LCOV - code coverage report
Current view: top level - gcc/fortran - trans-intrinsic.cc (source / functions) Coverage Total Hit
Test: gcc.info Lines: 94.7 % 7079 6702
Test Date: 2026-07-11 15:47:05 Functions: 98.2 % 170 167
Legend: Lines:     hit not hit

            Line data    Source code
       1              : /* Intrinsic translation
       2              :    Copyright (C) 2002-2026 Free Software Foundation, Inc.
       3              :    Contributed by Paul Brook <paul@nowt.org>
       4              :    and Steven Bosscher <s.bosscher@student.tudelft.nl>
       5              : 
       6              : This file is part of GCC.
       7              : 
       8              : GCC is free software; you can redistribute it and/or modify it under
       9              : the terms of the GNU General Public License as published by the Free
      10              : Software Foundation; either version 3, or (at your option) any later
      11              : version.
      12              : 
      13              : GCC is distributed in the hope that it will be useful, but WITHOUT ANY
      14              : WARRANTY; without even the implied warranty of MERCHANTABILITY or
      15              : FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
      16              : for more details.
      17              : 
      18              : You should have received a copy of the GNU General Public License
      19              : along with GCC; see the file COPYING3.  If not see
      20              : <http://www.gnu.org/licenses/>.  */
      21              : 
      22              : /* trans-intrinsic.cc-- generate GENERIC trees for calls to intrinsics.  */
      23              : 
      24              : #include "config.h"
      25              : #include "system.h"
      26              : #include "coretypes.h"
      27              : #include "memmodel.h"
      28              : #include "tm.h"               /* For UNITS_PER_WORD.  */
      29              : #include "tree.h"
      30              : #include "gfortran.h"
      31              : #include "trans.h"
      32              : #include "stringpool.h"
      33              : #include "fold-const.h"
      34              : #include "internal-fn.h"
      35              : #include "tree-nested.h"
      36              : #include "stor-layout.h"
      37              : #include "toplev.h"   /* For rest_of_decl_compilation.  */
      38              : #include "arith.h"
      39              : #include "trans-const.h"
      40              : #include "trans-types.h"
      41              : #include "trans-array.h"
      42              : #include "trans-descriptor.h"
      43              : #include "dependency.h"       /* For CAF array alias analysis.  */
      44              : #include "attribs.h"
      45              : #include "realmpfr.h"
      46              : #include "constructor.h"
      47              : 
      48              : /* This maps Fortran intrinsic math functions to external library or GCC
      49              :    builtin functions.  */
      50              : typedef struct GTY(()) gfc_intrinsic_map_t {
      51              :   /* The explicit enum is required to work around inadequacies in the
      52              :      garbage collection/gengtype parsing mechanism.  */
      53              :   enum gfc_isym_id id;
      54              : 
      55              :   /* Enum value from the "language-independent", aka C-centric, part
      56              :      of gcc, or END_BUILTINS of no such value set.  */
      57              :   enum built_in_function float_built_in;
      58              :   enum built_in_function double_built_in;
      59              :   enum built_in_function long_double_built_in;
      60              :   enum built_in_function complex_float_built_in;
      61              :   enum built_in_function complex_double_built_in;
      62              :   enum built_in_function complex_long_double_built_in;
      63              : 
      64              :   /* True if the naming pattern is to prepend "c" for complex and
      65              :      append "f" for kind=4.  False if the naming pattern is to
      66              :      prepend "_gfortran_" and append "[rc](4|8|10|16)".  */
      67              :   bool libm_name;
      68              : 
      69              :   /* True if a complex version of the function exists.  */
      70              :   bool complex_available;
      71              : 
      72              :   /* True if the function should be marked const.  */
      73              :   bool is_constant;
      74              : 
      75              :   /* The base library name of this function.  */
      76              :   const char *name;
      77              : 
      78              :   /* Cache decls created for the various operand types.  */
      79              :   tree real4_decl;
      80              :   tree real8_decl;
      81              :   tree real10_decl;
      82              :   tree real16_decl;
      83              :   tree complex4_decl;
      84              :   tree complex8_decl;
      85              :   tree complex10_decl;
      86              :   tree complex16_decl;
      87              : }
      88              : gfc_intrinsic_map_t;
      89              : 
      90              : /* ??? The NARGS==1 hack here is based on the fact that (c99 at least)
      91              :    defines complex variants of all of the entries in mathbuiltins.def
      92              :    except for atan2.  */
      93              : #define DEFINE_MATH_BUILTIN(ID, NAME, ARGTYPE) \
      94              :   { GFC_ISYM_ ## ID, BUILT_IN_ ## ID ## F, BUILT_IN_ ## ID, \
      95              :     BUILT_IN_ ## ID ## L, END_BUILTINS, END_BUILTINS, END_BUILTINS, \
      96              :     true, false, true, NAME, NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE, \
      97              :     NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE},
      98              : 
      99              : #define DEFINE_MATH_BUILTIN_C(ID, NAME, ARGTYPE) \
     100              :   { GFC_ISYM_ ## ID, BUILT_IN_ ## ID ## F, BUILT_IN_ ## ID, \
     101              :     BUILT_IN_ ## ID ## L, BUILT_IN_C ## ID ## F, BUILT_IN_C ## ID, \
     102              :     BUILT_IN_C ## ID ## L, true, true, true, NAME, NULL_TREE, NULL_TREE, \
     103              :     NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE},
     104              : 
     105              : #define LIB_FUNCTION(ID, NAME, HAVE_COMPLEX) \
     106              :   { GFC_ISYM_ ## ID, END_BUILTINS, END_BUILTINS, END_BUILTINS, \
     107              :     END_BUILTINS, END_BUILTINS, END_BUILTINS, \
     108              :     false, HAVE_COMPLEX, true, NAME, NULL_TREE, NULL_TREE, NULL_TREE, \
     109              :     NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE }
     110              : 
     111              : #define OTHER_BUILTIN(ID, NAME, TYPE, CONST) \
     112              :   { GFC_ISYM_NONE, BUILT_IN_ ## ID ## F, BUILT_IN_ ## ID, \
     113              :     BUILT_IN_ ## ID ## L, END_BUILTINS, END_BUILTINS, END_BUILTINS, \
     114              :     true, false, CONST, NAME, NULL_TREE, NULL_TREE, \
     115              :     NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE},
     116              : 
     117              : static GTY(()) gfc_intrinsic_map_t gfc_intrinsic_map[] =
     118              : {
     119              :   /* Functions built into gcc itself (DEFINE_MATH_BUILTIN and
     120              :      DEFINE_MATH_BUILTIN_C), then the built-ins that don't correspond
     121              :      to any GFC_ISYM id directly, which use the OTHER_BUILTIN macro.  */
     122              : #include "mathbuiltins.def"
     123              : 
     124              :   /* Functions in libgfortran.  */
     125              :   LIB_FUNCTION (ERFC_SCALED, "erfc_scaled", false),
     126              :   LIB_FUNCTION (SIND, "sind", false),
     127              :   LIB_FUNCTION (COSD, "cosd", false),
     128              :   LIB_FUNCTION (TAND, "tand", false),
     129              : 
     130              :   /* End the list.  */
     131              :   LIB_FUNCTION (NONE, NULL, false)
     132              : 
     133              : };
     134              : #undef OTHER_BUILTIN
     135              : #undef LIB_FUNCTION
     136              : #undef DEFINE_MATH_BUILTIN
     137              : #undef DEFINE_MATH_BUILTIN_C
     138              : 
     139              : 
     140              : enum rounding_mode { RND_ROUND, RND_TRUNC, RND_CEIL, RND_FLOOR };
     141              : 
     142              : 
     143              : /* Find the correct variant of a given builtin from its argument.  */
     144              : static tree
     145        11454 : builtin_decl_for_precision (enum built_in_function base_built_in,
     146              :                             int precision)
     147              : {
     148        11454 :   enum built_in_function i = END_BUILTINS;
     149              : 
     150        11454 :   gfc_intrinsic_map_t *m;
     151       490551 :   for (m = gfc_intrinsic_map; m->double_built_in != base_built_in ; m++)
     152              :     ;
     153              : 
     154        11454 :   if (precision == TYPE_PRECISION (float_type_node))
     155         5814 :     i = m->float_built_in;
     156         5640 :   else if (precision == TYPE_PRECISION (double_type_node))
     157              :     i = m->double_built_in;
     158         1695 :   else if (precision == TYPE_PRECISION (long_double_type_node)
     159         1695 :            && (!gfc_real16_is_float128
     160         1571 :                || long_double_type_node != gfc_float128_type_node))
     161         1571 :     i = m->long_double_built_in;
     162          124 :   else if (precision == TYPE_PRECISION (gfc_float128_type_node))
     163              :     {
     164              :       /* Special treatment, because it is not exactly a built-in, but
     165              :          a library function.  */
     166          124 :       return m->real16_decl;
     167              :     }
     168              : 
     169        11330 :   return (i == END_BUILTINS ? NULL_TREE : builtin_decl_explicit (i));
     170              : }
     171              : 
     172              : 
     173              : tree
     174        10415 : gfc_builtin_decl_for_float_kind (enum built_in_function double_built_in,
     175              :                                  int kind)
     176              : {
     177        10415 :   int i = gfc_validate_kind (BT_REAL, kind, false);
     178              : 
     179        10415 :   if (gfc_real_kinds[i].c_float128)
     180              :     {
     181              :       /* For _Float128, the story is a bit different, because we return
     182              :          a decl to a library function rather than a built-in.  */
     183              :       gfc_intrinsic_map_t *m;
     184        36328 :       for (m = gfc_intrinsic_map; m->double_built_in != double_built_in ; m++)
     185              :         ;
     186              : 
     187          905 :       return m->real16_decl;
     188              :     }
     189              : 
     190         9510 :   return builtin_decl_for_precision (double_built_in,
     191         9510 :                                      gfc_real_kinds[i].mode_precision);
     192              : }
     193              : 
     194              : 
     195              : /* Evaluate the arguments to an intrinsic function.  The value
     196              :    of NARGS may be less than the actual number of arguments in EXPR
     197              :    to allow optional "KIND" arguments that are not included in the
     198              :    generated code to be ignored.  */
     199              : 
     200              : static void
     201        81791 : gfc_conv_intrinsic_function_args (gfc_se *se, gfc_expr *expr,
     202              :                                   tree *argarray, int nargs)
     203              : {
     204        81791 :   gfc_actual_arglist *actual;
     205        81791 :   gfc_expr *e;
     206        81791 :   gfc_intrinsic_arg  *formal;
     207        81791 :   gfc_se argse;
     208        81791 :   int curr_arg;
     209              : 
     210        81791 :   formal = expr->value.function.isym->formal;
     211        81791 :   actual = expr->value.function.actual;
     212              : 
     213       184242 :    for (curr_arg = 0; curr_arg < nargs; curr_arg++,
     214        63432 :         actual = actual->next,
     215       102451 :         formal = formal ? formal->next : NULL)
     216              :     {
     217       102451 :       gcc_assert (actual);
     218       102451 :       e = actual->expr;
     219              :       /* Skip omitted optional arguments.  */
     220       102451 :       if (!e)
     221              :         {
     222           31 :           --curr_arg;
     223           31 :           continue;
     224              :         }
     225              : 
     226              :       /* Evaluate the parameter.  This will substitute scalarized
     227              :          references automatically.  */
     228       102420 :       gfc_init_se (&argse, se);
     229              : 
     230       102420 :       if (e->ts.type == BT_CHARACTER)
     231              :         {
     232         9628 :           gfc_conv_expr (&argse, e);
     233         9628 :           gfc_conv_string_parameter (&argse);
     234         9628 :           argarray[curr_arg++] = argse.string_length;
     235         9628 :           gcc_assert (curr_arg < nargs);
     236              :         }
     237              :       else
     238        92792 :         gfc_conv_expr_val (&argse, e);
     239              : 
     240              :       /* If an optional argument is itself an optional dummy argument,
     241              :          check its presence and substitute a null if absent.  */
     242       102420 :       if (e->expr_type == EXPR_VARIABLE
     243        52166 :             && e->symtree->n.sym->attr.optional
     244          203 :             && formal
     245          153 :             && formal->optional)
     246           80 :         gfc_conv_missing_dummy (&argse, e, formal->ts, 0);
     247              : 
     248       102420 :       gfc_add_block_to_block (&se->pre, &argse.pre);
     249       102420 :       gfc_add_block_to_block (&se->post, &argse.post);
     250       102420 :       argarray[curr_arg] = argse.expr;
     251              :     }
     252        81791 : }
     253              : 
     254              : /* Count the number of actual arguments to the intrinsic function EXPR
     255              :    including any "hidden" string length arguments.  */
     256              : 
     257              : static unsigned int
     258        56622 : gfc_intrinsic_argument_list_length (gfc_expr *expr)
     259              : {
     260        56622 :   int n = 0;
     261        56622 :   gfc_actual_arglist *actual;
     262              : 
     263       128473 :   for (actual = expr->value.function.actual; actual; actual = actual->next)
     264              :     {
     265        71851 :       if (!actual->expr)
     266         6358 :         continue;
     267              : 
     268        65493 :       if (actual->expr->ts.type == BT_CHARACTER)
     269         4549 :         n += 2;
     270              :       else
     271        60944 :         n++;
     272              :     }
     273              : 
     274        56622 :   return n;
     275              : }
     276              : 
     277              : 
     278              : /* Conversions between different types are output by the frontend as
     279              :    intrinsic functions.  We implement these directly with inline code.  */
     280              : 
     281              : static void
     282        40447 : gfc_conv_intrinsic_conversion (gfc_se * se, gfc_expr * expr)
     283              : {
     284        40447 :   tree type;
     285        40447 :   tree *args;
     286        40447 :   int nargs;
     287              : 
     288        40447 :   nargs = gfc_intrinsic_argument_list_length (expr);
     289        40447 :   args = XALLOCAVEC (tree, nargs);
     290              : 
     291              :   /* Evaluate all the arguments passed. Whilst we're only interested in the
     292              :      first one here, there are other parts of the front-end that assume this
     293              :      and will trigger an ICE if it's not the case.  */
     294        40447 :   type = gfc_typenode_for_spec (&expr->ts);
     295        40447 :   gcc_assert (expr->value.function.actual->expr);
     296        40447 :   gfc_conv_intrinsic_function_args (se, expr, args, nargs);
     297              : 
     298              :   /* Conversion between character kinds involves a call to a library
     299              :      function.  */
     300        40447 :   if (expr->ts.type == BT_CHARACTER)
     301              :     {
     302          248 :       tree fndecl, var, addr, tmp;
     303              : 
     304          248 :       if (expr->ts.kind == 1
     305           97 :           && expr->value.function.actual->expr->ts.kind == 4)
     306           97 :         fndecl = gfor_fndecl_convert_char4_to_char1;
     307          151 :       else if (expr->ts.kind == 4
     308          151 :                && expr->value.function.actual->expr->ts.kind == 1)
     309          151 :         fndecl = gfor_fndecl_convert_char1_to_char4;
     310              :       else
     311            0 :         gcc_unreachable ();
     312              : 
     313              :       /* Create the variable storing the converted value.  */
     314          248 :       type = gfc_get_pchar_type (expr->ts.kind);
     315          248 :       var = gfc_create_var (type, "str");
     316          248 :       addr = gfc_build_addr_expr (build_pointer_type (type), var);
     317              : 
     318              :       /* Call the library function that will perform the conversion.  */
     319          248 :       gcc_assert (nargs >= 2);
     320          248 :       tmp = build_call_expr_loc (input_location,
     321              :                              fndecl, 3, addr, args[0], args[1]);
     322          248 :       gfc_add_expr_to_block (&se->pre, tmp);
     323              : 
     324              :       /* Free the temporary afterwards.  */
     325          248 :       tmp = gfc_call_free (var);
     326          248 :       gfc_add_expr_to_block (&se->post, tmp);
     327              : 
     328          248 :       se->expr = var;
     329          248 :       se->string_length = args[0];
     330              : 
     331          248 :       return;
     332              :     }
     333              : 
     334              :   /* Conversion from complex to non-complex involves taking the real
     335              :      component of the value.  */
     336        40199 :   if (TREE_CODE (TREE_TYPE (args[0])) == COMPLEX_TYPE
     337        40199 :       && expr->ts.type != BT_COMPLEX)
     338              :     {
     339          583 :       tree artype;
     340              : 
     341          583 :       artype = TREE_TYPE (TREE_TYPE (args[0]));
     342          583 :       args[0] = fold_build1_loc (input_location, REALPART_EXPR, artype,
     343              :                                  args[0]);
     344              :     }
     345              : 
     346        40199 :   se->expr = convert (type, args[0]);
     347              : }
     348              : 
     349              : /* This is needed because the gcc backend only implements
     350              :    FIX_TRUNC_EXPR, which is the same as INT() in Fortran.
     351              :    FLOOR(x) = INT(x) <= x ? INT(x) : INT(x) - 1
     352              :    Similarly for CEILING.  */
     353              : 
     354              : static tree
     355          132 : build_fixbound_expr (stmtblock_t * pblock, tree arg, tree type, int up)
     356              : {
     357          132 :   tree tmp;
     358          132 :   tree cond;
     359          132 :   tree argtype;
     360          132 :   tree intval;
     361              : 
     362          132 :   argtype = TREE_TYPE (arg);
     363          132 :   arg = gfc_evaluate_now (arg, pblock);
     364              : 
     365          132 :   intval = convert (type, arg);
     366          132 :   intval = gfc_evaluate_now (intval, pblock);
     367              : 
     368          132 :   tmp = convert (argtype, intval);
     369          248 :   cond = fold_build2_loc (input_location, up ? GE_EXPR : LE_EXPR,
     370              :                           logical_type_node, tmp, arg);
     371              : 
     372          248 :   tmp = fold_build2_loc (input_location, up ? PLUS_EXPR : MINUS_EXPR, type,
     373              :                          intval, build_int_cst (type, 1));
     374          132 :   tmp = fold_build3_loc (input_location, COND_EXPR, type, cond, intval, tmp);
     375          132 :   return tmp;
     376              : }
     377              : 
     378              : 
     379              : /* Round to nearest integer, away from zero.  */
     380              : 
     381              : static tree
     382          516 : build_round_expr (tree arg, tree restype)
     383              : {
     384          516 :   tree argtype;
     385          516 :   tree fn;
     386          516 :   int argprec, resprec;
     387              : 
     388          516 :   argtype = TREE_TYPE (arg);
     389          516 :   argprec = TYPE_PRECISION (argtype);
     390          516 :   resprec = TYPE_PRECISION (restype);
     391              : 
     392              :   /* Depending on the type of the result, choose the int intrinsic (iround,
     393              :      available only as a builtin, therefore cannot use it for _Float128), long
     394              :      int intrinsic (lround family) or long long intrinsic (llround).  If we
     395              :      don't have an appropriate function that converts directly to the integer
     396              :      type (such as kind == 16), just use ROUND, and then convert the result to
     397              :      an integer.  We might also need to convert the result afterwards.  */
     398          516 :   if (resprec <= INT_TYPE_SIZE
     399          516 :       && argprec <= TYPE_PRECISION (long_double_type_node))
     400          458 :     fn = builtin_decl_for_precision (BUILT_IN_IROUND, argprec);
     401           62 :   else if (resprec <= LONG_TYPE_SIZE)
     402           46 :     fn = builtin_decl_for_precision (BUILT_IN_LROUND, argprec);
     403           12 :   else if (resprec <= LONG_LONG_TYPE_SIZE)
     404            0 :     fn = builtin_decl_for_precision (BUILT_IN_LLROUND, argprec);
     405           12 :   else if (resprec >= argprec)
     406           12 :     fn = builtin_decl_for_precision (BUILT_IN_ROUND, argprec);
     407              :   else
     408            0 :     gcc_unreachable ();
     409              : 
     410          516 :   return convert (restype, build_call_expr_loc (input_location,
     411          516 :                                                 fn, 1, arg));
     412              : }
     413              : 
     414              : 
     415              : /* Convert a real to an integer using a specific rounding mode.
     416              :    Ideally we would just build the corresponding GENERIC node,
     417              :    however the RTL expander only actually supports FIX_TRUNC_EXPR.  */
     418              : 
     419              : static tree
     420         1603 : build_fix_expr (stmtblock_t * pblock, tree arg, tree type,
     421              :                enum rounding_mode op)
     422              : {
     423         1603 :   switch (op)
     424              :     {
     425          116 :     case RND_FLOOR:
     426          116 :       return build_fixbound_expr (pblock, arg, type, 0);
     427              : 
     428           16 :     case RND_CEIL:
     429           16 :       return build_fixbound_expr (pblock, arg, type, 1);
     430              : 
     431          162 :     case RND_ROUND:
     432          162 :       return build_round_expr (arg, type);
     433              : 
     434         1309 :     case RND_TRUNC:
     435         1309 :       return fold_build1_loc (input_location, FIX_TRUNC_EXPR, type, arg);
     436              : 
     437            0 :     default:
     438            0 :       gcc_unreachable ();
     439              :     }
     440              : }
     441              : 
     442              : 
     443              : /* Round a real value using the specified rounding mode.
     444              :    We use a temporary integer of that same kind size as the result.
     445              :    Values larger than those that can be represented by this kind are
     446              :    unchanged, as they will not be accurate enough to represent the
     447              :    rounding.
     448              :     huge = HUGE (KIND (a))
     449              :     aint (a) = ((a > huge) || (a < -huge)) ? a : (real)(int)a
     450              :    */
     451              : 
     452              : static void
     453          220 : gfc_conv_intrinsic_aint (gfc_se * se, gfc_expr * expr, enum rounding_mode op)
     454              : {
     455          220 :   tree type;
     456          220 :   tree itype;
     457          220 :   tree arg[2];
     458          220 :   tree tmp;
     459          220 :   tree cond;
     460          220 :   tree decl;
     461          220 :   mpfr_t huge;
     462          220 :   int n, nargs;
     463          220 :   int kind;
     464              : 
     465          220 :   kind = expr->ts.kind;
     466          220 :   nargs = gfc_intrinsic_argument_list_length (expr);
     467              : 
     468          220 :   decl = NULL_TREE;
     469              :   /* We have builtin functions for some cases.  */
     470          220 :   switch (op)
     471              :     {
     472           74 :     case RND_ROUND:
     473           74 :       decl = gfc_builtin_decl_for_float_kind (BUILT_IN_ROUND, kind);
     474           74 :       break;
     475              : 
     476          146 :     case RND_TRUNC:
     477          146 :       decl = gfc_builtin_decl_for_float_kind (BUILT_IN_TRUNC, kind);
     478          146 :       break;
     479              : 
     480            0 :     default:
     481            0 :       gcc_unreachable ();
     482              :     }
     483              : 
     484              :   /* Evaluate the argument.  */
     485          220 :   gcc_assert (expr->value.function.actual->expr);
     486          220 :   gfc_conv_intrinsic_function_args (se, expr, arg, nargs);
     487              : 
     488              :   /* Use a builtin function if one exists.  */
     489          220 :   if (decl != NULL_TREE)
     490              :     {
     491          220 :       se->expr = build_call_expr_loc (input_location, decl, 1, arg[0]);
     492          220 :       return;
     493              :     }
     494              : 
     495              :   /* This code is probably redundant, but we'll keep it lying around just
     496              :      in case.  */
     497            0 :   type = gfc_typenode_for_spec (&expr->ts);
     498            0 :   arg[0] = gfc_evaluate_now (arg[0], &se->pre);
     499              : 
     500              :   /* Test if the value is too large to handle sensibly.  */
     501            0 :   gfc_set_model_kind (kind);
     502            0 :   mpfr_init (huge);
     503            0 :   n = gfc_validate_kind (BT_INTEGER, kind, false);
     504            0 :   mpfr_set_z (huge, gfc_integer_kinds[n].huge, GFC_RND_MODE);
     505            0 :   tmp = gfc_conv_mpfr_to_tree (huge, kind, 0);
     506            0 :   cond = fold_build2_loc (input_location, LT_EXPR, logical_type_node, arg[0],
     507              :                           tmp);
     508              : 
     509            0 :   mpfr_neg (huge, huge, GFC_RND_MODE);
     510            0 :   tmp = gfc_conv_mpfr_to_tree (huge, kind, 0);
     511            0 :   tmp = fold_build2_loc (input_location, GT_EXPR, logical_type_node, arg[0],
     512              :                          tmp);
     513            0 :   cond = fold_build2_loc (input_location, TRUTH_AND_EXPR, logical_type_node,
     514              :                           cond, tmp);
     515            0 :   itype = gfc_get_int_type (kind);
     516              : 
     517            0 :   tmp = build_fix_expr (&se->pre, arg[0], itype, op);
     518            0 :   tmp = convert (type, tmp);
     519            0 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, cond, tmp,
     520              :                               arg[0]);
     521            0 :   mpfr_clear (huge);
     522              : }
     523              : 
     524              : 
     525              : /* Convert to an integer using the specified rounding mode.  */
     526              : 
     527              : static void
     528         3130 : gfc_conv_intrinsic_int (gfc_se * se, gfc_expr * expr, enum rounding_mode op)
     529              : {
     530         3130 :   tree type;
     531         3130 :   tree *args;
     532         3130 :   int nargs;
     533              : 
     534         3130 :   nargs = gfc_intrinsic_argument_list_length (expr);
     535         3130 :   args = XALLOCAVEC (tree, nargs);
     536              : 
     537              :   /* Evaluate the argument, we process all arguments even though we only
     538              :      use the first one for code generation purposes.  */
     539         3130 :   type = gfc_typenode_for_spec (&expr->ts);
     540         3130 :   gcc_assert (expr->value.function.actual->expr);
     541         3130 :   gfc_conv_intrinsic_function_args (se, expr, args, nargs);
     542              : 
     543         3130 :   if (TREE_CODE (TREE_TYPE (args[0])) == INTEGER_TYPE)
     544              :     {
     545              :       /* Conversion to a different integer kind.  */
     546         1527 :       se->expr = convert (type, args[0]);
     547              :     }
     548              :   else
     549              :     {
     550              :       /* Conversion from complex to non-complex involves taking the real
     551              :          component of the value.  */
     552         1603 :       if (TREE_CODE (TREE_TYPE (args[0])) == COMPLEX_TYPE
     553         1603 :           && expr->ts.type != BT_COMPLEX)
     554              :         {
     555          192 :           tree artype;
     556              : 
     557          192 :           artype = TREE_TYPE (TREE_TYPE (args[0]));
     558          192 :           args[0] = fold_build1_loc (input_location, REALPART_EXPR, artype,
     559              :                                      args[0]);
     560              :         }
     561              : 
     562         1603 :       se->expr = build_fix_expr (&se->pre, args[0], type, op);
     563              :     }
     564         3130 : }
     565              : 
     566              : 
     567              : /* Get the imaginary component of a value.  */
     568              : 
     569              : static void
     570          440 : gfc_conv_intrinsic_imagpart (gfc_se * se, gfc_expr * expr)
     571              : {
     572          440 :   tree arg;
     573              : 
     574          440 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
     575          440 :   se->expr = fold_build1_loc (input_location, IMAGPART_EXPR,
     576          440 :                               TREE_TYPE (TREE_TYPE (arg)), arg);
     577          440 : }
     578              : 
     579              : 
     580              : /* Get the complex conjugate of a value.  */
     581              : 
     582              : static void
     583          257 : gfc_conv_intrinsic_conjg (gfc_se * se, gfc_expr * expr)
     584              : {
     585          257 :   tree arg;
     586              : 
     587          257 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
     588          257 :   se->expr = fold_build1_loc (input_location, CONJ_EXPR, TREE_TYPE (arg), arg);
     589          257 : }
     590              : 
     591              : 
     592              : 
     593              : static tree
     594       669123 : define_quad_builtin (const char *name, tree type, bool is_const)
     595              : {
     596       669123 :   tree fndecl;
     597       669123 :   fndecl = build_decl (input_location, FUNCTION_DECL, get_identifier (name),
     598              :                        type);
     599              : 
     600              :   /* Mark the decl as external.  */
     601       669123 :   DECL_EXTERNAL (fndecl) = 1;
     602       669123 :   TREE_PUBLIC (fndecl) = 1;
     603              : 
     604              :   /* Mark it __attribute__((const)).  */
     605       669123 :   TREE_READONLY (fndecl) = is_const;
     606              : 
     607       669123 :   rest_of_decl_compilation (fndecl, 1, 0);
     608              : 
     609       669123 :   return fndecl;
     610              : }
     611              : 
     612              : /* Add SIMD attribute for FNDECL built-in if the built-in
     613              :    name is in VECTORIZED_BUILTINS.  */
     614              : 
     615              : static void
     616     45812320 : add_simd_flag_for_built_in (tree fndecl)
     617              : {
     618     45812320 :   if (gfc_vectorized_builtins == NULL
     619     18377910 :       || fndecl == NULL_TREE)
     620     37869325 :     return;
     621              : 
     622      7942995 :   const char *name = IDENTIFIER_POINTER (DECL_NAME (fndecl));
     623      7942995 :   int *clauses = gfc_vectorized_builtins->get (name);
     624      7942995 :   if (clauses)
     625              :     {
     626      4983228 :       for (unsigned i = 0; i < 3; i++)
     627      3737421 :         if (*clauses & (1 << i))
     628              :           {
     629      1245812 :             gfc_simd_clause simd_type = (gfc_simd_clause)*clauses;
     630      1245812 :             tree omp_clause = NULL_TREE;
     631      1245812 :             if (simd_type == SIMD_NONE)
     632              :               ; /* No SIMD clause.  */
     633              :             else
     634              :               {
     635      1245812 :                 omp_clause_code code
     636              :                   = (simd_type == SIMD_INBRANCH
     637      1245812 :                      ? OMP_CLAUSE_INBRANCH : OMP_CLAUSE_NOTINBRANCH);
     638      1245812 :                 omp_clause = build_omp_clause (UNKNOWN_LOCATION, code);
     639      1245812 :                 omp_clause = build_tree_list (NULL_TREE, omp_clause);
     640              :               }
     641              : 
     642      1245812 :             DECL_ATTRIBUTES (fndecl)
     643      2491624 :               = tree_cons (get_identifier ("omp declare simd"), omp_clause,
     644      1245812 :                            DECL_ATTRIBUTES (fndecl));
     645              :           }
     646              :     }
     647              : }
     648              : 
     649              :   /* Set SIMD attribute to all built-in functions that are mentioned
     650              :      in gfc_vectorized_builtins vector.  */
     651              : 
     652              : void
     653        77648 : gfc_adjust_builtins (void)
     654              : {
     655        77648 :   gfc_intrinsic_map_t *m;
     656      4658880 :   for (m = gfc_intrinsic_map;
     657      4658880 :        m->id != GFC_ISYM_NONE || m->double_built_in != END_BUILTINS; m++)
     658              :     {
     659      4581232 :       add_simd_flag_for_built_in (m->real4_decl);
     660      4581232 :       add_simd_flag_for_built_in (m->complex4_decl);
     661      4581232 :       add_simd_flag_for_built_in (m->real8_decl);
     662      4581232 :       add_simd_flag_for_built_in (m->complex8_decl);
     663      4581232 :       add_simd_flag_for_built_in (m->real10_decl);
     664      4581232 :       add_simd_flag_for_built_in (m->complex10_decl);
     665      4581232 :       add_simd_flag_for_built_in (m->real16_decl);
     666      4581232 :       add_simd_flag_for_built_in (m->complex16_decl);
     667      4581232 :       add_simd_flag_for_built_in (m->real16_decl);
     668      4581232 :       add_simd_flag_for_built_in (m->complex16_decl);
     669              :     }
     670              : 
     671              :   /* Release all strings.  */
     672        77648 :   if (gfc_vectorized_builtins != NULL)
     673              :     {
     674      1712986 :       for (hash_map<nofree_string_hash, int>::iterator it
     675        31149 :            = gfc_vectorized_builtins->begin ();
     676      1712986 :            it != gfc_vectorized_builtins->end (); ++it)
     677      1681837 :         free (const_cast<char *> ((*it).first));
     678              : 
     679        62298 :       delete gfc_vectorized_builtins;
     680        31149 :       gfc_vectorized_builtins = NULL;
     681              :     }
     682        77648 : }
     683              : 
     684              : /* Initialize function decls for library functions.  The external functions
     685              :    are created as required.  Builtin functions are added here.  */
     686              : 
     687              : void
     688        31863 : gfc_build_intrinsic_lib_fndecls (void)
     689              : {
     690        31863 :   gfc_intrinsic_map_t *m;
     691        31863 :   tree quad_decls[END_BUILTINS + 1];
     692              : 
     693        31863 :   if (gfc_real16_is_float128)
     694              :   {
     695              :     /* If we have soft-float types, we create the decls for their
     696              :        C99-like library functions.  For now, we only handle _Float128
     697              :        q-suffixed or IEC 60559 f128-suffixed functions.  */
     698              : 
     699        31863 :     tree type, complex_type, func_1, func_2, func_3, func_cabs, func_frexp;
     700        31863 :     tree func_iround, func_lround, func_llround, func_scalbn, func_cpow;
     701              : 
     702        31863 :     memset (quad_decls, 0, sizeof(tree) * (END_BUILTINS + 1));
     703              : 
     704        31863 :     type = gfc_float128_type_node;
     705        31863 :     complex_type = gfc_complex_float128_type_node;
     706              :     /* type (*) (type) */
     707        31863 :     func_1 = build_function_type_list (type, type, NULL_TREE);
     708              :     /* int (*) (type) */
     709        31863 :     func_iround = build_function_type_list (integer_type_node,
     710              :                                             type, NULL_TREE);
     711              :     /* long (*) (type) */
     712        31863 :     func_lround = build_function_type_list (long_integer_type_node,
     713              :                                             type, NULL_TREE);
     714              :     /* long long (*) (type) */
     715        31863 :     func_llround = build_function_type_list (long_long_integer_type_node,
     716              :                                              type, NULL_TREE);
     717              :     /* type (*) (type, type) */
     718        31863 :     func_2 = build_function_type_list (type, type, type, NULL_TREE);
     719              :     /* type (*) (type, type, type) */
     720        31863 :     func_3 = build_function_type_list (type, type, type, type, NULL_TREE);
     721              :     /* type (*) (type, &int) */
     722        31863 :     func_frexp
     723        31863 :       = build_function_type_list (type,
     724              :                                   type,
     725              :                                   build_pointer_type (integer_type_node),
     726              :                                   NULL_TREE);
     727              :     /* type (*) (type, int) */
     728        31863 :     func_scalbn = build_function_type_list (type,
     729              :                                             type, integer_type_node, NULL_TREE);
     730              :     /* type (*) (complex type) */
     731        31863 :     func_cabs = build_function_type_list (type, complex_type, NULL_TREE);
     732              :     /* complex type (*) (complex type, complex type) */
     733        31863 :     func_cpow
     734        31863 :       = build_function_type_list (complex_type,
     735              :                                   complex_type, complex_type, NULL_TREE);
     736              : 
     737              : #define DEFINE_MATH_BUILTIN(ID, NAME, ARGTYPE)
     738              : #define DEFINE_MATH_BUILTIN_C(ID, NAME, ARGTYPE)
     739              : #define LIB_FUNCTION(ID, NAME, HAVE_COMPLEX)
     740              : 
     741              :     /* Only these built-ins are actually needed here. These are used directly
     742              :        from the code, when calling builtin_decl_for_precision() or
     743              :        builtin_decl_for_float_type(). The others are all constructed by
     744              :        gfc_get_intrinsic_lib_fndecl().  */
     745              : #define OTHER_BUILTIN(ID, NAME, TYPE, CONST) \
     746              :     quad_decls[BUILT_IN_ ## ID]                                         \
     747              :       = define_quad_builtin (gfc_real16_use_iec_60559                   \
     748              :                              ? NAME "f128" : NAME "q", func_ ## TYPE,       \
     749              :                              CONST);
     750              : 
     751              : #include "mathbuiltins.def"
     752              : 
     753              : #undef OTHER_BUILTIN
     754              : #undef LIB_FUNCTION
     755              : #undef DEFINE_MATH_BUILTIN
     756              : #undef DEFINE_MATH_BUILTIN_C
     757              : 
     758              :     /* There is one built-in we defined manually, because it gets called
     759              :        with builtin_decl_for_precision() or builtin_decl_for_float_type()
     760              :        even though it is not an OTHER_BUILTIN: it is SQRT.  */
     761        31863 :     quad_decls[BUILT_IN_SQRT]
     762        31863 :       = define_quad_builtin (gfc_real16_use_iec_60559
     763              :                              ? "sqrtf128" : "sqrtq", func_1, true);
     764              :   }
     765              : 
     766              :   /* Add GCC builtin functions.  */
     767      1879917 :   for (m = gfc_intrinsic_map;
     768      1911780 :        m->id != GFC_ISYM_NONE || m->double_built_in != END_BUILTINS; m++)
     769              :     {
     770      1879917 :       if (m->float_built_in != END_BUILTINS)
     771      1752465 :         m->real4_decl = builtin_decl_explicit (m->float_built_in);
     772      1879917 :       if (m->complex_float_built_in != END_BUILTINS)
     773       509808 :         m->complex4_decl = builtin_decl_explicit (m->complex_float_built_in);
     774      1879917 :       if (m->double_built_in != END_BUILTINS)
     775      1752465 :         m->real8_decl = builtin_decl_explicit (m->double_built_in);
     776      1879917 :       if (m->complex_double_built_in != END_BUILTINS)
     777       509808 :         m->complex8_decl = builtin_decl_explicit (m->complex_double_built_in);
     778              : 
     779              :       /* If real(kind=10) exists, it is always long double.  */
     780      1879917 :       if (m->long_double_built_in != END_BUILTINS)
     781      1752465 :         m->real10_decl = builtin_decl_explicit (m->long_double_built_in);
     782      1879917 :       if (m->complex_long_double_built_in != END_BUILTINS)
     783       509808 :         m->complex10_decl
     784       509808 :           = builtin_decl_explicit (m->complex_long_double_built_in);
     785              : 
     786      1879917 :       if (!gfc_real16_is_float128)
     787              :         {
     788            0 :           if (m->long_double_built_in != END_BUILTINS)
     789            0 :             m->real16_decl = builtin_decl_explicit (m->long_double_built_in);
     790            0 :           if (m->complex_long_double_built_in != END_BUILTINS)
     791            0 :             m->complex16_decl
     792            0 :               = builtin_decl_explicit (m->complex_long_double_built_in);
     793              :         }
     794      1879917 :       else if (quad_decls[m->double_built_in] != NULL_TREE)
     795              :         {
     796              :           /* Quad-precision function calls are constructed when first
     797              :              needed by builtin_decl_for_precision(), except for those
     798              :              that will be used directly (define by OTHER_BUILTIN).  */
     799       669123 :           m->real16_decl = quad_decls[m->double_built_in];
     800              :         }
     801      1210794 :       else if (quad_decls[m->complex_double_built_in] != NULL_TREE)
     802              :         {
     803              :           /* Same thing for the complex ones.  */
     804            0 :           m->complex16_decl = quad_decls[m->double_built_in];
     805              :         }
     806              :     }
     807        31863 : }
     808              : 
     809              : 
     810              : /* Create a fndecl for a simple intrinsic library function.  */
     811              : 
     812              : static tree
     813         4545 : gfc_get_intrinsic_lib_fndecl (gfc_intrinsic_map_t * m, gfc_expr * expr)
     814              : {
     815         4545 :   tree type;
     816         4545 :   vec<tree, va_gc> *argtypes;
     817         4545 :   tree fndecl;
     818         4545 :   gfc_actual_arglist *actual;
     819         4545 :   tree *pdecl;
     820         4545 :   gfc_typespec *ts;
     821         4545 :   char name[GFC_MAX_SYMBOL_LEN + 3];
     822              : 
     823         4545 :   ts = &expr->ts;
     824         4545 :   if (ts->type == BT_REAL)
     825              :     {
     826         3683 :       switch (ts->kind)
     827              :         {
     828         1308 :         case 4:
     829         1308 :           pdecl = &m->real4_decl;
     830         1308 :           break;
     831         1307 :         case 8:
     832         1307 :           pdecl = &m->real8_decl;
     833         1307 :           break;
     834          599 :         case 10:
     835          599 :           pdecl = &m->real10_decl;
     836          599 :           break;
     837          469 :         case 16:
     838          469 :           pdecl = &m->real16_decl;
     839          469 :           break;
     840            0 :         default:
     841            0 :           gcc_unreachable ();
     842              :         }
     843              :     }
     844          862 :   else if (ts->type == BT_COMPLEX)
     845              :     {
     846          862 :       gcc_assert (m->complex_available);
     847              : 
     848          862 :       switch (ts->kind)
     849              :         {
     850          386 :         case 4:
     851          386 :           pdecl = &m->complex4_decl;
     852          386 :           break;
     853          405 :         case 8:
     854          405 :           pdecl = &m->complex8_decl;
     855          405 :           break;
     856           51 :         case 10:
     857           51 :           pdecl = &m->complex10_decl;
     858           51 :           break;
     859           20 :         case 16:
     860           20 :           pdecl = &m->complex16_decl;
     861           20 :           break;
     862            0 :         default:
     863            0 :           gcc_unreachable ();
     864              :         }
     865              :     }
     866              :   else
     867            0 :     gcc_unreachable ();
     868              : 
     869         4545 :   if (*pdecl)
     870         4137 :     return *pdecl;
     871              : 
     872          408 :   if (m->libm_name)
     873              :     {
     874          177 :       int n = gfc_validate_kind (BT_REAL, ts->kind, false);
     875          177 :       if (gfc_real_kinds[n].c_float)
     876            0 :         snprintf (name, sizeof (name), "%s%s%s",
     877            0 :                   ts->type == BT_COMPLEX ? "c" : "", m->name, "f");
     878          177 :       else if (gfc_real_kinds[n].c_double)
     879            0 :         snprintf (name, sizeof (name), "%s%s",
     880            0 :                   ts->type == BT_COMPLEX ? "c" : "", m->name);
     881          177 :       else if (gfc_real_kinds[n].c_long_double)
     882            0 :         snprintf (name, sizeof (name), "%s%s%s",
     883            0 :                   ts->type == BT_COMPLEX ? "c" : "", m->name, "l");
     884          177 :       else if (gfc_real_kinds[n].c_float128)
     885          177 :         snprintf (name, sizeof (name), "%s%s%s",
     886          177 :                   ts->type == BT_COMPLEX ? "c" : "", m->name,
     887          177 :                   gfc_real_kinds[n].use_iec_60559 ? "f128" : "q");
     888              :       else
     889            0 :         gcc_unreachable ();
     890              :     }
     891              :   else
     892              :     {
     893          462 :       snprintf (name, sizeof (name), PREFIX ("%s_%c%d"), m->name,
     894          231 :                 ts->type == BT_COMPLEX ? 'c' : 'r',
     895              :                 gfc_type_abi_kind (ts));
     896              :     }
     897              : 
     898          408 :   argtypes = NULL;
     899          836 :   for (actual = expr->value.function.actual; actual; actual = actual->next)
     900              :     {
     901          428 :       type = gfc_typenode_for_spec (&actual->expr->ts);
     902          428 :       vec_safe_push (argtypes, type);
     903              :     }
     904         1224 :   type = build_function_type_vec (gfc_typenode_for_spec (ts), argtypes);
     905          408 :   fndecl = build_decl (input_location,
     906              :                        FUNCTION_DECL, get_identifier (name), type);
     907              : 
     908              :   /* Mark the decl as external.  */
     909          408 :   DECL_EXTERNAL (fndecl) = 1;
     910          408 :   TREE_PUBLIC (fndecl) = 1;
     911              : 
     912              :   /* Mark it __attribute__((const)), if possible.  */
     913          408 :   TREE_READONLY (fndecl) = m->is_constant;
     914              : 
     915          408 :   rest_of_decl_compilation (fndecl, 1, 0);
     916              : 
     917          408 :   (*pdecl) = fndecl;
     918          408 :   return fndecl;
     919              : }
     920              : 
     921              : 
     922              : /* Convert an intrinsic function into an external or builtin call.  */
     923              : 
     924              : static void
     925         3927 : gfc_conv_intrinsic_lib_function (gfc_se * se, gfc_expr * expr)
     926              : {
     927         3927 :   gfc_intrinsic_map_t *m;
     928         3927 :   tree fndecl;
     929         3927 :   tree rettype;
     930         3927 :   tree *args;
     931         3927 :   unsigned int num_args;
     932         3927 :   gfc_isym_id id;
     933              : 
     934         3927 :   id = expr->value.function.isym->id;
     935              :   /* Find the entry for this function.  */
     936        82775 :   for (m = gfc_intrinsic_map;
     937        82775 :        m->id != GFC_ISYM_NONE || m->double_built_in != END_BUILTINS; m++)
     938              :     {
     939        82775 :       if (id == m->id)
     940              :         break;
     941              :     }
     942              : 
     943         3927 :   if (m->id == GFC_ISYM_NONE)
     944              :     {
     945            0 :       gfc_internal_error ("Intrinsic function %qs (%d) not recognized",
     946              :                           expr->value.function.name, id);
     947              :     }
     948              : 
     949              :   /* Get the decl and generate the call.  */
     950         3927 :   num_args = gfc_intrinsic_argument_list_length (expr);
     951         3927 :   args = XALLOCAVEC (tree, num_args);
     952              : 
     953         3927 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
     954         3927 :   fndecl = gfc_get_intrinsic_lib_fndecl (m, expr);
     955         3927 :   rettype = TREE_TYPE (TREE_TYPE (fndecl));
     956              : 
     957         3927 :   fndecl = build_addr (fndecl);
     958         3927 :   se->expr = build_call_array_loc (input_location, rettype, fndecl, num_args, args);
     959         3927 : }
     960              : 
     961              : 
     962              : /* If bounds-checking is enabled, create code to verify at runtime that the
     963              :    string lengths for both expressions are the same (needed for e.g. MERGE).
     964              :    If bounds-checking is not enabled, does nothing.  */
     965              : 
     966              : void
     967         1550 : gfc_trans_same_strlen_check (const char* intr_name, locus* where,
     968              :                              tree a, tree b, stmtblock_t* target)
     969              : {
     970         1550 :   tree cond;
     971         1550 :   tree name;
     972              : 
     973              :   /* If bounds-checking is disabled, do nothing.  */
     974         1550 :   if (!(gfc_option.rtcheck & GFC_RTCHECK_BOUNDS))
     975              :     return;
     976              : 
     977              :   /* Compare the two string lengths.  */
     978           94 :   cond = fold_build2_loc (input_location, NE_EXPR, logical_type_node, a, b);
     979              : 
     980              :   /* Output the runtime-check.  */
     981           94 :   name = gfc_build_cstring_const (intr_name);
     982           94 :   name = gfc_build_addr_expr (pchar_type_node, name);
     983           94 :   gfc_trans_runtime_check (true, false, cond, target, where,
     984              :                            "Unequal character lengths (%ld/%ld) in %s",
     985              :                            fold_convert (long_integer_type_node, a),
     986              :                            fold_convert (long_integer_type_node, b), name);
     987              : }
     988              : 
     989              : 
     990              : /* The EXPONENT(X) intrinsic function is translated into
     991              :        int ret;
     992              :        return isfinite(X) ? (frexp (X, &ret) , ret) : huge
     993              :    so that if X is a NaN or infinity, the result is HUGE(0).
     994              :  */
     995              : 
     996              : static void
     997          228 : gfc_conv_intrinsic_exponent (gfc_se *se, gfc_expr *expr)
     998              : {
     999          228 :   tree arg, type, res, tmp, frexp, cond, huge;
    1000          228 :   int i;
    1001              : 
    1002          456 :   frexp = gfc_builtin_decl_for_float_kind (BUILT_IN_FREXP,
    1003          228 :                                        expr->value.function.actual->expr->ts.kind);
    1004              : 
    1005          228 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    1006          228 :   arg = gfc_evaluate_now (arg, &se->pre);
    1007              : 
    1008          228 :   i = gfc_validate_kind (BT_INTEGER, gfc_c_int_kind, false);
    1009          228 :   huge = gfc_conv_mpz_to_tree (gfc_integer_kinds[i].huge, gfc_c_int_kind);
    1010          228 :   cond = build_call_expr_loc (input_location,
    1011              :                               builtin_decl_explicit (BUILT_IN_ISFINITE),
    1012              :                               1, arg);
    1013              : 
    1014          228 :   res = gfc_create_var (integer_type_node, NULL);
    1015          228 :   tmp = build_call_expr_loc (input_location, frexp, 2, arg,
    1016              :                              gfc_build_addr_expr (NULL_TREE, res));
    1017          228 :   tmp = fold_build2_loc (input_location, COMPOUND_EXPR, integer_type_node,
    1018              :                          tmp, res);
    1019          228 :   se->expr = fold_build3_loc (input_location, COND_EXPR, integer_type_node,
    1020              :                               cond, tmp, huge);
    1021              : 
    1022          228 :   type = gfc_typenode_for_spec (&expr->ts);
    1023          228 :   se->expr = fold_convert (type, se->expr);
    1024          228 : }
    1025              : 
    1026              : 
    1027              : static int caf_call_cnt = 0;
    1028              : 
    1029              : static tree
    1030         1434 : conv_caf_func_index (stmtblock_t *block, gfc_namespace *ns, const char *pat,
    1031              :                      gfc_expr *hash)
    1032              : {
    1033         1434 :   char *name;
    1034         1434 :   gfc_se argse;
    1035         1434 :   gfc_expr func_index;
    1036         1434 :   gfc_symtree *index_st;
    1037         1434 :   tree func_index_tree;
    1038         1434 :   stmtblock_t blk;
    1039              : 
    1040              :   /* Need to get namespace where static variables are possible.  */
    1041         1434 :   while (ns && ns->proc_name && ns->proc_name->attr.flavor == FL_LABEL)
    1042            0 :     ns = ns->parent;
    1043         1434 :   gcc_assert (ns);
    1044              : 
    1045         1434 :   name = xasprintf (pat, caf_call_cnt);
    1046         1434 :   gcc_assert (!gfc_get_sym_tree (name, ns, &index_st, false));
    1047         1434 :   free (name);
    1048              : 
    1049         1434 :   index_st->n.sym->attr.flavor = FL_VARIABLE;
    1050         1434 :   index_st->n.sym->attr.save = SAVE_EXPLICIT;
    1051         1434 :   index_st->n.sym->value
    1052         1434 :     = gfc_get_constant_expr (BT_INTEGER, gfc_default_integer_kind,
    1053              :                              &gfc_current_locus);
    1054         1434 :   mpz_set_si (index_st->n.sym->value->value.integer, -1);
    1055         1434 :   index_st->n.sym->ts.type = BT_INTEGER;
    1056         1434 :   index_st->n.sym->ts.kind = gfc_default_integer_kind;
    1057         1434 :   gfc_set_sym_referenced (index_st->n.sym);
    1058         1434 :   memset (&func_index, 0, sizeof (gfc_expr));
    1059         1434 :   gfc_clear_ts (&func_index.ts);
    1060         1434 :   func_index.expr_type = EXPR_VARIABLE;
    1061         1434 :   func_index.symtree = index_st;
    1062         1434 :   func_index.ts = index_st->n.sym->ts;
    1063         1434 :   gfc_commit_symbol (index_st->n.sym);
    1064              : 
    1065         1434 :   gfc_init_se (&argse, NULL);
    1066         1434 :   gfc_conv_expr (&argse, &func_index);
    1067         1434 :   gfc_add_block_to_block (block, &argse.pre);
    1068         1434 :   func_index_tree = argse.expr;
    1069              : 
    1070         1434 :   gfc_init_se (&argse, NULL);
    1071         1434 :   gfc_conv_expr (&argse, hash);
    1072              : 
    1073         1434 :   gfc_init_block (&blk);
    1074         1434 :   gfc_add_modify (&blk, func_index_tree,
    1075              :                   build_call_expr (gfor_fndecl_caf_get_remote_function_index, 1,
    1076              :                                    argse.expr));
    1077         1434 :   gfc_add_expr_to_block (
    1078              :     block,
    1079              :     build3 (COND_EXPR, void_type_node,
    1080              :             gfc_likely (build2 (EQ_EXPR, logical_type_node, func_index_tree,
    1081              :                                 build_int_cst (integer_type_node, -1)),
    1082              :                         PRED_FIRST_MATCH),
    1083              :             gfc_finish_block (&blk), NULL_TREE));
    1084              : 
    1085         1434 :   return func_index_tree;
    1086              : }
    1087              : 
    1088              : static tree
    1089         1434 : conv_caf_add_call_data (stmtblock_t *blk, gfc_namespace *ns, const char *pat,
    1090              :                         gfc_symbol *data_sym, tree *data_size)
    1091              : {
    1092         1434 :   char *name;
    1093         1434 :   gfc_symtree *data_st;
    1094         1434 :   gfc_constructor *con;
    1095         1434 :   gfc_expr data, data_init;
    1096         1434 :   gfc_se argse;
    1097         1434 :   tree data_tree;
    1098              : 
    1099         1434 :   memset (&data, 0, sizeof (gfc_expr));
    1100         1434 :   gfc_clear_ts (&data.ts);
    1101         1434 :   data.expr_type = EXPR_VARIABLE;
    1102         1434 :   name = xasprintf (pat, caf_call_cnt);
    1103         1434 :   gcc_assert (!gfc_get_sym_tree (name, ns, &data_st, false));
    1104         1434 :   free (name);
    1105         1434 :   data_st->n.sym->attr.flavor = FL_VARIABLE;
    1106         1434 :   data_st->n.sym->ts = data_sym->ts;
    1107         1434 :   data.symtree = data_st;
    1108         1434 :   gfc_set_sym_referenced (data.symtree->n.sym);
    1109         1434 :   data.ts = data_st->n.sym->ts;
    1110         1434 :   gfc_commit_symbol (data_st->n.sym);
    1111              : 
    1112         1434 :   memset (&data_init, 0, sizeof (gfc_expr));
    1113         1434 :   gfc_clear_ts (&data_init.ts);
    1114         1434 :   data_init.expr_type = EXPR_STRUCTURE;
    1115         1434 :   data_init.ts = data.ts;
    1116         1750 :   for (gfc_component *comp = data.ts.u.derived->components; comp;
    1117          316 :        comp = comp->next)
    1118              :     {
    1119          316 :       con = gfc_constructor_get ();
    1120          316 :       con->expr = comp->initializer;
    1121          316 :       comp->initializer = NULL;
    1122          316 :       gfc_constructor_append (&data_init.value.constructor, con);
    1123              :     }
    1124              : 
    1125         1434 :   if (data.ts.u.derived->components)
    1126              :     {
    1127          110 :       gfc_init_se (&argse, NULL);
    1128          110 :       gfc_conv_expr (&argse, &data);
    1129          110 :       data_tree = argse.expr;
    1130          110 :       gfc_add_expr_to_block (blk,
    1131              :                              gfc_trans_structure_assign (data_tree, &data_init,
    1132              :                                                          true, true));
    1133          110 :       gfc_constructor_free (data_init.value.constructor);
    1134          110 :       *data_size = TREE_TYPE (data_tree)->type_common.size_unit;
    1135          110 :       data_tree = gfc_build_addr_expr (pvoid_type_node, data_tree);
    1136              :     }
    1137              :   else
    1138              :     {
    1139         1324 :       data_tree = build_zero_cst (pvoid_type_node);
    1140         1324 :       *data_size = build_zero_cst (size_type_node);
    1141              :     }
    1142              : 
    1143         1434 :   return data_tree;
    1144              : }
    1145              : 
    1146              : static tree
    1147          251 : conv_shape_to_cst (gfc_expr *e)
    1148              : {
    1149          251 :   tree tmp = NULL;
    1150          690 :   for (int d = 0; d < e->rank; ++d)
    1151              :     {
    1152          439 :       if (!tmp)
    1153          251 :         tmp = gfc_conv_mpz_to_tree (e->shape[d], gfc_size_kind);
    1154              :       else
    1155          188 :         tmp = fold_build2 (MULT_EXPR, TREE_TYPE (tmp), tmp,
    1156              :                            gfc_conv_mpz_to_tree (e->shape[d], gfc_size_kind));
    1157              :     }
    1158          251 :   return fold_convert (size_type_node, tmp);
    1159              : }
    1160              : 
    1161              : static void
    1162         1267 : conv_stat_and_team (stmtblock_t *block, gfc_expr *expr, tree *stat, tree *team,
    1163              :                     tree *team_no)
    1164              : {
    1165         1267 :   gfc_expr *stat_e, *team_e;
    1166              : 
    1167         1267 :   stat_e = gfc_find_stat_co (expr);
    1168         1267 :   if (stat_e)
    1169              :     {
    1170           33 :       gfc_se stat_se;
    1171           33 :       gfc_init_se (&stat_se, NULL);
    1172           33 :       gfc_conv_expr_reference (&stat_se, stat_e);
    1173           33 :       *stat = stat_se.expr;
    1174           33 :       gfc_add_block_to_block (block, &stat_se.pre);
    1175           33 :       gfc_add_block_to_block (block, &stat_se.post);
    1176              :     }
    1177              :   else
    1178         1234 :     *stat = null_pointer_node;
    1179              : 
    1180         1267 :   team_e = gfc_find_team_co (expr, TEAM_TEAM);
    1181         1267 :   if (team_e)
    1182              :     {
    1183           18 :       gfc_se team_se;
    1184           18 :       gfc_init_se (&team_se, NULL);
    1185           18 :       gfc_conv_expr (&team_se, team_e);
    1186           18 :       *team
    1187           18 :         = gfc_build_addr_expr (NULL_TREE, gfc_trans_force_lval (&team_se.pre,
    1188              :                                                                 team_se.expr));
    1189           18 :       gfc_add_block_to_block (block, &team_se.pre);
    1190           18 :       gfc_add_block_to_block (block, &team_se.post);
    1191              :     }
    1192              :   else
    1193         1249 :     *team = null_pointer_node;
    1194              : 
    1195         1267 :   team_e = gfc_find_team_co (expr, TEAM_NUMBER);
    1196         1267 :   if (team_e)
    1197              :     {
    1198           30 :       gfc_se team_se;
    1199           30 :       gfc_init_se (&team_se, NULL);
    1200           30 :       gfc_conv_expr (&team_se, team_e);
    1201           30 :       *team_no = gfc_build_addr_expr (
    1202              :         NULL_TREE,
    1203              :         gfc_trans_force_lval (&team_se.pre,
    1204              :                               fold_convert (integer_type_node, team_se.expr)));
    1205           30 :       gfc_add_block_to_block (block, &team_se.pre);
    1206           30 :       gfc_add_block_to_block (block, &team_se.post);
    1207              :     }
    1208              :   else
    1209         1237 :     *team_no = null_pointer_node;
    1210         1267 : }
    1211              : 
    1212              : /* Get data from a remote coarray.  */
    1213              : 
    1214              : static void
    1215         1006 : gfc_conv_intrinsic_caf_get (gfc_se *se, gfc_expr *expr, tree lhs,
    1216              :                             bool may_realloc, symbol_attribute *caf_attr)
    1217              : {
    1218         1006 :   gfc_expr *array_expr;
    1219         1006 :   tree caf_decl, token, image_index, tmp, res_var, type, stat, dest_size,
    1220              :     dest_data, opt_dest_desc, get_fn_index_tree, add_data_tree, add_data_size,
    1221              :     opt_src_desc, opt_src_charlen, opt_dest_charlen, team, team_no;
    1222         1006 :   symbol_attribute caf_attr_store;
    1223         1006 :   gfc_namespace *ns;
    1224         1006 :   gfc_expr *get_fn_hash = expr->value.function.actual->next->expr,
    1225         1006 :            *get_fn_expr = expr->value.function.actual->next->next->expr;
    1226         1006 :   gfc_symbol *add_data_sym = get_fn_expr->symtree->n.sym->formal->sym;
    1227              : 
    1228         1006 :   gcc_assert (flag_coarray == GFC_FCOARRAY_LIB);
    1229              : 
    1230         1006 :   if (se->ss && se->ss->info->useflags)
    1231              :     {
    1232              :       /* Access the previously obtained result.  */
    1233          379 :       gfc_conv_tmp_array_ref (se);
    1234          379 :       return;
    1235              :     }
    1236              : 
    1237          627 :   array_expr = expr->value.function.actual->expr;
    1238          627 :   ns = array_expr->expr_type == EXPR_VARIABLE
    1239          627 :            && !array_expr->symtree->n.sym->attr.associate_var
    1240          571 :            && !array_expr->symtree->n.sym->module
    1241          627 :          ? array_expr->symtree->n.sym->ns
    1242              :          : gfc_current_ns;
    1243          627 :   type = gfc_typenode_for_spec (&array_expr->ts);
    1244              : 
    1245          627 :   if (caf_attr == NULL)
    1246              :     {
    1247          627 :       caf_attr_store = gfc_caf_attr (array_expr);
    1248          627 :       caf_attr = &caf_attr_store;
    1249              :     }
    1250              : 
    1251          627 :   res_var = lhs;
    1252              : 
    1253          627 :   conv_stat_and_team (&se->pre, expr, &stat, &team, &team_no);
    1254              : 
    1255          627 :   get_fn_index_tree
    1256          627 :     = conv_caf_func_index (&se->pre, ns, "__caf_get_from_remote_fn_index_%d",
    1257              :                            get_fn_hash);
    1258          627 :   add_data_tree
    1259          627 :     = conv_caf_add_call_data (&se->pre, ns, "__caf_get_from_remote_add_data_%d",
    1260              :                               add_data_sym, &add_data_size);
    1261          627 :   ++caf_call_cnt;
    1262              : 
    1263          627 :   if (array_expr->rank == 0)
    1264              :     {
    1265          246 :       res_var = gfc_create_var (type, "caf_res");
    1266          246 :       if (array_expr->ts.type == BT_CHARACTER)
    1267              :         {
    1268           33 :           gfc_conv_string_length (array_expr->ts.u.cl, array_expr, &se->pre);
    1269           33 :           se->string_length = array_expr->ts.u.cl->backend_decl;
    1270           33 :           opt_src_charlen = gfc_build_addr_expr (
    1271              :             NULL_TREE, gfc_trans_force_lval (&se->pre, se->string_length));
    1272           33 :           dest_size = build_int_cstu (size_type_node, array_expr->ts.kind);
    1273              :         }
    1274              :       else
    1275              :         {
    1276          213 :           dest_size = res_var->typed.type->type_common.size_unit;
    1277          213 :           opt_src_charlen
    1278          213 :             = build_zero_cst (build_pointer_type (size_type_node));
    1279              :         }
    1280          246 :       dest_data
    1281          246 :         = gfc_evaluate_now (gfc_build_addr_expr (NULL_TREE, res_var), &se->pre);
    1282          246 :       res_var = build_fold_indirect_ref (dest_data);
    1283          246 :       dest_data = gfc_build_addr_expr (pvoid_type_node, dest_data);
    1284          246 :       opt_dest_desc = build_zero_cst (pvoid_type_node);
    1285              :     }
    1286              :   else
    1287              :     {
    1288              :       /* Create temporary.  */
    1289          381 :       may_realloc = gfc_trans_create_temp_array (&se->pre, &se->post, se->ss,
    1290              :                                                  type, NULL_TREE, false, false,
    1291              :                                                  false, &array_expr->where)
    1292              :                     == NULL_TREE;
    1293          381 :       res_var = se->ss->info->data.array.descriptor;
    1294          381 :       if (array_expr->ts.type == BT_CHARACTER)
    1295              :         {
    1296           16 :           se->string_length = array_expr->ts.u.cl->backend_decl;
    1297           16 :           opt_src_charlen = gfc_build_addr_expr (
    1298              :             NULL_TREE, gfc_trans_force_lval (&se->pre, se->string_length));
    1299           16 :           dest_size = build_int_cstu (size_type_node, array_expr->ts.kind);
    1300              :         }
    1301              :       else
    1302              :         {
    1303          365 :           opt_src_charlen
    1304          365 :             = build_zero_cst (build_pointer_type (size_type_node));
    1305          365 :           dest_size = fold_build2 (
    1306              :             MULT_EXPR, size_type_node,
    1307              :             fold_convert (size_type_node,
    1308              :                           array_expr->shape
    1309              :                             ? conv_shape_to_cst (array_expr)
    1310              :                             : gfc_conv_descriptor_size (res_var,
    1311              :                                                         array_expr->rank)),
    1312              :             fold_convert (size_type_node,
    1313              :                           gfc_conv_descriptor_span_get (res_var)));
    1314              :         }
    1315          381 :       opt_dest_desc = res_var;
    1316          381 :       dest_data = gfc_conv_descriptor_data_get (res_var);
    1317          381 :       opt_dest_desc = gfc_build_addr_expr (NULL_TREE, opt_dest_desc);
    1318          381 :       if (may_realloc)
    1319              :         {
    1320           62 :           tmp = gfc_conv_descriptor_data_get (res_var);
    1321           62 :           tmp = gfc_deallocate_with_status (tmp, NULL_TREE, NULL_TREE,
    1322              :                                             NULL_TREE, NULL_TREE, true, NULL,
    1323              :                                             GFC_CAF_COARRAY_NOCOARRAY);
    1324           62 :           gfc_add_expr_to_block (&se->post, tmp);
    1325              :         }
    1326          381 :       dest_data
    1327          381 :         = gfc_build_addr_expr (NULL_TREE,
    1328              :                                gfc_trans_force_lval (&se->pre, dest_data));
    1329              :     }
    1330              : 
    1331          627 :   opt_dest_charlen = opt_src_charlen;
    1332          627 :   caf_decl = gfc_get_tree_for_caf_expr (array_expr);
    1333          627 :   if (TREE_CODE (TREE_TYPE (caf_decl)) == REFERENCE_TYPE)
    1334            2 :     caf_decl = build_fold_indirect_ref_loc (input_location, caf_decl);
    1335              : 
    1336          627 :   if (!TYPE_LANG_SPECIFIC (TREE_TYPE (caf_decl))->rank
    1337          627 :       || GFC_ARRAY_TYPE_P (TREE_TYPE (caf_decl)))
    1338          546 :     opt_src_desc = build_zero_cst (pvoid_type_node);
    1339              :   else
    1340           81 :     opt_src_desc = gfc_build_addr_expr (pvoid_type_node, caf_decl);
    1341              : 
    1342          627 :   image_index = gfc_caf_get_image_index (&se->pre, array_expr, caf_decl);
    1343          627 :   gfc_get_caf_token_offset (se, &token, NULL, caf_decl, NULL, array_expr);
    1344              : 
    1345              :   /* It guarantees memory consistency within the same segment.  */
    1346          627 :   tmp = gfc_build_string_const (strlen ("memory") + 1, "memory");
    1347          627 :   tmp = build5_loc (input_location, ASM_EXPR, void_type_node,
    1348              :                     gfc_build_string_const (1, ""), NULL_TREE, NULL_TREE,
    1349              :                     tree_cons (NULL_TREE, tmp, NULL_TREE), NULL_TREE);
    1350          627 :   ASM_VOLATILE_P (tmp) = 1;
    1351          627 :   gfc_add_expr_to_block (&se->pre, tmp);
    1352              : 
    1353          627 :   tmp = build_call_expr_loc (
    1354              :     input_location, gfor_fndecl_caf_get_from_remote, 15, token, opt_src_desc,
    1355              :     opt_src_charlen, image_index, dest_size, dest_data, opt_dest_charlen,
    1356              :     opt_dest_desc, constant_boolean_node (may_realloc, boolean_type_node),
    1357              :     get_fn_index_tree, add_data_tree, add_data_size, stat, team, team_no);
    1358              : 
    1359          627 :   gfc_add_expr_to_block (&se->pre, tmp);
    1360              : 
    1361          627 :   if (se->ss)
    1362          381 :     gfc_advance_se_ss_chain (se);
    1363              : 
    1364          627 :   se->expr = res_var;
    1365              : 
    1366          627 :   return;
    1367              : }
    1368              : 
    1369              : /* Generate call to caf_is_present_on_remote for allocated (coarrary[...])
    1370              :    calls.  */
    1371              : 
    1372              : static void
    1373          167 : gfc_conv_intrinsic_caf_is_present_remote (gfc_se *se, gfc_expr *e)
    1374              : {
    1375          167 :   gfc_expr *caf_expr, *hash, *present_fn;
    1376          167 :   gfc_symbol *add_data_sym;
    1377          167 :   tree fn_index, add_data_tree, add_data_size, caf_decl, image_index, token;
    1378              : 
    1379          167 :   gcc_assert (e->expr_type == EXPR_FUNCTION
    1380              :               && e->value.function.isym->id
    1381              :                    == GFC_ISYM_CAF_IS_PRESENT_ON_REMOTE);
    1382          167 :   caf_expr = e->value.function.actual->expr;
    1383          167 :   hash = e->value.function.actual->next->expr;
    1384          167 :   present_fn = e->value.function.actual->next->next->expr;
    1385          167 :   add_data_sym = present_fn->symtree->n.sym->formal->sym;
    1386              : 
    1387          167 :   fn_index = conv_caf_func_index (&se->pre, e->symtree->n.sym->ns,
    1388              :                                   "__caf_present_on_remote_fn_index_%d", hash);
    1389          167 :   add_data_tree = conv_caf_add_call_data (&se->pre, e->symtree->n.sym->ns,
    1390              :                                           "__caf_present_on_remote_add_data_%d",
    1391              :                                           add_data_sym, &add_data_size);
    1392          167 :   ++caf_call_cnt;
    1393              : 
    1394          167 :   caf_decl = gfc_get_tree_for_caf_expr (caf_expr);
    1395          167 :   if (TREE_CODE (TREE_TYPE (caf_decl)) == REFERENCE_TYPE)
    1396            4 :     caf_decl = build_fold_indirect_ref_loc (input_location, caf_decl);
    1397              : 
    1398          167 :   image_index = gfc_caf_get_image_index (&se->pre, caf_expr, caf_decl);
    1399          167 :   gfc_get_caf_token_offset (se, &token, NULL, caf_decl, NULL, caf_expr);
    1400              : 
    1401          167 :   se->expr
    1402          167 :     = fold_convert (logical_type_node,
    1403              :                     build_call_expr_loc (input_location,
    1404              :                                          gfor_fndecl_caf_is_present_on_remote,
    1405              :                                          5, token, image_index, fn_index,
    1406              :                                          add_data_tree, add_data_size));
    1407          167 : }
    1408              : 
    1409              : static tree
    1410          360 : conv_caf_send_to_remote (gfc_code *code)
    1411              : {
    1412          360 :   gfc_expr *lhs_expr, *rhs_expr, *lhs_hash, *receiver_fn_expr;
    1413          360 :   gfc_symbol *add_data_sym;
    1414          360 :   gfc_se lhs_se, rhs_se;
    1415          360 :   stmtblock_t block;
    1416          360 :   gfc_namespace *ns;
    1417          360 :   tree caf_decl, token, rhs_size, image_index, tmp, rhs_data;
    1418          360 :   tree lhs_stat, lhs_team, lhs_team_no, opt_lhs_charlen, opt_rhs_charlen;
    1419          360 :   tree opt_lhs_desc = NULL_TREE, opt_rhs_desc = NULL_TREE;
    1420          360 :   tree receiver_fn_index_tree, add_data_tree, add_data_size;
    1421              : 
    1422          360 :   gcc_assert (flag_coarray == GFC_FCOARRAY_LIB);
    1423          360 :   gcc_assert (code->resolved_isym->id == GFC_ISYM_CAF_SEND);
    1424              : 
    1425          360 :   lhs_expr = code->ext.actual->expr;
    1426          360 :   rhs_expr = code->ext.actual->next->expr;
    1427          360 :   lhs_hash = code->ext.actual->next->next->expr;
    1428          360 :   receiver_fn_expr = code->ext.actual->next->next->next->expr;
    1429          360 :   add_data_sym = receiver_fn_expr->symtree->n.sym->formal->sym;
    1430              : 
    1431          360 :   ns = lhs_expr->expr_type == EXPR_VARIABLE
    1432          360 :            && !lhs_expr->symtree->n.sym->attr.associate_var
    1433          360 :          ? lhs_expr->symtree->n.sym->ns
    1434              :          : gfc_current_ns;
    1435              : 
    1436          360 :   gfc_init_block (&block);
    1437              : 
    1438              :   /* LHS.  */
    1439          360 :   gfc_init_se (&lhs_se, NULL);
    1440          360 :   caf_decl = gfc_get_tree_for_caf_expr (lhs_expr);
    1441          360 :   if (TREE_CODE (TREE_TYPE (caf_decl)) == REFERENCE_TYPE)
    1442            0 :     caf_decl = build_fold_indirect_ref_loc (input_location, caf_decl);
    1443          360 :   if (lhs_expr->rank == 0)
    1444              :     {
    1445          266 :       if (lhs_expr->ts.type == BT_CHARACTER)
    1446              :         {
    1447           24 :           gfc_conv_string_length (lhs_expr->ts.u.cl, lhs_expr, &block);
    1448           24 :           lhs_se.string_length = lhs_expr->ts.u.cl->backend_decl;
    1449           24 :           opt_lhs_charlen = gfc_build_addr_expr (
    1450              :             NULL_TREE, gfc_trans_force_lval (&block, lhs_se.string_length));
    1451              :         }
    1452              :       else
    1453          242 :         opt_lhs_charlen = build_zero_cst (build_pointer_type (size_type_node));
    1454          266 :       opt_lhs_desc = null_pointer_node;
    1455              :     }
    1456              :   else
    1457              :     {
    1458           94 :       gfc_conv_expr_descriptor (&lhs_se, lhs_expr);
    1459           94 :       gfc_add_block_to_block (&block, &lhs_se.pre);
    1460           94 :       opt_lhs_desc = lhs_se.expr;
    1461           94 :       if (lhs_expr->ts.type == BT_CHARACTER)
    1462           44 :         opt_lhs_charlen = gfc_build_addr_expr (
    1463              :           NULL_TREE, gfc_trans_force_lval (&block, lhs_se.string_length));
    1464              :       else
    1465           50 :         opt_lhs_charlen = build_zero_cst (build_pointer_type (size_type_node));
    1466              :       /* Get the third formal argument of the receiver function.  (This is the
    1467              :          location where to put the data on the remote image.)  Need to look at
    1468              :          the argument in the function decl, because in the gfc_symbol's formal
    1469              :          argument an array may have no descriptor while in the generated
    1470              :          function decl it has.  */
    1471           94 :       tmp = TREE_VALUE (TREE_CHAIN (TREE_CHAIN (TYPE_ARG_TYPES (
    1472              :         TREE_TYPE (receiver_fn_expr->symtree->n.sym->backend_decl)))));
    1473           94 :       if (!GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (tmp)))
    1474           56 :         opt_lhs_desc = null_pointer_node;
    1475              :       else
    1476           38 :         opt_lhs_desc
    1477           38 :           = gfc_build_addr_expr (NULL_TREE,
    1478              :                                  gfc_trans_force_lval (&block, opt_lhs_desc));
    1479              :     }
    1480              : 
    1481              :   /* Obtain token, offset and image index for the LHS.  */
    1482          360 :   image_index = gfc_caf_get_image_index (&block, lhs_expr, caf_decl);
    1483          360 :   gfc_get_caf_token_offset (&lhs_se, &token, NULL, caf_decl, NULL, lhs_expr);
    1484              : 
    1485              :   /* RHS.  */
    1486          360 :   gfc_init_se (&rhs_se, NULL);
    1487          360 :   if (rhs_expr->rank == 0)
    1488              :     {
    1489          436 :       rhs_se.want_pointer = rhs_expr->ts.type == BT_CHARACTER
    1490          218 :                             && rhs_expr->expr_type != EXPR_CONSTANT;
    1491          218 :       gfc_conv_expr (&rhs_se, rhs_expr);
    1492          218 :       gfc_add_block_to_block (&block, &rhs_se.pre);
    1493          218 :       opt_rhs_desc = null_pointer_node;
    1494          218 :       if (rhs_expr->ts.type == BT_CHARACTER)
    1495              :         {
    1496           40 :           rhs_data
    1497           40 :             = rhs_expr->expr_type == EXPR_CONSTANT
    1498           40 :                 ? gfc_build_addr_expr (NULL_TREE,
    1499              :                                        gfc_trans_force_lval (&block,
    1500              :                                                              rhs_se.expr))
    1501              :                 : rhs_se.expr;
    1502           40 :           opt_rhs_charlen = gfc_build_addr_expr (
    1503              :             NULL_TREE, gfc_trans_force_lval (&block, rhs_se.string_length));
    1504           40 :           rhs_size = build_int_cstu (size_type_node, rhs_expr->ts.kind);
    1505              :         }
    1506              :       else
    1507              :         {
    1508          178 :           rhs_data
    1509          178 :             = gfc_build_addr_expr (NULL_TREE,
    1510              :                                    gfc_trans_force_lval (&block, rhs_se.expr));
    1511          178 :           opt_rhs_charlen
    1512          178 :             = build_zero_cst (build_pointer_type (size_type_node));
    1513          178 :           rhs_size = TREE_TYPE (rhs_se.expr)->type_common.size_unit;
    1514              :         }
    1515              :     }
    1516              :   else
    1517              :     {
    1518          284 :       rhs_se.force_tmp = rhs_expr->shape == NULL
    1519          142 :                          || !gfc_is_simply_contiguous (rhs_expr, false, false);
    1520          142 :       gfc_conv_expr_descriptor (&rhs_se, rhs_expr);
    1521          142 :       gfc_add_block_to_block (&block, &rhs_se.pre);
    1522          142 :       opt_rhs_desc = rhs_se.expr;
    1523          142 :       if (rhs_expr->ts.type == BT_CHARACTER)
    1524              :         {
    1525           28 :           opt_rhs_charlen = gfc_build_addr_expr (
    1526              :             NULL_TREE, gfc_trans_force_lval (&block, rhs_se.string_length));
    1527           28 :           rhs_size = build_int_cstu (size_type_node, rhs_expr->ts.kind);
    1528              :         }
    1529              :       else
    1530              :         {
    1531          114 :           opt_rhs_charlen
    1532          114 :             = build_zero_cst (build_pointer_type (size_type_node));
    1533          114 :           rhs_size = fold_build2 (
    1534              :             MULT_EXPR, size_type_node,
    1535              :             fold_convert (size_type_node,
    1536              :                           rhs_expr->shape
    1537              :                             ? conv_shape_to_cst (rhs_expr)
    1538              :                             : gfc_conv_descriptor_size (rhs_se.expr,
    1539              :                                                         rhs_expr->rank)),
    1540              :             fold_convert (size_type_node,
    1541              :                           gfc_conv_descriptor_span_get (rhs_se.expr)));
    1542              :         }
    1543              : 
    1544          142 :       rhs_data = gfc_build_addr_expr (
    1545              :         NULL_TREE, gfc_trans_force_lval (&block, gfc_conv_descriptor_data_get (
    1546              :                                                    opt_rhs_desc)));
    1547          142 :       opt_rhs_desc = gfc_build_addr_expr (NULL_TREE, opt_rhs_desc);
    1548              :     }
    1549          360 :   gfc_add_block_to_block (&block, &rhs_se.pre);
    1550              : 
    1551          360 :   conv_stat_and_team (&block, lhs_expr, &lhs_stat, &lhs_team, &lhs_team_no);
    1552              : 
    1553          360 :   receiver_fn_index_tree
    1554          360 :     = conv_caf_func_index (&block, ns, "__caf_send_to_remote_fn_index_%d",
    1555              :                            lhs_hash);
    1556          360 :   add_data_tree
    1557          360 :     = conv_caf_add_call_data (&block, ns, "__caf_send_to_remote_add_data_%d",
    1558              :                               add_data_sym, &add_data_size);
    1559          360 :   ++caf_call_cnt;
    1560              : 
    1561          360 :   tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_send_to_remote, 14,
    1562              :                              token, opt_lhs_desc, opt_lhs_charlen, image_index,
    1563              :                              rhs_size, rhs_data, opt_rhs_charlen, opt_rhs_desc,
    1564              :                              receiver_fn_index_tree, add_data_tree,
    1565              :                              add_data_size, lhs_stat, lhs_team, lhs_team_no);
    1566              : 
    1567          360 :   gfc_add_expr_to_block (&block, tmp);
    1568          360 :   gfc_add_block_to_block (&block, &lhs_se.post);
    1569          360 :   gfc_add_block_to_block (&block, &rhs_se.post);
    1570              : 
    1571              :   /* It guarantees memory consistency within the same segment.  */
    1572          360 :   tmp = gfc_build_string_const (strlen ("memory") + 1, "memory");
    1573          360 :   tmp = build5_loc (input_location, ASM_EXPR, void_type_node,
    1574              :                     gfc_build_string_const (1, ""), NULL_TREE, NULL_TREE,
    1575              :                     tree_cons (NULL_TREE, tmp, NULL_TREE), NULL_TREE);
    1576          360 :   ASM_VOLATILE_P (tmp) = 1;
    1577          360 :   gfc_add_expr_to_block (&block, tmp);
    1578              : 
    1579          360 :   return gfc_finish_block (&block);
    1580              : }
    1581              : 
    1582              : /* Send-get data to a remote coarray.  */
    1583              : 
    1584              : static tree
    1585          140 : conv_caf_sendget (gfc_code *code)
    1586              : {
    1587              :   /* lhs stuff  */
    1588          140 :   gfc_expr *lhs_expr, *lhs_hash, *receiver_fn_expr;
    1589          140 :   gfc_symbol *lhs_add_data_sym;
    1590          140 :   gfc_se lhs_se;
    1591          140 :   tree lhs_caf_decl, lhs_token, opt_lhs_charlen,
    1592          140 :     opt_lhs_desc = NULL_TREE, receiver_fn_index_tree, lhs_image_index,
    1593              :     lhs_add_data_tree, lhs_add_data_size, lhs_stat, lhs_team, lhs_team_no;
    1594          140 :   int transfer_rank;
    1595              : 
    1596              :   /* rhs stuff  */
    1597          140 :   gfc_expr *rhs_expr, *rhs_hash, *sender_fn_expr;
    1598          140 :   gfc_symbol *rhs_add_data_sym;
    1599          140 :   gfc_se rhs_se;
    1600          140 :   tree rhs_caf_decl, rhs_token, opt_rhs_charlen,
    1601          140 :     opt_rhs_desc = NULL_TREE, sender_fn_index_tree, rhs_image_index,
    1602              :     rhs_add_data_tree, rhs_add_data_size, rhs_stat, rhs_team, rhs_team_no;
    1603              : 
    1604              :   /* shared  */
    1605          140 :   stmtblock_t block;
    1606          140 :   gfc_namespace *ns;
    1607          140 :   tree tmp, rhs_size;
    1608              : 
    1609          140 :   gcc_assert (flag_coarray == GFC_FCOARRAY_LIB);
    1610          140 :   gcc_assert (code->resolved_isym->id == GFC_ISYM_CAF_SENDGET);
    1611              : 
    1612          140 :   lhs_expr = code->ext.actual->expr;
    1613          140 :   rhs_expr = code->ext.actual->next->expr;
    1614          140 :   lhs_hash = code->ext.actual->next->next->expr;
    1615          140 :   receiver_fn_expr = code->ext.actual->next->next->next->expr;
    1616          140 :   rhs_hash = code->ext.actual->next->next->next->next->expr;
    1617          140 :   sender_fn_expr = code->ext.actual->next->next->next->next->next->expr;
    1618              : 
    1619          140 :   lhs_add_data_sym = receiver_fn_expr->symtree->n.sym->formal->sym;
    1620          140 :   rhs_add_data_sym = sender_fn_expr->symtree->n.sym->formal->sym;
    1621              : 
    1622          140 :   ns = lhs_expr->expr_type == EXPR_VARIABLE
    1623          140 :            && !lhs_expr->symtree->n.sym->attr.associate_var
    1624          140 :          ? lhs_expr->symtree->n.sym->ns
    1625              :          : gfc_current_ns;
    1626              : 
    1627          140 :   gfc_init_block (&block);
    1628              : 
    1629          140 :   lhs_stat = null_pointer_node;
    1630          140 :   lhs_team = null_pointer_node;
    1631          140 :   rhs_stat = null_pointer_node;
    1632          140 :   rhs_team = null_pointer_node;
    1633              : 
    1634              :   /* LHS.  */
    1635          140 :   gfc_init_se (&lhs_se, NULL);
    1636          140 :   lhs_caf_decl = gfc_get_tree_for_caf_expr (lhs_expr);
    1637          140 :   if (TREE_CODE (TREE_TYPE (lhs_caf_decl)) == REFERENCE_TYPE)
    1638            0 :     lhs_caf_decl = build_fold_indirect_ref_loc (input_location, lhs_caf_decl);
    1639          140 :   if (lhs_expr->rank == 0)
    1640              :     {
    1641           78 :       if (lhs_expr->ts.type == BT_CHARACTER)
    1642              :         {
    1643           16 :           gfc_conv_string_length (lhs_expr->ts.u.cl, lhs_expr, &block);
    1644           16 :           lhs_se.string_length = lhs_expr->ts.u.cl->backend_decl;
    1645           16 :           opt_lhs_charlen = gfc_build_addr_expr (
    1646              :             NULL_TREE, gfc_trans_force_lval (&block, lhs_se.string_length));
    1647              :         }
    1648              :       else
    1649           62 :         opt_lhs_charlen = build_zero_cst (build_pointer_type (size_type_node));
    1650           78 :       opt_lhs_desc = null_pointer_node;
    1651              :     }
    1652              :   else
    1653              :     {
    1654           62 :       gfc_conv_expr_descriptor (&lhs_se, lhs_expr);
    1655           62 :       gfc_add_block_to_block (&block, &lhs_se.pre);
    1656           62 :       opt_lhs_desc = lhs_se.expr;
    1657           62 :       if (lhs_expr->ts.type == BT_CHARACTER)
    1658           32 :         opt_lhs_charlen = gfc_build_addr_expr (
    1659              :           NULL_TREE, gfc_trans_force_lval (&block, lhs_se.string_length));
    1660              :       else
    1661           30 :         opt_lhs_charlen = build_zero_cst (build_pointer_type (size_type_node));
    1662              :       /* Get the third formal argument of the receiver function.  (This is the
    1663              :          location where to put the data on the remote image.)  Need to look at
    1664              :          the argument in the function decl, because in the gfc_symbol's formal
    1665              :          argument an array may have no descriptor while in the generated
    1666              :          function decl it has.  */
    1667           62 :       tmp = TREE_VALUE (TREE_CHAIN (TREE_CHAIN (TYPE_ARG_TYPES (
    1668              :         TREE_TYPE (receiver_fn_expr->symtree->n.sym->backend_decl)))));
    1669           62 :       if (!GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (tmp)))
    1670           54 :         opt_lhs_desc = null_pointer_node;
    1671              :       else
    1672            8 :         opt_lhs_desc
    1673            8 :           = gfc_build_addr_expr (NULL_TREE,
    1674              :                                  gfc_trans_force_lval (&block, opt_lhs_desc));
    1675              :     }
    1676              : 
    1677              :   /* Obtain token, offset and image index for the LHS.  */
    1678          140 :   lhs_image_index = gfc_caf_get_image_index (&block, lhs_expr, lhs_caf_decl);
    1679          140 :   gfc_get_caf_token_offset (&lhs_se, &lhs_token, NULL, lhs_caf_decl, NULL,
    1680              :                             lhs_expr);
    1681              : 
    1682              :   /* RHS.  */
    1683          140 :   rhs_caf_decl = gfc_get_tree_for_caf_expr (rhs_expr);
    1684          140 :   if (TREE_CODE (TREE_TYPE (rhs_caf_decl)) == REFERENCE_TYPE)
    1685            0 :     rhs_caf_decl = build_fold_indirect_ref_loc (input_location, rhs_caf_decl);
    1686          140 :   transfer_rank = rhs_expr->rank;
    1687          140 :   gfc_expression_rank (rhs_expr);
    1688          140 :   gfc_init_se (&rhs_se, NULL);
    1689          140 :   if (rhs_expr->rank == 0)
    1690              :     {
    1691           80 :       opt_rhs_desc = null_pointer_node;
    1692           80 :       if (rhs_expr->ts.type == BT_CHARACTER)
    1693              :         {
    1694           32 :           gfc_conv_expr (&rhs_se, rhs_expr);
    1695           32 :           gfc_add_block_to_block (&block, &rhs_se.pre);
    1696           32 :           opt_rhs_charlen = gfc_build_addr_expr (
    1697              :             NULL_TREE, gfc_trans_force_lval (&block, rhs_se.string_length));
    1698           32 :           rhs_size = build_int_cstu (size_type_node, rhs_expr->ts.kind);
    1699              :         }
    1700              :       else
    1701              :         {
    1702           48 :           gfc_typespec *ts
    1703           48 :             = &sender_fn_expr->symtree->n.sym->formal->next->next->sym->ts;
    1704              : 
    1705           48 :           opt_rhs_charlen
    1706           48 :             = build_zero_cst (build_pointer_type (size_type_node));
    1707           48 :           rhs_size = gfc_typenode_for_spec (ts)->type_common.size_unit;
    1708              :         }
    1709              :     }
    1710              :   /* Get the fifth formal argument of the getter function.  This is the argument
    1711              :      pointing to the data to get on the remote image.  Need to look at the
    1712              :      argument in the function decl, because in the gfc_symbol's formal argument
    1713              :      an array may have no descriptor while in the generated function decl it
    1714              :      has.  */
    1715           60 :   else if (!GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (TREE_VALUE (
    1716              :              TREE_CHAIN (TREE_CHAIN (TREE_CHAIN (TREE_CHAIN (TYPE_ARG_TYPES (
    1717              :                TREE_TYPE (sender_fn_expr->symtree->n.sym->backend_decl))))))))))
    1718              :     {
    1719           52 :       rhs_se.data_not_needed = 1;
    1720           52 :       gfc_conv_expr_descriptor (&rhs_se, rhs_expr);
    1721           52 :       gfc_add_block_to_block (&block, &rhs_se.pre);
    1722           52 :       if (rhs_expr->ts.type == BT_CHARACTER)
    1723              :         {
    1724           16 :           opt_rhs_charlen = gfc_build_addr_expr (
    1725              :             NULL_TREE, gfc_trans_force_lval (&block, rhs_se.string_length));
    1726           16 :           rhs_size = build_int_cstu (size_type_node, rhs_expr->ts.kind);
    1727              :         }
    1728              :       else
    1729              :         {
    1730           36 :           opt_rhs_charlen
    1731           36 :             = build_zero_cst (build_pointer_type (size_type_node));
    1732           36 :           rhs_size = TREE_TYPE (rhs_se.expr)->type_common.size_unit;
    1733              :         }
    1734           52 :       opt_rhs_desc = null_pointer_node;
    1735              :     }
    1736              :   else
    1737              :     {
    1738            8 :       gfc_ref *arr_ref = rhs_expr->ref;
    1739            8 :       while (arr_ref && arr_ref->type != REF_ARRAY)
    1740            0 :         arr_ref = arr_ref->next;
    1741            8 :       rhs_se.force_tmp
    1742           16 :         = (rhs_expr->shape == NULL
    1743            8 :            && (!arr_ref || !gfc_full_array_ref_p (arr_ref, nullptr)))
    1744           16 :           || !gfc_is_simply_contiguous (rhs_expr, false, false);
    1745            8 :       gfc_conv_expr_descriptor (&rhs_se, rhs_expr);
    1746            8 :       gfc_add_block_to_block (&block, &rhs_se.pre);
    1747            8 :       opt_rhs_desc = rhs_se.expr;
    1748            8 :       if (rhs_expr->ts.type == BT_CHARACTER)
    1749              :         {
    1750            0 :           opt_rhs_charlen = gfc_build_addr_expr (
    1751              :             NULL_TREE, gfc_trans_force_lval (&block, rhs_se.string_length));
    1752            0 :           rhs_size = build_int_cstu (size_type_node, rhs_expr->ts.kind);
    1753              :         }
    1754              :       else
    1755              :         {
    1756            8 :           opt_rhs_charlen
    1757            8 :             = build_zero_cst (build_pointer_type (size_type_node));
    1758            8 :           rhs_size = fold_build2 (
    1759              :             MULT_EXPR, size_type_node,
    1760              :             fold_convert (size_type_node,
    1761              :                           rhs_expr->shape
    1762              :                             ? conv_shape_to_cst (rhs_expr)
    1763              :                             : gfc_conv_descriptor_size (rhs_se.expr,
    1764              :                                                         rhs_expr->rank)),
    1765              :             fold_convert (size_type_node,
    1766              :                           gfc_conv_descriptor_span_get (rhs_se.expr)));
    1767              :         }
    1768              : 
    1769            8 :       opt_rhs_desc = gfc_build_addr_expr (NULL_TREE, opt_rhs_desc);
    1770              :     }
    1771          140 :   gfc_add_block_to_block (&block, &rhs_se.pre);
    1772              : 
    1773              :   /* Obtain token, offset and image index for the RHS.  */
    1774          140 :   rhs_image_index = gfc_caf_get_image_index (&block, rhs_expr, rhs_caf_decl);
    1775          140 :   gfc_get_caf_token_offset (&rhs_se, &rhs_token, NULL, rhs_caf_decl, NULL,
    1776              :                             rhs_expr);
    1777              : 
    1778              :   /* stat and team.  */
    1779          140 :   conv_stat_and_team (&block, lhs_expr, &lhs_stat, &lhs_team, &lhs_team_no);
    1780          140 :   conv_stat_and_team (&block, rhs_expr, &rhs_stat, &rhs_team, &rhs_team_no);
    1781              : 
    1782          140 :   sender_fn_index_tree
    1783          140 :     = conv_caf_func_index (&block, ns, "__caf_transfer_from_fn_index_%d",
    1784              :                            rhs_hash);
    1785          140 :   rhs_add_data_tree
    1786          140 :     = conv_caf_add_call_data (&block, ns,
    1787              :                               "__caf_transfer_from_remote_add_data_%d",
    1788              :                               rhs_add_data_sym, &rhs_add_data_size);
    1789          140 :   receiver_fn_index_tree
    1790          140 :     = conv_caf_func_index (&block, ns, "__caf_transfer_to_remote_fn_index_%d",
    1791              :                            lhs_hash);
    1792          140 :   lhs_add_data_tree
    1793          140 :     = conv_caf_add_call_data (&block, ns,
    1794              :                               "__caf_transfer_to_remote_add_data_%d",
    1795              :                               lhs_add_data_sym, &lhs_add_data_size);
    1796          140 :   ++caf_call_cnt;
    1797              : 
    1798          140 :   tmp = build_call_expr_loc (
    1799              :     input_location, gfor_fndecl_caf_transfer_between_remotes, 22, lhs_token,
    1800              :     opt_lhs_desc, opt_lhs_charlen, lhs_image_index, receiver_fn_index_tree,
    1801              :     lhs_add_data_tree, lhs_add_data_size, rhs_token, opt_rhs_desc,
    1802              :     opt_rhs_charlen, rhs_image_index, sender_fn_index_tree, rhs_add_data_tree,
    1803              :     rhs_add_data_size, rhs_size,
    1804              :     transfer_rank == 0 ? boolean_true_node : boolean_false_node, lhs_stat,
    1805              :     rhs_stat, lhs_team, lhs_team_no, rhs_team, rhs_team_no);
    1806              : 
    1807          140 :   gfc_add_expr_to_block (&block, tmp);
    1808          140 :   gfc_add_block_to_block (&block, &lhs_se.post);
    1809          140 :   gfc_add_block_to_block (&block, &rhs_se.post);
    1810              : 
    1811              :   /* It guarantees memory consistency within the same segment.  */
    1812          140 :   tmp = gfc_build_string_const (strlen ("memory") + 1, "memory");
    1813          140 :   tmp = build5_loc (input_location, ASM_EXPR, void_type_node,
    1814              :                     gfc_build_string_const (1, ""), NULL_TREE, NULL_TREE,
    1815              :                     tree_cons (NULL_TREE, tmp, NULL_TREE), NULL_TREE);
    1816          140 :   ASM_VOLATILE_P (tmp) = 1;
    1817          140 :   gfc_add_expr_to_block (&block, tmp);
    1818              : 
    1819          140 :   return gfc_finish_block (&block);
    1820              : }
    1821              : 
    1822              : 
    1823              : static void
    1824         1298 : trans_this_image (gfc_se * se, gfc_expr *expr)
    1825              : {
    1826         1298 :   stmtblock_t loop;
    1827         1298 :   tree type, desc, dim_arg, cond, tmp, m, loop_var, exit_label, min_var, lbound,
    1828              :     ubound, extent, ml, team;
    1829         1298 :   gfc_se argse;
    1830         1298 :   int rank, corank;
    1831              : 
    1832              :   /* The case -fcoarray=single is handled elsewhere.  */
    1833         1298 :   gcc_assert (flag_coarray != GFC_FCOARRAY_SINGLE);
    1834              : 
    1835              :   /* Translate team, if present.  */
    1836         1298 :   if (expr->value.function.actual->next->next->expr)
    1837              :     {
    1838           18 :       gfc_init_se (&argse, NULL);
    1839           18 :       gfc_conv_expr_val (&argse, expr->value.function.actual->next->next->expr);
    1840           18 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    1841           18 :       gfc_add_block_to_block (&se->post, &argse.post);
    1842           18 :       team = fold_convert (pvoid_type_node, argse.expr);
    1843              :     }
    1844              :   else
    1845         1280 :     team = null_pointer_node;
    1846              : 
    1847              :   /* Argument-free version: THIS_IMAGE().  */
    1848         1298 :   if (expr->value.function.actual->expr == NULL)
    1849              :     {
    1850          980 :       tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_this_image, 1,
    1851              :                                  team);
    1852          980 :       se->expr = fold_convert (gfc_get_int_type (gfc_default_integer_kind),
    1853              :                                tmp);
    1854          988 :       return;
    1855              :     }
    1856              : 
    1857              :   /* Coarray-argument version: THIS_IMAGE(coarray [, dim]).  */
    1858              : 
    1859          318 :   type = gfc_get_int_type (gfc_default_integer_kind);
    1860          318 :   corank = expr->value.function.actual->expr->corank;
    1861          318 :   rank = expr->value.function.actual->expr->rank;
    1862              : 
    1863              :   /* Obtain the descriptor of the COARRAY.  */
    1864          318 :   gfc_init_se (&argse, NULL);
    1865          318 :   argse.want_coarray = 1;
    1866          318 :   gfc_conv_expr_descriptor (&argse, expr->value.function.actual->expr);
    1867          318 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    1868          318 :   gfc_add_block_to_block (&se->post, &argse.post);
    1869          318 :   desc = argse.expr;
    1870              : 
    1871          318 :   if (se->ss)
    1872              :     {
    1873              :       /* Create an implicit second parameter from the loop variable.  */
    1874           70 :       gcc_assert (!expr->value.function.actual->next->expr);
    1875           70 :       gcc_assert (corank > 0);
    1876           70 :       gcc_assert (se->loop->dimen == 1);
    1877           70 :       gcc_assert (se->ss->info->expr == expr);
    1878              : 
    1879           70 :       dim_arg = fold_convert_loc (input_location, gfc_array_dim_rank_type,
    1880              :                                   se->loop->loopvar[0]);
    1881           70 :       dim_arg = fold_build2_loc (input_location, PLUS_EXPR,
    1882              :                                  gfc_array_dim_rank_type, dim_arg,
    1883              :                                  gfc_rank_cst[1]);
    1884           70 :       gfc_advance_se_ss_chain (se);
    1885              :     }
    1886              :   else
    1887              :     {
    1888              :       /* Use the passed DIM= argument.  */
    1889          248 :       gcc_assert (expr->value.function.actual->next->expr);
    1890          248 :       gfc_init_se (&argse, NULL);
    1891          248 :       gfc_conv_expr_type (&argse, expr->value.function.actual->next->expr,
    1892              :                           gfc_array_dim_rank_type);
    1893          248 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    1894          248 :       dim_arg = argse.expr;
    1895              : 
    1896          248 :       if (INTEGER_CST_P (dim_arg))
    1897              :         {
    1898          132 :           if (wi::ltu_p (wi::to_wide (dim_arg), 1)
    1899          264 :               || wi::gtu_p (wi::to_wide (dim_arg),
    1900          132 :                             GFC_TYPE_ARRAY_CORANK (TREE_TYPE (desc))))
    1901            0 :             gfc_error ("%<dim%> argument of %s intrinsic at %L is not a valid "
    1902            0 :                        "dimension index", expr->value.function.isym->name,
    1903              :                        &expr->where);
    1904              :         }
    1905          116 :      else if (gfc_option.rtcheck & GFC_RTCHECK_BOUNDS)
    1906              :         {
    1907            0 :           dim_arg = gfc_evaluate_now (dim_arg, &se->pre);
    1908            0 :           cond = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    1909              :                                   dim_arg, gfc_rank_cst[1]);
    1910            0 :           tmp = gfc_rank_cst[GFC_TYPE_ARRAY_CORANK (TREE_TYPE (desc))];
    1911            0 :           tmp = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    1912              :                                  dim_arg, tmp);
    1913            0 :           cond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    1914              :                                   logical_type_node, cond, tmp);
    1915            0 :           gfc_trans_runtime_check (true, false, cond, &se->pre, &expr->where,
    1916              :                                    gfc_msg_fault);
    1917              :         }
    1918              :     }
    1919              : 
    1920              :   /* Used algorithm; cf. Fortran 2008, C.10. Note, due to the scalarizer,
    1921              :      one always has a dim_arg argument.
    1922              : 
    1923              :      m = this_image() - 1
    1924              :      if (corank == 1)
    1925              :        {
    1926              :          sub(1) = m + lcobound(corank)
    1927              :          return;
    1928              :        }
    1929              :      i = rank
    1930              :      min_var = min (rank + corank - 2, rank + dim_arg - 1)
    1931              :      for (;;)
    1932              :        {
    1933              :          extent = gfc_extent(i)
    1934              :          ml = m
    1935              :          m  = m/extent
    1936              :          if (i >= min_var)
    1937              :            goto exit_label
    1938              :          i++
    1939              :        }
    1940              :      exit_label:
    1941              :      sub(dim_arg) = (dim_arg < corank) ? ml - m*extent + lcobound(dim_arg)
    1942              :                                        : m + lcobound(corank)
    1943              :   */
    1944              : 
    1945              :   /* this_image () - 1.  */
    1946          318 :   tmp
    1947          318 :     = build_call_expr_loc (input_location, gfor_fndecl_caf_this_image, 1, team);
    1948          318 :   tmp = fold_build2_loc (input_location, MINUS_EXPR, type,
    1949              :                          fold_convert (type, tmp), build_int_cst (type, 1));
    1950          318 :   if (corank == 1)
    1951              :     {
    1952              :       /* sub(1) = m + lcobound(corank).  */
    1953            8 :       lbound = gfc_conv_descriptor_lbound_get (desc,
    1954            8 :                         build_int_cst (TREE_TYPE (gfc_array_index_type),
    1955            8 :                                        corank+rank-1));
    1956            8 :       lbound = fold_convert (type, lbound);
    1957            8 :       tmp = fold_build2_loc (input_location, PLUS_EXPR, type, tmp, lbound);
    1958              : 
    1959            8 :       se->expr = tmp;
    1960            8 :       return;
    1961              :     }
    1962              : 
    1963          310 :   m = gfc_create_var (type, NULL);
    1964          310 :   ml = gfc_create_var (type, NULL);
    1965          310 :   loop_var = gfc_create_var (gfc_array_dim_rank_type, NULL);
    1966          310 :   min_var = gfc_create_var (gfc_array_dim_rank_type, NULL);
    1967              : 
    1968              :   /* m = this_image () - 1.  */
    1969          310 :   gfc_add_modify (&se->pre, m, tmp);
    1970              : 
    1971              :   /* min_var = min (rank + corank-2, rank + dim_arg - 1).  */
    1972          310 :   tmp = fold_build2_loc (input_location, PLUS_EXPR, signed_char_type_node,
    1973              :                          fold_convert_loc (input_location,
    1974              :                                            signed_char_type_node, dim_arg),
    1975          310 :                          build_int_cst (signed_char_type_node, rank - 1));
    1976          310 :   tmp = fold_convert_loc (input_location, gfc_array_dim_rank_type, tmp);
    1977          620 :   tmp = fold_build2_loc (input_location, MIN_EXPR, gfc_array_dim_rank_type,
    1978          310 :                          gfc_rank_cst[rank + corank - 2], tmp);
    1979          310 :   gfc_add_modify (&se->pre, min_var, tmp);
    1980              : 
    1981              :   /* i = rank.  */
    1982          310 :   tmp = gfc_rank_cst[rank];
    1983          310 :   gfc_add_modify (&se->pre, loop_var, tmp);
    1984              : 
    1985          310 :   exit_label = gfc_build_label_decl (NULL_TREE);
    1986          310 :   TREE_USED (exit_label) = 1;
    1987              : 
    1988              :   /* Loop body.  */
    1989          310 :   gfc_init_block (&loop);
    1990              : 
    1991              :   /* ml = m.  */
    1992          310 :   gfc_add_modify (&loop, ml, m);
    1993              : 
    1994              :   /* extent = ...  */
    1995          310 :   lbound = gfc_conv_descriptor_lbound_get (desc, loop_var);
    1996          310 :   ubound = gfc_conv_descriptor_ubound_get (desc, loop_var);
    1997          310 :   extent = gfc_conv_array_extent_dim (lbound, ubound, NULL);
    1998          310 :   extent = fold_convert (type, extent);
    1999              : 
    2000              :   /* m = m/extent.  */
    2001          310 :   gfc_add_modify (&loop, m,
    2002              :                   fold_build2_loc (input_location, TRUNC_DIV_EXPR, type,
    2003              :                           m, extent));
    2004              : 
    2005              :   /* Exit condition:  if (i >= min_var) goto exit_label.  */
    2006          310 :   cond = fold_build2_loc (input_location, GE_EXPR, logical_type_node, loop_var,
    2007              :                   min_var);
    2008          310 :   tmp = build1_v (GOTO_EXPR, exit_label);
    2009          310 :   tmp = fold_build3_loc (input_location, COND_EXPR, void_type_node, cond, tmp,
    2010              :                          build_empty_stmt (input_location));
    2011          310 :   gfc_add_expr_to_block (&loop, tmp);
    2012              : 
    2013              :   /* Increment loop variable: i++.  */
    2014          310 :   gfc_add_modify (&loop, loop_var,
    2015              :                   fold_build2_loc (input_location, PLUS_EXPR,
    2016          310 :                                    TREE_TYPE (loop_var), loop_var,
    2017              :                                    gfc_rank_cst[1]));
    2018              : 
    2019              :   /* Making the loop... actually loop!  */
    2020          310 :   tmp = gfc_finish_block (&loop);
    2021          310 :   tmp = build1_v (LOOP_EXPR, tmp);
    2022          310 :   gfc_add_expr_to_block (&se->pre, tmp);
    2023              : 
    2024              :   /* The exit label.  */
    2025          310 :   tmp = build1_v (LABEL_EXPR, exit_label);
    2026          310 :   gfc_add_expr_to_block (&se->pre, tmp);
    2027              : 
    2028              :   /*  sub(co_dim) = (co_dim < corank) ? ml - m*extent + lcobound(dim_arg)
    2029              :                                       : m + lcobound(corank) */
    2030              : 
    2031          310 :   cond = fold_build2_loc (input_location, LT_EXPR, logical_type_node, dim_arg,
    2032          310 :                           build_int_cst (TREE_TYPE (dim_arg), corank));
    2033              : 
    2034          620 :   lbound = gfc_conv_descriptor_lbound_get (desc,
    2035              :                 fold_build2_loc (input_location, PLUS_EXPR,
    2036          310 :                                  TREE_TYPE (dim_arg), dim_arg,
    2037          310 :                                  build_int_cst (TREE_TYPE (dim_arg), rank-1)));
    2038          310 :   lbound = fold_convert (type, lbound);
    2039              : 
    2040          310 :   tmp = fold_build2_loc (input_location, MINUS_EXPR, type, ml,
    2041              :                          fold_build2_loc (input_location, MULT_EXPR, type,
    2042              :                                           m, extent));
    2043          310 :   tmp = fold_build2_loc (input_location, PLUS_EXPR, type, tmp, lbound);
    2044              : 
    2045          310 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, cond, tmp,
    2046              :                               fold_build2_loc (input_location, PLUS_EXPR, type,
    2047              :                                                m, lbound));
    2048              : }
    2049              : 
    2050              : 
    2051              : /* Convert a call to image_status.  */
    2052              : 
    2053              : static void
    2054           25 : conv_intrinsic_image_status (gfc_se *se, gfc_expr *expr)
    2055              : {
    2056           25 :   unsigned int num_args;
    2057           25 :   tree *args, tmp;
    2058              : 
    2059           25 :   num_args = gfc_intrinsic_argument_list_length (expr);
    2060           25 :   args = XALLOCAVEC (tree, num_args);
    2061           25 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
    2062              :   /* In args[0] the number of the image the status is desired for has to be
    2063              :      given.  */
    2064              : 
    2065           25 :   if (flag_coarray == GFC_FCOARRAY_SINGLE)
    2066              :     {
    2067            0 :       tree arg;
    2068            0 :       arg = gfc_evaluate_now (args[0], &se->pre);
    2069            0 :       tmp = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    2070              :                              fold_convert (integer_type_node, arg),
    2071              :                              integer_one_node);
    2072            0 :       tmp = fold_build3_loc (input_location, COND_EXPR, integer_type_node,
    2073              :                              tmp, integer_zero_node,
    2074              :                              build_int_cst (integer_type_node,
    2075              :                                             GFC_STAT_STOPPED_IMAGE));
    2076              :     }
    2077           25 :   else if (flag_coarray == GFC_FCOARRAY_LIB)
    2078              :     /* The team is optional and therefore needs to be a pointer to the opaque
    2079              :        pointer.  */
    2080           29 :     tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_image_status, 2,
    2081              :                                args[0],
    2082              :                                num_args < 2
    2083              :                                  ? null_pointer_node
    2084            4 :                                  : gfc_build_addr_expr (NULL_TREE, args[1]));
    2085              :   else
    2086            0 :     gcc_unreachable ();
    2087              : 
    2088           25 :   se->expr = fold_convert (gfc_get_int_type (gfc_default_integer_kind), tmp);
    2089           25 : }
    2090              : 
    2091              : static void
    2092           21 : conv_intrinsic_team_number (gfc_se *se, gfc_expr *expr)
    2093              : {
    2094           21 :   unsigned int num_args;
    2095              : 
    2096           21 :   tree *args, tmp;
    2097              : 
    2098           21 :   num_args = gfc_intrinsic_argument_list_length (expr);
    2099           21 :   args = XALLOCAVEC (tree, num_args);
    2100           21 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
    2101              : 
    2102           21 :   if (flag_coarray ==
    2103           18 :       GFC_FCOARRAY_SINGLE && expr->value.function.actual->expr)
    2104            0 :     tmp = gfc_evaluate_now (args[0], &se->pre);
    2105           21 :   else if (flag_coarray == GFC_FCOARRAY_SINGLE)
    2106              :     {
    2107              :       // the value -1 represents that no team has been created yet
    2108           18 :       tmp = build_int_cst (integer_type_node, -1);
    2109              :     }
    2110            3 :   else if (flag_coarray == GFC_FCOARRAY_LIB && expr->value.function.actual->expr)
    2111            0 :     tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_team_number, 1,
    2112              :                                args[0]);
    2113            3 :   else if (flag_coarray == GFC_FCOARRAY_LIB)
    2114            3 :     tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_team_number, 1,
    2115              :                                null_pointer_node);
    2116              :   else
    2117            0 :     gcc_unreachable ();
    2118              : 
    2119           21 :   se->expr = fold_convert (gfc_get_int_type (gfc_default_integer_kind), tmp);
    2120           21 : }
    2121              : 
    2122              : 
    2123              : static void
    2124          193 : trans_image_index (gfc_se * se, gfc_expr *expr)
    2125              : {
    2126          193 :   tree num_images, cond, coindex, type, lbound, ubound, desc, subdesc, tmp,
    2127          193 :     invalid_bound, team = null_pointer_node, team_number = null_pointer_node;
    2128          193 :   gfc_se argse, subse;
    2129          193 :   int rank, corank, codim;
    2130              : 
    2131          193 :   type = gfc_get_int_type (gfc_default_integer_kind);
    2132          193 :   corank = expr->value.function.actual->expr->corank;
    2133          193 :   rank = expr->value.function.actual->expr->rank;
    2134              : 
    2135              :   /* Obtain the descriptor of the COARRAY.  */
    2136          193 :   gfc_init_se (&argse, NULL);
    2137          193 :   argse.want_coarray = 1;
    2138          193 :   gfc_conv_expr_descriptor (&argse, expr->value.function.actual->expr);
    2139          193 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    2140          193 :   gfc_add_block_to_block (&se->post, &argse.post);
    2141          193 :   desc = argse.expr;
    2142              : 
    2143              :   /* Obtain a handle to the SUB argument.  */
    2144          193 :   gfc_init_se (&subse, NULL);
    2145          193 :   gfc_conv_expr_descriptor (&subse, expr->value.function.actual->next->expr);
    2146          193 :   gfc_add_block_to_block (&se->pre, &subse.pre);
    2147          193 :   gfc_add_block_to_block (&se->post, &subse.post);
    2148          193 :   subdesc = build_fold_indirect_ref_loc (input_location,
    2149              :                         gfc_conv_descriptor_data_get (subse.expr));
    2150              : 
    2151          193 :   if (expr->value.function.actual->next->next->expr)
    2152              :     {
    2153            0 :       gfc_init_se (&argse, NULL);
    2154            0 :       gfc_conv_expr_descriptor (&argse,
    2155            0 :                                 expr->value.function.actual->next->next->expr);
    2156            0 :       if (expr->value.function.actual->next->next->expr->ts.type == BT_DERIVED)
    2157            0 :         team = argse.expr;
    2158              :       else
    2159            0 :         team_number = gfc_build_addr_expr (
    2160              :           NULL_TREE,
    2161              :           gfc_trans_force_lval (&argse.pre,
    2162              :                                 fold_convert (integer_type_node, argse.expr)));
    2163            0 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    2164            0 :       gfc_add_block_to_block (&se->post, &argse.post);
    2165              :     }
    2166              : 
    2167              :   /* Fortran 2008 does not require that the values remain in the cobounds,
    2168              :      thus we need explicitly check this - and return 0 if they are exceeded.  */
    2169              : 
    2170          193 :   lbound = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[rank+corank-1]);
    2171          193 :   tmp = gfc_build_array_ref (subdesc, gfc_rank_cst[corank-1], NULL);
    2172          193 :   invalid_bound = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    2173              :                                  fold_convert (gfc_array_index_type, tmp),
    2174              :                                  lbound);
    2175              : 
    2176          443 :   for (codim = corank + rank - 2; codim >= rank; codim--)
    2177              :     {
    2178          250 :       lbound = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[codim]);
    2179          250 :       ubound = gfc_conv_descriptor_ubound_get (desc, gfc_rank_cst[codim]);
    2180          250 :       tmp = gfc_build_array_ref (subdesc, gfc_rank_cst[codim-rank], NULL);
    2181          250 :       cond = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    2182              :                               fold_convert (gfc_array_index_type, tmp),
    2183              :                               lbound);
    2184          250 :       invalid_bound = fold_build2_loc (input_location, TRUTH_OR_EXPR,
    2185              :                                        logical_type_node, invalid_bound, cond);
    2186          250 :       cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    2187              :                               fold_convert (gfc_array_index_type, tmp),
    2188              :                               ubound);
    2189          250 :       invalid_bound = fold_build2_loc (input_location, TRUTH_OR_EXPR,
    2190              :                                        logical_type_node, invalid_bound, cond);
    2191              :     }
    2192              : 
    2193          193 :   invalid_bound = gfc_unlikely (invalid_bound, PRED_FORTRAN_INVALID_BOUND);
    2194              : 
    2195              :   /* See Fortran 2008, C.10 for the following algorithm.  */
    2196              : 
    2197              :   /* coindex = sub(corank) - lcobound(n).  */
    2198          193 :   coindex = fold_convert (gfc_array_index_type,
    2199              :                           gfc_build_array_ref (subdesc, gfc_rank_cst[corank-1],
    2200              :                                                NULL));
    2201          193 :   lbound = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[rank+corank-1]);
    2202          193 :   coindex = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
    2203              :                              fold_convert (gfc_array_index_type, coindex),
    2204              :                              lbound);
    2205              : 
    2206          443 :   for (codim = corank + rank - 2; codim >= rank; codim--)
    2207              :     {
    2208          250 :       tree extent, ubound;
    2209              : 
    2210              :       /* coindex = coindex*extent(codim) + sub(codim) - lcobound(codim).  */
    2211          250 :       lbound = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[codim]);
    2212          250 :       ubound = gfc_conv_descriptor_ubound_get (desc, gfc_rank_cst[codim]);
    2213          250 :       extent = gfc_conv_array_extent_dim (lbound, ubound, NULL);
    2214              : 
    2215              :       /* coindex *= extent.  */
    2216          250 :       coindex = fold_build2_loc (input_location, MULT_EXPR,
    2217              :                                  gfc_array_index_type, coindex, extent);
    2218              : 
    2219              :       /* coindex += sub(codim).  */
    2220          250 :       tmp = gfc_build_array_ref (subdesc, gfc_rank_cst[codim-rank], NULL);
    2221          250 :       coindex = fold_build2_loc (input_location, PLUS_EXPR,
    2222              :                                  gfc_array_index_type, coindex,
    2223              :                                  fold_convert (gfc_array_index_type, tmp));
    2224              : 
    2225              :       /* coindex -= lbound(codim).  */
    2226          250 :       lbound = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[codim]);
    2227          250 :       coindex = fold_build2_loc (input_location, MINUS_EXPR,
    2228              :                                  gfc_array_index_type, coindex, lbound);
    2229              :     }
    2230              : 
    2231          193 :   coindex = fold_build2_loc (input_location, PLUS_EXPR, type,
    2232              :                              fold_convert(type, coindex),
    2233              :                              build_int_cst (type, 1));
    2234              : 
    2235              :   /* Return 0 if "coindex" exceeds num_images().  */
    2236              : 
    2237          193 :   if (flag_coarray == GFC_FCOARRAY_SINGLE)
    2238          108 :     num_images = build_int_cst (type, 1);
    2239              :   else
    2240              :     {
    2241           85 :       tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_num_images, 2,
    2242              :                                  team, team_number);
    2243           85 :       num_images = fold_convert (type, tmp);
    2244              :     }
    2245              : 
    2246          193 :   tmp = gfc_create_var (type, NULL);
    2247          193 :   gfc_add_modify (&se->pre, tmp, coindex);
    2248              : 
    2249          193 :   cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node, tmp,
    2250              :                           num_images);
    2251          193 :   cond = fold_build2_loc (input_location, TRUTH_OR_EXPR, logical_type_node,
    2252              :                           cond,
    2253              :                           fold_convert (logical_type_node, invalid_bound));
    2254          193 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, cond,
    2255              :                               build_int_cst (type, 0), tmp);
    2256          193 : }
    2257              : 
    2258              : static void
    2259          810 : trans_num_images (gfc_se * se, gfc_expr *expr)
    2260              : {
    2261          810 :   tree tmp, team = null_pointer_node, team_number = null_pointer_node;
    2262          810 :   gfc_se argse;
    2263              : 
    2264          810 :   if (expr->value.function.actual->expr)
    2265              :     {
    2266           18 :       gfc_init_se (&argse, NULL);
    2267           18 :       gfc_conv_expr_val (&argse, expr->value.function.actual->expr);
    2268           18 :       if (expr->value.function.actual->expr->ts.type == BT_DERIVED)
    2269            6 :         team = argse.expr;
    2270              :       else
    2271           12 :         team_number = gfc_build_addr_expr (
    2272              :           NULL_TREE,
    2273              :           gfc_trans_force_lval (&se->pre,
    2274              :                                 fold_convert (integer_type_node, argse.expr)));
    2275           18 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    2276           18 :       gfc_add_block_to_block (&se->post, &argse.post);
    2277              :     }
    2278              : 
    2279          810 :   tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_num_images, 2,
    2280              :                              team, team_number);
    2281          810 :   se->expr = fold_convert (gfc_get_int_type (gfc_default_integer_kind), tmp);
    2282          810 : }
    2283              : 
    2284              : 
    2285              : static void
    2286        13016 : gfc_conv_intrinsic_rank (gfc_se *se, gfc_expr *expr)
    2287              : {
    2288        13016 :   gfc_se argse;
    2289              : 
    2290        13016 :   gfc_init_se (&argse, NULL);
    2291        13016 :   argse.data_not_needed = 1;
    2292        13016 :   argse.descriptor_only = 1;
    2293              : 
    2294        13016 :   gfc_conv_expr_descriptor (&argse, expr->value.function.actual->expr);
    2295        13016 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    2296        13016 :   gfc_add_block_to_block (&se->post, &argse.post);
    2297              : 
    2298        13016 :   se->expr = gfc_conv_descriptor_rank (argse.expr);
    2299        13016 :   se->expr = fold_convert (gfc_get_int_type (gfc_default_integer_kind),
    2300              :                            se->expr);
    2301        13016 : }
    2302              : 
    2303              : 
    2304              : static void
    2305          735 : gfc_conv_intrinsic_is_contiguous (gfc_se * se, gfc_expr * expr)
    2306              : {
    2307          735 :   gfc_expr *arg;
    2308          735 :   arg = expr->value.function.actual->expr;
    2309          735 :   gfc_conv_is_contiguous_expr (se, arg);
    2310          735 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), se->expr);
    2311          735 : }
    2312              : 
    2313              : /* This function does the work for gfc_conv_intrinsic_is_contiguous,
    2314              :    plus it can be called directly.  */
    2315              : 
    2316              : void
    2317         2077 : gfc_conv_is_contiguous_expr (gfc_se *se, gfc_expr *arg)
    2318              : {
    2319         2077 :   gfc_ss *ss;
    2320         2077 :   gfc_se argse;
    2321         2077 :   tree desc, tmp, stride, extent, cond;
    2322         2077 :   int i;
    2323         2077 :   tree fncall0;
    2324         2077 :   gfc_array_spec *as;
    2325         2077 :   gfc_symbol *sym = NULL;
    2326              : 
    2327         2077 :   if (arg->ts.type == BT_CLASS)
    2328           90 :     gfc_add_class_array_ref (arg);
    2329              : 
    2330         2077 :   if (arg->expr_type == EXPR_VARIABLE)
    2331         2041 :     sym = arg->symtree->n.sym;
    2332              : 
    2333         2077 :   ss = gfc_walk_expr (arg);
    2334         2077 :   gcc_assert (ss != gfc_ss_terminator);
    2335         2077 :   gfc_init_se (&argse, NULL);
    2336         2077 :   argse.data_not_needed = 1;
    2337         2077 :   gfc_conv_expr_descriptor (&argse, arg);
    2338              : 
    2339         2077 :   as = gfc_get_full_arrayspec_from_expr (arg);
    2340              : 
    2341              :   /* Create:  stride[0] == 1 && stride[1] == extend[0]*stride[0] && ...
    2342              :      Note in addition that zero-sized arrays don't count as contiguous.  */
    2343              : 
    2344         2077 :   if (as && as->type == AS_ASSUMED_RANK)
    2345              :     {
    2346              :       /* Build the call to is_contiguous0.  */
    2347          243 :       argse.want_pointer = 1;
    2348          243 :       gfc_conv_expr_descriptor (&argse, arg);
    2349          243 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    2350          243 :       gfc_add_block_to_block (&se->post, &argse.post);
    2351          243 :       desc = gfc_evaluate_now (argse.expr, &se->pre);
    2352          243 :       fncall0 = build_call_expr_loc (input_location,
    2353              :                                      gfor_fndecl_is_contiguous0, 1, desc);
    2354          243 :       se->expr = fncall0;
    2355          243 :       se->expr = convert (boolean_type_node, se->expr);
    2356              :     }
    2357              :   else
    2358              :     {
    2359         1834 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    2360         1834 :       gfc_add_block_to_block (&se->post, &argse.post);
    2361         1834 :       desc = gfc_evaluate_now (argse.expr, &se->pre);
    2362              : 
    2363         1834 :       stride = gfc_conv_descriptor_stride_get (desc, gfc_rank_cst[0]);
    2364         1834 :       cond = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node,
    2365         1834 :                               stride, build_int_cst (TREE_TYPE (stride), 1));
    2366              : 
    2367         2157 :       for (i = 0; i < arg->rank - 1; i++)
    2368              :         {
    2369          323 :           tmp = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[i]);
    2370          323 :           extent = gfc_conv_descriptor_ubound_get (desc, gfc_rank_cst[i]);
    2371          323 :           extent = fold_build2_loc (input_location, MINUS_EXPR,
    2372              :                                     gfc_array_index_type, extent, tmp);
    2373          323 :           extent = fold_build2_loc (input_location, PLUS_EXPR,
    2374              :                                     gfc_array_index_type, extent,
    2375              :                                     gfc_index_one_node);
    2376          323 :           tmp = gfc_conv_descriptor_stride_get (desc, gfc_rank_cst[i]);
    2377          323 :           tmp = fold_build2_loc (input_location, MULT_EXPR, TREE_TYPE (tmp),
    2378              :                                  tmp, extent);
    2379          323 :           stride = gfc_conv_descriptor_stride_get (desc, gfc_rank_cst[i+1]);
    2380          323 :           tmp = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node,
    2381              :                                  stride, tmp);
    2382          323 :           cond = fold_build2_loc (input_location, TRUTH_AND_EXPR,
    2383              :                                   boolean_type_node, cond, tmp);
    2384              :         }
    2385         1834 :       se->expr = cond;
    2386              :     }
    2387              : 
    2388              :   /* A pointer that does not have the CONTIGUOUS attribute needs to be checked
    2389              :      if it points to an array whose span differs from the element size.  */
    2390         2077 :   if (as && sym && IS_POINTER(sym) && !sym->attr.contiguous)
    2391              :     {
    2392          180 :       tree span = gfc_conv_descriptor_span_get (desc);
    2393          180 :       tmp = fold_convert (TREE_TYPE (span),
    2394              :                           gfc_conv_descriptor_elem_len (desc));
    2395          180 :       cond = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node,
    2396              :                               span, tmp);
    2397          180 :       se->expr = fold_build2_loc (input_location, TRUTH_ANDIF_EXPR,
    2398              :                                   boolean_type_node, cond,
    2399              :                                   convert (boolean_type_node, se->expr));
    2400              :     }
    2401              : 
    2402         2077 :   gfc_free_ss_chain (ss);
    2403         2077 : }
    2404              : 
    2405              : 
    2406              : /* Evaluate a single upper or lower bound.  */
    2407              : /* TODO: bound intrinsic generates way too much unnecessary code.  */
    2408              : 
    2409              : static void
    2410        16297 : gfc_conv_intrinsic_bound (gfc_se * se, gfc_expr * expr, enum gfc_isym_id op)
    2411              : {
    2412        16297 :   gfc_actual_arglist *arg;
    2413        16297 :   gfc_actual_arglist *arg2;
    2414        16297 :   tree desc;
    2415        16297 :   tree type;
    2416        16297 :   tree bound;
    2417        16297 :   tree tmp;
    2418        16297 :   tree cond, cond1;
    2419        16297 :   tree ubound;
    2420        16297 :   tree lbound;
    2421        16297 :   tree size;
    2422        16297 :   gfc_se argse;
    2423        16297 :   gfc_array_spec * as;
    2424        16297 :   bool assumed_rank_lb_one;
    2425              : 
    2426        16297 :   arg = expr->value.function.actual;
    2427        16297 :   arg2 = arg->next;
    2428              : 
    2429        16297 :   if (se->ss)
    2430              :     {
    2431              :       /* Create an implicit second parameter from the loop variable.  */
    2432         7992 :       gcc_assert (!arg2->expr || op == GFC_ISYM_SHAPE);
    2433         7992 :       gcc_assert (se->loop->dimen == 1);
    2434         7992 :       gcc_assert (se->ss->info->expr == expr);
    2435         7992 :       gfc_advance_se_ss_chain (se);
    2436         7992 :       bound = se->loop->loopvar[0];
    2437         7992 :       bound = fold_build2_loc (input_location, MINUS_EXPR,
    2438              :                                gfc_array_index_type, bound,
    2439              :                                se->loop->from[0]);
    2440         7992 :       bound = fold_convert_loc (input_location, gfc_array_dim_rank_type,
    2441              :                                 bound);
    2442              :     }
    2443              :   else
    2444              :     {
    2445              :       /* use the passed argument.  */
    2446         8305 :       gcc_assert (arg2->expr);
    2447         8305 :       gfc_init_se (&argse, NULL);
    2448         8305 :       gfc_conv_expr_type (&argse, arg2->expr, gfc_array_dim_rank_type);
    2449         8305 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    2450         8305 :       bound = argse.expr;
    2451              :       /* Convert from one based to zero based.  */
    2452         8305 :       bound = fold_build2_loc (input_location, MINUS_EXPR,
    2453              :                                gfc_array_dim_rank_type, bound,
    2454              :                                gfc_rank_cst[1]);
    2455              :     }
    2456              : 
    2457              :   /* TODO: don't re-evaluate the descriptor on each iteration.  */
    2458              :   /* Get a descriptor for the first parameter.  */
    2459        16297 :   gfc_init_se (&argse, NULL);
    2460        16297 :   gfc_conv_expr_descriptor (&argse, arg->expr);
    2461        16297 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    2462        16297 :   gfc_add_block_to_block (&se->post, &argse.post);
    2463              : 
    2464        16297 :   desc = argse.expr;
    2465              : 
    2466        16297 :   as = gfc_get_full_arrayspec_from_expr (arg->expr);
    2467              : 
    2468        16297 :   if (INTEGER_CST_P (bound))
    2469              :     {
    2470         8185 :       gcc_assert (op != GFC_ISYM_SHAPE);
    2471         7948 :       if (((!as || as->type != AS_ASSUMED_RANK)
    2472         7277 :            && wi::geu_p (wi::to_wide (bound),
    2473         7277 :                          GFC_TYPE_ARRAY_RANK (TREE_TYPE (desc))))
    2474        16370 :           || wi::gtu_p (wi::to_wide (bound), GFC_MAX_DIMENSIONS))
    2475            0 :         gfc_error ("%<dim%> argument of %s intrinsic at %L is not a valid "
    2476              :                    "dimension index",
    2477              :                    (op == GFC_ISYM_UBOUND) ? "UBOUND" : "LBOUND",
    2478              :                    &expr->where);
    2479              :     }
    2480              : 
    2481        16297 :   if (!INTEGER_CST_P (bound) || (as && as->type == AS_ASSUMED_RANK))
    2482              :     {
    2483         9020 :       if (gfc_option.rtcheck & GFC_RTCHECK_BOUNDS)
    2484              :         {
    2485          651 :           bound = gfc_evaluate_now (bound, &se->pre);
    2486          651 :           cond = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    2487              :                                   bound, gfc_rank_cst[0]);
    2488          651 :           if (as && as->type == AS_ASSUMED_RANK)
    2489          546 :             tmp = gfc_conv_descriptor_rank (desc);
    2490              :           else
    2491          105 :             tmp = gfc_rank_cst[GFC_TYPE_ARRAY_RANK (TREE_TYPE (desc))];
    2492          651 :           tmp = fold_build2_loc (input_location, GE_EXPR, logical_type_node,
    2493              :                                  bound, tmp);
    2494          651 :           cond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    2495              :                                   logical_type_node, cond, tmp);
    2496          651 :           gfc_trans_runtime_check (true, false, cond, &se->pre, &expr->where,
    2497              :                                    gfc_msg_fault);
    2498              :         }
    2499              :     }
    2500              : 
    2501              :   /* Take care of the lbound shift for assumed-rank arrays that are
    2502              :      nonallocatable and nonpointers. Those have a lbound of 1.  */
    2503        15713 :   assumed_rank_lb_one = as && as->type == AS_ASSUMED_RANK
    2504        11205 :                         && ((arg->expr->ts.type != BT_CLASS
    2505         1987 :                              && !arg->expr->symtree->n.sym->attr.allocatable
    2506         1644 :                              && !arg->expr->symtree->n.sym->attr.pointer)
    2507          920 :                             || (arg->expr->ts.type == BT_CLASS
    2508          198 :                              && !CLASS_DATA (arg->expr)->attr.allocatable
    2509          162 :                              && !CLASS_DATA (arg->expr)->attr.class_pointer));
    2510              : 
    2511        16297 :   ubound = gfc_conv_descriptor_ubound_get (desc, bound);
    2512        16297 :   lbound = gfc_conv_descriptor_lbound_get (desc, bound);
    2513        16297 :   size = fold_build2_loc (input_location, MINUS_EXPR,
    2514              :                           gfc_array_index_type, ubound, lbound);
    2515        16297 :   size = fold_build2_loc (input_location, PLUS_EXPR,
    2516              :                           gfc_array_index_type, size, gfc_index_one_node);
    2517              : 
    2518              :   /* 13.14.53: Result value for LBOUND
    2519              : 
    2520              :      Case (i): For an array section or for an array expression other than a
    2521              :                whole array or array structure component, LBOUND(ARRAY, DIM)
    2522              :                has the value 1.  For a whole array or array structure
    2523              :                component, LBOUND(ARRAY, DIM) has the value:
    2524              :                  (a) equal to the lower bound for subscript DIM of ARRAY if
    2525              :                      dimension DIM of ARRAY does not have extent zero
    2526              :                      or if ARRAY is an assumed-size array of rank DIM,
    2527              :               or (b) 1 otherwise.
    2528              : 
    2529              :      13.14.113: Result value for UBOUND
    2530              : 
    2531              :      Case (i): For an array section or for an array expression other than a
    2532              :                whole array or array structure component, UBOUND(ARRAY, DIM)
    2533              :                has the value equal to the number of elements in the given
    2534              :                dimension; otherwise, it has a value equal to the upper bound
    2535              :                for subscript DIM of ARRAY if dimension DIM of ARRAY does
    2536              :                not have size zero and has value zero if dimension DIM has
    2537              :                size zero.  */
    2538              : 
    2539        16297 :   if (op == GFC_ISYM_LBOUND && assumed_rank_lb_one)
    2540          556 :     se->expr = gfc_index_one_node;
    2541        15741 :   else if (as)
    2542              :     {
    2543        15157 :       if (op == GFC_ISYM_UBOUND)
    2544              :         {
    2545         5407 :           cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    2546              :                                   size, gfc_index_zero_node);
    2547        10186 :           se->expr = fold_build3_loc (input_location, COND_EXPR,
    2548              :                                       gfc_array_index_type, cond,
    2549              :                                       (assumed_rank_lb_one ? size : ubound),
    2550              :                                       gfc_index_zero_node);
    2551              :         }
    2552         9750 :       else if (op == GFC_ISYM_LBOUND)
    2553              :         {
    2554         4903 :           cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    2555              :                                   size, gfc_index_zero_node);
    2556         4903 :           if (as->type == AS_ASSUMED_SIZE)
    2557              :             {
    2558           98 :               cond1 = fold_build2_loc (input_location, EQ_EXPR,
    2559              :                                        logical_type_node, bound,
    2560           98 :                                        build_int_cst (TREE_TYPE (bound),
    2561           98 :                                                       arg->expr->rank - 1));
    2562           98 :               cond = fold_build2_loc (input_location, TRUTH_OR_EXPR,
    2563              :                                       logical_type_node, cond, cond1);
    2564              :             }
    2565         4903 :           se->expr = fold_build3_loc (input_location, COND_EXPR,
    2566              :                                       gfc_array_index_type, cond,
    2567              :                                       lbound, gfc_index_one_node);
    2568              :         }
    2569         4847 :       else if (op == GFC_ISYM_SHAPE)
    2570         4847 :         se->expr = fold_build2_loc (input_location, MAX_EXPR,
    2571              :                                     gfc_array_index_type, size,
    2572              :                                     gfc_index_zero_node);
    2573              :       else
    2574            0 :         gcc_unreachable ();
    2575              : 
    2576              :       /* According to F2018 16.9.172, para 5, an assumed rank object,
    2577              :          argument associated with and assumed size array, has the ubound
    2578              :          of the final dimension set to -1 and UBOUND must return this.
    2579              :          Similarly for the SHAPE intrinsic.  */
    2580        15157 :       if (op != GFC_ISYM_LBOUND && assumed_rank_lb_one)
    2581              :         {
    2582          835 :           tree minus_one = build_int_cst (gfc_array_index_type, -1);
    2583          835 :           tree rank = gfc_conv_descriptor_rank (desc);
    2584          835 :           rank = fold_build2_loc (input_location, MINUS_EXPR,
    2585              :                                   gfc_array_dim_rank_type, rank,
    2586              :                                   gfc_rank_cst[1]);
    2587              : 
    2588              :           /* Fix the expression to stop it from becoming even more
    2589              :              complicated.  */
    2590          835 :           se->expr = gfc_evaluate_now (se->expr, &se->pre);
    2591              : 
    2592              :           /* Descriptors for assumed-size arrays have ubound = -1
    2593              :              in the last dimension.  */
    2594          835 :           cond1 = fold_build2_loc (input_location, EQ_EXPR,
    2595              :                                    logical_type_node, ubound, minus_one);
    2596          835 :           cond = fold_build2_loc (input_location, EQ_EXPR,
    2597              :                                   logical_type_node, bound, rank);
    2598          835 :           cond = fold_build2_loc (input_location, TRUTH_AND_EXPR,
    2599              :                                   logical_type_node, cond, cond1);
    2600          835 :           se->expr = fold_build3_loc (input_location, COND_EXPR,
    2601              :                                       gfc_array_index_type, cond,
    2602              :                                       minus_one, se->expr);
    2603              :         }
    2604              :     }
    2605              :   else   /* as is null; this is an old-fashioned 1-based array.  */
    2606              :     {
    2607          584 :       if (op != GFC_ISYM_LBOUND)
    2608              :         {
    2609          482 :           se->expr = fold_build2_loc (input_location, MAX_EXPR,
    2610              :                                       gfc_array_index_type, size,
    2611              :                                       gfc_index_zero_node);
    2612              :         }
    2613              :       else
    2614          102 :         se->expr = gfc_index_one_node;
    2615              :     }
    2616              : 
    2617              : 
    2618        16297 :   type = gfc_typenode_for_spec (&expr->ts);
    2619        16297 :   se->expr = convert (type, se->expr);
    2620        16297 : }
    2621              : 
    2622              : 
    2623              : static void
    2624          666 : conv_intrinsic_cobound (gfc_se * se, gfc_expr * expr)
    2625              : {
    2626          666 :   gfc_actual_arglist *arg;
    2627          666 :   gfc_actual_arglist *arg2;
    2628          666 :   gfc_se argse;
    2629          666 :   tree bound, lbound, resbound, resbound2, desc, cond, tmp;
    2630          666 :   tree type;
    2631          666 :   int corank;
    2632              : 
    2633          666 :   gcc_assert (expr->value.function.isym->id == GFC_ISYM_LCOBOUND
    2634              :               || expr->value.function.isym->id == GFC_ISYM_UCOBOUND
    2635              :               || expr->value.function.isym->id == GFC_ISYM_COSHAPE
    2636              :               || expr->value.function.isym->id == GFC_ISYM_THIS_IMAGE);
    2637              : 
    2638          666 :   arg = expr->value.function.actual;
    2639          666 :   arg2 = arg->next;
    2640              : 
    2641          666 :   gcc_assert (arg->expr->expr_type == EXPR_VARIABLE);
    2642          666 :   corank = arg->expr->corank;
    2643              : 
    2644          666 :   gfc_init_se (&argse, NULL);
    2645          666 :   argse.want_coarray = 1;
    2646              : 
    2647          666 :   gfc_conv_expr_descriptor (&argse, arg->expr);
    2648          666 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    2649          666 :   gfc_add_block_to_block (&se->post, &argse.post);
    2650          666 :   desc = argse.expr;
    2651              : 
    2652          666 :   if (se->ss)
    2653              :     {
    2654              :       /* Create an implicit second parameter from the loop variable.  */
    2655          238 :       gcc_assert (!arg2->expr
    2656              :                   || expr->value.function.isym->id == GFC_ISYM_COSHAPE);
    2657          238 :       gcc_assert (corank > 0);
    2658          238 :       gcc_assert (se->loop->dimen == 1);
    2659          238 :       gcc_assert (se->ss->info->expr == expr);
    2660              : 
    2661          238 :       bound = fold_convert_loc (input_location, gfc_array_dim_rank_type,
    2662              :                                 se->loop->loopvar[0]);
    2663          238 :       tree rank = gfc_rank_cst[arg->expr->rank];
    2664          238 :       bound = fold_build2_loc (input_location, PLUS_EXPR,
    2665              :                                gfc_array_dim_rank_type, bound, rank);
    2666          238 :       gfc_advance_se_ss_chain (se);
    2667              :     }
    2668          428 :   else if (expr->value.function.isym->id == GFC_ISYM_COSHAPE)
    2669            0 :     bound = gfc_rank_cst[1];
    2670              :   else
    2671              :     {
    2672          428 :       gcc_assert (arg2->expr);
    2673          428 :       gfc_init_se (&argse, NULL);
    2674          428 :       gfc_conv_expr_type (&argse, arg2->expr, gfc_array_dim_rank_type);
    2675          428 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    2676          428 :       bound = argse.expr;
    2677              : 
    2678          428 :       if (INTEGER_CST_P (bound))
    2679              :         {
    2680          334 :           if (wi::ltu_p (wi::to_wide (bound), 1)
    2681          668 :               || wi::gtu_p (wi::to_wide (bound),
    2682          334 :                             GFC_TYPE_ARRAY_CORANK (TREE_TYPE (desc))))
    2683            0 :             gfc_error ("%<dim%> argument of %s intrinsic at %L is not a valid "
    2684            0 :                        "dimension index", expr->value.function.isym->name,
    2685              :                        &expr->where);
    2686              :         }
    2687           94 :       else if (gfc_option.rtcheck & GFC_RTCHECK_BOUNDS)
    2688              :         {
    2689           36 :           bound = gfc_evaluate_now (bound, &se->pre);
    2690           36 :           cond = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    2691              :                                   bound, gfc_rank_cst[1]);
    2692           36 :           tree rank = gfc_rank_cst[GFC_TYPE_ARRAY_CORANK (TREE_TYPE (desc))];
    2693           36 :           tmp = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    2694              :                                  bound, rank);
    2695           36 :           cond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    2696              :                                   logical_type_node, cond, tmp);
    2697           36 :           gfc_trans_runtime_check (true, false, cond, &se->pre, &expr->where,
    2698              :                                    gfc_msg_fault);
    2699              :         }
    2700              : 
    2701              : 
    2702              :       /* Subtract 1 to get to zero based and add dimensions.  */
    2703          428 :       switch (arg->expr->rank)
    2704              :         {
    2705           70 :         case 0:
    2706           70 :           bound = fold_build2_loc (input_location, MINUS_EXPR,
    2707              :                                    gfc_array_dim_rank_type, bound,
    2708              :                                    gfc_rank_cst[1]);
    2709              :         case 1:
    2710              :           break;
    2711           38 :         default:
    2712           38 :           {
    2713           38 :             tree rank = gfc_rank_cst[arg->expr->rank - 1];
    2714           38 :             bound = fold_build2_loc (input_location, PLUS_EXPR,
    2715              :                                      gfc_array_dim_rank_type, bound, rank);
    2716              :           }
    2717              :         }
    2718              :     }
    2719              : 
    2720          666 :   resbound = gfc_conv_descriptor_lbound_get (desc, bound);
    2721              : 
    2722              :   /* COSHAPE needs the lower cobound and so it is stashed here before resbound
    2723              :      is overwritten.  */
    2724          666 :   lbound = NULL_TREE;
    2725          666 :   if (expr->value.function.isym->id == GFC_ISYM_COSHAPE)
    2726            4 :     lbound = resbound;
    2727              : 
    2728              :   /* Handle UCOBOUND with special handling of the last codimension.  */
    2729          666 :   if (expr->value.function.isym->id == GFC_ISYM_UCOBOUND
    2730          422 :       || expr->value.function.isym->id == GFC_ISYM_COSHAPE)
    2731              :     {
    2732              :       /* Last codimension: For -fcoarray=single just return
    2733              :          the lcobound - otherwise add
    2734              :            ceiling (real (num_images ()) / real (size)) - 1
    2735              :          = (num_images () + size - 1) / size - 1
    2736              :          = (num_images - 1) / size(),
    2737              :          where size is the product of the extent of all but the last
    2738              :          codimension.  */
    2739              : 
    2740          248 :       if (flag_coarray != GFC_FCOARRAY_SINGLE && corank > 1)
    2741              :         {
    2742           64 :           tree cosize;
    2743              : 
    2744           64 :           cosize = gfc_conv_descriptor_cosize (desc, arg->expr->rank, corank);
    2745           64 :           tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_num_images,
    2746              :                                      2, null_pointer_node, null_pointer_node);
    2747           64 :           tmp = fold_build2_loc (input_location, MINUS_EXPR,
    2748              :                                  gfc_array_index_type,
    2749              :                                  fold_convert (gfc_array_index_type, tmp),
    2750              :                                  build_int_cst (gfc_array_index_type, 1));
    2751           64 :           tmp = fold_build2_loc (input_location, TRUNC_DIV_EXPR,
    2752              :                                  gfc_array_index_type, tmp,
    2753              :                                  fold_convert (gfc_array_index_type, cosize));
    2754           64 :           resbound = fold_build2_loc (input_location, PLUS_EXPR,
    2755              :                                       gfc_array_index_type, resbound, tmp);
    2756           64 :         }
    2757          184 :       else if (flag_coarray != GFC_FCOARRAY_SINGLE)
    2758              :         {
    2759              :           /* ubound = lbound + num_images() - 1.  */
    2760           44 :           tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_num_images,
    2761              :                                      2, null_pointer_node, null_pointer_node);
    2762           44 :           tmp = fold_build2_loc (input_location, MINUS_EXPR,
    2763              :                                  gfc_array_index_type,
    2764              :                                  fold_convert (gfc_array_index_type, tmp),
    2765              :                                  build_int_cst (gfc_array_index_type, 1));
    2766           44 :           resbound = fold_build2_loc (input_location, PLUS_EXPR,
    2767              :                                       gfc_array_index_type, resbound, tmp);
    2768              :         }
    2769              : 
    2770          248 :       if (corank > 1)
    2771              :         {
    2772          171 :           cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    2773              :                                   bound,
    2774          171 :                                   build_int_cst (TREE_TYPE (bound),
    2775          171 :                                                  arg->expr->rank + corank - 1));
    2776              : 
    2777          171 :           resbound2 = gfc_conv_descriptor_ubound_get (desc, bound);
    2778          171 :           se->expr = fold_build3_loc (input_location, COND_EXPR,
    2779              :                                       gfc_array_index_type, cond,
    2780              :                                       resbound, resbound2);
    2781              :         }
    2782              :       else
    2783           77 :         se->expr = resbound;
    2784              : 
    2785              :       /* Get the coshape for this dimension.  */
    2786          248 :       if (expr->value.function.isym->id == GFC_ISYM_COSHAPE)
    2787              :         {
    2788            4 :           gcc_assert (lbound != NULL_TREE);
    2789            4 :           se->expr = fold_build2_loc (input_location, MINUS_EXPR,
    2790              :                                       gfc_array_index_type,
    2791              :                                       se->expr, lbound);
    2792            4 :           se->expr = fold_build2_loc (input_location, PLUS_EXPR,
    2793              :                                       gfc_array_index_type,
    2794              :                                       se->expr, gfc_index_one_node);
    2795              :         }
    2796              :     }
    2797              :   else
    2798          418 :     se->expr = resbound;
    2799              : 
    2800          666 :   type = gfc_typenode_for_spec (&expr->ts);
    2801          666 :   se->expr = convert (type, se->expr);
    2802          666 : }
    2803              : 
    2804              : 
    2805              : static void
    2806         2357 : conv_intrinsic_stride (gfc_se * se, gfc_expr * expr)
    2807              : {
    2808         2357 :   gfc_actual_arglist *array_arg;
    2809         2357 :   gfc_actual_arglist *dim_arg;
    2810         2357 :   gfc_se argse;
    2811         2357 :   tree desc, tmp;
    2812              : 
    2813         2357 :   array_arg = expr->value.function.actual;
    2814         2357 :   dim_arg = array_arg->next;
    2815              : 
    2816         2357 :   gcc_assert (array_arg->expr->expr_type == EXPR_VARIABLE);
    2817              : 
    2818         2357 :   gfc_init_se (&argse, NULL);
    2819         2357 :   gfc_conv_expr_descriptor (&argse, array_arg->expr);
    2820         2357 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    2821         2357 :   gfc_add_block_to_block (&se->post, &argse.post);
    2822         2357 :   desc = argse.expr;
    2823              : 
    2824         2357 :   gcc_assert (dim_arg->expr);
    2825         2357 :   gfc_init_se (&argse, NULL);
    2826         2357 :   gfc_conv_expr_type (&argse, dim_arg->expr, gfc_array_index_type);
    2827         2357 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    2828         2357 :   tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
    2829              :                          argse.expr, gfc_index_one_node);
    2830         2357 :   se->expr = gfc_conv_descriptor_stride_get (desc, tmp);
    2831         2357 : }
    2832              : 
    2833              : static void
    2834         7980 : gfc_conv_intrinsic_abs (gfc_se * se, gfc_expr * expr)
    2835              : {
    2836         7980 :   tree arg, cabs;
    2837              : 
    2838         7980 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    2839              : 
    2840         7980 :   switch (expr->value.function.actual->expr->ts.type)
    2841              :     {
    2842         6974 :     case BT_INTEGER:
    2843         6974 :     case BT_REAL:
    2844         6974 :       se->expr = fold_build1_loc (input_location, ABS_EXPR, TREE_TYPE (arg),
    2845              :                                   arg);
    2846         6974 :       break;
    2847              : 
    2848         1006 :     case BT_COMPLEX:
    2849         1006 :       cabs = gfc_builtin_decl_for_float_kind (BUILT_IN_CABS, expr->ts.kind);
    2850         1006 :       se->expr = build_call_expr_loc (input_location, cabs, 1, arg);
    2851         1006 :       break;
    2852              : 
    2853            0 :     default:
    2854            0 :       gcc_unreachable ();
    2855              :     }
    2856         7980 : }
    2857              : 
    2858              : 
    2859              : /* Create a complex value from one or two real components.  */
    2860              : 
    2861              : static void
    2862          491 : gfc_conv_intrinsic_cmplx (gfc_se * se, gfc_expr * expr, int both)
    2863              : {
    2864          491 :   tree real;
    2865          491 :   tree imag;
    2866          491 :   tree type;
    2867          491 :   tree *args;
    2868          491 :   unsigned int num_args;
    2869              : 
    2870          491 :   num_args = gfc_intrinsic_argument_list_length (expr);
    2871          491 :   args = XALLOCAVEC (tree, num_args);
    2872              : 
    2873          491 :   type = gfc_typenode_for_spec (&expr->ts);
    2874          491 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
    2875          491 :   real = convert (TREE_TYPE (type), args[0]);
    2876          491 :   if (both)
    2877          447 :     imag = convert (TREE_TYPE (type), args[1]);
    2878           44 :   else if (TREE_CODE (TREE_TYPE (args[0])) == COMPLEX_TYPE)
    2879              :     {
    2880           30 :       imag = fold_build1_loc (input_location, IMAGPART_EXPR,
    2881           30 :                               TREE_TYPE (TREE_TYPE (args[0])), args[0]);
    2882           30 :       imag = convert (TREE_TYPE (type), imag);
    2883              :     }
    2884              :   else
    2885           14 :     imag = build_real_from_int_cst (TREE_TYPE (type), integer_zero_node);
    2886              : 
    2887          491 :   se->expr = fold_build2_loc (input_location, COMPLEX_EXPR, type, real, imag);
    2888          491 : }
    2889              : 
    2890              : 
    2891              : /* Remainder function MOD(A, P) = A - INT(A / P) * P
    2892              :                       MODULO(A, P) = A - FLOOR (A / P) * P
    2893              : 
    2894              :    The obvious algorithms above are numerically instable for large
    2895              :    arguments, hence these intrinsics are instead implemented via calls
    2896              :    to the fmod family of functions.  It is the responsibility of the
    2897              :    user to ensure that the second argument is non-zero.  */
    2898              : 
    2899              : static void
    2900         3760 : gfc_conv_intrinsic_mod (gfc_se * se, gfc_expr * expr, int modulo)
    2901              : {
    2902         3760 :   tree type;
    2903         3760 :   tree tmp;
    2904         3760 :   tree test;
    2905         3760 :   tree test2;
    2906         3760 :   tree fmod;
    2907         3760 :   tree zero;
    2908         3760 :   tree args[2];
    2909              : 
    2910         3760 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    2911              : 
    2912         3760 :   switch (expr->ts.type)
    2913              :     {
    2914         3607 :     case BT_INTEGER:
    2915              :       /* Integer case is easy, we've got a builtin op.  */
    2916         3607 :       type = TREE_TYPE (args[0]);
    2917              : 
    2918         3607 :       if (modulo)
    2919          411 :        se->expr = fold_build2_loc (input_location, FLOOR_MOD_EXPR, type,
    2920              :                                    args[0], args[1]);
    2921              :       else
    2922         3196 :        se->expr = fold_build2_loc (input_location, TRUNC_MOD_EXPR, type,
    2923              :                                    args[0], args[1]);
    2924              :       break;
    2925              : 
    2926           30 :     case BT_UNSIGNED:
    2927              :       /* Even easier, we only need one.  */
    2928           30 :       type = TREE_TYPE (args[0]);
    2929           30 :       se->expr = fold_build2_loc (input_location, TRUNC_MOD_EXPR, type,
    2930              :                                   args[0], args[1]);
    2931           30 :       break;
    2932              : 
    2933          123 :     case BT_REAL:
    2934          123 :       fmod = NULL_TREE;
    2935              :       /* Check if we have a builtin fmod.  */
    2936          123 :       fmod = gfc_builtin_decl_for_float_kind (BUILT_IN_FMOD, expr->ts.kind);
    2937              : 
    2938              :       /* The builtin should always be available.  */
    2939          123 :       gcc_assert (fmod != NULL_TREE);
    2940              : 
    2941          123 :       tmp = build_addr (fmod);
    2942          123 :       se->expr = build_call_array_loc (input_location,
    2943          123 :                                        TREE_TYPE (TREE_TYPE (fmod)),
    2944              :                                        tmp, 2, args);
    2945          123 :       if (modulo == 0)
    2946          123 :         return;
    2947              : 
    2948           25 :       type = TREE_TYPE (args[0]);
    2949              : 
    2950           25 :       args[0] = gfc_evaluate_now (args[0], &se->pre);
    2951           25 :       args[1] = gfc_evaluate_now (args[1], &se->pre);
    2952              : 
    2953              :       /* Definition:
    2954              :          modulo = arg - floor (arg/arg2) * arg2
    2955              : 
    2956              :          In order to calculate the result accurately, we use the fmod
    2957              :          function as follows.
    2958              : 
    2959              :          res = fmod (arg, arg2);
    2960              :          if (res)
    2961              :            {
    2962              :              if ((arg < 0) xor (arg2 < 0))
    2963              :                res += arg2;
    2964              :            }
    2965              :          else
    2966              :            res = copysign (0., arg2);
    2967              : 
    2968              :          => As two nested ternary exprs:
    2969              : 
    2970              :          res = res ? (((arg < 0) xor (arg2 < 0)) ? res + arg2 : res)
    2971              :                : copysign (0., arg2);
    2972              : 
    2973              :       */
    2974              : 
    2975           25 :       zero = gfc_build_const (type, integer_zero_node);
    2976           25 :       tmp = gfc_evaluate_now (se->expr, &se->pre);
    2977           25 :       if (!flag_signed_zeros)
    2978              :         {
    2979            1 :           test = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    2980              :                                   args[0], zero);
    2981            1 :           test2 = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    2982              :                                    args[1], zero);
    2983            1 :           test2 = fold_build2_loc (input_location, TRUTH_XOR_EXPR,
    2984              :                                    logical_type_node, test, test2);
    2985            1 :           test = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    2986              :                                   tmp, zero);
    2987            1 :           test = fold_build2_loc (input_location, TRUTH_AND_EXPR,
    2988              :                                   logical_type_node, test, test2);
    2989            1 :           test = gfc_evaluate_now (test, &se->pre);
    2990            1 :           se->expr = fold_build3_loc (input_location, COND_EXPR, type, test,
    2991              :                                       fold_build2_loc (input_location,
    2992              :                                                        PLUS_EXPR,
    2993              :                                                        type, tmp, args[1]),
    2994              :                                       tmp);
    2995              :         }
    2996              :       else
    2997              :         {
    2998           24 :           tree expr1, copysign, cscall;
    2999           24 :           copysign = gfc_builtin_decl_for_float_kind (BUILT_IN_COPYSIGN,
    3000              :                                                       expr->ts.kind);
    3001           24 :           test = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    3002              :                                   args[0], zero);
    3003           24 :           test2 = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    3004              :                                    args[1], zero);
    3005           24 :           test2 = fold_build2_loc (input_location, TRUTH_XOR_EXPR,
    3006              :                                    logical_type_node, test, test2);
    3007           24 :           expr1 = fold_build3_loc (input_location, COND_EXPR, type, test2,
    3008              :                                    fold_build2_loc (input_location,
    3009              :                                                     PLUS_EXPR,
    3010              :                                                     type, tmp, args[1]),
    3011              :                                    tmp);
    3012           24 :           test = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    3013              :                                   tmp, zero);
    3014           24 :           cscall = build_call_expr_loc (input_location, copysign, 2, zero,
    3015              :                                         args[1]);
    3016           24 :           se->expr = fold_build3_loc (input_location, COND_EXPR, type, test,
    3017              :                                       expr1, cscall);
    3018              :         }
    3019              :       return;
    3020              : 
    3021            0 :     default:
    3022            0 :       gcc_unreachable ();
    3023              :     }
    3024              : }
    3025              : 
    3026              : /* DSHIFTL(I,J,S) = (I << S) | (J >> (BITSIZE(J) - S))
    3027              :    DSHIFTR(I,J,S) = (I << (BITSIZE(I) - S)) | (J >> S)
    3028              :    where the right shifts are logical (i.e. 0's are shifted in).
    3029              :    Because SHIFT_EXPR's want shifts strictly smaller than the integral
    3030              :    type width, we have to special-case both S == 0 and S == BITSIZE(J):
    3031              :      DSHIFTL(I,J,0) = I
    3032              :      DSHIFTL(I,J,BITSIZE) = J
    3033              :      DSHIFTR(I,J,0) = J
    3034              :      DSHIFTR(I,J,BITSIZE) = I.  */
    3035              : 
    3036              : static void
    3037          132 : gfc_conv_intrinsic_dshift (gfc_se * se, gfc_expr * expr, bool dshiftl)
    3038              : {
    3039          132 :   tree type, utype, stype, arg1, arg2, shift, res, left, right;
    3040          132 :   tree args[3], cond, tmp;
    3041          132 :   int bitsize;
    3042              : 
    3043          132 :   gfc_conv_intrinsic_function_args (se, expr, args, 3);
    3044              : 
    3045          132 :   gcc_assert (TREE_TYPE (args[0]) == TREE_TYPE (args[1]));
    3046          132 :   type = TREE_TYPE (args[0]);
    3047          132 :   bitsize = TYPE_PRECISION (type);
    3048          132 :   utype = unsigned_type_for (type);
    3049          132 :   stype = TREE_TYPE (args[2]);
    3050              : 
    3051          132 :   arg1 = gfc_evaluate_now (args[0], &se->pre);
    3052          132 :   arg2 = gfc_evaluate_now (args[1], &se->pre);
    3053          132 :   shift = gfc_evaluate_now (args[2], &se->pre);
    3054              : 
    3055              :   /* The generic case.  */
    3056          132 :   tmp = fold_build2_loc (input_location, MINUS_EXPR, stype,
    3057          132 :                          build_int_cst (stype, bitsize), shift);
    3058          198 :   left = fold_build2_loc (input_location, LSHIFT_EXPR, type,
    3059              :                           arg1, dshiftl ? shift : tmp);
    3060              : 
    3061          198 :   right = fold_build2_loc (input_location, RSHIFT_EXPR, utype,
    3062              :                            fold_convert (utype, arg2), dshiftl ? tmp : shift);
    3063          132 :   right = fold_convert (type, right);
    3064              : 
    3065          132 :   res = fold_build2_loc (input_location, BIT_IOR_EXPR, type, left, right);
    3066              : 
    3067              :   /* Special cases.  */
    3068          132 :   cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, shift,
    3069              :                           build_int_cst (stype, 0));
    3070          198 :   res = fold_build3_loc (input_location, COND_EXPR, type, cond,
    3071              :                          dshiftl ? arg1 : arg2, res);
    3072              : 
    3073          132 :   cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, shift,
    3074          132 :                           build_int_cst (stype, bitsize));
    3075          198 :   res = fold_build3_loc (input_location, COND_EXPR, type, cond,
    3076              :                          dshiftl ? arg2 : arg1, res);
    3077              : 
    3078          132 :   se->expr = res;
    3079          132 : }
    3080              : 
    3081              : 
    3082              : /* Positive difference DIM (x, y) = ((x - y) < 0) ? 0 : x - y.  */
    3083              : 
    3084              : static void
    3085           96 : gfc_conv_intrinsic_dim (gfc_se * se, gfc_expr * expr)
    3086              : {
    3087           96 :   tree val;
    3088           96 :   tree tmp;
    3089           96 :   tree type;
    3090           96 :   tree zero;
    3091           96 :   tree args[2];
    3092              : 
    3093           96 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    3094           96 :   type = TREE_TYPE (args[0]);
    3095              : 
    3096           96 :   val = fold_build2_loc (input_location, MINUS_EXPR, type, args[0], args[1]);
    3097           96 :   val = gfc_evaluate_now (val, &se->pre);
    3098              : 
    3099           96 :   zero = gfc_build_const (type, integer_zero_node);
    3100           96 :   tmp = fold_build2_loc (input_location, LE_EXPR, logical_type_node, val, zero);
    3101           96 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, tmp, zero, val);
    3102           96 : }
    3103              : 
    3104              : 
    3105              : /* SIGN(A, B) is absolute value of A times sign of B.
    3106              :    The real value versions use library functions to ensure the correct
    3107              :    handling of negative zero.  Integer case implemented as:
    3108              :    SIGN(A, B) = { tmp = (A ^ B) >> C; (A + tmp) ^ tmp }
    3109              :   */
    3110              : 
    3111              : static void
    3112          423 : gfc_conv_intrinsic_sign (gfc_se * se, gfc_expr * expr)
    3113              : {
    3114          423 :   tree tmp;
    3115          423 :   tree type;
    3116          423 :   tree args[2];
    3117              : 
    3118          423 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    3119          423 :   if (expr->ts.type == BT_REAL)
    3120              :     {
    3121          161 :       tree abs;
    3122              : 
    3123          161 :       tmp = gfc_builtin_decl_for_float_kind (BUILT_IN_COPYSIGN, expr->ts.kind);
    3124          161 :       abs = gfc_builtin_decl_for_float_kind (BUILT_IN_FABS, expr->ts.kind);
    3125              : 
    3126              :       /* We explicitly have to ignore the minus sign. We do so by using
    3127              :          result = (arg1 == 0) ? abs(arg0) : copysign(arg0, arg1).  */
    3128          161 :       if (!flag_sign_zero
    3129          197 :           && MODE_HAS_SIGNED_ZEROS (TYPE_MODE (TREE_TYPE (args[1]))))
    3130              :         {
    3131           12 :           tree cond, zero;
    3132           12 :           zero = build_real_from_int_cst (TREE_TYPE (args[1]), integer_zero_node);
    3133           12 :           cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    3134              :                                   args[1], zero);
    3135           24 :           se->expr = fold_build3_loc (input_location, COND_EXPR,
    3136           12 :                                   TREE_TYPE (args[0]), cond,
    3137              :                                   build_call_expr_loc (input_location, abs, 1,
    3138              :                                                        args[0]),
    3139              :                                   build_call_expr_loc (input_location, tmp, 2,
    3140              :                                                        args[0], args[1]));
    3141              :         }
    3142              :       else
    3143          149 :         se->expr = build_call_expr_loc (input_location, tmp, 2,
    3144              :                                         args[0], args[1]);
    3145          161 :       return;
    3146              :     }
    3147              : 
    3148              :   /* Having excluded floating point types, we know we are now dealing
    3149              :      with signed integer types.  */
    3150          262 :   type = TREE_TYPE (args[0]);
    3151              : 
    3152              :   /* Args[0] is used multiple times below.  */
    3153          262 :   args[0] = gfc_evaluate_now (args[0], &se->pre);
    3154              : 
    3155              :   /* Construct (A ^ B) >> 31, which generates a bit mask of all zeros if
    3156              :      the signs of A and B are the same, and of all ones if they differ.  */
    3157          262 :   tmp = fold_build2_loc (input_location, BIT_XOR_EXPR, type, args[0], args[1]);
    3158          262 :   tmp = fold_build2_loc (input_location, RSHIFT_EXPR, type, tmp,
    3159          262 :                          build_int_cst (type, TYPE_PRECISION (type) - 1));
    3160          262 :   tmp = gfc_evaluate_now (tmp, &se->pre);
    3161              : 
    3162              :   /* Construct (A + tmp) ^ tmp, which is A if tmp is zero, and -A if tmp]
    3163              :      is all ones (i.e. -1).  */
    3164          262 :   se->expr = fold_build2_loc (input_location, BIT_XOR_EXPR, type,
    3165              :                               fold_build2_loc (input_location, PLUS_EXPR,
    3166              :                                                type, args[0], tmp), tmp);
    3167              : }
    3168              : 
    3169              : 
    3170              : /* Test for the presence of an optional argument.  */
    3171              : 
    3172              : static void
    3173         5070 : gfc_conv_intrinsic_present (gfc_se * se, gfc_expr * expr)
    3174              : {
    3175         5070 :   gfc_expr *arg;
    3176              : 
    3177         5070 :   arg = expr->value.function.actual->expr;
    3178         5070 :   gcc_assert (arg->expr_type == EXPR_VARIABLE);
    3179         5070 :   se->expr = gfc_conv_expr_present (arg->symtree->n.sym);
    3180         5070 :   se->expr = convert (gfc_typenode_for_spec (&expr->ts), se->expr);
    3181         5070 : }
    3182              : 
    3183              : 
    3184              : /* Calculate the double precision product of two single precision values.  */
    3185              : 
    3186              : static void
    3187           13 : gfc_conv_intrinsic_dprod (gfc_se * se, gfc_expr * expr)
    3188              : {
    3189           13 :   tree type;
    3190           13 :   tree args[2];
    3191              : 
    3192           13 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    3193              : 
    3194              :   /* Convert the args to double precision before multiplying.  */
    3195           13 :   type = gfc_typenode_for_spec (&expr->ts);
    3196           13 :   args[0] = convert (type, args[0]);
    3197           13 :   args[1] = convert (type, args[1]);
    3198           13 :   se->expr = fold_build2_loc (input_location, MULT_EXPR, type, args[0],
    3199              :                               args[1]);
    3200           13 : }
    3201              : 
    3202              : 
    3203              : /* Return a length one character string containing an ascii character.  */
    3204              : 
    3205              : static void
    3206         2020 : gfc_conv_intrinsic_char (gfc_se * se, gfc_expr * expr)
    3207              : {
    3208         2020 :   tree arg[2];
    3209         2020 :   tree var;
    3210         2020 :   tree type;
    3211         2020 :   unsigned int num_args;
    3212              : 
    3213         2020 :   num_args = gfc_intrinsic_argument_list_length (expr);
    3214         2020 :   gfc_conv_intrinsic_function_args (se, expr, arg, num_args);
    3215              : 
    3216         2020 :   type = gfc_get_char_type (expr->ts.kind);
    3217         2020 :   var = gfc_create_var (type, "char");
    3218              : 
    3219         2020 :   arg[0] = fold_build1_loc (input_location, NOP_EXPR, type, arg[0]);
    3220         2020 :   gfc_add_modify (&se->pre, var, arg[0]);
    3221         2020 :   se->expr = gfc_build_addr_expr (build_pointer_type (type), var);
    3222         2020 :   se->string_length = build_int_cst (gfc_charlen_type_node, 1);
    3223         2020 : }
    3224              : 
    3225              : 
    3226              : static void
    3227            0 : gfc_conv_intrinsic_ctime (gfc_se * se, gfc_expr * expr)
    3228              : {
    3229            0 :   tree var;
    3230            0 :   tree len;
    3231            0 :   tree tmp;
    3232            0 :   tree cond;
    3233            0 :   tree fndecl;
    3234            0 :   tree *args;
    3235            0 :   unsigned int num_args;
    3236              : 
    3237            0 :   num_args = gfc_intrinsic_argument_list_length (expr) + 2;
    3238            0 :   args = XALLOCAVEC (tree, num_args);
    3239              : 
    3240            0 :   var = gfc_create_var (pchar_type_node, "pstr");
    3241            0 :   len = gfc_create_var (gfc_charlen_type_node, "len");
    3242              : 
    3243            0 :   gfc_conv_intrinsic_function_args (se, expr, &args[2], num_args - 2);
    3244            0 :   args[0] = gfc_build_addr_expr (NULL_TREE, var);
    3245            0 :   args[1] = gfc_build_addr_expr (NULL_TREE, len);
    3246              : 
    3247            0 :   fndecl = build_addr (gfor_fndecl_ctime);
    3248            0 :   tmp = build_call_array_loc (input_location,
    3249            0 :                           TREE_TYPE (TREE_TYPE (gfor_fndecl_ctime)),
    3250              :                           fndecl, num_args, args);
    3251            0 :   gfc_add_expr_to_block (&se->pre, tmp);
    3252              : 
    3253              :   /* Free the temporary afterwards, if necessary.  */
    3254            0 :   cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    3255            0 :                           len, build_int_cst (TREE_TYPE (len), 0));
    3256            0 :   tmp = gfc_call_free (var);
    3257            0 :   tmp = build3_v (COND_EXPR, cond, tmp, build_empty_stmt (input_location));
    3258            0 :   gfc_add_expr_to_block (&se->post, tmp);
    3259              : 
    3260            0 :   se->expr = var;
    3261            0 :   se->string_length = len;
    3262            0 : }
    3263              : 
    3264              : 
    3265              : static void
    3266            0 : gfc_conv_intrinsic_fdate (gfc_se * se, gfc_expr * expr)
    3267              : {
    3268            0 :   tree var;
    3269            0 :   tree len;
    3270            0 :   tree tmp;
    3271            0 :   tree cond;
    3272            0 :   tree fndecl;
    3273            0 :   tree *args;
    3274            0 :   unsigned int num_args;
    3275              : 
    3276            0 :   num_args = gfc_intrinsic_argument_list_length (expr) + 2;
    3277            0 :   args = XALLOCAVEC (tree, num_args);
    3278              : 
    3279            0 :   var = gfc_create_var (pchar_type_node, "pstr");
    3280            0 :   len = gfc_create_var (gfc_charlen_type_node, "len");
    3281              : 
    3282            0 :   gfc_conv_intrinsic_function_args (se, expr, &args[2], num_args - 2);
    3283            0 :   args[0] = gfc_build_addr_expr (NULL_TREE, var);
    3284            0 :   args[1] = gfc_build_addr_expr (NULL_TREE, len);
    3285              : 
    3286            0 :   fndecl = build_addr (gfor_fndecl_fdate);
    3287            0 :   tmp = build_call_array_loc (input_location,
    3288            0 :                           TREE_TYPE (TREE_TYPE (gfor_fndecl_fdate)),
    3289              :                           fndecl, num_args, args);
    3290            0 :   gfc_add_expr_to_block (&se->pre, tmp);
    3291              : 
    3292              :   /* Free the temporary afterwards, if necessary.  */
    3293            0 :   cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    3294            0 :                           len, build_int_cst (TREE_TYPE (len), 0));
    3295            0 :   tmp = gfc_call_free (var);
    3296            0 :   tmp = build3_v (COND_EXPR, cond, tmp, build_empty_stmt (input_location));
    3297            0 :   gfc_add_expr_to_block (&se->post, tmp);
    3298              : 
    3299            0 :   se->expr = var;
    3300            0 :   se->string_length = len;
    3301            0 : }
    3302              : 
    3303              : 
    3304              : /* Generate a direct call to free() for the FREE subroutine.  */
    3305              : 
    3306              : static tree
    3307           10 : conv_intrinsic_free (gfc_code *code)
    3308              : {
    3309           10 :   stmtblock_t block;
    3310           10 :   gfc_se argse;
    3311           10 :   tree arg, call;
    3312              : 
    3313           10 :   gfc_init_se (&argse, NULL);
    3314           10 :   gfc_conv_expr (&argse, code->ext.actual->expr);
    3315           10 :   arg = fold_convert (ptr_type_node, argse.expr);
    3316              : 
    3317           10 :   gfc_init_block (&block);
    3318           10 :   call = build_call_expr_loc (input_location,
    3319              :                               builtin_decl_explicit (BUILT_IN_FREE), 1, arg);
    3320           10 :   gfc_add_expr_to_block (&block, call);
    3321           10 :   return gfc_finish_block (&block);
    3322              : }
    3323              : 
    3324              : 
    3325              : /* Call the RANDOM_INIT library subroutine with a hidden argument for
    3326              :    handling seeding on coarray images.  */
    3327              : 
    3328              : static tree
    3329           90 : conv_intrinsic_random_init (gfc_code *code)
    3330              : {
    3331           90 :   stmtblock_t block;
    3332           90 :   gfc_se se;
    3333           90 :   tree arg1, arg2, tmp;
    3334              :   /* On none coarray == lib compiles use LOGICAL(4) else regular LOGICAL.  */
    3335           90 :   tree used_bool_type_node = flag_coarray == GFC_FCOARRAY_LIB
    3336           90 :                              ? logical_type_node
    3337           90 :                              : gfc_get_logical_type (4);
    3338              : 
    3339              :   /* Make the function call.  */
    3340           90 :   gfc_init_block (&block);
    3341           90 :   gfc_init_se (&se, NULL);
    3342              : 
    3343              :   /* Convert REPEATABLE to the desired LOGICAL entity.  */
    3344           90 :   gfc_conv_expr (&se, code->ext.actual->expr);
    3345           90 :   gfc_add_block_to_block (&block, &se.pre);
    3346           90 :   arg1 = fold_convert (used_bool_type_node, gfc_evaluate_now (se.expr, &block));
    3347           90 :   gfc_add_block_to_block (&block, &se.post);
    3348              : 
    3349              :   /* Convert IMAGE_DISTINCT to the desired LOGICAL entity.  */
    3350           90 :   gfc_conv_expr (&se, code->ext.actual->next->expr);
    3351           90 :   gfc_add_block_to_block (&block, &se.pre);
    3352           90 :   arg2 = fold_convert (used_bool_type_node, gfc_evaluate_now (se.expr, &block));
    3353           90 :   gfc_add_block_to_block (&block, &se.post);
    3354              : 
    3355           90 :   if (flag_coarray == GFC_FCOARRAY_LIB)
    3356              :     {
    3357            0 :       tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_random_init,
    3358              :                                  2, arg1, arg2);
    3359              :     }
    3360              :   else
    3361              :     {
    3362              :       /* The ABI for libgfortran needs to be maintained, so a hidden
    3363              :          argument must be include if code is compiled with -fcoarray=single
    3364              :          or without the option.  Set to 0.  */
    3365           90 :       tree arg3 = build_int_cst (gfc_get_int_type (4), 0);
    3366           90 :       tmp = build_call_expr_loc (input_location, gfor_fndecl_random_init,
    3367              :                                  3, arg1, arg2, arg3);
    3368              :     }
    3369              : 
    3370           90 :   gfc_add_expr_to_block (&block, tmp);
    3371              : 
    3372           90 :   return gfc_finish_block (&block);
    3373              : }
    3374              : 
    3375              : 
    3376              : /* Call the SYSTEM_CLOCK library functions, handling the type and kind
    3377              :    conversions.  */
    3378              : 
    3379              : static tree
    3380          196 : conv_intrinsic_system_clock (gfc_code *code)
    3381              : {
    3382          196 :   stmtblock_t block;
    3383          196 :   gfc_se count_se, count_rate_se, count_max_se;
    3384          196 :   tree arg1 = NULL_TREE, arg2 = NULL_TREE, arg3 = NULL_TREE;
    3385          196 :   tree tmp;
    3386          196 :   int least;
    3387              : 
    3388          196 :   gfc_expr *count = code->ext.actual->expr;
    3389          196 :   gfc_expr *count_rate = code->ext.actual->next->expr;
    3390          196 :   gfc_expr *count_max = code->ext.actual->next->next->expr;
    3391              : 
    3392              :   /* Evaluate our arguments.  */
    3393          196 :   if (count)
    3394              :     {
    3395          196 :       gfc_init_se (&count_se, NULL);
    3396          196 :       gfc_conv_expr (&count_se, count);
    3397              :     }
    3398              : 
    3399          196 :   if (count_rate)
    3400              :     {
    3401          181 :       gfc_init_se (&count_rate_se, NULL);
    3402          181 :       gfc_conv_expr (&count_rate_se, count_rate);
    3403              :     }
    3404              : 
    3405          196 :   if (count_max)
    3406              :     {
    3407          180 :       gfc_init_se (&count_max_se, NULL);
    3408          180 :       gfc_conv_expr (&count_max_se, count_max);
    3409              :     }
    3410              : 
    3411              :   /* Find the smallest kind found of the arguments.  */
    3412          196 :   least = 16;
    3413          196 :   least = (count && count->ts.kind < least) ? count->ts.kind : least;
    3414          196 :   least = (count_rate && count_rate->ts.kind < least) ? count_rate->ts.kind
    3415              :                                                       : least;
    3416          196 :   least = (count_max && count_max->ts.kind < least) ? count_max->ts.kind
    3417              :                                                     : least;
    3418              : 
    3419              :   /* Prepare temporary variables.  */
    3420              : 
    3421          196 :   if (count)
    3422              :     {
    3423          196 :       if (least >= 8)
    3424           18 :         arg1 = gfc_create_var (gfc_get_int_type (8), "count");
    3425          178 :       else if (least == 4)
    3426          154 :         arg1 = gfc_create_var (gfc_get_int_type (4), "count");
    3427           24 :       else if (count->ts.kind == 1)
    3428           12 :         arg1 = gfc_conv_mpz_to_tree (gfc_integer_kinds[0].pedantic_min_int,
    3429              :                                      count->ts.kind);
    3430              :       else
    3431           12 :         arg1 = gfc_conv_mpz_to_tree (gfc_integer_kinds[1].pedantic_min_int,
    3432              :                                      count->ts.kind);
    3433              :     }
    3434              : 
    3435          196 :   if (count_rate)
    3436              :     {
    3437          181 :       if (least >= 8)
    3438           18 :         arg2 = gfc_create_var (gfc_get_int_type (8), "count_rate");
    3439          163 :       else if (least == 4)
    3440          139 :         arg2 = gfc_create_var (gfc_get_int_type (4), "count_rate");
    3441              :       else
    3442           24 :         arg2 = integer_zero_node;
    3443              :     }
    3444              : 
    3445          196 :   if (count_max)
    3446              :     {
    3447          180 :       if (least >= 8)
    3448           18 :         arg3 = gfc_create_var (gfc_get_int_type (8), "count_max");
    3449          162 :       else if (least == 4)
    3450          138 :         arg3 = gfc_create_var (gfc_get_int_type (4), "count_max");
    3451              :       else
    3452           24 :         arg3 = integer_zero_node;
    3453              :     }
    3454              : 
    3455              :   /* Make the function call.  */
    3456          196 :   gfc_init_block (&block);
    3457              : 
    3458          196 : if (least <= 2)
    3459              :   {
    3460           24 :     if (least == 1)
    3461              :       {
    3462           12 :         arg1 ? gfc_build_addr_expr (NULL_TREE, arg1)
    3463              :                : null_pointer_node;
    3464           12 :         arg2 ? gfc_build_addr_expr (NULL_TREE, arg2)
    3465              :                : null_pointer_node;
    3466           12 :         arg3 ? gfc_build_addr_expr (NULL_TREE, arg3)
    3467              :                : null_pointer_node;
    3468              :       }
    3469              : 
    3470           24 :     if (least == 2)
    3471              :       {
    3472           12 :         arg1 ? gfc_build_addr_expr (NULL_TREE, arg1)
    3473              :                : null_pointer_node;
    3474           12 :         arg2 ? gfc_build_addr_expr (NULL_TREE, arg2)
    3475              :                : null_pointer_node;
    3476           12 :         arg3 ? gfc_build_addr_expr (NULL_TREE, arg3)
    3477              :                : null_pointer_node;
    3478              :       }
    3479              :   }
    3480              : else
    3481              :   {
    3482          172 :     if (least == 4)
    3483              :       {
    3484          585 :         tmp = build_call_expr_loc (input_location,
    3485              :                 gfor_fndecl_system_clock4, 3,
    3486          154 :                 arg1 ? gfc_build_addr_expr (NULL_TREE, arg1)
    3487              :                        : null_pointer_node,
    3488          139 :                 arg2 ? gfc_build_addr_expr (NULL_TREE, arg2)
    3489              :                        : null_pointer_node,
    3490          138 :                 arg3 ? gfc_build_addr_expr (NULL_TREE, arg3)
    3491              :                        : null_pointer_node);
    3492          154 :         gfc_add_expr_to_block (&block, tmp);
    3493              :       }
    3494              :     /* Handle kind>=8, 10, or 16 arguments */
    3495          172 :     if (least >= 8)
    3496              :       {
    3497           72 :         tmp = build_call_expr_loc (input_location,
    3498              :                 gfor_fndecl_system_clock8, 3,
    3499           18 :                 arg1 ? gfc_build_addr_expr (NULL_TREE, arg1)
    3500              :                        : null_pointer_node,
    3501           18 :                 arg2 ? gfc_build_addr_expr (NULL_TREE, arg2)
    3502              :                        : null_pointer_node,
    3503           18 :                 arg3 ? gfc_build_addr_expr (NULL_TREE, arg3)
    3504              :                        : null_pointer_node);
    3505           18 :         gfc_add_expr_to_block (&block, tmp);
    3506              :       }
    3507              :   }
    3508              : 
    3509              :   /* And store values back if needed.  */
    3510          196 :   if (arg1 && arg1 != count_se.expr)
    3511          196 :     gfc_add_modify (&block, count_se.expr,
    3512          196 :                     fold_convert (TREE_TYPE (count_se.expr), arg1));
    3513          196 :   if (arg2 && arg2 != count_rate_se.expr)
    3514          181 :     gfc_add_modify (&block, count_rate_se.expr,
    3515          181 :                     fold_convert (TREE_TYPE (count_rate_se.expr), arg2));
    3516          196 :   if (arg3 && arg3 != count_max_se.expr)
    3517          180 :     gfc_add_modify (&block, count_max_se.expr,
    3518          180 :                     fold_convert (TREE_TYPE (count_max_se.expr), arg3));
    3519              : 
    3520          196 :   return gfc_finish_block (&block);
    3521              : }
    3522              : 
    3523              : static tree
    3524          102 : conv_intrinsic_split (gfc_code *code)
    3525              : {
    3526          102 :   stmtblock_t block, post_block;
    3527          102 :   gfc_se se;
    3528          102 :   gfc_expr *string_expr, *set_expr, *pos_expr, *back_expr;
    3529          102 :   tree string, string_len;
    3530          102 :   tree set, set_len;
    3531          102 :   tree pos, pos_for_call;
    3532          102 :   tree back;
    3533          102 :   tree fndecl, call;
    3534              : 
    3535          102 :   string_expr = code->ext.actual->expr;
    3536          102 :   set_expr = code->ext.actual->next->expr;
    3537          102 :   pos_expr = code->ext.actual->next->next->expr;
    3538          102 :   back_expr = code->ext.actual->next->next->next->expr;
    3539              : 
    3540          102 :   gfc_start_block (&block);
    3541          102 :   gfc_init_block (&post_block);
    3542              : 
    3543          102 :   gfc_init_se (&se, NULL);
    3544          102 :   gfc_conv_expr (&se, string_expr);
    3545          102 :   gfc_conv_string_parameter (&se);
    3546          102 :   gfc_add_block_to_block (&block, &se.pre);
    3547          102 :   gfc_add_block_to_block (&post_block, &se.post);
    3548          102 :   string = se.expr;
    3549          102 :   string_len = se.string_length;
    3550              : 
    3551          102 :   gfc_init_se (&se, NULL);
    3552          102 :   gfc_conv_expr (&se, set_expr);
    3553          102 :   gfc_conv_string_parameter (&se);
    3554          102 :   gfc_add_block_to_block (&block, &se.pre);
    3555          102 :   gfc_add_block_to_block (&post_block, &se.post);
    3556          102 :   set = se.expr;
    3557          102 :   set_len = se.string_length;
    3558              : 
    3559          102 :   gfc_init_se (&se, NULL);
    3560          102 :   gfc_conv_expr (&se, pos_expr);
    3561          102 :   gfc_add_block_to_block (&block, &se.pre);
    3562          102 :   gfc_add_block_to_block (&post_block, &se.post);
    3563          102 :   pos = se.expr;
    3564          102 :   pos_for_call = fold_convert (gfc_charlen_type_node, pos);
    3565              : 
    3566          102 :   if (back_expr)
    3567              :     {
    3568           48 :       gfc_init_se (&se, NULL);
    3569           48 :       gfc_conv_expr (&se, back_expr);
    3570           48 :       gfc_add_block_to_block (&block, &se.pre);
    3571           48 :       gfc_add_block_to_block (&post_block, &se.post);
    3572           48 :       back = se.expr;
    3573              :     }
    3574              :   else
    3575           54 :     back = logical_false_node;
    3576              : 
    3577          102 :   if (string_expr->ts.kind == 1)
    3578           66 :     fndecl = gfor_fndecl_string_split;
    3579           36 :   else if (string_expr->ts.kind == 4)
    3580           36 :     fndecl = gfor_fndecl_string_split_char4;
    3581              :   else
    3582            0 :     gcc_unreachable ();
    3583              : 
    3584          102 :   call = build_call_expr_loc (input_location, fndecl, 6, string_len, string,
    3585              :                               set_len, set, pos_for_call, back);
    3586          102 :   gfc_add_modify (&block, pos, fold_convert (TREE_TYPE (pos), call));
    3587              : 
    3588          102 :   gfc_add_block_to_block (&block, &post_block);
    3589          102 :   return gfc_finish_block (&block);
    3590              : }
    3591              : 
    3592              : /* Return a character string containing the tty name.  */
    3593              : 
    3594              : static void
    3595            0 : gfc_conv_intrinsic_ttynam (gfc_se * se, gfc_expr * expr)
    3596              : {
    3597            0 :   tree var;
    3598            0 :   tree len;
    3599            0 :   tree tmp;
    3600            0 :   tree cond;
    3601            0 :   tree fndecl;
    3602            0 :   tree *args;
    3603            0 :   unsigned int num_args;
    3604              : 
    3605            0 :   num_args = gfc_intrinsic_argument_list_length (expr) + 2;
    3606            0 :   args = XALLOCAVEC (tree, num_args);
    3607              : 
    3608            0 :   var = gfc_create_var (pchar_type_node, "pstr");
    3609            0 :   len = gfc_create_var (gfc_charlen_type_node, "len");
    3610              : 
    3611            0 :   gfc_conv_intrinsic_function_args (se, expr, &args[2], num_args - 2);
    3612            0 :   args[0] = gfc_build_addr_expr (NULL_TREE, var);
    3613            0 :   args[1] = gfc_build_addr_expr (NULL_TREE, len);
    3614              : 
    3615            0 :   fndecl = build_addr (gfor_fndecl_ttynam);
    3616            0 :   tmp = build_call_array_loc (input_location,
    3617            0 :                           TREE_TYPE (TREE_TYPE (gfor_fndecl_ttynam)),
    3618              :                           fndecl, num_args, args);
    3619            0 :   gfc_add_expr_to_block (&se->pre, tmp);
    3620              : 
    3621              :   /* Free the temporary afterwards, if necessary.  */
    3622            0 :   cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    3623            0 :                           len, build_int_cst (TREE_TYPE (len), 0));
    3624            0 :   tmp = gfc_call_free (var);
    3625            0 :   tmp = build3_v (COND_EXPR, cond, tmp, build_empty_stmt (input_location));
    3626            0 :   gfc_add_expr_to_block (&se->post, tmp);
    3627              : 
    3628            0 :   se->expr = var;
    3629            0 :   se->string_length = len;
    3630            0 : }
    3631              : 
    3632              : 
    3633              : /* Get the minimum/maximum value of all the parameters.
    3634              :     minmax (a1, a2, a3, ...)
    3635              :     {
    3636              :       mvar = a1;
    3637              :       mvar = COMP (mvar, a2)
    3638              :       mvar = COMP (mvar, a3)
    3639              :       ...
    3640              :       return mvar;
    3641              :     }
    3642              :     Where COMP is MIN/MAX_EXPR for integral types or when we don't
    3643              :     care about NaNs, or IFN_FMIN/MAX when the target has support for
    3644              :     fast NaN-honouring min/max.  When neither holds expand a sequence
    3645              :     of explicit comparisons.  */
    3646              : 
    3647              : /* TODO: Mismatching types can occur when specific names are used.
    3648              :    These should be handled during resolution.  */
    3649              : static void
    3650         1365 : gfc_conv_intrinsic_minmax (gfc_se * se, gfc_expr * expr, enum tree_code op)
    3651              : {
    3652         1365 :   tree tmp;
    3653         1365 :   tree mvar;
    3654         1365 :   tree val;
    3655         1365 :   tree *args;
    3656         1365 :   tree type;
    3657         1365 :   tree argtype;
    3658         1365 :   gfc_actual_arglist *argexpr;
    3659         1365 :   unsigned int i, nargs;
    3660              : 
    3661         1365 :   nargs = gfc_intrinsic_argument_list_length (expr);
    3662         1365 :   args = XALLOCAVEC (tree, nargs);
    3663              : 
    3664         1365 :   gfc_conv_intrinsic_function_args (se, expr, args, nargs);
    3665         1365 :   type = gfc_typenode_for_spec (&expr->ts);
    3666              : 
    3667              :   /* Only evaluate the argument once.  */
    3668         1365 :   if (!VAR_P (args[0]) && !TREE_CONSTANT (args[0]))
    3669          368 :     args[0] = gfc_evaluate_now (args[0], &se->pre);
    3670              : 
    3671              :   /* Determine suitable type of temporary, as a GNU extension allows
    3672              :      different argument kinds.  */
    3673         1365 :   argtype = TREE_TYPE (args[0]);
    3674         1365 :   argexpr = expr->value.function.actual;
    3675         2949 :   for (i = 1, argexpr = argexpr->next; i < nargs; i++, argexpr = argexpr->next)
    3676              :     {
    3677         1584 :       tree tmptype = TREE_TYPE (args[i]);
    3678         1584 :       if (TYPE_PRECISION (tmptype) > TYPE_PRECISION (argtype))
    3679            1 :         argtype = tmptype;
    3680              :     }
    3681         1365 :   mvar = gfc_create_var (argtype, "M");
    3682         1365 :   gfc_add_modify (&se->pre, mvar, convert (argtype, args[0]));
    3683              : 
    3684         1365 :   argexpr = expr->value.function.actual;
    3685         2949 :   for (i = 1, argexpr = argexpr->next; i < nargs; i++, argexpr = argexpr->next)
    3686              :     {
    3687         1584 :       tree cond = NULL_TREE;
    3688         1584 :       val = args[i];
    3689              : 
    3690              :       /* Handle absent optional arguments by ignoring the comparison.  */
    3691         1584 :       if (argexpr->expr->expr_type == EXPR_VARIABLE
    3692          920 :           && argexpr->expr->symtree->n.sym->attr.optional
    3693           45 :           && INDIRECT_REF_P (val))
    3694              :         {
    3695           84 :           cond = fold_build2_loc (input_location,
    3696              :                                 NE_EXPR, logical_type_node,
    3697           42 :                                 TREE_OPERAND (val, 0),
    3698           42 :                         build_int_cst (TREE_TYPE (TREE_OPERAND (val, 0)), 0));
    3699              :         }
    3700         1542 :       else if (!VAR_P (val) && !TREE_CONSTANT (val))
    3701              :         /* Only evaluate the argument once.  */
    3702          599 :         val = gfc_evaluate_now (val, &se->pre);
    3703              : 
    3704         1584 :       tree calc;
    3705              :       /* For floating point types, the question is what MAX(a, NaN) or
    3706              :          MIN(a, NaN) should return (where "a" is a normal number).
    3707              :          There are valid use case for returning either one, but the
    3708              :          Fortran standard doesn't specify which one should be chosen.
    3709              :          Also, there is no consensus among other tested compilers.  In
    3710              :          short, it's a mess.  So lets just do whatever is fastest.  */
    3711         1584 :       tree_code code = op == GT_EXPR ? MAX_EXPR : MIN_EXPR;
    3712         1584 :       calc = fold_build2_loc (input_location, code, argtype,
    3713              :                               convert (argtype, val), mvar);
    3714         1584 :       tmp = build2_v (MODIFY_EXPR, mvar, calc);
    3715              : 
    3716         1584 :       if (cond != NULL_TREE)
    3717           42 :         tmp = build3_v (COND_EXPR, cond, tmp,
    3718              :                         build_empty_stmt (input_location));
    3719         1584 :       gfc_add_expr_to_block (&se->pre, tmp);
    3720              :     }
    3721         1365 :   se->expr = convert (type, mvar);
    3722         1365 : }
    3723              : 
    3724              : 
    3725              : /* Generate library calls for MIN and MAX intrinsics for character
    3726              :    variables.  */
    3727              : static void
    3728          282 : gfc_conv_intrinsic_minmax_char (gfc_se * se, gfc_expr * expr, int op)
    3729              : {
    3730          282 :   tree *args;
    3731          282 :   tree var, len, fndecl, tmp, cond, function;
    3732          282 :   unsigned int nargs;
    3733              : 
    3734          282 :   nargs = gfc_intrinsic_argument_list_length (expr);
    3735          282 :   args = XALLOCAVEC (tree, nargs + 4);
    3736          282 :   gfc_conv_intrinsic_function_args (se, expr, &args[4], nargs);
    3737              : 
    3738              :   /* Create the result variables.  */
    3739          282 :   len = gfc_create_var (gfc_charlen_type_node, "len");
    3740          282 :   args[0] = gfc_build_addr_expr (NULL_TREE, len);
    3741          282 :   var = gfc_create_var (gfc_get_pchar_type (expr->ts.kind), "pstr");
    3742          282 :   args[1] = gfc_build_addr_expr (ppvoid_type_node, var);
    3743          282 :   args[2] = build_int_cst (integer_type_node, op);
    3744          282 :   args[3] = build_int_cst (integer_type_node, nargs / 2);
    3745              : 
    3746          282 :   if (expr->ts.kind == 1)
    3747          210 :     function = gfor_fndecl_string_minmax;
    3748           72 :   else if (expr->ts.kind == 4)
    3749           72 :     function = gfor_fndecl_string_minmax_char4;
    3750              :   else
    3751            0 :     gcc_unreachable ();
    3752              : 
    3753              :   /* Make the function call.  */
    3754          282 :   fndecl = build_addr (function);
    3755          282 :   tmp = build_call_array_loc (input_location,
    3756          282 :                           TREE_TYPE (TREE_TYPE (function)), fndecl,
    3757              :                           nargs + 4, args);
    3758          282 :   gfc_add_expr_to_block (&se->pre, tmp);
    3759              : 
    3760              :   /* Free the temporary afterwards, if necessary.  */
    3761          282 :   cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    3762          282 :                           len, build_int_cst (TREE_TYPE (len), 0));
    3763          282 :   tmp = gfc_call_free (var);
    3764          282 :   tmp = build3_v (COND_EXPR, cond, tmp, build_empty_stmt (input_location));
    3765          282 :   gfc_add_expr_to_block (&se->post, tmp);
    3766              : 
    3767          282 :   se->expr = var;
    3768          282 :   se->string_length = len;
    3769          282 : }
    3770              : 
    3771              : 
    3772              : /* Create a symbol node for this intrinsic.  The symbol from the frontend
    3773              :    has the generic name.  */
    3774              : 
    3775              : static gfc_symbol *
    3776        11285 : gfc_get_symbol_for_expr (gfc_expr * expr, bool ignore_optional)
    3777              : {
    3778        11285 :   gfc_symbol *sym;
    3779              : 
    3780              :   /* TODO: Add symbols for intrinsic function to the global namespace.  */
    3781        11285 :   gcc_assert (strlen (expr->value.function.name) <= GFC_MAX_SYMBOL_LEN - 5);
    3782        11285 :   sym = gfc_new_symbol (expr->value.function.name, NULL);
    3783              : 
    3784        11285 :   sym->ts = expr->ts;
    3785        11285 :   if (sym->ts.type == BT_CHARACTER)
    3786         1784 :     sym->ts.u.cl = gfc_new_charlen (gfc_current_ns, NULL);
    3787        11285 :   sym->attr.external = 1;
    3788        11285 :   sym->attr.function = 1;
    3789        11285 :   sym->attr.always_explicit = 1;
    3790        11285 :   sym->attr.proc = PROC_INTRINSIC;
    3791        11285 :   sym->attr.flavor = FL_PROCEDURE;
    3792        11285 :   sym->result = sym;
    3793        11285 :   if (expr->rank > 0)
    3794              :     {
    3795         9891 :       sym->attr.dimension = 1;
    3796         9891 :       sym->as = gfc_get_array_spec ();
    3797         9891 :       sym->as->type = AS_ASSUMED_SHAPE;
    3798         9891 :       sym->as->rank = expr->rank;
    3799              :     }
    3800              : 
    3801        11285 :   gfc_copy_formal_args_intr (sym, expr->value.function.isym,
    3802              :                              ignore_optional ? expr->value.function.actual
    3803              :                                              : NULL);
    3804              : 
    3805        11285 :   return sym;
    3806              : }
    3807              : 
    3808              : /* Remove empty actual arguments.  */
    3809              : 
    3810              : static void
    3811         8277 : remove_empty_actual_arguments (gfc_actual_arglist **ap)
    3812              : {
    3813        44456 :   while (*ap)
    3814              :     {
    3815        36179 :       if ((*ap)->expr == NULL)
    3816              :         {
    3817        11076 :           gfc_actual_arglist *r = *ap;
    3818        11076 :           *ap = r->next;
    3819        11076 :           r->next = NULL;
    3820        11076 :           gfc_free_actual_arglist (r);
    3821              :         }
    3822              :       else
    3823        25103 :         ap = &((*ap)->next);
    3824              :     }
    3825         8277 : }
    3826              : 
    3827              : #define MAX_SPEC_ARG 12
    3828              : 
    3829              : /* Make up an fn spec that's right for intrinsic functions that we
    3830              :    want to call.  */
    3831              : 
    3832              : static char *
    3833         1939 : intrinsic_fnspec (gfc_expr *expr)
    3834              : {
    3835         1939 :   static char fnspec_buf[MAX_SPEC_ARG*2+1];
    3836         1939 :   char *fp;
    3837         1939 :   int i;
    3838         1939 :   int num_char_args;
    3839              : 
    3840              : #define ADD_CHAR(c) do { *fp++ = c; *fp++ = ' '; } while(0)
    3841              : 
    3842              :   /* Set the fndecl.  */
    3843         1939 :   fp = fnspec_buf;
    3844              :   /* Function return value.  FIXME: Check if the second letter could
    3845              :      be something other than a space, for further optimization.  */
    3846         1939 :   ADD_CHAR ('.');
    3847         1939 :   if (expr->rank == 0)
    3848              :     {
    3849          238 :       if (expr->ts.type == BT_CHARACTER)
    3850              :         {
    3851           84 :           ADD_CHAR ('w');  /* Address of character.  */
    3852           84 :           ADD_CHAR ('.');  /* Length of character.  */
    3853              :         }
    3854              :     }
    3855              :   else
    3856         1701 :     ADD_CHAR ('w');  /* Return value is a descriptor.  */
    3857              : 
    3858         1939 :   num_char_args = 0;
    3859        10224 :   for (gfc_actual_arglist *a = expr->value.function.actual; a; a = a->next)
    3860              :     {
    3861         8285 :       if (a->expr == NULL)
    3862         2565 :         continue;
    3863              : 
    3864         5720 :       if (a->name && strcmp (a->name,"%VAL") == 0)
    3865         1300 :         ADD_CHAR ('.');
    3866              :       else
    3867              :         {
    3868         4420 :           if (a->expr->rank > 0)
    3869         2575 :             ADD_CHAR ('r');
    3870              :           else
    3871         1845 :             ADD_CHAR ('R');
    3872              :         }
    3873         5720 :       num_char_args += a->expr->ts.type == BT_CHARACTER;
    3874         5720 :       gcc_assert (fp - fnspec_buf + num_char_args <= MAX_SPEC_ARG*2);
    3875              :     }
    3876              : 
    3877         2743 :   for (i = 0; i < num_char_args; i++)
    3878          804 :     ADD_CHAR ('.');
    3879              : 
    3880         1939 :   *fp = '\0';
    3881         1939 :   return fnspec_buf;
    3882              : }
    3883              : 
    3884              : #undef MAX_SPEC_ARG
    3885              : #undef ADD_CHAR
    3886              : 
    3887              : /* Generate the right symbol for the specific intrinsic function and
    3888              :  modify the expr accordingly.  This assumes that absent optional
    3889              :  arguments should be removed.  */
    3890              : 
    3891              : gfc_symbol *
    3892         8277 : specific_intrinsic_symbol (gfc_expr *expr)
    3893              : {
    3894         8277 :   gfc_symbol *sym;
    3895              : 
    3896         8277 :   sym = gfc_find_intrinsic_symbol (expr);
    3897         8277 :   if (sym == NULL)
    3898              :     {
    3899         1939 :       sym = gfc_get_intrinsic_function_symbol (expr);
    3900         1939 :       sym->ts = expr->ts;
    3901         1939 :       if (sym->ts.type == BT_CHARACTER && sym->ts.u.cl)
    3902          240 :         sym->ts.u.cl = gfc_new_charlen (sym->ns, NULL);
    3903              : 
    3904         1939 :       gfc_copy_formal_args_intr (sym, expr->value.function.isym,
    3905              :                                  expr->value.function.actual, true);
    3906         1939 :       sym->backend_decl
    3907         1939 :         = gfc_get_extern_function_decl (sym, expr->value.function.actual,
    3908         1939 :                                         intrinsic_fnspec (expr));
    3909              :     }
    3910              : 
    3911         8277 :   remove_empty_actual_arguments (&(expr->value.function.actual));
    3912              : 
    3913         8277 :   return sym;
    3914              : }
    3915              : 
    3916              : /* Generate a call to an external intrinsic function.  FIXME: So far,
    3917              :    this only works for functions which are called with well-defined
    3918              :    types; CSHIFT and friends will come later.  */
    3919              : 
    3920              : static void
    3921        13719 : gfc_conv_intrinsic_funcall (gfc_se * se, gfc_expr * expr)
    3922              : {
    3923        13719 :   gfc_symbol *sym;
    3924        13719 :   vec<tree, va_gc> *append_args;
    3925        13719 :   bool specific_symbol;
    3926              : 
    3927        13719 :   gcc_assert (!se->ss || se->ss->info->expr == expr);
    3928              : 
    3929        13719 :   if (se->ss)
    3930        11763 :     gcc_assert (expr->rank > 0);
    3931              :   else
    3932         1956 :     gcc_assert (expr->rank == 0);
    3933              : 
    3934        13719 :   switch (expr->value.function.isym->id)
    3935              :     {
    3936              :     case GFC_ISYM_ANY:
    3937              :     case GFC_ISYM_ALL:
    3938              :     case GFC_ISYM_FINDLOC:
    3939              :     case GFC_ISYM_MAXLOC:
    3940              :     case GFC_ISYM_MINLOC:
    3941              :     case GFC_ISYM_MAXVAL:
    3942              :     case GFC_ISYM_MINVAL:
    3943              :     case GFC_ISYM_NORM2:
    3944              :     case GFC_ISYM_PRODUCT:
    3945              :     case GFC_ISYM_SUM:
    3946              :       specific_symbol = true;
    3947              :       break;
    3948         5442 :     default:
    3949         5442 :       specific_symbol = false;
    3950              :     }
    3951              : 
    3952        13719 :   if (specific_symbol)
    3953              :     {
    3954              :       /* Need to copy here because specific_intrinsic_symbol modifies
    3955              :          expr to omit the absent optional arguments.  */
    3956         8277 :       expr = gfc_copy_expr (expr);
    3957         8277 :       sym = specific_intrinsic_symbol (expr);
    3958              :     }
    3959              :   else
    3960         5442 :     sym = gfc_get_symbol_for_expr (expr, se->ignore_optional);
    3961              : 
    3962              :   /* Calls to libgfortran_matmul need to be appended special arguments,
    3963              :      to be able to call the BLAS ?gemm functions if required and possible.  */
    3964        13719 :   append_args = NULL;
    3965        13719 :   if (expr->value.function.isym->id == GFC_ISYM_MATMUL
    3966          866 :       && !expr->external_blas
    3967          828 :       && sym->ts.type != BT_LOGICAL)
    3968              :     {
    3969          812 :       tree cint = gfc_get_int_type (gfc_c_int_kind);
    3970              : 
    3971          812 :       if (flag_external_blas
    3972            0 :           && (sym->ts.type == BT_REAL || sym->ts.type == BT_COMPLEX)
    3973            0 :           && (sym->ts.kind == 4 || sym->ts.kind == 8))
    3974              :         {
    3975            0 :           tree gemm_fndecl;
    3976              : 
    3977            0 :           if (sym->ts.type == BT_REAL)
    3978              :             {
    3979            0 :               if (sym->ts.kind == 4)
    3980            0 :                 gemm_fndecl = gfor_fndecl_sgemm;
    3981              :               else
    3982            0 :                 gemm_fndecl = gfor_fndecl_dgemm;
    3983              :             }
    3984              :           else
    3985              :             {
    3986            0 :               if (sym->ts.kind == 4)
    3987            0 :                 gemm_fndecl = gfor_fndecl_cgemm;
    3988              :               else
    3989            0 :                 gemm_fndecl = gfor_fndecl_zgemm;
    3990              :             }
    3991              : 
    3992            0 :           vec_alloc (append_args, 3);
    3993            0 :           append_args->quick_push (build_int_cst (cint, 1));
    3994            0 :           append_args->quick_push (build_int_cst (cint,
    3995            0 :                                                   flag_blas_matmul_limit));
    3996            0 :           append_args->quick_push (gfc_build_addr_expr (NULL_TREE,
    3997              :                                                         gemm_fndecl));
    3998            0 :         }
    3999              :       else
    4000              :         {
    4001          812 :           vec_alloc (append_args, 3);
    4002          812 :           append_args->quick_push (build_int_cst (cint, 0));
    4003          812 :           append_args->quick_push (build_int_cst (cint, 0));
    4004          812 :           append_args->quick_push (null_pointer_node);
    4005              :         }
    4006              :     }
    4007              :   /* Non-character scalar reduce returns a pointer to a result of size set by
    4008              :      the element size of 'array'. Setting 'sym' allocatable ensures that the
    4009              :      result is deallocated at the appropriate time.  */
    4010        12907 :   else if (expr->value.function.isym->id == GFC_ISYM_REDUCE
    4011          102 :       && expr->rank == 0 && expr->ts.type != BT_CHARACTER)
    4012           96 :     sym->attr.allocatable = 1;
    4013              : 
    4014              : 
    4015        13719 :   gfc_conv_procedure_call (se, sym, expr->value.function.actual, expr,
    4016              :                           append_args);
    4017              : 
    4018        13719 :   if (specific_symbol)
    4019         8277 :     gfc_free_expr (expr);
    4020              :   else
    4021         5442 :     gfc_free_symbol (sym);
    4022        13719 : }
    4023              : 
    4024              : /* ANY and ALL intrinsics. ANY->op == NE_EXPR, ALL->op == EQ_EXPR.
    4025              :    Implemented as
    4026              :     any(a)
    4027              :     {
    4028              :       forall (i=...)
    4029              :         if (a[i] != 0)
    4030              :           return 1
    4031              :       end forall
    4032              :       return 0
    4033              :     }
    4034              :     all(a)
    4035              :     {
    4036              :       forall (i=...)
    4037              :         if (a[i] == 0)
    4038              :           return 0
    4039              :       end forall
    4040              :       return 1
    4041              :     }
    4042              :  */
    4043              : static void
    4044        38563 : gfc_conv_intrinsic_anyall (gfc_se * se, gfc_expr * expr, enum tree_code op)
    4045              : {
    4046        38563 :   tree resvar;
    4047        38563 :   stmtblock_t block;
    4048        38563 :   stmtblock_t body;
    4049        38563 :   tree type;
    4050        38563 :   tree tmp;
    4051        38563 :   tree found;
    4052        38563 :   gfc_loopinfo loop;
    4053        38563 :   gfc_actual_arglist *actual;
    4054        38563 :   gfc_ss *arrayss;
    4055        38563 :   gfc_se arrayse;
    4056        38563 :   tree exit_label;
    4057              : 
    4058        38563 :   if (se->ss)
    4059              :     {
    4060            0 :       gfc_conv_intrinsic_funcall (se, expr);
    4061            0 :       return;
    4062              :     }
    4063              : 
    4064        38563 :   actual = expr->value.function.actual;
    4065        38563 :   type = gfc_typenode_for_spec (&expr->ts);
    4066              :   /* Initialize the result.  */
    4067        38563 :   resvar = gfc_create_var (type, "test");
    4068        38563 :   if (op == EQ_EXPR)
    4069          420 :     tmp = convert (type, boolean_true_node);
    4070              :   else
    4071        38143 :     tmp = convert (type, boolean_false_node);
    4072        38563 :   gfc_add_modify (&se->pre, resvar, tmp);
    4073              : 
    4074              :   /* Walk the arguments.  */
    4075        38563 :   arrayss = gfc_walk_expr (actual->expr);
    4076        38563 :   gcc_assert (arrayss != gfc_ss_terminator);
    4077              : 
    4078              :   /* Initialize the scalarizer.  */
    4079        38563 :   gfc_init_loopinfo (&loop);
    4080        38563 :   exit_label = gfc_build_label_decl (NULL_TREE);
    4081        38563 :   TREE_USED (exit_label) = 1;
    4082        38563 :   gfc_add_ss_to_loop (&loop, arrayss);
    4083              : 
    4084              :   /* Initialize the loop.  */
    4085        38563 :   gfc_conv_ss_startstride (&loop);
    4086        38563 :   gfc_conv_loop_setup (&loop, &expr->where);
    4087              : 
    4088        38563 :   gfc_mark_ss_chain_used (arrayss, 1);
    4089              :   /* Generate the loop body.  */
    4090        38563 :   gfc_start_scalarized_body (&loop, &body);
    4091              : 
    4092              :   /* If the condition matches then set the return value.  */
    4093        38563 :   gfc_start_block (&block);
    4094        38563 :   if (op == EQ_EXPR)
    4095          420 :     tmp = convert (type, boolean_false_node);
    4096              :   else
    4097        38143 :     tmp = convert (type, boolean_true_node);
    4098        38563 :   gfc_add_modify (&block, resvar, tmp);
    4099              : 
    4100              :   /* And break out of the loop.  */
    4101        38563 :   tmp = build1_v (GOTO_EXPR, exit_label);
    4102        38563 :   gfc_add_expr_to_block (&block, tmp);
    4103              : 
    4104        38563 :   found = gfc_finish_block (&block);
    4105              : 
    4106              :   /* Check this element.  */
    4107        38563 :   gfc_init_se (&arrayse, NULL);
    4108        38563 :   gfc_copy_loopinfo_to_se (&arrayse, &loop);
    4109        38563 :   arrayse.ss = arrayss;
    4110        38563 :   gfc_conv_expr_val (&arrayse, actual->expr);
    4111              : 
    4112        38563 :   gfc_add_block_to_block (&body, &arrayse.pre);
    4113        38563 :   tmp = fold_build2_loc (input_location, op, logical_type_node, arrayse.expr,
    4114        38563 :                          build_int_cst (TREE_TYPE (arrayse.expr), 0));
    4115        38563 :   tmp = build3_v (COND_EXPR, tmp, found, build_empty_stmt (input_location));
    4116        38563 :   gfc_add_expr_to_block (&body, tmp);
    4117        38563 :   gfc_add_block_to_block (&body, &arrayse.post);
    4118              : 
    4119        38563 :   gfc_trans_scalarizing_loops (&loop, &body);
    4120              : 
    4121              :   /* Add the exit label.  */
    4122        38563 :   tmp = build1_v (LABEL_EXPR, exit_label);
    4123        38563 :   gfc_add_expr_to_block (&loop.pre, tmp);
    4124              : 
    4125        38563 :   gfc_add_block_to_block (&se->pre, &loop.pre);
    4126        38563 :   gfc_add_block_to_block (&se->pre, &loop.post);
    4127        38563 :   gfc_cleanup_loop (&loop);
    4128              : 
    4129        38563 :   se->expr = resvar;
    4130              : }
    4131              : 
    4132              : 
    4133              : /* Generate the constant 180 / pi, which is used in the conversion
    4134              :    of acosd(), asind(), atand(), atan2d().  */
    4135              : 
    4136              : static tree
    4137          408 : rad2deg (int kind)
    4138              : {
    4139          408 :   tree retval;
    4140          408 :   mpfr_t pi, t0;
    4141              : 
    4142          408 :   gfc_set_model_kind (kind);
    4143          408 :   mpfr_init (pi);
    4144          408 :   mpfr_init (t0);
    4145          408 :   mpfr_set_si (t0, 180, GFC_RND_MODE);
    4146          408 :   mpfr_const_pi (pi, GFC_RND_MODE);
    4147          408 :   mpfr_div (t0, t0, pi, GFC_RND_MODE);
    4148          408 :   retval = gfc_conv_mpfr_to_tree (t0, kind, 0);
    4149          408 :   mpfr_clear (t0);
    4150          408 :   mpfr_clear (pi);
    4151          408 :   return retval;
    4152              : }
    4153              : 
    4154              : 
    4155              : static gfc_intrinsic_map_t *
    4156          618 : gfc_lookup_intrinsic (gfc_isym_id id)
    4157              : {
    4158          618 :   gfc_intrinsic_map_t *m = gfc_intrinsic_map;
    4159        11514 :   for (; m->id != GFC_ISYM_NONE || m->double_built_in != END_BUILTINS; m++)
    4160        11514 :     if (id == m->id)
    4161              :       break;
    4162          618 :   gcc_assert (id == m->id);
    4163          618 :   return m;
    4164              : }
    4165              : 
    4166              : 
    4167              : /* ACOSD(x) is translated into ACOS(x) * 180 / pi.
    4168              :    ASIND(x) is translated into ASIN(x) * 180 / pi.
    4169              :    ATAND(x) is translated into ATAN(x) * 180 / pi.  */
    4170              : 
    4171              : static void
    4172          270 : gfc_conv_intrinsic_atrigd (gfc_se * se, gfc_expr * expr, gfc_isym_id id)
    4173              : {
    4174          270 :   tree arg;
    4175          270 :   tree atrigd;
    4176          270 :   tree type;
    4177          270 :   gfc_intrinsic_map_t *m;
    4178              : 
    4179          270 :   type = gfc_typenode_for_spec (&expr->ts);
    4180              : 
    4181          270 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    4182              : 
    4183          270 :   switch (id)
    4184              :     {
    4185           90 :     case GFC_ISYM_ACOSD:
    4186           90 :       m = gfc_lookup_intrinsic (GFC_ISYM_ACOS);
    4187           90 :       break;
    4188           90 :     case GFC_ISYM_ASIND:
    4189           90 :       m = gfc_lookup_intrinsic (GFC_ISYM_ASIN);
    4190           90 :       break;
    4191           90 :     case GFC_ISYM_ATAND:
    4192           90 :       m = gfc_lookup_intrinsic (GFC_ISYM_ATAN);
    4193           90 :       break;
    4194            0 :     default:
    4195            0 :       gcc_unreachable ();
    4196              :     }
    4197          270 :   atrigd = gfc_get_intrinsic_lib_fndecl (m, expr);
    4198          270 :   atrigd = build_call_expr_loc (input_location, atrigd, 1, arg);
    4199              : 
    4200          270 :   se->expr = fold_build2_loc (input_location, MULT_EXPR, type, atrigd,
    4201              :                               fold_convert (type, rad2deg (expr->ts.kind)));
    4202          270 : }
    4203              : 
    4204              : 
    4205              : /* COTAN(X) is translated into -TAN(X+PI/2) for REAL argument and
    4206              :    COS(X) / SIN(X) for COMPLEX argument.  */
    4207              : 
    4208              : static void
    4209          102 : gfc_conv_intrinsic_cotan (gfc_se *se, gfc_expr *expr)
    4210              : {
    4211          102 :   gfc_intrinsic_map_t *m;
    4212          102 :   tree arg;
    4213          102 :   tree type;
    4214              : 
    4215          102 :   type = gfc_typenode_for_spec (&expr->ts);
    4216          102 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    4217              : 
    4218          102 :   if (expr->ts.type == BT_REAL)
    4219              :     {
    4220          102 :       tree tan;
    4221          102 :       tree tmp;
    4222          102 :       mpfr_t pio2;
    4223              : 
    4224              :       /* Create pi/2.  */
    4225          102 :       gfc_set_model_kind (expr->ts.kind);
    4226          102 :       mpfr_init (pio2);
    4227          102 :       mpfr_const_pi (pio2, GFC_RND_MODE);
    4228          102 :       mpfr_div_ui (pio2, pio2, 2, GFC_RND_MODE);
    4229          102 :       tmp = gfc_conv_mpfr_to_tree (pio2, expr->ts.kind, 0);
    4230          102 :       mpfr_clear (pio2);
    4231              : 
    4232              :       /* Find tan builtin function.  */
    4233          102 :       m = gfc_lookup_intrinsic (GFC_ISYM_TAN);
    4234          102 :       tan = gfc_get_intrinsic_lib_fndecl (m, expr);
    4235          102 :       tmp = fold_build2_loc (input_location, PLUS_EXPR, type, arg, tmp);
    4236          102 :       tan = build_call_expr_loc (input_location, tan, 1, tmp);
    4237          102 :       se->expr = fold_build1_loc (input_location, NEGATE_EXPR, type, tan);
    4238              :     }
    4239              :   else
    4240              :     {
    4241            0 :       tree sin;
    4242            0 :       tree cos;
    4243              : 
    4244              :       /* Find cos builtin function.  */
    4245            0 :       m = gfc_lookup_intrinsic (GFC_ISYM_COS);
    4246            0 :       cos = gfc_get_intrinsic_lib_fndecl (m, expr);
    4247            0 :       cos = build_call_expr_loc (input_location, cos, 1, arg);
    4248              : 
    4249              :       /* Find sin builtin function.  */
    4250            0 :       m = gfc_lookup_intrinsic (GFC_ISYM_SIN);
    4251            0 :       sin = gfc_get_intrinsic_lib_fndecl (m, expr);
    4252            0 :       sin = build_call_expr_loc (input_location, sin, 1, arg);
    4253              : 
    4254              :       /* Divide cos by sin. */
    4255            0 :       se->expr = fold_build2_loc (input_location, RDIV_EXPR, type, cos, sin);
    4256              :    }
    4257          102 : }
    4258              : 
    4259              : 
    4260              : /* COTAND(X) is translated into -TAND(X+90) for REAL argument.  */
    4261              : 
    4262              : static void
    4263          108 : gfc_conv_intrinsic_cotand (gfc_se *se, gfc_expr *expr)
    4264              : {
    4265          108 :   tree arg;
    4266          108 :   tree type;
    4267          108 :   tree ninety_tree;
    4268          108 :   mpfr_t ninety;
    4269              : 
    4270          108 :   type = gfc_typenode_for_spec (&expr->ts);
    4271          108 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    4272              : 
    4273          108 :   gfc_set_model_kind (expr->ts.kind);
    4274              : 
    4275              :   /* Build the tree for x + 90.  */
    4276          108 :   mpfr_init_set_ui (ninety, 90, GFC_RND_MODE);
    4277          108 :   ninety_tree = gfc_conv_mpfr_to_tree (ninety, expr->ts.kind, 0);
    4278          108 :   arg = fold_build2_loc (input_location, PLUS_EXPR, type, arg, ninety_tree);
    4279          108 :   mpfr_clear (ninety);
    4280              : 
    4281              :   /* Find tand.  */
    4282          108 :   gfc_intrinsic_map_t *m = gfc_lookup_intrinsic (GFC_ISYM_TAND);
    4283          108 :   tree tand = gfc_get_intrinsic_lib_fndecl (m, expr);
    4284          108 :   tand = build_call_expr_loc (input_location, tand, 1, arg);
    4285              : 
    4286          108 :   se->expr = fold_build1_loc (input_location, NEGATE_EXPR, type, tand);
    4287          108 : }
    4288              : 
    4289              : 
    4290              : /* ATAN2D(Y,X) is translated into ATAN2(Y,X) * 180 / PI. */
    4291              : 
    4292              : static void
    4293          138 : gfc_conv_intrinsic_atan2d (gfc_se *se, gfc_expr *expr)
    4294              : {
    4295          138 :   tree args[2];
    4296          138 :   tree atan2d;
    4297          138 :   tree type;
    4298              : 
    4299          138 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    4300          138 :   type = TREE_TYPE (args[0]);
    4301              : 
    4302          138 :   gfc_intrinsic_map_t *m = gfc_lookup_intrinsic (GFC_ISYM_ATAN2);
    4303          138 :   atan2d = gfc_get_intrinsic_lib_fndecl (m, expr);
    4304          138 :   atan2d = build_call_expr_loc (input_location, atan2d, 2, args[0], args[1]);
    4305              : 
    4306          138 :   se->expr = fold_build2_loc (input_location, MULT_EXPR, type, atan2d,
    4307              :                               rad2deg (expr->ts.kind));
    4308          138 : }
    4309              : 
    4310              : 
    4311              : /* COUNT(A) = Number of true elements in A.  */
    4312              : static void
    4313          143 : gfc_conv_intrinsic_count (gfc_se * se, gfc_expr * expr)
    4314              : {
    4315          143 :   tree resvar;
    4316          143 :   tree type;
    4317          143 :   stmtblock_t body;
    4318          143 :   tree tmp;
    4319          143 :   gfc_loopinfo loop;
    4320          143 :   gfc_actual_arglist *actual;
    4321          143 :   gfc_ss *arrayss;
    4322          143 :   gfc_se arrayse;
    4323              : 
    4324          143 :   if (se->ss)
    4325              :     {
    4326            0 :       gfc_conv_intrinsic_funcall (se, expr);
    4327            0 :       return;
    4328              :     }
    4329              : 
    4330          143 :   actual = expr->value.function.actual;
    4331              : 
    4332          143 :   type = gfc_typenode_for_spec (&expr->ts);
    4333              :   /* Initialize the result.  */
    4334          143 :   resvar = gfc_create_var (type, "count");
    4335          143 :   gfc_add_modify (&se->pre, resvar, build_int_cst (type, 0));
    4336              : 
    4337              :   /* Walk the arguments.  */
    4338          143 :   arrayss = gfc_walk_expr (actual->expr);
    4339          143 :   gcc_assert (arrayss != gfc_ss_terminator);
    4340              : 
    4341              :   /* Initialize the scalarizer.  */
    4342          143 :   gfc_init_loopinfo (&loop);
    4343          143 :   gfc_add_ss_to_loop (&loop, arrayss);
    4344              : 
    4345              :   /* Initialize the loop.  */
    4346          143 :   gfc_conv_ss_startstride (&loop);
    4347          143 :   gfc_conv_loop_setup (&loop, &expr->where);
    4348              : 
    4349          143 :   gfc_mark_ss_chain_used (arrayss, 1);
    4350              :   /* Generate the loop body.  */
    4351          143 :   gfc_start_scalarized_body (&loop, &body);
    4352              : 
    4353          143 :   tmp = fold_build2_loc (input_location, PLUS_EXPR, TREE_TYPE (resvar),
    4354          143 :                          resvar, build_int_cst (TREE_TYPE (resvar), 1));
    4355          143 :   tmp = build2_v (MODIFY_EXPR, resvar, tmp);
    4356              : 
    4357          143 :   gfc_init_se (&arrayse, NULL);
    4358          143 :   gfc_copy_loopinfo_to_se (&arrayse, &loop);
    4359          143 :   arrayse.ss = arrayss;
    4360          143 :   gfc_conv_expr_val (&arrayse, actual->expr);
    4361          143 :   tmp = build3_v (COND_EXPR, arrayse.expr, tmp,
    4362              :                   build_empty_stmt (input_location));
    4363              : 
    4364          143 :   gfc_add_block_to_block (&body, &arrayse.pre);
    4365          143 :   gfc_add_expr_to_block (&body, tmp);
    4366          143 :   gfc_add_block_to_block (&body, &arrayse.post);
    4367              : 
    4368          143 :   gfc_trans_scalarizing_loops (&loop, &body);
    4369              : 
    4370          143 :   gfc_add_block_to_block (&se->pre, &loop.pre);
    4371          143 :   gfc_add_block_to_block (&se->pre, &loop.post);
    4372          143 :   gfc_cleanup_loop (&loop);
    4373              : 
    4374          143 :   se->expr = resvar;
    4375              : }
    4376              : 
    4377              : 
    4378              : /* Update given gfc_se to have ss component pointing to the nested gfc_ss
    4379              :    struct and return the corresponding loopinfo.  */
    4380              : 
    4381              : static gfc_loopinfo *
    4382         3374 : enter_nested_loop (gfc_se *se)
    4383              : {
    4384         3374 :   se->ss = se->ss->nested_ss;
    4385         3374 :   gcc_assert (se->ss == se->ss->loop->ss);
    4386              : 
    4387         3374 :   return se->ss->loop;
    4388              : }
    4389              : 
    4390              : /* Build the condition for a mask, which may be optional.  */
    4391              : 
    4392              : static tree
    4393        12763 : conv_mask_condition (gfc_se *maskse, gfc_expr *maskexpr,
    4394              :                          bool optional_mask)
    4395              : {
    4396        12763 :   tree present;
    4397        12763 :   tree type;
    4398              : 
    4399        12763 :   if (optional_mask)
    4400              :     {
    4401          206 :       type = TREE_TYPE (maskse->expr);
    4402          206 :       present = gfc_conv_expr_present (maskexpr->symtree->n.sym);
    4403          206 :       present = convert (type, present);
    4404          206 :       present = fold_build1_loc (input_location, TRUTH_NOT_EXPR, type,
    4405              :                                  present);
    4406          206 :       return fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    4407          206 :                               type, present, maskse->expr);
    4408              :     }
    4409              :   else
    4410        12557 :     return maskse->expr;
    4411              : }
    4412              : 
    4413              : /* Inline implementation of the sum and product intrinsics.  */
    4414              : static void
    4415         2515 : gfc_conv_intrinsic_arith (gfc_se * se, gfc_expr * expr, enum tree_code op,
    4416              :                           bool norm2)
    4417              : {
    4418         2515 :   tree resvar;
    4419         2515 :   tree scale = NULL_TREE;
    4420         2515 :   tree type;
    4421         2515 :   stmtblock_t body;
    4422         2515 :   stmtblock_t block;
    4423         2515 :   tree tmp;
    4424         2515 :   gfc_loopinfo loop, *ploop;
    4425         2515 :   gfc_actual_arglist *arg_array, *arg_mask;
    4426         2515 :   gfc_ss *arrayss = NULL;
    4427         2515 :   gfc_ss *maskss = NULL;
    4428         2515 :   gfc_se arrayse;
    4429         2515 :   gfc_se maskse;
    4430         2515 :   gfc_se *parent_se;
    4431         2515 :   gfc_expr *arrayexpr;
    4432         2515 :   gfc_expr *maskexpr;
    4433         2515 :   bool optional_mask;
    4434              : 
    4435         2515 :   if (expr->rank > 0)
    4436              :     {
    4437          578 :       gcc_assert (gfc_inline_intrinsic_function_p (expr));
    4438              :       parent_se = se;
    4439              :     }
    4440              :   else
    4441              :     parent_se = NULL;
    4442              : 
    4443         2515 :   type = gfc_typenode_for_spec (&expr->ts);
    4444              :   /* Initialize the result.  */
    4445         2515 :   resvar = gfc_create_var (type, "val");
    4446         2515 :   if (norm2)
    4447              :     {
    4448              :       /* result = 0.0;
    4449              :          scale = 1.0.  */
    4450           68 :       scale = gfc_create_var (type, "scale");
    4451           68 :       gfc_add_modify (&se->pre, scale,
    4452              :                       gfc_build_const (type, integer_one_node));
    4453           68 :       tmp = gfc_build_const (type, integer_zero_node);
    4454              :     }
    4455         2447 :   else if (op == PLUS_EXPR || op == BIT_IOR_EXPR || op == BIT_XOR_EXPR)
    4456         2029 :     tmp = gfc_build_const (type, integer_zero_node);
    4457          418 :   else if (op == NE_EXPR)
    4458              :     /* PARITY.  */
    4459           36 :     tmp = convert (type, boolean_false_node);
    4460          382 :   else if (op == BIT_AND_EXPR)
    4461           24 :     tmp = gfc_build_const (type, fold_build1_loc (input_location, NEGATE_EXPR,
    4462              :                                                   type, integer_one_node));
    4463              :   else
    4464          358 :     tmp = gfc_build_const (type, integer_one_node);
    4465              : 
    4466         2515 :   gfc_add_modify (&se->pre, resvar, tmp);
    4467              : 
    4468         2515 :   arg_array = expr->value.function.actual;
    4469              : 
    4470         2515 :   arrayexpr = arg_array->expr;
    4471              : 
    4472         2515 :   if (op == NE_EXPR || norm2)
    4473              :     {
    4474              :       /* PARITY and NORM2.  */
    4475              :       maskexpr = NULL;
    4476              :       optional_mask = false;
    4477              :     }
    4478              :   else
    4479              :     {
    4480         2411 :       arg_mask  = arg_array->next->next;
    4481         2411 :       gcc_assert (arg_mask != NULL);
    4482         2411 :       maskexpr = arg_mask->expr;
    4483          371 :       optional_mask = maskexpr && maskexpr->expr_type == EXPR_VARIABLE
    4484          266 :         && maskexpr->symtree->n.sym->attr.dummy
    4485         2429 :         && maskexpr->symtree->n.sym->attr.optional;
    4486              :     }
    4487              : 
    4488         2515 :   if (expr->rank == 0)
    4489              :     {
    4490              :       /* Walk the arguments.  */
    4491         1937 :       arrayss = gfc_walk_expr (arrayexpr);
    4492         1937 :       gcc_assert (arrayss != gfc_ss_terminator);
    4493              : 
    4494         1937 :       if (maskexpr && maskexpr->rank > 0)
    4495              :         {
    4496          223 :           maskss = gfc_walk_expr (maskexpr);
    4497          223 :           gcc_assert (maskss != gfc_ss_terminator);
    4498              :         }
    4499              :       else
    4500              :         maskss = NULL;
    4501              : 
    4502              :       /* Initialize the scalarizer.  */
    4503         1937 :       gfc_init_loopinfo (&loop);
    4504              : 
    4505              :       /* We add the mask first because the number of iterations is
    4506              :          taken from the last ss, and this breaks if an absent
    4507              :          optional argument is used for mask.  */
    4508              : 
    4509         1937 :       if (maskexpr && maskexpr->rank > 0)
    4510          223 :         gfc_add_ss_to_loop (&loop, maskss);
    4511         1937 :       gfc_add_ss_to_loop (&loop, arrayss);
    4512              : 
    4513              :       /* Initialize the loop.  */
    4514         1937 :       gfc_conv_ss_startstride (&loop);
    4515         1937 :       gfc_conv_loop_setup (&loop, &expr->where);
    4516              : 
    4517         1937 :       if (maskexpr && maskexpr->rank > 0)
    4518          223 :         gfc_mark_ss_chain_used (maskss, 1);
    4519         1937 :       gfc_mark_ss_chain_used (arrayss, 1);
    4520              : 
    4521         1937 :       ploop = &loop;
    4522              :     }
    4523              :   else
    4524              :     /* All the work has been done in the parent loops.  */
    4525          578 :     ploop = enter_nested_loop (se);
    4526              : 
    4527         2515 :   gcc_assert (ploop);
    4528              : 
    4529              :   /* Generate the loop body.  */
    4530         2515 :   gfc_start_scalarized_body (ploop, &body);
    4531              : 
    4532              :   /* If we have a mask, only add this element if the mask is set.  */
    4533         2515 :   if (maskexpr && maskexpr->rank > 0)
    4534              :     {
    4535          307 :       gfc_init_se (&maskse, parent_se);
    4536          307 :       gfc_copy_loopinfo_to_se (&maskse, ploop);
    4537          307 :       if (expr->rank == 0)
    4538          223 :         maskse.ss = maskss;
    4539          307 :       gfc_conv_expr_val (&maskse, maskexpr);
    4540          307 :       gfc_add_block_to_block (&body, &maskse.pre);
    4541              : 
    4542          307 :       gfc_start_block (&block);
    4543              :     }
    4544              :   else
    4545         2208 :     gfc_init_block (&block);
    4546              : 
    4547              :   /* Do the actual summation/product.  */
    4548         2515 :   gfc_init_se (&arrayse, parent_se);
    4549         2515 :   gfc_copy_loopinfo_to_se (&arrayse, ploop);
    4550         2515 :   if (expr->rank == 0)
    4551         1937 :     arrayse.ss = arrayss;
    4552         2515 :   gfc_conv_expr_val (&arrayse, arrayexpr);
    4553         2515 :   gfc_add_block_to_block (&block, &arrayse.pre);
    4554              : 
    4555         2515 :   if (norm2)
    4556              :     {
    4557              :       /* if (x (i) != 0.0)
    4558              :            {
    4559              :              absX = abs(x(i))
    4560              :              if (absX > scale)
    4561              :                {
    4562              :                  val = scale/absX;
    4563              :                  result = 1.0 + result * val * val;
    4564              :                  scale = absX;
    4565              :                }
    4566              :              else
    4567              :                {
    4568              :                  val = absX/scale;
    4569              :                  result += val * val;
    4570              :                }
    4571              :            }  */
    4572           68 :       tree res1, res2, cond, absX, val;
    4573           68 :       stmtblock_t ifblock1, ifblock2, ifblock3;
    4574              : 
    4575           68 :       gfc_init_block (&ifblock1);
    4576              : 
    4577           68 :       absX = gfc_create_var (type, "absX");
    4578           68 :       gfc_add_modify (&ifblock1, absX,
    4579              :                       fold_build1_loc (input_location, ABS_EXPR, type,
    4580              :                                        arrayse.expr));
    4581           68 :       val = gfc_create_var (type, "val");
    4582           68 :       gfc_add_expr_to_block (&ifblock1, val);
    4583              : 
    4584           68 :       gfc_init_block (&ifblock2);
    4585           68 :       gfc_add_modify (&ifblock2, val,
    4586              :                       fold_build2_loc (input_location, RDIV_EXPR, type, scale,
    4587              :                                        absX));
    4588           68 :       res1 = fold_build2_loc (input_location, MULT_EXPR, type, val, val);
    4589           68 :       res1 = fold_build2_loc (input_location, MULT_EXPR, type, resvar, res1);
    4590           68 :       res1 = fold_build2_loc (input_location, PLUS_EXPR, type, res1,
    4591              :                               gfc_build_const (type, integer_one_node));
    4592           68 :       gfc_add_modify (&ifblock2, resvar, res1);
    4593           68 :       gfc_add_modify (&ifblock2, scale, absX);
    4594           68 :       res1 = gfc_finish_block (&ifblock2);
    4595              : 
    4596           68 :       gfc_init_block (&ifblock3);
    4597           68 :       gfc_add_modify (&ifblock3, val,
    4598              :                       fold_build2_loc (input_location, RDIV_EXPR, type, absX,
    4599              :                                        scale));
    4600           68 :       res2 = fold_build2_loc (input_location, MULT_EXPR, type, val, val);
    4601           68 :       res2 = fold_build2_loc (input_location, PLUS_EXPR, type, resvar, res2);
    4602           68 :       gfc_add_modify (&ifblock3, resvar, res2);
    4603           68 :       res2 = gfc_finish_block (&ifblock3);
    4604              : 
    4605           68 :       cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    4606              :                               absX, scale);
    4607           68 :       tmp = build3_v (COND_EXPR, cond, res1, res2);
    4608           68 :       gfc_add_expr_to_block (&ifblock1, tmp);
    4609           68 :       tmp = gfc_finish_block (&ifblock1);
    4610              : 
    4611           68 :       cond = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    4612              :                               arrayse.expr,
    4613              :                               gfc_build_const (type, integer_zero_node));
    4614              : 
    4615           68 :       tmp = build3_v (COND_EXPR, cond, tmp, build_empty_stmt (input_location));
    4616           68 :       gfc_add_expr_to_block (&block, tmp);
    4617              :     }
    4618              :   else
    4619              :     {
    4620         2447 :       tmp = fold_build2_loc (input_location, op, type, resvar, arrayse.expr);
    4621         2447 :       gfc_add_modify (&block, resvar, tmp);
    4622              :     }
    4623              : 
    4624         2515 :   gfc_add_block_to_block (&block, &arrayse.post);
    4625              : 
    4626         2515 :   if (maskexpr && maskexpr->rank > 0)
    4627              :     {
    4628              :       /* We enclose the above in if (mask) {...} .  If the mask is an
    4629              :          optional argument, generate
    4630              :          IF (.NOT. PRESENT(MASK) .OR. MASK(I)).  */
    4631          307 :       tree ifmask;
    4632          307 :       tmp = gfc_finish_block (&block);
    4633          307 :       ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    4634          307 :       tmp = build3_v (COND_EXPR, ifmask, tmp,
    4635              :                       build_empty_stmt (input_location));
    4636          307 :     }
    4637              :   else
    4638         2208 :     tmp = gfc_finish_block (&block);
    4639         2515 :   gfc_add_expr_to_block (&body, tmp);
    4640              : 
    4641         2515 :   gfc_trans_scalarizing_loops (ploop, &body);
    4642              : 
    4643              :   /* For a scalar mask, enclose the loop in an if statement.  */
    4644         2515 :   if (maskexpr && maskexpr->rank == 0)
    4645              :     {
    4646           64 :       gfc_init_block (&block);
    4647           64 :       gfc_add_block_to_block (&block, &ploop->pre);
    4648           64 :       gfc_add_block_to_block (&block, &ploop->post);
    4649           64 :       tmp = gfc_finish_block (&block);
    4650              : 
    4651           64 :       if (expr->rank > 0)
    4652              :         {
    4653           34 :           tmp = build3_v (COND_EXPR, se->ss->info->data.scalar.value, tmp,
    4654              :                           build_empty_stmt (input_location));
    4655           34 :           gfc_advance_se_ss_chain (se);
    4656              :         }
    4657              :       else
    4658              :         {
    4659           30 :           tree ifmask;
    4660              : 
    4661           30 :           gcc_assert (expr->rank == 0);
    4662           30 :           gfc_init_se (&maskse, NULL);
    4663           30 :           gfc_conv_expr_val (&maskse, maskexpr);
    4664           30 :           ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    4665           30 :           tmp = build3_v (COND_EXPR, ifmask, tmp,
    4666              :                           build_empty_stmt (input_location));
    4667              :         }
    4668              : 
    4669           64 :       gfc_add_expr_to_block (&block, tmp);
    4670           64 :       gfc_add_block_to_block (&se->pre, &block);
    4671           64 :       gcc_assert (se->post.head == NULL);
    4672              :     }
    4673              :   else
    4674              :     {
    4675         2451 :       gfc_add_block_to_block (&se->pre, &ploop->pre);
    4676         2451 :       gfc_add_block_to_block (&se->pre, &ploop->post);
    4677              :     }
    4678              : 
    4679         2515 :   if (expr->rank == 0)
    4680         1937 :     gfc_cleanup_loop (ploop);
    4681              : 
    4682         2515 :   if (norm2)
    4683              :     {
    4684              :       /* result = scale * sqrt(result).  */
    4685           68 :       tree sqrt;
    4686           68 :       sqrt = gfc_builtin_decl_for_float_kind (BUILT_IN_SQRT, expr->ts.kind);
    4687           68 :       resvar = build_call_expr_loc (input_location,
    4688              :                                     sqrt, 1, resvar);
    4689           68 :       resvar = fold_build2_loc (input_location, MULT_EXPR, type, scale, resvar);
    4690              :     }
    4691              : 
    4692         2515 :   se->expr = resvar;
    4693         2515 : }
    4694              : 
    4695              : 
    4696              : /* Inline implementation of the dot_product intrinsic. This function
    4697              :    is based on gfc_conv_intrinsic_arith (the previous function).  */
    4698              : static void
    4699          113 : gfc_conv_intrinsic_dot_product (gfc_se * se, gfc_expr * expr)
    4700              : {
    4701          113 :   tree resvar;
    4702          113 :   tree type;
    4703          113 :   stmtblock_t body;
    4704          113 :   stmtblock_t block;
    4705          113 :   tree tmp;
    4706          113 :   gfc_loopinfo loop;
    4707          113 :   gfc_actual_arglist *actual;
    4708          113 :   gfc_ss *arrayss1, *arrayss2;
    4709          113 :   gfc_se arrayse1, arrayse2;
    4710          113 :   gfc_expr *arrayexpr1, *arrayexpr2;
    4711              : 
    4712          113 :   type = gfc_typenode_for_spec (&expr->ts);
    4713              : 
    4714              :   /* Initialize the result.  */
    4715          113 :   resvar = gfc_create_var (type, "val");
    4716          113 :   if (expr->ts.type == BT_LOGICAL)
    4717           30 :     tmp = build_int_cst (type, 0);
    4718              :   else
    4719           83 :     tmp = gfc_build_const (type, integer_zero_node);
    4720              : 
    4721          113 :   gfc_add_modify (&se->pre, resvar, tmp);
    4722              : 
    4723              :   /* Walk argument #1.  */
    4724          113 :   actual = expr->value.function.actual;
    4725          113 :   arrayexpr1 = actual->expr;
    4726          113 :   arrayss1 = gfc_walk_expr (arrayexpr1);
    4727          113 :   gcc_assert (arrayss1 != gfc_ss_terminator);
    4728              : 
    4729              :   /* Walk argument #2.  */
    4730          113 :   actual = actual->next;
    4731          113 :   arrayexpr2 = actual->expr;
    4732          113 :   arrayss2 = gfc_walk_expr (arrayexpr2);
    4733          113 :   gcc_assert (arrayss2 != gfc_ss_terminator);
    4734              : 
    4735              :   /* Initialize the scalarizer.  */
    4736          113 :   gfc_init_loopinfo (&loop);
    4737          113 :   gfc_add_ss_to_loop (&loop, arrayss1);
    4738          113 :   gfc_add_ss_to_loop (&loop, arrayss2);
    4739              : 
    4740              :   /* Initialize the loop.  */
    4741          113 :   gfc_conv_ss_startstride (&loop);
    4742          113 :   gfc_conv_loop_setup (&loop, &expr->where);
    4743              : 
    4744          113 :   gfc_mark_ss_chain_used (arrayss1, 1);
    4745          113 :   gfc_mark_ss_chain_used (arrayss2, 1);
    4746              : 
    4747              :   /* Generate the loop body.  */
    4748          113 :   gfc_start_scalarized_body (&loop, &body);
    4749          113 :   gfc_init_block (&block);
    4750              : 
    4751              :   /* Make the tree expression for [conjg(]array1[)].  */
    4752          113 :   gfc_init_se (&arrayse1, NULL);
    4753          113 :   gfc_copy_loopinfo_to_se (&arrayse1, &loop);
    4754          113 :   arrayse1.ss = arrayss1;
    4755          113 :   gfc_conv_expr_val (&arrayse1, arrayexpr1);
    4756          113 :   if (expr->ts.type == BT_COMPLEX)
    4757            9 :     arrayse1.expr = fold_build1_loc (input_location, CONJ_EXPR, type,
    4758              :                                      arrayse1.expr);
    4759          113 :   gfc_add_block_to_block (&block, &arrayse1.pre);
    4760              : 
    4761              :   /* Make the tree expression for array2.  */
    4762          113 :   gfc_init_se (&arrayse2, NULL);
    4763          113 :   gfc_copy_loopinfo_to_se (&arrayse2, &loop);
    4764          113 :   arrayse2.ss = arrayss2;
    4765          113 :   gfc_conv_expr_val (&arrayse2, arrayexpr2);
    4766          113 :   gfc_add_block_to_block (&block, &arrayse2.pre);
    4767              : 
    4768              :   /* Do the actual product and sum.  */
    4769          113 :   if (expr->ts.type == BT_LOGICAL)
    4770              :     {
    4771           30 :       tmp = fold_build2_loc (input_location, TRUTH_AND_EXPR, type,
    4772              :                              arrayse1.expr, arrayse2.expr);
    4773           30 :       tmp = fold_build2_loc (input_location, TRUTH_OR_EXPR, type, resvar, tmp);
    4774              :     }
    4775              :   else
    4776              :     {
    4777           83 :       tmp = fold_build2_loc (input_location, MULT_EXPR, type, arrayse1.expr,
    4778              :                              arrayse2.expr);
    4779           83 :       tmp = fold_build2_loc (input_location, PLUS_EXPR, type, resvar, tmp);
    4780              :     }
    4781          113 :   gfc_add_modify (&block, resvar, tmp);
    4782              : 
    4783              :   /* Finish up the loop block and the loop.  */
    4784          113 :   tmp = gfc_finish_block (&block);
    4785          113 :   gfc_add_expr_to_block (&body, tmp);
    4786              : 
    4787          113 :   gfc_trans_scalarizing_loops (&loop, &body);
    4788          113 :   gfc_add_block_to_block (&se->pre, &loop.pre);
    4789          113 :   gfc_add_block_to_block (&se->pre, &loop.post);
    4790          113 :   gfc_cleanup_loop (&loop);
    4791              : 
    4792          113 :   se->expr = resvar;
    4793          113 : }
    4794              : 
    4795              : 
    4796              : /* Tells whether the expression E is a reference to an optional variable whose
    4797              :    presence is not known at compile time.  Those are variable references without
    4798              :    subreference; if there is a subreference, we can assume the variable is
    4799              :    present.  We have to special case full arrays, which we represent with a fake
    4800              :    "full" reference, and class descriptors for which a reference to data is not
    4801              :    really a subreference.  */
    4802              : 
    4803              : bool
    4804        14613 : maybe_absent_optional_variable (gfc_expr *e)
    4805              : {
    4806        14613 :   if (!(e && e->expr_type == EXPR_VARIABLE))
    4807              :     return false;
    4808              : 
    4809         1716 :   gfc_symbol *sym = e->symtree->n.sym;
    4810         1716 :   if (!sym->attr.optional)
    4811              :     return false;
    4812              : 
    4813          224 :   gfc_ref *ref = e->ref;
    4814          224 :   if (ref == nullptr)
    4815              :     return true;
    4816              : 
    4817           20 :   if (ref->type == REF_ARRAY
    4818           20 :       && ref->u.ar.type == AR_FULL
    4819           20 :       && ref->next == nullptr)
    4820              :     return true;
    4821              : 
    4822            0 :   if (!(sym->ts.type == BT_CLASS
    4823            0 :         && ref->type == REF_COMPONENT
    4824            0 :         && ref->u.c.component == CLASS_DATA (sym)))
    4825              :     return false;
    4826              : 
    4827            0 :   gfc_ref *next_ref = ref->next;
    4828            0 :   if (next_ref == nullptr)
    4829              :     return true;
    4830              : 
    4831            0 :   if (next_ref->type == REF_ARRAY
    4832            0 :       && next_ref->u.ar.type == AR_FULL
    4833            0 :       && next_ref->next == nullptr)
    4834            0 :     return true;
    4835              : 
    4836              :   return false;
    4837              : }
    4838              : 
    4839              : 
    4840              : /* Emit code for minloc or maxloc intrinsic.  There are many different cases
    4841              :    we need to handle.  For performance reasons we sometimes create two
    4842              :    loops instead of one, where the second one is much simpler.
    4843              :    Examples for minloc intrinsic:
    4844              :    A: Result is scalar.
    4845              :       1) Array mask is used and NaNs need to be supported:
    4846              :          limit = Infinity;
    4847              :          pos = 0;
    4848              :          S = from;
    4849              :          while (S <= to) {
    4850              :            if (mask[S]) {
    4851              :              if (pos == 0) pos = S + (1 - from);
    4852              :              if (a[S] <= limit) {
    4853              :                limit = a[S];
    4854              :                pos = S + (1 - from);
    4855              :                goto lab1;
    4856              :              }
    4857              :            }
    4858              :            S++;
    4859              :          }
    4860              :          goto lab2;
    4861              :          lab1:;
    4862              :          while (S <= to) {
    4863              :            if (mask[S])
    4864              :              if (a[S] < limit) {
    4865              :                limit = a[S];
    4866              :                pos = S + (1 - from);
    4867              :              }
    4868              :            S++;
    4869              :          }
    4870              :          lab2:;
    4871              :       2) NaNs need to be supported, but it is known at compile time or cheaply
    4872              :          at runtime whether array is nonempty or not:
    4873              :          limit = Infinity;
    4874              :          pos = 0;
    4875              :          S = from;
    4876              :          while (S <= to) {
    4877              :            if (a[S] <= limit) {
    4878              :              limit = a[S];
    4879              :              pos = S + (1 - from);
    4880              :              goto lab1;
    4881              :            }
    4882              :            S++;
    4883              :          }
    4884              :          if (from <= to) pos = 1;
    4885              :          goto lab2;
    4886              :          lab1:;
    4887              :          while (S <= to) {
    4888              :            if (a[S] < limit) {
    4889              :              limit = a[S];
    4890              :              pos = S + (1 - from);
    4891              :            }
    4892              :            S++;
    4893              :          }
    4894              :          lab2:;
    4895              :       3) NaNs aren't supported, array mask is used:
    4896              :          limit = infinities_supported ? Infinity : huge (limit);
    4897              :          pos = 0;
    4898              :          S = from;
    4899              :          while (S <= to) {
    4900              :            if (mask[S]) {
    4901              :              limit = a[S];
    4902              :              pos = S + (1 - from);
    4903              :              goto lab1;
    4904              :            }
    4905              :            S++;
    4906              :          }
    4907              :          goto lab2;
    4908              :          lab1:;
    4909              :          while (S <= to) {
    4910              :            if (mask[S])
    4911              :              if (a[S] < limit) {
    4912              :                limit = a[S];
    4913              :                pos = S + (1 - from);
    4914              :              }
    4915              :            S++;
    4916              :          }
    4917              :          lab2:;
    4918              :       4) Same without array mask:
    4919              :          limit = infinities_supported ? Infinity : huge (limit);
    4920              :          pos = (from <= to) ? 1 : 0;
    4921              :          S = from;
    4922              :          while (S <= to) {
    4923              :            if (a[S] < limit) {
    4924              :              limit = a[S];
    4925              :              pos = S + (1 - from);
    4926              :            }
    4927              :            S++;
    4928              :          }
    4929              :    B: Array result, non-CHARACTER type, DIM absent
    4930              :       Generate similar code as in the scalar case, using a collection of
    4931              :       variables (one per dimension) instead of a single variable as result.
    4932              :       Picking only cases 1) and 4) with ARRAY of rank 2, the generated code
    4933              :       becomes:
    4934              :       1) Array mask is used and NaNs need to be supported:
    4935              :          limit = Infinity;
    4936              :          pos0 = 0;
    4937              :          pos1 = 0;
    4938              :          S1 = from1;
    4939              :          second_loop_entry = false;
    4940              :          while (S1 <= to1) {
    4941              :            S0 = from0;
    4942              :            while (s0 <= to0 {
    4943              :              if (mask[S1][S0]) {
    4944              :                if (pos0 == 0) {
    4945              :                  pos0 = S0 + (1 - from0);
    4946              :                  pos1 = S1 + (1 - from1);
    4947              :                }
    4948              :                if (a[S1][S0] <= limit) {
    4949              :                  limit = a[S1][S0];
    4950              :                  pos0 = S0 + (1 - from0);
    4951              :                  pos1 = S1 + (1 - from1);
    4952              :                  second_loop_entry = true;
    4953              :                  goto lab1;
    4954              :                }
    4955              :              }
    4956              :              S0++;
    4957              :            }
    4958              :            S1++;
    4959              :          }
    4960              :          goto lab2;
    4961              :          lab1:;
    4962              :          S1 = second_loop_entry ? S1 : from1;
    4963              :          while (S1 <= to1) {
    4964              :            S0 = second_loop_entry ? S0 : from0;
    4965              :            while (S0 <= to0) {
    4966              :              if (mask[S1][S0])
    4967              :                if (a[S1][S0] < limit) {
    4968              :                  limit = a[S1][S0];
    4969              :                  pos0 = S + (1 - from0);
    4970              :                  pos1 = S + (1 - from1);
    4971              :                }
    4972              :              second_loop_entry = false;
    4973              :              S0++;
    4974              :            }
    4975              :            S1++;
    4976              :          }
    4977              :          lab2:;
    4978              :          result = { pos0, pos1 };
    4979              :       ...
    4980              :       4) NANs aren't supported, no array mask.
    4981              :          limit = infinities_supported ? Infinity : huge (limit);
    4982              :          pos0 = (from0 <= to0 && from1 <= to1) ? 1 : 0;
    4983              :          pos1 = (from0 <= to0 && from1 <= to1) ? 1 : 0;
    4984              :          S1 = from1;
    4985              :          while (S1 <= to1) {
    4986              :            S0 = from0;
    4987              :            while (S0 <= to0) {
    4988              :              if (a[S1][S0] < limit) {
    4989              :                limit = a[S1][S0];
    4990              :                pos0 = S + (1 - from0);
    4991              :                pos1 = S + (1 - from1);
    4992              :              }
    4993              :              S0++;
    4994              :            }
    4995              :            S1++;
    4996              :          }
    4997              :          result = { pos0, pos1 };
    4998              :    C: Otherwise, a call is generated.
    4999              :    For 2) and 4), if mask is scalar, this all goes into a conditional,
    5000              :    setting pos = 0; in the else branch.
    5001              : 
    5002              :    Since we now also support the BACK argument, instead of using
    5003              :    if (a[S] < limit), we now use
    5004              : 
    5005              :    if (back)
    5006              :      cond = a[S] <= limit;
    5007              :    else
    5008              :      cond = a[S] < limit;
    5009              :    if (cond) {
    5010              :      ....
    5011              : 
    5012              :    The optimizer is smart enough to move the condition out of the loop.
    5013              :    They are now marked as unlikely too for further speedup.  */
    5014              : 
    5015              : static void
    5016        18898 : gfc_conv_intrinsic_minmaxloc (gfc_se * se, gfc_expr * expr, enum tree_code op)
    5017              : {
    5018        18898 :   stmtblock_t body;
    5019        18898 :   stmtblock_t block;
    5020        18898 :   stmtblock_t ifblock;
    5021        18898 :   stmtblock_t elseblock;
    5022        18898 :   tree limit;
    5023        18898 :   tree type;
    5024        18898 :   tree tmp;
    5025        18898 :   tree cond;
    5026        18898 :   tree elsetmp;
    5027        18898 :   tree ifbody;
    5028        18898 :   tree offset[GFC_MAX_DIMENSIONS];
    5029        18898 :   tree nonempty;
    5030        18898 :   tree lab1, lab2;
    5031        18898 :   tree b_if, b_else;
    5032        18898 :   tree back;
    5033        18898 :   gfc_loopinfo loop, *ploop;
    5034        18898 :   gfc_actual_arglist *array_arg, *dim_arg, *mask_arg, *kind_arg;
    5035        18898 :   gfc_actual_arglist *back_arg;
    5036        18898 :   gfc_ss *arrayss = nullptr;
    5037        18898 :   gfc_ss *maskss = nullptr;
    5038        18898 :   gfc_ss *orig_ss = nullptr;
    5039        18898 :   gfc_se arrayse;
    5040        18898 :   gfc_se maskse;
    5041        18898 :   gfc_se nested_se;
    5042        18898 :   gfc_se *base_se;
    5043        18898 :   gfc_expr *arrayexpr;
    5044        18898 :   gfc_expr *maskexpr;
    5045        18898 :   gfc_expr *backexpr;
    5046        18898 :   gfc_se backse;
    5047        18898 :   tree pos[GFC_MAX_DIMENSIONS];
    5048        18898 :   tree idx[GFC_MAX_DIMENSIONS];
    5049        18898 :   tree result_var = NULL_TREE;
    5050        18898 :   int n;
    5051        18898 :   bool optional_mask;
    5052              : 
    5053        18898 :   array_arg = expr->value.function.actual;
    5054        18898 :   dim_arg = array_arg->next;
    5055        18898 :   mask_arg = dim_arg->next;
    5056        18898 :   kind_arg = mask_arg->next;
    5057        18898 :   back_arg = kind_arg->next;
    5058              : 
    5059        18898 :   bool dim_present = dim_arg->expr != nullptr;
    5060        18898 :   bool nested_loop = dim_present && expr->rank > 0;
    5061              : 
    5062              :   /* Remove kind.  */
    5063        18898 :   if (kind_arg->expr)
    5064              :     {
    5065         2240 :       gfc_free_expr (kind_arg->expr);
    5066         2240 :       kind_arg->expr = NULL;
    5067              :     }
    5068              : 
    5069              :   /* Pass BACK argument by value.  */
    5070        18898 :   back_arg->name = "%VAL";
    5071              : 
    5072        18898 :   if (se->ss)
    5073              :     {
    5074        14732 :       if (se->ss->info->useflags)
    5075              :         {
    5076         7671 :           if (!dim_present || !gfc_inline_intrinsic_function_p (expr))
    5077              :             {
    5078              :               /* The code generating and initializing the result array has been
    5079              :                  generated already before the scalarization loop, either with a
    5080              :                  library function call or with inline code; now we can just use
    5081              :                  the result.  */
    5082         4875 :               gfc_conv_tmp_array_ref (se);
    5083        13822 :               return;
    5084              :             }
    5085              :         }
    5086         7061 :       else if (!gfc_inline_intrinsic_function_p (expr))
    5087              :         {
    5088         3780 :           gfc_conv_intrinsic_funcall (se, expr);
    5089         3780 :           return;
    5090              :         }
    5091              :     }
    5092              : 
    5093        10243 :   arrayexpr = array_arg->expr;
    5094              : 
    5095              :   /* Special case for character maxloc.  Remove unneeded "dim" actual
    5096              :      argument, then call a library function.  */
    5097              : 
    5098        10243 :   if (arrayexpr->ts.type == BT_CHARACTER)
    5099              :     {
    5100          292 :       gcc_assert (expr->rank == 0);
    5101              : 
    5102          292 :       if (dim_arg->expr)
    5103              :         {
    5104          292 :           gfc_free_expr (dim_arg->expr);
    5105          292 :           dim_arg->expr = NULL;
    5106              :         }
    5107          292 :       gfc_conv_intrinsic_funcall (se, expr);
    5108          292 :       return;
    5109              :     }
    5110              : 
    5111         9951 :   type = gfc_typenode_for_spec (&expr->ts);
    5112              : 
    5113         9951 :   if (expr->rank > 0 && !dim_present)
    5114              :     {
    5115         3281 :       gfc_array_spec as;
    5116         3281 :       memset (&as, 0, sizeof (as));
    5117              : 
    5118         3281 :       as.rank = 1;
    5119         3281 :       as.lower[0] = gfc_get_int_expr (gfc_index_integer_kind,
    5120              :                                       &arrayexpr->where,
    5121              :                                       HOST_WIDE_INT_1);
    5122         6562 :       as.upper[0] = gfc_get_int_expr (gfc_index_integer_kind,
    5123              :                                       &arrayexpr->where,
    5124         3281 :                                       arrayexpr->rank);
    5125              : 
    5126         3281 :       tree array = gfc_get_nodesc_array_type (type, &as, PACKED_STATIC, true);
    5127              : 
    5128         3281 :       result_var = gfc_create_var (array, "loc_result");
    5129              :     }
    5130              : 
    5131         7155 :   const int reduction_dimensions = dim_present ? 1 : arrayexpr->rank;
    5132              : 
    5133              :   /* Initialize the result.  */
    5134        22177 :   for (int i = 0; i < reduction_dimensions; i++)
    5135              :     {
    5136        12226 :       pos[i] = gfc_create_var (gfc_array_index_type,
    5137              :                                gfc_get_string ("pos%d", i));
    5138        12226 :       offset[i] = gfc_create_var (gfc_array_index_type,
    5139              :                                   gfc_get_string ("offset%d", i));
    5140        12226 :       idx[i] = gfc_create_var (gfc_array_index_type,
    5141              :                                gfc_get_string ("idx%d", i));
    5142              :     }
    5143              : 
    5144         9951 :   maskexpr = mask_arg->expr;
    5145         6518 :   optional_mask = maskexpr && maskexpr->expr_type == EXPR_VARIABLE
    5146         5329 :     && maskexpr->symtree->n.sym->attr.dummy
    5147        10116 :     && maskexpr->symtree->n.sym->attr.optional;
    5148         9951 :   backexpr = back_arg->expr;
    5149              : 
    5150        17106 :   gfc_init_se (&backse, nested_loop ? se : nullptr);
    5151         9951 :   if (backexpr == nullptr)
    5152            0 :     back = logical_false_node;
    5153         9951 :   else if (maybe_absent_optional_variable (backexpr))
    5154              :     {
    5155              :       /* This should have been checked already by
    5156              :          maybe_absent_optional_variable.  */
    5157          184 :       gcc_checking_assert (backexpr->expr_type == EXPR_VARIABLE);
    5158              : 
    5159          184 :       gfc_conv_expr (&backse, backexpr);
    5160          184 :       tree present = gfc_conv_expr_present (backexpr->symtree->n.sym, false);
    5161          184 :       back = fold_build2_loc (input_location, TRUTH_ANDIF_EXPR,
    5162              :                               logical_type_node, present, backse.expr);
    5163              :     }
    5164              :   else
    5165              :     {
    5166         9767 :       gfc_conv_expr (&backse, backexpr);
    5167         9767 :       back = backse.expr;
    5168              :     }
    5169         9951 :   gfc_add_block_to_block (&se->pre, &backse.pre);
    5170         9951 :   back = gfc_evaluate_now_loc (input_location, back, &se->pre);
    5171         9951 :   gfc_add_block_to_block (&se->pre, &backse.post);
    5172              : 
    5173         9951 :   if (nested_loop)
    5174              :     {
    5175         2796 :       gfc_init_se (&nested_se, se);
    5176         2796 :       base_se = &nested_se;
    5177              :     }
    5178              :   else
    5179              :     {
    5180              :       /* Walk the arguments.  */
    5181         7155 :       arrayss = gfc_walk_expr (arrayexpr);
    5182         7155 :       gcc_assert (arrayss != gfc_ss_terminator);
    5183              : 
    5184         7155 :       if (maskexpr && maskexpr->rank != 0)
    5185              :         {
    5186         2700 :           maskss = gfc_walk_expr (maskexpr);
    5187         2700 :           gcc_assert (maskss != gfc_ss_terminator);
    5188              :         }
    5189              : 
    5190              :       base_se = nullptr;
    5191              :     }
    5192              : 
    5193        18091 :   nonempty = nullptr;
    5194         7448 :   if (!(maskexpr && maskexpr->rank > 0))
    5195              :     {
    5196         6077 :       mpz_t asize;
    5197         6077 :       bool reduction_size_known;
    5198              : 
    5199         6077 :       if (dim_present)
    5200              :         {
    5201         4032 :           int reduction_dim;
    5202         4032 :           if (dim_arg->expr->expr_type == EXPR_CONSTANT)
    5203         4030 :             reduction_dim = mpz_get_si (dim_arg->expr->value.integer) - 1;
    5204            2 :           else if (arrayexpr->rank == 1)
    5205              :             reduction_dim = 0;
    5206              :           else
    5207            0 :             gcc_unreachable ();
    5208         4032 :           reduction_size_known = gfc_array_dimen_size (arrayexpr, reduction_dim,
    5209              :                                                        &asize);
    5210              :         }
    5211              :       else
    5212         2045 :         reduction_size_known = gfc_array_size (arrayexpr, &asize);
    5213              : 
    5214         6077 :       if (reduction_size_known)
    5215              :         {
    5216         4482 :           nonempty = gfc_conv_mpz_to_tree (asize, gfc_index_integer_kind);
    5217         4482 :           mpz_clear (asize);
    5218         4482 :           nonempty = fold_build2_loc (input_location, GT_EXPR,
    5219              :                                       logical_type_node, nonempty,
    5220              :                                       gfc_index_zero_node);
    5221              :         }
    5222         6077 :       maskss = NULL;
    5223              :     }
    5224              : 
    5225         9951 :   limit = gfc_create_var (gfc_typenode_for_spec (&arrayexpr->ts), "limit");
    5226         9951 :   switch (arrayexpr->ts.type)
    5227              :     {
    5228         3898 :     case BT_REAL:
    5229         3898 :       tmp = gfc_build_inf_or_huge (TREE_TYPE (limit), arrayexpr->ts.kind);
    5230         3898 :       break;
    5231              : 
    5232         6029 :     case BT_INTEGER:
    5233         6029 :       n = gfc_validate_kind (arrayexpr->ts.type, arrayexpr->ts.kind, false);
    5234         6029 :       tmp = gfc_conv_mpz_to_tree (gfc_integer_kinds[n].huge,
    5235              :                                   arrayexpr->ts.kind);
    5236         6029 :       break;
    5237              : 
    5238           24 :     case BT_UNSIGNED:
    5239              :       /* For MAXVAL, the minimum is zero, for MINVAL it is HUGE().  */
    5240           24 :       if (op == GT_EXPR)
    5241              :         {
    5242           12 :           tmp = gfc_get_unsigned_type (arrayexpr->ts.kind);
    5243           12 :           tmp = build_int_cst (tmp, 0);
    5244              :         }
    5245              :       else
    5246              :         {
    5247           12 :           n = gfc_validate_kind (arrayexpr->ts.type, arrayexpr->ts.kind, false);
    5248           12 :           tmp = gfc_conv_mpz_unsigned_to_tree (gfc_unsigned_kinds[n].huge,
    5249              :                                                expr->ts.kind);
    5250              :         }
    5251              :       break;
    5252              : 
    5253            0 :     default:
    5254            0 :       gcc_unreachable ();
    5255              :     }
    5256              : 
    5257              :   /* We start with the most negative possible value for MAXLOC, and the most
    5258              :      positive possible value for MINLOC. The most negative possible value is
    5259              :      -HUGE for BT_REAL and (-HUGE - 1) for BT_INTEGER; the most positive
    5260              :      possible value is HUGE in both cases.  BT_UNSIGNED has already been dealt
    5261              :      with above.  */
    5262         9951 :   if (op == GT_EXPR && expr->ts.type != BT_UNSIGNED)
    5263         4724 :     tmp = fold_build1_loc (input_location, NEGATE_EXPR, TREE_TYPE (tmp), tmp);
    5264         4724 :   if (op == GT_EXPR && arrayexpr->ts.type == BT_INTEGER)
    5265         2914 :     tmp = fold_build2_loc (input_location, MINUS_EXPR, TREE_TYPE (tmp), tmp,
    5266         2914 :                            build_int_cst (TREE_TYPE (tmp), 1));
    5267              : 
    5268         9951 :   gfc_add_modify (&se->pre, limit, tmp);
    5269              : 
    5270              :   /* If we are in a case where we generate two sets of loops, the second one
    5271              :      should continue where the first stopped instead of restarting from the
    5272              :      beginning.  So nested loops in the second set should have a partial range
    5273              :      on the first iteration, but they should start from the beginning and span
    5274              :      their full range on the following iterations.  So we use conditionals in
    5275              :      the loops lower bounds, and use the following variable in those
    5276              :      conditionals to decide whether to use the original loop bound or to use
    5277              :      the index at which the loop from the first set stopped.  */
    5278         9951 :   tree second_loop_entry = gfc_create_var (logical_type_node,
    5279              :                                            "second_loop_entry");
    5280         9951 :   gfc_add_modify (&se->pre, second_loop_entry, logical_false_node);
    5281              : 
    5282         9951 :   if (nested_loop)
    5283              :     {
    5284         2796 :       ploop = enter_nested_loop (&nested_se);
    5285         2796 :       orig_ss = nested_se.ss;
    5286         2796 :       ploop->temp_dim = 1;
    5287              :     }
    5288              :   else
    5289              :     {
    5290              :       /* Initialize the scalarizer.  */
    5291         7155 :       gfc_init_loopinfo (&loop);
    5292              : 
    5293              :       /* We add the mask first because the number of iterations is taken
    5294              :          from the last ss, and this breaks if an absent optional argument
    5295              :          is used for mask.  */
    5296              : 
    5297         7155 :       if (maskss)
    5298         2700 :         gfc_add_ss_to_loop (&loop, maskss);
    5299              : 
    5300         7155 :       gfc_add_ss_to_loop (&loop, arrayss);
    5301              : 
    5302              :       /* Initialize the loop.  */
    5303         7155 :       gfc_conv_ss_startstride (&loop);
    5304              : 
    5305              :       /* The code generated can have more than one loop in sequence (see the
    5306              :          comment at the function header).  This doesn't work well with the
    5307              :          scalarizer, which changes arrays' offset when the scalarization loops
    5308              :          are generated (see gfc_trans_preloop_setup).  Fortunately, we can use
    5309              :          the scalarizer temporary code to handle multiple loops.  Thus, we set
    5310              :          temp_dim here, we call gfc_mark_ss_chain_used with flag=3 later, and
    5311              :          we use gfc_trans_scalarized_loop_boundary even later to restore
    5312              :          offset.  */
    5313         7155 :       loop.temp_dim = loop.dimen;
    5314         7155 :       gfc_conv_loop_setup (&loop, &expr->where);
    5315              : 
    5316         7155 :       ploop = &loop;
    5317              :     }
    5318              : 
    5319         9951 :   gcc_assert (reduction_dimensions == ploop->dimen);
    5320              : 
    5321         9951 :   if (nonempty == NULL && !(maskexpr && maskexpr->rank > 0))
    5322              :     {
    5323         1595 :       nonempty = logical_true_node;
    5324              : 
    5325         3697 :       for (int i = 0; i < ploop->dimen; i++)
    5326              :         {
    5327         2102 :           if (!(ploop->from[i] && ploop->to[i]))
    5328              :             {
    5329              :               nonempty = NULL;
    5330              :               break;
    5331              :             }
    5332              : 
    5333         2102 :           tree tmp = fold_build2_loc (input_location, LE_EXPR,
    5334              :                                       logical_type_node, ploop->from[i],
    5335              :                                       ploop->to[i]);
    5336              : 
    5337         2102 :           nonempty = fold_build2_loc (input_location, TRUTH_ANDIF_EXPR,
    5338              :                                       logical_type_node, nonempty, tmp);
    5339              :         }
    5340              :     }
    5341              : 
    5342        11546 :   lab1 = NULL;
    5343        11546 :   lab2 = NULL;
    5344              :   /* Initialize the position to zero, following Fortran 2003.  We are free
    5345              :      to do this because Fortran 95 allows the result of an entirely false
    5346              :      mask to be processor dependent.  If we know at compile time the array
    5347              :      is non-empty and no MASK is used, we can initialize to 1 to simplify
    5348              :      the inner loop.  */
    5349         9951 :   if (nonempty != NULL && !HONOR_NANS (DECL_MODE (limit)))
    5350              :     {
    5351         3748 :       tree init = fold_build3_loc (input_location, COND_EXPR,
    5352              :                                    gfc_array_index_type, nonempty,
    5353              :                                    gfc_index_one_node,
    5354              :                                    gfc_index_zero_node);
    5355         8430 :       for (int i = 0; i < ploop->dimen; i++)
    5356         4682 :         gfc_add_modify (&ploop->pre, pos[i], init);
    5357              :     }
    5358              :   else
    5359              :     {
    5360        13747 :       for (int i = 0; i < ploop->dimen; i++)
    5361         7544 :         gfc_add_modify (&ploop->pre, pos[i], gfc_index_zero_node);
    5362         6203 :       lab1 = gfc_build_label_decl (NULL_TREE);
    5363         6203 :       TREE_USED (lab1) = 1;
    5364         6203 :       lab2 = gfc_build_label_decl (NULL_TREE);
    5365         6203 :       TREE_USED (lab2) = 1;
    5366              :     }
    5367              : 
    5368              :   /* An offset must be added to the loop
    5369              :      counter to obtain the required position.  */
    5370        22177 :   for (int i = 0; i < ploop->dimen; i++)
    5371              :     {
    5372        12226 :       gcc_assert (ploop->from[i]);
    5373              : 
    5374        12226 :       tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
    5375              :                              gfc_index_one_node, ploop->from[i]);
    5376        12226 :       gfc_add_modify (&ploop->pre, offset[i], tmp);
    5377              :     }
    5378              : 
    5379         9951 :   if (!nested_loop)
    5380              :     {
    5381         9965 :       gfc_mark_ss_chain_used (arrayss, lab1 ? 3 : 1);
    5382         7155 :       if (maskss)
    5383         2700 :         gfc_mark_ss_chain_used (maskss, lab1 ? 3 : 1);
    5384              :     }
    5385              : 
    5386              :   /* Generate the loop body.  */
    5387         9951 :   gfc_start_scalarized_body (ploop, &body);
    5388              : 
    5389              :   /* If we have a mask, only check this element if the mask is set.  */
    5390         9951 :   if (maskexpr && maskexpr->rank > 0)
    5391              :     {
    5392         3874 :       gfc_init_se (&maskse, base_se);
    5393         3874 :       gfc_copy_loopinfo_to_se (&maskse, ploop);
    5394         3874 :       if (!nested_loop)
    5395         2700 :         maskse.ss = maskss;
    5396         3874 :       gfc_conv_expr_val (&maskse, maskexpr);
    5397         3874 :       gfc_add_block_to_block (&body, &maskse.pre);
    5398              : 
    5399         3874 :       gfc_start_block (&block);
    5400              :     }
    5401              :   else
    5402         6077 :     gfc_init_block (&block);
    5403              : 
    5404              :   /* Compare with the current limit.  */
    5405         9951 :   gfc_init_se (&arrayse, base_se);
    5406         9951 :   gfc_copy_loopinfo_to_se (&arrayse, ploop);
    5407         9951 :   if (!nested_loop)
    5408         7155 :     arrayse.ss = arrayss;
    5409         9951 :   gfc_conv_expr_val (&arrayse, arrayexpr);
    5410         9951 :   gfc_add_block_to_block (&block, &arrayse.pre);
    5411              : 
    5412              :   /* We do the following if this is a more extreme value.  */
    5413         9951 :   gfc_start_block (&ifblock);
    5414              : 
    5415              :   /* Assign the value to the limit...  */
    5416         9951 :   gfc_add_modify (&ifblock, limit, arrayse.expr);
    5417              : 
    5418         9951 :   if (nonempty == NULL && HONOR_NANS (DECL_MODE (limit)))
    5419              :     {
    5420         1569 :       stmtblock_t ifblock2;
    5421         1569 :       tree ifbody2;
    5422              : 
    5423         1569 :       gfc_start_block (&ifblock2);
    5424         3439 :       for (int i = 0; i < ploop->dimen; i++)
    5425              :         {
    5426         1870 :           tmp = fold_build2_loc (input_location, PLUS_EXPR, TREE_TYPE (pos[i]),
    5427              :                                  ploop->loopvar[i], offset[i]);
    5428         1870 :           gfc_add_modify (&ifblock2, pos[i], tmp);
    5429              :         }
    5430         1569 :       ifbody2 = gfc_finish_block (&ifblock2);
    5431              : 
    5432         1569 :       cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    5433              :                               pos[0], gfc_index_zero_node);
    5434         1569 :       tmp = build3_v (COND_EXPR, cond, ifbody2,
    5435              :                       build_empty_stmt (input_location));
    5436         1569 :       gfc_add_expr_to_block (&block, tmp);
    5437              :     }
    5438              : 
    5439        22177 :   for (int i = 0; i < ploop->dimen; i++)
    5440              :     {
    5441        12226 :       tmp = fold_build2_loc (input_location, PLUS_EXPR, TREE_TYPE (pos[i]),
    5442              :                              ploop->loopvar[i], offset[i]);
    5443        12226 :       gfc_add_modify (&ifblock, pos[i], tmp);
    5444        12226 :       gfc_add_modify (&ifblock, idx[i], ploop->loopvar[i]);
    5445              :     }
    5446              : 
    5447         9951 :   gfc_add_modify (&ifblock, second_loop_entry, logical_true_node);
    5448              : 
    5449         9951 :   if (lab1)
    5450         6203 :     gfc_add_expr_to_block (&ifblock, build1_v (GOTO_EXPR, lab1));
    5451              : 
    5452         9951 :   ifbody = gfc_finish_block (&ifblock);
    5453              : 
    5454         9951 :   if (!lab1 || HONOR_NANS (DECL_MODE (limit)))
    5455              :     {
    5456         7646 :       if (lab1)
    5457         5998 :         cond = fold_build2_loc (input_location,
    5458              :                                 op == GT_EXPR ? GE_EXPR : LE_EXPR,
    5459              :                                 logical_type_node, arrayse.expr, limit);
    5460              :       else
    5461              :         {
    5462         3748 :           tree ifbody2, elsebody2;
    5463              : 
    5464              :           /* We switch to > or >= depending on the value of the BACK argument. */
    5465         3748 :           cond = gfc_create_var (logical_type_node, "cond");
    5466              : 
    5467         3748 :           gfc_start_block (&ifblock);
    5468         5641 :           b_if = fold_build2_loc (input_location, op == GT_EXPR ? GE_EXPR : LE_EXPR,
    5469              :                                   logical_type_node, arrayse.expr, limit);
    5470              : 
    5471         3748 :           gfc_add_modify (&ifblock, cond, b_if);
    5472         3748 :           ifbody2 = gfc_finish_block (&ifblock);
    5473              : 
    5474         3748 :           gfc_start_block (&elseblock);
    5475         3748 :           b_else = fold_build2_loc (input_location, op, logical_type_node,
    5476              :                                     arrayse.expr, limit);
    5477              : 
    5478         3748 :           gfc_add_modify (&elseblock, cond, b_else);
    5479         3748 :           elsebody2 = gfc_finish_block (&elseblock);
    5480              : 
    5481         3748 :           tmp = fold_build3_loc (input_location, COND_EXPR, logical_type_node,
    5482              :                                  back, ifbody2, elsebody2);
    5483              : 
    5484         3748 :           gfc_add_expr_to_block (&block, tmp);
    5485              :         }
    5486              : 
    5487         7646 :       cond = gfc_unlikely (cond, PRED_BUILTIN_EXPECT);
    5488         7646 :       ifbody = build3_v (COND_EXPR, cond, ifbody,
    5489              :                          build_empty_stmt (input_location));
    5490              :     }
    5491         9951 :   gfc_add_expr_to_block (&block, ifbody);
    5492              : 
    5493         9951 :   if (maskexpr && maskexpr->rank > 0)
    5494              :     {
    5495              :       /* We enclose the above in if (mask) {...}.  If the mask is an
    5496              :          optional argument, generate IF (.NOT. PRESENT(MASK)
    5497              :          .OR. MASK(I)). */
    5498              : 
    5499         3874 :       tree ifmask;
    5500         3874 :       ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    5501         3874 :       tmp = gfc_finish_block (&block);
    5502         3874 :       tmp = build3_v (COND_EXPR, ifmask, tmp,
    5503              :                       build_empty_stmt (input_location));
    5504         3874 :     }
    5505              :   else
    5506         6077 :     tmp = gfc_finish_block (&block);
    5507         9951 :   gfc_add_expr_to_block (&body, tmp);
    5508              : 
    5509         9951 :   if (lab1)
    5510              :     {
    5511        13747 :       for (int i = 0; i < ploop->dimen; i++)
    5512         7544 :         ploop->from[i] = fold_build3_loc (input_location, COND_EXPR,
    5513         7544 :                                           TREE_TYPE (ploop->from[i]),
    5514              :                                           second_loop_entry, idx[i],
    5515              :                                           ploop->from[i]);
    5516              : 
    5517         6203 :       gfc_trans_scalarized_loop_boundary (ploop, &body);
    5518              : 
    5519         6203 :       if (nested_loop)
    5520              :         {
    5521              :           /* The first loop already advanced the parent se'ss chain, so clear
    5522              :              the parent now to avoid doing it a second time, making the chain
    5523              :              out of sync.  */
    5524         1858 :           nested_se.parent = nullptr;
    5525         1858 :           nested_se.ss = orig_ss;
    5526              :         }
    5527              : 
    5528         6203 :       stmtblock_t * const outer_block = &ploop->code[ploop->dimen - 1];
    5529              : 
    5530         6203 :       if (HONOR_NANS (DECL_MODE (limit)))
    5531              :         {
    5532         3898 :           if (nonempty != NULL)
    5533              :             {
    5534         2329 :               stmtblock_t init_block;
    5535         2329 :               gfc_init_block (&init_block);
    5536              : 
    5537         5229 :               for (int i = 0; i < ploop->dimen; i++)
    5538         2900 :                 gfc_add_modify (&init_block, pos[i], gfc_index_one_node);
    5539              : 
    5540         2329 :               tree ifbody = gfc_finish_block (&init_block);
    5541         2329 :               tmp = build3_v (COND_EXPR, nonempty, ifbody,
    5542              :                               build_empty_stmt (input_location));
    5543         2329 :               gfc_add_expr_to_block (outer_block, tmp);
    5544              :             }
    5545              :         }
    5546              : 
    5547         6203 :       gfc_add_expr_to_block (outer_block, build1_v (GOTO_EXPR, lab2));
    5548         6203 :       gfc_add_expr_to_block (outer_block, build1_v (LABEL_EXPR, lab1));
    5549              : 
    5550              :       /* If we have a mask, only check this element if the mask is set.  */
    5551         6203 :       if (maskexpr && maskexpr->rank > 0)
    5552              :         {
    5553         3874 :           gfc_init_se (&maskse, base_se);
    5554         3874 :           gfc_copy_loopinfo_to_se (&maskse, ploop);
    5555         3874 :           if (!nested_loop)
    5556         2700 :             maskse.ss = maskss;
    5557         3874 :           gfc_conv_expr_val (&maskse, maskexpr);
    5558         3874 :           gfc_add_block_to_block (&body, &maskse.pre);
    5559              : 
    5560         3874 :           gfc_start_block (&block);
    5561              :         }
    5562              :       else
    5563         2329 :         gfc_init_block (&block);
    5564              : 
    5565              :       /* Compare with the current limit.  */
    5566         6203 :       gfc_init_se (&arrayse, base_se);
    5567         6203 :       gfc_copy_loopinfo_to_se (&arrayse, ploop);
    5568         6203 :       if (!nested_loop)
    5569         4345 :         arrayse.ss = arrayss;
    5570         6203 :       gfc_conv_expr_val (&arrayse, arrayexpr);
    5571         6203 :       gfc_add_block_to_block (&block, &arrayse.pre);
    5572              : 
    5573              :       /* We do the following if this is a more extreme value.  */
    5574         6203 :       gfc_start_block (&ifblock);
    5575              : 
    5576              :       /* Assign the value to the limit...  */
    5577         6203 :       gfc_add_modify (&ifblock, limit, arrayse.expr);
    5578              : 
    5579        13747 :       for (int i = 0; i < ploop->dimen; i++)
    5580              :         {
    5581         7544 :           tmp = fold_build2_loc (input_location, PLUS_EXPR, TREE_TYPE (pos[i]),
    5582              :                                  ploop->loopvar[i], offset[i]);
    5583         7544 :           gfc_add_modify (&ifblock, pos[i], tmp);
    5584              :         }
    5585              : 
    5586         6203 :       ifbody = gfc_finish_block (&ifblock);
    5587              : 
    5588              :       /* We switch to > or >= depending on the value of the BACK argument. */
    5589         6203 :       {
    5590         6203 :         tree ifbody2, elsebody2;
    5591              : 
    5592         6203 :         cond = gfc_create_var (logical_type_node, "cond");
    5593              : 
    5594         6203 :         gfc_start_block (&ifblock);
    5595         9537 :         b_if = fold_build2_loc (input_location, op == GT_EXPR ? GE_EXPR : LE_EXPR,
    5596              :                                 logical_type_node, arrayse.expr, limit);
    5597              : 
    5598         6203 :         gfc_add_modify (&ifblock, cond, b_if);
    5599         6203 :         ifbody2 = gfc_finish_block (&ifblock);
    5600              : 
    5601         6203 :         gfc_start_block (&elseblock);
    5602         6203 :         b_else = fold_build2_loc (input_location, op, logical_type_node,
    5603              :                                   arrayse.expr, limit);
    5604              : 
    5605         6203 :         gfc_add_modify (&elseblock, cond, b_else);
    5606         6203 :         elsebody2 = gfc_finish_block (&elseblock);
    5607              : 
    5608         6203 :         tmp = fold_build3_loc (input_location, COND_EXPR, logical_type_node,
    5609              :                                back, ifbody2, elsebody2);
    5610              :       }
    5611              : 
    5612         6203 :       gfc_add_expr_to_block (&block, tmp);
    5613         6203 :       cond = gfc_unlikely (cond, PRED_BUILTIN_EXPECT);
    5614         6203 :       tmp = build3_v (COND_EXPR, cond, ifbody,
    5615              :                       build_empty_stmt (input_location));
    5616              : 
    5617         6203 :       gfc_add_expr_to_block (&block, tmp);
    5618              : 
    5619         6203 :       if (maskexpr && maskexpr->rank > 0)
    5620              :         {
    5621              :           /* We enclose the above in if (mask) {...}.  If the mask is
    5622              :          an optional argument, generate IF (.NOT. PRESENT(MASK)
    5623              :          .OR. MASK(I)).*/
    5624              : 
    5625         3874 :           tree ifmask;
    5626         3874 :           ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    5627         3874 :           tmp = gfc_finish_block (&block);
    5628         3874 :           tmp = build3_v (COND_EXPR, ifmask, tmp,
    5629              :                           build_empty_stmt (input_location));
    5630         3874 :         }
    5631              :       else
    5632         2329 :         tmp = gfc_finish_block (&block);
    5633              : 
    5634         6203 :       gfc_add_expr_to_block (&body, tmp);
    5635         6203 :       gfc_add_modify (&body, second_loop_entry, logical_false_node);
    5636              :     }
    5637              : 
    5638         9951 :   gfc_trans_scalarizing_loops (ploop, &body);
    5639              : 
    5640         9951 :   if (lab2)
    5641         6203 :     gfc_add_expr_to_block (&ploop->pre, build1_v (LABEL_EXPR, lab2));
    5642              : 
    5643              :   /* For a scalar mask, enclose the loop in an if statement.  */
    5644         9951 :   if (maskexpr && maskexpr->rank == 0)
    5645              :     {
    5646         2644 :       tree ifmask;
    5647              : 
    5648         2644 :       gfc_init_se (&maskse, nested_loop ? se : nullptr);
    5649         2644 :       gfc_conv_expr_val (&maskse, maskexpr);
    5650         2644 :       gfc_add_block_to_block (&se->pre, &maskse.pre);
    5651         2644 :       gfc_init_block (&block);
    5652         2644 :       gfc_add_block_to_block (&block, &ploop->pre);
    5653         2644 :       gfc_add_block_to_block (&block, &ploop->post);
    5654         2644 :       tmp = gfc_finish_block (&block);
    5655              : 
    5656              :       /* For the else part of the scalar mask, just initialize
    5657              :          the pos variable the same way as above.  */
    5658              : 
    5659         2644 :       gfc_init_block (&elseblock);
    5660         5580 :       for (int i = 0; i < ploop->dimen; i++)
    5661         2936 :         gfc_add_modify (&elseblock, pos[i], gfc_index_zero_node);
    5662         2644 :       elsetmp = gfc_finish_block (&elseblock);
    5663         2644 :       ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    5664         2644 :       tmp = build3_v (COND_EXPR, ifmask, tmp, elsetmp);
    5665         2644 :       gfc_add_expr_to_block (&block, tmp);
    5666         2644 :       gfc_add_block_to_block (&se->pre, &block);
    5667         2644 :     }
    5668              :   else
    5669              :     {
    5670         7307 :       gfc_add_block_to_block (&se->pre, &ploop->pre);
    5671         7307 :       gfc_add_block_to_block (&se->pre, &ploop->post);
    5672              :     }
    5673              : 
    5674         9951 :   if (!nested_loop)
    5675         7155 :     gfc_cleanup_loop (&loop);
    5676              : 
    5677         9951 :   if (!dim_present)
    5678              :     {
    5679         8837 :       for (int i = 0; i < arrayexpr->rank; i++)
    5680              :         {
    5681         5556 :           tree res_idx = build_int_cst (gfc_array_index_type, i);
    5682         5556 :           tree res_arr_ref = gfc_build_array_ref (result_var, res_idx,
    5683              :                                                   NULL_TREE, true);
    5684              : 
    5685         5556 :           tree value = convert (type, pos[i]);
    5686         5556 :           gfc_add_modify (&se->pre, res_arr_ref, value);
    5687              :         }
    5688              : 
    5689         3281 :       se->expr = result_var;
    5690              :     }
    5691              :   else
    5692         6670 :     se->expr = convert (type, pos[0]);
    5693              : }
    5694              : 
    5695              : /* Emit code for findloc.  */
    5696              : 
    5697              : static void
    5698         1332 : gfc_conv_intrinsic_findloc (gfc_se *se, gfc_expr *expr)
    5699              : {
    5700         1332 :   gfc_actual_arglist *array_arg, *value_arg, *dim_arg, *mask_arg,
    5701              :     *kind_arg, *back_arg;
    5702         1332 :   gfc_expr *value_expr;
    5703         1332 :   int ikind;
    5704         1332 :   tree resvar;
    5705         1332 :   stmtblock_t block;
    5706         1332 :   stmtblock_t body;
    5707         1332 :   stmtblock_t loopblock;
    5708         1332 :   tree type;
    5709         1332 :   tree tmp;
    5710         1332 :   tree found;
    5711         1332 :   tree forward_branch = NULL_TREE;
    5712         1332 :   tree back_branch;
    5713         1332 :   gfc_loopinfo loop;
    5714         1332 :   gfc_ss *arrayss;
    5715         1332 :   gfc_ss *maskss;
    5716         1332 :   gfc_se arrayse;
    5717         1332 :   gfc_se valuese;
    5718         1332 :   gfc_se maskse;
    5719         1332 :   gfc_se backse;
    5720         1332 :   tree exit_label;
    5721         1332 :   gfc_expr *maskexpr;
    5722         1332 :   tree offset;
    5723         1332 :   int i;
    5724         1332 :   bool optional_mask;
    5725              : 
    5726         1332 :   array_arg = expr->value.function.actual;
    5727         1332 :   value_arg = array_arg->next;
    5728         1332 :   dim_arg   = value_arg->next;
    5729         1332 :   mask_arg  = dim_arg->next;
    5730         1332 :   kind_arg  = mask_arg->next;
    5731         1332 :   back_arg  = kind_arg->next;
    5732              : 
    5733              :   /* Remove kind and set ikind.  */
    5734         1332 :   if (kind_arg->expr)
    5735              :     {
    5736            0 :       ikind = mpz_get_si (kind_arg->expr->value.integer);
    5737            0 :       gfc_free_expr (kind_arg->expr);
    5738            0 :       kind_arg->expr = NULL;
    5739              :     }
    5740              :   else
    5741         1332 :     ikind = gfc_default_integer_kind;
    5742              : 
    5743         1332 :   value_expr = value_arg->expr;
    5744              : 
    5745              :   /* Unless it's a string, pass VALUE by value.  */
    5746         1332 :   if (value_expr->ts.type != BT_CHARACTER)
    5747          732 :     value_arg->name = "%VAL";
    5748              : 
    5749              :   /* Pass BACK argument by value.  */
    5750         1332 :   back_arg->name = "%VAL";
    5751              : 
    5752              :   /* Call the library if we have a character function or if
    5753              :      rank > 0.  */
    5754         1332 :   if (se->ss || array_arg->expr->ts.type == BT_CHARACTER)
    5755              :     {
    5756         1200 :       se->ignore_optional = 1;
    5757         1200 :       if (expr->rank == 0)
    5758              :         {
    5759              :           /* Remove dim argument.  */
    5760           84 :           gfc_free_expr (dim_arg->expr);
    5761           84 :           dim_arg->expr = NULL;
    5762              :         }
    5763         1200 :       gfc_conv_intrinsic_funcall (se, expr);
    5764         1200 :       return;
    5765              :     }
    5766              : 
    5767          132 :   type = gfc_get_int_type (ikind);
    5768              : 
    5769              :   /* Initialize the result.  */
    5770          132 :   resvar = gfc_create_var (gfc_array_index_type, "pos");
    5771          132 :   gfc_add_modify (&se->pre, resvar, build_int_cst (gfc_array_index_type, 0));
    5772          132 :   offset = gfc_create_var (gfc_array_index_type, "offset");
    5773              : 
    5774          132 :   maskexpr = mask_arg->expr;
    5775           72 :   optional_mask = maskexpr && maskexpr->expr_type == EXPR_VARIABLE
    5776           60 :     && maskexpr->symtree->n.sym->attr.dummy
    5777          144 :     && maskexpr->symtree->n.sym->attr.optional;
    5778              : 
    5779              :   /*  Generate two loops, one for BACK=.true. and one for BACK=.false.  */
    5780              : 
    5781          396 :   for (i = 0 ; i < 2; i++)
    5782              :     {
    5783              :       /* Walk the arguments.  */
    5784          264 :       arrayss = gfc_walk_expr (array_arg->expr);
    5785          264 :       gcc_assert (arrayss != gfc_ss_terminator);
    5786              : 
    5787          264 :       if (maskexpr && maskexpr->rank != 0)
    5788              :         {
    5789           84 :           maskss = gfc_walk_expr (maskexpr);
    5790           84 :           gcc_assert (maskss != gfc_ss_terminator);
    5791              :         }
    5792              :       else
    5793              :         maskss = NULL;
    5794              : 
    5795              :       /* Initialize the scalarizer.  */
    5796          264 :       gfc_init_loopinfo (&loop);
    5797          264 :       exit_label = gfc_build_label_decl (NULL_TREE);
    5798          264 :       TREE_USED (exit_label) = 1;
    5799              : 
    5800              :       /* We add the mask first because the number of iterations is
    5801              :          taken from the last ss, and this breaks if an absent
    5802              :          optional argument is used for mask.  */
    5803              : 
    5804          264 :       if (maskss)
    5805           84 :         gfc_add_ss_to_loop (&loop, maskss);
    5806          264 :       gfc_add_ss_to_loop (&loop, arrayss);
    5807              : 
    5808              :       /* Initialize the loop.  */
    5809          264 :       gfc_conv_ss_startstride (&loop);
    5810          264 :       gfc_conv_loop_setup (&loop, &expr->where);
    5811              : 
    5812              :       /* Calculate the offset.  */
    5813          264 :       tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
    5814              :                              gfc_index_one_node, loop.from[0]);
    5815          264 :       gfc_add_modify (&loop.pre, offset, tmp);
    5816              : 
    5817          264 :       gfc_mark_ss_chain_used (arrayss, 1);
    5818          264 :       if (maskss)
    5819           84 :         gfc_mark_ss_chain_used (maskss, 1);
    5820              : 
    5821              :       /* The first loop is for BACK=.true.  */
    5822          264 :       if (i == 0)
    5823          132 :         loop.reverse[0] = GFC_REVERSE_SET;
    5824              : 
    5825              :       /* Generate the loop body.  */
    5826          264 :       gfc_start_scalarized_body (&loop, &body);
    5827              : 
    5828              :       /* If we have an array mask, only add the element if it is
    5829              :          set.  */
    5830          264 :       if (maskss)
    5831              :         {
    5832           84 :           gfc_init_se (&maskse, NULL);
    5833           84 :           gfc_copy_loopinfo_to_se (&maskse, &loop);
    5834           84 :           maskse.ss = maskss;
    5835           84 :           gfc_conv_expr_val (&maskse, maskexpr);
    5836           84 :           gfc_add_block_to_block (&body, &maskse.pre);
    5837              :         }
    5838              : 
    5839              :       /* If the condition matches then set the return value.  */
    5840          264 :       gfc_start_block (&block);
    5841              : 
    5842              :       /* Add the offset.  */
    5843          264 :       tmp = fold_build2_loc (input_location, PLUS_EXPR,
    5844          264 :                              TREE_TYPE (resvar),
    5845              :                              loop.loopvar[0], offset);
    5846          264 :       gfc_add_modify (&block, resvar, tmp);
    5847              :       /* And break out of the loop.  */
    5848          264 :       tmp = build1_v (GOTO_EXPR, exit_label);
    5849          264 :       gfc_add_expr_to_block (&block, tmp);
    5850              : 
    5851          264 :       found = gfc_finish_block (&block);
    5852              : 
    5853              :       /* Check this element.  */
    5854          264 :       gfc_init_se (&arrayse, NULL);
    5855          264 :       gfc_copy_loopinfo_to_se (&arrayse, &loop);
    5856          264 :       arrayse.ss = arrayss;
    5857          264 :       gfc_conv_expr_val (&arrayse, array_arg->expr);
    5858          264 :       gfc_add_block_to_block (&body, &arrayse.pre);
    5859              : 
    5860          264 :       gfc_init_se (&valuese, NULL);
    5861          264 :       gfc_conv_expr_val (&valuese, value_arg->expr);
    5862          264 :       gfc_add_block_to_block (&body, &valuese.pre);
    5863              : 
    5864          264 :       tmp = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    5865              :                              arrayse.expr, valuese.expr);
    5866              : 
    5867          264 :       tmp = build3_v (COND_EXPR, tmp, found, build_empty_stmt (input_location));
    5868          264 :       if (maskss)
    5869              :         {
    5870              :           /* We enclose the above in if (mask) {...}.  If the mask is
    5871              :              an optional argument, generate IF (.NOT. PRESENT(MASK)
    5872              :              .OR. MASK(I)). */
    5873              : 
    5874           84 :           tree ifmask;
    5875           84 :           ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    5876           84 :           tmp = build3_v (COND_EXPR, ifmask, tmp,
    5877              :                           build_empty_stmt (input_location));
    5878              :         }
    5879              : 
    5880          264 :       gfc_add_expr_to_block (&body, tmp);
    5881          264 :       gfc_add_block_to_block (&body, &arrayse.post);
    5882              : 
    5883          264 :       gfc_trans_scalarizing_loops (&loop, &body);
    5884              : 
    5885              :       /* Add the exit label.  */
    5886          264 :       tmp = build1_v (LABEL_EXPR, exit_label);
    5887          264 :       gfc_add_expr_to_block (&loop.pre, tmp);
    5888          264 :       gfc_start_block (&loopblock);
    5889          264 :       gfc_add_block_to_block (&loopblock, &loop.pre);
    5890          264 :       gfc_add_block_to_block (&loopblock, &loop.post);
    5891          264 :       if (i == 0)
    5892          132 :         forward_branch = gfc_finish_block (&loopblock);
    5893              :       else
    5894          132 :         back_branch = gfc_finish_block (&loopblock);
    5895              : 
    5896          264 :       gfc_cleanup_loop (&loop);
    5897              :     }
    5898              : 
    5899              :   /* Enclose the two loops in an IF statement.  */
    5900              : 
    5901          132 :   gfc_init_se (&backse, NULL);
    5902          132 :   gfc_conv_expr_val (&backse, back_arg->expr);
    5903          132 :   gfc_add_block_to_block (&se->pre, &backse.pre);
    5904          132 :   tmp = build3_v (COND_EXPR, backse.expr, forward_branch, back_branch);
    5905              : 
    5906              :   /* For a scalar mask, enclose the loop in an if statement.  */
    5907          132 :   if (maskexpr && maskss == NULL)
    5908              :     {
    5909           30 :       tree ifmask;
    5910           30 :       tree if_stmt;
    5911              : 
    5912           30 :       gfc_init_se (&maskse, NULL);
    5913           30 :       gfc_conv_expr_val (&maskse, maskexpr);
    5914           30 :       gfc_init_block (&block);
    5915           30 :       gfc_add_expr_to_block (&block, maskse.expr);
    5916           30 :       ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    5917           30 :       if_stmt = build3_v (COND_EXPR, ifmask, tmp,
    5918              :                           build_empty_stmt (input_location));
    5919           30 :       gfc_add_expr_to_block (&block, if_stmt);
    5920           30 :       tmp = gfc_finish_block (&block);
    5921              :     }
    5922              : 
    5923          132 :   gfc_add_expr_to_block (&se->pre, tmp);
    5924          132 :   se->expr = convert (type, resvar);
    5925              : 
    5926              : }
    5927              : 
    5928              : /* Emit code for fstat, lstat and stat intrinsic subroutines.  */
    5929              : 
    5930              : static tree
    5931           55 : conv_intrinsic_fstat_lstat_stat_sub (gfc_code *code)
    5932              : {
    5933           55 :   stmtblock_t block;
    5934           55 :   gfc_se se, se_stat;
    5935           55 :   tree unit = NULL_TREE;
    5936           55 :   tree name = NULL_TREE;
    5937           55 :   tree slen = NULL_TREE;
    5938           55 :   tree vals;
    5939           55 :   tree arg3 = NULL_TREE;
    5940           55 :   tree stat = NULL_TREE ;
    5941           55 :   tree present = NULL_TREE;
    5942           55 :   tree tmp;
    5943           55 :   int kind;
    5944              : 
    5945           55 :   gfc_init_block (&block);
    5946           55 :   gfc_init_se (&se, NULL);
    5947              : 
    5948           55 :   switch (code->resolved_isym->id)
    5949              :     {
    5950           21 :     case GFC_ISYM_FSTAT:
    5951              :       /* Deal with the UNIT argument.  */
    5952           21 :       gfc_conv_expr (&se, code->ext.actual->expr);
    5953           21 :       gfc_add_block_to_block (&block, &se.pre);
    5954           21 :       unit = gfc_evaluate_now (se.expr, &block);
    5955           21 :       unit = gfc_build_addr_expr (NULL_TREE, unit);
    5956           21 :       gfc_add_block_to_block (&block, &se.post);
    5957           21 :       break;
    5958              : 
    5959           34 :     case GFC_ISYM_LSTAT:
    5960           34 :     case GFC_ISYM_STAT:
    5961              :       /* Deal with the NAME argument.  */
    5962           34 :       gfc_conv_expr (&se, code->ext.actual->expr);
    5963           34 :       gfc_conv_string_parameter (&se);
    5964           34 :       gfc_add_block_to_block (&block, &se.pre);
    5965           34 :       name = se.expr;
    5966           34 :       slen = se.string_length;
    5967           34 :       gfc_add_block_to_block (&block, &se.post);
    5968           34 :       break;
    5969              : 
    5970            0 :     default:
    5971            0 :       gcc_unreachable ();
    5972              :     }
    5973              : 
    5974              :   /* Deal with the VALUES argument.  */
    5975           55 :   gfc_init_se (&se, NULL);
    5976           55 :   gfc_conv_expr_descriptor (&se, code->ext.actual->next->expr);
    5977           55 :   vals = gfc_build_addr_expr (NULL_TREE, se.expr);
    5978           55 :   gfc_add_block_to_block (&block, &se.pre);
    5979           55 :   gfc_add_block_to_block (&block, &se.post);
    5980           55 :   kind = code->ext.actual->next->expr->ts.kind;
    5981              : 
    5982              :   /* Deal with an optional STATUS.  */
    5983           55 :   if (code->ext.actual->next->next->expr)
    5984              :     {
    5985           45 :       gfc_init_se (&se_stat, NULL);
    5986           45 :       gfc_conv_expr (&se_stat, code->ext.actual->next->next->expr);
    5987           45 :       stat = gfc_create_var (gfc_get_int_type (kind), "_stat");
    5988           45 :       arg3 = gfc_build_addr_expr (NULL_TREE, stat);
    5989              : 
    5990              :       /* Handle case of status being an optional dummy.  */
    5991           45 :       gfc_symbol *sym = code->ext.actual->next->next->expr->symtree->n.sym;
    5992           45 :       if (sym->attr.dummy && sym->attr.optional)
    5993              :         {
    5994            6 :           present = gfc_conv_expr_present (sym);
    5995           12 :           arg3 = fold_build3_loc (input_location, COND_EXPR,
    5996            6 :                                   TREE_TYPE (arg3), present, arg3,
    5997            6 :                                   fold_convert (TREE_TYPE (arg3),
    5998              :                                                 null_pointer_node));
    5999              :         }
    6000              :     }
    6001              : 
    6002              :   /* Call library function depending on KIND of VALUES argument.  */
    6003           55 :   switch (code->resolved_isym->id)
    6004              :     {
    6005           21 :     case GFC_ISYM_FSTAT:
    6006           21 :       tmp = (kind == 4 ? gfor_fndecl_fstat_i4_sub : gfor_fndecl_fstat_i8_sub);
    6007              :       break;
    6008           14 :     case GFC_ISYM_LSTAT:
    6009           14 :       tmp = (kind == 4 ? gfor_fndecl_lstat_i4_sub : gfor_fndecl_lstat_i8_sub);
    6010              :       break;
    6011           20 :     case GFC_ISYM_STAT:
    6012           20 :       tmp = (kind == 4 ? gfor_fndecl_stat_i4_sub : gfor_fndecl_stat_i8_sub);
    6013              :       break;
    6014            0 :     default:
    6015            0 :       gcc_unreachable ();
    6016              :     }
    6017              : 
    6018           55 :   if (code->resolved_isym->id == GFC_ISYM_FSTAT)
    6019           21 :     tmp = build_call_expr_loc (input_location, tmp, 3, unit, vals,
    6020              :                                stat ? arg3 : null_pointer_node);
    6021              :   else
    6022           34 :     tmp = build_call_expr_loc (input_location, tmp, 4, name, vals,
    6023              :                                stat ? arg3 : null_pointer_node, slen);
    6024           55 :   gfc_add_expr_to_block (&block, tmp);
    6025              : 
    6026              :   /* Handle kind conversion of status.  */
    6027           55 :   if (stat && stat != se_stat.expr)
    6028              :     {
    6029           45 :       stmtblock_t block2;
    6030              : 
    6031           45 :       gfc_init_block (&block2);
    6032           45 :       gfc_add_modify (&block2, se_stat.expr,
    6033           45 :                       fold_convert (TREE_TYPE (se_stat.expr), stat));
    6034              : 
    6035           45 :       if (present)
    6036              :         {
    6037            6 :           tmp = build3_v (COND_EXPR, present, gfc_finish_block (&block2),
    6038              :                           build_empty_stmt (input_location));
    6039            6 :           gfc_add_expr_to_block (&block, tmp);
    6040              :         }
    6041              :       else
    6042           39 :         gfc_add_block_to_block (&block, &block2);
    6043              :     }
    6044              : 
    6045           55 :   return gfc_finish_block (&block);
    6046              : }
    6047              : 
    6048              : /* Emit code for minval or maxval intrinsic.  There are many different cases
    6049              :    we need to handle.  For performance reasons we sometimes create two
    6050              :    loops instead of one, where the second one is much simpler.
    6051              :    Examples for minval intrinsic:
    6052              :    1) Result is an array, a call is generated
    6053              :    2) Array mask is used and NaNs need to be supported, rank 1:
    6054              :       limit = Infinity;
    6055              :       nonempty = false;
    6056              :       S = from;
    6057              :       while (S <= to) {
    6058              :         if (mask[S]) {
    6059              :           nonempty = true;
    6060              :           if (a[S] <= limit) {
    6061              :             limit = a[S];
    6062              :             S++;
    6063              :             goto lab;
    6064              :           }
    6065              :         else
    6066              :           S++;
    6067              :         }
    6068              :       }
    6069              :       limit = nonempty ? NaN : huge (limit);
    6070              :       lab:
    6071              :       while (S <= to) { if(mask[S]) limit = min (a[S], limit); S++; }
    6072              :    3) NaNs need to be supported, but it is known at compile time or cheaply
    6073              :       at runtime whether array is nonempty or not, rank 1:
    6074              :       limit = Infinity;
    6075              :       S = from;
    6076              :       while (S <= to) {
    6077              :         if (a[S] <= limit) {
    6078              :           limit = a[S];
    6079              :           S++;
    6080              :           goto lab;
    6081              :           }
    6082              :         else
    6083              :           S++;
    6084              :       }
    6085              :       limit = (from <= to) ? NaN : huge (limit);
    6086              :       lab:
    6087              :       while (S <= to) { limit = min (a[S], limit); S++; }
    6088              :    4) Array mask is used and NaNs need to be supported, rank > 1:
    6089              :       limit = Infinity;
    6090              :       nonempty = false;
    6091              :       fast = false;
    6092              :       S1 = from1;
    6093              :       while (S1 <= to1) {
    6094              :         S2 = from2;
    6095              :         while (S2 <= to2) {
    6096              :           if (mask[S1][S2]) {
    6097              :             if (fast) limit = min (a[S1][S2], limit);
    6098              :             else {
    6099              :               nonempty = true;
    6100              :               if (a[S1][S2] <= limit) {
    6101              :                 limit = a[S1][S2];
    6102              :                 fast = true;
    6103              :               }
    6104              :             }
    6105              :           }
    6106              :           S2++;
    6107              :         }
    6108              :         S1++;
    6109              :       }
    6110              :       if (!fast)
    6111              :         limit = nonempty ? NaN : huge (limit);
    6112              :    5) NaNs need to be supported, but it is known at compile time or cheaply
    6113              :       at runtime whether array is nonempty or not, rank > 1:
    6114              :       limit = Infinity;
    6115              :       fast = false;
    6116              :       S1 = from1;
    6117              :       while (S1 <= to1) {
    6118              :         S2 = from2;
    6119              :         while (S2 <= to2) {
    6120              :           if (fast) limit = min (a[S1][S2], limit);
    6121              :           else {
    6122              :             if (a[S1][S2] <= limit) {
    6123              :               limit = a[S1][S2];
    6124              :               fast = true;
    6125              :             }
    6126              :           }
    6127              :           S2++;
    6128              :         }
    6129              :         S1++;
    6130              :       }
    6131              :       if (!fast)
    6132              :         limit = (nonempty_array) ? NaN : huge (limit);
    6133              :    6) NaNs aren't supported, but infinities are.  Array mask is used:
    6134              :       limit = Infinity;
    6135              :       nonempty = false;
    6136              :       S = from;
    6137              :       while (S <= to) {
    6138              :         if (mask[S]) { nonempty = true; limit = min (a[S], limit); }
    6139              :         S++;
    6140              :       }
    6141              :       limit = nonempty ? limit : huge (limit);
    6142              :    7) Same without array mask:
    6143              :       limit = Infinity;
    6144              :       S = from;
    6145              :       while (S <= to) { limit = min (a[S], limit); S++; }
    6146              :       limit = (from <= to) ? limit : huge (limit);
    6147              :    8) Neither NaNs nor infinities are supported (-ffast-math or BT_INTEGER):
    6148              :       limit = huge (limit);
    6149              :       S = from;
    6150              :       while (S <= to) { limit = min (a[S], limit); S++); }
    6151              :       (or
    6152              :       while (S <= to) { if (mask[S]) limit = min (a[S], limit); S++; }
    6153              :       with array mask instead).
    6154              :    For 3), 5), 7) and 8), if mask is scalar, this all goes into a conditional,
    6155              :    setting limit = huge (limit); in the else branch.  */
    6156              : 
    6157              : static void
    6158         2417 : gfc_conv_intrinsic_minmaxval (gfc_se * se, gfc_expr * expr, enum tree_code op)
    6159              : {
    6160         2417 :   tree limit;
    6161         2417 :   tree type;
    6162         2417 :   tree tmp;
    6163         2417 :   tree ifbody;
    6164         2417 :   tree nonempty;
    6165         2417 :   tree nonempty_var;
    6166         2417 :   tree lab;
    6167         2417 :   tree fast;
    6168         2417 :   tree huge_cst = NULL, nan_cst = NULL;
    6169         2417 :   stmtblock_t body;
    6170         2417 :   stmtblock_t block, block2;
    6171         2417 :   gfc_loopinfo loop;
    6172         2417 :   gfc_actual_arglist *actual;
    6173         2417 :   gfc_ss *arrayss;
    6174         2417 :   gfc_ss *maskss;
    6175         2417 :   gfc_se arrayse;
    6176         2417 :   gfc_se maskse;
    6177         2417 :   gfc_expr *arrayexpr;
    6178         2417 :   gfc_expr *maskexpr;
    6179         2417 :   int n;
    6180         2417 :   bool optional_mask;
    6181              : 
    6182         2417 :   if (se->ss)
    6183              :     {
    6184            0 :       gfc_conv_intrinsic_funcall (se, expr);
    6185          186 :       return;
    6186              :     }
    6187              : 
    6188         2417 :   actual = expr->value.function.actual;
    6189         2417 :   arrayexpr = actual->expr;
    6190              : 
    6191         2417 :   if (arrayexpr->ts.type == BT_CHARACTER)
    6192              :     {
    6193          186 :       gfc_actual_arglist *dim = actual->next;
    6194          186 :       if (expr->rank == 0 && dim->expr != 0)
    6195              :         {
    6196            6 :           gfc_free_expr (dim->expr);
    6197            6 :           dim->expr = NULL;
    6198              :         }
    6199          186 :       gfc_conv_intrinsic_funcall (se, expr);
    6200          186 :       return;
    6201              :     }
    6202              : 
    6203         2231 :   type = gfc_typenode_for_spec (&expr->ts);
    6204              :   /* Initialize the result.  */
    6205         2231 :   limit = gfc_create_var (type, "limit");
    6206         2231 :   n = gfc_validate_kind (expr->ts.type, expr->ts.kind, false);
    6207         2231 :   switch (expr->ts.type)
    6208              :     {
    6209         1245 :     case BT_REAL:
    6210         1245 :       huge_cst = gfc_conv_mpfr_to_tree (gfc_real_kinds[n].huge,
    6211              :                                         expr->ts.kind, 0);
    6212         1245 :       if (HONOR_INFINITIES (DECL_MODE (limit)))
    6213              :         {
    6214         1241 :           REAL_VALUE_TYPE real;
    6215         1241 :           real_inf (&real);
    6216         1241 :           tmp = build_real (type, real);
    6217              :         }
    6218              :       else
    6219              :         tmp = huge_cst;
    6220         1245 :       if (HONOR_NANS (DECL_MODE (limit)))
    6221         1241 :         nan_cst = gfc_build_nan (type, "");
    6222              :       break;
    6223              : 
    6224          956 :     case BT_INTEGER:
    6225          956 :       tmp = gfc_conv_mpz_to_tree (gfc_integer_kinds[n].huge, expr->ts.kind);
    6226          956 :       break;
    6227              : 
    6228           30 :     case BT_UNSIGNED:
    6229              :       /* For MAXVAL, the minimum is zero, for MINVAL it is HUGE().  */
    6230           30 :       if (op == GT_EXPR)
    6231           18 :         tmp = build_int_cst (type, 0);
    6232              :       else
    6233           12 :         tmp = gfc_conv_mpz_unsigned_to_tree (gfc_unsigned_kinds[n].huge,
    6234              :                                              expr->ts.kind);
    6235              :       break;
    6236              : 
    6237            0 :     default:
    6238            0 :       gcc_unreachable ();
    6239              :     }
    6240              : 
    6241              :   /* We start with the most negative possible value for MAXVAL, and the most
    6242              :      positive possible value for MINVAL. The most negative possible value is
    6243              :      -HUGE for BT_REAL and (-HUGE - 1) for BT_INTEGER; the most positive
    6244              :      possible value is HUGE in both cases.   BT_UNSIGNED has already been dealt
    6245              :      with above.  */
    6246         2231 :   if (op == GT_EXPR && expr->ts.type != BT_UNSIGNED)
    6247              :     {
    6248          987 :       tmp = fold_build1_loc (input_location, NEGATE_EXPR, TREE_TYPE (tmp), tmp);
    6249          987 :       if (huge_cst)
    6250          560 :         huge_cst = fold_build1_loc (input_location, NEGATE_EXPR,
    6251          560 :                                     TREE_TYPE (huge_cst), huge_cst);
    6252              :     }
    6253              : 
    6254         1005 :   if (op == GT_EXPR && expr->ts.type == BT_INTEGER)
    6255          427 :     tmp = fold_build2_loc (input_location, MINUS_EXPR, TREE_TYPE (tmp),
    6256              :                            tmp, build_int_cst (type, 1));
    6257              : 
    6258         2231 :   gfc_add_modify (&se->pre, limit, tmp);
    6259              : 
    6260              :   /* Walk the arguments.  */
    6261         2231 :   arrayss = gfc_walk_expr (arrayexpr);
    6262         2231 :   gcc_assert (arrayss != gfc_ss_terminator);
    6263              : 
    6264         2231 :   actual = actual->next->next;
    6265         2231 :   gcc_assert (actual);
    6266         2231 :   maskexpr = actual->expr;
    6267         1572 :   optional_mask = maskexpr && maskexpr->expr_type == EXPR_VARIABLE
    6268         1560 :     && maskexpr->symtree->n.sym->attr.dummy
    6269         2243 :     && maskexpr->symtree->n.sym->attr.optional;
    6270         1560 :   nonempty = NULL;
    6271         1572 :   if (maskexpr && maskexpr->rank != 0)
    6272              :     {
    6273         1026 :       maskss = gfc_walk_expr (maskexpr);
    6274         1026 :       gcc_assert (maskss != gfc_ss_terminator);
    6275              :     }
    6276              :   else
    6277              :     {
    6278         1205 :       mpz_t asize;
    6279         1205 :       if (gfc_array_size (arrayexpr, &asize))
    6280              :         {
    6281          678 :           nonempty = gfc_conv_mpz_to_tree (asize, gfc_index_integer_kind);
    6282          678 :           mpz_clear (asize);
    6283          678 :           nonempty = fold_build2_loc (input_location, GT_EXPR,
    6284              :                                       logical_type_node, nonempty,
    6285              :                                       gfc_index_zero_node);
    6286              :         }
    6287         1205 :       maskss = NULL;
    6288              :     }
    6289              : 
    6290              :   /* Initialize the scalarizer.  */
    6291         2231 :   gfc_init_loopinfo (&loop);
    6292              : 
    6293              :   /* We add the mask first because the number of iterations is taken
    6294              :      from the last ss, and this breaks if an absent optional argument
    6295              :      is used for mask.  */
    6296              : 
    6297         2231 :   if (maskss)
    6298         1026 :     gfc_add_ss_to_loop (&loop, maskss);
    6299         2231 :   gfc_add_ss_to_loop (&loop, arrayss);
    6300              : 
    6301              :   /* Initialize the loop.  */
    6302         2231 :   gfc_conv_ss_startstride (&loop);
    6303              : 
    6304              :   /* The code generated can have more than one loop in sequence (see the
    6305              :      comment at the function header).  This doesn't work well with the
    6306              :      scalarizer, which changes arrays' offset when the scalarization loops
    6307              :      are generated (see gfc_trans_preloop_setup).  Fortunately, {min,max}val
    6308              :      are  currently inlined in the scalar case only.  As there is no dependency
    6309              :      to care about in that case, there is no temporary, so that we can use the
    6310              :      scalarizer temporary code to handle multiple loops.  Thus, we set temp_dim
    6311              :      here, we call gfc_mark_ss_chain_used with flag=3 later, and we use
    6312              :      gfc_trans_scalarized_loop_boundary even later to restore offset.
    6313              :      TODO: this prevents inlining of rank > 0 minmaxval calls, so this
    6314              :      should eventually go away.  We could either create two loops properly,
    6315              :      or find another way to save/restore the array offsets between the two
    6316              :      loops (without conflicting with temporary management), or use a single
    6317              :      loop minmaxval implementation.  See PR 31067.  */
    6318         2231 :   loop.temp_dim = loop.dimen;
    6319         2231 :   gfc_conv_loop_setup (&loop, &expr->where);
    6320              : 
    6321         2231 :   if (nonempty == NULL && maskss == NULL
    6322          527 :       && loop.dimen == 1 && loop.from[0] && loop.to[0])
    6323          491 :     nonempty = fold_build2_loc (input_location, LE_EXPR, logical_type_node,
    6324              :                                 loop.from[0], loop.to[0]);
    6325         2231 :   nonempty_var = NULL;
    6326         2231 :   if (nonempty == NULL
    6327         2231 :       && (HONOR_INFINITIES (DECL_MODE (limit))
    6328          480 :           || HONOR_NANS (DECL_MODE (limit))))
    6329              :     {
    6330          582 :       nonempty_var = gfc_create_var (logical_type_node, "nonempty");
    6331          582 :       gfc_add_modify (&se->pre, nonempty_var, logical_false_node);
    6332          582 :       nonempty = nonempty_var;
    6333              :     }
    6334         2231 :   lab = NULL;
    6335         2231 :   fast = NULL;
    6336         2231 :   if (HONOR_NANS (DECL_MODE (limit)))
    6337              :     {
    6338         1241 :       if (loop.dimen == 1)
    6339              :         {
    6340          821 :           lab = gfc_build_label_decl (NULL_TREE);
    6341          821 :           TREE_USED (lab) = 1;
    6342              :         }
    6343              :       else
    6344              :         {
    6345          420 :           fast = gfc_create_var (logical_type_node, "fast");
    6346          420 :           gfc_add_modify (&se->pre, fast, logical_false_node);
    6347              :         }
    6348              :     }
    6349              : 
    6350         2231 :   gfc_mark_ss_chain_used (arrayss, lab ? 3 : 1);
    6351         2231 :   if (maskss)
    6352         1704 :     gfc_mark_ss_chain_used (maskss, lab ? 3 : 1);
    6353              :   /* Generate the loop body.  */
    6354         2231 :   gfc_start_scalarized_body (&loop, &body);
    6355              : 
    6356              :   /* If we have a mask, only add this element if the mask is set.  */
    6357         2231 :   if (maskss)
    6358              :     {
    6359         1026 :       gfc_init_se (&maskse, NULL);
    6360         1026 :       gfc_copy_loopinfo_to_se (&maskse, &loop);
    6361         1026 :       maskse.ss = maskss;
    6362         1026 :       gfc_conv_expr_val (&maskse, maskexpr);
    6363         1026 :       gfc_add_block_to_block (&body, &maskse.pre);
    6364              : 
    6365         1026 :       gfc_start_block (&block);
    6366              :     }
    6367              :   else
    6368         1205 :     gfc_init_block (&block);
    6369              : 
    6370              :   /* Compare with the current limit.  */
    6371         2231 :   gfc_init_se (&arrayse, NULL);
    6372         2231 :   gfc_copy_loopinfo_to_se (&arrayse, &loop);
    6373         2231 :   arrayse.ss = arrayss;
    6374         2231 :   gfc_conv_expr_val (&arrayse, arrayexpr);
    6375         2231 :   arrayse.expr = gfc_evaluate_now (arrayse.expr, &arrayse.pre);
    6376         2231 :   gfc_add_block_to_block (&block, &arrayse.pre);
    6377              : 
    6378         2231 :   gfc_init_block (&block2);
    6379              : 
    6380         2231 :   if (nonempty_var)
    6381          582 :     gfc_add_modify (&block2, nonempty_var, logical_true_node);
    6382              : 
    6383         2231 :   if (HONOR_NANS (DECL_MODE (limit)))
    6384              :     {
    6385         1922 :       tmp = fold_build2_loc (input_location, op == GT_EXPR ? GE_EXPR : LE_EXPR,
    6386              :                              logical_type_node, arrayse.expr, limit);
    6387         1241 :       if (lab)
    6388              :         {
    6389          821 :           stmtblock_t ifblock;
    6390          821 :           tree inc_loop;
    6391          821 :           inc_loop = fold_build2_loc (input_location, PLUS_EXPR,
    6392          821 :                                       TREE_TYPE (loop.loopvar[0]),
    6393              :                                       loop.loopvar[0], gfc_index_one_node);
    6394          821 :           gfc_init_block (&ifblock);
    6395          821 :           gfc_add_modify (&ifblock, limit, arrayse.expr);
    6396          821 :           gfc_add_modify (&ifblock, loop.loopvar[0], inc_loop);
    6397          821 :           gfc_add_expr_to_block (&ifblock, build1_v (GOTO_EXPR, lab));
    6398          821 :           ifbody = gfc_finish_block (&ifblock);
    6399              :         }
    6400              :       else
    6401              :         {
    6402          420 :           stmtblock_t ifblock;
    6403              : 
    6404          420 :           gfc_init_block (&ifblock);
    6405          420 :           gfc_add_modify (&ifblock, limit, arrayse.expr);
    6406          420 :           gfc_add_modify (&ifblock, fast, logical_true_node);
    6407          420 :           ifbody = gfc_finish_block (&ifblock);
    6408              :         }
    6409         1241 :       tmp = build3_v (COND_EXPR, tmp, ifbody,
    6410              :                       build_empty_stmt (input_location));
    6411         1241 :       gfc_add_expr_to_block (&block2, tmp);
    6412              :     }
    6413              :   else
    6414              :     {
    6415              :       /* MIN_EXPR/MAX_EXPR has unspecified behavior with NaNs or
    6416              :          signed zeros.  */
    6417         1535 :       tmp = fold_build2_loc (input_location,
    6418              :                              op == GT_EXPR ? MAX_EXPR : MIN_EXPR,
    6419              :                              type, arrayse.expr, limit);
    6420          990 :       gfc_add_modify (&block2, limit, tmp);
    6421              :     }
    6422              : 
    6423         2231 :   if (fast)
    6424              :     {
    6425          420 :       tree elsebody = gfc_finish_block (&block2);
    6426              : 
    6427              :       /* MIN_EXPR/MAX_EXPR has unspecified behavior with NaNs or
    6428              :          signed zeros.  */
    6429          420 :       if (HONOR_NANS (DECL_MODE (limit)))
    6430              :         {
    6431          420 :           tmp = fold_build2_loc (input_location, op, logical_type_node,
    6432              :                                  arrayse.expr, limit);
    6433          420 :           ifbody = build2_v (MODIFY_EXPR, limit, arrayse.expr);
    6434          420 :           ifbody = build3_v (COND_EXPR, tmp, ifbody,
    6435              :                              build_empty_stmt (input_location));
    6436              :         }
    6437              :       else
    6438              :         {
    6439            0 :           tmp = fold_build2_loc (input_location,
    6440              :                                  op == GT_EXPR ? MAX_EXPR : MIN_EXPR,
    6441              :                                  type, arrayse.expr, limit);
    6442            0 :           ifbody = build2_v (MODIFY_EXPR, limit, tmp);
    6443              :         }
    6444          420 :       tmp = build3_v (COND_EXPR, fast, ifbody, elsebody);
    6445          420 :       gfc_add_expr_to_block (&block, tmp);
    6446              :     }
    6447              :   else
    6448         1811 :     gfc_add_block_to_block (&block, &block2);
    6449              : 
    6450         2231 :   gfc_add_block_to_block (&block, &arrayse.post);
    6451              : 
    6452         2231 :   tmp = gfc_finish_block (&block);
    6453         2231 :   if (maskss)
    6454              :     {
    6455              :       /* We enclose the above in if (mask) {...}.  If the mask is an
    6456              :          optional argument, generate IF (.NOT. PRESENT(MASK)
    6457              :          .OR. MASK(I)).  */
    6458         1026 :       tree ifmask;
    6459         1026 :       ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    6460         1026 :       tmp = build3_v (COND_EXPR, ifmask, tmp,
    6461              :                       build_empty_stmt (input_location));
    6462              :     }
    6463         2231 :   gfc_add_expr_to_block (&body, tmp);
    6464              : 
    6465         2231 :   if (lab)
    6466              :     {
    6467          821 :       gfc_trans_scalarized_loop_boundary (&loop, &body);
    6468              : 
    6469          821 :       tmp = fold_build3_loc (input_location, COND_EXPR, type, nonempty,
    6470              :                              nan_cst, huge_cst);
    6471          821 :       gfc_add_modify (&loop.code[0], limit, tmp);
    6472          821 :       gfc_add_expr_to_block (&loop.code[0], build1_v (LABEL_EXPR, lab));
    6473              : 
    6474              :       /* If we have a mask, only add this element if the mask is set.  */
    6475          821 :       if (maskss)
    6476              :         {
    6477          348 :           gfc_init_se (&maskse, NULL);
    6478          348 :           gfc_copy_loopinfo_to_se (&maskse, &loop);
    6479          348 :           maskse.ss = maskss;
    6480          348 :           gfc_conv_expr_val (&maskse, maskexpr);
    6481          348 :           gfc_add_block_to_block (&body, &maskse.pre);
    6482              : 
    6483          348 :           gfc_start_block (&block);
    6484              :         }
    6485              :       else
    6486          473 :         gfc_init_block (&block);
    6487              : 
    6488              :       /* Compare with the current limit.  */
    6489          821 :       gfc_init_se (&arrayse, NULL);
    6490          821 :       gfc_copy_loopinfo_to_se (&arrayse, &loop);
    6491          821 :       arrayse.ss = arrayss;
    6492          821 :       gfc_conv_expr_val (&arrayse, arrayexpr);
    6493          821 :       arrayse.expr = gfc_evaluate_now (arrayse.expr, &arrayse.pre);
    6494          821 :       gfc_add_block_to_block (&block, &arrayse.pre);
    6495              : 
    6496              :       /* MIN_EXPR/MAX_EXPR has unspecified behavior with NaNs or
    6497              :          signed zeros.  */
    6498          821 :       if (HONOR_NANS (DECL_MODE (limit)))
    6499              :         {
    6500          821 :           tmp = fold_build2_loc (input_location, op, logical_type_node,
    6501              :                                  arrayse.expr, limit);
    6502          821 :           ifbody = build2_v (MODIFY_EXPR, limit, arrayse.expr);
    6503          821 :           tmp = build3_v (COND_EXPR, tmp, ifbody,
    6504              :                           build_empty_stmt (input_location));
    6505          821 :           gfc_add_expr_to_block (&block, tmp);
    6506              :         }
    6507              :       else
    6508              :         {
    6509            0 :           tmp = fold_build2_loc (input_location,
    6510              :                                  op == GT_EXPR ? MAX_EXPR : MIN_EXPR,
    6511              :                                  type, arrayse.expr, limit);
    6512            0 :           gfc_add_modify (&block, limit, tmp);
    6513              :         }
    6514              : 
    6515          821 :       gfc_add_block_to_block (&block, &arrayse.post);
    6516              : 
    6517          821 :       tmp = gfc_finish_block (&block);
    6518          821 :       if (maskss)
    6519              :         /* We enclose the above in if (mask) {...}.  */
    6520              :         {
    6521          348 :           tree ifmask;
    6522          348 :           ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    6523          348 :           tmp = build3_v (COND_EXPR, ifmask, tmp,
    6524              :                           build_empty_stmt (input_location));
    6525              :         }
    6526              : 
    6527          821 :       gfc_add_expr_to_block (&body, tmp);
    6528              :       /* Avoid initializing loopvar[0] again, it should be left where
    6529              :          it finished by the first loop.  */
    6530          821 :       loop.from[0] = loop.loopvar[0];
    6531              :     }
    6532         2231 :   gfc_trans_scalarizing_loops (&loop, &body);
    6533              : 
    6534         2231 :   if (fast)
    6535              :     {
    6536          420 :       tmp = fold_build3_loc (input_location, COND_EXPR, type, nonempty,
    6537              :                              nan_cst, huge_cst);
    6538          420 :       ifbody = build2_v (MODIFY_EXPR, limit, tmp);
    6539          420 :       tmp = build3_v (COND_EXPR, fast, build_empty_stmt (input_location),
    6540              :                       ifbody);
    6541          420 :       gfc_add_expr_to_block (&loop.pre, tmp);
    6542              :     }
    6543         1811 :   else if (HONOR_INFINITIES (DECL_MODE (limit)) && !lab)
    6544              :     {
    6545            0 :       tmp = fold_build3_loc (input_location, COND_EXPR, type, nonempty, limit,
    6546              :                              huge_cst);
    6547            0 :       gfc_add_modify (&loop.pre, limit, tmp);
    6548              :     }
    6549              : 
    6550              :   /* For a scalar mask, enclose the loop in an if statement.  */
    6551         2231 :   if (maskexpr && maskss == NULL)
    6552              :     {
    6553          546 :       tree else_stmt;
    6554          546 :       tree ifmask;
    6555              : 
    6556          546 :       gfc_init_se (&maskse, NULL);
    6557          546 :       gfc_conv_expr_val (&maskse, maskexpr);
    6558          546 :       gfc_init_block (&block);
    6559          546 :       gfc_add_block_to_block (&block, &loop.pre);
    6560          546 :       gfc_add_block_to_block (&block, &loop.post);
    6561          546 :       tmp = gfc_finish_block (&block);
    6562              : 
    6563          546 :       if (HONOR_INFINITIES (DECL_MODE (limit)))
    6564          354 :         else_stmt = build2_v (MODIFY_EXPR, limit, huge_cst);
    6565              :       else
    6566          192 :         else_stmt = build_empty_stmt (input_location);
    6567              : 
    6568          546 :       ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    6569          546 :       tmp = build3_v (COND_EXPR, ifmask, tmp, else_stmt);
    6570          546 :       gfc_add_expr_to_block (&block, tmp);
    6571          546 :       gfc_add_block_to_block (&se->pre, &block);
    6572              :     }
    6573              :   else
    6574              :     {
    6575         1685 :       gfc_add_block_to_block (&se->pre, &loop.pre);
    6576         1685 :       gfc_add_block_to_block (&se->pre, &loop.post);
    6577              :     }
    6578              : 
    6579         2231 :   gfc_cleanup_loop (&loop);
    6580              : 
    6581         2231 :   se->expr = limit;
    6582              : }
    6583              : 
    6584              : /* BTEST (i, pos) = (i & (1 << pos)) != 0.  */
    6585              : static void
    6586          145 : gfc_conv_intrinsic_btest (gfc_se * se, gfc_expr * expr)
    6587              : {
    6588          145 :   tree args[2];
    6589          145 :   tree type;
    6590          145 :   tree tmp;
    6591              : 
    6592          145 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    6593          145 :   type = TREE_TYPE (args[0]);
    6594              : 
    6595              :   /* Optionally generate code for runtime argument check.  */
    6596          145 :   if (gfc_option.rtcheck & GFC_RTCHECK_BITS)
    6597              :     {
    6598            6 :       tree below = fold_build2_loc (input_location, LT_EXPR,
    6599              :                                     logical_type_node, args[1],
    6600            6 :                                     build_int_cst (TREE_TYPE (args[1]), 0));
    6601            6 :       tree nbits = build_int_cst (TREE_TYPE (args[1]), TYPE_PRECISION (type));
    6602            6 :       tree above = fold_build2_loc (input_location, GE_EXPR,
    6603              :                                     logical_type_node, args[1], nbits);
    6604            6 :       tree scond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    6605              :                                     logical_type_node, below, above);
    6606            6 :       gfc_trans_runtime_check (true, false, scond, &se->pre, &expr->where,
    6607              :                                "POS argument (%ld) out of range 0:%ld "
    6608              :                                "in intrinsic BTEST",
    6609              :                                fold_convert (long_integer_type_node, args[1]),
    6610              :                                fold_convert (long_integer_type_node, nbits));
    6611              :     }
    6612              : 
    6613          145 :   tmp = fold_build2_loc (input_location, LSHIFT_EXPR, type,
    6614              :                          build_int_cst (type, 1), args[1]);
    6615          145 :   tmp = fold_build2_loc (input_location, BIT_AND_EXPR, type, args[0], tmp);
    6616          145 :   tmp = fold_build2_loc (input_location, NE_EXPR, logical_type_node, tmp,
    6617              :                          build_int_cst (type, 0));
    6618          145 :   type = gfc_typenode_for_spec (&expr->ts);
    6619          145 :   se->expr = convert (type, tmp);
    6620          145 : }
    6621              : 
    6622              : 
    6623              : /* Generate code for BGE, BGT, BLE and BLT intrinsics.  */
    6624              : static void
    6625          216 : gfc_conv_intrinsic_bitcomp (gfc_se * se, gfc_expr * expr, enum tree_code op)
    6626              : {
    6627          216 :   tree args[2];
    6628              : 
    6629          216 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    6630              : 
    6631              :   /* Convert both arguments to the unsigned type of the same size.  */
    6632          216 :   args[0] = fold_convert (unsigned_type_for (TREE_TYPE (args[0])), args[0]);
    6633          216 :   args[1] = fold_convert (unsigned_type_for (TREE_TYPE (args[1])), args[1]);
    6634              : 
    6635              :   /* If they have unequal type size, convert to the larger one.  */
    6636          216 :   if (TYPE_PRECISION (TREE_TYPE (args[0]))
    6637          216 :       > TYPE_PRECISION (TREE_TYPE (args[1])))
    6638            0 :     args[1] = fold_convert (TREE_TYPE (args[0]), args[1]);
    6639          216 :   else if (TYPE_PRECISION (TREE_TYPE (args[1]))
    6640          216 :            > TYPE_PRECISION (TREE_TYPE (args[0])))
    6641            0 :     args[0] = fold_convert (TREE_TYPE (args[1]), args[0]);
    6642              : 
    6643              :   /* Now, we compare them.  */
    6644          216 :   se->expr = fold_build2_loc (input_location, op, logical_type_node,
    6645              :                               args[0], args[1]);
    6646          216 : }
    6647              : 
    6648              : 
    6649              : /* Generate code to perform the specified operation.  */
    6650              : static void
    6651         1837 : gfc_conv_intrinsic_bitop (gfc_se * se, gfc_expr * expr, enum tree_code op)
    6652              : {
    6653         1837 :   tree args[2];
    6654              : 
    6655         1837 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    6656         1837 :   se->expr = fold_build2_loc (input_location, op, TREE_TYPE (args[0]),
    6657              :                               args[0], args[1]);
    6658         1837 : }
    6659              : 
    6660              : /* Bitwise not.  */
    6661              : static void
    6662          230 : gfc_conv_intrinsic_not (gfc_se * se, gfc_expr * expr)
    6663              : {
    6664          230 :   tree arg;
    6665              : 
    6666          230 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    6667          230 :   se->expr = fold_build1_loc (input_location, BIT_NOT_EXPR,
    6668          230 :                               TREE_TYPE (arg), arg);
    6669          230 : }
    6670              : 
    6671              : 
    6672              : /* Generate code for OUT_OF_RANGE.  */
    6673              : static void
    6674          468 : gfc_conv_intrinsic_out_of_range (gfc_se * se, gfc_expr * expr)
    6675              : {
    6676          468 :   tree *args;
    6677          468 :   tree type;
    6678          468 :   tree tmp = NULL_TREE, tmp1, tmp2;
    6679          468 :   unsigned int num_args;
    6680          468 :   int k;
    6681          468 :   gfc_se rnd_se;
    6682          468 :   gfc_actual_arglist *arg = expr->value.function.actual;
    6683          468 :   gfc_expr *x = arg->expr;
    6684          468 :   gfc_expr *mold = arg->next->expr;
    6685              : 
    6686          468 :   num_args = gfc_intrinsic_argument_list_length (expr);
    6687          468 :   args = XALLOCAVEC (tree, num_args);
    6688              : 
    6689          468 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
    6690              : 
    6691          468 :   gfc_init_se (&rnd_se, NULL);
    6692              : 
    6693          468 :   if (num_args == 3)
    6694              :     {
    6695              :       /* The ROUND argument is optional and shall appear only if X is
    6696              :          of type real and MOLD is of type integer (see edit F23/004).  */
    6697          270 :       gfc_expr *round = arg->next->next->expr;
    6698          270 :       gfc_conv_expr (&rnd_se, round);
    6699              : 
    6700          270 :       if (round->expr_type == EXPR_VARIABLE
    6701          198 :           && round->symtree->n.sym->attr.dummy
    6702           30 :           && round->symtree->n.sym->attr.optional)
    6703              :         {
    6704           30 :           tree present = gfc_conv_expr_present (round->symtree->n.sym);
    6705           30 :           rnd_se.expr = build3_loc (input_location, COND_EXPR,
    6706              :                                     logical_type_node, present,
    6707              :                                     rnd_se.expr, logical_false_node);
    6708           30 :           gfc_add_block_to_block (&se->pre, &rnd_se.pre);
    6709              :         }
    6710              :     }
    6711              :   else
    6712              :     {
    6713              :       /* If ROUND is absent, it is equivalent to having the value false.  */
    6714          198 :       rnd_se.expr = logical_false_node;
    6715              :     }
    6716              : 
    6717          468 :   type = TREE_TYPE (args[0]);
    6718          468 :   k = gfc_validate_kind (mold->ts.type, mold->ts.kind, false);
    6719              : 
    6720          468 :   switch (x->ts.type)
    6721              :     {
    6722          378 :     case BT_REAL:
    6723              :       /* X may be IEEE infinity or NaN, but the representation of MOLD may not
    6724              :          support infinity or NaN.  */
    6725          378 :       tree finite;
    6726          378 :       finite = build_call_expr_loc (input_location,
    6727              :                                     builtin_decl_explicit (BUILT_IN_ISFINITE),
    6728              :                                     1,  args[0]);
    6729          378 :       finite = convert (logical_type_node, finite);
    6730              : 
    6731          378 :       if (mold->ts.type == BT_REAL)
    6732              :         {
    6733           24 :           tmp1 = build1 (ABS_EXPR, type, args[0]);
    6734           24 :           tmp2 = gfc_conv_mpfr_to_tree (gfc_real_kinds[k].huge,
    6735              :                                         mold->ts.kind, 0);
    6736           24 :           tmp = build2 (GT_EXPR, logical_type_node, tmp1,
    6737              :                         convert (type, tmp2));
    6738              : 
    6739              :           /* Check if MOLD representation supports infinity or NaN.  */
    6740           24 :           bool infnan = (HONOR_INFINITIES (TREE_TYPE (args[1]))
    6741           24 :                          || HONOR_NANS (TREE_TYPE (args[1])));
    6742           24 :           tmp = build3 (COND_EXPR, logical_type_node, finite, tmp,
    6743              :                         infnan ? logical_false_node : logical_true_node);
    6744              :         }
    6745              :       else
    6746              :         {
    6747          354 :           tree rounded;
    6748          354 :           tree decl;
    6749              : 
    6750          354 :           decl = gfc_builtin_decl_for_float_kind (BUILT_IN_TRUNC, x->ts.kind);
    6751          354 :           gcc_assert (decl != NULL_TREE);
    6752              : 
    6753              :           /* Round or truncate argument X, depending on the optional argument
    6754              :              ROUND (default: .false.).  */
    6755          354 :           tmp1 = build_round_expr (args[0], type);
    6756          354 :           tmp2 = build_call_expr_loc (input_location, decl, 1, args[0]);
    6757          354 :           rounded = build3 (COND_EXPR, type, rnd_se.expr, tmp1, tmp2);
    6758              : 
    6759          354 :           if (mold->ts.type == BT_INTEGER)
    6760              :             {
    6761          180 :               tmp1 = gfc_conv_mpz_to_tree (gfc_integer_kinds[k].min_int,
    6762              :                                            x->ts.kind);
    6763          180 :               tmp2 = gfc_conv_mpz_to_tree (gfc_integer_kinds[k].huge,
    6764              :                                            x->ts.kind);
    6765              :             }
    6766          174 :           else if (mold->ts.type == BT_UNSIGNED)
    6767              :             {
    6768          174 :               tmp1 = build_real_from_int_cst (type, integer_zero_node);
    6769          174 :               tmp2 = gfc_conv_mpz_to_tree (gfc_unsigned_kinds[k].huge,
    6770              :                                            x->ts.kind);
    6771              :             }
    6772              :           else
    6773            0 :             gcc_unreachable ();
    6774              : 
    6775          354 :           tmp1 = build2 (LT_EXPR, logical_type_node, rounded,
    6776              :                          convert (type, tmp1));
    6777          354 :           tmp2 = build2 (GT_EXPR, logical_type_node, rounded,
    6778              :                          convert (type, tmp2));
    6779          354 :           tmp = build2 (TRUTH_ORIF_EXPR, logical_type_node, tmp1, tmp2);
    6780          354 :           tmp = build2 (TRUTH_ORIF_EXPR, logical_type_node,
    6781              :                         build1 (TRUTH_NOT_EXPR, logical_type_node, finite),
    6782              :                         tmp);
    6783              :         }
    6784              :       break;
    6785              : 
    6786           48 :     case BT_INTEGER:
    6787           48 :       if (mold->ts.type == BT_INTEGER)
    6788              :         {
    6789           12 :           tmp1 = gfc_conv_mpz_to_tree (gfc_integer_kinds[k].min_int,
    6790              :                                        x->ts.kind);
    6791           12 :           tmp2 = gfc_conv_mpz_to_tree (gfc_integer_kinds[k].huge,
    6792              :                                        x->ts.kind);
    6793           12 :           tmp1 = build2 (LT_EXPR, logical_type_node, args[0],
    6794              :                          convert (type, tmp1));
    6795           12 :           tmp2 = build2 (GT_EXPR, logical_type_node, args[0],
    6796              :                          convert (type, tmp2));
    6797           12 :           tmp = build2 (TRUTH_ORIF_EXPR, logical_type_node, tmp1, tmp2);
    6798              :         }
    6799           36 :       else if (mold->ts.type == BT_UNSIGNED)
    6800              :         {
    6801           36 :           int i = gfc_validate_kind (x->ts.type, x->ts.kind, false);
    6802           36 :           tmp = build_int_cst (type, 0);
    6803           36 :           tmp = build2 (LT_EXPR, logical_type_node, args[0], tmp);
    6804           36 :           if (mpz_cmp (gfc_integer_kinds[i].huge,
    6805           36 :                        gfc_unsigned_kinds[k].huge) > 0)
    6806              :             {
    6807            0 :               tmp2 = gfc_conv_mpz_to_tree (gfc_unsigned_kinds[k].huge,
    6808              :                                            x->ts.kind);
    6809            0 :               tmp2 = build2 (GT_EXPR, logical_type_node, args[0],
    6810              :                              convert (type, tmp2));
    6811            0 :               tmp = build2 (TRUTH_ORIF_EXPR, logical_type_node, tmp, tmp2);
    6812              :             }
    6813              :         }
    6814            0 :       else if (mold->ts.type == BT_REAL)
    6815              :         {
    6816            0 :           tmp2 = gfc_conv_mpfr_to_tree (gfc_real_kinds[k].huge,
    6817              :                                         mold->ts.kind, 0);
    6818            0 :           tmp1 = build1 (NEGATE_EXPR, TREE_TYPE (tmp2), tmp2);
    6819            0 :           tmp1 = build2 (LT_EXPR, logical_type_node, args[0],
    6820              :                          convert (type, tmp1));
    6821            0 :           tmp2 = build2 (GT_EXPR, logical_type_node, args[0],
    6822              :                          convert (type, tmp2));
    6823            0 :           tmp = build2 (TRUTH_ORIF_EXPR, logical_type_node, tmp1, tmp2);
    6824              :         }
    6825              :       else
    6826            0 :         gcc_unreachable ();
    6827              :       break;
    6828              : 
    6829           42 :     case BT_UNSIGNED:
    6830           42 :       if (mold->ts.type == BT_UNSIGNED)
    6831              :         {
    6832           12 :           tmp = gfc_conv_mpz_to_tree (gfc_unsigned_kinds[k].huge,
    6833              :                                       x->ts.kind);
    6834           12 :           tmp = build2 (GT_EXPR, logical_type_node, args[0],
    6835              :                         convert (type, tmp));
    6836              :         }
    6837           30 :       else if (mold->ts.type == BT_INTEGER)
    6838              :         {
    6839           18 :           tmp = gfc_conv_mpz_to_tree (gfc_integer_kinds[k].huge,
    6840              :                                       x->ts.kind);
    6841           18 :           tmp = build2 (GT_EXPR, logical_type_node, args[0],
    6842              :                         convert (type, tmp));
    6843              :         }
    6844           12 :       else if (mold->ts.type == BT_REAL)
    6845              :         {
    6846           12 :           tmp = gfc_conv_mpfr_to_tree (gfc_real_kinds[k].huge,
    6847              :                                        mold->ts.kind, 0);
    6848           12 :           tmp = build2 (GT_EXPR, logical_type_node, args[0],
    6849              :                         convert (type, tmp));
    6850              :         }
    6851              :       else
    6852            0 :         gcc_unreachable ();
    6853              :       break;
    6854              : 
    6855            0 :     default:
    6856            0 :       gcc_unreachable ();
    6857              :     }
    6858              : 
    6859          468 :   se->expr = convert (gfc_typenode_for_spec (&expr->ts), tmp);
    6860          468 : }
    6861              : 
    6862              : 
    6863              : /* Set or clear a single bit.  */
    6864              : static void
    6865          306 : gfc_conv_intrinsic_singlebitop (gfc_se * se, gfc_expr * expr, int set)
    6866              : {
    6867          306 :   tree args[2];
    6868          306 :   tree type;
    6869          306 :   tree tmp;
    6870          306 :   enum tree_code op;
    6871              : 
    6872          306 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    6873          306 :   type = TREE_TYPE (args[0]);
    6874              : 
    6875              :   /* Optionally generate code for runtime argument check.  */
    6876          306 :   if (gfc_option.rtcheck & GFC_RTCHECK_BITS)
    6877              :     {
    6878           12 :       tree below = fold_build2_loc (input_location, LT_EXPR,
    6879              :                                     logical_type_node, args[1],
    6880           12 :                                     build_int_cst (TREE_TYPE (args[1]), 0));
    6881           12 :       tree nbits = build_int_cst (TREE_TYPE (args[1]), TYPE_PRECISION (type));
    6882           12 :       tree above = fold_build2_loc (input_location, GE_EXPR,
    6883              :                                     logical_type_node, args[1], nbits);
    6884           12 :       tree scond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    6885              :                                     logical_type_node, below, above);
    6886           12 :       size_t len_name = strlen (expr->value.function.isym->name);
    6887           12 :       char *name = XALLOCAVEC (char, len_name + 1);
    6888           72 :       for (size_t i = 0; i < len_name; i++)
    6889           60 :         name[i] = TOUPPER (expr->value.function.isym->name[i]);
    6890           12 :       name[len_name] = '\0';
    6891           12 :       tree iname = gfc_build_addr_expr (pchar_type_node,
    6892              :                                         gfc_build_cstring_const (name));
    6893           12 :       gfc_trans_runtime_check (true, false, scond, &se->pre, &expr->where,
    6894              :                                "POS argument (%ld) out of range 0:%ld "
    6895              :                                "in intrinsic %s",
    6896              :                                fold_convert (long_integer_type_node, args[1]),
    6897              :                                fold_convert (long_integer_type_node, nbits),
    6898              :                                iname);
    6899              :     }
    6900              : 
    6901          306 :   tmp = fold_build2_loc (input_location, LSHIFT_EXPR, type,
    6902              :                          build_int_cst (type, 1), args[1]);
    6903          306 :   if (set)
    6904              :     op = BIT_IOR_EXPR;
    6905              :   else
    6906              :     {
    6907          168 :       op = BIT_AND_EXPR;
    6908          168 :       tmp = fold_build1_loc (input_location, BIT_NOT_EXPR, type, tmp);
    6909              :     }
    6910          306 :   se->expr = fold_build2_loc (input_location, op, type, args[0], tmp);
    6911          306 : }
    6912              : 
    6913              : /* Extract a sequence of bits.
    6914              :     IBITS(I, POS, LEN) = (I >> POS) & ~((~0) << LEN).  */
    6915              : static void
    6916           27 : gfc_conv_intrinsic_ibits (gfc_se * se, gfc_expr * expr)
    6917              : {
    6918           27 :   tree args[3];
    6919           27 :   tree type;
    6920           27 :   tree tmp;
    6921           27 :   tree mask;
    6922           27 :   tree num_bits, cond;
    6923              : 
    6924           27 :   gfc_conv_intrinsic_function_args (se, expr, args, 3);
    6925           27 :   type = TREE_TYPE (args[0]);
    6926              : 
    6927              :   /* Optionally generate code for runtime argument check.  */
    6928           27 :   if (gfc_option.rtcheck & GFC_RTCHECK_BITS)
    6929              :     {
    6930           12 :       tree tmp1 = fold_convert (long_integer_type_node, args[1]);
    6931           12 :       tree tmp2 = fold_convert (long_integer_type_node, args[2]);
    6932           12 :       tree nbits = build_int_cst (long_integer_type_node,
    6933           12 :                                   TYPE_PRECISION (type));
    6934           12 :       tree below = fold_build2_loc (input_location, LT_EXPR,
    6935              :                                     logical_type_node, args[1],
    6936           12 :                                     build_int_cst (TREE_TYPE (args[1]), 0));
    6937           12 :       tree above = fold_build2_loc (input_location, GT_EXPR,
    6938              :                                     logical_type_node, tmp1, nbits);
    6939           12 :       tree scond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    6940              :                                     logical_type_node, below, above);
    6941           12 :       gfc_trans_runtime_check (true, false, scond, &se->pre, &expr->where,
    6942              :                                "POS argument (%ld) out of range 0:%ld "
    6943              :                                "in intrinsic IBITS", tmp1, nbits);
    6944           12 :       below = fold_build2_loc (input_location, LT_EXPR,
    6945              :                                logical_type_node, args[2],
    6946           12 :                                build_int_cst (TREE_TYPE (args[2]), 0));
    6947           12 :       above = fold_build2_loc (input_location, GT_EXPR,
    6948              :                                logical_type_node, tmp2, nbits);
    6949           12 :       scond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    6950              :                                logical_type_node, below, above);
    6951           12 :       gfc_trans_runtime_check (true, false, scond, &se->pre, &expr->where,
    6952              :                                "LEN argument (%ld) out of range 0:%ld "
    6953              :                                "in intrinsic IBITS", tmp2, nbits);
    6954           12 :       above = fold_build2_loc (input_location, PLUS_EXPR,
    6955              :                                long_integer_type_node, tmp1, tmp2);
    6956           12 :       scond = fold_build2_loc (input_location, GT_EXPR,
    6957              :                                logical_type_node, above, nbits);
    6958           12 :       gfc_trans_runtime_check (true, false, scond, &se->pre, &expr->where,
    6959              :                                "POS(%ld)+LEN(%ld)>BIT_SIZE(%ld) "
    6960              :                                "in intrinsic IBITS", tmp1, tmp2, nbits);
    6961              :     }
    6962              : 
    6963              :   /* The Fortran standard allows (shift width) LEN <= BIT_SIZE(I), whereas
    6964              :      gcc requires a shift width < BIT_SIZE(I), so we have to catch this
    6965              :      special case.  See also gfc_conv_intrinsic_ishft ().  */
    6966           27 :   num_bits = build_int_cst (TREE_TYPE (args[2]), TYPE_PRECISION (type));
    6967              : 
    6968           27 :   mask = build_int_cst (type, -1);
    6969           27 :   mask = fold_build2_loc (input_location, LSHIFT_EXPR, type, mask, args[2]);
    6970           27 :   cond = fold_build2_loc (input_location, GE_EXPR, logical_type_node, args[2],
    6971              :                           num_bits);
    6972           27 :   mask = fold_build3_loc (input_location, COND_EXPR, type, cond,
    6973              :                           build_int_cst (type, 0), mask);
    6974           27 :   mask = fold_build1_loc (input_location, BIT_NOT_EXPR, type, mask);
    6975              : 
    6976           27 :   tmp = fold_build2_loc (input_location, RSHIFT_EXPR, type, args[0], args[1]);
    6977              : 
    6978           27 :   se->expr = fold_build2_loc (input_location, BIT_AND_EXPR, type, tmp, mask);
    6979           27 : }
    6980              : 
    6981              : static void
    6982          492 : gfc_conv_intrinsic_shift (gfc_se * se, gfc_expr * expr, bool right_shift,
    6983              :                           bool arithmetic)
    6984              : {
    6985          492 :   tree args[2], type, num_bits, cond;
    6986          492 :   tree bigshift;
    6987          492 :   bool do_convert = false;
    6988              : 
    6989          492 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    6990              : 
    6991          492 :   args[0] = gfc_evaluate_now (args[0], &se->pre);
    6992          492 :   args[1] = gfc_evaluate_now (args[1], &se->pre);
    6993          492 :   type = TREE_TYPE (args[0]);
    6994              : 
    6995          492 :   if (!arithmetic)
    6996              :     {
    6997          390 :       args[0] = fold_convert (unsigned_type_for (type), args[0]);
    6998          390 :       do_convert = true;
    6999              :     }
    7000              :   else
    7001          102 :     gcc_assert (right_shift);
    7002              : 
    7003          492 :   if (flag_unsigned && arithmetic && expr->ts.type == BT_UNSIGNED)
    7004              :     {
    7005           30 :       do_convert = true;
    7006           30 :       args[0] = fold_convert (signed_type_for (type), args[0]);
    7007              :     }
    7008              : 
    7009          816 :   se->expr = fold_build2_loc (input_location,
    7010              :                               right_shift ? RSHIFT_EXPR : LSHIFT_EXPR,
    7011          492 :                               TREE_TYPE (args[0]), args[0], args[1]);
    7012              : 
    7013          492 :   if (do_convert)
    7014          420 :     se->expr = fold_convert (type, se->expr);
    7015              : 
    7016          492 :   if (!arithmetic)
    7017          390 :     bigshift = build_int_cst (type, 0);
    7018              :   else
    7019              :     {
    7020          102 :       tree nonneg = fold_build2_loc (input_location, GE_EXPR,
    7021              :                                      logical_type_node, args[0],
    7022          102 :                                      build_int_cst (TREE_TYPE (args[0]), 0));
    7023          102 :       bigshift = fold_build3_loc (input_location, COND_EXPR, type, nonneg,
    7024              :                                   build_int_cst (type, 0),
    7025              :                                   build_int_cst (type, -1));
    7026              :     }
    7027              : 
    7028              :   /* The Fortran standard allows shift widths <= BIT_SIZE(I), whereas
    7029              :      gcc requires a shift width < BIT_SIZE(I), so we have to catch this
    7030              :      special case.  */
    7031          492 :   num_bits = build_int_cst (TREE_TYPE (args[1]), TYPE_PRECISION (type));
    7032              : 
    7033              :   /* Optionally generate code for runtime argument check.  */
    7034          492 :   if (gfc_option.rtcheck & GFC_RTCHECK_BITS)
    7035              :     {
    7036           30 :       tree below = fold_build2_loc (input_location, LT_EXPR,
    7037              :                                     logical_type_node, args[1],
    7038           30 :                                     build_int_cst (TREE_TYPE (args[1]), 0));
    7039           30 :       tree above = fold_build2_loc (input_location, GT_EXPR,
    7040              :                                     logical_type_node, args[1], num_bits);
    7041           30 :       tree scond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    7042              :                                     logical_type_node, below, above);
    7043           30 :       size_t len_name = strlen (expr->value.function.isym->name);
    7044           30 :       char *name = XALLOCAVEC (char, len_name + 1);
    7045          210 :       for (size_t i = 0; i < len_name; i++)
    7046          180 :         name[i] = TOUPPER (expr->value.function.isym->name[i]);
    7047           30 :       name[len_name] = '\0';
    7048           30 :       tree iname = gfc_build_addr_expr (pchar_type_node,
    7049              :                                         gfc_build_cstring_const (name));
    7050           30 :       gfc_trans_runtime_check (true, false, scond, &se->pre, &expr->where,
    7051              :                                "SHIFT argument (%ld) out of range 0:%ld "
    7052              :                                "in intrinsic %s",
    7053              :                                fold_convert (long_integer_type_node, args[1]),
    7054              :                                fold_convert (long_integer_type_node, num_bits),
    7055              :                                iname);
    7056              :     }
    7057              : 
    7058          492 :   cond = fold_build2_loc (input_location, GE_EXPR, logical_type_node,
    7059              :                           args[1], num_bits);
    7060              : 
    7061          492 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, cond,
    7062              :                               bigshift, se->expr);
    7063          492 : }
    7064              : 
    7065              : /* ISHFT (I, SHIFT) = (abs (shift) >= BIT_SIZE (i))
    7066              :                         ? 0
    7067              :                         : ((shift >= 0) ? i << shift : i >> -shift)
    7068              :    where all shifts are logical shifts.  */
    7069              : static void
    7070          318 : gfc_conv_intrinsic_ishft (gfc_se * se, gfc_expr * expr)
    7071              : {
    7072          318 :   tree args[2];
    7073          318 :   tree type;
    7074          318 :   tree utype;
    7075          318 :   tree tmp;
    7076          318 :   tree width;
    7077          318 :   tree num_bits;
    7078          318 :   tree cond;
    7079          318 :   tree lshift;
    7080          318 :   tree rshift;
    7081              : 
    7082          318 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    7083              : 
    7084          318 :   args[0] = gfc_evaluate_now (args[0], &se->pre);
    7085          318 :   args[1] = gfc_evaluate_now (args[1], &se->pre);
    7086              : 
    7087          318 :   type = TREE_TYPE (args[0]);
    7088          318 :   utype = unsigned_type_for (type);
    7089              : 
    7090          318 :   width = fold_build1_loc (input_location, ABS_EXPR, TREE_TYPE (args[1]),
    7091              :                            args[1]);
    7092              : 
    7093              :   /* Left shift if positive.  */
    7094          318 :   lshift = fold_build2_loc (input_location, LSHIFT_EXPR, type, args[0], width);
    7095              : 
    7096              :   /* Right shift if negative.
    7097              :      We convert to an unsigned type because we want a logical shift.
    7098              :      The standard doesn't define the case of shifting negative
    7099              :      numbers, and we try to be compatible with other compilers, most
    7100              :      notably g77, here.  */
    7101          318 :   rshift = fold_convert (type, fold_build2_loc (input_location, RSHIFT_EXPR,
    7102              :                                     utype, convert (utype, args[0]), width));
    7103              : 
    7104          318 :   tmp = fold_build2_loc (input_location, GE_EXPR, logical_type_node, args[1],
    7105          318 :                          build_int_cst (TREE_TYPE (args[1]), 0));
    7106          318 :   tmp = fold_build3_loc (input_location, COND_EXPR, type, tmp, lshift, rshift);
    7107              : 
    7108              :   /* The Fortran standard allows shift widths <= BIT_SIZE(I), whereas
    7109              :      gcc requires a shift width < BIT_SIZE(I), so we have to catch this
    7110              :      special case.  */
    7111          318 :   num_bits = build_int_cst (TREE_TYPE (args[1]), TYPE_PRECISION (type));
    7112              : 
    7113              :   /* Optionally generate code for runtime argument check.  */
    7114          318 :   if (gfc_option.rtcheck & GFC_RTCHECK_BITS)
    7115              :     {
    7116           24 :       tree outside = fold_build2_loc (input_location, GT_EXPR,
    7117              :                                     logical_type_node, width, num_bits);
    7118           24 :       gfc_trans_runtime_check (true, false, outside, &se->pre, &expr->where,
    7119              :                                "SHIFT argument (%ld) out of range -%ld:%ld "
    7120              :                                "in intrinsic ISHFT",
    7121              :                                fold_convert (long_integer_type_node, args[1]),
    7122              :                                fold_convert (long_integer_type_node, num_bits),
    7123              :                                fold_convert (long_integer_type_node, num_bits));
    7124              :     }
    7125              : 
    7126          318 :   cond = fold_build2_loc (input_location, GE_EXPR, logical_type_node, width,
    7127              :                           num_bits);
    7128          318 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, cond,
    7129              :                               build_int_cst (type, 0), tmp);
    7130          318 : }
    7131              : 
    7132              : 
    7133              : /* Circular shift.  AKA rotate or barrel shift.  */
    7134              : 
    7135              : static void
    7136          658 : gfc_conv_intrinsic_ishftc (gfc_se * se, gfc_expr * expr)
    7137              : {
    7138          658 :   tree *args;
    7139          658 :   tree type;
    7140          658 :   tree tmp;
    7141          658 :   tree lrot;
    7142          658 :   tree rrot;
    7143          658 :   tree zero;
    7144          658 :   tree nbits;
    7145          658 :   unsigned int num_args;
    7146              : 
    7147          658 :   num_args = gfc_intrinsic_argument_list_length (expr);
    7148          658 :   args = XALLOCAVEC (tree, num_args);
    7149              : 
    7150          658 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
    7151              : 
    7152          658 :   type = TREE_TYPE (args[0]);
    7153          658 :   nbits = build_int_cst (long_integer_type_node, TYPE_PRECISION (type));
    7154              : 
    7155          658 :   if (num_args == 3)
    7156              :     {
    7157          550 :       gfc_expr *size = expr->value.function.actual->next->next->expr;
    7158              : 
    7159              :       /* Use a library function for the 3 parameter version.  */
    7160          550 :       tree int4type = gfc_get_int_type (4);
    7161              : 
    7162              :       /* Treat optional SIZE argument when it is passed as an optional
    7163              :          dummy.  If SIZE is absent, the default value is BIT_SIZE(I).  */
    7164          550 :       if (size->expr_type == EXPR_VARIABLE
    7165          438 :           && size->symtree->n.sym->attr.dummy
    7166           36 :           && size->symtree->n.sym->attr.optional)
    7167              :         {
    7168           36 :           tree type_of_size = TREE_TYPE (args[2]);
    7169           72 :           args[2] = build3_loc (input_location, COND_EXPR, type_of_size,
    7170           36 :                                 gfc_conv_expr_present (size->symtree->n.sym),
    7171              :                                 args[2], fold_convert (type_of_size, nbits));
    7172              :         }
    7173              : 
    7174              :       /* We convert the first argument to at least 4 bytes, and
    7175              :          convert back afterwards.  This removes the need for library
    7176              :          functions for all argument sizes, and function will be
    7177              :          aligned to at least 32 bits, so there's no loss.  */
    7178          550 :       if (expr->ts.kind < 4)
    7179          242 :         args[0] = convert (int4type, args[0]);
    7180              : 
    7181              :       /* Convert the SHIFT and SIZE args to INTEGER*4 otherwise we would
    7182              :          need loads of library  functions.  They cannot have values >
    7183              :          BIT_SIZE (I) so the conversion is safe.  */
    7184          550 :       args[1] = convert (int4type, args[1]);
    7185          550 :       args[2] = convert (int4type, args[2]);
    7186              : 
    7187              :       /* Optionally generate code for runtime argument check.  */
    7188          550 :       if (gfc_option.rtcheck & GFC_RTCHECK_BITS)
    7189              :         {
    7190           18 :           tree size = fold_convert (long_integer_type_node, args[2]);
    7191           18 :           tree below = fold_build2_loc (input_location, LE_EXPR,
    7192              :                                         logical_type_node, size,
    7193           18 :                                         build_int_cst (TREE_TYPE (args[1]), 0));
    7194           18 :           tree above = fold_build2_loc (input_location, GT_EXPR,
    7195              :                                         logical_type_node, size, nbits);
    7196           18 :           tree scond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    7197              :                                         logical_type_node, below, above);
    7198           18 :           gfc_trans_runtime_check (true, false, scond, &se->pre, &expr->where,
    7199              :                                    "SIZE argument (%ld) out of range 1:%ld "
    7200              :                                    "in intrinsic ISHFTC", size, nbits);
    7201           18 :           tree width = fold_convert (long_integer_type_node, args[1]);
    7202           18 :           width = fold_build1_loc (input_location, ABS_EXPR,
    7203              :                                    long_integer_type_node, width);
    7204           18 :           scond = fold_build2_loc (input_location, GT_EXPR,
    7205              :                                    logical_type_node, width, size);
    7206           18 :           gfc_trans_runtime_check (true, false, scond, &se->pre, &expr->where,
    7207              :                                    "SHIFT argument (%ld) out of range -%ld:%ld "
    7208              :                                    "in intrinsic ISHFTC",
    7209              :                                    fold_convert (long_integer_type_node, args[1]),
    7210              :                                    size, size);
    7211              :         }
    7212              : 
    7213          550 :       switch (expr->ts.kind)
    7214              :         {
    7215          426 :         case 1:
    7216          426 :         case 2:
    7217          426 :         case 4:
    7218          426 :           tmp = gfor_fndecl_math_ishftc4;
    7219          426 :           break;
    7220          124 :         case 8:
    7221          124 :           tmp = gfor_fndecl_math_ishftc8;
    7222          124 :           break;
    7223            0 :         case 16:
    7224            0 :           tmp = gfor_fndecl_math_ishftc16;
    7225            0 :           break;
    7226            0 :         default:
    7227            0 :           gcc_unreachable ();
    7228              :         }
    7229          550 :       se->expr = build_call_expr_loc (input_location,
    7230              :                                       tmp, 3, args[0], args[1], args[2]);
    7231              :       /* Convert the result back to the original type, if we extended
    7232              :          the first argument's width above.  */
    7233          550 :       if (expr->ts.kind < 4)
    7234          242 :         se->expr = convert (type, se->expr);
    7235              : 
    7236          550 :       return;
    7237              :     }
    7238              : 
    7239              :   /* Evaluate arguments only once.  */
    7240          108 :   args[0] = gfc_evaluate_now (args[0], &se->pre);
    7241          108 :   args[1] = gfc_evaluate_now (args[1], &se->pre);
    7242              : 
    7243              :   /* Optionally generate code for runtime argument check.  */
    7244          108 :   if (gfc_option.rtcheck & GFC_RTCHECK_BITS)
    7245              :     {
    7246           12 :       tree width = fold_convert (long_integer_type_node, args[1]);
    7247           12 :       width = fold_build1_loc (input_location, ABS_EXPR,
    7248              :                                long_integer_type_node, width);
    7249           12 :       tree outside = fold_build2_loc (input_location, GT_EXPR,
    7250              :                                       logical_type_node, width, nbits);
    7251           12 :       gfc_trans_runtime_check (true, false, outside, &se->pre, &expr->where,
    7252              :                                "SHIFT argument (%ld) out of range -%ld:%ld "
    7253              :                                "in intrinsic ISHFTC",
    7254              :                                fold_convert (long_integer_type_node, args[1]),
    7255              :                                nbits, nbits);
    7256              :     }
    7257              : 
    7258              :   /* Rotate left if positive.  */
    7259          108 :   lrot = fold_build2_loc (input_location, LROTATE_EXPR, type, args[0], args[1]);
    7260              : 
    7261              :   /* Rotate right if negative.  */
    7262          108 :   tmp = fold_build1_loc (input_location, NEGATE_EXPR, TREE_TYPE (args[1]),
    7263              :                          args[1]);
    7264          108 :   rrot = fold_build2_loc (input_location,RROTATE_EXPR, type, args[0], tmp);
    7265              : 
    7266          108 :   zero = build_int_cst (TREE_TYPE (args[1]), 0);
    7267          108 :   tmp = fold_build2_loc (input_location, GT_EXPR, logical_type_node, args[1],
    7268              :                          zero);
    7269          108 :   rrot = fold_build3_loc (input_location, COND_EXPR, type, tmp, lrot, rrot);
    7270              : 
    7271              :   /* Do nothing if shift == 0.  */
    7272          108 :   tmp = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, args[1],
    7273              :                          zero);
    7274          108 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, tmp, args[0],
    7275              :                               rrot);
    7276              : }
    7277              : 
    7278              : 
    7279              : /* LEADZ (i) = (i == 0) ? BIT_SIZE (i)
    7280              :                         : __builtin_clz(i) - (BIT_SIZE('int') - BIT_SIZE(i))
    7281              : 
    7282              :    The conditional expression is necessary because the result of LEADZ(0)
    7283              :    is defined, but the result of __builtin_clz(0) is undefined for most
    7284              :    targets.
    7285              : 
    7286              :    For INTEGER kinds smaller than the C 'int' type, we have to subtract the
    7287              :    difference in bit size between the argument of LEADZ and the C int.  */
    7288              : 
    7289              : static void
    7290          270 : gfc_conv_intrinsic_leadz (gfc_se * se, gfc_expr * expr)
    7291              : {
    7292          270 :   tree arg;
    7293          270 :   tree arg_type;
    7294          270 :   tree cond;
    7295          270 :   tree result_type;
    7296          270 :   tree leadz;
    7297          270 :   tree bit_size;
    7298          270 :   tree tmp;
    7299          270 :   tree func;
    7300          270 :   int s, argsize;
    7301              : 
    7302          270 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    7303          270 :   argsize = TYPE_PRECISION (TREE_TYPE (arg));
    7304              : 
    7305              :   /* Which variant of __builtin_clz* should we call?  */
    7306          270 :   if (argsize <= INT_TYPE_SIZE)
    7307              :     {
    7308          183 :       arg_type = unsigned_type_node;
    7309          183 :       func = builtin_decl_explicit (BUILT_IN_CLZ);
    7310              :     }
    7311           87 :   else if (argsize <= LONG_TYPE_SIZE)
    7312              :     {
    7313           57 :       arg_type = long_unsigned_type_node;
    7314           57 :       func = builtin_decl_explicit (BUILT_IN_CLZL);
    7315              :     }
    7316           30 :   else if (argsize <= LONG_LONG_TYPE_SIZE)
    7317              :     {
    7318            0 :       arg_type = long_long_unsigned_type_node;
    7319            0 :       func = builtin_decl_explicit (BUILT_IN_CLZLL);
    7320              :     }
    7321              :   else
    7322              :     {
    7323           30 :       gcc_assert (argsize == 2 * LONG_LONG_TYPE_SIZE);
    7324           30 :       arg_type = gfc_build_uint_type (argsize);
    7325           30 :       func = NULL_TREE;
    7326              :     }
    7327              : 
    7328              :   /* Convert the actual argument twice: first, to the unsigned type of the
    7329              :      same size; then, to the proper argument type for the built-in
    7330              :      function.  But the return type is of the default INTEGER kind.  */
    7331          270 :   arg = fold_convert (gfc_build_uint_type (argsize), arg);
    7332          270 :   arg = fold_convert (arg_type, arg);
    7333          270 :   arg = gfc_evaluate_now (arg, &se->pre);
    7334          270 :   result_type = gfc_get_int_type (gfc_default_integer_kind);
    7335              : 
    7336              :   /* Compute LEADZ for the case i .ne. 0.  */
    7337          270 :   if (func)
    7338              :     {
    7339          240 :       s = TYPE_PRECISION (arg_type) - argsize;
    7340          240 :       tmp = fold_convert (result_type,
    7341              :                           build_call_expr_loc (input_location, func,
    7342              :                                                1, arg));
    7343          240 :       leadz = fold_build2_loc (input_location, MINUS_EXPR, result_type,
    7344          240 :                                tmp, build_int_cst (result_type, s));
    7345              :     }
    7346              :   else
    7347              :     {
    7348              :       /* We end up here if the argument type is larger than 'long long'.
    7349              :          We generate this code:
    7350              : 
    7351              :             if (x & (ULL_MAX << ULL_SIZE) != 0)
    7352              :               return clzll ((unsigned long long) (x >> ULLSIZE));
    7353              :             else
    7354              :               return ULL_SIZE + clzll ((unsigned long long) x);
    7355              :          where ULL_MAX is the largest value that a ULL_MAX can hold
    7356              :          (0xFFFFFFFFFFFFFFFF for a 64-bit long long type), and ULLSIZE
    7357              :          is the bit-size of the long long type (64 in this example).  */
    7358           30 :       tree ullsize, ullmax, tmp1, tmp2, btmp;
    7359              : 
    7360           30 :       ullsize = build_int_cst (result_type, LONG_LONG_TYPE_SIZE);
    7361           30 :       ullmax = fold_build1_loc (input_location, BIT_NOT_EXPR,
    7362              :                                 long_long_unsigned_type_node,
    7363              :                                 build_int_cst (long_long_unsigned_type_node,
    7364              :                                                0));
    7365              : 
    7366           30 :       cond = fold_build2_loc (input_location, LSHIFT_EXPR, arg_type,
    7367              :                               fold_convert (arg_type, ullmax), ullsize);
    7368           30 :       cond = fold_build2_loc (input_location, BIT_AND_EXPR, arg_type,
    7369              :                               arg, cond);
    7370           30 :       cond = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    7371              :                               cond, build_int_cst (arg_type, 0));
    7372              : 
    7373           30 :       tmp1 = fold_build2_loc (input_location, RSHIFT_EXPR, arg_type,
    7374              :                               arg, ullsize);
    7375           30 :       tmp1 = fold_convert (long_long_unsigned_type_node, tmp1);
    7376           30 :       btmp = builtin_decl_explicit (BUILT_IN_CLZLL);
    7377           30 :       tmp1 = fold_convert (result_type,
    7378              :                            build_call_expr_loc (input_location, btmp, 1, tmp1));
    7379              : 
    7380           30 :       tmp2 = fold_convert (long_long_unsigned_type_node, arg);
    7381           30 :       btmp = builtin_decl_explicit (BUILT_IN_CLZLL);
    7382           30 :       tmp2 = fold_convert (result_type,
    7383              :                            build_call_expr_loc (input_location, btmp, 1, tmp2));
    7384           30 :       tmp2 = fold_build2_loc (input_location, PLUS_EXPR, result_type,
    7385              :                               tmp2, ullsize);
    7386              : 
    7387           30 :       leadz = fold_build3_loc (input_location, COND_EXPR, result_type,
    7388              :                                cond, tmp1, tmp2);
    7389              :     }
    7390              : 
    7391              :   /* Build BIT_SIZE.  */
    7392          270 :   bit_size = build_int_cst (result_type, argsize);
    7393              : 
    7394          270 :   cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    7395              :                           arg, build_int_cst (arg_type, 0));
    7396          270 :   se->expr = fold_build3_loc (input_location, COND_EXPR, result_type, cond,
    7397              :                               bit_size, leadz);
    7398          270 : }
    7399              : 
    7400              : 
    7401              : /* TRAILZ(i) = (i == 0) ? BIT_SIZE (i) : __builtin_ctz(i)
    7402              : 
    7403              :    The conditional expression is necessary because the result of TRAILZ(0)
    7404              :    is defined, but the result of __builtin_ctz(0) is undefined for most
    7405              :    targets.  */
    7406              : 
    7407              : static void
    7408          282 : gfc_conv_intrinsic_trailz (gfc_se * se, gfc_expr *expr)
    7409              : {
    7410          282 :   tree arg;
    7411          282 :   tree arg_type;
    7412          282 :   tree cond;
    7413          282 :   tree result_type;
    7414          282 :   tree trailz;
    7415          282 :   tree bit_size;
    7416          282 :   tree func;
    7417          282 :   int argsize;
    7418              : 
    7419          282 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    7420          282 :   argsize = TYPE_PRECISION (TREE_TYPE (arg));
    7421              : 
    7422              :   /* Which variant of __builtin_ctz* should we call?  */
    7423          282 :   if (argsize <= INT_TYPE_SIZE)
    7424              :     {
    7425          195 :       arg_type = unsigned_type_node;
    7426          195 :       func = builtin_decl_explicit (BUILT_IN_CTZ);
    7427              :     }
    7428           87 :   else if (argsize <= LONG_TYPE_SIZE)
    7429              :     {
    7430           57 :       arg_type = long_unsigned_type_node;
    7431           57 :       func = builtin_decl_explicit (BUILT_IN_CTZL);
    7432              :     }
    7433           30 :   else if (argsize <= LONG_LONG_TYPE_SIZE)
    7434              :     {
    7435            0 :       arg_type = long_long_unsigned_type_node;
    7436            0 :       func = builtin_decl_explicit (BUILT_IN_CTZLL);
    7437              :     }
    7438              :   else
    7439              :     {
    7440           30 :       gcc_assert (argsize == 2 * LONG_LONG_TYPE_SIZE);
    7441           30 :       arg_type = gfc_build_uint_type (argsize);
    7442           30 :       func = NULL_TREE;
    7443              :     }
    7444              : 
    7445              :   /* Convert the actual argument twice: first, to the unsigned type of the
    7446              :      same size; then, to the proper argument type for the built-in
    7447              :      function.  But the return type is of the default INTEGER kind.  */
    7448          282 :   arg = fold_convert (gfc_build_uint_type (argsize), arg);
    7449          282 :   arg = fold_convert (arg_type, arg);
    7450          282 :   arg = gfc_evaluate_now (arg, &se->pre);
    7451          282 :   result_type = gfc_get_int_type (gfc_default_integer_kind);
    7452              : 
    7453              :   /* Compute TRAILZ for the case i .ne. 0.  */
    7454          282 :   if (func)
    7455          252 :     trailz = fold_convert (result_type, build_call_expr_loc (input_location,
    7456              :                                                              func, 1, arg));
    7457              :   else
    7458              :     {
    7459              :       /* We end up here if the argument type is larger than 'long long'.
    7460              :          We generate this code:
    7461              : 
    7462              :             if ((x & ULL_MAX) == 0)
    7463              :               return ULL_SIZE + ctzll ((unsigned long long) (x >> ULLSIZE));
    7464              :             else
    7465              :               return ctzll ((unsigned long long) x);
    7466              : 
    7467              :          where ULL_MAX is the largest value that a ULL_MAX can hold
    7468              :          (0xFFFFFFFFFFFFFFFF for a 64-bit long long type), and ULLSIZE
    7469              :          is the bit-size of the long long type (64 in this example).  */
    7470           30 :       tree ullsize, ullmax, tmp1, tmp2, btmp;
    7471              : 
    7472           30 :       ullsize = build_int_cst (result_type, LONG_LONG_TYPE_SIZE);
    7473           30 :       ullmax = fold_build1_loc (input_location, BIT_NOT_EXPR,
    7474              :                                 long_long_unsigned_type_node,
    7475              :                                 build_int_cst (long_long_unsigned_type_node, 0));
    7476              : 
    7477           30 :       cond = fold_build2_loc (input_location, BIT_AND_EXPR, arg_type, arg,
    7478              :                               fold_convert (arg_type, ullmax));
    7479           30 :       cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, cond,
    7480              :                               build_int_cst (arg_type, 0));
    7481              : 
    7482           30 :       tmp1 = fold_build2_loc (input_location, RSHIFT_EXPR, arg_type,
    7483              :                               arg, ullsize);
    7484           30 :       tmp1 = fold_convert (long_long_unsigned_type_node, tmp1);
    7485           30 :       btmp = builtin_decl_explicit (BUILT_IN_CTZLL);
    7486           30 :       tmp1 = fold_convert (result_type,
    7487              :                            build_call_expr_loc (input_location, btmp, 1, tmp1));
    7488           30 :       tmp1 = fold_build2_loc (input_location, PLUS_EXPR, result_type,
    7489              :                               tmp1, ullsize);
    7490              : 
    7491           30 :       tmp2 = fold_convert (long_long_unsigned_type_node, arg);
    7492           30 :       btmp = builtin_decl_explicit (BUILT_IN_CTZLL);
    7493           30 :       tmp2 = fold_convert (result_type,
    7494              :                            build_call_expr_loc (input_location, btmp, 1, tmp2));
    7495              : 
    7496           30 :       trailz = fold_build3_loc (input_location, COND_EXPR, result_type,
    7497              :                                 cond, tmp1, tmp2);
    7498              :     }
    7499              : 
    7500              :   /* Build BIT_SIZE.  */
    7501          282 :   bit_size = build_int_cst (result_type, argsize);
    7502              : 
    7503          282 :   cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    7504              :                           arg, build_int_cst (arg_type, 0));
    7505          282 :   se->expr = fold_build3_loc (input_location, COND_EXPR, result_type, cond,
    7506              :                               bit_size, trailz);
    7507          282 : }
    7508              : 
    7509              : /* Using __builtin_popcount for POPCNT and __builtin_parity for POPPAR;
    7510              :    for types larger than "long long", we call the long long built-in for
    7511              :    the lower and higher bits and combine the result.  */
    7512              : 
    7513              : static void
    7514          134 : gfc_conv_intrinsic_popcnt_poppar (gfc_se * se, gfc_expr *expr, int parity)
    7515              : {
    7516          134 :   tree arg;
    7517          134 :   tree arg_type;
    7518          134 :   tree result_type;
    7519          134 :   tree func;
    7520          134 :   int argsize;
    7521              : 
    7522          134 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    7523          134 :   argsize = TYPE_PRECISION (TREE_TYPE (arg));
    7524          134 :   result_type = gfc_get_int_type (gfc_default_integer_kind);
    7525              : 
    7526              :   /* Which variant of the builtin should we call?  */
    7527          134 :   if (argsize <= INT_TYPE_SIZE)
    7528              :     {
    7529          108 :       arg_type = unsigned_type_node;
    7530          198 :       func = builtin_decl_explicit (parity
    7531              :                                     ? BUILT_IN_PARITY
    7532              :                                     : BUILT_IN_POPCOUNT);
    7533              :     }
    7534           26 :   else if (argsize <= LONG_TYPE_SIZE)
    7535              :     {
    7536           12 :       arg_type = long_unsigned_type_node;
    7537           18 :       func = builtin_decl_explicit (parity
    7538              :                                     ? BUILT_IN_PARITYL
    7539              :                                     : BUILT_IN_POPCOUNTL);
    7540              :     }
    7541           14 :   else if (argsize <= LONG_LONG_TYPE_SIZE)
    7542              :     {
    7543            0 :       arg_type = long_long_unsigned_type_node;
    7544            0 :       func = builtin_decl_explicit (parity
    7545              :                                     ? BUILT_IN_PARITYLL
    7546              :                                     : BUILT_IN_POPCOUNTLL);
    7547              :     }
    7548              :   else
    7549              :     {
    7550              :       /* Our argument type is larger than 'long long', which mean none
    7551              :          of the POPCOUNT builtins covers it.  We thus call the 'long long'
    7552              :          variant multiple times, and add the results.  */
    7553           14 :       tree utype, arg2, call1, call2;
    7554              : 
    7555              :       /* For now, we only cover the case where argsize is twice as large
    7556              :          as 'long long'.  */
    7557           14 :       gcc_assert (argsize == 2 * LONG_LONG_TYPE_SIZE);
    7558              : 
    7559           21 :       func = builtin_decl_explicit (parity
    7560              :                                     ? BUILT_IN_PARITYLL
    7561              :                                     : BUILT_IN_POPCOUNTLL);
    7562              : 
    7563              :       /* Convert it to an integer, and store into a variable.  */
    7564           14 :       utype = gfc_build_uint_type (argsize);
    7565           14 :       arg = fold_convert (utype, arg);
    7566           14 :       arg = gfc_evaluate_now (arg, &se->pre);
    7567              : 
    7568              :       /* Call the builtin twice.  */
    7569           14 :       call1 = build_call_expr_loc (input_location, func, 1,
    7570              :                                    fold_convert (long_long_unsigned_type_node,
    7571              :                                                  arg));
    7572              : 
    7573           14 :       arg2 = fold_build2_loc (input_location, RSHIFT_EXPR, utype, arg,
    7574              :                               build_int_cst (utype, LONG_LONG_TYPE_SIZE));
    7575           14 :       call2 = build_call_expr_loc (input_location, func, 1,
    7576              :                                    fold_convert (long_long_unsigned_type_node,
    7577              :                                                  arg2));
    7578              : 
    7579              :       /* Combine the results.  */
    7580           14 :       if (parity)
    7581            7 :         se->expr = fold_build2_loc (input_location, BIT_XOR_EXPR,
    7582              :                                     integer_type_node, call1, call2);
    7583              :       else
    7584            7 :         se->expr = fold_build2_loc (input_location, PLUS_EXPR,
    7585              :                                     integer_type_node, call1, call2);
    7586              : 
    7587           14 :       se->expr = convert (result_type, se->expr);
    7588           14 :       return;
    7589              :     }
    7590              : 
    7591              :   /* Convert the actual argument twice: first, to the unsigned type of the
    7592              :      same size; then, to the proper argument type for the built-in
    7593              :      function.  */
    7594          120 :   arg = fold_convert (gfc_build_uint_type (argsize), arg);
    7595          120 :   arg = fold_convert (arg_type, arg);
    7596              : 
    7597          120 :   se->expr = fold_convert (result_type,
    7598              :                            build_call_expr_loc (input_location, func, 1, arg));
    7599              : }
    7600              : 
    7601              : 
    7602              : /* Process an intrinsic with unspecified argument-types that has an optional
    7603              :    argument (which could be of type character), e.g. EOSHIFT.  For those, we
    7604              :    need to append the string length of the optional argument if it is not
    7605              :    present and the type is really character.
    7606              :    primary specifies the position (starting at 1) of the non-optional argument
    7607              :    specifying the type and optional gives the position of the optional
    7608              :    argument in the arglist.  */
    7609              : 
    7610              : static void
    7611         5843 : conv_generic_with_optional_char_arg (gfc_se* se, gfc_expr* expr,
    7612              :                                      unsigned primary, unsigned optional)
    7613              : {
    7614         5843 :   gfc_actual_arglist* prim_arg;
    7615         5843 :   gfc_actual_arglist* opt_arg;
    7616         5843 :   unsigned cur_pos;
    7617         5843 :   gfc_actual_arglist* arg;
    7618         5843 :   gfc_symbol* sym;
    7619         5843 :   vec<tree, va_gc> *append_args;
    7620              : 
    7621              :   /* Find the two arguments given as position.  */
    7622         5843 :   cur_pos = 0;
    7623         5843 :   prim_arg = NULL;
    7624         5843 :   opt_arg = NULL;
    7625        17529 :   for (arg = expr->value.function.actual; arg; arg = arg->next)
    7626              :     {
    7627        17529 :       ++cur_pos;
    7628              : 
    7629        17529 :       if (cur_pos == primary)
    7630         5843 :         prim_arg = arg;
    7631        17529 :       if (cur_pos == optional)
    7632         5843 :         opt_arg = arg;
    7633              : 
    7634        17529 :       if (cur_pos >= primary && cur_pos >= optional)
    7635              :         break;
    7636              :     }
    7637         5843 :   gcc_assert (prim_arg);
    7638         5843 :   gcc_assert (prim_arg->expr);
    7639         5843 :   gcc_assert (opt_arg);
    7640              : 
    7641              :   /* If we do have type CHARACTER and the optional argument is really absent,
    7642              :      append a dummy 0 as string length.  */
    7643         5843 :   append_args = NULL;
    7644         5843 :   if (prim_arg->expr->ts.type == BT_CHARACTER && !opt_arg->expr)
    7645              :     {
    7646          608 :       tree dummy;
    7647              : 
    7648          608 :       dummy = build_int_cst (gfc_charlen_type_node, 0);
    7649          608 :       vec_alloc (append_args, 1);
    7650          608 :       append_args->quick_push (dummy);
    7651              :     }
    7652              : 
    7653              :   /* Build the call itself.  */
    7654         5843 :   gcc_assert (!se->ignore_optional);
    7655         5843 :   sym = gfc_get_symbol_for_expr (expr, false);
    7656         5843 :   gfc_conv_procedure_call (se, sym, expr->value.function.actual, expr,
    7657              :                           append_args);
    7658         5843 :   gfc_free_symbol (sym);
    7659         5843 : }
    7660              : 
    7661              : /* The length of a character string.  */
    7662              : static void
    7663         5873 : gfc_conv_intrinsic_len (gfc_se * se, gfc_expr * expr)
    7664              : {
    7665         5873 :   tree len;
    7666         5873 :   tree type;
    7667         5873 :   tree decl;
    7668         5873 :   gfc_symbol *sym;
    7669         5873 :   gfc_se argse;
    7670         5873 :   gfc_expr *arg;
    7671              : 
    7672         5873 :   gcc_assert (!se->ss);
    7673              : 
    7674         5873 :   arg = expr->value.function.actual->expr;
    7675              : 
    7676         5873 :   type = gfc_typenode_for_spec (&expr->ts);
    7677         5873 :   switch (arg->expr_type)
    7678              :     {
    7679            0 :     case EXPR_CONSTANT:
    7680            0 :       len = build_int_cst (gfc_charlen_type_node, arg->value.character.length);
    7681            0 :       break;
    7682              : 
    7683            2 :     case EXPR_ARRAY:
    7684              :       /* If there is an explicit type-spec, use it.  */
    7685            2 :       if (arg->ts.u.cl->length && arg->ts.u.cl->length_from_typespec)
    7686              :         {
    7687            0 :           gfc_conv_string_length (arg->ts.u.cl, arg, &se->pre);
    7688            0 :           len = arg->ts.u.cl->backend_decl;
    7689            0 :           break;
    7690              :         }
    7691              : 
    7692              :       /* Obtain the string length from the function used by
    7693              :          trans-array.cc(gfc_trans_array_constructor).  */
    7694            2 :       len = NULL_TREE;
    7695            2 :       get_array_ctor_strlen (&se->pre, arg->value.constructor, &len);
    7696            2 :       break;
    7697              : 
    7698         5286 :     case EXPR_VARIABLE:
    7699         5286 :       if (arg->ref == NULL
    7700         2397 :             || (arg->ref->next == NULL && arg->ref->type == REF_ARRAY))
    7701              :         {
    7702              :           /* This doesn't catch all cases.
    7703              :              See http://gcc.gnu.org/ml/fortran/2004-06/msg00165.html
    7704              :              and the surrounding thread.  */
    7705         4754 :           sym = arg->symtree->n.sym;
    7706         4754 :           decl = gfc_get_symbol_decl (sym);
    7707         4754 :           if (decl == current_function_decl && sym->attr.function
    7708           55 :                 && (sym->result == sym))
    7709           55 :             decl = gfc_get_fake_result_decl (sym, 0);
    7710              : 
    7711         4754 :           len = sym->ts.u.cl->backend_decl;
    7712         4754 :           gcc_assert (len);
    7713              :           break;
    7714              :         }
    7715              : 
    7716              :       /* Fall through.  */
    7717              : 
    7718         1117 :     default:
    7719         1117 :       gfc_init_se (&argse, se);
    7720         1117 :       if (arg->rank == 0)
    7721          995 :         gfc_conv_expr (&argse, arg);
    7722              :       else
    7723          122 :         gfc_conv_expr_descriptor (&argse, arg);
    7724         1117 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    7725         1117 :       gfc_add_block_to_block (&se->post, &argse.post);
    7726         1117 :       len = argse.string_length;
    7727         1117 :       break;
    7728              :     }
    7729         5873 :   se->expr = convert (type, len);
    7730         5873 : }
    7731              : 
    7732              : /* The length of a character string not including trailing blanks.  */
    7733              : static void
    7734         2340 : gfc_conv_intrinsic_len_trim (gfc_se * se, gfc_expr * expr)
    7735              : {
    7736         2340 :   int kind = expr->value.function.actual->expr->ts.kind;
    7737         2340 :   tree args[2], type, fndecl;
    7738              : 
    7739         2340 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    7740         2340 :   type = gfc_typenode_for_spec (&expr->ts);
    7741              : 
    7742         2340 :   if (kind == 1)
    7743         1938 :     fndecl = gfor_fndecl_string_len_trim;
    7744          402 :   else if (kind == 4)
    7745          402 :     fndecl = gfor_fndecl_string_len_trim_char4;
    7746              :   else
    7747            0 :     gcc_unreachable ();
    7748              : 
    7749         2340 :   se->expr = build_call_expr_loc (input_location,
    7750              :                               fndecl, 2, args[0], args[1]);
    7751         2340 :   se->expr = convert (type, se->expr);
    7752         2340 : }
    7753              : 
    7754              : 
    7755              : /* Returns the starting position of a substring within a string.  */
    7756              : 
    7757              : static void
    7758          751 : gfc_conv_intrinsic_index_scan_verify (gfc_se * se, gfc_expr * expr,
    7759              :                                       tree function)
    7760              : {
    7761          751 :   tree logical4_type_node = gfc_get_logical_type (4);
    7762          751 :   tree type;
    7763          751 :   tree fndecl;
    7764          751 :   tree *args;
    7765          751 :   unsigned int num_args;
    7766              : 
    7767          751 :   args = XALLOCAVEC (tree, 5);
    7768              : 
    7769              :   /* Get number of arguments; characters count double due to the
    7770              :      string length argument. Kind= is not passed to the library
    7771              :      and thus ignored.  */
    7772          751 :   if (expr->value.function.actual->next->next->expr == NULL)
    7773              :     num_args = 4;
    7774              :   else
    7775          304 :     num_args = 5;
    7776              : 
    7777          751 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
    7778          751 :   type = gfc_typenode_for_spec (&expr->ts);
    7779              : 
    7780          751 :   if (num_args == 4)
    7781          447 :     args[4] = build_int_cst (logical4_type_node, 0);
    7782              :   else
    7783          304 :     args[4] = convert (logical4_type_node, args[4]);
    7784              : 
    7785          751 :   fndecl = build_addr (function);
    7786          751 :   se->expr = build_call_array_loc (input_location,
    7787          751 :                                TREE_TYPE (TREE_TYPE (function)), fndecl,
    7788              :                                5, args);
    7789          751 :   se->expr = convert (type, se->expr);
    7790              : 
    7791          751 : }
    7792              : 
    7793              : /* The ascii value for a single character.  */
    7794              : static void
    7795         2033 : gfc_conv_intrinsic_ichar (gfc_se * se, gfc_expr * expr)
    7796              : {
    7797         2033 :   tree args[3], type, pchartype;
    7798         2033 :   int nargs;
    7799              : 
    7800         2033 :   nargs = gfc_intrinsic_argument_list_length (expr);
    7801         2033 :   gfc_conv_intrinsic_function_args (se, expr, args, nargs);
    7802         2033 :   gcc_assert (POINTER_TYPE_P (TREE_TYPE (args[1])));
    7803         2033 :   pchartype = gfc_get_pchar_type (expr->value.function.actual->expr->ts.kind);
    7804         2033 :   args[1] = fold_build1_loc (input_location, NOP_EXPR, pchartype, args[1]);
    7805         2033 :   type = gfc_typenode_for_spec (&expr->ts);
    7806              : 
    7807         2033 :   se->expr = build_fold_indirect_ref_loc (input_location,
    7808              :                                       args[1]);
    7809         2033 :   se->expr = convert (type, se->expr);
    7810         2033 : }
    7811              : 
    7812              : 
    7813              : /* Intrinsic ISNAN calls __builtin_isnan.  */
    7814              : 
    7815              : static void
    7816          432 : gfc_conv_intrinsic_isnan (gfc_se * se, gfc_expr * expr)
    7817              : {
    7818          432 :   tree arg;
    7819              : 
    7820          432 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    7821          432 :   se->expr = build_call_expr_loc (input_location,
    7822              :                                   builtin_decl_explicit (BUILT_IN_ISNAN),
    7823              :                                   1, arg);
    7824          864 :   STRIP_TYPE_NOPS (se->expr);
    7825          432 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), se->expr);
    7826          432 : }
    7827              : 
    7828              : 
    7829              : /* Intrinsics IS_IOSTAT_END and IS_IOSTAT_EOR just need to compare
    7830              :    their argument against a constant integer value.  */
    7831              : 
    7832              : static void
    7833           24 : gfc_conv_has_intvalue (gfc_se * se, gfc_expr * expr, const int value)
    7834              : {
    7835           24 :   tree arg;
    7836              : 
    7837           24 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    7838           24 :   se->expr = fold_build2_loc (input_location, EQ_EXPR,
    7839              :                               gfc_typenode_for_spec (&expr->ts),
    7840           24 :                               arg, build_int_cst (TREE_TYPE (arg), value));
    7841           24 : }
    7842              : 
    7843              : 
    7844              : 
    7845              : /* MERGE (tsource, fsource, mask) = mask ? tsource : fsource.  */
    7846              : 
    7847              : static void
    7848          949 : gfc_conv_intrinsic_merge (gfc_se * se, gfc_expr * expr)
    7849              : {
    7850          949 :   tree tsource;
    7851          949 :   tree fsource;
    7852          949 :   tree mask;
    7853          949 :   tree type;
    7854          949 :   tree len, len2;
    7855          949 :   tree *args;
    7856          949 :   unsigned int num_args;
    7857              : 
    7858          949 :   num_args = gfc_intrinsic_argument_list_length (expr);
    7859          949 :   args = XALLOCAVEC (tree, num_args);
    7860              : 
    7861          949 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
    7862          949 :   if (expr->ts.type != BT_CHARACTER)
    7863              :     {
    7864          422 :       tsource = args[0];
    7865          422 :       fsource = args[1];
    7866          422 :       mask = args[2];
    7867              :     }
    7868              :   else
    7869              :     {
    7870              :       /* We do the same as in the non-character case, but the argument
    7871              :          list is different because of the string length arguments. We
    7872              :          also have to set the string length for the result.  */
    7873          527 :       len = args[0];
    7874          527 :       tsource = args[1];
    7875          527 :       len2 = args[2];
    7876          527 :       fsource = args[3];
    7877          527 :       mask = args[4];
    7878              : 
    7879          527 :       gfc_trans_same_strlen_check ("MERGE intrinsic", &expr->where, len, len2,
    7880              :                                    &se->pre);
    7881          527 :       se->string_length = len;
    7882              :     }
    7883          949 :   tsource = gfc_evaluate_now (tsource, &se->pre);
    7884          949 :   fsource = gfc_evaluate_now (fsource, &se->pre);
    7885          949 :   mask = gfc_evaluate_now (mask, &se->pre);
    7886          949 :   type = TREE_TYPE (tsource);
    7887          949 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, mask, tsource,
    7888              :                               fold_convert (type, fsource));
    7889          949 : }
    7890              : 
    7891              : 
    7892              : /* MERGE_BITS (I, J, MASK) = (I & MASK) | (I & (~MASK)).  */
    7893              : 
    7894              : static void
    7895           42 : gfc_conv_intrinsic_merge_bits (gfc_se * se, gfc_expr * expr)
    7896              : {
    7897           42 :   tree args[3], mask, type;
    7898              : 
    7899           42 :   gfc_conv_intrinsic_function_args (se, expr, args, 3);
    7900           42 :   mask = gfc_evaluate_now (args[2], &se->pre);
    7901              : 
    7902           42 :   type = TREE_TYPE (args[0]);
    7903           42 :   gcc_assert (TREE_TYPE (args[1]) == type);
    7904           42 :   gcc_assert (TREE_TYPE (mask) == type);
    7905              : 
    7906           42 :   args[0] = fold_build2_loc (input_location, BIT_AND_EXPR, type, args[0], mask);
    7907           42 :   args[1] = fold_build2_loc (input_location, BIT_AND_EXPR, type, args[1],
    7908              :                              fold_build1_loc (input_location, BIT_NOT_EXPR,
    7909              :                                               type, mask));
    7910           42 :   se->expr = fold_build2_loc (input_location, BIT_IOR_EXPR, type,
    7911              :                               args[0], args[1]);
    7912           42 : }
    7913              : 
    7914              : 
    7915              : /* MASKL(n)  =  n == 0 ? 0 : (~0) << (BIT_SIZE - n)
    7916              :    MASKR(n)  =  n == BIT_SIZE ? ~0 : ~((~0) << n)  */
    7917              : 
    7918              : static void
    7919           64 : gfc_conv_intrinsic_mask (gfc_se * se, gfc_expr * expr, int left)
    7920              : {
    7921           64 :   tree arg, allones, type, utype, res, cond, bitsize;
    7922           64 :   int i;
    7923              : 
    7924           64 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    7925           64 :   arg = gfc_evaluate_now (arg, &se->pre);
    7926              : 
    7927           64 :   type = gfc_get_int_type (expr->ts.kind);
    7928           64 :   utype = unsigned_type_for (type);
    7929              : 
    7930           64 :   i = gfc_validate_kind (BT_INTEGER, expr->ts.kind, false);
    7931           64 :   bitsize = build_int_cst (TREE_TYPE (arg), gfc_integer_kinds[i].bit_size);
    7932              : 
    7933           64 :   allones = fold_build1_loc (input_location, BIT_NOT_EXPR, utype,
    7934              :                              build_int_cst (utype, 0));
    7935              : 
    7936           64 :   if (left)
    7937              :     {
    7938              :       /* Left-justified mask.  */
    7939           32 :       res = fold_build2_loc (input_location, MINUS_EXPR, TREE_TYPE (arg),
    7940              :                              bitsize, arg);
    7941           32 :       res = fold_build2_loc (input_location, LSHIFT_EXPR, utype, allones,
    7942              :                              fold_convert (utype, res));
    7943              : 
    7944              :       /* Special case arg == 0, because SHIFT_EXPR wants a shift strictly
    7945              :          smaller than type width.  */
    7946           32 :       cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, arg,
    7947           32 :                               build_int_cst (TREE_TYPE (arg), 0));
    7948           32 :       res = fold_build3_loc (input_location, COND_EXPR, utype, cond,
    7949              :                              build_int_cst (utype, 0), res);
    7950              :     }
    7951              :   else
    7952              :     {
    7953              :       /* Right-justified mask.  */
    7954           32 :       res = fold_build2_loc (input_location, LSHIFT_EXPR, utype, allones,
    7955              :                              fold_convert (utype, arg));
    7956           32 :       res = fold_build1_loc (input_location, BIT_NOT_EXPR, utype, res);
    7957              : 
    7958              :       /* Special case agr == bit_size, because SHIFT_EXPR wants a shift
    7959              :          strictly smaller than type width.  */
    7960           32 :       cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    7961              :                               arg, bitsize);
    7962           32 :       res = fold_build3_loc (input_location, COND_EXPR, utype,
    7963              :                              cond, allones, res);
    7964              :     }
    7965              : 
    7966           64 :   se->expr = fold_convert (type, res);
    7967           64 : }
    7968              : 
    7969              : 
    7970              : /* FRACTION (s) is translated into:
    7971              :      isfinite (s) ? frexp (s, &dummy_int) : NaN  */
    7972              : static void
    7973           60 : gfc_conv_intrinsic_fraction (gfc_se * se, gfc_expr * expr)
    7974              : {
    7975           60 :   tree arg, type, tmp, res, frexp, cond;
    7976              : 
    7977           60 :   frexp = gfc_builtin_decl_for_float_kind (BUILT_IN_FREXP, expr->ts.kind);
    7978              : 
    7979           60 :   type = gfc_typenode_for_spec (&expr->ts);
    7980           60 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    7981           60 :   arg = gfc_evaluate_now (arg, &se->pre);
    7982              : 
    7983           60 :   cond = build_call_expr_loc (input_location,
    7984              :                               builtin_decl_explicit (BUILT_IN_ISFINITE),
    7985              :                               1, arg);
    7986              : 
    7987           60 :   tmp = gfc_create_var (integer_type_node, NULL);
    7988           60 :   res = build_call_expr_loc (input_location, frexp, 2,
    7989              :                              fold_convert (type, arg),
    7990              :                              gfc_build_addr_expr (NULL_TREE, tmp));
    7991           60 :   res = fold_convert (type, res);
    7992              : 
    7993           60 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type,
    7994              :                               cond, res, gfc_build_nan (type, ""));
    7995           60 : }
    7996              : 
    7997              : 
    7998              : /* NEAREST (s, dir) is translated into
    7999              :      tmp = copysign (HUGE_VAL, dir);
    8000              :      return nextafter (s, tmp);
    8001              :  */
    8002              : static void
    8003         1595 : gfc_conv_intrinsic_nearest (gfc_se * se, gfc_expr * expr)
    8004              : {
    8005         1595 :   tree args[2], type, tmp, nextafter, copysign, huge_val;
    8006              : 
    8007         1595 :   nextafter = gfc_builtin_decl_for_float_kind (BUILT_IN_NEXTAFTER, expr->ts.kind);
    8008         1595 :   copysign = gfc_builtin_decl_for_float_kind (BUILT_IN_COPYSIGN, expr->ts.kind);
    8009              : 
    8010         1595 :   type = gfc_typenode_for_spec (&expr->ts);
    8011         1595 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    8012              : 
    8013         1595 :   huge_val = gfc_build_inf_or_huge (type, expr->ts.kind);
    8014         1595 :   tmp = build_call_expr_loc (input_location, copysign, 2, huge_val,
    8015              :                              fold_convert (type, args[1]));
    8016         1595 :   se->expr = build_call_expr_loc (input_location, nextafter, 2,
    8017              :                                   fold_convert (type, args[0]), tmp);
    8018         1595 :   se->expr = fold_convert (type, se->expr);
    8019         1595 : }
    8020              : 
    8021              : 
    8022              : /* SPACING (s) is translated into
    8023              :     int e;
    8024              :     if (!isfinite (s))
    8025              :       res = NaN;
    8026              :     else if (s == 0)
    8027              :       res = tiny;
    8028              :     else
    8029              :     {
    8030              :       frexp (s, &e);
    8031              :       e = e - prec;
    8032              :       e = MAX_EXPR (e, emin);
    8033              :       res = scalbn (1., e);
    8034              :     }
    8035              :     return res;
    8036              : 
    8037              :  where prec is the precision of s, gfc_real_kinds[k].digits,
    8038              :        emin is min_exponent - 1, gfc_real_kinds[k].min_exponent - 1,
    8039              :    and tiny is tiny(s), gfc_real_kinds[k].tiny.  */
    8040              : 
    8041              : static void
    8042           70 : gfc_conv_intrinsic_spacing (gfc_se * se, gfc_expr * expr)
    8043              : {
    8044           70 :   tree arg, type, prec, emin, tiny, res, e;
    8045           70 :   tree cond, nan, tmp, frexp, scalbn;
    8046           70 :   int k;
    8047           70 :   stmtblock_t block;
    8048              : 
    8049           70 :   k = gfc_validate_kind (BT_REAL, expr->ts.kind, false);
    8050           70 :   prec = build_int_cst (integer_type_node, gfc_real_kinds[k].digits);
    8051           70 :   emin = build_int_cst (integer_type_node, gfc_real_kinds[k].min_exponent - 1);
    8052           70 :   tiny = gfc_conv_mpfr_to_tree (gfc_real_kinds[k].tiny, expr->ts.kind, 0);
    8053              : 
    8054           70 :   frexp = gfc_builtin_decl_for_float_kind (BUILT_IN_FREXP, expr->ts.kind);
    8055           70 :   scalbn = gfc_builtin_decl_for_float_kind (BUILT_IN_SCALBN, expr->ts.kind);
    8056              : 
    8057           70 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    8058           70 :   arg = gfc_evaluate_now (arg, &se->pre);
    8059              : 
    8060           70 :   type = gfc_typenode_for_spec (&expr->ts);
    8061           70 :   e = gfc_create_var (integer_type_node, NULL);
    8062           70 :   res = gfc_create_var (type, NULL);
    8063              : 
    8064              : 
    8065              :   /* Build the block for s /= 0.  */
    8066           70 :   gfc_start_block (&block);
    8067           70 :   tmp = build_call_expr_loc (input_location, frexp, 2, arg,
    8068              :                              gfc_build_addr_expr (NULL_TREE, e));
    8069           70 :   gfc_add_expr_to_block (&block, tmp);
    8070              : 
    8071           70 :   tmp = fold_build2_loc (input_location, MINUS_EXPR, integer_type_node, e,
    8072              :                          prec);
    8073           70 :   gfc_add_modify (&block, e, fold_build2_loc (input_location, MAX_EXPR,
    8074              :                                               integer_type_node, tmp, emin));
    8075              : 
    8076           70 :   tmp = build_call_expr_loc (input_location, scalbn, 2,
    8077           70 :                          build_real_from_int_cst (type, integer_one_node), e);
    8078           70 :   gfc_add_modify (&block, res, tmp);
    8079              : 
    8080              :   /* Finish by building the IF statement for value zero.  */
    8081           70 :   cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, arg,
    8082           70 :                           build_real_from_int_cst (type, integer_zero_node));
    8083           70 :   tmp = build3_v (COND_EXPR, cond, build2_v (MODIFY_EXPR, res, tiny),
    8084              :                   gfc_finish_block (&block));
    8085              : 
    8086              :   /* And deal with infinities and NaNs.  */
    8087           70 :   cond = build_call_expr_loc (input_location,
    8088              :                               builtin_decl_explicit (BUILT_IN_ISFINITE),
    8089              :                               1, arg);
    8090           70 :   nan = gfc_build_nan (type, "");
    8091           70 :   tmp = build3_v (COND_EXPR, cond, tmp, build2_v (MODIFY_EXPR, res, nan));
    8092              : 
    8093           70 :   gfc_add_expr_to_block (&se->pre, tmp);
    8094           70 :   se->expr = res;
    8095           70 : }
    8096              : 
    8097              : 
    8098              : /* RRSPACING (s) is translated into
    8099              :       int e;
    8100              :       real x;
    8101              :       x = fabs (s);
    8102              :       if (isfinite (x))
    8103              :       {
    8104              :         if (x != 0)
    8105              :         {
    8106              :           frexp (s, &e);
    8107              :           x = scalbn (x, precision - e);
    8108              :         }
    8109              :       }
    8110              :       else
    8111              :         x = NaN;
    8112              :       return x;
    8113              : 
    8114              :  where precision is gfc_real_kinds[k].digits.  */
    8115              : 
    8116              : static void
    8117           48 : gfc_conv_intrinsic_rrspacing (gfc_se * se, gfc_expr * expr)
    8118              : {
    8119           48 :   tree arg, type, e, x, cond, nan, stmt, tmp, frexp, scalbn, fabs;
    8120           48 :   int prec, k;
    8121           48 :   stmtblock_t block;
    8122              : 
    8123           48 :   k = gfc_validate_kind (BT_REAL, expr->ts.kind, false);
    8124           48 :   prec = gfc_real_kinds[k].digits;
    8125              : 
    8126           48 :   frexp = gfc_builtin_decl_for_float_kind (BUILT_IN_FREXP, expr->ts.kind);
    8127           48 :   scalbn = gfc_builtin_decl_for_float_kind (BUILT_IN_SCALBN, expr->ts.kind);
    8128           48 :   fabs = gfc_builtin_decl_for_float_kind (BUILT_IN_FABS, expr->ts.kind);
    8129              : 
    8130           48 :   type = gfc_typenode_for_spec (&expr->ts);
    8131           48 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    8132           48 :   arg = gfc_evaluate_now (arg, &se->pre);
    8133              : 
    8134           48 :   e = gfc_create_var (integer_type_node, NULL);
    8135           48 :   x = gfc_create_var (type, NULL);
    8136           48 :   gfc_add_modify (&se->pre, x,
    8137              :                   build_call_expr_loc (input_location, fabs, 1, arg));
    8138              : 
    8139              : 
    8140           48 :   gfc_start_block (&block);
    8141           48 :   tmp = build_call_expr_loc (input_location, frexp, 2, arg,
    8142              :                              gfc_build_addr_expr (NULL_TREE, e));
    8143           48 :   gfc_add_expr_to_block (&block, tmp);
    8144              : 
    8145           48 :   tmp = fold_build2_loc (input_location, MINUS_EXPR, integer_type_node,
    8146           48 :                          build_int_cst (integer_type_node, prec), e);
    8147           48 :   tmp = build_call_expr_loc (input_location, scalbn, 2, x, tmp);
    8148           48 :   gfc_add_modify (&block, x, tmp);
    8149           48 :   stmt = gfc_finish_block (&block);
    8150              : 
    8151              :   /* if (x != 0) */
    8152           48 :   cond = fold_build2_loc (input_location, NE_EXPR, logical_type_node, x,
    8153           48 :                           build_real_from_int_cst (type, integer_zero_node));
    8154           48 :   tmp = build3_v (COND_EXPR, cond, stmt, build_empty_stmt (input_location));
    8155              : 
    8156              :   /* And deal with infinities and NaNs.  */
    8157           48 :   cond = build_call_expr_loc (input_location,
    8158              :                               builtin_decl_explicit (BUILT_IN_ISFINITE),
    8159              :                               1, x);
    8160           48 :   nan = gfc_build_nan (type, "");
    8161           48 :   tmp = build3_v (COND_EXPR, cond, tmp, build2_v (MODIFY_EXPR, x, nan));
    8162              : 
    8163           48 :   gfc_add_expr_to_block (&se->pre, tmp);
    8164           48 :   se->expr = fold_convert (type, x);
    8165           48 : }
    8166              : 
    8167              : 
    8168              : /* SCALE (s, i) is translated into scalbn (s, i).  */
    8169              : static void
    8170           72 : gfc_conv_intrinsic_scale (gfc_se * se, gfc_expr * expr)
    8171              : {
    8172           72 :   tree args[2], type, scalbn;
    8173              : 
    8174           72 :   scalbn = gfc_builtin_decl_for_float_kind (BUILT_IN_SCALBN, expr->ts.kind);
    8175              : 
    8176           72 :   type = gfc_typenode_for_spec (&expr->ts);
    8177           72 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    8178           72 :   se->expr = build_call_expr_loc (input_location, scalbn, 2,
    8179              :                                   fold_convert (type, args[0]),
    8180              :                                   fold_convert (integer_type_node, args[1]));
    8181           72 :   se->expr = fold_convert (type, se->expr);
    8182           72 : }
    8183              : 
    8184              : 
    8185              : /* SET_EXPONENT (s, i) is translated into
    8186              :    isfinite(s) ? scalbn (frexp (s, &dummy_int), i) : NaN  */
    8187              : static void
    8188          262 : gfc_conv_intrinsic_set_exponent (gfc_se * se, gfc_expr * expr)
    8189              : {
    8190          262 :   tree args[2], type, tmp, frexp, scalbn, cond, nan, res;
    8191              : 
    8192          262 :   frexp = gfc_builtin_decl_for_float_kind (BUILT_IN_FREXP, expr->ts.kind);
    8193          262 :   scalbn = gfc_builtin_decl_for_float_kind (BUILT_IN_SCALBN, expr->ts.kind);
    8194              : 
    8195          262 :   type = gfc_typenode_for_spec (&expr->ts);
    8196          262 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    8197          262 :   args[0] = gfc_evaluate_now (args[0], &se->pre);
    8198              : 
    8199          262 :   tmp = gfc_create_var (integer_type_node, NULL);
    8200          262 :   tmp = build_call_expr_loc (input_location, frexp, 2,
    8201              :                              fold_convert (type, args[0]),
    8202              :                              gfc_build_addr_expr (NULL_TREE, tmp));
    8203          262 :   res = build_call_expr_loc (input_location, scalbn, 2, tmp,
    8204              :                              fold_convert (integer_type_node, args[1]));
    8205          262 :   res = fold_convert (type, res);
    8206              : 
    8207              :   /* Call to isfinite */
    8208          262 :   cond = build_call_expr_loc (input_location,
    8209              :                               builtin_decl_explicit (BUILT_IN_ISFINITE),
    8210              :                               1, args[0]);
    8211          262 :   nan = gfc_build_nan (type, "");
    8212              : 
    8213          262 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, cond,
    8214              :                               res, nan);
    8215          262 : }
    8216              : 
    8217              : 
    8218              : static void
    8219        15409 : gfc_conv_intrinsic_size (gfc_se * se, gfc_expr * expr)
    8220              : {
    8221        15409 :   gfc_actual_arglist *actual;
    8222        15409 :   tree arg1;
    8223        15409 :   tree type;
    8224        15409 :   tree size;
    8225        15409 :   gfc_se argse;
    8226        15409 :   gfc_expr *e;
    8227        15409 :   gfc_symbol *sym = NULL;
    8228              : 
    8229        15409 :   gfc_init_se (&argse, NULL);
    8230        15409 :   actual = expr->value.function.actual;
    8231              : 
    8232        15409 :   if (actual->expr->ts.type == BT_CLASS)
    8233          627 :     gfc_add_class_array_ref (actual->expr);
    8234              : 
    8235        15409 :   e = actual->expr;
    8236              : 
    8237              :   /* These are emerging from the interface mapping, when a class valued
    8238              :      function appears as the rhs in a realloc on assign statement, where
    8239              :      the size of the result is that of one of the actual arguments.  */
    8240        15409 :   if (e->expr_type == EXPR_VARIABLE
    8241        14933 :       && e->symtree->n.sym->ns == NULL /* This is distinctive!  */
    8242          573 :       && e->symtree->n.sym->ts.type == BT_CLASS
    8243           62 :       && e->ref && e->ref->type == REF_COMPONENT
    8244           44 :       && strcmp (e->ref->u.c.component->name, "_data") == 0)
    8245        15409 :     sym = e->symtree->n.sym;
    8246              : 
    8247        15409 :   if ((gfc_option.rtcheck & GFC_RTCHECK_POINTER)
    8248              :       && e
    8249          854 :       && (e->expr_type == EXPR_VARIABLE || e->expr_type == EXPR_FUNCTION))
    8250              :     {
    8251          854 :       symbol_attribute attr;
    8252          854 :       char *msg;
    8253          854 :       tree temp;
    8254          854 :       tree cond;
    8255              : 
    8256          854 :       if (e->symtree->n.sym && IS_CLASS_ARRAY (e->symtree->n.sym))
    8257              :         {
    8258           33 :           attr = CLASS_DATA (e->symtree->n.sym)->attr;
    8259           33 :           attr.pointer = attr.class_pointer;
    8260              :         }
    8261              :       else
    8262          821 :         attr = gfc_expr_attr (e);
    8263              : 
    8264          854 :       if (attr.allocatable)
    8265          100 :         msg = xasprintf ("Allocatable argument '%s' is not allocated",
    8266          100 :                          e->symtree->n.sym->name);
    8267          754 :       else if (attr.pointer)
    8268           46 :         msg = xasprintf ("Pointer argument '%s' is not associated",
    8269           46 :                          e->symtree->n.sym->name);
    8270              :       else
    8271          708 :         goto end_arg_check;
    8272              : 
    8273          146 :       if (sym)
    8274              :         {
    8275            0 :           temp = gfc_class_data_get (sym->backend_decl);
    8276            0 :           temp = gfc_conv_descriptor_data_get (temp);
    8277              :         }
    8278              :       else
    8279              :         {
    8280          146 :           argse.descriptor_only = 1;
    8281          146 :           gfc_conv_expr_descriptor (&argse, actual->expr);
    8282          146 :           temp = gfc_conv_descriptor_data_get (argse.expr);
    8283              :         }
    8284              : 
    8285          146 :       cond = fold_build2_loc (input_location, EQ_EXPR,
    8286              :                               logical_type_node, temp,
    8287          146 :                               fold_convert (TREE_TYPE (temp),
    8288              :                                             null_pointer_node));
    8289          146 :       gfc_trans_runtime_check (true, false, cond, &argse.pre, &e->where, msg);
    8290              : 
    8291          146 :       free (msg);
    8292              :     }
    8293        14555 :  end_arg_check:
    8294              : 
    8295        15409 :   argse.data_not_needed = 1;
    8296        15409 :   if (gfc_is_class_array_function (e))
    8297              :     {
    8298              :       /* For functions that return a class array conv_expr_descriptor is not
    8299              :          able to get the descriptor right.  Therefore this special case.  */
    8300            7 :       gfc_conv_expr_reference (&argse, e);
    8301            7 :       argse.expr = gfc_class_data_get (argse.expr);
    8302              :     }
    8303        15402 :   else if (sym && sym->backend_decl)
    8304              :     {
    8305           32 :       gcc_assert (GFC_CLASS_TYPE_P (TREE_TYPE (sym->backend_decl)));
    8306           32 :       argse.expr = gfc_class_data_get (sym->backend_decl);
    8307              :     }
    8308              :   else
    8309        15370 :     gfc_conv_expr_descriptor (&argse, actual->expr);
    8310        15409 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    8311        15409 :   gfc_add_block_to_block (&se->post, &argse.post);
    8312        15409 :   arg1 = argse.expr;
    8313              : 
    8314        15409 :   actual = actual->next;
    8315        15409 :   if (actual->expr)
    8316              :     {
    8317         9205 :       stmtblock_t block;
    8318         9205 :       gfc_init_block (&block);
    8319         9205 :       gfc_init_se (&argse, NULL);
    8320         9205 :       gfc_conv_expr_type (&argse, actual->expr,
    8321              :                           gfc_array_index_type);
    8322         9205 :       gfc_add_block_to_block (&block, &argse.pre);
    8323         9205 :       tree tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
    8324              :                              argse.expr, gfc_index_one_node);
    8325         9205 :       size = gfc_tree_array_size (&block, arg1, e, tmp);
    8326              : 
    8327              :       /* Unusually, for an intrinsic, size does not exclude
    8328              :          an optional arg2, so we must test for it.  */
    8329         9205 :       if (actual->expr->expr_type == EXPR_VARIABLE
    8330         2499 :             && actual->expr->symtree->n.sym->attr.dummy
    8331           31 :             && actual->expr->symtree->n.sym->attr.optional)
    8332              :         {
    8333           31 :           tree cond;
    8334           31 :           stmtblock_t block2;
    8335           31 :           gfc_init_block (&block2);
    8336           31 :           gfc_init_se (&argse, NULL);
    8337           31 :           argse.want_pointer = 1;
    8338           31 :           argse.data_not_needed = 1;
    8339           31 :           gfc_conv_expr (&argse, actual->expr);
    8340           31 :           gfc_add_block_to_block (&se->pre, &argse.pre);
    8341              :           /* 'block2' contains the arg2 absent case, 'block' the arg2 present
    8342              :               case; size_var can be used in both blocks. */
    8343           31 :           tree size_var = gfc_create_var (TREE_TYPE (size), "size");
    8344           31 :           tmp = fold_build2_loc (input_location, MODIFY_EXPR,
    8345           31 :                                  TREE_TYPE (size_var), size_var, size);
    8346           31 :           gfc_add_expr_to_block (&block, tmp);
    8347           31 :           size = gfc_tree_array_size (&block2, arg1, e, NULL_TREE);
    8348           31 :           tmp = fold_build2_loc (input_location, MODIFY_EXPR,
    8349           31 :                                  TREE_TYPE (size_var), size_var, size);
    8350           31 :           gfc_add_expr_to_block (&block2, tmp);
    8351           31 :           cond = gfc_conv_expr_present (actual->expr->symtree->n.sym);
    8352           31 :           tmp = build3_v (COND_EXPR, cond, gfc_finish_block (&block),
    8353              :                           gfc_finish_block (&block2));
    8354           31 :           gfc_add_expr_to_block (&se->pre, tmp);
    8355           31 :           size = size_var;
    8356           31 :         }
    8357              :       else
    8358         9174 :         gfc_add_block_to_block (&se->pre, &block);
    8359              :     }
    8360              :   else
    8361         6204 :     size = gfc_tree_array_size (&se->pre, arg1, e, NULL_TREE);
    8362        15409 :   type = gfc_typenode_for_spec (&expr->ts);
    8363        15409 :   se->expr = convert (type, size);
    8364        15409 : }
    8365              : 
    8366              : 
    8367              : /* Helper function to compute the size of a character variable,
    8368              :    excluding the terminating null characters.  The result has
    8369              :    gfc_array_index_type type.  */
    8370              : 
    8371              : tree
    8372         1894 : size_of_string_in_bytes (int kind, tree string_length)
    8373              : {
    8374         1894 :   tree bytesize;
    8375         1894 :   int i = gfc_validate_kind (BT_CHARACTER, kind, false);
    8376              : 
    8377         3788 :   bytesize = build_int_cst (gfc_array_index_type,
    8378         1894 :                             gfc_character_kinds[i].bit_size / 8);
    8379              : 
    8380         1894 :   return fold_build2_loc (input_location, MULT_EXPR, gfc_array_index_type,
    8381              :                           bytesize,
    8382         1894 :                           fold_convert (gfc_array_index_type, string_length));
    8383              : }
    8384              : 
    8385              : 
    8386              : static void
    8387         1309 : gfc_conv_intrinsic_sizeof (gfc_se *se, gfc_expr *expr)
    8388              : {
    8389         1309 :   gfc_expr *arg;
    8390         1309 :   gfc_se argse;
    8391         1309 :   tree source_bytes;
    8392         1309 :   tree tmp;
    8393         1309 :   tree lower;
    8394         1309 :   tree upper;
    8395         1309 :   tree byte_size;
    8396         1309 :   tree field;
    8397         1309 :   int n;
    8398              : 
    8399         1309 :   gfc_init_se (&argse, NULL);
    8400         1309 :   arg = expr->value.function.actual->expr;
    8401              : 
    8402         1309 :   if (arg->rank || arg->ts.type == BT_ASSUMED)
    8403         1012 :     gfc_conv_expr_descriptor (&argse, arg);
    8404              :   else
    8405          297 :     gfc_conv_expr_reference (&argse, arg);
    8406              : 
    8407         1309 :   if (arg->ts.type == BT_ASSUMED)
    8408              :     {
    8409              :       /* This only works if an array descriptor has been passed; thus, extract
    8410              :          the size from the descriptor.  */
    8411          172 :       gcc_assert (TYPE_PRECISION (gfc_array_index_type)
    8412              :                   == TYPE_PRECISION (size_type_node));
    8413          172 :       tmp = arg->symtree->n.sym->backend_decl;
    8414          172 :       tmp = DECL_LANG_SPECIFIC (tmp)
    8415           60 :             && GFC_DECL_SAVED_DESCRIPTOR (tmp) != NULL_TREE
    8416          226 :             ? GFC_DECL_SAVED_DESCRIPTOR (tmp) : tmp;
    8417          172 :       if (POINTER_TYPE_P (TREE_TYPE (tmp)))
    8418          172 :         tmp = build_fold_indirect_ref_loc (input_location, tmp);
    8419              : 
    8420          172 :       tmp = gfc_conv_descriptor_dtype (tmp);
    8421          172 :       field = gfc_advance_chain (TYPE_FIELDS (get_dtype_type_node ()),
    8422              :                                  GFC_DTYPE_ELEM_LEN);
    8423          172 :       tmp = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (field),
    8424              :                              tmp, field, NULL_TREE);
    8425              : 
    8426          172 :       byte_size = fold_convert (gfc_array_index_type, tmp);
    8427              :     }
    8428         1137 :   else if (arg->ts.type == BT_CLASS)
    8429              :     {
    8430              :       /* Conv_expr_descriptor returns a component_ref to _data component of the
    8431              :          class object.  The class object may be a non-pointer object, e.g.
    8432              :          located on the stack, or a memory location pointed to, e.g. a
    8433              :          parameter, i.e., an indirect_ref.  */
    8434          959 :       if (POINTER_TYPE_P (TREE_TYPE (argse.expr))
    8435          589 :           && GFC_CLASS_TYPE_P (TREE_TYPE (TREE_TYPE (argse.expr))))
    8436          198 :         byte_size
    8437          198 :           = gfc_class_vtab_size_get (build_fold_indirect_ref (argse.expr));
    8438          391 :       else if (GFC_CLASS_TYPE_P (TREE_TYPE (argse.expr)))
    8439            0 :         byte_size = gfc_class_vtab_size_get (argse.expr);
    8440          391 :       else if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (argse.expr))
    8441          391 :                && TREE_CODE (argse.expr) == COMPONENT_REF)
    8442          328 :         byte_size = gfc_class_vtab_size_get (TREE_OPERAND (argse.expr, 0));
    8443           63 :       else if (arg->rank > 0
    8444           21 :                || (arg->rank == 0
    8445           21 :                    && arg->ref && arg->ref->type == REF_COMPONENT))
    8446              :         {
    8447              :           /* The scalarizer added an additional temp.  To get the class' vptr
    8448              :              one has to look at the original backend_decl.  */
    8449           63 :           if (argse.class_container)
    8450           21 :             byte_size = gfc_class_vtab_size_get (argse.class_container);
    8451           42 :           else if (DECL_LANG_SPECIFIC (arg->symtree->n.sym->backend_decl))
    8452           84 :             byte_size = gfc_class_vtab_size_get (
    8453           42 :               GFC_DECL_SAVED_DESCRIPTOR (arg->symtree->n.sym->backend_decl));
    8454              :           else
    8455            0 :             gcc_unreachable ();
    8456              :         }
    8457              :       else
    8458            0 :         gcc_unreachable ();
    8459              :     }
    8460              :   else
    8461              :     {
    8462          548 :       if (arg->ts.type == BT_CHARACTER)
    8463           84 :         byte_size = size_of_string_in_bytes (arg->ts.kind, argse.string_length);
    8464              :       else
    8465              :         {
    8466          464 :           if (arg->rank == 0)
    8467            0 :             byte_size = TREE_TYPE (build_fold_indirect_ref_loc (input_location,
    8468              :                                                                 argse.expr));
    8469              :           else
    8470          464 :             byte_size = gfc_get_element_type (TREE_TYPE (argse.expr));
    8471          464 :           byte_size = fold_convert (gfc_array_index_type,
    8472              :                                     size_in_bytes (byte_size));
    8473              :         }
    8474              :     }
    8475              : 
    8476         1309 :   if (arg->rank == 0)
    8477          297 :     se->expr = byte_size;
    8478              :   else
    8479              :     {
    8480         1012 :       source_bytes = gfc_create_var (gfc_array_index_type, "bytes");
    8481         1012 :       gfc_add_modify (&argse.pre, source_bytes, byte_size);
    8482              : 
    8483         1012 :       if (arg->rank == -1)
    8484              :         {
    8485          365 :           tree cond, loop_var, exit_label;
    8486          365 :           stmtblock_t body;
    8487              : 
    8488          365 :           tmp = gfc_conv_descriptor_rank (argse.expr);
    8489          365 :           loop_var = gfc_create_var (gfc_array_dim_rank_type, "i");
    8490          365 :           gfc_add_modify (&argse.pre, loop_var, gfc_rank_cst[0]);
    8491          365 :           exit_label = gfc_build_label_decl (NULL_TREE);
    8492              : 
    8493              :           /* Create loop:
    8494              :              for (;;)
    8495              :                 {
    8496              :                   if (i >= rank)
    8497              :                     goto exit;
    8498              :                   source_bytes = source_bytes * array.dim[i].extent;
    8499              :                   i = i + 1;
    8500              :                 }
    8501              :               exit:  */
    8502          365 :           gfc_start_block (&body);
    8503          365 :           cond = fold_build2_loc (input_location, GE_EXPR, logical_type_node,
    8504              :                                   loop_var, tmp);
    8505          365 :           tmp = build1_v (GOTO_EXPR, exit_label);
    8506          365 :           tmp = fold_build3_loc (input_location, COND_EXPR, void_type_node,
    8507              :                                  cond, tmp, build_empty_stmt (input_location));
    8508          365 :           gfc_add_expr_to_block (&body, tmp);
    8509              : 
    8510          365 :           lower = gfc_conv_descriptor_lbound_get (argse.expr, loop_var);
    8511          365 :           upper = gfc_conv_descriptor_ubound_get (argse.expr, loop_var);
    8512          365 :           tmp = gfc_conv_array_extent_dim (lower, upper, NULL);
    8513          365 :           tmp = fold_build2_loc (input_location, MULT_EXPR,
    8514              :                                  gfc_array_index_type, tmp, source_bytes);
    8515          365 :           gfc_add_modify (&body, source_bytes, tmp);
    8516              : 
    8517          365 :           tmp = fold_build2_loc (input_location, PLUS_EXPR,
    8518              :                                  gfc_array_dim_rank_type, loop_var,
    8519              :                                  gfc_rank_cst[1]);
    8520          365 :           gfc_add_modify_loc (input_location, &body, loop_var, tmp);
    8521              : 
    8522          365 :           tmp = gfc_finish_block (&body);
    8523              : 
    8524          365 :           tmp = fold_build1_loc (input_location, LOOP_EXPR, void_type_node,
    8525              :                                  tmp);
    8526          365 :           gfc_add_expr_to_block (&argse.pre, tmp);
    8527              : 
    8528          365 :           tmp = build1_v (LABEL_EXPR, exit_label);
    8529          365 :           gfc_add_expr_to_block (&argse.pre, tmp);
    8530              :         }
    8531              :       else
    8532              :         {
    8533              :           /* Obtain the size of the array in bytes.  */
    8534         1834 :           for (n = 0; n < arg->rank; n++)
    8535              :             {
    8536         1187 :               tree idx;
    8537         1187 :               idx = gfc_rank_cst[n];
    8538         1187 :               lower = gfc_conv_descriptor_lbound_get (argse.expr, idx);
    8539         1187 :               upper = gfc_conv_descriptor_ubound_get (argse.expr, idx);
    8540         1187 :               tmp = gfc_conv_array_extent_dim (lower, upper, NULL);
    8541         1187 :               tmp = fold_build2_loc (input_location, MULT_EXPR,
    8542              :                                      gfc_array_index_type, tmp, source_bytes);
    8543         1187 :               gfc_add_modify (&argse.pre, source_bytes, tmp);
    8544              :             }
    8545              :         }
    8546         1012 :       se->expr = source_bytes;
    8547              :     }
    8548              : 
    8549         1309 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    8550         1309 : }
    8551              : 
    8552              : 
    8553              : static void
    8554          859 : gfc_conv_intrinsic_storage_size (gfc_se *se, gfc_expr *expr)
    8555              : {
    8556          859 :   gfc_expr *arg;
    8557          859 :   gfc_se argse;
    8558          859 :   tree type, result_type, tmp, class_decl = NULL;
    8559          859 :   gfc_symbol *sym;
    8560          859 :   bool unlimited = false;
    8561              : 
    8562          859 :   arg = expr->value.function.actual->expr;
    8563              : 
    8564          859 :   gfc_init_se (&argse, NULL);
    8565          859 :   result_type = gfc_get_int_type (expr->ts.kind);
    8566              : 
    8567          859 :   if (arg->rank == 0)
    8568              :     {
    8569          230 :       if (arg->ts.type == BT_CLASS)
    8570              :         {
    8571           86 :           unlimited = UNLIMITED_POLY (arg);
    8572           86 :           gfc_add_vptr_component (arg);
    8573           86 :           gfc_add_size_component (arg);
    8574           86 :           gfc_conv_expr (&argse, arg);
    8575           86 :           tmp = fold_convert (result_type, argse.expr);
    8576           86 :           class_decl = gfc_get_class_from_expr (argse.expr);
    8577           86 :           goto done;
    8578              :         }
    8579              : 
    8580          144 :       gfc_conv_expr_reference (&argse, arg);
    8581          144 :       type = TREE_TYPE (build_fold_indirect_ref_loc (input_location,
    8582              :                                                      argse.expr));
    8583              :     }
    8584              :   else
    8585              :     {
    8586          629 :       argse.want_pointer = 0;
    8587          629 :       gfc_conv_expr_descriptor (&argse, arg);
    8588          629 :       sym = arg->expr_type == EXPR_VARIABLE ? arg->symtree->n.sym : NULL;
    8589          629 :       if (arg->ts.type == BT_CLASS)
    8590              :         {
    8591           60 :           unlimited = UNLIMITED_POLY (arg);
    8592           60 :           if (TREE_CODE (argse.expr) == COMPONENT_REF)
    8593           54 :             tmp = gfc_class_vtab_size_get (TREE_OPERAND (argse.expr, 0));
    8594            6 :           else if (arg->rank > 0 && sym
    8595           12 :                    && DECL_LANG_SPECIFIC (sym->backend_decl))
    8596           12 :             tmp = gfc_class_vtab_size_get (
    8597            6 :                  GFC_DECL_SAVED_DESCRIPTOR (sym->backend_decl));
    8598              :           else
    8599            0 :             gcc_unreachable ();
    8600           60 :           tmp = fold_convert (result_type, tmp);
    8601           60 :           class_decl = gfc_get_class_from_expr (argse.expr);
    8602           60 :           goto done;
    8603              :         }
    8604          569 :       type = gfc_get_element_type (TREE_TYPE (argse.expr));
    8605              :     }
    8606              : 
    8607              :   /* Obtain the argument's word length.  */
    8608          713 :   if (arg->ts.type == BT_CHARACTER)
    8609          241 :     tmp = size_of_string_in_bytes (arg->ts.kind, argse.string_length);
    8610              :   else
    8611          472 :     tmp = size_in_bytes (type);
    8612          713 :   tmp = fold_convert (result_type, tmp);
    8613              : 
    8614          859 : done:
    8615          859 :   if (unlimited && class_decl)
    8616           68 :     tmp = gfc_resize_class_size_with_len (NULL, class_decl, tmp);
    8617              : 
    8618          859 :   se->expr = fold_build2_loc (input_location, MULT_EXPR, result_type, tmp,
    8619              :                               build_int_cst (result_type, BITS_PER_UNIT));
    8620          859 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    8621          859 : }
    8622              : 
    8623              : 
    8624              : /* Intrinsic string comparison functions.  */
    8625              : 
    8626              : static void
    8627           99 : gfc_conv_intrinsic_strcmp (gfc_se * se, gfc_expr * expr, enum tree_code op)
    8628              : {
    8629           99 :   tree args[4];
    8630              : 
    8631           99 :   gfc_conv_intrinsic_function_args (se, expr, args, 4);
    8632              : 
    8633           99 :   se->expr
    8634          198 :     = gfc_build_compare_string (args[0], args[1], args[2], args[3],
    8635           99 :                                 expr->value.function.actual->expr->ts.kind,
    8636              :                                 op);
    8637           99 :   se->expr = fold_build2_loc (input_location, op,
    8638              :                               gfc_typenode_for_spec (&expr->ts), se->expr,
    8639           99 :                               build_int_cst (TREE_TYPE (se->expr), 0));
    8640           99 : }
    8641              : 
    8642              : /* Generate a call to the adjustl/adjustr library function.  */
    8643              : static void
    8644          468 : gfc_conv_intrinsic_adjust (gfc_se * se, gfc_expr * expr, tree fndecl)
    8645              : {
    8646          468 :   tree args[3];
    8647          468 :   tree len;
    8648          468 :   tree type;
    8649          468 :   tree var;
    8650          468 :   tree tmp;
    8651              : 
    8652          468 :   gfc_conv_intrinsic_function_args (se, expr, &args[1], 2);
    8653          468 :   len = args[1];
    8654              : 
    8655          468 :   type = TREE_TYPE (args[2]);
    8656          468 :   var = gfc_conv_string_tmp (se, type, len);
    8657          468 :   args[0] = var;
    8658              : 
    8659          468 :   tmp = build_call_expr_loc (input_location,
    8660              :                          fndecl, 3, args[0], args[1], args[2]);
    8661          468 :   gfc_add_expr_to_block (&se->pre, tmp);
    8662          468 :   se->expr = var;
    8663          468 :   se->string_length = len;
    8664          468 : }
    8665              : 
    8666              : 
    8667              : /* Generate code for the TRANSFER intrinsic:
    8668              :         For scalar results:
    8669              :           DEST = TRANSFER (SOURCE, MOLD)
    8670              :         where:
    8671              :           typeof<DEST> = typeof<MOLD>
    8672              :         and:
    8673              :           MOLD is scalar.
    8674              : 
    8675              :         For array results:
    8676              :           DEST(1:N) = TRANSFER (SOURCE, MOLD[, SIZE])
    8677              :         where:
    8678              :           typeof<DEST> = typeof<MOLD>
    8679              :         and:
    8680              :           N = min (sizeof (SOURCE(:)), sizeof (DEST(:)),
    8681              :               sizeof (DEST(0) * SIZE).  */
    8682              : static void
    8683         3914 : gfc_conv_intrinsic_transfer (gfc_se * se, gfc_expr * expr)
    8684              : {
    8685         3914 :   tree tmp;
    8686         3914 :   tree tmpdecl;
    8687         3914 :   tree ptr;
    8688         3914 :   tree extent;
    8689         3914 :   tree source;
    8690         3914 :   tree source_type;
    8691         3914 :   tree source_bytes;
    8692         3914 :   tree mold_type;
    8693         3914 :   tree dest_word_len;
    8694         3914 :   tree size_words;
    8695         3914 :   tree size_bytes;
    8696         3914 :   tree upper;
    8697         3914 :   tree lower;
    8698         3914 :   tree stmt;
    8699         3914 :   tree class_ref = NULL_TREE;
    8700         3914 :   gfc_actual_arglist *arg;
    8701         3914 :   gfc_se argse;
    8702         3914 :   gfc_array_info *info;
    8703         3914 :   stmtblock_t block;
    8704         3914 :   int n;
    8705         3914 :   bool scalar_mold;
    8706         3914 :   gfc_expr *source_expr, *mold_expr, *class_expr;
    8707              : 
    8708         3914 :   info = NULL;
    8709         3914 :   if (se->loop)
    8710          472 :     info = &se->ss->info->data.array;
    8711              : 
    8712              :   /* Convert SOURCE.  The output from this stage is:-
    8713              :         source_bytes = length of the source in bytes
    8714              :         source = pointer to the source data.  */
    8715         3914 :   arg = expr->value.function.actual;
    8716         3914 :   source_expr = arg->expr;
    8717              : 
    8718              :   /* Ensure double transfer through LOGICAL preserves all
    8719              :      the needed bits.  */
    8720         3914 :   if (arg->expr->expr_type == EXPR_FUNCTION
    8721         2917 :         && arg->expr->value.function.esym == NULL
    8722         2893 :         && arg->expr->value.function.isym != NULL
    8723         2893 :         && arg->expr->value.function.isym->id == GFC_ISYM_TRANSFER
    8724           12 :         && arg->expr->ts.type == BT_LOGICAL
    8725           12 :         && expr->ts.type != arg->expr->ts.type)
    8726           12 :     arg->expr->value.function.name = "__transfer_in_transfer";
    8727              : 
    8728         3914 :   gfc_init_se (&argse, NULL);
    8729              : 
    8730         3914 :   source_bytes = gfc_create_var (gfc_array_index_type, NULL);
    8731              : 
    8732              :   /* Obtain the pointer to source and the length of source in bytes.  */
    8733         3914 :   if (arg->expr->rank == 0)
    8734              :     {
    8735         3558 :       gfc_conv_expr_reference (&argse, arg->expr);
    8736         3558 :       if (arg->expr->ts.type == BT_CLASS)
    8737              :         {
    8738           37 :           tmp = build_fold_indirect_ref_loc (input_location, argse.expr);
    8739           37 :           if (GFC_CLASS_TYPE_P (TREE_TYPE (tmp)))
    8740              :             {
    8741           19 :               source = gfc_class_data_get (tmp);
    8742           19 :               class_ref = tmp;
    8743              :             }
    8744              :           else
    8745              :             {
    8746              :               /* Array elements are evaluated as a reference to the data.
    8747              :                  To obtain the vptr for the element size, the argument
    8748              :                  expression must be stripped to the class reference and
    8749              :                  re-evaluated. The pre and post blocks are not needed.  */
    8750           18 :               gcc_assert (arg->expr->expr_type == EXPR_VARIABLE);
    8751           18 :               source = argse.expr;
    8752           18 :               class_expr = gfc_find_and_cut_at_last_class_ref (arg->expr);
    8753           18 :               gfc_init_se (&argse, NULL);
    8754           18 :               gfc_conv_expr (&argse, class_expr);
    8755           18 :               class_ref = argse.expr;
    8756              :             }
    8757              :         }
    8758              :       else
    8759         3521 :         source = argse.expr;
    8760              : 
    8761              :       /* Obtain the source word length.  */
    8762         3558 :       switch (arg->expr->ts.type)
    8763              :         {
    8764          294 :         case BT_CHARACTER:
    8765          294 :           tmp = size_of_string_in_bytes (arg->expr->ts.kind,
    8766              :                                          argse.string_length);
    8767          294 :           break;
    8768           37 :         case BT_CLASS:
    8769           37 :           if (class_ref != NULL_TREE)
    8770              :             {
    8771           37 :               tmp = gfc_class_vtab_size_get (class_ref);
    8772           37 :               if (UNLIMITED_POLY (source_expr))
    8773           30 :                 tmp = gfc_resize_class_size_with_len (NULL, class_ref, tmp);
    8774              :             }
    8775              :           else
    8776              :             {
    8777            0 :               tmp = gfc_class_vtab_size_get (argse.expr);
    8778            0 :               if (UNLIMITED_POLY (source_expr))
    8779            0 :                 tmp = gfc_resize_class_size_with_len (NULL, argse.expr, tmp);
    8780              :             }
    8781              :           break;
    8782         3227 :         default:
    8783         3227 :           source_type = TREE_TYPE (build_fold_indirect_ref_loc (input_location,
    8784              :                                                                 source));
    8785         3227 :           tmp = fold_convert (gfc_array_index_type,
    8786              :                               size_in_bytes (source_type));
    8787         3227 :           break;
    8788              :         }
    8789              :     }
    8790              :   else
    8791              :     {
    8792          356 :       bool simply_contiguous = gfc_is_simply_contiguous (arg->expr,
    8793              :                                                          false, true);
    8794          356 :       argse.want_pointer = 0;
    8795              :       /* A non-contiguous SOURCE needs packing.  */
    8796          356 :       if (!simply_contiguous)
    8797           74 :         argse.force_tmp = 1;
    8798          356 :       gfc_conv_expr_descriptor (&argse, arg->expr);
    8799          356 :       source = gfc_conv_descriptor_data_get (argse.expr);
    8800          356 :       source_type = gfc_get_element_type (TREE_TYPE (argse.expr));
    8801              : 
    8802              :       /* Repack the source if not simply contiguous.  */
    8803          356 :       if (!simply_contiguous)
    8804              :         {
    8805           74 :           tmp = gfc_build_addr_expr (NULL_TREE, argse.expr);
    8806              : 
    8807           74 :           if (warn_array_temporaries)
    8808            0 :             gfc_warning (OPT_Warray_temporaries,
    8809              :                          "Creating array temporary at %L", &expr->where);
    8810              : 
    8811           74 :           source = build_call_expr_loc (input_location,
    8812              :                                     gfor_fndecl_in_pack, 1, tmp);
    8813           74 :           source = gfc_evaluate_now (source, &argse.pre);
    8814              : 
    8815              :           /* Free the temporary.  */
    8816           74 :           gfc_start_block (&block);
    8817           74 :           tmp = gfc_call_free (source);
    8818           74 :           gfc_add_expr_to_block (&block, tmp);
    8819           74 :           stmt = gfc_finish_block (&block);
    8820              : 
    8821              :           /* Clean up if it was repacked.  */
    8822           74 :           gfc_init_block (&block);
    8823           74 :           tmp = gfc_conv_array_data (argse.expr);
    8824           74 :           tmp = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    8825              :                                  source, tmp);
    8826           74 :           tmp = build3_v (COND_EXPR, tmp, stmt,
    8827              :                           build_empty_stmt (input_location));
    8828           74 :           gfc_add_expr_to_block (&block, tmp);
    8829           74 :           gfc_add_block_to_block (&block, &se->post);
    8830           74 :           gfc_init_block (&se->post);
    8831           74 :           gfc_add_block_to_block (&se->post, &block);
    8832              :         }
    8833              : 
    8834              :       /* Obtain the source word length.  */
    8835          356 :       if (arg->expr->ts.type == BT_CHARACTER)
    8836          144 :         tmp = size_of_string_in_bytes (arg->expr->ts.kind,
    8837              :                                        argse.string_length);
    8838          212 :       else if (arg->expr->ts.type == BT_CLASS)
    8839              :         {
    8840           54 :           if (UNLIMITED_POLY (source_expr)
    8841           54 :               && DECL_LANG_SPECIFIC (source_expr->symtree->n.sym->backend_decl))
    8842           12 :             class_ref = GFC_DECL_SAVED_DESCRIPTOR
    8843              :               (source_expr->symtree->n.sym->backend_decl);
    8844              :           else
    8845           42 :             class_ref = TREE_OPERAND (argse.expr, 0);
    8846           54 :           tmp = gfc_class_vtab_size_get (class_ref);
    8847           54 :           if (UNLIMITED_POLY (arg->expr))
    8848           54 :             tmp = gfc_resize_class_size_with_len (&argse.pre, class_ref, tmp);
    8849              :         }
    8850              :       else
    8851          158 :         tmp = fold_convert (gfc_array_index_type,
    8852              :                             size_in_bytes (source_type));
    8853              : 
    8854              :       /* Obtain the size of the array in bytes.  */
    8855          356 :       extent = gfc_create_var (gfc_array_index_type, NULL);
    8856          742 :       for (n = 0; n < arg->expr->rank; n++)
    8857              :         {
    8858          386 :           tree idx;
    8859          386 :           idx = gfc_rank_cst[n];
    8860          386 :           gfc_add_modify (&argse.pre, source_bytes, tmp);
    8861          386 :           lower = gfc_conv_descriptor_lbound_get (argse.expr, idx);
    8862          386 :           upper = gfc_conv_descriptor_ubound_get (argse.expr, idx);
    8863          386 :           tmp = fold_build2_loc (input_location, MINUS_EXPR,
    8864              :                                  gfc_array_index_type, upper, lower);
    8865          386 :           gfc_add_modify (&argse.pre, extent, tmp);
    8866          386 :           tmp = fold_build2_loc (input_location, PLUS_EXPR,
    8867              :                                  gfc_array_index_type, extent,
    8868              :                                  gfc_index_one_node);
    8869          386 :           tmp = fold_build2_loc (input_location, MULT_EXPR,
    8870              :                                  gfc_array_index_type, tmp, source_bytes);
    8871              :         }
    8872              :     }
    8873              : 
    8874         3914 :   gfc_add_modify (&argse.pre, source_bytes, tmp);
    8875         3914 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    8876         3914 :   gfc_add_block_to_block (&se->post, &argse.post);
    8877              : 
    8878              :   /* Now convert MOLD.  The outputs are:
    8879              :         mold_type = the TREE type of MOLD
    8880              :         dest_word_len = destination word length in bytes.  */
    8881         3914 :   arg = arg->next;
    8882         3914 :   mold_expr = arg->expr;
    8883              : 
    8884         3914 :   gfc_init_se (&argse, NULL);
    8885              : 
    8886         3914 :   scalar_mold = arg->expr->rank == 0;
    8887              : 
    8888         3914 :   if (arg->expr->rank == 0)
    8889              :     {
    8890         3591 :       gfc_conv_expr_reference (&argse, mold_expr);
    8891         3591 :       mold_type = TREE_TYPE (build_fold_indirect_ref_loc (input_location,
    8892              :                                                           argse.expr));
    8893              :     }
    8894              :   else
    8895              :     {
    8896          323 :       argse.want_pointer = 0;
    8897          323 :       gfc_conv_expr_descriptor (&argse, mold_expr);
    8898          323 :       mold_type = gfc_get_element_type (TREE_TYPE (argse.expr));
    8899              :     }
    8900              : 
    8901         3914 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    8902         3914 :   gfc_add_block_to_block (&se->post, &argse.post);
    8903              : 
    8904         3914 :   if (strcmp (expr->value.function.name, "__transfer_in_transfer") == 0)
    8905              :     {
    8906              :       /* If this TRANSFER is nested in another TRANSFER, use a type
    8907              :          that preserves all bits.  */
    8908           12 :       if (mold_expr->ts.type == BT_LOGICAL)
    8909           12 :         mold_type = gfc_get_int_type (mold_expr->ts.kind);
    8910              :     }
    8911              : 
    8912              :   /* Obtain the destination word length.  */
    8913         3914 :   switch (mold_expr->ts.type)
    8914              :     {
    8915          467 :     case BT_CHARACTER:
    8916          467 :       tmp = size_of_string_in_bytes (mold_expr->ts.kind, argse.string_length);
    8917          467 :       mold_type = gfc_get_character_type_len (mold_expr->ts.kind,
    8918              :                                               argse.string_length);
    8919          467 :       break;
    8920            6 :     case BT_CLASS:
    8921            6 :       if (scalar_mold)
    8922            6 :         class_ref = argse.expr;
    8923              :       else
    8924            0 :         class_ref = TREE_OPERAND (argse.expr, 0);
    8925            6 :       tmp = gfc_class_vtab_size_get (class_ref);
    8926            6 :       if (UNLIMITED_POLY (arg->expr))
    8927            0 :         tmp = gfc_resize_class_size_with_len (&argse.pre, class_ref, tmp);
    8928              :       break;
    8929         3441 :     default:
    8930         3441 :       tmp = fold_convert (gfc_array_index_type, size_in_bytes (mold_type));
    8931         3441 :       break;
    8932              :     }
    8933              : 
    8934              :   /* Do not fix dest_word_len if it is a variable, since the temporary can wind
    8935              :      up being used before the assignment.  */
    8936         3914 :   if (mold_expr->ts.type == BT_CHARACTER && mold_expr->ts.deferred)
    8937              :     dest_word_len = tmp;
    8938              :   else
    8939              :     {
    8940         3860 :       dest_word_len = gfc_create_var (gfc_array_index_type, NULL);
    8941         3860 :       gfc_add_modify (&se->pre, dest_word_len, tmp);
    8942              :     }
    8943              : 
    8944              :   /* Finally convert SIZE, if it is present.  */
    8945         3914 :   arg = arg->next;
    8946         3914 :   size_words = gfc_create_var (gfc_array_index_type, NULL);
    8947              : 
    8948         3914 :   if (arg->expr)
    8949              :     {
    8950          222 :       gfc_init_se (&argse, NULL);
    8951          222 :       gfc_conv_expr_reference (&argse, arg->expr);
    8952          222 :       tmp = convert (gfc_array_index_type,
    8953              :                      build_fold_indirect_ref_loc (input_location,
    8954              :                                               argse.expr));
    8955          222 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    8956          222 :       gfc_add_block_to_block (&se->post, &argse.post);
    8957              :     }
    8958              :   else
    8959              :     tmp = NULL_TREE;
    8960              : 
    8961              :   /* Separate array and scalar results.  */
    8962         3914 :   if (scalar_mold && tmp == NULL_TREE)
    8963         3442 :     goto scalar_transfer;
    8964              : 
    8965          472 :   size_bytes = gfc_create_var (gfc_array_index_type, NULL);
    8966          472 :   if (tmp != NULL_TREE)
    8967          222 :     tmp = fold_build2_loc (input_location, MULT_EXPR, gfc_array_index_type,
    8968              :                            tmp, dest_word_len);
    8969              :   else
    8970              :     tmp = source_bytes;
    8971              : 
    8972          472 :   gfc_add_modify (&se->pre, size_bytes, tmp);
    8973          472 :   gfc_add_modify (&se->pre, size_words,
    8974              :                        fold_build2_loc (input_location, CEIL_DIV_EXPR,
    8975              :                                         gfc_array_index_type,
    8976              :                                         size_bytes, dest_word_len));
    8977              : 
    8978              :   /* Evaluate the bounds of the result.  If the loop range exists, we have
    8979              :      to check if it is too large.  If so, we modify loop->to be consistent
    8980              :      with min(size, size(source)).  Otherwise, size is made consistent with
    8981              :      the loop range, so that the right number of bytes is transferred.*/
    8982          472 :   n = se->loop->order[0];
    8983          472 :   if (se->loop->to[n] != NULL_TREE)
    8984              :     {
    8985          205 :       tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
    8986              :                              se->loop->to[n], se->loop->from[n]);
    8987          205 :       tmp = fold_build2_loc (input_location, PLUS_EXPR, gfc_array_index_type,
    8988              :                              tmp, gfc_index_one_node);
    8989          205 :       tmp = fold_build2_loc (input_location, MIN_EXPR, gfc_array_index_type,
    8990              :                          tmp, size_words);
    8991          205 :       gfc_add_modify (&se->pre, size_words, tmp);
    8992          205 :       gfc_add_modify (&se->pre, size_bytes,
    8993              :                            fold_build2_loc (input_location, MULT_EXPR,
    8994              :                                             gfc_array_index_type,
    8995              :                                             size_words, dest_word_len));
    8996          410 :       upper = fold_build2_loc (input_location, PLUS_EXPR, gfc_array_index_type,
    8997          205 :                                size_words, se->loop->from[n]);
    8998          205 :       upper = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
    8999              :                                upper, gfc_index_one_node);
    9000              :     }
    9001              :   else
    9002              :     {
    9003          267 :       upper = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
    9004              :                                size_words, gfc_index_one_node);
    9005          267 :       se->loop->from[n] = gfc_index_zero_node;
    9006              :     }
    9007              : 
    9008          472 :   se->loop->to[n] = upper;
    9009              : 
    9010              :   /* Build a destination descriptor, using the pointer, source, as the
    9011              :      data field.  */
    9012          472 :   gfc_trans_create_temp_array (&se->pre, &se->post, se->ss, mold_type,
    9013              :                                NULL_TREE, false, true, false, &expr->where);
    9014              : 
    9015              :   /* Cast the pointer to the result.  */
    9016          472 :   tmp = gfc_conv_descriptor_data_get (info->descriptor);
    9017          472 :   tmp = fold_convert (pvoid_type_node, tmp);
    9018              : 
    9019              :   /* Use memcpy to do the transfer.  */
    9020          472 :   tmp
    9021          472 :     = build_call_expr_loc (input_location,
    9022              :                            builtin_decl_explicit (BUILT_IN_MEMCPY), 3, tmp,
    9023              :                            fold_convert (pvoid_type_node, source),
    9024              :                            fold_convert (size_type_node,
    9025              :                                          fold_build2_loc (input_location,
    9026              :                                                           MIN_EXPR,
    9027              :                                                           gfc_array_index_type,
    9028              :                                                           size_bytes,
    9029              :                                                           source_bytes)));
    9030          472 :   gfc_add_expr_to_block (&se->pre, tmp);
    9031              : 
    9032          472 :   se->expr = info->descriptor;
    9033          472 :   if (expr->ts.type == BT_CHARACTER)
    9034              :     {
    9035          275 :       tmp = fold_convert (gfc_charlen_type_node,
    9036              :                           TYPE_SIZE_UNIT (gfc_get_char_type (expr->ts.kind)));
    9037          275 :       se->string_length = fold_build2_loc (input_location, TRUNC_DIV_EXPR,
    9038              :                                            gfc_charlen_type_node,
    9039              :                                            dest_word_len, tmp);
    9040              :     }
    9041              : 
    9042          472 :   return;
    9043              : 
    9044              : /* Deal with scalar results.  */
    9045         3442 : scalar_transfer:
    9046         3442 :   extent = fold_build2_loc (input_location, MIN_EXPR, gfc_array_index_type,
    9047              :                             dest_word_len, source_bytes);
    9048         3442 :   extent = fold_build2_loc (input_location, MAX_EXPR, gfc_array_index_type,
    9049              :                             extent, gfc_index_zero_node);
    9050              : 
    9051         3442 :   if (expr->ts.type == BT_CHARACTER)
    9052              :     {
    9053          192 :       tree direct, indirect, free;
    9054              : 
    9055          192 :       ptr = convert (gfc_get_pchar_type (expr->ts.kind), source);
    9056          192 :       tmpdecl = gfc_create_var (gfc_get_pchar_type (expr->ts.kind),
    9057              :                                 "transfer");
    9058              : 
    9059              :       /* If source is longer than the destination, use a pointer to
    9060              :          the source directly.  */
    9061          192 :       gfc_init_block (&block);
    9062          192 :       gfc_add_modify (&block, tmpdecl, ptr);
    9063          192 :       direct = gfc_finish_block (&block);
    9064              : 
    9065              :       /* Otherwise, allocate a string with the length of the destination
    9066              :          and copy the source into it.  */
    9067          192 :       gfc_init_block (&block);
    9068          192 :       tmp = gfc_get_pchar_type (expr->ts.kind);
    9069          192 :       tmp = gfc_call_malloc (&block, tmp, dest_word_len);
    9070          192 :       gfc_add_modify (&block, tmpdecl,
    9071          192 :                       fold_convert (TREE_TYPE (ptr), tmp));
    9072          192 :       tmp = build_call_expr_loc (input_location,
    9073              :                              builtin_decl_explicit (BUILT_IN_MEMCPY), 3,
    9074              :                              fold_convert (pvoid_type_node, tmpdecl),
    9075              :                              fold_convert (pvoid_type_node, ptr),
    9076              :                              fold_convert (size_type_node, extent));
    9077          192 :       gfc_add_expr_to_block (&block, tmp);
    9078          192 :       indirect = gfc_finish_block (&block);
    9079              : 
    9080              :       /* Wrap it up with the condition.  */
    9081          192 :       tmp = fold_build2_loc (input_location, LE_EXPR, logical_type_node,
    9082              :                              dest_word_len, source_bytes);
    9083          192 :       tmp = build3_v (COND_EXPR, tmp, direct, indirect);
    9084          192 :       gfc_add_expr_to_block (&se->pre, tmp);
    9085              : 
    9086              :       /* Free the temporary string, if necessary.  */
    9087          192 :       free = gfc_call_free (tmpdecl);
    9088          192 :       tmp = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    9089              :                              dest_word_len, source_bytes);
    9090          192 :       tmp = build3_v (COND_EXPR, tmp, free, build_empty_stmt (input_location));
    9091          192 :       gfc_add_expr_to_block (&se->post, tmp);
    9092              : 
    9093          192 :       se->expr = tmpdecl;
    9094          192 :       tmp = fold_convert (gfc_charlen_type_node,
    9095              :                           TYPE_SIZE_UNIT (gfc_get_char_type (expr->ts.kind)));
    9096          192 :       se->string_length = fold_build2_loc (input_location, TRUNC_DIV_EXPR,
    9097              :                                            gfc_charlen_type_node,
    9098              :                                            dest_word_len, tmp);
    9099              :     }
    9100              :   else
    9101              :     {
    9102         3250 :       tmpdecl = gfc_create_var (mold_type, "transfer");
    9103              : 
    9104         3250 :       ptr = convert (build_pointer_type (mold_type), source);
    9105              : 
    9106              :       /* For CLASS results, allocate the needed memory first.  */
    9107         3250 :       if (mold_expr->ts.type == BT_CLASS)
    9108              :         {
    9109            6 :           tree cdata;
    9110            6 :           cdata = gfc_class_data_get (tmpdecl);
    9111            6 :           tmp = gfc_call_malloc (&se->pre, TREE_TYPE (cdata), dest_word_len);
    9112            6 :           gfc_add_modify (&se->pre, cdata, tmp);
    9113              :         }
    9114              : 
    9115              :       /* Use memcpy to do the transfer.  */
    9116         3250 :       if (mold_expr->ts.type == BT_CLASS)
    9117            6 :         tmp = gfc_class_data_get (tmpdecl);
    9118              :       else
    9119         3244 :         tmp = gfc_build_addr_expr (NULL_TREE, tmpdecl);
    9120              : 
    9121         3250 :       tmp = build_call_expr_loc (input_location,
    9122              :                              builtin_decl_explicit (BUILT_IN_MEMCPY), 3,
    9123              :                              fold_convert (pvoid_type_node, tmp),
    9124              :                              fold_convert (pvoid_type_node, ptr),
    9125              :                              fold_convert (size_type_node, extent));
    9126         3250 :       gfc_add_expr_to_block (&se->pre, tmp);
    9127              : 
    9128              :       /* For CLASS results, set the _vptr.  */
    9129         3250 :       if (mold_expr->ts.type == BT_CLASS)
    9130            6 :         gfc_reset_vptr (&se->pre, nullptr, tmpdecl, source_expr->ts.u.derived);
    9131              : 
    9132         3250 :       se->expr = tmpdecl;
    9133              :     }
    9134              : }
    9135              : 
    9136              : 
    9137              : /* Generate code for the ALLOCATED intrinsic.
    9138              :    Generate inline code that directly check the address of the argument.  */
    9139              : 
    9140              : static void
    9141         7405 : gfc_conv_allocated (gfc_se *se, gfc_expr *expr)
    9142              : {
    9143         7405 :   gfc_se arg1se;
    9144         7405 :   tree tmp;
    9145         7405 :   gfc_expr *e = expr->value.function.actual->expr;
    9146              : 
    9147         7405 :   gfc_init_se (&arg1se, NULL);
    9148         7405 :   if (e->ts.type == BT_CLASS)
    9149              :     {
    9150              :       /* Make sure that class array expressions have both a _data
    9151              :          component reference and an array reference....  */
    9152          905 :       if (CLASS_DATA (e)->attr.dimension)
    9153          418 :         gfc_add_class_array_ref (e);
    9154              :       /* .... whilst scalars only need the _data component.  */
    9155              :       else
    9156          487 :         gfc_add_data_component (e);
    9157              :     }
    9158              : 
    9159         7405 :   gcc_assert (flag_coarray != GFC_FCOARRAY_LIB || !gfc_is_coindexed (e));
    9160              : 
    9161         7405 :   if (e->rank == 0)
    9162              :     {
    9163              :       /* Allocatable scalar.  */
    9164         2894 :       arg1se.want_pointer = 1;
    9165         2894 :       gfc_conv_expr (&arg1se, e);
    9166         2894 :       tmp = arg1se.expr;
    9167              :     }
    9168              :   else
    9169              :     {
    9170              :       /* Allocatable array.  */
    9171         4511 :       arg1se.descriptor_only = 1;
    9172         4511 :       gfc_conv_expr_descriptor (&arg1se, e);
    9173         4511 :       tmp = gfc_conv_descriptor_data_get (arg1se.expr);
    9174              :     }
    9175              : 
    9176         7405 :   tmp = fold_build2_loc (input_location, NE_EXPR, logical_type_node, tmp,
    9177         7405 :                          fold_convert (TREE_TYPE (tmp), null_pointer_node));
    9178              : 
    9179              :   /* Components of pointer array references sometimes come back with a pre block.  */
    9180         7405 :   if (arg1se.pre.head)
    9181          327 :     gfc_add_block_to_block (&se->pre, &arg1se.pre);
    9182              : 
    9183         7405 :   se->expr = convert (gfc_typenode_for_spec (&expr->ts), tmp);
    9184         7405 : }
    9185              : 
    9186              : 
    9187              : /* Generate code for the ASSOCIATED intrinsic.
    9188              :    If both POINTER and TARGET are arrays, generate a call to library function
    9189              :    _gfor_associated, and pass descriptors of POINTER and TARGET to it.
    9190              :    In other cases, generate inline code that directly compare the address of
    9191              :    POINTER with the address of TARGET.  */
    9192              : 
    9193              : static void
    9194         9581 : gfc_conv_associated (gfc_se *se, gfc_expr *expr)
    9195              : {
    9196         9581 :   gfc_actual_arglist *arg1;
    9197         9581 :   gfc_actual_arglist *arg2;
    9198         9581 :   gfc_se arg1se;
    9199         9581 :   gfc_se arg2se;
    9200         9581 :   tree tmp2;
    9201         9581 :   tree tmp;
    9202         9581 :   tree nonzero_arraylen = NULL_TREE;
    9203         9581 :   gfc_ss *ss;
    9204         9581 :   bool scalar;
    9205              : 
    9206         9581 :   gfc_init_se (&arg1se, NULL);
    9207         9581 :   gfc_init_se (&arg2se, NULL);
    9208         9581 :   arg1 = expr->value.function.actual;
    9209         9581 :   arg2 = arg1->next;
    9210              : 
    9211              :   /* Check whether the expression is a scalar or not; we cannot use
    9212              :      arg1->expr->rank as it can be nonzero for proc pointers.  */
    9213         9581 :   ss = gfc_walk_expr (arg1->expr);
    9214         9581 :   scalar = ss == gfc_ss_terminator;
    9215         9581 :   if (!scalar)
    9216         3919 :     gfc_free_ss_chain (ss);
    9217              : 
    9218         9581 :   if (!arg2->expr)
    9219              :     {
    9220              :       /* No optional target.  */
    9221         7202 :       if (scalar)
    9222              :         {
    9223              :           /* A pointer to a scalar.  */
    9224         4735 :           arg1se.want_pointer = 1;
    9225         4735 :           gfc_conv_expr (&arg1se, arg1->expr);
    9226         4735 :           if (arg1->expr->symtree->n.sym->attr.proc_pointer
    9227          185 :               && arg1->expr->symtree->n.sym->attr.dummy)
    9228           78 :             arg1se.expr = build_fold_indirect_ref_loc (input_location,
    9229              :                                                        arg1se.expr);
    9230         4735 :           if (arg1->expr->ts.type == BT_CLASS)
    9231              :             {
    9232          390 :               tmp2 = gfc_class_data_get (arg1se.expr);
    9233          390 :               if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (tmp2)))
    9234            0 :                 tmp2 = gfc_conv_descriptor_data_get (tmp2);
    9235              :             }
    9236              :           else
    9237         4345 :             tmp2 = arg1se.expr;
    9238              :         }
    9239              :       else
    9240              :         {
    9241              :           /* A pointer to an array.  */
    9242         2467 :           gfc_conv_expr_descriptor (&arg1se, arg1->expr);
    9243         2467 :           tmp2 = gfc_conv_descriptor_data_get (arg1se.expr);
    9244              :         }
    9245         7202 :       gfc_add_block_to_block (&se->pre, &arg1se.pre);
    9246         7202 :       gfc_add_block_to_block (&se->post, &arg1se.post);
    9247         7202 :       tmp = fold_build2_loc (input_location, NE_EXPR, logical_type_node, tmp2,
    9248         7202 :                              fold_convert (TREE_TYPE (tmp2), null_pointer_node));
    9249         7202 :       se->expr = tmp;
    9250              :     }
    9251              :   else
    9252              :     {
    9253              :       /* An optional target.  */
    9254         2379 :       if (arg2->expr->ts.type == BT_CLASS
    9255           30 :           && arg2->expr->expr_type != EXPR_FUNCTION)
    9256           24 :         gfc_add_data_component (arg2->expr);
    9257              : 
    9258         2379 :       if (scalar)
    9259              :         {
    9260              :           /* A pointer to a scalar.  */
    9261          927 :           arg1se.want_pointer = 1;
    9262          927 :           gfc_conv_expr (&arg1se, arg1->expr);
    9263          927 :           if (arg1->expr->symtree->n.sym->attr.proc_pointer
    9264          128 :               && arg1->expr->symtree->n.sym->attr.dummy)
    9265           42 :             arg1se.expr = build_fold_indirect_ref_loc (input_location,
    9266              :                                                        arg1se.expr);
    9267          927 :           if (arg1->expr->ts.type == BT_CLASS)
    9268          254 :             arg1se.expr = gfc_class_data_get (arg1se.expr);
    9269              : 
    9270          927 :           arg2se.want_pointer = 1;
    9271          927 :           gfc_conv_expr (&arg2se, arg2->expr);
    9272          927 :           if (arg2->expr->symtree->n.sym->attr.proc_pointer
    9273           36 :               && arg2->expr->symtree->n.sym->attr.dummy)
    9274            0 :             arg2se.expr = build_fold_indirect_ref_loc (input_location,
    9275              :                                                        arg2se.expr);
    9276          927 :           if (arg2->expr->ts.type == BT_CLASS)
    9277              :             {
    9278            6 :               arg2se.expr = gfc_evaluate_now (arg2se.expr, &arg2se.pre);
    9279            6 :               arg2se.expr = gfc_class_data_get (arg2se.expr);
    9280              :             }
    9281          927 :           gfc_add_block_to_block (&se->pre, &arg1se.pre);
    9282          927 :           gfc_add_block_to_block (&se->post, &arg1se.post);
    9283          927 :           gfc_add_block_to_block (&se->pre, &arg2se.pre);
    9284          927 :           gfc_add_block_to_block (&se->post, &arg2se.post);
    9285          927 :           tmp = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    9286              :                                  arg1se.expr, arg2se.expr);
    9287          927 :           tmp2 = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    9288              :                                   arg1se.expr, null_pointer_node);
    9289          927 :           se->expr = fold_build2_loc (input_location, TRUTH_AND_EXPR,
    9290              :                                       logical_type_node, tmp, tmp2);
    9291              :         }
    9292              :       else
    9293              :         {
    9294              :           /* An array pointer of zero length is not associated if target is
    9295              :              present.  */
    9296         1452 :           arg1se.descriptor_only = 1;
    9297         1452 :           gfc_conv_expr_lhs (&arg1se, arg1->expr);
    9298         1452 :           if (arg1->expr->rank == -1)
    9299              :             {
    9300           84 :               tmp = gfc_conv_descriptor_rank (arg1se.expr);
    9301          168 :               tmp = fold_build2_loc (input_location, MINUS_EXPR,
    9302           84 :                                      TREE_TYPE (tmp), tmp,
    9303           84 :                                      build_int_cst (TREE_TYPE (tmp), 1));
    9304              :             }
    9305              :           else
    9306         1368 :             tmp = gfc_rank_cst[arg1->expr->rank - 1];
    9307         1452 :           tmp = gfc_conv_descriptor_stride_get (arg1se.expr, tmp);
    9308         1452 :           if (arg2->expr->rank != 0)
    9309         1422 :             nonzero_arraylen = fold_build2_loc (input_location, NE_EXPR,
    9310              :                                                 logical_type_node, tmp,
    9311         1422 :                                                 build_int_cst (TREE_TYPE (tmp), 0));
    9312              : 
    9313              :           /* A pointer to an array, call library function _gfor_associated.  */
    9314         1452 :           arg1se.want_pointer = 1;
    9315         1452 :           gfc_conv_expr_descriptor (&arg1se, arg1->expr);
    9316         1452 :           gfc_add_block_to_block (&se->pre, &arg1se.pre);
    9317         1452 :           gfc_add_block_to_block (&se->post, &arg1se.post);
    9318              : 
    9319         1452 :           arg2se.want_pointer = 1;
    9320         1452 :           arg2se.force_no_tmp = 1;
    9321         1452 :           if (arg2->expr->rank != 0)
    9322         1422 :             gfc_conv_expr_descriptor (&arg2se, arg2->expr);
    9323              :           else
    9324              :             {
    9325           30 :               gfc_conv_expr (&arg2se, arg2->expr);
    9326           30 :               arg2se.expr
    9327           30 :                 = gfc_conv_scalar_to_descriptor (&arg2se, arg2se.expr,
    9328           30 :                                                  gfc_expr_attr (arg2->expr));
    9329           30 :               arg2se.expr = gfc_build_addr_expr (NULL_TREE, arg2se.expr);
    9330              :             }
    9331         1452 :           gfc_add_block_to_block (&se->pre, &arg2se.pre);
    9332         1452 :           gfc_add_block_to_block (&se->post, &arg2se.post);
    9333         1452 :           se->expr = build_call_expr_loc (input_location,
    9334              :                                       gfor_fndecl_associated, 2,
    9335              :                                       arg1se.expr, arg2se.expr);
    9336         1452 :           se->expr = convert (logical_type_node, se->expr);
    9337         1452 :           if (arg2->expr->rank != 0)
    9338         1422 :             se->expr = fold_build2_loc (input_location, TRUTH_AND_EXPR,
    9339              :                                         logical_type_node, se->expr,
    9340              :                                         nonzero_arraylen);
    9341              :         }
    9342              : 
    9343              :       /* If target is present zero character length pointers cannot
    9344              :          be associated.  */
    9345         2379 :       if (arg1->expr->ts.type == BT_CHARACTER)
    9346              :         {
    9347          631 :           tmp = arg1se.string_length;
    9348          631 :           tmp = fold_build2_loc (input_location, NE_EXPR,
    9349              :                                  logical_type_node, tmp,
    9350          631 :                                  build_zero_cst (TREE_TYPE (tmp)));
    9351          631 :           se->expr = fold_build2_loc (input_location, TRUTH_AND_EXPR,
    9352              :                                       logical_type_node, se->expr, tmp);
    9353              :         }
    9354              :     }
    9355              : 
    9356         9581 :   se->expr = convert (gfc_typenode_for_spec (&expr->ts), se->expr);
    9357         9581 : }
    9358              : 
    9359              : 
    9360              : /* Generate code for the SAME_TYPE_AS intrinsic.
    9361              :    Generate inline code that directly checks the vindices.  */
    9362              : 
    9363              : static void
    9364          409 : gfc_conv_same_type_as (gfc_se *se, gfc_expr *expr)
    9365              : {
    9366          409 :   gfc_expr *a, *b;
    9367          409 :   gfc_se se1, se2;
    9368          409 :   tree tmp;
    9369          409 :   tree conda = NULL_TREE, condb = NULL_TREE;
    9370              : 
    9371          409 :   gfc_init_se (&se1, NULL);
    9372          409 :   gfc_init_se (&se2, NULL);
    9373              : 
    9374          409 :   a = expr->value.function.actual->expr;
    9375          409 :   b = expr->value.function.actual->next->expr;
    9376              : 
    9377          409 :   bool unlimited_poly_a = UNLIMITED_POLY (a);
    9378          409 :   bool unlimited_poly_b = UNLIMITED_POLY (b);
    9379          409 :   if (unlimited_poly_a)
    9380              :     {
    9381          111 :       se1.want_pointer = 1;
    9382          111 :       gfc_add_vptr_component (a);
    9383              :     }
    9384          298 :   else if (a->ts.type == BT_CLASS)
    9385              :     {
    9386          256 :       gfc_add_vptr_component (a);
    9387          256 :       gfc_add_hash_component (a);
    9388              :     }
    9389           42 :   else if (a->ts.type == BT_DERIVED)
    9390           42 :     a = gfc_get_int_expr (gfc_default_integer_kind, NULL,
    9391           42 :                           a->ts.u.derived->hash_value);
    9392              : 
    9393          409 :   if (unlimited_poly_b)
    9394              :     {
    9395           72 :       se2.want_pointer = 1;
    9396           72 :       gfc_add_vptr_component (b);
    9397              :     }
    9398          337 :   else if (b->ts.type == BT_CLASS)
    9399              :     {
    9400          169 :       gfc_add_vptr_component (b);
    9401          169 :       gfc_add_hash_component (b);
    9402              :     }
    9403          168 :   else if (b->ts.type == BT_DERIVED)
    9404          168 :     b = gfc_get_int_expr (gfc_default_integer_kind, NULL,
    9405          168 :                           b->ts.u.derived->hash_value);
    9406              : 
    9407          409 :   gfc_conv_expr (&se1, a);
    9408          409 :   gfc_conv_expr (&se2, b);
    9409              : 
    9410          409 :   if (unlimited_poly_a)
    9411              :     {
    9412          111 :       conda = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    9413              :                                se1.expr,
    9414          111 :                                build_int_cst (TREE_TYPE (se1.expr), 0));
    9415          111 :       se1.expr = gfc_vptr_hash_get (se1.expr);
    9416              :     }
    9417              : 
    9418          409 :   if (unlimited_poly_b)
    9419              :     {
    9420           72 :       condb = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    9421              :                                se2.expr,
    9422           72 :                                build_int_cst (TREE_TYPE (se2.expr), 0));
    9423           72 :       se2.expr = gfc_vptr_hash_get (se2.expr);
    9424              :     }
    9425              : 
    9426          409 :   tmp = fold_build2_loc (input_location, EQ_EXPR,
    9427              :                          logical_type_node, se1.expr,
    9428          409 :                          fold_convert (TREE_TYPE (se1.expr), se2.expr));
    9429              : 
    9430          409 :   if (conda)
    9431          111 :     tmp = fold_build2_loc (input_location, TRUTH_ANDIF_EXPR,
    9432              :                            logical_type_node, conda, tmp);
    9433              : 
    9434          409 :   if (condb)
    9435           72 :     tmp = fold_build2_loc (input_location, TRUTH_ANDIF_EXPR,
    9436              :                            logical_type_node, condb, tmp);
    9437              : 
    9438          409 :   se->expr = convert (gfc_typenode_for_spec (&expr->ts), tmp);
    9439          409 : }
    9440              : 
    9441              : 
    9442              : /* Generate code for SELECTED_CHAR_KIND (NAME) intrinsic function.  */
    9443              : 
    9444              : static void
    9445           42 : gfc_conv_intrinsic_sc_kind (gfc_se *se, gfc_expr *expr)
    9446              : {
    9447           42 :   tree args[2];
    9448              : 
    9449           42 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    9450           42 :   se->expr = build_call_expr_loc (input_location,
    9451              :                               gfor_fndecl_sc_kind, 2, args[0], args[1]);
    9452           42 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), se->expr);
    9453           42 : }
    9454              : 
    9455              : 
    9456              : /* Generate code for SELECTED_INT_KIND (R) intrinsic function.  */
    9457              : 
    9458              : static void
    9459           45 : gfc_conv_intrinsic_si_kind (gfc_se *se, gfc_expr *expr)
    9460              : {
    9461           45 :   tree arg, type;
    9462              : 
    9463           45 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    9464              : 
    9465              :   /* The argument to SELECTED_INT_KIND is INTEGER(4).  */
    9466           45 :   type = gfc_get_int_type (4);
    9467           45 :   arg = gfc_build_addr_expr (NULL_TREE, fold_convert (type, arg));
    9468              : 
    9469              :   /* Convert it to the required type.  */
    9470           45 :   type = gfc_typenode_for_spec (&expr->ts);
    9471           45 :   se->expr = build_call_expr_loc (input_location,
    9472              :                               gfor_fndecl_si_kind, 1, arg);
    9473           45 :   se->expr = fold_convert (type, se->expr);
    9474           45 : }
    9475              : 
    9476              : 
    9477              : /* Generate code for SELECTED_LOGICAL_KIND (BITS) intrinsic function.  */
    9478              : 
    9479              : static void
    9480            6 : gfc_conv_intrinsic_sl_kind (gfc_se *se, gfc_expr *expr)
    9481              : {
    9482            6 :   tree arg, type;
    9483              : 
    9484            6 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    9485              : 
    9486              :   /* The argument to SELECTED_LOGICAL_KIND is INTEGER(4).  */
    9487            6 :   type = gfc_get_int_type (4);
    9488            6 :   arg = gfc_build_addr_expr (NULL_TREE, fold_convert (type, arg));
    9489              : 
    9490              :   /* Convert it to the required type.  */
    9491            6 :   type = gfc_typenode_for_spec (&expr->ts);
    9492            6 :   se->expr = build_call_expr_loc (input_location,
    9493              :                               gfor_fndecl_sl_kind, 1, arg);
    9494            6 :   se->expr = fold_convert (type, se->expr);
    9495            6 : }
    9496              : 
    9497              : 
    9498              : /* Generate code for SELECTED_REAL_KIND (P, R, RADIX) intrinsic function.  */
    9499              : 
    9500              : static void
    9501           82 : gfc_conv_intrinsic_sr_kind (gfc_se *se, gfc_expr *expr)
    9502              : {
    9503           82 :   gfc_actual_arglist *actual;
    9504           82 :   tree type;
    9505           82 :   gfc_se argse;
    9506           82 :   vec<tree, va_gc> *args = NULL;
    9507              : 
    9508          328 :   for (actual = expr->value.function.actual; actual; actual = actual->next)
    9509              :     {
    9510          246 :       gfc_init_se (&argse, se);
    9511              : 
    9512              :       /* Pass a NULL pointer for an absent arg.  */
    9513          246 :       if (actual->expr == NULL)
    9514           96 :         argse.expr = null_pointer_node;
    9515              :       else
    9516              :         {
    9517          150 :           gfc_typespec ts;
    9518          150 :           gfc_clear_ts (&ts);
    9519              : 
    9520          150 :           if (actual->expr->ts.kind != gfc_c_int_kind)
    9521              :             {
    9522              :               /* The arguments to SELECTED_REAL_KIND are INTEGER(4).  */
    9523            0 :               ts.type = BT_INTEGER;
    9524            0 :               ts.kind = gfc_c_int_kind;
    9525            0 :               gfc_convert_type (actual->expr, &ts, 2);
    9526              :             }
    9527          150 :           gfc_conv_expr_reference (&argse, actual->expr);
    9528              :         }
    9529              : 
    9530          246 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    9531          246 :       gfc_add_block_to_block (&se->post, &argse.post);
    9532          246 :       vec_safe_push (args, argse.expr);
    9533              :     }
    9534              : 
    9535              :   /* Convert it to the required type.  */
    9536           82 :   type = gfc_typenode_for_spec (&expr->ts);
    9537           82 :   se->expr = build_call_expr_loc_vec (input_location,
    9538              :                                       gfor_fndecl_sr_kind, args);
    9539           82 :   se->expr = fold_convert (type, se->expr);
    9540           82 : }
    9541              : 
    9542              : 
    9543              : /* Generate code for TRIM (A) intrinsic function.  */
    9544              : 
    9545              : static void
    9546          578 : gfc_conv_intrinsic_trim (gfc_se * se, gfc_expr * expr)
    9547              : {
    9548          578 :   tree var;
    9549          578 :   tree len;
    9550          578 :   tree addr;
    9551          578 :   tree tmp;
    9552          578 :   tree cond;
    9553          578 :   tree fndecl;
    9554          578 :   tree function;
    9555          578 :   tree *args;
    9556          578 :   unsigned int num_args;
    9557              : 
    9558          578 :   num_args = gfc_intrinsic_argument_list_length (expr) + 2;
    9559          578 :   args = XALLOCAVEC (tree, num_args);
    9560              : 
    9561          578 :   var = gfc_create_var (gfc_get_pchar_type (expr->ts.kind), "pstr");
    9562          578 :   addr = gfc_build_addr_expr (ppvoid_type_node, var);
    9563          578 :   len = gfc_create_var (gfc_charlen_type_node, "len");
    9564              : 
    9565          578 :   gfc_conv_intrinsic_function_args (se, expr, &args[2], num_args - 2);
    9566          578 :   args[0] = gfc_build_addr_expr (NULL_TREE, len);
    9567          578 :   args[1] = addr;
    9568              : 
    9569          578 :   if (expr->ts.kind == 1)
    9570          546 :     function = gfor_fndecl_string_trim;
    9571           32 :   else if (expr->ts.kind == 4)
    9572           32 :     function = gfor_fndecl_string_trim_char4;
    9573              :   else
    9574            0 :     gcc_unreachable ();
    9575              : 
    9576          578 :   fndecl = build_addr (function);
    9577          578 :   tmp = build_call_array_loc (input_location,
    9578          578 :                           TREE_TYPE (TREE_TYPE (function)), fndecl,
    9579              :                           num_args, args);
    9580          578 :   gfc_add_expr_to_block (&se->pre, tmp);
    9581              : 
    9582              :   /* Free the temporary afterwards, if necessary.  */
    9583          578 :   cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    9584          578 :                           len, build_int_cst (TREE_TYPE (len), 0));
    9585          578 :   tmp = gfc_call_free (var);
    9586          578 :   tmp = build3_v (COND_EXPR, cond, tmp, build_empty_stmt (input_location));
    9587          578 :   gfc_add_expr_to_block (&se->post, tmp);
    9588              : 
    9589          578 :   se->expr = var;
    9590          578 :   se->string_length = len;
    9591          578 : }
    9592              : 
    9593              : 
    9594              : /* Generate code for REPEAT (STRING, NCOPIES) intrinsic function.  */
    9595              : 
    9596              : static void
    9597          529 : gfc_conv_intrinsic_repeat (gfc_se * se, gfc_expr * expr)
    9598              : {
    9599          529 :   tree args[3], ncopies, dest, dlen, src, slen, ncopies_type;
    9600          529 :   tree type, cond, tmp, count, exit_label, n, max, largest;
    9601          529 :   tree size;
    9602          529 :   stmtblock_t block, body;
    9603          529 :   int i;
    9604              : 
    9605              :   /* We store in charsize the size of a character.  */
    9606          529 :   i = gfc_validate_kind (BT_CHARACTER, expr->ts.kind, false);
    9607          529 :   size = build_int_cst (sizetype, gfc_character_kinds[i].bit_size / 8);
    9608              : 
    9609              :   /* Get the arguments.  */
    9610          529 :   gfc_conv_intrinsic_function_args (se, expr, args, 3);
    9611          529 :   slen = fold_convert (sizetype, gfc_evaluate_now (args[0], &se->pre));
    9612          529 :   src = args[1];
    9613          529 :   ncopies = gfc_evaluate_now (args[2], &se->pre);
    9614          529 :   ncopies_type = TREE_TYPE (ncopies);
    9615              : 
    9616              :   /* Check that NCOPIES is not negative.  */
    9617          529 :   cond = fold_build2_loc (input_location, LT_EXPR, logical_type_node, ncopies,
    9618              :                           build_int_cst (ncopies_type, 0));
    9619          529 :   gfc_trans_runtime_check (true, false, cond, &se->pre, &expr->where,
    9620              :                            "Argument NCOPIES of REPEAT intrinsic is negative "
    9621              :                            "(its value is %ld)",
    9622              :                            fold_convert (long_integer_type_node, ncopies));
    9623              : 
    9624              :   /* If the source length is zero, any non negative value of NCOPIES
    9625              :      is valid, and nothing happens.  */
    9626          529 :   n = gfc_create_var (ncopies_type, "ncopies");
    9627          529 :   cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, slen,
    9628              :                           size_zero_node);
    9629          529 :   tmp = fold_build3_loc (input_location, COND_EXPR, ncopies_type, cond,
    9630              :                          build_int_cst (ncopies_type, 0), ncopies);
    9631          529 :   gfc_add_modify (&se->pre, n, tmp);
    9632          529 :   ncopies = n;
    9633              : 
    9634              :   /* Check that ncopies is not too large: ncopies should be less than
    9635              :      (or equal to) MAX / slen, where MAX is the maximal integer of
    9636              :      the gfc_charlen_type_node type.  If slen == 0, we need a special
    9637              :      case to avoid the division by zero.  */
    9638          529 :   max = fold_build2_loc (input_location, TRUNC_DIV_EXPR, sizetype,
    9639          529 :                          fold_convert (sizetype,
    9640              :                                        TYPE_MAX_VALUE (gfc_charlen_type_node)),
    9641              :                          slen);
    9642         1054 :   largest = TYPE_PRECISION (sizetype) > TYPE_PRECISION (ncopies_type)
    9643          529 :               ? sizetype : ncopies_type;
    9644          529 :   cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    9645              :                           fold_convert (largest, ncopies),
    9646              :                           fold_convert (largest, max));
    9647          529 :   tmp = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, slen,
    9648              :                          size_zero_node);
    9649          529 :   cond = fold_build3_loc (input_location, COND_EXPR, logical_type_node, tmp,
    9650              :                           logical_false_node, cond);
    9651          529 :   gfc_trans_runtime_check (true, false, cond, &se->pre, &expr->where,
    9652              :                            "Argument NCOPIES of REPEAT intrinsic is too large");
    9653              : 
    9654              :   /* Compute the destination length.  */
    9655          529 :   dlen = fold_build2_loc (input_location, MULT_EXPR, gfc_charlen_type_node,
    9656              :                           fold_convert (gfc_charlen_type_node, slen),
    9657              :                           fold_convert (gfc_charlen_type_node, ncopies));
    9658          529 :   type = gfc_get_character_type (expr->ts.kind, expr->ts.u.cl);
    9659          529 :   dest = gfc_conv_string_tmp (se, build_pointer_type (type), dlen);
    9660              : 
    9661              :   /* Generate the code to do the repeat operation:
    9662              :        for (i = 0; i < ncopies; i++)
    9663              :          memmove (dest + (i * slen * size), src, slen*size);  */
    9664          529 :   gfc_start_block (&block);
    9665          529 :   count = gfc_create_var (sizetype, "count");
    9666          529 :   gfc_add_modify (&block, count, size_zero_node);
    9667          529 :   exit_label = gfc_build_label_decl (NULL_TREE);
    9668              : 
    9669              :   /* Start the loop body.  */
    9670          529 :   gfc_start_block (&body);
    9671              : 
    9672              :   /* Exit the loop if count >= ncopies.  */
    9673          529 :   cond = fold_build2_loc (input_location, GE_EXPR, logical_type_node, count,
    9674              :                           fold_convert (sizetype, ncopies));
    9675          529 :   tmp = build1_v (GOTO_EXPR, exit_label);
    9676          529 :   TREE_USED (exit_label) = 1;
    9677          529 :   tmp = fold_build3_loc (input_location, COND_EXPR, void_type_node, cond, tmp,
    9678              :                          build_empty_stmt (input_location));
    9679          529 :   gfc_add_expr_to_block (&body, tmp);
    9680              : 
    9681              :   /* Call memmove (dest + (i*slen*size), src, slen*size).  */
    9682          529 :   tmp = fold_build2_loc (input_location, MULT_EXPR, sizetype, slen,
    9683              :                          count);
    9684          529 :   tmp = fold_build2_loc (input_location, MULT_EXPR, sizetype, tmp,
    9685              :                          size);
    9686          529 :   tmp = fold_build_pointer_plus_loc (input_location,
    9687              :                                      fold_convert (pvoid_type_node, dest), tmp);
    9688          529 :   tmp = build_call_expr_loc (input_location,
    9689              :                              builtin_decl_explicit (BUILT_IN_MEMMOVE),
    9690              :                              3, tmp, src,
    9691              :                              fold_build2_loc (input_location, MULT_EXPR,
    9692              :                                               size_type_node, slen, size));
    9693          529 :   gfc_add_expr_to_block (&body, tmp);
    9694              : 
    9695              :   /* Increment count.  */
    9696          529 :   tmp = fold_build2_loc (input_location, PLUS_EXPR, sizetype,
    9697              :                          count, size_one_node);
    9698          529 :   gfc_add_modify (&body, count, tmp);
    9699              : 
    9700              :   /* Build the loop.  */
    9701          529 :   tmp = build1_v (LOOP_EXPR, gfc_finish_block (&body));
    9702          529 :   gfc_add_expr_to_block (&block, tmp);
    9703              : 
    9704              :   /* Add the exit label.  */
    9705          529 :   tmp = build1_v (LABEL_EXPR, exit_label);
    9706          529 :   gfc_add_expr_to_block (&block, tmp);
    9707              : 
    9708              :   /* Finish the block.  */
    9709          529 :   tmp = gfc_finish_block (&block);
    9710          529 :   gfc_add_expr_to_block (&se->pre, tmp);
    9711              : 
    9712              :   /* Set the result value.  */
    9713          529 :   se->expr = dest;
    9714          529 :   se->string_length = dlen;
    9715          529 : }
    9716              : 
    9717              : 
    9718              : /* Generate code for the IARGC intrinsic.  */
    9719              : 
    9720              : static void
    9721           12 : gfc_conv_intrinsic_iargc (gfc_se * se, gfc_expr * expr)
    9722              : {
    9723           12 :   tree tmp;
    9724           12 :   tree fndecl;
    9725           12 :   tree type;
    9726              : 
    9727              :   /* Call the library function.  This always returns an INTEGER(4).  */
    9728           12 :   fndecl = gfor_fndecl_iargc;
    9729           12 :   tmp = build_call_expr_loc (input_location,
    9730              :                          fndecl, 0);
    9731              : 
    9732              :   /* Convert it to the required type.  */
    9733           12 :   type = gfc_typenode_for_spec (&expr->ts);
    9734           12 :   tmp = fold_convert (type, tmp);
    9735              : 
    9736           12 :   se->expr = tmp;
    9737           12 : }
    9738              : 
    9739              : 
    9740              : /* Generate code for the KILL intrinsic.  */
    9741              : 
    9742              : static void
    9743            8 : conv_intrinsic_kill (gfc_se *se, gfc_expr *expr)
    9744              : {
    9745            8 :   tree *args;
    9746            8 :   tree int4_type_node = gfc_get_int_type (4);
    9747            8 :   tree pid;
    9748            8 :   tree sig;
    9749            8 :   tree tmp;
    9750            8 :   unsigned int num_args;
    9751              : 
    9752            8 :   num_args = gfc_intrinsic_argument_list_length (expr);
    9753            8 :   args = XALLOCAVEC (tree, num_args);
    9754            8 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
    9755              : 
    9756              :   /* Convert PID to a INTEGER(4) entity.  */
    9757            8 :   pid = convert (int4_type_node, args[0]);
    9758              : 
    9759              :   /* Convert SIG to a INTEGER(4) entity.  */
    9760            8 :   sig = convert (int4_type_node, args[1]);
    9761              : 
    9762            8 :   tmp = build_call_expr_loc (input_location, gfor_fndecl_kill, 2, pid, sig);
    9763              : 
    9764            8 :   se->expr = fold_convert (TREE_TYPE (args[0]), tmp);
    9765            8 : }
    9766              : 
    9767              : 
    9768              : static tree
    9769           15 : conv_intrinsic_kill_sub (gfc_code *code)
    9770              : {
    9771           15 :   stmtblock_t block;
    9772           15 :   gfc_se se, se_stat;
    9773           15 :   tree int4_type_node = gfc_get_int_type (4);
    9774           15 :   tree pid;
    9775           15 :   tree sig;
    9776           15 :   tree statp;
    9777           15 :   tree tmp;
    9778              : 
    9779              :   /* Make the function call.  */
    9780           15 :   gfc_init_block (&block);
    9781           15 :   gfc_init_se (&se, NULL);
    9782              : 
    9783              :   /* Convert PID to a INTEGER(4) entity.  */
    9784           15 :   gfc_conv_expr (&se, code->ext.actual->expr);
    9785           15 :   gfc_add_block_to_block (&block, &se.pre);
    9786           15 :   pid = fold_convert (int4_type_node, gfc_evaluate_now (se.expr, &block));
    9787           15 :   gfc_add_block_to_block (&block, &se.post);
    9788              : 
    9789              :   /* Convert SIG to a INTEGER(4) entity.  */
    9790           15 :   gfc_conv_expr (&se, code->ext.actual->next->expr);
    9791           15 :   gfc_add_block_to_block (&block, &se.pre);
    9792           15 :   sig = fold_convert (int4_type_node, gfc_evaluate_now (se.expr, &block));
    9793           15 :   gfc_add_block_to_block (&block, &se.post);
    9794              : 
    9795              :   /* Deal with an optional STATUS.  */
    9796           15 :   if (code->ext.actual->next->next->expr)
    9797              :     {
    9798           10 :       gfc_init_se (&se_stat, NULL);
    9799           10 :       gfc_conv_expr (&se_stat, code->ext.actual->next->next->expr);
    9800           10 :       statp = gfc_create_var (gfc_get_int_type (4), "_statp");
    9801              :     }
    9802              :   else
    9803              :     statp = NULL_TREE;
    9804              : 
    9805           25 :   tmp = build_call_expr_loc (input_location, gfor_fndecl_kill_sub, 3, pid, sig,
    9806           10 :         statp ? gfc_build_addr_expr (NULL_TREE, statp) : null_pointer_node);
    9807              : 
    9808           15 :   gfc_add_expr_to_block (&block, tmp);
    9809              : 
    9810           15 :   if (statp && statp != se_stat.expr)
    9811           10 :     gfc_add_modify (&block, se_stat.expr,
    9812           10 :                     fold_convert (TREE_TYPE (se_stat.expr), statp));
    9813              : 
    9814           15 :   return gfc_finish_block (&block);
    9815              : }
    9816              : 
    9817              : 
    9818              : 
    9819              : /* The loc intrinsic returns the address of its argument as
    9820              :    gfc_index_integer_kind integer.  */
    9821              : 
    9822              : static void
    9823         8908 : gfc_conv_intrinsic_loc (gfc_se * se, gfc_expr * expr)
    9824              : {
    9825         8908 :   tree temp_var;
    9826         8908 :   gfc_expr *arg_expr;
    9827              : 
    9828         8908 :   gcc_assert (!se->ss);
    9829              : 
    9830         8908 :   arg_expr = expr->value.function.actual->expr;
    9831         8908 :   if (arg_expr->rank == 0)
    9832              :     {
    9833         6491 :       if (arg_expr->ts.type == BT_CLASS)
    9834           18 :         gfc_add_data_component (arg_expr);
    9835         6491 :       gfc_conv_expr_reference (se, arg_expr);
    9836              :     }
    9837         2417 :   else if (gfc_is_simply_contiguous (arg_expr, false, false))
    9838         2380 :     gfc_conv_array_parameter (se, arg_expr, true, NULL, NULL, NULL);
    9839              :   else
    9840              :     {
    9841           37 :       gfc_conv_expr_descriptor (se, arg_expr);
    9842           37 :       se->expr = gfc_conv_descriptor_data_get (se->expr);
    9843              :     }
    9844         8908 :   se->expr = convert (gfc_get_int_type (gfc_index_integer_kind), se->expr);
    9845         8908 :   se->expr = gfc_evaluate_now (se->expr, &se->pre);
    9846              : 
    9847              :   /* Create a temporary variable for loc return value.  Without this,
    9848              :      we get an error an ICE in gcc/expr.cc(expand_expr_addr_expr_1).  */
    9849         8908 :   temp_var = gfc_create_var (gfc_get_int_type (gfc_index_integer_kind), NULL);
    9850         8908 :   gfc_add_modify (&se->pre, temp_var, se->expr);
    9851         8908 :   se->expr = temp_var;
    9852         8908 : }
    9853              : 
    9854              : /* The following routine generates code for the intrinsic functions from
    9855              :    the ISO_C_BINDING module: C_LOC, C_FUNLOC, C_ASSOCIATED, and
    9856              :    F_C_STRING.  */
    9857              : 
    9858              : static void
    9859         9879 : conv_isocbinding_function (gfc_se *se, gfc_expr *expr)
    9860              : {
    9861         9879 :   gfc_actual_arglist *arg = expr->value.function.actual;
    9862              : 
    9863         9879 :   if (expr->value.function.isym->id == GFC_ISYM_C_LOC)
    9864              :     {
    9865         7489 :       if (arg->expr->rank == 0)
    9866         2010 :         gfc_conv_expr_reference (se, arg->expr);
    9867         5479 :       else if (gfc_is_simply_contiguous (arg->expr, false, false))
    9868         4395 :         gfc_conv_array_parameter (se, arg->expr, true, NULL, NULL, NULL);
    9869              :       else
    9870              :         {
    9871         1084 :           gfc_conv_expr_descriptor (se, arg->expr);
    9872         1084 :           se->expr = gfc_conv_descriptor_data_get (se->expr);
    9873              :         }
    9874              : 
    9875              :       /* TODO -- the following two lines shouldn't be necessary, but if
    9876              :          they're removed, a bug is exposed later in the code path.
    9877              :          This workaround was thus introduced, but will have to be
    9878              :          removed; please see PR 35150 for details about the issue.  */
    9879         7489 :       se->expr = convert (pvoid_type_node, se->expr);
    9880         7489 :       se->expr = gfc_evaluate_now (se->expr, &se->pre);
    9881              :     }
    9882         2390 :   else if (expr->value.function.isym->id == GFC_ISYM_C_FUNLOC)
    9883              :     {
    9884          260 :       gfc_conv_expr_reference (se, arg->expr);
    9885          260 :       if (arg->expr->symtree->n.sym->attr.proc_pointer
    9886           29 :           && arg->expr->symtree->n.sym->attr.dummy)
    9887            7 :         se->expr = build_fold_indirect_ref_loc (input_location, se->expr);
    9888              :       /* The code below is necessary to create a reference from the calling
    9889              :          subprogram to the argument of C_FUNLOC() in the call graph.
    9890              :          Please see PR 117303 for more details. */
    9891          260 :       se->expr = convert (pvoid_type_node, se->expr);
    9892          260 :       se->expr = gfc_evaluate_now (se->expr, &se->pre);
    9893              :     }
    9894         2130 :   else if (expr->value.function.isym->id == GFC_ISYM_C_ASSOCIATED)
    9895              :     {
    9896         2054 :       gfc_se arg1se;
    9897         2054 :       gfc_se arg2se;
    9898              : 
    9899              :       /* Build the addr_expr for the first argument.  The argument is
    9900              :          already an *address* so we don't need to set want_pointer in
    9901              :          the gfc_se.  */
    9902         2054 :       gfc_init_se (&arg1se, NULL);
    9903         2054 :       gfc_conv_expr (&arg1se, arg->expr);
    9904         2054 :       gfc_add_block_to_block (&se->pre, &arg1se.pre);
    9905         2054 :       gfc_add_block_to_block (&se->post, &arg1se.post);
    9906              : 
    9907              :       /* See if we were given two arguments.  */
    9908         2054 :       if (arg->next->expr == NULL)
    9909              :         /* Only given one arg so generate a null and do a
    9910              :            not-equal comparison against the first arg.  */
    9911         1675 :         se->expr = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    9912              :                                     arg1se.expr,
    9913         1675 :                                     fold_convert (TREE_TYPE (arg1se.expr),
    9914              :                                                   null_pointer_node));
    9915              :       else
    9916              :         {
    9917          379 :           tree eq_expr;
    9918          379 :           tree not_null_expr;
    9919              : 
    9920              :           /* Given two arguments so build the arg2se from second arg.  */
    9921          379 :           gfc_init_se (&arg2se, NULL);
    9922          379 :           gfc_conv_expr (&arg2se, arg->next->expr);
    9923          379 :           gfc_add_block_to_block (&se->pre, &arg2se.pre);
    9924          379 :           gfc_add_block_to_block (&se->post, &arg2se.post);
    9925              : 
    9926              :           /* Generate test to compare that the two args are equal.  */
    9927          379 :           eq_expr = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    9928              :                                      arg1se.expr, arg2se.expr);
    9929              :           /* Generate test to ensure that the first arg is not null.  */
    9930          379 :           not_null_expr = fold_build2_loc (input_location, NE_EXPR,
    9931              :                                            logical_type_node,
    9932              :                                            arg1se.expr, null_pointer_node);
    9933              : 
    9934              :           /* Finally, the generated test must check that both arg1 is not
    9935              :              NULL and that it is equal to the second arg.  */
    9936          379 :           se->expr = fold_build2_loc (input_location, TRUTH_AND_EXPR,
    9937              :                                       logical_type_node,
    9938              :                                       not_null_expr, eq_expr);
    9939              :         }
    9940              :     }
    9941           76 :   else if (expr->value.function.isym->id == GFC_ISYM_F_C_STRING)
    9942              :     {
    9943              :       /* There are three cases:
    9944              :          f_c_string(string)          -> trim(string) // c_null_char
    9945              :          f_c_string(string, .false.) -> trim(string) // c_null_char
    9946              :          f_c_string(string, .true.)  -> string       // c_null_char  */
    9947              : 
    9948           76 :       gfc_expr *string = arg->expr;
    9949           76 :       gfc_expr *asis = arg->next->expr;
    9950           76 :       bool need_asis = false, need_trim = false;
    9951           76 :       gfc_se asis_se;
    9952              : 
    9953           76 :       if (!asis)
    9954              :         {
    9955              :           need_trim = true;
    9956              :           need_asis = false;
    9957              :         }
    9958           54 :       else if (asis->expr_type == EXPR_CONSTANT)
    9959              :         {
    9960           32 :           need_asis = asis->value.logical;
    9961           32 :           need_trim = !need_asis;
    9962              :         }
    9963              :       else
    9964              :         {
    9965              :           /* A conditional expression is needed.  */
    9966           22 :           need_asis = true;
    9967           22 :           need_trim = true;
    9968           22 :           gfc_init_se (&asis_se, se);
    9969           22 :           gfc_conv_expr (&asis_se, asis);
    9970           22 :           if (asis->expr_type == EXPR_VARIABLE
    9971           22 :               && asis->symtree->n.sym->attr.dummy
    9972           10 :               && asis->symtree->n.sym->attr.optional)
    9973              :             {
    9974            6 :               tree present = gfc_conv_expr_present (asis->symtree->n.sym);
    9975            6 :               asis_se.expr
    9976            6 :                 = build3_loc (input_location, COND_EXPR,
    9977              :                               logical_type_node, present,
    9978              :                               asis_se.expr, logical_false_node);
    9979              :             }
    9980           22 :           gfc_make_safe_expr (&asis_se);
    9981              :         }
    9982              : 
    9983              :       /* Handle the case of a constant string argument first.  */
    9984           76 :       if (string->expr_type == EXPR_CONSTANT)
    9985              :         {
    9986              :           /* Output for the asis "then" case goes tlen/tstr, and the
    9987              :              trimmed case in elen/estr.  */
    9988           34 :           tree elen, estr, tlen, tstr;
    9989           34 :           elen = estr = tlen = tstr = NULL_TREE;
    9990              : 
    9991           34 :           gfc_char_t *orig_string = string->value.character.string;
    9992           34 :           gfc_charlen_t orig_len = string->value.character.length;
    9993           34 :           gfc_charlen_t n;
    9994           34 :           gfc_char_t *buf
    9995           34 :             = (gfc_char_t *) alloca ((orig_len + 1) * sizeof (gfc_char_t));
    9996           34 :           memcpy (buf, orig_string, orig_len * sizeof (gfc_char_t));
    9997           34 :           buf[orig_len] = '\0';
    9998           34 :           int kind = gfc_default_character_kind;
    9999           34 :           gcc_assert (string->ts.kind == kind);
   10000              : 
   10001              :           /* Build the new string constant(s).  */
   10002           34 :           if (need_asis)
   10003              :             {
   10004           14 :               tstr = gfc_build_wide_string_const (kind, orig_len + 1, buf);
   10005           14 :               tlen = TYPE_MAX_VALUE (TYPE_DOMAIN (TREE_TYPE (tstr)));
   10006           14 :               if (!need_trim)
   10007              :                 {
   10008           10 :                   se->expr = tstr;
   10009           10 :                   se->string_length = tlen;
   10010           10 :                   return;
   10011              :                 }
   10012              :             }
   10013           24 :           if (need_trim)
   10014              :             {
   10015           72 :               for (n = orig_len; n; n--)
   10016           72 :                 if (buf[n - 1] != ' ')
   10017              :                   break;
   10018           24 :               buf[n] = '\0';
   10019           24 :               if (need_asis && n == orig_len)
   10020              :                 {
   10021              :                   /* Special case; trimming is a no-op.  Add side-effects
   10022              :                      from the condition and then just return the string
   10023              :                      without a conditional.  */
   10024            2 :                   gfc_add_block_to_block (&se->pre, &asis_se.pre);
   10025            2 :                   se->expr = tstr;
   10026            2 :                   se->string_length = tlen;
   10027            2 :                   return;
   10028              :                 }
   10029              :               else
   10030              :                 {
   10031           22 :                   estr = gfc_build_wide_string_const (kind, n + 1, buf);
   10032           22 :                   elen = TYPE_MAX_VALUE (TYPE_DOMAIN (TREE_TYPE (estr)));
   10033              :                 }
   10034           22 :               if (!need_asis)
   10035              :                 {
   10036           20 :                   se->expr = estr;
   10037           20 :                   se->string_length = elen;
   10038           20 :                   return;
   10039              :                 }
   10040              :             }
   10041            0 :           gcc_assert (need_asis && need_trim);
   10042            2 :           gfc_add_block_to_block (&se->pre, &asis_se.pre);
   10043            2 :           se->expr
   10044            2 :             = fold_build3_loc (input_location, COND_EXPR,
   10045              :                                pchar_type_node, asis_se.expr,
   10046              :                                tstr, estr);
   10047            2 :           se->string_length
   10048            2 :             = fold_build3_loc (input_location, COND_EXPR,
   10049              :                                gfc_charlen_type_node, asis_se.expr,
   10050              :                                tlen, elen);
   10051            2 :           return;
   10052              :         }
   10053              :       else
   10054              :         /* We have to generate code to do the string transformation(s) at
   10055              :            runtime.  */
   10056              :         {
   10057           42 :           tree tmp;
   10058              : 
   10059              :           /* Convert input string. */
   10060           42 :           gfc_se sse;
   10061           42 :           gfc_init_se (&sse, se);
   10062           42 :           gfc_conv_expr (&sse, string);
   10063           42 :           gfc_conv_string_parameter (&sse);
   10064           42 :           gfc_make_safe_expr (&sse);
   10065           42 :           gfc_add_block_to_block (&se->pre, &sse.pre);
   10066              : 
   10067              :           /* Use a temporary for the (possibly trimmed) string length.  */
   10068           42 :           tree lenvar = gfc_create_var (gfc_charlen_type_node, NULL);
   10069           42 :           gfc_add_modify (&se->pre, lenvar, sse.string_length);
   10070              : 
   10071              :           /* Build the expression for a call to LEN_TRIM if we may need
   10072              :              to trim the string.  If it's conditional, handle that too.  */
   10073           42 :           if (need_trim)
   10074              :             {
   10075           36 :               tree trimlen
   10076           36 :                 = build_call_expr_loc (input_location,
   10077              :                                        gfor_fndecl_string_len_trim, 2,
   10078              :                                        lenvar, sse.expr);
   10079           36 :               if (need_asis)
   10080              :                 {
   10081           18 :                   gfc_add_block_to_block (&se->pre, &asis_se.pre);
   10082           18 :                   tmp = fold_build3_loc (input_location, COND_EXPR,
   10083              :                                          gfc_charlen_type_node, asis_se.expr,
   10084              :                                          lenvar, trimlen);
   10085           18 :                   gfc_add_modify (&se->pre, lenvar, tmp);
   10086              :                 }
   10087              :               else
   10088           18 :                 gfc_add_modify (&se->pre, lenvar, trimlen);
   10089              :             }
   10090              : 
   10091              :           /* Allocate a new string newvar that is lenvar+1 bytes long.
   10092              :              memcpy the first lenvar bytes from the input string, and
   10093              :              add a null character.  Note that lenvar, the length of
   10094              :              the (trimmed) original string, has type gfc_charlen_type_node,
   10095              :              but newlen is size_type_node.  */
   10096           42 :           tree string_type_node = build_pointer_type (char_type_node);
   10097           42 :           tree newvar = gfc_create_var (string_type_node, NULL);
   10098           42 :           tree newlen = fold_build2_loc (input_location, PLUS_EXPR,
   10099              :                                          size_type_node,
   10100              :                                          fold_convert (size_type_node,
   10101              :                                                        lenvar),
   10102              :                                          size_one_node);
   10103           42 :           gfc_add_modify (&se->pre, newvar,
   10104              :                           gfc_call_malloc (&se->pre, string_type_node,
   10105              :                                            newlen));
   10106           42 :           tmp = build_call_expr_loc (input_location,
   10107              :                                      builtin_decl_explicit (BUILT_IN_MEMCPY),
   10108              :                                      3,
   10109              :                                      fold_convert (pvoid_type_node, newvar),
   10110              :                                      fold_convert (pvoid_type_node, sse.expr),
   10111              :                                      fold_convert (size_type_node, lenvar));
   10112           42 :           gfc_add_expr_to_block (&se->pre, tmp);
   10113           42 :           tmp = fold_build2_loc (input_location, POINTER_PLUS_EXPR,
   10114              :                                  string_type_node, newvar,
   10115              :                                  fold_convert (size_type_node, lenvar));
   10116           42 :           tmp = fold_build1_loc (input_location, INDIRECT_REF,
   10117              :                                  char_type_node, tmp);
   10118           42 :           gfc_add_modify (&se->pre, tmp,
   10119              :                           fold_convert (char_type_node, integer_zero_node));
   10120              : 
   10121              :           /* Remember to free the string later.  */
   10122           42 :           tmp = gfc_call_free (newvar);
   10123           42 :           gfc_add_expr_to_block (&se->post, tmp);
   10124              : 
   10125              :           /* Return the result.  */
   10126           42 :           se->expr = newvar;
   10127           42 :           se->string_length = fold_convert (gfc_charlen_type_node, newlen);
   10128           42 :           return;
   10129              :         }
   10130              :     }
   10131              :   else
   10132            0 :     gcc_unreachable ();
   10133              : }
   10134              : 
   10135              : 
   10136              : /* The following routine generates code for the intrinsic
   10137              :    subroutines from the ISO_C_BINDING module:
   10138              :     * C_F_POINTER
   10139              :     * C_F_PROCPOINTER.  */
   10140              : 
   10141              : static tree
   10142         3303 : conv_isocbinding_subroutine (gfc_code *code)
   10143              : {
   10144         3303 :   gfc_expr *cptr, *fptr, *shape, *lower;
   10145         3303 :   gfc_se se, cptrse, fptrse, shapese, lowerse;
   10146         3303 :   gfc_ss *shape_ss, *lower_ss;
   10147         3303 :   tree desc, dim, tmp, stride, offset, lbound, ubound;
   10148         3303 :   stmtblock_t body, block;
   10149         3303 :   gfc_loopinfo loop;
   10150         3303 :   gfc_actual_arglist *arg;
   10151              : 
   10152         3303 :   arg = code->ext.actual;
   10153         3303 :   cptr = arg->expr;
   10154         3303 :   fptr = arg->next->expr;
   10155         3303 :   shape = arg->next->next ? arg->next->next->expr : NULL;
   10156         3221 :   lower = shape && arg->next->next->next ? arg->next->next->next->expr : NULL;
   10157              : 
   10158         3303 :   gfc_init_se (&se, NULL);
   10159         3303 :   gfc_init_se (&cptrse, NULL);
   10160         3303 :   gfc_conv_expr (&cptrse, cptr);
   10161         3303 :   gfc_add_block_to_block (&se.pre, &cptrse.pre);
   10162         3303 :   gfc_add_block_to_block (&se.post, &cptrse.post);
   10163              : 
   10164         3303 :   gfc_init_se (&fptrse, NULL);
   10165         3303 :   if (fptr->rank == 0)
   10166              :     {
   10167         2818 :       fptrse.want_pointer = 1;
   10168         2818 :       gfc_conv_expr (&fptrse, fptr);
   10169         2818 :       gfc_add_block_to_block (&se.pre, &fptrse.pre);
   10170         2818 :       gfc_add_block_to_block (&se.post, &fptrse.post);
   10171         2818 :       if (fptr->symtree->n.sym->attr.proc_pointer
   10172           81 :           && fptr->symtree->n.sym->attr.dummy)
   10173           19 :         fptrse.expr = build_fold_indirect_ref_loc (input_location, fptrse.expr);
   10174         2818 :       se.expr
   10175         2818 :         = fold_build2_loc (input_location, MODIFY_EXPR, TREE_TYPE (fptrse.expr),
   10176              :                            fptrse.expr,
   10177         2818 :                            fold_convert (TREE_TYPE (fptrse.expr), cptrse.expr));
   10178         2818 :       gfc_add_expr_to_block (&se.pre, se.expr);
   10179         2818 :       gfc_add_block_to_block (&se.pre, &se.post);
   10180         2818 :       return gfc_finish_block (&se.pre);
   10181              :     }
   10182              : 
   10183          485 :   gfc_start_block (&block);
   10184              : 
   10185              :   /* Get the descriptor of the Fortran pointer.  */
   10186          485 :   fptrse.descriptor_only = 1;
   10187          485 :   gfc_conv_expr_descriptor (&fptrse, fptr);
   10188          485 :   gfc_add_block_to_block (&block, &fptrse.pre);
   10189          485 :   desc = fptrse.expr;
   10190              : 
   10191              :   /* Set the span field.  */
   10192          485 :   tmp = TYPE_SIZE_UNIT (gfc_get_element_type (TREE_TYPE (desc)));
   10193          485 :   tmp = fold_convert (gfc_array_index_type, tmp);
   10194          485 :   gfc_conv_descriptor_span_set (&block, desc, tmp);
   10195              : 
   10196              :   /* Set data value, dtype, and offset.  */
   10197          485 :   tmp = GFC_TYPE_ARRAY_DATAPTR_TYPE (TREE_TYPE (desc));
   10198          485 :   gfc_conv_descriptor_data_set (&block, desc, fold_convert (tmp, cptrse.expr));
   10199          485 :   gfc_add_modify (&block, gfc_conv_descriptor_dtype (desc),
   10200          485 :                   gfc_get_dtype (TREE_TYPE (desc)));
   10201              : 
   10202              :   /* Start scalarization of the bounds, using the shape argument.  */
   10203              : 
   10204          485 :   shape_ss = gfc_walk_expr (shape);
   10205          485 :   gcc_assert (shape_ss != gfc_ss_terminator);
   10206          485 :   gfc_init_se (&shapese, NULL);
   10207          485 :   if (lower)
   10208              :     {
   10209           12 :       lower_ss = gfc_walk_expr (lower);
   10210           12 :       gcc_assert (lower_ss != gfc_ss_terminator);
   10211           12 :       gfc_init_se (&lowerse, NULL);
   10212              :     }
   10213              : 
   10214          485 :   gfc_init_loopinfo (&loop);
   10215          485 :   gfc_add_ss_to_loop (&loop, shape_ss);
   10216          485 :   if (lower)
   10217           12 :     gfc_add_ss_to_loop (&loop, lower_ss);
   10218          485 :   gfc_conv_ss_startstride (&loop);
   10219          485 :   gfc_conv_loop_setup (&loop, &fptr->where);
   10220          485 :   gfc_mark_ss_chain_used (shape_ss, 1);
   10221          485 :   if (lower)
   10222           12 :     gfc_mark_ss_chain_used (lower_ss, 1);
   10223              : 
   10224          485 :   gfc_copy_loopinfo_to_se (&shapese, &loop);
   10225          485 :   shapese.ss = shape_ss;
   10226          485 :   if (lower)
   10227              :     {
   10228           12 :       gfc_copy_loopinfo_to_se (&lowerse, &loop);
   10229           12 :       lowerse.ss = lower_ss;
   10230              :     }
   10231              : 
   10232          485 :   stride = gfc_create_var (gfc_array_index_type, "stride");
   10233          485 :   offset = gfc_create_var (gfc_array_index_type, "offset");
   10234          485 :   gfc_add_modify (&block, stride, gfc_index_one_node);
   10235          485 :   gfc_add_modify (&block, offset, gfc_index_zero_node);
   10236              : 
   10237              :   /* Loop body.  */
   10238          485 :   gfc_start_scalarized_body (&loop, &body);
   10239              : 
   10240          485 :   dim = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
   10241              :                          loop.loopvar[0], loop.from[0]);
   10242              : 
   10243          485 :   if (lower)
   10244              :     {
   10245           12 :       gfc_conv_expr (&lowerse, lower);
   10246           12 :       gfc_add_block_to_block (&body, &lowerse.pre);
   10247           12 :       lbound = fold_convert (gfc_array_index_type, lowerse.expr);
   10248           12 :       gfc_add_block_to_block (&body, &lowerse.post);
   10249              :     }
   10250              :   else
   10251          473 :     lbound = gfc_index_one_node;
   10252              : 
   10253              :   /* Set bounds and stride.  */
   10254          485 :   gfc_conv_descriptor_lbound_set (&body, desc, dim, lbound);
   10255          485 :   gfc_conv_descriptor_stride_set (&body, desc, dim, stride);
   10256              : 
   10257          485 :   gfc_conv_expr (&shapese, shape);
   10258          485 :   gfc_add_block_to_block (&body, &shapese.pre);
   10259          485 :   ubound = fold_build2_loc (
   10260              :     input_location, MINUS_EXPR, gfc_array_index_type,
   10261              :     fold_build2_loc (input_location, PLUS_EXPR, gfc_array_index_type, lbound,
   10262              :                      fold_convert (gfc_array_index_type, shapese.expr)),
   10263              :     gfc_index_one_node);
   10264          485 :   gfc_conv_descriptor_ubound_set (&body, desc, dim, ubound);
   10265          485 :   gfc_add_block_to_block (&body, &shapese.post);
   10266              : 
   10267              :   /* Calculate offset.  */
   10268          485 :   tmp = fold_build2_loc (input_location, MULT_EXPR, gfc_array_index_type,
   10269              :                          stride, lbound);
   10270          485 :   gfc_add_modify (&body, offset,
   10271              :                   fold_build2_loc (input_location, PLUS_EXPR,
   10272              :                                    gfc_array_index_type, offset, tmp));
   10273              : 
   10274              :   /* Update stride.  */
   10275          485 :   gfc_add_modify (
   10276              :     &body, stride,
   10277              :     fold_build2_loc (input_location, MULT_EXPR, gfc_array_index_type, stride,
   10278              :                      fold_convert (gfc_array_index_type, shapese.expr)));
   10279              :   /* Finish scalarization loop.  */
   10280          485 :   gfc_trans_scalarizing_loops (&loop, &body);
   10281          485 :   gfc_add_block_to_block (&block, &loop.pre);
   10282          485 :   gfc_add_block_to_block (&block, &loop.post);
   10283          485 :   gfc_add_block_to_block (&block, &fptrse.post);
   10284          485 :   gfc_cleanup_loop (&loop);
   10285              : 
   10286          485 :   gfc_add_modify (&block, offset,
   10287              :                   fold_build1_loc (input_location, NEGATE_EXPR,
   10288              :                                    gfc_array_index_type, offset));
   10289          485 :   gfc_conv_descriptor_offset_set (&block, desc, offset);
   10290              : 
   10291          485 :   gfc_add_expr_to_block (&se.pre, gfc_finish_block (&block));
   10292          485 :   gfc_add_block_to_block (&se.pre, &se.post);
   10293          485 :   return gfc_finish_block (&se.pre);
   10294              : }
   10295              : 
   10296              : 
   10297              : /* The following routine generates code for both forms of the intrinsic
   10298              :    subroutine C_F_STRPOINTER from the ISO_C_BINDING module.  */
   10299              : static tree
   10300           60 : conv_isocbinding_subroutine_strpointer (gfc_code *code)
   10301              : {
   10302           60 :   gfc_actual_arglist *arg = code->ext.actual;
   10303           60 :   gfc_expr *arg0 = arg->expr;
   10304           60 :   gfc_expr *fstrptr = arg->next->expr;
   10305           60 :   gfc_expr *nchars = arg->next->next->expr;
   10306           60 :   tree ptr;
   10307           60 :   tree size = NULL_TREE;
   10308           60 :   tree nc = NULL_TREE;
   10309           60 :   tree fstrptr_ptr, fstrptr_len;
   10310           60 :   stmtblock_t block;
   10311           60 :   gfc_init_block (&block);
   10312           60 :   gfc_se se0, se1, se2;
   10313           60 :   gfc_init_se (&se0, NULL);
   10314           60 :   gfc_init_se (&se1, NULL);
   10315           60 :   gfc_init_se (&se2, NULL);
   10316              : 
   10317              :   /* arg0 can either be a simply contiguous rank-one character array,
   10318              :      or a scalar of type c_ptr that points to a contiguous array.
   10319              :      In the first case nchars may be omitted and defaults to the size
   10320              :      of the array.  */
   10321           60 :   if (arg0->rank == 1)
   10322              :     {
   10323           42 :       gfc_array_ref *ar = gfc_find_array_ref (arg0);
   10324           42 :       if (ar->as && ar->as->type == AS_ASSUMED_SIZE
   10325           12 :           && (ar->type == AR_FULL || ar->end[0] == nullptr))
   10326              :         /* No size available.  */
   10327           12 :         gfc_conv_array_parameter (&se0, arg0, true, NULL, NULL, NULL);
   10328              :       else
   10329              :         {
   10330           30 :           gfc_conv_array_parameter (&se0, arg0, true, NULL, NULL, &size);
   10331           30 :           gcc_assert (size);
   10332              :         }
   10333           42 :       ptr = se0.expr;
   10334              :     }
   10335           18 :   else if (arg0->rank == 0)
   10336              :     {
   10337              :       /* Scalar case.  arg0 is a C pointer to the string, and the
   10338              :          nchars argument is required.  */
   10339           18 :       gfc_conv_expr (&se0, arg0);
   10340           18 :       ptr = se0.expr;
   10341              :       /* We already issued a diagnostic for this in parsing.  */
   10342           18 :       gcc_assert (nchars);
   10343              :     }
   10344              :   else
   10345            0 :     gcc_unreachable ();
   10346              : 
   10347              :   /* Translate the fortran array pointer argument.  AFAICT the
   10348              :      representation here is that this returns the pointer location in
   10349              :      se1.expr and there is a separate decl for the length.
   10350              :      Of course none of this is properly documented....  :-(  */
   10351           60 :   gfc_conv_expr (&se1, fstrptr);
   10352           60 :   fstrptr_ptr = se1.expr;
   10353           60 :   gcc_assert (fstrptr->ts.u.cl && fstrptr->ts.u.cl->backend_decl);
   10354           60 :   fstrptr_len = fstrptr->ts.u.cl->backend_decl;
   10355              : 
   10356              :   /* Translate nchars, if provided.  If we have both the array size
   10357              :      and nchars, take the minimum value.  NC is the tree expr to hold
   10358              :      the value.  */
   10359           60 :   if (nchars)
   10360              :     {
   10361           30 :       gfc_conv_expr (&se2, nchars);
   10362           30 :       nc = se2.expr;
   10363           30 :       if (size)
   10364            0 :         nc = fold_build2_loc (input_location, MIN_EXPR,
   10365            0 :                               TREE_TYPE (nc), nc, size);
   10366              :       /* Check for the case where an optional dummy parameter is
   10367              :          passed as the optional nchars argument.  It's not supposed to
   10368              :          be omitted if we don't also have an array size; rather than
   10369              :          produce a run-time error, assume size 0.  */
   10370           30 :       if (nchars->expr_type == EXPR_VARIABLE
   10371           18 :           && nchars->symtree->n.sym->attr.dummy
   10372           18 :           && nchars->symtree->n.sym->attr.optional)
   10373              :         {
   10374           12 :           tree present = gfc_conv_expr_present (nchars->symtree->n.sym);
   10375           12 :           nc = build3_loc (input_location, COND_EXPR,
   10376           12 :                            TREE_TYPE (nc), present, nc,
   10377           24 :                            size ? size : build_int_cst (TREE_TYPE (nc), 0));
   10378              :         }
   10379              :     }
   10380              :   else
   10381              :     {
   10382           30 :       gcc_assert (size);
   10383              :       nc = size;
   10384              :     }
   10385              : 
   10386              :   /* Collect argument side-effect statements.  */
   10387           60 :   gfc_add_block_to_block (&block, &se0.pre);
   10388           60 :   gfc_add_block_to_block (&block, &se1.pre);
   10389           60 :   gfc_add_block_to_block (&block, &se2.pre);
   10390              : 
   10391              :   /* Generate a call to builtin_strnlen to get the C string length
   10392              :      for the output fstrptr.  */
   10393           60 :   ptr = gfc_evaluate_now (ptr, &block);
   10394           60 :   size = build_call_expr_loc (input_location,
   10395              :                               builtin_decl_explicit (BUILT_IN_STRNLEN), 2,
   10396              :                               fold_convert (const_ptr_type_node, ptr),
   10397              :                               fold_convert (size_type_node, nc));
   10398              : 
   10399              :   /* Stuff the raw C char pointer PTR and actual length SIZE into fstrptr.  */
   10400           60 :   gfc_add_modify (&block, fstrptr_ptr,
   10401           60 :                   fold_convert (TREE_TYPE (fstrptr_ptr), ptr));
   10402           60 :   gfc_add_modify (&block, fstrptr_len,
   10403              :                   fold_convert (gfc_charlen_type_node, size));
   10404              : 
   10405              :   /* Collect argument cleanups.  */
   10406           60 :   gfc_add_block_to_block (&block, &se2.post);
   10407           60 :   gfc_add_block_to_block (&block, &se1.post);
   10408           60 :   gfc_add_block_to_block (&block, &se0.post);
   10409              : 
   10410           60 :   return gfc_finish_block (&block);
   10411              : }
   10412              : 
   10413              : /* Save and restore floating-point state.  */
   10414              : 
   10415              : tree
   10416          941 : gfc_save_fp_state (stmtblock_t *block)
   10417              : {
   10418          941 :   tree type, fpstate, tmp;
   10419              : 
   10420          941 :   type = build_array_type (char_type_node,
   10421              :                            build_range_type (size_type_node, size_zero_node,
   10422              :                                              size_int (GFC_FPE_STATE_BUFFER_SIZE)));
   10423          941 :   fpstate = gfc_create_var (type, "fpstate");
   10424          941 :   fpstate = gfc_build_addr_expr (pvoid_type_node, fpstate);
   10425              : 
   10426          941 :   tmp = build_call_expr_loc (input_location, gfor_fndecl_ieee_procedure_entry,
   10427              :                              1, fpstate);
   10428          941 :   gfc_add_expr_to_block (block, tmp);
   10429              : 
   10430          941 :   return fpstate;
   10431              : }
   10432              : 
   10433              : 
   10434              : void
   10435          941 : gfc_restore_fp_state (stmtblock_t *block, tree fpstate)
   10436              : {
   10437          941 :   tree tmp;
   10438              : 
   10439          941 :   tmp = build_call_expr_loc (input_location, gfor_fndecl_ieee_procedure_exit,
   10440              :                              1, fpstate);
   10441          941 :   gfc_add_expr_to_block (block, tmp);
   10442          941 : }
   10443              : 
   10444              : 
   10445              : /* Generate code for arguments of IEEE functions.  */
   10446              : 
   10447              : static void
   10448        12457 : conv_ieee_function_args (gfc_se *se, gfc_expr *expr, tree *argarray,
   10449              :                          int nargs)
   10450              : {
   10451        12457 :   gfc_actual_arglist *actual;
   10452        12457 :   gfc_expr *e;
   10453        12457 :   gfc_se argse;
   10454        12457 :   int arg;
   10455              : 
   10456        12457 :   actual = expr->value.function.actual;
   10457        34461 :   for (arg = 0; arg < nargs; arg++, actual = actual->next)
   10458              :     {
   10459        22004 :       gcc_assert (actual);
   10460        22004 :       e = actual->expr;
   10461              : 
   10462        22004 :       gfc_init_se (&argse, se);
   10463        22004 :       gfc_conv_expr_val (&argse, e);
   10464              : 
   10465        22004 :       gfc_add_block_to_block (&se->pre, &argse.pre);
   10466        22004 :       gfc_add_block_to_block (&se->post, &argse.post);
   10467        22004 :       argarray[arg] = argse.expr;
   10468              :     }
   10469        12457 : }
   10470              : 
   10471              : 
   10472              : /* Generate code for intrinsics IEEE_IS_NAN, IEEE_IS_FINITE
   10473              :    and IEEE_UNORDERED, which translate directly to GCC type-generic
   10474              :    built-ins.  */
   10475              : 
   10476              : static void
   10477         1062 : conv_intrinsic_ieee_builtin (gfc_se * se, gfc_expr * expr,
   10478              :                              enum built_in_function code, int nargs)
   10479              : {
   10480         1062 :   tree args[2];
   10481         1062 :   gcc_assert ((unsigned) nargs <= ARRAY_SIZE (args));
   10482              : 
   10483         1062 :   conv_ieee_function_args (se, expr, args, nargs);
   10484         1062 :   se->expr = build_call_expr_loc_array (input_location,
   10485              :                                         builtin_decl_explicit (code),
   10486              :                                         nargs, args);
   10487         2388 :   STRIP_TYPE_NOPS (se->expr);
   10488         1062 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), se->expr);
   10489         1062 : }
   10490              : 
   10491              : 
   10492              : /* Generate code for intrinsics IEEE_SIGNBIT.  */
   10493              : 
   10494              : static void
   10495          624 : conv_intrinsic_ieee_signbit (gfc_se * se, gfc_expr * expr)
   10496              : {
   10497          624 :   tree arg, signbit;
   10498              : 
   10499          624 :   conv_ieee_function_args (se, expr, &arg, 1);
   10500          624 :   signbit = build_call_expr_loc (input_location,
   10501              :                                  builtin_decl_explicit (BUILT_IN_SIGNBIT),
   10502              :                                  1, arg);
   10503          624 :   signbit = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
   10504              :                              signbit, integer_zero_node);
   10505          624 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), signbit);
   10506          624 : }
   10507              : 
   10508              : 
   10509              : /* Generate code for IEEE_IS_NORMAL intrinsic:
   10510              :      IEEE_IS_NORMAL(x) --> (__builtin_isnormal(x) || x == 0)  */
   10511              : 
   10512              : static void
   10513          312 : conv_intrinsic_ieee_is_normal (gfc_se * se, gfc_expr * expr)
   10514              : {
   10515          312 :   tree arg, isnormal, iszero;
   10516              : 
   10517              :   /* Convert arg, evaluate it only once.  */
   10518          312 :   conv_ieee_function_args (se, expr, &arg, 1);
   10519          312 :   arg = gfc_evaluate_now (arg, &se->pre);
   10520              : 
   10521          312 :   isnormal = build_call_expr_loc (input_location,
   10522              :                                   builtin_decl_explicit (BUILT_IN_ISNORMAL),
   10523              :                                   1, arg);
   10524          312 :   iszero = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, arg,
   10525          312 :                             build_real_from_int_cst (TREE_TYPE (arg),
   10526          312 :                                                      integer_zero_node));
   10527          312 :   se->expr = fold_build2_loc (input_location, TRUTH_OR_EXPR,
   10528              :                               logical_type_node, isnormal, iszero);
   10529          312 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), se->expr);
   10530          312 : }
   10531              : 
   10532              : 
   10533              : /* Generate code for IEEE_IS_NEGATIVE intrinsic:
   10534              :      IEEE_IS_NEGATIVE(x) --> (__builtin_signbit(x) && !__builtin_isnan(x))  */
   10535              : 
   10536              : static void
   10537          312 : conv_intrinsic_ieee_is_negative (gfc_se * se, gfc_expr * expr)
   10538              : {
   10539          312 :   tree arg, signbit, isnan;
   10540              : 
   10541              :   /* Convert arg, evaluate it only once.  */
   10542          312 :   conv_ieee_function_args (se, expr, &arg, 1);
   10543          312 :   arg = gfc_evaluate_now (arg, &se->pre);
   10544              : 
   10545          312 :   isnan = build_call_expr_loc (input_location,
   10546              :                                builtin_decl_explicit (BUILT_IN_ISNAN),
   10547              :                                1, arg);
   10548          936 :   STRIP_TYPE_NOPS (isnan);
   10549              : 
   10550          312 :   signbit = build_call_expr_loc (input_location,
   10551              :                                  builtin_decl_explicit (BUILT_IN_SIGNBIT),
   10552              :                                  1, arg);
   10553          312 :   signbit = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
   10554              :                              signbit, integer_zero_node);
   10555              : 
   10556          312 :   se->expr = fold_build2_loc (input_location, TRUTH_AND_EXPR,
   10557              :                               logical_type_node, signbit,
   10558              :                               fold_build1_loc (input_location, TRUTH_NOT_EXPR,
   10559          312 :                                                TREE_TYPE(isnan), isnan));
   10560              : 
   10561          312 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), se->expr);
   10562          312 : }
   10563              : 
   10564              : 
   10565              : /* Generate code for IEEE_LOGB and IEEE_RINT.  */
   10566              : 
   10567              : static void
   10568          240 : conv_intrinsic_ieee_logb_rint (gfc_se * se, gfc_expr * expr,
   10569              :                                enum built_in_function code)
   10570              : {
   10571          240 :   tree arg, decl, call, fpstate;
   10572          240 :   int argprec;
   10573              : 
   10574          240 :   conv_ieee_function_args (se, expr, &arg, 1);
   10575          240 :   argprec = TYPE_PRECISION (TREE_TYPE (arg));
   10576          240 :   decl = builtin_decl_for_precision (code, argprec);
   10577              : 
   10578              :   /* Save floating-point state.  */
   10579          240 :   fpstate = gfc_save_fp_state (&se->pre);
   10580              : 
   10581              :   /* Make the function call.  */
   10582          240 :   call = build_call_expr_loc (input_location, decl, 1, arg);
   10583          240 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), call);
   10584              : 
   10585              :   /* Restore floating-point state.  */
   10586          240 :   gfc_restore_fp_state (&se->post, fpstate);
   10587          240 : }
   10588              : 
   10589              : 
   10590              : /* Generate code for IEEE_REM.  */
   10591              : 
   10592              : static void
   10593           84 : conv_intrinsic_ieee_rem (gfc_se * se, gfc_expr * expr)
   10594              : {
   10595           84 :   tree args[2], decl, call, fpstate;
   10596           84 :   int argprec;
   10597              : 
   10598           84 :   conv_ieee_function_args (se, expr, args, 2);
   10599              : 
   10600              :   /* If arguments have unequal size, convert them to the larger.  */
   10601           84 :   if (TYPE_PRECISION (TREE_TYPE (args[0]))
   10602           84 :       > TYPE_PRECISION (TREE_TYPE (args[1])))
   10603            6 :     args[1] = fold_convert (TREE_TYPE (args[0]), args[1]);
   10604           78 :   else if (TYPE_PRECISION (TREE_TYPE (args[1]))
   10605           78 :            > TYPE_PRECISION (TREE_TYPE (args[0])))
   10606           24 :     args[0] = fold_convert (TREE_TYPE (args[1]), args[0]);
   10607              : 
   10608           84 :   argprec = TYPE_PRECISION (TREE_TYPE (args[0]));
   10609           84 :   decl = builtin_decl_for_precision (BUILT_IN_REMAINDER, argprec);
   10610              : 
   10611              :   /* Save floating-point state.  */
   10612           84 :   fpstate = gfc_save_fp_state (&se->pre);
   10613              : 
   10614              :   /* Make the function call.  */
   10615           84 :   call = build_call_expr_loc_array (input_location, decl, 2, args);
   10616           84 :   se->expr = fold_convert (TREE_TYPE (args[0]), call);
   10617              : 
   10618              :   /* Restore floating-point state.  */
   10619           84 :   gfc_restore_fp_state (&se->post, fpstate);
   10620           84 : }
   10621              : 
   10622              : 
   10623              : /* Generate code for IEEE_NEXT_AFTER.  */
   10624              : 
   10625              : static void
   10626          180 : conv_intrinsic_ieee_next_after (gfc_se * se, gfc_expr * expr)
   10627              : {
   10628          180 :   tree args[2], decl, call, fpstate;
   10629          180 :   int argprec;
   10630              : 
   10631          180 :   conv_ieee_function_args (se, expr, args, 2);
   10632              : 
   10633              :   /* Result has the characteristics of first argument.  */
   10634          180 :   args[1] = fold_convert (TREE_TYPE (args[0]), args[1]);
   10635          180 :   argprec = TYPE_PRECISION (TREE_TYPE (args[0]));
   10636          180 :   decl = builtin_decl_for_precision (BUILT_IN_NEXTAFTER, argprec);
   10637              : 
   10638              :   /* Save floating-point state.  */
   10639          180 :   fpstate = gfc_save_fp_state (&se->pre);
   10640              : 
   10641              :   /* Make the function call.  */
   10642          180 :   call = build_call_expr_loc_array (input_location, decl, 2, args);
   10643          180 :   se->expr = fold_convert (TREE_TYPE (args[0]), call);
   10644              : 
   10645              :   /* Restore floating-point state.  */
   10646          180 :   gfc_restore_fp_state (&se->post, fpstate);
   10647          180 : }
   10648              : 
   10649              : 
   10650              : /* Generate code for IEEE_SCALB.  */
   10651              : 
   10652              : static void
   10653          228 : conv_intrinsic_ieee_scalb (gfc_se * se, gfc_expr * expr)
   10654              : {
   10655          228 :   tree args[2], decl, call, huge, type;
   10656          228 :   int argprec, n;
   10657              : 
   10658          228 :   conv_ieee_function_args (se, expr, args, 2);
   10659              : 
   10660              :   /* Result has the characteristics of first argument.  */
   10661          228 :   argprec = TYPE_PRECISION (TREE_TYPE (args[0]));
   10662          228 :   decl = builtin_decl_for_precision (BUILT_IN_SCALBN, argprec);
   10663              : 
   10664          228 :   if (TYPE_PRECISION (TREE_TYPE (args[1])) > TYPE_PRECISION (integer_type_node))
   10665              :     {
   10666              :       /* We need to fold the integer into the range of a C int.  */
   10667           18 :       args[1] = gfc_evaluate_now (args[1], &se->pre);
   10668           18 :       type = TREE_TYPE (args[1]);
   10669              : 
   10670           18 :       n = gfc_validate_kind (BT_INTEGER, gfc_c_int_kind, false);
   10671           18 :       huge = gfc_conv_mpz_to_tree (gfc_integer_kinds[n].huge,
   10672              :                                    gfc_c_int_kind);
   10673           18 :       huge = fold_convert (type, huge);
   10674           18 :       args[1] = fold_build2_loc (input_location, MIN_EXPR, type, args[1],
   10675              :                                  huge);
   10676           18 :       args[1] = fold_build2_loc (input_location, MAX_EXPR, type, args[1],
   10677              :                                  fold_build1_loc (input_location, NEGATE_EXPR,
   10678              :                                                   type, huge));
   10679              :     }
   10680              : 
   10681          228 :   args[1] = fold_convert (integer_type_node, args[1]);
   10682              : 
   10683              :   /* Make the function call.  */
   10684          228 :   call = build_call_expr_loc_array (input_location, decl, 2, args);
   10685          228 :   se->expr = fold_convert (TREE_TYPE (args[0]), call);
   10686          228 : }
   10687              : 
   10688              : 
   10689              : /* Generate code for IEEE_COPY_SIGN.  */
   10690              : 
   10691              : static void
   10692          576 : conv_intrinsic_ieee_copy_sign (gfc_se * se, gfc_expr * expr)
   10693              : {
   10694          576 :   tree args[2], decl, sign;
   10695          576 :   int argprec;
   10696              : 
   10697          576 :   conv_ieee_function_args (se, expr, args, 2);
   10698              : 
   10699              :   /* Get the sign of the second argument.  */
   10700          576 :   sign = build_call_expr_loc (input_location,
   10701              :                               builtin_decl_explicit (BUILT_IN_SIGNBIT),
   10702              :                               1, args[1]);
   10703          576 :   sign = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
   10704              :                           sign, integer_zero_node);
   10705              : 
   10706              :   /* Create a value of one, with the right sign.  */
   10707          576 :   sign = fold_build3_loc (input_location, COND_EXPR, integer_type_node,
   10708              :                           sign,
   10709              :                           fold_build1_loc (input_location, NEGATE_EXPR,
   10710              :                                            integer_type_node,
   10711              :                                            integer_one_node),
   10712              :                           integer_one_node);
   10713          576 :   args[1] = fold_convert (TREE_TYPE (args[0]), sign);
   10714              : 
   10715          576 :   argprec = TYPE_PRECISION (TREE_TYPE (args[0]));
   10716          576 :   decl = builtin_decl_for_precision (BUILT_IN_COPYSIGN, argprec);
   10717              : 
   10718          576 :   se->expr = build_call_expr_loc_array (input_location, decl, 2, args);
   10719          576 : }
   10720              : 
   10721              : 
   10722              : /* Generate code for IEEE_CLASS.  */
   10723              : 
   10724              : static void
   10725          648 : conv_intrinsic_ieee_class (gfc_se *se, gfc_expr *expr)
   10726              : {
   10727          648 :   tree arg, c, t1, t2, t3, t4;
   10728              : 
   10729              :   /* Convert arg, evaluate it only once.  */
   10730          648 :   conv_ieee_function_args (se, expr, &arg, 1);
   10731          648 :   arg = gfc_evaluate_now (arg, &se->pre);
   10732              : 
   10733          648 :   c = build_call_expr_loc (input_location,
   10734              :                            builtin_decl_explicit (BUILT_IN_FPCLASSIFY), 6,
   10735              :                            build_int_cst (integer_type_node, IEEE_QUIET_NAN),
   10736              :                            build_int_cst (integer_type_node,
   10737              :                                           IEEE_POSITIVE_INF),
   10738              :                            build_int_cst (integer_type_node,
   10739              :                                           IEEE_POSITIVE_NORMAL),
   10740              :                            build_int_cst (integer_type_node,
   10741              :                                           IEEE_POSITIVE_DENORMAL),
   10742              :                            build_int_cst (integer_type_node,
   10743              :                                           IEEE_POSITIVE_ZERO),
   10744              :                            arg);
   10745          648 :   c = gfc_evaluate_now (c, &se->pre);
   10746          648 :   t1 = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
   10747              :                         c, build_int_cst (integer_type_node,
   10748              :                                           IEEE_QUIET_NAN));
   10749          648 :   t2 = build_call_expr_loc (input_location,
   10750              :                             builtin_decl_explicit (BUILT_IN_ISSIGNALING), 1,
   10751              :                             arg);
   10752          648 :   t2 = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
   10753          648 :                         t2, build_zero_cst (TREE_TYPE (t2)));
   10754          648 :   t1 = fold_build2_loc (input_location, TRUTH_AND_EXPR,
   10755              :                         logical_type_node, t1, t2);
   10756          648 :   t3 = fold_build2_loc (input_location, GE_EXPR, logical_type_node,
   10757              :                         c, build_int_cst (integer_type_node,
   10758              :                                           IEEE_POSITIVE_ZERO));
   10759          648 :   t4 = build_call_expr_loc (input_location,
   10760              :                             builtin_decl_explicit (BUILT_IN_SIGNBIT), 1,
   10761              :                             arg);
   10762          648 :   t4 = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
   10763          648 :                         t4, build_zero_cst (TREE_TYPE (t4)));
   10764          648 :   t3 = fold_build2_loc (input_location, TRUTH_AND_EXPR,
   10765              :                         logical_type_node, t3, t4);
   10766          648 :   int s = IEEE_NEGATIVE_ZERO + IEEE_POSITIVE_ZERO;
   10767          648 :   gcc_assert (IEEE_NEGATIVE_INF == s - IEEE_POSITIVE_INF);
   10768          648 :   gcc_assert (IEEE_NEGATIVE_NORMAL == s - IEEE_POSITIVE_NORMAL);
   10769          648 :   gcc_assert (IEEE_NEGATIVE_DENORMAL == s - IEEE_POSITIVE_DENORMAL);
   10770          648 :   gcc_assert (IEEE_NEGATIVE_SUBNORMAL == s - IEEE_POSITIVE_SUBNORMAL);
   10771          648 :   gcc_assert (IEEE_NEGATIVE_ZERO == s - IEEE_POSITIVE_ZERO);
   10772          648 :   t4 = fold_build2_loc (input_location, MINUS_EXPR, TREE_TYPE (c),
   10773          648 :                         build_int_cst (TREE_TYPE (c), s), c);
   10774          648 :   t3 = fold_build3_loc (input_location, COND_EXPR, TREE_TYPE (c),
   10775              :                         t3, t4, c);
   10776          648 :   t1 = fold_build3_loc (input_location, COND_EXPR, TREE_TYPE (c), t1,
   10777          648 :                         build_int_cst (TREE_TYPE (c), IEEE_SIGNALING_NAN),
   10778              :                         t3);
   10779          648 :   tree type = gfc_typenode_for_spec (&expr->ts);
   10780              :   /* Perform a quick sanity check that the return type is
   10781              :      IEEE_CLASS_TYPE derived type defined in
   10782              :      libgfortran/ieee/ieee_arithmetic.F90
   10783              :      Primarily check that it is a derived type with a single
   10784              :      member in it.  */
   10785          648 :   gcc_assert (TREE_CODE (type) == RECORD_TYPE);
   10786          648 :   tree field = NULL_TREE;
   10787         1296 :   for (tree f = TYPE_FIELDS (type); f != NULL_TREE; f = DECL_CHAIN (f))
   10788          648 :     if (TREE_CODE (f) == FIELD_DECL)
   10789              :       {
   10790          648 :         gcc_assert (field == NULL_TREE);
   10791              :         field = f;
   10792              :       }
   10793          648 :   gcc_assert (field);
   10794          648 :   t1 = fold_convert (TREE_TYPE (field), t1);
   10795          648 :   se->expr = build_constructor_single (type, field, t1);
   10796          648 : }
   10797              : 
   10798              : 
   10799              : /* Generate code for IEEE_VALUE.  */
   10800              : 
   10801              : static void
   10802         1111 : conv_intrinsic_ieee_value (gfc_se *se, gfc_expr *expr)
   10803              : {
   10804         1111 :   tree args[2], arg, ret, tmp;
   10805         1111 :   stmtblock_t body;
   10806              : 
   10807              :   /* Convert args, evaluate the second one only once.  */
   10808         1111 :   conv_ieee_function_args (se, expr, args, 2);
   10809         1111 :   arg = gfc_evaluate_now (args[1], &se->pre);
   10810              : 
   10811         1111 :   tree type = TREE_TYPE (arg);
   10812              :   /* Perform a quick sanity check that the second argument's type is
   10813              :      IEEE_CLASS_TYPE derived type defined in
   10814              :      libgfortran/ieee/ieee_arithmetic.F90
   10815              :      Primarily check that it is a derived type with a single
   10816              :      member in it.  */
   10817         1111 :   gcc_assert (TREE_CODE (type) == RECORD_TYPE);
   10818         1111 :   tree field = NULL_TREE;
   10819         2222 :   for (tree f = TYPE_FIELDS (type); f != NULL_TREE; f = DECL_CHAIN (f))
   10820         1111 :     if (TREE_CODE (f) == FIELD_DECL)
   10821              :       {
   10822         1111 :         gcc_assert (field == NULL_TREE);
   10823              :         field = f;
   10824              :       }
   10825         1111 :   gcc_assert (field);
   10826         1111 :   arg = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (field),
   10827              :                          arg, field, NULL_TREE);
   10828         1111 :   arg = gfc_evaluate_now (arg, &se->pre);
   10829              : 
   10830         1111 :   type = gfc_typenode_for_spec (&expr->ts);
   10831         1111 :   gcc_assert (SCALAR_FLOAT_TYPE_P (type));
   10832         1111 :   ret = gfc_create_var (type, NULL);
   10833              : 
   10834         1111 :   gfc_init_block (&body);
   10835              : 
   10836         1111 :   tree end_label = gfc_build_label_decl (NULL_TREE);
   10837        12221 :   for (int c = IEEE_SIGNALING_NAN; c <= IEEE_POSITIVE_INF; ++c)
   10838              :     {
   10839        11110 :       tree label = gfc_build_label_decl (NULL_TREE);
   10840        11110 :       tree low = build_int_cst (TREE_TYPE (arg), c);
   10841        11110 :       tmp = build_case_label (low, low, label);
   10842        11110 :       gfc_add_expr_to_block (&body, tmp);
   10843              : 
   10844        11110 :       REAL_VALUE_TYPE real;
   10845        11110 :       int k;
   10846        11110 :       switch (c)
   10847              :         {
   10848         1111 :         case IEEE_SIGNALING_NAN:
   10849         1111 :           real_nan (&real, "", 0, TYPE_MODE (type));
   10850         1111 :           break;
   10851         1111 :         case IEEE_QUIET_NAN:
   10852         1111 :           real_nan (&real, "", 1, TYPE_MODE (type));
   10853         1111 :           break;
   10854         1111 :         case IEEE_NEGATIVE_INF:
   10855         1111 :           real_inf (&real);
   10856         1111 :           real = real_value_negate (&real);
   10857         1111 :           break;
   10858         1111 :         case IEEE_NEGATIVE_NORMAL:
   10859         1111 :           real_from_integer (&real, TYPE_MODE (type), -42, SIGNED);
   10860         1111 :           break;
   10861         1111 :         case IEEE_NEGATIVE_DENORMAL:
   10862         1111 :           k = gfc_validate_kind (BT_REAL, expr->ts.kind, false);
   10863         1111 :           real_from_mpfr (&real, gfc_real_kinds[k].tiny,
   10864              :                           type, GFC_RND_MODE);
   10865         1111 :           real_arithmetic (&real, RDIV_EXPR, &real, &dconst2);
   10866         1111 :           real = real_value_negate (&real);
   10867         1111 :           break;
   10868         1111 :         case IEEE_NEGATIVE_ZERO:
   10869         1111 :           real_from_integer (&real, TYPE_MODE (type), 0, SIGNED);
   10870         1111 :           real = real_value_negate (&real);
   10871         1111 :           break;
   10872         1111 :         case IEEE_POSITIVE_ZERO:
   10873              :           /* Make this also the default: label.  The other possibility
   10874              :              would be to add a separate default: label followed by
   10875              :              __builtin_unreachable ().  */
   10876         1111 :           label = gfc_build_label_decl (NULL_TREE);
   10877         1111 :           tmp = build_case_label (NULL_TREE, NULL_TREE, label);
   10878         1111 :           gfc_add_expr_to_block (&body, tmp);
   10879         1111 :           real_from_integer (&real, TYPE_MODE (type), 0, SIGNED);
   10880         1111 :           break;
   10881         1111 :         case IEEE_POSITIVE_DENORMAL:
   10882         1111 :           k = gfc_validate_kind (BT_REAL, expr->ts.kind, false);
   10883         1111 :           real_from_mpfr (&real, gfc_real_kinds[k].tiny,
   10884              :                           type, GFC_RND_MODE);
   10885         1111 :           real_arithmetic (&real, RDIV_EXPR, &real, &dconst2);
   10886         1111 :           break;
   10887         1111 :         case IEEE_POSITIVE_NORMAL:
   10888         1111 :           real_from_integer (&real, TYPE_MODE (type), 42, SIGNED);
   10889         1111 :           break;
   10890         1111 :         case IEEE_POSITIVE_INF:
   10891         1111 :           real_inf (&real);
   10892         1111 :           break;
   10893              :         default:
   10894              :           gcc_unreachable ();
   10895              :         }
   10896              : 
   10897        11110 :       tree val = build_real (type, real);
   10898        11110 :       gfc_add_modify (&body, ret, val);
   10899              : 
   10900        11110 :       tmp = build1_v (GOTO_EXPR, end_label);
   10901        11110 :       gfc_add_expr_to_block (&body, tmp);
   10902              :     }
   10903              : 
   10904         1111 :   tmp = gfc_finish_block (&body);
   10905         1111 :   tmp = fold_build2_loc (input_location, SWITCH_EXPR, NULL_TREE, arg, tmp);
   10906         1111 :   gfc_add_expr_to_block (&se->pre, tmp);
   10907              : 
   10908         1111 :   tmp = build1_v (LABEL_EXPR, end_label);
   10909         1111 :   gfc_add_expr_to_block (&se->pre, tmp);
   10910              : 
   10911         1111 :   se->expr = ret;
   10912         1111 : }
   10913              : 
   10914              : 
   10915              : /* Generate code for IEEE_FMA.  */
   10916              : 
   10917              : static void
   10918          120 : conv_intrinsic_ieee_fma (gfc_se * se, gfc_expr * expr)
   10919              : {
   10920          120 :   tree args[3], decl, call;
   10921          120 :   int argprec;
   10922              : 
   10923          120 :   conv_ieee_function_args (se, expr, args, 3);
   10924              : 
   10925              :   /* All three arguments should have the same type.  */
   10926          120 :   gcc_assert (TYPE_PRECISION (TREE_TYPE (args[0])) == TYPE_PRECISION (TREE_TYPE (args[1])));
   10927          120 :   gcc_assert (TYPE_PRECISION (TREE_TYPE (args[0])) == TYPE_PRECISION (TREE_TYPE (args[2])));
   10928              : 
   10929              :   /* Call the type-generic FMA built-in.  */
   10930          120 :   argprec = TYPE_PRECISION (TREE_TYPE (args[0]));
   10931          120 :   decl = builtin_decl_for_precision (BUILT_IN_FMA, argprec);
   10932          120 :   call = build_call_expr_loc_array (input_location, decl, 3, args);
   10933              : 
   10934              :   /* Convert to the final type.  */
   10935          120 :   se->expr = fold_convert (TREE_TYPE (args[0]), call);
   10936          120 : }
   10937              : 
   10938              : 
   10939              : /* Generate code for IEEE_{MIN,MAX}_NUM{,_MAG}.  */
   10940              : 
   10941              : static void
   10942         3072 : conv_intrinsic_ieee_minmax (gfc_se * se, gfc_expr * expr, int max,
   10943              :                             const char *name)
   10944              : {
   10945         3072 :   tree args[2], func;
   10946         3072 :   built_in_function fn;
   10947              : 
   10948         3072 :   conv_ieee_function_args (se, expr, args, 2);
   10949         3072 :   gcc_assert (TYPE_PRECISION (TREE_TYPE (args[0])) == TYPE_PRECISION (TREE_TYPE (args[1])));
   10950         3072 :   args[0] = gfc_evaluate_now (args[0], &se->pre);
   10951         3072 :   args[1] = gfc_evaluate_now (args[1], &se->pre);
   10952              : 
   10953         3072 :   if (startswith (name, "mag"))
   10954              :     {
   10955              :       /* IEEE_MIN_NUM_MAG and IEEE_MAX_NUM_MAG translate to C functions
   10956              :          fminmag() and fmaxmag(), which do not exist as built-ins.
   10957              : 
   10958              :          Following glibc, we emit this:
   10959              : 
   10960              :            fminmag (x, y) {
   10961              :              ax = ABS (x);
   10962              :              ay = ABS (y);
   10963              :              if (isless (ax, ay))
   10964              :                return x;
   10965              :              else if (isgreater (ax, ay))
   10966              :                return y;
   10967              :              else if (ax == ay)
   10968              :                return x < y ? x : y;
   10969              :              else if (issignaling (x) || issignaling (y))
   10970              :                return x + y;
   10971              :              else
   10972              :                return isnan (y) ? x : y;
   10973              :            }
   10974              : 
   10975              :            fmaxmag (x, y) {
   10976              :              ax = ABS (x);
   10977              :              ay = ABS (y);
   10978              :              if (isgreater (ax, ay))
   10979              :                return x;
   10980              :              else if (isless (ax, ay))
   10981              :                return y;
   10982              :              else if (ax == ay)
   10983              :                return x > y ? x : y;
   10984              :              else if (issignaling (x) || issignaling (y))
   10985              :                return x + y;
   10986              :              else
   10987              :                return isnan (y) ? x : y;
   10988              :            }
   10989              : 
   10990              :          */
   10991              : 
   10992         1536 :       tree abs0, abs1, sig0, sig1;
   10993         1536 :       tree cond1, cond2, cond3, cond4, cond5;
   10994         1536 :       tree res;
   10995         1536 :       tree type = TREE_TYPE (args[0]);
   10996              : 
   10997         1536 :       func = gfc_builtin_decl_for_float_kind (BUILT_IN_FABS, expr->ts.kind);
   10998         1536 :       abs0 = build_call_expr_loc (input_location, func, 1, args[0]);
   10999         1536 :       abs1 = build_call_expr_loc (input_location, func, 1, args[1]);
   11000         1536 :       abs0 = gfc_evaluate_now (abs0, &se->pre);
   11001         1536 :       abs1 = gfc_evaluate_now (abs1, &se->pre);
   11002              : 
   11003         1536 :       cond5 = build_call_expr_loc (input_location,
   11004              :                                    builtin_decl_explicit (BUILT_IN_ISNAN),
   11005              :                                    1, args[1]);
   11006         1536 :       res = fold_build3_loc (input_location, COND_EXPR, type, cond5,
   11007              :                              args[0], args[1]);
   11008              : 
   11009         1536 :       sig0 = build_call_expr_loc (input_location,
   11010              :                                   builtin_decl_explicit (BUILT_IN_ISSIGNALING),
   11011              :                                   1, args[0]);
   11012         1536 :       sig1 = build_call_expr_loc (input_location,
   11013              :                                   builtin_decl_explicit (BUILT_IN_ISSIGNALING),
   11014              :                                   1, args[1]);
   11015         1536 :       cond4 = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
   11016              :                                logical_type_node, sig0, sig1);
   11017         1536 :       res = fold_build3_loc (input_location, COND_EXPR, type, cond4,
   11018              :                              fold_build2_loc (input_location, PLUS_EXPR,
   11019              :                                               type, args[0], args[1]),
   11020              :                              res);
   11021              : 
   11022         1536 :       cond3 = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
   11023              :                                abs0, abs1);
   11024         2304 :       res = fold_build3_loc (input_location, COND_EXPR, type, cond3,
   11025              :                              fold_build2_loc (input_location,
   11026              :                                               max ? MAX_EXPR : MIN_EXPR,
   11027              :                                               type, args[0], args[1]),
   11028              :                              res);
   11029              : 
   11030         2304 :       func = builtin_decl_explicit (max ? BUILT_IN_ISLESS : BUILT_IN_ISGREATER);
   11031         1536 :       cond2 = build_call_expr_loc (input_location, func, 2, abs0, abs1);
   11032         1536 :       res = fold_build3_loc (input_location, COND_EXPR, type, cond2,
   11033              :                              args[1], res);
   11034              : 
   11035         2304 :       func = builtin_decl_explicit (max ? BUILT_IN_ISGREATER : BUILT_IN_ISLESS);
   11036         1536 :       cond1 = build_call_expr_loc (input_location, func, 2, abs0, abs1);
   11037         1536 :       res = fold_build3_loc (input_location, COND_EXPR, type, cond1,
   11038              :                              args[0], res);
   11039              : 
   11040         1536 :       se->expr = res;
   11041              :     }
   11042              :   else
   11043              :     {
   11044              :       /* IEEE_MIN_NUM and IEEE_MAX_NUM translate to fmin() and fmax().  */
   11045         1536 :       fn = max ? BUILT_IN_FMAX : BUILT_IN_FMIN;
   11046         1536 :       func = gfc_builtin_decl_for_float_kind (fn, expr->ts.kind);
   11047         1536 :       se->expr = build_call_expr_loc_array (input_location, func, 2, args);
   11048              :     }
   11049         3072 : }
   11050              : 
   11051              : 
   11052              : /* Generate code for comparison functions IEEE_QUIET_* and
   11053              :    IEEE_SIGNALING_*.  */
   11054              : 
   11055              : static void
   11056         3888 : conv_intrinsic_ieee_comparison (gfc_se * se, gfc_expr * expr, int signaling,
   11057              :                                 const char *name)
   11058              : {
   11059         3888 :   tree args[2];
   11060         3888 :   tree arg1, arg2, res;
   11061              : 
   11062              :   /* Evaluate arguments only once.  */
   11063         3888 :   conv_ieee_function_args (se, expr, args, 2);
   11064         3888 :   arg1 = gfc_evaluate_now (args[0], &se->pre);
   11065         3888 :   arg2 = gfc_evaluate_now (args[1], &se->pre);
   11066              : 
   11067         3888 :   if (startswith (name, "eq"))
   11068              :     {
   11069          648 :       if (signaling)
   11070          324 :         res = build_call_expr_loc (input_location,
   11071              :                                    builtin_decl_explicit (BUILT_IN_ISEQSIG),
   11072              :                                    2, arg1, arg2);
   11073              :       else
   11074          324 :         res = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
   11075              :                                arg1, arg2);
   11076              :     }
   11077         3240 :   else if (startswith (name, "ne"))
   11078              :     {
   11079          648 :       if (signaling)
   11080              :         {
   11081          324 :           res = build_call_expr_loc (input_location,
   11082              :                                      builtin_decl_explicit (BUILT_IN_ISEQSIG),
   11083              :                                      2, arg1, arg2);
   11084          324 :           res = fold_build1_loc (input_location, TRUTH_NOT_EXPR,
   11085              :                                  logical_type_node, res);
   11086              :         }
   11087              :       else
   11088          324 :         res = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
   11089              :                                arg1, arg2);
   11090              :     }
   11091         2592 :   else if (startswith (name, "ge"))
   11092              :     {
   11093          648 :       if (signaling)
   11094          324 :         res = fold_build2_loc (input_location, GE_EXPR, logical_type_node,
   11095              :                                arg1, arg2);
   11096              :       else
   11097          324 :         res = build_call_expr_loc (input_location,
   11098              :                                    builtin_decl_explicit (BUILT_IN_ISGREATEREQUAL),
   11099              :                                    2, arg1, arg2);
   11100              :     }
   11101         1944 :   else if (startswith (name, "gt"))
   11102              :     {
   11103          648 :       if (signaling)
   11104          324 :         res = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
   11105              :                                arg1, arg2);
   11106              :       else
   11107          324 :         res = build_call_expr_loc (input_location,
   11108              :                                    builtin_decl_explicit (BUILT_IN_ISGREATER),
   11109              :                                    2, arg1, arg2);
   11110              :     }
   11111         1296 :   else if (startswith (name, "le"))
   11112              :     {
   11113          648 :       if (signaling)
   11114          324 :         res = fold_build2_loc (input_location, LE_EXPR, logical_type_node,
   11115              :                                arg1, arg2);
   11116              :       else
   11117          324 :         res = build_call_expr_loc (input_location,
   11118              :                                    builtin_decl_explicit (BUILT_IN_ISLESSEQUAL),
   11119              :                                    2, arg1, arg2);
   11120              :     }
   11121          648 :   else if (startswith (name, "lt"))
   11122              :     {
   11123          648 :       if (signaling)
   11124          324 :         res = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
   11125              :                                arg1, arg2);
   11126              :       else
   11127          324 :         res = build_call_expr_loc (input_location,
   11128              :                                    builtin_decl_explicit (BUILT_IN_ISLESS),
   11129              :                                    2, arg1, arg2);
   11130              :     }
   11131              :   else
   11132            0 :     gcc_unreachable ();
   11133              : 
   11134         3888 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), res);
   11135         3888 : }
   11136              : 
   11137              : 
   11138              : /* Generate code for an intrinsic function from the IEEE_ARITHMETIC
   11139              :    module.  */
   11140              : 
   11141              : bool
   11142        13939 : gfc_conv_ieee_arithmetic_function (gfc_se * se, gfc_expr * expr)
   11143              : {
   11144        13939 :   const char *name = expr->value.function.name;
   11145              : 
   11146        13939 :   if (startswith (name, "_gfortran_ieee_is_nan"))
   11147          522 :     conv_intrinsic_ieee_builtin (se, expr, BUILT_IN_ISNAN, 1);
   11148        13417 :   else if (startswith (name, "_gfortran_ieee_is_finite"))
   11149          372 :     conv_intrinsic_ieee_builtin (se, expr, BUILT_IN_ISFINITE, 1);
   11150        13045 :   else if (startswith (name, "_gfortran_ieee_unordered"))
   11151          168 :     conv_intrinsic_ieee_builtin (se, expr, BUILT_IN_ISUNORDERED, 2);
   11152        12877 :   else if (startswith (name, "_gfortran_ieee_signbit"))
   11153          624 :     conv_intrinsic_ieee_signbit (se, expr);
   11154        12253 :   else if (startswith (name, "_gfortran_ieee_is_normal"))
   11155          312 :     conv_intrinsic_ieee_is_normal (se, expr);
   11156        11941 :   else if (startswith (name, "_gfortran_ieee_is_negative"))
   11157          312 :     conv_intrinsic_ieee_is_negative (se, expr);
   11158        11629 :   else if (startswith (name, "_gfortran_ieee_copy_sign"))
   11159          576 :     conv_intrinsic_ieee_copy_sign (se, expr);
   11160        11053 :   else if (startswith (name, "_gfortran_ieee_scalb"))
   11161          228 :     conv_intrinsic_ieee_scalb (se, expr);
   11162        10825 :   else if (startswith (name, "_gfortran_ieee_next_after"))
   11163          180 :     conv_intrinsic_ieee_next_after (se, expr);
   11164        10645 :   else if (startswith (name, "_gfortran_ieee_rem"))
   11165           84 :     conv_intrinsic_ieee_rem (se, expr);
   11166        10561 :   else if (startswith (name, "_gfortran_ieee_logb"))
   11167          144 :     conv_intrinsic_ieee_logb_rint (se, expr, BUILT_IN_LOGB);
   11168        10417 :   else if (startswith (name, "_gfortran_ieee_rint"))
   11169           96 :     conv_intrinsic_ieee_logb_rint (se, expr, BUILT_IN_RINT);
   11170        10321 :   else if (startswith (name, "ieee_class_") && ISDIGIT (name[11]))
   11171          648 :     conv_intrinsic_ieee_class (se, expr);
   11172         9673 :   else if (startswith (name, "ieee_value_") && ISDIGIT (name[11]))
   11173         1111 :     conv_intrinsic_ieee_value (se, expr);
   11174         8562 :   else if (startswith (name, "_gfortran_ieee_fma"))
   11175          120 :     conv_intrinsic_ieee_fma (se, expr);
   11176         8442 :   else if (startswith (name, "_gfortran_ieee_min_num_"))
   11177         1536 :     conv_intrinsic_ieee_minmax (se, expr, 0, name + 23);
   11178         6906 :   else if (startswith (name, "_gfortran_ieee_max_num_"))
   11179         1536 :     conv_intrinsic_ieee_minmax (se, expr, 1, name + 23);
   11180         5370 :   else if (startswith (name, "_gfortran_ieee_quiet_"))
   11181         1944 :     conv_intrinsic_ieee_comparison (se, expr, 0, name + 21);
   11182         3426 :   else if (startswith (name, "_gfortran_ieee_signaling_"))
   11183         1944 :     conv_intrinsic_ieee_comparison (se, expr, 1, name + 25);
   11184              :   else
   11185              :     /* It is not among the functions we translate directly.  We return
   11186              :        false, so a library function call is emitted.  */
   11187              :     return false;
   11188              : 
   11189              :   return true;
   11190              : }
   11191              : 
   11192              : 
   11193              : /* Generate a direct call to malloc() for the MALLOC intrinsic.  */
   11194              : 
   11195              : static void
   11196           16 : gfc_conv_intrinsic_malloc (gfc_se * se, gfc_expr * expr)
   11197              : {
   11198           16 :   tree arg, res, restype;
   11199              : 
   11200           16 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
   11201           16 :   arg = fold_convert (size_type_node, arg);
   11202           16 :   res = build_call_expr_loc (input_location,
   11203              :                              builtin_decl_explicit (BUILT_IN_MALLOC), 1, arg);
   11204           16 :   restype = gfc_typenode_for_spec (&expr->ts);
   11205           16 :   se->expr = fold_convert (restype, res);
   11206           16 : }
   11207              : 
   11208              : 
   11209              : /* Generate code for an intrinsic function.  Some map directly to library
   11210              :    calls, others get special handling.  In some cases the name of the function
   11211              :    used depends on the type specifiers.  */
   11212              : 
   11213              : void
   11214       266180 : gfc_conv_intrinsic_function (gfc_se * se, gfc_expr * expr)
   11215              : {
   11216       266180 :   const char *name;
   11217       266180 :   int lib, kind;
   11218       266180 :   tree fndecl;
   11219              : 
   11220       266180 :   name = &expr->value.function.name[2];
   11221              : 
   11222       266180 :   if (expr->rank > 0)
   11223              :     {
   11224        50520 :       lib = gfc_is_intrinsic_libcall (expr);
   11225        50520 :       if (lib != 0)
   11226              :         {
   11227        19200 :           if (lib == 1)
   11228        11798 :             se->ignore_optional = 1;
   11229              : 
   11230        19200 :           switch (expr->value.function.isym->id)
   11231              :             {
   11232         5843 :             case GFC_ISYM_EOSHIFT:
   11233         5843 :             case GFC_ISYM_PACK:
   11234         5843 :             case GFC_ISYM_RESHAPE:
   11235         5843 :             case GFC_ISYM_REDUCE:
   11236              :               /* For all of those the first argument specifies the type and the
   11237              :                  third is optional.  */
   11238         5843 :               conv_generic_with_optional_char_arg (se, expr, 1, 3);
   11239         5843 :               break;
   11240              : 
   11241         1116 :             case GFC_ISYM_FINDLOC:
   11242         1116 :               gfc_conv_intrinsic_findloc (se, expr);
   11243         1116 :               break;
   11244              : 
   11245         2935 :             case GFC_ISYM_MINLOC:
   11246         2935 :               gfc_conv_intrinsic_minmaxloc (se, expr, LT_EXPR);
   11247         2935 :               break;
   11248              : 
   11249         2439 :             case GFC_ISYM_MAXLOC:
   11250         2439 :               gfc_conv_intrinsic_minmaxloc (se, expr, GT_EXPR);
   11251         2439 :               break;
   11252              : 
   11253         6867 :             default:
   11254         6867 :               gfc_conv_intrinsic_funcall (se, expr);
   11255         6867 :               break;
   11256              :             }
   11257              : 
   11258        19200 :           return;
   11259              :         }
   11260              :     }
   11261              : 
   11262       246980 :   switch (expr->value.function.isym->id)
   11263              :     {
   11264            0 :     case GFC_ISYM_NONE:
   11265            0 :       gcc_unreachable ();
   11266              : 
   11267          529 :     case GFC_ISYM_REPEAT:
   11268          529 :       gfc_conv_intrinsic_repeat (se, expr);
   11269          529 :       break;
   11270              : 
   11271          578 :     case GFC_ISYM_TRIM:
   11272          578 :       gfc_conv_intrinsic_trim (se, expr);
   11273          578 :       break;
   11274              : 
   11275           42 :     case GFC_ISYM_SC_KIND:
   11276           42 :       gfc_conv_intrinsic_sc_kind (se, expr);
   11277           42 :       break;
   11278              : 
   11279           45 :     case GFC_ISYM_SI_KIND:
   11280           45 :       gfc_conv_intrinsic_si_kind (se, expr);
   11281           45 :       break;
   11282              : 
   11283            6 :     case GFC_ISYM_SL_KIND:
   11284            6 :       gfc_conv_intrinsic_sl_kind (se, expr);
   11285            6 :       break;
   11286              : 
   11287           82 :     case GFC_ISYM_SR_KIND:
   11288           82 :       gfc_conv_intrinsic_sr_kind (se, expr);
   11289           82 :       break;
   11290              : 
   11291          228 :     case GFC_ISYM_EXPONENT:
   11292          228 :       gfc_conv_intrinsic_exponent (se, expr);
   11293          228 :       break;
   11294              : 
   11295          316 :     case GFC_ISYM_SCAN:
   11296          316 :       kind = expr->value.function.actual->expr->ts.kind;
   11297          316 :       if (kind == 1)
   11298          250 :        fndecl = gfor_fndecl_string_scan;
   11299           66 :       else if (kind == 4)
   11300           66 :        fndecl = gfor_fndecl_string_scan_char4;
   11301              :       else
   11302            0 :        gcc_unreachable ();
   11303              : 
   11304          316 :       gfc_conv_intrinsic_index_scan_verify (se, expr, fndecl);
   11305          316 :       break;
   11306              : 
   11307           94 :     case GFC_ISYM_VERIFY:
   11308           94 :       kind = expr->value.function.actual->expr->ts.kind;
   11309           94 :       if (kind == 1)
   11310           70 :        fndecl = gfor_fndecl_string_verify;
   11311           24 :       else if (kind == 4)
   11312           24 :        fndecl = gfor_fndecl_string_verify_char4;
   11313              :       else
   11314            0 :        gcc_unreachable ();
   11315              : 
   11316           94 :       gfc_conv_intrinsic_index_scan_verify (se, expr, fndecl);
   11317           94 :       break;
   11318              : 
   11319         7405 :     case GFC_ISYM_ALLOCATED:
   11320         7405 :       gfc_conv_allocated (se, expr);
   11321         7405 :       break;
   11322              : 
   11323         9581 :     case GFC_ISYM_ASSOCIATED:
   11324         9581 :       gfc_conv_associated(se, expr);
   11325         9581 :       break;
   11326              : 
   11327          409 :     case GFC_ISYM_SAME_TYPE_AS:
   11328          409 :       gfc_conv_same_type_as (se, expr);
   11329          409 :       break;
   11330              : 
   11331         7980 :     case GFC_ISYM_ABS:
   11332         7980 :       gfc_conv_intrinsic_abs (se, expr);
   11333         7980 :       break;
   11334              : 
   11335          345 :     case GFC_ISYM_ADJUSTL:
   11336          345 :       if (expr->ts.kind == 1)
   11337          291 :        fndecl = gfor_fndecl_adjustl;
   11338           54 :       else if (expr->ts.kind == 4)
   11339           54 :        fndecl = gfor_fndecl_adjustl_char4;
   11340              :       else
   11341            0 :        gcc_unreachable ();
   11342              : 
   11343          345 :       gfc_conv_intrinsic_adjust (se, expr, fndecl);
   11344          345 :       break;
   11345              : 
   11346          123 :     case GFC_ISYM_ADJUSTR:
   11347          123 :       if (expr->ts.kind == 1)
   11348           68 :        fndecl = gfor_fndecl_adjustr;
   11349           55 :       else if (expr->ts.kind == 4)
   11350           55 :        fndecl = gfor_fndecl_adjustr_char4;
   11351              :       else
   11352            0 :        gcc_unreachable ();
   11353              : 
   11354          123 :       gfc_conv_intrinsic_adjust (se, expr, fndecl);
   11355          123 :       break;
   11356              : 
   11357          440 :     case GFC_ISYM_AIMAG:
   11358          440 :       gfc_conv_intrinsic_imagpart (se, expr);
   11359          440 :       break;
   11360              : 
   11361          146 :     case GFC_ISYM_AINT:
   11362          146 :       gfc_conv_intrinsic_aint (se, expr, RND_TRUNC);
   11363          146 :       break;
   11364              : 
   11365          420 :     case GFC_ISYM_ALL:
   11366          420 :       gfc_conv_intrinsic_anyall (se, expr, EQ_EXPR);
   11367          420 :       break;
   11368              : 
   11369           74 :     case GFC_ISYM_ANINT:
   11370           74 :       gfc_conv_intrinsic_aint (se, expr, RND_ROUND);
   11371           74 :       break;
   11372              : 
   11373           12 :     case GFC_ISYM_AND:
   11374           12 :       gfc_conv_intrinsic_bitop (se, expr, BIT_AND_EXPR);
   11375           12 :       break;
   11376              : 
   11377        38143 :     case GFC_ISYM_ANY:
   11378        38143 :       gfc_conv_intrinsic_anyall (se, expr, NE_EXPR);
   11379        38143 :       break;
   11380              : 
   11381          270 :     case GFC_ISYM_ACOSD:
   11382          270 :     case GFC_ISYM_ASIND:
   11383          270 :     case GFC_ISYM_ATAND:
   11384          270 :       gfc_conv_intrinsic_atrigd (se, expr, expr->value.function.isym->id);
   11385          270 :       break;
   11386              : 
   11387          102 :     case GFC_ISYM_COTAN:
   11388          102 :       gfc_conv_intrinsic_cotan (se, expr);
   11389          102 :       break;
   11390              : 
   11391          108 :     case GFC_ISYM_COTAND:
   11392          108 :       gfc_conv_intrinsic_cotand (se, expr);
   11393          108 :       break;
   11394              : 
   11395          138 :     case GFC_ISYM_ATAN2D:
   11396          138 :       gfc_conv_intrinsic_atan2d (se, expr);
   11397          138 :       break;
   11398              : 
   11399          145 :     case GFC_ISYM_BTEST:
   11400          145 :       gfc_conv_intrinsic_btest (se, expr);
   11401          145 :       break;
   11402              : 
   11403           54 :     case GFC_ISYM_BGE:
   11404           54 :       gfc_conv_intrinsic_bitcomp (se, expr, GE_EXPR);
   11405           54 :       break;
   11406              : 
   11407           54 :     case GFC_ISYM_BGT:
   11408           54 :       gfc_conv_intrinsic_bitcomp (se, expr, GT_EXPR);
   11409           54 :       break;
   11410              : 
   11411           54 :     case GFC_ISYM_BLE:
   11412           54 :       gfc_conv_intrinsic_bitcomp (se, expr, LE_EXPR);
   11413           54 :       break;
   11414              : 
   11415           54 :     case GFC_ISYM_BLT:
   11416           54 :       gfc_conv_intrinsic_bitcomp (se, expr, LT_EXPR);
   11417           54 :       break;
   11418              : 
   11419         9879 :     case GFC_ISYM_C_ASSOCIATED:
   11420         9879 :     case GFC_ISYM_C_FUNLOC:
   11421         9879 :     case GFC_ISYM_C_LOC:
   11422         9879 :     case GFC_ISYM_F_C_STRING:
   11423         9879 :       conv_isocbinding_function (se, expr);
   11424         9879 :       break;
   11425              : 
   11426         2020 :     case GFC_ISYM_ACHAR:
   11427         2020 :     case GFC_ISYM_CHAR:
   11428         2020 :       gfc_conv_intrinsic_char (se, expr);
   11429         2020 :       break;
   11430              : 
   11431        40447 :     case GFC_ISYM_CONVERSION:
   11432        40447 :     case GFC_ISYM_DBLE:
   11433        40447 :     case GFC_ISYM_DFLOAT:
   11434        40447 :     case GFC_ISYM_FLOAT:
   11435        40447 :     case GFC_ISYM_LOGICAL:
   11436        40447 :     case GFC_ISYM_REAL:
   11437        40447 :     case GFC_ISYM_REALPART:
   11438        40447 :     case GFC_ISYM_SNGL:
   11439        40447 :       gfc_conv_intrinsic_conversion (se, expr);
   11440        40447 :       break;
   11441              : 
   11442              :       /* Integer conversions are handled separately to make sure we get the
   11443              :          correct rounding mode.  */
   11444         2836 :     case GFC_ISYM_INT:
   11445         2836 :     case GFC_ISYM_INT2:
   11446         2836 :     case GFC_ISYM_INT8:
   11447         2836 :     case GFC_ISYM_LONG:
   11448         2836 :     case GFC_ISYM_UINT:
   11449         2836 :       gfc_conv_intrinsic_int (se, expr, RND_TRUNC);
   11450         2836 :       break;
   11451              : 
   11452          162 :     case GFC_ISYM_NINT:
   11453          162 :       gfc_conv_intrinsic_int (se, expr, RND_ROUND);
   11454          162 :       break;
   11455              : 
   11456           16 :     case GFC_ISYM_CEILING:
   11457           16 :       gfc_conv_intrinsic_int (se, expr, RND_CEIL);
   11458           16 :       break;
   11459              : 
   11460          116 :     case GFC_ISYM_FLOOR:
   11461          116 :       gfc_conv_intrinsic_int (se, expr, RND_FLOOR);
   11462          116 :       break;
   11463              : 
   11464         3318 :     case GFC_ISYM_MOD:
   11465         3318 :       gfc_conv_intrinsic_mod (se, expr, 0);
   11466         3318 :       break;
   11467              : 
   11468          442 :     case GFC_ISYM_MODULO:
   11469          442 :       gfc_conv_intrinsic_mod (se, expr, 1);
   11470          442 :       break;
   11471              : 
   11472         1006 :     case GFC_ISYM_CAF_GET:
   11473         1006 :       gfc_conv_intrinsic_caf_get (se, expr, NULL_TREE, false, NULL);
   11474         1006 :       break;
   11475              : 
   11476          167 :     case GFC_ISYM_CAF_IS_PRESENT_ON_REMOTE:
   11477          167 :       gfc_conv_intrinsic_caf_is_present_remote (se, expr);
   11478          167 :       break;
   11479              : 
   11480          485 :     case GFC_ISYM_CMPLX:
   11481          485 :       gfc_conv_intrinsic_cmplx (se, expr, name[5] == '1');
   11482          485 :       break;
   11483              : 
   11484           10 :     case GFC_ISYM_COMMAND_ARGUMENT_COUNT:
   11485           10 :       gfc_conv_intrinsic_iargc (se, expr);
   11486           10 :       break;
   11487              : 
   11488            6 :     case GFC_ISYM_COMPLEX:
   11489            6 :       gfc_conv_intrinsic_cmplx (se, expr, 1);
   11490            6 :       break;
   11491              : 
   11492          257 :     case GFC_ISYM_CONJG:
   11493          257 :       gfc_conv_intrinsic_conjg (se, expr);
   11494          257 :       break;
   11495              : 
   11496            4 :     case GFC_ISYM_COSHAPE:
   11497            4 :       conv_intrinsic_cobound (se, expr);
   11498            4 :       break;
   11499              : 
   11500          143 :     case GFC_ISYM_COUNT:
   11501          143 :       gfc_conv_intrinsic_count (se, expr);
   11502          143 :       break;
   11503              : 
   11504            0 :     case GFC_ISYM_CTIME:
   11505            0 :       gfc_conv_intrinsic_ctime (se, expr);
   11506            0 :       break;
   11507              : 
   11508           96 :     case GFC_ISYM_DIM:
   11509           96 :       gfc_conv_intrinsic_dim (se, expr);
   11510           96 :       break;
   11511              : 
   11512          113 :     case GFC_ISYM_DOT_PRODUCT:
   11513          113 :       gfc_conv_intrinsic_dot_product (se, expr);
   11514          113 :       break;
   11515              : 
   11516           13 :     case GFC_ISYM_DPROD:
   11517           13 :       gfc_conv_intrinsic_dprod (se, expr);
   11518           13 :       break;
   11519              : 
   11520           66 :     case GFC_ISYM_DSHIFTL:
   11521           66 :       gfc_conv_intrinsic_dshift (se, expr, true);
   11522           66 :       break;
   11523              : 
   11524           66 :     case GFC_ISYM_DSHIFTR:
   11525           66 :       gfc_conv_intrinsic_dshift (se, expr, false);
   11526           66 :       break;
   11527              : 
   11528            0 :     case GFC_ISYM_FDATE:
   11529            0 :       gfc_conv_intrinsic_fdate (se, expr);
   11530            0 :       break;
   11531              : 
   11532           60 :     case GFC_ISYM_FRACTION:
   11533           60 :       gfc_conv_intrinsic_fraction (se, expr);
   11534           60 :       break;
   11535              : 
   11536           24 :     case GFC_ISYM_IALL:
   11537           24 :       gfc_conv_intrinsic_arith (se, expr, BIT_AND_EXPR, false);
   11538           24 :       break;
   11539              : 
   11540          606 :     case GFC_ISYM_IAND:
   11541          606 :       gfc_conv_intrinsic_bitop (se, expr, BIT_AND_EXPR);
   11542          606 :       break;
   11543              : 
   11544           12 :     case GFC_ISYM_IANY:
   11545           12 :       gfc_conv_intrinsic_arith (se, expr, BIT_IOR_EXPR, false);
   11546           12 :       break;
   11547              : 
   11548          168 :     case GFC_ISYM_IBCLR:
   11549          168 :       gfc_conv_intrinsic_singlebitop (se, expr, 0);
   11550          168 :       break;
   11551              : 
   11552           27 :     case GFC_ISYM_IBITS:
   11553           27 :       gfc_conv_intrinsic_ibits (se, expr);
   11554           27 :       break;
   11555              : 
   11556          138 :     case GFC_ISYM_IBSET:
   11557          138 :       gfc_conv_intrinsic_singlebitop (se, expr, 1);
   11558          138 :       break;
   11559              : 
   11560         2033 :     case GFC_ISYM_IACHAR:
   11561         2033 :     case GFC_ISYM_ICHAR:
   11562              :       /* We assume ASCII character sequence.  */
   11563         2033 :       gfc_conv_intrinsic_ichar (se, expr);
   11564         2033 :       break;
   11565              : 
   11566            2 :     case GFC_ISYM_IARGC:
   11567            2 :       gfc_conv_intrinsic_iargc (se, expr);
   11568            2 :       break;
   11569              : 
   11570          694 :     case GFC_ISYM_IEOR:
   11571          694 :       gfc_conv_intrinsic_bitop (se, expr, BIT_XOR_EXPR);
   11572          694 :       break;
   11573              : 
   11574          341 :     case GFC_ISYM_INDEX:
   11575          341 :       kind = expr->value.function.actual->expr->ts.kind;
   11576          341 :       if (kind == 1)
   11577          275 :        fndecl = gfor_fndecl_string_index;
   11578           66 :       else if (kind == 4)
   11579           66 :        fndecl = gfor_fndecl_string_index_char4;
   11580              :       else
   11581            0 :        gcc_unreachable ();
   11582              : 
   11583          341 :       gfc_conv_intrinsic_index_scan_verify (se, expr, fndecl);
   11584          341 :       break;
   11585              : 
   11586          495 :     case GFC_ISYM_IOR:
   11587          495 :       gfc_conv_intrinsic_bitop (se, expr, BIT_IOR_EXPR);
   11588          495 :       break;
   11589              : 
   11590           12 :     case GFC_ISYM_IPARITY:
   11591           12 :       gfc_conv_intrinsic_arith (se, expr, BIT_XOR_EXPR, false);
   11592           12 :       break;
   11593              : 
   11594            6 :     case GFC_ISYM_IS_IOSTAT_END:
   11595            6 :       gfc_conv_has_intvalue (se, expr, LIBERROR_END);
   11596            6 :       break;
   11597              : 
   11598           18 :     case GFC_ISYM_IS_IOSTAT_EOR:
   11599           18 :       gfc_conv_has_intvalue (se, expr, LIBERROR_EOR);
   11600           18 :       break;
   11601              : 
   11602          735 :     case GFC_ISYM_IS_CONTIGUOUS:
   11603          735 :       gfc_conv_intrinsic_is_contiguous (se, expr);
   11604          735 :       break;
   11605              : 
   11606          432 :     case GFC_ISYM_ISNAN:
   11607          432 :       gfc_conv_intrinsic_isnan (se, expr);
   11608          432 :       break;
   11609              : 
   11610            8 :     case GFC_ISYM_KILL:
   11611            8 :       conv_intrinsic_kill (se, expr);
   11612            8 :       break;
   11613              : 
   11614           90 :     case GFC_ISYM_LSHIFT:
   11615           90 :       gfc_conv_intrinsic_shift (se, expr, false, false);
   11616           90 :       break;
   11617              : 
   11618           24 :     case GFC_ISYM_RSHIFT:
   11619           24 :       gfc_conv_intrinsic_shift (se, expr, true, true);
   11620           24 :       break;
   11621              : 
   11622           78 :     case GFC_ISYM_SHIFTA:
   11623           78 :       gfc_conv_intrinsic_shift (se, expr, true, true);
   11624           78 :       break;
   11625              : 
   11626          234 :     case GFC_ISYM_SHIFTL:
   11627          234 :       gfc_conv_intrinsic_shift (se, expr, false, false);
   11628          234 :       break;
   11629              : 
   11630           66 :     case GFC_ISYM_SHIFTR:
   11631           66 :       gfc_conv_intrinsic_shift (se, expr, true, false);
   11632           66 :       break;
   11633              : 
   11634          318 :     case GFC_ISYM_ISHFT:
   11635          318 :       gfc_conv_intrinsic_ishft (se, expr);
   11636          318 :       break;
   11637              : 
   11638          658 :     case GFC_ISYM_ISHFTC:
   11639          658 :       gfc_conv_intrinsic_ishftc (se, expr);
   11640          658 :       break;
   11641              : 
   11642          270 :     case GFC_ISYM_LEADZ:
   11643          270 :       gfc_conv_intrinsic_leadz (se, expr);
   11644          270 :       break;
   11645              : 
   11646          282 :     case GFC_ISYM_TRAILZ:
   11647          282 :       gfc_conv_intrinsic_trailz (se, expr);
   11648          282 :       break;
   11649              : 
   11650          103 :     case GFC_ISYM_POPCNT:
   11651          103 :       gfc_conv_intrinsic_popcnt_poppar (se, expr, 0);
   11652          103 :       break;
   11653              : 
   11654           31 :     case GFC_ISYM_POPPAR:
   11655           31 :       gfc_conv_intrinsic_popcnt_poppar (se, expr, 1);
   11656           31 :       break;
   11657              : 
   11658         5561 :     case GFC_ISYM_LBOUND:
   11659         5561 :       gfc_conv_intrinsic_bound (se, expr, GFC_ISYM_LBOUND);
   11660         5561 :       break;
   11661              : 
   11662          210 :     case GFC_ISYM_LCOBOUND:
   11663          210 :       conv_intrinsic_cobound (se, expr);
   11664          210 :       break;
   11665              : 
   11666          768 :     case GFC_ISYM_TRANSPOSE:
   11667              :       /* The scalarizer has already been set up for reversed dimension access
   11668              :          order ; now we just get the argument value normally.  */
   11669          768 :       gfc_conv_expr (se, expr->value.function.actual->expr);
   11670          768 :       break;
   11671              : 
   11672         5873 :     case GFC_ISYM_LEN:
   11673         5873 :       gfc_conv_intrinsic_len (se, expr);
   11674         5873 :       break;
   11675              : 
   11676         2340 :     case GFC_ISYM_LEN_TRIM:
   11677         2340 :       gfc_conv_intrinsic_len_trim (se, expr);
   11678         2340 :       break;
   11679              : 
   11680           18 :     case GFC_ISYM_LGE:
   11681           18 :       gfc_conv_intrinsic_strcmp (se, expr, GE_EXPR);
   11682           18 :       break;
   11683              : 
   11684           36 :     case GFC_ISYM_LGT:
   11685           36 :       gfc_conv_intrinsic_strcmp (se, expr, GT_EXPR);
   11686           36 :       break;
   11687              : 
   11688           18 :     case GFC_ISYM_LLE:
   11689           18 :       gfc_conv_intrinsic_strcmp (se, expr, LE_EXPR);
   11690           18 :       break;
   11691              : 
   11692           27 :     case GFC_ISYM_LLT:
   11693           27 :       gfc_conv_intrinsic_strcmp (se, expr, LT_EXPR);
   11694           27 :       break;
   11695              : 
   11696           16 :     case GFC_ISYM_MALLOC:
   11697           16 :       gfc_conv_intrinsic_malloc (se, expr);
   11698           16 :       break;
   11699              : 
   11700           32 :     case GFC_ISYM_MASKL:
   11701           32 :       gfc_conv_intrinsic_mask (se, expr, 1);
   11702           32 :       break;
   11703              : 
   11704           32 :     case GFC_ISYM_MASKR:
   11705           32 :       gfc_conv_intrinsic_mask (se, expr, 0);
   11706           32 :       break;
   11707              : 
   11708         1049 :     case GFC_ISYM_MAX:
   11709         1049 :       if (expr->ts.type == BT_CHARACTER)
   11710          138 :         gfc_conv_intrinsic_minmax_char (se, expr, 1);
   11711              :       else
   11712          911 :         gfc_conv_intrinsic_minmax (se, expr, GT_EXPR);
   11713              :       break;
   11714              : 
   11715         6348 :     case GFC_ISYM_MAXLOC:
   11716         6348 :       gfc_conv_intrinsic_minmaxloc (se, expr, GT_EXPR);
   11717         6348 :       break;
   11718              : 
   11719          216 :     case GFC_ISYM_FINDLOC:
   11720          216 :       gfc_conv_intrinsic_findloc (se, expr);
   11721          216 :       break;
   11722              : 
   11723         1101 :     case GFC_ISYM_MAXVAL:
   11724         1101 :       gfc_conv_intrinsic_minmaxval (se, expr, GT_EXPR);
   11725         1101 :       break;
   11726              : 
   11727          949 :     case GFC_ISYM_MERGE:
   11728          949 :       gfc_conv_intrinsic_merge (se, expr);
   11729          949 :       break;
   11730              : 
   11731           42 :     case GFC_ISYM_MERGE_BITS:
   11732           42 :       gfc_conv_intrinsic_merge_bits (se, expr);
   11733           42 :       break;
   11734              : 
   11735          598 :     case GFC_ISYM_MIN:
   11736          598 :       if (expr->ts.type == BT_CHARACTER)
   11737          144 :         gfc_conv_intrinsic_minmax_char (se, expr, -1);
   11738              :       else
   11739          454 :         gfc_conv_intrinsic_minmax (se, expr, LT_EXPR);
   11740              :       break;
   11741              : 
   11742         7176 :     case GFC_ISYM_MINLOC:
   11743         7176 :       gfc_conv_intrinsic_minmaxloc (se, expr, LT_EXPR);
   11744         7176 :       break;
   11745              : 
   11746         1316 :     case GFC_ISYM_MINVAL:
   11747         1316 :       gfc_conv_intrinsic_minmaxval (se, expr, LT_EXPR);
   11748         1316 :       break;
   11749              : 
   11750         1595 :     case GFC_ISYM_NEAREST:
   11751         1595 :       gfc_conv_intrinsic_nearest (se, expr);
   11752         1595 :       break;
   11753              : 
   11754           68 :     case GFC_ISYM_NORM2:
   11755           68 :       gfc_conv_intrinsic_arith (se, expr, PLUS_EXPR, true);
   11756           68 :       break;
   11757              : 
   11758          230 :     case GFC_ISYM_NOT:
   11759          230 :       gfc_conv_intrinsic_not (se, expr);
   11760          230 :       break;
   11761              : 
   11762           12 :     case GFC_ISYM_OR:
   11763           12 :       gfc_conv_intrinsic_bitop (se, expr, BIT_IOR_EXPR);
   11764           12 :       break;
   11765              : 
   11766          468 :     case GFC_ISYM_OUT_OF_RANGE:
   11767          468 :       gfc_conv_intrinsic_out_of_range (se, expr);
   11768          468 :       break;
   11769              : 
   11770           36 :     case GFC_ISYM_PARITY:
   11771           36 :       gfc_conv_intrinsic_arith (se, expr, NE_EXPR, false);
   11772           36 :       break;
   11773              : 
   11774         5070 :     case GFC_ISYM_PRESENT:
   11775         5070 :       gfc_conv_intrinsic_present (se, expr);
   11776         5070 :       break;
   11777              : 
   11778          358 :     case GFC_ISYM_PRODUCT:
   11779          358 :       gfc_conv_intrinsic_arith (se, expr, MULT_EXPR, false);
   11780          358 :       break;
   11781              : 
   11782        13016 :     case GFC_ISYM_RANK:
   11783        13016 :       gfc_conv_intrinsic_rank (se, expr);
   11784        13016 :       break;
   11785              : 
   11786           48 :     case GFC_ISYM_RRSPACING:
   11787           48 :       gfc_conv_intrinsic_rrspacing (se, expr);
   11788           48 :       break;
   11789              : 
   11790          262 :     case GFC_ISYM_SET_EXPONENT:
   11791          262 :       gfc_conv_intrinsic_set_exponent (se, expr);
   11792          262 :       break;
   11793              : 
   11794           72 :     case GFC_ISYM_SCALE:
   11795           72 :       gfc_conv_intrinsic_scale (se, expr);
   11796           72 :       break;
   11797              : 
   11798         4988 :     case GFC_ISYM_SHAPE:
   11799         4988 :       gfc_conv_intrinsic_bound (se, expr, GFC_ISYM_SHAPE);
   11800         4988 :       break;
   11801              : 
   11802          423 :     case GFC_ISYM_SIGN:
   11803          423 :       gfc_conv_intrinsic_sign (se, expr);
   11804          423 :       break;
   11805              : 
   11806        15409 :     case GFC_ISYM_SIZE:
   11807        15409 :       gfc_conv_intrinsic_size (se, expr);
   11808        15409 :       break;
   11809              : 
   11810         1309 :     case GFC_ISYM_SIZEOF:
   11811         1309 :     case GFC_ISYM_C_SIZEOF:
   11812         1309 :       gfc_conv_intrinsic_sizeof (se, expr);
   11813         1309 :       break;
   11814              : 
   11815          859 :     case GFC_ISYM_STORAGE_SIZE:
   11816          859 :       gfc_conv_intrinsic_storage_size (se, expr);
   11817          859 :       break;
   11818              : 
   11819           70 :     case GFC_ISYM_SPACING:
   11820           70 :       gfc_conv_intrinsic_spacing (se, expr);
   11821           70 :       break;
   11822              : 
   11823         2357 :     case GFC_ISYM_STRIDE:
   11824         2357 :       conv_intrinsic_stride (se, expr);
   11825         2357 :       break;
   11826              : 
   11827         2005 :     case GFC_ISYM_SUM:
   11828         2005 :       gfc_conv_intrinsic_arith (se, expr, PLUS_EXPR, false);
   11829         2005 :       break;
   11830              : 
   11831           21 :     case GFC_ISYM_TEAM_NUMBER:
   11832           21 :       conv_intrinsic_team_number (se, expr);
   11833           21 :       break;
   11834              : 
   11835         4195 :     case GFC_ISYM_TRANSFER:
   11836         4195 :       if (se->ss && se->ss->info->useflags)
   11837              :         /* Access the previously obtained result.  */
   11838          281 :         gfc_conv_tmp_array_ref (se);
   11839              :       else
   11840         3914 :         gfc_conv_intrinsic_transfer (se, expr);
   11841              :       break;
   11842              : 
   11843            0 :     case GFC_ISYM_TTYNAM:
   11844            0 :       gfc_conv_intrinsic_ttynam (se, expr);
   11845            0 :       break;
   11846              : 
   11847         5748 :     case GFC_ISYM_UBOUND:
   11848         5748 :       gfc_conv_intrinsic_bound (se, expr, GFC_ISYM_UBOUND);
   11849         5748 :       break;
   11850              : 
   11851          244 :     case GFC_ISYM_UCOBOUND:
   11852          244 :       conv_intrinsic_cobound (se, expr);
   11853          244 :       break;
   11854              : 
   11855           18 :     case GFC_ISYM_XOR:
   11856           18 :       gfc_conv_intrinsic_bitop (se, expr, BIT_XOR_EXPR);
   11857           18 :       break;
   11858              : 
   11859         8908 :     case GFC_ISYM_LOC:
   11860         8908 :       gfc_conv_intrinsic_loc (se, expr);
   11861         8908 :       break;
   11862              : 
   11863         1506 :     case GFC_ISYM_THIS_IMAGE:
   11864              :       /* For num_images() == 1, handle as LCOBOUND.  */
   11865         1506 :       if (expr->value.function.actual->expr
   11866          526 :           && flag_coarray == GFC_FCOARRAY_SINGLE)
   11867          208 :         conv_intrinsic_cobound (se, expr);
   11868              :       else
   11869         1298 :         trans_this_image (se, expr);
   11870              :       break;
   11871              : 
   11872          193 :     case GFC_ISYM_IMAGE_INDEX:
   11873          193 :       trans_image_index (se, expr);
   11874          193 :       break;
   11875              : 
   11876           25 :     case GFC_ISYM_IMAGE_STATUS:
   11877           25 :       conv_intrinsic_image_status (se, expr);
   11878           25 :       break;
   11879              : 
   11880          810 :     case GFC_ISYM_NUM_IMAGES:
   11881          810 :       trans_num_images (se, expr);
   11882          810 :       break;
   11883              : 
   11884         1394 :     case GFC_ISYM_ACCESS:
   11885         1394 :     case GFC_ISYM_CHDIR:
   11886         1394 :     case GFC_ISYM_CHMOD:
   11887         1394 :     case GFC_ISYM_DTIME:
   11888         1394 :     case GFC_ISYM_ETIME:
   11889         1394 :     case GFC_ISYM_EXTENDS_TYPE_OF:
   11890         1394 :     case GFC_ISYM_FGET:
   11891         1394 :     case GFC_ISYM_FGETC:
   11892         1394 :     case GFC_ISYM_FNUM:
   11893         1394 :     case GFC_ISYM_FPUT:
   11894         1394 :     case GFC_ISYM_FPUTC:
   11895         1394 :     case GFC_ISYM_FSTAT:
   11896         1394 :     case GFC_ISYM_FTELL:
   11897         1394 :     case GFC_ISYM_GETCWD:
   11898         1394 :     case GFC_ISYM_GETGID:
   11899         1394 :     case GFC_ISYM_GETPID:
   11900         1394 :     case GFC_ISYM_GETUID:
   11901         1394 :     case GFC_ISYM_GET_TEAM:
   11902         1394 :     case GFC_ISYM_HOSTNM:
   11903         1394 :     case GFC_ISYM_IERRNO:
   11904         1394 :     case GFC_ISYM_IRAND:
   11905         1394 :     case GFC_ISYM_ISATTY:
   11906         1394 :     case GFC_ISYM_JN2:
   11907         1394 :     case GFC_ISYM_LINK:
   11908         1394 :     case GFC_ISYM_LSTAT:
   11909         1394 :     case GFC_ISYM_MATMUL:
   11910         1394 :     case GFC_ISYM_MCLOCK:
   11911         1394 :     case GFC_ISYM_MCLOCK8:
   11912         1394 :     case GFC_ISYM_RAND:
   11913         1394 :     case GFC_ISYM_REDUCE:
   11914         1394 :     case GFC_ISYM_RENAME:
   11915         1394 :     case GFC_ISYM_SECOND:
   11916         1394 :     case GFC_ISYM_SECNDS:
   11917         1394 :     case GFC_ISYM_SIGNAL:
   11918         1394 :     case GFC_ISYM_STAT:
   11919         1394 :     case GFC_ISYM_SYMLNK:
   11920         1394 :     case GFC_ISYM_SYSTEM:
   11921         1394 :     case GFC_ISYM_TIME:
   11922         1394 :     case GFC_ISYM_TIME8:
   11923         1394 :     case GFC_ISYM_UMASK:
   11924         1394 :     case GFC_ISYM_UNLINK:
   11925         1394 :     case GFC_ISYM_YN2:
   11926         1394 :       gfc_conv_intrinsic_funcall (se, expr);
   11927         1394 :       break;
   11928              : 
   11929            0 :     case GFC_ISYM_EOSHIFT:
   11930            0 :     case GFC_ISYM_PACK:
   11931            0 :     case GFC_ISYM_RESHAPE:
   11932              :       /* For those, expr->rank should always be >0 and thus the if above the
   11933              :          switch should have matched.  */
   11934            0 :       gcc_unreachable ();
   11935         3927 :       break;
   11936              : 
   11937         3927 :     default:
   11938         3927 :       gfc_conv_intrinsic_lib_function (se, expr);
   11939         3927 :       break;
   11940              :     }
   11941              : }
   11942              : 
   11943              : 
   11944              : static gfc_ss *
   11945         1680 : walk_inline_intrinsic_transpose (gfc_ss *ss, gfc_expr *expr)
   11946              : {
   11947         1680 :   gfc_ss *arg_ss, *tmp_ss;
   11948         1680 :   gfc_actual_arglist *arg;
   11949              : 
   11950         1680 :   arg = expr->value.function.actual;
   11951              : 
   11952         1680 :   gcc_assert (arg->expr);
   11953              : 
   11954         1680 :   arg_ss = gfc_walk_subexpr (gfc_ss_terminator, arg->expr);
   11955         1680 :   gcc_assert (arg_ss != gfc_ss_terminator);
   11956              : 
   11957              :   for (tmp_ss = arg_ss; ; tmp_ss = tmp_ss->next)
   11958              :     {
   11959         1785 :       if (tmp_ss->info->type != GFC_SS_SCALAR
   11960              :           && tmp_ss->info->type != GFC_SS_REFERENCE)
   11961              :         {
   11962         1748 :           gcc_assert (tmp_ss->dimen == 2);
   11963              : 
   11964              :           /* We just invert dimensions.  */
   11965         1748 :           std::swap (tmp_ss->dim[0], tmp_ss->dim[1]);
   11966              :         }
   11967              : 
   11968              :       /* Stop when tmp_ss points to the last valid element of the chain...  */
   11969         1785 :       if (tmp_ss->next == gfc_ss_terminator)
   11970              :         break;
   11971              :     }
   11972              : 
   11973              :   /* ... so that we can attach the rest of the chain to it.  */
   11974         1680 :   tmp_ss->next = ss;
   11975              : 
   11976         1680 :   return arg_ss;
   11977              : }
   11978              : 
   11979              : 
   11980              : /* Move the given dimension of the given gfc_ss list to a nested gfc_ss list.
   11981              :    This has the side effect of reversing the nested list, so there is no
   11982              :    need to call gfc_reverse_ss on it (the given list is assumed not to be
   11983              :    reversed yet).   */
   11984              : 
   11985              : static gfc_ss *
   11986         3371 : nest_loop_dimension (gfc_ss *ss, int dim)
   11987              : {
   11988         3371 :   int ss_dim, i;
   11989         3371 :   gfc_ss *new_ss, *prev_ss = gfc_ss_terminator;
   11990         3371 :   gfc_loopinfo *new_loop;
   11991              : 
   11992         3371 :   gcc_assert (ss != gfc_ss_terminator);
   11993              : 
   11994         8118 :   for (; ss != gfc_ss_terminator; ss = ss->next)
   11995              :     {
   11996         4747 :       new_ss = gfc_get_ss ();
   11997         4747 :       new_ss->next = prev_ss;
   11998         4747 :       new_ss->parent = ss;
   11999         4747 :       new_ss->info = ss->info;
   12000         4747 :       new_ss->info->refcount++;
   12001         4747 :       if (ss->dimen != 0)
   12002              :         {
   12003         4684 :           gcc_assert (ss->info->type != GFC_SS_SCALAR
   12004              :                       && ss->info->type != GFC_SS_REFERENCE);
   12005              : 
   12006         4684 :           new_ss->dimen = 1;
   12007         4684 :           new_ss->dim[0] = ss->dim[dim];
   12008              : 
   12009         4684 :           gcc_assert (dim < ss->dimen);
   12010              : 
   12011         4684 :           ss_dim = --ss->dimen;
   12012        10430 :           for (i = dim; i < ss_dim; i++)
   12013         5746 :             ss->dim[i] = ss->dim[i + 1];
   12014              : 
   12015         4684 :           ss->dim[ss_dim] = 0;
   12016              :         }
   12017         4747 :       prev_ss = new_ss;
   12018              : 
   12019         4747 :       if (ss->nested_ss)
   12020              :         {
   12021           81 :           ss->nested_ss->parent = new_ss;
   12022           81 :           new_ss->nested_ss = ss->nested_ss;
   12023              :         }
   12024         4747 :       ss->nested_ss = new_ss;
   12025              :     }
   12026              : 
   12027         3371 :   new_loop = gfc_get_loopinfo ();
   12028         3371 :   gfc_init_loopinfo (new_loop);
   12029              : 
   12030         3371 :   gcc_assert (prev_ss != NULL);
   12031         3371 :   gcc_assert (prev_ss != gfc_ss_terminator);
   12032         3371 :   gfc_add_ss_to_loop (new_loop, prev_ss);
   12033         3371 :   return new_ss->parent;
   12034              : }
   12035              : 
   12036              : 
   12037              : /* Create the gfc_ss list for the SUM/PRODUCT arguments when the function
   12038              :    is to be inlined.  */
   12039              : 
   12040              : static gfc_ss *
   12041          575 : walk_inline_intrinsic_arith (gfc_ss *ss, gfc_expr *expr)
   12042              : {
   12043          575 :   gfc_ss *tmp_ss, *tail, *array_ss;
   12044          575 :   gfc_actual_arglist *arg1, *arg2, *arg3;
   12045          575 :   int sum_dim;
   12046          575 :   bool scalar_mask = false;
   12047              : 
   12048              :   /* The rank of the result will be determined later.  */
   12049          575 :   arg1 = expr->value.function.actual;
   12050          575 :   arg2 = arg1->next;
   12051          575 :   arg3 = arg2->next;
   12052          575 :   gcc_assert (arg3 != NULL);
   12053              : 
   12054          575 :   if (expr->rank == 0)
   12055              :     return ss;
   12056              : 
   12057          575 :   tmp_ss = gfc_ss_terminator;
   12058              : 
   12059          575 :   if (arg3->expr)
   12060              :     {
   12061          118 :       gfc_ss *mask_ss;
   12062              : 
   12063          118 :       mask_ss = gfc_walk_subexpr (tmp_ss, arg3->expr);
   12064          118 :       if (mask_ss == tmp_ss)
   12065           34 :         scalar_mask = 1;
   12066              : 
   12067              :       tmp_ss = mask_ss;
   12068              :     }
   12069              : 
   12070          575 :   array_ss = gfc_walk_subexpr (tmp_ss, arg1->expr);
   12071          575 :   gcc_assert (array_ss != tmp_ss);
   12072              : 
   12073              :   /* Odd thing: If the mask is scalar, it is used by the frontend after
   12074              :      the array (to make an if around the nested loop). Thus it shall
   12075              :      be after array_ss once the gfc_ss list is reversed.  */
   12076          575 :   if (scalar_mask)
   12077           34 :     tmp_ss = gfc_get_scalar_ss (array_ss, arg3->expr);
   12078              :   else
   12079              :     tmp_ss = array_ss;
   12080              : 
   12081              :   /* "Hide" the dimension on which we will sum in the first arg's scalarization
   12082              :      chain.  */
   12083          575 :   sum_dim = mpz_get_si (arg2->expr->value.integer) - 1;
   12084          575 :   tail = nest_loop_dimension (tmp_ss, sum_dim);
   12085          575 :   tail->next = ss;
   12086              : 
   12087          575 :   return tmp_ss;
   12088              : }
   12089              : 
   12090              : 
   12091              : /* Create the gfc_ss list for the arguments to MINLOC or MAXLOC when the
   12092              :    function is to be inlined.  */
   12093              : 
   12094              : static gfc_ss *
   12095         6085 : walk_inline_intrinsic_minmaxloc (gfc_ss *ss, gfc_expr *expr ATTRIBUTE_UNUSED)
   12096              : {
   12097         6085 :   if (expr->rank == 0)
   12098              :     return ss;
   12099              : 
   12100         6085 :   gfc_actual_arglist *array_arg = expr->value.function.actual;
   12101         6085 :   gfc_actual_arglist *dim_arg = array_arg->next;
   12102         6085 :   gfc_actual_arglist *mask_arg = dim_arg->next;
   12103         6085 :   gfc_actual_arglist *kind_arg = mask_arg->next;
   12104         6085 :   gfc_actual_arglist *back_arg = kind_arg->next;
   12105              : 
   12106         6085 :   gfc_expr *array = array_arg->expr;
   12107         6085 :   gfc_expr *dim = dim_arg->expr;
   12108         6085 :   gfc_expr *mask = mask_arg->expr;
   12109         6085 :   gfc_expr *back = back_arg->expr;
   12110              : 
   12111         6085 :   if (dim == nullptr)
   12112         3289 :     return gfc_get_array_ss (ss, expr, 1, GFC_SS_INTRINSIC);
   12113              : 
   12114         2796 :   gfc_ss *tmp_ss = gfc_ss_terminator;
   12115              : 
   12116         2796 :   bool scalar_mask = false;
   12117         2796 :   if (mask)
   12118              :     {
   12119         1866 :       gfc_ss *mask_ss = gfc_walk_subexpr (tmp_ss, mask);
   12120         1866 :       if (mask_ss == tmp_ss)
   12121              :         scalar_mask = true;
   12122         1174 :       else if (maybe_absent_optional_variable (mask))
   12123           20 :         mask_ss->info->can_be_null_ref = true;
   12124              : 
   12125              :       tmp_ss = mask_ss;
   12126              :     }
   12127              : 
   12128         2796 :   gfc_ss *array_ss = gfc_walk_subexpr (tmp_ss, array);
   12129         2796 :   gcc_assert (array_ss != tmp_ss);
   12130              : 
   12131         2796 :   tmp_ss = array_ss;
   12132              : 
   12133              :   /* Move the dimension on which we will sum to a separate nested scalarization
   12134              :      chain, "hiding" that dimension from the outer scalarization.  */
   12135         2796 :   int dim_val = mpz_get_si (dim->value.integer);
   12136         2796 :   gfc_ss *tail = nest_loop_dimension (tmp_ss, dim_val - 1);
   12137              : 
   12138         2796 :   if (back && array->rank > 1)
   12139              :     {
   12140              :       /* If there are nested scalarization loops, include BACK in the
   12141              :          scalarization chains to avoid evaluating it multiple times in a loop.
   12142              :          Otherwise, prefer to handle it outside of scalarization.  */
   12143         2796 :       gfc_ss *back_ss = gfc_get_scalar_ss (ss, back);
   12144         2796 :       back_ss->info->type = GFC_SS_REFERENCE;
   12145         2796 :       if (maybe_absent_optional_variable (back))
   12146           16 :         back_ss->info->can_be_null_ref = true;
   12147              : 
   12148         2796 :       tail->next = back_ss;
   12149         2796 :     }
   12150              :   else
   12151            0 :     tail->next = ss;
   12152              : 
   12153         2796 :   if (scalar_mask)
   12154              :     {
   12155          692 :       tmp_ss = gfc_get_scalar_ss (tmp_ss, mask);
   12156              :       /* MASK can be a forwarded optional argument, so make the necessary setup
   12157              :          to avoid the scalarizer generating any unguarded pointer dereference in
   12158              :          that case.  */
   12159          692 :       tmp_ss->info->type = GFC_SS_REFERENCE;
   12160          692 :       if (maybe_absent_optional_variable (mask))
   12161            4 :         tmp_ss->info->can_be_null_ref = true;
   12162              :     }
   12163              : 
   12164              :   return tmp_ss;
   12165              : }
   12166              : 
   12167              : 
   12168              : static gfc_ss *
   12169         8340 : walk_inline_intrinsic_function (gfc_ss * ss, gfc_expr * expr)
   12170              : {
   12171              : 
   12172         8340 :   switch (expr->value.function.isym->id)
   12173              :     {
   12174          575 :       case GFC_ISYM_PRODUCT:
   12175          575 :       case GFC_ISYM_SUM:
   12176          575 :         return walk_inline_intrinsic_arith (ss, expr);
   12177              : 
   12178         1680 :       case GFC_ISYM_TRANSPOSE:
   12179         1680 :         return walk_inline_intrinsic_transpose (ss, expr);
   12180              : 
   12181         6085 :       case GFC_ISYM_MAXLOC:
   12182         6085 :       case GFC_ISYM_MINLOC:
   12183         6085 :         return walk_inline_intrinsic_minmaxloc (ss, expr);
   12184              : 
   12185            0 :       default:
   12186            0 :         gcc_unreachable ();
   12187              :     }
   12188              :   gcc_unreachable ();
   12189              : }
   12190              : 
   12191              : 
   12192              : /* This generates code to execute before entering the scalarization loop.
   12193              :    Currently does nothing.  */
   12194              : 
   12195              : void
   12196        11581 : gfc_add_intrinsic_ss_code (gfc_loopinfo * loop ATTRIBUTE_UNUSED, gfc_ss * ss)
   12197              : {
   12198        11581 :   switch (ss->info->expr->value.function.isym->id)
   12199              :     {
   12200        11581 :     case GFC_ISYM_UBOUND:
   12201        11581 :     case GFC_ISYM_LBOUND:
   12202        11581 :     case GFC_ISYM_COSHAPE:
   12203        11581 :     case GFC_ISYM_UCOBOUND:
   12204        11581 :     case GFC_ISYM_LCOBOUND:
   12205        11581 :     case GFC_ISYM_MAXLOC:
   12206        11581 :     case GFC_ISYM_MINLOC:
   12207        11581 :     case GFC_ISYM_THIS_IMAGE:
   12208        11581 :     case GFC_ISYM_SHAPE:
   12209        11581 :       break;
   12210              : 
   12211            0 :     default:
   12212            0 :       gcc_unreachable ();
   12213              :     }
   12214        11581 : }
   12215              : 
   12216              : 
   12217              : /* The LBOUND, LCOBOUND, UBOUND, UCOBOUND, and SHAPE intrinsics with
   12218              :    one parameter are expanded into code inside the scalarization loop.  */
   12219              : 
   12220              : static gfc_ss *
   12221        10161 : gfc_walk_intrinsic_bound (gfc_ss * ss, gfc_expr * expr)
   12222              : {
   12223        10161 :   if (expr->value.function.actual->expr->ts.type == BT_CLASS)
   12224          438 :     gfc_add_class_array_ref (expr->value.function.actual->expr);
   12225              : 
   12226              :   /* The two argument version returns a scalar.  */
   12227        10161 :   if (expr->value.function.isym->id != GFC_ISYM_SHAPE
   12228         3522 :       && expr->value.function.isym->id != GFC_ISYM_COSHAPE
   12229         3518 :       && expr->value.function.actual->next->expr)
   12230              :     return ss;
   12231              : 
   12232        10161 :   return gfc_get_array_ss (ss, expr, 1, GFC_SS_INTRINSIC);
   12233              : }
   12234              : 
   12235              : 
   12236              : /* Walk an intrinsic array libcall.  */
   12237              : 
   12238              : static gfc_ss *
   12239        14494 : gfc_walk_intrinsic_libfunc (gfc_ss * ss, gfc_expr * expr)
   12240              : {
   12241        14494 :   gcc_assert (expr->rank > 0);
   12242        14494 :   return gfc_get_array_ss (ss, expr, expr->rank, GFC_SS_FUNCTION);
   12243              : }
   12244              : 
   12245              : 
   12246              : /* Return whether the function call expression EXPR will be expanded
   12247              :    inline by gfc_conv_intrinsic_function.  */
   12248              : 
   12249              : bool
   12250       302919 : gfc_inline_intrinsic_function_p (gfc_expr *expr)
   12251              : {
   12252       302919 :   gfc_actual_arglist *args, *dim_arg, *mask_arg;
   12253       302919 :   gfc_expr *maskexpr;
   12254              : 
   12255       302919 :   gfc_intrinsic_sym *isym = expr->value.function.isym;
   12256       302919 :   if (!isym)
   12257              :     return false;
   12258              : 
   12259       302877 :   switch (isym->id)
   12260              :     {
   12261         5106 :     case GFC_ISYM_PRODUCT:
   12262         5106 :     case GFC_ISYM_SUM:
   12263              :       /* Disable inline expansion if code size matters.  */
   12264         5106 :       if (optimize_size)
   12265              :         return false;
   12266              : 
   12267         4251 :       args = expr->value.function.actual;
   12268         4251 :       dim_arg = args->next;
   12269              : 
   12270              :       /* We need to be able to subset the SUM argument at compile-time.  */
   12271         4251 :       if (dim_arg->expr && dim_arg->expr->expr_type != EXPR_CONSTANT)
   12272              :         return false;
   12273              : 
   12274              :       /* FIXME: If MASK is optional for a more than two-dimensional
   12275              :          argument, the scalarizer gets confused if the mask is
   12276              :          absent.  See PR 82995.  For now, fall back to the library
   12277              :          function.  */
   12278              : 
   12279         3639 :       mask_arg = dim_arg->next;
   12280         3639 :       maskexpr = mask_arg->expr;
   12281              : 
   12282         3639 :       if (expr->rank > 0 && maskexpr && maskexpr->expr_type == EXPR_VARIABLE
   12283          276 :           && maskexpr->symtree->n.sym->attr.dummy
   12284           48 :           && maskexpr->symtree->n.sym->attr.optional)
   12285              :         return false;
   12286              : 
   12287              :       return true;
   12288              : 
   12289              :     case GFC_ISYM_TRANSPOSE:
   12290              :       return true;
   12291              : 
   12292        57188 :     case GFC_ISYM_MINLOC:
   12293        57188 :     case GFC_ISYM_MAXLOC:
   12294        57188 :       {
   12295        57188 :         if ((isym->id == GFC_ISYM_MINLOC
   12296        30521 :              && (flag_inline_intrinsics
   12297        30521 :                  & GFC_FLAG_INLINE_INTRINSIC_MINLOC) == 0)
   12298        46611 :             || (isym->id == GFC_ISYM_MAXLOC
   12299        26667 :                 && (flag_inline_intrinsics
   12300        26667 :                     & GFC_FLAG_INLINE_INTRINSIC_MAXLOC) == 0))
   12301              :           return false;
   12302              : 
   12303        37638 :         gfc_actual_arglist *array_arg = expr->value.function.actual;
   12304        37638 :         gfc_actual_arglist *dim_arg = array_arg->next;
   12305              : 
   12306        37638 :         gfc_expr *array = array_arg->expr;
   12307        37638 :         gfc_expr *dim = dim_arg->expr;
   12308              : 
   12309        37638 :         if (!(array->ts.type == BT_INTEGER
   12310              :               || array->ts.type == BT_REAL))
   12311              :           return false;
   12312              : 
   12313        34658 :         if (array->rank == 1)
   12314              :           return true;
   12315              : 
   12316        20711 :         if (dim != nullptr
   12317        13372 :             && dim->expr_type != EXPR_CONSTANT)
   12318              :           return false;
   12319              : 
   12320              :         return true;
   12321              :       }
   12322              : 
   12323              :     default:
   12324              :       return false;
   12325              :     }
   12326              : }
   12327              : 
   12328              : 
   12329              : /* Returns nonzero if the specified intrinsic function call maps directly to
   12330              :    an external library call.  Should only be used for functions that return
   12331              :    arrays.  */
   12332              : 
   12333              : int
   12334        87995 : gfc_is_intrinsic_libcall (gfc_expr * expr)
   12335              : {
   12336        87995 :   gcc_assert (expr->expr_type == EXPR_FUNCTION && expr->value.function.isym);
   12337        87995 :   gcc_assert (expr->rank > 0);
   12338              : 
   12339        87995 :   if (gfc_inline_intrinsic_function_p (expr))
   12340              :     return 0;
   12341              : 
   12342        73390 :   switch (expr->value.function.isym->id)
   12343              :     {
   12344              :     case GFC_ISYM_ALL:
   12345              :     case GFC_ISYM_ANY:
   12346              :     case GFC_ISYM_COUNT:
   12347              :     case GFC_ISYM_FINDLOC:
   12348              :     case GFC_ISYM_JN2:
   12349              :     case GFC_ISYM_IANY:
   12350              :     case GFC_ISYM_IALL:
   12351              :     case GFC_ISYM_IPARITY:
   12352              :     case GFC_ISYM_MATMUL:
   12353              :     case GFC_ISYM_MAXLOC:
   12354              :     case GFC_ISYM_MAXVAL:
   12355              :     case GFC_ISYM_MINLOC:
   12356              :     case GFC_ISYM_MINVAL:
   12357              :     case GFC_ISYM_NORM2:
   12358              :     case GFC_ISYM_PARITY:
   12359              :     case GFC_ISYM_PRODUCT:
   12360              :     case GFC_ISYM_SUM:
   12361              :     case GFC_ISYM_SPREAD:
   12362              :     case GFC_ISYM_YN2:
   12363              :       /* Ignore absent optional parameters.  */
   12364              :       return 1;
   12365              : 
   12366        15801 :     case GFC_ISYM_CSHIFT:
   12367        15801 :     case GFC_ISYM_EOSHIFT:
   12368        15801 :     case GFC_ISYM_GET_TEAM:
   12369        15801 :     case GFC_ISYM_FAILED_IMAGES:
   12370        15801 :     case GFC_ISYM_STOPPED_IMAGES:
   12371        15801 :     case GFC_ISYM_PACK:
   12372        15801 :     case GFC_ISYM_REDUCE:
   12373        15801 :     case GFC_ISYM_RESHAPE:
   12374        15801 :     case GFC_ISYM_UNPACK:
   12375              :       /* Pass absent optional parameters.  */
   12376        15801 :       return 2;
   12377              : 
   12378              :     default:
   12379              :       return 0;
   12380              :     }
   12381              : }
   12382              : 
   12383              : /* Walk an intrinsic function.  */
   12384              : gfc_ss *
   12385        55904 : gfc_walk_intrinsic_function (gfc_ss * ss, gfc_expr * expr,
   12386              :                              gfc_intrinsic_sym * isym)
   12387              : {
   12388        55904 :   gcc_assert (isym);
   12389              : 
   12390        55904 :   if (isym->elemental)
   12391        18417 :     return gfc_walk_elemental_function_args (ss, expr->value.function.actual,
   12392              :                                              expr->value.function.isym,
   12393        18417 :                                              GFC_SS_SCALAR);
   12394              : 
   12395        37487 :   if (expr->rank == 0 && expr->corank == 0)
   12396              :     return ss;
   12397              : 
   12398        32995 :   if (gfc_inline_intrinsic_function_p (expr))
   12399         8340 :     return walk_inline_intrinsic_function (ss, expr);
   12400              : 
   12401        24655 :   if (expr->rank != 0 && gfc_is_intrinsic_libcall (expr))
   12402        13511 :     return gfc_walk_intrinsic_libfunc (ss, expr);
   12403              : 
   12404              :   /* Special cases.  */
   12405        11144 :   switch (isym->id)
   12406              :     {
   12407        10161 :     case GFC_ISYM_COSHAPE:
   12408        10161 :     case GFC_ISYM_LBOUND:
   12409        10161 :     case GFC_ISYM_LCOBOUND:
   12410        10161 :     case GFC_ISYM_UBOUND:
   12411        10161 :     case GFC_ISYM_UCOBOUND:
   12412        10161 :     case GFC_ISYM_THIS_IMAGE:
   12413        10161 :     case GFC_ISYM_SHAPE:
   12414        10161 :       return gfc_walk_intrinsic_bound (ss, expr);
   12415              : 
   12416          983 :     case GFC_ISYM_TRANSFER:
   12417          983 :     case GFC_ISYM_CAF_GET:
   12418          983 :       return gfc_walk_intrinsic_libfunc (ss, expr);
   12419              : 
   12420            0 :     default:
   12421              :       /* This probably meant someone forgot to add an intrinsic to the above
   12422              :          list(s) when they implemented it, or something's gone horribly
   12423              :          wrong.  */
   12424            0 :       gcc_unreachable ();
   12425              :     }
   12426              : }
   12427              : 
   12428              : static tree
   12429           88 : conv_co_collective (gfc_code *code)
   12430              : {
   12431           88 :   gfc_se argse;
   12432           88 :   stmtblock_t block, post_block;
   12433           88 :   tree fndecl, array = NULL_TREE, strlen, image_index, stat, errmsg, errmsg_len;
   12434           88 :   gfc_expr *image_idx_expr, *stat_expr, *errmsg_expr, *opr_expr;
   12435              : 
   12436           88 :   gfc_start_block (&block);
   12437           88 :   gfc_init_block (&post_block);
   12438              : 
   12439           88 :   if (code->resolved_isym->id == GFC_ISYM_CO_REDUCE)
   12440              :     {
   12441           17 :       opr_expr = code->ext.actual->next->expr;
   12442           17 :       image_idx_expr = code->ext.actual->next->next->expr;
   12443           17 :       stat_expr = code->ext.actual->next->next->next->expr;
   12444           17 :       errmsg_expr = code->ext.actual->next->next->next->next->expr;
   12445              :     }
   12446              :   else
   12447              :     {
   12448           71 :       opr_expr = NULL;
   12449           71 :       image_idx_expr = code->ext.actual->next->expr;
   12450           71 :       stat_expr = code->ext.actual->next->next->expr;
   12451           71 :       errmsg_expr = code->ext.actual->next->next->next->expr;
   12452              :     }
   12453              : 
   12454              :   /* stat.  */
   12455           88 :   if (stat_expr)
   12456              :     {
   12457           59 :       gfc_init_se (&argse, NULL);
   12458           59 :       gfc_conv_expr (&argse, stat_expr);
   12459           59 :       gfc_add_block_to_block (&block, &argse.pre);
   12460           59 :       gfc_add_block_to_block (&post_block, &argse.post);
   12461           59 :       stat = argse.expr;
   12462           59 :       if (flag_coarray != GFC_FCOARRAY_SINGLE)
   12463           32 :         stat = gfc_build_addr_expr (NULL_TREE, stat);
   12464              :     }
   12465           29 :   else if (flag_coarray == GFC_FCOARRAY_SINGLE)
   12466              :     stat = NULL_TREE;
   12467              :   else
   12468           20 :     stat = null_pointer_node;
   12469              : 
   12470              :   /* Early exit for GFC_FCOARRAY_SINGLE.  */
   12471           88 :   if (flag_coarray == GFC_FCOARRAY_SINGLE)
   12472              :     {
   12473           36 :       if (stat != NULL_TREE)
   12474              :         {
   12475              :           /* For optional stats, check the pointer is valid before zero'ing.  */
   12476           27 :           if (gfc_expr_attr (stat_expr).optional)
   12477              :             {
   12478           12 :               tree tmp;
   12479           12 :               stmtblock_t ass_block;
   12480           12 :               gfc_start_block (&ass_block);
   12481           12 :               gfc_add_modify (&ass_block, stat,
   12482           12 :                               fold_convert (TREE_TYPE (stat),
   12483              :                                             integer_zero_node));
   12484           12 :               tmp = fold_build2 (NE_EXPR, logical_type_node,
   12485              :                                  gfc_build_addr_expr (NULL_TREE, stat),
   12486              :                                  null_pointer_node);
   12487           12 :               tmp = fold_build3 (COND_EXPR, void_type_node, tmp,
   12488              :                                  gfc_finish_block (&ass_block),
   12489              :                                  build_empty_stmt (input_location));
   12490           12 :               gfc_add_expr_to_block (&block, tmp);
   12491              :             }
   12492              :           else
   12493           15 :             gfc_add_modify (&block, stat,
   12494           15 :                             fold_convert (TREE_TYPE (stat), integer_zero_node));
   12495              :         }
   12496           36 :       return gfc_finish_block (&block);
   12497              :     }
   12498              : 
   12499            5 :   gfc_symbol *derived = code->ext.actual->expr->ts.type == BT_DERIVED
   12500           52 :     ? code->ext.actual->expr->ts.u.derived : NULL;
   12501              : 
   12502              :   /* Handle the array.  */
   12503           52 :   gfc_init_se (&argse, NULL);
   12504           52 :   if (!derived || !derived->attr.alloc_comp
   12505            1 :       || code->resolved_isym->id != GFC_ISYM_CO_BROADCAST)
   12506              :     {
   12507           51 :       if (code->ext.actual->expr->rank == 0)
   12508              :         {
   12509           22 :           symbol_attribute attr;
   12510           22 :           gfc_clear_attr (&attr);
   12511           22 :           gfc_init_se (&argse, NULL);
   12512           22 :           gfc_conv_expr (&argse, code->ext.actual->expr);
   12513           22 :           gfc_add_block_to_block (&block, &argse.pre);
   12514           22 :           gfc_add_block_to_block (&post_block, &argse.post);
   12515           22 :           array = gfc_conv_scalar_to_descriptor (&argse, argse.expr, attr);
   12516           22 :           array = gfc_build_addr_expr (NULL_TREE, array);
   12517              :         }
   12518              :       else
   12519              :         {
   12520           29 :           argse.want_pointer = 1;
   12521           29 :           gfc_conv_expr_descriptor (&argse, code->ext.actual->expr);
   12522           29 :           array = argse.expr;
   12523              :         }
   12524              :     }
   12525              : 
   12526           52 :   gfc_add_block_to_block (&block, &argse.pre);
   12527           52 :   gfc_add_block_to_block (&post_block, &argse.post);
   12528              : 
   12529           52 :   if (code->ext.actual->expr->ts.type == BT_CHARACTER)
   12530           15 :     strlen = argse.string_length;
   12531              :   else
   12532           37 :     strlen = integer_zero_node;
   12533              : 
   12534              :   /* image_index.  */
   12535           52 :   if (image_idx_expr)
   12536              :     {
   12537           35 :       gfc_init_se (&argse, NULL);
   12538           35 :       gfc_conv_expr (&argse, image_idx_expr);
   12539           35 :       gfc_add_block_to_block (&block, &argse.pre);
   12540           35 :       gfc_add_block_to_block (&post_block, &argse.post);
   12541           35 :       image_index = fold_convert (integer_type_node, argse.expr);
   12542              :     }
   12543              :   else
   12544           17 :     image_index = integer_zero_node;
   12545              : 
   12546              :   /* errmsg.  */
   12547           52 :   if (errmsg_expr)
   12548              :     {
   12549           25 :       gfc_init_se (&argse, NULL);
   12550           25 :       gfc_conv_expr (&argse, errmsg_expr);
   12551           25 :       gfc_add_block_to_block (&block, &argse.pre);
   12552           25 :       gfc_add_block_to_block (&post_block, &argse.post);
   12553           25 :       errmsg = argse.expr;
   12554           25 :       errmsg_len = fold_convert (size_type_node, argse.string_length);
   12555              :     }
   12556              :   else
   12557              :     {
   12558           27 :       errmsg = null_pointer_node;
   12559           27 :       errmsg_len = build_zero_cst (size_type_node);
   12560              :     }
   12561              : 
   12562              :   /* Generate the function call.  */
   12563           52 :   switch (code->resolved_isym->id)
   12564              :     {
   12565           20 :     case GFC_ISYM_CO_BROADCAST:
   12566           20 :       fndecl = gfor_fndecl_co_broadcast;
   12567           20 :       break;
   12568            8 :     case GFC_ISYM_CO_MAX:
   12569            8 :       fndecl = gfor_fndecl_co_max;
   12570            8 :       break;
   12571            6 :     case GFC_ISYM_CO_MIN:
   12572            6 :       fndecl = gfor_fndecl_co_min;
   12573            6 :       break;
   12574           12 :     case GFC_ISYM_CO_REDUCE:
   12575           12 :       fndecl = gfor_fndecl_co_reduce;
   12576           12 :       break;
   12577            6 :     case GFC_ISYM_CO_SUM:
   12578            6 :       fndecl = gfor_fndecl_co_sum;
   12579            6 :       break;
   12580            0 :     default:
   12581            0 :       gcc_unreachable ();
   12582              :     }
   12583              : 
   12584           52 :   if (derived && derived->attr.alloc_comp
   12585            1 :       && code->resolved_isym->id == GFC_ISYM_CO_BROADCAST)
   12586              :     /* The derived type has the attribute 'alloc_comp'.  */
   12587              :     {
   12588            2 :       tree tmp = gfc_bcast_alloc_comp (derived, code->ext.actual->expr,
   12589            1 :                                        code->ext.actual->expr->rank,
   12590              :                                        image_index, stat, errmsg, errmsg_len);
   12591            1 :       gfc_add_expr_to_block (&block, tmp);
   12592            1 :     }
   12593              :   else
   12594              :     {
   12595           51 :       if (code->resolved_isym->id == GFC_ISYM_CO_SUM
   12596           45 :           || code->resolved_isym->id == GFC_ISYM_CO_BROADCAST)
   12597           25 :         fndecl = build_call_expr_loc (input_location, fndecl, 5, array,
   12598              :                                       image_index, stat, errmsg, errmsg_len);
   12599           26 :       else if (code->resolved_isym->id != GFC_ISYM_CO_REDUCE)
   12600           14 :         fndecl = build_call_expr_loc (input_location, fndecl, 6, array,
   12601              :                                       image_index, stat, errmsg,
   12602              :                                       strlen, errmsg_len);
   12603              :       else
   12604              :         {
   12605           12 :           tree opr, opr_flags;
   12606              : 
   12607              :           // FIXME: Handle TS29113's bind(C) strings with descriptor.
   12608           12 :           int opr_flag_int;
   12609           12 :           if (gfc_is_proc_ptr_comp (opr_expr))
   12610              :             {
   12611            0 :               gfc_symbol *sym = gfc_get_proc_ptr_comp (opr_expr)->ts.interface;
   12612            0 :               opr_flag_int = sym->attr.dimension
   12613            0 :                 || (sym->ts.type == BT_CHARACTER
   12614            0 :                     && !sym->attr.is_bind_c)
   12615            0 :                 ? GFC_CAF_BYREF : 0;
   12616            0 :               opr_flag_int |= opr_expr->ts.type == BT_CHARACTER
   12617            0 :                 && !sym->attr.is_bind_c
   12618            0 :                 ? GFC_CAF_HIDDENLEN : 0;
   12619            0 :               opr_flag_int |= sym->formal->sym->attr.value
   12620            0 :                 ? GFC_CAF_ARG_VALUE : 0;
   12621              :             }
   12622              :           else
   12623              :             {
   12624           12 :               opr_flag_int = gfc_return_by_reference (opr_expr->symtree->n.sym)
   12625           12 :                 ? GFC_CAF_BYREF : 0;
   12626           24 :               opr_flag_int |= opr_expr->ts.type == BT_CHARACTER
   12627            0 :                 && !opr_expr->symtree->n.sym->attr.is_bind_c
   12628           12 :                 ? GFC_CAF_HIDDENLEN : 0;
   12629           12 :               opr_flag_int |= opr_expr->symtree->n.sym->formal->sym->attr.value
   12630           12 :                 ? GFC_CAF_ARG_VALUE : 0;
   12631              :             }
   12632           12 :           opr_flags = build_int_cst (integer_type_node, opr_flag_int);
   12633           12 :           gfc_conv_expr (&argse, opr_expr);
   12634           12 :           opr = argse.expr;
   12635           12 :           fndecl = build_call_expr_loc (input_location, fndecl, 8, array, opr,
   12636              :                                         opr_flags, image_index, stat, errmsg,
   12637              :                                         strlen, errmsg_len);
   12638              :         }
   12639              :     }
   12640              : 
   12641           52 :   gfc_add_expr_to_block (&block, fndecl);
   12642           52 :   gfc_add_block_to_block (&block, &post_block);
   12643              : 
   12644           52 :   return gfc_finish_block (&block);
   12645              : }
   12646              : 
   12647              : 
   12648              : static tree
   12649           95 : conv_intrinsic_atomic_op (gfc_code *code)
   12650              : {
   12651           95 :   gfc_se argse;
   12652           95 :   tree tmp, atom, value, old = NULL_TREE, stat = NULL_TREE;
   12653           95 :   stmtblock_t block, post_block;
   12654           95 :   gfc_expr *atom_expr = code->ext.actual->expr;
   12655           95 :   gfc_expr *stat_expr;
   12656           95 :   built_in_function fn;
   12657              : 
   12658           95 :   if (atom_expr->expr_type == EXPR_FUNCTION
   12659            0 :       && atom_expr->value.function.isym
   12660            0 :       && atom_expr->value.function.isym->id == GFC_ISYM_CAF_GET)
   12661            0 :     atom_expr = atom_expr->value.function.actual->expr;
   12662              : 
   12663           95 :   gfc_start_block (&block);
   12664           95 :   gfc_init_block (&post_block);
   12665              : 
   12666           95 :   gfc_init_se (&argse, NULL);
   12667           95 :   argse.want_pointer = 1;
   12668           95 :   gfc_conv_expr (&argse, atom_expr);
   12669           95 :   gfc_add_block_to_block (&block, &argse.pre);
   12670           95 :   gfc_add_block_to_block (&post_block, &argse.post);
   12671           95 :   atom = argse.expr;
   12672              : 
   12673           95 :   gfc_init_se (&argse, NULL);
   12674           95 :   if (flag_coarray == GFC_FCOARRAY_LIB
   12675           56 :       && code->ext.actual->next->expr->ts.kind == atom_expr->ts.kind)
   12676           54 :     argse.want_pointer = 1;
   12677           95 :   gfc_conv_expr (&argse, code->ext.actual->next->expr);
   12678           95 :   gfc_add_block_to_block (&block, &argse.pre);
   12679           95 :   gfc_add_block_to_block (&post_block, &argse.post);
   12680           95 :   value = argse.expr;
   12681              : 
   12682           95 :   switch (code->resolved_isym->id)
   12683              :     {
   12684           58 :     case GFC_ISYM_ATOMIC_ADD:
   12685           58 :     case GFC_ISYM_ATOMIC_AND:
   12686           58 :     case GFC_ISYM_ATOMIC_DEF:
   12687           58 :     case GFC_ISYM_ATOMIC_OR:
   12688           58 :     case GFC_ISYM_ATOMIC_XOR:
   12689           58 :       stat_expr = code->ext.actual->next->next->expr;
   12690           58 :       if (flag_coarray == GFC_FCOARRAY_LIB)
   12691           34 :         old = null_pointer_node;
   12692              :       break;
   12693           37 :     default:
   12694           37 :       gfc_init_se (&argse, NULL);
   12695           37 :       if (flag_coarray == GFC_FCOARRAY_LIB)
   12696           22 :         argse.want_pointer = 1;
   12697           37 :       gfc_conv_expr (&argse, code->ext.actual->next->next->expr);
   12698           37 :       gfc_add_block_to_block (&block, &argse.pre);
   12699           37 :       gfc_add_block_to_block (&post_block, &argse.post);
   12700           37 :       old = argse.expr;
   12701           37 :       stat_expr = code->ext.actual->next->next->next->expr;
   12702              :     }
   12703              : 
   12704              :   /* STAT=  */
   12705           95 :   if (stat_expr != NULL)
   12706              :     {
   12707           82 :       gcc_assert (stat_expr->expr_type == EXPR_VARIABLE);
   12708           82 :       gfc_init_se (&argse, NULL);
   12709           82 :       if (flag_coarray == GFC_FCOARRAY_LIB)
   12710           48 :         argse.want_pointer = 1;
   12711           82 :       gfc_conv_expr_val (&argse, stat_expr);
   12712           82 :       gfc_add_block_to_block (&block, &argse.pre);
   12713           82 :       gfc_add_block_to_block (&post_block, &argse.post);
   12714           82 :       stat = argse.expr;
   12715              :     }
   12716           13 :   else if (flag_coarray == GFC_FCOARRAY_LIB)
   12717            8 :     stat = null_pointer_node;
   12718              : 
   12719           95 :   if (flag_coarray == GFC_FCOARRAY_LIB)
   12720              :     {
   12721           56 :       tree image_index, caf_decl, offset, token;
   12722           56 :       int op;
   12723              : 
   12724           56 :       switch (code->resolved_isym->id)
   12725              :         {
   12726              :         case GFC_ISYM_ATOMIC_ADD:
   12727              :         case GFC_ISYM_ATOMIC_FETCH_ADD:
   12728              :           op = (int) GFC_CAF_ATOMIC_ADD;
   12729              :           break;
   12730           12 :         case GFC_ISYM_ATOMIC_AND:
   12731           12 :         case GFC_ISYM_ATOMIC_FETCH_AND:
   12732           12 :           op = (int) GFC_CAF_ATOMIC_AND;
   12733           12 :           break;
   12734           12 :         case GFC_ISYM_ATOMIC_OR:
   12735           12 :         case GFC_ISYM_ATOMIC_FETCH_OR:
   12736           12 :           op = (int) GFC_CAF_ATOMIC_OR;
   12737           12 :           break;
   12738           12 :         case GFC_ISYM_ATOMIC_XOR:
   12739           12 :         case GFC_ISYM_ATOMIC_FETCH_XOR:
   12740           12 :           op = (int) GFC_CAF_ATOMIC_XOR;
   12741           12 :           break;
   12742           11 :         case GFC_ISYM_ATOMIC_DEF:
   12743           11 :           op = 0;  /* Unused.  */
   12744           11 :           break;
   12745            0 :         default:
   12746            0 :           gcc_unreachable ();
   12747              :         }
   12748              : 
   12749           56 :       caf_decl = gfc_get_tree_for_caf_expr (atom_expr);
   12750           56 :       if (TREE_CODE (TREE_TYPE (caf_decl)) == REFERENCE_TYPE)
   12751            0 :         caf_decl = build_fold_indirect_ref_loc (input_location, caf_decl);
   12752              : 
   12753           56 :       if (gfc_is_coindexed (atom_expr))
   12754           48 :         image_index = gfc_caf_get_image_index (&block, atom_expr, caf_decl);
   12755              :       else
   12756            8 :         image_index = integer_zero_node;
   12757              : 
   12758              :       /* Ensure VALUE names addressable storage: taking the address of a
   12759              :          constant is invalid in C, and scalars need a temporary as well.  */
   12760           56 :       if (!POINTER_TYPE_P (TREE_TYPE (value)))
   12761              :         {
   12762           42 :           tree elem
   12763           42 :             = fold_convert (TREE_TYPE (TREE_TYPE (atom)), value);
   12764           42 :           elem = gfc_trans_force_lval (&block, elem);
   12765           42 :           value = gfc_build_addr_expr (NULL_TREE, elem);
   12766              :         }
   12767           14 :       else if (TREE_CODE (value) == ADDR_EXPR
   12768           14 :                && TREE_CONSTANT (TREE_OPERAND (value, 0)))
   12769              :         {
   12770            0 :           tree elem
   12771            0 :             = fold_convert (TREE_TYPE (TREE_TYPE (atom)),
   12772              :                             build_fold_indirect_ref (value));
   12773            0 :           elem = gfc_trans_force_lval (&block, elem);
   12774            0 :           value = gfc_build_addr_expr (NULL_TREE, elem);
   12775              :         }
   12776              : 
   12777           56 :       gfc_init_se (&argse, NULL);
   12778           56 :       gfc_get_caf_token_offset (&argse, &token, &offset, caf_decl, atom,
   12779              :                                 atom_expr);
   12780              : 
   12781           56 :       gfc_add_block_to_block (&block, &argse.pre);
   12782           56 :       if (code->resolved_isym->id == GFC_ISYM_ATOMIC_DEF)
   12783           11 :         tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_atomic_def, 7,
   12784              :                                    token, offset, image_index, value, stat,
   12785              :                                    build_int_cst (integer_type_node,
   12786           11 :                                                   (int) atom_expr->ts.type),
   12787              :                                    build_int_cst (integer_type_node,
   12788           11 :                                                   (int) atom_expr->ts.kind));
   12789              :       else
   12790           45 :         tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_atomic_op, 9,
   12791           45 :                                    build_int_cst (integer_type_node, op),
   12792              :                                    token, offset, image_index, value, old, stat,
   12793              :                                    build_int_cst (integer_type_node,
   12794           45 :                                                   (int) atom_expr->ts.type),
   12795              :                                    build_int_cst (integer_type_node,
   12796           45 :                                                   (int) atom_expr->ts.kind));
   12797              : 
   12798           56 :       gfc_add_expr_to_block (&block, tmp);
   12799           56 :       gfc_add_block_to_block (&block, &argse.post);
   12800           56 :       gfc_add_block_to_block (&block, &post_block);
   12801           56 :       return gfc_finish_block (&block);
   12802              :     }
   12803              : 
   12804              : 
   12805           39 :   switch (code->resolved_isym->id)
   12806              :     {
   12807              :     case GFC_ISYM_ATOMIC_ADD:
   12808              :     case GFC_ISYM_ATOMIC_FETCH_ADD:
   12809              :       fn = BUILT_IN_ATOMIC_FETCH_ADD_N;
   12810              :       break;
   12811            8 :     case GFC_ISYM_ATOMIC_AND:
   12812            8 :     case GFC_ISYM_ATOMIC_FETCH_AND:
   12813            8 :       fn = BUILT_IN_ATOMIC_FETCH_AND_N;
   12814            8 :       break;
   12815            9 :     case GFC_ISYM_ATOMIC_DEF:
   12816            9 :       fn = BUILT_IN_ATOMIC_STORE_N;
   12817            9 :       break;
   12818            8 :     case GFC_ISYM_ATOMIC_OR:
   12819            8 :     case GFC_ISYM_ATOMIC_FETCH_OR:
   12820            8 :       fn = BUILT_IN_ATOMIC_FETCH_OR_N;
   12821            8 :       break;
   12822            8 :     case GFC_ISYM_ATOMIC_XOR:
   12823            8 :     case GFC_ISYM_ATOMIC_FETCH_XOR:
   12824            8 :       fn = BUILT_IN_ATOMIC_FETCH_XOR_N;
   12825            8 :       break;
   12826            0 :     default:
   12827            0 :       gcc_unreachable ();
   12828              :     }
   12829              : 
   12830           39 :   tmp = TREE_TYPE (TREE_TYPE (atom));
   12831           78 :   fn = (built_in_function) ((int) fn
   12832           39 :                             + exact_log2 (tree_to_uhwi (TYPE_SIZE_UNIT (tmp)))
   12833           39 :                             + 1);
   12834           39 :   tree itype = TREE_TYPE (TREE_TYPE (atom));
   12835           39 :   tmp = builtin_decl_explicit (fn);
   12836              : 
   12837           39 :   switch (code->resolved_isym->id)
   12838              :     {
   12839           24 :     case GFC_ISYM_ATOMIC_ADD:
   12840           24 :     case GFC_ISYM_ATOMIC_AND:
   12841           24 :     case GFC_ISYM_ATOMIC_DEF:
   12842           24 :     case GFC_ISYM_ATOMIC_OR:
   12843           24 :     case GFC_ISYM_ATOMIC_XOR:
   12844           24 :       tmp = build_call_expr_loc (input_location, tmp, 3, atom,
   12845              :                                  fold_convert (itype, value),
   12846              :                                  build_int_cst (NULL, MEMMODEL_RELAXED));
   12847           24 :       gfc_add_expr_to_block (&block, tmp);
   12848           24 :       break;
   12849           15 :     default:
   12850           15 :       tmp = build_call_expr_loc (input_location, tmp, 3, atom,
   12851              :                                  fold_convert (itype, value),
   12852              :                                  build_int_cst (NULL, MEMMODEL_RELAXED));
   12853           15 :       gfc_add_modify (&block, old, fold_convert (TREE_TYPE (old), tmp));
   12854           15 :       break;
   12855              :     }
   12856              : 
   12857           39 :   if (stat != NULL_TREE)
   12858           34 :     gfc_add_modify (&block, stat, build_int_cst (TREE_TYPE (stat), 0));
   12859           39 :   gfc_add_block_to_block (&block, &post_block);
   12860           39 :   return gfc_finish_block (&block);
   12861              : }
   12862              : 
   12863              : 
   12864              : static tree
   12865          176 : conv_intrinsic_atomic_ref (gfc_code *code)
   12866              : {
   12867          176 :   gfc_se argse;
   12868          176 :   tree tmp, atom, value, stat = NULL_TREE;
   12869          176 :   stmtblock_t block, post_block;
   12870          176 :   built_in_function fn;
   12871          176 :   gfc_expr *atom_expr = code->ext.actual->next->expr;
   12872              : 
   12873          176 :   if (atom_expr->expr_type == EXPR_FUNCTION
   12874            0 :       && atom_expr->value.function.isym
   12875            0 :       && atom_expr->value.function.isym->id == GFC_ISYM_CAF_GET)
   12876            0 :     atom_expr = atom_expr->value.function.actual->expr;
   12877              : 
   12878          176 :   gfc_start_block (&block);
   12879          176 :   gfc_init_block (&post_block);
   12880          176 :   gfc_init_se (&argse, NULL);
   12881          176 :   argse.want_pointer = 1;
   12882          176 :   gfc_conv_expr (&argse, atom_expr);
   12883          176 :   gfc_add_block_to_block (&block, &argse.pre);
   12884          176 :   gfc_add_block_to_block (&post_block, &argse.post);
   12885          176 :   atom = argse.expr;
   12886              : 
   12887          176 :   gfc_init_se (&argse, NULL);
   12888          176 :   if (flag_coarray == GFC_FCOARRAY_LIB
   12889          115 :       && code->ext.actual->expr->ts.kind == atom_expr->ts.kind)
   12890          109 :     argse.want_pointer = 1;
   12891          176 :   gfc_conv_expr (&argse, code->ext.actual->expr);
   12892          176 :   gfc_add_block_to_block (&block, &argse.pre);
   12893          176 :   gfc_add_block_to_block (&post_block, &argse.post);
   12894          176 :   value = argse.expr;
   12895              : 
   12896              :   /* STAT=  */
   12897          176 :   if (code->ext.actual->next->next->expr != NULL)
   12898              :     {
   12899          164 :       gcc_assert (code->ext.actual->next->next->expr->expr_type
   12900              :                   == EXPR_VARIABLE);
   12901          164 :       gfc_init_se (&argse, NULL);
   12902          164 :       if (flag_coarray == GFC_FCOARRAY_LIB)
   12903          108 :         argse.want_pointer = 1;
   12904          164 :       gfc_conv_expr_val (&argse, code->ext.actual->next->next->expr);
   12905          164 :       gfc_add_block_to_block (&block, &argse.pre);
   12906          164 :       gfc_add_block_to_block (&post_block, &argse.post);
   12907          164 :       stat = argse.expr;
   12908              :     }
   12909           12 :   else if (flag_coarray == GFC_FCOARRAY_LIB)
   12910            7 :     stat = null_pointer_node;
   12911              : 
   12912          176 :   if (flag_coarray == GFC_FCOARRAY_LIB)
   12913              :     {
   12914          115 :       tree image_index, caf_decl, offset, token;
   12915          115 :       tree orig_value = NULL_TREE, vardecl = NULL_TREE;
   12916              : 
   12917          115 :       caf_decl = gfc_get_tree_for_caf_expr (atom_expr);
   12918          115 :       if (TREE_CODE (TREE_TYPE (caf_decl)) == REFERENCE_TYPE)
   12919            0 :         caf_decl = build_fold_indirect_ref_loc (input_location, caf_decl);
   12920              : 
   12921          115 :       if (gfc_is_coindexed (atom_expr))
   12922          103 :         image_index = gfc_caf_get_image_index (&block, atom_expr, caf_decl);
   12923              :       else
   12924           12 :         image_index = integer_zero_node;
   12925              : 
   12926          115 :       gfc_init_se (&argse, NULL);
   12927          115 :       gfc_get_caf_token_offset (&argse, &token, &offset, caf_decl, atom,
   12928              :                                 atom_expr);
   12929          115 :       gfc_add_block_to_block (&block, &argse.pre);
   12930              : 
   12931              :       /* Different type, need type conversion.  */
   12932          115 :       if (!POINTER_TYPE_P (TREE_TYPE (value)))
   12933              :         {
   12934            6 :           vardecl = gfc_create_var (TREE_TYPE (TREE_TYPE (atom)), "value");
   12935            6 :           orig_value = value;
   12936            6 :           value = gfc_build_addr_expr (NULL_TREE, vardecl);
   12937              :         }
   12938              : 
   12939          115 :       tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_atomic_ref, 7,
   12940              :                                  token, offset, image_index, value, stat,
   12941              :                                  build_int_cst (integer_type_node,
   12942          115 :                                                 (int) atom_expr->ts.type),
   12943              :                                  build_int_cst (integer_type_node,
   12944          115 :                                                 (int) atom_expr->ts.kind));
   12945          115 :       gfc_add_expr_to_block (&block, tmp);
   12946          115 :       if (vardecl != NULL_TREE)
   12947            6 :         gfc_add_modify (&block, orig_value,
   12948            6 :                         fold_convert (TREE_TYPE (orig_value), vardecl));
   12949          115 :       gfc_add_block_to_block (&block, &argse.post);
   12950          115 :       gfc_add_block_to_block (&block, &post_block);
   12951          115 :       return gfc_finish_block (&block);
   12952              :     }
   12953              : 
   12954           61 :   tmp = TREE_TYPE (TREE_TYPE (atom));
   12955          122 :   fn = (built_in_function) ((int) BUILT_IN_ATOMIC_LOAD_N
   12956           61 :                             + exact_log2 (tree_to_uhwi (TYPE_SIZE_UNIT (tmp)))
   12957           61 :                             + 1);
   12958           61 :   tmp = builtin_decl_explicit (fn);
   12959           61 :   tmp = build_call_expr_loc (input_location, tmp, 2, atom,
   12960              :                              build_int_cst (integer_type_node,
   12961              :                                             MEMMODEL_RELAXED));
   12962           61 :   gfc_add_modify (&block, value, fold_convert (TREE_TYPE (value), tmp));
   12963              : 
   12964           61 :   if (stat != NULL_TREE)
   12965           56 :     gfc_add_modify (&block, stat, build_int_cst (TREE_TYPE (stat), 0));
   12966           61 :   gfc_add_block_to_block (&block, &post_block);
   12967           61 :   return gfc_finish_block (&block);
   12968              : }
   12969              : 
   12970              : 
   12971              : static tree
   12972           14 : conv_intrinsic_atomic_cas (gfc_code *code)
   12973              : {
   12974           14 :   gfc_se argse;
   12975           14 :   tree tmp, atom, old, new_val, comp, stat = NULL_TREE;
   12976           14 :   stmtblock_t block, post_block;
   12977           14 :   built_in_function fn;
   12978           14 :   gfc_expr *atom_expr = code->ext.actual->expr;
   12979              : 
   12980           14 :   if (atom_expr->expr_type == EXPR_FUNCTION
   12981            0 :       && atom_expr->value.function.isym
   12982            0 :       && atom_expr->value.function.isym->id == GFC_ISYM_CAF_GET)
   12983            0 :     atom_expr = atom_expr->value.function.actual->expr;
   12984              : 
   12985           14 :   gfc_init_block (&block);
   12986           14 :   gfc_init_block (&post_block);
   12987           14 :   gfc_init_se (&argse, NULL);
   12988           14 :   argse.want_pointer = 1;
   12989           14 :   gfc_conv_expr (&argse, atom_expr);
   12990           14 :   atom = argse.expr;
   12991              : 
   12992           14 :   gfc_init_se (&argse, NULL);
   12993           14 :   if (flag_coarray == GFC_FCOARRAY_LIB)
   12994            8 :     argse.want_pointer = 1;
   12995           14 :   gfc_conv_expr (&argse, code->ext.actual->next->expr);
   12996           14 :   gfc_add_block_to_block (&block, &argse.pre);
   12997           14 :   gfc_add_block_to_block (&post_block, &argse.post);
   12998           14 :   old = argse.expr;
   12999              : 
   13000           14 :   gfc_init_se (&argse, NULL);
   13001           14 :   if (flag_coarray == GFC_FCOARRAY_LIB)
   13002            8 :     argse.want_pointer = 1;
   13003           14 :   gfc_conv_expr (&argse, code->ext.actual->next->next->expr);
   13004           14 :   gfc_add_block_to_block (&block, &argse.pre);
   13005           14 :   gfc_add_block_to_block (&post_block, &argse.post);
   13006           14 :   comp = argse.expr;
   13007              : 
   13008           14 :   gfc_init_se (&argse, NULL);
   13009           14 :   if (flag_coarray == GFC_FCOARRAY_LIB
   13010            8 :       && code->ext.actual->next->next->next->expr->ts.kind
   13011            8 :          == atom_expr->ts.kind)
   13012            8 :     argse.want_pointer = 1;
   13013           14 :   gfc_conv_expr (&argse, code->ext.actual->next->next->next->expr);
   13014           14 :   gfc_add_block_to_block (&block, &argse.pre);
   13015           14 :   gfc_add_block_to_block (&post_block, &argse.post);
   13016           14 :   new_val = argse.expr;
   13017              : 
   13018              :   /* STAT=  */
   13019           14 :   if (code->ext.actual->next->next->next->next->expr != NULL)
   13020              :     {
   13021           14 :       gcc_assert (code->ext.actual->next->next->next->next->expr->expr_type
   13022              :                   == EXPR_VARIABLE);
   13023           14 :       gfc_init_se (&argse, NULL);
   13024           14 :       if (flag_coarray == GFC_FCOARRAY_LIB)
   13025            8 :         argse.want_pointer = 1;
   13026           14 :       gfc_conv_expr_val (&argse,
   13027           14 :                          code->ext.actual->next->next->next->next->expr);
   13028           14 :       gfc_add_block_to_block (&block, &argse.pre);
   13029           14 :       gfc_add_block_to_block (&post_block, &argse.post);
   13030           14 :       stat = argse.expr;
   13031              :     }
   13032            0 :   else if (flag_coarray == GFC_FCOARRAY_LIB)
   13033            0 :     stat = null_pointer_node;
   13034              : 
   13035           14 :   if (flag_coarray == GFC_FCOARRAY_LIB)
   13036              :     {
   13037            8 :       tree image_index, caf_decl, offset, token;
   13038              : 
   13039            8 :       caf_decl = gfc_get_tree_for_caf_expr (atom_expr);
   13040            8 :       if (TREE_CODE (TREE_TYPE (caf_decl)) == REFERENCE_TYPE)
   13041            0 :         caf_decl = build_fold_indirect_ref_loc (input_location, caf_decl);
   13042              : 
   13043            8 :       if (gfc_is_coindexed (atom_expr))
   13044            8 :         image_index = gfc_caf_get_image_index (&block, atom_expr, caf_decl);
   13045              :       else
   13046            0 :         image_index = integer_zero_node;
   13047              : 
   13048            8 :       if (TREE_TYPE (TREE_TYPE (new_val)) != TREE_TYPE (TREE_TYPE (old)))
   13049              :         {
   13050            0 :           tmp = gfc_create_var (TREE_TYPE (TREE_TYPE (old)), "new");
   13051            0 :           gfc_add_modify (&block, tmp, fold_convert (TREE_TYPE (tmp), new_val));
   13052            0 :           new_val = gfc_build_addr_expr (NULL_TREE, tmp);
   13053              :         }
   13054              : 
   13055            8 :       gfc_init_se (&argse, NULL);
   13056            8 :       gfc_get_caf_token_offset (&argse, &token, &offset, caf_decl, atom,
   13057              :                                 atom_expr);
   13058            8 :       gfc_add_block_to_block (&block, &argse.pre);
   13059              : 
   13060            8 :       tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_atomic_cas, 9,
   13061              :                                  token, offset, image_index, old, comp, new_val,
   13062              :                                  stat, build_int_cst (integer_type_node,
   13063            8 :                                                       (int) atom_expr->ts.type),
   13064              :                                  build_int_cst (integer_type_node,
   13065            8 :                                                 (int) atom_expr->ts.kind));
   13066            8 :       gfc_add_expr_to_block (&block, tmp);
   13067            8 :       gfc_add_block_to_block (&block, &argse.post);
   13068            8 :       gfc_add_block_to_block (&block, &post_block);
   13069            8 :       return gfc_finish_block (&block);
   13070              :     }
   13071              : 
   13072            6 :   tmp = TREE_TYPE (TREE_TYPE (atom));
   13073           12 :   fn = (built_in_function) ((int) BUILT_IN_ATOMIC_COMPARE_EXCHANGE_N
   13074            6 :                             + exact_log2 (tree_to_uhwi (TYPE_SIZE_UNIT (tmp)))
   13075            6 :                             + 1);
   13076            6 :   tmp = builtin_decl_explicit (fn);
   13077              : 
   13078            6 :   gfc_add_modify (&block, old, comp);
   13079           12 :   tmp = build_call_expr_loc (input_location, tmp, 6, atom,
   13080              :                              gfc_build_addr_expr (NULL, old),
   13081            6 :                              fold_convert (TREE_TYPE (old), new_val),
   13082              :                              boolean_false_node,
   13083              :                              build_int_cst (NULL, MEMMODEL_RELAXED),
   13084              :                              build_int_cst (NULL, MEMMODEL_RELAXED));
   13085            6 :   gfc_add_expr_to_block (&block, tmp);
   13086              : 
   13087            6 :   if (stat != NULL_TREE)
   13088            6 :     gfc_add_modify (&block, stat, build_int_cst (TREE_TYPE (stat), 0));
   13089            6 :   gfc_add_block_to_block (&block, &post_block);
   13090            6 :   return gfc_finish_block (&block);
   13091              : }
   13092              : 
   13093              : static tree
   13094          105 : conv_intrinsic_event_query (gfc_code *code)
   13095              : {
   13096          105 :   gfc_se se, argse;
   13097          105 :   tree stat = NULL_TREE, stat2 = NULL_TREE;
   13098          105 :   tree count = NULL_TREE, count2 = NULL_TREE;
   13099              : 
   13100          105 :   gfc_expr *event_expr = code->ext.actual->expr;
   13101              : 
   13102          105 :   if (code->ext.actual->next->next->expr)
   13103              :     {
   13104           18 :       gcc_assert (code->ext.actual->next->next->expr->expr_type
   13105              :                   == EXPR_VARIABLE);
   13106           18 :       gfc_init_se (&argse, NULL);
   13107           18 :       gfc_conv_expr_val (&argse, code->ext.actual->next->next->expr);
   13108           18 :       stat = argse.expr;
   13109              :     }
   13110           87 :   else if (flag_coarray == GFC_FCOARRAY_LIB)
   13111           58 :     stat = null_pointer_node;
   13112              : 
   13113          105 :   if (code->ext.actual->next->expr)
   13114              :     {
   13115          105 :       gcc_assert (code->ext.actual->next->expr->expr_type == EXPR_VARIABLE);
   13116          105 :       gfc_init_se (&argse, NULL);
   13117          105 :       gfc_conv_expr_val (&argse, code->ext.actual->next->expr);
   13118          105 :       count = argse.expr;
   13119              :     }
   13120              : 
   13121          105 :   gfc_start_block (&se.pre);
   13122          105 :   if (flag_coarray == GFC_FCOARRAY_LIB)
   13123              :     {
   13124           70 :       tree tmp, token, image_index;
   13125           70 :       tree index = build_zero_cst (gfc_array_index_type);
   13126              : 
   13127           70 :       if (event_expr->expr_type == EXPR_FUNCTION
   13128            0 :           && event_expr->value.function.isym
   13129            0 :           && event_expr->value.function.isym->id == GFC_ISYM_CAF_GET)
   13130            0 :         event_expr = event_expr->value.function.actual->expr;
   13131              : 
   13132           70 :       tree caf_decl = gfc_get_tree_for_caf_expr (event_expr);
   13133              : 
   13134           70 :       if (event_expr->symtree->n.sym->ts.type != BT_DERIVED
   13135           70 :           || event_expr->symtree->n.sym->ts.u.derived->from_intmod
   13136              :              != INTMOD_ISO_FORTRAN_ENV
   13137           70 :           || event_expr->symtree->n.sym->ts.u.derived->intmod_sym_id
   13138              :              != ISOFORTRAN_EVENT_TYPE)
   13139              :         {
   13140            0 :           gfc_error ("Sorry, the event component of derived type at %L is not "
   13141              :                      "yet supported", &event_expr->where);
   13142            0 :           return NULL_TREE;
   13143              :         }
   13144              : 
   13145           70 :       if (gfc_is_coindexed (event_expr))
   13146              :         {
   13147            0 :           gfc_error ("The event variable at %L shall not be coindexed",
   13148              :                      &event_expr->where);
   13149            0 :           return NULL_TREE;
   13150              :         }
   13151              : 
   13152           70 :       image_index = integer_zero_node;
   13153              : 
   13154           70 :       gfc_get_caf_token_offset (&se, &token, NULL, caf_decl, NULL_TREE,
   13155              :                                 event_expr);
   13156              : 
   13157              :       /* For arrays, obtain the array index.  */
   13158           70 :       if (gfc_expr_attr (event_expr).dimension)
   13159              :         {
   13160           52 :           tree desc, tmp, extent, lbound, ubound;
   13161           52 :           gfc_array_ref *ar, ar2;
   13162           52 :           int i;
   13163              : 
   13164              :           /* TODO: Extend this, once DT components are supported.  */
   13165           52 :           ar = &event_expr->ref->u.ar;
   13166           52 :           ar2 = *ar;
   13167           52 :           memset (ar, '\0', sizeof (*ar));
   13168           52 :           ar->as = ar2.as;
   13169           52 :           ar->type = AR_FULL;
   13170              : 
   13171           52 :           gfc_init_se (&argse, NULL);
   13172           52 :           argse.descriptor_only = 1;
   13173           52 :           gfc_conv_expr_descriptor (&argse, event_expr);
   13174           52 :           gfc_add_block_to_block (&se.pre, &argse.pre);
   13175           52 :           desc = argse.expr;
   13176           52 :           *ar = ar2;
   13177              : 
   13178           52 :           extent = build_one_cst (gfc_array_index_type);
   13179          156 :           for (i = 0; i < ar->dimen; i++)
   13180              :             {
   13181           52 :               gfc_init_se (&argse, NULL);
   13182           52 :               gfc_conv_expr_type (&argse, ar->start[i], gfc_array_index_type);
   13183           52 :               gfc_add_block_to_block (&argse.pre, &argse.pre);
   13184           52 :               lbound = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[i]);
   13185           52 :               tmp = fold_build2_loc (input_location, MINUS_EXPR,
   13186           52 :                                      TREE_TYPE (lbound), argse.expr, lbound);
   13187           52 :               tmp = fold_build2_loc (input_location, MULT_EXPR,
   13188           52 :                                      TREE_TYPE (tmp), extent, tmp);
   13189           52 :               index = fold_build2_loc (input_location, PLUS_EXPR,
   13190           52 :                                        TREE_TYPE (tmp), index, tmp);
   13191           52 :               if (i < ar->dimen - 1)
   13192              :                 {
   13193            0 :                   ubound = gfc_conv_descriptor_ubound_get (desc, gfc_rank_cst[i]);
   13194            0 :                   tmp = gfc_conv_array_extent_dim (lbound, ubound, NULL);
   13195            0 :                   extent = fold_build2_loc (input_location, MULT_EXPR,
   13196            0 :                                             TREE_TYPE (tmp), extent, tmp);
   13197              :                 }
   13198              :             }
   13199              :         }
   13200              : 
   13201           70 :       if (count != null_pointer_node && TREE_TYPE (count) != integer_type_node)
   13202              :         {
   13203            0 :           count2 = count;
   13204            0 :           count = gfc_create_var (integer_type_node, "count");
   13205              :         }
   13206              : 
   13207           70 :       if (stat != null_pointer_node && TREE_TYPE (stat) != integer_type_node)
   13208              :         {
   13209            0 :           stat2 = stat;
   13210            0 :           stat = gfc_create_var (integer_type_node, "stat");
   13211              :         }
   13212              : 
   13213           70 :       index = fold_convert (size_type_node, index);
   13214          140 :       tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_event_query, 5,
   13215              :                                    token, index, image_index, count
   13216           70 :                                    ? gfc_build_addr_expr (NULL, count) : count,
   13217           70 :                                    stat != null_pointer_node
   13218           12 :                                    ? gfc_build_addr_expr (NULL, stat) : stat);
   13219           70 :       gfc_add_expr_to_block (&se.pre, tmp);
   13220              : 
   13221           70 :       if (count2 != NULL_TREE)
   13222            0 :         gfc_add_modify (&se.pre, count2,
   13223            0 :                         fold_convert (TREE_TYPE (count2), count));
   13224              : 
   13225           70 :       if (stat2 != NULL_TREE)
   13226            0 :         gfc_add_modify (&se.pre, stat2,
   13227            0 :                         fold_convert (TREE_TYPE (stat2), stat));
   13228              : 
   13229           70 :       return gfc_finish_block (&se.pre);
   13230              :     }
   13231              : 
   13232           35 :   gfc_init_se (&argse, NULL);
   13233           35 :   gfc_conv_expr_val (&argse, code->ext.actual->expr);
   13234           35 :   gfc_add_modify (&se.pre, count, fold_convert (TREE_TYPE (count), argse.expr));
   13235              : 
   13236           35 :   if (stat != NULL_TREE)
   13237            6 :     gfc_add_modify (&se.pre, stat, build_int_cst (TREE_TYPE (stat), 0));
   13238              : 
   13239           35 :   return gfc_finish_block (&se.pre);
   13240              : }
   13241              : 
   13242              : 
   13243              : /* This is a peculiar case because of the need to do dependency checking.
   13244              :    It is called via trans-stmt.cc(gfc_trans_call), where it is picked out as
   13245              :    a special case and this function called instead of
   13246              :    gfc_conv_procedure_call.  */
   13247              : void
   13248          197 : gfc_conv_intrinsic_mvbits (gfc_se *se, gfc_actual_arglist *actual_args,
   13249              :                            gfc_loopinfo *loop)
   13250              : {
   13251          197 :   gfc_actual_arglist *actual;
   13252          197 :   gfc_se argse[5];
   13253          197 :   gfc_expr *arg[5];
   13254          197 :   gfc_ss *lss;
   13255          197 :   int n;
   13256              : 
   13257          197 :   tree from, frompos, len, to, topos;
   13258          197 :   tree lenmask, oldbits, newbits, bitsize;
   13259          197 :   tree type, utype, above, mask1, mask2;
   13260              : 
   13261          197 :   if (loop)
   13262           67 :     lss = loop->ss;
   13263              :   else
   13264          130 :     lss = gfc_ss_terminator;
   13265              : 
   13266              :   actual = actual_args;
   13267         1182 :   for (n = 0; n < 5; n++, actual = actual->next)
   13268              :     {
   13269          985 :       arg[n] = actual->expr;
   13270          985 :       gfc_init_se (&argse[n], NULL);
   13271              : 
   13272          985 :       if (lss != gfc_ss_terminator)
   13273              :         {
   13274          335 :           gfc_copy_loopinfo_to_se (&argse[n], loop);
   13275              :           /* Find the ss for the expression if it is there.  */
   13276          335 :           argse[n].ss = lss;
   13277          335 :           gfc_mark_ss_chain_used (lss, 1);
   13278              :         }
   13279              : 
   13280          985 :       gfc_conv_expr (&argse[n], arg[n]);
   13281              : 
   13282          985 :       if (loop)
   13283          335 :         lss = argse[n].ss;
   13284              :     }
   13285              : 
   13286          197 :   from    = argse[0].expr;
   13287          197 :   frompos = argse[1].expr;
   13288          197 :   len     = argse[2].expr;
   13289          197 :   to      = argse[3].expr;
   13290          197 :   topos   = argse[4].expr;
   13291              : 
   13292              :   /* The type of the result (TO).  */
   13293          197 :   type    = TREE_TYPE (to);
   13294          197 :   bitsize = build_int_cst (integer_type_node, TYPE_PRECISION (type));
   13295              : 
   13296              :   /* Optionally generate code for runtime argument check.  */
   13297          197 :   if (gfc_option.rtcheck & GFC_RTCHECK_BITS)
   13298              :     {
   13299           18 :       tree nbits, below, ccond;
   13300           18 :       tree fp = fold_convert (long_integer_type_node, frompos);
   13301           18 :       tree ln = fold_convert (long_integer_type_node, len);
   13302           18 :       tree tp = fold_convert (long_integer_type_node, topos);
   13303           18 :       below = fold_build2_loc (input_location, LT_EXPR,
   13304              :                                logical_type_node, frompos,
   13305           18 :                                build_int_cst (TREE_TYPE (frompos), 0));
   13306           18 :       above = fold_build2_loc (input_location, GT_EXPR,
   13307              :                                logical_type_node, frompos,
   13308           18 :                                fold_convert (TREE_TYPE (frompos), bitsize));
   13309           18 :       ccond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
   13310              :                                logical_type_node, below, above);
   13311           18 :       gfc_trans_runtime_check (true, false, ccond, &argse[1].pre,
   13312           18 :                                &arg[1]->where,
   13313              :                                "FROMPOS argument (%ld) out of range 0:%d "
   13314              :                                "in intrinsic MVBITS", fp, bitsize);
   13315           18 :       below = fold_build2_loc (input_location, LT_EXPR,
   13316              :                                logical_type_node, len,
   13317           18 :                                build_int_cst (TREE_TYPE (len), 0));
   13318           18 :       above = fold_build2_loc (input_location, GT_EXPR,
   13319              :                                logical_type_node, len,
   13320           18 :                                fold_convert (TREE_TYPE (len), bitsize));
   13321           18 :       ccond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
   13322              :                                logical_type_node, below, above);
   13323           18 :       gfc_trans_runtime_check (true, false, ccond, &argse[2].pre,
   13324           18 :                                &arg[2]->where,
   13325              :                                "LEN argument (%ld) out of range 0:%d "
   13326              :                                "in intrinsic MVBITS", ln, bitsize);
   13327           18 :       below = fold_build2_loc (input_location, LT_EXPR,
   13328              :                                logical_type_node, topos,
   13329           18 :                                build_int_cst (TREE_TYPE (topos), 0));
   13330           18 :       above = fold_build2_loc (input_location, GT_EXPR,
   13331              :                                logical_type_node, topos,
   13332           18 :                                fold_convert (TREE_TYPE (topos), bitsize));
   13333           18 :       ccond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
   13334              :                                logical_type_node, below, above);
   13335           18 :       gfc_trans_runtime_check (true, false, ccond, &argse[4].pre,
   13336           18 :                                &arg[4]->where,
   13337              :                                "TOPOS argument (%ld) out of range 0:%d "
   13338              :                                "in intrinsic MVBITS", tp, bitsize);
   13339              : 
   13340              :       /* The tests above ensure that FROMPOS, LEN and TOPOS fit into short
   13341              :          integers.  Additions below cannot overflow.  */
   13342           18 :       nbits = fold_convert (long_integer_type_node, bitsize);
   13343           18 :       above = fold_build2_loc (input_location, PLUS_EXPR,
   13344              :                                long_integer_type_node, fp, ln);
   13345           18 :       ccond = fold_build2_loc (input_location, GT_EXPR,
   13346              :                                logical_type_node, above, nbits);
   13347           18 :       gfc_trans_runtime_check (true, false, ccond, &argse[1].pre,
   13348              :                                &arg[1]->where,
   13349              :                                "FROMPOS(%ld)+LEN(%ld)>BIT_SIZE(%d) "
   13350              :                                "in intrinsic MVBITS", fp, ln, bitsize);
   13351           18 :       above = fold_build2_loc (input_location, PLUS_EXPR,
   13352              :                                long_integer_type_node, tp, ln);
   13353           18 :       ccond = fold_build2_loc (input_location, GT_EXPR,
   13354              :                                logical_type_node, above, nbits);
   13355           18 :       gfc_trans_runtime_check (true, false, ccond, &argse[4].pre,
   13356              :                                &arg[4]->where,
   13357              :                                "TOPOS(%ld)+LEN(%ld)>BIT_SIZE(%d) "
   13358              :                                "in intrinsic MVBITS", tp, ln, bitsize);
   13359              :     }
   13360              : 
   13361         1182 :   for (n = 0; n < 5; n++)
   13362              :     {
   13363          985 :       gfc_add_block_to_block (&se->pre, &argse[n].pre);
   13364          985 :       gfc_add_block_to_block (&se->post, &argse[n].post);
   13365              :     }
   13366              : 
   13367              :   /* lenmask = (LEN >= bit_size (TYPE)) ? ~(TYPE)0 : ((TYPE)1 << LEN) - 1  */
   13368          197 :   above = fold_build2_loc (input_location, GE_EXPR, logical_type_node,
   13369          197 :                            len, fold_convert (TREE_TYPE (len), bitsize));
   13370          197 :   mask1 = build_int_cst (type, -1);
   13371          197 :   mask2 = fold_build2_loc (input_location, LSHIFT_EXPR, type,
   13372              :                            build_int_cst (type, 1), len);
   13373          197 :   mask2 = fold_build2_loc (input_location, MINUS_EXPR, type,
   13374              :                            mask2, build_int_cst (type, 1));
   13375          197 :   lenmask = fold_build3_loc (input_location, COND_EXPR, type,
   13376              :                              above, mask1, mask2);
   13377              : 
   13378              :   /* newbits = (((UTYPE)(FROM) >> FROMPOS) & lenmask) << TOPOS.
   13379              :    * For valid frompos+len <= bit_size(FROM) the conversion to unsigned is
   13380              :    * not strictly necessary; artificial bits from rshift will be masked.  */
   13381          197 :   utype = unsigned_type_for (type);
   13382          197 :   newbits = fold_build2_loc (input_location, RSHIFT_EXPR, utype,
   13383              :                              fold_convert (utype, from), frompos);
   13384          197 :   newbits = fold_build2_loc (input_location, BIT_AND_EXPR, type,
   13385              :                              fold_convert (type, newbits), lenmask);
   13386          197 :   newbits = fold_build2_loc (input_location, LSHIFT_EXPR, type,
   13387              :                              newbits, topos);
   13388              : 
   13389              :   /* oldbits = TO & (~(lenmask << TOPOS)).  */
   13390          197 :   oldbits = fold_build2_loc (input_location, LSHIFT_EXPR, type,
   13391              :                              lenmask, topos);
   13392          197 :   oldbits = fold_build1_loc (input_location, BIT_NOT_EXPR, type, oldbits);
   13393          197 :   oldbits = fold_build2_loc (input_location, BIT_AND_EXPR, type, oldbits, to);
   13394              : 
   13395              :   /* TO = newbits | oldbits.  */
   13396          197 :   se->expr = fold_build2_loc (input_location, BIT_IOR_EXPR, type,
   13397              :                               oldbits, newbits);
   13398              : 
   13399              :   /* Return the assignment.  */
   13400          197 :   se->expr = fold_build2_loc (input_location, MODIFY_EXPR,
   13401              :                               void_type_node, to, se->expr);
   13402          197 : }
   13403              : 
   13404              : /* Comes from trans-stmt.cc, but we don't want the whole header included.  */
   13405              : extern void gfc_trans_sync_stat (struct sync_stat *sync_stat, gfc_se *se,
   13406              :                                  tree *stat, tree *errmsg, tree *errmsg_len);
   13407              : 
   13408              : static tree
   13409          263 : conv_intrinsic_move_alloc (gfc_code *code)
   13410              : {
   13411          263 :   stmtblock_t block;
   13412          263 :   gfc_expr *from_expr, *to_expr;
   13413          263 :   gfc_se from_se, to_se;
   13414          263 :   tree tmp, to_tree, from_tree, stat, errmsg, errmsg_len, fin_label = NULL_TREE;
   13415          263 :   bool coarray, from_is_class, from_is_scalar;
   13416          263 :   gfc_actual_arglist *arg = code->ext.actual;
   13417          263 :   sync_stat tmp_sync_stat = {nullptr, nullptr};
   13418              : 
   13419          263 :   gfc_start_block (&block);
   13420              : 
   13421          263 :   from_expr = arg->expr;
   13422          263 :   arg = arg->next;
   13423          263 :   to_expr = arg->expr;
   13424          263 :   arg = arg->next;
   13425              : 
   13426          789 :   while (arg)
   13427              :     {
   13428          526 :       if (arg->expr)
   13429              :         {
   13430            0 :           if (!strcmp ("stat", arg->name))
   13431            0 :             tmp_sync_stat.stat = arg->expr;
   13432            0 :           else if (!strcmp ("errmsg", arg->name))
   13433            0 :             tmp_sync_stat.errmsg = arg->expr;
   13434              :         }
   13435          526 :       arg = arg->next;
   13436              :     }
   13437              : 
   13438          263 :   gfc_init_se (&from_se, NULL);
   13439          263 :   gfc_init_se (&to_se, NULL);
   13440              : 
   13441          263 :   gfc_trans_sync_stat (&tmp_sync_stat, &from_se, &stat, &errmsg, &errmsg_len);
   13442          263 :   if (stat != null_pointer_node)
   13443            0 :     fin_label = gfc_build_label_decl (NULL_TREE);
   13444              : 
   13445          263 :   gcc_assert (from_expr->ts.type != BT_CLASS || to_expr->ts.type == BT_CLASS);
   13446          263 :   coarray = from_expr->corank != 0;
   13447              : 
   13448          263 :   from_is_class = from_expr->ts.type == BT_CLASS;
   13449          263 :   from_is_scalar = from_expr->rank == 0 && !coarray;
   13450          263 :   if (to_expr->ts.type == BT_CLASS || from_is_scalar)
   13451              :     {
   13452          163 :       from_se.want_pointer = 1;
   13453          163 :       if (from_is_scalar)
   13454          115 :         gfc_conv_expr (&from_se, from_expr);
   13455              :       else
   13456           48 :         gfc_conv_expr_descriptor (&from_se, from_expr);
   13457          163 :       if (from_is_class)
   13458           64 :         from_tree = gfc_class_data_get (from_se.expr);
   13459              :       else
   13460              :         {
   13461           99 :           gfc_symbol *vtab;
   13462           99 :           from_tree = from_se.expr;
   13463              : 
   13464           99 :           if (to_expr->ts.type == BT_CLASS)
   13465              :             {
   13466           36 :               vtab = gfc_find_vtab (&from_expr->ts);
   13467           36 :               gcc_assert (vtab);
   13468           36 :               from_se.expr = gfc_get_symbol_decl (vtab);
   13469              :             }
   13470              :         }
   13471          163 :       gfc_add_block_to_block (&block, &from_se.pre);
   13472              : 
   13473          163 :       to_se.want_pointer = 1;
   13474          163 :       if (to_expr->rank == 0)
   13475          115 :         gfc_conv_expr (&to_se, to_expr);
   13476              :       else
   13477           48 :         gfc_conv_expr_descriptor (&to_se, to_expr);
   13478          163 :       if (to_expr->ts.type == BT_CLASS)
   13479          100 :         to_tree = gfc_class_data_get (to_se.expr);
   13480              :       else
   13481           63 :         to_tree = to_se.expr;
   13482          163 :       gfc_add_block_to_block (&block, &to_se.pre);
   13483              : 
   13484              :       /* Deallocate "to".  */
   13485          163 :       if (to_expr->rank == 0)
   13486              :         {
   13487          115 :           tmp = gfc_deallocate_scalar_with_status (to_tree, stat, fin_label,
   13488              :                                                    true, to_expr, to_expr->ts,
   13489              :                                                    NULL_TREE, false, true,
   13490              :                                                    errmsg, errmsg_len);
   13491          115 :           gfc_add_expr_to_block (&block, tmp);
   13492              :         }
   13493              : 
   13494          163 :       if (from_is_scalar)
   13495              :         {
   13496              :           /* Assign (_data) pointers.  */
   13497          115 :           gfc_add_modify_loc (input_location, &block, to_tree,
   13498          115 :                               fold_convert (TREE_TYPE (to_tree), from_tree));
   13499              : 
   13500              :           /* Set "from" to NULL.  */
   13501          115 :           gfc_add_modify_loc (input_location, &block, from_tree,
   13502          115 :                               fold_convert (TREE_TYPE (from_tree),
   13503              :                                             null_pointer_node));
   13504              : 
   13505          115 :           gfc_add_block_to_block (&block, &from_se.post);
   13506              :         }
   13507          163 :       gfc_add_block_to_block (&block, &to_se.post);
   13508              : 
   13509              :       /* Set _vptr.  */
   13510          163 :       if (to_expr->ts.type == BT_CLASS)
   13511              :         {
   13512          100 :           gfc_class_set_vptr (&block, to_se.expr, from_se.expr);
   13513          100 :           if (from_is_class)
   13514           64 :             gfc_reset_vptr (&block, from_expr);
   13515          100 :           if (UNLIMITED_POLY (to_expr))
   13516              :             {
   13517           20 :               tree to_len = gfc_class_len_get (to_se.class_container);
   13518           20 :               tmp = from_expr->ts.type == BT_CHARACTER && from_se.string_length
   13519           20 :                       ? from_se.string_length
   13520              :                       : size_zero_node;
   13521           20 :               gfc_add_modify_loc (input_location, &block, to_len,
   13522           20 :                                   fold_convert (TREE_TYPE (to_len), tmp));
   13523              :             }
   13524              :         }
   13525              : 
   13526          163 :       if (from_is_scalar)
   13527              :         {
   13528          115 :           if (to_expr->ts.type == BT_CHARACTER && to_expr->ts.deferred)
   13529              :             {
   13530            6 :               gfc_add_modify_loc (input_location, &block, to_se.string_length,
   13531            6 :                                   fold_convert (TREE_TYPE (to_se.string_length),
   13532              :                                                 from_se.string_length));
   13533            6 :               if (from_expr->ts.deferred)
   13534            6 :                 gfc_add_modify_loc (
   13535              :                   input_location, &block, from_se.string_length,
   13536            6 :                   build_int_cst (TREE_TYPE (from_se.string_length), 0));
   13537              :             }
   13538          115 :           if (UNLIMITED_POLY (from_expr))
   13539            2 :             gfc_reset_len (&block, from_expr);
   13540              : 
   13541          115 :           return gfc_finish_block (&block);
   13542              :         }
   13543              : 
   13544           48 :       gfc_init_se (&to_se, NULL);
   13545           48 :       gfc_init_se (&from_se, NULL);
   13546              :     }
   13547              : 
   13548              :   /* Deallocate "to".  */
   13549          148 :   if (from_expr->rank == 0)
   13550              :     {
   13551            4 :       to_se.want_coarray = 1;
   13552            4 :       from_se.want_coarray = 1;
   13553              :     }
   13554          148 :   gfc_conv_expr_descriptor (&to_se, to_expr);
   13555          148 :   gfc_conv_expr_descriptor (&from_se, from_expr);
   13556          148 :   gfc_add_block_to_block (&block, &to_se.pre);
   13557          148 :   gfc_add_block_to_block (&block, &from_se.pre);
   13558              : 
   13559              :   /* For coarrays, call SYNC ALL if TO is already deallocated as MOVE_ALLOC
   13560              :      is an image control "statement", cf. IR F08/0040 in 12-006A.  */
   13561          148 :   if (coarray && flag_coarray == GFC_FCOARRAY_LIB)
   13562              :     {
   13563            6 :       tree cond;
   13564              : 
   13565            6 :       tmp = gfc_deallocate_with_status (to_se.expr, stat, errmsg, errmsg_len,
   13566              :                                         fin_label, true, to_expr,
   13567              :                                         GFC_CAF_COARRAY_DEALLOCATE_ONLY,
   13568              :                                         NULL_TREE, NULL_TREE,
   13569              :                                         gfc_conv_descriptor_token (to_se.expr),
   13570              :                                         true);
   13571            6 :       gfc_add_expr_to_block (&block, tmp);
   13572              : 
   13573            6 :       tmp = gfc_conv_descriptor_data_get (to_se.expr);
   13574            6 :       cond = fold_build2_loc (input_location, EQ_EXPR,
   13575              :                               logical_type_node, tmp,
   13576            6 :                               fold_convert (TREE_TYPE (tmp),
   13577              :                                             null_pointer_node));
   13578            6 :       tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_sync_all,
   13579              :                                  3, null_pointer_node, null_pointer_node,
   13580              :                                  integer_zero_node);
   13581              : 
   13582            6 :       tmp = fold_build3_loc (input_location, COND_EXPR, void_type_node, cond,
   13583              :                              tmp, build_empty_stmt (input_location));
   13584            6 :       gfc_add_expr_to_block (&block, tmp);
   13585            6 :     }
   13586              :   else
   13587              :     {
   13588          142 :       if (to_expr->ts.type == BT_DERIVED
   13589           25 :           && to_expr->ts.u.derived->attr.alloc_comp)
   13590              :         {
   13591           19 :           tmp = gfc_deallocate_alloc_comp (to_expr->ts.u.derived,
   13592              :                                            to_se.expr, to_expr->rank);
   13593           19 :           gfc_add_expr_to_block (&block, tmp);
   13594              :         }
   13595              : 
   13596          142 :       tmp = gfc_deallocate_with_status (to_se.expr, stat, errmsg, errmsg_len,
   13597              :                                         fin_label, true, to_expr,
   13598              :                                         GFC_CAF_COARRAY_NOCOARRAY, NULL_TREE,
   13599              :                                         NULL_TREE, NULL_TREE, true);
   13600          142 :       gfc_add_expr_to_block (&block, tmp);
   13601              :     }
   13602              : 
   13603              :   /* Copy the array descriptor data.  */
   13604          148 :   gfc_add_modify_loc (input_location, &block, to_se.expr, from_se.expr);
   13605              : 
   13606              :   /* Set "from" to NULL.  */
   13607          148 :   tmp = gfc_conv_descriptor_data_get (from_se.expr);
   13608          148 :   gfc_add_modify_loc (input_location, &block, tmp,
   13609          148 :                       fold_convert (TREE_TYPE (tmp), null_pointer_node));
   13610              : 
   13611          148 :   if (coarray && flag_coarray == GFC_FCOARRAY_LIB)
   13612              :     {
   13613              :       /* Copy the array descriptor data has overwritten the to-token and cleared
   13614              :          from.data.  Now also clear the from.token.  */
   13615            6 :       gfc_add_modify (&block, gfc_conv_descriptor_token (from_se.expr),
   13616              :                       null_pointer_node);
   13617              :     }
   13618              : 
   13619          148 :   if (to_expr->ts.type == BT_CHARACTER && to_expr->ts.deferred)
   13620              :     {
   13621            7 :       gfc_add_modify_loc (input_location, &block, to_se.string_length,
   13622            7 :                           fold_convert (TREE_TYPE (to_se.string_length),
   13623              :                                         from_se.string_length));
   13624            7 :       if (from_expr->ts.deferred)
   13625            6 :         gfc_add_modify_loc (input_location, &block, from_se.string_length,
   13626            6 :                         build_int_cst (TREE_TYPE (from_se.string_length), 0));
   13627              :     }
   13628          148 :   if (fin_label)
   13629            0 :     gfc_add_expr_to_block (&block, build1_v (LABEL_EXPR, fin_label));
   13630              : 
   13631          148 :   gfc_add_block_to_block (&block, &to_se.post);
   13632          148 :   gfc_add_block_to_block (&block, &from_se.post);
   13633              : 
   13634          148 :   return gfc_finish_block (&block);
   13635              : }
   13636              : 
   13637              : 
   13638              : tree
   13639         6920 : gfc_conv_intrinsic_subroutine (gfc_code *code)
   13640              : {
   13641         6920 :   tree res;
   13642              : 
   13643         6920 :   gcc_assert (code->resolved_isym);
   13644              : 
   13645         6920 :   switch (code->resolved_isym->id)
   13646              :     {
   13647          263 :     case GFC_ISYM_MOVE_ALLOC:
   13648          263 :       res = conv_intrinsic_move_alloc (code);
   13649          263 :       break;
   13650              : 
   13651           14 :     case GFC_ISYM_ATOMIC_CAS:
   13652           14 :       res = conv_intrinsic_atomic_cas (code);
   13653           14 :       break;
   13654              : 
   13655           95 :     case GFC_ISYM_ATOMIC_ADD:
   13656           95 :     case GFC_ISYM_ATOMIC_AND:
   13657           95 :     case GFC_ISYM_ATOMIC_DEF:
   13658           95 :     case GFC_ISYM_ATOMIC_OR:
   13659           95 :     case GFC_ISYM_ATOMIC_XOR:
   13660           95 :     case GFC_ISYM_ATOMIC_FETCH_ADD:
   13661           95 :     case GFC_ISYM_ATOMIC_FETCH_AND:
   13662           95 :     case GFC_ISYM_ATOMIC_FETCH_OR:
   13663           95 :     case GFC_ISYM_ATOMIC_FETCH_XOR:
   13664           95 :       res = conv_intrinsic_atomic_op (code);
   13665           95 :       break;
   13666              : 
   13667          176 :     case GFC_ISYM_ATOMIC_REF:
   13668          176 :       res = conv_intrinsic_atomic_ref (code);
   13669          176 :       break;
   13670              : 
   13671          105 :     case GFC_ISYM_EVENT_QUERY:
   13672          105 :       res = conv_intrinsic_event_query (code);
   13673          105 :       break;
   13674              : 
   13675         3303 :     case GFC_ISYM_C_F_POINTER:
   13676         3303 :     case GFC_ISYM_C_F_PROCPOINTER:
   13677         3303 :       res = conv_isocbinding_subroutine (code);
   13678         3303 :       break;
   13679              : 
   13680           60 :     case GFC_ISYM_C_F_STRPOINTER:
   13681           60 :       res = conv_isocbinding_subroutine_strpointer (code);
   13682           60 :       break;
   13683              : 
   13684          360 :     case GFC_ISYM_CAF_SEND:
   13685          360 :       res = conv_caf_send_to_remote (code);
   13686          360 :       break;
   13687              : 
   13688          140 :     case GFC_ISYM_CAF_SENDGET:
   13689          140 :       res = conv_caf_sendget (code);
   13690          140 :       break;
   13691              : 
   13692           88 :     case GFC_ISYM_CO_BROADCAST:
   13693           88 :     case GFC_ISYM_CO_MIN:
   13694           88 :     case GFC_ISYM_CO_MAX:
   13695           88 :     case GFC_ISYM_CO_REDUCE:
   13696           88 :     case GFC_ISYM_CO_SUM:
   13697           88 :       res = conv_co_collective (code);
   13698           88 :       break;
   13699              : 
   13700           10 :     case GFC_ISYM_FREE:
   13701           10 :       res = conv_intrinsic_free (code);
   13702           10 :       break;
   13703              : 
   13704           55 :     case GFC_ISYM_FSTAT:
   13705           55 :     case GFC_ISYM_LSTAT:
   13706           55 :     case GFC_ISYM_STAT:
   13707           55 :       res = conv_intrinsic_fstat_lstat_stat_sub (code);
   13708           55 :       break;
   13709              : 
   13710           90 :     case GFC_ISYM_RANDOM_INIT:
   13711           90 :       res = conv_intrinsic_random_init (code);
   13712           90 :       break;
   13713              : 
   13714           15 :     case GFC_ISYM_KILL:
   13715           15 :       res = conv_intrinsic_kill_sub (code);
   13716           15 :       break;
   13717              : 
   13718              :     case GFC_ISYM_MVBITS:
   13719              :       res = NULL_TREE;
   13720              :       break;
   13721              : 
   13722          196 :     case GFC_ISYM_SYSTEM_CLOCK:
   13723          196 :       res = conv_intrinsic_system_clock (code);
   13724          196 :       break;
   13725              : 
   13726          102 :     case GFC_ISYM_SPLIT:
   13727          102 :       res = conv_intrinsic_split (code);
   13728          102 :       break;
   13729              : 
   13730              :     default:
   13731              :       res = NULL_TREE;
   13732              :       break;
   13733              :     }
   13734              : 
   13735         6920 :   return res;
   13736              : }
   13737              : 
   13738              : #include "gt-fortran-trans-intrinsic.h"
        

Generated by: LCOV version 2.4-beta

LCOV profile is generated on x86_64 machine using following configure options: configure --disable-bootstrap --enable-coverage=opt --enable-languages=c,c++,fortran,go,jit,lto,rust,m2 --enable-host-shared. GCC test suite is run with the built compiler.