LCOV - code coverage report
Current view: top level - gcc/fortran - trans-intrinsic.cc (source / functions) Coverage Total Hit
Test: gcc.info Lines: 94.8 % 7074 6707
Test Date: 2026-09-12 16:25:28 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        11472 : builtin_decl_for_precision (enum built_in_function base_built_in,
     146              :                             int precision)
     147              : {
     148        11472 :   enum built_in_function i = END_BUILTINS;
     149              : 
     150        11472 :   gfc_intrinsic_map_t *m;
     151       491199 :   for (m = gfc_intrinsic_map; m->double_built_in != base_built_in ; m++)
     152              :     ;
     153              : 
     154        11472 :   if (precision == TYPE_PRECISION (float_type_node))
     155         5832 :     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        11348 :   return (i == END_BUILTINS ? NULL_TREE : builtin_decl_explicit (i));
     170              : }
     171              : 
     172              : 
     173              : tree
     174        10433 : gfc_builtin_decl_for_float_kind (enum built_in_function double_built_in,
     175              :                                  int kind)
     176              : {
     177        10433 :   int i = gfc_validate_kind (BT_REAL, kind, false);
     178              : 
     179        10433 :   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         9528 :   return builtin_decl_for_precision (double_built_in,
     191         9528 :                                      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        82852 : gfc_conv_intrinsic_function_args (gfc_se *se, gfc_expr *expr,
     202              :                                   tree *argarray, int nargs)
     203              : {
     204        82852 :   gfc_actual_arglist *actual;
     205        82852 :   gfc_expr *e;
     206        82852 :   gfc_intrinsic_arg  *formal;
     207        82852 :   gfc_se argse;
     208        82852 :   int curr_arg;
     209              : 
     210        82852 :   formal = expr->value.function.isym->formal;
     211        82852 :   actual = expr->value.function.actual;
     212              : 
     213       186530 :    for (curr_arg = 0; curr_arg < nargs; curr_arg++,
     214        63852 :         actual = actual->next,
     215       103678 :         formal = formal ? formal->next : NULL)
     216              :     {
     217       103678 :       gcc_assert (actual);
     218       103678 :       e = actual->expr;
     219              :       /* Skip omitted optional arguments.  */
     220       103678 :       if (!e)
     221              :         {
     222           31 :           --curr_arg;
     223           31 :           continue;
     224              :         }
     225              : 
     226              :       /* Evaluate the parameter.  This will substitute scalarized
     227              :          references automatically.  */
     228       103647 :       gfc_init_se (&argse, se);
     229              : 
     230       103647 :       if (e->ts.type == BT_CHARACTER)
     231              :         {
     232         9642 :           gfc_conv_expr (&argse, e);
     233         9642 :           gfc_conv_string_parameter (&argse);
     234         9642 :           argarray[curr_arg++] = argse.string_length;
     235         9642 :           gcc_assert (curr_arg < nargs);
     236              :         }
     237              :       else
     238        94005 :         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       103647 :       if (e->expr_type == EXPR_VARIABLE
     243        52784 :             && 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       103647 :       gfc_add_block_to_block (&se->pre, &argse.pre);
     249       103647 :       gfc_add_block_to_block (&se->post, &argse.post);
     250       103647 :       argarray[curr_arg] = argse.expr;
     251              :     }
     252        82852 : }
     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        57478 : gfc_intrinsic_argument_list_length (gfc_expr *expr)
     259              : {
     260        57478 :   int n = 0;
     261        57478 :   gfc_actual_arglist *actual;
     262              : 
     263       130218 :   for (actual = expr->value.function.actual; actual; actual = actual->next)
     264              :     {
     265        72740 :       if (!actual->expr)
     266         6382 :         continue;
     267              : 
     268        66358 :       if (actual->expr->ts.type == BT_CHARACTER)
     269         4551 :         n += 2;
     270              :       else
     271        61807 :         n++;
     272              :     }
     273              : 
     274        57478 :   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        41275 : gfc_conv_intrinsic_conversion (gfc_se * se, gfc_expr * expr)
     283              : {
     284        41275 :   tree type;
     285        41275 :   tree *args;
     286        41275 :   int nargs;
     287              : 
     288        41275 :   nargs = gfc_intrinsic_argument_list_length (expr);
     289        41275 :   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        41275 :   type = gfc_typenode_for_spec (&expr->ts);
     295        41275 :   gcc_assert (expr->value.function.actual->expr);
     296        41275 :   gfc_conv_intrinsic_function_args (se, expr, args, nargs);
     297              : 
     298              :   /* Conversion between character kinds involves a call to a library
     299              :      function.  */
     300        41275 :   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        41027 :   if (TREE_CODE (TREE_TYPE (args[0])) == COMPLEX_TYPE
     337        41027 :       && 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        41027 :   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       676200 : define_quad_builtin (const char *name, tree type, bool is_const)
     595              : {
     596       676200 :   tree fndecl;
     597       676200 :   fndecl = build_decl (input_location, FUNCTION_DECL, get_identifier (name),
     598              :                        type);
     599              : 
     600              :   /* Mark the decl as external.  */
     601       676200 :   DECL_EXTERNAL (fndecl) = 1;
     602       676200 :   TREE_PUBLIC (fndecl) = 1;
     603              : 
     604              :   /* Mark it __attribute__((const)).  */
     605       676200 :   TREE_READONLY (fndecl) = is_const;
     606              : 
     607       676200 :   rest_of_decl_compilation (fndecl, 1, 0);
     608              : 
     609       676200 :   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     46513830 : add_simd_flag_for_built_in (tree fndecl)
     617              : {
     618     46513830 :   if (gfc_vectorized_builtins == NULL
     619     18576740 :       || fndecl == NULL_TREE)
     620     38484900 :     return;
     621              : 
     622      8028930 :   const char *name = IDENTIFIER_POINTER (DECL_NAME (fndecl));
     623      8028930 :   int *clauses = gfc_vectorized_builtins->get (name);
     624      8028930 :   if (clauses)
     625              :     {
     626      5037148 :       for (unsigned i = 0; i < 3; i++)
     627      3777861 :         if (*clauses & (1 << i))
     628              :           {
     629      1259292 :             gfc_simd_clause simd_type = (gfc_simd_clause)*clauses;
     630      1259292 :             tree omp_clause = NULL_TREE;
     631      1259292 :             if (simd_type == SIMD_NONE)
     632              :               ; /* No SIMD clause.  */
     633              :             else
     634              :               {
     635      1259292 :                 omp_clause_code code
     636              :                   = (simd_type == SIMD_INBRANCH
     637      1259292 :                      ? OMP_CLAUSE_INBRANCH : OMP_CLAUSE_NOTINBRANCH);
     638      1259292 :                 omp_clause = build_omp_clause (UNKNOWN_LOCATION, code);
     639      1259292 :                 omp_clause = build_tree_list (NULL_TREE, omp_clause);
     640              :               }
     641              : 
     642      1259292 :             DECL_ATTRIBUTES (fndecl)
     643      2518584 :               = tree_cons (get_identifier ("omp declare simd"), omp_clause,
     644      1259292 :                            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        78837 : gfc_adjust_builtins (void)
     654              : {
     655        78837 :   gfc_intrinsic_map_t *m;
     656      4730220 :   for (m = gfc_intrinsic_map;
     657      4730220 :        m->id != GFC_ISYM_NONE || m->double_built_in != END_BUILTINS; m++)
     658              :     {
     659      4651383 :       add_simd_flag_for_built_in (m->real4_decl);
     660      4651383 :       add_simd_flag_for_built_in (m->complex4_decl);
     661      4651383 :       add_simd_flag_for_built_in (m->real8_decl);
     662      4651383 :       add_simd_flag_for_built_in (m->complex8_decl);
     663      4651383 :       add_simd_flag_for_built_in (m->real10_decl);
     664      4651383 :       add_simd_flag_for_built_in (m->complex10_decl);
     665      4651383 :       add_simd_flag_for_built_in (m->real16_decl);
     666      4651383 :       add_simd_flag_for_built_in (m->complex16_decl);
     667      4651383 :       add_simd_flag_for_built_in (m->real16_decl);
     668      4651383 :       add_simd_flag_for_built_in (m->complex16_decl);
     669              :     }
     670              : 
     671              :   /* Release all strings.  */
     672        78837 :   if (gfc_vectorized_builtins != NULL)
     673              :     {
     674      1700035 :       for (hash_map<nofree_string_hash, int>::iterator it
     675        31486 :            = gfc_vectorized_builtins->begin ();
     676      1731521 :            it != gfc_vectorized_builtins->end (); ++it)
     677      1700035 :         free (const_cast<char *> ((*it).first));
     678              : 
     679        62972 :       delete gfc_vectorized_builtins;
     680        31486 :       gfc_vectorized_builtins = NULL;
     681              :     }
     682        78837 : }
     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        32200 : gfc_build_intrinsic_lib_fndecls (void)
     689              : {
     690        32200 :   gfc_intrinsic_map_t *m;
     691        32200 :   tree quad_decls[END_BUILTINS + 1];
     692              : 
     693        32200 :   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        32200 :     tree type, complex_type, func_1, func_2, func_3, func_cabs, func_frexp;
     700        32200 :     tree func_iround, func_lround, func_llround, func_scalbn, func_cpow;
     701              : 
     702        32200 :     memset (quad_decls, 0, sizeof(tree) * (END_BUILTINS + 1));
     703              : 
     704        32200 :     type = gfc_float128_type_node;
     705        32200 :     complex_type = gfc_complex_float128_type_node;
     706              :     /* type (*) (type) */
     707        32200 :     func_1 = build_function_type_list (type, type, NULL_TREE);
     708              :     /* int (*) (type) */
     709        32200 :     func_iround = build_function_type_list (integer_type_node,
     710              :                                             type, NULL_TREE);
     711              :     /* long (*) (type) */
     712        32200 :     func_lround = build_function_type_list (long_integer_type_node,
     713              :                                             type, NULL_TREE);
     714              :     /* long long (*) (type) */
     715        32200 :     func_llround = build_function_type_list (long_long_integer_type_node,
     716              :                                              type, NULL_TREE);
     717              :     /* type (*) (type, type) */
     718        32200 :     func_2 = build_function_type_list (type, type, type, NULL_TREE);
     719              :     /* type (*) (type, type, type) */
     720        32200 :     func_3 = build_function_type_list (type, type, type, type, NULL_TREE);
     721              :     /* type (*) (type, &int) */
     722        32200 :     func_frexp
     723        32200 :       = build_function_type_list (type,
     724              :                                   type,
     725              :                                   build_pointer_type (integer_type_node),
     726              :                                   NULL_TREE);
     727              :     /* type (*) (type, int) */
     728        32200 :     func_scalbn = build_function_type_list (type,
     729              :                                             type, integer_type_node, NULL_TREE);
     730              :     /* type (*) (complex type) */
     731        32200 :     func_cabs = build_function_type_list (type, complex_type, NULL_TREE);
     732              :     /* complex type (*) (complex type, complex type) */
     733        32200 :     func_cpow
     734        32200 :       = 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        32200 :     quad_decls[BUILT_IN_SQRT]
     762        32200 :       = define_quad_builtin (gfc_real16_use_iec_60559
     763              :                              ? "sqrtf128" : "sqrtq", func_1, true);
     764              :   }
     765              : 
     766              :   /* Add GCC builtin functions.  */
     767      1932000 :   for (m = gfc_intrinsic_map;
     768      1932000 :        m->id != GFC_ISYM_NONE || m->double_built_in != END_BUILTINS; m++)
     769              :     {
     770      1899800 :       if (m->float_built_in != END_BUILTINS)
     771      1771000 :         m->real4_decl = builtin_decl_explicit (m->float_built_in);
     772      1899800 :       if (m->complex_float_built_in != END_BUILTINS)
     773       515200 :         m->complex4_decl = builtin_decl_explicit (m->complex_float_built_in);
     774      1899800 :       if (m->double_built_in != END_BUILTINS)
     775      1771000 :         m->real8_decl = builtin_decl_explicit (m->double_built_in);
     776      1899800 :       if (m->complex_double_built_in != END_BUILTINS)
     777       515200 :         m->complex8_decl = builtin_decl_explicit (m->complex_double_built_in);
     778              : 
     779              :       /* If real(kind=10) exists, it is always long double.  */
     780      1899800 :       if (m->long_double_built_in != END_BUILTINS)
     781      1771000 :         m->real10_decl = builtin_decl_explicit (m->long_double_built_in);
     782      1899800 :       if (m->complex_long_double_built_in != END_BUILTINS)
     783       515200 :         m->complex10_decl
     784       515200 :           = builtin_decl_explicit (m->complex_long_double_built_in);
     785              : 
     786      1899800 :       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      1899800 :       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       676200 :           m->real16_decl = quad_decls[m->double_built_in];
     800              :         }
     801      1223600 :       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        32200 : }
     808              : 
     809              : 
     810              : /* Create a fndecl for a simple intrinsic library function.  */
     811              : 
     812              : static tree
     813         4547 : gfc_get_intrinsic_lib_fndecl (gfc_intrinsic_map_t * m, gfc_expr * expr)
     814              : {
     815         4547 :   tree type;
     816         4547 :   vec<tree, va_gc> *argtypes;
     817         4547 :   tree fndecl;
     818         4547 :   gfc_actual_arglist *actual;
     819         4547 :   tree *pdecl;
     820         4547 :   gfc_typespec *ts;
     821         4547 :   char name[GFC_MAX_SYMBOL_LEN + 3];
     822              : 
     823         4547 :   ts = &expr->ts;
     824         4547 :   if (ts->type == BT_REAL)
     825              :     {
     826         3685 :       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          600 :         case 10:
     835          600 :           pdecl = &m->real10_decl;
     836          600 :           break;
     837          470 :         case 16:
     838          470 :           pdecl = &m->real16_decl;
     839          470 :           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         4547 :   if (*pdecl)
     870              :     return *pdecl;
     871              : 
     872          409 :   if (m->libm_name)
     873              :     {
     874          178 :       int n = gfc_validate_kind (BT_REAL, ts->kind, false);
     875          178 :       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          178 :       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          178 :       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          178 :       else if (gfc_real_kinds[n].c_float128)
     885          178 :         snprintf (name, sizeof (name), "%s%s%s",
     886          178 :                   ts->type == BT_COMPLEX ? "c" : "", m->name,
     887          178 :                   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          409 :   argtypes = NULL;
     899          838 :   for (actual = expr->value.function.actual; actual; actual = actual->next)
     900              :     {
     901          429 :       type = gfc_typenode_for_spec (&actual->expr->ts);
     902          429 :       vec_safe_push (argtypes, type);
     903              :     }
     904         1227 :   type = build_function_type_vec (gfc_typenode_for_spec (ts), argtypes);
     905          409 :   fndecl = build_decl (input_location,
     906              :                        FUNCTION_DECL, get_identifier (name), type);
     907              : 
     908              :   /* Mark the decl as external.  */
     909          409 :   DECL_EXTERNAL (fndecl) = 1;
     910          409 :   TREE_PUBLIC (fndecl) = 1;
     911              : 
     912              :   /* Mark it __attribute__((const)), if possible.  */
     913          409 :   TREE_READONLY (fndecl) = m->is_constant;
     914              : 
     915          409 :   rest_of_decl_compilation (fndecl, 1, 0);
     916              : 
     917          409 :   (*pdecl) = fndecl;
     918          409 :   return fndecl;
     919              : }
     920              : 
     921              : 
     922              : /* Convert an intrinsic function into an external or builtin call.  */
     923              : 
     924              : static void
     925         3929 : gfc_conv_intrinsic_lib_function (gfc_se * se, gfc_expr * expr)
     926              : {
     927         3929 :   gfc_intrinsic_map_t *m;
     928         3929 :   tree fndecl;
     929         3929 :   tree rettype;
     930         3929 :   tree *args;
     931         3929 :   unsigned int num_args;
     932         3929 :   gfc_isym_id id;
     933              : 
     934         3929 :   id = expr->value.function.isym->id;
     935              :   /* Find the entry for this function.  */
     936        82799 :   for (m = gfc_intrinsic_map;
     937        82799 :        m->id != GFC_ISYM_NONE || m->double_built_in != END_BUILTINS; m++)
     938              :     {
     939        82799 :       if (id == m->id)
     940              :         break;
     941              :     }
     942              : 
     943         3929 :   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         3929 :   num_args = gfc_intrinsic_argument_list_length (expr);
     951         3929 :   args = XALLOCAVEC (tree, num_args);
     952              : 
     953         3929 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
     954         3929 :   fndecl = gfc_get_intrinsic_lib_fndecl (m, expr);
     955         3929 :   rettype = TREE_TYPE (TREE_TYPE (fndecl));
     956              : 
     957         3929 :   fndecl = build_addr (fndecl);
     958         3929 :   se->expr = build_call_array_loc (input_location, rettype, fndecl, num_args, args);
     959         3929 : }
     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         1556 : gfc_trans_same_strlen_check (const char* intr_name, locus* where,
     968              :                              tree a, tree b, stmtblock_t* target)
     969              : {
     970         1556 :   tree cond;
     971         1556 :   tree name;
     972              : 
     973              :   /* If bounds-checking is disabled, do nothing.  */
     974         1556 :   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         1506 : conv_caf_func_index (stmtblock_t *block, gfc_namespace *ns, const char *pat,
    1031              :                      gfc_expr *hash)
    1032              : {
    1033         1506 :   char *name;
    1034         1506 :   gfc_se argse;
    1035         1506 :   gfc_expr func_index;
    1036         1506 :   gfc_symtree *index_st;
    1037         1506 :   tree func_index_tree;
    1038         1506 :   stmtblock_t blk;
    1039              : 
    1040              :   /* Need to get namespace where static variables are possible.  */
    1041         1506 :   while (ns && ns->proc_name && ns->proc_name->attr.flavor == FL_LABEL)
    1042            0 :     ns = ns->parent;
    1043         1506 :   gcc_assert (ns);
    1044              : 
    1045         1506 :   name = xasprintf (pat, caf_call_cnt);
    1046         1506 :   gcc_assert (!gfc_get_sym_tree (name, ns, &index_st, false));
    1047         1506 :   free (name);
    1048              : 
    1049         1506 :   index_st->n.sym->attr.flavor = FL_VARIABLE;
    1050         1506 :   index_st->n.sym->attr.save = SAVE_EXPLICIT;
    1051         1506 :   index_st->n.sym->value
    1052         1506 :     = gfc_get_constant_expr (BT_INTEGER, gfc_default_integer_kind,
    1053              :                              &gfc_current_locus);
    1054         1506 :   mpz_set_si (index_st->n.sym->value->value.integer, -1);
    1055         1506 :   index_st->n.sym->ts.type = BT_INTEGER;
    1056         1506 :   index_st->n.sym->ts.kind = gfc_default_integer_kind;
    1057         1506 :   gfc_set_sym_referenced (index_st->n.sym);
    1058         1506 :   memset (&func_index, 0, sizeof (gfc_expr));
    1059         1506 :   gfc_clear_ts (&func_index.ts);
    1060         1506 :   func_index.expr_type = EXPR_VARIABLE;
    1061         1506 :   func_index.symtree = index_st;
    1062         1506 :   func_index.ts = index_st->n.sym->ts;
    1063         1506 :   gfc_commit_symbol (index_st->n.sym);
    1064              : 
    1065         1506 :   gfc_init_se (&argse, NULL);
    1066         1506 :   gfc_conv_expr (&argse, &func_index);
    1067         1506 :   gfc_add_block_to_block (block, &argse.pre);
    1068         1506 :   func_index_tree = argse.expr;
    1069              : 
    1070         1506 :   gfc_init_se (&argse, NULL);
    1071         1506 :   gfc_conv_expr (&argse, hash);
    1072              : 
    1073         1506 :   gfc_init_block (&blk);
    1074         1506 :   gfc_add_modify (&blk, func_index_tree,
    1075              :                   build_call_expr (gfor_fndecl_caf_get_remote_function_index, 1,
    1076              :                                    argse.expr));
    1077         1506 :   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         1506 :   return func_index_tree;
    1086              : }
    1087              : 
    1088              : static tree
    1089         1506 : conv_caf_add_call_data (stmtblock_t *blk, gfc_namespace *ns, const char *pat,
    1090              :                         gfc_symbol *data_sym, tree *data_size)
    1091              : {
    1092         1506 :   char *name;
    1093         1506 :   gfc_symtree *data_st;
    1094         1506 :   gfc_constructor *con;
    1095         1506 :   gfc_expr data, data_init;
    1096         1506 :   gfc_se argse;
    1097         1506 :   tree data_tree;
    1098              : 
    1099         1506 :   memset (&data, 0, sizeof (gfc_expr));
    1100         1506 :   gfc_clear_ts (&data.ts);
    1101         1506 :   data.expr_type = EXPR_VARIABLE;
    1102         1506 :   name = xasprintf (pat, caf_call_cnt);
    1103         1506 :   gcc_assert (!gfc_get_sym_tree (name, ns, &data_st, false));
    1104         1506 :   free (name);
    1105         1506 :   data_st->n.sym->attr.flavor = FL_VARIABLE;
    1106         1506 :   data_st->n.sym->ts = data_sym->ts;
    1107         1506 :   data.symtree = data_st;
    1108         1506 :   gfc_set_sym_referenced (data.symtree->n.sym);
    1109         1506 :   data.ts = data_st->n.sym->ts;
    1110         1506 :   gfc_commit_symbol (data_st->n.sym);
    1111              : 
    1112         1506 :   memset (&data_init, 0, sizeof (gfc_expr));
    1113         1506 :   gfc_clear_ts (&data_init.ts);
    1114         1506 :   data_init.expr_type = EXPR_STRUCTURE;
    1115         1506 :   data_init.ts = data.ts;
    1116         1822 :   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         1506 :   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         1396 :       data_tree = build_zero_cst (pvoid_type_node);
    1140         1396 :       *data_size = build_zero_cst (size_type_node);
    1141              :     }
    1142              : 
    1143         1506 :   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          239 : gfc_conv_intrinsic_caf_is_present_remote (gfc_se *se, gfc_expr *e)
    1374              : {
    1375          239 :   gfc_expr *caf_expr, *hash, *present_fn;
    1376          239 :   gfc_symbol *add_data_sym;
    1377          239 :   tree fn_index, add_data_tree, add_data_size, caf_decl, image_index, token;
    1378              : 
    1379          239 :   gcc_assert (e->expr_type == EXPR_FUNCTION
    1380              :               && e->value.function.isym->id
    1381              :                    == GFC_ISYM_CAF_IS_PRESENT_ON_REMOTE);
    1382          239 :   caf_expr = e->value.function.actual->expr;
    1383          239 :   hash = e->value.function.actual->next->expr;
    1384          239 :   present_fn = e->value.function.actual->next->next->expr;
    1385          239 :   add_data_sym = present_fn->symtree->n.sym->formal->sym;
    1386              : 
    1387          239 :   fn_index = conv_caf_func_index (&se->pre, e->symtree->n.sym->ns,
    1388              :                                   "__caf_present_on_remote_fn_index_%d", hash);
    1389          239 :   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          239 :   ++caf_call_cnt;
    1393              : 
    1394          239 :   caf_decl = gfc_get_tree_for_caf_expr (caf_expr);
    1395          239 :   if (TREE_CODE (TREE_TYPE (caf_decl)) == REFERENCE_TYPE)
    1396            4 :     caf_decl = build_fold_indirect_ref_loc (input_location, caf_decl);
    1397              : 
    1398          239 :   image_index = gfc_caf_get_image_index (&se->pre, caf_expr, caf_decl);
    1399          239 :   gfc_get_caf_token_offset (se, &token, NULL, caf_decl, NULL, caf_expr);
    1400              : 
    1401          239 :   se->expr
    1402          239 :     = 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          239 : }
    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         1306 : trans_this_image (gfc_se * se, gfc_expr *expr)
    1825              : {
    1826         1306 :   stmtblock_t loop;
    1827         1306 :   tree type, desc, dim_arg, cond, tmp, m, loop_var, exit_label, min_var, lbound,
    1828              :     ubound, extent, ml, team;
    1829         1306 :   gfc_se argse;
    1830         1306 :   int rank, corank;
    1831              : 
    1832              :   /* The case -fcoarray=single is handled elsewhere.  */
    1833         1306 :   gcc_assert (flag_coarray != GFC_FCOARRAY_SINGLE);
    1834              : 
    1835              :   /* Translate team, if present.  */
    1836         1306 :   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         1288 :     team = null_pointer_node;
    1846              : 
    1847              :   /* Argument-free version: THIS_IMAGE().  */
    1848         1306 :   if (expr->value.function.actual->expr == NULL)
    1849              :     {
    1850          988 :       tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_this_image, 1,
    1851              :                                  team);
    1852          988 :       se->expr = fold_convert (gfc_get_int_type (gfc_default_integer_kind),
    1853              :                                tmp);
    1854          996 :       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           39 : conv_intrinsic_team_number (gfc_se *se, gfc_expr *expr)
    2093              : {
    2094           39 :   unsigned int num_args;
    2095              : 
    2096           39 :   tree *args, tmp;
    2097              : 
    2098           39 :   num_args = gfc_intrinsic_argument_list_length (expr);
    2099           39 :   args = XALLOCAVEC (tree, num_args);
    2100           39 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
    2101              : 
    2102           39 :   if (flag_coarray == GFC_FCOARRAY_SINGLE)
    2103              :     /* Only the initial team exists, and its team number is -1.  */
    2104           24 :     tmp = build_int_cst (integer_type_node, -1);
    2105           15 :   else if (flag_coarray == GFC_FCOARRAY_LIB)
    2106           15 :     tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_team_number, 1,
    2107           15 :                                expr->value.function.actual->expr
    2108              :                                ? args[0] : null_pointer_node);
    2109              :   else
    2110            0 :     gcc_unreachable ();
    2111              : 
    2112           39 :   se->expr = fold_convert (gfc_get_int_type (gfc_default_integer_kind), tmp);
    2113           39 : }
    2114              : 
    2115              : 
    2116              : static void
    2117          223 : trans_image_index (gfc_se * se, gfc_expr *expr)
    2118              : {
    2119          223 :   tree num_images, cond, coindex, type, lbound, ubound, desc, subdesc, tmp,
    2120          223 :     invalid_bound, team = null_pointer_node, team_number = null_pointer_node;
    2121          223 :   gfc_se argse, subse;
    2122          223 :   int rank, corank, codim;
    2123              : 
    2124          223 :   type = gfc_get_int_type (gfc_default_integer_kind);
    2125          223 :   corank = expr->value.function.actual->expr->corank;
    2126          223 :   rank = expr->value.function.actual->expr->rank;
    2127              : 
    2128              :   /* Obtain the descriptor of the COARRAY.  */
    2129          223 :   gfc_init_se (&argse, NULL);
    2130          223 :   argse.want_coarray = 1;
    2131          223 :   gfc_conv_expr_descriptor (&argse, expr->value.function.actual->expr);
    2132          223 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    2133          223 :   gfc_add_block_to_block (&se->post, &argse.post);
    2134          223 :   desc = argse.expr;
    2135              : 
    2136              :   /* Obtain a handle to the SUB argument.  */
    2137          223 :   gfc_init_se (&subse, NULL);
    2138          223 :   gfc_conv_expr_descriptor (&subse, expr->value.function.actual->next->expr);
    2139          223 :   gfc_add_block_to_block (&se->pre, &subse.pre);
    2140          223 :   gfc_add_block_to_block (&se->post, &subse.post);
    2141          223 :   subdesc = build_fold_indirect_ref_loc (input_location,
    2142              :                         gfc_conv_descriptor_data_get (subse.expr));
    2143              : 
    2144          223 :   if (expr->value.function.actual->next->next->expr)
    2145              :     {
    2146           24 :       gfc_init_se (&argse, NULL);
    2147           24 :       gfc_conv_expr_val (&argse, expr->value.function.actual->next->next->expr);
    2148           24 :       if (expr->value.function.actual->next->next->expr->ts.type == BT_DERIVED)
    2149           12 :         team = argse.expr;
    2150              :       else
    2151           12 :         team_number = gfc_build_addr_expr (
    2152              :           NULL_TREE,
    2153              :           gfc_trans_force_lval (&argse.pre,
    2154              :                                 fold_convert (integer_type_node, argse.expr)));
    2155           24 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    2156           24 :       gfc_add_block_to_block (&se->post, &argse.post);
    2157              :     }
    2158              : 
    2159              :   /* Fortran 2008 does not require that the values remain in the cobounds,
    2160              :      thus we need explicitly check this - and return 0 if they are exceeded.  */
    2161              : 
    2162          223 :   lbound = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[rank+corank-1]);
    2163          223 :   tmp = gfc_build_array_ref (subdesc, gfc_rank_cst[corank-1], NULL);
    2164          223 :   invalid_bound = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    2165              :                                  fold_convert (gfc_array_index_type, tmp),
    2166              :                                  lbound);
    2167              : 
    2168          473 :   for (codim = corank + rank - 2; codim >= rank; codim--)
    2169              :     {
    2170          250 :       lbound = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[codim]);
    2171          250 :       ubound = gfc_conv_descriptor_ubound_get (desc, gfc_rank_cst[codim]);
    2172          250 :       tmp = gfc_build_array_ref (subdesc, gfc_rank_cst[codim-rank], NULL);
    2173          250 :       cond = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    2174              :                               fold_convert (gfc_array_index_type, tmp),
    2175              :                               lbound);
    2176          250 :       invalid_bound = fold_build2_loc (input_location, TRUTH_OR_EXPR,
    2177              :                                        logical_type_node, invalid_bound, cond);
    2178          250 :       cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    2179              :                               fold_convert (gfc_array_index_type, tmp),
    2180              :                               ubound);
    2181          250 :       invalid_bound = fold_build2_loc (input_location, TRUTH_OR_EXPR,
    2182              :                                        logical_type_node, invalid_bound, cond);
    2183              :     }
    2184              : 
    2185          223 :   invalid_bound = gfc_unlikely (invalid_bound, PRED_FORTRAN_INVALID_BOUND);
    2186              : 
    2187              :   /* See Fortran 2008, C.10 for the following algorithm.  */
    2188              : 
    2189              :   /* coindex = sub(corank) - lcobound(n).  */
    2190          223 :   coindex = fold_convert (gfc_array_index_type,
    2191              :                           gfc_build_array_ref (subdesc, gfc_rank_cst[corank-1],
    2192              :                                                NULL));
    2193          223 :   lbound = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[rank+corank-1]);
    2194          223 :   coindex = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
    2195              :                              fold_convert (gfc_array_index_type, coindex),
    2196              :                              lbound);
    2197              : 
    2198          696 :   for (codim = corank + rank - 2; codim >= rank; codim--)
    2199              :     {
    2200          250 :       tree extent, ubound;
    2201              : 
    2202              :       /* coindex = coindex*extent(codim) + sub(codim) - lcobound(codim).  */
    2203          250 :       lbound = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[codim]);
    2204          250 :       ubound = gfc_conv_descriptor_ubound_get (desc, gfc_rank_cst[codim]);
    2205          250 :       extent = gfc_conv_array_extent_dim (lbound, ubound, NULL);
    2206              : 
    2207              :       /* coindex *= extent.  */
    2208          250 :       coindex = fold_build2_loc (input_location, MULT_EXPR,
    2209              :                                  gfc_array_index_type, coindex, extent);
    2210              : 
    2211              :       /* coindex += sub(codim).  */
    2212          250 :       tmp = gfc_build_array_ref (subdesc, gfc_rank_cst[codim-rank], NULL);
    2213          250 :       coindex = fold_build2_loc (input_location, PLUS_EXPR,
    2214              :                                  gfc_array_index_type, coindex,
    2215              :                                  fold_convert (gfc_array_index_type, tmp));
    2216              : 
    2217              :       /* coindex -= lbound(codim).  */
    2218          250 :       lbound = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[codim]);
    2219          250 :       coindex = fold_build2_loc (input_location, MINUS_EXPR,
    2220              :                                  gfc_array_index_type, coindex, lbound);
    2221              :     }
    2222              : 
    2223          223 :   coindex = fold_build2_loc (input_location, PLUS_EXPR, type,
    2224              :                              fold_convert(type, coindex),
    2225              :                              build_int_cst (type, 1));
    2226              : 
    2227              :   /* Return 0 if "coindex" exceeds num_images().  */
    2228              : 
    2229          223 :   if (flag_coarray == GFC_FCOARRAY_SINGLE)
    2230          118 :     num_images = build_int_cst (type, 1);
    2231              :   else
    2232              :     {
    2233          105 :       tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_num_images, 2,
    2234              :                                  team, team_number);
    2235          105 :       num_images = fold_convert (type, tmp);
    2236              :     }
    2237              : 
    2238          223 :   tmp = gfc_create_var (type, NULL);
    2239          223 :   gfc_add_modify (&se->pre, tmp, coindex);
    2240              : 
    2241          223 :   cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node, tmp,
    2242              :                           num_images);
    2243          223 :   cond = fold_build2_loc (input_location, TRUTH_OR_EXPR, logical_type_node,
    2244              :                           cond,
    2245              :                           fold_convert (logical_type_node, invalid_bound));
    2246          223 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, cond,
    2247              :                               build_int_cst (type, 0), tmp);
    2248          223 : }
    2249              : 
    2250              : static void
    2251          814 : trans_num_images (gfc_se * se, gfc_expr *expr)
    2252              : {
    2253          814 :   tree tmp, team = null_pointer_node, team_number = null_pointer_node;
    2254          814 :   gfc_se argse;
    2255              : 
    2256          814 :   if (expr->value.function.actual->expr)
    2257              :     {
    2258           18 :       gfc_init_se (&argse, NULL);
    2259           18 :       gfc_conv_expr_val (&argse, expr->value.function.actual->expr);
    2260           18 :       if (expr->value.function.actual->expr->ts.type == BT_DERIVED)
    2261            6 :         team = argse.expr;
    2262              :       else
    2263           12 :         team_number = gfc_build_addr_expr (
    2264              :           NULL_TREE,
    2265              :           gfc_trans_force_lval (&argse.pre,
    2266              :                                 fold_convert (integer_type_node, argse.expr)));
    2267           18 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    2268           18 :       gfc_add_block_to_block (&se->post, &argse.post);
    2269              :     }
    2270              : 
    2271          814 :   tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_num_images, 2,
    2272              :                              team, team_number);
    2273          814 :   se->expr = fold_convert (gfc_get_int_type (gfc_default_integer_kind), tmp);
    2274          814 : }
    2275              : 
    2276              : 
    2277              : static void
    2278        13376 : gfc_conv_intrinsic_rank (gfc_se *se, gfc_expr *expr)
    2279              : {
    2280        13376 :   gfc_se argse;
    2281              : 
    2282        13376 :   gfc_init_se (&argse, NULL);
    2283        13376 :   argse.data_not_needed = 1;
    2284        13376 :   argse.descriptor_only = 1;
    2285              : 
    2286        13376 :   gfc_conv_expr_descriptor (&argse, expr->value.function.actual->expr);
    2287        13376 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    2288        13376 :   gfc_add_block_to_block (&se->post, &argse.post);
    2289              : 
    2290        13376 :   se->expr = gfc_conv_descriptor_rank_get (argse.expr);
    2291        13376 :   se->expr = fold_convert (gfc_get_int_type (gfc_default_integer_kind),
    2292              :                            se->expr);
    2293        13376 : }
    2294              : 
    2295              : 
    2296              : static void
    2297          748 : gfc_conv_intrinsic_is_contiguous (gfc_se * se, gfc_expr * expr)
    2298              : {
    2299          748 :   gfc_expr *arg;
    2300          748 :   arg = expr->value.function.actual->expr;
    2301          748 :   gfc_conv_is_contiguous_expr (se, arg);
    2302          748 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), se->expr);
    2303          748 : }
    2304              : 
    2305              : /* This function does the work for gfc_conv_intrinsic_is_contiguous,
    2306              :    plus it can be called directly.  */
    2307              : 
    2308              : void
    2309         2098 : gfc_conv_is_contiguous_expr (gfc_se *se, gfc_expr *arg)
    2310              : {
    2311         2098 :   gfc_ss *ss;
    2312         2098 :   gfc_se argse;
    2313         2098 :   tree desc, tmp, stride, extent, cond;
    2314         2098 :   int i;
    2315         2098 :   tree fncall0;
    2316         2098 :   gfc_array_spec *as;
    2317         2098 :   gfc_symbol *sym = NULL;
    2318              : 
    2319         2098 :   if (arg->ts.type == BT_CLASS)
    2320           96 :     gfc_add_class_array_ref (arg);
    2321              : 
    2322         2098 :   if (arg->expr_type == EXPR_VARIABLE)
    2323         2062 :     sym = arg->symtree->n.sym;
    2324              : 
    2325         2098 :   ss = gfc_walk_expr (arg);
    2326         2098 :   gcc_assert (ss != gfc_ss_terminator);
    2327         2098 :   gfc_init_se (&argse, NULL);
    2328         2098 :   argse.data_not_needed = 1;
    2329         2098 :   gfc_conv_expr_descriptor (&argse, arg);
    2330              : 
    2331         2098 :   as = gfc_get_full_arrayspec_from_expr (arg);
    2332              : 
    2333              :   /* Create:  stride[0] == 1 && stride[1] == extend[0]*stride[0] && ...
    2334              :      Note in addition that zero-sized arrays don't count as contiguous.  */
    2335              : 
    2336         2098 :   if (as && as->type == AS_ASSUMED_RANK)
    2337              :     {
    2338              :       /* Build the call to is_contiguous0.  */
    2339          250 :       argse.want_pointer = 1;
    2340          250 :       gfc_conv_expr_descriptor (&argse, arg);
    2341          250 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    2342          250 :       gfc_add_block_to_block (&se->post, &argse.post);
    2343          250 :       tree ptr = gfc_evaluate_now (argse.expr, &se->pre);
    2344          250 :       fncall0 = build_call_expr_loc (input_location,
    2345              :                                      gfor_fndecl_is_contiguous0, 1, ptr);
    2346          250 :       desc = build_fold_indirect_ref_loc (input_location, ptr);
    2347          250 :       se->expr = fncall0;
    2348          250 :       se->expr = convert (boolean_type_node, se->expr);
    2349          250 :     }
    2350              :   else
    2351              :     {
    2352         1848 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    2353         1848 :       gfc_add_block_to_block (&se->post, &argse.post);
    2354         1848 :       desc = gfc_evaluate_now (argse.expr, &se->pre);
    2355              : 
    2356         1848 :       stride = gfc_conv_descriptor_stride_get (desc, gfc_rank_cst[0]);
    2357         1848 :       cond = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node,
    2358         1848 :                               stride, build_int_cst (TREE_TYPE (stride), 1));
    2359              : 
    2360         2171 :       for (i = 0; i < arg->rank - 1; i++)
    2361              :         {
    2362          323 :           tmp = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[i]);
    2363          323 :           extent = gfc_conv_descriptor_ubound_get (desc, gfc_rank_cst[i]);
    2364          323 :           extent = fold_build2_loc (input_location, MINUS_EXPR,
    2365              :                                     gfc_array_index_type, extent, tmp);
    2366          323 :           extent = fold_build2_loc (input_location, PLUS_EXPR,
    2367              :                                     gfc_array_index_type, extent,
    2368              :                                     gfc_index_one_node);
    2369          323 :           tmp = gfc_conv_descriptor_stride_get (desc, gfc_rank_cst[i]);
    2370          323 :           tmp = fold_build2_loc (input_location, MULT_EXPR, TREE_TYPE (tmp),
    2371              :                                  tmp, extent);
    2372          323 :           stride = gfc_conv_descriptor_stride_get (desc, gfc_rank_cst[i+1]);
    2373          323 :           tmp = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node,
    2374              :                                  stride, tmp);
    2375          323 :           cond = fold_build2_loc (input_location, TRUTH_AND_EXPR,
    2376              :                                   boolean_type_node, cond, tmp);
    2377              :         }
    2378         1848 :       se->expr = cond;
    2379              :     }
    2380              : 
    2381              :   /* An array that is addressed by the span of its descriptor needs to be
    2382              :      checked if that span differs from the element size.  */
    2383          827 :   if (as && sym && !sym->attr.contiguous
    2384         2925 :       && (IS_POINTER (sym) || gfc_is_span_addressed_dummy (sym)))
    2385              :     {
    2386          187 :       tree span = gfc_conv_descriptor_span_get (desc);
    2387          187 :       tmp = fold_convert (TREE_TYPE (span),
    2388              :                           gfc_conv_descriptor_elem_len_get (desc));
    2389          187 :       cond = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node,
    2390              :                               span, tmp);
    2391          187 :       se->expr = fold_build2_loc (input_location, TRUTH_ANDIF_EXPR,
    2392              :                                   boolean_type_node, cond,
    2393              :                                   convert (boolean_type_node, se->expr));
    2394              :     }
    2395              : 
    2396         2098 :   if (as && as->type == AS_ASSUMED_RANK)
    2397              :     {
    2398          250 :       tree rank = gfc_conv_descriptor_rank_get (desc);
    2399          250 :       tree scalar = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node,
    2400              :                                      rank, gfc_rank_cst[0]);
    2401          250 :       se->expr = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    2402          250 :                                   TREE_TYPE (se->expr), scalar, se->expr);
    2403              :     }
    2404              : 
    2405         2098 :   gfc_free_ss_chain (ss);
    2406         2098 : }
    2407              : 
    2408              : 
    2409              : /* Evaluate a single upper or lower bound.  */
    2410              : /* TODO: bound intrinsic generates way too much unnecessary code.  */
    2411              : 
    2412              : static void
    2413        16349 : gfc_conv_intrinsic_bound (gfc_se * se, gfc_expr * expr, enum gfc_isym_id op)
    2414              : {
    2415        16349 :   gfc_actual_arglist *arg;
    2416        16349 :   gfc_actual_arglist *arg2;
    2417        16349 :   tree desc;
    2418        16349 :   tree type;
    2419        16349 :   tree bound;
    2420        16349 :   tree tmp;
    2421        16349 :   tree cond, cond1;
    2422        16349 :   tree ubound;
    2423        16349 :   tree lbound;
    2424        16349 :   tree size;
    2425        16349 :   gfc_se argse;
    2426        16349 :   gfc_array_spec * as;
    2427        16349 :   bool assumed_rank_lb_one;
    2428              : 
    2429        16349 :   arg = expr->value.function.actual;
    2430        16349 :   arg2 = arg->next;
    2431              : 
    2432        16349 :   if (se->ss)
    2433              :     {
    2434              :       /* Create an implicit second parameter from the loop variable.  */
    2435         8016 :       gcc_assert (!arg2->expr || op == GFC_ISYM_SHAPE);
    2436         8016 :       gcc_assert (se->loop->dimen == 1);
    2437         8016 :       gcc_assert (se->ss->info->expr == expr);
    2438         8016 :       gfc_advance_se_ss_chain (se);
    2439         8016 :       bound = se->loop->loopvar[0];
    2440         8016 :       bound = fold_build2_loc (input_location, MINUS_EXPR,
    2441              :                                gfc_array_index_type, bound,
    2442              :                                se->loop->from[0]);
    2443         8016 :       bound = fold_convert_loc (input_location, gfc_array_dim_rank_type,
    2444              :                                 bound);
    2445              :     }
    2446              :   else
    2447              :     {
    2448              :       /* use the passed argument.  */
    2449         8333 :       gcc_assert (arg2->expr);
    2450         8333 :       gfc_init_se (&argse, NULL);
    2451         8333 :       gfc_conv_expr_type (&argse, arg2->expr, gfc_array_dim_rank_type);
    2452         8333 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    2453         8333 :       bound = argse.expr;
    2454              :       /* Convert from one based to zero based.  */
    2455         8333 :       bound = fold_build2_loc (input_location, MINUS_EXPR,
    2456              :                                gfc_array_dim_rank_type, bound,
    2457              :                                gfc_rank_cst[1]);
    2458              :     }
    2459              : 
    2460              :   /* TODO: don't re-evaluate the descriptor on each iteration.  */
    2461              :   /* Get a descriptor for the first parameter.  */
    2462        16349 :   gfc_init_se (&argse, NULL);
    2463        16349 :   gfc_conv_expr_descriptor (&argse, arg->expr);
    2464        16349 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    2465        16349 :   gfc_add_block_to_block (&se->post, &argse.post);
    2466              : 
    2467        16349 :   desc = argse.expr;
    2468              : 
    2469        16349 :   as = gfc_get_full_arrayspec_from_expr (arg->expr);
    2470              : 
    2471        16349 :   if (INTEGER_CST_P (bound))
    2472              :     {
    2473         8213 :       gcc_assert (op != GFC_ISYM_SHAPE);
    2474         7976 :       if (((!as || as->type != AS_ASSUMED_RANK)
    2475         7305 :            && wi::geu_p (wi::to_wide (bound),
    2476         7305 :                          GFC_TYPE_ARRAY_RANK (TREE_TYPE (desc))))
    2477        16426 :           || wi::gtu_p (wi::to_wide (bound), GFC_MAX_DIMENSIONS))
    2478            0 :         gfc_error ("%<dim%> argument of %s intrinsic at %L is not a valid "
    2479              :                    "dimension index",
    2480              :                    (op == GFC_ISYM_UBOUND) ? "UBOUND" : "LBOUND",
    2481              :                    &expr->where);
    2482              :     }
    2483              : 
    2484        16349 :   if (!INTEGER_CST_P (bound) || (as && as->type == AS_ASSUMED_RANK))
    2485              :     {
    2486         9044 :       if (gfc_option.rtcheck & GFC_RTCHECK_BOUNDS)
    2487              :         {
    2488          651 :           bound = gfc_evaluate_now (bound, &se->pre);
    2489          651 :           cond = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    2490              :                                   bound, gfc_rank_cst[0]);
    2491          651 :           if (as && as->type == AS_ASSUMED_RANK)
    2492          546 :             tmp = gfc_conv_descriptor_rank_get (desc);
    2493              :           else
    2494          105 :             tmp = gfc_rank_cst[GFC_TYPE_ARRAY_RANK (TREE_TYPE (desc))];
    2495          651 :           tmp = fold_build2_loc (input_location, GE_EXPR, logical_type_node,
    2496              :                                  bound, tmp);
    2497          651 :           cond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    2498              :                                   logical_type_node, cond, tmp);
    2499          651 :           gfc_trans_runtime_check (true, false, cond, &se->pre, &expr->where,
    2500              :                                    gfc_msg_fault);
    2501              :         }
    2502              :     }
    2503              : 
    2504              :   /* Take care of the lbound shift for assumed-rank arrays that are
    2505              :      nonallocatable and nonpointers. Those have a lbound of 1.  */
    2506        15765 :   assumed_rank_lb_one = as && as->type == AS_ASSUMED_RANK
    2507        11229 :                         && ((arg->expr->ts.type != BT_CLASS
    2508         1987 :                              && !arg->expr->symtree->n.sym->attr.allocatable
    2509         1644 :                              && !arg->expr->symtree->n.sym->attr.pointer)
    2510          920 :                             || (arg->expr->ts.type == BT_CLASS
    2511          198 :                              && !CLASS_DATA (arg->expr)->attr.allocatable
    2512          162 :                              && !CLASS_DATA (arg->expr)->attr.class_pointer));
    2513              : 
    2514        16349 :   ubound = gfc_conv_descriptor_ubound_get (desc, bound);
    2515        16349 :   lbound = gfc_conv_descriptor_lbound_get (desc, bound);
    2516        16349 :   size = fold_build2_loc (input_location, MINUS_EXPR,
    2517              :                           gfc_array_index_type, ubound, lbound);
    2518        16349 :   size = fold_build2_loc (input_location, PLUS_EXPR,
    2519              :                           gfc_array_index_type, size, gfc_index_one_node);
    2520              : 
    2521              :   /* 13.14.53: Result value for LBOUND
    2522              : 
    2523              :      Case (i): For an array section or for an array expression other than a
    2524              :                whole array or array structure component, LBOUND(ARRAY, DIM)
    2525              :                has the value 1.  For a whole array or array structure
    2526              :                component, LBOUND(ARRAY, DIM) has the value:
    2527              :                  (a) equal to the lower bound for subscript DIM of ARRAY if
    2528              :                      dimension DIM of ARRAY does not have extent zero
    2529              :                      or if ARRAY is an assumed-size array of rank DIM,
    2530              :               or (b) 1 otherwise.
    2531              : 
    2532              :      13.14.113: Result value for UBOUND
    2533              : 
    2534              :      Case (i): For an array section or for an array expression other than a
    2535              :                whole array or array structure component, UBOUND(ARRAY, DIM)
    2536              :                has the value equal to the number of elements in the given
    2537              :                dimension; otherwise, it has a value equal to the upper bound
    2538              :                for subscript DIM of ARRAY if dimension DIM of ARRAY does
    2539              :                not have size zero and has value zero if dimension DIM has
    2540              :                size zero.  */
    2541              : 
    2542        16349 :   if (op == GFC_ISYM_LBOUND && assumed_rank_lb_one)
    2543          556 :     se->expr = gfc_index_one_node;
    2544        15793 :   else if (as)
    2545              :     {
    2546        15209 :       if (op == GFC_ISYM_UBOUND)
    2547              :         {
    2548         5407 :           cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    2549              :                                   size, gfc_index_zero_node);
    2550        10186 :           se->expr = fold_build3_loc (input_location, COND_EXPR,
    2551              :                                       gfc_array_index_type, cond,
    2552              :                                       (assumed_rank_lb_one ? size : ubound),
    2553              :                                       gfc_index_zero_node);
    2554              :         }
    2555         9802 :       else if (op == GFC_ISYM_LBOUND)
    2556              :         {
    2557         4931 :           cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    2558              :                                   size, gfc_index_zero_node);
    2559         4931 :           if (as->type == AS_ASSUMED_SIZE)
    2560              :             {
    2561           98 :               cond1 = fold_build2_loc (input_location, EQ_EXPR,
    2562              :                                        logical_type_node, bound,
    2563           98 :                                        build_int_cst (TREE_TYPE (bound),
    2564           98 :                                                       arg->expr->rank - 1));
    2565           98 :               cond = fold_build2_loc (input_location, TRUTH_OR_EXPR,
    2566              :                                       logical_type_node, cond, cond1);
    2567              :             }
    2568         4931 :           se->expr = fold_build3_loc (input_location, COND_EXPR,
    2569              :                                       gfc_array_index_type, cond,
    2570              :                                       lbound, gfc_index_one_node);
    2571              :         }
    2572         4871 :       else if (op == GFC_ISYM_SHAPE)
    2573         4871 :         se->expr = fold_build2_loc (input_location, MAX_EXPR,
    2574              :                                     gfc_array_index_type, size,
    2575              :                                     gfc_index_zero_node);
    2576              :       else
    2577            0 :         gcc_unreachable ();
    2578              : 
    2579              :       /* According to F2018 16.9.172, para 5, an assumed rank object,
    2580              :          argument associated with and assumed size array, has the ubound
    2581              :          of the final dimension set to -1 and UBOUND must return this.
    2582              :          Similarly for the SHAPE intrinsic.  */
    2583        15209 :       if (op != GFC_ISYM_LBOUND && assumed_rank_lb_one)
    2584              :         {
    2585          835 :           tree minus_one = build_int_cst (gfc_array_index_type, -1);
    2586          835 :           tree rank = gfc_conv_descriptor_rank_get (desc);
    2587          835 :           rank = fold_build2_loc (input_location, MINUS_EXPR,
    2588              :                                   gfc_array_dim_rank_type, rank,
    2589              :                                   gfc_rank_cst[1]);
    2590              : 
    2591              :           /* Fix the expression to stop it from becoming even more
    2592              :              complicated.  */
    2593          835 :           se->expr = gfc_evaluate_now (se->expr, &se->pre);
    2594              : 
    2595              :           /* Descriptors for assumed-size arrays have ubound = -1
    2596              :              in the last dimension.  */
    2597          835 :           cond1 = fold_build2_loc (input_location, EQ_EXPR,
    2598              :                                    logical_type_node, ubound, minus_one);
    2599          835 :           cond = fold_build2_loc (input_location, EQ_EXPR,
    2600              :                                   logical_type_node, bound, rank);
    2601          835 :           cond = fold_build2_loc (input_location, TRUTH_AND_EXPR,
    2602              :                                   logical_type_node, cond, cond1);
    2603          835 :           se->expr = fold_build3_loc (input_location, COND_EXPR,
    2604              :                                       gfc_array_index_type, cond,
    2605              :                                       minus_one, se->expr);
    2606              :         }
    2607              :     }
    2608              :   else   /* as is null; this is an old-fashioned 1-based array.  */
    2609              :     {
    2610          584 :       if (op != GFC_ISYM_LBOUND)
    2611              :         {
    2612          482 :           se->expr = fold_build2_loc (input_location, MAX_EXPR,
    2613              :                                       gfc_array_index_type, size,
    2614              :                                       gfc_index_zero_node);
    2615              :         }
    2616              :       else
    2617          102 :         se->expr = gfc_index_one_node;
    2618              :     }
    2619              : 
    2620              : 
    2621        16349 :   type = gfc_typenode_for_spec (&expr->ts);
    2622        16349 :   se->expr = convert (type, se->expr);
    2623        16349 : }
    2624              : 
    2625              : 
    2626              : static void
    2627          666 : conv_intrinsic_cobound (gfc_se * se, gfc_expr * expr)
    2628              : {
    2629          666 :   gfc_actual_arglist *arg;
    2630          666 :   gfc_actual_arglist *arg2;
    2631          666 :   gfc_se argse;
    2632          666 :   tree bound, lbound, resbound, resbound2, desc, cond, tmp;
    2633          666 :   tree type;
    2634          666 :   int corank;
    2635              : 
    2636          666 :   gcc_assert (expr->value.function.isym->id == GFC_ISYM_LCOBOUND
    2637              :               || expr->value.function.isym->id == GFC_ISYM_UCOBOUND
    2638              :               || expr->value.function.isym->id == GFC_ISYM_COSHAPE
    2639              :               || expr->value.function.isym->id == GFC_ISYM_THIS_IMAGE);
    2640              : 
    2641          666 :   arg = expr->value.function.actual;
    2642          666 :   arg2 = arg->next;
    2643              : 
    2644          666 :   gcc_assert (arg->expr->expr_type == EXPR_VARIABLE);
    2645          666 :   corank = arg->expr->corank;
    2646              : 
    2647          666 :   gfc_init_se (&argse, NULL);
    2648          666 :   argse.want_coarray = 1;
    2649              : 
    2650          666 :   gfc_conv_expr_descriptor (&argse, arg->expr);
    2651          666 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    2652          666 :   gfc_add_block_to_block (&se->post, &argse.post);
    2653          666 :   desc = argse.expr;
    2654              : 
    2655          666 :   if (se->ss)
    2656              :     {
    2657              :       /* Create an implicit second parameter from the loop variable.  */
    2658          238 :       gcc_assert (!arg2->expr
    2659              :                   || expr->value.function.isym->id == GFC_ISYM_COSHAPE);
    2660          238 :       gcc_assert (corank > 0);
    2661          238 :       gcc_assert (se->loop->dimen == 1);
    2662          238 :       gcc_assert (se->ss->info->expr == expr);
    2663              : 
    2664          238 :       bound = fold_convert_loc (input_location, gfc_array_dim_rank_type,
    2665              :                                 se->loop->loopvar[0]);
    2666          238 :       tree rank = gfc_rank_cst[arg->expr->rank];
    2667          238 :       bound = fold_build2_loc (input_location, PLUS_EXPR,
    2668              :                                gfc_array_dim_rank_type, bound, rank);
    2669          238 :       gfc_advance_se_ss_chain (se);
    2670              :     }
    2671          428 :   else if (expr->value.function.isym->id == GFC_ISYM_COSHAPE)
    2672            0 :     bound = gfc_rank_cst[1];
    2673              :   else
    2674              :     {
    2675          428 :       gcc_assert (arg2->expr);
    2676          428 :       gfc_init_se (&argse, NULL);
    2677          428 :       gfc_conv_expr_type (&argse, arg2->expr, gfc_array_dim_rank_type);
    2678          428 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    2679          428 :       bound = argse.expr;
    2680              : 
    2681          428 :       if (INTEGER_CST_P (bound))
    2682              :         {
    2683          334 :           if (wi::ltu_p (wi::to_wide (bound), 1)
    2684          668 :               || wi::gtu_p (wi::to_wide (bound),
    2685          334 :                             GFC_TYPE_ARRAY_CORANK (TREE_TYPE (desc))))
    2686            0 :             gfc_error ("%<dim%> argument of %s intrinsic at %L is not a valid "
    2687            0 :                        "dimension index", expr->value.function.isym->name,
    2688              :                        &expr->where);
    2689              :         }
    2690           94 :       else if (gfc_option.rtcheck & GFC_RTCHECK_BOUNDS)
    2691              :         {
    2692           36 :           bound = gfc_evaluate_now (bound, &se->pre);
    2693           36 :           cond = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    2694              :                                   bound, gfc_rank_cst[1]);
    2695           36 :           tree rank = gfc_rank_cst[GFC_TYPE_ARRAY_CORANK (TREE_TYPE (desc))];
    2696           36 :           tmp = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    2697              :                                  bound, rank);
    2698           36 :           cond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    2699              :                                   logical_type_node, cond, tmp);
    2700           36 :           gfc_trans_runtime_check (true, false, cond, &se->pre, &expr->where,
    2701              :                                    gfc_msg_fault);
    2702              :         }
    2703              : 
    2704              : 
    2705              :       /* Subtract 1 to get to zero based and add dimensions.  */
    2706          428 :       switch (arg->expr->rank)
    2707              :         {
    2708           70 :         case 0:
    2709           70 :           bound = fold_build2_loc (input_location, MINUS_EXPR,
    2710              :                                    gfc_array_dim_rank_type, bound,
    2711              :                                    gfc_rank_cst[1]);
    2712              :         case 1:
    2713              :           break;
    2714           38 :         default:
    2715           38 :           {
    2716           38 :             tree rank = gfc_rank_cst[arg->expr->rank - 1];
    2717           38 :             bound = fold_build2_loc (input_location, PLUS_EXPR,
    2718              :                                      gfc_array_dim_rank_type, bound, rank);
    2719              :           }
    2720              :         }
    2721              :     }
    2722              : 
    2723          666 :   resbound = gfc_conv_descriptor_lbound_get (desc, bound);
    2724              : 
    2725              :   /* COSHAPE needs the lower cobound and so it is stashed here before resbound
    2726              :      is overwritten.  */
    2727          666 :   lbound = NULL_TREE;
    2728          666 :   if (expr->value.function.isym->id == GFC_ISYM_COSHAPE)
    2729            4 :     lbound = resbound;
    2730              : 
    2731              :   /* Handle UCOBOUND with special handling of the last codimension.  */
    2732          666 :   if (expr->value.function.isym->id == GFC_ISYM_UCOBOUND
    2733          422 :       || expr->value.function.isym->id == GFC_ISYM_COSHAPE)
    2734              :     {
    2735              :       /* Last codimension: For -fcoarray=single just return
    2736              :          the lcobound - otherwise add
    2737              :            ceiling (real (num_images ()) / real (size)) - 1
    2738              :          = (num_images () + size - 1) / size - 1
    2739              :          = (num_images - 1) / size(),
    2740              :          where size is the product of the extent of all but the last
    2741              :          codimension.  */
    2742              : 
    2743          248 :       if (flag_coarray != GFC_FCOARRAY_SINGLE && corank > 1)
    2744              :         {
    2745           64 :           tree cosize;
    2746              : 
    2747           64 :           cosize = gfc_conv_descriptor_cosize (desc, arg->expr->rank, corank);
    2748           64 :           tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_num_images,
    2749              :                                      2, null_pointer_node, null_pointer_node);
    2750           64 :           tmp = fold_build2_loc (input_location, MINUS_EXPR,
    2751              :                                  gfc_array_index_type,
    2752              :                                  fold_convert (gfc_array_index_type, tmp),
    2753              :                                  build_int_cst (gfc_array_index_type, 1));
    2754           64 :           tmp = fold_build2_loc (input_location, TRUNC_DIV_EXPR,
    2755              :                                  gfc_array_index_type, tmp,
    2756              :                                  fold_convert (gfc_array_index_type, cosize));
    2757           64 :           resbound = fold_build2_loc (input_location, PLUS_EXPR,
    2758              :                                       gfc_array_index_type, resbound, tmp);
    2759           64 :         }
    2760          184 :       else if (flag_coarray != GFC_FCOARRAY_SINGLE)
    2761              :         {
    2762              :           /* ubound = lbound + num_images() - 1.  */
    2763           44 :           tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_num_images,
    2764              :                                      2, null_pointer_node, null_pointer_node);
    2765           44 :           tmp = fold_build2_loc (input_location, MINUS_EXPR,
    2766              :                                  gfc_array_index_type,
    2767              :                                  fold_convert (gfc_array_index_type, tmp),
    2768              :                                  build_int_cst (gfc_array_index_type, 1));
    2769           44 :           resbound = fold_build2_loc (input_location, PLUS_EXPR,
    2770              :                                       gfc_array_index_type, resbound, tmp);
    2771              :         }
    2772              : 
    2773          248 :       if (corank > 1)
    2774              :         {
    2775          171 :           cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    2776              :                                   bound,
    2777          171 :                                   build_int_cst (TREE_TYPE (bound),
    2778          171 :                                                  arg->expr->rank + corank - 1));
    2779              : 
    2780          171 :           resbound2 = gfc_conv_descriptor_ubound_get (desc, bound);
    2781          171 :           se->expr = fold_build3_loc (input_location, COND_EXPR,
    2782              :                                       gfc_array_index_type, cond,
    2783              :                                       resbound, resbound2);
    2784              :         }
    2785              :       else
    2786              :         se->expr = resbound;
    2787              : 
    2788              :       /* Get the coshape for this dimension.  */
    2789          248 :       if (expr->value.function.isym->id == GFC_ISYM_COSHAPE)
    2790              :         {
    2791            4 :           gcc_assert (lbound != NULL_TREE);
    2792            4 :           se->expr = fold_build2_loc (input_location, MINUS_EXPR,
    2793              :                                       gfc_array_index_type,
    2794              :                                       se->expr, lbound);
    2795            4 :           se->expr = fold_build2_loc (input_location, PLUS_EXPR,
    2796              :                                       gfc_array_index_type,
    2797              :                                       se->expr, gfc_index_one_node);
    2798              :         }
    2799              :     }
    2800              :   else
    2801          418 :     se->expr = resbound;
    2802              : 
    2803          666 :   type = gfc_typenode_for_spec (&expr->ts);
    2804          666 :   se->expr = convert (type, se->expr);
    2805          666 : }
    2806              : 
    2807              : 
    2808              : static void
    2809         2429 : conv_intrinsic_stride (gfc_se * se, gfc_expr * expr)
    2810              : {
    2811         2429 :   gfc_actual_arglist *array_arg;
    2812         2429 :   gfc_actual_arglist *dim_arg;
    2813         2429 :   gfc_se argse;
    2814         2429 :   tree desc, tmp;
    2815              : 
    2816         2429 :   array_arg = expr->value.function.actual;
    2817         2429 :   dim_arg = array_arg->next;
    2818              : 
    2819         2429 :   gcc_assert (array_arg->expr->expr_type == EXPR_VARIABLE);
    2820              : 
    2821         2429 :   gfc_init_se (&argse, NULL);
    2822         2429 :   gfc_conv_expr_descriptor (&argse, array_arg->expr);
    2823         2429 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    2824         2429 :   gfc_add_block_to_block (&se->post, &argse.post);
    2825         2429 :   desc = argse.expr;
    2826              : 
    2827         2429 :   gcc_assert (dim_arg->expr);
    2828         2429 :   gfc_init_se (&argse, NULL);
    2829         2429 :   gfc_conv_expr_type (&argse, dim_arg->expr, gfc_array_index_type);
    2830         2429 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    2831         2429 :   tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
    2832              :                          argse.expr, gfc_index_one_node);
    2833         2429 :   se->expr = gfc_conv_descriptor_stride_get (desc, tmp);
    2834         2429 : }
    2835              : 
    2836              : static void
    2837         8028 : gfc_conv_intrinsic_abs (gfc_se * se, gfc_expr * expr)
    2838              : {
    2839         8028 :   tree arg, cabs;
    2840              : 
    2841         8028 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    2842              : 
    2843         8028 :   switch (expr->value.function.actual->expr->ts.type)
    2844              :     {
    2845         7004 :     case BT_INTEGER:
    2846         7004 :     case BT_REAL:
    2847         7004 :       se->expr = fold_build1_loc (input_location, ABS_EXPR, TREE_TYPE (arg),
    2848              :                                   arg);
    2849         7004 :       break;
    2850              : 
    2851         1024 :     case BT_COMPLEX:
    2852         1024 :       cabs = gfc_builtin_decl_for_float_kind (BUILT_IN_CABS, expr->ts.kind);
    2853         1024 :       se->expr = build_call_expr_loc (input_location, cabs, 1, arg);
    2854         1024 :       break;
    2855              : 
    2856            0 :     default:
    2857            0 :       gcc_unreachable ();
    2858              :     }
    2859         8028 : }
    2860              : 
    2861              : 
    2862              : /* Create a complex value from one or two real components.  */
    2863              : 
    2864              : static void
    2865          497 : gfc_conv_intrinsic_cmplx (gfc_se * se, gfc_expr * expr, int both)
    2866              : {
    2867          497 :   tree real;
    2868          497 :   tree imag;
    2869          497 :   tree type;
    2870          497 :   tree *args;
    2871          497 :   unsigned int num_args;
    2872              : 
    2873          497 :   num_args = gfc_intrinsic_argument_list_length (expr);
    2874          497 :   args = XALLOCAVEC (tree, num_args);
    2875              : 
    2876          497 :   type = gfc_typenode_for_spec (&expr->ts);
    2877          497 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
    2878          497 :   real = convert (TREE_TYPE (type), args[0]);
    2879          497 :   if (both)
    2880          453 :     imag = convert (TREE_TYPE (type), args[1]);
    2881           44 :   else if (TREE_CODE (TREE_TYPE (args[0])) == COMPLEX_TYPE)
    2882              :     {
    2883           30 :       imag = fold_build1_loc (input_location, IMAGPART_EXPR,
    2884           30 :                               TREE_TYPE (TREE_TYPE (args[0])), args[0]);
    2885           30 :       imag = convert (TREE_TYPE (type), imag);
    2886              :     }
    2887              :   else
    2888           14 :     imag = build_real_from_int_cst (TREE_TYPE (type), integer_zero_node);
    2889              : 
    2890          497 :   se->expr = fold_build2_loc (input_location, COMPLEX_EXPR, type, real, imag);
    2891          497 : }
    2892              : 
    2893              : 
    2894              : /* Remainder function MOD(A, P) = A - INT(A / P) * P
    2895              :                       MODULO(A, P) = A - FLOOR (A / P) * P
    2896              : 
    2897              :    The obvious algorithms above are numerically instable for large
    2898              :    arguments, hence these intrinsics are instead implemented via calls
    2899              :    to the fmod family of functions.  It is the responsibility of the
    2900              :    user to ensure that the second argument is non-zero.  */
    2901              : 
    2902              : static void
    2903         3827 : gfc_conv_intrinsic_mod (gfc_se * se, gfc_expr * expr, int modulo)
    2904              : {
    2905         3827 :   tree type;
    2906         3827 :   tree tmp;
    2907         3827 :   tree test;
    2908         3827 :   tree test2;
    2909         3827 :   tree fmod;
    2910         3827 :   tree zero;
    2911         3827 :   tree args[2];
    2912              : 
    2913         3827 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    2914              : 
    2915         3827 :   switch (expr->ts.type)
    2916              :     {
    2917         3674 :     case BT_INTEGER:
    2918              :       /* Integer case is easy, we've got a builtin op.  */
    2919         3674 :       type = TREE_TYPE (args[0]);
    2920              : 
    2921         3674 :       if (modulo)
    2922          411 :        se->expr = fold_build2_loc (input_location, FLOOR_MOD_EXPR, type,
    2923              :                                    args[0], args[1]);
    2924              :       else
    2925         3263 :        se->expr = fold_build2_loc (input_location, TRUNC_MOD_EXPR, type,
    2926              :                                    args[0], args[1]);
    2927              :       break;
    2928              : 
    2929           30 :     case BT_UNSIGNED:
    2930              :       /* Even easier, we only need one.  */
    2931           30 :       type = TREE_TYPE (args[0]);
    2932           30 :       se->expr = fold_build2_loc (input_location, TRUNC_MOD_EXPR, type,
    2933              :                                   args[0], args[1]);
    2934           30 :       break;
    2935              : 
    2936          123 :     case BT_REAL:
    2937          123 :       fmod = NULL_TREE;
    2938              :       /* Check if we have a builtin fmod.  */
    2939          123 :       fmod = gfc_builtin_decl_for_float_kind (BUILT_IN_FMOD, expr->ts.kind);
    2940              : 
    2941              :       /* The builtin should always be available.  */
    2942          123 :       gcc_assert (fmod != NULL_TREE);
    2943              : 
    2944          123 :       tmp = build_addr (fmod);
    2945          123 :       se->expr = build_call_array_loc (input_location,
    2946          123 :                                        TREE_TYPE (TREE_TYPE (fmod)),
    2947              :                                        tmp, 2, args);
    2948          123 :       if (modulo == 0)
    2949          123 :         return;
    2950              : 
    2951           25 :       type = TREE_TYPE (args[0]);
    2952              : 
    2953           25 :       args[0] = gfc_evaluate_now (args[0], &se->pre);
    2954           25 :       args[1] = gfc_evaluate_now (args[1], &se->pre);
    2955              : 
    2956              :       /* Definition:
    2957              :          modulo = arg - floor (arg/arg2) * arg2
    2958              : 
    2959              :          In order to calculate the result accurately, we use the fmod
    2960              :          function as follows.
    2961              : 
    2962              :          res = fmod (arg, arg2);
    2963              :          if (res)
    2964              :            {
    2965              :              if ((arg < 0) xor (arg2 < 0))
    2966              :                res += arg2;
    2967              :            }
    2968              :          else
    2969              :            res = copysign (0., arg2);
    2970              : 
    2971              :          => As two nested ternary exprs:
    2972              : 
    2973              :          res = res ? (((arg < 0) xor (arg2 < 0)) ? res + arg2 : res)
    2974              :                : copysign (0., arg2);
    2975              : 
    2976              :       */
    2977              : 
    2978           25 :       zero = gfc_build_const (type, integer_zero_node);
    2979           25 :       tmp = gfc_evaluate_now (se->expr, &se->pre);
    2980           25 :       if (!flag_signed_zeros)
    2981              :         {
    2982            1 :           test = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    2983              :                                   args[0], zero);
    2984            1 :           test2 = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    2985              :                                    args[1], zero);
    2986            1 :           test2 = fold_build2_loc (input_location, TRUTH_XOR_EXPR,
    2987              :                                    logical_type_node, test, test2);
    2988            1 :           test = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    2989              :                                   tmp, zero);
    2990            1 :           test = fold_build2_loc (input_location, TRUTH_AND_EXPR,
    2991              :                                   logical_type_node, test, test2);
    2992            1 :           test = gfc_evaluate_now (test, &se->pre);
    2993            1 :           se->expr = fold_build3_loc (input_location, COND_EXPR, type, test,
    2994              :                                       fold_build2_loc (input_location,
    2995              :                                                        PLUS_EXPR,
    2996              :                                                        type, tmp, args[1]),
    2997              :                                       tmp);
    2998              :         }
    2999              :       else
    3000              :         {
    3001           24 :           tree expr1, copysign, cscall;
    3002           24 :           copysign = gfc_builtin_decl_for_float_kind (BUILT_IN_COPYSIGN,
    3003              :                                                       expr->ts.kind);
    3004           24 :           test = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    3005              :                                   args[0], zero);
    3006           24 :           test2 = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    3007              :                                    args[1], zero);
    3008           24 :           test2 = fold_build2_loc (input_location, TRUTH_XOR_EXPR,
    3009              :                                    logical_type_node, test, test2);
    3010           24 :           expr1 = fold_build3_loc (input_location, COND_EXPR, type, test2,
    3011              :                                    fold_build2_loc (input_location,
    3012              :                                                     PLUS_EXPR,
    3013              :                                                     type, tmp, args[1]),
    3014              :                                    tmp);
    3015           24 :           test = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    3016              :                                   tmp, zero);
    3017           24 :           cscall = build_call_expr_loc (input_location, copysign, 2, zero,
    3018              :                                         args[1]);
    3019           24 :           se->expr = fold_build3_loc (input_location, COND_EXPR, type, test,
    3020              :                                       expr1, cscall);
    3021              :         }
    3022              :       return;
    3023              : 
    3024            0 :     default:
    3025            0 :       gcc_unreachable ();
    3026              :     }
    3027              : }
    3028              : 
    3029              : /* DSHIFTL(I,J,S) = (I << S) | (J >> (BITSIZE(J) - S))
    3030              :    DSHIFTR(I,J,S) = (I << (BITSIZE(I) - S)) | (J >> S)
    3031              :    where the right shifts are logical (i.e. 0's are shifted in).
    3032              :    Because SHIFT_EXPR's want shifts strictly smaller than the integral
    3033              :    type width, we have to special-case both S == 0 and S == BITSIZE(J):
    3034              :      DSHIFTL(I,J,0) = I
    3035              :      DSHIFTL(I,J,BITSIZE) = J
    3036              :      DSHIFTR(I,J,0) = J
    3037              :      DSHIFTR(I,J,BITSIZE) = I.  */
    3038              : 
    3039              : static void
    3040          132 : gfc_conv_intrinsic_dshift (gfc_se * se, gfc_expr * expr, bool dshiftl)
    3041              : {
    3042          132 :   tree type, utype, stype, arg1, arg2, shift, res, left, right;
    3043          132 :   tree args[3], cond, tmp;
    3044          132 :   int bitsize;
    3045              : 
    3046          132 :   gfc_conv_intrinsic_function_args (se, expr, args, 3);
    3047              : 
    3048          132 :   gcc_assert (TREE_TYPE (args[0]) == TREE_TYPE (args[1]));
    3049          132 :   type = TREE_TYPE (args[0]);
    3050          132 :   bitsize = TYPE_PRECISION (type);
    3051          132 :   utype = unsigned_type_for (type);
    3052          132 :   stype = TREE_TYPE (args[2]);
    3053              : 
    3054          132 :   arg1 = gfc_evaluate_now (args[0], &se->pre);
    3055          132 :   arg2 = gfc_evaluate_now (args[1], &se->pre);
    3056          132 :   shift = gfc_evaluate_now (args[2], &se->pre);
    3057              : 
    3058              :   /* The generic case.  */
    3059          132 :   tmp = fold_build2_loc (input_location, MINUS_EXPR, stype,
    3060          132 :                          build_int_cst (stype, bitsize), shift);
    3061          198 :   left = fold_build2_loc (input_location, LSHIFT_EXPR, type,
    3062              :                           arg1, dshiftl ? shift : tmp);
    3063              : 
    3064          198 :   right = fold_build2_loc (input_location, RSHIFT_EXPR, utype,
    3065              :                            fold_convert (utype, arg2), dshiftl ? tmp : shift);
    3066          132 :   right = fold_convert (type, right);
    3067              : 
    3068          132 :   res = fold_build2_loc (input_location, BIT_IOR_EXPR, type, left, right);
    3069              : 
    3070              :   /* Special cases.  */
    3071          132 :   cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, shift,
    3072              :                           build_int_cst (stype, 0));
    3073          198 :   res = fold_build3_loc (input_location, COND_EXPR, type, cond,
    3074              :                          dshiftl ? arg1 : arg2, res);
    3075              : 
    3076          132 :   cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, shift,
    3077          132 :                           build_int_cst (stype, bitsize));
    3078          198 :   res = fold_build3_loc (input_location, COND_EXPR, type, cond,
    3079              :                          dshiftl ? arg2 : arg1, res);
    3080              : 
    3081          132 :   se->expr = res;
    3082          132 : }
    3083              : 
    3084              : 
    3085              : /* Positive difference DIM (x, y) = ((x - y) < 0) ? 0 : x - y.  */
    3086              : 
    3087              : static void
    3088           96 : gfc_conv_intrinsic_dim (gfc_se * se, gfc_expr * expr)
    3089              : {
    3090           96 :   tree val;
    3091           96 :   tree tmp;
    3092           96 :   tree type;
    3093           96 :   tree zero;
    3094           96 :   tree args[2];
    3095              : 
    3096           96 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    3097           96 :   type = TREE_TYPE (args[0]);
    3098              : 
    3099           96 :   val = fold_build2_loc (input_location, MINUS_EXPR, type, args[0], args[1]);
    3100           96 :   val = gfc_evaluate_now (val, &se->pre);
    3101              : 
    3102           96 :   zero = gfc_build_const (type, integer_zero_node);
    3103           96 :   tmp = fold_build2_loc (input_location, LE_EXPR, logical_type_node, val, zero);
    3104           96 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, tmp, zero, val);
    3105           96 : }
    3106              : 
    3107              : 
    3108              : /* SIGN(A, B) is absolute value of A times sign of B.
    3109              :    The real value versions use library functions to ensure the correct
    3110              :    handling of negative zero.  Integer case implemented as:
    3111              :    SIGN(A, B) = { tmp = (A ^ B) >> C; (A + tmp) ^ tmp }
    3112              :   */
    3113              : 
    3114              : static void
    3115          423 : gfc_conv_intrinsic_sign (gfc_se * se, gfc_expr * expr)
    3116              : {
    3117          423 :   tree tmp;
    3118          423 :   tree type;
    3119          423 :   tree args[2];
    3120              : 
    3121          423 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    3122          423 :   if (expr->ts.type == BT_REAL)
    3123              :     {
    3124          161 :       tree abs;
    3125              : 
    3126          161 :       tmp = gfc_builtin_decl_for_float_kind (BUILT_IN_COPYSIGN, expr->ts.kind);
    3127          161 :       abs = gfc_builtin_decl_for_float_kind (BUILT_IN_FABS, expr->ts.kind);
    3128              : 
    3129              :       /* We explicitly have to ignore the minus sign. We do so by using
    3130              :          result = (arg1 == 0) ? abs(arg0) : copysign(arg0, arg1).  */
    3131          161 :       if (!flag_sign_zero
    3132          197 :           && MODE_HAS_SIGNED_ZEROS (TYPE_MODE (TREE_TYPE (args[1]))))
    3133              :         {
    3134           12 :           tree cond, zero;
    3135           12 :           zero = build_real_from_int_cst (TREE_TYPE (args[1]), integer_zero_node);
    3136           12 :           cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    3137              :                                   args[1], zero);
    3138           24 :           se->expr = fold_build3_loc (input_location, COND_EXPR,
    3139           12 :                                   TREE_TYPE (args[0]), cond,
    3140              :                                   build_call_expr_loc (input_location, abs, 1,
    3141              :                                                        args[0]),
    3142              :                                   build_call_expr_loc (input_location, tmp, 2,
    3143              :                                                        args[0], args[1]));
    3144              :         }
    3145              :       else
    3146          149 :         se->expr = build_call_expr_loc (input_location, tmp, 2,
    3147              :                                         args[0], args[1]);
    3148          161 :       return;
    3149              :     }
    3150              : 
    3151              :   /* Having excluded floating point types, we know we are now dealing
    3152              :      with signed integer types.  */
    3153          262 :   type = TREE_TYPE (args[0]);
    3154              : 
    3155              :   /* Args[0] is used multiple times below.  */
    3156          262 :   args[0] = gfc_evaluate_now (args[0], &se->pre);
    3157              : 
    3158              :   /* Construct (A ^ B) >> 31, which generates a bit mask of all zeros if
    3159              :      the signs of A and B are the same, and of all ones if they differ.  */
    3160          262 :   tmp = fold_build2_loc (input_location, BIT_XOR_EXPR, type, args[0], args[1]);
    3161          262 :   tmp = fold_build2_loc (input_location, RSHIFT_EXPR, type, tmp,
    3162          262 :                          build_int_cst (type, TYPE_PRECISION (type) - 1));
    3163          262 :   tmp = gfc_evaluate_now (tmp, &se->pre);
    3164              : 
    3165              :   /* Construct (A + tmp) ^ tmp, which is A if tmp is zero, and -A if tmp]
    3166              :      is all ones (i.e. -1).  */
    3167          262 :   se->expr = fold_build2_loc (input_location, BIT_XOR_EXPR, type,
    3168              :                               fold_build2_loc (input_location, PLUS_EXPR,
    3169              :                                                type, args[0], tmp), tmp);
    3170              : }
    3171              : 
    3172              : 
    3173              : /* Test for the presence of an optional argument.  */
    3174              : 
    3175              : static void
    3176         5196 : gfc_conv_intrinsic_present (gfc_se * se, gfc_expr * expr)
    3177              : {
    3178         5196 :   gfc_expr *arg;
    3179              : 
    3180         5196 :   arg = expr->value.function.actual->expr;
    3181         5196 :   gcc_assert (arg->expr_type == EXPR_VARIABLE);
    3182         5196 :   se->expr = gfc_conv_expr_present (arg->symtree->n.sym);
    3183         5196 :   se->expr = convert (gfc_typenode_for_spec (&expr->ts), se->expr);
    3184         5196 : }
    3185              : 
    3186              : 
    3187              : /* Calculate the double precision product of two single precision values.  */
    3188              : 
    3189              : static void
    3190           13 : gfc_conv_intrinsic_dprod (gfc_se * se, gfc_expr * expr)
    3191              : {
    3192           13 :   tree type;
    3193           13 :   tree args[2];
    3194              : 
    3195           13 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    3196              : 
    3197              :   /* Convert the args to double precision before multiplying.  */
    3198           13 :   type = gfc_typenode_for_spec (&expr->ts);
    3199           13 :   args[0] = convert (type, args[0]);
    3200           13 :   args[1] = convert (type, args[1]);
    3201           13 :   se->expr = fold_build2_loc (input_location, MULT_EXPR, type, args[0],
    3202              :                               args[1]);
    3203           13 : }
    3204              : 
    3205              : 
    3206              : /* Return a length one character string containing an ascii character.  */
    3207              : 
    3208              : static void
    3209         2020 : gfc_conv_intrinsic_char (gfc_se * se, gfc_expr * expr)
    3210              : {
    3211         2020 :   tree arg[2];
    3212         2020 :   tree var;
    3213         2020 :   tree type;
    3214         2020 :   unsigned int num_args;
    3215              : 
    3216         2020 :   num_args = gfc_intrinsic_argument_list_length (expr);
    3217         2020 :   gfc_conv_intrinsic_function_args (se, expr, arg, num_args);
    3218              : 
    3219         2020 :   type = gfc_get_char_type (expr->ts.kind);
    3220         2020 :   var = gfc_create_var (type, "char");
    3221              : 
    3222         2020 :   arg[0] = fold_build1_loc (input_location, NOP_EXPR, type, arg[0]);
    3223         2020 :   gfc_add_modify (&se->pre, var, arg[0]);
    3224         2020 :   se->expr = gfc_build_addr_expr (build_pointer_type (type), var);
    3225         2020 :   se->string_length = build_int_cst (gfc_charlen_type_node, 1);
    3226         2020 : }
    3227              : 
    3228              : 
    3229              : static void
    3230            0 : gfc_conv_intrinsic_ctime (gfc_se * se, gfc_expr * expr)
    3231              : {
    3232            0 :   tree var;
    3233            0 :   tree len;
    3234            0 :   tree tmp;
    3235            0 :   tree cond;
    3236            0 :   tree fndecl;
    3237            0 :   tree *args;
    3238            0 :   unsigned int num_args;
    3239              : 
    3240            0 :   num_args = gfc_intrinsic_argument_list_length (expr) + 2;
    3241            0 :   args = XALLOCAVEC (tree, num_args);
    3242              : 
    3243            0 :   var = gfc_create_var (pchar_type_node, "pstr");
    3244            0 :   len = gfc_create_var (gfc_charlen_type_node, "len");
    3245              : 
    3246            0 :   gfc_conv_intrinsic_function_args (se, expr, &args[2], num_args - 2);
    3247            0 :   args[0] = gfc_build_addr_expr (NULL_TREE, var);
    3248            0 :   args[1] = gfc_build_addr_expr (NULL_TREE, len);
    3249              : 
    3250            0 :   fndecl = build_addr (gfor_fndecl_ctime);
    3251            0 :   tmp = build_call_array_loc (input_location,
    3252            0 :                           TREE_TYPE (TREE_TYPE (gfor_fndecl_ctime)),
    3253              :                           fndecl, num_args, args);
    3254            0 :   gfc_add_expr_to_block (&se->pre, tmp);
    3255              : 
    3256              :   /* Free the temporary afterwards, if necessary.  */
    3257            0 :   cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    3258            0 :                           len, build_int_cst (TREE_TYPE (len), 0));
    3259            0 :   tmp = gfc_call_free (var);
    3260            0 :   tmp = build3_v (COND_EXPR, cond, tmp, build_empty_stmt (input_location));
    3261            0 :   gfc_add_expr_to_block (&se->post, tmp);
    3262              : 
    3263            0 :   se->expr = var;
    3264            0 :   se->string_length = len;
    3265            0 : }
    3266              : 
    3267              : 
    3268              : static void
    3269            0 : gfc_conv_intrinsic_fdate (gfc_se * se, gfc_expr * expr)
    3270              : {
    3271            0 :   tree var;
    3272            0 :   tree len;
    3273            0 :   tree tmp;
    3274            0 :   tree cond;
    3275            0 :   tree fndecl;
    3276            0 :   tree *args;
    3277            0 :   unsigned int num_args;
    3278              : 
    3279            0 :   num_args = gfc_intrinsic_argument_list_length (expr) + 2;
    3280            0 :   args = XALLOCAVEC (tree, num_args);
    3281              : 
    3282            0 :   var = gfc_create_var (pchar_type_node, "pstr");
    3283            0 :   len = gfc_create_var (gfc_charlen_type_node, "len");
    3284              : 
    3285            0 :   gfc_conv_intrinsic_function_args (se, expr, &args[2], num_args - 2);
    3286            0 :   args[0] = gfc_build_addr_expr (NULL_TREE, var);
    3287            0 :   args[1] = gfc_build_addr_expr (NULL_TREE, len);
    3288              : 
    3289            0 :   fndecl = build_addr (gfor_fndecl_fdate);
    3290            0 :   tmp = build_call_array_loc (input_location,
    3291            0 :                           TREE_TYPE (TREE_TYPE (gfor_fndecl_fdate)),
    3292              :                           fndecl, num_args, args);
    3293            0 :   gfc_add_expr_to_block (&se->pre, tmp);
    3294              : 
    3295              :   /* Free the temporary afterwards, if necessary.  */
    3296            0 :   cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    3297            0 :                           len, build_int_cst (TREE_TYPE (len), 0));
    3298            0 :   tmp = gfc_call_free (var);
    3299            0 :   tmp = build3_v (COND_EXPR, cond, tmp, build_empty_stmt (input_location));
    3300            0 :   gfc_add_expr_to_block (&se->post, tmp);
    3301              : 
    3302            0 :   se->expr = var;
    3303            0 :   se->string_length = len;
    3304            0 : }
    3305              : 
    3306              : 
    3307              : /* Generate a direct call to free() for the FREE subroutine.  */
    3308              : 
    3309              : static tree
    3310           10 : conv_intrinsic_free (gfc_code *code)
    3311              : {
    3312           10 :   stmtblock_t block;
    3313           10 :   gfc_se argse;
    3314           10 :   tree arg, call;
    3315              : 
    3316           10 :   gfc_init_se (&argse, NULL);
    3317           10 :   gfc_conv_expr (&argse, code->ext.actual->expr);
    3318           10 :   arg = fold_convert (ptr_type_node, argse.expr);
    3319              : 
    3320           10 :   gfc_init_block (&block);
    3321           10 :   call = build_call_expr_loc (input_location,
    3322              :                               builtin_decl_explicit (BUILT_IN_FREE), 1, arg);
    3323           10 :   gfc_add_expr_to_block (&block, call);
    3324           10 :   return gfc_finish_block (&block);
    3325              : }
    3326              : 
    3327              : 
    3328              : /* Call the RANDOM_INIT library subroutine with a hidden argument for
    3329              :    handling seeding on coarray images.  */
    3330              : 
    3331              : static tree
    3332           90 : conv_intrinsic_random_init (gfc_code *code)
    3333              : {
    3334           90 :   stmtblock_t block;
    3335           90 :   gfc_se se;
    3336           90 :   tree arg1, arg2, tmp;
    3337              :   /* On none coarray == lib compiles use LOGICAL(4) else regular LOGICAL.  */
    3338           90 :   tree used_bool_type_node = flag_coarray == GFC_FCOARRAY_LIB
    3339           90 :                              ? logical_type_node
    3340           90 :                              : gfc_get_logical_type (4);
    3341              : 
    3342              :   /* Make the function call.  */
    3343           90 :   gfc_init_block (&block);
    3344           90 :   gfc_init_se (&se, NULL);
    3345              : 
    3346              :   /* Convert REPEATABLE to the desired LOGICAL entity.  */
    3347           90 :   gfc_conv_expr (&se, code->ext.actual->expr);
    3348           90 :   gfc_add_block_to_block (&block, &se.pre);
    3349           90 :   arg1 = fold_convert (used_bool_type_node, gfc_evaluate_now (se.expr, &block));
    3350           90 :   gfc_add_block_to_block (&block, &se.post);
    3351              : 
    3352              :   /* Convert IMAGE_DISTINCT to the desired LOGICAL entity.  */
    3353           90 :   gfc_conv_expr (&se, code->ext.actual->next->expr);
    3354           90 :   gfc_add_block_to_block (&block, &se.pre);
    3355           90 :   arg2 = fold_convert (used_bool_type_node, gfc_evaluate_now (se.expr, &block));
    3356           90 :   gfc_add_block_to_block (&block, &se.post);
    3357              : 
    3358           90 :   if (flag_coarray == GFC_FCOARRAY_LIB)
    3359              :     {
    3360            0 :       tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_random_init,
    3361              :                                  2, arg1, arg2);
    3362              :     }
    3363              :   else
    3364              :     {
    3365              :       /* The ABI for libgfortran needs to be maintained, so a hidden
    3366              :          argument must be include if code is compiled with -fcoarray=single
    3367              :          or without the option.  Set to 0.  */
    3368           90 :       tree arg3 = build_int_cst (gfc_get_int_type (4), 0);
    3369           90 :       tmp = build_call_expr_loc (input_location, gfor_fndecl_random_init,
    3370              :                                  3, arg1, arg2, arg3);
    3371              :     }
    3372              : 
    3373           90 :   gfc_add_expr_to_block (&block, tmp);
    3374              : 
    3375           90 :   return gfc_finish_block (&block);
    3376              : }
    3377              : 
    3378              : 
    3379              : /* Call the SYSTEM_CLOCK library functions, handling the type and kind
    3380              :    conversions.  */
    3381              : 
    3382              : static tree
    3383          196 : conv_intrinsic_system_clock (gfc_code *code)
    3384              : {
    3385          196 :   stmtblock_t block;
    3386          196 :   gfc_se count_se, count_rate_se, count_max_se;
    3387          196 :   tree arg1 = NULL_TREE, arg2 = NULL_TREE, arg3 = NULL_TREE;
    3388          196 :   tree tmp;
    3389          196 :   int least;
    3390              : 
    3391          196 :   gfc_expr *count = code->ext.actual->expr;
    3392          196 :   gfc_expr *count_rate = code->ext.actual->next->expr;
    3393          196 :   gfc_expr *count_max = code->ext.actual->next->next->expr;
    3394              : 
    3395              :   /* Evaluate our arguments.  */
    3396          196 :   if (count)
    3397              :     {
    3398          196 :       gfc_init_se (&count_se, NULL);
    3399          196 :       gfc_conv_expr (&count_se, count);
    3400              :     }
    3401              : 
    3402          196 :   if (count_rate)
    3403              :     {
    3404          181 :       gfc_init_se (&count_rate_se, NULL);
    3405          181 :       gfc_conv_expr (&count_rate_se, count_rate);
    3406              :     }
    3407              : 
    3408          196 :   if (count_max)
    3409              :     {
    3410          180 :       gfc_init_se (&count_max_se, NULL);
    3411          180 :       gfc_conv_expr (&count_max_se, count_max);
    3412              :     }
    3413              : 
    3414              :   /* Find the smallest kind found of the arguments.  */
    3415          196 :   least = 16;
    3416          196 :   least = (count && count->ts.kind < least) ? count->ts.kind : least;
    3417          196 :   least = (count_rate && count_rate->ts.kind < least) ? count_rate->ts.kind
    3418              :                                                       : least;
    3419          196 :   least = (count_max && count_max->ts.kind < least) ? count_max->ts.kind
    3420              :                                                     : least;
    3421              : 
    3422              :   /* Prepare temporary variables.  */
    3423              : 
    3424          196 :   if (count)
    3425              :     {
    3426          196 :       if (least >= 8)
    3427           18 :         arg1 = gfc_create_var (gfc_get_int_type (8), "count");
    3428          178 :       else if (least == 4)
    3429          154 :         arg1 = gfc_create_var (gfc_get_int_type (4), "count");
    3430           24 :       else if (count->ts.kind == 1)
    3431           12 :         arg1 = gfc_conv_mpz_to_tree (gfc_integer_kinds[0].pedantic_min_int,
    3432              :                                      count->ts.kind);
    3433              :       else
    3434           12 :         arg1 = gfc_conv_mpz_to_tree (gfc_integer_kinds[1].pedantic_min_int,
    3435              :                                      count->ts.kind);
    3436              :     }
    3437              : 
    3438          196 :   if (count_rate)
    3439              :     {
    3440          181 :       if (least >= 8)
    3441           18 :         arg2 = gfc_create_var (gfc_get_int_type (8), "count_rate");
    3442          163 :       else if (least == 4)
    3443          139 :         arg2 = gfc_create_var (gfc_get_int_type (4), "count_rate");
    3444              :       else
    3445           24 :         arg2 = integer_zero_node;
    3446              :     }
    3447              : 
    3448          196 :   if (count_max)
    3449              :     {
    3450          180 :       if (least >= 8)
    3451           18 :         arg3 = gfc_create_var (gfc_get_int_type (8), "count_max");
    3452          162 :       else if (least == 4)
    3453          138 :         arg3 = gfc_create_var (gfc_get_int_type (4), "count_max");
    3454              :       else
    3455           24 :         arg3 = integer_zero_node;
    3456              :     }
    3457              : 
    3458              :   /* Make the function call.  */
    3459          196 :   gfc_init_block (&block);
    3460              : 
    3461          196 : if (least <= 2)
    3462              :   {
    3463           24 :     if (least == 1)
    3464              :       {
    3465           12 :         arg1 ? gfc_build_addr_expr (NULL_TREE, arg1)
    3466              :                : null_pointer_node;
    3467           12 :         arg2 ? gfc_build_addr_expr (NULL_TREE, arg2)
    3468              :                : null_pointer_node;
    3469           12 :         arg3 ? gfc_build_addr_expr (NULL_TREE, arg3)
    3470              :                : null_pointer_node;
    3471              :       }
    3472              : 
    3473           24 :     if (least == 2)
    3474              :       {
    3475           12 :         arg1 ? gfc_build_addr_expr (NULL_TREE, arg1)
    3476              :                : null_pointer_node;
    3477           12 :         arg2 ? gfc_build_addr_expr (NULL_TREE, arg2)
    3478              :                : null_pointer_node;
    3479           12 :         arg3 ? gfc_build_addr_expr (NULL_TREE, arg3)
    3480              :                : null_pointer_node;
    3481              :       }
    3482              :   }
    3483              : else
    3484              :   {
    3485          172 :     if (least == 4)
    3486              :       {
    3487          585 :         tmp = build_call_expr_loc (input_location,
    3488              :                 gfor_fndecl_system_clock4, 3,
    3489          154 :                 arg1 ? gfc_build_addr_expr (NULL_TREE, arg1)
    3490              :                        : null_pointer_node,
    3491          139 :                 arg2 ? gfc_build_addr_expr (NULL_TREE, arg2)
    3492              :                        : null_pointer_node,
    3493          138 :                 arg3 ? gfc_build_addr_expr (NULL_TREE, arg3)
    3494              :                        : null_pointer_node);
    3495          154 :         gfc_add_expr_to_block (&block, tmp);
    3496              :       }
    3497              :     /* Handle kind>=8, 10, or 16 arguments */
    3498          172 :     if (least >= 8)
    3499              :       {
    3500           72 :         tmp = build_call_expr_loc (input_location,
    3501              :                 gfor_fndecl_system_clock8, 3,
    3502           18 :                 arg1 ? gfc_build_addr_expr (NULL_TREE, arg1)
    3503              :                        : null_pointer_node,
    3504           18 :                 arg2 ? gfc_build_addr_expr (NULL_TREE, arg2)
    3505              :                        : null_pointer_node,
    3506           18 :                 arg3 ? gfc_build_addr_expr (NULL_TREE, arg3)
    3507              :                        : null_pointer_node);
    3508           18 :         gfc_add_expr_to_block (&block, tmp);
    3509              :       }
    3510              :   }
    3511              : 
    3512              :   /* And store values back if needed.  */
    3513          196 :   if (arg1 && arg1 != count_se.expr)
    3514          196 :     gfc_add_modify (&block, count_se.expr,
    3515          196 :                     fold_convert (TREE_TYPE (count_se.expr), arg1));
    3516          196 :   if (arg2 && arg2 != count_rate_se.expr)
    3517          181 :     gfc_add_modify (&block, count_rate_se.expr,
    3518          181 :                     fold_convert (TREE_TYPE (count_rate_se.expr), arg2));
    3519          196 :   if (arg3 && arg3 != count_max_se.expr)
    3520          180 :     gfc_add_modify (&block, count_max_se.expr,
    3521          180 :                     fold_convert (TREE_TYPE (count_max_se.expr), arg3));
    3522              : 
    3523          196 :   return gfc_finish_block (&block);
    3524              : }
    3525              : 
    3526              : static tree
    3527          102 : conv_intrinsic_split (gfc_code *code)
    3528              : {
    3529          102 :   stmtblock_t block, post_block;
    3530          102 :   gfc_se se;
    3531          102 :   gfc_expr *string_expr, *set_expr, *pos_expr, *back_expr;
    3532          102 :   tree string, string_len;
    3533          102 :   tree set, set_len;
    3534          102 :   tree pos, pos_for_call;
    3535          102 :   tree back;
    3536          102 :   tree fndecl, call;
    3537              : 
    3538          102 :   string_expr = code->ext.actual->expr;
    3539          102 :   set_expr = code->ext.actual->next->expr;
    3540          102 :   pos_expr = code->ext.actual->next->next->expr;
    3541          102 :   back_expr = code->ext.actual->next->next->next->expr;
    3542              : 
    3543          102 :   gfc_start_block (&block);
    3544          102 :   gfc_init_block (&post_block);
    3545              : 
    3546          102 :   gfc_init_se (&se, NULL);
    3547          102 :   gfc_conv_expr (&se, string_expr);
    3548          102 :   gfc_conv_string_parameter (&se);
    3549          102 :   gfc_add_block_to_block (&block, &se.pre);
    3550          102 :   gfc_add_block_to_block (&post_block, &se.post);
    3551          102 :   string = se.expr;
    3552          102 :   string_len = se.string_length;
    3553              : 
    3554          102 :   gfc_init_se (&se, NULL);
    3555          102 :   gfc_conv_expr (&se, set_expr);
    3556          102 :   gfc_conv_string_parameter (&se);
    3557          102 :   gfc_add_block_to_block (&block, &se.pre);
    3558          102 :   gfc_add_block_to_block (&post_block, &se.post);
    3559          102 :   set = se.expr;
    3560          102 :   set_len = se.string_length;
    3561              : 
    3562          102 :   gfc_init_se (&se, NULL);
    3563          102 :   gfc_conv_expr (&se, pos_expr);
    3564          102 :   gfc_add_block_to_block (&block, &se.pre);
    3565          102 :   gfc_add_block_to_block (&post_block, &se.post);
    3566          102 :   pos = se.expr;
    3567          102 :   pos_for_call = fold_convert (gfc_charlen_type_node, pos);
    3568              : 
    3569          102 :   if (back_expr)
    3570              :     {
    3571           48 :       gfc_init_se (&se, NULL);
    3572           48 :       gfc_conv_expr (&se, back_expr);
    3573           48 :       gfc_add_block_to_block (&block, &se.pre);
    3574           48 :       gfc_add_block_to_block (&post_block, &se.post);
    3575           48 :       back = se.expr;
    3576              :     }
    3577              :   else
    3578           54 :     back = logical_false_node;
    3579              : 
    3580          102 :   if (string_expr->ts.kind == 1)
    3581           66 :     fndecl = gfor_fndecl_string_split;
    3582           36 :   else if (string_expr->ts.kind == 4)
    3583           36 :     fndecl = gfor_fndecl_string_split_char4;
    3584              :   else
    3585            0 :     gcc_unreachable ();
    3586              : 
    3587          102 :   call = build_call_expr_loc (input_location, fndecl, 6, string_len, string,
    3588              :                               set_len, set, pos_for_call, back);
    3589          102 :   gfc_add_modify (&block, pos, fold_convert (TREE_TYPE (pos), call));
    3590              : 
    3591          102 :   gfc_add_block_to_block (&block, &post_block);
    3592          102 :   return gfc_finish_block (&block);
    3593              : }
    3594              : 
    3595              : /* Return a character string containing the tty name.  */
    3596              : 
    3597              : static void
    3598            0 : gfc_conv_intrinsic_ttynam (gfc_se * se, gfc_expr * expr)
    3599              : {
    3600            0 :   tree var;
    3601            0 :   tree len;
    3602            0 :   tree tmp;
    3603            0 :   tree cond;
    3604            0 :   tree fndecl;
    3605            0 :   tree *args;
    3606            0 :   unsigned int num_args;
    3607              : 
    3608            0 :   num_args = gfc_intrinsic_argument_list_length (expr) + 2;
    3609            0 :   args = XALLOCAVEC (tree, num_args);
    3610              : 
    3611            0 :   var = gfc_create_var (pchar_type_node, "pstr");
    3612            0 :   len = gfc_create_var (gfc_charlen_type_node, "len");
    3613              : 
    3614            0 :   gfc_conv_intrinsic_function_args (se, expr, &args[2], num_args - 2);
    3615            0 :   args[0] = gfc_build_addr_expr (NULL_TREE, var);
    3616            0 :   args[1] = gfc_build_addr_expr (NULL_TREE, len);
    3617              : 
    3618            0 :   fndecl = build_addr (gfor_fndecl_ttynam);
    3619            0 :   tmp = build_call_array_loc (input_location,
    3620            0 :                           TREE_TYPE (TREE_TYPE (gfor_fndecl_ttynam)),
    3621              :                           fndecl, num_args, args);
    3622            0 :   gfc_add_expr_to_block (&se->pre, tmp);
    3623              : 
    3624              :   /* Free the temporary afterwards, if necessary.  */
    3625            0 :   cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    3626            0 :                           len, build_int_cst (TREE_TYPE (len), 0));
    3627            0 :   tmp = gfc_call_free (var);
    3628            0 :   tmp = build3_v (COND_EXPR, cond, tmp, build_empty_stmt (input_location));
    3629            0 :   gfc_add_expr_to_block (&se->post, tmp);
    3630              : 
    3631            0 :   se->expr = var;
    3632            0 :   se->string_length = len;
    3633            0 : }
    3634              : 
    3635              : 
    3636              : /* Get the minimum/maximum value of all the parameters.
    3637              :     minmax (a1, a2, a3, ...)
    3638              :     {
    3639              :       mvar = a1;
    3640              :       mvar = COMP (mvar, a2)
    3641              :       mvar = COMP (mvar, a3)
    3642              :       ...
    3643              :       return mvar;
    3644              :     }
    3645              :     Where COMP is MIN/MAX_EXPR for integral types or when we don't
    3646              :     care about NaNs, or IFN_FMIN/MAX when the target has support for
    3647              :     fast NaN-honouring min/max.  When neither holds expand a sequence
    3648              :     of explicit comparisons.  */
    3649              : 
    3650              : /* TODO: Mismatching types can occur when specific names are used.
    3651              :    These should be handled during resolution.  */
    3652              : static void
    3653         1365 : gfc_conv_intrinsic_minmax (gfc_se * se, gfc_expr * expr, enum tree_code op)
    3654              : {
    3655         1365 :   tree tmp;
    3656         1365 :   tree mvar;
    3657         1365 :   tree val;
    3658         1365 :   tree *args;
    3659         1365 :   tree type;
    3660         1365 :   tree argtype;
    3661         1365 :   gfc_actual_arglist *argexpr;
    3662         1365 :   unsigned int i, nargs;
    3663              : 
    3664         1365 :   nargs = gfc_intrinsic_argument_list_length (expr);
    3665         1365 :   args = XALLOCAVEC (tree, nargs);
    3666              : 
    3667         1365 :   gfc_conv_intrinsic_function_args (se, expr, args, nargs);
    3668         1365 :   type = gfc_typenode_for_spec (&expr->ts);
    3669              : 
    3670              :   /* Only evaluate the argument once.  */
    3671         1365 :   if (!VAR_P (args[0]) && !TREE_CONSTANT (args[0]))
    3672          368 :     args[0] = gfc_evaluate_now (args[0], &se->pre);
    3673              : 
    3674              :   /* Determine suitable type of temporary, as a GNU extension allows
    3675              :      different argument kinds.  */
    3676         1365 :   argtype = TREE_TYPE (args[0]);
    3677         1365 :   argexpr = expr->value.function.actual;
    3678         2949 :   for (i = 1, argexpr = argexpr->next; i < nargs; i++, argexpr = argexpr->next)
    3679              :     {
    3680         1584 :       tree tmptype = TREE_TYPE (args[i]);
    3681         1584 :       if (TYPE_PRECISION (tmptype) > TYPE_PRECISION (argtype))
    3682            1 :         argtype = tmptype;
    3683              :     }
    3684         1365 :   mvar = gfc_create_var (argtype, "M");
    3685         1365 :   gfc_add_modify (&se->pre, mvar, convert (argtype, args[0]));
    3686              : 
    3687         1365 :   argexpr = expr->value.function.actual;
    3688         2949 :   for (i = 1, argexpr = argexpr->next; i < nargs; i++, argexpr = argexpr->next)
    3689              :     {
    3690         1584 :       tree cond = NULL_TREE;
    3691         1584 :       val = args[i];
    3692              : 
    3693              :       /* Handle absent optional arguments by ignoring the comparison.  */
    3694         1584 :       if (argexpr->expr->expr_type == EXPR_VARIABLE
    3695          920 :           && argexpr->expr->symtree->n.sym->attr.optional
    3696           45 :           && INDIRECT_REF_P (val))
    3697              :         {
    3698           84 :           cond = fold_build2_loc (input_location,
    3699              :                                 NE_EXPR, logical_type_node,
    3700           42 :                                 TREE_OPERAND (val, 0),
    3701           42 :                         build_int_cst (TREE_TYPE (TREE_OPERAND (val, 0)), 0));
    3702              :         }
    3703         1542 :       else if (!VAR_P (val) && !TREE_CONSTANT (val))
    3704              :         /* Only evaluate the argument once.  */
    3705          599 :         val = gfc_evaluate_now (val, &se->pre);
    3706              : 
    3707         1584 :       tree calc;
    3708              :       /* For floating point types, the question is what MAX(a, NaN) or
    3709              :          MIN(a, NaN) should return (where "a" is a normal number).
    3710              :          There are valid use case for returning either one, but the
    3711              :          Fortran standard doesn't specify which one should be chosen.
    3712              :          Also, there is no consensus among other tested compilers.  In
    3713              :          short, it's a mess.  So lets just do whatever is fastest.  */
    3714         1584 :       tree_code code = op == GT_EXPR ? MAX_EXPR : MIN_EXPR;
    3715         1584 :       calc = fold_build2_loc (input_location, code, argtype,
    3716              :                               convert (argtype, val), mvar);
    3717         1584 :       tmp = build2_v (MODIFY_EXPR, mvar, calc);
    3718              : 
    3719         1584 :       if (cond != NULL_TREE)
    3720           42 :         tmp = build3_v (COND_EXPR, cond, tmp,
    3721              :                         build_empty_stmt (input_location));
    3722         1584 :       gfc_add_expr_to_block (&se->pre, tmp);
    3723              :     }
    3724         1365 :   se->expr = convert (type, mvar);
    3725         1365 : }
    3726              : 
    3727              : 
    3728              : /* Generate library calls for MIN and MAX intrinsics for character
    3729              :    variables.  */
    3730              : static void
    3731          282 : gfc_conv_intrinsic_minmax_char (gfc_se * se, gfc_expr * expr, int op)
    3732              : {
    3733          282 :   tree *args;
    3734          282 :   tree var, len, fndecl, tmp, cond, function;
    3735          282 :   unsigned int nargs;
    3736              : 
    3737          282 :   nargs = gfc_intrinsic_argument_list_length (expr);
    3738          282 :   args = XALLOCAVEC (tree, nargs + 4);
    3739          282 :   gfc_conv_intrinsic_function_args (se, expr, &args[4], nargs);
    3740              : 
    3741              :   /* Create the result variables.  */
    3742          282 :   len = gfc_create_var (gfc_charlen_type_node, "len");
    3743          282 :   args[0] = gfc_build_addr_expr (NULL_TREE, len);
    3744          282 :   var = gfc_create_var (gfc_get_pchar_type (expr->ts.kind), "pstr");
    3745          282 :   args[1] = gfc_build_addr_expr (ppvoid_type_node, var);
    3746          282 :   args[2] = build_int_cst (integer_type_node, op);
    3747          282 :   args[3] = build_int_cst (integer_type_node, nargs / 2);
    3748              : 
    3749          282 :   if (expr->ts.kind == 1)
    3750          210 :     function = gfor_fndecl_string_minmax;
    3751           72 :   else if (expr->ts.kind == 4)
    3752           72 :     function = gfor_fndecl_string_minmax_char4;
    3753              :   else
    3754            0 :     gcc_unreachable ();
    3755              : 
    3756              :   /* Make the function call.  */
    3757          282 :   fndecl = build_addr (function);
    3758          282 :   tmp = build_call_array_loc (input_location,
    3759          282 :                           TREE_TYPE (TREE_TYPE (function)), fndecl,
    3760              :                           nargs + 4, args);
    3761          282 :   gfc_add_expr_to_block (&se->pre, tmp);
    3762              : 
    3763              :   /* Free the temporary afterwards, if necessary.  */
    3764          282 :   cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    3765          282 :                           len, build_int_cst (TREE_TYPE (len), 0));
    3766          282 :   tmp = gfc_call_free (var);
    3767          282 :   tmp = build3_v (COND_EXPR, cond, tmp, build_empty_stmt (input_location));
    3768          282 :   gfc_add_expr_to_block (&se->post, tmp);
    3769              : 
    3770          282 :   se->expr = var;
    3771          282 :   se->string_length = len;
    3772          282 : }
    3773              : 
    3774              : 
    3775              : /* Create a symbol node for this intrinsic.  The symbol from the frontend
    3776              :    has the generic name.  */
    3777              : 
    3778              : static gfc_symbol *
    3779        11343 : gfc_get_symbol_for_expr (gfc_expr * expr, bool ignore_optional)
    3780              : {
    3781        11343 :   gfc_symbol *sym;
    3782              : 
    3783              :   /* TODO: Add symbols for intrinsic function to the global namespace.  */
    3784        11343 :   gcc_assert (strlen (expr->value.function.name) <= GFC_MAX_SYMBOL_LEN - 5);
    3785        11343 :   sym = gfc_new_symbol (expr->value.function.name, NULL);
    3786              : 
    3787        11343 :   sym->ts = expr->ts;
    3788        11343 :   if (sym->ts.type == BT_CHARACTER)
    3789         1784 :     sym->ts.u.cl = gfc_new_charlen (gfc_current_ns, NULL);
    3790        11343 :   sym->attr.external = 1;
    3791        11343 :   sym->attr.function = 1;
    3792        11343 :   sym->attr.always_explicit = 1;
    3793        11343 :   sym->attr.proc = PROC_INTRINSIC;
    3794        11343 :   sym->attr.flavor = FL_PROCEDURE;
    3795        11343 :   sym->result = sym;
    3796        11343 :   if (expr->rank > 0)
    3797              :     {
    3798         9933 :       sym->attr.dimension = 1;
    3799         9933 :       sym->as = gfc_get_array_spec ();
    3800         9933 :       sym->as->type = AS_ASSUMED_SHAPE;
    3801         9933 :       sym->as->rank = expr->rank;
    3802              :     }
    3803              : 
    3804        11343 :   gfc_copy_formal_args_intr (sym, expr->value.function.isym,
    3805              :                              ignore_optional ? expr->value.function.actual
    3806              :                                              : NULL);
    3807              : 
    3808        11343 :   return sym;
    3809              : }
    3810              : 
    3811              : /* Remove empty actual arguments.  */
    3812              : 
    3813              : static void
    3814         8277 : remove_empty_actual_arguments (gfc_actual_arglist **ap)
    3815              : {
    3816        44456 :   while (*ap)
    3817              :     {
    3818        36179 :       if ((*ap)->expr == NULL)
    3819              :         {
    3820        11076 :           gfc_actual_arglist *r = *ap;
    3821        11076 :           *ap = r->next;
    3822        11076 :           r->next = NULL;
    3823        11076 :           gfc_free_actual_arglist (r);
    3824              :         }
    3825              :       else
    3826        25103 :         ap = &((*ap)->next);
    3827              :     }
    3828         8277 : }
    3829              : 
    3830              : #define MAX_SPEC_ARG 12
    3831              : 
    3832              : /* Make up an fn spec that's right for intrinsic functions that we
    3833              :    want to call.  */
    3834              : 
    3835              : static char *
    3836         1939 : intrinsic_fnspec (gfc_expr *expr)
    3837              : {
    3838         1939 :   static char fnspec_buf[MAX_SPEC_ARG*2+1];
    3839         1939 :   char *fp;
    3840         1939 :   int i;
    3841         1939 :   int num_char_args;
    3842              : 
    3843              : #define ADD_CHAR(c) do { *fp++ = c; *fp++ = ' '; } while(0)
    3844              : 
    3845              :   /* Set the fndecl.  */
    3846         1939 :   fp = fnspec_buf;
    3847              :   /* Function return value.  FIXME: Check if the second letter could
    3848              :      be something other than a space, for further optimization.  */
    3849         1939 :   ADD_CHAR ('.');
    3850         1939 :   if (expr->rank == 0)
    3851              :     {
    3852          238 :       if (expr->ts.type == BT_CHARACTER)
    3853              :         {
    3854           84 :           ADD_CHAR ('w');  /* Address of character.  */
    3855           84 :           ADD_CHAR ('.');  /* Length of character.  */
    3856              :         }
    3857              :     }
    3858              :   else
    3859         1701 :     ADD_CHAR ('w');  /* Return value is a descriptor.  */
    3860              : 
    3861         1939 :   num_char_args = 0;
    3862        10224 :   for (gfc_actual_arglist *a = expr->value.function.actual; a; a = a->next)
    3863              :     {
    3864         8285 :       if (a->expr == NULL)
    3865         2565 :         continue;
    3866              : 
    3867         5720 :       if (a->name && strcmp (a->name,"%VAL") == 0)
    3868         1300 :         ADD_CHAR ('.');
    3869              :       else
    3870              :         {
    3871         4420 :           if (a->expr->rank > 0)
    3872         2575 :             ADD_CHAR ('r');
    3873              :           else
    3874         1845 :             ADD_CHAR ('R');
    3875              :         }
    3876         5720 :       num_char_args += a->expr->ts.type == BT_CHARACTER;
    3877         5720 :       gcc_assert (fp - fnspec_buf + num_char_args <= MAX_SPEC_ARG*2);
    3878              :     }
    3879              : 
    3880         2743 :   for (i = 0; i < num_char_args; i++)
    3881          804 :     ADD_CHAR ('.');
    3882              : 
    3883         1939 :   *fp = '\0';
    3884         1939 :   return fnspec_buf;
    3885              : }
    3886              : 
    3887              : #undef MAX_SPEC_ARG
    3888              : #undef ADD_CHAR
    3889              : 
    3890              : /* Generate the right symbol for the specific intrinsic function and
    3891              :  modify the expr accordingly.  This assumes that absent optional
    3892              :  arguments should be removed.  */
    3893              : 
    3894              : gfc_symbol *
    3895         8277 : specific_intrinsic_symbol (gfc_expr *expr)
    3896              : {
    3897         8277 :   gfc_symbol *sym;
    3898              : 
    3899         8277 :   sym = gfc_find_intrinsic_symbol (expr);
    3900         8277 :   if (sym == NULL)
    3901              :     {
    3902         1939 :       sym = gfc_get_intrinsic_function_symbol (expr);
    3903         1939 :       sym->ts = expr->ts;
    3904         1939 :       if (sym->ts.type == BT_CHARACTER && sym->ts.u.cl)
    3905          240 :         sym->ts.u.cl = gfc_new_charlen (sym->ns, NULL);
    3906              : 
    3907         1939 :       gfc_copy_formal_args_intr (sym, expr->value.function.isym,
    3908              :                                  expr->value.function.actual, true);
    3909         1939 :       sym->backend_decl
    3910         1939 :         = gfc_get_extern_function_decl (sym, expr->value.function.actual,
    3911         1939 :                                         intrinsic_fnspec (expr));
    3912              :     }
    3913              : 
    3914         8277 :   remove_empty_actual_arguments (&(expr->value.function.actual));
    3915              : 
    3916         8277 :   return sym;
    3917              : }
    3918              : 
    3919              : /* Generate a call to an external intrinsic function.  FIXME: So far,
    3920              :    this only works for functions which are called with well-defined
    3921              :    types; CSHIFT and friends will come later.  */
    3922              : 
    3923              : static void
    3924        13741 : gfc_conv_intrinsic_funcall (gfc_se * se, gfc_expr * expr)
    3925              : {
    3926        13741 :   gfc_symbol *sym;
    3927        13741 :   vec<tree, va_gc> *append_args;
    3928        13741 :   bool specific_symbol;
    3929              : 
    3930        13741 :   gcc_assert (!se->ss || se->ss->info->expr == expr);
    3931              : 
    3932        13741 :   if (se->ss)
    3933        11769 :     gcc_assert (expr->rank > 0);
    3934              :   else
    3935         1972 :     gcc_assert (expr->rank == 0);
    3936              : 
    3937        13741 :   switch (expr->value.function.isym->id)
    3938              :     {
    3939              :     case GFC_ISYM_ANY:
    3940              :     case GFC_ISYM_ALL:
    3941              :     case GFC_ISYM_FINDLOC:
    3942              :     case GFC_ISYM_MAXLOC:
    3943              :     case GFC_ISYM_MINLOC:
    3944              :     case GFC_ISYM_MAXVAL:
    3945              :     case GFC_ISYM_MINVAL:
    3946              :     case GFC_ISYM_NORM2:
    3947              :     case GFC_ISYM_PRODUCT:
    3948              :     case GFC_ISYM_SUM:
    3949              :       specific_symbol = true;
    3950              :       break;
    3951         5464 :     default:
    3952         5464 :       specific_symbol = false;
    3953              :     }
    3954              : 
    3955        13741 :   if (specific_symbol)
    3956              :     {
    3957              :       /* Need to copy here because specific_intrinsic_symbol modifies
    3958              :          expr to omit the absent optional arguments.  */
    3959         8277 :       expr = gfc_copy_expr (expr);
    3960         8277 :       sym = specific_intrinsic_symbol (expr);
    3961              :     }
    3962              :   else
    3963         5464 :     sym = gfc_get_symbol_for_expr (expr, se->ignore_optional);
    3964              : 
    3965              :   /* Calls to libgfortran_matmul need to be appended special arguments,
    3966              :      to be able to call the BLAS ?gemm functions if required and possible.  */
    3967        13741 :   append_args = NULL;
    3968        13741 :   if (expr->value.function.isym->id == GFC_ISYM_MATMUL
    3969          860 :       && !expr->external_blas
    3970          822 :       && sym->ts.type != BT_LOGICAL)
    3971              :     {
    3972          806 :       tree cint = gfc_get_int_type (gfc_c_int_kind);
    3973              : 
    3974          806 :       if (flag_external_blas
    3975            0 :           && (sym->ts.type == BT_REAL || sym->ts.type == BT_COMPLEX)
    3976            0 :           && (sym->ts.kind == 4 || sym->ts.kind == 8))
    3977              :         {
    3978            0 :           tree gemm_fndecl;
    3979              : 
    3980            0 :           if (sym->ts.type == BT_REAL)
    3981              :             {
    3982            0 :               if (sym->ts.kind == 4)
    3983            0 :                 gemm_fndecl = gfor_fndecl_sgemm;
    3984              :               else
    3985            0 :                 gemm_fndecl = gfor_fndecl_dgemm;
    3986              :             }
    3987              :           else
    3988              :             {
    3989            0 :               if (sym->ts.kind == 4)
    3990            0 :                 gemm_fndecl = gfor_fndecl_cgemm;
    3991              :               else
    3992            0 :                 gemm_fndecl = gfor_fndecl_zgemm;
    3993              :             }
    3994              : 
    3995            0 :           vec_alloc (append_args, 3);
    3996            0 :           append_args->quick_push (build_int_cst (cint, 1));
    3997            0 :           append_args->quick_push (build_int_cst (cint,
    3998            0 :                                                   flag_blas_matmul_limit));
    3999            0 :           append_args->quick_push (gfc_build_addr_expr (NULL_TREE,
    4000              :                                                         gemm_fndecl));
    4001            0 :         }
    4002              :       else
    4003              :         {
    4004          806 :           vec_alloc (append_args, 3);
    4005          806 :           append_args->quick_push (build_int_cst (cint, 0));
    4006          806 :           append_args->quick_push (build_int_cst (cint, 0));
    4007          806 :           append_args->quick_push (null_pointer_node);
    4008              :         }
    4009              :     }
    4010              :   /* Non-character scalar reduce returns a pointer to a result of size set by
    4011              :      the element size of 'array'. Setting 'sym' allocatable ensures that the
    4012              :      result is deallocated at the appropriate time.  */
    4013        12935 :   else if (expr->value.function.isym->id == GFC_ISYM_REDUCE
    4014          108 :       && expr->rank == 0 && expr->ts.type != BT_CHARACTER)
    4015          102 :     sym->attr.allocatable = 1;
    4016              : 
    4017              : 
    4018        13741 :   gfc_conv_procedure_call (se, sym, expr->value.function.actual, expr,
    4019              :                           append_args);
    4020              : 
    4021        13741 :   if (specific_symbol)
    4022         8277 :     gfc_free_expr (expr);
    4023              :   else
    4024         5464 :     gfc_free_symbol (sym);
    4025        13741 : }
    4026              : 
    4027              : /* ANY and ALL intrinsics. ANY->op == NE_EXPR, ALL->op == EQ_EXPR.
    4028              :    Implemented as
    4029              :     any(a)
    4030              :     {
    4031              :       forall (i=...)
    4032              :         if (a[i] != 0)
    4033              :           return 1
    4034              :       end forall
    4035              :       return 0
    4036              :     }
    4037              :     all(a)
    4038              :     {
    4039              :       forall (i=...)
    4040              :         if (a[i] == 0)
    4041              :           return 0
    4042              :       end forall
    4043              :       return 1
    4044              :     }
    4045              :  */
    4046              : static void
    4047        39094 : gfc_conv_intrinsic_anyall (gfc_se * se, gfc_expr * expr, enum tree_code op)
    4048              : {
    4049        39094 :   tree resvar;
    4050        39094 :   stmtblock_t block;
    4051        39094 :   stmtblock_t body;
    4052        39094 :   tree type;
    4053        39094 :   tree tmp;
    4054        39094 :   tree found;
    4055        39094 :   gfc_loopinfo loop;
    4056        39094 :   gfc_actual_arglist *actual;
    4057        39094 :   gfc_ss *arrayss;
    4058        39094 :   gfc_se arrayse;
    4059        39094 :   tree exit_label;
    4060              : 
    4061        39094 :   if (se->ss)
    4062              :     {
    4063            0 :       gfc_conv_intrinsic_funcall (se, expr);
    4064            0 :       return;
    4065              :     }
    4066              : 
    4067        39094 :   actual = expr->value.function.actual;
    4068        39094 :   type = gfc_typenode_for_spec (&expr->ts);
    4069              :   /* Initialize the result.  */
    4070        39094 :   resvar = gfc_create_var (type, "test");
    4071        39094 :   if (op == EQ_EXPR)
    4072          432 :     tmp = convert (type, boolean_true_node);
    4073              :   else
    4074        38662 :     tmp = convert (type, boolean_false_node);
    4075        39094 :   gfc_add_modify (&se->pre, resvar, tmp);
    4076              : 
    4077              :   /* Walk the arguments.  */
    4078        39094 :   arrayss = gfc_walk_expr (actual->expr);
    4079        39094 :   gcc_assert (arrayss != gfc_ss_terminator);
    4080              : 
    4081              :   /* Initialize the scalarizer.  */
    4082        39094 :   gfc_init_loopinfo (&loop);
    4083        39094 :   exit_label = gfc_build_label_decl (NULL_TREE);
    4084        39094 :   TREE_USED (exit_label) = 1;
    4085        39094 :   gfc_add_ss_to_loop (&loop, arrayss);
    4086              : 
    4087              :   /* Initialize the loop.  */
    4088        39094 :   gfc_conv_ss_startstride (&loop);
    4089        39094 :   gfc_conv_loop_setup (&loop, &expr->where);
    4090              : 
    4091        39094 :   gfc_mark_ss_chain_used (arrayss, 1);
    4092              :   /* Generate the loop body.  */
    4093        39094 :   gfc_start_scalarized_body (&loop, &body);
    4094              : 
    4095              :   /* If the condition matches then set the return value.  */
    4096        39094 :   gfc_start_block (&block);
    4097        39094 :   if (op == EQ_EXPR)
    4098          432 :     tmp = convert (type, boolean_false_node);
    4099              :   else
    4100        38662 :     tmp = convert (type, boolean_true_node);
    4101        39094 :   gfc_add_modify (&block, resvar, tmp);
    4102              : 
    4103              :   /* And break out of the loop.  */
    4104        39094 :   tmp = build1_v (GOTO_EXPR, exit_label);
    4105        39094 :   gfc_add_expr_to_block (&block, tmp);
    4106              : 
    4107        39094 :   found = gfc_finish_block (&block);
    4108              : 
    4109              :   /* Check this element.  */
    4110        39094 :   gfc_init_se (&arrayse, NULL);
    4111        39094 :   gfc_copy_loopinfo_to_se (&arrayse, &loop);
    4112        39094 :   arrayse.ss = arrayss;
    4113        39094 :   gfc_conv_expr_val (&arrayse, actual->expr);
    4114              : 
    4115        39094 :   gfc_add_block_to_block (&body, &arrayse.pre);
    4116        39094 :   tmp = fold_build2_loc (input_location, op, logical_type_node, arrayse.expr,
    4117        39094 :                          build_int_cst (TREE_TYPE (arrayse.expr), 0));
    4118        39094 :   tmp = build3_v (COND_EXPR, tmp, found, build_empty_stmt (input_location));
    4119        39094 :   gfc_add_expr_to_block (&body, tmp);
    4120        39094 :   gfc_add_block_to_block (&body, &arrayse.post);
    4121              : 
    4122        39094 :   gfc_trans_scalarizing_loops (&loop, &body);
    4123              : 
    4124              :   /* Add the exit label.  */
    4125        39094 :   tmp = build1_v (LABEL_EXPR, exit_label);
    4126        39094 :   gfc_add_expr_to_block (&loop.pre, tmp);
    4127              : 
    4128        39094 :   gfc_add_block_to_block (&se->pre, &loop.pre);
    4129        39094 :   gfc_add_block_to_block (&se->pre, &loop.post);
    4130        39094 :   gfc_cleanup_loop (&loop);
    4131              : 
    4132        39094 :   se->expr = resvar;
    4133              : }
    4134              : 
    4135              : 
    4136              : /* Generate the constant 180 / pi, which is used in the conversion
    4137              :    of acosd(), asind(), atand(), atan2d().  */
    4138              : 
    4139              : static tree
    4140          408 : rad2deg (int kind)
    4141              : {
    4142          408 :   tree retval;
    4143          408 :   mpfr_t pi, t0;
    4144              : 
    4145          408 :   gfc_set_model_kind (kind);
    4146          408 :   mpfr_init (pi);
    4147          408 :   mpfr_init (t0);
    4148          408 :   mpfr_set_si (t0, 180, GFC_RND_MODE);
    4149          408 :   mpfr_const_pi (pi, GFC_RND_MODE);
    4150          408 :   mpfr_div (t0, t0, pi, GFC_RND_MODE);
    4151          408 :   retval = gfc_conv_mpfr_to_tree (t0, kind, 0);
    4152          408 :   mpfr_clear (t0);
    4153          408 :   mpfr_clear (pi);
    4154          408 :   return retval;
    4155              : }
    4156              : 
    4157              : 
    4158              : static gfc_intrinsic_map_t *
    4159          618 : gfc_lookup_intrinsic (gfc_isym_id id)
    4160              : {
    4161          618 :   gfc_intrinsic_map_t *m = gfc_intrinsic_map;
    4162        11514 :   for (; m->id != GFC_ISYM_NONE || m->double_built_in != END_BUILTINS; m++)
    4163        11514 :     if (id == m->id)
    4164              :       break;
    4165          618 :   gcc_assert (id == m->id);
    4166          618 :   return m;
    4167              : }
    4168              : 
    4169              : 
    4170              : /* ACOSD(x) is translated into ACOS(x) * 180 / pi.
    4171              :    ASIND(x) is translated into ASIN(x) * 180 / pi.
    4172              :    ATAND(x) is translated into ATAN(x) * 180 / pi.  */
    4173              : 
    4174              : static void
    4175          270 : gfc_conv_intrinsic_atrigd (gfc_se * se, gfc_expr * expr, gfc_isym_id id)
    4176              : {
    4177          270 :   tree arg;
    4178          270 :   tree atrigd;
    4179          270 :   tree type;
    4180          270 :   gfc_intrinsic_map_t *m;
    4181              : 
    4182          270 :   type = gfc_typenode_for_spec (&expr->ts);
    4183              : 
    4184          270 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    4185              : 
    4186          270 :   switch (id)
    4187              :     {
    4188           90 :     case GFC_ISYM_ACOSD:
    4189           90 :       m = gfc_lookup_intrinsic (GFC_ISYM_ACOS);
    4190           90 :       break;
    4191           90 :     case GFC_ISYM_ASIND:
    4192           90 :       m = gfc_lookup_intrinsic (GFC_ISYM_ASIN);
    4193           90 :       break;
    4194           90 :     case GFC_ISYM_ATAND:
    4195           90 :       m = gfc_lookup_intrinsic (GFC_ISYM_ATAN);
    4196           90 :       break;
    4197            0 :     default:
    4198            0 :       gcc_unreachable ();
    4199              :     }
    4200          270 :   atrigd = gfc_get_intrinsic_lib_fndecl (m, expr);
    4201          270 :   atrigd = build_call_expr_loc (input_location, atrigd, 1, arg);
    4202              : 
    4203          270 :   se->expr = fold_build2_loc (input_location, MULT_EXPR, type, atrigd,
    4204              :                               fold_convert (type, rad2deg (expr->ts.kind)));
    4205          270 : }
    4206              : 
    4207              : 
    4208              : /* COTAN(X) is translated into -TAN(X+PI/2) for REAL argument and
    4209              :    COS(X) / SIN(X) for COMPLEX argument.  */
    4210              : 
    4211              : static void
    4212          102 : gfc_conv_intrinsic_cotan (gfc_se *se, gfc_expr *expr)
    4213              : {
    4214          102 :   gfc_intrinsic_map_t *m;
    4215          102 :   tree arg;
    4216          102 :   tree type;
    4217              : 
    4218          102 :   type = gfc_typenode_for_spec (&expr->ts);
    4219          102 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    4220              : 
    4221          102 :   if (expr->ts.type == BT_REAL)
    4222              :     {
    4223          102 :       tree tan;
    4224          102 :       tree tmp;
    4225          102 :       mpfr_t pio2;
    4226              : 
    4227              :       /* Create pi/2.  */
    4228          102 :       gfc_set_model_kind (expr->ts.kind);
    4229          102 :       mpfr_init (pio2);
    4230          102 :       mpfr_const_pi (pio2, GFC_RND_MODE);
    4231          102 :       mpfr_div_ui (pio2, pio2, 2, GFC_RND_MODE);
    4232          102 :       tmp = gfc_conv_mpfr_to_tree (pio2, expr->ts.kind, 0);
    4233          102 :       mpfr_clear (pio2);
    4234              : 
    4235              :       /* Find tan builtin function.  */
    4236          102 :       m = gfc_lookup_intrinsic (GFC_ISYM_TAN);
    4237          102 :       tan = gfc_get_intrinsic_lib_fndecl (m, expr);
    4238          102 :       tmp = fold_build2_loc (input_location, PLUS_EXPR, type, arg, tmp);
    4239          102 :       tan = build_call_expr_loc (input_location, tan, 1, tmp);
    4240          102 :       se->expr = fold_build1_loc (input_location, NEGATE_EXPR, type, tan);
    4241              :     }
    4242              :   else
    4243              :     {
    4244            0 :       tree sin;
    4245            0 :       tree cos;
    4246              : 
    4247              :       /* Find cos builtin function.  */
    4248            0 :       m = gfc_lookup_intrinsic (GFC_ISYM_COS);
    4249            0 :       cos = gfc_get_intrinsic_lib_fndecl (m, expr);
    4250            0 :       cos = build_call_expr_loc (input_location, cos, 1, arg);
    4251              : 
    4252              :       /* Find sin builtin function.  */
    4253            0 :       m = gfc_lookup_intrinsic (GFC_ISYM_SIN);
    4254            0 :       sin = gfc_get_intrinsic_lib_fndecl (m, expr);
    4255            0 :       sin = build_call_expr_loc (input_location, sin, 1, arg);
    4256              : 
    4257              :       /* Divide cos by sin. */
    4258            0 :       se->expr = fold_build2_loc (input_location, RDIV_EXPR, type, cos, sin);
    4259              :    }
    4260          102 : }
    4261              : 
    4262              : 
    4263              : /* COTAND(X) is translated into -TAND(X+90) for REAL argument.  */
    4264              : 
    4265              : static void
    4266          108 : gfc_conv_intrinsic_cotand (gfc_se *se, gfc_expr *expr)
    4267              : {
    4268          108 :   tree arg;
    4269          108 :   tree type;
    4270          108 :   tree ninety_tree;
    4271          108 :   mpfr_t ninety;
    4272              : 
    4273          108 :   type = gfc_typenode_for_spec (&expr->ts);
    4274          108 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    4275              : 
    4276          108 :   gfc_set_model_kind (expr->ts.kind);
    4277              : 
    4278              :   /* Build the tree for x + 90.  */
    4279          108 :   mpfr_init_set_ui (ninety, 90, GFC_RND_MODE);
    4280          108 :   ninety_tree = gfc_conv_mpfr_to_tree (ninety, expr->ts.kind, 0);
    4281          108 :   arg = fold_build2_loc (input_location, PLUS_EXPR, type, arg, ninety_tree);
    4282          108 :   mpfr_clear (ninety);
    4283              : 
    4284              :   /* Find tand.  */
    4285          108 :   gfc_intrinsic_map_t *m = gfc_lookup_intrinsic (GFC_ISYM_TAND);
    4286          108 :   tree tand = gfc_get_intrinsic_lib_fndecl (m, expr);
    4287          108 :   tand = build_call_expr_loc (input_location, tand, 1, arg);
    4288              : 
    4289          108 :   se->expr = fold_build1_loc (input_location, NEGATE_EXPR, type, tand);
    4290          108 : }
    4291              : 
    4292              : 
    4293              : /* ATAN2D(Y,X) is translated into ATAN2(Y,X) * 180 / PI. */
    4294              : 
    4295              : static void
    4296          138 : gfc_conv_intrinsic_atan2d (gfc_se *se, gfc_expr *expr)
    4297              : {
    4298          138 :   tree args[2];
    4299          138 :   tree atan2d;
    4300          138 :   tree type;
    4301              : 
    4302          138 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    4303          138 :   type = TREE_TYPE (args[0]);
    4304              : 
    4305          138 :   gfc_intrinsic_map_t *m = gfc_lookup_intrinsic (GFC_ISYM_ATAN2);
    4306          138 :   atan2d = gfc_get_intrinsic_lib_fndecl (m, expr);
    4307          138 :   atan2d = build_call_expr_loc (input_location, atan2d, 2, args[0], args[1]);
    4308              : 
    4309          138 :   se->expr = fold_build2_loc (input_location, MULT_EXPR, type, atan2d,
    4310              :                               rad2deg (expr->ts.kind));
    4311          138 : }
    4312              : 
    4313              : 
    4314              : /* COUNT(A) = Number of true elements in A.  */
    4315              : static void
    4316          143 : gfc_conv_intrinsic_count (gfc_se * se, gfc_expr * expr)
    4317              : {
    4318          143 :   tree resvar;
    4319          143 :   tree type;
    4320          143 :   stmtblock_t body;
    4321          143 :   tree tmp;
    4322          143 :   gfc_loopinfo loop;
    4323          143 :   gfc_actual_arglist *actual;
    4324          143 :   gfc_ss *arrayss;
    4325          143 :   gfc_se arrayse;
    4326              : 
    4327          143 :   if (se->ss)
    4328              :     {
    4329            0 :       gfc_conv_intrinsic_funcall (se, expr);
    4330            0 :       return;
    4331              :     }
    4332              : 
    4333          143 :   actual = expr->value.function.actual;
    4334              : 
    4335          143 :   type = gfc_typenode_for_spec (&expr->ts);
    4336              :   /* Initialize the result.  */
    4337          143 :   resvar = gfc_create_var (type, "count");
    4338          143 :   gfc_add_modify (&se->pre, resvar, build_int_cst (type, 0));
    4339              : 
    4340              :   /* Walk the arguments.  */
    4341          143 :   arrayss = gfc_walk_expr (actual->expr);
    4342          143 :   gcc_assert (arrayss != gfc_ss_terminator);
    4343              : 
    4344              :   /* Initialize the scalarizer.  */
    4345          143 :   gfc_init_loopinfo (&loop);
    4346          143 :   gfc_add_ss_to_loop (&loop, arrayss);
    4347              : 
    4348              :   /* Initialize the loop.  */
    4349          143 :   gfc_conv_ss_startstride (&loop);
    4350          143 :   gfc_conv_loop_setup (&loop, &expr->where);
    4351              : 
    4352          143 :   gfc_mark_ss_chain_used (arrayss, 1);
    4353              :   /* Generate the loop body.  */
    4354          143 :   gfc_start_scalarized_body (&loop, &body);
    4355              : 
    4356          143 :   tmp = fold_build2_loc (input_location, PLUS_EXPR, TREE_TYPE (resvar),
    4357          143 :                          resvar, build_int_cst (TREE_TYPE (resvar), 1));
    4358          143 :   tmp = build2_v (MODIFY_EXPR, resvar, tmp);
    4359              : 
    4360          143 :   gfc_init_se (&arrayse, NULL);
    4361          143 :   gfc_copy_loopinfo_to_se (&arrayse, &loop);
    4362          143 :   arrayse.ss = arrayss;
    4363          143 :   gfc_conv_expr_val (&arrayse, actual->expr);
    4364          143 :   tmp = build3_v (COND_EXPR, arrayse.expr, tmp,
    4365              :                   build_empty_stmt (input_location));
    4366              : 
    4367          143 :   gfc_add_block_to_block (&body, &arrayse.pre);
    4368          143 :   gfc_add_expr_to_block (&body, tmp);
    4369          143 :   gfc_add_block_to_block (&body, &arrayse.post);
    4370              : 
    4371          143 :   gfc_trans_scalarizing_loops (&loop, &body);
    4372              : 
    4373          143 :   gfc_add_block_to_block (&se->pre, &loop.pre);
    4374          143 :   gfc_add_block_to_block (&se->pre, &loop.post);
    4375          143 :   gfc_cleanup_loop (&loop);
    4376              : 
    4377          143 :   se->expr = resvar;
    4378              : }
    4379              : 
    4380              : 
    4381              : /* Update given gfc_se to have ss component pointing to the nested gfc_ss
    4382              :    struct and return the corresponding loopinfo.  */
    4383              : 
    4384              : static gfc_loopinfo *
    4385         3374 : enter_nested_loop (gfc_se *se)
    4386              : {
    4387         3374 :   se->ss = se->ss->nested_ss;
    4388         3374 :   gcc_assert (se->ss == se->ss->loop->ss);
    4389              : 
    4390         3374 :   return se->ss->loop;
    4391              : }
    4392              : 
    4393              : /* Build the condition for a mask, which may be optional.  */
    4394              : 
    4395              : static tree
    4396        12763 : conv_mask_condition (gfc_se *maskse, gfc_expr *maskexpr,
    4397              :                          bool optional_mask)
    4398              : {
    4399        12763 :   tree present;
    4400        12763 :   tree type;
    4401              : 
    4402        12763 :   if (optional_mask)
    4403              :     {
    4404          206 :       type = TREE_TYPE (maskse->expr);
    4405          206 :       present = gfc_conv_expr_present (maskexpr->symtree->n.sym);
    4406          206 :       present = convert (type, present);
    4407          206 :       present = fold_build1_loc (input_location, TRUTH_NOT_EXPR, type,
    4408              :                                  present);
    4409          206 :       return fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    4410          206 :                               type, present, maskse->expr);
    4411              :     }
    4412              :   else
    4413        12557 :     return maskse->expr;
    4414              : }
    4415              : 
    4416              : /* Inline implementation of the sum and product intrinsics.  */
    4417              : static void
    4418         2521 : gfc_conv_intrinsic_arith (gfc_se * se, gfc_expr * expr, enum tree_code op,
    4419              :                           bool norm2)
    4420              : {
    4421         2521 :   tree resvar;
    4422         2521 :   tree scale = NULL_TREE;
    4423         2521 :   tree type;
    4424         2521 :   stmtblock_t body;
    4425         2521 :   stmtblock_t block;
    4426         2521 :   tree tmp;
    4427         2521 :   gfc_loopinfo loop, *ploop;
    4428         2521 :   gfc_actual_arglist *arg_array, *arg_mask;
    4429         2521 :   gfc_ss *arrayss = NULL;
    4430         2521 :   gfc_ss *maskss = NULL;
    4431         2521 :   gfc_se arrayse;
    4432         2521 :   gfc_se maskse;
    4433         2521 :   gfc_se *parent_se;
    4434         2521 :   gfc_expr *arrayexpr;
    4435         2521 :   gfc_expr *maskexpr;
    4436         2521 :   bool optional_mask;
    4437              : 
    4438         2521 :   if (expr->rank > 0)
    4439              :     {
    4440          578 :       gcc_assert (gfc_inline_intrinsic_function_p (expr));
    4441              :       parent_se = se;
    4442              :     }
    4443              :   else
    4444              :     parent_se = NULL;
    4445              : 
    4446         2521 :   type = gfc_typenode_for_spec (&expr->ts);
    4447              :   /* Initialize the result.  */
    4448         2521 :   resvar = gfc_create_var (type, "val");
    4449         2521 :   if (norm2)
    4450              :     {
    4451              :       /* result = 0.0;
    4452              :          scale = 1.0.  */
    4453           68 :       scale = gfc_create_var (type, "scale");
    4454           68 :       gfc_add_modify (&se->pre, scale,
    4455              :                       gfc_build_const (type, integer_one_node));
    4456           68 :       tmp = gfc_build_const (type, integer_zero_node);
    4457              :     }
    4458         2453 :   else if (op == PLUS_EXPR || op == BIT_IOR_EXPR || op == BIT_XOR_EXPR)
    4459         2035 :     tmp = gfc_build_const (type, integer_zero_node);
    4460          418 :   else if (op == NE_EXPR)
    4461              :     /* PARITY.  */
    4462           36 :     tmp = convert (type, boolean_false_node);
    4463          382 :   else if (op == BIT_AND_EXPR)
    4464           24 :     tmp = gfc_build_const (type, fold_build1_loc (input_location, NEGATE_EXPR,
    4465              :                                                   type, integer_one_node));
    4466              :   else
    4467          358 :     tmp = gfc_build_const (type, integer_one_node);
    4468              : 
    4469         2521 :   gfc_add_modify (&se->pre, resvar, tmp);
    4470              : 
    4471         2521 :   arg_array = expr->value.function.actual;
    4472              : 
    4473         2521 :   arrayexpr = arg_array->expr;
    4474              : 
    4475         2521 :   if (op == NE_EXPR || norm2)
    4476              :     {
    4477              :       /* PARITY and NORM2.  */
    4478              :       maskexpr = NULL;
    4479              :       optional_mask = false;
    4480              :     }
    4481              :   else
    4482              :     {
    4483         2417 :       arg_mask  = arg_array->next->next;
    4484         2417 :       gcc_assert (arg_mask != NULL);
    4485         2417 :       maskexpr = arg_mask->expr;
    4486          371 :       optional_mask = maskexpr && maskexpr->expr_type == EXPR_VARIABLE
    4487          266 :         && maskexpr->symtree->n.sym->attr.dummy
    4488         2435 :         && maskexpr->symtree->n.sym->attr.optional;
    4489              :     }
    4490              : 
    4491         2521 :   if (expr->rank == 0)
    4492              :     {
    4493              :       /* Walk the arguments.  */
    4494         1943 :       arrayss = gfc_walk_expr (arrayexpr);
    4495         1943 :       gcc_assert (arrayss != gfc_ss_terminator);
    4496              : 
    4497         1943 :       if (maskexpr && maskexpr->rank > 0)
    4498              :         {
    4499          223 :           maskss = gfc_walk_expr (maskexpr);
    4500          223 :           gcc_assert (maskss != gfc_ss_terminator);
    4501              :         }
    4502              :       else
    4503              :         maskss = NULL;
    4504              : 
    4505              :       /* Initialize the scalarizer.  */
    4506         1943 :       gfc_init_loopinfo (&loop);
    4507              : 
    4508              :       /* We add the mask first because the number of iterations is
    4509              :          taken from the last ss, and this breaks if an absent
    4510              :          optional argument is used for mask.  */
    4511              : 
    4512         1943 :       if (maskexpr && maskexpr->rank > 0)
    4513          223 :         gfc_add_ss_to_loop (&loop, maskss);
    4514         1943 :       gfc_add_ss_to_loop (&loop, arrayss);
    4515              : 
    4516              :       /* Initialize the loop.  */
    4517         1943 :       gfc_conv_ss_startstride (&loop);
    4518         1943 :       gfc_conv_loop_setup (&loop, &expr->where);
    4519              : 
    4520         1943 :       if (maskexpr && maskexpr->rank > 0)
    4521          223 :         gfc_mark_ss_chain_used (maskss, 1);
    4522         1943 :       gfc_mark_ss_chain_used (arrayss, 1);
    4523              : 
    4524         1943 :       ploop = &loop;
    4525              :     }
    4526              :   else
    4527              :     /* All the work has been done in the parent loops.  */
    4528          578 :     ploop = enter_nested_loop (se);
    4529              : 
    4530         2521 :   gcc_assert (ploop);
    4531              : 
    4532              :   /* Generate the loop body.  */
    4533         2521 :   gfc_start_scalarized_body (ploop, &body);
    4534              : 
    4535              :   /* If we have a mask, only add this element if the mask is set.  */
    4536         2521 :   if (maskexpr && maskexpr->rank > 0)
    4537              :     {
    4538          307 :       gfc_init_se (&maskse, parent_se);
    4539          307 :       gfc_copy_loopinfo_to_se (&maskse, ploop);
    4540          307 :       if (expr->rank == 0)
    4541          223 :         maskse.ss = maskss;
    4542          307 :       gfc_conv_expr_val (&maskse, maskexpr);
    4543          307 :       gfc_add_block_to_block (&body, &maskse.pre);
    4544              : 
    4545          307 :       gfc_start_block (&block);
    4546              :     }
    4547              :   else
    4548         2214 :     gfc_init_block (&block);
    4549              : 
    4550              :   /* Do the actual summation/product.  */
    4551         2521 :   gfc_init_se (&arrayse, parent_se);
    4552         2521 :   gfc_copy_loopinfo_to_se (&arrayse, ploop);
    4553         2521 :   if (expr->rank == 0)
    4554         1943 :     arrayse.ss = arrayss;
    4555         2521 :   gfc_conv_expr_val (&arrayse, arrayexpr);
    4556         2521 :   gfc_add_block_to_block (&block, &arrayse.pre);
    4557              : 
    4558         2521 :   if (norm2)
    4559              :     {
    4560              :       /* if (x (i) != 0.0)
    4561              :            {
    4562              :              absX = abs(x(i))
    4563              :              if (absX > scale)
    4564              :                {
    4565              :                  val = scale/absX;
    4566              :                  result = 1.0 + result * val * val;
    4567              :                  scale = absX;
    4568              :                }
    4569              :              else
    4570              :                {
    4571              :                  val = absX/scale;
    4572              :                  result += val * val;
    4573              :                }
    4574              :            }  */
    4575           68 :       tree res1, res2, cond, absX, val;
    4576           68 :       stmtblock_t ifblock1, ifblock2, ifblock3;
    4577              : 
    4578           68 :       gfc_init_block (&ifblock1);
    4579              : 
    4580           68 :       absX = gfc_create_var (type, "absX");
    4581           68 :       gfc_add_modify (&ifblock1, absX,
    4582              :                       fold_build1_loc (input_location, ABS_EXPR, type,
    4583              :                                        arrayse.expr));
    4584           68 :       val = gfc_create_var (type, "val");
    4585           68 :       gfc_add_expr_to_block (&ifblock1, val);
    4586              : 
    4587           68 :       gfc_init_block (&ifblock2);
    4588           68 :       gfc_add_modify (&ifblock2, val,
    4589              :                       fold_build2_loc (input_location, RDIV_EXPR, type, scale,
    4590              :                                        absX));
    4591           68 :       res1 = fold_build2_loc (input_location, MULT_EXPR, type, val, val);
    4592           68 :       res1 = fold_build2_loc (input_location, MULT_EXPR, type, resvar, res1);
    4593           68 :       res1 = fold_build2_loc (input_location, PLUS_EXPR, type, res1,
    4594              :                               gfc_build_const (type, integer_one_node));
    4595           68 :       gfc_add_modify (&ifblock2, resvar, res1);
    4596           68 :       gfc_add_modify (&ifblock2, scale, absX);
    4597           68 :       res1 = gfc_finish_block (&ifblock2);
    4598              : 
    4599           68 :       gfc_init_block (&ifblock3);
    4600           68 :       gfc_add_modify (&ifblock3, val,
    4601              :                       fold_build2_loc (input_location, RDIV_EXPR, type, absX,
    4602              :                                        scale));
    4603           68 :       res2 = fold_build2_loc (input_location, MULT_EXPR, type, val, val);
    4604           68 :       res2 = fold_build2_loc (input_location, PLUS_EXPR, type, resvar, res2);
    4605           68 :       gfc_add_modify (&ifblock3, resvar, res2);
    4606           68 :       res2 = gfc_finish_block (&ifblock3);
    4607              : 
    4608           68 :       cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    4609              :                               absX, scale);
    4610           68 :       tmp = build3_v (COND_EXPR, cond, res1, res2);
    4611           68 :       gfc_add_expr_to_block (&ifblock1, tmp);
    4612           68 :       tmp = gfc_finish_block (&ifblock1);
    4613              : 
    4614           68 :       cond = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    4615              :                               arrayse.expr,
    4616              :                               gfc_build_const (type, integer_zero_node));
    4617              : 
    4618           68 :       tmp = build3_v (COND_EXPR, cond, tmp, build_empty_stmt (input_location));
    4619           68 :       gfc_add_expr_to_block (&block, tmp);
    4620              :     }
    4621              :   else
    4622              :     {
    4623         2453 :       tmp = fold_build2_loc (input_location, op, type, resvar, arrayse.expr);
    4624         2453 :       gfc_add_modify (&block, resvar, tmp);
    4625              :     }
    4626              : 
    4627         2521 :   gfc_add_block_to_block (&block, &arrayse.post);
    4628              : 
    4629         2521 :   if (maskexpr && maskexpr->rank > 0)
    4630              :     {
    4631              :       /* We enclose the above in if (mask) {...} .  If the mask is an
    4632              :          optional argument, generate
    4633              :          IF (.NOT. PRESENT(MASK) .OR. MASK(I)).  */
    4634          307 :       tree ifmask;
    4635          307 :       tmp = gfc_finish_block (&block);
    4636          307 :       ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    4637          307 :       tmp = build3_v (COND_EXPR, ifmask, tmp,
    4638              :                       build_empty_stmt (input_location));
    4639          307 :     }
    4640              :   else
    4641         2214 :     tmp = gfc_finish_block (&block);
    4642         2521 :   gfc_add_expr_to_block (&body, tmp);
    4643              : 
    4644         2521 :   gfc_trans_scalarizing_loops (ploop, &body);
    4645              : 
    4646              :   /* For a scalar mask, enclose the loop in an if statement.  */
    4647         2521 :   if (maskexpr && maskexpr->rank == 0)
    4648              :     {
    4649           64 :       gfc_init_block (&block);
    4650           64 :       gfc_add_block_to_block (&block, &ploop->pre);
    4651           64 :       gfc_add_block_to_block (&block, &ploop->post);
    4652           64 :       tmp = gfc_finish_block (&block);
    4653              : 
    4654           64 :       if (expr->rank > 0)
    4655              :         {
    4656           34 :           tmp = build3_v (COND_EXPR, se->ss->info->data.scalar.value, tmp,
    4657              :                           build_empty_stmt (input_location));
    4658           34 :           gfc_advance_se_ss_chain (se);
    4659              :         }
    4660              :       else
    4661              :         {
    4662           30 :           tree ifmask;
    4663              : 
    4664           30 :           gcc_assert (expr->rank == 0);
    4665           30 :           gfc_init_se (&maskse, NULL);
    4666           30 :           gfc_conv_expr_val (&maskse, maskexpr);
    4667           30 :           ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    4668           30 :           tmp = build3_v (COND_EXPR, ifmask, tmp,
    4669              :                           build_empty_stmt (input_location));
    4670              :         }
    4671              : 
    4672           64 :       gfc_add_expr_to_block (&block, tmp);
    4673           64 :       gfc_add_block_to_block (&se->pre, &block);
    4674           64 :       gcc_assert (se->post.head == NULL);
    4675              :     }
    4676              :   else
    4677              :     {
    4678         2457 :       gfc_add_block_to_block (&se->pre, &ploop->pre);
    4679         2457 :       gfc_add_block_to_block (&se->pre, &ploop->post);
    4680              :     }
    4681              : 
    4682         2521 :   if (expr->rank == 0)
    4683         1943 :     gfc_cleanup_loop (ploop);
    4684              : 
    4685         2521 :   if (norm2)
    4686              :     {
    4687              :       /* result = scale * sqrt(result).  */
    4688           68 :       tree sqrt;
    4689           68 :       sqrt = gfc_builtin_decl_for_float_kind (BUILT_IN_SQRT, expr->ts.kind);
    4690           68 :       resvar = build_call_expr_loc (input_location,
    4691              :                                     sqrt, 1, resvar);
    4692           68 :       resvar = fold_build2_loc (input_location, MULT_EXPR, type, scale, resvar);
    4693              :     }
    4694              : 
    4695         2521 :   se->expr = resvar;
    4696         2521 : }
    4697              : 
    4698              : 
    4699              : /* Inline implementation of the dot_product intrinsic. This function
    4700              :    is based on gfc_conv_intrinsic_arith (the previous function).  */
    4701              : static void
    4702          113 : gfc_conv_intrinsic_dot_product (gfc_se * se, gfc_expr * expr)
    4703              : {
    4704          113 :   tree resvar;
    4705          113 :   tree type;
    4706          113 :   stmtblock_t body;
    4707          113 :   stmtblock_t block;
    4708          113 :   tree tmp;
    4709          113 :   gfc_loopinfo loop;
    4710          113 :   gfc_actual_arglist *actual;
    4711          113 :   gfc_ss *arrayss1, *arrayss2;
    4712          113 :   gfc_se arrayse1, arrayse2;
    4713          113 :   gfc_expr *arrayexpr1, *arrayexpr2;
    4714              : 
    4715          113 :   type = gfc_typenode_for_spec (&expr->ts);
    4716              : 
    4717              :   /* Initialize the result.  */
    4718          113 :   resvar = gfc_create_var (type, "val");
    4719          113 :   if (expr->ts.type == BT_LOGICAL)
    4720           30 :     tmp = build_int_cst (type, 0);
    4721              :   else
    4722           83 :     tmp = gfc_build_const (type, integer_zero_node);
    4723              : 
    4724          113 :   gfc_add_modify (&se->pre, resvar, tmp);
    4725              : 
    4726              :   /* Walk argument #1.  */
    4727          113 :   actual = expr->value.function.actual;
    4728          113 :   arrayexpr1 = actual->expr;
    4729          113 :   arrayss1 = gfc_walk_expr (arrayexpr1);
    4730          113 :   gcc_assert (arrayss1 != gfc_ss_terminator);
    4731              : 
    4732              :   /* Walk argument #2.  */
    4733          113 :   actual = actual->next;
    4734          113 :   arrayexpr2 = actual->expr;
    4735          113 :   arrayss2 = gfc_walk_expr (arrayexpr2);
    4736          113 :   gcc_assert (arrayss2 != gfc_ss_terminator);
    4737              : 
    4738              :   /* Initialize the scalarizer.  */
    4739          113 :   gfc_init_loopinfo (&loop);
    4740          113 :   gfc_add_ss_to_loop (&loop, arrayss1);
    4741          113 :   gfc_add_ss_to_loop (&loop, arrayss2);
    4742              : 
    4743              :   /* Initialize the loop.  */
    4744          113 :   gfc_conv_ss_startstride (&loop);
    4745          113 :   gfc_conv_loop_setup (&loop, &expr->where);
    4746              : 
    4747          113 :   gfc_mark_ss_chain_used (arrayss1, 1);
    4748          113 :   gfc_mark_ss_chain_used (arrayss2, 1);
    4749              : 
    4750              :   /* Generate the loop body.  */
    4751          113 :   gfc_start_scalarized_body (&loop, &body);
    4752          113 :   gfc_init_block (&block);
    4753              : 
    4754              :   /* Make the tree expression for [conjg(]array1[)].  */
    4755          113 :   gfc_init_se (&arrayse1, NULL);
    4756          113 :   gfc_copy_loopinfo_to_se (&arrayse1, &loop);
    4757          113 :   arrayse1.ss = arrayss1;
    4758          113 :   gfc_conv_expr_val (&arrayse1, arrayexpr1);
    4759          113 :   if (expr->ts.type == BT_COMPLEX)
    4760            9 :     arrayse1.expr = fold_build1_loc (input_location, CONJ_EXPR, type,
    4761              :                                      arrayse1.expr);
    4762          113 :   gfc_add_block_to_block (&block, &arrayse1.pre);
    4763              : 
    4764              :   /* Make the tree expression for array2.  */
    4765          113 :   gfc_init_se (&arrayse2, NULL);
    4766          113 :   gfc_copy_loopinfo_to_se (&arrayse2, &loop);
    4767          113 :   arrayse2.ss = arrayss2;
    4768          113 :   gfc_conv_expr_val (&arrayse2, arrayexpr2);
    4769          113 :   gfc_add_block_to_block (&block, &arrayse2.pre);
    4770              : 
    4771              :   /* Do the actual product and sum.  */
    4772          113 :   if (expr->ts.type == BT_LOGICAL)
    4773              :     {
    4774           30 :       tmp = fold_build2_loc (input_location, TRUTH_AND_EXPR, type,
    4775              :                              arrayse1.expr, arrayse2.expr);
    4776           30 :       tmp = fold_build2_loc (input_location, TRUTH_OR_EXPR, type, resvar, tmp);
    4777              :     }
    4778              :   else
    4779              :     {
    4780           83 :       tmp = fold_build2_loc (input_location, MULT_EXPR, type, arrayse1.expr,
    4781              :                              arrayse2.expr);
    4782           83 :       tmp = fold_build2_loc (input_location, PLUS_EXPR, type, resvar, tmp);
    4783              :     }
    4784          113 :   gfc_add_modify (&block, resvar, tmp);
    4785              : 
    4786              :   /* Finish up the loop block and the loop.  */
    4787          113 :   tmp = gfc_finish_block (&block);
    4788          113 :   gfc_add_expr_to_block (&body, tmp);
    4789              : 
    4790          113 :   gfc_trans_scalarizing_loops (&loop, &body);
    4791          113 :   gfc_add_block_to_block (&se->pre, &loop.pre);
    4792          113 :   gfc_add_block_to_block (&se->pre, &loop.post);
    4793          113 :   gfc_cleanup_loop (&loop);
    4794              : 
    4795          113 :   se->expr = resvar;
    4796          113 : }
    4797              : 
    4798              : 
    4799              : /* Tells whether the expression E is a reference to an optional variable whose
    4800              :    presence is not known at compile time.  Those are variable references without
    4801              :    subreference; if there is a subreference, we can assume the variable is
    4802              :    present.  We have to special case full arrays, which we represent with a fake
    4803              :    "full" reference, and class descriptors for which a reference to data is not
    4804              :    really a subreference.  */
    4805              : 
    4806              : bool
    4807        14613 : maybe_absent_optional_variable (gfc_expr *e)
    4808              : {
    4809        14613 :   if (!(e && e->expr_type == EXPR_VARIABLE))
    4810              :     return false;
    4811              : 
    4812         1716 :   gfc_symbol *sym = e->symtree->n.sym;
    4813         1716 :   if (!sym->attr.optional)
    4814              :     return false;
    4815              : 
    4816          224 :   gfc_ref *ref = e->ref;
    4817          224 :   if (ref == nullptr)
    4818              :     return true;
    4819              : 
    4820           20 :   if (ref->type == REF_ARRAY
    4821           20 :       && ref->u.ar.type == AR_FULL
    4822           20 :       && ref->next == nullptr)
    4823              :     return true;
    4824              : 
    4825            0 :   if (!(sym->ts.type == BT_CLASS
    4826            0 :         && ref->type == REF_COMPONENT
    4827            0 :         && ref->u.c.component == CLASS_DATA (sym)))
    4828              :     return false;
    4829              : 
    4830            0 :   gfc_ref *next_ref = ref->next;
    4831            0 :   if (next_ref == nullptr)
    4832              :     return true;
    4833              : 
    4834            0 :   if (next_ref->type == REF_ARRAY
    4835            0 :       && next_ref->u.ar.type == AR_FULL
    4836            0 :       && next_ref->next == nullptr)
    4837            0 :     return true;
    4838              : 
    4839              :   return false;
    4840              : }
    4841              : 
    4842              : 
    4843              : /* Emit code for minloc or maxloc intrinsic.  There are many different cases
    4844              :    we need to handle.  For performance reasons we sometimes create two
    4845              :    loops instead of one, where the second one is much simpler.
    4846              :    Examples for minloc intrinsic:
    4847              :    A: Result is scalar.
    4848              :       1) Array mask is used and NaNs need to be supported:
    4849              :          limit = Infinity;
    4850              :          pos = 0;
    4851              :          S = from;
    4852              :          while (S <= to) {
    4853              :            if (mask[S]) {
    4854              :              if (pos == 0) pos = S + (1 - from);
    4855              :              if (a[S] <= limit) {
    4856              :                limit = a[S];
    4857              :                pos = S + (1 - from);
    4858              :                goto lab1;
    4859              :              }
    4860              :            }
    4861              :            S++;
    4862              :          }
    4863              :          goto lab2;
    4864              :          lab1:;
    4865              :          while (S <= to) {
    4866              :            if (mask[S])
    4867              :              if (a[S] < limit) {
    4868              :                limit = a[S];
    4869              :                pos = S + (1 - from);
    4870              :              }
    4871              :            S++;
    4872              :          }
    4873              :          lab2:;
    4874              :       2) NaNs need to be supported, but it is known at compile time or cheaply
    4875              :          at runtime whether array is nonempty or not:
    4876              :          limit = Infinity;
    4877              :          pos = 0;
    4878              :          S = from;
    4879              :          while (S <= to) {
    4880              :            if (a[S] <= limit) {
    4881              :              limit = a[S];
    4882              :              pos = S + (1 - from);
    4883              :              goto lab1;
    4884              :            }
    4885              :            S++;
    4886              :          }
    4887              :          if (from <= to) pos = 1;
    4888              :          goto lab2;
    4889              :          lab1:;
    4890              :          while (S <= to) {
    4891              :            if (a[S] < limit) {
    4892              :              limit = a[S];
    4893              :              pos = S + (1 - from);
    4894              :            }
    4895              :            S++;
    4896              :          }
    4897              :          lab2:;
    4898              :       3) NaNs aren't supported, array mask is used:
    4899              :          limit = infinities_supported ? Infinity : huge (limit);
    4900              :          pos = 0;
    4901              :          S = from;
    4902              :          while (S <= to) {
    4903              :            if (mask[S]) {
    4904              :              limit = a[S];
    4905              :              pos = S + (1 - from);
    4906              :              goto lab1;
    4907              :            }
    4908              :            S++;
    4909              :          }
    4910              :          goto lab2;
    4911              :          lab1:;
    4912              :          while (S <= to) {
    4913              :            if (mask[S])
    4914              :              if (a[S] < limit) {
    4915              :                limit = a[S];
    4916              :                pos = S + (1 - from);
    4917              :              }
    4918              :            S++;
    4919              :          }
    4920              :          lab2:;
    4921              :       4) Same without array mask:
    4922              :          limit = infinities_supported ? Infinity : huge (limit);
    4923              :          pos = (from <= to) ? 1 : 0;
    4924              :          S = from;
    4925              :          while (S <= to) {
    4926              :            if (a[S] < limit) {
    4927              :              limit = a[S];
    4928              :              pos = S + (1 - from);
    4929              :            }
    4930              :            S++;
    4931              :          }
    4932              :    B: Array result, non-CHARACTER type, DIM absent
    4933              :       Generate similar code as in the scalar case, using a collection of
    4934              :       variables (one per dimension) instead of a single variable as result.
    4935              :       Picking only cases 1) and 4) with ARRAY of rank 2, the generated code
    4936              :       becomes:
    4937              :       1) Array mask is used and NaNs need to be supported:
    4938              :          limit = Infinity;
    4939              :          pos0 = 0;
    4940              :          pos1 = 0;
    4941              :          S1 = from1;
    4942              :          second_loop_entry = false;
    4943              :          while (S1 <= to1) {
    4944              :            S0 = from0;
    4945              :            while (s0 <= to0 {
    4946              :              if (mask[S1][S0]) {
    4947              :                if (pos0 == 0) {
    4948              :                  pos0 = S0 + (1 - from0);
    4949              :                  pos1 = S1 + (1 - from1);
    4950              :                }
    4951              :                if (a[S1][S0] <= limit) {
    4952              :                  limit = a[S1][S0];
    4953              :                  pos0 = S0 + (1 - from0);
    4954              :                  pos1 = S1 + (1 - from1);
    4955              :                  second_loop_entry = true;
    4956              :                  goto lab1;
    4957              :                }
    4958              :              }
    4959              :              S0++;
    4960              :            }
    4961              :            S1++;
    4962              :          }
    4963              :          goto lab2;
    4964              :          lab1:;
    4965              :          S1 = second_loop_entry ? S1 : from1;
    4966              :          while (S1 <= to1) {
    4967              :            S0 = second_loop_entry ? S0 : from0;
    4968              :            while (S0 <= to0) {
    4969              :              if (mask[S1][S0])
    4970              :                if (a[S1][S0] < limit) {
    4971              :                  limit = a[S1][S0];
    4972              :                  pos0 = S + (1 - from0);
    4973              :                  pos1 = S + (1 - from1);
    4974              :                }
    4975              :              second_loop_entry = false;
    4976              :              S0++;
    4977              :            }
    4978              :            S1++;
    4979              :          }
    4980              :          lab2:;
    4981              :          result = { pos0, pos1 };
    4982              :       ...
    4983              :       4) NANs aren't supported, no array mask.
    4984              :          limit = infinities_supported ? Infinity : huge (limit);
    4985              :          pos0 = (from0 <= to0 && from1 <= to1) ? 1 : 0;
    4986              :          pos1 = (from0 <= to0 && from1 <= to1) ? 1 : 0;
    4987              :          S1 = from1;
    4988              :          while (S1 <= to1) {
    4989              :            S0 = from0;
    4990              :            while (S0 <= to0) {
    4991              :              if (a[S1][S0] < limit) {
    4992              :                limit = a[S1][S0];
    4993              :                pos0 = S + (1 - from0);
    4994              :                pos1 = S + (1 - from1);
    4995              :              }
    4996              :              S0++;
    4997              :            }
    4998              :            S1++;
    4999              :          }
    5000              :          result = { pos0, pos1 };
    5001              :    C: Otherwise, a call is generated.
    5002              :    For 2) and 4), if mask is scalar, this all goes into a conditional,
    5003              :    setting pos = 0; in the else branch.
    5004              : 
    5005              :    Since we now also support the BACK argument, instead of using
    5006              :    if (a[S] < limit), we now use
    5007              : 
    5008              :    if (back)
    5009              :      cond = a[S] <= limit;
    5010              :    else
    5011              :      cond = a[S] < limit;
    5012              :    if (cond) {
    5013              :      ....
    5014              : 
    5015              :    The optimizer is smart enough to move the condition out of the loop.
    5016              :    They are now marked as unlikely too for further speedup.  */
    5017              : 
    5018              : static void
    5019        18898 : gfc_conv_intrinsic_minmaxloc (gfc_se * se, gfc_expr * expr, enum tree_code op)
    5020              : {
    5021        18898 :   stmtblock_t body;
    5022        18898 :   stmtblock_t block;
    5023        18898 :   stmtblock_t ifblock;
    5024        18898 :   stmtblock_t elseblock;
    5025        18898 :   tree limit;
    5026        18898 :   tree type;
    5027        18898 :   tree tmp;
    5028        18898 :   tree cond;
    5029        18898 :   tree elsetmp;
    5030        18898 :   tree ifbody;
    5031        18898 :   tree offset[GFC_MAX_DIMENSIONS];
    5032        18898 :   tree nonempty;
    5033        18898 :   tree lab1, lab2;
    5034        18898 :   tree b_if, b_else;
    5035        18898 :   tree back;
    5036        18898 :   gfc_loopinfo loop, *ploop;
    5037        18898 :   gfc_actual_arglist *array_arg, *dim_arg, *mask_arg, *kind_arg;
    5038        18898 :   gfc_actual_arglist *back_arg;
    5039        18898 :   gfc_ss *arrayss = nullptr;
    5040        18898 :   gfc_ss *maskss = nullptr;
    5041        18898 :   gfc_ss *orig_ss = nullptr;
    5042        18898 :   gfc_se arrayse;
    5043        18898 :   gfc_se maskse;
    5044        18898 :   gfc_se nested_se;
    5045        18898 :   gfc_se *base_se;
    5046        18898 :   gfc_expr *arrayexpr;
    5047        18898 :   gfc_expr *maskexpr;
    5048        18898 :   gfc_expr *backexpr;
    5049        18898 :   gfc_se backse;
    5050        18898 :   tree pos[GFC_MAX_DIMENSIONS];
    5051        18898 :   tree idx[GFC_MAX_DIMENSIONS];
    5052        18898 :   tree result_var = NULL_TREE;
    5053        18898 :   int n;
    5054        18898 :   bool optional_mask;
    5055              : 
    5056        18898 :   array_arg = expr->value.function.actual;
    5057        18898 :   dim_arg = array_arg->next;
    5058        18898 :   mask_arg = dim_arg->next;
    5059        18898 :   kind_arg = mask_arg->next;
    5060        18898 :   back_arg = kind_arg->next;
    5061              : 
    5062        18898 :   bool dim_present = dim_arg->expr != nullptr;
    5063        18898 :   bool nested_loop = dim_present && expr->rank > 0;
    5064              : 
    5065              :   /* Remove kind.  */
    5066        18898 :   if (kind_arg->expr)
    5067              :     {
    5068         2240 :       gfc_free_expr (kind_arg->expr);
    5069         2240 :       kind_arg->expr = NULL;
    5070              :     }
    5071              : 
    5072              :   /* Pass BACK argument by value.  */
    5073        18898 :   back_arg->name = "%VAL";
    5074              : 
    5075        18898 :   if (se->ss)
    5076              :     {
    5077        14732 :       if (se->ss->info->useflags)
    5078              :         {
    5079         7671 :           if (!dim_present || !gfc_inline_intrinsic_function_p (expr))
    5080              :             {
    5081              :               /* The code generating and initializing the result array has been
    5082              :                  generated already before the scalarization loop, either with a
    5083              :                  library function call or with inline code; now we can just use
    5084              :                  the result.  */
    5085         4875 :               gfc_conv_tmp_array_ref (se);
    5086        13822 :               return;
    5087              :             }
    5088              :         }
    5089         7061 :       else if (!gfc_inline_intrinsic_function_p (expr))
    5090              :         {
    5091         3780 :           gfc_conv_intrinsic_funcall (se, expr);
    5092         3780 :           return;
    5093              :         }
    5094              :     }
    5095              : 
    5096        10243 :   arrayexpr = array_arg->expr;
    5097              : 
    5098              :   /* Special case for character maxloc.  Remove unneeded "dim" actual
    5099              :      argument, then call a library function.  */
    5100              : 
    5101        10243 :   if (arrayexpr->ts.type == BT_CHARACTER)
    5102              :     {
    5103          292 :       gcc_assert (expr->rank == 0);
    5104              : 
    5105          292 :       if (dim_arg->expr)
    5106              :         {
    5107          292 :           gfc_free_expr (dim_arg->expr);
    5108          292 :           dim_arg->expr = NULL;
    5109              :         }
    5110          292 :       gfc_conv_intrinsic_funcall (se, expr);
    5111          292 :       return;
    5112              :     }
    5113              : 
    5114         9951 :   type = gfc_typenode_for_spec (&expr->ts);
    5115              : 
    5116         9951 :   if (expr->rank > 0 && !dim_present)
    5117              :     {
    5118         3281 :       gfc_array_spec as;
    5119         3281 :       memset (&as, 0, sizeof (as));
    5120              : 
    5121         3281 :       as.rank = 1;
    5122         3281 :       as.lower[0] = gfc_get_int_expr (gfc_index_integer_kind,
    5123              :                                       &arrayexpr->where,
    5124              :                                       HOST_WIDE_INT_1);
    5125         6562 :       as.upper[0] = gfc_get_int_expr (gfc_index_integer_kind,
    5126              :                                       &arrayexpr->where,
    5127         3281 :                                       arrayexpr->rank);
    5128              : 
    5129         3281 :       tree array = gfc_get_nodesc_array_type (type, &as, PACKED_STATIC, true);
    5130              : 
    5131         3281 :       result_var = gfc_create_var (array, "loc_result");
    5132              :     }
    5133              : 
    5134         7155 :   const int reduction_dimensions = dim_present ? 1 : arrayexpr->rank;
    5135              : 
    5136              :   /* Initialize the result.  */
    5137        22177 :   for (int i = 0; i < reduction_dimensions; i++)
    5138              :     {
    5139        12226 :       pos[i] = gfc_create_var (gfc_array_index_type,
    5140              :                                gfc_get_string ("pos%d", i));
    5141        12226 :       offset[i] = gfc_create_var (gfc_array_index_type,
    5142              :                                   gfc_get_string ("offset%d", i));
    5143        12226 :       idx[i] = gfc_create_var (gfc_array_index_type,
    5144              :                                gfc_get_string ("idx%d", i));
    5145              :     }
    5146              : 
    5147         9951 :   maskexpr = mask_arg->expr;
    5148         6518 :   optional_mask = maskexpr && maskexpr->expr_type == EXPR_VARIABLE
    5149         5329 :     && maskexpr->symtree->n.sym->attr.dummy
    5150        10116 :     && maskexpr->symtree->n.sym->attr.optional;
    5151         9951 :   backexpr = back_arg->expr;
    5152              : 
    5153        17106 :   gfc_init_se (&backse, nested_loop ? se : nullptr);
    5154         9951 :   if (backexpr == nullptr)
    5155            0 :     back = logical_false_node;
    5156         9951 :   else if (maybe_absent_optional_variable (backexpr))
    5157              :     {
    5158              :       /* This should have been checked already by
    5159              :          maybe_absent_optional_variable.  */
    5160          184 :       gcc_checking_assert (backexpr->expr_type == EXPR_VARIABLE);
    5161              : 
    5162          184 :       gfc_conv_expr (&backse, backexpr);
    5163          184 :       tree present = gfc_conv_expr_present (backexpr->symtree->n.sym, false);
    5164          184 :       back = fold_build2_loc (input_location, TRUTH_ANDIF_EXPR,
    5165              :                               logical_type_node, present, backse.expr);
    5166              :     }
    5167              :   else
    5168              :     {
    5169         9767 :       gfc_conv_expr (&backse, backexpr);
    5170         9767 :       back = backse.expr;
    5171              :     }
    5172         9951 :   gfc_add_block_to_block (&se->pre, &backse.pre);
    5173         9951 :   back = gfc_evaluate_now_loc (input_location, back, &se->pre);
    5174         9951 :   gfc_add_block_to_block (&se->pre, &backse.post);
    5175              : 
    5176         9951 :   if (nested_loop)
    5177              :     {
    5178         2796 :       gfc_init_se (&nested_se, se);
    5179         2796 :       base_se = &nested_se;
    5180              :     }
    5181              :   else
    5182              :     {
    5183              :       /* Walk the arguments.  */
    5184         7155 :       arrayss = gfc_walk_expr (arrayexpr);
    5185         7155 :       gcc_assert (arrayss != gfc_ss_terminator);
    5186              : 
    5187         7155 :       if (maskexpr && maskexpr->rank != 0)
    5188              :         {
    5189         2700 :           maskss = gfc_walk_expr (maskexpr);
    5190         2700 :           gcc_assert (maskss != gfc_ss_terminator);
    5191              :         }
    5192              : 
    5193              :       base_se = nullptr;
    5194              :     }
    5195              : 
    5196        18091 :   nonempty = nullptr;
    5197         7448 :   if (!(maskexpr && maskexpr->rank > 0))
    5198              :     {
    5199         6077 :       mpz_t asize;
    5200         6077 :       bool reduction_size_known;
    5201              : 
    5202         6077 :       if (dim_present)
    5203              :         {
    5204         4032 :           int reduction_dim;
    5205         4032 :           if (dim_arg->expr->expr_type == EXPR_CONSTANT)
    5206         4030 :             reduction_dim = mpz_get_si (dim_arg->expr->value.integer) - 1;
    5207            2 :           else if (arrayexpr->rank == 1)
    5208              :             reduction_dim = 0;
    5209              :           else
    5210            0 :             gcc_unreachable ();
    5211         4032 :           reduction_size_known = gfc_array_dimen_size (arrayexpr, reduction_dim,
    5212              :                                                        &asize);
    5213              :         }
    5214              :       else
    5215         2045 :         reduction_size_known = gfc_array_size (arrayexpr, &asize);
    5216              : 
    5217         6077 :       if (reduction_size_known)
    5218              :         {
    5219         4482 :           nonempty = gfc_conv_mpz_to_tree (asize, gfc_index_integer_kind);
    5220         4482 :           mpz_clear (asize);
    5221         4482 :           nonempty = fold_build2_loc (input_location, GT_EXPR,
    5222              :                                       logical_type_node, nonempty,
    5223              :                                       gfc_index_zero_node);
    5224              :         }
    5225         6077 :       maskss = NULL;
    5226              :     }
    5227              : 
    5228         9951 :   limit = gfc_create_var (gfc_typenode_for_spec (&arrayexpr->ts), "limit");
    5229         9951 :   switch (arrayexpr->ts.type)
    5230              :     {
    5231         3898 :     case BT_REAL:
    5232         3898 :       tmp = gfc_build_inf_or_huge (TREE_TYPE (limit), arrayexpr->ts.kind);
    5233         3898 :       break;
    5234              : 
    5235         6029 :     case BT_INTEGER:
    5236         6029 :       n = gfc_validate_kind (arrayexpr->ts.type, arrayexpr->ts.kind, false);
    5237         6029 :       tmp = gfc_conv_mpz_to_tree (gfc_integer_kinds[n].huge,
    5238              :                                   arrayexpr->ts.kind);
    5239         6029 :       break;
    5240              : 
    5241           24 :     case BT_UNSIGNED:
    5242              :       /* For MAXVAL, the minimum is zero, for MINVAL it is HUGE().  */
    5243           24 :       if (op == GT_EXPR)
    5244              :         {
    5245           12 :           tmp = gfc_get_unsigned_type (arrayexpr->ts.kind);
    5246           12 :           tmp = build_int_cst (tmp, 0);
    5247              :         }
    5248              :       else
    5249              :         {
    5250           12 :           n = gfc_validate_kind (arrayexpr->ts.type, arrayexpr->ts.kind, false);
    5251           12 :           tmp = gfc_conv_mpz_unsigned_to_tree (gfc_unsigned_kinds[n].huge,
    5252              :                                                expr->ts.kind);
    5253              :         }
    5254              :       break;
    5255              : 
    5256            0 :     default:
    5257            0 :       gcc_unreachable ();
    5258              :     }
    5259              : 
    5260              :   /* We start with the most negative possible value for MAXLOC, and the most
    5261              :      positive possible value for MINLOC. The most negative possible value is
    5262              :      -HUGE for BT_REAL and (-HUGE - 1) for BT_INTEGER; the most positive
    5263              :      possible value is HUGE in both cases.  BT_UNSIGNED has already been dealt
    5264              :      with above.  */
    5265         9951 :   if (op == GT_EXPR && expr->ts.type != BT_UNSIGNED)
    5266         4724 :     tmp = fold_build1_loc (input_location, NEGATE_EXPR, TREE_TYPE (tmp), tmp);
    5267         4724 :   if (op == GT_EXPR && arrayexpr->ts.type == BT_INTEGER)
    5268         2914 :     tmp = fold_build2_loc (input_location, MINUS_EXPR, TREE_TYPE (tmp), tmp,
    5269         2914 :                            build_int_cst (TREE_TYPE (tmp), 1));
    5270              : 
    5271         9951 :   gfc_add_modify (&se->pre, limit, tmp);
    5272              : 
    5273              :   /* If we are in a case where we generate two sets of loops, the second one
    5274              :      should continue where the first stopped instead of restarting from the
    5275              :      beginning.  So nested loops in the second set should have a partial range
    5276              :      on the first iteration, but they should start from the beginning and span
    5277              :      their full range on the following iterations.  So we use conditionals in
    5278              :      the loops lower bounds, and use the following variable in those
    5279              :      conditionals to decide whether to use the original loop bound or to use
    5280              :      the index at which the loop from the first set stopped.  */
    5281         9951 :   tree second_loop_entry = gfc_create_var (logical_type_node,
    5282              :                                            "second_loop_entry");
    5283         9951 :   gfc_add_modify (&se->pre, second_loop_entry, logical_false_node);
    5284              : 
    5285         9951 :   if (nested_loop)
    5286              :     {
    5287         2796 :       ploop = enter_nested_loop (&nested_se);
    5288         2796 :       orig_ss = nested_se.ss;
    5289         2796 :       ploop->temp_dim = 1;
    5290              :     }
    5291              :   else
    5292              :     {
    5293              :       /* Initialize the scalarizer.  */
    5294         7155 :       gfc_init_loopinfo (&loop);
    5295              : 
    5296              :       /* We add the mask first because the number of iterations is taken
    5297              :          from the last ss, and this breaks if an absent optional argument
    5298              :          is used for mask.  */
    5299              : 
    5300         7155 :       if (maskss)
    5301         2700 :         gfc_add_ss_to_loop (&loop, maskss);
    5302              : 
    5303         7155 :       gfc_add_ss_to_loop (&loop, arrayss);
    5304              : 
    5305              :       /* Initialize the loop.  */
    5306         7155 :       gfc_conv_ss_startstride (&loop);
    5307              : 
    5308              :       /* The code generated can have more than one loop in sequence (see the
    5309              :          comment at the function header).  This doesn't work well with the
    5310              :          scalarizer, which changes arrays' offset when the scalarization loops
    5311              :          are generated (see gfc_trans_preloop_setup).  Fortunately, we can use
    5312              :          the scalarizer temporary code to handle multiple loops.  Thus, we set
    5313              :          temp_dim here, we call gfc_mark_ss_chain_used with flag=3 later, and
    5314              :          we use gfc_trans_scalarized_loop_boundary even later to restore
    5315              :          offset.  */
    5316         7155 :       loop.temp_dim = loop.dimen;
    5317         7155 :       gfc_conv_loop_setup (&loop, &expr->where);
    5318              : 
    5319         7155 :       ploop = &loop;
    5320              :     }
    5321              : 
    5322         9951 :   gcc_assert (reduction_dimensions == ploop->dimen);
    5323              : 
    5324         9951 :   if (nonempty == NULL && !(maskexpr && maskexpr->rank > 0))
    5325              :     {
    5326         1595 :       nonempty = logical_true_node;
    5327              : 
    5328         3697 :       for (int i = 0; i < ploop->dimen; i++)
    5329              :         {
    5330         2102 :           if (!(ploop->from[i] && ploop->to[i]))
    5331              :             {
    5332              :               nonempty = NULL;
    5333              :               break;
    5334              :             }
    5335              : 
    5336         2102 :           tree tmp = fold_build2_loc (input_location, LE_EXPR,
    5337              :                                       logical_type_node, ploop->from[i],
    5338              :                                       ploop->to[i]);
    5339              : 
    5340         2102 :           nonempty = fold_build2_loc (input_location, TRUTH_ANDIF_EXPR,
    5341              :                                       logical_type_node, nonempty, tmp);
    5342              :         }
    5343              :     }
    5344              : 
    5345        11546 :   lab1 = NULL;
    5346        11546 :   lab2 = NULL;
    5347              :   /* Initialize the position to zero, following Fortran 2003.  We are free
    5348              :      to do this because Fortran 95 allows the result of an entirely false
    5349              :      mask to be processor dependent.  If we know at compile time the array
    5350              :      is non-empty and no MASK is used, we can initialize to 1 to simplify
    5351              :      the inner loop.  */
    5352         9951 :   if (nonempty != NULL && !HONOR_NANS (DECL_MODE (limit)))
    5353              :     {
    5354         3748 :       tree init = fold_build3_loc (input_location, COND_EXPR,
    5355              :                                    gfc_array_index_type, nonempty,
    5356              :                                    gfc_index_one_node,
    5357              :                                    gfc_index_zero_node);
    5358        12178 :       for (int i = 0; i < ploop->dimen; i++)
    5359         4682 :         gfc_add_modify (&ploop->pre, pos[i], init);
    5360              :     }
    5361              :   else
    5362              :     {
    5363        13747 :       for (int i = 0; i < ploop->dimen; i++)
    5364         7544 :         gfc_add_modify (&ploop->pre, pos[i], gfc_index_zero_node);
    5365         6203 :       lab1 = gfc_build_label_decl (NULL_TREE);
    5366         6203 :       TREE_USED (lab1) = 1;
    5367         6203 :       lab2 = gfc_build_label_decl (NULL_TREE);
    5368         6203 :       TREE_USED (lab2) = 1;
    5369              :     }
    5370              : 
    5371              :   /* An offset must be added to the loop
    5372              :      counter to obtain the required position.  */
    5373        22177 :   for (int i = 0; i < ploop->dimen; i++)
    5374              :     {
    5375        12226 :       gcc_assert (ploop->from[i]);
    5376              : 
    5377        12226 :       tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
    5378              :                              gfc_index_one_node, ploop->from[i]);
    5379        12226 :       gfc_add_modify (&ploop->pre, offset[i], tmp);
    5380              :     }
    5381              : 
    5382         9951 :   if (!nested_loop)
    5383              :     {
    5384         9965 :       gfc_mark_ss_chain_used (arrayss, lab1 ? 3 : 1);
    5385         7155 :       if (maskss)
    5386         2700 :         gfc_mark_ss_chain_used (maskss, lab1 ? 3 : 1);
    5387              :     }
    5388              : 
    5389              :   /* Generate the loop body.  */
    5390         9951 :   gfc_start_scalarized_body (ploop, &body);
    5391              : 
    5392              :   /* If we have a mask, only check this element if the mask is set.  */
    5393         9951 :   if (maskexpr && maskexpr->rank > 0)
    5394              :     {
    5395         3874 :       gfc_init_se (&maskse, base_se);
    5396         3874 :       gfc_copy_loopinfo_to_se (&maskse, ploop);
    5397         3874 :       if (!nested_loop)
    5398         2700 :         maskse.ss = maskss;
    5399         3874 :       gfc_conv_expr_val (&maskse, maskexpr);
    5400         3874 :       gfc_add_block_to_block (&body, &maskse.pre);
    5401              : 
    5402         3874 :       gfc_start_block (&block);
    5403              :     }
    5404              :   else
    5405         6077 :     gfc_init_block (&block);
    5406              : 
    5407              :   /* Compare with the current limit.  */
    5408         9951 :   gfc_init_se (&arrayse, base_se);
    5409         9951 :   gfc_copy_loopinfo_to_se (&arrayse, ploop);
    5410         9951 :   if (!nested_loop)
    5411         7155 :     arrayse.ss = arrayss;
    5412         9951 :   gfc_conv_expr_val (&arrayse, arrayexpr);
    5413         9951 :   gfc_add_block_to_block (&block, &arrayse.pre);
    5414              : 
    5415              :   /* We do the following if this is a more extreme value.  */
    5416         9951 :   gfc_start_block (&ifblock);
    5417              : 
    5418              :   /* Assign the value to the limit...  */
    5419         9951 :   gfc_add_modify (&ifblock, limit, arrayse.expr);
    5420              : 
    5421         9951 :   if (nonempty == NULL && HONOR_NANS (DECL_MODE (limit)))
    5422              :     {
    5423         1569 :       stmtblock_t ifblock2;
    5424         1569 :       tree ifbody2;
    5425              : 
    5426         1569 :       gfc_start_block (&ifblock2);
    5427         5008 :       for (int i = 0; i < ploop->dimen; i++)
    5428              :         {
    5429         1870 :           tmp = fold_build2_loc (input_location, PLUS_EXPR, TREE_TYPE (pos[i]),
    5430              :                                  ploop->loopvar[i], offset[i]);
    5431         1870 :           gfc_add_modify (&ifblock2, pos[i], tmp);
    5432              :         }
    5433         1569 :       ifbody2 = gfc_finish_block (&ifblock2);
    5434              : 
    5435         1569 :       cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    5436              :                               pos[0], gfc_index_zero_node);
    5437         1569 :       tmp = build3_v (COND_EXPR, cond, ifbody2,
    5438              :                       build_empty_stmt (input_location));
    5439         1569 :       gfc_add_expr_to_block (&block, tmp);
    5440              :     }
    5441              : 
    5442        22177 :   for (int i = 0; i < ploop->dimen; i++)
    5443              :     {
    5444        12226 :       tmp = fold_build2_loc (input_location, PLUS_EXPR, TREE_TYPE (pos[i]),
    5445              :                              ploop->loopvar[i], offset[i]);
    5446        12226 :       gfc_add_modify (&ifblock, pos[i], tmp);
    5447        12226 :       gfc_add_modify (&ifblock, idx[i], ploop->loopvar[i]);
    5448              :     }
    5449              : 
    5450         9951 :   gfc_add_modify (&ifblock, second_loop_entry, logical_true_node);
    5451              : 
    5452         9951 :   if (lab1)
    5453         6203 :     gfc_add_expr_to_block (&ifblock, build1_v (GOTO_EXPR, lab1));
    5454              : 
    5455         9951 :   ifbody = gfc_finish_block (&ifblock);
    5456              : 
    5457         9951 :   if (!lab1 || HONOR_NANS (DECL_MODE (limit)))
    5458              :     {
    5459         7646 :       if (lab1)
    5460         5998 :         cond = fold_build2_loc (input_location,
    5461              :                                 op == GT_EXPR ? GE_EXPR : LE_EXPR,
    5462              :                                 logical_type_node, arrayse.expr, limit);
    5463              :       else
    5464              :         {
    5465         3748 :           tree ifbody2, elsebody2;
    5466              : 
    5467              :           /* We switch to > or >= depending on the value of the BACK argument. */
    5468         3748 :           cond = gfc_create_var (logical_type_node, "cond");
    5469              : 
    5470         3748 :           gfc_start_block (&ifblock);
    5471         5641 :           b_if = fold_build2_loc (input_location, op == GT_EXPR ? GE_EXPR : LE_EXPR,
    5472              :                                   logical_type_node, arrayse.expr, limit);
    5473              : 
    5474         3748 :           gfc_add_modify (&ifblock, cond, b_if);
    5475         3748 :           ifbody2 = gfc_finish_block (&ifblock);
    5476              : 
    5477         3748 :           gfc_start_block (&elseblock);
    5478         3748 :           b_else = fold_build2_loc (input_location, op, logical_type_node,
    5479              :                                     arrayse.expr, limit);
    5480              : 
    5481         3748 :           gfc_add_modify (&elseblock, cond, b_else);
    5482         3748 :           elsebody2 = gfc_finish_block (&elseblock);
    5483              : 
    5484         3748 :           tmp = fold_build3_loc (input_location, COND_EXPR, logical_type_node,
    5485              :                                  back, ifbody2, elsebody2);
    5486              : 
    5487         3748 :           gfc_add_expr_to_block (&block, tmp);
    5488              :         }
    5489              : 
    5490         7646 :       cond = gfc_unlikely (cond, PRED_BUILTIN_EXPECT);
    5491         7646 :       ifbody = build3_v (COND_EXPR, cond, ifbody,
    5492              :                          build_empty_stmt (input_location));
    5493              :     }
    5494         9951 :   gfc_add_expr_to_block (&block, ifbody);
    5495              : 
    5496         9951 :   if (maskexpr && maskexpr->rank > 0)
    5497              :     {
    5498              :       /* We enclose the above in if (mask) {...}.  If the mask is an
    5499              :          optional argument, generate IF (.NOT. PRESENT(MASK)
    5500              :          .OR. MASK(I)). */
    5501              : 
    5502         3874 :       tree ifmask;
    5503         3874 :       ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    5504         3874 :       tmp = gfc_finish_block (&block);
    5505         3874 :       tmp = build3_v (COND_EXPR, ifmask, tmp,
    5506              :                       build_empty_stmt (input_location));
    5507         3874 :     }
    5508              :   else
    5509         6077 :     tmp = gfc_finish_block (&block);
    5510         9951 :   gfc_add_expr_to_block (&body, tmp);
    5511              : 
    5512         9951 :   if (lab1)
    5513              :     {
    5514        13747 :       for (int i = 0; i < ploop->dimen; i++)
    5515         7544 :         ploop->from[i] = fold_build3_loc (input_location, COND_EXPR,
    5516         7544 :                                           TREE_TYPE (ploop->from[i]),
    5517              :                                           second_loop_entry, idx[i],
    5518              :                                           ploop->from[i]);
    5519              : 
    5520         6203 :       gfc_trans_scalarized_loop_boundary (ploop, &body);
    5521              : 
    5522         6203 :       if (nested_loop)
    5523              :         {
    5524              :           /* The first loop already advanced the parent se'ss chain, so clear
    5525              :              the parent now to avoid doing it a second time, making the chain
    5526              :              out of sync.  */
    5527         1858 :           nested_se.parent = nullptr;
    5528         1858 :           nested_se.ss = orig_ss;
    5529              :         }
    5530              : 
    5531         6203 :       stmtblock_t * const outer_block = &ploop->code[ploop->dimen - 1];
    5532              : 
    5533         6203 :       if (HONOR_NANS (DECL_MODE (limit)))
    5534              :         {
    5535         3898 :           if (nonempty != NULL)
    5536              :             {
    5537         2329 :               stmtblock_t init_block;
    5538         2329 :               gfc_init_block (&init_block);
    5539              : 
    5540         7558 :               for (int i = 0; i < ploop->dimen; i++)
    5541         2900 :                 gfc_add_modify (&init_block, pos[i], gfc_index_one_node);
    5542              : 
    5543         2329 :               tree ifbody = gfc_finish_block (&init_block);
    5544         2329 :               tmp = build3_v (COND_EXPR, nonempty, ifbody,
    5545              :                               build_empty_stmt (input_location));
    5546         2329 :               gfc_add_expr_to_block (outer_block, tmp);
    5547              :             }
    5548              :         }
    5549              : 
    5550         6203 :       gfc_add_expr_to_block (outer_block, build1_v (GOTO_EXPR, lab2));
    5551         6203 :       gfc_add_expr_to_block (outer_block, build1_v (LABEL_EXPR, lab1));
    5552              : 
    5553              :       /* If we have a mask, only check this element if the mask is set.  */
    5554         6203 :       if (maskexpr && maskexpr->rank > 0)
    5555              :         {
    5556         3874 :           gfc_init_se (&maskse, base_se);
    5557         3874 :           gfc_copy_loopinfo_to_se (&maskse, ploop);
    5558         3874 :           if (!nested_loop)
    5559         2700 :             maskse.ss = maskss;
    5560         3874 :           gfc_conv_expr_val (&maskse, maskexpr);
    5561         3874 :           gfc_add_block_to_block (&body, &maskse.pre);
    5562              : 
    5563         3874 :           gfc_start_block (&block);
    5564              :         }
    5565              :       else
    5566         2329 :         gfc_init_block (&block);
    5567              : 
    5568              :       /* Compare with the current limit.  */
    5569         6203 :       gfc_init_se (&arrayse, base_se);
    5570         6203 :       gfc_copy_loopinfo_to_se (&arrayse, ploop);
    5571         6203 :       if (!nested_loop)
    5572         4345 :         arrayse.ss = arrayss;
    5573         6203 :       gfc_conv_expr_val (&arrayse, arrayexpr);
    5574         6203 :       gfc_add_block_to_block (&block, &arrayse.pre);
    5575              : 
    5576              :       /* We do the following if this is a more extreme value.  */
    5577         6203 :       gfc_start_block (&ifblock);
    5578              : 
    5579              :       /* Assign the value to the limit...  */
    5580         6203 :       gfc_add_modify (&ifblock, limit, arrayse.expr);
    5581              : 
    5582        19950 :       for (int i = 0; i < ploop->dimen; i++)
    5583              :         {
    5584         7544 :           tmp = fold_build2_loc (input_location, PLUS_EXPR, TREE_TYPE (pos[i]),
    5585              :                                  ploop->loopvar[i], offset[i]);
    5586         7544 :           gfc_add_modify (&ifblock, pos[i], tmp);
    5587              :         }
    5588              : 
    5589         6203 :       ifbody = gfc_finish_block (&ifblock);
    5590              : 
    5591              :       /* We switch to > or >= depending on the value of the BACK argument. */
    5592         6203 :       {
    5593         6203 :         tree ifbody2, elsebody2;
    5594              : 
    5595         6203 :         cond = gfc_create_var (logical_type_node, "cond");
    5596              : 
    5597         6203 :         gfc_start_block (&ifblock);
    5598         9537 :         b_if = fold_build2_loc (input_location, op == GT_EXPR ? GE_EXPR : LE_EXPR,
    5599              :                                 logical_type_node, arrayse.expr, limit);
    5600              : 
    5601         6203 :         gfc_add_modify (&ifblock, cond, b_if);
    5602         6203 :         ifbody2 = gfc_finish_block (&ifblock);
    5603              : 
    5604         6203 :         gfc_start_block (&elseblock);
    5605         6203 :         b_else = fold_build2_loc (input_location, op, logical_type_node,
    5606              :                                   arrayse.expr, limit);
    5607              : 
    5608         6203 :         gfc_add_modify (&elseblock, cond, b_else);
    5609         6203 :         elsebody2 = gfc_finish_block (&elseblock);
    5610              : 
    5611         6203 :         tmp = fold_build3_loc (input_location, COND_EXPR, logical_type_node,
    5612              :                                back, ifbody2, elsebody2);
    5613              :       }
    5614              : 
    5615         6203 :       gfc_add_expr_to_block (&block, tmp);
    5616         6203 :       cond = gfc_unlikely (cond, PRED_BUILTIN_EXPECT);
    5617         6203 :       tmp = build3_v (COND_EXPR, cond, ifbody,
    5618              :                       build_empty_stmt (input_location));
    5619              : 
    5620         6203 :       gfc_add_expr_to_block (&block, tmp);
    5621              : 
    5622         6203 :       if (maskexpr && maskexpr->rank > 0)
    5623              :         {
    5624              :           /* We enclose the above in if (mask) {...}.  If the mask is
    5625              :          an optional argument, generate IF (.NOT. PRESENT(MASK)
    5626              :          .OR. MASK(I)).*/
    5627              : 
    5628         3874 :           tree ifmask;
    5629         3874 :           ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    5630         3874 :           tmp = gfc_finish_block (&block);
    5631         3874 :           tmp = build3_v (COND_EXPR, ifmask, tmp,
    5632              :                           build_empty_stmt (input_location));
    5633         3874 :         }
    5634              :       else
    5635         2329 :         tmp = gfc_finish_block (&block);
    5636              : 
    5637         6203 :       gfc_add_expr_to_block (&body, tmp);
    5638         6203 :       gfc_add_modify (&body, second_loop_entry, logical_false_node);
    5639              :     }
    5640              : 
    5641         9951 :   gfc_trans_scalarizing_loops (ploop, &body);
    5642              : 
    5643         9951 :   if (lab2)
    5644         6203 :     gfc_add_expr_to_block (&ploop->pre, build1_v (LABEL_EXPR, lab2));
    5645              : 
    5646              :   /* For a scalar mask, enclose the loop in an if statement.  */
    5647         9951 :   if (maskexpr && maskexpr->rank == 0)
    5648              :     {
    5649         2644 :       tree ifmask;
    5650              : 
    5651         2644 :       gfc_init_se (&maskse, nested_loop ? se : nullptr);
    5652         2644 :       gfc_conv_expr_val (&maskse, maskexpr);
    5653         2644 :       gfc_add_block_to_block (&se->pre, &maskse.pre);
    5654         2644 :       gfc_init_block (&block);
    5655         2644 :       gfc_add_block_to_block (&block, &ploop->pre);
    5656         2644 :       gfc_add_block_to_block (&block, &ploop->post);
    5657         2644 :       tmp = gfc_finish_block (&block);
    5658              : 
    5659              :       /* For the else part of the scalar mask, just initialize
    5660              :          the pos variable the same way as above.  */
    5661              : 
    5662         2644 :       gfc_init_block (&elseblock);
    5663         8224 :       for (int i = 0; i < ploop->dimen; i++)
    5664         2936 :         gfc_add_modify (&elseblock, pos[i], gfc_index_zero_node);
    5665         2644 :       elsetmp = gfc_finish_block (&elseblock);
    5666         2644 :       ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    5667         2644 :       tmp = build3_v (COND_EXPR, ifmask, tmp, elsetmp);
    5668         2644 :       gfc_add_expr_to_block (&block, tmp);
    5669         2644 :       gfc_add_block_to_block (&se->pre, &block);
    5670         2644 :     }
    5671              :   else
    5672              :     {
    5673         7307 :       gfc_add_block_to_block (&se->pre, &ploop->pre);
    5674         7307 :       gfc_add_block_to_block (&se->pre, &ploop->post);
    5675              :     }
    5676              : 
    5677         9951 :   if (!nested_loop)
    5678         7155 :     gfc_cleanup_loop (&loop);
    5679              : 
    5680         9951 :   if (!dim_present)
    5681              :     {
    5682         8837 :       for (int i = 0; i < arrayexpr->rank; i++)
    5683              :         {
    5684         5556 :           tree res_idx = build_int_cst (gfc_array_index_type, i);
    5685         5556 :           tree res_arr_ref = gfc_build_array_ref (result_var, res_idx,
    5686              :                                                   NULL_TREE, true);
    5687              : 
    5688         5556 :           tree value = convert (type, pos[i]);
    5689         5556 :           gfc_add_modify (&se->pre, res_arr_ref, value);
    5690              :         }
    5691              : 
    5692         3281 :       se->expr = result_var;
    5693              :     }
    5694              :   else
    5695         6670 :     se->expr = convert (type, pos[0]);
    5696              : }
    5697              : 
    5698              : /* Emit code for findloc.  */
    5699              : 
    5700              : static void
    5701         1332 : gfc_conv_intrinsic_findloc (gfc_se *se, gfc_expr *expr)
    5702              : {
    5703         1332 :   gfc_actual_arglist *array_arg, *value_arg, *dim_arg, *mask_arg,
    5704              :     *kind_arg, *back_arg;
    5705         1332 :   gfc_expr *value_expr;
    5706         1332 :   int ikind;
    5707         1332 :   tree resvar;
    5708         1332 :   stmtblock_t block;
    5709         1332 :   stmtblock_t body;
    5710         1332 :   stmtblock_t loopblock;
    5711         1332 :   tree type;
    5712         1332 :   tree tmp;
    5713         1332 :   tree found;
    5714         1332 :   tree forward_branch = NULL_TREE;
    5715         1332 :   tree back_branch;
    5716         1332 :   gfc_loopinfo loop;
    5717         1332 :   gfc_ss *arrayss;
    5718         1332 :   gfc_ss *maskss;
    5719         1332 :   gfc_se arrayse;
    5720         1332 :   gfc_se valuese;
    5721         1332 :   gfc_se maskse;
    5722         1332 :   gfc_se backse;
    5723         1332 :   tree exit_label;
    5724         1332 :   gfc_expr *maskexpr;
    5725         1332 :   tree offset;
    5726         1332 :   int i;
    5727         1332 :   bool optional_mask;
    5728              : 
    5729         1332 :   array_arg = expr->value.function.actual;
    5730         1332 :   value_arg = array_arg->next;
    5731         1332 :   dim_arg   = value_arg->next;
    5732         1332 :   mask_arg  = dim_arg->next;
    5733         1332 :   kind_arg  = mask_arg->next;
    5734         1332 :   back_arg  = kind_arg->next;
    5735              : 
    5736              :   /* Remove kind and set ikind.  */
    5737         1332 :   if (kind_arg->expr)
    5738              :     {
    5739            0 :       ikind = mpz_get_si (kind_arg->expr->value.integer);
    5740            0 :       gfc_free_expr (kind_arg->expr);
    5741            0 :       kind_arg->expr = NULL;
    5742              :     }
    5743              :   else
    5744         1332 :     ikind = gfc_default_integer_kind;
    5745              : 
    5746         1332 :   value_expr = value_arg->expr;
    5747              : 
    5748              :   /* Unless it's a string, pass VALUE by value.  */
    5749         1332 :   if (value_expr->ts.type != BT_CHARACTER)
    5750          732 :     value_arg->name = "%VAL";
    5751              : 
    5752              :   /* Pass BACK argument by value.  */
    5753         1332 :   back_arg->name = "%VAL";
    5754              : 
    5755              :   /* Call the library if we have a character function or if
    5756              :      rank > 0.  */
    5757         1332 :   if (se->ss || array_arg->expr->ts.type == BT_CHARACTER)
    5758              :     {
    5759         1200 :       se->ignore_optional = 1;
    5760         1200 :       if (expr->rank == 0)
    5761              :         {
    5762              :           /* Remove dim argument.  */
    5763           84 :           gfc_free_expr (dim_arg->expr);
    5764           84 :           dim_arg->expr = NULL;
    5765              :         }
    5766         1200 :       gfc_conv_intrinsic_funcall (se, expr);
    5767         1200 :       return;
    5768              :     }
    5769              : 
    5770          132 :   type = gfc_get_int_type (ikind);
    5771              : 
    5772              :   /* Initialize the result.  */
    5773          132 :   resvar = gfc_create_var (gfc_array_index_type, "pos");
    5774          132 :   gfc_add_modify (&se->pre, resvar, build_int_cst (gfc_array_index_type, 0));
    5775          132 :   offset = gfc_create_var (gfc_array_index_type, "offset");
    5776              : 
    5777          132 :   maskexpr = mask_arg->expr;
    5778           72 :   optional_mask = maskexpr && maskexpr->expr_type == EXPR_VARIABLE
    5779           60 :     && maskexpr->symtree->n.sym->attr.dummy
    5780          144 :     && maskexpr->symtree->n.sym->attr.optional;
    5781              : 
    5782              :   /*  Generate two loops, one for BACK=.true. and one for BACK=.false.  */
    5783              : 
    5784          396 :   for (i = 0 ; i < 2; i++)
    5785              :     {
    5786              :       /* Walk the arguments.  */
    5787          264 :       arrayss = gfc_walk_expr (array_arg->expr);
    5788          264 :       gcc_assert (arrayss != gfc_ss_terminator);
    5789              : 
    5790          264 :       if (maskexpr && maskexpr->rank != 0)
    5791              :         {
    5792           84 :           maskss = gfc_walk_expr (maskexpr);
    5793           84 :           gcc_assert (maskss != gfc_ss_terminator);
    5794              :         }
    5795              :       else
    5796              :         maskss = NULL;
    5797              : 
    5798              :       /* Initialize the scalarizer.  */
    5799          264 :       gfc_init_loopinfo (&loop);
    5800          264 :       exit_label = gfc_build_label_decl (NULL_TREE);
    5801          264 :       TREE_USED (exit_label) = 1;
    5802              : 
    5803              :       /* We add the mask first because the number of iterations is
    5804              :          taken from the last ss, and this breaks if an absent
    5805              :          optional argument is used for mask.  */
    5806              : 
    5807          264 :       if (maskss)
    5808           84 :         gfc_add_ss_to_loop (&loop, maskss);
    5809          264 :       gfc_add_ss_to_loop (&loop, arrayss);
    5810              : 
    5811              :       /* Initialize the loop.  */
    5812          264 :       gfc_conv_ss_startstride (&loop);
    5813          264 :       gfc_conv_loop_setup (&loop, &expr->where);
    5814              : 
    5815              :       /* Calculate the offset.  */
    5816          264 :       tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
    5817              :                              gfc_index_one_node, loop.from[0]);
    5818          264 :       gfc_add_modify (&loop.pre, offset, tmp);
    5819              : 
    5820          264 :       gfc_mark_ss_chain_used (arrayss, 1);
    5821          264 :       if (maskss)
    5822           84 :         gfc_mark_ss_chain_used (maskss, 1);
    5823              : 
    5824              :       /* The first loop is for BACK=.true.  */
    5825          264 :       if (i == 0)
    5826          132 :         loop.reverse[0] = GFC_REVERSE_SET;
    5827              : 
    5828              :       /* Generate the loop body.  */
    5829          264 :       gfc_start_scalarized_body (&loop, &body);
    5830              : 
    5831              :       /* If we have an array mask, only add the element if it is
    5832              :          set.  */
    5833          264 :       if (maskss)
    5834              :         {
    5835           84 :           gfc_init_se (&maskse, NULL);
    5836           84 :           gfc_copy_loopinfo_to_se (&maskse, &loop);
    5837           84 :           maskse.ss = maskss;
    5838           84 :           gfc_conv_expr_val (&maskse, maskexpr);
    5839           84 :           gfc_add_block_to_block (&body, &maskse.pre);
    5840              :         }
    5841              : 
    5842              :       /* If the condition matches then set the return value.  */
    5843          264 :       gfc_start_block (&block);
    5844              : 
    5845              :       /* Add the offset.  */
    5846          264 :       tmp = fold_build2_loc (input_location, PLUS_EXPR,
    5847          264 :                              TREE_TYPE (resvar),
    5848              :                              loop.loopvar[0], offset);
    5849          264 :       gfc_add_modify (&block, resvar, tmp);
    5850              :       /* And break out of the loop.  */
    5851          264 :       tmp = build1_v (GOTO_EXPR, exit_label);
    5852          264 :       gfc_add_expr_to_block (&block, tmp);
    5853              : 
    5854          264 :       found = gfc_finish_block (&block);
    5855              : 
    5856              :       /* Check this element.  */
    5857          264 :       gfc_init_se (&arrayse, NULL);
    5858          264 :       gfc_copy_loopinfo_to_se (&arrayse, &loop);
    5859          264 :       arrayse.ss = arrayss;
    5860          264 :       gfc_conv_expr_val (&arrayse, array_arg->expr);
    5861          264 :       gfc_add_block_to_block (&body, &arrayse.pre);
    5862              : 
    5863          264 :       gfc_init_se (&valuese, NULL);
    5864          264 :       gfc_conv_expr_val (&valuese, value_arg->expr);
    5865          264 :       gfc_add_block_to_block (&body, &valuese.pre);
    5866              : 
    5867          264 :       tmp = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    5868              :                              arrayse.expr, valuese.expr);
    5869              : 
    5870          264 :       tmp = build3_v (COND_EXPR, tmp, found, build_empty_stmt (input_location));
    5871          264 :       if (maskss)
    5872              :         {
    5873              :           /* We enclose the above in if (mask) {...}.  If the mask is
    5874              :              an optional argument, generate IF (.NOT. PRESENT(MASK)
    5875              :              .OR. MASK(I)). */
    5876              : 
    5877           84 :           tree ifmask;
    5878           84 :           ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    5879           84 :           tmp = build3_v (COND_EXPR, ifmask, tmp,
    5880              :                           build_empty_stmt (input_location));
    5881              :         }
    5882              : 
    5883          264 :       gfc_add_expr_to_block (&body, tmp);
    5884          264 :       gfc_add_block_to_block (&body, &arrayse.post);
    5885              : 
    5886          264 :       gfc_trans_scalarizing_loops (&loop, &body);
    5887              : 
    5888              :       /* Add the exit label.  */
    5889          264 :       tmp = build1_v (LABEL_EXPR, exit_label);
    5890          264 :       gfc_add_expr_to_block (&loop.pre, tmp);
    5891          264 :       gfc_start_block (&loopblock);
    5892          264 :       gfc_add_block_to_block (&loopblock, &loop.pre);
    5893          264 :       gfc_add_block_to_block (&loopblock, &loop.post);
    5894          264 :       if (i == 0)
    5895          132 :         forward_branch = gfc_finish_block (&loopblock);
    5896              :       else
    5897          132 :         back_branch = gfc_finish_block (&loopblock);
    5898              : 
    5899          264 :       gfc_cleanup_loop (&loop);
    5900              :     }
    5901              : 
    5902              :   /* Enclose the two loops in an IF statement.  */
    5903              : 
    5904          132 :   gfc_init_se (&backse, NULL);
    5905          132 :   gfc_conv_expr_val (&backse, back_arg->expr);
    5906          132 :   gfc_add_block_to_block (&se->pre, &backse.pre);
    5907          132 :   tmp = build3_v (COND_EXPR, backse.expr, forward_branch, back_branch);
    5908              : 
    5909              :   /* For a scalar mask, enclose the loop in an if statement.  */
    5910          132 :   if (maskexpr && maskss == NULL)
    5911              :     {
    5912           30 :       tree ifmask;
    5913           30 :       tree if_stmt;
    5914              : 
    5915           30 :       gfc_init_se (&maskse, NULL);
    5916           30 :       gfc_conv_expr_val (&maskse, maskexpr);
    5917           30 :       gfc_init_block (&block);
    5918           30 :       gfc_add_expr_to_block (&block, maskse.expr);
    5919           30 :       ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    5920           30 :       if_stmt = build3_v (COND_EXPR, ifmask, tmp,
    5921              :                           build_empty_stmt (input_location));
    5922           30 :       gfc_add_expr_to_block (&block, if_stmt);
    5923           30 :       tmp = gfc_finish_block (&block);
    5924              :     }
    5925              : 
    5926          132 :   gfc_add_expr_to_block (&se->pre, tmp);
    5927          132 :   se->expr = convert (type, resvar);
    5928              : 
    5929              : }
    5930              : 
    5931              : /* Emit code for fstat, lstat and stat intrinsic subroutines.  */
    5932              : 
    5933              : static tree
    5934           55 : conv_intrinsic_fstat_lstat_stat_sub (gfc_code *code)
    5935              : {
    5936           55 :   stmtblock_t block;
    5937           55 :   gfc_se se, se_stat;
    5938           55 :   tree unit = NULL_TREE;
    5939           55 :   tree name = NULL_TREE;
    5940           55 :   tree slen = NULL_TREE;
    5941           55 :   tree vals;
    5942           55 :   tree arg3 = NULL_TREE;
    5943           55 :   tree stat = NULL_TREE ;
    5944           55 :   tree present = NULL_TREE;
    5945           55 :   tree tmp;
    5946           55 :   int kind;
    5947              : 
    5948           55 :   gfc_init_block (&block);
    5949           55 :   gfc_init_se (&se, NULL);
    5950              : 
    5951           55 :   switch (code->resolved_isym->id)
    5952              :     {
    5953           21 :     case GFC_ISYM_FSTAT:
    5954              :       /* Deal with the UNIT argument.  */
    5955           21 :       gfc_conv_expr (&se, code->ext.actual->expr);
    5956           21 :       gfc_add_block_to_block (&block, &se.pre);
    5957           21 :       unit = gfc_evaluate_now (se.expr, &block);
    5958           21 :       unit = gfc_build_addr_expr (NULL_TREE, unit);
    5959           21 :       gfc_add_block_to_block (&block, &se.post);
    5960           21 :       break;
    5961              : 
    5962           34 :     case GFC_ISYM_LSTAT:
    5963           34 :     case GFC_ISYM_STAT:
    5964              :       /* Deal with the NAME argument.  */
    5965           34 :       gfc_conv_expr (&se, code->ext.actual->expr);
    5966           34 :       gfc_conv_string_parameter (&se);
    5967           34 :       gfc_add_block_to_block (&block, &se.pre);
    5968           34 :       name = se.expr;
    5969           34 :       slen = se.string_length;
    5970           34 :       gfc_add_block_to_block (&block, &se.post);
    5971           34 :       break;
    5972              : 
    5973            0 :     default:
    5974            0 :       gcc_unreachable ();
    5975              :     }
    5976              : 
    5977              :   /* Deal with the VALUES argument.  */
    5978           55 :   gfc_init_se (&se, NULL);
    5979           55 :   gfc_conv_expr_descriptor (&se, code->ext.actual->next->expr);
    5980           55 :   vals = gfc_build_addr_expr (NULL_TREE, se.expr);
    5981           55 :   gfc_add_block_to_block (&block, &se.pre);
    5982           55 :   gfc_add_block_to_block (&block, &se.post);
    5983           55 :   kind = code->ext.actual->next->expr->ts.kind;
    5984              : 
    5985              :   /* Deal with an optional STATUS.  */
    5986           55 :   if (code->ext.actual->next->next->expr)
    5987              :     {
    5988           45 :       gfc_init_se (&se_stat, NULL);
    5989           45 :       gfc_conv_expr (&se_stat, code->ext.actual->next->next->expr);
    5990           45 :       stat = gfc_create_var (gfc_get_int_type (kind), "_stat");
    5991           45 :       arg3 = gfc_build_addr_expr (NULL_TREE, stat);
    5992              : 
    5993              :       /* Handle case of status being an optional dummy.  */
    5994           45 :       gfc_symbol *sym = code->ext.actual->next->next->expr->symtree->n.sym;
    5995           45 :       if (sym->attr.dummy && sym->attr.optional)
    5996              :         {
    5997            6 :           present = gfc_conv_expr_present (sym);
    5998           12 :           arg3 = fold_build3_loc (input_location, COND_EXPR,
    5999            6 :                                   TREE_TYPE (arg3), present, arg3,
    6000            6 :                                   fold_convert (TREE_TYPE (arg3),
    6001              :                                                 null_pointer_node));
    6002              :         }
    6003              :     }
    6004              : 
    6005              :   /* Call library function depending on KIND of VALUES argument.  */
    6006           55 :   switch (code->resolved_isym->id)
    6007              :     {
    6008           21 :     case GFC_ISYM_FSTAT:
    6009           21 :       tmp = (kind == 4 ? gfor_fndecl_fstat_i4_sub : gfor_fndecl_fstat_i8_sub);
    6010              :       break;
    6011           14 :     case GFC_ISYM_LSTAT:
    6012           14 :       tmp = (kind == 4 ? gfor_fndecl_lstat_i4_sub : gfor_fndecl_lstat_i8_sub);
    6013              :       break;
    6014           20 :     case GFC_ISYM_STAT:
    6015           20 :       tmp = (kind == 4 ? gfor_fndecl_stat_i4_sub : gfor_fndecl_stat_i8_sub);
    6016              :       break;
    6017            0 :     default:
    6018            0 :       gcc_unreachable ();
    6019              :     }
    6020              : 
    6021           55 :   if (code->resolved_isym->id == GFC_ISYM_FSTAT)
    6022           21 :     tmp = build_call_expr_loc (input_location, tmp, 3, unit, vals,
    6023              :                                stat ? arg3 : null_pointer_node);
    6024              :   else
    6025           34 :     tmp = build_call_expr_loc (input_location, tmp, 4, name, vals,
    6026              :                                stat ? arg3 : null_pointer_node, slen);
    6027           55 :   gfc_add_expr_to_block (&block, tmp);
    6028              : 
    6029              :   /* Handle kind conversion of status.  */
    6030           55 :   if (stat && stat != se_stat.expr)
    6031              :     {
    6032           45 :       stmtblock_t block2;
    6033              : 
    6034           45 :       gfc_init_block (&block2);
    6035           45 :       gfc_add_modify (&block2, se_stat.expr,
    6036           45 :                       fold_convert (TREE_TYPE (se_stat.expr), stat));
    6037              : 
    6038           45 :       if (present)
    6039              :         {
    6040            6 :           tmp = build3_v (COND_EXPR, present, gfc_finish_block (&block2),
    6041              :                           build_empty_stmt (input_location));
    6042            6 :           gfc_add_expr_to_block (&block, tmp);
    6043              :         }
    6044              :       else
    6045           39 :         gfc_add_block_to_block (&block, &block2);
    6046              :     }
    6047              : 
    6048           55 :   return gfc_finish_block (&block);
    6049              : }
    6050              : 
    6051              : /* Emit code for minval or maxval intrinsic.  There are many different cases
    6052              :    we need to handle.  For performance reasons we sometimes create two
    6053              :    loops instead of one, where the second one is much simpler.
    6054              :    Examples for minval intrinsic:
    6055              :    1) Result is an array, a call is generated
    6056              :    2) Array mask is used and NaNs need to be supported, rank 1:
    6057              :       limit = Infinity;
    6058              :       nonempty = false;
    6059              :       S = from;
    6060              :       while (S <= to) {
    6061              :         if (mask[S]) {
    6062              :           nonempty = true;
    6063              :           if (a[S] <= limit) {
    6064              :             limit = a[S];
    6065              :             S++;
    6066              :             goto lab;
    6067              :           }
    6068              :         else
    6069              :           S++;
    6070              :         }
    6071              :       }
    6072              :       limit = nonempty ? NaN : huge (limit);
    6073              :       lab:
    6074              :       while (S <= to) { if(mask[S]) limit = min (a[S], limit); S++; }
    6075              :    3) NaNs need to be supported, but it is known at compile time or cheaply
    6076              :       at runtime whether array is nonempty or not, rank 1:
    6077              :       limit = Infinity;
    6078              :       S = from;
    6079              :       while (S <= to) {
    6080              :         if (a[S] <= limit) {
    6081              :           limit = a[S];
    6082              :           S++;
    6083              :           goto lab;
    6084              :           }
    6085              :         else
    6086              :           S++;
    6087              :       }
    6088              :       limit = (from <= to) ? NaN : huge (limit);
    6089              :       lab:
    6090              :       while (S <= to) { limit = min (a[S], limit); S++; }
    6091              :    4) Array mask is used and NaNs need to be supported, rank > 1:
    6092              :       limit = Infinity;
    6093              :       nonempty = false;
    6094              :       fast = false;
    6095              :       S1 = from1;
    6096              :       while (S1 <= to1) {
    6097              :         S2 = from2;
    6098              :         while (S2 <= to2) {
    6099              :           if (mask[S1][S2]) {
    6100              :             if (fast) limit = min (a[S1][S2], limit);
    6101              :             else {
    6102              :               nonempty = true;
    6103              :               if (a[S1][S2] <= limit) {
    6104              :                 limit = a[S1][S2];
    6105              :                 fast = true;
    6106              :               }
    6107              :             }
    6108              :           }
    6109              :           S2++;
    6110              :         }
    6111              :         S1++;
    6112              :       }
    6113              :       if (!fast)
    6114              :         limit = nonempty ? NaN : huge (limit);
    6115              :    5) NaNs need to be supported, but it is known at compile time or cheaply
    6116              :       at runtime whether array is nonempty or not, rank > 1:
    6117              :       limit = Infinity;
    6118              :       fast = false;
    6119              :       S1 = from1;
    6120              :       while (S1 <= to1) {
    6121              :         S2 = from2;
    6122              :         while (S2 <= to2) {
    6123              :           if (fast) limit = min (a[S1][S2], limit);
    6124              :           else {
    6125              :             if (a[S1][S2] <= limit) {
    6126              :               limit = a[S1][S2];
    6127              :               fast = true;
    6128              :             }
    6129              :           }
    6130              :           S2++;
    6131              :         }
    6132              :         S1++;
    6133              :       }
    6134              :       if (!fast)
    6135              :         limit = (nonempty_array) ? NaN : huge (limit);
    6136              :    6) NaNs aren't supported, but infinities are.  Array mask is used:
    6137              :       limit = Infinity;
    6138              :       nonempty = false;
    6139              :       S = from;
    6140              :       while (S <= to) {
    6141              :         if (mask[S]) { nonempty = true; limit = min (a[S], limit); }
    6142              :         S++;
    6143              :       }
    6144              :       limit = nonempty ? limit : huge (limit);
    6145              :    7) Same without array mask:
    6146              :       limit = Infinity;
    6147              :       S = from;
    6148              :       while (S <= to) { limit = min (a[S], limit); S++; }
    6149              :       limit = (from <= to) ? limit : huge (limit);
    6150              :    8) Neither NaNs nor infinities are supported (-ffast-math or BT_INTEGER):
    6151              :       limit = huge (limit);
    6152              :       S = from;
    6153              :       while (S <= to) { limit = min (a[S], limit); S++); }
    6154              :       (or
    6155              :       while (S <= to) { if (mask[S]) limit = min (a[S], limit); S++; }
    6156              :       with array mask instead).
    6157              :    For 3), 5), 7) and 8), if mask is scalar, this all goes into a conditional,
    6158              :    setting limit = huge (limit); in the else branch.  */
    6159              : 
    6160              : static void
    6161         2417 : gfc_conv_intrinsic_minmaxval (gfc_se * se, gfc_expr * expr, enum tree_code op)
    6162              : {
    6163         2417 :   tree limit;
    6164         2417 :   tree type;
    6165         2417 :   tree tmp;
    6166         2417 :   tree ifbody;
    6167         2417 :   tree nonempty;
    6168         2417 :   tree nonempty_var;
    6169         2417 :   tree lab;
    6170         2417 :   tree fast;
    6171         2417 :   tree huge_cst = NULL, nan_cst = NULL;
    6172         2417 :   stmtblock_t body;
    6173         2417 :   stmtblock_t block, block2;
    6174         2417 :   gfc_loopinfo loop;
    6175         2417 :   gfc_actual_arglist *actual;
    6176         2417 :   gfc_ss *arrayss;
    6177         2417 :   gfc_ss *maskss;
    6178         2417 :   gfc_se arrayse;
    6179         2417 :   gfc_se maskse;
    6180         2417 :   gfc_expr *arrayexpr;
    6181         2417 :   gfc_expr *maskexpr;
    6182         2417 :   int n;
    6183         2417 :   bool optional_mask;
    6184              : 
    6185         2417 :   if (se->ss)
    6186              :     {
    6187            0 :       gfc_conv_intrinsic_funcall (se, expr);
    6188          186 :       return;
    6189              :     }
    6190              : 
    6191         2417 :   actual = expr->value.function.actual;
    6192         2417 :   arrayexpr = actual->expr;
    6193              : 
    6194         2417 :   if (arrayexpr->ts.type == BT_CHARACTER)
    6195              :     {
    6196          186 :       gfc_actual_arglist *dim = actual->next;
    6197          186 :       if (expr->rank == 0 && dim->expr != 0)
    6198              :         {
    6199            6 :           gfc_free_expr (dim->expr);
    6200            6 :           dim->expr = NULL;
    6201              :         }
    6202          186 :       gfc_conv_intrinsic_funcall (se, expr);
    6203          186 :       return;
    6204              :     }
    6205              : 
    6206         2231 :   type = gfc_typenode_for_spec (&expr->ts);
    6207              :   /* Initialize the result.  */
    6208         2231 :   limit = gfc_create_var (type, "limit");
    6209         2231 :   n = gfc_validate_kind (expr->ts.type, expr->ts.kind, false);
    6210         2231 :   switch (expr->ts.type)
    6211              :     {
    6212         1245 :     case BT_REAL:
    6213         1245 :       huge_cst = gfc_conv_mpfr_to_tree (gfc_real_kinds[n].huge,
    6214              :                                         expr->ts.kind, 0);
    6215         1245 :       if (HONOR_INFINITIES (DECL_MODE (limit)))
    6216              :         {
    6217         1241 :           REAL_VALUE_TYPE real;
    6218         1241 :           real_inf (&real);
    6219         1241 :           tmp = build_real (type, real);
    6220              :         }
    6221              :       else
    6222              :         tmp = huge_cst;
    6223         1245 :       if (HONOR_NANS (DECL_MODE (limit)))
    6224         1241 :         nan_cst = gfc_build_nan (type, "");
    6225              :       break;
    6226              : 
    6227          956 :     case BT_INTEGER:
    6228          956 :       tmp = gfc_conv_mpz_to_tree (gfc_integer_kinds[n].huge, expr->ts.kind);
    6229          956 :       break;
    6230              : 
    6231           30 :     case BT_UNSIGNED:
    6232              :       /* For MAXVAL, the minimum is zero, for MINVAL it is HUGE().  */
    6233           30 :       if (op == GT_EXPR)
    6234           18 :         tmp = build_int_cst (type, 0);
    6235              :       else
    6236           12 :         tmp = gfc_conv_mpz_unsigned_to_tree (gfc_unsigned_kinds[n].huge,
    6237              :                                              expr->ts.kind);
    6238              :       break;
    6239              : 
    6240            0 :     default:
    6241            0 :       gcc_unreachable ();
    6242              :     }
    6243              : 
    6244              :   /* We start with the most negative possible value for MAXVAL, and the most
    6245              :      positive possible value for MINVAL. The most negative possible value is
    6246              :      -HUGE for BT_REAL and (-HUGE - 1) for BT_INTEGER; the most positive
    6247              :      possible value is HUGE in both cases.   BT_UNSIGNED has already been dealt
    6248              :      with above.  */
    6249         2231 :   if (op == GT_EXPR && expr->ts.type != BT_UNSIGNED)
    6250              :     {
    6251          987 :       tmp = fold_build1_loc (input_location, NEGATE_EXPR, TREE_TYPE (tmp), tmp);
    6252          987 :       if (huge_cst)
    6253          560 :         huge_cst = fold_build1_loc (input_location, NEGATE_EXPR,
    6254          560 :                                     TREE_TYPE (huge_cst), huge_cst);
    6255              :     }
    6256              : 
    6257         1005 :   if (op == GT_EXPR && expr->ts.type == BT_INTEGER)
    6258          427 :     tmp = fold_build2_loc (input_location, MINUS_EXPR, TREE_TYPE (tmp),
    6259              :                            tmp, build_int_cst (type, 1));
    6260              : 
    6261         2231 :   gfc_add_modify (&se->pre, limit, tmp);
    6262              : 
    6263              :   /* Walk the arguments.  */
    6264         2231 :   arrayss = gfc_walk_expr (arrayexpr);
    6265         2231 :   gcc_assert (arrayss != gfc_ss_terminator);
    6266              : 
    6267         2231 :   actual = actual->next->next;
    6268         2231 :   gcc_assert (actual);
    6269         2231 :   maskexpr = actual->expr;
    6270         1572 :   optional_mask = maskexpr && maskexpr->expr_type == EXPR_VARIABLE
    6271         1560 :     && maskexpr->symtree->n.sym->attr.dummy
    6272         2243 :     && maskexpr->symtree->n.sym->attr.optional;
    6273         2777 :   nonempty = NULL;
    6274         1572 :   if (maskexpr && maskexpr->rank != 0)
    6275              :     {
    6276         1026 :       maskss = gfc_walk_expr (maskexpr);
    6277         1026 :       gcc_assert (maskss != gfc_ss_terminator);
    6278              :     }
    6279              :   else
    6280              :     {
    6281         1205 :       mpz_t asize;
    6282         1205 :       if (gfc_array_size (arrayexpr, &asize))
    6283              :         {
    6284          678 :           nonempty = gfc_conv_mpz_to_tree (asize, gfc_index_integer_kind);
    6285          678 :           mpz_clear (asize);
    6286          678 :           nonempty = fold_build2_loc (input_location, GT_EXPR,
    6287              :                                       logical_type_node, nonempty,
    6288              :                                       gfc_index_zero_node);
    6289              :         }
    6290         1205 :       maskss = NULL;
    6291              :     }
    6292              : 
    6293              :   /* Initialize the scalarizer.  */
    6294         2231 :   gfc_init_loopinfo (&loop);
    6295              : 
    6296              :   /* We add the mask first because the number of iterations is taken
    6297              :      from the last ss, and this breaks if an absent optional argument
    6298              :      is used for mask.  */
    6299              : 
    6300         2231 :   if (maskss)
    6301         1026 :     gfc_add_ss_to_loop (&loop, maskss);
    6302         2231 :   gfc_add_ss_to_loop (&loop, arrayss);
    6303              : 
    6304              :   /* Initialize the loop.  */
    6305         2231 :   gfc_conv_ss_startstride (&loop);
    6306              : 
    6307              :   /* The code generated can have more than one loop in sequence (see the
    6308              :      comment at the function header).  This doesn't work well with the
    6309              :      scalarizer, which changes arrays' offset when the scalarization loops
    6310              :      are generated (see gfc_trans_preloop_setup).  Fortunately, {min,max}val
    6311              :      are  currently inlined in the scalar case only.  As there is no dependency
    6312              :      to care about in that case, there is no temporary, so that we can use the
    6313              :      scalarizer temporary code to handle multiple loops.  Thus, we set temp_dim
    6314              :      here, we call gfc_mark_ss_chain_used with flag=3 later, and we use
    6315              :      gfc_trans_scalarized_loop_boundary even later to restore offset.
    6316              :      TODO: this prevents inlining of rank > 0 minmaxval calls, so this
    6317              :      should eventually go away.  We could either create two loops properly,
    6318              :      or find another way to save/restore the array offsets between the two
    6319              :      loops (without conflicting with temporary management), or use a single
    6320              :      loop minmaxval implementation.  See PR 31067.  */
    6321         2231 :   loop.temp_dim = loop.dimen;
    6322         2231 :   gfc_conv_loop_setup (&loop, &expr->where);
    6323              : 
    6324         2231 :   if (nonempty == NULL && maskss == NULL
    6325          527 :       && loop.dimen == 1 && loop.from[0] && loop.to[0])
    6326          491 :     nonempty = fold_build2_loc (input_location, LE_EXPR, logical_type_node,
    6327              :                                 loop.from[0], loop.to[0]);
    6328         2231 :   nonempty_var = NULL;
    6329         2231 :   if (nonempty == NULL
    6330         2231 :       && (HONOR_INFINITIES (DECL_MODE (limit))
    6331          480 :           || HONOR_NANS (DECL_MODE (limit))))
    6332              :     {
    6333          582 :       nonempty_var = gfc_create_var (logical_type_node, "nonempty");
    6334          582 :       gfc_add_modify (&se->pre, nonempty_var, logical_false_node);
    6335          582 :       nonempty = nonempty_var;
    6336              :     }
    6337         2231 :   lab = NULL;
    6338         2231 :   fast = NULL;
    6339         2231 :   if (HONOR_NANS (DECL_MODE (limit)))
    6340              :     {
    6341         1241 :       if (loop.dimen == 1)
    6342              :         {
    6343          821 :           lab = gfc_build_label_decl (NULL_TREE);
    6344          821 :           TREE_USED (lab) = 1;
    6345              :         }
    6346              :       else
    6347              :         {
    6348          420 :           fast = gfc_create_var (logical_type_node, "fast");
    6349          420 :           gfc_add_modify (&se->pre, fast, logical_false_node);
    6350              :         }
    6351              :     }
    6352              : 
    6353         2231 :   gfc_mark_ss_chain_used (arrayss, lab ? 3 : 1);
    6354         2231 :   if (maskss)
    6355         1704 :     gfc_mark_ss_chain_used (maskss, lab ? 3 : 1);
    6356              :   /* Generate the loop body.  */
    6357         2231 :   gfc_start_scalarized_body (&loop, &body);
    6358              : 
    6359              :   /* If we have a mask, only add this element if the mask is set.  */
    6360         2231 :   if (maskss)
    6361              :     {
    6362         1026 :       gfc_init_se (&maskse, NULL);
    6363         1026 :       gfc_copy_loopinfo_to_se (&maskse, &loop);
    6364         1026 :       maskse.ss = maskss;
    6365         1026 :       gfc_conv_expr_val (&maskse, maskexpr);
    6366         1026 :       gfc_add_block_to_block (&body, &maskse.pre);
    6367              : 
    6368         1026 :       gfc_start_block (&block);
    6369              :     }
    6370              :   else
    6371         1205 :     gfc_init_block (&block);
    6372              : 
    6373              :   /* Compare with the current limit.  */
    6374         2231 :   gfc_init_se (&arrayse, NULL);
    6375         2231 :   gfc_copy_loopinfo_to_se (&arrayse, &loop);
    6376         2231 :   arrayse.ss = arrayss;
    6377         2231 :   gfc_conv_expr_val (&arrayse, arrayexpr);
    6378         2231 :   arrayse.expr = gfc_evaluate_now (arrayse.expr, &arrayse.pre);
    6379         2231 :   gfc_add_block_to_block (&block, &arrayse.pre);
    6380              : 
    6381         2231 :   gfc_init_block (&block2);
    6382              : 
    6383         2231 :   if (nonempty_var)
    6384          582 :     gfc_add_modify (&block2, nonempty_var, logical_true_node);
    6385              : 
    6386         2231 :   if (HONOR_NANS (DECL_MODE (limit)))
    6387              :     {
    6388         1922 :       tmp = fold_build2_loc (input_location, op == GT_EXPR ? GE_EXPR : LE_EXPR,
    6389              :                              logical_type_node, arrayse.expr, limit);
    6390         1241 :       if (lab)
    6391              :         {
    6392          821 :           stmtblock_t ifblock;
    6393          821 :           tree inc_loop;
    6394          821 :           inc_loop = fold_build2_loc (input_location, PLUS_EXPR,
    6395          821 :                                       TREE_TYPE (loop.loopvar[0]),
    6396              :                                       loop.loopvar[0], gfc_index_one_node);
    6397          821 :           gfc_init_block (&ifblock);
    6398          821 :           gfc_add_modify (&ifblock, limit, arrayse.expr);
    6399          821 :           gfc_add_modify (&ifblock, loop.loopvar[0], inc_loop);
    6400          821 :           gfc_add_expr_to_block (&ifblock, build1_v (GOTO_EXPR, lab));
    6401          821 :           ifbody = gfc_finish_block (&ifblock);
    6402              :         }
    6403              :       else
    6404              :         {
    6405          420 :           stmtblock_t ifblock;
    6406              : 
    6407          420 :           gfc_init_block (&ifblock);
    6408          420 :           gfc_add_modify (&ifblock, limit, arrayse.expr);
    6409          420 :           gfc_add_modify (&ifblock, fast, logical_true_node);
    6410          420 :           ifbody = gfc_finish_block (&ifblock);
    6411              :         }
    6412         1241 :       tmp = build3_v (COND_EXPR, tmp, ifbody,
    6413              :                       build_empty_stmt (input_location));
    6414         1241 :       gfc_add_expr_to_block (&block2, tmp);
    6415              :     }
    6416              :   else
    6417              :     {
    6418              :       /* MIN_EXPR/MAX_EXPR has unspecified behavior with NaNs or
    6419              :          signed zeros.  */
    6420         1535 :       tmp = fold_build2_loc (input_location,
    6421              :                              op == GT_EXPR ? MAX_EXPR : MIN_EXPR,
    6422              :                              type, arrayse.expr, limit);
    6423          990 :       gfc_add_modify (&block2, limit, tmp);
    6424              :     }
    6425              : 
    6426         2231 :   if (fast)
    6427              :     {
    6428          420 :       tree elsebody = gfc_finish_block (&block2);
    6429              : 
    6430              :       /* MIN_EXPR/MAX_EXPR has unspecified behavior with NaNs or
    6431              :          signed zeros.  */
    6432          420 :       if (HONOR_NANS (DECL_MODE (limit)))
    6433              :         {
    6434          420 :           tmp = fold_build2_loc (input_location, op, logical_type_node,
    6435              :                                  arrayse.expr, limit);
    6436          420 :           ifbody = build2_v (MODIFY_EXPR, limit, arrayse.expr);
    6437          420 :           ifbody = build3_v (COND_EXPR, tmp, ifbody,
    6438              :                              build_empty_stmt (input_location));
    6439              :         }
    6440              :       else
    6441              :         {
    6442            0 :           tmp = fold_build2_loc (input_location,
    6443              :                                  op == GT_EXPR ? MAX_EXPR : MIN_EXPR,
    6444              :                                  type, arrayse.expr, limit);
    6445            0 :           ifbody = build2_v (MODIFY_EXPR, limit, tmp);
    6446              :         }
    6447          420 :       tmp = build3_v (COND_EXPR, fast, ifbody, elsebody);
    6448          420 :       gfc_add_expr_to_block (&block, tmp);
    6449              :     }
    6450              :   else
    6451         1811 :     gfc_add_block_to_block (&block, &block2);
    6452              : 
    6453         2231 :   gfc_add_block_to_block (&block, &arrayse.post);
    6454              : 
    6455         2231 :   tmp = gfc_finish_block (&block);
    6456         2231 :   if (maskss)
    6457              :     {
    6458              :       /* We enclose the above in if (mask) {...}.  If the mask is an
    6459              :          optional argument, generate IF (.NOT. PRESENT(MASK)
    6460              :          .OR. MASK(I)).  */
    6461         1026 :       tree ifmask;
    6462         1026 :       ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    6463         1026 :       tmp = build3_v (COND_EXPR, ifmask, tmp,
    6464              :                       build_empty_stmt (input_location));
    6465              :     }
    6466         2231 :   gfc_add_expr_to_block (&body, tmp);
    6467              : 
    6468         2231 :   if (lab)
    6469              :     {
    6470          821 :       gfc_trans_scalarized_loop_boundary (&loop, &body);
    6471              : 
    6472          821 :       tmp = fold_build3_loc (input_location, COND_EXPR, type, nonempty,
    6473              :                              nan_cst, huge_cst);
    6474          821 :       gfc_add_modify (&loop.code[0], limit, tmp);
    6475          821 :       gfc_add_expr_to_block (&loop.code[0], build1_v (LABEL_EXPR, lab));
    6476              : 
    6477              :       /* If we have a mask, only add this element if the mask is set.  */
    6478          821 :       if (maskss)
    6479              :         {
    6480          348 :           gfc_init_se (&maskse, NULL);
    6481          348 :           gfc_copy_loopinfo_to_se (&maskse, &loop);
    6482          348 :           maskse.ss = maskss;
    6483          348 :           gfc_conv_expr_val (&maskse, maskexpr);
    6484          348 :           gfc_add_block_to_block (&body, &maskse.pre);
    6485              : 
    6486          348 :           gfc_start_block (&block);
    6487              :         }
    6488              :       else
    6489          473 :         gfc_init_block (&block);
    6490              : 
    6491              :       /* Compare with the current limit.  */
    6492          821 :       gfc_init_se (&arrayse, NULL);
    6493          821 :       gfc_copy_loopinfo_to_se (&arrayse, &loop);
    6494          821 :       arrayse.ss = arrayss;
    6495          821 :       gfc_conv_expr_val (&arrayse, arrayexpr);
    6496          821 :       arrayse.expr = gfc_evaluate_now (arrayse.expr, &arrayse.pre);
    6497          821 :       gfc_add_block_to_block (&block, &arrayse.pre);
    6498              : 
    6499              :       /* MIN_EXPR/MAX_EXPR has unspecified behavior with NaNs or
    6500              :          signed zeros.  */
    6501          821 :       if (HONOR_NANS (DECL_MODE (limit)))
    6502              :         {
    6503          821 :           tmp = fold_build2_loc (input_location, op, logical_type_node,
    6504              :                                  arrayse.expr, limit);
    6505          821 :           ifbody = build2_v (MODIFY_EXPR, limit, arrayse.expr);
    6506          821 :           tmp = build3_v (COND_EXPR, tmp, ifbody,
    6507              :                           build_empty_stmt (input_location));
    6508          821 :           gfc_add_expr_to_block (&block, tmp);
    6509              :         }
    6510              :       else
    6511              :         {
    6512            0 :           tmp = fold_build2_loc (input_location,
    6513              :                                  op == GT_EXPR ? MAX_EXPR : MIN_EXPR,
    6514              :                                  type, arrayse.expr, limit);
    6515            0 :           gfc_add_modify (&block, limit, tmp);
    6516              :         }
    6517              : 
    6518          821 :       gfc_add_block_to_block (&block, &arrayse.post);
    6519              : 
    6520          821 :       tmp = gfc_finish_block (&block);
    6521          821 :       if (maskss)
    6522              :         /* We enclose the above in if (mask) {...}.  */
    6523              :         {
    6524          348 :           tree ifmask;
    6525          348 :           ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    6526          348 :           tmp = build3_v (COND_EXPR, ifmask, tmp,
    6527              :                           build_empty_stmt (input_location));
    6528              :         }
    6529              : 
    6530          821 :       gfc_add_expr_to_block (&body, tmp);
    6531              :       /* Avoid initializing loopvar[0] again, it should be left where
    6532              :          it finished by the first loop.  */
    6533          821 :       loop.from[0] = loop.loopvar[0];
    6534              :     }
    6535         2231 :   gfc_trans_scalarizing_loops (&loop, &body);
    6536              : 
    6537         2231 :   if (fast)
    6538              :     {
    6539          420 :       tmp = fold_build3_loc (input_location, COND_EXPR, type, nonempty,
    6540              :                              nan_cst, huge_cst);
    6541          420 :       ifbody = build2_v (MODIFY_EXPR, limit, tmp);
    6542          420 :       tmp = build3_v (COND_EXPR, fast, build_empty_stmt (input_location),
    6543              :                       ifbody);
    6544          420 :       gfc_add_expr_to_block (&loop.pre, tmp);
    6545              :     }
    6546         1811 :   else if (HONOR_INFINITIES (DECL_MODE (limit)) && !lab)
    6547              :     {
    6548            0 :       tmp = fold_build3_loc (input_location, COND_EXPR, type, nonempty, limit,
    6549              :                              huge_cst);
    6550            0 :       gfc_add_modify (&loop.pre, limit, tmp);
    6551              :     }
    6552              : 
    6553              :   /* For a scalar mask, enclose the loop in an if statement.  */
    6554         2231 :   if (maskexpr && maskss == NULL)
    6555              :     {
    6556          546 :       tree else_stmt;
    6557          546 :       tree ifmask;
    6558              : 
    6559          546 :       gfc_init_se (&maskse, NULL);
    6560          546 :       gfc_conv_expr_val (&maskse, maskexpr);
    6561          546 :       gfc_init_block (&block);
    6562          546 :       gfc_add_block_to_block (&block, &loop.pre);
    6563          546 :       gfc_add_block_to_block (&block, &loop.post);
    6564          546 :       tmp = gfc_finish_block (&block);
    6565              : 
    6566          546 :       if (HONOR_INFINITIES (DECL_MODE (limit)))
    6567          354 :         else_stmt = build2_v (MODIFY_EXPR, limit, huge_cst);
    6568              :       else
    6569          192 :         else_stmt = build_empty_stmt (input_location);
    6570              : 
    6571          546 :       ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    6572          546 :       tmp = build3_v (COND_EXPR, ifmask, tmp, else_stmt);
    6573          546 :       gfc_add_expr_to_block (&block, tmp);
    6574          546 :       gfc_add_block_to_block (&se->pre, &block);
    6575              :     }
    6576              :   else
    6577              :     {
    6578         1685 :       gfc_add_block_to_block (&se->pre, &loop.pre);
    6579         1685 :       gfc_add_block_to_block (&se->pre, &loop.post);
    6580              :     }
    6581              : 
    6582         2231 :   gfc_cleanup_loop (&loop);
    6583              : 
    6584         2231 :   se->expr = limit;
    6585              : }
    6586              : 
    6587              : /* BTEST (i, pos) = (i & (1 << pos)) != 0.  */
    6588              : static void
    6589          145 : gfc_conv_intrinsic_btest (gfc_se * se, gfc_expr * expr)
    6590              : {
    6591          145 :   tree args[2];
    6592          145 :   tree type;
    6593          145 :   tree tmp;
    6594              : 
    6595          145 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    6596          145 :   type = TREE_TYPE (args[0]);
    6597              : 
    6598              :   /* Optionally generate code for runtime argument check.  */
    6599          145 :   if (gfc_option.rtcheck & GFC_RTCHECK_BITS)
    6600              :     {
    6601            6 :       tree below = fold_build2_loc (input_location, LT_EXPR,
    6602              :                                     logical_type_node, args[1],
    6603            6 :                                     build_int_cst (TREE_TYPE (args[1]), 0));
    6604            6 :       tree nbits = build_int_cst (TREE_TYPE (args[1]), TYPE_PRECISION (type));
    6605            6 :       tree above = fold_build2_loc (input_location, GE_EXPR,
    6606              :                                     logical_type_node, args[1], nbits);
    6607            6 :       tree scond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    6608              :                                     logical_type_node, below, above);
    6609            6 :       gfc_trans_runtime_check (true, false, scond, &se->pre, &expr->where,
    6610              :                                "POS argument (%ld) out of range 0:%ld "
    6611              :                                "in intrinsic BTEST",
    6612              :                                fold_convert (long_integer_type_node, args[1]),
    6613              :                                fold_convert (long_integer_type_node, nbits));
    6614              :     }
    6615              : 
    6616          145 :   tmp = fold_build2_loc (input_location, LSHIFT_EXPR, type,
    6617              :                          build_int_cst (type, 1), args[1]);
    6618          145 :   tmp = fold_build2_loc (input_location, BIT_AND_EXPR, type, args[0], tmp);
    6619          145 :   tmp = fold_build2_loc (input_location, NE_EXPR, logical_type_node, tmp,
    6620              :                          build_int_cst (type, 0));
    6621          145 :   type = gfc_typenode_for_spec (&expr->ts);
    6622          145 :   se->expr = convert (type, tmp);
    6623          145 : }
    6624              : 
    6625              : 
    6626              : /* Generate code for BGE, BGT, BLE and BLT intrinsics.  */
    6627              : static void
    6628          216 : gfc_conv_intrinsic_bitcomp (gfc_se * se, gfc_expr * expr, enum tree_code op)
    6629              : {
    6630          216 :   tree args[2];
    6631              : 
    6632          216 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    6633              : 
    6634              :   /* Convert both arguments to the unsigned type of the same size.  */
    6635          216 :   args[0] = fold_convert (unsigned_type_for (TREE_TYPE (args[0])), args[0]);
    6636          216 :   args[1] = fold_convert (unsigned_type_for (TREE_TYPE (args[1])), args[1]);
    6637              : 
    6638              :   /* If they have unequal type size, convert to the larger one.  */
    6639          216 :   if (TYPE_PRECISION (TREE_TYPE (args[0]))
    6640          216 :       > TYPE_PRECISION (TREE_TYPE (args[1])))
    6641            0 :     args[1] = fold_convert (TREE_TYPE (args[0]), args[1]);
    6642          216 :   else if (TYPE_PRECISION (TREE_TYPE (args[1]))
    6643          216 :            > TYPE_PRECISION (TREE_TYPE (args[0])))
    6644            0 :     args[0] = fold_convert (TREE_TYPE (args[1]), args[0]);
    6645              : 
    6646              :   /* Now, we compare them.  */
    6647          216 :   se->expr = fold_build2_loc (input_location, op, logical_type_node,
    6648              :                               args[0], args[1]);
    6649          216 : }
    6650              : 
    6651              : 
    6652              : /* Generate code to perform the specified operation.  */
    6653              : static void
    6654         1915 : gfc_conv_intrinsic_bitop (gfc_se * se, gfc_expr * expr, enum tree_code op)
    6655              : {
    6656         1915 :   tree args[2];
    6657              : 
    6658         1915 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    6659         1915 :   se->expr = fold_build2_loc (input_location, op, TREE_TYPE (args[0]),
    6660              :                               args[0], args[1]);
    6661         1915 : }
    6662              : 
    6663              : /* Bitwise not.  */
    6664              : static void
    6665          230 : gfc_conv_intrinsic_not (gfc_se * se, gfc_expr * expr)
    6666              : {
    6667          230 :   tree arg;
    6668              : 
    6669          230 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    6670          230 :   se->expr = fold_build1_loc (input_location, BIT_NOT_EXPR,
    6671          230 :                               TREE_TYPE (arg), arg);
    6672          230 : }
    6673              : 
    6674              : 
    6675              : /* Generate code for OUT_OF_RANGE.  */
    6676              : static void
    6677          468 : gfc_conv_intrinsic_out_of_range (gfc_se * se, gfc_expr * expr)
    6678              : {
    6679          468 :   tree *args;
    6680          468 :   tree type;
    6681          468 :   tree tmp = NULL_TREE, tmp1, tmp2;
    6682          468 :   unsigned int num_args;
    6683          468 :   int k;
    6684          468 :   gfc_se rnd_se;
    6685          468 :   gfc_actual_arglist *arg = expr->value.function.actual;
    6686          468 :   gfc_expr *x = arg->expr;
    6687          468 :   gfc_expr *mold = arg->next->expr;
    6688              : 
    6689          468 :   num_args = gfc_intrinsic_argument_list_length (expr);
    6690          468 :   args = XALLOCAVEC (tree, num_args);
    6691              : 
    6692          468 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
    6693              : 
    6694          468 :   gfc_init_se (&rnd_se, NULL);
    6695              : 
    6696          468 :   if (num_args == 3)
    6697              :     {
    6698              :       /* The ROUND argument is optional and shall appear only if X is
    6699              :          of type real and MOLD is of type integer (see edit F23/004).  */
    6700          270 :       gfc_expr *round = arg->next->next->expr;
    6701          270 :       gfc_conv_expr (&rnd_se, round);
    6702              : 
    6703          270 :       if (round->expr_type == EXPR_VARIABLE
    6704          198 :           && round->symtree->n.sym->attr.dummy
    6705           30 :           && round->symtree->n.sym->attr.optional)
    6706              :         {
    6707           30 :           tree present = gfc_conv_expr_present (round->symtree->n.sym);
    6708           30 :           rnd_se.expr = build3_loc (input_location, COND_EXPR,
    6709              :                                     logical_type_node, present,
    6710              :                                     rnd_se.expr, logical_false_node);
    6711           30 :           gfc_add_block_to_block (&se->pre, &rnd_se.pre);
    6712              :         }
    6713              :     }
    6714              :   else
    6715              :     {
    6716              :       /* If ROUND is absent, it is equivalent to having the value false.  */
    6717          198 :       rnd_se.expr = logical_false_node;
    6718              :     }
    6719              : 
    6720          468 :   type = TREE_TYPE (args[0]);
    6721          468 :   k = gfc_validate_kind (mold->ts.type, mold->ts.kind, false);
    6722              : 
    6723          468 :   switch (x->ts.type)
    6724              :     {
    6725          378 :     case BT_REAL:
    6726              :       /* X may be IEEE infinity or NaN, but the representation of MOLD may not
    6727              :          support infinity or NaN.  */
    6728          378 :       tree finite;
    6729          378 :       finite = build_call_expr_loc (input_location,
    6730              :                                     builtin_decl_explicit (BUILT_IN_ISFINITE),
    6731              :                                     1,  args[0]);
    6732          378 :       finite = convert (logical_type_node, finite);
    6733              : 
    6734          378 :       if (mold->ts.type == BT_REAL)
    6735              :         {
    6736           24 :           tmp1 = build1 (ABS_EXPR, type, args[0]);
    6737           24 :           tmp2 = gfc_conv_mpfr_to_tree (gfc_real_kinds[k].huge,
    6738              :                                         mold->ts.kind, 0);
    6739           24 :           tmp = build2 (GT_EXPR, logical_type_node, tmp1,
    6740              :                         convert (type, tmp2));
    6741              : 
    6742              :           /* Check if MOLD representation supports infinity or NaN.  */
    6743           24 :           bool infnan = (HONOR_INFINITIES (TREE_TYPE (args[1]))
    6744           24 :                          || HONOR_NANS (TREE_TYPE (args[1])));
    6745           24 :           tmp = build3 (COND_EXPR, logical_type_node, finite, tmp,
    6746              :                         infnan ? logical_false_node : logical_true_node);
    6747              :         }
    6748              :       else
    6749              :         {
    6750          354 :           tree rounded;
    6751          354 :           tree decl;
    6752              : 
    6753          354 :           decl = gfc_builtin_decl_for_float_kind (BUILT_IN_TRUNC, x->ts.kind);
    6754          354 :           gcc_assert (decl != NULL_TREE);
    6755              : 
    6756              :           /* Round or truncate argument X, depending on the optional argument
    6757              :              ROUND (default: .false.).  */
    6758          354 :           tmp1 = build_round_expr (args[0], type);
    6759          354 :           tmp2 = build_call_expr_loc (input_location, decl, 1, args[0]);
    6760          354 :           rounded = build3 (COND_EXPR, type, rnd_se.expr, tmp1, tmp2);
    6761              : 
    6762          354 :           if (mold->ts.type == BT_INTEGER)
    6763              :             {
    6764          180 :               tmp1 = gfc_conv_mpz_to_tree (gfc_integer_kinds[k].min_int,
    6765              :                                            x->ts.kind);
    6766          180 :               tmp2 = gfc_conv_mpz_to_tree (gfc_integer_kinds[k].huge,
    6767              :                                            x->ts.kind);
    6768              :             }
    6769          174 :           else if (mold->ts.type == BT_UNSIGNED)
    6770              :             {
    6771          174 :               tmp1 = build_real_from_int_cst (type, integer_zero_node);
    6772          174 :               tmp2 = gfc_conv_mpz_to_tree (gfc_unsigned_kinds[k].huge,
    6773              :                                            x->ts.kind);
    6774              :             }
    6775              :           else
    6776            0 :             gcc_unreachable ();
    6777              : 
    6778          354 :           tmp1 = build2 (LT_EXPR, logical_type_node, rounded,
    6779              :                          convert (type, tmp1));
    6780          354 :           tmp2 = build2 (GT_EXPR, logical_type_node, rounded,
    6781              :                          convert (type, tmp2));
    6782          354 :           tmp = build2 (TRUTH_ORIF_EXPR, logical_type_node, tmp1, tmp2);
    6783          354 :           tmp = build2 (TRUTH_ORIF_EXPR, logical_type_node,
    6784              :                         build1 (TRUTH_NOT_EXPR, logical_type_node, finite),
    6785              :                         tmp);
    6786              :         }
    6787              :       break;
    6788              : 
    6789           48 :     case BT_INTEGER:
    6790           48 :       if (mold->ts.type == BT_INTEGER)
    6791              :         {
    6792           12 :           tmp1 = gfc_conv_mpz_to_tree (gfc_integer_kinds[k].min_int,
    6793              :                                        x->ts.kind);
    6794           12 :           tmp2 = gfc_conv_mpz_to_tree (gfc_integer_kinds[k].huge,
    6795              :                                        x->ts.kind);
    6796           12 :           tmp1 = build2 (LT_EXPR, logical_type_node, args[0],
    6797              :                          convert (type, tmp1));
    6798           12 :           tmp2 = build2 (GT_EXPR, logical_type_node, args[0],
    6799              :                          convert (type, tmp2));
    6800           12 :           tmp = build2 (TRUTH_ORIF_EXPR, logical_type_node, tmp1, tmp2);
    6801              :         }
    6802           36 :       else if (mold->ts.type == BT_UNSIGNED)
    6803              :         {
    6804           36 :           int i = gfc_validate_kind (x->ts.type, x->ts.kind, false);
    6805           36 :           tmp = build_int_cst (type, 0);
    6806           36 :           tmp = build2 (LT_EXPR, logical_type_node, args[0], tmp);
    6807           36 :           if (mpz_cmp (gfc_integer_kinds[i].huge,
    6808           36 :                        gfc_unsigned_kinds[k].huge) > 0)
    6809              :             {
    6810            0 :               tmp2 = gfc_conv_mpz_to_tree (gfc_unsigned_kinds[k].huge,
    6811              :                                            x->ts.kind);
    6812            0 :               tmp2 = build2 (GT_EXPR, logical_type_node, args[0],
    6813              :                              convert (type, tmp2));
    6814            0 :               tmp = build2 (TRUTH_ORIF_EXPR, logical_type_node, tmp, tmp2);
    6815              :             }
    6816              :         }
    6817            0 :       else if (mold->ts.type == BT_REAL)
    6818              :         {
    6819            0 :           tmp2 = gfc_conv_mpfr_to_tree (gfc_real_kinds[k].huge,
    6820              :                                         mold->ts.kind, 0);
    6821            0 :           tmp1 = build1 (NEGATE_EXPR, TREE_TYPE (tmp2), tmp2);
    6822            0 :           tmp1 = build2 (LT_EXPR, logical_type_node, args[0],
    6823              :                          convert (type, tmp1));
    6824            0 :           tmp2 = build2 (GT_EXPR, logical_type_node, args[0],
    6825              :                          convert (type, tmp2));
    6826            0 :           tmp = build2 (TRUTH_ORIF_EXPR, logical_type_node, tmp1, tmp2);
    6827              :         }
    6828              :       else
    6829            0 :         gcc_unreachable ();
    6830              :       break;
    6831              : 
    6832           42 :     case BT_UNSIGNED:
    6833           42 :       if (mold->ts.type == BT_UNSIGNED)
    6834              :         {
    6835           12 :           tmp = gfc_conv_mpz_to_tree (gfc_unsigned_kinds[k].huge,
    6836              :                                       x->ts.kind);
    6837           12 :           tmp = build2 (GT_EXPR, logical_type_node, args[0],
    6838              :                         convert (type, tmp));
    6839              :         }
    6840           30 :       else if (mold->ts.type == BT_INTEGER)
    6841              :         {
    6842           18 :           tmp = gfc_conv_mpz_to_tree (gfc_integer_kinds[k].huge,
    6843              :                                       x->ts.kind);
    6844           18 :           tmp = build2 (GT_EXPR, logical_type_node, args[0],
    6845              :                         convert (type, tmp));
    6846              :         }
    6847           12 :       else if (mold->ts.type == BT_REAL)
    6848              :         {
    6849           12 :           tmp = gfc_conv_mpfr_to_tree (gfc_real_kinds[k].huge,
    6850              :                                        mold->ts.kind, 0);
    6851           12 :           tmp = build2 (GT_EXPR, logical_type_node, args[0],
    6852              :                         convert (type, tmp));
    6853              :         }
    6854              :       else
    6855            0 :         gcc_unreachable ();
    6856              :       break;
    6857              : 
    6858            0 :     default:
    6859            0 :       gcc_unreachable ();
    6860              :     }
    6861              : 
    6862          468 :   se->expr = convert (gfc_typenode_for_spec (&expr->ts), tmp);
    6863          468 : }
    6864              : 
    6865              : 
    6866              : /* Set or clear a single bit.  */
    6867              : static void
    6868          306 : gfc_conv_intrinsic_singlebitop (gfc_se * se, gfc_expr * expr, int set)
    6869              : {
    6870          306 :   tree args[2];
    6871          306 :   tree type;
    6872          306 :   tree tmp;
    6873          306 :   enum tree_code op;
    6874              : 
    6875          306 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    6876          306 :   type = TREE_TYPE (args[0]);
    6877              : 
    6878              :   /* Optionally generate code for runtime argument check.  */
    6879          306 :   if (gfc_option.rtcheck & GFC_RTCHECK_BITS)
    6880              :     {
    6881           12 :       tree below = fold_build2_loc (input_location, LT_EXPR,
    6882              :                                     logical_type_node, args[1],
    6883           12 :                                     build_int_cst (TREE_TYPE (args[1]), 0));
    6884           12 :       tree nbits = build_int_cst (TREE_TYPE (args[1]), TYPE_PRECISION (type));
    6885           12 :       tree above = fold_build2_loc (input_location, GE_EXPR,
    6886              :                                     logical_type_node, args[1], nbits);
    6887           12 :       tree scond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    6888              :                                     logical_type_node, below, above);
    6889           12 :       size_t len_name = strlen (expr->value.function.isym->name);
    6890           12 :       char *name = XALLOCAVEC (char, len_name + 1);
    6891           72 :       for (size_t i = 0; i < len_name; i++)
    6892           60 :         name[i] = TOUPPER (expr->value.function.isym->name[i]);
    6893           12 :       name[len_name] = '\0';
    6894           12 :       tree iname = gfc_build_addr_expr (pchar_type_node,
    6895              :                                         gfc_build_cstring_const (name));
    6896           12 :       gfc_trans_runtime_check (true, false, scond, &se->pre, &expr->where,
    6897              :                                "POS argument (%ld) out of range 0:%ld "
    6898              :                                "in intrinsic %s",
    6899              :                                fold_convert (long_integer_type_node, args[1]),
    6900              :                                fold_convert (long_integer_type_node, nbits),
    6901              :                                iname);
    6902              :     }
    6903              : 
    6904          306 :   tmp = fold_build2_loc (input_location, LSHIFT_EXPR, type,
    6905              :                          build_int_cst (type, 1), args[1]);
    6906          306 :   if (set)
    6907              :     op = BIT_IOR_EXPR;
    6908              :   else
    6909              :     {
    6910          168 :       op = BIT_AND_EXPR;
    6911          168 :       tmp = fold_build1_loc (input_location, BIT_NOT_EXPR, type, tmp);
    6912              :     }
    6913          306 :   se->expr = fold_build2_loc (input_location, op, type, args[0], tmp);
    6914          306 : }
    6915              : 
    6916              : /* Extract a sequence of bits.
    6917              :     IBITS(I, POS, LEN) = (I >> POS) & ~((~0) << LEN).  */
    6918              : static void
    6919           27 : gfc_conv_intrinsic_ibits (gfc_se * se, gfc_expr * expr)
    6920              : {
    6921           27 :   tree args[3];
    6922           27 :   tree type;
    6923           27 :   tree tmp;
    6924           27 :   tree mask;
    6925           27 :   tree num_bits, cond;
    6926              : 
    6927           27 :   gfc_conv_intrinsic_function_args (se, expr, args, 3);
    6928           27 :   type = TREE_TYPE (args[0]);
    6929              : 
    6930              :   /* Optionally generate code for runtime argument check.  */
    6931           27 :   if (gfc_option.rtcheck & GFC_RTCHECK_BITS)
    6932              :     {
    6933           12 :       tree tmp1 = fold_convert (long_integer_type_node, args[1]);
    6934           12 :       tree tmp2 = fold_convert (long_integer_type_node, args[2]);
    6935           12 :       tree nbits = build_int_cst (long_integer_type_node,
    6936           12 :                                   TYPE_PRECISION (type));
    6937           12 :       tree below = fold_build2_loc (input_location, LT_EXPR,
    6938              :                                     logical_type_node, args[1],
    6939           12 :                                     build_int_cst (TREE_TYPE (args[1]), 0));
    6940           12 :       tree above = fold_build2_loc (input_location, GT_EXPR,
    6941              :                                     logical_type_node, tmp1, nbits);
    6942           12 :       tree scond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    6943              :                                     logical_type_node, below, above);
    6944           12 :       gfc_trans_runtime_check (true, false, scond, &se->pre, &expr->where,
    6945              :                                "POS argument (%ld) out of range 0:%ld "
    6946              :                                "in intrinsic IBITS", tmp1, nbits);
    6947           12 :       below = fold_build2_loc (input_location, LT_EXPR,
    6948              :                                logical_type_node, args[2],
    6949           12 :                                build_int_cst (TREE_TYPE (args[2]), 0));
    6950           12 :       above = fold_build2_loc (input_location, GT_EXPR,
    6951              :                                logical_type_node, tmp2, nbits);
    6952           12 :       scond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    6953              :                                logical_type_node, below, above);
    6954           12 :       gfc_trans_runtime_check (true, false, scond, &se->pre, &expr->where,
    6955              :                                "LEN argument (%ld) out of range 0:%ld "
    6956              :                                "in intrinsic IBITS", tmp2, nbits);
    6957           12 :       above = fold_build2_loc (input_location, PLUS_EXPR,
    6958              :                                long_integer_type_node, tmp1, tmp2);
    6959           12 :       scond = fold_build2_loc (input_location, GT_EXPR,
    6960              :                                logical_type_node, above, nbits);
    6961           12 :       gfc_trans_runtime_check (true, false, scond, &se->pre, &expr->where,
    6962              :                                "POS(%ld)+LEN(%ld)>BIT_SIZE(%ld) "
    6963              :                                "in intrinsic IBITS", tmp1, tmp2, nbits);
    6964              :     }
    6965              : 
    6966              :   /* The Fortran standard allows (shift width) LEN <= BIT_SIZE(I), whereas
    6967              :      gcc requires a shift width < BIT_SIZE(I), so we have to catch this
    6968              :      special case.  See also gfc_conv_intrinsic_ishft ().  */
    6969           27 :   num_bits = build_int_cst (TREE_TYPE (args[2]), TYPE_PRECISION (type));
    6970              : 
    6971           27 :   mask = build_int_cst (type, -1);
    6972           27 :   mask = fold_build2_loc (input_location, LSHIFT_EXPR, type, mask, args[2]);
    6973           27 :   cond = fold_build2_loc (input_location, GE_EXPR, logical_type_node, args[2],
    6974              :                           num_bits);
    6975           27 :   mask = fold_build3_loc (input_location, COND_EXPR, type, cond,
    6976              :                           build_int_cst (type, 0), mask);
    6977           27 :   mask = fold_build1_loc (input_location, BIT_NOT_EXPR, type, mask);
    6978              : 
    6979           27 :   tmp = fold_build2_loc (input_location, RSHIFT_EXPR, type, args[0], args[1]);
    6980              : 
    6981           27 :   se->expr = fold_build2_loc (input_location, BIT_AND_EXPR, type, tmp, mask);
    6982           27 : }
    6983              : 
    6984              : static void
    6985          492 : gfc_conv_intrinsic_shift (gfc_se * se, gfc_expr * expr, bool right_shift,
    6986              :                           bool arithmetic)
    6987              : {
    6988          492 :   tree args[2], type, num_bits, cond;
    6989          492 :   tree bigshift;
    6990          492 :   bool do_convert = false;
    6991              : 
    6992          492 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    6993              : 
    6994          492 :   args[0] = gfc_evaluate_now (args[0], &se->pre);
    6995          492 :   args[1] = gfc_evaluate_now (args[1], &se->pre);
    6996          492 :   type = TREE_TYPE (args[0]);
    6997              : 
    6998          492 :   if (!arithmetic)
    6999              :     {
    7000          390 :       args[0] = fold_convert (unsigned_type_for (type), args[0]);
    7001          390 :       do_convert = true;
    7002              :     }
    7003              :   else
    7004          102 :     gcc_assert (right_shift);
    7005              : 
    7006          492 :   if (flag_unsigned && arithmetic && expr->ts.type == BT_UNSIGNED)
    7007              :     {
    7008           30 :       do_convert = true;
    7009           30 :       args[0] = fold_convert (signed_type_for (type), args[0]);
    7010              :     }
    7011              : 
    7012          816 :   se->expr = fold_build2_loc (input_location,
    7013              :                               right_shift ? RSHIFT_EXPR : LSHIFT_EXPR,
    7014          492 :                               TREE_TYPE (args[0]), args[0], args[1]);
    7015              : 
    7016          492 :   if (do_convert)
    7017          420 :     se->expr = fold_convert (type, se->expr);
    7018              : 
    7019          492 :   if (!arithmetic)
    7020          390 :     bigshift = build_int_cst (type, 0);
    7021              :   else
    7022              :     {
    7023          102 :       tree nonneg = fold_build2_loc (input_location, GE_EXPR,
    7024              :                                      logical_type_node, args[0],
    7025          102 :                                      build_int_cst (TREE_TYPE (args[0]), 0));
    7026          102 :       bigshift = fold_build3_loc (input_location, COND_EXPR, type, nonneg,
    7027              :                                   build_int_cst (type, 0),
    7028              :                                   build_int_cst (type, -1));
    7029              :     }
    7030              : 
    7031              :   /* The Fortran standard allows shift widths <= BIT_SIZE(I), whereas
    7032              :      gcc requires a shift width < BIT_SIZE(I), so we have to catch this
    7033              :      special case.  */
    7034          492 :   num_bits = build_int_cst (TREE_TYPE (args[1]), TYPE_PRECISION (type));
    7035              : 
    7036              :   /* Optionally generate code for runtime argument check.  */
    7037          492 :   if (gfc_option.rtcheck & GFC_RTCHECK_BITS)
    7038              :     {
    7039           30 :       tree below = fold_build2_loc (input_location, LT_EXPR,
    7040              :                                     logical_type_node, args[1],
    7041           30 :                                     build_int_cst (TREE_TYPE (args[1]), 0));
    7042           30 :       tree above = fold_build2_loc (input_location, GT_EXPR,
    7043              :                                     logical_type_node, args[1], num_bits);
    7044           30 :       tree scond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    7045              :                                     logical_type_node, below, above);
    7046           30 :       size_t len_name = strlen (expr->value.function.isym->name);
    7047           30 :       char *name = XALLOCAVEC (char, len_name + 1);
    7048          210 :       for (size_t i = 0; i < len_name; i++)
    7049          180 :         name[i] = TOUPPER (expr->value.function.isym->name[i]);
    7050           30 :       name[len_name] = '\0';
    7051           30 :       tree iname = gfc_build_addr_expr (pchar_type_node,
    7052              :                                         gfc_build_cstring_const (name));
    7053           30 :       gfc_trans_runtime_check (true, false, scond, &se->pre, &expr->where,
    7054              :                                "SHIFT argument (%ld) out of range 0:%ld "
    7055              :                                "in intrinsic %s",
    7056              :                                fold_convert (long_integer_type_node, args[1]),
    7057              :                                fold_convert (long_integer_type_node, num_bits),
    7058              :                                iname);
    7059              :     }
    7060              : 
    7061          492 :   cond = fold_build2_loc (input_location, GE_EXPR, logical_type_node,
    7062              :                           args[1], num_bits);
    7063              : 
    7064          492 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, cond,
    7065              :                               bigshift, se->expr);
    7066          492 : }
    7067              : 
    7068              : /* ISHFT (I, SHIFT) = (abs (shift) >= BIT_SIZE (i))
    7069              :                         ? 0
    7070              :                         : ((shift >= 0) ? i << shift : i >> -shift)
    7071              :    where all shifts are logical shifts.  */
    7072              : static void
    7073          318 : gfc_conv_intrinsic_ishft (gfc_se * se, gfc_expr * expr)
    7074              : {
    7075          318 :   tree args[2];
    7076          318 :   tree type;
    7077          318 :   tree utype;
    7078          318 :   tree tmp;
    7079          318 :   tree width;
    7080          318 :   tree num_bits;
    7081          318 :   tree cond;
    7082          318 :   tree lshift;
    7083          318 :   tree rshift;
    7084              : 
    7085          318 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    7086              : 
    7087          318 :   args[0] = gfc_evaluate_now (args[0], &se->pre);
    7088          318 :   args[1] = gfc_evaluate_now (args[1], &se->pre);
    7089              : 
    7090          318 :   type = TREE_TYPE (args[0]);
    7091          318 :   utype = unsigned_type_for (type);
    7092              : 
    7093          318 :   width = fold_build1_loc (input_location, ABS_EXPR, TREE_TYPE (args[1]),
    7094              :                            args[1]);
    7095              : 
    7096              :   /* Left shift if positive.  */
    7097          318 :   lshift = fold_build2_loc (input_location, LSHIFT_EXPR, type, args[0], width);
    7098              : 
    7099              :   /* Right shift if negative.
    7100              :      We convert to an unsigned type because we want a logical shift.
    7101              :      The standard doesn't define the case of shifting negative
    7102              :      numbers, and we try to be compatible with other compilers, most
    7103              :      notably g77, here.  */
    7104          318 :   rshift = fold_convert (type, fold_build2_loc (input_location, RSHIFT_EXPR,
    7105              :                                     utype, convert (utype, args[0]), width));
    7106              : 
    7107          318 :   tmp = fold_build2_loc (input_location, GE_EXPR, logical_type_node, args[1],
    7108          318 :                          build_int_cst (TREE_TYPE (args[1]), 0));
    7109          318 :   tmp = fold_build3_loc (input_location, COND_EXPR, type, tmp, lshift, rshift);
    7110              : 
    7111              :   /* The Fortran standard allows shift widths <= BIT_SIZE(I), whereas
    7112              :      gcc requires a shift width < BIT_SIZE(I), so we have to catch this
    7113              :      special case.  */
    7114          318 :   num_bits = build_int_cst (TREE_TYPE (args[1]), TYPE_PRECISION (type));
    7115              : 
    7116              :   /* Optionally generate code for runtime argument check.  */
    7117          318 :   if (gfc_option.rtcheck & GFC_RTCHECK_BITS)
    7118              :     {
    7119           24 :       tree outside = fold_build2_loc (input_location, GT_EXPR,
    7120              :                                     logical_type_node, width, num_bits);
    7121           24 :       gfc_trans_runtime_check (true, false, outside, &se->pre, &expr->where,
    7122              :                                "SHIFT argument (%ld) out of range -%ld:%ld "
    7123              :                                "in intrinsic ISHFT",
    7124              :                                fold_convert (long_integer_type_node, args[1]),
    7125              :                                fold_convert (long_integer_type_node, num_bits),
    7126              :                                fold_convert (long_integer_type_node, num_bits));
    7127              :     }
    7128              : 
    7129          318 :   cond = fold_build2_loc (input_location, GE_EXPR, logical_type_node, width,
    7130              :                           num_bits);
    7131          318 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, cond,
    7132              :                               build_int_cst (type, 0), tmp);
    7133          318 : }
    7134              : 
    7135              : 
    7136              : /* Circular shift.  AKA rotate or barrel shift.  */
    7137              : 
    7138              : static void
    7139          658 : gfc_conv_intrinsic_ishftc (gfc_se * se, gfc_expr * expr)
    7140              : {
    7141          658 :   tree *args;
    7142          658 :   tree type;
    7143          658 :   tree tmp;
    7144          658 :   tree lrot;
    7145          658 :   tree rrot;
    7146          658 :   tree zero;
    7147          658 :   tree nbits;
    7148          658 :   unsigned int num_args;
    7149              : 
    7150          658 :   num_args = gfc_intrinsic_argument_list_length (expr);
    7151          658 :   args = XALLOCAVEC (tree, num_args);
    7152              : 
    7153          658 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
    7154              : 
    7155          658 :   type = TREE_TYPE (args[0]);
    7156          658 :   nbits = build_int_cst (long_integer_type_node, TYPE_PRECISION (type));
    7157              : 
    7158          658 :   if (num_args == 3)
    7159              :     {
    7160          550 :       gfc_expr *size = expr->value.function.actual->next->next->expr;
    7161              : 
    7162              :       /* Use a library function for the 3 parameter version.  */
    7163          550 :       tree int4type = gfc_get_int_type (4);
    7164              : 
    7165              :       /* Treat optional SIZE argument when it is passed as an optional
    7166              :          dummy.  If SIZE is absent, the default value is BIT_SIZE(I).  */
    7167          550 :       if (size->expr_type == EXPR_VARIABLE
    7168          438 :           && size->symtree->n.sym->attr.dummy
    7169           36 :           && size->symtree->n.sym->attr.optional)
    7170              :         {
    7171           36 :           tree type_of_size = TREE_TYPE (args[2]);
    7172           72 :           args[2] = build3_loc (input_location, COND_EXPR, type_of_size,
    7173           36 :                                 gfc_conv_expr_present (size->symtree->n.sym),
    7174              :                                 args[2], fold_convert (type_of_size, nbits));
    7175              :         }
    7176              : 
    7177              :       /* We convert the first argument to at least 4 bytes, and
    7178              :          convert back afterwards.  This removes the need for library
    7179              :          functions for all argument sizes, and function will be
    7180              :          aligned to at least 32 bits, so there's no loss.  */
    7181          550 :       if (expr->ts.kind < 4)
    7182          242 :         args[0] = convert (int4type, args[0]);
    7183              : 
    7184              :       /* Convert the SHIFT and SIZE args to INTEGER*4 otherwise we would
    7185              :          need loads of library  functions.  They cannot have values >
    7186              :          BIT_SIZE (I) so the conversion is safe.  */
    7187          550 :       args[1] = convert (int4type, args[1]);
    7188          550 :       args[2] = convert (int4type, args[2]);
    7189              : 
    7190              :       /* Optionally generate code for runtime argument check.  */
    7191          550 :       if (gfc_option.rtcheck & GFC_RTCHECK_BITS)
    7192              :         {
    7193           18 :           tree size = fold_convert (long_integer_type_node, args[2]);
    7194           18 :           tree below = fold_build2_loc (input_location, LE_EXPR,
    7195              :                                         logical_type_node, size,
    7196           18 :                                         build_int_cst (TREE_TYPE (args[1]), 0));
    7197           18 :           tree above = fold_build2_loc (input_location, GT_EXPR,
    7198              :                                         logical_type_node, size, nbits);
    7199           18 :           tree scond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    7200              :                                         logical_type_node, below, above);
    7201           18 :           gfc_trans_runtime_check (true, false, scond, &se->pre, &expr->where,
    7202              :                                    "SIZE argument (%ld) out of range 1:%ld "
    7203              :                                    "in intrinsic ISHFTC", size, nbits);
    7204           18 :           tree width = fold_convert (long_integer_type_node, args[1]);
    7205           18 :           width = fold_build1_loc (input_location, ABS_EXPR,
    7206              :                                    long_integer_type_node, width);
    7207           18 :           scond = fold_build2_loc (input_location, GT_EXPR,
    7208              :                                    logical_type_node, width, size);
    7209           18 :           gfc_trans_runtime_check (true, false, scond, &se->pre, &expr->where,
    7210              :                                    "SHIFT argument (%ld) out of range -%ld:%ld "
    7211              :                                    "in intrinsic ISHFTC",
    7212              :                                    fold_convert (long_integer_type_node, args[1]),
    7213              :                                    size, size);
    7214              :         }
    7215              : 
    7216          550 :       switch (expr->ts.kind)
    7217              :         {
    7218          426 :         case 1:
    7219          426 :         case 2:
    7220          426 :         case 4:
    7221          426 :           tmp = gfor_fndecl_math_ishftc4;
    7222          426 :           break;
    7223          124 :         case 8:
    7224          124 :           tmp = gfor_fndecl_math_ishftc8;
    7225          124 :           break;
    7226            0 :         case 16:
    7227            0 :           tmp = gfor_fndecl_math_ishftc16;
    7228            0 :           break;
    7229            0 :         default:
    7230            0 :           gcc_unreachable ();
    7231              :         }
    7232          550 :       se->expr = build_call_expr_loc (input_location,
    7233              :                                       tmp, 3, args[0], args[1], args[2]);
    7234              :       /* Convert the result back to the original type, if we extended
    7235              :          the first argument's width above.  */
    7236          550 :       if (expr->ts.kind < 4)
    7237          242 :         se->expr = convert (type, se->expr);
    7238              : 
    7239              :       return;
    7240              :     }
    7241              : 
    7242              :   /* Evaluate arguments only once.  */
    7243          108 :   args[0] = gfc_evaluate_now (args[0], &se->pre);
    7244          108 :   args[1] = gfc_evaluate_now (args[1], &se->pre);
    7245              : 
    7246              :   /* Optionally generate code for runtime argument check.  */
    7247          108 :   if (gfc_option.rtcheck & GFC_RTCHECK_BITS)
    7248              :     {
    7249           12 :       tree width = fold_convert (long_integer_type_node, args[1]);
    7250           12 :       width = fold_build1_loc (input_location, ABS_EXPR,
    7251              :                                long_integer_type_node, width);
    7252           12 :       tree outside = fold_build2_loc (input_location, GT_EXPR,
    7253              :                                       logical_type_node, width, nbits);
    7254           12 :       gfc_trans_runtime_check (true, false, outside, &se->pre, &expr->where,
    7255              :                                "SHIFT argument (%ld) out of range -%ld:%ld "
    7256              :                                "in intrinsic ISHFTC",
    7257              :                                fold_convert (long_integer_type_node, args[1]),
    7258              :                                nbits, nbits);
    7259              :     }
    7260              : 
    7261              :   /* Rotate left if positive.  */
    7262          108 :   lrot = fold_build2_loc (input_location, LROTATE_EXPR, type, args[0], args[1]);
    7263              : 
    7264              :   /* Rotate right if negative.  */
    7265          108 :   tmp = fold_build1_loc (input_location, NEGATE_EXPR, TREE_TYPE (args[1]),
    7266              :                          args[1]);
    7267          108 :   rrot = fold_build2_loc (input_location,RROTATE_EXPR, type, args[0], tmp);
    7268              : 
    7269          108 :   zero = build_int_cst (TREE_TYPE (args[1]), 0);
    7270          108 :   tmp = fold_build2_loc (input_location, GT_EXPR, logical_type_node, args[1],
    7271              :                          zero);
    7272          108 :   rrot = fold_build3_loc (input_location, COND_EXPR, type, tmp, lrot, rrot);
    7273              : 
    7274              :   /* Do nothing if shift == 0.  */
    7275          108 :   tmp = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, args[1],
    7276              :                          zero);
    7277          108 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, tmp, args[0],
    7278              :                               rrot);
    7279              : }
    7280              : 
    7281              : 
    7282              : /* LEADZ (i) = (i == 0) ? BIT_SIZE (i)
    7283              :                         : __builtin_clz(i) - (BIT_SIZE('int') - BIT_SIZE(i))
    7284              : 
    7285              :    The conditional expression is necessary because the result of LEADZ(0)
    7286              :    is defined, but the result of __builtin_clz(0) is undefined for most
    7287              :    targets.
    7288              : 
    7289              :    For INTEGER kinds smaller than the C 'int' type, we have to subtract the
    7290              :    difference in bit size between the argument of LEADZ and the C int.  */
    7291              : 
    7292              : static void
    7293          270 : gfc_conv_intrinsic_leadz (gfc_se * se, gfc_expr * expr)
    7294              : {
    7295          270 :   tree arg;
    7296          270 :   tree arg_type;
    7297          270 :   tree cond;
    7298          270 :   tree result_type;
    7299          270 :   tree leadz;
    7300          270 :   tree bit_size;
    7301          270 :   tree tmp;
    7302          270 :   tree func;
    7303          270 :   int s, argsize;
    7304              : 
    7305          270 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    7306          270 :   argsize = TYPE_PRECISION (TREE_TYPE (arg));
    7307              : 
    7308              :   /* Which variant of __builtin_clz* should we call?  */
    7309          270 :   if (argsize <= INT_TYPE_SIZE)
    7310              :     {
    7311          183 :       arg_type = unsigned_type_node;
    7312          183 :       func = builtin_decl_explicit (BUILT_IN_CLZ);
    7313              :     }
    7314           87 :   else if (argsize <= LONG_TYPE_SIZE)
    7315              :     {
    7316           57 :       arg_type = long_unsigned_type_node;
    7317           57 :       func = builtin_decl_explicit (BUILT_IN_CLZL);
    7318              :     }
    7319           30 :   else if (argsize <= LONG_LONG_TYPE_SIZE)
    7320              :     {
    7321            0 :       arg_type = long_long_unsigned_type_node;
    7322            0 :       func = builtin_decl_explicit (BUILT_IN_CLZLL);
    7323              :     }
    7324              :   else
    7325              :     {
    7326           30 :       gcc_assert (argsize == 2 * LONG_LONG_TYPE_SIZE);
    7327           30 :       arg_type = gfc_build_uint_type (argsize);
    7328           30 :       func = NULL_TREE;
    7329              :     }
    7330              : 
    7331              :   /* Convert the actual argument twice: first, to the unsigned type of the
    7332              :      same size; then, to the proper argument type for the built-in
    7333              :      function.  But the return type is of the default INTEGER kind.  */
    7334          270 :   arg = fold_convert (gfc_build_uint_type (argsize), arg);
    7335          270 :   arg = fold_convert (arg_type, arg);
    7336          270 :   arg = gfc_evaluate_now (arg, &se->pre);
    7337          270 :   result_type = gfc_get_int_type (gfc_default_integer_kind);
    7338              : 
    7339              :   /* Compute LEADZ for the case i .ne. 0.  */
    7340          270 :   if (func)
    7341              :     {
    7342          240 :       s = TYPE_PRECISION (arg_type) - argsize;
    7343          240 :       tmp = fold_convert (result_type,
    7344              :                           build_call_expr_loc (input_location, func,
    7345              :                                                1, arg));
    7346          240 :       leadz = fold_build2_loc (input_location, MINUS_EXPR, result_type,
    7347          240 :                                tmp, build_int_cst (result_type, s));
    7348              :     }
    7349              :   else
    7350              :     {
    7351              :       /* We end up here if the argument type is larger than 'long long'.
    7352              :          We generate this code:
    7353              : 
    7354              :             if (x & (ULL_MAX << ULL_SIZE) != 0)
    7355              :               return clzll ((unsigned long long) (x >> ULLSIZE));
    7356              :             else
    7357              :               return ULL_SIZE + clzll ((unsigned long long) x);
    7358              :          where ULL_MAX is the largest value that a ULL_MAX can hold
    7359              :          (0xFFFFFFFFFFFFFFFF for a 64-bit long long type), and ULLSIZE
    7360              :          is the bit-size of the long long type (64 in this example).  */
    7361           30 :       tree ullsize, ullmax, tmp1, tmp2, btmp;
    7362              : 
    7363           30 :       ullsize = build_int_cst (result_type, LONG_LONG_TYPE_SIZE);
    7364           30 :       ullmax = fold_build1_loc (input_location, BIT_NOT_EXPR,
    7365              :                                 long_long_unsigned_type_node,
    7366              :                                 build_int_cst (long_long_unsigned_type_node,
    7367              :                                                0));
    7368              : 
    7369           30 :       cond = fold_build2_loc (input_location, LSHIFT_EXPR, arg_type,
    7370              :                               fold_convert (arg_type, ullmax), ullsize);
    7371           30 :       cond = fold_build2_loc (input_location, BIT_AND_EXPR, arg_type,
    7372              :                               arg, cond);
    7373           30 :       cond = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    7374              :                               cond, build_int_cst (arg_type, 0));
    7375              : 
    7376           30 :       tmp1 = fold_build2_loc (input_location, RSHIFT_EXPR, arg_type,
    7377              :                               arg, ullsize);
    7378           30 :       tmp1 = fold_convert (long_long_unsigned_type_node, tmp1);
    7379           30 :       btmp = builtin_decl_explicit (BUILT_IN_CLZLL);
    7380           30 :       tmp1 = fold_convert (result_type,
    7381              :                            build_call_expr_loc (input_location, btmp, 1, tmp1));
    7382              : 
    7383           30 :       tmp2 = fold_convert (long_long_unsigned_type_node, arg);
    7384           30 :       btmp = builtin_decl_explicit (BUILT_IN_CLZLL);
    7385           30 :       tmp2 = fold_convert (result_type,
    7386              :                            build_call_expr_loc (input_location, btmp, 1, tmp2));
    7387           30 :       tmp2 = fold_build2_loc (input_location, PLUS_EXPR, result_type,
    7388              :                               tmp2, ullsize);
    7389              : 
    7390           30 :       leadz = fold_build3_loc (input_location, COND_EXPR, result_type,
    7391              :                                cond, tmp1, tmp2);
    7392              :     }
    7393              : 
    7394              :   /* Build BIT_SIZE.  */
    7395          270 :   bit_size = build_int_cst (result_type, argsize);
    7396              : 
    7397          270 :   cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    7398              :                           arg, build_int_cst (arg_type, 0));
    7399          270 :   se->expr = fold_build3_loc (input_location, COND_EXPR, result_type, cond,
    7400              :                               bit_size, leadz);
    7401          270 : }
    7402              : 
    7403              : 
    7404              : /* TRAILZ(i) = (i == 0) ? BIT_SIZE (i) : __builtin_ctz(i)
    7405              : 
    7406              :    The conditional expression is necessary because the result of TRAILZ(0)
    7407              :    is defined, but the result of __builtin_ctz(0) is undefined for most
    7408              :    targets.  */
    7409              : 
    7410              : static void
    7411          282 : gfc_conv_intrinsic_trailz (gfc_se * se, gfc_expr *expr)
    7412              : {
    7413          282 :   tree arg;
    7414          282 :   tree arg_type;
    7415          282 :   tree cond;
    7416          282 :   tree result_type;
    7417          282 :   tree trailz;
    7418          282 :   tree bit_size;
    7419          282 :   tree func;
    7420          282 :   int argsize;
    7421              : 
    7422          282 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    7423          282 :   argsize = TYPE_PRECISION (TREE_TYPE (arg));
    7424              : 
    7425              :   /* Which variant of __builtin_ctz* should we call?  */
    7426          282 :   if (argsize <= INT_TYPE_SIZE)
    7427              :     {
    7428          195 :       arg_type = unsigned_type_node;
    7429          195 :       func = builtin_decl_explicit (BUILT_IN_CTZ);
    7430              :     }
    7431           87 :   else if (argsize <= LONG_TYPE_SIZE)
    7432              :     {
    7433           57 :       arg_type = long_unsigned_type_node;
    7434           57 :       func = builtin_decl_explicit (BUILT_IN_CTZL);
    7435              :     }
    7436           30 :   else if (argsize <= LONG_LONG_TYPE_SIZE)
    7437              :     {
    7438            0 :       arg_type = long_long_unsigned_type_node;
    7439            0 :       func = builtin_decl_explicit (BUILT_IN_CTZLL);
    7440              :     }
    7441              :   else
    7442              :     {
    7443           30 :       gcc_assert (argsize == 2 * LONG_LONG_TYPE_SIZE);
    7444           30 :       arg_type = gfc_build_uint_type (argsize);
    7445           30 :       func = NULL_TREE;
    7446              :     }
    7447              : 
    7448              :   /* Convert the actual argument twice: first, to the unsigned type of the
    7449              :      same size; then, to the proper argument type for the built-in
    7450              :      function.  But the return type is of the default INTEGER kind.  */
    7451          282 :   arg = fold_convert (gfc_build_uint_type (argsize), arg);
    7452          282 :   arg = fold_convert (arg_type, arg);
    7453          282 :   arg = gfc_evaluate_now (arg, &se->pre);
    7454          282 :   result_type = gfc_get_int_type (gfc_default_integer_kind);
    7455              : 
    7456              :   /* Compute TRAILZ for the case i .ne. 0.  */
    7457          282 :   if (func)
    7458          252 :     trailz = fold_convert (result_type, build_call_expr_loc (input_location,
    7459              :                                                              func, 1, arg));
    7460              :   else
    7461              :     {
    7462              :       /* We end up here if the argument type is larger than 'long long'.
    7463              :          We generate this code:
    7464              : 
    7465              :             if ((x & ULL_MAX) == 0)
    7466              :               return ULL_SIZE + ctzll ((unsigned long long) (x >> ULLSIZE));
    7467              :             else
    7468              :               return ctzll ((unsigned long long) x);
    7469              : 
    7470              :          where ULL_MAX is the largest value that a ULL_MAX can hold
    7471              :          (0xFFFFFFFFFFFFFFFF for a 64-bit long long type), and ULLSIZE
    7472              :          is the bit-size of the long long type (64 in this example).  */
    7473           30 :       tree ullsize, ullmax, tmp1, tmp2, btmp;
    7474              : 
    7475           30 :       ullsize = build_int_cst (result_type, LONG_LONG_TYPE_SIZE);
    7476           30 :       ullmax = fold_build1_loc (input_location, BIT_NOT_EXPR,
    7477              :                                 long_long_unsigned_type_node,
    7478              :                                 build_int_cst (long_long_unsigned_type_node, 0));
    7479              : 
    7480           30 :       cond = fold_build2_loc (input_location, BIT_AND_EXPR, arg_type, arg,
    7481              :                               fold_convert (arg_type, ullmax));
    7482           30 :       cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, cond,
    7483              :                               build_int_cst (arg_type, 0));
    7484              : 
    7485           30 :       tmp1 = fold_build2_loc (input_location, RSHIFT_EXPR, arg_type,
    7486              :                               arg, ullsize);
    7487           30 :       tmp1 = fold_convert (long_long_unsigned_type_node, tmp1);
    7488           30 :       btmp = builtin_decl_explicit (BUILT_IN_CTZLL);
    7489           30 :       tmp1 = fold_convert (result_type,
    7490              :                            build_call_expr_loc (input_location, btmp, 1, tmp1));
    7491           30 :       tmp1 = fold_build2_loc (input_location, PLUS_EXPR, result_type,
    7492              :                               tmp1, ullsize);
    7493              : 
    7494           30 :       tmp2 = fold_convert (long_long_unsigned_type_node, arg);
    7495           30 :       btmp = builtin_decl_explicit (BUILT_IN_CTZLL);
    7496           30 :       tmp2 = fold_convert (result_type,
    7497              :                            build_call_expr_loc (input_location, btmp, 1, tmp2));
    7498              : 
    7499           30 :       trailz = fold_build3_loc (input_location, COND_EXPR, result_type,
    7500              :                                 cond, tmp1, tmp2);
    7501              :     }
    7502              : 
    7503              :   /* Build BIT_SIZE.  */
    7504          282 :   bit_size = build_int_cst (result_type, argsize);
    7505              : 
    7506          282 :   cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    7507              :                           arg, build_int_cst (arg_type, 0));
    7508          282 :   se->expr = fold_build3_loc (input_location, COND_EXPR, result_type, cond,
    7509              :                               bit_size, trailz);
    7510          282 : }
    7511              : 
    7512              : /* Using __builtin_popcount for POPCNT and __builtin_parity for POPPAR;
    7513              :    for types larger than "long long", we call the long long built-in for
    7514              :    the lower and higher bits and combine the result.  */
    7515              : 
    7516              : static void
    7517          134 : gfc_conv_intrinsic_popcnt_poppar (gfc_se * se, gfc_expr *expr, int parity)
    7518              : {
    7519          134 :   tree arg;
    7520          134 :   tree arg_type;
    7521          134 :   tree result_type;
    7522          134 :   tree func;
    7523          134 :   int argsize;
    7524              : 
    7525          134 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    7526          134 :   argsize = TYPE_PRECISION (TREE_TYPE (arg));
    7527          134 :   result_type = gfc_get_int_type (gfc_default_integer_kind);
    7528              : 
    7529              :   /* Which variant of the builtin should we call?  */
    7530          134 :   if (argsize <= INT_TYPE_SIZE)
    7531              :     {
    7532          108 :       arg_type = unsigned_type_node;
    7533          198 :       func = builtin_decl_explicit (parity
    7534              :                                     ? BUILT_IN_PARITY
    7535              :                                     : BUILT_IN_POPCOUNT);
    7536              :     }
    7537           26 :   else if (argsize <= LONG_TYPE_SIZE)
    7538              :     {
    7539           12 :       arg_type = long_unsigned_type_node;
    7540           18 :       func = builtin_decl_explicit (parity
    7541              :                                     ? BUILT_IN_PARITYL
    7542              :                                     : BUILT_IN_POPCOUNTL);
    7543              :     }
    7544           14 :   else if (argsize <= LONG_LONG_TYPE_SIZE)
    7545              :     {
    7546            0 :       arg_type = long_long_unsigned_type_node;
    7547            0 :       func = builtin_decl_explicit (parity
    7548              :                                     ? BUILT_IN_PARITYLL
    7549              :                                     : BUILT_IN_POPCOUNTLL);
    7550              :     }
    7551              :   else
    7552              :     {
    7553              :       /* Our argument type is larger than 'long long', which mean none
    7554              :          of the POPCOUNT builtins covers it.  We thus call the 'long long'
    7555              :          variant multiple times, and add the results.  */
    7556           14 :       tree utype, arg2, call1, call2;
    7557              : 
    7558              :       /* For now, we only cover the case where argsize is twice as large
    7559              :          as 'long long'.  */
    7560           14 :       gcc_assert (argsize == 2 * LONG_LONG_TYPE_SIZE);
    7561              : 
    7562           21 :       func = builtin_decl_explicit (parity
    7563              :                                     ? BUILT_IN_PARITYLL
    7564              :                                     : BUILT_IN_POPCOUNTLL);
    7565              : 
    7566              :       /* Convert it to an integer, and store into a variable.  */
    7567           14 :       utype = gfc_build_uint_type (argsize);
    7568           14 :       arg = fold_convert (utype, arg);
    7569           14 :       arg = gfc_evaluate_now (arg, &se->pre);
    7570              : 
    7571              :       /* Call the builtin twice.  */
    7572           14 :       call1 = build_call_expr_loc (input_location, func, 1,
    7573              :                                    fold_convert (long_long_unsigned_type_node,
    7574              :                                                  arg));
    7575              : 
    7576           14 :       arg2 = fold_build2_loc (input_location, RSHIFT_EXPR, utype, arg,
    7577              :                               build_int_cst (utype, LONG_LONG_TYPE_SIZE));
    7578           14 :       call2 = build_call_expr_loc (input_location, func, 1,
    7579              :                                    fold_convert (long_long_unsigned_type_node,
    7580              :                                                  arg2));
    7581              : 
    7582              :       /* Combine the results.  */
    7583           14 :       if (parity)
    7584            7 :         se->expr = fold_build2_loc (input_location, BIT_XOR_EXPR,
    7585              :                                     integer_type_node, call1, call2);
    7586              :       else
    7587            7 :         se->expr = fold_build2_loc (input_location, PLUS_EXPR,
    7588              :                                     integer_type_node, call1, call2);
    7589              : 
    7590           14 :       se->expr = convert (result_type, se->expr);
    7591           14 :       return;
    7592              :     }
    7593              : 
    7594              :   /* Convert the actual argument twice: first, to the unsigned type of the
    7595              :      same size; then, to the proper argument type for the built-in
    7596              :      function.  */
    7597          120 :   arg = fold_convert (gfc_build_uint_type (argsize), arg);
    7598          120 :   arg = fold_convert (arg_type, arg);
    7599              : 
    7600          120 :   se->expr = fold_convert (result_type,
    7601              :                            build_call_expr_loc (input_location, func, 1, arg));
    7602              : }
    7603              : 
    7604              : 
    7605              : /* Process an intrinsic with unspecified argument-types that has an optional
    7606              :    argument (which could be of type character), e.g. EOSHIFT.  For those, we
    7607              :    need to append the string length of the optional argument if it is not
    7608              :    present and the type is really character.
    7609              :    primary specifies the position (starting at 1) of the non-optional argument
    7610              :    specifying the type and optional gives the position of the optional
    7611              :    argument in the arglist.  */
    7612              : 
    7613              : static void
    7614         5879 : conv_generic_with_optional_char_arg (gfc_se* se, gfc_expr* expr,
    7615              :                                      unsigned primary, unsigned optional)
    7616              : {
    7617         5879 :   gfc_actual_arglist* prim_arg;
    7618         5879 :   gfc_actual_arglist* opt_arg;
    7619         5879 :   unsigned cur_pos;
    7620         5879 :   gfc_actual_arglist* arg;
    7621         5879 :   gfc_symbol* sym;
    7622         5879 :   vec<tree, va_gc> *append_args;
    7623              : 
    7624              :   /* Find the two arguments given as position.  */
    7625         5879 :   cur_pos = 0;
    7626         5879 :   prim_arg = NULL;
    7627         5879 :   opt_arg = NULL;
    7628        17637 :   for (arg = expr->value.function.actual; arg; arg = arg->next)
    7629              :     {
    7630        17637 :       ++cur_pos;
    7631              : 
    7632        17637 :       if (cur_pos == primary)
    7633         5879 :         prim_arg = arg;
    7634        17637 :       if (cur_pos == optional)
    7635         5879 :         opt_arg = arg;
    7636              : 
    7637        17637 :       if (cur_pos >= primary && cur_pos >= optional)
    7638              :         break;
    7639              :     }
    7640         5879 :   gcc_assert (prim_arg);
    7641         5879 :   gcc_assert (prim_arg->expr);
    7642         5879 :   gcc_assert (opt_arg);
    7643              : 
    7644              :   /* If we do have type CHARACTER and the optional argument is really absent,
    7645              :      append a dummy 0 as string length.  */
    7646         5879 :   append_args = NULL;
    7647         5879 :   if (prim_arg->expr->ts.type == BT_CHARACTER && !opt_arg->expr)
    7648              :     {
    7649          608 :       tree dummy;
    7650              : 
    7651          608 :       dummy = build_int_cst (gfc_charlen_type_node, 0);
    7652          608 :       vec_alloc (append_args, 1);
    7653          608 :       append_args->quick_push (dummy);
    7654              :     }
    7655              : 
    7656              :   /* Build the call itself.  */
    7657         5879 :   gcc_assert (!se->ignore_optional);
    7658         5879 :   sym = gfc_get_symbol_for_expr (expr, false);
    7659         5879 :   gfc_conv_procedure_call (se, sym, expr->value.function.actual, expr,
    7660              :                           append_args);
    7661         5879 :   gfc_free_symbol (sym);
    7662         5879 : }
    7663              : 
    7664              : /* The length of a character string.  */
    7665              : static void
    7666         5946 : gfc_conv_intrinsic_len (gfc_se * se, gfc_expr * expr)
    7667              : {
    7668         5946 :   tree len;
    7669         5946 :   tree type;
    7670         5946 :   tree decl;
    7671         5946 :   gfc_symbol *sym;
    7672         5946 :   gfc_se argse;
    7673         5946 :   gfc_expr *arg;
    7674              : 
    7675         5946 :   gcc_assert (!se->ss);
    7676              : 
    7677         5946 :   arg = expr->value.function.actual->expr;
    7678              : 
    7679         5946 :   type = gfc_typenode_for_spec (&expr->ts);
    7680         5946 :   switch (arg->expr_type)
    7681              :     {
    7682            0 :     case EXPR_CONSTANT:
    7683            0 :       len = build_int_cst (gfc_charlen_type_node, arg->value.character.length);
    7684            0 :       break;
    7685              : 
    7686            2 :     case EXPR_ARRAY:
    7687              :       /* If there is an explicit type-spec, use it.  */
    7688            2 :       if (arg->ts.u.cl->length && arg->ts.u.cl->length_from_typespec)
    7689              :         {
    7690            0 :           gfc_conv_string_length (arg->ts.u.cl, arg, &se->pre);
    7691            0 :           len = arg->ts.u.cl->backend_decl;
    7692            0 :           break;
    7693              :         }
    7694              : 
    7695              :       /* Obtain the string length from the function used by
    7696              :          trans-array.cc(gfc_trans_array_constructor).  */
    7697            2 :       len = NULL_TREE;
    7698            2 :       get_array_ctor_strlen (&se->pre, arg->value.constructor, &len);
    7699            2 :       break;
    7700              : 
    7701         5359 :     case EXPR_VARIABLE:
    7702         5359 :       if (arg->ref == NULL
    7703         2416 :             || (arg->ref->next == NULL && arg->ref->type == REF_ARRAY))
    7704              :         {
    7705              :           /* This doesn't catch all cases.
    7706              :              See http://gcc.gnu.org/ml/fortran/2004-06/msg00165.html
    7707              :              and the surrounding thread.  */
    7708         4826 :           sym = arg->symtree->n.sym;
    7709         4826 :           decl = gfc_get_symbol_decl (sym);
    7710         4826 :           if (decl == current_function_decl && sym->attr.function
    7711           55 :                 && (sym->result == sym))
    7712           55 :             decl = gfc_get_fake_result_decl (sym, 0);
    7713              : 
    7714         4826 :           len = sym->ts.u.cl->backend_decl;
    7715         4826 :           gcc_assert (len);
    7716              :           break;
    7717              :         }
    7718              : 
    7719              :       /* Fall through.  */
    7720              : 
    7721         1118 :     default:
    7722         1118 :       gfc_init_se (&argse, se);
    7723         1118 :       if (arg->rank == 0)
    7724          996 :         gfc_conv_expr (&argse, arg);
    7725              :       else
    7726          122 :         gfc_conv_expr_descriptor (&argse, arg);
    7727         1118 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    7728         1118 :       gfc_add_block_to_block (&se->post, &argse.post);
    7729         1118 :       len = argse.string_length;
    7730         1118 :       break;
    7731              :     }
    7732         5946 :   se->expr = convert (type, len);
    7733         5946 : }
    7734              : 
    7735              : /* The length of a character string not including trailing blanks.  */
    7736              : static void
    7737         2340 : gfc_conv_intrinsic_len_trim (gfc_se * se, gfc_expr * expr)
    7738              : {
    7739         2340 :   int kind = expr->value.function.actual->expr->ts.kind;
    7740         2340 :   tree args[2], type, fndecl;
    7741              : 
    7742         2340 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    7743         2340 :   type = gfc_typenode_for_spec (&expr->ts);
    7744              : 
    7745         2340 :   if (kind == 1)
    7746         1938 :     fndecl = gfor_fndecl_string_len_trim;
    7747          402 :   else if (kind == 4)
    7748          402 :     fndecl = gfor_fndecl_string_len_trim_char4;
    7749              :   else
    7750            0 :     gcc_unreachable ();
    7751              : 
    7752         2340 :   se->expr = build_call_expr_loc (input_location,
    7753              :                               fndecl, 2, args[0], args[1]);
    7754         2340 :   se->expr = convert (type, se->expr);
    7755         2340 : }
    7756              : 
    7757              : 
    7758              : /* Returns the starting position of a substring within a string.  */
    7759              : 
    7760              : static void
    7761          751 : gfc_conv_intrinsic_index_scan_verify (gfc_se * se, gfc_expr * expr,
    7762              :                                       tree function)
    7763              : {
    7764          751 :   tree logical4_type_node = gfc_get_logical_type (4);
    7765          751 :   tree type;
    7766          751 :   tree fndecl;
    7767          751 :   tree *args;
    7768          751 :   unsigned int num_args;
    7769              : 
    7770          751 :   args = XALLOCAVEC (tree, 5);
    7771              : 
    7772              :   /* Get number of arguments; characters count double due to the
    7773              :      string length argument. Kind= is not passed to the library
    7774              :      and thus ignored.  */
    7775          751 :   if (expr->value.function.actual->next->next->expr == NULL)
    7776              :     num_args = 4;
    7777              :   else
    7778          304 :     num_args = 5;
    7779              : 
    7780          751 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
    7781          751 :   type = gfc_typenode_for_spec (&expr->ts);
    7782              : 
    7783          751 :   if (num_args == 4)
    7784          447 :     args[4] = build_int_cst (logical4_type_node, 0);
    7785              :   else
    7786          304 :     args[4] = convert (logical4_type_node, args[4]);
    7787              : 
    7788          751 :   fndecl = build_addr (function);
    7789          751 :   se->expr = build_call_array_loc (input_location,
    7790          751 :                                TREE_TYPE (TREE_TYPE (function)), fndecl,
    7791              :                                5, args);
    7792          751 :   se->expr = convert (type, se->expr);
    7793              : 
    7794          751 : }
    7795              : 
    7796              : /* The ascii value for a single character.  */
    7797              : static void
    7798         2033 : gfc_conv_intrinsic_ichar (gfc_se * se, gfc_expr * expr)
    7799              : {
    7800         2033 :   tree args[3], type, pchartype;
    7801         2033 :   int nargs;
    7802              : 
    7803         2033 :   nargs = gfc_intrinsic_argument_list_length (expr);
    7804         2033 :   gfc_conv_intrinsic_function_args (se, expr, args, nargs);
    7805         2033 :   gcc_assert (POINTER_TYPE_P (TREE_TYPE (args[1])));
    7806         2033 :   pchartype = gfc_get_pchar_type (expr->value.function.actual->expr->ts.kind);
    7807         2033 :   args[1] = fold_build1_loc (input_location, NOP_EXPR, pchartype, args[1]);
    7808         2033 :   type = gfc_typenode_for_spec (&expr->ts);
    7809              : 
    7810         2033 :   se->expr = build_fold_indirect_ref_loc (input_location,
    7811              :                                       args[1]);
    7812         2033 :   se->expr = convert (type, se->expr);
    7813         2033 : }
    7814              : 
    7815              : 
    7816              : /* Intrinsic ISNAN calls __builtin_isnan.  */
    7817              : 
    7818              : static void
    7819          432 : gfc_conv_intrinsic_isnan (gfc_se * se, gfc_expr * expr)
    7820              : {
    7821          432 :   tree arg;
    7822              : 
    7823          432 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    7824          432 :   se->expr = build_call_expr_loc (input_location,
    7825              :                                   builtin_decl_explicit (BUILT_IN_ISNAN),
    7826              :                                   1, arg);
    7827          864 :   STRIP_TYPE_NOPS (se->expr);
    7828          432 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), se->expr);
    7829          432 : }
    7830              : 
    7831              : 
    7832              : /* Intrinsics IS_IOSTAT_END and IS_IOSTAT_EOR just need to compare
    7833              :    their argument against a constant integer value.  */
    7834              : 
    7835              : static void
    7836           24 : gfc_conv_has_intvalue (gfc_se * se, gfc_expr * expr, const int value)
    7837              : {
    7838           24 :   tree arg;
    7839              : 
    7840           24 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    7841           24 :   se->expr = fold_build2_loc (input_location, EQ_EXPR,
    7842              :                               gfc_typenode_for_spec (&expr->ts),
    7843           24 :                               arg, build_int_cst (TREE_TYPE (arg), value));
    7844           24 : }
    7845              : 
    7846              : 
    7847              : 
    7848              : /* MERGE (tsource, fsource, mask) = mask ? tsource : fsource.  */
    7849              : 
    7850              : static void
    7851          949 : gfc_conv_intrinsic_merge (gfc_se * se, gfc_expr * expr)
    7852              : {
    7853          949 :   tree tsource;
    7854          949 :   tree fsource;
    7855          949 :   tree mask;
    7856          949 :   tree type;
    7857          949 :   tree len, len2;
    7858          949 :   tree *args;
    7859          949 :   unsigned int num_args;
    7860              : 
    7861          949 :   num_args = gfc_intrinsic_argument_list_length (expr);
    7862          949 :   args = XALLOCAVEC (tree, num_args);
    7863              : 
    7864          949 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
    7865          949 :   if (expr->ts.type != BT_CHARACTER)
    7866              :     {
    7867          422 :       tsource = args[0];
    7868          422 :       fsource = args[1];
    7869          422 :       mask = args[2];
    7870              :     }
    7871              :   else
    7872              :     {
    7873              :       /* We do the same as in the non-character case, but the argument
    7874              :          list is different because of the string length arguments. We
    7875              :          also have to set the string length for the result.  */
    7876          527 :       len = args[0];
    7877          527 :       tsource = args[1];
    7878          527 :       len2 = args[2];
    7879          527 :       fsource = args[3];
    7880          527 :       mask = args[4];
    7881              : 
    7882          527 :       gfc_trans_same_strlen_check ("MERGE intrinsic", &expr->where, len, len2,
    7883              :                                    &se->pre);
    7884          527 :       se->string_length = len;
    7885              :     }
    7886          949 :   tsource = gfc_evaluate_now (tsource, &se->pre);
    7887          949 :   fsource = gfc_evaluate_now (fsource, &se->pre);
    7888          949 :   mask = gfc_evaluate_now (mask, &se->pre);
    7889          949 :   type = TREE_TYPE (tsource);
    7890          949 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, mask, tsource,
    7891              :                               fold_convert (type, fsource));
    7892          949 : }
    7893              : 
    7894              : 
    7895              : /* MERGE_BITS (I, J, MASK) = (I & MASK) | (I & (~MASK)).  */
    7896              : 
    7897              : static void
    7898           42 : gfc_conv_intrinsic_merge_bits (gfc_se * se, gfc_expr * expr)
    7899              : {
    7900           42 :   tree args[3], mask, type;
    7901              : 
    7902           42 :   gfc_conv_intrinsic_function_args (se, expr, args, 3);
    7903           42 :   mask = gfc_evaluate_now (args[2], &se->pre);
    7904              : 
    7905           42 :   type = TREE_TYPE (args[0]);
    7906           42 :   gcc_assert (TREE_TYPE (args[1]) == type);
    7907           42 :   gcc_assert (TREE_TYPE (mask) == type);
    7908              : 
    7909           42 :   args[0] = fold_build2_loc (input_location, BIT_AND_EXPR, type, args[0], mask);
    7910           42 :   args[1] = fold_build2_loc (input_location, BIT_AND_EXPR, type, args[1],
    7911              :                              fold_build1_loc (input_location, BIT_NOT_EXPR,
    7912              :                                               type, mask));
    7913           42 :   se->expr = fold_build2_loc (input_location, BIT_IOR_EXPR, type,
    7914              :                               args[0], args[1]);
    7915           42 : }
    7916              : 
    7917              : 
    7918              : /* MASKL(n)  =  n == 0 ? 0 : (~0) << (BIT_SIZE - n)
    7919              :    MASKR(n)  =  n == BIT_SIZE ? ~0 : ~((~0) << n)  */
    7920              : 
    7921              : static void
    7922           64 : gfc_conv_intrinsic_mask (gfc_se * se, gfc_expr * expr, int left)
    7923              : {
    7924           64 :   tree arg, allones, type, utype, res, cond, bitsize;
    7925           64 :   int i;
    7926              : 
    7927           64 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    7928           64 :   arg = gfc_evaluate_now (arg, &se->pre);
    7929              : 
    7930           64 :   type = gfc_get_int_type (expr->ts.kind);
    7931           64 :   utype = unsigned_type_for (type);
    7932              : 
    7933           64 :   i = gfc_validate_kind (BT_INTEGER, expr->ts.kind, false);
    7934           64 :   bitsize = build_int_cst (TREE_TYPE (arg), gfc_integer_kinds[i].bit_size);
    7935              : 
    7936           64 :   allones = fold_build1_loc (input_location, BIT_NOT_EXPR, utype,
    7937              :                              build_int_cst (utype, 0));
    7938              : 
    7939           64 :   if (left)
    7940              :     {
    7941              :       /* Left-justified mask.  */
    7942           32 :       res = fold_build2_loc (input_location, MINUS_EXPR, TREE_TYPE (arg),
    7943              :                              bitsize, arg);
    7944           32 :       res = fold_build2_loc (input_location, LSHIFT_EXPR, utype, allones,
    7945              :                              fold_convert (utype, res));
    7946              : 
    7947              :       /* Special case arg == 0, because SHIFT_EXPR wants a shift strictly
    7948              :          smaller than type width.  */
    7949           32 :       cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, arg,
    7950           32 :                               build_int_cst (TREE_TYPE (arg), 0));
    7951           32 :       res = fold_build3_loc (input_location, COND_EXPR, utype, cond,
    7952              :                              build_int_cst (utype, 0), res);
    7953              :     }
    7954              :   else
    7955              :     {
    7956              :       /* Right-justified mask.  */
    7957           32 :       res = fold_build2_loc (input_location, LSHIFT_EXPR, utype, allones,
    7958              :                              fold_convert (utype, arg));
    7959           32 :       res = fold_build1_loc (input_location, BIT_NOT_EXPR, utype, res);
    7960              : 
    7961              :       /* Special case agr == bit_size, because SHIFT_EXPR wants a shift
    7962              :          strictly smaller than type width.  */
    7963           32 :       cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    7964              :                               arg, bitsize);
    7965           32 :       res = fold_build3_loc (input_location, COND_EXPR, utype,
    7966              :                              cond, allones, res);
    7967              :     }
    7968              : 
    7969           64 :   se->expr = fold_convert (type, res);
    7970           64 : }
    7971              : 
    7972              : 
    7973              : /* FRACTION (s) is translated into:
    7974              :      isfinite (s) ? frexp (s, &dummy_int) : NaN  */
    7975              : static void
    7976           60 : gfc_conv_intrinsic_fraction (gfc_se * se, gfc_expr * expr)
    7977              : {
    7978           60 :   tree arg, type, tmp, res, frexp, cond;
    7979              : 
    7980           60 :   frexp = gfc_builtin_decl_for_float_kind (BUILT_IN_FREXP, expr->ts.kind);
    7981              : 
    7982           60 :   type = gfc_typenode_for_spec (&expr->ts);
    7983           60 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    7984           60 :   arg = gfc_evaluate_now (arg, &se->pre);
    7985              : 
    7986           60 :   cond = build_call_expr_loc (input_location,
    7987              :                               builtin_decl_explicit (BUILT_IN_ISFINITE),
    7988              :                               1, arg);
    7989              : 
    7990           60 :   tmp = gfc_create_var (integer_type_node, NULL);
    7991           60 :   res = build_call_expr_loc (input_location, frexp, 2,
    7992              :                              fold_convert (type, arg),
    7993              :                              gfc_build_addr_expr (NULL_TREE, tmp));
    7994           60 :   res = fold_convert (type, res);
    7995              : 
    7996           60 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type,
    7997              :                               cond, res, gfc_build_nan (type, ""));
    7998           60 : }
    7999              : 
    8000              : 
    8001              : /* NEAREST (s, dir) is translated into
    8002              :      tmp = copysign (HUGE_VAL, dir);
    8003              :      return nextafter (s, tmp);
    8004              :  */
    8005              : static void
    8006         1595 : gfc_conv_intrinsic_nearest (gfc_se * se, gfc_expr * expr)
    8007              : {
    8008         1595 :   tree args[2], type, tmp, nextafter, copysign, huge_val;
    8009              : 
    8010         1595 :   nextafter = gfc_builtin_decl_for_float_kind (BUILT_IN_NEXTAFTER, expr->ts.kind);
    8011         1595 :   copysign = gfc_builtin_decl_for_float_kind (BUILT_IN_COPYSIGN, expr->ts.kind);
    8012              : 
    8013         1595 :   type = gfc_typenode_for_spec (&expr->ts);
    8014         1595 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    8015              : 
    8016         1595 :   huge_val = gfc_build_inf_or_huge (type, expr->ts.kind);
    8017         1595 :   tmp = build_call_expr_loc (input_location, copysign, 2, huge_val,
    8018              :                              fold_convert (type, args[1]));
    8019         1595 :   se->expr = build_call_expr_loc (input_location, nextafter, 2,
    8020              :                                   fold_convert (type, args[0]), tmp);
    8021         1595 :   se->expr = fold_convert (type, se->expr);
    8022         1595 : }
    8023              : 
    8024              : 
    8025              : /* SPACING (s) is translated into
    8026              :     int e;
    8027              :     if (!isfinite (s))
    8028              :       res = NaN;
    8029              :     else if (s == 0)
    8030              :       res = tiny;
    8031              :     else
    8032              :     {
    8033              :       frexp (s, &e);
    8034              :       e = e - prec;
    8035              :       e = MAX_EXPR (e, emin);
    8036              :       res = scalbn (1., e);
    8037              :     }
    8038              :     return res;
    8039              : 
    8040              :  where prec is the precision of s, gfc_real_kinds[k].digits,
    8041              :        emin is min_exponent - 1, gfc_real_kinds[k].min_exponent - 1,
    8042              :    and tiny is tiny(s), gfc_real_kinds[k].tiny.  */
    8043              : 
    8044              : static void
    8045           70 : gfc_conv_intrinsic_spacing (gfc_se * se, gfc_expr * expr)
    8046              : {
    8047           70 :   tree arg, type, prec, emin, tiny, res, e;
    8048           70 :   tree cond, nan, tmp, frexp, scalbn;
    8049           70 :   int k;
    8050           70 :   stmtblock_t block;
    8051              : 
    8052           70 :   k = gfc_validate_kind (BT_REAL, expr->ts.kind, false);
    8053           70 :   prec = build_int_cst (integer_type_node, gfc_real_kinds[k].digits);
    8054           70 :   emin = build_int_cst (integer_type_node, gfc_real_kinds[k].min_exponent - 1);
    8055           70 :   tiny = gfc_conv_mpfr_to_tree (gfc_real_kinds[k].tiny, expr->ts.kind, 0);
    8056              : 
    8057           70 :   frexp = gfc_builtin_decl_for_float_kind (BUILT_IN_FREXP, expr->ts.kind);
    8058           70 :   scalbn = gfc_builtin_decl_for_float_kind (BUILT_IN_SCALBN, expr->ts.kind);
    8059              : 
    8060           70 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    8061           70 :   arg = gfc_evaluate_now (arg, &se->pre);
    8062              : 
    8063           70 :   type = gfc_typenode_for_spec (&expr->ts);
    8064           70 :   e = gfc_create_var (integer_type_node, NULL);
    8065           70 :   res = gfc_create_var (type, NULL);
    8066              : 
    8067              : 
    8068              :   /* Build the block for s /= 0.  */
    8069           70 :   gfc_start_block (&block);
    8070           70 :   tmp = build_call_expr_loc (input_location, frexp, 2, arg,
    8071              :                              gfc_build_addr_expr (NULL_TREE, e));
    8072           70 :   gfc_add_expr_to_block (&block, tmp);
    8073              : 
    8074           70 :   tmp = fold_build2_loc (input_location, MINUS_EXPR, integer_type_node, e,
    8075              :                          prec);
    8076           70 :   gfc_add_modify (&block, e, fold_build2_loc (input_location, MAX_EXPR,
    8077              :                                               integer_type_node, tmp, emin));
    8078              : 
    8079           70 :   tmp = build_call_expr_loc (input_location, scalbn, 2,
    8080           70 :                          build_real_from_int_cst (type, integer_one_node), e);
    8081           70 :   gfc_add_modify (&block, res, tmp);
    8082              : 
    8083              :   /* Finish by building the IF statement for value zero.  */
    8084           70 :   cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, arg,
    8085           70 :                           build_real_from_int_cst (type, integer_zero_node));
    8086           70 :   tmp = build3_v (COND_EXPR, cond, build2_v (MODIFY_EXPR, res, tiny),
    8087              :                   gfc_finish_block (&block));
    8088              : 
    8089              :   /* And deal with infinities and NaNs.  */
    8090           70 :   cond = build_call_expr_loc (input_location,
    8091              :                               builtin_decl_explicit (BUILT_IN_ISFINITE),
    8092              :                               1, arg);
    8093           70 :   nan = gfc_build_nan (type, "");
    8094           70 :   tmp = build3_v (COND_EXPR, cond, tmp, build2_v (MODIFY_EXPR, res, nan));
    8095              : 
    8096           70 :   gfc_add_expr_to_block (&se->pre, tmp);
    8097           70 :   se->expr = res;
    8098           70 : }
    8099              : 
    8100              : 
    8101              : /* RRSPACING (s) is translated into
    8102              :       int e;
    8103              :       real x;
    8104              :       x = fabs (s);
    8105              :       if (isfinite (x))
    8106              :       {
    8107              :         if (x != 0)
    8108              :         {
    8109              :           frexp (s, &e);
    8110              :           x = scalbn (x, precision - e);
    8111              :         }
    8112              :       }
    8113              :       else
    8114              :         x = NaN;
    8115              :       return x;
    8116              : 
    8117              :  where precision is gfc_real_kinds[k].digits.  */
    8118              : 
    8119              : static void
    8120           48 : gfc_conv_intrinsic_rrspacing (gfc_se * se, gfc_expr * expr)
    8121              : {
    8122           48 :   tree arg, type, e, x, cond, nan, stmt, tmp, frexp, scalbn, fabs;
    8123           48 :   int prec, k;
    8124           48 :   stmtblock_t block;
    8125              : 
    8126           48 :   k = gfc_validate_kind (BT_REAL, expr->ts.kind, false);
    8127           48 :   prec = gfc_real_kinds[k].digits;
    8128              : 
    8129           48 :   frexp = gfc_builtin_decl_for_float_kind (BUILT_IN_FREXP, expr->ts.kind);
    8130           48 :   scalbn = gfc_builtin_decl_for_float_kind (BUILT_IN_SCALBN, expr->ts.kind);
    8131           48 :   fabs = gfc_builtin_decl_for_float_kind (BUILT_IN_FABS, expr->ts.kind);
    8132              : 
    8133           48 :   type = gfc_typenode_for_spec (&expr->ts);
    8134           48 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    8135           48 :   arg = gfc_evaluate_now (arg, &se->pre);
    8136              : 
    8137           48 :   e = gfc_create_var (integer_type_node, NULL);
    8138           48 :   x = gfc_create_var (type, NULL);
    8139           48 :   gfc_add_modify (&se->pre, x,
    8140              :                   build_call_expr_loc (input_location, fabs, 1, arg));
    8141              : 
    8142              : 
    8143           48 :   gfc_start_block (&block);
    8144           48 :   tmp = build_call_expr_loc (input_location, frexp, 2, arg,
    8145              :                              gfc_build_addr_expr (NULL_TREE, e));
    8146           48 :   gfc_add_expr_to_block (&block, tmp);
    8147              : 
    8148           48 :   tmp = fold_build2_loc (input_location, MINUS_EXPR, integer_type_node,
    8149           48 :                          build_int_cst (integer_type_node, prec), e);
    8150           48 :   tmp = build_call_expr_loc (input_location, scalbn, 2, x, tmp);
    8151           48 :   gfc_add_modify (&block, x, tmp);
    8152           48 :   stmt = gfc_finish_block (&block);
    8153              : 
    8154              :   /* if (x != 0) */
    8155           48 :   cond = fold_build2_loc (input_location, NE_EXPR, logical_type_node, x,
    8156           48 :                           build_real_from_int_cst (type, integer_zero_node));
    8157           48 :   tmp = build3_v (COND_EXPR, cond, stmt, build_empty_stmt (input_location));
    8158              : 
    8159              :   /* And deal with infinities and NaNs.  */
    8160           48 :   cond = build_call_expr_loc (input_location,
    8161              :                               builtin_decl_explicit (BUILT_IN_ISFINITE),
    8162              :                               1, x);
    8163           48 :   nan = gfc_build_nan (type, "");
    8164           48 :   tmp = build3_v (COND_EXPR, cond, tmp, build2_v (MODIFY_EXPR, x, nan));
    8165              : 
    8166           48 :   gfc_add_expr_to_block (&se->pre, tmp);
    8167           48 :   se->expr = fold_convert (type, x);
    8168           48 : }
    8169              : 
    8170              : 
    8171              : /* SCALE (s, i) is translated into scalbn (s, i).  */
    8172              : static void
    8173           72 : gfc_conv_intrinsic_scale (gfc_se * se, gfc_expr * expr)
    8174              : {
    8175           72 :   tree args[2], type, scalbn;
    8176              : 
    8177           72 :   scalbn = gfc_builtin_decl_for_float_kind (BUILT_IN_SCALBN, expr->ts.kind);
    8178              : 
    8179           72 :   type = gfc_typenode_for_spec (&expr->ts);
    8180           72 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    8181           72 :   se->expr = build_call_expr_loc (input_location, scalbn, 2,
    8182              :                                   fold_convert (type, args[0]),
    8183              :                                   fold_convert (integer_type_node, args[1]));
    8184           72 :   se->expr = fold_convert (type, se->expr);
    8185           72 : }
    8186              : 
    8187              : 
    8188              : /* SET_EXPONENT (s, i) is translated into
    8189              :    isfinite(s) ? scalbn (frexp (s, &dummy_int), i) : NaN  */
    8190              : static void
    8191          262 : gfc_conv_intrinsic_set_exponent (gfc_se * se, gfc_expr * expr)
    8192              : {
    8193          262 :   tree args[2], type, tmp, frexp, scalbn, cond, nan, res;
    8194              : 
    8195          262 :   frexp = gfc_builtin_decl_for_float_kind (BUILT_IN_FREXP, expr->ts.kind);
    8196          262 :   scalbn = gfc_builtin_decl_for_float_kind (BUILT_IN_SCALBN, expr->ts.kind);
    8197              : 
    8198          262 :   type = gfc_typenode_for_spec (&expr->ts);
    8199          262 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    8200          262 :   args[0] = gfc_evaluate_now (args[0], &se->pre);
    8201              : 
    8202          262 :   tmp = gfc_create_var (integer_type_node, NULL);
    8203          262 :   tmp = build_call_expr_loc (input_location, frexp, 2,
    8204              :                              fold_convert (type, args[0]),
    8205              :                              gfc_build_addr_expr (NULL_TREE, tmp));
    8206          262 :   res = build_call_expr_loc (input_location, scalbn, 2, tmp,
    8207              :                              fold_convert (integer_type_node, args[1]));
    8208          262 :   res = fold_convert (type, res);
    8209              : 
    8210              :   /* Call to isfinite */
    8211          262 :   cond = build_call_expr_loc (input_location,
    8212              :                               builtin_decl_explicit (BUILT_IN_ISFINITE),
    8213              :                               1, args[0]);
    8214          262 :   nan = gfc_build_nan (type, "");
    8215              : 
    8216          262 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, cond,
    8217              :                               res, nan);
    8218          262 : }
    8219              : 
    8220              : 
    8221              : static void
    8222        15631 : gfc_conv_intrinsic_size (gfc_se * se, gfc_expr * expr)
    8223              : {
    8224        15631 :   gfc_actual_arglist *actual;
    8225        15631 :   tree arg1;
    8226        15631 :   tree type;
    8227        15631 :   tree size;
    8228        15631 :   gfc_se argse;
    8229        15631 :   gfc_expr *e;
    8230        15631 :   gfc_symbol *sym = NULL;
    8231              : 
    8232        15631 :   gfc_init_se (&argse, NULL);
    8233        15631 :   actual = expr->value.function.actual;
    8234              : 
    8235        15631 :   if (actual->expr->ts.type == BT_CLASS)
    8236          627 :     gfc_add_class_array_ref (actual->expr);
    8237              : 
    8238        15631 :   e = actual->expr;
    8239              : 
    8240              :   /* These are emerging from the interface mapping, when a class valued
    8241              :      function appears as the rhs in a realloc on assign statement, where
    8242              :      the size of the result is that of one of the actual arguments.  */
    8243        15631 :   if (e->expr_type == EXPR_VARIABLE
    8244        15149 :       && e->symtree->n.sym->ns == NULL /* This is distinctive!  */
    8245          573 :       && e->symtree->n.sym->ts.type == BT_CLASS
    8246           62 :       && e->ref && e->ref->type == REF_COMPONENT
    8247           44 :       && strcmp (e->ref->u.c.component->name, "_data") == 0)
    8248        15631 :     sym = e->symtree->n.sym;
    8249              : 
    8250        15631 :   if ((gfc_option.rtcheck & GFC_RTCHECK_POINTER)
    8251              :       && e
    8252          854 :       && (e->expr_type == EXPR_VARIABLE || e->expr_type == EXPR_FUNCTION))
    8253              :     {
    8254          854 :       symbol_attribute attr;
    8255          854 :       char *msg;
    8256          854 :       tree temp;
    8257          854 :       tree cond;
    8258              : 
    8259          854 :       if (e->symtree->n.sym && IS_CLASS_ARRAY (e->symtree->n.sym))
    8260              :         {
    8261           33 :           attr = CLASS_DATA (e->symtree->n.sym)->attr;
    8262           33 :           attr.pointer = attr.class_pointer;
    8263              :         }
    8264              :       else
    8265          821 :         attr = gfc_expr_attr (e);
    8266              : 
    8267          854 :       if (attr.allocatable)
    8268          100 :         msg = xasprintf ("Allocatable argument '%s' is not allocated",
    8269          100 :                          e->symtree->n.sym->name);
    8270          754 :       else if (attr.pointer)
    8271           46 :         msg = xasprintf ("Pointer argument '%s' is not associated",
    8272           46 :                          e->symtree->n.sym->name);
    8273              :       else
    8274          708 :         goto end_arg_check;
    8275              : 
    8276          146 :       if (sym)
    8277              :         {
    8278            0 :           temp = gfc_class_data_get (sym->backend_decl);
    8279            0 :           temp = gfc_conv_descriptor_data_get (temp);
    8280              :         }
    8281              :       else
    8282              :         {
    8283          146 :           argse.descriptor_only = 1;
    8284          146 :           gfc_conv_expr_descriptor (&argse, actual->expr);
    8285          146 :           temp = gfc_conv_descriptor_data_get (argse.expr);
    8286              :         }
    8287              : 
    8288          146 :       cond = fold_build2_loc (input_location, EQ_EXPR,
    8289              :                               logical_type_node, temp,
    8290          146 :                               fold_convert (TREE_TYPE (temp),
    8291              :                                             null_pointer_node));
    8292          146 :       gfc_trans_runtime_check (true, false, cond, &argse.pre, &e->where, msg);
    8293              : 
    8294          146 :       free (msg);
    8295              :     }
    8296        14777 :  end_arg_check:
    8297              : 
    8298        15631 :   argse.data_not_needed = 1;
    8299        15631 :   if (gfc_is_class_array_function (e))
    8300              :     {
    8301              :       /* For functions that return a class array conv_expr_descriptor is not
    8302              :          able to get the descriptor right.  Therefore this special case.  */
    8303            7 :       gfc_conv_expr_reference (&argse, e);
    8304            7 :       argse.expr = gfc_class_data_get (argse.expr);
    8305              :     }
    8306        15624 :   else if (sym && sym->backend_decl)
    8307              :     {
    8308           32 :       gcc_assert (GFC_CLASS_TYPE_P (TREE_TYPE (sym->backend_decl)));
    8309           32 :       argse.expr = gfc_class_data_get (sym->backend_decl);
    8310              :     }
    8311              :   else
    8312        15592 :     gfc_conv_expr_descriptor (&argse, actual->expr);
    8313        15631 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    8314        15631 :   gfc_add_block_to_block (&se->post, &argse.post);
    8315        15631 :   arg1 = argse.expr;
    8316              : 
    8317        15631 :   actual = actual->next;
    8318        15631 :   if (actual->expr)
    8319              :     {
    8320         9355 :       stmtblock_t block;
    8321         9355 :       gfc_init_block (&block);
    8322         9355 :       gfc_init_se (&argse, NULL);
    8323         9355 :       gfc_conv_expr_type (&argse, actual->expr,
    8324              :                           gfc_array_index_type);
    8325         9355 :       gfc_add_block_to_block (&block, &argse.pre);
    8326         9355 :       tree tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
    8327              :                              argse.expr, gfc_index_one_node);
    8328         9355 :       size = gfc_tree_array_size (&block, arg1, e, tmp);
    8329              : 
    8330              :       /* Unusually, for an intrinsic, size does not exclude
    8331              :          an optional arg2, so we must test for it.  */
    8332         9355 :       if (actual->expr->expr_type == EXPR_VARIABLE
    8333         2571 :             && actual->expr->symtree->n.sym->attr.dummy
    8334           31 :             && actual->expr->symtree->n.sym->attr.optional)
    8335              :         {
    8336           31 :           tree cond;
    8337           31 :           stmtblock_t block2;
    8338           31 :           gfc_init_block (&block2);
    8339           31 :           gfc_init_se (&argse, NULL);
    8340           31 :           argse.want_pointer = 1;
    8341           31 :           argse.data_not_needed = 1;
    8342           31 :           gfc_conv_expr (&argse, actual->expr);
    8343           31 :           gfc_add_block_to_block (&se->pre, &argse.pre);
    8344              :           /* 'block2' contains the arg2 absent case, 'block' the arg2 present
    8345              :               case; size_var can be used in both blocks. */
    8346           31 :           tree size_var = gfc_create_var (TREE_TYPE (size), "size");
    8347           31 :           tmp = fold_build2_loc (input_location, MODIFY_EXPR,
    8348           31 :                                  TREE_TYPE (size_var), size_var, size);
    8349           31 :           gfc_add_expr_to_block (&block, tmp);
    8350           31 :           size = gfc_tree_array_size (&block2, arg1, e, NULL_TREE);
    8351           31 :           tmp = fold_build2_loc (input_location, MODIFY_EXPR,
    8352           31 :                                  TREE_TYPE (size_var), size_var, size);
    8353           31 :           gfc_add_expr_to_block (&block2, tmp);
    8354           31 :           cond = gfc_conv_expr_present (actual->expr->symtree->n.sym);
    8355           31 :           tmp = build3_v (COND_EXPR, cond, gfc_finish_block (&block),
    8356              :                           gfc_finish_block (&block2));
    8357           31 :           gfc_add_expr_to_block (&se->pre, tmp);
    8358           31 :           size = size_var;
    8359           31 :         }
    8360              :       else
    8361         9324 :         gfc_add_block_to_block (&se->pre, &block);
    8362              :     }
    8363              :   else
    8364         6276 :     size = gfc_tree_array_size (&se->pre, arg1, e, NULL_TREE);
    8365        15631 :   type = gfc_typenode_for_spec (&expr->ts);
    8366        15631 :   se->expr = convert (type, size);
    8367        15631 : }
    8368              : 
    8369              : 
    8370              : /* Helper function to compute the size of a character variable,
    8371              :    excluding the terminating null characters.  The result has
    8372              :    gfc_array_index_type type.  */
    8373              : 
    8374              : tree
    8375         1918 : size_of_string_in_bytes (int kind, tree string_length)
    8376              : {
    8377         1918 :   tree bytesize;
    8378         1918 :   int i = gfc_validate_kind (BT_CHARACTER, kind, false);
    8379              : 
    8380         3836 :   bytesize = build_int_cst (gfc_array_index_type,
    8381         1918 :                             gfc_character_kinds[i].bit_size / 8);
    8382              : 
    8383         1918 :   return fold_build2_loc (input_location, MULT_EXPR, gfc_array_index_type,
    8384              :                           bytesize,
    8385         1918 :                           fold_convert (gfc_array_index_type, string_length));
    8386              : }
    8387              : 
    8388              : 
    8389              : static void
    8390         1309 : gfc_conv_intrinsic_sizeof (gfc_se *se, gfc_expr *expr)
    8391              : {
    8392         1309 :   gfc_expr *arg;
    8393         1309 :   gfc_se argse;
    8394         1309 :   tree source_bytes;
    8395         1309 :   tree tmp;
    8396         1309 :   tree lower;
    8397         1309 :   tree upper;
    8398         1309 :   tree byte_size;
    8399         1309 :   int n;
    8400              : 
    8401         1309 :   gfc_init_se (&argse, NULL);
    8402         1309 :   arg = expr->value.function.actual->expr;
    8403              : 
    8404         1309 :   if (arg->rank || arg->ts.type == BT_ASSUMED)
    8405         1012 :     gfc_conv_expr_descriptor (&argse, arg);
    8406              :   else
    8407          297 :     gfc_conv_expr_reference (&argse, arg);
    8408              : 
    8409         1309 :   if (arg->ts.type == BT_ASSUMED)
    8410              :     {
    8411              :       /* This only works if an array descriptor has been passed; thus, extract
    8412              :          the size from the descriptor.  */
    8413          172 :       gcc_assert (TYPE_PRECISION (gfc_array_index_type)
    8414              :                   == TYPE_PRECISION (size_type_node));
    8415          172 :       tmp = arg->symtree->n.sym->backend_decl;
    8416          172 :       tmp = DECL_LANG_SPECIFIC (tmp)
    8417           60 :             && GFC_DECL_SAVED_DESCRIPTOR (tmp) != NULL_TREE
    8418          226 :             ? GFC_DECL_SAVED_DESCRIPTOR (tmp) : tmp;
    8419          172 :       if (POINTER_TYPE_P (TREE_TYPE (tmp)))
    8420          172 :         tmp = build_fold_indirect_ref_loc (input_location, tmp);
    8421              : 
    8422          172 :       tmp = gfc_conv_descriptor_elem_len_get (tmp);
    8423              : 
    8424          172 :       byte_size = fold_convert (gfc_array_index_type, tmp);
    8425              :     }
    8426         1137 :   else if (arg->ts.type == BT_CLASS)
    8427              :     {
    8428              :       /* Conv_expr_descriptor returns a component_ref to _data component of the
    8429              :          class object.  The class object may be a non-pointer object, e.g.
    8430              :          located on the stack, or a memory location pointed to, e.g. a
    8431              :          parameter, i.e., an indirect_ref.  */
    8432          959 :       if (POINTER_TYPE_P (TREE_TYPE (argse.expr))
    8433          589 :           && GFC_CLASS_TYPE_P (TREE_TYPE (TREE_TYPE (argse.expr))))
    8434          198 :         byte_size
    8435          198 :           = gfc_class_vtab_size_get (build_fold_indirect_ref (argse.expr));
    8436          391 :       else if (GFC_CLASS_TYPE_P (TREE_TYPE (argse.expr)))
    8437            0 :         byte_size = gfc_class_vtab_size_get (argse.expr);
    8438          391 :       else if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (argse.expr))
    8439          391 :                && TREE_CODE (argse.expr) == COMPONENT_REF)
    8440          328 :         byte_size = gfc_class_vtab_size_get (TREE_OPERAND (argse.expr, 0));
    8441           63 :       else if (arg->rank > 0
    8442           21 :                || (arg->rank == 0
    8443           21 :                    && arg->ref && arg->ref->type == REF_COMPONENT))
    8444              :         {
    8445              :           /* The scalarizer added an additional temp.  To get the class' vptr
    8446              :              one has to look at the original backend_decl.  */
    8447           63 :           if (argse.class_container)
    8448           21 :             byte_size = gfc_class_vtab_size_get (argse.class_container);
    8449           42 :           else if (DECL_LANG_SPECIFIC (arg->symtree->n.sym->backend_decl))
    8450           84 :             byte_size = gfc_class_vtab_size_get (
    8451           42 :               GFC_DECL_SAVED_DESCRIPTOR (arg->symtree->n.sym->backend_decl));
    8452              :           else
    8453            0 :             gcc_unreachable ();
    8454              :         }
    8455              :       else
    8456            0 :         gcc_unreachable ();
    8457              :     }
    8458              :   else
    8459              :     {
    8460          548 :       if (arg->ts.type == BT_CHARACTER)
    8461           84 :         byte_size = size_of_string_in_bytes (arg->ts.kind, argse.string_length);
    8462              :       else
    8463              :         {
    8464          464 :           if (arg->rank == 0)
    8465            0 :             byte_size = TREE_TYPE (build_fold_indirect_ref_loc (input_location,
    8466              :                                                                 argse.expr));
    8467              :           else
    8468          464 :             byte_size = gfc_get_element_type (TREE_TYPE (argse.expr));
    8469          464 :           byte_size = fold_convert (gfc_array_index_type,
    8470              :                                     size_in_bytes (byte_size));
    8471              :         }
    8472              :     }
    8473              : 
    8474         1309 :   if (arg->rank == 0)
    8475          297 :     se->expr = byte_size;
    8476              :   else
    8477              :     {
    8478         1012 :       source_bytes = gfc_create_var (gfc_array_index_type, "bytes");
    8479         1012 :       gfc_add_modify (&argse.pre, source_bytes, byte_size);
    8480              : 
    8481         1012 :       if (arg->rank == -1)
    8482              :         {
    8483          365 :           tree cond, loop_var, exit_label;
    8484          365 :           stmtblock_t body;
    8485              : 
    8486          365 :           tmp = gfc_conv_descriptor_rank_get (argse.expr);
    8487          365 :           loop_var = gfc_create_var (gfc_array_dim_rank_type, "i");
    8488          365 :           gfc_add_modify (&argse.pre, loop_var, gfc_rank_cst[0]);
    8489          365 :           exit_label = gfc_build_label_decl (NULL_TREE);
    8490              : 
    8491              :           /* Create loop:
    8492              :              for (;;)
    8493              :                 {
    8494              :                   if (i >= rank)
    8495              :                     goto exit;
    8496              :                   source_bytes = source_bytes * array.dim[i].extent;
    8497              :                   i = i + 1;
    8498              :                 }
    8499              :               exit:  */
    8500          365 :           gfc_start_block (&body);
    8501          365 :           cond = fold_build2_loc (input_location, GE_EXPR, logical_type_node,
    8502              :                                   loop_var, tmp);
    8503          365 :           tmp = build1_v (GOTO_EXPR, exit_label);
    8504          365 :           tmp = fold_build3_loc (input_location, COND_EXPR, void_type_node,
    8505              :                                  cond, tmp, build_empty_stmt (input_location));
    8506          365 :           gfc_add_expr_to_block (&body, tmp);
    8507              : 
    8508          365 :           lower = gfc_conv_descriptor_lbound_get (argse.expr, loop_var);
    8509          365 :           upper = gfc_conv_descriptor_ubound_get (argse.expr, loop_var);
    8510          365 :           tmp = gfc_conv_array_extent_dim (lower, upper, NULL);
    8511          365 :           tmp = fold_build2_loc (input_location, MULT_EXPR,
    8512              :                                  gfc_array_index_type, tmp, source_bytes);
    8513          365 :           gfc_add_modify (&body, source_bytes, tmp);
    8514              : 
    8515          365 :           tmp = fold_build2_loc (input_location, PLUS_EXPR,
    8516              :                                  gfc_array_dim_rank_type, loop_var,
    8517              :                                  gfc_rank_cst[1]);
    8518          365 :           gfc_add_modify_loc (input_location, &body, loop_var, tmp);
    8519              : 
    8520          365 :           tmp = gfc_finish_block (&body);
    8521              : 
    8522          365 :           tmp = fold_build1_loc (input_location, LOOP_EXPR, void_type_node,
    8523              :                                  tmp);
    8524          365 :           gfc_add_expr_to_block (&argse.pre, tmp);
    8525              : 
    8526          365 :           tmp = build1_v (LABEL_EXPR, exit_label);
    8527          365 :           gfc_add_expr_to_block (&argse.pre, tmp);
    8528              :         }
    8529              :       else
    8530              :         {
    8531              :           /* Obtain the size of the array in bytes.  */
    8532         1834 :           for (n = 0; n < arg->rank; n++)
    8533              :             {
    8534         1187 :               tree idx;
    8535         1187 :               idx = gfc_rank_cst[n];
    8536         1187 :               lower = gfc_conv_descriptor_lbound_get (argse.expr, idx);
    8537         1187 :               upper = gfc_conv_descriptor_ubound_get (argse.expr, idx);
    8538         1187 :               tmp = gfc_conv_array_extent_dim (lower, upper, NULL);
    8539         1187 :               tmp = fold_build2_loc (input_location, MULT_EXPR,
    8540              :                                      gfc_array_index_type, tmp, source_bytes);
    8541         1187 :               gfc_add_modify (&argse.pre, source_bytes, tmp);
    8542              :             }
    8543              :         }
    8544         1012 :       se->expr = source_bytes;
    8545              :     }
    8546              : 
    8547         1309 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    8548         1309 : }
    8549              : 
    8550              : 
    8551              : static void
    8552          865 : gfc_conv_intrinsic_storage_size (gfc_se *se, gfc_expr *expr)
    8553              : {
    8554          865 :   gfc_expr *arg;
    8555          865 :   gfc_se argse;
    8556          865 :   tree type, result_type, tmp, class_decl = NULL;
    8557          865 :   gfc_symbol *sym;
    8558          865 :   bool unlimited = false;
    8559              : 
    8560          865 :   arg = expr->value.function.actual->expr;
    8561              : 
    8562          865 :   gfc_init_se (&argse, NULL);
    8563          865 :   result_type = gfc_get_int_type (expr->ts.kind);
    8564              : 
    8565          865 :   if (arg->rank == 0)
    8566              :     {
    8567          236 :       if (arg->ts.type == BT_CLASS)
    8568              :         {
    8569           86 :           unlimited = UNLIMITED_POLY (arg);
    8570           86 :           gfc_add_vptr_component (arg);
    8571           86 :           gfc_add_size_component (arg);
    8572           86 :           gfc_conv_expr (&argse, arg);
    8573           86 :           tmp = fold_convert (result_type, argse.expr);
    8574           86 :           class_decl = gfc_get_class_from_expr (argse.expr);
    8575           86 :           goto done;
    8576              :         }
    8577              : 
    8578          150 :       gfc_conv_expr_reference (&argse, arg);
    8579          150 :       type = TREE_TYPE (build_fold_indirect_ref_loc (input_location,
    8580              :                                                      argse.expr));
    8581              :     }
    8582              :   else
    8583              :     {
    8584          629 :       argse.want_pointer = 0;
    8585          629 :       gfc_conv_expr_descriptor (&argse, arg);
    8586          629 :       sym = arg->expr_type == EXPR_VARIABLE ? arg->symtree->n.sym : NULL;
    8587          629 :       if (arg->ts.type == BT_CLASS)
    8588              :         {
    8589           60 :           unlimited = UNLIMITED_POLY (arg);
    8590           60 :           if (TREE_CODE (argse.expr) == COMPONENT_REF)
    8591           54 :             tmp = gfc_class_vtab_size_get (TREE_OPERAND (argse.expr, 0));
    8592            6 :           else if (arg->rank > 0 && sym
    8593           12 :                    && DECL_LANG_SPECIFIC (sym->backend_decl))
    8594           12 :             tmp = gfc_class_vtab_size_get (
    8595            6 :                  GFC_DECL_SAVED_DESCRIPTOR (sym->backend_decl));
    8596              :           else
    8597            0 :             gcc_unreachable ();
    8598           60 :           tmp = fold_convert (result_type, tmp);
    8599           60 :           class_decl = gfc_get_class_from_expr (argse.expr);
    8600           60 :           goto done;
    8601              :         }
    8602          569 :       type = gfc_get_element_type (TREE_TYPE (argse.expr));
    8603              :     }
    8604              : 
    8605              :   /* Obtain the argument's word length.  */
    8606          719 :   if (arg->ts.type == BT_CHARACTER)
    8607          241 :     tmp = size_of_string_in_bytes (arg->ts.kind, argse.string_length);
    8608              :   else
    8609          478 :     tmp = size_in_bytes (type);
    8610          719 :   tmp = fold_convert (result_type, tmp);
    8611              : 
    8612          865 : done:
    8613          865 :   if (unlimited && class_decl)
    8614           68 :     tmp = gfc_resize_class_size_with_len (NULL, class_decl, tmp);
    8615              : 
    8616          865 :   se->expr = fold_build2_loc (input_location, MULT_EXPR, result_type, tmp,
    8617              :                               build_int_cst (result_type, BITS_PER_UNIT));
    8618          865 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    8619          865 : }
    8620              : 
    8621              : 
    8622              : /* Intrinsic string comparison functions.  */
    8623              : 
    8624              : static void
    8625           99 : gfc_conv_intrinsic_strcmp (gfc_se * se, gfc_expr * expr, enum tree_code op)
    8626              : {
    8627           99 :   tree args[4];
    8628              : 
    8629           99 :   gfc_conv_intrinsic_function_args (se, expr, args, 4);
    8630              : 
    8631           99 :   se->expr
    8632          198 :     = gfc_build_compare_string (args[0], args[1], args[2], args[3],
    8633           99 :                                 expr->value.function.actual->expr->ts.kind,
    8634              :                                 op);
    8635           99 :   se->expr = fold_build2_loc (input_location, op,
    8636              :                               gfc_typenode_for_spec (&expr->ts), se->expr,
    8637           99 :                               build_int_cst (TREE_TYPE (se->expr), 0));
    8638           99 : }
    8639              : 
    8640              : /* Generate a call to the adjustl/adjustr library function.  */
    8641              : static void
    8642          468 : gfc_conv_intrinsic_adjust (gfc_se * se, gfc_expr * expr, tree fndecl)
    8643              : {
    8644          468 :   tree args[3];
    8645          468 :   tree len;
    8646          468 :   tree type;
    8647          468 :   tree var;
    8648          468 :   tree tmp;
    8649              : 
    8650          468 :   gfc_conv_intrinsic_function_args (se, expr, &args[1], 2);
    8651          468 :   len = args[1];
    8652              : 
    8653          468 :   type = TREE_TYPE (args[2]);
    8654          468 :   var = gfc_conv_string_tmp (se, type, len);
    8655          468 :   args[0] = var;
    8656              : 
    8657          468 :   tmp = build_call_expr_loc (input_location,
    8658              :                          fndecl, 3, args[0], args[1], args[2]);
    8659          468 :   gfc_add_expr_to_block (&se->pre, tmp);
    8660          468 :   se->expr = var;
    8661          468 :   se->string_length = len;
    8662          468 : }
    8663              : 
    8664              : 
    8665              : /* Generate code for the TRANSFER intrinsic:
    8666              :         For scalar results:
    8667              :           DEST = TRANSFER (SOURCE, MOLD)
    8668              :         where:
    8669              :           typeof<DEST> = typeof<MOLD>
    8670              :         and:
    8671              :           MOLD is scalar.
    8672              : 
    8673              :         For array results:
    8674              :           DEST(1:N) = TRANSFER (SOURCE, MOLD[, SIZE])
    8675              :         where:
    8676              :           typeof<DEST> = typeof<MOLD>
    8677              :         and:
    8678              :           N = min (sizeof (SOURCE(:)), sizeof (DEST(:)),
    8679              :               sizeof (DEST(0) * SIZE).  */
    8680              : static void
    8681         3991 : gfc_conv_intrinsic_transfer (gfc_se * se, gfc_expr * expr)
    8682              : {
    8683         3991 :   tree tmp;
    8684         3991 :   tree tmpdecl;
    8685         3991 :   tree ptr;
    8686         3991 :   tree extent;
    8687         3991 :   tree source;
    8688         3991 :   tree source_type;
    8689         3991 :   tree source_bytes;
    8690         3991 :   tree mold_type;
    8691         3991 :   tree dest_word_len;
    8692         3991 :   tree size_words;
    8693         3991 :   tree size_bytes;
    8694         3991 :   tree upper;
    8695         3991 :   tree lower;
    8696         3991 :   tree stmt;
    8697         3991 :   tree class_ref = NULL_TREE;
    8698         3991 :   gfc_actual_arglist *arg;
    8699         3991 :   gfc_se argse;
    8700         3991 :   gfc_array_info *info;
    8701         3991 :   stmtblock_t block;
    8702         3991 :   int n;
    8703         3991 :   bool scalar_mold;
    8704         3991 :   gfc_expr *source_expr, *mold_expr, *class_expr;
    8705              : 
    8706         3991 :   info = NULL;
    8707         3991 :   if (se->loop)
    8708          478 :     info = &se->ss->info->data.array;
    8709              : 
    8710              :   /* Convert SOURCE.  The output from this stage is:-
    8711              :         source_bytes = length of the source in bytes
    8712              :         source = pointer to the source data.  */
    8713         3991 :   arg = expr->value.function.actual;
    8714         3991 :   source_expr = arg->expr;
    8715              : 
    8716              :   /* Ensure double transfer through LOGICAL preserves all
    8717              :      the needed bits.  */
    8718         3991 :   if (arg->expr->expr_type == EXPR_FUNCTION
    8719         2986 :         && arg->expr->value.function.esym == NULL
    8720         2962 :         && arg->expr->value.function.isym != NULL
    8721         2962 :         && arg->expr->value.function.isym->id == GFC_ISYM_TRANSFER
    8722           12 :         && arg->expr->ts.type == BT_LOGICAL
    8723           12 :         && expr->ts.type != arg->expr->ts.type)
    8724           12 :     arg->expr->value.function.name = "__transfer_in_transfer";
    8725              : 
    8726         3991 :   gfc_init_se (&argse, NULL);
    8727              : 
    8728         3991 :   source_bytes = gfc_create_var (gfc_array_index_type, NULL);
    8729              : 
    8730              :   /* Obtain the pointer to source and the length of source in bytes.  */
    8731         3991 :   if (arg->expr->rank == 0)
    8732              :     {
    8733         3635 :       gfc_conv_expr_reference (&argse, arg->expr);
    8734         3635 :       if (arg->expr->ts.type == BT_CLASS)
    8735              :         {
    8736           37 :           tmp = build_fold_indirect_ref_loc (input_location, argse.expr);
    8737           37 :           if (GFC_CLASS_TYPE_P (TREE_TYPE (tmp)))
    8738              :             {
    8739           19 :               source = gfc_class_data_get (tmp);
    8740           19 :               class_ref = tmp;
    8741              :             }
    8742              :           else
    8743              :             {
    8744              :               /* Array elements are evaluated as a reference to the data.
    8745              :                  To obtain the vptr for the element size, the argument
    8746              :                  expression must be stripped to the class reference and
    8747              :                  re-evaluated. The pre and post blocks are not needed.  */
    8748           18 :               gcc_assert (arg->expr->expr_type == EXPR_VARIABLE);
    8749           18 :               source = argse.expr;
    8750           18 :               class_expr = gfc_find_and_cut_at_last_class_ref (arg->expr);
    8751           18 :               gfc_init_se (&argse, NULL);
    8752           18 :               gfc_conv_expr (&argse, class_expr);
    8753           18 :               class_ref = argse.expr;
    8754              :             }
    8755              :         }
    8756              :       else
    8757         3598 :         source = argse.expr;
    8758              : 
    8759              :       /* Obtain the source word length.  */
    8760         3635 :       switch (arg->expr->ts.type)
    8761              :         {
    8762          300 :         case BT_CHARACTER:
    8763          300 :           tmp = size_of_string_in_bytes (arg->expr->ts.kind,
    8764              :                                          argse.string_length);
    8765          300 :           break;
    8766           37 :         case BT_CLASS:
    8767           37 :           if (class_ref != NULL_TREE)
    8768              :             {
    8769           37 :               tmp = gfc_class_vtab_size_get (class_ref);
    8770           37 :               if (UNLIMITED_POLY (source_expr))
    8771           30 :                 tmp = gfc_resize_class_size_with_len (NULL, class_ref, tmp);
    8772              :             }
    8773              :           else
    8774              :             {
    8775            0 :               tmp = gfc_class_vtab_size_get (argse.expr);
    8776            0 :               if (UNLIMITED_POLY (source_expr))
    8777            0 :                 tmp = gfc_resize_class_size_with_len (NULL, argse.expr, tmp);
    8778              :             }
    8779              :           break;
    8780         3298 :         default:
    8781         3298 :           source_type = TREE_TYPE (build_fold_indirect_ref_loc (input_location,
    8782              :                                                                 source));
    8783         3298 :           tmp = fold_convert (gfc_array_index_type,
    8784              :                               size_in_bytes (source_type));
    8785         3298 :           break;
    8786              :         }
    8787              :     }
    8788              :   else
    8789              :     {
    8790          356 :       bool simply_contiguous = gfc_is_simply_contiguous (arg->expr,
    8791              :                                                          false, true);
    8792          356 :       argse.want_pointer = 0;
    8793              :       /* A non-contiguous SOURCE needs packing.  */
    8794          356 :       if (!simply_contiguous)
    8795           74 :         argse.force_tmp = 1;
    8796          356 :       gfc_conv_expr_descriptor (&argse, arg->expr);
    8797          356 :       source = gfc_conv_descriptor_data_get (argse.expr);
    8798          356 :       source_type = gfc_get_element_type (TREE_TYPE (argse.expr));
    8799              : 
    8800              :       /* Repack the source if not simply contiguous.  */
    8801          356 :       if (!simply_contiguous)
    8802              :         {
    8803           74 :           tmp = gfc_build_addr_expr (NULL_TREE, argse.expr);
    8804              : 
    8805           74 :           if (warn_array_temporaries)
    8806            0 :             gfc_warning (OPT_Warray_temporaries,
    8807              :                          "Creating array temporary at %L", &expr->where);
    8808              : 
    8809           74 :           source = build_call_expr_loc (input_location,
    8810              :                                     gfor_fndecl_in_pack, 1, tmp);
    8811           74 :           source = gfc_evaluate_now (source, &argse.pre);
    8812              : 
    8813              :           /* Free the temporary.  */
    8814           74 :           gfc_start_block (&block);
    8815           74 :           tmp = gfc_call_free (source);
    8816           74 :           gfc_add_expr_to_block (&block, tmp);
    8817           74 :           stmt = gfc_finish_block (&block);
    8818              : 
    8819              :           /* Clean up if it was repacked.  */
    8820           74 :           gfc_init_block (&block);
    8821           74 :           tmp = gfc_conv_array_data (argse.expr);
    8822           74 :           tmp = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    8823              :                                  source, tmp);
    8824           74 :           tmp = build3_v (COND_EXPR, tmp, stmt,
    8825              :                           build_empty_stmt (input_location));
    8826           74 :           gfc_add_expr_to_block (&block, tmp);
    8827           74 :           gfc_add_block_to_block (&block, &se->post);
    8828           74 :           gfc_init_block (&se->post);
    8829           74 :           gfc_add_block_to_block (&se->post, &block);
    8830              :         }
    8831              : 
    8832              :       /* Obtain the source word length.  */
    8833          356 :       if (arg->expr->ts.type == BT_CHARACTER)
    8834          144 :         tmp = size_of_string_in_bytes (arg->expr->ts.kind,
    8835              :                                        argse.string_length);
    8836          212 :       else if (arg->expr->ts.type == BT_CLASS)
    8837              :         {
    8838           54 :           if (UNLIMITED_POLY (source_expr)
    8839           54 :               && DECL_LANG_SPECIFIC (source_expr->symtree->n.sym->backend_decl))
    8840           12 :             class_ref = GFC_DECL_SAVED_DESCRIPTOR
    8841              :               (source_expr->symtree->n.sym->backend_decl);
    8842              :           else
    8843           42 :             class_ref = TREE_OPERAND (argse.expr, 0);
    8844           54 :           tmp = gfc_class_vtab_size_get (class_ref);
    8845           54 :           if (UNLIMITED_POLY (arg->expr))
    8846           54 :             tmp = gfc_resize_class_size_with_len (&argse.pre, class_ref, tmp);
    8847              :         }
    8848              :       else
    8849          158 :         tmp = fold_convert (gfc_array_index_type,
    8850              :                             size_in_bytes (source_type));
    8851              : 
    8852              :       /* Obtain the size of the array in bytes.  */
    8853          356 :       extent = gfc_create_var (gfc_array_index_type, NULL);
    8854         1098 :       for (n = 0; n < arg->expr->rank; n++)
    8855              :         {
    8856          386 :           tree idx;
    8857          386 :           idx = gfc_rank_cst[n];
    8858          386 :           gfc_add_modify (&argse.pre, source_bytes, tmp);
    8859          386 :           lower = gfc_conv_descriptor_lbound_get (argse.expr, idx);
    8860          386 :           upper = gfc_conv_descriptor_ubound_get (argse.expr, idx);
    8861          386 :           tmp = fold_build2_loc (input_location, MINUS_EXPR,
    8862              :                                  gfc_array_index_type, upper, lower);
    8863          386 :           gfc_add_modify (&argse.pre, extent, tmp);
    8864          386 :           tmp = fold_build2_loc (input_location, PLUS_EXPR,
    8865              :                                  gfc_array_index_type, extent,
    8866              :                                  gfc_index_one_node);
    8867          386 :           tmp = fold_build2_loc (input_location, MULT_EXPR,
    8868              :                                  gfc_array_index_type, tmp, source_bytes);
    8869              :         }
    8870              :     }
    8871              : 
    8872         3991 :   gfc_add_modify (&argse.pre, source_bytes, tmp);
    8873         3991 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    8874         3991 :   gfc_add_block_to_block (&se->post, &argse.post);
    8875              : 
    8876              :   /* Now convert MOLD.  The outputs are:
    8877              :         mold_type = the TREE type of MOLD
    8878              :         dest_word_len = destination word length in bytes.  */
    8879         3991 :   arg = arg->next;
    8880         3991 :   mold_expr = arg->expr;
    8881              : 
    8882         3991 :   gfc_init_se (&argse, NULL);
    8883              : 
    8884         3991 :   scalar_mold = arg->expr->rank == 0;
    8885              : 
    8886         3991 :   if (arg->expr->rank == 0)
    8887              :     {
    8888         3662 :       gfc_conv_expr_reference (&argse, mold_expr);
    8889         3662 :       mold_type = TREE_TYPE (build_fold_indirect_ref_loc (input_location,
    8890              :                                                           argse.expr));
    8891              :     }
    8892              :   else
    8893              :     {
    8894          329 :       argse.want_pointer = 0;
    8895          329 :       gfc_conv_expr_descriptor (&argse, mold_expr);
    8896          329 :       mold_type = gfc_get_element_type (TREE_TYPE (argse.expr));
    8897              :     }
    8898              : 
    8899         3991 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    8900         3991 :   gfc_add_block_to_block (&se->post, &argse.post);
    8901              : 
    8902         3991 :   if (strcmp (expr->value.function.name, "__transfer_in_transfer") == 0)
    8903              :     {
    8904              :       /* If this TRANSFER is nested in another TRANSFER, use a type
    8905              :          that preserves all bits.  */
    8906           12 :       if (mold_expr->ts.type == BT_LOGICAL)
    8907           12 :         mold_type = gfc_get_int_type (mold_expr->ts.kind);
    8908              :     }
    8909              : 
    8910              :   /* Obtain the destination word length.  */
    8911         3991 :   switch (mold_expr->ts.type)
    8912              :     {
    8913          473 :     case BT_CHARACTER:
    8914          473 :       tmp = size_of_string_in_bytes (mold_expr->ts.kind, argse.string_length);
    8915          473 :       mold_type = gfc_get_character_type_len (mold_expr->ts.kind,
    8916              :                                               argse.string_length);
    8917          473 :       break;
    8918            6 :     case BT_CLASS:
    8919            6 :       if (scalar_mold)
    8920            6 :         class_ref = argse.expr;
    8921              :       else
    8922            0 :         class_ref = TREE_OPERAND (argse.expr, 0);
    8923            6 :       tmp = gfc_class_vtab_size_get (class_ref);
    8924            6 :       if (UNLIMITED_POLY (arg->expr))
    8925            0 :         tmp = gfc_resize_class_size_with_len (&argse.pre, class_ref, tmp);
    8926              :       break;
    8927         3512 :     default:
    8928         3512 :       tmp = fold_convert (gfc_array_index_type, size_in_bytes (mold_type));
    8929         3512 :       break;
    8930              :     }
    8931              : 
    8932              :   /* Do not fix dest_word_len if it is a variable, since the temporary can wind
    8933              :      up being used before the assignment.  */
    8934         3991 :   if (mold_expr->ts.type == BT_CHARACTER && mold_expr->ts.deferred)
    8935              :     dest_word_len = tmp;
    8936              :   else
    8937              :     {
    8938         3937 :       dest_word_len = gfc_create_var (gfc_array_index_type, NULL);
    8939         3937 :       gfc_add_modify (&se->pre, dest_word_len, tmp);
    8940              :     }
    8941              : 
    8942              :   /* Finally convert SIZE, if it is present.  */
    8943         3991 :   arg = arg->next;
    8944         3991 :   size_words = gfc_create_var (gfc_array_index_type, NULL);
    8945              : 
    8946         3991 :   if (arg->expr)
    8947              :     {
    8948          222 :       gfc_init_se (&argse, NULL);
    8949          222 :       gfc_conv_expr_reference (&argse, arg->expr);
    8950          222 :       tmp = convert (gfc_array_index_type,
    8951              :                      build_fold_indirect_ref_loc (input_location,
    8952              :                                               argse.expr));
    8953          222 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    8954          222 :       gfc_add_block_to_block (&se->post, &argse.post);
    8955              :     }
    8956              :   else
    8957              :     tmp = NULL_TREE;
    8958              : 
    8959              :   /* Separate array and scalar results.  */
    8960         3991 :   if (scalar_mold && tmp == NULL_TREE)
    8961         3513 :     goto scalar_transfer;
    8962              : 
    8963          478 :   size_bytes = gfc_create_var (gfc_array_index_type, NULL);
    8964          478 :   if (tmp != NULL_TREE)
    8965          222 :     tmp = fold_build2_loc (input_location, MULT_EXPR, gfc_array_index_type,
    8966              :                            tmp, dest_word_len);
    8967              :   else
    8968              :     tmp = source_bytes;
    8969              : 
    8970          478 :   gfc_add_modify (&se->pre, size_bytes, tmp);
    8971          478 :   gfc_add_modify (&se->pre, size_words,
    8972              :                        fold_build2_loc (input_location, CEIL_DIV_EXPR,
    8973              :                                         gfc_array_index_type,
    8974              :                                         size_bytes, dest_word_len));
    8975              : 
    8976              :   /* Evaluate the bounds of the result.  If the loop range exists, we have
    8977              :      to check if it is too large.  If so, we modify loop->to be consistent
    8978              :      with min(size, size(source)).  Otherwise, size is made consistent with
    8979              :      the loop range, so that the right number of bytes is transferred.*/
    8980          478 :   n = se->loop->order[0];
    8981          478 :   if (se->loop->to[n] != NULL_TREE)
    8982              :     {
    8983          205 :       tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
    8984              :                              se->loop->to[n], se->loop->from[n]);
    8985          205 :       tmp = fold_build2_loc (input_location, PLUS_EXPR, gfc_array_index_type,
    8986              :                              tmp, gfc_index_one_node);
    8987          205 :       tmp = fold_build2_loc (input_location, MIN_EXPR, gfc_array_index_type,
    8988              :                          tmp, size_words);
    8989          205 :       gfc_add_modify (&se->pre, size_words, tmp);
    8990          205 :       gfc_add_modify (&se->pre, size_bytes,
    8991              :                            fold_build2_loc (input_location, MULT_EXPR,
    8992              :                                             gfc_array_index_type,
    8993              :                                             size_words, dest_word_len));
    8994          410 :       upper = fold_build2_loc (input_location, PLUS_EXPR, gfc_array_index_type,
    8995          205 :                                size_words, se->loop->from[n]);
    8996          205 :       upper = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
    8997              :                                upper, gfc_index_one_node);
    8998              :     }
    8999              :   else
    9000              :     {
    9001          273 :       upper = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
    9002              :                                size_words, gfc_index_one_node);
    9003          273 :       se->loop->from[n] = gfc_index_zero_node;
    9004              :     }
    9005              : 
    9006          478 :   se->loop->to[n] = upper;
    9007              : 
    9008              :   /* Build a destination descriptor, using the pointer, source, as the
    9009              :      data field.  */
    9010          478 :   gfc_trans_create_temp_array (&se->pre, &se->post, se->ss, mold_type,
    9011              :                                NULL_TREE, false, true, false, &expr->where);
    9012              : 
    9013              :   /* Cast the pointer to the result.  */
    9014          478 :   tmp = gfc_conv_descriptor_data_get (info->descriptor);
    9015          478 :   tmp = fold_convert (pvoid_type_node, tmp);
    9016              : 
    9017              :   /* Use memcpy to do the transfer.  */
    9018          478 :   tmp
    9019          478 :     = build_call_expr_loc (input_location,
    9020              :                            builtin_decl_explicit (BUILT_IN_MEMCPY), 3, tmp,
    9021              :                            fold_convert (pvoid_type_node, source),
    9022              :                            fold_convert (size_type_node,
    9023              :                                          fold_build2_loc (input_location,
    9024              :                                                           MIN_EXPR,
    9025              :                                                           gfc_array_index_type,
    9026              :                                                           size_bytes,
    9027              :                                                           source_bytes)));
    9028          478 :   gfc_add_expr_to_block (&se->pre, tmp);
    9029              : 
    9030          478 :   se->expr = info->descriptor;
    9031          478 :   if (expr->ts.type == BT_CHARACTER)
    9032              :     {
    9033          281 :       tmp = fold_convert (gfc_charlen_type_node,
    9034              :                           TYPE_SIZE_UNIT (gfc_get_char_type (expr->ts.kind)));
    9035          281 :       se->string_length = fold_build2_loc (input_location, TRUNC_DIV_EXPR,
    9036              :                                            gfc_charlen_type_node,
    9037              :                                            dest_word_len, tmp);
    9038              :     }
    9039              : 
    9040          478 :   return;
    9041              : 
    9042              : /* Deal with scalar results.  */
    9043         3513 : scalar_transfer:
    9044         3513 :   extent = fold_build2_loc (input_location, MIN_EXPR, gfc_array_index_type,
    9045              :                             dest_word_len, source_bytes);
    9046         3513 :   extent = fold_build2_loc (input_location, MAX_EXPR, gfc_array_index_type,
    9047              :                             extent, gfc_index_zero_node);
    9048              : 
    9049         3513 :   if (expr->ts.type == BT_CHARACTER)
    9050              :     {
    9051          192 :       tree direct, indirect, free;
    9052              : 
    9053          192 :       ptr = convert (gfc_get_pchar_type (expr->ts.kind), source);
    9054          192 :       tmpdecl = gfc_create_var (gfc_get_pchar_type (expr->ts.kind),
    9055              :                                 "transfer");
    9056              : 
    9057              :       /* If source is longer than the destination, use a pointer to
    9058              :          the source directly.  */
    9059          192 :       gfc_init_block (&block);
    9060          192 :       gfc_add_modify (&block, tmpdecl, ptr);
    9061          192 :       direct = gfc_finish_block (&block);
    9062              : 
    9063              :       /* Otherwise, allocate a string with the length of the destination
    9064              :          and copy the source into it.  */
    9065          192 :       gfc_init_block (&block);
    9066          192 :       tmp = gfc_get_pchar_type (expr->ts.kind);
    9067          192 :       tmp = gfc_call_malloc (&block, tmp, dest_word_len);
    9068          192 :       gfc_add_modify (&block, tmpdecl,
    9069          192 :                       fold_convert (TREE_TYPE (ptr), tmp));
    9070          192 :       tmp = build_call_expr_loc (input_location,
    9071              :                              builtin_decl_explicit (BUILT_IN_MEMCPY), 3,
    9072              :                              fold_convert (pvoid_type_node, tmpdecl),
    9073              :                              fold_convert (pvoid_type_node, ptr),
    9074              :                              fold_convert (size_type_node, extent));
    9075          192 :       gfc_add_expr_to_block (&block, tmp);
    9076          192 :       indirect = gfc_finish_block (&block);
    9077              : 
    9078              :       /* Wrap it up with the condition.  */
    9079          192 :       tmp = fold_build2_loc (input_location, LE_EXPR, logical_type_node,
    9080              :                              dest_word_len, source_bytes);
    9081          192 :       tmp = build3_v (COND_EXPR, tmp, direct, indirect);
    9082          192 :       gfc_add_expr_to_block (&se->pre, tmp);
    9083              : 
    9084              :       /* Free the temporary string, if necessary.  */
    9085          192 :       free = gfc_call_free (tmpdecl);
    9086          192 :       tmp = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    9087              :                              dest_word_len, source_bytes);
    9088          192 :       tmp = build3_v (COND_EXPR, tmp, free, build_empty_stmt (input_location));
    9089          192 :       gfc_add_expr_to_block (&se->post, tmp);
    9090              : 
    9091          192 :       se->expr = tmpdecl;
    9092          192 :       tmp = fold_convert (gfc_charlen_type_node,
    9093              :                           TYPE_SIZE_UNIT (gfc_get_char_type (expr->ts.kind)));
    9094          192 :       se->string_length = fold_build2_loc (input_location, TRUNC_DIV_EXPR,
    9095              :                                            gfc_charlen_type_node,
    9096              :                                            dest_word_len, tmp);
    9097              :     }
    9098              :   else
    9099              :     {
    9100         3321 :       tmpdecl = gfc_create_var (mold_type, "transfer");
    9101              : 
    9102         3321 :       ptr = convert (build_pointer_type (mold_type), source);
    9103              : 
    9104              :       /* For CLASS results, allocate the needed memory first.  */
    9105         3321 :       if (mold_expr->ts.type == BT_CLASS)
    9106              :         {
    9107            6 :           tree cdata;
    9108            6 :           cdata = gfc_class_data_get (tmpdecl);
    9109            6 :           tmp = gfc_call_malloc (&se->pre, TREE_TYPE (cdata), dest_word_len);
    9110            6 :           gfc_add_modify (&se->pre, cdata, tmp);
    9111              :         }
    9112              : 
    9113              :       /* Use memcpy to do the transfer.  */
    9114         3321 :       if (mold_expr->ts.type == BT_CLASS)
    9115            6 :         tmp = gfc_class_data_get (tmpdecl);
    9116              :       else
    9117         3315 :         tmp = gfc_build_addr_expr (NULL_TREE, tmpdecl);
    9118              : 
    9119         3321 :       tmp = build_call_expr_loc (input_location,
    9120              :                              builtin_decl_explicit (BUILT_IN_MEMCPY), 3,
    9121              :                              fold_convert (pvoid_type_node, tmp),
    9122              :                              fold_convert (pvoid_type_node, ptr),
    9123              :                              fold_convert (size_type_node, extent));
    9124         3321 :       gfc_add_expr_to_block (&se->pre, tmp);
    9125              : 
    9126              :       /* For CLASS results, set the _vptr.  */
    9127         3321 :       if (mold_expr->ts.type == BT_CLASS)
    9128            6 :         gfc_reset_vptr (&se->pre, nullptr, tmpdecl, source_expr->ts.u.derived);
    9129              : 
    9130         3321 :       se->expr = tmpdecl;
    9131              :     }
    9132              : }
    9133              : 
    9134              : 
    9135              : /* Generate code for the ALLOCATED intrinsic.
    9136              :    Generate inline code that directly check the address of the argument.  */
    9137              : 
    9138              : static void
    9139         7530 : gfc_conv_allocated (gfc_se *se, gfc_expr *expr)
    9140              : {
    9141         7530 :   gfc_se arg1se;
    9142         7530 :   tree tmp;
    9143         7530 :   gfc_expr *e = expr->value.function.actual->expr;
    9144              : 
    9145         7530 :   gfc_init_se (&arg1se, NULL);
    9146         7530 :   if (e->ts.type == BT_CLASS)
    9147              :     {
    9148              :       /* Make sure that class array expressions have both a _data
    9149              :          component reference and an array reference....  */
    9150          923 :       if (CLASS_DATA (e)->attr.dimension)
    9151          424 :         gfc_add_class_array_ref (e);
    9152              :       /* .... whilst scalars only need the _data component.  */
    9153              :       else
    9154          499 :         gfc_add_data_component (e);
    9155              :     }
    9156              : 
    9157         7530 :   gcc_assert (flag_coarray != GFC_FCOARRAY_LIB || !gfc_is_coindexed (e));
    9158              : 
    9159         7530 :   if (e->rank == 0)
    9160              :     {
    9161              :       /* Allocatable scalar.  */
    9162         2974 :       arg1se.want_pointer = 1;
    9163         2974 :       gfc_conv_expr (&arg1se, e);
    9164         2974 :       tmp = arg1se.expr;
    9165              :     }
    9166              :   else
    9167              :     {
    9168              :       /* Allocatable array.  */
    9169         4556 :       arg1se.descriptor_only = 1;
    9170         4556 :       gfc_conv_expr_descriptor (&arg1se, e);
    9171         4556 :       tmp = gfc_conv_descriptor_data_get (arg1se.expr);
    9172              :     }
    9173              : 
    9174         7530 :   tmp = fold_build2_loc (input_location, NE_EXPR, logical_type_node, tmp,
    9175         7530 :                          fold_convert (TREE_TYPE (tmp), null_pointer_node));
    9176              : 
    9177              :   /* Components of pointer array references sometimes come back with a pre block.  */
    9178         7530 :   if (arg1se.pre.head)
    9179          327 :     gfc_add_block_to_block (&se->pre, &arg1se.pre);
    9180              : 
    9181         7530 :   se->expr = convert (gfc_typenode_for_spec (&expr->ts), tmp);
    9182         7530 : }
    9183              : 
    9184              : 
    9185              : /* Generate code for the ASSOCIATED intrinsic.
    9186              :    If both POINTER and TARGET are arrays, generate a call to library function
    9187              :    _gfor_associated, and pass descriptors of POINTER and TARGET to it.
    9188              :    In other cases, generate inline code that directly compare the address of
    9189              :    POINTER with the address of TARGET.  */
    9190              : 
    9191              : static void
    9192         9743 : gfc_conv_associated (gfc_se *se, gfc_expr *expr)
    9193              : {
    9194         9743 :   gfc_actual_arglist *arg1;
    9195         9743 :   gfc_actual_arglist *arg2;
    9196         9743 :   gfc_se arg1se;
    9197         9743 :   gfc_se arg2se;
    9198         9743 :   tree tmp2;
    9199         9743 :   tree tmp;
    9200         9743 :   tree nonzero_arraylen = NULL_TREE;
    9201         9743 :   gfc_ss *ss;
    9202         9743 :   bool scalar;
    9203              : 
    9204         9743 :   gfc_init_se (&arg1se, NULL);
    9205         9743 :   gfc_init_se (&arg2se, NULL);
    9206         9743 :   arg1 = expr->value.function.actual;
    9207         9743 :   arg2 = arg1->next;
    9208              : 
    9209              :   /* Check whether the expression is a scalar or not; we cannot use
    9210              :      arg1->expr->rank as it can be nonzero for proc pointers.  */
    9211         9743 :   ss = gfc_walk_expr (arg1->expr);
    9212         9743 :   scalar = ss == gfc_ss_terminator;
    9213         9743 :   if (!scalar)
    9214         3985 :     gfc_free_ss_chain (ss);
    9215              : 
    9216         9743 :   if (!arg2->expr)
    9217              :     {
    9218              :       /* No optional target.  */
    9219         7298 :       if (scalar)
    9220              :         {
    9221              :           /* A pointer to a scalar.  */
    9222         4831 :           arg1se.want_pointer = 1;
    9223         4831 :           gfc_conv_expr (&arg1se, arg1->expr);
    9224         4831 :           if (arg1->expr->symtree->n.sym->attr.proc_pointer
    9225          185 :               && arg1->expr->symtree->n.sym->attr.dummy)
    9226           78 :             arg1se.expr = build_fold_indirect_ref_loc (input_location,
    9227              :                                                        arg1se.expr);
    9228         4831 :           if (arg1->expr->ts.type == BT_CLASS)
    9229              :             {
    9230          390 :               tmp2 = gfc_class_data_get (arg1se.expr);
    9231          390 :               if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (tmp2)))
    9232            0 :                 tmp2 = gfc_conv_descriptor_data_get (tmp2);
    9233              :             }
    9234              :           else
    9235         4441 :             tmp2 = arg1se.expr;
    9236              :         }
    9237              :       else
    9238              :         {
    9239              :           /* A pointer to an array.  */
    9240         2467 :           gfc_conv_expr_descriptor (&arg1se, arg1->expr);
    9241         2467 :           tmp2 = gfc_conv_descriptor_data_get (arg1se.expr);
    9242              :         }
    9243         7298 :       gfc_add_block_to_block (&se->pre, &arg1se.pre);
    9244         7298 :       gfc_add_block_to_block (&se->post, &arg1se.post);
    9245         7298 :       tmp = fold_build2_loc (input_location, NE_EXPR, logical_type_node, tmp2,
    9246         7298 :                              fold_convert (TREE_TYPE (tmp2), null_pointer_node));
    9247         7298 :       se->expr = tmp;
    9248              :     }
    9249              :   else
    9250              :     {
    9251              :       /* An optional target.  */
    9252         2445 :       if (arg2->expr->ts.type == BT_CLASS
    9253           30 :           && arg2->expr->expr_type != EXPR_FUNCTION)
    9254           24 :         gfc_add_data_component (arg2->expr);
    9255              : 
    9256         2445 :       if (scalar)
    9257              :         {
    9258              :           /* A pointer to a scalar.  */
    9259          927 :           arg1se.want_pointer = 1;
    9260          927 :           gfc_conv_expr (&arg1se, arg1->expr);
    9261          927 :           if (arg1->expr->symtree->n.sym->attr.proc_pointer
    9262          128 :               && arg1->expr->symtree->n.sym->attr.dummy)
    9263           42 :             arg1se.expr = build_fold_indirect_ref_loc (input_location,
    9264              :                                                        arg1se.expr);
    9265          927 :           if (arg1->expr->ts.type == BT_CLASS)
    9266          254 :             arg1se.expr = gfc_class_data_get (arg1se.expr);
    9267              : 
    9268          927 :           arg2se.want_pointer = 1;
    9269          927 :           gfc_conv_expr (&arg2se, arg2->expr);
    9270          927 :           if (arg2->expr->symtree->n.sym->attr.proc_pointer
    9271           36 :               && arg2->expr->symtree->n.sym->attr.dummy)
    9272            0 :             arg2se.expr = build_fold_indirect_ref_loc (input_location,
    9273              :                                                        arg2se.expr);
    9274          927 :           if (arg2->expr->ts.type == BT_CLASS)
    9275              :             {
    9276            6 :               arg2se.expr = gfc_evaluate_now (arg2se.expr, &arg2se.pre);
    9277            6 :               arg2se.expr = gfc_class_data_get (arg2se.expr);
    9278              :             }
    9279          927 :           gfc_add_block_to_block (&se->pre, &arg1se.pre);
    9280          927 :           gfc_add_block_to_block (&se->post, &arg1se.post);
    9281          927 :           gfc_add_block_to_block (&se->pre, &arg2se.pre);
    9282          927 :           gfc_add_block_to_block (&se->post, &arg2se.post);
    9283          927 :           tmp = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    9284              :                                  arg1se.expr, arg2se.expr);
    9285          927 :           tmp2 = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    9286              :                                   arg1se.expr, null_pointer_node);
    9287          927 :           se->expr = fold_build2_loc (input_location, TRUTH_AND_EXPR,
    9288              :                                       logical_type_node, tmp, tmp2);
    9289              :         }
    9290              :       else
    9291              :         {
    9292              :           /* An array pointer of zero length is not associated if target is
    9293              :              present.  */
    9294         1518 :           arg1se.descriptor_only = 1;
    9295         1518 :           gfc_conv_expr_lhs (&arg1se, arg1->expr);
    9296         1518 :           if (arg1->expr->rank == -1)
    9297              :             {
    9298           84 :               tmp = gfc_conv_descriptor_rank_get (arg1se.expr);
    9299          168 :               tmp = fold_build2_loc (input_location, MINUS_EXPR,
    9300           84 :                                      TREE_TYPE (tmp), tmp,
    9301           84 :                                      build_int_cst (TREE_TYPE (tmp), 1));
    9302              :             }
    9303              :           else
    9304         1434 :             tmp = gfc_rank_cst[arg1->expr->rank - 1];
    9305         1518 :           tmp = gfc_conv_descriptor_stride_get (arg1se.expr, tmp);
    9306         1518 :           if (arg2->expr->rank != 0)
    9307         1488 :             nonzero_arraylen = fold_build2_loc (input_location, NE_EXPR,
    9308              :                                                 logical_type_node, tmp,
    9309         1488 :                                                 build_int_cst (TREE_TYPE (tmp), 0));
    9310              : 
    9311              :           /* A pointer to an array, call library function _gfor_associated.  */
    9312         1518 :           arg1se.want_pointer = 1;
    9313         1518 :           gfc_conv_expr_descriptor (&arg1se, arg1->expr);
    9314         1518 :           gfc_add_block_to_block (&se->pre, &arg1se.pre);
    9315         1518 :           gfc_add_block_to_block (&se->post, &arg1se.post);
    9316              : 
    9317         1518 :           arg2se.want_pointer = 1;
    9318         1518 :           arg2se.force_no_tmp = 1;
    9319         1518 :           if (arg2->expr->rank != 0)
    9320         1488 :             gfc_conv_expr_descriptor (&arg2se, arg2->expr);
    9321              :           else
    9322              :             {
    9323           30 :               gfc_conv_expr (&arg2se, arg2->expr);
    9324           30 :               arg2se.expr
    9325           30 :                 = gfc_conv_scalar_to_descriptor (&arg2se, arg2se.expr,
    9326           30 :                                                  gfc_expr_attr (arg2->expr));
    9327           30 :               arg2se.expr = gfc_build_addr_expr (NULL_TREE, arg2se.expr);
    9328              :             }
    9329         1518 :           gfc_add_block_to_block (&se->pre, &arg2se.pre);
    9330         1518 :           gfc_add_block_to_block (&se->post, &arg2se.post);
    9331         1518 :           se->expr = build_call_expr_loc (input_location,
    9332              :                                       gfor_fndecl_associated, 2,
    9333              :                                       arg1se.expr, arg2se.expr);
    9334         1518 :           se->expr = convert (logical_type_node, se->expr);
    9335         1518 :           if (arg2->expr->rank != 0)
    9336         1488 :             se->expr = fold_build2_loc (input_location, TRUTH_AND_EXPR,
    9337              :                                         logical_type_node, se->expr,
    9338              :                                         nonzero_arraylen);
    9339              :         }
    9340              : 
    9341              :       /* If target is present zero character length pointers cannot
    9342              :          be associated.  */
    9343         2445 :       if (arg1->expr->ts.type == BT_CHARACTER)
    9344              :         {
    9345          631 :           tmp = arg1se.string_length;
    9346          631 :           tmp = fold_build2_loc (input_location, NE_EXPR,
    9347              :                                  logical_type_node, tmp,
    9348          631 :                                  build_zero_cst (TREE_TYPE (tmp)));
    9349          631 :           se->expr = fold_build2_loc (input_location, TRUTH_AND_EXPR,
    9350              :                                       logical_type_node, se->expr, tmp);
    9351              :         }
    9352              :     }
    9353              : 
    9354         9743 :   se->expr = convert (gfc_typenode_for_spec (&expr->ts), se->expr);
    9355         9743 : }
    9356              : 
    9357              : 
    9358              : /* Generate code for the SAME_TYPE_AS intrinsic.
    9359              :    Generate inline code that directly checks the vindices.  */
    9360              : 
    9361              : static void
    9362          409 : gfc_conv_same_type_as (gfc_se *se, gfc_expr *expr)
    9363              : {
    9364          409 :   gfc_expr *a, *b;
    9365          409 :   gfc_se se1, se2;
    9366          409 :   tree tmp;
    9367          409 :   tree conda = NULL_TREE, condb = NULL_TREE;
    9368              : 
    9369          409 :   gfc_init_se (&se1, NULL);
    9370          409 :   gfc_init_se (&se2, NULL);
    9371              : 
    9372          409 :   a = expr->value.function.actual->expr;
    9373          409 :   b = expr->value.function.actual->next->expr;
    9374              : 
    9375          409 :   bool unlimited_poly_a = UNLIMITED_POLY (a);
    9376          409 :   bool unlimited_poly_b = UNLIMITED_POLY (b);
    9377          409 :   if (unlimited_poly_a)
    9378              :     {
    9379          111 :       se1.want_pointer = 1;
    9380          111 :       gfc_add_vptr_component (a);
    9381              :     }
    9382          298 :   else if (a->ts.type == BT_CLASS)
    9383              :     {
    9384          256 :       gfc_add_vptr_component (a);
    9385          256 :       gfc_add_hash_component (a);
    9386              :     }
    9387           42 :   else if (a->ts.type == BT_DERIVED)
    9388           42 :     a = gfc_get_int_expr (gfc_default_integer_kind, NULL,
    9389           42 :                           a->ts.u.derived->hash_value);
    9390              : 
    9391          409 :   if (unlimited_poly_b)
    9392              :     {
    9393           72 :       se2.want_pointer = 1;
    9394           72 :       gfc_add_vptr_component (b);
    9395              :     }
    9396          337 :   else if (b->ts.type == BT_CLASS)
    9397              :     {
    9398          169 :       gfc_add_vptr_component (b);
    9399          169 :       gfc_add_hash_component (b);
    9400              :     }
    9401          168 :   else if (b->ts.type == BT_DERIVED)
    9402          168 :     b = gfc_get_int_expr (gfc_default_integer_kind, NULL,
    9403          168 :                           b->ts.u.derived->hash_value);
    9404              : 
    9405          409 :   gfc_conv_expr (&se1, a);
    9406          409 :   gfc_conv_expr (&se2, b);
    9407              : 
    9408          409 :   if (unlimited_poly_a)
    9409              :     {
    9410          111 :       conda = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    9411              :                                se1.expr,
    9412          111 :                                build_int_cst (TREE_TYPE (se1.expr), 0));
    9413          111 :       se1.expr = gfc_vptr_hash_get (se1.expr);
    9414              :     }
    9415              : 
    9416          409 :   if (unlimited_poly_b)
    9417              :     {
    9418           72 :       condb = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    9419              :                                se2.expr,
    9420           72 :                                build_int_cst (TREE_TYPE (se2.expr), 0));
    9421           72 :       se2.expr = gfc_vptr_hash_get (se2.expr);
    9422              :     }
    9423              : 
    9424          409 :   tmp = fold_build2_loc (input_location, EQ_EXPR,
    9425              :                          logical_type_node, se1.expr,
    9426          409 :                          fold_convert (TREE_TYPE (se1.expr), se2.expr));
    9427              : 
    9428          409 :   if (conda)
    9429          111 :     tmp = fold_build2_loc (input_location, TRUTH_ANDIF_EXPR,
    9430              :                            logical_type_node, conda, tmp);
    9431              : 
    9432          409 :   if (condb)
    9433           72 :     tmp = fold_build2_loc (input_location, TRUTH_ANDIF_EXPR,
    9434              :                            logical_type_node, condb, tmp);
    9435              : 
    9436          409 :   se->expr = convert (gfc_typenode_for_spec (&expr->ts), tmp);
    9437          409 : }
    9438              : 
    9439              : 
    9440              : /* Generate code for SELECTED_CHAR_KIND (NAME) intrinsic function.  */
    9441              : 
    9442              : static void
    9443           42 : gfc_conv_intrinsic_sc_kind (gfc_se *se, gfc_expr *expr)
    9444              : {
    9445           42 :   tree args[2];
    9446              : 
    9447           42 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    9448           42 :   se->expr = build_call_expr_loc (input_location,
    9449              :                               gfor_fndecl_sc_kind, 2, args[0], args[1]);
    9450           42 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), se->expr);
    9451           42 : }
    9452              : 
    9453              : 
    9454              : /* Generate code for SELECTED_INT_KIND (R) intrinsic function.  */
    9455              : 
    9456              : static void
    9457           45 : gfc_conv_intrinsic_si_kind (gfc_se *se, gfc_expr *expr)
    9458              : {
    9459           45 :   tree arg, type;
    9460              : 
    9461           45 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    9462              : 
    9463              :   /* The argument to SELECTED_INT_KIND is INTEGER(4).  */
    9464           45 :   type = gfc_get_int_type (4);
    9465           45 :   arg = gfc_build_addr_expr (NULL_TREE, fold_convert (type, arg));
    9466              : 
    9467              :   /* Convert it to the required type.  */
    9468           45 :   type = gfc_typenode_for_spec (&expr->ts);
    9469           45 :   se->expr = build_call_expr_loc (input_location,
    9470              :                               gfor_fndecl_si_kind, 1, arg);
    9471           45 :   se->expr = fold_convert (type, se->expr);
    9472           45 : }
    9473              : 
    9474              : 
    9475              : /* Generate code for SELECTED_LOGICAL_KIND (BITS) intrinsic function.  */
    9476              : 
    9477              : static void
    9478            6 : gfc_conv_intrinsic_sl_kind (gfc_se *se, gfc_expr *expr)
    9479              : {
    9480            6 :   tree arg, type;
    9481              : 
    9482            6 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    9483              : 
    9484              :   /* The argument to SELECTED_LOGICAL_KIND is INTEGER(4).  */
    9485            6 :   type = gfc_get_int_type (4);
    9486            6 :   arg = gfc_build_addr_expr (NULL_TREE, fold_convert (type, arg));
    9487              : 
    9488              :   /* Convert it to the required type.  */
    9489            6 :   type = gfc_typenode_for_spec (&expr->ts);
    9490            6 :   se->expr = build_call_expr_loc (input_location,
    9491              :                               gfor_fndecl_sl_kind, 1, arg);
    9492            6 :   se->expr = fold_convert (type, se->expr);
    9493            6 : }
    9494              : 
    9495              : 
    9496              : /* Generate code for SELECTED_REAL_KIND (P, R, RADIX) intrinsic function.  */
    9497              : 
    9498              : static void
    9499           82 : gfc_conv_intrinsic_sr_kind (gfc_se *se, gfc_expr *expr)
    9500              : {
    9501           82 :   gfc_actual_arglist *actual;
    9502           82 :   tree type;
    9503           82 :   gfc_se argse;
    9504           82 :   vec<tree, va_gc> *args = NULL;
    9505              : 
    9506          328 :   for (actual = expr->value.function.actual; actual; actual = actual->next)
    9507              :     {
    9508          246 :       gfc_init_se (&argse, se);
    9509              : 
    9510              :       /* Pass a NULL pointer for an absent arg.  */
    9511          246 :       if (actual->expr == NULL)
    9512           96 :         argse.expr = null_pointer_node;
    9513              :       else
    9514              :         {
    9515          150 :           gfc_typespec ts;
    9516          150 :           gfc_clear_ts (&ts);
    9517              : 
    9518          150 :           if (actual->expr->ts.kind != gfc_c_int_kind)
    9519              :             {
    9520              :               /* The arguments to SELECTED_REAL_KIND are INTEGER(4).  */
    9521            0 :               ts.type = BT_INTEGER;
    9522            0 :               ts.kind = gfc_c_int_kind;
    9523            0 :               gfc_convert_type (actual->expr, &ts, 2);
    9524              :             }
    9525          150 :           gfc_conv_expr_reference (&argse, actual->expr);
    9526              :         }
    9527              : 
    9528          246 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    9529          246 :       gfc_add_block_to_block (&se->post, &argse.post);
    9530          246 :       vec_safe_push (args, argse.expr);
    9531              :     }
    9532              : 
    9533              :   /* Convert it to the required type.  */
    9534           82 :   type = gfc_typenode_for_spec (&expr->ts);
    9535           82 :   se->expr = build_call_expr_loc_vec (input_location,
    9536              :                                       gfor_fndecl_sr_kind, args);
    9537           82 :   se->expr = fold_convert (type, se->expr);
    9538           82 : }
    9539              : 
    9540              : 
    9541              : /* Generate code for TRIM (A) intrinsic function.  */
    9542              : 
    9543              : static void
    9544          580 : gfc_conv_intrinsic_trim (gfc_se * se, gfc_expr * expr)
    9545              : {
    9546          580 :   tree var;
    9547          580 :   tree len;
    9548          580 :   tree addr;
    9549          580 :   tree tmp;
    9550          580 :   tree cond;
    9551          580 :   tree fndecl;
    9552          580 :   tree function;
    9553          580 :   tree *args;
    9554          580 :   unsigned int num_args;
    9555              : 
    9556          580 :   num_args = gfc_intrinsic_argument_list_length (expr) + 2;
    9557          580 :   args = XALLOCAVEC (tree, num_args);
    9558              : 
    9559          580 :   var = gfc_create_var (gfc_get_pchar_type (expr->ts.kind), "pstr");
    9560          580 :   addr = gfc_build_addr_expr (ppvoid_type_node, var);
    9561          580 :   len = gfc_create_var (gfc_charlen_type_node, "len");
    9562              : 
    9563          580 :   gfc_conv_intrinsic_function_args (se, expr, &args[2], num_args - 2);
    9564          580 :   args[0] = gfc_build_addr_expr (NULL_TREE, len);
    9565          580 :   args[1] = addr;
    9566              : 
    9567          580 :   if (expr->ts.kind == 1)
    9568          548 :     function = gfor_fndecl_string_trim;
    9569           32 :   else if (expr->ts.kind == 4)
    9570           32 :     function = gfor_fndecl_string_trim_char4;
    9571              :   else
    9572            0 :     gcc_unreachable ();
    9573              : 
    9574          580 :   fndecl = build_addr (function);
    9575          580 :   tmp = build_call_array_loc (input_location,
    9576          580 :                           TREE_TYPE (TREE_TYPE (function)), fndecl,
    9577              :                           num_args, args);
    9578          580 :   gfc_add_expr_to_block (&se->pre, tmp);
    9579              : 
    9580              :   /* Free the temporary afterwards, if necessary.  */
    9581          580 :   cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    9582          580 :                           len, build_int_cst (TREE_TYPE (len), 0));
    9583          580 :   tmp = gfc_call_free (var);
    9584          580 :   tmp = build3_v (COND_EXPR, cond, tmp, build_empty_stmt (input_location));
    9585          580 :   gfc_add_expr_to_block (&se->post, tmp);
    9586              : 
    9587          580 :   se->expr = var;
    9588          580 :   se->string_length = len;
    9589          580 : }
    9590              : 
    9591              : 
    9592              : /* Generate code for REPEAT (STRING, NCOPIES) intrinsic function.  */
    9593              : 
    9594              : static void
    9595          541 : gfc_conv_intrinsic_repeat (gfc_se * se, gfc_expr * expr)
    9596              : {
    9597          541 :   tree args[3], ncopies, dest, dlen, src, slen, ncopies_type;
    9598          541 :   tree type, cond, tmp, count, exit_label, n, max, largest;
    9599          541 :   tree size;
    9600          541 :   stmtblock_t block, body;
    9601          541 :   int i;
    9602              : 
    9603              :   /* We store in charsize the size of a character.  */
    9604          541 :   i = gfc_validate_kind (BT_CHARACTER, expr->ts.kind, false);
    9605          541 :   size = build_int_cst (sizetype, gfc_character_kinds[i].bit_size / 8);
    9606              : 
    9607              :   /* Get the arguments.  */
    9608          541 :   gfc_conv_intrinsic_function_args (se, expr, args, 3);
    9609          541 :   slen = fold_convert (sizetype, gfc_evaluate_now (args[0], &se->pre));
    9610          541 :   src = args[1];
    9611          541 :   ncopies = gfc_evaluate_now (args[2], &se->pre);
    9612          541 :   ncopies_type = TREE_TYPE (ncopies);
    9613              : 
    9614              :   /* Check that NCOPIES is not negative.  */
    9615          541 :   cond = fold_build2_loc (input_location, LT_EXPR, logical_type_node, ncopies,
    9616              :                           build_int_cst (ncopies_type, 0));
    9617          541 :   gfc_trans_runtime_check (true, false, cond, &se->pre, &expr->where,
    9618              :                            "Argument NCOPIES of REPEAT intrinsic is negative "
    9619              :                            "(its value is %ld)",
    9620              :                            fold_convert (long_integer_type_node, ncopies));
    9621              : 
    9622              :   /* If the source length is zero, any non negative value of NCOPIES
    9623              :      is valid, and nothing happens.  */
    9624          541 :   n = gfc_create_var (ncopies_type, "ncopies");
    9625          541 :   cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, slen,
    9626              :                           size_zero_node);
    9627          541 :   tmp = fold_build3_loc (input_location, COND_EXPR, ncopies_type, cond,
    9628              :                          build_int_cst (ncopies_type, 0), ncopies);
    9629          541 :   gfc_add_modify (&se->pre, n, tmp);
    9630          541 :   ncopies = n;
    9631              : 
    9632              :   /* Check that ncopies is not too large: ncopies should be less than
    9633              :      (or equal to) MAX / slen, where MAX is the maximal integer of
    9634              :      the gfc_charlen_type_node type.  If slen == 0, we need a special
    9635              :      case to avoid the division by zero.  */
    9636          541 :   max = fold_build2_loc (input_location, TRUNC_DIV_EXPR, sizetype,
    9637          541 :                          fold_convert (sizetype,
    9638              :                                        TYPE_MAX_VALUE (gfc_charlen_type_node)),
    9639              :                          slen);
    9640         1078 :   largest = TYPE_PRECISION (sizetype) > TYPE_PRECISION (ncopies_type)
    9641          541 :               ? sizetype : ncopies_type;
    9642          541 :   cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    9643              :                           fold_convert (largest, ncopies),
    9644              :                           fold_convert (largest, max));
    9645          541 :   tmp = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, slen,
    9646              :                          size_zero_node);
    9647          541 :   cond = fold_build3_loc (input_location, COND_EXPR, logical_type_node, tmp,
    9648              :                           logical_false_node, cond);
    9649          541 :   gfc_trans_runtime_check (true, false, cond, &se->pre, &expr->where,
    9650              :                            "Argument NCOPIES of REPEAT intrinsic is too large");
    9651              : 
    9652              :   /* Compute the destination length.  */
    9653          541 :   dlen = fold_build2_loc (input_location, MULT_EXPR, gfc_charlen_type_node,
    9654              :                           fold_convert (gfc_charlen_type_node, slen),
    9655              :                           fold_convert (gfc_charlen_type_node, ncopies));
    9656          541 :   type = gfc_get_character_type (expr->ts.kind, expr->ts.u.cl);
    9657          541 :   dest = gfc_conv_string_tmp (se, build_pointer_type (type), dlen);
    9658              : 
    9659              :   /* Generate the code to do the repeat operation:
    9660              :        for (i = 0; i < ncopies; i++)
    9661              :          memmove (dest + (i * slen * size), src, slen*size);  */
    9662          541 :   gfc_start_block (&block);
    9663          541 :   count = gfc_create_var (sizetype, "count");
    9664          541 :   gfc_add_modify (&block, count, size_zero_node);
    9665          541 :   exit_label = gfc_build_label_decl (NULL_TREE);
    9666              : 
    9667              :   /* Start the loop body.  */
    9668          541 :   gfc_start_block (&body);
    9669              : 
    9670              :   /* Exit the loop if count >= ncopies.  */
    9671          541 :   cond = fold_build2_loc (input_location, GE_EXPR, logical_type_node, count,
    9672              :                           fold_convert (sizetype, ncopies));
    9673          541 :   tmp = build1_v (GOTO_EXPR, exit_label);
    9674          541 :   TREE_USED (exit_label) = 1;
    9675          541 :   tmp = fold_build3_loc (input_location, COND_EXPR, void_type_node, cond, tmp,
    9676              :                          build_empty_stmt (input_location));
    9677          541 :   gfc_add_expr_to_block (&body, tmp);
    9678              : 
    9679              :   /* Call memmove (dest + (i*slen*size), src, slen*size).  */
    9680          541 :   tmp = fold_build2_loc (input_location, MULT_EXPR, sizetype, slen,
    9681              :                          count);
    9682          541 :   tmp = fold_build2_loc (input_location, MULT_EXPR, sizetype, tmp,
    9683              :                          size);
    9684          541 :   tmp = fold_build_pointer_plus_loc (input_location,
    9685              :                                      fold_convert (pvoid_type_node, dest), tmp);
    9686          541 :   tmp = build_call_expr_loc (input_location,
    9687              :                              builtin_decl_explicit (BUILT_IN_MEMMOVE),
    9688              :                              3, tmp, src,
    9689              :                              fold_build2_loc (input_location, MULT_EXPR,
    9690              :                                               size_type_node, slen, size));
    9691          541 :   gfc_add_expr_to_block (&body, tmp);
    9692              : 
    9693              :   /* Increment count.  */
    9694          541 :   tmp = fold_build2_loc (input_location, PLUS_EXPR, sizetype,
    9695              :                          count, size_one_node);
    9696          541 :   gfc_add_modify (&body, count, tmp);
    9697              : 
    9698              :   /* Build the loop.  */
    9699          541 :   tmp = build1_v (LOOP_EXPR, gfc_finish_block (&body));
    9700          541 :   gfc_add_expr_to_block (&block, tmp);
    9701              : 
    9702              :   /* Add the exit label.  */
    9703          541 :   tmp = build1_v (LABEL_EXPR, exit_label);
    9704          541 :   gfc_add_expr_to_block (&block, tmp);
    9705              : 
    9706              :   /* Finish the block.  */
    9707          541 :   tmp = gfc_finish_block (&block);
    9708          541 :   gfc_add_expr_to_block (&se->pre, tmp);
    9709              : 
    9710              :   /* Set the result value.  */
    9711          541 :   se->expr = dest;
    9712          541 :   se->string_length = dlen;
    9713          541 : }
    9714              : 
    9715              : 
    9716              : /* Generate code for the IARGC intrinsic.  */
    9717              : 
    9718              : static void
    9719           12 : gfc_conv_intrinsic_iargc (gfc_se * se, gfc_expr * expr)
    9720              : {
    9721           12 :   tree tmp;
    9722           12 :   tree fndecl;
    9723           12 :   tree type;
    9724              : 
    9725              :   /* Call the library function.  This always returns an INTEGER(4).  */
    9726           12 :   fndecl = gfor_fndecl_iargc;
    9727           12 :   tmp = build_call_expr_loc (input_location,
    9728              :                          fndecl, 0);
    9729              : 
    9730              :   /* Convert it to the required type.  */
    9731           12 :   type = gfc_typenode_for_spec (&expr->ts);
    9732           12 :   tmp = fold_convert (type, tmp);
    9733              : 
    9734           12 :   se->expr = tmp;
    9735           12 : }
    9736              : 
    9737              : 
    9738              : /* Generate code for the KILL intrinsic.  */
    9739              : 
    9740              : static void
    9741            8 : conv_intrinsic_kill (gfc_se *se, gfc_expr *expr)
    9742              : {
    9743            8 :   tree *args;
    9744            8 :   tree int4_type_node = gfc_get_int_type (4);
    9745            8 :   tree pid;
    9746            8 :   tree sig;
    9747            8 :   tree tmp;
    9748            8 :   unsigned int num_args;
    9749              : 
    9750            8 :   num_args = gfc_intrinsic_argument_list_length (expr);
    9751            8 :   args = XALLOCAVEC (tree, num_args);
    9752            8 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
    9753              : 
    9754              :   /* Convert PID to a INTEGER(4) entity.  */
    9755            8 :   pid = convert (int4_type_node, args[0]);
    9756              : 
    9757              :   /* Convert SIG to a INTEGER(4) entity.  */
    9758            8 :   sig = convert (int4_type_node, args[1]);
    9759              : 
    9760            8 :   tmp = build_call_expr_loc (input_location, gfor_fndecl_kill, 2, pid, sig);
    9761              : 
    9762            8 :   se->expr = fold_convert (TREE_TYPE (args[0]), tmp);
    9763            8 : }
    9764              : 
    9765              : 
    9766              : static tree
    9767           15 : conv_intrinsic_kill_sub (gfc_code *code)
    9768              : {
    9769           15 :   stmtblock_t block;
    9770           15 :   gfc_se se, se_stat;
    9771           15 :   tree int4_type_node = gfc_get_int_type (4);
    9772           15 :   tree pid;
    9773           15 :   tree sig;
    9774           15 :   tree statp;
    9775           15 :   tree tmp;
    9776              : 
    9777              :   /* Make the function call.  */
    9778           15 :   gfc_init_block (&block);
    9779           15 :   gfc_init_se (&se, NULL);
    9780              : 
    9781              :   /* Convert PID to a INTEGER(4) entity.  */
    9782           15 :   gfc_conv_expr (&se, code->ext.actual->expr);
    9783           15 :   gfc_add_block_to_block (&block, &se.pre);
    9784           15 :   pid = fold_convert (int4_type_node, gfc_evaluate_now (se.expr, &block));
    9785           15 :   gfc_add_block_to_block (&block, &se.post);
    9786              : 
    9787              :   /* Convert SIG to a INTEGER(4) entity.  */
    9788           15 :   gfc_conv_expr (&se, code->ext.actual->next->expr);
    9789           15 :   gfc_add_block_to_block (&block, &se.pre);
    9790           15 :   sig = fold_convert (int4_type_node, gfc_evaluate_now (se.expr, &block));
    9791           15 :   gfc_add_block_to_block (&block, &se.post);
    9792              : 
    9793              :   /* Deal with an optional STATUS.  */
    9794           15 :   if (code->ext.actual->next->next->expr)
    9795              :     {
    9796           10 :       gfc_init_se (&se_stat, NULL);
    9797           10 :       gfc_conv_expr (&se_stat, code->ext.actual->next->next->expr);
    9798           10 :       statp = gfc_create_var (gfc_get_int_type (4), "_statp");
    9799              :     }
    9800              :   else
    9801              :     statp = NULL_TREE;
    9802              : 
    9803           25 :   tmp = build_call_expr_loc (input_location, gfor_fndecl_kill_sub, 3, pid, sig,
    9804           10 :         statp ? gfc_build_addr_expr (NULL_TREE, statp) : null_pointer_node);
    9805              : 
    9806           15 :   gfc_add_expr_to_block (&block, tmp);
    9807              : 
    9808           15 :   if (statp && statp != se_stat.expr)
    9809           10 :     gfc_add_modify (&block, se_stat.expr,
    9810           10 :                     fold_convert (TREE_TYPE (se_stat.expr), statp));
    9811              : 
    9812           15 :   return gfc_finish_block (&block);
    9813              : }
    9814              : 
    9815              : 
    9816              : 
    9817              : /* The loc intrinsic returns the address of its argument as
    9818              :    gfc_index_integer_kind integer.  */
    9819              : 
    9820              : static void
    9821         8993 : gfc_conv_intrinsic_loc (gfc_se * se, gfc_expr * expr)
    9822              : {
    9823         8993 :   tree temp_var;
    9824         8993 :   gfc_expr *arg_expr;
    9825              : 
    9826         8993 :   gcc_assert (!se->ss);
    9827              : 
    9828         8993 :   arg_expr = expr->value.function.actual->expr;
    9829         8993 :   if (arg_expr->rank == 0)
    9830              :     {
    9831         6575 :       if (arg_expr->ts.type == BT_CLASS)
    9832           18 :         gfc_add_data_component (arg_expr);
    9833         6575 :       gfc_conv_expr_reference (se, arg_expr);
    9834              :     }
    9835         2418 :   else if (gfc_is_simply_contiguous (arg_expr, false, false))
    9836         2380 :     gfc_conv_array_parameter (se, arg_expr, true, NULL, NULL, NULL);
    9837              :   else
    9838              :     {
    9839           38 :       gfc_conv_expr_descriptor (se, arg_expr);
    9840           38 :       se->expr = gfc_conv_descriptor_data_get (se->expr);
    9841              :     }
    9842         8993 :   se->expr = convert (gfc_get_int_type (gfc_index_integer_kind), se->expr);
    9843         8993 :   se->expr = gfc_evaluate_now (se->expr, &se->pre);
    9844              : 
    9845              :   /* Create a temporary variable for loc return value.  Without this,
    9846              :      we get an error an ICE in gcc/expr.cc(expand_expr_addr_expr_1).  */
    9847         8993 :   temp_var = gfc_create_var (gfc_get_int_type (gfc_index_integer_kind), NULL);
    9848         8993 :   gfc_add_modify (&se->pre, temp_var, se->expr);
    9849         8993 :   se->expr = temp_var;
    9850         8993 : }
    9851              : 
    9852              : /* The following routine generates code for the intrinsic functions from
    9853              :    the ISO_C_BINDING module: C_LOC, C_FUNLOC, C_ASSOCIATED, and
    9854              :    F_C_STRING.  */
    9855              : 
    9856              : static void
    9857         9949 : conv_isocbinding_function (gfc_se *se, gfc_expr *expr)
    9858              : {
    9859         9949 :   gfc_actual_arglist *arg = expr->value.function.actual;
    9860              : 
    9861         9949 :   if (expr->value.function.isym->id == GFC_ISYM_C_LOC)
    9862              :     {
    9863         7559 :       if (arg->expr->rank == 0)
    9864         2010 :         gfc_conv_expr_reference (se, arg->expr);
    9865         5549 :       else if (gfc_is_simply_contiguous (arg->expr, false, false))
    9866         4465 :         gfc_conv_array_parameter (se, arg->expr, true, NULL, NULL, NULL);
    9867              :       else
    9868              :         {
    9869         1084 :           gfc_conv_expr_descriptor (se, arg->expr);
    9870         1084 :           se->expr = gfc_conv_descriptor_data_get (se->expr);
    9871              :         }
    9872              : 
    9873              :       /* TODO -- the following two lines shouldn't be necessary, but if
    9874              :          they're removed, a bug is exposed later in the code path.
    9875              :          This workaround was thus introduced, but will have to be
    9876              :          removed; please see PR 35150 for details about the issue.  */
    9877         7559 :       se->expr = convert (pvoid_type_node, se->expr);
    9878         7559 :       se->expr = gfc_evaluate_now (se->expr, &se->pre);
    9879              :     }
    9880         2390 :   else if (expr->value.function.isym->id == GFC_ISYM_C_FUNLOC)
    9881              :     {
    9882          260 :       gfc_conv_expr_reference (se, arg->expr);
    9883          260 :       if (arg->expr->symtree->n.sym->attr.proc_pointer
    9884           29 :           && arg->expr->symtree->n.sym->attr.dummy)
    9885            7 :         se->expr = build_fold_indirect_ref_loc (input_location, se->expr);
    9886              :       /* The code below is necessary to create a reference from the calling
    9887              :          subprogram to the argument of C_FUNLOC() in the call graph.
    9888              :          Please see PR 117303 for more details. */
    9889          260 :       se->expr = convert (pvoid_type_node, se->expr);
    9890          260 :       se->expr = gfc_evaluate_now (se->expr, &se->pre);
    9891              :     }
    9892         2130 :   else if (expr->value.function.isym->id == GFC_ISYM_C_ASSOCIATED)
    9893              :     {
    9894         2054 :       gfc_se arg1se;
    9895         2054 :       gfc_se arg2se;
    9896              : 
    9897              :       /* Build the addr_expr for the first argument.  The argument is
    9898              :          already an *address* so we don't need to set want_pointer in
    9899              :          the gfc_se.  */
    9900         2054 :       gfc_init_se (&arg1se, NULL);
    9901         2054 :       gfc_conv_expr (&arg1se, arg->expr);
    9902         2054 :       gfc_add_block_to_block (&se->pre, &arg1se.pre);
    9903         2054 :       gfc_add_block_to_block (&se->post, &arg1se.post);
    9904              : 
    9905              :       /* See if we were given two arguments.  */
    9906         2054 :       if (arg->next->expr == NULL)
    9907              :         /* Only given one arg so generate a null and do a
    9908              :            not-equal comparison against the first arg.  */
    9909         1675 :         se->expr = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    9910              :                                     arg1se.expr,
    9911         1675 :                                     fold_convert (TREE_TYPE (arg1se.expr),
    9912              :                                                   null_pointer_node));
    9913              :       else
    9914              :         {
    9915          379 :           tree eq_expr;
    9916          379 :           tree not_null_expr;
    9917              : 
    9918              :           /* Given two arguments so build the arg2se from second arg.  */
    9919          379 :           gfc_init_se (&arg2se, NULL);
    9920          379 :           gfc_conv_expr (&arg2se, arg->next->expr);
    9921          379 :           gfc_add_block_to_block (&se->pre, &arg2se.pre);
    9922          379 :           gfc_add_block_to_block (&se->post, &arg2se.post);
    9923              : 
    9924              :           /* Generate test to compare that the two args are equal.  */
    9925          379 :           eq_expr = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    9926              :                                      arg1se.expr, arg2se.expr);
    9927              :           /* Generate test to ensure that the first arg is not null.  */
    9928          379 :           not_null_expr = fold_build2_loc (input_location, NE_EXPR,
    9929              :                                            logical_type_node,
    9930              :                                            arg1se.expr, null_pointer_node);
    9931              : 
    9932              :           /* Finally, the generated test must check that both arg1 is not
    9933              :              NULL and that it is equal to the second arg.  */
    9934          379 :           se->expr = fold_build2_loc (input_location, TRUTH_AND_EXPR,
    9935              :                                       logical_type_node,
    9936              :                                       not_null_expr, eq_expr);
    9937              :         }
    9938              :     }
    9939           76 :   else if (expr->value.function.isym->id == GFC_ISYM_F_C_STRING)
    9940              :     {
    9941              :       /* There are three cases:
    9942              :          f_c_string(string)          -> trim(string) // c_null_char
    9943              :          f_c_string(string, .false.) -> trim(string) // c_null_char
    9944              :          f_c_string(string, .true.)  -> string       // c_null_char  */
    9945              : 
    9946           76 :       gfc_expr *string = arg->expr;
    9947           76 :       gfc_expr *asis = arg->next->expr;
    9948           76 :       bool need_asis = false, need_trim = false;
    9949           76 :       gfc_se asis_se;
    9950              : 
    9951           76 :       if (!asis)
    9952              :         {
    9953              :           need_trim = true;
    9954              :           need_asis = false;
    9955              :         }
    9956           54 :       else if (asis->expr_type == EXPR_CONSTANT)
    9957              :         {
    9958           32 :           need_asis = asis->value.logical;
    9959           32 :           need_trim = !need_asis;
    9960              :         }
    9961              :       else
    9962              :         {
    9963              :           /* A conditional expression is needed.  */
    9964           22 :           need_asis = true;
    9965           22 :           need_trim = true;
    9966           22 :           gfc_init_se (&asis_se, se);
    9967           22 :           gfc_conv_expr (&asis_se, asis);
    9968           22 :           if (asis->expr_type == EXPR_VARIABLE
    9969           22 :               && asis->symtree->n.sym->attr.dummy
    9970           10 :               && asis->symtree->n.sym->attr.optional)
    9971              :             {
    9972            6 :               tree present = gfc_conv_expr_present (asis->symtree->n.sym);
    9973            6 :               asis_se.expr
    9974            6 :                 = build3_loc (input_location, COND_EXPR,
    9975              :                               logical_type_node, present,
    9976              :                               asis_se.expr, logical_false_node);
    9977              :             }
    9978           22 :           gfc_make_safe_expr (&asis_se);
    9979              :         }
    9980              : 
    9981              :       /* Handle the case of a constant string argument first.  */
    9982           76 :       if (string->expr_type == EXPR_CONSTANT)
    9983              :         {
    9984              :           /* Output for the asis "then" case goes tlen/tstr, and the
    9985              :              trimmed case in elen/estr.  */
    9986           34 :           tree elen, estr, tlen, tstr;
    9987           34 :           elen = estr = tlen = tstr = NULL_TREE;
    9988              : 
    9989           34 :           gfc_char_t *orig_string = string->value.character.string;
    9990           34 :           gfc_charlen_t orig_len = string->value.character.length;
    9991           34 :           gfc_charlen_t n;
    9992           34 :           gfc_char_t *buf
    9993           34 :             = (gfc_char_t *) alloca ((orig_len + 1) * sizeof (gfc_char_t));
    9994           34 :           memcpy (buf, orig_string, orig_len * sizeof (gfc_char_t));
    9995           34 :           buf[orig_len] = '\0';
    9996           34 :           int kind = gfc_default_character_kind;
    9997           34 :           gcc_assert (string->ts.kind == kind);
    9998              : 
    9999              :           /* Build the new string constant(s).  */
   10000           34 :           if (need_asis)
   10001              :             {
   10002           14 :               tstr = gfc_build_wide_string_const (kind, orig_len + 1, buf);
   10003           14 :               tlen = TYPE_MAX_VALUE (TYPE_DOMAIN (TREE_TYPE (tstr)));
   10004           14 :               if (!need_trim)
   10005              :                 {
   10006           10 :                   se->expr = tstr;
   10007           10 :                   se->string_length = tlen;
   10008           10 :                   return;
   10009              :                 }
   10010              :             }
   10011           24 :           if (need_trim)
   10012              :             {
   10013           72 :               for (n = orig_len; n; n--)
   10014           72 :                 if (buf[n - 1] != ' ')
   10015              :                   break;
   10016           24 :               buf[n] = '\0';
   10017           24 :               if (need_asis && n == orig_len)
   10018              :                 {
   10019              :                   /* Special case; trimming is a no-op.  Add side-effects
   10020              :                      from the condition and then just return the string
   10021              :                      without a conditional.  */
   10022            2 :                   gfc_add_block_to_block (&se->pre, &asis_se.pre);
   10023            2 :                   se->expr = tstr;
   10024            2 :                   se->string_length = tlen;
   10025            2 :                   return;
   10026              :                 }
   10027              :               else
   10028              :                 {
   10029           22 :                   estr = gfc_build_wide_string_const (kind, n + 1, buf);
   10030           22 :                   elen = TYPE_MAX_VALUE (TYPE_DOMAIN (TREE_TYPE (estr)));
   10031              :                 }
   10032           22 :               if (!need_asis)
   10033              :                 {
   10034           20 :                   se->expr = estr;
   10035           20 :                   se->string_length = elen;
   10036           20 :                   return;
   10037              :                 }
   10038              :             }
   10039            0 :           gcc_assert (need_asis && need_trim);
   10040            2 :           gfc_add_block_to_block (&se->pre, &asis_se.pre);
   10041            2 :           se->expr
   10042            2 :             = fold_build3_loc (input_location, COND_EXPR,
   10043              :                                pchar_type_node, asis_se.expr,
   10044              :                                tstr, estr);
   10045            2 :           se->string_length
   10046            2 :             = fold_build3_loc (input_location, COND_EXPR,
   10047              :                                gfc_charlen_type_node, asis_se.expr,
   10048              :                                tlen, elen);
   10049            2 :           return;
   10050              :         }
   10051              :       else
   10052              :         /* We have to generate code to do the string transformation(s) at
   10053              :            runtime.  */
   10054              :         {
   10055           42 :           tree tmp;
   10056              : 
   10057              :           /* Convert input string. */
   10058           42 :           gfc_se sse;
   10059           42 :           gfc_init_se (&sse, se);
   10060           42 :           gfc_conv_expr (&sse, string);
   10061           42 :           gfc_conv_string_parameter (&sse);
   10062           42 :           gfc_make_safe_expr (&sse);
   10063           42 :           gfc_add_block_to_block (&se->pre, &sse.pre);
   10064              : 
   10065              :           /* Use a temporary for the (possibly trimmed) string length.  */
   10066           42 :           tree lenvar = gfc_create_var (gfc_charlen_type_node, NULL);
   10067           42 :           gfc_add_modify (&se->pre, lenvar, sse.string_length);
   10068              : 
   10069              :           /* Build the expression for a call to LEN_TRIM if we may need
   10070              :              to trim the string.  If it's conditional, handle that too.  */
   10071           42 :           if (need_trim)
   10072              :             {
   10073           36 :               tree trimlen
   10074           36 :                 = build_call_expr_loc (input_location,
   10075              :                                        gfor_fndecl_string_len_trim, 2,
   10076              :                                        lenvar, sse.expr);
   10077           36 :               if (need_asis)
   10078              :                 {
   10079           18 :                   gfc_add_block_to_block (&se->pre, &asis_se.pre);
   10080           18 :                   tmp = fold_build3_loc (input_location, COND_EXPR,
   10081              :                                          gfc_charlen_type_node, asis_se.expr,
   10082              :                                          lenvar, trimlen);
   10083           18 :                   gfc_add_modify (&se->pre, lenvar, tmp);
   10084              :                 }
   10085              :               else
   10086           18 :                 gfc_add_modify (&se->pre, lenvar, trimlen);
   10087              :             }
   10088              : 
   10089              :           /* Allocate a new string newvar that is lenvar+1 bytes long.
   10090              :              memcpy the first lenvar bytes from the input string, and
   10091              :              add a null character.  Note that lenvar, the length of
   10092              :              the (trimmed) original string, has type gfc_charlen_type_node,
   10093              :              but newlen is size_type_node.  */
   10094           42 :           tree string_type_node = build_pointer_type (char_type_node);
   10095           42 :           tree newvar = gfc_create_var (string_type_node, NULL);
   10096           42 :           tree newlen = fold_build2_loc (input_location, PLUS_EXPR,
   10097              :                                          size_type_node,
   10098              :                                          fold_convert (size_type_node,
   10099              :                                                        lenvar),
   10100              :                                          size_one_node);
   10101           42 :           gfc_add_modify (&se->pre, newvar,
   10102              :                           gfc_call_malloc (&se->pre, string_type_node,
   10103              :                                            newlen));
   10104           42 :           tmp = build_call_expr_loc (input_location,
   10105              :                                      builtin_decl_explicit (BUILT_IN_MEMCPY),
   10106              :                                      3,
   10107              :                                      fold_convert (pvoid_type_node, newvar),
   10108              :                                      fold_convert (pvoid_type_node, sse.expr),
   10109              :                                      fold_convert (size_type_node, lenvar));
   10110           42 :           gfc_add_expr_to_block (&se->pre, tmp);
   10111           42 :           tmp = fold_build2_loc (input_location, POINTER_PLUS_EXPR,
   10112              :                                  string_type_node, newvar,
   10113              :                                  fold_convert (size_type_node, lenvar));
   10114           42 :           tmp = fold_build1_loc (input_location, INDIRECT_REF,
   10115              :                                  char_type_node, tmp);
   10116           42 :           gfc_add_modify (&se->pre, tmp,
   10117              :                           fold_convert (char_type_node, integer_zero_node));
   10118              : 
   10119              :           /* Remember to free the string later.  */
   10120           42 :           tmp = gfc_call_free (newvar);
   10121           42 :           gfc_add_expr_to_block (&se->post, tmp);
   10122              : 
   10123              :           /* Return the result.  */
   10124           42 :           se->expr = newvar;
   10125           42 :           se->string_length = fold_convert (gfc_charlen_type_node, newlen);
   10126           42 :           return;
   10127              :         }
   10128              :     }
   10129              :   else
   10130            0 :     gcc_unreachable ();
   10131              : }
   10132              : 
   10133              : 
   10134              : /* The following routine generates code for the intrinsic
   10135              :    subroutines from the ISO_C_BINDING module:
   10136              :     * C_F_POINTER
   10137              :     * C_F_PROCPOINTER.  */
   10138              : 
   10139              : static tree
   10140         3370 : conv_isocbinding_subroutine (gfc_code *code)
   10141              : {
   10142         3370 :   gfc_expr *cptr, *fptr, *shape, *lower;
   10143         3370 :   gfc_se se, cptrse, fptrse, shapese, lowerse;
   10144         3370 :   gfc_ss *shape_ss, *lower_ss;
   10145         3370 :   tree desc, dim, tmp, stride, offset, lbound, ubound;
   10146         3370 :   stmtblock_t body, block;
   10147         3370 :   gfc_loopinfo loop;
   10148         3370 :   gfc_actual_arglist *arg;
   10149              : 
   10150         3370 :   arg = code->ext.actual;
   10151         3370 :   cptr = arg->expr;
   10152         3370 :   fptr = arg->next->expr;
   10153         3370 :   shape = arg->next->next ? arg->next->next->expr : NULL;
   10154         3288 :   lower = shape && arg->next->next->next ? arg->next->next->next->expr : NULL;
   10155              : 
   10156         3370 :   gfc_init_se (&se, NULL);
   10157         3370 :   gfc_init_se (&cptrse, NULL);
   10158         3370 :   gfc_conv_expr (&cptrse, cptr);
   10159         3370 :   gfc_add_block_to_block (&se.pre, &cptrse.pre);
   10160         3370 :   gfc_add_block_to_block (&se.post, &cptrse.post);
   10161              : 
   10162         3370 :   gfc_init_se (&fptrse, NULL);
   10163         3370 :   if (fptr->rank == 0)
   10164              :     {
   10165         2884 :       fptrse.want_pointer = 1;
   10166         2884 :       gfc_conv_expr (&fptrse, fptr);
   10167         2884 :       gfc_add_block_to_block (&se.pre, &fptrse.pre);
   10168         2884 :       gfc_add_block_to_block (&se.post, &fptrse.post);
   10169         2884 :       if (fptr->symtree->n.sym->attr.proc_pointer
   10170           81 :           && fptr->symtree->n.sym->attr.dummy)
   10171           19 :         fptrse.expr = build_fold_indirect_ref_loc (input_location, fptrse.expr);
   10172         2884 :       se.expr
   10173         2884 :         = fold_build2_loc (input_location, MODIFY_EXPR, TREE_TYPE (fptrse.expr),
   10174              :                            fptrse.expr,
   10175         2884 :                            fold_convert (TREE_TYPE (fptrse.expr), cptrse.expr));
   10176         2884 :       gfc_add_expr_to_block (&se.pre, se.expr);
   10177         2884 :       gfc_add_block_to_block (&se.pre, &se.post);
   10178         2884 :       return gfc_finish_block (&se.pre);
   10179              :     }
   10180              : 
   10181          486 :   gfc_start_block (&block);
   10182              : 
   10183              :   /* Get the descriptor of the Fortran pointer.  */
   10184          486 :   fptrse.descriptor_only = 1;
   10185          486 :   gfc_conv_expr_descriptor (&fptrse, fptr);
   10186          486 :   gfc_add_block_to_block (&block, &fptrse.pre);
   10187          486 :   desc = fptrse.expr;
   10188              : 
   10189              :   /* Set the span field.  */
   10190          486 :   tmp = TYPE_SIZE_UNIT (gfc_get_element_type (TREE_TYPE (desc)));
   10191          486 :   tmp = fold_convert (gfc_array_index_type, tmp);
   10192          486 :   gfc_conv_descriptor_span_set (&block, desc, tmp);
   10193              : 
   10194              :   /* Set data value, dtype, and offset.  */
   10195          486 :   tmp = GFC_TYPE_ARRAY_DATAPTR_TYPE (TREE_TYPE (desc));
   10196          486 :   gfc_conv_descriptor_data_set (&block, desc, fold_convert (tmp, cptrse.expr));
   10197          486 :   gfc_conv_descriptor_dtype_set (&block, desc,
   10198          486 :                                  gfc_get_dtype (TREE_TYPE (desc)));
   10199              : 
   10200              :   /* Start scalarization of the bounds, using the shape argument.  */
   10201              : 
   10202          486 :   shape_ss = gfc_walk_expr (shape);
   10203          486 :   gcc_assert (shape_ss != gfc_ss_terminator);
   10204          486 :   gfc_init_se (&shapese, NULL);
   10205          486 :   if (lower)
   10206              :     {
   10207           12 :       lower_ss = gfc_walk_expr (lower);
   10208           12 :       gcc_assert (lower_ss != gfc_ss_terminator);
   10209           12 :       gfc_init_se (&lowerse, NULL);
   10210              :     }
   10211              : 
   10212          486 :   gfc_init_loopinfo (&loop);
   10213          486 :   gfc_add_ss_to_loop (&loop, shape_ss);
   10214          486 :   if (lower)
   10215           12 :     gfc_add_ss_to_loop (&loop, lower_ss);
   10216          486 :   gfc_conv_ss_startstride (&loop);
   10217          486 :   gfc_conv_loop_setup (&loop, &fptr->where);
   10218          486 :   gfc_mark_ss_chain_used (shape_ss, 1);
   10219          486 :   if (lower)
   10220           12 :     gfc_mark_ss_chain_used (lower_ss, 1);
   10221              : 
   10222          486 :   gfc_copy_loopinfo_to_se (&shapese, &loop);
   10223          486 :   shapese.ss = shape_ss;
   10224          486 :   if (lower)
   10225              :     {
   10226           12 :       gfc_copy_loopinfo_to_se (&lowerse, &loop);
   10227           12 :       lowerse.ss = lower_ss;
   10228              :     }
   10229              : 
   10230          486 :   stride = gfc_create_var (gfc_array_index_type, "stride");
   10231          486 :   offset = gfc_create_var (gfc_array_index_type, "offset");
   10232          486 :   gfc_add_modify (&block, stride, gfc_index_one_node);
   10233          486 :   gfc_add_modify (&block, offset, gfc_index_zero_node);
   10234              : 
   10235              :   /* Loop body.  */
   10236          486 :   gfc_start_scalarized_body (&loop, &body);
   10237              : 
   10238          486 :   dim = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
   10239              :                          loop.loopvar[0], loop.from[0]);
   10240              : 
   10241          486 :   if (lower)
   10242              :     {
   10243           12 :       gfc_conv_expr (&lowerse, lower);
   10244           12 :       gfc_add_block_to_block (&body, &lowerse.pre);
   10245           12 :       lbound = fold_convert (gfc_array_index_type, lowerse.expr);
   10246           12 :       gfc_add_block_to_block (&body, &lowerse.post);
   10247              :     }
   10248              :   else
   10249          474 :     lbound = gfc_index_one_node;
   10250              : 
   10251              :   /* Set bounds and stride.  */
   10252          486 :   gfc_conv_descriptor_lbound_set (&body, desc, dim, lbound);
   10253          486 :   gfc_conv_descriptor_stride_set (&body, desc, dim, stride);
   10254              : 
   10255          486 :   gfc_conv_expr (&shapese, shape);
   10256          486 :   gfc_add_block_to_block (&body, &shapese.pre);
   10257          486 :   ubound = fold_build2_loc (
   10258              :     input_location, MINUS_EXPR, gfc_array_index_type,
   10259              :     fold_build2_loc (input_location, PLUS_EXPR, gfc_array_index_type, lbound,
   10260              :                      fold_convert (gfc_array_index_type, shapese.expr)),
   10261              :     gfc_index_one_node);
   10262          486 :   gfc_conv_descriptor_ubound_set (&body, desc, dim, ubound);
   10263          486 :   gfc_add_block_to_block (&body, &shapese.post);
   10264              : 
   10265              :   /* Calculate offset.  */
   10266          486 :   tmp = fold_build2_loc (input_location, MULT_EXPR, gfc_array_index_type,
   10267              :                          stride, lbound);
   10268          486 :   gfc_add_modify (&body, offset,
   10269              :                   fold_build2_loc (input_location, PLUS_EXPR,
   10270              :                                    gfc_array_index_type, offset, tmp));
   10271              : 
   10272              :   /* Update stride.  */
   10273          486 :   gfc_add_modify (
   10274              :     &body, stride,
   10275              :     fold_build2_loc (input_location, MULT_EXPR, gfc_array_index_type, stride,
   10276              :                      fold_convert (gfc_array_index_type, shapese.expr)));
   10277              :   /* Finish scalarization loop.  */
   10278          486 :   gfc_trans_scalarizing_loops (&loop, &body);
   10279          486 :   gfc_add_block_to_block (&block, &loop.pre);
   10280          486 :   gfc_add_block_to_block (&block, &loop.post);
   10281          486 :   gfc_add_block_to_block (&block, &fptrse.post);
   10282          486 :   gfc_cleanup_loop (&loop);
   10283              : 
   10284          486 :   gfc_add_modify (&block, offset,
   10285              :                   fold_build1_loc (input_location, NEGATE_EXPR,
   10286              :                                    gfc_array_index_type, offset));
   10287          486 :   gfc_conv_descriptor_offset_set (&block, desc, offset);
   10288              : 
   10289          486 :   gfc_add_expr_to_block (&se.pre, gfc_finish_block (&block));
   10290          486 :   gfc_add_block_to_block (&se.pre, &se.post);
   10291          486 :   return gfc_finish_block (&se.pre);
   10292              : }
   10293              : 
   10294              : 
   10295              : /* The following routine generates code for both forms of the intrinsic
   10296              :    subroutine C_F_STRPOINTER from the ISO_C_BINDING module.  */
   10297              : static tree
   10298           60 : conv_isocbinding_subroutine_strpointer (gfc_code *code)
   10299              : {
   10300           60 :   gfc_actual_arglist *arg = code->ext.actual;
   10301           60 :   gfc_expr *arg0 = arg->expr;
   10302           60 :   gfc_expr *fstrptr = arg->next->expr;
   10303           60 :   gfc_expr *nchars = arg->next->next->expr;
   10304           60 :   tree ptr;
   10305           60 :   tree size = NULL_TREE;
   10306           60 :   tree nc = NULL_TREE;
   10307           60 :   tree fstrptr_ptr, fstrptr_len;
   10308           60 :   stmtblock_t block;
   10309           60 :   gfc_init_block (&block);
   10310           60 :   gfc_se se0, se1, se2;
   10311           60 :   gfc_init_se (&se0, NULL);
   10312           60 :   gfc_init_se (&se1, NULL);
   10313           60 :   gfc_init_se (&se2, NULL);
   10314              : 
   10315              :   /* arg0 can either be a simply contiguous rank-one character array,
   10316              :      or a scalar of type c_ptr that points to a contiguous array.
   10317              :      In the first case nchars may be omitted and defaults to the size
   10318              :      of the array.  */
   10319           60 :   if (arg0->rank == 1)
   10320              :     {
   10321           42 :       gfc_array_ref *ar = gfc_find_array_ref (arg0);
   10322           42 :       if (ar->as && ar->as->type == AS_ASSUMED_SIZE
   10323           12 :           && (ar->type == AR_FULL || ar->end[0] == nullptr))
   10324              :         /* No size available.  */
   10325           12 :         gfc_conv_array_parameter (&se0, arg0, true, NULL, NULL, NULL);
   10326              :       else
   10327              :         {
   10328           30 :           gfc_conv_array_parameter (&se0, arg0, true, NULL, NULL, &size);
   10329           30 :           gcc_assert (size);
   10330              :         }
   10331           42 :       ptr = se0.expr;
   10332              :     }
   10333           18 :   else if (arg0->rank == 0)
   10334              :     {
   10335              :       /* Scalar case.  arg0 is a C pointer to the string, and the
   10336              :          nchars argument is required.  */
   10337           18 :       gfc_conv_expr (&se0, arg0);
   10338           18 :       ptr = se0.expr;
   10339              :       /* We already issued a diagnostic for this in parsing.  */
   10340           18 :       gcc_assert (nchars);
   10341              :     }
   10342              :   else
   10343            0 :     gcc_unreachable ();
   10344              : 
   10345              :   /* Translate the fortran array pointer argument.  AFAICT the
   10346              :      representation here is that this returns the pointer location in
   10347              :      se1.expr and there is a separate decl for the length.
   10348              :      Of course none of this is properly documented....  :-(  */
   10349           60 :   gfc_conv_expr (&se1, fstrptr);
   10350           60 :   fstrptr_ptr = se1.expr;
   10351           60 :   gcc_assert (fstrptr->ts.u.cl && fstrptr->ts.u.cl->backend_decl);
   10352           60 :   fstrptr_len = fstrptr->ts.u.cl->backend_decl;
   10353              : 
   10354              :   /* Translate nchars, if provided.  If we have both the array size
   10355              :      and nchars, take the minimum value.  NC is the tree expr to hold
   10356              :      the value.  */
   10357           60 :   if (nchars)
   10358              :     {
   10359           30 :       gfc_conv_expr (&se2, nchars);
   10360           30 :       nc = se2.expr;
   10361           30 :       if (size)
   10362            0 :         nc = fold_build2_loc (input_location, MIN_EXPR,
   10363            0 :                               TREE_TYPE (nc), nc, size);
   10364              :       /* Check for the case where an optional dummy parameter is
   10365              :          passed as the optional nchars argument.  It's not supposed to
   10366              :          be omitted if we don't also have an array size; rather than
   10367              :          produce a run-time error, assume size 0.  */
   10368           30 :       if (nchars->expr_type == EXPR_VARIABLE
   10369           18 :           && nchars->symtree->n.sym->attr.dummy
   10370           18 :           && nchars->symtree->n.sym->attr.optional)
   10371              :         {
   10372           12 :           tree present = gfc_conv_expr_present (nchars->symtree->n.sym);
   10373           12 :           nc = build3_loc (input_location, COND_EXPR,
   10374           12 :                            TREE_TYPE (nc), present, nc,
   10375           24 :                            size ? size : build_int_cst (TREE_TYPE (nc), 0));
   10376              :         }
   10377              :     }
   10378              :   else
   10379              :     {
   10380           30 :       gcc_assert (size);
   10381              :       nc = size;
   10382              :     }
   10383              : 
   10384              :   /* Collect argument side-effect statements.  */
   10385           60 :   gfc_add_block_to_block (&block, &se0.pre);
   10386           60 :   gfc_add_block_to_block (&block, &se1.pre);
   10387           60 :   gfc_add_block_to_block (&block, &se2.pre);
   10388              : 
   10389              :   /* Generate a call to builtin_strnlen to get the C string length
   10390              :      for the output fstrptr.  */
   10391           60 :   ptr = gfc_evaluate_now (ptr, &block);
   10392           60 :   size = build_call_expr_loc (input_location,
   10393              :                               builtin_decl_explicit (BUILT_IN_STRNLEN), 2,
   10394              :                               fold_convert (const_ptr_type_node, ptr),
   10395              :                               fold_convert (size_type_node, nc));
   10396              : 
   10397              :   /* Stuff the raw C char pointer PTR and actual length SIZE into fstrptr.  */
   10398           60 :   gfc_add_modify (&block, fstrptr_ptr,
   10399           60 :                   fold_convert (TREE_TYPE (fstrptr_ptr), ptr));
   10400           60 :   gfc_add_modify (&block, fstrptr_len,
   10401              :                   fold_convert (gfc_charlen_type_node, size));
   10402              : 
   10403              :   /* Collect argument cleanups.  */
   10404           60 :   gfc_add_block_to_block (&block, &se2.post);
   10405           60 :   gfc_add_block_to_block (&block, &se1.post);
   10406           60 :   gfc_add_block_to_block (&block, &se0.post);
   10407              : 
   10408           60 :   return gfc_finish_block (&block);
   10409              : }
   10410              : 
   10411              : /* Save and restore floating-point state.  */
   10412              : 
   10413              : tree
   10414          943 : gfc_save_fp_state (stmtblock_t *block)
   10415              : {
   10416          943 :   tree type, fpstate, tmp;
   10417              : 
   10418          943 :   type = build_array_type (char_type_node,
   10419              :                            build_range_type (size_type_node, size_zero_node,
   10420              :                                              size_int (GFC_FPE_STATE_BUFFER_SIZE)));
   10421          943 :   fpstate = gfc_create_var (type, "fpstate");
   10422          943 :   fpstate = gfc_build_addr_expr (pvoid_type_node, fpstate);
   10423              : 
   10424          943 :   tmp = build_call_expr_loc (input_location, gfor_fndecl_ieee_procedure_entry,
   10425              :                              1, fpstate);
   10426          943 :   gfc_add_expr_to_block (block, tmp);
   10427              : 
   10428          943 :   return fpstate;
   10429              : }
   10430              : 
   10431              : 
   10432              : void
   10433          943 : gfc_restore_fp_state (stmtblock_t *block, tree fpstate)
   10434              : {
   10435          943 :   tree tmp;
   10436              : 
   10437          943 :   tmp = build_call_expr_loc (input_location, gfor_fndecl_ieee_procedure_exit,
   10438              :                              1, fpstate);
   10439          943 :   gfc_add_expr_to_block (block, tmp);
   10440          943 : }
   10441              : 
   10442              : 
   10443              : /* Generate code for arguments of IEEE functions.  */
   10444              : 
   10445              : static void
   10446        12457 : conv_ieee_function_args (gfc_se *se, gfc_expr *expr, tree *argarray,
   10447              :                          int nargs)
   10448              : {
   10449        12457 :   gfc_actual_arglist *actual;
   10450        12457 :   gfc_expr *e;
   10451        12457 :   gfc_se argse;
   10452        12457 :   int arg;
   10453              : 
   10454        12457 :   actual = expr->value.function.actual;
   10455        34461 :   for (arg = 0; arg < nargs; arg++, actual = actual->next)
   10456              :     {
   10457        22004 :       gcc_assert (actual);
   10458        22004 :       e = actual->expr;
   10459              : 
   10460        22004 :       gfc_init_se (&argse, se);
   10461        22004 :       gfc_conv_expr_val (&argse, e);
   10462              : 
   10463        22004 :       gfc_add_block_to_block (&se->pre, &argse.pre);
   10464        22004 :       gfc_add_block_to_block (&se->post, &argse.post);
   10465        22004 :       argarray[arg] = argse.expr;
   10466              :     }
   10467        12457 : }
   10468              : 
   10469              : 
   10470              : /* Generate code for intrinsics IEEE_IS_NAN, IEEE_IS_FINITE
   10471              :    and IEEE_UNORDERED, which translate directly to GCC type-generic
   10472              :    built-ins.  */
   10473              : 
   10474              : static void
   10475         1062 : conv_intrinsic_ieee_builtin (gfc_se * se, gfc_expr * expr,
   10476              :                              enum built_in_function code, int nargs)
   10477              : {
   10478         1062 :   tree args[2];
   10479         1062 :   gcc_assert ((unsigned) nargs <= ARRAY_SIZE (args));
   10480              : 
   10481         1062 :   conv_ieee_function_args (se, expr, args, nargs);
   10482         1062 :   se->expr = build_call_expr_loc_array (input_location,
   10483              :                                         builtin_decl_explicit (code),
   10484              :                                         nargs, args);
   10485         2388 :   STRIP_TYPE_NOPS (se->expr);
   10486         1062 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), se->expr);
   10487         1062 : }
   10488              : 
   10489              : 
   10490              : /* Generate code for intrinsics IEEE_SIGNBIT.  */
   10491              : 
   10492              : static void
   10493          624 : conv_intrinsic_ieee_signbit (gfc_se * se, gfc_expr * expr)
   10494              : {
   10495          624 :   tree arg, signbit;
   10496              : 
   10497          624 :   conv_ieee_function_args (se, expr, &arg, 1);
   10498          624 :   signbit = build_call_expr_loc (input_location,
   10499              :                                  builtin_decl_explicit (BUILT_IN_SIGNBIT),
   10500              :                                  1, arg);
   10501          624 :   signbit = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
   10502              :                              signbit, integer_zero_node);
   10503          624 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), signbit);
   10504          624 : }
   10505              : 
   10506              : 
   10507              : /* Generate code for IEEE_IS_NORMAL intrinsic:
   10508              :      IEEE_IS_NORMAL(x) --> (__builtin_isnormal(x) || x == 0)  */
   10509              : 
   10510              : static void
   10511          312 : conv_intrinsic_ieee_is_normal (gfc_se * se, gfc_expr * expr)
   10512              : {
   10513          312 :   tree arg, isnormal, iszero;
   10514              : 
   10515              :   /* Convert arg, evaluate it only once.  */
   10516          312 :   conv_ieee_function_args (se, expr, &arg, 1);
   10517          312 :   arg = gfc_evaluate_now (arg, &se->pre);
   10518              : 
   10519          312 :   isnormal = build_call_expr_loc (input_location,
   10520              :                                   builtin_decl_explicit (BUILT_IN_ISNORMAL),
   10521              :                                   1, arg);
   10522          312 :   iszero = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, arg,
   10523          312 :                             build_real_from_int_cst (TREE_TYPE (arg),
   10524          312 :                                                      integer_zero_node));
   10525          312 :   se->expr = fold_build2_loc (input_location, TRUTH_OR_EXPR,
   10526              :                               logical_type_node, isnormal, iszero);
   10527          312 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), se->expr);
   10528          312 : }
   10529              : 
   10530              : 
   10531              : /* Generate code for IEEE_IS_NEGATIVE intrinsic:
   10532              :      IEEE_IS_NEGATIVE(x) --> (__builtin_signbit(x) && !__builtin_isnan(x))  */
   10533              : 
   10534              : static void
   10535          312 : conv_intrinsic_ieee_is_negative (gfc_se * se, gfc_expr * expr)
   10536              : {
   10537          312 :   tree arg, signbit, isnan;
   10538              : 
   10539              :   /* Convert arg, evaluate it only once.  */
   10540          312 :   conv_ieee_function_args (se, expr, &arg, 1);
   10541          312 :   arg = gfc_evaluate_now (arg, &se->pre);
   10542              : 
   10543          312 :   isnan = build_call_expr_loc (input_location,
   10544              :                                builtin_decl_explicit (BUILT_IN_ISNAN),
   10545              :                                1, arg);
   10546          936 :   STRIP_TYPE_NOPS (isnan);
   10547              : 
   10548          312 :   signbit = build_call_expr_loc (input_location,
   10549              :                                  builtin_decl_explicit (BUILT_IN_SIGNBIT),
   10550              :                                  1, arg);
   10551          312 :   signbit = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
   10552              :                              signbit, integer_zero_node);
   10553              : 
   10554          312 :   se->expr = fold_build2_loc (input_location, TRUTH_AND_EXPR,
   10555              :                               logical_type_node, signbit,
   10556              :                               fold_build1_loc (input_location, TRUTH_NOT_EXPR,
   10557          312 :                                                TREE_TYPE(isnan), isnan));
   10558              : 
   10559          312 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), se->expr);
   10560          312 : }
   10561              : 
   10562              : 
   10563              : /* Generate code for IEEE_LOGB and IEEE_RINT.  */
   10564              : 
   10565              : static void
   10566          240 : conv_intrinsic_ieee_logb_rint (gfc_se * se, gfc_expr * expr,
   10567              :                                enum built_in_function code)
   10568              : {
   10569          240 :   tree arg, decl, call, fpstate;
   10570          240 :   int argprec;
   10571              : 
   10572          240 :   conv_ieee_function_args (se, expr, &arg, 1);
   10573          240 :   argprec = TYPE_PRECISION (TREE_TYPE (arg));
   10574          240 :   decl = builtin_decl_for_precision (code, argprec);
   10575              : 
   10576              :   /* Save floating-point state.  */
   10577          240 :   fpstate = gfc_save_fp_state (&se->pre);
   10578              : 
   10579              :   /* Make the function call.  */
   10580          240 :   call = build_call_expr_loc (input_location, decl, 1, arg);
   10581          240 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), call);
   10582              : 
   10583              :   /* Restore floating-point state.  */
   10584          240 :   gfc_restore_fp_state (&se->post, fpstate);
   10585          240 : }
   10586              : 
   10587              : 
   10588              : /* Generate code for IEEE_REM.  */
   10589              : 
   10590              : static void
   10591           84 : conv_intrinsic_ieee_rem (gfc_se * se, gfc_expr * expr)
   10592              : {
   10593           84 :   tree args[2], decl, call, fpstate;
   10594           84 :   int argprec;
   10595              : 
   10596           84 :   conv_ieee_function_args (se, expr, args, 2);
   10597              : 
   10598              :   /* If arguments have unequal size, convert them to the larger.  */
   10599           84 :   if (TYPE_PRECISION (TREE_TYPE (args[0]))
   10600           84 :       > TYPE_PRECISION (TREE_TYPE (args[1])))
   10601            6 :     args[1] = fold_convert (TREE_TYPE (args[0]), args[1]);
   10602           78 :   else if (TYPE_PRECISION (TREE_TYPE (args[1]))
   10603           78 :            > TYPE_PRECISION (TREE_TYPE (args[0])))
   10604           24 :     args[0] = fold_convert (TREE_TYPE (args[1]), args[0]);
   10605              : 
   10606           84 :   argprec = TYPE_PRECISION (TREE_TYPE (args[0]));
   10607           84 :   decl = builtin_decl_for_precision (BUILT_IN_REMAINDER, argprec);
   10608              : 
   10609              :   /* Save floating-point state.  */
   10610           84 :   fpstate = gfc_save_fp_state (&se->pre);
   10611              : 
   10612              :   /* Make the function call.  */
   10613           84 :   call = build_call_expr_loc_array (input_location, decl, 2, args);
   10614           84 :   se->expr = fold_convert (TREE_TYPE (args[0]), call);
   10615              : 
   10616              :   /* Restore floating-point state.  */
   10617           84 :   gfc_restore_fp_state (&se->post, fpstate);
   10618           84 : }
   10619              : 
   10620              : 
   10621              : /* Generate code for IEEE_NEXT_AFTER.  */
   10622              : 
   10623              : static void
   10624          180 : conv_intrinsic_ieee_next_after (gfc_se * se, gfc_expr * expr)
   10625              : {
   10626          180 :   tree args[2], decl, call, fpstate;
   10627          180 :   int argprec;
   10628              : 
   10629          180 :   conv_ieee_function_args (se, expr, args, 2);
   10630              : 
   10631              :   /* Result has the characteristics of first argument.  */
   10632          180 :   args[1] = fold_convert (TREE_TYPE (args[0]), args[1]);
   10633          180 :   argprec = TYPE_PRECISION (TREE_TYPE (args[0]));
   10634          180 :   decl = builtin_decl_for_precision (BUILT_IN_NEXTAFTER, argprec);
   10635              : 
   10636              :   /* Save floating-point state.  */
   10637          180 :   fpstate = gfc_save_fp_state (&se->pre);
   10638              : 
   10639              :   /* Make the function call.  */
   10640          180 :   call = build_call_expr_loc_array (input_location, decl, 2, args);
   10641          180 :   se->expr = fold_convert (TREE_TYPE (args[0]), call);
   10642              : 
   10643              :   /* Restore floating-point state.  */
   10644          180 :   gfc_restore_fp_state (&se->post, fpstate);
   10645          180 : }
   10646              : 
   10647              : 
   10648              : /* Generate code for IEEE_SCALB.  */
   10649              : 
   10650              : static void
   10651          228 : conv_intrinsic_ieee_scalb (gfc_se * se, gfc_expr * expr)
   10652              : {
   10653          228 :   tree args[2], decl, call, huge, type;
   10654          228 :   int argprec, n;
   10655              : 
   10656          228 :   conv_ieee_function_args (se, expr, args, 2);
   10657              : 
   10658              :   /* Result has the characteristics of first argument.  */
   10659          228 :   argprec = TYPE_PRECISION (TREE_TYPE (args[0]));
   10660          228 :   decl = builtin_decl_for_precision (BUILT_IN_SCALBN, argprec);
   10661              : 
   10662          228 :   if (TYPE_PRECISION (TREE_TYPE (args[1])) > TYPE_PRECISION (integer_type_node))
   10663              :     {
   10664              :       /* We need to fold the integer into the range of a C int.  */
   10665           18 :       args[1] = gfc_evaluate_now (args[1], &se->pre);
   10666           18 :       type = TREE_TYPE (args[1]);
   10667              : 
   10668           18 :       n = gfc_validate_kind (BT_INTEGER, gfc_c_int_kind, false);
   10669           18 :       huge = gfc_conv_mpz_to_tree (gfc_integer_kinds[n].huge,
   10670              :                                    gfc_c_int_kind);
   10671           18 :       huge = fold_convert (type, huge);
   10672           18 :       args[1] = fold_build2_loc (input_location, MIN_EXPR, type, args[1],
   10673              :                                  huge);
   10674           18 :       args[1] = fold_build2_loc (input_location, MAX_EXPR, type, args[1],
   10675              :                                  fold_build1_loc (input_location, NEGATE_EXPR,
   10676              :                                                   type, huge));
   10677              :     }
   10678              : 
   10679          228 :   args[1] = fold_convert (integer_type_node, args[1]);
   10680              : 
   10681              :   /* Make the function call.  */
   10682          228 :   call = build_call_expr_loc_array (input_location, decl, 2, args);
   10683          228 :   se->expr = fold_convert (TREE_TYPE (args[0]), call);
   10684          228 : }
   10685              : 
   10686              : 
   10687              : /* Generate code for IEEE_COPY_SIGN.  */
   10688              : 
   10689              : static void
   10690          576 : conv_intrinsic_ieee_copy_sign (gfc_se * se, gfc_expr * expr)
   10691              : {
   10692          576 :   tree args[2], decl, sign;
   10693          576 :   int argprec;
   10694              : 
   10695          576 :   conv_ieee_function_args (se, expr, args, 2);
   10696              : 
   10697              :   /* Get the sign of the second argument.  */
   10698          576 :   sign = build_call_expr_loc (input_location,
   10699              :                               builtin_decl_explicit (BUILT_IN_SIGNBIT),
   10700              :                               1, args[1]);
   10701          576 :   sign = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
   10702              :                           sign, integer_zero_node);
   10703              : 
   10704              :   /* Create a value of one, with the right sign.  */
   10705          576 :   sign = fold_build3_loc (input_location, COND_EXPR, integer_type_node,
   10706              :                           sign,
   10707              :                           fold_build1_loc (input_location, NEGATE_EXPR,
   10708              :                                            integer_type_node,
   10709              :                                            integer_one_node),
   10710              :                           integer_one_node);
   10711          576 :   args[1] = fold_convert (TREE_TYPE (args[0]), sign);
   10712              : 
   10713          576 :   argprec = TYPE_PRECISION (TREE_TYPE (args[0]));
   10714          576 :   decl = builtin_decl_for_precision (BUILT_IN_COPYSIGN, argprec);
   10715              : 
   10716          576 :   se->expr = build_call_expr_loc_array (input_location, decl, 2, args);
   10717          576 : }
   10718              : 
   10719              : 
   10720              : /* Generate code for IEEE_CLASS.  */
   10721              : 
   10722              : static void
   10723          648 : conv_intrinsic_ieee_class (gfc_se *se, gfc_expr *expr)
   10724              : {
   10725          648 :   tree arg, c, t1, t2, t3, t4;
   10726              : 
   10727              :   /* Convert arg, evaluate it only once.  */
   10728          648 :   conv_ieee_function_args (se, expr, &arg, 1);
   10729          648 :   arg = gfc_evaluate_now (arg, &se->pre);
   10730              : 
   10731          648 :   c = build_call_expr_loc (input_location,
   10732              :                            builtin_decl_explicit (BUILT_IN_FPCLASSIFY), 6,
   10733              :                            build_int_cst (integer_type_node, IEEE_QUIET_NAN),
   10734              :                            build_int_cst (integer_type_node,
   10735              :                                           IEEE_POSITIVE_INF),
   10736              :                            build_int_cst (integer_type_node,
   10737              :                                           IEEE_POSITIVE_NORMAL),
   10738              :                            build_int_cst (integer_type_node,
   10739              :                                           IEEE_POSITIVE_DENORMAL),
   10740              :                            build_int_cst (integer_type_node,
   10741              :                                           IEEE_POSITIVE_ZERO),
   10742              :                            arg);
   10743          648 :   c = gfc_evaluate_now (c, &se->pre);
   10744          648 :   t1 = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
   10745              :                         c, build_int_cst (integer_type_node,
   10746              :                                           IEEE_QUIET_NAN));
   10747          648 :   t2 = build_call_expr_loc (input_location,
   10748              :                             builtin_decl_explicit (BUILT_IN_ISSIGNALING), 1,
   10749              :                             arg);
   10750          648 :   t2 = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
   10751          648 :                         t2, build_zero_cst (TREE_TYPE (t2)));
   10752          648 :   t1 = fold_build2_loc (input_location, TRUTH_AND_EXPR,
   10753              :                         logical_type_node, t1, t2);
   10754          648 :   t3 = fold_build2_loc (input_location, GE_EXPR, logical_type_node,
   10755              :                         c, build_int_cst (integer_type_node,
   10756              :                                           IEEE_POSITIVE_ZERO));
   10757          648 :   t4 = build_call_expr_loc (input_location,
   10758              :                             builtin_decl_explicit (BUILT_IN_SIGNBIT), 1,
   10759              :                             arg);
   10760          648 :   t4 = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
   10761          648 :                         t4, build_zero_cst (TREE_TYPE (t4)));
   10762          648 :   t3 = fold_build2_loc (input_location, TRUTH_AND_EXPR,
   10763              :                         logical_type_node, t3, t4);
   10764          648 :   int s = IEEE_NEGATIVE_ZERO + IEEE_POSITIVE_ZERO;
   10765          648 :   gcc_assert (IEEE_NEGATIVE_INF == s - IEEE_POSITIVE_INF);
   10766          648 :   gcc_assert (IEEE_NEGATIVE_NORMAL == s - IEEE_POSITIVE_NORMAL);
   10767          648 :   gcc_assert (IEEE_NEGATIVE_DENORMAL == s - IEEE_POSITIVE_DENORMAL);
   10768          648 :   gcc_assert (IEEE_NEGATIVE_SUBNORMAL == s - IEEE_POSITIVE_SUBNORMAL);
   10769          648 :   gcc_assert (IEEE_NEGATIVE_ZERO == s - IEEE_POSITIVE_ZERO);
   10770          648 :   t4 = fold_build2_loc (input_location, MINUS_EXPR, TREE_TYPE (c),
   10771          648 :                         build_int_cst (TREE_TYPE (c), s), c);
   10772          648 :   t3 = fold_build3_loc (input_location, COND_EXPR, TREE_TYPE (c),
   10773              :                         t3, t4, c);
   10774          648 :   t1 = fold_build3_loc (input_location, COND_EXPR, TREE_TYPE (c), t1,
   10775          648 :                         build_int_cst (TREE_TYPE (c), IEEE_SIGNALING_NAN),
   10776              :                         t3);
   10777          648 :   tree type = gfc_typenode_for_spec (&expr->ts);
   10778              :   /* Perform a quick sanity check that the return type is
   10779              :      IEEE_CLASS_TYPE derived type defined in
   10780              :      libgfortran/ieee/ieee_arithmetic.F90
   10781              :      Primarily check that it is a derived type with a single
   10782              :      member in it.  */
   10783          648 :   gcc_assert (TREE_CODE (type) == RECORD_TYPE);
   10784          648 :   tree field = NULL_TREE;
   10785         1296 :   for (tree f = TYPE_FIELDS (type); f != NULL_TREE; f = DECL_CHAIN (f))
   10786          648 :     if (TREE_CODE (f) == FIELD_DECL)
   10787              :       {
   10788          648 :         gcc_assert (field == NULL_TREE);
   10789              :         field = f;
   10790              :       }
   10791          648 :   gcc_assert (field);
   10792          648 :   t1 = fold_convert (TREE_TYPE (field), t1);
   10793          648 :   se->expr = build_constructor_single (type, field, t1);
   10794          648 : }
   10795              : 
   10796              : 
   10797              : /* Generate code for IEEE_VALUE.  */
   10798              : 
   10799              : static void
   10800         1111 : conv_intrinsic_ieee_value (gfc_se *se, gfc_expr *expr)
   10801              : {
   10802         1111 :   tree args[2], arg, ret, tmp;
   10803         1111 :   stmtblock_t body;
   10804              : 
   10805              :   /* Convert args, evaluate the second one only once.  */
   10806         1111 :   conv_ieee_function_args (se, expr, args, 2);
   10807         1111 :   arg = gfc_evaluate_now (args[1], &se->pre);
   10808              : 
   10809         1111 :   tree type = TREE_TYPE (arg);
   10810              :   /* Perform a quick sanity check that the second argument's type is
   10811              :      IEEE_CLASS_TYPE derived type defined in
   10812              :      libgfortran/ieee/ieee_arithmetic.F90
   10813              :      Primarily check that it is a derived type with a single
   10814              :      member in it.  */
   10815         1111 :   gcc_assert (TREE_CODE (type) == RECORD_TYPE);
   10816         1111 :   tree field = NULL_TREE;
   10817         2222 :   for (tree f = TYPE_FIELDS (type); f != NULL_TREE; f = DECL_CHAIN (f))
   10818         1111 :     if (TREE_CODE (f) == FIELD_DECL)
   10819              :       {
   10820         1111 :         gcc_assert (field == NULL_TREE);
   10821              :         field = f;
   10822              :       }
   10823         1111 :   gcc_assert (field);
   10824         1111 :   arg = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (field),
   10825              :                          arg, field, NULL_TREE);
   10826         1111 :   arg = gfc_evaluate_now (arg, &se->pre);
   10827              : 
   10828         1111 :   type = gfc_typenode_for_spec (&expr->ts);
   10829         1111 :   gcc_assert (SCALAR_FLOAT_TYPE_P (type));
   10830         1111 :   ret = gfc_create_var (type, NULL);
   10831              : 
   10832         1111 :   gfc_init_block (&body);
   10833              : 
   10834         1111 :   tree end_label = gfc_build_label_decl (NULL_TREE);
   10835        13332 :   for (int c = IEEE_SIGNALING_NAN; c <= IEEE_POSITIVE_INF; ++c)
   10836              :     {
   10837        11110 :       tree label = gfc_build_label_decl (NULL_TREE);
   10838        11110 :       tree low = build_int_cst (TREE_TYPE (arg), c);
   10839        11110 :       tmp = build_case_label (low, low, label);
   10840        11110 :       gfc_add_expr_to_block (&body, tmp);
   10841              : 
   10842        11110 :       REAL_VALUE_TYPE real;
   10843        11110 :       int k;
   10844        11110 :       switch (c)
   10845              :         {
   10846         1111 :         case IEEE_SIGNALING_NAN:
   10847         1111 :           real_nan (&real, "", 0, TYPE_MODE (type));
   10848         1111 :           break;
   10849         1111 :         case IEEE_QUIET_NAN:
   10850         1111 :           real_nan (&real, "", 1, TYPE_MODE (type));
   10851         1111 :           break;
   10852         1111 :         case IEEE_NEGATIVE_INF:
   10853         1111 :           real_inf (&real);
   10854         1111 :           real = real_value_negate (&real);
   10855         1111 :           break;
   10856         1111 :         case IEEE_NEGATIVE_NORMAL:
   10857         1111 :           real_from_integer (&real, TYPE_MODE (type), -42, SIGNED);
   10858         1111 :           break;
   10859         1111 :         case IEEE_NEGATIVE_DENORMAL:
   10860         1111 :           k = gfc_validate_kind (BT_REAL, expr->ts.kind, false);
   10861         1111 :           real_from_mpfr (&real, gfc_real_kinds[k].tiny,
   10862              :                           type, GFC_RND_MODE);
   10863         1111 :           real_arithmetic (&real, RDIV_EXPR, &real, &dconst2);
   10864         1111 :           real = real_value_negate (&real);
   10865         1111 :           break;
   10866         1111 :         case IEEE_NEGATIVE_ZERO:
   10867         1111 :           real_from_integer (&real, TYPE_MODE (type), 0, SIGNED);
   10868         1111 :           real = real_value_negate (&real);
   10869         1111 :           break;
   10870         1111 :         case IEEE_POSITIVE_ZERO:
   10871              :           /* Make this also the default: label.  The other possibility
   10872              :              would be to add a separate default: label followed by
   10873              :              __builtin_unreachable ().  */
   10874         1111 :           label = gfc_build_label_decl (NULL_TREE);
   10875         1111 :           tmp = build_case_label (NULL_TREE, NULL_TREE, label);
   10876         1111 :           gfc_add_expr_to_block (&body, tmp);
   10877         1111 :           real_from_integer (&real, TYPE_MODE (type), 0, SIGNED);
   10878         1111 :           break;
   10879         1111 :         case IEEE_POSITIVE_DENORMAL:
   10880         1111 :           k = gfc_validate_kind (BT_REAL, expr->ts.kind, false);
   10881         1111 :           real_from_mpfr (&real, gfc_real_kinds[k].tiny,
   10882              :                           type, GFC_RND_MODE);
   10883         1111 :           real_arithmetic (&real, RDIV_EXPR, &real, &dconst2);
   10884         1111 :           break;
   10885         1111 :         case IEEE_POSITIVE_NORMAL:
   10886         1111 :           real_from_integer (&real, TYPE_MODE (type), 42, SIGNED);
   10887         1111 :           break;
   10888         1111 :         case IEEE_POSITIVE_INF:
   10889         1111 :           real_inf (&real);
   10890         1111 :           break;
   10891              :         default:
   10892              :           gcc_unreachable ();
   10893              :         }
   10894              : 
   10895        11110 :       tree val = build_real (type, real);
   10896        11110 :       gfc_add_modify (&body, ret, val);
   10897              : 
   10898        11110 :       tmp = build1_v (GOTO_EXPR, end_label);
   10899        11110 :       gfc_add_expr_to_block (&body, tmp);
   10900              :     }
   10901              : 
   10902         1111 :   tmp = gfc_finish_block (&body);
   10903         1111 :   tmp = fold_build2_loc (input_location, SWITCH_EXPR, NULL_TREE, arg, tmp);
   10904         1111 :   gfc_add_expr_to_block (&se->pre, tmp);
   10905              : 
   10906         1111 :   tmp = build1_v (LABEL_EXPR, end_label);
   10907         1111 :   gfc_add_expr_to_block (&se->pre, tmp);
   10908              : 
   10909         1111 :   se->expr = ret;
   10910         1111 : }
   10911              : 
   10912              : 
   10913              : /* Generate code for IEEE_FMA.  */
   10914              : 
   10915              : static void
   10916          120 : conv_intrinsic_ieee_fma (gfc_se * se, gfc_expr * expr)
   10917              : {
   10918          120 :   tree args[3], decl, call;
   10919          120 :   int argprec;
   10920              : 
   10921          120 :   conv_ieee_function_args (se, expr, args, 3);
   10922              : 
   10923              :   /* All three arguments should have the same type.  */
   10924          120 :   gcc_assert (TYPE_PRECISION (TREE_TYPE (args[0])) == TYPE_PRECISION (TREE_TYPE (args[1])));
   10925          120 :   gcc_assert (TYPE_PRECISION (TREE_TYPE (args[0])) == TYPE_PRECISION (TREE_TYPE (args[2])));
   10926              : 
   10927              :   /* Call the type-generic FMA built-in.  */
   10928          120 :   argprec = TYPE_PRECISION (TREE_TYPE (args[0]));
   10929          120 :   decl = builtin_decl_for_precision (BUILT_IN_FMA, argprec);
   10930          120 :   call = build_call_expr_loc_array (input_location, decl, 3, args);
   10931              : 
   10932              :   /* Convert to the final type.  */
   10933          120 :   se->expr = fold_convert (TREE_TYPE (args[0]), call);
   10934          120 : }
   10935              : 
   10936              : 
   10937              : /* Generate code for IEEE_{MIN,MAX}_NUM{,_MAG}.  */
   10938              : 
   10939              : static void
   10940         3072 : conv_intrinsic_ieee_minmax (gfc_se * se, gfc_expr * expr, int max,
   10941              :                             const char *name)
   10942              : {
   10943         3072 :   tree args[2], func;
   10944         3072 :   built_in_function fn;
   10945              : 
   10946         3072 :   conv_ieee_function_args (se, expr, args, 2);
   10947         3072 :   gcc_assert (TYPE_PRECISION (TREE_TYPE (args[0])) == TYPE_PRECISION (TREE_TYPE (args[1])));
   10948         3072 :   args[0] = gfc_evaluate_now (args[0], &se->pre);
   10949         3072 :   args[1] = gfc_evaluate_now (args[1], &se->pre);
   10950              : 
   10951         3072 :   if (startswith (name, "mag"))
   10952              :     {
   10953              :       /* IEEE_MIN_NUM_MAG and IEEE_MAX_NUM_MAG translate to C functions
   10954              :          fminmag() and fmaxmag(), which do not exist as built-ins.
   10955              : 
   10956              :          Following glibc, we emit this:
   10957              : 
   10958              :            fminmag (x, y) {
   10959              :              ax = ABS (x);
   10960              :              ay = ABS (y);
   10961              :              if (isless (ax, ay))
   10962              :                return x;
   10963              :              else if (isgreater (ax, ay))
   10964              :                return y;
   10965              :              else if (ax == ay)
   10966              :                return x < y ? x : y;
   10967              :              else if (issignaling (x) || issignaling (y))
   10968              :                return x + y;
   10969              :              else
   10970              :                return isnan (y) ? x : y;
   10971              :            }
   10972              : 
   10973              :            fmaxmag (x, y) {
   10974              :              ax = ABS (x);
   10975              :              ay = ABS (y);
   10976              :              if (isgreater (ax, ay))
   10977              :                return x;
   10978              :              else if (isless (ax, ay))
   10979              :                return y;
   10980              :              else if (ax == ay)
   10981              :                return x > y ? x : y;
   10982              :              else if (issignaling (x) || issignaling (y))
   10983              :                return x + y;
   10984              :              else
   10985              :                return isnan (y) ? x : y;
   10986              :            }
   10987              : 
   10988              :          */
   10989              : 
   10990         1536 :       tree abs0, abs1, sig0, sig1;
   10991         1536 :       tree cond1, cond2, cond3, cond4, cond5;
   10992         1536 :       tree res;
   10993         1536 :       tree type = TREE_TYPE (args[0]);
   10994              : 
   10995         1536 :       func = gfc_builtin_decl_for_float_kind (BUILT_IN_FABS, expr->ts.kind);
   10996         1536 :       abs0 = build_call_expr_loc (input_location, func, 1, args[0]);
   10997         1536 :       abs1 = build_call_expr_loc (input_location, func, 1, args[1]);
   10998         1536 :       abs0 = gfc_evaluate_now (abs0, &se->pre);
   10999         1536 :       abs1 = gfc_evaluate_now (abs1, &se->pre);
   11000              : 
   11001         1536 :       cond5 = build_call_expr_loc (input_location,
   11002              :                                    builtin_decl_explicit (BUILT_IN_ISNAN),
   11003              :                                    1, args[1]);
   11004         1536 :       res = fold_build3_loc (input_location, COND_EXPR, type, cond5,
   11005              :                              args[0], args[1]);
   11006              : 
   11007         1536 :       sig0 = build_call_expr_loc (input_location,
   11008              :                                   builtin_decl_explicit (BUILT_IN_ISSIGNALING),
   11009              :                                   1, args[0]);
   11010         1536 :       sig1 = build_call_expr_loc (input_location,
   11011              :                                   builtin_decl_explicit (BUILT_IN_ISSIGNALING),
   11012              :                                   1, args[1]);
   11013         1536 :       cond4 = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
   11014              :                                logical_type_node, sig0, sig1);
   11015         1536 :       res = fold_build3_loc (input_location, COND_EXPR, type, cond4,
   11016              :                              fold_build2_loc (input_location, PLUS_EXPR,
   11017              :                                               type, args[0], args[1]),
   11018              :                              res);
   11019              : 
   11020         1536 :       cond3 = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
   11021              :                                abs0, abs1);
   11022         2304 :       res = fold_build3_loc (input_location, COND_EXPR, type, cond3,
   11023              :                              fold_build2_loc (input_location,
   11024              :                                               max ? MAX_EXPR : MIN_EXPR,
   11025              :                                               type, args[0], args[1]),
   11026              :                              res);
   11027              : 
   11028         2304 :       func = builtin_decl_explicit (max ? BUILT_IN_ISLESS : BUILT_IN_ISGREATER);
   11029         1536 :       cond2 = build_call_expr_loc (input_location, func, 2, abs0, abs1);
   11030         1536 :       res = fold_build3_loc (input_location, COND_EXPR, type, cond2,
   11031              :                              args[1], res);
   11032              : 
   11033         2304 :       func = builtin_decl_explicit (max ? BUILT_IN_ISGREATER : BUILT_IN_ISLESS);
   11034         1536 :       cond1 = build_call_expr_loc (input_location, func, 2, abs0, abs1);
   11035         1536 :       res = fold_build3_loc (input_location, COND_EXPR, type, cond1,
   11036              :                              args[0], res);
   11037              : 
   11038         1536 :       se->expr = res;
   11039              :     }
   11040              :   else
   11041              :     {
   11042              :       /* IEEE_MIN_NUM and IEEE_MAX_NUM translate to fmin() and fmax().  */
   11043         1536 :       fn = max ? BUILT_IN_FMAX : BUILT_IN_FMIN;
   11044         1536 :       func = gfc_builtin_decl_for_float_kind (fn, expr->ts.kind);
   11045         1536 :       se->expr = build_call_expr_loc_array (input_location, func, 2, args);
   11046              :     }
   11047         3072 : }
   11048              : 
   11049              : 
   11050              : /* Generate code for comparison functions IEEE_QUIET_* and
   11051              :    IEEE_SIGNALING_*.  */
   11052              : 
   11053              : static void
   11054         3888 : conv_intrinsic_ieee_comparison (gfc_se * se, gfc_expr * expr, int signaling,
   11055              :                                 const char *name)
   11056              : {
   11057         3888 :   tree args[2];
   11058         3888 :   tree arg1, arg2, res;
   11059              : 
   11060              :   /* Evaluate arguments only once.  */
   11061         3888 :   conv_ieee_function_args (se, expr, args, 2);
   11062         3888 :   arg1 = gfc_evaluate_now (args[0], &se->pre);
   11063         3888 :   arg2 = gfc_evaluate_now (args[1], &se->pre);
   11064              : 
   11065         3888 :   if (startswith (name, "eq"))
   11066              :     {
   11067          648 :       if (signaling)
   11068          324 :         res = build_call_expr_loc (input_location,
   11069              :                                    builtin_decl_explicit (BUILT_IN_ISEQSIG),
   11070              :                                    2, arg1, arg2);
   11071              :       else
   11072          324 :         res = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
   11073              :                                arg1, arg2);
   11074              :     }
   11075         3240 :   else if (startswith (name, "ne"))
   11076              :     {
   11077          648 :       if (signaling)
   11078              :         {
   11079          324 :           res = build_call_expr_loc (input_location,
   11080              :                                      builtin_decl_explicit (BUILT_IN_ISEQSIG),
   11081              :                                      2, arg1, arg2);
   11082          324 :           res = fold_build1_loc (input_location, TRUTH_NOT_EXPR,
   11083              :                                  logical_type_node, res);
   11084              :         }
   11085              :       else
   11086          324 :         res = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
   11087              :                                arg1, arg2);
   11088              :     }
   11089         2592 :   else if (startswith (name, "ge"))
   11090              :     {
   11091          648 :       if (signaling)
   11092          324 :         res = fold_build2_loc (input_location, GE_EXPR, logical_type_node,
   11093              :                                arg1, arg2);
   11094              :       else
   11095          324 :         res = build_call_expr_loc (input_location,
   11096              :                                    builtin_decl_explicit (BUILT_IN_ISGREATEREQUAL),
   11097              :                                    2, arg1, arg2);
   11098              :     }
   11099         1944 :   else if (startswith (name, "gt"))
   11100              :     {
   11101          648 :       if (signaling)
   11102          324 :         res = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
   11103              :                                arg1, arg2);
   11104              :       else
   11105          324 :         res = build_call_expr_loc (input_location,
   11106              :                                    builtin_decl_explicit (BUILT_IN_ISGREATER),
   11107              :                                    2, arg1, arg2);
   11108              :     }
   11109         1296 :   else if (startswith (name, "le"))
   11110              :     {
   11111          648 :       if (signaling)
   11112          324 :         res = fold_build2_loc (input_location, LE_EXPR, logical_type_node,
   11113              :                                arg1, arg2);
   11114              :       else
   11115          324 :         res = build_call_expr_loc (input_location,
   11116              :                                    builtin_decl_explicit (BUILT_IN_ISLESSEQUAL),
   11117              :                                    2, arg1, arg2);
   11118              :     }
   11119          648 :   else if (startswith (name, "lt"))
   11120              :     {
   11121          648 :       if (signaling)
   11122          324 :         res = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
   11123              :                                arg1, arg2);
   11124              :       else
   11125          324 :         res = build_call_expr_loc (input_location,
   11126              :                                    builtin_decl_explicit (BUILT_IN_ISLESS),
   11127              :                                    2, arg1, arg2);
   11128              :     }
   11129              :   else
   11130            0 :     gcc_unreachable ();
   11131              : 
   11132         3888 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), res);
   11133         3888 : }
   11134              : 
   11135              : 
   11136              : /* Generate code for an intrinsic function from the IEEE_ARITHMETIC
   11137              :    module.  */
   11138              : 
   11139              : bool
   11140        13939 : gfc_conv_ieee_arithmetic_function (gfc_se * se, gfc_expr * expr)
   11141              : {
   11142        13939 :   const char *name = expr->value.function.name;
   11143              : 
   11144        13939 :   if (startswith (name, "_gfortran_ieee_is_nan"))
   11145          522 :     conv_intrinsic_ieee_builtin (se, expr, BUILT_IN_ISNAN, 1);
   11146        13417 :   else if (startswith (name, "_gfortran_ieee_is_finite"))
   11147          372 :     conv_intrinsic_ieee_builtin (se, expr, BUILT_IN_ISFINITE, 1);
   11148        13045 :   else if (startswith (name, "_gfortran_ieee_unordered"))
   11149          168 :     conv_intrinsic_ieee_builtin (se, expr, BUILT_IN_ISUNORDERED, 2);
   11150        12877 :   else if (startswith (name, "_gfortran_ieee_signbit"))
   11151          624 :     conv_intrinsic_ieee_signbit (se, expr);
   11152        12253 :   else if (startswith (name, "_gfortran_ieee_is_normal"))
   11153          312 :     conv_intrinsic_ieee_is_normal (se, expr);
   11154        11941 :   else if (startswith (name, "_gfortran_ieee_is_negative"))
   11155          312 :     conv_intrinsic_ieee_is_negative (se, expr);
   11156        11629 :   else if (startswith (name, "_gfortran_ieee_copy_sign"))
   11157          576 :     conv_intrinsic_ieee_copy_sign (se, expr);
   11158        11053 :   else if (startswith (name, "_gfortran_ieee_scalb"))
   11159          228 :     conv_intrinsic_ieee_scalb (se, expr);
   11160        10825 :   else if (startswith (name, "_gfortran_ieee_next_after"))
   11161          180 :     conv_intrinsic_ieee_next_after (se, expr);
   11162        10645 :   else if (startswith (name, "_gfortran_ieee_rem"))
   11163           84 :     conv_intrinsic_ieee_rem (se, expr);
   11164        10561 :   else if (startswith (name, "_gfortran_ieee_logb"))
   11165          144 :     conv_intrinsic_ieee_logb_rint (se, expr, BUILT_IN_LOGB);
   11166        10417 :   else if (startswith (name, "_gfortran_ieee_rint"))
   11167           96 :     conv_intrinsic_ieee_logb_rint (se, expr, BUILT_IN_RINT);
   11168        10321 :   else if (startswith (name, "ieee_class_") && ISDIGIT (name[11]))
   11169          648 :     conv_intrinsic_ieee_class (se, expr);
   11170         9673 :   else if (startswith (name, "ieee_value_") && ISDIGIT (name[11]))
   11171         1111 :     conv_intrinsic_ieee_value (se, expr);
   11172         8562 :   else if (startswith (name, "_gfortran_ieee_fma"))
   11173          120 :     conv_intrinsic_ieee_fma (se, expr);
   11174         8442 :   else if (startswith (name, "_gfortran_ieee_min_num_"))
   11175         1536 :     conv_intrinsic_ieee_minmax (se, expr, 0, name + 23);
   11176         6906 :   else if (startswith (name, "_gfortran_ieee_max_num_"))
   11177         1536 :     conv_intrinsic_ieee_minmax (se, expr, 1, name + 23);
   11178         5370 :   else if (startswith (name, "_gfortran_ieee_quiet_"))
   11179         1944 :     conv_intrinsic_ieee_comparison (se, expr, 0, name + 21);
   11180         3426 :   else if (startswith (name, "_gfortran_ieee_signaling_"))
   11181         1944 :     conv_intrinsic_ieee_comparison (se, expr, 1, name + 25);
   11182              :   else
   11183              :     /* It is not among the functions we translate directly.  We return
   11184              :        false, so a library function call is emitted.  */
   11185              :     return false;
   11186              : 
   11187              :   return true;
   11188              : }
   11189              : 
   11190              : 
   11191              : /* Generate a direct call to malloc() for the MALLOC intrinsic.  */
   11192              : 
   11193              : static void
   11194           16 : gfc_conv_intrinsic_malloc (gfc_se * se, gfc_expr * expr)
   11195              : {
   11196           16 :   tree arg, res, restype;
   11197              : 
   11198           16 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
   11199           16 :   arg = fold_convert (size_type_node, arg);
   11200           16 :   res = build_call_expr_loc (input_location,
   11201              :                              builtin_decl_explicit (BUILT_IN_MALLOC), 1, arg);
   11202           16 :   restype = gfc_typenode_for_spec (&expr->ts);
   11203           16 :   se->expr = fold_convert (restype, res);
   11204           16 : }
   11205              : 
   11206              : 
   11207              : /* Generate code for an intrinsic function.  Some map directly to library
   11208              :    calls, others get special handling.  In some cases the name of the function
   11209              :    used depends on the type specifiers.  */
   11210              : 
   11211              : void
   11212       269399 : gfc_conv_intrinsic_function (gfc_se * se, gfc_expr * expr)
   11213              : {
   11214       269399 :   const char *name;
   11215       269399 :   int lib, kind;
   11216       269399 :   tree fndecl;
   11217              : 
   11218       269399 :   name = &expr->value.function.name[2];
   11219              : 
   11220       269399 :   if (expr->rank > 0)
   11221              :     {
   11222        50610 :       lib = gfc_is_intrinsic_libcall (expr);
   11223        50610 :       if (lib != 0)
   11224              :         {
   11225        19242 :           if (lib == 1)
   11226        11792 :             se->ignore_optional = 1;
   11227              : 
   11228        19242 :           switch (expr->value.function.isym->id)
   11229              :             {
   11230         5879 :             case GFC_ISYM_EOSHIFT:
   11231         5879 :             case GFC_ISYM_PACK:
   11232         5879 :             case GFC_ISYM_RESHAPE:
   11233         5879 :             case GFC_ISYM_REDUCE:
   11234              :               /* For all of those the first argument specifies the type and the
   11235              :                  third is optional.  */
   11236         5879 :               conv_generic_with_optional_char_arg (se, expr, 1, 3);
   11237         5879 :               break;
   11238              : 
   11239         1116 :             case GFC_ISYM_FINDLOC:
   11240         1116 :               gfc_conv_intrinsic_findloc (se, expr);
   11241         1116 :               break;
   11242              : 
   11243         2935 :             case GFC_ISYM_MINLOC:
   11244         2935 :               gfc_conv_intrinsic_minmaxloc (se, expr, LT_EXPR);
   11245         2935 :               break;
   11246              : 
   11247         2439 :             case GFC_ISYM_MAXLOC:
   11248         2439 :               gfc_conv_intrinsic_minmaxloc (se, expr, GT_EXPR);
   11249         2439 :               break;
   11250              : 
   11251         6873 :             default:
   11252         6873 :               gfc_conv_intrinsic_funcall (se, expr);
   11253         6873 :               break;
   11254              :             }
   11255              : 
   11256              :           return;
   11257              :         }
   11258              :     }
   11259              : 
   11260       250157 :   switch (expr->value.function.isym->id)
   11261              :     {
   11262            0 :     case GFC_ISYM_NONE:
   11263            0 :       gcc_unreachable ();
   11264              : 
   11265          541 :     case GFC_ISYM_REPEAT:
   11266          541 :       gfc_conv_intrinsic_repeat (se, expr);
   11267          541 :       break;
   11268              : 
   11269          580 :     case GFC_ISYM_TRIM:
   11270          580 :       gfc_conv_intrinsic_trim (se, expr);
   11271          580 :       break;
   11272              : 
   11273           42 :     case GFC_ISYM_SC_KIND:
   11274           42 :       gfc_conv_intrinsic_sc_kind (se, expr);
   11275           42 :       break;
   11276              : 
   11277           45 :     case GFC_ISYM_SI_KIND:
   11278           45 :       gfc_conv_intrinsic_si_kind (se, expr);
   11279           45 :       break;
   11280              : 
   11281            6 :     case GFC_ISYM_SL_KIND:
   11282            6 :       gfc_conv_intrinsic_sl_kind (se, expr);
   11283            6 :       break;
   11284              : 
   11285           82 :     case GFC_ISYM_SR_KIND:
   11286           82 :       gfc_conv_intrinsic_sr_kind (se, expr);
   11287           82 :       break;
   11288              : 
   11289          228 :     case GFC_ISYM_EXPONENT:
   11290          228 :       gfc_conv_intrinsic_exponent (se, expr);
   11291          228 :       break;
   11292              : 
   11293          316 :     case GFC_ISYM_SCAN:
   11294          316 :       kind = expr->value.function.actual->expr->ts.kind;
   11295          316 :       if (kind == 1)
   11296          250 :        fndecl = gfor_fndecl_string_scan;
   11297           66 :       else if (kind == 4)
   11298           66 :        fndecl = gfor_fndecl_string_scan_char4;
   11299              :       else
   11300            0 :        gcc_unreachable ();
   11301              : 
   11302          316 :       gfc_conv_intrinsic_index_scan_verify (se, expr, fndecl);
   11303          316 :       break;
   11304              : 
   11305           94 :     case GFC_ISYM_VERIFY:
   11306           94 :       kind = expr->value.function.actual->expr->ts.kind;
   11307           94 :       if (kind == 1)
   11308           70 :        fndecl = gfor_fndecl_string_verify;
   11309           24 :       else if (kind == 4)
   11310           24 :        fndecl = gfor_fndecl_string_verify_char4;
   11311              :       else
   11312            0 :        gcc_unreachable ();
   11313              : 
   11314           94 :       gfc_conv_intrinsic_index_scan_verify (se, expr, fndecl);
   11315           94 :       break;
   11316              : 
   11317         7530 :     case GFC_ISYM_ALLOCATED:
   11318         7530 :       gfc_conv_allocated (se, expr);
   11319         7530 :       break;
   11320              : 
   11321         9743 :     case GFC_ISYM_ASSOCIATED:
   11322         9743 :       gfc_conv_associated(se, expr);
   11323         9743 :       break;
   11324              : 
   11325          409 :     case GFC_ISYM_SAME_TYPE_AS:
   11326          409 :       gfc_conv_same_type_as (se, expr);
   11327          409 :       break;
   11328              : 
   11329         8028 :     case GFC_ISYM_ABS:
   11330         8028 :       gfc_conv_intrinsic_abs (se, expr);
   11331         8028 :       break;
   11332              : 
   11333          345 :     case GFC_ISYM_ADJUSTL:
   11334          345 :       if (expr->ts.kind == 1)
   11335          291 :        fndecl = gfor_fndecl_adjustl;
   11336           54 :       else if (expr->ts.kind == 4)
   11337           54 :        fndecl = gfor_fndecl_adjustl_char4;
   11338              :       else
   11339            0 :        gcc_unreachable ();
   11340              : 
   11341          345 :       gfc_conv_intrinsic_adjust (se, expr, fndecl);
   11342          345 :       break;
   11343              : 
   11344          123 :     case GFC_ISYM_ADJUSTR:
   11345          123 :       if (expr->ts.kind == 1)
   11346           68 :        fndecl = gfor_fndecl_adjustr;
   11347           55 :       else if (expr->ts.kind == 4)
   11348           55 :        fndecl = gfor_fndecl_adjustr_char4;
   11349              :       else
   11350            0 :        gcc_unreachable ();
   11351              : 
   11352          123 :       gfc_conv_intrinsic_adjust (se, expr, fndecl);
   11353          123 :       break;
   11354              : 
   11355          440 :     case GFC_ISYM_AIMAG:
   11356          440 :       gfc_conv_intrinsic_imagpart (se, expr);
   11357          440 :       break;
   11358              : 
   11359          146 :     case GFC_ISYM_AINT:
   11360          146 :       gfc_conv_intrinsic_aint (se, expr, RND_TRUNC);
   11361          146 :       break;
   11362              : 
   11363          432 :     case GFC_ISYM_ALL:
   11364          432 :       gfc_conv_intrinsic_anyall (se, expr, EQ_EXPR);
   11365          432 :       break;
   11366              : 
   11367           74 :     case GFC_ISYM_ANINT:
   11368           74 :       gfc_conv_intrinsic_aint (se, expr, RND_ROUND);
   11369           74 :       break;
   11370              : 
   11371           90 :     case GFC_ISYM_AND:
   11372           90 :       gfc_conv_intrinsic_bitop (se, expr, BIT_AND_EXPR);
   11373           90 :       break;
   11374              : 
   11375        38662 :     case GFC_ISYM_ANY:
   11376        38662 :       gfc_conv_intrinsic_anyall (se, expr, NE_EXPR);
   11377        38662 :       break;
   11378              : 
   11379          270 :     case GFC_ISYM_ACOSD:
   11380          270 :     case GFC_ISYM_ASIND:
   11381          270 :     case GFC_ISYM_ATAND:
   11382          270 :       gfc_conv_intrinsic_atrigd (se, expr, expr->value.function.isym->id);
   11383          270 :       break;
   11384              : 
   11385          102 :     case GFC_ISYM_COTAN:
   11386          102 :       gfc_conv_intrinsic_cotan (se, expr);
   11387          102 :       break;
   11388              : 
   11389          108 :     case GFC_ISYM_COTAND:
   11390          108 :       gfc_conv_intrinsic_cotand (se, expr);
   11391          108 :       break;
   11392              : 
   11393          138 :     case GFC_ISYM_ATAN2D:
   11394          138 :       gfc_conv_intrinsic_atan2d (se, expr);
   11395          138 :       break;
   11396              : 
   11397          145 :     case GFC_ISYM_BTEST:
   11398          145 :       gfc_conv_intrinsic_btest (se, expr);
   11399          145 :       break;
   11400              : 
   11401           54 :     case GFC_ISYM_BGE:
   11402           54 :       gfc_conv_intrinsic_bitcomp (se, expr, GE_EXPR);
   11403           54 :       break;
   11404              : 
   11405           54 :     case GFC_ISYM_BGT:
   11406           54 :       gfc_conv_intrinsic_bitcomp (se, expr, GT_EXPR);
   11407           54 :       break;
   11408              : 
   11409           54 :     case GFC_ISYM_BLE:
   11410           54 :       gfc_conv_intrinsic_bitcomp (se, expr, LE_EXPR);
   11411           54 :       break;
   11412              : 
   11413           54 :     case GFC_ISYM_BLT:
   11414           54 :       gfc_conv_intrinsic_bitcomp (se, expr, LT_EXPR);
   11415           54 :       break;
   11416              : 
   11417         9949 :     case GFC_ISYM_C_ASSOCIATED:
   11418         9949 :     case GFC_ISYM_C_FUNLOC:
   11419         9949 :     case GFC_ISYM_C_LOC:
   11420         9949 :     case GFC_ISYM_F_C_STRING:
   11421         9949 :       conv_isocbinding_function (se, expr);
   11422         9949 :       break;
   11423              : 
   11424         2020 :     case GFC_ISYM_ACHAR:
   11425         2020 :     case GFC_ISYM_CHAR:
   11426         2020 :       gfc_conv_intrinsic_char (se, expr);
   11427         2020 :       break;
   11428              : 
   11429        41275 :     case GFC_ISYM_CONVERSION:
   11430        41275 :     case GFC_ISYM_DBLE:
   11431        41275 :     case GFC_ISYM_DFLOAT:
   11432        41275 :     case GFC_ISYM_FLOAT:
   11433        41275 :     case GFC_ISYM_LOGICAL:
   11434        41275 :     case GFC_ISYM_REAL:
   11435        41275 :     case GFC_ISYM_REALPART:
   11436        41275 :     case GFC_ISYM_SNGL:
   11437        41275 :       gfc_conv_intrinsic_conversion (se, expr);
   11438        41275 :       break;
   11439              : 
   11440              :       /* Integer conversions are handled separately to make sure we get the
   11441              :          correct rounding mode.  */
   11442         2836 :     case GFC_ISYM_INT:
   11443         2836 :     case GFC_ISYM_INT2:
   11444         2836 :     case GFC_ISYM_INT8:
   11445         2836 :     case GFC_ISYM_LONG:
   11446         2836 :     case GFC_ISYM_UINT:
   11447         2836 :       gfc_conv_intrinsic_int (se, expr, RND_TRUNC);
   11448         2836 :       break;
   11449              : 
   11450          162 :     case GFC_ISYM_NINT:
   11451          162 :       gfc_conv_intrinsic_int (se, expr, RND_ROUND);
   11452          162 :       break;
   11453              : 
   11454           16 :     case GFC_ISYM_CEILING:
   11455           16 :       gfc_conv_intrinsic_int (se, expr, RND_CEIL);
   11456           16 :       break;
   11457              : 
   11458          116 :     case GFC_ISYM_FLOOR:
   11459          116 :       gfc_conv_intrinsic_int (se, expr, RND_FLOOR);
   11460          116 :       break;
   11461              : 
   11462         3385 :     case GFC_ISYM_MOD:
   11463         3385 :       gfc_conv_intrinsic_mod (se, expr, 0);
   11464         3385 :       break;
   11465              : 
   11466          442 :     case GFC_ISYM_MODULO:
   11467          442 :       gfc_conv_intrinsic_mod (se, expr, 1);
   11468          442 :       break;
   11469              : 
   11470         1006 :     case GFC_ISYM_CAF_GET:
   11471         1006 :       gfc_conv_intrinsic_caf_get (se, expr, NULL_TREE, false, NULL);
   11472         1006 :       break;
   11473              : 
   11474          239 :     case GFC_ISYM_CAF_IS_PRESENT_ON_REMOTE:
   11475          239 :       gfc_conv_intrinsic_caf_is_present_remote (se, expr);
   11476          239 :       break;
   11477              : 
   11478          491 :     case GFC_ISYM_CMPLX:
   11479          491 :       gfc_conv_intrinsic_cmplx (se, expr, name[5] == '1');
   11480          491 :       break;
   11481              : 
   11482           10 :     case GFC_ISYM_COMMAND_ARGUMENT_COUNT:
   11483           10 :       gfc_conv_intrinsic_iargc (se, expr);
   11484           10 :       break;
   11485              : 
   11486            6 :     case GFC_ISYM_COMPLEX:
   11487            6 :       gfc_conv_intrinsic_cmplx (se, expr, 1);
   11488            6 :       break;
   11489              : 
   11490          257 :     case GFC_ISYM_CONJG:
   11491          257 :       gfc_conv_intrinsic_conjg (se, expr);
   11492          257 :       break;
   11493              : 
   11494            4 :     case GFC_ISYM_COSHAPE:
   11495            4 :       conv_intrinsic_cobound (se, expr);
   11496            4 :       break;
   11497              : 
   11498          143 :     case GFC_ISYM_COUNT:
   11499          143 :       gfc_conv_intrinsic_count (se, expr);
   11500          143 :       break;
   11501              : 
   11502            0 :     case GFC_ISYM_CTIME:
   11503            0 :       gfc_conv_intrinsic_ctime (se, expr);
   11504            0 :       break;
   11505              : 
   11506           96 :     case GFC_ISYM_DIM:
   11507           96 :       gfc_conv_intrinsic_dim (se, expr);
   11508           96 :       break;
   11509              : 
   11510          113 :     case GFC_ISYM_DOT_PRODUCT:
   11511          113 :       gfc_conv_intrinsic_dot_product (se, expr);
   11512          113 :       break;
   11513              : 
   11514           13 :     case GFC_ISYM_DPROD:
   11515           13 :       gfc_conv_intrinsic_dprod (se, expr);
   11516           13 :       break;
   11517              : 
   11518           66 :     case GFC_ISYM_DSHIFTL:
   11519           66 :       gfc_conv_intrinsic_dshift (se, expr, true);
   11520           66 :       break;
   11521              : 
   11522           66 :     case GFC_ISYM_DSHIFTR:
   11523           66 :       gfc_conv_intrinsic_dshift (se, expr, false);
   11524           66 :       break;
   11525              : 
   11526            0 :     case GFC_ISYM_FDATE:
   11527            0 :       gfc_conv_intrinsic_fdate (se, expr);
   11528            0 :       break;
   11529              : 
   11530           60 :     case GFC_ISYM_FRACTION:
   11531           60 :       gfc_conv_intrinsic_fraction (se, expr);
   11532           60 :       break;
   11533              : 
   11534           24 :     case GFC_ISYM_IALL:
   11535           24 :       gfc_conv_intrinsic_arith (se, expr, BIT_AND_EXPR, false);
   11536           24 :       break;
   11537              : 
   11538          606 :     case GFC_ISYM_IAND:
   11539          606 :       gfc_conv_intrinsic_bitop (se, expr, BIT_AND_EXPR);
   11540          606 :       break;
   11541              : 
   11542           12 :     case GFC_ISYM_IANY:
   11543           12 :       gfc_conv_intrinsic_arith (se, expr, BIT_IOR_EXPR, false);
   11544           12 :       break;
   11545              : 
   11546          168 :     case GFC_ISYM_IBCLR:
   11547          168 :       gfc_conv_intrinsic_singlebitop (se, expr, 0);
   11548          168 :       break;
   11549              : 
   11550           27 :     case GFC_ISYM_IBITS:
   11551           27 :       gfc_conv_intrinsic_ibits (se, expr);
   11552           27 :       break;
   11553              : 
   11554          138 :     case GFC_ISYM_IBSET:
   11555          138 :       gfc_conv_intrinsic_singlebitop (se, expr, 1);
   11556          138 :       break;
   11557              : 
   11558         2033 :     case GFC_ISYM_IACHAR:
   11559         2033 :     case GFC_ISYM_ICHAR:
   11560              :       /* We assume ASCII character sequence.  */
   11561         2033 :       gfc_conv_intrinsic_ichar (se, expr);
   11562         2033 :       break;
   11563              : 
   11564            2 :     case GFC_ISYM_IARGC:
   11565            2 :       gfc_conv_intrinsic_iargc (se, expr);
   11566            2 :       break;
   11567              : 
   11568          694 :     case GFC_ISYM_IEOR:
   11569          694 :       gfc_conv_intrinsic_bitop (se, expr, BIT_XOR_EXPR);
   11570          694 :       break;
   11571              : 
   11572          341 :     case GFC_ISYM_INDEX:
   11573          341 :       kind = expr->value.function.actual->expr->ts.kind;
   11574          341 :       if (kind == 1)
   11575          275 :        fndecl = gfor_fndecl_string_index;
   11576           66 :       else if (kind == 4)
   11577           66 :        fndecl = gfor_fndecl_string_index_char4;
   11578              :       else
   11579            0 :        gcc_unreachable ();
   11580              : 
   11581          341 :       gfc_conv_intrinsic_index_scan_verify (se, expr, fndecl);
   11582          341 :       break;
   11583              : 
   11584          495 :     case GFC_ISYM_IOR:
   11585          495 :       gfc_conv_intrinsic_bitop (se, expr, BIT_IOR_EXPR);
   11586          495 :       break;
   11587              : 
   11588           12 :     case GFC_ISYM_IPARITY:
   11589           12 :       gfc_conv_intrinsic_arith (se, expr, BIT_XOR_EXPR, false);
   11590           12 :       break;
   11591              : 
   11592            6 :     case GFC_ISYM_IS_IOSTAT_END:
   11593            6 :       gfc_conv_has_intvalue (se, expr, LIBERROR_END);
   11594            6 :       break;
   11595              : 
   11596           18 :     case GFC_ISYM_IS_IOSTAT_EOR:
   11597           18 :       gfc_conv_has_intvalue (se, expr, LIBERROR_EOR);
   11598           18 :       break;
   11599              : 
   11600          748 :     case GFC_ISYM_IS_CONTIGUOUS:
   11601          748 :       gfc_conv_intrinsic_is_contiguous (se, expr);
   11602          748 :       break;
   11603              : 
   11604          432 :     case GFC_ISYM_ISNAN:
   11605          432 :       gfc_conv_intrinsic_isnan (se, expr);
   11606          432 :       break;
   11607              : 
   11608            8 :     case GFC_ISYM_KILL:
   11609            8 :       conv_intrinsic_kill (se, expr);
   11610            8 :       break;
   11611              : 
   11612           90 :     case GFC_ISYM_LSHIFT:
   11613           90 :       gfc_conv_intrinsic_shift (se, expr, false, false);
   11614           90 :       break;
   11615              : 
   11616           24 :     case GFC_ISYM_RSHIFT:
   11617           24 :       gfc_conv_intrinsic_shift (se, expr, true, true);
   11618           24 :       break;
   11619              : 
   11620           78 :     case GFC_ISYM_SHIFTA:
   11621           78 :       gfc_conv_intrinsic_shift (se, expr, true, true);
   11622           78 :       break;
   11623              : 
   11624          234 :     case GFC_ISYM_SHIFTL:
   11625          234 :       gfc_conv_intrinsic_shift (se, expr, false, false);
   11626          234 :       break;
   11627              : 
   11628           66 :     case GFC_ISYM_SHIFTR:
   11629           66 :       gfc_conv_intrinsic_shift (se, expr, true, false);
   11630           66 :       break;
   11631              : 
   11632          318 :     case GFC_ISYM_ISHFT:
   11633          318 :       gfc_conv_intrinsic_ishft (se, expr);
   11634          318 :       break;
   11635              : 
   11636          658 :     case GFC_ISYM_ISHFTC:
   11637          658 :       gfc_conv_intrinsic_ishftc (se, expr);
   11638          658 :       break;
   11639              : 
   11640          270 :     case GFC_ISYM_LEADZ:
   11641          270 :       gfc_conv_intrinsic_leadz (se, expr);
   11642          270 :       break;
   11643              : 
   11644          282 :     case GFC_ISYM_TRAILZ:
   11645          282 :       gfc_conv_intrinsic_trailz (se, expr);
   11646          282 :       break;
   11647              : 
   11648          103 :     case GFC_ISYM_POPCNT:
   11649          103 :       gfc_conv_intrinsic_popcnt_poppar (se, expr, 0);
   11650          103 :       break;
   11651              : 
   11652           31 :     case GFC_ISYM_POPPAR:
   11653           31 :       gfc_conv_intrinsic_popcnt_poppar (se, expr, 1);
   11654           31 :       break;
   11655              : 
   11656         5589 :     case GFC_ISYM_LBOUND:
   11657         5589 :       gfc_conv_intrinsic_bound (se, expr, GFC_ISYM_LBOUND);
   11658         5589 :       break;
   11659              : 
   11660          210 :     case GFC_ISYM_LCOBOUND:
   11661          210 :       conv_intrinsic_cobound (se, expr);
   11662          210 :       break;
   11663              : 
   11664          774 :     case GFC_ISYM_TRANSPOSE:
   11665              :       /* The scalarizer has already been set up for reversed dimension access
   11666              :          order ; now we just get the argument value normally.  */
   11667          774 :       gfc_conv_expr (se, expr->value.function.actual->expr);
   11668          774 :       break;
   11669              : 
   11670         5946 :     case GFC_ISYM_LEN:
   11671         5946 :       gfc_conv_intrinsic_len (se, expr);
   11672         5946 :       break;
   11673              : 
   11674         2340 :     case GFC_ISYM_LEN_TRIM:
   11675         2340 :       gfc_conv_intrinsic_len_trim (se, expr);
   11676         2340 :       break;
   11677              : 
   11678           18 :     case GFC_ISYM_LGE:
   11679           18 :       gfc_conv_intrinsic_strcmp (se, expr, GE_EXPR);
   11680           18 :       break;
   11681              : 
   11682           36 :     case GFC_ISYM_LGT:
   11683           36 :       gfc_conv_intrinsic_strcmp (se, expr, GT_EXPR);
   11684           36 :       break;
   11685              : 
   11686           18 :     case GFC_ISYM_LLE:
   11687           18 :       gfc_conv_intrinsic_strcmp (se, expr, LE_EXPR);
   11688           18 :       break;
   11689              : 
   11690           27 :     case GFC_ISYM_LLT:
   11691           27 :       gfc_conv_intrinsic_strcmp (se, expr, LT_EXPR);
   11692           27 :       break;
   11693              : 
   11694           16 :     case GFC_ISYM_MALLOC:
   11695           16 :       gfc_conv_intrinsic_malloc (se, expr);
   11696           16 :       break;
   11697              : 
   11698           32 :     case GFC_ISYM_MASKL:
   11699           32 :       gfc_conv_intrinsic_mask (se, expr, 1);
   11700           32 :       break;
   11701              : 
   11702           32 :     case GFC_ISYM_MASKR:
   11703           32 :       gfc_conv_intrinsic_mask (se, expr, 0);
   11704           32 :       break;
   11705              : 
   11706         1049 :     case GFC_ISYM_MAX:
   11707         1049 :       if (expr->ts.type == BT_CHARACTER)
   11708          138 :         gfc_conv_intrinsic_minmax_char (se, expr, 1);
   11709              :       else
   11710          911 :         gfc_conv_intrinsic_minmax (se, expr, GT_EXPR);
   11711              :       break;
   11712              : 
   11713         6348 :     case GFC_ISYM_MAXLOC:
   11714         6348 :       gfc_conv_intrinsic_minmaxloc (se, expr, GT_EXPR);
   11715         6348 :       break;
   11716              : 
   11717          216 :     case GFC_ISYM_FINDLOC:
   11718          216 :       gfc_conv_intrinsic_findloc (se, expr);
   11719          216 :       break;
   11720              : 
   11721         1101 :     case GFC_ISYM_MAXVAL:
   11722         1101 :       gfc_conv_intrinsic_minmaxval (se, expr, GT_EXPR);
   11723         1101 :       break;
   11724              : 
   11725          949 :     case GFC_ISYM_MERGE:
   11726          949 :       gfc_conv_intrinsic_merge (se, expr);
   11727          949 :       break;
   11728              : 
   11729           42 :     case GFC_ISYM_MERGE_BITS:
   11730           42 :       gfc_conv_intrinsic_merge_bits (se, expr);
   11731           42 :       break;
   11732              : 
   11733          598 :     case GFC_ISYM_MIN:
   11734          598 :       if (expr->ts.type == BT_CHARACTER)
   11735          144 :         gfc_conv_intrinsic_minmax_char (se, expr, -1);
   11736              :       else
   11737          454 :         gfc_conv_intrinsic_minmax (se, expr, LT_EXPR);
   11738              :       break;
   11739              : 
   11740         7176 :     case GFC_ISYM_MINLOC:
   11741         7176 :       gfc_conv_intrinsic_minmaxloc (se, expr, LT_EXPR);
   11742         7176 :       break;
   11743              : 
   11744         1316 :     case GFC_ISYM_MINVAL:
   11745         1316 :       gfc_conv_intrinsic_minmaxval (se, expr, LT_EXPR);
   11746         1316 :       break;
   11747              : 
   11748         1595 :     case GFC_ISYM_NEAREST:
   11749         1595 :       gfc_conv_intrinsic_nearest (se, expr);
   11750         1595 :       break;
   11751              : 
   11752           68 :     case GFC_ISYM_NORM2:
   11753           68 :       gfc_conv_intrinsic_arith (se, expr, PLUS_EXPR, true);
   11754           68 :       break;
   11755              : 
   11756          230 :     case GFC_ISYM_NOT:
   11757          230 :       gfc_conv_intrinsic_not (se, expr);
   11758          230 :       break;
   11759              : 
   11760           12 :     case GFC_ISYM_OR:
   11761           12 :       gfc_conv_intrinsic_bitop (se, expr, BIT_IOR_EXPR);
   11762           12 :       break;
   11763              : 
   11764          468 :     case GFC_ISYM_OUT_OF_RANGE:
   11765          468 :       gfc_conv_intrinsic_out_of_range (se, expr);
   11766          468 :       break;
   11767              : 
   11768           36 :     case GFC_ISYM_PARITY:
   11769           36 :       gfc_conv_intrinsic_arith (se, expr, NE_EXPR, false);
   11770           36 :       break;
   11771              : 
   11772         5196 :     case GFC_ISYM_PRESENT:
   11773         5196 :       gfc_conv_intrinsic_present (se, expr);
   11774         5196 :       break;
   11775              : 
   11776          358 :     case GFC_ISYM_PRODUCT:
   11777          358 :       gfc_conv_intrinsic_arith (se, expr, MULT_EXPR, false);
   11778          358 :       break;
   11779              : 
   11780        13376 :     case GFC_ISYM_RANK:
   11781        13376 :       gfc_conv_intrinsic_rank (se, expr);
   11782        13376 :       break;
   11783              : 
   11784           48 :     case GFC_ISYM_RRSPACING:
   11785           48 :       gfc_conv_intrinsic_rrspacing (se, expr);
   11786           48 :       break;
   11787              : 
   11788          262 :     case GFC_ISYM_SET_EXPONENT:
   11789          262 :       gfc_conv_intrinsic_set_exponent (se, expr);
   11790          262 :       break;
   11791              : 
   11792           72 :     case GFC_ISYM_SCALE:
   11793           72 :       gfc_conv_intrinsic_scale (se, expr);
   11794           72 :       break;
   11795              : 
   11796         5012 :     case GFC_ISYM_SHAPE:
   11797         5012 :       gfc_conv_intrinsic_bound (se, expr, GFC_ISYM_SHAPE);
   11798         5012 :       break;
   11799              : 
   11800          423 :     case GFC_ISYM_SIGN:
   11801          423 :       gfc_conv_intrinsic_sign (se, expr);
   11802          423 :       break;
   11803              : 
   11804        15631 :     case GFC_ISYM_SIZE:
   11805        15631 :       gfc_conv_intrinsic_size (se, expr);
   11806        15631 :       break;
   11807              : 
   11808         1309 :     case GFC_ISYM_SIZEOF:
   11809         1309 :     case GFC_ISYM_C_SIZEOF:
   11810         1309 :       gfc_conv_intrinsic_sizeof (se, expr);
   11811         1309 :       break;
   11812              : 
   11813          865 :     case GFC_ISYM_STORAGE_SIZE:
   11814          865 :       gfc_conv_intrinsic_storage_size (se, expr);
   11815          865 :       break;
   11816              : 
   11817           70 :     case GFC_ISYM_SPACING:
   11818           70 :       gfc_conv_intrinsic_spacing (se, expr);
   11819           70 :       break;
   11820              : 
   11821         2429 :     case GFC_ISYM_STRIDE:
   11822         2429 :       conv_intrinsic_stride (se, expr);
   11823         2429 :       break;
   11824              : 
   11825         2011 :     case GFC_ISYM_SUM:
   11826         2011 :       gfc_conv_intrinsic_arith (se, expr, PLUS_EXPR, false);
   11827         2011 :       break;
   11828              : 
   11829           39 :     case GFC_ISYM_TEAM_NUMBER:
   11830           39 :       conv_intrinsic_team_number (se, expr);
   11831           39 :       break;
   11832              : 
   11833         4272 :     case GFC_ISYM_TRANSFER:
   11834         4272 :       if (se->ss && se->ss->info->useflags)
   11835              :         /* Access the previously obtained result.  */
   11836          281 :         gfc_conv_tmp_array_ref (se);
   11837              :       else
   11838         3991 :         gfc_conv_intrinsic_transfer (se, expr);
   11839              :       break;
   11840              : 
   11841            0 :     case GFC_ISYM_TTYNAM:
   11842            0 :       gfc_conv_intrinsic_ttynam (se, expr);
   11843            0 :       break;
   11844              : 
   11845         5748 :     case GFC_ISYM_UBOUND:
   11846         5748 :       gfc_conv_intrinsic_bound (se, expr, GFC_ISYM_UBOUND);
   11847         5748 :       break;
   11848              : 
   11849          244 :     case GFC_ISYM_UCOBOUND:
   11850          244 :       conv_intrinsic_cobound (se, expr);
   11851          244 :       break;
   11852              : 
   11853           18 :     case GFC_ISYM_XOR:
   11854           18 :       gfc_conv_intrinsic_bitop (se, expr, BIT_XOR_EXPR);
   11855           18 :       break;
   11856              : 
   11857         8993 :     case GFC_ISYM_LOC:
   11858         8993 :       gfc_conv_intrinsic_loc (se, expr);
   11859         8993 :       break;
   11860              : 
   11861         1514 :     case GFC_ISYM_THIS_IMAGE:
   11862              :       /* For num_images() == 1, handle as LCOBOUND.  */
   11863         1514 :       if (expr->value.function.actual->expr
   11864          526 :           && flag_coarray == GFC_FCOARRAY_SINGLE)
   11865          208 :         conv_intrinsic_cobound (se, expr);
   11866              :       else
   11867         1306 :         trans_this_image (se, expr);
   11868              :       break;
   11869              : 
   11870          223 :     case GFC_ISYM_IMAGE_INDEX:
   11871          223 :       trans_image_index (se, expr);
   11872          223 :       break;
   11873              : 
   11874           25 :     case GFC_ISYM_IMAGE_STATUS:
   11875           25 :       conv_intrinsic_image_status (se, expr);
   11876           25 :       break;
   11877              : 
   11878          814 :     case GFC_ISYM_NUM_IMAGES:
   11879          814 :       trans_num_images (se, expr);
   11880          814 :       break;
   11881              : 
   11882         1410 :     case GFC_ISYM_ACCESS:
   11883         1410 :     case GFC_ISYM_CHDIR:
   11884         1410 :     case GFC_ISYM_CHMOD:
   11885         1410 :     case GFC_ISYM_DTIME:
   11886         1410 :     case GFC_ISYM_ETIME:
   11887         1410 :     case GFC_ISYM_EXTENDS_TYPE_OF:
   11888         1410 :     case GFC_ISYM_FGET:
   11889         1410 :     case GFC_ISYM_FGETC:
   11890         1410 :     case GFC_ISYM_FNUM:
   11891         1410 :     case GFC_ISYM_FPUT:
   11892         1410 :     case GFC_ISYM_FPUTC:
   11893         1410 :     case GFC_ISYM_FSTAT:
   11894         1410 :     case GFC_ISYM_FTELL:
   11895         1410 :     case GFC_ISYM_GETCWD:
   11896         1410 :     case GFC_ISYM_GETGID:
   11897         1410 :     case GFC_ISYM_GETPID:
   11898         1410 :     case GFC_ISYM_GETUID:
   11899         1410 :     case GFC_ISYM_GET_TEAM:
   11900         1410 :     case GFC_ISYM_HOSTNM:
   11901         1410 :     case GFC_ISYM_IERRNO:
   11902         1410 :     case GFC_ISYM_IRAND:
   11903         1410 :     case GFC_ISYM_ISATTY:
   11904         1410 :     case GFC_ISYM_JN2:
   11905         1410 :     case GFC_ISYM_LINK:
   11906         1410 :     case GFC_ISYM_LSTAT:
   11907         1410 :     case GFC_ISYM_MATMUL:
   11908         1410 :     case GFC_ISYM_MCLOCK:
   11909         1410 :     case GFC_ISYM_MCLOCK8:
   11910         1410 :     case GFC_ISYM_RAND:
   11911         1410 :     case GFC_ISYM_REDUCE:
   11912         1410 :     case GFC_ISYM_RENAME:
   11913         1410 :     case GFC_ISYM_SECOND:
   11914         1410 :     case GFC_ISYM_SECNDS:
   11915         1410 :     case GFC_ISYM_SIGNAL:
   11916         1410 :     case GFC_ISYM_STAT:
   11917         1410 :     case GFC_ISYM_SYMLNK:
   11918         1410 :     case GFC_ISYM_SYSTEM:
   11919         1410 :     case GFC_ISYM_TIME:
   11920         1410 :     case GFC_ISYM_TIME8:
   11921         1410 :     case GFC_ISYM_UMASK:
   11922         1410 :     case GFC_ISYM_UNLINK:
   11923         1410 :     case GFC_ISYM_YN2:
   11924         1410 :       gfc_conv_intrinsic_funcall (se, expr);
   11925         1410 :       break;
   11926              : 
   11927            0 :     case GFC_ISYM_EOSHIFT:
   11928            0 :     case GFC_ISYM_PACK:
   11929            0 :     case GFC_ISYM_RESHAPE:
   11930              :       /* For those, expr->rank should always be >0 and thus the if above the
   11931              :          switch should have matched.  */
   11932            0 :       gcc_unreachable ();
   11933         3929 :       break;
   11934              : 
   11935         3929 :     default:
   11936         3929 :       gfc_conv_intrinsic_lib_function (se, expr);
   11937         3929 :       break;
   11938              :     }
   11939              : }
   11940              : 
   11941              : 
   11942              : static gfc_ss *
   11943         1674 : walk_inline_intrinsic_transpose (gfc_ss *ss, gfc_expr *expr)
   11944              : {
   11945         1674 :   gfc_ss *arg_ss, *tmp_ss;
   11946         1674 :   gfc_actual_arglist *arg;
   11947              : 
   11948         1674 :   arg = expr->value.function.actual;
   11949              : 
   11950         1674 :   gcc_assert (arg->expr);
   11951              : 
   11952         1674 :   arg_ss = gfc_walk_subexpr (gfc_ss_terminator, arg->expr);
   11953         1674 :   gcc_assert (arg_ss != gfc_ss_terminator);
   11954              : 
   11955              :   for (tmp_ss = arg_ss; ; tmp_ss = tmp_ss->next)
   11956              :     {
   11957         1785 :       if (tmp_ss->info->type != GFC_SS_SCALAR
   11958              :           && tmp_ss->info->type != GFC_SS_REFERENCE)
   11959              :         {
   11960         1742 :           gcc_assert (tmp_ss->dimen == 2);
   11961              : 
   11962              :           /* We just invert dimensions.  */
   11963         1742 :           std::swap (tmp_ss->dim[0], tmp_ss->dim[1]);
   11964              :         }
   11965              : 
   11966              :       /* Stop when tmp_ss points to the last valid element of the chain...  */
   11967         1785 :       if (tmp_ss->next == gfc_ss_terminator)
   11968              :         break;
   11969              :     }
   11970              : 
   11971              :   /* ... so that we can attach the rest of the chain to it.  */
   11972         1674 :   tmp_ss->next = ss;
   11973              : 
   11974         1674 :   return arg_ss;
   11975              : }
   11976              : 
   11977              : 
   11978              : /* Move the given dimension of the given gfc_ss list to a nested gfc_ss list.
   11979              :    This has the side effect of reversing the nested list, so there is no
   11980              :    need to call gfc_reverse_ss on it (the given list is assumed not to be
   11981              :    reversed yet).   */
   11982              : 
   11983              : static gfc_ss *
   11984         3371 : nest_loop_dimension (gfc_ss *ss, int dim)
   11985              : {
   11986         3371 :   int ss_dim, i;
   11987         3371 :   gfc_ss *new_ss, *prev_ss = gfc_ss_terminator;
   11988         3371 :   gfc_loopinfo *new_loop;
   11989              : 
   11990         3371 :   gcc_assert (ss != gfc_ss_terminator);
   11991              : 
   11992         8118 :   for (; ss != gfc_ss_terminator; ss = ss->next)
   11993              :     {
   11994         4747 :       new_ss = gfc_get_ss ();
   11995         4747 :       new_ss->next = prev_ss;
   11996         4747 :       new_ss->parent = ss;
   11997         4747 :       new_ss->info = ss->info;
   11998         4747 :       new_ss->info->refcount++;
   11999         4747 :       if (ss->dimen != 0)
   12000              :         {
   12001         4684 :           gcc_assert (ss->info->type != GFC_SS_SCALAR
   12002              :                       && ss->info->type != GFC_SS_REFERENCE);
   12003              : 
   12004         4684 :           new_ss->dimen = 1;
   12005         4684 :           new_ss->dim[0] = ss->dim[dim];
   12006              : 
   12007         4684 :           gcc_assert (dim < ss->dimen);
   12008              : 
   12009         4684 :           ss_dim = --ss->dimen;
   12010        10430 :           for (i = dim; i < ss_dim; i++)
   12011         5746 :             ss->dim[i] = ss->dim[i + 1];
   12012              : 
   12013         4684 :           ss->dim[ss_dim] = 0;
   12014              :         }
   12015         4747 :       prev_ss = new_ss;
   12016              : 
   12017         4747 :       if (ss->nested_ss)
   12018              :         {
   12019           81 :           ss->nested_ss->parent = new_ss;
   12020           81 :           new_ss->nested_ss = ss->nested_ss;
   12021              :         }
   12022         4747 :       ss->nested_ss = new_ss;
   12023              :     }
   12024              : 
   12025         3371 :   new_loop = gfc_get_loopinfo ();
   12026         3371 :   gfc_init_loopinfo (new_loop);
   12027              : 
   12028         3371 :   gcc_assert (prev_ss != NULL);
   12029         3371 :   gcc_assert (prev_ss != gfc_ss_terminator);
   12030         3371 :   gfc_add_ss_to_loop (new_loop, prev_ss);
   12031         3371 :   return new_ss->parent;
   12032              : }
   12033              : 
   12034              : 
   12035              : /* Create the gfc_ss list for the SUM/PRODUCT arguments when the function
   12036              :    is to be inlined.  */
   12037              : 
   12038              : static gfc_ss *
   12039          575 : walk_inline_intrinsic_arith (gfc_ss *ss, gfc_expr *expr)
   12040              : {
   12041          575 :   gfc_ss *tmp_ss, *tail, *array_ss;
   12042          575 :   gfc_actual_arglist *arg1, *arg2, *arg3;
   12043          575 :   int sum_dim;
   12044          575 :   bool scalar_mask = false;
   12045              : 
   12046              :   /* The rank of the result will be determined later.  */
   12047          575 :   arg1 = expr->value.function.actual;
   12048          575 :   arg2 = arg1->next;
   12049          575 :   arg3 = arg2->next;
   12050          575 :   gcc_assert (arg3 != NULL);
   12051              : 
   12052          575 :   if (expr->rank == 0)
   12053              :     return ss;
   12054              : 
   12055          575 :   tmp_ss = gfc_ss_terminator;
   12056              : 
   12057          575 :   if (arg3->expr)
   12058              :     {
   12059          118 :       gfc_ss *mask_ss;
   12060              : 
   12061          118 :       mask_ss = gfc_walk_subexpr (tmp_ss, arg3->expr);
   12062          118 :       if (mask_ss == tmp_ss)
   12063           34 :         scalar_mask = 1;
   12064              : 
   12065              :       tmp_ss = mask_ss;
   12066              :     }
   12067              : 
   12068          575 :   array_ss = gfc_walk_subexpr (tmp_ss, arg1->expr);
   12069          575 :   gcc_assert (array_ss != tmp_ss);
   12070              : 
   12071              :   /* Odd thing: If the mask is scalar, it is used by the frontend after
   12072              :      the array (to make an if around the nested loop). Thus it shall
   12073              :      be after array_ss once the gfc_ss list is reversed.  */
   12074          575 :   if (scalar_mask)
   12075           34 :     tmp_ss = gfc_get_scalar_ss (array_ss, arg3->expr);
   12076              :   else
   12077              :     tmp_ss = array_ss;
   12078              : 
   12079              :   /* "Hide" the dimension on which we will sum in the first arg's scalarization
   12080              :      chain.  */
   12081          575 :   sum_dim = mpz_get_si (arg2->expr->value.integer) - 1;
   12082          575 :   tail = nest_loop_dimension (tmp_ss, sum_dim);
   12083          575 :   tail->next = ss;
   12084              : 
   12085          575 :   return tmp_ss;
   12086              : }
   12087              : 
   12088              : 
   12089              : /* Create the gfc_ss list for the arguments to MINLOC or MAXLOC when the
   12090              :    function is to be inlined.  */
   12091              : 
   12092              : static gfc_ss *
   12093         6085 : walk_inline_intrinsic_minmaxloc (gfc_ss *ss, gfc_expr *expr ATTRIBUTE_UNUSED)
   12094              : {
   12095         6085 :   if (expr->rank == 0)
   12096              :     return ss;
   12097              : 
   12098         6085 :   gfc_actual_arglist *array_arg = expr->value.function.actual;
   12099         6085 :   gfc_actual_arglist *dim_arg = array_arg->next;
   12100         6085 :   gfc_actual_arglist *mask_arg = dim_arg->next;
   12101         6085 :   gfc_actual_arglist *kind_arg = mask_arg->next;
   12102         6085 :   gfc_actual_arglist *back_arg = kind_arg->next;
   12103              : 
   12104         6085 :   gfc_expr *array = array_arg->expr;
   12105         6085 :   gfc_expr *dim = dim_arg->expr;
   12106         6085 :   gfc_expr *mask = mask_arg->expr;
   12107         6085 :   gfc_expr *back = back_arg->expr;
   12108              : 
   12109         6085 :   if (dim == nullptr)
   12110         3289 :     return gfc_get_array_ss (ss, expr, 1, GFC_SS_INTRINSIC);
   12111              : 
   12112         2796 :   gfc_ss *tmp_ss = gfc_ss_terminator;
   12113              : 
   12114         2796 :   bool scalar_mask = false;
   12115         2796 :   if (mask)
   12116              :     {
   12117         1866 :       gfc_ss *mask_ss = gfc_walk_subexpr (tmp_ss, mask);
   12118         1866 :       if (mask_ss == tmp_ss)
   12119              :         scalar_mask = true;
   12120         1174 :       else if (maybe_absent_optional_variable (mask))
   12121           20 :         mask_ss->info->can_be_null_ref = true;
   12122              : 
   12123              :       tmp_ss = mask_ss;
   12124              :     }
   12125              : 
   12126         2796 :   gfc_ss *array_ss = gfc_walk_subexpr (tmp_ss, array);
   12127         2796 :   gcc_assert (array_ss != tmp_ss);
   12128              : 
   12129         2796 :   tmp_ss = array_ss;
   12130              : 
   12131              :   /* Move the dimension on which we will sum to a separate nested scalarization
   12132              :      chain, "hiding" that dimension from the outer scalarization.  */
   12133         2796 :   int dim_val = mpz_get_si (dim->value.integer);
   12134         2796 :   gfc_ss *tail = nest_loop_dimension (tmp_ss, dim_val - 1);
   12135              : 
   12136         2796 :   if (back && array->rank > 1)
   12137              :     {
   12138              :       /* If there are nested scalarization loops, include BACK in the
   12139              :          scalarization chains to avoid evaluating it multiple times in a loop.
   12140              :          Otherwise, prefer to handle it outside of scalarization.  */
   12141         2796 :       gfc_ss *back_ss = gfc_get_scalar_ss (ss, back);
   12142         2796 :       back_ss->info->type = GFC_SS_REFERENCE;
   12143         2796 :       if (maybe_absent_optional_variable (back))
   12144           16 :         back_ss->info->can_be_null_ref = true;
   12145              : 
   12146         2796 :       tail->next = back_ss;
   12147         2796 :     }
   12148              :   else
   12149            0 :     tail->next = ss;
   12150              : 
   12151         2796 :   if (scalar_mask)
   12152              :     {
   12153          692 :       tmp_ss = gfc_get_scalar_ss (tmp_ss, mask);
   12154              :       /* MASK can be a forwarded optional argument, so make the necessary setup
   12155              :          to avoid the scalarizer generating any unguarded pointer dereference in
   12156              :          that case.  */
   12157          692 :       tmp_ss->info->type = GFC_SS_REFERENCE;
   12158          692 :       if (maybe_absent_optional_variable (mask))
   12159            4 :         tmp_ss->info->can_be_null_ref = true;
   12160              :     }
   12161              : 
   12162              :   return tmp_ss;
   12163              : }
   12164              : 
   12165              : 
   12166              : static gfc_ss *
   12167         8334 : walk_inline_intrinsic_function (gfc_ss * ss, gfc_expr * expr)
   12168              : {
   12169              : 
   12170         8334 :   switch (expr->value.function.isym->id)
   12171              :     {
   12172          575 :       case GFC_ISYM_PRODUCT:
   12173          575 :       case GFC_ISYM_SUM:
   12174          575 :         return walk_inline_intrinsic_arith (ss, expr);
   12175              : 
   12176         1674 :       case GFC_ISYM_TRANSPOSE:
   12177         1674 :         return walk_inline_intrinsic_transpose (ss, expr);
   12178              : 
   12179         6085 :       case GFC_ISYM_MAXLOC:
   12180         6085 :       case GFC_ISYM_MINLOC:
   12181         6085 :         return walk_inline_intrinsic_minmaxloc (ss, expr);
   12182              : 
   12183            0 :       default:
   12184            0 :         gcc_unreachable ();
   12185              :     }
   12186              :   gcc_unreachable ();
   12187              : }
   12188              : 
   12189              : 
   12190              : /* This generates code to execute before entering the scalarization loop.
   12191              :    Currently does nothing.  */
   12192              : 
   12193              : void
   12194        11605 : gfc_add_intrinsic_ss_code (gfc_loopinfo * loop ATTRIBUTE_UNUSED, gfc_ss * ss)
   12195              : {
   12196        11605 :   switch (ss->info->expr->value.function.isym->id)
   12197              :     {
   12198        11605 :     case GFC_ISYM_UBOUND:
   12199        11605 :     case GFC_ISYM_LBOUND:
   12200        11605 :     case GFC_ISYM_COSHAPE:
   12201        11605 :     case GFC_ISYM_UCOBOUND:
   12202        11605 :     case GFC_ISYM_LCOBOUND:
   12203        11605 :     case GFC_ISYM_MAXLOC:
   12204        11605 :     case GFC_ISYM_MINLOC:
   12205        11605 :     case GFC_ISYM_THIS_IMAGE:
   12206        11605 :     case GFC_ISYM_SHAPE:
   12207        11605 :       break;
   12208              : 
   12209            0 :     default:
   12210            0 :       gcc_unreachable ();
   12211              :     }
   12212        11605 : }
   12213              : 
   12214              : 
   12215              : /* The LBOUND, LCOBOUND, UBOUND, UCOBOUND, and SHAPE intrinsics with
   12216              :    one parameter are expanded into code inside the scalarization loop.  */
   12217              : 
   12218              : static gfc_ss *
   12219        10185 : gfc_walk_intrinsic_bound (gfc_ss * ss, gfc_expr * expr)
   12220              : {
   12221        10185 :   if (expr->value.function.actual->expr->ts.type == BT_CLASS)
   12222          438 :     gfc_add_class_array_ref (expr->value.function.actual->expr);
   12223              : 
   12224              :   /* The two argument version returns a scalar.  */
   12225        10185 :   if (expr->value.function.isym->id != GFC_ISYM_SHAPE
   12226         3522 :       && expr->value.function.isym->id != GFC_ISYM_COSHAPE
   12227         3518 :       && expr->value.function.actual->next->expr)
   12228              :     return ss;
   12229              : 
   12230        10185 :   return gfc_get_array_ss (ss, expr, 1, GFC_SS_INTRINSIC);
   12231              : }
   12232              : 
   12233              : 
   12234              : /* Walk an intrinsic array libcall.  */
   12235              : 
   12236              : static gfc_ss *
   12237        14518 : gfc_walk_intrinsic_libfunc (gfc_ss * ss, gfc_expr * expr)
   12238              : {
   12239        14518 :   gcc_assert (expr->rank > 0);
   12240        14518 :   return gfc_get_array_ss (ss, expr, expr->rank, GFC_SS_FUNCTION);
   12241              : }
   12242              : 
   12243              : 
   12244              : /* Return whether the function call expression EXPR will be expanded
   12245              :    inline by gfc_conv_intrinsic_function.  */
   12246              : 
   12247              : bool
   12248       305180 : gfc_inline_intrinsic_function_p (gfc_expr *expr)
   12249              : {
   12250       305180 :   gfc_actual_arglist *args, *dim_arg, *mask_arg;
   12251       305180 :   gfc_expr *maskexpr;
   12252              : 
   12253       305180 :   gfc_intrinsic_sym *isym = expr->value.function.isym;
   12254       305180 :   if (!isym)
   12255              :     return false;
   12256              : 
   12257       305138 :   switch (isym->id)
   12258              :     {
   12259         5111 :     case GFC_ISYM_PRODUCT:
   12260         5111 :     case GFC_ISYM_SUM:
   12261              :       /* Disable inline expansion if code size matters.  */
   12262         5111 :       if (optimize_size)
   12263              :         return false;
   12264              : 
   12265         4255 :       args = expr->value.function.actual;
   12266         4255 :       dim_arg = args->next;
   12267              : 
   12268              :       /* We need to be able to subset the SUM argument at compile-time.  */
   12269         4255 :       if (dim_arg->expr && dim_arg->expr->expr_type != EXPR_CONSTANT)
   12270              :         return false;
   12271              : 
   12272              :       /* FIXME: If MASK is optional for a more than two-dimensional
   12273              :          argument, the scalarizer gets confused if the mask is
   12274              :          absent.  See PR 82995.  For now, fall back to the library
   12275              :          function.  */
   12276              : 
   12277         3643 :       mask_arg = dim_arg->next;
   12278         3643 :       maskexpr = mask_arg->expr;
   12279              : 
   12280         3643 :       if (expr->rank > 0 && maskexpr && maskexpr->expr_type == EXPR_VARIABLE
   12281          276 :           && maskexpr->symtree->n.sym->attr.dummy
   12282           48 :           && maskexpr->symtree->n.sym->attr.optional)
   12283              :         return false;
   12284              : 
   12285              :       return true;
   12286              : 
   12287              :     case GFC_ISYM_TRANSPOSE:
   12288              :       return true;
   12289              : 
   12290        57188 :     case GFC_ISYM_MINLOC:
   12291        57188 :     case GFC_ISYM_MAXLOC:
   12292        57188 :       {
   12293        57188 :         if ((isym->id == GFC_ISYM_MINLOC
   12294        30521 :              && (flag_inline_intrinsics
   12295        30521 :                  & GFC_FLAG_INLINE_INTRINSIC_MINLOC) == 0)
   12296        46611 :             || (isym->id == GFC_ISYM_MAXLOC
   12297        26667 :                 && (flag_inline_intrinsics
   12298        26667 :                     & GFC_FLAG_INLINE_INTRINSIC_MAXLOC) == 0))
   12299              :           return false;
   12300              : 
   12301        37638 :         gfc_actual_arglist *array_arg = expr->value.function.actual;
   12302        37638 :         gfc_actual_arglist *dim_arg = array_arg->next;
   12303              : 
   12304        37638 :         gfc_expr *array = array_arg->expr;
   12305        37638 :         gfc_expr *dim = dim_arg->expr;
   12306              : 
   12307        37638 :         if (!(array->ts.type == BT_INTEGER
   12308              :               || array->ts.type == BT_REAL))
   12309              :           return false;
   12310              : 
   12311        34658 :         if (array->rank == 1)
   12312              :           return true;
   12313              : 
   12314        20711 :         if (dim != nullptr
   12315        13372 :             && dim->expr_type != EXPR_CONSTANT)
   12316              :           return false;
   12317              : 
   12318              :         return true;
   12319              :       }
   12320              : 
   12321              :     default:
   12322              :       return false;
   12323              :     }
   12324              : }
   12325              : 
   12326              : 
   12327              : /* Returns nonzero if the specified intrinsic function call maps directly to
   12328              :    an external library call.  Should only be used for functions that return
   12329              :    arrays.  */
   12330              : 
   12331              : int
   12332        88133 : gfc_is_intrinsic_libcall (gfc_expr * expr)
   12333              : {
   12334        88133 :   gcc_assert (expr->expr_type == EXPR_FUNCTION && expr->value.function.isym);
   12335        88133 :   gcc_assert (expr->rank > 0);
   12336              : 
   12337        88133 :   if (gfc_inline_intrinsic_function_p (expr))
   12338              :     return 0;
   12339              : 
   12340        73516 :   switch (expr->value.function.isym->id)
   12341              :     {
   12342              :     case GFC_ISYM_ALL:
   12343              :     case GFC_ISYM_ANY:
   12344              :     case GFC_ISYM_COUNT:
   12345              :     case GFC_ISYM_FINDLOC:
   12346              :     case GFC_ISYM_JN2:
   12347              :     case GFC_ISYM_IANY:
   12348              :     case GFC_ISYM_IALL:
   12349              :     case GFC_ISYM_IPARITY:
   12350              :     case GFC_ISYM_MATMUL:
   12351              :     case GFC_ISYM_MAXLOC:
   12352              :     case GFC_ISYM_MAXVAL:
   12353              :     case GFC_ISYM_MINLOC:
   12354              :     case GFC_ISYM_MINVAL:
   12355              :     case GFC_ISYM_NORM2:
   12356              :     case GFC_ISYM_PARITY:
   12357              :     case GFC_ISYM_PRODUCT:
   12358              :     case GFC_ISYM_SUM:
   12359              :     case GFC_ISYM_SPREAD:
   12360              :     case GFC_ISYM_YN2:
   12361              :       /* Ignore absent optional parameters.  */
   12362              :       return 1;
   12363              : 
   12364        15873 :     case GFC_ISYM_CSHIFT:
   12365        15873 :     case GFC_ISYM_EOSHIFT:
   12366        15873 :     case GFC_ISYM_GET_TEAM:
   12367        15873 :     case GFC_ISYM_FAILED_IMAGES:
   12368        15873 :     case GFC_ISYM_STOPPED_IMAGES:
   12369        15873 :     case GFC_ISYM_PACK:
   12370        15873 :     case GFC_ISYM_REDUCE:
   12371        15873 :     case GFC_ISYM_RESHAPE:
   12372        15873 :     case GFC_ISYM_UNPACK:
   12373              :       /* Pass absent optional parameters.  */
   12374        15873 :       return 2;
   12375              : 
   12376              :     default:
   12377              :       return 0;
   12378              :     }
   12379              : }
   12380              : 
   12381              : /* Walk an intrinsic function.  */
   12382              : gfc_ss *
   12383        55967 : gfc_walk_intrinsic_function (gfc_ss * ss, gfc_expr * expr,
   12384              :                              gfc_intrinsic_sym * isym)
   12385              : {
   12386        55967 :   gcc_assert (isym);
   12387              : 
   12388        55967 :   if (isym->elemental)
   12389        18432 :     return gfc_walk_elemental_function_args (ss, expr->value.function.actual,
   12390              :                                              expr->value.function.isym,
   12391        18432 :                                              GFC_SS_SCALAR);
   12392              : 
   12393        37535 :   if (expr->rank == 0 && expr->corank == 0)
   12394              :     return ss;
   12395              : 
   12396        33037 :   if (gfc_inline_intrinsic_function_p (expr))
   12397         8334 :     return walk_inline_intrinsic_function (ss, expr);
   12398              : 
   12399        24703 :   if (expr->rank != 0 && gfc_is_intrinsic_libcall (expr))
   12400        13529 :     return gfc_walk_intrinsic_libfunc (ss, expr);
   12401              : 
   12402              :   /* Special cases.  */
   12403        11174 :   switch (isym->id)
   12404              :     {
   12405        10185 :     case GFC_ISYM_COSHAPE:
   12406        10185 :     case GFC_ISYM_LBOUND:
   12407        10185 :     case GFC_ISYM_LCOBOUND:
   12408        10185 :     case GFC_ISYM_UBOUND:
   12409        10185 :     case GFC_ISYM_UCOBOUND:
   12410        10185 :     case GFC_ISYM_THIS_IMAGE:
   12411        10185 :     case GFC_ISYM_SHAPE:
   12412        10185 :       return gfc_walk_intrinsic_bound (ss, expr);
   12413              : 
   12414          989 :     case GFC_ISYM_TRANSFER:
   12415          989 :     case GFC_ISYM_CAF_GET:
   12416          989 :       return gfc_walk_intrinsic_libfunc (ss, expr);
   12417              : 
   12418            0 :     default:
   12419              :       /* This probably meant someone forgot to add an intrinsic to the above
   12420              :          list(s) when they implemented it, or something's gone horribly
   12421              :          wrong.  */
   12422            0 :       gcc_unreachable ();
   12423              :     }
   12424              : }
   12425              : 
   12426              : static tree
   12427           91 : conv_co_collective (gfc_code *code)
   12428              : {
   12429           91 :   gfc_se argse;
   12430           91 :   stmtblock_t block, post_block;
   12431           91 :   tree fndecl, array = NULL_TREE, strlen, image_index, stat, errmsg, errmsg_len;
   12432           91 :   gfc_expr *image_idx_expr, *stat_expr, *errmsg_expr, *opr_expr;
   12433              : 
   12434           91 :   gfc_start_block (&block);
   12435           91 :   gfc_init_block (&post_block);
   12436              : 
   12437           91 :   if (code->resolved_isym->id == GFC_ISYM_CO_REDUCE)
   12438              :     {
   12439           17 :       opr_expr = code->ext.actual->next->expr;
   12440           17 :       image_idx_expr = code->ext.actual->next->next->expr;
   12441           17 :       stat_expr = code->ext.actual->next->next->next->expr;
   12442           17 :       errmsg_expr = code->ext.actual->next->next->next->next->expr;
   12443              :     }
   12444              :   else
   12445              :     {
   12446           74 :       opr_expr = NULL;
   12447           74 :       image_idx_expr = code->ext.actual->next->expr;
   12448           74 :       stat_expr = code->ext.actual->next->next->expr;
   12449           74 :       errmsg_expr = code->ext.actual->next->next->next->expr;
   12450              :     }
   12451              : 
   12452              :   /* stat.  */
   12453           91 :   if (stat_expr)
   12454              :     {
   12455           59 :       gfc_init_se (&argse, NULL);
   12456           59 :       gfc_conv_expr (&argse, stat_expr);
   12457           59 :       gfc_add_block_to_block (&block, &argse.pre);
   12458           59 :       gfc_add_block_to_block (&post_block, &argse.post);
   12459           59 :       stat = argse.expr;
   12460           59 :       if (flag_coarray != GFC_FCOARRAY_SINGLE)
   12461           32 :         stat = gfc_build_addr_expr (NULL_TREE, stat);
   12462              :     }
   12463           32 :   else if (flag_coarray == GFC_FCOARRAY_SINGLE)
   12464              :     stat = NULL_TREE;
   12465              :   else
   12466           22 :     stat = null_pointer_node;
   12467              : 
   12468              :   /* Early exit for GFC_FCOARRAY_SINGLE.  */
   12469           91 :   if (flag_coarray == GFC_FCOARRAY_SINGLE)
   12470              :     {
   12471           37 :       if (stat != NULL_TREE)
   12472              :         {
   12473              :           /* For optional stats, check the pointer is valid before zero'ing.  */
   12474           27 :           if (gfc_expr_attr (stat_expr).optional)
   12475              :             {
   12476           12 :               tree tmp;
   12477           12 :               stmtblock_t ass_block;
   12478           12 :               gfc_start_block (&ass_block);
   12479           12 :               gfc_add_modify (&ass_block, stat,
   12480           12 :                               fold_convert (TREE_TYPE (stat),
   12481              :                                             integer_zero_node));
   12482           12 :               tmp = fold_build2 (NE_EXPR, logical_type_node,
   12483              :                                  gfc_build_addr_expr (NULL_TREE, stat),
   12484              :                                  null_pointer_node);
   12485           12 :               tmp = fold_build3 (COND_EXPR, void_type_node, tmp,
   12486              :                                  gfc_finish_block (&ass_block),
   12487              :                                  build_empty_stmt (input_location));
   12488           12 :               gfc_add_expr_to_block (&block, tmp);
   12489              :             }
   12490              :           else
   12491           15 :             gfc_add_modify (&block, stat,
   12492           15 :                             fold_convert (TREE_TYPE (stat), integer_zero_node));
   12493              :         }
   12494           37 :       return gfc_finish_block (&block);
   12495              :     }
   12496              : 
   12497            5 :   gfc_symbol *derived = code->ext.actual->expr->ts.type == BT_DERIVED
   12498           54 :     ? code->ext.actual->expr->ts.u.derived : NULL;
   12499              : 
   12500              :   /* Handle the array.  */
   12501           54 :   gfc_init_se (&argse, NULL);
   12502           54 :   if (!derived || !derived->attr.alloc_comp
   12503            1 :       || code->resolved_isym->id != GFC_ISYM_CO_BROADCAST)
   12504              :     {
   12505           53 :       if (code->ext.actual->expr->rank == 0)
   12506              :         {
   12507           22 :           symbol_attribute attr;
   12508           22 :           gfc_clear_attr (&attr);
   12509           22 :           gfc_init_se (&argse, NULL);
   12510           22 :           gfc_conv_expr (&argse, code->ext.actual->expr);
   12511           22 :           gfc_add_block_to_block (&block, &argse.pre);
   12512           22 :           gfc_add_block_to_block (&post_block, &argse.post);
   12513           22 :           array = gfc_conv_scalar_to_descriptor (&argse, argse.expr, attr);
   12514           22 :           array = gfc_build_addr_expr (NULL_TREE, array);
   12515              :         }
   12516              :       else
   12517              :         {
   12518           31 :           argse.want_pointer = 1;
   12519           31 :           gfc_conv_expr_descriptor (&argse, code->ext.actual->expr);
   12520           31 :           array = argse.expr;
   12521              :         }
   12522              :     }
   12523              : 
   12524           54 :   gfc_add_block_to_block (&block, &argse.pre);
   12525           54 :   gfc_add_block_to_block (&post_block, &argse.post);
   12526              : 
   12527           54 :   if (code->ext.actual->expr->ts.type == BT_CHARACTER)
   12528           15 :     strlen = argse.string_length;
   12529              :   else
   12530           39 :     strlen = integer_zero_node;
   12531              : 
   12532              :   /* image_index.  */
   12533           54 :   if (image_idx_expr)
   12534              :     {
   12535           35 :       gfc_init_se (&argse, NULL);
   12536           35 :       gfc_conv_expr (&argse, image_idx_expr);
   12537           35 :       gfc_add_block_to_block (&block, &argse.pre);
   12538           35 :       gfc_add_block_to_block (&post_block, &argse.post);
   12539           35 :       image_index = fold_convert (integer_type_node, argse.expr);
   12540              :     }
   12541              :   else
   12542           19 :     image_index = integer_zero_node;
   12543              : 
   12544              :   /* errmsg.  */
   12545           54 :   if (errmsg_expr)
   12546              :     {
   12547           25 :       gfc_init_se (&argse, NULL);
   12548           25 :       gfc_conv_expr (&argse, errmsg_expr);
   12549           25 :       gfc_add_block_to_block (&block, &argse.pre);
   12550           25 :       gfc_add_block_to_block (&post_block, &argse.post);
   12551           25 :       errmsg = argse.expr;
   12552           25 :       errmsg_len = fold_convert (size_type_node, argse.string_length);
   12553              :     }
   12554              :   else
   12555              :     {
   12556           29 :       errmsg = null_pointer_node;
   12557           29 :       errmsg_len = build_zero_cst (size_type_node);
   12558              :     }
   12559              : 
   12560              :   /* Generate the function call.  */
   12561           54 :   switch (code->resolved_isym->id)
   12562              :     {
   12563           20 :     case GFC_ISYM_CO_BROADCAST:
   12564           20 :       fndecl = gfor_fndecl_co_broadcast;
   12565           20 :       break;
   12566            8 :     case GFC_ISYM_CO_MAX:
   12567            8 :       fndecl = gfor_fndecl_co_max;
   12568            8 :       break;
   12569            6 :     case GFC_ISYM_CO_MIN:
   12570            6 :       fndecl = gfor_fndecl_co_min;
   12571            6 :       break;
   12572           12 :     case GFC_ISYM_CO_REDUCE:
   12573           12 :       fndecl = gfor_fndecl_co_reduce;
   12574           12 :       break;
   12575            8 :     case GFC_ISYM_CO_SUM:
   12576            8 :       fndecl = gfor_fndecl_co_sum;
   12577            8 :       break;
   12578            0 :     default:
   12579            0 :       gcc_unreachable ();
   12580              :     }
   12581              : 
   12582           54 :   if (derived && derived->attr.alloc_comp
   12583            1 :       && code->resolved_isym->id == GFC_ISYM_CO_BROADCAST)
   12584              :     /* The derived type has the attribute 'alloc_comp'.  */
   12585              :     {
   12586            2 :       tree tmp = gfc_bcast_alloc_comp (derived, code->ext.actual->expr,
   12587            1 :                                        code->ext.actual->expr->rank,
   12588              :                                        image_index, stat, errmsg, errmsg_len);
   12589            1 :       gfc_add_expr_to_block (&block, tmp);
   12590            1 :     }
   12591              :   else
   12592              :     {
   12593           53 :       if (code->resolved_isym->id == GFC_ISYM_CO_SUM
   12594           45 :           || code->resolved_isym->id == GFC_ISYM_CO_BROADCAST)
   12595           27 :         fndecl = build_call_expr_loc (input_location, fndecl, 5, array,
   12596              :                                       image_index, stat, errmsg, errmsg_len);
   12597           26 :       else if (code->resolved_isym->id != GFC_ISYM_CO_REDUCE)
   12598           14 :         fndecl = build_call_expr_loc (input_location, fndecl, 6, array,
   12599              :                                       image_index, stat, errmsg,
   12600              :                                       strlen, errmsg_len);
   12601              :       else
   12602              :         {
   12603           12 :           tree opr, opr_flags;
   12604              : 
   12605              :           // FIXME: Handle TS29113's bind(C) strings with descriptor.
   12606           12 :           int opr_flag_int;
   12607           12 :           if (gfc_is_proc_ptr_comp (opr_expr))
   12608              :             {
   12609            0 :               gfc_symbol *sym = gfc_get_proc_ptr_comp (opr_expr)->ts.interface;
   12610            0 :               opr_flag_int = sym->attr.dimension
   12611            0 :                 || (sym->ts.type == BT_CHARACTER
   12612            0 :                     && !sym->attr.is_bind_c)
   12613            0 :                 ? GFC_CAF_BYREF : 0;
   12614            0 :               opr_flag_int |= opr_expr->ts.type == BT_CHARACTER
   12615            0 :                 && !sym->attr.is_bind_c
   12616            0 :                 ? GFC_CAF_HIDDENLEN : 0;
   12617            0 :               opr_flag_int |= sym->formal->sym->attr.value
   12618            0 :                 ? GFC_CAF_ARG_VALUE : 0;
   12619              :             }
   12620              :           else
   12621              :             {
   12622           12 :               opr_flag_int = gfc_return_by_reference (opr_expr->symtree->n.sym)
   12623           12 :                 ? GFC_CAF_BYREF : 0;
   12624           24 :               opr_flag_int |= opr_expr->ts.type == BT_CHARACTER
   12625            0 :                 && !opr_expr->symtree->n.sym->attr.is_bind_c
   12626           12 :                 ? GFC_CAF_HIDDENLEN : 0;
   12627           12 :               opr_flag_int |= opr_expr->symtree->n.sym->formal->sym->attr.value
   12628           12 :                 ? GFC_CAF_ARG_VALUE : 0;
   12629              :             }
   12630           12 :           opr_flags = build_int_cst (integer_type_node, opr_flag_int);
   12631           12 :           gfc_conv_expr (&argse, opr_expr);
   12632           12 :           opr = argse.expr;
   12633           12 :           fndecl = build_call_expr_loc (input_location, fndecl, 8, array, opr,
   12634              :                                         opr_flags, image_index, stat, errmsg,
   12635              :                                         strlen, errmsg_len);
   12636              :         }
   12637              :     }
   12638              : 
   12639           54 :   gfc_add_expr_to_block (&block, fndecl);
   12640           54 :   gfc_add_block_to_block (&block, &post_block);
   12641              : 
   12642           54 :   return gfc_finish_block (&block);
   12643              : }
   12644              : 
   12645              : 
   12646              : static tree
   12647           95 : conv_intrinsic_atomic_op (gfc_code *code)
   12648              : {
   12649           95 :   gfc_se argse;
   12650           95 :   tree tmp, atom, value, old = NULL_TREE, stat = NULL_TREE;
   12651           95 :   stmtblock_t block, post_block;
   12652           95 :   gfc_expr *atom_expr = code->ext.actual->expr;
   12653           95 :   gfc_expr *stat_expr;
   12654           95 :   built_in_function fn;
   12655              : 
   12656           95 :   if (atom_expr->expr_type == EXPR_FUNCTION
   12657            0 :       && atom_expr->value.function.isym
   12658            0 :       && atom_expr->value.function.isym->id == GFC_ISYM_CAF_GET)
   12659            0 :     atom_expr = atom_expr->value.function.actual->expr;
   12660              : 
   12661           95 :   gfc_start_block (&block);
   12662           95 :   gfc_init_block (&post_block);
   12663              : 
   12664           95 :   gfc_init_se (&argse, NULL);
   12665           95 :   argse.want_pointer = 1;
   12666           95 :   gfc_conv_expr (&argse, atom_expr);
   12667           95 :   gfc_add_block_to_block (&block, &argse.pre);
   12668           95 :   gfc_add_block_to_block (&post_block, &argse.post);
   12669           95 :   atom = argse.expr;
   12670              : 
   12671           95 :   gfc_init_se (&argse, NULL);
   12672           95 :   if (flag_coarray == GFC_FCOARRAY_LIB
   12673           56 :       && code->ext.actual->next->expr->ts.kind == atom_expr->ts.kind)
   12674           54 :     argse.want_pointer = 1;
   12675           95 :   gfc_conv_expr (&argse, code->ext.actual->next->expr);
   12676           95 :   gfc_add_block_to_block (&block, &argse.pre);
   12677           95 :   gfc_add_block_to_block (&post_block, &argse.post);
   12678           95 :   value = argse.expr;
   12679              : 
   12680           95 :   switch (code->resolved_isym->id)
   12681              :     {
   12682           58 :     case GFC_ISYM_ATOMIC_ADD:
   12683           58 :     case GFC_ISYM_ATOMIC_AND:
   12684           58 :     case GFC_ISYM_ATOMIC_DEF:
   12685           58 :     case GFC_ISYM_ATOMIC_OR:
   12686           58 :     case GFC_ISYM_ATOMIC_XOR:
   12687           58 :       stat_expr = code->ext.actual->next->next->expr;
   12688           58 :       if (flag_coarray == GFC_FCOARRAY_LIB)
   12689           34 :         old = null_pointer_node;
   12690              :       break;
   12691           37 :     default:
   12692           37 :       gfc_init_se (&argse, NULL);
   12693           37 :       if (flag_coarray == GFC_FCOARRAY_LIB)
   12694           22 :         argse.want_pointer = 1;
   12695           37 :       gfc_conv_expr (&argse, code->ext.actual->next->next->expr);
   12696           37 :       gfc_add_block_to_block (&block, &argse.pre);
   12697           37 :       gfc_add_block_to_block (&post_block, &argse.post);
   12698           37 :       old = argse.expr;
   12699           37 :       stat_expr = code->ext.actual->next->next->next->expr;
   12700              :     }
   12701              : 
   12702              :   /* STAT=  */
   12703           95 :   if (stat_expr != NULL)
   12704              :     {
   12705           82 :       gcc_assert (stat_expr->expr_type == EXPR_VARIABLE);
   12706           82 :       gfc_init_se (&argse, NULL);
   12707           82 :       if (flag_coarray == GFC_FCOARRAY_LIB)
   12708           48 :         argse.want_pointer = 1;
   12709           82 :       gfc_conv_expr_val (&argse, stat_expr);
   12710           82 :       gfc_add_block_to_block (&block, &argse.pre);
   12711           82 :       gfc_add_block_to_block (&post_block, &argse.post);
   12712           82 :       stat = argse.expr;
   12713              :     }
   12714           13 :   else if (flag_coarray == GFC_FCOARRAY_LIB)
   12715            8 :     stat = null_pointer_node;
   12716              : 
   12717           95 :   if (flag_coarray == GFC_FCOARRAY_LIB)
   12718              :     {
   12719           56 :       tree image_index, caf_decl, offset, token;
   12720           56 :       int op;
   12721              : 
   12722           56 :       switch (code->resolved_isym->id)
   12723              :         {
   12724              :         case GFC_ISYM_ATOMIC_ADD:
   12725              :         case GFC_ISYM_ATOMIC_FETCH_ADD:
   12726              :           op = (int) GFC_CAF_ATOMIC_ADD;
   12727              :           break;
   12728           12 :         case GFC_ISYM_ATOMIC_AND:
   12729           12 :         case GFC_ISYM_ATOMIC_FETCH_AND:
   12730           12 :           op = (int) GFC_CAF_ATOMIC_AND;
   12731           12 :           break;
   12732           12 :         case GFC_ISYM_ATOMIC_OR:
   12733           12 :         case GFC_ISYM_ATOMIC_FETCH_OR:
   12734           12 :           op = (int) GFC_CAF_ATOMIC_OR;
   12735           12 :           break;
   12736           12 :         case GFC_ISYM_ATOMIC_XOR:
   12737           12 :         case GFC_ISYM_ATOMIC_FETCH_XOR:
   12738           12 :           op = (int) GFC_CAF_ATOMIC_XOR;
   12739           12 :           break;
   12740           11 :         case GFC_ISYM_ATOMIC_DEF:
   12741           11 :           op = 0;  /* Unused.  */
   12742           11 :           break;
   12743            0 :         default:
   12744            0 :           gcc_unreachable ();
   12745              :         }
   12746              : 
   12747           56 :       caf_decl = gfc_get_tree_for_caf_expr (atom_expr);
   12748           56 :       if (TREE_CODE (TREE_TYPE (caf_decl)) == REFERENCE_TYPE)
   12749            0 :         caf_decl = build_fold_indirect_ref_loc (input_location, caf_decl);
   12750              : 
   12751           56 :       if (gfc_is_coindexed (atom_expr))
   12752           48 :         image_index = gfc_caf_get_image_index (&block, atom_expr, caf_decl);
   12753              :       else
   12754            8 :         image_index = integer_zero_node;
   12755              : 
   12756              :       /* Ensure VALUE names addressable storage: taking the address of a
   12757              :          constant is invalid in C, and scalars need a temporary as well.  */
   12758           56 :       if (!POINTER_TYPE_P (TREE_TYPE (value)))
   12759              :         {
   12760           42 :           tree elem
   12761           42 :             = fold_convert (TREE_TYPE (TREE_TYPE (atom)), value);
   12762           42 :           elem = gfc_trans_force_lval (&block, elem);
   12763           42 :           value = gfc_build_addr_expr (NULL_TREE, elem);
   12764              :         }
   12765           14 :       else if (TREE_CODE (value) == ADDR_EXPR
   12766           14 :                && TREE_CONSTANT (TREE_OPERAND (value, 0)))
   12767              :         {
   12768            0 :           tree elem
   12769            0 :             = fold_convert (TREE_TYPE (TREE_TYPE (atom)),
   12770              :                             build_fold_indirect_ref (value));
   12771            0 :           elem = gfc_trans_force_lval (&block, elem);
   12772            0 :           value = gfc_build_addr_expr (NULL_TREE, elem);
   12773              :         }
   12774              : 
   12775           56 :       gfc_init_se (&argse, NULL);
   12776           56 :       gfc_get_caf_token_offset (&argse, &token, &offset, caf_decl, atom,
   12777              :                                 atom_expr);
   12778              : 
   12779           56 :       gfc_add_block_to_block (&block, &argse.pre);
   12780           56 :       if (code->resolved_isym->id == GFC_ISYM_ATOMIC_DEF)
   12781           11 :         tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_atomic_def, 7,
   12782              :                                    token, offset, image_index, value, stat,
   12783              :                                    build_int_cst (integer_type_node,
   12784           11 :                                                   (int) atom_expr->ts.type),
   12785              :                                    build_int_cst (integer_type_node,
   12786           11 :                                                   (int) atom_expr->ts.kind));
   12787              :       else
   12788           45 :         tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_atomic_op, 9,
   12789           45 :                                    build_int_cst (integer_type_node, op),
   12790              :                                    token, offset, image_index, value, old, stat,
   12791              :                                    build_int_cst (integer_type_node,
   12792           45 :                                                   (int) atom_expr->ts.type),
   12793              :                                    build_int_cst (integer_type_node,
   12794           45 :                                                   (int) atom_expr->ts.kind));
   12795              : 
   12796           56 :       gfc_add_expr_to_block (&block, tmp);
   12797           56 :       gfc_add_block_to_block (&block, &argse.post);
   12798           56 :       gfc_add_block_to_block (&block, &post_block);
   12799           56 :       return gfc_finish_block (&block);
   12800              :     }
   12801              : 
   12802              : 
   12803           39 :   switch (code->resolved_isym->id)
   12804              :     {
   12805              :     case GFC_ISYM_ATOMIC_ADD:
   12806              :     case GFC_ISYM_ATOMIC_FETCH_ADD:
   12807              :       fn = BUILT_IN_ATOMIC_FETCH_ADD_N;
   12808              :       break;
   12809            8 :     case GFC_ISYM_ATOMIC_AND:
   12810            8 :     case GFC_ISYM_ATOMIC_FETCH_AND:
   12811            8 :       fn = BUILT_IN_ATOMIC_FETCH_AND_N;
   12812            8 :       break;
   12813            9 :     case GFC_ISYM_ATOMIC_DEF:
   12814            9 :       fn = BUILT_IN_ATOMIC_STORE_N;
   12815            9 :       break;
   12816            8 :     case GFC_ISYM_ATOMIC_OR:
   12817            8 :     case GFC_ISYM_ATOMIC_FETCH_OR:
   12818            8 :       fn = BUILT_IN_ATOMIC_FETCH_OR_N;
   12819            8 :       break;
   12820            8 :     case GFC_ISYM_ATOMIC_XOR:
   12821            8 :     case GFC_ISYM_ATOMIC_FETCH_XOR:
   12822            8 :       fn = BUILT_IN_ATOMIC_FETCH_XOR_N;
   12823            8 :       break;
   12824            0 :     default:
   12825            0 :       gcc_unreachable ();
   12826              :     }
   12827              : 
   12828           39 :   tmp = TREE_TYPE (TREE_TYPE (atom));
   12829           78 :   fn = (built_in_function) ((int) fn
   12830           39 :                             + exact_log2 (tree_to_uhwi (TYPE_SIZE_UNIT (tmp)))
   12831           39 :                             + 1);
   12832           39 :   tree itype = TREE_TYPE (TREE_TYPE (atom));
   12833           39 :   tmp = builtin_decl_explicit (fn);
   12834              : 
   12835           39 :   switch (code->resolved_isym->id)
   12836              :     {
   12837           24 :     case GFC_ISYM_ATOMIC_ADD:
   12838           24 :     case GFC_ISYM_ATOMIC_AND:
   12839           24 :     case GFC_ISYM_ATOMIC_DEF:
   12840           24 :     case GFC_ISYM_ATOMIC_OR:
   12841           24 :     case GFC_ISYM_ATOMIC_XOR:
   12842           24 :       tmp = build_call_expr_loc (input_location, tmp, 3, atom,
   12843              :                                  fold_convert (itype, value),
   12844              :                                  build_int_cst (integer_type_node, MEMMODEL_RELAXED));
   12845           24 :       gfc_add_expr_to_block (&block, tmp);
   12846           24 :       break;
   12847           15 :     default:
   12848           15 :       tmp = build_call_expr_loc (input_location, tmp, 3, atom,
   12849              :                                  fold_convert (itype, value),
   12850              :                                  build_int_cst (integer_type_node, MEMMODEL_RELAXED));
   12851           15 :       gfc_add_modify (&block, old, fold_convert (TREE_TYPE (old), tmp));
   12852           15 :       break;
   12853              :     }
   12854              : 
   12855           39 :   if (stat != NULL_TREE)
   12856           34 :     gfc_add_modify (&block, stat, build_int_cst (TREE_TYPE (stat), 0));
   12857           39 :   gfc_add_block_to_block (&block, &post_block);
   12858           39 :   return gfc_finish_block (&block);
   12859              : }
   12860              : 
   12861              : 
   12862              : static tree
   12863          176 : conv_intrinsic_atomic_ref (gfc_code *code)
   12864              : {
   12865          176 :   gfc_se argse;
   12866          176 :   tree tmp, atom, value, stat = NULL_TREE;
   12867          176 :   stmtblock_t block, post_block;
   12868          176 :   built_in_function fn;
   12869          176 :   gfc_expr *atom_expr = code->ext.actual->next->expr;
   12870              : 
   12871          176 :   if (atom_expr->expr_type == EXPR_FUNCTION
   12872            0 :       && atom_expr->value.function.isym
   12873            0 :       && atom_expr->value.function.isym->id == GFC_ISYM_CAF_GET)
   12874            0 :     atom_expr = atom_expr->value.function.actual->expr;
   12875              : 
   12876          176 :   gfc_start_block (&block);
   12877          176 :   gfc_init_block (&post_block);
   12878          176 :   gfc_init_se (&argse, NULL);
   12879          176 :   argse.want_pointer = 1;
   12880          176 :   gfc_conv_expr (&argse, atom_expr);
   12881          176 :   gfc_add_block_to_block (&block, &argse.pre);
   12882          176 :   gfc_add_block_to_block (&post_block, &argse.post);
   12883          176 :   atom = argse.expr;
   12884              : 
   12885          176 :   gfc_init_se (&argse, NULL);
   12886          176 :   if (flag_coarray == GFC_FCOARRAY_LIB
   12887          115 :       && code->ext.actual->expr->ts.kind == atom_expr->ts.kind)
   12888          109 :     argse.want_pointer = 1;
   12889          176 :   gfc_conv_expr (&argse, code->ext.actual->expr);
   12890          176 :   gfc_add_block_to_block (&block, &argse.pre);
   12891          176 :   gfc_add_block_to_block (&post_block, &argse.post);
   12892          176 :   value = argse.expr;
   12893              : 
   12894              :   /* STAT=  */
   12895          176 :   if (code->ext.actual->next->next->expr != NULL)
   12896              :     {
   12897          164 :       gcc_assert (code->ext.actual->next->next->expr->expr_type
   12898              :                   == EXPR_VARIABLE);
   12899          164 :       gfc_init_se (&argse, NULL);
   12900          164 :       if (flag_coarray == GFC_FCOARRAY_LIB)
   12901          108 :         argse.want_pointer = 1;
   12902          164 :       gfc_conv_expr_val (&argse, code->ext.actual->next->next->expr);
   12903          164 :       gfc_add_block_to_block (&block, &argse.pre);
   12904          164 :       gfc_add_block_to_block (&post_block, &argse.post);
   12905          164 :       stat = argse.expr;
   12906              :     }
   12907           12 :   else if (flag_coarray == GFC_FCOARRAY_LIB)
   12908            7 :     stat = null_pointer_node;
   12909              : 
   12910          176 :   if (flag_coarray == GFC_FCOARRAY_LIB)
   12911              :     {
   12912          115 :       tree image_index, caf_decl, offset, token;
   12913          115 :       tree orig_value = NULL_TREE, vardecl = NULL_TREE;
   12914              : 
   12915          115 :       caf_decl = gfc_get_tree_for_caf_expr (atom_expr);
   12916          115 :       if (TREE_CODE (TREE_TYPE (caf_decl)) == REFERENCE_TYPE)
   12917            0 :         caf_decl = build_fold_indirect_ref_loc (input_location, caf_decl);
   12918              : 
   12919          115 :       if (gfc_is_coindexed (atom_expr))
   12920          103 :         image_index = gfc_caf_get_image_index (&block, atom_expr, caf_decl);
   12921              :       else
   12922           12 :         image_index = integer_zero_node;
   12923              : 
   12924          115 :       gfc_init_se (&argse, NULL);
   12925          115 :       gfc_get_caf_token_offset (&argse, &token, &offset, caf_decl, atom,
   12926              :                                 atom_expr);
   12927          115 :       gfc_add_block_to_block (&block, &argse.pre);
   12928              : 
   12929              :       /* Different type, need type conversion.  */
   12930          115 :       if (!POINTER_TYPE_P (TREE_TYPE (value)))
   12931              :         {
   12932            6 :           vardecl = gfc_create_var (TREE_TYPE (TREE_TYPE (atom)), "value");
   12933            6 :           orig_value = value;
   12934            6 :           value = gfc_build_addr_expr (NULL_TREE, vardecl);
   12935              :         }
   12936              : 
   12937          115 :       tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_atomic_ref, 7,
   12938              :                                  token, offset, image_index, value, stat,
   12939              :                                  build_int_cst (integer_type_node,
   12940          115 :                                                 (int) atom_expr->ts.type),
   12941              :                                  build_int_cst (integer_type_node,
   12942          115 :                                                 (int) atom_expr->ts.kind));
   12943          115 :       gfc_add_expr_to_block (&block, tmp);
   12944          115 :       if (vardecl != NULL_TREE)
   12945            6 :         gfc_add_modify (&block, orig_value,
   12946            6 :                         fold_convert (TREE_TYPE (orig_value), vardecl));
   12947          115 :       gfc_add_block_to_block (&block, &argse.post);
   12948          115 :       gfc_add_block_to_block (&block, &post_block);
   12949          115 :       return gfc_finish_block (&block);
   12950              :     }
   12951              : 
   12952           61 :   tmp = TREE_TYPE (TREE_TYPE (atom));
   12953          122 :   fn = (built_in_function) ((int) BUILT_IN_ATOMIC_LOAD_N
   12954           61 :                             + exact_log2 (tree_to_uhwi (TYPE_SIZE_UNIT (tmp)))
   12955           61 :                             + 1);
   12956           61 :   tmp = builtin_decl_explicit (fn);
   12957           61 :   tmp = build_call_expr_loc (input_location, tmp, 2, atom,
   12958              :                              build_int_cst (integer_type_node,
   12959              :                                             MEMMODEL_RELAXED));
   12960           61 :   gfc_add_modify (&block, value, fold_convert (TREE_TYPE (value), tmp));
   12961              : 
   12962           61 :   if (stat != NULL_TREE)
   12963           56 :     gfc_add_modify (&block, stat, build_int_cst (TREE_TYPE (stat), 0));
   12964           61 :   gfc_add_block_to_block (&block, &post_block);
   12965           61 :   return gfc_finish_block (&block);
   12966              : }
   12967              : 
   12968              : 
   12969              : static tree
   12970           14 : conv_intrinsic_atomic_cas (gfc_code *code)
   12971              : {
   12972           14 :   gfc_se argse;
   12973           14 :   tree tmp, atom, old, new_val, comp, stat = NULL_TREE;
   12974           14 :   stmtblock_t block, post_block;
   12975           14 :   built_in_function fn;
   12976           14 :   gfc_expr *atom_expr = code->ext.actual->expr;
   12977              : 
   12978           14 :   if (atom_expr->expr_type == EXPR_FUNCTION
   12979            0 :       && atom_expr->value.function.isym
   12980            0 :       && atom_expr->value.function.isym->id == GFC_ISYM_CAF_GET)
   12981            0 :     atom_expr = atom_expr->value.function.actual->expr;
   12982              : 
   12983           14 :   gfc_init_block (&block);
   12984           14 :   gfc_init_block (&post_block);
   12985           14 :   gfc_init_se (&argse, NULL);
   12986           14 :   argse.want_pointer = 1;
   12987           14 :   gfc_conv_expr (&argse, atom_expr);
   12988           14 :   atom = argse.expr;
   12989              : 
   12990           14 :   gfc_init_se (&argse, NULL);
   12991           14 :   if (flag_coarray == GFC_FCOARRAY_LIB)
   12992            8 :     argse.want_pointer = 1;
   12993           14 :   gfc_conv_expr (&argse, code->ext.actual->next->expr);
   12994           14 :   gfc_add_block_to_block (&block, &argse.pre);
   12995           14 :   gfc_add_block_to_block (&post_block, &argse.post);
   12996           14 :   old = argse.expr;
   12997              : 
   12998           14 :   gfc_init_se (&argse, NULL);
   12999           14 :   if (flag_coarray == GFC_FCOARRAY_LIB)
   13000            8 :     argse.want_pointer = 1;
   13001           14 :   gfc_conv_expr (&argse, code->ext.actual->next->next->expr);
   13002           14 :   gfc_add_block_to_block (&block, &argse.pre);
   13003           14 :   gfc_add_block_to_block (&post_block, &argse.post);
   13004           14 :   comp = argse.expr;
   13005              : 
   13006           14 :   gfc_init_se (&argse, NULL);
   13007           14 :   if (flag_coarray == GFC_FCOARRAY_LIB
   13008            8 :       && code->ext.actual->next->next->next->expr->ts.kind
   13009            8 :          == atom_expr->ts.kind)
   13010            8 :     argse.want_pointer = 1;
   13011           14 :   gfc_conv_expr (&argse, code->ext.actual->next->next->next->expr);
   13012           14 :   gfc_add_block_to_block (&block, &argse.pre);
   13013           14 :   gfc_add_block_to_block (&post_block, &argse.post);
   13014           14 :   new_val = argse.expr;
   13015              : 
   13016              :   /* STAT=  */
   13017           14 :   if (code->ext.actual->next->next->next->next->expr != NULL)
   13018              :     {
   13019           14 :       gcc_assert (code->ext.actual->next->next->next->next->expr->expr_type
   13020              :                   == EXPR_VARIABLE);
   13021           14 :       gfc_init_se (&argse, NULL);
   13022           14 :       if (flag_coarray == GFC_FCOARRAY_LIB)
   13023            8 :         argse.want_pointer = 1;
   13024           14 :       gfc_conv_expr_val (&argse,
   13025           14 :                          code->ext.actual->next->next->next->next->expr);
   13026           14 :       gfc_add_block_to_block (&block, &argse.pre);
   13027           14 :       gfc_add_block_to_block (&post_block, &argse.post);
   13028           14 :       stat = argse.expr;
   13029              :     }
   13030            0 :   else if (flag_coarray == GFC_FCOARRAY_LIB)
   13031            0 :     stat = null_pointer_node;
   13032              : 
   13033           14 :   if (flag_coarray == GFC_FCOARRAY_LIB)
   13034              :     {
   13035            8 :       tree image_index, caf_decl, offset, token;
   13036              : 
   13037            8 :       caf_decl = gfc_get_tree_for_caf_expr (atom_expr);
   13038            8 :       if (TREE_CODE (TREE_TYPE (caf_decl)) == REFERENCE_TYPE)
   13039            0 :         caf_decl = build_fold_indirect_ref_loc (input_location, caf_decl);
   13040              : 
   13041            8 :       if (gfc_is_coindexed (atom_expr))
   13042            8 :         image_index = gfc_caf_get_image_index (&block, atom_expr, caf_decl);
   13043              :       else
   13044            0 :         image_index = integer_zero_node;
   13045              : 
   13046            8 :       if (TREE_TYPE (TREE_TYPE (new_val)) != TREE_TYPE (TREE_TYPE (old)))
   13047              :         {
   13048            0 :           tmp = gfc_create_var (TREE_TYPE (TREE_TYPE (old)), "new");
   13049            0 :           gfc_add_modify (&block, tmp, fold_convert (TREE_TYPE (tmp), new_val));
   13050            0 :           new_val = gfc_build_addr_expr (NULL_TREE, tmp);
   13051              :         }
   13052              : 
   13053            8 :       gfc_init_se (&argse, NULL);
   13054            8 :       gfc_get_caf_token_offset (&argse, &token, &offset, caf_decl, atom,
   13055              :                                 atom_expr);
   13056            8 :       gfc_add_block_to_block (&block, &argse.pre);
   13057              : 
   13058            8 :       tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_atomic_cas, 9,
   13059              :                                  token, offset, image_index, old, comp, new_val,
   13060              :                                  stat, build_int_cst (integer_type_node,
   13061            8 :                                                       (int) atom_expr->ts.type),
   13062              :                                  build_int_cst (integer_type_node,
   13063            8 :                                                 (int) atom_expr->ts.kind));
   13064            8 :       gfc_add_expr_to_block (&block, tmp);
   13065            8 :       gfc_add_block_to_block (&block, &argse.post);
   13066            8 :       gfc_add_block_to_block (&block, &post_block);
   13067            8 :       return gfc_finish_block (&block);
   13068              :     }
   13069              : 
   13070            6 :   tmp = TREE_TYPE (TREE_TYPE (atom));
   13071           12 :   fn = (built_in_function) ((int) BUILT_IN_ATOMIC_COMPARE_EXCHANGE_N
   13072            6 :                             + exact_log2 (tree_to_uhwi (TYPE_SIZE_UNIT (tmp)))
   13073            6 :                             + 1);
   13074            6 :   tmp = builtin_decl_explicit (fn);
   13075              : 
   13076            6 :   gfc_add_modify (&block, old, comp);
   13077           12 :   tmp = build_call_expr_loc (input_location, tmp, 6, atom,
   13078              :                              gfc_build_addr_expr (NULL, old),
   13079            6 :                              fold_convert (TREE_TYPE (old), new_val),
   13080              :                              boolean_false_node,
   13081              :                              build_int_cst (integer_type_node, MEMMODEL_RELAXED),
   13082              :                              build_int_cst (integer_type_node, MEMMODEL_RELAXED));
   13083            6 :   gfc_add_expr_to_block (&block, tmp);
   13084              : 
   13085            6 :   if (stat != NULL_TREE)
   13086            6 :     gfc_add_modify (&block, stat, build_int_cst (TREE_TYPE (stat), 0));
   13087            6 :   gfc_add_block_to_block (&block, &post_block);
   13088            6 :   return gfc_finish_block (&block);
   13089              : }
   13090              : 
   13091              : static tree
   13092          105 : conv_intrinsic_event_query (gfc_code *code)
   13093              : {
   13094          105 :   gfc_se se, argse;
   13095          105 :   tree stat = NULL_TREE, stat2 = NULL_TREE;
   13096          105 :   tree count = NULL_TREE, count2 = NULL_TREE;
   13097              : 
   13098          105 :   gfc_expr *event_expr = code->ext.actual->expr;
   13099              : 
   13100          105 :   if (code->ext.actual->next->next->expr)
   13101              :     {
   13102           18 :       gcc_assert (code->ext.actual->next->next->expr->expr_type
   13103              :                   == EXPR_VARIABLE);
   13104           18 :       gfc_init_se (&argse, NULL);
   13105           18 :       gfc_conv_expr_val (&argse, code->ext.actual->next->next->expr);
   13106           18 :       stat = argse.expr;
   13107              :     }
   13108           87 :   else if (flag_coarray == GFC_FCOARRAY_LIB)
   13109           58 :     stat = null_pointer_node;
   13110              : 
   13111          105 :   if (code->ext.actual->next->expr)
   13112              :     {
   13113          105 :       gcc_assert (code->ext.actual->next->expr->expr_type == EXPR_VARIABLE);
   13114          105 :       gfc_init_se (&argse, NULL);
   13115          105 :       gfc_conv_expr_val (&argse, code->ext.actual->next->expr);
   13116          105 :       count = argse.expr;
   13117              :     }
   13118              : 
   13119          105 :   gfc_start_block (&se.pre);
   13120          105 :   if (flag_coarray == GFC_FCOARRAY_LIB)
   13121              :     {
   13122           70 :       tree tmp, token, image_index;
   13123           70 :       tree index = build_zero_cst (gfc_array_index_type);
   13124              : 
   13125           70 :       if (event_expr->expr_type == EXPR_FUNCTION
   13126            0 :           && event_expr->value.function.isym
   13127            0 :           && event_expr->value.function.isym->id == GFC_ISYM_CAF_GET)
   13128            0 :         event_expr = event_expr->value.function.actual->expr;
   13129              : 
   13130           70 :       tree caf_decl = gfc_get_tree_for_caf_expr (event_expr);
   13131              : 
   13132           70 :       if (event_expr->symtree->n.sym->ts.type != BT_DERIVED
   13133           70 :           || event_expr->symtree->n.sym->ts.u.derived->from_intmod
   13134              :              != INTMOD_ISO_FORTRAN_ENV
   13135           70 :           || event_expr->symtree->n.sym->ts.u.derived->intmod_sym_id
   13136              :              != ISOFORTRAN_EVENT_TYPE)
   13137              :         {
   13138            0 :           gfc_error ("Sorry, the event component of derived type at %L is not "
   13139              :                      "yet supported", &event_expr->where);
   13140            0 :           return NULL_TREE;
   13141              :         }
   13142              : 
   13143           70 :       if (gfc_is_coindexed (event_expr))
   13144              :         {
   13145            0 :           gfc_error ("The event variable at %L shall not be coindexed",
   13146              :                      &event_expr->where);
   13147            0 :           return NULL_TREE;
   13148              :         }
   13149              : 
   13150           70 :       image_index = integer_zero_node;
   13151              : 
   13152           70 :       gfc_get_caf_token_offset (&se, &token, NULL, caf_decl, NULL_TREE,
   13153              :                                 event_expr);
   13154              : 
   13155              :       /* For arrays, obtain the array index.  */
   13156           70 :       if (gfc_expr_attr (event_expr).dimension)
   13157              :         {
   13158           52 :           tree desc, tmp, extent, lbound, ubound;
   13159           52 :           gfc_array_ref *ar, ar2;
   13160           52 :           int i;
   13161              : 
   13162              :           /* TODO: Extend this, once DT components are supported.  */
   13163           52 :           ar = &event_expr->ref->u.ar;
   13164           52 :           ar2 = *ar;
   13165           52 :           memset (ar, '\0', sizeof (*ar));
   13166           52 :           ar->as = ar2.as;
   13167           52 :           ar->type = AR_FULL;
   13168              : 
   13169           52 :           gfc_init_se (&argse, NULL);
   13170           52 :           argse.descriptor_only = 1;
   13171           52 :           gfc_conv_expr_descriptor (&argse, event_expr);
   13172           52 :           gfc_add_block_to_block (&se.pre, &argse.pre);
   13173           52 :           desc = argse.expr;
   13174           52 :           *ar = ar2;
   13175              : 
   13176           52 :           extent = build_one_cst (gfc_array_index_type);
   13177          156 :           for (i = 0; i < ar->dimen; i++)
   13178              :             {
   13179           52 :               gfc_init_se (&argse, NULL);
   13180           52 :               gfc_conv_expr_type (&argse, ar->start[i], gfc_array_index_type);
   13181           52 :               gfc_add_block_to_block (&argse.pre, &argse.pre);
   13182           52 :               lbound = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[i]);
   13183           52 :               tmp = fold_build2_loc (input_location, MINUS_EXPR,
   13184           52 :                                      TREE_TYPE (lbound), argse.expr, lbound);
   13185           52 :               tmp = fold_build2_loc (input_location, MULT_EXPR,
   13186           52 :                                      TREE_TYPE (tmp), extent, tmp);
   13187           52 :               index = fold_build2_loc (input_location, PLUS_EXPR,
   13188           52 :                                        TREE_TYPE (tmp), index, tmp);
   13189           52 :               if (i < ar->dimen - 1)
   13190              :                 {
   13191            0 :                   ubound = gfc_conv_descriptor_ubound_get (desc, gfc_rank_cst[i]);
   13192            0 :                   tmp = gfc_conv_array_extent_dim (lbound, ubound, NULL);
   13193            0 :                   extent = fold_build2_loc (input_location, MULT_EXPR,
   13194            0 :                                             TREE_TYPE (tmp), extent, tmp);
   13195              :                 }
   13196              :             }
   13197              :         }
   13198              : 
   13199           70 :       if (count != null_pointer_node && TREE_TYPE (count) != integer_type_node)
   13200              :         {
   13201            0 :           count2 = count;
   13202            0 :           count = gfc_create_var (integer_type_node, "count");
   13203              :         }
   13204              : 
   13205           70 :       if (stat != null_pointer_node && TREE_TYPE (stat) != integer_type_node)
   13206              :         {
   13207            0 :           stat2 = stat;
   13208            0 :           stat = gfc_create_var (integer_type_node, "stat");
   13209              :         }
   13210              : 
   13211           70 :       index = fold_convert (size_type_node, index);
   13212          140 :       tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_event_query, 5,
   13213              :                                    token, index, image_index, count
   13214           70 :                                    ? gfc_build_addr_expr (NULL, count) : count,
   13215           70 :                                    stat != null_pointer_node
   13216           12 :                                    ? gfc_build_addr_expr (NULL, stat) : stat);
   13217           70 :       gfc_add_expr_to_block (&se.pre, tmp);
   13218              : 
   13219           70 :       if (count2 != NULL_TREE)
   13220            0 :         gfc_add_modify (&se.pre, count2,
   13221            0 :                         fold_convert (TREE_TYPE (count2), count));
   13222              : 
   13223           70 :       if (stat2 != NULL_TREE)
   13224            0 :         gfc_add_modify (&se.pre, stat2,
   13225            0 :                         fold_convert (TREE_TYPE (stat2), stat));
   13226              : 
   13227           70 :       return gfc_finish_block (&se.pre);
   13228              :     }
   13229              : 
   13230           35 :   gfc_init_se (&argse, NULL);
   13231           35 :   gfc_conv_expr_val (&argse, code->ext.actual->expr);
   13232           35 :   gfc_add_modify (&se.pre, count, fold_convert (TREE_TYPE (count), argse.expr));
   13233              : 
   13234           35 :   if (stat != NULL_TREE)
   13235            6 :     gfc_add_modify (&se.pre, stat, build_int_cst (TREE_TYPE (stat), 0));
   13236              : 
   13237           35 :   return gfc_finish_block (&se.pre);
   13238              : }
   13239              : 
   13240              : 
   13241              : /* This is a peculiar case because of the need to do dependency checking.
   13242              :    It is called via trans-stmt.cc(gfc_trans_call), where it is picked out as
   13243              :    a special case and this function called instead of
   13244              :    gfc_conv_procedure_call.  */
   13245              : void
   13246          197 : gfc_conv_intrinsic_mvbits (gfc_se *se, gfc_actual_arglist *actual_args,
   13247              :                            gfc_loopinfo *loop)
   13248              : {
   13249          197 :   gfc_actual_arglist *actual;
   13250          197 :   gfc_se argse[5];
   13251          197 :   gfc_expr *arg[5];
   13252          197 :   gfc_ss *lss;
   13253          197 :   int n;
   13254              : 
   13255          197 :   tree from, frompos, len, to, topos;
   13256          197 :   tree lenmask, oldbits, newbits, bitsize;
   13257          197 :   tree type, utype, above, mask1, mask2;
   13258              : 
   13259          197 :   if (loop)
   13260           67 :     lss = loop->ss;
   13261              :   else
   13262          130 :     lss = gfc_ss_terminator;
   13263              : 
   13264          197 :   actual = actual_args;
   13265         1182 :   for (n = 0; n < 5; n++, actual = actual->next)
   13266              :     {
   13267          985 :       arg[n] = actual->expr;
   13268          985 :       gfc_init_se (&argse[n], NULL);
   13269              : 
   13270          985 :       if (lss != gfc_ss_terminator)
   13271              :         {
   13272          335 :           gfc_copy_loopinfo_to_se (&argse[n], loop);
   13273              :           /* Find the ss for the expression if it is there.  */
   13274          335 :           argse[n].ss = lss;
   13275          335 :           gfc_mark_ss_chain_used (lss, 1);
   13276              :         }
   13277              : 
   13278          985 :       gfc_conv_expr (&argse[n], arg[n]);
   13279              : 
   13280          985 :       if (loop)
   13281          335 :         lss = argse[n].ss;
   13282              :     }
   13283              : 
   13284          197 :   from    = argse[0].expr;
   13285          197 :   frompos = argse[1].expr;
   13286          197 :   len     = argse[2].expr;
   13287          197 :   to      = argse[3].expr;
   13288          197 :   topos   = argse[4].expr;
   13289              : 
   13290              :   /* The type of the result (TO).  */
   13291          197 :   type    = TREE_TYPE (to);
   13292          197 :   bitsize = build_int_cst (integer_type_node, TYPE_PRECISION (type));
   13293              : 
   13294              :   /* Optionally generate code for runtime argument check.  */
   13295          197 :   if (gfc_option.rtcheck & GFC_RTCHECK_BITS)
   13296              :     {
   13297           18 :       tree nbits, below, ccond;
   13298           18 :       tree fp = fold_convert (long_integer_type_node, frompos);
   13299           18 :       tree ln = fold_convert (long_integer_type_node, len);
   13300           18 :       tree tp = fold_convert (long_integer_type_node, topos);
   13301           18 :       below = fold_build2_loc (input_location, LT_EXPR,
   13302              :                                logical_type_node, frompos,
   13303           18 :                                build_int_cst (TREE_TYPE (frompos), 0));
   13304           18 :       above = fold_build2_loc (input_location, GT_EXPR,
   13305              :                                logical_type_node, frompos,
   13306           18 :                                fold_convert (TREE_TYPE (frompos), bitsize));
   13307           18 :       ccond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
   13308              :                                logical_type_node, below, above);
   13309           18 :       gfc_trans_runtime_check (true, false, ccond, &argse[1].pre,
   13310           18 :                                &arg[1]->where,
   13311              :                                "FROMPOS argument (%ld) out of range 0:%d "
   13312              :                                "in intrinsic MVBITS", fp, bitsize);
   13313           18 :       below = fold_build2_loc (input_location, LT_EXPR,
   13314              :                                logical_type_node, len,
   13315           18 :                                build_int_cst (TREE_TYPE (len), 0));
   13316           18 :       above = fold_build2_loc (input_location, GT_EXPR,
   13317              :                                logical_type_node, len,
   13318           18 :                                fold_convert (TREE_TYPE (len), bitsize));
   13319           18 :       ccond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
   13320              :                                logical_type_node, below, above);
   13321           18 :       gfc_trans_runtime_check (true, false, ccond, &argse[2].pre,
   13322           18 :                                &arg[2]->where,
   13323              :                                "LEN argument (%ld) out of range 0:%d "
   13324              :                                "in intrinsic MVBITS", ln, bitsize);
   13325           18 :       below = fold_build2_loc (input_location, LT_EXPR,
   13326              :                                logical_type_node, topos,
   13327           18 :                                build_int_cst (TREE_TYPE (topos), 0));
   13328           18 :       above = fold_build2_loc (input_location, GT_EXPR,
   13329              :                                logical_type_node, topos,
   13330           18 :                                fold_convert (TREE_TYPE (topos), bitsize));
   13331           18 :       ccond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
   13332              :                                logical_type_node, below, above);
   13333           18 :       gfc_trans_runtime_check (true, false, ccond, &argse[4].pre,
   13334           18 :                                &arg[4]->where,
   13335              :                                "TOPOS argument (%ld) out of range 0:%d "
   13336              :                                "in intrinsic MVBITS", tp, bitsize);
   13337              : 
   13338              :       /* The tests above ensure that FROMPOS, LEN and TOPOS fit into short
   13339              :          integers.  Additions below cannot overflow.  */
   13340           18 :       nbits = fold_convert (long_integer_type_node, bitsize);
   13341           18 :       above = fold_build2_loc (input_location, PLUS_EXPR,
   13342              :                                long_integer_type_node, fp, ln);
   13343           18 :       ccond = fold_build2_loc (input_location, GT_EXPR,
   13344              :                                logical_type_node, above, nbits);
   13345           18 :       gfc_trans_runtime_check (true, false, ccond, &argse[1].pre,
   13346              :                                &arg[1]->where,
   13347              :                                "FROMPOS(%ld)+LEN(%ld)>BIT_SIZE(%d) "
   13348              :                                "in intrinsic MVBITS", fp, ln, bitsize);
   13349           18 :       above = fold_build2_loc (input_location, PLUS_EXPR,
   13350              :                                long_integer_type_node, tp, ln);
   13351           18 :       ccond = fold_build2_loc (input_location, GT_EXPR,
   13352              :                                logical_type_node, above, nbits);
   13353           18 :       gfc_trans_runtime_check (true, false, ccond, &argse[4].pre,
   13354              :                                &arg[4]->where,
   13355              :                                "TOPOS(%ld)+LEN(%ld)>BIT_SIZE(%d) "
   13356              :                                "in intrinsic MVBITS", tp, ln, bitsize);
   13357              :     }
   13358              : 
   13359         1182 :   for (n = 0; n < 5; n++)
   13360              :     {
   13361          985 :       gfc_add_block_to_block (&se->pre, &argse[n].pre);
   13362          985 :       gfc_add_block_to_block (&se->post, &argse[n].post);
   13363              :     }
   13364              : 
   13365              :   /* lenmask = (LEN >= bit_size (TYPE)) ? ~(TYPE)0 : ((TYPE)1 << LEN) - 1  */
   13366          197 :   above = fold_build2_loc (input_location, GE_EXPR, logical_type_node,
   13367          197 :                            len, fold_convert (TREE_TYPE (len), bitsize));
   13368          197 :   mask1 = build_int_cst (type, -1);
   13369          197 :   mask2 = fold_build2_loc (input_location, LSHIFT_EXPR, type,
   13370              :                            build_int_cst (type, 1), len);
   13371          197 :   mask2 = fold_build2_loc (input_location, MINUS_EXPR, type,
   13372              :                            mask2, build_int_cst (type, 1));
   13373          197 :   lenmask = fold_build3_loc (input_location, COND_EXPR, type,
   13374              :                              above, mask1, mask2);
   13375              : 
   13376              :   /* newbits = (((UTYPE)(FROM) >> FROMPOS) & lenmask) << TOPOS.
   13377              :    * For valid frompos+len <= bit_size(FROM) the conversion to unsigned is
   13378              :    * not strictly necessary; artificial bits from rshift will be masked.  */
   13379          197 :   utype = unsigned_type_for (type);
   13380          197 :   newbits = fold_build2_loc (input_location, RSHIFT_EXPR, utype,
   13381              :                              fold_convert (utype, from), frompos);
   13382          197 :   newbits = fold_build2_loc (input_location, BIT_AND_EXPR, type,
   13383              :                              fold_convert (type, newbits), lenmask);
   13384          197 :   newbits = fold_build2_loc (input_location, LSHIFT_EXPR, type,
   13385              :                              newbits, topos);
   13386              : 
   13387              :   /* oldbits = TO & (~(lenmask << TOPOS)).  */
   13388          197 :   oldbits = fold_build2_loc (input_location, LSHIFT_EXPR, type,
   13389              :                              lenmask, topos);
   13390          197 :   oldbits = fold_build1_loc (input_location, BIT_NOT_EXPR, type, oldbits);
   13391          197 :   oldbits = fold_build2_loc (input_location, BIT_AND_EXPR, type, oldbits, to);
   13392              : 
   13393              :   /* TO = newbits | oldbits.  */
   13394          197 :   se->expr = fold_build2_loc (input_location, BIT_IOR_EXPR, type,
   13395              :                               oldbits, newbits);
   13396              : 
   13397              :   /* Return the assignment.  */
   13398          197 :   se->expr = fold_build2_loc (input_location, MODIFY_EXPR,
   13399              :                               void_type_node, to, se->expr);
   13400          197 : }
   13401              : 
   13402              : /* Comes from trans-stmt.cc, but we don't want the whole header included.  */
   13403              : extern void gfc_trans_sync_stat (struct sync_stat *sync_stat, gfc_se *se,
   13404              :                                  tree *stat, tree *errmsg, tree *errmsg_len);
   13405              : 
   13406              : static tree
   13407          269 : conv_intrinsic_move_alloc (gfc_code *code)
   13408              : {
   13409          269 :   stmtblock_t block;
   13410          269 :   gfc_expr *from_expr, *to_expr;
   13411          269 :   gfc_se from_se, to_se;
   13412          269 :   tree tmp, to_tree, from_tree, stat, errmsg, errmsg_len, fin_label = NULL_TREE;
   13413          269 :   bool coarray, from_is_class, from_is_scalar;
   13414          269 :   gfc_actual_arglist *arg = code->ext.actual;
   13415          269 :   sync_stat tmp_sync_stat = {nullptr, nullptr};
   13416              : 
   13417          269 :   gfc_start_block (&block);
   13418              : 
   13419          269 :   from_expr = arg->expr;
   13420          269 :   arg = arg->next;
   13421          269 :   to_expr = arg->expr;
   13422          269 :   arg = arg->next;
   13423              : 
   13424          807 :   while (arg)
   13425              :     {
   13426          538 :       if (arg->expr)
   13427              :         {
   13428            0 :           if (!strcmp ("stat", arg->name))
   13429            0 :             tmp_sync_stat.stat = arg->expr;
   13430            0 :           else if (!strcmp ("errmsg", arg->name))
   13431            0 :             tmp_sync_stat.errmsg = arg->expr;
   13432              :         }
   13433          538 :       arg = arg->next;
   13434              :     }
   13435              : 
   13436          269 :   gfc_init_se (&from_se, NULL);
   13437          269 :   gfc_init_se (&to_se, NULL);
   13438              : 
   13439          269 :   gfc_trans_sync_stat (&tmp_sync_stat, &from_se, &stat, &errmsg, &errmsg_len);
   13440          269 :   if (stat != null_pointer_node)
   13441            0 :     fin_label = gfc_build_label_decl (NULL_TREE);
   13442              : 
   13443          269 :   gcc_assert (from_expr->ts.type != BT_CLASS || to_expr->ts.type == BT_CLASS);
   13444          269 :   coarray = from_expr->corank != 0;
   13445              : 
   13446          269 :   from_is_class = from_expr->ts.type == BT_CLASS;
   13447          269 :   from_is_scalar = from_expr->rank == 0 && !coarray;
   13448          269 :   if (to_expr->ts.type == BT_CLASS || from_is_scalar)
   13449              :     {
   13450          169 :       from_se.want_pointer = 1;
   13451          169 :       if (from_is_scalar)
   13452          121 :         gfc_conv_expr (&from_se, from_expr);
   13453              :       else
   13454           48 :         gfc_conv_expr_descriptor (&from_se, from_expr);
   13455          169 :       if (from_is_class)
   13456           64 :         from_tree = gfc_class_data_get (from_se.expr);
   13457              :       else
   13458              :         {
   13459          105 :           gfc_symbol *vtab;
   13460          105 :           from_tree = from_se.expr;
   13461              : 
   13462          105 :           if (to_expr->ts.type == BT_CLASS)
   13463              :             {
   13464           42 :               vtab = gfc_find_vtab (&from_expr->ts);
   13465           42 :               gcc_assert (vtab);
   13466           42 :               from_se.expr = gfc_get_symbol_decl (vtab);
   13467              :             }
   13468              :         }
   13469          169 :       gfc_add_block_to_block (&block, &from_se.pre);
   13470              : 
   13471          169 :       to_se.want_pointer = 1;
   13472          169 :       if (to_expr->rank == 0)
   13473          121 :         gfc_conv_expr (&to_se, to_expr);
   13474              :       else
   13475           48 :         gfc_conv_expr_descriptor (&to_se, to_expr);
   13476          169 :       if (to_expr->ts.type == BT_CLASS)
   13477          106 :         to_tree = gfc_class_data_get (to_se.expr);
   13478              :       else
   13479           63 :         to_tree = to_se.expr;
   13480          169 :       gfc_add_block_to_block (&block, &to_se.pre);
   13481              : 
   13482              :       /* Deallocate "to".  */
   13483          169 :       if (to_expr->rank == 0)
   13484              :         {
   13485          121 :           tmp = gfc_deallocate_scalar_with_status (to_tree, stat, fin_label,
   13486              :                                                    true, to_expr, to_expr->ts,
   13487              :                                                    NULL_TREE, false, true,
   13488              :                                                    errmsg, errmsg_len);
   13489          121 :           gfc_add_expr_to_block (&block, tmp);
   13490              :         }
   13491              : 
   13492          169 :       if (from_is_scalar)
   13493              :         {
   13494              :           /* Assign (_data) pointers.  */
   13495          121 :           gfc_add_modify_loc (input_location, &block, to_tree,
   13496          121 :                               fold_convert (TREE_TYPE (to_tree), from_tree));
   13497              : 
   13498              :           /* Set "from" to NULL.  */
   13499          121 :           gfc_add_modify_loc (input_location, &block, from_tree,
   13500          121 :                               fold_convert (TREE_TYPE (from_tree),
   13501              :                                             null_pointer_node));
   13502              : 
   13503          121 :           gfc_add_block_to_block (&block, &from_se.post);
   13504              :         }
   13505          169 :       gfc_add_block_to_block (&block, &to_se.post);
   13506              : 
   13507              :       /* Set _vptr.  */
   13508          169 :       if (to_expr->ts.type == BT_CLASS)
   13509              :         {
   13510          106 :           gfc_class_set_vptr (&block, to_se.expr, from_se.expr);
   13511          106 :           if (from_is_class)
   13512           64 :             gfc_reset_vptr (&block, from_expr);
   13513          106 :           if (UNLIMITED_POLY (to_expr))
   13514              :             {
   13515           20 :               tree to_len = gfc_class_len_get (to_se.class_container);
   13516           20 :               tmp = from_expr->ts.type == BT_CHARACTER && from_se.string_length
   13517           20 :                       ? from_se.string_length
   13518              :                       : size_zero_node;
   13519           20 :               gfc_add_modify_loc (input_location, &block, to_len,
   13520           20 :                                   fold_convert (TREE_TYPE (to_len), tmp));
   13521              :             }
   13522              :         }
   13523              : 
   13524          169 :       if (from_is_scalar)
   13525              :         {
   13526          121 :           if (to_expr->ts.type == BT_CHARACTER && to_expr->ts.deferred)
   13527              :             {
   13528            6 :               gfc_add_modify_loc (input_location, &block, to_se.string_length,
   13529            6 :                                   fold_convert (TREE_TYPE (to_se.string_length),
   13530              :                                                 from_se.string_length));
   13531            6 :               if (from_expr->ts.deferred)
   13532            6 :                 gfc_add_modify_loc (
   13533              :                   input_location, &block, from_se.string_length,
   13534            6 :                   build_int_cst (TREE_TYPE (from_se.string_length), 0));
   13535              :             }
   13536          121 :           if (UNLIMITED_POLY (from_expr))
   13537            2 :             gfc_reset_len (&block, from_expr);
   13538              : 
   13539          121 :           return gfc_finish_block (&block);
   13540              :         }
   13541              : 
   13542           48 :       gfc_init_se (&to_se, NULL);
   13543           48 :       gfc_init_se (&from_se, NULL);
   13544              :     }
   13545              : 
   13546              :   /* Deallocate "to".  */
   13547          148 :   if (from_expr->rank == 0)
   13548              :     {
   13549            4 :       to_se.want_coarray = 1;
   13550            4 :       from_se.want_coarray = 1;
   13551              :     }
   13552          148 :   gfc_conv_expr_descriptor (&to_se, to_expr);
   13553          148 :   gfc_conv_expr_descriptor (&from_se, from_expr);
   13554          148 :   gfc_add_block_to_block (&block, &to_se.pre);
   13555          148 :   gfc_add_block_to_block (&block, &from_se.pre);
   13556              : 
   13557              :   /* For coarrays, call SYNC ALL if TO is already deallocated as MOVE_ALLOC
   13558              :      is an image control "statement", cf. IR F08/0040 in 12-006A.  */
   13559          148 :   if (coarray && flag_coarray == GFC_FCOARRAY_LIB)
   13560              :     {
   13561            6 :       tree cond;
   13562              : 
   13563            6 :       tmp = gfc_deallocate_with_status (to_se.expr, stat, errmsg, errmsg_len,
   13564              :                                         fin_label, true, to_expr,
   13565              :                                         GFC_CAF_COARRAY_DEALLOCATE_ONLY,
   13566              :                                         NULL_TREE, NULL_TREE,
   13567              :                                         gfc_conv_descriptor_token (to_se.expr),
   13568              :                                         true);
   13569            6 :       gfc_add_expr_to_block (&block, tmp);
   13570              : 
   13571            6 :       tmp = gfc_conv_descriptor_data_get (to_se.expr);
   13572            6 :       cond = fold_build2_loc (input_location, EQ_EXPR,
   13573              :                               logical_type_node, tmp,
   13574            6 :                               fold_convert (TREE_TYPE (tmp),
   13575              :                                             null_pointer_node));
   13576            6 :       tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_sync_all,
   13577              :                                  3, null_pointer_node, null_pointer_node,
   13578              :                                  integer_zero_node);
   13579              : 
   13580            6 :       tmp = fold_build3_loc (input_location, COND_EXPR, void_type_node, cond,
   13581              :                              tmp, build_empty_stmt (input_location));
   13582            6 :       gfc_add_expr_to_block (&block, tmp);
   13583            6 :     }
   13584              :   else
   13585              :     {
   13586          142 :       if (to_expr->ts.type == BT_DERIVED
   13587           25 :           && to_expr->ts.u.derived->attr.alloc_comp)
   13588              :         {
   13589           19 :           tmp = gfc_deallocate_alloc_comp (to_expr->ts.u.derived,
   13590              :                                            to_se.expr, to_expr->rank);
   13591           19 :           gfc_add_expr_to_block (&block, tmp);
   13592              :         }
   13593              : 
   13594          142 :       tmp = gfc_deallocate_with_status (to_se.expr, stat, errmsg, errmsg_len,
   13595              :                                         fin_label, true, to_expr,
   13596              :                                         GFC_CAF_COARRAY_NOCOARRAY, NULL_TREE,
   13597              :                                         NULL_TREE, NULL_TREE, true);
   13598          142 :       gfc_add_expr_to_block (&block, tmp);
   13599              :     }
   13600              : 
   13601              :   /* Copy the array descriptor data.  */
   13602          148 :   gfc_add_modify_loc (input_location, &block, to_se.expr, from_se.expr);
   13603              : 
   13604              :   /* Set "from" to NULL.  */
   13605          148 :   gfc_conv_descriptor_data_set (&block, from_se.expr, null_pointer_node);
   13606              : 
   13607          148 :   if (coarray && flag_coarray == GFC_FCOARRAY_LIB)
   13608              :     {
   13609              :       /* Copy the array descriptor data has overwritten the to-token and cleared
   13610              :          from.data.  Now also clear the from.token.  */
   13611            6 :       gfc_conv_descriptor_token_set (&block, from_se.expr, null_pointer_node);
   13612              :     }
   13613              : 
   13614          148 :   if (to_expr->ts.type == BT_CHARACTER && to_expr->ts.deferred)
   13615              :     {
   13616            7 :       gfc_add_modify_loc (input_location, &block, to_se.string_length,
   13617            7 :                           fold_convert (TREE_TYPE (to_se.string_length),
   13618              :                                         from_se.string_length));
   13619            7 :       if (from_expr->ts.deferred)
   13620            6 :         gfc_add_modify_loc (input_location, &block, from_se.string_length,
   13621            6 :                         build_int_cst (TREE_TYPE (from_se.string_length), 0));
   13622              :     }
   13623          148 :   if (fin_label)
   13624            0 :     gfc_add_expr_to_block (&block, build1_v (LABEL_EXPR, fin_label));
   13625              : 
   13626          148 :   gfc_add_block_to_block (&block, &to_se.post);
   13627          148 :   gfc_add_block_to_block (&block, &from_se.post);
   13628              : 
   13629          148 :   return gfc_finish_block (&block);
   13630              : }
   13631              : 
   13632              : 
   13633              : tree
   13634         6996 : gfc_conv_intrinsic_subroutine (gfc_code *code)
   13635              : {
   13636         6996 :   tree res;
   13637              : 
   13638         6996 :   gcc_assert (code->resolved_isym);
   13639              : 
   13640         6996 :   switch (code->resolved_isym->id)
   13641              :     {
   13642          269 :     case GFC_ISYM_MOVE_ALLOC:
   13643          269 :       res = conv_intrinsic_move_alloc (code);
   13644          269 :       break;
   13645              : 
   13646           14 :     case GFC_ISYM_ATOMIC_CAS:
   13647           14 :       res = conv_intrinsic_atomic_cas (code);
   13648           14 :       break;
   13649              : 
   13650           95 :     case GFC_ISYM_ATOMIC_ADD:
   13651           95 :     case GFC_ISYM_ATOMIC_AND:
   13652           95 :     case GFC_ISYM_ATOMIC_DEF:
   13653           95 :     case GFC_ISYM_ATOMIC_OR:
   13654           95 :     case GFC_ISYM_ATOMIC_XOR:
   13655           95 :     case GFC_ISYM_ATOMIC_FETCH_ADD:
   13656           95 :     case GFC_ISYM_ATOMIC_FETCH_AND:
   13657           95 :     case GFC_ISYM_ATOMIC_FETCH_OR:
   13658           95 :     case GFC_ISYM_ATOMIC_FETCH_XOR:
   13659           95 :       res = conv_intrinsic_atomic_op (code);
   13660           95 :       break;
   13661              : 
   13662          176 :     case GFC_ISYM_ATOMIC_REF:
   13663          176 :       res = conv_intrinsic_atomic_ref (code);
   13664          176 :       break;
   13665              : 
   13666          105 :     case GFC_ISYM_EVENT_QUERY:
   13667          105 :       res = conv_intrinsic_event_query (code);
   13668          105 :       break;
   13669              : 
   13670         3370 :     case GFC_ISYM_C_F_POINTER:
   13671         3370 :     case GFC_ISYM_C_F_PROCPOINTER:
   13672         3370 :       res = conv_isocbinding_subroutine (code);
   13673         3370 :       break;
   13674              : 
   13675           60 :     case GFC_ISYM_C_F_STRPOINTER:
   13676           60 :       res = conv_isocbinding_subroutine_strpointer (code);
   13677           60 :       break;
   13678              : 
   13679          360 :     case GFC_ISYM_CAF_SEND:
   13680          360 :       res = conv_caf_send_to_remote (code);
   13681          360 :       break;
   13682              : 
   13683          140 :     case GFC_ISYM_CAF_SENDGET:
   13684          140 :       res = conv_caf_sendget (code);
   13685          140 :       break;
   13686              : 
   13687           91 :     case GFC_ISYM_CO_BROADCAST:
   13688           91 :     case GFC_ISYM_CO_MIN:
   13689           91 :     case GFC_ISYM_CO_MAX:
   13690           91 :     case GFC_ISYM_CO_REDUCE:
   13691           91 :     case GFC_ISYM_CO_SUM:
   13692           91 :       res = conv_co_collective (code);
   13693           91 :       break;
   13694              : 
   13695           10 :     case GFC_ISYM_FREE:
   13696           10 :       res = conv_intrinsic_free (code);
   13697           10 :       break;
   13698              : 
   13699           55 :     case GFC_ISYM_FSTAT:
   13700           55 :     case GFC_ISYM_LSTAT:
   13701           55 :     case GFC_ISYM_STAT:
   13702           55 :       res = conv_intrinsic_fstat_lstat_stat_sub (code);
   13703           55 :       break;
   13704              : 
   13705           90 :     case GFC_ISYM_RANDOM_INIT:
   13706           90 :       res = conv_intrinsic_random_init (code);
   13707           90 :       break;
   13708              : 
   13709           15 :     case GFC_ISYM_KILL:
   13710           15 :       res = conv_intrinsic_kill_sub (code);
   13711           15 :       break;
   13712              : 
   13713              :     case GFC_ISYM_MVBITS:
   13714              :       res = NULL_TREE;
   13715              :       break;
   13716              : 
   13717          196 :     case GFC_ISYM_SYSTEM_CLOCK:
   13718          196 :       res = conv_intrinsic_system_clock (code);
   13719          196 :       break;
   13720              : 
   13721          102 :     case GFC_ISYM_SPLIT:
   13722          102 :       res = conv_intrinsic_split (code);
   13723          102 :       break;
   13724              : 
   13725              :     default:
   13726              :       res = NULL_TREE;
   13727              :       break;
   13728              :     }
   13729              : 
   13730         6996 :   return res;
   13731              : }
   13732              : 
   13733              : #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.