LCOV - code coverage report
Current view: top level - gcc/fortran - trans-intrinsic.cc (source / functions) Coverage Total Hit
Test: gcc.info Lines: 94.6 % 7003 6628
Test Date: 2026-02-28 14:20:25 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 "dependency.h"       /* For CAF array alias analysis.  */
      43              : #include "attribs.h"
      44              : #include "realmpfr.h"
      45              : #include "constructor.h"
      46              : 
      47              : /* Only for gfc_trans_assign and gfc_trans_pointer_assign.  */
      48              : 
      49              : /* This maps Fortran intrinsic math functions to external library or GCC
      50              :    builtin functions.  */
      51              : typedef struct GTY(()) gfc_intrinsic_map_t {
      52              :   /* The explicit enum is required to work around inadequacies in the
      53              :      garbage collection/gengtype parsing mechanism.  */
      54              :   enum gfc_isym_id id;
      55              : 
      56              :   /* Enum value from the "language-independent", aka C-centric, part
      57              :      of gcc, or END_BUILTINS of no such value set.  */
      58              :   enum built_in_function float_built_in;
      59              :   enum built_in_function double_built_in;
      60              :   enum built_in_function long_double_built_in;
      61              :   enum built_in_function complex_float_built_in;
      62              :   enum built_in_function complex_double_built_in;
      63              :   enum built_in_function complex_long_double_built_in;
      64              : 
      65              :   /* True if the naming pattern is to prepend "c" for complex and
      66              :      append "f" for kind=4.  False if the naming pattern is to
      67              :      prepend "_gfortran_" and append "[rc](4|8|10|16)".  */
      68              :   bool libm_name;
      69              : 
      70              :   /* True if a complex version of the function exists.  */
      71              :   bool complex_available;
      72              : 
      73              :   /* True if the function should be marked const.  */
      74              :   bool is_constant;
      75              : 
      76              :   /* The base library name of this function.  */
      77              :   const char *name;
      78              : 
      79              :   /* Cache decls created for the various operand types.  */
      80              :   tree real4_decl;
      81              :   tree real8_decl;
      82              :   tree real10_decl;
      83              :   tree real16_decl;
      84              :   tree complex4_decl;
      85              :   tree complex8_decl;
      86              :   tree complex10_decl;
      87              :   tree complex16_decl;
      88              : }
      89              : gfc_intrinsic_map_t;
      90              : 
      91              : /* ??? The NARGS==1 hack here is based on the fact that (c99 at least)
      92              :    defines complex variants of all of the entries in mathbuiltins.def
      93              :    except for atan2.  */
      94              : #define DEFINE_MATH_BUILTIN(ID, NAME, ARGTYPE) \
      95              :   { GFC_ISYM_ ## ID, BUILT_IN_ ## ID ## F, BUILT_IN_ ## ID, \
      96              :     BUILT_IN_ ## ID ## L, END_BUILTINS, END_BUILTINS, END_BUILTINS, \
      97              :     true, false, true, NAME, NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE, \
      98              :     NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE},
      99              : 
     100              : #define DEFINE_MATH_BUILTIN_C(ID, NAME, ARGTYPE) \
     101              :   { GFC_ISYM_ ## ID, BUILT_IN_ ## ID ## F, BUILT_IN_ ## ID, \
     102              :     BUILT_IN_ ## ID ## L, BUILT_IN_C ## ID ## F, BUILT_IN_C ## ID, \
     103              :     BUILT_IN_C ## ID ## L, true, true, true, NAME, NULL_TREE, NULL_TREE, \
     104              :     NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE},
     105              : 
     106              : #define LIB_FUNCTION(ID, NAME, HAVE_COMPLEX) \
     107              :   { GFC_ISYM_ ## ID, END_BUILTINS, END_BUILTINS, END_BUILTINS, \
     108              :     END_BUILTINS, END_BUILTINS, END_BUILTINS, \
     109              :     false, HAVE_COMPLEX, true, NAME, NULL_TREE, NULL_TREE, NULL_TREE, \
     110              :     NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE }
     111              : 
     112              : #define OTHER_BUILTIN(ID, NAME, TYPE, CONST) \
     113              :   { GFC_ISYM_NONE, BUILT_IN_ ## ID ## F, BUILT_IN_ ## ID, \
     114              :     BUILT_IN_ ## ID ## L, END_BUILTINS, END_BUILTINS, END_BUILTINS, \
     115              :     true, false, CONST, NAME, NULL_TREE, NULL_TREE, \
     116              :     NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE},
     117              : 
     118              : static GTY(()) gfc_intrinsic_map_t gfc_intrinsic_map[] =
     119              : {
     120              :   /* Functions built into gcc itself (DEFINE_MATH_BUILTIN and
     121              :      DEFINE_MATH_BUILTIN_C), then the built-ins that don't correspond
     122              :      to any GFC_ISYM id directly, which use the OTHER_BUILTIN macro.  */
     123              : #include "mathbuiltins.def"
     124              : 
     125              :   /* Functions in libgfortran.  */
     126              :   LIB_FUNCTION (ERFC_SCALED, "erfc_scaled", false),
     127              :   LIB_FUNCTION (SIND, "sind", false),
     128              :   LIB_FUNCTION (COSD, "cosd", false),
     129              :   LIB_FUNCTION (TAND, "tand", false),
     130              : 
     131              :   /* End the list.  */
     132              :   LIB_FUNCTION (NONE, NULL, false)
     133              : 
     134              : };
     135              : #undef OTHER_BUILTIN
     136              : #undef LIB_FUNCTION
     137              : #undef DEFINE_MATH_BUILTIN
     138              : #undef DEFINE_MATH_BUILTIN_C
     139              : 
     140              : 
     141              : enum rounding_mode { RND_ROUND, RND_TRUNC, RND_CEIL, RND_FLOOR };
     142              : 
     143              : 
     144              : /* Find the correct variant of a given builtin from its argument.  */
     145              : static tree
     146        11454 : builtin_decl_for_precision (enum built_in_function base_built_in,
     147              :                             int precision)
     148              : {
     149        11454 :   enum built_in_function i = END_BUILTINS;
     150              : 
     151        11454 :   gfc_intrinsic_map_t *m;
     152       490551 :   for (m = gfc_intrinsic_map; m->double_built_in != base_built_in ; m++)
     153              :     ;
     154              : 
     155        11454 :   if (precision == TYPE_PRECISION (float_type_node))
     156         5814 :     i = m->float_built_in;
     157         5640 :   else if (precision == TYPE_PRECISION (double_type_node))
     158              :     i = m->double_built_in;
     159         1695 :   else if (precision == TYPE_PRECISION (long_double_type_node)
     160         1695 :            && (!gfc_real16_is_float128
     161         1571 :                || long_double_type_node != gfc_float128_type_node))
     162         1571 :     i = m->long_double_built_in;
     163          124 :   else if (precision == TYPE_PRECISION (gfc_float128_type_node))
     164              :     {
     165              :       /* Special treatment, because it is not exactly a built-in, but
     166              :          a library function.  */
     167          124 :       return m->real16_decl;
     168              :     }
     169              : 
     170        11330 :   return (i == END_BUILTINS ? NULL_TREE : builtin_decl_explicit (i));
     171              : }
     172              : 
     173              : 
     174              : tree
     175        10415 : gfc_builtin_decl_for_float_kind (enum built_in_function double_built_in,
     176              :                                  int kind)
     177              : {
     178        10415 :   int i = gfc_validate_kind (BT_REAL, kind, false);
     179              : 
     180        10415 :   if (gfc_real_kinds[i].c_float128)
     181              :     {
     182              :       /* For _Float128, the story is a bit different, because we return
     183              :          a decl to a library function rather than a built-in.  */
     184              :       gfc_intrinsic_map_t *m;
     185        36328 :       for (m = gfc_intrinsic_map; m->double_built_in != double_built_in ; m++)
     186              :         ;
     187              : 
     188          905 :       return m->real16_decl;
     189              :     }
     190              : 
     191         9510 :   return builtin_decl_for_precision (double_built_in,
     192         9510 :                                      gfc_real_kinds[i].mode_precision);
     193              : }
     194              : 
     195              : 
     196              : /* Evaluate the arguments to an intrinsic function.  The value
     197              :    of NARGS may be less than the actual number of arguments in EXPR
     198              :    to allow optional "KIND" arguments that are not included in the
     199              :    generated code to be ignored.  */
     200              : 
     201              : static void
     202        80158 : gfc_conv_intrinsic_function_args (gfc_se *se, gfc_expr *expr,
     203              :                                   tree *argarray, int nargs)
     204              : {
     205        80158 :   gfc_actual_arglist *actual;
     206        80158 :   gfc_expr *e;
     207        80158 :   gfc_intrinsic_arg  *formal;
     208        80158 :   gfc_se argse;
     209        80158 :   int curr_arg;
     210              : 
     211        80158 :   formal = expr->value.function.isym->formal;
     212        80158 :   actual = expr->value.function.actual;
     213              : 
     214       180830 :    for (curr_arg = 0; curr_arg < nargs; curr_arg++,
     215        62768 :         actual = actual->next,
     216       100672 :         formal = formal ? formal->next : NULL)
     217              :     {
     218       100672 :       gcc_assert (actual);
     219       100672 :       e = actual->expr;
     220              :       /* Skip omitted optional arguments.  */
     221       100672 :       if (!e)
     222              :         {
     223           31 :           --curr_arg;
     224           31 :           continue;
     225              :         }
     226              : 
     227              :       /* Evaluate the parameter.  This will substitute scalarized
     228              :          references automatically.  */
     229       100641 :       gfc_init_se (&argse, se);
     230              : 
     231       100641 :       if (e->ts.type == BT_CHARACTER)
     232              :         {
     233         9623 :           gfc_conv_expr (&argse, e);
     234         9623 :           gfc_conv_string_parameter (&argse);
     235         9623 :           argarray[curr_arg++] = argse.string_length;
     236         9623 :           gcc_assert (curr_arg < nargs);
     237              :         }
     238              :       else
     239        91018 :         gfc_conv_expr_val (&argse, e);
     240              : 
     241              :       /* If an optional argument is itself an optional dummy argument,
     242              :          check its presence and substitute a null if absent.  */
     243       100641 :       if (e->expr_type == EXPR_VARIABLE
     244        51459 :             && e->symtree->n.sym->attr.optional
     245          203 :             && formal
     246          153 :             && formal->optional)
     247           80 :         gfc_conv_missing_dummy (&argse, e, formal->ts, 0);
     248              : 
     249       100641 :       gfc_add_block_to_block (&se->pre, &argse.pre);
     250       100641 :       gfc_add_block_to_block (&se->post, &argse.post);
     251       100641 :       argarray[curr_arg] = argse.expr;
     252              :     }
     253        80158 : }
     254              : 
     255              : /* Count the number of actual arguments to the intrinsic function EXPR
     256              :    including any "hidden" string length arguments.  */
     257              : 
     258              : static unsigned int
     259        55345 : gfc_intrinsic_argument_list_length (gfc_expr *expr)
     260              : {
     261        55345 :   int n = 0;
     262        55345 :   gfc_actual_arglist *actual;
     263              : 
     264       125870 :   for (actual = expr->value.function.actual; actual; actual = actual->next)
     265              :     {
     266        70525 :       if (!actual->expr)
     267         6328 :         continue;
     268              : 
     269        64197 :       if (actual->expr->ts.type == BT_CHARACTER)
     270         4545 :         n += 2;
     271              :       else
     272        59652 :         n++;
     273              :     }
     274              : 
     275        55345 :   return n;
     276              : }
     277              : 
     278              : 
     279              : /* Conversions between different types are output by the frontend as
     280              :    intrinsic functions.  We implement these directly with inline code.  */
     281              : 
     282              : static void
     283        39278 : gfc_conv_intrinsic_conversion (gfc_se * se, gfc_expr * expr)
     284              : {
     285        39278 :   tree type;
     286        39278 :   tree *args;
     287        39278 :   int nargs;
     288              : 
     289        39278 :   nargs = gfc_intrinsic_argument_list_length (expr);
     290        39278 :   args = XALLOCAVEC (tree, nargs);
     291              : 
     292              :   /* Evaluate all the arguments passed. Whilst we're only interested in the
     293              :      first one here, there are other parts of the front-end that assume this
     294              :      and will trigger an ICE if it's not the case.  */
     295        39278 :   type = gfc_typenode_for_spec (&expr->ts);
     296        39278 :   gcc_assert (expr->value.function.actual->expr);
     297        39278 :   gfc_conv_intrinsic_function_args (se, expr, args, nargs);
     298              : 
     299              :   /* Conversion between character kinds involves a call to a library
     300              :      function.  */
     301        39278 :   if (expr->ts.type == BT_CHARACTER)
     302              :     {
     303          248 :       tree fndecl, var, addr, tmp;
     304              : 
     305          248 :       if (expr->ts.kind == 1
     306           97 :           && expr->value.function.actual->expr->ts.kind == 4)
     307           97 :         fndecl = gfor_fndecl_convert_char4_to_char1;
     308          151 :       else if (expr->ts.kind == 4
     309          151 :                && expr->value.function.actual->expr->ts.kind == 1)
     310          151 :         fndecl = gfor_fndecl_convert_char1_to_char4;
     311              :       else
     312            0 :         gcc_unreachable ();
     313              : 
     314              :       /* Create the variable storing the converted value.  */
     315          248 :       type = gfc_get_pchar_type (expr->ts.kind);
     316          248 :       var = gfc_create_var (type, "str");
     317          248 :       addr = gfc_build_addr_expr (build_pointer_type (type), var);
     318              : 
     319              :       /* Call the library function that will perform the conversion.  */
     320          248 :       gcc_assert (nargs >= 2);
     321          248 :       tmp = build_call_expr_loc (input_location,
     322              :                              fndecl, 3, addr, args[0], args[1]);
     323          248 :       gfc_add_expr_to_block (&se->pre, tmp);
     324              : 
     325              :       /* Free the temporary afterwards.  */
     326          248 :       tmp = gfc_call_free (var);
     327          248 :       gfc_add_expr_to_block (&se->post, tmp);
     328              : 
     329          248 :       se->expr = var;
     330          248 :       se->string_length = args[0];
     331              : 
     332          248 :       return;
     333              :     }
     334              : 
     335              :   /* Conversion from complex to non-complex involves taking the real
     336              :      component of the value.  */
     337        39030 :   if (TREE_CODE (TREE_TYPE (args[0])) == COMPLEX_TYPE
     338        39030 :       && expr->ts.type != BT_COMPLEX)
     339              :     {
     340          577 :       tree artype;
     341              : 
     342          577 :       artype = TREE_TYPE (TREE_TYPE (args[0]));
     343          577 :       args[0] = fold_build1_loc (input_location, REALPART_EXPR, artype,
     344              :                                  args[0]);
     345              :     }
     346              : 
     347        39030 :   se->expr = convert (type, args[0]);
     348              : }
     349              : 
     350              : /* This is needed because the gcc backend only implements
     351              :    FIX_TRUNC_EXPR, which is the same as INT() in Fortran.
     352              :    FLOOR(x) = INT(x) <= x ? INT(x) : INT(x) - 1
     353              :    Similarly for CEILING.  */
     354              : 
     355              : static tree
     356          132 : build_fixbound_expr (stmtblock_t * pblock, tree arg, tree type, int up)
     357              : {
     358          132 :   tree tmp;
     359          132 :   tree cond;
     360          132 :   tree argtype;
     361          132 :   tree intval;
     362              : 
     363          132 :   argtype = TREE_TYPE (arg);
     364          132 :   arg = gfc_evaluate_now (arg, pblock);
     365              : 
     366          132 :   intval = convert (type, arg);
     367          132 :   intval = gfc_evaluate_now (intval, pblock);
     368              : 
     369          132 :   tmp = convert (argtype, intval);
     370          248 :   cond = fold_build2_loc (input_location, up ? GE_EXPR : LE_EXPR,
     371              :                           logical_type_node, tmp, arg);
     372              : 
     373          248 :   tmp = fold_build2_loc (input_location, up ? PLUS_EXPR : MINUS_EXPR, type,
     374              :                          intval, build_int_cst (type, 1));
     375          132 :   tmp = fold_build3_loc (input_location, COND_EXPR, type, cond, intval, tmp);
     376          132 :   return tmp;
     377              : }
     378              : 
     379              : 
     380              : /* Round to nearest integer, away from zero.  */
     381              : 
     382              : static tree
     383          516 : build_round_expr (tree arg, tree restype)
     384              : {
     385          516 :   tree argtype;
     386          516 :   tree fn;
     387          516 :   int argprec, resprec;
     388              : 
     389          516 :   argtype = TREE_TYPE (arg);
     390          516 :   argprec = TYPE_PRECISION (argtype);
     391          516 :   resprec = TYPE_PRECISION (restype);
     392              : 
     393              :   /* Depending on the type of the result, choose the int intrinsic (iround,
     394              :      available only as a builtin, therefore cannot use it for _Float128), long
     395              :      int intrinsic (lround family) or long long intrinsic (llround).  If we
     396              :      don't have an appropriate function that converts directly to the integer
     397              :      type (such as kind == 16), just use ROUND, and then convert the result to
     398              :      an integer.  We might also need to convert the result afterwards.  */
     399          516 :   if (resprec <= INT_TYPE_SIZE
     400          516 :       && argprec <= TYPE_PRECISION (long_double_type_node))
     401          458 :     fn = builtin_decl_for_precision (BUILT_IN_IROUND, argprec);
     402           62 :   else if (resprec <= LONG_TYPE_SIZE)
     403           46 :     fn = builtin_decl_for_precision (BUILT_IN_LROUND, argprec);
     404           12 :   else if (resprec <= LONG_LONG_TYPE_SIZE)
     405            0 :     fn = builtin_decl_for_precision (BUILT_IN_LLROUND, argprec);
     406           12 :   else if (resprec >= argprec)
     407           12 :     fn = builtin_decl_for_precision (BUILT_IN_ROUND, argprec);
     408              :   else
     409            0 :     gcc_unreachable ();
     410              : 
     411          516 :   return convert (restype, build_call_expr_loc (input_location,
     412          516 :                                                 fn, 1, arg));
     413              : }
     414              : 
     415              : 
     416              : /* Convert a real to an integer using a specific rounding mode.
     417              :    Ideally we would just build the corresponding GENERIC node,
     418              :    however the RTL expander only actually supports FIX_TRUNC_EXPR.  */
     419              : 
     420              : static tree
     421         1573 : build_fix_expr (stmtblock_t * pblock, tree arg, tree type,
     422              :                enum rounding_mode op)
     423              : {
     424         1573 :   switch (op)
     425              :     {
     426          116 :     case RND_FLOOR:
     427          116 :       return build_fixbound_expr (pblock, arg, type, 0);
     428              : 
     429           16 :     case RND_CEIL:
     430           16 :       return build_fixbound_expr (pblock, arg, type, 1);
     431              : 
     432          162 :     case RND_ROUND:
     433          162 :       return build_round_expr (arg, type);
     434              : 
     435         1279 :     case RND_TRUNC:
     436         1279 :       return fold_build1_loc (input_location, FIX_TRUNC_EXPR, type, arg);
     437              : 
     438            0 :     default:
     439            0 :       gcc_unreachable ();
     440              :     }
     441              : }
     442              : 
     443              : 
     444              : /* Round a real value using the specified rounding mode.
     445              :    We use a temporary integer of that same kind size as the result.
     446              :    Values larger than those that can be represented by this kind are
     447              :    unchanged, as they will not be accurate enough to represent the
     448              :    rounding.
     449              :     huge = HUGE (KIND (a))
     450              :     aint (a) = ((a > huge) || (a < -huge)) ? a : (real)(int)a
     451              :    */
     452              : 
     453              : static void
     454          220 : gfc_conv_intrinsic_aint (gfc_se * se, gfc_expr * expr, enum rounding_mode op)
     455              : {
     456          220 :   tree type;
     457          220 :   tree itype;
     458          220 :   tree arg[2];
     459          220 :   tree tmp;
     460          220 :   tree cond;
     461          220 :   tree decl;
     462          220 :   mpfr_t huge;
     463          220 :   int n, nargs;
     464          220 :   int kind;
     465              : 
     466          220 :   kind = expr->ts.kind;
     467          220 :   nargs = gfc_intrinsic_argument_list_length (expr);
     468              : 
     469          220 :   decl = NULL_TREE;
     470              :   /* We have builtin functions for some cases.  */
     471          220 :   switch (op)
     472              :     {
     473           74 :     case RND_ROUND:
     474           74 :       decl = gfc_builtin_decl_for_float_kind (BUILT_IN_ROUND, kind);
     475           74 :       break;
     476              : 
     477          146 :     case RND_TRUNC:
     478          146 :       decl = gfc_builtin_decl_for_float_kind (BUILT_IN_TRUNC, kind);
     479          146 :       break;
     480              : 
     481            0 :     default:
     482            0 :       gcc_unreachable ();
     483              :     }
     484              : 
     485              :   /* Evaluate the argument.  */
     486          220 :   gcc_assert (expr->value.function.actual->expr);
     487          220 :   gfc_conv_intrinsic_function_args (se, expr, arg, nargs);
     488              : 
     489              :   /* Use a builtin function if one exists.  */
     490          220 :   if (decl != NULL_TREE)
     491              :     {
     492          220 :       se->expr = build_call_expr_loc (input_location, decl, 1, arg[0]);
     493          220 :       return;
     494              :     }
     495              : 
     496              :   /* This code is probably redundant, but we'll keep it lying around just
     497              :      in case.  */
     498            0 :   type = gfc_typenode_for_spec (&expr->ts);
     499            0 :   arg[0] = gfc_evaluate_now (arg[0], &se->pre);
     500              : 
     501              :   /* Test if the value is too large to handle sensibly.  */
     502            0 :   gfc_set_model_kind (kind);
     503            0 :   mpfr_init (huge);
     504            0 :   n = gfc_validate_kind (BT_INTEGER, kind, false);
     505            0 :   mpfr_set_z (huge, gfc_integer_kinds[n].huge, GFC_RND_MODE);
     506            0 :   tmp = gfc_conv_mpfr_to_tree (huge, kind, 0);
     507            0 :   cond = fold_build2_loc (input_location, LT_EXPR, logical_type_node, arg[0],
     508              :                           tmp);
     509              : 
     510            0 :   mpfr_neg (huge, huge, GFC_RND_MODE);
     511            0 :   tmp = gfc_conv_mpfr_to_tree (huge, kind, 0);
     512            0 :   tmp = fold_build2_loc (input_location, GT_EXPR, logical_type_node, arg[0],
     513              :                          tmp);
     514            0 :   cond = fold_build2_loc (input_location, TRUTH_AND_EXPR, logical_type_node,
     515              :                           cond, tmp);
     516            0 :   itype = gfc_get_int_type (kind);
     517              : 
     518            0 :   tmp = build_fix_expr (&se->pre, arg[0], itype, op);
     519            0 :   tmp = convert (type, tmp);
     520            0 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, cond, tmp,
     521              :                               arg[0]);
     522            0 :   mpfr_clear (huge);
     523              : }
     524              : 
     525              : 
     526              : /* Convert to an integer using the specified rounding mode.  */
     527              : 
     528              : static void
     529         3100 : gfc_conv_intrinsic_int (gfc_se * se, gfc_expr * expr, enum rounding_mode op)
     530              : {
     531         3100 :   tree type;
     532         3100 :   tree *args;
     533         3100 :   int nargs;
     534              : 
     535         3100 :   nargs = gfc_intrinsic_argument_list_length (expr);
     536         3100 :   args = XALLOCAVEC (tree, nargs);
     537              : 
     538              :   /* Evaluate the argument, we process all arguments even though we only
     539              :      use the first one for code generation purposes.  */
     540         3100 :   type = gfc_typenode_for_spec (&expr->ts);
     541         3100 :   gcc_assert (expr->value.function.actual->expr);
     542         3100 :   gfc_conv_intrinsic_function_args (se, expr, args, nargs);
     543              : 
     544         3100 :   if (TREE_CODE (TREE_TYPE (args[0])) == INTEGER_TYPE)
     545              :     {
     546              :       /* Conversion to a different integer kind.  */
     547         1527 :       se->expr = convert (type, args[0]);
     548              :     }
     549              :   else
     550              :     {
     551              :       /* Conversion from complex to non-complex involves taking the real
     552              :          component of the value.  */
     553         1573 :       if (TREE_CODE (TREE_TYPE (args[0])) == COMPLEX_TYPE
     554         1573 :           && expr->ts.type != BT_COMPLEX)
     555              :         {
     556          192 :           tree artype;
     557              : 
     558          192 :           artype = TREE_TYPE (TREE_TYPE (args[0]));
     559          192 :           args[0] = fold_build1_loc (input_location, REALPART_EXPR, artype,
     560              :                                      args[0]);
     561              :         }
     562              : 
     563         1573 :       se->expr = build_fix_expr (&se->pre, args[0], type, op);
     564              :     }
     565         3100 : }
     566              : 
     567              : 
     568              : /* Get the imaginary component of a value.  */
     569              : 
     570              : static void
     571          428 : gfc_conv_intrinsic_imagpart (gfc_se * se, gfc_expr * expr)
     572              : {
     573          428 :   tree arg;
     574              : 
     575          428 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
     576          428 :   se->expr = fold_build1_loc (input_location, IMAGPART_EXPR,
     577          428 :                               TREE_TYPE (TREE_TYPE (arg)), arg);
     578          428 : }
     579              : 
     580              : 
     581              : /* Get the complex conjugate of a value.  */
     582              : 
     583              : static void
     584          257 : gfc_conv_intrinsic_conjg (gfc_se * se, gfc_expr * expr)
     585              : {
     586          257 :   tree arg;
     587              : 
     588          257 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
     589          257 :   se->expr = fold_build1_loc (input_location, CONJ_EXPR, TREE_TYPE (arg), arg);
     590          257 : }
     591              : 
     592              : 
     593              : 
     594              : static tree
     595       657069 : define_quad_builtin (const char *name, tree type, bool is_const)
     596              : {
     597       657069 :   tree fndecl;
     598       657069 :   fndecl = build_decl (input_location, FUNCTION_DECL, get_identifier (name),
     599              :                        type);
     600              : 
     601              :   /* Mark the decl as external.  */
     602       657069 :   DECL_EXTERNAL (fndecl) = 1;
     603       657069 :   TREE_PUBLIC (fndecl) = 1;
     604              : 
     605              :   /* Mark it __attribute__((const)).  */
     606       657069 :   TREE_READONLY (fndecl) = is_const;
     607              : 
     608       657069 :   rest_of_decl_compilation (fndecl, 1, 0);
     609              : 
     610       657069 :   return fndecl;
     611              : }
     612              : 
     613              : /* Add SIMD attribute for FNDECL built-in if the built-in
     614              :    name is in VECTORIZED_BUILTINS.  */
     615              : 
     616              : static void
     617     44881890 : add_simd_flag_for_built_in (tree fndecl)
     618              : {
     619     44881890 :   if (gfc_vectorized_builtins == NULL
     620     18043380 :       || fndecl == NULL_TREE)
     621     37083480 :     return;
     622              : 
     623      7798410 :   const char *name = IDENTIFIER_POINTER (DECL_NAME (fndecl));
     624      7798410 :   int *clauses = gfc_vectorized_builtins->get (name);
     625      7798410 :   if (clauses)
     626              :     {
     627      4892508 :       for (unsigned i = 0; i < 3; i++)
     628      3669381 :         if (*clauses & (1 << i))
     629              :           {
     630      1223132 :             gfc_simd_clause simd_type = (gfc_simd_clause)*clauses;
     631      1223132 :             tree omp_clause = NULL_TREE;
     632      1223132 :             if (simd_type == SIMD_NONE)
     633              :               ; /* No SIMD clause.  */
     634              :             else
     635              :               {
     636      1223132 :                 omp_clause_code code
     637              :                   = (simd_type == SIMD_INBRANCH
     638      1223132 :                      ? OMP_CLAUSE_INBRANCH : OMP_CLAUSE_NOTINBRANCH);
     639      1223132 :                 omp_clause = build_omp_clause (UNKNOWN_LOCATION, code);
     640      1223132 :                 omp_clause = build_tree_list (NULL_TREE, omp_clause);
     641              :               }
     642              : 
     643      1223132 :             DECL_ATTRIBUTES (fndecl)
     644      2446264 :               = tree_cons (get_identifier ("omp declare simd"), omp_clause,
     645      1223132 :                            DECL_ATTRIBUTES (fndecl));
     646              :           }
     647              :     }
     648              : }
     649              : 
     650              :   /* Set SIMD attribute to all built-in functions that are mentioned
     651              :      in gfc_vectorized_builtins vector.  */
     652              : 
     653              : void
     654        76071 : gfc_adjust_builtins (void)
     655              : {
     656        76071 :   gfc_intrinsic_map_t *m;
     657      4564260 :   for (m = gfc_intrinsic_map;
     658      4564260 :        m->id != GFC_ISYM_NONE || m->double_built_in != END_BUILTINS; m++)
     659              :     {
     660      4488189 :       add_simd_flag_for_built_in (m->real4_decl);
     661      4488189 :       add_simd_flag_for_built_in (m->complex4_decl);
     662      4488189 :       add_simd_flag_for_built_in (m->real8_decl);
     663      4488189 :       add_simd_flag_for_built_in (m->complex8_decl);
     664      4488189 :       add_simd_flag_for_built_in (m->real10_decl);
     665      4488189 :       add_simd_flag_for_built_in (m->complex10_decl);
     666      4488189 :       add_simd_flag_for_built_in (m->real16_decl);
     667      4488189 :       add_simd_flag_for_built_in (m->complex16_decl);
     668      4488189 :       add_simd_flag_for_built_in (m->real16_decl);
     669      4488189 :       add_simd_flag_for_built_in (m->complex16_decl);
     670              :     }
     671              : 
     672              :   /* Release all strings.  */
     673        76071 :   if (gfc_vectorized_builtins != NULL)
     674              :     {
     675      1681801 :       for (hash_map<nofree_string_hash, int>::iterator it
     676        30582 :            = gfc_vectorized_builtins->begin ();
     677      1681801 :            it != gfc_vectorized_builtins->end (); ++it)
     678      1651219 :         free (const_cast<char *> ((*it).first));
     679              : 
     680        61164 :       delete gfc_vectorized_builtins;
     681        30582 :       gfc_vectorized_builtins = NULL;
     682              :     }
     683        76071 : }
     684              : 
     685              : /* Initialize function decls for library functions.  The external functions
     686              :    are created as required.  Builtin functions are added here.  */
     687              : 
     688              : void
     689        31289 : gfc_build_intrinsic_lib_fndecls (void)
     690              : {
     691        31289 :   gfc_intrinsic_map_t *m;
     692        31289 :   tree quad_decls[END_BUILTINS + 1];
     693              : 
     694        31289 :   if (gfc_real16_is_float128)
     695              :   {
     696              :     /* If we have soft-float types, we create the decls for their
     697              :        C99-like library functions.  For now, we only handle _Float128
     698              :        q-suffixed or IEC 60559 f128-suffixed functions.  */
     699              : 
     700        31289 :     tree type, complex_type, func_1, func_2, func_3, func_cabs, func_frexp;
     701        31289 :     tree func_iround, func_lround, func_llround, func_scalbn, func_cpow;
     702              : 
     703        31289 :     memset (quad_decls, 0, sizeof(tree) * (END_BUILTINS + 1));
     704              : 
     705        31289 :     type = gfc_float128_type_node;
     706        31289 :     complex_type = gfc_complex_float128_type_node;
     707              :     /* type (*) (type) */
     708        31289 :     func_1 = build_function_type_list (type, type, NULL_TREE);
     709              :     /* int (*) (type) */
     710        31289 :     func_iround = build_function_type_list (integer_type_node,
     711              :                                             type, NULL_TREE);
     712              :     /* long (*) (type) */
     713        31289 :     func_lround = build_function_type_list (long_integer_type_node,
     714              :                                             type, NULL_TREE);
     715              :     /* long long (*) (type) */
     716        31289 :     func_llround = build_function_type_list (long_long_integer_type_node,
     717              :                                              type, NULL_TREE);
     718              :     /* type (*) (type, type) */
     719        31289 :     func_2 = build_function_type_list (type, type, type, NULL_TREE);
     720              :     /* type (*) (type, type, type) */
     721        31289 :     func_3 = build_function_type_list (type, type, type, type, NULL_TREE);
     722              :     /* type (*) (type, &int) */
     723        31289 :     func_frexp
     724        31289 :       = build_function_type_list (type,
     725              :                                   type,
     726              :                                   build_pointer_type (integer_type_node),
     727              :                                   NULL_TREE);
     728              :     /* type (*) (type, int) */
     729        31289 :     func_scalbn = build_function_type_list (type,
     730              :                                             type, integer_type_node, NULL_TREE);
     731              :     /* type (*) (complex type) */
     732        31289 :     func_cabs = build_function_type_list (type, complex_type, NULL_TREE);
     733              :     /* complex type (*) (complex type, complex type) */
     734        31289 :     func_cpow
     735        31289 :       = build_function_type_list (complex_type,
     736              :                                   complex_type, complex_type, NULL_TREE);
     737              : 
     738              : #define DEFINE_MATH_BUILTIN(ID, NAME, ARGTYPE)
     739              : #define DEFINE_MATH_BUILTIN_C(ID, NAME, ARGTYPE)
     740              : #define LIB_FUNCTION(ID, NAME, HAVE_COMPLEX)
     741              : 
     742              :     /* Only these built-ins are actually needed here. These are used directly
     743              :        from the code, when calling builtin_decl_for_precision() or
     744              :        builtin_decl_for_float_type(). The others are all constructed by
     745              :        gfc_get_intrinsic_lib_fndecl().  */
     746              : #define OTHER_BUILTIN(ID, NAME, TYPE, CONST) \
     747              :     quad_decls[BUILT_IN_ ## ID]                                         \
     748              :       = define_quad_builtin (gfc_real16_use_iec_60559                   \
     749              :                              ? NAME "f128" : NAME "q", func_ ## TYPE,       \
     750              :                              CONST);
     751              : 
     752              : #include "mathbuiltins.def"
     753              : 
     754              : #undef OTHER_BUILTIN
     755              : #undef LIB_FUNCTION
     756              : #undef DEFINE_MATH_BUILTIN
     757              : #undef DEFINE_MATH_BUILTIN_C
     758              : 
     759              :     /* There is one built-in we defined manually, because it gets called
     760              :        with builtin_decl_for_precision() or builtin_decl_for_float_type()
     761              :        even though it is not an OTHER_BUILTIN: it is SQRT.  */
     762        31289 :     quad_decls[BUILT_IN_SQRT]
     763        31289 :       = define_quad_builtin (gfc_real16_use_iec_60559
     764              :                              ? "sqrtf128" : "sqrtq", func_1, true);
     765              :   }
     766              : 
     767              :   /* Add GCC builtin functions.  */
     768      1846051 :   for (m = gfc_intrinsic_map;
     769      1877340 :        m->id != GFC_ISYM_NONE || m->double_built_in != END_BUILTINS; m++)
     770              :     {
     771      1846051 :       if (m->float_built_in != END_BUILTINS)
     772      1720895 :         m->real4_decl = builtin_decl_explicit (m->float_built_in);
     773      1846051 :       if (m->complex_float_built_in != END_BUILTINS)
     774       500624 :         m->complex4_decl = builtin_decl_explicit (m->complex_float_built_in);
     775      1846051 :       if (m->double_built_in != END_BUILTINS)
     776      1720895 :         m->real8_decl = builtin_decl_explicit (m->double_built_in);
     777      1846051 :       if (m->complex_double_built_in != END_BUILTINS)
     778       500624 :         m->complex8_decl = builtin_decl_explicit (m->complex_double_built_in);
     779              : 
     780              :       /* If real(kind=10) exists, it is always long double.  */
     781      1846051 :       if (m->long_double_built_in != END_BUILTINS)
     782      1720895 :         m->real10_decl = builtin_decl_explicit (m->long_double_built_in);
     783      1846051 :       if (m->complex_long_double_built_in != END_BUILTINS)
     784       500624 :         m->complex10_decl
     785       500624 :           = builtin_decl_explicit (m->complex_long_double_built_in);
     786              : 
     787      1846051 :       if (!gfc_real16_is_float128)
     788              :         {
     789            0 :           if (m->long_double_built_in != END_BUILTINS)
     790            0 :             m->real16_decl = builtin_decl_explicit (m->long_double_built_in);
     791            0 :           if (m->complex_long_double_built_in != END_BUILTINS)
     792            0 :             m->complex16_decl
     793            0 :               = builtin_decl_explicit (m->complex_long_double_built_in);
     794              :         }
     795      1846051 :       else if (quad_decls[m->double_built_in] != NULL_TREE)
     796              :         {
     797              :           /* Quad-precision function calls are constructed when first
     798              :              needed by builtin_decl_for_precision(), except for those
     799              :              that will be used directly (define by OTHER_BUILTIN).  */
     800       657069 :           m->real16_decl = quad_decls[m->double_built_in];
     801              :         }
     802      1188982 :       else if (quad_decls[m->complex_double_built_in] != NULL_TREE)
     803              :         {
     804              :           /* Same thing for the complex ones.  */
     805            0 :           m->complex16_decl = quad_decls[m->double_built_in];
     806              :         }
     807              :     }
     808        31289 : }
     809              : 
     810              : 
     811              : /* Create a fndecl for a simple intrinsic library function.  */
     812              : 
     813              : static tree
     814         4400 : gfc_get_intrinsic_lib_fndecl (gfc_intrinsic_map_t * m, gfc_expr * expr)
     815              : {
     816         4400 :   tree type;
     817         4400 :   vec<tree, va_gc> *argtypes;
     818         4400 :   tree fndecl;
     819         4400 :   gfc_actual_arglist *actual;
     820         4400 :   tree *pdecl;
     821         4400 :   gfc_typespec *ts;
     822         4400 :   char name[GFC_MAX_SYMBOL_LEN + 3];
     823              : 
     824         4400 :   ts = &expr->ts;
     825         4400 :   if (ts->type == BT_REAL)
     826              :     {
     827         3556 :       switch (ts->kind)
     828              :         {
     829         1272 :         case 4:
     830         1272 :           pdecl = &m->real4_decl;
     831         1272 :           break;
     832         1272 :         case 8:
     833         1272 :           pdecl = &m->real8_decl;
     834         1272 :           break;
     835          572 :         case 10:
     836          572 :           pdecl = &m->real10_decl;
     837          572 :           break;
     838          440 :         case 16:
     839          440 :           pdecl = &m->real16_decl;
     840          440 :           break;
     841            0 :         default:
     842            0 :           gcc_unreachable ();
     843              :         }
     844              :     }
     845          844 :   else if (ts->type == BT_COMPLEX)
     846              :     {
     847          844 :       gcc_assert (m->complex_available);
     848              : 
     849          844 :       switch (ts->kind)
     850              :         {
     851          386 :         case 4:
     852          386 :           pdecl = &m->complex4_decl;
     853          386 :           break;
     854          387 :         case 8:
     855          387 :           pdecl = &m->complex8_decl;
     856          387 :           break;
     857           51 :         case 10:
     858           51 :           pdecl = &m->complex10_decl;
     859           51 :           break;
     860           20 :         case 16:
     861           20 :           pdecl = &m->complex16_decl;
     862           20 :           break;
     863            0 :         default:
     864            0 :           gcc_unreachable ();
     865              :         }
     866              :     }
     867              :   else
     868            0 :     gcc_unreachable ();
     869              : 
     870         4400 :   if (*pdecl)
     871         4063 :     return *pdecl;
     872              : 
     873          337 :   if (m->libm_name)
     874              :     {
     875          160 :       int n = gfc_validate_kind (BT_REAL, ts->kind, false);
     876          160 :       if (gfc_real_kinds[n].c_float)
     877            0 :         snprintf (name, sizeof (name), "%s%s%s",
     878            0 :                   ts->type == BT_COMPLEX ? "c" : "", m->name, "f");
     879          160 :       else if (gfc_real_kinds[n].c_double)
     880            0 :         snprintf (name, sizeof (name), "%s%s",
     881            0 :                   ts->type == BT_COMPLEX ? "c" : "", m->name);
     882          160 :       else if (gfc_real_kinds[n].c_long_double)
     883            0 :         snprintf (name, sizeof (name), "%s%s%s",
     884            0 :                   ts->type == BT_COMPLEX ? "c" : "", m->name, "l");
     885          160 :       else if (gfc_real_kinds[n].c_float128)
     886          160 :         snprintf (name, sizeof (name), "%s%s%s",
     887          160 :                   ts->type == BT_COMPLEX ? "c" : "", m->name,
     888          160 :                   gfc_real_kinds[n].use_iec_60559 ? "f128" : "q");
     889              :       else
     890            0 :         gcc_unreachable ();
     891              :     }
     892              :   else
     893              :     {
     894          354 :       snprintf (name, sizeof (name), PREFIX ("%s_%c%d"), m->name,
     895          177 :                 ts->type == BT_COMPLEX ? 'c' : 'r',
     896              :                 gfc_type_abi_kind (ts));
     897              :     }
     898              : 
     899          337 :   argtypes = NULL;
     900          690 :   for (actual = expr->value.function.actual; actual; actual = actual->next)
     901              :     {
     902          353 :       type = gfc_typenode_for_spec (&actual->expr->ts);
     903          353 :       vec_safe_push (argtypes, type);
     904              :     }
     905         1011 :   type = build_function_type_vec (gfc_typenode_for_spec (ts), argtypes);
     906          337 :   fndecl = build_decl (input_location,
     907              :                        FUNCTION_DECL, get_identifier (name), type);
     908              : 
     909              :   /* Mark the decl as external.  */
     910          337 :   DECL_EXTERNAL (fndecl) = 1;
     911          337 :   TREE_PUBLIC (fndecl) = 1;
     912              : 
     913              :   /* Mark it __attribute__((const)), if possible.  */
     914          337 :   TREE_READONLY (fndecl) = m->is_constant;
     915              : 
     916          337 :   rest_of_decl_compilation (fndecl, 1, 0);
     917              : 
     918          337 :   (*pdecl) = fndecl;
     919          337 :   return fndecl;
     920              : }
     921              : 
     922              : 
     923              : /* Convert an intrinsic function into an external or builtin call.  */
     924              : 
     925              : static void
     926         3854 : gfc_conv_intrinsic_lib_function (gfc_se * se, gfc_expr * expr)
     927              : {
     928         3854 :   gfc_intrinsic_map_t *m;
     929         3854 :   tree fndecl;
     930         3854 :   tree rettype;
     931         3854 :   tree *args;
     932         3854 :   unsigned int num_args;
     933         3854 :   gfc_isym_id id;
     934              : 
     935         3854 :   id = expr->value.function.isym->id;
     936              :   /* Find the entry for this function.  */
     937        79176 :   for (m = gfc_intrinsic_map;
     938        79176 :        m->id != GFC_ISYM_NONE || m->double_built_in != END_BUILTINS; m++)
     939              :     {
     940        79176 :       if (id == m->id)
     941              :         break;
     942              :     }
     943              : 
     944         3854 :   if (m->id == GFC_ISYM_NONE)
     945              :     {
     946            0 :       gfc_internal_error ("Intrinsic function %qs (%d) not recognized",
     947              :                           expr->value.function.name, id);
     948              :     }
     949              : 
     950              :   /* Get the decl and generate the call.  */
     951         3854 :   num_args = gfc_intrinsic_argument_list_length (expr);
     952         3854 :   args = XALLOCAVEC (tree, num_args);
     953              : 
     954         3854 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
     955         3854 :   fndecl = gfc_get_intrinsic_lib_fndecl (m, expr);
     956         3854 :   rettype = TREE_TYPE (TREE_TYPE (fndecl));
     957              : 
     958         3854 :   fndecl = build_addr (fndecl);
     959         3854 :   se->expr = build_call_array_loc (input_location, rettype, fndecl, num_args, args);
     960         3854 : }
     961              : 
     962              : 
     963              : /* If bounds-checking is enabled, create code to verify at runtime that the
     964              :    string lengths for both expressions are the same (needed for e.g. MERGE).
     965              :    If bounds-checking is not enabled, does nothing.  */
     966              : 
     967              : void
     968         1550 : gfc_trans_same_strlen_check (const char* intr_name, locus* where,
     969              :                              tree a, tree b, stmtblock_t* target)
     970              : {
     971         1550 :   tree cond;
     972         1550 :   tree name;
     973              : 
     974              :   /* If bounds-checking is disabled, do nothing.  */
     975         1550 :   if (!(gfc_option.rtcheck & GFC_RTCHECK_BOUNDS))
     976              :     return;
     977              : 
     978              :   /* Compare the two string lengths.  */
     979           94 :   cond = fold_build2_loc (input_location, NE_EXPR, logical_type_node, a, b);
     980              : 
     981              :   /* Output the runtime-check.  */
     982           94 :   name = gfc_build_cstring_const (intr_name);
     983           94 :   name = gfc_build_addr_expr (pchar_type_node, name);
     984           94 :   gfc_trans_runtime_check (true, false, cond, target, where,
     985              :                            "Unequal character lengths (%ld/%ld) in %s",
     986              :                            fold_convert (long_integer_type_node, a),
     987              :                            fold_convert (long_integer_type_node, b), name);
     988              : }
     989              : 
     990              : 
     991              : /* The EXPONENT(X) intrinsic function is translated into
     992              :        int ret;
     993              :        return isfinite(X) ? (frexp (X, &ret) , ret) : huge
     994              :    so that if X is a NaN or infinity, the result is HUGE(0).
     995              :  */
     996              : 
     997              : static void
     998          228 : gfc_conv_intrinsic_exponent (gfc_se *se, gfc_expr *expr)
     999              : {
    1000          228 :   tree arg, type, res, tmp, frexp, cond, huge;
    1001          228 :   int i;
    1002              : 
    1003          456 :   frexp = gfc_builtin_decl_for_float_kind (BUILT_IN_FREXP,
    1004          228 :                                        expr->value.function.actual->expr->ts.kind);
    1005              : 
    1006          228 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    1007          228 :   arg = gfc_evaluate_now (arg, &se->pre);
    1008              : 
    1009          228 :   i = gfc_validate_kind (BT_INTEGER, gfc_c_int_kind, false);
    1010          228 :   huge = gfc_conv_mpz_to_tree (gfc_integer_kinds[i].huge, gfc_c_int_kind);
    1011          228 :   cond = build_call_expr_loc (input_location,
    1012              :                               builtin_decl_explicit (BUILT_IN_ISFINITE),
    1013              :                               1, arg);
    1014              : 
    1015          228 :   res = gfc_create_var (integer_type_node, NULL);
    1016          228 :   tmp = build_call_expr_loc (input_location, frexp, 2, arg,
    1017              :                              gfc_build_addr_expr (NULL_TREE, res));
    1018          228 :   tmp = fold_build2_loc (input_location, COMPOUND_EXPR, integer_type_node,
    1019              :                          tmp, res);
    1020          228 :   se->expr = fold_build3_loc (input_location, COND_EXPR, integer_type_node,
    1021              :                               cond, tmp, huge);
    1022              : 
    1023          228 :   type = gfc_typenode_for_spec (&expr->ts);
    1024          228 :   se->expr = fold_convert (type, se->expr);
    1025          228 : }
    1026              : 
    1027              : 
    1028              : static int caf_call_cnt = 0;
    1029              : 
    1030              : static tree
    1031         1427 : conv_caf_func_index (stmtblock_t *block, gfc_namespace *ns, const char *pat,
    1032              :                      gfc_expr *hash)
    1033              : {
    1034         1427 :   char *name;
    1035         1427 :   gfc_se argse;
    1036         1427 :   gfc_expr func_index;
    1037         1427 :   gfc_symtree *index_st;
    1038         1427 :   tree func_index_tree;
    1039         1427 :   stmtblock_t blk;
    1040              : 
    1041              :   /* Need to get namespace where static variables are possible.  */
    1042         1427 :   while (ns && ns->proc_name && ns->proc_name->attr.flavor == FL_LABEL)
    1043            0 :     ns = ns->parent;
    1044         1427 :   gcc_assert (ns);
    1045              : 
    1046         1427 :   name = xasprintf (pat, caf_call_cnt);
    1047         1427 :   gcc_assert (!gfc_get_sym_tree (name, ns, &index_st, false));
    1048         1427 :   free (name);
    1049              : 
    1050         1427 :   index_st->n.sym->attr.flavor = FL_VARIABLE;
    1051         1427 :   index_st->n.sym->attr.save = SAVE_EXPLICIT;
    1052         1427 :   index_st->n.sym->value
    1053         1427 :     = gfc_get_constant_expr (BT_INTEGER, gfc_default_integer_kind,
    1054              :                              &gfc_current_locus);
    1055         1427 :   mpz_set_si (index_st->n.sym->value->value.integer, -1);
    1056         1427 :   index_st->n.sym->ts.type = BT_INTEGER;
    1057         1427 :   index_st->n.sym->ts.kind = gfc_default_integer_kind;
    1058         1427 :   gfc_set_sym_referenced (index_st->n.sym);
    1059         1427 :   memset (&func_index, 0, sizeof (gfc_expr));
    1060         1427 :   gfc_clear_ts (&func_index.ts);
    1061         1427 :   func_index.expr_type = EXPR_VARIABLE;
    1062         1427 :   func_index.symtree = index_st;
    1063         1427 :   func_index.ts = index_st->n.sym->ts;
    1064         1427 :   gfc_commit_symbol (index_st->n.sym);
    1065              : 
    1066         1427 :   gfc_init_se (&argse, NULL);
    1067         1427 :   gfc_conv_expr (&argse, &func_index);
    1068         1427 :   gfc_add_block_to_block (block, &argse.pre);
    1069         1427 :   func_index_tree = argse.expr;
    1070              : 
    1071         1427 :   gfc_init_se (&argse, NULL);
    1072         1427 :   gfc_conv_expr (&argse, hash);
    1073              : 
    1074         1427 :   gfc_init_block (&blk);
    1075         1427 :   gfc_add_modify (&blk, func_index_tree,
    1076              :                   build_call_expr (gfor_fndecl_caf_get_remote_function_index, 1,
    1077              :                                    argse.expr));
    1078         1427 :   gfc_add_expr_to_block (
    1079              :     block,
    1080              :     build3 (COND_EXPR, void_type_node,
    1081              :             gfc_likely (build2 (EQ_EXPR, logical_type_node, func_index_tree,
    1082              :                                 build_int_cst (integer_type_node, -1)),
    1083              :                         PRED_FIRST_MATCH),
    1084              :             gfc_finish_block (&blk), NULL_TREE));
    1085              : 
    1086         1427 :   return func_index_tree;
    1087              : }
    1088              : 
    1089              : static tree
    1090         1427 : conv_caf_add_call_data (stmtblock_t *blk, gfc_namespace *ns, const char *pat,
    1091              :                         gfc_symbol *data_sym, tree *data_size)
    1092              : {
    1093         1427 :   char *name;
    1094         1427 :   gfc_symtree *data_st;
    1095         1427 :   gfc_constructor *con;
    1096         1427 :   gfc_expr data, data_init;
    1097         1427 :   gfc_se argse;
    1098         1427 :   tree data_tree;
    1099              : 
    1100         1427 :   memset (&data, 0, sizeof (gfc_expr));
    1101         1427 :   gfc_clear_ts (&data.ts);
    1102         1427 :   data.expr_type = EXPR_VARIABLE;
    1103         1427 :   name = xasprintf (pat, caf_call_cnt);
    1104         1427 :   gcc_assert (!gfc_get_sym_tree (name, ns, &data_st, false));
    1105         1427 :   free (name);
    1106         1427 :   data_st->n.sym->attr.flavor = FL_VARIABLE;
    1107         1427 :   data_st->n.sym->ts = data_sym->ts;
    1108         1427 :   data.symtree = data_st;
    1109         1427 :   gfc_set_sym_referenced (data.symtree->n.sym);
    1110         1427 :   data.ts = data_st->n.sym->ts;
    1111         1427 :   gfc_commit_symbol (data_st->n.sym);
    1112              : 
    1113         1427 :   memset (&data_init, 0, sizeof (gfc_expr));
    1114         1427 :   gfc_clear_ts (&data_init.ts);
    1115         1427 :   data_init.expr_type = EXPR_STRUCTURE;
    1116         1427 :   data_init.ts = data.ts;
    1117         1803 :   for (gfc_component *comp = data.ts.u.derived->components; comp;
    1118          376 :        comp = comp->next)
    1119              :     {
    1120          376 :       con = gfc_constructor_get ();
    1121          376 :       con->expr = comp->initializer;
    1122          376 :       comp->initializer = NULL;
    1123          376 :       gfc_constructor_append (&data_init.value.constructor, con);
    1124              :     }
    1125              : 
    1126         1427 :   if (data.ts.u.derived->components)
    1127              :     {
    1128          110 :       gfc_init_se (&argse, NULL);
    1129          110 :       gfc_conv_expr (&argse, &data);
    1130          110 :       data_tree = argse.expr;
    1131          110 :       gfc_add_expr_to_block (blk,
    1132              :                              gfc_trans_structure_assign (data_tree, &data_init,
    1133              :                                                          true, true));
    1134          110 :       gfc_constructor_free (data_init.value.constructor);
    1135          110 :       *data_size = TREE_TYPE (data_tree)->type_common.size_unit;
    1136          110 :       data_tree = gfc_build_addr_expr (pvoid_type_node, data_tree);
    1137              :     }
    1138              :   else
    1139              :     {
    1140         1317 :       data_tree = build_zero_cst (pvoid_type_node);
    1141         1317 :       *data_size = build_zero_cst (size_type_node);
    1142              :     }
    1143              : 
    1144         1427 :   return data_tree;
    1145              : }
    1146              : 
    1147              : static tree
    1148          251 : conv_shape_to_cst (gfc_expr *e)
    1149              : {
    1150          251 :   tree tmp = NULL;
    1151          690 :   for (int d = 0; d < e->rank; ++d)
    1152              :     {
    1153          439 :       if (!tmp)
    1154          251 :         tmp = gfc_conv_mpz_to_tree (e->shape[d], gfc_size_kind);
    1155              :       else
    1156          188 :         tmp = fold_build2 (MULT_EXPR, TREE_TYPE (tmp), tmp,
    1157              :                            gfc_conv_mpz_to_tree (e->shape[d], gfc_size_kind));
    1158              :     }
    1159          251 :   return fold_convert (size_type_node, tmp);
    1160              : }
    1161              : 
    1162              : static void
    1163         1260 : conv_stat_and_team (stmtblock_t *block, gfc_expr *expr, tree *stat, tree *team,
    1164              :                     tree *team_no)
    1165              : {
    1166         1260 :   gfc_expr *stat_e, *team_e;
    1167              : 
    1168         1260 :   stat_e = gfc_find_stat_co (expr);
    1169         1260 :   if (stat_e)
    1170              :     {
    1171           33 :       gfc_se stat_se;
    1172           33 :       gfc_init_se (&stat_se, NULL);
    1173           33 :       gfc_conv_expr_reference (&stat_se, stat_e);
    1174           33 :       *stat = stat_se.expr;
    1175           33 :       gfc_add_block_to_block (block, &stat_se.pre);
    1176           33 :       gfc_add_block_to_block (block, &stat_se.post);
    1177              :     }
    1178              :   else
    1179         1227 :     *stat = null_pointer_node;
    1180              : 
    1181         1260 :   team_e = gfc_find_team_co (expr, TEAM_TEAM);
    1182         1260 :   if (team_e)
    1183              :     {
    1184           18 :       gfc_se team_se;
    1185           18 :       gfc_init_se (&team_se, NULL);
    1186           18 :       gfc_conv_expr (&team_se, team_e);
    1187           18 :       *team
    1188           18 :         = gfc_build_addr_expr (NULL_TREE, gfc_trans_force_lval (&team_se.pre,
    1189              :                                                                 team_se.expr));
    1190           18 :       gfc_add_block_to_block (block, &team_se.pre);
    1191           18 :       gfc_add_block_to_block (block, &team_se.post);
    1192              :     }
    1193              :   else
    1194         1242 :     *team = null_pointer_node;
    1195              : 
    1196         1260 :   team_e = gfc_find_team_co (expr, TEAM_NUMBER);
    1197         1260 :   if (team_e)
    1198              :     {
    1199           30 :       gfc_se team_se;
    1200           30 :       gfc_init_se (&team_se, NULL);
    1201           30 :       gfc_conv_expr (&team_se, team_e);
    1202           30 :       *team_no = gfc_build_addr_expr (
    1203              :         NULL_TREE,
    1204              :         gfc_trans_force_lval (&team_se.pre,
    1205              :                               fold_convert (integer_type_node, team_se.expr)));
    1206           30 :       gfc_add_block_to_block (block, &team_se.pre);
    1207           30 :       gfc_add_block_to_block (block, &team_se.post);
    1208              :     }
    1209              :   else
    1210         1230 :     *team_no = null_pointer_node;
    1211         1260 : }
    1212              : 
    1213              : /* Get data from a remote coarray.  */
    1214              : 
    1215              : static void
    1216          999 : gfc_conv_intrinsic_caf_get (gfc_se *se, gfc_expr *expr, tree lhs,
    1217              :                             bool may_realloc, symbol_attribute *caf_attr)
    1218              : {
    1219          999 :   gfc_expr *array_expr;
    1220          999 :   tree caf_decl, token, image_index, tmp, res_var, type, stat, dest_size,
    1221              :     dest_data, opt_dest_desc, get_fn_index_tree, add_data_tree, add_data_size,
    1222              :     opt_src_desc, opt_src_charlen, opt_dest_charlen, team, team_no;
    1223          999 :   symbol_attribute caf_attr_store;
    1224          999 :   gfc_namespace *ns;
    1225          999 :   gfc_expr *get_fn_hash = expr->value.function.actual->next->expr,
    1226          999 :            *get_fn_expr = expr->value.function.actual->next->next->expr;
    1227          999 :   gfc_symbol *add_data_sym = get_fn_expr->symtree->n.sym->formal->sym;
    1228              : 
    1229          999 :   gcc_assert (flag_coarray == GFC_FCOARRAY_LIB);
    1230              : 
    1231          999 :   if (se->ss && se->ss->info->useflags)
    1232              :     {
    1233              :       /* Access the previously obtained result.  */
    1234          379 :       gfc_conv_tmp_array_ref (se);
    1235          379 :       return;
    1236              :     }
    1237              : 
    1238          620 :   array_expr = expr->value.function.actual->expr;
    1239          620 :   ns = array_expr->expr_type == EXPR_VARIABLE
    1240          620 :            && !array_expr->symtree->n.sym->attr.associate_var
    1241          620 :          ? array_expr->symtree->n.sym->ns
    1242              :          : gfc_current_ns;
    1243          620 :   type = gfc_typenode_for_spec (&array_expr->ts);
    1244              : 
    1245          620 :   if (caf_attr == NULL)
    1246              :     {
    1247          620 :       caf_attr_store = gfc_caf_attr (array_expr);
    1248          620 :       caf_attr = &caf_attr_store;
    1249              :     }
    1250              : 
    1251          620 :   res_var = lhs;
    1252              : 
    1253          620 :   conv_stat_and_team (&se->pre, expr, &stat, &team, &team_no);
    1254              : 
    1255          620 :   get_fn_index_tree
    1256          620 :     = conv_caf_func_index (&se->pre, ns, "__caf_get_from_remote_fn_index_%d",
    1257              :                            get_fn_hash);
    1258          620 :   add_data_tree
    1259          620 :     = conv_caf_add_call_data (&se->pre, ns, "__caf_get_from_remote_add_data_%d",
    1260              :                               add_data_sym, &add_data_size);
    1261          620 :   ++caf_call_cnt;
    1262              : 
    1263          620 :   if (array_expr->rank == 0)
    1264              :     {
    1265          239 :       res_var = gfc_create_var (type, "caf_res");
    1266          239 :       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          206 :           dest_size = res_var->typed.type->type_common.size_unit;
    1277          206 :           opt_src_charlen
    1278          206 :             = build_zero_cst (build_pointer_type (size_type_node));
    1279              :         }
    1280          239 :       dest_data
    1281          239 :         = gfc_evaluate_now (gfc_build_addr_expr (NULL_TREE, res_var), &se->pre);
    1282          239 :       res_var = build_fold_indirect_ref (dest_data);
    1283          239 :       dest_data = gfc_build_addr_expr (pvoid_type_node, dest_data);
    1284          239 :       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          620 :   opt_dest_charlen = opt_src_charlen;
    1332          620 :   caf_decl = gfc_get_tree_for_caf_expr (array_expr);
    1333          620 :   if (TREE_CODE (TREE_TYPE (caf_decl)) == REFERENCE_TYPE)
    1334            2 :     caf_decl = build_fold_indirect_ref_loc (input_location, caf_decl);
    1335              : 
    1336          620 :   if (!TYPE_LANG_SPECIFIC (TREE_TYPE (caf_decl))->rank
    1337          620 :       || GFC_ARRAY_TYPE_P (TREE_TYPE (caf_decl)))
    1338          540 :     opt_src_desc = build_zero_cst (pvoid_type_node);
    1339              :   else
    1340           80 :     opt_src_desc = gfc_build_addr_expr (pvoid_type_node, caf_decl);
    1341              : 
    1342          620 :   image_index = gfc_caf_get_image_index (&se->pre, array_expr, caf_decl);
    1343          620 :   gfc_get_caf_token_offset (se, &token, NULL, caf_decl, NULL, array_expr);
    1344              : 
    1345              :   /* It guarantees memory consistency within the same segment.  */
    1346          620 :   tmp = gfc_build_string_const (strlen ("memory") + 1, "memory");
    1347          620 :   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          620 :   ASM_VOLATILE_P (tmp) = 1;
    1351          620 :   gfc_add_expr_to_block (&se->pre, tmp);
    1352              : 
    1353          620 :   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          620 :   gfc_add_expr_to_block (&se->pre, tmp);
    1360              : 
    1361          620 :   if (se->ss)
    1362          381 :     gfc_advance_se_ss_chain (se);
    1363              : 
    1364          620 :   se->expr = res_var;
    1365              : 
    1366          620 :   return;
    1367              : }
    1368              : 
    1369              : /* Generate call to caf_is_present_on_remote for allocated (coarrary[...])
    1370              :    calls.  */
    1371              : 
    1372              : static void
    1373          167 : gfc_conv_intrinsic_caf_is_present_remote (gfc_se *se, gfc_expr *e)
    1374              : {
    1375          167 :   gfc_expr *caf_expr, *hash, *present_fn;
    1376          167 :   gfc_symbol *add_data_sym;
    1377          167 :   tree fn_index, add_data_tree, add_data_size, caf_decl, image_index, token;
    1378              : 
    1379          167 :   gcc_assert (e->expr_type == EXPR_FUNCTION
    1380              :               && e->value.function.isym->id
    1381              :                    == GFC_ISYM_CAF_IS_PRESENT_ON_REMOTE);
    1382          167 :   caf_expr = e->value.function.actual->expr;
    1383          167 :   hash = e->value.function.actual->next->expr;
    1384          167 :   present_fn = e->value.function.actual->next->next->expr;
    1385          167 :   add_data_sym = present_fn->symtree->n.sym->formal->sym;
    1386              : 
    1387          167 :   fn_index = conv_caf_func_index (&se->pre, e->symtree->n.sym->ns,
    1388              :                                   "__caf_present_on_remote_fn_index_%d", hash);
    1389          167 :   add_data_tree = conv_caf_add_call_data (&se->pre, e->symtree->n.sym->ns,
    1390              :                                           "__caf_present_on_remote_add_data_%d",
    1391              :                                           add_data_sym, &add_data_size);
    1392          167 :   ++caf_call_cnt;
    1393              : 
    1394          167 :   caf_decl = gfc_get_tree_for_caf_expr (caf_expr);
    1395          167 :   if (TREE_CODE (TREE_TYPE (caf_decl)) == REFERENCE_TYPE)
    1396            4 :     caf_decl = build_fold_indirect_ref_loc (input_location, caf_decl);
    1397              : 
    1398          167 :   image_index = gfc_caf_get_image_index (&se->pre, caf_expr, caf_decl);
    1399          167 :   gfc_get_caf_token_offset (se, &token, NULL, caf_decl, NULL, caf_expr);
    1400              : 
    1401          167 :   se->expr
    1402          167 :     = fold_convert (logical_type_node,
    1403              :                     build_call_expr_loc (input_location,
    1404              :                                          gfor_fndecl_caf_is_present_on_remote,
    1405              :                                          5, token, image_index, fn_index,
    1406              :                                          add_data_tree, add_data_size));
    1407          167 : }
    1408              : 
    1409              : static tree
    1410          360 : conv_caf_send_to_remote (gfc_code *code)
    1411              : {
    1412          360 :   gfc_expr *lhs_expr, *rhs_expr, *lhs_hash, *receiver_fn_expr;
    1413          360 :   gfc_symbol *add_data_sym;
    1414          360 :   gfc_se lhs_se, rhs_se;
    1415          360 :   stmtblock_t block;
    1416          360 :   gfc_namespace *ns;
    1417          360 :   tree caf_decl, token, rhs_size, image_index, tmp, rhs_data;
    1418          360 :   tree lhs_stat, lhs_team, lhs_team_no, opt_lhs_charlen, opt_rhs_charlen;
    1419          360 :   tree opt_lhs_desc = NULL_TREE, opt_rhs_desc = NULL_TREE;
    1420          360 :   tree receiver_fn_index_tree, add_data_tree, add_data_size;
    1421              : 
    1422          360 :   gcc_assert (flag_coarray == GFC_FCOARRAY_LIB);
    1423          360 :   gcc_assert (code->resolved_isym->id == GFC_ISYM_CAF_SEND);
    1424              : 
    1425          360 :   lhs_expr = code->ext.actual->expr;
    1426          360 :   rhs_expr = code->ext.actual->next->expr;
    1427          360 :   lhs_hash = code->ext.actual->next->next->expr;
    1428          360 :   receiver_fn_expr = code->ext.actual->next->next->next->expr;
    1429          360 :   add_data_sym = receiver_fn_expr->symtree->n.sym->formal->sym;
    1430              : 
    1431          360 :   ns = lhs_expr->expr_type == EXPR_VARIABLE
    1432          360 :            && !lhs_expr->symtree->n.sym->attr.associate_var
    1433          360 :          ? lhs_expr->symtree->n.sym->ns
    1434              :          : gfc_current_ns;
    1435              : 
    1436          360 :   gfc_init_block (&block);
    1437              : 
    1438              :   /* LHS.  */
    1439          360 :   gfc_init_se (&lhs_se, NULL);
    1440          360 :   caf_decl = gfc_get_tree_for_caf_expr (lhs_expr);
    1441          360 :   if (TREE_CODE (TREE_TYPE (caf_decl)) == REFERENCE_TYPE)
    1442            0 :     caf_decl = build_fold_indirect_ref_loc (input_location, caf_decl);
    1443          360 :   if (lhs_expr->rank == 0)
    1444              :     {
    1445          266 :       if (lhs_expr->ts.type == BT_CHARACTER)
    1446              :         {
    1447           24 :           gfc_conv_string_length (lhs_expr->ts.u.cl, lhs_expr, &block);
    1448           24 :           lhs_se.string_length = lhs_expr->ts.u.cl->backend_decl;
    1449           24 :           opt_lhs_charlen = gfc_build_addr_expr (
    1450              :             NULL_TREE, gfc_trans_force_lval (&block, lhs_se.string_length));
    1451              :         }
    1452              :       else
    1453          242 :         opt_lhs_charlen = build_zero_cst (build_pointer_type (size_type_node));
    1454          266 :       opt_lhs_desc = null_pointer_node;
    1455              :     }
    1456              :   else
    1457              :     {
    1458           94 :       gfc_conv_expr_descriptor (&lhs_se, lhs_expr);
    1459           94 :       gfc_add_block_to_block (&block, &lhs_se.pre);
    1460           94 :       opt_lhs_desc = lhs_se.expr;
    1461           94 :       if (lhs_expr->ts.type == BT_CHARACTER)
    1462           44 :         opt_lhs_charlen = gfc_build_addr_expr (
    1463              :           NULL_TREE, gfc_trans_force_lval (&block, lhs_se.string_length));
    1464              :       else
    1465           50 :         opt_lhs_charlen = build_zero_cst (build_pointer_type (size_type_node));
    1466              :       /* Get the third formal argument of the receiver function.  (This is the
    1467              :          location where to put the data on the remote image.)  Need to look at
    1468              :          the argument in the function decl, because in the gfc_symbol's formal
    1469              :          argument an array may have no descriptor while in the generated
    1470              :          function decl it has.  */
    1471           94 :       tmp = TREE_VALUE (TREE_CHAIN (TREE_CHAIN (TYPE_ARG_TYPES (
    1472              :         TREE_TYPE (receiver_fn_expr->symtree->n.sym->backend_decl)))));
    1473           94 :       if (!GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (tmp)))
    1474           56 :         opt_lhs_desc = null_pointer_node;
    1475              :       else
    1476           38 :         opt_lhs_desc
    1477           38 :           = gfc_build_addr_expr (NULL_TREE,
    1478              :                                  gfc_trans_force_lval (&block, opt_lhs_desc));
    1479              :     }
    1480              : 
    1481              :   /* Obtain token, offset and image index for the LHS.  */
    1482          360 :   image_index = gfc_caf_get_image_index (&block, lhs_expr, caf_decl);
    1483          360 :   gfc_get_caf_token_offset (&lhs_se, &token, NULL, caf_decl, NULL, lhs_expr);
    1484              : 
    1485              :   /* RHS.  */
    1486          360 :   gfc_init_se (&rhs_se, NULL);
    1487          360 :   if (rhs_expr->rank == 0)
    1488              :     {
    1489          436 :       rhs_se.want_pointer = rhs_expr->ts.type == BT_CHARACTER
    1490          218 :                             && rhs_expr->expr_type != EXPR_CONSTANT;
    1491          218 :       gfc_conv_expr (&rhs_se, rhs_expr);
    1492          218 :       gfc_add_block_to_block (&block, &rhs_se.pre);
    1493          218 :       opt_rhs_desc = null_pointer_node;
    1494          218 :       if (rhs_expr->ts.type == BT_CHARACTER)
    1495              :         {
    1496           40 :           rhs_data
    1497           40 :             = rhs_expr->expr_type == EXPR_CONSTANT
    1498           40 :                 ? gfc_build_addr_expr (NULL_TREE,
    1499              :                                        gfc_trans_force_lval (&block,
    1500              :                                                              rhs_se.expr))
    1501              :                 : rhs_se.expr;
    1502           40 :           opt_rhs_charlen = gfc_build_addr_expr (
    1503              :             NULL_TREE, gfc_trans_force_lval (&block, rhs_se.string_length));
    1504           40 :           rhs_size = build_int_cstu (size_type_node, rhs_expr->ts.kind);
    1505              :         }
    1506              :       else
    1507              :         {
    1508          178 :           rhs_data
    1509          178 :             = gfc_build_addr_expr (NULL_TREE,
    1510              :                                    gfc_trans_force_lval (&block, rhs_se.expr));
    1511          178 :           opt_rhs_charlen
    1512          178 :             = build_zero_cst (build_pointer_type (size_type_node));
    1513          178 :           rhs_size = TREE_TYPE (rhs_se.expr)->type_common.size_unit;
    1514              :         }
    1515              :     }
    1516              :   else
    1517              :     {
    1518          284 :       rhs_se.force_tmp = rhs_expr->shape == NULL
    1519          142 :                          || !gfc_is_simply_contiguous (rhs_expr, false, false);
    1520          142 :       gfc_conv_expr_descriptor (&rhs_se, rhs_expr);
    1521          142 :       gfc_add_block_to_block (&block, &rhs_se.pre);
    1522          142 :       opt_rhs_desc = rhs_se.expr;
    1523          142 :       if (rhs_expr->ts.type == BT_CHARACTER)
    1524              :         {
    1525           28 :           opt_rhs_charlen = gfc_build_addr_expr (
    1526              :             NULL_TREE, gfc_trans_force_lval (&block, rhs_se.string_length));
    1527           28 :           rhs_size = build_int_cstu (size_type_node, rhs_expr->ts.kind);
    1528              :         }
    1529              :       else
    1530              :         {
    1531          114 :           opt_rhs_charlen
    1532          114 :             = build_zero_cst (build_pointer_type (size_type_node));
    1533          114 :           rhs_size = fold_build2 (
    1534              :             MULT_EXPR, size_type_node,
    1535              :             fold_convert (size_type_node,
    1536              :                           rhs_expr->shape
    1537              :                             ? conv_shape_to_cst (rhs_expr)
    1538              :                             : gfc_conv_descriptor_size (rhs_se.expr,
    1539              :                                                         rhs_expr->rank)),
    1540              :             fold_convert (size_type_node,
    1541              :                           gfc_conv_descriptor_span_get (rhs_se.expr)));
    1542              :         }
    1543              : 
    1544          142 :       rhs_data = gfc_build_addr_expr (
    1545              :         NULL_TREE, gfc_trans_force_lval (&block, gfc_conv_descriptor_data_get (
    1546              :                                                    opt_rhs_desc)));
    1547          142 :       opt_rhs_desc = gfc_build_addr_expr (NULL_TREE, opt_rhs_desc);
    1548              :     }
    1549          360 :   gfc_add_block_to_block (&block, &rhs_se.pre);
    1550              : 
    1551          360 :   conv_stat_and_team (&block, lhs_expr, &lhs_stat, &lhs_team, &lhs_team_no);
    1552              : 
    1553          360 :   receiver_fn_index_tree
    1554          360 :     = conv_caf_func_index (&block, ns, "__caf_send_to_remote_fn_index_%d",
    1555              :                            lhs_hash);
    1556          360 :   add_data_tree
    1557          360 :     = conv_caf_add_call_data (&block, ns, "__caf_send_to_remote_add_data_%d",
    1558              :                               add_data_sym, &add_data_size);
    1559          360 :   ++caf_call_cnt;
    1560              : 
    1561          360 :   tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_send_to_remote, 14,
    1562              :                              token, opt_lhs_desc, opt_lhs_charlen, image_index,
    1563              :                              rhs_size, rhs_data, opt_rhs_charlen, opt_rhs_desc,
    1564              :                              receiver_fn_index_tree, add_data_tree,
    1565              :                              add_data_size, lhs_stat, lhs_team, lhs_team_no);
    1566              : 
    1567          360 :   gfc_add_expr_to_block (&block, tmp);
    1568          360 :   gfc_add_block_to_block (&block, &lhs_se.post);
    1569          360 :   gfc_add_block_to_block (&block, &rhs_se.post);
    1570              : 
    1571              :   /* It guarantees memory consistency within the same segment.  */
    1572          360 :   tmp = gfc_build_string_const (strlen ("memory") + 1, "memory");
    1573          360 :   tmp = build5_loc (input_location, ASM_EXPR, void_type_node,
    1574              :                     gfc_build_string_const (1, ""), NULL_TREE, NULL_TREE,
    1575              :                     tree_cons (NULL_TREE, tmp, NULL_TREE), NULL_TREE);
    1576          360 :   ASM_VOLATILE_P (tmp) = 1;
    1577          360 :   gfc_add_expr_to_block (&block, tmp);
    1578              : 
    1579          360 :   return gfc_finish_block (&block);
    1580              : }
    1581              : 
    1582              : /* Send-get data to a remote coarray.  */
    1583              : 
    1584              : static tree
    1585          140 : conv_caf_sendget (gfc_code *code)
    1586              : {
    1587              :   /* lhs stuff  */
    1588          140 :   gfc_expr *lhs_expr, *lhs_hash, *receiver_fn_expr;
    1589          140 :   gfc_symbol *lhs_add_data_sym;
    1590          140 :   gfc_se lhs_se;
    1591          140 :   tree lhs_caf_decl, lhs_token, opt_lhs_charlen,
    1592          140 :     opt_lhs_desc = NULL_TREE, receiver_fn_index_tree, lhs_image_index,
    1593              :     lhs_add_data_tree, lhs_add_data_size, lhs_stat, lhs_team, lhs_team_no;
    1594          140 :   int transfer_rank;
    1595              : 
    1596              :   /* rhs stuff  */
    1597          140 :   gfc_expr *rhs_expr, *rhs_hash, *sender_fn_expr;
    1598          140 :   gfc_symbol *rhs_add_data_sym;
    1599          140 :   gfc_se rhs_se;
    1600          140 :   tree rhs_caf_decl, rhs_token, opt_rhs_charlen,
    1601          140 :     opt_rhs_desc = NULL_TREE, sender_fn_index_tree, rhs_image_index,
    1602              :     rhs_add_data_tree, rhs_add_data_size, rhs_stat, rhs_team, rhs_team_no;
    1603              : 
    1604              :   /* shared  */
    1605          140 :   stmtblock_t block;
    1606          140 :   gfc_namespace *ns;
    1607          140 :   tree tmp, rhs_size;
    1608              : 
    1609          140 :   gcc_assert (flag_coarray == GFC_FCOARRAY_LIB);
    1610          140 :   gcc_assert (code->resolved_isym->id == GFC_ISYM_CAF_SENDGET);
    1611              : 
    1612          140 :   lhs_expr = code->ext.actual->expr;
    1613          140 :   rhs_expr = code->ext.actual->next->expr;
    1614          140 :   lhs_hash = code->ext.actual->next->next->expr;
    1615          140 :   receiver_fn_expr = code->ext.actual->next->next->next->expr;
    1616          140 :   rhs_hash = code->ext.actual->next->next->next->next->expr;
    1617          140 :   sender_fn_expr = code->ext.actual->next->next->next->next->next->expr;
    1618              : 
    1619          140 :   lhs_add_data_sym = receiver_fn_expr->symtree->n.sym->formal->sym;
    1620          140 :   rhs_add_data_sym = sender_fn_expr->symtree->n.sym->formal->sym;
    1621              : 
    1622          140 :   ns = lhs_expr->expr_type == EXPR_VARIABLE
    1623          140 :            && !lhs_expr->symtree->n.sym->attr.associate_var
    1624          140 :          ? lhs_expr->symtree->n.sym->ns
    1625              :          : gfc_current_ns;
    1626              : 
    1627          140 :   gfc_init_block (&block);
    1628              : 
    1629          140 :   lhs_stat = null_pointer_node;
    1630          140 :   lhs_team = null_pointer_node;
    1631          140 :   rhs_stat = null_pointer_node;
    1632          140 :   rhs_team = null_pointer_node;
    1633              : 
    1634              :   /* LHS.  */
    1635          140 :   gfc_init_se (&lhs_se, NULL);
    1636          140 :   lhs_caf_decl = gfc_get_tree_for_caf_expr (lhs_expr);
    1637          140 :   if (TREE_CODE (TREE_TYPE (lhs_caf_decl)) == REFERENCE_TYPE)
    1638            0 :     lhs_caf_decl = build_fold_indirect_ref_loc (input_location, lhs_caf_decl);
    1639          140 :   if (lhs_expr->rank == 0)
    1640              :     {
    1641           78 :       if (lhs_expr->ts.type == BT_CHARACTER)
    1642              :         {
    1643           16 :           gfc_conv_string_length (lhs_expr->ts.u.cl, lhs_expr, &block);
    1644           16 :           lhs_se.string_length = lhs_expr->ts.u.cl->backend_decl;
    1645           16 :           opt_lhs_charlen = gfc_build_addr_expr (
    1646              :             NULL_TREE, gfc_trans_force_lval (&block, lhs_se.string_length));
    1647              :         }
    1648              :       else
    1649           62 :         opt_lhs_charlen = build_zero_cst (build_pointer_type (size_type_node));
    1650           78 :       opt_lhs_desc = null_pointer_node;
    1651              :     }
    1652              :   else
    1653              :     {
    1654           62 :       gfc_conv_expr_descriptor (&lhs_se, lhs_expr);
    1655           62 :       gfc_add_block_to_block (&block, &lhs_se.pre);
    1656           62 :       opt_lhs_desc = lhs_se.expr;
    1657           62 :       if (lhs_expr->ts.type == BT_CHARACTER)
    1658           32 :         opt_lhs_charlen = gfc_build_addr_expr (
    1659              :           NULL_TREE, gfc_trans_force_lval (&block, lhs_se.string_length));
    1660              :       else
    1661           30 :         opt_lhs_charlen = build_zero_cst (build_pointer_type (size_type_node));
    1662              :       /* Get the third formal argument of the receiver function.  (This is the
    1663              :          location where to put the data on the remote image.)  Need to look at
    1664              :          the argument in the function decl, because in the gfc_symbol's formal
    1665              :          argument an array may have no descriptor while in the generated
    1666              :          function decl it has.  */
    1667           62 :       tmp = TREE_VALUE (TREE_CHAIN (TREE_CHAIN (TYPE_ARG_TYPES (
    1668              :         TREE_TYPE (receiver_fn_expr->symtree->n.sym->backend_decl)))));
    1669           62 :       if (!GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (tmp)))
    1670           54 :         opt_lhs_desc = null_pointer_node;
    1671              :       else
    1672            8 :         opt_lhs_desc
    1673            8 :           = gfc_build_addr_expr (NULL_TREE,
    1674              :                                  gfc_trans_force_lval (&block, opt_lhs_desc));
    1675              :     }
    1676              : 
    1677              :   /* Obtain token, offset and image index for the LHS.  */
    1678          140 :   lhs_image_index = gfc_caf_get_image_index (&block, lhs_expr, lhs_caf_decl);
    1679          140 :   gfc_get_caf_token_offset (&lhs_se, &lhs_token, NULL, lhs_caf_decl, NULL,
    1680              :                             lhs_expr);
    1681              : 
    1682              :   /* RHS.  */
    1683          140 :   rhs_caf_decl = gfc_get_tree_for_caf_expr (rhs_expr);
    1684          140 :   if (TREE_CODE (TREE_TYPE (rhs_caf_decl)) == REFERENCE_TYPE)
    1685            0 :     rhs_caf_decl = build_fold_indirect_ref_loc (input_location, rhs_caf_decl);
    1686          140 :   transfer_rank = rhs_expr->rank;
    1687          140 :   gfc_expression_rank (rhs_expr);
    1688          140 :   gfc_init_se (&rhs_se, NULL);
    1689          140 :   if (rhs_expr->rank == 0)
    1690              :     {
    1691           80 :       opt_rhs_desc = null_pointer_node;
    1692           80 :       if (rhs_expr->ts.type == BT_CHARACTER)
    1693              :         {
    1694           32 :           gfc_conv_expr (&rhs_se, rhs_expr);
    1695           32 :           gfc_add_block_to_block (&block, &rhs_se.pre);
    1696           32 :           opt_rhs_charlen = gfc_build_addr_expr (
    1697              :             NULL_TREE, gfc_trans_force_lval (&block, rhs_se.string_length));
    1698           32 :           rhs_size = build_int_cstu (size_type_node, rhs_expr->ts.kind);
    1699              :         }
    1700              :       else
    1701              :         {
    1702           48 :           gfc_typespec *ts
    1703           48 :             = &sender_fn_expr->symtree->n.sym->formal->next->next->sym->ts;
    1704              : 
    1705           48 :           opt_rhs_charlen
    1706           48 :             = build_zero_cst (build_pointer_type (size_type_node));
    1707           48 :           rhs_size = gfc_typenode_for_spec (ts)->type_common.size_unit;
    1708              :         }
    1709              :     }
    1710              :   /* Get the fifth formal argument of the getter function.  This is the argument
    1711              :      pointing to the data to get on the remote image.  Need to look at the
    1712              :      argument in the function decl, because in the gfc_symbol's formal argument
    1713              :      an array may have no descriptor while in the generated function decl it
    1714              :      has.  */
    1715           60 :   else if (!GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (TREE_VALUE (
    1716              :              TREE_CHAIN (TREE_CHAIN (TREE_CHAIN (TREE_CHAIN (TYPE_ARG_TYPES (
    1717              :                TREE_TYPE (sender_fn_expr->symtree->n.sym->backend_decl))))))))))
    1718              :     {
    1719           52 :       rhs_se.data_not_needed = 1;
    1720           52 :       gfc_conv_expr_descriptor (&rhs_se, rhs_expr);
    1721           52 :       gfc_add_block_to_block (&block, &rhs_se.pre);
    1722           52 :       if (rhs_expr->ts.type == BT_CHARACTER)
    1723              :         {
    1724           16 :           opt_rhs_charlen = gfc_build_addr_expr (
    1725              :             NULL_TREE, gfc_trans_force_lval (&block, rhs_se.string_length));
    1726           16 :           rhs_size = build_int_cstu (size_type_node, rhs_expr->ts.kind);
    1727              :         }
    1728              :       else
    1729              :         {
    1730           36 :           opt_rhs_charlen
    1731           36 :             = build_zero_cst (build_pointer_type (size_type_node));
    1732           36 :           rhs_size = TREE_TYPE (rhs_se.expr)->type_common.size_unit;
    1733              :         }
    1734           52 :       opt_rhs_desc = null_pointer_node;
    1735              :     }
    1736              :   else
    1737              :     {
    1738            8 :       gfc_ref *arr_ref = rhs_expr->ref;
    1739            8 :       while (arr_ref && arr_ref->type != REF_ARRAY)
    1740            0 :         arr_ref = arr_ref->next;
    1741            8 :       rhs_se.force_tmp
    1742           16 :         = (rhs_expr->shape == NULL
    1743            8 :            && (!arr_ref || !gfc_full_array_ref_p (arr_ref, nullptr)))
    1744           16 :           || !gfc_is_simply_contiguous (rhs_expr, false, false);
    1745            8 :       gfc_conv_expr_descriptor (&rhs_se, rhs_expr);
    1746            8 :       gfc_add_block_to_block (&block, &rhs_se.pre);
    1747            8 :       opt_rhs_desc = rhs_se.expr;
    1748            8 :       if (rhs_expr->ts.type == BT_CHARACTER)
    1749              :         {
    1750            0 :           opt_rhs_charlen = gfc_build_addr_expr (
    1751              :             NULL_TREE, gfc_trans_force_lval (&block, rhs_se.string_length));
    1752            0 :           rhs_size = build_int_cstu (size_type_node, rhs_expr->ts.kind);
    1753              :         }
    1754              :       else
    1755              :         {
    1756            8 :           opt_rhs_charlen
    1757            8 :             = build_zero_cst (build_pointer_type (size_type_node));
    1758            8 :           rhs_size = fold_build2 (
    1759              :             MULT_EXPR, size_type_node,
    1760              :             fold_convert (size_type_node,
    1761              :                           rhs_expr->shape
    1762              :                             ? conv_shape_to_cst (rhs_expr)
    1763              :                             : gfc_conv_descriptor_size (rhs_se.expr,
    1764              :                                                         rhs_expr->rank)),
    1765              :             fold_convert (size_type_node,
    1766              :                           gfc_conv_descriptor_span_get (rhs_se.expr)));
    1767              :         }
    1768              : 
    1769            8 :       opt_rhs_desc = gfc_build_addr_expr (NULL_TREE, opt_rhs_desc);
    1770              :     }
    1771          140 :   gfc_add_block_to_block (&block, &rhs_se.pre);
    1772              : 
    1773              :   /* Obtain token, offset and image index for the RHS.  */
    1774          140 :   rhs_image_index = gfc_caf_get_image_index (&block, rhs_expr, rhs_caf_decl);
    1775          140 :   gfc_get_caf_token_offset (&rhs_se, &rhs_token, NULL, rhs_caf_decl, NULL,
    1776              :                             rhs_expr);
    1777              : 
    1778              :   /* stat and team.  */
    1779          140 :   conv_stat_and_team (&block, lhs_expr, &lhs_stat, &lhs_team, &lhs_team_no);
    1780          140 :   conv_stat_and_team (&block, rhs_expr, &rhs_stat, &rhs_team, &rhs_team_no);
    1781              : 
    1782          140 :   sender_fn_index_tree
    1783          140 :     = conv_caf_func_index (&block, ns, "__caf_transfer_from_fn_index_%d",
    1784              :                            rhs_hash);
    1785          140 :   rhs_add_data_tree
    1786          140 :     = conv_caf_add_call_data (&block, ns,
    1787              :                               "__caf_transfer_from_remote_add_data_%d",
    1788              :                               rhs_add_data_sym, &rhs_add_data_size);
    1789          140 :   receiver_fn_index_tree
    1790          140 :     = conv_caf_func_index (&block, ns, "__caf_transfer_to_remote_fn_index_%d",
    1791              :                            lhs_hash);
    1792          140 :   lhs_add_data_tree
    1793          140 :     = conv_caf_add_call_data (&block, ns,
    1794              :                               "__caf_transfer_to_remote_add_data_%d",
    1795              :                               lhs_add_data_sym, &lhs_add_data_size);
    1796          140 :   ++caf_call_cnt;
    1797              : 
    1798          140 :   tmp = build_call_expr_loc (
    1799              :     input_location, gfor_fndecl_caf_transfer_between_remotes, 22, lhs_token,
    1800              :     opt_lhs_desc, opt_lhs_charlen, lhs_image_index, receiver_fn_index_tree,
    1801              :     lhs_add_data_tree, lhs_add_data_size, rhs_token, opt_rhs_desc,
    1802              :     opt_rhs_charlen, rhs_image_index, sender_fn_index_tree, rhs_add_data_tree,
    1803              :     rhs_add_data_size, rhs_size,
    1804              :     transfer_rank == 0 ? boolean_true_node : boolean_false_node, lhs_stat,
    1805              :     rhs_stat, lhs_team, lhs_team_no, rhs_team, rhs_team_no);
    1806              : 
    1807          140 :   gfc_add_expr_to_block (&block, tmp);
    1808          140 :   gfc_add_block_to_block (&block, &lhs_se.post);
    1809          140 :   gfc_add_block_to_block (&block, &rhs_se.post);
    1810              : 
    1811              :   /* It guarantees memory consistency within the same segment.  */
    1812          140 :   tmp = gfc_build_string_const (strlen ("memory") + 1, "memory");
    1813          140 :   tmp = build5_loc (input_location, ASM_EXPR, void_type_node,
    1814              :                     gfc_build_string_const (1, ""), NULL_TREE, NULL_TREE,
    1815              :                     tree_cons (NULL_TREE, tmp, NULL_TREE), NULL_TREE);
    1816          140 :   ASM_VOLATILE_P (tmp) = 1;
    1817          140 :   gfc_add_expr_to_block (&block, tmp);
    1818              : 
    1819          140 :   return gfc_finish_block (&block);
    1820              : }
    1821              : 
    1822              : 
    1823              : static void
    1824         1291 : trans_this_image (gfc_se * se, gfc_expr *expr)
    1825              : {
    1826         1291 :   stmtblock_t loop;
    1827         1291 :   tree type, desc, dim_arg, cond, tmp, m, loop_var, exit_label, min_var, lbound,
    1828              :     ubound, extent, ml, team;
    1829         1291 :   gfc_se argse;
    1830         1291 :   int rank, corank;
    1831              : 
    1832              :   /* The case -fcoarray=single is handled elsewhere.  */
    1833         1291 :   gcc_assert (flag_coarray != GFC_FCOARRAY_SINGLE);
    1834              : 
    1835              :   /* Translate team, if present.  */
    1836         1291 :   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         1273 :     team = null_pointer_node;
    1846              : 
    1847              :   /* Argument-free version: THIS_IMAGE().  */
    1848         1291 :   if (expr->value.function.actual->expr == NULL)
    1849              :     {
    1850          973 :       tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_this_image, 1,
    1851              :                                  team);
    1852          973 :       se->expr = fold_convert (gfc_get_int_type (gfc_default_integer_kind),
    1853              :                                tmp);
    1854          981 :       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 = se->loop->loopvar[0];
    1880           70 :       dim_arg = fold_build2_loc (input_location, PLUS_EXPR,
    1881              :                                  gfc_array_index_type, dim_arg,
    1882           70 :                                  build_int_cst (TREE_TYPE (dim_arg), 1));
    1883           70 :       gfc_advance_se_ss_chain (se);
    1884              :     }
    1885              :   else
    1886              :     {
    1887              :       /* Use the passed DIM= argument.  */
    1888          248 :       gcc_assert (expr->value.function.actual->next->expr);
    1889          248 :       gfc_init_se (&argse, NULL);
    1890          248 :       gfc_conv_expr_type (&argse, expr->value.function.actual->next->expr,
    1891              :                           gfc_array_index_type);
    1892          248 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    1893          248 :       dim_arg = argse.expr;
    1894              : 
    1895          248 :       if (INTEGER_CST_P (dim_arg))
    1896              :         {
    1897          132 :           if (wi::ltu_p (wi::to_wide (dim_arg), 1)
    1898          264 :               || wi::gtu_p (wi::to_wide (dim_arg),
    1899          132 :                             GFC_TYPE_ARRAY_CORANK (TREE_TYPE (desc))))
    1900            0 :             gfc_error ("%<dim%> argument of %s intrinsic at %L is not a valid "
    1901            0 :                        "dimension index", expr->value.function.isym->name,
    1902              :                        &expr->where);
    1903              :         }
    1904          116 :      else if (gfc_option.rtcheck & GFC_RTCHECK_BOUNDS)
    1905              :         {
    1906            0 :           dim_arg = gfc_evaluate_now (dim_arg, &se->pre);
    1907            0 :           cond = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    1908              :                                   dim_arg,
    1909            0 :                                   build_int_cst (TREE_TYPE (dim_arg), 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 (integer_type_node, NULL);
    1966          310 :   min_var = gfc_create_var (integer_type_node, 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, integer_type_node,
    1973              :                          fold_convert (integer_type_node, dim_arg),
    1974          310 :                          build_int_cst (integer_type_node, rank - 1));
    1975          310 :   tmp = fold_build2_loc (input_location, MIN_EXPR, integer_type_node,
    1976          310 :                          build_int_cst (integer_type_node, rank + corank - 2),
    1977              :                          tmp);
    1978          310 :   gfc_add_modify (&se->pre, min_var, tmp);
    1979              : 
    1980              :   /* i = rank.  */
    1981          310 :   tmp = build_int_cst (integer_type_node, rank);
    1982          310 :   gfc_add_modify (&se->pre, loop_var, tmp);
    1983              : 
    1984          310 :   exit_label = gfc_build_label_decl (NULL_TREE);
    1985          310 :   TREE_USED (exit_label) = 1;
    1986              : 
    1987              :   /* Loop body.  */
    1988          310 :   gfc_init_block (&loop);
    1989              : 
    1990              :   /* ml = m.  */
    1991          310 :   gfc_add_modify (&loop, ml, m);
    1992              : 
    1993              :   /* extent = ...  */
    1994          310 :   lbound = gfc_conv_descriptor_lbound_get (desc, loop_var);
    1995          310 :   ubound = gfc_conv_descriptor_ubound_get (desc, loop_var);
    1996          310 :   extent = gfc_conv_array_extent_dim (lbound, ubound, NULL);
    1997          310 :   extent = fold_convert (type, extent);
    1998              : 
    1999              :   /* m = m/extent.  */
    2000          310 :   gfc_add_modify (&loop, m,
    2001              :                   fold_build2_loc (input_location, TRUNC_DIV_EXPR, type,
    2002              :                           m, extent));
    2003              : 
    2004              :   /* Exit condition:  if (i >= min_var) goto exit_label.  */
    2005          310 :   cond = fold_build2_loc (input_location, GE_EXPR, logical_type_node, loop_var,
    2006              :                   min_var);
    2007          310 :   tmp = build1_v (GOTO_EXPR, exit_label);
    2008          310 :   tmp = fold_build3_loc (input_location, COND_EXPR, void_type_node, cond, tmp,
    2009              :                          build_empty_stmt (input_location));
    2010          310 :   gfc_add_expr_to_block (&loop, tmp);
    2011              : 
    2012              :   /* Increment loop variable: i++.  */
    2013          310 :   gfc_add_modify (&loop, loop_var,
    2014              :                   fold_build2_loc (input_location, PLUS_EXPR, integer_type_node,
    2015              :                                    loop_var,
    2016              :                                    integer_one_node));
    2017              : 
    2018              :   /* Making the loop... actually loop!  */
    2019          310 :   tmp = gfc_finish_block (&loop);
    2020          310 :   tmp = build1_v (LOOP_EXPR, tmp);
    2021          310 :   gfc_add_expr_to_block (&se->pre, tmp);
    2022              : 
    2023              :   /* The exit label.  */
    2024          310 :   tmp = build1_v (LABEL_EXPR, exit_label);
    2025          310 :   gfc_add_expr_to_block (&se->pre, tmp);
    2026              : 
    2027              :   /*  sub(co_dim) = (co_dim < corank) ? ml - m*extent + lcobound(dim_arg)
    2028              :                                       : m + lcobound(corank) */
    2029              : 
    2030          310 :   cond = fold_build2_loc (input_location, LT_EXPR, logical_type_node, dim_arg,
    2031          310 :                           build_int_cst (TREE_TYPE (dim_arg), corank));
    2032              : 
    2033          310 :   lbound = gfc_conv_descriptor_lbound_get (desc,
    2034              :                 fold_build2_loc (input_location, PLUS_EXPR,
    2035              :                                  gfc_array_index_type, dim_arg,
    2036          310 :                                  build_int_cst (TREE_TYPE (dim_arg), rank-1)));
    2037          310 :   lbound = fold_convert (type, lbound);
    2038              : 
    2039          310 :   tmp = fold_build2_loc (input_location, MINUS_EXPR, type, ml,
    2040              :                          fold_build2_loc (input_location, MULT_EXPR, type,
    2041              :                                           m, extent));
    2042          310 :   tmp = fold_build2_loc (input_location, PLUS_EXPR, type, tmp, lbound);
    2043              : 
    2044          310 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, cond, tmp,
    2045              :                               fold_build2_loc (input_location, PLUS_EXPR, type,
    2046              :                                                m, lbound));
    2047              : }
    2048              : 
    2049              : 
    2050              : /* Convert a call to image_status.  */
    2051              : 
    2052              : static void
    2053           25 : conv_intrinsic_image_status (gfc_se *se, gfc_expr *expr)
    2054              : {
    2055           25 :   unsigned int num_args;
    2056           25 :   tree *args, tmp;
    2057              : 
    2058           25 :   num_args = gfc_intrinsic_argument_list_length (expr);
    2059           25 :   args = XALLOCAVEC (tree, num_args);
    2060           25 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
    2061              :   /* In args[0] the number of the image the status is desired for has to be
    2062              :      given.  */
    2063              : 
    2064           25 :   if (flag_coarray == GFC_FCOARRAY_SINGLE)
    2065              :     {
    2066            0 :       tree arg;
    2067            0 :       arg = gfc_evaluate_now (args[0], &se->pre);
    2068            0 :       tmp = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    2069              :                              fold_convert (integer_type_node, arg),
    2070              :                              integer_one_node);
    2071            0 :       tmp = fold_build3_loc (input_location, COND_EXPR, integer_type_node,
    2072              :                              tmp, integer_zero_node,
    2073              :                              build_int_cst (integer_type_node,
    2074              :                                             GFC_STAT_STOPPED_IMAGE));
    2075              :     }
    2076           25 :   else if (flag_coarray == GFC_FCOARRAY_LIB)
    2077              :     /* The team is optional and therefore needs to be a pointer to the opaque
    2078              :        pointer.  */
    2079           29 :     tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_image_status, 2,
    2080              :                                args[0],
    2081              :                                num_args < 2
    2082              :                                  ? null_pointer_node
    2083            4 :                                  : gfc_build_addr_expr (NULL_TREE, args[1]));
    2084              :   else
    2085            0 :     gcc_unreachable ();
    2086              : 
    2087           25 :   se->expr = fold_convert (gfc_get_int_type (gfc_default_integer_kind), tmp);
    2088           25 : }
    2089              : 
    2090              : static void
    2091           21 : conv_intrinsic_team_number (gfc_se *se, gfc_expr *expr)
    2092              : {
    2093           21 :   unsigned int num_args;
    2094              : 
    2095           21 :   tree *args, tmp;
    2096              : 
    2097           21 :   num_args = gfc_intrinsic_argument_list_length (expr);
    2098           21 :   args = XALLOCAVEC (tree, num_args);
    2099           21 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
    2100              : 
    2101           21 :   if (flag_coarray ==
    2102           18 :       GFC_FCOARRAY_SINGLE && expr->value.function.actual->expr)
    2103            0 :     tmp = gfc_evaluate_now (args[0], &se->pre);
    2104           21 :   else if (flag_coarray == GFC_FCOARRAY_SINGLE)
    2105              :     {
    2106              :       // the value -1 represents that no team has been created yet
    2107           18 :       tmp = build_int_cst (integer_type_node, -1);
    2108              :     }
    2109            3 :   else if (flag_coarray == GFC_FCOARRAY_LIB && expr->value.function.actual->expr)
    2110            0 :     tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_team_number, 1,
    2111              :                                args[0]);
    2112            3 :   else if (flag_coarray == GFC_FCOARRAY_LIB)
    2113            3 :     tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_team_number, 1,
    2114              :                                null_pointer_node);
    2115              :   else
    2116            0 :     gcc_unreachable ();
    2117              : 
    2118           21 :   se->expr = fold_convert (gfc_get_int_type (gfc_default_integer_kind), tmp);
    2119           21 : }
    2120              : 
    2121              : 
    2122              : static void
    2123          193 : trans_image_index (gfc_se * se, gfc_expr *expr)
    2124              : {
    2125          193 :   tree num_images, cond, coindex, type, lbound, ubound, desc, subdesc, tmp,
    2126          193 :     invalid_bound, team = null_pointer_node, team_number = null_pointer_node;
    2127          193 :   gfc_se argse, subse;
    2128          193 :   int rank, corank, codim;
    2129              : 
    2130          193 :   type = gfc_get_int_type (gfc_default_integer_kind);
    2131          193 :   corank = expr->value.function.actual->expr->corank;
    2132          193 :   rank = expr->value.function.actual->expr->rank;
    2133              : 
    2134              :   /* Obtain the descriptor of the COARRAY.  */
    2135          193 :   gfc_init_se (&argse, NULL);
    2136          193 :   argse.want_coarray = 1;
    2137          193 :   gfc_conv_expr_descriptor (&argse, expr->value.function.actual->expr);
    2138          193 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    2139          193 :   gfc_add_block_to_block (&se->post, &argse.post);
    2140          193 :   desc = argse.expr;
    2141              : 
    2142              :   /* Obtain a handle to the SUB argument.  */
    2143          193 :   gfc_init_se (&subse, NULL);
    2144          193 :   gfc_conv_expr_descriptor (&subse, expr->value.function.actual->next->expr);
    2145          193 :   gfc_add_block_to_block (&se->pre, &subse.pre);
    2146          193 :   gfc_add_block_to_block (&se->post, &subse.post);
    2147          193 :   subdesc = build_fold_indirect_ref_loc (input_location,
    2148              :                         gfc_conv_descriptor_data_get (subse.expr));
    2149              : 
    2150          193 :   if (expr->value.function.actual->next->next->expr)
    2151              :     {
    2152            0 :       gfc_init_se (&argse, NULL);
    2153            0 :       gfc_conv_expr_descriptor (&argse,
    2154            0 :                                 expr->value.function.actual->next->next->expr);
    2155            0 :       if (expr->value.function.actual->next->next->expr->ts.type == BT_DERIVED)
    2156            0 :         team = argse.expr;
    2157              :       else
    2158            0 :         team_number = gfc_build_addr_expr (
    2159              :           NULL_TREE,
    2160              :           gfc_trans_force_lval (&argse.pre,
    2161              :                                 fold_convert (integer_type_node, argse.expr)));
    2162            0 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    2163            0 :       gfc_add_block_to_block (&se->post, &argse.post);
    2164              :     }
    2165              : 
    2166              :   /* Fortran 2008 does not require that the values remain in the cobounds,
    2167              :      thus we need explicitly check this - and return 0 if they are exceeded.  */
    2168              : 
    2169          193 :   lbound = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[rank+corank-1]);
    2170          193 :   tmp = gfc_build_array_ref (subdesc, gfc_rank_cst[corank-1], NULL);
    2171          193 :   invalid_bound = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    2172              :                                  fold_convert (gfc_array_index_type, tmp),
    2173              :                                  lbound);
    2174              : 
    2175          443 :   for (codim = corank + rank - 2; codim >= rank; codim--)
    2176              :     {
    2177          250 :       lbound = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[codim]);
    2178          250 :       ubound = gfc_conv_descriptor_ubound_get (desc, gfc_rank_cst[codim]);
    2179          250 :       tmp = gfc_build_array_ref (subdesc, gfc_rank_cst[codim-rank], NULL);
    2180          250 :       cond = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    2181              :                               fold_convert (gfc_array_index_type, tmp),
    2182              :                               lbound);
    2183          250 :       invalid_bound = fold_build2_loc (input_location, TRUTH_OR_EXPR,
    2184              :                                        logical_type_node, invalid_bound, cond);
    2185          250 :       cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    2186              :                               fold_convert (gfc_array_index_type, tmp),
    2187              :                               ubound);
    2188          250 :       invalid_bound = fold_build2_loc (input_location, TRUTH_OR_EXPR,
    2189              :                                        logical_type_node, invalid_bound, cond);
    2190              :     }
    2191              : 
    2192          193 :   invalid_bound = gfc_unlikely (invalid_bound, PRED_FORTRAN_INVALID_BOUND);
    2193              : 
    2194              :   /* See Fortran 2008, C.10 for the following algorithm.  */
    2195              : 
    2196              :   /* coindex = sub(corank) - lcobound(n).  */
    2197          193 :   coindex = fold_convert (gfc_array_index_type,
    2198              :                           gfc_build_array_ref (subdesc, gfc_rank_cst[corank-1],
    2199              :                                                NULL));
    2200          193 :   lbound = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[rank+corank-1]);
    2201          193 :   coindex = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
    2202              :                              fold_convert (gfc_array_index_type, coindex),
    2203              :                              lbound);
    2204              : 
    2205          443 :   for (codim = corank + rank - 2; codim >= rank; codim--)
    2206              :     {
    2207          250 :       tree extent, ubound;
    2208              : 
    2209              :       /* coindex = coindex*extent(codim) + sub(codim) - lcobound(codim).  */
    2210          250 :       lbound = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[codim]);
    2211          250 :       ubound = gfc_conv_descriptor_ubound_get (desc, gfc_rank_cst[codim]);
    2212          250 :       extent = gfc_conv_array_extent_dim (lbound, ubound, NULL);
    2213              : 
    2214              :       /* coindex *= extent.  */
    2215          250 :       coindex = fold_build2_loc (input_location, MULT_EXPR,
    2216              :                                  gfc_array_index_type, coindex, extent);
    2217              : 
    2218              :       /* coindex += sub(codim).  */
    2219          250 :       tmp = gfc_build_array_ref (subdesc, gfc_rank_cst[codim-rank], NULL);
    2220          250 :       coindex = fold_build2_loc (input_location, PLUS_EXPR,
    2221              :                                  gfc_array_index_type, coindex,
    2222              :                                  fold_convert (gfc_array_index_type, tmp));
    2223              : 
    2224              :       /* coindex -= lbound(codim).  */
    2225          250 :       lbound = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[codim]);
    2226          250 :       coindex = fold_build2_loc (input_location, MINUS_EXPR,
    2227              :                                  gfc_array_index_type, coindex, lbound);
    2228              :     }
    2229              : 
    2230          193 :   coindex = fold_build2_loc (input_location, PLUS_EXPR, type,
    2231              :                              fold_convert(type, coindex),
    2232              :                              build_int_cst (type, 1));
    2233              : 
    2234              :   /* Return 0 if "coindex" exceeds num_images().  */
    2235              : 
    2236          193 :   if (flag_coarray == GFC_FCOARRAY_SINGLE)
    2237          108 :     num_images = build_int_cst (type, 1);
    2238              :   else
    2239              :     {
    2240           85 :       tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_num_images, 2,
    2241              :                                  team, team_number);
    2242           85 :       num_images = fold_convert (type, tmp);
    2243              :     }
    2244              : 
    2245          193 :   tmp = gfc_create_var (type, NULL);
    2246          193 :   gfc_add_modify (&se->pre, tmp, coindex);
    2247              : 
    2248          193 :   cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node, tmp,
    2249              :                           num_images);
    2250          193 :   cond = fold_build2_loc (input_location, TRUTH_OR_EXPR, logical_type_node,
    2251              :                           cond,
    2252              :                           fold_convert (logical_type_node, invalid_bound));
    2253          193 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, cond,
    2254              :                               build_int_cst (type, 0), tmp);
    2255          193 : }
    2256              : 
    2257              : static void
    2258          806 : trans_num_images (gfc_se * se, gfc_expr *expr)
    2259              : {
    2260          806 :   tree tmp, team = null_pointer_node, team_number = null_pointer_node;
    2261          806 :   gfc_se argse;
    2262              : 
    2263          806 :   if (expr->value.function.actual->expr)
    2264              :     {
    2265           18 :       gfc_init_se (&argse, NULL);
    2266           18 :       gfc_conv_expr_val (&argse, expr->value.function.actual->expr);
    2267           18 :       if (expr->value.function.actual->expr->ts.type == BT_DERIVED)
    2268            6 :         team = argse.expr;
    2269              :       else
    2270           12 :         team_number = gfc_build_addr_expr (
    2271              :           NULL_TREE,
    2272              :           gfc_trans_force_lval (&se->pre,
    2273              :                                 fold_convert (integer_type_node, argse.expr)));
    2274           18 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    2275           18 :       gfc_add_block_to_block (&se->post, &argse.post);
    2276              :     }
    2277              : 
    2278          806 :   tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_num_images, 2,
    2279              :                              team, team_number);
    2280          806 :   se->expr = fold_convert (gfc_get_int_type (gfc_default_integer_kind), tmp);
    2281          806 : }
    2282              : 
    2283              : 
    2284              : static void
    2285        12136 : gfc_conv_intrinsic_rank (gfc_se *se, gfc_expr *expr)
    2286              : {
    2287        12136 :   gfc_se argse;
    2288              : 
    2289        12136 :   gfc_init_se (&argse, NULL);
    2290        12136 :   argse.data_not_needed = 1;
    2291        12136 :   argse.descriptor_only = 1;
    2292              : 
    2293        12136 :   gfc_conv_expr_descriptor (&argse, expr->value.function.actual->expr);
    2294        12136 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    2295        12136 :   gfc_add_block_to_block (&se->post, &argse.post);
    2296              : 
    2297        12136 :   se->expr = gfc_conv_descriptor_rank (argse.expr);
    2298        12136 :   se->expr = fold_convert (gfc_get_int_type (gfc_default_integer_kind),
    2299              :                            se->expr);
    2300        12136 : }
    2301              : 
    2302              : 
    2303              : static void
    2304          735 : gfc_conv_intrinsic_is_contiguous (gfc_se * se, gfc_expr * expr)
    2305              : {
    2306          735 :   gfc_expr *arg;
    2307          735 :   arg = expr->value.function.actual->expr;
    2308          735 :   gfc_conv_is_contiguous_expr (se, arg);
    2309          735 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), se->expr);
    2310          735 : }
    2311              : 
    2312              : /* This function does the work for gfc_conv_intrinsic_is_contiguous,
    2313              :    plus it can be called directly.  */
    2314              : 
    2315              : void
    2316         2088 : gfc_conv_is_contiguous_expr (gfc_se *se, gfc_expr *arg)
    2317              : {
    2318         2088 :   gfc_ss *ss;
    2319         2088 :   gfc_se argse;
    2320         2088 :   tree desc, tmp, stride, extent, cond;
    2321         2088 :   int i;
    2322         2088 :   tree fncall0;
    2323         2088 :   gfc_array_spec *as;
    2324         2088 :   gfc_symbol *sym = NULL;
    2325              : 
    2326         2088 :   if (arg->ts.type == BT_CLASS)
    2327           90 :     gfc_add_class_array_ref (arg);
    2328              : 
    2329         2088 :   if (arg->expr_type == EXPR_VARIABLE)
    2330         2052 :     sym = arg->symtree->n.sym;
    2331              : 
    2332         2088 :   ss = gfc_walk_expr (arg);
    2333         2088 :   gcc_assert (ss != gfc_ss_terminator);
    2334         2088 :   gfc_init_se (&argse, NULL);
    2335         2088 :   argse.data_not_needed = 1;
    2336         2088 :   gfc_conv_expr_descriptor (&argse, arg);
    2337              : 
    2338         2088 :   as = gfc_get_full_arrayspec_from_expr (arg);
    2339              : 
    2340              :   /* Create:  stride[0] == 1 && stride[1] == extend[0]*stride[0] && ...
    2341              :      Note in addition that zero-sized arrays don't count as contiguous.  */
    2342              : 
    2343         2088 :   if (as && as->type == AS_ASSUMED_RANK)
    2344              :     {
    2345              :       /* Build the call to is_contiguous0.  */
    2346          243 :       argse.want_pointer = 1;
    2347          243 :       gfc_conv_expr_descriptor (&argse, arg);
    2348          243 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    2349          243 :       gfc_add_block_to_block (&se->post, &argse.post);
    2350          243 :       desc = gfc_evaluate_now (argse.expr, &se->pre);
    2351          243 :       fncall0 = build_call_expr_loc (input_location,
    2352              :                                      gfor_fndecl_is_contiguous0, 1, desc);
    2353          243 :       se->expr = fncall0;
    2354          243 :       se->expr = convert (boolean_type_node, se->expr);
    2355              :     }
    2356              :   else
    2357              :     {
    2358         1845 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    2359         1845 :       gfc_add_block_to_block (&se->post, &argse.post);
    2360         1845 :       desc = gfc_evaluate_now (argse.expr, &se->pre);
    2361              : 
    2362         1845 :       stride = gfc_conv_descriptor_stride_get (desc, gfc_rank_cst[0]);
    2363         1845 :       cond = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node,
    2364         1845 :                               stride, build_int_cst (TREE_TYPE (stride), 1));
    2365              : 
    2366         2177 :       for (i = 0; i < arg->rank - 1; i++)
    2367              :         {
    2368          332 :           tmp = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[i]);
    2369          332 :           extent = gfc_conv_descriptor_ubound_get (desc, gfc_rank_cst[i]);
    2370          332 :           extent = fold_build2_loc (input_location, MINUS_EXPR,
    2371              :                                     gfc_array_index_type, extent, tmp);
    2372          332 :           extent = fold_build2_loc (input_location, PLUS_EXPR,
    2373              :                                     gfc_array_index_type, extent,
    2374              :                                     gfc_index_one_node);
    2375          332 :           tmp = gfc_conv_descriptor_stride_get (desc, gfc_rank_cst[i]);
    2376          332 :           tmp = fold_build2_loc (input_location, MULT_EXPR, TREE_TYPE (tmp),
    2377              :                                  tmp, extent);
    2378          332 :           stride = gfc_conv_descriptor_stride_get (desc, gfc_rank_cst[i+1]);
    2379          332 :           tmp = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node,
    2380              :                                  stride, tmp);
    2381          332 :           cond = fold_build2_loc (input_location, TRUTH_AND_EXPR,
    2382              :                                   boolean_type_node, cond, tmp);
    2383              :         }
    2384         1845 :       se->expr = cond;
    2385              :     }
    2386              : 
    2387              :   /* A pointer that does not have the CONTIGUOUS attribute needs to be checked
    2388              :      if it points to an array whose span differs from the element size.  */
    2389         2088 :   if (as && sym && IS_POINTER(sym) && !sym->attr.contiguous)
    2390              :     {
    2391          180 :       tree span = gfc_conv_descriptor_span_get (desc);
    2392          180 :       tmp = fold_convert (TREE_TYPE (span),
    2393              :                           gfc_conv_descriptor_elem_len (desc));
    2394          180 :       cond = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node,
    2395              :                               span, tmp);
    2396          180 :       se->expr = fold_build2_loc (input_location, TRUTH_ANDIF_EXPR,
    2397              :                                   boolean_type_node, cond,
    2398              :                                   convert (boolean_type_node, se->expr));
    2399              :     }
    2400              : 
    2401         2088 :   gfc_free_ss_chain (ss);
    2402         2088 : }
    2403              : 
    2404              : 
    2405              : /* Evaluate a single upper or lower bound.  */
    2406              : /* TODO: bound intrinsic generates way too much unnecessary code.  */
    2407              : 
    2408              : static void
    2409        16016 : gfc_conv_intrinsic_bound (gfc_se * se, gfc_expr * expr, enum gfc_isym_id op)
    2410              : {
    2411        16016 :   gfc_actual_arglist *arg;
    2412        16016 :   gfc_actual_arglist *arg2;
    2413        16016 :   tree desc;
    2414        16016 :   tree type;
    2415        16016 :   tree bound;
    2416        16016 :   tree tmp;
    2417        16016 :   tree cond, cond1;
    2418        16016 :   tree ubound;
    2419        16016 :   tree lbound;
    2420        16016 :   tree size;
    2421        16016 :   gfc_se argse;
    2422        16016 :   gfc_array_spec * as;
    2423        16016 :   bool assumed_rank_lb_one;
    2424              : 
    2425        16016 :   arg = expr->value.function.actual;
    2426        16016 :   arg2 = arg->next;
    2427              : 
    2428        16016 :   if (se->ss)
    2429              :     {
    2430              :       /* Create an implicit second parameter from the loop variable.  */
    2431         7830 :       gcc_assert (!arg2->expr || op == GFC_ISYM_SHAPE);
    2432         7830 :       gcc_assert (se->loop->dimen == 1);
    2433         7830 :       gcc_assert (se->ss->info->expr == expr);
    2434         7830 :       gfc_advance_se_ss_chain (se);
    2435         7830 :       bound = se->loop->loopvar[0];
    2436         7830 :       bound = fold_build2_loc (input_location, MINUS_EXPR,
    2437              :                                gfc_array_index_type, bound,
    2438              :                                se->loop->from[0]);
    2439              :     }
    2440              :   else
    2441              :     {
    2442              :       /* use the passed argument.  */
    2443         8186 :       gcc_assert (arg2->expr);
    2444         8186 :       gfc_init_se (&argse, NULL);
    2445         8186 :       gfc_conv_expr_type (&argse, arg2->expr, gfc_array_index_type);
    2446         8186 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    2447         8186 :       bound = argse.expr;
    2448              :       /* Convert from one based to zero based.  */
    2449         8186 :       bound = fold_build2_loc (input_location, MINUS_EXPR,
    2450              :                                gfc_array_index_type, bound,
    2451              :                                gfc_index_one_node);
    2452              :     }
    2453              : 
    2454              :   /* TODO: don't re-evaluate the descriptor on each iteration.  */
    2455              :   /* Get a descriptor for the first parameter.  */
    2456        16016 :   gfc_init_se (&argse, NULL);
    2457        16016 :   gfc_conv_expr_descriptor (&argse, arg->expr);
    2458        16016 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    2459        16016 :   gfc_add_block_to_block (&se->post, &argse.post);
    2460              : 
    2461        16016 :   desc = argse.expr;
    2462              : 
    2463        16016 :   as = gfc_get_full_arrayspec_from_expr (arg->expr);
    2464              : 
    2465        16016 :   if (INTEGER_CST_P (bound))
    2466              :     {
    2467         8066 :       gcc_assert (op != GFC_ISYM_SHAPE);
    2468         7829 :       if (((!as || as->type != AS_ASSUMED_RANK)
    2469         7206 :            && wi::geu_p (wi::to_wide (bound),
    2470         7206 :                          GFC_TYPE_ARRAY_RANK (TREE_TYPE (desc))))
    2471        16132 :           || wi::gtu_p (wi::to_wide (bound), GFC_MAX_DIMENSIONS))
    2472            0 :         gfc_error ("%<dim%> argument of %s intrinsic at %L is not a valid "
    2473              :                    "dimension index",
    2474              :                    (op == GFC_ISYM_UBOUND) ? "UBOUND" : "LBOUND",
    2475              :                    &expr->where);
    2476              :     }
    2477              : 
    2478        16016 :   if (!INTEGER_CST_P (bound) || (as && as->type == AS_ASSUMED_RANK))
    2479              :     {
    2480         8810 :       if (gfc_option.rtcheck & GFC_RTCHECK_BOUNDS)
    2481              :         {
    2482          651 :           bound = gfc_evaluate_now (bound, &se->pre);
    2483          651 :           cond = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    2484          651 :                                   bound, build_int_cst (TREE_TYPE (bound), 0));
    2485          651 :           if (as && as->type == AS_ASSUMED_RANK)
    2486          546 :             tmp = gfc_conv_descriptor_rank (desc);
    2487              :           else
    2488          105 :             tmp = gfc_rank_cst[GFC_TYPE_ARRAY_RANK (TREE_TYPE (desc))];
    2489          651 :           tmp = fold_build2_loc (input_location, GE_EXPR, logical_type_node,
    2490          651 :                                  bound, fold_convert(TREE_TYPE (bound), tmp));
    2491          651 :           cond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    2492              :                                   logical_type_node, cond, tmp);
    2493          651 :           gfc_trans_runtime_check (true, false, cond, &se->pre, &expr->where,
    2494              :                                    gfc_msg_fault);
    2495              :         }
    2496              :     }
    2497              : 
    2498              :   /* Take care of the lbound shift for assumed-rank arrays that are
    2499              :      nonallocatable and nonpointers. Those have a lbound of 1.  */
    2500        15528 :   assumed_rank_lb_one = as && as->type == AS_ASSUMED_RANK
    2501        10929 :                         && ((arg->expr->ts.type != BT_CLASS
    2502         1945 :                              && !arg->expr->symtree->n.sym->attr.allocatable
    2503         1602 :                              && !arg->expr->symtree->n.sym->attr.pointer)
    2504          896 :                             || (arg->expr->ts.type == BT_CLASS
    2505          174 :                              && !CLASS_DATA (arg->expr)->attr.allocatable
    2506          138 :                              && !CLASS_DATA (arg->expr)->attr.class_pointer));
    2507              : 
    2508        16016 :   ubound = gfc_conv_descriptor_ubound_get (desc, bound);
    2509        16016 :   lbound = gfc_conv_descriptor_lbound_get (desc, bound);
    2510        16016 :   size = fold_build2_loc (input_location, MINUS_EXPR,
    2511              :                           gfc_array_index_type, ubound, lbound);
    2512        16016 :   size = fold_build2_loc (input_location, PLUS_EXPR,
    2513              :                           gfc_array_index_type, size, gfc_index_one_node);
    2514              : 
    2515              :   /* 13.14.53: Result value for LBOUND
    2516              : 
    2517              :      Case (i): For an array section or for an array expression other than a
    2518              :                whole array or array structure component, LBOUND(ARRAY, DIM)
    2519              :                has the value 1.  For a whole array or array structure
    2520              :                component, LBOUND(ARRAY, DIM) has the value:
    2521              :                  (a) equal to the lower bound for subscript DIM of ARRAY if
    2522              :                      dimension DIM of ARRAY does not have extent zero
    2523              :                      or if ARRAY is an assumed-size array of rank DIM,
    2524              :               or (b) 1 otherwise.
    2525              : 
    2526              :      13.14.113: Result value for UBOUND
    2527              : 
    2528              :      Case (i): For an array section or for an array expression other than a
    2529              :                whole array or array structure component, UBOUND(ARRAY, DIM)
    2530              :                has the value equal to the number of elements in the given
    2531              :                dimension; otherwise, it has a value equal to the upper bound
    2532              :                for subscript DIM of ARRAY if dimension DIM of ARRAY does
    2533              :                not have size zero and has value zero if dimension DIM has
    2534              :                size zero.  */
    2535              : 
    2536        16016 :   if (op == GFC_ISYM_LBOUND && assumed_rank_lb_one)
    2537          532 :     se->expr = gfc_index_one_node;
    2538        15484 :   else if (as)
    2539              :     {
    2540        14996 :       if (op == GFC_ISYM_UBOUND)
    2541              :         {
    2542         5346 :           cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    2543              :                                   size, gfc_index_zero_node);
    2544        10088 :           se->expr = fold_build3_loc (input_location, COND_EXPR,
    2545              :                                       gfc_array_index_type, cond,
    2546              :                                       (assumed_rank_lb_one ? size : ubound),
    2547              :                                       gfc_index_zero_node);
    2548              :         }
    2549         9650 :       else if (op == GFC_ISYM_LBOUND)
    2550              :         {
    2551         4869 :           cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    2552              :                                   size, gfc_index_zero_node);
    2553         4869 :           if (as->type == AS_ASSUMED_SIZE)
    2554              :             {
    2555           98 :               cond1 = fold_build2_loc (input_location, EQ_EXPR,
    2556              :                                        logical_type_node, bound,
    2557           98 :                                        build_int_cst (TREE_TYPE (bound),
    2558           98 :                                                       arg->expr->rank - 1));
    2559           98 :               cond = fold_build2_loc (input_location, TRUTH_OR_EXPR,
    2560              :                                       logical_type_node, cond, cond1);
    2561              :             }
    2562         4869 :           se->expr = fold_build3_loc (input_location, COND_EXPR,
    2563              :                                       gfc_array_index_type, cond,
    2564              :                                       lbound, gfc_index_one_node);
    2565              :         }
    2566         4781 :       else if (op == GFC_ISYM_SHAPE)
    2567         4781 :         se->expr = fold_build2_loc (input_location, MAX_EXPR,
    2568              :                                     gfc_array_index_type, size,
    2569              :                                     gfc_index_zero_node);
    2570              :       else
    2571            0 :         gcc_unreachable ();
    2572              : 
    2573              :       /* According to F2018 16.9.172, para 5, an assumed rank object,
    2574              :          argument associated with and assumed size array, has the ubound
    2575              :          of the final dimension set to -1 and UBOUND must return this.
    2576              :          Similarly for the SHAPE intrinsic.  */
    2577        14996 :       if (op != GFC_ISYM_LBOUND && assumed_rank_lb_one)
    2578              :         {
    2579          793 :           tree minus_one = build_int_cst (gfc_array_index_type, -1);
    2580          793 :           tree rank = fold_convert (gfc_array_index_type,
    2581              :                                     gfc_conv_descriptor_rank (desc));
    2582          793 :           rank = fold_build2_loc (input_location, PLUS_EXPR,
    2583              :                                   gfc_array_index_type, rank, minus_one);
    2584              : 
    2585              :           /* Fix the expression to stop it from becoming even more
    2586              :              complicated.  */
    2587          793 :           se->expr = gfc_evaluate_now (se->expr, &se->pre);
    2588              : 
    2589              :           /* Descriptors for assumed-size arrays have ubound = -1
    2590              :              in the last dimension.  */
    2591          793 :           cond1 = fold_build2_loc (input_location, EQ_EXPR,
    2592              :                                    logical_type_node, ubound, minus_one);
    2593          793 :           cond = fold_build2_loc (input_location, EQ_EXPR,
    2594              :                                   logical_type_node, bound, rank);
    2595          793 :           cond = fold_build2_loc (input_location, TRUTH_AND_EXPR,
    2596              :                                   logical_type_node, cond, cond1);
    2597          793 :           se->expr = fold_build3_loc (input_location, COND_EXPR,
    2598              :                                       gfc_array_index_type, cond,
    2599              :                                       minus_one, se->expr);
    2600              :         }
    2601              :     }
    2602              :   else   /* as is null; this is an old-fashioned 1-based array.  */
    2603              :     {
    2604          488 :       if (op != GFC_ISYM_LBOUND)
    2605              :         {
    2606          386 :           se->expr = fold_build2_loc (input_location, MAX_EXPR,
    2607              :                                       gfc_array_index_type, size,
    2608              :                                       gfc_index_zero_node);
    2609              :         }
    2610              :       else
    2611          102 :         se->expr = gfc_index_one_node;
    2612              :     }
    2613              : 
    2614              : 
    2615        16016 :   type = gfc_typenode_for_spec (&expr->ts);
    2616        16016 :   se->expr = convert (type, se->expr);
    2617        16016 : }
    2618              : 
    2619              : 
    2620              : static void
    2621          666 : conv_intrinsic_cobound (gfc_se * se, gfc_expr * expr)
    2622              : {
    2623          666 :   gfc_actual_arglist *arg;
    2624          666 :   gfc_actual_arglist *arg2;
    2625          666 :   gfc_se argse;
    2626          666 :   tree bound, lbound, resbound, resbound2, desc, cond, tmp;
    2627          666 :   tree type;
    2628          666 :   int corank;
    2629              : 
    2630          666 :   gcc_assert (expr->value.function.isym->id == GFC_ISYM_LCOBOUND
    2631              :               || expr->value.function.isym->id == GFC_ISYM_UCOBOUND
    2632              :               || expr->value.function.isym->id == GFC_ISYM_COSHAPE
    2633              :               || expr->value.function.isym->id == GFC_ISYM_THIS_IMAGE);
    2634              : 
    2635          666 :   arg = expr->value.function.actual;
    2636          666 :   arg2 = arg->next;
    2637              : 
    2638          666 :   gcc_assert (arg->expr->expr_type == EXPR_VARIABLE);
    2639          666 :   corank = arg->expr->corank;
    2640              : 
    2641          666 :   gfc_init_se (&argse, NULL);
    2642          666 :   argse.want_coarray = 1;
    2643              : 
    2644          666 :   gfc_conv_expr_descriptor (&argse, arg->expr);
    2645          666 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    2646          666 :   gfc_add_block_to_block (&se->post, &argse.post);
    2647          666 :   desc = argse.expr;
    2648              : 
    2649          666 :   if (se->ss)
    2650              :     {
    2651              :       /* Create an implicit second parameter from the loop variable.  */
    2652          238 :       gcc_assert (!arg2->expr
    2653              :                   || expr->value.function.isym->id == GFC_ISYM_COSHAPE);
    2654          238 :       gcc_assert (corank > 0);
    2655          238 :       gcc_assert (se->loop->dimen == 1);
    2656          238 :       gcc_assert (se->ss->info->expr == expr);
    2657              : 
    2658          238 :       bound = se->loop->loopvar[0];
    2659          476 :       bound = fold_build2_loc (input_location, PLUS_EXPR, gfc_array_index_type,
    2660          238 :                                bound, gfc_rank_cst[arg->expr->rank]);
    2661          238 :       gfc_advance_se_ss_chain (se);
    2662              :     }
    2663          428 :   else if (expr->value.function.isym->id == GFC_ISYM_COSHAPE)
    2664            0 :     bound = gfc_index_zero_node;
    2665              :   else
    2666              :     {
    2667          428 :       gcc_assert (arg2->expr);
    2668          428 :       gfc_init_se (&argse, NULL);
    2669          428 :       gfc_conv_expr_type (&argse, arg2->expr, gfc_array_index_type);
    2670          428 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    2671          428 :       bound = argse.expr;
    2672              : 
    2673          428 :       if (INTEGER_CST_P (bound))
    2674              :         {
    2675          334 :           if (wi::ltu_p (wi::to_wide (bound), 1)
    2676          668 :               || wi::gtu_p (wi::to_wide (bound),
    2677          334 :                             GFC_TYPE_ARRAY_CORANK (TREE_TYPE (desc))))
    2678            0 :             gfc_error ("%<dim%> argument of %s intrinsic at %L is not a valid "
    2679            0 :                        "dimension index", expr->value.function.isym->name,
    2680              :                        &expr->where);
    2681              :         }
    2682           94 :       else if (gfc_option.rtcheck & GFC_RTCHECK_BOUNDS)
    2683              :         {
    2684           36 :           bound = gfc_evaluate_now (bound, &se->pre);
    2685           36 :           cond = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    2686           36 :                                   bound, build_int_cst (TREE_TYPE (bound), 1));
    2687           36 :           tmp = gfc_rank_cst[GFC_TYPE_ARRAY_CORANK (TREE_TYPE (desc))];
    2688           36 :           tmp = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    2689              :                                  bound, tmp);
    2690           36 :           cond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    2691              :                                   logical_type_node, cond, tmp);
    2692           36 :           gfc_trans_runtime_check (true, false, cond, &se->pre, &expr->where,
    2693              :                                    gfc_msg_fault);
    2694              :         }
    2695              : 
    2696              : 
    2697              :       /* Subtract 1 to get to zero based and add dimensions.  */
    2698          428 :       switch (arg->expr->rank)
    2699              :         {
    2700           70 :         case 0:
    2701           70 :           bound = fold_build2_loc (input_location, MINUS_EXPR,
    2702              :                                    gfc_array_index_type, bound,
    2703              :                                    gfc_index_one_node);
    2704              :         case 1:
    2705              :           break;
    2706           38 :         default:
    2707           38 :           bound = fold_build2_loc (input_location, PLUS_EXPR,
    2708              :                                    gfc_array_index_type, bound,
    2709           38 :                                    gfc_rank_cst[arg->expr->rank - 1]);
    2710              :         }
    2711              :     }
    2712              : 
    2713          666 :   resbound = gfc_conv_descriptor_lbound_get (desc, bound);
    2714              : 
    2715              :   /* COSHAPE needs the lower cobound and so it is stashed here before resbound
    2716              :      is overwritten.  */
    2717          666 :   lbound = NULL_TREE;
    2718          666 :   if (expr->value.function.isym->id == GFC_ISYM_COSHAPE)
    2719            4 :     lbound = resbound;
    2720              : 
    2721              :   /* Handle UCOBOUND with special handling of the last codimension.  */
    2722          666 :   if (expr->value.function.isym->id == GFC_ISYM_UCOBOUND
    2723          422 :       || expr->value.function.isym->id == GFC_ISYM_COSHAPE)
    2724              :     {
    2725              :       /* Last codimension: For -fcoarray=single just return
    2726              :          the lcobound - otherwise add
    2727              :            ceiling (real (num_images ()) / real (size)) - 1
    2728              :          = (num_images () + size - 1) / size - 1
    2729              :          = (num_images - 1) / size(),
    2730              :          where size is the product of the extent of all but the last
    2731              :          codimension.  */
    2732              : 
    2733          248 :       if (flag_coarray != GFC_FCOARRAY_SINGLE && corank > 1)
    2734              :         {
    2735           64 :           tree cosize;
    2736              : 
    2737           64 :           cosize = gfc_conv_descriptor_cosize (desc, arg->expr->rank, corank);
    2738           64 :           tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_num_images,
    2739              :                                      2, null_pointer_node, null_pointer_node);
    2740           64 :           tmp = fold_build2_loc (input_location, MINUS_EXPR,
    2741              :                                  gfc_array_index_type,
    2742              :                                  fold_convert (gfc_array_index_type, tmp),
    2743              :                                  build_int_cst (gfc_array_index_type, 1));
    2744           64 :           tmp = fold_build2_loc (input_location, TRUNC_DIV_EXPR,
    2745              :                                  gfc_array_index_type, tmp,
    2746              :                                  fold_convert (gfc_array_index_type, cosize));
    2747           64 :           resbound = fold_build2_loc (input_location, PLUS_EXPR,
    2748              :                                       gfc_array_index_type, resbound, tmp);
    2749           64 :         }
    2750          184 :       else if (flag_coarray != GFC_FCOARRAY_SINGLE)
    2751              :         {
    2752              :           /* ubound = lbound + num_images() - 1.  */
    2753           44 :           tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_num_images,
    2754              :                                      2, null_pointer_node, null_pointer_node);
    2755           44 :           tmp = fold_build2_loc (input_location, MINUS_EXPR,
    2756              :                                  gfc_array_index_type,
    2757              :                                  fold_convert (gfc_array_index_type, tmp),
    2758              :                                  build_int_cst (gfc_array_index_type, 1));
    2759           44 :           resbound = fold_build2_loc (input_location, PLUS_EXPR,
    2760              :                                       gfc_array_index_type, resbound, tmp);
    2761              :         }
    2762              : 
    2763          248 :       if (corank > 1)
    2764              :         {
    2765          171 :           cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    2766              :                                   bound,
    2767          171 :                                   build_int_cst (TREE_TYPE (bound),
    2768          171 :                                                  arg->expr->rank + corank - 1));
    2769              : 
    2770          171 :           resbound2 = gfc_conv_descriptor_ubound_get (desc, bound);
    2771          171 :           se->expr = fold_build3_loc (input_location, COND_EXPR,
    2772              :                                       gfc_array_index_type, cond,
    2773              :                                       resbound, resbound2);
    2774              :         }
    2775              :       else
    2776           77 :         se->expr = resbound;
    2777              : 
    2778              :       /* Get the coshape for this dimension.  */
    2779          248 :       if (expr->value.function.isym->id == GFC_ISYM_COSHAPE)
    2780              :         {
    2781            4 :           gcc_assert (lbound != NULL_TREE);
    2782            4 :           se->expr = fold_build2_loc (input_location, MINUS_EXPR,
    2783              :                                       gfc_array_index_type,
    2784              :                                       se->expr, lbound);
    2785            4 :           se->expr = fold_build2_loc (input_location, PLUS_EXPR,
    2786              :                                       gfc_array_index_type,
    2787              :                                       se->expr, gfc_index_one_node);
    2788              :         }
    2789              :     }
    2790              :   else
    2791          418 :     se->expr = resbound;
    2792              : 
    2793          666 :   type = gfc_typenode_for_spec (&expr->ts);
    2794          666 :   se->expr = convert (type, se->expr);
    2795          666 : }
    2796              : 
    2797              : 
    2798              : static void
    2799         2193 : conv_intrinsic_stride (gfc_se * se, gfc_expr * expr)
    2800              : {
    2801         2193 :   gfc_actual_arglist *array_arg;
    2802         2193 :   gfc_actual_arglist *dim_arg;
    2803         2193 :   gfc_se argse;
    2804         2193 :   tree desc, tmp;
    2805              : 
    2806         2193 :   array_arg = expr->value.function.actual;
    2807         2193 :   dim_arg = array_arg->next;
    2808              : 
    2809         2193 :   gcc_assert (array_arg->expr->expr_type == EXPR_VARIABLE);
    2810              : 
    2811         2193 :   gfc_init_se (&argse, NULL);
    2812         2193 :   gfc_conv_expr_descriptor (&argse, array_arg->expr);
    2813         2193 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    2814         2193 :   gfc_add_block_to_block (&se->post, &argse.post);
    2815         2193 :   desc = argse.expr;
    2816              : 
    2817         2193 :   gcc_assert (dim_arg->expr);
    2818         2193 :   gfc_init_se (&argse, NULL);
    2819         2193 :   gfc_conv_expr_type (&argse, dim_arg->expr, gfc_array_index_type);
    2820         2193 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    2821         2193 :   tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
    2822              :                          argse.expr, gfc_index_one_node);
    2823         2193 :   se->expr = gfc_conv_descriptor_stride_get (desc, tmp);
    2824         2193 : }
    2825              : 
    2826              : static void
    2827         7818 : gfc_conv_intrinsic_abs (gfc_se * se, gfc_expr * expr)
    2828              : {
    2829         7818 :   tree arg, cabs;
    2830              : 
    2831         7818 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    2832              : 
    2833         7818 :   switch (expr->value.function.actual->expr->ts.type)
    2834              :     {
    2835         6812 :     case BT_INTEGER:
    2836         6812 :     case BT_REAL:
    2837         6812 :       se->expr = fold_build1_loc (input_location, ABS_EXPR, TREE_TYPE (arg),
    2838              :                                   arg);
    2839         6812 :       break;
    2840              : 
    2841         1006 :     case BT_COMPLEX:
    2842         1006 :       cabs = gfc_builtin_decl_for_float_kind (BUILT_IN_CABS, expr->ts.kind);
    2843         1006 :       se->expr = build_call_expr_loc (input_location, cabs, 1, arg);
    2844         1006 :       break;
    2845              : 
    2846            0 :     default:
    2847            0 :       gcc_unreachable ();
    2848              :     }
    2849         7818 : }
    2850              : 
    2851              : 
    2852              : /* Create a complex value from one or two real components.  */
    2853              : 
    2854              : static void
    2855          491 : gfc_conv_intrinsic_cmplx (gfc_se * se, gfc_expr * expr, int both)
    2856              : {
    2857          491 :   tree real;
    2858          491 :   tree imag;
    2859          491 :   tree type;
    2860          491 :   tree *args;
    2861          491 :   unsigned int num_args;
    2862              : 
    2863          491 :   num_args = gfc_intrinsic_argument_list_length (expr);
    2864          491 :   args = XALLOCAVEC (tree, num_args);
    2865              : 
    2866          491 :   type = gfc_typenode_for_spec (&expr->ts);
    2867          491 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
    2868          491 :   real = convert (TREE_TYPE (type), args[0]);
    2869          491 :   if (both)
    2870          447 :     imag = convert (TREE_TYPE (type), args[1]);
    2871           44 :   else if (TREE_CODE (TREE_TYPE (args[0])) == COMPLEX_TYPE)
    2872              :     {
    2873           30 :       imag = fold_build1_loc (input_location, IMAGPART_EXPR,
    2874           30 :                               TREE_TYPE (TREE_TYPE (args[0])), args[0]);
    2875           30 :       imag = convert (TREE_TYPE (type), imag);
    2876              :     }
    2877              :   else
    2878           14 :     imag = build_real_from_int_cst (TREE_TYPE (type), integer_zero_node);
    2879              : 
    2880          491 :   se->expr = fold_build2_loc (input_location, COMPLEX_EXPR, type, real, imag);
    2881          491 : }
    2882              : 
    2883              : 
    2884              : /* Remainder function MOD(A, P) = A - INT(A / P) * P
    2885              :                       MODULO(A, P) = A - FLOOR (A / P) * P
    2886              : 
    2887              :    The obvious algorithms above are numerically instable for large
    2888              :    arguments, hence these intrinsics are instead implemented via calls
    2889              :    to the fmod family of functions.  It is the responsibility of the
    2890              :    user to ensure that the second argument is non-zero.  */
    2891              : 
    2892              : static void
    2893         3573 : gfc_conv_intrinsic_mod (gfc_se * se, gfc_expr * expr, int modulo)
    2894              : {
    2895         3573 :   tree type;
    2896         3573 :   tree tmp;
    2897         3573 :   tree test;
    2898         3573 :   tree test2;
    2899         3573 :   tree fmod;
    2900         3573 :   tree zero;
    2901         3573 :   tree args[2];
    2902              : 
    2903         3573 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    2904              : 
    2905         3573 :   switch (expr->ts.type)
    2906              :     {
    2907         3420 :     case BT_INTEGER:
    2908              :       /* Integer case is easy, we've got a builtin op.  */
    2909         3420 :       type = TREE_TYPE (args[0]);
    2910              : 
    2911         3420 :       if (modulo)
    2912          409 :        se->expr = fold_build2_loc (input_location, FLOOR_MOD_EXPR, type,
    2913              :                                    args[0], args[1]);
    2914              :       else
    2915         3011 :        se->expr = fold_build2_loc (input_location, TRUNC_MOD_EXPR, type,
    2916              :                                    args[0], args[1]);
    2917              :       break;
    2918              : 
    2919           30 :     case BT_UNSIGNED:
    2920              :       /* Even easier, we only need one.  */
    2921           30 :       type = TREE_TYPE (args[0]);
    2922           30 :       se->expr = fold_build2_loc (input_location, TRUNC_MOD_EXPR, type,
    2923              :                                   args[0], args[1]);
    2924           30 :       break;
    2925              : 
    2926          123 :     case BT_REAL:
    2927          123 :       fmod = NULL_TREE;
    2928              :       /* Check if we have a builtin fmod.  */
    2929          123 :       fmod = gfc_builtin_decl_for_float_kind (BUILT_IN_FMOD, expr->ts.kind);
    2930              : 
    2931              :       /* The builtin should always be available.  */
    2932          123 :       gcc_assert (fmod != NULL_TREE);
    2933              : 
    2934          123 :       tmp = build_addr (fmod);
    2935          123 :       se->expr = build_call_array_loc (input_location,
    2936          123 :                                        TREE_TYPE (TREE_TYPE (fmod)),
    2937              :                                        tmp, 2, args);
    2938          123 :       if (modulo == 0)
    2939          123 :         return;
    2940              : 
    2941           25 :       type = TREE_TYPE (args[0]);
    2942              : 
    2943           25 :       args[0] = gfc_evaluate_now (args[0], &se->pre);
    2944           25 :       args[1] = gfc_evaluate_now (args[1], &se->pre);
    2945              : 
    2946              :       /* Definition:
    2947              :          modulo = arg - floor (arg/arg2) * arg2
    2948              : 
    2949              :          In order to calculate the result accurately, we use the fmod
    2950              :          function as follows.
    2951              : 
    2952              :          res = fmod (arg, arg2);
    2953              :          if (res)
    2954              :            {
    2955              :              if ((arg < 0) xor (arg2 < 0))
    2956              :                res += arg2;
    2957              :            }
    2958              :          else
    2959              :            res = copysign (0., arg2);
    2960              : 
    2961              :          => As two nested ternary exprs:
    2962              : 
    2963              :          res = res ? (((arg < 0) xor (arg2 < 0)) ? res + arg2 : res)
    2964              :                : copysign (0., arg2);
    2965              : 
    2966              :       */
    2967              : 
    2968           25 :       zero = gfc_build_const (type, integer_zero_node);
    2969           25 :       tmp = gfc_evaluate_now (se->expr, &se->pre);
    2970           25 :       if (!flag_signed_zeros)
    2971              :         {
    2972            1 :           test = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    2973              :                                   args[0], zero);
    2974            1 :           test2 = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    2975              :                                    args[1], zero);
    2976            1 :           test2 = fold_build2_loc (input_location, TRUTH_XOR_EXPR,
    2977              :                                    logical_type_node, test, test2);
    2978            1 :           test = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    2979              :                                   tmp, zero);
    2980            1 :           test = fold_build2_loc (input_location, TRUTH_AND_EXPR,
    2981              :                                   logical_type_node, test, test2);
    2982            1 :           test = gfc_evaluate_now (test, &se->pre);
    2983            1 :           se->expr = fold_build3_loc (input_location, COND_EXPR, type, test,
    2984              :                                       fold_build2_loc (input_location,
    2985              :                                                        PLUS_EXPR,
    2986              :                                                        type, tmp, args[1]),
    2987              :                                       tmp);
    2988              :         }
    2989              :       else
    2990              :         {
    2991           24 :           tree expr1, copysign, cscall;
    2992           24 :           copysign = gfc_builtin_decl_for_float_kind (BUILT_IN_COPYSIGN,
    2993              :                                                       expr->ts.kind);
    2994           24 :           test = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    2995              :                                   args[0], zero);
    2996           24 :           test2 = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
    2997              :                                    args[1], zero);
    2998           24 :           test2 = fold_build2_loc (input_location, TRUTH_XOR_EXPR,
    2999              :                                    logical_type_node, test, test2);
    3000           24 :           expr1 = fold_build3_loc (input_location, COND_EXPR, type, test2,
    3001              :                                    fold_build2_loc (input_location,
    3002              :                                                     PLUS_EXPR,
    3003              :                                                     type, tmp, args[1]),
    3004              :                                    tmp);
    3005           24 :           test = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    3006              :                                   tmp, zero);
    3007           24 :           cscall = build_call_expr_loc (input_location, copysign, 2, zero,
    3008              :                                         args[1]);
    3009           24 :           se->expr = fold_build3_loc (input_location, COND_EXPR, type, test,
    3010              :                                       expr1, cscall);
    3011              :         }
    3012              :       return;
    3013              : 
    3014            0 :     default:
    3015            0 :       gcc_unreachable ();
    3016              :     }
    3017              : }
    3018              : 
    3019              : /* DSHIFTL(I,J,S) = (I << S) | (J >> (BITSIZE(J) - S))
    3020              :    DSHIFTR(I,J,S) = (I << (BITSIZE(I) - S)) | (J >> S)
    3021              :    where the right shifts are logical (i.e. 0's are shifted in).
    3022              :    Because SHIFT_EXPR's want shifts strictly smaller than the integral
    3023              :    type width, we have to special-case both S == 0 and S == BITSIZE(J):
    3024              :      DSHIFTL(I,J,0) = I
    3025              :      DSHIFTL(I,J,BITSIZE) = J
    3026              :      DSHIFTR(I,J,0) = J
    3027              :      DSHIFTR(I,J,BITSIZE) = I.  */
    3028              : 
    3029              : static void
    3030          132 : gfc_conv_intrinsic_dshift (gfc_se * se, gfc_expr * expr, bool dshiftl)
    3031              : {
    3032          132 :   tree type, utype, stype, arg1, arg2, shift, res, left, right;
    3033          132 :   tree args[3], cond, tmp;
    3034          132 :   int bitsize;
    3035              : 
    3036          132 :   gfc_conv_intrinsic_function_args (se, expr, args, 3);
    3037              : 
    3038          132 :   gcc_assert (TREE_TYPE (args[0]) == TREE_TYPE (args[1]));
    3039          132 :   type = TREE_TYPE (args[0]);
    3040          132 :   bitsize = TYPE_PRECISION (type);
    3041          132 :   utype = unsigned_type_for (type);
    3042          132 :   stype = TREE_TYPE (args[2]);
    3043              : 
    3044          132 :   arg1 = gfc_evaluate_now (args[0], &se->pre);
    3045          132 :   arg2 = gfc_evaluate_now (args[1], &se->pre);
    3046          132 :   shift = gfc_evaluate_now (args[2], &se->pre);
    3047              : 
    3048              :   /* The generic case.  */
    3049          132 :   tmp = fold_build2_loc (input_location, MINUS_EXPR, stype,
    3050          132 :                          build_int_cst (stype, bitsize), shift);
    3051          198 :   left = fold_build2_loc (input_location, LSHIFT_EXPR, type,
    3052              :                           arg1, dshiftl ? shift : tmp);
    3053              : 
    3054          198 :   right = fold_build2_loc (input_location, RSHIFT_EXPR, utype,
    3055              :                            fold_convert (utype, arg2), dshiftl ? tmp : shift);
    3056          132 :   right = fold_convert (type, right);
    3057              : 
    3058          132 :   res = fold_build2_loc (input_location, BIT_IOR_EXPR, type, left, right);
    3059              : 
    3060              :   /* Special cases.  */
    3061          132 :   cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, shift,
    3062              :                           build_int_cst (stype, 0));
    3063          198 :   res = fold_build3_loc (input_location, COND_EXPR, type, cond,
    3064              :                          dshiftl ? arg1 : arg2, res);
    3065              : 
    3066          132 :   cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, shift,
    3067          132 :                           build_int_cst (stype, bitsize));
    3068          198 :   res = fold_build3_loc (input_location, COND_EXPR, type, cond,
    3069              :                          dshiftl ? arg2 : arg1, res);
    3070              : 
    3071          132 :   se->expr = res;
    3072          132 : }
    3073              : 
    3074              : 
    3075              : /* Positive difference DIM (x, y) = ((x - y) < 0) ? 0 : x - y.  */
    3076              : 
    3077              : static void
    3078           96 : gfc_conv_intrinsic_dim (gfc_se * se, gfc_expr * expr)
    3079              : {
    3080           96 :   tree val;
    3081           96 :   tree tmp;
    3082           96 :   tree type;
    3083           96 :   tree zero;
    3084           96 :   tree args[2];
    3085              : 
    3086           96 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    3087           96 :   type = TREE_TYPE (args[0]);
    3088              : 
    3089           96 :   val = fold_build2_loc (input_location, MINUS_EXPR, type, args[0], args[1]);
    3090           96 :   val = gfc_evaluate_now (val, &se->pre);
    3091              : 
    3092           96 :   zero = gfc_build_const (type, integer_zero_node);
    3093           96 :   tmp = fold_build2_loc (input_location, LE_EXPR, logical_type_node, val, zero);
    3094           96 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, tmp, zero, val);
    3095           96 : }
    3096              : 
    3097              : 
    3098              : /* SIGN(A, B) is absolute value of A times sign of B.
    3099              :    The real value versions use library functions to ensure the correct
    3100              :    handling of negative zero.  Integer case implemented as:
    3101              :    SIGN(A, B) = { tmp = (A ^ B) >> C; (A + tmp) ^ tmp }
    3102              :   */
    3103              : 
    3104              : static void
    3105          423 : gfc_conv_intrinsic_sign (gfc_se * se, gfc_expr * expr)
    3106              : {
    3107          423 :   tree tmp;
    3108          423 :   tree type;
    3109          423 :   tree args[2];
    3110              : 
    3111          423 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    3112          423 :   if (expr->ts.type == BT_REAL)
    3113              :     {
    3114          161 :       tree abs;
    3115              : 
    3116          161 :       tmp = gfc_builtin_decl_for_float_kind (BUILT_IN_COPYSIGN, expr->ts.kind);
    3117          161 :       abs = gfc_builtin_decl_for_float_kind (BUILT_IN_FABS, expr->ts.kind);
    3118              : 
    3119              :       /* We explicitly have to ignore the minus sign. We do so by using
    3120              :          result = (arg1 == 0) ? abs(arg0) : copysign(arg0, arg1).  */
    3121          161 :       if (!flag_sign_zero
    3122          197 :           && MODE_HAS_SIGNED_ZEROS (TYPE_MODE (TREE_TYPE (args[1]))))
    3123              :         {
    3124           12 :           tree cond, zero;
    3125           12 :           zero = build_real_from_int_cst (TREE_TYPE (args[1]), integer_zero_node);
    3126           12 :           cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    3127              :                                   args[1], zero);
    3128           24 :           se->expr = fold_build3_loc (input_location, COND_EXPR,
    3129           12 :                                   TREE_TYPE (args[0]), cond,
    3130              :                                   build_call_expr_loc (input_location, abs, 1,
    3131              :                                                        args[0]),
    3132              :                                   build_call_expr_loc (input_location, tmp, 2,
    3133              :                                                        args[0], args[1]));
    3134              :         }
    3135              :       else
    3136          149 :         se->expr = build_call_expr_loc (input_location, tmp, 2,
    3137              :                                         args[0], args[1]);
    3138          161 :       return;
    3139              :     }
    3140              : 
    3141              :   /* Having excluded floating point types, we know we are now dealing
    3142              :      with signed integer types.  */
    3143          262 :   type = TREE_TYPE (args[0]);
    3144              : 
    3145              :   /* Args[0] is used multiple times below.  */
    3146          262 :   args[0] = gfc_evaluate_now (args[0], &se->pre);
    3147              : 
    3148              :   /* Construct (A ^ B) >> 31, which generates a bit mask of all zeros if
    3149              :      the signs of A and B are the same, and of all ones if they differ.  */
    3150          262 :   tmp = fold_build2_loc (input_location, BIT_XOR_EXPR, type, args[0], args[1]);
    3151          262 :   tmp = fold_build2_loc (input_location, RSHIFT_EXPR, type, tmp,
    3152          262 :                          build_int_cst (type, TYPE_PRECISION (type) - 1));
    3153          262 :   tmp = gfc_evaluate_now (tmp, &se->pre);
    3154              : 
    3155              :   /* Construct (A + tmp) ^ tmp, which is A if tmp is zero, and -A if tmp]
    3156              :      is all ones (i.e. -1).  */
    3157          262 :   se->expr = fold_build2_loc (input_location, BIT_XOR_EXPR, type,
    3158              :                               fold_build2_loc (input_location, PLUS_EXPR,
    3159              :                                                type, args[0], tmp), tmp);
    3160              : }
    3161              : 
    3162              : 
    3163              : /* Test for the presence of an optional argument.  */
    3164              : 
    3165              : static void
    3166         5070 : gfc_conv_intrinsic_present (gfc_se * se, gfc_expr * expr)
    3167              : {
    3168         5070 :   gfc_expr *arg;
    3169              : 
    3170         5070 :   arg = expr->value.function.actual->expr;
    3171         5070 :   gcc_assert (arg->expr_type == EXPR_VARIABLE);
    3172         5070 :   se->expr = gfc_conv_expr_present (arg->symtree->n.sym);
    3173         5070 :   se->expr = convert (gfc_typenode_for_spec (&expr->ts), se->expr);
    3174         5070 : }
    3175              : 
    3176              : 
    3177              : /* Calculate the double precision product of two single precision values.  */
    3178              : 
    3179              : static void
    3180           13 : gfc_conv_intrinsic_dprod (gfc_se * se, gfc_expr * expr)
    3181              : {
    3182           13 :   tree type;
    3183           13 :   tree args[2];
    3184              : 
    3185           13 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    3186              : 
    3187              :   /* Convert the args to double precision before multiplying.  */
    3188           13 :   type = gfc_typenode_for_spec (&expr->ts);
    3189           13 :   args[0] = convert (type, args[0]);
    3190           13 :   args[1] = convert (type, args[1]);
    3191           13 :   se->expr = fold_build2_loc (input_location, MULT_EXPR, type, args[0],
    3192              :                               args[1]);
    3193           13 : }
    3194              : 
    3195              : 
    3196              : /* Return a length one character string containing an ascii character.  */
    3197              : 
    3198              : static void
    3199         2020 : gfc_conv_intrinsic_char (gfc_se * se, gfc_expr * expr)
    3200              : {
    3201         2020 :   tree arg[2];
    3202         2020 :   tree var;
    3203         2020 :   tree type;
    3204         2020 :   unsigned int num_args;
    3205              : 
    3206         2020 :   num_args = gfc_intrinsic_argument_list_length (expr);
    3207         2020 :   gfc_conv_intrinsic_function_args (se, expr, arg, num_args);
    3208              : 
    3209         2020 :   type = gfc_get_char_type (expr->ts.kind);
    3210         2020 :   var = gfc_create_var (type, "char");
    3211              : 
    3212         2020 :   arg[0] = fold_build1_loc (input_location, NOP_EXPR, type, arg[0]);
    3213         2020 :   gfc_add_modify (&se->pre, var, arg[0]);
    3214         2020 :   se->expr = gfc_build_addr_expr (build_pointer_type (type), var);
    3215         2020 :   se->string_length = build_int_cst (gfc_charlen_type_node, 1);
    3216         2020 : }
    3217              : 
    3218              : 
    3219              : static void
    3220            0 : gfc_conv_intrinsic_ctime (gfc_se * se, gfc_expr * expr)
    3221              : {
    3222            0 :   tree var;
    3223            0 :   tree len;
    3224            0 :   tree tmp;
    3225            0 :   tree cond;
    3226            0 :   tree fndecl;
    3227            0 :   tree *args;
    3228            0 :   unsigned int num_args;
    3229              : 
    3230            0 :   num_args = gfc_intrinsic_argument_list_length (expr) + 2;
    3231            0 :   args = XALLOCAVEC (tree, num_args);
    3232              : 
    3233            0 :   var = gfc_create_var (pchar_type_node, "pstr");
    3234            0 :   len = gfc_create_var (gfc_charlen_type_node, "len");
    3235              : 
    3236            0 :   gfc_conv_intrinsic_function_args (se, expr, &args[2], num_args - 2);
    3237            0 :   args[0] = gfc_build_addr_expr (NULL_TREE, var);
    3238            0 :   args[1] = gfc_build_addr_expr (NULL_TREE, len);
    3239              : 
    3240            0 :   fndecl = build_addr (gfor_fndecl_ctime);
    3241            0 :   tmp = build_call_array_loc (input_location,
    3242            0 :                           TREE_TYPE (TREE_TYPE (gfor_fndecl_ctime)),
    3243              :                           fndecl, num_args, args);
    3244            0 :   gfc_add_expr_to_block (&se->pre, tmp);
    3245              : 
    3246              :   /* Free the temporary afterwards, if necessary.  */
    3247            0 :   cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    3248            0 :                           len, build_int_cst (TREE_TYPE (len), 0));
    3249            0 :   tmp = gfc_call_free (var);
    3250            0 :   tmp = build3_v (COND_EXPR, cond, tmp, build_empty_stmt (input_location));
    3251            0 :   gfc_add_expr_to_block (&se->post, tmp);
    3252              : 
    3253            0 :   se->expr = var;
    3254            0 :   se->string_length = len;
    3255            0 : }
    3256              : 
    3257              : 
    3258              : static void
    3259            0 : gfc_conv_intrinsic_fdate (gfc_se * se, gfc_expr * expr)
    3260              : {
    3261            0 :   tree var;
    3262            0 :   tree len;
    3263            0 :   tree tmp;
    3264            0 :   tree cond;
    3265            0 :   tree fndecl;
    3266            0 :   tree *args;
    3267            0 :   unsigned int num_args;
    3268              : 
    3269            0 :   num_args = gfc_intrinsic_argument_list_length (expr) + 2;
    3270            0 :   args = XALLOCAVEC (tree, num_args);
    3271              : 
    3272            0 :   var = gfc_create_var (pchar_type_node, "pstr");
    3273            0 :   len = gfc_create_var (gfc_charlen_type_node, "len");
    3274              : 
    3275            0 :   gfc_conv_intrinsic_function_args (se, expr, &args[2], num_args - 2);
    3276            0 :   args[0] = gfc_build_addr_expr (NULL_TREE, var);
    3277            0 :   args[1] = gfc_build_addr_expr (NULL_TREE, len);
    3278              : 
    3279            0 :   fndecl = build_addr (gfor_fndecl_fdate);
    3280            0 :   tmp = build_call_array_loc (input_location,
    3281            0 :                           TREE_TYPE (TREE_TYPE (gfor_fndecl_fdate)),
    3282              :                           fndecl, num_args, args);
    3283            0 :   gfc_add_expr_to_block (&se->pre, tmp);
    3284              : 
    3285              :   /* Free the temporary afterwards, if necessary.  */
    3286            0 :   cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    3287            0 :                           len, build_int_cst (TREE_TYPE (len), 0));
    3288            0 :   tmp = gfc_call_free (var);
    3289            0 :   tmp = build3_v (COND_EXPR, cond, tmp, build_empty_stmt (input_location));
    3290            0 :   gfc_add_expr_to_block (&se->post, tmp);
    3291              : 
    3292            0 :   se->expr = var;
    3293            0 :   se->string_length = len;
    3294            0 : }
    3295              : 
    3296              : 
    3297              : /* Generate a direct call to free() for the FREE subroutine.  */
    3298              : 
    3299              : static tree
    3300           10 : conv_intrinsic_free (gfc_code *code)
    3301              : {
    3302           10 :   stmtblock_t block;
    3303           10 :   gfc_se argse;
    3304           10 :   tree arg, call;
    3305              : 
    3306           10 :   gfc_init_se (&argse, NULL);
    3307           10 :   gfc_conv_expr (&argse, code->ext.actual->expr);
    3308           10 :   arg = fold_convert (ptr_type_node, argse.expr);
    3309              : 
    3310           10 :   gfc_init_block (&block);
    3311           10 :   call = build_call_expr_loc (input_location,
    3312              :                               builtin_decl_explicit (BUILT_IN_FREE), 1, arg);
    3313           10 :   gfc_add_expr_to_block (&block, call);
    3314           10 :   return gfc_finish_block (&block);
    3315              : }
    3316              : 
    3317              : 
    3318              : /* Call the RANDOM_INIT library subroutine with a hidden argument for
    3319              :    handling seeding on coarray images.  */
    3320              : 
    3321              : static tree
    3322           90 : conv_intrinsic_random_init (gfc_code *code)
    3323              : {
    3324           90 :   stmtblock_t block;
    3325           90 :   gfc_se se;
    3326           90 :   tree arg1, arg2, tmp;
    3327              :   /* On none coarray == lib compiles use LOGICAL(4) else regular LOGICAL.  */
    3328           90 :   tree used_bool_type_node = flag_coarray == GFC_FCOARRAY_LIB
    3329           90 :                              ? logical_type_node
    3330           90 :                              : gfc_get_logical_type (4);
    3331              : 
    3332              :   /* Make the function call.  */
    3333           90 :   gfc_init_block (&block);
    3334           90 :   gfc_init_se (&se, NULL);
    3335              : 
    3336              :   /* Convert REPEATABLE to the desired LOGICAL entity.  */
    3337           90 :   gfc_conv_expr (&se, code->ext.actual->expr);
    3338           90 :   gfc_add_block_to_block (&block, &se.pre);
    3339           90 :   arg1 = fold_convert (used_bool_type_node, gfc_evaluate_now (se.expr, &block));
    3340           90 :   gfc_add_block_to_block (&block, &se.post);
    3341              : 
    3342              :   /* Convert IMAGE_DISTINCT to the desired LOGICAL entity.  */
    3343           90 :   gfc_conv_expr (&se, code->ext.actual->next->expr);
    3344           90 :   gfc_add_block_to_block (&block, &se.pre);
    3345           90 :   arg2 = fold_convert (used_bool_type_node, gfc_evaluate_now (se.expr, &block));
    3346           90 :   gfc_add_block_to_block (&block, &se.post);
    3347              : 
    3348           90 :   if (flag_coarray == GFC_FCOARRAY_LIB)
    3349              :     {
    3350            0 :       tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_random_init,
    3351              :                                  2, arg1, arg2);
    3352              :     }
    3353              :   else
    3354              :     {
    3355              :       /* The ABI for libgfortran needs to be maintained, so a hidden
    3356              :          argument must be include if code is compiled with -fcoarray=single
    3357              :          or without the option.  Set to 0.  */
    3358           90 :       tree arg3 = build_int_cst (gfc_get_int_type (4), 0);
    3359           90 :       tmp = build_call_expr_loc (input_location, gfor_fndecl_random_init,
    3360              :                                  3, arg1, arg2, arg3);
    3361              :     }
    3362              : 
    3363           90 :   gfc_add_expr_to_block (&block, tmp);
    3364              : 
    3365           90 :   return gfc_finish_block (&block);
    3366              : }
    3367              : 
    3368              : 
    3369              : /* Call the SYSTEM_CLOCK library functions, handling the type and kind
    3370              :    conversions.  */
    3371              : 
    3372              : static tree
    3373          194 : conv_intrinsic_system_clock (gfc_code *code)
    3374              : {
    3375          194 :   stmtblock_t block;
    3376          194 :   gfc_se count_se, count_rate_se, count_max_se;
    3377          194 :   tree arg1 = NULL_TREE, arg2 = NULL_TREE, arg3 = NULL_TREE;
    3378          194 :   tree tmp;
    3379          194 :   int least;
    3380              : 
    3381          194 :   gfc_expr *count = code->ext.actual->expr;
    3382          194 :   gfc_expr *count_rate = code->ext.actual->next->expr;
    3383          194 :   gfc_expr *count_max = code->ext.actual->next->next->expr;
    3384              : 
    3385              :   /* Evaluate our arguments.  */
    3386          194 :   if (count)
    3387              :     {
    3388          194 :       gfc_init_se (&count_se, NULL);
    3389          194 :       gfc_conv_expr (&count_se, count);
    3390              :     }
    3391              : 
    3392          194 :   if (count_rate)
    3393              :     {
    3394          181 :       gfc_init_se (&count_rate_se, NULL);
    3395          181 :       gfc_conv_expr (&count_rate_se, count_rate);
    3396              :     }
    3397              : 
    3398          194 :   if (count_max)
    3399              :     {
    3400          180 :       gfc_init_se (&count_max_se, NULL);
    3401          180 :       gfc_conv_expr (&count_max_se, count_max);
    3402              :     }
    3403              : 
    3404              :   /* Find the smallest kind found of the arguments.  */
    3405          194 :   least = 16;
    3406          194 :   least = (count && count->ts.kind < least) ? count->ts.kind : least;
    3407          194 :   least = (count_rate && count_rate->ts.kind < least) ? count_rate->ts.kind
    3408              :                                                       : least;
    3409          194 :   least = (count_max && count_max->ts.kind < least) ? count_max->ts.kind
    3410              :                                                     : least;
    3411              : 
    3412              :   /* Prepare temporary variables.  */
    3413              : 
    3414          194 :   if (count)
    3415              :     {
    3416          194 :       if (least >= 8)
    3417           18 :         arg1 = gfc_create_var (gfc_get_int_type (8), "count");
    3418          176 :       else if (least == 4)
    3419          152 :         arg1 = gfc_create_var (gfc_get_int_type (4), "count");
    3420           24 :       else if (count->ts.kind == 1)
    3421           12 :         arg1 = gfc_conv_mpz_to_tree (gfc_integer_kinds[0].pedantic_min_int,
    3422              :                                      count->ts.kind);
    3423              :       else
    3424           12 :         arg1 = gfc_conv_mpz_to_tree (gfc_integer_kinds[1].pedantic_min_int,
    3425              :                                      count->ts.kind);
    3426              :     }
    3427              : 
    3428          194 :   if (count_rate)
    3429              :     {
    3430          181 :       if (least >= 8)
    3431           18 :         arg2 = gfc_create_var (gfc_get_int_type (8), "count_rate");
    3432          163 :       else if (least == 4)
    3433          139 :         arg2 = gfc_create_var (gfc_get_int_type (4), "count_rate");
    3434              :       else
    3435           24 :         arg2 = integer_zero_node;
    3436              :     }
    3437              : 
    3438          194 :   if (count_max)
    3439              :     {
    3440          180 :       if (least >= 8)
    3441           18 :         arg3 = gfc_create_var (gfc_get_int_type (8), "count_max");
    3442          162 :       else if (least == 4)
    3443          138 :         arg3 = gfc_create_var (gfc_get_int_type (4), "count_max");
    3444              :       else
    3445           24 :         arg3 = integer_zero_node;
    3446              :     }
    3447              : 
    3448              :   /* Make the function call.  */
    3449          194 :   gfc_init_block (&block);
    3450              : 
    3451          194 : if (least <= 2)
    3452              :   {
    3453           24 :     if (least == 1)
    3454              :       {
    3455           12 :         arg1 ? gfc_build_addr_expr (NULL_TREE, arg1)
    3456              :                : null_pointer_node;
    3457           12 :         arg2 ? gfc_build_addr_expr (NULL_TREE, arg2)
    3458              :                : null_pointer_node;
    3459           12 :         arg3 ? gfc_build_addr_expr (NULL_TREE, arg3)
    3460              :                : null_pointer_node;
    3461              :       }
    3462              : 
    3463           24 :     if (least == 2)
    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              : else
    3474              :   {
    3475          170 :     if (least == 4)
    3476              :       {
    3477          581 :         tmp = build_call_expr_loc (input_location,
    3478              :                 gfor_fndecl_system_clock4, 3,
    3479          152 :                 arg1 ? gfc_build_addr_expr (NULL_TREE, arg1)
    3480              :                        : null_pointer_node,
    3481          139 :                 arg2 ? gfc_build_addr_expr (NULL_TREE, arg2)
    3482              :                        : null_pointer_node,
    3483          138 :                 arg3 ? gfc_build_addr_expr (NULL_TREE, arg3)
    3484              :                        : null_pointer_node);
    3485          152 :         gfc_add_expr_to_block (&block, tmp);
    3486              :       }
    3487              :     /* Handle kind>=8, 10, or 16 arguments */
    3488          170 :     if (least >= 8)
    3489              :       {
    3490           72 :         tmp = build_call_expr_loc (input_location,
    3491              :                 gfor_fndecl_system_clock8, 3,
    3492           18 :                 arg1 ? gfc_build_addr_expr (NULL_TREE, arg1)
    3493              :                        : null_pointer_node,
    3494           18 :                 arg2 ? gfc_build_addr_expr (NULL_TREE, arg2)
    3495              :                        : null_pointer_node,
    3496           18 :                 arg3 ? gfc_build_addr_expr (NULL_TREE, arg3)
    3497              :                        : null_pointer_node);
    3498           18 :         gfc_add_expr_to_block (&block, tmp);
    3499              :       }
    3500              :   }
    3501              : 
    3502              :   /* And store values back if needed.  */
    3503          194 :   if (arg1 && arg1 != count_se.expr)
    3504          194 :     gfc_add_modify (&block, count_se.expr,
    3505          194 :                     fold_convert (TREE_TYPE (count_se.expr), arg1));
    3506          194 :   if (arg2 && arg2 != count_rate_se.expr)
    3507          181 :     gfc_add_modify (&block, count_rate_se.expr,
    3508          181 :                     fold_convert (TREE_TYPE (count_rate_se.expr), arg2));
    3509          194 :   if (arg3 && arg3 != count_max_se.expr)
    3510          180 :     gfc_add_modify (&block, count_max_se.expr,
    3511          180 :                     fold_convert (TREE_TYPE (count_max_se.expr), arg3));
    3512              : 
    3513          194 :   return gfc_finish_block (&block);
    3514              : }
    3515              : 
    3516              : static tree
    3517          102 : conv_intrinsic_split (gfc_code *code)
    3518              : {
    3519          102 :   stmtblock_t block, post_block;
    3520          102 :   gfc_se se;
    3521          102 :   gfc_expr *string_expr, *set_expr, *pos_expr, *back_expr;
    3522          102 :   tree string, string_len;
    3523          102 :   tree set, set_len;
    3524          102 :   tree pos, pos_for_call;
    3525          102 :   tree back;
    3526          102 :   tree fndecl, call;
    3527              : 
    3528          102 :   string_expr = code->ext.actual->expr;
    3529          102 :   set_expr = code->ext.actual->next->expr;
    3530          102 :   pos_expr = code->ext.actual->next->next->expr;
    3531          102 :   back_expr = code->ext.actual->next->next->next->expr;
    3532              : 
    3533          102 :   gfc_start_block (&block);
    3534          102 :   gfc_init_block (&post_block);
    3535              : 
    3536          102 :   gfc_init_se (&se, NULL);
    3537          102 :   gfc_conv_expr (&se, string_expr);
    3538          102 :   gfc_conv_string_parameter (&se);
    3539          102 :   gfc_add_block_to_block (&block, &se.pre);
    3540          102 :   gfc_add_block_to_block (&post_block, &se.post);
    3541          102 :   string = se.expr;
    3542          102 :   string_len = se.string_length;
    3543              : 
    3544          102 :   gfc_init_se (&se, NULL);
    3545          102 :   gfc_conv_expr (&se, set_expr);
    3546          102 :   gfc_conv_string_parameter (&se);
    3547          102 :   gfc_add_block_to_block (&block, &se.pre);
    3548          102 :   gfc_add_block_to_block (&post_block, &se.post);
    3549          102 :   set = se.expr;
    3550          102 :   set_len = se.string_length;
    3551              : 
    3552          102 :   gfc_init_se (&se, NULL);
    3553          102 :   gfc_conv_expr (&se, pos_expr);
    3554          102 :   gfc_add_block_to_block (&block, &se.pre);
    3555          102 :   gfc_add_block_to_block (&post_block, &se.post);
    3556          102 :   pos = se.expr;
    3557          102 :   pos_for_call = fold_convert (gfc_charlen_type_node, pos);
    3558              : 
    3559          102 :   if (back_expr)
    3560              :     {
    3561           48 :       gfc_init_se (&se, NULL);
    3562           48 :       gfc_conv_expr (&se, back_expr);
    3563           48 :       gfc_add_block_to_block (&block, &se.pre);
    3564           48 :       gfc_add_block_to_block (&post_block, &se.post);
    3565           48 :       back = se.expr;
    3566              :     }
    3567              :   else
    3568           54 :     back = logical_false_node;
    3569              : 
    3570          102 :   if (string_expr->ts.kind == 1)
    3571           66 :     fndecl = gfor_fndecl_string_split;
    3572           36 :   else if (string_expr->ts.kind == 4)
    3573           36 :     fndecl = gfor_fndecl_string_split_char4;
    3574              :   else
    3575            0 :     gcc_unreachable ();
    3576              : 
    3577          102 :   call = build_call_expr_loc (input_location, fndecl, 6, string_len, string,
    3578              :                               set_len, set, pos_for_call, back);
    3579          102 :   gfc_add_modify (&block, pos, fold_convert (TREE_TYPE (pos), call));
    3580              : 
    3581          102 :   gfc_add_block_to_block (&block, &post_block);
    3582          102 :   return gfc_finish_block (&block);
    3583              : }
    3584              : 
    3585              : /* Return a character string containing the tty name.  */
    3586              : 
    3587              : static void
    3588            0 : gfc_conv_intrinsic_ttynam (gfc_se * se, gfc_expr * expr)
    3589              : {
    3590            0 :   tree var;
    3591            0 :   tree len;
    3592            0 :   tree tmp;
    3593            0 :   tree cond;
    3594            0 :   tree fndecl;
    3595            0 :   tree *args;
    3596            0 :   unsigned int num_args;
    3597              : 
    3598            0 :   num_args = gfc_intrinsic_argument_list_length (expr) + 2;
    3599            0 :   args = XALLOCAVEC (tree, num_args);
    3600              : 
    3601            0 :   var = gfc_create_var (pchar_type_node, "pstr");
    3602            0 :   len = gfc_create_var (gfc_charlen_type_node, "len");
    3603              : 
    3604            0 :   gfc_conv_intrinsic_function_args (se, expr, &args[2], num_args - 2);
    3605            0 :   args[0] = gfc_build_addr_expr (NULL_TREE, var);
    3606            0 :   args[1] = gfc_build_addr_expr (NULL_TREE, len);
    3607              : 
    3608            0 :   fndecl = build_addr (gfor_fndecl_ttynam);
    3609            0 :   tmp = build_call_array_loc (input_location,
    3610            0 :                           TREE_TYPE (TREE_TYPE (gfor_fndecl_ttynam)),
    3611              :                           fndecl, num_args, args);
    3612            0 :   gfc_add_expr_to_block (&se->pre, tmp);
    3613              : 
    3614              :   /* Free the temporary afterwards, if necessary.  */
    3615            0 :   cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    3616            0 :                           len, build_int_cst (TREE_TYPE (len), 0));
    3617            0 :   tmp = gfc_call_free (var);
    3618            0 :   tmp = build3_v (COND_EXPR, cond, tmp, build_empty_stmt (input_location));
    3619            0 :   gfc_add_expr_to_block (&se->post, tmp);
    3620              : 
    3621            0 :   se->expr = var;
    3622            0 :   se->string_length = len;
    3623            0 : }
    3624              : 
    3625              : 
    3626              : /* Get the minimum/maximum value of all the parameters.
    3627              :     minmax (a1, a2, a3, ...)
    3628              :     {
    3629              :       mvar = a1;
    3630              :       mvar = COMP (mvar, a2)
    3631              :       mvar = COMP (mvar, a3)
    3632              :       ...
    3633              :       return mvar;
    3634              :     }
    3635              :     Where COMP is MIN/MAX_EXPR for integral types or when we don't
    3636              :     care about NaNs, or IFN_FMIN/MAX when the target has support for
    3637              :     fast NaN-honouring min/max.  When neither holds expand a sequence
    3638              :     of explicit comparisons.  */
    3639              : 
    3640              : /* TODO: Mismatching types can occur when specific names are used.
    3641              :    These should be handled during resolution.  */
    3642              : static void
    3643         1364 : gfc_conv_intrinsic_minmax (gfc_se * se, gfc_expr * expr, enum tree_code op)
    3644              : {
    3645         1364 :   tree tmp;
    3646         1364 :   tree mvar;
    3647         1364 :   tree val;
    3648         1364 :   tree *args;
    3649         1364 :   tree type;
    3650         1364 :   tree argtype;
    3651         1364 :   gfc_actual_arglist *argexpr;
    3652         1364 :   unsigned int i, nargs;
    3653              : 
    3654         1364 :   nargs = gfc_intrinsic_argument_list_length (expr);
    3655         1364 :   args = XALLOCAVEC (tree, nargs);
    3656              : 
    3657         1364 :   gfc_conv_intrinsic_function_args (se, expr, args, nargs);
    3658         1364 :   type = gfc_typenode_for_spec (&expr->ts);
    3659              : 
    3660              :   /* Only evaluate the argument once.  */
    3661         1364 :   if (!VAR_P (args[0]) && !TREE_CONSTANT (args[0]))
    3662          367 :     args[0] = gfc_evaluate_now (args[0], &se->pre);
    3663              : 
    3664              :   /* Determine suitable type of temporary, as a GNU extension allows
    3665              :      different argument kinds.  */
    3666         1364 :   argtype = TREE_TYPE (args[0]);
    3667         1364 :   argexpr = expr->value.function.actual;
    3668         2947 :   for (i = 1, argexpr = argexpr->next; i < nargs; i++, argexpr = argexpr->next)
    3669              :     {
    3670         1583 :       tree tmptype = TREE_TYPE (args[i]);
    3671         1583 :       if (TYPE_PRECISION (tmptype) > TYPE_PRECISION (argtype))
    3672            1 :         argtype = tmptype;
    3673              :     }
    3674         1364 :   mvar = gfc_create_var (argtype, "M");
    3675         1364 :   gfc_add_modify (&se->pre, mvar, convert (argtype, args[0]));
    3676              : 
    3677         1364 :   argexpr = expr->value.function.actual;
    3678         2947 :   for (i = 1, argexpr = argexpr->next; i < nargs; i++, argexpr = argexpr->next)
    3679              :     {
    3680         1583 :       tree cond = NULL_TREE;
    3681         1583 :       val = args[i];
    3682              : 
    3683              :       /* Handle absent optional arguments by ignoring the comparison.  */
    3684         1583 :       if (argexpr->expr->expr_type == EXPR_VARIABLE
    3685          920 :           && argexpr->expr->symtree->n.sym->attr.optional
    3686           45 :           && INDIRECT_REF_P (val))
    3687              :         {
    3688           84 :           cond = fold_build2_loc (input_location,
    3689              :                                 NE_EXPR, logical_type_node,
    3690           42 :                                 TREE_OPERAND (val, 0),
    3691           42 :                         build_int_cst (TREE_TYPE (TREE_OPERAND (val, 0)), 0));
    3692              :         }
    3693         1541 :       else if (!VAR_P (val) && !TREE_CONSTANT (val))
    3694              :         /* Only evaluate the argument once.  */
    3695          599 :         val = gfc_evaluate_now (val, &se->pre);
    3696              : 
    3697         1583 :       tree calc;
    3698              :       /* For floating point types, the question is what MAX(a, NaN) or
    3699              :          MIN(a, NaN) should return (where "a" is a normal number).
    3700              :          There are valid use case for returning either one, but the
    3701              :          Fortran standard doesn't specify which one should be chosen.
    3702              :          Also, there is no consensus among other tested compilers.  In
    3703              :          short, it's a mess.  So lets just do whatever is fastest.  */
    3704         1583 :       tree_code code = op == GT_EXPR ? MAX_EXPR : MIN_EXPR;
    3705         1583 :       calc = fold_build2_loc (input_location, code, argtype,
    3706              :                               convert (argtype, val), mvar);
    3707         1583 :       tmp = build2_v (MODIFY_EXPR, mvar, calc);
    3708              : 
    3709         1583 :       if (cond != NULL_TREE)
    3710           42 :         tmp = build3_v (COND_EXPR, cond, tmp,
    3711              :                         build_empty_stmt (input_location));
    3712         1583 :       gfc_add_expr_to_block (&se->pre, tmp);
    3713              :     }
    3714         1364 :   se->expr = convert (type, mvar);
    3715         1364 : }
    3716              : 
    3717              : 
    3718              : /* Generate library calls for MIN and MAX intrinsics for character
    3719              :    variables.  */
    3720              : static void
    3721          282 : gfc_conv_intrinsic_minmax_char (gfc_se * se, gfc_expr * expr, int op)
    3722              : {
    3723          282 :   tree *args;
    3724          282 :   tree var, len, fndecl, tmp, cond, function;
    3725          282 :   unsigned int nargs;
    3726              : 
    3727          282 :   nargs = gfc_intrinsic_argument_list_length (expr);
    3728          282 :   args = XALLOCAVEC (tree, nargs + 4);
    3729          282 :   gfc_conv_intrinsic_function_args (se, expr, &args[4], nargs);
    3730              : 
    3731              :   /* Create the result variables.  */
    3732          282 :   len = gfc_create_var (gfc_charlen_type_node, "len");
    3733          282 :   args[0] = gfc_build_addr_expr (NULL_TREE, len);
    3734          282 :   var = gfc_create_var (gfc_get_pchar_type (expr->ts.kind), "pstr");
    3735          282 :   args[1] = gfc_build_addr_expr (ppvoid_type_node, var);
    3736          282 :   args[2] = build_int_cst (integer_type_node, op);
    3737          282 :   args[3] = build_int_cst (integer_type_node, nargs / 2);
    3738              : 
    3739          282 :   if (expr->ts.kind == 1)
    3740          210 :     function = gfor_fndecl_string_minmax;
    3741           72 :   else if (expr->ts.kind == 4)
    3742           72 :     function = gfor_fndecl_string_minmax_char4;
    3743              :   else
    3744            0 :     gcc_unreachable ();
    3745              : 
    3746              :   /* Make the function call.  */
    3747          282 :   fndecl = build_addr (function);
    3748          282 :   tmp = build_call_array_loc (input_location,
    3749          282 :                           TREE_TYPE (TREE_TYPE (function)), fndecl,
    3750              :                           nargs + 4, args);
    3751          282 :   gfc_add_expr_to_block (&se->pre, tmp);
    3752              : 
    3753              :   /* Free the temporary afterwards, if necessary.  */
    3754          282 :   cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    3755          282 :                           len, build_int_cst (TREE_TYPE (len), 0));
    3756          282 :   tmp = gfc_call_free (var);
    3757          282 :   tmp = build3_v (COND_EXPR, cond, tmp, build_empty_stmt (input_location));
    3758          282 :   gfc_add_expr_to_block (&se->post, tmp);
    3759              : 
    3760          282 :   se->expr = var;
    3761          282 :   se->string_length = len;
    3762          282 : }
    3763              : 
    3764              : 
    3765              : /* Create a symbol node for this intrinsic.  The symbol from the frontend
    3766              :    has the generic name.  */
    3767              : 
    3768              : static gfc_symbol *
    3769        11129 : gfc_get_symbol_for_expr (gfc_expr * expr, bool ignore_optional)
    3770              : {
    3771        11129 :   gfc_symbol *sym;
    3772              : 
    3773              :   /* TODO: Add symbols for intrinsic function to the global namespace.  */
    3774        11129 :   gcc_assert (strlen (expr->value.function.name) <= GFC_MAX_SYMBOL_LEN - 5);
    3775        11129 :   sym = gfc_new_symbol (expr->value.function.name, NULL);
    3776              : 
    3777        11129 :   sym->ts = expr->ts;
    3778        11129 :   if (sym->ts.type == BT_CHARACTER)
    3779         1781 :     sym->ts.u.cl = gfc_new_charlen (gfc_current_ns, NULL);
    3780        11129 :   sym->attr.external = 1;
    3781        11129 :   sym->attr.function = 1;
    3782        11129 :   sym->attr.always_explicit = 1;
    3783        11129 :   sym->attr.proc = PROC_INTRINSIC;
    3784        11129 :   sym->attr.flavor = FL_PROCEDURE;
    3785        11129 :   sym->result = sym;
    3786        11129 :   if (expr->rank > 0)
    3787              :     {
    3788         9755 :       sym->attr.dimension = 1;
    3789         9755 :       sym->as = gfc_get_array_spec ();
    3790         9755 :       sym->as->type = AS_ASSUMED_SHAPE;
    3791         9755 :       sym->as->rank = expr->rank;
    3792              :     }
    3793              : 
    3794        11129 :   gfc_copy_formal_args_intr (sym, expr->value.function.isym,
    3795              :                              ignore_optional ? expr->value.function.actual
    3796              :                                              : NULL);
    3797              : 
    3798        11129 :   return sym;
    3799              : }
    3800              : 
    3801              : /* Remove empty actual arguments.  */
    3802              : 
    3803              : static void
    3804         8277 : remove_empty_actual_arguments (gfc_actual_arglist **ap)
    3805              : {
    3806        44456 :   while (*ap)
    3807              :     {
    3808        36179 :       if ((*ap)->expr == NULL)
    3809              :         {
    3810        11076 :           gfc_actual_arglist *r = *ap;
    3811        11076 :           *ap = r->next;
    3812        11076 :           r->next = NULL;
    3813        11076 :           gfc_free_actual_arglist (r);
    3814              :         }
    3815              :       else
    3816        25103 :         ap = &((*ap)->next);
    3817              :     }
    3818         8277 : }
    3819              : 
    3820              : #define MAX_SPEC_ARG 12
    3821              : 
    3822              : /* Make up an fn spec that's right for intrinsic functions that we
    3823              :    want to call.  */
    3824              : 
    3825              : static char *
    3826         1939 : intrinsic_fnspec (gfc_expr *expr)
    3827              : {
    3828         1939 :   static char fnspec_buf[MAX_SPEC_ARG*2+1];
    3829         1939 :   char *fp;
    3830         1939 :   int i;
    3831         1939 :   int num_char_args;
    3832              : 
    3833              : #define ADD_CHAR(c) do { *fp++ = c; *fp++ = ' '; } while(0)
    3834              : 
    3835              :   /* Set the fndecl.  */
    3836         1939 :   fp = fnspec_buf;
    3837              :   /* Function return value.  FIXME: Check if the second letter could
    3838              :      be something other than a space, for further optimization.  */
    3839         1939 :   ADD_CHAR ('.');
    3840         1939 :   if (expr->rank == 0)
    3841              :     {
    3842          238 :       if (expr->ts.type == BT_CHARACTER)
    3843              :         {
    3844           84 :           ADD_CHAR ('w');  /* Address of character.  */
    3845           84 :           ADD_CHAR ('.');  /* Length of character.  */
    3846              :         }
    3847              :     }
    3848              :   else
    3849         1701 :     ADD_CHAR ('w');  /* Return value is a descriptor.  */
    3850              : 
    3851         1939 :   num_char_args = 0;
    3852        10224 :   for (gfc_actual_arglist *a = expr->value.function.actual; a; a = a->next)
    3853              :     {
    3854         8285 :       if (a->expr == NULL)
    3855         2565 :         continue;
    3856              : 
    3857         5720 :       if (a->name && strcmp (a->name,"%VAL") == 0)
    3858         1300 :         ADD_CHAR ('.');
    3859              :       else
    3860              :         {
    3861         4420 :           if (a->expr->rank > 0)
    3862         2575 :             ADD_CHAR ('r');
    3863              :           else
    3864         1845 :             ADD_CHAR ('R');
    3865              :         }
    3866         5720 :       num_char_args += a->expr->ts.type == BT_CHARACTER;
    3867         5720 :       gcc_assert (fp - fnspec_buf + num_char_args <= MAX_SPEC_ARG*2);
    3868              :     }
    3869              : 
    3870         2743 :   for (i = 0; i < num_char_args; i++)
    3871          804 :     ADD_CHAR ('.');
    3872              : 
    3873         1939 :   *fp = '\0';
    3874         1939 :   return fnspec_buf;
    3875              : }
    3876              : 
    3877              : #undef MAX_SPEC_ARG
    3878              : #undef ADD_CHAR
    3879              : 
    3880              : /* Generate the right symbol for the specific intrinsic function and
    3881              :  modify the expr accordingly.  This assumes that absent optional
    3882              :  arguments should be removed.  */
    3883              : 
    3884              : gfc_symbol *
    3885         8277 : specific_intrinsic_symbol (gfc_expr *expr)
    3886              : {
    3887         8277 :   gfc_symbol *sym;
    3888              : 
    3889         8277 :   sym = gfc_find_intrinsic_symbol (expr);
    3890         8277 :   if (sym == NULL)
    3891              :     {
    3892         1939 :       sym = gfc_get_intrinsic_function_symbol (expr);
    3893         1939 :       sym->ts = expr->ts;
    3894         1939 :       if (sym->ts.type == BT_CHARACTER && sym->ts.u.cl)
    3895          240 :         sym->ts.u.cl = gfc_new_charlen (sym->ns, NULL);
    3896              : 
    3897         1939 :       gfc_copy_formal_args_intr (sym, expr->value.function.isym,
    3898              :                                  expr->value.function.actual, true);
    3899         1939 :       sym->backend_decl
    3900         1939 :         = gfc_get_extern_function_decl (sym, expr->value.function.actual,
    3901         1939 :                                         intrinsic_fnspec (expr));
    3902              :     }
    3903              : 
    3904         8277 :   remove_empty_actual_arguments (&(expr->value.function.actual));
    3905              : 
    3906         8277 :   return sym;
    3907              : }
    3908              : 
    3909              : /* Generate a call to an external intrinsic function.  FIXME: So far,
    3910              :    this only works for functions which are called with well-defined
    3911              :    types; CSHIFT and friends will come later.  */
    3912              : 
    3913              : static void
    3914        13581 : gfc_conv_intrinsic_funcall (gfc_se * se, gfc_expr * expr)
    3915              : {
    3916        13581 :   gfc_symbol *sym;
    3917        13581 :   vec<tree, va_gc> *append_args;
    3918        13581 :   bool specific_symbol;
    3919              : 
    3920        13581 :   gcc_assert (!se->ss || se->ss->info->expr == expr);
    3921              : 
    3922        13581 :   if (se->ss)
    3923        11645 :     gcc_assert (expr->rank > 0);
    3924              :   else
    3925         1936 :     gcc_assert (expr->rank == 0);
    3926              : 
    3927        13581 :   switch (expr->value.function.isym->id)
    3928              :     {
    3929              :     case GFC_ISYM_ANY:
    3930              :     case GFC_ISYM_ALL:
    3931              :     case GFC_ISYM_FINDLOC:
    3932              :     case GFC_ISYM_MAXLOC:
    3933              :     case GFC_ISYM_MINLOC:
    3934              :     case GFC_ISYM_MAXVAL:
    3935              :     case GFC_ISYM_MINVAL:
    3936              :     case GFC_ISYM_NORM2:
    3937              :     case GFC_ISYM_PRODUCT:
    3938              :     case GFC_ISYM_SUM:
    3939              :       specific_symbol = true;
    3940              :       break;
    3941         5304 :     default:
    3942         5304 :       specific_symbol = false;
    3943              :     }
    3944              : 
    3945        13581 :   if (specific_symbol)
    3946              :     {
    3947              :       /* Need to copy here because specific_intrinsic_symbol modifies
    3948              :          expr to omit the absent optional arguments.  */
    3949         8277 :       expr = gfc_copy_expr (expr);
    3950         8277 :       sym = specific_intrinsic_symbol (expr);
    3951              :     }
    3952              :   else
    3953         5304 :     sym = gfc_get_symbol_for_expr (expr, se->ignore_optional);
    3954              : 
    3955              :   /* Calls to libgfortran_matmul need to be appended special arguments,
    3956              :      to be able to call the BLAS ?gemm functions if required and possible.  */
    3957        13581 :   append_args = NULL;
    3958        13581 :   if (expr->value.function.isym->id == GFC_ISYM_MATMUL
    3959          865 :       && !expr->external_blas
    3960          827 :       && sym->ts.type != BT_LOGICAL)
    3961              :     {
    3962          811 :       tree cint = gfc_get_int_type (gfc_c_int_kind);
    3963              : 
    3964          811 :       if (flag_external_blas
    3965            0 :           && (sym->ts.type == BT_REAL || sym->ts.type == BT_COMPLEX)
    3966            0 :           && (sym->ts.kind == 4 || sym->ts.kind == 8))
    3967              :         {
    3968            0 :           tree gemm_fndecl;
    3969              : 
    3970            0 :           if (sym->ts.type == BT_REAL)
    3971              :             {
    3972            0 :               if (sym->ts.kind == 4)
    3973            0 :                 gemm_fndecl = gfor_fndecl_sgemm;
    3974              :               else
    3975            0 :                 gemm_fndecl = gfor_fndecl_dgemm;
    3976              :             }
    3977              :           else
    3978              :             {
    3979            0 :               if (sym->ts.kind == 4)
    3980            0 :                 gemm_fndecl = gfor_fndecl_cgemm;
    3981              :               else
    3982            0 :                 gemm_fndecl = gfor_fndecl_zgemm;
    3983              :             }
    3984              : 
    3985            0 :           vec_alloc (append_args, 3);
    3986            0 :           append_args->quick_push (build_int_cst (cint, 1));
    3987            0 :           append_args->quick_push (build_int_cst (cint,
    3988            0 :                                                   flag_blas_matmul_limit));
    3989            0 :           append_args->quick_push (gfc_build_addr_expr (NULL_TREE,
    3990              :                                                         gemm_fndecl));
    3991            0 :         }
    3992              :       else
    3993              :         {
    3994          811 :           vec_alloc (append_args, 3);
    3995          811 :           append_args->quick_push (build_int_cst (cint, 0));
    3996          811 :           append_args->quick_push (build_int_cst (cint, 0));
    3997          811 :           append_args->quick_push (null_pointer_node);
    3998              :         }
    3999              :     }
    4000              :   /* Non-character scalar reduce returns a pointer to a result of size set by
    4001              :      the element size of 'array'. Setting 'sym' allocatable ensures that the
    4002              :      result is deallocated at the appropriate time.  */
    4003        12770 :   else if (expr->value.function.isym->id == GFC_ISYM_REDUCE
    4004          102 :       && expr->rank == 0 && expr->ts.type != BT_CHARACTER)
    4005           96 :     sym->attr.allocatable = 1;
    4006              : 
    4007              : 
    4008        13581 :   gfc_conv_procedure_call (se, sym, expr->value.function.actual, expr,
    4009              :                           append_args);
    4010              : 
    4011        13581 :   if (specific_symbol)
    4012         8277 :     gfc_free_expr (expr);
    4013              :   else
    4014         5304 :     gfc_free_symbol (sym);
    4015        13581 : }
    4016              : 
    4017              : /* ANY and ALL intrinsics. ANY->op == NE_EXPR, ALL->op == EQ_EXPR.
    4018              :    Implemented as
    4019              :     any(a)
    4020              :     {
    4021              :       forall (i=...)
    4022              :         if (a[i] != 0)
    4023              :           return 1
    4024              :       end forall
    4025              :       return 0
    4026              :     }
    4027              :     all(a)
    4028              :     {
    4029              :       forall (i=...)
    4030              :         if (a[i] == 0)
    4031              :           return 0
    4032              :       end forall
    4033              :       return 1
    4034              :     }
    4035              :  */
    4036              : static void
    4037        37786 : gfc_conv_intrinsic_anyall (gfc_se * se, gfc_expr * expr, enum tree_code op)
    4038              : {
    4039        37786 :   tree resvar;
    4040        37786 :   stmtblock_t block;
    4041        37786 :   stmtblock_t body;
    4042        37786 :   tree type;
    4043        37786 :   tree tmp;
    4044        37786 :   tree found;
    4045        37786 :   gfc_loopinfo loop;
    4046        37786 :   gfc_actual_arglist *actual;
    4047        37786 :   gfc_ss *arrayss;
    4048        37786 :   gfc_se arrayse;
    4049        37786 :   tree exit_label;
    4050              : 
    4051        37786 :   if (se->ss)
    4052              :     {
    4053            0 :       gfc_conv_intrinsic_funcall (se, expr);
    4054            0 :       return;
    4055              :     }
    4056              : 
    4057        37786 :   actual = expr->value.function.actual;
    4058        37786 :   type = gfc_typenode_for_spec (&expr->ts);
    4059              :   /* Initialize the result.  */
    4060        37786 :   resvar = gfc_create_var (type, "test");
    4061        37786 :   if (op == EQ_EXPR)
    4062          420 :     tmp = convert (type, boolean_true_node);
    4063              :   else
    4064        37366 :     tmp = convert (type, boolean_false_node);
    4065        37786 :   gfc_add_modify (&se->pre, resvar, tmp);
    4066              : 
    4067              :   /* Walk the arguments.  */
    4068        37786 :   arrayss = gfc_walk_expr (actual->expr);
    4069        37786 :   gcc_assert (arrayss != gfc_ss_terminator);
    4070              : 
    4071              :   /* Initialize the scalarizer.  */
    4072        37786 :   gfc_init_loopinfo (&loop);
    4073        37786 :   exit_label = gfc_build_label_decl (NULL_TREE);
    4074        37786 :   TREE_USED (exit_label) = 1;
    4075        37786 :   gfc_add_ss_to_loop (&loop, arrayss);
    4076              : 
    4077              :   /* Initialize the loop.  */
    4078        37786 :   gfc_conv_ss_startstride (&loop);
    4079        37786 :   gfc_conv_loop_setup (&loop, &expr->where);
    4080              : 
    4081        37786 :   gfc_mark_ss_chain_used (arrayss, 1);
    4082              :   /* Generate the loop body.  */
    4083        37786 :   gfc_start_scalarized_body (&loop, &body);
    4084              : 
    4085              :   /* If the condition matches then set the return value.  */
    4086        37786 :   gfc_start_block (&block);
    4087        37786 :   if (op == EQ_EXPR)
    4088          420 :     tmp = convert (type, boolean_false_node);
    4089              :   else
    4090        37366 :     tmp = convert (type, boolean_true_node);
    4091        37786 :   gfc_add_modify (&block, resvar, tmp);
    4092              : 
    4093              :   /* And break out of the loop.  */
    4094        37786 :   tmp = build1_v (GOTO_EXPR, exit_label);
    4095        37786 :   gfc_add_expr_to_block (&block, tmp);
    4096              : 
    4097        37786 :   found = gfc_finish_block (&block);
    4098              : 
    4099              :   /* Check this element.  */
    4100        37786 :   gfc_init_se (&arrayse, NULL);
    4101        37786 :   gfc_copy_loopinfo_to_se (&arrayse, &loop);
    4102        37786 :   arrayse.ss = arrayss;
    4103        37786 :   gfc_conv_expr_val (&arrayse, actual->expr);
    4104              : 
    4105        37786 :   gfc_add_block_to_block (&body, &arrayse.pre);
    4106        37786 :   tmp = fold_build2_loc (input_location, op, logical_type_node, arrayse.expr,
    4107        37786 :                          build_int_cst (TREE_TYPE (arrayse.expr), 0));
    4108        37786 :   tmp = build3_v (COND_EXPR, tmp, found, build_empty_stmt (input_location));
    4109        37786 :   gfc_add_expr_to_block (&body, tmp);
    4110        37786 :   gfc_add_block_to_block (&body, &arrayse.post);
    4111              : 
    4112        37786 :   gfc_trans_scalarizing_loops (&loop, &body);
    4113              : 
    4114              :   /* Add the exit label.  */
    4115        37786 :   tmp = build1_v (LABEL_EXPR, exit_label);
    4116        37786 :   gfc_add_expr_to_block (&loop.pre, tmp);
    4117              : 
    4118        37786 :   gfc_add_block_to_block (&se->pre, &loop.pre);
    4119        37786 :   gfc_add_block_to_block (&se->pre, &loop.post);
    4120        37786 :   gfc_cleanup_loop (&loop);
    4121              : 
    4122        37786 :   se->expr = resvar;
    4123              : }
    4124              : 
    4125              : 
    4126              : /* Generate the constant 180 / pi, which is used in the conversion
    4127              :    of acosd(), asind(), atand(), atan2d().  */
    4128              : 
    4129              : static tree
    4130          336 : rad2deg (int kind)
    4131              : {
    4132          336 :   tree retval;
    4133          336 :   mpfr_t pi, t0;
    4134              : 
    4135          336 :   gfc_set_model_kind (kind);
    4136          336 :   mpfr_init (pi);
    4137          336 :   mpfr_init (t0);
    4138          336 :   mpfr_set_si (t0, 180, GFC_RND_MODE);
    4139          336 :   mpfr_const_pi (pi, GFC_RND_MODE);
    4140          336 :   mpfr_div (t0, t0, pi, GFC_RND_MODE);
    4141          336 :   retval = gfc_conv_mpfr_to_tree (t0, kind, 0);
    4142          336 :   mpfr_clear (t0);
    4143          336 :   mpfr_clear (pi);
    4144          336 :   return retval;
    4145              : }
    4146              : 
    4147              : 
    4148              : static gfc_intrinsic_map_t *
    4149          546 : gfc_lookup_intrinsic (gfc_isym_id id)
    4150              : {
    4151          546 :   gfc_intrinsic_map_t *m = gfc_intrinsic_map;
    4152        11154 :   for (; m->id != GFC_ISYM_NONE || m->double_built_in != END_BUILTINS; m++)
    4153        11154 :     if (id == m->id)
    4154              :       break;
    4155          546 :   gcc_assert (id == m->id);
    4156          546 :   return m;
    4157              : }
    4158              : 
    4159              : 
    4160              : /* ACOSD(x) is translated into ACOS(x) * 180 / pi.
    4161              :    ASIND(x) is translated into ASIN(x) * 180 / pi.
    4162              :    ATAND(x) is translated into ATAN(x) * 180 / pi.  */
    4163              : 
    4164              : static void
    4165          216 : gfc_conv_intrinsic_atrigd (gfc_se * se, gfc_expr * expr, gfc_isym_id id)
    4166              : {
    4167          216 :   tree arg;
    4168          216 :   tree atrigd;
    4169          216 :   tree type;
    4170          216 :   gfc_intrinsic_map_t *m;
    4171              : 
    4172          216 :   type = gfc_typenode_for_spec (&expr->ts);
    4173              : 
    4174          216 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    4175              : 
    4176          216 :   switch (id)
    4177              :     {
    4178           72 :     case GFC_ISYM_ACOSD:
    4179           72 :       m = gfc_lookup_intrinsic (GFC_ISYM_ACOS);
    4180           72 :       break;
    4181           72 :     case GFC_ISYM_ASIND:
    4182           72 :       m = gfc_lookup_intrinsic (GFC_ISYM_ASIN);
    4183           72 :       break;
    4184           72 :     case GFC_ISYM_ATAND:
    4185           72 :       m = gfc_lookup_intrinsic (GFC_ISYM_ATAN);
    4186           72 :       break;
    4187            0 :     default:
    4188            0 :       gcc_unreachable ();
    4189              :     }
    4190          216 :   atrigd = gfc_get_intrinsic_lib_fndecl (m, expr);
    4191          216 :   atrigd = build_call_expr_loc (input_location, atrigd, 1, arg);
    4192              : 
    4193          216 :   se->expr = fold_build2_loc (input_location, MULT_EXPR, type, atrigd,
    4194              :                               fold_convert (type, rad2deg (expr->ts.kind)));
    4195          216 : }
    4196              : 
    4197              : 
    4198              : /* COTAN(X) is translated into -TAN(X+PI/2) for REAL argument and
    4199              :    COS(X) / SIN(X) for COMPLEX argument.  */
    4200              : 
    4201              : static void
    4202          102 : gfc_conv_intrinsic_cotan (gfc_se *se, gfc_expr *expr)
    4203              : {
    4204          102 :   gfc_intrinsic_map_t *m;
    4205          102 :   tree arg;
    4206          102 :   tree type;
    4207              : 
    4208          102 :   type = gfc_typenode_for_spec (&expr->ts);
    4209          102 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    4210              : 
    4211          102 :   if (expr->ts.type == BT_REAL)
    4212              :     {
    4213          102 :       tree tan;
    4214          102 :       tree tmp;
    4215          102 :       mpfr_t pio2;
    4216              : 
    4217              :       /* Create pi/2.  */
    4218          102 :       gfc_set_model_kind (expr->ts.kind);
    4219          102 :       mpfr_init (pio2);
    4220          102 :       mpfr_const_pi (pio2, GFC_RND_MODE);
    4221          102 :       mpfr_div_ui (pio2, pio2, 2, GFC_RND_MODE);
    4222          102 :       tmp = gfc_conv_mpfr_to_tree (pio2, expr->ts.kind, 0);
    4223          102 :       mpfr_clear (pio2);
    4224              : 
    4225              :       /* Find tan builtin function.  */
    4226          102 :       m = gfc_lookup_intrinsic (GFC_ISYM_TAN);
    4227          102 :       tan = gfc_get_intrinsic_lib_fndecl (m, expr);
    4228          102 :       tmp = fold_build2_loc (input_location, PLUS_EXPR, type, arg, tmp);
    4229          102 :       tan = build_call_expr_loc (input_location, tan, 1, tmp);
    4230          102 :       se->expr = fold_build1_loc (input_location, NEGATE_EXPR, type, tan);
    4231              :     }
    4232              :   else
    4233              :     {
    4234            0 :       tree sin;
    4235            0 :       tree cos;
    4236              : 
    4237              :       /* Find cos builtin function.  */
    4238            0 :       m = gfc_lookup_intrinsic (GFC_ISYM_COS);
    4239            0 :       cos = gfc_get_intrinsic_lib_fndecl (m, expr);
    4240            0 :       cos = build_call_expr_loc (input_location, cos, 1, arg);
    4241              : 
    4242              :       /* Find sin builtin function.  */
    4243            0 :       m = gfc_lookup_intrinsic (GFC_ISYM_SIN);
    4244            0 :       sin = gfc_get_intrinsic_lib_fndecl (m, expr);
    4245            0 :       sin = build_call_expr_loc (input_location, sin, 1, arg);
    4246              : 
    4247              :       /* Divide cos by sin. */
    4248            0 :       se->expr = fold_build2_loc (input_location, RDIV_EXPR, type, cos, sin);
    4249              :    }
    4250          102 : }
    4251              : 
    4252              : 
    4253              : /* COTAND(X) is translated into -TAND(X+90) for REAL argument.  */
    4254              : 
    4255              : static void
    4256          108 : gfc_conv_intrinsic_cotand (gfc_se *se, gfc_expr *expr)
    4257              : {
    4258          108 :   tree arg;
    4259          108 :   tree type;
    4260          108 :   tree ninety_tree;
    4261          108 :   mpfr_t ninety;
    4262              : 
    4263          108 :   type = gfc_typenode_for_spec (&expr->ts);
    4264          108 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    4265              : 
    4266          108 :   gfc_set_model_kind (expr->ts.kind);
    4267              : 
    4268              :   /* Build the tree for x + 90.  */
    4269          108 :   mpfr_init_set_ui (ninety, 90, GFC_RND_MODE);
    4270          108 :   ninety_tree = gfc_conv_mpfr_to_tree (ninety, expr->ts.kind, 0);
    4271          108 :   arg = fold_build2_loc (input_location, PLUS_EXPR, type, arg, ninety_tree);
    4272          108 :   mpfr_clear (ninety);
    4273              : 
    4274              :   /* Find tand.  */
    4275          108 :   gfc_intrinsic_map_t *m = gfc_lookup_intrinsic (GFC_ISYM_TAND);
    4276          108 :   tree tand = gfc_get_intrinsic_lib_fndecl (m, expr);
    4277          108 :   tand = build_call_expr_loc (input_location, tand, 1, arg);
    4278              : 
    4279          108 :   se->expr = fold_build1_loc (input_location, NEGATE_EXPR, type, tand);
    4280          108 : }
    4281              : 
    4282              : 
    4283              : /* ATAN2D(Y,X) is translated into ATAN2(Y,X) * 180 / PI. */
    4284              : 
    4285              : static void
    4286          120 : gfc_conv_intrinsic_atan2d (gfc_se *se, gfc_expr *expr)
    4287              : {
    4288          120 :   tree args[2];
    4289          120 :   tree atan2d;
    4290          120 :   tree type;
    4291              : 
    4292          120 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    4293          120 :   type = TREE_TYPE (args[0]);
    4294              : 
    4295          120 :   gfc_intrinsic_map_t *m = gfc_lookup_intrinsic (GFC_ISYM_ATAN2);
    4296          120 :   atan2d = gfc_get_intrinsic_lib_fndecl (m, expr);
    4297          120 :   atan2d = build_call_expr_loc (input_location, atan2d, 2, args[0], args[1]);
    4298              : 
    4299          120 :   se->expr = fold_build2_loc (input_location, MULT_EXPR, type, atan2d,
    4300              :                               rad2deg (expr->ts.kind));
    4301          120 : }
    4302              : 
    4303              : 
    4304              : /* COUNT(A) = Number of true elements in A.  */
    4305              : static void
    4306          143 : gfc_conv_intrinsic_count (gfc_se * se, gfc_expr * expr)
    4307              : {
    4308          143 :   tree resvar;
    4309          143 :   tree type;
    4310          143 :   stmtblock_t body;
    4311          143 :   tree tmp;
    4312          143 :   gfc_loopinfo loop;
    4313          143 :   gfc_actual_arglist *actual;
    4314          143 :   gfc_ss *arrayss;
    4315          143 :   gfc_se arrayse;
    4316              : 
    4317          143 :   if (se->ss)
    4318              :     {
    4319            0 :       gfc_conv_intrinsic_funcall (se, expr);
    4320            0 :       return;
    4321              :     }
    4322              : 
    4323          143 :   actual = expr->value.function.actual;
    4324              : 
    4325          143 :   type = gfc_typenode_for_spec (&expr->ts);
    4326              :   /* Initialize the result.  */
    4327          143 :   resvar = gfc_create_var (type, "count");
    4328          143 :   gfc_add_modify (&se->pre, resvar, build_int_cst (type, 0));
    4329              : 
    4330              :   /* Walk the arguments.  */
    4331          143 :   arrayss = gfc_walk_expr (actual->expr);
    4332          143 :   gcc_assert (arrayss != gfc_ss_terminator);
    4333              : 
    4334              :   /* Initialize the scalarizer.  */
    4335          143 :   gfc_init_loopinfo (&loop);
    4336          143 :   gfc_add_ss_to_loop (&loop, arrayss);
    4337              : 
    4338              :   /* Initialize the loop.  */
    4339          143 :   gfc_conv_ss_startstride (&loop);
    4340          143 :   gfc_conv_loop_setup (&loop, &expr->where);
    4341              : 
    4342          143 :   gfc_mark_ss_chain_used (arrayss, 1);
    4343              :   /* Generate the loop body.  */
    4344          143 :   gfc_start_scalarized_body (&loop, &body);
    4345              : 
    4346          143 :   tmp = fold_build2_loc (input_location, PLUS_EXPR, TREE_TYPE (resvar),
    4347          143 :                          resvar, build_int_cst (TREE_TYPE (resvar), 1));
    4348          143 :   tmp = build2_v (MODIFY_EXPR, resvar, tmp);
    4349              : 
    4350          143 :   gfc_init_se (&arrayse, NULL);
    4351          143 :   gfc_copy_loopinfo_to_se (&arrayse, &loop);
    4352          143 :   arrayse.ss = arrayss;
    4353          143 :   gfc_conv_expr_val (&arrayse, actual->expr);
    4354          143 :   tmp = build3_v (COND_EXPR, arrayse.expr, tmp,
    4355              :                   build_empty_stmt (input_location));
    4356              : 
    4357          143 :   gfc_add_block_to_block (&body, &arrayse.pre);
    4358          143 :   gfc_add_expr_to_block (&body, tmp);
    4359          143 :   gfc_add_block_to_block (&body, &arrayse.post);
    4360              : 
    4361          143 :   gfc_trans_scalarizing_loops (&loop, &body);
    4362              : 
    4363          143 :   gfc_add_block_to_block (&se->pre, &loop.pre);
    4364          143 :   gfc_add_block_to_block (&se->pre, &loop.post);
    4365          143 :   gfc_cleanup_loop (&loop);
    4366              : 
    4367          143 :   se->expr = resvar;
    4368              : }
    4369              : 
    4370              : 
    4371              : /* Update given gfc_se to have ss component pointing to the nested gfc_ss
    4372              :    struct and return the corresponding loopinfo.  */
    4373              : 
    4374              : static gfc_loopinfo *
    4375         3374 : enter_nested_loop (gfc_se *se)
    4376              : {
    4377         3374 :   se->ss = se->ss->nested_ss;
    4378         3374 :   gcc_assert (se->ss == se->ss->loop->ss);
    4379              : 
    4380         3374 :   return se->ss->loop;
    4381              : }
    4382              : 
    4383              : /* Build the condition for a mask, which may be optional.  */
    4384              : 
    4385              : static tree
    4386        12763 : conv_mask_condition (gfc_se *maskse, gfc_expr *maskexpr,
    4387              :                          bool optional_mask)
    4388              : {
    4389        12763 :   tree present;
    4390        12763 :   tree type;
    4391              : 
    4392        12763 :   if (optional_mask)
    4393              :     {
    4394          206 :       type = TREE_TYPE (maskse->expr);
    4395          206 :       present = gfc_conv_expr_present (maskexpr->symtree->n.sym);
    4396          206 :       present = convert (type, present);
    4397          206 :       present = fold_build1_loc (input_location, TRUTH_NOT_EXPR, type,
    4398              :                                  present);
    4399          206 :       return fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    4400          206 :                               type, present, maskse->expr);
    4401              :     }
    4402              :   else
    4403        12557 :     return maskse->expr;
    4404              : }
    4405              : 
    4406              : /* Inline implementation of the sum and product intrinsics.  */
    4407              : static void
    4408         2501 : gfc_conv_intrinsic_arith (gfc_se * se, gfc_expr * expr, enum tree_code op,
    4409              :                           bool norm2)
    4410              : {
    4411         2501 :   tree resvar;
    4412         2501 :   tree scale = NULL_TREE;
    4413         2501 :   tree type;
    4414         2501 :   stmtblock_t body;
    4415         2501 :   stmtblock_t block;
    4416         2501 :   tree tmp;
    4417         2501 :   gfc_loopinfo loop, *ploop;
    4418         2501 :   gfc_actual_arglist *arg_array, *arg_mask;
    4419         2501 :   gfc_ss *arrayss = NULL;
    4420         2501 :   gfc_ss *maskss = NULL;
    4421         2501 :   gfc_se arrayse;
    4422         2501 :   gfc_se maskse;
    4423         2501 :   gfc_se *parent_se;
    4424         2501 :   gfc_expr *arrayexpr;
    4425         2501 :   gfc_expr *maskexpr;
    4426         2501 :   bool optional_mask;
    4427              : 
    4428         2501 :   if (expr->rank > 0)
    4429              :     {
    4430          578 :       gcc_assert (gfc_inline_intrinsic_function_p (expr));
    4431              :       parent_se = se;
    4432              :     }
    4433              :   else
    4434              :     parent_se = NULL;
    4435              : 
    4436         2501 :   type = gfc_typenode_for_spec (&expr->ts);
    4437              :   /* Initialize the result.  */
    4438         2501 :   resvar = gfc_create_var (type, "val");
    4439         2501 :   if (norm2)
    4440              :     {
    4441              :       /* result = 0.0;
    4442              :          scale = 1.0.  */
    4443           68 :       scale = gfc_create_var (type, "scale");
    4444           68 :       gfc_add_modify (&se->pre, scale,
    4445              :                       gfc_build_const (type, integer_one_node));
    4446           68 :       tmp = gfc_build_const (type, integer_zero_node);
    4447              :     }
    4448         2433 :   else if (op == PLUS_EXPR || op == BIT_IOR_EXPR || op == BIT_XOR_EXPR)
    4449         2027 :     tmp = gfc_build_const (type, integer_zero_node);
    4450          406 :   else if (op == NE_EXPR)
    4451              :     /* PARITY.  */
    4452           36 :     tmp = convert (type, boolean_false_node);
    4453          370 :   else if (op == BIT_AND_EXPR)
    4454           24 :     tmp = gfc_build_const (type, fold_build1_loc (input_location, NEGATE_EXPR,
    4455              :                                                   type, integer_one_node));
    4456              :   else
    4457          346 :     tmp = gfc_build_const (type, integer_one_node);
    4458              : 
    4459         2501 :   gfc_add_modify (&se->pre, resvar, tmp);
    4460              : 
    4461         2501 :   arg_array = expr->value.function.actual;
    4462              : 
    4463         2501 :   arrayexpr = arg_array->expr;
    4464              : 
    4465         2501 :   if (op == NE_EXPR || norm2)
    4466              :     {
    4467              :       /* PARITY and NORM2.  */
    4468              :       maskexpr = NULL;
    4469              :       optional_mask = false;
    4470              :     }
    4471              :   else
    4472              :     {
    4473         2397 :       arg_mask  = arg_array->next->next;
    4474         2397 :       gcc_assert (arg_mask != NULL);
    4475         2397 :       maskexpr = arg_mask->expr;
    4476          371 :       optional_mask = maskexpr && maskexpr->expr_type == EXPR_VARIABLE
    4477          266 :         && maskexpr->symtree->n.sym->attr.dummy
    4478         2415 :         && maskexpr->symtree->n.sym->attr.optional;
    4479              :     }
    4480              : 
    4481         2501 :   if (expr->rank == 0)
    4482              :     {
    4483              :       /* Walk the arguments.  */
    4484         1923 :       arrayss = gfc_walk_expr (arrayexpr);
    4485         1923 :       gcc_assert (arrayss != gfc_ss_terminator);
    4486              : 
    4487         1923 :       if (maskexpr && maskexpr->rank > 0)
    4488              :         {
    4489          223 :           maskss = gfc_walk_expr (maskexpr);
    4490          223 :           gcc_assert (maskss != gfc_ss_terminator);
    4491              :         }
    4492              :       else
    4493              :         maskss = NULL;
    4494              : 
    4495              :       /* Initialize the scalarizer.  */
    4496         1923 :       gfc_init_loopinfo (&loop);
    4497              : 
    4498              :       /* We add the mask first because the number of iterations is
    4499              :          taken from the last ss, and this breaks if an absent
    4500              :          optional argument is used for mask.  */
    4501              : 
    4502         1923 :       if (maskexpr && maskexpr->rank > 0)
    4503          223 :         gfc_add_ss_to_loop (&loop, maskss);
    4504         1923 :       gfc_add_ss_to_loop (&loop, arrayss);
    4505              : 
    4506              :       /* Initialize the loop.  */
    4507         1923 :       gfc_conv_ss_startstride (&loop);
    4508         1923 :       gfc_conv_loop_setup (&loop, &expr->where);
    4509              : 
    4510         1923 :       if (maskexpr && maskexpr->rank > 0)
    4511          223 :         gfc_mark_ss_chain_used (maskss, 1);
    4512         1923 :       gfc_mark_ss_chain_used (arrayss, 1);
    4513              : 
    4514         1923 :       ploop = &loop;
    4515              :     }
    4516              :   else
    4517              :     /* All the work has been done in the parent loops.  */
    4518          578 :     ploop = enter_nested_loop (se);
    4519              : 
    4520         2501 :   gcc_assert (ploop);
    4521              : 
    4522              :   /* Generate the loop body.  */
    4523         2501 :   gfc_start_scalarized_body (ploop, &body);
    4524              : 
    4525              :   /* If we have a mask, only add this element if the mask is set.  */
    4526         2501 :   if (maskexpr && maskexpr->rank > 0)
    4527              :     {
    4528          307 :       gfc_init_se (&maskse, parent_se);
    4529          307 :       gfc_copy_loopinfo_to_se (&maskse, ploop);
    4530          307 :       if (expr->rank == 0)
    4531          223 :         maskse.ss = maskss;
    4532          307 :       gfc_conv_expr_val (&maskse, maskexpr);
    4533          307 :       gfc_add_block_to_block (&body, &maskse.pre);
    4534              : 
    4535          307 :       gfc_start_block (&block);
    4536              :     }
    4537              :   else
    4538         2194 :     gfc_init_block (&block);
    4539              : 
    4540              :   /* Do the actual summation/product.  */
    4541         2501 :   gfc_init_se (&arrayse, parent_se);
    4542         2501 :   gfc_copy_loopinfo_to_se (&arrayse, ploop);
    4543         2501 :   if (expr->rank == 0)
    4544         1923 :     arrayse.ss = arrayss;
    4545         2501 :   gfc_conv_expr_val (&arrayse, arrayexpr);
    4546         2501 :   gfc_add_block_to_block (&block, &arrayse.pre);
    4547              : 
    4548         2501 :   if (norm2)
    4549              :     {
    4550              :       /* if (x (i) != 0.0)
    4551              :            {
    4552              :              absX = abs(x(i))
    4553              :              if (absX > scale)
    4554              :                {
    4555              :                  val = scale/absX;
    4556              :                  result = 1.0 + result * val * val;
    4557              :                  scale = absX;
    4558              :                }
    4559              :              else
    4560              :                {
    4561              :                  val = absX/scale;
    4562              :                  result += val * val;
    4563              :                }
    4564              :            }  */
    4565           68 :       tree res1, res2, cond, absX, val;
    4566           68 :       stmtblock_t ifblock1, ifblock2, ifblock3;
    4567              : 
    4568           68 :       gfc_init_block (&ifblock1);
    4569              : 
    4570           68 :       absX = gfc_create_var (type, "absX");
    4571           68 :       gfc_add_modify (&ifblock1, absX,
    4572              :                       fold_build1_loc (input_location, ABS_EXPR, type,
    4573              :                                        arrayse.expr));
    4574           68 :       val = gfc_create_var (type, "val");
    4575           68 :       gfc_add_expr_to_block (&ifblock1, val);
    4576              : 
    4577           68 :       gfc_init_block (&ifblock2);
    4578           68 :       gfc_add_modify (&ifblock2, val,
    4579              :                       fold_build2_loc (input_location, RDIV_EXPR, type, scale,
    4580              :                                        absX));
    4581           68 :       res1 = fold_build2_loc (input_location, MULT_EXPR, type, val, val);
    4582           68 :       res1 = fold_build2_loc (input_location, MULT_EXPR, type, resvar, res1);
    4583           68 :       res1 = fold_build2_loc (input_location, PLUS_EXPR, type, res1,
    4584              :                               gfc_build_const (type, integer_one_node));
    4585           68 :       gfc_add_modify (&ifblock2, resvar, res1);
    4586           68 :       gfc_add_modify (&ifblock2, scale, absX);
    4587           68 :       res1 = gfc_finish_block (&ifblock2);
    4588              : 
    4589           68 :       gfc_init_block (&ifblock3);
    4590           68 :       gfc_add_modify (&ifblock3, val,
    4591              :                       fold_build2_loc (input_location, RDIV_EXPR, type, absX,
    4592              :                                        scale));
    4593           68 :       res2 = fold_build2_loc (input_location, MULT_EXPR, type, val, val);
    4594           68 :       res2 = fold_build2_loc (input_location, PLUS_EXPR, type, resvar, res2);
    4595           68 :       gfc_add_modify (&ifblock3, resvar, res2);
    4596           68 :       res2 = gfc_finish_block (&ifblock3);
    4597              : 
    4598           68 :       cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    4599              :                               absX, scale);
    4600           68 :       tmp = build3_v (COND_EXPR, cond, res1, res2);
    4601           68 :       gfc_add_expr_to_block (&ifblock1, tmp);
    4602           68 :       tmp = gfc_finish_block (&ifblock1);
    4603              : 
    4604           68 :       cond = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    4605              :                               arrayse.expr,
    4606              :                               gfc_build_const (type, integer_zero_node));
    4607              : 
    4608           68 :       tmp = build3_v (COND_EXPR, cond, tmp, build_empty_stmt (input_location));
    4609           68 :       gfc_add_expr_to_block (&block, tmp);
    4610              :     }
    4611              :   else
    4612              :     {
    4613         2433 :       tmp = fold_build2_loc (input_location, op, type, resvar, arrayse.expr);
    4614         2433 :       gfc_add_modify (&block, resvar, tmp);
    4615              :     }
    4616              : 
    4617         2501 :   gfc_add_block_to_block (&block, &arrayse.post);
    4618              : 
    4619         2501 :   if (maskexpr && maskexpr->rank > 0)
    4620              :     {
    4621              :       /* We enclose the above in if (mask) {...} .  If the mask is an
    4622              :          optional argument, generate
    4623              :          IF (.NOT. PRESENT(MASK) .OR. MASK(I)).  */
    4624          307 :       tree ifmask;
    4625          307 :       tmp = gfc_finish_block (&block);
    4626          307 :       ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    4627          307 :       tmp = build3_v (COND_EXPR, ifmask, tmp,
    4628              :                       build_empty_stmt (input_location));
    4629          307 :     }
    4630              :   else
    4631         2194 :     tmp = gfc_finish_block (&block);
    4632         2501 :   gfc_add_expr_to_block (&body, tmp);
    4633              : 
    4634         2501 :   gfc_trans_scalarizing_loops (ploop, &body);
    4635              : 
    4636              :   /* For a scalar mask, enclose the loop in an if statement.  */
    4637         2501 :   if (maskexpr && maskexpr->rank == 0)
    4638              :     {
    4639           64 :       gfc_init_block (&block);
    4640           64 :       gfc_add_block_to_block (&block, &ploop->pre);
    4641           64 :       gfc_add_block_to_block (&block, &ploop->post);
    4642           64 :       tmp = gfc_finish_block (&block);
    4643              : 
    4644           64 :       if (expr->rank > 0)
    4645              :         {
    4646           34 :           tmp = build3_v (COND_EXPR, se->ss->info->data.scalar.value, tmp,
    4647              :                           build_empty_stmt (input_location));
    4648           34 :           gfc_advance_se_ss_chain (se);
    4649              :         }
    4650              :       else
    4651              :         {
    4652           30 :           tree ifmask;
    4653              : 
    4654           30 :           gcc_assert (expr->rank == 0);
    4655           30 :           gfc_init_se (&maskse, NULL);
    4656           30 :           gfc_conv_expr_val (&maskse, maskexpr);
    4657           30 :           ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    4658           30 :           tmp = build3_v (COND_EXPR, ifmask, tmp,
    4659              :                           build_empty_stmt (input_location));
    4660              :         }
    4661              : 
    4662           64 :       gfc_add_expr_to_block (&block, tmp);
    4663           64 :       gfc_add_block_to_block (&se->pre, &block);
    4664           64 :       gcc_assert (se->post.head == NULL);
    4665              :     }
    4666              :   else
    4667              :     {
    4668         2437 :       gfc_add_block_to_block (&se->pre, &ploop->pre);
    4669         2437 :       gfc_add_block_to_block (&se->pre, &ploop->post);
    4670              :     }
    4671              : 
    4672         2501 :   if (expr->rank == 0)
    4673         1923 :     gfc_cleanup_loop (ploop);
    4674              : 
    4675         2501 :   if (norm2)
    4676              :     {
    4677              :       /* result = scale * sqrt(result).  */
    4678           68 :       tree sqrt;
    4679           68 :       sqrt = gfc_builtin_decl_for_float_kind (BUILT_IN_SQRT, expr->ts.kind);
    4680           68 :       resvar = build_call_expr_loc (input_location,
    4681              :                                     sqrt, 1, resvar);
    4682           68 :       resvar = fold_build2_loc (input_location, MULT_EXPR, type, scale, resvar);
    4683              :     }
    4684              : 
    4685         2501 :   se->expr = resvar;
    4686         2501 : }
    4687              : 
    4688              : 
    4689              : /* Inline implementation of the dot_product intrinsic. This function
    4690              :    is based on gfc_conv_intrinsic_arith (the previous function).  */
    4691              : static void
    4692          113 : gfc_conv_intrinsic_dot_product (gfc_se * se, gfc_expr * expr)
    4693              : {
    4694          113 :   tree resvar;
    4695          113 :   tree type;
    4696          113 :   stmtblock_t body;
    4697          113 :   stmtblock_t block;
    4698          113 :   tree tmp;
    4699          113 :   gfc_loopinfo loop;
    4700          113 :   gfc_actual_arglist *actual;
    4701          113 :   gfc_ss *arrayss1, *arrayss2;
    4702          113 :   gfc_se arrayse1, arrayse2;
    4703          113 :   gfc_expr *arrayexpr1, *arrayexpr2;
    4704              : 
    4705          113 :   type = gfc_typenode_for_spec (&expr->ts);
    4706              : 
    4707              :   /* Initialize the result.  */
    4708          113 :   resvar = gfc_create_var (type, "val");
    4709          113 :   if (expr->ts.type == BT_LOGICAL)
    4710           30 :     tmp = build_int_cst (type, 0);
    4711              :   else
    4712           83 :     tmp = gfc_build_const (type, integer_zero_node);
    4713              : 
    4714          113 :   gfc_add_modify (&se->pre, resvar, tmp);
    4715              : 
    4716              :   /* Walk argument #1.  */
    4717          113 :   actual = expr->value.function.actual;
    4718          113 :   arrayexpr1 = actual->expr;
    4719          113 :   arrayss1 = gfc_walk_expr (arrayexpr1);
    4720          113 :   gcc_assert (arrayss1 != gfc_ss_terminator);
    4721              : 
    4722              :   /* Walk argument #2.  */
    4723          113 :   actual = actual->next;
    4724          113 :   arrayexpr2 = actual->expr;
    4725          113 :   arrayss2 = gfc_walk_expr (arrayexpr2);
    4726          113 :   gcc_assert (arrayss2 != gfc_ss_terminator);
    4727              : 
    4728              :   /* Initialize the scalarizer.  */
    4729          113 :   gfc_init_loopinfo (&loop);
    4730          113 :   gfc_add_ss_to_loop (&loop, arrayss1);
    4731          113 :   gfc_add_ss_to_loop (&loop, arrayss2);
    4732              : 
    4733              :   /* Initialize the loop.  */
    4734          113 :   gfc_conv_ss_startstride (&loop);
    4735          113 :   gfc_conv_loop_setup (&loop, &expr->where);
    4736              : 
    4737          113 :   gfc_mark_ss_chain_used (arrayss1, 1);
    4738          113 :   gfc_mark_ss_chain_used (arrayss2, 1);
    4739              : 
    4740              :   /* Generate the loop body.  */
    4741          113 :   gfc_start_scalarized_body (&loop, &body);
    4742          113 :   gfc_init_block (&block);
    4743              : 
    4744              :   /* Make the tree expression for [conjg(]array1[)].  */
    4745          113 :   gfc_init_se (&arrayse1, NULL);
    4746          113 :   gfc_copy_loopinfo_to_se (&arrayse1, &loop);
    4747          113 :   arrayse1.ss = arrayss1;
    4748          113 :   gfc_conv_expr_val (&arrayse1, arrayexpr1);
    4749          113 :   if (expr->ts.type == BT_COMPLEX)
    4750            9 :     arrayse1.expr = fold_build1_loc (input_location, CONJ_EXPR, type,
    4751              :                                      arrayse1.expr);
    4752          113 :   gfc_add_block_to_block (&block, &arrayse1.pre);
    4753              : 
    4754              :   /* Make the tree expression for array2.  */
    4755          113 :   gfc_init_se (&arrayse2, NULL);
    4756          113 :   gfc_copy_loopinfo_to_se (&arrayse2, &loop);
    4757          113 :   arrayse2.ss = arrayss2;
    4758          113 :   gfc_conv_expr_val (&arrayse2, arrayexpr2);
    4759          113 :   gfc_add_block_to_block (&block, &arrayse2.pre);
    4760              : 
    4761              :   /* Do the actual product and sum.  */
    4762          113 :   if (expr->ts.type == BT_LOGICAL)
    4763              :     {
    4764           30 :       tmp = fold_build2_loc (input_location, TRUTH_AND_EXPR, type,
    4765              :                              arrayse1.expr, arrayse2.expr);
    4766           30 :       tmp = fold_build2_loc (input_location, TRUTH_OR_EXPR, type, resvar, tmp);
    4767              :     }
    4768              :   else
    4769              :     {
    4770           83 :       tmp = fold_build2_loc (input_location, MULT_EXPR, type, arrayse1.expr,
    4771              :                              arrayse2.expr);
    4772           83 :       tmp = fold_build2_loc (input_location, PLUS_EXPR, type, resvar, tmp);
    4773              :     }
    4774          113 :   gfc_add_modify (&block, resvar, tmp);
    4775              : 
    4776              :   /* Finish up the loop block and the loop.  */
    4777          113 :   tmp = gfc_finish_block (&block);
    4778          113 :   gfc_add_expr_to_block (&body, tmp);
    4779              : 
    4780          113 :   gfc_trans_scalarizing_loops (&loop, &body);
    4781          113 :   gfc_add_block_to_block (&se->pre, &loop.pre);
    4782          113 :   gfc_add_block_to_block (&se->pre, &loop.post);
    4783          113 :   gfc_cleanup_loop (&loop);
    4784              : 
    4785          113 :   se->expr = resvar;
    4786          113 : }
    4787              : 
    4788              : 
    4789              : /* Tells whether the expression E is a reference to an optional variable whose
    4790              :    presence is not known at compile time.  Those are variable references without
    4791              :    subreference; if there is a subreference, we can assume the variable is
    4792              :    present.  We have to special case full arrays, which we represent with a fake
    4793              :    "full" reference, and class descriptors for which a reference to data is not
    4794              :    really a subreference.  */
    4795              : 
    4796              : bool
    4797        14613 : maybe_absent_optional_variable (gfc_expr *e)
    4798              : {
    4799        14613 :   if (!(e && e->expr_type == EXPR_VARIABLE))
    4800              :     return false;
    4801              : 
    4802         1716 :   gfc_symbol *sym = e->symtree->n.sym;
    4803         1716 :   if (!sym->attr.optional)
    4804              :     return false;
    4805              : 
    4806          224 :   gfc_ref *ref = e->ref;
    4807          224 :   if (ref == nullptr)
    4808              :     return true;
    4809              : 
    4810           20 :   if (ref->type == REF_ARRAY
    4811           20 :       && ref->u.ar.type == AR_FULL
    4812           20 :       && ref->next == nullptr)
    4813              :     return true;
    4814              : 
    4815            0 :   if (!(sym->ts.type == BT_CLASS
    4816            0 :         && ref->type == REF_COMPONENT
    4817            0 :         && ref->u.c.component == CLASS_DATA (sym)))
    4818              :     return false;
    4819              : 
    4820            0 :   gfc_ref *next_ref = ref->next;
    4821            0 :   if (next_ref == nullptr)
    4822              :     return true;
    4823              : 
    4824            0 :   if (next_ref->type == REF_ARRAY
    4825            0 :       && next_ref->u.ar.type == AR_FULL
    4826            0 :       && next_ref->next == nullptr)
    4827            0 :     return true;
    4828              : 
    4829              :   return false;
    4830              : }
    4831              : 
    4832              : 
    4833              : /* Emit code for minloc or maxloc intrinsic.  There are many different cases
    4834              :    we need to handle.  For performance reasons we sometimes create two
    4835              :    loops instead of one, where the second one is much simpler.
    4836              :    Examples for minloc intrinsic:
    4837              :    A: Result is scalar.
    4838              :       1) Array mask is used and NaNs need to be supported:
    4839              :          limit = Infinity;
    4840              :          pos = 0;
    4841              :          S = from;
    4842              :          while (S <= to) {
    4843              :            if (mask[S]) {
    4844              :              if (pos == 0) pos = S + (1 - from);
    4845              :              if (a[S] <= limit) {
    4846              :                limit = a[S];
    4847              :                pos = S + (1 - from);
    4848              :                goto lab1;
    4849              :              }
    4850              :            }
    4851              :            S++;
    4852              :          }
    4853              :          goto lab2;
    4854              :          lab1:;
    4855              :          while (S <= to) {
    4856              :            if (mask[S])
    4857              :              if (a[S] < limit) {
    4858              :                limit = a[S];
    4859              :                pos = S + (1 - from);
    4860              :              }
    4861              :            S++;
    4862              :          }
    4863              :          lab2:;
    4864              :       2) NaNs need to be supported, but it is known at compile time or cheaply
    4865              :          at runtime whether array is nonempty or not:
    4866              :          limit = Infinity;
    4867              :          pos = 0;
    4868              :          S = from;
    4869              :          while (S <= to) {
    4870              :            if (a[S] <= limit) {
    4871              :              limit = a[S];
    4872              :              pos = S + (1 - from);
    4873              :              goto lab1;
    4874              :            }
    4875              :            S++;
    4876              :          }
    4877              :          if (from <= to) pos = 1;
    4878              :          goto lab2;
    4879              :          lab1:;
    4880              :          while (S <= to) {
    4881              :            if (a[S] < limit) {
    4882              :              limit = a[S];
    4883              :              pos = S + (1 - from);
    4884              :            }
    4885              :            S++;
    4886              :          }
    4887              :          lab2:;
    4888              :       3) NaNs aren't supported, array mask is used:
    4889              :          limit = infinities_supported ? Infinity : huge (limit);
    4890              :          pos = 0;
    4891              :          S = from;
    4892              :          while (S <= to) {
    4893              :            if (mask[S]) {
    4894              :              limit = a[S];
    4895              :              pos = S + (1 - from);
    4896              :              goto lab1;
    4897              :            }
    4898              :            S++;
    4899              :          }
    4900              :          goto lab2;
    4901              :          lab1:;
    4902              :          while (S <= to) {
    4903              :            if (mask[S])
    4904              :              if (a[S] < limit) {
    4905              :                limit = a[S];
    4906              :                pos = S + (1 - from);
    4907              :              }
    4908              :            S++;
    4909              :          }
    4910              :          lab2:;
    4911              :       4) Same without array mask:
    4912              :          limit = infinities_supported ? Infinity : huge (limit);
    4913              :          pos = (from <= to) ? 1 : 0;
    4914              :          S = from;
    4915              :          while (S <= to) {
    4916              :            if (a[S] < limit) {
    4917              :              limit = a[S];
    4918              :              pos = S + (1 - from);
    4919              :            }
    4920              :            S++;
    4921              :          }
    4922              :    B: Array result, non-CHARACTER type, DIM absent
    4923              :       Generate similar code as in the scalar case, using a collection of
    4924              :       variables (one per dimension) instead of a single variable as result.
    4925              :       Picking only cases 1) and 4) with ARRAY of rank 2, the generated code
    4926              :       becomes:
    4927              :       1) Array mask is used and NaNs need to be supported:
    4928              :          limit = Infinity;
    4929              :          pos0 = 0;
    4930              :          pos1 = 0;
    4931              :          S1 = from1;
    4932              :          second_loop_entry = false;
    4933              :          while (S1 <= to1) {
    4934              :            S0 = from0;
    4935              :            while (s0 <= to0 {
    4936              :              if (mask[S1][S0]) {
    4937              :                if (pos0 == 0) {
    4938              :                  pos0 = S0 + (1 - from0);
    4939              :                  pos1 = S1 + (1 - from1);
    4940              :                }
    4941              :                if (a[S1][S0] <= limit) {
    4942              :                  limit = a[S1][S0];
    4943              :                  pos0 = S0 + (1 - from0);
    4944              :                  pos1 = S1 + (1 - from1);
    4945              :                  second_loop_entry = true;
    4946              :                  goto lab1;
    4947              :                }
    4948              :              }
    4949              :              S0++;
    4950              :            }
    4951              :            S1++;
    4952              :          }
    4953              :          goto lab2;
    4954              :          lab1:;
    4955              :          S1 = second_loop_entry ? S1 : from1;
    4956              :          while (S1 <= to1) {
    4957              :            S0 = second_loop_entry ? S0 : from0;
    4958              :            while (S0 <= to0) {
    4959              :              if (mask[S1][S0])
    4960              :                if (a[S1][S0] < limit) {
    4961              :                  limit = a[S1][S0];
    4962              :                  pos0 = S + (1 - from0);
    4963              :                  pos1 = S + (1 - from1);
    4964              :                }
    4965              :              second_loop_entry = false;
    4966              :              S0++;
    4967              :            }
    4968              :            S1++;
    4969              :          }
    4970              :          lab2:;
    4971              :          result = { pos0, pos1 };
    4972              :       ...
    4973              :       4) NANs aren't supported, no array mask.
    4974              :          limit = infinities_supported ? Infinity : huge (limit);
    4975              :          pos0 = (from0 <= to0 && from1 <= to1) ? 1 : 0;
    4976              :          pos1 = (from0 <= to0 && from1 <= to1) ? 1 : 0;
    4977              :          S1 = from1;
    4978              :          while (S1 <= to1) {
    4979              :            S0 = from0;
    4980              :            while (S0 <= to0) {
    4981              :              if (a[S1][S0] < limit) {
    4982              :                limit = a[S1][S0];
    4983              :                pos0 = S + (1 - from0);
    4984              :                pos1 = S + (1 - from1);
    4985              :              }
    4986              :              S0++;
    4987              :            }
    4988              :            S1++;
    4989              :          }
    4990              :          result = { pos0, pos1 };
    4991              :    C: Otherwise, a call is generated.
    4992              :    For 2) and 4), if mask is scalar, this all goes into a conditional,
    4993              :    setting pos = 0; in the else branch.
    4994              : 
    4995              :    Since we now also support the BACK argument, instead of using
    4996              :    if (a[S] < limit), we now use
    4997              : 
    4998              :    if (back)
    4999              :      cond = a[S] <= limit;
    5000              :    else
    5001              :      cond = a[S] < limit;
    5002              :    if (cond) {
    5003              :      ....
    5004              : 
    5005              :    The optimizer is smart enough to move the condition out of the loop.
    5006              :    They are now marked as unlikely too for further speedup.  */
    5007              : 
    5008              : static void
    5009        18898 : gfc_conv_intrinsic_minmaxloc (gfc_se * se, gfc_expr * expr, enum tree_code op)
    5010              : {
    5011        18898 :   stmtblock_t body;
    5012        18898 :   stmtblock_t block;
    5013        18898 :   stmtblock_t ifblock;
    5014        18898 :   stmtblock_t elseblock;
    5015        18898 :   tree limit;
    5016        18898 :   tree type;
    5017        18898 :   tree tmp;
    5018        18898 :   tree cond;
    5019        18898 :   tree elsetmp;
    5020        18898 :   tree ifbody;
    5021        18898 :   tree offset[GFC_MAX_DIMENSIONS];
    5022        18898 :   tree nonempty;
    5023        18898 :   tree lab1, lab2;
    5024        18898 :   tree b_if, b_else;
    5025        18898 :   tree back;
    5026        18898 :   gfc_loopinfo loop, *ploop;
    5027        18898 :   gfc_actual_arglist *array_arg, *dim_arg, *mask_arg, *kind_arg;
    5028        18898 :   gfc_actual_arglist *back_arg;
    5029        18898 :   gfc_ss *arrayss = nullptr;
    5030        18898 :   gfc_ss *maskss = nullptr;
    5031        18898 :   gfc_ss *orig_ss = nullptr;
    5032        18898 :   gfc_se arrayse;
    5033        18898 :   gfc_se maskse;
    5034        18898 :   gfc_se nested_se;
    5035        18898 :   gfc_se *base_se;
    5036        18898 :   gfc_expr *arrayexpr;
    5037        18898 :   gfc_expr *maskexpr;
    5038        18898 :   gfc_expr *backexpr;
    5039        18898 :   gfc_se backse;
    5040        18898 :   tree pos[GFC_MAX_DIMENSIONS];
    5041        18898 :   tree idx[GFC_MAX_DIMENSIONS];
    5042        18898 :   tree result_var = NULL_TREE;
    5043        18898 :   int n;
    5044        18898 :   bool optional_mask;
    5045              : 
    5046        18898 :   array_arg = expr->value.function.actual;
    5047        18898 :   dim_arg = array_arg->next;
    5048        18898 :   mask_arg = dim_arg->next;
    5049        18898 :   kind_arg = mask_arg->next;
    5050        18898 :   back_arg = kind_arg->next;
    5051              : 
    5052        18898 :   bool dim_present = dim_arg->expr != nullptr;
    5053        18898 :   bool nested_loop = dim_present && expr->rank > 0;
    5054              : 
    5055              :   /* Remove kind.  */
    5056        18898 :   if (kind_arg->expr)
    5057              :     {
    5058         2240 :       gfc_free_expr (kind_arg->expr);
    5059         2240 :       kind_arg->expr = NULL;
    5060              :     }
    5061              : 
    5062              :   /* Pass BACK argument by value.  */
    5063        18898 :   back_arg->name = "%VAL";
    5064              : 
    5065        18898 :   if (se->ss)
    5066              :     {
    5067        14732 :       if (se->ss->info->useflags)
    5068              :         {
    5069         7671 :           if (!dim_present || !gfc_inline_intrinsic_function_p (expr))
    5070              :             {
    5071              :               /* The code generating and initializing the result array has been
    5072              :                  generated already before the scalarization loop, either with a
    5073              :                  library function call or with inline code; now we can just use
    5074              :                  the result.  */
    5075         4875 :               gfc_conv_tmp_array_ref (se);
    5076        13822 :               return;
    5077              :             }
    5078              :         }
    5079         7061 :       else if (!gfc_inline_intrinsic_function_p (expr))
    5080              :         {
    5081         3780 :           gfc_conv_intrinsic_funcall (se, expr);
    5082         3780 :           return;
    5083              :         }
    5084              :     }
    5085              : 
    5086        10243 :   arrayexpr = array_arg->expr;
    5087              : 
    5088              :   /* Special case for character maxloc.  Remove unneeded "dim" actual
    5089              :      argument, then call a library function.  */
    5090              : 
    5091        10243 :   if (arrayexpr->ts.type == BT_CHARACTER)
    5092              :     {
    5093          292 :       gcc_assert (expr->rank == 0);
    5094              : 
    5095          292 :       if (dim_arg->expr)
    5096              :         {
    5097          292 :           gfc_free_expr (dim_arg->expr);
    5098          292 :           dim_arg->expr = NULL;
    5099              :         }
    5100          292 :       gfc_conv_intrinsic_funcall (se, expr);
    5101          292 :       return;
    5102              :     }
    5103              : 
    5104         9951 :   type = gfc_typenode_for_spec (&expr->ts);
    5105              : 
    5106         9951 :   if (expr->rank > 0 && !dim_present)
    5107              :     {
    5108         3281 :       gfc_array_spec as;
    5109         3281 :       memset (&as, 0, sizeof (as));
    5110              : 
    5111         3281 :       as.rank = 1;
    5112         3281 :       as.lower[0] = gfc_get_int_expr (gfc_index_integer_kind,
    5113              :                                       &arrayexpr->where,
    5114              :                                       HOST_WIDE_INT_1);
    5115         6562 :       as.upper[0] = gfc_get_int_expr (gfc_index_integer_kind,
    5116              :                                       &arrayexpr->where,
    5117         3281 :                                       arrayexpr->rank);
    5118              : 
    5119         3281 :       tree array = gfc_get_nodesc_array_type (type, &as, PACKED_STATIC, true);
    5120              : 
    5121         3281 :       result_var = gfc_create_var (array, "loc_result");
    5122              :     }
    5123              : 
    5124         7155 :   const int reduction_dimensions = dim_present ? 1 : arrayexpr->rank;
    5125              : 
    5126              :   /* Initialize the result.  */
    5127        22177 :   for (int i = 0; i < reduction_dimensions; i++)
    5128              :     {
    5129        12226 :       pos[i] = gfc_create_var (gfc_array_index_type,
    5130              :                                gfc_get_string ("pos%d", i));
    5131        12226 :       offset[i] = gfc_create_var (gfc_array_index_type,
    5132              :                                   gfc_get_string ("offset%d", i));
    5133        12226 :       idx[i] = gfc_create_var (gfc_array_index_type,
    5134              :                                gfc_get_string ("idx%d", i));
    5135              :     }
    5136              : 
    5137         9951 :   maskexpr = mask_arg->expr;
    5138         6518 :   optional_mask = maskexpr && maskexpr->expr_type == EXPR_VARIABLE
    5139         5329 :     && maskexpr->symtree->n.sym->attr.dummy
    5140        10116 :     && maskexpr->symtree->n.sym->attr.optional;
    5141         9951 :   backexpr = back_arg->expr;
    5142              : 
    5143        17106 :   gfc_init_se (&backse, nested_loop ? se : nullptr);
    5144         9951 :   if (backexpr == nullptr)
    5145            0 :     back = logical_false_node;
    5146         9951 :   else if (maybe_absent_optional_variable (backexpr))
    5147              :     {
    5148              :       /* This should have been checked already by
    5149              :          maybe_absent_optional_variable.  */
    5150          184 :       gcc_checking_assert (backexpr->expr_type == EXPR_VARIABLE);
    5151              : 
    5152          184 :       gfc_conv_expr (&backse, backexpr);
    5153          184 :       tree present = gfc_conv_expr_present (backexpr->symtree->n.sym, false);
    5154          184 :       back = fold_build2_loc (input_location, TRUTH_ANDIF_EXPR,
    5155              :                               logical_type_node, present, backse.expr);
    5156              :     }
    5157              :   else
    5158              :     {
    5159         9767 :       gfc_conv_expr (&backse, backexpr);
    5160         9767 :       back = backse.expr;
    5161              :     }
    5162         9951 :   gfc_add_block_to_block (&se->pre, &backse.pre);
    5163         9951 :   back = gfc_evaluate_now_loc (input_location, back, &se->pre);
    5164         9951 :   gfc_add_block_to_block (&se->pre, &backse.post);
    5165              : 
    5166         9951 :   if (nested_loop)
    5167              :     {
    5168         2796 :       gfc_init_se (&nested_se, se);
    5169         2796 :       base_se = &nested_se;
    5170              :     }
    5171              :   else
    5172              :     {
    5173              :       /* Walk the arguments.  */
    5174         7155 :       arrayss = gfc_walk_expr (arrayexpr);
    5175         7155 :       gcc_assert (arrayss != gfc_ss_terminator);
    5176              : 
    5177         7155 :       if (maskexpr && maskexpr->rank != 0)
    5178              :         {
    5179         2700 :           maskss = gfc_walk_expr (maskexpr);
    5180         2700 :           gcc_assert (maskss != gfc_ss_terminator);
    5181              :         }
    5182              : 
    5183              :       base_se = nullptr;
    5184              :     }
    5185              : 
    5186        18091 :   nonempty = nullptr;
    5187         7448 :   if (!(maskexpr && maskexpr->rank > 0))
    5188              :     {
    5189         6077 :       mpz_t asize;
    5190         6077 :       bool reduction_size_known;
    5191              : 
    5192         6077 :       if (dim_present)
    5193              :         {
    5194         4032 :           int reduction_dim;
    5195         4032 :           if (dim_arg->expr->expr_type == EXPR_CONSTANT)
    5196         4030 :             reduction_dim = mpz_get_si (dim_arg->expr->value.integer) - 1;
    5197            2 :           else if (arrayexpr->rank == 1)
    5198              :             reduction_dim = 0;
    5199              :           else
    5200            0 :             gcc_unreachable ();
    5201         4032 :           reduction_size_known = gfc_array_dimen_size (arrayexpr, reduction_dim,
    5202              :                                                        &asize);
    5203              :         }
    5204              :       else
    5205         2045 :         reduction_size_known = gfc_array_size (arrayexpr, &asize);
    5206              : 
    5207         6077 :       if (reduction_size_known)
    5208              :         {
    5209         4482 :           nonempty = gfc_conv_mpz_to_tree (asize, gfc_index_integer_kind);
    5210         4482 :           mpz_clear (asize);
    5211         4482 :           nonempty = fold_build2_loc (input_location, GT_EXPR,
    5212              :                                       logical_type_node, nonempty,
    5213              :                                       gfc_index_zero_node);
    5214              :         }
    5215         6077 :       maskss = NULL;
    5216              :     }
    5217              : 
    5218         9951 :   limit = gfc_create_var (gfc_typenode_for_spec (&arrayexpr->ts), "limit");
    5219         9951 :   switch (arrayexpr->ts.type)
    5220              :     {
    5221         3898 :     case BT_REAL:
    5222         3898 :       tmp = gfc_build_inf_or_huge (TREE_TYPE (limit), arrayexpr->ts.kind);
    5223         3898 :       break;
    5224              : 
    5225         6029 :     case BT_INTEGER:
    5226         6029 :       n = gfc_validate_kind (arrayexpr->ts.type, arrayexpr->ts.kind, false);
    5227         6029 :       tmp = gfc_conv_mpz_to_tree (gfc_integer_kinds[n].huge,
    5228              :                                   arrayexpr->ts.kind);
    5229         6029 :       break;
    5230              : 
    5231           24 :     case BT_UNSIGNED:
    5232              :       /* For MAXVAL, the minimum is zero, for MINVAL it is HUGE().  */
    5233           24 :       if (op == GT_EXPR)
    5234              :         {
    5235           12 :           tmp = gfc_get_unsigned_type (arrayexpr->ts.kind);
    5236           12 :           tmp = build_int_cst (tmp, 0);
    5237              :         }
    5238              :       else
    5239              :         {
    5240           12 :           n = gfc_validate_kind (arrayexpr->ts.type, arrayexpr->ts.kind, false);
    5241           12 :           tmp = gfc_conv_mpz_unsigned_to_tree (gfc_unsigned_kinds[n].huge,
    5242              :                                                expr->ts.kind);
    5243              :         }
    5244              :       break;
    5245              : 
    5246            0 :     default:
    5247            0 :       gcc_unreachable ();
    5248              :     }
    5249              : 
    5250              :   /* We start with the most negative possible value for MAXLOC, and the most
    5251              :      positive possible value for MINLOC. The most negative possible value is
    5252              :      -HUGE for BT_REAL and (-HUGE - 1) for BT_INTEGER; the most positive
    5253              :      possible value is HUGE in both cases.  BT_UNSIGNED has already been dealt
    5254              :      with above.  */
    5255         9951 :   if (op == GT_EXPR && expr->ts.type != BT_UNSIGNED)
    5256         4724 :     tmp = fold_build1_loc (input_location, NEGATE_EXPR, TREE_TYPE (tmp), tmp);
    5257         4724 :   if (op == GT_EXPR && arrayexpr->ts.type == BT_INTEGER)
    5258         2914 :     tmp = fold_build2_loc (input_location, MINUS_EXPR, TREE_TYPE (tmp), tmp,
    5259         2914 :                            build_int_cst (TREE_TYPE (tmp), 1));
    5260              : 
    5261         9951 :   gfc_add_modify (&se->pre, limit, tmp);
    5262              : 
    5263              :   /* If we are in a case where we generate two sets of loops, the second one
    5264              :      should continue where the first stopped instead of restarting from the
    5265              :      beginning.  So nested loops in the second set should have a partial range
    5266              :      on the first iteration, but they should start from the beginning and span
    5267              :      their full range on the following iterations.  So we use conditionals in
    5268              :      the loops lower bounds, and use the following variable in those
    5269              :      conditionals to decide whether to use the original loop bound or to use
    5270              :      the index at which the loop from the first set stopped.  */
    5271         9951 :   tree second_loop_entry = gfc_create_var (logical_type_node,
    5272              :                                            "second_loop_entry");
    5273         9951 :   gfc_add_modify (&se->pre, second_loop_entry, logical_false_node);
    5274              : 
    5275         9951 :   if (nested_loop)
    5276              :     {
    5277         2796 :       ploop = enter_nested_loop (&nested_se);
    5278         2796 :       orig_ss = nested_se.ss;
    5279         2796 :       ploop->temp_dim = 1;
    5280              :     }
    5281              :   else
    5282              :     {
    5283              :       /* Initialize the scalarizer.  */
    5284         7155 :       gfc_init_loopinfo (&loop);
    5285              : 
    5286              :       /* We add the mask first because the number of iterations is taken
    5287              :          from the last ss, and this breaks if an absent optional argument
    5288              :          is used for mask.  */
    5289              : 
    5290         7155 :       if (maskss)
    5291         2700 :         gfc_add_ss_to_loop (&loop, maskss);
    5292              : 
    5293         7155 :       gfc_add_ss_to_loop (&loop, arrayss);
    5294              : 
    5295              :       /* Initialize the loop.  */
    5296         7155 :       gfc_conv_ss_startstride (&loop);
    5297              : 
    5298              :       /* The code generated can have more than one loop in sequence (see the
    5299              :          comment at the function header).  This doesn't work well with the
    5300              :          scalarizer, which changes arrays' offset when the scalarization loops
    5301              :          are generated (see gfc_trans_preloop_setup).  Fortunately, we can use
    5302              :          the scalarizer temporary code to handle multiple loops.  Thus, we set
    5303              :          temp_dim here, we call gfc_mark_ss_chain_used with flag=3 later, and
    5304              :          we use gfc_trans_scalarized_loop_boundary even later to restore
    5305              :          offset.  */
    5306         7155 :       loop.temp_dim = loop.dimen;
    5307         7155 :       gfc_conv_loop_setup (&loop, &expr->where);
    5308              : 
    5309         7155 :       ploop = &loop;
    5310              :     }
    5311              : 
    5312         9951 :   gcc_assert (reduction_dimensions == ploop->dimen);
    5313              : 
    5314         9951 :   if (nonempty == NULL && !(maskexpr && maskexpr->rank > 0))
    5315              :     {
    5316         1595 :       nonempty = logical_true_node;
    5317              : 
    5318         3697 :       for (int i = 0; i < ploop->dimen; i++)
    5319              :         {
    5320         2102 :           if (!(ploop->from[i] && ploop->to[i]))
    5321              :             {
    5322              :               nonempty = NULL;
    5323              :               break;
    5324              :             }
    5325              : 
    5326         2102 :           tree tmp = fold_build2_loc (input_location, LE_EXPR,
    5327              :                                       logical_type_node, ploop->from[i],
    5328              :                                       ploop->to[i]);
    5329              : 
    5330         2102 :           nonempty = fold_build2_loc (input_location, TRUTH_ANDIF_EXPR,
    5331              :                                       logical_type_node, nonempty, tmp);
    5332              :         }
    5333              :     }
    5334              : 
    5335        11546 :   lab1 = NULL;
    5336        11546 :   lab2 = NULL;
    5337              :   /* Initialize the position to zero, following Fortran 2003.  We are free
    5338              :      to do this because Fortran 95 allows the result of an entirely false
    5339              :      mask to be processor dependent.  If we know at compile time the array
    5340              :      is non-empty and no MASK is used, we can initialize to 1 to simplify
    5341              :      the inner loop.  */
    5342         9951 :   if (nonempty != NULL && !HONOR_NANS (DECL_MODE (limit)))
    5343              :     {
    5344         3748 :       tree init = fold_build3_loc (input_location, COND_EXPR,
    5345              :                                    gfc_array_index_type, nonempty,
    5346              :                                    gfc_index_one_node,
    5347              :                                    gfc_index_zero_node);
    5348         8430 :       for (int i = 0; i < ploop->dimen; i++)
    5349         4682 :         gfc_add_modify (&ploop->pre, pos[i], init);
    5350              :     }
    5351              :   else
    5352              :     {
    5353        13747 :       for (int i = 0; i < ploop->dimen; i++)
    5354         7544 :         gfc_add_modify (&ploop->pre, pos[i], gfc_index_zero_node);
    5355         6203 :       lab1 = gfc_build_label_decl (NULL_TREE);
    5356         6203 :       TREE_USED (lab1) = 1;
    5357         6203 :       lab2 = gfc_build_label_decl (NULL_TREE);
    5358         6203 :       TREE_USED (lab2) = 1;
    5359              :     }
    5360              : 
    5361              :   /* An offset must be added to the loop
    5362              :      counter to obtain the required position.  */
    5363        22177 :   for (int i = 0; i < ploop->dimen; i++)
    5364              :     {
    5365        12226 :       gcc_assert (ploop->from[i]);
    5366              : 
    5367        12226 :       tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
    5368              :                              gfc_index_one_node, ploop->from[i]);
    5369        12226 :       gfc_add_modify (&ploop->pre, offset[i], tmp);
    5370              :     }
    5371              : 
    5372         9951 :   if (!nested_loop)
    5373              :     {
    5374         9965 :       gfc_mark_ss_chain_used (arrayss, lab1 ? 3 : 1);
    5375         7155 :       if (maskss)
    5376         2700 :         gfc_mark_ss_chain_used (maskss, lab1 ? 3 : 1);
    5377              :     }
    5378              : 
    5379              :   /* Generate the loop body.  */
    5380         9951 :   gfc_start_scalarized_body (ploop, &body);
    5381              : 
    5382              :   /* If we have a mask, only check this element if the mask is set.  */
    5383         9951 :   if (maskexpr && maskexpr->rank > 0)
    5384              :     {
    5385         3874 :       gfc_init_se (&maskse, base_se);
    5386         3874 :       gfc_copy_loopinfo_to_se (&maskse, ploop);
    5387         3874 :       if (!nested_loop)
    5388         2700 :         maskse.ss = maskss;
    5389         3874 :       gfc_conv_expr_val (&maskse, maskexpr);
    5390         3874 :       gfc_add_block_to_block (&body, &maskse.pre);
    5391              : 
    5392         3874 :       gfc_start_block (&block);
    5393              :     }
    5394              :   else
    5395         6077 :     gfc_init_block (&block);
    5396              : 
    5397              :   /* Compare with the current limit.  */
    5398         9951 :   gfc_init_se (&arrayse, base_se);
    5399         9951 :   gfc_copy_loopinfo_to_se (&arrayse, ploop);
    5400         9951 :   if (!nested_loop)
    5401         7155 :     arrayse.ss = arrayss;
    5402         9951 :   gfc_conv_expr_val (&arrayse, arrayexpr);
    5403         9951 :   gfc_add_block_to_block (&block, &arrayse.pre);
    5404              : 
    5405              :   /* We do the following if this is a more extreme value.  */
    5406         9951 :   gfc_start_block (&ifblock);
    5407              : 
    5408              :   /* Assign the value to the limit...  */
    5409         9951 :   gfc_add_modify (&ifblock, limit, arrayse.expr);
    5410              : 
    5411         9951 :   if (nonempty == NULL && HONOR_NANS (DECL_MODE (limit)))
    5412              :     {
    5413         1569 :       stmtblock_t ifblock2;
    5414         1569 :       tree ifbody2;
    5415              : 
    5416         1569 :       gfc_start_block (&ifblock2);
    5417         3439 :       for (int i = 0; i < ploop->dimen; i++)
    5418              :         {
    5419         1870 :           tmp = fold_build2_loc (input_location, PLUS_EXPR, TREE_TYPE (pos[i]),
    5420              :                                  ploop->loopvar[i], offset[i]);
    5421         1870 :           gfc_add_modify (&ifblock2, pos[i], tmp);
    5422              :         }
    5423         1569 :       ifbody2 = gfc_finish_block (&ifblock2);
    5424              : 
    5425         1569 :       cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    5426              :                               pos[0], gfc_index_zero_node);
    5427         1569 :       tmp = build3_v (COND_EXPR, cond, ifbody2,
    5428              :                       build_empty_stmt (input_location));
    5429         1569 :       gfc_add_expr_to_block (&block, tmp);
    5430              :     }
    5431              : 
    5432        22177 :   for (int i = 0; i < ploop->dimen; i++)
    5433              :     {
    5434        12226 :       tmp = fold_build2_loc (input_location, PLUS_EXPR, TREE_TYPE (pos[i]),
    5435              :                              ploop->loopvar[i], offset[i]);
    5436        12226 :       gfc_add_modify (&ifblock, pos[i], tmp);
    5437        12226 :       gfc_add_modify (&ifblock, idx[i], ploop->loopvar[i]);
    5438              :     }
    5439              : 
    5440         9951 :   gfc_add_modify (&ifblock, second_loop_entry, logical_true_node);
    5441              : 
    5442         9951 :   if (lab1)
    5443         6203 :     gfc_add_expr_to_block (&ifblock, build1_v (GOTO_EXPR, lab1));
    5444              : 
    5445         9951 :   ifbody = gfc_finish_block (&ifblock);
    5446              : 
    5447         9951 :   if (!lab1 || HONOR_NANS (DECL_MODE (limit)))
    5448              :     {
    5449         7646 :       if (lab1)
    5450         5998 :         cond = fold_build2_loc (input_location,
    5451              :                                 op == GT_EXPR ? GE_EXPR : LE_EXPR,
    5452              :                                 logical_type_node, arrayse.expr, limit);
    5453              :       else
    5454              :         {
    5455         3748 :           tree ifbody2, elsebody2;
    5456              : 
    5457              :           /* We switch to > or >= depending on the value of the BACK argument. */
    5458         3748 :           cond = gfc_create_var (logical_type_node, "cond");
    5459              : 
    5460         3748 :           gfc_start_block (&ifblock);
    5461         5641 :           b_if = fold_build2_loc (input_location, op == GT_EXPR ? GE_EXPR : LE_EXPR,
    5462              :                                   logical_type_node, arrayse.expr, limit);
    5463              : 
    5464         3748 :           gfc_add_modify (&ifblock, cond, b_if);
    5465         3748 :           ifbody2 = gfc_finish_block (&ifblock);
    5466              : 
    5467         3748 :           gfc_start_block (&elseblock);
    5468         3748 :           b_else = fold_build2_loc (input_location, op, logical_type_node,
    5469              :                                     arrayse.expr, limit);
    5470              : 
    5471         3748 :           gfc_add_modify (&elseblock, cond, b_else);
    5472         3748 :           elsebody2 = gfc_finish_block (&elseblock);
    5473              : 
    5474         3748 :           tmp = fold_build3_loc (input_location, COND_EXPR, logical_type_node,
    5475              :                                  back, ifbody2, elsebody2);
    5476              : 
    5477         3748 :           gfc_add_expr_to_block (&block, tmp);
    5478              :         }
    5479              : 
    5480         7646 :       cond = gfc_unlikely (cond, PRED_BUILTIN_EXPECT);
    5481         7646 :       ifbody = build3_v (COND_EXPR, cond, ifbody,
    5482              :                          build_empty_stmt (input_location));
    5483              :     }
    5484         9951 :   gfc_add_expr_to_block (&block, ifbody);
    5485              : 
    5486         9951 :   if (maskexpr && maskexpr->rank > 0)
    5487              :     {
    5488              :       /* We enclose the above in if (mask) {...}.  If the mask is an
    5489              :          optional argument, generate IF (.NOT. PRESENT(MASK)
    5490              :          .OR. MASK(I)). */
    5491              : 
    5492         3874 :       tree ifmask;
    5493         3874 :       ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    5494         3874 :       tmp = gfc_finish_block (&block);
    5495         3874 :       tmp = build3_v (COND_EXPR, ifmask, tmp,
    5496              :                       build_empty_stmt (input_location));
    5497         3874 :     }
    5498              :   else
    5499         6077 :     tmp = gfc_finish_block (&block);
    5500         9951 :   gfc_add_expr_to_block (&body, tmp);
    5501              : 
    5502         9951 :   if (lab1)
    5503              :     {
    5504        13747 :       for (int i = 0; i < ploop->dimen; i++)
    5505         7544 :         ploop->from[i] = fold_build3_loc (input_location, COND_EXPR,
    5506         7544 :                                           TREE_TYPE (ploop->from[i]),
    5507              :                                           second_loop_entry, idx[i],
    5508              :                                           ploop->from[i]);
    5509              : 
    5510         6203 :       gfc_trans_scalarized_loop_boundary (ploop, &body);
    5511              : 
    5512         6203 :       if (nested_loop)
    5513              :         {
    5514              :           /* The first loop already advanced the parent se'ss chain, so clear
    5515              :              the parent now to avoid doing it a second time, making the chain
    5516              :              out of sync.  */
    5517         1858 :           nested_se.parent = nullptr;
    5518         1858 :           nested_se.ss = orig_ss;
    5519              :         }
    5520              : 
    5521         6203 :       stmtblock_t * const outer_block = &ploop->code[ploop->dimen - 1];
    5522              : 
    5523         6203 :       if (HONOR_NANS (DECL_MODE (limit)))
    5524              :         {
    5525         3898 :           if (nonempty != NULL)
    5526              :             {
    5527         2329 :               stmtblock_t init_block;
    5528         2329 :               gfc_init_block (&init_block);
    5529              : 
    5530         5229 :               for (int i = 0; i < ploop->dimen; i++)
    5531         2900 :                 gfc_add_modify (&init_block, pos[i], gfc_index_one_node);
    5532              : 
    5533         2329 :               tree ifbody = gfc_finish_block (&init_block);
    5534         2329 :               tmp = build3_v (COND_EXPR, nonempty, ifbody,
    5535              :                               build_empty_stmt (input_location));
    5536         2329 :               gfc_add_expr_to_block (outer_block, tmp);
    5537              :             }
    5538              :         }
    5539              : 
    5540         6203 :       gfc_add_expr_to_block (outer_block, build1_v (GOTO_EXPR, lab2));
    5541         6203 :       gfc_add_expr_to_block (outer_block, build1_v (LABEL_EXPR, lab1));
    5542              : 
    5543              :       /* If we have a mask, only check this element if the mask is set.  */
    5544         6203 :       if (maskexpr && maskexpr->rank > 0)
    5545              :         {
    5546         3874 :           gfc_init_se (&maskse, base_se);
    5547         3874 :           gfc_copy_loopinfo_to_se (&maskse, ploop);
    5548         3874 :           if (!nested_loop)
    5549         2700 :             maskse.ss = maskss;
    5550         3874 :           gfc_conv_expr_val (&maskse, maskexpr);
    5551         3874 :           gfc_add_block_to_block (&body, &maskse.pre);
    5552              : 
    5553         3874 :           gfc_start_block (&block);
    5554              :         }
    5555              :       else
    5556         2329 :         gfc_init_block (&block);
    5557              : 
    5558              :       /* Compare with the current limit.  */
    5559         6203 :       gfc_init_se (&arrayse, base_se);
    5560         6203 :       gfc_copy_loopinfo_to_se (&arrayse, ploop);
    5561         6203 :       if (!nested_loop)
    5562         4345 :         arrayse.ss = arrayss;
    5563         6203 :       gfc_conv_expr_val (&arrayse, arrayexpr);
    5564         6203 :       gfc_add_block_to_block (&block, &arrayse.pre);
    5565              : 
    5566              :       /* We do the following if this is a more extreme value.  */
    5567         6203 :       gfc_start_block (&ifblock);
    5568              : 
    5569              :       /* Assign the value to the limit...  */
    5570         6203 :       gfc_add_modify (&ifblock, limit, arrayse.expr);
    5571              : 
    5572        13747 :       for (int i = 0; i < ploop->dimen; i++)
    5573              :         {
    5574         7544 :           tmp = fold_build2_loc (input_location, PLUS_EXPR, TREE_TYPE (pos[i]),
    5575              :                                  ploop->loopvar[i], offset[i]);
    5576         7544 :           gfc_add_modify (&ifblock, pos[i], tmp);
    5577              :         }
    5578              : 
    5579         6203 :       ifbody = gfc_finish_block (&ifblock);
    5580              : 
    5581              :       /* We switch to > or >= depending on the value of the BACK argument. */
    5582         6203 :       {
    5583         6203 :         tree ifbody2, elsebody2;
    5584              : 
    5585         6203 :         cond = gfc_create_var (logical_type_node, "cond");
    5586              : 
    5587         6203 :         gfc_start_block (&ifblock);
    5588         9537 :         b_if = fold_build2_loc (input_location, op == GT_EXPR ? GE_EXPR : LE_EXPR,
    5589              :                                 logical_type_node, arrayse.expr, limit);
    5590              : 
    5591         6203 :         gfc_add_modify (&ifblock, cond, b_if);
    5592         6203 :         ifbody2 = gfc_finish_block (&ifblock);
    5593              : 
    5594         6203 :         gfc_start_block (&elseblock);
    5595         6203 :         b_else = fold_build2_loc (input_location, op, logical_type_node,
    5596              :                                   arrayse.expr, limit);
    5597              : 
    5598         6203 :         gfc_add_modify (&elseblock, cond, b_else);
    5599         6203 :         elsebody2 = gfc_finish_block (&elseblock);
    5600              : 
    5601         6203 :         tmp = fold_build3_loc (input_location, COND_EXPR, logical_type_node,
    5602              :                                back, ifbody2, elsebody2);
    5603              :       }
    5604              : 
    5605         6203 :       gfc_add_expr_to_block (&block, tmp);
    5606         6203 :       cond = gfc_unlikely (cond, PRED_BUILTIN_EXPECT);
    5607         6203 :       tmp = build3_v (COND_EXPR, cond, ifbody,
    5608              :                       build_empty_stmt (input_location));
    5609              : 
    5610         6203 :       gfc_add_expr_to_block (&block, tmp);
    5611              : 
    5612         6203 :       if (maskexpr && maskexpr->rank > 0)
    5613              :         {
    5614              :           /* We enclose the above in if (mask) {...}.  If the mask is
    5615              :          an optional argument, generate IF (.NOT. PRESENT(MASK)
    5616              :          .OR. MASK(I)).*/
    5617              : 
    5618         3874 :           tree ifmask;
    5619         3874 :           ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    5620         3874 :           tmp = gfc_finish_block (&block);
    5621         3874 :           tmp = build3_v (COND_EXPR, ifmask, tmp,
    5622              :                           build_empty_stmt (input_location));
    5623         3874 :         }
    5624              :       else
    5625         2329 :         tmp = gfc_finish_block (&block);
    5626              : 
    5627         6203 :       gfc_add_expr_to_block (&body, tmp);
    5628         6203 :       gfc_add_modify (&body, second_loop_entry, logical_false_node);
    5629              :     }
    5630              : 
    5631         9951 :   gfc_trans_scalarizing_loops (ploop, &body);
    5632              : 
    5633         9951 :   if (lab2)
    5634         6203 :     gfc_add_expr_to_block (&ploop->pre, build1_v (LABEL_EXPR, lab2));
    5635              : 
    5636              :   /* For a scalar mask, enclose the loop in an if statement.  */
    5637         9951 :   if (maskexpr && maskexpr->rank == 0)
    5638              :     {
    5639         2644 :       tree ifmask;
    5640              : 
    5641         2644 :       gfc_init_se (&maskse, nested_loop ? se : nullptr);
    5642         2644 :       gfc_conv_expr_val (&maskse, maskexpr);
    5643         2644 :       gfc_add_block_to_block (&se->pre, &maskse.pre);
    5644         2644 :       gfc_init_block (&block);
    5645         2644 :       gfc_add_block_to_block (&block, &ploop->pre);
    5646         2644 :       gfc_add_block_to_block (&block, &ploop->post);
    5647         2644 :       tmp = gfc_finish_block (&block);
    5648              : 
    5649              :       /* For the else part of the scalar mask, just initialize
    5650              :          the pos variable the same way as above.  */
    5651              : 
    5652         2644 :       gfc_init_block (&elseblock);
    5653         5580 :       for (int i = 0; i < ploop->dimen; i++)
    5654         2936 :         gfc_add_modify (&elseblock, pos[i], gfc_index_zero_node);
    5655         2644 :       elsetmp = gfc_finish_block (&elseblock);
    5656         2644 :       ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    5657         2644 :       tmp = build3_v (COND_EXPR, ifmask, tmp, elsetmp);
    5658         2644 :       gfc_add_expr_to_block (&block, tmp);
    5659         2644 :       gfc_add_block_to_block (&se->pre, &block);
    5660         2644 :     }
    5661              :   else
    5662              :     {
    5663         7307 :       gfc_add_block_to_block (&se->pre, &ploop->pre);
    5664         7307 :       gfc_add_block_to_block (&se->pre, &ploop->post);
    5665              :     }
    5666              : 
    5667         9951 :   if (!nested_loop)
    5668         7155 :     gfc_cleanup_loop (&loop);
    5669              : 
    5670         9951 :   if (!dim_present)
    5671              :     {
    5672         8837 :       for (int i = 0; i < arrayexpr->rank; i++)
    5673              :         {
    5674         5556 :           tree res_idx = build_int_cst (gfc_array_index_type, i);
    5675         5556 :           tree res_arr_ref = gfc_build_array_ref (result_var, res_idx,
    5676              :                                                   NULL_TREE, true);
    5677              : 
    5678         5556 :           tree value = convert (type, pos[i]);
    5679         5556 :           gfc_add_modify (&se->pre, res_arr_ref, value);
    5680              :         }
    5681              : 
    5682         3281 :       se->expr = result_var;
    5683              :     }
    5684              :   else
    5685         6670 :     se->expr = convert (type, pos[0]);
    5686              : }
    5687              : 
    5688              : /* Emit code for findloc.  */
    5689              : 
    5690              : static void
    5691         1332 : gfc_conv_intrinsic_findloc (gfc_se *se, gfc_expr *expr)
    5692              : {
    5693         1332 :   gfc_actual_arglist *array_arg, *value_arg, *dim_arg, *mask_arg,
    5694              :     *kind_arg, *back_arg;
    5695         1332 :   gfc_expr *value_expr;
    5696         1332 :   int ikind;
    5697         1332 :   tree resvar;
    5698         1332 :   stmtblock_t block;
    5699         1332 :   stmtblock_t body;
    5700         1332 :   stmtblock_t loopblock;
    5701         1332 :   tree type;
    5702         1332 :   tree tmp;
    5703         1332 :   tree found;
    5704         1332 :   tree forward_branch = NULL_TREE;
    5705         1332 :   tree back_branch;
    5706         1332 :   gfc_loopinfo loop;
    5707         1332 :   gfc_ss *arrayss;
    5708         1332 :   gfc_ss *maskss;
    5709         1332 :   gfc_se arrayse;
    5710         1332 :   gfc_se valuese;
    5711         1332 :   gfc_se maskse;
    5712         1332 :   gfc_se backse;
    5713         1332 :   tree exit_label;
    5714         1332 :   gfc_expr *maskexpr;
    5715         1332 :   tree offset;
    5716         1332 :   int i;
    5717         1332 :   bool optional_mask;
    5718              : 
    5719         1332 :   array_arg = expr->value.function.actual;
    5720         1332 :   value_arg = array_arg->next;
    5721         1332 :   dim_arg   = value_arg->next;
    5722         1332 :   mask_arg  = dim_arg->next;
    5723         1332 :   kind_arg  = mask_arg->next;
    5724         1332 :   back_arg  = kind_arg->next;
    5725              : 
    5726              :   /* Remove kind and set ikind.  */
    5727         1332 :   if (kind_arg->expr)
    5728              :     {
    5729            0 :       ikind = mpz_get_si (kind_arg->expr->value.integer);
    5730            0 :       gfc_free_expr (kind_arg->expr);
    5731            0 :       kind_arg->expr = NULL;
    5732              :     }
    5733              :   else
    5734         1332 :     ikind = gfc_default_integer_kind;
    5735              : 
    5736         1332 :   value_expr = value_arg->expr;
    5737              : 
    5738              :   /* Unless it's a string, pass VALUE by value.  */
    5739         1332 :   if (value_expr->ts.type != BT_CHARACTER)
    5740          732 :     value_arg->name = "%VAL";
    5741              : 
    5742              :   /* Pass BACK argument by value.  */
    5743         1332 :   back_arg->name = "%VAL";
    5744              : 
    5745              :   /* Call the library if we have a character function or if
    5746              :      rank > 0.  */
    5747         1332 :   if (se->ss || array_arg->expr->ts.type == BT_CHARACTER)
    5748              :     {
    5749         1200 :       se->ignore_optional = 1;
    5750         1200 :       if (expr->rank == 0)
    5751              :         {
    5752              :           /* Remove dim argument.  */
    5753           84 :           gfc_free_expr (dim_arg->expr);
    5754           84 :           dim_arg->expr = NULL;
    5755              :         }
    5756         1200 :       gfc_conv_intrinsic_funcall (se, expr);
    5757         1200 :       return;
    5758              :     }
    5759              : 
    5760          132 :   type = gfc_get_int_type (ikind);
    5761              : 
    5762              :   /* Initialize the result.  */
    5763          132 :   resvar = gfc_create_var (gfc_array_index_type, "pos");
    5764          132 :   gfc_add_modify (&se->pre, resvar, build_int_cst (gfc_array_index_type, 0));
    5765          132 :   offset = gfc_create_var (gfc_array_index_type, "offset");
    5766              : 
    5767          132 :   maskexpr = mask_arg->expr;
    5768           72 :   optional_mask = maskexpr && maskexpr->expr_type == EXPR_VARIABLE
    5769           60 :     && maskexpr->symtree->n.sym->attr.dummy
    5770          144 :     && maskexpr->symtree->n.sym->attr.optional;
    5771              : 
    5772              :   /*  Generate two loops, one for BACK=.true. and one for BACK=.false.  */
    5773              : 
    5774          396 :   for (i = 0 ; i < 2; i++)
    5775              :     {
    5776              :       /* Walk the arguments.  */
    5777          264 :       arrayss = gfc_walk_expr (array_arg->expr);
    5778          264 :       gcc_assert (arrayss != gfc_ss_terminator);
    5779              : 
    5780          264 :       if (maskexpr && maskexpr->rank != 0)
    5781              :         {
    5782           84 :           maskss = gfc_walk_expr (maskexpr);
    5783           84 :           gcc_assert (maskss != gfc_ss_terminator);
    5784              :         }
    5785              :       else
    5786              :         maskss = NULL;
    5787              : 
    5788              :       /* Initialize the scalarizer.  */
    5789          264 :       gfc_init_loopinfo (&loop);
    5790          264 :       exit_label = gfc_build_label_decl (NULL_TREE);
    5791          264 :       TREE_USED (exit_label) = 1;
    5792              : 
    5793              :       /* We add the mask first because the number of iterations is
    5794              :          taken from the last ss, and this breaks if an absent
    5795              :          optional argument is used for mask.  */
    5796              : 
    5797          264 :       if (maskss)
    5798           84 :         gfc_add_ss_to_loop (&loop, maskss);
    5799          264 :       gfc_add_ss_to_loop (&loop, arrayss);
    5800              : 
    5801              :       /* Initialize the loop.  */
    5802          264 :       gfc_conv_ss_startstride (&loop);
    5803          264 :       gfc_conv_loop_setup (&loop, &expr->where);
    5804              : 
    5805              :       /* Calculate the offset.  */
    5806          264 :       tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
    5807              :                              gfc_index_one_node, loop.from[0]);
    5808          264 :       gfc_add_modify (&loop.pre, offset, tmp);
    5809              : 
    5810          264 :       gfc_mark_ss_chain_used (arrayss, 1);
    5811          264 :       if (maskss)
    5812           84 :         gfc_mark_ss_chain_used (maskss, 1);
    5813              : 
    5814              :       /* The first loop is for BACK=.true.  */
    5815          264 :       if (i == 0)
    5816          132 :         loop.reverse[0] = GFC_REVERSE_SET;
    5817              : 
    5818              :       /* Generate the loop body.  */
    5819          264 :       gfc_start_scalarized_body (&loop, &body);
    5820              : 
    5821              :       /* If we have an array mask, only add the element if it is
    5822              :          set.  */
    5823          264 :       if (maskss)
    5824              :         {
    5825           84 :           gfc_init_se (&maskse, NULL);
    5826           84 :           gfc_copy_loopinfo_to_se (&maskse, &loop);
    5827           84 :           maskse.ss = maskss;
    5828           84 :           gfc_conv_expr_val (&maskse, maskexpr);
    5829           84 :           gfc_add_block_to_block (&body, &maskse.pre);
    5830              :         }
    5831              : 
    5832              :       /* If the condition matches then set the return value.  */
    5833          264 :       gfc_start_block (&block);
    5834              : 
    5835              :       /* Add the offset.  */
    5836          264 :       tmp = fold_build2_loc (input_location, PLUS_EXPR,
    5837          264 :                              TREE_TYPE (resvar),
    5838              :                              loop.loopvar[0], offset);
    5839          264 :       gfc_add_modify (&block, resvar, tmp);
    5840              :       /* And break out of the loop.  */
    5841          264 :       tmp = build1_v (GOTO_EXPR, exit_label);
    5842          264 :       gfc_add_expr_to_block (&block, tmp);
    5843              : 
    5844          264 :       found = gfc_finish_block (&block);
    5845              : 
    5846              :       /* Check this element.  */
    5847          264 :       gfc_init_se (&arrayse, NULL);
    5848          264 :       gfc_copy_loopinfo_to_se (&arrayse, &loop);
    5849          264 :       arrayse.ss = arrayss;
    5850          264 :       gfc_conv_expr_val (&arrayse, array_arg->expr);
    5851          264 :       gfc_add_block_to_block (&body, &arrayse.pre);
    5852              : 
    5853          264 :       gfc_init_se (&valuese, NULL);
    5854          264 :       gfc_conv_expr_val (&valuese, value_arg->expr);
    5855          264 :       gfc_add_block_to_block (&body, &valuese.pre);
    5856              : 
    5857          264 :       tmp = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    5858              :                              arrayse.expr, valuese.expr);
    5859              : 
    5860          264 :       tmp = build3_v (COND_EXPR, tmp, found, build_empty_stmt (input_location));
    5861          264 :       if (maskss)
    5862              :         {
    5863              :           /* We enclose the above in if (mask) {...}.  If the mask is
    5864              :              an optional argument, generate IF (.NOT. PRESENT(MASK)
    5865              :              .OR. MASK(I)). */
    5866              : 
    5867           84 :           tree ifmask;
    5868           84 :           ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    5869           84 :           tmp = build3_v (COND_EXPR, ifmask, tmp,
    5870              :                           build_empty_stmt (input_location));
    5871              :         }
    5872              : 
    5873          264 :       gfc_add_expr_to_block (&body, tmp);
    5874          264 :       gfc_add_block_to_block (&body, &arrayse.post);
    5875              : 
    5876          264 :       gfc_trans_scalarizing_loops (&loop, &body);
    5877              : 
    5878              :       /* Add the exit label.  */
    5879          264 :       tmp = build1_v (LABEL_EXPR, exit_label);
    5880          264 :       gfc_add_expr_to_block (&loop.pre, tmp);
    5881          264 :       gfc_start_block (&loopblock);
    5882          264 :       gfc_add_block_to_block (&loopblock, &loop.pre);
    5883          264 :       gfc_add_block_to_block (&loopblock, &loop.post);
    5884          264 :       if (i == 0)
    5885          132 :         forward_branch = gfc_finish_block (&loopblock);
    5886              :       else
    5887          132 :         back_branch = gfc_finish_block (&loopblock);
    5888              : 
    5889          264 :       gfc_cleanup_loop (&loop);
    5890              :     }
    5891              : 
    5892              :   /* Enclose the two loops in an IF statement.  */
    5893              : 
    5894          132 :   gfc_init_se (&backse, NULL);
    5895          132 :   gfc_conv_expr_val (&backse, back_arg->expr);
    5896          132 :   gfc_add_block_to_block (&se->pre, &backse.pre);
    5897          132 :   tmp = build3_v (COND_EXPR, backse.expr, forward_branch, back_branch);
    5898              : 
    5899              :   /* For a scalar mask, enclose the loop in an if statement.  */
    5900          132 :   if (maskexpr && maskss == NULL)
    5901              :     {
    5902           30 :       tree ifmask;
    5903           30 :       tree if_stmt;
    5904              : 
    5905           30 :       gfc_init_se (&maskse, NULL);
    5906           30 :       gfc_conv_expr_val (&maskse, maskexpr);
    5907           30 :       gfc_init_block (&block);
    5908           30 :       gfc_add_expr_to_block (&block, maskse.expr);
    5909           30 :       ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    5910           30 :       if_stmt = build3_v (COND_EXPR, ifmask, tmp,
    5911              :                           build_empty_stmt (input_location));
    5912           30 :       gfc_add_expr_to_block (&block, if_stmt);
    5913           30 :       tmp = gfc_finish_block (&block);
    5914              :     }
    5915              : 
    5916          132 :   gfc_add_expr_to_block (&se->pre, tmp);
    5917          132 :   se->expr = convert (type, resvar);
    5918              : 
    5919              : }
    5920              : 
    5921              : /* Emit code for fstat, lstat and stat intrinsic subroutines.  */
    5922              : 
    5923              : static tree
    5924           55 : conv_intrinsic_fstat_lstat_stat_sub (gfc_code *code)
    5925              : {
    5926           55 :   stmtblock_t block;
    5927           55 :   gfc_se se, se_stat;
    5928           55 :   tree unit = NULL_TREE;
    5929           55 :   tree name = NULL_TREE;
    5930           55 :   tree slen = NULL_TREE;
    5931           55 :   tree vals;
    5932           55 :   tree arg3 = NULL_TREE;
    5933           55 :   tree stat = NULL_TREE ;
    5934           55 :   tree present = NULL_TREE;
    5935           55 :   tree tmp;
    5936           55 :   int kind;
    5937              : 
    5938           55 :   gfc_init_block (&block);
    5939           55 :   gfc_init_se (&se, NULL);
    5940              : 
    5941           55 :   switch (code->resolved_isym->id)
    5942              :     {
    5943           21 :     case GFC_ISYM_FSTAT:
    5944              :       /* Deal with the UNIT argument.  */
    5945           21 :       gfc_conv_expr (&se, code->ext.actual->expr);
    5946           21 :       gfc_add_block_to_block (&block, &se.pre);
    5947           21 :       unit = gfc_evaluate_now (se.expr, &block);
    5948           21 :       unit = gfc_build_addr_expr (NULL_TREE, unit);
    5949           21 :       gfc_add_block_to_block (&block, &se.post);
    5950           21 :       break;
    5951              : 
    5952           34 :     case GFC_ISYM_LSTAT:
    5953           34 :     case GFC_ISYM_STAT:
    5954              :       /* Deal with the NAME argument.  */
    5955           34 :       gfc_conv_expr (&se, code->ext.actual->expr);
    5956           34 :       gfc_conv_string_parameter (&se);
    5957           34 :       gfc_add_block_to_block (&block, &se.pre);
    5958           34 :       name = se.expr;
    5959           34 :       slen = se.string_length;
    5960           34 :       gfc_add_block_to_block (&block, &se.post);
    5961           34 :       break;
    5962              : 
    5963            0 :     default:
    5964            0 :       gcc_unreachable ();
    5965              :     }
    5966              : 
    5967              :   /* Deal with the VALUES argument.  */
    5968           55 :   gfc_init_se (&se, NULL);
    5969           55 :   gfc_conv_expr_descriptor (&se, code->ext.actual->next->expr);
    5970           55 :   vals = gfc_build_addr_expr (NULL_TREE, se.expr);
    5971           55 :   gfc_add_block_to_block (&block, &se.pre);
    5972           55 :   gfc_add_block_to_block (&block, &se.post);
    5973           55 :   kind = code->ext.actual->next->expr->ts.kind;
    5974              : 
    5975              :   /* Deal with an optional STATUS.  */
    5976           55 :   if (code->ext.actual->next->next->expr)
    5977              :     {
    5978           45 :       gfc_init_se (&se_stat, NULL);
    5979           45 :       gfc_conv_expr (&se_stat, code->ext.actual->next->next->expr);
    5980           45 :       stat = gfc_create_var (gfc_get_int_type (kind), "_stat");
    5981           45 :       arg3 = gfc_build_addr_expr (NULL_TREE, stat);
    5982              : 
    5983              :       /* Handle case of status being an optional dummy.  */
    5984           45 :       gfc_symbol *sym = code->ext.actual->next->next->expr->symtree->n.sym;
    5985           45 :       if (sym->attr.dummy && sym->attr.optional)
    5986              :         {
    5987            6 :           present = gfc_conv_expr_present (sym);
    5988           12 :           arg3 = fold_build3_loc (input_location, COND_EXPR,
    5989            6 :                                   TREE_TYPE (arg3), present, arg3,
    5990            6 :                                   fold_convert (TREE_TYPE (arg3),
    5991              :                                                 null_pointer_node));
    5992              :         }
    5993              :     }
    5994              : 
    5995              :   /* Call library function depending on KIND of VALUES argument.  */
    5996           55 :   switch (code->resolved_isym->id)
    5997              :     {
    5998           21 :     case GFC_ISYM_FSTAT:
    5999           21 :       tmp = (kind == 4 ? gfor_fndecl_fstat_i4_sub : gfor_fndecl_fstat_i8_sub);
    6000              :       break;
    6001           14 :     case GFC_ISYM_LSTAT:
    6002           14 :       tmp = (kind == 4 ? gfor_fndecl_lstat_i4_sub : gfor_fndecl_lstat_i8_sub);
    6003              :       break;
    6004           20 :     case GFC_ISYM_STAT:
    6005           20 :       tmp = (kind == 4 ? gfor_fndecl_stat_i4_sub : gfor_fndecl_stat_i8_sub);
    6006              :       break;
    6007            0 :     default:
    6008            0 :       gcc_unreachable ();
    6009              :     }
    6010              : 
    6011           55 :   if (code->resolved_isym->id == GFC_ISYM_FSTAT)
    6012           21 :     tmp = build_call_expr_loc (input_location, tmp, 3, unit, vals,
    6013              :                                stat ? arg3 : null_pointer_node);
    6014              :   else
    6015           34 :     tmp = build_call_expr_loc (input_location, tmp, 4, name, vals,
    6016              :                                stat ? arg3 : null_pointer_node, slen);
    6017           55 :   gfc_add_expr_to_block (&block, tmp);
    6018              : 
    6019              :   /* Handle kind conversion of status.  */
    6020           55 :   if (stat && stat != se_stat.expr)
    6021              :     {
    6022           45 :       stmtblock_t block2;
    6023              : 
    6024           45 :       gfc_init_block (&block2);
    6025           45 :       gfc_add_modify (&block2, se_stat.expr,
    6026           45 :                       fold_convert (TREE_TYPE (se_stat.expr), stat));
    6027              : 
    6028           45 :       if (present)
    6029              :         {
    6030            6 :           tmp = build3_v (COND_EXPR, present, gfc_finish_block (&block2),
    6031              :                           build_empty_stmt (input_location));
    6032            6 :           gfc_add_expr_to_block (&block, tmp);
    6033              :         }
    6034              :       else
    6035           39 :         gfc_add_block_to_block (&block, &block2);
    6036              :     }
    6037              : 
    6038           55 :   return gfc_finish_block (&block);
    6039              : }
    6040              : 
    6041              : /* Emit code for minval or maxval intrinsic.  There are many different cases
    6042              :    we need to handle.  For performance reasons we sometimes create two
    6043              :    loops instead of one, where the second one is much simpler.
    6044              :    Examples for minval intrinsic:
    6045              :    1) Result is an array, a call is generated
    6046              :    2) Array mask is used and NaNs need to be supported, rank 1:
    6047              :       limit = Infinity;
    6048              :       nonempty = false;
    6049              :       S = from;
    6050              :       while (S <= to) {
    6051              :         if (mask[S]) {
    6052              :           nonempty = true;
    6053              :           if (a[S] <= limit) {
    6054              :             limit = a[S];
    6055              :             S++;
    6056              :             goto lab;
    6057              :           }
    6058              :         else
    6059              :           S++;
    6060              :         }
    6061              :       }
    6062              :       limit = nonempty ? NaN : huge (limit);
    6063              :       lab:
    6064              :       while (S <= to) { if(mask[S]) limit = min (a[S], limit); S++; }
    6065              :    3) NaNs need to be supported, but it is known at compile time or cheaply
    6066              :       at runtime whether array is nonempty or not, rank 1:
    6067              :       limit = Infinity;
    6068              :       S = from;
    6069              :       while (S <= to) {
    6070              :         if (a[S] <= limit) {
    6071              :           limit = a[S];
    6072              :           S++;
    6073              :           goto lab;
    6074              :           }
    6075              :         else
    6076              :           S++;
    6077              :       }
    6078              :       limit = (from <= to) ? NaN : huge (limit);
    6079              :       lab:
    6080              :       while (S <= to) { limit = min (a[S], limit); S++; }
    6081              :    4) Array mask is used and NaNs need to be supported, rank > 1:
    6082              :       limit = Infinity;
    6083              :       nonempty = false;
    6084              :       fast = false;
    6085              :       S1 = from1;
    6086              :       while (S1 <= to1) {
    6087              :         S2 = from2;
    6088              :         while (S2 <= to2) {
    6089              :           if (mask[S1][S2]) {
    6090              :             if (fast) limit = min (a[S1][S2], limit);
    6091              :             else {
    6092              :               nonempty = true;
    6093              :               if (a[S1][S2] <= limit) {
    6094              :                 limit = a[S1][S2];
    6095              :                 fast = true;
    6096              :               }
    6097              :             }
    6098              :           }
    6099              :           S2++;
    6100              :         }
    6101              :         S1++;
    6102              :       }
    6103              :       if (!fast)
    6104              :         limit = nonempty ? NaN : huge (limit);
    6105              :    5) NaNs need to be supported, but it is known at compile time or cheaply
    6106              :       at runtime whether array is nonempty or not, rank > 1:
    6107              :       limit = Infinity;
    6108              :       fast = false;
    6109              :       S1 = from1;
    6110              :       while (S1 <= to1) {
    6111              :         S2 = from2;
    6112              :         while (S2 <= to2) {
    6113              :           if (fast) limit = min (a[S1][S2], limit);
    6114              :           else {
    6115              :             if (a[S1][S2] <= limit) {
    6116              :               limit = a[S1][S2];
    6117              :               fast = true;
    6118              :             }
    6119              :           }
    6120              :           S2++;
    6121              :         }
    6122              :         S1++;
    6123              :       }
    6124              :       if (!fast)
    6125              :         limit = (nonempty_array) ? NaN : huge (limit);
    6126              :    6) NaNs aren't supported, but infinities are.  Array mask is used:
    6127              :       limit = Infinity;
    6128              :       nonempty = false;
    6129              :       S = from;
    6130              :       while (S <= to) {
    6131              :         if (mask[S]) { nonempty = true; limit = min (a[S], limit); }
    6132              :         S++;
    6133              :       }
    6134              :       limit = nonempty ? limit : huge (limit);
    6135              :    7) Same without array mask:
    6136              :       limit = Infinity;
    6137              :       S = from;
    6138              :       while (S <= to) { limit = min (a[S], limit); S++; }
    6139              :       limit = (from <= to) ? limit : huge (limit);
    6140              :    8) Neither NaNs nor infinities are supported (-ffast-math or BT_INTEGER):
    6141              :       limit = huge (limit);
    6142              :       S = from;
    6143              :       while (S <= to) { limit = min (a[S], limit); S++); }
    6144              :       (or
    6145              :       while (S <= to) { if (mask[S]) limit = min (a[S], limit); S++; }
    6146              :       with array mask instead).
    6147              :    For 3), 5), 7) and 8), if mask is scalar, this all goes into a conditional,
    6148              :    setting limit = huge (limit); in the else branch.  */
    6149              : 
    6150              : static void
    6151         2417 : gfc_conv_intrinsic_minmaxval (gfc_se * se, gfc_expr * expr, enum tree_code op)
    6152              : {
    6153         2417 :   tree limit;
    6154         2417 :   tree type;
    6155         2417 :   tree tmp;
    6156         2417 :   tree ifbody;
    6157         2417 :   tree nonempty;
    6158         2417 :   tree nonempty_var;
    6159         2417 :   tree lab;
    6160         2417 :   tree fast;
    6161         2417 :   tree huge_cst = NULL, nan_cst = NULL;
    6162         2417 :   stmtblock_t body;
    6163         2417 :   stmtblock_t block, block2;
    6164         2417 :   gfc_loopinfo loop;
    6165         2417 :   gfc_actual_arglist *actual;
    6166         2417 :   gfc_ss *arrayss;
    6167         2417 :   gfc_ss *maskss;
    6168         2417 :   gfc_se arrayse;
    6169         2417 :   gfc_se maskse;
    6170         2417 :   gfc_expr *arrayexpr;
    6171         2417 :   gfc_expr *maskexpr;
    6172         2417 :   int n;
    6173         2417 :   bool optional_mask;
    6174              : 
    6175         2417 :   if (se->ss)
    6176              :     {
    6177            0 :       gfc_conv_intrinsic_funcall (se, expr);
    6178          186 :       return;
    6179              :     }
    6180              : 
    6181         2417 :   actual = expr->value.function.actual;
    6182         2417 :   arrayexpr = actual->expr;
    6183              : 
    6184         2417 :   if (arrayexpr->ts.type == BT_CHARACTER)
    6185              :     {
    6186          186 :       gfc_actual_arglist *dim = actual->next;
    6187          186 :       if (expr->rank == 0 && dim->expr != 0)
    6188              :         {
    6189            6 :           gfc_free_expr (dim->expr);
    6190            6 :           dim->expr = NULL;
    6191              :         }
    6192          186 :       gfc_conv_intrinsic_funcall (se, expr);
    6193          186 :       return;
    6194              :     }
    6195              : 
    6196         2231 :   type = gfc_typenode_for_spec (&expr->ts);
    6197              :   /* Initialize the result.  */
    6198         2231 :   limit = gfc_create_var (type, "limit");
    6199         2231 :   n = gfc_validate_kind (expr->ts.type, expr->ts.kind, false);
    6200         2231 :   switch (expr->ts.type)
    6201              :     {
    6202         1245 :     case BT_REAL:
    6203         1245 :       huge_cst = gfc_conv_mpfr_to_tree (gfc_real_kinds[n].huge,
    6204              :                                         expr->ts.kind, 0);
    6205         1245 :       if (HONOR_INFINITIES (DECL_MODE (limit)))
    6206              :         {
    6207         1241 :           REAL_VALUE_TYPE real;
    6208         1241 :           real_inf (&real);
    6209         1241 :           tmp = build_real (type, real);
    6210              :         }
    6211              :       else
    6212              :         tmp = huge_cst;
    6213         1245 :       if (HONOR_NANS (DECL_MODE (limit)))
    6214         1241 :         nan_cst = gfc_build_nan (type, "");
    6215              :       break;
    6216              : 
    6217          956 :     case BT_INTEGER:
    6218          956 :       tmp = gfc_conv_mpz_to_tree (gfc_integer_kinds[n].huge, expr->ts.kind);
    6219          956 :       break;
    6220              : 
    6221           30 :     case BT_UNSIGNED:
    6222              :       /* For MAXVAL, the minimum is zero, for MINVAL it is HUGE().  */
    6223           30 :       if (op == GT_EXPR)
    6224           18 :         tmp = build_int_cst (type, 0);
    6225              :       else
    6226           12 :         tmp = gfc_conv_mpz_unsigned_to_tree (gfc_unsigned_kinds[n].huge,
    6227              :                                              expr->ts.kind);
    6228              :       break;
    6229              : 
    6230            0 :     default:
    6231            0 :       gcc_unreachable ();
    6232              :     }
    6233              : 
    6234              :   /* We start with the most negative possible value for MAXVAL, and the most
    6235              :      positive possible value for MINVAL. The most negative possible value is
    6236              :      -HUGE for BT_REAL and (-HUGE - 1) for BT_INTEGER; the most positive
    6237              :      possible value is HUGE in both cases.   BT_UNSIGNED has already been dealt
    6238              :      with above.  */
    6239         2231 :   if (op == GT_EXPR && expr->ts.type != BT_UNSIGNED)
    6240              :     {
    6241          987 :       tmp = fold_build1_loc (input_location, NEGATE_EXPR, TREE_TYPE (tmp), tmp);
    6242          987 :       if (huge_cst)
    6243          560 :         huge_cst = fold_build1_loc (input_location, NEGATE_EXPR,
    6244          560 :                                     TREE_TYPE (huge_cst), huge_cst);
    6245              :     }
    6246              : 
    6247         1005 :   if (op == GT_EXPR && expr->ts.type == BT_INTEGER)
    6248          427 :     tmp = fold_build2_loc (input_location, MINUS_EXPR, TREE_TYPE (tmp),
    6249              :                            tmp, build_int_cst (type, 1));
    6250              : 
    6251         2231 :   gfc_add_modify (&se->pre, limit, tmp);
    6252              : 
    6253              :   /* Walk the arguments.  */
    6254         2231 :   arrayss = gfc_walk_expr (arrayexpr);
    6255         2231 :   gcc_assert (arrayss != gfc_ss_terminator);
    6256              : 
    6257         2231 :   actual = actual->next->next;
    6258         2231 :   gcc_assert (actual);
    6259         2231 :   maskexpr = actual->expr;
    6260         1572 :   optional_mask = maskexpr && maskexpr->expr_type == EXPR_VARIABLE
    6261         1560 :     && maskexpr->symtree->n.sym->attr.dummy
    6262         2243 :     && maskexpr->symtree->n.sym->attr.optional;
    6263         1560 :   nonempty = NULL;
    6264         1572 :   if (maskexpr && maskexpr->rank != 0)
    6265              :     {
    6266         1026 :       maskss = gfc_walk_expr (maskexpr);
    6267         1026 :       gcc_assert (maskss != gfc_ss_terminator);
    6268              :     }
    6269              :   else
    6270              :     {
    6271         1205 :       mpz_t asize;
    6272         1205 :       if (gfc_array_size (arrayexpr, &asize))
    6273              :         {
    6274          678 :           nonempty = gfc_conv_mpz_to_tree (asize, gfc_index_integer_kind);
    6275          678 :           mpz_clear (asize);
    6276          678 :           nonempty = fold_build2_loc (input_location, GT_EXPR,
    6277              :                                       logical_type_node, nonempty,
    6278              :                                       gfc_index_zero_node);
    6279              :         }
    6280         1205 :       maskss = NULL;
    6281              :     }
    6282              : 
    6283              :   /* Initialize the scalarizer.  */
    6284         2231 :   gfc_init_loopinfo (&loop);
    6285              : 
    6286              :   /* We add the mask first because the number of iterations is taken
    6287              :      from the last ss, and this breaks if an absent optional argument
    6288              :      is used for mask.  */
    6289              : 
    6290         2231 :   if (maskss)
    6291         1026 :     gfc_add_ss_to_loop (&loop, maskss);
    6292         2231 :   gfc_add_ss_to_loop (&loop, arrayss);
    6293              : 
    6294              :   /* Initialize the loop.  */
    6295         2231 :   gfc_conv_ss_startstride (&loop);
    6296              : 
    6297              :   /* The code generated can have more than one loop in sequence (see the
    6298              :      comment at the function header).  This doesn't work well with the
    6299              :      scalarizer, which changes arrays' offset when the scalarization loops
    6300              :      are generated (see gfc_trans_preloop_setup).  Fortunately, {min,max}val
    6301              :      are  currently inlined in the scalar case only.  As there is no dependency
    6302              :      to care about in that case, there is no temporary, so that we can use the
    6303              :      scalarizer temporary code to handle multiple loops.  Thus, we set temp_dim
    6304              :      here, we call gfc_mark_ss_chain_used with flag=3 later, and we use
    6305              :      gfc_trans_scalarized_loop_boundary even later to restore offset.
    6306              :      TODO: this prevents inlining of rank > 0 minmaxval calls, so this
    6307              :      should eventually go away.  We could either create two loops properly,
    6308              :      or find another way to save/restore the array offsets between the two
    6309              :      loops (without conflicting with temporary management), or use a single
    6310              :      loop minmaxval implementation.  See PR 31067.  */
    6311         2231 :   loop.temp_dim = loop.dimen;
    6312         2231 :   gfc_conv_loop_setup (&loop, &expr->where);
    6313              : 
    6314         2231 :   if (nonempty == NULL && maskss == NULL
    6315          527 :       && loop.dimen == 1 && loop.from[0] && loop.to[0])
    6316          491 :     nonempty = fold_build2_loc (input_location, LE_EXPR, logical_type_node,
    6317              :                                 loop.from[0], loop.to[0]);
    6318         2231 :   nonempty_var = NULL;
    6319         2231 :   if (nonempty == NULL
    6320         2231 :       && (HONOR_INFINITIES (DECL_MODE (limit))
    6321          480 :           || HONOR_NANS (DECL_MODE (limit))))
    6322              :     {
    6323          582 :       nonempty_var = gfc_create_var (logical_type_node, "nonempty");
    6324          582 :       gfc_add_modify (&se->pre, nonempty_var, logical_false_node);
    6325          582 :       nonempty = nonempty_var;
    6326              :     }
    6327         2231 :   lab = NULL;
    6328         2231 :   fast = NULL;
    6329         2231 :   if (HONOR_NANS (DECL_MODE (limit)))
    6330              :     {
    6331         1241 :       if (loop.dimen == 1)
    6332              :         {
    6333          821 :           lab = gfc_build_label_decl (NULL_TREE);
    6334          821 :           TREE_USED (lab) = 1;
    6335              :         }
    6336              :       else
    6337              :         {
    6338          420 :           fast = gfc_create_var (logical_type_node, "fast");
    6339          420 :           gfc_add_modify (&se->pre, fast, logical_false_node);
    6340              :         }
    6341              :     }
    6342              : 
    6343         2231 :   gfc_mark_ss_chain_used (arrayss, lab ? 3 : 1);
    6344         2231 :   if (maskss)
    6345         1704 :     gfc_mark_ss_chain_used (maskss, lab ? 3 : 1);
    6346              :   /* Generate the loop body.  */
    6347         2231 :   gfc_start_scalarized_body (&loop, &body);
    6348              : 
    6349              :   /* If we have a mask, only add this element if the mask is set.  */
    6350         2231 :   if (maskss)
    6351              :     {
    6352         1026 :       gfc_init_se (&maskse, NULL);
    6353         1026 :       gfc_copy_loopinfo_to_se (&maskse, &loop);
    6354         1026 :       maskse.ss = maskss;
    6355         1026 :       gfc_conv_expr_val (&maskse, maskexpr);
    6356         1026 :       gfc_add_block_to_block (&body, &maskse.pre);
    6357              : 
    6358         1026 :       gfc_start_block (&block);
    6359              :     }
    6360              :   else
    6361         1205 :     gfc_init_block (&block);
    6362              : 
    6363              :   /* Compare with the current limit.  */
    6364         2231 :   gfc_init_se (&arrayse, NULL);
    6365         2231 :   gfc_copy_loopinfo_to_se (&arrayse, &loop);
    6366         2231 :   arrayse.ss = arrayss;
    6367         2231 :   gfc_conv_expr_val (&arrayse, arrayexpr);
    6368         2231 :   arrayse.expr = gfc_evaluate_now (arrayse.expr, &arrayse.pre);
    6369         2231 :   gfc_add_block_to_block (&block, &arrayse.pre);
    6370              : 
    6371         2231 :   gfc_init_block (&block2);
    6372              : 
    6373         2231 :   if (nonempty_var)
    6374          582 :     gfc_add_modify (&block2, nonempty_var, logical_true_node);
    6375              : 
    6376         2231 :   if (HONOR_NANS (DECL_MODE (limit)))
    6377              :     {
    6378         1922 :       tmp = fold_build2_loc (input_location, op == GT_EXPR ? GE_EXPR : LE_EXPR,
    6379              :                              logical_type_node, arrayse.expr, limit);
    6380         1241 :       if (lab)
    6381              :         {
    6382          821 :           stmtblock_t ifblock;
    6383          821 :           tree inc_loop;
    6384          821 :           inc_loop = fold_build2_loc (input_location, PLUS_EXPR,
    6385          821 :                                       TREE_TYPE (loop.loopvar[0]),
    6386              :                                       loop.loopvar[0], gfc_index_one_node);
    6387          821 :           gfc_init_block (&ifblock);
    6388          821 :           gfc_add_modify (&ifblock, limit, arrayse.expr);
    6389          821 :           gfc_add_modify (&ifblock, loop.loopvar[0], inc_loop);
    6390          821 :           gfc_add_expr_to_block (&ifblock, build1_v (GOTO_EXPR, lab));
    6391          821 :           ifbody = gfc_finish_block (&ifblock);
    6392              :         }
    6393              :       else
    6394              :         {
    6395          420 :           stmtblock_t ifblock;
    6396              : 
    6397          420 :           gfc_init_block (&ifblock);
    6398          420 :           gfc_add_modify (&ifblock, limit, arrayse.expr);
    6399          420 :           gfc_add_modify (&ifblock, fast, logical_true_node);
    6400          420 :           ifbody = gfc_finish_block (&ifblock);
    6401              :         }
    6402         1241 :       tmp = build3_v (COND_EXPR, tmp, ifbody,
    6403              :                       build_empty_stmt (input_location));
    6404         1241 :       gfc_add_expr_to_block (&block2, tmp);
    6405              :     }
    6406              :   else
    6407              :     {
    6408              :       /* MIN_EXPR/MAX_EXPR has unspecified behavior with NaNs or
    6409              :          signed zeros.  */
    6410         1535 :       tmp = fold_build2_loc (input_location,
    6411              :                              op == GT_EXPR ? MAX_EXPR : MIN_EXPR,
    6412              :                              type, arrayse.expr, limit);
    6413          990 :       gfc_add_modify (&block2, limit, tmp);
    6414              :     }
    6415              : 
    6416         2231 :   if (fast)
    6417              :     {
    6418          420 :       tree elsebody = gfc_finish_block (&block2);
    6419              : 
    6420              :       /* MIN_EXPR/MAX_EXPR has unspecified behavior with NaNs or
    6421              :          signed zeros.  */
    6422          420 :       if (HONOR_NANS (DECL_MODE (limit)))
    6423              :         {
    6424          420 :           tmp = fold_build2_loc (input_location, op, logical_type_node,
    6425              :                                  arrayse.expr, limit);
    6426          420 :           ifbody = build2_v (MODIFY_EXPR, limit, arrayse.expr);
    6427          420 :           ifbody = build3_v (COND_EXPR, tmp, ifbody,
    6428              :                              build_empty_stmt (input_location));
    6429              :         }
    6430              :       else
    6431              :         {
    6432            0 :           tmp = fold_build2_loc (input_location,
    6433              :                                  op == GT_EXPR ? MAX_EXPR : MIN_EXPR,
    6434              :                                  type, arrayse.expr, limit);
    6435            0 :           ifbody = build2_v (MODIFY_EXPR, limit, tmp);
    6436              :         }
    6437          420 :       tmp = build3_v (COND_EXPR, fast, ifbody, elsebody);
    6438          420 :       gfc_add_expr_to_block (&block, tmp);
    6439              :     }
    6440              :   else
    6441         1811 :     gfc_add_block_to_block (&block, &block2);
    6442              : 
    6443         2231 :   gfc_add_block_to_block (&block, &arrayse.post);
    6444              : 
    6445         2231 :   tmp = gfc_finish_block (&block);
    6446         2231 :   if (maskss)
    6447              :     {
    6448              :       /* We enclose the above in if (mask) {...}.  If the mask is an
    6449              :          optional argument, generate IF (.NOT. PRESENT(MASK)
    6450              :          .OR. MASK(I)).  */
    6451         1026 :       tree ifmask;
    6452         1026 :       ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    6453         1026 :       tmp = build3_v (COND_EXPR, ifmask, tmp,
    6454              :                       build_empty_stmt (input_location));
    6455              :     }
    6456         2231 :   gfc_add_expr_to_block (&body, tmp);
    6457              : 
    6458         2231 :   if (lab)
    6459              :     {
    6460          821 :       gfc_trans_scalarized_loop_boundary (&loop, &body);
    6461              : 
    6462          821 :       tmp = fold_build3_loc (input_location, COND_EXPR, type, nonempty,
    6463              :                              nan_cst, huge_cst);
    6464          821 :       gfc_add_modify (&loop.code[0], limit, tmp);
    6465          821 :       gfc_add_expr_to_block (&loop.code[0], build1_v (LABEL_EXPR, lab));
    6466              : 
    6467              :       /* If we have a mask, only add this element if the mask is set.  */
    6468          821 :       if (maskss)
    6469              :         {
    6470          348 :           gfc_init_se (&maskse, NULL);
    6471          348 :           gfc_copy_loopinfo_to_se (&maskse, &loop);
    6472          348 :           maskse.ss = maskss;
    6473          348 :           gfc_conv_expr_val (&maskse, maskexpr);
    6474          348 :           gfc_add_block_to_block (&body, &maskse.pre);
    6475              : 
    6476          348 :           gfc_start_block (&block);
    6477              :         }
    6478              :       else
    6479          473 :         gfc_init_block (&block);
    6480              : 
    6481              :       /* Compare with the current limit.  */
    6482          821 :       gfc_init_se (&arrayse, NULL);
    6483          821 :       gfc_copy_loopinfo_to_se (&arrayse, &loop);
    6484          821 :       arrayse.ss = arrayss;
    6485          821 :       gfc_conv_expr_val (&arrayse, arrayexpr);
    6486          821 :       arrayse.expr = gfc_evaluate_now (arrayse.expr, &arrayse.pre);
    6487          821 :       gfc_add_block_to_block (&block, &arrayse.pre);
    6488              : 
    6489              :       /* MIN_EXPR/MAX_EXPR has unspecified behavior with NaNs or
    6490              :          signed zeros.  */
    6491          821 :       if (HONOR_NANS (DECL_MODE (limit)))
    6492              :         {
    6493          821 :           tmp = fold_build2_loc (input_location, op, logical_type_node,
    6494              :                                  arrayse.expr, limit);
    6495          821 :           ifbody = build2_v (MODIFY_EXPR, limit, arrayse.expr);
    6496          821 :           tmp = build3_v (COND_EXPR, tmp, ifbody,
    6497              :                           build_empty_stmt (input_location));
    6498          821 :           gfc_add_expr_to_block (&block, tmp);
    6499              :         }
    6500              :       else
    6501              :         {
    6502            0 :           tmp = fold_build2_loc (input_location,
    6503              :                                  op == GT_EXPR ? MAX_EXPR : MIN_EXPR,
    6504              :                                  type, arrayse.expr, limit);
    6505            0 :           gfc_add_modify (&block, limit, tmp);
    6506              :         }
    6507              : 
    6508          821 :       gfc_add_block_to_block (&block, &arrayse.post);
    6509              : 
    6510          821 :       tmp = gfc_finish_block (&block);
    6511          821 :       if (maskss)
    6512              :         /* We enclose the above in if (mask) {...}.  */
    6513              :         {
    6514          348 :           tree ifmask;
    6515          348 :           ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    6516          348 :           tmp = build3_v (COND_EXPR, ifmask, tmp,
    6517              :                           build_empty_stmt (input_location));
    6518              :         }
    6519              : 
    6520          821 :       gfc_add_expr_to_block (&body, tmp);
    6521              :       /* Avoid initializing loopvar[0] again, it should be left where
    6522              :          it finished by the first loop.  */
    6523          821 :       loop.from[0] = loop.loopvar[0];
    6524              :     }
    6525         2231 :   gfc_trans_scalarizing_loops (&loop, &body);
    6526              : 
    6527         2231 :   if (fast)
    6528              :     {
    6529          420 :       tmp = fold_build3_loc (input_location, COND_EXPR, type, nonempty,
    6530              :                              nan_cst, huge_cst);
    6531          420 :       ifbody = build2_v (MODIFY_EXPR, limit, tmp);
    6532          420 :       tmp = build3_v (COND_EXPR, fast, build_empty_stmt (input_location),
    6533              :                       ifbody);
    6534          420 :       gfc_add_expr_to_block (&loop.pre, tmp);
    6535              :     }
    6536         1811 :   else if (HONOR_INFINITIES (DECL_MODE (limit)) && !lab)
    6537              :     {
    6538            0 :       tmp = fold_build3_loc (input_location, COND_EXPR, type, nonempty, limit,
    6539              :                              huge_cst);
    6540            0 :       gfc_add_modify (&loop.pre, limit, tmp);
    6541              :     }
    6542              : 
    6543              :   /* For a scalar mask, enclose the loop in an if statement.  */
    6544         2231 :   if (maskexpr && maskss == NULL)
    6545              :     {
    6546          546 :       tree else_stmt;
    6547          546 :       tree ifmask;
    6548              : 
    6549          546 :       gfc_init_se (&maskse, NULL);
    6550          546 :       gfc_conv_expr_val (&maskse, maskexpr);
    6551          546 :       gfc_init_block (&block);
    6552          546 :       gfc_add_block_to_block (&block, &loop.pre);
    6553          546 :       gfc_add_block_to_block (&block, &loop.post);
    6554          546 :       tmp = gfc_finish_block (&block);
    6555              : 
    6556          546 :       if (HONOR_INFINITIES (DECL_MODE (limit)))
    6557          354 :         else_stmt = build2_v (MODIFY_EXPR, limit, huge_cst);
    6558              :       else
    6559          192 :         else_stmt = build_empty_stmt (input_location);
    6560              : 
    6561          546 :       ifmask = conv_mask_condition (&maskse, maskexpr, optional_mask);
    6562          546 :       tmp = build3_v (COND_EXPR, ifmask, tmp, else_stmt);
    6563          546 :       gfc_add_expr_to_block (&block, tmp);
    6564          546 :       gfc_add_block_to_block (&se->pre, &block);
    6565              :     }
    6566              :   else
    6567              :     {
    6568         1685 :       gfc_add_block_to_block (&se->pre, &loop.pre);
    6569         1685 :       gfc_add_block_to_block (&se->pre, &loop.post);
    6570              :     }
    6571              : 
    6572         2231 :   gfc_cleanup_loop (&loop);
    6573              : 
    6574         2231 :   se->expr = limit;
    6575              : }
    6576              : 
    6577              : /* BTEST (i, pos) = (i & (1 << pos)) != 0.  */
    6578              : static void
    6579          145 : gfc_conv_intrinsic_btest (gfc_se * se, gfc_expr * expr)
    6580              : {
    6581          145 :   tree args[2];
    6582          145 :   tree type;
    6583          145 :   tree tmp;
    6584              : 
    6585          145 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    6586          145 :   type = TREE_TYPE (args[0]);
    6587              : 
    6588              :   /* Optionally generate code for runtime argument check.  */
    6589          145 :   if (gfc_option.rtcheck & GFC_RTCHECK_BITS)
    6590              :     {
    6591            6 :       tree below = fold_build2_loc (input_location, LT_EXPR,
    6592              :                                     logical_type_node, args[1],
    6593            6 :                                     build_int_cst (TREE_TYPE (args[1]), 0));
    6594            6 :       tree nbits = build_int_cst (TREE_TYPE (args[1]), TYPE_PRECISION (type));
    6595            6 :       tree above = fold_build2_loc (input_location, GE_EXPR,
    6596              :                                     logical_type_node, args[1], nbits);
    6597            6 :       tree scond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    6598              :                                     logical_type_node, below, above);
    6599            6 :       gfc_trans_runtime_check (true, false, scond, &se->pre, &expr->where,
    6600              :                                "POS argument (%ld) out of range 0:%ld "
    6601              :                                "in intrinsic BTEST",
    6602              :                                fold_convert (long_integer_type_node, args[1]),
    6603              :                                fold_convert (long_integer_type_node, nbits));
    6604              :     }
    6605              : 
    6606          145 :   tmp = fold_build2_loc (input_location, LSHIFT_EXPR, type,
    6607              :                          build_int_cst (type, 1), args[1]);
    6608          145 :   tmp = fold_build2_loc (input_location, BIT_AND_EXPR, type, args[0], tmp);
    6609          145 :   tmp = fold_build2_loc (input_location, NE_EXPR, logical_type_node, tmp,
    6610              :                          build_int_cst (type, 0));
    6611          145 :   type = gfc_typenode_for_spec (&expr->ts);
    6612          145 :   se->expr = convert (type, tmp);
    6613          145 : }
    6614              : 
    6615              : 
    6616              : /* Generate code for BGE, BGT, BLE and BLT intrinsics.  */
    6617              : static void
    6618          216 : gfc_conv_intrinsic_bitcomp (gfc_se * se, gfc_expr * expr, enum tree_code op)
    6619              : {
    6620          216 :   tree args[2];
    6621              : 
    6622          216 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    6623              : 
    6624              :   /* Convert both arguments to the unsigned type of the same size.  */
    6625          216 :   args[0] = fold_convert (unsigned_type_for (TREE_TYPE (args[0])), args[0]);
    6626          216 :   args[1] = fold_convert (unsigned_type_for (TREE_TYPE (args[1])), args[1]);
    6627              : 
    6628              :   /* If they have unequal type size, convert to the larger one.  */
    6629          216 :   if (TYPE_PRECISION (TREE_TYPE (args[0]))
    6630          216 :       > TYPE_PRECISION (TREE_TYPE (args[1])))
    6631            0 :     args[1] = fold_convert (TREE_TYPE (args[0]), args[1]);
    6632          216 :   else if (TYPE_PRECISION (TREE_TYPE (args[1]))
    6633          216 :            > TYPE_PRECISION (TREE_TYPE (args[0])))
    6634            0 :     args[0] = fold_convert (TREE_TYPE (args[1]), args[0]);
    6635              : 
    6636              :   /* Now, we compare them.  */
    6637          216 :   se->expr = fold_build2_loc (input_location, op, logical_type_node,
    6638              :                               args[0], args[1]);
    6639          216 : }
    6640              : 
    6641              : 
    6642              : /* Generate code to perform the specified operation.  */
    6643              : static void
    6644         1915 : gfc_conv_intrinsic_bitop (gfc_se * se, gfc_expr * expr, enum tree_code op)
    6645              : {
    6646         1915 :   tree args[2];
    6647              : 
    6648         1915 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    6649         1915 :   se->expr = fold_build2_loc (input_location, op, TREE_TYPE (args[0]),
    6650              :                               args[0], args[1]);
    6651         1915 : }
    6652              : 
    6653              : /* Bitwise not.  */
    6654              : static void
    6655          230 : gfc_conv_intrinsic_not (gfc_se * se, gfc_expr * expr)
    6656              : {
    6657          230 :   tree arg;
    6658              : 
    6659          230 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    6660          230 :   se->expr = fold_build1_loc (input_location, BIT_NOT_EXPR,
    6661          230 :                               TREE_TYPE (arg), arg);
    6662          230 : }
    6663              : 
    6664              : 
    6665              : /* Generate code for OUT_OF_RANGE.  */
    6666              : static void
    6667          468 : gfc_conv_intrinsic_out_of_range (gfc_se * se, gfc_expr * expr)
    6668              : {
    6669          468 :   tree *args;
    6670          468 :   tree type;
    6671          468 :   tree tmp = NULL_TREE, tmp1, tmp2;
    6672          468 :   unsigned int num_args;
    6673          468 :   int k;
    6674          468 :   gfc_se rnd_se;
    6675          468 :   gfc_actual_arglist *arg = expr->value.function.actual;
    6676          468 :   gfc_expr *x = arg->expr;
    6677          468 :   gfc_expr *mold = arg->next->expr;
    6678              : 
    6679          468 :   num_args = gfc_intrinsic_argument_list_length (expr);
    6680          468 :   args = XALLOCAVEC (tree, num_args);
    6681              : 
    6682          468 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
    6683              : 
    6684          468 :   gfc_init_se (&rnd_se, NULL);
    6685              : 
    6686          468 :   if (num_args == 3)
    6687              :     {
    6688              :       /* The ROUND argument is optional and shall appear only if X is
    6689              :          of type real and MOLD is of type integer (see edit F23/004).  */
    6690          270 :       gfc_expr *round = arg->next->next->expr;
    6691          270 :       gfc_conv_expr (&rnd_se, round);
    6692              : 
    6693          270 :       if (round->expr_type == EXPR_VARIABLE
    6694          198 :           && round->symtree->n.sym->attr.dummy
    6695           30 :           && round->symtree->n.sym->attr.optional)
    6696              :         {
    6697           30 :           tree present = gfc_conv_expr_present (round->symtree->n.sym);
    6698           30 :           rnd_se.expr = build3_loc (input_location, COND_EXPR,
    6699              :                                     logical_type_node, present,
    6700              :                                     rnd_se.expr, logical_false_node);
    6701           30 :           gfc_add_block_to_block (&se->pre, &rnd_se.pre);
    6702              :         }
    6703              :     }
    6704              :   else
    6705              :     {
    6706              :       /* If ROUND is absent, it is equivalent to having the value false.  */
    6707          198 :       rnd_se.expr = logical_false_node;
    6708              :     }
    6709              : 
    6710          468 :   type = TREE_TYPE (args[0]);
    6711          468 :   k = gfc_validate_kind (mold->ts.type, mold->ts.kind, false);
    6712              : 
    6713          468 :   switch (x->ts.type)
    6714              :     {
    6715          378 :     case BT_REAL:
    6716              :       /* X may be IEEE infinity or NaN, but the representation of MOLD may not
    6717              :          support infinity or NaN.  */
    6718          378 :       tree finite;
    6719          378 :       finite = build_call_expr_loc (input_location,
    6720              :                                     builtin_decl_explicit (BUILT_IN_ISFINITE),
    6721              :                                     1,  args[0]);
    6722          378 :       finite = convert (logical_type_node, finite);
    6723              : 
    6724          378 :       if (mold->ts.type == BT_REAL)
    6725              :         {
    6726           24 :           tmp1 = build1 (ABS_EXPR, type, args[0]);
    6727           24 :           tmp2 = gfc_conv_mpfr_to_tree (gfc_real_kinds[k].huge,
    6728              :                                         mold->ts.kind, 0);
    6729           24 :           tmp = build2 (GT_EXPR, logical_type_node, tmp1,
    6730              :                         convert (type, tmp2));
    6731              : 
    6732              :           /* Check if MOLD representation supports infinity or NaN.  */
    6733           24 :           bool infnan = (HONOR_INFINITIES (TREE_TYPE (args[1]))
    6734           24 :                          || HONOR_NANS (TREE_TYPE (args[1])));
    6735           24 :           tmp = build3 (COND_EXPR, logical_type_node, finite, tmp,
    6736              :                         infnan ? logical_false_node : logical_true_node);
    6737              :         }
    6738              :       else
    6739              :         {
    6740          354 :           tree rounded;
    6741          354 :           tree decl;
    6742              : 
    6743          354 :           decl = gfc_builtin_decl_for_float_kind (BUILT_IN_TRUNC, x->ts.kind);
    6744          354 :           gcc_assert (decl != NULL_TREE);
    6745              : 
    6746              :           /* Round or truncate argument X, depending on the optional argument
    6747              :              ROUND (default: .false.).  */
    6748          354 :           tmp1 = build_round_expr (args[0], type);
    6749          354 :           tmp2 = build_call_expr_loc (input_location, decl, 1, args[0]);
    6750          354 :           rounded = build3 (COND_EXPR, type, rnd_se.expr, tmp1, tmp2);
    6751              : 
    6752          354 :           if (mold->ts.type == BT_INTEGER)
    6753              :             {
    6754          180 :               tmp1 = gfc_conv_mpz_to_tree (gfc_integer_kinds[k].min_int,
    6755              :                                            x->ts.kind);
    6756          180 :               tmp2 = gfc_conv_mpz_to_tree (gfc_integer_kinds[k].huge,
    6757              :                                            x->ts.kind);
    6758              :             }
    6759          174 :           else if (mold->ts.type == BT_UNSIGNED)
    6760              :             {
    6761          174 :               tmp1 = build_real_from_int_cst (type, integer_zero_node);
    6762          174 :               tmp2 = gfc_conv_mpz_to_tree (gfc_unsigned_kinds[k].huge,
    6763              :                                            x->ts.kind);
    6764              :             }
    6765              :           else
    6766            0 :             gcc_unreachable ();
    6767              : 
    6768          354 :           tmp1 = build2 (LT_EXPR, logical_type_node, rounded,
    6769              :                          convert (type, tmp1));
    6770          354 :           tmp2 = build2 (GT_EXPR, logical_type_node, rounded,
    6771              :                          convert (type, tmp2));
    6772          354 :           tmp = build2 (TRUTH_ORIF_EXPR, logical_type_node, tmp1, tmp2);
    6773          354 :           tmp = build2 (TRUTH_ORIF_EXPR, logical_type_node,
    6774              :                         build1 (TRUTH_NOT_EXPR, logical_type_node, finite),
    6775              :                         tmp);
    6776              :         }
    6777              :       break;
    6778              : 
    6779           48 :     case BT_INTEGER:
    6780           48 :       if (mold->ts.type == BT_INTEGER)
    6781              :         {
    6782           12 :           tmp1 = gfc_conv_mpz_to_tree (gfc_integer_kinds[k].min_int,
    6783              :                                        x->ts.kind);
    6784           12 :           tmp2 = gfc_conv_mpz_to_tree (gfc_integer_kinds[k].huge,
    6785              :                                        x->ts.kind);
    6786           12 :           tmp1 = build2 (LT_EXPR, logical_type_node, args[0],
    6787              :                          convert (type, tmp1));
    6788           12 :           tmp2 = build2 (GT_EXPR, logical_type_node, args[0],
    6789              :                          convert (type, tmp2));
    6790           12 :           tmp = build2 (TRUTH_ORIF_EXPR, logical_type_node, tmp1, tmp2);
    6791              :         }
    6792           36 :       else if (mold->ts.type == BT_UNSIGNED)
    6793              :         {
    6794           36 :           int i = gfc_validate_kind (x->ts.type, x->ts.kind, false);
    6795           36 :           tmp = build_int_cst (type, 0);
    6796           36 :           tmp = build2 (LT_EXPR, logical_type_node, args[0], tmp);
    6797           36 :           if (mpz_cmp (gfc_integer_kinds[i].huge,
    6798           36 :                        gfc_unsigned_kinds[k].huge) > 0)
    6799              :             {
    6800            0 :               tmp2 = gfc_conv_mpz_to_tree (gfc_unsigned_kinds[k].huge,
    6801              :                                            x->ts.kind);
    6802            0 :               tmp2 = build2 (GT_EXPR, logical_type_node, args[0],
    6803              :                              convert (type, tmp2));
    6804            0 :               tmp = build2 (TRUTH_ORIF_EXPR, logical_type_node, tmp, tmp2);
    6805              :             }
    6806              :         }
    6807            0 :       else if (mold->ts.type == BT_REAL)
    6808              :         {
    6809            0 :           tmp2 = gfc_conv_mpfr_to_tree (gfc_real_kinds[k].huge,
    6810              :                                         mold->ts.kind, 0);
    6811            0 :           tmp1 = build1 (NEGATE_EXPR, TREE_TYPE (tmp2), tmp2);
    6812            0 :           tmp1 = build2 (LT_EXPR, logical_type_node, args[0],
    6813              :                          convert (type, tmp1));
    6814            0 :           tmp2 = build2 (GT_EXPR, logical_type_node, args[0],
    6815              :                          convert (type, tmp2));
    6816            0 :           tmp = build2 (TRUTH_ORIF_EXPR, logical_type_node, tmp1, tmp2);
    6817              :         }
    6818              :       else
    6819            0 :         gcc_unreachable ();
    6820              :       break;
    6821              : 
    6822           42 :     case BT_UNSIGNED:
    6823           42 :       if (mold->ts.type == BT_UNSIGNED)
    6824              :         {
    6825           12 :           tmp = gfc_conv_mpz_to_tree (gfc_unsigned_kinds[k].huge,
    6826              :                                       x->ts.kind);
    6827           12 :           tmp = build2 (GT_EXPR, logical_type_node, args[0],
    6828              :                         convert (type, tmp));
    6829              :         }
    6830           30 :       else if (mold->ts.type == BT_INTEGER)
    6831              :         {
    6832           18 :           tmp = gfc_conv_mpz_to_tree (gfc_integer_kinds[k].huge,
    6833              :                                       x->ts.kind);
    6834           18 :           tmp = build2 (GT_EXPR, logical_type_node, args[0],
    6835              :                         convert (type, tmp));
    6836              :         }
    6837           12 :       else if (mold->ts.type == BT_REAL)
    6838              :         {
    6839           12 :           tmp = gfc_conv_mpfr_to_tree (gfc_real_kinds[k].huge,
    6840              :                                        mold->ts.kind, 0);
    6841           12 :           tmp = build2 (GT_EXPR, logical_type_node, args[0],
    6842              :                         convert (type, tmp));
    6843              :         }
    6844              :       else
    6845            0 :         gcc_unreachable ();
    6846              :       break;
    6847              : 
    6848            0 :     default:
    6849            0 :       gcc_unreachable ();
    6850              :     }
    6851              : 
    6852          468 :   se->expr = convert (gfc_typenode_for_spec (&expr->ts), tmp);
    6853          468 : }
    6854              : 
    6855              : 
    6856              : /* Set or clear a single bit.  */
    6857              : static void
    6858          306 : gfc_conv_intrinsic_singlebitop (gfc_se * se, gfc_expr * expr, int set)
    6859              : {
    6860          306 :   tree args[2];
    6861          306 :   tree type;
    6862          306 :   tree tmp;
    6863          306 :   enum tree_code op;
    6864              : 
    6865          306 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    6866          306 :   type = TREE_TYPE (args[0]);
    6867              : 
    6868              :   /* Optionally generate code for runtime argument check.  */
    6869          306 :   if (gfc_option.rtcheck & GFC_RTCHECK_BITS)
    6870              :     {
    6871           12 :       tree below = fold_build2_loc (input_location, LT_EXPR,
    6872              :                                     logical_type_node, args[1],
    6873           12 :                                     build_int_cst (TREE_TYPE (args[1]), 0));
    6874           12 :       tree nbits = build_int_cst (TREE_TYPE (args[1]), TYPE_PRECISION (type));
    6875           12 :       tree above = fold_build2_loc (input_location, GE_EXPR,
    6876              :                                     logical_type_node, args[1], nbits);
    6877           12 :       tree scond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    6878              :                                     logical_type_node, below, above);
    6879           12 :       size_t len_name = strlen (expr->value.function.isym->name);
    6880           12 :       char *name = XALLOCAVEC (char, len_name + 1);
    6881           72 :       for (size_t i = 0; i < len_name; i++)
    6882           60 :         name[i] = TOUPPER (expr->value.function.isym->name[i]);
    6883           12 :       name[len_name] = '\0';
    6884           12 :       tree iname = gfc_build_addr_expr (pchar_type_node,
    6885              :                                         gfc_build_cstring_const (name));
    6886           12 :       gfc_trans_runtime_check (true, false, scond, &se->pre, &expr->where,
    6887              :                                "POS argument (%ld) out of range 0:%ld "
    6888              :                                "in intrinsic %s",
    6889              :                                fold_convert (long_integer_type_node, args[1]),
    6890              :                                fold_convert (long_integer_type_node, nbits),
    6891              :                                iname);
    6892              :     }
    6893              : 
    6894          306 :   tmp = fold_build2_loc (input_location, LSHIFT_EXPR, type,
    6895              :                          build_int_cst (type, 1), args[1]);
    6896          306 :   if (set)
    6897              :     op = BIT_IOR_EXPR;
    6898              :   else
    6899              :     {
    6900          168 :       op = BIT_AND_EXPR;
    6901          168 :       tmp = fold_build1_loc (input_location, BIT_NOT_EXPR, type, tmp);
    6902              :     }
    6903          306 :   se->expr = fold_build2_loc (input_location, op, type, args[0], tmp);
    6904          306 : }
    6905              : 
    6906              : /* Extract a sequence of bits.
    6907              :     IBITS(I, POS, LEN) = (I >> POS) & ~((~0) << LEN).  */
    6908              : static void
    6909           27 : gfc_conv_intrinsic_ibits (gfc_se * se, gfc_expr * expr)
    6910              : {
    6911           27 :   tree args[3];
    6912           27 :   tree type;
    6913           27 :   tree tmp;
    6914           27 :   tree mask;
    6915           27 :   tree num_bits, cond;
    6916              : 
    6917           27 :   gfc_conv_intrinsic_function_args (se, expr, args, 3);
    6918           27 :   type = TREE_TYPE (args[0]);
    6919              : 
    6920              :   /* Optionally generate code for runtime argument check.  */
    6921           27 :   if (gfc_option.rtcheck & GFC_RTCHECK_BITS)
    6922              :     {
    6923           12 :       tree tmp1 = fold_convert (long_integer_type_node, args[1]);
    6924           12 :       tree tmp2 = fold_convert (long_integer_type_node, args[2]);
    6925           12 :       tree nbits = build_int_cst (long_integer_type_node,
    6926           12 :                                   TYPE_PRECISION (type));
    6927           12 :       tree below = fold_build2_loc (input_location, LT_EXPR,
    6928              :                                     logical_type_node, args[1],
    6929           12 :                                     build_int_cst (TREE_TYPE (args[1]), 0));
    6930           12 :       tree above = fold_build2_loc (input_location, GT_EXPR,
    6931              :                                     logical_type_node, tmp1, nbits);
    6932           12 :       tree scond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    6933              :                                     logical_type_node, below, above);
    6934           12 :       gfc_trans_runtime_check (true, false, scond, &se->pre, &expr->where,
    6935              :                                "POS argument (%ld) out of range 0:%ld "
    6936              :                                "in intrinsic IBITS", tmp1, nbits);
    6937           12 :       below = fold_build2_loc (input_location, LT_EXPR,
    6938              :                                logical_type_node, args[2],
    6939           12 :                                build_int_cst (TREE_TYPE (args[2]), 0));
    6940           12 :       above = fold_build2_loc (input_location, GT_EXPR,
    6941              :                                logical_type_node, tmp2, nbits);
    6942           12 :       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              :                                "LEN argument (%ld) out of range 0:%ld "
    6946              :                                "in intrinsic IBITS", tmp2, nbits);
    6947           12 :       above = fold_build2_loc (input_location, PLUS_EXPR,
    6948              :                                long_integer_type_node, tmp1, tmp2);
    6949           12 :       scond = fold_build2_loc (input_location, GT_EXPR,
    6950              :                                logical_type_node, above, nbits);
    6951           12 :       gfc_trans_runtime_check (true, false, scond, &se->pre, &expr->where,
    6952              :                                "POS(%ld)+LEN(%ld)>BIT_SIZE(%ld) "
    6953              :                                "in intrinsic IBITS", tmp1, tmp2, nbits);
    6954              :     }
    6955              : 
    6956              :   /* The Fortran standard allows (shift width) LEN <= BIT_SIZE(I), whereas
    6957              :      gcc requires a shift width < BIT_SIZE(I), so we have to catch this
    6958              :      special case.  See also gfc_conv_intrinsic_ishft ().  */
    6959           27 :   num_bits = build_int_cst (TREE_TYPE (args[2]), TYPE_PRECISION (type));
    6960              : 
    6961           27 :   mask = build_int_cst (type, -1);
    6962           27 :   mask = fold_build2_loc (input_location, LSHIFT_EXPR, type, mask, args[2]);
    6963           27 :   cond = fold_build2_loc (input_location, GE_EXPR, logical_type_node, args[2],
    6964              :                           num_bits);
    6965           27 :   mask = fold_build3_loc (input_location, COND_EXPR, type, cond,
    6966              :                           build_int_cst (type, 0), mask);
    6967           27 :   mask = fold_build1_loc (input_location, BIT_NOT_EXPR, type, mask);
    6968              : 
    6969           27 :   tmp = fold_build2_loc (input_location, RSHIFT_EXPR, type, args[0], args[1]);
    6970              : 
    6971           27 :   se->expr = fold_build2_loc (input_location, BIT_AND_EXPR, type, tmp, mask);
    6972           27 : }
    6973              : 
    6974              : static void
    6975          492 : gfc_conv_intrinsic_shift (gfc_se * se, gfc_expr * expr, bool right_shift,
    6976              :                           bool arithmetic)
    6977              : {
    6978          492 :   tree args[2], type, num_bits, cond;
    6979          492 :   tree bigshift;
    6980          492 :   bool do_convert = false;
    6981              : 
    6982          492 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    6983              : 
    6984          492 :   args[0] = gfc_evaluate_now (args[0], &se->pre);
    6985          492 :   args[1] = gfc_evaluate_now (args[1], &se->pre);
    6986          492 :   type = TREE_TYPE (args[0]);
    6987              : 
    6988          492 :   if (!arithmetic)
    6989              :     {
    6990          390 :       args[0] = fold_convert (unsigned_type_for (type), args[0]);
    6991          390 :       do_convert = true;
    6992              :     }
    6993              :   else
    6994          102 :     gcc_assert (right_shift);
    6995              : 
    6996          492 :   if (flag_unsigned && arithmetic && expr->ts.type == BT_UNSIGNED)
    6997              :     {
    6998           30 :       do_convert = true;
    6999           30 :       args[0] = fold_convert (signed_type_for (type), args[0]);
    7000              :     }
    7001              : 
    7002          816 :   se->expr = fold_build2_loc (input_location,
    7003              :                               right_shift ? RSHIFT_EXPR : LSHIFT_EXPR,
    7004          492 :                               TREE_TYPE (args[0]), args[0], args[1]);
    7005              : 
    7006          492 :   if (do_convert)
    7007          420 :     se->expr = fold_convert (type, se->expr);
    7008              : 
    7009          492 :   if (!arithmetic)
    7010          390 :     bigshift = build_int_cst (type, 0);
    7011              :   else
    7012              :     {
    7013          102 :       tree nonneg = fold_build2_loc (input_location, GE_EXPR,
    7014              :                                      logical_type_node, args[0],
    7015          102 :                                      build_int_cst (TREE_TYPE (args[0]), 0));
    7016          102 :       bigshift = fold_build3_loc (input_location, COND_EXPR, type, nonneg,
    7017              :                                   build_int_cst (type, 0),
    7018              :                                   build_int_cst (type, -1));
    7019              :     }
    7020              : 
    7021              :   /* The Fortran standard allows shift widths <= BIT_SIZE(I), whereas
    7022              :      gcc requires a shift width < BIT_SIZE(I), so we have to catch this
    7023              :      special case.  */
    7024          492 :   num_bits = build_int_cst (TREE_TYPE (args[1]), TYPE_PRECISION (type));
    7025              : 
    7026              :   /* Optionally generate code for runtime argument check.  */
    7027          492 :   if (gfc_option.rtcheck & GFC_RTCHECK_BITS)
    7028              :     {
    7029           30 :       tree below = fold_build2_loc (input_location, LT_EXPR,
    7030              :                                     logical_type_node, args[1],
    7031           30 :                                     build_int_cst (TREE_TYPE (args[1]), 0));
    7032           30 :       tree above = fold_build2_loc (input_location, GT_EXPR,
    7033              :                                     logical_type_node, args[1], num_bits);
    7034           30 :       tree scond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    7035              :                                     logical_type_node, below, above);
    7036           30 :       size_t len_name = strlen (expr->value.function.isym->name);
    7037           30 :       char *name = XALLOCAVEC (char, len_name + 1);
    7038          210 :       for (size_t i = 0; i < len_name; i++)
    7039          180 :         name[i] = TOUPPER (expr->value.function.isym->name[i]);
    7040           30 :       name[len_name] = '\0';
    7041           30 :       tree iname = gfc_build_addr_expr (pchar_type_node,
    7042              :                                         gfc_build_cstring_const (name));
    7043           30 :       gfc_trans_runtime_check (true, false, scond, &se->pre, &expr->where,
    7044              :                                "SHIFT argument (%ld) out of range 0:%ld "
    7045              :                                "in intrinsic %s",
    7046              :                                fold_convert (long_integer_type_node, args[1]),
    7047              :                                fold_convert (long_integer_type_node, num_bits),
    7048              :                                iname);
    7049              :     }
    7050              : 
    7051          492 :   cond = fold_build2_loc (input_location, GE_EXPR, logical_type_node,
    7052              :                           args[1], num_bits);
    7053              : 
    7054          492 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, cond,
    7055              :                               bigshift, se->expr);
    7056          492 : }
    7057              : 
    7058              : /* ISHFT (I, SHIFT) = (abs (shift) >= BIT_SIZE (i))
    7059              :                         ? 0
    7060              :                         : ((shift >= 0) ? i << shift : i >> -shift)
    7061              :    where all shifts are logical shifts.  */
    7062              : static void
    7063          318 : gfc_conv_intrinsic_ishft (gfc_se * se, gfc_expr * expr)
    7064              : {
    7065          318 :   tree args[2];
    7066          318 :   tree type;
    7067          318 :   tree utype;
    7068          318 :   tree tmp;
    7069          318 :   tree width;
    7070          318 :   tree num_bits;
    7071          318 :   tree cond;
    7072          318 :   tree lshift;
    7073          318 :   tree rshift;
    7074              : 
    7075          318 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    7076              : 
    7077          318 :   args[0] = gfc_evaluate_now (args[0], &se->pre);
    7078          318 :   args[1] = gfc_evaluate_now (args[1], &se->pre);
    7079              : 
    7080          318 :   type = TREE_TYPE (args[0]);
    7081          318 :   utype = unsigned_type_for (type);
    7082              : 
    7083          318 :   width = fold_build1_loc (input_location, ABS_EXPR, TREE_TYPE (args[1]),
    7084              :                            args[1]);
    7085              : 
    7086              :   /* Left shift if positive.  */
    7087          318 :   lshift = fold_build2_loc (input_location, LSHIFT_EXPR, type, args[0], width);
    7088              : 
    7089              :   /* Right shift if negative.
    7090              :      We convert to an unsigned type because we want a logical shift.
    7091              :      The standard doesn't define the case of shifting negative
    7092              :      numbers, and we try to be compatible with other compilers, most
    7093              :      notably g77, here.  */
    7094          318 :   rshift = fold_convert (type, fold_build2_loc (input_location, RSHIFT_EXPR,
    7095              :                                     utype, convert (utype, args[0]), width));
    7096              : 
    7097          318 :   tmp = fold_build2_loc (input_location, GE_EXPR, logical_type_node, args[1],
    7098          318 :                          build_int_cst (TREE_TYPE (args[1]), 0));
    7099          318 :   tmp = fold_build3_loc (input_location, COND_EXPR, type, tmp, lshift, rshift);
    7100              : 
    7101              :   /* The Fortran standard allows shift widths <= BIT_SIZE(I), whereas
    7102              :      gcc requires a shift width < BIT_SIZE(I), so we have to catch this
    7103              :      special case.  */
    7104          318 :   num_bits = build_int_cst (TREE_TYPE (args[1]), TYPE_PRECISION (type));
    7105              : 
    7106              :   /* Optionally generate code for runtime argument check.  */
    7107          318 :   if (gfc_option.rtcheck & GFC_RTCHECK_BITS)
    7108              :     {
    7109           24 :       tree outside = fold_build2_loc (input_location, GT_EXPR,
    7110              :                                     logical_type_node, width, num_bits);
    7111           24 :       gfc_trans_runtime_check (true, false, outside, &se->pre, &expr->where,
    7112              :                                "SHIFT argument (%ld) out of range -%ld:%ld "
    7113              :                                "in intrinsic ISHFT",
    7114              :                                fold_convert (long_integer_type_node, args[1]),
    7115              :                                fold_convert (long_integer_type_node, num_bits),
    7116              :                                fold_convert (long_integer_type_node, num_bits));
    7117              :     }
    7118              : 
    7119          318 :   cond = fold_build2_loc (input_location, GE_EXPR, logical_type_node, width,
    7120              :                           num_bits);
    7121          318 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, cond,
    7122              :                               build_int_cst (type, 0), tmp);
    7123          318 : }
    7124              : 
    7125              : 
    7126              : /* Circular shift.  AKA rotate or barrel shift.  */
    7127              : 
    7128              : static void
    7129          658 : gfc_conv_intrinsic_ishftc (gfc_se * se, gfc_expr * expr)
    7130              : {
    7131          658 :   tree *args;
    7132          658 :   tree type;
    7133          658 :   tree tmp;
    7134          658 :   tree lrot;
    7135          658 :   tree rrot;
    7136          658 :   tree zero;
    7137          658 :   tree nbits;
    7138          658 :   unsigned int num_args;
    7139              : 
    7140          658 :   num_args = gfc_intrinsic_argument_list_length (expr);
    7141          658 :   args = XALLOCAVEC (tree, num_args);
    7142              : 
    7143          658 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
    7144              : 
    7145          658 :   type = TREE_TYPE (args[0]);
    7146          658 :   nbits = build_int_cst (long_integer_type_node, TYPE_PRECISION (type));
    7147              : 
    7148          658 :   if (num_args == 3)
    7149              :     {
    7150          550 :       gfc_expr *size = expr->value.function.actual->next->next->expr;
    7151              : 
    7152              :       /* Use a library function for the 3 parameter version.  */
    7153          550 :       tree int4type = gfc_get_int_type (4);
    7154              : 
    7155              :       /* Treat optional SIZE argument when it is passed as an optional
    7156              :          dummy.  If SIZE is absent, the default value is BIT_SIZE(I).  */
    7157          550 :       if (size->expr_type == EXPR_VARIABLE
    7158          438 :           && size->symtree->n.sym->attr.dummy
    7159           36 :           && size->symtree->n.sym->attr.optional)
    7160              :         {
    7161           36 :           tree type_of_size = TREE_TYPE (args[2]);
    7162           72 :           args[2] = build3_loc (input_location, COND_EXPR, type_of_size,
    7163           36 :                                 gfc_conv_expr_present (size->symtree->n.sym),
    7164              :                                 args[2], fold_convert (type_of_size, nbits));
    7165              :         }
    7166              : 
    7167              :       /* We convert the first argument to at least 4 bytes, and
    7168              :          convert back afterwards.  This removes the need for library
    7169              :          functions for all argument sizes, and function will be
    7170              :          aligned to at least 32 bits, so there's no loss.  */
    7171          550 :       if (expr->ts.kind < 4)
    7172          242 :         args[0] = convert (int4type, args[0]);
    7173              : 
    7174              :       /* Convert the SHIFT and SIZE args to INTEGER*4 otherwise we would
    7175              :          need loads of library  functions.  They cannot have values >
    7176              :          BIT_SIZE (I) so the conversion is safe.  */
    7177          550 :       args[1] = convert (int4type, args[1]);
    7178          550 :       args[2] = convert (int4type, args[2]);
    7179              : 
    7180              :       /* Optionally generate code for runtime argument check.  */
    7181          550 :       if (gfc_option.rtcheck & GFC_RTCHECK_BITS)
    7182              :         {
    7183           18 :           tree size = fold_convert (long_integer_type_node, args[2]);
    7184           18 :           tree below = fold_build2_loc (input_location, LE_EXPR,
    7185              :                                         logical_type_node, size,
    7186           18 :                                         build_int_cst (TREE_TYPE (args[1]), 0));
    7187           18 :           tree above = fold_build2_loc (input_location, GT_EXPR,
    7188              :                                         logical_type_node, size, nbits);
    7189           18 :           tree scond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
    7190              :                                         logical_type_node, below, above);
    7191           18 :           gfc_trans_runtime_check (true, false, scond, &se->pre, &expr->where,
    7192              :                                    "SIZE argument (%ld) out of range 1:%ld "
    7193              :                                    "in intrinsic ISHFTC", size, nbits);
    7194           18 :           tree width = fold_convert (long_integer_type_node, args[1]);
    7195           18 :           width = fold_build1_loc (input_location, ABS_EXPR,
    7196              :                                    long_integer_type_node, width);
    7197           18 :           scond = fold_build2_loc (input_location, GT_EXPR,
    7198              :                                    logical_type_node, width, size);
    7199           18 :           gfc_trans_runtime_check (true, false, scond, &se->pre, &expr->where,
    7200              :                                    "SHIFT argument (%ld) out of range -%ld:%ld "
    7201              :                                    "in intrinsic ISHFTC",
    7202              :                                    fold_convert (long_integer_type_node, args[1]),
    7203              :                                    size, size);
    7204              :         }
    7205              : 
    7206          550 :       switch (expr->ts.kind)
    7207              :         {
    7208          426 :         case 1:
    7209          426 :         case 2:
    7210          426 :         case 4:
    7211          426 :           tmp = gfor_fndecl_math_ishftc4;
    7212          426 :           break;
    7213          124 :         case 8:
    7214          124 :           tmp = gfor_fndecl_math_ishftc8;
    7215          124 :           break;
    7216            0 :         case 16:
    7217            0 :           tmp = gfor_fndecl_math_ishftc16;
    7218            0 :           break;
    7219            0 :         default:
    7220            0 :           gcc_unreachable ();
    7221              :         }
    7222          550 :       se->expr = build_call_expr_loc (input_location,
    7223              :                                       tmp, 3, args[0], args[1], args[2]);
    7224              :       /* Convert the result back to the original type, if we extended
    7225              :          the first argument's width above.  */
    7226          550 :       if (expr->ts.kind < 4)
    7227          242 :         se->expr = convert (type, se->expr);
    7228              : 
    7229          550 :       return;
    7230              :     }
    7231              : 
    7232              :   /* Evaluate arguments only once.  */
    7233          108 :   args[0] = gfc_evaluate_now (args[0], &se->pre);
    7234          108 :   args[1] = gfc_evaluate_now (args[1], &se->pre);
    7235              : 
    7236              :   /* Optionally generate code for runtime argument check.  */
    7237          108 :   if (gfc_option.rtcheck & GFC_RTCHECK_BITS)
    7238              :     {
    7239           12 :       tree width = fold_convert (long_integer_type_node, args[1]);
    7240           12 :       width = fold_build1_loc (input_location, ABS_EXPR,
    7241              :                                long_integer_type_node, width);
    7242           12 :       tree outside = fold_build2_loc (input_location, GT_EXPR,
    7243              :                                       logical_type_node, width, nbits);
    7244           12 :       gfc_trans_runtime_check (true, false, outside, &se->pre, &expr->where,
    7245              :                                "SHIFT argument (%ld) out of range -%ld:%ld "
    7246              :                                "in intrinsic ISHFTC",
    7247              :                                fold_convert (long_integer_type_node, args[1]),
    7248              :                                nbits, nbits);
    7249              :     }
    7250              : 
    7251              :   /* Rotate left if positive.  */
    7252          108 :   lrot = fold_build2_loc (input_location, LROTATE_EXPR, type, args[0], args[1]);
    7253              : 
    7254              :   /* Rotate right if negative.  */
    7255          108 :   tmp = fold_build1_loc (input_location, NEGATE_EXPR, TREE_TYPE (args[1]),
    7256              :                          args[1]);
    7257          108 :   rrot = fold_build2_loc (input_location,RROTATE_EXPR, type, args[0], tmp);
    7258              : 
    7259          108 :   zero = build_int_cst (TREE_TYPE (args[1]), 0);
    7260          108 :   tmp = fold_build2_loc (input_location, GT_EXPR, logical_type_node, args[1],
    7261              :                          zero);
    7262          108 :   rrot = fold_build3_loc (input_location, COND_EXPR, type, tmp, lrot, rrot);
    7263              : 
    7264              :   /* Do nothing if shift == 0.  */
    7265          108 :   tmp = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, args[1],
    7266              :                          zero);
    7267          108 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, tmp, args[0],
    7268              :                               rrot);
    7269              : }
    7270              : 
    7271              : 
    7272              : /* LEADZ (i) = (i == 0) ? BIT_SIZE (i)
    7273              :                         : __builtin_clz(i) - (BIT_SIZE('int') - BIT_SIZE(i))
    7274              : 
    7275              :    The conditional expression is necessary because the result of LEADZ(0)
    7276              :    is defined, but the result of __builtin_clz(0) is undefined for most
    7277              :    targets.
    7278              : 
    7279              :    For INTEGER kinds smaller than the C 'int' type, we have to subtract the
    7280              :    difference in bit size between the argument of LEADZ and the C int.  */
    7281              : 
    7282              : static void
    7283          270 : gfc_conv_intrinsic_leadz (gfc_se * se, gfc_expr * expr)
    7284              : {
    7285          270 :   tree arg;
    7286          270 :   tree arg_type;
    7287          270 :   tree cond;
    7288          270 :   tree result_type;
    7289          270 :   tree leadz;
    7290          270 :   tree bit_size;
    7291          270 :   tree tmp;
    7292          270 :   tree func;
    7293          270 :   int s, argsize;
    7294              : 
    7295          270 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    7296          270 :   argsize = TYPE_PRECISION (TREE_TYPE (arg));
    7297              : 
    7298              :   /* Which variant of __builtin_clz* should we call?  */
    7299          270 :   if (argsize <= INT_TYPE_SIZE)
    7300              :     {
    7301          183 :       arg_type = unsigned_type_node;
    7302          183 :       func = builtin_decl_explicit (BUILT_IN_CLZ);
    7303              :     }
    7304           87 :   else if (argsize <= LONG_TYPE_SIZE)
    7305              :     {
    7306           57 :       arg_type = long_unsigned_type_node;
    7307           57 :       func = builtin_decl_explicit (BUILT_IN_CLZL);
    7308              :     }
    7309           30 :   else if (argsize <= LONG_LONG_TYPE_SIZE)
    7310              :     {
    7311            0 :       arg_type = long_long_unsigned_type_node;
    7312            0 :       func = builtin_decl_explicit (BUILT_IN_CLZLL);
    7313              :     }
    7314              :   else
    7315              :     {
    7316           30 :       gcc_assert (argsize == 2 * LONG_LONG_TYPE_SIZE);
    7317           30 :       arg_type = gfc_build_uint_type (argsize);
    7318           30 :       func = NULL_TREE;
    7319              :     }
    7320              : 
    7321              :   /* Convert the actual argument twice: first, to the unsigned type of the
    7322              :      same size; then, to the proper argument type for the built-in
    7323              :      function.  But the return type is of the default INTEGER kind.  */
    7324          270 :   arg = fold_convert (gfc_build_uint_type (argsize), arg);
    7325          270 :   arg = fold_convert (arg_type, arg);
    7326          270 :   arg = gfc_evaluate_now (arg, &se->pre);
    7327          270 :   result_type = gfc_get_int_type (gfc_default_integer_kind);
    7328              : 
    7329              :   /* Compute LEADZ for the case i .ne. 0.  */
    7330          270 :   if (func)
    7331              :     {
    7332          240 :       s = TYPE_PRECISION (arg_type) - argsize;
    7333          240 :       tmp = fold_convert (result_type,
    7334              :                           build_call_expr_loc (input_location, func,
    7335              :                                                1, arg));
    7336          240 :       leadz = fold_build2_loc (input_location, MINUS_EXPR, result_type,
    7337          240 :                                tmp, build_int_cst (result_type, s));
    7338              :     }
    7339              :   else
    7340              :     {
    7341              :       /* We end up here if the argument type is larger than 'long long'.
    7342              :          We generate this code:
    7343              : 
    7344              :             if (x & (ULL_MAX << ULL_SIZE) != 0)
    7345              :               return clzll ((unsigned long long) (x >> ULLSIZE));
    7346              :             else
    7347              :               return ULL_SIZE + clzll ((unsigned long long) x);
    7348              :          where ULL_MAX is the largest value that a ULL_MAX can hold
    7349              :          (0xFFFFFFFFFFFFFFFF for a 64-bit long long type), and ULLSIZE
    7350              :          is the bit-size of the long long type (64 in this example).  */
    7351           30 :       tree ullsize, ullmax, tmp1, tmp2, btmp;
    7352              : 
    7353           30 :       ullsize = build_int_cst (result_type, LONG_LONG_TYPE_SIZE);
    7354           30 :       ullmax = fold_build1_loc (input_location, BIT_NOT_EXPR,
    7355              :                                 long_long_unsigned_type_node,
    7356              :                                 build_int_cst (long_long_unsigned_type_node,
    7357              :                                                0));
    7358              : 
    7359           30 :       cond = fold_build2_loc (input_location, LSHIFT_EXPR, arg_type,
    7360              :                               fold_convert (arg_type, ullmax), ullsize);
    7361           30 :       cond = fold_build2_loc (input_location, BIT_AND_EXPR, arg_type,
    7362              :                               arg, cond);
    7363           30 :       cond = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    7364              :                               cond, build_int_cst (arg_type, 0));
    7365              : 
    7366           30 :       tmp1 = fold_build2_loc (input_location, RSHIFT_EXPR, arg_type,
    7367              :                               arg, ullsize);
    7368           30 :       tmp1 = fold_convert (long_long_unsigned_type_node, tmp1);
    7369           30 :       btmp = builtin_decl_explicit (BUILT_IN_CLZLL);
    7370           30 :       tmp1 = fold_convert (result_type,
    7371              :                            build_call_expr_loc (input_location, btmp, 1, tmp1));
    7372              : 
    7373           30 :       tmp2 = fold_convert (long_long_unsigned_type_node, arg);
    7374           30 :       btmp = builtin_decl_explicit (BUILT_IN_CLZLL);
    7375           30 :       tmp2 = fold_convert (result_type,
    7376              :                            build_call_expr_loc (input_location, btmp, 1, tmp2));
    7377           30 :       tmp2 = fold_build2_loc (input_location, PLUS_EXPR, result_type,
    7378              :                               tmp2, ullsize);
    7379              : 
    7380           30 :       leadz = fold_build3_loc (input_location, COND_EXPR, result_type,
    7381              :                                cond, tmp1, tmp2);
    7382              :     }
    7383              : 
    7384              :   /* Build BIT_SIZE.  */
    7385          270 :   bit_size = build_int_cst (result_type, argsize);
    7386              : 
    7387          270 :   cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    7388              :                           arg, build_int_cst (arg_type, 0));
    7389          270 :   se->expr = fold_build3_loc (input_location, COND_EXPR, result_type, cond,
    7390              :                               bit_size, leadz);
    7391          270 : }
    7392              : 
    7393              : 
    7394              : /* TRAILZ(i) = (i == 0) ? BIT_SIZE (i) : __builtin_ctz(i)
    7395              : 
    7396              :    The conditional expression is necessary because the result of TRAILZ(0)
    7397              :    is defined, but the result of __builtin_ctz(0) is undefined for most
    7398              :    targets.  */
    7399              : 
    7400              : static void
    7401          282 : gfc_conv_intrinsic_trailz (gfc_se * se, gfc_expr *expr)
    7402              : {
    7403          282 :   tree arg;
    7404          282 :   tree arg_type;
    7405          282 :   tree cond;
    7406          282 :   tree result_type;
    7407          282 :   tree trailz;
    7408          282 :   tree bit_size;
    7409          282 :   tree func;
    7410          282 :   int argsize;
    7411              : 
    7412          282 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    7413          282 :   argsize = TYPE_PRECISION (TREE_TYPE (arg));
    7414              : 
    7415              :   /* Which variant of __builtin_ctz* should we call?  */
    7416          282 :   if (argsize <= INT_TYPE_SIZE)
    7417              :     {
    7418          195 :       arg_type = unsigned_type_node;
    7419          195 :       func = builtin_decl_explicit (BUILT_IN_CTZ);
    7420              :     }
    7421           87 :   else if (argsize <= LONG_TYPE_SIZE)
    7422              :     {
    7423           57 :       arg_type = long_unsigned_type_node;
    7424           57 :       func = builtin_decl_explicit (BUILT_IN_CTZL);
    7425              :     }
    7426           30 :   else if (argsize <= LONG_LONG_TYPE_SIZE)
    7427              :     {
    7428            0 :       arg_type = long_long_unsigned_type_node;
    7429            0 :       func = builtin_decl_explicit (BUILT_IN_CTZLL);
    7430              :     }
    7431              :   else
    7432              :     {
    7433           30 :       gcc_assert (argsize == 2 * LONG_LONG_TYPE_SIZE);
    7434           30 :       arg_type = gfc_build_uint_type (argsize);
    7435           30 :       func = NULL_TREE;
    7436              :     }
    7437              : 
    7438              :   /* Convert the actual argument twice: first, to the unsigned type of the
    7439              :      same size; then, to the proper argument type for the built-in
    7440              :      function.  But the return type is of the default INTEGER kind.  */
    7441          282 :   arg = fold_convert (gfc_build_uint_type (argsize), arg);
    7442          282 :   arg = fold_convert (arg_type, arg);
    7443          282 :   arg = gfc_evaluate_now (arg, &se->pre);
    7444          282 :   result_type = gfc_get_int_type (gfc_default_integer_kind);
    7445              : 
    7446              :   /* Compute TRAILZ for the case i .ne. 0.  */
    7447          282 :   if (func)
    7448          252 :     trailz = fold_convert (result_type, build_call_expr_loc (input_location,
    7449              :                                                              func, 1, arg));
    7450              :   else
    7451              :     {
    7452              :       /* We end up here if the argument type is larger than 'long long'.
    7453              :          We generate this code:
    7454              : 
    7455              :             if ((x & ULL_MAX) == 0)
    7456              :               return ULL_SIZE + ctzll ((unsigned long long) (x >> ULLSIZE));
    7457              :             else
    7458              :               return ctzll ((unsigned long long) x);
    7459              : 
    7460              :          where ULL_MAX is the largest value that a ULL_MAX can hold
    7461              :          (0xFFFFFFFFFFFFFFFF for a 64-bit long long type), and ULLSIZE
    7462              :          is the bit-size of the long long type (64 in this example).  */
    7463           30 :       tree ullsize, ullmax, tmp1, tmp2, btmp;
    7464              : 
    7465           30 :       ullsize = build_int_cst (result_type, LONG_LONG_TYPE_SIZE);
    7466           30 :       ullmax = fold_build1_loc (input_location, BIT_NOT_EXPR,
    7467              :                                 long_long_unsigned_type_node,
    7468              :                                 build_int_cst (long_long_unsigned_type_node, 0));
    7469              : 
    7470           30 :       cond = fold_build2_loc (input_location, BIT_AND_EXPR, arg_type, arg,
    7471              :                               fold_convert (arg_type, ullmax));
    7472           30 :       cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, cond,
    7473              :                               build_int_cst (arg_type, 0));
    7474              : 
    7475           30 :       tmp1 = fold_build2_loc (input_location, RSHIFT_EXPR, arg_type,
    7476              :                               arg, ullsize);
    7477           30 :       tmp1 = fold_convert (long_long_unsigned_type_node, tmp1);
    7478           30 :       btmp = builtin_decl_explicit (BUILT_IN_CTZLL);
    7479           30 :       tmp1 = fold_convert (result_type,
    7480              :                            build_call_expr_loc (input_location, btmp, 1, tmp1));
    7481           30 :       tmp1 = fold_build2_loc (input_location, PLUS_EXPR, result_type,
    7482              :                               tmp1, ullsize);
    7483              : 
    7484           30 :       tmp2 = fold_convert (long_long_unsigned_type_node, arg);
    7485           30 :       btmp = builtin_decl_explicit (BUILT_IN_CTZLL);
    7486           30 :       tmp2 = fold_convert (result_type,
    7487              :                            build_call_expr_loc (input_location, btmp, 1, tmp2));
    7488              : 
    7489           30 :       trailz = fold_build3_loc (input_location, COND_EXPR, result_type,
    7490              :                                 cond, tmp1, tmp2);
    7491              :     }
    7492              : 
    7493              :   /* Build BIT_SIZE.  */
    7494          282 :   bit_size = build_int_cst (result_type, argsize);
    7495              : 
    7496          282 :   cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    7497              :                           arg, build_int_cst (arg_type, 0));
    7498          282 :   se->expr = fold_build3_loc (input_location, COND_EXPR, result_type, cond,
    7499              :                               bit_size, trailz);
    7500          282 : }
    7501              : 
    7502              : /* Using __builtin_popcount for POPCNT and __builtin_parity for POPPAR;
    7503              :    for types larger than "long long", we call the long long built-in for
    7504              :    the lower and higher bits and combine the result.  */
    7505              : 
    7506              : static void
    7507          134 : gfc_conv_intrinsic_popcnt_poppar (gfc_se * se, gfc_expr *expr, int parity)
    7508              : {
    7509          134 :   tree arg;
    7510          134 :   tree arg_type;
    7511          134 :   tree result_type;
    7512          134 :   tree func;
    7513          134 :   int argsize;
    7514              : 
    7515          134 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    7516          134 :   argsize = TYPE_PRECISION (TREE_TYPE (arg));
    7517          134 :   result_type = gfc_get_int_type (gfc_default_integer_kind);
    7518              : 
    7519              :   /* Which variant of the builtin should we call?  */
    7520          134 :   if (argsize <= INT_TYPE_SIZE)
    7521              :     {
    7522          108 :       arg_type = unsigned_type_node;
    7523          198 :       func = builtin_decl_explicit (parity
    7524              :                                     ? BUILT_IN_PARITY
    7525              :                                     : BUILT_IN_POPCOUNT);
    7526              :     }
    7527           26 :   else if (argsize <= LONG_TYPE_SIZE)
    7528              :     {
    7529           12 :       arg_type = long_unsigned_type_node;
    7530           18 :       func = builtin_decl_explicit (parity
    7531              :                                     ? BUILT_IN_PARITYL
    7532              :                                     : BUILT_IN_POPCOUNTL);
    7533              :     }
    7534           14 :   else if (argsize <= LONG_LONG_TYPE_SIZE)
    7535              :     {
    7536            0 :       arg_type = long_long_unsigned_type_node;
    7537            0 :       func = builtin_decl_explicit (parity
    7538              :                                     ? BUILT_IN_PARITYLL
    7539              :                                     : BUILT_IN_POPCOUNTLL);
    7540              :     }
    7541              :   else
    7542              :     {
    7543              :       /* Our argument type is larger than 'long long', which mean none
    7544              :          of the POPCOUNT builtins covers it.  We thus call the 'long long'
    7545              :          variant multiple times, and add the results.  */
    7546           14 :       tree utype, arg2, call1, call2;
    7547              : 
    7548              :       /* For now, we only cover the case where argsize is twice as large
    7549              :          as 'long long'.  */
    7550           14 :       gcc_assert (argsize == 2 * LONG_LONG_TYPE_SIZE);
    7551              : 
    7552           21 :       func = builtin_decl_explicit (parity
    7553              :                                     ? BUILT_IN_PARITYLL
    7554              :                                     : BUILT_IN_POPCOUNTLL);
    7555              : 
    7556              :       /* Convert it to an integer, and store into a variable.  */
    7557           14 :       utype = gfc_build_uint_type (argsize);
    7558           14 :       arg = fold_convert (utype, arg);
    7559           14 :       arg = gfc_evaluate_now (arg, &se->pre);
    7560              : 
    7561              :       /* Call the builtin twice.  */
    7562           14 :       call1 = build_call_expr_loc (input_location, func, 1,
    7563              :                                    fold_convert (long_long_unsigned_type_node,
    7564              :                                                  arg));
    7565              : 
    7566           14 :       arg2 = fold_build2_loc (input_location, RSHIFT_EXPR, utype, arg,
    7567              :                               build_int_cst (utype, LONG_LONG_TYPE_SIZE));
    7568           14 :       call2 = build_call_expr_loc (input_location, func, 1,
    7569              :                                    fold_convert (long_long_unsigned_type_node,
    7570              :                                                  arg2));
    7571              : 
    7572              :       /* Combine the results.  */
    7573           14 :       if (parity)
    7574            7 :         se->expr = fold_build2_loc (input_location, BIT_XOR_EXPR,
    7575              :                                     integer_type_node, call1, call2);
    7576              :       else
    7577            7 :         se->expr = fold_build2_loc (input_location, PLUS_EXPR,
    7578              :                                     integer_type_node, call1, call2);
    7579              : 
    7580           14 :       se->expr = convert (result_type, se->expr);
    7581           14 :       return;
    7582              :     }
    7583              : 
    7584              :   /* Convert the actual argument twice: first, to the unsigned type of the
    7585              :      same size; then, to the proper argument type for the built-in
    7586              :      function.  */
    7587          120 :   arg = fold_convert (gfc_build_uint_type (argsize), arg);
    7588          120 :   arg = fold_convert (arg_type, arg);
    7589              : 
    7590          120 :   se->expr = fold_convert (result_type,
    7591              :                            build_call_expr_loc (input_location, func, 1, arg));
    7592              : }
    7593              : 
    7594              : 
    7595              : /* Process an intrinsic with unspecified argument-types that has an optional
    7596              :    argument (which could be of type character), e.g. EOSHIFT.  For those, we
    7597              :    need to append the string length of the optional argument if it is not
    7598              :    present and the type is really character.
    7599              :    primary specifies the position (starting at 1) of the non-optional argument
    7600              :    specifying the type and optional gives the position of the optional
    7601              :    argument in the arglist.  */
    7602              : 
    7603              : static void
    7604         5825 : conv_generic_with_optional_char_arg (gfc_se* se, gfc_expr* expr,
    7605              :                                      unsigned primary, unsigned optional)
    7606              : {
    7607         5825 :   gfc_actual_arglist* prim_arg;
    7608         5825 :   gfc_actual_arglist* opt_arg;
    7609         5825 :   unsigned cur_pos;
    7610         5825 :   gfc_actual_arglist* arg;
    7611         5825 :   gfc_symbol* sym;
    7612         5825 :   vec<tree, va_gc> *append_args;
    7613              : 
    7614              :   /* Find the two arguments given as position.  */
    7615         5825 :   cur_pos = 0;
    7616         5825 :   prim_arg = NULL;
    7617         5825 :   opt_arg = NULL;
    7618        17475 :   for (arg = expr->value.function.actual; arg; arg = arg->next)
    7619              :     {
    7620        17475 :       ++cur_pos;
    7621              : 
    7622        17475 :       if (cur_pos == primary)
    7623         5825 :         prim_arg = arg;
    7624        17475 :       if (cur_pos == optional)
    7625         5825 :         opt_arg = arg;
    7626              : 
    7627        17475 :       if (cur_pos >= primary && cur_pos >= optional)
    7628              :         break;
    7629              :     }
    7630         5825 :   gcc_assert (prim_arg);
    7631         5825 :   gcc_assert (prim_arg->expr);
    7632         5825 :   gcc_assert (opt_arg);
    7633              : 
    7634              :   /* If we do have type CHARACTER and the optional argument is really absent,
    7635              :      append a dummy 0 as string length.  */
    7636         5825 :   append_args = NULL;
    7637         5825 :   if (prim_arg->expr->ts.type == BT_CHARACTER && !opt_arg->expr)
    7638              :     {
    7639          608 :       tree dummy;
    7640              : 
    7641          608 :       dummy = build_int_cst (gfc_charlen_type_node, 0);
    7642          608 :       vec_alloc (append_args, 1);
    7643          608 :       append_args->quick_push (dummy);
    7644              :     }
    7645              : 
    7646              :   /* Build the call itself.  */
    7647         5825 :   gcc_assert (!se->ignore_optional);
    7648         5825 :   sym = gfc_get_symbol_for_expr (expr, false);
    7649         5825 :   gfc_conv_procedure_call (se, sym, expr->value.function.actual, expr,
    7650              :                           append_args);
    7651         5825 :   gfc_free_symbol (sym);
    7652         5825 : }
    7653              : 
    7654              : /* The length of a character string.  */
    7655              : static void
    7656         5765 : gfc_conv_intrinsic_len (gfc_se * se, gfc_expr * expr)
    7657              : {
    7658         5765 :   tree len;
    7659         5765 :   tree type;
    7660         5765 :   tree decl;
    7661         5765 :   gfc_symbol *sym;
    7662         5765 :   gfc_se argse;
    7663         5765 :   gfc_expr *arg;
    7664              : 
    7665         5765 :   gcc_assert (!se->ss);
    7666              : 
    7667         5765 :   arg = expr->value.function.actual->expr;
    7668              : 
    7669         5765 :   type = gfc_typenode_for_spec (&expr->ts);
    7670         5765 :   switch (arg->expr_type)
    7671              :     {
    7672            0 :     case EXPR_CONSTANT:
    7673            0 :       len = build_int_cst (gfc_charlen_type_node, arg->value.character.length);
    7674            0 :       break;
    7675              : 
    7676            2 :     case EXPR_ARRAY:
    7677              :       /* If there is an explicit type-spec, use it.  */
    7678            2 :       if (arg->ts.u.cl->length && arg->ts.u.cl->length_from_typespec)
    7679              :         {
    7680            0 :           gfc_conv_string_length (arg->ts.u.cl, arg, &se->pre);
    7681            0 :           len = arg->ts.u.cl->backend_decl;
    7682            0 :           break;
    7683              :         }
    7684              : 
    7685              :       /* Obtain the string length from the function used by
    7686              :          trans-array.cc(gfc_trans_array_constructor).  */
    7687            2 :       len = NULL_TREE;
    7688            2 :       get_array_ctor_strlen (&se->pre, arg->value.constructor, &len);
    7689            2 :       break;
    7690              : 
    7691         5178 :     case EXPR_VARIABLE:
    7692         5178 :       if (arg->ref == NULL
    7693         2385 :             || (arg->ref->next == NULL && arg->ref->type == REF_ARRAY))
    7694              :         {
    7695              :           /* This doesn't catch all cases.
    7696              :              See http://gcc.gnu.org/ml/fortran/2004-06/msg00165.html
    7697              :              and the surrounding thread.  */
    7698         4646 :           sym = arg->symtree->n.sym;
    7699         4646 :           decl = gfc_get_symbol_decl (sym);
    7700         4646 :           if (decl == current_function_decl && sym->attr.function
    7701           55 :                 && (sym->result == sym))
    7702           55 :             decl = gfc_get_fake_result_decl (sym, 0);
    7703              : 
    7704         4646 :           len = sym->ts.u.cl->backend_decl;
    7705         4646 :           gcc_assert (len);
    7706              :           break;
    7707              :         }
    7708              : 
    7709              :       /* Fall through.  */
    7710              : 
    7711         1117 :     default:
    7712         1117 :       gfc_init_se (&argse, se);
    7713         1117 :       if (arg->rank == 0)
    7714          995 :         gfc_conv_expr (&argse, arg);
    7715              :       else
    7716          122 :         gfc_conv_expr_descriptor (&argse, arg);
    7717         1117 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    7718         1117 :       gfc_add_block_to_block (&se->post, &argse.post);
    7719         1117 :       len = argse.string_length;
    7720         1117 :       break;
    7721              :     }
    7722         5765 :   se->expr = convert (type, len);
    7723         5765 : }
    7724              : 
    7725              : /* The length of a character string not including trailing blanks.  */
    7726              : static void
    7727         2333 : gfc_conv_intrinsic_len_trim (gfc_se * se, gfc_expr * expr)
    7728              : {
    7729         2333 :   int kind = expr->value.function.actual->expr->ts.kind;
    7730         2333 :   tree args[2], type, fndecl;
    7731              : 
    7732         2333 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    7733         2333 :   type = gfc_typenode_for_spec (&expr->ts);
    7734              : 
    7735         2333 :   if (kind == 1)
    7736         1931 :     fndecl = gfor_fndecl_string_len_trim;
    7737          402 :   else if (kind == 4)
    7738          402 :     fndecl = gfor_fndecl_string_len_trim_char4;
    7739              :   else
    7740            0 :     gcc_unreachable ();
    7741              : 
    7742         2333 :   se->expr = build_call_expr_loc (input_location,
    7743              :                               fndecl, 2, args[0], args[1]);
    7744         2333 :   se->expr = convert (type, se->expr);
    7745         2333 : }
    7746              : 
    7747              : 
    7748              : /* Returns the starting position of a substring within a string.  */
    7749              : 
    7750              : static void
    7751          751 : gfc_conv_intrinsic_index_scan_verify (gfc_se * se, gfc_expr * expr,
    7752              :                                       tree function)
    7753              : {
    7754          751 :   tree logical4_type_node = gfc_get_logical_type (4);
    7755          751 :   tree type;
    7756          751 :   tree fndecl;
    7757          751 :   tree *args;
    7758          751 :   unsigned int num_args;
    7759              : 
    7760          751 :   args = XALLOCAVEC (tree, 5);
    7761              : 
    7762              :   /* Get number of arguments; characters count double due to the
    7763              :      string length argument. Kind= is not passed to the library
    7764              :      and thus ignored.  */
    7765          751 :   if (expr->value.function.actual->next->next->expr == NULL)
    7766              :     num_args = 4;
    7767              :   else
    7768          304 :     num_args = 5;
    7769              : 
    7770          751 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
    7771          751 :   type = gfc_typenode_for_spec (&expr->ts);
    7772              : 
    7773          751 :   if (num_args == 4)
    7774          447 :     args[4] = build_int_cst (logical4_type_node, 0);
    7775              :   else
    7776          304 :     args[4] = convert (logical4_type_node, args[4]);
    7777              : 
    7778          751 :   fndecl = build_addr (function);
    7779          751 :   se->expr = build_call_array_loc (input_location,
    7780          751 :                                TREE_TYPE (TREE_TYPE (function)), fndecl,
    7781              :                                5, args);
    7782          751 :   se->expr = convert (type, se->expr);
    7783              : 
    7784          751 : }
    7785              : 
    7786              : /* The ascii value for a single character.  */
    7787              : static void
    7788         2033 : gfc_conv_intrinsic_ichar (gfc_se * se, gfc_expr * expr)
    7789              : {
    7790         2033 :   tree args[3], type, pchartype;
    7791         2033 :   int nargs;
    7792              : 
    7793         2033 :   nargs = gfc_intrinsic_argument_list_length (expr);
    7794         2033 :   gfc_conv_intrinsic_function_args (se, expr, args, nargs);
    7795         2033 :   gcc_assert (POINTER_TYPE_P (TREE_TYPE (args[1])));
    7796         2033 :   pchartype = gfc_get_pchar_type (expr->value.function.actual->expr->ts.kind);
    7797         2033 :   args[1] = fold_build1_loc (input_location, NOP_EXPR, pchartype, args[1]);
    7798         2033 :   type = gfc_typenode_for_spec (&expr->ts);
    7799              : 
    7800         2033 :   se->expr = build_fold_indirect_ref_loc (input_location,
    7801              :                                       args[1]);
    7802         2033 :   se->expr = convert (type, se->expr);
    7803         2033 : }
    7804              : 
    7805              : 
    7806              : /* Intrinsic ISNAN calls __builtin_isnan.  */
    7807              : 
    7808              : static void
    7809          432 : gfc_conv_intrinsic_isnan (gfc_se * se, gfc_expr * expr)
    7810              : {
    7811          432 :   tree arg;
    7812              : 
    7813          432 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    7814          432 :   se->expr = build_call_expr_loc (input_location,
    7815              :                                   builtin_decl_explicit (BUILT_IN_ISNAN),
    7816              :                                   1, arg);
    7817          864 :   STRIP_TYPE_NOPS (se->expr);
    7818          432 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), se->expr);
    7819          432 : }
    7820              : 
    7821              : 
    7822              : /* Intrinsics IS_IOSTAT_END and IS_IOSTAT_EOR just need to compare
    7823              :    their argument against a constant integer value.  */
    7824              : 
    7825              : static void
    7826           24 : gfc_conv_has_intvalue (gfc_se * se, gfc_expr * expr, const int value)
    7827              : {
    7828           24 :   tree arg;
    7829              : 
    7830           24 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    7831           24 :   se->expr = fold_build2_loc (input_location, EQ_EXPR,
    7832              :                               gfc_typenode_for_spec (&expr->ts),
    7833           24 :                               arg, build_int_cst (TREE_TYPE (arg), value));
    7834           24 : }
    7835              : 
    7836              : 
    7837              : 
    7838              : /* MERGE (tsource, fsource, mask) = mask ? tsource : fsource.  */
    7839              : 
    7840              : static void
    7841          949 : gfc_conv_intrinsic_merge (gfc_se * se, gfc_expr * expr)
    7842              : {
    7843          949 :   tree tsource;
    7844          949 :   tree fsource;
    7845          949 :   tree mask;
    7846          949 :   tree type;
    7847          949 :   tree len, len2;
    7848          949 :   tree *args;
    7849          949 :   unsigned int num_args;
    7850              : 
    7851          949 :   num_args = gfc_intrinsic_argument_list_length (expr);
    7852          949 :   args = XALLOCAVEC (tree, num_args);
    7853              : 
    7854          949 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
    7855          949 :   if (expr->ts.type != BT_CHARACTER)
    7856              :     {
    7857          422 :       tsource = args[0];
    7858          422 :       fsource = args[1];
    7859          422 :       mask = args[2];
    7860              :     }
    7861              :   else
    7862              :     {
    7863              :       /* We do the same as in the non-character case, but the argument
    7864              :          list is different because of the string length arguments. We
    7865              :          also have to set the string length for the result.  */
    7866          527 :       len = args[0];
    7867          527 :       tsource = args[1];
    7868          527 :       len2 = args[2];
    7869          527 :       fsource = args[3];
    7870          527 :       mask = args[4];
    7871              : 
    7872          527 :       gfc_trans_same_strlen_check ("MERGE intrinsic", &expr->where, len, len2,
    7873              :                                    &se->pre);
    7874          527 :       se->string_length = len;
    7875              :     }
    7876          949 :   tsource = gfc_evaluate_now (tsource, &se->pre);
    7877          949 :   fsource = gfc_evaluate_now (fsource, &se->pre);
    7878          949 :   mask = gfc_evaluate_now (mask, &se->pre);
    7879          949 :   type = TREE_TYPE (tsource);
    7880          949 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, mask, tsource,
    7881              :                               fold_convert (type, fsource));
    7882          949 : }
    7883              : 
    7884              : 
    7885              : /* MERGE_BITS (I, J, MASK) = (I & MASK) | (I & (~MASK)).  */
    7886              : 
    7887              : static void
    7888           42 : gfc_conv_intrinsic_merge_bits (gfc_se * se, gfc_expr * expr)
    7889              : {
    7890           42 :   tree args[3], mask, type;
    7891              : 
    7892           42 :   gfc_conv_intrinsic_function_args (se, expr, args, 3);
    7893           42 :   mask = gfc_evaluate_now (args[2], &se->pre);
    7894              : 
    7895           42 :   type = TREE_TYPE (args[0]);
    7896           42 :   gcc_assert (TREE_TYPE (args[1]) == type);
    7897           42 :   gcc_assert (TREE_TYPE (mask) == type);
    7898              : 
    7899           42 :   args[0] = fold_build2_loc (input_location, BIT_AND_EXPR, type, args[0], mask);
    7900           42 :   args[1] = fold_build2_loc (input_location, BIT_AND_EXPR, type, args[1],
    7901              :                              fold_build1_loc (input_location, BIT_NOT_EXPR,
    7902              :                                               type, mask));
    7903           42 :   se->expr = fold_build2_loc (input_location, BIT_IOR_EXPR, type,
    7904              :                               args[0], args[1]);
    7905           42 : }
    7906              : 
    7907              : 
    7908              : /* MASKL(n)  =  n == 0 ? 0 : (~0) << (BIT_SIZE - n)
    7909              :    MASKR(n)  =  n == BIT_SIZE ? ~0 : ~((~0) << n)  */
    7910              : 
    7911              : static void
    7912           64 : gfc_conv_intrinsic_mask (gfc_se * se, gfc_expr * expr, int left)
    7913              : {
    7914           64 :   tree arg, allones, type, utype, res, cond, bitsize;
    7915           64 :   int i;
    7916              : 
    7917           64 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    7918           64 :   arg = gfc_evaluate_now (arg, &se->pre);
    7919              : 
    7920           64 :   type = gfc_get_int_type (expr->ts.kind);
    7921           64 :   utype = unsigned_type_for (type);
    7922              : 
    7923           64 :   i = gfc_validate_kind (BT_INTEGER, expr->ts.kind, false);
    7924           64 :   bitsize = build_int_cst (TREE_TYPE (arg), gfc_integer_kinds[i].bit_size);
    7925              : 
    7926           64 :   allones = fold_build1_loc (input_location, BIT_NOT_EXPR, utype,
    7927              :                              build_int_cst (utype, 0));
    7928              : 
    7929           64 :   if (left)
    7930              :     {
    7931              :       /* Left-justified mask.  */
    7932           32 :       res = fold_build2_loc (input_location, MINUS_EXPR, TREE_TYPE (arg),
    7933              :                              bitsize, arg);
    7934           32 :       res = fold_build2_loc (input_location, LSHIFT_EXPR, utype, allones,
    7935              :                              fold_convert (utype, res));
    7936              : 
    7937              :       /* Special case arg == 0, because SHIFT_EXPR wants a shift strictly
    7938              :          smaller than type width.  */
    7939           32 :       cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, arg,
    7940           32 :                               build_int_cst (TREE_TYPE (arg), 0));
    7941           32 :       res = fold_build3_loc (input_location, COND_EXPR, utype, cond,
    7942              :                              build_int_cst (utype, 0), res);
    7943              :     }
    7944              :   else
    7945              :     {
    7946              :       /* Right-justified mask.  */
    7947           32 :       res = fold_build2_loc (input_location, LSHIFT_EXPR, utype, allones,
    7948              :                              fold_convert (utype, arg));
    7949           32 :       res = fold_build1_loc (input_location, BIT_NOT_EXPR, utype, res);
    7950              : 
    7951              :       /* Special case agr == bit_size, because SHIFT_EXPR wants a shift
    7952              :          strictly smaller than type width.  */
    7953           32 :       cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    7954              :                               arg, bitsize);
    7955           32 :       res = fold_build3_loc (input_location, COND_EXPR, utype,
    7956              :                              cond, allones, res);
    7957              :     }
    7958              : 
    7959           64 :   se->expr = fold_convert (type, res);
    7960           64 : }
    7961              : 
    7962              : 
    7963              : /* FRACTION (s) is translated into:
    7964              :      isfinite (s) ? frexp (s, &dummy_int) : NaN  */
    7965              : static void
    7966           60 : gfc_conv_intrinsic_fraction (gfc_se * se, gfc_expr * expr)
    7967              : {
    7968           60 :   tree arg, type, tmp, res, frexp, cond;
    7969              : 
    7970           60 :   frexp = gfc_builtin_decl_for_float_kind (BUILT_IN_FREXP, expr->ts.kind);
    7971              : 
    7972           60 :   type = gfc_typenode_for_spec (&expr->ts);
    7973           60 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    7974           60 :   arg = gfc_evaluate_now (arg, &se->pre);
    7975              : 
    7976           60 :   cond = build_call_expr_loc (input_location,
    7977              :                               builtin_decl_explicit (BUILT_IN_ISFINITE),
    7978              :                               1, arg);
    7979              : 
    7980           60 :   tmp = gfc_create_var (integer_type_node, NULL);
    7981           60 :   res = build_call_expr_loc (input_location, frexp, 2,
    7982              :                              fold_convert (type, arg),
    7983              :                              gfc_build_addr_expr (NULL_TREE, tmp));
    7984           60 :   res = fold_convert (type, res);
    7985              : 
    7986           60 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type,
    7987              :                               cond, res, gfc_build_nan (type, ""));
    7988           60 : }
    7989              : 
    7990              : 
    7991              : /* NEAREST (s, dir) is translated into
    7992              :      tmp = copysign (HUGE_VAL, dir);
    7993              :      return nextafter (s, tmp);
    7994              :  */
    7995              : static void
    7996         1595 : gfc_conv_intrinsic_nearest (gfc_se * se, gfc_expr * expr)
    7997              : {
    7998         1595 :   tree args[2], type, tmp, nextafter, copysign, huge_val;
    7999              : 
    8000         1595 :   nextafter = gfc_builtin_decl_for_float_kind (BUILT_IN_NEXTAFTER, expr->ts.kind);
    8001         1595 :   copysign = gfc_builtin_decl_for_float_kind (BUILT_IN_COPYSIGN, expr->ts.kind);
    8002              : 
    8003         1595 :   type = gfc_typenode_for_spec (&expr->ts);
    8004         1595 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    8005              : 
    8006         1595 :   huge_val = gfc_build_inf_or_huge (type, expr->ts.kind);
    8007         1595 :   tmp = build_call_expr_loc (input_location, copysign, 2, huge_val,
    8008              :                              fold_convert (type, args[1]));
    8009         1595 :   se->expr = build_call_expr_loc (input_location, nextafter, 2,
    8010              :                                   fold_convert (type, args[0]), tmp);
    8011         1595 :   se->expr = fold_convert (type, se->expr);
    8012         1595 : }
    8013              : 
    8014              : 
    8015              : /* SPACING (s) is translated into
    8016              :     int e;
    8017              :     if (!isfinite (s))
    8018              :       res = NaN;
    8019              :     else if (s == 0)
    8020              :       res = tiny;
    8021              :     else
    8022              :     {
    8023              :       frexp (s, &e);
    8024              :       e = e - prec;
    8025              :       e = MAX_EXPR (e, emin);
    8026              :       res = scalbn (1., e);
    8027              :     }
    8028              :     return res;
    8029              : 
    8030              :  where prec is the precision of s, gfc_real_kinds[k].digits,
    8031              :        emin is min_exponent - 1, gfc_real_kinds[k].min_exponent - 1,
    8032              :    and tiny is tiny(s), gfc_real_kinds[k].tiny.  */
    8033              : 
    8034              : static void
    8035           70 : gfc_conv_intrinsic_spacing (gfc_se * se, gfc_expr * expr)
    8036              : {
    8037           70 :   tree arg, type, prec, emin, tiny, res, e;
    8038           70 :   tree cond, nan, tmp, frexp, scalbn;
    8039           70 :   int k;
    8040           70 :   stmtblock_t block;
    8041              : 
    8042           70 :   k = gfc_validate_kind (BT_REAL, expr->ts.kind, false);
    8043           70 :   prec = build_int_cst (integer_type_node, gfc_real_kinds[k].digits);
    8044           70 :   emin = build_int_cst (integer_type_node, gfc_real_kinds[k].min_exponent - 1);
    8045           70 :   tiny = gfc_conv_mpfr_to_tree (gfc_real_kinds[k].tiny, expr->ts.kind, 0);
    8046              : 
    8047           70 :   frexp = gfc_builtin_decl_for_float_kind (BUILT_IN_FREXP, expr->ts.kind);
    8048           70 :   scalbn = gfc_builtin_decl_for_float_kind (BUILT_IN_SCALBN, expr->ts.kind);
    8049              : 
    8050           70 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    8051           70 :   arg = gfc_evaluate_now (arg, &se->pre);
    8052              : 
    8053           70 :   type = gfc_typenode_for_spec (&expr->ts);
    8054           70 :   e = gfc_create_var (integer_type_node, NULL);
    8055           70 :   res = gfc_create_var (type, NULL);
    8056              : 
    8057              : 
    8058              :   /* Build the block for s /= 0.  */
    8059           70 :   gfc_start_block (&block);
    8060           70 :   tmp = build_call_expr_loc (input_location, frexp, 2, arg,
    8061              :                              gfc_build_addr_expr (NULL_TREE, e));
    8062           70 :   gfc_add_expr_to_block (&block, tmp);
    8063              : 
    8064           70 :   tmp = fold_build2_loc (input_location, MINUS_EXPR, integer_type_node, e,
    8065              :                          prec);
    8066           70 :   gfc_add_modify (&block, e, fold_build2_loc (input_location, MAX_EXPR,
    8067              :                                               integer_type_node, tmp, emin));
    8068              : 
    8069           70 :   tmp = build_call_expr_loc (input_location, scalbn, 2,
    8070           70 :                          build_real_from_int_cst (type, integer_one_node), e);
    8071           70 :   gfc_add_modify (&block, res, tmp);
    8072              : 
    8073              :   /* Finish by building the IF statement for value zero.  */
    8074           70 :   cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, arg,
    8075           70 :                           build_real_from_int_cst (type, integer_zero_node));
    8076           70 :   tmp = build3_v (COND_EXPR, cond, build2_v (MODIFY_EXPR, res, tiny),
    8077              :                   gfc_finish_block (&block));
    8078              : 
    8079              :   /* And deal with infinities and NaNs.  */
    8080           70 :   cond = build_call_expr_loc (input_location,
    8081              :                               builtin_decl_explicit (BUILT_IN_ISFINITE),
    8082              :                               1, arg);
    8083           70 :   nan = gfc_build_nan (type, "");
    8084           70 :   tmp = build3_v (COND_EXPR, cond, tmp, build2_v (MODIFY_EXPR, res, nan));
    8085              : 
    8086           70 :   gfc_add_expr_to_block (&se->pre, tmp);
    8087           70 :   se->expr = res;
    8088           70 : }
    8089              : 
    8090              : 
    8091              : /* RRSPACING (s) is translated into
    8092              :       int e;
    8093              :       real x;
    8094              :       x = fabs (s);
    8095              :       if (isfinite (x))
    8096              :       {
    8097              :         if (x != 0)
    8098              :         {
    8099              :           frexp (s, &e);
    8100              :           x = scalbn (x, precision - e);
    8101              :         }
    8102              :       }
    8103              :       else
    8104              :         x = NaN;
    8105              :       return x;
    8106              : 
    8107              :  where precision is gfc_real_kinds[k].digits.  */
    8108              : 
    8109              : static void
    8110           48 : gfc_conv_intrinsic_rrspacing (gfc_se * se, gfc_expr * expr)
    8111              : {
    8112           48 :   tree arg, type, e, x, cond, nan, stmt, tmp, frexp, scalbn, fabs;
    8113           48 :   int prec, k;
    8114           48 :   stmtblock_t block;
    8115              : 
    8116           48 :   k = gfc_validate_kind (BT_REAL, expr->ts.kind, false);
    8117           48 :   prec = gfc_real_kinds[k].digits;
    8118              : 
    8119           48 :   frexp = gfc_builtin_decl_for_float_kind (BUILT_IN_FREXP, expr->ts.kind);
    8120           48 :   scalbn = gfc_builtin_decl_for_float_kind (BUILT_IN_SCALBN, expr->ts.kind);
    8121           48 :   fabs = gfc_builtin_decl_for_float_kind (BUILT_IN_FABS, expr->ts.kind);
    8122              : 
    8123           48 :   type = gfc_typenode_for_spec (&expr->ts);
    8124           48 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    8125           48 :   arg = gfc_evaluate_now (arg, &se->pre);
    8126              : 
    8127           48 :   e = gfc_create_var (integer_type_node, NULL);
    8128           48 :   x = gfc_create_var (type, NULL);
    8129           48 :   gfc_add_modify (&se->pre, x,
    8130              :                   build_call_expr_loc (input_location, fabs, 1, arg));
    8131              : 
    8132              : 
    8133           48 :   gfc_start_block (&block);
    8134           48 :   tmp = build_call_expr_loc (input_location, frexp, 2, arg,
    8135              :                              gfc_build_addr_expr (NULL_TREE, e));
    8136           48 :   gfc_add_expr_to_block (&block, tmp);
    8137              : 
    8138           48 :   tmp = fold_build2_loc (input_location, MINUS_EXPR, integer_type_node,
    8139           48 :                          build_int_cst (integer_type_node, prec), e);
    8140           48 :   tmp = build_call_expr_loc (input_location, scalbn, 2, x, tmp);
    8141           48 :   gfc_add_modify (&block, x, tmp);
    8142           48 :   stmt = gfc_finish_block (&block);
    8143              : 
    8144              :   /* if (x != 0) */
    8145           48 :   cond = fold_build2_loc (input_location, NE_EXPR, logical_type_node, x,
    8146           48 :                           build_real_from_int_cst (type, integer_zero_node));
    8147           48 :   tmp = build3_v (COND_EXPR, cond, stmt, build_empty_stmt (input_location));
    8148              : 
    8149              :   /* And deal with infinities and NaNs.  */
    8150           48 :   cond = build_call_expr_loc (input_location,
    8151              :                               builtin_decl_explicit (BUILT_IN_ISFINITE),
    8152              :                               1, x);
    8153           48 :   nan = gfc_build_nan (type, "");
    8154           48 :   tmp = build3_v (COND_EXPR, cond, tmp, build2_v (MODIFY_EXPR, x, nan));
    8155              : 
    8156           48 :   gfc_add_expr_to_block (&se->pre, tmp);
    8157           48 :   se->expr = fold_convert (type, x);
    8158           48 : }
    8159              : 
    8160              : 
    8161              : /* SCALE (s, i) is translated into scalbn (s, i).  */
    8162              : static void
    8163           72 : gfc_conv_intrinsic_scale (gfc_se * se, gfc_expr * expr)
    8164              : {
    8165           72 :   tree args[2], type, scalbn;
    8166              : 
    8167           72 :   scalbn = gfc_builtin_decl_for_float_kind (BUILT_IN_SCALBN, expr->ts.kind);
    8168              : 
    8169           72 :   type = gfc_typenode_for_spec (&expr->ts);
    8170           72 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    8171           72 :   se->expr = build_call_expr_loc (input_location, scalbn, 2,
    8172              :                                   fold_convert (type, args[0]),
    8173              :                                   fold_convert (integer_type_node, args[1]));
    8174           72 :   se->expr = fold_convert (type, se->expr);
    8175           72 : }
    8176              : 
    8177              : 
    8178              : /* SET_EXPONENT (s, i) is translated into
    8179              :    isfinite(s) ? scalbn (frexp (s, &dummy_int), i) : NaN  */
    8180              : static void
    8181          262 : gfc_conv_intrinsic_set_exponent (gfc_se * se, gfc_expr * expr)
    8182              : {
    8183          262 :   tree args[2], type, tmp, frexp, scalbn, cond, nan, res;
    8184              : 
    8185          262 :   frexp = gfc_builtin_decl_for_float_kind (BUILT_IN_FREXP, expr->ts.kind);
    8186          262 :   scalbn = gfc_builtin_decl_for_float_kind (BUILT_IN_SCALBN, expr->ts.kind);
    8187              : 
    8188          262 :   type = gfc_typenode_for_spec (&expr->ts);
    8189          262 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    8190          262 :   args[0] = gfc_evaluate_now (args[0], &se->pre);
    8191              : 
    8192          262 :   tmp = gfc_create_var (integer_type_node, NULL);
    8193          262 :   tmp = build_call_expr_loc (input_location, frexp, 2,
    8194              :                              fold_convert (type, args[0]),
    8195              :                              gfc_build_addr_expr (NULL_TREE, tmp));
    8196          262 :   res = build_call_expr_loc (input_location, scalbn, 2, tmp,
    8197              :                              fold_convert (integer_type_node, args[1]));
    8198          262 :   res = fold_convert (type, res);
    8199              : 
    8200              :   /* Call to isfinite */
    8201          262 :   cond = build_call_expr_loc (input_location,
    8202              :                               builtin_decl_explicit (BUILT_IN_ISFINITE),
    8203              :                               1, args[0]);
    8204          262 :   nan = gfc_build_nan (type, "");
    8205              : 
    8206          262 :   se->expr = fold_build3_loc (input_location, COND_EXPR, type, cond,
    8207              :                               res, nan);
    8208          262 : }
    8209              : 
    8210              : 
    8211              : static void
    8212        15020 : gfc_conv_intrinsic_size (gfc_se * se, gfc_expr * expr)
    8213              : {
    8214        15020 :   gfc_actual_arglist *actual;
    8215        15020 :   tree arg1;
    8216        15020 :   tree type;
    8217        15020 :   tree size;
    8218        15020 :   gfc_se argse;
    8219        15020 :   gfc_expr *e;
    8220        15020 :   gfc_symbol *sym = NULL;
    8221              : 
    8222        15020 :   gfc_init_se (&argse, NULL);
    8223        15020 :   actual = expr->value.function.actual;
    8224              : 
    8225        15020 :   if (actual->expr->ts.type == BT_CLASS)
    8226          579 :     gfc_add_class_array_ref (actual->expr);
    8227              : 
    8228        15020 :   e = actual->expr;
    8229              : 
    8230              :   /* These are emerging from the interface mapping, when a class valued
    8231              :      function appears as the rhs in a realloc on assign statement, where
    8232              :      the size of the result is that of one of the actual arguments.  */
    8233        15020 :   if (e->expr_type == EXPR_VARIABLE
    8234        14544 :       && e->symtree->n.sym->ns == NULL /* This is distinctive!  */
    8235          555 :       && e->symtree->n.sym->ts.type == BT_CLASS
    8236           44 :       && e->ref && e->ref->type == REF_COMPONENT
    8237           26 :       && strcmp (e->ref->u.c.component->name, "_data") == 0)
    8238        15020 :     sym = e->symtree->n.sym;
    8239              : 
    8240        15020 :   if ((gfc_option.rtcheck & GFC_RTCHECK_POINTER)
    8241              :       && e
    8242          854 :       && (e->expr_type == EXPR_VARIABLE || e->expr_type == EXPR_FUNCTION))
    8243              :     {
    8244          854 :       symbol_attribute attr;
    8245          854 :       char *msg;
    8246          854 :       tree temp;
    8247          854 :       tree cond;
    8248              : 
    8249          854 :       if (e->symtree->n.sym && IS_CLASS_ARRAY (e->symtree->n.sym))
    8250              :         {
    8251           33 :           attr = CLASS_DATA (e->symtree->n.sym)->attr;
    8252           33 :           attr.pointer = attr.class_pointer;
    8253              :         }
    8254              :       else
    8255          821 :         attr = gfc_expr_attr (e);
    8256              : 
    8257          854 :       if (attr.allocatable)
    8258          100 :         msg = xasprintf ("Allocatable argument '%s' is not allocated",
    8259          100 :                          e->symtree->n.sym->name);
    8260          754 :       else if (attr.pointer)
    8261           46 :         msg = xasprintf ("Pointer argument '%s' is not associated",
    8262           46 :                          e->symtree->n.sym->name);
    8263              :       else
    8264          708 :         goto end_arg_check;
    8265              : 
    8266          146 :       if (sym)
    8267              :         {
    8268            0 :           temp = gfc_class_data_get (sym->backend_decl);
    8269            0 :           temp = gfc_conv_descriptor_data_get (temp);
    8270              :         }
    8271              :       else
    8272              :         {
    8273          146 :           argse.descriptor_only = 1;
    8274          146 :           gfc_conv_expr_descriptor (&argse, actual->expr);
    8275          146 :           temp = gfc_conv_descriptor_data_get (argse.expr);
    8276              :         }
    8277              : 
    8278          146 :       cond = fold_build2_loc (input_location, EQ_EXPR,
    8279              :                               logical_type_node, temp,
    8280          146 :                               fold_convert (TREE_TYPE (temp),
    8281              :                                             null_pointer_node));
    8282          146 :       gfc_trans_runtime_check (true, false, cond, &argse.pre, &e->where, msg);
    8283              : 
    8284          146 :       free (msg);
    8285              :     }
    8286        14166 :  end_arg_check:
    8287              : 
    8288        15020 :   argse.data_not_needed = 1;
    8289        15020 :   if (gfc_is_class_array_function (e))
    8290              :     {
    8291              :       /* For functions that return a class array conv_expr_descriptor is not
    8292              :          able to get the descriptor right.  Therefore this special case.  */
    8293            7 :       gfc_conv_expr_reference (&argse, e);
    8294            7 :       argse.expr = gfc_class_data_get (argse.expr);
    8295              :     }
    8296        15013 :   else if (sym && sym->backend_decl)
    8297              :     {
    8298           14 :       gcc_assert (GFC_CLASS_TYPE_P (TREE_TYPE (sym->backend_decl)));
    8299           14 :       argse.expr = gfc_class_data_get (sym->backend_decl);
    8300              :     }
    8301              :   else
    8302        14999 :     gfc_conv_expr_descriptor (&argse, actual->expr);
    8303        15020 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    8304        15020 :   gfc_add_block_to_block (&se->post, &argse.post);
    8305        15020 :   arg1 = argse.expr;
    8306              : 
    8307        15020 :   actual = actual->next;
    8308        15020 :   if (actual->expr)
    8309              :     {
    8310         8970 :       stmtblock_t block;
    8311         8970 :       gfc_init_block (&block);
    8312         8970 :       gfc_init_se (&argse, NULL);
    8313         8970 :       gfc_conv_expr_type (&argse, actual->expr,
    8314              :                           gfc_array_index_type);
    8315         8970 :       gfc_add_block_to_block (&block, &argse.pre);
    8316         8970 :       tree tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
    8317              :                              argse.expr, gfc_index_one_node);
    8318         8970 :       size = gfc_tree_array_size (&block, arg1, e, tmp);
    8319              : 
    8320              :       /* Unusually, for an intrinsic, size does not exclude
    8321              :          an optional arg2, so we must test for it.  */
    8322         8970 :       if (actual->expr->expr_type == EXPR_VARIABLE
    8323         2335 :             && actual->expr->symtree->n.sym->attr.dummy
    8324           31 :             && actual->expr->symtree->n.sym->attr.optional)
    8325              :         {
    8326           31 :           tree cond;
    8327           31 :           stmtblock_t block2;
    8328           31 :           gfc_init_block (&block2);
    8329           31 :           gfc_init_se (&argse, NULL);
    8330           31 :           argse.want_pointer = 1;
    8331           31 :           argse.data_not_needed = 1;
    8332           31 :           gfc_conv_expr (&argse, actual->expr);
    8333           31 :           gfc_add_block_to_block (&se->pre, &argse.pre);
    8334              :           /* 'block2' contains the arg2 absent case, 'block' the arg2 present
    8335              :               case; size_var can be used in both blocks. */
    8336           31 :           tree size_var = gfc_create_var (TREE_TYPE (size), "size");
    8337           31 :           tmp = fold_build2_loc (input_location, MODIFY_EXPR,
    8338           31 :                                  TREE_TYPE (size_var), size_var, size);
    8339           31 :           gfc_add_expr_to_block (&block, tmp);
    8340           31 :           size = gfc_tree_array_size (&block2, arg1, e, NULL_TREE);
    8341           31 :           tmp = fold_build2_loc (input_location, MODIFY_EXPR,
    8342           31 :                                  TREE_TYPE (size_var), size_var, size);
    8343           31 :           gfc_add_expr_to_block (&block2, tmp);
    8344           31 :           cond = gfc_conv_expr_present (actual->expr->symtree->n.sym);
    8345           31 :           tmp = build3_v (COND_EXPR, cond, gfc_finish_block (&block),
    8346              :                           gfc_finish_block (&block2));
    8347           31 :           gfc_add_expr_to_block (&se->pre, tmp);
    8348           31 :           size = size_var;
    8349           31 :         }
    8350              :       else
    8351         8939 :         gfc_add_block_to_block (&se->pre, &block);
    8352              :     }
    8353              :   else
    8354         6050 :     size = gfc_tree_array_size (&se->pre, arg1, e, NULL_TREE);
    8355        15020 :   type = gfc_typenode_for_spec (&expr->ts);
    8356        15020 :   se->expr = convert (type, size);
    8357        15020 : }
    8358              : 
    8359              : 
    8360              : /* Helper function to compute the size of a character variable,
    8361              :    excluding the terminating null characters.  The result has
    8362              :    gfc_array_index_type type.  */
    8363              : 
    8364              : tree
    8365         1863 : size_of_string_in_bytes (int kind, tree string_length)
    8366              : {
    8367         1863 :   tree bytesize;
    8368         1863 :   int i = gfc_validate_kind (BT_CHARACTER, kind, false);
    8369              : 
    8370         3726 :   bytesize = build_int_cst (gfc_array_index_type,
    8371         1863 :                             gfc_character_kinds[i].bit_size / 8);
    8372              : 
    8373         1863 :   return fold_build2_loc (input_location, MULT_EXPR, gfc_array_index_type,
    8374              :                           bytesize,
    8375         1863 :                           fold_convert (gfc_array_index_type, string_length));
    8376              : }
    8377              : 
    8378              : 
    8379              : static void
    8380         1309 : gfc_conv_intrinsic_sizeof (gfc_se *se, gfc_expr *expr)
    8381              : {
    8382         1309 :   gfc_expr *arg;
    8383         1309 :   gfc_se argse;
    8384         1309 :   tree source_bytes;
    8385         1309 :   tree tmp;
    8386         1309 :   tree lower;
    8387         1309 :   tree upper;
    8388         1309 :   tree byte_size;
    8389         1309 :   tree field;
    8390         1309 :   int n;
    8391              : 
    8392         1309 :   gfc_init_se (&argse, NULL);
    8393         1309 :   arg = expr->value.function.actual->expr;
    8394              : 
    8395         1309 :   if (arg->rank || arg->ts.type == BT_ASSUMED)
    8396         1012 :     gfc_conv_expr_descriptor (&argse, arg);
    8397              :   else
    8398          297 :     gfc_conv_expr_reference (&argse, arg);
    8399              : 
    8400         1309 :   if (arg->ts.type == BT_ASSUMED)
    8401              :     {
    8402              :       /* This only works if an array descriptor has been passed; thus, extract
    8403              :          the size from the descriptor.  */
    8404          172 :       gcc_assert (TYPE_PRECISION (gfc_array_index_type)
    8405              :                   == TYPE_PRECISION (size_type_node));
    8406          172 :       tmp = arg->symtree->n.sym->backend_decl;
    8407          172 :       tmp = DECL_LANG_SPECIFIC (tmp)
    8408           60 :             && GFC_DECL_SAVED_DESCRIPTOR (tmp) != NULL_TREE
    8409          226 :             ? GFC_DECL_SAVED_DESCRIPTOR (tmp) : tmp;
    8410          172 :       if (POINTER_TYPE_P (TREE_TYPE (tmp)))
    8411          172 :         tmp = build_fold_indirect_ref_loc (input_location, tmp);
    8412              : 
    8413          172 :       tmp = gfc_conv_descriptor_dtype (tmp);
    8414          172 :       field = gfc_advance_chain (TYPE_FIELDS (get_dtype_type_node ()),
    8415              :                                  GFC_DTYPE_ELEM_LEN);
    8416          172 :       tmp = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (field),
    8417              :                              tmp, field, NULL_TREE);
    8418              : 
    8419          172 :       byte_size = fold_convert (gfc_array_index_type, tmp);
    8420              :     }
    8421         1137 :   else if (arg->ts.type == BT_CLASS)
    8422              :     {
    8423              :       /* Conv_expr_descriptor returns a component_ref to _data component of the
    8424              :          class object.  The class object may be a non-pointer object, e.g.
    8425              :          located on the stack, or a memory location pointed to, e.g. a
    8426              :          parameter, i.e., an indirect_ref.  */
    8427          959 :       if (POINTER_TYPE_P (TREE_TYPE (argse.expr))
    8428          589 :           && GFC_CLASS_TYPE_P (TREE_TYPE (TREE_TYPE (argse.expr))))
    8429          198 :         byte_size
    8430          198 :           = gfc_class_vtab_size_get (build_fold_indirect_ref (argse.expr));
    8431          391 :       else if (GFC_CLASS_TYPE_P (TREE_TYPE (argse.expr)))
    8432            0 :         byte_size = gfc_class_vtab_size_get (argse.expr);
    8433          391 :       else if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (argse.expr))
    8434          391 :                && TREE_CODE (argse.expr) == COMPONENT_REF)
    8435          328 :         byte_size = gfc_class_vtab_size_get (TREE_OPERAND (argse.expr, 0));
    8436           63 :       else if (arg->rank > 0
    8437           21 :                || (arg->rank == 0
    8438           21 :                    && arg->ref && arg->ref->type == REF_COMPONENT))
    8439              :         {
    8440              :           /* The scalarizer added an additional temp.  To get the class' vptr
    8441              :              one has to look at the original backend_decl.  */
    8442           63 :           if (argse.class_container)
    8443           21 :             byte_size = gfc_class_vtab_size_get (argse.class_container);
    8444           42 :           else if (DECL_LANG_SPECIFIC (arg->symtree->n.sym->backend_decl))
    8445           84 :             byte_size = gfc_class_vtab_size_get (
    8446           42 :               GFC_DECL_SAVED_DESCRIPTOR (arg->symtree->n.sym->backend_decl));
    8447              :           else
    8448            0 :             gcc_unreachable ();
    8449              :         }
    8450              :       else
    8451            0 :         gcc_unreachable ();
    8452              :     }
    8453              :   else
    8454              :     {
    8455          548 :       if (arg->ts.type == BT_CHARACTER)
    8456           84 :         byte_size = size_of_string_in_bytes (arg->ts.kind, argse.string_length);
    8457              :       else
    8458              :         {
    8459          464 :           if (arg->rank == 0)
    8460            0 :             byte_size = TREE_TYPE (build_fold_indirect_ref_loc (input_location,
    8461              :                                                                 argse.expr));
    8462              :           else
    8463          464 :             byte_size = gfc_get_element_type (TREE_TYPE (argse.expr));
    8464          464 :           byte_size = fold_convert (gfc_array_index_type,
    8465              :                                     size_in_bytes (byte_size));
    8466              :         }
    8467              :     }
    8468              : 
    8469         1309 :   if (arg->rank == 0)
    8470          297 :     se->expr = byte_size;
    8471              :   else
    8472              :     {
    8473         1012 :       source_bytes = gfc_create_var (gfc_array_index_type, "bytes");
    8474         1012 :       gfc_add_modify (&argse.pre, source_bytes, byte_size);
    8475              : 
    8476         1012 :       if (arg->rank == -1)
    8477              :         {
    8478          365 :           tree cond, loop_var, exit_label;
    8479          365 :           stmtblock_t body;
    8480              : 
    8481          365 :           tmp = fold_convert (gfc_array_index_type,
    8482              :                               gfc_conv_descriptor_rank (argse.expr));
    8483          365 :           loop_var = gfc_create_var (gfc_array_index_type, "i");
    8484          365 :           gfc_add_modify (&argse.pre, loop_var, gfc_index_zero_node);
    8485          365 :           exit_label = gfc_build_label_decl (NULL_TREE);
    8486              : 
    8487              :           /* Create loop:
    8488              :              for (;;)
    8489              :                 {
    8490              :                   if (i >= rank)
    8491              :                     goto exit;
    8492              :                   source_bytes = source_bytes * array.dim[i].extent;
    8493              :                   i = i + 1;
    8494              :                 }
    8495              :               exit:  */
    8496          365 :           gfc_start_block (&body);
    8497          365 :           cond = fold_build2_loc (input_location, GE_EXPR, logical_type_node,
    8498              :                                   loop_var, tmp);
    8499          365 :           tmp = build1_v (GOTO_EXPR, exit_label);
    8500          365 :           tmp = fold_build3_loc (input_location, COND_EXPR, void_type_node,
    8501              :                                  cond, tmp, build_empty_stmt (input_location));
    8502          365 :           gfc_add_expr_to_block (&body, tmp);
    8503              : 
    8504          365 :           lower = gfc_conv_descriptor_lbound_get (argse.expr, loop_var);
    8505          365 :           upper = gfc_conv_descriptor_ubound_get (argse.expr, loop_var);
    8506          365 :           tmp = gfc_conv_array_extent_dim (lower, upper, NULL);
    8507          365 :           tmp = fold_build2_loc (input_location, MULT_EXPR,
    8508              :                                  gfc_array_index_type, tmp, source_bytes);
    8509          365 :           gfc_add_modify (&body, source_bytes, tmp);
    8510              : 
    8511          365 :           tmp = fold_build2_loc (input_location, PLUS_EXPR,
    8512              :                                  gfc_array_index_type, loop_var,
    8513              :                                  gfc_index_one_node);
    8514          365 :           gfc_add_modify_loc (input_location, &body, loop_var, tmp);
    8515              : 
    8516          365 :           tmp = gfc_finish_block (&body);
    8517              : 
    8518          365 :           tmp = fold_build1_loc (input_location, LOOP_EXPR, void_type_node,
    8519              :                                  tmp);
    8520          365 :           gfc_add_expr_to_block (&argse.pre, tmp);
    8521              : 
    8522          365 :           tmp = build1_v (LABEL_EXPR, exit_label);
    8523          365 :           gfc_add_expr_to_block (&argse.pre, tmp);
    8524              :         }
    8525              :       else
    8526              :         {
    8527              :           /* Obtain the size of the array in bytes.  */
    8528         1834 :           for (n = 0; n < arg->rank; n++)
    8529              :             {
    8530         1187 :               tree idx;
    8531         1187 :               idx = gfc_rank_cst[n];
    8532         1187 :               lower = gfc_conv_descriptor_lbound_get (argse.expr, idx);
    8533         1187 :               upper = gfc_conv_descriptor_ubound_get (argse.expr, idx);
    8534         1187 :               tmp = gfc_conv_array_extent_dim (lower, upper, NULL);
    8535         1187 :               tmp = fold_build2_loc (input_location, MULT_EXPR,
    8536              :                                      gfc_array_index_type, tmp, source_bytes);
    8537         1187 :               gfc_add_modify (&argse.pre, source_bytes, tmp);
    8538              :             }
    8539              :         }
    8540         1012 :       se->expr = source_bytes;
    8541              :     }
    8542              : 
    8543         1309 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    8544         1309 : }
    8545              : 
    8546              : 
    8547              : static void
    8548          834 : gfc_conv_intrinsic_storage_size (gfc_se *se, gfc_expr *expr)
    8549              : {
    8550          834 :   gfc_expr *arg;
    8551          834 :   gfc_se argse;
    8552          834 :   tree type, result_type, tmp, class_decl = NULL;
    8553          834 :   gfc_symbol *sym;
    8554          834 :   bool unlimited = false;
    8555              : 
    8556          834 :   arg = expr->value.function.actual->expr;
    8557              : 
    8558          834 :   gfc_init_se (&argse, NULL);
    8559          834 :   result_type = gfc_get_int_type (expr->ts.kind);
    8560              : 
    8561          834 :   if (arg->rank == 0)
    8562              :     {
    8563          224 :       if (arg->ts.type == BT_CLASS)
    8564              :         {
    8565           86 :           unlimited = UNLIMITED_POLY (arg);
    8566           86 :           gfc_add_vptr_component (arg);
    8567           86 :           gfc_add_size_component (arg);
    8568           86 :           gfc_conv_expr (&argse, arg);
    8569           86 :           tmp = fold_convert (result_type, argse.expr);
    8570           86 :           class_decl = gfc_get_class_from_expr (argse.expr);
    8571           86 :           goto done;
    8572              :         }
    8573              : 
    8574          138 :       gfc_conv_expr_reference (&argse, arg);
    8575          138 :       type = TREE_TYPE (build_fold_indirect_ref_loc (input_location,
    8576              :                                                      argse.expr));
    8577              :     }
    8578              :   else
    8579              :     {
    8580          610 :       argse.want_pointer = 0;
    8581          610 :       gfc_conv_expr_descriptor (&argse, arg);
    8582          610 :       sym = arg->expr_type == EXPR_VARIABLE ? arg->symtree->n.sym : NULL;
    8583          610 :       if (arg->ts.type == BT_CLASS)
    8584              :         {
    8585           60 :           unlimited = UNLIMITED_POLY (arg);
    8586           60 :           if (TREE_CODE (argse.expr) == COMPONENT_REF)
    8587           54 :             tmp = gfc_class_vtab_size_get (TREE_OPERAND (argse.expr, 0));
    8588            6 :           else if (arg->rank > 0 && sym
    8589           12 :                    && DECL_LANG_SPECIFIC (sym->backend_decl))
    8590           12 :             tmp = gfc_class_vtab_size_get (
    8591            6 :                  GFC_DECL_SAVED_DESCRIPTOR (sym->backend_decl));
    8592              :           else
    8593            0 :             gcc_unreachable ();
    8594           60 :           tmp = fold_convert (result_type, tmp);
    8595           60 :           class_decl = gfc_get_class_from_expr (argse.expr);
    8596           60 :           goto done;
    8597              :         }
    8598          550 :       type = gfc_get_element_type (TREE_TYPE (argse.expr));
    8599              :     }
    8600              : 
    8601              :   /* Obtain the argument's word length.  */
    8602          688 :   if (arg->ts.type == BT_CHARACTER)
    8603          241 :     tmp = size_of_string_in_bytes (arg->ts.kind, argse.string_length);
    8604              :   else
    8605          447 :     tmp = size_in_bytes (type);
    8606          688 :   tmp = fold_convert (result_type, tmp);
    8607              : 
    8608          834 : done:
    8609          834 :   if (unlimited && class_decl)
    8610           68 :     tmp = gfc_resize_class_size_with_len (NULL, class_decl, tmp);
    8611              : 
    8612          834 :   se->expr = fold_build2_loc (input_location, MULT_EXPR, result_type, tmp,
    8613              :                               build_int_cst (result_type, BITS_PER_UNIT));
    8614          834 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    8615          834 : }
    8616              : 
    8617              : 
    8618              : /* Intrinsic string comparison functions.  */
    8619              : 
    8620              : static void
    8621           99 : gfc_conv_intrinsic_strcmp (gfc_se * se, gfc_expr * expr, enum tree_code op)
    8622              : {
    8623           99 :   tree args[4];
    8624              : 
    8625           99 :   gfc_conv_intrinsic_function_args (se, expr, args, 4);
    8626              : 
    8627           99 :   se->expr
    8628          198 :     = gfc_build_compare_string (args[0], args[1], args[2], args[3],
    8629           99 :                                 expr->value.function.actual->expr->ts.kind,
    8630              :                                 op);
    8631           99 :   se->expr = fold_build2_loc (input_location, op,
    8632              :                               gfc_typenode_for_spec (&expr->ts), se->expr,
    8633           99 :                               build_int_cst (TREE_TYPE (se->expr), 0));
    8634           99 : }
    8635              : 
    8636              : /* Generate a call to the adjustl/adjustr library function.  */
    8637              : static void
    8638          474 : gfc_conv_intrinsic_adjust (gfc_se * se, gfc_expr * expr, tree fndecl)
    8639              : {
    8640          474 :   tree args[3];
    8641          474 :   tree len;
    8642          474 :   tree type;
    8643          474 :   tree var;
    8644          474 :   tree tmp;
    8645              : 
    8646          474 :   gfc_conv_intrinsic_function_args (se, expr, &args[1], 2);
    8647          474 :   len = args[1];
    8648              : 
    8649          474 :   type = TREE_TYPE (args[2]);
    8650          474 :   var = gfc_conv_string_tmp (se, type, len);
    8651          474 :   args[0] = var;
    8652              : 
    8653          474 :   tmp = build_call_expr_loc (input_location,
    8654              :                          fndecl, 3, args[0], args[1], args[2]);
    8655          474 :   gfc_add_expr_to_block (&se->pre, tmp);
    8656          474 :   se->expr = var;
    8657          474 :   se->string_length = len;
    8658          474 : }
    8659              : 
    8660              : 
    8661              : /* Generate code for the TRANSFER intrinsic:
    8662              :         For scalar results:
    8663              :           DEST = TRANSFER (SOURCE, MOLD)
    8664              :         where:
    8665              :           typeof<DEST> = typeof<MOLD>
    8666              :         and:
    8667              :           MOLD is scalar.
    8668              : 
    8669              :         For array results:
    8670              :           DEST(1:N) = TRANSFER (SOURCE, MOLD[, SIZE])
    8671              :         where:
    8672              :           typeof<DEST> = typeof<MOLD>
    8673              :         and:
    8674              :           N = min (sizeof (SOURCE(:)), sizeof (DEST(:)),
    8675              :               sizeof (DEST(0) * SIZE).  */
    8676              : static void
    8677         3673 : gfc_conv_intrinsic_transfer (gfc_se * se, gfc_expr * expr)
    8678              : {
    8679         3673 :   tree tmp;
    8680         3673 :   tree tmpdecl;
    8681         3673 :   tree ptr;
    8682         3673 :   tree extent;
    8683         3673 :   tree source;
    8684         3673 :   tree source_type;
    8685         3673 :   tree source_bytes;
    8686         3673 :   tree mold_type;
    8687         3673 :   tree dest_word_len;
    8688         3673 :   tree size_words;
    8689         3673 :   tree size_bytes;
    8690         3673 :   tree upper;
    8691         3673 :   tree lower;
    8692         3673 :   tree stmt;
    8693         3673 :   tree class_ref = NULL_TREE;
    8694         3673 :   gfc_actual_arglist *arg;
    8695         3673 :   gfc_se argse;
    8696         3673 :   gfc_array_info *info;
    8697         3673 :   stmtblock_t block;
    8698         3673 :   int n;
    8699         3673 :   bool scalar_mold;
    8700         3673 :   gfc_expr *source_expr, *mold_expr, *class_expr;
    8701              : 
    8702         3673 :   info = NULL;
    8703         3673 :   if (se->loop)
    8704          472 :     info = &se->ss->info->data.array;
    8705              : 
    8706              :   /* Convert SOURCE.  The output from this stage is:-
    8707              :         source_bytes = length of the source in bytes
    8708              :         source = pointer to the source data.  */
    8709         3673 :   arg = expr->value.function.actual;
    8710         3673 :   source_expr = arg->expr;
    8711              : 
    8712              :   /* Ensure double transfer through LOGICAL preserves all
    8713              :      the needed bits.  */
    8714         3673 :   if (arg->expr->expr_type == EXPR_FUNCTION
    8715         2681 :         && arg->expr->value.function.esym == NULL
    8716         2663 :         && arg->expr->value.function.isym != NULL
    8717         2663 :         && arg->expr->value.function.isym->id == GFC_ISYM_TRANSFER
    8718           12 :         && arg->expr->ts.type == BT_LOGICAL
    8719           12 :         && expr->ts.type != arg->expr->ts.type)
    8720           12 :     arg->expr->value.function.name = "__transfer_in_transfer";
    8721              : 
    8722         3673 :   gfc_init_se (&argse, NULL);
    8723              : 
    8724         3673 :   source_bytes = gfc_create_var (gfc_array_index_type, NULL);
    8725              : 
    8726              :   /* Obtain the pointer to source and the length of source in bytes.  */
    8727         3673 :   if (arg->expr->rank == 0)
    8728              :     {
    8729         3317 :       gfc_conv_expr_reference (&argse, arg->expr);
    8730         3317 :       if (arg->expr->ts.type == BT_CLASS)
    8731              :         {
    8732           37 :           tmp = build_fold_indirect_ref_loc (input_location, argse.expr);
    8733           37 :           if (GFC_CLASS_TYPE_P (TREE_TYPE (tmp)))
    8734              :             {
    8735           19 :               source = gfc_class_data_get (tmp);
    8736           19 :               class_ref = tmp;
    8737              :             }
    8738              :           else
    8739              :             {
    8740              :               /* Array elements are evaluated as a reference to the data.
    8741              :                  To obtain the vptr for the element size, the argument
    8742              :                  expression must be stripped to the class reference and
    8743              :                  re-evaluated. The pre and post blocks are not needed.  */
    8744           18 :               gcc_assert (arg->expr->expr_type == EXPR_VARIABLE);
    8745           18 :               source = argse.expr;
    8746           18 :               class_expr = gfc_find_and_cut_at_last_class_ref (arg->expr);
    8747           18 :               gfc_init_se (&argse, NULL);
    8748           18 :               gfc_conv_expr (&argse, class_expr);
    8749           18 :               class_ref = argse.expr;
    8750              :             }
    8751              :         }
    8752              :       else
    8753         3280 :         source = argse.expr;
    8754              : 
    8755              :       /* Obtain the source word length.  */
    8756         3317 :       switch (arg->expr->ts.type)
    8757              :         {
    8758          294 :         case BT_CHARACTER:
    8759          294 :           tmp = size_of_string_in_bytes (arg->expr->ts.kind,
    8760              :                                          argse.string_length);
    8761          294 :           break;
    8762           37 :         case BT_CLASS:
    8763           37 :           if (class_ref != NULL_TREE)
    8764              :             {
    8765           37 :               tmp = gfc_class_vtab_size_get (class_ref);
    8766           37 :               if (UNLIMITED_POLY (source_expr))
    8767           30 :                 tmp = gfc_resize_class_size_with_len (NULL, class_ref, tmp);
    8768              :             }
    8769              :           else
    8770              :             {
    8771            0 :               tmp = gfc_class_vtab_size_get (argse.expr);
    8772            0 :               if (UNLIMITED_POLY (source_expr))
    8773            0 :                 tmp = gfc_resize_class_size_with_len (NULL, argse.expr, tmp);
    8774              :             }
    8775              :           break;
    8776         2986 :         default:
    8777         2986 :           source_type = TREE_TYPE (build_fold_indirect_ref_loc (input_location,
    8778              :                                                                 source));
    8779         2986 :           tmp = fold_convert (gfc_array_index_type,
    8780              :                               size_in_bytes (source_type));
    8781         2986 :           break;
    8782              :         }
    8783              :     }
    8784              :   else
    8785              :     {
    8786          356 :       bool simply_contiguous = gfc_is_simply_contiguous (arg->expr,
    8787              :                                                          false, true);
    8788          356 :       argse.want_pointer = 0;
    8789              :       /* A non-contiguous SOURCE needs packing.  */
    8790          356 :       if (!simply_contiguous)
    8791           74 :         argse.force_tmp = 1;
    8792          356 :       gfc_conv_expr_descriptor (&argse, arg->expr);
    8793          356 :       source = gfc_conv_descriptor_data_get (argse.expr);
    8794          356 :       source_type = gfc_get_element_type (TREE_TYPE (argse.expr));
    8795              : 
    8796              :       /* Repack the source if not simply contiguous.  */
    8797          356 :       if (!simply_contiguous)
    8798              :         {
    8799           74 :           tmp = gfc_build_addr_expr (NULL_TREE, argse.expr);
    8800              : 
    8801           74 :           if (warn_array_temporaries)
    8802            0 :             gfc_warning (OPT_Warray_temporaries,
    8803              :                          "Creating array temporary at %L", &expr->where);
    8804              : 
    8805           74 :           source = build_call_expr_loc (input_location,
    8806              :                                     gfor_fndecl_in_pack, 1, tmp);
    8807           74 :           source = gfc_evaluate_now (source, &argse.pre);
    8808              : 
    8809              :           /* Free the temporary.  */
    8810           74 :           gfc_start_block (&block);
    8811           74 :           tmp = gfc_call_free (source);
    8812           74 :           gfc_add_expr_to_block (&block, tmp);
    8813           74 :           stmt = gfc_finish_block (&block);
    8814              : 
    8815              :           /* Clean up if it was repacked.  */
    8816           74 :           gfc_init_block (&block);
    8817           74 :           tmp = gfc_conv_array_data (argse.expr);
    8818           74 :           tmp = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    8819              :                                  source, tmp);
    8820           74 :           tmp = build3_v (COND_EXPR, tmp, stmt,
    8821              :                           build_empty_stmt (input_location));
    8822           74 :           gfc_add_expr_to_block (&block, tmp);
    8823           74 :           gfc_add_block_to_block (&block, &se->post);
    8824           74 :           gfc_init_block (&se->post);
    8825           74 :           gfc_add_block_to_block (&se->post, &block);
    8826              :         }
    8827              : 
    8828              :       /* Obtain the source word length.  */
    8829          356 :       if (arg->expr->ts.type == BT_CHARACTER)
    8830          144 :         tmp = size_of_string_in_bytes (arg->expr->ts.kind,
    8831              :                                        argse.string_length);
    8832          212 :       else if (arg->expr->ts.type == BT_CLASS)
    8833              :         {
    8834           54 :           if (UNLIMITED_POLY (source_expr)
    8835           54 :               && DECL_LANG_SPECIFIC (source_expr->symtree->n.sym->backend_decl))
    8836           12 :             class_ref = GFC_DECL_SAVED_DESCRIPTOR
    8837              :               (source_expr->symtree->n.sym->backend_decl);
    8838              :           else
    8839           42 :             class_ref = TREE_OPERAND (argse.expr, 0);
    8840           54 :           tmp = gfc_class_vtab_size_get (class_ref);
    8841           54 :           if (UNLIMITED_POLY (arg->expr))
    8842           54 :             tmp = gfc_resize_class_size_with_len (&argse.pre, class_ref, tmp);
    8843              :         }
    8844              :       else
    8845          158 :         tmp = fold_convert (gfc_array_index_type,
    8846              :                             size_in_bytes (source_type));
    8847              : 
    8848              :       /* Obtain the size of the array in bytes.  */
    8849          356 :       extent = gfc_create_var (gfc_array_index_type, NULL);
    8850          742 :       for (n = 0; n < arg->expr->rank; n++)
    8851              :         {
    8852          386 :           tree idx;
    8853          386 :           idx = gfc_rank_cst[n];
    8854          386 :           gfc_add_modify (&argse.pre, source_bytes, tmp);
    8855          386 :           lower = gfc_conv_descriptor_lbound_get (argse.expr, idx);
    8856          386 :           upper = gfc_conv_descriptor_ubound_get (argse.expr, idx);
    8857          386 :           tmp = fold_build2_loc (input_location, MINUS_EXPR,
    8858              :                                  gfc_array_index_type, upper, lower);
    8859          386 :           gfc_add_modify (&argse.pre, extent, tmp);
    8860          386 :           tmp = fold_build2_loc (input_location, PLUS_EXPR,
    8861              :                                  gfc_array_index_type, extent,
    8862              :                                  gfc_index_one_node);
    8863          386 :           tmp = fold_build2_loc (input_location, MULT_EXPR,
    8864              :                                  gfc_array_index_type, tmp, source_bytes);
    8865              :         }
    8866              :     }
    8867              : 
    8868         3673 :   gfc_add_modify (&argse.pre, source_bytes, tmp);
    8869         3673 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    8870         3673 :   gfc_add_block_to_block (&se->post, &argse.post);
    8871              : 
    8872              :   /* Now convert MOLD.  The outputs are:
    8873              :         mold_type = the TREE type of MOLD
    8874              :         dest_word_len = destination word length in bytes.  */
    8875         3673 :   arg = arg->next;
    8876         3673 :   mold_expr = arg->expr;
    8877              : 
    8878         3673 :   gfc_init_se (&argse, NULL);
    8879              : 
    8880         3673 :   scalar_mold = arg->expr->rank == 0;
    8881              : 
    8882         3673 :   if (arg->expr->rank == 0)
    8883              :     {
    8884         3350 :       gfc_conv_expr_reference (&argse, mold_expr);
    8885         3350 :       mold_type = TREE_TYPE (build_fold_indirect_ref_loc (input_location,
    8886              :                                                           argse.expr));
    8887              :     }
    8888              :   else
    8889              :     {
    8890          323 :       argse.want_pointer = 0;
    8891          323 :       gfc_conv_expr_descriptor (&argse, mold_expr);
    8892          323 :       mold_type = gfc_get_element_type (TREE_TYPE (argse.expr));
    8893              :     }
    8894              : 
    8895         3673 :   gfc_add_block_to_block (&se->pre, &argse.pre);
    8896         3673 :   gfc_add_block_to_block (&se->post, &argse.post);
    8897              : 
    8898         3673 :   if (strcmp (expr->value.function.name, "__transfer_in_transfer") == 0)
    8899              :     {
    8900              :       /* If this TRANSFER is nested in another TRANSFER, use a type
    8901              :          that preserves all bits.  */
    8902           12 :       if (mold_expr->ts.type == BT_LOGICAL)
    8903           12 :         mold_type = gfc_get_int_type (mold_expr->ts.kind);
    8904              :     }
    8905              : 
    8906              :   /* Obtain the destination word length.  */
    8907         3673 :   switch (mold_expr->ts.type)
    8908              :     {
    8909          467 :     case BT_CHARACTER:
    8910          467 :       tmp = size_of_string_in_bytes (mold_expr->ts.kind, argse.string_length);
    8911          467 :       mold_type = gfc_get_character_type_len (mold_expr->ts.kind,
    8912              :                                               argse.string_length);
    8913          467 :       break;
    8914            6 :     case BT_CLASS:
    8915            6 :       if (scalar_mold)
    8916            6 :         class_ref = argse.expr;
    8917              :       else
    8918            0 :         class_ref = TREE_OPERAND (argse.expr, 0);
    8919            6 :       tmp = gfc_class_vtab_size_get (class_ref);
    8920            6 :       if (UNLIMITED_POLY (arg->expr))
    8921            0 :         tmp = gfc_resize_class_size_with_len (&argse.pre, class_ref, tmp);
    8922              :       break;
    8923         3200 :     default:
    8924         3200 :       tmp = fold_convert (gfc_array_index_type, size_in_bytes (mold_type));
    8925         3200 :       break;
    8926              :     }
    8927              : 
    8928              :   /* Do not fix dest_word_len if it is a variable, since the temporary can wind
    8929              :      up being used before the assignment.  */
    8930         3673 :   if (mold_expr->ts.type == BT_CHARACTER && mold_expr->ts.deferred)
    8931              :     dest_word_len = tmp;
    8932              :   else
    8933              :     {
    8934         3619 :       dest_word_len = gfc_create_var (gfc_array_index_type, NULL);
    8935         3619 :       gfc_add_modify (&se->pre, dest_word_len, tmp);
    8936              :     }
    8937              : 
    8938              :   /* Finally convert SIZE, if it is present.  */
    8939         3673 :   arg = arg->next;
    8940         3673 :   size_words = gfc_create_var (gfc_array_index_type, NULL);
    8941              : 
    8942         3673 :   if (arg->expr)
    8943              :     {
    8944          222 :       gfc_init_se (&argse, NULL);
    8945          222 :       gfc_conv_expr_reference (&argse, arg->expr);
    8946          222 :       tmp = convert (gfc_array_index_type,
    8947              :                      build_fold_indirect_ref_loc (input_location,
    8948              :                                               argse.expr));
    8949          222 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    8950          222 :       gfc_add_block_to_block (&se->post, &argse.post);
    8951              :     }
    8952              :   else
    8953              :     tmp = NULL_TREE;
    8954              : 
    8955              :   /* Separate array and scalar results.  */
    8956         3673 :   if (scalar_mold && tmp == NULL_TREE)
    8957         3201 :     goto scalar_transfer;
    8958              : 
    8959          472 :   size_bytes = gfc_create_var (gfc_array_index_type, NULL);
    8960          472 :   if (tmp != NULL_TREE)
    8961          222 :     tmp = fold_build2_loc (input_location, MULT_EXPR, gfc_array_index_type,
    8962              :                            tmp, dest_word_len);
    8963              :   else
    8964              :     tmp = source_bytes;
    8965              : 
    8966          472 :   gfc_add_modify (&se->pre, size_bytes, tmp);
    8967          472 :   gfc_add_modify (&se->pre, size_words,
    8968              :                        fold_build2_loc (input_location, CEIL_DIV_EXPR,
    8969              :                                         gfc_array_index_type,
    8970              :                                         size_bytes, dest_word_len));
    8971              : 
    8972              :   /* Evaluate the bounds of the result.  If the loop range exists, we have
    8973              :      to check if it is too large.  If so, we modify loop->to be consistent
    8974              :      with min(size, size(source)).  Otherwise, size is made consistent with
    8975              :      the loop range, so that the right number of bytes is transferred.*/
    8976          472 :   n = se->loop->order[0];
    8977          472 :   if (se->loop->to[n] != NULL_TREE)
    8978              :     {
    8979          205 :       tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
    8980              :                              se->loop->to[n], se->loop->from[n]);
    8981          205 :       tmp = fold_build2_loc (input_location, PLUS_EXPR, gfc_array_index_type,
    8982              :                              tmp, gfc_index_one_node);
    8983          205 :       tmp = fold_build2_loc (input_location, MIN_EXPR, gfc_array_index_type,
    8984              :                          tmp, size_words);
    8985          205 :       gfc_add_modify (&se->pre, size_words, tmp);
    8986          205 :       gfc_add_modify (&se->pre, size_bytes,
    8987              :                            fold_build2_loc (input_location, MULT_EXPR,
    8988              :                                             gfc_array_index_type,
    8989              :                                             size_words, dest_word_len));
    8990          410 :       upper = fold_build2_loc (input_location, PLUS_EXPR, gfc_array_index_type,
    8991          205 :                                size_words, se->loop->from[n]);
    8992          205 :       upper = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
    8993              :                                upper, gfc_index_one_node);
    8994              :     }
    8995              :   else
    8996              :     {
    8997          267 :       upper = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
    8998              :                                size_words, gfc_index_one_node);
    8999          267 :       se->loop->from[n] = gfc_index_zero_node;
    9000              :     }
    9001              : 
    9002          472 :   se->loop->to[n] = upper;
    9003              : 
    9004              :   /* Build a destination descriptor, using the pointer, source, as the
    9005              :      data field.  */
    9006          472 :   gfc_trans_create_temp_array (&se->pre, &se->post, se->ss, mold_type,
    9007              :                                NULL_TREE, false, true, false, &expr->where);
    9008              : 
    9009              :   /* Cast the pointer to the result.  */
    9010          472 :   tmp = gfc_conv_descriptor_data_get (info->descriptor);
    9011          472 :   tmp = fold_convert (pvoid_type_node, tmp);
    9012              : 
    9013              :   /* Use memcpy to do the transfer.  */
    9014          472 :   tmp
    9015          472 :     = build_call_expr_loc (input_location,
    9016              :                            builtin_decl_explicit (BUILT_IN_MEMCPY), 3, tmp,
    9017              :                            fold_convert (pvoid_type_node, source),
    9018              :                            fold_convert (size_type_node,
    9019              :                                          fold_build2_loc (input_location,
    9020              :                                                           MIN_EXPR,
    9021              :                                                           gfc_array_index_type,
    9022              :                                                           size_bytes,
    9023              :                                                           source_bytes)));
    9024          472 :   gfc_add_expr_to_block (&se->pre, tmp);
    9025              : 
    9026          472 :   se->expr = info->descriptor;
    9027          472 :   if (expr->ts.type == BT_CHARACTER)
    9028              :     {
    9029          275 :       tmp = fold_convert (gfc_charlen_type_node,
    9030              :                           TYPE_SIZE_UNIT (gfc_get_char_type (expr->ts.kind)));
    9031          275 :       se->string_length = fold_build2_loc (input_location, TRUNC_DIV_EXPR,
    9032              :                                            gfc_charlen_type_node,
    9033              :                                            dest_word_len, tmp);
    9034              :     }
    9035              : 
    9036          472 :   return;
    9037              : 
    9038              : /* Deal with scalar results.  */
    9039         3201 : scalar_transfer:
    9040         3201 :   extent = fold_build2_loc (input_location, MIN_EXPR, gfc_array_index_type,
    9041              :                             dest_word_len, source_bytes);
    9042         3201 :   extent = fold_build2_loc (input_location, MAX_EXPR, gfc_array_index_type,
    9043              :                             extent, gfc_index_zero_node);
    9044              : 
    9045         3201 :   if (expr->ts.type == BT_CHARACTER)
    9046              :     {
    9047          192 :       tree direct, indirect, free;
    9048              : 
    9049          192 :       ptr = convert (gfc_get_pchar_type (expr->ts.kind), source);
    9050          192 :       tmpdecl = gfc_create_var (gfc_get_pchar_type (expr->ts.kind),
    9051              :                                 "transfer");
    9052              : 
    9053              :       /* If source is longer than the destination, use a pointer to
    9054              :          the source directly.  */
    9055          192 :       gfc_init_block (&block);
    9056          192 :       gfc_add_modify (&block, tmpdecl, ptr);
    9057          192 :       direct = gfc_finish_block (&block);
    9058              : 
    9059              :       /* Otherwise, allocate a string with the length of the destination
    9060              :          and copy the source into it.  */
    9061          192 :       gfc_init_block (&block);
    9062          192 :       tmp = gfc_get_pchar_type (expr->ts.kind);
    9063          192 :       tmp = gfc_call_malloc (&block, tmp, dest_word_len);
    9064          192 :       gfc_add_modify (&block, tmpdecl,
    9065          192 :                       fold_convert (TREE_TYPE (ptr), tmp));
    9066          192 :       tmp = build_call_expr_loc (input_location,
    9067              :                              builtin_decl_explicit (BUILT_IN_MEMCPY), 3,
    9068              :                              fold_convert (pvoid_type_node, tmpdecl),
    9069              :                              fold_convert (pvoid_type_node, ptr),
    9070              :                              fold_convert (size_type_node, extent));
    9071          192 :       gfc_add_expr_to_block (&block, tmp);
    9072          192 :       indirect = gfc_finish_block (&block);
    9073              : 
    9074              :       /* Wrap it up with the condition.  */
    9075          192 :       tmp = fold_build2_loc (input_location, LE_EXPR, logical_type_node,
    9076              :                              dest_word_len, source_bytes);
    9077          192 :       tmp = build3_v (COND_EXPR, tmp, direct, indirect);
    9078          192 :       gfc_add_expr_to_block (&se->pre, tmp);
    9079              : 
    9080              :       /* Free the temporary string, if necessary.  */
    9081          192 :       free = gfc_call_free (tmpdecl);
    9082          192 :       tmp = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    9083              :                              dest_word_len, source_bytes);
    9084          192 :       tmp = build3_v (COND_EXPR, tmp, free, build_empty_stmt (input_location));
    9085          192 :       gfc_add_expr_to_block (&se->post, tmp);
    9086              : 
    9087          192 :       se->expr = tmpdecl;
    9088          192 :       tmp = fold_convert (gfc_charlen_type_node,
    9089              :                           TYPE_SIZE_UNIT (gfc_get_char_type (expr->ts.kind)));
    9090          192 :       se->string_length = fold_build2_loc (input_location, TRUNC_DIV_EXPR,
    9091              :                                            gfc_charlen_type_node,
    9092              :                                            dest_word_len, tmp);
    9093              :     }
    9094              :   else
    9095              :     {
    9096         3009 :       tmpdecl = gfc_create_var (mold_type, "transfer");
    9097              : 
    9098         3009 :       ptr = convert (build_pointer_type (mold_type), source);
    9099              : 
    9100              :       /* For CLASS results, allocate the needed memory first.  */
    9101         3009 :       if (mold_expr->ts.type == BT_CLASS)
    9102              :         {
    9103            6 :           tree cdata;
    9104            6 :           cdata = gfc_class_data_get (tmpdecl);
    9105            6 :           tmp = gfc_call_malloc (&se->pre, TREE_TYPE (cdata), dest_word_len);
    9106            6 :           gfc_add_modify (&se->pre, cdata, tmp);
    9107              :         }
    9108              : 
    9109              :       /* Use memcpy to do the transfer.  */
    9110         3009 :       if (mold_expr->ts.type == BT_CLASS)
    9111            6 :         tmp = gfc_class_data_get (tmpdecl);
    9112              :       else
    9113         3003 :         tmp = gfc_build_addr_expr (NULL_TREE, tmpdecl);
    9114              : 
    9115         3009 :       tmp = build_call_expr_loc (input_location,
    9116              :                              builtin_decl_explicit (BUILT_IN_MEMCPY), 3,
    9117              :                              fold_convert (pvoid_type_node, tmp),
    9118              :                              fold_convert (pvoid_type_node, ptr),
    9119              :                              fold_convert (size_type_node, extent));
    9120         3009 :       gfc_add_expr_to_block (&se->pre, tmp);
    9121              : 
    9122              :       /* For CLASS results, set the _vptr.  */
    9123         3009 :       if (mold_expr->ts.type == BT_CLASS)
    9124            6 :         gfc_reset_vptr (&se->pre, nullptr, tmpdecl, source_expr->ts.u.derived);
    9125              : 
    9126         3009 :       se->expr = tmpdecl;
    9127              :     }
    9128              : }
    9129              : 
    9130              : 
    9131              : /* Generate code for the ALLOCATED intrinsic.
    9132              :    Generate inline code that directly check the address of the argument.  */
    9133              : 
    9134              : static void
    9135         7288 : gfc_conv_allocated (gfc_se *se, gfc_expr *expr)
    9136              : {
    9137         7288 :   gfc_se arg1se;
    9138         7288 :   tree tmp;
    9139         7288 :   gfc_expr *e = expr->value.function.actual->expr;
    9140              : 
    9141         7288 :   gfc_init_se (&arg1se, NULL);
    9142         7288 :   if (e->ts.type == BT_CLASS)
    9143              :     {
    9144              :       /* Make sure that class array expressions have both a _data
    9145              :          component reference and an array reference....  */
    9146          899 :       if (CLASS_DATA (e)->attr.dimension)
    9147          418 :         gfc_add_class_array_ref (e);
    9148              :       /* .... whilst scalars only need the _data component.  */
    9149              :       else
    9150          481 :         gfc_add_data_component (e);
    9151              :     }
    9152              : 
    9153         7288 :   gcc_assert (flag_coarray != GFC_FCOARRAY_LIB || !gfc_is_coindexed (e));
    9154              : 
    9155         7288 :   if (e->rank == 0)
    9156              :     {
    9157              :       /* Allocatable scalar.  */
    9158         2863 :       arg1se.want_pointer = 1;
    9159         2863 :       gfc_conv_expr (&arg1se, e);
    9160         2863 :       tmp = arg1se.expr;
    9161              :     }
    9162              :   else
    9163              :     {
    9164              :       /* Allocatable array.  */
    9165         4425 :       arg1se.descriptor_only = 1;
    9166         4425 :       gfc_conv_expr_descriptor (&arg1se, e);
    9167         4425 :       tmp = gfc_conv_descriptor_data_get (arg1se.expr);
    9168              :     }
    9169              : 
    9170         7288 :   tmp = fold_build2_loc (input_location, NE_EXPR, logical_type_node, tmp,
    9171         7288 :                          fold_convert (TREE_TYPE (tmp), null_pointer_node));
    9172              : 
    9173              :   /* Components of pointer array references sometimes come back with a pre block.  */
    9174         7288 :   if (arg1se.pre.head)
    9175          327 :     gfc_add_block_to_block (&se->pre, &arg1se.pre);
    9176              : 
    9177         7288 :   se->expr = convert (gfc_typenode_for_spec (&expr->ts), tmp);
    9178         7288 : }
    9179              : 
    9180              : 
    9181              : /* Generate code for the ASSOCIATED intrinsic.
    9182              :    If both POINTER and TARGET are arrays, generate a call to library function
    9183              :    _gfor_associated, and pass descriptors of POINTER and TARGET to it.
    9184              :    In other cases, generate inline code that directly compare the address of
    9185              :    POINTER with the address of TARGET.  */
    9186              : 
    9187              : static void
    9188         9343 : gfc_conv_associated (gfc_se *se, gfc_expr *expr)
    9189              : {
    9190         9343 :   gfc_actual_arglist *arg1;
    9191         9343 :   gfc_actual_arglist *arg2;
    9192         9343 :   gfc_se arg1se;
    9193         9343 :   gfc_se arg2se;
    9194         9343 :   tree tmp2;
    9195         9343 :   tree tmp;
    9196         9343 :   tree nonzero_arraylen = NULL_TREE;
    9197         9343 :   gfc_ss *ss;
    9198         9343 :   bool scalar;
    9199              : 
    9200         9343 :   gfc_init_se (&arg1se, NULL);
    9201         9343 :   gfc_init_se (&arg2se, NULL);
    9202         9343 :   arg1 = expr->value.function.actual;
    9203         9343 :   arg2 = arg1->next;
    9204              : 
    9205              :   /* Check whether the expression is a scalar or not; we cannot use
    9206              :      arg1->expr->rank as it can be nonzero for proc pointers.  */
    9207         9343 :   ss = gfc_walk_expr (arg1->expr);
    9208         9343 :   scalar = ss == gfc_ss_terminator;
    9209         9343 :   if (!scalar)
    9210         3889 :     gfc_free_ss_chain (ss);
    9211              : 
    9212         9343 :   if (!arg2->expr)
    9213              :     {
    9214              :       /* No optional target.  */
    9215         7008 :       if (scalar)
    9216              :         {
    9217              :           /* A pointer to a scalar.  */
    9218         4571 :           arg1se.want_pointer = 1;
    9219         4571 :           gfc_conv_expr (&arg1se, arg1->expr);
    9220         4571 :           if (arg1->expr->symtree->n.sym->attr.proc_pointer
    9221          185 :               && arg1->expr->symtree->n.sym->attr.dummy)
    9222           78 :             arg1se.expr = build_fold_indirect_ref_loc (input_location,
    9223              :                                                        arg1se.expr);
    9224         4571 :           if (arg1->expr->ts.type == BT_CLASS)
    9225              :             {
    9226          384 :               tmp2 = gfc_class_data_get (arg1se.expr);
    9227          384 :               if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (tmp2)))
    9228            0 :                 tmp2 = gfc_conv_descriptor_data_get (tmp2);
    9229              :             }
    9230              :           else
    9231         4187 :             tmp2 = arg1se.expr;
    9232              :         }
    9233              :       else
    9234              :         {
    9235              :           /* A pointer to an array.  */
    9236         2437 :           gfc_conv_expr_descriptor (&arg1se, arg1->expr);
    9237         2437 :           tmp2 = gfc_conv_descriptor_data_get (arg1se.expr);
    9238              :         }
    9239         7008 :       gfc_add_block_to_block (&se->pre, &arg1se.pre);
    9240         7008 :       gfc_add_block_to_block (&se->post, &arg1se.post);
    9241         7008 :       tmp = fold_build2_loc (input_location, NE_EXPR, logical_type_node, tmp2,
    9242         7008 :                              fold_convert (TREE_TYPE (tmp2), null_pointer_node));
    9243         7008 :       se->expr = tmp;
    9244              :     }
    9245              :   else
    9246              :     {
    9247              :       /* An optional target.  */
    9248         2335 :       if (arg2->expr->ts.type == BT_CLASS
    9249           24 :           && arg2->expr->expr_type != EXPR_FUNCTION)
    9250           18 :         gfc_add_data_component (arg2->expr);
    9251              : 
    9252         2335 :       if (scalar)
    9253              :         {
    9254              :           /* A pointer to a scalar.  */
    9255          883 :           arg1se.want_pointer = 1;
    9256          883 :           gfc_conv_expr (&arg1se, arg1->expr);
    9257          883 :           if (arg1->expr->symtree->n.sym->attr.proc_pointer
    9258           92 :               && arg1->expr->symtree->n.sym->attr.dummy)
    9259           42 :             arg1se.expr = build_fold_indirect_ref_loc (input_location,
    9260              :                                                        arg1se.expr);
    9261          883 :           if (arg1->expr->ts.type == BT_CLASS)
    9262          246 :             arg1se.expr = gfc_class_data_get (arg1se.expr);
    9263              : 
    9264          883 :           arg2se.want_pointer = 1;
    9265          883 :           gfc_conv_expr (&arg2se, arg2->expr);
    9266          883 :           if (arg2->expr->symtree->n.sym->attr.proc_pointer
    9267            0 :               && arg2->expr->symtree->n.sym->attr.dummy)
    9268            0 :             arg2se.expr = build_fold_indirect_ref_loc (input_location,
    9269              :                                                        arg2se.expr);
    9270          883 :           if (arg2->expr->ts.type == BT_CLASS)
    9271              :             {
    9272            6 :               arg2se.expr = gfc_evaluate_now (arg2se.expr, &arg2se.pre);
    9273            6 :               arg2se.expr = gfc_class_data_get (arg2se.expr);
    9274              :             }
    9275          883 :           gfc_add_block_to_block (&se->pre, &arg1se.pre);
    9276          883 :           gfc_add_block_to_block (&se->post, &arg1se.post);
    9277          883 :           gfc_add_block_to_block (&se->pre, &arg2se.pre);
    9278          883 :           gfc_add_block_to_block (&se->post, &arg2se.post);
    9279          883 :           tmp = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    9280              :                                  arg1se.expr, arg2se.expr);
    9281          883 :           tmp2 = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    9282              :                                   arg1se.expr, null_pointer_node);
    9283          883 :           se->expr = fold_build2_loc (input_location, TRUTH_AND_EXPR,
    9284              :                                       logical_type_node, tmp, tmp2);
    9285              :         }
    9286              :       else
    9287              :         {
    9288              :           /* An array pointer of zero length is not associated if target is
    9289              :              present.  */
    9290         1452 :           arg1se.descriptor_only = 1;
    9291         1452 :           gfc_conv_expr_lhs (&arg1se, arg1->expr);
    9292         1452 :           if (arg1->expr->rank == -1)
    9293              :             {
    9294           84 :               tmp = gfc_conv_descriptor_rank (arg1se.expr);
    9295          168 :               tmp = fold_build2_loc (input_location, MINUS_EXPR,
    9296           84 :                                      TREE_TYPE (tmp), tmp,
    9297           84 :                                      build_int_cst (TREE_TYPE (tmp), 1));
    9298              :             }
    9299              :           else
    9300         1368 :             tmp = gfc_rank_cst[arg1->expr->rank - 1];
    9301         1452 :           tmp = gfc_conv_descriptor_stride_get (arg1se.expr, tmp);
    9302         1452 :           if (arg2->expr->rank != 0)
    9303         1422 :             nonzero_arraylen = fold_build2_loc (input_location, NE_EXPR,
    9304              :                                                 logical_type_node, tmp,
    9305         1422 :                                                 build_int_cst (TREE_TYPE (tmp), 0));
    9306              : 
    9307              :           /* A pointer to an array, call library function _gfor_associated.  */
    9308         1452 :           arg1se.want_pointer = 1;
    9309         1452 :           gfc_conv_expr_descriptor (&arg1se, arg1->expr);
    9310         1452 :           gfc_add_block_to_block (&se->pre, &arg1se.pre);
    9311         1452 :           gfc_add_block_to_block (&se->post, &arg1se.post);
    9312              : 
    9313         1452 :           arg2se.want_pointer = 1;
    9314         1452 :           arg2se.force_no_tmp = 1;
    9315         1452 :           if (arg2->expr->rank != 0)
    9316         1422 :             gfc_conv_expr_descriptor (&arg2se, arg2->expr);
    9317              :           else
    9318              :             {
    9319           30 :               gfc_conv_expr (&arg2se, arg2->expr);
    9320           30 :               arg2se.expr
    9321           30 :                 = gfc_conv_scalar_to_descriptor (&arg2se, arg2se.expr,
    9322           30 :                                                  gfc_expr_attr (arg2->expr));
    9323           30 :               arg2se.expr = gfc_build_addr_expr (NULL_TREE, arg2se.expr);
    9324              :             }
    9325         1452 :           gfc_add_block_to_block (&se->pre, &arg2se.pre);
    9326         1452 :           gfc_add_block_to_block (&se->post, &arg2se.post);
    9327         1452 :           se->expr = build_call_expr_loc (input_location,
    9328              :                                       gfor_fndecl_associated, 2,
    9329              :                                       arg1se.expr, arg2se.expr);
    9330         1452 :           se->expr = convert (logical_type_node, se->expr);
    9331         1452 :           if (arg2->expr->rank != 0)
    9332         1422 :             se->expr = fold_build2_loc (input_location, TRUTH_AND_EXPR,
    9333              :                                         logical_type_node, se->expr,
    9334              :                                         nonzero_arraylen);
    9335              :         }
    9336              : 
    9337              :       /* If target is present zero character length pointers cannot
    9338              :          be associated.  */
    9339         2335 :       if (arg1->expr->ts.type == BT_CHARACTER)
    9340              :         {
    9341          631 :           tmp = arg1se.string_length;
    9342          631 :           tmp = fold_build2_loc (input_location, NE_EXPR,
    9343              :                                  logical_type_node, tmp,
    9344          631 :                                  build_zero_cst (TREE_TYPE (tmp)));
    9345          631 :           se->expr = fold_build2_loc (input_location, TRUTH_AND_EXPR,
    9346              :                                       logical_type_node, se->expr, tmp);
    9347              :         }
    9348              :     }
    9349              : 
    9350         9343 :   se->expr = convert (gfc_typenode_for_spec (&expr->ts), se->expr);
    9351         9343 : }
    9352              : 
    9353              : 
    9354              : /* Generate code for the SAME_TYPE_AS intrinsic.
    9355              :    Generate inline code that directly checks the vindices.  */
    9356              : 
    9357              : static void
    9358          409 : gfc_conv_same_type_as (gfc_se *se, gfc_expr *expr)
    9359              : {
    9360          409 :   gfc_expr *a, *b;
    9361          409 :   gfc_se se1, se2;
    9362          409 :   tree tmp;
    9363          409 :   tree conda = NULL_TREE, condb = NULL_TREE;
    9364              : 
    9365          409 :   gfc_init_se (&se1, NULL);
    9366          409 :   gfc_init_se (&se2, NULL);
    9367              : 
    9368          409 :   a = expr->value.function.actual->expr;
    9369          409 :   b = expr->value.function.actual->next->expr;
    9370              : 
    9371          409 :   bool unlimited_poly_a = UNLIMITED_POLY (a);
    9372          409 :   bool unlimited_poly_b = UNLIMITED_POLY (b);
    9373          409 :   if (unlimited_poly_a)
    9374              :     {
    9375          111 :       se1.want_pointer = 1;
    9376          111 :       gfc_add_vptr_component (a);
    9377              :     }
    9378          298 :   else if (a->ts.type == BT_CLASS)
    9379              :     {
    9380          256 :       gfc_add_vptr_component (a);
    9381          256 :       gfc_add_hash_component (a);
    9382              :     }
    9383           42 :   else if (a->ts.type == BT_DERIVED)
    9384           42 :     a = gfc_get_int_expr (gfc_default_integer_kind, NULL,
    9385           42 :                           a->ts.u.derived->hash_value);
    9386              : 
    9387          409 :   if (unlimited_poly_b)
    9388              :     {
    9389           72 :       se2.want_pointer = 1;
    9390           72 :       gfc_add_vptr_component (b);
    9391              :     }
    9392          337 :   else if (b->ts.type == BT_CLASS)
    9393              :     {
    9394          169 :       gfc_add_vptr_component (b);
    9395          169 :       gfc_add_hash_component (b);
    9396              :     }
    9397          168 :   else if (b->ts.type == BT_DERIVED)
    9398          168 :     b = gfc_get_int_expr (gfc_default_integer_kind, NULL,
    9399          168 :                           b->ts.u.derived->hash_value);
    9400              : 
    9401          409 :   gfc_conv_expr (&se1, a);
    9402          409 :   gfc_conv_expr (&se2, b);
    9403              : 
    9404          409 :   if (unlimited_poly_a)
    9405              :     {
    9406          111 :       conda = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    9407              :                                se1.expr,
    9408          111 :                                build_int_cst (TREE_TYPE (se1.expr), 0));
    9409          111 :       se1.expr = gfc_vptr_hash_get (se1.expr);
    9410              :     }
    9411              : 
    9412          409 :   if (unlimited_poly_b)
    9413              :     {
    9414           72 :       condb = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    9415              :                                se2.expr,
    9416           72 :                                build_int_cst (TREE_TYPE (se2.expr), 0));
    9417           72 :       se2.expr = gfc_vptr_hash_get (se2.expr);
    9418              :     }
    9419              : 
    9420          409 :   tmp = fold_build2_loc (input_location, EQ_EXPR,
    9421              :                          logical_type_node, se1.expr,
    9422          409 :                          fold_convert (TREE_TYPE (se1.expr), se2.expr));
    9423              : 
    9424          409 :   if (conda)
    9425          111 :     tmp = fold_build2_loc (input_location, TRUTH_ANDIF_EXPR,
    9426              :                            logical_type_node, conda, tmp);
    9427              : 
    9428          409 :   if (condb)
    9429           72 :     tmp = fold_build2_loc (input_location, TRUTH_ANDIF_EXPR,
    9430              :                            logical_type_node, condb, tmp);
    9431              : 
    9432          409 :   se->expr = convert (gfc_typenode_for_spec (&expr->ts), tmp);
    9433          409 : }
    9434              : 
    9435              : 
    9436              : /* Generate code for SELECTED_CHAR_KIND (NAME) intrinsic function.  */
    9437              : 
    9438              : static void
    9439           42 : gfc_conv_intrinsic_sc_kind (gfc_se *se, gfc_expr *expr)
    9440              : {
    9441           42 :   tree args[2];
    9442              : 
    9443           42 :   gfc_conv_intrinsic_function_args (se, expr, args, 2);
    9444           42 :   se->expr = build_call_expr_loc (input_location,
    9445              :                               gfor_fndecl_sc_kind, 2, args[0], args[1]);
    9446           42 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), se->expr);
    9447           42 : }
    9448              : 
    9449              : 
    9450              : /* Generate code for SELECTED_INT_KIND (R) intrinsic function.  */
    9451              : 
    9452              : static void
    9453           45 : gfc_conv_intrinsic_si_kind (gfc_se *se, gfc_expr *expr)
    9454              : {
    9455           45 :   tree arg, type;
    9456              : 
    9457           45 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    9458              : 
    9459              :   /* The argument to SELECTED_INT_KIND is INTEGER(4).  */
    9460           45 :   type = gfc_get_int_type (4);
    9461           45 :   arg = gfc_build_addr_expr (NULL_TREE, fold_convert (type, arg));
    9462              : 
    9463              :   /* Convert it to the required type.  */
    9464           45 :   type = gfc_typenode_for_spec (&expr->ts);
    9465           45 :   se->expr = build_call_expr_loc (input_location,
    9466              :                               gfor_fndecl_si_kind, 1, arg);
    9467           45 :   se->expr = fold_convert (type, se->expr);
    9468           45 : }
    9469              : 
    9470              : 
    9471              : /* Generate code for SELECTED_LOGICAL_KIND (BITS) intrinsic function.  */
    9472              : 
    9473              : static void
    9474            6 : gfc_conv_intrinsic_sl_kind (gfc_se *se, gfc_expr *expr)
    9475              : {
    9476            6 :   tree arg, type;
    9477              : 
    9478            6 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
    9479              : 
    9480              :   /* The argument to SELECTED_LOGICAL_KIND is INTEGER(4).  */
    9481            6 :   type = gfc_get_int_type (4);
    9482            6 :   arg = gfc_build_addr_expr (NULL_TREE, fold_convert (type, arg));
    9483              : 
    9484              :   /* Convert it to the required type.  */
    9485            6 :   type = gfc_typenode_for_spec (&expr->ts);
    9486            6 :   se->expr = build_call_expr_loc (input_location,
    9487              :                               gfor_fndecl_sl_kind, 1, arg);
    9488            6 :   se->expr = fold_convert (type, se->expr);
    9489            6 : }
    9490              : 
    9491              : 
    9492              : /* Generate code for SELECTED_REAL_KIND (P, R, RADIX) intrinsic function.  */
    9493              : 
    9494              : static void
    9495           82 : gfc_conv_intrinsic_sr_kind (gfc_se *se, gfc_expr *expr)
    9496              : {
    9497           82 :   gfc_actual_arglist *actual;
    9498           82 :   tree type;
    9499           82 :   gfc_se argse;
    9500           82 :   vec<tree, va_gc> *args = NULL;
    9501              : 
    9502          328 :   for (actual = expr->value.function.actual; actual; actual = actual->next)
    9503              :     {
    9504          246 :       gfc_init_se (&argse, se);
    9505              : 
    9506              :       /* Pass a NULL pointer for an absent arg.  */
    9507          246 :       if (actual->expr == NULL)
    9508           96 :         argse.expr = null_pointer_node;
    9509              :       else
    9510              :         {
    9511          150 :           gfc_typespec ts;
    9512          150 :           gfc_clear_ts (&ts);
    9513              : 
    9514          150 :           if (actual->expr->ts.kind != gfc_c_int_kind)
    9515              :             {
    9516              :               /* The arguments to SELECTED_REAL_KIND are INTEGER(4).  */
    9517            0 :               ts.type = BT_INTEGER;
    9518            0 :               ts.kind = gfc_c_int_kind;
    9519            0 :               gfc_convert_type (actual->expr, &ts, 2);
    9520              :             }
    9521          150 :           gfc_conv_expr_reference (&argse, actual->expr);
    9522              :         }
    9523              : 
    9524          246 :       gfc_add_block_to_block (&se->pre, &argse.pre);
    9525          246 :       gfc_add_block_to_block (&se->post, &argse.post);
    9526          246 :       vec_safe_push (args, argse.expr);
    9527              :     }
    9528              : 
    9529              :   /* Convert it to the required type.  */
    9530           82 :   type = gfc_typenode_for_spec (&expr->ts);
    9531           82 :   se->expr = build_call_expr_loc_vec (input_location,
    9532              :                                       gfor_fndecl_sr_kind, args);
    9533           82 :   se->expr = fold_convert (type, se->expr);
    9534           82 : }
    9535              : 
    9536              : 
    9537              : /* Generate code for TRIM (A) intrinsic function.  */
    9538              : 
    9539              : static void
    9540          574 : gfc_conv_intrinsic_trim (gfc_se * se, gfc_expr * expr)
    9541              : {
    9542          574 :   tree var;
    9543          574 :   tree len;
    9544          574 :   tree addr;
    9545          574 :   tree tmp;
    9546          574 :   tree cond;
    9547          574 :   tree fndecl;
    9548          574 :   tree function;
    9549          574 :   tree *args;
    9550          574 :   unsigned int num_args;
    9551              : 
    9552          574 :   num_args = gfc_intrinsic_argument_list_length (expr) + 2;
    9553          574 :   args = XALLOCAVEC (tree, num_args);
    9554              : 
    9555          574 :   var = gfc_create_var (gfc_get_pchar_type (expr->ts.kind), "pstr");
    9556          574 :   addr = gfc_build_addr_expr (ppvoid_type_node, var);
    9557          574 :   len = gfc_create_var (gfc_charlen_type_node, "len");
    9558              : 
    9559          574 :   gfc_conv_intrinsic_function_args (se, expr, &args[2], num_args - 2);
    9560          574 :   args[0] = gfc_build_addr_expr (NULL_TREE, len);
    9561          574 :   args[1] = addr;
    9562              : 
    9563          574 :   if (expr->ts.kind == 1)
    9564          542 :     function = gfor_fndecl_string_trim;
    9565           32 :   else if (expr->ts.kind == 4)
    9566           32 :     function = gfor_fndecl_string_trim_char4;
    9567              :   else
    9568            0 :     gcc_unreachable ();
    9569              : 
    9570          574 :   fndecl = build_addr (function);
    9571          574 :   tmp = build_call_array_loc (input_location,
    9572          574 :                           TREE_TYPE (TREE_TYPE (function)), fndecl,
    9573              :                           num_args, args);
    9574          574 :   gfc_add_expr_to_block (&se->pre, tmp);
    9575              : 
    9576              :   /* Free the temporary afterwards, if necessary.  */
    9577          574 :   cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    9578          574 :                           len, build_int_cst (TREE_TYPE (len), 0));
    9579          574 :   tmp = gfc_call_free (var);
    9580          574 :   tmp = build3_v (COND_EXPR, cond, tmp, build_empty_stmt (input_location));
    9581          574 :   gfc_add_expr_to_block (&se->post, tmp);
    9582              : 
    9583          574 :   se->expr = var;
    9584          574 :   se->string_length = len;
    9585          574 : }
    9586              : 
    9587              : 
    9588              : /* Generate code for REPEAT (STRING, NCOPIES) intrinsic function.  */
    9589              : 
    9590              : static void
    9591          529 : gfc_conv_intrinsic_repeat (gfc_se * se, gfc_expr * expr)
    9592              : {
    9593          529 :   tree args[3], ncopies, dest, dlen, src, slen, ncopies_type;
    9594          529 :   tree type, cond, tmp, count, exit_label, n, max, largest;
    9595          529 :   tree size;
    9596          529 :   stmtblock_t block, body;
    9597          529 :   int i;
    9598              : 
    9599              :   /* We store in charsize the size of a character.  */
    9600          529 :   i = gfc_validate_kind (BT_CHARACTER, expr->ts.kind, false);
    9601          529 :   size = build_int_cst (sizetype, gfc_character_kinds[i].bit_size / 8);
    9602              : 
    9603              :   /* Get the arguments.  */
    9604          529 :   gfc_conv_intrinsic_function_args (se, expr, args, 3);
    9605          529 :   slen = fold_convert (sizetype, gfc_evaluate_now (args[0], &se->pre));
    9606          529 :   src = args[1];
    9607          529 :   ncopies = gfc_evaluate_now (args[2], &se->pre);
    9608          529 :   ncopies_type = TREE_TYPE (ncopies);
    9609              : 
    9610              :   /* Check that NCOPIES is not negative.  */
    9611          529 :   cond = fold_build2_loc (input_location, LT_EXPR, logical_type_node, ncopies,
    9612              :                           build_int_cst (ncopies_type, 0));
    9613          529 :   gfc_trans_runtime_check (true, false, cond, &se->pre, &expr->where,
    9614              :                            "Argument NCOPIES of REPEAT intrinsic is negative "
    9615              :                            "(its value is %ld)",
    9616              :                            fold_convert (long_integer_type_node, ncopies));
    9617              : 
    9618              :   /* If the source length is zero, any non negative value of NCOPIES
    9619              :      is valid, and nothing happens.  */
    9620          529 :   n = gfc_create_var (ncopies_type, "ncopies");
    9621          529 :   cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, slen,
    9622              :                           size_zero_node);
    9623          529 :   tmp = fold_build3_loc (input_location, COND_EXPR, ncopies_type, cond,
    9624              :                          build_int_cst (ncopies_type, 0), ncopies);
    9625          529 :   gfc_add_modify (&se->pre, n, tmp);
    9626          529 :   ncopies = n;
    9627              : 
    9628              :   /* Check that ncopies is not too large: ncopies should be less than
    9629              :      (or equal to) MAX / slen, where MAX is the maximal integer of
    9630              :      the gfc_charlen_type_node type.  If slen == 0, we need a special
    9631              :      case to avoid the division by zero.  */
    9632          529 :   max = fold_build2_loc (input_location, TRUNC_DIV_EXPR, sizetype,
    9633          529 :                          fold_convert (sizetype,
    9634              :                                        TYPE_MAX_VALUE (gfc_charlen_type_node)),
    9635              :                          slen);
    9636         1054 :   largest = TYPE_PRECISION (sizetype) > TYPE_PRECISION (ncopies_type)
    9637          529 :               ? sizetype : ncopies_type;
    9638          529 :   cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    9639              :                           fold_convert (largest, ncopies),
    9640              :                           fold_convert (largest, max));
    9641          529 :   tmp = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, slen,
    9642              :                          size_zero_node);
    9643          529 :   cond = fold_build3_loc (input_location, COND_EXPR, logical_type_node, tmp,
    9644              :                           logical_false_node, cond);
    9645          529 :   gfc_trans_runtime_check (true, false, cond, &se->pre, &expr->where,
    9646              :                            "Argument NCOPIES of REPEAT intrinsic is too large");
    9647              : 
    9648              :   /* Compute the destination length.  */
    9649          529 :   dlen = fold_build2_loc (input_location, MULT_EXPR, gfc_charlen_type_node,
    9650              :                           fold_convert (gfc_charlen_type_node, slen),
    9651              :                           fold_convert (gfc_charlen_type_node, ncopies));
    9652          529 :   type = gfc_get_character_type (expr->ts.kind, expr->ts.u.cl);
    9653          529 :   dest = gfc_conv_string_tmp (se, build_pointer_type (type), dlen);
    9654              : 
    9655              :   /* Generate the code to do the repeat operation:
    9656              :        for (i = 0; i < ncopies; i++)
    9657              :          memmove (dest + (i * slen * size), src, slen*size);  */
    9658          529 :   gfc_start_block (&block);
    9659          529 :   count = gfc_create_var (sizetype, "count");
    9660          529 :   gfc_add_modify (&block, count, size_zero_node);
    9661          529 :   exit_label = gfc_build_label_decl (NULL_TREE);
    9662              : 
    9663              :   /* Start the loop body.  */
    9664          529 :   gfc_start_block (&body);
    9665              : 
    9666              :   /* Exit the loop if count >= ncopies.  */
    9667          529 :   cond = fold_build2_loc (input_location, GE_EXPR, logical_type_node, count,
    9668              :                           fold_convert (sizetype, ncopies));
    9669          529 :   tmp = build1_v (GOTO_EXPR, exit_label);
    9670          529 :   TREE_USED (exit_label) = 1;
    9671          529 :   tmp = fold_build3_loc (input_location, COND_EXPR, void_type_node, cond, tmp,
    9672              :                          build_empty_stmt (input_location));
    9673          529 :   gfc_add_expr_to_block (&body, tmp);
    9674              : 
    9675              :   /* Call memmove (dest + (i*slen*size), src, slen*size).  */
    9676          529 :   tmp = fold_build2_loc (input_location, MULT_EXPR, sizetype, slen,
    9677              :                          count);
    9678          529 :   tmp = fold_build2_loc (input_location, MULT_EXPR, sizetype, tmp,
    9679              :                          size);
    9680          529 :   tmp = fold_build_pointer_plus_loc (input_location,
    9681              :                                      fold_convert (pvoid_type_node, dest), tmp);
    9682          529 :   tmp = build_call_expr_loc (input_location,
    9683              :                              builtin_decl_explicit (BUILT_IN_MEMMOVE),
    9684              :                              3, tmp, src,
    9685              :                              fold_build2_loc (input_location, MULT_EXPR,
    9686              :                                               size_type_node, slen, size));
    9687          529 :   gfc_add_expr_to_block (&body, tmp);
    9688              : 
    9689              :   /* Increment count.  */
    9690          529 :   tmp = fold_build2_loc (input_location, PLUS_EXPR, sizetype,
    9691              :                          count, size_one_node);
    9692          529 :   gfc_add_modify (&body, count, tmp);
    9693              : 
    9694              :   /* Build the loop.  */
    9695          529 :   tmp = build1_v (LOOP_EXPR, gfc_finish_block (&body));
    9696          529 :   gfc_add_expr_to_block (&block, tmp);
    9697              : 
    9698              :   /* Add the exit label.  */
    9699          529 :   tmp = build1_v (LABEL_EXPR, exit_label);
    9700          529 :   gfc_add_expr_to_block (&block, tmp);
    9701              : 
    9702              :   /* Finish the block.  */
    9703          529 :   tmp = gfc_finish_block (&block);
    9704          529 :   gfc_add_expr_to_block (&se->pre, tmp);
    9705              : 
    9706              :   /* Set the result value.  */
    9707          529 :   se->expr = dest;
    9708          529 :   se->string_length = dlen;
    9709          529 : }
    9710              : 
    9711              : 
    9712              : /* Generate code for the IARGC intrinsic.  */
    9713              : 
    9714              : static void
    9715           12 : gfc_conv_intrinsic_iargc (gfc_se * se, gfc_expr * expr)
    9716              : {
    9717           12 :   tree tmp;
    9718           12 :   tree fndecl;
    9719           12 :   tree type;
    9720              : 
    9721              :   /* Call the library function.  This always returns an INTEGER(4).  */
    9722           12 :   fndecl = gfor_fndecl_iargc;
    9723           12 :   tmp = build_call_expr_loc (input_location,
    9724              :                          fndecl, 0);
    9725              : 
    9726              :   /* Convert it to the required type.  */
    9727           12 :   type = gfc_typenode_for_spec (&expr->ts);
    9728           12 :   tmp = fold_convert (type, tmp);
    9729              : 
    9730           12 :   se->expr = tmp;
    9731           12 : }
    9732              : 
    9733              : 
    9734              : /* Generate code for the KILL intrinsic.  */
    9735              : 
    9736              : static void
    9737            8 : conv_intrinsic_kill (gfc_se *se, gfc_expr *expr)
    9738              : {
    9739            8 :   tree *args;
    9740            8 :   tree int4_type_node = gfc_get_int_type (4);
    9741            8 :   tree pid;
    9742            8 :   tree sig;
    9743            8 :   tree tmp;
    9744            8 :   unsigned int num_args;
    9745              : 
    9746            8 :   num_args = gfc_intrinsic_argument_list_length (expr);
    9747            8 :   args = XALLOCAVEC (tree, num_args);
    9748            8 :   gfc_conv_intrinsic_function_args (se, expr, args, num_args);
    9749              : 
    9750              :   /* Convert PID to a INTEGER(4) entity.  */
    9751            8 :   pid = convert (int4_type_node, args[0]);
    9752              : 
    9753              :   /* Convert SIG to a INTEGER(4) entity.  */
    9754            8 :   sig = convert (int4_type_node, args[1]);
    9755              : 
    9756            8 :   tmp = build_call_expr_loc (input_location, gfor_fndecl_kill, 2, pid, sig);
    9757              : 
    9758            8 :   se->expr = fold_convert (TREE_TYPE (args[0]), tmp);
    9759            8 : }
    9760              : 
    9761              : 
    9762              : static tree
    9763           15 : conv_intrinsic_kill_sub (gfc_code *code)
    9764              : {
    9765           15 :   stmtblock_t block;
    9766           15 :   gfc_se se, se_stat;
    9767           15 :   tree int4_type_node = gfc_get_int_type (4);
    9768           15 :   tree pid;
    9769           15 :   tree sig;
    9770           15 :   tree statp;
    9771           15 :   tree tmp;
    9772              : 
    9773              :   /* Make the function call.  */
    9774           15 :   gfc_init_block (&block);
    9775           15 :   gfc_init_se (&se, NULL);
    9776              : 
    9777              :   /* Convert PID to a INTEGER(4) entity.  */
    9778           15 :   gfc_conv_expr (&se, code->ext.actual->expr);
    9779           15 :   gfc_add_block_to_block (&block, &se.pre);
    9780           15 :   pid = fold_convert (int4_type_node, gfc_evaluate_now (se.expr, &block));
    9781           15 :   gfc_add_block_to_block (&block, &se.post);
    9782              : 
    9783              :   /* Convert SIG to a INTEGER(4) entity.  */
    9784           15 :   gfc_conv_expr (&se, code->ext.actual->next->expr);
    9785           15 :   gfc_add_block_to_block (&block, &se.pre);
    9786           15 :   sig = fold_convert (int4_type_node, gfc_evaluate_now (se.expr, &block));
    9787           15 :   gfc_add_block_to_block (&block, &se.post);
    9788              : 
    9789              :   /* Deal with an optional STATUS.  */
    9790           15 :   if (code->ext.actual->next->next->expr)
    9791              :     {
    9792           10 :       gfc_init_se (&se_stat, NULL);
    9793           10 :       gfc_conv_expr (&se_stat, code->ext.actual->next->next->expr);
    9794           10 :       statp = gfc_create_var (gfc_get_int_type (4), "_statp");
    9795              :     }
    9796              :   else
    9797              :     statp = NULL_TREE;
    9798              : 
    9799           25 :   tmp = build_call_expr_loc (input_location, gfor_fndecl_kill_sub, 3, pid, sig,
    9800           10 :         statp ? gfc_build_addr_expr (NULL_TREE, statp) : null_pointer_node);
    9801              : 
    9802           15 :   gfc_add_expr_to_block (&block, tmp);
    9803              : 
    9804           15 :   if (statp && statp != se_stat.expr)
    9805           10 :     gfc_add_modify (&block, se_stat.expr,
    9806           10 :                     fold_convert (TREE_TYPE (se_stat.expr), statp));
    9807              : 
    9808           15 :   return gfc_finish_block (&block);
    9809              : }
    9810              : 
    9811              : 
    9812              : 
    9813              : /* The loc intrinsic returns the address of its argument as
    9814              :    gfc_index_integer_kind integer.  */
    9815              : 
    9816              : static void
    9817         8786 : gfc_conv_intrinsic_loc (gfc_se * se, gfc_expr * expr)
    9818              : {
    9819         8786 :   tree temp_var;
    9820         8786 :   gfc_expr *arg_expr;
    9821              : 
    9822         8786 :   gcc_assert (!se->ss);
    9823              : 
    9824         8786 :   arg_expr = expr->value.function.actual->expr;
    9825         8786 :   if (arg_expr->rank == 0)
    9826              :     {
    9827         6371 :       if (arg_expr->ts.type == BT_CLASS)
    9828           18 :         gfc_add_data_component (arg_expr);
    9829         6371 :       gfc_conv_expr_reference (se, arg_expr);
    9830              :     }
    9831              :   else
    9832         2415 :     gfc_conv_array_parameter (se, arg_expr, true, NULL, NULL, NULL);
    9833         8786 :   se->expr = convert (gfc_get_int_type (gfc_index_integer_kind), se->expr);
    9834              : 
    9835              :   /* Create a temporary variable for loc return value.  Without this,
    9836              :      we get an error an ICE in gcc/expr.cc(expand_expr_addr_expr_1).  */
    9837         8786 :   temp_var = gfc_create_var (gfc_get_int_type (gfc_index_integer_kind), NULL);
    9838         8786 :   gfc_add_modify (&se->pre, temp_var, se->expr);
    9839         8786 :   se->expr = temp_var;
    9840         8786 : }
    9841              : 
    9842              : 
    9843              : /* Specialized trim for f_c_string.  */
    9844              : 
    9845              : static void
    9846           42 : conv_trim (gfc_se *tse, gfc_se *str)
    9847              : {
    9848           42 :   tree cond, plen, pvar, tlen, ttmp, tvar;
    9849              : 
    9850           42 :   tlen = gfc_create_var (gfc_charlen_type_node, "tlen");
    9851           42 :   plen = gfc_build_addr_expr (NULL_TREE, tlen);
    9852              : 
    9853           42 :   tvar = gfc_create_var (pchar_type_node, "tstr");
    9854           42 :   pvar = gfc_build_addr_expr (ppvoid_type_node, tvar);
    9855              : 
    9856           42 :   ttmp = build_call_expr_loc (input_location, gfor_fndecl_string_trim, 4,
    9857              :                               plen, pvar, str->string_length, str->expr);
    9858              : 
    9859           42 :   gfc_add_expr_to_block (&tse->pre, ttmp);
    9860              : 
    9861              :   /* Free the temporary afterwards, if necessary.  */
    9862           42 :   cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
    9863           42 :                           tlen, build_int_cst (TREE_TYPE (tlen), 0));
    9864           42 :   ttmp = gfc_call_free (tvar);
    9865           42 :   ttmp = build3_v (COND_EXPR, cond, ttmp, build_empty_stmt (input_location));
    9866           42 :   gfc_add_expr_to_block (&tse->post, ttmp);
    9867              : 
    9868           42 :   tse->expr = tvar;
    9869           42 :   tse->string_length = tlen;
    9870           42 : }
    9871              : 
    9872              : 
    9873              : /* The following routine generates code for the intrinsic functions from
    9874              :    the ISO_C_BINDING module: C_LOC, C_FUNLOC, C_ASSOCIATED, and
    9875              :    F_C_STRING.  */
    9876              : 
    9877              : static void
    9878         9481 : conv_isocbinding_function (gfc_se *se, gfc_expr *expr)
    9879              : {
    9880         9481 :   gfc_actual_arglist *arg = expr->value.function.actual;
    9881              : 
    9882         9481 :   if (expr->value.function.isym->id == GFC_ISYM_C_LOC)
    9883              :     {
    9884         7177 :       if (arg->expr->rank == 0)
    9885         1982 :         gfc_conv_expr_reference (se, arg->expr);
    9886         5195 :       else if (gfc_is_simply_contiguous (arg->expr, false, false))
    9887         4159 :         gfc_conv_array_parameter (se, arg->expr, true, NULL, NULL, NULL);
    9888              :       else
    9889              :         {
    9890         1036 :           gfc_conv_expr_descriptor (se, arg->expr);
    9891         1036 :           se->expr = gfc_conv_descriptor_data_get (se->expr);
    9892              :         }
    9893              : 
    9894              :       /* TODO -- the following two lines shouldn't be necessary, but if
    9895              :          they're removed, a bug is exposed later in the code path.
    9896              :          This workaround was thus introduced, but will have to be
    9897              :          removed; please see PR 35150 for details about the issue.  */
    9898         7177 :       se->expr = convert (pvoid_type_node, se->expr);
    9899         7177 :       se->expr = gfc_evaluate_now (se->expr, &se->pre);
    9900              :     }
    9901         2304 :   else if (expr->value.function.isym->id == GFC_ISYM_C_FUNLOC)
    9902              :     {
    9903          232 :       gfc_conv_expr_reference (se, arg->expr);
    9904              :       /* The code below is necessary to create a reference from the calling
    9905              :          subprogram to the argument of C_FUNLOC() in the call graph.
    9906              :          Please see PR 117303 for more details. */
    9907          232 :       se->expr = convert (pvoid_type_node, se->expr);
    9908          232 :       se->expr = gfc_evaluate_now (se->expr, &se->pre);
    9909              :     }
    9910         2072 :   else if (expr->value.function.isym->id == GFC_ISYM_C_ASSOCIATED)
    9911              :     {
    9912         2030 :       gfc_se arg1se;
    9913         2030 :       gfc_se arg2se;
    9914              : 
    9915              :       /* Build the addr_expr for the first argument.  The argument is
    9916              :          already an *address* so we don't need to set want_pointer in
    9917              :          the gfc_se.  */
    9918         2030 :       gfc_init_se (&arg1se, NULL);
    9919         2030 :       gfc_conv_expr (&arg1se, arg->expr);
    9920         2030 :       gfc_add_block_to_block (&se->pre, &arg1se.pre);
    9921         2030 :       gfc_add_block_to_block (&se->post, &arg1se.post);
    9922              : 
    9923              :       /* See if we were given two arguments.  */
    9924         2030 :       if (arg->next->expr == NULL)
    9925              :         /* Only given one arg so generate a null and do a
    9926              :            not-equal comparison against the first arg.  */
    9927         1675 :         se->expr = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
    9928              :                                     arg1se.expr,
    9929         1675 :                                     fold_convert (TREE_TYPE (arg1se.expr),
    9930              :                                                   null_pointer_node));
    9931              :       else
    9932              :         {
    9933          355 :           tree eq_expr;
    9934          355 :           tree not_null_expr;
    9935              : 
    9936              :           /* Given two arguments so build the arg2se from second arg.  */
    9937          355 :           gfc_init_se (&arg2se, NULL);
    9938          355 :           gfc_conv_expr (&arg2se, arg->next->expr);
    9939          355 :           gfc_add_block_to_block (&se->pre, &arg2se.pre);
    9940          355 :           gfc_add_block_to_block (&se->post, &arg2se.post);
    9941              : 
    9942              :           /* Generate test to compare that the two args are equal.  */
    9943          355 :           eq_expr = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
    9944              :                                      arg1se.expr, arg2se.expr);
    9945              :           /* Generate test to ensure that the first arg is not null.  */
    9946          355 :           not_null_expr = fold_build2_loc (input_location, NE_EXPR,
    9947              :                                            logical_type_node,
    9948              :                                            arg1se.expr, null_pointer_node);
    9949              : 
    9950              :           /* Finally, the generated test must check that both arg1 is not
    9951              :              NULL and that it is equal to the second arg.  */
    9952          355 :           se->expr = fold_build2_loc (input_location, TRUTH_AND_EXPR,
    9953              :                                       logical_type_node,
    9954              :                                       not_null_expr, eq_expr);
    9955              :         }
    9956              :     }
    9957           42 :   else if (expr->value.function.isym->id == GFC_ISYM_F_C_STRING)
    9958              :     {
    9959              :       /* There are three cases:
    9960              :          f_c_string(string)          -> trim(string) // c_null_char
    9961              :          f_c_string(string, .false.) -> trim(string) // c_null_char
    9962              :          f_c_string(string, .true.)  -> string       // c_null_char  */
    9963              : 
    9964           42 :       gfc_se lse, rse, tse;
    9965           42 :       tree len, tmp, var;
    9966           42 :       gfc_expr *string = arg->expr;
    9967           42 :       gfc_expr *asis = arg->next->expr;
    9968           42 :       gfc_expr *cnc;
    9969              : 
    9970              :       /* Convert string. */
    9971           42 :       gfc_init_se (&lse, se);
    9972           42 :       gfc_conv_expr (&lse, string);
    9973           42 :       gfc_conv_string_parameter (&lse);
    9974              : 
    9975              :       /* Create a string for C_NULL_CHAR and convert it.  */
    9976           42 :       cnc = gfc_get_character_expr (gfc_default_character_kind,
    9977              :                                     &string->where, "\0", 1);
    9978           42 :       gfc_init_se (&rse, se);
    9979           42 :       gfc_conv_expr (&rse, cnc);
    9980           42 :       gfc_conv_string_parameter (&rse);
    9981           42 :       gfc_free_expr (cnc);
    9982              : 
    9983              : #ifdef cnode
    9984              : #undef cnode
    9985              : #endif
    9986              : #define cnode gfc_charlen_type_node
    9987           42 :       if (asis)
    9988              :         {
    9989           30 :           stmtblock_t block;
    9990           30 :           gfc_se asis_se, vse;
    9991           30 :           tree elen, evar, tlen, tvar;
    9992           30 :           tree else_branch, then_branch;
    9993              : 
    9994           30 :           elen = evar = tlen = tvar = NULL_TREE;
    9995              : 
    9996              :           /* f_c_string(string, .true.) -> string // c_null_char  */
    9997              : 
    9998           30 :           gfc_init_block (&block);
    9999              : 
   10000           30 :           gfc_add_block_to_block (&block, &lse.pre);
   10001           30 :           gfc_add_block_to_block (&block, &rse.pre);
   10002              : 
   10003           30 :           tlen = fold_build2_loc (input_location, PLUS_EXPR, cnode,
   10004              :                                   fold_convert (cnode, lse.string_length),
   10005              :                                   fold_convert (cnode, rse.string_length));
   10006              : 
   10007           30 :           gfc_init_se (&vse, se);
   10008           30 :           tvar = gfc_conv_string_tmp (&vse, pchar_type_node, tlen);
   10009           30 :           gfc_add_block_to_block (&block, &vse.pre);
   10010              : 
   10011           30 :           tmp = build_call_expr_loc (input_location, gfor_fndecl_concat_string,
   10012              :                                      6, tlen, tvar,
   10013              :                                      lse.string_length, lse.expr,
   10014              :                                      rse.string_length, rse.expr);
   10015           30 :           gfc_add_expr_to_block (&block, tmp);
   10016              : 
   10017           30 :           then_branch = gfc_finish_block (&block);
   10018              : 
   10019              :           /* f_c_string(string, .false.) = trim(string) // c_null_char  */
   10020              : 
   10021           30 :           gfc_init_block (&block);
   10022              : 
   10023           30 :           gfc_init_se (&tse, se);
   10024           30 :           conv_trim (&tse, &lse);
   10025           30 :           gfc_add_block_to_block (&block, &tse.pre);
   10026           30 :           gfc_add_block_to_block (&block, &rse.pre);
   10027              : 
   10028           30 :           elen = fold_build2_loc (input_location, PLUS_EXPR, cnode,
   10029              :                                   fold_convert (cnode, tse.string_length),
   10030              :                                   fold_convert (cnode, rse.string_length));
   10031              : 
   10032           30 :           gfc_init_se (&vse, se);
   10033           30 :           evar = gfc_conv_string_tmp (&vse, pchar_type_node, elen);
   10034           30 :           gfc_add_block_to_block (&block, &vse.pre);
   10035              : 
   10036           30 :           tmp = build_call_expr_loc (input_location, gfor_fndecl_concat_string,
   10037              :                                      6, elen, evar,
   10038              :                                      tse.string_length, tse.expr,
   10039              :                                      rse.string_length, rse.expr);
   10040           30 :           gfc_add_expr_to_block (&block, tmp);
   10041              : 
   10042           30 :           else_branch = gfc_finish_block (&block);
   10043              : 
   10044           30 :           gfc_init_se (&asis_se, se);
   10045           30 :           gfc_conv_expr (&asis_se, asis);
   10046           30 :           if (asis->expr_type == EXPR_VARIABLE
   10047           18 :             && asis->symtree->n.sym->attr.dummy
   10048            6 :             && asis->symtree->n.sym->attr.optional)
   10049              :             {
   10050            6 :               tree present = gfc_conv_expr_present (asis->symtree->n.sym);
   10051            6 :               asis_se.expr = build3_loc (input_location, COND_EXPR,
   10052              :                                          logical_type_node, present,
   10053              :                                          asis_se.expr,
   10054              :                                          build_int_cst (logical_type_node, 0));
   10055              :             }
   10056           30 :           gfc_add_block_to_block (&se->pre, &asis_se.pre);
   10057           30 :           tmp = fold_build3_loc (input_location, COND_EXPR, void_type_node,
   10058              :                                  asis_se.expr, then_branch, else_branch);
   10059              : 
   10060           30 :           gfc_add_expr_to_block (&se->pre, tmp);
   10061              : 
   10062           30 :           var = fold_build3_loc (input_location, COND_EXPR, pchar_type_node,
   10063              :                                  asis_se.expr, tvar, evar);
   10064           30 :           gfc_add_expr_to_block (&se->pre, var);
   10065              : 
   10066           30 :           len = fold_build3_loc (input_location, COND_EXPR, cnode,
   10067              :                                  asis_se.expr, tlen, elen);
   10068           30 :           gfc_add_expr_to_block (&se->pre, len);
   10069              :         }
   10070              :       else
   10071              :         {
   10072              :           /* f_c_string(string) = trim(string) // c_null_char  */
   10073              : 
   10074           12 :           gfc_add_block_to_block (&se->pre, &lse.pre);
   10075           12 :           gfc_add_block_to_block (&se->pre, &rse.pre);
   10076              : 
   10077           12 :           gfc_init_se (&tse, se);
   10078           12 :           conv_trim (&tse, &lse);
   10079           12 :           gfc_add_block_to_block (&se->pre, &tse.pre);
   10080           12 :           gfc_add_block_to_block (&se->post, &tse.post);
   10081              : 
   10082           12 :           len = fold_build2_loc (input_location, PLUS_EXPR, cnode,
   10083              :                                  fold_convert (cnode, tse.string_length),
   10084              :                                  fold_convert (cnode, rse.string_length));
   10085              : 
   10086           12 :           var = gfc_conv_string_tmp (se, pchar_type_node, len);
   10087              : 
   10088           12 :           tmp = build_call_expr_loc (input_location, gfor_fndecl_concat_string,
   10089              :                                      6, len, var,
   10090              :                                      tse.string_length, tse.expr,
   10091              :                                      rse.string_length, rse.expr);
   10092           12 :           gfc_add_expr_to_block (&se->pre, tmp);
   10093              :         }
   10094              : 
   10095           42 :       se->expr = var;
   10096           42 :       se->string_length = len;
   10097              : 
   10098              : #undef cnode
   10099              :     }
   10100              :   else
   10101            0 :     gcc_unreachable ();
   10102         9481 : }
   10103              : 
   10104              : 
   10105              : /* The following routine generates code for the intrinsic
   10106              :    subroutines from the ISO_C_BINDING module:
   10107              :     * C_F_POINTER
   10108              :     * C_F_PROCPOINTER.  */
   10109              : 
   10110              : static tree
   10111         3084 : conv_isocbinding_subroutine (gfc_code *code)
   10112              : {
   10113         3084 :   gfc_expr *cptr, *fptr, *shape, *lower;
   10114         3084 :   gfc_se se, cptrse, fptrse, shapese, lowerse;
   10115         3084 :   gfc_ss *shape_ss, *lower_ss;
   10116         3084 :   tree desc, dim, tmp, stride, offset, lbound, ubound;
   10117         3084 :   stmtblock_t body, block;
   10118         3084 :   gfc_loopinfo loop;
   10119         3084 :   gfc_actual_arglist *arg;
   10120              : 
   10121         3084 :   arg = code->ext.actual;
   10122         3084 :   cptr = arg->expr;
   10123         3084 :   fptr = arg->next->expr;
   10124         3084 :   shape = arg->next->next ? arg->next->next->expr : NULL;
   10125         3026 :   lower = shape && arg->next->next->next ? arg->next->next->next->expr : NULL;
   10126              : 
   10127         3084 :   gfc_init_se (&se, NULL);
   10128         3084 :   gfc_init_se (&cptrse, NULL);
   10129         3084 :   gfc_conv_expr (&cptrse, cptr);
   10130         3084 :   gfc_add_block_to_block (&se.pre, &cptrse.pre);
   10131         3084 :   gfc_add_block_to_block (&se.post, &cptrse.post);
   10132              : 
   10133         3084 :   gfc_init_se (&fptrse, NULL);
   10134         3084 :   if (fptr->rank == 0)
   10135              :     {
   10136         2599 :       fptrse.want_pointer = 1;
   10137         2599 :       gfc_conv_expr (&fptrse, fptr);
   10138         2599 :       gfc_add_block_to_block (&se.pre, &fptrse.pre);
   10139         2599 :       gfc_add_block_to_block (&se.post, &fptrse.post);
   10140         2599 :       if (fptr->symtree->n.sym->attr.proc_pointer
   10141           57 :           && fptr->symtree->n.sym->attr.dummy)
   10142            7 :         fptrse.expr = build_fold_indirect_ref_loc (input_location, fptrse.expr);
   10143         2599 :       se.expr
   10144         2599 :         = fold_build2_loc (input_location, MODIFY_EXPR, TREE_TYPE (fptrse.expr),
   10145              :                            fptrse.expr,
   10146         2599 :                            fold_convert (TREE_TYPE (fptrse.expr), cptrse.expr));
   10147         2599 :       gfc_add_expr_to_block (&se.pre, se.expr);
   10148         2599 :       gfc_add_block_to_block (&se.pre, &se.post);
   10149         2599 :       return gfc_finish_block (&se.pre);
   10150              :     }
   10151              : 
   10152          485 :   gfc_start_block (&block);
   10153              : 
   10154              :   /* Get the descriptor of the Fortran pointer.  */
   10155          485 :   fptrse.descriptor_only = 1;
   10156          485 :   gfc_conv_expr_descriptor (&fptrse, fptr);
   10157          485 :   gfc_add_block_to_block (&block, &fptrse.pre);
   10158          485 :   desc = fptrse.expr;
   10159              : 
   10160              :   /* Set the span field.  */
   10161          485 :   tmp = TYPE_SIZE_UNIT (gfc_get_element_type (TREE_TYPE (desc)));
   10162          485 :   tmp = fold_convert (gfc_array_index_type, tmp);
   10163          485 :   gfc_conv_descriptor_span_set (&block, desc, tmp);
   10164              : 
   10165              :   /* Set data value, dtype, and offset.  */
   10166          485 :   tmp = GFC_TYPE_ARRAY_DATAPTR_TYPE (TREE_TYPE (desc));
   10167          485 :   gfc_conv_descriptor_data_set (&block, desc, fold_convert (tmp, cptrse.expr));
   10168          485 :   gfc_add_modify (&block, gfc_conv_descriptor_dtype (desc),
   10169          485 :                   gfc_get_dtype (TREE_TYPE (desc)));
   10170              : 
   10171              :   /* Start scalarization of the bounds, using the shape argument.  */
   10172              : 
   10173          485 :   shape_ss = gfc_walk_expr (shape);
   10174          485 :   gcc_assert (shape_ss != gfc_ss_terminator);
   10175          485 :   gfc_init_se (&shapese, NULL);
   10176          485 :   if (lower)
   10177              :     {
   10178           12 :       lower_ss = gfc_walk_expr (lower);
   10179           12 :       gcc_assert (lower_ss != gfc_ss_terminator);
   10180           12 :       gfc_init_se (&lowerse, NULL);
   10181              :     }
   10182              : 
   10183          485 :   gfc_init_loopinfo (&loop);
   10184          485 :   gfc_add_ss_to_loop (&loop, shape_ss);
   10185          485 :   if (lower)
   10186           12 :     gfc_add_ss_to_loop (&loop, lower_ss);
   10187          485 :   gfc_conv_ss_startstride (&loop);
   10188          485 :   gfc_conv_loop_setup (&loop, &fptr->where);
   10189          485 :   gfc_mark_ss_chain_used (shape_ss, 1);
   10190          485 :   if (lower)
   10191           12 :     gfc_mark_ss_chain_used (lower_ss, 1);
   10192              : 
   10193          485 :   gfc_copy_loopinfo_to_se (&shapese, &loop);
   10194          485 :   shapese.ss = shape_ss;
   10195          485 :   if (lower)
   10196              :     {
   10197           12 :       gfc_copy_loopinfo_to_se (&lowerse, &loop);
   10198           12 :       lowerse.ss = lower_ss;
   10199              :     }
   10200              : 
   10201          485 :   stride = gfc_create_var (gfc_array_index_type, "stride");
   10202          485 :   offset = gfc_create_var (gfc_array_index_type, "offset");
   10203          485 :   gfc_add_modify (&block, stride, gfc_index_one_node);
   10204          485 :   gfc_add_modify (&block, offset, gfc_index_zero_node);
   10205              : 
   10206              :   /* Loop body.  */
   10207          485 :   gfc_start_scalarized_body (&loop, &body);
   10208              : 
   10209          485 :   dim = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
   10210              :                          loop.loopvar[0], loop.from[0]);
   10211              : 
   10212          485 :   if (lower)
   10213              :     {
   10214           12 :       gfc_conv_expr (&lowerse, lower);
   10215           12 :       gfc_add_block_to_block (&body, &lowerse.pre);
   10216           12 :       lbound = fold_convert (gfc_array_index_type, lowerse.expr);
   10217           12 :       gfc_add_block_to_block (&body, &lowerse.post);
   10218              :     }
   10219              :   else
   10220          473 :     lbound = gfc_index_one_node;
   10221              : 
   10222              :   /* Set bounds and stride.  */
   10223          485 :   gfc_conv_descriptor_lbound_set (&body, desc, dim, lbound);
   10224          485 :   gfc_conv_descriptor_stride_set (&body, desc, dim, stride);
   10225              : 
   10226          485 :   gfc_conv_expr (&shapese, shape);
   10227          485 :   gfc_add_block_to_block (&body, &shapese.pre);
   10228          485 :   ubound = fold_build2_loc (
   10229              :     input_location, MINUS_EXPR, gfc_array_index_type,
   10230              :     fold_build2_loc (input_location, PLUS_EXPR, gfc_array_index_type, lbound,
   10231              :                      fold_convert (gfc_array_index_type, shapese.expr)),
   10232              :     gfc_index_one_node);
   10233          485 :   gfc_conv_descriptor_ubound_set (&body, desc, dim, ubound);
   10234          485 :   gfc_add_block_to_block (&body, &shapese.post);
   10235              : 
   10236              :   /* Calculate offset.  */
   10237          485 :   tmp = fold_build2_loc (input_location, MULT_EXPR, gfc_array_index_type,
   10238              :                          stride, lbound);
   10239          485 :   gfc_add_modify (&body, offset,
   10240              :                   fold_build2_loc (input_location, PLUS_EXPR,
   10241              :                                    gfc_array_index_type, offset, tmp));
   10242              : 
   10243              :   /* Update stride.  */
   10244          485 :   gfc_add_modify (
   10245              :     &body, stride,
   10246              :     fold_build2_loc (input_location, MULT_EXPR, gfc_array_index_type, stride,
   10247              :                      fold_convert (gfc_array_index_type, shapese.expr)));
   10248              :   /* Finish scalarization loop.  */
   10249          485 :   gfc_trans_scalarizing_loops (&loop, &body);
   10250          485 :   gfc_add_block_to_block (&block, &loop.pre);
   10251          485 :   gfc_add_block_to_block (&block, &loop.post);
   10252          485 :   gfc_add_block_to_block (&block, &fptrse.post);
   10253          485 :   gfc_cleanup_loop (&loop);
   10254              : 
   10255          485 :   gfc_add_modify (&block, offset,
   10256              :                   fold_build1_loc (input_location, NEGATE_EXPR,
   10257              :                                    gfc_array_index_type, offset));
   10258          485 :   gfc_conv_descriptor_offset_set (&block, desc, offset);
   10259              : 
   10260          485 :   gfc_add_expr_to_block (&se.pre, gfc_finish_block (&block));
   10261          485 :   gfc_add_block_to_block (&se.pre, &se.post);
   10262          485 :   return gfc_finish_block (&se.pre);
   10263              : }
   10264              : 
   10265              : 
   10266              : /* Save and restore floating-point state.  */
   10267              : 
   10268              : tree
   10269          947 : gfc_save_fp_state (stmtblock_t *block)
   10270              : {
   10271          947 :   tree type, fpstate, tmp;
   10272              : 
   10273          947 :   type = build_array_type (char_type_node,
   10274              :                            build_range_type (size_type_node, size_zero_node,
   10275              :                                              size_int (GFC_FPE_STATE_BUFFER_SIZE)));
   10276          947 :   fpstate = gfc_create_var (type, "fpstate");
   10277          947 :   fpstate = gfc_build_addr_expr (pvoid_type_node, fpstate);
   10278              : 
   10279          947 :   tmp = build_call_expr_loc (input_location, gfor_fndecl_ieee_procedure_entry,
   10280              :                              1, fpstate);
   10281          947 :   gfc_add_expr_to_block (block, tmp);
   10282              : 
   10283          947 :   return fpstate;
   10284              : }
   10285              : 
   10286              : 
   10287              : void
   10288          947 : gfc_restore_fp_state (stmtblock_t *block, tree fpstate)
   10289              : {
   10290          947 :   tree tmp;
   10291              : 
   10292          947 :   tmp = build_call_expr_loc (input_location, gfor_fndecl_ieee_procedure_exit,
   10293              :                              1, fpstate);
   10294          947 :   gfc_add_expr_to_block (block, tmp);
   10295          947 : }
   10296              : 
   10297              : 
   10298              : /* Generate code for arguments of IEEE functions.  */
   10299              : 
   10300              : static void
   10301        12457 : conv_ieee_function_args (gfc_se *se, gfc_expr *expr, tree *argarray,
   10302              :                          int nargs)
   10303              : {
   10304        12457 :   gfc_actual_arglist *actual;
   10305        12457 :   gfc_expr *e;
   10306        12457 :   gfc_se argse;
   10307        12457 :   int arg;
   10308              : 
   10309        12457 :   actual = expr->value.function.actual;
   10310        34461 :   for (arg = 0; arg < nargs; arg++, actual = actual->next)
   10311              :     {
   10312        22004 :       gcc_assert (actual);
   10313        22004 :       e = actual->expr;
   10314              : 
   10315        22004 :       gfc_init_se (&argse, se);
   10316        22004 :       gfc_conv_expr_val (&argse, e);
   10317              : 
   10318        22004 :       gfc_add_block_to_block (&se->pre, &argse.pre);
   10319        22004 :       gfc_add_block_to_block (&se->post, &argse.post);
   10320        22004 :       argarray[arg] = argse.expr;
   10321              :     }
   10322        12457 : }
   10323              : 
   10324              : 
   10325              : /* Generate code for intrinsics IEEE_IS_NAN, IEEE_IS_FINITE
   10326              :    and IEEE_UNORDERED, which translate directly to GCC type-generic
   10327              :    built-ins.  */
   10328              : 
   10329              : static void
   10330         1062 : conv_intrinsic_ieee_builtin (gfc_se * se, gfc_expr * expr,
   10331              :                              enum built_in_function code, int nargs)
   10332              : {
   10333         1062 :   tree args[2];
   10334         1062 :   gcc_assert ((unsigned) nargs <= ARRAY_SIZE (args));
   10335              : 
   10336         1062 :   conv_ieee_function_args (se, expr, args, nargs);
   10337         1062 :   se->expr = build_call_expr_loc_array (input_location,
   10338              :                                         builtin_decl_explicit (code),
   10339              :                                         nargs, args);
   10340         2388 :   STRIP_TYPE_NOPS (se->expr);
   10341         1062 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), se->expr);
   10342         1062 : }
   10343              : 
   10344              : 
   10345              : /* Generate code for intrinsics IEEE_SIGNBIT.  */
   10346              : 
   10347              : static void
   10348          624 : conv_intrinsic_ieee_signbit (gfc_se * se, gfc_expr * expr)
   10349              : {
   10350          624 :   tree arg, signbit;
   10351              : 
   10352          624 :   conv_ieee_function_args (se, expr, &arg, 1);
   10353          624 :   signbit = build_call_expr_loc (input_location,
   10354              :                                  builtin_decl_explicit (BUILT_IN_SIGNBIT),
   10355              :                                  1, arg);
   10356          624 :   signbit = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
   10357              :                              signbit, integer_zero_node);
   10358          624 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), signbit);
   10359          624 : }
   10360              : 
   10361              : 
   10362              : /* Generate code for IEEE_IS_NORMAL intrinsic:
   10363              :      IEEE_IS_NORMAL(x) --> (__builtin_isnormal(x) || x == 0)  */
   10364              : 
   10365              : static void
   10366          312 : conv_intrinsic_ieee_is_normal (gfc_se * se, gfc_expr * expr)
   10367              : {
   10368          312 :   tree arg, isnormal, iszero;
   10369              : 
   10370              :   /* Convert arg, evaluate it only once.  */
   10371          312 :   conv_ieee_function_args (se, expr, &arg, 1);
   10372          312 :   arg = gfc_evaluate_now (arg, &se->pre);
   10373              : 
   10374          312 :   isnormal = build_call_expr_loc (input_location,
   10375              :                                   builtin_decl_explicit (BUILT_IN_ISNORMAL),
   10376              :                                   1, arg);
   10377          312 :   iszero = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, arg,
   10378          312 :                             build_real_from_int_cst (TREE_TYPE (arg),
   10379          312 :                                                      integer_zero_node));
   10380          312 :   se->expr = fold_build2_loc (input_location, TRUTH_OR_EXPR,
   10381              :                               logical_type_node, isnormal, iszero);
   10382          312 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), se->expr);
   10383          312 : }
   10384              : 
   10385              : 
   10386              : /* Generate code for IEEE_IS_NEGATIVE intrinsic:
   10387              :      IEEE_IS_NEGATIVE(x) --> (__builtin_signbit(x) && !__builtin_isnan(x))  */
   10388              : 
   10389              : static void
   10390          312 : conv_intrinsic_ieee_is_negative (gfc_se * se, gfc_expr * expr)
   10391              : {
   10392          312 :   tree arg, signbit, isnan;
   10393              : 
   10394              :   /* Convert arg, evaluate it only once.  */
   10395          312 :   conv_ieee_function_args (se, expr, &arg, 1);
   10396          312 :   arg = gfc_evaluate_now (arg, &se->pre);
   10397              : 
   10398          312 :   isnan = build_call_expr_loc (input_location,
   10399              :                                builtin_decl_explicit (BUILT_IN_ISNAN),
   10400              :                                1, arg);
   10401          936 :   STRIP_TYPE_NOPS (isnan);
   10402              : 
   10403          312 :   signbit = build_call_expr_loc (input_location,
   10404              :                                  builtin_decl_explicit (BUILT_IN_SIGNBIT),
   10405              :                                  1, arg);
   10406          312 :   signbit = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
   10407              :                              signbit, integer_zero_node);
   10408              : 
   10409          312 :   se->expr = fold_build2_loc (input_location, TRUTH_AND_EXPR,
   10410              :                               logical_type_node, signbit,
   10411              :                               fold_build1_loc (input_location, TRUTH_NOT_EXPR,
   10412          312 :                                                TREE_TYPE(isnan), isnan));
   10413              : 
   10414          312 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), se->expr);
   10415          312 : }
   10416              : 
   10417              : 
   10418              : /* Generate code for IEEE_LOGB and IEEE_RINT.  */
   10419              : 
   10420              : static void
   10421          240 : conv_intrinsic_ieee_logb_rint (gfc_se * se, gfc_expr * expr,
   10422              :                                enum built_in_function code)
   10423              : {
   10424          240 :   tree arg, decl, call, fpstate;
   10425          240 :   int argprec;
   10426              : 
   10427          240 :   conv_ieee_function_args (se, expr, &arg, 1);
   10428          240 :   argprec = TYPE_PRECISION (TREE_TYPE (arg));
   10429          240 :   decl = builtin_decl_for_precision (code, argprec);
   10430              : 
   10431              :   /* Save floating-point state.  */
   10432          240 :   fpstate = gfc_save_fp_state (&se->pre);
   10433              : 
   10434              :   /* Make the function call.  */
   10435          240 :   call = build_call_expr_loc (input_location, decl, 1, arg);
   10436          240 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), call);
   10437              : 
   10438              :   /* Restore floating-point state.  */
   10439          240 :   gfc_restore_fp_state (&se->post, fpstate);
   10440          240 : }
   10441              : 
   10442              : 
   10443              : /* Generate code for IEEE_REM.  */
   10444              : 
   10445              : static void
   10446           84 : conv_intrinsic_ieee_rem (gfc_se * se, gfc_expr * expr)
   10447              : {
   10448           84 :   tree args[2], decl, call, fpstate;
   10449           84 :   int argprec;
   10450              : 
   10451           84 :   conv_ieee_function_args (se, expr, args, 2);
   10452              : 
   10453              :   /* If arguments have unequal size, convert them to the larger.  */
   10454           84 :   if (TYPE_PRECISION (TREE_TYPE (args[0]))
   10455           84 :       > TYPE_PRECISION (TREE_TYPE (args[1])))
   10456            6 :     args[1] = fold_convert (TREE_TYPE (args[0]), args[1]);
   10457           78 :   else if (TYPE_PRECISION (TREE_TYPE (args[1]))
   10458           78 :            > TYPE_PRECISION (TREE_TYPE (args[0])))
   10459           24 :     args[0] = fold_convert (TREE_TYPE (args[1]), args[0]);
   10460              : 
   10461           84 :   argprec = TYPE_PRECISION (TREE_TYPE (args[0]));
   10462           84 :   decl = builtin_decl_for_precision (BUILT_IN_REMAINDER, argprec);
   10463              : 
   10464              :   /* Save floating-point state.  */
   10465           84 :   fpstate = gfc_save_fp_state (&se->pre);
   10466              : 
   10467              :   /* Make the function call.  */
   10468           84 :   call = build_call_expr_loc_array (input_location, decl, 2, args);
   10469           84 :   se->expr = fold_convert (TREE_TYPE (args[0]), call);
   10470              : 
   10471              :   /* Restore floating-point state.  */
   10472           84 :   gfc_restore_fp_state (&se->post, fpstate);
   10473           84 : }
   10474              : 
   10475              : 
   10476              : /* Generate code for IEEE_NEXT_AFTER.  */
   10477              : 
   10478              : static void
   10479          180 : conv_intrinsic_ieee_next_after (gfc_se * se, gfc_expr * expr)
   10480              : {
   10481          180 :   tree args[2], decl, call, fpstate;
   10482          180 :   int argprec;
   10483              : 
   10484          180 :   conv_ieee_function_args (se, expr, args, 2);
   10485              : 
   10486              :   /* Result has the characteristics of first argument.  */
   10487          180 :   args[1] = fold_convert (TREE_TYPE (args[0]), args[1]);
   10488          180 :   argprec = TYPE_PRECISION (TREE_TYPE (args[0]));
   10489          180 :   decl = builtin_decl_for_precision (BUILT_IN_NEXTAFTER, argprec);
   10490              : 
   10491              :   /* Save floating-point state.  */
   10492          180 :   fpstate = gfc_save_fp_state (&se->pre);
   10493              : 
   10494              :   /* Make the function call.  */
   10495          180 :   call = build_call_expr_loc_array (input_location, decl, 2, args);
   10496          180 :   se->expr = fold_convert (TREE_TYPE (args[0]), call);
   10497              : 
   10498              :   /* Restore floating-point state.  */
   10499          180 :   gfc_restore_fp_state (&se->post, fpstate);
   10500          180 : }
   10501              : 
   10502              : 
   10503              : /* Generate code for IEEE_SCALB.  */
   10504              : 
   10505              : static void
   10506          228 : conv_intrinsic_ieee_scalb (gfc_se * se, gfc_expr * expr)
   10507              : {
   10508          228 :   tree args[2], decl, call, huge, type;
   10509          228 :   int argprec, n;
   10510              : 
   10511          228 :   conv_ieee_function_args (se, expr, args, 2);
   10512              : 
   10513              :   /* Result has the characteristics of first argument.  */
   10514          228 :   argprec = TYPE_PRECISION (TREE_TYPE (args[0]));
   10515          228 :   decl = builtin_decl_for_precision (BUILT_IN_SCALBN, argprec);
   10516              : 
   10517          228 :   if (TYPE_PRECISION (TREE_TYPE (args[1])) > TYPE_PRECISION (integer_type_node))
   10518              :     {
   10519              :       /* We need to fold the integer into the range of a C int.  */
   10520           18 :       args[1] = gfc_evaluate_now (args[1], &se->pre);
   10521           18 :       type = TREE_TYPE (args[1]);
   10522              : 
   10523           18 :       n = gfc_validate_kind (BT_INTEGER, gfc_c_int_kind, false);
   10524           18 :       huge = gfc_conv_mpz_to_tree (gfc_integer_kinds[n].huge,
   10525              :                                    gfc_c_int_kind);
   10526           18 :       huge = fold_convert (type, huge);
   10527           18 :       args[1] = fold_build2_loc (input_location, MIN_EXPR, type, args[1],
   10528              :                                  huge);
   10529           18 :       args[1] = fold_build2_loc (input_location, MAX_EXPR, type, args[1],
   10530              :                                  fold_build1_loc (input_location, NEGATE_EXPR,
   10531              :                                                   type, huge));
   10532              :     }
   10533              : 
   10534          228 :   args[1] = fold_convert (integer_type_node, args[1]);
   10535              : 
   10536              :   /* Make the function call.  */
   10537          228 :   call = build_call_expr_loc_array (input_location, decl, 2, args);
   10538          228 :   se->expr = fold_convert (TREE_TYPE (args[0]), call);
   10539          228 : }
   10540              : 
   10541              : 
   10542              : /* Generate code for IEEE_COPY_SIGN.  */
   10543              : 
   10544              : static void
   10545          576 : conv_intrinsic_ieee_copy_sign (gfc_se * se, gfc_expr * expr)
   10546              : {
   10547          576 :   tree args[2], decl, sign;
   10548          576 :   int argprec;
   10549              : 
   10550          576 :   conv_ieee_function_args (se, expr, args, 2);
   10551              : 
   10552              :   /* Get the sign of the second argument.  */
   10553          576 :   sign = build_call_expr_loc (input_location,
   10554              :                               builtin_decl_explicit (BUILT_IN_SIGNBIT),
   10555              :                               1, args[1]);
   10556          576 :   sign = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
   10557              :                           sign, integer_zero_node);
   10558              : 
   10559              :   /* Create a value of one, with the right sign.  */
   10560          576 :   sign = fold_build3_loc (input_location, COND_EXPR, integer_type_node,
   10561              :                           sign,
   10562              :                           fold_build1_loc (input_location, NEGATE_EXPR,
   10563              :                                            integer_type_node,
   10564              :                                            integer_one_node),
   10565              :                           integer_one_node);
   10566          576 :   args[1] = fold_convert (TREE_TYPE (args[0]), sign);
   10567              : 
   10568          576 :   argprec = TYPE_PRECISION (TREE_TYPE (args[0]));
   10569          576 :   decl = builtin_decl_for_precision (BUILT_IN_COPYSIGN, argprec);
   10570              : 
   10571          576 :   se->expr = build_call_expr_loc_array (input_location, decl, 2, args);
   10572          576 : }
   10573              : 
   10574              : 
   10575              : /* Generate code for IEEE_CLASS.  */
   10576              : 
   10577              : static void
   10578          648 : conv_intrinsic_ieee_class (gfc_se *se, gfc_expr *expr)
   10579              : {
   10580          648 :   tree arg, c, t1, t2, t3, t4;
   10581              : 
   10582              :   /* Convert arg, evaluate it only once.  */
   10583          648 :   conv_ieee_function_args (se, expr, &arg, 1);
   10584          648 :   arg = gfc_evaluate_now (arg, &se->pre);
   10585              : 
   10586          648 :   c = build_call_expr_loc (input_location,
   10587              :                            builtin_decl_explicit (BUILT_IN_FPCLASSIFY), 6,
   10588              :                            build_int_cst (integer_type_node, IEEE_QUIET_NAN),
   10589              :                            build_int_cst (integer_type_node,
   10590              :                                           IEEE_POSITIVE_INF),
   10591              :                            build_int_cst (integer_type_node,
   10592              :                                           IEEE_POSITIVE_NORMAL),
   10593              :                            build_int_cst (integer_type_node,
   10594              :                                           IEEE_POSITIVE_DENORMAL),
   10595              :                            build_int_cst (integer_type_node,
   10596              :                                           IEEE_POSITIVE_ZERO),
   10597              :                            arg);
   10598          648 :   c = gfc_evaluate_now (c, &se->pre);
   10599          648 :   t1 = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
   10600              :                         c, build_int_cst (integer_type_node,
   10601              :                                           IEEE_QUIET_NAN));
   10602          648 :   t2 = build_call_expr_loc (input_location,
   10603              :                             builtin_decl_explicit (BUILT_IN_ISSIGNALING), 1,
   10604              :                             arg);
   10605          648 :   t2 = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
   10606          648 :                         t2, build_zero_cst (TREE_TYPE (t2)));
   10607          648 :   t1 = fold_build2_loc (input_location, TRUTH_AND_EXPR,
   10608              :                         logical_type_node, t1, t2);
   10609          648 :   t3 = fold_build2_loc (input_location, GE_EXPR, logical_type_node,
   10610              :                         c, build_int_cst (integer_type_node,
   10611              :                                           IEEE_POSITIVE_ZERO));
   10612          648 :   t4 = build_call_expr_loc (input_location,
   10613              :                             builtin_decl_explicit (BUILT_IN_SIGNBIT), 1,
   10614              :                             arg);
   10615          648 :   t4 = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
   10616          648 :                         t4, build_zero_cst (TREE_TYPE (t4)));
   10617          648 :   t3 = fold_build2_loc (input_location, TRUTH_AND_EXPR,
   10618              :                         logical_type_node, t3, t4);
   10619          648 :   int s = IEEE_NEGATIVE_ZERO + IEEE_POSITIVE_ZERO;
   10620          648 :   gcc_assert (IEEE_NEGATIVE_INF == s - IEEE_POSITIVE_INF);
   10621          648 :   gcc_assert (IEEE_NEGATIVE_NORMAL == s - IEEE_POSITIVE_NORMAL);
   10622          648 :   gcc_assert (IEEE_NEGATIVE_DENORMAL == s - IEEE_POSITIVE_DENORMAL);
   10623          648 :   gcc_assert (IEEE_NEGATIVE_SUBNORMAL == s - IEEE_POSITIVE_SUBNORMAL);
   10624          648 :   gcc_assert (IEEE_NEGATIVE_ZERO == s - IEEE_POSITIVE_ZERO);
   10625          648 :   t4 = fold_build2_loc (input_location, MINUS_EXPR, TREE_TYPE (c),
   10626          648 :                         build_int_cst (TREE_TYPE (c), s), c);
   10627          648 :   t3 = fold_build3_loc (input_location, COND_EXPR, TREE_TYPE (c),
   10628              :                         t3, t4, c);
   10629          648 :   t1 = fold_build3_loc (input_location, COND_EXPR, TREE_TYPE (c), t1,
   10630          648 :                         build_int_cst (TREE_TYPE (c), IEEE_SIGNALING_NAN),
   10631              :                         t3);
   10632          648 :   tree type = gfc_typenode_for_spec (&expr->ts);
   10633              :   /* Perform a quick sanity check that the return type is
   10634              :      IEEE_CLASS_TYPE derived type defined in
   10635              :      libgfortran/ieee/ieee_arithmetic.F90
   10636              :      Primarily check that it is a derived type with a single
   10637              :      member in it.  */
   10638          648 :   gcc_assert (TREE_CODE (type) == RECORD_TYPE);
   10639          648 :   tree field = NULL_TREE;
   10640         1296 :   for (tree f = TYPE_FIELDS (type); f != NULL_TREE; f = DECL_CHAIN (f))
   10641          648 :     if (TREE_CODE (f) == FIELD_DECL)
   10642              :       {
   10643          648 :         gcc_assert (field == NULL_TREE);
   10644              :         field = f;
   10645              :       }
   10646          648 :   gcc_assert (field);
   10647          648 :   t1 = fold_convert (TREE_TYPE (field), t1);
   10648          648 :   se->expr = build_constructor_single (type, field, t1);
   10649          648 : }
   10650              : 
   10651              : 
   10652              : /* Generate code for IEEE_VALUE.  */
   10653              : 
   10654              : static void
   10655         1111 : conv_intrinsic_ieee_value (gfc_se *se, gfc_expr *expr)
   10656              : {
   10657         1111 :   tree args[2], arg, ret, tmp;
   10658         1111 :   stmtblock_t body;
   10659              : 
   10660              :   /* Convert args, evaluate the second one only once.  */
   10661         1111 :   conv_ieee_function_args (se, expr, args, 2);
   10662         1111 :   arg = gfc_evaluate_now (args[1], &se->pre);
   10663              : 
   10664         1111 :   tree type = TREE_TYPE (arg);
   10665              :   /* Perform a quick sanity check that the second argument's type is
   10666              :      IEEE_CLASS_TYPE derived type defined in
   10667              :      libgfortran/ieee/ieee_arithmetic.F90
   10668              :      Primarily check that it is a derived type with a single
   10669              :      member in it.  */
   10670         1111 :   gcc_assert (TREE_CODE (type) == RECORD_TYPE);
   10671         1111 :   tree field = NULL_TREE;
   10672         2222 :   for (tree f = TYPE_FIELDS (type); f != NULL_TREE; f = DECL_CHAIN (f))
   10673         1111 :     if (TREE_CODE (f) == FIELD_DECL)
   10674              :       {
   10675         1111 :         gcc_assert (field == NULL_TREE);
   10676              :         field = f;
   10677              :       }
   10678         1111 :   gcc_assert (field);
   10679         1111 :   arg = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (field),
   10680              :                          arg, field, NULL_TREE);
   10681         1111 :   arg = gfc_evaluate_now (arg, &se->pre);
   10682              : 
   10683         1111 :   type = gfc_typenode_for_spec (&expr->ts);
   10684         1111 :   gcc_assert (SCALAR_FLOAT_TYPE_P (type));
   10685         1111 :   ret = gfc_create_var (type, NULL);
   10686              : 
   10687         1111 :   gfc_init_block (&body);
   10688              : 
   10689         1111 :   tree end_label = gfc_build_label_decl (NULL_TREE);
   10690        12221 :   for (int c = IEEE_SIGNALING_NAN; c <= IEEE_POSITIVE_INF; ++c)
   10691              :     {
   10692        11110 :       tree label = gfc_build_label_decl (NULL_TREE);
   10693        11110 :       tree low = build_int_cst (TREE_TYPE (arg), c);
   10694        11110 :       tmp = build_case_label (low, low, label);
   10695        11110 :       gfc_add_expr_to_block (&body, tmp);
   10696              : 
   10697        11110 :       REAL_VALUE_TYPE real;
   10698        11110 :       int k;
   10699        11110 :       switch (c)
   10700              :         {
   10701         1111 :         case IEEE_SIGNALING_NAN:
   10702         1111 :           real_nan (&real, "", 0, TYPE_MODE (type));
   10703         1111 :           break;
   10704         1111 :         case IEEE_QUIET_NAN:
   10705         1111 :           real_nan (&real, "", 1, TYPE_MODE (type));
   10706         1111 :           break;
   10707         1111 :         case IEEE_NEGATIVE_INF:
   10708         1111 :           real_inf (&real);
   10709         1111 :           real = real_value_negate (&real);
   10710         1111 :           break;
   10711         1111 :         case IEEE_NEGATIVE_NORMAL:
   10712         1111 :           real_from_integer (&real, TYPE_MODE (type), -42, SIGNED);
   10713         1111 :           break;
   10714         1111 :         case IEEE_NEGATIVE_DENORMAL:
   10715         1111 :           k = gfc_validate_kind (BT_REAL, expr->ts.kind, false);
   10716         1111 :           real_from_mpfr (&real, gfc_real_kinds[k].tiny,
   10717              :                           type, GFC_RND_MODE);
   10718         1111 :           real_arithmetic (&real, RDIV_EXPR, &real, &dconst2);
   10719         1111 :           real = real_value_negate (&real);
   10720         1111 :           break;
   10721         1111 :         case IEEE_NEGATIVE_ZERO:
   10722         1111 :           real_from_integer (&real, TYPE_MODE (type), 0, SIGNED);
   10723         1111 :           real = real_value_negate (&real);
   10724         1111 :           break;
   10725         1111 :         case IEEE_POSITIVE_ZERO:
   10726              :           /* Make this also the default: label.  The other possibility
   10727              :              would be to add a separate default: label followed by
   10728              :              __builtin_unreachable ().  */
   10729         1111 :           label = gfc_build_label_decl (NULL_TREE);
   10730         1111 :           tmp = build_case_label (NULL_TREE, NULL_TREE, label);
   10731         1111 :           gfc_add_expr_to_block (&body, tmp);
   10732         1111 :           real_from_integer (&real, TYPE_MODE (type), 0, SIGNED);
   10733         1111 :           break;
   10734         1111 :         case IEEE_POSITIVE_DENORMAL:
   10735         1111 :           k = gfc_validate_kind (BT_REAL, expr->ts.kind, false);
   10736         1111 :           real_from_mpfr (&real, gfc_real_kinds[k].tiny,
   10737              :                           type, GFC_RND_MODE);
   10738         1111 :           real_arithmetic (&real, RDIV_EXPR, &real, &dconst2);
   10739         1111 :           break;
   10740         1111 :         case IEEE_POSITIVE_NORMAL:
   10741         1111 :           real_from_integer (&real, TYPE_MODE (type), 42, SIGNED);
   10742         1111 :           break;
   10743         1111 :         case IEEE_POSITIVE_INF:
   10744         1111 :           real_inf (&real);
   10745         1111 :           break;
   10746              :         default:
   10747              :           gcc_unreachable ();
   10748              :         }
   10749              : 
   10750        11110 :       tree val = build_real (type, real);
   10751        11110 :       gfc_add_modify (&body, ret, val);
   10752              : 
   10753        11110 :       tmp = build1_v (GOTO_EXPR, end_label);
   10754        11110 :       gfc_add_expr_to_block (&body, tmp);
   10755              :     }
   10756              : 
   10757         1111 :   tmp = gfc_finish_block (&body);
   10758         1111 :   tmp = fold_build2_loc (input_location, SWITCH_EXPR, NULL_TREE, arg, tmp);
   10759         1111 :   gfc_add_expr_to_block (&se->pre, tmp);
   10760              : 
   10761         1111 :   tmp = build1_v (LABEL_EXPR, end_label);
   10762         1111 :   gfc_add_expr_to_block (&se->pre, tmp);
   10763              : 
   10764         1111 :   se->expr = ret;
   10765         1111 : }
   10766              : 
   10767              : 
   10768              : /* Generate code for IEEE_FMA.  */
   10769              : 
   10770              : static void
   10771          120 : conv_intrinsic_ieee_fma (gfc_se * se, gfc_expr * expr)
   10772              : {
   10773          120 :   tree args[3], decl, call;
   10774          120 :   int argprec;
   10775              : 
   10776          120 :   conv_ieee_function_args (se, expr, args, 3);
   10777              : 
   10778              :   /* All three arguments should have the same type.  */
   10779          120 :   gcc_assert (TYPE_PRECISION (TREE_TYPE (args[0])) == TYPE_PRECISION (TREE_TYPE (args[1])));
   10780          120 :   gcc_assert (TYPE_PRECISION (TREE_TYPE (args[0])) == TYPE_PRECISION (TREE_TYPE (args[2])));
   10781              : 
   10782              :   /* Call the type-generic FMA built-in.  */
   10783          120 :   argprec = TYPE_PRECISION (TREE_TYPE (args[0]));
   10784          120 :   decl = builtin_decl_for_precision (BUILT_IN_FMA, argprec);
   10785          120 :   call = build_call_expr_loc_array (input_location, decl, 3, args);
   10786              : 
   10787              :   /* Convert to the final type.  */
   10788          120 :   se->expr = fold_convert (TREE_TYPE (args[0]), call);
   10789          120 : }
   10790              : 
   10791              : 
   10792              : /* Generate code for IEEE_{MIN,MAX}_NUM{,_MAG}.  */
   10793              : 
   10794              : static void
   10795         3072 : conv_intrinsic_ieee_minmax (gfc_se * se, gfc_expr * expr, int max,
   10796              :                             const char *name)
   10797              : {
   10798         3072 :   tree args[2], func;
   10799         3072 :   built_in_function fn;
   10800              : 
   10801         3072 :   conv_ieee_function_args (se, expr, args, 2);
   10802         3072 :   gcc_assert (TYPE_PRECISION (TREE_TYPE (args[0])) == TYPE_PRECISION (TREE_TYPE (args[1])));
   10803         3072 :   args[0] = gfc_evaluate_now (args[0], &se->pre);
   10804         3072 :   args[1] = gfc_evaluate_now (args[1], &se->pre);
   10805              : 
   10806         3072 :   if (startswith (name, "mag"))
   10807              :     {
   10808              :       /* IEEE_MIN_NUM_MAG and IEEE_MAX_NUM_MAG translate to C functions
   10809              :          fminmag() and fmaxmag(), which do not exist as built-ins.
   10810              : 
   10811              :          Following glibc, we emit this:
   10812              : 
   10813              :            fminmag (x, y) {
   10814              :              ax = ABS (x);
   10815              :              ay = ABS (y);
   10816              :              if (isless (ax, ay))
   10817              :                return x;
   10818              :              else if (isgreater (ax, ay))
   10819              :                return y;
   10820              :              else if (ax == ay)
   10821              :                return x < y ? x : y;
   10822              :              else if (issignaling (x) || issignaling (y))
   10823              :                return x + y;
   10824              :              else
   10825              :                return isnan (y) ? x : y;
   10826              :            }
   10827              : 
   10828              :            fmaxmag (x, y) {
   10829              :              ax = ABS (x);
   10830              :              ay = ABS (y);
   10831              :              if (isgreater (ax, ay))
   10832              :                return x;
   10833              :              else if (isless (ax, ay))
   10834              :                return y;
   10835              :              else if (ax == ay)
   10836              :                return x > y ? x : y;
   10837              :              else if (issignaling (x) || issignaling (y))
   10838              :                return x + y;
   10839              :              else
   10840              :                return isnan (y) ? x : y;
   10841              :            }
   10842              : 
   10843              :          */
   10844              : 
   10845         1536 :       tree abs0, abs1, sig0, sig1;
   10846         1536 :       tree cond1, cond2, cond3, cond4, cond5;
   10847         1536 :       tree res;
   10848         1536 :       tree type = TREE_TYPE (args[0]);
   10849              : 
   10850         1536 :       func = gfc_builtin_decl_for_float_kind (BUILT_IN_FABS, expr->ts.kind);
   10851         1536 :       abs0 = build_call_expr_loc (input_location, func, 1, args[0]);
   10852         1536 :       abs1 = build_call_expr_loc (input_location, func, 1, args[1]);
   10853         1536 :       abs0 = gfc_evaluate_now (abs0, &se->pre);
   10854         1536 :       abs1 = gfc_evaluate_now (abs1, &se->pre);
   10855              : 
   10856         1536 :       cond5 = build_call_expr_loc (input_location,
   10857              :                                    builtin_decl_explicit (BUILT_IN_ISNAN),
   10858              :                                    1, args[1]);
   10859         1536 :       res = fold_build3_loc (input_location, COND_EXPR, type, cond5,
   10860              :                              args[0], args[1]);
   10861              : 
   10862         1536 :       sig0 = build_call_expr_loc (input_location,
   10863              :                                   builtin_decl_explicit (BUILT_IN_ISSIGNALING),
   10864              :                                   1, args[0]);
   10865         1536 :       sig1 = build_call_expr_loc (input_location,
   10866              :                                   builtin_decl_explicit (BUILT_IN_ISSIGNALING),
   10867              :                                   1, args[1]);
   10868         1536 :       cond4 = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
   10869              :                                logical_type_node, sig0, sig1);
   10870         1536 :       res = fold_build3_loc (input_location, COND_EXPR, type, cond4,
   10871              :                              fold_build2_loc (input_location, PLUS_EXPR,
   10872              :                                               type, args[0], args[1]),
   10873              :                              res);
   10874              : 
   10875         1536 :       cond3 = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
   10876              :                                abs0, abs1);
   10877         2304 :       res = fold_build3_loc (input_location, COND_EXPR, type, cond3,
   10878              :                              fold_build2_loc (input_location,
   10879              :                                               max ? MAX_EXPR : MIN_EXPR,
   10880              :                                               type, args[0], args[1]),
   10881              :                              res);
   10882              : 
   10883         2304 :       func = builtin_decl_explicit (max ? BUILT_IN_ISLESS : BUILT_IN_ISGREATER);
   10884         1536 :       cond2 = build_call_expr_loc (input_location, func, 2, abs0, abs1);
   10885         1536 :       res = fold_build3_loc (input_location, COND_EXPR, type, cond2,
   10886              :                              args[1], res);
   10887              : 
   10888         2304 :       func = builtin_decl_explicit (max ? BUILT_IN_ISGREATER : BUILT_IN_ISLESS);
   10889         1536 :       cond1 = build_call_expr_loc (input_location, func, 2, abs0, abs1);
   10890         1536 :       res = fold_build3_loc (input_location, COND_EXPR, type, cond1,
   10891              :                              args[0], res);
   10892              : 
   10893         1536 :       se->expr = res;
   10894              :     }
   10895              :   else
   10896              :     {
   10897              :       /* IEEE_MIN_NUM and IEEE_MAX_NUM translate to fmin() and fmax().  */
   10898         1536 :       fn = max ? BUILT_IN_FMAX : BUILT_IN_FMIN;
   10899         1536 :       func = gfc_builtin_decl_for_float_kind (fn, expr->ts.kind);
   10900         1536 :       se->expr = build_call_expr_loc_array (input_location, func, 2, args);
   10901              :     }
   10902         3072 : }
   10903              : 
   10904              : 
   10905              : /* Generate code for comparison functions IEEE_QUIET_* and
   10906              :    IEEE_SIGNALING_*.  */
   10907              : 
   10908              : static void
   10909         3888 : conv_intrinsic_ieee_comparison (gfc_se * se, gfc_expr * expr, int signaling,
   10910              :                                 const char *name)
   10911              : {
   10912         3888 :   tree args[2];
   10913         3888 :   tree arg1, arg2, res;
   10914              : 
   10915              :   /* Evaluate arguments only once.  */
   10916         3888 :   conv_ieee_function_args (se, expr, args, 2);
   10917         3888 :   arg1 = gfc_evaluate_now (args[0], &se->pre);
   10918         3888 :   arg2 = gfc_evaluate_now (args[1], &se->pre);
   10919              : 
   10920         3888 :   if (startswith (name, "eq"))
   10921              :     {
   10922          648 :       if (signaling)
   10923          324 :         res = build_call_expr_loc (input_location,
   10924              :                                    builtin_decl_explicit (BUILT_IN_ISEQSIG),
   10925              :                                    2, arg1, arg2);
   10926              :       else
   10927          324 :         res = fold_build2_loc (input_location, EQ_EXPR, logical_type_node,
   10928              :                                arg1, arg2);
   10929              :     }
   10930         3240 :   else if (startswith (name, "ne"))
   10931              :     {
   10932          648 :       if (signaling)
   10933              :         {
   10934          324 :           res = build_call_expr_loc (input_location,
   10935              :                                      builtin_decl_explicit (BUILT_IN_ISEQSIG),
   10936              :                                      2, arg1, arg2);
   10937          324 :           res = fold_build1_loc (input_location, TRUTH_NOT_EXPR,
   10938              :                                  logical_type_node, res);
   10939              :         }
   10940              :       else
   10941          324 :         res = fold_build2_loc (input_location, NE_EXPR, logical_type_node,
   10942              :                                arg1, arg2);
   10943              :     }
   10944         2592 :   else if (startswith (name, "ge"))
   10945              :     {
   10946          648 :       if (signaling)
   10947          324 :         res = fold_build2_loc (input_location, GE_EXPR, logical_type_node,
   10948              :                                arg1, arg2);
   10949              :       else
   10950          324 :         res = build_call_expr_loc (input_location,
   10951              :                                    builtin_decl_explicit (BUILT_IN_ISGREATEREQUAL),
   10952              :                                    2, arg1, arg2);
   10953              :     }
   10954         1944 :   else if (startswith (name, "gt"))
   10955              :     {
   10956          648 :       if (signaling)
   10957          324 :         res = fold_build2_loc (input_location, GT_EXPR, logical_type_node,
   10958              :                                arg1, arg2);
   10959              :       else
   10960          324 :         res = build_call_expr_loc (input_location,
   10961              :                                    builtin_decl_explicit (BUILT_IN_ISGREATER),
   10962              :                                    2, arg1, arg2);
   10963              :     }
   10964         1296 :   else if (startswith (name, "le"))
   10965              :     {
   10966          648 :       if (signaling)
   10967          324 :         res = fold_build2_loc (input_location, LE_EXPR, logical_type_node,
   10968              :                                arg1, arg2);
   10969              :       else
   10970          324 :         res = build_call_expr_loc (input_location,
   10971              :                                    builtin_decl_explicit (BUILT_IN_ISLESSEQUAL),
   10972              :                                    2, arg1, arg2);
   10973              :     }
   10974          648 :   else if (startswith (name, "lt"))
   10975              :     {
   10976          648 :       if (signaling)
   10977          324 :         res = fold_build2_loc (input_location, LT_EXPR, logical_type_node,
   10978              :                                arg1, arg2);
   10979              :       else
   10980          324 :         res = build_call_expr_loc (input_location,
   10981              :                                    builtin_decl_explicit (BUILT_IN_ISLESS),
   10982              :                                    2, arg1, arg2);
   10983              :     }
   10984              :   else
   10985            0 :     gcc_unreachable ();
   10986              : 
   10987         3888 :   se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), res);
   10988         3888 : }
   10989              : 
   10990              : 
   10991              : /* Generate code for an intrinsic function from the IEEE_ARITHMETIC
   10992              :    module.  */
   10993              : 
   10994              : bool
   10995        13939 : gfc_conv_ieee_arithmetic_function (gfc_se * se, gfc_expr * expr)
   10996              : {
   10997        13939 :   const char *name = expr->value.function.name;
   10998              : 
   10999        13939 :   if (startswith (name, "_gfortran_ieee_is_nan"))
   11000          522 :     conv_intrinsic_ieee_builtin (se, expr, BUILT_IN_ISNAN, 1);
   11001        13417 :   else if (startswith (name, "_gfortran_ieee_is_finite"))
   11002          372 :     conv_intrinsic_ieee_builtin (se, expr, BUILT_IN_ISFINITE, 1);
   11003        13045 :   else if (startswith (name, "_gfortran_ieee_unordered"))
   11004          168 :     conv_intrinsic_ieee_builtin (se, expr, BUILT_IN_ISUNORDERED, 2);
   11005        12877 :   else if (startswith (name, "_gfortran_ieee_signbit"))
   11006          624 :     conv_intrinsic_ieee_signbit (se, expr);
   11007        12253 :   else if (startswith (name, "_gfortran_ieee_is_normal"))
   11008          312 :     conv_intrinsic_ieee_is_normal (se, expr);
   11009        11941 :   else if (startswith (name, "_gfortran_ieee_is_negative"))
   11010          312 :     conv_intrinsic_ieee_is_negative (se, expr);
   11011        11629 :   else if (startswith (name, "_gfortran_ieee_copy_sign"))
   11012          576 :     conv_intrinsic_ieee_copy_sign (se, expr);
   11013        11053 :   else if (startswith (name, "_gfortran_ieee_scalb"))
   11014          228 :     conv_intrinsic_ieee_scalb (se, expr);
   11015        10825 :   else if (startswith (name, "_gfortran_ieee_next_after"))
   11016          180 :     conv_intrinsic_ieee_next_after (se, expr);
   11017        10645 :   else if (startswith (name, "_gfortran_ieee_rem"))
   11018           84 :     conv_intrinsic_ieee_rem (se, expr);
   11019        10561 :   else if (startswith (name, "_gfortran_ieee_logb"))
   11020          144 :     conv_intrinsic_ieee_logb_rint (se, expr, BUILT_IN_LOGB);
   11021        10417 :   else if (startswith (name, "_gfortran_ieee_rint"))
   11022           96 :     conv_intrinsic_ieee_logb_rint (se, expr, BUILT_IN_RINT);
   11023        10321 :   else if (startswith (name, "ieee_class_") && ISDIGIT (name[11]))
   11024          648 :     conv_intrinsic_ieee_class (se, expr);
   11025         9673 :   else if (startswith (name, "ieee_value_") && ISDIGIT (name[11]))
   11026         1111 :     conv_intrinsic_ieee_value (se, expr);
   11027         8562 :   else if (startswith (name, "_gfortran_ieee_fma"))
   11028          120 :     conv_intrinsic_ieee_fma (se, expr);
   11029         8442 :   else if (startswith (name, "_gfortran_ieee_min_num_"))
   11030         1536 :     conv_intrinsic_ieee_minmax (se, expr, 0, name + 23);
   11031         6906 :   else if (startswith (name, "_gfortran_ieee_max_num_"))
   11032         1536 :     conv_intrinsic_ieee_minmax (se, expr, 1, name + 23);
   11033         5370 :   else if (startswith (name, "_gfortran_ieee_quiet_"))
   11034         1944 :     conv_intrinsic_ieee_comparison (se, expr, 0, name + 21);
   11035         3426 :   else if (startswith (name, "_gfortran_ieee_signaling_"))
   11036         1944 :     conv_intrinsic_ieee_comparison (se, expr, 1, name + 25);
   11037              :   else
   11038              :     /* It is not among the functions we translate directly.  We return
   11039              :        false, so a library function call is emitted.  */
   11040              :     return false;
   11041              : 
   11042              :   return true;
   11043              : }
   11044              : 
   11045              : 
   11046              : /* Generate a direct call to malloc() for the MALLOC intrinsic.  */
   11047              : 
   11048              : static void
   11049           16 : gfc_conv_intrinsic_malloc (gfc_se * se, gfc_expr * expr)
   11050              : {
   11051           16 :   tree arg, res, restype;
   11052              : 
   11053           16 :   gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
   11054           16 :   arg = fold_convert (size_type_node, arg);
   11055           16 :   res = build_call_expr_loc (input_location,
   11056              :                              builtin_decl_explicit (BUILT_IN_MALLOC), 1, arg);
   11057           16 :   restype = gfc_typenode_for_spec (&expr->ts);
   11058           16 :   se->expr = fold_convert (restype, res);
   11059           16 : }
   11060              : 
   11061              : 
   11062              : /* Generate code for an intrinsic function.  Some map directly to library
   11063              :    calls, others get special handling.  In some cases the name of the function
   11064              :    used depends on the type specifiers.  */
   11065              : 
   11066              : void
   11067       260595 : gfc_conv_intrinsic_function (gfc_se * se, gfc_expr * expr)
   11068              : {
   11069       260595 :   const char *name;
   11070       260595 :   int lib, kind;
   11071       260595 :   tree fndecl;
   11072              : 
   11073       260595 :   name = &expr->value.function.name[2];
   11074              : 
   11075       260595 :   if (expr->rank > 0)
   11076              :     {
   11077        50072 :       lib = gfc_is_intrinsic_libcall (expr);
   11078        50072 :       if (lib != 0)
   11079              :         {
   11080        19064 :           if (lib == 1)
   11081        11680 :             se->ignore_optional = 1;
   11082              : 
   11083        19064 :           switch (expr->value.function.isym->id)
   11084              :             {
   11085         5825 :             case GFC_ISYM_EOSHIFT:
   11086         5825 :             case GFC_ISYM_PACK:
   11087         5825 :             case GFC_ISYM_RESHAPE:
   11088         5825 :             case GFC_ISYM_REDUCE:
   11089              :               /* For all of those the first argument specifies the type and the
   11090              :                  third is optional.  */
   11091         5825 :               conv_generic_with_optional_char_arg (se, expr, 1, 3);
   11092         5825 :               break;
   11093              : 
   11094         1116 :             case GFC_ISYM_FINDLOC:
   11095         1116 :               gfc_conv_intrinsic_findloc (se, expr);
   11096         1116 :               break;
   11097              : 
   11098         2935 :             case GFC_ISYM_MINLOC:
   11099         2935 :               gfc_conv_intrinsic_minmaxloc (se, expr, LT_EXPR);
   11100         2935 :               break;
   11101              : 
   11102         2439 :             case GFC_ISYM_MAXLOC:
   11103         2439 :               gfc_conv_intrinsic_minmaxloc (se, expr, GT_EXPR);
   11104         2439 :               break;
   11105              : 
   11106         6749 :             default:
   11107         6749 :               gfc_conv_intrinsic_funcall (se, expr);
   11108         6749 :               break;
   11109              :             }
   11110              : 
   11111        19064 :           return;
   11112              :         }
   11113              :     }
   11114              : 
   11115       241531 :   switch (expr->value.function.isym->id)
   11116              :     {
   11117            0 :     case GFC_ISYM_NONE:
   11118            0 :       gcc_unreachable ();
   11119              : 
   11120          529 :     case GFC_ISYM_REPEAT:
   11121          529 :       gfc_conv_intrinsic_repeat (se, expr);
   11122          529 :       break;
   11123              : 
   11124          574 :     case GFC_ISYM_TRIM:
   11125          574 :       gfc_conv_intrinsic_trim (se, expr);
   11126          574 :       break;
   11127              : 
   11128           42 :     case GFC_ISYM_SC_KIND:
   11129           42 :       gfc_conv_intrinsic_sc_kind (se, expr);
   11130           42 :       break;
   11131              : 
   11132           45 :     case GFC_ISYM_SI_KIND:
   11133           45 :       gfc_conv_intrinsic_si_kind (se, expr);
   11134           45 :       break;
   11135              : 
   11136            6 :     case GFC_ISYM_SL_KIND:
   11137            6 :       gfc_conv_intrinsic_sl_kind (se, expr);
   11138            6 :       break;
   11139              : 
   11140           82 :     case GFC_ISYM_SR_KIND:
   11141           82 :       gfc_conv_intrinsic_sr_kind (se, expr);
   11142           82 :       break;
   11143              : 
   11144          228 :     case GFC_ISYM_EXPONENT:
   11145          228 :       gfc_conv_intrinsic_exponent (se, expr);
   11146          228 :       break;
   11147              : 
   11148          316 :     case GFC_ISYM_SCAN:
   11149          316 :       kind = expr->value.function.actual->expr->ts.kind;
   11150          316 :       if (kind == 1)
   11151          250 :        fndecl = gfor_fndecl_string_scan;
   11152           66 :       else if (kind == 4)
   11153           66 :        fndecl = gfor_fndecl_string_scan_char4;
   11154              :       else
   11155            0 :        gcc_unreachable ();
   11156              : 
   11157          316 :       gfc_conv_intrinsic_index_scan_verify (se, expr, fndecl);
   11158          316 :       break;
   11159              : 
   11160           94 :     case GFC_ISYM_VERIFY:
   11161           94 :       kind = expr->value.function.actual->expr->ts.kind;
   11162           94 :       if (kind == 1)
   11163           70 :        fndecl = gfor_fndecl_string_verify;
   11164           24 :       else if (kind == 4)
   11165           24 :        fndecl = gfor_fndecl_string_verify_char4;
   11166              :       else
   11167            0 :        gcc_unreachable ();
   11168              : 
   11169           94 :       gfc_conv_intrinsic_index_scan_verify (se, expr, fndecl);
   11170           94 :       break;
   11171              : 
   11172         7288 :     case GFC_ISYM_ALLOCATED:
   11173         7288 :       gfc_conv_allocated (se, expr);
   11174         7288 :       break;
   11175              : 
   11176         9343 :     case GFC_ISYM_ASSOCIATED:
   11177         9343 :       gfc_conv_associated(se, expr);
   11178         9343 :       break;
   11179              : 
   11180          409 :     case GFC_ISYM_SAME_TYPE_AS:
   11181          409 :       gfc_conv_same_type_as (se, expr);
   11182          409 :       break;
   11183              : 
   11184         7818 :     case GFC_ISYM_ABS:
   11185         7818 :       gfc_conv_intrinsic_abs (se, expr);
   11186         7818 :       break;
   11187              : 
   11188          351 :     case GFC_ISYM_ADJUSTL:
   11189          351 :       if (expr->ts.kind == 1)
   11190          297 :        fndecl = gfor_fndecl_adjustl;
   11191           54 :       else if (expr->ts.kind == 4)
   11192           54 :        fndecl = gfor_fndecl_adjustl_char4;
   11193              :       else
   11194            0 :        gcc_unreachable ();
   11195              : 
   11196          351 :       gfc_conv_intrinsic_adjust (se, expr, fndecl);
   11197          351 :       break;
   11198              : 
   11199          123 :     case GFC_ISYM_ADJUSTR:
   11200          123 :       if (expr->ts.kind == 1)
   11201           68 :        fndecl = gfor_fndecl_adjustr;
   11202           55 :       else if (expr->ts.kind == 4)
   11203           55 :        fndecl = gfor_fndecl_adjustr_char4;
   11204              :       else
   11205            0 :        gcc_unreachable ();
   11206              : 
   11207          123 :       gfc_conv_intrinsic_adjust (se, expr, fndecl);
   11208          123 :       break;
   11209              : 
   11210          428 :     case GFC_ISYM_AIMAG:
   11211          428 :       gfc_conv_intrinsic_imagpart (se, expr);
   11212          428 :       break;
   11213              : 
   11214          146 :     case GFC_ISYM_AINT:
   11215          146 :       gfc_conv_intrinsic_aint (se, expr, RND_TRUNC);
   11216          146 :       break;
   11217              : 
   11218          420 :     case GFC_ISYM_ALL:
   11219          420 :       gfc_conv_intrinsic_anyall (se, expr, EQ_EXPR);
   11220          420 :       break;
   11221              : 
   11222           74 :     case GFC_ISYM_ANINT:
   11223           74 :       gfc_conv_intrinsic_aint (se, expr, RND_ROUND);
   11224           74 :       break;
   11225              : 
   11226           90 :     case GFC_ISYM_AND:
   11227           90 :       gfc_conv_intrinsic_bitop (se, expr, BIT_AND_EXPR);
   11228           90 :       break;
   11229              : 
   11230        37366 :     case GFC_ISYM_ANY:
   11231        37366 :       gfc_conv_intrinsic_anyall (se, expr, NE_EXPR);
   11232        37366 :       break;
   11233              : 
   11234          216 :     case GFC_ISYM_ACOSD:
   11235          216 :     case GFC_ISYM_ASIND:
   11236          216 :     case GFC_ISYM_ATAND:
   11237          216 :       gfc_conv_intrinsic_atrigd (se, expr, expr->value.function.isym->id);
   11238          216 :       break;
   11239              : 
   11240          102 :     case GFC_ISYM_COTAN:
   11241          102 :       gfc_conv_intrinsic_cotan (se, expr);
   11242          102 :       break;
   11243              : 
   11244          108 :     case GFC_ISYM_COTAND:
   11245          108 :       gfc_conv_intrinsic_cotand (se, expr);
   11246          108 :       break;
   11247              : 
   11248          120 :     case GFC_ISYM_ATAN2D:
   11249          120 :       gfc_conv_intrinsic_atan2d (se, expr);
   11250          120 :       break;
   11251              : 
   11252          145 :     case GFC_ISYM_BTEST:
   11253          145 :       gfc_conv_intrinsic_btest (se, expr);
   11254          145 :       break;
   11255              : 
   11256           54 :     case GFC_ISYM_BGE:
   11257           54 :       gfc_conv_intrinsic_bitcomp (se, expr, GE_EXPR);
   11258           54 :       break;
   11259              : 
   11260           54 :     case GFC_ISYM_BGT:
   11261           54 :       gfc_conv_intrinsic_bitcomp (se, expr, GT_EXPR);
   11262           54 :       break;
   11263              : 
   11264           54 :     case GFC_ISYM_BLE:
   11265           54 :       gfc_conv_intrinsic_bitcomp (se, expr, LE_EXPR);
   11266           54 :       break;
   11267              : 
   11268           54 :     case GFC_ISYM_BLT:
   11269           54 :       gfc_conv_intrinsic_bitcomp (se, expr, LT_EXPR);
   11270           54 :       break;
   11271              : 
   11272         9481 :     case GFC_ISYM_C_ASSOCIATED:
   11273         9481 :     case GFC_ISYM_C_FUNLOC:
   11274         9481 :     case GFC_ISYM_C_LOC:
   11275         9481 :     case GFC_ISYM_F_C_STRING:
   11276         9481 :       conv_isocbinding_function (se, expr);
   11277         9481 :       break;
   11278              : 
   11279         2020 :     case GFC_ISYM_ACHAR:
   11280         2020 :     case GFC_ISYM_CHAR:
   11281         2020 :       gfc_conv_intrinsic_char (se, expr);
   11282         2020 :       break;
   11283              : 
   11284        39278 :     case GFC_ISYM_CONVERSION:
   11285        39278 :     case GFC_ISYM_DBLE:
   11286        39278 :     case GFC_ISYM_DFLOAT:
   11287        39278 :     case GFC_ISYM_FLOAT:
   11288        39278 :     case GFC_ISYM_LOGICAL:
   11289        39278 :     case GFC_ISYM_REAL:
   11290        39278 :     case GFC_ISYM_REALPART:
   11291        39278 :     case GFC_ISYM_SNGL:
   11292        39278 :       gfc_conv_intrinsic_conversion (se, expr);
   11293        39278 :       break;
   11294              : 
   11295              :       /* Integer conversions are handled separately to make sure we get the
   11296              :          correct rounding mode.  */
   11297         2806 :     case GFC_ISYM_INT:
   11298         2806 :     case GFC_ISYM_INT2:
   11299         2806 :     case GFC_ISYM_INT8:
   11300         2806 :     case GFC_ISYM_LONG:
   11301         2806 :     case GFC_ISYM_UINT:
   11302         2806 :       gfc_conv_intrinsic_int (se, expr, RND_TRUNC);
   11303         2806 :       break;
   11304              : 
   11305          162 :     case GFC_ISYM_NINT:
   11306          162 :       gfc_conv_intrinsic_int (se, expr, RND_ROUND);
   11307          162 :       break;
   11308              : 
   11309           16 :     case GFC_ISYM_CEILING:
   11310           16 :       gfc_conv_intrinsic_int (se, expr, RND_CEIL);
   11311           16 :       break;
   11312              : 
   11313          116 :     case GFC_ISYM_FLOOR:
   11314          116 :       gfc_conv_intrinsic_int (se, expr, RND_FLOOR);
   11315          116 :       break;
   11316              : 
   11317         3133 :     case GFC_ISYM_MOD:
   11318         3133 :       gfc_conv_intrinsic_mod (se, expr, 0);
   11319         3133 :       break;
   11320              : 
   11321          440 :     case GFC_ISYM_MODULO:
   11322          440 :       gfc_conv_intrinsic_mod (se, expr, 1);
   11323          440 :       break;
   11324              : 
   11325          999 :     case GFC_ISYM_CAF_GET:
   11326          999 :       gfc_conv_intrinsic_caf_get (se, expr, NULL_TREE, false, NULL);
   11327          999 :       break;
   11328              : 
   11329          167 :     case GFC_ISYM_CAF_IS_PRESENT_ON_REMOTE:
   11330          167 :       gfc_conv_intrinsic_caf_is_present_remote (se, expr);
   11331          167 :       break;
   11332              : 
   11333          485 :     case GFC_ISYM_CMPLX:
   11334          485 :       gfc_conv_intrinsic_cmplx (se, expr, name[5] == '1');
   11335          485 :       break;
   11336              : 
   11337           10 :     case GFC_ISYM_COMMAND_ARGUMENT_COUNT:
   11338           10 :       gfc_conv_intrinsic_iargc (se, expr);
   11339           10 :       break;
   11340              : 
   11341            6 :     case GFC_ISYM_COMPLEX:
   11342            6 :       gfc_conv_intrinsic_cmplx (se, expr, 1);
   11343            6 :       break;
   11344              : 
   11345          257 :     case GFC_ISYM_CONJG:
   11346          257 :       gfc_conv_intrinsic_conjg (se, expr);
   11347          257 :       break;
   11348              : 
   11349            4 :     case GFC_ISYM_COSHAPE:
   11350            4 :       conv_intrinsic_cobound (se, expr);
   11351            4 :       break;
   11352              : 
   11353          143 :     case GFC_ISYM_COUNT:
   11354          143 :       gfc_conv_intrinsic_count (se, expr);
   11355          143 :       break;
   11356              : 
   11357            0 :     case GFC_ISYM_CTIME:
   11358            0 :       gfc_conv_intrinsic_ctime (se, expr);
   11359            0 :       break;
   11360              : 
   11361           96 :     case GFC_ISYM_DIM:
   11362           96 :       gfc_conv_intrinsic_dim (se, expr);
   11363           96 :       break;
   11364              : 
   11365          113 :     case GFC_ISYM_DOT_PRODUCT:
   11366          113 :       gfc_conv_intrinsic_dot_product (se, expr);
   11367          113 :       break;
   11368              : 
   11369           13 :     case GFC_ISYM_DPROD:
   11370           13 :       gfc_conv_intrinsic_dprod (se, expr);
   11371           13 :       break;
   11372              : 
   11373           66 :     case GFC_ISYM_DSHIFTL:
   11374           66 :       gfc_conv_intrinsic_dshift (se, expr, true);
   11375           66 :       break;
   11376              : 
   11377           66 :     case GFC_ISYM_DSHIFTR:
   11378           66 :       gfc_conv_intrinsic_dshift (se, expr, false);
   11379           66 :       break;
   11380              : 
   11381            0 :     case GFC_ISYM_FDATE:
   11382            0 :       gfc_conv_intrinsic_fdate (se, expr);
   11383            0 :       break;
   11384              : 
   11385           60 :     case GFC_ISYM_FRACTION:
   11386           60 :       gfc_conv_intrinsic_fraction (se, expr);
   11387           60 :       break;
   11388              : 
   11389           24 :     case GFC_ISYM_IALL:
   11390           24 :       gfc_conv_intrinsic_arith (se, expr, BIT_AND_EXPR, false);
   11391           24 :       break;
   11392              : 
   11393          606 :     case GFC_ISYM_IAND:
   11394          606 :       gfc_conv_intrinsic_bitop (se, expr, BIT_AND_EXPR);
   11395          606 :       break;
   11396              : 
   11397           12 :     case GFC_ISYM_IANY:
   11398           12 :       gfc_conv_intrinsic_arith (se, expr, BIT_IOR_EXPR, false);
   11399           12 :       break;
   11400              : 
   11401          168 :     case GFC_ISYM_IBCLR:
   11402          168 :       gfc_conv_intrinsic_singlebitop (se, expr, 0);
   11403          168 :       break;
   11404              : 
   11405           27 :     case GFC_ISYM_IBITS:
   11406           27 :       gfc_conv_intrinsic_ibits (se, expr);
   11407           27 :       break;
   11408              : 
   11409          138 :     case GFC_ISYM_IBSET:
   11410          138 :       gfc_conv_intrinsic_singlebitop (se, expr, 1);
   11411          138 :       break;
   11412              : 
   11413         2033 :     case GFC_ISYM_IACHAR:
   11414         2033 :     case GFC_ISYM_ICHAR:
   11415              :       /* We assume ASCII character sequence.  */
   11416         2033 :       gfc_conv_intrinsic_ichar (se, expr);
   11417         2033 :       break;
   11418              : 
   11419            2 :     case GFC_ISYM_IARGC:
   11420            2 :       gfc_conv_intrinsic_iargc (se, expr);
   11421            2 :       break;
   11422              : 
   11423          694 :     case GFC_ISYM_IEOR:
   11424          694 :       gfc_conv_intrinsic_bitop (se, expr, BIT_XOR_EXPR);
   11425          694 :       break;
   11426              : 
   11427          341 :     case GFC_ISYM_INDEX:
   11428          341 :       kind = expr->value.function.actual->expr->ts.kind;
   11429          341 :       if (kind == 1)
   11430          275 :        fndecl = gfor_fndecl_string_index;
   11431           66 :       else if (kind == 4)
   11432           66 :        fndecl = gfor_fndecl_string_index_char4;
   11433              :       else
   11434            0 :        gcc_unreachable ();
   11435              : 
   11436          341 :       gfc_conv_intrinsic_index_scan_verify (se, expr, fndecl);
   11437          341 :       break;
   11438              : 
   11439          495 :     case GFC_ISYM_IOR:
   11440          495 :       gfc_conv_intrinsic_bitop (se, expr, BIT_IOR_EXPR);
   11441          495 :       break;
   11442              : 
   11443           12 :     case GFC_ISYM_IPARITY:
   11444           12 :       gfc_conv_intrinsic_arith (se, expr, BIT_XOR_EXPR, false);
   11445           12 :       break;
   11446              : 
   11447            6 :     case GFC_ISYM_IS_IOSTAT_END:
   11448            6 :       gfc_conv_has_intvalue (se, expr, LIBERROR_END);
   11449            6 :       break;
   11450              : 
   11451           18 :     case GFC_ISYM_IS_IOSTAT_EOR:
   11452           18 :       gfc_conv_has_intvalue (se, expr, LIBERROR_EOR);
   11453           18 :       break;
   11454              : 
   11455          735 :     case GFC_ISYM_IS_CONTIGUOUS:
   11456          735 :       gfc_conv_intrinsic_is_contiguous (se, expr);
   11457          735 :       break;
   11458              : 
   11459          432 :     case GFC_ISYM_ISNAN:
   11460          432 :       gfc_conv_intrinsic_isnan (se, expr);
   11461          432 :       break;
   11462              : 
   11463            8 :     case GFC_ISYM_KILL:
   11464            8 :       conv_intrinsic_kill (se, expr);
   11465            8 :       break;
   11466              : 
   11467           90 :     case GFC_ISYM_LSHIFT:
   11468           90 :       gfc_conv_intrinsic_shift (se, expr, false, false);
   11469           90 :       break;
   11470              : 
   11471           24 :     case GFC_ISYM_RSHIFT:
   11472           24 :       gfc_conv_intrinsic_shift (se, expr, true, true);
   11473           24 :       break;
   11474              : 
   11475           78 :     case GFC_ISYM_SHIFTA:
   11476           78 :       gfc_conv_intrinsic_shift (se, expr, true, true);
   11477           78 :       break;
   11478              : 
   11479          234 :     case GFC_ISYM_SHIFTL:
   11480          234 :       gfc_conv_intrinsic_shift (se, expr, false, false);
   11481          234 :       break;
   11482              : 
   11483           66 :     case GFC_ISYM_SHIFTR:
   11484           66 :       gfc_conv_intrinsic_shift (se, expr, true, false);
   11485           66 :       break;
   11486              : 
   11487          318 :     case GFC_ISYM_ISHFT:
   11488          318 :       gfc_conv_intrinsic_ishft (se, expr);
   11489          318 :       break;
   11490              : 
   11491          658 :     case GFC_ISYM_ISHFTC:
   11492          658 :       gfc_conv_intrinsic_ishftc (se, expr);
   11493          658 :       break;
   11494              : 
   11495          270 :     case GFC_ISYM_LEADZ:
   11496          270 :       gfc_conv_intrinsic_leadz (se, expr);
   11497          270 :       break;
   11498              : 
   11499          282 :     case GFC_ISYM_TRAILZ:
   11500          282 :       gfc_conv_intrinsic_trailz (se, expr);
   11501          282 :       break;
   11502              : 
   11503          103 :     case GFC_ISYM_POPCNT:
   11504          103 :       gfc_conv_intrinsic_popcnt_poppar (se, expr, 0);
   11505          103 :       break;
   11506              : 
   11507           31 :     case GFC_ISYM_POPPAR:
   11508           31 :       gfc_conv_intrinsic_popcnt_poppar (se, expr, 1);
   11509           31 :       break;
   11510              : 
   11511         5503 :     case GFC_ISYM_LBOUND:
   11512         5503 :       gfc_conv_intrinsic_bound (se, expr, GFC_ISYM_LBOUND);
   11513         5503 :       break;
   11514              : 
   11515          210 :     case GFC_ISYM_LCOBOUND:
   11516          210 :       conv_intrinsic_cobound (se, expr);
   11517          210 :       break;
   11518              : 
   11519          744 :     case GFC_ISYM_TRANSPOSE:
   11520              :       /* The scalarizer has already been set up for reversed dimension access
   11521              :          order ; now we just get the argument value normally.  */
   11522          744 :       gfc_conv_expr (se, expr->value.function.actual->expr);
   11523          744 :       break;
   11524              : 
   11525         5765 :     case GFC_ISYM_LEN:
   11526         5765 :       gfc_conv_intrinsic_len (se, expr);
   11527         5765 :       break;
   11528              : 
   11529         2333 :     case GFC_ISYM_LEN_TRIM:
   11530         2333 :       gfc_conv_intrinsic_len_trim (se, expr);
   11531         2333 :       break;
   11532              : 
   11533           18 :     case GFC_ISYM_LGE:
   11534           18 :       gfc_conv_intrinsic_strcmp (se, expr, GE_EXPR);
   11535           18 :       break;
   11536              : 
   11537           36 :     case GFC_ISYM_LGT:
   11538           36 :       gfc_conv_intrinsic_strcmp (se, expr, GT_EXPR);
   11539           36 :       break;
   11540              : 
   11541           18 :     case GFC_ISYM_LLE:
   11542           18 :       gfc_conv_intrinsic_strcmp (se, expr, LE_EXPR);
   11543           18 :       break;
   11544              : 
   11545           27 :     case GFC_ISYM_LLT:
   11546           27 :       gfc_conv_intrinsic_strcmp (se, expr, LT_EXPR);
   11547           27 :       break;
   11548              : 
   11549           16 :     case GFC_ISYM_MALLOC:
   11550           16 :       gfc_conv_intrinsic_malloc (se, expr);
   11551           16 :       break;
   11552              : 
   11553           32 :     case GFC_ISYM_MASKL:
   11554           32 :       gfc_conv_intrinsic_mask (se, expr, 1);
   11555           32 :       break;
   11556              : 
   11557           32 :     case GFC_ISYM_MASKR:
   11558           32 :       gfc_conv_intrinsic_mask (se, expr, 0);
   11559           32 :       break;
   11560              : 
   11561         1049 :     case GFC_ISYM_MAX:
   11562         1049 :       if (expr->ts.type == BT_CHARACTER)
   11563          138 :         gfc_conv_intrinsic_minmax_char (se, expr, 1);
   11564              :       else
   11565          911 :         gfc_conv_intrinsic_minmax (se, expr, GT_EXPR);
   11566              :       break;
   11567              : 
   11568         6348 :     case GFC_ISYM_MAXLOC:
   11569         6348 :       gfc_conv_intrinsic_minmaxloc (se, expr, GT_EXPR);
   11570         6348 :       break;
   11571              : 
   11572          216 :     case GFC_ISYM_FINDLOC:
   11573          216 :       gfc_conv_intrinsic_findloc (se, expr);
   11574          216 :       break;
   11575              : 
   11576         1101 :     case GFC_ISYM_MAXVAL:
   11577         1101 :       gfc_conv_intrinsic_minmaxval (se, expr, GT_EXPR);
   11578         1101 :       break;
   11579              : 
   11580          949 :     case GFC_ISYM_MERGE:
   11581          949 :       gfc_conv_intrinsic_merge (se, expr);
   11582          949 :       break;
   11583              : 
   11584           42 :     case GFC_ISYM_MERGE_BITS:
   11585           42 :       gfc_conv_intrinsic_merge_bits (se, expr);
   11586           42 :       break;
   11587              : 
   11588          597 :     case GFC_ISYM_MIN:
   11589          597 :       if (expr->ts.type == BT_CHARACTER)
   11590          144 :         gfc_conv_intrinsic_minmax_char (se, expr, -1);
   11591              :       else
   11592          453 :         gfc_conv_intrinsic_minmax (se, expr, LT_EXPR);
   11593              :       break;
   11594              : 
   11595         7176 :     case GFC_ISYM_MINLOC:
   11596         7176 :       gfc_conv_intrinsic_minmaxloc (se, expr, LT_EXPR);
   11597         7176 :       break;
   11598              : 
   11599         1316 :     case GFC_ISYM_MINVAL:
   11600         1316 :       gfc_conv_intrinsic_minmaxval (se, expr, LT_EXPR);
   11601         1316 :       break;
   11602              : 
   11603         1595 :     case GFC_ISYM_NEAREST:
   11604         1595 :       gfc_conv_intrinsic_nearest (se, expr);
   11605         1595 :       break;
   11606              : 
   11607           68 :     case GFC_ISYM_NORM2:
   11608           68 :       gfc_conv_intrinsic_arith (se, expr, PLUS_EXPR, true);
   11609           68 :       break;
   11610              : 
   11611          230 :     case GFC_ISYM_NOT:
   11612          230 :       gfc_conv_intrinsic_not (se, expr);
   11613          230 :       break;
   11614              : 
   11615           12 :     case GFC_ISYM_OR:
   11616           12 :       gfc_conv_intrinsic_bitop (se, expr, BIT_IOR_EXPR);
   11617           12 :       break;
   11618              : 
   11619          468 :     case GFC_ISYM_OUT_OF_RANGE:
   11620          468 :       gfc_conv_intrinsic_out_of_range (se, expr);
   11621          468 :       break;
   11622              : 
   11623           36 :     case GFC_ISYM_PARITY:
   11624           36 :       gfc_conv_intrinsic_arith (se, expr, NE_EXPR, false);
   11625           36 :       break;
   11626              : 
   11627         5070 :     case GFC_ISYM_PRESENT:
   11628         5070 :       gfc_conv_intrinsic_present (se, expr);
   11629         5070 :       break;
   11630              : 
   11631          346 :     case GFC_ISYM_PRODUCT:
   11632          346 :       gfc_conv_intrinsic_arith (se, expr, MULT_EXPR, false);
   11633          346 :       break;
   11634              : 
   11635        12136 :     case GFC_ISYM_RANK:
   11636        12136 :       gfc_conv_intrinsic_rank (se, expr);
   11637        12136 :       break;
   11638              : 
   11639           48 :     case GFC_ISYM_RRSPACING:
   11640           48 :       gfc_conv_intrinsic_rrspacing (se, expr);
   11641           48 :       break;
   11642              : 
   11643          262 :     case GFC_ISYM_SET_EXPONENT:
   11644          262 :       gfc_conv_intrinsic_set_exponent (se, expr);
   11645          262 :       break;
   11646              : 
   11647           72 :     case GFC_ISYM_SCALE:
   11648           72 :       gfc_conv_intrinsic_scale (se, expr);
   11649           72 :       break;
   11650              : 
   11651         4826 :     case GFC_ISYM_SHAPE:
   11652         4826 :       gfc_conv_intrinsic_bound (se, expr, GFC_ISYM_SHAPE);
   11653         4826 :       break;
   11654              : 
   11655          423 :     case GFC_ISYM_SIGN:
   11656          423 :       gfc_conv_intrinsic_sign (se, expr);
   11657          423 :       break;
   11658              : 
   11659        15020 :     case GFC_ISYM_SIZE:
   11660        15020 :       gfc_conv_intrinsic_size (se, expr);
   11661        15020 :       break;
   11662              : 
   11663         1309 :     case GFC_ISYM_SIZEOF:
   11664         1309 :     case GFC_ISYM_C_SIZEOF:
   11665         1309 :       gfc_conv_intrinsic_sizeof (se, expr);
   11666         1309 :       break;
   11667              : 
   11668          834 :     case GFC_ISYM_STORAGE_SIZE:
   11669          834 :       gfc_conv_intrinsic_storage_size (se, expr);
   11670          834 :       break;
   11671              : 
   11672           70 :     case GFC_ISYM_SPACING:
   11673           70 :       gfc_conv_intrinsic_spacing (se, expr);
   11674           70 :       break;
   11675              : 
   11676         2193 :     case GFC_ISYM_STRIDE:
   11677         2193 :       conv_intrinsic_stride (se, expr);
   11678         2193 :       break;
   11679              : 
   11680         2003 :     case GFC_ISYM_SUM:
   11681         2003 :       gfc_conv_intrinsic_arith (se, expr, PLUS_EXPR, false);
   11682         2003 :       break;
   11683              : 
   11684           21 :     case GFC_ISYM_TEAM_NUMBER:
   11685           21 :       conv_intrinsic_team_number (se, expr);
   11686           21 :       break;
   11687              : 
   11688         3954 :     case GFC_ISYM_TRANSFER:
   11689         3954 :       if (se->ss && se->ss->info->useflags)
   11690              :         /* Access the previously obtained result.  */
   11691          281 :         gfc_conv_tmp_array_ref (se);
   11692              :       else
   11693         3673 :         gfc_conv_intrinsic_transfer (se, expr);
   11694              :       break;
   11695              : 
   11696            0 :     case GFC_ISYM_TTYNAM:
   11697            0 :       gfc_conv_intrinsic_ttynam (se, expr);
   11698            0 :       break;
   11699              : 
   11700         5687 :     case GFC_ISYM_UBOUND:
   11701         5687 :       gfc_conv_intrinsic_bound (se, expr, GFC_ISYM_UBOUND);
   11702         5687 :       break;
   11703              : 
   11704          244 :     case GFC_ISYM_UCOBOUND:
   11705          244 :       conv_intrinsic_cobound (se, expr);
   11706          244 :       break;
   11707              : 
   11708           18 :     case GFC_ISYM_XOR:
   11709           18 :       gfc_conv_intrinsic_bitop (se, expr, BIT_XOR_EXPR);
   11710           18 :       break;
   11711              : 
   11712         8786 :     case GFC_ISYM_LOC:
   11713         8786 :       gfc_conv_intrinsic_loc (se, expr);
   11714         8786 :       break;
   11715              : 
   11716         1499 :     case GFC_ISYM_THIS_IMAGE:
   11717              :       /* For num_images() == 1, handle as LCOBOUND.  */
   11718         1499 :       if (expr->value.function.actual->expr
   11719          526 :           && flag_coarray == GFC_FCOARRAY_SINGLE)
   11720          208 :         conv_intrinsic_cobound (se, expr);
   11721              :       else
   11722         1291 :         trans_this_image (se, expr);
   11723              :       break;
   11724              : 
   11725          193 :     case GFC_ISYM_IMAGE_INDEX:
   11726          193 :       trans_image_index (se, expr);
   11727          193 :       break;
   11728              : 
   11729           25 :     case GFC_ISYM_IMAGE_STATUS:
   11730           25 :       conv_intrinsic_image_status (se, expr);
   11731           25 :       break;
   11732              : 
   11733          806 :     case GFC_ISYM_NUM_IMAGES:
   11734          806 :       trans_num_images (se, expr);
   11735          806 :       break;
   11736              : 
   11737         1374 :     case GFC_ISYM_ACCESS:
   11738         1374 :     case GFC_ISYM_CHDIR:
   11739         1374 :     case GFC_ISYM_CHMOD:
   11740         1374 :     case GFC_ISYM_DTIME:
   11741         1374 :     case GFC_ISYM_ETIME:
   11742         1374 :     case GFC_ISYM_EXTENDS_TYPE_OF:
   11743         1374 :     case GFC_ISYM_FGET:
   11744         1374 :     case GFC_ISYM_FGETC:
   11745         1374 :     case GFC_ISYM_FNUM:
   11746         1374 :     case GFC_ISYM_FPUT:
   11747         1374 :     case GFC_ISYM_FPUTC:
   11748         1374 :     case GFC_ISYM_FSTAT:
   11749         1374 :     case GFC_ISYM_FTELL:
   11750         1374 :     case GFC_ISYM_GETCWD:
   11751         1374 :     case GFC_ISYM_GETGID:
   11752         1374 :     case GFC_ISYM_GETPID:
   11753         1374 :     case GFC_ISYM_GETUID:
   11754         1374 :     case GFC_ISYM_GET_TEAM:
   11755         1374 :     case GFC_ISYM_HOSTNM:
   11756         1374 :     case GFC_ISYM_IERRNO:
   11757         1374 :     case GFC_ISYM_IRAND:
   11758         1374 :     case GFC_ISYM_ISATTY:
   11759         1374 :     case GFC_ISYM_JN2:
   11760         1374 :     case GFC_ISYM_LINK:
   11761         1374 :     case GFC_ISYM_LSTAT:
   11762         1374 :     case GFC_ISYM_MATMUL:
   11763         1374 :     case GFC_ISYM_MCLOCK:
   11764         1374 :     case GFC_ISYM_MCLOCK8:
   11765         1374 :     case GFC_ISYM_RAND:
   11766         1374 :     case GFC_ISYM_REDUCE:
   11767         1374 :     case GFC_ISYM_RENAME:
   11768         1374 :     case GFC_ISYM_SECOND:
   11769         1374 :     case GFC_ISYM_SECNDS:
   11770         1374 :     case GFC_ISYM_SIGNAL:
   11771         1374 :     case GFC_ISYM_STAT:
   11772         1374 :     case GFC_ISYM_SYMLNK:
   11773         1374 :     case GFC_ISYM_SYSTEM:
   11774         1374 :     case GFC_ISYM_TIME:
   11775         1374 :     case GFC_ISYM_TIME8:
   11776         1374 :     case GFC_ISYM_UMASK:
   11777         1374 :     case GFC_ISYM_UNLINK:
   11778         1374 :     case GFC_ISYM_YN2:
   11779         1374 :       gfc_conv_intrinsic_funcall (se, expr);
   11780         1374 :       break;
   11781              : 
   11782            0 :     case GFC_ISYM_EOSHIFT:
   11783            0 :     case GFC_ISYM_PACK:
   11784            0 :     case GFC_ISYM_RESHAPE:
   11785              :       /* For those, expr->rank should always be >0 and thus the if above the
   11786              :          switch should have matched.  */
   11787            0 :       gcc_unreachable ();
   11788         3854 :       break;
   11789              : 
   11790         3854 :     default:
   11791         3854 :       gfc_conv_intrinsic_lib_function (se, expr);
   11792         3854 :       break;
   11793              :     }
   11794              : }
   11795              : 
   11796              : 
   11797              : static gfc_ss *
   11798         1560 : walk_inline_intrinsic_transpose (gfc_ss *ss, gfc_expr *expr)
   11799              : {
   11800         1560 :   gfc_ss *arg_ss, *tmp_ss;
   11801         1560 :   gfc_actual_arglist *arg;
   11802              : 
   11803         1560 :   arg = expr->value.function.actual;
   11804              : 
   11805         1560 :   gcc_assert (arg->expr);
   11806              : 
   11807         1560 :   arg_ss = gfc_walk_subexpr (gfc_ss_terminator, arg->expr);
   11808         1560 :   gcc_assert (arg_ss != gfc_ss_terminator);
   11809              : 
   11810              :   for (tmp_ss = arg_ss; ; tmp_ss = tmp_ss->next)
   11811              :     {
   11812         1665 :       if (tmp_ss->info->type != GFC_SS_SCALAR
   11813              :           && tmp_ss->info->type != GFC_SS_REFERENCE)
   11814              :         {
   11815         1628 :           gcc_assert (tmp_ss->dimen == 2);
   11816              : 
   11817              :           /* We just invert dimensions.  */
   11818         1628 :           std::swap (tmp_ss->dim[0], tmp_ss->dim[1]);
   11819              :         }
   11820              : 
   11821              :       /* Stop when tmp_ss points to the last valid element of the chain...  */
   11822         1665 :       if (tmp_ss->next == gfc_ss_terminator)
   11823              :         break;
   11824              :     }
   11825              : 
   11826              :   /* ... so that we can attach the rest of the chain to it.  */
   11827         1560 :   tmp_ss->next = ss;
   11828              : 
   11829         1560 :   return arg_ss;
   11830              : }
   11831              : 
   11832              : 
   11833              : /* Move the given dimension of the given gfc_ss list to a nested gfc_ss list.
   11834              :    This has the side effect of reversing the nested list, so there is no
   11835              :    need to call gfc_reverse_ss on it (the given list is assumed not to be
   11836              :    reversed yet).   */
   11837              : 
   11838              : static gfc_ss *
   11839         3371 : nest_loop_dimension (gfc_ss *ss, int dim)
   11840              : {
   11841         3371 :   int ss_dim, i;
   11842         3371 :   gfc_ss *new_ss, *prev_ss = gfc_ss_terminator;
   11843         3371 :   gfc_loopinfo *new_loop;
   11844              : 
   11845         3371 :   gcc_assert (ss != gfc_ss_terminator);
   11846              : 
   11847         8118 :   for (; ss != gfc_ss_terminator; ss = ss->next)
   11848              :     {
   11849         4747 :       new_ss = gfc_get_ss ();
   11850         4747 :       new_ss->next = prev_ss;
   11851         4747 :       new_ss->parent = ss;
   11852         4747 :       new_ss->info = ss->info;
   11853         4747 :       new_ss->info->refcount++;
   11854         4747 :       if (ss->dimen != 0)
   11855              :         {
   11856         4684 :           gcc_assert (ss->info->type != GFC_SS_SCALAR
   11857              :                       && ss->info->type != GFC_SS_REFERENCE);
   11858              : 
   11859         4684 :           new_ss->dimen = 1;
   11860         4684 :           new_ss->dim[0] = ss->dim[dim];
   11861              : 
   11862         4684 :           gcc_assert (dim < ss->dimen);
   11863              : 
   11864         4684 :           ss_dim = --ss->dimen;
   11865        10430 :           for (i = dim; i < ss_dim; i++)
   11866         5746 :             ss->dim[i] = ss->dim[i + 1];
   11867              : 
   11868         4684 :           ss->dim[ss_dim] = 0;
   11869              :         }
   11870         4747 :       prev_ss = new_ss;
   11871              : 
   11872         4747 :       if (ss->nested_ss)
   11873              :         {
   11874           81 :           ss->nested_ss->parent = new_ss;
   11875           81 :           new_ss->nested_ss = ss->nested_ss;
   11876              :         }
   11877         4747 :       ss->nested_ss = new_ss;
   11878              :     }
   11879              : 
   11880         3371 :   new_loop = gfc_get_loopinfo ();
   11881         3371 :   gfc_init_loopinfo (new_loop);
   11882              : 
   11883         3371 :   gcc_assert (prev_ss != NULL);
   11884         3371 :   gcc_assert (prev_ss != gfc_ss_terminator);
   11885         3371 :   gfc_add_ss_to_loop (new_loop, prev_ss);
   11886         3371 :   return new_ss->parent;
   11887              : }
   11888              : 
   11889              : 
   11890              : /* Create the gfc_ss list for the SUM/PRODUCT arguments when the function
   11891              :    is to be inlined.  */
   11892              : 
   11893              : static gfc_ss *
   11894          575 : walk_inline_intrinsic_arith (gfc_ss *ss, gfc_expr *expr)
   11895              : {
   11896          575 :   gfc_ss *tmp_ss, *tail, *array_ss;
   11897          575 :   gfc_actual_arglist *arg1, *arg2, *arg3;
   11898          575 :   int sum_dim;
   11899          575 :   bool scalar_mask = false;
   11900              : 
   11901              :   /* The rank of the result will be determined later.  */
   11902          575 :   arg1 = expr->value.function.actual;
   11903          575 :   arg2 = arg1->next;
   11904          575 :   arg3 = arg2->next;
   11905          575 :   gcc_assert (arg3 != NULL);
   11906              : 
   11907          575 :   if (expr->rank == 0)
   11908              :     return ss;
   11909              : 
   11910          575 :   tmp_ss = gfc_ss_terminator;
   11911              : 
   11912          575 :   if (arg3->expr)
   11913              :     {
   11914          118 :       gfc_ss *mask_ss;
   11915              : 
   11916          118 :       mask_ss = gfc_walk_subexpr (tmp_ss, arg3->expr);
   11917          118 :       if (mask_ss == tmp_ss)
   11918           34 :         scalar_mask = 1;
   11919              : 
   11920              :       tmp_ss = mask_ss;
   11921              :     }
   11922              : 
   11923          575 :   array_ss = gfc_walk_subexpr (tmp_ss, arg1->expr);
   11924          575 :   gcc_assert (array_ss != tmp_ss);
   11925              : 
   11926              :   /* Odd thing: If the mask is scalar, it is used by the frontend after
   11927              :      the array (to make an if around the nested loop). Thus it shall
   11928              :      be after array_ss once the gfc_ss list is reversed.  */
   11929          575 :   if (scalar_mask)
   11930           34 :     tmp_ss = gfc_get_scalar_ss (array_ss, arg3->expr);
   11931              :   else
   11932              :     tmp_ss = array_ss;
   11933              : 
   11934              :   /* "Hide" the dimension on which we will sum in the first arg's scalarization
   11935              :      chain.  */
   11936          575 :   sum_dim = mpz_get_si (arg2->expr->value.integer) - 1;
   11937          575 :   tail = nest_loop_dimension (tmp_ss, sum_dim);
   11938          575 :   tail->next = ss;
   11939              : 
   11940          575 :   return tmp_ss;
   11941              : }
   11942              : 
   11943              : 
   11944              : /* Create the gfc_ss list for the arguments to MINLOC or MAXLOC when the
   11945              :    function is to be inlined.  */
   11946              : 
   11947              : static gfc_ss *
   11948         6085 : walk_inline_intrinsic_minmaxloc (gfc_ss *ss, gfc_expr *expr ATTRIBUTE_UNUSED)
   11949              : {
   11950         6085 :   if (expr->rank == 0)
   11951              :     return ss;
   11952              : 
   11953         6085 :   gfc_actual_arglist *array_arg = expr->value.function.actual;
   11954         6085 :   gfc_actual_arglist *dim_arg = array_arg->next;
   11955         6085 :   gfc_actual_arglist *mask_arg = dim_arg->next;
   11956         6085 :   gfc_actual_arglist *kind_arg = mask_arg->next;
   11957         6085 :   gfc_actual_arglist *back_arg = kind_arg->next;
   11958              : 
   11959         6085 :   gfc_expr *array = array_arg->expr;
   11960         6085 :   gfc_expr *dim = dim_arg->expr;
   11961         6085 :   gfc_expr *mask = mask_arg->expr;
   11962         6085 :   gfc_expr *back = back_arg->expr;
   11963              : 
   11964         6085 :   if (dim == nullptr)
   11965         3289 :     return gfc_get_array_ss (ss, expr, 1, GFC_SS_INTRINSIC);
   11966              : 
   11967         2796 :   gfc_ss *tmp_ss = gfc_ss_terminator;
   11968              : 
   11969         2796 :   bool scalar_mask = false;
   11970         2796 :   if (mask)
   11971              :     {
   11972         1866 :       gfc_ss *mask_ss = gfc_walk_subexpr (tmp_ss, mask);
   11973         1866 :       if (mask_ss == tmp_ss)
   11974              :         scalar_mask = true;
   11975         1174 :       else if (maybe_absent_optional_variable (mask))
   11976           20 :         mask_ss->info->can_be_null_ref = true;
   11977              : 
   11978              :       tmp_ss = mask_ss;
   11979              :     }
   11980              : 
   11981         2796 :   gfc_ss *array_ss = gfc_walk_subexpr (tmp_ss, array);
   11982         2796 :   gcc_assert (array_ss != tmp_ss);
   11983              : 
   11984         2796 :   tmp_ss = array_ss;
   11985              : 
   11986              :   /* Move the dimension on which we will sum to a separate nested scalarization
   11987              :      chain, "hiding" that dimension from the outer scalarization.  */
   11988         2796 :   int dim_val = mpz_get_si (dim->value.integer);
   11989         2796 :   gfc_ss *tail = nest_loop_dimension (tmp_ss, dim_val - 1);
   11990              : 
   11991         2796 :   if (back && array->rank > 1)
   11992              :     {
   11993              :       /* If there are nested scalarization loops, include BACK in the
   11994              :          scalarization chains to avoid evaluating it multiple times in a loop.
   11995              :          Otherwise, prefer to handle it outside of scalarization.  */
   11996         2796 :       gfc_ss *back_ss = gfc_get_scalar_ss (ss, back);
   11997         2796 :       back_ss->info->type = GFC_SS_REFERENCE;
   11998         2796 :       if (maybe_absent_optional_variable (back))
   11999           16 :         back_ss->info->can_be_null_ref = true;
   12000              : 
   12001         2796 :       tail->next = back_ss;
   12002         2796 :     }
   12003              :   else
   12004            0 :     tail->next = ss;
   12005              : 
   12006         2796 :   if (scalar_mask)
   12007              :     {
   12008          692 :       tmp_ss = gfc_get_scalar_ss (tmp_ss, mask);
   12009              :       /* MASK can be a forwarded optional argument, so make the necessary setup
   12010              :          to avoid the scalarizer generating any unguarded pointer dereference in
   12011              :          that case.  */
   12012          692 :       tmp_ss->info->type = GFC_SS_REFERENCE;
   12013          692 :       if (maybe_absent_optional_variable (mask))
   12014            4 :         tmp_ss->info->can_be_null_ref = true;
   12015              :     }
   12016              : 
   12017              :   return tmp_ss;
   12018              : }
   12019              : 
   12020              : 
   12021              : static gfc_ss *
   12022         8220 : walk_inline_intrinsic_function (gfc_ss * ss, gfc_expr * expr)
   12023              : {
   12024              : 
   12025         8220 :   switch (expr->value.function.isym->id)
   12026              :     {
   12027          575 :       case GFC_ISYM_PRODUCT:
   12028          575 :       case GFC_ISYM_SUM:
   12029          575 :         return walk_inline_intrinsic_arith (ss, expr);
   12030              : 
   12031         1560 :       case GFC_ISYM_TRANSPOSE:
   12032         1560 :         return walk_inline_intrinsic_transpose (ss, expr);
   12033              : 
   12034         6085 :       case GFC_ISYM_MAXLOC:
   12035         6085 :       case GFC_ISYM_MINLOC:
   12036         6085 :         return walk_inline_intrinsic_minmaxloc (ss, expr);
   12037              : 
   12038            0 :       default:
   12039            0 :         gcc_unreachable ();
   12040              :     }
   12041              :   gcc_unreachable ();
   12042              : }
   12043              : 
   12044              : 
   12045              : /* This generates code to execute before entering the scalarization loop.
   12046              :    Currently does nothing.  */
   12047              : 
   12048              : void
   12049        11419 : gfc_add_intrinsic_ss_code (gfc_loopinfo * loop ATTRIBUTE_UNUSED, gfc_ss * ss)
   12050              : {
   12051        11419 :   switch (ss->info->expr->value.function.isym->id)
   12052              :     {
   12053        11419 :     case GFC_ISYM_UBOUND:
   12054        11419 :     case GFC_ISYM_LBOUND:
   12055        11419 :     case GFC_ISYM_COSHAPE:
   12056        11419 :     case GFC_ISYM_UCOBOUND:
   12057        11419 :     case GFC_ISYM_LCOBOUND:
   12058        11419 :     case GFC_ISYM_MAXLOC:
   12059        11419 :     case GFC_ISYM_MINLOC:
   12060        11419 :     case GFC_ISYM_THIS_IMAGE:
   12061        11419 :     case GFC_ISYM_SHAPE:
   12062        11419 :       break;
   12063              : 
   12064            0 :     default:
   12065            0 :       gcc_unreachable ();
   12066              :     }
   12067        11419 : }
   12068              : 
   12069              : 
   12070              : /* The LBOUND, LCOBOUND, UBOUND, UCOBOUND, and SHAPE intrinsics with
   12071              :    one parameter are expanded into code inside the scalarization loop.  */
   12072              : 
   12073              : static gfc_ss *
   12074         9975 : gfc_walk_intrinsic_bound (gfc_ss * ss, gfc_expr * expr)
   12075              : {
   12076         9975 :   if (expr->value.function.actual->expr->ts.type == BT_CLASS)
   12077          438 :     gfc_add_class_array_ref (expr->value.function.actual->expr);
   12078              : 
   12079              :   /* The two argument version returns a scalar.  */
   12080         9975 :   if (expr->value.function.isym->id != GFC_ISYM_SHAPE
   12081         3522 :       && expr->value.function.isym->id != GFC_ISYM_COSHAPE
   12082         3518 :       && expr->value.function.actual->next->expr)
   12083              :     return ss;
   12084              : 
   12085         9975 :   return gfc_get_array_ss (ss, expr, 1, GFC_SS_INTRINSIC);
   12086              : }
   12087              : 
   12088              : 
   12089              : /* Walk an intrinsic array libcall.  */
   12090              : 
   12091              : static gfc_ss *
   12092        14377 : gfc_walk_intrinsic_libfunc (gfc_ss * ss, gfc_expr * expr)
   12093              : {
   12094        14377 :   gcc_assert (expr->rank > 0);
   12095        14377 :   return gfc_get_array_ss (ss, expr, expr->rank, GFC_SS_FUNCTION);
   12096              : }
   12097              : 
   12098              : 
   12099              : /* Return whether the function call expression EXPR will be expanded
   12100              :    inline by gfc_conv_intrinsic_function.  */
   12101              : 
   12102              : bool
   12103       298384 : gfc_inline_intrinsic_function_p (gfc_expr *expr)
   12104              : {
   12105       298384 :   gfc_actual_arglist *args, *dim_arg, *mask_arg;
   12106       298384 :   gfc_expr *maskexpr;
   12107              : 
   12108       298384 :   gfc_intrinsic_sym *isym = expr->value.function.isym;
   12109       298384 :   if (!isym)
   12110              :     return false;
   12111              : 
   12112       298342 :   switch (isym->id)
   12113              :     {
   12114         5104 :     case GFC_ISYM_PRODUCT:
   12115         5104 :     case GFC_ISYM_SUM:
   12116              :       /* Disable inline expansion if code size matters.  */
   12117         5104 :       if (optimize_size)
   12118              :         return false;
   12119              : 
   12120         4249 :       args = expr->value.function.actual;
   12121         4249 :       dim_arg = args->next;
   12122              : 
   12123              :       /* We need to be able to subset the SUM argument at compile-time.  */
   12124         4249 :       if (dim_arg->expr && dim_arg->expr->expr_type != EXPR_CONSTANT)
   12125              :         return false;
   12126              : 
   12127              :       /* FIXME: If MASK is optional for a more than two-dimensional
   12128              :          argument, the scalarizer gets confused if the mask is
   12129              :          absent.  See PR 82995.  For now, fall back to the library
   12130              :          function.  */
   12131              : 
   12132         3637 :       mask_arg = dim_arg->next;
   12133         3637 :       maskexpr = mask_arg->expr;
   12134              : 
   12135         3637 :       if (expr->rank > 0 && maskexpr && maskexpr->expr_type == EXPR_VARIABLE
   12136          276 :           && maskexpr->symtree->n.sym->attr.dummy
   12137           48 :           && maskexpr->symtree->n.sym->attr.optional)
   12138              :         return false;
   12139              : 
   12140              :       return true;
   12141              : 
   12142              :     case GFC_ISYM_TRANSPOSE:
   12143              :       return true;
   12144              : 
   12145        57188 :     case GFC_ISYM_MINLOC:
   12146        57188 :     case GFC_ISYM_MAXLOC:
   12147        57188 :       {
   12148        57188 :         if ((isym->id == GFC_ISYM_MINLOC
   12149        30521 :              && (flag_inline_intrinsics
   12150        30521 :                  & GFC_FLAG_INLINE_INTRINSIC_MINLOC) == 0)
   12151        46611 :             || (isym->id == GFC_ISYM_MAXLOC
   12152        26667 :                 && (flag_inline_intrinsics
   12153        26667 :                     & GFC_FLAG_INLINE_INTRINSIC_MAXLOC) == 0))
   12154              :           return false;
   12155              : 
   12156        37638 :         gfc_actual_arglist *array_arg = expr->value.function.actual;
   12157        37638 :         gfc_actual_arglist *dim_arg = array_arg->next;
   12158              : 
   12159        37638 :         gfc_expr *array = array_arg->expr;
   12160        37638 :         gfc_expr *dim = dim_arg->expr;
   12161              : 
   12162        37638 :         if (!(array->ts.type == BT_INTEGER
   12163              :               || array->ts.type == BT_REAL))
   12164              :           return false;
   12165              : 
   12166        34658 :         if (array->rank == 1)
   12167              :           return true;
   12168              : 
   12169        20711 :         if (dim != nullptr
   12170        13372 :             && dim->expr_type != EXPR_CONSTANT)
   12171              :           return false;
   12172              : 
   12173              :         return true;
   12174              :       }
   12175              : 
   12176              :     default:
   12177              :       return false;
   12178              :     }
   12179              : }
   12180              : 
   12181              : 
   12182              : /* Returns nonzero if the specified intrinsic function call maps directly to
   12183              :    an external library call.  Should only be used for functions that return
   12184              :    arrays.  */
   12185              : 
   12186              : int
   12187        87235 : gfc_is_intrinsic_libcall (gfc_expr * expr)
   12188              : {
   12189        87235 :   gcc_assert (expr->expr_type == EXPR_FUNCTION && expr->value.function.isym);
   12190        87235 :   gcc_assert (expr->rank > 0);
   12191              : 
   12192        87235 :   if (gfc_inline_intrinsic_function_p (expr))
   12193              :     return 0;
   12194              : 
   12195        72653 :   switch (expr->value.function.isym->id)
   12196              :     {
   12197              :     case GFC_ISYM_ALL:
   12198              :     case GFC_ISYM_ANY:
   12199              :     case GFC_ISYM_COUNT:
   12200              :     case GFC_ISYM_FINDLOC:
   12201              :     case GFC_ISYM_JN2:
   12202              :     case GFC_ISYM_IANY:
   12203              :     case GFC_ISYM_IALL:
   12204              :     case GFC_ISYM_IPARITY:
   12205              :     case GFC_ISYM_MATMUL:
   12206              :     case GFC_ISYM_MAXLOC:
   12207              :     case GFC_ISYM_MAXVAL:
   12208              :     case GFC_ISYM_MINLOC:
   12209              :     case GFC_ISYM_MINVAL:
   12210              :     case GFC_ISYM_NORM2:
   12211              :     case GFC_ISYM_PARITY:
   12212              :     case GFC_ISYM_PRODUCT:
   12213              :     case GFC_ISYM_SUM:
   12214              :     case GFC_ISYM_SPREAD:
   12215              :     case GFC_ISYM_YN2:
   12216              :       /* Ignore absent optional parameters.  */
   12217              :       return 1;
   12218              : 
   12219        15753 :     case GFC_ISYM_CSHIFT:
   12220        15753 :     case GFC_ISYM_EOSHIFT:
   12221        15753 :     case GFC_ISYM_GET_TEAM:
   12222        15753 :     case GFC_ISYM_FAILED_IMAGES:
   12223        15753 :     case GFC_ISYM_STOPPED_IMAGES:
   12224        15753 :     case GFC_ISYM_PACK:
   12225        15753 :     case GFC_ISYM_REDUCE:
   12226        15753 :     case GFC_ISYM_RESHAPE:
   12227        15753 :     case GFC_ISYM_UNPACK:
   12228              :       /* Pass absent optional parameters.  */
   12229        15753 :       return 2;
   12230              : 
   12231              :     default:
   12232              :       return 0;
   12233              :     }
   12234              : }
   12235              : 
   12236              : /* Walk an intrinsic function.  */
   12237              : gfc_ss *
   12238        55219 : gfc_walk_intrinsic_function (gfc_ss * ss, gfc_expr * expr,
   12239              :                              gfc_intrinsic_sym * isym)
   12240              : {
   12241        55219 :   gcc_assert (isym);
   12242              : 
   12243        55219 :   if (isym->elemental)
   12244        18195 :     return gfc_walk_elemental_function_args (ss, expr->value.function.actual,
   12245              :                                              expr->value.function.isym,
   12246        18195 :                                              GFC_SS_SCALAR);
   12247              : 
   12248        37024 :   if (expr->rank == 0 && expr->corank == 0)
   12249              :     return ss;
   12250              : 
   12251        32572 :   if (gfc_inline_intrinsic_function_p (expr))
   12252         8220 :     return walk_inline_intrinsic_function (ss, expr);
   12253              : 
   12254        24352 :   if (expr->rank != 0 && gfc_is_intrinsic_libcall (expr))
   12255        13394 :     return gfc_walk_intrinsic_libfunc (ss, expr);
   12256              : 
   12257              :   /* Special cases.  */
   12258        10958 :   switch (isym->id)
   12259              :     {
   12260         9975 :     case GFC_ISYM_COSHAPE:
   12261         9975 :     case GFC_ISYM_LBOUND:
   12262         9975 :     case GFC_ISYM_LCOBOUND:
   12263         9975 :     case GFC_ISYM_UBOUND:
   12264         9975 :     case GFC_ISYM_UCOBOUND:
   12265         9975 :     case GFC_ISYM_THIS_IMAGE:
   12266         9975 :     case GFC_ISYM_SHAPE:
   12267         9975 :       return gfc_walk_intrinsic_bound (ss, expr);
   12268              : 
   12269          983 :     case GFC_ISYM_TRANSFER:
   12270          983 :     case GFC_ISYM_CAF_GET:
   12271          983 :       return gfc_walk_intrinsic_libfunc (ss, expr);
   12272              : 
   12273            0 :     default:
   12274              :       /* This probably meant someone forgot to add an intrinsic to the above
   12275              :          list(s) when they implemented it, or something's gone horribly
   12276              :          wrong.  */
   12277            0 :       gcc_unreachable ();
   12278              :     }
   12279              : }
   12280              : 
   12281              : static tree
   12282           88 : conv_co_collective (gfc_code *code)
   12283              : {
   12284           88 :   gfc_se argse;
   12285           88 :   stmtblock_t block, post_block;
   12286           88 :   tree fndecl, array = NULL_TREE, strlen, image_index, stat, errmsg, errmsg_len;
   12287           88 :   gfc_expr *image_idx_expr, *stat_expr, *errmsg_expr, *opr_expr;
   12288              : 
   12289           88 :   gfc_start_block (&block);
   12290           88 :   gfc_init_block (&post_block);
   12291              : 
   12292           88 :   if (code->resolved_isym->id == GFC_ISYM_CO_REDUCE)
   12293              :     {
   12294           17 :       opr_expr = code->ext.actual->next->expr;
   12295           17 :       image_idx_expr = code->ext.actual->next->next->expr;
   12296           17 :       stat_expr = code->ext.actual->next->next->next->expr;
   12297           17 :       errmsg_expr = code->ext.actual->next->next->next->next->expr;
   12298              :     }
   12299              :   else
   12300              :     {
   12301           71 :       opr_expr = NULL;
   12302           71 :       image_idx_expr = code->ext.actual->next->expr;
   12303           71 :       stat_expr = code->ext.actual->next->next->expr;
   12304           71 :       errmsg_expr = code->ext.actual->next->next->next->expr;
   12305              :     }
   12306              : 
   12307              :   /* stat.  */
   12308           88 :   if (stat_expr)
   12309              :     {
   12310           59 :       gfc_init_se (&argse, NULL);
   12311           59 :       gfc_conv_expr (&argse, stat_expr);
   12312           59 :       gfc_add_block_to_block (&block, &argse.pre);
   12313           59 :       gfc_add_block_to_block (&post_block, &argse.post);
   12314           59 :       stat = argse.expr;
   12315           59 :       if (flag_coarray != GFC_FCOARRAY_SINGLE)
   12316           32 :         stat = gfc_build_addr_expr (NULL_TREE, stat);
   12317              :     }
   12318           29 :   else if (flag_coarray == GFC_FCOARRAY_SINGLE)
   12319              :     stat = NULL_TREE;
   12320              :   else
   12321           20 :     stat = null_pointer_node;
   12322              : 
   12323              :   /* Early exit for GFC_FCOARRAY_SINGLE.  */
   12324           88 :   if (flag_coarray == GFC_FCOARRAY_SINGLE)
   12325              :     {
   12326           36 :       if (stat != NULL_TREE)
   12327              :         {
   12328              :           /* For optional stats, check the pointer is valid before zero'ing.  */
   12329           27 :           if (gfc_expr_attr (stat_expr).optional)
   12330              :             {
   12331           12 :               tree tmp;
   12332           12 :               stmtblock_t ass_block;
   12333           12 :               gfc_start_block (&ass_block);
   12334           12 :               gfc_add_modify (&ass_block, stat,
   12335           12 :                               fold_convert (TREE_TYPE (stat),
   12336              :                                             integer_zero_node));
   12337           12 :               tmp = fold_build2 (NE_EXPR, logical_type_node,
   12338              :                                  gfc_build_addr_expr (NULL_TREE, stat),
   12339              :                                  null_pointer_node);
   12340           12 :               tmp = fold_build3 (COND_EXPR, void_type_node, tmp,
   12341              :                                  gfc_finish_block (&ass_block),
   12342              :                                  build_empty_stmt (input_location));
   12343           12 :               gfc_add_expr_to_block (&block, tmp);
   12344              :             }
   12345              :           else
   12346           15 :             gfc_add_modify (&block, stat,
   12347           15 :                             fold_convert (TREE_TYPE (stat), integer_zero_node));
   12348              :         }
   12349           36 :       return gfc_finish_block (&block);
   12350              :     }
   12351              : 
   12352            5 :   gfc_symbol *derived = code->ext.actual->expr->ts.type == BT_DERIVED
   12353           52 :     ? code->ext.actual->expr->ts.u.derived : NULL;
   12354              : 
   12355              :   /* Handle the array.  */
   12356           52 :   gfc_init_se (&argse, NULL);
   12357           52 :   if (!derived || !derived->attr.alloc_comp
   12358            1 :       || code->resolved_isym->id != GFC_ISYM_CO_BROADCAST)
   12359              :     {
   12360           51 :       if (code->ext.actual->expr->rank == 0)
   12361              :         {
   12362           22 :           symbol_attribute attr;
   12363           22 :           gfc_clear_attr (&attr);
   12364           22 :           gfc_init_se (&argse, NULL);
   12365           22 :           gfc_conv_expr (&argse, code->ext.actual->expr);
   12366           22 :           gfc_add_block_to_block (&block, &argse.pre);
   12367           22 :           gfc_add_block_to_block (&post_block, &argse.post);
   12368           22 :           array = gfc_conv_scalar_to_descriptor (&argse, argse.expr, attr);
   12369           22 :           array = gfc_build_addr_expr (NULL_TREE, array);
   12370              :         }
   12371              :       else
   12372              :         {
   12373           29 :           argse.want_pointer = 1;
   12374           29 :           gfc_conv_expr_descriptor (&argse, code->ext.actual->expr);
   12375           29 :           array = argse.expr;
   12376              :         }
   12377              :     }
   12378              : 
   12379           52 :   gfc_add_block_to_block (&block, &argse.pre);
   12380           52 :   gfc_add_block_to_block (&post_block, &argse.post);
   12381              : 
   12382           52 :   if (code->ext.actual->expr->ts.type == BT_CHARACTER)
   12383           15 :     strlen = argse.string_length;
   12384              :   else
   12385           37 :     strlen = integer_zero_node;
   12386              : 
   12387              :   /* image_index.  */
   12388           52 :   if (image_idx_expr)
   12389              :     {
   12390           35 :       gfc_init_se (&argse, NULL);
   12391           35 :       gfc_conv_expr (&argse, image_idx_expr);
   12392           35 :       gfc_add_block_to_block (&block, &argse.pre);
   12393           35 :       gfc_add_block_to_block (&post_block, &argse.post);
   12394           35 :       image_index = fold_convert (integer_type_node, argse.expr);
   12395              :     }
   12396              :   else
   12397           17 :     image_index = integer_zero_node;
   12398              : 
   12399              :   /* errmsg.  */
   12400           52 :   if (errmsg_expr)
   12401              :     {
   12402           25 :       gfc_init_se (&argse, NULL);
   12403           25 :       gfc_conv_expr (&argse, errmsg_expr);
   12404           25 :       gfc_add_block_to_block (&block, &argse.pre);
   12405           25 :       gfc_add_block_to_block (&post_block, &argse.post);
   12406           25 :       errmsg = argse.expr;
   12407           25 :       errmsg_len = fold_convert (size_type_node, argse.string_length);
   12408              :     }
   12409              :   else
   12410              :     {
   12411           27 :       errmsg = null_pointer_node;
   12412           27 :       errmsg_len = build_zero_cst (size_type_node);
   12413              :     }
   12414              : 
   12415              :   /* Generate the function call.  */
   12416           52 :   switch (code->resolved_isym->id)
   12417              :     {
   12418           20 :     case GFC_ISYM_CO_BROADCAST:
   12419           20 :       fndecl = gfor_fndecl_co_broadcast;
   12420           20 :       break;
   12421            8 :     case GFC_ISYM_CO_MAX:
   12422            8 :       fndecl = gfor_fndecl_co_max;
   12423            8 :       break;
   12424            6 :     case GFC_ISYM_CO_MIN:
   12425            6 :       fndecl = gfor_fndecl_co_min;
   12426            6 :       break;
   12427           12 :     case GFC_ISYM_CO_REDUCE:
   12428           12 :       fndecl = gfor_fndecl_co_reduce;
   12429           12 :       break;
   12430            6 :     case GFC_ISYM_CO_SUM:
   12431            6 :       fndecl = gfor_fndecl_co_sum;
   12432            6 :       break;
   12433            0 :     default:
   12434            0 :       gcc_unreachable ();
   12435              :     }
   12436              : 
   12437           52 :   if (derived && derived->attr.alloc_comp
   12438            1 :       && code->resolved_isym->id == GFC_ISYM_CO_BROADCAST)
   12439              :     /* The derived type has the attribute 'alloc_comp'.  */
   12440              :     {
   12441            2 :       tree tmp = gfc_bcast_alloc_comp (derived, code->ext.actual->expr,
   12442            1 :                                        code->ext.actual->expr->rank,
   12443              :                                        image_index, stat, errmsg, errmsg_len);
   12444            1 :       gfc_add_expr_to_block (&block, tmp);
   12445            1 :     }
   12446              :   else
   12447              :     {
   12448           51 :       if (code->resolved_isym->id == GFC_ISYM_CO_SUM
   12449           45 :           || code->resolved_isym->id == GFC_ISYM_CO_BROADCAST)
   12450           25 :         fndecl = build_call_expr_loc (input_location, fndecl, 5, array,
   12451              :                                       image_index, stat, errmsg, errmsg_len);
   12452           26 :       else if (code->resolved_isym->id != GFC_ISYM_CO_REDUCE)
   12453           14 :         fndecl = build_call_expr_loc (input_location, fndecl, 6, array,
   12454              :                                       image_index, stat, errmsg,
   12455              :                                       strlen, errmsg_len);
   12456              :       else
   12457              :         {
   12458           12 :           tree opr, opr_flags;
   12459              : 
   12460              :           // FIXME: Handle TS29113's bind(C) strings with descriptor.
   12461           12 :           int opr_flag_int;
   12462           12 :           if (gfc_is_proc_ptr_comp (opr_expr))
   12463              :             {
   12464            0 :               gfc_symbol *sym = gfc_get_proc_ptr_comp (opr_expr)->ts.interface;
   12465            0 :               opr_flag_int = sym->attr.dimension
   12466            0 :                 || (sym->ts.type == BT_CHARACTER
   12467            0 :                     && !sym->attr.is_bind_c)
   12468            0 :                 ? GFC_CAF_BYREF : 0;
   12469            0 :               opr_flag_int |= opr_expr->ts.type == BT_CHARACTER
   12470            0 :                 && !sym->attr.is_bind_c
   12471            0 :                 ? GFC_CAF_HIDDENLEN : 0;
   12472            0 :               opr_flag_int |= sym->formal->sym->attr.value
   12473            0 :                 ? GFC_CAF_ARG_VALUE : 0;
   12474              :             }
   12475              :           else
   12476              :             {
   12477           12 :               opr_flag_int = gfc_return_by_reference (opr_expr->symtree->n.sym)
   12478           12 :                 ? GFC_CAF_BYREF : 0;
   12479           24 :               opr_flag_int |= opr_expr->ts.type == BT_CHARACTER
   12480            0 :                 && !opr_expr->symtree->n.sym->attr.is_bind_c
   12481           12 :                 ? GFC_CAF_HIDDENLEN : 0;
   12482           12 :               opr_flag_int |= opr_expr->symtree->n.sym->formal->sym->attr.value
   12483           12 :                 ? GFC_CAF_ARG_VALUE : 0;
   12484              :             }
   12485           12 :           opr_flags = build_int_cst (integer_type_node, opr_flag_int);
   12486           12 :           gfc_conv_expr (&argse, opr_expr);
   12487           12 :           opr = argse.expr;
   12488           12 :           fndecl = build_call_expr_loc (input_location, fndecl, 8, array, opr,
   12489              :                                         opr_flags, image_index, stat, errmsg,
   12490              :                                         strlen, errmsg_len);
   12491              :         }
   12492              :     }
   12493              : 
   12494           52 :   gfc_add_expr_to_block (&block, fndecl);
   12495           52 :   gfc_add_block_to_block (&block, &post_block);
   12496              : 
   12497           52 :   return gfc_finish_block (&block);
   12498              : }
   12499              : 
   12500              : 
   12501              : static tree
   12502           95 : conv_intrinsic_atomic_op (gfc_code *code)
   12503              : {
   12504           95 :   gfc_se argse;
   12505           95 :   tree tmp, atom, value, old = NULL_TREE, stat = NULL_TREE;
   12506           95 :   stmtblock_t block, post_block;
   12507           95 :   gfc_expr *atom_expr = code->ext.actual->expr;
   12508           95 :   gfc_expr *stat_expr;
   12509           95 :   built_in_function fn;
   12510              : 
   12511           95 :   if (atom_expr->expr_type == EXPR_FUNCTION
   12512            0 :       && atom_expr->value.function.isym
   12513            0 :       && atom_expr->value.function.isym->id == GFC_ISYM_CAF_GET)
   12514            0 :     atom_expr = atom_expr->value.function.actual->expr;
   12515              : 
   12516           95 :   gfc_start_block (&block);
   12517           95 :   gfc_init_block (&post_block);
   12518              : 
   12519           95 :   gfc_init_se (&argse, NULL);
   12520           95 :   argse.want_pointer = 1;
   12521           95 :   gfc_conv_expr (&argse, atom_expr);
   12522           95 :   gfc_add_block_to_block (&block, &argse.pre);
   12523           95 :   gfc_add_block_to_block (&post_block, &argse.post);
   12524           95 :   atom = argse.expr;
   12525              : 
   12526           95 :   gfc_init_se (&argse, NULL);
   12527           95 :   if (flag_coarray == GFC_FCOARRAY_LIB
   12528           56 :       && code->ext.actual->next->expr->ts.kind == atom_expr->ts.kind)
   12529           54 :     argse.want_pointer = 1;
   12530           95 :   gfc_conv_expr (&argse, code->ext.actual->next->expr);
   12531           95 :   gfc_add_block_to_block (&block, &argse.pre);
   12532           95 :   gfc_add_block_to_block (&post_block, &argse.post);
   12533           95 :   value = argse.expr;
   12534              : 
   12535           95 :   switch (code->resolved_isym->id)
   12536              :     {
   12537           58 :     case GFC_ISYM_ATOMIC_ADD:
   12538           58 :     case GFC_ISYM_ATOMIC_AND:
   12539           58 :     case GFC_ISYM_ATOMIC_DEF:
   12540           58 :     case GFC_ISYM_ATOMIC_OR:
   12541           58 :     case GFC_ISYM_ATOMIC_XOR:
   12542           58 :       stat_expr = code->ext.actual->next->next->expr;
   12543           58 :       if (flag_coarray == GFC_FCOARRAY_LIB)
   12544           34 :         old = null_pointer_node;
   12545              :       break;
   12546           37 :     default:
   12547           37 :       gfc_init_se (&argse, NULL);
   12548           37 :       if (flag_coarray == GFC_FCOARRAY_LIB)
   12549           22 :         argse.want_pointer = 1;
   12550           37 :       gfc_conv_expr (&argse, code->ext.actual->next->next->expr);
   12551           37 :       gfc_add_block_to_block (&block, &argse.pre);
   12552           37 :       gfc_add_block_to_block (&post_block, &argse.post);
   12553           37 :       old = argse.expr;
   12554           37 :       stat_expr = code->ext.actual->next->next->next->expr;
   12555              :     }
   12556              : 
   12557              :   /* STAT=  */
   12558           95 :   if (stat_expr != NULL)
   12559              :     {
   12560           82 :       gcc_assert (stat_expr->expr_type == EXPR_VARIABLE);
   12561           82 :       gfc_init_se (&argse, NULL);
   12562           82 :       if (flag_coarray == GFC_FCOARRAY_LIB)
   12563           48 :         argse.want_pointer = 1;
   12564           82 :       gfc_conv_expr_val (&argse, stat_expr);
   12565           82 :       gfc_add_block_to_block (&block, &argse.pre);
   12566           82 :       gfc_add_block_to_block (&post_block, &argse.post);
   12567           82 :       stat = argse.expr;
   12568              :     }
   12569           13 :   else if (flag_coarray == GFC_FCOARRAY_LIB)
   12570            8 :     stat = null_pointer_node;
   12571              : 
   12572           95 :   if (flag_coarray == GFC_FCOARRAY_LIB)
   12573              :     {
   12574           56 :       tree image_index, caf_decl, offset, token;
   12575           56 :       int op;
   12576              : 
   12577           56 :       switch (code->resolved_isym->id)
   12578              :         {
   12579              :         case GFC_ISYM_ATOMIC_ADD:
   12580              :         case GFC_ISYM_ATOMIC_FETCH_ADD:
   12581              :           op = (int) GFC_CAF_ATOMIC_ADD;
   12582              :           break;
   12583           12 :         case GFC_ISYM_ATOMIC_AND:
   12584           12 :         case GFC_ISYM_ATOMIC_FETCH_AND:
   12585           12 :           op = (int) GFC_CAF_ATOMIC_AND;
   12586           12 :           break;
   12587           12 :         case GFC_ISYM_ATOMIC_OR:
   12588           12 :         case GFC_ISYM_ATOMIC_FETCH_OR:
   12589           12 :           op = (int) GFC_CAF_ATOMIC_OR;
   12590           12 :           break;
   12591           12 :         case GFC_ISYM_ATOMIC_XOR:
   12592           12 :         case GFC_ISYM_ATOMIC_FETCH_XOR:
   12593           12 :           op = (int) GFC_CAF_ATOMIC_XOR;
   12594           12 :           break;
   12595           11 :         case GFC_ISYM_ATOMIC_DEF:
   12596           11 :           op = 0;  /* Unused.  */
   12597           11 :           break;
   12598            0 :         default:
   12599            0 :           gcc_unreachable ();
   12600              :         }
   12601              : 
   12602           56 :       caf_decl = gfc_get_tree_for_caf_expr (atom_expr);
   12603           56 :       if (TREE_CODE (TREE_TYPE (caf_decl)) == REFERENCE_TYPE)
   12604            0 :         caf_decl = build_fold_indirect_ref_loc (input_location, caf_decl);
   12605              : 
   12606           56 :       if (gfc_is_coindexed (atom_expr))
   12607           48 :         image_index = gfc_caf_get_image_index (&block, atom_expr, caf_decl);
   12608              :       else
   12609            8 :         image_index = integer_zero_node;
   12610              : 
   12611              :       /* Ensure VALUE names addressable storage: taking the address of a
   12612              :          constant is invalid in C, and scalars need a temporary as well.  */
   12613           56 :       if (!POINTER_TYPE_P (TREE_TYPE (value)))
   12614              :         {
   12615           42 :           tree elem
   12616           42 :             = fold_convert (TREE_TYPE (TREE_TYPE (atom)), value);
   12617           42 :           elem = gfc_trans_force_lval (&block, elem);
   12618           42 :           value = gfc_build_addr_expr (NULL_TREE, elem);
   12619              :         }
   12620           14 :       else if (TREE_CODE (value) == ADDR_EXPR
   12621           14 :                && TREE_CONSTANT (TREE_OPERAND (value, 0)))
   12622              :         {
   12623            0 :           tree elem
   12624            0 :             = fold_convert (TREE_TYPE (TREE_TYPE (atom)),
   12625              :                             build_fold_indirect_ref (value));
   12626            0 :           elem = gfc_trans_force_lval (&block, elem);
   12627            0 :           value = gfc_build_addr_expr (NULL_TREE, elem);
   12628              :         }
   12629              : 
   12630           56 :       gfc_init_se (&argse, NULL);
   12631           56 :       gfc_get_caf_token_offset (&argse, &token, &offset, caf_decl, atom,
   12632              :                                 atom_expr);
   12633              : 
   12634           56 :       gfc_add_block_to_block (&block, &argse.pre);
   12635           56 :       if (code->resolved_isym->id == GFC_ISYM_ATOMIC_DEF)
   12636           11 :         tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_atomic_def, 7,
   12637              :                                    token, offset, image_index, value, stat,
   12638              :                                    build_int_cst (integer_type_node,
   12639           11 :                                                   (int) atom_expr->ts.type),
   12640              :                                    build_int_cst (integer_type_node,
   12641           11 :                                                   (int) atom_expr->ts.kind));
   12642              :       else
   12643           45 :         tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_atomic_op, 9,
   12644           45 :                                    build_int_cst (integer_type_node, op),
   12645              :                                    token, offset, image_index, value, old, stat,
   12646              :                                    build_int_cst (integer_type_node,
   12647           45 :                                                   (int) atom_expr->ts.type),
   12648              :                                    build_int_cst (integer_type_node,
   12649           45 :                                                   (int) atom_expr->ts.kind));
   12650              : 
   12651           56 :       gfc_add_expr_to_block (&block, tmp);
   12652           56 :       gfc_add_block_to_block (&block, &argse.post);
   12653           56 :       gfc_add_block_to_block (&block, &post_block);
   12654           56 :       return gfc_finish_block (&block);
   12655              :     }
   12656              : 
   12657              : 
   12658           39 :   switch (code->resolved_isym->id)
   12659              :     {
   12660              :     case GFC_ISYM_ATOMIC_ADD:
   12661              :     case GFC_ISYM_ATOMIC_FETCH_ADD:
   12662              :       fn = BUILT_IN_ATOMIC_FETCH_ADD_N;
   12663              :       break;
   12664            8 :     case GFC_ISYM_ATOMIC_AND:
   12665            8 :     case GFC_ISYM_ATOMIC_FETCH_AND:
   12666            8 :       fn = BUILT_IN_ATOMIC_FETCH_AND_N;
   12667            8 :       break;
   12668            9 :     case GFC_ISYM_ATOMIC_DEF:
   12669            9 :       fn = BUILT_IN_ATOMIC_STORE_N;
   12670            9 :       break;
   12671            8 :     case GFC_ISYM_ATOMIC_OR:
   12672            8 :     case GFC_ISYM_ATOMIC_FETCH_OR:
   12673            8 :       fn = BUILT_IN_ATOMIC_FETCH_OR_N;
   12674            8 :       break;
   12675            8 :     case GFC_ISYM_ATOMIC_XOR:
   12676            8 :     case GFC_ISYM_ATOMIC_FETCH_XOR:
   12677            8 :       fn = BUILT_IN_ATOMIC_FETCH_XOR_N;
   12678            8 :       break;
   12679            0 :     default:
   12680            0 :       gcc_unreachable ();
   12681              :     }
   12682              : 
   12683           39 :   tmp = TREE_TYPE (TREE_TYPE (atom));
   12684           78 :   fn = (built_in_function) ((int) fn
   12685           39 :                             + exact_log2 (tree_to_uhwi (TYPE_SIZE_UNIT (tmp)))
   12686           39 :                             + 1);
   12687           39 :   tree itype = TREE_TYPE (TREE_TYPE (atom));
   12688           39 :   tmp = builtin_decl_explicit (fn);
   12689              : 
   12690           39 :   switch (code->resolved_isym->id)
   12691              :     {
   12692           24 :     case GFC_ISYM_ATOMIC_ADD:
   12693           24 :     case GFC_ISYM_ATOMIC_AND:
   12694           24 :     case GFC_ISYM_ATOMIC_DEF:
   12695           24 :     case GFC_ISYM_ATOMIC_OR:
   12696           24 :     case GFC_ISYM_ATOMIC_XOR:
   12697           24 :       tmp = build_call_expr_loc (input_location, tmp, 3, atom,
   12698              :                                  fold_convert (itype, value),
   12699              :                                  build_int_cst (NULL, MEMMODEL_RELAXED));
   12700           24 :       gfc_add_expr_to_block (&block, tmp);
   12701           24 :       break;
   12702           15 :     default:
   12703           15 :       tmp = build_call_expr_loc (input_location, tmp, 3, atom,
   12704              :                                  fold_convert (itype, value),
   12705              :                                  build_int_cst (NULL, MEMMODEL_RELAXED));
   12706           15 :       gfc_add_modify (&block, old, fold_convert (TREE_TYPE (old), tmp));
   12707           15 :       break;
   12708              :     }
   12709              : 
   12710           39 :   if (stat != NULL_TREE)
   12711           34 :     gfc_add_modify (&block, stat, build_int_cst (TREE_TYPE (stat), 0));
   12712           39 :   gfc_add_block_to_block (&block, &post_block);
   12713           39 :   return gfc_finish_block (&block);
   12714              : }
   12715              : 
   12716              : 
   12717              : static tree
   12718          176 : conv_intrinsic_atomic_ref (gfc_code *code)
   12719              : {
   12720          176 :   gfc_se argse;
   12721          176 :   tree tmp, atom, value, stat = NULL_TREE;
   12722          176 :   stmtblock_t block, post_block;
   12723          176 :   built_in_function fn;
   12724          176 :   gfc_expr *atom_expr = code->ext.actual->next->expr;
   12725              : 
   12726          176 :   if (atom_expr->expr_type == EXPR_FUNCTION
   12727            0 :       && atom_expr->value.function.isym
   12728            0 :       && atom_expr->value.function.isym->id == GFC_ISYM_CAF_GET)
   12729            0 :     atom_expr = atom_expr->value.function.actual->expr;
   12730              : 
   12731          176 :   gfc_start_block (&block);
   12732          176 :   gfc_init_block (&post_block);
   12733          176 :   gfc_init_se (&argse, NULL);
   12734          176 :   argse.want_pointer = 1;
   12735          176 :   gfc_conv_expr (&argse, atom_expr);
   12736          176 :   gfc_add_block_to_block (&block, &argse.pre);
   12737          176 :   gfc_add_block_to_block (&post_block, &argse.post);
   12738          176 :   atom = argse.expr;
   12739              : 
   12740          176 :   gfc_init_se (&argse, NULL);
   12741          176 :   if (flag_coarray == GFC_FCOARRAY_LIB
   12742          115 :       && code->ext.actual->expr->ts.kind == atom_expr->ts.kind)
   12743          109 :     argse.want_pointer = 1;
   12744          176 :   gfc_conv_expr (&argse, code->ext.actual->expr);
   12745          176 :   gfc_add_block_to_block (&block, &argse.pre);
   12746          176 :   gfc_add_block_to_block (&post_block, &argse.post);
   12747          176 :   value = argse.expr;
   12748              : 
   12749              :   /* STAT=  */
   12750          176 :   if (code->ext.actual->next->next->expr != NULL)
   12751              :     {
   12752          164 :       gcc_assert (code->ext.actual->next->next->expr->expr_type
   12753              :                   == EXPR_VARIABLE);
   12754          164 :       gfc_init_se (&argse, NULL);
   12755          164 :       if (flag_coarray == GFC_FCOARRAY_LIB)
   12756          108 :         argse.want_pointer = 1;
   12757          164 :       gfc_conv_expr_val (&argse, code->ext.actual->next->next->expr);
   12758          164 :       gfc_add_block_to_block (&block, &argse.pre);
   12759          164 :       gfc_add_block_to_block (&post_block, &argse.post);
   12760          164 :       stat = argse.expr;
   12761              :     }
   12762           12 :   else if (flag_coarray == GFC_FCOARRAY_LIB)
   12763            7 :     stat = null_pointer_node;
   12764              : 
   12765          176 :   if (flag_coarray == GFC_FCOARRAY_LIB)
   12766              :     {
   12767          115 :       tree image_index, caf_decl, offset, token;
   12768          115 :       tree orig_value = NULL_TREE, vardecl = NULL_TREE;
   12769              : 
   12770          115 :       caf_decl = gfc_get_tree_for_caf_expr (atom_expr);
   12771          115 :       if (TREE_CODE (TREE_TYPE (caf_decl)) == REFERENCE_TYPE)
   12772            0 :         caf_decl = build_fold_indirect_ref_loc (input_location, caf_decl);
   12773              : 
   12774          115 :       if (gfc_is_coindexed (atom_expr))
   12775          103 :         image_index = gfc_caf_get_image_index (&block, atom_expr, caf_decl);
   12776              :       else
   12777           12 :         image_index = integer_zero_node;
   12778              : 
   12779          115 :       gfc_init_se (&argse, NULL);
   12780          115 :       gfc_get_caf_token_offset (&argse, &token, &offset, caf_decl, atom,
   12781              :                                 atom_expr);
   12782          115 :       gfc_add_block_to_block (&block, &argse.pre);
   12783              : 
   12784              :       /* Different type, need type conversion.  */
   12785          115 :       if (!POINTER_TYPE_P (TREE_TYPE (value)))
   12786              :         {
   12787            6 :           vardecl = gfc_create_var (TREE_TYPE (TREE_TYPE (atom)), "value");
   12788            6 :           orig_value = value;
   12789            6 :           value = gfc_build_addr_expr (NULL_TREE, vardecl);
   12790              :         }
   12791              : 
   12792          115 :       tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_atomic_ref, 7,
   12793              :                                  token, offset, image_index, value, stat,
   12794              :                                  build_int_cst (integer_type_node,
   12795          115 :                                                 (int) atom_expr->ts.type),
   12796              :                                  build_int_cst (integer_type_node,
   12797          115 :                                                 (int) atom_expr->ts.kind));
   12798          115 :       gfc_add_expr_to_block (&block, tmp);
   12799          115 :       if (vardecl != NULL_TREE)
   12800            6 :         gfc_add_modify (&block, orig_value,
   12801            6 :                         fold_convert (TREE_TYPE (orig_value), vardecl));
   12802          115 :       gfc_add_block_to_block (&block, &argse.post);
   12803          115 :       gfc_add_block_to_block (&block, &post_block);
   12804          115 :       return gfc_finish_block (&block);
   12805              :     }
   12806              : 
   12807           61 :   tmp = TREE_TYPE (TREE_TYPE (atom));
   12808          122 :   fn = (built_in_function) ((int) BUILT_IN_ATOMIC_LOAD_N
   12809           61 :                             + exact_log2 (tree_to_uhwi (TYPE_SIZE_UNIT (tmp)))
   12810           61 :                             + 1);
   12811           61 :   tmp = builtin_decl_explicit (fn);
   12812           61 :   tmp = build_call_expr_loc (input_location, tmp, 2, atom,
   12813              :                              build_int_cst (integer_type_node,
   12814              :                                             MEMMODEL_RELAXED));
   12815           61 :   gfc_add_modify (&block, value, fold_convert (TREE_TYPE (value), tmp));
   12816              : 
   12817           61 :   if (stat != NULL_TREE)
   12818           56 :     gfc_add_modify (&block, stat, build_int_cst (TREE_TYPE (stat), 0));
   12819           61 :   gfc_add_block_to_block (&block, &post_block);
   12820           61 :   return gfc_finish_block (&block);
   12821              : }
   12822              : 
   12823              : 
   12824              : static tree
   12825           14 : conv_intrinsic_atomic_cas (gfc_code *code)
   12826              : {
   12827           14 :   gfc_se argse;
   12828           14 :   tree tmp, atom, old, new_val, comp, stat = NULL_TREE;
   12829           14 :   stmtblock_t block, post_block;
   12830           14 :   built_in_function fn;
   12831           14 :   gfc_expr *atom_expr = code->ext.actual->expr;
   12832              : 
   12833           14 :   if (atom_expr->expr_type == EXPR_FUNCTION
   12834            0 :       && atom_expr->value.function.isym
   12835            0 :       && atom_expr->value.function.isym->id == GFC_ISYM_CAF_GET)
   12836            0 :     atom_expr = atom_expr->value.function.actual->expr;
   12837              : 
   12838           14 :   gfc_init_block (&block);
   12839           14 :   gfc_init_block (&post_block);
   12840           14 :   gfc_init_se (&argse, NULL);
   12841           14 :   argse.want_pointer = 1;
   12842           14 :   gfc_conv_expr (&argse, atom_expr);
   12843           14 :   atom = argse.expr;
   12844              : 
   12845           14 :   gfc_init_se (&argse, NULL);
   12846           14 :   if (flag_coarray == GFC_FCOARRAY_LIB)
   12847            8 :     argse.want_pointer = 1;
   12848           14 :   gfc_conv_expr (&argse, code->ext.actual->next->expr);
   12849           14 :   gfc_add_block_to_block (&block, &argse.pre);
   12850           14 :   gfc_add_block_to_block (&post_block, &argse.post);
   12851           14 :   old = argse.expr;
   12852              : 
   12853           14 :   gfc_init_se (&argse, NULL);
   12854           14 :   if (flag_coarray == GFC_FCOARRAY_LIB)
   12855            8 :     argse.want_pointer = 1;
   12856           14 :   gfc_conv_expr (&argse, code->ext.actual->next->next->expr);
   12857           14 :   gfc_add_block_to_block (&block, &argse.pre);
   12858           14 :   gfc_add_block_to_block (&post_block, &argse.post);
   12859           14 :   comp = argse.expr;
   12860              : 
   12861           14 :   gfc_init_se (&argse, NULL);
   12862           14 :   if (flag_coarray == GFC_FCOARRAY_LIB
   12863            8 :       && code->ext.actual->next->next->next->expr->ts.kind
   12864            8 :          == atom_expr->ts.kind)
   12865            8 :     argse.want_pointer = 1;
   12866           14 :   gfc_conv_expr (&argse, code->ext.actual->next->next->next->expr);
   12867           14 :   gfc_add_block_to_block (&block, &argse.pre);
   12868           14 :   gfc_add_block_to_block (&post_block, &argse.post);
   12869           14 :   new_val = argse.expr;
   12870              : 
   12871              :   /* STAT=  */
   12872           14 :   if (code->ext.actual->next->next->next->next->expr != NULL)
   12873              :     {
   12874           14 :       gcc_assert (code->ext.actual->next->next->next->next->expr->expr_type
   12875              :                   == EXPR_VARIABLE);
   12876           14 :       gfc_init_se (&argse, NULL);
   12877           14 :       if (flag_coarray == GFC_FCOARRAY_LIB)
   12878            8 :         argse.want_pointer = 1;
   12879           14 :       gfc_conv_expr_val (&argse,
   12880           14 :                          code->ext.actual->next->next->next->next->expr);
   12881           14 :       gfc_add_block_to_block (&block, &argse.pre);
   12882           14 :       gfc_add_block_to_block (&post_block, &argse.post);
   12883           14 :       stat = argse.expr;
   12884              :     }
   12885            0 :   else if (flag_coarray == GFC_FCOARRAY_LIB)
   12886            0 :     stat = null_pointer_node;
   12887              : 
   12888           14 :   if (flag_coarray == GFC_FCOARRAY_LIB)
   12889              :     {
   12890            8 :       tree image_index, caf_decl, offset, token;
   12891              : 
   12892            8 :       caf_decl = gfc_get_tree_for_caf_expr (atom_expr);
   12893            8 :       if (TREE_CODE (TREE_TYPE (caf_decl)) == REFERENCE_TYPE)
   12894            0 :         caf_decl = build_fold_indirect_ref_loc (input_location, caf_decl);
   12895              : 
   12896            8 :       if (gfc_is_coindexed (atom_expr))
   12897            8 :         image_index = gfc_caf_get_image_index (&block, atom_expr, caf_decl);
   12898              :       else
   12899            0 :         image_index = integer_zero_node;
   12900              : 
   12901            8 :       if (TREE_TYPE (TREE_TYPE (new_val)) != TREE_TYPE (TREE_TYPE (old)))
   12902              :         {
   12903            0 :           tmp = gfc_create_var (TREE_TYPE (TREE_TYPE (old)), "new");
   12904            0 :           gfc_add_modify (&block, tmp, fold_convert (TREE_TYPE (tmp), new_val));
   12905            0 :           new_val = gfc_build_addr_expr (NULL_TREE, tmp);
   12906              :         }
   12907              : 
   12908            8 :       gfc_init_se (&argse, NULL);
   12909            8 :       gfc_get_caf_token_offset (&argse, &token, &offset, caf_decl, atom,
   12910              :                                 atom_expr);
   12911            8 :       gfc_add_block_to_block (&block, &argse.pre);
   12912              : 
   12913            8 :       tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_atomic_cas, 9,
   12914              :                                  token, offset, image_index, old, comp, new_val,
   12915              :                                  stat, build_int_cst (integer_type_node,
   12916            8 :                                                       (int) atom_expr->ts.type),
   12917              :                                  build_int_cst (integer_type_node,
   12918            8 :                                                 (int) atom_expr->ts.kind));
   12919            8 :       gfc_add_expr_to_block (&block, tmp);
   12920            8 :       gfc_add_block_to_block (&block, &argse.post);
   12921            8 :       gfc_add_block_to_block (&block, &post_block);
   12922            8 :       return gfc_finish_block (&block);
   12923              :     }
   12924              : 
   12925            6 :   tmp = TREE_TYPE (TREE_TYPE (atom));
   12926           12 :   fn = (built_in_function) ((int) BUILT_IN_ATOMIC_COMPARE_EXCHANGE_N
   12927            6 :                             + exact_log2 (tree_to_uhwi (TYPE_SIZE_UNIT (tmp)))
   12928            6 :                             + 1);
   12929            6 :   tmp = builtin_decl_explicit (fn);
   12930              : 
   12931            6 :   gfc_add_modify (&block, old, comp);
   12932           12 :   tmp = build_call_expr_loc (input_location, tmp, 6, atom,
   12933              :                              gfc_build_addr_expr (NULL, old),
   12934            6 :                              fold_convert (TREE_TYPE (old), new_val),
   12935              :                              boolean_false_node,
   12936              :                              build_int_cst (NULL, MEMMODEL_RELAXED),
   12937              :                              build_int_cst (NULL, MEMMODEL_RELAXED));
   12938            6 :   gfc_add_expr_to_block (&block, tmp);
   12939              : 
   12940            6 :   if (stat != NULL_TREE)
   12941            6 :     gfc_add_modify (&block, stat, build_int_cst (TREE_TYPE (stat), 0));
   12942            6 :   gfc_add_block_to_block (&block, &post_block);
   12943            6 :   return gfc_finish_block (&block);
   12944              : }
   12945              : 
   12946              : static tree
   12947          105 : conv_intrinsic_event_query (gfc_code *code)
   12948              : {
   12949          105 :   gfc_se se, argse;
   12950          105 :   tree stat = NULL_TREE, stat2 = NULL_TREE;
   12951          105 :   tree count = NULL_TREE, count2 = NULL_TREE;
   12952              : 
   12953          105 :   gfc_expr *event_expr = code->ext.actual->expr;
   12954              : 
   12955          105 :   if (code->ext.actual->next->next->expr)
   12956              :     {
   12957           18 :       gcc_assert (code->ext.actual->next->next->expr->expr_type
   12958              :                   == EXPR_VARIABLE);
   12959           18 :       gfc_init_se (&argse, NULL);
   12960           18 :       gfc_conv_expr_val (&argse, code->ext.actual->next->next->expr);
   12961           18 :       stat = argse.expr;
   12962              :     }
   12963           87 :   else if (flag_coarray == GFC_FCOARRAY_LIB)
   12964           58 :     stat = null_pointer_node;
   12965              : 
   12966          105 :   if (code->ext.actual->next->expr)
   12967              :     {
   12968          105 :       gcc_assert (code->ext.actual->next->expr->expr_type == EXPR_VARIABLE);
   12969          105 :       gfc_init_se (&argse, NULL);
   12970          105 :       gfc_conv_expr_val (&argse, code->ext.actual->next->expr);
   12971          105 :       count = argse.expr;
   12972              :     }
   12973              : 
   12974          105 :   gfc_start_block (&se.pre);
   12975          105 :   if (flag_coarray == GFC_FCOARRAY_LIB)
   12976              :     {
   12977           70 :       tree tmp, token, image_index;
   12978           70 :       tree index = build_zero_cst (gfc_array_index_type);
   12979              : 
   12980           70 :       if (event_expr->expr_type == EXPR_FUNCTION
   12981            0 :           && event_expr->value.function.isym
   12982            0 :           && event_expr->value.function.isym->id == GFC_ISYM_CAF_GET)
   12983            0 :         event_expr = event_expr->value.function.actual->expr;
   12984              : 
   12985           70 :       tree caf_decl = gfc_get_tree_for_caf_expr (event_expr);
   12986              : 
   12987           70 :       if (event_expr->symtree->n.sym->ts.type != BT_DERIVED
   12988           70 :           || event_expr->symtree->n.sym->ts.u.derived->from_intmod
   12989              :              != INTMOD_ISO_FORTRAN_ENV
   12990           70 :           || event_expr->symtree->n.sym->ts.u.derived->intmod_sym_id
   12991              :              != ISOFORTRAN_EVENT_TYPE)
   12992              :         {
   12993            0 :           gfc_error ("Sorry, the event component of derived type at %L is not "
   12994              :                      "yet supported", &event_expr->where);
   12995            0 :           return NULL_TREE;
   12996              :         }
   12997              : 
   12998           70 :       if (gfc_is_coindexed (event_expr))
   12999              :         {
   13000            0 :           gfc_error ("The event variable at %L shall not be coindexed",
   13001              :                      &event_expr->where);
   13002            0 :           return NULL_TREE;
   13003              :         }
   13004              : 
   13005           70 :       image_index = integer_zero_node;
   13006              : 
   13007           70 :       gfc_get_caf_token_offset (&se, &token, NULL, caf_decl, NULL_TREE,
   13008              :                                 event_expr);
   13009              : 
   13010              :       /* For arrays, obtain the array index.  */
   13011           70 :       if (gfc_expr_attr (event_expr).dimension)
   13012              :         {
   13013           52 :           tree desc, tmp, extent, lbound, ubound;
   13014           52 :           gfc_array_ref *ar, ar2;
   13015           52 :           int i;
   13016              : 
   13017              :           /* TODO: Extend this, once DT components are supported.  */
   13018           52 :           ar = &event_expr->ref->u.ar;
   13019           52 :           ar2 = *ar;
   13020           52 :           memset (ar, '\0', sizeof (*ar));
   13021           52 :           ar->as = ar2.as;
   13022           52 :           ar->type = AR_FULL;
   13023              : 
   13024           52 :           gfc_init_se (&argse, NULL);
   13025           52 :           argse.descriptor_only = 1;
   13026           52 :           gfc_conv_expr_descriptor (&argse, event_expr);
   13027           52 :           gfc_add_block_to_block (&se.pre, &argse.pre);
   13028           52 :           desc = argse.expr;
   13029           52 :           *ar = ar2;
   13030              : 
   13031           52 :           extent = build_one_cst (gfc_array_index_type);
   13032          156 :           for (i = 0; i < ar->dimen; i++)
   13033              :             {
   13034           52 :               gfc_init_se (&argse, NULL);
   13035           52 :               gfc_conv_expr_type (&argse, ar->start[i], gfc_array_index_type);
   13036           52 :               gfc_add_block_to_block (&argse.pre, &argse.pre);
   13037           52 :               lbound = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[i]);
   13038           52 :               tmp = fold_build2_loc (input_location, MINUS_EXPR,
   13039           52 :                                      TREE_TYPE (lbound), argse.expr, lbound);
   13040           52 :               tmp = fold_build2_loc (input_location, MULT_EXPR,
   13041           52 :                                      TREE_TYPE (tmp), extent, tmp);
   13042           52 :               index = fold_build2_loc (input_location, PLUS_EXPR,
   13043           52 :                                        TREE_TYPE (tmp), index, tmp);
   13044           52 :               if (i < ar->dimen - 1)
   13045              :                 {
   13046            0 :                   ubound = gfc_conv_descriptor_ubound_get (desc, gfc_rank_cst[i]);
   13047            0 :                   tmp = gfc_conv_array_extent_dim (lbound, ubound, NULL);
   13048            0 :                   extent = fold_build2_loc (input_location, MULT_EXPR,
   13049            0 :                                             TREE_TYPE (tmp), extent, tmp);
   13050              :                 }
   13051              :             }
   13052              :         }
   13053              : 
   13054           70 :       if (count != null_pointer_node && TREE_TYPE (count) != integer_type_node)
   13055              :         {
   13056            0 :           count2 = count;
   13057            0 :           count = gfc_create_var (integer_type_node, "count");
   13058              :         }
   13059              : 
   13060           70 :       if (stat != null_pointer_node && TREE_TYPE (stat) != integer_type_node)
   13061              :         {
   13062            0 :           stat2 = stat;
   13063            0 :           stat = gfc_create_var (integer_type_node, "stat");
   13064              :         }
   13065              : 
   13066           70 :       index = fold_convert (size_type_node, index);
   13067          140 :       tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_event_query, 5,
   13068              :                                    token, index, image_index, count
   13069           70 :                                    ? gfc_build_addr_expr (NULL, count) : count,
   13070           70 :                                    stat != null_pointer_node
   13071           12 :                                    ? gfc_build_addr_expr (NULL, stat) : stat);
   13072           70 :       gfc_add_expr_to_block (&se.pre, tmp);
   13073              : 
   13074           70 :       if (count2 != NULL_TREE)
   13075            0 :         gfc_add_modify (&se.pre, count2,
   13076            0 :                         fold_convert (TREE_TYPE (count2), count));
   13077              : 
   13078           70 :       if (stat2 != NULL_TREE)
   13079            0 :         gfc_add_modify (&se.pre, stat2,
   13080            0 :                         fold_convert (TREE_TYPE (stat2), stat));
   13081              : 
   13082           70 :       return gfc_finish_block (&se.pre);
   13083              :     }
   13084              : 
   13085           35 :   gfc_init_se (&argse, NULL);
   13086           35 :   gfc_conv_expr_val (&argse, code->ext.actual->expr);
   13087           35 :   gfc_add_modify (&se.pre, count, fold_convert (TREE_TYPE (count), argse.expr));
   13088              : 
   13089           35 :   if (stat != NULL_TREE)
   13090            6 :     gfc_add_modify (&se.pre, stat, build_int_cst (TREE_TYPE (stat), 0));
   13091              : 
   13092           35 :   return gfc_finish_block (&se.pre);
   13093              : }
   13094              : 
   13095              : 
   13096              : /* This is a peculiar case because of the need to do dependency checking.
   13097              :    It is called via trans-stmt.cc(gfc_trans_call), where it is picked out as
   13098              :    a special case and this function called instead of
   13099              :    gfc_conv_procedure_call.  */
   13100              : void
   13101          197 : gfc_conv_intrinsic_mvbits (gfc_se *se, gfc_actual_arglist *actual_args,
   13102              :                            gfc_loopinfo *loop)
   13103              : {
   13104          197 :   gfc_actual_arglist *actual;
   13105          197 :   gfc_se argse[5];
   13106          197 :   gfc_expr *arg[5];
   13107          197 :   gfc_ss *lss;
   13108          197 :   int n;
   13109              : 
   13110          197 :   tree from, frompos, len, to, topos;
   13111          197 :   tree lenmask, oldbits, newbits, bitsize;
   13112          197 :   tree type, utype, above, mask1, mask2;
   13113              : 
   13114          197 :   if (loop)
   13115           67 :     lss = loop->ss;
   13116              :   else
   13117          130 :     lss = gfc_ss_terminator;
   13118              : 
   13119              :   actual = actual_args;
   13120         1182 :   for (n = 0; n < 5; n++, actual = actual->next)
   13121              :     {
   13122          985 :       arg[n] = actual->expr;
   13123          985 :       gfc_init_se (&argse[n], NULL);
   13124              : 
   13125          985 :       if (lss != gfc_ss_terminator)
   13126              :         {
   13127          335 :           gfc_copy_loopinfo_to_se (&argse[n], loop);
   13128              :           /* Find the ss for the expression if it is there.  */
   13129          335 :           argse[n].ss = lss;
   13130          335 :           gfc_mark_ss_chain_used (lss, 1);
   13131              :         }
   13132              : 
   13133          985 :       gfc_conv_expr (&argse[n], arg[n]);
   13134              : 
   13135          985 :       if (loop)
   13136          335 :         lss = argse[n].ss;
   13137              :     }
   13138              : 
   13139          197 :   from    = argse[0].expr;
   13140          197 :   frompos = argse[1].expr;
   13141          197 :   len     = argse[2].expr;
   13142          197 :   to      = argse[3].expr;
   13143          197 :   topos   = argse[4].expr;
   13144              : 
   13145              :   /* The type of the result (TO).  */
   13146          197 :   type    = TREE_TYPE (to);
   13147          197 :   bitsize = build_int_cst (integer_type_node, TYPE_PRECISION (type));
   13148              : 
   13149              :   /* Optionally generate code for runtime argument check.  */
   13150          197 :   if (gfc_option.rtcheck & GFC_RTCHECK_BITS)
   13151              :     {
   13152           18 :       tree nbits, below, ccond;
   13153           18 :       tree fp = fold_convert (long_integer_type_node, frompos);
   13154           18 :       tree ln = fold_convert (long_integer_type_node, len);
   13155           18 :       tree tp = fold_convert (long_integer_type_node, topos);
   13156           18 :       below = fold_build2_loc (input_location, LT_EXPR,
   13157              :                                logical_type_node, frompos,
   13158           18 :                                build_int_cst (TREE_TYPE (frompos), 0));
   13159           18 :       above = fold_build2_loc (input_location, GT_EXPR,
   13160              :                                logical_type_node, frompos,
   13161           18 :                                fold_convert (TREE_TYPE (frompos), bitsize));
   13162           18 :       ccond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
   13163              :                                logical_type_node, below, above);
   13164           18 :       gfc_trans_runtime_check (true, false, ccond, &argse[1].pre,
   13165           18 :                                &arg[1]->where,
   13166              :                                "FROMPOS argument (%ld) out of range 0:%d "
   13167              :                                "in intrinsic MVBITS", fp, bitsize);
   13168           18 :       below = fold_build2_loc (input_location, LT_EXPR,
   13169              :                                logical_type_node, len,
   13170           18 :                                build_int_cst (TREE_TYPE (len), 0));
   13171           18 :       above = fold_build2_loc (input_location, GT_EXPR,
   13172              :                                logical_type_node, len,
   13173           18 :                                fold_convert (TREE_TYPE (len), bitsize));
   13174           18 :       ccond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
   13175              :                                logical_type_node, below, above);
   13176           18 :       gfc_trans_runtime_check (true, false, ccond, &argse[2].pre,
   13177           18 :                                &arg[2]->where,
   13178              :                                "LEN argument (%ld) out of range 0:%d "
   13179              :                                "in intrinsic MVBITS", ln, bitsize);
   13180           18 :       below = fold_build2_loc (input_location, LT_EXPR,
   13181              :                                logical_type_node, topos,
   13182           18 :                                build_int_cst (TREE_TYPE (topos), 0));
   13183           18 :       above = fold_build2_loc (input_location, GT_EXPR,
   13184              :                                logical_type_node, topos,
   13185           18 :                                fold_convert (TREE_TYPE (topos), bitsize));
   13186           18 :       ccond = fold_build2_loc (input_location, TRUTH_ORIF_EXPR,
   13187              :                                logical_type_node, below, above);
   13188           18 :       gfc_trans_runtime_check (true, false, ccond, &argse[4].pre,
   13189           18 :                                &arg[4]->where,
   13190              :                                "TOPOS argument (%ld) out of range 0:%d "
   13191              :                                "in intrinsic MVBITS", tp, bitsize);
   13192              : 
   13193              :       /* The tests above ensure that FROMPOS, LEN and TOPOS fit into short
   13194              :          integers.  Additions below cannot overflow.  */
   13195           18 :       nbits = fold_convert (long_integer_type_node, bitsize);
   13196           18 :       above = fold_build2_loc (input_location, PLUS_EXPR,
   13197              :                                long_integer_type_node, fp, ln);
   13198           18 :       ccond = fold_build2_loc (input_location, GT_EXPR,
   13199              :                                logical_type_node, above, nbits);
   13200           18 :       gfc_trans_runtime_check (true, false, ccond, &argse[1].pre,
   13201              :                                &arg[1]->where,
   13202              :                                "FROMPOS(%ld)+LEN(%ld)>BIT_SIZE(%d) "
   13203              :                                "in intrinsic MVBITS", fp, ln, bitsize);
   13204           18 :       above = fold_build2_loc (input_location, PLUS_EXPR,
   13205              :                                long_integer_type_node, tp, ln);
   13206           18 :       ccond = fold_build2_loc (input_location, GT_EXPR,
   13207              :                                logical_type_node, above, nbits);
   13208           18 :       gfc_trans_runtime_check (true, false, ccond, &argse[4].pre,
   13209              :                                &arg[4]->where,
   13210              :                                "TOPOS(%ld)+LEN(%ld)>BIT_SIZE(%d) "
   13211              :                                "in intrinsic MVBITS", tp, ln, bitsize);
   13212              :     }
   13213              : 
   13214         1182 :   for (n = 0; n < 5; n++)
   13215              :     {
   13216          985 :       gfc_add_block_to_block (&se->pre, &argse[n].pre);
   13217          985 :       gfc_add_block_to_block (&se->post, &argse[n].post);
   13218              :     }
   13219              : 
   13220              :   /* lenmask = (LEN >= bit_size (TYPE)) ? ~(TYPE)0 : ((TYPE)1 << LEN) - 1  */
   13221          197 :   above = fold_build2_loc (input_location, GE_EXPR, logical_type_node,
   13222          197 :                            len, fold_convert (TREE_TYPE (len), bitsize));
   13223          197 :   mask1 = build_int_cst (type, -1);
   13224          197 :   mask2 = fold_build2_loc (input_location, LSHIFT_EXPR, type,
   13225              :                            build_int_cst (type, 1), len);
   13226          197 :   mask2 = fold_build2_loc (input_location, MINUS_EXPR, type,
   13227              :                            mask2, build_int_cst (type, 1));
   13228          197 :   lenmask = fold_build3_loc (input_location, COND_EXPR, type,
   13229              :                              above, mask1, mask2);
   13230              : 
   13231              :   /* newbits = (((UTYPE)(FROM) >> FROMPOS) & lenmask) << TOPOS.
   13232              :    * For valid frompos+len <= bit_size(FROM) the conversion to unsigned is
   13233              :    * not strictly necessary; artificial bits from rshift will be masked.  */
   13234          197 :   utype = unsigned_type_for (type);
   13235          197 :   newbits = fold_build2_loc (input_location, RSHIFT_EXPR, utype,
   13236              :                              fold_convert (utype, from), frompos);
   13237          197 :   newbits = fold_build2_loc (input_location, BIT_AND_EXPR, type,
   13238              :                              fold_convert (type, newbits), lenmask);
   13239          197 :   newbits = fold_build2_loc (input_location, LSHIFT_EXPR, type,
   13240              :                              newbits, topos);
   13241              : 
   13242              :   /* oldbits = TO & (~(lenmask << TOPOS)).  */
   13243          197 :   oldbits = fold_build2_loc (input_location, LSHIFT_EXPR, type,
   13244              :                              lenmask, topos);
   13245          197 :   oldbits = fold_build1_loc (input_location, BIT_NOT_EXPR, type, oldbits);
   13246          197 :   oldbits = fold_build2_loc (input_location, BIT_AND_EXPR, type, oldbits, to);
   13247              : 
   13248              :   /* TO = newbits | oldbits.  */
   13249          197 :   se->expr = fold_build2_loc (input_location, BIT_IOR_EXPR, type,
   13250              :                               oldbits, newbits);
   13251              : 
   13252              :   /* Return the assignment.  */
   13253          197 :   se->expr = fold_build2_loc (input_location, MODIFY_EXPR,
   13254              :                               void_type_node, to, se->expr);
   13255          197 : }
   13256              : 
   13257              : /* Comes from trans-stmt.cc, but we don't want the whole header included.  */
   13258              : extern void gfc_trans_sync_stat (struct sync_stat *sync_stat, gfc_se *se,
   13259              :                                  tree *stat, tree *errmsg, tree *errmsg_len);
   13260              : 
   13261              : static tree
   13262          263 : conv_intrinsic_move_alloc (gfc_code *code)
   13263              : {
   13264          263 :   stmtblock_t block;
   13265          263 :   gfc_expr *from_expr, *to_expr;
   13266          263 :   gfc_se from_se, to_se;
   13267          263 :   tree tmp, to_tree, from_tree, stat, errmsg, errmsg_len, fin_label = NULL_TREE;
   13268          263 :   bool coarray, from_is_class, from_is_scalar;
   13269          263 :   gfc_actual_arglist *arg = code->ext.actual;
   13270          263 :   sync_stat tmp_sync_stat = {nullptr, nullptr};
   13271              : 
   13272          263 :   gfc_start_block (&block);
   13273              : 
   13274          263 :   from_expr = arg->expr;
   13275          263 :   arg = arg->next;
   13276          263 :   to_expr = arg->expr;
   13277          263 :   arg = arg->next;
   13278              : 
   13279          789 :   while (arg)
   13280              :     {
   13281          526 :       if (arg->expr)
   13282              :         {
   13283            0 :           if (!strcmp ("stat", arg->name))
   13284            0 :             tmp_sync_stat.stat = arg->expr;
   13285            0 :           else if (!strcmp ("errmsg", arg->name))
   13286            0 :             tmp_sync_stat.errmsg = arg->expr;
   13287              :         }
   13288          526 :       arg = arg->next;
   13289              :     }
   13290              : 
   13291          263 :   gfc_init_se (&from_se, NULL);
   13292          263 :   gfc_init_se (&to_se, NULL);
   13293              : 
   13294          263 :   gfc_trans_sync_stat (&tmp_sync_stat, &from_se, &stat, &errmsg, &errmsg_len);
   13295          263 :   if (stat != null_pointer_node)
   13296            0 :     fin_label = gfc_build_label_decl (NULL_TREE);
   13297              : 
   13298          263 :   gcc_assert (from_expr->ts.type != BT_CLASS || to_expr->ts.type == BT_CLASS);
   13299          263 :   coarray = from_expr->corank != 0;
   13300              : 
   13301          263 :   from_is_class = from_expr->ts.type == BT_CLASS;
   13302          263 :   from_is_scalar = from_expr->rank == 0 && !coarray;
   13303          263 :   if (to_expr->ts.type == BT_CLASS || from_is_scalar)
   13304              :     {
   13305          163 :       from_se.want_pointer = 1;
   13306          163 :       if (from_is_scalar)
   13307          115 :         gfc_conv_expr (&from_se, from_expr);
   13308              :       else
   13309           48 :         gfc_conv_expr_descriptor (&from_se, from_expr);
   13310          163 :       if (from_is_class)
   13311           64 :         from_tree = gfc_class_data_get (from_se.expr);
   13312              :       else
   13313              :         {
   13314           99 :           gfc_symbol *vtab;
   13315           99 :           from_tree = from_se.expr;
   13316              : 
   13317           99 :           if (to_expr->ts.type == BT_CLASS)
   13318              :             {
   13319           36 :               vtab = gfc_find_vtab (&from_expr->ts);
   13320           36 :               gcc_assert (vtab);
   13321           36 :               from_se.expr = gfc_get_symbol_decl (vtab);
   13322              :             }
   13323              :         }
   13324          163 :       gfc_add_block_to_block (&block, &from_se.pre);
   13325              : 
   13326          163 :       to_se.want_pointer = 1;
   13327          163 :       if (to_expr->rank == 0)
   13328          115 :         gfc_conv_expr (&to_se, to_expr);
   13329              :       else
   13330           48 :         gfc_conv_expr_descriptor (&to_se, to_expr);
   13331          163 :       if (to_expr->ts.type == BT_CLASS)
   13332          100 :         to_tree = gfc_class_data_get (to_se.expr);
   13333              :       else
   13334           63 :         to_tree = to_se.expr;
   13335          163 :       gfc_add_block_to_block (&block, &to_se.pre);
   13336              : 
   13337              :       /* Deallocate "to".  */
   13338          163 :       if (to_expr->rank == 0)
   13339              :         {
   13340          115 :           tmp = gfc_deallocate_scalar_with_status (to_tree, stat, fin_label,
   13341              :                                                    true, to_expr, to_expr->ts,
   13342              :                                                    NULL_TREE, false, true,
   13343              :                                                    errmsg, errmsg_len);
   13344          115 :           gfc_add_expr_to_block (&block, tmp);
   13345              :         }
   13346              : 
   13347          163 :       if (from_is_scalar)
   13348              :         {
   13349              :           /* Assign (_data) pointers.  */
   13350          115 :           gfc_add_modify_loc (input_location, &block, to_tree,
   13351          115 :                               fold_convert (TREE_TYPE (to_tree), from_tree));
   13352              : 
   13353              :           /* Set "from" to NULL.  */
   13354          115 :           gfc_add_modify_loc (input_location, &block, from_tree,
   13355          115 :                               fold_convert (TREE_TYPE (from_tree),
   13356              :                                             null_pointer_node));
   13357              : 
   13358          115 :           gfc_add_block_to_block (&block, &from_se.post);
   13359              :         }
   13360          163 :       gfc_add_block_to_block (&block, &to_se.post);
   13361              : 
   13362              :       /* Set _vptr.  */
   13363          163 :       if (to_expr->ts.type == BT_CLASS)
   13364              :         {
   13365          100 :           gfc_class_set_vptr (&block, to_se.expr, from_se.expr);
   13366          100 :           if (from_is_class)
   13367           64 :             gfc_reset_vptr (&block, from_expr);
   13368          100 :           if (UNLIMITED_POLY (to_expr))
   13369              :             {
   13370           20 :               tree to_len = gfc_class_len_get (to_se.class_container);
   13371           20 :               tmp = from_expr->ts.type == BT_CHARACTER && from_se.string_length
   13372           20 :                       ? from_se.string_length
   13373              :                       : size_zero_node;
   13374           20 :               gfc_add_modify_loc (input_location, &block, to_len,
   13375           20 :                                   fold_convert (TREE_TYPE (to_len), tmp));
   13376              :             }
   13377              :         }
   13378              : 
   13379          163 :       if (from_is_scalar)
   13380              :         {
   13381          115 :           if (to_expr->ts.type == BT_CHARACTER && to_expr->ts.deferred)
   13382              :             {
   13383            6 :               gfc_add_modify_loc (input_location, &block, to_se.string_length,
   13384            6 :                                   fold_convert (TREE_TYPE (to_se.string_length),
   13385              :                                                 from_se.string_length));
   13386            6 :               if (from_expr->ts.deferred)
   13387            6 :                 gfc_add_modify_loc (
   13388              :                   input_location, &block, from_se.string_length,
   13389            6 :                   build_int_cst (TREE_TYPE (from_se.string_length), 0));
   13390              :             }
   13391          115 :           if (UNLIMITED_POLY (from_expr))
   13392            2 :             gfc_reset_len (&block, from_expr);
   13393              : 
   13394          115 :           return gfc_finish_block (&block);
   13395              :         }
   13396              : 
   13397           48 :       gfc_init_se (&to_se, NULL);
   13398           48 :       gfc_init_se (&from_se, NULL);
   13399              :     }
   13400              : 
   13401              :   /* Deallocate "to".  */
   13402          148 :   if (from_expr->rank == 0)
   13403              :     {
   13404            4 :       to_se.want_coarray = 1;
   13405            4 :       from_se.want_coarray = 1;
   13406              :     }
   13407          148 :   gfc_conv_expr_descriptor (&to_se, to_expr);
   13408          148 :   gfc_conv_expr_descriptor (&from_se, from_expr);
   13409          148 :   gfc_add_block_to_block (&block, &to_se.pre);
   13410          148 :   gfc_add_block_to_block (&block, &from_se.pre);
   13411              : 
   13412              :   /* For coarrays, call SYNC ALL if TO is already deallocated as MOVE_ALLOC
   13413              :      is an image control "statement", cf. IR F08/0040 in 12-006A.  */
   13414          148 :   if (coarray && flag_coarray == GFC_FCOARRAY_LIB)
   13415              :     {
   13416            6 :       tree cond;
   13417              : 
   13418            6 :       tmp = gfc_deallocate_with_status (to_se.expr, stat, errmsg, errmsg_len,
   13419              :                                         fin_label, true, to_expr,
   13420              :                                         GFC_CAF_COARRAY_DEALLOCATE_ONLY,
   13421              :                                         NULL_TREE, NULL_TREE,
   13422              :                                         gfc_conv_descriptor_token (to_se.expr),
   13423              :                                         true);
   13424            6 :       gfc_add_expr_to_block (&block, tmp);
   13425              : 
   13426            6 :       tmp = gfc_conv_descriptor_data_get (to_se.expr);
   13427            6 :       cond = fold_build2_loc (input_location, EQ_EXPR,
   13428              :                               logical_type_node, tmp,
   13429            6 :                               fold_convert (TREE_TYPE (tmp),
   13430              :                                             null_pointer_node));
   13431            6 :       tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_sync_all,
   13432              :                                  3, null_pointer_node, null_pointer_node,
   13433              :                                  integer_zero_node);
   13434              : 
   13435            6 :       tmp = fold_build3_loc (input_location, COND_EXPR, void_type_node, cond,
   13436              :                              tmp, build_empty_stmt (input_location));
   13437            6 :       gfc_add_expr_to_block (&block, tmp);
   13438            6 :     }
   13439              :   else
   13440              :     {
   13441          142 :       if (to_expr->ts.type == BT_DERIVED
   13442           25 :           && to_expr->ts.u.derived->attr.alloc_comp)
   13443              :         {
   13444           19 :           tmp = gfc_deallocate_alloc_comp (to_expr->ts.u.derived,
   13445              :                                            to_se.expr, to_expr->rank);
   13446           19 :           gfc_add_expr_to_block (&block, tmp);
   13447              :         }
   13448              : 
   13449          142 :       tmp = gfc_deallocate_with_status (to_se.expr, stat, errmsg, errmsg_len,
   13450              :                                         fin_label, true, to_expr,
   13451              :                                         GFC_CAF_COARRAY_NOCOARRAY, NULL_TREE,
   13452              :                                         NULL_TREE, NULL_TREE, true);
   13453          142 :       gfc_add_expr_to_block (&block, tmp);
   13454              :     }
   13455              : 
   13456              :   /* Copy the array descriptor data.  */
   13457          148 :   gfc_add_modify_loc (input_location, &block, to_se.expr, from_se.expr);
   13458              : 
   13459              :   /* Set "from" to NULL.  */
   13460          148 :   tmp = gfc_conv_descriptor_data_get (from_se.expr);
   13461          148 :   gfc_add_modify_loc (input_location, &block, tmp,
   13462          148 :                       fold_convert (TREE_TYPE (tmp), null_pointer_node));
   13463              : 
   13464          148 :   if (coarray && flag_coarray == GFC_FCOARRAY_LIB)
   13465              :     {
   13466              :       /* Copy the array descriptor data has overwritten the to-token and cleared
   13467              :          from.data.  Now also clear the from.token.  */
   13468            6 :       gfc_add_modify (&block, gfc_conv_descriptor_token (from_se.expr),
   13469              :                       null_pointer_node);
   13470              :     }
   13471              : 
   13472          148 :   if (to_expr->ts.type == BT_CHARACTER && to_expr->ts.deferred)
   13473              :     {
   13474            7 :       gfc_add_modify_loc (input_location, &block, to_se.string_length,
   13475            7 :                           fold_convert (TREE_TYPE (to_se.string_length),
   13476              :                                         from_se.string_length));
   13477            7 :       if (from_expr->ts.deferred)
   13478            6 :         gfc_add_modify_loc (input_location, &block, from_se.string_length,
   13479            6 :                         build_int_cst (TREE_TYPE (from_se.string_length), 0));
   13480              :     }
   13481          148 :   if (fin_label)
   13482            0 :     gfc_add_expr_to_block (&block, build1_v (LABEL_EXPR, fin_label));
   13483              : 
   13484          148 :   gfc_add_block_to_block (&block, &to_se.post);
   13485          148 :   gfc_add_block_to_block (&block, &from_se.post);
   13486              : 
   13487          148 :   return gfc_finish_block (&block);
   13488              : }
   13489              : 
   13490              : 
   13491              : tree
   13492         6624 : gfc_conv_intrinsic_subroutine (gfc_code *code)
   13493              : {
   13494         6624 :   tree res;
   13495              : 
   13496         6624 :   gcc_assert (code->resolved_isym);
   13497              : 
   13498         6624 :   switch (code->resolved_isym->id)
   13499              :     {
   13500          263 :     case GFC_ISYM_MOVE_ALLOC:
   13501          263 :       res = conv_intrinsic_move_alloc (code);
   13502          263 :       break;
   13503              : 
   13504           14 :     case GFC_ISYM_ATOMIC_CAS:
   13505           14 :       res = conv_intrinsic_atomic_cas (code);
   13506           14 :       break;
   13507              : 
   13508           95 :     case GFC_ISYM_ATOMIC_ADD:
   13509           95 :     case GFC_ISYM_ATOMIC_AND:
   13510           95 :     case GFC_ISYM_ATOMIC_DEF:
   13511           95 :     case GFC_ISYM_ATOMIC_OR:
   13512           95 :     case GFC_ISYM_ATOMIC_XOR:
   13513           95 :     case GFC_ISYM_ATOMIC_FETCH_ADD:
   13514           95 :     case GFC_ISYM_ATOMIC_FETCH_AND:
   13515           95 :     case GFC_ISYM_ATOMIC_FETCH_OR:
   13516           95 :     case GFC_ISYM_ATOMIC_FETCH_XOR:
   13517           95 :       res = conv_intrinsic_atomic_op (code);
   13518           95 :       break;
   13519              : 
   13520          176 :     case GFC_ISYM_ATOMIC_REF:
   13521          176 :       res = conv_intrinsic_atomic_ref (code);
   13522          176 :       break;
   13523              : 
   13524          105 :     case GFC_ISYM_EVENT_QUERY:
   13525          105 :       res = conv_intrinsic_event_query (code);
   13526          105 :       break;
   13527              : 
   13528         3084 :     case GFC_ISYM_C_F_POINTER:
   13529         3084 :     case GFC_ISYM_C_F_PROCPOINTER:
   13530         3084 :       res = conv_isocbinding_subroutine (code);
   13531         3084 :       break;
   13532              : 
   13533          360 :     case GFC_ISYM_CAF_SEND:
   13534          360 :       res = conv_caf_send_to_remote (code);
   13535          360 :       break;
   13536              : 
   13537          140 :     case GFC_ISYM_CAF_SENDGET:
   13538          140 :       res = conv_caf_sendget (code);
   13539          140 :       break;
   13540              : 
   13541           88 :     case GFC_ISYM_CO_BROADCAST:
   13542           88 :     case GFC_ISYM_CO_MIN:
   13543           88 :     case GFC_ISYM_CO_MAX:
   13544           88 :     case GFC_ISYM_CO_REDUCE:
   13545           88 :     case GFC_ISYM_CO_SUM:
   13546           88 :       res = conv_co_collective (code);
   13547           88 :       break;
   13548              : 
   13549           10 :     case GFC_ISYM_FREE:
   13550           10 :       res = conv_intrinsic_free (code);
   13551           10 :       break;
   13552              : 
   13553           55 :     case GFC_ISYM_FSTAT:
   13554           55 :     case GFC_ISYM_LSTAT:
   13555           55 :     case GFC_ISYM_STAT:
   13556           55 :       res = conv_intrinsic_fstat_lstat_stat_sub (code);
   13557           55 :       break;
   13558              : 
   13559           90 :     case GFC_ISYM_RANDOM_INIT:
   13560           90 :       res = conv_intrinsic_random_init (code);
   13561           90 :       break;
   13562              : 
   13563           15 :     case GFC_ISYM_KILL:
   13564           15 :       res = conv_intrinsic_kill_sub (code);
   13565           15 :       break;
   13566              : 
   13567              :     case GFC_ISYM_MVBITS:
   13568              :       res = NULL_TREE;
   13569              :       break;
   13570              : 
   13571          194 :     case GFC_ISYM_SYSTEM_CLOCK:
   13572          194 :       res = conv_intrinsic_system_clock (code);
   13573          194 :       break;
   13574              : 
   13575          102 :     case GFC_ISYM_SPLIT:
   13576          102 :       res = conv_intrinsic_split (code);
   13577          102 :       break;
   13578              : 
   13579              :     default:
   13580              :       res = NULL_TREE;
   13581              :       break;
   13582              :     }
   13583              : 
   13584         6624 :   return res;
   13585              : }
   13586              : 
   13587              : #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.