Line data Source code
1 : /* Backend function setup
2 : Copyright (C) 2002-2026 Free Software Foundation, Inc.
3 : Contributed by Paul Brook
4 :
5 : This file is part of GCC.
6 :
7 : GCC is free software; you can redistribute it and/or modify it under
8 : the terms of the GNU General Public License as published by the Free
9 : Software Foundation; either version 3, or (at your option) any later
10 : version.
11 :
12 : GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 : WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 : FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 : for more details.
16 :
17 : You should have received a copy of the GNU General Public License
18 : along with GCC; see the file COPYING3. If not see
19 : <http://www.gnu.org/licenses/>. */
20 :
21 : /* trans-decl.cc -- Handling of backend function and variable decls, etc */
22 :
23 : #include "config.h"
24 : #include "system.h"
25 : #include "coretypes.h"
26 : #include "target.h"
27 : #include "function.h"
28 : #include "tree.h"
29 : #include "gfortran.h"
30 : #include "gimple-expr.h" /* For create_tmp_var_raw. */
31 : #include "trans.h"
32 : #include "stringpool.h"
33 : #include "cgraph.h"
34 : #include "fold-const.h"
35 : #include "stor-layout.h"
36 : #include "varasm.h"
37 : #include "attribs.h"
38 : #include "dumpfile.h"
39 : #include "toplev.h" /* For announce_function. */
40 : #include "debug.h"
41 : #include "constructor.h"
42 : #include "trans-types.h"
43 : #include "trans-array.h"
44 : #include "trans-const.h"
45 : /* Only for gfc_trans_code. Shouldn't need to include this. */
46 : #include "trans-stmt.h"
47 : #include "gomp-constants.h"
48 : #include "gimplify.h"
49 : #include "context.h"
50 : #include "omp-general.h"
51 : #include "omp-offload.h"
52 : #include "attr-fnspec.h"
53 : #include "tree-iterator.h"
54 : #include "dependency.h"
55 :
56 : #define MAX_LABEL_VALUE 99999
57 :
58 :
59 : /* Holds the result of the function if no result variable specified. */
60 :
61 : static GTY(()) tree current_fake_result_decl;
62 : static GTY(()) tree parent_fake_result_decl;
63 :
64 :
65 : /* Holds the variable DECLs for the current function. */
66 :
67 : static GTY(()) tree saved_function_decls;
68 : static GTY(()) tree saved_parent_function_decls;
69 :
70 : /* Holds the variable DECLs that are locals. */
71 :
72 : static GTY(()) tree saved_local_decls;
73 :
74 : /* The namespace of the module we're currently generating. Only used while
75 : outputting decls for module variables. Do not rely on this being set. */
76 :
77 : static gfc_namespace *module_namespace;
78 :
79 : /* The currently processed procedure symbol. */
80 : static gfc_symbol* current_procedure_symbol = NULL;
81 :
82 : /* The currently processed module. */
83 : static struct module_htab_entry *cur_module;
84 :
85 : /* With -fcoarray=lib: For generating the registering call
86 : of static coarrays. */
87 : static bool has_coarray_vars_or_accessors;
88 : static stmtblock_t caf_init_block;
89 :
90 :
91 : /* List of static constructor functions. */
92 :
93 : tree gfc_static_ctors;
94 :
95 :
96 : /* Whether we've seen a symbol from an IEEE module in the namespace. */
97 : static int seen_ieee_symbol;
98 :
99 : /* Function declarations for builtin library functions. */
100 :
101 : tree gfor_fndecl_pause_numeric;
102 : tree gfor_fndecl_pause_string;
103 : tree gfor_fndecl_stop_numeric;
104 : tree gfor_fndecl_stop_string;
105 : tree gfor_fndecl_error_stop_numeric;
106 : tree gfor_fndecl_error_stop_string;
107 : tree gfor_fndecl_runtime_error;
108 : tree gfor_fndecl_runtime_error_at;
109 : tree gfor_fndecl_runtime_warning_at;
110 : tree gfor_fndecl_os_error_at;
111 : tree gfor_fndecl_generate_error;
112 : tree gfor_fndecl_set_args;
113 : tree gfor_fndecl_set_fpe;
114 : tree gfor_fndecl_set_options;
115 : tree gfor_fndecl_set_convert;
116 : tree gfor_fndecl_set_record_marker;
117 : tree gfor_fndecl_set_max_subrecord_length;
118 : tree gfor_fndecl_ctime;
119 : tree gfor_fndecl_fdate;
120 : tree gfor_fndecl_ttynam;
121 : tree gfor_fndecl_in_pack;
122 : tree gfor_fndecl_in_unpack;
123 : tree gfor_fndecl_in_pack_class;
124 : tree gfor_fndecl_in_unpack_class;
125 : tree gfor_fndecl_associated;
126 : tree gfor_fndecl_system_clock4;
127 : tree gfor_fndecl_system_clock8;
128 : tree gfor_fndecl_ieee_procedure_entry;
129 : tree gfor_fndecl_ieee_procedure_exit;
130 :
131 : /* Coarray run-time library function decls. */
132 : tree gfor_fndecl_caf_init;
133 : tree gfor_fndecl_caf_finalize;
134 : tree gfor_fndecl_caf_this_image;
135 : tree gfor_fndecl_caf_num_images;
136 : tree gfor_fndecl_caf_register;
137 : tree gfor_fndecl_caf_deregister;
138 : tree gfor_fndecl_caf_register_accessor;
139 : tree gfor_fndecl_caf_register_accessors_finish;
140 : tree gfor_fndecl_caf_get_remote_function_index;
141 : tree gfor_fndecl_caf_get_from_remote;
142 : tree gfor_fndecl_caf_send_to_remote;
143 : tree gfor_fndecl_caf_transfer_between_remotes;
144 : tree gfor_fndecl_caf_sync_all;
145 : tree gfor_fndecl_caf_sync_memory;
146 : tree gfor_fndecl_caf_sync_images;
147 : tree gfor_fndecl_caf_stop_str;
148 : tree gfor_fndecl_caf_stop_numeric;
149 : tree gfor_fndecl_caf_error_stop;
150 : tree gfor_fndecl_caf_error_stop_str;
151 : tree gfor_fndecl_caf_atomic_def;
152 : tree gfor_fndecl_caf_atomic_ref;
153 : tree gfor_fndecl_caf_atomic_cas;
154 : tree gfor_fndecl_caf_atomic_op;
155 : tree gfor_fndecl_caf_lock;
156 : tree gfor_fndecl_caf_unlock;
157 : tree gfor_fndecl_caf_event_post;
158 : tree gfor_fndecl_caf_event_wait;
159 : tree gfor_fndecl_caf_event_query;
160 : tree gfor_fndecl_caf_fail_image;
161 : tree gfor_fndecl_caf_failed_images;
162 : tree gfor_fndecl_caf_image_status;
163 : tree gfor_fndecl_caf_stopped_images;
164 : tree gfor_fndecl_caf_form_team;
165 : tree gfor_fndecl_caf_change_team;
166 : tree gfor_fndecl_caf_end_team;
167 : tree gfor_fndecl_caf_sync_team;
168 : tree gfor_fndecl_caf_get_team;
169 : tree gfor_fndecl_caf_team_number;
170 : tree gfor_fndecl_co_broadcast;
171 : tree gfor_fndecl_co_max;
172 : tree gfor_fndecl_co_min;
173 : tree gfor_fndecl_co_reduce;
174 : tree gfor_fndecl_co_sum;
175 : tree gfor_fndecl_caf_is_present_on_remote;
176 : tree gfor_fndecl_caf_random_init;
177 :
178 :
179 : /* Math functions. Many other math functions are handled in
180 : trans-intrinsic.cc. */
181 :
182 : gfc_powdecl_list gfor_fndecl_math_powi[4][3];
183 : tree gfor_fndecl_unsigned_pow_list[5][5];
184 :
185 : tree gfor_fndecl_math_ishftc4;
186 : tree gfor_fndecl_math_ishftc8;
187 : tree gfor_fndecl_math_ishftc16;
188 :
189 :
190 : /* String functions. */
191 :
192 : tree gfor_fndecl_compare_string;
193 : tree gfor_fndecl_concat_string;
194 : tree gfor_fndecl_string_len_trim;
195 : tree gfor_fndecl_string_index;
196 : tree gfor_fndecl_string_scan;
197 : tree gfor_fndecl_string_verify;
198 : tree gfor_fndecl_string_trim;
199 : tree gfor_fndecl_string_minmax;
200 : tree gfor_fndecl_string_split;
201 : tree gfor_fndecl_adjustl;
202 : tree gfor_fndecl_adjustr;
203 : tree gfor_fndecl_select_string;
204 : tree gfor_fndecl_compare_string_char4;
205 : tree gfor_fndecl_concat_string_char4;
206 : tree gfor_fndecl_string_len_trim_char4;
207 : tree gfor_fndecl_string_index_char4;
208 : tree gfor_fndecl_string_scan_char4;
209 : tree gfor_fndecl_string_verify_char4;
210 : tree gfor_fndecl_string_trim_char4;
211 : tree gfor_fndecl_string_minmax_char4;
212 : tree gfor_fndecl_string_split_char4;
213 : tree gfor_fndecl_adjustl_char4;
214 : tree gfor_fndecl_adjustr_char4;
215 : tree gfor_fndecl_select_string_char4;
216 :
217 :
218 : /* Conversion between character kinds. */
219 : tree gfor_fndecl_convert_char1_to_char4;
220 : tree gfor_fndecl_convert_char4_to_char1;
221 :
222 :
223 : /* Other misc. runtime library functions. */
224 : tree gfor_fndecl_iargc;
225 : tree gfor_fndecl_kill;
226 : tree gfor_fndecl_kill_sub;
227 : tree gfor_fndecl_is_contiguous0;
228 : tree gfor_fndecl_fstat_i4_sub;
229 : tree gfor_fndecl_fstat_i8_sub;
230 : tree gfor_fndecl_lstat_i4_sub;
231 : tree gfor_fndecl_lstat_i8_sub;
232 : tree gfor_fndecl_stat_i4_sub;
233 : tree gfor_fndecl_stat_i8_sub;
234 :
235 :
236 : /* Intrinsic functions implemented in Fortran. */
237 : tree gfor_fndecl_sc_kind;
238 : tree gfor_fndecl_si_kind;
239 : tree gfor_fndecl_sl_kind;
240 : tree gfor_fndecl_sr_kind;
241 :
242 : /* BLAS gemm functions. */
243 : tree gfor_fndecl_sgemm;
244 : tree gfor_fndecl_dgemm;
245 : tree gfor_fndecl_cgemm;
246 : tree gfor_fndecl_zgemm;
247 :
248 : /* RANDOM_INIT function. */
249 : tree gfor_fndecl_random_init; /* libgfortran, 1 image only. */
250 :
251 : /* Deep copy helper for recursive allocatable array components. */
252 : tree gfor_fndecl_cfi_deep_copy_array;
253 :
254 : static void
255 5019 : gfc_add_decl_to_parent_function (tree decl)
256 : {
257 5019 : gcc_assert (decl);
258 5019 : DECL_CONTEXT (decl) = DECL_CONTEXT (current_function_decl);
259 5019 : DECL_NONLOCAL (decl) = 1;
260 5019 : DECL_CHAIN (decl) = saved_parent_function_decls;
261 5019 : saved_parent_function_decls = decl;
262 5019 : }
263 :
264 : void
265 286890 : gfc_add_decl_to_function (tree decl)
266 : {
267 286890 : gcc_assert (decl);
268 286890 : TREE_USED (decl) = 1;
269 286890 : DECL_CONTEXT (decl) = current_function_decl;
270 286890 : DECL_CHAIN (decl) = saved_function_decls;
271 286890 : saved_function_decls = decl;
272 286890 : }
273 :
274 : static void
275 12962 : add_decl_as_local (tree decl)
276 : {
277 12962 : gcc_assert (decl);
278 12962 : TREE_USED (decl) = 1;
279 12962 : DECL_CONTEXT (decl) = current_function_decl;
280 12962 : DECL_CHAIN (decl) = saved_local_decls;
281 12962 : saved_local_decls = decl;
282 12962 : }
283 :
284 :
285 : /* Build a backend label declaration. Set TREE_USED for named labels.
286 : The context of the label is always the current_function_decl. All
287 : labels are marked artificial. */
288 :
289 : tree
290 618625 : gfc_build_label_decl (tree label_id)
291 : {
292 : /* 2^32 temporaries should be enough. */
293 618625 : static unsigned int tmp_num = 1;
294 618625 : tree label_decl;
295 618625 : char *label_name;
296 :
297 618625 : if (label_id == NULL_TREE)
298 : {
299 : /* Build an internal label name. */
300 615105 : ASM_FORMAT_PRIVATE_NAME (label_name, "L", tmp_num++);
301 615105 : label_id = get_identifier (label_name);
302 : }
303 : else
304 618625 : label_name = NULL;
305 :
306 : /* Build the LABEL_DECL node. Labels have no type. */
307 618625 : label_decl = build_decl (input_location,
308 : LABEL_DECL, label_id, void_type_node);
309 618625 : DECL_CONTEXT (label_decl) = current_function_decl;
310 618625 : SET_DECL_MODE (label_decl, VOIDmode);
311 :
312 : /* We always define the label as used, even if the original source
313 : file never references the label. We don't want all kinds of
314 : spurious warnings for old-style Fortran code with too many
315 : labels. */
316 618625 : TREE_USED (label_decl) = 1;
317 :
318 618625 : DECL_ARTIFICIAL (label_decl) = 1;
319 618625 : return label_decl;
320 : }
321 :
322 :
323 : /* Set the backend source location of a decl. */
324 :
325 : void
326 181664 : gfc_set_decl_location (tree decl, locus * loc)
327 : {
328 181664 : DECL_SOURCE_LOCATION (decl) = gfc_get_location (loc);
329 181664 : }
330 :
331 :
332 : /* Return the backend label declaration for a given label structure,
333 : or create it if it doesn't exist yet. */
334 :
335 : tree
336 5850 : gfc_get_label_decl (gfc_st_label * lp)
337 : {
338 5850 : if (lp->backend_decl)
339 : return lp->backend_decl;
340 : else
341 : {
342 3520 : char label_name[GFC_MAX_SYMBOL_LEN + 1];
343 3520 : tree label_decl;
344 :
345 : /* Validate the label declaration from the front end. */
346 3520 : gcc_assert (lp != NULL && lp->value <= MAX_LABEL_VALUE);
347 :
348 : /* Build a mangled name for the label. */
349 3520 : if (lp->omp_region)
350 11 : sprintf (label_name, "__label_%d_%.6d", lp->omp_region, lp->value);
351 : else
352 3509 : sprintf (label_name, "__label_%.6d", lp->value);
353 :
354 : /* Build the LABEL_DECL node. */
355 3520 : label_decl = gfc_build_label_decl (get_identifier (label_name));
356 :
357 : /* Tell the debugger where the label came from. */
358 3520 : if (lp->value <= MAX_LABEL_VALUE) /* An internal label. */
359 3520 : gfc_set_decl_location (label_decl, &lp->where);
360 : else
361 0 : DECL_ARTIFICIAL (label_decl) = 1;
362 :
363 : /* Store the label in the label list and return the LABEL_DECL. */
364 3520 : lp->backend_decl = label_decl;
365 3520 : return label_decl;
366 : }
367 : }
368 :
369 : /* Return the name of an identifier. */
370 :
371 : static const char *
372 413791 : sym_identifier (gfc_symbol *sym)
373 : {
374 413791 : if (sym->attr.is_main_program && strcmp (sym->name, "main") == 0)
375 : return "MAIN__";
376 : else
377 409466 : return sym->name;
378 : }
379 :
380 : /* Convert a gfc_symbol to an identifier of the same name. */
381 :
382 : static tree
383 413791 : gfc_sym_identifier (gfc_symbol * sym)
384 : {
385 413791 : return get_identifier (sym_identifier (sym));
386 : }
387 :
388 : /* Construct mangled name from symbol name. */
389 :
390 : static const char *
391 19600 : mangled_identifier (gfc_symbol *sym)
392 : {
393 19600 : gfc_symbol *proc = sym->ns->proc_name;
394 19600 : static char name[3*GFC_MAX_MANGLED_SYMBOL_LEN + 14];
395 : /* Prevent the mangling of identifiers that have an assigned
396 : binding label (mainly those that are bind(c)). */
397 :
398 19600 : if (sym->attr.is_bind_c == 1 && sym->binding_label)
399 : return sym->binding_label;
400 :
401 19475 : if (!sym->fn_result_spec
402 57 : || (sym->module && !(proc && proc->attr.flavor == FL_PROCEDURE)))
403 : {
404 19426 : if (sym->module == NULL)
405 0 : return sym_identifier (sym);
406 : else
407 19426 : snprintf (name, sizeof name, "__%s_MOD_%s", sym->module, sym->name);
408 : }
409 : else
410 : {
411 : /* This is an entity that is actually local to a module procedure
412 : that appears in the result specification expression. Since
413 : sym->module will be a zero length string, we use ns->proc_name
414 : to provide the module name instead. */
415 49 : if (proc && proc->module)
416 48 : snprintf (name, sizeof name, "__%s_MOD__%s_PROC_%s",
417 : proc->module, proc->name, sym->name);
418 : else
419 1 : snprintf (name, sizeof name, "__%s_PROC_%s",
420 : proc->name, sym->name);
421 : }
422 :
423 : return name;
424 : }
425 :
426 : /* Get mangled identifier, adding the symbol to the global table if
427 : it is not yet already there. */
428 :
429 : static tree
430 19451 : gfc_sym_mangled_identifier (gfc_symbol * sym)
431 : {
432 19451 : tree result;
433 19451 : gfc_gsymbol *gsym;
434 19451 : const char *name;
435 :
436 19451 : name = mangled_identifier (sym);
437 19451 : result = get_identifier (name);
438 :
439 19451 : gsym = gfc_find_gsymbol (gfc_gsym_root, name);
440 19451 : if (gsym == NULL)
441 : {
442 19275 : gsym = gfc_get_gsymbol (name, false);
443 19275 : gsym->ns = sym->ns;
444 19275 : gsym->sym_name = sym->name;
445 : }
446 :
447 19451 : return result;
448 : }
449 :
450 : /* Construct mangled function name from symbol name. */
451 :
452 : static tree
453 80656 : gfc_sym_mangled_function_id (gfc_symbol * sym)
454 : {
455 80656 : int has_underscore;
456 80656 : char name[GFC_MAX_MANGLED_SYMBOL_LEN + 1];
457 :
458 : /* It may be possible to simply use the binding label if it's
459 : provided, and remove the other checks. Then we could use it
460 : for other things if we wished. */
461 80656 : if ((sym->attr.is_bind_c == 1 || sym->attr.is_iso_c == 1) &&
462 3407 : sym->binding_label)
463 : /* use the binding label rather than the mangled name */
464 3397 : return get_identifier (sym->binding_label);
465 :
466 77259 : if ((sym->module == NULL || sym->attr.proc == PROC_EXTERNAL
467 26278 : || (sym->module != NULL && (sym->attr.external
468 25223 : || sym->attr.if_source == IFSRC_IFBODY)))
469 52036 : && !sym->attr.module_procedure)
470 : {
471 : /* Main program is mangled into MAIN__. */
472 51643 : if (sym->attr.is_main_program)
473 26085 : return get_identifier ("MAIN__");
474 :
475 : /* Intrinsic procedures are never mangled. */
476 25558 : if (sym->attr.proc == PROC_INTRINSIC)
477 10961 : return get_identifier (sym->name);
478 :
479 14597 : if (flag_underscoring)
480 : {
481 13782 : has_underscore = strchr (sym->name, '_') != 0;
482 13782 : if (flag_second_underscore && has_underscore)
483 201 : snprintf (name, sizeof name, "%s__", sym->name);
484 : else
485 13581 : snprintf (name, sizeof name, "%s_", sym->name);
486 13782 : return get_identifier (name);
487 : }
488 : else
489 815 : return get_identifier (sym->name);
490 : }
491 : else
492 : {
493 25616 : snprintf (name, sizeof name, "__%s_MOD_%s", sym->module, sym->name);
494 25616 : return get_identifier (name);
495 : }
496 : }
497 :
498 :
499 : void
500 102384 : gfc_set_decl_assembler_name (tree decl, tree name)
501 : {
502 102384 : tree target_mangled = targetm.mangle_decl_assembler_name (decl, name);
503 102384 : SET_DECL_ASSEMBLER_NAME (decl, target_mangled);
504 102384 : }
505 :
506 :
507 : /* Returns true if a variable of specified size should go on the stack. */
508 :
509 : bool
510 170918 : gfc_can_put_var_on_stack (tree size)
511 : {
512 170918 : unsigned HOST_WIDE_INT low;
513 :
514 170918 : if (!INTEGER_CST_P (size))
515 : return 0;
516 :
517 163424 : if (flag_max_stack_var_size < 0)
518 : return 1;
519 :
520 135723 : if (!tree_fits_uhwi_p (size))
521 : return 0;
522 :
523 135723 : low = TREE_INT_CST_LOW (size);
524 135723 : if (low > (unsigned HOST_WIDE_INT) flag_max_stack_var_size)
525 206 : return 0;
526 :
527 : /* TODO: Set a per-function stack size limit. */
528 :
529 : return 1;
530 : }
531 :
532 :
533 : /* gfc_finish_cray_pointee sets DECL_VALUE_EXPR for a Cray pointee to
534 : an expression involving its corresponding pointer. There are
535 : 2 cases; one for variable size arrays, and one for everything else,
536 : because variable-sized arrays require one fewer level of
537 : indirection. */
538 :
539 : static void
540 288 : gfc_finish_cray_pointee (tree decl, gfc_symbol *sym)
541 : {
542 288 : tree ptr_decl = gfc_get_symbol_decl (sym->cp_pointer);
543 288 : tree value;
544 :
545 : /* Parameters need to be dereferenced. */
546 288 : if (sym->cp_pointer->attr.dummy)
547 1 : ptr_decl = build_fold_indirect_ref_loc (input_location,
548 : ptr_decl);
549 :
550 : /* Check to see if we're dealing with a variable-sized array. */
551 288 : if (sym->attr.dimension
552 288 : && TREE_CODE (TREE_TYPE (decl)) == POINTER_TYPE)
553 : {
554 : /* These decls will be dereferenced later, so we don't dereference
555 : them here. */
556 140 : value = convert (TREE_TYPE (decl), ptr_decl);
557 : }
558 : else
559 : {
560 148 : ptr_decl = convert (build_pointer_type (TREE_TYPE (decl)),
561 : ptr_decl);
562 148 : value = build_fold_indirect_ref_loc (input_location,
563 : ptr_decl);
564 : }
565 :
566 288 : SET_DECL_VALUE_EXPR (decl, value);
567 288 : DECL_HAS_VALUE_EXPR_P (decl) = 1;
568 288 : GFC_DECL_CRAY_POINTEE (decl) = 1;
569 288 : }
570 :
571 :
572 : /* Finish processing of a declaration without an initial value. */
573 :
574 : static void
575 173235 : gfc_finish_decl (tree decl)
576 : {
577 173235 : gcc_assert (TREE_CODE (decl) == PARM_DECL
578 : || DECL_INITIAL (decl) == NULL_TREE);
579 :
580 173235 : if (!VAR_P (decl))
581 : return;
582 :
583 750 : if (DECL_SIZE (decl) == NULL_TREE
584 750 : && COMPLETE_TYPE_P (TREE_TYPE (decl)))
585 0 : layout_decl (decl, 0);
586 :
587 : /* A few consistency checks. */
588 : /* A static variable with an incomplete type is an error if it is
589 : initialized. Also if it is not file scope. Otherwise, let it
590 : through, but if it is not `extern' then it may cause an error
591 : message later. */
592 : /* An automatic variable with an incomplete type is an error. */
593 :
594 : /* We should know the storage size. */
595 750 : gcc_assert (DECL_SIZE (decl) != NULL_TREE
596 : || (TREE_STATIC (decl)
597 : ? (!DECL_INITIAL (decl) || !DECL_CONTEXT (decl))
598 : : DECL_EXTERNAL (decl)));
599 :
600 : /* The storage size should be constant. */
601 750 : gcc_assert ((!DECL_EXTERNAL (decl) && !TREE_STATIC (decl))
602 : || !DECL_SIZE (decl)
603 : || TREE_CODE (DECL_SIZE (decl)) == INTEGER_CST);
604 : }
605 :
606 :
607 : /* Handle setting of GFC_DECL_SCALAR* on DECL. */
608 :
609 : void
610 417427 : gfc_finish_decl_attrs (tree decl, symbol_attribute *attr)
611 : {
612 417427 : if (!attr->dimension && !attr->codimension)
613 : {
614 : /* Handle scalar allocatable variables. */
615 331030 : if (attr->allocatable)
616 : {
617 6786 : gfc_allocate_lang_decl (decl);
618 6786 : GFC_DECL_SCALAR_ALLOCATABLE (decl) = 1;
619 : }
620 : /* Handle scalar pointer variables. */
621 331030 : if (attr->pointer)
622 : {
623 41323 : gfc_allocate_lang_decl (decl);
624 41323 : GFC_DECL_SCALAR_POINTER (decl) = 1;
625 : }
626 331030 : if (attr->target)
627 : {
628 25125 : gfc_allocate_lang_decl (decl);
629 25125 : GFC_DECL_SCALAR_TARGET (decl) = 1;
630 : }
631 : }
632 417427 : }
633 :
634 :
635 : /* Apply symbol attributes to a variable, and add it to the function scope. */
636 :
637 : static void
638 183684 : gfc_finish_var_decl (tree decl, gfc_symbol * sym)
639 : {
640 183684 : tree new_type;
641 :
642 : /* Set DECL_VALUE_EXPR for Cray Pointees. */
643 183684 : if (sym->attr.cray_pointee)
644 288 : gfc_finish_cray_pointee (decl, sym);
645 :
646 : /* TREE_ADDRESSABLE means the address of this variable is actually needed.
647 : This is the equivalent of the TARGET variables.
648 : We also need to set this if the variable is passed by reference in a
649 : CALL statement. */
650 183684 : if (sym->attr.target)
651 27441 : TREE_ADDRESSABLE (decl) = 1;
652 :
653 : /* If it wasn't used we wouldn't be getting it. */
654 183684 : TREE_USED (decl) = 1;
655 :
656 183684 : if (sym->attr.flavor == FL_PARAMETER
657 1468 : && (sym->attr.dimension || sym->ts.type == BT_DERIVED))
658 1458 : TREE_READONLY (decl) = 1;
659 :
660 : /* Chain this decl to the pending declarations. Don't do pushdecl()
661 : because this would add them to the current scope rather than the
662 : function scope. */
663 183684 : if (current_function_decl != NULL_TREE)
664 : {
665 164392 : if (sym->ns->proc_name
666 164386 : && (sym->ns->proc_name->backend_decl == current_function_decl
667 17880 : || sym->result == sym))
668 146506 : gfc_add_decl_to_function (decl);
669 17886 : else if (sym->ns->proc_name
670 17880 : && sym->ns->proc_name->attr.flavor == FL_LABEL)
671 : /* This is a BLOCK construct. */
672 12962 : add_decl_as_local (decl);
673 4924 : else if (sym->ns->omp_affinity_iterators)
674 : /* This is a block-local iterator. */
675 0 : add_decl_as_local (decl);
676 : else
677 4924 : gfc_add_decl_to_parent_function (decl);
678 : }
679 :
680 183684 : if (sym->attr.cray_pointee)
681 : return;
682 :
683 183396 : if(sym->attr.is_bind_c == 1 && sym->binding_label)
684 : {
685 : /* We need to put variables that are bind(c) into the common
686 : segment of the object file, because this is what C would do.
687 : gfortran would typically put them in either the BSS or
688 : initialized data segments, and only mark them as common if
689 : they were part of common blocks. However, if they are not put
690 : into common space, then C cannot initialize global Fortran
691 : variables that it interoperates with and the draft says that
692 : either Fortran or C should be able to initialize it (but not
693 : both, of course.) (J3/04-007, section 15.3). */
694 125 : TREE_PUBLIC(decl) = 1;
695 125 : DECL_COMMON(decl) = 1;
696 125 : if (sym->attr.access == ACCESS_PRIVATE && !sym->attr.public_used)
697 : {
698 2 : DECL_VISIBILITY (decl) = VISIBILITY_HIDDEN;
699 2 : DECL_VISIBILITY_SPECIFIED (decl) = true;
700 : }
701 : }
702 :
703 : /* If a variable is USE associated, it's always external. */
704 183396 : if (sym->attr.use_assoc || sym->attr.used_in_submodule)
705 : {
706 112 : DECL_EXTERNAL (decl) = 1;
707 112 : TREE_PUBLIC (decl) = 1;
708 : }
709 183284 : else if (sym->fn_result_spec && !sym->ns->proc_name->module)
710 : {
711 :
712 1 : if (sym->ns->proc_name->attr.if_source != IFSRC_DECL)
713 0 : DECL_EXTERNAL (decl) = 1;
714 : else
715 1 : TREE_STATIC (decl) = 1;
716 :
717 1 : TREE_PUBLIC (decl) = 1;
718 : }
719 183283 : else if (sym->module && !sym->attr.result && !sym->attr.dummy)
720 : {
721 : /* TODO: Don't set sym->module for result or dummy variables. */
722 19283 : gcc_assert (current_function_decl == NULL_TREE || sym->result == sym);
723 :
724 19283 : TREE_PUBLIC (decl) = 1;
725 19283 : TREE_STATIC (decl) = 1;
726 19283 : if (sym->attr.access == ACCESS_PRIVATE && !sym->attr.public_used)
727 : {
728 344 : DECL_VISIBILITY (decl) = VISIBILITY_HIDDEN;
729 344 : DECL_VISIBILITY_SPECIFIED (decl) = true;
730 : }
731 : }
732 :
733 : /* Derived types are a bit peculiar because of the possibility of
734 : a default initializer; this must be applied each time the variable
735 : comes into scope it therefore need not be static. These variables
736 : are SAVE_NONE but have an initializer. Otherwise explicitly
737 : initialized variables are SAVE_IMPLICIT and explicitly saved are
738 : SAVE_EXPLICIT. */
739 183396 : if (!sym->attr.use_assoc
740 183287 : && (sym->attr.save != SAVE_NONE || sym->attr.data
741 147817 : || (sym->value && sym->ns->proc_name->attr.is_main_program)
742 143513 : || (flag_coarray == GFC_FCOARRAY_LIB
743 2346 : && sym->attr.codimension && !sym->attr.allocatable)))
744 39947 : TREE_STATIC (decl) = 1;
745 :
746 : /* If derived-type variables with DTIO procedures are not made static
747 : some bits of code referencing them get optimized away.
748 : TODO Understand why this is so and fix it. */
749 183396 : if (!sym->attr.use_assoc
750 183287 : && ((sym->ts.type == BT_DERIVED
751 35498 : && sym->ts.u.derived->attr.has_dtio_procs)
752 182696 : || (sym->ts.type == BT_CLASS
753 4799 : && CLASS_DATA (sym)->ts.u.derived->attr.has_dtio_procs)))
754 623 : TREE_STATIC (decl) = 1;
755 :
756 : /* Treat asynchronous variables the same as volatile, for now. */
757 183396 : if (sym->attr.volatile_ || sym->attr.asynchronous)
758 : {
759 771 : TREE_THIS_VOLATILE (decl) = 1;
760 771 : TREE_SIDE_EFFECTS (decl) = 1;
761 771 : new_type = build_qualified_type (TREE_TYPE (decl), TYPE_QUAL_VOLATILE);
762 771 : TREE_TYPE (decl) = new_type;
763 : }
764 :
765 : /* Keep variables larger than max-stack-var-size off stack. */
766 183390 : if (!(sym->ns->proc_name && sym->ns->proc_name->attr.recursive)
767 160782 : && !sym->attr.automatic
768 160769 : && !sym->attr.associate_var
769 152573 : && sym->attr.save != SAVE_EXPLICIT
770 148888 : && sym->attr.save != SAVE_IMPLICIT
771 119160 : && INTEGER_CST_P (DECL_SIZE_UNIT (decl))
772 118769 : && !gfc_can_put_var_on_stack (DECL_SIZE_UNIT (decl))
773 : /* Put variable length auto array pointers always into stack. */
774 141 : && (TREE_CODE (TREE_TYPE (decl)) != POINTER_TYPE
775 2 : || sym->attr.dimension == 0
776 2 : || sym->as->type != AS_EXPLICIT
777 2 : || sym->attr.pointer
778 2 : || sym->attr.allocatable)
779 183535 : && !DECL_ARTIFICIAL (decl))
780 : {
781 138 : if (flag_max_stack_var_size > 0
782 131 : && !(sym->ns->proc_name
783 131 : && sym->ns->proc_name->attr.is_main_program))
784 32 : gfc_warning (OPT_Wsurprising,
785 : "Array %qs at %L is larger than limit set by "
786 : "%<-fmax-stack-var-size=%>, moved from stack to static "
787 : "storage. This makes the procedure unsafe when called "
788 : "recursively, or concurrently from multiple threads. "
789 : "Consider increasing the %<-fmax-stack-var-size=%> "
790 : "limit (or use %<-frecursive%>, which implies "
791 : "unlimited %<-fmax-stack-var-size%>) - or change the "
792 : "code to use an ALLOCATABLE array. If the variable is "
793 : "never accessed concurrently, this warning can be "
794 : "ignored, and the variable could also be declared with "
795 : "the SAVE attribute.",
796 : sym->name, &sym->declared_at);
797 :
798 138 : TREE_STATIC (decl) = 1;
799 :
800 : /* Because the size of this variable isn't known until now, we may have
801 : greedily added an initializer to this variable (in build_init_assign)
802 : even though the max-stack-var-size indicates the variable should be
803 : static. Therefore we rip out the automatic initializer here and
804 : replace it with a static one. */
805 138 : gfc_symtree *st = gfc_find_symtree (sym->ns->sym_root, sym->name);
806 138 : gfc_code *prev = NULL;
807 138 : gfc_code *code = sym->ns->code;
808 138 : while (code && code->op == EXEC_INIT_ASSIGN)
809 : {
810 : /* Look for an initializer meant for this symbol. */
811 8 : if (code->expr1->symtree == st)
812 : {
813 8 : if (prev)
814 0 : prev->next = code->next;
815 : else
816 8 : sym->ns->code = code->next;
817 :
818 : break;
819 : }
820 :
821 0 : prev = code;
822 0 : code = code->next;
823 : }
824 146 : if (code && code->op == EXEC_INIT_ASSIGN)
825 : {
826 : /* Keep the init expression for a static initializer. */
827 8 : sym->value = code->expr2;
828 : /* Cleanup the defunct code object, without freeing the init expr. */
829 8 : code->expr2 = NULL;
830 8 : gfc_free_statement (code);
831 8 : free (code);
832 : }
833 : }
834 :
835 183396 : if (sym->attr.omp_allocate && TREE_STATIC (decl))
836 : {
837 9 : struct gfc_omp_namelist *n;
838 35 : for (n = sym->ns->omp_allocate; n; n = n->next)
839 35 : if (n->sym == sym)
840 : break;
841 9 : tree alloc = gfc_conv_constant_to_tree (n->u2.allocator);
842 9 : tree align = (n->u.align ? gfc_conv_constant_to_tree (n->u.align)
843 : : NULL_TREE);
844 9 : DECL_ATTRIBUTES (decl)
845 18 : = tree_cons (get_identifier ("omp allocate"),
846 9 : build_tree_list (alloc, align), DECL_ATTRIBUTES (decl));
847 : }
848 :
849 : /* Mark weak variables. */
850 183396 : if (sym->attr.ext_attr & (1 << EXT_ATTR_WEAK))
851 1 : declare_weak (decl);
852 :
853 : /* Handle threadprivate variables. */
854 183396 : if (sym->attr.threadprivate
855 183396 : && (TREE_STATIC (decl) || DECL_EXTERNAL (decl)))
856 151 : set_decl_tls_model (decl, decl_default_tls_model (decl));
857 :
858 183396 : gfc_finish_decl_attrs (decl, &sym->attr);
859 : }
860 :
861 :
862 : /* Allocate the lang-specific part of a decl. */
863 :
864 : void
865 107706 : gfc_allocate_lang_decl (tree decl)
866 : {
867 107706 : if (DECL_LANG_SPECIFIC (decl) == NULL)
868 102437 : DECL_LANG_SPECIFIC (decl) = ggc_cleared_alloc<struct lang_decl> ();
869 107706 : }
870 :
871 :
872 : /* Determine order of two symbol declarations. */
873 :
874 : static bool
875 5655 : decl_order (gfc_symbol *sym1, gfc_symbol *sym2)
876 : {
877 5655 : if (sym1->decl_order > sym2->decl_order)
878 : return true;
879 : else
880 0 : return false;
881 : }
882 :
883 :
884 : /* Remember a symbol to generate initialization/cleanup code at function
885 : entry/exit. */
886 :
887 : static void
888 82339 : gfc_defer_symbol_init (gfc_symbol * sym)
889 : {
890 82339 : gfc_symbol *p;
891 82339 : gfc_symbol *last;
892 82339 : gfc_symbol *head;
893 :
894 : /* Don't add a symbol twice. */
895 82339 : if (sym->tlink)
896 : return;
897 :
898 76846 : last = head = sym->ns->proc_name;
899 76846 : p = last->tlink;
900 :
901 76846 : gfc_function_dependency (sym, head);
902 :
903 : /* Make sure that setup code for dummy variables which are used in the
904 : setup of other variables is generated first. */
905 76846 : if (sym->attr.dummy)
906 : {
907 : /* Find the first dummy arg seen after us, or the first non-dummy arg.
908 : This is a circular list, so don't go past the head. */
909 : while (p != head
910 16670 : && (!p->attr.dummy || decl_order (p, sym)))
911 : {
912 3283 : last = p;
913 3283 : p = p->tlink;
914 : }
915 : }
916 63459 : else if (sym->fn_result_dep)
917 : {
918 : /* In the case of non-dummy symbols with dependencies on an old-fashioned
919 : function result (ie. proc_name = proc_name->result), make sure that the
920 : order in the tlink chain is such that the code appears in declaration
921 : order. This ensures that mutual dependencies between these symbols are
922 : respected. */
923 : while (p != head
924 228 : && (!p->attr.result || decl_order (sym, p)))
925 : {
926 162 : last = p;
927 162 : p = p->tlink;
928 : }
929 : }
930 : /* Insert in between last and p. */
931 76846 : last->tlink = sym;
932 76846 : sym->tlink = p;
933 : }
934 :
935 :
936 : /* Used in gfc_get_symbol_decl and gfc_get_derived_type to obtain the
937 : backend_decl for a module symbol, if it all ready exists. If the
938 : module gsymbol does not exist, it is created. If the symbol does
939 : not exist, it is added to the gsymbol namespace. Returns true if
940 : an existing backend_decl is found. */
941 :
942 : bool
943 13888 : gfc_get_module_backend_decl (gfc_symbol *sym)
944 : {
945 13888 : gfc_gsymbol *gsym;
946 13888 : gfc_symbol *s;
947 13888 : gfc_symtree *st;
948 :
949 13888 : gsym = gfc_find_gsymbol (gfc_gsym_root, sym->module);
950 :
951 13888 : if (!gsym || (gsym->ns && gsym->type == GSYM_MODULE))
952 : {
953 13888 : st = NULL;
954 13888 : s = NULL;
955 :
956 : /* Check for a symbol with the same name. */
957 361 : if (gsym)
958 13527 : gfc_find_symbol (sym->name, gsym->ns, 0, &s);
959 :
960 13888 : if (!s)
961 : {
962 529 : if (!gsym)
963 : {
964 361 : gsym = gfc_get_gsymbol (sym->module, false);
965 361 : gsym->type = GSYM_MODULE;
966 361 : gsym->ns = gfc_get_namespace (NULL, 0);
967 : }
968 :
969 529 : st = gfc_new_symtree (&gsym->ns->sym_root, sym->name);
970 529 : st->n.sym = sym;
971 529 : sym->refs++;
972 : }
973 13359 : else if (gfc_fl_struct (sym->attr.flavor))
974 : {
975 10669 : if (s && s->attr.flavor == FL_PROCEDURE)
976 : {
977 5771 : gfc_interface *intr;
978 5771 : gcc_assert (s->attr.generic);
979 5916 : for (intr = s->generic; intr; intr = intr->next)
980 5916 : if (gfc_fl_struct (intr->sym->attr.flavor))
981 : {
982 5771 : s = intr->sym;
983 5771 : break;
984 : }
985 : }
986 :
987 : /* Normally we can assume that s is a derived-type symbol since it
988 : shares a name with the derived-type sym. However if sym is a
989 : STRUCTURE, it may in fact share a name with any other basic type
990 : variable. If s is in fact of derived type then we can continue
991 : looking for a duplicate type declaration. */
992 10669 : if (sym->attr.flavor == FL_STRUCT && s->ts.type == BT_DERIVED)
993 : {
994 0 : s = s->ts.u.derived;
995 : }
996 :
997 10669 : if (gfc_fl_struct (s->attr.flavor) && !s->backend_decl)
998 : {
999 25 : if (s->attr.flavor == FL_UNION)
1000 0 : s->backend_decl = gfc_get_union_type (s);
1001 : else
1002 25 : s->backend_decl = gfc_get_derived_type (s);
1003 : }
1004 10669 : gfc_copy_dt_decls_ifequal (s, sym, true);
1005 10669 : return true;
1006 : }
1007 2690 : else if (s->backend_decl)
1008 : {
1009 2678 : if (sym->ts.type == BT_DERIVED || sym->ts.type == BT_CLASS)
1010 532 : gfc_copy_dt_decls_ifequal (s->ts.u.derived, sym->ts.u.derived,
1011 : true);
1012 2146 : else if (sym->ts.type == BT_CHARACTER)
1013 312 : sym->ts.u.cl->backend_decl = s->ts.u.cl->backend_decl;
1014 2678 : sym->backend_decl = s->backend_decl;
1015 2678 : return true;
1016 : }
1017 : }
1018 : return false;
1019 : }
1020 :
1021 :
1022 : /* Create an array index type variable with function scope. */
1023 :
1024 : static tree
1025 45375 : create_index_var (const char * pfx, int nest)
1026 : {
1027 45375 : tree decl;
1028 :
1029 45375 : decl = gfc_create_var_np (gfc_array_index_type, pfx);
1030 45375 : if (nest)
1031 28 : gfc_add_decl_to_parent_function (decl);
1032 : else
1033 45347 : gfc_add_decl_to_function (decl);
1034 45375 : return decl;
1035 : }
1036 :
1037 :
1038 : /* Create variables to hold all the non-constant bits of info for a
1039 : descriptorless array. Remember these in the lang-specific part of the
1040 : type. */
1041 :
1042 : static void
1043 62572 : gfc_build_qualified_array (tree decl, gfc_symbol * sym)
1044 : {
1045 62572 : tree type;
1046 62572 : int dim;
1047 62572 : int nest;
1048 62572 : gfc_namespace* procns;
1049 62572 : symbol_attribute *array_attr;
1050 62572 : gfc_array_spec *as;
1051 62572 : bool is_classarray = IS_CLASS_COARRAY_OR_ARRAY (sym);
1052 :
1053 62572 : type = TREE_TYPE (decl);
1054 62572 : array_attr = is_classarray ? &CLASS_DATA (sym)->attr : &sym->attr;
1055 62572 : as = is_classarray ? CLASS_DATA (sym)->as : sym->as;
1056 :
1057 : /* We just use the descriptor, if there is one. */
1058 62572 : if (GFC_DESCRIPTOR_TYPE_P (type))
1059 : return;
1060 :
1061 46988 : gcc_assert (GFC_ARRAY_TYPE_P (type));
1062 46988 : procns = gfc_find_proc_namespace (sym->ns);
1063 93976 : nest = (procns->proc_name->backend_decl != current_function_decl)
1064 46988 : && !sym->attr.contained;
1065 :
1066 846 : if (array_attr->codimension && flag_coarray == GFC_FCOARRAY_LIB
1067 535 : && as->type != AS_ASSUMED_SHAPE
1068 47500 : && GFC_TYPE_ARRAY_CAF_TOKEN (type) == NULL_TREE)
1069 : {
1070 512 : tree token;
1071 512 : tree token_type = build_qualified_type (pvoid_type_node,
1072 : TYPE_QUAL_RESTRICT);
1073 :
1074 512 : if (sym->module && (sym->attr.use_assoc
1075 22 : || sym->ns->proc_name->attr.flavor == FL_MODULE))
1076 : {
1077 27 : tree token_name
1078 27 : = get_identifier (gfc_get_string (GFC_PREFIX ("caf_token%s"),
1079 : IDENTIFIER_POINTER (gfc_sym_mangled_identifier (sym))));
1080 27 : token = build_decl (DECL_SOURCE_LOCATION (decl), VAR_DECL, token_name,
1081 : token_type);
1082 27 : if (sym->attr.use_assoc
1083 22 : || (sym->attr.host_assoc && sym->attr.used_in_submodule))
1084 7 : DECL_EXTERNAL (token) = 1;
1085 : else
1086 20 : TREE_STATIC (token) = 1;
1087 :
1088 27 : TREE_PUBLIC (token) = 1;
1089 :
1090 27 : if (sym->attr.access == ACCESS_PRIVATE && !sym->attr.public_used)
1091 : {
1092 0 : DECL_VISIBILITY (token) = VISIBILITY_HIDDEN;
1093 0 : DECL_VISIBILITY_SPECIFIED (token) = true;
1094 : }
1095 : }
1096 : else
1097 : {
1098 485 : token = gfc_create_var_np (token_type, "caf_token");
1099 485 : TREE_STATIC (token) = 1;
1100 : }
1101 :
1102 512 : GFC_TYPE_ARRAY_CAF_TOKEN (type) = token;
1103 512 : DECL_ARTIFICIAL (token) = 1;
1104 512 : DECL_NONALIASED (token) = 1;
1105 :
1106 512 : if (sym->module && !sym->attr.use_assoc)
1107 : {
1108 22 : module_htab_entry *mod
1109 22 : = cur_module ? cur_module : gfc_find_module (sym->module);
1110 22 : pushdecl (token);
1111 22 : DECL_CONTEXT (token) = sym->ns->proc_name->backend_decl;
1112 22 : gfc_module_add_decl (mod, token);
1113 22 : }
1114 490 : else if (sym->attr.host_assoc
1115 490 : && TREE_CODE (DECL_CONTEXT (current_function_decl))
1116 : != TRANSLATION_UNIT_DECL)
1117 3 : gfc_add_decl_to_parent_function (token);
1118 : else
1119 487 : gfc_add_decl_to_function (token);
1120 : }
1121 :
1122 112012 : for (dim = 0; dim < GFC_TYPE_ARRAY_RANK (type); dim++)
1123 : {
1124 65024 : if (GFC_TYPE_ARRAY_LBOUND (type, dim) == NULL_TREE)
1125 : {
1126 521 : GFC_TYPE_ARRAY_LBOUND (type, dim) = create_index_var ("lbound", nest);
1127 521 : suppress_warning (GFC_TYPE_ARRAY_LBOUND (type, dim));
1128 : }
1129 : /* Don't try to use the unknown bound for assumed shape arrays. */
1130 65024 : if (GFC_TYPE_ARRAY_UBOUND (type, dim) == NULL_TREE
1131 65024 : && (as->type != AS_ASSUMED_SIZE
1132 2111 : || dim < GFC_TYPE_ARRAY_RANK (type) - 1))
1133 : {
1134 18444 : GFC_TYPE_ARRAY_UBOUND (type, dim) = create_index_var ("ubound", nest);
1135 18444 : suppress_warning (GFC_TYPE_ARRAY_UBOUND (type, dim));
1136 : }
1137 :
1138 65024 : if (GFC_TYPE_ARRAY_STRIDE (type, dim) == NULL_TREE)
1139 : {
1140 11024 : GFC_TYPE_ARRAY_STRIDE (type, dim) = create_index_var ("stride", nest);
1141 11024 : suppress_warning (GFC_TYPE_ARRAY_STRIDE (type, dim));
1142 : }
1143 : }
1144 48108 : for (dim = GFC_TYPE_ARRAY_RANK (type);
1145 48108 : dim < GFC_TYPE_ARRAY_RANK (type) + GFC_TYPE_ARRAY_CORANK (type); dim++)
1146 : {
1147 1120 : if (GFC_TYPE_ARRAY_LBOUND (type, dim) == NULL_TREE)
1148 : {
1149 114 : GFC_TYPE_ARRAY_LBOUND (type, dim) = create_index_var ("lbound", nest);
1150 114 : suppress_warning (GFC_TYPE_ARRAY_LBOUND (type, dim));
1151 : }
1152 : /* Don't try to use the unknown ubound for the last coarray dimension. */
1153 1120 : if (GFC_TYPE_ARRAY_UBOUND (type, dim) == NULL_TREE
1154 1120 : && dim < GFC_TYPE_ARRAY_RANK (type) + GFC_TYPE_ARRAY_CORANK (type) - 1)
1155 : {
1156 60 : GFC_TYPE_ARRAY_UBOUND (type, dim) = create_index_var ("ubound", nest);
1157 60 : suppress_warning (GFC_TYPE_ARRAY_UBOUND (type, dim));
1158 : }
1159 : }
1160 46988 : if (GFC_TYPE_ARRAY_OFFSET (type) == NULL_TREE)
1161 : {
1162 8525 : GFC_TYPE_ARRAY_OFFSET (type) = gfc_create_var_np (gfc_array_index_type,
1163 : "offset");
1164 8525 : suppress_warning (GFC_TYPE_ARRAY_OFFSET (type));
1165 :
1166 8525 : if (nest)
1167 8 : gfc_add_decl_to_parent_function (GFC_TYPE_ARRAY_OFFSET (type));
1168 : else
1169 8517 : gfc_add_decl_to_function (GFC_TYPE_ARRAY_OFFSET (type));
1170 : }
1171 :
1172 63955 : if (GFC_TYPE_ARRAY_SIZE (type) == NULL_TREE && as->rank != 0
1173 63914 : && as->type != AS_ASSUMED_SIZE)
1174 : {
1175 15212 : GFC_TYPE_ARRAY_SIZE (type) = create_index_var ("size", nest);
1176 15212 : suppress_warning (GFC_TYPE_ARRAY_SIZE (type));
1177 : }
1178 :
1179 46988 : if (POINTER_TYPE_P (type))
1180 : {
1181 20504 : gcc_assert (GFC_ARRAY_TYPE_P (TREE_TYPE (type)));
1182 20504 : gcc_assert (TYPE_LANG_SPECIFIC (type)
1183 : == TYPE_LANG_SPECIFIC (TREE_TYPE (type)));
1184 20504 : type = TREE_TYPE (type);
1185 : }
1186 :
1187 46988 : if (! COMPLETE_TYPE_P (type) && GFC_TYPE_ARRAY_SIZE (type))
1188 : {
1189 15212 : tree size, range;
1190 :
1191 45636 : size = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
1192 15212 : GFC_TYPE_ARRAY_SIZE (type), gfc_index_one_node);
1193 15212 : range = build_range_type (gfc_array_index_type, gfc_index_zero_node,
1194 : size);
1195 15212 : TYPE_DOMAIN (type) = range;
1196 15212 : layout_type (type);
1197 : }
1198 :
1199 85398 : if (TYPE_NAME (type) != NULL_TREE && as->rank > 0
1200 37961 : && GFC_TYPE_ARRAY_UBOUND (type, as->rank - 1) != NULL_TREE
1201 83623 : && VAR_P (GFC_TYPE_ARRAY_UBOUND (type, as->rank - 1)))
1202 : {
1203 7075 : tree gtype = DECL_ORIGINAL_TYPE (TYPE_NAME (type));
1204 :
1205 7463 : for (dim = 0; dim < as->rank - 1; dim++)
1206 : {
1207 388 : gcc_assert (TREE_CODE (gtype) == ARRAY_TYPE);
1208 388 : gtype = TREE_TYPE (gtype);
1209 : }
1210 7075 : gcc_assert (TREE_CODE (gtype) == ARRAY_TYPE);
1211 7075 : if (TYPE_MAX_VALUE (TYPE_DOMAIN (gtype)) == NULL)
1212 7075 : TYPE_NAME (type) = NULL_TREE;
1213 : }
1214 :
1215 46988 : if (TYPE_NAME (type) == NULL_TREE)
1216 : {
1217 15653 : tree gtype = TREE_TYPE (type), rtype, type_decl;
1218 :
1219 36042 : for (dim = as->rank - 1; dim >= 0; dim--)
1220 : {
1221 20389 : tree lbound, ubound;
1222 20389 : lbound = GFC_TYPE_ARRAY_LBOUND (type, dim);
1223 20389 : ubound = GFC_TYPE_ARRAY_UBOUND (type, dim);
1224 20389 : rtype = build_range_type (gfc_array_index_type, lbound, ubound);
1225 20389 : gtype = build_array_type (gtype, rtype);
1226 : /* Ensure the bound variables aren't optimized out at -O0.
1227 : For -O1 and above they often will be optimized out, but
1228 : can be tracked by VTA. Also set DECL_NAMELESS, so that
1229 : the artificial lbound.N or ubound.N DECL_NAME doesn't
1230 : end up in debug info. */
1231 20389 : if (lbound
1232 20389 : && VAR_P (lbound)
1233 521 : && DECL_ARTIFICIAL (lbound)
1234 20910 : && DECL_IGNORED_P (lbound))
1235 : {
1236 521 : if (DECL_NAME (lbound)
1237 521 : && strstr (IDENTIFIER_POINTER (DECL_NAME (lbound)),
1238 : "lbound") != 0)
1239 521 : DECL_NAMELESS (lbound) = 1;
1240 521 : DECL_IGNORED_P (lbound) = 0;
1241 : }
1242 20389 : if (ubound
1243 20001 : && VAR_P (ubound)
1244 18444 : && DECL_ARTIFICIAL (ubound)
1245 38833 : && DECL_IGNORED_P (ubound))
1246 : {
1247 18444 : if (DECL_NAME (ubound)
1248 18444 : && strstr (IDENTIFIER_POINTER (DECL_NAME (ubound)),
1249 : "ubound") != 0)
1250 18444 : DECL_NAMELESS (ubound) = 1;
1251 18444 : DECL_IGNORED_P (ubound) = 0;
1252 : }
1253 : }
1254 15653 : TYPE_NAME (type) = type_decl = build_decl (input_location,
1255 : TYPE_DECL, NULL, gtype);
1256 15653 : DECL_ORIGINAL_TYPE (type_decl) = gtype;
1257 : }
1258 : }
1259 :
1260 :
1261 : /* For some dummy arguments we don't use the actual argument directly.
1262 : Instead we create a local decl and use that. This allows us to perform
1263 : initialization, and construct full type information. */
1264 :
1265 : static tree
1266 24782 : gfc_build_dummy_array_decl (gfc_symbol * sym, tree dummy)
1267 : {
1268 24782 : tree decl;
1269 24782 : tree type;
1270 24782 : gfc_array_spec *as;
1271 24782 : symbol_attribute *array_attr;
1272 24782 : char *name;
1273 24782 : gfc_packed packed;
1274 24782 : int n;
1275 24782 : bool known_size;
1276 24782 : bool is_classarray = IS_CLASS_COARRAY_OR_ARRAY (sym);
1277 :
1278 : /* Use the array as and attr. */
1279 24782 : as = is_classarray ? CLASS_DATA (sym)->as : sym->as;
1280 24782 : array_attr = is_classarray ? &CLASS_DATA (sym)->attr : &sym->attr;
1281 :
1282 : /* The dummy is returned for pointer, allocatable or assumed rank arrays.
1283 : For class arrays the information if sym is an allocatable or pointer
1284 : object needs to be checked explicitly (IS_CLASS_ARRAY can be false for
1285 : too many reasons to be of use here). */
1286 24782 : if ((sym->ts.type != BT_CLASS && sym->attr.pointer)
1287 22917 : || (sym->ts.type == BT_CLASS && CLASS_DATA (sym)->attr.class_pointer)
1288 22917 : || array_attr->allocatable
1289 17856 : || (as && as->type == AS_ASSUMED_RANK))
1290 : return dummy;
1291 :
1292 : /* Add to list of variables if not a fake result variable.
1293 : These symbols are set on the symbol only, not on the class component. */
1294 14097 : if (sym->attr.result || sym->attr.dummy)
1295 13493 : gfc_defer_symbol_init (sym);
1296 :
1297 : /* For a class array the array descriptor is in the _data component, while
1298 : for a regular array the TREE_TYPE of the dummy is a pointer to the
1299 : descriptor. */
1300 14097 : type = TREE_TYPE (is_classarray ? gfc_class_data_get (dummy)
1301 : : TREE_TYPE (dummy));
1302 : /* type now is the array descriptor w/o any indirection. */
1303 14097 : gcc_assert (TREE_CODE (dummy) == PARM_DECL
1304 : && POINTER_TYPE_P (TREE_TYPE (dummy)));
1305 :
1306 : /* Do we know the element size? */
1307 14097 : known_size = sym->ts.type != BT_CHARACTER
1308 14097 : || INTEGER_CST_P (sym->ts.u.cl->backend_decl);
1309 :
1310 13217 : if (known_size && !GFC_DESCRIPTOR_TYPE_P (type))
1311 : {
1312 : /* For descriptorless arrays with known element size the actual
1313 : argument is sufficient. */
1314 6741 : gfc_build_qualified_array (dummy, sym);
1315 6741 : return dummy;
1316 : }
1317 :
1318 7356 : if (GFC_DESCRIPTOR_TYPE_P (type))
1319 : {
1320 : /* Create a descriptorless array pointer. */
1321 6987 : packed = PACKED_NO;
1322 :
1323 : /* Even when -frepack-arrays is used, symbols with TARGET attribute
1324 : are not repacked. */
1325 6987 : if (!flag_repack_arrays || sym->attr.target)
1326 : {
1327 6985 : if (as->type == AS_ASSUMED_SIZE)
1328 79 : packed = PACKED_FULL;
1329 : }
1330 : else
1331 : {
1332 2 : if (as->type == AS_EXPLICIT)
1333 : {
1334 3 : packed = PACKED_FULL;
1335 3 : for (n = 0; n < as->rank; n++)
1336 : {
1337 2 : if (!(as->upper[n]
1338 2 : && as->lower[n]
1339 2 : && as->upper[n]->expr_type == EXPR_CONSTANT
1340 2 : && as->lower[n]->expr_type == EXPR_CONSTANT))
1341 : {
1342 : packed = PACKED_PARTIAL;
1343 : break;
1344 : }
1345 : }
1346 : }
1347 : else
1348 : packed = PACKED_PARTIAL;
1349 : }
1350 :
1351 : /* For classarrays the element type is required, but
1352 : gfc_typenode_for_spec () returns the array descriptor. */
1353 6987 : type = is_classarray ? gfc_get_element_type (type)
1354 6125 : : gfc_typenode_for_spec (&sym->ts);
1355 6987 : type = gfc_get_nodesc_array_type (type, as, packed,
1356 6987 : !sym->attr.target);
1357 : }
1358 : else
1359 : {
1360 : /* We now have an expression for the element size, so create a fully
1361 : qualified type. Reset sym->backend decl or this will just return the
1362 : old type. */
1363 369 : DECL_ARTIFICIAL (sym->backend_decl) = 1;
1364 369 : sym->backend_decl = NULL_TREE;
1365 369 : type = gfc_sym_type (sym);
1366 369 : packed = PACKED_FULL;
1367 : }
1368 :
1369 7356 : ASM_FORMAT_PRIVATE_NAME (name, IDENTIFIER_POINTER (DECL_NAME (dummy)), 0);
1370 7356 : decl = build_decl (input_location,
1371 : VAR_DECL, get_identifier (name), type);
1372 :
1373 7356 : DECL_ARTIFICIAL (decl) = 1;
1374 7356 : DECL_NAMELESS (decl) = 1;
1375 7356 : TREE_PUBLIC (decl) = 0;
1376 7356 : TREE_STATIC (decl) = 0;
1377 7356 : DECL_EXTERNAL (decl) = 0;
1378 :
1379 : /* Avoid uninitialized warnings for optional dummy arguments. */
1380 7356 : if ((sym->ts.type == BT_CLASS && CLASS_DATA (sym)->attr.optional)
1381 7356 : || sym->attr.optional)
1382 804 : suppress_warning (decl);
1383 :
1384 : /* We should never get deferred shape arrays here. We used to because of
1385 : frontend bugs. */
1386 7356 : gcc_assert (as->type != AS_DEFERRED);
1387 :
1388 7356 : if (packed == PACKED_PARTIAL)
1389 1 : GFC_DECL_PARTIAL_PACKED_ARRAY (decl) = 1;
1390 7355 : else if (packed == PACKED_FULL)
1391 448 : GFC_DECL_PACKED_ARRAY (decl) = 1;
1392 :
1393 7356 : gfc_build_qualified_array (decl, sym);
1394 :
1395 7356 : if (DECL_LANG_SPECIFIC (dummy))
1396 982 : DECL_LANG_SPECIFIC (decl) = DECL_LANG_SPECIFIC (dummy);
1397 : else
1398 6374 : gfc_allocate_lang_decl (decl);
1399 :
1400 7356 : GFC_DECL_SAVED_DESCRIPTOR (decl) = dummy;
1401 :
1402 7356 : if (sym->ns->proc_name->backend_decl == current_function_decl
1403 518 : || sym->attr.contained)
1404 7348 : gfc_add_decl_to_function (decl);
1405 : else
1406 8 : gfc_add_decl_to_parent_function (decl);
1407 :
1408 : return decl;
1409 : }
1410 :
1411 : /* Return a constant or a variable to use as a string length. Does not
1412 : add the decl to the current scope. */
1413 :
1414 : static tree
1415 15737 : gfc_create_string_length (gfc_symbol * sym)
1416 : {
1417 15737 : gcc_assert (sym->ts.u.cl);
1418 15737 : gfc_conv_const_charlen (sym->ts.u.cl);
1419 :
1420 15737 : if (sym->ts.u.cl->backend_decl == NULL_TREE)
1421 : {
1422 3473 : tree length;
1423 3473 : const char *name;
1424 :
1425 : /* The string length variable shall be in static memory if it is either
1426 : explicitly SAVED, a module variable or with -fno-automatic. Only
1427 : relevant is "len=:" - otherwise, it is either a constant length or
1428 : it is an automatic variable. */
1429 6946 : bool static_length = sym->attr.save
1430 3296 : || sym->ns->proc_name->attr.flavor == FL_MODULE
1431 6769 : || (flag_max_stack_var_size == 0
1432 2 : && sym->ts.deferred && !sym->attr.dummy
1433 0 : && !sym->attr.result && !sym->attr.function);
1434 :
1435 : /* Also prefix the mangled name. We need to call GFC_PREFIX for static
1436 : variables as some systems do not support the "." in the assembler name.
1437 : For nonstatic variables, the "." does not appear in assembler. */
1438 3296 : if (static_length)
1439 : {
1440 177 : if (sym->module)
1441 54 : name = gfc_get_string (GFC_PREFIX ("%s_MOD_%s"), sym->module,
1442 : sym->name);
1443 : else
1444 123 : name = gfc_get_string (GFC_PREFIX ("%s"), sym->name);
1445 : }
1446 3296 : else if (sym->module)
1447 0 : name = gfc_get_string (".__%s_MOD_%s", sym->module, sym->name);
1448 : else
1449 3296 : name = gfc_get_string (".%s", sym->name);
1450 :
1451 3473 : length = build_decl (input_location,
1452 : VAR_DECL, get_identifier (name),
1453 : gfc_charlen_type_node);
1454 3473 : DECL_ARTIFICIAL (length) = 1;
1455 3473 : TREE_USED (length) = 1;
1456 3473 : if (sym->ns->proc_name->tlink != NULL)
1457 3222 : gfc_defer_symbol_init (sym);
1458 :
1459 3473 : sym->ts.u.cl->backend_decl = length;
1460 :
1461 3473 : if (static_length)
1462 177 : TREE_STATIC (length) = 1;
1463 :
1464 3473 : if (sym->ns->proc_name->attr.flavor == FL_MODULE
1465 54 : && (sym->attr.access != ACCESS_PRIVATE || sym->attr.public_used))
1466 54 : TREE_PUBLIC (length) = 1;
1467 : }
1468 :
1469 15737 : gcc_assert (sym->ts.u.cl->backend_decl != NULL_TREE);
1470 15737 : return sym->ts.u.cl->backend_decl;
1471 : }
1472 :
1473 : /* If a variable is assigned a label, we add another two auxiliary
1474 : variables. */
1475 :
1476 : static void
1477 66 : gfc_add_assign_aux_vars (gfc_symbol * sym)
1478 : {
1479 66 : tree addr;
1480 66 : tree length;
1481 66 : tree decl;
1482 :
1483 66 : gcc_assert (sym->backend_decl);
1484 :
1485 66 : decl = sym->backend_decl;
1486 66 : gfc_allocate_lang_decl (decl);
1487 66 : GFC_DECL_ASSIGN (decl) = 1;
1488 66 : length = build_decl (input_location,
1489 : VAR_DECL, create_tmp_var_name (sym->name),
1490 : gfc_charlen_type_node);
1491 66 : addr = build_decl (input_location,
1492 : VAR_DECL, create_tmp_var_name (sym->name),
1493 : pvoid_type_node);
1494 66 : gfc_finish_var_decl (length, sym);
1495 66 : gfc_finish_var_decl (addr, sym);
1496 : /* STRING_LENGTH is also used as flag. Less than -1 means that
1497 : ASSIGN_ADDR cannot be used. Equal -1 means that ASSIGN_ADDR is the
1498 : target label's address. Otherwise, value is the length of a format string
1499 : and ASSIGN_ADDR is its address. */
1500 66 : if (TREE_STATIC (length))
1501 1 : DECL_INITIAL (length) = build_int_cst (gfc_charlen_type_node, -2);
1502 : else
1503 65 : gfc_defer_symbol_init (sym);
1504 :
1505 66 : GFC_DECL_STRING_LEN (decl) = length;
1506 66 : GFC_DECL_ASSIGN_ADDR (decl) = addr;
1507 66 : }
1508 :
1509 :
1510 : static void
1511 285784 : add_attributes_to_decl (tree *decl_p, const gfc_symbol *sym)
1512 : {
1513 285784 : unsigned id;
1514 285784 : tree list = NULL_TREE;
1515 285784 : symbol_attribute sym_attr = sym->attr;
1516 :
1517 3143624 : for (id = 0; id < EXT_ATTR_NUM; id++)
1518 2857840 : if (sym_attr.ext_attr & (1 << id) && ext_attr_list[id].middle_end_name)
1519 : {
1520 0 : tree ident = get_identifier (ext_attr_list[id].middle_end_name);
1521 0 : list = tree_cons (ident, NULL_TREE, list);
1522 : }
1523 :
1524 285784 : tree clauses = NULL_TREE;
1525 :
1526 285784 : if (sym_attr.oacc_routine_lop != OACC_ROUTINE_LOP_NONE)
1527 : {
1528 355 : omp_clause_code code;
1529 355 : switch (sym_attr.oacc_routine_lop)
1530 : {
1531 : case OACC_ROUTINE_LOP_GANG:
1532 : code = OMP_CLAUSE_GANG;
1533 : break;
1534 : case OACC_ROUTINE_LOP_WORKER:
1535 : code = OMP_CLAUSE_WORKER;
1536 : break;
1537 : case OACC_ROUTINE_LOP_VECTOR:
1538 : code = OMP_CLAUSE_VECTOR;
1539 : break;
1540 : case OACC_ROUTINE_LOP_SEQ:
1541 : code = OMP_CLAUSE_SEQ;
1542 : break;
1543 0 : case OACC_ROUTINE_LOP_NONE:
1544 0 : case OACC_ROUTINE_LOP_ERROR:
1545 0 : default:
1546 0 : gcc_unreachable ();
1547 : }
1548 355 : tree c = build_omp_clause (UNKNOWN_LOCATION, code);
1549 355 : OMP_CLAUSE_CHAIN (c) = clauses;
1550 355 : clauses = c;
1551 :
1552 355 : tree dims = oacc_build_routine_dims (clauses);
1553 355 : list = oacc_replace_fn_attrib_attr (list, dims);
1554 : }
1555 :
1556 285784 : if (sym_attr.oacc_routine_nohost)
1557 : {
1558 40 : tree c = build_omp_clause (UNKNOWN_LOCATION, OMP_CLAUSE_NOHOST);
1559 40 : OMP_CLAUSE_CHAIN (c) = clauses;
1560 40 : clauses = c;
1561 : }
1562 :
1563 : /* FIXME: 'declare_target_link' permits both any and host, but
1564 : will fail if one sets OMP_CLAUSE_DEVICE_TYPE_KIND. */
1565 285784 : if (sym_attr.omp_device_type != OMP_DEVICE_TYPE_UNSET
1566 410 : && !sym_attr.omp_declare_target_link
1567 402 : && !sym_attr.omp_declare_target_indirect /* implies 'any' */)
1568 : {
1569 356 : tree c = build_omp_clause (UNKNOWN_LOCATION, OMP_CLAUSE_DEVICE_TYPE);
1570 356 : switch (sym_attr.omp_device_type)
1571 : {
1572 5 : case OMP_DEVICE_TYPE_HOST:
1573 5 : OMP_CLAUSE_DEVICE_TYPE_KIND (c) = OMP_CLAUSE_DEVICE_TYPE_HOST;
1574 5 : break;
1575 4 : case OMP_DEVICE_TYPE_NOHOST:
1576 4 : OMP_CLAUSE_DEVICE_TYPE_KIND (c) = OMP_CLAUSE_DEVICE_TYPE_NOHOST;
1577 4 : break;
1578 347 : case OMP_DEVICE_TYPE_ANY:
1579 347 : OMP_CLAUSE_DEVICE_TYPE_KIND (c) = OMP_CLAUSE_DEVICE_TYPE_ANY;
1580 347 : break;
1581 0 : default:
1582 0 : gcc_unreachable ();
1583 : }
1584 356 : OMP_CLAUSE_CHAIN (c) = clauses;
1585 356 : clauses = c;
1586 : }
1587 :
1588 : /* Also check trans-common.cc when updating/removing the following;
1589 : also update f95.c's gfc_gnu_attributes. */
1590 285784 : if (sym_attr.omp_groupprivate)
1591 6 : gfc_error ("Sorry, OMP GROUPPRIVATE not implemented, "
1592 6 : "used by %qs declared at %L", sym->name, &sym->declared_at);
1593 285778 : else if (sym_attr.omp_declare_target_local)
1594 : /* Use 'else if' as groupprivate implies 'local'. */
1595 0 : gfc_error ("Sorry, OMP DECLARE TARGET with LOCAL clause not implemented, "
1596 0 : "used by %qs declared at %L", sym->name, &sym->declared_at);
1597 :
1598 285784 : bool has_declare = true;
1599 285784 : if (sym_attr.omp_declare_target_link
1600 285776 : || sym_attr.oacc_declare_link)
1601 9 : list = tree_cons (get_identifier ("omp declare target link"),
1602 : clauses, list);
1603 285775 : else if (sym_attr.omp_declare_target
1604 284901 : || sym_attr.oacc_declare_create
1605 284858 : || sym_attr.oacc_declare_copyin
1606 284848 : || sym_attr.oacc_declare_deviceptr
1607 284848 : || sym_attr.oacc_declare_device_resident)
1608 943 : list = tree_cons (get_identifier ("omp declare target"),
1609 : clauses, list);
1610 : else
1611 : has_declare = false;
1612 :
1613 285784 : if (sym_attr.omp_declare_target_indirect)
1614 46 : list = tree_cons (get_identifier ("omp declare target indirect"),
1615 : clauses, list);
1616 :
1617 285784 : decl_attributes (decl_p, list, 0);
1618 :
1619 285784 : if (has_declare
1620 952 : && VAR_P (*decl_p)
1621 407 : && sym->ns->proc_name->attr.flavor != FL_MODULE)
1622 : {
1623 150 : has_declare = false;
1624 618 : for (gfc_namespace* ns = sym->ns->contained; ns; ns = ns->sibling)
1625 471 : if (ns->proc_name->attr.omp_declare_target)
1626 : {
1627 : has_declare = true;
1628 : break;
1629 : }
1630 : }
1631 :
1632 952 : if (has_declare && VAR_P (*decl_p) && has_declare)
1633 : {
1634 : /* Add to offload_vars; get_create does so for omp_declare_target,
1635 : omp_declare_target_link requires manual work. */
1636 260 : gcc_assert (symtab_node::get (*decl_p) == 0);
1637 260 : symtab_node *node = symtab_node::get_create (*decl_p);
1638 260 : if (node != NULL && sym_attr.omp_declare_target_link)
1639 : {
1640 8 : node->offloadable = 1;
1641 8 : if (ENABLE_OFFLOADING)
1642 : {
1643 : g->have_offload = true;
1644 : if (is_a <varpool_node *> (node))
1645 : vec_safe_push (offload_vars, *decl_p);
1646 : }
1647 : }
1648 : }
1649 285784 : }
1650 :
1651 :
1652 : static void build_function_decl (gfc_symbol * sym, bool global);
1653 :
1654 :
1655 : /* Return the decl for a gfc_symbol, create it if it doesn't already
1656 : exist. */
1657 :
1658 : tree
1659 1828080 : gfc_get_symbol_decl (gfc_symbol * sym)
1660 : {
1661 1828080 : tree decl;
1662 1828080 : tree length = NULL_TREE;
1663 1828080 : int byref;
1664 1828080 : bool intrinsic_array_parameter = false;
1665 1828080 : bool fun_or_res;
1666 :
1667 1828080 : gcc_assert (sym->attr.referenced
1668 : || sym->attr.flavor == FL_PROCEDURE
1669 : || sym->attr.use_assoc
1670 : || sym->attr.used_in_submodule
1671 : || sym->ns->proc_name->attr.if_source == IFSRC_IFBODY
1672 : || (sym->module && sym->attr.if_source != IFSRC_DECL
1673 : && sym->backend_decl));
1674 :
1675 324852 : if (sym->attr.dummy && sym->ns->proc_name->attr.is_bind_c
1676 1852043 : && is_CFI_desc (sym, NULL))
1677 : {
1678 15489 : gcc_assert (sym->backend_decl && (sym->ts.type != BT_CHARACTER
1679 : || sym->ts.u.cl->backend_decl));
1680 : return sym->backend_decl;
1681 : }
1682 :
1683 1812591 : if (sym->ns && sym->ns->proc_name && sym->ns->proc_name->attr.function)
1684 224311 : byref = gfc_return_by_reference (sym->ns->proc_name);
1685 : else
1686 : byref = 0;
1687 :
1688 : /* Make sure that the vtab for the declared type is completed. */
1689 1812591 : if (sym->ts.type == BT_CLASS)
1690 : {
1691 85032 : gfc_component *c = CLASS_DATA (sym);
1692 85032 : if (!c->ts.u.derived->backend_decl)
1693 : {
1694 2541 : gfc_find_derived_vtab (c->ts.u.derived);
1695 2541 : gfc_get_derived_type (sym->ts.u.derived);
1696 : }
1697 : }
1698 :
1699 : /* PDT parameterized array components and string_lengths must have the
1700 : 'len' parameters substituted for the expressions appearing in the
1701 : declaration of the entity and memory allocated/deallocated. */
1702 1812591 : if ((sym->ts.type == BT_DERIVED || sym->ts.type == BT_CLASS)
1703 318761 : && sym->param_list != NULL
1704 4259 : && (gfc_current_ns == sym->ns
1705 2071 : || (gfc_current_ns == sym->ns->parent
1706 2071 : && gfc_current_ns->proc_name->attr.flavor != FL_MODULE))
1707 3032 : && !(sym->attr.use_assoc || sym->attr.dummy))
1708 2773 : gfc_defer_symbol_init (sym);
1709 :
1710 1812591 : if ((sym->ts.type == BT_DERIVED && sym->ts.u.derived->attr.pdt_comp)
1711 68 : && (gfc_current_ns == sym->ns
1712 25 : || (gfc_current_ns == sym->ns->parent
1713 24 : && gfc_current_ns->proc_name->attr.flavor != FL_MODULE))
1714 43 : && !(sym->attr.use_assoc || sym->attr.dummy))
1715 43 : gfc_defer_symbol_init (sym);
1716 :
1717 : /* Dummy PDT 'len' parameters should be checked when they are explicit. */
1718 1812591 : if ((sym->ts.type == BT_DERIVED || sym->ts.type == BT_CLASS)
1719 318761 : && (gfc_option.rtcheck & GFC_RTCHECK_BOUNDS)
1720 10838 : && sym->param_list != NULL
1721 454 : && sym->attr.dummy)
1722 189 : gfc_defer_symbol_init (sym);
1723 :
1724 : /* All deferred character length procedures need to retain the backend
1725 : decl, which is a pointer to the character length in the caller's
1726 : namespace and to declare a local character length. */
1727 1812591 : if (!byref && sym->attr.function
1728 19052 : && sym->ts.type == BT_CHARACTER
1729 1373 : && sym->ts.deferred
1730 268 : && sym->ts.u.cl->passed_length == NULL
1731 12 : && sym->ts.u.cl->backend_decl
1732 0 : && TREE_CODE (sym->ts.u.cl->backend_decl) == PARM_DECL)
1733 : {
1734 0 : sym->ts.u.cl->passed_length = sym->ts.u.cl->backend_decl;
1735 0 : gcc_assert (POINTER_TYPE_P (TREE_TYPE (sym->ts.u.cl->passed_length)));
1736 0 : sym->ts.u.cl->backend_decl = build_fold_indirect_ref (sym->ts.u.cl->backend_decl);
1737 : }
1738 :
1739 17400 : fun_or_res = byref && (sym->attr.result
1740 13647 : || (sym->attr.function && sym->ts.deferred));
1741 1812591 : if ((sym->attr.dummy && ! sym->attr.function) || fun_or_res)
1742 : {
1743 : /* Return via extra parameter. */
1744 312562 : if (sym->attr.result && byref
1745 3753 : && !sym->backend_decl)
1746 : {
1747 2392 : sym->backend_decl =
1748 1196 : DECL_ARGUMENTS (sym->ns->proc_name->backend_decl);
1749 : /* For entry master function skip over the __entry
1750 : argument. */
1751 1196 : if (sym->ns->proc_name->attr.entry_master)
1752 83 : sym->backend_decl = DECL_CHAIN (sym->backend_decl);
1753 : }
1754 :
1755 : /* Automatic array indices in module procedures need the backend_decl
1756 : to be extracted from the procedure formal arglist. */
1757 312562 : if (sym->attr.dummy && !sym->backend_decl)
1758 : {
1759 12 : gfc_formal_arglist *f;
1760 18 : for (f = sym->ns->proc_name->formal; f; f = f->next)
1761 : {
1762 18 : gfc_symbol *fsym = f->sym;
1763 18 : if (strcmp (sym->name, fsym->name))
1764 6 : continue;
1765 12 : sym->backend_decl = fsym->backend_decl;
1766 12 : break;
1767 : }
1768 : }
1769 :
1770 : /* Dummy variables should already have been created. */
1771 312562 : gcc_assert (sym->backend_decl);
1772 :
1773 : /* However, the string length of deferred arrays must be set. */
1774 312562 : if (sym->ts.type == BT_CHARACTER
1775 28840 : && sym->ts.deferred
1776 3601 : && sym->attr.dimension
1777 1336 : && sym->attr.allocatable)
1778 530 : gfc_defer_symbol_init (sym);
1779 :
1780 312562 : if (sym->attr.pointer && sym->attr.dimension && sym->ts.type != BT_CLASS)
1781 10059 : GFC_DECL_PTR_ARRAY_P (sym->backend_decl) = 1;
1782 :
1783 : /* Create a character length variable. */
1784 312562 : if (sym->ts.type == BT_CHARACTER)
1785 : {
1786 : /* For a deferred dummy, make a new string length variable. */
1787 28840 : if (sym->ts.deferred
1788 3601 : &&
1789 3601 : (sym->ts.u.cl->passed_length == sym->ts.u.cl->backend_decl))
1790 0 : sym->ts.u.cl->backend_decl = NULL_TREE;
1791 :
1792 28840 : if (sym->ts.deferred && byref)
1793 : {
1794 : /* The string length of a deferred char array is stored in the
1795 : parameter at sym->ts.u.cl->backend_decl as a reference and
1796 : marked as a result. Exempt this variable from generating a
1797 : temporary for it. */
1798 747 : if (sym->attr.result)
1799 : {
1800 : /* We need to insert a indirect ref for param decls. */
1801 660 : if (sym->ts.u.cl->backend_decl
1802 660 : && TREE_CODE (sym->ts.u.cl->backend_decl) == PARM_DECL)
1803 : {
1804 0 : sym->ts.u.cl->passed_length = sym->ts.u.cl->backend_decl;
1805 0 : sym->ts.u.cl->backend_decl =
1806 0 : build_fold_indirect_ref (sym->ts.u.cl->backend_decl);
1807 : }
1808 : }
1809 : /* For all other parameters make sure, that they are copied so
1810 : that the value and any modifications are local to the routine
1811 : by generating a temporary variable. */
1812 87 : else if (sym->attr.function
1813 75 : && sym->ts.u.cl->passed_length == NULL
1814 0 : && sym->ts.u.cl->backend_decl)
1815 : {
1816 0 : sym->ts.u.cl->passed_length = sym->ts.u.cl->backend_decl;
1817 0 : if (POINTER_TYPE_P (TREE_TYPE (sym->ts.u.cl->passed_length)))
1818 0 : sym->ts.u.cl->backend_decl
1819 0 : = build_fold_indirect_ref (sym->ts.u.cl->backend_decl);
1820 : else
1821 0 : sym->ts.u.cl->backend_decl = NULL_TREE;
1822 : }
1823 : }
1824 :
1825 28840 : if (sym->ts.u.cl->backend_decl == NULL_TREE)
1826 1 : length = gfc_create_string_length (sym);
1827 : else
1828 28839 : length = sym->ts.u.cl->backend_decl;
1829 28840 : if (VAR_P (length) && DECL_FILE_SCOPE_P (length))
1830 : {
1831 : /* Add the string length to the same context as the symbol. */
1832 688 : if (DECL_CONTEXT (length) == NULL_TREE)
1833 : {
1834 688 : if (sym->backend_decl == current_function_decl
1835 688 : || (DECL_CONTEXT (sym->backend_decl)
1836 : == current_function_decl))
1837 687 : gfc_add_decl_to_function (length);
1838 : else
1839 1 : gfc_add_decl_to_parent_function (length);
1840 : }
1841 :
1842 688 : gcc_assert (sym->backend_decl == current_function_decl
1843 : ? DECL_CONTEXT (length) == current_function_decl
1844 : : (DECL_CONTEXT (sym->backend_decl)
1845 : == DECL_CONTEXT (length)));
1846 :
1847 688 : gfc_defer_symbol_init (sym);
1848 : }
1849 : }
1850 :
1851 : /* Use a copy of the descriptor for dummy arrays. */
1852 312562 : if ((sym->attr.dimension || sym->attr.codimension)
1853 107020 : && !TREE_USED (sym->backend_decl))
1854 : {
1855 19771 : decl = gfc_build_dummy_array_decl (sym, sym->backend_decl);
1856 : /* Prevent the dummy from being detected as unused if it is copied. */
1857 19771 : if (sym->backend_decl != NULL && decl != sym->backend_decl)
1858 5521 : DECL_ARTIFICIAL (sym->backend_decl) = 1;
1859 19771 : sym->backend_decl = decl;
1860 : }
1861 :
1862 : /* Returning the descriptor for dummy class arrays is hazardous, because
1863 : some caller is expecting an expression to apply the component refs to.
1864 : Therefore the descriptor is only created and stored in
1865 : sym->backend_decl's GFC_DECL_SAVED_DESCRIPTOR. The caller is then
1866 : responsible to extract it from there, when the descriptor is
1867 : desired. */
1868 26800 : if (IS_CLASS_COARRAY_OR_ARRAY (sym)
1869 322749 : && (!DECL_LANG_SPECIFIC (sym->backend_decl)
1870 7865 : || !GFC_DECL_SAVED_DESCRIPTOR (sym->backend_decl)))
1871 : {
1872 4204 : decl = gfc_build_dummy_array_decl (sym, sym->backend_decl);
1873 : /* Prevent the dummy from being detected as unused if it is copied. */
1874 4204 : if (sym->backend_decl != NULL && decl != sym->backend_decl)
1875 862 : DECL_ARTIFICIAL (sym->backend_decl) = 1;
1876 4204 : sym->backend_decl = decl;
1877 : }
1878 :
1879 312562 : TREE_USED (sym->backend_decl) = 1;
1880 312562 : if (sym->attr.assign && GFC_DECL_ASSIGN (sym->backend_decl) == 0)
1881 6 : gfc_add_assign_aux_vars (sym);
1882 :
1883 312562 : if (sym->ts.type == BT_CLASS && sym->backend_decl
1884 26800 : && !IS_CLASS_COARRAY_OR_ARRAY (sym))
1885 16613 : GFC_DECL_CLASS (sym->backend_decl) = 1;
1886 :
1887 312562 : return sym->backend_decl;
1888 : }
1889 :
1890 15636 : if (sym->result == sym && sym->attr.assign
1891 1500034 : && GFC_DECL_ASSIGN (sym->backend_decl) == 0)
1892 1 : gfc_add_assign_aux_vars (sym);
1893 :
1894 1500029 : if (sym->backend_decl)
1895 : return sym->backend_decl;
1896 :
1897 : /* Special case for array-valued named constants from intrinsic
1898 : procedures; those are inlined. */
1899 198322 : if (sym->attr.use_assoc && sym->attr.flavor == FL_PARAMETER
1900 138 : && (sym->from_intmod == INTMOD_ISO_FORTRAN_ENV
1901 138 : || sym->from_intmod == INTMOD_ISO_C_BINDING))
1902 198322 : intrinsic_array_parameter = true;
1903 :
1904 : /* If use associated compilation, use the module
1905 : declaration. */
1906 198322 : if ((sym->attr.flavor == FL_VARIABLE
1907 16979 : || sym->attr.flavor == FL_PARAMETER)
1908 182896 : && (sym->attr.use_assoc || sym->attr.used_in_submodule)
1909 2802 : && !intrinsic_array_parameter
1910 2793 : && sym->module
1911 201115 : && gfc_get_module_backend_decl (sym))
1912 : {
1913 2678 : if (sym->ts.type == BT_CLASS && sym->backend_decl)
1914 39 : GFC_DECL_CLASS(sym->backend_decl) = 1;
1915 2678 : return sym->backend_decl;
1916 : }
1917 :
1918 195644 : if (sym->attr.flavor == FL_PROCEDURE)
1919 : {
1920 : /* Catch functions. Only used for actual parameters,
1921 : procedure pointers and procptr initialization targets. */
1922 15300 : if (sym->attr.use_assoc
1923 14472 : || sym->attr.used_in_submodule
1924 14466 : || sym->attr.intrinsic
1925 13175 : || sym->attr.if_source != IFSRC_DECL)
1926 : {
1927 3107 : decl = gfc_get_extern_function_decl (sym);
1928 : }
1929 : else
1930 : {
1931 12193 : if (!sym->backend_decl)
1932 12193 : build_function_decl (sym, false);
1933 12193 : decl = sym->backend_decl;
1934 : }
1935 15300 : return decl;
1936 : }
1937 :
1938 180344 : if (sym->ts.type == BT_UNKNOWN)
1939 0 : gfc_fatal_error ("%s at %L has no default type", sym->name,
1940 : &sym->declared_at);
1941 :
1942 180344 : if (sym->attr.intrinsic)
1943 0 : gfc_internal_error ("intrinsic variable which isn't a procedure");
1944 :
1945 : /* Create string length decl first so that they can be used in the
1946 : type declaration. For associate names, the target character
1947 : length is used. Set 'length' to a constant so that if the
1948 : string length is a variable, it is not finished a second time. */
1949 180344 : if (sym->ts.type == BT_CHARACTER)
1950 : {
1951 15751 : if (sym->attr.associate_var
1952 1772 : && sym->ts.deferred
1953 340 : && sym->assoc && sym->assoc->target
1954 340 : && ((sym->assoc->target->expr_type == EXPR_VARIABLE
1955 230 : && sym->assoc->target->symtree->n.sym->ts.type != BT_CHARACTER)
1956 297 : || sym->assoc->target->expr_type != EXPR_VARIABLE))
1957 153 : sym->ts.u.cl->backend_decl = NULL_TREE;
1958 :
1959 15751 : if (sym->attr.associate_var
1960 1772 : && sym->ts.u.cl->backend_decl
1961 627 : && (VAR_P (sym->ts.u.cl->backend_decl)
1962 362 : || TREE_CODE (sym->ts.u.cl->backend_decl) == PARM_DECL))
1963 313 : length = gfc_index_zero_node;
1964 : else
1965 15438 : length = gfc_create_string_length (sym);
1966 : }
1967 :
1968 : /* Create the decl for the variable. */
1969 180344 : decl = build_decl (gfc_get_location (&sym->declared_at),
1970 : VAR_DECL, gfc_sym_identifier (sym), gfc_sym_type (sym));
1971 :
1972 : /* Symbols from modules should have their assembler names mangled.
1973 : This is done here rather than in gfc_finish_var_decl because it
1974 : is different for string length variables. */
1975 180344 : if (sym->module || sym->fn_result_spec)
1976 : {
1977 19354 : gfc_set_decl_assembler_name (decl, gfc_sym_mangled_identifier (sym));
1978 19354 : if (sym->attr.use_assoc && !intrinsic_array_parameter)
1979 112 : DECL_IGNORED_P (decl) = 1;
1980 : }
1981 :
1982 180344 : if (sym->attr.select_type_temporary)
1983 : {
1984 5654 : DECL_ARTIFICIAL (decl) = 1;
1985 5654 : DECL_IGNORED_P (decl) = 1;
1986 : }
1987 :
1988 180344 : if (sym->attr.dimension || sym->attr.codimension)
1989 : {
1990 : /* Create variables to hold the non-constant bits of array info. */
1991 48221 : gfc_build_qualified_array (decl, sym);
1992 :
1993 48221 : if (sym->attr.contiguous
1994 48152 : || ((sym->attr.allocatable || !sym->attr.dummy) && !sym->attr.pointer))
1995 43485 : GFC_DECL_PACKED_ARRAY (decl) = 1;
1996 : }
1997 :
1998 : /* Remember this variable for allocation/cleanup. */
1999 132573 : if (sym->attr.dimension || sym->attr.allocatable || sym->attr.codimension
2000 129822 : || (sym->ts.type == BT_CLASS &&
2001 4799 : (CLASS_DATA (sym)->attr.dimension
2002 2700 : || CLASS_DATA (sym)->attr.allocatable))
2003 126293 : || (sym->ts.type == BT_DERIVED
2004 30070 : && (sym->ts.u.derived->attr.alloc_comp
2005 23755 : || (!sym->attr.pointer && !sym->attr.artificial && !sym->attr.save
2006 5245 : && !sym->ns->proc_name->attr.is_main_program
2007 2134 : && gfc_is_finalizable (sym->ts.u.derived, NULL))))
2008 : /* This applies a derived type default initializer. */
2009 300073 : || (sym->ts.type == BT_DERIVED
2010 23506 : && sym->attr.save == SAVE_NONE
2011 6558 : && !sym->attr.data
2012 6509 : && !sym->attr.allocatable
2013 6509 : && (sym->value && !sym->ns->proc_name->attr.is_main_program)
2014 522 : && !(sym->attr.use_assoc && !intrinsic_array_parameter)))
2015 61137 : gfc_defer_symbol_init (sym);
2016 :
2017 : /* Set the vptr of unlimited polymorphic pointer variables so that
2018 : they do not cause segfaults in select type, when the selector
2019 : is an intrinsic type. Arrays are captured above. */
2020 180344 : if (sym->ts.type == BT_CLASS && UNLIMITED_POLY (sym)
2021 1114 : && CLASS_DATA (sym)->attr.class_pointer
2022 679 : && !CLASS_DATA (sym)->attr.dimension && !sym->attr.dummy
2023 303 : && sym->attr.flavor == FL_VARIABLE && !sym->assoc)
2024 172 : gfc_defer_symbol_init (sym);
2025 :
2026 180344 : if (sym->ts.type == BT_CHARACTER
2027 15751 : && sym->attr.allocatable
2028 1904 : && !sym->attr.dimension
2029 977 : && sym->ts.u.cl && sym->ts.u.cl->length
2030 198 : && sym->ts.u.cl->length->expr_type == EXPR_VARIABLE)
2031 27 : gfc_defer_symbol_init (sym);
2032 :
2033 : /* Associate names can use the hidden string length variable
2034 : of their associated target. */
2035 180344 : if (sym->ts.type == BT_CHARACTER
2036 15751 : && TREE_CODE (length) != INTEGER_CST
2037 3268 : && TREE_CODE (sym->ts.u.cl->backend_decl) != INDIRECT_REF)
2038 : {
2039 3208 : length = fold_convert (gfc_charlen_type_node, length);
2040 3208 : gfc_finish_var_decl (length, sym);
2041 3208 : if (!sym->attr.associate_var
2042 2183 : && VAR_P (length)
2043 2183 : && sym->value && sym->value->expr_type != EXPR_NULL
2044 6 : && sym->value->ts.u.cl->length)
2045 : {
2046 6 : gfc_expr *len = sym->value->ts.u.cl->length;
2047 6 : DECL_INITIAL (length) = gfc_conv_initializer (len, &len->ts,
2048 6 : TREE_TYPE (length),
2049 : false, false, false);
2050 6 : DECL_INITIAL (length) = fold_convert (gfc_charlen_type_node,
2051 : DECL_INITIAL (length));
2052 6 : }
2053 : else
2054 3202 : gcc_assert (!sym->value || sym->value->expr_type == EXPR_NULL);
2055 : }
2056 :
2057 180344 : gfc_finish_var_decl (decl, sym);
2058 :
2059 180344 : if (sym->ts.type == BT_CHARACTER)
2060 : /* Character variables need special handling. */
2061 15751 : gfc_allocate_lang_decl (decl);
2062 :
2063 180344 : if (sym->assoc && sym->attr.subref_array_pointer)
2064 392 : sym->attr.pointer = 1;
2065 :
2066 180344 : if (sym->attr.pointer && sym->attr.dimension
2067 4903 : && !sym->ts.deferred
2068 4614 : && !(sym->attr.select_type_temporary
2069 1088 : && !sym->attr.subref_array_pointer))
2070 3676 : GFC_DECL_PTR_ARRAY_P (decl) = 1;
2071 :
2072 180344 : if (sym->ts.type == BT_CLASS)
2073 4799 : GFC_DECL_CLASS(decl) = 1;
2074 :
2075 180344 : sym->backend_decl = decl;
2076 :
2077 180344 : if (sym->attr.assign)
2078 59 : gfc_add_assign_aux_vars (sym);
2079 :
2080 180344 : if (intrinsic_array_parameter)
2081 : {
2082 9 : TREE_STATIC (decl) = 1;
2083 9 : DECL_EXTERNAL (decl) = 0;
2084 : }
2085 :
2086 180344 : if (TREE_STATIC (decl)
2087 40601 : && !(sym->attr.use_assoc && !intrinsic_array_parameter)
2088 40601 : && (sym->attr.save || sym->ns->proc_name->attr.is_main_program
2089 1641 : || !gfc_can_put_var_on_stack (DECL_SIZE_UNIT (decl))
2090 1602 : || sym->attr.data || sym->ns->proc_name->attr.flavor == FL_MODULE)
2091 40431 : && (flag_coarray != GFC_FCOARRAY_LIB
2092 2128 : || !sym->attr.codimension || sym->attr.allocatable)
2093 220434 : && !(IS_PDT (sym) || IS_CLASS_PDT (sym)))
2094 : {
2095 : /* Add static initializer. For procedures, it is only needed if
2096 : SAVE is specified otherwise they need to be reinitialized
2097 : every time the procedure is entered. The TREE_STATIC is
2098 : in this case due to -fmax-stack-var-size=. */
2099 :
2100 39553 : DECL_INITIAL (decl) = gfc_conv_initializer (sym->value, &sym->ts,
2101 39553 : TREE_TYPE (decl), sym->attr.dimension
2102 39553 : || (sym->attr.codimension
2103 35 : && sym->attr.allocatable),
2104 39026 : sym->attr.pointer || sym->attr.allocatable
2105 38613 : || sym->ts.type == BT_CLASS,
2106 39553 : sym->attr.proc_pointer);
2107 : }
2108 :
2109 180344 : if (!TREE_STATIC (decl)
2110 139743 : && POINTER_TYPE_P (TREE_TYPE (decl))
2111 18338 : && !sym->attr.pointer
2112 12601 : && !sym->attr.allocatable
2113 10411 : && !sym->attr.proc_pointer
2114 190755 : && !sym->attr.select_type_temporary)
2115 7964 : DECL_BY_REFERENCE (decl) = 1;
2116 :
2117 180344 : if (sym->attr.associate_var)
2118 7220 : GFC_DECL_ASSOCIATE_VAR_P (decl) = 1;
2119 :
2120 : /* We only longer mark __def_init as read-only if it actually has an
2121 : initializer, it does not needlessly take up space in the
2122 : read-only section and can go into the BSS instead, see PR 84487.
2123 : Marking this as artificial means that OpenMP will treat this as
2124 : predetermined shared. */
2125 :
2126 180344 : bool def_init = startswith (sym->name, "__def_init");
2127 :
2128 180344 : if (sym->attr.vtab || def_init)
2129 : {
2130 19459 : DECL_ARTIFICIAL (decl) = 1;
2131 19459 : if (def_init && sym->value)
2132 3561 : TREE_READONLY (decl) = 1;
2133 : }
2134 :
2135 : /* Add attributes to variables. Functions are handled elsewhere. */
2136 180344 : add_attributes_to_decl (&decl, sym);
2137 :
2138 180344 : if (sym->ts.deferred && VAR_P (length))
2139 1828 : decl_attributes (&length, DECL_ATTRIBUTES (decl), 0);
2140 :
2141 180344 : return decl;
2142 : }
2143 :
2144 :
2145 : /* Substitute a temporary variable in place of the real one. */
2146 :
2147 : void
2148 5828 : gfc_shadow_sym (gfc_symbol * sym, tree decl, gfc_saved_var * save)
2149 : {
2150 5828 : save->attr = sym->attr;
2151 5828 : save->decl = sym->backend_decl;
2152 :
2153 5828 : gfc_clear_attr (&sym->attr);
2154 5828 : sym->attr.referenced = 1;
2155 5828 : sym->attr.flavor = FL_VARIABLE;
2156 :
2157 5828 : sym->backend_decl = decl;
2158 5828 : }
2159 :
2160 :
2161 : /* Restore the original variable. */
2162 :
2163 : void
2164 5828 : gfc_restore_sym (gfc_symbol * sym, gfc_saved_var * save)
2165 : {
2166 5828 : sym->attr = save->attr;
2167 5828 : sym->backend_decl = save->decl;
2168 5828 : }
2169 :
2170 :
2171 : /* Declare a procedure pointer. */
2172 :
2173 : static tree
2174 691 : get_proc_pointer_decl (gfc_symbol *sym)
2175 : {
2176 691 : tree decl;
2177 :
2178 691 : if (sym->module || sym->fn_result_spec)
2179 : {
2180 149 : const char *name;
2181 149 : gfc_gsymbol *gsym;
2182 :
2183 149 : name = mangled_identifier (sym);
2184 149 : gsym = gfc_find_gsymbol (gfc_gsym_root, name);
2185 149 : if (gsym != NULL)
2186 : {
2187 79 : gfc_symbol *s;
2188 79 : gfc_find_symbol (sym->name, gsym->ns, 0, &s);
2189 79 : if (s && s->backend_decl)
2190 79 : return s->backend_decl;
2191 : }
2192 : }
2193 :
2194 612 : decl = sym->backend_decl;
2195 612 : if (decl)
2196 : return decl;
2197 :
2198 612 : decl = build_decl (input_location,
2199 : VAR_DECL, get_identifier (sym->name),
2200 : build_pointer_type (gfc_get_function_type (sym)));
2201 :
2202 612 : if (sym->module)
2203 : {
2204 : /* Apply name mangling. */
2205 70 : gfc_set_decl_assembler_name (decl, gfc_sym_mangled_identifier (sym));
2206 70 : if (sym->attr.use_assoc)
2207 0 : DECL_IGNORED_P (decl) = 1;
2208 : }
2209 :
2210 612 : if ((sym->ns->proc_name
2211 612 : && sym->ns->proc_name->backend_decl == current_function_decl)
2212 76 : || sym->attr.contained)
2213 536 : gfc_add_decl_to_function (decl);
2214 76 : else if (sym->ns->proc_name->attr.flavor != FL_MODULE)
2215 6 : gfc_add_decl_to_parent_function (decl);
2216 :
2217 612 : sym->backend_decl = decl;
2218 :
2219 : /* If a variable is USE associated, it's always external. */
2220 612 : if (sym->attr.use_assoc)
2221 : {
2222 0 : DECL_EXTERNAL (decl) = 1;
2223 0 : TREE_PUBLIC (decl) = 1;
2224 : }
2225 612 : else if (sym->module && sym->ns->proc_name->attr.flavor == FL_MODULE)
2226 : {
2227 : /* This is the declaration of a module variable. */
2228 70 : TREE_PUBLIC (decl) = 1;
2229 70 : if (sym->attr.access == ACCESS_PRIVATE && !sym->attr.public_used)
2230 : {
2231 8 : DECL_VISIBILITY (decl) = VISIBILITY_HIDDEN;
2232 8 : DECL_VISIBILITY_SPECIFIED (decl) = true;
2233 : }
2234 70 : TREE_STATIC (decl) = 1;
2235 : }
2236 :
2237 612 : if (!sym->attr.use_assoc
2238 612 : && (sym->attr.save != SAVE_NONE || sym->attr.data
2239 491 : || (sym->value && sym->ns->proc_name->attr.is_main_program)))
2240 121 : TREE_STATIC (decl) = 1;
2241 :
2242 612 : if (TREE_STATIC (decl) && sym->value)
2243 : {
2244 : /* Add static initializer. */
2245 81 : DECL_INITIAL (decl) = gfc_conv_initializer (sym->value, &sym->ts,
2246 81 : TREE_TYPE (decl),
2247 81 : sym->attr.dimension,
2248 : false, true);
2249 : }
2250 :
2251 612 : add_attributes_to_decl (&decl, sym);
2252 :
2253 : /* Handle threadprivate procedure pointers. */
2254 612 : if (sym->attr.threadprivate
2255 612 : && (TREE_STATIC (decl) || DECL_EXTERNAL (decl)))
2256 12 : set_decl_tls_model (decl, decl_default_tls_model (decl));
2257 :
2258 612 : return decl;
2259 : }
2260 :
2261 : static void
2262 : create_function_arglist (gfc_symbol *sym);
2263 :
2264 : /* Get a basic decl for an external function. */
2265 :
2266 : tree
2267 36615 : gfc_get_extern_function_decl (gfc_symbol * sym, gfc_actual_arglist *actual_args,
2268 : const char *fnspec)
2269 : {
2270 36615 : tree type;
2271 36615 : tree fndecl;
2272 36615 : gfc_expr e;
2273 36615 : gfc_intrinsic_sym *isym;
2274 36615 : gfc_expr argexpr;
2275 36615 : char s[GFC_MAX_SYMBOL_LEN + 23]; /* "_gfortran_f2c_specific" and '\0'. */
2276 36615 : tree name;
2277 36615 : tree mangled_name;
2278 36615 : gfc_gsymbol *gsym;
2279 :
2280 36615 : if (sym->backend_decl)
2281 : return sym->backend_decl;
2282 :
2283 : /* We should never be creating external decls for alternate entry points.
2284 : The procedure may be an alternate entry point, but we don't want/need
2285 : to know that. */
2286 36615 : gcc_assert (!(sym->attr.entry || sym->attr.entry_master));
2287 :
2288 36615 : if (sym->attr.proc_pointer)
2289 691 : return get_proc_pointer_decl (sym);
2290 :
2291 : /* See if this is an external procedure from the same file. If so,
2292 : return the backend_decl. If we are looking at a BIND(C)
2293 : procedure and the symbol is not BIND(C), or vice versa, we
2294 : haven't found the right procedure. */
2295 :
2296 35924 : if (sym->binding_label)
2297 : {
2298 2567 : gsym = gfc_find_gsymbol (gfc_gsym_root, sym->binding_label);
2299 2567 : if (gsym && !gsym->bind_c)
2300 : gsym = NULL;
2301 : }
2302 33357 : else if (sym->module == NULL)
2303 : {
2304 19878 : gsym = gfc_find_gsymbol (gfc_gsym_root, sym->name);
2305 19878 : if (gsym && gsym->bind_c)
2306 : gsym = NULL;
2307 : }
2308 : else
2309 : {
2310 : /* Procedure from a different module. */
2311 : gsym = NULL;
2312 : }
2313 :
2314 10940 : if (gsym && !gsym->defined)
2315 : gsym = NULL;
2316 :
2317 : /* This can happen because of C binding. */
2318 7805 : if (gsym && gsym->ns && gsym->ns->proc_name
2319 7805 : && gsym->ns->proc_name->attr.flavor == FL_MODULE)
2320 557 : goto module_sym;
2321 :
2322 35367 : if ((!sym->attr.use_assoc || sym->attr.if_source != IFSRC_DECL)
2323 25624 : && !sym->backend_decl
2324 25624 : && gsym && gsym->ns
2325 7248 : && ((gsym->type == GSYM_SUBROUTINE) || (gsym->type == GSYM_FUNCTION))
2326 7248 : && (gsym->ns->proc_name->backend_decl || !sym->attr.intrinsic))
2327 : {
2328 7248 : if (!gsym->ns->proc_name->backend_decl)
2329 : {
2330 : /* By construction, the external function cannot be
2331 : a contained procedure. */
2332 774 : location_t old_loc = input_location;
2333 774 : push_cfun (NULL);
2334 :
2335 774 : gfc_create_function_decl (gsym->ns, true);
2336 :
2337 774 : pop_cfun ();
2338 774 : input_location = old_loc;
2339 : }
2340 :
2341 : /* If the namespace has entries, the proc_name is the
2342 : entry master. Find the entry and use its backend_decl.
2343 : otherwise, use the proc_name backend_decl. */
2344 7248 : if (gsym->ns->entries)
2345 : {
2346 : gfc_entry_list *entry = gsym->ns->entries;
2347 :
2348 1315 : for (; entry; entry = entry->next)
2349 : {
2350 1315 : if (strcmp (gsym->name, entry->sym->name) == 0)
2351 : {
2352 797 : sym->backend_decl = entry->sym->backend_decl;
2353 797 : break;
2354 : }
2355 : }
2356 : }
2357 : else
2358 6451 : sym->backend_decl = gsym->ns->proc_name->backend_decl;
2359 :
2360 7248 : if (sym->backend_decl)
2361 : {
2362 : /* Avoid problems of double deallocation of the backend declaration
2363 : later in gfc_trans_use_stmts; cf. PR 45087. */
2364 7248 : if (sym->attr.if_source != IFSRC_DECL && sym->attr.use_assoc)
2365 0 : sym->attr.use_assoc = 0;
2366 :
2367 7248 : return sym->backend_decl;
2368 : }
2369 : }
2370 :
2371 : /* See if this is a module procedure from the same file. If so,
2372 : return the backend_decl. */
2373 28119 : if (sym->module)
2374 14349 : gsym = gfc_find_gsymbol (gfc_gsym_root, sym->module);
2375 :
2376 28676 : module_sym:
2377 28676 : if (gsym && gsym->ns
2378 11532 : && (gsym->type == GSYM_MODULE
2379 557 : || (gsym->ns->proc_name && gsym->ns->proc_name->attr.flavor == FL_MODULE)))
2380 : {
2381 11532 : gfc_symbol *s;
2382 :
2383 11532 : s = NULL;
2384 11532 : if (gsym->type == GSYM_MODULE)
2385 10975 : gfc_find_symbol (sym->name, gsym->ns, 0, &s);
2386 : else
2387 557 : gfc_find_symbol (gsym->sym_name, gsym->ns, 0, &s);
2388 :
2389 11532 : if (s && s->backend_decl)
2390 : {
2391 9504 : if (sym->ts.type == BT_DERIVED || sym->ts.type == BT_CLASS)
2392 1156 : gfc_copy_dt_decls_ifequal (s->ts.u.derived, sym->ts.u.derived,
2393 : true);
2394 8348 : else if (sym->ts.type == BT_CHARACTER)
2395 411 : sym->ts.u.cl->backend_decl = s->ts.u.cl->backend_decl;
2396 9504 : sym->backend_decl = s->backend_decl;
2397 9504 : return sym->backend_decl;
2398 : }
2399 : }
2400 :
2401 19172 : if (sym->attr.intrinsic)
2402 : {
2403 : /* Call the resolution function to get the actual name. This is
2404 : a nasty hack which relies on the resolution functions only looking
2405 : at the first argument. We pass NULL for the second argument
2406 : otherwise things like AINT get confused. */
2407 1292 : isym = gfc_find_function (sym->name);
2408 1292 : gcc_assert (isym->resolve.f0 != NULL);
2409 :
2410 1292 : memset (&e, 0, sizeof (e));
2411 1292 : e.expr_type = EXPR_FUNCTION;
2412 :
2413 1292 : memset (&argexpr, 0, sizeof (argexpr));
2414 1292 : gcc_assert (isym->formal);
2415 1292 : argexpr.ts = isym->formal->ts;
2416 :
2417 1292 : if (isym->formal->next == NULL)
2418 1045 : isym->resolve.f1 (&e, &argexpr);
2419 : else
2420 : {
2421 247 : if (isym->formal->next->next == NULL)
2422 231 : isym->resolve.f2 (&e, &argexpr, NULL);
2423 : else
2424 : {
2425 16 : if (isym->formal->next->next->next == NULL)
2426 0 : isym->resolve.f3 (&e, &argexpr, NULL, NULL);
2427 : else
2428 : {
2429 : /* All specific intrinsics take less than 5 arguments. */
2430 16 : gcc_assert (isym->formal->next->next->next->next == NULL);
2431 16 : isym->resolve.f4 (&e, &argexpr, NULL, NULL, NULL);
2432 : }
2433 : }
2434 : }
2435 :
2436 1292 : if (flag_f2c
2437 438 : && ((e.ts.type == BT_REAL && e.ts.kind == gfc_default_real_kind)
2438 300 : || e.ts.type == BT_COMPLEX))
2439 : {
2440 : /* Specific which needs a different implementation if f2c
2441 : calling conventions are used. */
2442 240 : sprintf (s, "_gfortran_f2c_specific%s", e.value.function.name);
2443 : }
2444 : else
2445 1052 : sprintf (s, "_gfortran_specific%s", e.value.function.name);
2446 :
2447 1292 : name = get_identifier (s);
2448 1292 : mangled_name = name;
2449 : }
2450 : else
2451 : {
2452 17880 : name = gfc_sym_identifier (sym);
2453 17880 : mangled_name = gfc_sym_mangled_function_id (sym);
2454 : }
2455 :
2456 19172 : type = gfc_get_function_type (sym, actual_args, fnspec);
2457 :
2458 19172 : fndecl = build_decl (gfc_get_location (&sym->declared_at),
2459 : FUNCTION_DECL, name, type);
2460 :
2461 : /* Initialize DECL_EXTERNAL and TREE_PUBLIC before calling decl_attributes;
2462 : TREE_PUBLIC specifies whether a function is globally addressable (i.e.
2463 : the opposite of declaring a function as static in C). */
2464 19172 : DECL_EXTERNAL (fndecl) = 1;
2465 19172 : TREE_PUBLIC (fndecl) = 1;
2466 :
2467 19172 : add_attributes_to_decl (&fndecl, sym);
2468 :
2469 19172 : gfc_set_decl_assembler_name (fndecl, mangled_name);
2470 :
2471 : /* Set the context of this decl. */
2472 19172 : if (0 && sym->ns && sym->ns->proc_name)
2473 : {
2474 : /* TODO: Add external decls to the appropriate scope. */
2475 : DECL_CONTEXT (fndecl) = sym->ns->proc_name->backend_decl;
2476 : }
2477 : else
2478 : {
2479 : /* Global declaration, e.g. intrinsic subroutine. */
2480 19172 : DECL_CONTEXT (fndecl) = NULL_TREE;
2481 : }
2482 :
2483 : /* Set attributes for PURE functions. A call to PURE function in the
2484 : Fortran 95 sense is both pure and without side effects in the C
2485 : sense. */
2486 19172 : if (sym->attr.pure || sym->attr.implicit_pure)
2487 : {
2488 2084 : if (sym->attr.function && !gfc_return_by_reference (sym))
2489 1854 : DECL_PURE_P (fndecl) = 1;
2490 : /* TODO: check if pure SUBROUTINEs don't have INTENT(OUT)
2491 : parameters and don't use alternate returns (is this
2492 : allowed?). In that case, calls to them are meaningless, and
2493 : can be optimized away. See also in build_function_decl(). */
2494 2084 : TREE_SIDE_EFFECTS (fndecl) = 0;
2495 : }
2496 :
2497 : /* Mark non-returning functions. */
2498 19172 : if (sym->attr.noreturn || sym->attr.ext_attr & (1 << EXT_ATTR_NORETURN))
2499 111 : TREE_THIS_VOLATILE(fndecl) = 1;
2500 :
2501 19172 : sym->backend_decl = fndecl;
2502 :
2503 19172 : if (DECL_CONTEXT (fndecl) == NULL_TREE)
2504 19172 : pushdecl_top_level (fndecl);
2505 :
2506 19172 : if (sym->formal_ns
2507 17070 : && sym->formal_ns->proc_name == sym)
2508 : {
2509 17070 : if (sym->formal_ns->omp_declare_simd)
2510 15 : gfc_trans_omp_declare_simd (sym->formal_ns);
2511 17070 : if (flag_openmp)
2512 : {
2513 : // We need DECL_ARGUMENTS to put attributes on, in case some arguments
2514 : // need adjustment
2515 1812 : create_function_arglist (sym->formal_ns->proc_name);
2516 1812 : gfc_trans_omp_declare_variant (sym->formal_ns, sym->ns);
2517 : }
2518 : }
2519 :
2520 19172 : return fndecl;
2521 : }
2522 :
2523 :
2524 : /* Create a declaration for a procedure. For external functions (in the C
2525 : sense) use gfc_get_extern_function_decl. HAS_ENTRIES is true if this is
2526 : a master function with alternate entry points. */
2527 :
2528 : static void
2529 97849 : build_function_decl (gfc_symbol * sym, bool global)
2530 : {
2531 97849 : tree fndecl, type;
2532 97849 : symbol_attribute attr;
2533 97849 : tree result_decl;
2534 97849 : gfc_formal_arglist *f;
2535 :
2536 195698 : bool module_procedure = sym->attr.module_procedure
2537 446 : && sym->ns
2538 446 : && sym->ns->proc_name
2539 98295 : && sym->ns->proc_name->attr.flavor == FL_MODULE;
2540 :
2541 97849 : gcc_assert (!sym->attr.external || module_procedure);
2542 :
2543 97849 : if (sym->backend_decl)
2544 12193 : return;
2545 :
2546 : /* Set the line and filename. sym->declared_at seems to point to the
2547 : last statement for subroutines, but it'll do for now. */
2548 85656 : input_location = gfc_get_location (&sym->declared_at);
2549 :
2550 : /* Allow only one nesting level. Allow public declarations. */
2551 85656 : gcc_assert (current_function_decl == NULL_TREE
2552 : || DECL_FILE_SCOPE_P (current_function_decl)
2553 : || (TREE_CODE (DECL_CONTEXT (current_function_decl))
2554 : == FUNCTION_DECL)
2555 : || (TREE_CODE (DECL_CONTEXT (current_function_decl))
2556 : == NAMESPACE_DECL));
2557 :
2558 85656 : type = gfc_get_function_type (sym);
2559 85656 : fndecl = build_decl (input_location,
2560 : FUNCTION_DECL, gfc_sym_identifier (sym), type);
2561 :
2562 85656 : attr = sym->attr;
2563 :
2564 : /* Initialize DECL_EXTERNAL and TREE_PUBLIC before calling decl_attributes;
2565 : TREE_PUBLIC specifies whether a function is globally addressable (i.e.
2566 : the opposite of declaring a function as static in C). */
2567 85656 : DECL_EXTERNAL (fndecl) = 0;
2568 :
2569 85656 : if (sym->attr.access == ACCESS_UNKNOWN && sym->module
2570 24412 : && (sym->ns->default_access == ACCESS_PRIVATE
2571 22464 : || (sym->ns->default_access == ACCESS_UNKNOWN
2572 22451 : && flag_module_private)))
2573 1948 : sym->attr.access = ACCESS_PRIVATE;
2574 :
2575 85656 : if (!current_function_decl
2576 62747 : && !sym->attr.entry_master && !sym->attr.is_main_program
2577 36028 : && (sym->attr.access != ACCESS_PRIVATE || sym->binding_label
2578 2138 : || sym->attr.public_used))
2579 35241 : TREE_PUBLIC (fndecl) = 1;
2580 :
2581 85656 : if (sym->attr.referenced || sym->attr.entry_master)
2582 39708 : TREE_USED (fndecl) = 1;
2583 :
2584 85656 : add_attributes_to_decl (&fndecl, sym);
2585 :
2586 : /* Figure out the return type of the declared function, and build a
2587 : RESULT_DECL for it. If this is a subroutine with alternate
2588 : returns, build a RESULT_DECL for it. */
2589 85656 : result_decl = NULL_TREE;
2590 : /* TODO: Shouldn't this just be TREE_TYPE (TREE_TYPE (fndecl)). */
2591 85656 : if (sym->attr.function)
2592 : {
2593 15905 : if (gfc_return_by_reference (sym))
2594 3087 : type = void_type_node;
2595 : else
2596 : {
2597 12818 : if (sym->result != sym)
2598 6268 : result_decl = gfc_sym_identifier (sym->result);
2599 :
2600 12818 : type = TREE_TYPE (TREE_TYPE (fndecl));
2601 : }
2602 : }
2603 : else
2604 : {
2605 : /* Look for alternate return placeholders. */
2606 69751 : int has_alternate_returns = 0;
2607 148349 : for (f = gfc_sym_get_dummy_args (sym); f; f = f->next)
2608 : {
2609 78667 : if (f->sym == NULL)
2610 : {
2611 : has_alternate_returns = 1;
2612 : break;
2613 : }
2614 : }
2615 :
2616 69751 : if (has_alternate_returns)
2617 69 : type = integer_type_node;
2618 : else
2619 69682 : type = void_type_node;
2620 : }
2621 :
2622 85656 : result_decl = build_decl (input_location,
2623 : RESULT_DECL, result_decl, type);
2624 85656 : DECL_ARTIFICIAL (result_decl) = 1;
2625 85656 : DECL_IGNORED_P (result_decl) = 1;
2626 85656 : DECL_CONTEXT (result_decl) = fndecl;
2627 85656 : DECL_RESULT (fndecl) = result_decl;
2628 :
2629 : /* Don't call layout_decl for a RESULT_DECL.
2630 : layout_decl (result_decl, 0); */
2631 :
2632 : /* TREE_STATIC means the function body is defined here. */
2633 85656 : TREE_STATIC (fndecl) = 1;
2634 :
2635 : /* Set attributes for PURE functions. A call to a PURE function in the
2636 : Fortran 95 sense is both pure and without side effects in the C
2637 : sense. */
2638 85656 : if (sym->attr.pure || sym->attr.implicit_pure)
2639 : {
2640 : /* TODO: check if a pure SUBROUTINE has no INTENT(OUT) arguments
2641 : including an alternate return. In that case it can also be
2642 : marked as PURE. See also in gfc_get_extern_function_decl(). */
2643 18845 : if (attr.function && !gfc_return_by_reference (sym))
2644 4501 : DECL_PURE_P (fndecl) = 1;
2645 18845 : TREE_SIDE_EFFECTS (fndecl) = 0;
2646 : }
2647 :
2648 : /* Mark noinline functions. */
2649 85656 : if (attr.ext_attr & (1 << EXT_ATTR_NOINLINE))
2650 1 : DECL_UNINLINABLE (fndecl) = 1;
2651 :
2652 : /* Mark noreturn functions. */
2653 85656 : if (attr.ext_attr & (1 << EXT_ATTR_NORETURN))
2654 8 : TREE_THIS_VOLATILE (fndecl) = 1;
2655 :
2656 : /* Mark weak functions. */
2657 85656 : if (attr.ext_attr & (1 << EXT_ATTR_WEAK))
2658 6 : declare_weak (fndecl);
2659 :
2660 : /* Layout the function declaration and put it in the binding level
2661 : of the current function. */
2662 :
2663 85656 : if (global)
2664 774 : pushdecl_top_level (fndecl);
2665 : else
2666 84882 : pushdecl (fndecl);
2667 :
2668 : /* Perform name mangling if this is a top level or module procedure. */
2669 85656 : if (current_function_decl == NULL_TREE)
2670 62747 : gfc_set_decl_assembler_name (fndecl, gfc_sym_mangled_function_id (sym));
2671 :
2672 85656 : sym->backend_decl = fndecl;
2673 : }
2674 :
2675 :
2676 : /* Create the DECL_ARGUMENTS for a procedure.
2677 : NOTE: The arguments added here must match the argument type created by
2678 : gfc_get_function_type (). */
2679 :
2680 : static void
2681 87468 : create_function_arglist (gfc_symbol * sym)
2682 : {
2683 87468 : tree fndecl;
2684 87468 : gfc_formal_arglist *f;
2685 87468 : tree typelist, hidden_typelist, optval_typelist;
2686 87468 : tree arglist, hidden_arglist, optval_arglist;
2687 87468 : tree type;
2688 87468 : tree parm;
2689 :
2690 87468 : fndecl = sym->backend_decl;
2691 :
2692 : /* Build formal argument list. Make sure that their TREE_CONTEXT is
2693 : the new FUNCTION_DECL node. */
2694 87468 : arglist = NULL_TREE;
2695 87468 : hidden_arglist = NULL_TREE;
2696 87468 : optval_arglist = NULL_TREE;
2697 87468 : typelist = TYPE_ARG_TYPES (TREE_TYPE (fndecl));
2698 :
2699 87468 : if (sym->attr.entry_master)
2700 : {
2701 634 : type = TREE_VALUE (typelist);
2702 634 : parm = build_decl (input_location,
2703 : PARM_DECL, get_identifier ("__entry"), type);
2704 :
2705 634 : DECL_CONTEXT (parm) = fndecl;
2706 634 : DECL_ARG_TYPE (parm) = type;
2707 634 : TREE_READONLY (parm) = 1;
2708 634 : gfc_finish_decl (parm);
2709 634 : DECL_ARTIFICIAL (parm) = 1;
2710 :
2711 634 : arglist = chainon (arglist, parm);
2712 634 : typelist = TREE_CHAIN (typelist);
2713 : }
2714 :
2715 87468 : if (gfc_return_by_reference (sym))
2716 : {
2717 3129 : tree type = TREE_VALUE (typelist), length = NULL;
2718 :
2719 3129 : if (sym->ts.type == BT_CHARACTER)
2720 : {
2721 : /* Length of character result. */
2722 1590 : tree len_type = TREE_VALUE (TREE_CHAIN (typelist));
2723 :
2724 1590 : length = build_decl (input_location,
2725 : PARM_DECL,
2726 : get_identifier (".__result"),
2727 : len_type);
2728 1590 : if (POINTER_TYPE_P (len_type))
2729 : {
2730 281 : sym->ts.u.cl->passed_length = length;
2731 281 : TREE_USED (length) = 1;
2732 : }
2733 1309 : else if (!sym->ts.u.cl->length)
2734 : {
2735 157 : sym->ts.u.cl->backend_decl = length;
2736 157 : TREE_USED (length) = 1;
2737 : }
2738 1590 : gcc_assert (TREE_CODE (length) == PARM_DECL);
2739 1590 : DECL_CONTEXT (length) = fndecl;
2740 1590 : DECL_ARG_TYPE (length) = len_type;
2741 1590 : TREE_READONLY (length) = 1;
2742 1590 : DECL_ARTIFICIAL (length) = 1;
2743 1590 : gfc_finish_decl (length);
2744 1590 : if (sym->ts.u.cl->backend_decl == NULL
2745 610 : || sym->ts.u.cl->backend_decl == length)
2746 : {
2747 1137 : gfc_symbol *arg;
2748 1137 : tree backend_decl;
2749 :
2750 1137 : if (sym->ts.u.cl->backend_decl == NULL)
2751 : {
2752 980 : tree len = build_decl (input_location,
2753 : VAR_DECL,
2754 : get_identifier ("..__result"),
2755 : gfc_charlen_type_node);
2756 980 : DECL_ARTIFICIAL (len) = 1;
2757 980 : TREE_USED (len) = 1;
2758 980 : sym->ts.u.cl->backend_decl = len;
2759 : }
2760 :
2761 : /* Make sure PARM_DECL type doesn't point to incomplete type. */
2762 1137 : arg = sym->result ? sym->result : sym;
2763 1137 : backend_decl = arg->backend_decl;
2764 : /* Temporary clear it, so that gfc_sym_type creates complete
2765 : type. */
2766 1137 : arg->backend_decl = NULL;
2767 1137 : type = gfc_sym_type (arg);
2768 1137 : arg->backend_decl = backend_decl;
2769 1137 : type = build_reference_type (type);
2770 : }
2771 : }
2772 :
2773 3129 : parm = build_decl (input_location,
2774 : PARM_DECL, get_identifier ("__result"), type);
2775 :
2776 3129 : DECL_CONTEXT (parm) = fndecl;
2777 3129 : DECL_ARG_TYPE (parm) = TREE_VALUE (typelist);
2778 3129 : TREE_READONLY (parm) = 1;
2779 3129 : DECL_ARTIFICIAL (parm) = 1;
2780 3129 : gfc_finish_decl (parm);
2781 :
2782 3129 : arglist = chainon (arglist, parm);
2783 3129 : typelist = TREE_CHAIN (typelist);
2784 :
2785 3129 : if (sym->ts.type == BT_CHARACTER)
2786 : {
2787 1590 : gfc_allocate_lang_decl (parm);
2788 1590 : arglist = chainon (arglist, length);
2789 1590 : typelist = TREE_CHAIN (typelist);
2790 : }
2791 : }
2792 :
2793 87468 : hidden_typelist = typelist;
2794 190743 : for (f = gfc_sym_get_dummy_args (sym); f; f = f->next)
2795 103275 : if (f->sym != NULL) /* Ignore alternate returns. */
2796 103176 : hidden_typelist = TREE_CHAIN (hidden_typelist);
2797 :
2798 : /* Advance hidden_typelist over optional+value argument presence flags. */
2799 87468 : optval_typelist = hidden_typelist;
2800 190743 : for (f = gfc_sym_get_dummy_args (sym); f; f = f->next)
2801 103275 : if (f->sym != NULL
2802 103176 : && f->sym->attr.optional && f->sym->attr.value
2803 512 : && !f->sym->attr.dimension && f->sym->ts.type != BT_CLASS)
2804 512 : hidden_typelist = TREE_CHAIN (hidden_typelist);
2805 :
2806 190743 : for (f = gfc_sym_get_dummy_args (sym); f; f = f->next)
2807 : {
2808 103275 : char name[GFC_MAX_SYMBOL_LEN + 2];
2809 :
2810 : /* Ignore alternate returns. */
2811 103275 : if (f->sym == NULL)
2812 99 : continue;
2813 :
2814 103176 : type = TREE_VALUE (typelist);
2815 :
2816 103176 : if (f->sym->ts.type == BT_CHARACTER
2817 9552 : && (!sym->attr.is_bind_c || sym->attr.entry_master))
2818 : {
2819 8230 : tree len_type = TREE_VALUE (hidden_typelist);
2820 8230 : tree length = NULL_TREE;
2821 8230 : if (!f->sym->ts.deferred)
2822 7363 : gcc_assert (len_type == gfc_charlen_type_node);
2823 : else
2824 867 : gcc_assert (POINTER_TYPE_P (len_type));
2825 :
2826 8230 : strcpy (&name[1], f->sym->name);
2827 8230 : name[0] = '_';
2828 8230 : length = build_decl (input_location,
2829 : PARM_DECL, get_identifier (name), len_type);
2830 :
2831 8230 : hidden_arglist = chainon (hidden_arglist, length);
2832 8230 : DECL_CONTEXT (length) = fndecl;
2833 8230 : DECL_ARTIFICIAL (length) = 1;
2834 8230 : DECL_ARG_TYPE (length) = len_type;
2835 8230 : TREE_READONLY (length) = 1;
2836 8230 : gfc_finish_decl (length);
2837 :
2838 : /* Marking the length DECL_HIDDEN_STRING_LENGTH will lead
2839 : to tail calls being disabled. Only do that if we
2840 : potentially have broken callers. */
2841 8230 : if (flag_tail_call_workaround
2842 8230 : && f->sym->ts.u.cl
2843 7710 : && f->sym->ts.u.cl->length
2844 2616 : && f->sym->ts.u.cl->length->expr_type == EXPR_CONSTANT
2845 2351 : && (flag_tail_call_workaround == 2
2846 2351 : || f->sym->ns->implicit_interface_calls))
2847 84 : DECL_HIDDEN_STRING_LENGTH (length) = 1;
2848 :
2849 : /* Remember the passed value. */
2850 8230 : if (!f->sym->ts.u.cl || f->sym->ts.u.cl->passed_length)
2851 : {
2852 : /* This can happen if the same type is used for multiple
2853 : arguments. We need to copy cl as otherwise
2854 : cl->passed_length gets overwritten. */
2855 622 : f->sym->ts.u.cl = gfc_new_charlen (f->sym->ns, f->sym->ts.u.cl);
2856 : }
2857 8230 : f->sym->ts.u.cl->passed_length = length;
2858 :
2859 : /* Use the passed value for assumed length variables. */
2860 8230 : if (!f->sym->ts.u.cl->length)
2861 : {
2862 5614 : TREE_USED (length) = 1;
2863 5614 : gcc_assert (!f->sym->ts.u.cl->backend_decl);
2864 5614 : f->sym->ts.u.cl->backend_decl = length;
2865 : }
2866 :
2867 8230 : hidden_typelist = TREE_CHAIN (hidden_typelist);
2868 :
2869 8230 : if (f->sym->ts.u.cl->backend_decl == NULL
2870 7932 : || f->sym->ts.u.cl->backend_decl == length)
2871 : {
2872 5912 : if (POINTER_TYPE_P (len_type))
2873 767 : f->sym->ts.u.cl->backend_decl
2874 767 : = build_fold_indirect_ref_loc (input_location, length);
2875 5145 : else if (f->sym->ts.u.cl->backend_decl == NULL)
2876 298 : gfc_create_string_length (f->sym);
2877 :
2878 : /* Make sure PARM_DECL type doesn't point to incomplete type. */
2879 5912 : if (f->sym->attr.flavor == FL_PROCEDURE)
2880 14 : type = build_pointer_type (gfc_get_function_type (f->sym));
2881 : else
2882 5898 : type = gfc_sym_type (f->sym);
2883 : }
2884 : }
2885 : /* For scalar intrinsic types or derived types, VALUE passes the value,
2886 : hence, the optional status cannot be transferred via a NULL pointer.
2887 : Thus, we will use a hidden argument in that case. */
2888 103176 : if (f->sym->attr.optional && f->sym->attr.value
2889 512 : && !f->sym->attr.dimension && f->sym->ts.type != BT_CLASS)
2890 : {
2891 512 : tree tmp;
2892 512 : strcpy (&name[1], f->sym->name);
2893 512 : name[0] = '.';
2894 512 : tmp = build_decl (input_location,
2895 : PARM_DECL, get_identifier (name),
2896 : boolean_type_node);
2897 :
2898 512 : optval_arglist = chainon (optval_arglist, tmp);
2899 512 : DECL_CONTEXT (tmp) = fndecl;
2900 512 : DECL_ARTIFICIAL (tmp) = 1;
2901 512 : DECL_ARG_TYPE (tmp) = boolean_type_node;
2902 512 : TREE_READONLY (tmp) = 1;
2903 512 : gfc_finish_decl (tmp);
2904 :
2905 : /* The presence flag must be boolean. */
2906 512 : gcc_assert (TREE_VALUE (optval_typelist) == boolean_type_node);
2907 512 : optval_typelist = TREE_CHAIN (optval_typelist);
2908 : }
2909 :
2910 : /* For non-constant length array arguments, make sure they use
2911 : a different type node from TYPE_ARG_TYPES type. */
2912 103176 : if (f->sym->attr.dimension
2913 22786 : && type == TREE_VALUE (typelist)
2914 21474 : && TREE_CODE (type) == POINTER_TYPE
2915 9802 : && GFC_ARRAY_TYPE_P (type)
2916 7954 : && f->sym->as->type != AS_ASSUMED_SIZE
2917 109320 : && ! COMPLETE_TYPE_P (TREE_TYPE (type)))
2918 : {
2919 2614 : if (f->sym->attr.flavor == FL_PROCEDURE)
2920 0 : type = build_pointer_type (gfc_get_function_type (f->sym));
2921 : else
2922 2614 : type = gfc_sym_type (f->sym);
2923 : }
2924 :
2925 103176 : if (f->sym->attr.proc_pointer)
2926 128 : type = build_pointer_type (type);
2927 :
2928 103176 : if (f->sym->attr.volatile_)
2929 3 : type = build_qualified_type (type, TYPE_QUAL_VOLATILE);
2930 :
2931 : /* Build the argument declaration. For C descriptors, we use a
2932 : '_'-prefixed name for the parm_decl and inside the proc the
2933 : sym->name. */
2934 103176 : tree parm_name;
2935 103176 : if (sym->attr.is_bind_c && is_CFI_desc (f->sym, NULL))
2936 : {
2937 1819 : strcpy (&name[1], f->sym->name);
2938 1819 : name[0] = '_';
2939 1819 : parm_name = get_identifier (name);
2940 : }
2941 : else
2942 101357 : parm_name = gfc_sym_identifier (f->sym);
2943 103176 : parm = build_decl (input_location, PARM_DECL, parm_name, type);
2944 :
2945 103176 : if (f->sym->attr.volatile_)
2946 : {
2947 3 : TREE_THIS_VOLATILE (parm) = 1;
2948 3 : TREE_SIDE_EFFECTS (parm) = 1;
2949 : }
2950 :
2951 : /* Fill in arg stuff. */
2952 103176 : DECL_CONTEXT (parm) = fndecl;
2953 103176 : DECL_ARG_TYPE (parm) = TREE_VALUE (typelist);
2954 : /* All implementation args except for VALUE are read-only. */
2955 103176 : if (!f->sym->attr.value)
2956 94311 : TREE_READONLY (parm) = 1;
2957 103176 : if (POINTER_TYPE_P (type)
2958 94989 : && (!f->sym->attr.proc_pointer
2959 94861 : && f->sym->attr.flavor != FL_PROCEDURE))
2960 94085 : DECL_BY_REFERENCE (parm) = 1;
2961 103176 : if (f->sym->attr.optional)
2962 : {
2963 6095 : gfc_allocate_lang_decl (parm);
2964 6095 : GFC_DECL_OPTIONAL_ARGUMENT (parm) = 1;
2965 : }
2966 :
2967 103176 : gfc_finish_decl (parm);
2968 103176 : gfc_finish_decl_attrs (parm, &f->sym->attr);
2969 :
2970 103176 : f->sym->backend_decl = parm;
2971 :
2972 : /* Coarrays which are descriptorless or assumed-shape pass with
2973 : -fcoarray=lib the token and the offset as hidden arguments. */
2974 103176 : if (flag_coarray == GFC_FCOARRAY_LIB
2975 6899 : && ((f->sym->ts.type != BT_CLASS && f->sym->attr.codimension
2976 1526 : && !f->sym->attr.allocatable)
2977 5395 : || (f->sym->ts.type == BT_CLASS
2978 27 : && CLASS_DATA (f->sym)->attr.codimension
2979 22 : && !CLASS_DATA (f->sym)->attr.allocatable)))
2980 : {
2981 1522 : tree caf_type;
2982 1522 : tree token;
2983 1522 : tree offset;
2984 :
2985 1522 : gcc_assert (f->sym->backend_decl != NULL_TREE
2986 : && !sym->attr.is_bind_c);
2987 1522 : caf_type = f->sym->ts.type == BT_CLASS
2988 1522 : ? TREE_TYPE (CLASS_DATA (f->sym)->backend_decl)
2989 1504 : : TREE_TYPE (f->sym->backend_decl);
2990 :
2991 1522 : token = build_decl (input_location, PARM_DECL,
2992 : create_tmp_var_name ("caf_token"),
2993 : build_qualified_type (pvoid_type_node,
2994 : TYPE_QUAL_RESTRICT));
2995 1522 : if ((f->sym->ts.type != BT_CLASS
2996 1504 : && f->sym->as->type != AS_DEFERRED)
2997 18 : || (f->sym->ts.type == BT_CLASS
2998 18 : && CLASS_DATA (f->sym)->as->type != AS_DEFERRED))
2999 : {
3000 1522 : gcc_assert (DECL_LANG_SPECIFIC (f->sym->backend_decl) == NULL
3001 : || GFC_DECL_TOKEN (f->sym->backend_decl) == NULL_TREE);
3002 1522 : if (DECL_LANG_SPECIFIC (f->sym->backend_decl) == NULL)
3003 1517 : gfc_allocate_lang_decl (f->sym->backend_decl);
3004 1522 : GFC_DECL_TOKEN (f->sym->backend_decl) = token;
3005 : }
3006 : else
3007 : {
3008 0 : gcc_assert (GFC_TYPE_ARRAY_CAF_TOKEN (caf_type) == NULL_TREE);
3009 0 : GFC_TYPE_ARRAY_CAF_TOKEN (caf_type) = token;
3010 : }
3011 :
3012 1522 : DECL_CONTEXT (token) = fndecl;
3013 1522 : DECL_ARTIFICIAL (token) = 1;
3014 1522 : DECL_ARG_TYPE (token) = TREE_VALUE (typelist);
3015 1522 : TREE_READONLY (token) = 1;
3016 1522 : hidden_arglist = chainon (hidden_arglist, token);
3017 1522 : hidden_typelist = TREE_CHAIN (hidden_typelist);
3018 1522 : gfc_finish_decl (token);
3019 :
3020 1522 : offset = build_decl (input_location, PARM_DECL,
3021 : create_tmp_var_name ("caf_offset"),
3022 : gfc_array_index_type);
3023 :
3024 1522 : if ((f->sym->ts.type != BT_CLASS
3025 1504 : && f->sym->as->type != AS_DEFERRED)
3026 18 : || (f->sym->ts.type == BT_CLASS
3027 18 : && CLASS_DATA (f->sym)->as->type != AS_DEFERRED))
3028 : {
3029 1522 : gcc_assert (GFC_DECL_CAF_OFFSET (f->sym->backend_decl)
3030 : == NULL_TREE);
3031 1522 : GFC_DECL_CAF_OFFSET (f->sym->backend_decl) = offset;
3032 : }
3033 : else
3034 : {
3035 0 : gcc_assert (GFC_TYPE_ARRAY_CAF_OFFSET (caf_type) == NULL_TREE);
3036 0 : GFC_TYPE_ARRAY_CAF_OFFSET (caf_type) = offset;
3037 : }
3038 1522 : DECL_CONTEXT (offset) = fndecl;
3039 1522 : DECL_ARTIFICIAL (offset) = 1;
3040 1522 : DECL_ARG_TYPE (offset) = TREE_VALUE (typelist);
3041 1522 : TREE_READONLY (offset) = 1;
3042 1522 : hidden_arglist = chainon (hidden_arglist, offset);
3043 1522 : hidden_typelist = TREE_CHAIN (hidden_typelist);
3044 1522 : gfc_finish_decl (offset);
3045 : }
3046 :
3047 103176 : arglist = chainon (arglist, parm);
3048 103176 : typelist = TREE_CHAIN (typelist);
3049 : }
3050 :
3051 : /* Add hidden present status for optional+value arguments. */
3052 87468 : arglist = chainon (arglist, optval_arglist);
3053 :
3054 : /* Add the hidden string length parameters, unless the procedure
3055 : is bind(C). */
3056 87468 : if (!sym->attr.is_bind_c)
3057 85350 : arglist = chainon (arglist, hidden_arglist);
3058 :
3059 174936 : gcc_assert (hidden_typelist == NULL_TREE
3060 : || TREE_VALUE (hidden_typelist) == void_type_node);
3061 87468 : DECL_ARGUMENTS (fndecl) = arglist;
3062 87468 : }
3063 :
3064 : /* Do the setup necessary before generating the body of a function. */
3065 :
3066 : static void
3067 85656 : trans_function_start (gfc_symbol * sym)
3068 : {
3069 85656 : tree fndecl;
3070 :
3071 85656 : fndecl = sym->backend_decl;
3072 :
3073 : /* Let GCC know the current scope is this function. */
3074 85656 : current_function_decl = fndecl;
3075 :
3076 : /* Let the world know what we're about to do. */
3077 85656 : announce_function (fndecl);
3078 :
3079 85656 : if (DECL_FILE_SCOPE_P (fndecl))
3080 : {
3081 : /* Create RTL for function declaration. */
3082 37290 : rest_of_decl_compilation (fndecl, 1, 0);
3083 : }
3084 :
3085 : /* Create RTL for function definition. */
3086 85656 : make_decl_rtl (fndecl);
3087 :
3088 85656 : allocate_struct_function (fndecl, false);
3089 :
3090 : /* function.cc requires a push at the start of the function. */
3091 85656 : pushlevel ();
3092 85656 : }
3093 :
3094 : /* Create thunks for alternate entry points. */
3095 :
3096 : static void
3097 634 : build_entry_thunks (gfc_namespace * ns, bool global)
3098 : {
3099 634 : gfc_formal_arglist *formal;
3100 634 : gfc_formal_arglist *thunk_formal;
3101 634 : gfc_entry_list *el;
3102 634 : gfc_symbol *thunk_sym;
3103 634 : stmtblock_t body;
3104 634 : tree thunk_fndecl;
3105 634 : tree tmp;
3106 634 : location_t old_loc;
3107 :
3108 : /* This should always be a toplevel function. */
3109 634 : gcc_assert (current_function_decl == NULL_TREE);
3110 :
3111 634 : old_loc = input_location;
3112 1979 : for (el = ns->entries; el; el = el->next)
3113 : {
3114 1345 : vec<tree, va_gc> *args = NULL;
3115 1345 : vec<tree, va_gc> *string_args = NULL;
3116 :
3117 1345 : thunk_sym = el->sym;
3118 :
3119 1345 : build_function_decl (thunk_sym, global);
3120 1345 : create_function_arglist (thunk_sym);
3121 :
3122 1345 : trans_function_start (thunk_sym);
3123 :
3124 1345 : thunk_fndecl = thunk_sym->backend_decl;
3125 :
3126 1345 : gfc_init_block (&body);
3127 :
3128 : /* Pass extra parameter identifying this entry point. */
3129 1345 : tmp = build_int_cst (gfc_array_index_type, el->id);
3130 1345 : vec_safe_push (args, tmp);
3131 :
3132 1345 : if (thunk_sym->attr.function)
3133 : {
3134 1134 : if (gfc_return_by_reference (ns->proc_name))
3135 : {
3136 252 : tree ref = DECL_ARGUMENTS (current_function_decl);
3137 252 : vec_safe_push (args, ref);
3138 252 : if (ns->proc_name->ts.type == BT_CHARACTER)
3139 136 : vec_safe_push (args, DECL_CHAIN (ref));
3140 : }
3141 : }
3142 :
3143 2893 : for (formal = gfc_sym_get_dummy_args (ns->proc_name); formal;
3144 1548 : formal = formal->next)
3145 : {
3146 : /* Ignore alternate returns. */
3147 1548 : if (formal->sym == NULL)
3148 36 : continue;
3149 :
3150 : /* We don't have a clever way of identifying arguments, so resort to
3151 : a brute-force search. */
3152 1512 : for (thunk_formal = gfc_sym_get_dummy_args (thunk_sym);
3153 2667 : thunk_formal;
3154 1155 : thunk_formal = thunk_formal->next)
3155 : {
3156 2236 : if (thunk_formal->sym == formal->sym)
3157 : break;
3158 : }
3159 :
3160 1512 : if (thunk_formal)
3161 : {
3162 : /* Pass the argument. */
3163 1081 : DECL_ARTIFICIAL (thunk_formal->sym->backend_decl) = 1;
3164 1081 : vec_safe_push (args, thunk_formal->sym->backend_decl);
3165 1081 : if (formal->sym->ts.type == BT_CHARACTER)
3166 : {
3167 94 : tmp = thunk_formal->sym->ts.u.cl->backend_decl;
3168 94 : vec_safe_push (string_args, tmp);
3169 : }
3170 : }
3171 : else
3172 : {
3173 : /* Pass NULL for a missing argument. */
3174 431 : vec_safe_push (args, null_pointer_node);
3175 431 : if (formal->sym->ts.type == BT_CHARACTER)
3176 : {
3177 38 : tmp = build_int_cst (gfc_charlen_type_node, 0);
3178 38 : vec_safe_push (string_args, tmp);
3179 : }
3180 : }
3181 : }
3182 :
3183 : /* Call the master function. */
3184 1345 : vec_safe_splice (args, string_args);
3185 1345 : tmp = ns->proc_name->backend_decl;
3186 1345 : tmp = build_call_expr_loc_vec (input_location, tmp, args);
3187 1345 : if (ns->proc_name->attr.mixed_entry_master)
3188 : {
3189 214 : tree union_decl, field;
3190 214 : tree master_type = TREE_TYPE (ns->proc_name->backend_decl);
3191 :
3192 214 : union_decl = build_decl (input_location,
3193 : VAR_DECL, get_identifier ("__result"),
3194 214 : TREE_TYPE (master_type));
3195 214 : DECL_ARTIFICIAL (union_decl) = 1;
3196 214 : DECL_EXTERNAL (union_decl) = 0;
3197 214 : TREE_PUBLIC (union_decl) = 0;
3198 214 : TREE_USED (union_decl) = 1;
3199 214 : layout_decl (union_decl, 0);
3200 214 : pushdecl (union_decl);
3201 :
3202 214 : DECL_CONTEXT (union_decl) = current_function_decl;
3203 214 : tmp = fold_build2_loc (input_location, MODIFY_EXPR,
3204 214 : TREE_TYPE (union_decl), union_decl, tmp);
3205 214 : gfc_add_expr_to_block (&body, tmp);
3206 :
3207 214 : for (field = TYPE_FIELDS (TREE_TYPE (union_decl));
3208 348 : field; field = DECL_CHAIN (field))
3209 348 : if (strcmp (IDENTIFIER_POINTER (DECL_NAME (field)),
3210 348 : thunk_sym->result->name) == 0)
3211 : break;
3212 0 : gcc_assert (field != NULL_TREE);
3213 214 : tmp = fold_build3_loc (input_location, COMPONENT_REF,
3214 214 : TREE_TYPE (field), union_decl, field,
3215 : NULL_TREE);
3216 214 : tmp = fold_build2_loc (input_location, MODIFY_EXPR,
3217 214 : TREE_TYPE (DECL_RESULT (current_function_decl)),
3218 214 : DECL_RESULT (current_function_decl), tmp);
3219 214 : tmp = build1_v (RETURN_EXPR, tmp);
3220 : }
3221 1131 : else if (TREE_TYPE (DECL_RESULT (current_function_decl))
3222 1131 : != void_type_node)
3223 : {
3224 693 : tmp = fold_build2_loc (input_location, MODIFY_EXPR,
3225 693 : TREE_TYPE (DECL_RESULT (current_function_decl)),
3226 693 : DECL_RESULT (current_function_decl), tmp);
3227 693 : tmp = build1_v (RETURN_EXPR, tmp);
3228 : }
3229 1345 : gfc_add_expr_to_block (&body, tmp);
3230 :
3231 : /* Finish off this function and send it for code generation. */
3232 1345 : DECL_SAVED_TREE (thunk_fndecl) = gfc_finish_block (&body);
3233 1345 : tmp = getdecls ();
3234 1345 : poplevel (1, 1);
3235 1345 : BLOCK_SUPERCONTEXT (DECL_INITIAL (thunk_fndecl)) = thunk_fndecl;
3236 2690 : DECL_SAVED_TREE (thunk_fndecl)
3237 2690 : = fold_build3_loc (DECL_SOURCE_LOCATION (thunk_fndecl), BIND_EXPR,
3238 1345 : void_type_node, tmp, DECL_SAVED_TREE (thunk_fndecl),
3239 1345 : DECL_INITIAL (thunk_fndecl));
3240 :
3241 : /* Output the GENERIC tree. */
3242 1345 : dump_function (TDI_original, thunk_fndecl);
3243 :
3244 : /* Store the end of the function, so that we get good line number
3245 : info for the epilogue. */
3246 1345 : cfun->function_end_locus = input_location;
3247 :
3248 : /* We're leaving the context of this function, so zap cfun.
3249 : It's still in DECL_STRUCT_FUNCTION, and we'll restore it in
3250 : tree_rest_of_compilation. */
3251 1345 : set_cfun (NULL);
3252 :
3253 1345 : current_function_decl = NULL_TREE;
3254 :
3255 1345 : cgraph_node::finalize_function (thunk_fndecl, true);
3256 :
3257 : /* We share the symbols in the formal argument list with other entry
3258 : points and the master function. Clear them so that they are
3259 : recreated for each function. */
3260 2471 : for (formal = gfc_sym_get_dummy_args (thunk_sym); formal;
3261 1126 : formal = formal->next)
3262 1126 : if (formal->sym != NULL) /* Ignore alternate returns. */
3263 : {
3264 1081 : formal->sym->backend_decl = NULL_TREE;
3265 1081 : if (formal->sym->ts.type == BT_CHARACTER)
3266 94 : formal->sym->ts.u.cl->backend_decl = NULL_TREE;
3267 : }
3268 :
3269 1345 : if (thunk_sym->attr.function)
3270 : {
3271 1134 : if (thunk_sym->ts.type == BT_CHARACTER)
3272 138 : thunk_sym->ts.u.cl->backend_decl = NULL_TREE;
3273 1134 : if (thunk_sym->result->ts.type == BT_CHARACTER)
3274 138 : thunk_sym->result->ts.u.cl->backend_decl = NULL_TREE;
3275 : }
3276 : }
3277 :
3278 634 : input_location = old_loc;
3279 634 : }
3280 :
3281 :
3282 : /* Create a decl for a function, and create any thunks for alternate entry
3283 : points. If global is true, generate the function in the global binding
3284 : level, otherwise in the current binding level (which can be global). */
3285 :
3286 : void
3287 84311 : gfc_create_function_decl (gfc_namespace * ns, bool global)
3288 : {
3289 : /* Create a declaration for the master function. */
3290 84311 : build_function_decl (ns->proc_name, global);
3291 :
3292 : /* Compile the entry thunks. */
3293 84311 : if (ns->entries)
3294 634 : build_entry_thunks (ns, global);
3295 :
3296 : /* Now create the read argument list. */
3297 84311 : create_function_arglist (ns->proc_name);
3298 :
3299 84311 : if (ns->omp_declare_simd)
3300 94 : gfc_trans_omp_declare_simd (ns);
3301 :
3302 : /* Handle 'declare variant' directives. The applicable directives might
3303 : be declared in a parent namespace, so this needs to be called even if
3304 : there are no local directives. */
3305 84311 : if (flag_openmp)
3306 8653 : gfc_trans_omp_declare_variant (ns, NULL);
3307 84311 : }
3308 :
3309 : /* Return the decl used to hold the function return value. If
3310 : parent_flag is set, the context is the parent_scope. */
3311 :
3312 : tree
3313 12791 : gfc_get_fake_result_decl (gfc_symbol * sym, int parent_flag)
3314 : {
3315 12791 : tree decl;
3316 12791 : tree length;
3317 12791 : tree this_fake_result_decl;
3318 12791 : tree this_function_decl;
3319 :
3320 12791 : char name[GFC_MAX_SYMBOL_LEN + 10];
3321 :
3322 12791 : if (parent_flag)
3323 : {
3324 167 : this_fake_result_decl = parent_fake_result_decl;
3325 167 : this_function_decl = DECL_CONTEXT (current_function_decl);
3326 : }
3327 : else
3328 : {
3329 12624 : this_fake_result_decl = current_fake_result_decl;
3330 12624 : this_function_decl = current_function_decl;
3331 : }
3332 :
3333 12791 : if (sym
3334 12741 : && sym->ns->proc_name->backend_decl == this_function_decl
3335 4743 : && sym->ns->proc_name->attr.entry_master
3336 2272 : && sym != sym->ns->proc_name)
3337 : {
3338 1420 : tree t = NULL, var;
3339 1420 : if (this_fake_result_decl != NULL)
3340 1392 : for (t = TREE_CHAIN (this_fake_result_decl); t; t = TREE_CHAIN (t))
3341 1041 : if (strcmp (IDENTIFIER_POINTER (TREE_PURPOSE (t)), sym->name) == 0)
3342 : break;
3343 928 : if (t)
3344 577 : return TREE_VALUE (t);
3345 843 : decl = gfc_get_fake_result_decl (sym->ns->proc_name, parent_flag);
3346 :
3347 843 : if (parent_flag)
3348 14 : this_fake_result_decl = parent_fake_result_decl;
3349 : else
3350 829 : this_fake_result_decl = current_fake_result_decl;
3351 :
3352 843 : if (decl && sym->ns->proc_name->attr.mixed_entry_master)
3353 : {
3354 214 : tree field;
3355 :
3356 214 : for (field = TYPE_FIELDS (TREE_TYPE (decl));
3357 348 : field; field = DECL_CHAIN (field))
3358 348 : if (strcmp (IDENTIFIER_POINTER (DECL_NAME (field)),
3359 : sym->name) == 0)
3360 : break;
3361 :
3362 214 : gcc_assert (field != NULL_TREE);
3363 214 : decl = fold_build3_loc (input_location, COMPONENT_REF,
3364 214 : TREE_TYPE (field), decl, field, NULL_TREE);
3365 : }
3366 :
3367 843 : var = create_tmp_var_raw (TREE_TYPE (decl), sym->name);
3368 843 : if (parent_flag)
3369 14 : gfc_add_decl_to_parent_function (var);
3370 : else
3371 829 : gfc_add_decl_to_function (var);
3372 :
3373 843 : SET_DECL_VALUE_EXPR (var, decl);
3374 843 : DECL_HAS_VALUE_EXPR_P (var) = 1;
3375 843 : GFC_DECL_RESULT (var) = 1;
3376 :
3377 843 : TREE_CHAIN (this_fake_result_decl)
3378 843 : = tree_cons (get_identifier (sym->name), var,
3379 843 : TREE_CHAIN (this_fake_result_decl));
3380 843 : return var;
3381 : }
3382 :
3383 11371 : if (this_fake_result_decl != NULL_TREE)
3384 3966 : return TREE_VALUE (this_fake_result_decl);
3385 :
3386 : /* Only when gfc_get_fake_result_decl is called by gfc_trans_return,
3387 : sym is NULL. */
3388 7405 : if (!sym)
3389 : return NULL_TREE;
3390 :
3391 7405 : if (sym->ts.type == BT_CHARACTER)
3392 : {
3393 821 : if (sym->ts.u.cl->backend_decl == NULL_TREE)
3394 0 : length = gfc_create_string_length (sym);
3395 : else
3396 : length = sym->ts.u.cl->backend_decl;
3397 821 : if (VAR_P (length) && DECL_CONTEXT (length) == NULL_TREE)
3398 490 : gfc_add_decl_to_function (length);
3399 : }
3400 :
3401 7405 : if (gfc_return_by_reference (sym))
3402 : {
3403 1582 : decl = DECL_ARGUMENTS (this_function_decl);
3404 :
3405 1582 : if (sym->ns->proc_name->backend_decl == this_function_decl
3406 381 : && sym->ns->proc_name->attr.entry_master)
3407 61 : decl = DECL_CHAIN (decl);
3408 :
3409 1582 : TREE_USED (decl) = 1;
3410 1582 : if (sym->as)
3411 807 : decl = gfc_build_dummy_array_decl (sym, decl);
3412 : }
3413 : else
3414 : {
3415 11646 : sprintf (name, "__result_%.20s",
3416 5823 : IDENTIFIER_POINTER (DECL_NAME (this_function_decl)));
3417 :
3418 5823 : if (!sym->attr.mixed_entry_master && sym->attr.function)
3419 5682 : decl = build_decl (DECL_SOURCE_LOCATION (this_function_decl),
3420 : VAR_DECL, get_identifier (name),
3421 : gfc_sym_type (sym));
3422 : else
3423 141 : decl = build_decl (DECL_SOURCE_LOCATION (this_function_decl),
3424 : VAR_DECL, get_identifier (name),
3425 141 : TREE_TYPE (TREE_TYPE (this_function_decl)));
3426 5823 : DECL_ARTIFICIAL (decl) = 1;
3427 5823 : DECL_EXTERNAL (decl) = 0;
3428 5823 : TREE_PUBLIC (decl) = 0;
3429 5823 : TREE_USED (decl) = 1;
3430 5823 : GFC_DECL_RESULT (decl) = 1;
3431 5823 : TREE_ADDRESSABLE (decl) = 1;
3432 :
3433 5823 : layout_decl (decl, 0);
3434 5823 : gfc_finish_decl_attrs (decl, &sym->attr);
3435 :
3436 5823 : if (parent_flag)
3437 27 : gfc_add_decl_to_parent_function (decl);
3438 : else
3439 5796 : gfc_add_decl_to_function (decl);
3440 : }
3441 :
3442 7405 : if (parent_flag)
3443 39 : parent_fake_result_decl = build_tree_list (NULL, decl);
3444 : else
3445 7366 : current_fake_result_decl = build_tree_list (NULL, decl);
3446 :
3447 7405 : if (sym->attr.assign)
3448 1 : DECL_LANG_SPECIFIC (decl) = DECL_LANG_SPECIFIC (sym->backend_decl);
3449 :
3450 : return decl;
3451 : }
3452 :
3453 :
3454 : /* Builds a function decl. The remaining parameters are the types of the
3455 : function arguments. Negative nargs indicates a varargs function. */
3456 :
3457 : static tree
3458 4706256 : build_library_function_decl_1 (tree name, const char *spec,
3459 : tree rettype, int nargs, va_list p)
3460 : {
3461 4706256 : vec<tree, va_gc> *arglist;
3462 4706256 : tree fntype;
3463 4706256 : tree fndecl;
3464 4706256 : int n;
3465 :
3466 : /* Library functions must be declared with global scope. */
3467 4706256 : gcc_assert (current_function_decl == NULL_TREE);
3468 :
3469 : /* Create a list of the argument types. */
3470 4706256 : vec_alloc (arglist, abs (nargs));
3471 18722070 : for (n = abs (nargs); n > 0; n--)
3472 : {
3473 14015814 : tree argtype = va_arg (p, tree);
3474 14015814 : arglist->quick_push (argtype);
3475 : }
3476 :
3477 : /* Build the function type and decl. */
3478 4706256 : if (nargs >= 0)
3479 13488776 : fntype = build_function_type_vec (rettype, arglist);
3480 : else
3481 564498 : fntype = build_varargs_function_type_vec (rettype, arglist);
3482 4706256 : if (spec)
3483 : {
3484 2746425 : tree attr_args = build_tree_list (NULL_TREE,
3485 2746425 : build_string (strlen (spec), spec));
3486 2746425 : tree attrs = tree_cons (get_identifier ("fn spec"),
3487 2746425 : attr_args, TYPE_ATTRIBUTES (fntype));
3488 2746425 : fntype = build_type_attribute_variant (fntype, attrs);
3489 : }
3490 4706256 : fndecl = build_decl (input_location,
3491 : FUNCTION_DECL, name, fntype);
3492 :
3493 : /* Mark this decl as external. */
3494 4706256 : DECL_EXTERNAL (fndecl) = 1;
3495 4706256 : TREE_PUBLIC (fndecl) = 1;
3496 :
3497 4706256 : pushdecl (fndecl);
3498 :
3499 4706256 : rest_of_decl_compilation (fndecl, 1, 0);
3500 :
3501 4706256 : return fndecl;
3502 : }
3503 :
3504 : /* Builds a function decl. The remaining parameters are the types of the
3505 : function arguments. Negative nargs indicates a varargs function. */
3506 :
3507 : tree
3508 1959831 : gfc_build_library_function_decl (tree name, tree rettype, int nargs, ...)
3509 : {
3510 1959831 : tree ret;
3511 1959831 : va_list args;
3512 1959831 : va_start (args, nargs);
3513 1959831 : ret = build_library_function_decl_1 (name, NULL, rettype, nargs, args);
3514 1959831 : va_end (args);
3515 1959831 : return ret;
3516 : }
3517 :
3518 : /* Builds a function decl. The remaining parameters are the types of the
3519 : function arguments. Negative nargs indicates a varargs function.
3520 : The SPEC parameter specifies the function argument and return type
3521 : specification according to the fnspec function type attribute. */
3522 :
3523 : tree
3524 2746425 : gfc_build_library_function_decl_with_spec (tree name, const char *spec,
3525 : tree rettype, int nargs, ...)
3526 : {
3527 2746425 : tree ret;
3528 2746425 : va_list args;
3529 2746425 : va_start (args, nargs);
3530 2746425 : if (flag_checking)
3531 : {
3532 2746425 : attr_fnspec fnspec (spec, strlen (spec));
3533 2746425 : fnspec.verify ();
3534 : }
3535 2746425 : ret = build_library_function_decl_1 (name, spec, rettype, nargs, args);
3536 2746425 : va_end (args);
3537 2746425 : return ret;
3538 : }
3539 :
3540 : static void
3541 31361 : gfc_build_intrinsic_function_decls (void)
3542 : {
3543 31361 : tree gfc_int4_type_node = gfc_get_int_type (4);
3544 31361 : tree gfc_pint4_type_node = build_pointer_type (gfc_int4_type_node);
3545 31361 : tree gfc_int8_type_node = gfc_get_int_type (8);
3546 31361 : tree gfc_pint8_type_node = build_pointer_type (gfc_int8_type_node);
3547 31361 : tree gfc_int16_type_node = gfc_get_int_type (16);
3548 31361 : tree gfc_logical4_type_node = gfc_get_logical_type (4);
3549 31361 : tree pchar1_type_node = gfc_get_pchar_type (1);
3550 31361 : tree pchar4_type_node = gfc_get_pchar_type (4);
3551 :
3552 : /* String functions. */
3553 31361 : gfor_fndecl_compare_string = gfc_build_library_function_decl_with_spec (
3554 : get_identifier (PREFIX("compare_string")), ". . R . R ",
3555 : integer_type_node, 4, gfc_charlen_type_node, pchar1_type_node,
3556 : gfc_charlen_type_node, pchar1_type_node);
3557 31361 : DECL_PURE_P (gfor_fndecl_compare_string) = 1;
3558 31361 : TREE_NOTHROW (gfor_fndecl_compare_string) = 1;
3559 :
3560 31361 : gfor_fndecl_concat_string = gfc_build_library_function_decl_with_spec (
3561 : get_identifier (PREFIX("concat_string")), ". . W . R . R ",
3562 : void_type_node, 6, gfc_charlen_type_node, pchar1_type_node,
3563 : gfc_charlen_type_node, pchar1_type_node,
3564 : gfc_charlen_type_node, pchar1_type_node);
3565 31361 : TREE_NOTHROW (gfor_fndecl_concat_string) = 1;
3566 :
3567 31361 : gfor_fndecl_string_len_trim = gfc_build_library_function_decl_with_spec (
3568 : get_identifier (PREFIX("string_len_trim")), ". . R ",
3569 : gfc_charlen_type_node, 2, gfc_charlen_type_node, pchar1_type_node);
3570 31361 : DECL_PURE_P (gfor_fndecl_string_len_trim) = 1;
3571 31361 : TREE_NOTHROW (gfor_fndecl_string_len_trim) = 1;
3572 :
3573 31361 : gfor_fndecl_string_index = gfc_build_library_function_decl_with_spec (
3574 : get_identifier (PREFIX("string_index")), ". . R . R . ",
3575 : gfc_charlen_type_node, 5, gfc_charlen_type_node, pchar1_type_node,
3576 : gfc_charlen_type_node, pchar1_type_node, gfc_logical4_type_node);
3577 31361 : DECL_PURE_P (gfor_fndecl_string_index) = 1;
3578 31361 : TREE_NOTHROW (gfor_fndecl_string_index) = 1;
3579 :
3580 31361 : gfor_fndecl_string_scan = gfc_build_library_function_decl_with_spec (
3581 : get_identifier (PREFIX("string_scan")), ". . R . R . ",
3582 : gfc_charlen_type_node, 5, gfc_charlen_type_node, pchar1_type_node,
3583 : gfc_charlen_type_node, pchar1_type_node, gfc_logical4_type_node);
3584 31361 : DECL_PURE_P (gfor_fndecl_string_scan) = 1;
3585 31361 : TREE_NOTHROW (gfor_fndecl_string_scan) = 1;
3586 :
3587 31361 : gfor_fndecl_string_verify = gfc_build_library_function_decl_with_spec (
3588 : get_identifier (PREFIX("string_verify")), ". . R . R . ",
3589 : gfc_charlen_type_node, 5, gfc_charlen_type_node, pchar1_type_node,
3590 : gfc_charlen_type_node, pchar1_type_node, gfc_logical4_type_node);
3591 31361 : DECL_PURE_P (gfor_fndecl_string_verify) = 1;
3592 31361 : TREE_NOTHROW (gfor_fndecl_string_verify) = 1;
3593 :
3594 31361 : gfor_fndecl_string_trim = gfc_build_library_function_decl_with_spec (
3595 : get_identifier (PREFIX("string_trim")), ". W w . R ",
3596 : void_type_node, 4, build_pointer_type (gfc_charlen_type_node),
3597 : build_pointer_type (pchar1_type_node), gfc_charlen_type_node,
3598 : pchar1_type_node);
3599 :
3600 31361 : gfor_fndecl_string_minmax = gfc_build_library_function_decl_with_spec (
3601 : get_identifier (PREFIX("string_minmax")), ". W w . R ",
3602 : void_type_node, -4, build_pointer_type (gfc_charlen_type_node),
3603 : build_pointer_type (pchar1_type_node), integer_type_node,
3604 : integer_type_node);
3605 :
3606 31361 : gfor_fndecl_string_split = gfc_build_library_function_decl_with_spec (
3607 : get_identifier (PREFIX ("string_split")), ". . R . R . . ",
3608 : gfc_charlen_type_node, 6, gfc_charlen_type_node, pchar1_type_node,
3609 : gfc_charlen_type_node, pchar1_type_node, gfc_charlen_type_node,
3610 : gfc_logical4_type_node);
3611 :
3612 31361 : {
3613 31361 : tree copy_helper_ptr_type;
3614 31361 : tree copy_helper_fn_type;
3615 :
3616 31361 : copy_helper_fn_type = build_function_type_list (void_type_node,
3617 : pvoid_type_node,
3618 : pvoid_type_node,
3619 : NULL_TREE);
3620 31361 : copy_helper_ptr_type = build_pointer_type (copy_helper_fn_type);
3621 :
3622 31361 : gfor_fndecl_cfi_deep_copy_array
3623 31361 : = gfc_build_library_function_decl_with_spec (
3624 : get_identifier (PREFIX ("cfi_deep_copy_array")), ". R R . ",
3625 : void_type_node, 3, pvoid_type_node, pvoid_type_node,
3626 : copy_helper_ptr_type);
3627 : }
3628 :
3629 31361 : gfor_fndecl_adjustl = gfc_build_library_function_decl_with_spec (
3630 : get_identifier (PREFIX("adjustl")), ". W . R ",
3631 : void_type_node, 3, pchar1_type_node, gfc_charlen_type_node,
3632 : pchar1_type_node);
3633 31361 : TREE_NOTHROW (gfor_fndecl_adjustl) = 1;
3634 :
3635 31361 : gfor_fndecl_adjustr = gfc_build_library_function_decl_with_spec (
3636 : get_identifier (PREFIX("adjustr")), ". W . R ",
3637 : void_type_node, 3, pchar1_type_node, gfc_charlen_type_node,
3638 : pchar1_type_node);
3639 31361 : TREE_NOTHROW (gfor_fndecl_adjustr) = 1;
3640 :
3641 31361 : gfor_fndecl_select_string = gfc_build_library_function_decl_with_spec (
3642 : get_identifier (PREFIX("select_string")), ". R . R . ",
3643 : integer_type_node, 4, pvoid_type_node, integer_type_node,
3644 : pchar1_type_node, gfc_charlen_type_node);
3645 31361 : DECL_PURE_P (gfor_fndecl_select_string) = 1;
3646 31361 : TREE_NOTHROW (gfor_fndecl_select_string) = 1;
3647 :
3648 31361 : gfor_fndecl_compare_string_char4 = gfc_build_library_function_decl_with_spec (
3649 : get_identifier (PREFIX("compare_string_char4")), ". . R . R ",
3650 : integer_type_node, 4, gfc_charlen_type_node, pchar4_type_node,
3651 : gfc_charlen_type_node, pchar4_type_node);
3652 31361 : DECL_PURE_P (gfor_fndecl_compare_string_char4) = 1;
3653 31361 : TREE_NOTHROW (gfor_fndecl_compare_string_char4) = 1;
3654 :
3655 31361 : gfor_fndecl_concat_string_char4 = gfc_build_library_function_decl_with_spec (
3656 : get_identifier (PREFIX("concat_string_char4")), ". . W . R . R ",
3657 : void_type_node, 6, gfc_charlen_type_node, pchar4_type_node,
3658 : gfc_charlen_type_node, pchar4_type_node, gfc_charlen_type_node,
3659 : pchar4_type_node);
3660 31361 : TREE_NOTHROW (gfor_fndecl_concat_string_char4) = 1;
3661 :
3662 31361 : gfor_fndecl_string_len_trim_char4 = gfc_build_library_function_decl_with_spec (
3663 : get_identifier (PREFIX("string_len_trim_char4")), ". . R ",
3664 : gfc_charlen_type_node, 2, gfc_charlen_type_node, pchar4_type_node);
3665 31361 : DECL_PURE_P (gfor_fndecl_string_len_trim_char4) = 1;
3666 31361 : TREE_NOTHROW (gfor_fndecl_string_len_trim_char4) = 1;
3667 :
3668 31361 : gfor_fndecl_string_index_char4 = gfc_build_library_function_decl_with_spec (
3669 : get_identifier (PREFIX("string_index_char4")), ". . R . R . ",
3670 : gfc_charlen_type_node, 5, gfc_charlen_type_node, pchar4_type_node,
3671 : gfc_charlen_type_node, pchar4_type_node, gfc_logical4_type_node);
3672 31361 : DECL_PURE_P (gfor_fndecl_string_index_char4) = 1;
3673 31361 : TREE_NOTHROW (gfor_fndecl_string_index_char4) = 1;
3674 :
3675 31361 : gfor_fndecl_string_scan_char4 = gfc_build_library_function_decl_with_spec (
3676 : get_identifier (PREFIX("string_scan_char4")), ". . R . R . ",
3677 : gfc_charlen_type_node, 5, gfc_charlen_type_node, pchar4_type_node,
3678 : gfc_charlen_type_node, pchar4_type_node, gfc_logical4_type_node);
3679 31361 : DECL_PURE_P (gfor_fndecl_string_scan_char4) = 1;
3680 31361 : TREE_NOTHROW (gfor_fndecl_string_scan_char4) = 1;
3681 :
3682 31361 : gfor_fndecl_string_verify_char4 = gfc_build_library_function_decl_with_spec (
3683 : get_identifier (PREFIX("string_verify_char4")), ". . R . R . ",
3684 : gfc_charlen_type_node, 5, gfc_charlen_type_node, pchar4_type_node,
3685 : gfc_charlen_type_node, pchar4_type_node, gfc_logical4_type_node);
3686 31361 : DECL_PURE_P (gfor_fndecl_string_verify_char4) = 1;
3687 31361 : TREE_NOTHROW (gfor_fndecl_string_verify_char4) = 1;
3688 :
3689 31361 : gfor_fndecl_string_trim_char4 = gfc_build_library_function_decl_with_spec (
3690 : get_identifier (PREFIX("string_trim_char4")), ". W w . R ",
3691 : void_type_node, 4, build_pointer_type (gfc_charlen_type_node),
3692 : build_pointer_type (pchar4_type_node), gfc_charlen_type_node,
3693 : pchar4_type_node);
3694 :
3695 31361 : gfor_fndecl_string_minmax_char4 = gfc_build_library_function_decl_with_spec (
3696 : get_identifier (PREFIX("string_minmax_char4")), ". W w . R ",
3697 : void_type_node, -4, build_pointer_type (gfc_charlen_type_node),
3698 : build_pointer_type (pchar4_type_node), integer_type_node,
3699 : integer_type_node);
3700 :
3701 31361 : gfor_fndecl_string_split_char4 = gfc_build_library_function_decl_with_spec (
3702 : get_identifier (PREFIX ("string_split_char4")), ". . R . R . . ",
3703 : gfc_charlen_type_node, 6, gfc_charlen_type_node, pchar4_type_node,
3704 : gfc_charlen_type_node, pchar4_type_node, gfc_charlen_type_node,
3705 : gfc_logical4_type_node);
3706 :
3707 31361 : gfor_fndecl_adjustl_char4 = gfc_build_library_function_decl_with_spec (
3708 : get_identifier (PREFIX("adjustl_char4")), ". W . R ",
3709 : void_type_node, 3, pchar4_type_node, gfc_charlen_type_node,
3710 : pchar4_type_node);
3711 31361 : TREE_NOTHROW (gfor_fndecl_adjustl_char4) = 1;
3712 :
3713 31361 : gfor_fndecl_adjustr_char4 = gfc_build_library_function_decl_with_spec (
3714 : get_identifier (PREFIX("adjustr_char4")), ". W . R ",
3715 : void_type_node, 3, pchar4_type_node, gfc_charlen_type_node,
3716 : pchar4_type_node);
3717 31361 : TREE_NOTHROW (gfor_fndecl_adjustr_char4) = 1;
3718 :
3719 31361 : gfor_fndecl_select_string_char4 = gfc_build_library_function_decl_with_spec (
3720 : get_identifier (PREFIX("select_string_char4")), ". R . R . ",
3721 : integer_type_node, 4, pvoid_type_node, integer_type_node,
3722 : pvoid_type_node, gfc_charlen_type_node);
3723 31361 : DECL_PURE_P (gfor_fndecl_select_string_char4) = 1;
3724 31361 : TREE_NOTHROW (gfor_fndecl_select_string_char4) = 1;
3725 :
3726 :
3727 : /* Conversion between character kinds. */
3728 :
3729 31361 : gfor_fndecl_convert_char1_to_char4 = gfc_build_library_function_decl_with_spec (
3730 : get_identifier (PREFIX("convert_char1_to_char4")), ". w . R ",
3731 : void_type_node, 3, build_pointer_type (pchar4_type_node),
3732 : gfc_charlen_type_node, pchar1_type_node);
3733 :
3734 31361 : gfor_fndecl_convert_char4_to_char1 = gfc_build_library_function_decl_with_spec (
3735 : get_identifier (PREFIX("convert_char4_to_char1")), ". w . R ",
3736 : void_type_node, 3, build_pointer_type (pchar1_type_node),
3737 : gfc_charlen_type_node, pchar4_type_node);
3738 :
3739 : /* Misc. functions. */
3740 :
3741 31361 : gfor_fndecl_ttynam = gfc_build_library_function_decl_with_spec (
3742 : get_identifier (PREFIX("ttynam")), ". W . . ",
3743 : void_type_node, 3, pchar_type_node, gfc_charlen_type_node,
3744 : integer_type_node);
3745 :
3746 31361 : gfor_fndecl_fdate = gfc_build_library_function_decl_with_spec (
3747 : get_identifier (PREFIX("fdate")), ". W . ",
3748 : void_type_node, 2, pchar_type_node, gfc_charlen_type_node);
3749 :
3750 31361 : gfor_fndecl_ctime = gfc_build_library_function_decl_with_spec (
3751 : get_identifier (PREFIX("ctime")), ". W . . ",
3752 : void_type_node, 3, pchar_type_node, gfc_charlen_type_node,
3753 : gfc_int8_type_node);
3754 :
3755 31361 : gfor_fndecl_random_init = gfc_build_library_function_decl (
3756 : get_identifier (PREFIX("random_init")),
3757 : void_type_node, 3, gfc_logical4_type_node, gfc_logical4_type_node,
3758 : gfc_int4_type_node);
3759 :
3760 : // gfor_fndecl_caf_rand_init is defined in the lib-coarray section below.
3761 :
3762 31361 : gfor_fndecl_sc_kind = gfc_build_library_function_decl_with_spec (
3763 : get_identifier (PREFIX("selected_char_kind")), ". . R ",
3764 : gfc_int4_type_node, 2, gfc_charlen_type_node, pchar_type_node);
3765 31361 : DECL_PURE_P (gfor_fndecl_sc_kind) = 1;
3766 31361 : TREE_NOTHROW (gfor_fndecl_sc_kind) = 1;
3767 :
3768 31361 : gfor_fndecl_si_kind = gfc_build_library_function_decl_with_spec (
3769 : get_identifier (PREFIX("selected_int_kind")), ". R ",
3770 : gfc_int4_type_node, 1, pvoid_type_node);
3771 31361 : DECL_PURE_P (gfor_fndecl_si_kind) = 1;
3772 31361 : TREE_NOTHROW (gfor_fndecl_si_kind) = 1;
3773 :
3774 31361 : gfor_fndecl_sl_kind = gfc_build_library_function_decl_with_spec (
3775 : get_identifier (PREFIX("selected_logical_kind")), ". R ",
3776 : gfc_int4_type_node, 1, pvoid_type_node);
3777 31361 : DECL_PURE_P (gfor_fndecl_sl_kind) = 1;
3778 31361 : TREE_NOTHROW (gfor_fndecl_sl_kind) = 1;
3779 :
3780 31361 : gfor_fndecl_sr_kind = gfc_build_library_function_decl_with_spec (
3781 : get_identifier (PREFIX("selected_real_kind2008")), ". R R ",
3782 : gfc_int4_type_node, 3, pvoid_type_node, pvoid_type_node,
3783 : pvoid_type_node);
3784 31361 : DECL_PURE_P (gfor_fndecl_sr_kind) = 1;
3785 31361 : TREE_NOTHROW (gfor_fndecl_sr_kind) = 1;
3786 :
3787 31361 : gfor_fndecl_system_clock4 = gfc_build_library_function_decl (
3788 : get_identifier (PREFIX("system_clock_4")),
3789 : void_type_node, 3, gfc_pint4_type_node, gfc_pint4_type_node,
3790 : gfc_pint4_type_node);
3791 :
3792 31361 : gfor_fndecl_system_clock8 = gfc_build_library_function_decl (
3793 : get_identifier (PREFIX("system_clock_8")),
3794 : void_type_node, 3, gfc_pint8_type_node, gfc_pint8_type_node,
3795 : gfc_pint8_type_node);
3796 :
3797 : /* Power functions. */
3798 31361 : {
3799 31361 : tree ctype, rtype, itype, jtype;
3800 31361 : int rkind, ikind, jkind;
3801 : #define NIKINDS 3
3802 : #define NRKINDS 4
3803 : #define NUKINDS 5
3804 31361 : static const int ikinds[NIKINDS] = {4, 8, 16};
3805 31361 : static const int rkinds[NRKINDS] = {4, 8, 10, 16};
3806 31361 : static const int ukinds[NUKINDS] = {1, 2, 4, 8, 16};
3807 31361 : char name[PREFIX_LEN + 12]; /* _gfortran_pow_?n_?n */
3808 :
3809 125444 : for (ikind=0; ikind < NIKINDS; ikind++)
3810 : {
3811 94083 : itype = gfc_get_int_type (ikinds[ikind]);
3812 :
3813 470415 : for (jkind=0; jkind < NIKINDS; jkind++)
3814 : {
3815 282249 : jtype = gfc_get_int_type (ikinds[jkind]);
3816 282249 : if (itype && jtype)
3817 : {
3818 280214 : sprintf (name, PREFIX("pow_i%d_i%d"), ikinds[ikind],
3819 : ikinds[jkind]);
3820 560428 : gfor_fndecl_math_powi[jkind][ikind].integer =
3821 280214 : gfc_build_library_function_decl (get_identifier (name),
3822 : jtype, 2, jtype, itype);
3823 280214 : TREE_READONLY (gfor_fndecl_math_powi[jkind][ikind].integer) = 1;
3824 280214 : TREE_NOTHROW (gfor_fndecl_math_powi[jkind][ikind].integer) = 1;
3825 : }
3826 : }
3827 :
3828 470415 : for (rkind = 0; rkind < NRKINDS; rkind ++)
3829 : {
3830 376332 : rtype = gfc_get_real_type (rkinds[rkind]);
3831 376332 : if (rtype && itype)
3832 : {
3833 374704 : sprintf (name, PREFIX("pow_r%d_i%d"),
3834 : gfc_type_abi_kind (BT_REAL, rkinds[rkind]),
3835 : ikinds[ikind]);
3836 749408 : gfor_fndecl_math_powi[rkind][ikind].real =
3837 374704 : gfc_build_library_function_decl (get_identifier (name),
3838 : rtype, 2, rtype, itype);
3839 374704 : TREE_READONLY (gfor_fndecl_math_powi[rkind][ikind].real) = 1;
3840 374704 : TREE_NOTHROW (gfor_fndecl_math_powi[rkind][ikind].real) = 1;
3841 : }
3842 :
3843 376332 : ctype = gfc_get_complex_type (rkinds[rkind]);
3844 376332 : if (ctype && itype)
3845 : {
3846 374704 : sprintf (name, PREFIX("pow_c%d_i%d"),
3847 : gfc_type_abi_kind (BT_REAL, rkinds[rkind]),
3848 : ikinds[ikind]);
3849 749408 : gfor_fndecl_math_powi[rkind][ikind].cmplx =
3850 374704 : gfc_build_library_function_decl (get_identifier (name),
3851 : ctype, 2,ctype, itype);
3852 374704 : TREE_READONLY (gfor_fndecl_math_powi[rkind][ikind].cmplx) = 1;
3853 374704 : TREE_NOTHROW (gfor_fndecl_math_powi[rkind][ikind].cmplx) = 1;
3854 : }
3855 : }
3856 : /* For unsigned types, we have every power for every type. */
3857 564498 : for (int base = 0; base < NUKINDS; base++)
3858 : {
3859 470415 : tree base_type = gfc_get_unsigned_type (ukinds[base]);
3860 2822490 : for (int expon = 0; expon < NUKINDS; expon++)
3861 : {
3862 2352075 : tree expon_type = gfc_get_unsigned_type (ukinds[base]);
3863 2352075 : if (base_type && expon_type)
3864 : {
3865 18375 : sprintf (name, PREFIX("pow_m%d_m%d"), ukinds[base],
3866 18375 : ukinds[expon]);
3867 36750 : gfor_fndecl_unsigned_pow_list [base][expon] =
3868 18375 : gfc_build_library_function_decl (get_identifier (name),
3869 : base_type, 2, base_type, expon_type);
3870 18375 : TREE_READONLY (gfor_fndecl_unsigned_pow_list[base][expon]) = 1;
3871 18375 : TREE_NOTHROW (gfor_fndecl_unsigned_pow_list[base][expon]) = 1;
3872 : }
3873 : }
3874 : }
3875 : }
3876 : #undef NIKINDS
3877 : #undef NRKINDS
3878 : #undef NUKINDS
3879 : }
3880 :
3881 31361 : gfor_fndecl_math_ishftc4 = gfc_build_library_function_decl (
3882 : get_identifier (PREFIX("ishftc4")),
3883 : gfc_int4_type_node, 3, gfc_int4_type_node, gfc_int4_type_node,
3884 : gfc_int4_type_node);
3885 31361 : TREE_READONLY (gfor_fndecl_math_ishftc4) = 1;
3886 31361 : TREE_NOTHROW (gfor_fndecl_math_ishftc4) = 1;
3887 :
3888 31361 : gfor_fndecl_math_ishftc8 = gfc_build_library_function_decl (
3889 : get_identifier (PREFIX("ishftc8")),
3890 : gfc_int8_type_node, 3, gfc_int8_type_node, gfc_int4_type_node,
3891 : gfc_int4_type_node);
3892 31361 : TREE_READONLY (gfor_fndecl_math_ishftc8) = 1;
3893 31361 : TREE_NOTHROW (gfor_fndecl_math_ishftc8) = 1;
3894 :
3895 31361 : if (gfc_int16_type_node)
3896 : {
3897 30954 : gfor_fndecl_math_ishftc16 = gfc_build_library_function_decl (
3898 : get_identifier (PREFIX("ishftc16")),
3899 : gfc_int16_type_node, 3, gfc_int16_type_node, gfc_int4_type_node,
3900 : gfc_int4_type_node);
3901 30954 : TREE_READONLY (gfor_fndecl_math_ishftc16) = 1;
3902 30954 : TREE_NOTHROW (gfor_fndecl_math_ishftc16) = 1;
3903 : }
3904 :
3905 : /* BLAS functions. */
3906 31361 : {
3907 31361 : tree pint = build_pointer_type (integer_type_node);
3908 31361 : tree ps = build_pointer_type (gfc_get_real_type (gfc_default_real_kind));
3909 31361 : tree pd = build_pointer_type (gfc_get_real_type (gfc_default_double_kind));
3910 31361 : tree pc = build_pointer_type (gfc_get_complex_type (gfc_default_real_kind));
3911 31361 : tree pz = build_pointer_type
3912 31361 : (gfc_get_complex_type (gfc_default_double_kind));
3913 :
3914 62722 : gfor_fndecl_sgemm = gfc_build_library_function_decl
3915 32136 : (get_identifier
3916 : (flag_underscoring ? "sgemm_" : "sgemm"),
3917 : void_type_node, 15, pchar_type_node,
3918 : pchar_type_node, pint, pint, pint, ps, ps, pint,
3919 : ps, pint, ps, ps, pint, integer_type_node,
3920 : integer_type_node);
3921 62722 : gfor_fndecl_dgemm = gfc_build_library_function_decl
3922 32136 : (get_identifier
3923 : (flag_underscoring ? "dgemm_" : "dgemm"),
3924 : void_type_node, 15, pchar_type_node,
3925 : pchar_type_node, pint, pint, pint, pd, pd, pint,
3926 : pd, pint, pd, pd, pint, integer_type_node,
3927 : integer_type_node);
3928 62722 : gfor_fndecl_cgemm = gfc_build_library_function_decl
3929 32136 : (get_identifier
3930 : (flag_underscoring ? "cgemm_" : "cgemm"),
3931 : void_type_node, 15, pchar_type_node,
3932 : pchar_type_node, pint, pint, pint, pc, pc, pint,
3933 : pc, pint, pc, pc, pint, integer_type_node,
3934 : integer_type_node);
3935 62722 : gfor_fndecl_zgemm = gfc_build_library_function_decl
3936 32136 : (get_identifier
3937 : (flag_underscoring ? "zgemm_" : "zgemm"),
3938 : void_type_node, 15, pchar_type_node,
3939 : pchar_type_node, pint, pint, pint, pz, pz, pint,
3940 : pz, pint, pz, pz, pint, integer_type_node,
3941 : integer_type_node);
3942 : }
3943 :
3944 : /* Other functions. */
3945 31361 : gfor_fndecl_iargc = gfc_build_library_function_decl (
3946 : get_identifier (PREFIX ("iargc")), gfc_int4_type_node, 0);
3947 31361 : TREE_NOTHROW (gfor_fndecl_iargc) = 1;
3948 :
3949 31361 : gfor_fndecl_kill_sub = gfc_build_library_function_decl (
3950 : get_identifier (PREFIX ("kill_sub")), void_type_node,
3951 : 3, gfc_int4_type_node, gfc_int4_type_node, gfc_pint4_type_node);
3952 :
3953 31361 : gfor_fndecl_kill = gfc_build_library_function_decl (
3954 : get_identifier (PREFIX ("kill")), gfc_int4_type_node,
3955 : 2, gfc_int4_type_node, gfc_int4_type_node);
3956 :
3957 31361 : gfor_fndecl_is_contiguous0 = gfc_build_library_function_decl_with_spec (
3958 : get_identifier (PREFIX("is_contiguous0")), ". R ",
3959 : gfc_int4_type_node, 1, pvoid_type_node);
3960 31361 : DECL_PURE_P (gfor_fndecl_is_contiguous0) = 1;
3961 31361 : TREE_NOTHROW (gfor_fndecl_is_contiguous0) = 1;
3962 :
3963 31361 : gfor_fndecl_fstat_i4_sub = gfc_build_library_function_decl (
3964 : get_identifier (PREFIX ("fstat_i4_sub")), void_type_node,
3965 : 3, gfc_pint4_type_node, gfc_pint4_type_node, gfc_pint4_type_node);
3966 :
3967 31361 : gfor_fndecl_fstat_i8_sub = gfc_build_library_function_decl (
3968 : get_identifier (PREFIX ("fstat_i8_sub")), void_type_node,
3969 : 3, gfc_pint8_type_node, gfc_pint8_type_node, gfc_pint8_type_node);
3970 :
3971 31361 : gfor_fndecl_lstat_i4_sub = gfc_build_library_function_decl (
3972 : get_identifier (PREFIX ("lstat_i4_sub")), void_type_node,
3973 : 4, pchar_type_node, gfc_pint4_type_node, gfc_pint4_type_node,
3974 : gfc_charlen_type_node);
3975 :
3976 31361 : gfor_fndecl_lstat_i8_sub = gfc_build_library_function_decl (
3977 : get_identifier (PREFIX ("lstat_i8_sub")), void_type_node,
3978 : 4, pchar_type_node, gfc_pint8_type_node, gfc_pint8_type_node,
3979 : gfc_charlen_type_node);
3980 :
3981 31361 : gfor_fndecl_stat_i4_sub = gfc_build_library_function_decl (
3982 : get_identifier (PREFIX ("stat_i4_sub")), void_type_node,
3983 : 4, pchar_type_node, gfc_pint4_type_node, gfc_pint4_type_node,
3984 : gfc_charlen_type_node);
3985 :
3986 31361 : gfor_fndecl_stat_i8_sub = gfc_build_library_function_decl (
3987 : get_identifier (PREFIX ("stat_i8_sub")), void_type_node,
3988 : 4, pchar_type_node, gfc_pint8_type_node, gfc_pint8_type_node,
3989 : gfc_charlen_type_node);
3990 31361 : }
3991 :
3992 :
3993 : /* Make prototypes for runtime library functions. */
3994 :
3995 : void
3996 31361 : gfc_build_builtin_function_decls (void)
3997 : {
3998 31361 : tree gfc_int8_type_node = gfc_get_int_type (8);
3999 :
4000 31361 : gfor_fndecl_stop_numeric = gfc_build_library_function_decl (
4001 : get_identifier (PREFIX("stop_numeric")),
4002 : void_type_node, 2, integer_type_node, boolean_type_node);
4003 : /* STOP doesn't return. */
4004 31361 : TREE_THIS_VOLATILE (gfor_fndecl_stop_numeric) = 1;
4005 :
4006 31361 : gfor_fndecl_stop_string = gfc_build_library_function_decl_with_spec (
4007 : get_identifier (PREFIX("stop_string")), ". R . . ",
4008 : void_type_node, 3, pchar_type_node, size_type_node,
4009 : boolean_type_node);
4010 : /* STOP doesn't return. */
4011 31361 : TREE_THIS_VOLATILE (gfor_fndecl_stop_string) = 1;
4012 :
4013 31361 : gfor_fndecl_error_stop_numeric = gfc_build_library_function_decl (
4014 : get_identifier (PREFIX("error_stop_numeric")),
4015 : void_type_node, 2, integer_type_node, boolean_type_node);
4016 : /* ERROR STOP doesn't return. */
4017 31361 : TREE_THIS_VOLATILE (gfor_fndecl_error_stop_numeric) = 1;
4018 :
4019 31361 : gfor_fndecl_error_stop_string = gfc_build_library_function_decl_with_spec (
4020 : get_identifier (PREFIX("error_stop_string")), ". R . . ",
4021 : void_type_node, 3, pchar_type_node, size_type_node,
4022 : boolean_type_node);
4023 : /* ERROR STOP doesn't return. */
4024 31361 : TREE_THIS_VOLATILE (gfor_fndecl_error_stop_string) = 1;
4025 :
4026 31361 : gfor_fndecl_pause_numeric = gfc_build_library_function_decl (
4027 : get_identifier (PREFIX("pause_numeric")),
4028 : void_type_node, 1, gfc_int8_type_node);
4029 :
4030 31361 : gfor_fndecl_pause_string = gfc_build_library_function_decl_with_spec (
4031 : get_identifier (PREFIX("pause_string")), ". R . ",
4032 : void_type_node, 2, pchar_type_node, size_type_node);
4033 :
4034 31361 : gfor_fndecl_runtime_error = gfc_build_library_function_decl_with_spec (
4035 : get_identifier (PREFIX("runtime_error")), ". R ",
4036 : void_type_node, -1, pchar_type_node);
4037 : /* The runtime_error function does not return. */
4038 31361 : TREE_THIS_VOLATILE (gfor_fndecl_runtime_error) = 1;
4039 :
4040 31361 : gfor_fndecl_runtime_error_at = gfc_build_library_function_decl_with_spec (
4041 : get_identifier (PREFIX("runtime_error_at")), ". R R ",
4042 : void_type_node, -2, pchar_type_node, pchar_type_node);
4043 : /* The runtime_error_at function does not return. */
4044 31361 : TREE_THIS_VOLATILE (gfor_fndecl_runtime_error_at) = 1;
4045 :
4046 31361 : gfor_fndecl_runtime_warning_at = gfc_build_library_function_decl_with_spec (
4047 : get_identifier (PREFIX("runtime_warning_at")), ". R R ",
4048 : void_type_node, -2, pchar_type_node, pchar_type_node);
4049 :
4050 31361 : gfor_fndecl_generate_error = gfc_build_library_function_decl_with_spec (
4051 : get_identifier (PREFIX("generate_error")), ". W . R ",
4052 : void_type_node, 3, pvoid_type_node, integer_type_node,
4053 : pchar_type_node);
4054 :
4055 31361 : gfor_fndecl_os_error_at = gfc_build_library_function_decl_with_spec (
4056 : get_identifier (PREFIX("os_error_at")), ". R R ",
4057 : void_type_node, -2, pchar_type_node, pchar_type_node);
4058 : /* The os_error_at function does not return. */
4059 31361 : TREE_THIS_VOLATILE (gfor_fndecl_os_error_at) = 1;
4060 :
4061 31361 : gfor_fndecl_set_args = gfc_build_library_function_decl (
4062 : get_identifier (PREFIX("set_args")),
4063 : void_type_node, 2, integer_type_node,
4064 : build_pointer_type (pchar_type_node));
4065 :
4066 31361 : gfor_fndecl_set_fpe = gfc_build_library_function_decl (
4067 : get_identifier (PREFIX("set_fpe")),
4068 : void_type_node, 1, integer_type_node);
4069 :
4070 31361 : gfor_fndecl_ieee_procedure_entry = gfc_build_library_function_decl (
4071 : get_identifier (PREFIX("ieee_procedure_entry")),
4072 : void_type_node, 1, pvoid_type_node);
4073 :
4074 31361 : gfor_fndecl_ieee_procedure_exit = gfc_build_library_function_decl (
4075 : get_identifier (PREFIX("ieee_procedure_exit")),
4076 : void_type_node, 1, pvoid_type_node);
4077 :
4078 : /* Keep the array dimension in sync with the call, later in this file. */
4079 31361 : gfor_fndecl_set_options = gfc_build_library_function_decl_with_spec (
4080 : get_identifier (PREFIX("set_options")), ". . R ",
4081 : void_type_node, 2, integer_type_node,
4082 : build_pointer_type (integer_type_node));
4083 :
4084 31361 : gfor_fndecl_set_convert = gfc_build_library_function_decl (
4085 : get_identifier (PREFIX("set_convert")),
4086 : void_type_node, 1, integer_type_node);
4087 :
4088 31361 : gfor_fndecl_set_record_marker = gfc_build_library_function_decl (
4089 : get_identifier (PREFIX("set_record_marker")),
4090 : void_type_node, 1, integer_type_node);
4091 :
4092 31361 : gfor_fndecl_set_max_subrecord_length = gfc_build_library_function_decl (
4093 : get_identifier (PREFIX("set_max_subrecord_length")),
4094 : void_type_node, 1, integer_type_node);
4095 :
4096 31361 : gfor_fndecl_in_pack = gfc_build_library_function_decl_with_spec (
4097 : get_identifier (PREFIX("internal_pack")), ". r ",
4098 : pvoid_type_node, 1, pvoid_type_node);
4099 :
4100 31361 : gfor_fndecl_in_unpack = gfc_build_library_function_decl_with_spec (
4101 : get_identifier (PREFIX("internal_unpack")), ". w R ",
4102 : void_type_node, 2, pvoid_type_node, pvoid_type_node);
4103 :
4104 31361 : gfor_fndecl_in_pack_class = gfc_build_library_function_decl_with_spec (
4105 : get_identifier (PREFIX ("internal_pack_class")), ". w R r r ",
4106 : void_type_node, 4, pvoid_type_node, pvoid_type_node, size_type_node,
4107 : integer_type_node);
4108 :
4109 31361 : gfor_fndecl_in_unpack_class = gfc_build_library_function_decl_with_spec (
4110 : get_identifier (PREFIX ("internal_unpack_class")), ". w R r r ",
4111 : void_type_node, 4, pvoid_type_node, pvoid_type_node, size_type_node,
4112 : integer_type_node);
4113 :
4114 31361 : gfor_fndecl_associated = gfc_build_library_function_decl_with_spec (
4115 : get_identifier (PREFIX ("associated")), ". R R ", integer_type_node, 2,
4116 : ppvoid_type_node, ppvoid_type_node);
4117 31361 : DECL_PURE_P (gfor_fndecl_associated) = 1;
4118 31361 : TREE_NOTHROW (gfor_fndecl_associated) = 1;
4119 :
4120 : /* Coarray library calls. */
4121 31361 : if (flag_coarray == GFC_FCOARRAY_LIB)
4122 : {
4123 462 : tree pint_type, pppchar_type, psize_type;
4124 :
4125 462 : pint_type = build_pointer_type (integer_type_node);
4126 462 : pppchar_type
4127 462 : = build_pointer_type (build_pointer_type (pchar_type_node));
4128 462 : psize_type = build_pointer_type (size_type_node);
4129 :
4130 462 : gfor_fndecl_caf_init = gfc_build_library_function_decl_with_spec (
4131 : get_identifier (PREFIX("caf_init")), ". W W ",
4132 : void_type_node, 2, pint_type, pppchar_type);
4133 :
4134 462 : gfor_fndecl_caf_finalize = gfc_build_library_function_decl (
4135 : get_identifier (PREFIX("caf_finalize")), void_type_node, 0);
4136 :
4137 462 : gfor_fndecl_caf_this_image = gfc_build_library_function_decl_with_spec (
4138 : get_identifier (PREFIX ("caf_this_image")), ". r ", integer_type_node,
4139 : 1, pvoid_type_node);
4140 :
4141 462 : gfor_fndecl_caf_num_images = gfc_build_library_function_decl (
4142 : get_identifier (PREFIX("caf_num_images")), integer_type_node,
4143 : 2, integer_type_node, integer_type_node);
4144 :
4145 462 : gfor_fndecl_caf_register = gfc_build_library_function_decl_with_spec (
4146 : get_identifier (PREFIX("caf_register")), ". . . W w w w . ",
4147 : void_type_node, 7,
4148 : size_type_node, integer_type_node, ppvoid_type_node, pvoid_type_node,
4149 : pint_type, pchar_type_node, size_type_node);
4150 :
4151 462 : gfor_fndecl_caf_deregister = gfc_build_library_function_decl_with_spec (
4152 : get_identifier (PREFIX("caf_deregister")), ". W . w w . ",
4153 : void_type_node, 5,
4154 : ppvoid_type_node, integer_type_node, pint_type, pchar_type_node,
4155 : size_type_node);
4156 :
4157 462 : gfor_fndecl_caf_register_accessor
4158 462 : = gfc_build_library_function_decl_with_spec (
4159 : get_identifier (PREFIX ("caf_register_accessor")), ". r r ",
4160 : void_type_node, 2, integer_type_node, pvoid_type_node);
4161 :
4162 462 : gfor_fndecl_caf_register_accessors_finish
4163 462 : = gfc_build_library_function_decl_with_spec (
4164 : get_identifier (PREFIX ("caf_register_accessors_finish")), ". ",
4165 : void_type_node, 0);
4166 :
4167 462 : gfor_fndecl_caf_get_remote_function_index
4168 462 : = gfc_build_library_function_decl_with_spec (
4169 : get_identifier (PREFIX ("caf_get_remote_function_index")), ". r ",
4170 : integer_type_node, 1, integer_type_node);
4171 :
4172 462 : gfor_fndecl_caf_get_from_remote
4173 462 : = gfc_build_library_function_decl_with_spec (
4174 : get_identifier (PREFIX ("caf_get_from_remote")),
4175 : ". r r r r r w w w r r w r w r r ", void_type_node, 15,
4176 : pvoid_type_node, pvoid_type_node, psize_type, integer_type_node,
4177 : size_type_node, ppvoid_type_node, psize_type, pvoid_type_node,
4178 : boolean_type_node, integer_type_node, pvoid_type_node, size_type_node,
4179 : pint_type, pvoid_type_node, pint_type);
4180 :
4181 462 : gfor_fndecl_caf_send_to_remote
4182 462 : = gfc_build_library_function_decl_with_spec (
4183 : get_identifier (PREFIX ("caf_send_to_remote")),
4184 : ". r r r r r r r r r w r w r r ", void_type_node, 14, pvoid_type_node,
4185 : pvoid_type_node, psize_type, integer_type_node, size_type_node,
4186 : ppvoid_type_node, psize_type, pvoid_type_node, integer_type_node,
4187 : pvoid_type_node, size_type_node, pint_type, pvoid_type_node,
4188 : pint_type);
4189 :
4190 462 : gfor_fndecl_caf_transfer_between_remotes
4191 462 : = gfc_build_library_function_decl_with_spec (
4192 : get_identifier (PREFIX ("caf_transfer_between_remotes")),
4193 : ". r r r r r r r r r r r r r r r r w w r r ", void_type_node, 20,
4194 : pvoid_type_node, pvoid_type_node, psize_type, integer_type_node,
4195 : integer_type_node, pvoid_type_node, size_type_node, pvoid_type_node,
4196 : pvoid_type_node, psize_type, integer_type_node, integer_type_node,
4197 : pvoid_type_node, size_type_node, size_type_node, boolean_type_node,
4198 : pint_type, pint_type, pvoid_type_node, pint_type);
4199 :
4200 462 : gfor_fndecl_caf_sync_all = gfc_build_library_function_decl_with_spec (
4201 : get_identifier (PREFIX ("caf_sync_all")), ". w w . ", void_type_node, 3,
4202 : pint_type, pchar_type_node, size_type_node);
4203 :
4204 462 : gfor_fndecl_caf_sync_memory = gfc_build_library_function_decl_with_spec (
4205 : get_identifier (PREFIX("caf_sync_memory")), ". w w . ", void_type_node,
4206 : 3, pint_type, pchar_type_node, size_type_node);
4207 :
4208 462 : gfor_fndecl_caf_sync_images = gfc_build_library_function_decl_with_spec (
4209 : get_identifier (PREFIX("caf_sync_images")), ". . r w w . ", void_type_node,
4210 : 5, integer_type_node, pint_type, pint_type,
4211 : pchar_type_node, size_type_node);
4212 :
4213 462 : gfor_fndecl_caf_error_stop = gfc_build_library_function_decl (
4214 : get_identifier (PREFIX("caf_error_stop")),
4215 : void_type_node, 1, integer_type_node);
4216 : /* CAF's ERROR STOP doesn't return. */
4217 462 : TREE_THIS_VOLATILE (gfor_fndecl_caf_error_stop) = 1;
4218 :
4219 462 : gfor_fndecl_caf_error_stop_str = gfc_build_library_function_decl_with_spec (
4220 : get_identifier (PREFIX("caf_error_stop_str")), ". r . ",
4221 : void_type_node, 2, pchar_type_node, size_type_node);
4222 : /* CAF's ERROR STOP doesn't return. */
4223 462 : TREE_THIS_VOLATILE (gfor_fndecl_caf_error_stop_str) = 1;
4224 :
4225 462 : gfor_fndecl_caf_stop_numeric = gfc_build_library_function_decl (
4226 : get_identifier (PREFIX("caf_stop_numeric")),
4227 : void_type_node, 1, integer_type_node);
4228 : /* CAF's STOP doesn't return. */
4229 462 : TREE_THIS_VOLATILE (gfor_fndecl_caf_stop_numeric) = 1;
4230 :
4231 462 : gfor_fndecl_caf_stop_str = gfc_build_library_function_decl_with_spec (
4232 : get_identifier (PREFIX("caf_stop_str")), ". r . ",
4233 : void_type_node, 2, pchar_type_node, size_type_node);
4234 : /* CAF's STOP doesn't return. */
4235 462 : TREE_THIS_VOLATILE (gfor_fndecl_caf_stop_str) = 1;
4236 :
4237 462 : gfor_fndecl_caf_atomic_def = gfc_build_library_function_decl_with_spec (
4238 : get_identifier (PREFIX("caf_atomic_define")), ". r . . w w . . ",
4239 : void_type_node, 7, pvoid_type_node, size_type_node, integer_type_node,
4240 : pvoid_type_node, pint_type, integer_type_node, integer_type_node);
4241 :
4242 462 : gfor_fndecl_caf_atomic_ref = gfc_build_library_function_decl_with_spec (
4243 : get_identifier (PREFIX("caf_atomic_ref")), ". r . . w w . . ",
4244 : void_type_node, 7, pvoid_type_node, size_type_node, integer_type_node,
4245 : pvoid_type_node, pint_type, integer_type_node, integer_type_node);
4246 :
4247 462 : gfor_fndecl_caf_atomic_cas = gfc_build_library_function_decl_with_spec (
4248 : get_identifier (PREFIX("caf_atomic_cas")), ". r . . w r r w . . ",
4249 : void_type_node, 9, pvoid_type_node, size_type_node, integer_type_node,
4250 : pvoid_type_node, pvoid_type_node, pvoid_type_node, pint_type,
4251 : integer_type_node, integer_type_node);
4252 :
4253 462 : gfor_fndecl_caf_atomic_op = gfc_build_library_function_decl_with_spec (
4254 : get_identifier (PREFIX("caf_atomic_op")), ". . r . . r w w . . ",
4255 : void_type_node, 9, integer_type_node, pvoid_type_node, size_type_node,
4256 : integer_type_node, pvoid_type_node, pvoid_type_node, pint_type,
4257 : integer_type_node, integer_type_node);
4258 :
4259 462 : gfor_fndecl_caf_lock = gfc_build_library_function_decl_with_spec (
4260 : get_identifier (PREFIX("caf_lock")), ". r . . w w w . ",
4261 : void_type_node, 7, pvoid_type_node, size_type_node, integer_type_node,
4262 : pint_type, pint_type, pchar_type_node, size_type_node);
4263 :
4264 462 : gfor_fndecl_caf_unlock = gfc_build_library_function_decl_with_spec (
4265 : get_identifier (PREFIX("caf_unlock")), ". r . . w w . ",
4266 : void_type_node, 6, pvoid_type_node, size_type_node, integer_type_node,
4267 : pint_type, pchar_type_node, size_type_node);
4268 :
4269 462 : gfor_fndecl_caf_event_post = gfc_build_library_function_decl_with_spec (
4270 : get_identifier (PREFIX("caf_event_post")), ". r . . w w . ",
4271 : void_type_node, 6, pvoid_type_node, size_type_node, integer_type_node,
4272 : pint_type, pchar_type_node, size_type_node);
4273 :
4274 462 : gfor_fndecl_caf_event_wait = gfc_build_library_function_decl_with_spec (
4275 : get_identifier (PREFIX("caf_event_wait")), ". r . . w w . ",
4276 : void_type_node, 6, pvoid_type_node, size_type_node, integer_type_node,
4277 : pint_type, pchar_type_node, size_type_node);
4278 :
4279 462 : gfor_fndecl_caf_event_query = gfc_build_library_function_decl_with_spec (
4280 : get_identifier (PREFIX("caf_event_query")), ". r . . w w ",
4281 : void_type_node, 5, pvoid_type_node, size_type_node, integer_type_node,
4282 : pint_type, pint_type);
4283 :
4284 462 : gfor_fndecl_caf_fail_image = gfc_build_library_function_decl (
4285 : get_identifier (PREFIX("caf_fail_image")), void_type_node, 0);
4286 : /* CAF's FAIL doesn't return. */
4287 462 : TREE_THIS_VOLATILE (gfor_fndecl_caf_fail_image) = 1;
4288 :
4289 462 : gfor_fndecl_caf_failed_images
4290 462 : = gfc_build_library_function_decl_with_spec (
4291 : get_identifier (PREFIX("caf_failed_images")), ". w . r ",
4292 : void_type_node, 3, pvoid_type_node, ppvoid_type_node,
4293 : integer_type_node);
4294 :
4295 462 : gfor_fndecl_caf_form_team = gfc_build_library_function_decl_with_spec (
4296 : get_identifier (PREFIX ("caf_form_team")), ". r w r w w w ",
4297 : void_type_node, 6, integer_type_node, ppvoid_type_node, pint_type,
4298 : pint_type, pchar_type_node, size_type_node);
4299 :
4300 462 : gfor_fndecl_caf_change_team = gfc_build_library_function_decl_with_spec (
4301 : get_identifier (PREFIX ("caf_change_team")), ". r w w w ",
4302 : void_type_node, 4, pvoid_type_node, pint_type, pchar_type_node,
4303 : size_type_node);
4304 :
4305 462 : gfor_fndecl_caf_end_team = gfc_build_library_function_decl_with_spec (
4306 : get_identifier (PREFIX ("caf_end_team")), ". w w w ", void_type_node, 3,
4307 : pint_type, pchar_type_node, size_type_node);
4308 :
4309 462 : gfor_fndecl_caf_get_team = gfc_build_library_function_decl_with_spec (
4310 : get_identifier (PREFIX ("caf_get_team")), ". r ", pvoid_type_node, 1,
4311 : pint_type);
4312 :
4313 462 : gfor_fndecl_caf_sync_team = gfc_build_library_function_decl_with_spec (
4314 : get_identifier (PREFIX ("caf_sync_team")), ". r w w w ", void_type_node,
4315 : 4, pvoid_type_node, pint_type, pchar_type_node, size_type_node);
4316 :
4317 462 : gfor_fndecl_caf_team_number = gfc_build_library_function_decl_with_spec (
4318 : get_identifier (PREFIX ("caf_team_number")), ". r ", integer_type_node,
4319 : 1, pvoid_type_node);
4320 :
4321 462 : gfor_fndecl_caf_image_status = gfc_build_library_function_decl_with_spec (
4322 : get_identifier (PREFIX ("caf_image_status")), ". r r ",
4323 : integer_type_node, 2, integer_type_node, ppvoid_type_node);
4324 :
4325 462 : gfor_fndecl_caf_stopped_images
4326 462 : = gfc_build_library_function_decl_with_spec (
4327 : get_identifier (PREFIX("caf_stopped_images")), ". w r r ",
4328 : void_type_node, 3, pvoid_type_node, ppvoid_type_node,
4329 : integer_type_node);
4330 :
4331 462 : gfor_fndecl_co_broadcast = gfc_build_library_function_decl_with_spec (
4332 : get_identifier (PREFIX("caf_co_broadcast")), ". w . w w . ",
4333 : void_type_node, 5, pvoid_type_node, integer_type_node,
4334 : pint_type, pchar_type_node, size_type_node);
4335 :
4336 462 : gfor_fndecl_co_max = gfc_build_library_function_decl_with_spec (
4337 : get_identifier (PREFIX("caf_co_max")), ". w . w w . . ",
4338 : void_type_node, 6, pvoid_type_node, integer_type_node,
4339 : pint_type, pchar_type_node, integer_type_node, size_type_node);
4340 :
4341 462 : gfor_fndecl_co_min = gfc_build_library_function_decl_with_spec (
4342 : get_identifier (PREFIX("caf_co_min")), ". w . w w . . ",
4343 : void_type_node, 6, pvoid_type_node, integer_type_node,
4344 : pint_type, pchar_type_node, integer_type_node, size_type_node);
4345 :
4346 462 : gfor_fndecl_co_reduce = gfc_build_library_function_decl_with_spec (
4347 : get_identifier (PREFIX("caf_co_reduce")), ". w r . . w w . . ",
4348 : void_type_node, 8, pvoid_type_node,
4349 : build_pointer_type (build_varargs_function_type_list (void_type_node,
4350 : NULL_TREE)),
4351 : integer_type_node, integer_type_node, pint_type, pchar_type_node,
4352 : integer_type_node, size_type_node);
4353 :
4354 462 : gfor_fndecl_co_sum = gfc_build_library_function_decl_with_spec (
4355 : get_identifier (PREFIX("caf_co_sum")), ". w . w w . ",
4356 : void_type_node, 5, pvoid_type_node, integer_type_node,
4357 : pint_type, pchar_type_node, size_type_node);
4358 :
4359 462 : gfor_fndecl_caf_is_present_on_remote
4360 462 : = gfc_build_library_function_decl_with_spec (
4361 : get_identifier (PREFIX ("caf_is_present_on_remote")), ". r r r r r ",
4362 : integer_type_node, 5, pvoid_type_node, integer_type_node,
4363 : integer_type_node, pvoid_type_node, size_type_node);
4364 :
4365 462 : gfor_fndecl_caf_random_init = gfc_build_library_function_decl (
4366 : get_identifier (PREFIX("caf_random_init")),
4367 : void_type_node, 2, logical_type_node, logical_type_node);
4368 : }
4369 :
4370 31361 : gfc_build_intrinsic_function_decls ();
4371 31361 : gfc_build_intrinsic_lib_fndecls ();
4372 31361 : gfc_build_io_library_fndecls ();
4373 31361 : }
4374 :
4375 :
4376 : /* Evaluate the length of dummy character variables. */
4377 :
4378 : static void
4379 750 : gfc_trans_dummy_character (gfc_symbol *sym, gfc_charlen *cl,
4380 : gfc_wrapped_block *block)
4381 : {
4382 750 : stmtblock_t init;
4383 :
4384 750 : gfc_finish_decl (cl->backend_decl);
4385 :
4386 750 : gfc_start_block (&init);
4387 :
4388 : /* Evaluate the string length expression. */
4389 750 : gfc_conv_string_length (cl, NULL, &init);
4390 :
4391 750 : gfc_trans_vla_type_sizes (sym, &init);
4392 :
4393 750 : gfc_add_init_cleanup (block, gfc_finish_block (&init), NULL_TREE);
4394 750 : }
4395 :
4396 :
4397 : /* Allocate and cleanup an automatic character variable. */
4398 :
4399 : static void
4400 354 : gfc_trans_auto_character_variable (gfc_symbol * sym, gfc_wrapped_block * block)
4401 : {
4402 354 : stmtblock_t init;
4403 354 : tree decl;
4404 354 : tree tmp;
4405 354 : bool back;
4406 :
4407 354 : gcc_assert (sym->backend_decl);
4408 354 : gcc_assert (sym->ts.u.cl && sym->ts.u.cl->length);
4409 :
4410 354 : gfc_init_block (&init);
4411 :
4412 : /* In the case of non-dummy symbols with dependencies on an old-fashioned
4413 : function result (ie. proc_name = proc_name->result), gfc_add_init_cleanup
4414 : must be called with the last, optional argument false so that the process
4415 : ing of the character length occurs after the processing of the result. */
4416 354 : back = sym->fn_result_dep;
4417 :
4418 : /* Evaluate the string length expression. */
4419 354 : gfc_conv_string_length (sym->ts.u.cl, NULL, &init);
4420 :
4421 354 : gfc_trans_vla_type_sizes (sym, &init);
4422 :
4423 354 : decl = sym->backend_decl;
4424 :
4425 : /* Emit a DECL_EXPR for this variable, which will cause the
4426 : gimplifier to allocate storage, and all that good stuff. */
4427 354 : tmp = fold_build1_loc (input_location, DECL_EXPR, TREE_TYPE (decl), decl);
4428 354 : gfc_add_expr_to_block (&init, tmp);
4429 :
4430 354 : gfc_add_init_cleanup (block, gfc_finish_block (&init), NULL_TREE, back);
4431 354 : }
4432 :
4433 : /* Set the initial value of ASSIGN statement auxiliary variable explicitly. */
4434 :
4435 : static void
4436 64 : gfc_trans_assign_aux_var (gfc_symbol * sym, gfc_wrapped_block * block)
4437 : {
4438 64 : stmtblock_t init;
4439 :
4440 64 : gcc_assert (sym->backend_decl);
4441 64 : gfc_start_block (&init);
4442 :
4443 : /* Set the initial value to length. See the comments in
4444 : function gfc_add_assign_aux_vars in this file. */
4445 64 : gfc_add_modify (&init, GFC_DECL_STRING_LEN (sym->backend_decl),
4446 : build_int_cst (gfc_charlen_type_node, -2));
4447 :
4448 64 : gfc_add_init_cleanup (block, gfc_finish_block (&init), NULL_TREE);
4449 64 : }
4450 :
4451 : static void
4452 161032 : gfc_trans_vla_one_sizepos (tree *tp, stmtblock_t *body)
4453 : {
4454 161032 : tree t = *tp, var, val;
4455 :
4456 161032 : if (t == NULL || t == error_mark_node)
4457 : return;
4458 151009 : if (TREE_CONSTANT (t) || DECL_P (t))
4459 : return;
4460 :
4461 62056 : if (TREE_CODE (t) == SAVE_EXPR)
4462 : {
4463 35604 : if (SAVE_EXPR_RESOLVED_P (t))
4464 : {
4465 0 : *tp = TREE_OPERAND (t, 0);
4466 0 : return;
4467 : }
4468 35604 : val = TREE_OPERAND (t, 0);
4469 : }
4470 : else
4471 : val = t;
4472 :
4473 62056 : var = gfc_create_var_np (TREE_TYPE (t), NULL);
4474 62056 : gfc_add_decl_to_function (var);
4475 62056 : gfc_add_modify (body, var, unshare_expr (val));
4476 62056 : if (TREE_CODE (t) == SAVE_EXPR)
4477 35604 : TREE_OPERAND (t, 0) = var;
4478 62056 : *tp = var;
4479 : }
4480 :
4481 : static void
4482 90005 : gfc_trans_vla_type_sizes_1 (tree type, stmtblock_t *body)
4483 : {
4484 90005 : tree t;
4485 :
4486 90005 : if (type == NULL || type == error_mark_node)
4487 : return;
4488 :
4489 90005 : type = TYPE_MAIN_VARIANT (type);
4490 :
4491 90005 : if (TREE_CODE (type) == INTEGER_TYPE)
4492 : {
4493 49840 : gfc_trans_vla_one_sizepos (&TYPE_MIN_VALUE (type), body);
4494 49840 : gfc_trans_vla_one_sizepos (&TYPE_MAX_VALUE (type), body);
4495 :
4496 64570 : for (t = TYPE_NEXT_VARIANT (type); t; t = TYPE_NEXT_VARIANT (t))
4497 : {
4498 14730 : TYPE_MIN_VALUE (t) = TYPE_MIN_VALUE (type);
4499 14730 : TYPE_MAX_VALUE (t) = TYPE_MAX_VALUE (type);
4500 : }
4501 : }
4502 40165 : else if (TREE_CODE (type) == ARRAY_TYPE)
4503 : {
4504 30676 : gfc_trans_vla_type_sizes_1 (TREE_TYPE (type), body);
4505 30676 : gfc_trans_vla_type_sizes_1 (TYPE_DOMAIN (type), body);
4506 30676 : gfc_trans_vla_one_sizepos (&TYPE_SIZE (type), body);
4507 30676 : gfc_trans_vla_one_sizepos (&TYPE_SIZE_UNIT (type), body);
4508 :
4509 30676 : for (t = TYPE_NEXT_VARIANT (type); t; t = TYPE_NEXT_VARIANT (t))
4510 : {
4511 0 : TYPE_SIZE (t) = TYPE_SIZE (type);
4512 0 : TYPE_SIZE_UNIT (t) = TYPE_SIZE_UNIT (type);
4513 : }
4514 : }
4515 : }
4516 :
4517 : /* Make sure all type sizes and array domains are either constant,
4518 : or variable or parameter decls. This is a simplified variant
4519 : of gimplify_type_sizes, but we can't use it here, as none of the
4520 : variables in the expressions have been gimplified yet.
4521 : As type sizes and domains for various variable length arrays
4522 : contain VAR_DECLs that are only initialized at gfc_trans_deferred_vars
4523 : time, without this routine gimplify_type_sizes in the middle-end
4524 : could result in the type sizes being gimplified earlier than where
4525 : those variables are initialized. */
4526 :
4527 : void
4528 27161 : gfc_trans_vla_type_sizes (gfc_symbol *sym, stmtblock_t *body)
4529 : {
4530 27161 : tree type = TREE_TYPE (sym->backend_decl);
4531 :
4532 27161 : if (TREE_CODE (type) == FUNCTION_TYPE
4533 1081 : && (sym->attr.function || sym->attr.result || sym->attr.entry))
4534 : {
4535 1081 : if (! current_fake_result_decl)
4536 : return;
4537 :
4538 1081 : type = TREE_TYPE (TREE_VALUE (current_fake_result_decl));
4539 : }
4540 :
4541 53459 : while (POINTER_TYPE_P (type))
4542 26298 : type = TREE_TYPE (type);
4543 :
4544 27161 : if (GFC_DESCRIPTOR_TYPE_P (type))
4545 : {
4546 1492 : tree etype = GFC_TYPE_ARRAY_DATAPTR_TYPE (type);
4547 :
4548 2984 : while (POINTER_TYPE_P (etype))
4549 1492 : etype = TREE_TYPE (etype);
4550 :
4551 1492 : gfc_trans_vla_type_sizes_1 (etype, body);
4552 : }
4553 :
4554 27161 : gfc_trans_vla_type_sizes_1 (type, body);
4555 : }
4556 :
4557 :
4558 : /* Initialize a derived type by building an lvalue from the symbol
4559 : and using trans_assignment to do the work. Set dealloc to false
4560 : if no deallocation prior the assignment is needed. */
4561 : void
4562 1452 : gfc_init_default_dt (gfc_symbol * sym, stmtblock_t * block, bool dealloc,
4563 : bool pdt_ok)
4564 : {
4565 1452 : gfc_expr *e;
4566 1452 : tree tmp;
4567 1452 : tree present;
4568 :
4569 1452 : gcc_assert (block);
4570 :
4571 : /* Initialization of PDTs is done elsewhere. */
4572 1452 : if (IS_PDT (sym) && !pdt_ok)
4573 : return;
4574 :
4575 1131 : gcc_assert (!sym->attr.allocatable);
4576 1131 : gfc_set_sym_referenced (sym);
4577 1131 : e = gfc_lval_expr_from_sym (sym);
4578 1131 : tmp = gfc_trans_assignment (e, sym->value, false, dealloc);
4579 1131 : if (sym->attr.dummy && (sym->attr.optional
4580 241 : || sym->ns->proc_name->attr.entry_master))
4581 : {
4582 39 : present = gfc_conv_expr_present (sym);
4583 39 : tmp = build3_loc (input_location, COND_EXPR, TREE_TYPE (tmp), present,
4584 : tmp, build_empty_stmt (input_location));
4585 : }
4586 1131 : gfc_add_expr_to_block (block, tmp);
4587 1131 : gfc_free_expr (e);
4588 : }
4589 :
4590 :
4591 : /* Initialize a PDT, either when the symbol has a value or when all the
4592 : components have an initializer. */
4593 : static tree
4594 531 : gfc_init_default_pdt (gfc_symbol *sym, bool dealloc)
4595 : {
4596 531 : stmtblock_t block;
4597 531 : tree tmp;
4598 531 : gfc_component *c;
4599 :
4600 531 : if (sym->value && sym->value->symtree
4601 12 : && sym->value->symtree->n.sym
4602 12 : && !sym->value->symtree->n.sym->attr.artificial)
4603 : {
4604 12 : tmp = gfc_trans_assignment (gfc_lval_expr_from_sym (sym),
4605 : sym->value, false, false, true);
4606 12 : return tmp;
4607 : }
4608 :
4609 519 : if (!dealloc || !sym->value)
4610 : return NULL_TREE;
4611 :
4612 : /* Allowed in the case where all the components have initializers and
4613 : there are no LEN components. */
4614 328 : c = sym->ts.u.derived->components;
4615 541 : for (; c; c = c->next)
4616 521 : if (c->attr.pdt_len || !c->initializer)
4617 : return NULL_TREE;
4618 :
4619 20 : gfc_init_block (&block);
4620 20 : gfc_init_default_dt (sym, &block, dealloc, true);
4621 20 : return gfc_finish_block (&block);
4622 : }
4623 :
4624 :
4625 : /* Initialize INTENT(OUT) derived type dummies. As well as giving
4626 : them their default initializer, if they have allocatable
4627 : components, they have their allocatable components deallocated. */
4628 :
4629 : static void
4630 98202 : init_intent_out_dt (gfc_symbol * proc_sym, gfc_wrapped_block * block)
4631 : {
4632 98202 : stmtblock_t init;
4633 98202 : gfc_formal_arglist *f;
4634 98202 : tree tmp;
4635 98202 : tree present;
4636 98202 : gfc_symbol *s;
4637 :
4638 98202 : gfc_init_block (&init);
4639 198946 : for (f = gfc_sym_get_dummy_args (proc_sym); f; f = f->next)
4640 100744 : if (f->sym && f->sym->attr.intent == INTENT_OUT
4641 3978 : && !f->sym->attr.pointer
4642 3924 : && f->sym->ts.type == BT_DERIVED)
4643 : {
4644 516 : s = f->sym;
4645 516 : tmp = NULL_TREE;
4646 :
4647 : /* Note: Allocatables are excluded as they are already handled
4648 : by the caller. */
4649 516 : if (!f->sym->attr.allocatable
4650 516 : && gfc_is_finalizable (s->ts.u.derived, NULL))
4651 : {
4652 38 : stmtblock_t block;
4653 38 : gfc_expr *e;
4654 :
4655 38 : gfc_init_block (&block);
4656 38 : s->attr.referenced = 1;
4657 38 : e = gfc_lval_expr_from_sym (s);
4658 38 : gfc_add_finalizer_call (&block, e);
4659 38 : gfc_free_expr (e);
4660 38 : tmp = gfc_finish_block (&block);
4661 : }
4662 :
4663 : /* Note: Allocatables are excluded as they are already handled
4664 : by the caller. */
4665 516 : if (tmp == NULL_TREE && !s->attr.allocatable
4666 358 : && s->ts.u.derived->attr.alloc_comp)
4667 126 : tmp = gfc_deallocate_alloc_comp (s->ts.u.derived,
4668 : s->backend_decl,
4669 126 : s->as ? s->as->rank : 0);
4670 :
4671 516 : if (tmp != NULL_TREE && (s->attr.optional
4672 145 : || s->ns->proc_name->attr.entry_master))
4673 : {
4674 19 : present = gfc_conv_expr_present (s);
4675 19 : tmp = build3_loc (input_location, COND_EXPR, TREE_TYPE (tmp),
4676 : present, tmp, build_empty_stmt (input_location));
4677 : }
4678 :
4679 516 : gfc_add_expr_to_block (&init, tmp);
4680 516 : if (s->value && !s->attr.allocatable)
4681 273 : gfc_init_default_dt (s, &init, false);
4682 : }
4683 100228 : else if (f->sym && f->sym->attr.intent == INTENT_OUT
4684 3462 : && f->sym->ts.type == BT_CLASS
4685 624 : && !CLASS_DATA (f->sym)->attr.class_pointer
4686 605 : && !CLASS_DATA (f->sym)->attr.allocatable)
4687 : {
4688 400 : stmtblock_t block;
4689 400 : gfc_expr *e;
4690 :
4691 400 : gfc_init_block (&block);
4692 400 : f->sym->attr.referenced = 1;
4693 400 : e = gfc_lval_expr_from_sym (f->sym);
4694 400 : gfc_add_finalizer_call (&block, e);
4695 400 : gfc_free_expr (e);
4696 400 : tmp = gfc_finish_block (&block);
4697 :
4698 400 : if (f->sym->attr.optional || f->sym->ns->proc_name->attr.entry_master)
4699 : {
4700 6 : present = gfc_conv_expr_present (f->sym);
4701 6 : tmp = build3_loc (input_location, COND_EXPR, TREE_TYPE (tmp),
4702 : present, tmp,
4703 : build_empty_stmt (input_location));
4704 : }
4705 400 : gfc_add_expr_to_block (&init, tmp);
4706 : }
4707 98202 : gfc_add_init_cleanup (block, gfc_finish_block (&init), NULL_TREE);
4708 98202 : }
4709 :
4710 :
4711 : /* Helper function to manage deferred string lengths. */
4712 :
4713 : static tree
4714 161 : gfc_null_and_pass_deferred_len (gfc_symbol *sym, stmtblock_t *init,
4715 : location_t loc)
4716 : {
4717 161 : tree tmp;
4718 :
4719 : /* Character length passed by reference. */
4720 161 : tmp = sym->ts.u.cl->passed_length;
4721 161 : tmp = build_fold_indirect_ref_loc (input_location, tmp);
4722 161 : tmp = fold_convert (gfc_charlen_type_node, tmp);
4723 :
4724 161 : if (!sym->attr.dummy || sym->attr.intent == INTENT_OUT)
4725 : /* Zero the string length when entering the scope. */
4726 161 : gfc_add_modify (init, sym->ts.u.cl->backend_decl,
4727 : build_int_cst (gfc_charlen_type_node, 0));
4728 : else
4729 : {
4730 0 : tree tmp2;
4731 :
4732 0 : tmp2 = fold_build2_loc (input_location, MODIFY_EXPR,
4733 : gfc_charlen_type_node,
4734 0 : sym->ts.u.cl->backend_decl, tmp);
4735 0 : if (sym->attr.optional)
4736 : {
4737 0 : tree present = gfc_conv_expr_present (sym);
4738 0 : tmp2 = build3_loc (input_location, COND_EXPR,
4739 : void_type_node, present, tmp2,
4740 : build_empty_stmt (input_location));
4741 : }
4742 0 : gfc_add_expr_to_block (init, tmp2);
4743 : }
4744 :
4745 161 : input_location = loc;
4746 :
4747 : /* Pass the final character length back. */
4748 161 : if (sym->attr.intent != INTENT_IN)
4749 : {
4750 322 : tmp = fold_build2_loc (input_location, MODIFY_EXPR,
4751 : gfc_charlen_type_node, tmp,
4752 161 : sym->ts.u.cl->backend_decl);
4753 161 : if (sym->attr.optional)
4754 : {
4755 0 : tree present = gfc_conv_expr_present (sym);
4756 0 : tmp = build3_loc (input_location, COND_EXPR,
4757 : void_type_node, present, tmp,
4758 : build_empty_stmt (input_location));
4759 : }
4760 : }
4761 : else
4762 : tmp = NULL_TREE;
4763 :
4764 161 : return tmp;
4765 : }
4766 :
4767 :
4768 : /* Get the result expression for a procedure. */
4769 :
4770 : static tree
4771 24747 : get_proc_result (gfc_symbol* sym)
4772 : {
4773 24747 : if (sym->attr.subroutine || sym == sym->result)
4774 : {
4775 12453 : if (current_fake_result_decl != NULL)
4776 12264 : return TREE_VALUE (current_fake_result_decl);
4777 :
4778 : return NULL_TREE;
4779 : }
4780 :
4781 12294 : return sym->result->backend_decl;
4782 : }
4783 :
4784 :
4785 : /* Generate function entry and exit code, and add it to the function body.
4786 : This includes:
4787 : Allocation and initialization of array variables.
4788 : Allocation of character string variables.
4789 : Initialization and possibly repacking of dummy arrays.
4790 : Initialization of ASSIGN statement auxiliary variable.
4791 : Initialization of ASSOCIATE names.
4792 : Automatic deallocation. */
4793 :
4794 : void
4795 98202 : gfc_trans_deferred_vars (gfc_symbol * proc_sym, gfc_wrapped_block * block)
4796 : {
4797 98202 : location_t loc;
4798 98202 : gfc_symbol *sym;
4799 98202 : gfc_formal_arglist *f;
4800 98202 : stmtblock_t tmpblock;
4801 98202 : bool seen_trans_deferred_array = false;
4802 98202 : bool is_pdt_type = false;
4803 98202 : tree tmp = NULL;
4804 98202 : gfc_expr *e;
4805 98202 : gfc_se se;
4806 98202 : stmtblock_t init;
4807 :
4808 : /* Deal with implicit return variables. Explicit return variables will
4809 : already have been added. */
4810 98202 : if (gfc_return_by_reference (proc_sym) && proc_sym->result == proc_sym)
4811 : {
4812 1663 : if (!current_fake_result_decl)
4813 : {
4814 81 : gfc_entry_list *el = NULL;
4815 81 : if (proc_sym->attr.entry_master)
4816 : {
4817 46 : for (el = proc_sym->ns->entries; el; el = el->next)
4818 46 : if (el->sym != el->sym->result)
4819 : break;
4820 : }
4821 : /* TODO: move to the appropriate place in resolve.cc. */
4822 81 : if (warn_return_type > 0 && el == NULL)
4823 4 : gfc_warning (OPT_Wreturn_type,
4824 : "Return value of function %qs at %L not set",
4825 : proc_sym->name, &proc_sym->declared_at);
4826 : }
4827 1582 : else if (proc_sym->as)
4828 : {
4829 807 : tree result = TREE_VALUE (current_fake_result_decl);
4830 807 : loc = input_location;
4831 807 : input_location = gfc_get_location (&proc_sym->declared_at);
4832 807 : gfc_trans_dummy_array_bias (proc_sym, result, block);
4833 :
4834 : /* An automatic character length, pointer array result. */
4835 807 : if (proc_sym->ts.type == BT_CHARACTER
4836 69 : && VAR_P (proc_sym->ts.u.cl->backend_decl))
4837 : {
4838 51 : tmp = NULL;
4839 51 : if (proc_sym->ts.deferred)
4840 : {
4841 12 : gfc_start_block (&init);
4842 12 : tmp = gfc_null_and_pass_deferred_len (proc_sym, &init, loc);
4843 12 : gfc_add_init_cleanup (block, gfc_finish_block (&init), tmp);
4844 : }
4845 : else
4846 39 : gfc_trans_dummy_character (proc_sym, proc_sym->ts.u.cl, block);
4847 : }
4848 : }
4849 775 : else if (proc_sym->ts.type == BT_CHARACTER)
4850 : {
4851 739 : if (proc_sym->ts.deferred)
4852 : {
4853 91 : tmp = NULL;
4854 91 : loc = input_location;
4855 91 : input_location = gfc_get_location (&proc_sym->declared_at);
4856 91 : gfc_start_block (&init);
4857 : /* Zero the string length on entry. */
4858 91 : gfc_add_modify (&init, proc_sym->ts.u.cl->backend_decl,
4859 : build_int_cst (gfc_charlen_type_node, 0));
4860 : /* Null the pointer. */
4861 91 : e = gfc_lval_expr_from_sym (proc_sym);
4862 91 : gfc_init_se (&se, NULL);
4863 91 : se.want_pointer = 1;
4864 91 : gfc_conv_expr (&se, e);
4865 91 : gfc_free_expr (e);
4866 91 : tmp = se.expr;
4867 91 : gfc_add_modify (&init, tmp,
4868 91 : fold_convert (TREE_TYPE (se.expr),
4869 : null_pointer_node));
4870 91 : input_location = loc;
4871 :
4872 : /* Pass back the string length on exit. */
4873 91 : tmp = proc_sym->ts.u.cl->backend_decl;
4874 91 : if (TREE_CODE (tmp) != INDIRECT_REF
4875 91 : && proc_sym->ts.u.cl->passed_length)
4876 : {
4877 91 : tmp = proc_sym->ts.u.cl->passed_length;
4878 91 : tmp = build_fold_indirect_ref_loc (input_location, tmp);
4879 182 : tmp = fold_build2_loc (input_location, MODIFY_EXPR,
4880 91 : TREE_TYPE (tmp), tmp,
4881 91 : fold_convert
4882 : (TREE_TYPE (tmp),
4883 : proc_sym->ts.u.cl->backend_decl));
4884 : }
4885 : else
4886 : tmp = NULL_TREE;
4887 :
4888 91 : gfc_add_init_cleanup (block, gfc_finish_block (&init), tmp);
4889 : }
4890 648 : else if (VAR_P (proc_sym->ts.u.cl->backend_decl))
4891 369 : gfc_trans_dummy_character (proc_sym, proc_sym->ts.u.cl, block);
4892 : }
4893 : else
4894 36 : gcc_assert (flag_f2c && proc_sym->ts.type == BT_COMPLEX);
4895 : }
4896 96539 : else if (proc_sym == proc_sym->result && IS_CLASS_ARRAY (proc_sym))
4897 : {
4898 : /* Nullify explicit return class arrays on entry. */
4899 34 : tree type;
4900 34 : tmp = get_proc_result (proc_sym);
4901 34 : if (tmp && GFC_CLASS_TYPE_P (TREE_TYPE (tmp)))
4902 : {
4903 34 : gfc_start_block (&init);
4904 34 : tmp = gfc_class_data_get (tmp);
4905 34 : type = TREE_TYPE (gfc_conv_descriptor_data_get (tmp));
4906 34 : gfc_conv_descriptor_data_set (&init, tmp, build_int_cst (type, 0));
4907 34 : gfc_add_init_cleanup (block, gfc_finish_block (&init), NULL_TREE);
4908 : }
4909 : }
4910 :
4911 98202 : sym = (proc_sym->attr.function
4912 98202 : && proc_sym != proc_sym->result) ? proc_sym->result : NULL;
4913 :
4914 7194 : if (sym && !sym->attr.allocatable && !sym->attr.pointer
4915 6570 : && sym->attr.referenced
4916 13667 : && IS_PDT (sym) && !gfc_has_default_initializer (sym->ts.u.derived))
4917 : {
4918 6 : gfc_init_block (&tmpblock);
4919 6 : tmp = gfc_allocate_pdt_comp (sym->ts.u.derived,
4920 : sym->backend_decl,
4921 6 : sym->as ? sym->as->rank : 0,
4922 6 : sym->param_list);
4923 6 : gfc_add_expr_to_block (&tmpblock, tmp);
4924 6 : gfc_add_init_cleanup (block, gfc_finish_block (&tmpblock), NULL);
4925 : }
4926 :
4927 : /* Initialize the INTENT(OUT) derived type dummy arguments. This
4928 : should be done here so that the offsets and lbounds of arrays
4929 : are available. */
4930 98202 : loc = input_location;
4931 98202 : input_location = gfc_get_location (&proc_sym->declared_at);
4932 98202 : init_intent_out_dt (proc_sym, block);
4933 98202 : input_location = loc;
4934 :
4935 : /* For some reasons, internal procedures point to the parent's
4936 : namespace. Top-level procedure and variables inside BLOCK are fine. */
4937 98202 : gfc_namespace *omp_ns = proc_sym->ns;
4938 98202 : if (proc_sym->ns->proc_name != proc_sym)
4939 199197 : for (omp_ns = proc_sym->ns->contained; omp_ns;
4940 163098 : omp_ns = omp_ns->sibling)
4941 199077 : if (omp_ns->proc_name == proc_sym)
4942 : break;
4943 :
4944 : /* Add 'omp allocate' attribute for gfc_trans_auto_array_allocation and
4945 : unset attr.omp_allocate for 'omp allocate allocator(omp_default_mem_alloc),
4946 : which has the normal codepath except for an invalid-use check in the ME.
4947 : The main processing happens later in this function. */
4948 98202 : for (struct gfc_omp_namelist *n = omp_ns ? omp_ns->omp_allocate : NULL;
4949 98257 : n; n = n->next)
4950 55 : if (!TREE_STATIC (n->sym->backend_decl))
4951 : {
4952 : /* Add empty entries - described and to be filled below. */
4953 36 : tree tmp = build_tree_list (NULL_TREE, NULL_TREE);
4954 36 : TREE_CHAIN (tmp) = build_tree_list (NULL_TREE, NULL_TREE);
4955 36 : DECL_ATTRIBUTES (n->sym->backend_decl)
4956 36 : = tree_cons (get_identifier ("omp allocate"), tmp,
4957 36 : DECL_ATTRIBUTES (n->sym->backend_decl));
4958 36 : if (n->u.align == NULL
4959 29 : && n->u2.allocator != NULL
4960 7 : && n->u2.allocator->expr_type == EXPR_CONSTANT
4961 2 : && mpz_cmp_si (n->u2.allocator->value.integer, 1) == 0)
4962 1 : n->sym->attr.omp_allocate = 0;
4963 : }
4964 :
4965 172065 : for (sym = proc_sym->tlink; sym != proc_sym; sym = sym->tlink)
4966 : {
4967 73863 : bool alloc_comp_or_fini = (sym->ts.type == BT_DERIVED)
4968 73863 : && (sym->ts.u.derived->attr.alloc_comp
4969 5898 : || gfc_is_finalizable (sym->ts.u.derived,
4970 73863 : NULL));
4971 73863 : if (sym->assoc || sym->attr.vtab)
4972 5010 : continue;
4973 :
4974 : /* Set the vptr of unlimited polymorphic pointer variables so that
4975 : they do not cause segfaults in select type, when the selector
4976 : is an intrinsic type. */
4977 68853 : if (sym->ts.type == BT_CLASS && UNLIMITED_POLY (sym)
4978 1029 : && sym->attr.flavor == FL_VARIABLE && !sym->assoc
4979 1029 : && !sym->attr.dummy && CLASS_DATA (sym)->attr.class_pointer)
4980 : {
4981 308 : gfc_symbol *vtab;
4982 308 : gfc_init_block (&tmpblock);
4983 308 : vtab = gfc_find_vtab (&sym->ts);
4984 308 : if (!vtab->backend_decl)
4985 : {
4986 48 : if (!vtab->attr.referenced)
4987 6 : gfc_set_sym_referenced (vtab);
4988 48 : gfc_get_symbol_decl (vtab);
4989 : }
4990 308 : tmp = gfc_class_vptr_get (sym->backend_decl);
4991 308 : gfc_add_modify (&tmpblock, tmp,
4992 308 : gfc_build_addr_expr (TREE_TYPE (tmp),
4993 : vtab->backend_decl));
4994 308 : gfc_add_init_cleanup (block, gfc_finish_block (&tmpblock), NULL);
4995 : }
4996 :
4997 68853 : if (sym->ts.type == BT_DERIVED
4998 10561 : && sym->ts.u.derived
4999 10561 : && (sym->ts.u.derived->attr.pdt_type || sym->ts.u.derived->attr.pdt_comp))
5000 : {
5001 683 : is_pdt_type = true;
5002 683 : gfc_init_block (&tmpblock);
5003 :
5004 683 : if (!sym->attr.dummy && !sym->attr.pointer)
5005 : {
5006 531 : tmp = gfc_init_default_pdt (sym, true);
5007 531 : if (!sym->attr.allocatable && tmp == NULL_TREE)
5008 : {
5009 397 : tmp = gfc_allocate_pdt_comp (sym->ts.u.derived,
5010 : sym->backend_decl,
5011 397 : sym->as ? sym->as->rank : 0,
5012 397 : sym->param_list);
5013 397 : gfc_add_expr_to_block (&tmpblock, tmp);
5014 : }
5015 102 : else if (tmp != NULL_TREE)
5016 32 : gfc_add_expr_to_block (&tmpblock, tmp);
5017 :
5018 531 : if (!sym->attr.result && !sym->ts.u.derived->attr.alloc_comp)
5019 431 : tmp = gfc_deallocate_pdt_comp (sym->ts.u.derived,
5020 : sym->backend_decl,
5021 431 : sym->as ? sym->as->rank : 0);
5022 : else
5023 : tmp = NULL_TREE;
5024 :
5025 531 : gfc_add_init_cleanup (block, gfc_finish_block (&tmpblock), tmp);
5026 : }
5027 152 : else if (sym->attr.dummy)
5028 : {
5029 62 : tmp = gfc_check_pdt_dummy (sym->ts.u.derived,
5030 : sym->backend_decl,
5031 62 : sym->as ? sym->as->rank : 0,
5032 62 : sym->param_list);
5033 62 : gfc_add_expr_to_block (&tmpblock, tmp);
5034 62 : gfc_add_init_cleanup (block, gfc_finish_block (&tmpblock), NULL);
5035 : }
5036 : }
5037 68170 : else if (IS_CLASS_PDT (sym))
5038 : {
5039 12 : gfc_component *data = CLASS_DATA (sym);
5040 12 : is_pdt_type = true;
5041 12 : gfc_init_block (&tmpblock);
5042 12 : if (!(sym->attr.dummy
5043 12 : || CLASS_DATA (sym)->attr.pointer
5044 12 : || CLASS_DATA (sym)->attr.allocatable))
5045 : {
5046 0 : tmp = gfc_class_data_get (sym->backend_decl);
5047 0 : tmp = gfc_allocate_pdt_comp (data->ts.u.derived, tmp,
5048 0 : data->as ? data->as->rank : 0,
5049 0 : sym->param_list);
5050 0 : gfc_add_expr_to_block (&tmpblock, tmp);
5051 0 : tmp = gfc_class_data_get (sym->backend_decl);
5052 0 : if (!sym->attr.result)
5053 0 : tmp = gfc_deallocate_pdt_comp (data->ts.u.derived, tmp,
5054 0 : data->as ? data->as->rank : 0);
5055 : else
5056 : tmp = NULL_TREE;
5057 0 : gfc_add_init_cleanup (block, gfc_finish_block (&tmpblock), tmp);
5058 : }
5059 12 : else if (sym->attr.dummy)
5060 : {
5061 0 : tmp = gfc_class_data_get (sym->backend_decl);
5062 0 : tmp = gfc_check_pdt_dummy (data->ts.u.derived, tmp,
5063 0 : data->as ? data->as->rank : 0,
5064 0 : sym->param_list);
5065 0 : gfc_add_expr_to_block (&tmpblock, tmp);
5066 0 : gfc_add_init_cleanup (block, gfc_finish_block (&tmpblock), NULL);
5067 : }
5068 : }
5069 :
5070 68853 : if (sym->ts.type == BT_CLASS
5071 3791 : && (sym->attr.save || flag_max_stack_var_size == 0)
5072 58 : && CLASS_DATA (sym)->attr.allocatable)
5073 : {
5074 40 : tree vptr;
5075 :
5076 40 : if (UNLIMITED_POLY (sym))
5077 0 : vptr = null_pointer_node;
5078 : else
5079 : {
5080 40 : gfc_symbol *vsym;
5081 40 : vsym = gfc_find_derived_vtab (sym->ts.u.derived);
5082 40 : vptr = gfc_get_symbol_decl (vsym);
5083 40 : vptr = gfc_build_addr_expr (NULL, vptr);
5084 : }
5085 :
5086 40 : if (CLASS_DATA (sym)->attr.dimension
5087 8 : || (CLASS_DATA (sym)->attr.codimension
5088 1 : && flag_coarray != GFC_FCOARRAY_LIB))
5089 : {
5090 33 : tmp = gfc_class_data_get (sym->backend_decl);
5091 33 : tmp = gfc_build_null_descriptor (TREE_TYPE (tmp));
5092 : }
5093 : else
5094 7 : tmp = null_pointer_node;
5095 :
5096 40 : DECL_INITIAL (sym->backend_decl)
5097 40 : = gfc_class_set_static_fields (sym->backend_decl, vptr, tmp);
5098 40 : TREE_CONSTANT (DECL_INITIAL (sym->backend_decl)) = 1;
5099 40 : }
5100 68813 : else if ((sym->attr.dimension || sym->attr.codimension
5101 12304 : || (IS_CLASS_COARRAY_OR_ARRAY (sym)
5102 1982 : && !CLASS_DATA (sym)->attr.allocatable)))
5103 : {
5104 57371 : bool is_classarray = IS_CLASS_COARRAY_OR_ARRAY (sym);
5105 57371 : symbol_attribute *array_attr;
5106 57371 : gfc_array_spec *as;
5107 57371 : array_type type_of_array;
5108 :
5109 57371 : array_attr = is_classarray ? &CLASS_DATA (sym)->attr : &sym->attr;
5110 57371 : as = is_classarray ? CLASS_DATA (sym)->as : sym->as;
5111 : /* Assumed-size Cray pointees need to be treated as AS_EXPLICIT. */
5112 57371 : type_of_array = as->type;
5113 57371 : if (type_of_array == AS_ASSUMED_SIZE && as->cp_was_assumed)
5114 : type_of_array = AS_EXPLICIT;
5115 57300 : switch (type_of_array)
5116 : {
5117 37887 : case AS_EXPLICIT:
5118 37887 : if (sym->attr.dummy || sym->attr.result)
5119 6300 : gfc_trans_dummy_array_bias (sym, sym->backend_decl, block);
5120 : /* Allocatable and pointer arrays need to processed
5121 : explicitly. */
5122 31587 : else if ((sym->ts.type != BT_CLASS && sym->attr.pointer)
5123 31587 : || (sym->ts.type == BT_CLASS
5124 0 : && CLASS_DATA (sym)->attr.class_pointer)
5125 31587 : || array_attr->allocatable)
5126 : {
5127 0 : if (TREE_STATIC (sym->backend_decl))
5128 : {
5129 0 : loc = input_location;
5130 0 : input_location = gfc_get_location (&sym->declared_at);
5131 0 : gfc_trans_static_array_pointer (sym);
5132 0 : input_location = loc;
5133 : }
5134 : else
5135 : {
5136 0 : seen_trans_deferred_array = true;
5137 0 : gfc_trans_deferred_array (sym, block);
5138 : }
5139 : }
5140 31587 : else if (sym->attr.codimension
5141 462 : && TREE_STATIC (sym->backend_decl))
5142 : {
5143 402 : gfc_init_block (&tmpblock);
5144 402 : gfc_trans_array_cobounds (TREE_TYPE (sym->backend_decl),
5145 : &tmpblock, sym);
5146 402 : gfc_add_init_cleanup (block, gfc_finish_block (&tmpblock),
5147 : NULL_TREE);
5148 402 : continue;
5149 : }
5150 : else
5151 : {
5152 31185 : loc = input_location;
5153 31185 : input_location = gfc_get_location (&sym->declared_at);
5154 :
5155 31185 : if (alloc_comp_or_fini)
5156 : {
5157 503 : seen_trans_deferred_array = true;
5158 503 : gfc_trans_deferred_array (sym, block);
5159 : }
5160 30682 : else if (sym->ts.type == BT_DERIVED
5161 1725 : && sym->value
5162 517 : && !sym->attr.data
5163 491 : && sym->attr.save == SAVE_NONE)
5164 : {
5165 277 : gfc_start_block (&tmpblock);
5166 277 : gfc_init_default_dt (sym, &tmpblock, false);
5167 277 : gfc_add_init_cleanup (block,
5168 : gfc_finish_block (&tmpblock),
5169 : NULL_TREE);
5170 : }
5171 :
5172 31185 : gfc_trans_auto_array_allocation (sym->backend_decl,
5173 : sym, block);
5174 31185 : input_location = loc;
5175 : }
5176 : break;
5177 :
5178 1521 : case AS_ASSUMED_SIZE:
5179 : /* Must be a dummy parameter. */
5180 1521 : gcc_assert (sym->attr.dummy || as->cp_was_assumed);
5181 :
5182 : /* We should always pass assumed size arrays the g77 way. */
5183 1521 : if (sym->attr.dummy)
5184 1521 : gfc_trans_g77_array (sym, block);
5185 : break;
5186 :
5187 5672 : case AS_ASSUMED_SHAPE:
5188 : /* Must be a dummy parameter. */
5189 5672 : gcc_assert (sym->attr.dummy);
5190 :
5191 5672 : gfc_trans_dummy_array_bias (sym, sym->backend_decl, block);
5192 5672 : break;
5193 :
5194 12291 : case AS_ASSUMED_RANK:
5195 12291 : case AS_DEFERRED:
5196 12291 : seen_trans_deferred_array = true;
5197 12291 : gfc_trans_deferred_array (sym, block);
5198 12291 : if (sym->ts.type == BT_CHARACTER && sym->ts.deferred
5199 748 : && sym->attr.result)
5200 : {
5201 32 : gfc_start_block (&init);
5202 32 : loc = input_location;
5203 32 : input_location = gfc_get_location (&sym->declared_at);
5204 32 : tmp = gfc_null_and_pass_deferred_len (sym, &init, loc);
5205 32 : gfc_add_init_cleanup (block, gfc_finish_block (&init), tmp);
5206 : }
5207 : break;
5208 :
5209 0 : default:
5210 0 : gcc_unreachable ();
5211 : }
5212 56969 : if (alloc_comp_or_fini && !seen_trans_deferred_array)
5213 276 : gfc_trans_deferred_array (sym, block);
5214 : }
5215 11442 : else if ((!sym->attr.dummy || sym->ts.deferred)
5216 11246 : && (sym->ts.type == BT_CLASS
5217 2889 : && CLASS_DATA (sym)->attr.class_pointer))
5218 523 : gfc_trans_class_array (sym, block);
5219 10919 : else if ((!sym->attr.dummy || sym->ts.deferred)
5220 10723 : && (sym->attr.allocatable
5221 8397 : || (sym->attr.pointer && sym->attr.result)
5222 8346 : || (sym->ts.type == BT_CLASS
5223 2366 : && CLASS_DATA (sym)->attr.allocatable)))
5224 : {
5225 : /* Ensure that the initialization block may be generated also for
5226 : dummy and result variables when -fno-automatic is specified, which
5227 : sets flag_max_stack_var_size=0. */
5228 4743 : if (!sym->attr.save
5229 4664 : && (flag_max_stack_var_size != 0
5230 3 : || sym->attr.dummy
5231 3 : || sym->attr.result))
5232 : {
5233 4664 : tree descriptor = NULL_TREE;
5234 :
5235 4664 : loc = input_location;
5236 4664 : input_location = gfc_get_location (&sym->declared_at);
5237 4664 : gfc_start_block (&init);
5238 :
5239 4664 : if (sym->ts.type == BT_CHARACTER
5240 983 : && sym->attr.allocatable
5241 959 : && !sym->attr.dimension
5242 959 : && sym->ts.u.cl && sym->ts.u.cl->length
5243 191 : && sym->ts.u.cl->length->expr_type == EXPR_VARIABLE)
5244 27 : gfc_conv_string_length (sym->ts.u.cl, NULL, &init);
5245 :
5246 4664 : if (!sym->attr.pointer)
5247 : {
5248 : /* Nullify and automatic deallocation of allocatable
5249 : scalars. */
5250 4613 : e = gfc_lval_expr_from_sym (sym);
5251 4613 : if (sym->ts.type == BT_CLASS)
5252 2366 : gfc_add_data_component (e);
5253 :
5254 4613 : gfc_init_se (&se, NULL);
5255 4613 : if (sym->ts.type != BT_CLASS
5256 2366 : || sym->ts.u.derived->attr.dimension
5257 2366 : || sym->ts.u.derived->attr.codimension)
5258 : {
5259 2247 : se.want_pointer = 1;
5260 2247 : gfc_conv_expr (&se, e);
5261 : }
5262 2366 : else if (sym->ts.type == BT_CLASS
5263 2366 : && !CLASS_DATA (sym)->attr.dimension
5264 1304 : && !CLASS_DATA (sym)->attr.codimension)
5265 : {
5266 1246 : se.want_pointer = 1;
5267 1246 : gfc_conv_expr (&se, e);
5268 : }
5269 : else
5270 : {
5271 1120 : se.descriptor_only = 1;
5272 1120 : gfc_conv_expr (&se, e);
5273 1120 : descriptor = se.expr;
5274 1120 : se.expr = gfc_conv_descriptor_data_get (se.expr);
5275 : }
5276 4613 : gfc_free_expr (e);
5277 :
5278 4613 : if (!sym->attr.dummy || sym->attr.intent == INTENT_OUT)
5279 : {
5280 : /* Nullify when entering the scope. */
5281 4613 : if (sym->ts.type == BT_CLASS
5282 2366 : && (CLASS_DATA (sym)->attr.dimension
5283 1304 : || CLASS_DATA (sym)->attr.codimension))
5284 : {
5285 1120 : stmtblock_t nullify;
5286 1120 : gfc_init_block (&nullify);
5287 1120 : gfc_conv_descriptor_data_set (&nullify, descriptor,
5288 : null_pointer_node);
5289 1120 : tmp = gfc_finish_block (&nullify);
5290 1120 : }
5291 : else
5292 : {
5293 3493 : tree typed_null = fold_convert (TREE_TYPE (se.expr),
5294 : null_pointer_node);
5295 3493 : tmp = fold_build2_loc (input_location, MODIFY_EXPR,
5296 3493 : TREE_TYPE (se.expr), se.expr,
5297 : typed_null);
5298 : }
5299 4613 : if (sym->attr.optional)
5300 : {
5301 0 : tree present = gfc_conv_expr_present (sym);
5302 0 : tmp = build3_loc (input_location, COND_EXPR,
5303 : void_type_node, present, tmp,
5304 : build_empty_stmt (input_location));
5305 : }
5306 4613 : gfc_add_expr_to_block (&init, tmp);
5307 : }
5308 : }
5309 :
5310 4664 : if ((sym->attr.dummy || sym->attr.result)
5311 504 : && sym->ts.type == BT_CHARACTER
5312 117 : && sym->ts.deferred
5313 117 : && sym->ts.u.cl->passed_length)
5314 117 : tmp = gfc_null_and_pass_deferred_len (sym, &init, loc);
5315 : else
5316 : {
5317 4547 : input_location = loc;
5318 4547 : tmp = NULL_TREE;
5319 : }
5320 :
5321 : /* Initialize descriptor's TKR information. */
5322 4664 : if (sym->ts.type == BT_CLASS)
5323 2366 : gfc_trans_class_array (sym, block);
5324 :
5325 : /* Deallocate when leaving the scope. Nullifying is not
5326 : needed. */
5327 4664 : if (!sym->attr.result && !sym->attr.dummy && !sym->attr.pointer
5328 4160 : && !sym->ns->proc_name->attr.is_main_program)
5329 : {
5330 1385 : if (sym->ts.type == BT_CLASS
5331 471 : && CLASS_DATA (sym)->attr.codimension)
5332 6 : tmp = gfc_deallocate_with_status (descriptor, NULL_TREE,
5333 : NULL_TREE, NULL_TREE,
5334 : NULL_TREE, true, NULL,
5335 : GFC_CAF_COARRAY_ANALYZE);
5336 : else
5337 : {
5338 1379 : gfc_expr *expr = gfc_lval_expr_from_sym (sym);
5339 1379 : tmp = gfc_deallocate_scalar_with_status (se.expr,
5340 : NULL_TREE,
5341 : NULL_TREE,
5342 : true, expr,
5343 : sym->ts);
5344 1379 : gfc_free_expr (expr);
5345 : }
5346 : }
5347 :
5348 4664 : if (sym->ts.type == BT_CLASS)
5349 : {
5350 : /* Initialize _vptr to declared type. */
5351 2366 : loc = input_location;
5352 2366 : input_location = gfc_get_location (&sym->declared_at);
5353 :
5354 2366 : e = gfc_lval_expr_from_sym (sym);
5355 2366 : gfc_reset_vptr (&init, e);
5356 2366 : gfc_free_expr (e);
5357 2366 : input_location = loc;
5358 : }
5359 :
5360 4664 : gfc_add_init_cleanup (block, gfc_finish_block (&init), tmp);
5361 : }
5362 : }
5363 6176 : else if (sym->ts.type == BT_CHARACTER && sym->ts.deferred)
5364 : {
5365 244 : tree tmp = NULL;
5366 244 : stmtblock_t init;
5367 :
5368 : /* If we get to here, all that should be left are pointers. */
5369 244 : gcc_assert (sym->attr.pointer);
5370 :
5371 244 : if (sym->attr.dummy)
5372 : {
5373 0 : gfc_start_block (&init);
5374 0 : loc = input_location;
5375 0 : input_location = gfc_get_location (&sym->declared_at);
5376 0 : tmp = gfc_null_and_pass_deferred_len (sym, &init, loc);
5377 0 : gfc_add_init_cleanup (block, gfc_finish_block (&init), tmp);
5378 : }
5379 244 : }
5380 5932 : else if (sym->ts.deferred)
5381 0 : gfc_fatal_error ("Deferred type parameter not yet supported");
5382 5932 : else if (alloc_comp_or_fini)
5383 4606 : gfc_trans_deferred_array (sym, block);
5384 1326 : else if (sym->ts.type == BT_CHARACTER)
5385 : {
5386 696 : loc = input_location;
5387 696 : input_location = gfc_get_location (&sym->declared_at);
5388 696 : if (sym->attr.dummy || sym->attr.result)
5389 342 : gfc_trans_dummy_character (sym, sym->ts.u.cl, block);
5390 : else
5391 354 : gfc_trans_auto_character_variable (sym, block);
5392 696 : input_location = loc;
5393 : }
5394 630 : else if (sym->attr.assign)
5395 : {
5396 64 : loc = input_location;
5397 64 : input_location = gfc_get_location (&sym->declared_at);
5398 64 : gfc_trans_assign_aux_var (sym, block);
5399 64 : input_location = loc;
5400 : }
5401 566 : else if (sym->ts.type == BT_DERIVED
5402 566 : && sym->value
5403 482 : && !sym->attr.data
5404 482 : && sym->attr.save == SAVE_NONE)
5405 : {
5406 463 : gfc_start_block (&tmpblock);
5407 463 : gfc_init_default_dt (sym, &tmpblock, false);
5408 463 : gfc_add_init_cleanup (block, gfc_finish_block (&tmpblock),
5409 : NULL_TREE);
5410 : }
5411 103 : else if (!(UNLIMITED_POLY(sym)) && !is_pdt_type)
5412 0 : gcc_unreachable ();
5413 : }
5414 :
5415 : /* Handle 'omp allocate'. This has to be after the block above as
5416 : gfc_add_init_cleanup (..., init, ...) puts 'init' of later calls
5417 : before earlier calls. The code is a bit more complex as gfortran does
5418 : not really work with bind expressions / BIND_EXPR_VARS properly, i.e.
5419 : gimplify_bind_expr needs some help for placing the GOMP_alloc. Thus,
5420 : we pass on the location of the allocate-assignment expression and,
5421 : if the size is not constant, the size variable if Fortran computes this
5422 : differently. We also might add an expression location after which the
5423 : code has to be added, e.g. for character len expressions, which affect
5424 : the UNIT_SIZE. */
5425 98202 : gfc_expr *last_allocator = NULL;
5426 98202 : if (omp_ns && omp_ns->omp_allocate)
5427 : {
5428 29 : if (!block->init || TREE_CODE (block->init) != STATEMENT_LIST)
5429 : {
5430 22 : tree tmp = build1_v (LABEL_EXPR, gfc_build_label_decl (NULL_TREE));
5431 22 : append_to_statement_list (tmp, &block->init);
5432 : }
5433 29 : if (!block->cleanup || TREE_CODE (block->cleanup) != STATEMENT_LIST)
5434 : {
5435 29 : tree tmp = build1_v (LABEL_EXPR, gfc_build_label_decl (NULL_TREE));
5436 29 : append_to_statement_list (tmp, &block->cleanup);
5437 : }
5438 : }
5439 98202 : tree init_stmtlist = block->init;
5440 98202 : tree cleanup_stmtlist = block->cleanup;
5441 98202 : se.expr = NULL_TREE;
5442 98202 : for (struct gfc_omp_namelist *n = omp_ns ? omp_ns->omp_allocate : NULL;
5443 98257 : n; n = n->next)
5444 : {
5445 55 : tree align = (n->u.align ? gfc_conv_constant_to_tree (n->u.align) : NULL_TREE);
5446 55 : if (last_allocator != n->u2.allocator)
5447 : {
5448 24 : location_t loc = input_location;
5449 24 : gfc_init_se (&se, NULL);
5450 24 : if (n->u2.allocator)
5451 : {
5452 22 : input_location = gfc_get_location (&n->u2.allocator->where);
5453 22 : gfc_conv_expr (&se, n->u2.allocator);
5454 : }
5455 : /* We need to evalulate non-constants - also to find the location
5456 : after which the GOMP_alloc has to be added to - also as BLOCK
5457 : does not yield a new BIND_EXPR_BODY. */
5458 24 : if (n->u2.allocator
5459 : && (!(CONSTANT_CLASS_P (se.expr) && DECL_P (se.expr))
5460 : || se.pre.head || se.post.head))
5461 : {
5462 22 : stmtblock_t tmpblock;
5463 22 : gfc_init_block (&tmpblock);
5464 22 : se.expr = gfc_evaluate_now (se.expr, &tmpblock);
5465 : /* First post then pre because the new code is inserted
5466 : at the top. */
5467 22 : gfc_add_init_cleanup (block, gfc_finish_block (&se.post), NULL);
5468 22 : gfc_add_init_cleanup (block, gfc_finish_block (&tmpblock),
5469 : NULL);
5470 22 : gfc_add_init_cleanup (block, gfc_finish_block (&se.pre), NULL);
5471 : }
5472 24 : last_allocator = n->u2.allocator;
5473 24 : input_location = loc;
5474 : }
5475 55 : if (TREE_STATIC (n->sym->backend_decl))
5476 19 : continue;
5477 : /* 'omp allocate( {purpose: allocator, value: align},
5478 : {purpose: init-stmtlist, value: cleanup-stmtlist},
5479 : {purpose: size-var, value: last-size-expr} )
5480 : where init-stmt/cleanup-stmt is the STATEMENT list to find the
5481 : try-final block; last-size-expr is to find the location after
5482 : which to add the code and 'size-var' is for the proper size, cf.
5483 : gfc_trans_auto_array_allocation - either or both of the latter
5484 : can be NULL. */
5485 36 : tree tmp = lookup_attribute ("omp allocate",
5486 36 : DECL_ATTRIBUTES (n->sym->backend_decl));
5487 36 : tmp = TREE_VALUE (tmp);
5488 36 : TREE_PURPOSE (tmp) = se.expr;
5489 36 : TREE_VALUE (tmp) = align;
5490 36 : TREE_PURPOSE (TREE_CHAIN (tmp)) = init_stmtlist;
5491 36 : TREE_VALUE (TREE_CHAIN (tmp)) = cleanup_stmtlist;
5492 : }
5493 :
5494 98202 : gfc_init_block (&tmpblock);
5495 :
5496 198946 : for (f = gfc_sym_get_dummy_args (proc_sym); f; f = f->next)
5497 : {
5498 100744 : if (f->sym && f->sym->tlink == NULL && f->sym->ts.type == BT_CHARACTER
5499 7770 : && f->sym->ts.u.cl->backend_decl)
5500 : {
5501 7768 : if (TREE_CODE (f->sym->ts.u.cl->backend_decl) == PARM_DECL)
5502 4158 : gfc_trans_vla_type_sizes (f->sym, &tmpblock);
5503 : }
5504 : }
5505 :
5506 101035 : if (gfc_return_by_reference (proc_sym) && proc_sym->ts.type == BT_CHARACTER
5507 99627 : && current_fake_result_decl != NULL)
5508 : {
5509 808 : gcc_assert (proc_sym->ts.u.cl->backend_decl != NULL);
5510 808 : if (TREE_CODE (proc_sym->ts.u.cl->backend_decl) == PARM_DECL)
5511 69 : gfc_trans_vla_type_sizes (proc_sym, &tmpblock);
5512 : }
5513 :
5514 98202 : gfc_add_init_cleanup (block, gfc_finish_block (&tmpblock), NULL_TREE);
5515 98202 : }
5516 :
5517 :
5518 : struct module_hasher : ggc_ptr_hash<module_htab_entry>
5519 : {
5520 : typedef const char *compare_type;
5521 :
5522 26412 : static hashval_t hash (module_htab_entry *s)
5523 : {
5524 26412 : return htab_hash_string (s->name);
5525 : }
5526 :
5527 : static bool
5528 31351 : equal (module_htab_entry *a, const char *b)
5529 : {
5530 31351 : return !strcmp (a->name, b);
5531 : }
5532 : };
5533 :
5534 : static GTY (()) hash_table<module_hasher> *module_htab;
5535 :
5536 : /* Hash and equality functions for module_htab's decls. */
5537 :
5538 : hashval_t
5539 175439 : module_decl_hasher::hash (tree t)
5540 : {
5541 175439 : const_tree n = DECL_NAME (t);
5542 175439 : if (n == NULL_TREE)
5543 25660 : n = TYPE_NAME (TREE_TYPE (t));
5544 175439 : return htab_hash_string (IDENTIFIER_POINTER (n));
5545 : }
5546 :
5547 : bool
5548 182681 : module_decl_hasher::equal (tree t1, const char *x2)
5549 : {
5550 182681 : const_tree n1 = DECL_NAME (t1);
5551 182681 : if (n1 == NULL_TREE)
5552 25949 : n1 = TYPE_NAME (TREE_TYPE (t1));
5553 182681 : return strcmp (IDENTIFIER_POINTER (n1), x2) == 0;
5554 : }
5555 :
5556 : struct module_htab_entry *
5557 29610 : gfc_find_module (const char *name)
5558 : {
5559 29610 : if (! module_htab)
5560 8067 : module_htab = hash_table<module_hasher>::create_ggc (10);
5561 :
5562 29610 : module_htab_entry **slot
5563 29610 : = module_htab->find_slot_with_hash (name, htab_hash_string (name), INSERT);
5564 29610 : if (*slot == NULL)
5565 : {
5566 10289 : module_htab_entry *entry = ggc_cleared_alloc<module_htab_entry> ();
5567 :
5568 10289 : entry->name = gfc_get_string ("%s", name);
5569 10289 : entry->decls = hash_table<module_decl_hasher>::create_ggc (10);
5570 10289 : *slot = entry;
5571 : }
5572 29610 : return *slot;
5573 : }
5574 :
5575 : void
5576 53265 : gfc_module_add_decl (struct module_htab_entry *entry, tree decl)
5577 : {
5578 53265 : const char *name;
5579 :
5580 53265 : if (DECL_NAME (decl))
5581 45292 : name = IDENTIFIER_POINTER (DECL_NAME (decl));
5582 : else
5583 : {
5584 7973 : gcc_assert (TREE_CODE (decl) == TYPE_DECL);
5585 7973 : name = IDENTIFIER_POINTER (TYPE_NAME (TREE_TYPE (decl)));
5586 : }
5587 53265 : tree *slot
5588 53265 : = entry->decls->find_slot_with_hash (name, htab_hash_string (name),
5589 : INSERT);
5590 53265 : if (*slot == NULL)
5591 53253 : *slot = decl;
5592 53265 : }
5593 :
5594 :
5595 : /* Generate debugging symbols for namelists. This function must come after
5596 : generate_local_decl to ensure that the variables in the namelist are
5597 : already declared. */
5598 :
5599 : static tree
5600 743 : generate_namelist_decl (gfc_symbol * sym)
5601 : {
5602 743 : gfc_namelist *nml;
5603 743 : tree decl;
5604 743 : vec<constructor_elt, va_gc> *nml_decls = NULL;
5605 :
5606 743 : gcc_assert (sym->attr.flavor == FL_NAMELIST);
5607 2745 : for (nml = sym->namelist; nml; nml = nml->next)
5608 : {
5609 2002 : if (nml->sym->backend_decl == NULL_TREE)
5610 : {
5611 220 : nml->sym->attr.referenced = 1;
5612 220 : nml->sym->backend_decl = gfc_get_symbol_decl (nml->sym);
5613 : }
5614 2002 : DECL_IGNORED_P (nml->sym->backend_decl) = 0;
5615 2002 : CONSTRUCTOR_APPEND_ELT (nml_decls, NULL_TREE, nml->sym->backend_decl);
5616 : }
5617 :
5618 743 : decl = make_node (NAMELIST_DECL);
5619 743 : TREE_TYPE (decl) = void_type_node;
5620 743 : NAMELIST_DECL_ASSOCIATED_DECL (decl) = build_constructor (NULL_TREE, nml_decls);
5621 743 : DECL_NAME (decl) = get_identifier (sym->name);
5622 743 : return decl;
5623 : }
5624 :
5625 :
5626 : /* Output an initialized decl for a module variable. */
5627 :
5628 : static void
5629 142360 : gfc_create_module_variable (gfc_symbol * sym)
5630 : {
5631 142360 : tree decl;
5632 :
5633 : /* Module functions with alternate entries are dealt with later and
5634 : would get caught by the next condition. */
5635 142360 : if (sym->attr.entry)
5636 : return;
5637 :
5638 : /* Make sure we convert the types of the derived types from iso_c_binding
5639 : into (void *). */
5640 141879 : if (sym->attr.flavor != FL_PROCEDURE && sym->attr.is_iso_c
5641 31284 : && sym->ts.type == BT_DERIVED)
5642 1442 : sym->backend_decl = gfc_typenode_for_spec (&(sym->ts));
5643 :
5644 141879 : if (gfc_fl_struct (sym->attr.flavor)
5645 22871 : && sym->backend_decl
5646 8007 : && TREE_CODE (sym->backend_decl) == RECORD_TYPE)
5647 : {
5648 7973 : decl = sym->backend_decl;
5649 7973 : gcc_assert (sym->ns->proc_name->attr.flavor == FL_MODULE);
5650 :
5651 7973 : if (!sym->attr.use_assoc && !sym->attr.used_in_submodule)
5652 : {
5653 7876 : gcc_assert (TYPE_CONTEXT (decl) == NULL_TREE
5654 : || TYPE_CONTEXT (decl) == sym->ns->proc_name->backend_decl);
5655 7876 : gcc_assert (DECL_CONTEXT (TYPE_STUB_DECL (decl)) == NULL_TREE
5656 : || DECL_CONTEXT (TYPE_STUB_DECL (decl))
5657 : == sym->ns->proc_name->backend_decl);
5658 : }
5659 7973 : TYPE_CONTEXT (decl) = sym->ns->proc_name->backend_decl;
5660 7973 : DECL_CONTEXT (TYPE_STUB_DECL (decl)) = sym->ns->proc_name->backend_decl;
5661 7973 : gfc_module_add_decl (cur_module, TYPE_STUB_DECL (decl));
5662 : }
5663 :
5664 : /* Only output variables, procedure pointers and array valued,
5665 : or derived type, parameters. */
5666 141879 : if (sym->attr.flavor != FL_VARIABLE
5667 119582 : && !(sym->attr.flavor == FL_PARAMETER
5668 39381 : && (sym->attr.dimension || sym->ts.type == BT_DERIVED))
5669 118542 : && !(sym->attr.flavor == FL_PROCEDURE && sym->attr.proc_pointer))
5670 : return;
5671 :
5672 23410 : if ((sym->attr.in_common || sym->attr.in_equivalence) && sym->backend_decl)
5673 : {
5674 461 : decl = sym->backend_decl;
5675 461 : gcc_assert (DECL_FILE_SCOPE_P (decl));
5676 461 : gcc_assert (sym->ns->proc_name->attr.flavor == FL_MODULE);
5677 461 : DECL_CONTEXT (decl) = sym->ns->proc_name->backend_decl;
5678 461 : gfc_module_add_decl (cur_module, decl);
5679 : }
5680 :
5681 : /* Don't generate variables from other modules. Variables from
5682 : COMMONs and Cray pointees will already have been generated. */
5683 23410 : if (sym->attr.use_assoc || sym->attr.used_in_submodule
5684 19706 : || sym->attr.in_common || sym->attr.cray_pointee)
5685 : return;
5686 :
5687 : /* Equivalenced variables arrive here after creation. */
5688 19387 : if (sym->backend_decl
5689 581 : && (sym->equiv_built || sym->attr.in_equivalence))
5690 : return;
5691 :
5692 19300 : if (sym->backend_decl && !sym->attr.vtab && !sym->attr.target)
5693 0 : gfc_internal_error ("backend decl for module variable %qs already exists",
5694 : sym->name);
5695 :
5696 19300 : if (sym->module && !sym->attr.result && !sym->attr.dummy
5697 19300 : && (sym->attr.access == ACCESS_UNKNOWN
5698 3698 : && (sym->ns->default_access == ACCESS_PRIVATE
5699 3408 : || (sym->ns->default_access == ACCESS_UNKNOWN
5700 3394 : && flag_module_private))))
5701 291 : sym->attr.access = ACCESS_PRIVATE;
5702 :
5703 19300 : if (warn_unused_variable && !sym->attr.referenced
5704 138 : && sym->attr.access == ACCESS_PRIVATE)
5705 3 : gfc_warning (OPT_Wunused_value,
5706 : "Unused PRIVATE module variable %qs declared at %L",
5707 : sym->name, &sym->declared_at);
5708 :
5709 : /* We always want module variables to be created. */
5710 19300 : sym->attr.referenced = 1;
5711 : /* Create the decl. */
5712 19300 : decl = gfc_get_symbol_decl (sym);
5713 :
5714 : /* Create the variable. */
5715 19300 : pushdecl (decl);
5716 19300 : gcc_assert (sym->ns->proc_name->attr.flavor == FL_MODULE
5717 : || ((sym->ns->parent->proc_name->attr.flavor == FL_MODULE
5718 : || sym->ns->parent->proc_name->attr.flavor == FL_PROCEDURE)
5719 : && sym->fn_result_spec));
5720 19300 : DECL_CONTEXT (decl) = sym->ns->proc_name->backend_decl;
5721 19300 : rest_of_decl_compilation (decl, 1, 0);
5722 19300 : gfc_module_add_decl (cur_module, decl);
5723 :
5724 : /* Also add length of strings. */
5725 19300 : if (sym->ts.type == BT_CHARACTER)
5726 : {
5727 400 : tree length;
5728 :
5729 400 : length = sym->ts.u.cl->backend_decl;
5730 400 : gcc_assert (length || sym->attr.proc_pointer);
5731 399 : if (length && !INTEGER_CST_P (length))
5732 : {
5733 54 : pushdecl (length);
5734 54 : rest_of_decl_compilation (length, 1, 0);
5735 : }
5736 : }
5737 :
5738 19300 : if (sym->attr.codimension && !sym->attr.dummy && !sym->attr.allocatable
5739 26 : && sym->attr.referenced && !sym->attr.use_assoc)
5740 26 : has_coarray_vars_or_accessors = true;
5741 : }
5742 :
5743 : /* Emit debug information for USE statements. */
5744 :
5745 : static void
5746 93338 : gfc_trans_use_stmts (gfc_namespace * ns)
5747 : {
5748 93338 : gfc_use_list *use_stmt;
5749 104892 : for (use_stmt = ns->use_stmts; use_stmt; use_stmt = use_stmt->next)
5750 : {
5751 11554 : struct module_htab_entry *entry
5752 11554 : = gfc_find_module (use_stmt->module_name);
5753 11554 : gfc_use_rename *rent;
5754 :
5755 11554 : if (entry->namespace_decl == NULL)
5756 : {
5757 1262 : entry->namespace_decl
5758 1262 : = build_decl (input_location,
5759 : NAMESPACE_DECL,
5760 : get_identifier (use_stmt->module_name),
5761 : void_type_node);
5762 1262 : DECL_EXTERNAL (entry->namespace_decl) = 1;
5763 : }
5764 11554 : input_location = gfc_get_location (&use_stmt->where);
5765 11554 : if (!use_stmt->only_flag)
5766 10012 : (*debug_hooks->imported_module_or_decl) (entry->namespace_decl,
5767 : NULL_TREE,
5768 10012 : ns->proc_name->backend_decl,
5769 : false, false);
5770 14146 : for (rent = use_stmt->rename; rent; rent = rent->next)
5771 : {
5772 2592 : tree decl, local_name;
5773 :
5774 2592 : if (rent->op != INTRINSIC_NONE)
5775 104 : continue;
5776 :
5777 2488 : hashval_t hash = htab_hash_string (rent->use_name);
5778 2488 : tree *slot = entry->decls->find_slot_with_hash (rent->use_name, hash,
5779 : INSERT);
5780 2488 : if (*slot == NULL)
5781 : {
5782 1382 : gfc_symtree *st;
5783 :
5784 1382 : st = gfc_find_symtree (ns->sym_root,
5785 1382 : rent->local_name[0]
5786 : ? rent->local_name : rent->use_name);
5787 :
5788 : /* The following can happen if a derived type is renamed. */
5789 1382 : if (!st)
5790 : {
5791 0 : char *name;
5792 0 : name = xstrdup (rent->local_name[0]
5793 : ? rent->local_name : rent->use_name);
5794 0 : name[0] = (char) TOUPPER ((unsigned char) name[0]);
5795 0 : st = gfc_find_symtree (ns->sym_root, name);
5796 0 : free (name);
5797 0 : gcc_assert (st);
5798 : }
5799 :
5800 : /* Sometimes, generic interfaces wind up being over-ruled by a
5801 : local symbol (see PR41062). */
5802 1382 : if (!st->n.sym->attr.use_assoc)
5803 : {
5804 2 : *slot = error_mark_node;
5805 2 : entry->decls->clear_slot (slot);
5806 2 : continue;
5807 : }
5808 :
5809 1380 : if (st->n.sym->backend_decl
5810 163 : && DECL_P (st->n.sym->backend_decl)
5811 163 : && st->n.sym->module
5812 163 : && strcmp (st->n.sym->module, use_stmt->module_name) == 0)
5813 : {
5814 154 : gcc_assert (DECL_EXTERNAL (entry->namespace_decl)
5815 : || !VAR_P (st->n.sym->backend_decl));
5816 154 : decl = copy_node (st->n.sym->backend_decl);
5817 154 : DECL_CONTEXT (decl) = entry->namespace_decl;
5818 154 : DECL_EXTERNAL (decl) = 1;
5819 154 : DECL_IGNORED_P (decl) = 0;
5820 154 : DECL_INITIAL (decl) = NULL_TREE;
5821 : }
5822 1226 : else if (st->n.sym->attr.flavor == FL_NAMELIST
5823 0 : && st->n.sym->attr.use_only
5824 0 : && st->n.sym->module
5825 0 : && strcmp (st->n.sym->module, use_stmt->module_name)
5826 : == 0)
5827 : {
5828 0 : decl = generate_namelist_decl (st->n.sym);
5829 0 : DECL_CONTEXT (decl) = entry->namespace_decl;
5830 0 : DECL_EXTERNAL (decl) = 1;
5831 0 : DECL_IGNORED_P (decl) = 0;
5832 0 : DECL_INITIAL (decl) = NULL_TREE;
5833 : }
5834 : else
5835 : {
5836 1226 : *slot = error_mark_node;
5837 1226 : entry->decls->clear_slot (slot);
5838 1226 : continue;
5839 : }
5840 154 : *slot = decl;
5841 : }
5842 1260 : decl = (tree) *slot;
5843 1260 : if (rent->local_name[0])
5844 198 : local_name = get_identifier (rent->local_name);
5845 : else
5846 : local_name = NULL_TREE;
5847 1260 : input_location = gfc_get_location (&rent->where);
5848 1260 : (*debug_hooks->imported_module_or_decl) (decl, local_name,
5849 1260 : ns->proc_name->backend_decl,
5850 1260 : !use_stmt->only_flag,
5851 : false);
5852 : }
5853 : }
5854 93338 : }
5855 :
5856 :
5857 : /* Return true if expr is a constant initializer that gfc_conv_initializer
5858 : will handle. */
5859 :
5860 : static bool
5861 23147 : check_constant_initializer (gfc_expr *expr, gfc_typespec *ts, bool array,
5862 : bool pointer)
5863 : {
5864 23147 : gfc_constructor *c;
5865 23147 : gfc_component *cm;
5866 :
5867 23147 : if (pointer)
5868 : return true;
5869 23143 : else if (array)
5870 : {
5871 2571 : if (expr->expr_type == EXPR_CONSTANT || expr->expr_type == EXPR_NULL)
5872 : return true;
5873 2543 : else if (expr->expr_type == EXPR_STRUCTURE)
5874 12 : return check_constant_initializer (expr, ts, false, false);
5875 2531 : else if (expr->expr_type != EXPR_ARRAY)
5876 : return false;
5877 2531 : for (c = gfc_constructor_first (expr->value.constructor);
5878 134041 : c; c = gfc_constructor_next (c))
5879 : {
5880 131510 : if (c->iterator)
5881 : return false;
5882 131510 : if (c->expr->expr_type == EXPR_STRUCTURE)
5883 : {
5884 283 : if (!check_constant_initializer (c->expr, ts, false, false))
5885 : return false;
5886 : }
5887 131227 : else if (c->expr->expr_type != EXPR_CONSTANT)
5888 : return false;
5889 : }
5890 : return true;
5891 : }
5892 20572 : else switch (ts->type)
5893 : {
5894 440 : case_bt_struct:
5895 440 : if (expr->expr_type != EXPR_STRUCTURE)
5896 : return false;
5897 440 : cm = expr->ts.u.derived->components;
5898 440 : for (c = gfc_constructor_first (expr->value.constructor);
5899 1003 : c; c = gfc_constructor_next (c), cm = cm->next)
5900 : {
5901 571 : if (!c->expr || cm->attr.allocatable)
5902 14 : continue;
5903 557 : if (!check_constant_initializer (c->expr, &cm->ts,
5904 : cm->attr.dimension,
5905 : cm->attr.pointer))
5906 : return false;
5907 : }
5908 : return true;
5909 20132 : default:
5910 20132 : return expr->expr_type == EXPR_CONSTANT;
5911 : }
5912 : }
5913 :
5914 : /* Emit debug info for parameters and unreferenced variables with
5915 : initializers. */
5916 :
5917 : static void
5918 1199361 : gfc_emit_parameter_debug_info (gfc_symbol *sym)
5919 : {
5920 1199361 : tree decl;
5921 :
5922 1199361 : if (sym->attr.flavor != FL_PARAMETER
5923 953543 : && (sym->attr.flavor != FL_VARIABLE || sym->attr.referenced))
5924 : return;
5925 :
5926 284201 : if (sym->backend_decl != NULL
5927 262396 : || sym->value == NULL
5928 233530 : || sym->attr.use_assoc
5929 22355 : || sym->attr.dummy
5930 22355 : || sym->attr.result
5931 22355 : || sym->attr.function
5932 22355 : || sym->attr.intrinsic
5933 22355 : || sym->attr.pointer
5934 22345 : || sym->attr.allocatable
5935 22345 : || sym->attr.cray_pointee
5936 22345 : || sym->attr.threadprivate
5937 22344 : || sym->attr.is_bind_c
5938 22344 : || sym->attr.subref_array_pointer
5939 22344 : || sym->attr.assign)
5940 : return;
5941 :
5942 22344 : if (sym->ts.type == BT_CHARACTER)
5943 : {
5944 1337 : gfc_conv_const_charlen (sym->ts.u.cl);
5945 1337 : if (sym->ts.u.cl->backend_decl == NULL
5946 1337 : || TREE_CODE (sym->ts.u.cl->backend_decl) != INTEGER_CST)
5947 : return;
5948 : }
5949 21007 : else if (sym->ts.type == BT_DERIVED && sym->ts.u.derived->attr.alloc_comp)
5950 : return;
5951 :
5952 22295 : if (sym->as)
5953 : {
5954 2506 : int n;
5955 :
5956 2506 : if (sym->as->type != AS_EXPLICIT)
5957 : return;
5958 5654 : for (n = 0; n < sym->as->rank; n++)
5959 3148 : if (sym->as->lower[n]->expr_type != EXPR_CONSTANT
5960 3148 : || sym->as->upper[n] == NULL
5961 3148 : || sym->as->upper[n]->expr_type != EXPR_CONSTANT)
5962 : return;
5963 : }
5964 :
5965 22295 : if (!check_constant_initializer (sym->value, &sym->ts,
5966 22295 : sym->attr.dimension, false))
5967 : return;
5968 :
5969 22286 : if (flag_coarray == GFC_FCOARRAY_LIB && sym->attr.codimension)
5970 : return;
5971 :
5972 : /* Create the decl for the variable or constant. */
5973 44572 : decl = build_decl (input_location,
5974 22286 : sym->attr.flavor == FL_PARAMETER ? CONST_DECL : VAR_DECL,
5975 : gfc_sym_identifier (sym), gfc_sym_type (sym));
5976 22286 : if (sym->attr.flavor == FL_PARAMETER)
5977 22057 : TREE_READONLY (decl) = 1;
5978 22286 : gfc_set_decl_location (decl, &sym->declared_at);
5979 22286 : if (sym->attr.dimension)
5980 2506 : GFC_DECL_PACKED_ARRAY (decl) = 1;
5981 22286 : DECL_CONTEXT (decl) = sym->ns->proc_name->backend_decl;
5982 22286 : TREE_STATIC (decl) = 1;
5983 22286 : TREE_USED (decl) = 1;
5984 22286 : if (DECL_CONTEXT (decl) && TREE_CODE (DECL_CONTEXT (decl)) == NAMESPACE_DECL)
5985 2482 : TREE_PUBLIC (decl) = 1;
5986 22286 : DECL_INITIAL (decl) = gfc_conv_initializer (sym->value, &sym->ts,
5987 22286 : TREE_TYPE (decl),
5988 22286 : sym->attr.dimension,
5989 : false, false);
5990 22286 : debug_hooks->early_global_decl (decl);
5991 : }
5992 :
5993 :
5994 : static void
5995 6683 : generate_coarray_sym_init (gfc_symbol *sym)
5996 : {
5997 6683 : tree tmp, size, decl, token, desc;
5998 6683 : bool is_lock_type, is_event_type;
5999 6683 : int reg_type;
6000 6683 : gfc_se se;
6001 6683 : symbol_attribute attr;
6002 :
6003 6683 : if (sym->attr.dummy || sym->attr.allocatable || !sym->attr.codimension
6004 395 : || sym->attr.use_assoc || !sym->attr.referenced
6005 391 : || sym->attr.associate_var
6006 340 : || sym->attr.select_type_temporary)
6007 6343 : return;
6008 :
6009 340 : decl = sym->backend_decl;
6010 340 : TREE_USED(decl) = 1;
6011 340 : gcc_assert (GFC_ARRAY_TYPE_P (TREE_TYPE (decl)));
6012 :
6013 680 : is_lock_type = sym->ts.type == BT_DERIVED
6014 152 : && sym->ts.u.derived->from_intmod == INTMOD_ISO_FORTRAN_ENV
6015 374 : && sym->ts.u.derived->intmod_sym_id == ISOFORTRAN_LOCK_TYPE;
6016 :
6017 680 : is_event_type = sym->ts.type == BT_DERIVED
6018 152 : && sym->ts.u.derived->from_intmod == INTMOD_ISO_FORTRAN_ENV
6019 374 : && sym->ts.u.derived->intmod_sym_id == ISOFORTRAN_EVENT_TYPE;
6020 :
6021 : /* FIXME: Workaround for PR middle-end/49106, cf. also PR middle-end/49108
6022 : to make sure the variable is not optimized away. */
6023 340 : DECL_PRESERVE_P (DECL_CONTEXT (decl)) = 1;
6024 :
6025 : /* For lock types, we pass the array size as only the library knows the
6026 : size of the variable. */
6027 340 : if (is_lock_type || is_event_type)
6028 34 : size = gfc_index_one_node;
6029 : else
6030 306 : size = TYPE_SIZE_UNIT (gfc_get_element_type (TREE_TYPE (decl)));
6031 :
6032 : /* Ensure that we do not have size=0 for zero-sized arrays. */
6033 340 : size = fold_build2_loc (input_location, MAX_EXPR, size_type_node,
6034 : fold_convert (size_type_node, size),
6035 : build_int_cst (size_type_node, 1));
6036 :
6037 340 : if (GFC_TYPE_ARRAY_RANK (TREE_TYPE (decl)))
6038 : {
6039 109 : tmp = GFC_TYPE_ARRAY_SIZE (TREE_TYPE (decl));
6040 109 : size = fold_build2_loc (input_location, MULT_EXPR, size_type_node,
6041 : fold_convert (size_type_node, tmp), size);
6042 : }
6043 :
6044 340 : gcc_assert (GFC_TYPE_ARRAY_CAF_TOKEN (TREE_TYPE (decl)) != NULL_TREE);
6045 1020 : token = gfc_build_addr_expr (ppvoid_type_node,
6046 340 : GFC_TYPE_ARRAY_CAF_TOKEN (TREE_TYPE(decl)));
6047 340 : if (is_lock_type)
6048 29 : reg_type = sym->attr.artificial ? GFC_CAF_CRITICAL : GFC_CAF_LOCK_STATIC;
6049 311 : else if (is_event_type)
6050 : reg_type = GFC_CAF_EVENT_STATIC;
6051 : else
6052 306 : reg_type = GFC_CAF_COARRAY_STATIC;
6053 :
6054 : /* Compile the symbol attribute. */
6055 340 : if (sym->ts.type == BT_CLASS)
6056 : {
6057 0 : attr = CLASS_DATA (sym)->attr;
6058 : /* The pointer attribute is always set on classes, overwrite it with the
6059 : class_pointer attribute, which denotes the pointer for classes. */
6060 0 : attr.pointer = attr.class_pointer;
6061 : }
6062 : else
6063 340 : attr = sym->attr;
6064 340 : gfc_init_se (&se, NULL);
6065 340 : desc = gfc_conv_scalar_to_descriptor (&se, decl, attr);
6066 340 : gfc_add_block_to_block (&caf_init_block, &se.pre);
6067 :
6068 340 : tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_register, 7, size,
6069 340 : build_int_cst (integer_type_node, reg_type),
6070 : token, gfc_build_addr_expr (pvoid_type_node, desc),
6071 : null_pointer_node, /* stat. */
6072 : null_pointer_node, /* errgmsg. */
6073 : build_zero_cst (size_type_node)); /* errmsg_len. */
6074 340 : gfc_add_expr_to_block (&caf_init_block, tmp);
6075 340 : gfc_add_modify (&caf_init_block, decl, fold_convert (TREE_TYPE (decl),
6076 : gfc_conv_descriptor_data_get (desc)));
6077 :
6078 : /* Handle "static" initializer. */
6079 340 : if (sym->value)
6080 : {
6081 106 : if (sym->value->expr_type == EXPR_ARRAY)
6082 : {
6083 12 : gfc_constructor *c, *cnext;
6084 :
6085 : /* Test if the array has more than one element. */
6086 12 : c = gfc_constructor_first (sym->value->value.constructor);
6087 12 : gcc_assert (c); /* Empty constructor should not happen here. */
6088 12 : cnext = gfc_constructor_next (c);
6089 :
6090 12 : if (cnext)
6091 : {
6092 : /* An EXPR_ARRAY with a rank > 1 here has to come from a
6093 : DATA statement. Set its rank here as not to confuse
6094 : the following steps. */
6095 11 : sym->value->rank = 1;
6096 : }
6097 : else
6098 : {
6099 : /* There is only a single value in the constructor, use
6100 : it directly for the assignment. */
6101 1 : gfc_expr *new_expr;
6102 1 : new_expr = gfc_copy_expr (c->expr);
6103 1 : gfc_free_expr (sym->value);
6104 1 : sym->value = new_expr;
6105 : }
6106 : }
6107 :
6108 106 : sym->attr.pointer = 1;
6109 106 : tmp = gfc_trans_assignment (gfc_lval_expr_from_sym (sym), sym->value,
6110 : true, false);
6111 106 : sym->attr.pointer = 0;
6112 106 : gfc_add_expr_to_block (&caf_init_block, tmp);
6113 : }
6114 234 : else if (sym->ts.type == BT_DERIVED && sym->ts.u.derived->attr.pointer_comp)
6115 : {
6116 32 : tmp = gfc_nullify_alloc_comp (sym->ts.u.derived, decl, sym->as
6117 : ? sym->as->rank : 0,
6118 : GFC_STRUCTURE_CAF_MODE_IN_COARRAY);
6119 32 : gfc_add_expr_to_block (&caf_init_block, tmp);
6120 : }
6121 : }
6122 :
6123 : struct caf_accessor
6124 : {
6125 : struct caf_accessor *next;
6126 : gfc_expr *hash, *fdecl;
6127 : };
6128 :
6129 : static struct caf_accessor *caf_accessor_head = NULL;
6130 :
6131 : void
6132 1488 : gfc_add_caf_accessor (gfc_expr *h, gfc_expr *f)
6133 : {
6134 1488 : struct caf_accessor *n = XCNEW (struct caf_accessor);
6135 1488 : n->next = caf_accessor_head;
6136 1488 : n->hash = h;
6137 1488 : n->fdecl = f;
6138 1488 : caf_accessor_head = n;
6139 1488 : }
6140 :
6141 : void
6142 459 : create_caf_accessor_register (stmtblock_t *block)
6143 : {
6144 459 : gfc_se se;
6145 459 : tree hash, fdecl;
6146 459 : gfc_init_se (&se, NULL);
6147 1887 : for (struct caf_accessor *curr = caf_accessor_head; curr;)
6148 : {
6149 1428 : gfc_conv_expr (&se, curr->hash);
6150 1428 : hash = se.expr;
6151 1428 : gfc_conv_expr (&se, curr->fdecl);
6152 1428 : fdecl = se.expr;
6153 1428 : TREE_USED (fdecl) = 1;
6154 1428 : TREE_STATIC (fdecl) = 1;
6155 1428 : gcc_assert (FUNCTION_POINTER_TYPE_P (TREE_TYPE (fdecl)));
6156 1428 : gfc_add_expr_to_block (
6157 : block, build_call_expr (gfor_fndecl_caf_register_accessor, 2, hash,
6158 : /*gfc_build_addr_expr (NULL_TREE,*/ fdecl));
6159 1428 : curr = curr->next;
6160 1428 : free (caf_accessor_head);
6161 1428 : caf_accessor_head = curr;
6162 : }
6163 459 : gfc_add_expr_to_block (
6164 : block, build_call_expr (gfor_fndecl_caf_register_accessors_finish, 0));
6165 459 : }
6166 :
6167 : /* Generate constructor function to initialize static, nonallocatable
6168 : coarrays. */
6169 :
6170 : static void
6171 459 : generate_coarray_init (gfc_namespace *ns)
6172 : {
6173 459 : tree fndecl, tmp, decl, save_fn_decl;
6174 :
6175 459 : save_fn_decl = current_function_decl;
6176 459 : push_function_context ();
6177 :
6178 459 : tmp = build_function_type_list (void_type_node, NULL_TREE);
6179 459 : fndecl = build_decl (input_location, FUNCTION_DECL,
6180 : create_tmp_var_name ("_caf_init"), tmp);
6181 :
6182 459 : DECL_STATIC_CONSTRUCTOR (fndecl) = 1;
6183 459 : SET_DECL_INIT_PRIORITY (fndecl, DEFAULT_INIT_PRIORITY);
6184 :
6185 459 : decl = build_decl (input_location, RESULT_DECL, NULL_TREE, void_type_node);
6186 459 : DECL_ARTIFICIAL (decl) = 1;
6187 459 : DECL_IGNORED_P (decl) = 1;
6188 459 : DECL_CONTEXT (decl) = fndecl;
6189 459 : DECL_RESULT (fndecl) = decl;
6190 :
6191 459 : pushdecl (fndecl);
6192 459 : current_function_decl = fndecl;
6193 459 : announce_function (fndecl);
6194 :
6195 459 : rest_of_decl_compilation (fndecl, 0, 0);
6196 459 : make_decl_rtl (fndecl);
6197 459 : allocate_struct_function (fndecl, false);
6198 :
6199 459 : pushlevel ();
6200 459 : gfc_init_block (&caf_init_block);
6201 :
6202 459 : create_caf_accessor_register (&caf_init_block);
6203 :
6204 459 : gfc_traverse_ns (ns, generate_coarray_sym_init);
6205 :
6206 459 : DECL_SAVED_TREE (fndecl) = gfc_finish_block (&caf_init_block);
6207 459 : decl = getdecls ();
6208 :
6209 459 : poplevel (1, 1);
6210 459 : BLOCK_SUPERCONTEXT (DECL_INITIAL (fndecl)) = fndecl;
6211 :
6212 918 : DECL_SAVED_TREE (fndecl)
6213 918 : = fold_build3_loc (DECL_SOURCE_LOCATION (fndecl), BIND_EXPR, void_type_node,
6214 918 : decl, DECL_SAVED_TREE (fndecl), DECL_INITIAL (fndecl));
6215 459 : dump_function (TDI_original, fndecl);
6216 :
6217 459 : cfun->function_end_locus = input_location;
6218 459 : set_cfun (NULL);
6219 :
6220 459 : if (decl_function_context (fndecl))
6221 441 : (void) cgraph_node::create (fndecl);
6222 : else
6223 18 : cgraph_node::finalize_function (fndecl, true);
6224 :
6225 459 : pop_function_context ();
6226 459 : current_function_decl = save_fn_decl;
6227 459 : }
6228 :
6229 :
6230 : static void
6231 142360 : create_module_nml_decl (gfc_symbol *sym)
6232 : {
6233 142360 : if (sym->attr.flavor == FL_NAMELIST)
6234 : {
6235 45 : tree decl = generate_namelist_decl (sym);
6236 45 : pushdecl (decl);
6237 45 : gcc_assert (sym->ns->proc_name->attr.flavor == FL_MODULE);
6238 45 : DECL_CONTEXT (decl) = sym->ns->proc_name->backend_decl;
6239 45 : rest_of_decl_compilation (decl, 1, 0);
6240 45 : gfc_module_add_decl (cur_module, decl);
6241 : }
6242 142360 : }
6243 :
6244 : static void
6245 265920 : gfc_handle_omp_declare_variant (gfc_symbol * sym)
6246 : {
6247 265920 : if (sym->attr.external
6248 86114 : && sym->formal_ns
6249 82284 : && sym->formal_ns->omp_declare_variant)
6250 : {
6251 26 : gfc_namespace *ns = gfc_current_ns;
6252 26 : gfc_current_ns = sym->ns;
6253 26 : gfc_get_symbol_decl (sym);
6254 26 : gfc_current_ns = ns;
6255 : }
6256 265920 : }
6257 :
6258 : /* Generate all the required code for module variables. */
6259 :
6260 : void
6261 9027 : gfc_generate_module_vars (gfc_namespace * ns)
6262 : {
6263 9027 : module_namespace = ns;
6264 9027 : cur_module = gfc_find_module (ns->proc_name->name);
6265 :
6266 : /* Check if the frontend left the namespace in a reasonable state. */
6267 9027 : gcc_assert (ns->proc_name && !ns->proc_name->tlink);
6268 :
6269 : /* Generate COMMON blocks. */
6270 9027 : gfc_trans_common (ns);
6271 :
6272 9027 : has_coarray_vars_or_accessors = caf_accessor_head != NULL;
6273 :
6274 : /* Create decls for all the module variables. */
6275 9027 : gfc_traverse_ns (ns, gfc_create_module_variable);
6276 9027 : gfc_traverse_ns (ns, create_module_nml_decl);
6277 :
6278 9027 : if (flag_coarray == GFC_FCOARRAY_LIB && has_coarray_vars_or_accessors)
6279 18 : generate_coarray_init (ns);
6280 :
6281 : /* For OpenMP, ensure that declare variant in INTERFACE is is processed
6282 : especially as some late diagnostic is only done on tree level. */
6283 9027 : if (flag_openmp)
6284 1071 : gfc_traverse_ns (ns, gfc_handle_omp_declare_variant);
6285 :
6286 9027 : cur_module = NULL;
6287 :
6288 9027 : gfc_trans_use_stmts (ns);
6289 9027 : gfc_traverse_ns (ns, gfc_emit_parameter_debug_info);
6290 9027 : }
6291 :
6292 :
6293 : static void
6294 84311 : gfc_generate_contained_functions (gfc_namespace * parent)
6295 : {
6296 84311 : gfc_namespace *ns;
6297 :
6298 : /* We create all the prototypes before generating any code. */
6299 107213 : for (ns = parent->contained; ns; ns = ns->sibling)
6300 : {
6301 : /* Skip namespaces from used modules. */
6302 22902 : if (ns->parent != parent)
6303 0 : continue;
6304 :
6305 22902 : gfc_create_function_decl (ns, false);
6306 : }
6307 :
6308 107213 : for (ns = parent->contained; ns; ns = ns->sibling)
6309 : {
6310 : /* Skip namespaces from used modules. */
6311 22902 : if (ns->parent != parent)
6312 0 : continue;
6313 :
6314 22902 : gfc_generate_function_code (ns);
6315 : }
6316 84311 : }
6317 :
6318 :
6319 : /* Drill down through expressions for the array specification bounds and
6320 : character length calling generate_local_decl for all those variables
6321 : that have not already been declared. */
6322 :
6323 : static void
6324 : generate_local_decl (gfc_symbol *);
6325 :
6326 : /* Traverse expr, marking all EXPR_VARIABLE symbols referenced. */
6327 :
6328 : static bool
6329 113176 : expr_decls (gfc_expr *e, gfc_symbol *sym,
6330 : int *f ATTRIBUTE_UNUSED)
6331 : {
6332 113176 : if (e->expr_type != EXPR_VARIABLE
6333 7897 : || sym == e->symtree->n.sym
6334 7884 : || e->symtree->n.sym->mark
6335 744 : || e->symtree->n.sym->ns != sym->ns)
6336 : return false;
6337 :
6338 744 : generate_local_decl (e->symtree->n.sym);
6339 744 : return false;
6340 : }
6341 :
6342 : static void
6343 150804 : generate_expr_decls (gfc_symbol *sym, gfc_expr *e)
6344 : {
6345 0 : gfc_traverse_expr (e, sym, expr_decls, 0);
6346 1058 : }
6347 :
6348 :
6349 : /* Check for dependencies in the character length and array spec. */
6350 :
6351 : static void
6352 193665 : generate_dependency_declarations (gfc_symbol *sym)
6353 : {
6354 193665 : int i;
6355 :
6356 193665 : if (sym->ts.type == BT_CHARACTER
6357 17290 : && sym->ts.u.cl
6358 17290 : && sym->ts.u.cl->length
6359 14196 : && sym->ts.u.cl->length->expr_type != EXPR_CONSTANT)
6360 1058 : generate_expr_decls (sym, sym->ts.u.cl->length);
6361 :
6362 193665 : if (sym->as && sym->as->rank)
6363 : {
6364 126657 : for (i = 0; i < sym->as->rank; i++)
6365 : {
6366 74873 : generate_expr_decls (sym, sym->as->lower[i]);
6367 74873 : generate_expr_decls (sym, sym->as->upper[i]);
6368 : }
6369 : }
6370 193665 : }
6371 :
6372 :
6373 : /* Generate decls for all local variables. We do this to ensure correct
6374 : handling of expressions which only appear in the specification of
6375 : other functions. */
6376 :
6377 : static void
6378 1082777 : generate_local_decl (gfc_symbol * sym)
6379 : {
6380 1082777 : if (sym->attr.flavor == FL_VARIABLE)
6381 : {
6382 287650 : if (sym->attr.codimension && !sym->attr.dummy && !sym->attr.allocatable
6383 581 : && sym->attr.referenced && !sym->attr.use_assoc)
6384 531 : has_coarray_vars_or_accessors = true;
6385 :
6386 287650 : if (!sym->attr.dummy && !sym->ns->proc_name->attr.entry_master)
6387 193665 : generate_dependency_declarations (sym);
6388 :
6389 287650 : if (sym->attr.ext_attr & (1 << EXT_ATTR_WEAK))
6390 : {
6391 2 : if (sym->attr.dummy)
6392 1 : gfc_error ("Symbol %qs at %L has the WEAK attribute but is a "
6393 : "dummy argument", sym->name, &sym->declared_at);
6394 : else
6395 1 : gfc_error ("Symbol %qs at %L has the WEAK attribute but is a "
6396 : "local variable", sym->name, &sym->declared_at);
6397 : }
6398 :
6399 287650 : if (sym->attr.referenced)
6400 253444 : gfc_get_symbol_decl (sym);
6401 :
6402 : /* Warnings for unused dummy arguments. */
6403 34206 : else if (sym->attr.dummy && !sym->attr.in_namelist)
6404 : {
6405 : /* INTENT(out) dummy arguments are likely meant to be set. */
6406 6543 : if (warn_unused_dummy_argument && sym->attr.intent == INTENT_OUT)
6407 : {
6408 9 : if (sym->ts.type != BT_DERIVED)
6409 6 : gfc_warning (OPT_Wunused_dummy_argument,
6410 : "Dummy argument %qs at %L was declared "
6411 : "INTENT(OUT) but was not set", sym->name,
6412 : &sym->declared_at);
6413 3 : else if (!gfc_has_default_initializer (sym->ts.u.derived)
6414 3 : && !sym->ts.u.derived->attr.zero_comp)
6415 1 : gfc_warning (OPT_Wunused_dummy_argument,
6416 : "Derived-type dummy argument %qs at %L was "
6417 : "declared INTENT(OUT) but was not set and "
6418 : "does not have a default initializer",
6419 : sym->name, &sym->declared_at);
6420 9 : if (sym->backend_decl != NULL_TREE)
6421 9 : suppress_warning (sym->backend_decl);
6422 : }
6423 6534 : else if (warn_unused_dummy_argument)
6424 : {
6425 12 : if (!sym->attr.artificial)
6426 4 : gfc_warning (OPT_Wunused_dummy_argument,
6427 : "Unused dummy argument %qs at %L", sym->name,
6428 : &sym->declared_at);
6429 :
6430 12 : if (sym->backend_decl != NULL_TREE)
6431 4 : suppress_warning (sym->backend_decl);
6432 : }
6433 : }
6434 :
6435 : /* Warn for unused variables, but not if they're inside a common
6436 : block or a namelist. */
6437 27663 : else if (warn_unused_variable
6438 45 : && !(sym->attr.in_common || sym->mark || sym->attr.in_namelist))
6439 : {
6440 43 : if (sym->attr.use_only)
6441 : {
6442 1 : gfc_warning (OPT_Wunused_variable,
6443 : "Unused module variable %qs which has been "
6444 : "explicitly imported at %L", sym->name,
6445 : &sym->declared_at);
6446 1 : if (sym->backend_decl != NULL_TREE)
6447 0 : suppress_warning (sym->backend_decl);
6448 : }
6449 42 : else if (!sym->attr.use_assoc)
6450 : {
6451 : /* Corner case: the symbol may be an entry point. At this point,
6452 : it may appear to be an unused variable. Suppress warning. */
6453 8 : bool enter = false;
6454 8 : gfc_entry_list *el;
6455 :
6456 14 : for (el = sym->ns->entries; el; el=el->next)
6457 6 : if (strcmp(sym->name, el->sym->name) == 0)
6458 2 : enter = true;
6459 :
6460 8 : if (!enter)
6461 6 : gfc_warning (OPT_Wunused_variable,
6462 : "Unused variable %qs declared at %L",
6463 : sym->name, &sym->declared_at);
6464 8 : if (sym->backend_decl != NULL_TREE)
6465 0 : suppress_warning (sym->backend_decl);
6466 : }
6467 : }
6468 :
6469 : /* For variable length CHARACTER parameters, the PARM_DECL already
6470 : references the length variable, so force gfc_get_symbol_decl
6471 : even when not referenced. If optimize > 0, it will be optimized
6472 : away anyway. But do this only after emitting -Wunused-parameter
6473 : warning if requested. */
6474 287650 : if (sym->attr.dummy && !sym->attr.referenced
6475 6546 : && sym->ts.type == BT_CHARACTER
6476 815 : && sym->ts.u.cl->backend_decl != NULL
6477 810 : && VAR_P (sym->ts.u.cl->backend_decl))
6478 : {
6479 6 : sym->attr.referenced = 1;
6480 6 : gfc_get_symbol_decl (sym);
6481 : }
6482 :
6483 : /* INTENT(out) dummy arguments and result variables with allocatable
6484 : components are reset by default and need to be set referenced to
6485 : generate the code for nullification and automatic lengths. */
6486 287650 : if (!sym->attr.referenced
6487 34200 : && sym->ts.type == BT_DERIVED
6488 20349 : && sym->ts.u.derived->attr.alloc_comp
6489 1606 : && !sym->attr.pointer
6490 1605 : && ((sym->attr.dummy && sym->attr.intent == INTENT_OUT)
6491 1569 : ||
6492 1569 : (sym->attr.result && sym != sym->result)))
6493 : {
6494 36 : sym->attr.referenced = 1;
6495 36 : gfc_get_symbol_decl (sym);
6496 : }
6497 :
6498 : /* Check for dependencies in the array specification and string
6499 : length, adding the necessary declarations to the function. We
6500 : mark the symbol now, as well as in traverse_ns, to prevent
6501 : getting stuck in a circular dependency. */
6502 287650 : sym->mark = 1;
6503 : }
6504 795127 : else if (sym->attr.flavor == FL_PARAMETER)
6505 : {
6506 206517 : if (warn_unused_parameter
6507 488 : && !sym->attr.referenced)
6508 : {
6509 431 : if (!sym->attr.use_assoc)
6510 4 : gfc_warning (OPT_Wunused_parameter,
6511 : "Unused parameter %qs declared at %L", sym->name,
6512 : &sym->declared_at);
6513 427 : else if (sym->attr.use_only)
6514 1 : gfc_warning (OPT_Wunused_parameter,
6515 : "Unused parameter %qs which has been explicitly "
6516 : "imported at %L", sym->name, &sym->declared_at);
6517 : }
6518 :
6519 206517 : if (sym->ns && sym->ns->construct_entities)
6520 : {
6521 : /* Construction of the intrinsic modules within a BLOCK
6522 : construct, where ONLY and RENAMED entities are included,
6523 : seems to be bogus. This is a workaround that can be removed
6524 : if someone ever takes on the task to creating full-fledge
6525 : modules. See PR 69455. */
6526 78 : if (sym->attr.referenced
6527 78 : && sym->from_intmod != INTMOD_ISO_C_BINDING
6528 54 : && sym->from_intmod != INTMOD_ISO_FORTRAN_ENV)
6529 26 : gfc_get_symbol_decl (sym);
6530 78 : sym->mark = 1;
6531 : }
6532 : }
6533 588610 : else if (sym->attr.flavor == FL_PROCEDURE)
6534 : {
6535 : /* TODO: move to the appropriate place in resolve.cc. */
6536 489298 : if (warn_return_type > 0
6537 4704 : && sym->attr.function
6538 3430 : && sym->result
6539 3222 : && sym != sym->result
6540 444 : && !sym->result->attr.referenced
6541 36 : && !sym->attr.use_assoc
6542 23 : && sym->attr.if_source != IFSRC_IFBODY)
6543 : {
6544 23 : gfc_warning (OPT_Wreturn_type,
6545 : "Return value %qs of function %qs declared at "
6546 : "%L not set", sym->result->name, sym->name,
6547 : &sym->result->declared_at);
6548 :
6549 : /* Prevents "Unused variable" warning for RESULT variables. */
6550 23 : sym->result->mark = 1;
6551 : }
6552 : }
6553 :
6554 1082777 : if (sym->attr.dummy == 1)
6555 : {
6556 : /* The tree type for scalar character dummy arguments of BIND(C)
6557 : procedures, if they are passed by value, should be unsigned char.
6558 : The value attribute implies the dummy is a scalar. */
6559 100740 : if (sym->attr.value == 1 && sym->backend_decl != NULL
6560 8351 : && sym->ts.type == BT_CHARACTER && sym->ts.is_c_interop
6561 254 : && sym->ns->proc_name != NULL && sym->ns->proc_name->attr.is_bind_c)
6562 : {
6563 : /* We used to modify the tree here. Now it is done earlier in
6564 : the front-end, so we only check it here to avoid regressions. */
6565 242 : gcc_assert (TREE_CODE (TREE_TYPE (sym->backend_decl)) == INTEGER_TYPE);
6566 242 : gcc_assert (TYPE_UNSIGNED (TREE_TYPE (sym->backend_decl)) == 1);
6567 242 : gcc_assert (TYPE_PRECISION (TREE_TYPE (sym->backend_decl)) == CHAR_TYPE_SIZE);
6568 242 : gcc_assert (DECL_BY_REFERENCE (sym->backend_decl) == 0);
6569 : }
6570 :
6571 : /* Unused procedure passed as dummy argument. */
6572 100740 : if (sym->attr.flavor == FL_PROCEDURE)
6573 : {
6574 901 : if (!sym->attr.referenced && !sym->attr.artificial)
6575 : {
6576 58 : if (warn_unused_dummy_argument)
6577 2 : gfc_warning (OPT_Wunused_dummy_argument,
6578 : "Unused dummy argument %qs at %L", sym->name,
6579 : &sym->declared_at);
6580 : }
6581 :
6582 : /* Silence bogus "unused parameter" warnings from the
6583 : middle end. */
6584 901 : if (sym->backend_decl != NULL_TREE)
6585 900 : suppress_warning (sym->backend_decl);
6586 : }
6587 : }
6588 :
6589 : /* Make sure we convert the types of the derived types from iso_c_binding
6590 : into (void *). */
6591 1082777 : if (sym->attr.flavor != FL_PROCEDURE && sym->attr.is_iso_c
6592 79602 : && sym->ts.type == BT_DERIVED)
6593 3367 : sym->backend_decl = gfc_typenode_for_spec (&(sym->ts));
6594 1082777 : }
6595 :
6596 :
6597 : static void
6598 1082784 : generate_local_nml_decl (gfc_symbol * sym)
6599 : {
6600 1082784 : if (sym->attr.flavor == FL_NAMELIST && !sym->attr.use_assoc)
6601 : {
6602 698 : tree decl = generate_namelist_decl (sym);
6603 698 : pushdecl (decl);
6604 : }
6605 1082784 : }
6606 :
6607 :
6608 : static void
6609 98202 : generate_local_vars (gfc_namespace * ns)
6610 : {
6611 98202 : gfc_traverse_ns (ns, generate_local_decl);
6612 98202 : gfc_traverse_ns (ns, generate_local_nml_decl);
6613 98202 : }
6614 :
6615 :
6616 : /* Generate a switch statement to jump to the correct entry point. Also
6617 : creates the label decls for the entry points. */
6618 :
6619 : static tree
6620 634 : gfc_trans_entry_master_switch (gfc_entry_list * el)
6621 : {
6622 634 : stmtblock_t block;
6623 634 : tree label;
6624 634 : tree tmp;
6625 634 : tree val;
6626 :
6627 634 : gfc_init_block (&block);
6628 2613 : for (; el; el = el->next)
6629 : {
6630 : /* Add the case label. */
6631 1345 : label = gfc_build_label_decl (NULL_TREE);
6632 1345 : val = build_int_cst (gfc_array_index_type, el->id);
6633 1345 : tmp = build_case_label (val, NULL_TREE, label);
6634 1345 : gfc_add_expr_to_block (&block, tmp);
6635 :
6636 : /* And jump to the actual entry point. */
6637 1345 : label = gfc_build_label_decl (NULL_TREE);
6638 1345 : tmp = build1_v (GOTO_EXPR, label);
6639 1345 : gfc_add_expr_to_block (&block, tmp);
6640 :
6641 : /* Save the label decl. */
6642 1345 : el->label = label;
6643 : }
6644 634 : tmp = gfc_finish_block (&block);
6645 : /* The first argument selects the entry point. */
6646 634 : val = DECL_ARGUMENTS (current_function_decl);
6647 634 : tmp = fold_build2_loc (input_location, SWITCH_EXPR, NULL_TREE, val, tmp);
6648 634 : return tmp;
6649 : }
6650 :
6651 :
6652 : /* Add code to string lengths of actual arguments passed to a function against
6653 : the expected lengths of the dummy arguments. */
6654 :
6655 : static void
6656 2809 : add_argument_checking (stmtblock_t *block, gfc_symbol *sym)
6657 : {
6658 2809 : gfc_formal_arglist *formal;
6659 :
6660 5513 : for (formal = gfc_sym_get_dummy_args (sym); formal; formal = formal->next)
6661 2704 : if (formal->sym && formal->sym->ts.type == BT_CHARACTER
6662 604 : && !formal->sym->ts.deferred)
6663 : {
6664 554 : enum tree_code comparison;
6665 554 : tree cond;
6666 554 : tree argname;
6667 554 : gfc_symbol *fsym;
6668 554 : gfc_charlen *cl;
6669 554 : const char *message;
6670 :
6671 554 : fsym = formal->sym;
6672 554 : cl = fsym->ts.u.cl;
6673 :
6674 554 : gcc_assert (cl);
6675 554 : gcc_assert (cl->passed_length != NULL_TREE);
6676 554 : gcc_assert (cl->backend_decl != NULL_TREE);
6677 :
6678 : /* For POINTER, ALLOCATABLE and assumed-shape dummy arguments, the
6679 : string lengths must match exactly. Otherwise, it is only required
6680 : that the actual string length is *at least* the expected one.
6681 : Sequence association allows for a mismatch of the string length
6682 : if the actual argument is (part of) an array, but only if the
6683 : dummy argument is an array. (See "Sequence association" in
6684 : Section 12.4.1.4 for F95 and 12.4.1.5 for F2003.) */
6685 554 : if (fsym->attr.pointer || fsym->attr.allocatable
6686 446 : || (fsym->as && (fsym->as->type == AS_ASSUMED_SHAPE
6687 33 : || fsym->as->type == AS_ASSUMED_RANK)))
6688 : {
6689 196 : comparison = NE_EXPR;
6690 196 : message = _("Actual string length does not match the declared one"
6691 : " for dummy argument '%s' (%ld/%ld)");
6692 : }
6693 358 : else if ((fsym->as && fsym->as->rank != 0) || fsym->attr.artificial)
6694 33 : continue;
6695 : else
6696 : {
6697 325 : comparison = LT_EXPR;
6698 325 : message = _("Actual string length is shorter than the declared one"
6699 : " for dummy argument '%s' (%ld/%ld)");
6700 : }
6701 :
6702 : /* Build the condition. For optional arguments, an actual length
6703 : of 0 is also acceptable if the associated string is NULL, which
6704 : means the argument was not passed. */
6705 521 : cond = fold_build2_loc (input_location, comparison, logical_type_node,
6706 : cl->passed_length, cl->backend_decl);
6707 521 : if (fsym->attr.optional)
6708 : {
6709 45 : tree not_absent;
6710 45 : tree not_0length;
6711 45 : tree absent_failed;
6712 :
6713 45 : not_0length = fold_build2_loc (input_location, NE_EXPR,
6714 : logical_type_node,
6715 : cl->passed_length,
6716 : build_zero_cst
6717 45 : (TREE_TYPE (cl->passed_length)));
6718 : /* The symbol needs to be referenced for gfc_get_symbol_decl. */
6719 45 : fsym->attr.referenced = 1;
6720 45 : not_absent = gfc_conv_expr_present (fsym);
6721 :
6722 45 : absent_failed = fold_build2_loc (input_location, TRUTH_OR_EXPR,
6723 : logical_type_node, not_0length,
6724 : not_absent);
6725 :
6726 45 : cond = fold_build2_loc (input_location, TRUTH_AND_EXPR,
6727 : logical_type_node, cond, absent_failed);
6728 : }
6729 :
6730 : /* Build the runtime check. */
6731 521 : argname = gfc_build_cstring_const (fsym->name);
6732 521 : argname = gfc_build_addr_expr (pchar_type_node, argname);
6733 521 : gfc_trans_runtime_check (true, false, cond, block, &fsym->declared_at,
6734 : message, argname,
6735 : fold_convert (long_integer_type_node,
6736 : cl->passed_length),
6737 : fold_convert (long_integer_type_node,
6738 : cl->backend_decl));
6739 : }
6740 2809 : }
6741 :
6742 :
6743 : static void
6744 26085 : create_main_function (tree fndecl)
6745 : {
6746 26085 : tree old_context;
6747 26085 : tree ftn_main;
6748 26085 : tree tmp, decl, result_decl, argc, argv, typelist, arglist;
6749 26085 : stmtblock_t body;
6750 :
6751 26085 : old_context = current_function_decl;
6752 :
6753 26085 : if (old_context)
6754 : {
6755 0 : push_function_context ();
6756 0 : saved_parent_function_decls = saved_function_decls;
6757 0 : saved_function_decls = NULL_TREE;
6758 : }
6759 :
6760 : /* main() function must be declared with global scope. */
6761 26085 : gcc_assert (current_function_decl == NULL_TREE);
6762 :
6763 : /* Declare the function. */
6764 26085 : tmp = build_function_type_list (integer_type_node, integer_type_node,
6765 : build_pointer_type (pchar_type_node),
6766 : NULL_TREE);
6767 26085 : main_identifier_node = get_identifier ("main");
6768 26085 : ftn_main = build_decl (input_location, FUNCTION_DECL,
6769 : main_identifier_node, tmp);
6770 26085 : DECL_EXTERNAL (ftn_main) = 0;
6771 26085 : TREE_PUBLIC (ftn_main) = 1;
6772 26085 : TREE_STATIC (ftn_main) = 1;
6773 26085 : DECL_ATTRIBUTES (ftn_main)
6774 26085 : = tree_cons (get_identifier("externally_visible"), NULL_TREE, NULL_TREE);
6775 :
6776 : /* Setup the result declaration (for "return 0"). */
6777 26085 : result_decl = build_decl (input_location,
6778 : RESULT_DECL, NULL_TREE, integer_type_node);
6779 26085 : DECL_ARTIFICIAL (result_decl) = 1;
6780 26085 : DECL_IGNORED_P (result_decl) = 1;
6781 26085 : DECL_CONTEXT (result_decl) = ftn_main;
6782 26085 : DECL_RESULT (ftn_main) = result_decl;
6783 :
6784 26085 : pushdecl (ftn_main);
6785 :
6786 : /* Get the arguments. */
6787 :
6788 26085 : arglist = NULL_TREE;
6789 26085 : typelist = TYPE_ARG_TYPES (TREE_TYPE (ftn_main));
6790 :
6791 26085 : tmp = TREE_VALUE (typelist);
6792 26085 : argc = build_decl (input_location, PARM_DECL, get_identifier ("argc"), tmp);
6793 26085 : DECL_CONTEXT (argc) = ftn_main;
6794 26085 : DECL_ARG_TYPE (argc) = TREE_VALUE (typelist);
6795 26085 : TREE_READONLY (argc) = 1;
6796 26085 : gfc_finish_decl (argc);
6797 26085 : arglist = chainon (arglist, argc);
6798 :
6799 26085 : typelist = TREE_CHAIN (typelist);
6800 26085 : tmp = TREE_VALUE (typelist);
6801 26085 : argv = build_decl (input_location, PARM_DECL, get_identifier ("argv"), tmp);
6802 26085 : DECL_CONTEXT (argv) = ftn_main;
6803 26085 : DECL_ARG_TYPE (argv) = TREE_VALUE (typelist);
6804 26085 : TREE_READONLY (argv) = 1;
6805 26085 : DECL_BY_REFERENCE (argv) = 1;
6806 26085 : gfc_finish_decl (argv);
6807 26085 : arglist = chainon (arglist, argv);
6808 :
6809 26085 : DECL_ARGUMENTS (ftn_main) = arglist;
6810 26085 : current_function_decl = ftn_main;
6811 26085 : announce_function (ftn_main);
6812 :
6813 26085 : rest_of_decl_compilation (ftn_main, 1, 0);
6814 26085 : make_decl_rtl (ftn_main);
6815 26085 : allocate_struct_function (ftn_main, false);
6816 26085 : pushlevel ();
6817 :
6818 26085 : gfc_init_block (&body);
6819 :
6820 : /* Call some libgfortran initialization routines, call then MAIN__(). */
6821 :
6822 : /* Call _gfortran_caf_init (*argc, ***argv). */
6823 26085 : if (flag_coarray == GFC_FCOARRAY_LIB)
6824 : {
6825 396 : tree pint_type, pppchar_type;
6826 396 : pint_type = build_pointer_type (integer_type_node);
6827 396 : pppchar_type
6828 396 : = build_pointer_type (build_pointer_type (pchar_type_node));
6829 :
6830 396 : tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_init, 2,
6831 : gfc_build_addr_expr (pint_type, argc),
6832 : gfc_build_addr_expr (pppchar_type, argv));
6833 396 : gfc_add_expr_to_block (&body, tmp);
6834 : }
6835 :
6836 : /* Call _gfortran_set_args (argc, argv). */
6837 26085 : TREE_USED (argc) = 1;
6838 26085 : TREE_USED (argv) = 1;
6839 26085 : tmp = build_call_expr_loc (input_location,
6840 : gfor_fndecl_set_args, 2, argc, argv);
6841 26085 : gfc_add_expr_to_block (&body, tmp);
6842 :
6843 : /* Add a call to set_options to set up the runtime library Fortran
6844 : language standard parameters. */
6845 26085 : {
6846 26085 : tree array_type, array, var;
6847 26085 : vec<constructor_elt, va_gc> *v = NULL;
6848 26085 : static const int noptions = 7;
6849 :
6850 : /* Passing a new option to the library requires three modifications:
6851 : + add it to the tree_cons list below
6852 : + change the noptions variable above
6853 : + modify the library (runtime/compile_options.c)! */
6854 :
6855 26085 : CONSTRUCTOR_APPEND_ELT (v, NULL_TREE,
6856 : build_int_cst (integer_type_node,
6857 : gfc_option.warn_std));
6858 26085 : CONSTRUCTOR_APPEND_ELT (v, NULL_TREE,
6859 : build_int_cst (integer_type_node,
6860 : gfc_option.allow_std));
6861 26085 : CONSTRUCTOR_APPEND_ELT (v, NULL_TREE,
6862 : build_int_cst (integer_type_node, pedantic));
6863 26085 : CONSTRUCTOR_APPEND_ELT (v, NULL_TREE,
6864 : build_int_cst (integer_type_node, flag_backtrace));
6865 26085 : CONSTRUCTOR_APPEND_ELT (v, NULL_TREE,
6866 : build_int_cst (integer_type_node, flag_sign_zero));
6867 26085 : CONSTRUCTOR_APPEND_ELT (v, NULL_TREE,
6868 : build_int_cst (integer_type_node,
6869 : (gfc_option.rtcheck
6870 : & GFC_RTCHECK_BOUNDS)));
6871 26085 : CONSTRUCTOR_APPEND_ELT (v, NULL_TREE,
6872 : build_int_cst (integer_type_node,
6873 : gfc_option.fpe_summary));
6874 :
6875 26085 : array_type = build_array_type_nelts (integer_type_node, noptions);
6876 26085 : array = build_constructor (array_type, v);
6877 26085 : TREE_CONSTANT (array) = 1;
6878 26085 : TREE_STATIC (array) = 1;
6879 :
6880 : /* Create a static variable to hold the jump table. */
6881 26085 : var = build_decl (input_location, VAR_DECL,
6882 : create_tmp_var_name ("options"), array_type);
6883 26085 : DECL_ARTIFICIAL (var) = 1;
6884 26085 : DECL_IGNORED_P (var) = 1;
6885 26085 : TREE_CONSTANT (var) = 1;
6886 26085 : TREE_STATIC (var) = 1;
6887 26085 : TREE_READONLY (var) = 1;
6888 26085 : DECL_INITIAL (var) = array;
6889 26085 : pushdecl (var);
6890 26085 : var = gfc_build_addr_expr (build_pointer_type (integer_type_node), var);
6891 :
6892 26085 : tmp = build_call_expr_loc (input_location,
6893 : gfor_fndecl_set_options, 2,
6894 : build_int_cst (integer_type_node, noptions), var);
6895 26085 : gfc_add_expr_to_block (&body, tmp);
6896 : }
6897 :
6898 : /* If -ffpe-trap option was provided, add a call to set_fpe so that
6899 : the library will raise a FPE when needed. */
6900 26085 : if (gfc_option.fpe != 0)
6901 : {
6902 6 : tmp = build_call_expr_loc (input_location,
6903 : gfor_fndecl_set_fpe, 1,
6904 : build_int_cst (integer_type_node,
6905 6 : gfc_option.fpe));
6906 6 : gfc_add_expr_to_block (&body, tmp);
6907 : }
6908 :
6909 : /* If this is the main program and an -fconvert option was provided,
6910 : add a call to set_convert. */
6911 :
6912 26085 : if (flag_convert != GFC_FLAG_CONVERT_NATIVE)
6913 : {
6914 12 : tmp = build_call_expr_loc (input_location,
6915 : gfor_fndecl_set_convert, 1,
6916 12 : build_int_cst (integer_type_node, flag_convert));
6917 12 : gfc_add_expr_to_block (&body, tmp);
6918 : }
6919 :
6920 : /* If this is the main program and an -frecord-marker option was provided,
6921 : add a call to set_record_marker. */
6922 :
6923 26085 : if (flag_record_marker != 0)
6924 : {
6925 18 : tmp = build_call_expr_loc (input_location,
6926 : gfor_fndecl_set_record_marker, 1,
6927 : build_int_cst (integer_type_node,
6928 18 : flag_record_marker));
6929 18 : gfc_add_expr_to_block (&body, tmp);
6930 : }
6931 :
6932 26085 : if (flag_max_subrecord_length != 0)
6933 : {
6934 6 : tmp = build_call_expr_loc (input_location,
6935 : gfor_fndecl_set_max_subrecord_length, 1,
6936 : build_int_cst (integer_type_node,
6937 6 : flag_max_subrecord_length));
6938 6 : gfc_add_expr_to_block (&body, tmp);
6939 : }
6940 :
6941 : /* Call MAIN__(). */
6942 26085 : tmp = build_call_expr_loc (input_location,
6943 : fndecl, 0);
6944 26085 : gfc_add_expr_to_block (&body, tmp);
6945 :
6946 : /* Mark MAIN__ as used. */
6947 26085 : TREE_USED (fndecl) = 1;
6948 :
6949 : /* Coarray: Call _gfortran_caf_finalize(void). */
6950 26085 : if (flag_coarray == GFC_FCOARRAY_LIB)
6951 : {
6952 396 : tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_finalize, 0);
6953 396 : gfc_add_expr_to_block (&body, tmp);
6954 : }
6955 :
6956 : /* "return 0". */
6957 26085 : tmp = fold_build2_loc (input_location, MODIFY_EXPR, integer_type_node,
6958 26085 : DECL_RESULT (ftn_main),
6959 : integer_zero_node);
6960 26085 : tmp = build1_v (RETURN_EXPR, tmp);
6961 26085 : gfc_add_expr_to_block (&body, tmp);
6962 :
6963 :
6964 26085 : DECL_SAVED_TREE (ftn_main) = gfc_finish_block (&body);
6965 26085 : decl = getdecls ();
6966 :
6967 : /* Finish off this function and send it for code generation. */
6968 26085 : poplevel (1, 1);
6969 26085 : BLOCK_SUPERCONTEXT (DECL_INITIAL (ftn_main)) = ftn_main;
6970 :
6971 52170 : DECL_SAVED_TREE (ftn_main)
6972 52170 : = fold_build3_loc (DECL_SOURCE_LOCATION (ftn_main), BIND_EXPR,
6973 26085 : void_type_node, decl, DECL_SAVED_TREE (ftn_main),
6974 26085 : DECL_INITIAL (ftn_main));
6975 :
6976 : /* Output the GENERIC tree. */
6977 26085 : dump_function (TDI_original, ftn_main);
6978 :
6979 26085 : cgraph_node::finalize_function (ftn_main, true);
6980 :
6981 26085 : if (old_context)
6982 : {
6983 0 : pop_function_context ();
6984 0 : saved_function_decls = saved_parent_function_decls;
6985 : }
6986 26085 : current_function_decl = old_context;
6987 26085 : }
6988 :
6989 :
6990 : /* Generate an appropriate return-statement for a procedure. */
6991 :
6992 : tree
6993 14950 : gfc_generate_return (void)
6994 : {
6995 14950 : gfc_symbol* sym;
6996 14950 : tree result;
6997 14950 : tree fndecl;
6998 :
6999 14950 : sym = current_procedure_symbol;
7000 14950 : fndecl = sym->backend_decl;
7001 :
7002 14950 : if (TREE_TYPE (DECL_RESULT (fndecl)) == void_type_node)
7003 : result = NULL_TREE;
7004 : else
7005 : {
7006 12698 : result = get_proc_result (sym);
7007 :
7008 : /* Set the return value to the dummy result variable. The
7009 : types may be different for scalar default REAL functions
7010 : with -ff2c, therefore we have to convert. */
7011 12698 : if (result != NULL_TREE)
7012 : {
7013 12687 : result = convert (TREE_TYPE (DECL_RESULT (fndecl)), result);
7014 25374 : result = fold_build2_loc (input_location, MODIFY_EXPR,
7015 12687 : TREE_TYPE (result), DECL_RESULT (fndecl),
7016 : result);
7017 : }
7018 : else
7019 : {
7020 : /* If the function does not have a result variable, result is
7021 : NULL_TREE, and a 'return' is generated without a variable.
7022 : The following generates a 'return __result_XXX' where XXX is
7023 : the function name. */
7024 11 : if (sym == sym->result && sym->attr.function && !flag_f2c)
7025 : {
7026 8 : result = gfc_get_fake_result_decl (sym, 0);
7027 16 : result = fold_build2_loc (input_location, MODIFY_EXPR,
7028 8 : TREE_TYPE (result),
7029 8 : DECL_RESULT (fndecl), result);
7030 : }
7031 : }
7032 : }
7033 :
7034 14950 : return build1_v (RETURN_EXPR, result);
7035 : }
7036 :
7037 :
7038 : static void
7039 1052304 : is_from_ieee_module (gfc_symbol *sym)
7040 : {
7041 1052304 : if (sym->from_intmod == INTMOD_IEEE_FEATURES
7042 : || sym->from_intmod == INTMOD_IEEE_EXCEPTIONS
7043 1052304 : || sym->from_intmod == INTMOD_IEEE_ARITHMETIC)
7044 121760 : seen_ieee_symbol = 1;
7045 1052304 : }
7046 :
7047 :
7048 : static int
7049 84311 : is_ieee_module_used (gfc_namespace *ns)
7050 : {
7051 84311 : seen_ieee_symbol = 0;
7052 0 : gfc_traverse_ns (ns, is_from_ieee_module);
7053 84311 : return seen_ieee_symbol;
7054 : }
7055 :
7056 :
7057 : static gfc_omp_clauses *module_oacc_clauses;
7058 :
7059 :
7060 : static void
7061 146 : add_clause (gfc_symbol *sym, gfc_omp_map_op map_op)
7062 : {
7063 146 : gfc_omp_namelist *n;
7064 :
7065 146 : n = gfc_get_omp_namelist ();
7066 146 : n->sym = sym;
7067 146 : n->where = sym->declared_at;
7068 146 : n->u.map.op = map_op;
7069 :
7070 146 : if (!module_oacc_clauses)
7071 124 : module_oacc_clauses = gfc_get_omp_clauses ();
7072 :
7073 146 : if (module_oacc_clauses->lists[OMP_LIST_MAP])
7074 22 : n->next = module_oacc_clauses->lists[OMP_LIST_MAP];
7075 :
7076 146 : module_oacc_clauses->lists[OMP_LIST_MAP] = n;
7077 146 : }
7078 :
7079 :
7080 : static void
7081 1082784 : find_module_oacc_declare_clauses (gfc_symbol *sym)
7082 : {
7083 1082784 : if (sym->attr.use_assoc)
7084 : {
7085 508312 : gfc_omp_map_op map_op;
7086 :
7087 508312 : if (sym->attr.oacc_declare_create)
7088 508312 : map_op = OMP_MAP_FORCE_ALLOC;
7089 :
7090 508312 : if (sym->attr.oacc_declare_copyin)
7091 2 : map_op = OMP_MAP_FORCE_TO;
7092 :
7093 508312 : if (sym->attr.oacc_declare_deviceptr)
7094 0 : map_op = OMP_MAP_FORCE_DEVICEPTR;
7095 :
7096 508312 : if (sym->attr.oacc_declare_device_resident)
7097 34 : map_op = OMP_MAP_DEVICE_RESIDENT;
7098 :
7099 508312 : if (sym->attr.oacc_declare_create
7100 508202 : || sym->attr.oacc_declare_copyin
7101 508200 : || sym->attr.oacc_declare_deviceptr
7102 508200 : || sym->attr.oacc_declare_device_resident)
7103 : {
7104 146 : sym->attr.referenced = 1;
7105 146 : add_clause (sym, map_op);
7106 : }
7107 : }
7108 1082784 : }
7109 :
7110 :
7111 : void
7112 98202 : finish_oacc_declare (gfc_namespace *ns, gfc_symbol *sym, bool block)
7113 : {
7114 98202 : gfc_code *code;
7115 98202 : gfc_oacc_declare *oc;
7116 98202 : locus where;
7117 98202 : gfc_omp_clauses *omp_clauses = NULL;
7118 98202 : gfc_omp_namelist *n, *p;
7119 98202 : module_oacc_clauses = NULL;
7120 :
7121 98202 : gfc_locus_from_location (&where, input_location);
7122 98202 : gfc_traverse_ns (ns, find_module_oacc_declare_clauses);
7123 :
7124 98202 : if (module_oacc_clauses && sym->attr.flavor == FL_PROGRAM)
7125 : {
7126 45 : gfc_oacc_declare *new_oc;
7127 :
7128 45 : new_oc = gfc_get_oacc_declare ();
7129 45 : new_oc->next = ns->oacc_declare;
7130 45 : new_oc->clauses = module_oacc_clauses;
7131 :
7132 45 : ns->oacc_declare = new_oc;
7133 : }
7134 :
7135 98202 : if (!ns->oacc_declare)
7136 : return;
7137 :
7138 190 : for (oc = ns->oacc_declare; oc; oc = oc->next)
7139 : {
7140 101 : if (oc->module_var)
7141 0 : continue;
7142 :
7143 101 : if (block)
7144 2 : gfc_error ("Sorry, !$ACC DECLARE at %L is not allowed "
7145 : "in BLOCK construct", &oc->loc);
7146 :
7147 :
7148 101 : if (oc->clauses && oc->clauses->lists[OMP_LIST_MAP])
7149 : {
7150 88 : if (omp_clauses == NULL)
7151 : {
7152 76 : omp_clauses = oc->clauses;
7153 76 : continue;
7154 : }
7155 :
7156 48 : for (n = oc->clauses->lists[OMP_LIST_MAP]; n; p = n, n = n->next)
7157 : ;
7158 :
7159 12 : gcc_assert (p->next == NULL);
7160 :
7161 12 : p->next = omp_clauses->lists[OMP_LIST_MAP];
7162 12 : omp_clauses = oc->clauses;
7163 : }
7164 : }
7165 :
7166 89 : if (!omp_clauses)
7167 : return;
7168 :
7169 212 : for (n = omp_clauses->lists[OMP_LIST_MAP]; n; n = n->next)
7170 : {
7171 136 : switch (n->u.map.op)
7172 : {
7173 27 : case OMP_MAP_DEVICE_RESIDENT:
7174 27 : n->u.map.op = OMP_MAP_FORCE_ALLOC;
7175 27 : break;
7176 :
7177 : default:
7178 : break;
7179 : }
7180 : }
7181 :
7182 76 : code = XCNEW (gfc_code);
7183 76 : code->op = EXEC_OACC_DECLARE;
7184 76 : code->loc = where;
7185 :
7186 76 : code->ext.oacc_declare = gfc_get_oacc_declare ();
7187 76 : code->ext.oacc_declare->clauses = omp_clauses;
7188 :
7189 76 : code->block = XCNEW (gfc_code);
7190 76 : code->block->op = EXEC_OACC_DECLARE;
7191 76 : code->block->loc = where;
7192 :
7193 76 : if (ns->code)
7194 73 : code->block->next = ns->code;
7195 :
7196 76 : ns->code = code;
7197 :
7198 76 : return;
7199 : }
7200 :
7201 : static void
7202 1819 : gfc_conv_cfi_to_gfc (stmtblock_t *init, stmtblock_t *finally,
7203 : tree cfi_desc, tree gfc_desc, gfc_symbol *sym)
7204 : {
7205 1819 : stmtblock_t block;
7206 1819 : gfc_init_block (&block);
7207 1819 : tree cfi = build_fold_indirect_ref_loc (input_location, cfi_desc);
7208 1819 : tree idx, etype, tmp, tmp2, size_var = NULL_TREE, rank = NULL_TREE;
7209 1819 : bool do_copy_inout = false;
7210 :
7211 : /* When allocatable + intent out, free the cfi descriptor. */
7212 1819 : if (sym->attr.allocatable && sym->attr.intent == INTENT_OUT)
7213 : {
7214 54 : tmp = gfc_get_cfi_desc_base_addr (cfi);
7215 54 : tree call = builtin_decl_explicit (BUILT_IN_FREE);
7216 54 : call = build_call_expr_loc (input_location, call, 1, tmp);
7217 54 : gfc_add_expr_to_block (&block, fold_convert (void_type_node, call));
7218 54 : gfc_add_modify (&block, tmp,
7219 54 : fold_convert (TREE_TYPE (tmp), null_pointer_node));
7220 : }
7221 :
7222 : /* -fcheck=bound: Do version, rank, attribute, type and is-NULL checks. */
7223 1819 : if (gfc_option.rtcheck & GFC_RTCHECK_BOUNDS)
7224 : {
7225 654 : char *msg;
7226 654 : tree tmp3;
7227 654 : msg = xasprintf ("Unexpected version %%d (expected %d) in CFI descriptor "
7228 : "passed to dummy argument %s", CFI_VERSION, sym->name);
7229 654 : tmp2 = gfc_get_cfi_desc_version (cfi);
7230 654 : tmp = fold_build2_loc (input_location, NE_EXPR, boolean_type_node, tmp2,
7231 654 : build_int_cst (TREE_TYPE (tmp2), CFI_VERSION));
7232 654 : gfc_trans_runtime_check (true, false, tmp, &block, &sym->declared_at,
7233 : msg, tmp2);
7234 654 : free (msg);
7235 :
7236 : /* Rank check; however, for character(len=*), assumed/explicit-size arrays
7237 : are permitted to differ in rank according to the Fortran rules. */
7238 654 : if (sym->as && sym->as->type != AS_ASSUMED_SIZE
7239 546 : && sym->as->type != AS_EXPLICIT)
7240 : {
7241 438 : if (sym->as->rank != -1)
7242 222 : msg = xasprintf ("Invalid rank %%d (expected %d) in CFI descriptor "
7243 : "passed to dummy argument %s", sym->as->rank,
7244 : sym->name);
7245 : else
7246 216 : msg = xasprintf ("Invalid rank %%d (expected 0..%d) in CFI "
7247 : "descriptor passed to dummy argument %s",
7248 : CFI_MAX_RANK, sym->name);
7249 :
7250 438 : tmp3 = tmp2 = tmp = gfc_get_cfi_desc_rank (cfi);
7251 438 : if (sym->as->rank != -1)
7252 222 : tmp = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
7253 : tmp, build_int_cst (signed_char_type_node,
7254 222 : sym->as->rank));
7255 : else
7256 : {
7257 216 : tmp = fold_build2_loc (input_location, LT_EXPR, boolean_type_node,
7258 216 : tmp, build_zero_cst (TREE_TYPE (tmp)));
7259 216 : tmp2 = fold_build2_loc (input_location, GT_EXPR,
7260 : boolean_type_node, tmp2,
7261 216 : build_int_cst (TREE_TYPE (tmp2),
7262 : CFI_MAX_RANK));
7263 216 : tmp = fold_build2_loc (input_location, TRUTH_AND_EXPR,
7264 : boolean_type_node, tmp, tmp2);
7265 : }
7266 438 : gfc_trans_runtime_check (true, false, tmp, &block, &sym->declared_at,
7267 : msg, tmp3);
7268 438 : free (msg);
7269 : }
7270 :
7271 654 : tmp3 = tmp = gfc_get_cfi_desc_attribute (cfi);
7272 654 : if (sym->attr.allocatable || sym->attr.pointer)
7273 : {
7274 6 : int attr = (sym->attr.pointer ? CFI_attribute_pointer
7275 : : CFI_attribute_allocatable);
7276 12 : msg = xasprintf ("Invalid attribute %%d (expected %d) in CFI "
7277 : "descriptor passed to dummy argument %s with %s "
7278 : "attribute", attr, sym->name,
7279 : sym->attr.pointer ? "pointer" : "allocatable");
7280 6 : tmp = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
7281 6 : tmp, build_int_cst (TREE_TYPE (tmp), attr));
7282 6 : }
7283 : else
7284 : {
7285 648 : int amin = MIN (CFI_attribute_pointer,
7286 : MIN (CFI_attribute_allocatable, CFI_attribute_other));
7287 648 : int amax = MAX (CFI_attribute_pointer,
7288 : MAX (CFI_attribute_allocatable, CFI_attribute_other));
7289 648 : msg = xasprintf ("Invalid attribute %%d (expected %d..%d) in CFI "
7290 : "descriptor passed to nonallocatable, nonpointer "
7291 : "dummy argument %s", amin, amax, sym->name);
7292 648 : tmp2 = tmp;
7293 648 : tmp = fold_build2_loc (input_location, LT_EXPR, boolean_type_node, tmp,
7294 648 : build_int_cst (TREE_TYPE (tmp), amin));
7295 648 : tmp2 = fold_build2_loc (input_location, GT_EXPR, boolean_type_node, tmp2,
7296 648 : build_int_cst (TREE_TYPE (tmp2), amax));
7297 648 : tmp = fold_build2_loc (input_location, TRUTH_AND_EXPR,
7298 : boolean_type_node, tmp, tmp2);
7299 648 : gfc_trans_runtime_check (true, false, tmp, &block, &sym->declared_at,
7300 : msg, tmp3);
7301 648 : free (msg);
7302 648 : msg = xasprintf ("Invalid unallocatated/unassociated CFI "
7303 : "descriptor passed to nonallocatable, nonpointer "
7304 : "dummy argument %s", sym->name);
7305 648 : tmp3 = tmp = gfc_get_cfi_desc_base_addr (cfi),
7306 648 : tmp = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node,
7307 : tmp, null_pointer_node);
7308 : }
7309 654 : gfc_trans_runtime_check (true, false, tmp, &block, &sym->declared_at,
7310 : msg, tmp3);
7311 654 : free (msg);
7312 :
7313 654 : if (sym->ts.type != BT_ASSUMED)
7314 : {
7315 654 : int type = CFI_type_other;
7316 654 : if (sym->ts.f90_type == BT_VOID)
7317 : {
7318 0 : type = (sym->ts.u.derived->intmod_sym_id == ISOCBINDING_FUNPTR
7319 0 : ? CFI_type_cfunptr : CFI_type_cptr);
7320 : }
7321 : else
7322 654 : switch (sym->ts.type)
7323 : {
7324 6 : case BT_INTEGER:
7325 6 : case BT_LOGICAL:
7326 6 : case BT_REAL:
7327 6 : case BT_COMPLEX:
7328 6 : type = CFI_type_from_type_kind (sym->ts.type, sym->ts.kind);
7329 6 : break;
7330 648 : case BT_CHARACTER:
7331 648 : type = CFI_type_from_type_kind (CFI_type_Character,
7332 : sym->ts.kind);
7333 648 : break;
7334 0 : case BT_DERIVED:
7335 0 : type = CFI_type_struct;
7336 0 : break;
7337 0 : case BT_VOID:
7338 0 : type = (sym->ts.u.derived->intmod_sym_id == ISOCBINDING_FUNPTR
7339 0 : ? CFI_type_cfunptr : CFI_type_cptr);
7340 : break;
7341 :
7342 0 : case BT_UNSIGNED:
7343 0 : gfc_internal_error ("Unsigned not yet implemented");
7344 :
7345 0 : case BT_ASSUMED:
7346 0 : case BT_CLASS:
7347 0 : case BT_PROCEDURE:
7348 0 : case BT_HOLLERITH:
7349 0 : case BT_UNION:
7350 0 : case BT_BOZ:
7351 0 : case BT_UNKNOWN:
7352 0 : gcc_unreachable ();
7353 : }
7354 654 : msg = xasprintf ("Unexpected type %%d (expected %d) in CFI descriptor"
7355 : " passed to dummy argument %s", type, sym->name);
7356 654 : tmp2 = tmp = gfc_get_cfi_desc_type (cfi);
7357 654 : tmp = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
7358 654 : tmp, build_int_cst (TREE_TYPE (tmp), type));
7359 654 : gfc_trans_runtime_check (true, false, tmp, &block, &sym->declared_at,
7360 : msg, tmp2);
7361 654 : free (msg);
7362 : }
7363 : }
7364 :
7365 1819 : if (!sym->attr.referenced)
7366 72 : goto done;
7367 :
7368 : /* Set string length for len=* and len=:, otherwise, it is already set. */
7369 1747 : if (sym->ts.type == BT_CHARACTER && !sym->ts.u.cl->length)
7370 : {
7371 647 : tmp = fold_convert (gfc_array_index_type,
7372 : gfc_get_cfi_desc_elem_len (cfi));
7373 647 : if (sym->ts.kind != 1)
7374 197 : tmp = fold_build2_loc (input_location, TRUNC_DIV_EXPR,
7375 : gfc_array_index_type, tmp,
7376 : build_int_cst (gfc_charlen_type_node,
7377 197 : sym->ts.kind));
7378 647 : gfc_add_modify (&block, sym->ts.u.cl->backend_decl, tmp);
7379 : }
7380 :
7381 1747 : if (sym->ts.type == BT_CHARACTER
7382 1020 : && !INTEGER_CST_P (sym->ts.u.cl->backend_decl))
7383 : {
7384 804 : gfc_conv_string_length (sym->ts.u.cl, NULL, &block);
7385 804 : gfc_trans_vla_type_sizes (sym, &block);
7386 : }
7387 :
7388 : /* gfc->data = cfi->base_addr - or for scalars: gfc = cfi->base_addr.
7389 : assumed-size/explicit-size arrays end up here for character(len=*)
7390 : only. */
7391 1747 : if (!sym->attr.dimension || !GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (gfc_desc)))
7392 : {
7393 418 : tmp = gfc_get_cfi_desc_base_addr (cfi);
7394 418 : gfc_add_modify (&block, gfc_desc,
7395 418 : fold_convert (TREE_TYPE (gfc_desc), tmp));
7396 418 : if (!sym->attr.dimension)
7397 164 : goto done;
7398 : }
7399 :
7400 1583 : if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (gfc_desc)))
7401 : {
7402 : /* gfc->dtype = ... (from declaration, not from cfi). */
7403 1329 : etype = gfc_get_element_type (TREE_TYPE (gfc_desc));
7404 1329 : gfc_add_modify (&block, gfc_conv_descriptor_dtype (gfc_desc),
7405 1329 : gfc_get_dtype_rank_type (sym->as->rank, etype));
7406 : /* gfc->data = cfi->base_addr. */
7407 1329 : gfc_conv_descriptor_data_set (&block, gfc_desc,
7408 : gfc_get_cfi_desc_base_addr (cfi));
7409 : }
7410 :
7411 1583 : if (sym->ts.type == BT_ASSUMED)
7412 : {
7413 : /* For type(*), take elem_len + dtype.type from the actual argument. */
7414 19 : gfc_add_modify (&block, gfc_conv_descriptor_elem_len (gfc_desc),
7415 : gfc_get_cfi_desc_elem_len (cfi));
7416 19 : tree cond;
7417 19 : tree ctype = gfc_get_cfi_desc_type (cfi);
7418 19 : ctype = fold_build2_loc (input_location, BIT_AND_EXPR, TREE_TYPE (ctype),
7419 19 : ctype, build_int_cst (TREE_TYPE (ctype),
7420 : CFI_type_mask));
7421 19 : tree type = gfc_conv_descriptor_type (gfc_desc);
7422 :
7423 : /* if (CFI_type_cptr) BT_VOID else BT_UNKNOWN */
7424 : /* Note: BT_VOID is could also be CFI_type_funcptr, but assume c_ptr. */
7425 19 : cond = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node, ctype,
7426 19 : build_int_cst (TREE_TYPE (ctype), CFI_type_cptr));
7427 19 : tmp = fold_build2_loc (input_location, MODIFY_EXPR, void_type_node, type,
7428 19 : build_int_cst (TREE_TYPE (type), BT_VOID));
7429 19 : tmp2 = fold_build2_loc (input_location, MODIFY_EXPR, void_type_node,
7430 : type,
7431 19 : build_int_cst (TREE_TYPE (type), BT_UNKNOWN));
7432 19 : tmp2 = fold_build3_loc (input_location, COND_EXPR, void_type_node, cond,
7433 : tmp, tmp2);
7434 : /* if (CFI_type_struct) BT_DERIVED else < tmp2 > */
7435 19 : cond = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node, ctype,
7436 19 : build_int_cst (TREE_TYPE (ctype),
7437 : CFI_type_struct));
7438 19 : tmp = fold_build2_loc (input_location, MODIFY_EXPR, void_type_node, type,
7439 19 : build_int_cst (TREE_TYPE (type), BT_DERIVED));
7440 19 : tmp2 = fold_build3_loc (input_location, COND_EXPR, void_type_node, cond,
7441 : tmp, tmp2);
7442 : /* if (CFI_type_Character) BT_CHARACTER else < tmp2 > */
7443 : /* Note: this is kind=1, CFI_type_ucs4_char is handled in the 'else if'
7444 : before (see below, as generated bottom up). */
7445 19 : cond = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node, ctype,
7446 19 : build_int_cst (TREE_TYPE (ctype),
7447 : CFI_type_Character));
7448 19 : tmp = fold_build2_loc (input_location, MODIFY_EXPR, void_type_node, type,
7449 19 : build_int_cst (TREE_TYPE (type), BT_CHARACTER));
7450 19 : tmp2 = fold_build3_loc (input_location, COND_EXPR, void_type_node, cond,
7451 : tmp, tmp2);
7452 : /* if (CFI_type_ucs4_char) BT_CHARACTER else < tmp2 > */
7453 : /* Note: gfc->elem_len = cfi->elem_len/4. */
7454 : /* However, assuming that CFI_type_ucs4_char cannot be recovered, leave
7455 : gfc->elem_len == cfi->elem_len, which helps with operations which use
7456 : sizeof() in Fortran and cfi->elem_len in C. */
7457 19 : tmp = gfc_get_cfi_desc_type (cfi);
7458 19 : cond = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node, tmp,
7459 19 : build_int_cst (TREE_TYPE (tmp),
7460 : CFI_type_ucs4_char));
7461 19 : tmp = fold_build2_loc (input_location, MODIFY_EXPR, void_type_node, type,
7462 19 : build_int_cst (TREE_TYPE (type), BT_CHARACTER));
7463 19 : tmp2 = fold_build3_loc (input_location, COND_EXPR, void_type_node, cond,
7464 : tmp, tmp2);
7465 : /* if (CFI_type_Complex) BT_COMPLEX + cfi->elem_len/2 else < tmp2 > */
7466 19 : cond = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node, ctype,
7467 19 : build_int_cst (TREE_TYPE (ctype),
7468 : CFI_type_Complex));
7469 19 : tmp = fold_build2_loc (input_location, MODIFY_EXPR, void_type_node, type,
7470 19 : build_int_cst (TREE_TYPE (type), BT_COMPLEX));
7471 19 : tmp2 = fold_build3_loc (input_location, COND_EXPR, void_type_node, cond,
7472 : tmp, tmp2);
7473 : /* if (CFI_type_Integer || CFI_type_Logical || CFI_type_Real)
7474 : ctype else <tmp2> */
7475 19 : cond = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node, ctype,
7476 19 : build_int_cst (TREE_TYPE (ctype),
7477 : CFI_type_Integer));
7478 19 : tmp = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node, ctype,
7479 19 : build_int_cst (TREE_TYPE (ctype),
7480 : CFI_type_Logical));
7481 19 : cond = fold_build2_loc (input_location, TRUTH_OR_EXPR, boolean_type_node,
7482 : cond, tmp);
7483 19 : tmp = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node, ctype,
7484 19 : build_int_cst (TREE_TYPE (ctype),
7485 : CFI_type_Real));
7486 19 : cond = fold_build2_loc (input_location, TRUTH_OR_EXPR, boolean_type_node,
7487 : cond, tmp);
7488 19 : tmp = fold_build2_loc (input_location, MODIFY_EXPR, void_type_node,
7489 19 : type, fold_convert (TREE_TYPE (type), ctype));
7490 19 : tmp2 = fold_build3_loc (input_location, COND_EXPR, void_type_node, cond,
7491 : tmp, tmp2);
7492 19 : gfc_add_expr_to_block (&block, tmp2);
7493 : }
7494 :
7495 1583 : if (sym->as->rank < 0)
7496 : {
7497 : /* Set gfc->dtype.rank, if assumed-rank. */
7498 587 : rank = gfc_get_cfi_desc_rank (cfi);
7499 587 : gfc_add_modify (&block, gfc_conv_descriptor_rank (gfc_desc), rank);
7500 : }
7501 996 : else if (!GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (gfc_desc)))
7502 : /* In that case, the CFI rank and the declared rank can differ. */
7503 254 : rank = gfc_get_cfi_desc_rank (cfi);
7504 : else
7505 742 : rank = build_int_cst (signed_char_type_node, sym->as->rank);
7506 :
7507 : /* With bind(C), the standard requires that both Fortran callers and callees
7508 : handle noncontiguous arrays passed to an dummy with 'contiguous' attribute
7509 : and with character(len=*) + assumed-size/explicit-size arrays.
7510 : cf. Fortran 2018, 18.3.6, paragraph 5 (and for the caller: para. 6). */
7511 1583 : if ((sym->ts.type == BT_CHARACTER && !sym->ts.u.cl->length
7512 550 : && (sym->as->type == AS_ASSUMED_SIZE || sym->as->type == AS_EXPLICIT))
7513 1329 : || sym->attr.contiguous)
7514 : {
7515 517 : do_copy_inout = true;
7516 517 : gcc_assert (!sym->attr.pointer);
7517 517 : stmtblock_t block2;
7518 517 : tree data;
7519 517 : if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (gfc_desc)))
7520 263 : data = gfc_conv_descriptor_data_get (gfc_desc);
7521 254 : else if (!POINTER_TYPE_P (TREE_TYPE (gfc_desc)))
7522 0 : data = gfc_build_addr_expr (NULL, gfc_desc);
7523 : else
7524 : data = gfc_desc;
7525 :
7526 : /* Is copy-in/out needed? */
7527 : /* do_copyin = rank != 0 && !assumed-size */
7528 517 : tree cond_var = gfc_create_var (boolean_type_node, "do_copyin");
7529 517 : tree cond = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
7530 517 : rank, build_zero_cst (TREE_TYPE (rank)));
7531 : /* dim[rank-1].extent != -1 -> assumed size*/
7532 517 : tmp = fold_build2_loc (input_location, MINUS_EXPR, TREE_TYPE (rank),
7533 517 : rank, build_int_cst (TREE_TYPE (rank), 1));
7534 517 : tmp = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
7535 : gfc_get_cfi_dim_extent (cfi, tmp),
7536 : build_int_cst (gfc_array_index_type, -1));
7537 517 : cond = fold_build2_loc (input_location, TRUTH_ANDIF_EXPR,
7538 : boolean_type_node, cond, tmp);
7539 517 : gfc_add_modify (&block, cond_var, cond);
7540 : /* if (do_copyin) do_copyin = ... || ... || ... */
7541 517 : gfc_init_block (&block2);
7542 : /* dim[0].sm != elem_len */
7543 517 : tmp = fold_convert (gfc_array_index_type,
7544 : gfc_get_cfi_desc_elem_len (cfi));
7545 517 : cond = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
7546 : gfc_get_cfi_dim_sm (cfi, gfc_index_zero_node),
7547 : tmp);
7548 517 : gfc_add_modify (&block2, cond_var, cond);
7549 :
7550 : /* for (i = 1; i < rank; ++i)
7551 : cond &&= dim[i].sm != (dv->dim[i - 1].sm * dv->dim[i - 1].extent) */
7552 517 : idx = gfc_create_var (TREE_TYPE (rank), "idx");
7553 517 : stmtblock_t loop_body;
7554 517 : gfc_init_block (&loop_body);
7555 517 : tmp = fold_build2_loc (input_location, MINUS_EXPR, TREE_TYPE (idx),
7556 517 : idx, build_int_cst (TREE_TYPE (idx), 1));
7557 517 : tree tmp2 = gfc_get_cfi_dim_sm (cfi, tmp);
7558 517 : tmp = gfc_get_cfi_dim_extent (cfi, tmp);
7559 517 : tmp = fold_build2_loc (input_location, MULT_EXPR, TREE_TYPE (tmp),
7560 : tmp2, tmp);
7561 517 : cond = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
7562 : gfc_get_cfi_dim_sm (cfi, idx), tmp);
7563 517 : cond = fold_build2_loc (input_location, TRUTH_OR_EXPR, boolean_type_node,
7564 : cond_var, cond);
7565 517 : gfc_add_modify (&loop_body, cond_var, cond);
7566 1034 : gfc_simple_for_loop (&block2, idx, build_int_cst (TREE_TYPE (idx), 1),
7567 517 : rank, LT_EXPR, build_int_cst (TREE_TYPE (idx), 1),
7568 : gfc_finish_block (&loop_body));
7569 517 : tmp = build3_v (COND_EXPR, cond_var, gfc_finish_block (&block2),
7570 : build_empty_stmt (input_location));
7571 517 : gfc_add_expr_to_block (&block, tmp);
7572 :
7573 : /* Copy-in body. */
7574 517 : gfc_init_block (&block2);
7575 : /* size = dim[0].extent; for (i = 1; i < rank; ++i) size *= dim[i].extent */
7576 517 : size_var = gfc_create_var (size_type_node, "size");
7577 517 : tmp = fold_convert (size_type_node,
7578 : gfc_get_cfi_dim_extent (cfi, gfc_index_zero_node));
7579 517 : gfc_add_modify (&block2, size_var, tmp);
7580 :
7581 517 : gfc_init_block (&loop_body);
7582 517 : tmp = fold_convert (size_type_node,
7583 : gfc_get_cfi_dim_extent (cfi, idx));
7584 517 : tmp = fold_build2_loc (input_location, MULT_EXPR, size_type_node,
7585 : size_var, fold_convert (size_type_node, tmp));
7586 517 : gfc_add_modify (&loop_body, size_var, tmp);
7587 1034 : gfc_simple_for_loop (&block2, idx, build_int_cst (TREE_TYPE (idx), 1),
7588 517 : rank, LT_EXPR, build_int_cst (TREE_TYPE (idx), 1),
7589 : gfc_finish_block (&loop_body));
7590 : /* data = malloc (size * elem_len) */
7591 517 : tmp = fold_build2_loc (input_location, MULT_EXPR, size_type_node,
7592 : size_var, gfc_get_cfi_desc_elem_len (cfi));
7593 517 : tree call = builtin_decl_explicit (BUILT_IN_MALLOC);
7594 517 : call = build_call_expr_loc (input_location, call, 1, tmp);
7595 517 : gfc_add_modify (&block2, data, fold_convert (TREE_TYPE (data), call));
7596 :
7597 : /* Copy the data:
7598 : for (idx = 0; idx < size; ++idx)
7599 : {
7600 : shift = 0;
7601 : tmpidx = idx
7602 : for (dim = 0; dim < rank; ++dim)
7603 : {
7604 : shift += (tmpidx % extent[d]) * sm[d]
7605 : tmpidx = tmpidx / extend[d]
7606 : }
7607 : memcpy (lhs + idx*elem_len, rhs + shift, elem_len)
7608 : } .*/
7609 517 : idx = gfc_create_var (size_type_node, "arrayidx");
7610 517 : gfc_init_block (&loop_body);
7611 517 : tree shift = gfc_create_var (size_type_node, "shift");
7612 517 : tree tmpidx = gfc_create_var (size_type_node, "tmpidx");
7613 517 : gfc_add_modify (&loop_body, shift, build_zero_cst (TREE_TYPE (shift)));
7614 517 : gfc_add_modify (&loop_body, tmpidx, idx);
7615 517 : stmtblock_t inner_loop;
7616 517 : gfc_init_block (&inner_loop);
7617 517 : tree dim = gfc_create_var (TREE_TYPE (rank), "dim");
7618 : /* shift += (tmpidx % extent[d]) * sm[d] */
7619 517 : tmp = fold_build2_loc (input_location, TRUNC_MOD_EXPR,
7620 : size_type_node, tmpidx,
7621 : fold_convert (size_type_node,
7622 : gfc_get_cfi_dim_extent (cfi, dim)));
7623 517 : tmp = fold_build2_loc (input_location, MULT_EXPR,
7624 : size_type_node, tmp,
7625 : fold_convert (size_type_node,
7626 : gfc_get_cfi_dim_sm (cfi, dim)));
7627 517 : gfc_add_modify (&inner_loop, shift,
7628 : fold_build2_loc (input_location, PLUS_EXPR,
7629 : size_type_node, shift, tmp));
7630 : /* tmpidx = tmpidx / extend[d] */
7631 517 : tmp = fold_convert (size_type_node, gfc_get_cfi_dim_extent (cfi, dim));
7632 517 : gfc_add_modify (&inner_loop, tmpidx,
7633 : fold_build2_loc (input_location, TRUNC_DIV_EXPR,
7634 : size_type_node, tmpidx, tmp));
7635 1034 : gfc_simple_for_loop (&loop_body, dim, build_zero_cst (TREE_TYPE (rank)),
7636 517 : rank, LT_EXPR, build_int_cst (TREE_TYPE (dim), 1),
7637 : gfc_finish_block (&inner_loop));
7638 : /* Assign. */
7639 517 : tmp = fold_convert (pchar_type_node, gfc_get_cfi_desc_base_addr (cfi));
7640 517 : tmp = fold_build2 (POINTER_PLUS_EXPR, pchar_type_node, tmp, shift);
7641 517 : tree lhs;
7642 : /* memcpy (lhs + idx*elem_len, rhs + shift, elem_len) */
7643 517 : tree elem_len;
7644 517 : if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (gfc_desc)))
7645 263 : elem_len = gfc_conv_descriptor_elem_len (gfc_desc);
7646 : else
7647 254 : elem_len = gfc_get_cfi_desc_elem_len (cfi);
7648 517 : lhs = fold_build2_loc (input_location, MULT_EXPR, size_type_node,
7649 : elem_len, idx);
7650 517 : lhs = fold_build2_loc (input_location, POINTER_PLUS_EXPR, pchar_type_node,
7651 : fold_convert (pchar_type_node, data), lhs);
7652 517 : tmp = fold_convert (pvoid_type_node, tmp);
7653 517 : lhs = fold_convert (pvoid_type_node, lhs);
7654 517 : call = builtin_decl_explicit (BUILT_IN_MEMCPY);
7655 517 : call = build_call_expr_loc (input_location, call, 3, lhs, tmp, elem_len);
7656 517 : gfc_add_expr_to_block (&loop_body, fold_convert (void_type_node, call));
7657 1034 : gfc_simple_for_loop (&block2, idx, build_zero_cst (TREE_TYPE (idx)),
7658 517 : size_var, LT_EXPR, build_int_cst (TREE_TYPE (idx), 1),
7659 : gfc_finish_block (&loop_body));
7660 : /* if (cond) { block2 } */
7661 517 : tmp = build3_v (COND_EXPR, cond_var, gfc_finish_block (&block2),
7662 : build_empty_stmt (input_location));
7663 517 : gfc_add_expr_to_block (&block, tmp);
7664 : }
7665 :
7666 1583 : if (!GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (gfc_desc)))
7667 : {
7668 254 : tree offset, type;
7669 254 : type = TREE_TYPE (gfc_desc);
7670 254 : gfc_trans_array_bounds (type, sym, &offset, &block);
7671 254 : if (VAR_P (GFC_TYPE_ARRAY_OFFSET (type)))
7672 144 : gfc_add_modify (&block, GFC_TYPE_ARRAY_OFFSET (type), offset);
7673 254 : goto done;
7674 : }
7675 :
7676 : /* If cfi->data != NULL. */
7677 1329 : stmtblock_t block2;
7678 1329 : gfc_init_block (&block2);
7679 :
7680 : /* if do_copy_inout: gfc->dspan = gfc->dtype.elem_len
7681 : We use gfc instead of cfi on the RHS as this might be a constant. */
7682 1329 : tmp = fold_convert (gfc_array_index_type,
7683 : gfc_conv_descriptor_elem_len (gfc_desc));
7684 1329 : if (!do_copy_inout)
7685 : {
7686 : /* gfc->dspan = ((cfi->dim[0].sm % gfc->elem_len)
7687 : ? cfi->dim[0].sm : gfc->elem_len). */
7688 1066 : tree cond;
7689 1066 : tree tmp2 = gfc_get_cfi_dim_sm (cfi, gfc_rank_cst[0]);
7690 1066 : cond = fold_build2_loc (input_location, TRUNC_MOD_EXPR,
7691 : gfc_array_index_type, tmp2, tmp);
7692 1066 : cond = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
7693 : cond, gfc_index_zero_node);
7694 1066 : tmp = build3_loc (input_location, COND_EXPR, gfc_array_index_type, cond,
7695 : tmp2, tmp);
7696 : }
7697 1329 : gfc_conv_descriptor_span_set (&block2, gfc_desc, tmp);
7698 :
7699 : /* Calculate offset + set lbound, ubound and stride. */
7700 1329 : gfc_conv_descriptor_offset_set (&block2, gfc_desc, gfc_index_zero_node);
7701 1329 : if (sym->as->rank > 0 && !sym->attr.pointer && !sym->attr.allocatable)
7702 1274 : for (int i = 0; i < sym->as->rank; ++i)
7703 : {
7704 718 : gfc_se se;
7705 718 : gfc_init_se (&se, NULL );
7706 718 : if (sym->as->lower[i])
7707 : {
7708 718 : gfc_conv_expr (&se, sym->as->lower[i]);
7709 718 : tmp = se.expr;
7710 : }
7711 : else
7712 0 : tmp = gfc_index_one_node;
7713 718 : gfc_add_block_to_block (&block2, &se.pre);
7714 718 : gfc_conv_descriptor_lbound_set (&block2, gfc_desc, gfc_rank_cst[i],
7715 : tmp);
7716 718 : gfc_add_block_to_block (&block2, &se.post);
7717 : }
7718 :
7719 : /* Loop: for (i = 0; i < rank; ++i). */
7720 1329 : idx = gfc_create_var (TREE_TYPE (rank), "idx");
7721 :
7722 : /* Loop body. */
7723 1329 : stmtblock_t loop_body;
7724 1329 : gfc_init_block (&loop_body);
7725 : /* gfc->dim[i].lbound = ... */
7726 1329 : if (sym->attr.pointer || sym->attr.allocatable)
7727 : {
7728 276 : tmp = gfc_get_cfi_dim_lbound (cfi, idx);
7729 276 : gfc_conv_descriptor_lbound_set (&loop_body, gfc_desc, idx, tmp);
7730 : }
7731 1053 : else if (sym->as->rank < 0)
7732 497 : gfc_conv_descriptor_lbound_set (&loop_body, gfc_desc, idx,
7733 : gfc_index_one_node);
7734 :
7735 : /* gfc->dim[i].ubound = gfc->dim[i].lbound + cfi->dim[i].extent - 1. */
7736 1329 : tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
7737 : gfc_conv_descriptor_lbound_get (gfc_desc, idx),
7738 : gfc_index_one_node);
7739 1329 : tmp = fold_build2_loc (input_location, PLUS_EXPR, gfc_array_index_type,
7740 : gfc_get_cfi_dim_extent (cfi, idx), tmp);
7741 1329 : gfc_conv_descriptor_ubound_set (&loop_body, gfc_desc, idx, tmp);
7742 :
7743 1329 : if (do_copy_inout)
7744 : {
7745 : /* gfc->dim[i].stride
7746 : = idx == 0 ? 1 : gfc->dim[i-1].stride * cfi->dim[i-1].extent */
7747 263 : tree cond = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node,
7748 263 : idx, build_zero_cst (TREE_TYPE (idx)));
7749 263 : tmp = fold_build2_loc (input_location, MINUS_EXPR, TREE_TYPE (idx),
7750 263 : idx, build_int_cst (TREE_TYPE (idx), 1));
7751 263 : tree tmp2 = gfc_get_cfi_dim_extent (cfi, tmp);
7752 263 : tmp = gfc_conv_descriptor_stride_get (gfc_desc, tmp);
7753 263 : tmp = fold_build2_loc (input_location, MULT_EXPR, TREE_TYPE (tmp2),
7754 : tmp2, tmp);
7755 263 : tmp = build3_loc (input_location, COND_EXPR, gfc_array_index_type, cond,
7756 : gfc_index_one_node, tmp);
7757 : }
7758 : else
7759 : {
7760 : /* gfc->dim[i].stride = cfi->dim[i].sm / cfi>elem_len */
7761 1066 : tmp = gfc_get_cfi_dim_sm (cfi, idx);
7762 1066 : tmp = fold_build2_loc (input_location, TRUNC_DIV_EXPR,
7763 : gfc_array_index_type, tmp,
7764 : fold_convert (gfc_array_index_type,
7765 : gfc_get_cfi_desc_elem_len (cfi)));
7766 : }
7767 1329 : gfc_conv_descriptor_stride_set (&loop_body, gfc_desc, idx, tmp);
7768 : /* gfc->offset -= gfc->dim[i].stride * gfc->dim[i].lbound. */
7769 1329 : tmp = fold_build2_loc (input_location, MULT_EXPR, gfc_array_index_type,
7770 : gfc_conv_descriptor_stride_get (gfc_desc, idx),
7771 : gfc_conv_descriptor_lbound_get (gfc_desc, idx));
7772 1329 : tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
7773 : gfc_conv_descriptor_offset_get (gfc_desc), tmp);
7774 1329 : gfc_conv_descriptor_offset_set (&loop_body, gfc_desc, tmp);
7775 :
7776 : /* Generate loop. */
7777 2658 : gfc_simple_for_loop (&block2, idx, build_zero_cst (TREE_TYPE (idx)),
7778 1329 : rank, LT_EXPR, build_int_cst (TREE_TYPE (idx), 1),
7779 : gfc_finish_block (&loop_body));
7780 1329 : if (sym->attr.allocatable || sym->attr.pointer)
7781 : {
7782 276 : tmp = gfc_get_cfi_desc_base_addr (cfi),
7783 276 : tmp = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
7784 : tmp, null_pointer_node);
7785 276 : tmp = build3_v (COND_EXPR, tmp, gfc_finish_block (&block2),
7786 : build_empty_stmt (input_location));
7787 276 : gfc_add_expr_to_block (&block, tmp);
7788 : }
7789 : else
7790 1053 : gfc_add_block_to_block (&block, &block2);
7791 :
7792 1819 : done:
7793 : /* If optional arg: 'if (arg) { block } else { local_arg = NULL; }'. */
7794 1819 : if (sym->attr.optional)
7795 : {
7796 317 : tree present = fold_build2_loc (input_location, NE_EXPR,
7797 : boolean_type_node, cfi_desc,
7798 : null_pointer_node);
7799 317 : tmp = fold_build2_loc (input_location, MODIFY_EXPR, void_type_node,
7800 : sym->backend_decl,
7801 317 : fold_convert (TREE_TYPE (sym->backend_decl),
7802 : null_pointer_node));
7803 317 : tmp = build3_v (COND_EXPR, present, gfc_finish_block (&block), tmp);
7804 317 : gfc_add_expr_to_block (init, tmp);
7805 : }
7806 : else
7807 1502 : gfc_add_block_to_block (init, &block);
7808 :
7809 1819 : if (!sym->attr.referenced)
7810 984 : return;
7811 :
7812 : /* If pointer not changed, nothing to be done (except copy out) */
7813 1747 : if (!do_copy_inout && ((!sym->attr.pointer && !sym->attr.allocatable)
7814 381 : || sym->attr.intent == INTENT_IN))
7815 : return;
7816 :
7817 835 : gfc_init_block (&block);
7818 :
7819 : /* For bind(C), Fortran does not permit mixing 'pointer' with 'contiguous' (or
7820 : len=*). Thus, when copy out is needed, the bounds ofthe descriptor remain
7821 : unchanged. */
7822 835 : if (do_copy_inout)
7823 : {
7824 517 : tree data, call;
7825 517 : if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (gfc_desc)))
7826 263 : data = gfc_conv_descriptor_data_get (gfc_desc);
7827 254 : else if (!POINTER_TYPE_P (TREE_TYPE (gfc_desc)))
7828 0 : data = gfc_build_addr_expr (NULL, gfc_desc);
7829 : else
7830 : data = gfc_desc;
7831 517 : gfc_init_block (&block2);
7832 517 : if (sym->attr.intent != INTENT_IN)
7833 : {
7834 : /* First, create the inner copy-out loop.
7835 : for (idx = 0; idx < size; ++idx)
7836 : {
7837 : shift = 0;
7838 : tmpidx = idx
7839 : for (dim = 0; dim < rank; ++dim)
7840 : {
7841 : shift += (tmpidx % extent[d]) * sm[d]
7842 : tmpidx = tmpidx / extend[d]
7843 : }
7844 : memcpy (lhs + shift, rhs + idx*elem_len, elem_len)
7845 : } .*/
7846 292 : stmtblock_t loop_body;
7847 292 : idx = gfc_create_var (size_type_node, "arrayidx");
7848 292 : gfc_init_block (&loop_body);
7849 292 : tree shift = gfc_create_var (size_type_node, "shift");
7850 292 : tree tmpidx = gfc_create_var (size_type_node, "tmpidx");
7851 292 : gfc_add_modify (&loop_body, shift,
7852 292 : build_zero_cst (TREE_TYPE (shift)));
7853 292 : gfc_add_modify (&loop_body, tmpidx, idx);
7854 292 : stmtblock_t inner_loop;
7855 292 : gfc_init_block (&inner_loop);
7856 292 : tree dim = gfc_create_var (TREE_TYPE (rank), "dim");
7857 : /* shift += (tmpidx % extent[d]) * sm[d] */
7858 292 : tmp = fold_convert (size_type_node,
7859 : gfc_get_cfi_dim_extent (cfi, dim));
7860 292 : tmp = fold_build2_loc (input_location, TRUNC_MOD_EXPR,
7861 : size_type_node, tmpidx, tmp);
7862 292 : tmp = fold_build2_loc (input_location, MULT_EXPR,
7863 : size_type_node, tmp,
7864 : fold_convert (size_type_node,
7865 : gfc_get_cfi_dim_sm (cfi, dim)));
7866 292 : gfc_add_modify (&inner_loop, shift,
7867 : fold_build2_loc (input_location, PLUS_EXPR,
7868 : size_type_node, shift, tmp));
7869 : /* tmpidx = tmpidx / extend[d] */
7870 292 : tmp = fold_convert (size_type_node,
7871 : gfc_get_cfi_dim_extent (cfi, dim));
7872 292 : gfc_add_modify (&inner_loop, tmpidx,
7873 : fold_build2_loc (input_location, TRUNC_DIV_EXPR,
7874 : size_type_node, tmpidx, tmp));
7875 876 : gfc_simple_for_loop (&loop_body, dim,
7876 292 : build_zero_cst (TREE_TYPE (rank)), rank, LT_EXPR,
7877 292 : build_int_cst (TREE_TYPE (dim), 1),
7878 : gfc_finish_block (&inner_loop));
7879 : /* Assign. */
7880 292 : tree rhs;
7881 292 : tmp = fold_convert (pchar_type_node,
7882 : gfc_get_cfi_desc_base_addr (cfi));
7883 292 : tmp = fold_build2 (POINTER_PLUS_EXPR, pchar_type_node, tmp, shift);
7884 : /* memcpy (lhs + shift, rhs + idx*elem_len, elem_len) */
7885 292 : tree elem_len;
7886 292 : if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (gfc_desc)))
7887 153 : elem_len = gfc_conv_descriptor_elem_len (gfc_desc);
7888 : else
7889 139 : elem_len = gfc_get_cfi_desc_elem_len (cfi);
7890 292 : rhs = fold_build2_loc (input_location, MULT_EXPR, size_type_node,
7891 : elem_len, idx);
7892 292 : rhs = fold_build2_loc (input_location, POINTER_PLUS_EXPR,
7893 : pchar_type_node,
7894 : fold_convert (pchar_type_node, data), rhs);
7895 292 : tmp = fold_convert (pvoid_type_node, tmp);
7896 292 : rhs = fold_convert (pvoid_type_node, rhs);
7897 292 : call = builtin_decl_explicit (BUILT_IN_MEMCPY);
7898 292 : call = build_call_expr_loc (input_location, call, 3, tmp, rhs,
7899 : elem_len);
7900 292 : gfc_add_expr_to_block (&loop_body,
7901 : fold_convert (void_type_node, call));
7902 584 : gfc_simple_for_loop (&block2, idx, build_zero_cst (TREE_TYPE (idx)),
7903 : size_var, LT_EXPR,
7904 292 : build_int_cst (TREE_TYPE (idx), 1),
7905 : gfc_finish_block (&loop_body));
7906 : }
7907 517 : call = builtin_decl_explicit (BUILT_IN_FREE);
7908 517 : call = build_call_expr_loc (input_location, call, 1, data);
7909 517 : gfc_add_expr_to_block (&block2, call);
7910 :
7911 : /* if (cfi->base_addr != gfc->data) { copy out; free(var) }; return */
7912 517 : tree tmp2 = gfc_get_cfi_desc_base_addr (cfi);
7913 517 : tmp2 = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
7914 517 : tmp2, fold_convert (TREE_TYPE (tmp2), data));
7915 517 : tmp = build3_v (COND_EXPR, tmp2, gfc_finish_block (&block2),
7916 : build_empty_stmt (input_location));
7917 517 : gfc_add_expr_to_block (&block, tmp);
7918 517 : goto done_finally;
7919 : }
7920 :
7921 : /* Update pointer + array data data on exit. */
7922 318 : tmp = gfc_get_cfi_desc_base_addr (cfi);
7923 318 : tmp2 = (!sym->attr.dimension
7924 318 : ? gfc_desc : gfc_conv_descriptor_data_get (gfc_desc));
7925 318 : gfc_add_modify (&block, tmp, fold_convert (TREE_TYPE (tmp), tmp2));
7926 :
7927 : /* Set string length for len=:, only. */
7928 318 : if (sym->ts.type == BT_CHARACTER && !sym->ts.u.cl->length)
7929 : {
7930 60 : tmp2 = gfc_get_cfi_desc_elem_len (cfi);
7931 60 : tmp = fold_convert (TREE_TYPE (tmp2), sym->ts.u.cl->backend_decl);
7932 60 : if (sym->ts.kind != 1)
7933 48 : tmp = fold_build2_loc (input_location, MULT_EXPR,
7934 24 : TREE_TYPE (tmp2), tmp,
7935 24 : build_int_cst (TREE_TYPE (tmp2), sym->ts.kind));
7936 60 : gfc_add_modify (&block, tmp2, tmp);
7937 : }
7938 :
7939 318 : if (!sym->attr.dimension)
7940 102 : goto done_finally;
7941 :
7942 216 : gfc_init_block (&block2);
7943 :
7944 : /* Loop: for (i = 0; i < rank; ++i). */
7945 216 : idx = gfc_create_var (TREE_TYPE (rank), "idx");
7946 :
7947 : /* Loop body. */
7948 216 : gfc_init_block (&loop_body);
7949 : /* cfi->dim[i].lower_bound = gfc->dim[i].lbound */
7950 216 : gfc_add_modify (&loop_body, gfc_get_cfi_dim_lbound (cfi, idx),
7951 : gfc_conv_descriptor_lbound_get (gfc_desc, idx));
7952 : /* cfi->dim[i].extent = gfc->dim[i].ubound - gfc->dim[i].lbound + 1. */
7953 216 : tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
7954 : gfc_conv_descriptor_ubound_get (gfc_desc, idx),
7955 : gfc_conv_descriptor_lbound_get (gfc_desc, idx));
7956 216 : tmp = fold_build2_loc (input_location, PLUS_EXPR, gfc_array_index_type, tmp,
7957 : gfc_index_one_node);
7958 216 : gfc_add_modify (&loop_body, gfc_get_cfi_dim_extent (cfi, idx), tmp);
7959 : /* d->dim[n].sm = gfc->dim[i].stride * gfc->span); */
7960 216 : tmp = fold_build2_loc (input_location, MULT_EXPR, gfc_array_index_type,
7961 : gfc_conv_descriptor_stride_get (gfc_desc, idx),
7962 : gfc_conv_descriptor_span_get (gfc_desc));
7963 216 : gfc_add_modify (&loop_body, gfc_get_cfi_dim_sm (cfi, idx), tmp);
7964 :
7965 : /* Generate loop. */
7966 432 : gfc_simple_for_loop (&block2, idx, build_zero_cst (TREE_TYPE (idx)),
7967 216 : rank, LT_EXPR, build_int_cst (TREE_TYPE (idx), 1),
7968 : gfc_finish_block (&loop_body));
7969 : /* if (gfc->data != NULL) { block2 }. */
7970 216 : tmp = gfc_get_cfi_desc_base_addr (cfi),
7971 216 : tmp = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
7972 : tmp, null_pointer_node);
7973 216 : tmp = build3_v (COND_EXPR, tmp, gfc_finish_block (&block2),
7974 : build_empty_stmt (input_location));
7975 216 : gfc_add_expr_to_block (&block, tmp);
7976 :
7977 835 : done_finally:
7978 : /* If optional arg: 'if (arg) { block } else { local_arg = NULL; }'. */
7979 835 : if (sym->attr.optional)
7980 : {
7981 180 : tree present = fold_build2_loc (input_location, NE_EXPR,
7982 : boolean_type_node, cfi_desc,
7983 : null_pointer_node);
7984 180 : tmp = build3_v (COND_EXPR, present, gfc_finish_block (&block),
7985 : build_empty_stmt (input_location));
7986 180 : gfc_add_expr_to_block (finally, tmp);
7987 : }
7988 : else
7989 655 : gfc_add_block_to_block (finally, &block);
7990 : }
7991 :
7992 :
7993 : static void
7994 233 : emit_not_set_warning (gfc_symbol *sym)
7995 : {
7996 233 : if (warn_return_type > 0 && sym == sym->result)
7997 17 : gfc_warning (OPT_Wreturn_type,
7998 : "Return value of function %qs at %L not set",
7999 : sym->name, &sym->declared_at);
8000 233 : if (warn_return_type > 0)
8001 22 : suppress_warning (sym->backend_decl);
8002 233 : }
8003 :
8004 :
8005 : /* Generate code for a function. */
8006 :
8007 : void
8008 84311 : gfc_generate_function_code (gfc_namespace * ns)
8009 : {
8010 84311 : tree fndecl;
8011 84311 : tree old_context;
8012 84311 : tree decl;
8013 84311 : tree tmp;
8014 84311 : tree fpstate = NULL_TREE;
8015 84311 : stmtblock_t init, cleanup, outer_block;
8016 84311 : stmtblock_t body;
8017 84311 : gfc_wrapped_block try_block;
8018 84311 : tree recurcheckvar = NULL_TREE;
8019 84311 : gfc_symbol *sym;
8020 84311 : gfc_symbol *previous_procedure_symbol;
8021 84311 : int rank, ieee;
8022 84311 : bool is_recursive;
8023 :
8024 84311 : sym = ns->proc_name;
8025 84311 : previous_procedure_symbol = current_procedure_symbol;
8026 84311 : current_procedure_symbol = sym;
8027 :
8028 : /* Initialize sym->tlink so that gfc_trans_deferred_vars does not get
8029 : lost or worse. */
8030 84311 : sym->tlink = sym;
8031 :
8032 : /* Create the declaration for functions with global scope. */
8033 84311 : if (!sym->backend_decl)
8034 35171 : gfc_create_function_decl (ns, false);
8035 :
8036 84311 : fndecl = sym->backend_decl;
8037 84311 : old_context = current_function_decl;
8038 :
8039 84311 : if (old_context)
8040 : {
8041 22902 : push_function_context ();
8042 22902 : saved_parent_function_decls = saved_function_decls;
8043 22902 : saved_function_decls = NULL_TREE;
8044 : }
8045 :
8046 84311 : trans_function_start (sym);
8047 84311 : gfc_current_locus = sym->declared_at;
8048 :
8049 84311 : gfc_init_block (&init);
8050 84311 : gfc_init_block (&cleanup);
8051 84311 : gfc_init_block (&outer_block);
8052 :
8053 84311 : if (ns->entries && ns->proc_name->ts.type == BT_CHARACTER)
8054 : {
8055 : /* Copy length backend_decls to all entry point result
8056 : symbols. */
8057 50 : gfc_entry_list *el;
8058 50 : tree backend_decl;
8059 :
8060 50 : gfc_conv_const_charlen (ns->proc_name->ts.u.cl);
8061 50 : backend_decl = ns->proc_name->result->ts.u.cl->backend_decl;
8062 186 : for (el = ns->entries; el; el = el->next)
8063 136 : el->sym->result->ts.u.cl->backend_decl = backend_decl;
8064 : }
8065 :
8066 : /* Translate COMMON blocks. */
8067 84311 : gfc_trans_common (ns);
8068 :
8069 : /* Null the parent fake result declaration if this namespace is
8070 : a module function or an external procedures. */
8071 84311 : if ((ns->parent && ns->parent->proc_name->attr.flavor == FL_MODULE)
8072 58847 : || ns->parent == NULL)
8073 61409 : parent_fake_result_decl = NULL_TREE;
8074 :
8075 : /* For BIND(C):
8076 : - deallocate intent-out allocatable dummy arguments.
8077 : - Create GFC variable which will later be populated by convert_CFI_desc */
8078 84311 : if (sym->attr.is_bind_c)
8079 1893 : for (gfc_formal_arglist *formal = gfc_sym_get_dummy_args (sym);
8080 5905 : formal; formal = formal->next)
8081 : {
8082 4012 : gfc_symbol *fsym = formal->sym;
8083 4012 : if (!is_CFI_desc (fsym, NULL))
8084 2193 : continue;
8085 1819 : if (!fsym->attr.referenced)
8086 : {
8087 72 : gfc_conv_cfi_to_gfc (&init, &cleanup, fsym->backend_decl,
8088 : NULL_TREE, fsym);
8089 72 : continue;
8090 : }
8091 : /* Let's now create a local GFI descriptor. Afterwards:
8092 : desc is the local descriptor,
8093 : desc_p is a pointer to it
8094 : and stored in sym->backend_decl
8095 : GFC_DECL_SAVED_DESCRIPTOR (desc_p) contains the CFI descriptor
8096 : -> PARM_DECL and before sym->backend_decl.
8097 : For scalars, decl == decl_p is a pointer variable. */
8098 1747 : tree desc_p, desc;
8099 1747 : location_t loc = gfc_get_location (&sym->declared_at);
8100 1747 : if (fsym->ts.type == BT_CHARACTER && !fsym->ts.u.cl->length)
8101 647 : fsym->ts.u.cl->backend_decl = gfc_create_var (gfc_array_index_type,
8102 : fsym->name);
8103 1100 : else if (fsym->ts.type == BT_CHARACTER && !fsym->ts.u.cl->backend_decl)
8104 : {
8105 157 : gfc_se se;
8106 157 : gfc_init_se (&se, NULL );
8107 157 : gfc_conv_expr (&se, fsym->ts.u.cl->length);
8108 157 : gfc_add_block_to_block (&init, &se.pre);
8109 157 : fsym->ts.u.cl->backend_decl = se.expr;
8110 157 : gcc_assert(se.post.head == NULL_TREE);
8111 : }
8112 : /* Nullify, otherwise gfc_sym_type will return the CFI type. */
8113 1747 : tree tmp = fsym->backend_decl;
8114 1747 : fsym->backend_decl = NULL;
8115 1747 : tree type = gfc_sym_type (fsym);
8116 1747 : gcc_assert (POINTER_TYPE_P (type));
8117 1747 : if (POINTER_TYPE_P (TREE_TYPE (type)))
8118 : /* For instance, allocatable scalars. */
8119 105 : type = TREE_TYPE (type);
8120 1747 : if (TREE_CODE (type) == REFERENCE_TYPE)
8121 1179 : type = build_pointer_type (TREE_TYPE (type));
8122 1747 : desc_p = build_decl (loc, VAR_DECL, get_identifier (fsym->name), type);
8123 1747 : if (!fsym->attr.dimension)
8124 : desc = desc_p;
8125 1583 : else if (!GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (TREE_TYPE (desc_p))))
8126 : {
8127 : /* Character(len=*) explicit-size/assumed-size array. */
8128 254 : desc = desc_p;
8129 254 : gfc_build_qualified_array (desc, fsym);
8130 : }
8131 : else
8132 : {
8133 1329 : tree size = size_in_bytes (TREE_TYPE (TREE_TYPE (desc_p)));
8134 1329 : tree call = builtin_decl_explicit (BUILT_IN_ALLOCA);
8135 1329 : call = build_call_expr_loc (input_location, call, 1, size);
8136 1329 : gfc_add_modify (&outer_block, desc_p,
8137 1329 : fold_convert (TREE_TYPE(desc_p), call));
8138 1329 : desc = build_fold_indirect_ref_loc (input_location, desc_p);
8139 : }
8140 1747 : pushdecl (desc_p);
8141 1747 : if (fsym->attr.optional)
8142 : {
8143 311 : gfc_allocate_lang_decl (desc_p);
8144 311 : GFC_DECL_OPTIONAL_ARGUMENT (desc_p) = 1;
8145 : }
8146 1747 : fsym->backend_decl = desc_p;
8147 1747 : gfc_conv_cfi_to_gfc (&init, &cleanup, tmp, desc, fsym);
8148 : }
8149 :
8150 : /* For OpenMP, ensure that declare variant in INTERFACE is is processed
8151 : especially as some late diagnostic is only done on tree level. */
8152 84311 : if (flag_openmp)
8153 8653 : gfc_traverse_ns (ns, gfc_handle_omp_declare_variant);
8154 :
8155 84311 : gfc_generate_contained_functions (ns);
8156 :
8157 84311 : has_coarray_vars_or_accessors = caf_accessor_head != NULL;
8158 84311 : generate_local_vars (ns);
8159 :
8160 84311 : if (flag_coarray == GFC_FCOARRAY_LIB && has_coarray_vars_or_accessors)
8161 400 : generate_coarray_init (ns);
8162 :
8163 : /* Keep the parent fake result declaration in module functions
8164 : or external procedures. */
8165 84311 : if ((ns->parent && ns->parent->proc_name->attr.flavor == FL_MODULE)
8166 58847 : || ns->parent == NULL)
8167 61409 : current_fake_result_decl = parent_fake_result_decl;
8168 : else
8169 22902 : current_fake_result_decl = NULL_TREE;
8170 :
8171 168622 : is_recursive = sym->attr.recursive
8172 84311 : || (sym->attr.entry_master
8173 634 : && sym->ns->entries->sym->attr.recursive);
8174 84311 : if ((gfc_option.rtcheck & GFC_RTCHECK_RECURSION)
8175 1009 : && !is_recursive && !flag_recursive && !sym->attr.artificial)
8176 : {
8177 840 : char * msg;
8178 :
8179 840 : msg = xasprintf ("Recursive call to nonrecursive procedure '%s'",
8180 : sym->name);
8181 840 : recurcheckvar = gfc_create_var (logical_type_node, "is_recursive");
8182 840 : TREE_STATIC (recurcheckvar) = 1;
8183 840 : DECL_INITIAL (recurcheckvar) = logical_false_node;
8184 840 : gfc_add_expr_to_block (&init, recurcheckvar);
8185 840 : gfc_trans_runtime_check (true, false, recurcheckvar, &init,
8186 : &sym->declared_at, msg);
8187 840 : gfc_add_modify (&init, recurcheckvar, logical_true_node);
8188 840 : free (msg);
8189 : }
8190 :
8191 : /* Check if an IEEE module is used in the procedure. If so, save
8192 : the floating point state. */
8193 84311 : ieee = is_ieee_module_used (ns);
8194 84311 : if (ieee)
8195 445 : fpstate = gfc_save_fp_state (&init);
8196 :
8197 : /* Now generate the code for the body of this function. */
8198 84311 : gfc_init_block (&body);
8199 :
8200 84311 : if (TREE_TYPE (DECL_RESULT (fndecl)) != void_type_node
8201 84311 : && sym->attr.subroutine)
8202 : {
8203 42 : tree alternate_return;
8204 42 : alternate_return = gfc_get_fake_result_decl (sym, 0);
8205 42 : gfc_add_modify (&body, alternate_return, integer_zero_node);
8206 : }
8207 :
8208 84311 : if (ns->entries)
8209 : {
8210 : /* Jump to the correct entry point. */
8211 634 : tmp = gfc_trans_entry_master_switch (ns->entries);
8212 634 : gfc_add_expr_to_block (&body, tmp);
8213 : }
8214 :
8215 : /* If bounds-checking is enabled, generate code to check passed in actual
8216 : arguments against the expected dummy argument attributes (e.g. string
8217 : lengths). */
8218 84311 : if ((gfc_option.rtcheck & GFC_RTCHECK_BOUNDS) && !sym->attr.is_bind_c)
8219 2809 : add_argument_checking (&body, sym);
8220 :
8221 84311 : finish_oacc_declare (ns, sym, false);
8222 :
8223 84311 : tmp = gfc_trans_code (ns->code);
8224 84311 : gfc_add_expr_to_block (&body, tmp);
8225 :
8226 : /* This permits the return value to be correctly initialized, even when the
8227 : function result was not referenced. */
8228 84311 : if (sym->abr_modproc_decl
8229 247 : && IS_PDT (sym)
8230 7 : && !sym->attr.allocatable
8231 7 : && sym->result == sym
8232 84318 : && get_proc_result (sym) == NULL_TREE)
8233 : {
8234 1 : gfc_get_fake_result_decl (sym->result, 0);
8235 : /* TODO: move to the appropriate place in resolve.cc. */
8236 1 : emit_not_set_warning (sym);
8237 : }
8238 :
8239 84311 : if (TREE_TYPE (DECL_RESULT (fndecl)) != void_type_node
8240 84311 : || (sym->result && sym->result != sym
8241 1170 : && sym->result->ts.type == BT_DERIVED
8242 155 : && sym->result->ts.u.derived->attr.alloc_comp))
8243 : {
8244 12008 : bool artificial_result_decl = false;
8245 12008 : tree result = get_proc_result (sym);
8246 12008 : gfc_symbol *rsym = sym == sym->result ? sym : sym->result;
8247 :
8248 : /* Make sure that a function returning an object with
8249 : alloc/pointer_components always has a result, where at least
8250 : the allocatable/pointer components are set to zero. */
8251 12008 : if (result == NULL_TREE && sym->attr.function
8252 232 : && ((sym->result->ts.type == BT_DERIVED
8253 28 : && (sym->attr.allocatable
8254 22 : || sym->attr.pointer
8255 20 : || sym->result->ts.u.derived->attr.alloc_comp
8256 20 : || sym->result->ts.u.derived->attr.pointer_comp))
8257 224 : || (sym->result->ts.type == BT_CLASS
8258 38 : && (CLASS_DATA (sym->result)->attr.allocatable
8259 11 : || CLASS_DATA (sym->result)->attr.class_pointer
8260 0 : || CLASS_DATA (sym->result)->attr.alloc_comp
8261 0 : || CLASS_DATA (sym->result)->attr.pointer_comp))))
8262 : {
8263 46 : artificial_result_decl = true;
8264 46 : result = gfc_get_fake_result_decl (sym->result, 0);
8265 : }
8266 :
8267 12008 : if (result != NULL_TREE && sym->attr.function && !sym->attr.pointer)
8268 : {
8269 11392 : if (sym->attr.allocatable && sym->attr.dimension == 0
8270 101 : && sym->result == sym)
8271 75 : gfc_add_modify (&init, result, fold_convert (TREE_TYPE (result),
8272 : null_pointer_node));
8273 11317 : else if (sym->ts.type == BT_CLASS
8274 733 : && CLASS_DATA (sym)->attr.allocatable
8275 503 : && CLASS_DATA (sym)->attr.dimension == 0
8276 316 : && sym->result == sym)
8277 : {
8278 135 : tmp = gfc_class_data_get (result);
8279 135 : gfc_add_modify (&init, tmp,
8280 135 : fold_convert (TREE_TYPE (tmp),
8281 : null_pointer_node));
8282 135 : gfc_reset_vptr (&init, nullptr, result,
8283 135 : sym->result->ts.u.derived);
8284 : }
8285 11182 : else if (sym->ts.type == BT_DERIVED
8286 1225 : && !sym->attr.allocatable)
8287 : {
8288 1200 : gfc_expr *init_exp;
8289 : /* Arrays are not initialized using the default initializer of
8290 : their elements. Therefore only check if a default
8291 : initializer is available when the result is scalar. */
8292 1200 : init_exp = rsym->as ? NULL
8293 1179 : : gfc_generate_initializer (&rsym->ts, true);
8294 1179 : if (init_exp)
8295 : {
8296 636 : tmp = gfc_trans_structure_assign (result, init_exp, 0);
8297 636 : gfc_free_expr (init_exp);
8298 636 : gfc_add_expr_to_block (&init, tmp);
8299 : }
8300 :
8301 1200 : if (rsym->ts.u.derived->attr.alloc_comp)
8302 : {
8303 433 : rank = rsym->as ? rsym->as->rank : 0;
8304 433 : tmp = gfc_nullify_alloc_comp (rsym->ts.u.derived, result,
8305 : rank);
8306 433 : gfc_prepend_expr_to_block (&body, tmp);
8307 : }
8308 : }
8309 : }
8310 :
8311 12008 : if (result == NULL_TREE || artificial_result_decl)
8312 : /* TODO: move to the appropriate place in resolve.cc. */
8313 232 : emit_not_set_warning (sym);
8314 :
8315 232 : if (result != NULL_TREE)
8316 11822 : gfc_add_expr_to_block (&body, gfc_generate_return ());
8317 : }
8318 :
8319 : /* Reset recursion-check variable. */
8320 84311 : if (recurcheckvar != NULL_TREE)
8321 : {
8322 840 : gfc_add_modify (&cleanup, recurcheckvar, logical_false_node);
8323 840 : recurcheckvar = NULL;
8324 : }
8325 :
8326 : /* If IEEE modules are loaded, restore the floating-point state. */
8327 84311 : if (ieee)
8328 445 : gfc_restore_fp_state (&cleanup, fpstate);
8329 :
8330 : /* Finish the function body and add init and cleanup code. */
8331 84311 : tmp = gfc_finish_block (&body);
8332 : /* Add code to create and cleanup arrays. */
8333 84311 : gfc_start_wrapped_block (&try_block, tmp);
8334 84311 : gfc_trans_deferred_vars (sym, &try_block);
8335 84311 : gfc_add_init_cleanup (&try_block, gfc_finish_block (&init),
8336 : gfc_finish_block (&cleanup));
8337 :
8338 : /* Add all the decls we created during processing. */
8339 84311 : decl = nreverse (saved_function_decls);
8340 460468 : while (decl)
8341 : {
8342 291846 : tree next;
8343 :
8344 291846 : next = DECL_CHAIN (decl);
8345 291846 : DECL_CHAIN (decl) = NULL_TREE;
8346 291846 : pushdecl (decl);
8347 291846 : decl = next;
8348 : }
8349 84311 : saved_function_decls = NULL_TREE;
8350 :
8351 84311 : gfc_add_expr_to_block (&outer_block, gfc_finish_wrapped_block (&try_block));
8352 84311 : DECL_SAVED_TREE (fndecl) = gfc_finish_block (&outer_block);
8353 84311 : decl = getdecls ();
8354 :
8355 : /* Finish off this function and send it for code generation. */
8356 84311 : poplevel (1, 1);
8357 84311 : BLOCK_SUPERCONTEXT (DECL_INITIAL (fndecl)) = fndecl;
8358 :
8359 168622 : DECL_SAVED_TREE (fndecl)
8360 168622 : = fold_build3_loc (DECL_SOURCE_LOCATION (fndecl), BIND_EXPR, void_type_node,
8361 168622 : decl, DECL_SAVED_TREE (fndecl), DECL_INITIAL (fndecl));
8362 :
8363 : /* Output the GENERIC tree. */
8364 84311 : dump_function (TDI_original, fndecl);
8365 :
8366 : /* Store the end of the function, so that we get good line number
8367 : info for the epilogue. */
8368 84311 : cfun->function_end_locus = input_location;
8369 :
8370 : /* We're leaving the context of this function, so zap cfun.
8371 : It's still in DECL_STRUCT_FUNCTION, and we'll restore it in
8372 : tree_rest_of_compilation. */
8373 84311 : set_cfun (NULL);
8374 :
8375 84311 : if (old_context)
8376 : {
8377 22902 : pop_function_context ();
8378 22902 : saved_function_decls = saved_parent_function_decls;
8379 : }
8380 84311 : current_function_decl = old_context;
8381 :
8382 84311 : if (decl_function_context (fndecl))
8383 : {
8384 : /* Register this function with cgraph just far enough to get it
8385 : added to our parent's nested function list.
8386 : If there are static coarrays in this function, the nested _caf_init
8387 : function has already called cgraph_create_node, which also created
8388 : the cgraph node for this function. */
8389 22902 : if (!has_coarray_vars_or_accessors || flag_coarray != GFC_FCOARRAY_LIB)
8390 22700 : (void) cgraph_node::get_create (fndecl);
8391 : }
8392 : else
8393 61409 : cgraph_node::finalize_function (fndecl, true);
8394 :
8395 84311 : gfc_trans_use_stmts (ns);
8396 84311 : gfc_traverse_ns (ns, gfc_emit_parameter_debug_info);
8397 :
8398 84311 : if (sym->attr.is_main_program)
8399 26085 : create_main_function (fndecl);
8400 :
8401 84311 : current_procedure_symbol = previous_procedure_symbol;
8402 84311 : }
8403 :
8404 :
8405 : void
8406 31350 : gfc_generate_constructors (void)
8407 : {
8408 31350 : gcc_assert (gfc_static_ctors == NULL_TREE);
8409 : #if 0
8410 : tree fnname;
8411 : tree type;
8412 : tree fndecl;
8413 : tree decl;
8414 : tree tmp;
8415 :
8416 : if (gfc_static_ctors == NULL_TREE)
8417 : return;
8418 :
8419 : fnname = get_file_function_name ("I");
8420 : type = build_function_type_list (void_type_node, NULL_TREE);
8421 :
8422 : fndecl = build_decl (input_location,
8423 : FUNCTION_DECL, fnname, type);
8424 : TREE_PUBLIC (fndecl) = 1;
8425 :
8426 : decl = build_decl (input_location,
8427 : RESULT_DECL, NULL_TREE, void_type_node);
8428 : DECL_ARTIFICIAL (decl) = 1;
8429 : DECL_IGNORED_P (decl) = 1;
8430 : DECL_CONTEXT (decl) = fndecl;
8431 : DECL_RESULT (fndecl) = decl;
8432 :
8433 : pushdecl (fndecl);
8434 :
8435 : current_function_decl = fndecl;
8436 :
8437 : rest_of_decl_compilation (fndecl, 1, 0);
8438 :
8439 : make_decl_rtl (fndecl);
8440 :
8441 : allocate_struct_function (fndecl, false);
8442 :
8443 : pushlevel ();
8444 :
8445 : for (; gfc_static_ctors; gfc_static_ctors = TREE_CHAIN (gfc_static_ctors))
8446 : {
8447 : tmp = build_call_expr_loc (input_location,
8448 : TREE_VALUE (gfc_static_ctors), 0);
8449 : DECL_SAVED_TREE (fndecl) = build_stmt (input_location, EXPR_STMT, tmp);
8450 : }
8451 :
8452 : decl = getdecls ();
8453 : poplevel (1, 1);
8454 :
8455 : BLOCK_SUPERCONTEXT (DECL_INITIAL (fndecl)) = fndecl;
8456 : DECL_SAVED_TREE (fndecl)
8457 : = build3_v (BIND_EXPR, decl, DECL_SAVED_TREE (fndecl),
8458 : DECL_INITIAL (fndecl));
8459 :
8460 : free_after_parsing (cfun);
8461 : free_after_compilation (cfun);
8462 :
8463 : tree_rest_of_compilation (fndecl);
8464 :
8465 : current_function_decl = NULL_TREE;
8466 : #endif
8467 31350 : }
8468 :
8469 :
8470 : /* Helper function for checking of variables declared in a BLOCK DATA program
8471 : unit. */
8472 :
8473 : static void
8474 300 : check_block_data_decls (gfc_symbol * sym)
8475 : {
8476 300 : if (warn_unused_variable
8477 13 : && sym->attr.flavor == FL_VARIABLE
8478 7 : && !sym->attr.in_common
8479 3 : && !sym->attr.artificial)
8480 : {
8481 2 : gfc_warning (OPT_Wunused_variable,
8482 : "Symbol %qs at %L is declared in a BLOCK DATA "
8483 : "program unit but is not in a COMMON block",
8484 : sym->name, &sym->declared_at);
8485 : }
8486 300 : }
8487 :
8488 :
8489 : /* Translates a BLOCK DATA program unit. This means emitting the
8490 : commons contained therein plus their initializations. We also emit
8491 : a globally visible symbol to make sure that each BLOCK DATA program
8492 : unit remains unique. */
8493 :
8494 : void
8495 72 : gfc_generate_block_data (gfc_namespace * ns)
8496 : {
8497 72 : tree decl;
8498 72 : tree id;
8499 :
8500 : /* Tell the backend the source location of the block data. */
8501 72 : if (ns->proc_name)
8502 29 : input_location = gfc_get_location (&ns->proc_name->declared_at);
8503 : else
8504 43 : input_location = gfc_get_location (&gfc_current_locus);
8505 :
8506 : /* Process the DATA statements. */
8507 72 : gfc_trans_common (ns);
8508 :
8509 : /* Check for variables declared in BLOCK DATA but not used in COMMON. */
8510 72 : gfc_traverse_ns (ns, check_block_data_decls);
8511 :
8512 : /* Create a global symbol with the mane of the block data. This is to
8513 : generate linker errors if the same name is used twice. It is never
8514 : really used. */
8515 72 : if (ns->proc_name)
8516 29 : id = gfc_sym_mangled_function_id (ns->proc_name);
8517 : else
8518 43 : id = get_identifier ("__BLOCK_DATA__");
8519 :
8520 72 : decl = build_decl (input_location,
8521 : VAR_DECL, id, gfc_array_index_type);
8522 72 : TREE_PUBLIC (decl) = 1;
8523 72 : TREE_STATIC (decl) = 1;
8524 72 : DECL_IGNORED_P (decl) = 1;
8525 :
8526 72 : pushdecl (decl);
8527 72 : rest_of_decl_compilation (decl, 1, 0);
8528 72 : }
8529 :
8530 : void
8531 13939 : gfc_start_saved_local_decls ()
8532 : {
8533 13939 : gcc_checking_assert (current_function_decl != NULL_TREE);
8534 13939 : saved_local_decls = NULL_TREE;
8535 13939 : }
8536 :
8537 : void
8538 13939 : gfc_stop_saved_local_decls ()
8539 : {
8540 13939 : tree decl = nreverse (saved_local_decls);
8541 40793 : while (decl)
8542 : {
8543 12915 : tree next;
8544 :
8545 12915 : next = DECL_CHAIN (decl);
8546 12915 : DECL_CHAIN (decl) = NULL_TREE;
8547 12915 : pushdecl (decl);
8548 12915 : decl = next;
8549 : }
8550 13939 : saved_local_decls = NULL_TREE;
8551 13939 : }
8552 :
8553 : /* Process the local variables of a BLOCK construct. */
8554 :
8555 : void
8556 13891 : gfc_process_block_locals (gfc_namespace* ns)
8557 : {
8558 13891 : gfc_start_saved_local_decls ();
8559 13891 : has_coarray_vars_or_accessors = caf_accessor_head != NULL;
8560 :
8561 13891 : generate_local_vars (ns);
8562 :
8563 13891 : if (flag_coarray == GFC_FCOARRAY_LIB && has_coarray_vars_or_accessors)
8564 41 : generate_coarray_init (ns);
8565 13891 : gfc_stop_saved_local_decls ();
8566 13891 : }
8567 :
8568 :
8569 : #include "gt-fortran-trans-decl.h"
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