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f36327db | 1 | /* gfortran backend interface |
2b65cd83 | 2 | Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010 |
6c7a4dfd | 3 | Free Software Foundation, Inc. |
6de9cd9a DN |
4 | Contributed by Paul Brook. |
5 | ||
9fc4d79b | 6 | This file is part of GCC. |
6de9cd9a | 7 | |
9fc4d79b TS |
8 | GCC is free software; you can redistribute it and/or modify it under |
9 | the terms of the GNU General Public License as published by the Free | |
d234d788 | 10 | Software Foundation; either version 3, or (at your option) any later |
9fc4d79b | 11 | version. |
6de9cd9a | 12 | |
9fc4d79b TS |
13 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 | for more details. | |
6de9cd9a DN |
17 | |
18 | You should have received a copy of the GNU General Public License | |
d234d788 NC |
19 | along with GCC; see the file COPYING3. If not see |
20 | <http://www.gnu.org/licenses/>. */ | |
6de9cd9a DN |
21 | |
22 | /* f95-lang.c-- GCC backend interface stuff */ | |
23 | ||
24 | /* declare required prototypes: */ | |
25 | ||
26 | #include "config.h" | |
d22e4895 | 27 | #include "system.h" |
6de9cd9a DN |
28 | #include "ansidecl.h" |
29 | #include "system.h" | |
30 | #include "coretypes.h" | |
31 | #include "tree.h" | |
726a989a | 32 | #include "gimple.h" |
6de9cd9a DN |
33 | #include "flags.h" |
34 | #include "langhooks.h" | |
35 | #include "langhooks-def.h" | |
36 | #include "timevar.h" | |
37 | #include "tm.h" | |
38 | #include "function.h" | |
39 | #include "ggc.h" | |
40 | #include "toplev.h" | |
41 | #include "target.h" | |
42 | #include "debug.h" | |
43 | #include "diagnostic.h" | |
44 | #include "tree-dump.h" | |
45 | #include "cgraph.h" | |
602b8523 TB |
46 | /* For gfc_maybe_initialize_eh. */ |
47 | #include "libfuncs.h" | |
48 | #include "expr.h" | |
49 | #include "except.h" | |
6de9cd9a DN |
50 | |
51 | #include "gfortran.h" | |
670637ee | 52 | #include "cpp.h" |
6de9cd9a DN |
53 | #include "trans.h" |
54 | #include "trans-types.h" | |
55 | #include "trans-const.h" | |
56 | ||
6de9cd9a DN |
57 | /* Language-dependent contents of an identifier. */ |
58 | ||
d1b38208 TG |
59 | struct GTY(()) |
60 | lang_identifier { | |
6de9cd9a DN |
61 | struct tree_identifier common; |
62 | }; | |
63 | ||
64 | /* The resulting tree type. */ | |
65 | ||
d1b38208 | 66 | union GTY((desc ("TREE_CODE (&%h.generic) == IDENTIFIER_NODE"), |
726a989a | 67 | chain_next ("(union lang_tree_node *)TREE_CHAIN (&%h.generic)"))) |
07beea0d | 68 | |
d1b38208 | 69 | lang_tree_node { |
6de9cd9a DN |
70 | union tree_node GTY((tag ("0"), |
71 | desc ("tree_node_structure (&%h)"))) generic; | |
72 | struct lang_identifier GTY((tag ("1"))) identifier; | |
73 | }; | |
74 | ||
75 | /* Save and restore the variables in this file and elsewhere | |
76 | that keep track of the progress of compilation of the current function. | |
77 | Used for nested functions. */ | |
78 | ||
d1b38208 TG |
79 | struct GTY(()) |
80 | language_function { | |
6de9cd9a | 81 | /* struct gfc_language_function base; */ |
6de9cd9a DN |
82 | struct binding_level *binding_level; |
83 | }; | |
84 | ||
85 | /* We don't have a lex/yacc lexer/parser, but toplev expects these to | |
86 | exist anyway. */ | |
87 | void yyerror (const char *str); | |
88 | int yylex (void); | |
89 | ||
90 | static void gfc_init_decl_processing (void); | |
91 | static void gfc_init_builtin_functions (void); | |
92 | ||
93 | /* Each front end provides its own. */ | |
94 | static bool gfc_init (void); | |
95 | static void gfc_finish (void); | |
96 | static void gfc_print_identifier (FILE *, tree, int); | |
6de9cd9a DN |
97 | void do_function_end (void); |
98 | int global_bindings_p (void); | |
30e257e5 | 99 | static void clear_binding_stack (void); |
6de9cd9a | 100 | static void gfc_be_parse_file (int); |
4862826d | 101 | static alias_set_type gfc_get_alias_set (tree); |
a64f5186 | 102 | static void gfc_init_ts (void); |
6de9cd9a DN |
103 | |
104 | #undef LANG_HOOKS_NAME | |
105 | #undef LANG_HOOKS_INIT | |
106 | #undef LANG_HOOKS_FINISH | |
107 | #undef LANG_HOOKS_INIT_OPTIONS | |
108 | #undef LANG_HOOKS_HANDLE_OPTION | |
109 | #undef LANG_HOOKS_POST_OPTIONS | |
110 | #undef LANG_HOOKS_PRINT_IDENTIFIER | |
111 | #undef LANG_HOOKS_PARSE_FILE | |
6de9cd9a DN |
112 | #undef LANG_HOOKS_MARK_ADDRESSABLE |
113 | #undef LANG_HOOKS_TYPE_FOR_MODE | |
114 | #undef LANG_HOOKS_TYPE_FOR_SIZE | |
7b9c708f | 115 | #undef LANG_HOOKS_GET_ALIAS_SET |
a64f5186 | 116 | #undef LANG_HOOKS_INIT_TS |
6c7a4dfd JJ |
117 | #undef LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE |
118 | #undef LANG_HOOKS_OMP_PREDETERMINED_SHARING | |
cd75853e | 119 | #undef LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR |
a68ab351 JJ |
120 | #undef LANG_HOOKS_OMP_CLAUSE_COPY_CTOR |
121 | #undef LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP | |
122 | #undef LANG_HOOKS_OMP_CLAUSE_DTOR | |
6c7a4dfd JJ |
123 | #undef LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR |
124 | #undef LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE | |
a68ab351 | 125 | #undef LANG_HOOKS_OMP_PRIVATE_OUTER_REF |
6c7a4dfd | 126 | #undef LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES |
c79efc4d | 127 | #undef LANG_HOOKS_BUILTIN_FUNCTION |
fad0afd7 | 128 | #undef LANG_HOOKS_GET_ARRAY_DESCR_INFO |
6de9cd9a DN |
129 | |
130 | /* Define lang hooks. */ | |
3135ce84 | 131 | #define LANG_HOOKS_NAME "GNU Fortran" |
6de9cd9a DN |
132 | #define LANG_HOOKS_INIT gfc_init |
133 | #define LANG_HOOKS_FINISH gfc_finish | |
134 | #define LANG_HOOKS_INIT_OPTIONS gfc_init_options | |
135 | #define LANG_HOOKS_HANDLE_OPTION gfc_handle_option | |
136 | #define LANG_HOOKS_POST_OPTIONS gfc_post_options | |
137 | #define LANG_HOOKS_PRINT_IDENTIFIER gfc_print_identifier | |
138 | #define LANG_HOOKS_PARSE_FILE gfc_be_parse_file | |
a64f5186 JJ |
139 | #define LANG_HOOKS_TYPE_FOR_MODE gfc_type_for_mode |
140 | #define LANG_HOOKS_TYPE_FOR_SIZE gfc_type_for_size | |
141 | #define LANG_HOOKS_GET_ALIAS_SET gfc_get_alias_set | |
142 | #define LANG_HOOKS_INIT_TS gfc_init_ts | |
6c7a4dfd JJ |
143 | #define LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE gfc_omp_privatize_by_reference |
144 | #define LANG_HOOKS_OMP_PREDETERMINED_SHARING gfc_omp_predetermined_sharing | |
cd75853e | 145 | #define LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR gfc_omp_clause_default_ctor |
a68ab351 JJ |
146 | #define LANG_HOOKS_OMP_CLAUSE_COPY_CTOR gfc_omp_clause_copy_ctor |
147 | #define LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP gfc_omp_clause_assign_op | |
148 | #define LANG_HOOKS_OMP_CLAUSE_DTOR gfc_omp_clause_dtor | |
6c7a4dfd JJ |
149 | #define LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR gfc_omp_disregard_value_expr |
150 | #define LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE gfc_omp_private_debug_clause | |
a68ab351 | 151 | #define LANG_HOOKS_OMP_PRIVATE_OUTER_REF gfc_omp_private_outer_ref |
6c7a4dfd JJ |
152 | #define LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES \ |
153 | gfc_omp_firstprivatize_type_sizes | |
c79efc4d | 154 | #define LANG_HOOKS_BUILTIN_FUNCTION gfc_builtin_function |
fad0afd7 | 155 | #define LANG_HOOKS_GET_ARRAY_DESCR_INFO gfc_get_array_descr_info |
6de9cd9a | 156 | |
4537ec0c | 157 | struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER; |
6de9cd9a | 158 | |
6de9cd9a DN |
159 | #define NULL_BINDING_LEVEL (struct binding_level *) NULL |
160 | ||
161 | /* A chain of binding_level structures awaiting reuse. */ | |
162 | ||
163 | static GTY(()) struct binding_level *free_binding_level; | |
164 | ||
165 | /* The elements of `ridpointers' are identifier nodes | |
166 | for the reserved type names and storage classes. | |
167 | It is indexed by a RID_... value. */ | |
168 | tree *ridpointers = NULL; | |
169 | ||
602b8523 TB |
170 | /* True means we've initialized exception handling. */ |
171 | bool gfc_eh_initialized_p; | |
172 | ||
173 | ||
6de9cd9a DN |
174 | /* Prepare expr to be an argument of a TRUTH_NOT_EXPR, |
175 | or validate its data type for an `if' or `while' statement or ?..: exp. | |
176 | ||
177 | This preparation consists of taking the ordinary | |
178 | representation of an expression expr and producing a valid tree | |
179 | boolean expression describing whether expr is nonzero. We could | |
180 | simply always do build_binary_op (NE_EXPR, expr, boolean_false_node, 1), | |
181 | but we optimize comparisons, &&, ||, and !. | |
182 | ||
183 | The resulting type should always be `boolean_type_node'. | |
184 | This is much simpler than the corresponding C version because we have a | |
185 | distinct boolean type. */ | |
186 | ||
187 | tree | |
188 | gfc_truthvalue_conversion (tree expr) | |
189 | { | |
190 | switch (TREE_CODE (TREE_TYPE (expr))) | |
191 | { | |
192 | case BOOLEAN_TYPE: | |
193 | if (TREE_TYPE (expr) == boolean_type_node) | |
194 | return expr; | |
6615c446 | 195 | else if (COMPARISON_CLASS_P (expr)) |
6de9cd9a DN |
196 | { |
197 | TREE_TYPE (expr) = boolean_type_node; | |
198 | return expr; | |
199 | } | |
200 | else if (TREE_CODE (expr) == NOP_EXPR) | |
44855d8c TS |
201 | return fold_build1 (NOP_EXPR, |
202 | boolean_type_node, TREE_OPERAND (expr, 0)); | |
6de9cd9a | 203 | else |
44855d8c | 204 | return fold_build1 (NOP_EXPR, boolean_type_node, expr); |
6de9cd9a DN |
205 | |
206 | case INTEGER_TYPE: | |
207 | if (TREE_CODE (expr) == INTEGER_CST) | |
208 | return integer_zerop (expr) ? boolean_false_node : boolean_true_node; | |
209 | else | |
44855d8c TS |
210 | return fold_build2 (NE_EXPR, boolean_type_node, expr, |
211 | build_int_cst (TREE_TYPE (expr), 0)); | |
6de9cd9a DN |
212 | |
213 | default: | |
214 | internal_error ("Unexpected type in truthvalue_conversion"); | |
215 | } | |
216 | } | |
217 | ||
b251af97 | 218 | |
6de9cd9a DN |
219 | static void |
220 | gfc_create_decls (void) | |
221 | { | |
222 | /* GCC builtins. */ | |
223 | gfc_init_builtin_functions (); | |
224 | ||
225 | /* Runtime/IO library functions. */ | |
226 | gfc_build_builtin_function_decls (); | |
227 | ||
228 | gfc_init_constants (); | |
229 | } | |
230 | ||
b251af97 | 231 | |
6de9cd9a DN |
232 | static void |
233 | gfc_be_parse_file (int set_yydebug ATTRIBUTE_UNUSED) | |
234 | { | |
235 | int errors; | |
236 | int warnings; | |
237 | ||
238 | gfc_create_decls (); | |
239 | gfc_parse_file (); | |
240 | gfc_generate_constructors (); | |
241 | ||
df2fba9e | 242 | /* Tell the frontend about any errors. */ |
6de9cd9a DN |
243 | gfc_get_errors (&warnings, &errors); |
244 | errorcount += errors; | |
245 | warningcount += warnings; | |
30e257e5 PB |
246 | |
247 | clear_binding_stack (); | |
6de9cd9a | 248 | } |
b251af97 SK |
249 | |
250 | ||
6de9cd9a DN |
251 | /* Initialize everything. */ |
252 | ||
253 | static bool | |
254 | gfc_init (void) | |
255 | { | |
670637ee DF |
256 | if (!gfc_cpp_enabled ()) |
257 | { | |
258 | linemap_add (line_table, LC_ENTER, false, gfc_source_file, 1); | |
259 | linemap_add (line_table, LC_RENAME, false, "<built-in>", 0); | |
260 | } | |
261 | else | |
262 | gfc_cpp_init_0 (); | |
c8cc8542 | 263 | |
6de9cd9a DN |
264 | gfc_init_decl_processing (); |
265 | gfc_static_ctors = NULL_TREE; | |
266 | ||
670637ee DF |
267 | if (gfc_cpp_enabled ()) |
268 | gfc_cpp_init (); | |
269 | ||
6de9cd9a DN |
270 | gfc_init_1 (); |
271 | ||
e0bcf78c TS |
272 | if (gfc_new_file () != SUCCESS) |
273 | fatal_error ("can't open input file: %s", gfc_source_file); | |
670637ee | 274 | |
6de9cd9a DN |
275 | return true; |
276 | } | |
277 | ||
278 | ||
279 | static void | |
280 | gfc_finish (void) | |
281 | { | |
670637ee | 282 | gfc_cpp_done (); |
6de9cd9a DN |
283 | gfc_done_1 (); |
284 | gfc_release_include_path (); | |
285 | return; | |
286 | } | |
287 | ||
288 | static void | |
289 | gfc_print_identifier (FILE * file ATTRIBUTE_UNUSED, | |
290 | tree node ATTRIBUTE_UNUSED, | |
291 | int indent ATTRIBUTE_UNUSED) | |
292 | { | |
293 | return; | |
294 | } | |
b251af97 | 295 | |
6de9cd9a DN |
296 | |
297 | /* These functions and variables deal with binding contours. We only | |
298 | need these functions for the list of PARM_DECLs, but we leave the | |
299 | functions more general; these are a simplified version of the | |
300 | functions from GNAT. */ | |
301 | ||
b251af97 SK |
302 | /* For each binding contour we allocate a binding_level structure which |
303 | records the entities defined or declared in that contour. Contours | |
304 | include: | |
6de9cd9a DN |
305 | |
306 | the global one | |
307 | one for each subprogram definition | |
308 | one for each compound statement (declare block) | |
309 | ||
310 | Binding contours are used to create GCC tree BLOCK nodes. */ | |
311 | ||
d1b38208 TG |
312 | struct GTY(()) |
313 | binding_level { | |
6de9cd9a DN |
314 | /* A chain of ..._DECL nodes for all variables, constants, functions, |
315 | parameters and type declarations. These ..._DECL nodes are chained | |
316 | through the TREE_CHAIN field. Note that these ..._DECL nodes are stored | |
317 | in the reverse of the order supplied to be compatible with the | |
318 | back-end. */ | |
319 | tree names; | |
320 | /* For each level (except the global one), a chain of BLOCK nodes for all | |
321 | the levels that were entered and exited one level down from this one. */ | |
322 | tree blocks; | |
f7b529fa | 323 | /* The binding level containing this one (the enclosing binding level). */ |
6de9cd9a DN |
324 | struct binding_level *level_chain; |
325 | }; | |
326 | ||
327 | /* The binding level currently in effect. */ | |
328 | static GTY(()) struct binding_level *current_binding_level = NULL; | |
329 | ||
330 | /* The outermost binding level. This binding level is created when the | |
331 | compiler is started and it will exist through the entire compilation. */ | |
332 | static GTY(()) struct binding_level *global_binding_level; | |
333 | ||
334 | /* Binding level structures are initialized by copying this one. */ | |
9dcf6e73 | 335 | static struct binding_level clear_binding_level = { NULL, NULL, NULL }; |
b251af97 SK |
336 | |
337 | ||
13795658 | 338 | /* Return nonzero if we are currently in the global binding level. */ |
6de9cd9a DN |
339 | |
340 | int | |
341 | global_bindings_p (void) | |
342 | { | |
343 | return current_binding_level == global_binding_level ? -1 : 0; | |
344 | } | |
345 | ||
346 | tree | |
347 | getdecls (void) | |
348 | { | |
349 | return current_binding_level->names; | |
350 | } | |
351 | ||
352 | /* Enter a new binding level. The input parameter is ignored, but has to be | |
353 | specified for back-end compatibility. */ | |
354 | ||
355 | void | |
356 | pushlevel (int ignore ATTRIBUTE_UNUSED) | |
357 | { | |
358 | struct binding_level *newlevel | |
359 | = (struct binding_level *) ggc_alloc (sizeof (struct binding_level)); | |
360 | ||
361 | *newlevel = clear_binding_level; | |
362 | ||
363 | /* Add this level to the front of the chain (stack) of levels that are | |
364 | active. */ | |
365 | newlevel->level_chain = current_binding_level; | |
366 | current_binding_level = newlevel; | |
367 | } | |
368 | ||
369 | /* Exit a binding level. | |
370 | Pop the level off, and restore the state of the identifier-decl mappings | |
371 | that were in effect when this level was entered. | |
372 | ||
373 | If KEEP is nonzero, this level had explicit declarations, so | |
374 | and create a "block" (a BLOCK node) for the level | |
375 | to record its declarations and subblocks for symbol table output. | |
376 | ||
377 | If FUNCTIONBODY is nonzero, this level is the body of a function, | |
378 | so create a block as if KEEP were set and also clear out all | |
379 | label names. | |
380 | ||
381 | If REVERSE is nonzero, reverse the order of decls before putting | |
382 | them into the BLOCK. */ | |
383 | ||
384 | tree | |
385 | poplevel (int keep, int reverse, int functionbody) | |
386 | { | |
1f2959f0 | 387 | /* Points to a BLOCK tree node. This is the BLOCK node constructed for the |
6de9cd9a DN |
388 | binding level that we are about to exit and which is returned by this |
389 | routine. */ | |
390 | tree block_node = NULL_TREE; | |
391 | tree decl_chain; | |
392 | tree subblock_chain = current_binding_level->blocks; | |
393 | tree subblock_node; | |
6de9cd9a DN |
394 | |
395 | /* Reverse the list of XXXX_DECL nodes if desired. Note that the ..._DECL | |
396 | nodes chained through the `names' field of current_binding_level are in | |
1f2959f0 | 397 | reverse order except for PARM_DECL node, which are explicitly stored in |
6de9cd9a DN |
398 | the right order. */ |
399 | decl_chain = (reverse) ? nreverse (current_binding_level->names) | |
b251af97 | 400 | : current_binding_level->names; |
6de9cd9a | 401 | |
6de9cd9a DN |
402 | /* If there were any declarations in the current binding level, or if this |
403 | binding level is a function body, or if there are any nested blocks then | |
404 | create a BLOCK node to record them for the life of this function. */ | |
9dcf6e73 | 405 | if (keep || functionbody) |
22e8617b | 406 | block_node = build_block (keep ? decl_chain : 0, subblock_chain, 0, 0); |
6de9cd9a DN |
407 | |
408 | /* Record the BLOCK node just built as the subblock its enclosing scope. */ | |
409 | for (subblock_node = subblock_chain; subblock_node; | |
410 | subblock_node = TREE_CHAIN (subblock_node)) | |
411 | BLOCK_SUPERCONTEXT (subblock_node) = block_node; | |
412 | ||
413 | /* Clear out the meanings of the local variables of this level. */ | |
414 | ||
415 | for (subblock_node = decl_chain; subblock_node; | |
416 | subblock_node = TREE_CHAIN (subblock_node)) | |
417 | if (DECL_NAME (subblock_node) != 0) | |
418 | /* If the identifier was used or addressed via a local extern decl, | |
f7b529fa | 419 | don't forget that fact. */ |
6de9cd9a DN |
420 | if (DECL_EXTERNAL (subblock_node)) |
421 | { | |
422 | if (TREE_USED (subblock_node)) | |
423 | TREE_USED (DECL_NAME (subblock_node)) = 1; | |
424 | if (TREE_ADDRESSABLE (subblock_node)) | |
425 | TREE_ADDRESSABLE (DECL_ASSEMBLER_NAME (subblock_node)) = 1; | |
426 | } | |
427 | ||
428 | /* Pop the current level. */ | |
429 | current_binding_level = current_binding_level->level_chain; | |
430 | ||
431 | if (functionbody) | |
c7c79a09 JJ |
432 | /* This is the top level block of a function. */ |
433 | DECL_INITIAL (current_function_decl) = block_node; | |
77092cda JJ |
434 | else if (current_binding_level == global_binding_level) |
435 | /* When using gfc_start_block/gfc_finish_block from middle-end hooks, | |
df2fba9e | 436 | don't add newly created BLOCKs as subblocks of global_binding_level. */ |
77092cda | 437 | ; |
6de9cd9a DN |
438 | else if (block_node) |
439 | { | |
9dcf6e73 JM |
440 | current_binding_level->blocks |
441 | = chainon (current_binding_level->blocks, block_node); | |
6de9cd9a DN |
442 | } |
443 | ||
444 | /* If we did not make a block for the level just exited, any blocks made for | |
445 | inner levels (since they cannot be recorded as subblocks in that level) | |
446 | must be carried forward so they will later become subblocks of something | |
447 | else. */ | |
448 | else if (subblock_chain) | |
449 | current_binding_level->blocks | |
450 | = chainon (current_binding_level->blocks, subblock_chain); | |
451 | if (block_node) | |
452 | TREE_USED (block_node) = 1; | |
453 | ||
454 | return block_node; | |
455 | } | |
b251af97 SK |
456 | |
457 | ||
6de9cd9a | 458 | /* Records a ..._DECL node DECL as belonging to the current lexical scope. |
f7b529fa | 459 | Returns the ..._DECL node. */ |
6de9cd9a DN |
460 | |
461 | tree | |
462 | pushdecl (tree decl) | |
463 | { | |
464 | /* External objects aren't nested, other objects may be. */ | |
465 | if ((DECL_EXTERNAL (decl)) || (decl == current_function_decl)) | |
466 | DECL_CONTEXT (decl) = 0; | |
467 | else | |
468 | DECL_CONTEXT (decl) = current_function_decl; | |
469 | ||
470 | /* Put the declaration on the list. The list of declarations is in reverse | |
471 | order. The list will be reversed later if necessary. This needs to be | |
472 | this way for compatibility with the back-end. */ | |
473 | ||
474 | TREE_CHAIN (decl) = current_binding_level->names; | |
475 | current_binding_level->names = decl; | |
476 | ||
69de3b83 | 477 | /* For the declaration of a type, set its name if it is not already set. */ |
6de9cd9a DN |
478 | |
479 | if (TREE_CODE (decl) == TYPE_DECL && TYPE_NAME (TREE_TYPE (decl)) == 0) | |
480 | { | |
481 | if (DECL_SOURCE_LINE (decl) == 0) | |
482 | TYPE_NAME (TREE_TYPE (decl)) = decl; | |
483 | else | |
484 | TYPE_NAME (TREE_TYPE (decl)) = DECL_NAME (decl); | |
485 | } | |
486 | ||
487 | return decl; | |
488 | } | |
489 | ||
490 | ||
491 | /* Like pushdecl, only it places X in GLOBAL_BINDING_LEVEL. */ | |
492 | ||
493 | tree | |
494 | pushdecl_top_level (tree x) | |
495 | { | |
496 | tree t; | |
497 | struct binding_level *b = current_binding_level; | |
498 | ||
499 | current_binding_level = global_binding_level; | |
500 | t = pushdecl (x); | |
501 | current_binding_level = b; | |
502 | return t; | |
503 | } | |
504 | ||
505 | ||
9dcf6e73 JM |
506 | /* Clear the binding stack. */ |
507 | static void | |
30e257e5 | 508 | clear_binding_stack (void) |
9dcf6e73 JM |
509 | { |
510 | while (!global_bindings_p ()) | |
511 | poplevel (0, 0, 0); | |
512 | } | |
513 | ||
514 | ||
6de9cd9a DN |
515 | #ifndef CHAR_TYPE_SIZE |
516 | #define CHAR_TYPE_SIZE BITS_PER_UNIT | |
517 | #endif | |
518 | ||
519 | #ifndef INT_TYPE_SIZE | |
520 | #define INT_TYPE_SIZE BITS_PER_WORD | |
521 | #endif | |
522 | ||
523 | #undef SIZE_TYPE | |
524 | #define SIZE_TYPE "long unsigned int" | |
525 | ||
526 | /* Create tree nodes for the basic scalar types of Fortran 95, | |
527 | and some nodes representing standard constants (0, 1, (void *) 0). | |
528 | Initialize the global binding level. | |
529 | Make definitions for built-in primitive functions. */ | |
530 | static void | |
531 | gfc_init_decl_processing (void) | |
532 | { | |
533 | current_function_decl = NULL; | |
6de9cd9a DN |
534 | current_binding_level = NULL_BINDING_LEVEL; |
535 | free_binding_level = NULL_BINDING_LEVEL; | |
536 | ||
537 | /* Make the binding_level structure for global names. We move all | |
538 | variables that are in a COMMON block to this binding level. */ | |
539 | pushlevel (0); | |
540 | global_binding_level = current_binding_level; | |
541 | ||
542 | /* Build common tree nodes. char_type_node is unsigned because we | |
543 | only use it for actual characters, not for INTEGER(1). Also, we | |
f7b529fa | 544 | want double_type_node to actually have double precision. */ |
3b9e5d95 | 545 | build_common_tree_nodes (false); |
df2fba9e | 546 | /* x86_64 mingw32 has a sizetype of "unsigned long long", most other hosts |
fcdb5d68 KT |
547 | have a sizetype of "unsigned long". Therefore choose the correct size |
548 | in mostly target independent way. */ | |
6384205f | 549 | if (TYPE_MODE (long_unsigned_type_node) == ptr_mode) |
fcdb5d68 | 550 | set_sizetype (long_unsigned_type_node); |
6384205f | 551 | else if (TYPE_MODE (long_long_unsigned_type_node) == ptr_mode) |
fcdb5d68 KT |
552 | set_sizetype (long_long_unsigned_type_node); |
553 | else | |
554 | set_sizetype (long_unsigned_type_node); | |
6de9cd9a | 555 | build_common_tree_nodes_2 (0); |
24cc1193 | 556 | void_list_node = build_tree_list (NULL_TREE, void_type_node); |
6de9cd9a DN |
557 | |
558 | /* Set up F95 type nodes. */ | |
5e8e542f | 559 | gfc_init_kinds (); |
6de9cd9a DN |
560 | gfc_init_types (); |
561 | } | |
562 | ||
b251af97 | 563 | |
7b9c708f JJ |
564 | /* Return the typed-based alias set for T, which may be an expression |
565 | or a type. Return -1 if we don't do anything special. */ | |
566 | ||
4862826d | 567 | static alias_set_type |
7b9c708f JJ |
568 | gfc_get_alias_set (tree t) |
569 | { | |
570 | tree u; | |
571 | ||
572 | /* Permit type-punning when accessing an EQUIVALENCEd variable or | |
573 | mixed type entry master's return value. */ | |
574 | for (u = t; handled_component_p (u); u = TREE_OPERAND (u, 0)) | |
575 | if (TREE_CODE (u) == COMPONENT_REF | |
576 | && TREE_CODE (TREE_TYPE (TREE_OPERAND (u, 0))) == UNION_TYPE) | |
577 | return 0; | |
578 | ||
579 | return -1; | |
580 | } | |
581 | ||
b251af97 | 582 | |
6de9cd9a DN |
583 | /* press the big red button - garbage (ggc) collection is on */ |
584 | ||
585 | int ggc_p = 1; | |
586 | ||
1f2959f0 | 587 | /* Builtin function initialization. */ |
6de9cd9a | 588 | |
6de9cd9a | 589 | tree |
c79efc4d | 590 | gfc_builtin_function (tree decl) |
6de9cd9a | 591 | { |
0e6df31e | 592 | make_decl_rtl (decl); |
6de9cd9a | 593 | pushdecl (decl); |
6de9cd9a DN |
594 | return decl; |
595 | } | |
596 | ||
597 | ||
598 | static void | |
b251af97 | 599 | gfc_define_builtin (const char *name, |
6de9cd9a DN |
600 | tree type, |
601 | int code, | |
b251af97 | 602 | const char *library_name, |
6de9cd9a DN |
603 | bool const_p) |
604 | { | |
605 | tree decl; | |
606 | ||
c79efc4d RÁE |
607 | decl = add_builtin_function (name, type, code, BUILT_IN_NORMAL, |
608 | library_name, NULL_TREE); | |
6de9cd9a DN |
609 | if (const_p) |
610 | TREE_READONLY (decl) = 1; | |
2b65cd83 | 611 | TREE_NOTHROW (decl) = 1; |
6de9cd9a DN |
612 | |
613 | built_in_decls[code] = decl; | |
614 | implicit_built_in_decls[code] = decl; | |
615 | } | |
616 | ||
617 | ||
e8525382 | 618 | #define DO_DEFINE_MATH_BUILTIN(code, name, argtype, tbase) \ |
644cb69f FXC |
619 | gfc_define_builtin ("__builtin_" name "l", tbase##longdouble[argtype], \ |
620 | BUILT_IN_ ## code ## L, name "l", true); \ | |
e8525382 | 621 | gfc_define_builtin ("__builtin_" name, tbase##double[argtype], \ |
6de9cd9a | 622 | BUILT_IN_ ## code, name, true); \ |
e8525382 | 623 | gfc_define_builtin ("__builtin_" name "f", tbase##float[argtype], \ |
6de9cd9a DN |
624 | BUILT_IN_ ## code ## F, name "f", true); |
625 | ||
e8525382 SK |
626 | #define DEFINE_MATH_BUILTIN(code, name, argtype) \ |
627 | DO_DEFINE_MATH_BUILTIN (code, name, argtype, mfunc_) | |
628 | ||
e8525382 | 629 | #define DEFINE_MATH_BUILTIN_C(code, name, argtype) \ |
644cb69f FXC |
630 | DO_DEFINE_MATH_BUILTIN (code, name, argtype, mfunc_) \ |
631 | DO_DEFINE_MATH_BUILTIN (C##code, "c" name, argtype, mfunc_c) | |
e8525382 SK |
632 | |
633 | ||
634 | /* Create function types for builtin functions. */ | |
635 | ||
636 | static void | |
b251af97 | 637 | build_builtin_fntypes (tree *fntype, tree type) |
e8525382 SK |
638 | { |
639 | tree tmp; | |
640 | ||
641 | /* type (*) (type) */ | |
fb2d50f5 | 642 | tmp = tree_cons (NULL_TREE, type, void_list_node); |
e8525382 SK |
643 | fntype[0] = build_function_type (type, tmp); |
644 | /* type (*) (type, type) */ | |
fb2d50f5 | 645 | tmp = tree_cons (NULL_TREE, type, tmp); |
e8525382 SK |
646 | fntype[1] = build_function_type (type, tmp); |
647 | /* type (*) (int, type) */ | |
648 | tmp = tree_cons (NULL_TREE, integer_type_node, void_list_node); | |
649 | tmp = tree_cons (NULL_TREE, type, tmp); | |
650 | fntype[2] = build_function_type (type, tmp); | |
b5a4419c FXC |
651 | /* type (*) (void) */ |
652 | fntype[3] = build_function_type (type, void_list_node); | |
653 | /* type (*) (type, &int) */ | |
654 | tmp = tree_cons (NULL_TREE, type, void_list_node); | |
655 | tmp = tree_cons (NULL_TREE, build_pointer_type (integer_type_node), tmp); | |
656 | fntype[4] = build_function_type (type, tmp); | |
657 | /* type (*) (type, int) */ | |
658 | tmp = tree_cons (NULL_TREE, type, void_list_node); | |
659 | tmp = tree_cons (NULL_TREE, integer_type_node, tmp); | |
660 | fntype[5] = build_function_type (type, tmp); | |
e8525382 SK |
661 | } |
662 | ||
b251af97 | 663 | |
6c7a4dfd JJ |
664 | static tree |
665 | builtin_type_for_size (int size, bool unsignedp) | |
666 | { | |
667 | tree type = lang_hooks.types.type_for_size (size, unsignedp); | |
668 | return type ? type : error_mark_node; | |
669 | } | |
e8525382 | 670 | |
1f2959f0 | 671 | /* Initialization of builtin function nodes. */ |
e8525382 | 672 | |
6de9cd9a DN |
673 | static void |
674 | gfc_init_builtin_functions (void) | |
675 | { | |
6c7a4dfd JJ |
676 | enum builtin_type |
677 | { | |
678 | #define DEF_PRIMITIVE_TYPE(NAME, VALUE) NAME, | |
679 | #define DEF_FUNCTION_TYPE_0(NAME, RETURN) NAME, | |
680 | #define DEF_FUNCTION_TYPE_1(NAME, RETURN, ARG1) NAME, | |
681 | #define DEF_FUNCTION_TYPE_2(NAME, RETURN, ARG1, ARG2) NAME, | |
682 | #define DEF_FUNCTION_TYPE_3(NAME, RETURN, ARG1, ARG2, ARG3) NAME, | |
683 | #define DEF_FUNCTION_TYPE_4(NAME, RETURN, ARG1, ARG2, ARG3, ARG4) NAME, | |
684 | #define DEF_FUNCTION_TYPE_5(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5) NAME, | |
685 | #define DEF_FUNCTION_TYPE_6(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6) NAME, | |
686 | #define DEF_FUNCTION_TYPE_7(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6, ARG7) NAME, | |
687 | #define DEF_FUNCTION_TYPE_VAR_0(NAME, RETURN) NAME, | |
688 | #define DEF_POINTER_TYPE(NAME, TYPE) NAME, | |
689 | #include "types.def" | |
690 | #undef DEF_PRIMITIVE_TYPE | |
691 | #undef DEF_FUNCTION_TYPE_0 | |
692 | #undef DEF_FUNCTION_TYPE_1 | |
693 | #undef DEF_FUNCTION_TYPE_2 | |
694 | #undef DEF_FUNCTION_TYPE_3 | |
695 | #undef DEF_FUNCTION_TYPE_4 | |
696 | #undef DEF_FUNCTION_TYPE_5 | |
697 | #undef DEF_FUNCTION_TYPE_6 | |
698 | #undef DEF_FUNCTION_TYPE_7 | |
699 | #undef DEF_FUNCTION_TYPE_VAR_0 | |
700 | #undef DEF_POINTER_TYPE | |
701 | BT_LAST | |
702 | }; | |
703 | typedef enum builtin_type builtin_type; | |
704 | enum | |
705 | { | |
706 | /* So far we need just these 2 attribute types. */ | |
707 | ATTR_NOTHROW_LIST, | |
708 | ATTR_CONST_NOTHROW_LIST | |
709 | }; | |
710 | ||
b5a4419c FXC |
711 | tree mfunc_float[6]; |
712 | tree mfunc_double[6]; | |
713 | tree mfunc_longdouble[6]; | |
714 | tree mfunc_cfloat[6]; | |
715 | tree mfunc_cdouble[6]; | |
716 | tree mfunc_clongdouble[6]; | |
3a53e165 RG |
717 | tree func_cfloat_float, func_float_cfloat; |
718 | tree func_cdouble_double, func_double_cdouble; | |
719 | tree func_clongdouble_longdouble, func_longdouble_clongdouble; | |
720 | tree func_float_floatp_floatp; | |
721 | tree func_double_doublep_doublep; | |
722 | tree func_longdouble_longdoublep_longdoublep; | |
723 | tree ftype, ptype; | |
94f548c2 | 724 | tree tmp, type; |
6c7a4dfd | 725 | tree builtin_types[(int) BT_LAST + 1]; |
6de9cd9a | 726 | |
e8525382 SK |
727 | build_builtin_fntypes (mfunc_float, float_type_node); |
728 | build_builtin_fntypes (mfunc_double, double_type_node); | |
644cb69f | 729 | build_builtin_fntypes (mfunc_longdouble, long_double_type_node); |
e8525382 SK |
730 | build_builtin_fntypes (mfunc_cfloat, complex_float_type_node); |
731 | build_builtin_fntypes (mfunc_cdouble, complex_double_type_node); | |
644cb69f | 732 | build_builtin_fntypes (mfunc_clongdouble, complex_long_double_type_node); |
e8525382 | 733 | |
ead6d15f AP |
734 | tmp = tree_cons (NULL_TREE, complex_float_type_node, void_list_node); |
735 | func_cfloat_float = build_function_type (float_type_node, tmp); | |
6de9cd9a | 736 | |
3a53e165 RG |
737 | tmp = tree_cons (NULL_TREE, float_type_node, void_list_node); |
738 | func_float_cfloat = build_function_type (complex_float_type_node, tmp); | |
739 | ||
ead6d15f AP |
740 | tmp = tree_cons (NULL_TREE, complex_double_type_node, void_list_node); |
741 | func_cdouble_double = build_function_type (double_type_node, tmp); | |
6de9cd9a | 742 | |
3a53e165 RG |
743 | tmp = tree_cons (NULL_TREE, double_type_node, void_list_node); |
744 | func_double_cdouble = build_function_type (complex_double_type_node, tmp); | |
745 | ||
644cb69f FXC |
746 | tmp = tree_cons (NULL_TREE, complex_long_double_type_node, void_list_node); |
747 | func_clongdouble_longdouble = | |
748 | build_function_type (long_double_type_node, tmp); | |
749 | ||
3a53e165 RG |
750 | tmp = tree_cons (NULL_TREE, long_double_type_node, void_list_node); |
751 | func_longdouble_clongdouble = | |
752 | build_function_type (complex_long_double_type_node, tmp); | |
753 | ||
754 | ptype = build_pointer_type (float_type_node); | |
755 | tmp = tree_cons (NULL_TREE, float_type_node, | |
756 | tree_cons (NULL_TREE, ptype, | |
fc207c37 | 757 | tree_cons (NULL_TREE, ptype, void_list_node))); |
3a53e165 RG |
758 | func_float_floatp_floatp = |
759 | build_function_type (void_type_node, tmp); | |
760 | ||
761 | ptype = build_pointer_type (double_type_node); | |
762 | tmp = tree_cons (NULL_TREE, double_type_node, | |
763 | tree_cons (NULL_TREE, ptype, | |
fc207c37 | 764 | tree_cons (NULL_TREE, ptype, void_list_node))); |
3a53e165 RG |
765 | func_double_doublep_doublep = |
766 | build_function_type (void_type_node, tmp); | |
767 | ||
768 | ptype = build_pointer_type (long_double_type_node); | |
769 | tmp = tree_cons (NULL_TREE, long_double_type_node, | |
770 | tree_cons (NULL_TREE, ptype, | |
fc207c37 | 771 | tree_cons (NULL_TREE, ptype, void_list_node))); |
3a53e165 RG |
772 | func_longdouble_longdoublep_longdoublep = |
773 | build_function_type (void_type_node, tmp); | |
774 | ||
6de9cd9a DN |
775 | #include "mathbuiltins.def" |
776 | ||
e7dc5b4f | 777 | /* We define these separately as the fortran versions have different |
6de9cd9a | 778 | semantics (they return an integer type) */ |
644cb69f FXC |
779 | gfc_define_builtin ("__builtin_roundl", mfunc_longdouble[0], |
780 | BUILT_IN_ROUNDL, "roundl", true); | |
6de9cd9a DN |
781 | gfc_define_builtin ("__builtin_round", mfunc_double[0], |
782 | BUILT_IN_ROUND, "round", true); | |
783 | gfc_define_builtin ("__builtin_roundf", mfunc_float[0], | |
784 | BUILT_IN_ROUNDF, "roundf", true); | |
644cb69f FXC |
785 | |
786 | gfc_define_builtin ("__builtin_truncl", mfunc_longdouble[0], | |
787 | BUILT_IN_TRUNCL, "truncl", true); | |
e743d142 TS |
788 | gfc_define_builtin ("__builtin_trunc", mfunc_double[0], |
789 | BUILT_IN_TRUNC, "trunc", true); | |
790 | gfc_define_builtin ("__builtin_truncf", mfunc_float[0], | |
791 | BUILT_IN_TRUNCF, "truncf", true); | |
792 | ||
644cb69f FXC |
793 | gfc_define_builtin ("__builtin_cabsl", func_clongdouble_longdouble, |
794 | BUILT_IN_CABSL, "cabsl", true); | |
ead6d15f AP |
795 | gfc_define_builtin ("__builtin_cabs", func_cdouble_double, |
796 | BUILT_IN_CABS, "cabs", true); | |
797 | gfc_define_builtin ("__builtin_cabsf", func_cfloat_float, | |
798 | BUILT_IN_CABSF, "cabsf", true); | |
c6a912da | 799 | |
644cb69f FXC |
800 | gfc_define_builtin ("__builtin_copysignl", mfunc_longdouble[1], |
801 | BUILT_IN_COPYSIGNL, "copysignl", true); | |
ead6d15f AP |
802 | gfc_define_builtin ("__builtin_copysign", mfunc_double[1], |
803 | BUILT_IN_COPYSIGN, "copysign", true); | |
804 | gfc_define_builtin ("__builtin_copysignf", mfunc_float[1], | |
805 | BUILT_IN_COPYSIGNF, "copysignf", true); | |
58b6e047 | 806 | |
b5a4419c FXC |
807 | gfc_define_builtin ("__builtin_nextafterl", mfunc_longdouble[1], |
808 | BUILT_IN_NEXTAFTERL, "nextafterl", true); | |
809 | gfc_define_builtin ("__builtin_nextafter", mfunc_double[1], | |
810 | BUILT_IN_NEXTAFTER, "nextafter", true); | |
811 | gfc_define_builtin ("__builtin_nextafterf", mfunc_float[1], | |
812 | BUILT_IN_NEXTAFTERF, "nextafterf", true); | |
813 | ||
814 | gfc_define_builtin ("__builtin_frexpl", mfunc_longdouble[4], | |
815 | BUILT_IN_FREXPL, "frexpl", false); | |
816 | gfc_define_builtin ("__builtin_frexp", mfunc_double[4], | |
817 | BUILT_IN_FREXP, "frexp", false); | |
818 | gfc_define_builtin ("__builtin_frexpf", mfunc_float[4], | |
819 | BUILT_IN_FREXPF, "frexpf", false); | |
820 | ||
821 | gfc_define_builtin ("__builtin_fabsl", mfunc_longdouble[0], | |
822 | BUILT_IN_FABSL, "fabsl", true); | |
823 | gfc_define_builtin ("__builtin_fabs", mfunc_double[0], | |
824 | BUILT_IN_FABS, "fabs", true); | |
825 | gfc_define_builtin ("__builtin_fabsf", mfunc_float[0], | |
826 | BUILT_IN_FABSF, "fabsf", true); | |
827 | ||
828 | gfc_define_builtin ("__builtin_scalbnl", mfunc_longdouble[5], | |
829 | BUILT_IN_SCALBNL, "scalbnl", true); | |
830 | gfc_define_builtin ("__builtin_scalbn", mfunc_double[5], | |
831 | BUILT_IN_SCALBN, "scalbn", true); | |
832 | gfc_define_builtin ("__builtin_scalbnf", mfunc_float[5], | |
833 | BUILT_IN_SCALBNF, "scalbnf", true); | |
834 | ||
58b6e047 PT |
835 | gfc_define_builtin ("__builtin_fmodl", mfunc_longdouble[1], |
836 | BUILT_IN_FMODL, "fmodl", true); | |
837 | gfc_define_builtin ("__builtin_fmod", mfunc_double[1], | |
838 | BUILT_IN_FMOD, "fmod", true); | |
839 | gfc_define_builtin ("__builtin_fmodf", mfunc_float[1], | |
840 | BUILT_IN_FMODF, "fmodf", true); | |
6de9cd9a | 841 | |
f6d53468 UW |
842 | gfc_define_builtin ("__builtin_huge_vall", mfunc_longdouble[3], |
843 | BUILT_IN_HUGE_VALL, "__builtin_huge_vall", true); | |
844 | gfc_define_builtin ("__builtin_huge_val", mfunc_double[3], | |
845 | BUILT_IN_HUGE_VAL, "__builtin_huge_val", true); | |
846 | gfc_define_builtin ("__builtin_huge_valf", mfunc_float[3], | |
847 | BUILT_IN_HUGE_VALF, "__builtin_huge_valf", true); | |
b5a4419c | 848 | |
94f548c2 FXC |
849 | /* lround{f,,l} and llround{f,,l} */ |
850 | type = tree_cons (NULL_TREE, float_type_node, void_list_node); | |
851 | tmp = build_function_type (long_integer_type_node, type); | |
852 | gfc_define_builtin ("__builtin_lroundf", tmp, BUILT_IN_LROUNDF, | |
853 | "lroundf", true); | |
854 | tmp = build_function_type (long_long_integer_type_node, type); | |
855 | gfc_define_builtin ("__builtin_llroundf", tmp, BUILT_IN_LLROUNDF, | |
856 | "llroundf", true); | |
857 | ||
858 | type = tree_cons (NULL_TREE, double_type_node, void_list_node); | |
859 | tmp = build_function_type (long_integer_type_node, type); | |
860 | gfc_define_builtin ("__builtin_lround", tmp, BUILT_IN_LROUND, | |
861 | "lround", true); | |
862 | tmp = build_function_type (long_long_integer_type_node, type); | |
863 | gfc_define_builtin ("__builtin_llround", tmp, BUILT_IN_LLROUND, | |
864 | "llround", true); | |
865 | ||
866 | type = tree_cons (NULL_TREE, long_double_type_node, void_list_node); | |
867 | tmp = build_function_type (long_integer_type_node, type); | |
868 | gfc_define_builtin ("__builtin_lroundl", tmp, BUILT_IN_LROUNDL, | |
869 | "lroundl", true); | |
870 | tmp = build_function_type (long_long_integer_type_node, type); | |
871 | gfc_define_builtin ("__builtin_llroundl", tmp, BUILT_IN_LLROUNDL, | |
872 | "llroundl", true); | |
873 | ||
5b200ac2 | 874 | /* These are used to implement the ** operator. */ |
644cb69f FXC |
875 | gfc_define_builtin ("__builtin_powl", mfunc_longdouble[1], |
876 | BUILT_IN_POWL, "powl", true); | |
c7d78bbe | 877 | gfc_define_builtin ("__builtin_pow", mfunc_double[1], |
5b200ac2 | 878 | BUILT_IN_POW, "pow", true); |
c7d78bbe | 879 | gfc_define_builtin ("__builtin_powf", mfunc_float[1], |
5b200ac2 | 880 | BUILT_IN_POWF, "powf", true); |
fb220235 FXC |
881 | gfc_define_builtin ("__builtin_cpowl", mfunc_clongdouble[1], |
882 | BUILT_IN_CPOWL, "cpowl", true); | |
883 | gfc_define_builtin ("__builtin_cpow", mfunc_cdouble[1], | |
884 | BUILT_IN_CPOW, "cpow", true); | |
885 | gfc_define_builtin ("__builtin_cpowf", mfunc_cfloat[1], | |
886 | BUILT_IN_CPOWF, "cpowf", true); | |
31c97dfe JB |
887 | gfc_define_builtin ("__builtin_powil", mfunc_longdouble[2], |
888 | BUILT_IN_POWIL, "powil", true); | |
889 | gfc_define_builtin ("__builtin_powi", mfunc_double[2], | |
890 | BUILT_IN_POWI, "powi", true); | |
891 | gfc_define_builtin ("__builtin_powif", mfunc_float[2], | |
892 | BUILT_IN_POWIF, "powif", true); | |
893 | ||
5b200ac2 | 894 | |
3a53e165 RG |
895 | if (TARGET_C99_FUNCTIONS) |
896 | { | |
897 | gfc_define_builtin ("__builtin_cbrtl", mfunc_longdouble[0], | |
898 | BUILT_IN_CBRTL, "cbrtl", true); | |
899 | gfc_define_builtin ("__builtin_cbrt", mfunc_double[0], | |
900 | BUILT_IN_CBRT, "cbrt", true); | |
901 | gfc_define_builtin ("__builtin_cbrtf", mfunc_float[0], | |
902 | BUILT_IN_CBRTF, "cbrtf", true); | |
903 | gfc_define_builtin ("__builtin_cexpil", func_longdouble_clongdouble, | |
904 | BUILT_IN_CEXPIL, "cexpil", true); | |
905 | gfc_define_builtin ("__builtin_cexpi", func_double_cdouble, | |
906 | BUILT_IN_CEXPI, "cexpi", true); | |
907 | gfc_define_builtin ("__builtin_cexpif", func_float_cfloat, | |
908 | BUILT_IN_CEXPIF, "cexpif", true); | |
909 | } | |
910 | ||
911 | if (TARGET_HAS_SINCOS) | |
912 | { | |
913 | gfc_define_builtin ("__builtin_sincosl", | |
914 | func_longdouble_longdoublep_longdoublep, | |
915 | BUILT_IN_SINCOSL, "sincosl", false); | |
916 | gfc_define_builtin ("__builtin_sincos", func_double_doublep_doublep, | |
917 | BUILT_IN_SINCOS, "sincos", false); | |
918 | gfc_define_builtin ("__builtin_sincosf", func_float_floatp_floatp, | |
919 | BUILT_IN_SINCOSF, "sincosf", false); | |
920 | } | |
921 | ||
414f00e9 SB |
922 | /* For LEADZ / TRAILZ. */ |
923 | tmp = tree_cons (NULL_TREE, unsigned_type_node, void_list_node); | |
924 | ftype = build_function_type (integer_type_node, tmp); | |
925 | gfc_define_builtin ("__builtin_clz", ftype, BUILT_IN_CLZ, | |
926 | "__builtin_clz", true); | |
927 | ||
928 | tmp = tree_cons (NULL_TREE, long_unsigned_type_node, void_list_node); | |
929 | ftype = build_function_type (integer_type_node, tmp); | |
930 | gfc_define_builtin ("__builtin_clzl", ftype, BUILT_IN_CLZL, | |
931 | "__builtin_clzl", true); | |
932 | ||
933 | tmp = tree_cons (NULL_TREE, long_long_unsigned_type_node, void_list_node); | |
934 | ftype = build_function_type (integer_type_node, tmp); | |
935 | gfc_define_builtin ("__builtin_clzll", ftype, BUILT_IN_CLZLL, | |
936 | "__builtin_clzll", true); | |
937 | ||
938 | tmp = tree_cons (NULL_TREE, unsigned_type_node, void_list_node); | |
939 | ftype = build_function_type (integer_type_node, tmp); | |
940 | gfc_define_builtin ("__builtin_ctz", ftype, BUILT_IN_CTZ, | |
941 | "__builtin_ctz", true); | |
942 | ||
943 | tmp = tree_cons (NULL_TREE, long_unsigned_type_node, void_list_node); | |
944 | ftype = build_function_type (integer_type_node, tmp); | |
945 | gfc_define_builtin ("__builtin_ctzl", ftype, BUILT_IN_CTZL, | |
946 | "__builtin_ctzl", true); | |
947 | ||
948 | tmp = tree_cons (NULL_TREE, long_long_unsigned_type_node, void_list_node); | |
949 | ftype = build_function_type (integer_type_node, tmp); | |
950 | gfc_define_builtin ("__builtin_ctzll", ftype, BUILT_IN_CTZLL, | |
951 | "__builtin_ctzll", true); | |
952 | ||
6de9cd9a DN |
953 | /* Other builtin functions we use. */ |
954 | ||
c6a912da RH |
955 | tmp = tree_cons (NULL_TREE, long_integer_type_node, void_list_node); |
956 | tmp = tree_cons (NULL_TREE, long_integer_type_node, tmp); | |
957 | ftype = build_function_type (long_integer_type_node, tmp); | |
958 | gfc_define_builtin ("__builtin_expect", ftype, BUILT_IN_EXPECT, | |
959 | "__builtin_expect", true); | |
ef9312c1 | 960 | |
1529b8d9 FXC |
961 | tmp = tree_cons (NULL_TREE, pvoid_type_node, void_list_node); |
962 | ftype = build_function_type (void_type_node, tmp); | |
963 | gfc_define_builtin ("__builtin_free", ftype, BUILT_IN_FREE, | |
964 | "free", false); | |
965 | ||
966 | tmp = tree_cons (NULL_TREE, size_type_node, void_list_node); | |
967 | ftype = build_function_type (pvoid_type_node, tmp); | |
968 | gfc_define_builtin ("__builtin_malloc", ftype, BUILT_IN_MALLOC, | |
969 | "malloc", false); | |
970 | DECL_IS_MALLOC (built_in_decls[BUILT_IN_MALLOC]) = 1; | |
971 | ||
4376b7cf FXC |
972 | tmp = tree_cons (NULL_TREE, pvoid_type_node, void_list_node); |
973 | tmp = tree_cons (NULL_TREE, size_type_node, tmp); | |
974 | ftype = build_function_type (pvoid_type_node, tmp); | |
975 | gfc_define_builtin ("__builtin_realloc", ftype, BUILT_IN_REALLOC, | |
976 | "realloc", false); | |
977 | ||
5fcb93f1 FXC |
978 | tmp = tree_cons (NULL_TREE, void_type_node, void_list_node); |
979 | ftype = build_function_type (integer_type_node, tmp); | |
980 | gfc_define_builtin ("__builtin_isnan", ftype, BUILT_IN_ISNAN, | |
981 | "__builtin_isnan", true); | |
982 | ||
6c7a4dfd JJ |
983 | #define DEF_PRIMITIVE_TYPE(ENUM, VALUE) \ |
984 | builtin_types[(int) ENUM] = VALUE; | |
985 | #define DEF_FUNCTION_TYPE_0(ENUM, RETURN) \ | |
986 | builtin_types[(int) ENUM] \ | |
987 | = build_function_type (builtin_types[(int) RETURN], \ | |
988 | void_list_node); | |
989 | #define DEF_FUNCTION_TYPE_1(ENUM, RETURN, ARG1) \ | |
990 | builtin_types[(int) ENUM] \ | |
991 | = build_function_type (builtin_types[(int) RETURN], \ | |
992 | tree_cons (NULL_TREE, \ | |
993 | builtin_types[(int) ARG1], \ | |
994 | void_list_node)); | |
995 | #define DEF_FUNCTION_TYPE_2(ENUM, RETURN, ARG1, ARG2) \ | |
996 | builtin_types[(int) ENUM] \ | |
997 | = build_function_type \ | |
998 | (builtin_types[(int) RETURN], \ | |
999 | tree_cons (NULL_TREE, \ | |
1000 | builtin_types[(int) ARG1], \ | |
1001 | tree_cons (NULL_TREE, \ | |
1002 | builtin_types[(int) ARG2], \ | |
1003 | void_list_node))); | |
1004 | #define DEF_FUNCTION_TYPE_3(ENUM, RETURN, ARG1, ARG2, ARG3) \ | |
1005 | builtin_types[(int) ENUM] \ | |
1006 | = build_function_type \ | |
1007 | (builtin_types[(int) RETURN], \ | |
1008 | tree_cons (NULL_TREE, \ | |
1009 | builtin_types[(int) ARG1], \ | |
1010 | tree_cons (NULL_TREE, \ | |
1011 | builtin_types[(int) ARG2], \ | |
1012 | tree_cons (NULL_TREE, \ | |
1013 | builtin_types[(int) ARG3], \ | |
1014 | void_list_node)))); | |
1015 | #define DEF_FUNCTION_TYPE_4(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4) \ | |
1016 | builtin_types[(int) ENUM] \ | |
1017 | = build_function_type \ | |
1018 | (builtin_types[(int) RETURN], \ | |
1019 | tree_cons (NULL_TREE, \ | |
1020 | builtin_types[(int) ARG1], \ | |
1021 | tree_cons (NULL_TREE, \ | |
1022 | builtin_types[(int) ARG2], \ | |
1023 | tree_cons \ | |
1024 | (NULL_TREE, \ | |
1025 | builtin_types[(int) ARG3], \ | |
1026 | tree_cons (NULL_TREE, \ | |
1027 | builtin_types[(int) ARG4], \ | |
1028 | void_list_node))))); | |
1029 | #define DEF_FUNCTION_TYPE_5(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5) \ | |
1030 | builtin_types[(int) ENUM] \ | |
1031 | = build_function_type \ | |
1032 | (builtin_types[(int) RETURN], \ | |
1033 | tree_cons (NULL_TREE, \ | |
1034 | builtin_types[(int) ARG1], \ | |
1035 | tree_cons (NULL_TREE, \ | |
1036 | builtin_types[(int) ARG2], \ | |
1037 | tree_cons \ | |
1038 | (NULL_TREE, \ | |
1039 | builtin_types[(int) ARG3], \ | |
1040 | tree_cons (NULL_TREE, \ | |
1041 | builtin_types[(int) ARG4], \ | |
1042 | tree_cons (NULL_TREE, \ | |
1043 | builtin_types[(int) ARG5],\ | |
1044 | void_list_node)))))); | |
1045 | #define DEF_FUNCTION_TYPE_6(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \ | |
1046 | ARG6) \ | |
1047 | builtin_types[(int) ENUM] \ | |
1048 | = build_function_type \ | |
1049 | (builtin_types[(int) RETURN], \ | |
1050 | tree_cons (NULL_TREE, \ | |
1051 | builtin_types[(int) ARG1], \ | |
1052 | tree_cons (NULL_TREE, \ | |
1053 | builtin_types[(int) ARG2], \ | |
1054 | tree_cons \ | |
1055 | (NULL_TREE, \ | |
1056 | builtin_types[(int) ARG3], \ | |
1057 | tree_cons \ | |
1058 | (NULL_TREE, \ | |
1059 | builtin_types[(int) ARG4], \ | |
1060 | tree_cons (NULL_TREE, \ | |
1061 | builtin_types[(int) ARG5], \ | |
1062 | tree_cons (NULL_TREE, \ | |
1063 | builtin_types[(int) ARG6],\ | |
1064 | void_list_node))))))); | |
1065 | #define DEF_FUNCTION_TYPE_7(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \ | |
1066 | ARG6, ARG7) \ | |
1067 | builtin_types[(int) ENUM] \ | |
1068 | = build_function_type \ | |
1069 | (builtin_types[(int) RETURN], \ | |
1070 | tree_cons (NULL_TREE, \ | |
1071 | builtin_types[(int) ARG1], \ | |
1072 | tree_cons (NULL_TREE, \ | |
1073 | builtin_types[(int) ARG2], \ | |
1074 | tree_cons \ | |
1075 | (NULL_TREE, \ | |
1076 | builtin_types[(int) ARG3], \ | |
1077 | tree_cons \ | |
1078 | (NULL_TREE, \ | |
1079 | builtin_types[(int) ARG4], \ | |
1080 | tree_cons (NULL_TREE, \ | |
1081 | builtin_types[(int) ARG5], \ | |
1082 | tree_cons (NULL_TREE, \ | |
1083 | builtin_types[(int) ARG6],\ | |
1084 | tree_cons (NULL_TREE, \ | |
1085 | builtin_types[(int) ARG6], \ | |
1086 | void_list_node)))))))); | |
1087 | #define DEF_FUNCTION_TYPE_VAR_0(ENUM, RETURN) \ | |
1088 | builtin_types[(int) ENUM] \ | |
1089 | = build_function_type (builtin_types[(int) RETURN], NULL_TREE); | |
1090 | #define DEF_POINTER_TYPE(ENUM, TYPE) \ | |
1091 | builtin_types[(int) ENUM] \ | |
1092 | = build_pointer_type (builtin_types[(int) TYPE]); | |
1093 | #include "types.def" | |
1094 | #undef DEF_PRIMITIVE_TYPE | |
1095 | #undef DEF_FUNCTION_TYPE_1 | |
1096 | #undef DEF_FUNCTION_TYPE_2 | |
1097 | #undef DEF_FUNCTION_TYPE_3 | |
1098 | #undef DEF_FUNCTION_TYPE_4 | |
1099 | #undef DEF_FUNCTION_TYPE_5 | |
1100 | #undef DEF_FUNCTION_TYPE_6 | |
1101 | #undef DEF_FUNCTION_TYPE_VAR_0 | |
1102 | #undef DEF_POINTER_TYPE | |
1103 | builtin_types[(int) BT_LAST] = NULL_TREE; | |
1104 | ||
1105 | /* Initialize synchronization builtins. */ | |
1106 | #undef DEF_SYNC_BUILTIN | |
1107 | #define DEF_SYNC_BUILTIN(code, name, type, attr) \ | |
1108 | gfc_define_builtin (name, builtin_types[type], code, name, \ | |
1109 | attr == ATTR_CONST_NOTHROW_LIST); | |
1110 | #include "../sync-builtins.def" | |
1111 | #undef DEF_SYNC_BUILTIN | |
1112 | ||
e0e8ce7a | 1113 | if (gfc_option.flag_openmp || flag_tree_parallelize_loops) |
6c7a4dfd JJ |
1114 | { |
1115 | #undef DEF_GOMP_BUILTIN | |
1116 | #define DEF_GOMP_BUILTIN(code, name, type, attr) \ | |
1117 | gfc_define_builtin ("__builtin_" name, builtin_types[type], \ | |
1118 | code, name, attr == ATTR_CONST_NOTHROW_LIST); | |
1119 | #include "../omp-builtins.def" | |
1120 | #undef DEF_GOMP_BUILTIN | |
1121 | } | |
1122 | ||
1123 | gfc_define_builtin ("__builtin_trap", builtin_types[BT_FN_VOID], | |
1124 | BUILT_IN_TRAP, NULL, false); | |
1125 | TREE_THIS_VOLATILE (built_in_decls[BUILT_IN_TRAP]) = 1; | |
1126 | ||
8893239d RH |
1127 | gfc_define_builtin ("__emutls_get_address", |
1128 | builtin_types[BT_FN_PTR_PTR], BUILT_IN_EMUTLS_GET_ADDRESS, | |
1129 | "__emutls_get_address", true); | |
1130 | gfc_define_builtin ("__emutls_register_common", | |
1131 | builtin_types[BT_FN_VOID_PTR_WORD_WORD_PTR], | |
1132 | BUILT_IN_EMUTLS_REGISTER_COMMON, | |
1133 | "__emutls_register_common", false); | |
1134 | ||
384c400a | 1135 | build_common_builtin_nodes (); |
ef9312c1 | 1136 | targetm.init_builtins (); |
6de9cd9a DN |
1137 | } |
1138 | ||
e8525382 | 1139 | #undef DEFINE_MATH_BUILTIN_C |
6de9cd9a DN |
1140 | #undef DEFINE_MATH_BUILTIN |
1141 | ||
a64f5186 JJ |
1142 | static void |
1143 | gfc_init_ts (void) | |
1144 | { | |
1145 | tree_contains_struct[NAMESPACE_DECL][TS_DECL_NON_COMMON] = 1; | |
1146 | tree_contains_struct[NAMESPACE_DECL][TS_DECL_WITH_VIS] = 1; | |
1147 | tree_contains_struct[NAMESPACE_DECL][TS_DECL_WRTL] = 1; | |
1148 | tree_contains_struct[NAMESPACE_DECL][TS_DECL_COMMON] = 1; | |
1149 | tree_contains_struct[NAMESPACE_DECL][TS_DECL_MINIMAL] = 1; | |
1150 | } | |
1151 | ||
602b8523 TB |
1152 | void |
1153 | gfc_maybe_initialize_eh (void) | |
1154 | { | |
1155 | if (!flag_exceptions || gfc_eh_initialized_p) | |
1156 | return; | |
1157 | ||
1158 | gfc_eh_initialized_p = true; | |
602b8523 TB |
1159 | using_eh_for_cleanups (); |
1160 | } | |
1161 | ||
1162 | ||
6de9cd9a DN |
1163 | #include "gt-fortran-f95-lang.h" |
1164 | #include "gtype-fortran.h" |