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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" | |
6de9cd9a | 46 | #include "gfortran.h" |
670637ee | 47 | #include "cpp.h" |
6de9cd9a DN |
48 | #include "trans.h" |
49 | #include "trans-types.h" | |
50 | #include "trans-const.h" | |
51 | ||
6de9cd9a DN |
52 | /* Language-dependent contents of an identifier. */ |
53 | ||
d1b38208 TG |
54 | struct GTY(()) |
55 | lang_identifier { | |
6de9cd9a DN |
56 | struct tree_identifier common; |
57 | }; | |
58 | ||
59 | /* The resulting tree type. */ | |
60 | ||
d1b38208 | 61 | union GTY((desc ("TREE_CODE (&%h.generic) == IDENTIFIER_NODE"), |
726a989a | 62 | chain_next ("(union lang_tree_node *)TREE_CHAIN (&%h.generic)"))) |
07beea0d | 63 | |
d1b38208 | 64 | lang_tree_node { |
6de9cd9a DN |
65 | union tree_node GTY((tag ("0"), |
66 | desc ("tree_node_structure (&%h)"))) generic; | |
67 | struct lang_identifier GTY((tag ("1"))) identifier; | |
68 | }; | |
69 | ||
70 | /* Save and restore the variables in this file and elsewhere | |
71 | that keep track of the progress of compilation of the current function. | |
72 | Used for nested functions. */ | |
73 | ||
d1b38208 TG |
74 | struct GTY(()) |
75 | language_function { | |
6de9cd9a | 76 | /* struct gfc_language_function base; */ |
6de9cd9a DN |
77 | struct binding_level *binding_level; |
78 | }; | |
79 | ||
80 | /* We don't have a lex/yacc lexer/parser, but toplev expects these to | |
81 | exist anyway. */ | |
82 | void yyerror (const char *str); | |
83 | int yylex (void); | |
84 | ||
85 | static void gfc_init_decl_processing (void); | |
86 | static void gfc_init_builtin_functions (void); | |
87 | ||
88 | /* Each front end provides its own. */ | |
89 | static bool gfc_init (void); | |
90 | static void gfc_finish (void); | |
8b84c596 | 91 | static void gfc_write_global_declarations (void); |
6de9cd9a | 92 | static void gfc_print_identifier (FILE *, tree, int); |
6de9cd9a DN |
93 | void do_function_end (void); |
94 | int global_bindings_p (void); | |
30e257e5 | 95 | static void clear_binding_stack (void); |
6de9cd9a | 96 | static void gfc_be_parse_file (int); |
4862826d | 97 | static alias_set_type gfc_get_alias_set (tree); |
a64f5186 | 98 | static void gfc_init_ts (void); |
6de9cd9a DN |
99 | |
100 | #undef LANG_HOOKS_NAME | |
101 | #undef LANG_HOOKS_INIT | |
102 | #undef LANG_HOOKS_FINISH | |
8b84c596 | 103 | #undef LANG_HOOKS_WRITE_GLOBALS |
7a9bf9a4 | 104 | #undef LANG_HOOKS_OPTION_LANG_MASK |
6de9cd9a DN |
105 | #undef LANG_HOOKS_INIT_OPTIONS |
106 | #undef LANG_HOOKS_HANDLE_OPTION | |
107 | #undef LANG_HOOKS_POST_OPTIONS | |
108 | #undef LANG_HOOKS_PRINT_IDENTIFIER | |
109 | #undef LANG_HOOKS_PARSE_FILE | |
6de9cd9a DN |
110 | #undef LANG_HOOKS_MARK_ADDRESSABLE |
111 | #undef LANG_HOOKS_TYPE_FOR_MODE | |
112 | #undef LANG_HOOKS_TYPE_FOR_SIZE | |
7b9c708f | 113 | #undef LANG_HOOKS_GET_ALIAS_SET |
a64f5186 | 114 | #undef LANG_HOOKS_INIT_TS |
6c7a4dfd JJ |
115 | #undef LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE |
116 | #undef LANG_HOOKS_OMP_PREDETERMINED_SHARING | |
79943d19 | 117 | #undef LANG_HOOKS_OMP_REPORT_DECL |
cd75853e | 118 | #undef LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR |
a68ab351 JJ |
119 | #undef LANG_HOOKS_OMP_CLAUSE_COPY_CTOR |
120 | #undef LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP | |
121 | #undef LANG_HOOKS_OMP_CLAUSE_DTOR | |
6c7a4dfd JJ |
122 | #undef LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR |
123 | #undef LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE | |
a68ab351 | 124 | #undef LANG_HOOKS_OMP_PRIVATE_OUTER_REF |
6c7a4dfd | 125 | #undef LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES |
c79efc4d | 126 | #undef LANG_HOOKS_BUILTIN_FUNCTION |
fad0afd7 | 127 | #undef LANG_HOOKS_GET_ARRAY_DESCR_INFO |
6de9cd9a DN |
128 | |
129 | /* Define lang hooks. */ | |
3135ce84 | 130 | #define LANG_HOOKS_NAME "GNU Fortran" |
6de9cd9a DN |
131 | #define LANG_HOOKS_INIT gfc_init |
132 | #define LANG_HOOKS_FINISH gfc_finish | |
8b84c596 | 133 | #define LANG_HOOKS_WRITE_GLOBALS gfc_write_global_declarations |
7a9bf9a4 | 134 | #define LANG_HOOKS_OPTION_LANG_MASK gfc_option_lang_mask |
6de9cd9a DN |
135 | #define LANG_HOOKS_INIT_OPTIONS gfc_init_options |
136 | #define LANG_HOOKS_HANDLE_OPTION gfc_handle_option | |
137 | #define LANG_HOOKS_POST_OPTIONS gfc_post_options | |
138 | #define LANG_HOOKS_PRINT_IDENTIFIER gfc_print_identifier | |
139 | #define LANG_HOOKS_PARSE_FILE gfc_be_parse_file | |
a64f5186 JJ |
140 | #define LANG_HOOKS_TYPE_FOR_MODE gfc_type_for_mode |
141 | #define LANG_HOOKS_TYPE_FOR_SIZE gfc_type_for_size | |
142 | #define LANG_HOOKS_GET_ALIAS_SET gfc_get_alias_set | |
143 | #define LANG_HOOKS_INIT_TS gfc_init_ts | |
6c7a4dfd JJ |
144 | #define LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE gfc_omp_privatize_by_reference |
145 | #define LANG_HOOKS_OMP_PREDETERMINED_SHARING gfc_omp_predetermined_sharing | |
79943d19 | 146 | #define LANG_HOOKS_OMP_REPORT_DECL gfc_omp_report_decl |
cd75853e | 147 | #define LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR gfc_omp_clause_default_ctor |
a68ab351 JJ |
148 | #define LANG_HOOKS_OMP_CLAUSE_COPY_CTOR gfc_omp_clause_copy_ctor |
149 | #define LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP gfc_omp_clause_assign_op | |
150 | #define LANG_HOOKS_OMP_CLAUSE_DTOR gfc_omp_clause_dtor | |
6c7a4dfd JJ |
151 | #define LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR gfc_omp_disregard_value_expr |
152 | #define LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE gfc_omp_private_debug_clause | |
a68ab351 | 153 | #define LANG_HOOKS_OMP_PRIVATE_OUTER_REF gfc_omp_private_outer_ref |
6c7a4dfd JJ |
154 | #define LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES \ |
155 | gfc_omp_firstprivatize_type_sizes | |
c79efc4d | 156 | #define LANG_HOOKS_BUILTIN_FUNCTION gfc_builtin_function |
fad0afd7 | 157 | #define LANG_HOOKS_GET_ARRAY_DESCR_INFO gfc_get_array_descr_info |
6de9cd9a | 158 | |
4537ec0c | 159 | struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER; |
6de9cd9a | 160 | |
6de9cd9a DN |
161 | #define NULL_BINDING_LEVEL (struct binding_level *) NULL |
162 | ||
163 | /* A chain of binding_level structures awaiting reuse. */ | |
164 | ||
165 | static GTY(()) struct binding_level *free_binding_level; | |
166 | ||
167 | /* The elements of `ridpointers' are identifier nodes | |
168 | for the reserved type names and storage classes. | |
169 | It is indexed by a RID_... value. */ | |
170 | tree *ridpointers = NULL; | |
171 | ||
602b8523 TB |
172 | /* True means we've initialized exception handling. */ |
173 | bool gfc_eh_initialized_p; | |
174 | ||
175 | ||
6de9cd9a DN |
176 | /* Prepare expr to be an argument of a TRUTH_NOT_EXPR, |
177 | or validate its data type for an `if' or `while' statement or ?..: exp. | |
178 | ||
179 | This preparation consists of taking the ordinary | |
180 | representation of an expression expr and producing a valid tree | |
181 | boolean expression describing whether expr is nonzero. We could | |
182 | simply always do build_binary_op (NE_EXPR, expr, boolean_false_node, 1), | |
183 | but we optimize comparisons, &&, ||, and !. | |
184 | ||
185 | The resulting type should always be `boolean_type_node'. | |
186 | This is much simpler than the corresponding C version because we have a | |
187 | distinct boolean type. */ | |
188 | ||
189 | tree | |
190 | gfc_truthvalue_conversion (tree expr) | |
191 | { | |
192 | switch (TREE_CODE (TREE_TYPE (expr))) | |
193 | { | |
194 | case BOOLEAN_TYPE: | |
195 | if (TREE_TYPE (expr) == boolean_type_node) | |
196 | return expr; | |
6615c446 | 197 | else if (COMPARISON_CLASS_P (expr)) |
6de9cd9a DN |
198 | { |
199 | TREE_TYPE (expr) = boolean_type_node; | |
200 | return expr; | |
201 | } | |
202 | else if (TREE_CODE (expr) == NOP_EXPR) | |
44855d8c TS |
203 | return fold_build1 (NOP_EXPR, |
204 | boolean_type_node, TREE_OPERAND (expr, 0)); | |
6de9cd9a | 205 | else |
44855d8c | 206 | return fold_build1 (NOP_EXPR, boolean_type_node, expr); |
6de9cd9a DN |
207 | |
208 | case INTEGER_TYPE: | |
209 | if (TREE_CODE (expr) == INTEGER_CST) | |
210 | return integer_zerop (expr) ? boolean_false_node : boolean_true_node; | |
211 | else | |
44855d8c TS |
212 | return fold_build2 (NE_EXPR, boolean_type_node, expr, |
213 | build_int_cst (TREE_TYPE (expr), 0)); | |
6de9cd9a DN |
214 | |
215 | default: | |
216 | internal_error ("Unexpected type in truthvalue_conversion"); | |
217 | } | |
218 | } | |
219 | ||
b251af97 | 220 | |
6de9cd9a DN |
221 | static void |
222 | gfc_create_decls (void) | |
223 | { | |
224 | /* GCC builtins. */ | |
225 | gfc_init_builtin_functions (); | |
226 | ||
227 | /* Runtime/IO library functions. */ | |
228 | gfc_build_builtin_function_decls (); | |
229 | ||
230 | gfc_init_constants (); | |
231 | } | |
232 | ||
b251af97 | 233 | |
6de9cd9a DN |
234 | static void |
235 | gfc_be_parse_file (int set_yydebug ATTRIBUTE_UNUSED) | |
236 | { | |
237 | int errors; | |
238 | int warnings; | |
239 | ||
240 | gfc_create_decls (); | |
241 | gfc_parse_file (); | |
242 | gfc_generate_constructors (); | |
243 | ||
df2fba9e | 244 | /* Tell the frontend about any errors. */ |
6de9cd9a DN |
245 | gfc_get_errors (&warnings, &errors); |
246 | errorcount += errors; | |
247 | warningcount += warnings; | |
30e257e5 PB |
248 | |
249 | clear_binding_stack (); | |
6de9cd9a | 250 | } |
b251af97 SK |
251 | |
252 | ||
6de9cd9a DN |
253 | /* Initialize everything. */ |
254 | ||
255 | static bool | |
256 | gfc_init (void) | |
257 | { | |
670637ee DF |
258 | if (!gfc_cpp_enabled ()) |
259 | { | |
260 | linemap_add (line_table, LC_ENTER, false, gfc_source_file, 1); | |
261 | linemap_add (line_table, LC_RENAME, false, "<built-in>", 0); | |
262 | } | |
263 | else | |
264 | gfc_cpp_init_0 (); | |
c8cc8542 | 265 | |
6de9cd9a DN |
266 | gfc_init_decl_processing (); |
267 | gfc_static_ctors = NULL_TREE; | |
268 | ||
670637ee DF |
269 | if (gfc_cpp_enabled ()) |
270 | gfc_cpp_init (); | |
271 | ||
6de9cd9a DN |
272 | gfc_init_1 (); |
273 | ||
e0bcf78c TS |
274 | if (gfc_new_file () != SUCCESS) |
275 | fatal_error ("can't open input file: %s", gfc_source_file); | |
670637ee | 276 | |
6de9cd9a DN |
277 | return true; |
278 | } | |
279 | ||
280 | ||
281 | static void | |
282 | gfc_finish (void) | |
283 | { | |
670637ee | 284 | gfc_cpp_done (); |
6de9cd9a DN |
285 | gfc_done_1 (); |
286 | gfc_release_include_path (); | |
287 | return; | |
288 | } | |
289 | ||
8b84c596 RH |
290 | /* ??? This is something of a hack. |
291 | ||
292 | Emulated tls lowering needs to see all TLS variables before we call | |
293 | cgraph_finalize_compilation_unit. The C/C++ front ends manage this | |
294 | by calling decl_rest_of_compilation on each global and static variable | |
295 | as they are seen. The Fortran front end waits until this hook. | |
296 | ||
297 | A Correct solution is for cgraph_finalize_compilation_unit not to be | |
298 | called during the WRITE_GLOBALS langhook, and have that hook only do what | |
299 | its name suggests and write out globals. But the C++ and Java front ends | |
300 | have (unspecified) problems with aliases that gets in the way. It has | |
301 | been suggested that these problems would be solved by completing the | |
302 | conversion to cgraph-based aliases. */ | |
303 | ||
304 | static void | |
305 | gfc_write_global_declarations (void) | |
306 | { | |
307 | tree decl; | |
308 | ||
309 | /* Finalize all of the globals. */ | |
310 | for (decl = getdecls(); decl ; decl = DECL_CHAIN (decl)) | |
311 | rest_of_decl_compilation (decl, true, true); | |
312 | ||
313 | write_global_declarations (); | |
314 | } | |
315 | ||
316 | ||
6de9cd9a DN |
317 | static void |
318 | gfc_print_identifier (FILE * file ATTRIBUTE_UNUSED, | |
319 | tree node ATTRIBUTE_UNUSED, | |
320 | int indent ATTRIBUTE_UNUSED) | |
321 | { | |
322 | return; | |
323 | } | |
b251af97 | 324 | |
6de9cd9a DN |
325 | |
326 | /* These functions and variables deal with binding contours. We only | |
327 | need these functions for the list of PARM_DECLs, but we leave the | |
328 | functions more general; these are a simplified version of the | |
329 | functions from GNAT. */ | |
330 | ||
b251af97 SK |
331 | /* For each binding contour we allocate a binding_level structure which |
332 | records the entities defined or declared in that contour. Contours | |
333 | include: | |
6de9cd9a DN |
334 | |
335 | the global one | |
336 | one for each subprogram definition | |
337 | one for each compound statement (declare block) | |
338 | ||
339 | Binding contours are used to create GCC tree BLOCK nodes. */ | |
340 | ||
d1b38208 TG |
341 | struct GTY(()) |
342 | binding_level { | |
6de9cd9a DN |
343 | /* A chain of ..._DECL nodes for all variables, constants, functions, |
344 | parameters and type declarations. These ..._DECL nodes are chained | |
910ad8de | 345 | through the DECL_CHAIN field. Note that these ..._DECL nodes are stored |
6de9cd9a DN |
346 | in the reverse of the order supplied to be compatible with the |
347 | back-end. */ | |
348 | tree names; | |
349 | /* For each level (except the global one), a chain of BLOCK nodes for all | |
350 | the levels that were entered and exited one level down from this one. */ | |
351 | tree blocks; | |
f7b529fa | 352 | /* The binding level containing this one (the enclosing binding level). */ |
6de9cd9a DN |
353 | struct binding_level *level_chain; |
354 | }; | |
355 | ||
356 | /* The binding level currently in effect. */ | |
357 | static GTY(()) struct binding_level *current_binding_level = NULL; | |
358 | ||
359 | /* The outermost binding level. This binding level is created when the | |
360 | compiler is started and it will exist through the entire compilation. */ | |
361 | static GTY(()) struct binding_level *global_binding_level; | |
362 | ||
363 | /* Binding level structures are initialized by copying this one. */ | |
9dcf6e73 | 364 | static struct binding_level clear_binding_level = { NULL, NULL, NULL }; |
b251af97 SK |
365 | |
366 | ||
13795658 | 367 | /* Return nonzero if we are currently in the global binding level. */ |
6de9cd9a DN |
368 | |
369 | int | |
370 | global_bindings_p (void) | |
371 | { | |
372 | return current_binding_level == global_binding_level ? -1 : 0; | |
373 | } | |
374 | ||
375 | tree | |
376 | getdecls (void) | |
377 | { | |
378 | return current_binding_level->names; | |
379 | } | |
380 | ||
381 | /* Enter a new binding level. The input parameter is ignored, but has to be | |
382 | specified for back-end compatibility. */ | |
383 | ||
384 | void | |
385 | pushlevel (int ignore ATTRIBUTE_UNUSED) | |
386 | { | |
a9429e29 | 387 | struct binding_level *newlevel = ggc_alloc_binding_level (); |
6de9cd9a DN |
388 | |
389 | *newlevel = clear_binding_level; | |
390 | ||
391 | /* Add this level to the front of the chain (stack) of levels that are | |
392 | active. */ | |
393 | newlevel->level_chain = current_binding_level; | |
394 | current_binding_level = newlevel; | |
395 | } | |
396 | ||
397 | /* Exit a binding level. | |
398 | Pop the level off, and restore the state of the identifier-decl mappings | |
399 | that were in effect when this level was entered. | |
400 | ||
401 | If KEEP is nonzero, this level had explicit declarations, so | |
402 | and create a "block" (a BLOCK node) for the level | |
403 | to record its declarations and subblocks for symbol table output. | |
404 | ||
405 | If FUNCTIONBODY is nonzero, this level is the body of a function, | |
406 | so create a block as if KEEP were set and also clear out all | |
407 | label names. | |
408 | ||
409 | If REVERSE is nonzero, reverse the order of decls before putting | |
410 | them into the BLOCK. */ | |
411 | ||
412 | tree | |
413 | poplevel (int keep, int reverse, int functionbody) | |
414 | { | |
1f2959f0 | 415 | /* Points to a BLOCK tree node. This is the BLOCK node constructed for the |
6de9cd9a DN |
416 | binding level that we are about to exit and which is returned by this |
417 | routine. */ | |
418 | tree block_node = NULL_TREE; | |
419 | tree decl_chain; | |
420 | tree subblock_chain = current_binding_level->blocks; | |
421 | tree subblock_node; | |
6de9cd9a DN |
422 | |
423 | /* Reverse the list of XXXX_DECL nodes if desired. Note that the ..._DECL | |
424 | nodes chained through the `names' field of current_binding_level are in | |
1f2959f0 | 425 | reverse order except for PARM_DECL node, which are explicitly stored in |
6de9cd9a DN |
426 | the right order. */ |
427 | decl_chain = (reverse) ? nreverse (current_binding_level->names) | |
b251af97 | 428 | : current_binding_level->names; |
6de9cd9a | 429 | |
6de9cd9a DN |
430 | /* If there were any declarations in the current binding level, or if this |
431 | binding level is a function body, or if there are any nested blocks then | |
432 | create a BLOCK node to record them for the life of this function. */ | |
9dcf6e73 | 433 | if (keep || functionbody) |
22e8617b | 434 | block_node = build_block (keep ? decl_chain : 0, subblock_chain, 0, 0); |
6de9cd9a DN |
435 | |
436 | /* Record the BLOCK node just built as the subblock its enclosing scope. */ | |
437 | for (subblock_node = subblock_chain; subblock_node; | |
438 | subblock_node = TREE_CHAIN (subblock_node)) | |
439 | BLOCK_SUPERCONTEXT (subblock_node) = block_node; | |
440 | ||
441 | /* Clear out the meanings of the local variables of this level. */ | |
442 | ||
443 | for (subblock_node = decl_chain; subblock_node; | |
910ad8de | 444 | subblock_node = DECL_CHAIN (subblock_node)) |
6de9cd9a DN |
445 | if (DECL_NAME (subblock_node) != 0) |
446 | /* If the identifier was used or addressed via a local extern decl, | |
f7b529fa | 447 | don't forget that fact. */ |
6de9cd9a DN |
448 | if (DECL_EXTERNAL (subblock_node)) |
449 | { | |
450 | if (TREE_USED (subblock_node)) | |
451 | TREE_USED (DECL_NAME (subblock_node)) = 1; | |
452 | if (TREE_ADDRESSABLE (subblock_node)) | |
453 | TREE_ADDRESSABLE (DECL_ASSEMBLER_NAME (subblock_node)) = 1; | |
454 | } | |
455 | ||
456 | /* Pop the current level. */ | |
457 | current_binding_level = current_binding_level->level_chain; | |
458 | ||
459 | if (functionbody) | |
c7c79a09 JJ |
460 | /* This is the top level block of a function. */ |
461 | DECL_INITIAL (current_function_decl) = block_node; | |
77092cda JJ |
462 | else if (current_binding_level == global_binding_level) |
463 | /* When using gfc_start_block/gfc_finish_block from middle-end hooks, | |
df2fba9e | 464 | don't add newly created BLOCKs as subblocks of global_binding_level. */ |
77092cda | 465 | ; |
6de9cd9a DN |
466 | else if (block_node) |
467 | { | |
9dcf6e73 JM |
468 | current_binding_level->blocks |
469 | = chainon (current_binding_level->blocks, block_node); | |
6de9cd9a DN |
470 | } |
471 | ||
472 | /* If we did not make a block for the level just exited, any blocks made for | |
473 | inner levels (since they cannot be recorded as subblocks in that level) | |
474 | must be carried forward so they will later become subblocks of something | |
475 | else. */ | |
476 | else if (subblock_chain) | |
477 | current_binding_level->blocks | |
478 | = chainon (current_binding_level->blocks, subblock_chain); | |
479 | if (block_node) | |
480 | TREE_USED (block_node) = 1; | |
481 | ||
482 | return block_node; | |
483 | } | |
b251af97 SK |
484 | |
485 | ||
6de9cd9a | 486 | /* Records a ..._DECL node DECL as belonging to the current lexical scope. |
f7b529fa | 487 | Returns the ..._DECL node. */ |
6de9cd9a DN |
488 | |
489 | tree | |
490 | pushdecl (tree decl) | |
491 | { | |
492 | /* External objects aren't nested, other objects may be. */ | |
493 | if ((DECL_EXTERNAL (decl)) || (decl == current_function_decl)) | |
494 | DECL_CONTEXT (decl) = 0; | |
495 | else | |
496 | DECL_CONTEXT (decl) = current_function_decl; | |
497 | ||
498 | /* Put the declaration on the list. The list of declarations is in reverse | |
499 | order. The list will be reversed later if necessary. This needs to be | |
500 | this way for compatibility with the back-end. */ | |
501 | ||
910ad8de | 502 | DECL_CHAIN (decl) = current_binding_level->names; |
6de9cd9a DN |
503 | current_binding_level->names = decl; |
504 | ||
69de3b83 | 505 | /* For the declaration of a type, set its name if it is not already set. */ |
6de9cd9a DN |
506 | |
507 | if (TREE_CODE (decl) == TYPE_DECL && TYPE_NAME (TREE_TYPE (decl)) == 0) | |
508 | { | |
509 | if (DECL_SOURCE_LINE (decl) == 0) | |
510 | TYPE_NAME (TREE_TYPE (decl)) = decl; | |
511 | else | |
512 | TYPE_NAME (TREE_TYPE (decl)) = DECL_NAME (decl); | |
513 | } | |
514 | ||
515 | return decl; | |
516 | } | |
517 | ||
518 | ||
519 | /* Like pushdecl, only it places X in GLOBAL_BINDING_LEVEL. */ | |
520 | ||
521 | tree | |
522 | pushdecl_top_level (tree x) | |
523 | { | |
524 | tree t; | |
525 | struct binding_level *b = current_binding_level; | |
526 | ||
527 | current_binding_level = global_binding_level; | |
528 | t = pushdecl (x); | |
529 | current_binding_level = b; | |
530 | return t; | |
531 | } | |
532 | ||
533 | ||
9dcf6e73 JM |
534 | /* Clear the binding stack. */ |
535 | static void | |
30e257e5 | 536 | clear_binding_stack (void) |
9dcf6e73 JM |
537 | { |
538 | while (!global_bindings_p ()) | |
539 | poplevel (0, 0, 0); | |
540 | } | |
541 | ||
542 | ||
6de9cd9a DN |
543 | #ifndef CHAR_TYPE_SIZE |
544 | #define CHAR_TYPE_SIZE BITS_PER_UNIT | |
545 | #endif | |
546 | ||
547 | #ifndef INT_TYPE_SIZE | |
548 | #define INT_TYPE_SIZE BITS_PER_WORD | |
549 | #endif | |
550 | ||
551 | #undef SIZE_TYPE | |
552 | #define SIZE_TYPE "long unsigned int" | |
553 | ||
554 | /* Create tree nodes for the basic scalar types of Fortran 95, | |
555 | and some nodes representing standard constants (0, 1, (void *) 0). | |
556 | Initialize the global binding level. | |
557 | Make definitions for built-in primitive functions. */ | |
558 | static void | |
559 | gfc_init_decl_processing (void) | |
560 | { | |
561 | current_function_decl = NULL; | |
6de9cd9a DN |
562 | current_binding_level = NULL_BINDING_LEVEL; |
563 | free_binding_level = NULL_BINDING_LEVEL; | |
564 | ||
565 | /* Make the binding_level structure for global names. We move all | |
566 | variables that are in a COMMON block to this binding level. */ | |
567 | pushlevel (0); | |
568 | global_binding_level = current_binding_level; | |
569 | ||
570 | /* Build common tree nodes. char_type_node is unsigned because we | |
571 | only use it for actual characters, not for INTEGER(1). Also, we | |
f7b529fa | 572 | want double_type_node to actually have double precision. */ |
3b9e5d95 | 573 | build_common_tree_nodes (false); |
df2fba9e | 574 | /* x86_64 mingw32 has a sizetype of "unsigned long long", most other hosts |
fcdb5d68 KT |
575 | have a sizetype of "unsigned long". Therefore choose the correct size |
576 | in mostly target independent way. */ | |
6384205f | 577 | if (TYPE_MODE (long_unsigned_type_node) == ptr_mode) |
fcdb5d68 | 578 | set_sizetype (long_unsigned_type_node); |
6384205f | 579 | else if (TYPE_MODE (long_long_unsigned_type_node) == ptr_mode) |
fcdb5d68 KT |
580 | set_sizetype (long_long_unsigned_type_node); |
581 | else | |
582 | set_sizetype (long_unsigned_type_node); | |
6de9cd9a | 583 | build_common_tree_nodes_2 (0); |
24cc1193 | 584 | void_list_node = build_tree_list (NULL_TREE, void_type_node); |
6de9cd9a DN |
585 | |
586 | /* Set up F95 type nodes. */ | |
5e8e542f | 587 | gfc_init_kinds (); |
6de9cd9a DN |
588 | gfc_init_types (); |
589 | } | |
590 | ||
b251af97 | 591 | |
7b9c708f JJ |
592 | /* Return the typed-based alias set for T, which may be an expression |
593 | or a type. Return -1 if we don't do anything special. */ | |
594 | ||
4862826d | 595 | static alias_set_type |
7b9c708f JJ |
596 | gfc_get_alias_set (tree t) |
597 | { | |
598 | tree u; | |
599 | ||
600 | /* Permit type-punning when accessing an EQUIVALENCEd variable or | |
601 | mixed type entry master's return value. */ | |
602 | for (u = t; handled_component_p (u); u = TREE_OPERAND (u, 0)) | |
603 | if (TREE_CODE (u) == COMPONENT_REF | |
604 | && TREE_CODE (TREE_TYPE (TREE_OPERAND (u, 0))) == UNION_TYPE) | |
605 | return 0; | |
606 | ||
607 | return -1; | |
608 | } | |
609 | ||
b251af97 | 610 | |
6de9cd9a DN |
611 | /* press the big red button - garbage (ggc) collection is on */ |
612 | ||
613 | int ggc_p = 1; | |
614 | ||
1f2959f0 | 615 | /* Builtin function initialization. */ |
6de9cd9a | 616 | |
6de9cd9a | 617 | tree |
c79efc4d | 618 | gfc_builtin_function (tree decl) |
6de9cd9a | 619 | { |
0e6df31e | 620 | make_decl_rtl (decl); |
6de9cd9a | 621 | pushdecl (decl); |
6de9cd9a DN |
622 | return decl; |
623 | } | |
624 | ||
625 | ||
626 | static void | |
b251af97 | 627 | gfc_define_builtin (const char *name, |
6de9cd9a DN |
628 | tree type, |
629 | int code, | |
b251af97 | 630 | const char *library_name, |
6de9cd9a DN |
631 | bool const_p) |
632 | { | |
633 | tree decl; | |
634 | ||
c79efc4d RÁE |
635 | decl = add_builtin_function (name, type, code, BUILT_IN_NORMAL, |
636 | library_name, NULL_TREE); | |
6de9cd9a DN |
637 | if (const_p) |
638 | TREE_READONLY (decl) = 1; | |
2b65cd83 | 639 | TREE_NOTHROW (decl) = 1; |
6de9cd9a DN |
640 | |
641 | built_in_decls[code] = decl; | |
642 | implicit_built_in_decls[code] = decl; | |
643 | } | |
644 | ||
645 | ||
e8525382 | 646 | #define DO_DEFINE_MATH_BUILTIN(code, name, argtype, tbase) \ |
644cb69f FXC |
647 | gfc_define_builtin ("__builtin_" name "l", tbase##longdouble[argtype], \ |
648 | BUILT_IN_ ## code ## L, name "l", true); \ | |
e8525382 | 649 | gfc_define_builtin ("__builtin_" name, tbase##double[argtype], \ |
6de9cd9a | 650 | BUILT_IN_ ## code, name, true); \ |
e8525382 | 651 | gfc_define_builtin ("__builtin_" name "f", tbase##float[argtype], \ |
6de9cd9a DN |
652 | BUILT_IN_ ## code ## F, name "f", true); |
653 | ||
e8525382 SK |
654 | #define DEFINE_MATH_BUILTIN(code, name, argtype) \ |
655 | DO_DEFINE_MATH_BUILTIN (code, name, argtype, mfunc_) | |
656 | ||
e8525382 | 657 | #define DEFINE_MATH_BUILTIN_C(code, name, argtype) \ |
644cb69f FXC |
658 | DO_DEFINE_MATH_BUILTIN (code, name, argtype, mfunc_) \ |
659 | DO_DEFINE_MATH_BUILTIN (C##code, "c" name, argtype, mfunc_c) | |
e8525382 SK |
660 | |
661 | ||
662 | /* Create function types for builtin functions. */ | |
663 | ||
664 | static void | |
b251af97 | 665 | build_builtin_fntypes (tree *fntype, tree type) |
e8525382 | 666 | { |
e8525382 | 667 | /* type (*) (type) */ |
b64fca63 | 668 | fntype[0] = build_function_type_list (type, type, NULL_TREE); |
e8525382 | 669 | /* type (*) (type, type) */ |
b64fca63 | 670 | fntype[1] = build_function_type_list (type, type, type, NULL_TREE); |
b5a4419c | 671 | /* type (*) (type, int) */ |
b64fca63 NF |
672 | fntype[2] = build_function_type_list (type, |
673 | type, integer_type_node, NULL_TREE); | |
674 | /* type (*) (void) */ | |
675 | fntype[3] = build_function_type_list (type, NULL_TREE); | |
676 | /* type (*) (&int, type) */ | |
677 | fntype[4] = build_function_type_list (type, | |
678 | build_pointer_type (integer_type_node), | |
679 | type, | |
680 | NULL_TREE); | |
681 | /* type (*) (int, type) */ | |
682 | fntype[5] = build_function_type_list (type, | |
683 | integer_type_node, type, NULL_TREE); | |
e8525382 SK |
684 | } |
685 | ||
b251af97 | 686 | |
6c7a4dfd JJ |
687 | static tree |
688 | builtin_type_for_size (int size, bool unsignedp) | |
689 | { | |
690 | tree type = lang_hooks.types.type_for_size (size, unsignedp); | |
691 | return type ? type : error_mark_node; | |
692 | } | |
e8525382 | 693 | |
1f2959f0 | 694 | /* Initialization of builtin function nodes. */ |
e8525382 | 695 | |
6de9cd9a DN |
696 | static void |
697 | gfc_init_builtin_functions (void) | |
698 | { | |
6c7a4dfd JJ |
699 | enum builtin_type |
700 | { | |
701 | #define DEF_PRIMITIVE_TYPE(NAME, VALUE) NAME, | |
702 | #define DEF_FUNCTION_TYPE_0(NAME, RETURN) NAME, | |
703 | #define DEF_FUNCTION_TYPE_1(NAME, RETURN, ARG1) NAME, | |
704 | #define DEF_FUNCTION_TYPE_2(NAME, RETURN, ARG1, ARG2) NAME, | |
705 | #define DEF_FUNCTION_TYPE_3(NAME, RETURN, ARG1, ARG2, ARG3) NAME, | |
706 | #define DEF_FUNCTION_TYPE_4(NAME, RETURN, ARG1, ARG2, ARG3, ARG4) NAME, | |
707 | #define DEF_FUNCTION_TYPE_5(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5) NAME, | |
708 | #define DEF_FUNCTION_TYPE_6(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6) NAME, | |
709 | #define DEF_FUNCTION_TYPE_7(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6, ARG7) NAME, | |
710 | #define DEF_FUNCTION_TYPE_VAR_0(NAME, RETURN) NAME, | |
711 | #define DEF_POINTER_TYPE(NAME, TYPE) NAME, | |
712 | #include "types.def" | |
713 | #undef DEF_PRIMITIVE_TYPE | |
714 | #undef DEF_FUNCTION_TYPE_0 | |
715 | #undef DEF_FUNCTION_TYPE_1 | |
716 | #undef DEF_FUNCTION_TYPE_2 | |
717 | #undef DEF_FUNCTION_TYPE_3 | |
718 | #undef DEF_FUNCTION_TYPE_4 | |
719 | #undef DEF_FUNCTION_TYPE_5 | |
720 | #undef DEF_FUNCTION_TYPE_6 | |
721 | #undef DEF_FUNCTION_TYPE_7 | |
722 | #undef DEF_FUNCTION_TYPE_VAR_0 | |
723 | #undef DEF_POINTER_TYPE | |
724 | BT_LAST | |
725 | }; | |
726 | typedef enum builtin_type builtin_type; | |
727 | enum | |
728 | { | |
729 | /* So far we need just these 2 attribute types. */ | |
730 | ATTR_NOTHROW_LIST, | |
731 | ATTR_CONST_NOTHROW_LIST | |
732 | }; | |
733 | ||
b5a4419c FXC |
734 | tree mfunc_float[6]; |
735 | tree mfunc_double[6]; | |
736 | tree mfunc_longdouble[6]; | |
737 | tree mfunc_cfloat[6]; | |
738 | tree mfunc_cdouble[6]; | |
739 | tree mfunc_clongdouble[6]; | |
3a53e165 RG |
740 | tree func_cfloat_float, func_float_cfloat; |
741 | tree func_cdouble_double, func_double_cdouble; | |
742 | tree func_clongdouble_longdouble, func_longdouble_clongdouble; | |
743 | tree func_float_floatp_floatp; | |
744 | tree func_double_doublep_doublep; | |
745 | tree func_longdouble_longdoublep_longdoublep; | |
746 | tree ftype, ptype; | |
6c7a4dfd | 747 | tree builtin_types[(int) BT_LAST + 1]; |
6de9cd9a | 748 | |
e8525382 SK |
749 | build_builtin_fntypes (mfunc_float, float_type_node); |
750 | build_builtin_fntypes (mfunc_double, double_type_node); | |
644cb69f | 751 | build_builtin_fntypes (mfunc_longdouble, long_double_type_node); |
e8525382 SK |
752 | build_builtin_fntypes (mfunc_cfloat, complex_float_type_node); |
753 | build_builtin_fntypes (mfunc_cdouble, complex_double_type_node); | |
644cb69f | 754 | build_builtin_fntypes (mfunc_clongdouble, complex_long_double_type_node); |
e8525382 | 755 | |
b64fca63 NF |
756 | func_cfloat_float = build_function_type_list (float_type_node, |
757 | complex_float_type_node, | |
758 | NULL_TREE); | |
6de9cd9a | 759 | |
b64fca63 NF |
760 | func_float_cfloat = build_function_type_list (complex_float_type_node, |
761 | float_type_node, NULL_TREE); | |
3a53e165 | 762 | |
b64fca63 NF |
763 | func_cdouble_double = build_function_type_list (double_type_node, |
764 | complex_double_type_node, | |
765 | NULL_TREE); | |
6de9cd9a | 766 | |
b64fca63 NF |
767 | func_double_cdouble = build_function_type_list (complex_double_type_node, |
768 | double_type_node, NULL_TREE); | |
3a53e165 | 769 | |
644cb69f | 770 | func_clongdouble_longdouble = |
b64fca63 NF |
771 | build_function_type_list (long_double_type_node, |
772 | complex_long_double_type_node, NULL_TREE); | |
644cb69f | 773 | |
3a53e165 | 774 | func_longdouble_clongdouble = |
b64fca63 NF |
775 | build_function_type_list (complex_long_double_type_node, |
776 | long_double_type_node, NULL_TREE); | |
3a53e165 RG |
777 | |
778 | ptype = build_pointer_type (float_type_node); | |
3a53e165 | 779 | func_float_floatp_floatp = |
b64fca63 | 780 | build_function_type_list (void_type_node, ptype, ptype, NULL_TREE); |
3a53e165 RG |
781 | |
782 | ptype = build_pointer_type (double_type_node); | |
3a53e165 | 783 | func_double_doublep_doublep = |
b64fca63 | 784 | build_function_type_list (void_type_node, ptype, ptype, NULL_TREE); |
3a53e165 RG |
785 | |
786 | ptype = build_pointer_type (long_double_type_node); | |
3a53e165 | 787 | func_longdouble_longdoublep_longdoublep = |
b64fca63 | 788 | build_function_type_list (void_type_node, ptype, ptype, NULL_TREE); |
3a53e165 | 789 | |
2921157d | 790 | /* Non-math builtins are defined manually, so they're not included here. */ |
a3c85b74 | 791 | #define OTHER_BUILTIN(ID,NAME,TYPE,CONST) |
2921157d | 792 | |
6de9cd9a DN |
793 | #include "mathbuiltins.def" |
794 | ||
644cb69f FXC |
795 | gfc_define_builtin ("__builtin_roundl", mfunc_longdouble[0], |
796 | BUILT_IN_ROUNDL, "roundl", true); | |
6de9cd9a DN |
797 | gfc_define_builtin ("__builtin_round", mfunc_double[0], |
798 | BUILT_IN_ROUND, "round", true); | |
799 | gfc_define_builtin ("__builtin_roundf", mfunc_float[0], | |
800 | BUILT_IN_ROUNDF, "roundf", true); | |
644cb69f FXC |
801 | |
802 | gfc_define_builtin ("__builtin_truncl", mfunc_longdouble[0], | |
803 | BUILT_IN_TRUNCL, "truncl", true); | |
e743d142 TS |
804 | gfc_define_builtin ("__builtin_trunc", mfunc_double[0], |
805 | BUILT_IN_TRUNC, "trunc", true); | |
806 | gfc_define_builtin ("__builtin_truncf", mfunc_float[0], | |
807 | BUILT_IN_TRUNCF, "truncf", true); | |
808 | ||
644cb69f FXC |
809 | gfc_define_builtin ("__builtin_cabsl", func_clongdouble_longdouble, |
810 | BUILT_IN_CABSL, "cabsl", true); | |
ead6d15f AP |
811 | gfc_define_builtin ("__builtin_cabs", func_cdouble_double, |
812 | BUILT_IN_CABS, "cabs", true); | |
813 | gfc_define_builtin ("__builtin_cabsf", func_cfloat_float, | |
814 | BUILT_IN_CABSF, "cabsf", true); | |
c6a912da | 815 | |
644cb69f FXC |
816 | gfc_define_builtin ("__builtin_copysignl", mfunc_longdouble[1], |
817 | BUILT_IN_COPYSIGNL, "copysignl", true); | |
ead6d15f AP |
818 | gfc_define_builtin ("__builtin_copysign", mfunc_double[1], |
819 | BUILT_IN_COPYSIGN, "copysign", true); | |
820 | gfc_define_builtin ("__builtin_copysignf", mfunc_float[1], | |
821 | BUILT_IN_COPYSIGNF, "copysignf", true); | |
58b6e047 | 822 | |
b5a4419c FXC |
823 | gfc_define_builtin ("__builtin_nextafterl", mfunc_longdouble[1], |
824 | BUILT_IN_NEXTAFTERL, "nextafterl", true); | |
825 | gfc_define_builtin ("__builtin_nextafter", mfunc_double[1], | |
826 | BUILT_IN_NEXTAFTER, "nextafter", true); | |
827 | gfc_define_builtin ("__builtin_nextafterf", mfunc_float[1], | |
828 | BUILT_IN_NEXTAFTERF, "nextafterf", true); | |
829 | ||
830 | gfc_define_builtin ("__builtin_frexpl", mfunc_longdouble[4], | |
831 | BUILT_IN_FREXPL, "frexpl", false); | |
832 | gfc_define_builtin ("__builtin_frexp", mfunc_double[4], | |
833 | BUILT_IN_FREXP, "frexp", false); | |
834 | gfc_define_builtin ("__builtin_frexpf", mfunc_float[4], | |
835 | BUILT_IN_FREXPF, "frexpf", false); | |
836 | ||
837 | gfc_define_builtin ("__builtin_fabsl", mfunc_longdouble[0], | |
838 | BUILT_IN_FABSL, "fabsl", true); | |
839 | gfc_define_builtin ("__builtin_fabs", mfunc_double[0], | |
840 | BUILT_IN_FABS, "fabs", true); | |
841 | gfc_define_builtin ("__builtin_fabsf", mfunc_float[0], | |
842 | BUILT_IN_FABSF, "fabsf", true); | |
843 | ||
844 | gfc_define_builtin ("__builtin_scalbnl", mfunc_longdouble[5], | |
845 | BUILT_IN_SCALBNL, "scalbnl", true); | |
846 | gfc_define_builtin ("__builtin_scalbn", mfunc_double[5], | |
847 | BUILT_IN_SCALBN, "scalbn", true); | |
848 | gfc_define_builtin ("__builtin_scalbnf", mfunc_float[5], | |
849 | BUILT_IN_SCALBNF, "scalbnf", true); | |
850 | ||
58b6e047 PT |
851 | gfc_define_builtin ("__builtin_fmodl", mfunc_longdouble[1], |
852 | BUILT_IN_FMODL, "fmodl", true); | |
853 | gfc_define_builtin ("__builtin_fmod", mfunc_double[1], | |
854 | BUILT_IN_FMOD, "fmod", true); | |
855 | gfc_define_builtin ("__builtin_fmodf", mfunc_float[1], | |
856 | BUILT_IN_FMODF, "fmodf", true); | |
6de9cd9a | 857 | |
f6d53468 UW |
858 | gfc_define_builtin ("__builtin_huge_vall", mfunc_longdouble[3], |
859 | BUILT_IN_HUGE_VALL, "__builtin_huge_vall", true); | |
860 | gfc_define_builtin ("__builtin_huge_val", mfunc_double[3], | |
861 | BUILT_IN_HUGE_VAL, "__builtin_huge_val", true); | |
862 | gfc_define_builtin ("__builtin_huge_valf", mfunc_float[3], | |
863 | BUILT_IN_HUGE_VALF, "__builtin_huge_valf", true); | |
b5a4419c | 864 | |
94f548c2 | 865 | /* lround{f,,l} and llround{f,,l} */ |
b64fca63 NF |
866 | ftype = build_function_type_list (long_integer_type_node, |
867 | float_type_node, NULL_TREE); | |
868 | gfc_define_builtin ("__builtin_lroundf", ftype, BUILT_IN_LROUNDF, | |
94f548c2 | 869 | "lroundf", true); |
b64fca63 NF |
870 | ftype = build_function_type_list (long_long_integer_type_node, |
871 | float_type_node, NULL_TREE); | |
872 | gfc_define_builtin ("__builtin_llroundf", ftype, BUILT_IN_LLROUNDF, | |
94f548c2 FXC |
873 | "llroundf", true); |
874 | ||
b64fca63 NF |
875 | ftype = build_function_type_list (long_integer_type_node, |
876 | double_type_node, NULL_TREE); | |
877 | gfc_define_builtin ("__builtin_lround", ftype, BUILT_IN_LROUND, | |
94f548c2 | 878 | "lround", true); |
b64fca63 NF |
879 | ftype = build_function_type_list (long_long_integer_type_node, |
880 | double_type_node, NULL_TREE); | |
881 | gfc_define_builtin ("__builtin_llround", ftype, BUILT_IN_LLROUND, | |
94f548c2 FXC |
882 | "llround", true); |
883 | ||
b64fca63 NF |
884 | ftype = build_function_type_list (long_integer_type_node, |
885 | long_double_type_node, NULL_TREE); | |
886 | gfc_define_builtin ("__builtin_lroundl", ftype, BUILT_IN_LROUNDL, | |
94f548c2 | 887 | "lroundl", true); |
b64fca63 NF |
888 | ftype = build_function_type_list (long_long_integer_type_node, |
889 | long_double_type_node, NULL_TREE); | |
890 | gfc_define_builtin ("__builtin_llroundl", ftype, BUILT_IN_LLROUNDL, | |
94f548c2 FXC |
891 | "llroundl", true); |
892 | ||
5b200ac2 | 893 | /* These are used to implement the ** operator. */ |
644cb69f FXC |
894 | gfc_define_builtin ("__builtin_powl", mfunc_longdouble[1], |
895 | BUILT_IN_POWL, "powl", true); | |
c7d78bbe | 896 | gfc_define_builtin ("__builtin_pow", mfunc_double[1], |
5b200ac2 | 897 | BUILT_IN_POW, "pow", true); |
c7d78bbe | 898 | gfc_define_builtin ("__builtin_powf", mfunc_float[1], |
5b200ac2 | 899 | BUILT_IN_POWF, "powf", true); |
fb220235 FXC |
900 | gfc_define_builtin ("__builtin_cpowl", mfunc_clongdouble[1], |
901 | BUILT_IN_CPOWL, "cpowl", true); | |
902 | gfc_define_builtin ("__builtin_cpow", mfunc_cdouble[1], | |
903 | BUILT_IN_CPOW, "cpow", true); | |
904 | gfc_define_builtin ("__builtin_cpowf", mfunc_cfloat[1], | |
905 | BUILT_IN_CPOWF, "cpowf", true); | |
31c97dfe JB |
906 | gfc_define_builtin ("__builtin_powil", mfunc_longdouble[2], |
907 | BUILT_IN_POWIL, "powil", true); | |
908 | gfc_define_builtin ("__builtin_powi", mfunc_double[2], | |
909 | BUILT_IN_POWI, "powi", true); | |
910 | gfc_define_builtin ("__builtin_powif", mfunc_float[2], | |
911 | BUILT_IN_POWIF, "powif", true); | |
912 | ||
5b200ac2 | 913 | |
3a53e165 RG |
914 | if (TARGET_C99_FUNCTIONS) |
915 | { | |
916 | gfc_define_builtin ("__builtin_cbrtl", mfunc_longdouble[0], | |
917 | BUILT_IN_CBRTL, "cbrtl", true); | |
918 | gfc_define_builtin ("__builtin_cbrt", mfunc_double[0], | |
919 | BUILT_IN_CBRT, "cbrt", true); | |
920 | gfc_define_builtin ("__builtin_cbrtf", mfunc_float[0], | |
921 | BUILT_IN_CBRTF, "cbrtf", true); | |
922 | gfc_define_builtin ("__builtin_cexpil", func_longdouble_clongdouble, | |
923 | BUILT_IN_CEXPIL, "cexpil", true); | |
924 | gfc_define_builtin ("__builtin_cexpi", func_double_cdouble, | |
925 | BUILT_IN_CEXPI, "cexpi", true); | |
926 | gfc_define_builtin ("__builtin_cexpif", func_float_cfloat, | |
927 | BUILT_IN_CEXPIF, "cexpif", true); | |
928 | } | |
929 | ||
930 | if (TARGET_HAS_SINCOS) | |
931 | { | |
932 | gfc_define_builtin ("__builtin_sincosl", | |
933 | func_longdouble_longdoublep_longdoublep, | |
934 | BUILT_IN_SINCOSL, "sincosl", false); | |
935 | gfc_define_builtin ("__builtin_sincos", func_double_doublep_doublep, | |
936 | BUILT_IN_SINCOS, "sincos", false); | |
937 | gfc_define_builtin ("__builtin_sincosf", func_float_floatp_floatp, | |
938 | BUILT_IN_SINCOSF, "sincosf", false); | |
939 | } | |
940 | ||
414f00e9 | 941 | /* For LEADZ / TRAILZ. */ |
b64fca63 NF |
942 | ftype = build_function_type_list (integer_type_node, |
943 | unsigned_type_node, NULL_TREE); | |
414f00e9 SB |
944 | gfc_define_builtin ("__builtin_clz", ftype, BUILT_IN_CLZ, |
945 | "__builtin_clz", true); | |
414f00e9 SB |
946 | gfc_define_builtin ("__builtin_ctz", ftype, BUILT_IN_CTZ, |
947 | "__builtin_ctz", true); | |
948 | ||
b64fca63 NF |
949 | ftype = build_function_type_list (integer_type_node, |
950 | long_unsigned_type_node, NULL_TREE); | |
951 | gfc_define_builtin ("__builtin_clzl", ftype, BUILT_IN_CLZL, | |
952 | "__builtin_clzl", true); | |
414f00e9 SB |
953 | gfc_define_builtin ("__builtin_ctzl", ftype, BUILT_IN_CTZL, |
954 | "__builtin_ctzl", true); | |
955 | ||
b64fca63 NF |
956 | ftype = build_function_type_list (integer_type_node, |
957 | long_long_unsigned_type_node, NULL_TREE); | |
958 | gfc_define_builtin ("__builtin_clzll", ftype, BUILT_IN_CLZLL, | |
959 | "__builtin_clzll", true); | |
414f00e9 SB |
960 | gfc_define_builtin ("__builtin_ctzll", ftype, BUILT_IN_CTZLL, |
961 | "__builtin_ctzll", true); | |
962 | ||
6de9cd9a DN |
963 | /* Other builtin functions we use. */ |
964 | ||
b64fca63 NF |
965 | ftype = build_function_type_list (long_integer_type_node, |
966 | long_integer_type_node, | |
967 | long_integer_type_node, NULL_TREE); | |
c6a912da RH |
968 | gfc_define_builtin ("__builtin_expect", ftype, BUILT_IN_EXPECT, |
969 | "__builtin_expect", true); | |
ef9312c1 | 970 | |
b64fca63 NF |
971 | ftype = build_function_type_list (void_type_node, |
972 | pvoid_type_node, NULL_TREE); | |
1529b8d9 FXC |
973 | gfc_define_builtin ("__builtin_free", ftype, BUILT_IN_FREE, |
974 | "free", false); | |
975 | ||
b64fca63 NF |
976 | ftype = build_function_type_list (pvoid_type_node, |
977 | size_type_node, NULL_TREE); | |
1529b8d9 FXC |
978 | gfc_define_builtin ("__builtin_malloc", ftype, BUILT_IN_MALLOC, |
979 | "malloc", false); | |
980 | DECL_IS_MALLOC (built_in_decls[BUILT_IN_MALLOC]) = 1; | |
981 | ||
b64fca63 NF |
982 | ftype = build_function_type_list (pvoid_type_node, |
983 | size_type_node, pvoid_type_node, | |
984 | NULL_TREE); | |
4376b7cf FXC |
985 | gfc_define_builtin ("__builtin_realloc", ftype, BUILT_IN_REALLOC, |
986 | "realloc", false); | |
987 | ||
b64fca63 NF |
988 | ftype = build_function_type_list (integer_type_node, |
989 | void_type_node, NULL_TREE); | |
5fcb93f1 FXC |
990 | gfc_define_builtin ("__builtin_isnan", ftype, BUILT_IN_ISNAN, |
991 | "__builtin_isnan", true); | |
992 | ||
6c7a4dfd JJ |
993 | #define DEF_PRIMITIVE_TYPE(ENUM, VALUE) \ |
994 | builtin_types[(int) ENUM] = VALUE; | |
b64fca63 NF |
995 | #define DEF_FUNCTION_TYPE_0(ENUM, RETURN) \ |
996 | builtin_types[(int) ENUM] \ | |
997 | = build_function_type_list (builtin_types[(int) RETURN], \ | |
998 | NULL_TREE); | |
6c7a4dfd JJ |
999 | #define DEF_FUNCTION_TYPE_1(ENUM, RETURN, ARG1) \ |
1000 | builtin_types[(int) ENUM] \ | |
b64fca63 NF |
1001 | = build_function_type_list (builtin_types[(int) RETURN], \ |
1002 | builtin_types[(int) ARG1], \ | |
1003 | NULL_TREE); | |
1004 | #define DEF_FUNCTION_TYPE_2(ENUM, RETURN, ARG1, ARG2) \ | |
1005 | builtin_types[(int) ENUM] \ | |
1006 | = build_function_type_list (builtin_types[(int) RETURN], \ | |
1007 | builtin_types[(int) ARG1], \ | |
1008 | builtin_types[(int) ARG2], \ | |
1009 | NULL_TREE); | |
1010 | #define DEF_FUNCTION_TYPE_3(ENUM, RETURN, ARG1, ARG2, ARG3) \ | |
1011 | builtin_types[(int) ENUM] \ | |
1012 | = build_function_type_list (builtin_types[(int) RETURN], \ | |
1013 | builtin_types[(int) ARG1], \ | |
1014 | builtin_types[(int) ARG2], \ | |
1015 | builtin_types[(int) ARG3], \ | |
1016 | NULL_TREE); | |
6c7a4dfd JJ |
1017 | #define DEF_FUNCTION_TYPE_4(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4) \ |
1018 | builtin_types[(int) ENUM] \ | |
b64fca63 NF |
1019 | = build_function_type_list (builtin_types[(int) RETURN], \ |
1020 | builtin_types[(int) ARG1], \ | |
1021 | builtin_types[(int) ARG2], \ | |
1022 | builtin_types[(int) ARG3], \ | |
1023 | builtin_types[(int) ARG4], \ | |
1024 | NULL_TREE); | |
6c7a4dfd JJ |
1025 | #define DEF_FUNCTION_TYPE_5(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5) \ |
1026 | builtin_types[(int) ENUM] \ | |
b64fca63 NF |
1027 | = build_function_type_list (builtin_types[(int) RETURN], \ |
1028 | builtin_types[(int) ARG1], \ | |
1029 | builtin_types[(int) ARG2], \ | |
1030 | builtin_types[(int) ARG3], \ | |
1031 | builtin_types[(int) ARG4], \ | |
1032 | builtin_types[(int) ARG5], \ | |
1033 | NULL_TREE); | |
6c7a4dfd JJ |
1034 | #define DEF_FUNCTION_TYPE_6(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \ |
1035 | ARG6) \ | |
1036 | builtin_types[(int) ENUM] \ | |
b64fca63 NF |
1037 | = build_function_type_list (builtin_types[(int) RETURN], \ |
1038 | builtin_types[(int) ARG1], \ | |
1039 | builtin_types[(int) ARG2], \ | |
1040 | builtin_types[(int) ARG3], \ | |
1041 | builtin_types[(int) ARG4], \ | |
1042 | builtin_types[(int) ARG5], \ | |
1043 | builtin_types[(int) ARG6], \ | |
1044 | NULL_TREE); | |
6c7a4dfd JJ |
1045 | #define DEF_FUNCTION_TYPE_7(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \ |
1046 | ARG6, ARG7) \ | |
1047 | builtin_types[(int) ENUM] \ | |
b64fca63 NF |
1048 | = build_function_type_list (builtin_types[(int) RETURN], \ |
1049 | builtin_types[(int) ARG1], \ | |
1050 | builtin_types[(int) ARG2], \ | |
1051 | builtin_types[(int) ARG3], \ | |
1052 | builtin_types[(int) ARG4], \ | |
1053 | builtin_types[(int) ARG5], \ | |
1054 | builtin_types[(int) ARG6], \ | |
1055 | builtin_types[(int) ARG7], \ | |
1056 | NULL_TREE); | |
6c7a4dfd JJ |
1057 | #define DEF_FUNCTION_TYPE_VAR_0(ENUM, RETURN) \ |
1058 | builtin_types[(int) ENUM] \ | |
b64fca63 NF |
1059 | = build_varargs_function_type_list (builtin_types[(int) RETURN], \ |
1060 | NULL_TREE); | |
6c7a4dfd JJ |
1061 | #define DEF_POINTER_TYPE(ENUM, TYPE) \ |
1062 | builtin_types[(int) ENUM] \ | |
1063 | = build_pointer_type (builtin_types[(int) TYPE]); | |
1064 | #include "types.def" | |
1065 | #undef DEF_PRIMITIVE_TYPE | |
1066 | #undef DEF_FUNCTION_TYPE_1 | |
1067 | #undef DEF_FUNCTION_TYPE_2 | |
1068 | #undef DEF_FUNCTION_TYPE_3 | |
1069 | #undef DEF_FUNCTION_TYPE_4 | |
1070 | #undef DEF_FUNCTION_TYPE_5 | |
1071 | #undef DEF_FUNCTION_TYPE_6 | |
1072 | #undef DEF_FUNCTION_TYPE_VAR_0 | |
1073 | #undef DEF_POINTER_TYPE | |
1074 | builtin_types[(int) BT_LAST] = NULL_TREE; | |
1075 | ||
1076 | /* Initialize synchronization builtins. */ | |
1077 | #undef DEF_SYNC_BUILTIN | |
1078 | #define DEF_SYNC_BUILTIN(code, name, type, attr) \ | |
1079 | gfc_define_builtin (name, builtin_types[type], code, name, \ | |
1080 | attr == ATTR_CONST_NOTHROW_LIST); | |
1081 | #include "../sync-builtins.def" | |
1082 | #undef DEF_SYNC_BUILTIN | |
1083 | ||
e0e8ce7a | 1084 | if (gfc_option.flag_openmp || flag_tree_parallelize_loops) |
6c7a4dfd JJ |
1085 | { |
1086 | #undef DEF_GOMP_BUILTIN | |
1087 | #define DEF_GOMP_BUILTIN(code, name, type, attr) \ | |
1088 | gfc_define_builtin ("__builtin_" name, builtin_types[type], \ | |
1089 | code, name, attr == ATTR_CONST_NOTHROW_LIST); | |
1090 | #include "../omp-builtins.def" | |
1091 | #undef DEF_GOMP_BUILTIN | |
1092 | } | |
1093 | ||
1094 | gfc_define_builtin ("__builtin_trap", builtin_types[BT_FN_VOID], | |
1095 | BUILT_IN_TRAP, NULL, false); | |
1096 | TREE_THIS_VOLATILE (built_in_decls[BUILT_IN_TRAP]) = 1; | |
1097 | ||
8893239d RH |
1098 | gfc_define_builtin ("__emutls_get_address", |
1099 | builtin_types[BT_FN_PTR_PTR], BUILT_IN_EMUTLS_GET_ADDRESS, | |
1100 | "__emutls_get_address", true); | |
1101 | gfc_define_builtin ("__emutls_register_common", | |
1102 | builtin_types[BT_FN_VOID_PTR_WORD_WORD_PTR], | |
1103 | BUILT_IN_EMUTLS_REGISTER_COMMON, | |
1104 | "__emutls_register_common", false); | |
1105 | ||
384c400a | 1106 | build_common_builtin_nodes (); |
ef9312c1 | 1107 | targetm.init_builtins (); |
6de9cd9a DN |
1108 | } |
1109 | ||
e8525382 | 1110 | #undef DEFINE_MATH_BUILTIN_C |
6de9cd9a DN |
1111 | #undef DEFINE_MATH_BUILTIN |
1112 | ||
a64f5186 JJ |
1113 | static void |
1114 | gfc_init_ts (void) | |
1115 | { | |
1116 | tree_contains_struct[NAMESPACE_DECL][TS_DECL_NON_COMMON] = 1; | |
1117 | tree_contains_struct[NAMESPACE_DECL][TS_DECL_WITH_VIS] = 1; | |
1118 | tree_contains_struct[NAMESPACE_DECL][TS_DECL_WRTL] = 1; | |
1119 | tree_contains_struct[NAMESPACE_DECL][TS_DECL_COMMON] = 1; | |
1120 | tree_contains_struct[NAMESPACE_DECL][TS_DECL_MINIMAL] = 1; | |
1121 | } | |
1122 | ||
602b8523 TB |
1123 | void |
1124 | gfc_maybe_initialize_eh (void) | |
1125 | { | |
1126 | if (!flag_exceptions || gfc_eh_initialized_p) | |
1127 | return; | |
1128 | ||
1129 | gfc_eh_initialized_p = true; | |
602b8523 TB |
1130 | using_eh_for_cleanups (); |
1131 | } | |
1132 | ||
1133 | ||
6de9cd9a DN |
1134 | #include "gt-fortran-f95-lang.h" |
1135 | #include "gtype-fortran.h" |