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69dcadff | 1 | /* Default language-specific hooks. |
2d593c86 | 2 | Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 |
b56b9fe3 | 3 | Free Software Foundation, Inc. |
69dcadff AO |
4 | Contributed by Alexandre Oliva <aoliva@redhat.com> |
5 | ||
54a7b573 | 6 | This file is part of GCC. |
69dcadff | 7 | |
54a7b573 | 8 | GCC is free software; you can redistribute it and/or modify |
69dcadff | 9 | it under the terms of the GNU General Public License as published by |
9dcd6f09 | 10 | the Free Software Foundation; either version 3, or (at your option) |
69dcadff AO |
11 | any later version. |
12 | ||
54a7b573 | 13 | GCC is distributed in the hope that it will be useful, |
69dcadff AO |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
9dcd6f09 NC |
19 | along with GCC; see the file COPYING3. If not see |
20 | <http://www.gnu.org/licenses/>. */ | |
69dcadff AO |
21 | |
22 | #include "config.h" | |
23 | #include "system.h" | |
4977bab6 | 24 | #include "coretypes.h" |
971801ff | 25 | #include "intl.h" |
4977bab6 | 26 | #include "tm.h" |
69dcadff AO |
27 | #include "toplev.h" |
28 | #include "tree.h" | |
29 | #include "tree-inline.h" | |
726a989a | 30 | #include "gimple.h" |
1affb409 JJ |
31 | #include "rtl.h" |
32 | #include "insn-config.h" | |
33 | #include "integrate.h" | |
29ac78d5 | 34 | #include "flags.h" |
59bee412 | 35 | #include "langhooks.h" |
5234b8f5 | 36 | #include "target.h" |
d23c55c2 | 37 | #include "langhooks-def.h" |
26e0dcb3 | 38 | #include "ggc.h" |
dba65e79 | 39 | #include "diagnostic.h" |
59bee412 | 40 | |
77b1a921 | 41 | /* Do nothing; in many cases the default hook. */ |
8ac61af7 | 42 | |
77b1a921 | 43 | void |
0c20a65f | 44 | lhd_do_nothing (void) |
77b1a921 NB |
45 | { |
46 | } | |
47 | ||
b03e38e1 | 48 | /* Do nothing (tree). */ |
63e1b1c4 NB |
49 | |
50 | void | |
e18476eb | 51 | lhd_do_nothing_t (tree ARG_UNUSED (t)) |
63e1b1c4 NB |
52 | { |
53 | } | |
54 | ||
ff45c01e NB |
55 | /* Do nothing (int). */ |
56 | ||
57 | void | |
e18476eb | 58 | lhd_do_nothing_i (int ARG_UNUSED (i)) |
ff45c01e NB |
59 | { |
60 | } | |
61 | ||
a7e8c268 MM |
62 | /* Do nothing (int, int, int). Return NULL_TREE. */ |
63 | ||
64 | tree | |
9f63daea | 65 | lhd_do_nothing_iii_return_null_tree (int ARG_UNUSED (i), |
e18476eb BI |
66 | int ARG_UNUSED (j), |
67 | int ARG_UNUSED (k)) | |
a7e8c268 MM |
68 | { |
69 | return NULL_TREE; | |
70 | } | |
71 | ||
b03e38e1 NB |
72 | /* Do nothing (function). */ |
73 | ||
74 | void | |
e18476eb | 75 | lhd_do_nothing_f (struct function * ARG_UNUSED (f)) |
b03e38e1 NB |
76 | { |
77 | } | |
78 | ||
c88770e9 NB |
79 | /* Do nothing (return NULL_TREE). */ |
80 | ||
47aa0df4 MM |
81 | tree |
82 | lhd_return_null_tree_v (void) | |
83 | { | |
84 | return NULL_TREE; | |
85 | } | |
86 | ||
87 | /* Do nothing (return NULL_TREE). */ | |
88 | ||
c88770e9 | 89 | tree |
e18476eb | 90 | lhd_return_null_tree (tree ARG_UNUSED (t)) |
c88770e9 NB |
91 | { |
92 | return NULL_TREE; | |
93 | } | |
94 | ||
fa233e34 KG |
95 | /* Do nothing (return NULL_TREE). */ |
96 | ||
97 | tree | |
98 | lhd_return_null_const_tree (const_tree ARG_UNUSED (t)) | |
99 | { | |
100 | return NULL_TREE; | |
101 | } | |
102 | ||
4bfec483 NB |
103 | /* The default post options hook. */ |
104 | ||
105 | bool | |
e18476eb | 106 | lhd_post_options (const char ** ARG_UNUSED (pfilename)) |
4bfec483 NB |
107 | { |
108 | return false; | |
109 | } | |
110 | ||
5d69f816 NB |
111 | /* Called from by print-tree.c. */ |
112 | ||
113 | void | |
e18476eb BI |
114 | lhd_print_tree_nothing (FILE * ARG_UNUSED (file), |
115 | tree ARG_UNUSED (node), | |
116 | int ARG_UNUSED (indent)) | |
5d69f816 | 117 | { |
ac79cd5a RK |
118 | } |
119 | ||
270c60bb DB |
120 | /* Called from staticp. */ |
121 | ||
122 | tree | |
123 | lhd_staticp (tree ARG_UNUSED (exp)) | |
124 | { | |
125 | return NULL; | |
126 | } | |
127 | ||
ef4f94ac RH |
128 | /* Called from check_global_declarations. */ |
129 | ||
130 | bool | |
ac7d7749 | 131 | lhd_warn_unused_global_decl (const_tree decl) |
ef4f94ac RH |
132 | { |
133 | /* This is what used to exist in check_global_declarations. Probably | |
134 | not many of these actually apply to non-C languages. */ | |
135 | ||
136 | if (TREE_CODE (decl) == FUNCTION_DECL && DECL_INLINE (decl)) | |
137 | return false; | |
138 | if (TREE_CODE (decl) == VAR_DECL && TREE_READONLY (decl)) | |
139 | return false; | |
140 | if (DECL_IN_SYSTEM_HEADER (decl)) | |
141 | return false; | |
142 | ||
143 | return true; | |
144 | } | |
145 | ||
599bba86 NB |
146 | /* Set the DECL_ASSEMBLER_NAME for DECL. */ |
147 | void | |
0c20a65f | 148 | lhd_set_decl_assembler_name (tree decl) |
599bba86 | 149 | { |
5234b8f5 DS |
150 | tree id; |
151 | ||
599bba86 NB |
152 | /* The language-independent code should never use the |
153 | DECL_ASSEMBLER_NAME for lots of DECLs. Only FUNCTION_DECLs and | |
154 | VAR_DECLs for variables with static storage duration need a real | |
8127d0e0 | 155 | DECL_ASSEMBLER_NAME. */ |
41806d92 NS |
156 | gcc_assert (TREE_CODE (decl) == FUNCTION_DECL |
157 | || (TREE_CODE (decl) == VAR_DECL | |
158 | && (TREE_STATIC (decl) | |
159 | || DECL_EXTERNAL (decl) | |
160 | || TREE_PUBLIC (decl)))); | |
161 | ||
162 | /* By default, assume the name to use in assembly code is the same | |
163 | as that used in the source language. (That's correct for C, and | |
164 | GCC used to set DECL_ASSEMBLER_NAME to the same value as | |
165 | DECL_NAME in build_decl, so this choice provides backwards | |
5234b8f5 DS |
166 | compatibility with existing front-ends. This assumption is wrapped |
167 | in a target hook, to allow for target-specific modification of the | |
168 | identifier. | |
169 | ||
41806d92 NS |
170 | Can't use just the variable's own name for a variable whose scope |
171 | is less than the whole compilation. Concatenate a distinguishing | |
172 | number - we use the DECL_UID. */ | |
5234b8f5 | 173 | |
41806d92 | 174 | if (TREE_PUBLIC (decl) || DECL_CONTEXT (decl) == NULL_TREE) |
5234b8f5 | 175 | id = targetm.mangle_decl_assembler_name (decl, DECL_NAME (decl)); |
41806d92 | 176 | else |
26e0dcb3 | 177 | { |
41806d92 NS |
178 | const char *name = IDENTIFIER_POINTER (DECL_NAME (decl)); |
179 | char *label; | |
180 | ||
181 | ASM_FORMAT_PRIVATE_NAME (label, name, DECL_UID (decl)); | |
5234b8f5 | 182 | id = get_identifier (label); |
26e0dcb3 | 183 | } |
5234b8f5 DS |
184 | SET_DECL_ASSEMBLER_NAME (decl, id); |
185 | ||
599bba86 NB |
186 | } |
187 | ||
ab393bf1 NB |
188 | /* Type promotion for variable arguments. */ |
189 | tree | |
e18476eb | 190 | lhd_type_promotes_to (tree ARG_UNUSED (type)) |
ab393bf1 | 191 | { |
41806d92 | 192 | gcc_unreachable (); |
ab393bf1 NB |
193 | } |
194 | ||
9649812a MM |
195 | /* Registration of machine- or os-specific builtin types. */ |
196 | void | |
9f63daea | 197 | lhd_register_builtin_type (tree ARG_UNUSED (type), |
e18476eb | 198 | const char * ARG_UNUSED (name)) |
9649812a MM |
199 | { |
200 | } | |
201 | ||
7a228918 NB |
202 | /* Invalid use of an incomplete type. */ |
203 | void | |
ac7d7749 | 204 | lhd_incomplete_type_error (const_tree ARG_UNUSED (value), const_tree type) |
7a228918 | 205 | { |
41806d92 NS |
206 | gcc_assert (TREE_CODE (type) == ERROR_MARK); |
207 | return; | |
7a228918 NB |
208 | } |
209 | ||
37207ee7 ZW |
210 | /* Provide a default routine for alias sets that always returns -1. This |
211 | is used by languages that don't need to do anything special. */ | |
212 | ||
4862826d | 213 | alias_set_type |
e18476eb | 214 | lhd_get_alias_set (tree ARG_UNUSED (t)) |
37207ee7 ZW |
215 | { |
216 | return -1; | |
217 | } | |
218 | ||
c9d892a8 NB |
219 | /* This is the default expand_expr function. */ |
220 | ||
221 | rtx | |
e18476eb BI |
222 | lhd_expand_expr (tree ARG_UNUSED (t), rtx ARG_UNUSED (r), |
223 | enum machine_mode ARG_UNUSED (mm), | |
224 | int ARG_UNUSED (em), | |
225 | rtx * ARG_UNUSED (a)) | |
c9d892a8 | 226 | { |
41806d92 | 227 | gcc_unreachable (); |
c9d892a8 NB |
228 | } |
229 | ||
c2484a8b | 230 | /* The default language-specific function for expanding a decl. After |
6de9cd9a DN |
231 | the language-independent cases are handled, this function will be |
232 | called. If this function is not defined, it is assumed that | |
233 | declarations other than those for variables and labels do not require | |
234 | any RTL generation. */ | |
235 | ||
236 | int | |
e18476eb | 237 | lhd_expand_decl (tree ARG_UNUSED (t)) |
6de9cd9a DN |
238 | { |
239 | return 0; | |
240 | } | |
241 | ||
7afff7cf NB |
242 | /* This is the default decl_printable_name function. */ |
243 | ||
244 | const char * | |
e18476eb | 245 | lhd_decl_printable_name (tree decl, int ARG_UNUSED (verbosity)) |
7afff7cf | 246 | { |
05cf561d | 247 | gcc_assert (decl && DECL_NAME (decl)); |
7afff7cf NB |
248 | return IDENTIFIER_POINTER (DECL_NAME (decl)); |
249 | } | |
250 | ||
721a8ac5 NS |
251 | /* This is the default dwarf_name function. */ |
252 | ||
253 | const char * | |
254 | lhd_dwarf_name (tree t, int verbosity) | |
255 | { | |
256 | gcc_assert (DECL_P (t)); | |
257 | ||
258 | return lang_hooks.decl_printable_name (t, verbosity); | |
259 | } | |
260 | ||
6de9cd9a DN |
261 | /* This compares two types for equivalence ("compatible" in C-based languages). |
262 | This routine should only return 1 if it is sure. It should not be used | |
263 | in contexts where erroneously returning 0 causes problems. */ | |
264 | ||
265 | int | |
266 | lhd_types_compatible_p (tree x, tree y) | |
267 | { | |
268 | return TYPE_MAIN_VARIANT (x) == TYPE_MAIN_VARIANT (y); | |
269 | } | |
270 | ||
e11e816e | 271 | /* lang_hooks.tree_dump.dump_tree: Dump language-specific parts of tree |
cc2902df | 272 | nodes. Returns nonzero if it does not want the usual dumping of the |
89d684bb BM |
273 | second argument. */ |
274 | ||
2bd3ecad | 275 | bool |
0c20a65f | 276 | lhd_tree_dump_dump_tree (void *di ATTRIBUTE_UNUSED, tree t ATTRIBUTE_UNUSED) |
89d684bb | 277 | { |
2bd3ecad | 278 | return false; |
89d684bb BM |
279 | } |
280 | ||
e11e816e | 281 | /* lang_hooks.tree_dump.type_qual: Determine type qualifiers in a |
89d684bb BM |
282 | language-specific way. */ |
283 | ||
284 | int | |
ac7d7749 | 285 | lhd_tree_dump_type_quals (const_tree t) |
89d684bb BM |
286 | { |
287 | return TYPE_QUALS (t); | |
288 | } | |
a77a9a18 JM |
289 | |
290 | /* lang_hooks.expr_size: Determine the size of the value of an expression T | |
291 | in a language-specific way. Returns a tree for the size in bytes. */ | |
292 | ||
293 | tree | |
ac7d7749 | 294 | lhd_expr_size (const_tree exp) |
a77a9a18 | 295 | { |
6615c446 | 296 | if (DECL_P (exp) |
a77a9a18 JM |
297 | && DECL_SIZE_UNIT (exp) != 0) |
298 | return DECL_SIZE_UNIT (exp); | |
299 | else | |
300 | return size_in_bytes (TREE_TYPE (exp)); | |
301 | } | |
16b0d23f | 302 | |
6de9cd9a DN |
303 | /* lang_hooks.gimplify_expr re-writes *EXPR_P into GIMPLE form. */ |
304 | ||
305 | int | |
726a989a RB |
306 | lhd_gimplify_expr (tree *expr_p ATTRIBUTE_UNUSED, |
307 | gimple_seq *pre_p ATTRIBUTE_UNUSED, | |
308 | gimple_seq *post_p ATTRIBUTE_UNUSED) | |
16b0d23f | 309 | { |
6de9cd9a | 310 | return GS_UNHANDLED; |
16b0d23f | 311 | } |
2f51bb1d | 312 | |
d78e771d | 313 | /* lang_hooks.tree_size: Determine the size of a tree with code C, |
6615c446 JO |
314 | which is a language-specific tree code in category tcc_constant or |
315 | tcc_exceptional. The default expects never to be called. */ | |
d78e771d | 316 | size_t |
0c20a65f | 317 | lhd_tree_size (enum tree_code c ATTRIBUTE_UNUSED) |
d78e771d | 318 | { |
41806d92 | 319 | gcc_unreachable (); |
d78e771d ZW |
320 | } |
321 | ||
e076f71a AH |
322 | /* Return true if decl, which is a function decl, may be called by a |
323 | sibcall. */ | |
324 | ||
325 | bool | |
58f9752a | 326 | lhd_decl_ok_for_sibcall (const_tree decl ATTRIBUTE_UNUSED) |
e076f71a AH |
327 | { |
328 | return true; | |
329 | } | |
330 | ||
c18a5b6c MM |
331 | /* Return the COMDAT group into which DECL should be placed. */ |
332 | ||
333 | const char * | |
334 | lhd_comdat_group (tree decl) | |
335 | { | |
336 | return IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)); | |
337 | } | |
338 | ||
2f51bb1d | 339 | /* lang_hooks.decls.final_write_globals: perform final processing on |
3dc575ff | 340 | global variables. */ |
2f51bb1d | 341 | void |
0c20a65f | 342 | write_global_declarations (void) |
2f51bb1d MA |
343 | { |
344 | /* Really define vars that have had only a tentative definition. | |
345 | Really output inline functions that must actually be callable | |
346 | and have not been output so far. */ | |
347 | ||
ae2bcd98 | 348 | tree globals = lang_hooks.decls.getdecls (); |
2f51bb1d | 349 | int len = list_length (globals); |
5ed6ace5 | 350 | tree *vec = XNEWVEC (tree, len); |
2f51bb1d MA |
351 | int i; |
352 | tree decl; | |
353 | ||
354 | /* Process the decls in reverse order--earliest first. | |
355 | Put them into VEC from back to front, then take out from front. */ | |
356 | ||
357 | for (i = 0, decl = globals; i < len; i++, decl = TREE_CHAIN (decl)) | |
358 | vec[len - i - 1] = decl; | |
359 | ||
360 | wrapup_global_declarations (vec, len); | |
2f51bb1d | 361 | check_global_declarations (vec, len); |
db5f8b93 | 362 | emit_debug_global_declarations (vec, len); |
2f51bb1d | 363 | |
db5f8b93 | 364 | /* Clean up. */ |
2f51bb1d MA |
365 | free (vec); |
366 | } | |
26e0dcb3 | 367 | |
21ecc5a7 GDR |
368 | /* Called to perform language-specific initialization of CTX. */ |
369 | void | |
370 | lhd_initialize_diagnostics (struct diagnostic_context *ctx ATTRIBUTE_UNUSED) | |
371 | { | |
372 | } | |
373 | ||
dba65e79 GDR |
374 | /* The default function to print out name of current function that caused |
375 | an error. */ | |
376 | void | |
c94ed7a1 JJ |
377 | lhd_print_error_function (diagnostic_context *context, const char *file, |
378 | diagnostic_info *diagnostic) | |
dba65e79 | 379 | { |
c94ed7a1 | 380 | if (diagnostic_last_function_changed (context, diagnostic)) |
dba65e79 GDR |
381 | { |
382 | const char *old_prefix = context->printer->prefix; | |
c94ed7a1 JJ |
383 | tree abstract_origin = diagnostic->abstract_origin; |
384 | char *new_prefix = (file && abstract_origin == NULL) | |
385 | ? file_name_as_prefix (file) : NULL; | |
dba65e79 GDR |
386 | |
387 | pp_set_prefix (context->printer, new_prefix); | |
388 | ||
389 | if (current_function_decl == NULL) | |
971801ff | 390 | pp_printf (context->printer, _("At top level:")); |
dba65e79 GDR |
391 | else |
392 | { | |
c94ed7a1 JJ |
393 | tree fndecl, ao; |
394 | ||
395 | if (abstract_origin) | |
396 | { | |
397 | ao = BLOCK_ABSTRACT_ORIGIN (abstract_origin); | |
f4c91e0d RG |
398 | while (TREE_CODE (ao) == BLOCK |
399 | && BLOCK_ABSTRACT_ORIGIN (ao) | |
400 | && BLOCK_ABSTRACT_ORIGIN (ao) != ao) | |
c94ed7a1 JJ |
401 | ao = BLOCK_ABSTRACT_ORIGIN (ao); |
402 | gcc_assert (TREE_CODE (ao) == FUNCTION_DECL); | |
403 | fndecl = ao; | |
404 | } | |
405 | else | |
406 | fndecl = current_function_decl; | |
407 | ||
408 | if (TREE_CODE (TREE_TYPE (fndecl)) == METHOD_TYPE) | |
dba65e79 | 409 | pp_printf |
c94ed7a1 JJ |
410 | (context->printer, _("In member function %qs"), |
411 | lang_hooks.decl_printable_name (fndecl, 2)); | |
dba65e79 GDR |
412 | else |
413 | pp_printf | |
c94ed7a1 JJ |
414 | (context->printer, _("In function %qs"), |
415 | lang_hooks.decl_printable_name (fndecl, 2)); | |
416 | ||
417 | while (abstract_origin) | |
418 | { | |
419 | location_t *locus; | |
420 | tree block = abstract_origin; | |
421 | ||
422 | locus = &BLOCK_SOURCE_LOCATION (block); | |
423 | fndecl = NULL; | |
424 | block = BLOCK_SUPERCONTEXT (block); | |
425 | while (block && TREE_CODE (block) == BLOCK | |
426 | && BLOCK_ABSTRACT_ORIGIN (block)) | |
427 | { | |
428 | ao = BLOCK_ABSTRACT_ORIGIN (block); | |
429 | ||
f4c91e0d RG |
430 | while (TREE_CODE (ao) == BLOCK |
431 | && BLOCK_ABSTRACT_ORIGIN (ao) | |
432 | && BLOCK_ABSTRACT_ORIGIN (ao) != ao) | |
c94ed7a1 JJ |
433 | ao = BLOCK_ABSTRACT_ORIGIN (ao); |
434 | ||
435 | if (TREE_CODE (ao) == FUNCTION_DECL) | |
436 | { | |
437 | fndecl = ao; | |
438 | break; | |
439 | } | |
440 | else if (TREE_CODE (ao) != BLOCK) | |
441 | break; | |
442 | ||
443 | block = BLOCK_SUPERCONTEXT (block); | |
444 | } | |
445 | if (fndecl) | |
446 | abstract_origin = block; | |
447 | else | |
448 | { | |
449 | while (block && TREE_CODE (block) == BLOCK) | |
450 | block = BLOCK_SUPERCONTEXT (block); | |
451 | ||
452 | if (TREE_CODE (block) == FUNCTION_DECL) | |
453 | fndecl = block; | |
454 | abstract_origin = NULL; | |
455 | } | |
456 | if (fndecl) | |
457 | { | |
458 | expanded_location s = expand_location (*locus); | |
459 | pp_character (context->printer, ','); | |
460 | pp_newline (context->printer); | |
461 | if (s.file != NULL) | |
462 | { | |
c94ed7a1 JJ |
463 | if (flag_show_column && s.column != 0) |
464 | pp_printf (context->printer, | |
465 | _(" inlined from %qs at %s:%d:%d"), | |
466 | lang_hooks.decl_printable_name (fndecl, 2), | |
467 | s.file, s.line, s.column); | |
468 | else | |
c94ed7a1 JJ |
469 | pp_printf (context->printer, |
470 | _(" inlined from %qs at %s:%d"), | |
471 | lang_hooks.decl_printable_name (fndecl, 2), | |
472 | s.file, s.line); | |
473 | ||
474 | } | |
475 | else | |
476 | pp_printf (context->printer, _(" inlined from %qs"), | |
477 | lang_hooks.decl_printable_name (fndecl, 2)); | |
478 | } | |
479 | } | |
480 | pp_character (context->printer, ':'); | |
dba65e79 | 481 | } |
dba65e79 | 482 | |
c94ed7a1 | 483 | diagnostic_set_last_function (context, diagnostic); |
dba65e79 GDR |
484 | pp_flush (context->printer); |
485 | context->printer->prefix = old_prefix; | |
486 | free ((char*) new_prefix); | |
487 | } | |
488 | } | |
489 | ||
25c84396 RH |
490 | tree |
491 | lhd_callgraph_analyze_expr (tree *tp ATTRIBUTE_UNUSED, | |
c4e622b6 | 492 | int *walk_subtrees ATTRIBUTE_UNUSED) |
25c84396 RH |
493 | { |
494 | return NULL; | |
495 | } | |
496 | ||
b9dcdee4 JH |
497 | tree |
498 | lhd_make_node (enum tree_code code) | |
499 | { | |
500 | return make_node (code); | |
501 | } | |
c5ff069d ZW |
502 | |
503 | HOST_WIDE_INT | |
504 | lhd_to_target_charset (HOST_WIDE_INT c) | |
505 | { | |
506 | return c; | |
507 | } | |
73f397d4 JM |
508 | |
509 | tree | |
51eed280 | 510 | lhd_expr_to_decl (tree expr, bool *tc ATTRIBUTE_UNUSED, bool *se ATTRIBUTE_UNUSED) |
73f397d4 JM |
511 | { |
512 | return expr; | |
513 | } | |
953ff289 DN |
514 | |
515 | /* Return sharing kind if OpenMP sharing attribute of DECL is | |
516 | predetermined, OMP_CLAUSE_DEFAULT_UNSPECIFIED otherwise. */ | |
517 | ||
518 | enum omp_clause_default_kind | |
519 | lhd_omp_predetermined_sharing (tree decl ATTRIBUTE_UNUSED) | |
520 | { | |
521 | if (DECL_ARTIFICIAL (decl)) | |
522 | return OMP_CLAUSE_DEFAULT_SHARED; | |
523 | return OMP_CLAUSE_DEFAULT_UNSPECIFIED; | |
524 | } | |
525 | ||
526 | /* Generate code to copy SRC to DST. */ | |
527 | ||
528 | tree | |
529 | lhd_omp_assignment (tree clause ATTRIBUTE_UNUSED, tree dst, tree src) | |
530 | { | |
726a989a | 531 | return build2 (MODIFY_EXPR, TREE_TYPE (dst), dst, src); |
953ff289 DN |
532 | } |
533 | ||
534 | /* Register language specific type size variables as potentially OpenMP | |
535 | firstprivate variables. */ | |
536 | ||
537 | void | |
538 | lhd_omp_firstprivatize_type_sizes (struct gimplify_omp_ctx *c ATTRIBUTE_UNUSED, | |
539 | tree t ATTRIBUTE_UNUSED) | |
540 | { | |
541 | } | |
c79efc4d RÁE |
542 | |
543 | tree | |
544 | add_builtin_function (const char *name, | |
545 | tree type, | |
546 | int function_code, | |
547 | enum built_in_class cl, | |
548 | const char *library_name, | |
549 | tree attrs) | |
550 | { | |
551 | tree id = get_identifier (name); | |
552 | tree decl = build_decl (FUNCTION_DECL, id, type); | |
553 | ||
554 | TREE_PUBLIC (decl) = 1; | |
555 | DECL_EXTERNAL (decl) = 1; | |
556 | DECL_BUILT_IN_CLASS (decl) = cl; | |
c536a6a7 RG |
557 | |
558 | DECL_FUNCTION_CODE (decl) = -1; | |
559 | gcc_assert (DECL_FUNCTION_CODE (decl) >= function_code); | |
c79efc4d RÁE |
560 | DECL_FUNCTION_CODE (decl) = function_code; |
561 | ||
428aba16 RS |
562 | if (library_name) |
563 | { | |
564 | tree libname = get_identifier (library_name); | |
565 | SET_DECL_ASSEMBLER_NAME (decl, libname); | |
566 | } | |
c79efc4d RÁE |
567 | |
568 | /* Possibly apply some default attributes to this built-in function. */ | |
569 | if (attrs) | |
570 | decl_attributes (&decl, attrs, ATTR_FLAG_BUILT_IN); | |
571 | else | |
572 | decl_attributes (&decl, NULL_TREE, 0); | |
573 | ||
574 | return lang_hooks.builtin_function (decl); | |
575 | ||
576 | } | |
577 | ||
578 | tree | |
579 | lhd_builtin_function (tree decl) | |
580 | { | |
581 | lang_hooks.decls.pushdecl (decl); | |
582 | return decl; | |
583 | } |