1 /* This file contains the definitions and documentation for the
2 builtins used in the GNU compiler.
3 Copyright (C) 2000, 2001 Free Software Foundation, Inc.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING. If not, write to the Free
19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
22 /* Before including this file, you should define a macro:
24 DEF_BUILTIN (ENUM, NAME, CLASS, TYPE, LIBTYPE, BOTH_P,
25 FALLBACK_P, NONANSI_P, ATTRS, IMPLICIT)
27 This macro will be called once for each builtin function. The
28 ENUM will be of type `enum built_in_function', and will indicate
29 which builtin function is being processed. The NAME of the builtin
30 function (which will always start with `__builtin_') is a string
31 literal. The CLASS is of type `enum built_in_class' and indicates
32 what kind of builtin is being processed.
34 Some builtins are actually two separate functions. For example,
35 for `strcmp' there are two builtin functions; `__builtin_strcmp'
36 and `strcmp' itself. Both behave identically. Other builtins
37 define only the `__builtin' variant. If BOTH_P is TRUE, then this
38 builtin has both variants; otherwise, it is has only the first
41 TYPE indicates the type of the function. The symbols correspond to
42 enumerals from builtin-types.def. If BOTH_P is true, then LIBTYPE
43 is the type of the non-`__builtin_' variant. Otherwise, LIBTYPE
46 If FALLBACK_P is true then, if for some reason, the compiler cannot
47 expand the builtin function directly, it will call the
48 corresponding library function (which does not have the
51 If NONANSI_P is true, then the non-`__builtin_' variant is not an
52 ANSI/ISO library function, and so we should pretend it does not
53 exist when compiling in ANSI conformant mode.
55 ATTRs is an attribute list as defined in builtin-attrs.def that
56 describes the attributes of this builtin function.
58 IMPLICIT specifies condition when the builtin can be produced by
59 compiler. For instance C90 reserves floorf function, but does not
60 define it's meaning. When user uses floorf we may assume that the
61 floorf has the meaning we expect, but we can't produce floorf by
62 simplifing floor((double)float) since runtime don't need to implement it. */
64 /* A GCC builtin (like __builtin_saveregs) is provided by the
65 compiler, but does not correspond to a function in the standard
67 #undef DEF_GCC_BUILTIN
68 #define DEF_GCC_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
69 DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, BT_LAST, \
70 false, false, false, ATTRS, true)
73 /* A fallback builtin is a builtin (like __builtin_puts) that falls
74 back to the corresopnding library function if necessary -- but
75 for which we should not introduce the non-`__builtin' variant of
77 #undef DEF_FALLBACK_BUILTIN
78 #define DEF_FALLBACK_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
79 DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
80 false, true, false, ATTRS, true)
82 /* Like DEF_FALLBACK_BUILTIN, except that the function is not one that
83 is specified by ANSI/ISO C. So, when we're being fully conformant
84 we ignore the version of these builtins that does not begin with
86 #undef DEF_EXT_FALLBACK_BUILTIN
87 #define DEF_EXT_FALLBACK_BUILTIN(ENUM, NAME, TYPE) \
88 DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
89 false, true, true, ATTR_NOTHROW_LIST, true)
91 /* A library builtin (like __builtin_strchr) is a builtin equivalent
92 of an ANSI/ISO standard library function. In addition to the
93 `__builtin' version, we will create an ordinary version (e.g,
94 `strchr') as well. If we cannot compute the answer using the
95 builtin function, we will fall back to the standard library
97 #undef DEF_LIB_BUILTIN
98 #define DEF_LIB_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
99 DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
100 true, true, false, ATTRS, true)
102 /* Like DEF_LIB_BUILTIN, except that a call to the builtin should
103 never fall back to the library version. */
104 #undef DEF_LIB_ALWAYS_BUILTIN
105 #define DEF_LIB_ALWAYS_BUILTIN(ENUM, NAME, TYPE) \
106 DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
107 true, false, true, ATTR_CONST_NOTHROW_LIST, true)
109 /* Like DEF_LIB_BUILTIN, except that the function is not one that is
110 specified by ANSI/ISO C. So, when we're being fully conformant we
111 ignore the version of these builtins that does not begin with
113 #undef DEF_EXT_LIB_BUILTIN
114 #define DEF_EXT_LIB_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
115 DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
116 true, true, true, ATTRS, false)
118 /* Like DEF_LIB_BUILTIN, except that the function is only a part of
119 the standard in C99 or above. */
120 #undef DEF_C99_BUILTIN
121 #define DEF_C99_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
122 DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
123 true, true, !flag_isoc99, ATTRS, TARGET_C99_FUNCTIONS)
125 /* Builtin that is specified by C99 and C90 reserve the name for future use.
126 We can still recognize the builtin in C90 mode but we can't produce it
128 #undef DEF_C99_C90RES_BUILTIN
129 #define DEF_C99_C90RES_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
130 DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
131 true, true, !flag_isoc99, ATTRS, TARGET_C99_FUNCTIONS)
133 /* Like DEF_LIB_BUILTIN, except that the function is expanded in the
135 #undef DEF_FRONT_END_LIB_BUILTIN
136 #define DEF_FRONT_END_LIB_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
137 DEF_BUILTIN (ENUM, NAME, BUILT_IN_FRONTEND, TYPE, TYPE, \
138 true, true, false, ATTRS, true)
140 /* Like DEF_FRONT_END_LIB_BUILTIN, except that the function is not one
141 that is specified by ANSI/ISO C. So, when we're being fully
142 conformant we ignore the version of these builtins that does not
143 begin with __builtin. */
144 #undef DEF_EXT_FRONT_END_LIB_BUILTIN
145 #define DEF_EXT_FRONT_END_LIB_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
146 DEF_BUILTIN (ENUM, NAME, BUILT_IN_FRONTEND, TYPE, TYPE, \
147 true, true, true, ATTRS, true)
149 /* A built-in that is not currently used. */
150 #undef DEF_UNUSED_BUILTIN
151 #define DEF_UNUSED_BUILTIN(X) \
152 DEF_BUILTIN (X, (const char *) NULL, NOT_BUILT_IN, BT_LAST, \
153 BT_LAST, false, false, false, ATTR_NOTHROW_LIST, false)
155 /* If SMALL_STACK is defined, then `alloca' is only defined in its
158 DEF_FALLBACK_BUILTIN(BUILT_IN_ALLOCA,
161 ATTR_MALLOC_NOTHROW_LIST)
163 DEF_EXT_LIB_BUILTIN(BUILT_IN_ALLOCA,
166 ATTR_MALLOC_NOTHROW_LIST)
169 DEF_LIB_ALWAYS_BUILTIN(BUILT_IN_ABS,
172 DEF_LIB_ALWAYS_BUILTIN(BUILT_IN_LABS,
176 DEF_LIB_ALWAYS_BUILTIN(BUILT_IN_FABS,
179 DEF_LIB_ALWAYS_BUILTIN(BUILT_IN_FABSF,
182 DEF_LIB_ALWAYS_BUILTIN(BUILT_IN_FABSL,
184 BT_FN_LONG_DOUBLE_LONG_DOUBLE)
186 DEF_LIB_BUILTIN(BUILT_IN_FLOOR,
189 ATTR_CONST_NOTHROW_LIST)
190 DEF_C99_C90RES_BUILTIN(BUILT_IN_FLOORF,
193 ATTR_CONST_NOTHROW_LIST)
194 DEF_C99_C90RES_BUILTIN(BUILT_IN_FLOORL,
196 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
197 ATTR_CONST_NOTHROW_LIST)
199 DEF_LIB_BUILTIN(BUILT_IN_CEIL,
202 ATTR_CONST_NOTHROW_LIST)
203 DEF_C99_C90RES_BUILTIN(BUILT_IN_CEILF,
206 ATTR_CONST_NOTHROW_LIST)
207 DEF_C99_C90RES_BUILTIN(BUILT_IN_CEILL,
209 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
210 ATTR_CONST_NOTHROW_LIST)
212 DEF_C99_BUILTIN(BUILT_IN_ROUND,
215 ATTR_CONST_NOTHROW_LIST)
216 DEF_C99_BUILTIN(BUILT_IN_ROUNDF,
219 ATTR_CONST_NOTHROW_LIST)
220 DEF_C99_BUILTIN(BUILT_IN_ROUNDL,
222 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
223 ATTR_CONST_NOTHROW_LIST)
225 DEF_C99_BUILTIN(BUILT_IN_TRUNC,
228 ATTR_CONST_NOTHROW_LIST)
229 DEF_C99_BUILTIN(BUILT_IN_TRUNCF,
232 ATTR_CONST_NOTHROW_LIST)
233 DEF_C99_BUILTIN(BUILT_IN_TRUNCL,
235 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
236 ATTR_CONST_NOTHROW_LIST)
238 DEF_C99_BUILTIN(BUILT_IN_NEARBYINT,
239 "__builtin_nearbyint",
241 ATTR_CONST_NOTHROW_LIST)
242 DEF_C99_BUILTIN(BUILT_IN_NEARBYINTF,
243 "__builtin_nearbyintf",
245 ATTR_CONST_NOTHROW_LIST)
246 DEF_C99_BUILTIN(BUILT_IN_NEARBYINTL,
247 "__builtin_nearbyintl",
248 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
249 ATTR_CONST_NOTHROW_LIST)
251 DEF_C99_BUILTIN(BUILT_IN_LLABS,
253 BT_FN_LONGLONG_LONGLONG,
254 ATTR_CONST_NOTHROW_LIST)
255 DEF_C99_BUILTIN(BUILT_IN_IMAXABS,
258 ATTR_CONST_NOTHROW_LIST)
259 DEF_C99_BUILTIN(BUILT_IN_CONJ,
261 BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE,
262 ATTR_CONST_NOTHROW_LIST)
263 DEF_C99_BUILTIN(BUILT_IN_CONJF,
265 BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT,
266 ATTR_CONST_NOTHROW_LIST)
267 DEF_C99_BUILTIN(BUILT_IN_CONJL,
269 BT_FN_COMPLEX_LONG_DOUBLE_COMPLEX_LONG_DOUBLE,
270 ATTR_CONST_NOTHROW_LIST)
271 DEF_C99_BUILTIN(BUILT_IN_CREAL,
273 BT_FN_DOUBLE_COMPLEX_DOUBLE,
274 ATTR_CONST_NOTHROW_LIST)
275 DEF_C99_BUILTIN(BUILT_IN_CREALF,
277 BT_FN_FLOAT_COMPLEX_FLOAT,
278 ATTR_CONST_NOTHROW_LIST)
279 DEF_C99_BUILTIN(BUILT_IN_CREALL,
281 BT_FN_LONG_DOUBLE_COMPLEX_LONG_DOUBLE,
282 ATTR_CONST_NOTHROW_LIST)
283 DEF_C99_BUILTIN(BUILT_IN_CIMAG,
285 BT_FN_DOUBLE_COMPLEX_DOUBLE,
286 ATTR_CONST_NOTHROW_LIST)
287 DEF_C99_BUILTIN(BUILT_IN_CIMAGF,
289 BT_FN_FLOAT_COMPLEX_FLOAT,
290 ATTR_CONST_NOTHROW_LIST)
291 DEF_C99_BUILTIN(BUILT_IN_CIMAGL,
293 BT_FN_LONG_DOUBLE_COMPLEX_LONG_DOUBLE,
294 ATTR_CONST_NOTHROW_LIST)
296 DEF_UNUSED_BUILTIN(BUILT_IN_DIV)
297 DEF_UNUSED_BUILTIN(BUILT_IN_LDIV)
298 DEF_UNUSED_BUILTIN(BUILT_IN_FFLOOR)
299 DEF_UNUSED_BUILTIN(BUILT_IN_FCEIL)
300 DEF_UNUSED_BUILTIN(BUILT_IN_FMOD)
301 DEF_UNUSED_BUILTIN(BUILT_IN_FREM)
303 /* The system prototypes for `bzero' and `bcmp' functions have many
304 variations, so don't specify parameters to avoid conflicts. The
305 expand_* functions check the argument types anyway. */
306 DEF_BUILTIN (BUILT_IN_BZERO,
312 ATTR_NOTHROW_LIST, false)
313 DEF_BUILTIN (BUILT_IN_BCMP,
316 BT_FN_INT_CONST_PTR_CONST_PTR_SIZE,
319 ATTR_PURE_NOTHROW_LIST, false)
321 DEF_EXT_LIB_BUILTIN(BUILT_IN_FFS,
324 ATTR_CONST_NOTHROW_LIST)
325 DEF_EXT_LIB_BUILTIN(BUILT_IN_INDEX,
327 BT_FN_STRING_CONST_STRING_INT,
328 ATTR_PURE_NOTHROW_LIST)
329 DEF_EXT_LIB_BUILTIN(BUILT_IN_RINDEX,
331 BT_FN_STRING_CONST_STRING_INT,
332 ATTR_PURE_NOTHROW_LIST)
334 DEF_LIB_BUILTIN(BUILT_IN_MEMCPY,
336 BT_FN_PTR_PTR_CONST_PTR_SIZE,
338 DEF_LIB_BUILTIN(BUILT_IN_MEMCMP,
340 BT_FN_INT_CONST_PTR_CONST_PTR_SIZE,
341 ATTR_PURE_NOTHROW_LIST)
342 DEF_LIB_BUILTIN(BUILT_IN_MEMSET,
344 BT_FN_PTR_PTR_INT_SIZE,
347 DEF_LIB_BUILTIN(BUILT_IN_STRCAT,
349 BT_FN_STRING_STRING_CONST_STRING,
351 DEF_LIB_BUILTIN(BUILT_IN_STRNCAT,
353 BT_FN_STRING_STRING_CONST_STRING_SIZE,
355 DEF_LIB_BUILTIN(BUILT_IN_STRCPY,
357 BT_FN_STRING_STRING_CONST_STRING,
359 DEF_LIB_BUILTIN(BUILT_IN_STRNCPY,
361 BT_FN_STRING_STRING_CONST_STRING_SIZE,
363 DEF_LIB_BUILTIN(BUILT_IN_STRCMP,
365 BT_FN_INT_CONST_STRING_CONST_STRING,
366 ATTR_PURE_NOTHROW_LIST)
367 DEF_LIB_BUILTIN(BUILT_IN_STRNCMP,
369 BT_FN_INT_CONST_STRING_CONST_STRING_SIZE,
370 ATTR_PURE_NOTHROW_LIST)
371 DEF_LIB_BUILTIN(BUILT_IN_STRLEN,
373 BT_FN_SIZE_CONST_STRING,
374 ATTR_PURE_NOTHROW_LIST)
375 DEF_LIB_BUILTIN(BUILT_IN_STRSTR,
377 BT_FN_STRING_CONST_STRING_CONST_STRING,
378 ATTR_PURE_NOTHROW_LIST)
379 DEF_LIB_BUILTIN(BUILT_IN_STRPBRK,
381 BT_FN_STRING_CONST_STRING_CONST_STRING,
382 ATTR_PURE_NOTHROW_LIST)
383 DEF_LIB_BUILTIN(BUILT_IN_STRSPN,
385 BT_FN_SIZE_CONST_STRING_CONST_STRING,
386 ATTR_PURE_NOTHROW_LIST)
387 DEF_LIB_BUILTIN(BUILT_IN_STRCSPN,
389 BT_FN_SIZE_CONST_STRING_CONST_STRING,
390 ATTR_PURE_NOTHROW_LIST)
391 DEF_LIB_BUILTIN(BUILT_IN_STRCHR,
393 BT_FN_STRING_CONST_STRING_INT,
394 ATTR_PURE_NOTHROW_LIST)
395 DEF_LIB_BUILTIN(BUILT_IN_STRRCHR,
397 BT_FN_STRING_CONST_STRING_INT,
398 ATTR_PURE_NOTHROW_LIST)
400 DEF_LIB_BUILTIN(BUILT_IN_SQRT,
403 flag_errno_math ? ATTR_NOTHROW_LIST
404 : (flag_unsafe_math_optimizations
405 ? ATTR_CONST_NOTHROW_LIST
406 : ATTR_PURE_NOTHROW_LIST))
407 DEF_LIB_BUILTIN(BUILT_IN_SIN,
410 flag_unsafe_math_optimizations ? ATTR_CONST_NOTHROW_LIST
411 : ATTR_PURE_NOTHROW_LIST)
412 DEF_LIB_BUILTIN(BUILT_IN_COS,
415 flag_unsafe_math_optimizations ? ATTR_CONST_NOTHROW_LIST
416 : ATTR_PURE_NOTHROW_LIST)
417 DEF_LIB_BUILTIN(BUILT_IN_EXP,
420 flag_errno_math ? ATTR_NOTHROW_LIST
421 : (flag_unsafe_math_optimizations
422 ? ATTR_CONST_NOTHROW_LIST
423 : ATTR_PURE_NOTHROW_LIST))
424 DEF_LIB_BUILTIN(BUILT_IN_LOG,
427 flag_errno_math ? ATTR_NOTHROW_LIST
428 : (flag_unsafe_math_optimizations
429 ? ATTR_CONST_NOTHROW_LIST
430 : ATTR_PURE_NOTHROW_LIST))
431 DEF_C99_C90RES_BUILTIN(BUILT_IN_SQRTF,
434 flag_errno_math ? ATTR_NOTHROW_LIST
435 : (flag_unsafe_math_optimizations
436 ? ATTR_CONST_NOTHROW_LIST
437 : ATTR_PURE_NOTHROW_LIST))
438 DEF_C99_C90RES_BUILTIN(BUILT_IN_SINF,
441 flag_unsafe_math_optimizations ? ATTR_CONST_NOTHROW_LIST
442 : ATTR_PURE_NOTHROW_LIST)
443 DEF_C99_C90RES_BUILTIN(BUILT_IN_COSF,
446 flag_unsafe_math_optimizations ? ATTR_CONST_NOTHROW_LIST
447 : ATTR_PURE_NOTHROW_LIST)
448 DEF_C99_C90RES_BUILTIN(BUILT_IN_EXPF,
451 flag_errno_math ? ATTR_NOTHROW_LIST
452 : (flag_unsafe_math_optimizations
453 ? ATTR_CONST_NOTHROW_LIST
454 : ATTR_PURE_NOTHROW_LIST))
455 DEF_C99_C90RES_BUILTIN(BUILT_IN_LOGF,
458 flag_errno_math ? ATTR_NOTHROW_LIST
459 : (flag_unsafe_math_optimizations
460 ? ATTR_CONST_NOTHROW_LIST
461 : ATTR_PURE_NOTHROW_LIST))
462 DEF_C99_C90RES_BUILTIN(BUILT_IN_SQRTL,
464 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
465 flag_errno_math ? ATTR_NOTHROW_LIST
466 : (flag_unsafe_math_optimizations
467 ? ATTR_CONST_NOTHROW_LIST
468 : ATTR_PURE_NOTHROW_LIST))
469 DEF_C99_C90RES_BUILTIN(BUILT_IN_SINL,
471 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
472 flag_unsafe_math_optimizations ? ATTR_CONST_NOTHROW_LIST
473 : ATTR_PURE_NOTHROW_LIST)
474 DEF_C99_C90RES_BUILTIN(BUILT_IN_COSL,
476 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
477 flag_unsafe_math_optimizations ? ATTR_CONST_NOTHROW_LIST
478 : ATTR_PURE_NOTHROW_LIST)
479 DEF_C99_C90RES_BUILTIN(BUILT_IN_EXPL,
481 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
482 flag_errno_math ? ATTR_NOTHROW_LIST
483 : (flag_unsafe_math_optimizations
484 ? ATTR_CONST_NOTHROW_LIST
485 : ATTR_PURE_NOTHROW_LIST))
486 DEF_C99_C90RES_BUILTIN(BUILT_IN_LOGL,
488 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
489 flag_errno_math ? ATTR_NOTHROW_LIST
490 : (flag_unsafe_math_optimizations
491 ? ATTR_CONST_NOTHROW_LIST
492 : ATTR_PURE_NOTHROW_LIST))
494 DEF_GCC_BUILTIN(BUILT_IN_INF,
497 ATTR_CONST_NOTHROW_LIST)
498 DEF_GCC_BUILTIN(BUILT_IN_INFF,
501 ATTR_CONST_NOTHROW_LIST)
502 DEF_GCC_BUILTIN(BUILT_IN_INFL,
505 ATTR_CONST_NOTHROW_LIST)
507 DEF_GCC_BUILTIN(BUILT_IN_HUGE_VAL,
508 "__builtin_huge_val",
510 ATTR_CONST_NOTHROW_LIST)
511 DEF_GCC_BUILTIN(BUILT_IN_HUGE_VALF,
512 "__builtin_huge_valf",
514 ATTR_CONST_NOTHROW_LIST)
515 DEF_GCC_BUILTIN(BUILT_IN_HUGE_VALL,
516 "__builtin_huge_vall",
518 ATTR_CONST_NOTHROW_LIST)
520 DEF_LIB_BUILTIN(BUILT_IN_NAN,
522 BT_FN_DOUBLE_CONST_STRING,
523 ATTR_CONST_NOTHROW_LIST)
524 DEF_LIB_BUILTIN(BUILT_IN_NANF,
526 BT_FN_FLOAT_CONST_STRING,
527 ATTR_CONST_NOTHROW_LIST)
528 DEF_LIB_BUILTIN(BUILT_IN_NANL,
530 BT_FN_LONG_DOUBLE_CONST_STRING,
531 ATTR_CONST_NOTHROW_LIST)
533 DEF_LIB_BUILTIN(BUILT_IN_NANS,
535 BT_FN_DOUBLE_CONST_STRING,
536 ATTR_CONST_NOTHROW_LIST)
537 DEF_LIB_BUILTIN(BUILT_IN_NANSF,
539 BT_FN_FLOAT_CONST_STRING,
540 ATTR_CONST_NOTHROW_LIST)
541 DEF_LIB_BUILTIN(BUILT_IN_NANSL,
543 BT_FN_LONG_DOUBLE_CONST_STRING,
544 ATTR_CONST_NOTHROW_LIST)
546 DEF_GCC_BUILTIN(BUILT_IN_SAVEREGS,
547 "__builtin_saveregs",
550 DEF_GCC_BUILTIN(BUILT_IN_CLASSIFY_TYPE,
551 "__builtin_classify_type",
554 DEF_GCC_BUILTIN(BUILT_IN_NEXT_ARG,
555 "__builtin_next_arg",
558 DEF_GCC_BUILTIN(BUILT_IN_ARGS_INFO,
559 "__builtin_args_info",
562 DEF_GCC_BUILTIN(BUILT_IN_CONSTANT_P,
563 "__builtin_constant_p",
566 DEF_GCC_BUILTIN(BUILT_IN_FRAME_ADDRESS,
567 "__builtin_frame_address",
570 DEF_GCC_BUILTIN(BUILT_IN_RETURN_ADDRESS,
571 "__builtin_return_address",
574 DEF_GCC_BUILTIN(BUILT_IN_AGGREGATE_INCOMING_ADDRESS,
575 "__builtin_aggregate_incoming_address",
578 DEF_GCC_BUILTIN(BUILT_IN_APPLY_ARGS,
579 "__builtin_apply_args",
582 DEF_GCC_BUILTIN(BUILT_IN_APPLY,
584 BT_FN_PTR_PTR_FN_VOID_VAR_PTR_SIZE,
586 DEF_GCC_BUILTIN(BUILT_IN_RETURN,
589 ATTR_NORETURN_NOTHROW_LIST)
590 DEF_GCC_BUILTIN(BUILT_IN_SETJMP,
594 DEF_GCC_BUILTIN(BUILT_IN_LONGJMP,
597 ATTR_NORETURN_NOTHROW_LIST)
598 DEF_GCC_BUILTIN(BUILT_IN_TRAP,
601 ATTR_NORETURN_NOTHROW_LIST)
602 DEF_GCC_BUILTIN(BUILT_IN_PREFETCH,
603 "__builtin_prefetch",
604 BT_FN_VOID_CONST_PTR_VAR,
607 /* Stdio builtins. */
608 DEF_FALLBACK_BUILTIN(BUILT_IN_PUTCHAR,
612 DEF_FALLBACK_BUILTIN(BUILT_IN_PUTS,
614 BT_FN_INT_CONST_STRING,
616 DEF_FRONT_END_LIB_BUILTIN(BUILT_IN_PRINTF,
618 BT_FN_INT_CONST_STRING_VAR,
619 ATTR_FORMAT_PRINTF_1_2)
620 DEF_FALLBACK_BUILTIN(BUILT_IN_FPUTC,
624 /* Declare the __builtin_ style with arguments and the regular style
625 without them. We rely on stdio.h to supply the arguments for the
626 regular style declaration since we had to use void* instead of
627 FILE* in the __builtin_ prototype supplied here. */
628 DEF_BUILTIN (BUILT_IN_FPUTS,
631 BT_FN_INT_CONST_STRING_PTR,
633 true, true, false, ATTR_NOTHROW_LIST, true)
634 DEF_FALLBACK_BUILTIN(BUILT_IN_FWRITE,
636 BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR,
638 DEF_FRONT_END_LIB_BUILTIN(BUILT_IN_FPRINTF,
640 BT_FN_INT_PTR_CONST_STRING_VAR,
641 ATTR_FORMAT_PRINTF_2_3)
643 /* Stdio unlocked builtins. */
645 DEF_EXT_FALLBACK_BUILTIN(BUILT_IN_PUTCHAR_UNLOCKED,
646 "__builtin_putchar_unlocked",
648 DEF_EXT_FALLBACK_BUILTIN(BUILT_IN_PUTS_UNLOCKED,
649 "__builtin_puts_unlocked",
650 BT_FN_INT_CONST_STRING)
651 DEF_EXT_FRONT_END_LIB_BUILTIN(BUILT_IN_PRINTF_UNLOCKED,
652 "__builtin_printf_unlocked",
653 BT_FN_INT_CONST_STRING_VAR,
654 ATTR_FORMAT_PRINTF_1_2)
655 DEF_EXT_FALLBACK_BUILTIN(BUILT_IN_FPUTC_UNLOCKED,
656 "__builtin_fputc_unlocked",
658 /* Declare the __builtin_ style with arguments and the regular style
659 without them. We rely on stdio.h to supply the arguments for the
660 regular style declaration since we had to use void* instead of
661 FILE* in the __builtin_ prototype supplied here. */
662 DEF_BUILTIN (BUILT_IN_FPUTS_UNLOCKED,
663 "__builtin_fputs_unlocked",
665 BT_FN_INT_CONST_STRING_PTR,
667 true, true, true, ATTR_NOTHROW_LIST, true)
668 DEF_EXT_FALLBACK_BUILTIN(BUILT_IN_FWRITE_UNLOCKED,
669 "__builtin_fwrite_unlocked",
670 BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR)
671 DEF_EXT_FRONT_END_LIB_BUILTIN(BUILT_IN_FPRINTF_UNLOCKED,
672 "__builtin_fprintf_unlocked",
673 BT_FN_INT_PTR_CONST_STRING_VAR,
674 ATTR_FORMAT_PRINTF_2_3)
676 /* ISO C99 floating point unordered comparisons. */
677 DEF_GCC_BUILTIN(BUILT_IN_ISGREATER,
678 "__builtin_isgreater",
680 ATTR_CONST_NOTHROW_LIST)
681 DEF_GCC_BUILTIN(BUILT_IN_ISGREATEREQUAL,
682 "__builtin_isgreaterequal",
684 ATTR_CONST_NOTHROW_LIST)
685 DEF_GCC_BUILTIN(BUILT_IN_ISLESS,
688 ATTR_CONST_NOTHROW_LIST)
689 DEF_GCC_BUILTIN(BUILT_IN_ISLESSEQUAL,
690 "__builtin_islessequal",
692 ATTR_CONST_NOTHROW_LIST)
693 DEF_GCC_BUILTIN(BUILT_IN_ISLESSGREATER,
694 "__builtin_islessgreater",
696 ATTR_CONST_NOTHROW_LIST)
697 DEF_GCC_BUILTIN(BUILT_IN_ISUNORDERED,
698 "__builtin_isunordered",
700 ATTR_CONST_NOTHROW_LIST)
702 /* Various hooks for the DWARF 2 __throw routine. */
703 DEF_GCC_BUILTIN(BUILT_IN_UNWIND_INIT,
704 "__builtin_unwind_init",
707 DEF_GCC_BUILTIN(BUILT_IN_DWARF_CFA,
708 "__builtin_dwarf_cfa",
711 DEF_GCC_BUILTIN(BUILT_IN_DWARF_FP_REGNUM,
712 "__builtin_dwarf_fp_regnum",
715 DEF_GCC_BUILTIN(BUILT_IN_INIT_DWARF_REG_SIZES,
716 "__builtin_init_dwarf_reg_size_table",
719 DEF_GCC_BUILTIN(BUILT_IN_FROB_RETURN_ADDR,
720 "__builtin_frob_return_addr",
723 DEF_GCC_BUILTIN(BUILT_IN_EXTRACT_RETURN_ADDR,
724 "__builtin_extract_return_addr",
727 DEF_GCC_BUILTIN(BUILT_IN_EH_RETURN,
728 "__builtin_eh_return",
729 BT_FN_VOID_PTRMODE_PTR,
730 ATTR_NORETURN_NOTHROW_LIST)
731 DEF_GCC_BUILTIN(BUILT_IN_EH_RETURN_DATA_REGNO,
732 "__builtin_eh_return_data_regno",
736 /* Variable argument list (stdarg.h) support */
737 DEF_GCC_BUILTIN(BUILT_IN_VA_START,
738 "__builtin_va_start",
739 BT_FN_VOID_VALIST_REF_VAR,
741 DEF_GCC_BUILTIN(BUILT_IN_STDARG_START, /* backward compat */
742 "__builtin_stdarg_start",
743 BT_FN_VOID_VALIST_REF_VAR,
745 DEF_GCC_BUILTIN(BUILT_IN_VA_END,
747 BT_FN_VOID_VALIST_REF,
749 DEF_GCC_BUILTIN(BUILT_IN_VA_COPY,
751 BT_FN_VOID_VALIST_REF_VALIST_ARG,
754 DEF_GCC_BUILTIN(BUILT_IN_EXPECT,
756 BT_FN_LONG_LONG_LONG,
760 DEF_UNUSED_BUILTIN(BUILT_IN_NEW)
761 DEF_UNUSED_BUILTIN(BUILT_IN_VEC_NEW)
762 DEF_UNUSED_BUILTIN(BUILT_IN_DELETE)
763 DEF_UNUSED_BUILTIN(BUILT_IN_VEC_DELETE)
765 /* Declare abort, exit, _exit and _Exit */
766 DEF_BUILTIN (BUILT_IN_ABORT,
772 ATTR_NORETURN_NOTHROW_LIST, true)
774 DEF_BUILTIN (BUILT_IN_EXIT,
780 ATTR_NORETURN_NOTHROW_LIST, true)
782 DEF_BUILTIN (BUILT_IN__EXIT,
788 ATTR_NORETURN_NOTHROW_LIST, false)
790 DEF_BUILTIN (BUILT_IN__EXIT2,
796 ATTR_NORETURN_NOTHROW_LIST, false)