1 /* This file contains the definitions and documentation for the
2 builtins used in the GNU compiler.
3 Copyright (C) 2000, 2001, 2002, 2003 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 the function is not one that is
103 specified by ANSI/ISO C. So, when we're being fully conformant we
104 ignore the version of these builtins that does not begin with
106 #undef DEF_EXT_LIB_BUILTIN
107 #define DEF_EXT_LIB_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
108 DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
109 true, true, true, ATTRS, false)
111 /* Like DEF_LIB_BUILTIN, except that the function is only a part of
112 the standard in C99 or above. */
113 #undef DEF_C99_BUILTIN
114 #define DEF_C99_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
115 DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
116 true, true, !flag_isoc99, ATTRS, TARGET_C99_FUNCTIONS)
118 /* Builtin that is specified by C99 and C90 reserve the name for future use.
119 We can still recognize the builtin in C90 mode but we can't produce it
121 #undef DEF_C99_C90RES_BUILTIN
122 #define DEF_C99_C90RES_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
123 DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
124 true, true, !flag_isoc99, ATTRS, TARGET_C99_FUNCTIONS)
126 /* Like DEF_LIB_BUILTIN, except that the function is expanded in the
128 #undef DEF_FRONT_END_LIB_BUILTIN
129 #define DEF_FRONT_END_LIB_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
130 DEF_BUILTIN (ENUM, NAME, BUILT_IN_FRONTEND, TYPE, TYPE, \
131 true, true, false, ATTRS, true)
133 /* Like DEF_FRONT_END_LIB_BUILTIN, except that the function is not one
134 that is specified by ANSI/ISO C. So, when we're being fully
135 conformant we ignore the version of these builtins that does not
136 begin with __builtin. */
137 #undef DEF_EXT_FRONT_END_LIB_BUILTIN
138 #define DEF_EXT_FRONT_END_LIB_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
139 DEF_BUILTIN (ENUM, NAME, BUILT_IN_FRONTEND, TYPE, TYPE, \
140 true, true, true, ATTRS, true)
142 /* If SMALL_STACK is defined, then `alloca' is only defined in its
145 DEF_FALLBACK_BUILTIN(BUILT_IN_ALLOCA,
148 ATTR_MALLOC_NOTHROW_LIST)
150 DEF_EXT_LIB_BUILTIN(BUILT_IN_ALLOCA,
153 ATTR_MALLOC_NOTHROW_LIST)
156 DEF_LIB_BUILTIN(BUILT_IN_ABS,
159 ATTR_CONST_NOTHROW_LIST)
160 DEF_LIB_BUILTIN(BUILT_IN_LABS,
163 ATTR_CONST_NOTHROW_LIST)
165 DEF_LIB_BUILTIN(BUILT_IN_FABS,
168 ATTR_CONST_NOTHROW_LIST)
169 DEF_C99_C90RES_BUILTIN(BUILT_IN_FABSF,
172 ATTR_CONST_NOTHROW_LIST)
173 DEF_C99_C90RES_BUILTIN(BUILT_IN_FABSL,
175 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
176 ATTR_CONST_NOTHROW_LIST)
178 DEF_LIB_BUILTIN(BUILT_IN_FLOOR,
181 ATTR_CONST_NOTHROW_LIST)
182 DEF_C99_C90RES_BUILTIN(BUILT_IN_FLOORF,
185 ATTR_CONST_NOTHROW_LIST)
186 DEF_C99_C90RES_BUILTIN(BUILT_IN_FLOORL,
188 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
189 ATTR_CONST_NOTHROW_LIST)
191 DEF_LIB_BUILTIN(BUILT_IN_CEIL,
194 ATTR_CONST_NOTHROW_LIST)
195 DEF_C99_C90RES_BUILTIN(BUILT_IN_CEILF,
198 ATTR_CONST_NOTHROW_LIST)
199 DEF_C99_C90RES_BUILTIN(BUILT_IN_CEILL,
201 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
202 ATTR_CONST_NOTHROW_LIST)
204 DEF_C99_BUILTIN(BUILT_IN_ROUND,
207 ATTR_CONST_NOTHROW_LIST)
208 DEF_C99_BUILTIN(BUILT_IN_ROUNDF,
211 ATTR_CONST_NOTHROW_LIST)
212 DEF_C99_BUILTIN(BUILT_IN_ROUNDL,
214 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
215 ATTR_CONST_NOTHROW_LIST)
217 DEF_C99_BUILTIN(BUILT_IN_TRUNC,
220 ATTR_CONST_NOTHROW_LIST)
221 DEF_C99_BUILTIN(BUILT_IN_TRUNCF,
224 ATTR_CONST_NOTHROW_LIST)
225 DEF_C99_BUILTIN(BUILT_IN_TRUNCL,
227 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
228 ATTR_CONST_NOTHROW_LIST)
230 DEF_C99_BUILTIN(BUILT_IN_NEARBYINT,
231 "__builtin_nearbyint",
233 ATTR_CONST_NOTHROW_LIST)
234 DEF_C99_BUILTIN(BUILT_IN_NEARBYINTF,
235 "__builtin_nearbyintf",
237 ATTR_CONST_NOTHROW_LIST)
238 DEF_C99_BUILTIN(BUILT_IN_NEARBYINTL,
239 "__builtin_nearbyintl",
240 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
241 ATTR_CONST_NOTHROW_LIST)
243 DEF_C99_BUILTIN(BUILT_IN_LLABS,
245 BT_FN_LONGLONG_LONGLONG,
246 ATTR_CONST_NOTHROW_LIST)
247 DEF_C99_BUILTIN(BUILT_IN_IMAXABS,
250 ATTR_CONST_NOTHROW_LIST)
251 DEF_C99_BUILTIN(BUILT_IN_CONJ,
253 BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE,
254 ATTR_CONST_NOTHROW_LIST)
255 DEF_C99_BUILTIN(BUILT_IN_CONJF,
257 BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT,
258 ATTR_CONST_NOTHROW_LIST)
259 DEF_C99_BUILTIN(BUILT_IN_CONJL,
261 BT_FN_COMPLEX_LONG_DOUBLE_COMPLEX_LONG_DOUBLE,
262 ATTR_CONST_NOTHROW_LIST)
263 DEF_C99_BUILTIN(BUILT_IN_CREAL,
265 BT_FN_DOUBLE_COMPLEX_DOUBLE,
266 ATTR_CONST_NOTHROW_LIST)
267 DEF_C99_BUILTIN(BUILT_IN_CREALF,
269 BT_FN_FLOAT_COMPLEX_FLOAT,
270 ATTR_CONST_NOTHROW_LIST)
271 DEF_C99_BUILTIN(BUILT_IN_CREALL,
273 BT_FN_LONG_DOUBLE_COMPLEX_LONG_DOUBLE,
274 ATTR_CONST_NOTHROW_LIST)
275 DEF_C99_BUILTIN(BUILT_IN_CIMAG,
277 BT_FN_DOUBLE_COMPLEX_DOUBLE,
278 ATTR_CONST_NOTHROW_LIST)
279 DEF_C99_BUILTIN(BUILT_IN_CIMAGF,
281 BT_FN_FLOAT_COMPLEX_FLOAT,
282 ATTR_CONST_NOTHROW_LIST)
283 DEF_C99_BUILTIN(BUILT_IN_CIMAGL,
285 BT_FN_LONG_DOUBLE_COMPLEX_LONG_DOUBLE,
286 ATTR_CONST_NOTHROW_LIST)
288 /* The system prototypes for `bzero' and `bcmp' functions have many
289 variations, so don't specify parameters to avoid conflicts. The
290 expand_* functions check the argument types anyway. */
291 DEF_BUILTIN (BUILT_IN_BZERO,
297 ATTR_NOTHROW_LIST, false)
298 DEF_BUILTIN (BUILT_IN_BCMP,
301 BT_FN_INT_CONST_PTR_CONST_PTR_SIZE,
304 ATTR_PURE_NOTHROW_LIST, false)
306 DEF_EXT_LIB_BUILTIN(BUILT_IN_FFS,
309 ATTR_CONST_NOTHROW_LIST)
310 DEF_GCC_BUILTIN(BUILT_IN_CLZ,
313 ATTR_CONST_NOTHROW_LIST)
314 DEF_GCC_BUILTIN(BUILT_IN_CTZ,
317 ATTR_CONST_NOTHROW_LIST)
318 DEF_GCC_BUILTIN(BUILT_IN_POPCOUNT,
319 "__builtin_popcount",
321 ATTR_CONST_NOTHROW_LIST)
322 DEF_GCC_BUILTIN(BUILT_IN_PARITY,
325 ATTR_CONST_NOTHROW_LIST)
327 DEF_GCC_BUILTIN(BUILT_IN_FFSL,
330 ATTR_CONST_NOTHROW_LIST)
331 DEF_GCC_BUILTIN(BUILT_IN_CLZL,
334 ATTR_CONST_NOTHROW_LIST)
335 DEF_GCC_BUILTIN(BUILT_IN_CTZL,
338 ATTR_CONST_NOTHROW_LIST)
339 DEF_GCC_BUILTIN(BUILT_IN_POPCOUNTL,
340 "__builtin_popcountl",
342 ATTR_CONST_NOTHROW_LIST)
343 DEF_GCC_BUILTIN(BUILT_IN_PARITYL,
346 ATTR_CONST_NOTHROW_LIST)
348 DEF_EXT_LIB_BUILTIN(BUILT_IN_FFSLL,
351 ATTR_CONST_NOTHROW_LIST)
352 DEF_GCC_BUILTIN(BUILT_IN_CLZLL,
355 ATTR_CONST_NOTHROW_LIST)
356 DEF_GCC_BUILTIN(BUILT_IN_CTZLL,
359 ATTR_CONST_NOTHROW_LIST)
360 DEF_GCC_BUILTIN(BUILT_IN_POPCOUNTLL,
361 "__builtin_popcountll",
363 ATTR_CONST_NOTHROW_LIST)
364 DEF_GCC_BUILTIN(BUILT_IN_PARITYLL,
365 "__builtin_parityll",
367 ATTR_CONST_NOTHROW_LIST)
369 DEF_EXT_LIB_BUILTIN(BUILT_IN_INDEX,
371 BT_FN_STRING_CONST_STRING_INT,
372 ATTR_PURE_NOTHROW_LIST)
373 DEF_EXT_LIB_BUILTIN(BUILT_IN_RINDEX,
375 BT_FN_STRING_CONST_STRING_INT,
376 ATTR_PURE_NOTHROW_LIST)
378 DEF_LIB_BUILTIN(BUILT_IN_MEMCPY,
380 BT_FN_PTR_PTR_CONST_PTR_SIZE,
382 DEF_LIB_BUILTIN(BUILT_IN_MEMCMP,
384 BT_FN_INT_CONST_PTR_CONST_PTR_SIZE,
385 ATTR_PURE_NOTHROW_LIST)
386 DEF_LIB_BUILTIN(BUILT_IN_MEMSET,
388 BT_FN_PTR_PTR_INT_SIZE,
391 DEF_LIB_BUILTIN(BUILT_IN_STRCAT,
393 BT_FN_STRING_STRING_CONST_STRING,
395 DEF_LIB_BUILTIN(BUILT_IN_STRNCAT,
397 BT_FN_STRING_STRING_CONST_STRING_SIZE,
399 DEF_LIB_BUILTIN(BUILT_IN_STRCPY,
401 BT_FN_STRING_STRING_CONST_STRING,
403 DEF_LIB_BUILTIN(BUILT_IN_STRNCPY,
405 BT_FN_STRING_STRING_CONST_STRING_SIZE,
407 DEF_LIB_BUILTIN(BUILT_IN_STRCMP,
409 BT_FN_INT_CONST_STRING_CONST_STRING,
410 ATTR_PURE_NOTHROW_LIST)
411 DEF_LIB_BUILTIN(BUILT_IN_STRNCMP,
413 BT_FN_INT_CONST_STRING_CONST_STRING_SIZE,
414 ATTR_PURE_NOTHROW_LIST)
415 DEF_LIB_BUILTIN(BUILT_IN_STRLEN,
417 BT_FN_SIZE_CONST_STRING,
418 ATTR_PURE_NOTHROW_LIST)
419 DEF_LIB_BUILTIN(BUILT_IN_STRSTR,
421 BT_FN_STRING_CONST_STRING_CONST_STRING,
422 ATTR_PURE_NOTHROW_LIST)
423 DEF_LIB_BUILTIN(BUILT_IN_STRPBRK,
425 BT_FN_STRING_CONST_STRING_CONST_STRING,
426 ATTR_PURE_NOTHROW_LIST)
427 DEF_LIB_BUILTIN(BUILT_IN_STRSPN,
429 BT_FN_SIZE_CONST_STRING_CONST_STRING,
430 ATTR_PURE_NOTHROW_LIST)
431 DEF_LIB_BUILTIN(BUILT_IN_STRCSPN,
433 BT_FN_SIZE_CONST_STRING_CONST_STRING,
434 ATTR_PURE_NOTHROW_LIST)
435 DEF_LIB_BUILTIN(BUILT_IN_STRCHR,
437 BT_FN_STRING_CONST_STRING_INT,
438 ATTR_PURE_NOTHROW_LIST)
439 DEF_LIB_BUILTIN(BUILT_IN_STRRCHR,
441 BT_FN_STRING_CONST_STRING_INT,
442 ATTR_PURE_NOTHROW_LIST)
444 DEF_LIB_BUILTIN(BUILT_IN_SQRT,
447 flag_errno_math ? ATTR_NOTHROW_LIST
448 : (flag_unsafe_math_optimizations
449 ? ATTR_CONST_NOTHROW_LIST
450 : ATTR_PURE_NOTHROW_LIST))
451 DEF_LIB_BUILTIN(BUILT_IN_SIN,
454 flag_unsafe_math_optimizations ? ATTR_CONST_NOTHROW_LIST
455 : ATTR_PURE_NOTHROW_LIST)
456 DEF_LIB_BUILTIN(BUILT_IN_COS,
459 flag_unsafe_math_optimizations ? ATTR_CONST_NOTHROW_LIST
460 : ATTR_PURE_NOTHROW_LIST)
461 DEF_LIB_BUILTIN(BUILT_IN_EXP,
464 flag_errno_math ? ATTR_NOTHROW_LIST
465 : (flag_unsafe_math_optimizations
466 ? ATTR_CONST_NOTHROW_LIST
467 : ATTR_PURE_NOTHROW_LIST))
468 DEF_LIB_BUILTIN(BUILT_IN_LOG,
471 flag_errno_math ? ATTR_NOTHROW_LIST
472 : (flag_unsafe_math_optimizations
473 ? ATTR_CONST_NOTHROW_LIST
474 : ATTR_PURE_NOTHROW_LIST))
475 DEF_LIB_BUILTIN(BUILT_IN_POW,
477 BT_FN_DOUBLE_DOUBLE_DOUBLE,
478 flag_errno_math ? ATTR_NOTHROW_LIST
479 : (flag_unsafe_math_optimizations
480 ? ATTR_CONST_NOTHROW_LIST
481 : ATTR_PURE_NOTHROW_LIST))
482 DEF_LIB_BUILTIN(BUILT_IN_ATAN2,
484 BT_FN_DOUBLE_DOUBLE_DOUBLE,
485 flag_errno_math ? ATTR_NOTHROW_LIST
486 : (flag_unsafe_math_optimizations
487 ? ATTR_CONST_NOTHROW_LIST
488 : ATTR_PURE_NOTHROW_LIST))
489 DEF_LIB_BUILTIN(BUILT_IN_FMOD,
491 BT_FN_DOUBLE_DOUBLE_DOUBLE,
492 flag_errno_math ? ATTR_NOTHROW_LIST
493 : (flag_unsafe_math_optimizations
494 ? ATTR_CONST_NOTHROW_LIST
495 : ATTR_PURE_NOTHROW_LIST))
496 DEF_C99_C90RES_BUILTIN(BUILT_IN_SQRTF,
499 flag_errno_math ? ATTR_NOTHROW_LIST
500 : (flag_unsafe_math_optimizations
501 ? ATTR_CONST_NOTHROW_LIST
502 : ATTR_PURE_NOTHROW_LIST))
503 DEF_C99_C90RES_BUILTIN(BUILT_IN_SINF,
506 flag_unsafe_math_optimizations ? ATTR_CONST_NOTHROW_LIST
507 : ATTR_PURE_NOTHROW_LIST)
508 DEF_C99_C90RES_BUILTIN(BUILT_IN_COSF,
511 flag_unsafe_math_optimizations ? ATTR_CONST_NOTHROW_LIST
512 : ATTR_PURE_NOTHROW_LIST)
513 DEF_C99_C90RES_BUILTIN(BUILT_IN_EXPF,
516 flag_errno_math ? ATTR_NOTHROW_LIST
517 : (flag_unsafe_math_optimizations
518 ? ATTR_CONST_NOTHROW_LIST
519 : ATTR_PURE_NOTHROW_LIST))
520 DEF_C99_C90RES_BUILTIN(BUILT_IN_LOGF,
523 flag_errno_math ? ATTR_NOTHROW_LIST
524 : (flag_unsafe_math_optimizations
525 ? ATTR_CONST_NOTHROW_LIST
526 : ATTR_PURE_NOTHROW_LIST))
527 DEF_C99_C90RES_BUILTIN(BUILT_IN_POWF,
529 BT_FN_FLOAT_FLOAT_FLOAT,
530 flag_errno_math ? ATTR_NOTHROW_LIST
531 : (flag_unsafe_math_optimizations
532 ? ATTR_CONST_NOTHROW_LIST
533 : ATTR_PURE_NOTHROW_LIST))
534 DEF_C99_C90RES_BUILTIN(BUILT_IN_ATAN2F,
536 BT_FN_FLOAT_FLOAT_FLOAT,
537 flag_errno_math ? ATTR_NOTHROW_LIST
538 : (flag_unsafe_math_optimizations
539 ? ATTR_CONST_NOTHROW_LIST
540 : ATTR_PURE_NOTHROW_LIST))
541 DEF_C99_C90RES_BUILTIN(BUILT_IN_FMODF,
543 BT_FN_FLOAT_FLOAT_FLOAT,
544 flag_errno_math ? ATTR_NOTHROW_LIST
545 : (flag_unsafe_math_optimizations
546 ? ATTR_CONST_NOTHROW_LIST
547 : ATTR_PURE_NOTHROW_LIST))
548 DEF_C99_C90RES_BUILTIN(BUILT_IN_SQRTL,
550 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
551 flag_errno_math ? ATTR_NOTHROW_LIST
552 : (flag_unsafe_math_optimizations
553 ? ATTR_CONST_NOTHROW_LIST
554 : ATTR_PURE_NOTHROW_LIST))
555 DEF_C99_C90RES_BUILTIN(BUILT_IN_SINL,
557 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
558 flag_unsafe_math_optimizations ? ATTR_CONST_NOTHROW_LIST
559 : ATTR_PURE_NOTHROW_LIST)
560 DEF_C99_C90RES_BUILTIN(BUILT_IN_COSL,
562 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
563 flag_unsafe_math_optimizations ? ATTR_CONST_NOTHROW_LIST
564 : ATTR_PURE_NOTHROW_LIST)
565 DEF_C99_C90RES_BUILTIN(BUILT_IN_EXPL,
567 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
568 flag_errno_math ? ATTR_NOTHROW_LIST
569 : (flag_unsafe_math_optimizations
570 ? ATTR_CONST_NOTHROW_LIST
571 : ATTR_PURE_NOTHROW_LIST))
572 DEF_C99_C90RES_BUILTIN(BUILT_IN_LOGL,
574 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
575 flag_errno_math ? ATTR_NOTHROW_LIST
576 : (flag_unsafe_math_optimizations
577 ? ATTR_CONST_NOTHROW_LIST
578 : ATTR_PURE_NOTHROW_LIST))
579 DEF_C99_C90RES_BUILTIN(BUILT_IN_POWL,
581 BT_FN_LONG_DOUBLE_LONG_DOUBLE_LONG_DOUBLE,
582 flag_errno_math ? ATTR_NOTHROW_LIST
583 : (flag_unsafe_math_optimizations
584 ? ATTR_CONST_NOTHROW_LIST
585 : ATTR_PURE_NOTHROW_LIST))
586 DEF_C99_C90RES_BUILTIN(BUILT_IN_ATAN2L,
588 BT_FN_LONG_DOUBLE_LONG_DOUBLE_LONG_DOUBLE,
589 flag_errno_math ? ATTR_NOTHROW_LIST
590 : (flag_unsafe_math_optimizations
591 ? ATTR_CONST_NOTHROW_LIST
592 : ATTR_PURE_NOTHROW_LIST))
593 DEF_C99_C90RES_BUILTIN(BUILT_IN_FMODL,
595 BT_FN_LONG_DOUBLE_LONG_DOUBLE_LONG_DOUBLE,
596 flag_errno_math ? ATTR_NOTHROW_LIST
597 : (flag_unsafe_math_optimizations
598 ? ATTR_CONST_NOTHROW_LIST
599 : ATTR_PURE_NOTHROW_LIST))
601 DEF_GCC_BUILTIN(BUILT_IN_INF,
604 ATTR_CONST_NOTHROW_LIST)
605 DEF_GCC_BUILTIN(BUILT_IN_INFF,
608 ATTR_CONST_NOTHROW_LIST)
609 DEF_GCC_BUILTIN(BUILT_IN_INFL,
612 ATTR_CONST_NOTHROW_LIST)
614 DEF_GCC_BUILTIN(BUILT_IN_HUGE_VAL,
615 "__builtin_huge_val",
617 ATTR_CONST_NOTHROW_LIST)
618 DEF_GCC_BUILTIN(BUILT_IN_HUGE_VALF,
619 "__builtin_huge_valf",
621 ATTR_CONST_NOTHROW_LIST)
622 DEF_GCC_BUILTIN(BUILT_IN_HUGE_VALL,
623 "__builtin_huge_vall",
625 ATTR_CONST_NOTHROW_LIST)
627 DEF_LIB_BUILTIN(BUILT_IN_NAN,
629 BT_FN_DOUBLE_CONST_STRING,
630 ATTR_CONST_NOTHROW_LIST)
631 DEF_LIB_BUILTIN(BUILT_IN_NANF,
633 BT_FN_FLOAT_CONST_STRING,
634 ATTR_CONST_NOTHROW_LIST)
635 DEF_LIB_BUILTIN(BUILT_IN_NANL,
637 BT_FN_LONG_DOUBLE_CONST_STRING,
638 ATTR_CONST_NOTHROW_LIST)
640 DEF_LIB_BUILTIN(BUILT_IN_NANS,
642 BT_FN_DOUBLE_CONST_STRING,
643 ATTR_CONST_NOTHROW_LIST)
644 DEF_LIB_BUILTIN(BUILT_IN_NANSF,
646 BT_FN_FLOAT_CONST_STRING,
647 ATTR_CONST_NOTHROW_LIST)
648 DEF_LIB_BUILTIN(BUILT_IN_NANSL,
650 BT_FN_LONG_DOUBLE_CONST_STRING,
651 ATTR_CONST_NOTHROW_LIST)
653 DEF_GCC_BUILTIN(BUILT_IN_SAVEREGS,
654 "__builtin_saveregs",
657 DEF_GCC_BUILTIN(BUILT_IN_CLASSIFY_TYPE,
658 "__builtin_classify_type",
661 DEF_GCC_BUILTIN(BUILT_IN_NEXT_ARG,
662 "__builtin_next_arg",
665 DEF_GCC_BUILTIN(BUILT_IN_ARGS_INFO,
666 "__builtin_args_info",
669 DEF_GCC_BUILTIN(BUILT_IN_CONSTANT_P,
670 "__builtin_constant_p",
673 DEF_GCC_BUILTIN(BUILT_IN_FRAME_ADDRESS,
674 "__builtin_frame_address",
677 DEF_GCC_BUILTIN(BUILT_IN_RETURN_ADDRESS,
678 "__builtin_return_address",
681 DEF_GCC_BUILTIN(BUILT_IN_AGGREGATE_INCOMING_ADDRESS,
682 "__builtin_aggregate_incoming_address",
685 DEF_GCC_BUILTIN(BUILT_IN_APPLY_ARGS,
686 "__builtin_apply_args",
689 DEF_GCC_BUILTIN(BUILT_IN_APPLY,
691 BT_FN_PTR_PTR_FN_VOID_VAR_PTR_SIZE,
693 DEF_GCC_BUILTIN(BUILT_IN_RETURN,
696 ATTR_NORETURN_NOTHROW_LIST)
697 DEF_GCC_BUILTIN(BUILT_IN_SETJMP,
701 DEF_GCC_BUILTIN(BUILT_IN_LONGJMP,
704 ATTR_NORETURN_NOTHROW_LIST)
705 DEF_GCC_BUILTIN(BUILT_IN_TRAP,
708 ATTR_NORETURN_NOTHROW_LIST)
709 DEF_GCC_BUILTIN(BUILT_IN_PREFETCH,
710 "__builtin_prefetch",
711 BT_FN_VOID_CONST_PTR_VAR,
714 /* stdio.h builtins (without FILE *). */
716 DEF_FRONT_END_LIB_BUILTIN(BUILT_IN_PRINTF,
718 BT_FN_INT_CONST_STRING_VAR,
719 ATTR_FORMAT_PRINTF_1_2)
720 DEF_LIB_BUILTIN(BUILT_IN_PUTCHAR,
724 DEF_LIB_BUILTIN(BUILT_IN_PUTS,
726 BT_FN_INT_CONST_STRING,
728 DEF_C99_BUILTIN(BUILT_IN_SNPRINTF,
729 "__builtin_snprintf",
730 BT_FN_INT_STRING_SIZE_CONST_STRING_VAR,
731 ATTR_FORMAT_PRINTF_3_4)
732 DEF_LIB_BUILTIN(BUILT_IN_SPRINTF,
734 BT_FN_INT_STRING_CONST_STRING_VAR,
735 ATTR_FORMAT_PRINTF_2_3)
736 DEF_LIB_BUILTIN(BUILT_IN_SCANF,
738 BT_FN_INT_CONST_STRING_VAR,
739 ATTR_FORMAT_SCANF_1_2)
740 DEF_LIB_BUILTIN(BUILT_IN_SSCANF,
742 BT_FN_INT_CONST_STRING_CONST_STRING_VAR,
743 ATTR_FORMAT_SCANF_2_3)
744 DEF_LIB_BUILTIN(BUILT_IN_VPRINTF,
746 BT_FN_INT_CONST_STRING_VALIST_ARG,
747 ATTR_FORMAT_PRINTF_1_0)
748 DEF_C99_BUILTIN(BUILT_IN_VSCANF,
750 BT_FN_INT_CONST_STRING_VALIST_ARG,
751 ATTR_FORMAT_SCANF_1_0)
752 DEF_C99_BUILTIN(BUILT_IN_VSSCANF,
754 BT_FN_INT_CONST_STRING_CONST_STRING_VALIST_ARG,
755 ATTR_FORMAT_SCANF_2_0)
756 DEF_C99_BUILTIN(BUILT_IN_VSNPRINTF,
757 "__builtin_vsnprintf",
758 BT_FN_INT_STRING_SIZE_CONST_STRING_VALIST_ARG,
759 ATTR_FORMAT_PRINTF_3_0)
760 DEF_LIB_BUILTIN(BUILT_IN_VSPRINTF,
761 "__builtin_vsprintf",
762 BT_FN_INT_STRING_CONST_STRING_VALIST_ARG,
763 ATTR_FORMAT_PRINTF_2_0)
766 /* stdio.h builtins (with FILE *). */
768 /* Declare the __builtin_ style with arguments and the regular style
769 without them. We rely on stdio.h to supply the arguments for the
770 regular style declaration since we had to use void* instead of
771 FILE* in the __builtin_ prototype supplied here. */
773 DEF_FALLBACK_BUILTIN(BUILT_IN_FPUTC,
777 DEF_BUILTIN (BUILT_IN_FPUTS,
780 BT_FN_INT_CONST_STRING_PTR,
782 true, true, false, ATTR_NOTHROW_LIST, true)
783 DEF_FALLBACK_BUILTIN(BUILT_IN_FWRITE,
785 BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR,
787 DEF_FRONT_END_LIB_BUILTIN(BUILT_IN_FPRINTF,
789 BT_FN_INT_PTR_CONST_STRING_VAR,
790 ATTR_FORMAT_PRINTF_2_3)
792 /* stdio unlocked builtins (without FILE *). */
794 DEF_EXT_FALLBACK_BUILTIN(BUILT_IN_PUTCHAR_UNLOCKED,
795 "__builtin_putchar_unlocked",
797 DEF_EXT_FALLBACK_BUILTIN(BUILT_IN_PUTS_UNLOCKED,
798 "__builtin_puts_unlocked",
799 BT_FN_INT_CONST_STRING)
800 DEF_EXT_FRONT_END_LIB_BUILTIN(BUILT_IN_PRINTF_UNLOCKED,
801 "__builtin_printf_unlocked",
802 BT_FN_INT_CONST_STRING_VAR,
803 ATTR_FORMAT_PRINTF_1_2)
805 /* stdio unlocked builtins (with FILE *). */
807 /* Declare the __builtin_ style with arguments and the regular style
808 without them. We rely on stdio.h to supply the arguments for the
809 regular style declaration since we had to use void* instead of
810 FILE* in the __builtin_ prototype supplied here. */
812 DEF_EXT_FALLBACK_BUILTIN(BUILT_IN_FPUTC_UNLOCKED,
813 "__builtin_fputc_unlocked",
815 DEF_BUILTIN (BUILT_IN_FPUTS_UNLOCKED,
816 "__builtin_fputs_unlocked",
818 BT_FN_INT_CONST_STRING_PTR,
820 true, true, true, ATTR_NOTHROW_LIST, true)
821 DEF_EXT_FALLBACK_BUILTIN(BUILT_IN_FWRITE_UNLOCKED,
822 "__builtin_fwrite_unlocked",
823 BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR)
824 DEF_EXT_FRONT_END_LIB_BUILTIN(BUILT_IN_FPRINTF_UNLOCKED,
825 "__builtin_fprintf_unlocked",
826 BT_FN_INT_PTR_CONST_STRING_VAR,
827 ATTR_FORMAT_PRINTF_2_3)
829 /* ISO C99 floating point unordered comparisons. */
830 DEF_GCC_BUILTIN(BUILT_IN_ISGREATER,
831 "__builtin_isgreater",
833 ATTR_CONST_NOTHROW_LIST)
834 DEF_GCC_BUILTIN(BUILT_IN_ISGREATEREQUAL,
835 "__builtin_isgreaterequal",
837 ATTR_CONST_NOTHROW_LIST)
838 DEF_GCC_BUILTIN(BUILT_IN_ISLESS,
841 ATTR_CONST_NOTHROW_LIST)
842 DEF_GCC_BUILTIN(BUILT_IN_ISLESSEQUAL,
843 "__builtin_islessequal",
845 ATTR_CONST_NOTHROW_LIST)
846 DEF_GCC_BUILTIN(BUILT_IN_ISLESSGREATER,
847 "__builtin_islessgreater",
849 ATTR_CONST_NOTHROW_LIST)
850 DEF_GCC_BUILTIN(BUILT_IN_ISUNORDERED,
851 "__builtin_isunordered",
853 ATTR_CONST_NOTHROW_LIST)
855 /* Various hooks for the DWARF 2 __throw routine. */
856 DEF_GCC_BUILTIN(BUILT_IN_UNWIND_INIT,
857 "__builtin_unwind_init",
860 DEF_GCC_BUILTIN(BUILT_IN_DWARF_CFA,
861 "__builtin_dwarf_cfa",
864 DEF_GCC_BUILTIN(BUILT_IN_DWARF_FP_REGNUM,
865 "__builtin_dwarf_fp_regnum",
868 DEF_GCC_BUILTIN(BUILT_IN_INIT_DWARF_REG_SIZES,
869 "__builtin_init_dwarf_reg_size_table",
872 DEF_GCC_BUILTIN(BUILT_IN_FROB_RETURN_ADDR,
873 "__builtin_frob_return_addr",
876 DEF_GCC_BUILTIN(BUILT_IN_EXTRACT_RETURN_ADDR,
877 "__builtin_extract_return_addr",
880 DEF_GCC_BUILTIN(BUILT_IN_EH_RETURN,
881 "__builtin_eh_return",
882 BT_FN_VOID_PTRMODE_PTR,
883 ATTR_NORETURN_NOTHROW_LIST)
884 DEF_GCC_BUILTIN(BUILT_IN_EH_RETURN_DATA_REGNO,
885 "__builtin_eh_return_data_regno",
889 /* Variable argument list (stdarg.h) support */
890 DEF_GCC_BUILTIN(BUILT_IN_VA_START,
891 "__builtin_va_start",
892 BT_FN_VOID_VALIST_REF_VAR,
894 DEF_GCC_BUILTIN(BUILT_IN_STDARG_START, /* backward compat */
895 "__builtin_stdarg_start",
896 BT_FN_VOID_VALIST_REF_VAR,
898 DEF_GCC_BUILTIN(BUILT_IN_VA_END,
900 BT_FN_VOID_VALIST_REF,
902 DEF_GCC_BUILTIN(BUILT_IN_VA_COPY,
904 BT_FN_VOID_VALIST_REF_VALIST_ARG,
907 DEF_GCC_BUILTIN(BUILT_IN_EXPECT,
909 BT_FN_LONG_LONG_LONG,
912 /* Declare abort, exit, _exit and _Exit */
913 DEF_LIB_BUILTIN(BUILT_IN_ABORT,
916 ATTR_NORETURN_NOTHROW_LIST)
917 DEF_LIB_BUILTIN(BUILT_IN_EXIT,
920 ATTR_NORETURN_NOTHROW_LIST)
921 DEF_EXT_LIB_BUILTIN(BUILT_IN__EXIT,
924 ATTR_NORETURN_NOTHROW_LIST)
925 DEF_C99_BUILTIN(BUILT_IN__EXIT2,
928 ATTR_NORETURN_NOTHROW_LIST)