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 simplifying floor((double)float) since the runtime need not implement
65 /* A GCC builtin (like __builtin_saveregs) is provided by the
66 compiler, but does not correspond to a function in the standard
68 #undef DEF_GCC_BUILTIN
69 #define DEF_GCC_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
70 DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, BT_LAST, \
71 false, false, false, ATTRS, true)
74 /* A fallback builtin is a builtin (like __builtin_puts) that falls
75 back to the corresopnding library function if necessary -- but
76 for which we should not introduce the non-`__builtin' variant of
78 #undef DEF_FALLBACK_BUILTIN
79 #define DEF_FALLBACK_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
80 DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
81 false, true, false, ATTRS, true)
83 /* Like DEF_FALLBACK_BUILTIN, except that the function is not one that
84 is specified by ANSI/ISO C. So, when we're being fully conformant
85 we ignore the version of these builtins that does not begin with
87 #undef DEF_EXT_FALLBACK_BUILTIN
88 #define DEF_EXT_FALLBACK_BUILTIN(ENUM, NAME, TYPE) \
89 DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
90 false, true, true, ATTR_NOTHROW_LIST, true)
92 /* A library builtin (like __builtin_strchr) is a builtin equivalent
93 of an ANSI/ISO standard library function. In addition to the
94 `__builtin' version, we will create an ordinary version (e.g,
95 `strchr') as well. If we cannot compute the answer using the
96 builtin function, we will fall back to the standard library
98 #undef DEF_LIB_BUILTIN
99 #define DEF_LIB_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
100 DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
101 true, true, false, ATTRS, true)
103 /* Like DEF_LIB_BUILTIN, except that the function is not one that is
104 specified by ANSI/ISO C. So, when we're being fully conformant we
105 ignore the version of these builtins that does not begin with
107 #undef DEF_EXT_LIB_BUILTIN
108 #define DEF_EXT_LIB_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
109 DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
110 true, true, true, ATTRS, false)
112 /* Like DEF_LIB_BUILTIN, except that the function is only a part of
113 the standard in C99 or above. */
114 #undef DEF_C99_BUILTIN
115 #define DEF_C99_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
116 DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
117 true, true, !flag_isoc99, ATTRS, TARGET_C99_FUNCTIONS)
119 /* Builtin that is specified by C99 and C90 reserve the name for future use.
120 We can still recognize the builtin in C90 mode but we can't produce it
122 #undef DEF_C99_C90RES_BUILTIN
123 #define DEF_C99_C90RES_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
124 DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
125 true, true, !flag_isoc99, ATTRS, TARGET_C99_FUNCTIONS)
127 /* Like DEF_LIB_BUILTIN, except that the function is expanded in the
129 #undef DEF_FRONT_END_LIB_BUILTIN
130 #define DEF_FRONT_END_LIB_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
131 DEF_BUILTIN (ENUM, NAME, BUILT_IN_FRONTEND, TYPE, TYPE, \
132 true, true, false, ATTRS, true)
134 /* Like DEF_FRONT_END_LIB_BUILTIN, except that the function is not one
135 that is specified by ANSI/ISO C. So, when we're being fully
136 conformant we ignore the version of these builtins that does not
137 begin with __builtin. */
138 #undef DEF_EXT_FRONT_END_LIB_BUILTIN
139 #define DEF_EXT_FRONT_END_LIB_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
140 DEF_BUILTIN (ENUM, NAME, BUILT_IN_FRONTEND, TYPE, TYPE, \
141 true, true, true, ATTRS, true)
143 /* If SMALL_STACK is defined, then `alloca' is only defined in its
146 DEF_FALLBACK_BUILTIN(BUILT_IN_ALLOCA,
149 ATTR_MALLOC_NOTHROW_LIST)
151 DEF_EXT_LIB_BUILTIN(BUILT_IN_ALLOCA,
154 ATTR_MALLOC_NOTHROW_LIST)
157 DEF_LIB_BUILTIN(BUILT_IN_ABS,
160 ATTR_CONST_NOTHROW_LIST)
161 DEF_LIB_BUILTIN(BUILT_IN_LABS,
164 ATTR_CONST_NOTHROW_LIST)
166 DEF_LIB_BUILTIN(BUILT_IN_FABS,
169 ATTR_CONST_NOTHROW_LIST)
170 DEF_C99_C90RES_BUILTIN(BUILT_IN_FABSF,
173 ATTR_CONST_NOTHROW_LIST)
174 DEF_C99_C90RES_BUILTIN(BUILT_IN_FABSL,
176 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
177 ATTR_CONST_NOTHROW_LIST)
179 DEF_LIB_BUILTIN(BUILT_IN_FLOOR,
182 ATTR_CONST_NOTHROW_LIST)
183 DEF_C99_C90RES_BUILTIN(BUILT_IN_FLOORF,
186 ATTR_CONST_NOTHROW_LIST)
187 DEF_C99_C90RES_BUILTIN(BUILT_IN_FLOORL,
189 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
190 ATTR_CONST_NOTHROW_LIST)
192 DEF_LIB_BUILTIN(BUILT_IN_CEIL,
195 ATTR_CONST_NOTHROW_LIST)
196 DEF_C99_C90RES_BUILTIN(BUILT_IN_CEILF,
199 ATTR_CONST_NOTHROW_LIST)
200 DEF_C99_C90RES_BUILTIN(BUILT_IN_CEILL,
202 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
203 ATTR_CONST_NOTHROW_LIST)
205 DEF_C99_BUILTIN(BUILT_IN_ROUND,
208 ATTR_CONST_NOTHROW_LIST)
209 DEF_C99_BUILTIN(BUILT_IN_ROUNDF,
212 ATTR_CONST_NOTHROW_LIST)
213 DEF_C99_BUILTIN(BUILT_IN_ROUNDL,
215 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
216 ATTR_CONST_NOTHROW_LIST)
218 DEF_C99_BUILTIN(BUILT_IN_TRUNC,
221 ATTR_CONST_NOTHROW_LIST)
222 DEF_C99_BUILTIN(BUILT_IN_TRUNCF,
225 ATTR_CONST_NOTHROW_LIST)
226 DEF_C99_BUILTIN(BUILT_IN_TRUNCL,
228 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
229 ATTR_CONST_NOTHROW_LIST)
231 DEF_C99_BUILTIN(BUILT_IN_NEARBYINT,
232 "__builtin_nearbyint",
234 ATTR_CONST_NOTHROW_LIST)
235 DEF_C99_BUILTIN(BUILT_IN_NEARBYINTF,
236 "__builtin_nearbyintf",
238 ATTR_CONST_NOTHROW_LIST)
239 DEF_C99_BUILTIN(BUILT_IN_NEARBYINTL,
240 "__builtin_nearbyintl",
241 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
242 ATTR_CONST_NOTHROW_LIST)
244 DEF_C99_BUILTIN(BUILT_IN_LLABS,
246 BT_FN_LONGLONG_LONGLONG,
247 ATTR_CONST_NOTHROW_LIST)
248 DEF_C99_BUILTIN(BUILT_IN_IMAXABS,
251 ATTR_CONST_NOTHROW_LIST)
252 DEF_C99_BUILTIN(BUILT_IN_CONJ,
254 BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE,
255 ATTR_CONST_NOTHROW_LIST)
256 DEF_C99_BUILTIN(BUILT_IN_CONJF,
258 BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT,
259 ATTR_CONST_NOTHROW_LIST)
260 DEF_C99_BUILTIN(BUILT_IN_CONJL,
262 BT_FN_COMPLEX_LONG_DOUBLE_COMPLEX_LONG_DOUBLE,
263 ATTR_CONST_NOTHROW_LIST)
264 DEF_C99_BUILTIN(BUILT_IN_CREAL,
266 BT_FN_DOUBLE_COMPLEX_DOUBLE,
267 ATTR_CONST_NOTHROW_LIST)
268 DEF_C99_BUILTIN(BUILT_IN_CREALF,
270 BT_FN_FLOAT_COMPLEX_FLOAT,
271 ATTR_CONST_NOTHROW_LIST)
272 DEF_C99_BUILTIN(BUILT_IN_CREALL,
274 BT_FN_LONG_DOUBLE_COMPLEX_LONG_DOUBLE,
275 ATTR_CONST_NOTHROW_LIST)
276 DEF_C99_BUILTIN(BUILT_IN_CIMAG,
278 BT_FN_DOUBLE_COMPLEX_DOUBLE,
279 ATTR_CONST_NOTHROW_LIST)
280 DEF_C99_BUILTIN(BUILT_IN_CIMAGF,
282 BT_FN_FLOAT_COMPLEX_FLOAT,
283 ATTR_CONST_NOTHROW_LIST)
284 DEF_C99_BUILTIN(BUILT_IN_CIMAGL,
286 BT_FN_LONG_DOUBLE_COMPLEX_LONG_DOUBLE,
287 ATTR_CONST_NOTHROW_LIST)
289 /* The system prototypes for `bzero', 'bcopy' and `bcmp' functions
290 have many variations, so don't specify parameters to avoid conflicts.
291 The expand_* functions check the argument types anyway. */
292 DEF_BUILTIN (BUILT_IN_BZERO,
298 ATTR_NOTHROW_LIST, false)
299 DEF_BUILTIN (BUILT_IN_BCOPY,
302 BT_FN_VOID_CONST_PTR_PTR_SIZE,
305 ATTR_NOTHROW_LIST, false)
306 DEF_BUILTIN (BUILT_IN_BCMP,
309 BT_FN_INT_CONST_PTR_CONST_PTR_SIZE,
312 ATTR_PURE_NOTHROW_LIST, false)
314 DEF_EXT_LIB_BUILTIN(BUILT_IN_FFS,
317 ATTR_CONST_NOTHROW_LIST)
318 DEF_GCC_BUILTIN(BUILT_IN_CLZ,
321 ATTR_CONST_NOTHROW_LIST)
322 DEF_GCC_BUILTIN(BUILT_IN_CTZ,
325 ATTR_CONST_NOTHROW_LIST)
326 DEF_GCC_BUILTIN(BUILT_IN_POPCOUNT,
327 "__builtin_popcount",
329 ATTR_CONST_NOTHROW_LIST)
330 DEF_GCC_BUILTIN(BUILT_IN_PARITY,
333 ATTR_CONST_NOTHROW_LIST)
335 DEF_GCC_BUILTIN(BUILT_IN_FFSL,
338 ATTR_CONST_NOTHROW_LIST)
339 DEF_GCC_BUILTIN(BUILT_IN_CLZL,
342 ATTR_CONST_NOTHROW_LIST)
343 DEF_GCC_BUILTIN(BUILT_IN_CTZL,
346 ATTR_CONST_NOTHROW_LIST)
347 DEF_GCC_BUILTIN(BUILT_IN_POPCOUNTL,
348 "__builtin_popcountl",
350 ATTR_CONST_NOTHROW_LIST)
351 DEF_GCC_BUILTIN(BUILT_IN_PARITYL,
354 ATTR_CONST_NOTHROW_LIST)
356 DEF_EXT_LIB_BUILTIN(BUILT_IN_FFSLL,
359 ATTR_CONST_NOTHROW_LIST)
360 DEF_GCC_BUILTIN(BUILT_IN_CLZLL,
363 ATTR_CONST_NOTHROW_LIST)
364 DEF_GCC_BUILTIN(BUILT_IN_CTZLL,
367 ATTR_CONST_NOTHROW_LIST)
368 DEF_GCC_BUILTIN(BUILT_IN_POPCOUNTLL,
369 "__builtin_popcountll",
371 ATTR_CONST_NOTHROW_LIST)
372 DEF_GCC_BUILTIN(BUILT_IN_PARITYLL,
373 "__builtin_parityll",
375 ATTR_CONST_NOTHROW_LIST)
377 DEF_EXT_LIB_BUILTIN(BUILT_IN_INDEX,
379 BT_FN_STRING_CONST_STRING_INT,
380 ATTR_PURE_NOTHROW_LIST)
381 DEF_EXT_LIB_BUILTIN(BUILT_IN_RINDEX,
383 BT_FN_STRING_CONST_STRING_INT,
384 ATTR_PURE_NOTHROW_LIST)
386 DEF_LIB_BUILTIN(BUILT_IN_MEMCPY,
388 BT_FN_PTR_PTR_CONST_PTR_SIZE,
390 DEF_LIB_BUILTIN(BUILT_IN_MEMMOVE,
392 BT_FN_PTR_PTR_CONST_PTR_SIZE,
394 DEF_LIB_BUILTIN(BUILT_IN_MEMCMP,
396 BT_FN_INT_CONST_PTR_CONST_PTR_SIZE,
397 ATTR_PURE_NOTHROW_LIST)
398 DEF_LIB_BUILTIN(BUILT_IN_MEMSET,
400 BT_FN_PTR_PTR_INT_SIZE,
402 DEF_EXT_LIB_BUILTIN(BUILT_IN_MEMPCPY,
404 BT_FN_PTR_PTR_CONST_PTR_SIZE,
407 DEF_LIB_BUILTIN(BUILT_IN_STRCAT,
409 BT_FN_STRING_STRING_CONST_STRING,
411 DEF_LIB_BUILTIN(BUILT_IN_STRNCAT,
413 BT_FN_STRING_STRING_CONST_STRING_SIZE,
415 DEF_EXT_LIB_BUILTIN(BUILT_IN_STPCPY,
417 BT_FN_STRING_STRING_CONST_STRING,
419 DEF_LIB_BUILTIN(BUILT_IN_STRCPY,
421 BT_FN_STRING_STRING_CONST_STRING,
423 DEF_LIB_BUILTIN(BUILT_IN_STRNCPY,
425 BT_FN_STRING_STRING_CONST_STRING_SIZE,
427 DEF_LIB_BUILTIN(BUILT_IN_STRCMP,
429 BT_FN_INT_CONST_STRING_CONST_STRING,
430 ATTR_PURE_NOTHROW_LIST)
431 DEF_LIB_BUILTIN(BUILT_IN_STRNCMP,
433 BT_FN_INT_CONST_STRING_CONST_STRING_SIZE,
434 ATTR_PURE_NOTHROW_LIST)
435 DEF_LIB_BUILTIN(BUILT_IN_STRLEN,
437 BT_FN_SIZE_CONST_STRING,
438 ATTR_PURE_NOTHROW_LIST)
439 DEF_LIB_BUILTIN(BUILT_IN_STRSTR,
441 BT_FN_STRING_CONST_STRING_CONST_STRING,
442 ATTR_PURE_NOTHROW_LIST)
443 DEF_LIB_BUILTIN(BUILT_IN_STRPBRK,
445 BT_FN_STRING_CONST_STRING_CONST_STRING,
446 ATTR_PURE_NOTHROW_LIST)
447 DEF_LIB_BUILTIN(BUILT_IN_STRSPN,
449 BT_FN_SIZE_CONST_STRING_CONST_STRING,
450 ATTR_PURE_NOTHROW_LIST)
451 DEF_LIB_BUILTIN(BUILT_IN_STRCSPN,
453 BT_FN_SIZE_CONST_STRING_CONST_STRING,
454 ATTR_PURE_NOTHROW_LIST)
455 DEF_LIB_BUILTIN(BUILT_IN_STRCHR,
457 BT_FN_STRING_CONST_STRING_INT,
458 ATTR_PURE_NOTHROW_LIST)
459 DEF_LIB_BUILTIN(BUILT_IN_STRRCHR,
461 BT_FN_STRING_CONST_STRING_INT,
462 ATTR_PURE_NOTHROW_LIST)
464 DEF_LIB_BUILTIN(BUILT_IN_SQRT,
467 flag_errno_math ? ATTR_NOTHROW_LIST
468 : (flag_unsafe_math_optimizations
469 ? ATTR_CONST_NOTHROW_LIST
470 : ATTR_PURE_NOTHROW_LIST))
471 DEF_LIB_BUILTIN(BUILT_IN_SIN,
474 flag_unsafe_math_optimizations ? ATTR_CONST_NOTHROW_LIST
475 : ATTR_PURE_NOTHROW_LIST)
476 DEF_LIB_BUILTIN(BUILT_IN_COS,
479 flag_unsafe_math_optimizations ? ATTR_CONST_NOTHROW_LIST
480 : ATTR_PURE_NOTHROW_LIST)
481 DEF_LIB_BUILTIN(BUILT_IN_EXP,
484 flag_errno_math ? ATTR_NOTHROW_LIST
485 : (flag_unsafe_math_optimizations
486 ? ATTR_CONST_NOTHROW_LIST
487 : ATTR_PURE_NOTHROW_LIST))
488 DEF_LIB_BUILTIN(BUILT_IN_LOG,
491 flag_errno_math ? ATTR_NOTHROW_LIST
492 : (flag_unsafe_math_optimizations
493 ? ATTR_CONST_NOTHROW_LIST
494 : ATTR_PURE_NOTHROW_LIST))
495 DEF_LIB_BUILTIN(BUILT_IN_POW,
497 BT_FN_DOUBLE_DOUBLE_DOUBLE,
498 flag_errno_math ? ATTR_NOTHROW_LIST
499 : (flag_unsafe_math_optimizations
500 ? ATTR_CONST_NOTHROW_LIST
501 : ATTR_PURE_NOTHROW_LIST))
502 DEF_LIB_BUILTIN(BUILT_IN_ATAN2,
504 BT_FN_DOUBLE_DOUBLE_DOUBLE,
505 flag_errno_math ? ATTR_NOTHROW_LIST
506 : (flag_unsafe_math_optimizations
507 ? ATTR_CONST_NOTHROW_LIST
508 : ATTR_PURE_NOTHROW_LIST))
509 DEF_LIB_BUILTIN(BUILT_IN_FMOD,
511 BT_FN_DOUBLE_DOUBLE_DOUBLE,
512 flag_errno_math ? ATTR_NOTHROW_LIST
513 : (flag_unsafe_math_optimizations
514 ? ATTR_CONST_NOTHROW_LIST
515 : ATTR_PURE_NOTHROW_LIST))
516 DEF_C99_C90RES_BUILTIN(BUILT_IN_SQRTF,
519 flag_errno_math ? ATTR_NOTHROW_LIST
520 : (flag_unsafe_math_optimizations
521 ? ATTR_CONST_NOTHROW_LIST
522 : ATTR_PURE_NOTHROW_LIST))
523 DEF_C99_C90RES_BUILTIN(BUILT_IN_SINF,
526 flag_unsafe_math_optimizations ? ATTR_CONST_NOTHROW_LIST
527 : ATTR_PURE_NOTHROW_LIST)
528 DEF_C99_C90RES_BUILTIN(BUILT_IN_COSF,
531 flag_unsafe_math_optimizations ? ATTR_CONST_NOTHROW_LIST
532 : ATTR_PURE_NOTHROW_LIST)
533 DEF_C99_C90RES_BUILTIN(BUILT_IN_EXPF,
536 flag_errno_math ? ATTR_NOTHROW_LIST
537 : (flag_unsafe_math_optimizations
538 ? ATTR_CONST_NOTHROW_LIST
539 : ATTR_PURE_NOTHROW_LIST))
540 DEF_C99_C90RES_BUILTIN(BUILT_IN_LOGF,
543 flag_errno_math ? ATTR_NOTHROW_LIST
544 : (flag_unsafe_math_optimizations
545 ? ATTR_CONST_NOTHROW_LIST
546 : ATTR_PURE_NOTHROW_LIST))
547 DEF_C99_C90RES_BUILTIN(BUILT_IN_POWF,
549 BT_FN_FLOAT_FLOAT_FLOAT,
550 flag_errno_math ? ATTR_NOTHROW_LIST
551 : (flag_unsafe_math_optimizations
552 ? ATTR_CONST_NOTHROW_LIST
553 : ATTR_PURE_NOTHROW_LIST))
554 DEF_C99_C90RES_BUILTIN(BUILT_IN_ATAN2F,
556 BT_FN_FLOAT_FLOAT_FLOAT,
557 flag_errno_math ? ATTR_NOTHROW_LIST
558 : (flag_unsafe_math_optimizations
559 ? ATTR_CONST_NOTHROW_LIST
560 : ATTR_PURE_NOTHROW_LIST))
561 DEF_C99_C90RES_BUILTIN(BUILT_IN_FMODF,
563 BT_FN_FLOAT_FLOAT_FLOAT,
564 flag_errno_math ? ATTR_NOTHROW_LIST
565 : (flag_unsafe_math_optimizations
566 ? ATTR_CONST_NOTHROW_LIST
567 : ATTR_PURE_NOTHROW_LIST))
568 DEF_C99_C90RES_BUILTIN(BUILT_IN_SQRTL,
570 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
571 flag_errno_math ? ATTR_NOTHROW_LIST
572 : (flag_unsafe_math_optimizations
573 ? ATTR_CONST_NOTHROW_LIST
574 : ATTR_PURE_NOTHROW_LIST))
575 DEF_C99_C90RES_BUILTIN(BUILT_IN_SINL,
577 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
578 flag_unsafe_math_optimizations ? ATTR_CONST_NOTHROW_LIST
579 : ATTR_PURE_NOTHROW_LIST)
580 DEF_C99_C90RES_BUILTIN(BUILT_IN_COSL,
582 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
583 flag_unsafe_math_optimizations ? ATTR_CONST_NOTHROW_LIST
584 : ATTR_PURE_NOTHROW_LIST)
585 DEF_C99_C90RES_BUILTIN(BUILT_IN_EXPL,
587 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
588 flag_errno_math ? ATTR_NOTHROW_LIST
589 : (flag_unsafe_math_optimizations
590 ? ATTR_CONST_NOTHROW_LIST
591 : ATTR_PURE_NOTHROW_LIST))
592 DEF_C99_C90RES_BUILTIN(BUILT_IN_LOGL,
594 BT_FN_LONG_DOUBLE_LONG_DOUBLE,
595 flag_errno_math ? ATTR_NOTHROW_LIST
596 : (flag_unsafe_math_optimizations
597 ? ATTR_CONST_NOTHROW_LIST
598 : ATTR_PURE_NOTHROW_LIST))
599 DEF_C99_C90RES_BUILTIN(BUILT_IN_POWL,
601 BT_FN_LONG_DOUBLE_LONG_DOUBLE_LONG_DOUBLE,
602 flag_errno_math ? ATTR_NOTHROW_LIST
603 : (flag_unsafe_math_optimizations
604 ? ATTR_CONST_NOTHROW_LIST
605 : ATTR_PURE_NOTHROW_LIST))
606 DEF_C99_C90RES_BUILTIN(BUILT_IN_ATAN2L,
608 BT_FN_LONG_DOUBLE_LONG_DOUBLE_LONG_DOUBLE,
609 flag_errno_math ? ATTR_NOTHROW_LIST
610 : (flag_unsafe_math_optimizations
611 ? ATTR_CONST_NOTHROW_LIST
612 : ATTR_PURE_NOTHROW_LIST))
613 DEF_C99_C90RES_BUILTIN(BUILT_IN_FMODL,
615 BT_FN_LONG_DOUBLE_LONG_DOUBLE_LONG_DOUBLE,
616 flag_errno_math ? ATTR_NOTHROW_LIST
617 : (flag_unsafe_math_optimizations
618 ? ATTR_CONST_NOTHROW_LIST
619 : ATTR_PURE_NOTHROW_LIST))
621 DEF_GCC_BUILTIN(BUILT_IN_INF,
624 ATTR_CONST_NOTHROW_LIST)
625 DEF_GCC_BUILTIN(BUILT_IN_INFF,
628 ATTR_CONST_NOTHROW_LIST)
629 DEF_GCC_BUILTIN(BUILT_IN_INFL,
632 ATTR_CONST_NOTHROW_LIST)
634 DEF_GCC_BUILTIN(BUILT_IN_HUGE_VAL,
635 "__builtin_huge_val",
637 ATTR_CONST_NOTHROW_LIST)
638 DEF_GCC_BUILTIN(BUILT_IN_HUGE_VALF,
639 "__builtin_huge_valf",
641 ATTR_CONST_NOTHROW_LIST)
642 DEF_GCC_BUILTIN(BUILT_IN_HUGE_VALL,
643 "__builtin_huge_vall",
645 ATTR_CONST_NOTHROW_LIST)
647 DEF_LIB_BUILTIN(BUILT_IN_NAN,
649 BT_FN_DOUBLE_CONST_STRING,
650 ATTR_CONST_NOTHROW_LIST)
651 DEF_LIB_BUILTIN(BUILT_IN_NANF,
653 BT_FN_FLOAT_CONST_STRING,
654 ATTR_CONST_NOTHROW_LIST)
655 DEF_LIB_BUILTIN(BUILT_IN_NANL,
657 BT_FN_LONG_DOUBLE_CONST_STRING,
658 ATTR_CONST_NOTHROW_LIST)
660 DEF_LIB_BUILTIN(BUILT_IN_NANS,
662 BT_FN_DOUBLE_CONST_STRING,
663 ATTR_CONST_NOTHROW_LIST)
664 DEF_LIB_BUILTIN(BUILT_IN_NANSF,
666 BT_FN_FLOAT_CONST_STRING,
667 ATTR_CONST_NOTHROW_LIST)
668 DEF_LIB_BUILTIN(BUILT_IN_NANSL,
670 BT_FN_LONG_DOUBLE_CONST_STRING,
671 ATTR_CONST_NOTHROW_LIST)
673 DEF_GCC_BUILTIN(BUILT_IN_SAVEREGS,
674 "__builtin_saveregs",
677 DEF_GCC_BUILTIN(BUILT_IN_CLASSIFY_TYPE,
678 "__builtin_classify_type",
681 DEF_GCC_BUILTIN(BUILT_IN_NEXT_ARG,
682 "__builtin_next_arg",
685 DEF_GCC_BUILTIN(BUILT_IN_ARGS_INFO,
686 "__builtin_args_info",
689 DEF_GCC_BUILTIN(BUILT_IN_CONSTANT_P,
690 "__builtin_constant_p",
693 DEF_GCC_BUILTIN(BUILT_IN_FRAME_ADDRESS,
694 "__builtin_frame_address",
697 DEF_GCC_BUILTIN(BUILT_IN_RETURN_ADDRESS,
698 "__builtin_return_address",
701 DEF_GCC_BUILTIN(BUILT_IN_AGGREGATE_INCOMING_ADDRESS,
702 "__builtin_aggregate_incoming_address",
705 DEF_GCC_BUILTIN(BUILT_IN_APPLY_ARGS,
706 "__builtin_apply_args",
709 DEF_GCC_BUILTIN(BUILT_IN_APPLY,
711 BT_FN_PTR_PTR_FN_VOID_VAR_PTR_SIZE,
713 DEF_GCC_BUILTIN(BUILT_IN_RETURN,
716 ATTR_NORETURN_NOTHROW_LIST)
717 DEF_GCC_BUILTIN(BUILT_IN_SETJMP,
721 DEF_GCC_BUILTIN(BUILT_IN_LONGJMP,
724 ATTR_NORETURN_NOTHROW_LIST)
725 DEF_GCC_BUILTIN(BUILT_IN_TRAP,
728 ATTR_NORETURN_NOTHROW_LIST)
729 DEF_GCC_BUILTIN(BUILT_IN_PREFETCH,
730 "__builtin_prefetch",
731 BT_FN_VOID_CONST_PTR_VAR,
734 /* stdio.h builtins (without FILE *). */
736 DEF_FRONT_END_LIB_BUILTIN(BUILT_IN_PRINTF,
738 BT_FN_INT_CONST_STRING_VAR,
739 ATTR_FORMAT_PRINTF_1_2)
740 DEF_LIB_BUILTIN(BUILT_IN_PUTCHAR,
744 DEF_LIB_BUILTIN(BUILT_IN_PUTS,
746 BT_FN_INT_CONST_STRING,
748 DEF_C99_BUILTIN(BUILT_IN_SNPRINTF,
749 "__builtin_snprintf",
750 BT_FN_INT_STRING_SIZE_CONST_STRING_VAR,
751 ATTR_FORMAT_PRINTF_3_4)
752 DEF_LIB_BUILTIN(BUILT_IN_SPRINTF,
754 BT_FN_INT_STRING_CONST_STRING_VAR,
755 ATTR_FORMAT_PRINTF_2_3)
756 DEF_LIB_BUILTIN(BUILT_IN_SCANF,
758 BT_FN_INT_CONST_STRING_VAR,
759 ATTR_FORMAT_SCANF_1_2)
760 DEF_LIB_BUILTIN(BUILT_IN_SSCANF,
762 BT_FN_INT_CONST_STRING_CONST_STRING_VAR,
763 ATTR_FORMAT_SCANF_2_3)
764 DEF_LIB_BUILTIN(BUILT_IN_VPRINTF,
766 BT_FN_INT_CONST_STRING_VALIST_ARG,
767 ATTR_FORMAT_PRINTF_1_0)
768 DEF_C99_BUILTIN(BUILT_IN_VSCANF,
770 BT_FN_INT_CONST_STRING_VALIST_ARG,
771 ATTR_FORMAT_SCANF_1_0)
772 DEF_C99_BUILTIN(BUILT_IN_VSSCANF,
774 BT_FN_INT_CONST_STRING_CONST_STRING_VALIST_ARG,
775 ATTR_FORMAT_SCANF_2_0)
776 DEF_C99_BUILTIN(BUILT_IN_VSNPRINTF,
777 "__builtin_vsnprintf",
778 BT_FN_INT_STRING_SIZE_CONST_STRING_VALIST_ARG,
779 ATTR_FORMAT_PRINTF_3_0)
780 DEF_LIB_BUILTIN(BUILT_IN_VSPRINTF,
781 "__builtin_vsprintf",
782 BT_FN_INT_STRING_CONST_STRING_VALIST_ARG,
783 ATTR_FORMAT_PRINTF_2_0)
786 /* stdio.h builtins (with FILE *). */
788 /* Declare the __builtin_ style with arguments and the regular style
789 without them. We rely on stdio.h to supply the arguments for the
790 regular style declaration since we had to use void* instead of
791 FILE* in the __builtin_ prototype supplied here. */
793 DEF_FALLBACK_BUILTIN(BUILT_IN_FPUTC,
797 DEF_BUILTIN (BUILT_IN_FPUTS,
800 BT_FN_INT_CONST_STRING_PTR,
802 true, true, false, ATTR_NOTHROW_LIST, true)
803 DEF_FALLBACK_BUILTIN(BUILT_IN_FWRITE,
805 BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR,
807 DEF_FRONT_END_LIB_BUILTIN(BUILT_IN_FPRINTF,
809 BT_FN_INT_PTR_CONST_STRING_VAR,
810 ATTR_FORMAT_PRINTF_2_3)
812 /* stdio unlocked builtins (without FILE *). */
814 DEF_EXT_FALLBACK_BUILTIN(BUILT_IN_PUTCHAR_UNLOCKED,
815 "__builtin_putchar_unlocked",
817 DEF_EXT_FALLBACK_BUILTIN(BUILT_IN_PUTS_UNLOCKED,
818 "__builtin_puts_unlocked",
819 BT_FN_INT_CONST_STRING)
820 DEF_EXT_FRONT_END_LIB_BUILTIN(BUILT_IN_PRINTF_UNLOCKED,
821 "__builtin_printf_unlocked",
822 BT_FN_INT_CONST_STRING_VAR,
823 ATTR_FORMAT_PRINTF_1_2)
825 /* stdio unlocked builtins (with FILE *). */
827 /* Declare the __builtin_ style with arguments and the regular style
828 without them. We rely on stdio.h to supply the arguments for the
829 regular style declaration since we had to use void* instead of
830 FILE* in the __builtin_ prototype supplied here. */
832 DEF_EXT_FALLBACK_BUILTIN(BUILT_IN_FPUTC_UNLOCKED,
833 "__builtin_fputc_unlocked",
835 DEF_BUILTIN (BUILT_IN_FPUTS_UNLOCKED,
836 "__builtin_fputs_unlocked",
838 BT_FN_INT_CONST_STRING_PTR,
840 true, true, true, ATTR_NOTHROW_LIST, true)
841 DEF_EXT_FALLBACK_BUILTIN(BUILT_IN_FWRITE_UNLOCKED,
842 "__builtin_fwrite_unlocked",
843 BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR)
844 DEF_EXT_FRONT_END_LIB_BUILTIN(BUILT_IN_FPRINTF_UNLOCKED,
845 "__builtin_fprintf_unlocked",
846 BT_FN_INT_PTR_CONST_STRING_VAR,
847 ATTR_FORMAT_PRINTF_2_3)
849 /* ISO C99 floating point unordered comparisons. */
850 DEF_GCC_BUILTIN(BUILT_IN_ISGREATER,
851 "__builtin_isgreater",
853 ATTR_CONST_NOTHROW_LIST)
854 DEF_GCC_BUILTIN(BUILT_IN_ISGREATEREQUAL,
855 "__builtin_isgreaterequal",
857 ATTR_CONST_NOTHROW_LIST)
858 DEF_GCC_BUILTIN(BUILT_IN_ISLESS,
861 ATTR_CONST_NOTHROW_LIST)
862 DEF_GCC_BUILTIN(BUILT_IN_ISLESSEQUAL,
863 "__builtin_islessequal",
865 ATTR_CONST_NOTHROW_LIST)
866 DEF_GCC_BUILTIN(BUILT_IN_ISLESSGREATER,
867 "__builtin_islessgreater",
869 ATTR_CONST_NOTHROW_LIST)
870 DEF_GCC_BUILTIN(BUILT_IN_ISUNORDERED,
871 "__builtin_isunordered",
873 ATTR_CONST_NOTHROW_LIST)
875 /* Various hooks for the DWARF 2 __throw routine. */
876 DEF_GCC_BUILTIN(BUILT_IN_UNWIND_INIT,
877 "__builtin_unwind_init",
880 DEF_GCC_BUILTIN(BUILT_IN_DWARF_CFA,
881 "__builtin_dwarf_cfa",
884 DEF_GCC_BUILTIN(BUILT_IN_DWARF_FP_REGNUM,
885 "__builtin_dwarf_fp_regnum",
888 DEF_GCC_BUILTIN(BUILT_IN_INIT_DWARF_REG_SIZES,
889 "__builtin_init_dwarf_reg_size_table",
892 DEF_GCC_BUILTIN(BUILT_IN_FROB_RETURN_ADDR,
893 "__builtin_frob_return_addr",
896 DEF_GCC_BUILTIN(BUILT_IN_EXTRACT_RETURN_ADDR,
897 "__builtin_extract_return_addr",
900 DEF_GCC_BUILTIN(BUILT_IN_EH_RETURN,
901 "__builtin_eh_return",
902 BT_FN_VOID_PTRMODE_PTR,
903 ATTR_NORETURN_NOTHROW_LIST)
904 DEF_GCC_BUILTIN(BUILT_IN_EH_RETURN_DATA_REGNO,
905 "__builtin_eh_return_data_regno",
909 /* Variable argument list (stdarg.h) support */
910 DEF_GCC_BUILTIN(BUILT_IN_VA_START,
911 "__builtin_va_start",
912 BT_FN_VOID_VALIST_REF_VAR,
914 DEF_GCC_BUILTIN(BUILT_IN_STDARG_START, /* backward compat */
915 "__builtin_stdarg_start",
916 BT_FN_VOID_VALIST_REF_VAR,
918 DEF_GCC_BUILTIN(BUILT_IN_VA_END,
920 BT_FN_VOID_VALIST_REF,
922 DEF_GCC_BUILTIN(BUILT_IN_VA_COPY,
924 BT_FN_VOID_VALIST_REF_VALIST_ARG,
927 DEF_GCC_BUILTIN(BUILT_IN_EXPECT,
929 BT_FN_LONG_LONG_LONG,
932 /* Declare abort, exit, _exit and _Exit */
933 DEF_LIB_BUILTIN(BUILT_IN_ABORT,
936 ATTR_NORETURN_NOTHROW_LIST)
937 DEF_LIB_BUILTIN(BUILT_IN_EXIT,
940 ATTR_NORETURN_NOTHROW_LIST)
941 DEF_EXT_LIB_BUILTIN(BUILT_IN__EXIT,
944 ATTR_NORETURN_NOTHROW_LIST)
945 DEF_C99_BUILTIN(BUILT_IN__EXIT2,
948 ATTR_NORETURN_NOTHROW_LIST)
950 /* Declare malloc, calloc and strdup. */
951 DEF_LIB_BUILTIN(BUILT_IN_MALLOC,
954 ATTR_MALLOC_NOTHROW_LIST)
956 DEF_LIB_BUILTIN(BUILT_IN_CALLOC,
959 ATTR_MALLOC_NOTHROW_LIST)
961 DEF_EXT_LIB_BUILTIN(BUILT_IN_STRDUP,
963 BT_FN_STRING_CONST_STRING,
964 ATTR_MALLOC_NOTHROW_LIST)