/* This file contains the definitions and documentation for the
builtins used in the GNU compiler.
- Copyright (C) 2000 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2001 Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
-
-DEF_BUILTIN(BUILT_IN_ALLOCA)
-DEF_BUILTIN(BUILT_IN_ABS)
-DEF_BUILTIN(BUILT_IN_FABS)
-DEF_BUILTIN(BUILT_IN_LABS)
-DEF_BUILTIN(BUILT_IN_LLABS)
-DEF_BUILTIN(BUILT_IN_FFS)
-DEF_BUILTIN(BUILT_IN_DIV)
-DEF_BUILTIN(BUILT_IN_LDIV)
-DEF_BUILTIN(BUILT_IN_FFLOOR)
-DEF_BUILTIN(BUILT_IN_FCEIL)
-DEF_BUILTIN(BUILT_IN_FMOD)
-DEF_BUILTIN(BUILT_IN_FREM)
-DEF_BUILTIN(BUILT_IN_MEMCPY)
-DEF_BUILTIN(BUILT_IN_MEMCMP)
-DEF_BUILTIN(BUILT_IN_MEMSET)
-DEF_BUILTIN(BUILT_IN_BZERO)
-DEF_BUILTIN(BUILT_IN_BCMP)
-DEF_BUILTIN(BUILT_IN_STRCPY)
-DEF_BUILTIN(BUILT_IN_STRCMP)
-DEF_BUILTIN(BUILT_IN_STRLEN)
-DEF_BUILTIN(BUILT_IN_STRSTR)
-DEF_BUILTIN(BUILT_IN_STRPBRK)
-DEF_BUILTIN(BUILT_IN_STRCHR)
-DEF_BUILTIN(BUILT_IN_FSQRT)
-DEF_BUILTIN(BUILT_IN_SIN)
-DEF_BUILTIN(BUILT_IN_COS)
-DEF_BUILTIN(BUILT_IN_GETEXP)
-DEF_BUILTIN(BUILT_IN_GETMAN)
-DEF_BUILTIN(BUILT_IN_SAVEREGS)
-DEF_BUILTIN(BUILT_IN_CLASSIFY_TYPE)
-DEF_BUILTIN(BUILT_IN_NEXT_ARG)
-DEF_BUILTIN(BUILT_IN_ARGS_INFO)
-DEF_BUILTIN(BUILT_IN_CONSTANT_P)
-DEF_BUILTIN(BUILT_IN_FRAME_ADDRESS)
-DEF_BUILTIN(BUILT_IN_RETURN_ADDRESS)
-DEF_BUILTIN(BUILT_IN_AGGREGATE_INCOMING_ADDRESS)
-DEF_BUILTIN(BUILT_IN_APPLY_ARGS)
-DEF_BUILTIN(BUILT_IN_APPLY)
-DEF_BUILTIN(BUILT_IN_RETURN)
-DEF_BUILTIN(BUILT_IN_SETJMP)
-DEF_BUILTIN(BUILT_IN_LONGJMP)
-DEF_BUILTIN(BUILT_IN_TRAP)
-
- /* Stdio builtins. */
-DEF_BUILTIN(BUILT_IN_PUTCHAR)
-DEF_BUILTIN(BUILT_IN_PUTS)
-DEF_BUILTIN(BUILT_IN_PRINTF)
-DEF_BUILTIN(BUILT_IN_FPUTC)
-DEF_BUILTIN(BUILT_IN_FPUTS)
-DEF_BUILTIN(BUILT_IN_FWRITE)
+along with GCC; see the file COPYING. If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA. */
+
+/* Before including this file, you should define a macro:
+
+ DEF_BUILTIN (ENUM, NAME, CLASS, TYPE, LIBTYPE, BOTH_P,
+ FALLBACK_P, NONANSI_P)
+
+ This macro will be called once for each builtin function. The
+ ENUM will be of type `enum built_in_function', and will indicate
+ which builtin function is being processed. The NAME of the builtin
+ function (which will always start with `__builtin_') is a string
+ literal. The CLASS is of type `enum built_in_class' and indicates
+ what kind of builtin is being processed.
+
+ Some builtins are actually two separate functions. For example,
+ for `strcmp' there are two builtin functions; `__builtin_strcmp'
+ and `strcmp' itself. Both behave identically. Other builtins
+ define only the `__builtin' variant. If BOTH_P is TRUE, then this
+ builtin has both variants; otherwise, it is has only the first
+ variant.
+
+ TYPE indicates the type of the function. The symbols correspond to
+ enumerals from builtin-types.def. If BOTH_P is true, then LIBTYPE
+ is the type of the non-`__builtin_' variant. Otherwise, LIBTYPE
+ should be ignored.
+
+ If FALLBACK_P is true then, if for some reason, the compiler cannot
+ expand the builtin function directly, it will call the
+ corresponding library function (which does not have the
+ `__builtin_' prefix.
+
+ If NONANSI_P is true, then the non-`__builtin_' variant is not an
+ ANSI/ISO library function, and so we should pretend it does not
+ exist when compiling in ANSI conformant mode. */
+
+/* A GCC builtin (like __builtin_saveregs) is provided by the
+ compiler, but does not correspond to a function in the standard
+ library. */
+#undef DEF_GCC_BUILTIN
+#define DEF_GCC_BUILTIN(ENUM, NAME, TYPE) \
+ DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, BT_LAST, \
+ false, false, false)
+
+
+/* A fallback builtin is a builtin (like __builtin_puts) that falls
+ back to the corresopnding library function if necessary -- but
+ for which we should not introduce the non-`__builtin' variant of
+ the name. */
+#undef DEF_FALLBACK_BUILTIN
+#define DEF_FALLBACK_BUILTIN(ENUM, NAME, TYPE) \
+ DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
+ false, true, false)
+
+/* A library builtin (like __builtin_strchr) is a builtin equivalent
+ of an ANSI/ISO standard library function. In addition to the
+ `__builtin' version, we will create an ordinary version (e.g,
+ `strchr') as well. If we cannot compute the answer using the
+ builtin function, we will fall back to the standard library
+ version. */
+#undef DEF_LIB_BUILTIN
+#define DEF_LIB_BUILTIN(ENUM, NAME, TYPE) \
+ DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
+ true, true, false)
+
+/* Like DEF_LIB_BUILTIN, except that a call to the builtin should
+ never fall back to the library version. */
+#undef DEF_LIB_ALWAYS_BUILTIN
+#define DEF_LIB_ALWAYS_BUILTIN(ENUM, NAME, TYPE) \
+ DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
+ true, false, true)
+
+/* Like DEF_LIB_BUILTIN, except that the function is not one that is
+ specified by ANSI/ISO C. So, when we're being fully conformant we
+ ignore the version of these builtins that does not begin with
+ __builtin. */
+#undef DEF_EXT_LIB_BUILTIN
+#define DEF_EXT_LIB_BUILTIN(ENUM, NAME, TYPE) \
+ DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
+ true, true, true)
+
+/* Like DEF_LIB_BUILTIN, except that the function is only a part of
+ the standard in C99 or above. */
+#undef DEF_C99_BUILTIN
+#define DEF_C99_BUILTIN(ENUM, NAME, TYPE) \
+ DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
+ true, !flag_isoc99, true)
+
+/* Like DEF_LIB_BUILTIN, except that the function is expanded in the
+ front-end. */
+#undef DEF_FRONT_END_LIB_BUILTIN
+#define DEF_FRONT_END_LIB_BUILTIN(ENUM, NAME, TYPE) \
+ DEF_BUILTIN (ENUM, NAME, BUILT_IN_FRONTEND, TYPE, TYPE, \
+ true, true, false)
+
+/* A built-in that is not currently used. */
+#undef DEF_UNUSED_BUILTIN
+#define DEF_UNUSED_BUILTIN(X) \
+ DEF_BUILTIN (X, (const char *) NULL, NOT_BUILT_IN, BT_LAST, \
+ BT_LAST, false, false, false)
+
+/* If SMALL_STACK is defined, then `alloca' is only defined in its
+ `__builtin' form. */
+#if SMALL_STACK
+DEF_FALLBACK_BUILTIN(BUILT_IN_ALLOCA,
+ "__builtin_alloca",
+ BT_FN_PTR_SIZE)
+#else
+DEF_EXT_LIB_BUILTIN(BUILT_IN_ALLOCA,
+ "__builtin_alloca",
+ BT_FN_PTR_SIZE)
+#endif
+
+DEF_LIB_ALWAYS_BUILTIN(BUILT_IN_ABS,
+ "__builtin_abs",
+ BT_FN_INT_INT)
+DEF_LIB_ALWAYS_BUILTIN(BUILT_IN_LABS,
+ "__builtin_labs",
+ BT_FN_LONG_LONG)
+
+DEF_LIB_ALWAYS_BUILTIN(BUILT_IN_FABS,
+ "__builtin_fabs",
+ BT_FN_DOUBLE_DOUBLE)
+DEF_LIB_ALWAYS_BUILTIN(BUILT_IN_FABSF,
+ "__builtin_fabsf",
+ BT_FN_FLOAT_FLOAT)
+DEF_LIB_ALWAYS_BUILTIN(BUILT_IN_FABSL,
+ "__builtin_fabsl",
+ BT_FN_LONG_DOUBLE_LONG_DOUBLE)
+
+DEF_C99_BUILTIN(BUILT_IN_LLABS,
+ "__builtin_llabs",
+ BT_FN_LONGLONG_LONGLONG)
+DEF_C99_BUILTIN(BUILT_IN_IMAXABS,
+ "__builtin_imaxabs",
+ BT_FN_INTMAX_INTMAX)
+DEF_C99_BUILTIN(BUILT_IN_CONJ,
+ "__builtin_conj",
+ BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE)
+DEF_C99_BUILTIN(BUILT_IN_CONJF,
+ "__builtin_conjf",
+ BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT)
+DEF_C99_BUILTIN(BUILT_IN_CONJL,
+ "__builtin_conjl",
+ BT_FN_COMPLEX_LONG_DOUBLE_COMPLEX_LONG_DOUBLE)
+DEF_C99_BUILTIN(BUILT_IN_CREAL,
+ "__builtin_creal",
+ BT_FN_DOUBLE_COMPLEX_DOUBLE)
+DEF_C99_BUILTIN(BUILT_IN_CREALF,
+ "__builtin_crealf",
+ BT_FN_FLOAT_COMPLEX_FLOAT)
+DEF_C99_BUILTIN(BUILT_IN_CREALL,
+ "__builtin_creall",
+ BT_FN_LONG_DOUBLE_COMPLEX_LONG_DOUBLE)
+DEF_C99_BUILTIN(BUILT_IN_CIMAG,
+ "__builtin_cimag",
+ BT_FN_DOUBLE_COMPLEX_DOUBLE)
+DEF_C99_BUILTIN(BUILT_IN_CIMAGF,
+ "__builtin_cimagf",
+ BT_FN_FLOAT_COMPLEX_FLOAT)
+DEF_C99_BUILTIN(BUILT_IN_CIMAGL,
+ "__builtin_cimagl",
+ BT_FN_LONG_DOUBLE_COMPLEX_LONG_DOUBLE)
+
+DEF_UNUSED_BUILTIN(BUILT_IN_DIV)
+DEF_UNUSED_BUILTIN(BUILT_IN_LDIV)
+DEF_UNUSED_BUILTIN(BUILT_IN_FFLOOR)
+DEF_UNUSED_BUILTIN(BUILT_IN_FCEIL)
+DEF_UNUSED_BUILTIN(BUILT_IN_FMOD)
+DEF_UNUSED_BUILTIN(BUILT_IN_FREM)
+
+/* The system prototypes for `bzero' and `bcmp' functions have many
+ variations, so don't specify parameters to avoid conflicts. The
+ expand_* functions check the argument types anyway. */
+DEF_BUILTIN (BUILT_IN_BZERO,
+ "__builtin_bzero",
+ BUILT_IN_NORMAL,
+ BT_FN_VOID_TRAD_PTR_LEN,
+ BT_FN_VOID_VAR,
+ true, true, true)
+DEF_BUILTIN (BUILT_IN_BCMP,
+ "__builtin_bcmp",
+ BUILT_IN_NORMAL,
+ BT_FN_INT_TRAD_CONST_PTR_TRAD_CONST_PTR_LEN,
+ BT_FN_INT_VAR,
+ true, true, true)
+
+DEF_EXT_LIB_BUILTIN(BUILT_IN_FFS,
+ "__builtin_ffs",
+ BT_FN_INT_INT)
+DEF_EXT_LIB_BUILTIN(BUILT_IN_INDEX,
+ "__builtin_index",
+ BT_FN_STRING_CONST_STRING_INT)
+DEF_EXT_LIB_BUILTIN(BUILT_IN_RINDEX,
+ "__builtin_rindex",
+ BT_FN_STRING_CONST_STRING_INT)
+
+DEF_LIB_BUILTIN(BUILT_IN_MEMCPY,
+ "__builtin_memcpy",
+ BT_FN_TRAD_PTR_PTR_CONST_PTR_SIZE)
+DEF_LIB_BUILTIN(BUILT_IN_MEMCMP,
+ "__builtin_memcmp",
+ BT_FN_INT_CONST_PTR_CONST_PTR_SIZE)
+DEF_LIB_BUILTIN(BUILT_IN_MEMSET,
+ "__builtin_memset",
+ BT_FN_TRAD_PTR_PTR_INT_SIZE)
+
+DEF_LIB_BUILTIN(BUILT_IN_STRCAT,
+ "__builtin_strcat",
+ BT_FN_STRING_STRING_CONST_STRING)
+DEF_LIB_BUILTIN(BUILT_IN_STRNCAT,
+ "__builtin_strncat",
+ BT_FN_STRING_STRING_CONST_STRING_SIZE)
+DEF_LIB_BUILTIN(BUILT_IN_STRCPY,
+ "__builtin_strcpy",
+ BT_FN_STRING_STRING_CONST_STRING)
+DEF_LIB_BUILTIN(BUILT_IN_STRNCPY,
+ "__builtin_strncpy",
+ BT_FN_STRING_STRING_CONST_STRING_SIZE)
+DEF_LIB_BUILTIN(BUILT_IN_STRCMP,
+ "__builtin_strcmp",
+ BT_FN_INT_CONST_STRING_CONST_STRING)
+DEF_LIB_BUILTIN(BUILT_IN_STRNCMP,
+ "__builtin_strncmp",
+ BT_FN_INT_CONST_STRING_CONST_STRING_SIZE)
+DEF_LIB_BUILTIN(BUILT_IN_STRLEN,
+ "__builtin_strlen",
+ BT_FN_LEN_CONST_STRING)
+DEF_LIB_BUILTIN(BUILT_IN_STRSTR,
+ "__builtin_strstr",
+ BT_FN_STRING_CONST_STRING_CONST_STRING)
+DEF_LIB_BUILTIN(BUILT_IN_STRPBRK,
+ "__builtin_strpbrk",
+ BT_FN_STRING_CONST_STRING_CONST_STRING)
+DEF_LIB_BUILTIN(BUILT_IN_STRSPN,
+ "__builtin_strspn",
+ BT_FN_SIZE_CONST_STRING_CONST_STRING)
+DEF_LIB_BUILTIN(BUILT_IN_STRCSPN,
+ "__builtin_strcspn",
+ BT_FN_SIZE_CONST_STRING_CONST_STRING)
+DEF_LIB_BUILTIN(BUILT_IN_STRCHR,
+ "__builtin_strchr",
+ BT_FN_STRING_CONST_STRING_INT)
+DEF_LIB_BUILTIN(BUILT_IN_STRRCHR,
+ "__builtin_strrchr",
+ BT_FN_STRING_CONST_STRING_INT)
+
+DEF_LIB_BUILTIN(BUILT_IN_FSQRT,
+ "__builtin_fsqrt",
+ BT_FN_DOUBLE_DOUBLE)
+DEF_LIB_BUILTIN(BUILT_IN_SIN,
+ "__builtin_sin",
+ BT_FN_DOUBLE_DOUBLE)
+DEF_LIB_BUILTIN(BUILT_IN_COS,
+ "__builtin_cos",
+ BT_FN_DOUBLE_DOUBLE)
+DEF_LIB_BUILTIN(BUILT_IN_SQRTF,
+ "__builtin_sqrtf",
+ BT_FN_FLOAT_FLOAT)
+DEF_LIB_BUILTIN(BUILT_IN_SINF,
+ "__builtin_sinf",
+ BT_FN_FLOAT_FLOAT)
+DEF_LIB_BUILTIN(BUILT_IN_COSF,
+ "__builtin_cosf",
+ BT_FN_FLOAT_FLOAT)
+DEF_LIB_BUILTIN(BUILT_IN_SQRTL,
+ "__builtin_sqrtl",
+ BT_FN_LONG_DOUBLE_LONG_DOUBLE)
+DEF_LIB_BUILTIN(BUILT_IN_SINL,
+ "__builtin_sinl",
+ BT_FN_LONG_DOUBLE_LONG_DOUBLE)
+DEF_LIB_BUILTIN(BUILT_IN_COSL,
+ "__builtin_cosl",
+ BT_FN_LONG_DOUBLE_LONG_DOUBLE)
+
+DEF_UNUSED_BUILTIN(BUILT_IN_GETEXP)
+DEF_UNUSED_BUILTIN(BUILT_IN_GETMAN)
+
+DEF_GCC_BUILTIN(BUILT_IN_SAVEREGS,
+ "__builtin_saveregs",
+ BT_FN_PTR_VAR)
+DEF_GCC_BUILTIN(BUILT_IN_CLASSIFY_TYPE,
+ "__builtin_classify_type",
+ BT_FN_INT_VAR)
+DEF_GCC_BUILTIN(BUILT_IN_NEXT_ARG,
+ "__builtin_next_arg",
+ BT_FN_PTR_VAR)
+DEF_GCC_BUILTIN(BUILT_IN_ARGS_INFO,
+ "__builtin_args_info",
+ BT_FN_INT_INT)
+DEF_GCC_BUILTIN(BUILT_IN_CONSTANT_P,
+ "__builtin_constant_p",
+ BT_FN_INT_VAR)
+DEF_GCC_BUILTIN(BUILT_IN_FRAME_ADDRESS,
+ "__builtin_frame_address",
+ BT_FN_PTR_UNSIGNED)
+DEF_GCC_BUILTIN(BUILT_IN_RETURN_ADDRESS,
+ "__builtin_return_address",
+ BT_FN_PTR_UNSIGNED)
+DEF_GCC_BUILTIN(BUILT_IN_AGGREGATE_INCOMING_ADDRESS,
+ "__builtin_aggregate_incoming_address",
+ BT_FN_PTR_VAR)
+DEF_GCC_BUILTIN(BUILT_IN_APPLY_ARGS,
+ "__builtin_apply_args",
+ BT_FN_PTR_VAR)
+DEF_GCC_BUILTIN(BUILT_IN_APPLY,
+ "__builtin_apply",
+ BT_FN_PTR_PTR_FN_VOID_VAR_PTR_SIZE)
+DEF_GCC_BUILTIN(BUILT_IN_RETURN,
+ "__builtin_return",
+ BT_FN_VOID_PTR)
+DEF_GCC_BUILTIN(BUILT_IN_SETJMP,
+ "__builtin_setjmp",
+ BT_FN_INT_PTR)
+DEF_GCC_BUILTIN(BUILT_IN_LONGJMP,
+ "__builtin_longjmp",
+ BT_FN_VOID_PTR_INT)
+DEF_GCC_BUILTIN(BUILT_IN_TRAP,
+ "__builtin_trap",
+ BT_FN_VOID)
+
+/* Stdio builtins. */
+DEF_FALLBACK_BUILTIN(BUILT_IN_PUTCHAR,
+ "__builtin_putchar",
+ BT_FN_INT_INT)
+DEF_FALLBACK_BUILTIN(BUILT_IN_PUTS,
+ "__builtin_puts",
+ BT_FN_INT_CONST_STRING)
+DEF_FRONT_END_LIB_BUILTIN(BUILT_IN_PRINTF,
+ "__builtin_printf",
+ BT_FN_INT_CONST_STRING_VAR)
+DEF_FALLBACK_BUILTIN(BUILT_IN_FPUTC,
+ "__builtin_fputc",
+ BT_FN_INT_INT_PTR)
+/* Declare the __builtin_ style with arguments and the regular style
+ without them. We rely on stdio.h to supply the arguments for the
+ regular style declaration since we had to use void* instead of
+ FILE* in the __builtin_ prototype supplied here. */
+DEF_BUILTIN (BUILT_IN_FPUTS,
+ "__builtin_fputs",
+ BUILT_IN_NORMAL,
+ BT_FN_INT_CONST_STRING_PTR,
+ BT_FN_INT_VAR,
+ true, true, false)
+DEF_FALLBACK_BUILTIN(BUILT_IN_FWRITE,
+ "__builtin_fwrite",
+ BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR)
+DEF_FRONT_END_LIB_BUILTIN(BUILT_IN_FPRINTF,
+ "__builtin_fprintf",
+ BT_FN_INT_PTR_CONST_STRING_VAR)
/* ISO C99 floating point unordered comparisons. */
-DEF_BUILTIN(BUILT_IN_ISGREATER)
-DEF_BUILTIN(BUILT_IN_ISGREATEREQUAL)
-DEF_BUILTIN(BUILT_IN_ISLESS)
-DEF_BUILTIN(BUILT_IN_ISLESSEQUAL)
-DEF_BUILTIN(BUILT_IN_ISLESSGREATER)
-DEF_BUILTIN(BUILT_IN_ISUNORDERED)
-
- /* Various hooks for the DWARF 2 __throw routine. */
-DEF_BUILTIN(BUILT_IN_UNWIND_INIT)
-DEF_BUILTIN(BUILT_IN_DWARF_CFA)
-DEF_BUILTIN(BUILT_IN_DWARF_FP_REGNUM)
-DEF_BUILTIN(BUILT_IN_INIT_DWARF_REG_SIZES)
-DEF_BUILTIN(BUILT_IN_FROB_RETURN_ADDR)
-DEF_BUILTIN(BUILT_IN_EXTRACT_RETURN_ADDR)
-DEF_BUILTIN(BUILT_IN_EH_RETURN)
-
-DEF_BUILTIN(BUILT_IN_VARARGS_START)
-DEF_BUILTIN(BUILT_IN_STDARG_START)
-DEF_BUILTIN(BUILT_IN_VA_END)
-DEF_BUILTIN(BUILT_IN_VA_COPY)
-DEF_BUILTIN(BUILT_IN_EXPECT)
-
- /* C++ extensions */
-DEF_BUILTIN(BUILT_IN_NEW)
-DEF_BUILTIN(BUILT_IN_VEC_NEW)
-DEF_BUILTIN(BUILT_IN_DELETE)
-DEF_BUILTIN(BUILT_IN_VEC_DELETE)
+DEF_GCC_BUILTIN(BUILT_IN_ISGREATER,
+ "__builtin_isgreater",
+ BT_FN_INT_VAR)
+DEF_GCC_BUILTIN(BUILT_IN_ISGREATEREQUAL,
+ "__builtin_isgreaterequal",
+ BT_FN_INT_VAR)
+DEF_GCC_BUILTIN(BUILT_IN_ISLESS,
+ "__builtin_isless",
+ BT_FN_INT_VAR)
+DEF_GCC_BUILTIN(BUILT_IN_ISLESSEQUAL,
+ "__builtin_islessequal",
+ BT_FN_INT_VAR)
+DEF_GCC_BUILTIN(BUILT_IN_ISLESSGREATER,
+ "__builtin_islessgreater",
+ BT_FN_INT_VAR)
+DEF_GCC_BUILTIN(BUILT_IN_ISUNORDERED,
+ "__builtin_isunordered",
+ BT_FN_INT_VAR)
+
+/* Various hooks for the DWARF 2 __throw routine. */
+DEF_GCC_BUILTIN(BUILT_IN_UNWIND_INIT,
+ "__builtin_unwind_init",
+ BT_FN_VOID)
+DEF_GCC_BUILTIN(BUILT_IN_DWARF_CFA,
+ "__builtin_dwarf_cfa",
+ BT_FN_PTR)
+DEF_GCC_BUILTIN(BUILT_IN_DWARF_FP_REGNUM,
+ "__builtin_dwarf_fp_regnum",
+ BT_FN_UNSIGNED)
+DEF_GCC_BUILTIN(BUILT_IN_INIT_DWARF_REG_SIZES,
+ "__builtin_init_dwarf_reg_size_table",
+ BT_FN_VOID_PTR)
+DEF_GCC_BUILTIN(BUILT_IN_FROB_RETURN_ADDR,
+ "__builtin_frob_return_addr",
+ BT_FN_PTR_PTR)
+DEF_GCC_BUILTIN(BUILT_IN_EXTRACT_RETURN_ADDR,
+ "__builtin_extract_return_addr",
+ BT_FN_PTR_PTR)
+DEF_GCC_BUILTIN(BUILT_IN_EH_RETURN,
+ "__builtin_eh_return",
+ BT_FN_VOID_PTRMODE_PTR)
+DEF_GCC_BUILTIN(BUILT_IN_EH_RETURN_DATA_REGNO,
+ "__builtin_eh_return_data_regno",
+ BT_FN_INT_INT)
+
+DEF_GCC_BUILTIN(BUILT_IN_VARARGS_START,
+ "__builtin_varargs_start",
+ BT_FN_VOID_VALIST_REF)
+DEF_GCC_BUILTIN(BUILT_IN_STDARG_START,
+ "__builtin_stdarg_start",
+ BT_FN_VOID_VALIST_REF_VAR)
+DEF_GCC_BUILTIN(BUILT_IN_VA_END,
+ "__builtin_va_end",
+ BT_FN_VOID_VALIST_REF)
+DEF_GCC_BUILTIN(BUILT_IN_VA_COPY,
+ "__builtin_va_copy",
+ BT_FN_VOID_VALIST_REF_VALIST_ARG)
+DEF_GCC_BUILTIN(BUILT_IN_EXPECT,
+ "__builtin_expect",
+ BT_FN_LONG_LONG_LONG)
+
+/* C++ extensions */
+DEF_UNUSED_BUILTIN(BUILT_IN_NEW)
+DEF_UNUSED_BUILTIN(BUILT_IN_VEC_NEW)
+DEF_UNUSED_BUILTIN(BUILT_IN_DELETE)
+DEF_UNUSED_BUILTIN(BUILT_IN_VEC_DELETE)
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