builtins.def (DEF_FALLBACK_BUILTIN): Delete.
* builtins.def (DEF_FALLBACK_BUILTIN): Delete. (DEF_EXT_FALLBACK_BUILTIN): Delete. (BUILT_IN_BZERO, BUILT_IN_BCOPY, BUILT_IN_BCMP): Declare using the regular DEF_EXT_LIB_BUILTIN macro. (BUILT_IN_FPUTC, BUILT_IN_FPUTS, BUILT_IN_FWRITE): Declare using the regular DEF_LIB_BUILTIN macro. (BUILT_IN_PUTCHAR_UNLOCKED, BUILT_IN_PUTS_UNLOCKED, BUILT_IN_FPUTC_UNLOCKED, BUILT_IN_FPUTS_UNLOCKED, BUILT_IN_FWRITE_UNLOCKED): Declare using the regular DEF_EXT_LIB_BUILTIN macro. * c-decl.c (duplicate_decls): Remove code to handle builtin functions prototyped without an argument list. From-SVN: r69814
This commit is contained in:
Roger Sayle
Roger Sayle
parent
92e7a6efaf
commit
cc42f5f54c
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@ -1,3 +1,19 @@
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2003-07-26 Roger Sayle <roger@eyesopen.com>
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* builtins.def (DEF_FALLBACK_BUILTIN): Delete.
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(DEF_EXT_FALLBACK_BUILTIN): Delete.
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(BUILT_IN_BZERO, BUILT_IN_BCOPY, BUILT_IN_BCMP): Declare using
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the regular DEF_EXT_LIB_BUILTIN macro.
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(BUILT_IN_FPUTC, BUILT_IN_FPUTS, BUILT_IN_FWRITE): Declare using
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the regular DEF_LIB_BUILTIN macro.
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(BUILT_IN_PUTCHAR_UNLOCKED, BUILT_IN_PUTS_UNLOCKED,
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BUILT_IN_FPUTC_UNLOCKED, BUILT_IN_FPUTS_UNLOCKED,
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BUILT_IN_FWRITE_UNLOCKED): Declare using the regular
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DEF_EXT_LIB_BUILTIN macro.
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* c-decl.c (duplicate_decls): Remove code to handle builtin
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functions prototyped without an argument list.
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2003-07-26 Danny Smith <dannysmith@users.sourceforge.net>
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* config/i386/winnt.c: Revert 2003-07-08 change.
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124
gcc/builtins.def
124
gcc/builtins.def
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@ -70,24 +70,6 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, BT_LAST, \
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false, false, false, ATTRS, true)
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/* A fallback builtin is a builtin (like __builtin_puts) that falls
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back to the corresponding library function if necessary -- but
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for which we should not introduce the non-`__builtin' variant of
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the name. */
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#undef DEF_FALLBACK_BUILTIN
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#define DEF_FALLBACK_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
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DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
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false, true, false, ATTRS, true)
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/* Like DEF_FALLBACK_BUILTIN, except that the function is not one that
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is specified by ANSI/ISO C. So, when we're being fully conformant
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we ignore the version of these builtins that does not begin with
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__builtin. */
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#undef DEF_EXT_FALLBACK_BUILTIN
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#define DEF_EXT_FALLBACK_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
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DEF_BUILTIN (ENUM, NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
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false, true, true, ATTRS, true)
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/* A library builtin (like __builtin_strchr) is a builtin equivalent
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of an ANSI/ISO standard library function. In addition to the
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`__builtin' version, we will create an ordinary version (e.g,
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@ -273,33 +255,20 @@ DEF_C99_BUILTIN(BUILT_IN_CABSL,
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BT_FN_LONG_DOUBLE_COMPLEX_LONG_DOUBLE,
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ATTR_CONST_NOTHROW_LIST)
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/* The system prototypes for `bzero', 'bcopy' and `bcmp' functions
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have many variations, so don't specify parameters to avoid
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conflicts. The expand_* functions check the argument types anyway.
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In addition, these functions have traditionally accepted NULL
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pointers when the length parameter is zero, so don't apply
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attribute "nonnull". */
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DEF_BUILTIN (BUILT_IN_BZERO,
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"__builtin_bzero",
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BUILT_IN_NORMAL,
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BT_FN_VOID_PTR_SIZE,
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BT_FN_VOID_VAR,
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true, true, true,
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ATTR_NOTHROW_LIST, false)
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DEF_BUILTIN (BUILT_IN_BCOPY,
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"__builtin_bcopy",
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BUILT_IN_NORMAL,
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BT_FN_VOID_CONST_PTR_PTR_SIZE,
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BT_FN_VOID_VAR,
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true, true, true,
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ATTR_NOTHROW_LIST, false)
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DEF_BUILTIN (BUILT_IN_BCMP,
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"__builtin_bcmp",
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BUILT_IN_NORMAL,
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BT_FN_INT_CONST_PTR_CONST_PTR_SIZE,
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BT_FN_INT_VAR,
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true, true, true,
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ATTR_PURE_NOTHROW_LIST, false)
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/* These functions have traditionally accepted NULL pointers when the
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length parameter is zero, so don't apply attribute "nonnull". */
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DEF_EXT_LIB_BUILTIN(BUILT_IN_BZERO,
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"__builtin_bzero",
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BT_FN_VOID_PTR_SIZE,
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ATTR_NOTHROW_LIST)
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DEF_EXT_LIB_BUILTIN(BUILT_IN_BCOPY,
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"__builtin_bcopy",
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BT_FN_VOID_CONST_PTR_PTR_SIZE,
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ATTR_NOTHROW_LIST)
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DEF_EXT_LIB_BUILTIN(BUILT_IN_BCMP,
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"__builtin_bcmp",
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BT_FN_INT_CONST_PTR_CONST_PTR_SIZE,
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ATTR_PURE_NOTHROW_LIST)
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DEF_EXT_LIB_BUILTIN(BUILT_IN_FFS,
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"__builtin_ffs",
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@ -810,20 +779,18 @@ DEF_LIB_BUILTIN(BUILT_IN_VSPRINTF,
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regular style declaration since we had to use void* instead of
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FILE* in the __builtin_ prototype supplied here. */
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DEF_FALLBACK_BUILTIN(BUILT_IN_FPUTC,
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"__builtin_fputc",
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BT_FN_INT_INT_PTR,
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ATTR_NOTHROW_NONNULL_2)
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DEF_BUILTIN (BUILT_IN_FPUTS,
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"__builtin_fputs",
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BUILT_IN_NORMAL,
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BT_FN_INT_CONST_STRING_PTR,
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BT_FN_INT_VAR,
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true, true, false, ATTR_NOTHROW_NONNULL_1_2, true)
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DEF_FALLBACK_BUILTIN(BUILT_IN_FWRITE,
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"__builtin_fwrite",
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BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR,
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ATTR_NOTHROW_NONNULL_1_4)
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DEF_LIB_BUILTIN(BUILT_IN_FPUTC,
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"__builtin_fputc",
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BT_FN_INT_INT_PTR,
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ATTR_NOTHROW_NONNULL_2)
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DEF_LIB_BUILTIN(BUILT_IN_FPUTS,
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"__builtin_fputs",
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BT_FN_INT_CONST_STRING_PTR,
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ATTR_NOTHROW_NONNULL_1_2)
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DEF_LIB_BUILTIN(BUILT_IN_FWRITE,
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"__builtin_fwrite",
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BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR,
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ATTR_NOTHROW_NONNULL_1_4)
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DEF_LIB_BUILTIN(BUILT_IN_FPRINTF,
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"__builtin_fprintf",
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BT_FN_INT_PTR_CONST_STRING_VAR,
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@ -831,12 +798,14 @@ DEF_LIB_BUILTIN(BUILT_IN_FPRINTF,
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/* stdio unlocked builtins (without FILE *). */
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DEF_EXT_FALLBACK_BUILTIN(BUILT_IN_PUTCHAR_UNLOCKED,
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"__builtin_putchar_unlocked",
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BT_FN_INT_INT, ATTR_NOTHROW_LIST)
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DEF_EXT_FALLBACK_BUILTIN(BUILT_IN_PUTS_UNLOCKED,
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"__builtin_puts_unlocked",
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BT_FN_INT_CONST_STRING, ATTR_NOTHROW_NONNULL_1)
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DEF_EXT_LIB_BUILTIN(BUILT_IN_PUTCHAR_UNLOCKED,
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"__builtin_putchar_unlocked",
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BT_FN_INT_INT,
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ATTR_NOTHROW_LIST)
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DEF_EXT_LIB_BUILTIN(BUILT_IN_PUTS_UNLOCKED,
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"__builtin_puts_unlocked",
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BT_FN_INT_CONST_STRING,
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ATTR_NOTHROW_NONNULL_1)
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DEF_EXT_LIB_BUILTIN(BUILT_IN_PRINTF_UNLOCKED,
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"__builtin_printf_unlocked",
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BT_FN_INT_CONST_STRING_VAR,
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@ -849,19 +818,18 @@ DEF_EXT_LIB_BUILTIN(BUILT_IN_PRINTF_UNLOCKED,
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regular style declaration since we had to use void* instead of
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FILE* in the __builtin_ prototype supplied here. */
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DEF_EXT_FALLBACK_BUILTIN(BUILT_IN_FPUTC_UNLOCKED,
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"__builtin_fputc_unlocked",
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BT_FN_INT_INT_PTR, ATTR_NOTHROW_NONNULL_2)
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DEF_BUILTIN (BUILT_IN_FPUTS_UNLOCKED,
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"__builtin_fputs_unlocked",
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BUILT_IN_NORMAL,
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BT_FN_INT_CONST_STRING_PTR,
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BT_FN_INT_VAR,
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true, true, true, ATTR_NOTHROW_NONNULL_1_2, true)
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DEF_EXT_FALLBACK_BUILTIN(BUILT_IN_FWRITE_UNLOCKED,
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"__builtin_fwrite_unlocked",
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BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR,
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ATTR_NOTHROW_NONNULL_1_4)
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DEF_EXT_LIB_BUILTIN(BUILT_IN_FPUTC_UNLOCKED,
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"__builtin_fputc_unlocked",
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BT_FN_INT_INT_PTR,
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ATTR_NOTHROW_NONNULL_2)
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DEF_EXT_LIB_BUILTIN(BUILT_IN_FPUTS_UNLOCKED,
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"__builtin_fputs_unlocked",
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BT_FN_INT_CONST_STRING_PTR,
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ATTR_NOTHROW_NONNULL_1_2)
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DEF_EXT_LIB_BUILTIN(BUILT_IN_FWRITE_UNLOCKED,
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"__builtin_fwrite_unlocked",
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BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR,
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ATTR_NOTHROW_NONNULL_1_4)
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DEF_EXT_LIB_BUILTIN(BUILT_IN_FPRINTF_UNLOCKED,
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"__builtin_fprintf_unlocked",
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BT_FN_INT_PTR_CONST_STRING_VAR,
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18
gcc/c-decl.c
18
gcc/c-decl.c
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@ -861,7 +861,7 @@ duplicate_decls (tree newdecl, tree olddecl, int different_binding_level,
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/* Discard the old built-in function. */
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return 0;
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}
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else if (!types_match)
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if (!types_match)
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{
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/* Accept harmless mismatch in function types.
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This is for the ffs and fprintf builtins. */
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@ -876,22 +876,6 @@ duplicate_decls (tree newdecl, tree olddecl, int different_binding_level,
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TREE_TYPE (olddecl) = oldtype;
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}
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}
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else if (TYPE_ARG_TYPES (oldtype) == NULL
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&& TYPE_ARG_TYPES (newtype) != NULL)
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{
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/* For bcmp, bzero, fputs the builtin type has arguments not
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specified. Use the ones from the prototype so that type checking
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is done for them. */
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tree trytype
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= build_function_type (TREE_TYPE (oldtype),
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TYPE_ARG_TYPES (newtype));
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trytype = build_type_attribute_variant (trytype,
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TYPE_ATTRIBUTES (oldtype));
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oldtype = trytype;
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if (! different_binding_level)
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TREE_TYPE (olddecl) = oldtype;
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}
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if (!types_match)
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{
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/* If types don't match for a built-in, throw away the built-in. */
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