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builtins.def (BUILT_IN_ALLOCA): Remove "#if SMALL_STACK" form.

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* builtins.def (BUILT_IN_ALLOCA): Remove "#if SMALL_STACK" form.
	* system.h (SMALL_STACK): Poison obsolete target macro.
	* doc/tm.texi (SMALL_STACK): Remove target macro documentation.

From-SVN: r69609
This commit is contained in:
Roger Sayle 2003-07-20 16:29:57 +00:00 committed by Roger Sayle
parent 8a199ff68b
commit 6a6c0154f8
4 changed files with 7 additions and 16 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2003-07-20 Roger Sayle <roger@eyesopen.com>
* builtins.def (BUILT_IN_ALLOCA): Remove "#if SMALL_STACK" form.
* system.h (SMALL_STACK): Poison obsolete target macro.
* doc/tm.texi (SMALL_STACK): Remove target macro documentation.
2003-07-20 Phil Edwards <pme@gcc.gnu.org>
* configure.in: Cache the results of testing for cmp's capabilities.

9
gcc/builtins.def
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@ -140,19 +140,10 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
DEF_BUILTIN (ENUM, NAME, BUILT_IN_FRONTEND, TYPE, TYPE, \
true, true, true, ATTRS, true)
/* 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,
ATTR_MALLOC_NOTHROW_LIST)
#else
DEF_EXT_LIB_BUILTIN(BUILT_IN_ALLOCA,
"__builtin_alloca",
BT_FN_PTR_SIZE,
ATTR_MALLOC_NOTHROW_LIST)
#endif
DEF_LIB_BUILTIN(BUILT_IN_ABS,
"__builtin_abs",

6
gcc/doc/tm.texi
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@ -2936,12 +2936,6 @@ want to support call frame debugging information like that provided by
DWARF 2.
@end defmac
@defmac SMALL_STACK
Define this macro if the stack size for the target is very small. This
has the effect of disabling gcc's built-in @samp{alloca}, though
@samp{__builtin_alloca} is not affected.
@end defmac
@node Exception Handling
@subsection Exception Handling Support
@cindex exception handling

2
gcc/system.h
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@ -592,7 +592,7 @@ typedef char _Bool;
headers and were not used, and may be obsolete or may never have
been used. */
#pragma GCC poison INT_ASM_OP ASM_OUTPUT_EH_REGION_BEG CPP_PREDEFINES \
ASM_OUTPUT_EH_REGION_END ASM_OUTPUT_LABELREF_AS_INT \
ASM_OUTPUT_EH_REGION_END ASM_OUTPUT_LABELREF_AS_INT SMALL_STACK \
DOESNT_NEED_UNWINDER EH_TABLE_LOOKUP OBJC_SELECTORS_WITHOUT_LABELS \
OMIT_EH_TABLE EASY_DIV_EXPR IMPLICIT_FIX_EXPR \
LONGJMP_RESTORE_FROM_STACK MAX_INT_TYPE_SIZE ASM_IDENTIFY_GCC \