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10e4d79a19
* acconfig.h: Add _HAVE_CC_INHIBIT_LOOP_TO_LIBCALL.
* newlib.hin: Ditto.
* configure: Regenerate.
* configure.in: Add setting of _HAVE_CC_INHIBIT_LOOP_TO_LIBCALL.
* libc/string/local.h: Add check for _HAVE_CC_INHIBIT_LOOP_TO_LIBCALL
and set __inhibit_loop_to_libcall macro appropriately.
* libc/string/memmove.c: Use __inhibit_loop_to_libcall macro in
function declaration.
* libc/string/memset.c: Ditto.
25 lines
677 B
C
25 lines
677 B
C
#include <_ansi.h>
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#include <../ctype/local.h>
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/* internal function to compute width of wide char. */
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int _EXFUN (__wcwidth, (wint_t));
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/* Defined in locale/locale.c. Returns a value != 0 if the current
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language is assumed to use CJK fonts. */
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int __locale_cjk_lang ();
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/*
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Taken from glibc:
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Add the compiler optimization to inhibit loop transformation to library
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calls. This is used to avoid recursive calls in memset and memmove
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default implementations.
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*/
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#ifdef _HAVE_CC_INHIBIT_LOOP_TO_LIBCALL
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# define __inhibit_loop_to_libcall \
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__attribute__ ((__optimize__ ("-fno-tree-loop-distribute-patterns")))
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#else
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# define __inhibit_loop_to_libcall
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#endif
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