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| author | Ulrich Drepper <drepper@redhat.com> | 2004-05-28 06:56:51 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-05-28 06:56:51 +0000 |
| commit | 3dbfd8117c2d109b63e5bec1e4952aab40d19660 (patch) | |
| tree | 056bec6d4cb34ebd2024c2b28443aed49f4a6c52 /string/bits/string2.h | |
| parent | 44809672d3d71c8fc2d779e1d7ddbd5ca5a02f88 (diff) | |
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Update.
2004-05-27 Jakub Jelinek <jakub@redhat.com>
* sysdeps/i386/fpu/bits/mathinline.h (__expm1_code): Define using
__builtin_expm1l for GCC 3.5+.
(__expl): Define using __builtin_expl for GCC 3.4+.
(exp, expf, expl): Don't define for GCC 3.4+.
(tan, tanf, tanl): Don't define for GCC 3.5+.
(__atan2l): Define using __builtin_atan2l for GCC 3.4+.
(atan2, atan2f, atan2l): Don't define for GCC 3.4+ or !__FAST_MATH__.
(fmod, fmodf, fmodl): Don't define for GCC 3.5+ or !__FAST_MATH__.
(fabsf, fabsl): Only provide if __USE_MISC or __USE_ISOC99.
(sin, sinf, sinl, cos, cosf, cosl, log, logf, logl): Don't define
for GCC 3.4+.
(log10, log10f, log10l, asin, asinf, asinl, acos, acosf, acosl):
Don't define for GCC 3.5+.
(atan, atanf, atanl): Don't define for GCC 3.4+ or !__FAST_MATH__.
(log1p, log1pf, log1pl, logb, logbf, logbl, log2, log2f, log2l): Don't
define for GCC 3.5+.
(drem, dremf, dreml): Don't define for GCC 3.5+ or !__FAST_MATH__.
* sysdeps/sparc/fpu/bits/mathinline.h (sqrt, sqrtf, sqrtl): Don't
define for GCC 3.2+.
2004-05-27 Jakub Jelinek <jakub@redhat.com>
* string/bits/string2.h (__bzero): Define even for GCC 3.0+.
* sysdeps/alpha/stpcpy.S (stpcpy): Add libc_hidden_builtin_def.
* sysdeps/alpha/alphaev67/stpcpy.S (stpcpy): Likewise.
* sysdeps/powerpc/powerpc32/stpcpy.S (stpcpy): Likewise.
* sysdeps/powerpc/powerpc64/stpcpy.S (stpcpy): Likewise.
* sysdeps/sparc/sparc32/stpcpy.S (stpcpy): Likewise.
* sysdeps/sparc/sparc64/stpcpy.S (stpcpy): Likewise.
* sysdeps/i386/stpcpy.S (stpcpy): Likewise.
* sysdeps/i386/i586/stpcpy.S (stpcpy): Likewise.
* sysdeps/generic/stpcpy.c (stpcpy): Likewise.
* sysdeps/x86_64/stpcpy.S (stpcpy): Likewise.
* sysdeps/i386/i586/memcpy.S (memcpy): Remove
libc_hidden_builtin_def if MEMPCPY_P.
* sysdeps/x86_64/memcpy.S (memcpy): Likewise.
* sysdeps/i386/i686/mempcpy.S (mempcpy): Add libc_hidden_builtin_def.
* sysdeps/i386/i586/mempcpy.S (mempcpy): Likewise.
* sysdeps/generic/mempcpy.c (mempcpy): Likewise.
* sysdeps/x86_64/mempcpy.S (mempcpy): Likewise.
Diffstat (limited to 'string/bits/string2.h')
| -rw-r--r-- | string/bits/string2.h | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/string/bits/string2.h b/string/bits/string2.h index 665a711e7d..ba84da2346 100644 --- a/string/bits/string2.h +++ b/string/bits/string2.h @@ -94,9 +94,10 @@ __STRING2_COPY_TYPE (8); ((size_t)(const void *)((__x) + 1) - (size_t)(const void *)(__x) == 1) /* Set N bytes of S to C. */ -#if !defined _HAVE_STRING_ARCH_memset && ! __GNUC_PREREQ (3, 0) -# if _STRING_ARCH_unaligned -# define memset(s, c, n) \ +#if !defined _HAVE_STRING_ARCH_memset +# if !__GNUC_PREREQ (3, 0) +# if _STRING_ARCH_unaligned +# define memset(s, c, n) \ (__extension__ (__builtin_constant_p (n) && (n) <= 16 \ ? ((n) == 1 \ ? __memset_1 (s, c) \ @@ -105,10 +106,10 @@ __STRING2_COPY_TYPE (8); ? ({ void *__s = (s); __bzero (__s, n); __s; }) \ : memset (s, c, n)))) -# define __memset_1(s, c) ({ void *__s = (s); \ +# define __memset_1(s, c) ({ void *__s = (s); \ *((__uint8_t *) __s) = (__uint8_t) c; __s; }) -# define __memset_gc(s, c, n) \ +# define __memset_gc(s, c, n) \ ({ void *__s = (s); \ union { \ unsigned int __ui; \ @@ -177,15 +178,19 @@ __STRING2_COPY_TYPE (8); } \ \ __s; }) -# else -# define memset(s, c, n) \ +# else +# define memset(s, c, n) \ (__extension__ (__builtin_constant_p (c) && (c) == '\0' \ ? ({ void *__s = (s); __bzero (__s, n); __s; }) \ : memset (s, c, n))) +# endif # endif -/* GCC optimizes memset(s, 0, n) but not bzero(s, n). - The optimization is broken before EGCS 1.1. */ +/* GCC < 3.0 optimizes memset(s, 0, n) but not bzero(s, n). + The optimization is broken before EGCS 1.1. + GCC 3.0+ has __builtin_bzero as well, but at least till GCC 3.4 + if it decides to call the library function, it calls memset + and not bzero. */ # if __GNUC_PREREQ (2, 91) # define __bzero(s, n) __builtin_memset (s, '\0', n) # endif |