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| author | H.J. Lu <hongjiu.lu@intel.com> | 2010-11-08 03:41:34 -0500 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2010-11-08 03:41:34 -0500 |
| commit | ff02d5280bf252e86d325ff4348feaf531ede831 (patch) | |
| tree | 243484af328916c3945588aab649615521ceebc6 /sysdeps/x86_64/multiarch/init-arch.h | |
| parent | 344d0b545d0a0a0ab737ff333d807969721ce381 (diff) | |
| download | glibc-ff02d5280bf252e86d325ff4348feaf531ede831.tar.gz glibc-ff02d5280bf252e86d325ff4348feaf531ede831.tar.xz glibc-ff02d5280bf252e86d325ff4348feaf531ede831.zip | |
Use IFUNC on x86-64 memset
Diffstat (limited to 'sysdeps/x86_64/multiarch/init-arch.h')
| -rw-r--r-- | sysdeps/x86_64/multiarch/init-arch.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/sysdeps/x86_64/multiarch/init-arch.h b/sysdeps/x86_64/multiarch/init-arch.h index 783b02015e..6e409b8f17 100644 --- a/sysdeps/x86_64/multiarch/init-arch.h +++ b/sysdeps/x86_64/multiarch/init-arch.h @@ -16,9 +16,10 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ -#define bit_Fast_Rep_String (1 << 0) -#define bit_Fast_Copy_Backward (1 << 1) -#define bit_Slow_BSF (1 << 2) +#define bit_Fast_Rep_String (1 << 0) +#define bit_Fast_Copy_Backward (1 << 1) +#define bit_Slow_BSF (1 << 2) +#define bit_Prefer_SSE_for_memop (1 << 3) #ifdef __ASSEMBLER__ @@ -37,6 +38,7 @@ # define index_Fast_Rep_String FEATURE_INDEX_1*FEATURE_SIZE # define index_Fast_Copy_Backward FEATURE_INDEX_1*FEATURE_SIZE # define index_Slow_BSF FEATURE_INDEX_1*FEATURE_SIZE +# define index_Prefer_SSE_for_memop FEATURE_INDEX_1*FEATURE_SIZE #else /* __ASSEMBLER__ */ @@ -109,6 +111,7 @@ extern const struct cpu_features *__get_cpu_features (void) # define index_Fast_Rep_String FEATURE_INDEX_1 # define index_Fast_Copy_Backward FEATURE_INDEX_1 # define index_Slow_BSF FEATURE_INDEX_1 +# define index_Prefer_SSE_for_memop FEATURE_INDEX_1 #define HAS_ARCH_FEATURE(idx, bit) \ ((__get_cpu_features ()->feature[idx] & (bit)) != 0) @@ -122,4 +125,7 @@ extern const struct cpu_features *__get_cpu_features (void) #define HAS_SLOW_BSF \ HAS_ARCH_FEATURE (index_Slow_BSF, bit_Slow_BSF) +#define HAS_PREFER_SSE_FOR_MEMOP \ + HAS_ARCH_FEATURE (index_Prefer_SSE_for_memop, bit_Prefer_SSE_for_memop) + #endif /* __ASSEMBLER__ */ |