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| author | Ulrich Drepper <drepper@gmail.com> | 2011-10-25 21:34:55 -0400 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2011-10-25 21:34:55 -0400 |
| commit | e0016b11d6186a7003d7204cb100acab9bbcd940 (patch) | |
| tree | 8c702a330664d113edbdaff9ba4ec67e266bbb80 /sysdeps/x86_64/multiarch | |
| parent | ffb124cc518c182e238c20abb0ff8bdeaefefd66 (diff) | |
| download | glibc-e0016b11d6186a7003d7204cb100acab9bbcd940.tar.gz glibc-e0016b11d6186a7003d7204cb100acab9bbcd940.tar.xz glibc-e0016b11d6186a7003d7204cb100acab9bbcd940.zip | |
Add AVX optimized versions for some x86-64 math functions
Diffstat (limited to 'sysdeps/x86_64/multiarch')
| -rw-r--r-- | sysdeps/x86_64/multiarch/init-arch.h | 32 |
1 files changed, 18 insertions, 14 deletions
diff --git a/sysdeps/x86_64/multiarch/init-arch.h b/sysdeps/x86_64/multiarch/init-arch.h index 2fb6f75b66..2a1df393c4 100644 --- a/sysdeps/x86_64/multiarch/init-arch.h +++ b/sysdeps/x86_64/multiarch/init-arch.h @@ -23,16 +23,19 @@ #define bit_Fast_Unaligned_Load (1 << 4) #define bit_Prefer_PMINUB_for_stringop (1 << 5) +#define bit_SSE2 (1 << 26) +#define bit_SSSE3 (1 << 9) +#define bit_SSE4_1 (1 << 19) +#define bit_SSE4_2 (1 << 20) +#define bit_AVX (1 << 28) +#define bit_POPCOUNT (1 << 23) +#define bit_FMA (1 << 12) +#define bit_FMA4 (1 << 16) + #ifdef __ASSEMBLER__ # include <ifunc-defines.h> -# define bit_SSE2 (1 << 26) -# define bit_SSSE3 (1 << 9) -# define bit_SSE4_1 (1 << 19) -# define bit_SSE4_2 (1 << 20) -# define bit_AVX (1 << 28) - # define index_SSE2 COMMON_CPUID_INDEX_1*CPUID_SIZE+CPUID_EDX_OFFSET # define index_SSSE3 COMMON_CPUID_INDEX_1*CPUID_SIZE+CPUID_ECX_OFFSET # define index_SSE4_1 COMMON_CPUID_INDEX_1*CPUID_SIZE+CPUID_ECX_OFFSET @@ -104,17 +107,18 @@ extern const struct cpu_features *__get_cpu_features (void) # endif # define HAS_CPU_FEATURE(idx, reg, bit) \ - ((__get_cpu_features ()->cpuid[idx].reg & (1 << (bit))) != 0) + ((__get_cpu_features ()->cpuid[idx].reg & (bit)) != 0) /* Following are the feature tests used throughout libc. */ -# define HAS_SSE2 HAS_CPU_FEATURE (COMMON_CPUID_INDEX_1, edx, 26) -# define HAS_POPCOUNT HAS_CPU_FEATURE (COMMON_CPUID_INDEX_1, ecx, 23) -# define HAS_SSSE3 HAS_CPU_FEATURE (COMMON_CPUID_INDEX_1, ecx, 9) -# define HAS_SSE4_1 HAS_CPU_FEATURE (COMMON_CPUID_INDEX_1, ecx, 19) -# define HAS_SSE4_2 HAS_CPU_FEATURE (COMMON_CPUID_INDEX_1, ecx, 20) -# define HAS_FMA HAS_CPU_FEATURE (COMMON_CPUID_INDEX_1, ecx, 12) -# define HAS_FMA4 HAS_CPU_FEATURE (COMMON_CPUID_INDEX_80000001, ecx, 16) +# define HAS_SSE2 HAS_CPU_FEATURE (COMMON_CPUID_INDEX_1, edx, bit_SSE2) +# define HAS_POPCOUNT HAS_CPU_FEATURE (COMMON_CPUID_INDEX_1, ecx, bit_POPCOUNT) +# define HAS_SSSE3 HAS_CPU_FEATURE (COMMON_CPUID_INDEX_1, ecx, bit_SSSE3) +# define HAS_SSE4_1 HAS_CPU_FEATURE (COMMON_CPUID_INDEX_1, ecx, bit_SSE4_1) +# define HAS_SSE4_2 HAS_CPU_FEATURE (COMMON_CPUID_INDEX_1, ecx, bit_SSE4_2) +# define HAS_FMA HAS_CPU_FEATURE (COMMON_CPUID_INDEX_1, ecx, bit_FMA) +# define HAS_AVX HAS_CPU_FEATURE (COMMON_CPUID_INDEX_1, ecx, bit_AVX) +# define HAS_FMA4 HAS_CPU_FEATURE (COMMON_CPUID_INDEX_80000001, ecx, bit_FMA4) # define index_Fast_Rep_String FEATURE_INDEX_1 # define index_Fast_Copy_Backward FEATURE_INDEX_1 |