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| author | H.J. Lu <hongjiu.lu@intel.com> | 2010-01-12 11:22:03 -0800 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2010-01-12 11:22:03 -0800 |
| commit | 3af48cbdfaeb8bc389de1caeb33bc29811da80e8 (patch) | |
| tree | 94a209777ab8c7e24cff9e50660a4075e6338594 /ChangeLog | |
| parent | 4bfc6ab9ae3b259caa8b12229f0c67b4b514e9cd (diff) | |
| download | glibc-3af48cbdfaeb8bc389de1caeb33bc29811da80e8.tar.gz glibc-3af48cbdfaeb8bc389de1caeb33bc29811da80e8.tar.xz glibc-3af48cbdfaeb8bc389de1caeb33bc29811da80e8.zip | |
Optimize 32bit memset/memcpy with SSE2/SSSE3.
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index 5efd65fcc5..126f7589a3 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,65 @@ +2010-01-12 H.J. Lu <hongjiu.lu@intel.com> + + * sysdeps/i386/i686/bcopy.S: New file. + + * sysdeps/i386/i686/cacheinfo.c (__x86_64_data_cache_size): Define. + + * sysdeps/i386/i686/memcpy.S (__memcpy_chk): Use ENTRY_CHK + and END_CHK. + * sysdeps/i386/i686/memmove.S (__memmove_chk): Likewise. + * sysdeps/i386/i686/mempcpy.S (__mempcpy_chk): Likewise. + * sysdeps/i386/i686/memset.S (__memset_chk): Likewise. + + * sysdeps/i386/i686/memmove.S: Support USE_AS_BCOPY. + + * sysdeps/i386/i686/multiarch/Makefile (sysdep_routines): Add + bzero-sse2 memset-sse2 memcpy-ssse3 mempcpy-ssse3 memmove-ssse3 + memcpy-ssse3-rep mempcpy-ssse3-rep memmove-ssse3-rep + bcopy-ssse3 bcopy-ssse3-rep memset-sse2-rep bzero-sse2-rep + * sysdeps/i386/i686/multiarch/bcopy-ssse3-rep.S: New file. + * sysdeps/i386/i686/multiarch/bcopy-ssse3.S: New file. + * sysdeps/i386/i686/multiarch/bcopy.S: New file. + * sysdeps/i386/i686/multiarch/bzero-sse2-rep.S: New file. + * sysdeps/i386/i686/multiarch/bzero-sse2.S: New file. + * sysdeps/i386/i686/multiarch/bzero.S: New file. + * sysdeps/i386/i686/multiarch/memcpy-ssse3-rep.S: New file. + * sysdeps/i386/i686/multiarch/memcpy-ssse3.S: New file. + * sysdeps/i386/i686/multiarch/memcpy.S: New file. + * sysdeps/i386/i686/multiarch/memcpy_chk.S: New file. + * sysdeps/i386/i686/multiarch/memmove-ssse3-rep.S: New file. + * sysdeps/i386/i686/multiarch/memmove-ssse3.S: New file. + * sysdeps/i386/i686/multiarch/memmove.S: New file. + * sysdeps/i386/i686/multiarch/memmove_chk.S: New file. + * sysdeps/i386/i686/multiarch/mempcpy-ssse3-rep.S: New file. + * sysdeps/i386/i686/multiarch/mempcpy-ssse3.S: New file. + * sysdeps/i386/i686/multiarch/mempcpy.S: New file. + * sysdeps/i386/i686/multiarch/mempcpy_chk.S: New file. + * sysdeps/i386/i686/multiarch/memset-sse2-rep.S: New file. + * sysdeps/i386/i686/multiarch/memset-sse2.S: New file. + * sysdeps/i386/i686/multiarch/memset.S: New file. + * sysdeps/i386/i686/multiarch/memset_chk.S: New file. + + * sysdeps/i386/sysdep.h (ENTRY_CHK): New. + (END_CHK): Likewise. + + * sysdeps/i386/i686/multiarch/ifunc-defines.sym: Add + FEATURE_OFFSET, FEATURE_SIZE and FEATURE_INDEX_1. + * sysdeps/x86_64/multiarch/ifunc-defines.sym: Likewise. + + * sysdeps/x86_64/cacheinfo.c (intel_02_cache_info): Add entries + for 0x0e and 0x80. + (__x86_64_data_cache_size): New. + (init_cacheinfo): Set __x86_64_data_cache_size. + + * sysdeps/x86_64/multiarch/init-arch.c (__init_cpu_features): Turn + on bit_Fast_Rep_String for Intel Core i7. + + * sysdeps/x86_64/multiarch/init-arch.h (bit_Fast_Rep_String): New. + (index_Fast_Rep_String): Likewise. + (FEATURE_INDEX_1): Likewise. + (FEATURE_INDEX_MAX): Likewise. + (cpu_features): Add feature. + 2010-01-12 Ulrich Drepper <drepper@redhat.com> * conform/data/sys/select.h-data: Fix up for XPG7. |