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H.J. Lu 5f3d0b78e0 Use AVX unaligned memcpy only if AVX2 is available 
memcpy with unaligned 256-bit AVX register loads/stores are slow on older
processorsl like Sandy Bridge.  This patch adds bit_AVX_Fast_Unaligned_Load
and sets it only when AVX2 is available.

	[BZ #17801]
	* sysdeps/x86_64/multiarch/init-arch.c (__init_cpu_features):
	Set the bit_AVX_Fast_Unaligned_Load bit for AVX2.
	* sysdeps/x86_64/multiarch/init-arch.h (bit_AVX_Fast_Unaligned_Load):
	New.
	(index_AVX_Fast_Unaligned_Load): Likewise.
	(HAS_AVX_FAST_UNALIGNED_LOAD): Likewise.
	* sysdeps/x86_64/multiarch/memcpy.S (__new_memcpy): Check the
	bit_AVX_Fast_Unaligned_Load bit instead of the bit_AVX_Usable bit.
	* sysdeps/x86_64/multiarch/memcpy_chk.S (__memcpy_chk): Likewise.
	* sysdeps/x86_64/multiarch/mempcpy.S (__mempcpy): Likewise.
	* sysdeps/x86_64/multiarch/mempcpy_chk.S (__mempcpy_chk): Likewise.
	* sysdeps/x86_64/multiarch/memmove.c (__libc_memmove): Replace
	HAS_AVX with HAS_AVX_FAST_UNALIGNED_LOAD.
	* sysdeps/x86_64/multiarch/memmove_chk.c (__memmove_chk): Likewise.
 		2015-01-30 15:37:58 -08:00
..
Makefile Improve 64bit memcpy performance for Haswell CPU with AVX instruction 2014-07-30 08:02:35 -07:00
Versions
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bcopy.S
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cacheinfo.c
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ifunc-defines.sym
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ifunc-impl-list.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
init-arch.c Use AVX unaligned memcpy only if AVX2 is available 2015-01-30 15:37:58 -08:00
init-arch.h Use AVX unaligned memcpy only if AVX2 is available 2015-01-30 15:37:58 -08:00
memcmp-sse4.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
memcmp-ssse3.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
memcmp.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
memcpy-avx-unaligned.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
memcpy-sse2-unaligned.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
memcpy-ssse3-back.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
memcpy-ssse3.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
memcpy.S Use AVX unaligned memcpy only if AVX2 is available 2015-01-30 15:37:58 -08:00
memcpy_chk.S Use AVX unaligned memcpy only if AVX2 is available 2015-01-30 15:37:58 -08:00
memmove-avx-unaligned.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
memmove-ssse3-back.S
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memmove-ssse3.S
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memmove.c Use AVX unaligned memcpy only if AVX2 is available 2015-01-30 15:37:58 -08:00
memmove_chk.c Use AVX unaligned memcpy only if AVX2 is available 2015-01-30 15:37:58 -08:00
mempcpy-avx-unaligned.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
mempcpy-ssse3-back.S
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mempcpy-ssse3.S
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mempcpy.S Use AVX unaligned memcpy only if AVX2 is available 2015-01-30 15:37:58 -08:00
mempcpy_chk.S Use AVX unaligned memcpy only if AVX2 is available 2015-01-30 15:37:58 -08:00
memset-avx2.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
memset.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
memset_chk.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
rtld-memcmp.c
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rtld-memset.S Add x86_64 memset optimized for AVX2 2014-06-19 15:14:08 -07:00
sched_cpucount.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
stpcpy-sse2-unaligned.S
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stpcpy-ssse3.S
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stpcpy.S
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stpncpy-c.c
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stpncpy-sse2-unaligned.S
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stpncpy-ssse3.S
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stpncpy.S
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strcasecmp_l-ssse3.S
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strcasecmp_l.S
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strcasestr.c
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strcat-sse2-unaligned.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strcat-ssse3.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strcat.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strchr-sse2-no-bsf.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strchr.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strcmp-sse2-unaligned.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strcmp-sse42.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strcmp-ssse3.S Remove NOT_IN_libc 2014-11-24 15:03:45 +05:30
strcmp.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strcpy-sse2-unaligned.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strcpy-ssse3.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strcpy.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strcspn-c.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strcspn.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strncase_l-ssse3.S
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strncase_l.S
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strncat-c.c
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strncat-sse2-unaligned.S
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strncat-ssse3.S
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strncat.S
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strncmp-ssse3.S
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strncmp.S
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strncpy-c.c
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strncpy-sse2-unaligned.S
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strncpy-ssse3.S
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strncpy.S
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strpbrk-c.c
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strpbrk.S
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strspn-c.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strspn.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strstr-sse2-unaligned.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strstr.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
test-multiarch.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
varshift.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
varshift.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
wcscpy-c.c Remove NOT_IN_libc 2014-11-24 15:03:45 +05:30
wcscpy-ssse3.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
wcscpy.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
wmemcmp-c.c Remove NOT_IN_libc 2014-11-24 15:03:45 +05:30
wmemcmp-sse4.S
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wmemcmp-ssse3.S
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wmemcmp.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00