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| author | Sihai Yao <sihai.ysh@alibaba-inc.com> | 2014-04-17 08:00:21 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2014-04-17 08:00:21 -0700 |
| commit | f9281df9955fdd11799041ebebd7dc6e4870449a (patch) | |
| tree | bfd7b1a7e35688d8d0bd6ef90dc84dbe3fb641aa /libio/freopen.c | |
| parent | 7c6776620db8e48fca492dbcac88d1c0f239dcde (diff) | |
| download | glibc-f9281df9955fdd11799041ebebd7dc6e4870449a.tar glibc-f9281df9955fdd11799041ebebd7dc6e4870449a.tar.gz glibc-f9281df9955fdd11799041ebebd7dc6e4870449a.tar.bz2 glibc-f9281df9955fdd11799041ebebd7dc6e4870449a.zip | |
Detect if AVX2 is usable
This patch checks and sets bit_AVX2_Usable in __cpu_features.feature.
* sysdeps/x86_64/multiarch/ifunc-defines.sym (COMMON_CPUID_INDEX_7):
New.
* sysdeps/x86_64/multiarch/init-arch.c (__init_cpu_features):
Check and set bit_AVX2_Usable.
* sysdeps/x86_64/multiarch/init-arch.h (bit_AVX2_Usable): New
macro.
(bit_AVX2): Likewise.
(index_AVX2_Usable): Likewise.
(CPUID_AVX2): Likewise.
(HAS_AVX2): Likewise.
Diffstat (limited to 'libio/freopen.c')
0 files changed, 0 insertions, 0 deletions