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author | Aurelien Jarno <aurelien@aurel32.net> | 2022-10-03 23:46:11 +0200 |
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committer | Aurelien Jarno <aurelien@aurel32.net> | 2022-10-03 23:46:11 +0200 |
commit | e3e7fab7fe5186d18ca2046d99ba321c27db30ad (patch) | |
tree | 8e96e9e34a099f46d74876fe8a840511625e302e /sysdeps/x86_64/multiarch/ifunc-avx2.h | |
parent | f31a5a884ed84bd37032729d4d1eb9d06c9f3c29 (diff) | |
download | glibc-e3e7fab7fe5186d18ca2046d99ba321c27db30ad.tar.gz glibc-e3e7fab7fe5186d18ca2046d99ba321c27db30ad.tar.xz glibc-e3e7fab7fe5186d18ca2046d99ba321c27db30ad.zip |
x86-64: Require BMI2 for AVX2 (raw|w)memchr implementations
The AVX2 memchr, rawmemchr and wmemchr implementations use the 'bzhi' and 'sarx' instructions, which belongs to the BMI2 CPU feature. Fixes: acfd088a1963 ("x86: Optimize memchr-avx2.S") Partially resolves: BZ #29611 Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com>
Diffstat (limited to 'sysdeps/x86_64/multiarch/ifunc-avx2.h')
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