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| author | Aurelien Jarno <aurelien@aurel32.net> | 2022-10-03 23:46:11 +0200 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2022-10-03 23:47:50 +0200 |
| commit | d9196d4f3fa9997388655813ddd236426a16dd92 (patch) | |
| tree | c80c81897df588e7c93365b5991df9e274e7e3d1 /malloc/mallocbug.c | |
| parent | d8bf4388df679fa5a3ae7889a649e573e3124530 (diff) | |
| download | glibc-d9196d4f3fa9997388655813ddd236426a16dd92.tar.gz glibc-d9196d4f3fa9997388655813ddd236426a16dd92.tar.xz glibc-d9196d4f3fa9997388655813ddd236426a16dd92.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>
(cherry picked from commit e3e7fab7fe5186d18ca2046d99ba321c27db30ad)
Diffstat (limited to 'malloc/mallocbug.c')
0 files changed, 0 insertions, 0 deletions