]> sourceware.org Git - glibc.git/commit
x86: Optimize less_vec evex and avx512 memset-vec-unaligned-erms.S
authorNoah Goldstein <goldstein.w.n@gmail.com>
Mon, 19 Apr 2021 21:48:10 +0000 (17:48 -0400)
committerH.J. Lu <hjl.tools@gmail.com>
Mon, 19 Apr 2021 22:08:04 +0000 (15:08 -0700)
commitf53790272ce7bdc5ecd14b45f65d0464d2a61a3a
tree080054bf654d57c524271f86b8195d602d881ae4
parent83c5b368226c34a2f0a5287df40fc290b2b34359
x86: Optimize less_vec evex and avx512 memset-vec-unaligned-erms.S

No bug. This commit adds optimized cased for less_vec memset case that
uses the avx512vl/avx512bw mask store avoiding the excessive
branches. test-memset and test-wmemset are passing.

Signed-off-by: Noah Goldstein <goldstein.w.n@gmail.com>
sysdeps/x86_64/multiarch/ifunc-impl-list.c
sysdeps/x86_64/multiarch/ifunc-memset.h
sysdeps/x86_64/multiarch/memset-avx512-unaligned-erms.S
sysdeps/x86_64/multiarch/memset-evex-unaligned-erms.S
sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S
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