x86: Code cleanup in strchr-evex and comment justifying branch
commitec285ea90415458225623ddc0492ae3f705af043
authorNoah Goldstein <goldstein.w.n@gmail.com>
Wed, 23 Mar 2022 21:57:18 +0000 (23 16:57 -0500)
committerNoah Goldstein <goldstein.w.n@gmail.com>
Fri, 25 Mar 2022 16:46:13 +0000 (25 11:46 -0500)
treeebf3824b30655964dfb35a03e504d7f70b5cde08
parenta6fbf4d51e9ba8063c4f8331564892ead9c67344
x86: Code cleanup in strchr-evex and comment justifying branch

Small code cleanup for size: -81 bytes.

Add comment justifying using a branch to do NULL/non-null return.

All string/memory tests pass and no regressions in benchtests.

geometric_mean(N=20) of all benchmarks New / Original: .985
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
sysdeps/x86_64/multiarch/strchr-evex.S