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x86-64: Add wcslen optimize for sse4.1
authorNoah Goldstein <goldstein.w.n@gmail.com>
Wed, 23 Jun 2021 05:19:34 +0000 (01:19 -0400)
committerH.J. Lu <hjl.tools@gmail.com>
Fri, 28 Jan 2022 00:26:10 +0000 (16:26 -0800)
commit25999674499fc0b38a9c7f97a0f58f3c1df7fb2d
tree28f6c727eb879b5af1e5d5fe2942d048bf48a2e6tree
parentccf4e0edde3eb1411cb306dfcc4d0af4fdb867b7commit | diff
x86-64: Add wcslen optimize for sse4.1

No bug. This comment adds the ifunc / build infrastructure
necessary for wcslen to prefer the sse4.1 implementation
in strlen-vec.S. test-wcslen.c is passing.

Signed-off-by: Noah Goldstein <goldstein.w.n@gmail.com>
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 6f573a27b6c8b4236445810a44660612323f5a73)
sysdeps/x86_64/multiarch/Makefile diff | blob | blame | history
sysdeps/x86_64/multiarch/ifunc-impl-list.c diff | blob | blame | history
sysdeps/x86_64/multiarch/ifunc-wcslen.h [new file with mode: 0644] blob
sysdeps/x86_64/multiarch/wcslen-sse4_1.S [new file with mode: 0644] blob
sysdeps/x86_64/multiarch/wcslen.c diff | blob | blame | history
sysdeps/x86_64/multiarch/wcsnlen.c diff | blob | blame | history
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