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Differential D42346

lib/libc/amd64/string: implement strsep() through strcspn()
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Authored by fuz on Oct 24 2023, 4:41 AM.
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Details

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mjg
kib
Commits
rG265fb89aba2a: lib/libc/amd64/string: implement strsep() through strcspn()
rG8dc035482310: share/man/man7/simd.7: document amd64 SIMD use for strsep()
rGfd2ecd91aeee: lib/libc/amd64/string: implement strsep() through strcspn()
rG75cb202698a6: share/man/man7/simd.7: document amd64 SIMD use for strsep()
Summary

The strsep() function is basically strcspn() with extra steps.
On amd64, we now have an optimised implementation of strcspn(),
so instead of implementing the inner loop manually, just call
into the optimised routine.

Sponsored by: The FreeBSD Foundation.

Test Plan

no new test suite failures when substituting this
implementation.

Diff Detail

Repository
rG FreeBSD src repository
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Build Status
Buildable 54146
Build 51036: arc lint + arc unit

Revision Contents
Changeset List

PathSize
lib/
libc/
amd64/
string/
1 line
57 lines
share/
man/
man7/
3 lines

Diff 129275

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lib/libc/amd64/string/Makefile.inc

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lib/libc/amd64/string/strsep.c

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share/man/man7/simd.7

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