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| author | Noah Goldstein <goldstein.w.n@gmail.com> | 2022-04-21 20:52:28 -0500 |
|---|---|---|
| committer | Noah Goldstein <goldstein.w.n@gmail.com> | 2022-04-22 23:08:36 -0500 |
| commit | 5307aa9c1800f36a64c183c091c9af392c1fa75c (patch) | |
| tree | 8a8a8e6d8221a7157219490657eacf5d184b1c9c /Makefile | |
| parent | c2ff9555a18b84732004d061b1a797ea1a432c6a (diff) | |
| download | glibc-5307aa9c1800f36a64c183c091c9af392c1fa75c.zip glibc-5307aa9c1800f36a64c183c091c9af392c1fa75c.tar.gz glibc-5307aa9c1800f36a64c183c091c9af392c1fa75c.tar.bz2 | |
x86: Optimize {str|wcs}rchr-sse2
The new code unrolls the main loop slightly without adding too much
overhead and minimizes the comparisons for the search CHAR.
Geometric Mean of all benchmarks New / Old: 0.741
See email for all results.
Full xcheck passes on x86_64 with and without multiarch enabled.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
Diffstat (limited to 'Makefile')
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