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| author |   Wilco Dijkstra <wilco.dijkstra@arm.com> | 2023-01-11 13:53:05 +0000 |
|---|---|---|
| committer | Wilco Dijkstra <wilco.dijkstra@arm.com> | 2023-01-17 15:09:18 +0000 |
| commit | ad098893ba3c3344a5f2f6ab1627c47204afdb47 (patch) | |
| tree | 91d9ebc4e4ca1b8624eb93bd60e63236bb73c4c1 /scripts/build-many-glibcs.py | |
| parent | AArch64: Optimize strlen (diff) | |
| download | glibc-ad098893ba3c3344a5f2f6ab1627c47204afdb47.tar.xz glibc-ad098893ba3c3344a5f2f6ab1627c47204afdb47.zip | |
AArch64: Optimize strnlen
Optimize strnlen using the shrn instruction and improve the main loop.
Small strings are around 10% faster, large strings are 40% faster on
modern CPUs.
Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
Diffstat (limited to '')
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