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AArch64: Optimize strlen
authorWilco Dijkstra <wilco.dijkstra@arm.com>
Wed, 11 Jan 2023 13:52:53 +0000 (13:52 +0000)
committerWilco Dijkstra <wilco.dijkstra@arm.com>
Tue, 9 Apr 2024 18:10:57 +0000 (19:10 +0100)
commite059e458b86f99498c321c199d113cf6a195a119
treed6afddaf169b16e7ff85e57c1edf06a6220a46eatree
parentce9a4f6a3ce8306f5af9f45165dca6df3c4e90e9commit | diff
AArch64: Optimize strlen

Optimize strlen by unrolling the main loop.  Large strings are 64% faster on
modern CPUs.

Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
(cherry picked from commit 03c8ce5000198947a4dd7b2c14e5131738fda62b)
sysdeps/aarch64/strlen.S diff | blob | blame | history
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