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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 17:40:17 +0000 (18:40 +0100)
commit12784e1d82f6b55b3c7bac887107f06353c1ace0
treef1400aa7fbadb112642f37424d6145115945a58ftree
parentb01d60fdef8eedb9c3317d0035e527cd73a6b0c3commit | 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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