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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>
Mon, 8 Apr 2024 15:45:59 +0000 (16:45 +0100)
commitdaa13ed0acd760f0c853e5521bfbfc050cc23574
tree577fff9d0ba468d5a9574f7c1a57bd2028d7f42ftree | snapshot
parent90d9b8897bd21f1ce443cd2e046b4ab9ce24d4b4commit | 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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