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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 16:27:15 +0000 (17:27 +0100)
commit3a1557efef9d3aa334122f44c495dd0c5d78b787
treebc957271d4244916c49ab3e177bede2b4dbcd474tree
parent6f2ca6aab9c60f8f74aba8bf8585fb4932863184commit | 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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