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AArch64: Optimize strcpy
authorWilco Dijkstra <wilco.dijkstra@arm.com>
Wed, 11 Jan 2023 13:52:39 +0000 (13:52 +0000)
committerWilco Dijkstra <wilco.dijkstra@arm.com>
Tue, 9 Apr 2024 17:39:53 +0000 (18:39 +0100)
commitb01d60fdef8eedb9c3317d0035e527cd73a6b0c3
tree09413fd8de5fd1696e5ab5c389dc829967a2b960tree
parent7d628ab7cf11d887f5d2887ccabb0f8095fb4b25commit | diff
AArch64: Optimize strcpy

Unroll the main loop.  Large strings are around 20% faster on modern CPUs.

Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
(cherry picked from commit 349e48c01e85bd96006860084e76d322e6ca02f1)
sysdeps/aarch64/strcpy.S diff | blob | blame | history
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