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(parent: 5359036) | patch
Adjust writeback in non-zero memset
authorWilco Dijkstra <Wilco.Dijkstra@arm.com>
Tue, 6 Nov 2018 14:42:10 +0000 (14:42 +0000)
committerRichard Earnshaw <Richard.Earnshaw@arm.com>
Tue, 6 Nov 2018 14:59:51 +0000 (14:59 +0000)
commitd80db600664bec381230be85955b54884f21a619
tree3a3c9725ac7206987203f7eeefe1a9f209d30c3etree
parent535903696c339b71edd3575ab44bbf2e5eab689acommit | diff
Adjust writeback in non-zero memset

This fixes an ineffiency in the non-zero memset.  Delaying the writeback
until the end of the loop is slightly faster on some cores - this shows
~5% performance gain on Cortex-A53 when doing large non-zero memsets.

Tested against the GLIBC testsuite.
newlib/libc/machine/aarch64/memset.S diff | blob | blame | history
newlib and cygwin
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