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aarch64: Optimize __libc_mtag_tag_zero_region
authorSzabolcs Nagy <szabolcs.nagy@arm.com>
Tue, 9 Feb 2021 17:59:11 +0000 (17:59 +0000)
committerSzabolcs Nagy <szabolcs.nagy@arm.com>
Fri, 26 Mar 2021 11:03:06 +0000 (11:03 +0000)
commit1dc17ea8f8492d618a91f0b7b3f1e7fd089889d1
tree24f4b445710e07891f18384534f49e83e4f9ec9etree
parent23fd760add29042fd6f8fead0f6a2f32631d41aacommit | diff
aarch64: Optimize __libc_mtag_tag_zero_region

This is a target hook for memory tagging, the original was a naive
implementation. Uses the same algorithm as __libc_mtag_tag_region,
but with instructions that also zero the memory.  This was not
benchmarked on real cpu, but expected to be faster than the naive
implementation.
sysdeps/aarch64/__mtag_tag_zero_region.S diff | blob | blame | history
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