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[AArch64] Use ADDV for boolean xor reductions.
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Authored by paulwalker-arm on May 14 2022, 5:23 AM.

Details

Summary

NEON does not have native support for xor reductions. However, when
reducing predicate vectors the operation is synonymous with an add
reduction that is supported.

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Event Timeline

paulwalker-arm created this revision.May 14 2022, 5:23 AM
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paulwalker-arm requested review of this revision.May 14 2022, 5:23 AM
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Allen accepted this revision.May 16 2022, 3:42 AM

LGTM! Thanks for the codegen improvement.

This revision is now accepted and ready to land.May 16 2022, 3:42 AM
This revision was landed with ongoing or failed builds.May 16 2022, 2:36 PM
This revision was automatically updated to reflect the committed changes.