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[RISCV] Optimize with an all ones mask to avoid a vmset.

Authored by craig.topper on Sep 21 2021, 3:55 PM.



We can use riscv_vse intrinsic instead of riscv_vse_mask. The code here
is based on similar code for handling masked.scatter and vp.scatter.

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craig.topper created this revision.Sep 21 2021, 3:55 PM
craig.topper requested review of this revision.Sep 21 2021, 3:55 PM
Herald added a project: Restricted Project. · View Herald TranscriptSep 21 2021, 3:55 PM
Herald added a subscriber: MaskRay. · View Herald Transcript

Add fixed vector test.

frasercrmck accepted this revision.Sep 22 2021, 1:43 AM

LGTM. Good spot, sorry for missing that originally.

This revision is now accepted and ready to land.Sep 22 2021, 1:43 AM
This revision was landed with ongoing or failed builds.Sep 22 2021, 9:21 AM
This revision was automatically updated to reflect the committed changes.