[PATCH] D86415: [SVE] Lower scalable vector ISD::FNEG operations.

Cameron McInally via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Aug 24 07:14:27 PDT 2020


cameron.mcinally accepted this revision.
cameron.mcinally added a subscriber: arsenm.
cameron.mcinally added a comment.
This revision is now accepted and ready to land.

LGTM

There is a subtle wrong answers bug with this transform, but it's something that's under development separately. That is, `FMUL(X,-1.0) != FNEG(X)` when FTZ is enabled. We have a flag for checking the denormal mode, namely DenormalMode. We can address it later though. @arsenm


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https://reviews.llvm.org/D86415



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