[PATCH] D98963: [LoopVectorize] Change the identity element for FAdd where nsz is false
David Sherwood via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Mar 22 05:10:54 PDT 2021
david-arm added a comment.
In D98963#2638353 <https://reviews.llvm.org/D98963#2638353>, @lebedev.ri wrote:
> Why not just always use `-0.0`?
We could do that - I guess we might see quite a few test failures though. Is there potential for less optimal code because the FP vector can no longer be a `zeroinitializer`?
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https://reviews.llvm.org/D98963/new/
https://reviews.llvm.org/D98963
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