[PATCH] D141464: [X86]: Match (xor TSize - 1, ctlz) to `bsr` instead of `lzcnt` + `xor`

Noah Goldstein via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Jan 31 14:19:06 PST 2023

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goldstein.w.n added a comment.

ping2.


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  https://reviews.llvm.org/D141464/new/

https://reviews.llvm.org/D141464

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