[PATCH] D109953: [X86][FP16] Combine the FADD(A, FMA(B, C, 0)) to FMA(B, C, A)

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Sep 17 23:36:28 PDT 2021

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craig.topper added a comment.

I'm not sure this transform is valid without no signed zeros. fma(x, y, -0.0) is equivalent to fmul.


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