[PATCH] D41794: [X86] Improve AVX1 shuffle lowering for v8f32 shuffles where the low half comes from V1 and the high half comes from V2 and the halves do the same operation

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sun Jan 7 09:38:31 PST 2018

craig.topper added a comment.

The adds/fadds are just there cause that's what was in the bug report. And I wanted to make sure we were able to reuse the vperm2f128 shuffles that create NewV1 and NewV2.


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