[PATCH] D28747: [X86] Don't create VBROADCAST nodes with 256-bit or 512-bit input types

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Feb 14 23:02:24 PST 2017


craig.topper added a comment.

Is using an fp broadcast for an integer operation for AVX1 a good idea. Is there a stack cross penalty for that on Sandy Bridge?


https://reviews.llvm.org/D28747





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