[PATCH] D19661: [X86] Also try to zero elts when lowering v32i8 shuffle with PSHUFB.
Ahmed Bougacha via llvm-commits
llvm-commits at lists.llvm.org
Fri May 27 12:26:30 PDT 2016
ab updated this revision to Diff 58824.
ab added a comment.
I did a final review before committing, but realized I missed the v16i16 case.
Here's an alternative patch, with a generalized PSHUFB lowering, and "zeroable mask" computation. WDYT?
I went ahead and renamed lowerVectorShuffleAsPSHUFB in r271024.
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