[PATCH] D41440: [X86][SSE] Split large PAVGB/PAVGW vectors to legal widths

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon updated this revision to Diff 127869.
RKSimon added a comment.

Don't bother checking for whole vector sizes - the isPowerOf2_32 test will handle it.

@craig.topper I added a v48i8 test at https://reviews.llvm.org/rL321261 - do you think its worth me generalizing this further to support irregular sized vectors like that?


Repository:
  rL LLVM

https://reviews.llvm.org/D41440

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/avg-mask.ll
  test/CodeGen/X86/avg.ll

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