[PATCH] D68632: [X86] Make memcmp() use PTEST if possible and also enable AVX1

[David Zarzycki via Phabricator via llvm-commits]

davezarzycki created this revision.
davezarzycki added a reviewer: craig.topper.
davezarzycki added a project: LLVM.

Hi Craig – I'm not an expert in this area. Feedback would be appreciated. In particular, the way PTEST was wired up. Thanks!


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D68632

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/memcmp-minsize.ll
  test/CodeGen/X86/memcmp-optsize.ll
  test/CodeGen/X86/memcmp.ll
  test/CodeGen/X86/setcc-wide-types.ll

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