[PATCH] D31290: [x86] use PMOVMSK to replace memcmp libcalls for 16-byte equality

[Sanjay Patel via Phabricator via llvm-commits]

spatel updated this revision to Diff 93010.
spatel added a comment.

Patch updated:
On 2nd thought, that EVT/MVT argument makes no sense. The returned type from the hook is always going to be an MVT because it will be a supported type in order to be fast. Using MVT makes the code a bit cleaner since we don't have to pass a context around for those.


https://reviews.llvm.org/D31290

Files:
  include/llvm/Target/TargetLowering.h
  lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
  lib/Target/X86/X86ISelLowering.cpp
  lib/Target/X86/X86ISelLowering.h
  test/CodeGen/X86/memcmp.ll

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