[PATCH] D21235: [x86, SSE] change patterns for CMPP to float types to allow matching with SSE1 (PR28044)

[Sanjay Patel via llvm-commits]

spatel updated this revision to Diff 60404.
spatel added a comment.

Patch updated:

1. Add comments to explain magic constant values.
2. Add TODO comment for potential Intel AVX optimization (not sure how software is supposed to detect this difference between AMD and Intel).


http://reviews.llvm.org/D21235

Files:
  lib/Target/X86/X86ISelLowering.cpp
  lib/Target/X86/X86InstrFragmentsSIMD.td
  lib/Target/X86/X86InstrSSE.td
  test/CodeGen/X86/sse1.ll

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