[PATCH] D13979: Introduction of FeatureX87

[Andrey Turetskiy via llvm-commits]

aturetsk created this revision.
aturetsk added a reviewer: nadav.
aturetsk added a subscriber: llvm-commits.

Add FeatureX87 in X86 backend.
This is a preparatory changes for introducing a new CPU - Lakemont - which doesn't support X87 instructions.

http://reviews.llvm.org/D13979

Files:
  lib/Target/X86/X86.td
  lib/Target/X86/X86Subtarget.cpp
  lib/Target/X86/X86Subtarget.h

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