[PATCH] D6629: x86: Emit LAHF/SAHF instead of PUSHF/POPF

[JF Bastien via llvm-commits]

jfb added a comment.

There's a follow-up discussion <http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-20150810/293071.html> about LAHF/SAHF not being supported by all x86 processors.


Repository:
  rL LLVM

http://reviews.llvm.org/D6629