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

[Reid Kleckner via llvm-commits]

rnk accepted this revision.
rnk added a reviewer: rnk.
rnk added a comment.
This revision is now accepted and ready to land.

lgtm

While I'm concerned that we aren't managing the kill flags right, this seems like a strict improvement of the situation.


http://reviews.llvm.org/D6629