tree 8d0edb778bd3b5e598fedb1aa9fdc45f9f6ac585
parent bb5f32837926bde201bf5744778dcf2573ea0c68
author jeffhao <jeffhao@google.com> 1343691461 -0700
committer jeffhao <jeffhao@google.com> 1343691461 -0700

Enable load store elimination on x86.

Includes a fix to prevent stores from being sunk between cmp and jcc
ops. Also fixes neg-float/double when the source and destination are the
same register. All optis are enabled by default on x86 now.

Change-Id: Ie6f1a3a5ba94fd1b5298df87779d70d9868e8baa