Backport upstream patch r152443.
authorJing Yu <jingyu@google.com>
Wed, 27 Jan 2010 21:22:49 +0000 (13:22 -0800)
committerJing Yu <jingyu@google.com>
Wed, 27 Jan 2010 21:22:49 +0000 (13:22 -0800)
commit2af1c87cfeb60fe5a05890d13183da7f0c2e8b01
tree1c791a7e0fabfa042f1f748f0ecc5af06784e679
parent30f553f6a7597e8084704b84876dea2af493d6fe
Backport upstream patch r152443.

Fix a bug in distribute_and_simplify_rtx in which a floating point mode
RTX is unsafely optimized.
gcc-4.4.0/README.google
gcc-4.4.0/gcc/combine.c