Avoid trashing the FPSCR when calculating Math.floor
Avoid trashing the FPSCR when calculating Math.floor

The restoring of FPSCR could restore a random value as the restore point could be jumped to from before FPSCR was loaded.
Review URL: http://codereview.chromium.org/6344002

git-svn-id: b158db1e4b4ab85d4c9e510fdef4b1e8c614b15b@6332 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh