http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55796
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2012-12-31 Ever Confirmed|0 |1 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> 2012-12-31 16:18:22 UTC --- DOM is the optimization that tries to optimize these cases. It's probably overly careful for FP compares.