http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52034
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target| |x86_64-*-* i?86-*-* Status|UNCONFIRMED |NEW Keywords| |missed-optimization, ra Last reconfirmed| |2012-01-29 Component|tree-optimization |target Ever Confirmed|0 |1 --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-01-29 01:27:53 UTC --- Confirmed. This is either the way copysign rtl is done on x86_64 or is a register allocator issue with the copysign rtl.