http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53190
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-05-02
17:09:02 UTC ---
(clobber (reg:QI 18 fpsr))
(clobber (reg:QI 17 flags))
It might clobber those but that is not considered an use. So CSE is doing the
correct thing as there is no use based on fpsr.
