http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50751
--- Comment #14 from Kazumoto Kojima <kkojima at gcc dot gnu.org> 2011-11-02 00:57:59 UTC --- (In reply to comment #13) > Apparently this makes something believe that loading the FPUL register from a > displacement address is possible, which is of course not the case. However, I > can't see any connection there... .ira dump would be your friend, though I suspect that your patch triggered off some other reload problem like PR48596. Could you try the change in #5 of that PR?