http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58369
--- Comment #3 from Mikael Pettersson <mikpe at it dot uu.se> --- The ICE occurs because reload is asking for a DFmode (8-byte) subreg of an XFmode (12-byte) hardreg, but 12 % 8 != 0 so the gcc_assert fails.
