http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51471
--- Comment #16 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-01-04 22:24:34 UTC --- (In reply to comment #15) > I still wonder though why Richard Henderson says in PR50283 comment 9: We're > supposed to prevent frame-related insns from appearing in branch delay slots. I think the main reason is it is hard to describe it in cfi's in a branch delay slot.