http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51784
--- Comment #38 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-01-19 11:30:37 UTC --- If the insn pattern is "#", then if no split pass splits it before final, during final it will be split anyway. So no idea why you play games with !optimize vs. optimize.
