http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51784
--- Comment #39 from Iain Sandoe <iains at gcc dot gnu.org> 2012-01-19 12:01:32
UTC ---
(In reply to comment #38)
> 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.
hm. well, without that I was hitting the 'unreachable' here ...
final.c:2715
if (new_rtx == insn && PATTERN (new_rtx) == body)
fatal_insn ("could not split insn", insn);
#ifdef HAVE_ATTR_length
/* This instruction should have been split in shorten_branches,
to ensure that we would have valid length info for the
splitees. */
gcc_unreachable ();
#endif
