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[Bug rtl-optimization/54472] ICE (spill_failure): unable to find a register to spill in class 'AREG' with -O -fschedule-insns -fselective-scheduling
- From: "abel at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 26 Oct 2012 14:04:03 +0000
- Subject: [Bug rtl-optimization/54472] ICE (spill_failure): unable to find a register to spill in class 'AREG' with -O -fschedule-insns -fselective-scheduling
- Auto-submitted: auto-generated
- References: <bug-54472-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54472
--- Comment #7 from Andrey Belevantsev <abel at gcc dot gnu.org> 2012-10-26 14:04:03 UTC ---
(In reply to comment #6)
> Have you managed to check the patch?
The patch does the right thing for sets and clobbers, but the uses case should
be amended, too, judging from the sched-deps.c code. Sorry, I was too busy to
send the patch, now, I'll try doing this on the next week.