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[Bug target/65710] [4.9/5 Regression] Thumb1 ICE caused by no register to spill
- From: "yroux at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 10 Apr 2015 16:55:29 +0000
- Subject: [Bug target/65710] [4.9/5 Regression] Thumb1 ICE caused by no register to spill
- Auto-submitted: auto-generated
- References: <bug-65710-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65710
--- Comment #21 from Yvan Roux <yroux at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #19)
> (In reply to Vladimir Makarov from comment #18)
> > (In reply to Jakub Jelinek from comment #15)
> > > To be clear, I think we can postpone fixing the performance issue till 5.2/6.
> > > The reason this is a P1 is #c9, #c10, #c11. Vlad, can you please have a
> > > look at that?
> >
> > Ok. I'll be working on it for gcc-4.9.
> >
> > Thanks for the clarification.
>
> #c10 says it happens on the trunk too.
I can't check full validation results right now, but the suggested fix in #c11
seems to fix the issue