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[Bug rtl-optimization/69530] [6 Regression] ICE: SIGSEGV in ix86_split_long_move (i386.c:24353) with -fno-split-wide-types -mavx
- From: "vmakarov at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 29 Jan 2016 17:47:13 +0000
- Subject: [Bug rtl-optimization/69530] [6 Regression] ICE: SIGSEGV in ix86_split_long_move (i386.c:24353) with -fno-split-wide-types -mavx
- Auto-submitted: auto-generated
- References: <bug-69530-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69530
--- Comment #14 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
(In reply to H.J. Lu from comment #13)
> (In reply to Vladimir Makarov from comment #12)
> > (In reply to H.J. Lu from comment #11)
> > > (In reply to H.J. Lu from comment #10)
> > > > Created attachment 37512 [details]
> > > > A new patch
> > > >
> > > > I am testing this now.
> > >
> > > No regressions on x86-64. I will leave it to Vladimir.
> >
> > Thanks, HJ. I'll investigate it. It will take some time. But what I see
> > you removed a code in LRA which was used to fix some bugs. And it is
> > questionable for me.
>
> I reverted r229087 which was supposed to fix PR 67609 which is tracked by
> gcc.target/i386/pr67609-2.c and gcc.target/i386/pr67609.c. Apparently
> r229458 made r229087 unnecessary.
Sorry, I was wrong. The patch is ok. So you can commit the patch reverting
r229087 changes in lra-spills.c. Thanks.