[Bug tree-optimization/41101] [4.4/4.5 Regression] ICE in compute_antic, at tree-ssa-pre.c:2419
------- Comment #17 from rguenther at suse dot de 2009-09-06 14:20 -------
Subject: Re: [4.4/4.5 Regression] ICE in
compute_antic, at tree-ssa-pre.c:2419
On Sun, 6 Sep 2009, dberlin at dberlin dot org wrote:
> ------- Comment #16 from dberlin at gcc dot gnu dot org 2009-09-06 14:19 -------
> Subject: Re: [4.4/4.5 Regression] ICE in
> compute_antic, at tree-ssa-pre.c:2419
>
> On Sun, Sep 6, 2009 at 8:50 AM, rguenth at gcc dot gnu dot
> org<gcc-bugzilla@gcc.gnu.org> wrote:
> >
> >
> > ------- Comment #13 from rguenth at gcc dot gnu dot org ?2009-09-06 12:50 -------
> > Equivalent to that would be to clean ANTIC_IN using the maximal set - that is,
> > do not allow expressions in ANTIC_IN that are not in the maximal set.
> >
>
> It might be easier to go the other way around, and just special case
> the maximal set everywhere again.
Can you elaborate on that a bit?
Thanks,
Richard.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41101
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