------- Comment #3 from nemokingdom at gmail dot com 2009-12-07 13:01 -------
Subject: Re: [4.5 Regression] GCC fails validity in
mdbx in polyhedral benchmark.
Hi Rguenth,
On Mon, Dec 7, 2009 at 7:14 PM, rguenth at gcc dot gnu dot org
<gcc-bugzi...@gcc.gnu.org> wrote:
>
>
> ------- Comment #2 from rguenth at gcc dot gnu dot org 2009-12-07 11:14
> -------
> Huh? Does plain -O2 work? Do I understand correctly that -O2 -fno-loop-block
> -fno-loop-strip-mine miscompiles?
Em, this benchmark can be compiled, but failed at validity of the benchmark
testing (passed 39 of 40). So I think this caused a runtime error.
-O2 also has this fail. I disable Graphite by -fno-loop-strip-mine
-fno-loop-block.
So I think it's not related to Graphite.
>
> Sebastian, how can disabling graphite options but not enabling graphite
> miscompile anything?? P1, please fix / comment.
>
>
> --
>
> rguenth at gcc dot gnu dot org changed:
>
> What |Removed |Added
> ----------------------------------------------------------------------------
> CC| |spop at gcc dot gnu dot org
> Keywords| |wrong-code
> Priority|P3 |P1
> Summary|GCC fails validity in mdbx |[4.5 Regression] GCC fails
> |in polyhedral benchmark. |validity in mdbx in
> | |polyhedral benchmark.
> Target Milestone|--- |4.5.0
>
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42298
>
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> You reported the bug, or are watching the reporter.
>
Li
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42298
