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[Bug tree-optimization/36098] [4.4 Regression] 435.gromacs miscompares at -O3
- From: "rguenther at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 2 May 2008 09:02:39 -0000
- Subject: [Bug tree-optimization/36098] [4.4 Regression] 435.gromacs miscompares at -O3
- References: <bug-36098-10053@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from rguenther at suse dot de 2008-05-02 09:02 -------
Subject: Re: [4.4 Regression] 435.gromacs
miscompares at -O3
On Fri, 2 May 2008, hjl dot tools at gmail dot com wrote:
> ------- Comment #2 from hjl dot tools at gmail dot com 2008-05-02 05:05 -------
> Revision 134730:
>
> http://gcc.gnu.org/ml/gcc-cvs/2008-04/msg00959.html
>
> is the cause.
That was my guess as well. An interesting thing would be to know
if the failure goes away with -fno-tree-vectorize.
Richard.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36098