[Bug optimization/13653] [3.3 regression] -O2 -funroll-loop miscompiles POOMA testcase

["rguenth at tat dot physik dot uni-tuebingen dot de" <gcc-bugzilla at gcc dot gnu dot org>]

------- Additional Comments From rguenth at tat dot physik dot uni-tuebingen dot de  2004-05-03 08:23 -------
Subject: Re:  [3.3 regression] -O2 -funroll-loop
 miscompiles POOMA testcase

On Mon, 3 May 2004, ebotcazou at gcc dot gnu dot org wrote:

>
> ------- Additional Comments From ebotcazou at gcc dot gnu dot org  2004-05-03 07:54 -------
> I'm a bit confused reading this audit trail.  Is there:
>  - a self-contained testcase for the problem?

All testcases are self-contained,

>  - a valid reduced testcase for the problem?

the original and the array_test1_reduced.ii.gz are certainly valid,
15490.c may not be.

>  - a volunteer to tell B. Stroustrup that his f*** language makes it impossible
> for compiler hackers to sleep? ;-)

;)  What really would help would be a tool (hint: the compiler) removing
all unnecessary decls from the source.

Richard.

--
Richard Guenther <richard dot guenther at uni-tuebingen dot de>
WWW: http://www.tat.physik.uni-tuebingen.de/~rguenth/


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13653