[Bug optimization/12340] [3.3 regression] loop unroller + gcse produces wrong code

rguenth at tat dot physik dot uni-tuebingen dot de gcc-bugzilla@gcc.gnu.org
Mon Sep 22 17:04:00 GMT 2003


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12340



------- Additional Comments From rguenth at tat dot physik dot uni-tuebingen dot de  2003-09-22 15:25 -------
Subject: Re:  [3.3 regression] loop unroller + gcse
 produces wrong code

On 22 Sep 2003, ebotcazou at gcc dot gnu dot org wrote:

> The loop optimizer thinks the loop in main() is executed 6 times!!! I'm going to
> teach it how to count :-)

I cannot see how this then should produce a SIGSEGV at destruction time,
but if it is true, then its worth to fix for sure ;)

Richard.

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



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