This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug optimization/12340] [3.3 regression] loop unroller + gcse produces wrong code
- From: "rguenth at tat dot physik dot uni-tuebingen dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 22 Sep 2003 15:25:17 -0000
- Subject: [Bug optimization/12340] [3.3 regression] loop unroller + gcse produces wrong code
- References: <20030919151041.12340.rguenth@tat.physik.uni-tuebingen.de>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.
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/