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[Bug rtl-optimization/13653] [3.3 regression] -O2 -funroll-loop miscompiles POOMA testcase
- From: "cvs-commit at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 29 May 2004 23:27:40 -0000
- Subject: [Bug rtl-optimization/13653] [3.3 regression] -O2 -funroll-loop miscompiles POOMA testcase
- References: <20040112101346.13653.rguenth@tat.physik.uni-tuebingen.de>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2004-05-29 23:27 -------
Subject: Bug 13653
CVSROOT: /cvs/gcc
Module name: gcc
Branch: gcc-3_3-branch
Changes by: ebotcazou@gcc.gnu.org 2004-05-29 23:27:31
Modified files:
gcc : ChangeLog loop.c
Log message:
PR optimization/13653
* loop.c (loop_givs_rescan): When reducing a non-replaceable giv,
clear the RTX_UNCHANGING_P flag.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_3-branch&r1=1.16114.2.987&r2=1.16114.2.988
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/loop.c.diff?cvsroot=gcc&only_with_tag=gcc-3_3-branch&r1=1.433.2.13&r2=1.433.2.14
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13653