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[Bug rtl-optimization/16380] [3.3/3.4 Regression] Use of uninitialised register after dbra conversion
- 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: 13 Jul 2004 15:29:21 -0000
- Subject: [Bug rtl-optimization/16380] [3.3/3.4 Regression] Use of uninitialised register after dbra conversion
- References: <20040706084022.16380.rsandifo@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2004-07-13 15:29 -------
Subject: Bug 16380
CVSROOT: /cvs/gcc
Module name: gcc
Branch: gcc-3_4-branch
Changes by: rsandifo@gcc.gnu.org 2004-07-13 15:29:14
Modified files:
gcc : ChangeLog loop.c
gcc/testsuite : ChangeLog
Added files:
gcc/testsuite/gcc.c-torture/execute: 20040706-1.c
Log message:
PR rtl-optimization/16380
* loop.c (check_dbra_loop): Sink comparison instructions if they
do something other than set cc0.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=2.2326.2.555&r2=2.2326.2.556
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/loop.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.488.2.4&r2=1.488.2.5
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.3389.2.227&r2=1.3389.2.228
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/execute/20040706-1.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=NONE&r2=1.1.4.1
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16380