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[Bug rtl-optimization/21330] [4.0 Regression] ICE in compare_and_jump_seq, at loop-unswitch.c:120
- 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: 6 May 2005 10:53:17 -0000
- Subject: [Bug rtl-optimization/21330] [4.0 Regression] ICE in compare_and_jump_seq, at loop-unswitch.c:120
- References: <20050502090858.21330.jakub@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-05-06 10:53 -------
Subject: Bug 21330
CVSROOT: /cvs/gcc
Module name: gcc
Branch: gcc-4_0-branch
Changes by: jakub@gcc.gnu.org 2005-05-06 10:52:39
Modified files:
gcc : ChangeLog loop-unswitch.c
gcc/testsuite : ChangeLog
Added files:
gcc/testsuite/gcc.c-torture/execute: 20050502-1.c
Log message:
PR rtl-optimization/21330
* loop-unswitch.c (may_unswitch_on): Set *cinsn only when
returning non-NULL.
(unswitch_single_loop): Clear cinsn when retrying.
* gcc.c-torture/execute/20050502-1.c: New test.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=2.7592.2.223&r2=2.7592.2.224
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/loop-unswitch.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.25&r2=1.25.12.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.5084.2.163&r2=1.5084.2.164
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/execute/20050502-1.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=NONE&r2=1.1.2.1
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21330