From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 15280 invoked by alias); 14 Mar 2012 10:46:23 -0000 Received: (qmail 15256 invoked by uid 22791); 14 Mar 2012 10:46:23 -0000 X-SWARE-Spam-Status: No, hits=-2.8 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Wed, 14 Mar 2012 10:46:10 +0000 From: "schwab@linux-m68k.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/52573] [4.5/4.6/4.7/4.8 regression] regrename creates overlapping register allocations for output operands Date: Wed, 14 Mar 2012 10:47:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: schwab@linux-m68k.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.5.4 X-Bugzilla-Changed-Fields: CC Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2012-03/txt/msg01248.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52573 Andreas Schwab changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |bernds at gcc dot gnu.org --- Comment #1 from Andreas Schwab 2012-03-14 10:45:43 UTC --- 7197e17802ace9fc937f5b58f171a3711920b0dd is the first bad commit commit 7197e17802ace9fc937f5b58f171a3711920b0dd Author: bernds Date: Thu Nov 26 21:41:42 2009 +0000 PR rtl-opt/38582 * regrename.c (struct du_head): New members id, conflicts, hard_conflicts and cannot_rename.