From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 12028 invoked by alias); 12 Feb 2014 08:52:36 -0000 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 Received: (qmail 11552 invoked by uid 55); 12 Feb 2014 08:52:29 -0000 From: "ebotcazou at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/60116] [4.8/4.9 Regression] wrong code at -Os on x86_64-linux-gnu in 32-bit mode Date: Wed, 12 Feb 2014 08:52:00 -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-Version: 4.9.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: ebotcazou at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: ebotcazou at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.9.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-02/txt/msg01121.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60116 --- Comment #17 from Eric Botcazou --- Author: ebotcazou Date: Wed Feb 12 08:51:57 2014 New Revision: 207714 URL: http://gcc.gnu.org/viewcvs?rev=207714&root=gcc&view=rev Log: PR rtl-optimization/60116 * combine.c (try_combine): Also remove dangling REG_DEAD notes on the other_insn once the combination has been validated. Added: branches/gcc-4_8-branch/gcc/testsuite/gcc.c-torture/execute/20140212-1.c - copied unchanged from r207713, trunk/gcc/testsuite/gcc.c-torture/execute/20140212-1.c Modified: branches/gcc-4_8-branch/gcc/ChangeLog branches/gcc-4_8-branch/gcc/combine.c branches/gcc-4_8-branch/gcc/testsuite/ChangeLog