From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 2909 invoked by alias); 4 Nov 2011 16:53:49 -0000 Received: (qmail 2891 invoked by uid 22791); 4 Nov 2011 16:53:47 -0000 X-SWARE-Spam-Status: No, hits=-2.8 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,TW_JY 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; Fri, 04 Nov 2011 16:53:34 +0000 From: "jye2 at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/38644] [4.4/4.5/4.6/4.7 Regression] Optimization flag -O1 -fschedule-insns2 causes wrong code Date: Fri, 04 Nov 2011 16:53:00 -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: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: jye2 at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.4.7 X-Bugzilla-Changed-Fields: 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: 2011-11/txt/msg00410.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38644 --- Comment #59 from jye2 at gcc dot gnu.org 2011-11-04 16:50:11 UTC --- Author: jye2 Date: Fri Nov 4 16:50:04 2011 New Revision: 180964 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=180964 Log: 2011-11-04 Jiangning Liu PR rtl-optimization/38644 * config/arm/arm.c (thumb1_expand_epilogue): Add memory barrier for epilogue having stack adjustment. testcase: * gcc.target/arm/stack-red-zone.c: New. Added: trunk/gcc/testsuite/gcc.target/arm/stack-red-zone.c Modified: trunk/gcc/ChangeLog trunk/gcc/config/arm/arm.c trunk/gcc/testsuite/ChangeLog