From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10115 invoked by alias); 8 Jan 2013 18:01:11 -0000 Received: (qmail 8976 invoked by uid 55); 8 Jan 2013 18:00:31 -0000 From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/55845] [4.8 Regression] 454.calculix miscompares with -march=btver2 -O3 -ffastmath -fschedule-insns -mvzeroupper for test data run Date: Tue, 08 Jan 2013 18:01:00 -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: jakub at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.8.0 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: 2013-01/txt/msg00687.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55845 --- Comment #11 from Jakub Jelinek 2013-01-08 18:00:30 UTC --- Author: jakub Date: Tue Jan 8 18:00:10 2013 New Revision: 195028 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195028 Log: PR rtl-optimization/55845 * df-problems.c (can_move_insns_across): Stop scanning at volatile_insn_p source instruction or give up if across_from .. across_to range contains any volatile_insn_p instructions. * gcc.target/i386/pr55845.c: New test. Added: trunk/gcc/testsuite/gcc.target/i386/pr55845.c Modified: trunk/gcc/ChangeLog trunk/gcc/df-problems.c trunk/gcc/testsuite/ChangeLog