From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 4688 invoked by alias); 14 Mar 2013 20:33:51 -0000 Received: (qmail 4633 invoked by uid 48); 14 Mar 2013 20:33:28 -0000 From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/56620] Memcpy optimization may lead to unaligned access on ARM Thumb Date: Thu, 14 Mar 2013 20:33:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- 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: 2013-03/txt/msg01103.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56620 --- Comment #4 from Andrew Pinski 2013-03-14 20:33:27 UTC --- I think you are required to use -mno-unaligned-access for armv7 targets where you doing bare metal work without the page table setup.