From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5995 invoked by alias); 9 Apr 2013 09:59:24 -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 5969 invoked by uid 48); 9 Apr 2013 09:59:21 -0000 From: "mikpe at it dot uu.se" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/56888] memcpy implementation optimized as a call to memcpy Date: Tue, 09 Apr 2013 09:59:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: mikpe at it dot uu.se 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 X-SW-Source: 2013-04/txt/msg00722.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56888 --- Comment #2 from Mikael Pettersson 2013-04-09 09:59:20 UTC --- Started with Richard Biener's http://gcc.gnu.org/r188261 aka PR53081 fix, which added or improved memcpy recognition. I'm guess the new code fails to check for whatever option is supposed to disable this sort of transformation.