From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 4341 invoked by alias); 21 Dec 2012 13:53:00 -0000 Received: (qmail 4264 invoked by uid 48); 21 Dec 2012 13:52:37 -0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/55771] Negation and type conversion incorrectly exchanged Date: Fri, 21 Dec 2012 13:53:00 -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: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Component 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: 2012-12/txt/msg02121.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55771 Richard Biener changed: What |Removed |Added ---------------------------------------------------------------------------- Component|c |middle-end --- Comment #7 from Richard Biener 2012-12-21 13:52:36 UTC --- Ah, indeed - I misremembered a dup that was doing the opposite, converting -1.0 to unsigned and expecting -1U as result. It's fold converting (float)(-x) to -(float)x: float f1() { unsigned long x = 3; return -x; }