From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 24379 invoked by alias); 14 May 2010 12:20:06 -0000 Received: (qmail 24176 invoked by uid 48); 14 May 2010 12:19:48 -0000 Date: Fri, 14 May 2010 12:20:00 -0000 Message-ID: <20100514121948.24175.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug middle-end/44134] Unneeded +0.0 for c = 0.0 ; c = c+ a*b In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "rguenth at gcc dot gnu dot org" 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: 2010-05/txt/msg01508.txt.bz2 ------- Comment #1 from rguenth at gcc dot gnu dot org 2010-05-14 12:19 ------- But -0.0 + 0.0 is 0.0, so the transformation is only valid for -fno-signed-zeros. -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |INVALID http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44134