From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10678 invoked by alias); 19 May 2010 00:19:44 -0000 Received: (qmail 10666 invoked by uid 22791); 19 May 2010 00:19:43 -0000 X-SWARE-Spam-Status: No, hits=-0.2 required=5.0 tests=AWL,BAYES_00,DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED,RCVD_NUMERIC_HELO,SPF_HELO_PASS,T_RP_MATCHES_RCVD,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: sourceware.org Received: from lo.gmane.org (HELO lo.gmane.org) (80.91.229.12) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Wed, 19 May 2010 00:19:30 +0000 Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1OEX0M-00025Q-DK for gcc@gcc.gnu.org; Wed, 19 May 2010 02:19:22 +0200 Received: from 74.125.59.1 ([74.125.59.1]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 19 May 2010 02:19:22 +0200 Received: from jhaberman by 74.125.59.1 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 19 May 2010 02:19:22 +0200 To: gcc@gcc.gnu.org connect(): No such file or directory From: Joshua Haberman Subject: Re: useless stores generated when returning a struct -- bug? Date: Wed, 19 May 2010 00:19:00 -0000 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit User-Agent: Loom/3.14 (http://gmane.org/) X-IsSubscribed: yes Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-owner@gcc.gnu.org X-SW-Source: 2010-05/txt/msg00346.txt.bz2 Ian Lance Taylor google.com> writes: > Joshua Haberman gmail.com> writes: > > > I have a case where I think useless stores are being generated, but I > > want to be sure before I file a bug. This is with gcc 4.4.3 on Ubuntu > > 10.04, x86-64. > > I concur that this is a missed optimization bug. Thanks Ian. I'll file it as a bug. Josh