From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 25212 invoked by alias); 21 May 2011 16:27:07 -0000 Received: (qmail 25200 invoked by uid 22791); 21 May 2011 16:27:05 -0000 X-SWARE-Spam-Status: No, hits=-2.1 required=5.0 tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,RFC_ABUSE_POST X-Spam-Check-By: sourceware.org Received: from mail-fx0-f41.google.com (HELO mail-fx0-f41.google.com) (209.85.161.41) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sat, 21 May 2011 16:26:51 +0000 Received: by fxm18 with SMTP id 18so4003117fxm.0 for ; Sat, 21 May 2011 09:26:50 -0700 (PDT) Received: by 10.223.27.195 with SMTP id j3mr493905fac.83.1305995210185; Sat, 21 May 2011 09:26:50 -0700 (PDT) MIME-Version: 1.0 Received: by 10.223.114.12 with HTTP; Sat, 21 May 2011 09:26:10 -0700 (PDT) In-Reply-To: <20110521161838.GA14077@host1.jankratochvil.net> References: <20110521161838.GA14077@host1.jankratochvil.net> From: Hui Zhu Date: Sat, 21 May 2011 16:27:00 -0000 Message-ID: Subject: Re: [BUG]Something wrong with evaluate To: Jan Kratochvil Cc: gdb@sourceware.org Content-Type: text/plain; charset=ISO-8859-1 X-IsSubscribed: yes Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org X-SW-Source: 2011-05/txt/msg00114.txt.bz2 That is a gcc bug? Thanks, Hui On Sun, May 22, 2011 at 00:18, Jan Kratochvil wrote: > On Sat, 21 May 2011 18:08:13 +0200, Hui Zhu wrote: >> GDB does not (yet) know how to evaluate that kind of expression > > gdb: gdb forgot how to do arithmetic > https://bugzilla.redhat.com/show_bug.cgi?id=635508 > -> > gcc: -O1 wrong-code by cmove > https://bugzilla.redhat.com/show_bug.cgi?id=634757 > -> > gcc: [4.5/4.6 Regression] -O1 wrong-code by cmove > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45695 > > > Regards, > Jan >