From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 24020 invoked by alias); 14 May 2013 14:37:50 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 24011 invoked by uid 89); 14 May 2013 14:37:50 -0000 X-Spam-SWARE-Status: No, score=-6.6 required=5.0 tests=AWL,BAYES_00,RCVD_IN_HOSTKARMA_W,RCVD_IN_HOSTKARMA_WL,RP_MATCHES_RCVD,SPF_HELO_PASS,SPF_PASS autolearn=ham version=3.3.1 Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.84/v0.84-167-ge50287c) with ESMTP; Tue, 14 May 2013 14:37:50 +0000 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id r4EEbmUH004497 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 14 May 2013 10:37:49 -0400 Received: from barimba (ovpn-113-133.phx2.redhat.com [10.3.113.133]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id r4EEblkW016591 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Tue, 14 May 2013 10:37:48 -0400 From: Tom Tromey To: Pedro Alves Cc: gdb-patches@sourceware.org Subject: Re: [RFC, v2] Fix PR symtab/15391 References: <87hai57jsc.fsf@fleche.redhat.com> <51924AB0.7070402@redhat.com> Date: Tue, 14 May 2013 14:37:00 -0000 In-Reply-To: <51924AB0.7070402@redhat.com> (Pedro Alves's message of "Tue, 14 May 2013 15:31:12 +0100") Message-ID: <874ne57hl0.fsf@fleche.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-SW-Source: 2013-05/txt/msg00470.txt.bz2 >>>>> "Pedro" == Pedro Alves writes: Pedro> I believe left-shifting a negative number is actually undefined Pedro> behavior. Whoops. Thanks for noticing. I will fix that. Maybe we need a generic sign-extension function. I see a lot of code around to do this various ways. Tom