From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 11469 invoked by alias); 11 Oct 2007 16:19:33 -0000 Received: (qmail 11459 invoked by uid 22791); 11 Oct 2007 16:19:33 -0000 X-Spam-Check-By: sourceware.org Received: from VLSI1.ULTRA.NYU.EDU (HELO vlsi1.ultra.nyu.edu) (128.122.140.213) by sourceware.org (qpsmtpd/0.31) with SMTP; Thu, 11 Oct 2007 16:19:28 +0000 Received: by vlsi1.ultra.nyu.edu (4.1/1.34) id AA25408; Thu, 11 Oct 07 12:23:43 EDT From: kenner@vlsi1.ultra.nyu.edu (Richard Kenner) Message-Id: <10710111623.AA25408@vlsi1.ultra.nyu.edu> Date: Thu, 11 Oct 2007 16:19:00 -0000 To: richard.guenther@gmail.com Subject: Re: [PATCH] Fix optimization regression in constant folder Cc: ebotcazou@adacore.com, gcc-patches@gcc.gnu.org, iant@google.com, mark@codesourcery.com, matz@suse.de In-Reply-To: <84fc9c000710110906q4adce85qd17276bcd724c829@mail.gmail.com> References: <200709171539.26653.ebotcazou@adacore.com> <10710010056.AA15609@vlsi1.ultra.nyu.edu> <10710010257.AA21585@vlsi1.ultra.nyu.edu> <10710010344.AA22633@vlsi1.ultra.nyu.edu> <470D0C50.4080506@codesourcery.com> <10710111536.AA24058@vlsi1.ultra.nyu.edu> <84fc9c000710110906q4adce85qd17276bcd724c829@mail.gmail.com> Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org X-SW-Source: 2007-10/txt/msg00652.txt.bz2 > The only reason to have sizetype is that there may be no language defined > integral type of the required precision (which is the precision of > pointers AFAIK). No, it's needed to be sure that there's a consistent type used for all sizing calculations in the middle-end. In fact, it is normally REQUIRED that there be a user-visible type with the same precision and signedness.