From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 106796 invoked by alias); 17 Nov 2017 17:49:16 -0000 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 Received: (qmail 106728 invoked by uid 89); 17 Nov 2017 17:49:10 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-0.7 required=5.0 tests=BAYES_00,KAM_LAZY_DOMAIN_SECURITY,KB_WAM_FROM_NAME_SINGLEWORD,RP_MATCHES_RCVD,SPF_HELO_PASS autolearn=no version=3.3.2 spammy=Hx-languages-length:426 X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Fri, 17 Nov 2017 17:49:09 +0000 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 753331555A; Fri, 17 Nov 2017 17:49:08 +0000 (UTC) Received: from greed.delorie.com (ovpn-120-155.rdu2.redhat.com [10.10.120.155]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 3188783A80; Fri, 17 Nov 2017 17:49:08 +0000 (UTC) Received: from greed.delorie.com.redhat.com (localhost [127.0.0.1]) by greed.delorie.com (8.14.7/8.14.7) with ESMTP id vAHHn6jR008261; Fri, 17 Nov 2017 12:49:07 -0500 From: DJ Delorie To: Richard Biener Cc: joseph@codesourcery.com, marc.glisse@inria.fr, jason@redhat.com, jakub@redhat.com, gcc-patches@gcc.gnu.org, uweigand@de.ibm.com, enkovich.gnu@gmail.com Subject: Re: [RFTesting] New POINTER_DIFF_EXPR In-Reply-To: <0A419F7A-11D5-40B8-9506-9038EFFB1223@gmail.com> (message from Richard Biener on Fri, 17 Nov 2017 18:42:42 +0100) Date: Fri, 17 Nov 2017 17:54:00 -0000 Message-ID: MIME-Version: 1.0 Content-Type: text/plain X-IsSubscribed: yes X-SW-Source: 2017-11/txt/msg01526.txt.bz2 Richard Biener writes: > The question is what ptrdiff_t is for a specific address space. Or > rather if that type may be dependent on the address space or if we can > always use that of the default address space. Some targets have a "far" address space that's bigger than the default. rl78 for example has a 16-bit default pointer and a 32-bit far pointer.