From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 2505 invoked by alias); 27 Jul 2015 16:14:49 -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 2496 invoked by uid 89); 27 Jul 2015 16:14:48 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=AWL,BAYES_00,KAM_LAZY_DOMAIN_SECURITY,RP_MATCHES_RCVD,SPF_HELO_PASS autolearn=ham version=3.3.2 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 (AES256-GCM-SHA384 encrypted) ESMTPS; Mon, 27 Jul 2015 16:14:47 +0000 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (Postfix) with ESMTPS id 5BE62A89; Mon, 27 Jul 2015 16:14:46 +0000 (UTC) Received: from localhost.localdomain (ovpn-113-123.phx2.redhat.com [10.3.113.123]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t6RGEg5r016925; Mon, 27 Jul 2015 12:14:44 -0400 Subject: Re: [PATCH 0/9] start converting POINTER_SIZE to a hook To: Richard Biener , tbsaunde+gcc@tbsaunde.org References: <1437966615-21093-1-git-send-email-tbsaunde+gcc@tbsaunde.org> Cc: GCC Patches From: Jeff Law Message-ID: <55B658F1.10300@redhat.com> Date: Mon, 27 Jul 2015 16:20:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes X-SW-Source: 2015-07/txt/msg02279.txt.bz2 On 07/27/2015 03:17 AM, Richard Biener wrote: > On Mon, Jul 27, 2015 at 5:10 AM, wrote: >> From: Trevor Saunders >> >> Hi, >> >> $subject. >> >> patches individually bootstrapped + regtested on x86_64-linux-gnu, and run >> through config-list.mk with more patches removing usage of the macro. Ok? > > With POINTER_SIZE now being expensive (target hook) you might consider > moving most users to use pointer_sized_int_node or some other global > derived from POINTER_SIZE. > > Which of course raises the question of why we are hookizing this... if you'd > want a truly switchable target you'd have to switch all global trees as well > (or hookize them individually). Not sure -- it doesn't remove any conditionally compiled code... One could easily argue that it's just another step on the path towards a switchable target -- which in and of itself is a reasonable design goal. Trevor, maybe a quick note on the motivation would help here... jeff