From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 39331 invoked by alias); 2 Oct 2015 07:48:56 -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 39319 invoked by uid 89); 2 Oct 2015 07:48:55 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.7 required=5.0 tests=AWL,BAYES_00,KAM_LAZY_DOMAIN_SECURITY,RCVD_IN_DNSWL_LOW autolearn=no version=3.3.2 X-HELO: smtp.eu.adacore.com Received: from mel.act-europe.fr (HELO smtp.eu.adacore.com) (194.98.77.210) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-GCM-SHA384 encrypted) ESMTPS; Fri, 02 Oct 2015 07:48:55 +0000 Received: from localhost (localhost [127.0.0.1]) by filtered-smtp.eu.adacore.com (Postfix) with ESMTP id 9D2652F9BA73; Fri, 2 Oct 2015 09:48:52 +0200 (CEST) Received: from smtp.eu.adacore.com ([127.0.0.1]) by localhost (smtp.eu.adacore.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id RR5D2LH6ZnN4; Fri, 2 Oct 2015 09:48:52 +0200 (CEST) Received: from polaris.localnet (bon31-6-88-161-99-133.fbx.proxad.net [88.161.99.133]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.eu.adacore.com (Postfix) with ESMTPSA id 7D4B82F9BADC; Fri, 2 Oct 2015 09:48:52 +0200 (CEST) From: Eric Botcazou To: Richard Biener Cc: gcc-patches@gcc.gnu.org, Jan Hubicka Subject: Re: Do not use TYPE_CANONICAL in useless_type_conversion Date: Fri, 02 Oct 2015 07:48:00 -0000 Message-ID: <1660591.gtpPs1tyNa@polaris> User-Agent: KMail/4.7.2 (Linux/3.1.10-1.29-desktop; KDE/4.7.2; x86_64; ; ) In-Reply-To: References: <20150930211235.GB30640@kam.mff.cuni.cz> <57801859.QRu7TrYMFC@polaris> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-SW-Source: 2015-10/txt/msg00160.txt.bz2 > Yeah, though we don't have conversions of aggregates. We use the > predicate to tell whether an aggregate assignment is valid GIMPLE. > LHS and RHS alignment do not have to match AFAIK. So it doesn't control whether VIEW_CONVERT_EXPRs are preserved or not? -- Eric Botcazou