From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-patches-return-404423-listarch-gcc-patches=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 130077 invoked by alias); 31 Jul 2015 16:14:32 -0000
Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-patches.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-patches/>
List-Post: <mailto:gcc-patches@gcc.gnu.org>
List-Help: <mailto:gcc-patches-help@gcc.gnu.org>
Sender: gcc-patches-owner@gcc.gnu.org
Received: (qmail 130068 invoked by uid 89); 31 Jul 2015 16:14:31 -0000
Authentication-Results: sourceware.org; auth=none
X-Virus-Found: No
X-Spam-SWARE-Status: No, score=-3.7 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; Fri, 31 Jul 2015 16:14:25 +0000
Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26])	by mx1.redhat.com (Postfix) with ESMTPS id 6FFDD19CF3B;	Fri, 31 Jul 2015 16:14:24 +0000 (UTC)
Received: from [10.10.116.17] ([10.10.116.17])	by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t6VGENUB003210;	Fri, 31 Jul 2015 12:14:23 -0400
Subject: Re: C++ delayed folding branch review
To: Jeff Law <law@redhat.com>, Kai Tietz <ktietz70@googlemail.com>
References: <557A5214.7060106@redhat.com> <1424811417.1214725.1434125493982.JavaMail.zimbra@redhat.com> <557BAE5A.7030309@redhat.com> <55B661A1.6090308@redhat.com> <CAEwic4ZQomb_en7o4=n40j8cHU6-TXmhoSOZZOshiw1Pkgi0Bg@mail.gmail.com> <CAEwic4YufFNkdjaXxW0e1ExaGJk0xWwT8FJfiekJWa_mzVsxOQ@mail.gmail.com> <55B911DD.30105@redhat.com> <CAEwic4Z-MgOwdyY_GTP+hGrK6qHgRoys8d4Tj_kHMri7oGuqHQ@mail.gmail.com> <55BA5667.9040200@redhat.com> <55BAE20A.1070400@redhat.com>
Cc: Kai Tietz <ktietz@redhat.com>, gcc-patches List <gcc-patches@gcc.gnu.org>
From: Jason Merrill <jason@redhat.com>
Message-ID: <55BB9EDB.8030305@redhat.com>
Date: Fri, 31 Jul 2015 16:26:00 -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: <55BAE20A.1070400@redhat.com>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 7bit
X-SW-Source: 2015-07/txt/msg02684.txt.bz2

On 07/30/2015 10:48 PM, Jeff Law wrote:
> Note, anything outside of the C/C++ front-ends depending on that
> canonicalization done by shorten_compare is, IMHO, broken.

I think the OMP code isn't relying on it being done by shorten_compare; 
it's trying to do it itself in c_finish_omp_for but is somehow thwarted 
by delayed folding.

Jason