From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 105702 invoked by alias); 5 Jan 2016 10:13:19 -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 105690 invoked by uid 89); 5 Jan 2016 10:13:18 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-0.5 required=5.0 tests=AWL,BAYES_00,KAM_LAZY_DOMAIN_SECURITY,RP_MATCHES_RCVD autolearn=no version=3.3.2 spammy=recognition, combine, aid, hear X-HELO: foss.arm.com Received: from foss.arm.com (HELO foss.arm.com) (217.140.101.70) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Tue, 05 Jan 2016 10:13:18 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 2EDB449; Tue, 5 Jan 2016 02:12:44 -0800 (PST) Received: from [10.2.206.200] (e100706-lin.cambridge.arm.com [10.2.206.200]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 9C6303F308; Tue, 5 Jan 2016 02:13:15 -0800 (PST) Message-ID: <568B971A.6020203@foss.arm.com> Date: Tue, 05 Jan 2016 10:13:00 -0000 From: Kyrill Tkachov User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 MIME-Version: 1.0 To: Bernd Schmidt , GCC Patches CC: Segher Boessenkool , Jeff Law Subject: Re: [PATCH][combine][v2] Canonicalise (r + r) to (r << 1) to aid recognition References: <56741846.60708@foss.arm.com> <56741AB3.8020501@redhat.com> In-Reply-To: <56741AB3.8020501@redhat.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-SW-Source: 2016-01/txt/msg00134.txt.bz2 Hi all, On 18/12/15 14:39, Bernd Schmidt wrote: > On 12/18/2015 03:29 PM, Kyrill Tkachov wrote: >> Bootstrapped and tested on arm, aarch64, x86_64. >> As before, there were no codegen differences for SPEC2006 on x86_64. >> aarch64 SPEC2006 sees the effects described above. > > I think this is OK. There may be some question as to whether this is a bug fix, so please wait a few days for objections before committing. I'm assuming there's no place which tries to do the opposite transformation... > As I didn't hear see objections I'll be committing this later today. Thanks for the reviews. Kyrill > > Bernd >