From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 36504 invoked by alias); 9 Mar 2017 06:22:38 -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 36480 invoked by uid 89); 9 Mar 2017 06:22:37 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_NONE,SPF_HELO_PASS autolearn=ham version=3.3.2 spammy=Hauthentication-results:gcc.gnu.org, Hx-languages-length:493 X-HELO: NAM01-BN3-obe.outbound.protection.outlook.com Received: from mail-bn3nam01on0062.outbound.protection.outlook.com (HELO NAM01-BN3-obe.outbound.protection.outlook.com) (104.47.33.62) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Thu, 09 Mar 2017 06:22:36 +0000 Received: from CO2PR07MB2694.namprd07.prod.outlook.com (10.166.214.7) by CO2PR07MB2614.namprd07.prod.outlook.com (10.166.213.137) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.947.12; Thu, 9 Mar 2017 06:22:34 +0000 Received: from CO2PR07MB2694.namprd07.prod.outlook.com ([10.166.214.7]) by CO2PR07MB2694.namprd07.prod.outlook.com ([10.166.214.7]) with mapi id 15.01.0947.020; Thu, 9 Mar 2017 06:22:33 +0000 From: "Hurugalawadi, Naveen" To: James Greenhalgh CC: "gcc-patches@gcc.gnu.org" , "Pinski, Andrew" , Marcus Shawcroft , Richard Earnshaw , "nd@arm.com" Subject: Re: [PATCH][AArch64] Implement ALU_BRANCH fusion Date: Thu, 09 Mar 2017 06:22:00 -0000 Message-ID: References: ,<20170308180359.GD25712@arm.com> In-Reply-To: <20170308180359.GD25712@arm.com> authentication-results: gcc.gnu.org; dkim=none (message not signed) header.d=none;gcc.gnu.org; dmarc=none action=none header.from=cavium.com; x-microsoft-exchange-diagnostics: 1;CO2PR07MB2614;7:jSmStHPv6Af9pO1zku1i6yn7+p7w5tEdivqQ8U0P9VILCX0uhv4rVsy6XEA7kQWX//T2oFjA1PEMyzD3sStdDqDNCv3wkpCRhKgSQjfiiKqhxfUfD+ugqB8gZq/bcFGNVWFqRwZ2s9MG+RUb2LstmGiWlN36Rx2pmFNipgDN6RzYhOTUygl+3TimmNOpvDpUvIRrdTz8kQ2pm+zs/+PKF5cf5P+XGkxbEwtnPsNqBZrSqvhExsCuxryVJz2R3cq8jBqQAhKLhV/tqT7C5Zrr4z5fuCHjmE86FZ55TfDwdw/xi8XA/Cjk+3P6IqBARl1MxUoQapIQd2droTPkeuMduw== x-forefront-antispam-report: SFV:SKI;SCL:-1SFV:NSPM;SFS:(10009020)(6009001)(39450400003)(51914003)(2906002)(66066001)(110136004)(6246003)(3280700002)(77096006)(305945005)(5660300001)(53936002)(38730400002)(74316002)(9686003)(25786008)(8676002)(81166006)(3846002)(102836003)(8936002)(86362001)(189998001)(3660700001)(7736002)(54906002)(6506006)(33656002)(7696004)(106116001)(122556002)(229853002)(2900100001)(6116002)(99286003)(2950100002)(6436002)(4326008)(6916009)(50986999)(54356999)(55016002);DIR:OUT;SFP:1101;SCL:1;SRVR:CO2PR07MB2614;H:CO2PR07MB2694.namprd07.prod.outlook.com;FPR:;SPF:None;MLV:sfv;LANG:en; x-ms-office365-filtering-correlation-id: 9cf60b27-3ba4-4345-939e-08d466b4ac74 x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(22001);SRVR:CO2PR07MB2614; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:; x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(6040375)(601004)(2401047)(8121501046)(5005006)(3002001)(10201501046)(6041248)(20161123564025)(20161123562025)(20161123555025)(20161123558025)(20161123560025)(6072148);SRVR:CO2PR07MB2614;BCL:0;PCL:0;RULEID:;SRVR:CO2PR07MB2614; x-forefront-prvs: 0241D5F98C spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: cavium.com X-MS-Exchange-CrossTenant-originalarrivaltime: 09 Mar 2017 06:22:33.8108 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 711e4ccf-2e9b-4bcf-a551-4094005b6194 X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO2PR07MB2614 X-SW-Source: 2017-03/txt/msg00392.txt.bz2 Hi James, Thanks for the review and your comments. >> I'd need more detail on what types of instruction pairs you >> are trying to fuse.=20 The documentation mentions it as follows:- Single uop ALU instruction may fuse with adjacent branch instruction in the= same bundle >> This comment looks incorrect - there is no vulcan_alu_basic reservation Modified as per comment. Please let us know if the description is sufficient? Thanks, Naveen