From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by dpdk.org (Postfix) with ESMTP id EEDDB2BF0 for ; Mon, 5 Sep 2016 05:24:26 +0200 (CEST) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga105.jf.intel.com with ESMTP; 04 Sep 2016 20:24:25 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.30,284,1470726000"; d="scan'208";a="1035477408" Received: from fmsmsx106.amr.corp.intel.com ([10.18.124.204]) by fmsmga001.fm.intel.com with ESMTP; 04 Sep 2016 20:24:25 -0700 Received: from fmsmsx153.amr.corp.intel.com (10.18.125.6) by FMSMSX106.amr.corp.intel.com (10.18.124.204) with Microsoft SMTP Server (TLS) id 14.3.248.2; Sun, 4 Sep 2016 20:24:25 -0700 Received: from shsmsx104.ccr.corp.intel.com (10.239.4.70) by FMSMSX153.amr.corp.intel.com (10.18.125.6) with Microsoft SMTP Server (TLS) id 14.3.248.2; Sun, 4 Sep 2016 20:24:24 -0700 Received: from shsmsx103.ccr.corp.intel.com ([169.254.4.102]) by SHSMSX104.ccr.corp.intel.com ([169.254.5.174]) with mapi id 14.03.0248.002; Mon, 5 Sep 2016 11:24:22 +0800 From: "Liu, Yong" To: "Pattan, Reshma" , Thomas Monjalon CC: "dev@dpdk.org" Thread-Topic: [dpdk-dev] [PATCH] mk: gcc -march support for intel processors code names Thread-Index: AQHR/QMtthWRoJkwh0+CmKgBhhkDeqBqTedw Date: Mon, 5 Sep 2016 03:24:22 +0000 Message-ID: <86228AFD5BCD8E4EBFD2B90117B5E81E6022C19B@SHSMSX103.ccr.corp.intel.com> References: <1471273328-16390-1-git-send-email-reshma.pattan@intel.com> <4141702.2z8BGRLWcg@xps13> <3AEA2BF9852C6F48A459DA490692831F010728ED@IRSMSX109.ger.corp.intel.com> In-Reply-To: <3AEA2BF9852C6F48A459DA490692831F010728ED@IRSMSX109.ger.corp.intel.com> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiNmQ5MDYwY2EtM2EyNC00MTQ2LTkwODItZWNiYmRjMTJkNzIwIiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX0lDIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE1LjkuNi42IiwiVHJ1c3RlZExhYmVsSGFzaCI6Ilh5T1FGQVBxbDZKek9Kdm04TXp2b1wvT3BBMmJVTWZveUlSTU1pNlNJaUpRPSJ9 x-ctpclassification: CTP_IC x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-dev] [PATCH] mk: gcc -march support for intel processors code names X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Sep 2016 03:24:27 -0000 > -----Original Message----- > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Pattan, Reshma > Sent: Monday, August 22, 2016 7:46 PM > To: Thomas Monjalon > Cc: dev@dpdk.org > Subject: Re: [dpdk-dev] [PATCH] mk: gcc -march support for intel > processors code names >=20 >=20 >=20 > > -----Original Message----- > > From: Thomas Monjalon [mailto:thomas.monjalon@6wind.com] > > Sent: Monday, August 22, 2016 12:25 PM > > To: Pattan, Reshma > > Cc: dev@dpdk.org > > Subject: Re: [dpdk-dev] [PATCH] mk: gcc -march support for intel > processors > > code names > > > > 2016-08-15 16:02, Reshma Pattan: > > > The GCC 4.9 -march option supports the intel code names for > > > processors, for example -march=3Dsilvermont, -march=3Dbroadwell. > > > The RTE_MACHINE config flag can be used to pass code name to the > > > compiler as -march flag. Also old gcc versions compatibility code for > > > the intel platform is removed from > > > mk/toolchain/gcc/rte.toolchain-compat.mk > > > > Do you mean to not support GCC < 4.9 ? >=20 > Yes. >=20 >=20 Reshma,=20 In our regression plan, lots of distribution's default gcc version are < 4.= 9.=20 This patch will block gcc related test on the OSs listed below.=20 Ubuntu 12.04/14.04 Fedora18/20 Suse11SP2/Suse12SP3 RHEL7.0/7.2, CentOS7.0 FreeBSD10.0/10.3