From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 12405 invoked by alias); 17 Jun 2011 17:49:52 -0000 Received: (qmail 12392 invoked by uid 22791); 17 Jun 2011 17:49:50 -0000 X-SWARE-Spam-Status: No, hits=-2.3 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_LOW,TW_BD X-Spam-Check-By: sourceware.org Received: from ch1ehsobe003.messaging.microsoft.com (HELO CH1EHSOBE018.bigfish.com) (216.32.181.183) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Fri, 17 Jun 2011 17:49:28 +0000 Received: from mail186-ch1-R.bigfish.com (216.32.181.173) by CH1EHSOBE018.bigfish.com (10.43.70.68) with Microsoft SMTP Server id 14.1.225.22; Fri, 17 Jun 2011 17:49:27 +0000 Received: from mail186-ch1 (localhost.localdomain [127.0.0.1]) by mail186-ch1-R.bigfish.com (Postfix) with ESMTP id 238A982830B; Fri, 17 Jun 2011 17:49:27 +0000 (UTC) X-SpamScore: -7 X-BigFish: VPS-7(z1039oz4015L1432N1453Mzz1202hzzz32i668h839h61h) X-Spam-TCS-SCL: 0:0 X-Forefront-Antispam-Report: CIP:163.181.249.108;KIP:(null);UIP:(null);IPVD:NLI;H:ausb3twp01.amd.com;RD:none;EFVD:NLI Received: from mail186-ch1 (localhost.localdomain [127.0.0.1]) by mail186-ch1 (MessageSwitch) id 1308332966944002_8111; Fri, 17 Jun 2011 17:49:26 +0000 (UTC) Received: from CH1EHSMHS025.bigfish.com (snatpool1.int.messaging.microsoft.com [10.43.68.253]) by mail186-ch1.bigfish.com (Postfix) with ESMTP id E01AE1100046; Fri, 17 Jun 2011 17:49:26 +0000 (UTC) Received: from ausb3twp01.amd.com (163.181.249.108) by CH1EHSMHS025.bigfish.com (10.43.70.25) with Microsoft SMTP Server id 14.1.225.22; Fri, 17 Jun 2011 17:49:25 +0000 X-M-MSG: Received: from sausexedgep02.amd.com (sausexedgep02-ext.amd.com [163.181.249.73]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by ausb3twp01.amd.com (Axway MailGate 3.8.1) with ESMTP id 2854AD10035; Fri, 17 Jun 2011 12:49:20 -0500 (CDT) Received: from sausexhtp02.amd.com (163.181.3.152) by sausexedgep02.amd.com (163.181.36.59) with Microsoft SMTP Server (TLS) id 8.3.106.1; Fri, 17 Jun 2011 12:49:53 -0500 Received: from SAUSEXMBP01.amd.com ([163.181.3.198]) by sausexhtp02.amd.com ([163.181.3.152]) with mapi; Fri, 17 Jun 2011 12:49:23 -0500 From: "Fang, Changpeng" To: "H.J. Lu" CC: Richard Guenther , "gcc-patches@gcc.gnu.org" Date: Fri, 17 Jun 2011 18:08:00 -0000 Subject: RE: [PATCH, PR 49089] Don't split AVX256 unaligned loads by default on bdver1 and generic Message-ID: References: , In-Reply-To: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: amd.com 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 X-SW-Source: 2011-06/txt/msg01351.txt.bz2 >Why not just move AVX256_SPLIT_UNALIGNED_STORE >and AVX256_SPLIT_UNALIGNED_LOAD to ix86_tune_indices? I would like to keep the -m option so that at least we can explicitly turn off the splittings when regressions are found! By the way, I can add an index for store splitting, if you want. Thanks, Changpeng H.J. > Changpeng > > > >>> So, is it OK to commit this patch to trunk, and H.J's original patch + = this to 4.6 branch? >>> >>> > >>I have no problems on -mtune=3DBulldozer. But I object -mtune=3Dgeneric >>change and did suggest a different approach for -mtune=3Dgeneric. > > > . > > -- H.J.