From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5754 invoked by alias); 1 Oct 2015 13:37:46 -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 5680 invoked by uid 89); 1 Oct 2015 13:37:46 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.4 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=ham version=3.3.2 X-HELO: mail-ob0-f176.google.com Received: from mail-ob0-f176.google.com (HELO mail-ob0-f176.google.com) (209.85.214.176) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES128-GCM-SHA256 encrypted) ESMTPS; Thu, 01 Oct 2015 13:37:44 +0000 Received: by obbda8 with SMTP id da8so57720855obb.1 for ; Thu, 01 Oct 2015 06:37:41 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.182.60.37 with SMTP id e5mr5856014obr.22.1443706661391; Thu, 01 Oct 2015 06:37:41 -0700 (PDT) Received: by 10.76.175.132 with HTTP; Thu, 1 Oct 2015 06:37:41 -0700 (PDT) In-Reply-To: References: Date: Thu, 01 Oct 2015 13:37:00 -0000 Message-ID: Subject: Re: [PATCH] Tune for lakemont From: "H.J. Lu" To: Uros Bizjak Cc: Yulia Koval , GCC Patches Content-Type: text/plain; charset=UTF-8 X-IsSubscribed: yes X-SW-Source: 2015-10/txt/msg00062.txt.bz2 On Thu, Oct 1, 2015 at 5:42 AM, Uros Bizjak wrote: > On Thu, Oct 1, 2015 at 2:37 PM, Yulia Koval wrote: >> Hi, >> >> The patch below contains some tuning changes for Lakemont, introduced >> by H.J. Lu. Bootstraped/regtested for Linux/x86_64. Ok for trunk? >> >> * gcc/config/i386/x86-tune.def (X86_TUNE_USE_BT): Enable >> for Lakemont. >> (X86_TUNE_ZERO_EXTEND_WITH_AND): Disable for Lakemont. > > Non-algorithmic tuning of various parameters, especially the ones in > x86-tune.def, is always OK and pre-approved as an "obvious" patch. > Checked in. Thanks. -- H.J.