From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261347AbTJWAPy (ORCPT ); Wed, 22 Oct 2003 20:15:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261351AbTJWAPy (ORCPT ); Wed, 22 Oct 2003 20:15:54 -0400 Received: from mx1.redhat.com ([66.187.233.31]:28689 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S261347AbTJWAPx (ORCPT ); Wed, 22 Oct 2003 20:15:53 -0400 Date: Thu, 23 Oct 2003 01:15:47 +0100 From: Dave Jones To: "Joseph D. Wagner" Cc: linux-kernel@vger.kernel.org Subject: Re: FEATURE REQUEST: Specific Processor Optimizations on x86 Architecture Message-ID: <20031023001547.GA18395@redhat.com> Mail-Followup-To: Dave Jones , "Joseph D. Wagner" , linux-kernel@vger.kernel.org References: <200310221855.15925.theman@josephdwagner.info> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200310221855.15925.theman@josephdwagner.info> User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Oct 22, 2003 at 06:55:15PM +0600, Joseph D. Wagner wrote: > If you select Pentium III, the -march flag is set to pentium3. > If you select Pentium 4, the -march flag is set to pentium4. Already done for 2.6 > If you select Athlon 4, the -march flag is set to athlon-4. > If you select Athlon XP, the -march flag is set to athlon-xp. Last time I looked these made absolutely no difference to performance due to the only differences being on FP code. Dave -- Dave Jones http://www.codemonkey.org.uk