From owner-freebsd-current@FreeBSD.ORG  Sat Sep  1 01:37:54 2007
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id DE9D616A417;
	Sat,  1 Sep 2007 01:37:54 +0000 (UTC)
	(envelope-from sgk@troutmask.apl.washington.edu)
Received: from troutmask.apl.washington.edu (troutmask.apl.washington.edu
	[128.208.78.105])
	by mx1.freebsd.org (Postfix) with ESMTP id BFF1113C45B;
	Sat,  1 Sep 2007 01:37:54 +0000 (UTC)
	(envelope-from sgk@troutmask.apl.washington.edu)
Received: from troutmask.apl.washington.edu (localhost.apl.washington.edu
	[127.0.0.1])
	by troutmask.apl.washington.edu (8.14.1/8.14.1) with ESMTP id
	l811bYlZ012561; Fri, 31 Aug 2007 18:37:34 -0700 (PDT)
	(envelope-from sgk@troutmask.apl.washington.edu)
Received: (from sgk@localhost)
	by troutmask.apl.washington.edu (8.14.1/8.14.1/Submit) id
	l811bYA1012560; Fri, 31 Aug 2007 18:37:34 -0700 (PDT)
	(envelope-from sgk)
Date: Fri, 31 Aug 2007 18:37:33 -0700
From: Steve Kargl <sgk@troutmask.apl.washington.edu>
To: JoaoBR <joao@matik.com.br>
Message-ID: <20070901013733.GA12544@troutmask.apl.washington.edu>
References: <-3502020561049594852@unknownmsgid>
	<20070901000710.GA12223@dragon.NUXI.org>
	<200708312120.31912.joao@matik.com.br>
	<200708312226.26977.joao@matik.com.br>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <200708312226.26977.joao@matik.com.br>
User-Agent: Mutt/1.4.2.3i
Cc: Roman Divacky <rdivacky@freebsd.org>, freebsd-current@freebsd.org,
	pluknet <pluknet@gmail.com>, Bj?rn K?nig <bkoenig@cs.tu-berlin.de>
Subject: Re: Adding k9 and k10 to bsd.cpu.mk
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, 
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 01 Sep 2007 01:37:55 -0000

On Fri, Aug 31, 2007 at 10:26:25PM -0300, JoaoBR wrote:
> On Friday 31 August 2007 21:20:30 JoaoBR wrote:
> > > > opterons are not easy but it is already kind of advanced cpu so could
> > > > be
> > >
> > > Why are Opteron's any harder?
> >
> > because all of them are 64bit but some older ones are not SSE3 capable, <
> > 250 I guess now but 252 is but not 100% sure
> 
> 
> so just a thought, I have no not-sse3 capable anymore so I could check  but 
> asking the gcc guys here ...
> 
> what if I try to compile with -msse3 and it is not available, does it go 
> through or do I get invalid compile option and if it go through what may it 
> cost?

Yes, it will compile the code.  The result will most likely not run
if some code was translated to use a sse3 feature.

-- 
Steve