From owner-freebsd-arch@FreeBSD.ORG  Tue Oct 23 14:18:50 2012
Return-Path: <owner-freebsd-arch@FreeBSD.ORG>
Delivered-To: freebsd-arch@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
 by hub.freebsd.org (Postfix) with ESMTP id 28520D71
 for <freebsd-arch@freebsd.org>; Tue, 23 Oct 2012 14:18:50 +0000 (UTC)
 (envelope-from jhb@freebsd.org)
Received: from bigwig.baldwin.cx (bigknife-pt.tunnel.tserv9.chi1.ipv6.he.net
 [IPv6:2001:470:1f10:75::2])
 by mx1.freebsd.org (Postfix) with ESMTP id EB3B48FC0C
 for <freebsd-arch@freebsd.org>; Tue, 23 Oct 2012 14:18:49 +0000 (UTC)
Received: from jhbbsd.localnet (unknown [209.249.190.124])
 by bigwig.baldwin.cx (Postfix) with ESMTPSA id 5FD13B91A;
 Tue, 23 Oct 2012 10:18:49 -0400 (EDT)
From: John Baldwin <jhb@freebsd.org>
To: freebsd-arch@freebsd.org
Subject: Re: using SSE2 in kernel C code (improving AES-NI module)
Date: Tue, 23 Oct 2012 08:34:20 -0400
User-Agent: KMail/1.13.5 (FreeBSD/8.2-CBSD-20110714-p20; KDE/4.5.5; amd64; ; )
References: <20121019233833.GS1967@funkthat.com>
 <20121021061011.GG35915@deviant.kiev.zoral.com.ua>
 <20121023070417.GD1563@funkthat.com>
In-Reply-To: <20121023070417.GD1563@funkthat.com>
MIME-Version: 1.0
Content-Type: Text/Plain;
  charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
Message-Id: <201210230834.20167.jhb@freebsd.org>
X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.7
 (bigwig.baldwin.cx); Tue, 23 Oct 2012 10:18:49 -0400 (EDT)
Cc: Konstantin Belousov <kostikbel@gmail.com>,
 John-Mark Gurney <jmg@funkthat.com>
X-BeenThere: freebsd-arch@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: Discussion related to FreeBSD architecture <freebsd-arch.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-arch>,
 <mailto:freebsd-arch-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-arch>
List-Post: <mailto:freebsd-arch@freebsd.org>
List-Help: <mailto:freebsd-arch-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-arch>,
 <mailto:freebsd-arch-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 23 Oct 2012 14:18:50 -0000

On Tuesday, October 23, 2012 3:04:17 am John-Mark Gurney wrote:
> Konstantin Belousov wrote this message on Sun, Oct 21, 2012 at 09:10 +0300:
> > Most likely, you can put the ${CFLAGS} on the command line, followed
> > by -msse -msse2.
> 
> I can't use CFLAGS because it removes access to the xmmintrin.h header
> file...  It looks like an option is to use:
> -fpic ${OPTFLAGS:C/^-O2$/-O3/} ${DEBUG}

Err, shouldn't later options override new ones?  If you have
"${CFLAGS} -msse -msse2 -maes" does that not work?  

-- 
John Baldwin