From owner-freebsd-current  Sat Mar 22 23:41:17 2003
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 3F03D37B404
	for <freebsd-current@FreeBSD.org>; Sat, 22 Mar 2003 23:41:16 -0800 (PST)
Received: from HAL9000.homeunix.com (12-233-57-131.client.attbi.com [12.233.57.131])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 8347D43FB1
	for <freebsd-current@FreeBSD.org>; Sat, 22 Mar 2003 23:41:14 -0800 (PST)
	(envelope-from das@FreeBSD.org)
Received: from HAL9000.homeunix.com (localhost [127.0.0.1])
	by HAL9000.homeunix.com (8.12.6/8.12.5) with ESMTP id h2N7fEuQ080949;
	Sat, 22 Mar 2003 23:41:14 -0800 (PST)
	(envelope-from das@FreeBSD.org)
Received: (from das@localhost)
	by HAL9000.homeunix.com (8.12.6/8.12.5/Submit) id h2N7fE1u080948;
	Sat, 22 Mar 2003 23:41:14 -0800 (PST)
	(envelope-from das@FreeBSD.org)
Date: Sat, 22 Mar 2003 23:41:14 -0800
From: David Schultz <das@FreeBSD.org>
To: Anti <fearow@attbi.com>
Cc: Steve Kargl <sgk@troutmask.apl.washington.edu>,
	till@f111.hadiko.de, freebsd-current@FreeBSD.org
Subject: Re: libm problem
Message-ID: <20030323074114.GA80906@HAL9000.homeunix.com>
Mail-Followup-To: Anti <fearow@attbi.com>,
	Steve Kargl <sgk@troutmask.apl.washington.edu>, till@f111.hadiko.de,
	freebsd-current@FreeBSD.org
References: <20030318173051.GA2322@f111.hadiko.de> <20030319131317.GA670@HAL9000.homeunix.com> <20030321235237.GA8097@f111.hadiko.de> <20030322111233.F4471@gamplex.bde.org> <20030322005435.GA8393@f111.hadiko.de> <20030322051443.GA13854@HAL9000.homeunix.com> <20030322182846.GA81615@troutmask.apl.washington.edu> <20030322123951.67271b29.fearow@attbi.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20030322123951.67271b29.fearow@attbi.com>
Sender: owner-freebsd-current@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-current.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20freebsd-current>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20freebsd-current>
X-Loop: FreeBSD.ORG

Thus spake Anti <fearow@attbi.com>:
> On Sat, 22 Mar 2003 10:28:46 -0800
> Steve Kargl <sgk@troutmask.apl.washington.edu> wrote:
> 
> > Pentium 4 is definitely broken on 5.x.  Perhaps, we should remove
> > the footshooting.
> > 
> > --- bsd.cpu.mk.orig     Sat Mar 22 10:23:42 2003
> > +++ bsd.cpu.mk  Sat Mar 22 10:27:11 2003
> > @@ -62,7 +62,9 @@
> >  .  elif ${CPUTYPE} == "k5"
> >  _CPUCFLAGS = -march=pentium
> >  .  elif ${CPUTYPE} == "p4"
> > -_CPUCFLAGS = -march=pentium4
> > +# XXX gcc 3.2.2 appears to generate bad code on FreeBSD 5.x
> > +#_CPUCFLAGS = -march=pentium4
> > +_CPUCFLAGS = -march=pentiumpro
> >  .  elif ${CPUTYPE} == "p3"
> >  _CPUCFLAGS = -march=pentium3
> >  .  elif ${CPUTYPE} == "p2"
> 
> 
> pentium3 would be better than pentiumpro on a p4 i think...

You would think so, but in my (limited) testing on a P3, this does
not appear to be the case with gcc3 in -CURRENT.  Optimizing for a
Ppro worked the best, IIRC.

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-current" in the body of the message