From owner-freebsd-alpha Wed Dec 15 2:26:31 1999 Delivered-To: freebsd-alpha@freebsd.org Received: from herring.nlsystems.com (nlsys.demon.co.uk [158.152.125.33]) by hub.freebsd.org (Postfix) with ESMTP id 5B46E14D60 for ; Wed, 15 Dec 1999 02:26:29 -0800 (PST) (envelope-from dfr@nlsystems.com) Received: from salmon.nlsystems.com (salmon.nlsystems.com [10.0.0.3]) by herring.nlsystems.com (8.9.3/8.8.8) with ESMTP id KAA50031; Wed, 15 Dec 1999 10:35:56 GMT (envelope-from dfr@nlsystems.com) Date: Wed, 15 Dec 1999 10:35:56 +0000 (GMT) From: Doug Rabson To: Wilko Bulte Cc: Jason Thorpe , FreeBSD-alpha mailing list Subject: Re: use of -mcpu=21164a In-Reply-To: <19991214224728.A36085@yedi.iaf.nl> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-alpha@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Tue, 14 Dec 1999, Wilko Bulte wrote: > On Tue, Dec 14, 1999 at 01:09:39PM -0800, Jason Thorpe wrote: > > On Tue, 14 Dec 1999 21:39:15 +0100 > > Wilko Bulte wrote: > > > > > Will adding -mcpu=21164a to CFLAGS in /etc/make.conf > > > result in code not running on EV4/21064 CPUs? > > > > The Alpha Architecture specifies that user programs can expect the kernel > > to emulate BWX, so it should work, albeit a bit more slowly in the event > > that BWX is actually used. > > OK. We don't yet emulate the BWX instructions for 21064 (although we should). -- Doug Rabson Mail: dfr@nlsystems.com Nonlinear Systems Ltd. Phone: +44 181 442 9037 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message