Date: Wed, 15 Dec 1999 10:35:56 +0000 (GMT) From: Doug Rabson <dfr@nlsystems.com> To: Wilko Bulte <wilko@yedi.iaf.nl> Cc: Jason Thorpe <thorpej@nas.nasa.gov>, FreeBSD-alpha mailing list <freebsd-alpha@freebsd.org> Subject: Re: use of -mcpu=21164a Message-ID: <Pine.BSF.4.10.9912151035030.51079-100000@salmon.nlsystems.com> In-Reply-To: <19991214224728.A36085@yedi.iaf.nl>
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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 <wilko@yedi.iaf.nl> 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
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