Subject: Re: [PATCH 03/13]  [RFC] ipath copy routines
From: Robert Walsh <rjwalsh@pathscale.com>
To: Andrew Morton <akpm@osdl.org>
Cc: Roland Dreier <rolandd@cisco.com>, linux-kernel@vger.kernel.org,
       openib-general@openib.org
In-Reply-To: <20051217123833.1aa430ab.akpm@osdl.org>
References: <200512161548.HbgfRzF2TysjsR2G@cisco.com>
	 <200512161548.lRw6KI369ooIXS9o@cisco.com>
	 <20051217123833.1aa430ab.akpm@osdl.org>
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Date: Sat, 17 Dec 2005 14:40:43 -0800
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On Sat, 2005-12-17 at 12:38 -0800, Andrew Morton wrote:
> Roland Dreier <rolandd@cisco.com> wrote:
> >
> > + 	.globl ipath_dwordcpy
> > +/* rdi	destination, rsi source, rdx count */
> > +ipath_dwordcpy:
> > +	movl %edx,%ecx
> > +	shrl $1,%ecx
> > +	andl $1,%edx	
> > +	cld
> > +	rep 
> > +	movsq 
> > +	movl %edx,%ecx
> > +	rep
> > +	movsd
> > +	ret
> 
> err, we have a portability problem.

Any chance we could get these moved into the x86_64 arch directory,
then?  We have to do double-word copies, or our chip gets unhappy.

Regards,
 Robert.

-- 
Robert Walsh                                 Email: rjwalsh@pathscale.com
PathScale, Inc.                              Phone: +1 650 934 8117
2071 Stierlin Court, Suite 200                 Fax: +1 650 428 1969
Mountain View, CA 94043.


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