On Thu, 7 Jun 2007 12:37:37 -0500, McKown, John 
<[EMAIL PROTECTED]> wrote:

. . .

>
>Some instructions on the zSeries are patent protected. That means that
>writing any code or making any hardware which has an identical effect,
>regardless of how it is done, can only be legally done if the
>person/company doing the emulation has a patent license. The point is
>that Intel may also have patents on some of the effects of one or more
>of their instructions. I will say that I think this is unlikely or Intel
>would shut AMD down immediately.

I'm sure Intel have plenty of patents in this area. So do AMD - enough to 
enter into cross licensing agreements with Intel.

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