Messages in this thread |  | | Date | Tue, 20 Feb 2007 21:10:42 +0100 | From | "Joerg Roedel" <> | Subject | Re: [discuss] [PATCH 1/3] x86_64: additions to the i386 alternative extensions to support x86_64 architecture |
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On Mon, Feb 19, 2007 at 10:29:22PM +0100, Andi Kleen wrote: > On Monday 19 February 2007 20:07, Joerg Roedel wrote: > > From: Joerg Roedel <joerg.roedel@amd.com> > > > > This patch adds the necessary changes to extend the i386 alternative > > instruction framework extension on the x86_64 architecture. > > Looks complicated and somewhat fragile.
The tests on i386 and x86_64 just work fine :-)
> I think I would prefer it if you changed the pad field to a "bit not set" > cpuid field. Then at least 2 alternatives + a nothing alternative could > be described too.
I'm not sure I fully understand what you mean. Do you mean to add a further alternative instruction to the struct for supporting 2 alternative instructions?
Joerg
-- Joerg Roedel Operating System Research Center AMD Saxony LLC & Co. KG
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