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Re: [PATCH] x86emul: MOVBE requires a memory operand


  • To: Jan Beulich <jbeulich@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  • Date: Wed, 27 Nov 2024 16:01:23 +0000
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  • Cc: Roger Pau Monné <roger.pau@xxxxxxxxxx>
  • Delivery-date: Wed, 27 Nov 2024 16:08:07 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 27/11/2024 7:15 am, Jan Beulich wrote:
> The reg-reg forms should cause #UD; they come into existence only with
> APX, where MOVBE also extends BSWAP (for the latter not being "eligible"
> to a REX2 prefix).
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>



 


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