[Bug binutils/25445] movsxd without REX_W prefix incorrectly disassembled

[jbeulich at suse dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=25445

--- Comment #3 from Jan Beulich <jbeulich at suse dot com> ---
(In reply to H.J. Lu from comment #0)
>    0: 66 63 08                movslq (%rax),%cx

Looks correct to me.

(In reply to H.J. Lu from comment #1)
> Also
> 
> 63 08                 movslq (%rax),%ecx

This too looks correct to me.

The only anomaly I can think of because of the vendor difference would be a
memory operand in Intel syntax mode, which - if tagged by an operand size -
might want to be WORD PTR for the 16-bit case in Intel64 mode and DWORD PTR in
the AMD64 one.

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