On Wed, Feb 14, 2018 at 09:21:12PM +0300, Alexey Dobriyan wrote:
> > -   xorq    %r8, %r8        /* nospec   r8 */
> > +   xorl    %r8d, %r8d      /* nospec   r8 */
> 
> The suffix should be simply dropped as operand size is unambigious.
> It is just one more character than necessary on the screen.

No strong feelings about this issue, but I prefer it to be explicit. And
that's what seems to be the standard in arch/x86/entry/ .

Thanks,
        Dominik

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