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SubjectRe: [PATCH] KVM: x86 emulator: emulate MOVNTDQ

On 07/11/2014 11:40 PM, Paolo Bonzini wrote:
> Il 11/07/2014 22:05, Alex Williamson ha scritto:
>> Which will return 'true' for this whether I specify Aligned or not. If
>> the standard convention is to make it explicit, I'm happy to add the
>> extra flag, but I think we already #GP on unaligned as implemented here.
>> Thanks,
>
> We should still specify Aligned if the corresponding AVX instruction
> requires an aligned operand. ISTR that this is not the case for
> MOVNTDQ, so your patch is correct. I'll check the SDM more carefully
> next Monday.
>

The explicitly aligned/unaligned instructions have an A or a U to
indicate this (e.g. MOVDQU = explicitly unaligned, MOVDQA = explicitly
aligned, MOVNTDQ = default).



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