ENTER/BOUND operands order.
Jan Beulich
JBeulich@suse.com
Thu Jan 23 10:54:00 GMT 2014
>>> On 23.01.14 at 11:37, "Michael V. Zolotukhin" <michael.v.zolotukhin@gmail.com> wrote:
> Could you please comment what is wrong with these insns?
>> # Disp8 scaled by 8 rather than 4
>> vpmuldq zmm0, zmm0, [edx+4]{1to8}
>> vpmuldq zmm0, zmm0, [edx+8]{1to8}
>> vpmuludq zmm0, zmm0, [edx+4]{1to8}
>> vpmuludq zmm0, zmm0, [edx+8]{1to8}
> According to the documentation, they have EVEX.W=1, so the displacement is 8
> rather than 4. It seems correct.
I don't think EVEX.W determines the scaling factor here. The
input consists of dword elements, hence the scaling ought to
be 4. I think the manual even states so (but I didn't re-check).
Jan
More information about the Binutils
mailing list