[FFmpeg-devel] avutil/x86util : add macro for 128 bits constant load

[James Almer]

On 11/27/2017 7:33 PM, James Darnley wrote:
> On 2017-11-27 20:19, Martin Vignali wrote:
>> +%macro VBROADCASTI128 2 ; dst xmm/ymm, src : 128bits val
>> +%if mmsize == 32
>> +    vbroadcasti128 %1, %2
>> +%else
>> +    mova           %1, %2
>> +%endif
>> +%endmacro
> 
> If the condition was made "mmsize > 16" would this work correctly for
> zmm registers?  (Assume I finally push my AVX-512 patches).

No, there's no EVEX variant of vbroadcasti128. For that you would need
to use vbroadcasti32x4 or vbroadcasti64x2.