> >
> Sorry to chime in, for x86 backend, we defined usdot_prodv16hi, and
> 2-way dot_prod operations can be generated
>
This is the link https://godbolt.org/z/hcWr64vx3, x86 define
udot_prodv16qi/udot_prod8hi and both 2-way and 4-way dot_prod
instructions are generated


-- 
BR,
Hongtao

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