> > > 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