On 19/12/2018 14:36, Jan Beulich wrote:
> @@ -280,6 +285,12 @@ static const struct test avx512bw_all[]
>      INSN(ptestnm,     f3, 0f38, 26,    vl,   bw, vl),
>  };
>  
> +static const struct test avx512bw_128[] = {
> +    INSN(pextrb, 66, 0f3a, 14, el, b, el),
> +//       pextrw, 66,   0f, c5,     w

I presume this isn't tested, due to its lack of a memory operand?

It does appear to be a particularly odd encoding.

~Andrew

> +    INSN(pextrw, 66, 0f3a, 15, el, w, el),
> +};
> +
>  static const struct test avx512dq_all[] = {
>      INSN_PFP(and,              0f, 54),
>      INSN_PFP(andn,             0f, 55),
>


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