Re: [PATCH]i386: Optimize pmovskb on zero_extend of subreg HI of the result [PR98461]

[Jakub Jelinek via Gcc-patches]

On Mon, Jan 04, 2021 at 01:56:44PM +0800, Hongtao Liu via Gcc-patches wrote:
> +(define_insn_and_split "*sse2_pmovskb_zexthisi"
> +  [(set (match_operand:SI 0 "register_operand")
> +       (zero_extend:SI (subreg:HI (unspec:SI
> +         [(match_operand:V16QI 1 "register_operand")]
> +          UNSPEC_MOVMSK) 0)))]

Also, please fix up formatting.  Should be:
        (zero_extend:SI
          (subreg:HI
            (unspec:SI
              [(match_operand:V16QI 1 "register_operand")]
              UNSPEC_MOVMSK) 0)))]
I think.

        Jakub