Re: [PATCH 01/11] disas/riscv: Decode czero.{eqz,nez}

[Daniel Henrique Barboza <dbarboza@ventanamicro.com>]

On 5/3/23 05:56, Richard Henderson wrote:
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---

Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>

>   disas/riscv.c | 8 +++++++-
>   1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/disas/riscv.c b/disas/riscv.c
> index d6b0fbe5e8..c0a8b1006a 100644
> --- a/disas/riscv.c
> +++ b/disas/riscv.c
> @@ -935,6 +935,8 @@ typedef enum {
>       rv_op_vsetvli = 766,
>       rv_op_vsetivli = 767,
>       rv_op_vsetvl = 768,
> +    rv_op_czero_eqz = 769,
> +    rv_op_czero_nez = 770,
>   } rv_op;
>   
>   /* structures */
> @@ -2066,7 +2068,9 @@ const rv_opcode_data opcode_data[] = {
>       { "vsext.vf8", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vsext_vf8, rv_op_vsext_vf8, 0 },
>       { "vsetvli", rv_codec_vsetvli, rv_fmt_vsetvli, NULL, rv_op_vsetvli, rv_op_vsetvli, 0 },
>       { "vsetivli", rv_codec_vsetivli, rv_fmt_vsetivli, NULL, rv_op_vsetivli, rv_op_vsetivli, 0 },
> -    { "vsetvl", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, rv_op_vsetvl, rv_op_vsetvl, 0 }
> +    { "vsetvl", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, rv_op_vsetvl, rv_op_vsetvl, 0 },
> +    { "czero.eqz", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
> +    { "czero.nez", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
>   };
>   
>   /* CSR names */
> @@ -2792,6 +2796,8 @@ static void decode_inst_opcode(rv_decode *dec, rv_isa isa)
>               case 45: op = rv_op_minu; break;
>               case 46: op = rv_op_max; break;
>               case 47: op = rv_op_maxu; break;
> +            case 075: op = rv_op_czero_eqz; break;
> +            case 077: op = rv_op_czero_nez; break;
>               case 130: op = rv_op_sh1add; break;
>               case 132: op = rv_op_sh2add; break;
>               case 134: op = rv_op_sh3add; break;