Re: [Qemu-devel] [PATCH v2] target-mips: Fix Loongson pandn instruction.

[Yongbok Kim]

On 14/10/2016 03:46, Heiher wrote:
> From: Heiher <address@hidden>
> 
> pandn FD, FS, FT
> Operation: FD = ((NOT FS) AND FT)
> 
> Signed-off-by: Heiher <address@hidden>
> Signed-off-by: Fuxin Zhang <address@hidden>
> ---
>  target-mips/translate.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/target-mips/translate.c b/target-mips/translate.c
> index 55c2ca0..1412347 100644
> --- a/target-mips/translate.c
> +++ b/target-mips/translate.c
> @@ -3945,9 +3945,12 @@ static void gen_loongson_multimedia(DisasContext *ctx, 
> int rd, int rs, int rt)
>      LMI_DIRECT(XOR_CP2, xor, xor);
>      LMI_DIRECT(NOR_CP2, nor, nor);
>      LMI_DIRECT(AND_CP2, and, and);
> -    LMI_DIRECT(PANDN, pandn, andc);
>      LMI_DIRECT(OR, or, or);
>  
> +    case OPC_PANDN:
> +        tcg_gen_andc_i64(t0, t1, t0);
> +        break;
> +
>      case OPC_PINSRH_0:
>          tcg_gen_deposit_i64(t0, t0, t1, 0, 16);
>          break;
> 


Reviewed-by: Yongbok Kim <address@hidden>

Regards,
Yongbok