On 13/10/2016 03:17, Heiher wrote:
> From: Heiher <wa...@lemote.com>
> 
> pandn FD, FS, FT
> Operation: FD = ((NOT FS) AND FT)
> 
> Signed-off-by: Heiher <wa...@lemote.com>
> Signed-off-by: Fuxin Zhang <zhan...@lemote.com>
> ---
>  target-mips/translate.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/target-mips/translate.c b/target-mips/translate.c
> index 55c2ca0..ed67180 100644
> --- a/target-mips/translate.c
> +++ b/target-mips/translate.c
> @@ -3880,6 +3880,8 @@ static void gen_loongson_multimedia(DisasContext *ctx, 
> int rd, int rs, int rt)
>      case OPC_##UP: gen_helper_##LO(t0, t0); break
>  #define LMI_DIRECT(UP, LO, OP) \
>      case OPC_##UP: tcg_gen_##OP##_i64(t0, t0, t1); break
> +#define LMI_DIRECT_SWAP(UP, LO, OP) \
> +    case OPC_##UP: tcg_gen_##OP##_i64(t0, t1, t0); break

It is used only once. No need to make it as a macro.

>  
>      switch (opc) {
>      LMI_HELPER(PADDSH, paddsh);
> @@ -3945,8 +3947,8 @@ 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);
> +    LMI_DIRECT_SWAP(PANDN, pandn, andc);

case OPC_PANDN: tcg_gen_andc_i64(t0, t1, t0); break;
Would it be sufficient?

>  
>      case OPC_PINSRH_0:
>          tcg_gen_deposit_i64(t0, t0, t1, 0, 16);
> 

Thanks for the fix.

Regards,
Yongbok

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