Re: [PATCH 4/9] target/ppc: Use tcg_gen_extract_i32

[Richard Henderson]

On 10/23/23 09:09, Philippe Mathieu-Daudé wrote:
> Inspired-by: Richard Henderson <richard.henderson@linaro.org>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> ---
>   target/ppc/translate.c | 6 ++----
>   1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/target/ppc/translate.c b/target/ppc/translate.c
> index 329da4d518..c6e1f7c2ca 100644
> --- a/target/ppc/translate.c
> +++ b/target/ppc/translate.c
> @@ -4802,16 +4802,14 @@ static void gen_mtcrf(DisasContext *ctx)
>               TCGv_i32 temp = tcg_temp_new_i32();
>               crn = ctz32(crm);
>               tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
> -            tcg_gen_shri_i32(temp, temp, crn * 4);
> -            tcg_gen_andi_i32(cpu_crf[7 - crn], temp, 0xf);
> +            tcg_gen_extract_i32(cpu_crf[7 - crn], temp, crn * 4, 4);
>           }
>       } else {
>           TCGv_i32 temp = tcg_temp_new_i32();
>           tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
>           for (crn = 0 ; crn < 8 ; crn++) {
>               if (crm & (1 << crn)) {
> -                    tcg_gen_shri_i32(cpu_crf[7 - crn], temp, crn * 4);
> -                    tcg_gen_andi_i32(cpu_crf[7 - crn], cpu_crf[7 - crn], 0xf);
> +                    tcg_gen_extract_i32(cpu_crf[7 - crn], temp, crn * 4, 4);

Might as well fix indentation here.

Otherwise,
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

>               }
>           }
>       }