Hi, Richard.
On 07/23/2021 08:51 AM, Richard Henderson wrote:
> On 7/20/21 11:53 PM, Song Gao wrote:
>> +/* Fixed point shift operation instruction translation */
>> +static bool trans_sll_w(DisasContext *ctx, arg_sll_w *a)
>> +{
>> + TCGv t0, t1;
>> + TCGv Rd = cpu_gpr[a->rd];
>> +
>> + if (a->rd == 0) {
>> + /* Nop */
>> + return true;
>> + }
>> +
>> + t0 = tcg_temp_new();
>> + t1 = get_gpr(a->rj);
>> +
>> + gen_load_gpr(t0, a->rk);
>> +
>> + tcg_gen_andi_tl(t0, t0, 0x1f);
>> + tcg_gen_shl_tl(t0, t1, t0);
>> + tcg_gen_ext32s_tl(Rd, t0);
>> +
>> + tcg_temp_free(t0);
>> +
>> + return true;
>> +}
>
> Again, you should be using common helper functions for this instead of
> replicating the same pattern 16 times.
>
OK.
Thanks
Song Gao