Hi, Richard.
On 07/23/2021 02:34 PM, Richard Henderson wrote: > On 7/20/21 11:53 PM, Song Gao wrote: >> +static bool trans_fldx_d(DisasContext *ctx, arg_fldx_d *a) >> +{ >> + TCGv t0; >> + TCGv_i64 fp0; >> + TCGv Rj = cpu_gpr[a->rj]; >> + TCGv Rk = cpu_gpr[a->rk]; >> + >> + t0 = tcg_temp_new(); >> + fp0 = tcg_temp_new_i64(); >> + >> + if (a->rj == 0 && a->rk == 0) { >> + /* Nop */ >> + return true; >> + } > > This is not true. This is simply a read from address 0 + 0 = 0. > Similarly for all of the other indexed memory operations. > > And again, you should be using helpers to reduce the replication here. > OK. > > r~ Thanks Song Gao.