On 2/14/21 9:58 AM, Philippe Mathieu-Daudé wrote: > + tcg_gen_deposit_i64(cpu_gpr[a->rd], bx, ax, 32, 32); > + tcg_gen_shri_i64(bx, bx, 32); > + tcg_gen_deposit_i64(cpu_gpr_hi[a->rd], ax, bx, 0, 32);
I think you should pull this out as a helper: void gen_pextw(TCGv_i64 dl, TCGv_i64 dh, TCGv_i64 a, TCGv_i64 b); since you'll re-use this for PEXTLW. r~