arm64_x_reg
return (arm64_x_reg(num, sp));
return (arm64_x_reg(reg, 0));
di->di_printf("[%s", arm64_x_reg(rn, 1));
di->di_printf("[%s]", arm64_x_reg(rn, 1));
arm64_reg(sf, rt, rt_sp), arm64_x_reg(rn, 1),