;              if (bfi != 0)             {                 ec_gain_pitch(                     &(st->ec_gain_p_st),                     st->state,                     &gain_pit,                     pOverflow);             }             else             {                 gain_pit = d_gain_pitch(mode, index);             }             ec_gain_pitch_update(                 &(st->ec_gain_p_st),                 bfi,                 st->prev_bf,                 &gain_pit,                 pOverflow);              