MR_PD_INVALID
if (pd != MR_PD_INVALID) {
if (r1_alt_pd != MR_PD_INVALID)
if (pd != MR_PD_INVALID) {
if (pd != MR_PD_INVALID) {
if (r1_alt_pd != MR_PD_INVALID)
if (pd != MR_PD_INVALID) {