MT_WTBL_RIUCR1_RATE2_LO
FIELD_PREP(MT_WTBL_RIUCR1_RATE2_LO, val[1]));
FIELD_PREP(MT_WTBL_RIUCR1_RATE2_LO, rd.val[1]));
FIELD_PREP(MT_WTBL_RIUCR1_RATE2_LO, rate->val[1]));