RMIXL_PCIX_CONCAT3
bar = RMIXL_PCIX_CONCAT3(RMIXL_PCIX_,reg,_BAR)(ba, 1); \
RMIXL_PCIX_CONCAT3(RMIXLR_SBC_PCIX_,reg,_BAR), bar); \
RMIXL_PCIX_CONCAT3(RMIXLR_SBC_PCIX_,reg,_BAR)); \