WARNING:Xst:2211 - "ipcore_dir/my_FIFO.v" line 64: Instantiating black box module <my_FIFO>.
WARNING:Xst:2211 - "ipcore_dir/mac_i.v" line 75: Instantiating black box module <mac_i>.
WARNING:Xst:2211 - "ipcore_dir/mac_q.v" line 85: Instantiating black box module <mac_q>.
WARNING:Xst:616 - Invalid property "SYN_BLACK_BOX 1": Did not attach to my_mac_i.
WARNING:Xst:616 - Invalid property "SYN_NOPRUNE 1": Did not attach to my_mac_i.
WARNING:Xst:616 - Invalid property "SYN_BLACK_BOX 1": Did not attach to my_mac_q.
WARNING:Xst:616 - Invalid property "SYN_NOPRUNE 1": Did not attach to my_mac_q.