{TAIL ~ The issue circuit} issues an instruction to the execution circuit, and generates a control signal responsive to whether or not {HEAD ~ the instruction} is issued to the execution circuit 
{ TAIL ~ The issue circuit } issues an instruction to the execution circuit , and generates a control signal responsive to whether or not { HEAD ~ the instruction } is issued to the execution circuit
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH