{HEAD ~ Vector adder} 80 also includes {TAIL ~ exception logic} 82 coupled to mask unit 90 which permits adder 80 to perform operations upon condition and to advise mask unit 90 of arithmetic exception conditions  
includes
{ HEAD ~ Vector adder } 80 also includes { TAIL ~ exception logic } 82 coupled to mask unit 90 which permits adder 80 to perform operations upon condition and to advise mask unit 90 of arithmetic exception conditions
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH