module vishnu_2bitcomp(A1,A0,B1,B0,t0,t1,t2,t3,t4,t5,t6,t7);
input A1,A0,B1,B0;
output t0,t1,t2,t3,t4,t5,t6,t7;
and g1(t0,~A1,B1);
and g2(t1,~A0,B1,B0);
and g3(t2,~A1,~A0,B0);
xnor g4(t3,A1,B1);
xnor g5(t4,A0,B0);
and g6(t5,A1,~B1);
and g7(t6,A0,~B1,~B0);
and g8(t7,A1,A0,~B0);
endmodule