`timescale 1ns/1ns module huawei8//四位超前进位加法器 ( input wire [3:0]A, input wire [3:0]B, output wire [4:0]OUT ); //*************code***********// wire [3:0] P; wire [3:0] G; wire [3:0] F; wire [4:1] C; CLA_4 cla(.P(P),.G(G),.C_in(0),.Ci(C),.Gm(),.Pm()); Add1 a0(.a(A[0]),.b(B[0]),.C_in(0),.f(F[0]),....