module \74283 (A, B, CI, S, CO);

input [3:0] A;
input [3:0] B;
input CI;
output [3:0] S;
output CO;

assign {CO, S} = A + B + CI;

endmodule

(* techmap_celltype = "$add" *)
module _80_74283_add (A, B, Y);

parameter A_SIGNED = 0;
parameter B_SIGNED = 0;
parameter A_WIDTH = 0;
parameter B_WIDTH = 0;
parameter Y_WIDTH = 0;

input [A_WIDTH-1:0] A;
input [B_WIDTH-1:0] B;
output [Y_WIDTH-1:0] Y;

localparam WIDTH = ((Y_WIDTH + 3) / 4) * 4;

wire [WIDTH/4:0] CARRY;

genvar i;
generate for (i = 0; i < WIDTH; i = i + 4) begin:slice
    \74283 _TECHMAP_REPLACE_ (
        .A(A[i+3:i]),
        .B(B[i+3:i]),
        .CI(CARRY[i/4]),
        .S(Y[i+3:i]),
        .CO(CARRY[(i/4)+1]),
    );
end
endgenerate

endmodule