61. Vector Min/Max Pair

How do you plan to solve it?

module minmax4_task (
    input  [7:0] v0,
    input  [7:0] v1,
    input  [7:0] v2,
    input  [7:0] v3,
    output reg [7:0] min_val,
    output reg [7:0] max_val
);
    // --------- Provided task (complete the TODOs) ----------
    // Returns both min and max among four 8-bit unsigned inputs.
    task minmax4;
        input  [7:0] a, b, c, d;
        output [7:0] min_o;
        output [7:0] max_o;

        reg [7:0] min01, max01;
        reg [7:0] min23, max23;
        begin
            // Pairwise compare (a,b)
            if (a>b) begin
                max01 = a;
                min01 = b;
            end

            else begin
                max01 = b;
                min01 = a;
            end

            // Pairwise compare (c,d)
            if (c>d) begin
                max23 = c;
                min23 = d;
            end

            else begin
                max23 = d;
                min23 = c;
            end

           if (max01>max23) begin
                max_o = max01;
            end

            else begin
                max_o = max23;
            end

             if (min01>min23) begin
                min_o = min23;
            end

            else begin
                min_o = min01;
            end


            // Final reduce across pairs
            // TODO: set max_o as the larger of max01 and max23
            // TODO: set min_o as the smaller of min01 and min23
        end
    endtask
    // -------------------------------------------------------

    // TODO: Call the task and assign outputs
    reg [7:0] tmin, tmax;
    always @* begin
minmax4(v0, v1,v2,v3, tmin, tmax);
min_val = tmin;
max_val = tmax;
    end

endmodule