70. Universal Barrel Shifter

How do you plan to solve it?

/*Write your code here*/

module univ_barrel8(
    input [7:0] x,
    input [2:0] sh,mode,
    output reg [7:0] y
);
    always@(*) begin
        case(mode) 
            3'd0 : y = x;
            3'd1 : y = (x << sh);
            3'd2 : y = (x >> sh);
            3'd3 : y = $signed(x)>>>sh;
            3'd4 : y = ((x << sh) | (x >> (8 - sh))) & 8'hFF;
            3'd5 : y = ((x >> sh) | (x << (8 - sh))) & 8'hFF; 
            default : y = x;
        endcase 

    end

endmodule