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)

        0      :  y   =   x;
        1      :  y   =   (x<<sh);
        2      :  y   =   (x>>sh);
        3      :  y   =   ($signed(x)>>>sh);
        4      :  y   =   (x<<sh) | (x >> (3'd8-sh));
        5      :  y   =   (x>>sh) | (x << (3'd8-sh));
        default:  y   =   x;


    endcase


end

endmodule