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'b000: y = x;
            3'b001: y = x << sh;
            3'b010: y = x >> sh;
            3'b011: y = $signed(x) >>> sh;
            3'b100: y = ((x << sh) | (x >> (8 - sh))) & 8'hFF;
            3'b101: y = ((x >> sh) | (x << (8 - sh))) & 8'hFF;
            default: y = x;
        endcase
    end
endmodule