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