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,
    input [2:0]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));
    3'b101:y=(x>>sh)|(x<<(8-sh));
    3'b110:y=x;
    3'b111:y=x;
    endcase
end

endmodule