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