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));
    default: y = x;
    endcase
  end
endmodule