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