70. Universal Barrel Shifter

How do you plan to solve it?

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'b001: y = x << sh;
    3'b010: y = x >> sh;
    3'b011: y = {{8{x[7]}},x} >> sh;
    3'b100: y = ({x,x} << sh) >> 8;
    3'b101: y = ({x,x} >> sh);
    default: y = x;
    endcase
end

endmodule