70. Universal Barrel Shifter

How do you plan to solve it?

module univ_barrel8(
    input  [2:0] sh, mode,
    input  [7:0] x,
    output reg [7:0] y
);
    reg [8:0] shift;
    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