70. Universal Barrel Shifter

How do you plan to solve it?

/*Write your code here*/
module univ_barrel8 (input wire [7:0]x,
                     input wire [2:0] sh, 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