70. Universal Barrel Shifter

How do you plan to solve it?

module univ_barrel8(
    input [7:0] x,
    input [2:0] sh,mode,
    output reg [7:0] y
);
    always @(*) begin
    case(mode)

    3'b000: y = x;

    // LSL
    3'b001: y = x << sh;

    // LSR
    3'b010: y = x >> sh;

    // ASR
    3'b011: y = $signed(x) >>> sh;

    // ROL
    3'b100: y = (x << sh) | (x >> (8 - sh));

    // ROR
    3'b101: y = (x >> sh) | (x << (8 - sh));

    default: y = x;

    endcase
end
endmodule