70. Universal Barrel Shifter

How do you plan to solve it?

module univ_barrel8 (x, sh, mode, y);
input [7:0] x;
input [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))) & 8'hFF;
    3'b101: y = ((x >> sh) | (x << (8 - sh))) & 8'hFF;
    default: y = x;
    endcase
end
endmodule