70. Universal Barrel Shifter

How do you plan to solve it?

/*Write your code here*/
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'b000: y = x;
        3'b001: y = (x << sh) & 8'hFF;
        3'b010: y = x >> sh;
        3'b011: y = $signed(x) >>> sh;
        3'b100 : y = ((x << sh) | (x >> (8 - sh))) & 8'hFF;    // rotate left
        3'b101 : y = ((x >> sh) | (x << (8 - sh))) & 8'hFF;    // rotate right
        default: y = x;   
    endcase
   end
endmodule