o_bit = (lhs >  rhs);
                        if (operation == 3)
                                o_bit = (lhs >= rhs);
-//                     if (operation == 4)
-//                             o_bit = (lhs == rhs);
-//                     if (operation == 5)
-//                             o_bit = (lhs != rhs);
                        gen_lut = gen_lut | (o_bit << n);
                end
        end
                localparam operation = 2;
        if (_TECHMAP_CELLTYPE_ == "$ge")
                localparam operation = 3;
-//     if (_TECHMAP_CELLTYPE_ == "$eq")
-//             localparam operation = 4;
-//     if (_TECHMAP_CELLTYPE_ == "$ne")
-//             localparam operation = 5;
 
        if (A_WIDTH > `LUT_WIDTH || B_WIDTH > `LUT_WIDTH || Y_WIDTH != 1)
                wire _TECHMAP_FAIL_ = 1;