| Heiko Carstens | 5075bac | 2009-07-07 16:37:09 +0200 | [diff] [blame] | 1 | #include <linux/module.h> |
| 2 | |
| 3 | union ull_union { |
| 4 | unsigned long long ull; |
| 5 | struct { |
| 6 | unsigned int high; |
| 7 | unsigned int low; |
| 8 | } ui; |
| 9 | }; |
| 10 | |
| 11 | int __ucmpdi2(unsigned long long a, unsigned long long b) |
| 12 | { |
| 13 | union ull_union au = {.ull = a}; |
| 14 | union ull_union bu = {.ull = b}; |
| 15 | |
| 16 | if (au.ui.high < bu.ui.high) |
| 17 | return 0; |
| 18 | else if (au.ui.high > bu.ui.high) |
| 19 | return 2; |
| 20 | if (au.ui.low < bu.ui.low) |
| 21 | return 0; |
| 22 | else if (au.ui.low > bu.ui.low) |
| 23 | return 2; |
| 24 | return 1; |
| 25 | } |
| 26 | EXPORT_SYMBOL(__ucmpdi2); |