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Commit | Line | Data |
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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
ca0ad83d JDA |
2 | #include <linux/module.h> |
3 | ||
4 | union ull_union { | |
5 | unsigned long long ull; | |
6 | struct { | |
7 | unsigned int high; | |
8 | unsigned int low; | |
9 | } ui; | |
10 | }; | |
11 | ||
12 | int __ucmpdi2(unsigned long long a, unsigned long long b) | |
13 | { | |
14 | union ull_union au = {.ull = a}; | |
15 | union ull_union bu = {.ull = b}; | |
16 | ||
17 | if (au.ui.high < bu.ui.high) | |
18 | return 0; | |
19 | else if (au.ui.high > bu.ui.high) | |
20 | return 2; | |
21 | if (au.ui.low < bu.ui.low) | |
22 | return 0; | |
23 | else if (au.ui.low > bu.ui.low) | |
24 | return 2; | |
25 | return 1; | |
26 | } |