1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 */
4
5 #include <linux/export.h>
6
7 #include <linux/libgcc.h>
8
9 word_type notrace __cmpdi2(long long a, long long b)
10 {
11 const DWunion au = {
12 .ll = a
13 };
14 const DWunion bu = {
15 .ll = b
16 };
17
18 if (au.s.high < bu.s.high)
19 return 0;
20 else if (au.s.high > bu.s.high)
21 return 2;
22
23 if ((unsigned int) au.s.low < (unsigned int) bu.s.low)
24 return 0;
25 else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)
26 return 2;
27
28 return 1;
29 }
30 EXPORT_SYMBOL(__cmpdi2);
31
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