perf test: Fix bpf test sample mismatch reporting
[linux-2.6-microblaze.git] / lib / cmpdi2.c
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);