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Merge tag 'char-misc-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
[mirror_ubuntu-hirsute-kernel.git] / lib / ucmpdi2.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 */
4
5 #include <linux/module.h>
6 #include <linux/libgcc.h>
7
8 word_type notrace __ucmpdi2(unsigned long long a, unsigned long long b)
9 {
10 const DWunion au = {.ll = a};
11 const DWunion bu = {.ll = b};
12
13 if ((unsigned int) au.s.high < (unsigned int) bu.s.high)
14 return 0;
15 else if ((unsigned int) au.s.high > (unsigned int) bu.s.high)
16 return 2;
17 if ((unsigned int) au.s.low < (unsigned int) bu.s.low)
18 return 0;
19 else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)
20 return 2;
21 return 1;
22 }
23 EXPORT_SYMBOL(__ucmpdi2);