1 /*
2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, see the file COPYING, or write
14 * to the Free Software Foundation, Inc.
15 */
16
17 #include <linux/module.h>
18 #include <linux/libgcc.h>
19
__ucmpdi2(unsigned long long a,unsigned long long b)20 word_type notrace __ucmpdi2(unsigned long long a, unsigned long long b)
21 {
22 const DWunion au = {.ll = a};
23 const DWunion bu = {.ll = b};
24
25 if ((unsigned int) au.s.high < (unsigned int) bu.s.high)
26 return 0;
27 else if ((unsigned int) au.s.high > (unsigned int) bu.s.high)
28 return 2;
29 if ((unsigned int) au.s.low < (unsigned int) bu.s.low)
30 return 0;
31 else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)
32 return 2;
33 return 1;
34 }
35 EXPORT_SYMBOL(__ucmpdi2);
36