1 /*
2 * arch/score/lib/ucmpdi2.c
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, see the file COPYING, or write
16 * to the Free Software Foundation, Inc.,
17 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20 #include <linux/module.h>
21 #include "libgcc.h"
22
__ucmpdi2(unsigned long long a,unsigned long long b)23 word_type __ucmpdi2(unsigned long long a, unsigned long long b)
24 {
25 const DWunion au = {.ll = a};
26 const DWunion bu = {.ll = b};
27
28 if ((unsigned int) au.s.high < (unsigned int) bu.s.high)
29 return 0;
30 else if ((unsigned int) au.s.high > (unsigned int) bu.s.high)
31 return 2;
32 if ((unsigned int) au.s.low < (unsigned int) bu.s.low)
33 return 0;
34 else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)
35 return 2;
36 return 1;
37 }
38 EXPORT_SYMBOL(__ucmpdi2);
39