| Chen Liqin | 6bc9a39 | 2009-06-12 22:01:00 +0800 | [diff] [blame] | 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 | |
| 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); |