| Palmer Dabbelt | b35cd98 | 2017-05-23 10:28:26 -0700 | [diff] [blame] | 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> |
| Christoph Hellwig | 4db2b60 | 2017-11-22 11:47:28 +0100 | [diff] [blame] | 18 | #include <linux/libgcc.h> |
| Palmer Dabbelt | b35cd98 | 2017-05-23 10:28:26 -0700 | [diff] [blame] | 19 | |
| 20 | word_type __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); |