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 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); 36