1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 */ 4 5 #include <linux/module.h> 6 #include <linux/libgcc.h> 7 __ucmpdi2(unsigned long long a,unsigned long long b)8word_type notrace __ucmpdi2(unsigned long long a, unsigned long long b) 9 { 10 const DWunion au = {.ll = a}; 11 const DWunion bu = {.ll = b}; 12 13 if ((unsigned int) au.s.high < (unsigned int) bu.s.high) 14 return 0; 15 else if ((unsigned int) au.s.high > (unsigned int) bu.s.high) 16 return 2; 17 if ((unsigned int) au.s.low < (unsigned int) bu.s.low) 18 return 0; 19 else if ((unsigned int) au.s.low > (unsigned int) bu.s.low) 20 return 2; 21 return 1; 22 } 23 EXPORT_SYMBOL(__ucmpdi2); 24