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