1 // SPDX-License-Identifier: GPL-2.0 2 #include <linux/export.h> 3 4 #include "libgcc.h" 5 6 word_type __cmpdi2(long long a, long long b) 7 { 8 const DWunion au = { 9 .ll = a 10 }; 11 const DWunion bu = { 12 .ll = b 13 }; 14 15 if (au.s.high < bu.s.high) 16 return 0; 17 else if (au.s.high > bu.s.high) 18 return 2; 19 20 if ((unsigned int) au.s.low < (unsigned int) bu.s.low) 21 return 0; 22 else if ((unsigned int) au.s.low > (unsigned int) bu.s.low) 23 return 2; 24 25 return 1; 26 } 27 EXPORT_SYMBOL(__cmpdi2); 28