1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 */ 4 5#include <linux/export.h> 6 7#include <linux/libgcc.h> 8 9word_type notrace __cmpdi2(long long a, long long b) 10{ 11 const DWunion au = { 12 .ll = a 13 }; 14 const DWunion bu = { 15 .ll = b 16 }; 17 18 if (au.s.high < bu.s.high) 19 return 0; 20 else if (au.s.high > bu.s.high) 21 return 2; 22 23 if ((unsigned int) au.s.low < (unsigned int) bu.s.low) 24 return 0; 25 else if ((unsigned int) au.s.low > (unsigned int) bu.s.low) 26 return 2; 27 28 return 1; 29} 30EXPORT_SYMBOL(__cmpdi2); 31