18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 28c2ecf20Sopenharmony_ci#include <linux/export.h> 38c2ecf20Sopenharmony_ci 48c2ecf20Sopenharmony_ci#include "libgcc.h" 58c2ecf20Sopenharmony_ci 68c2ecf20Sopenharmony_ciword_type __cmpdi2(long long a, long long b) 78c2ecf20Sopenharmony_ci{ 88c2ecf20Sopenharmony_ci const DWunion au = { 98c2ecf20Sopenharmony_ci .ll = a 108c2ecf20Sopenharmony_ci }; 118c2ecf20Sopenharmony_ci const DWunion bu = { 128c2ecf20Sopenharmony_ci .ll = b 138c2ecf20Sopenharmony_ci }; 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ci if (au.s.high < bu.s.high) 168c2ecf20Sopenharmony_ci return 0; 178c2ecf20Sopenharmony_ci else if (au.s.high > bu.s.high) 188c2ecf20Sopenharmony_ci return 2; 198c2ecf20Sopenharmony_ci 208c2ecf20Sopenharmony_ci if ((unsigned int) au.s.low < (unsigned int) bu.s.low) 218c2ecf20Sopenharmony_ci return 0; 228c2ecf20Sopenharmony_ci else if ((unsigned int) au.s.low > (unsigned int) bu.s.low) 238c2ecf20Sopenharmony_ci return 2; 248c2ecf20Sopenharmony_ci 258c2ecf20Sopenharmony_ci return 1; 268c2ecf20Sopenharmony_ci} 278c2ecf20Sopenharmony_ciEXPORT_SYMBOL(__cmpdi2); 28