18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci */ 48c2ecf20Sopenharmony_ci 58c2ecf20Sopenharmony_ci#include <linux/module.h> 68c2ecf20Sopenharmony_ci#include <linux/libgcc.h> 78c2ecf20Sopenharmony_ci 88c2ecf20Sopenharmony_ciword_type notrace __ucmpdi2(unsigned long long a, unsigned long long b) 98c2ecf20Sopenharmony_ci{ 108c2ecf20Sopenharmony_ci const DWunion au = {.ll = a}; 118c2ecf20Sopenharmony_ci const DWunion bu = {.ll = b}; 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ci if ((unsigned int) au.s.high < (unsigned int) bu.s.high) 148c2ecf20Sopenharmony_ci return 0; 158c2ecf20Sopenharmony_ci else if ((unsigned int) au.s.high > (unsigned int) bu.s.high) 168c2ecf20Sopenharmony_ci return 2; 178c2ecf20Sopenharmony_ci if ((unsigned int) au.s.low < (unsigned int) bu.s.low) 188c2ecf20Sopenharmony_ci return 0; 198c2ecf20Sopenharmony_ci else if ((unsigned int) au.s.low > (unsigned int) bu.s.low) 208c2ecf20Sopenharmony_ci return 2; 218c2ecf20Sopenharmony_ci return 1; 228c2ecf20Sopenharmony_ci} 238c2ecf20Sopenharmony_ciEXPORT_SYMBOL(__ucmpdi2); 24