24 lines · c
1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 */4 5#include <linux/module.h>6#include <linux/libgcc.h>7 8word_type notrace __ucmpdi2(unsigned long long a, unsigned long long b)9{10 const DWunion au = {.ll = a};11 const DWunion bu = {.ll = b};12 13 if ((unsigned int) au.s.high < (unsigned int) bu.s.high)14 return 0;15 else if ((unsigned int) au.s.high > (unsigned int) bu.s.high)16 return 2;17 if ((unsigned int) au.s.low < (unsigned int) bu.s.low)18 return 0;19 else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)20 return 2;21 return 1;22}23EXPORT_SYMBOL(__ucmpdi2);24