LXR linux/lib/ucmpdi2.c

   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   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