Linux Kernel  3.7.1
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ucmpdi2.c
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1 #include <linux/module.h>
2 
3 #include "libgcc.h"
4 
5 word_type __ucmpdi2(unsigned long long a, unsigned long long b)
6 {
7  const DWunion au = {.ll = a};
8  const DWunion bu = {.ll = b};
9 
10  if ((unsigned int) au.s.high < (unsigned int) bu.s.high)
11  return 0;
12  else if ((unsigned int) au.s.high > (unsigned int) bu.s.high)
13  return 2;
14  if ((unsigned int) au.s.low < (unsigned int) bu.s.low)
15  return 0;
16  else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)
17  return 2;
18  return 1;
19 }
20