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kernel/linux-imx6_3.14.28/arch/s390/lib/ucmpdi2.c 474 Bytes
6b13f685e   김민수   BSP 최초 추가
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  #include <linux/module.h>
  
  union ull_union {
  	unsigned long long ull;
  	struct {
  		unsigned int high;
  		unsigned int low;
  	} ui;
  };
  
  int __ucmpdi2(unsigned long long a, unsigned long long b)
  {
  	union ull_union au = {.ull = a};
  	union ull_union bu = {.ull = b};
  
  	if (au.ui.high < bu.ui.high)
  		return 0;
  	else if (au.ui.high > bu.ui.high)
  		return 2;
  	if (au.ui.low < bu.ui.low)
  		return 0;
  	else if (au.ui.low > bu.ui.low)
  		return 2;
  	return 1;
  }
  EXPORT_SYMBOL(__ucmpdi2);