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lib/ucmpdi2.c 568 Bytes
588cb88ce   Thomas Gleixner   treewide: Replace...
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  // SPDX-License-Identifier: GPL-2.0-or-later
b35cd9884   Palmer Dabbelt   lib: Add shared c...
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  /*
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   */
  
  #include <linux/module.h>
4db2b604c   Christoph Hellwig   move libgcc.h to ...
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  #include <linux/libgcc.h>
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aad5a537a   Palmer Dabbelt   Add notrace to li...
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  word_type notrace __ucmpdi2(unsigned long long a, unsigned long long b)
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  {
  	const DWunion au = {.ll = a};
  	const DWunion bu = {.ll = b};
  
  	if ((unsigned int) au.s.high < (unsigned int) bu.s.high)
  		return 0;
  	else if ((unsigned int) au.s.high > (unsigned int) bu.s.high)
  		return 2;
  	if ((unsigned int) au.s.low < (unsigned int) bu.s.low)
  		return 0;
  	else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)
  		return 2;
  	return 1;
  }
  EXPORT_SYMBOL(__ucmpdi2);