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https://github.com/torvalds/linux
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Tip revision: 45beca08dd8b6d6a65c5ffd730af2eac7a2c7a03 authored by Linus Torvalds on 02 November 2008, 22:17:19 UTC
Linux v2.6.28-rc3
Tip revision: 45beca0
cmpdi2.c
#include <linux/module.h>

#include "libgcc.h"

word_type __cmpdi2(long long a, long long b)
{
	const DWunion au = {
		.ll = a
	};
	const DWunion bu = {
		.ll = b
	};

	if (au.s.high < bu.s.high)
		return 0;
	else if (au.s.high > 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(__cmpdi2);
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