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https://github.com/torvalds/linux
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Tip revision: c59765042f53a79a7a65585042ff463b69cb248c authored by Linus Torvalds on 10 January 2009, 23:43:05 UTC
Linux 2.6.29-rc1
Tip revision: c597650
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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