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https://github.com/torvalds/linux
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Tip revision: c3b46c73264b03000d1e18b22f5caf63332547c9 authored by Linus Torvalds on 18 April 2016, 02:13:32 UTC
Linux 4.6-rc4
Tip revision: c3b46c7
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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