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https://github.com/torvalds/linux
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Tip revision: 08332893e37af6ae779367e78e444f8f9571511d authored by Linus Torvalds on 22 May 2017, 02:30:23 UTC
Linux 4.12-rc2
Tip revision: 0833289
cmpdi2.c
#include <linux/export.h>

#include "libgcc.h"

word_type notrace __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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