https://github.com/torvalds/linux
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Tip revision: 97da3854c526d3a6ee05c849c96e48d21527606c authored by Linus Torvalds on 20 March 2017, 02:09:39 UTC
Linux 4.11-rc3
Tip revision: 97da385
ucmpdi2.c
#include <linux/export.h>

#include "libgcc.h"

word_type notrace __ucmpdi2(unsigned long long a, unsigned long long b)
{
	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);
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