Staging
v0.7.0
https://github.com/torvalds/linux
Raw File
Tip revision: 7379047d5585187d1288486d4627873170d0005a authored by Linus Torvalds on 18 October 2015, 23:08:42 UTC
Linux 4.3-rc6
Tip revision: 7379047
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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