https://github.com/torvalds/linux
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Tip revision: 64570fbc14f8d7cb3fe3995f20e26bc25ce4b2cc authored by Linus Torvalds on 11 October 2021, 00:01:59 UTC
Linux 5.15-rc5
Tip revision: 64570fb
ucmpdi2.c
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 */

#include <linux/module.h>
#include <linux/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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