Current File : //usr/src/vboxhost-6.0.14/vboxnetflt/math/gcc/udivmoddi4.c
/* $Id: udivmoddi4.c 127855 2019-01-01 01:45:53Z bird $ */
/** @file
* IPRT - __udivmoddi4 implementation
*/
/*
* Copyright (C) 2006-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
#include <iprt/stdint.h>
#include <iprt/uint64.h>
uint64_t __udivmoddi4(uint64_t u64A, uint64_t u64B, uint64_t *pu64R);
/**
* __udivmoddi4() implementation to satisfy external references from 32-bit
* code generated by gcc-7 or later.
*
* @param u64A The divident value.
* @param u64B The divisor value.
* @param pu64R A pointer to the reminder. May be NULL.
* @returns u64A / u64B
*/
uint64_t __udivmoddi4(uint64_t u64A, uint64_t u64B, uint64_t *pu64R)
{
RTUINT64U Divident;
RTUINT64U Divisor;
RTUINT64U Quotient;
RTUINT64U Reminder;
Divident.u = u64A;
Divisor.u = u64B;
RTUInt64DivRem(&Quotient, &Reminder, &Divident, &Divisor);
if (pu64R)
*pu64R = Reminder.u;
return Quotient.u;
}
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