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/* $Id: udivmoddi4.c $ */
/** @file
* IPRT - __udivmoddi4 implementation
*/
/*
* Copyright (C) 2006-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox 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.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
#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;
Quotient.u = 0; /* shut up gcc 10 */
Reminder.u = 0; /* shut up gcc 10 */
RTUInt64DivRem(&Quotient, &Reminder, &Divident, &Divisor);
if (pu64R)
*pu64R = Reminder.u;
return Quotient.u;
}
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