1 /*++ 2 3 Copyright (c) 2004 - 2006, Intel Corporation. All rights reserved.<BR> 4 This program and the accompanying materials 5 are licensed and made available under the terms and conditions of the BSD License 6 which accompanies this distribution. The full text of the license may be found at 7 http://opensource.org/licenses/bsd-license.php 8 9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 11 12 13 Module Name: 14 15 MultU64x32.c 16 17 Abstract: 18 19 20 21 --*/ 22 23 #include "BaseLibInternals.h" 24 25 UINT64 26 EFIAPI 27 InternalMathMultU64x32 ( 28 IN UINT64 Multiplicand, 29 IN UINT32 Multiplier 30 ) 31 { 32 _asm { 33 mov ecx, Multiplier 34 mov eax, ecx 35 imul ecx, dword ptr [Multiplicand + 4] // overflow not detectable 36 mul dword ptr [Multiplicand + 0] 37 add edx, ecx 38 } 39 } 40 41
