1;------------------------------------------------------------------------------ 2; 3; Copyright (c) 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; Module Name: 13; 14; MultU64x32.nasm 15; 16; Abstract: 17; 18; Calculate the product of a 64-bit integer and a 32-bit integer 19; 20;------------------------------------------------------------------------------ 21 22 SECTION .text 23 24;------------------------------------------------------------------------------ 25; UINT64 26; EFIAPI 27; InternalMathMultU64x32 ( 28; IN UINT64 Multiplicand, 29; IN UINT32 Multiplier 30; ); 31;------------------------------------------------------------------------------ 32global ASM_PFX(InternalMathMultU64x32) 33ASM_PFX(InternalMathMultU64x32): 34 mov ecx, [esp + 12] 35 mov eax, ecx 36 imul ecx, [esp + 8] ; overflow not detectable 37 mul dword [esp + 4] 38 add edx, ecx 39 ret 40 41