audk/MdePkg/Library/BaseLib/Ia32/MultU64x32.asm

36 lines
1.0 KiB
NASM

;------------------------------------------------------------------------------
;
; Copyright (c) 2006, Intel Corporation
; All rights reserved. This program and the accompanying materials
; are licensed and made available under the terms and conditions of the BSD License
; which accompanies this distribution. The full text of the license may be found at
; http://opensource.org/licenses/bsd-license.php
;
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
;
; Module Name:
;
; MultU64x32.asm
;
; Abstract:
;
; Calculate the product of a 64-bit integer and a 32-bit integer
;
;------------------------------------------------------------------------------
.386
.model flat,C
.code
InternalMathMultU64x32 PROC
mov ecx, [esp + 12]
mov eax, ecx
imul ecx, [esp + 8]
mul dword ptr [esp + 4]
add edx, ecx
ret
InternalMathMultU64x32 ENDP
END