1#------------------------------------------------------------------------------
2#
3# Copyright (c) 2006 - 2008, 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.S
15#
16# Abstract:
17#
18#   Calculate the product of a 64-bit integer and a 32-bit integer
19#
20#------------------------------------------------------------------------------
21
22
23    .code:
24
25ASM_GLOBAL ASM_PFX(InternalMathMultU64x32)
26
27#------------------------------------------------------------------------------
28# UINT64
29# EFIAPI
30# InternalMathMultU64x32 (
31#   IN      UINT64                    Multiplicand,
32#   IN      UINT32                    Multiplier
33#   );
34#------------------------------------------------------------------------------
35ASM_PFX(InternalMathMultU64x32):
36    movl    12(%esp), %ecx
37    movl    %ecx, %eax
38    imull   8(%esp), %ecx               # overflow not detectable
39    mull    0x4(%esp)
40    addl    %ecx, %edx
41    ret
42