blob: 8e3f6f55602bb629393cbcea955c3e2b7353b0b5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
#------------------------------------------------------------------------------
#
# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
# 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.S
#
# Abstract:
#
# Calculate the product of a 64-bit integer and a 32-bit integer
#
#------------------------------------------------------------------------------
.code:
ASM_GLOBAL ASM_PFX(InternalMathMultU64x32)
#------------------------------------------------------------------------------
# UINT64
# EFIAPI
# InternalMathMultU64x32 (
# IN UINT64 Multiplicand,
# IN UINT32 Multiplier
# );
#------------------------------------------------------------------------------
ASM_PFX(InternalMathMultU64x32):
movl 12(%esp), %ecx
movl %ecx, %eax
imull 8(%esp), %ecx # overflow not detectable
mull 0x4(%esp)
addl %ecx, %edx
ret
|
