blob: 336d75ee7c300117dc36d5d5409a1489a6b873c1 (
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
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
#------------------------------------------------------------------------------
#
# Copyright (c) 2009 - 2011, 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:
#
# MathDivU64x64.S
#
# Abstract:
#
# 64-bit Math Worker Function.
# Divides a 64-bit unsigned value with a 64-bit unsigned value and returns
# a 64-bit unsigned result.
#
#------------------------------------------------------------------------------
.686:
.code:
ASM_GLOBAL ASM_PFX(__udivdi3), ASM_PFX(DivU64x64Remainder)
#------------------------------------------------------------------------------
#
# void __cdecl __udivdi3 (void)
#
#------------------------------------------------------------------------------
ASM_PFX(__udivdi3):
# Original local stack when calling __udivdi3
# -----------------
# | |
# |---------------|
# | |
# |-- Divisor --|
# | |
# |---------------|
# | |
# |-- Dividend --|
# | |
# |---------------|
# | ReturnAddr** |
# ESP---->|---------------|
#
#
# Set up the local stack for NULL Reminder pointer
#
xorl %eax, %eax
push %eax
#
# Set up the local stack for Divisor parameter
#
movl 20(%esp), %eax
push %eax
movl 20(%esp), %eax
push %eax
#
# Set up the local stack for Dividend parameter
#
movl 20(%esp), %eax
push %eax
movl 20(%esp), %eax
push %eax
#
# Call native DivU64x64Remainder of BaseLib
#
jmp ASM_PFX(DivU64x64Remainder)
#
# Adjust stack
#
addl $20, %esp
ret $16
|
