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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
dnl x86-64 mpn_addmul_1 and mpn_submul_1, optimized for "Core 2".
dnl Copyright 2003, 2004, 2005, 2007, 2008, 2009 Free Software Foundation, Inc.
dnl This file is part of the GNU MP Library.
dnl The GNU MP Library is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU Lesser General Public License as published
dnl by the Free Software Foundation; either version 3 of the License, or (at
dnl your option) any later version.
dnl The GNU MP Library is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
dnl License for more details.
dnl You should have received a copy of the GNU Lesser General Public License
dnl along with the GNU MP Library. If not, see http://www.gnu.org/licenses/.
include(`../config.m4')
C cycles/limb
C AMD K8,K9 4
C AMD K10 4
C Intel P4 ?
C Intel core2 4.3-4.5 (fluctuating)
C Intel corei 5
C Intel atom ?
C VIA nano ?
C INPUT PARAMETERS
define(`rp', `%rdi')
define(`up', `%rsi')
define(`n', `%rdx')
define(`v0', `%rcx')
ifdef(`OPERATION_addmul_1',`
define(`ADDSUB', `add')
define(`func', `mpn_addmul_1')
')
ifdef(`OPERATION_submul_1',`
define(`ADDSUB', `sub')
define(`func', `mpn_submul_1')
')
MULFUNC_PROLOGUE(mpn_addmul_1 mpn_submul_1)
ASM_START()
TEXT
ALIGN(16)
PROLOGUE(func)
push %rbx
push %rbp
lea (%rdx), %rbx
neg %rbx
mov (up), %rax
mov (rp), %r10
lea -16(rp,%rdx,8), rp
lea (up,%rdx,8), up
mul %rcx
bt $0, R32(%rbx)
jc L(odd)
lea (%rax), %r11
mov 8(up,%rbx,8), %rax
lea (%rdx), %rbp
mul %rcx
add $2, %rbx
jns L(n2)
lea (%rax), %r8
mov (up,%rbx,8), %rax
lea (%rdx), %r9
jmp L(mid)
L(odd): add $1, %rbx
jns L(n1)
lea (%rax), %r8
mov (up,%rbx,8), %rax
lea (%rdx), %r9
mul %rcx
lea (%rax), %r11
mov 8(up,%rbx,8), %rax
lea (%rdx), %rbp
jmp L(e)
ALIGN(16)
L(top): mul %rcx
ADDSUB %r8, %r10
lea (%rax), %r8
mov (up,%rbx,8), %rax
adc %r9, %r11
mov %r10, -8(rp,%rbx,8)
mov (rp,%rbx,8), %r10
lea (%rdx), %r9
adc $0, %rbp
L(mid): mul %rcx
ADDSUB %r11, %r10
lea (%rax), %r11
mov 8(up,%rbx,8), %rax
adc %rbp, %r8
mov %r10, (rp,%rbx,8)
mov 8(rp,%rbx,8), %r10
lea (%rdx), %rbp
adc $0, %r9
L(e): add $2, %rbx
js L(top)
mul %rcx
ADDSUB %r8, %r10
adc %r9, %r11
mov %r10, -8(rp)
adc $0, %rbp
L(n2): mov (rp), %r10
ADDSUB %r11, %r10
adc %rbp, %rax
mov %r10, (rp)
adc $0, %rdx
L(n1): mov 8(rp), %r10
ADDSUB %rax, %r10
mov %r10, 8(rp)
mov R32(%rbx), R32(%rax) C zero rax
adc %rdx, %rax
pop %rbp
pop %rbx
ret
EPILOGUE()
|
