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
132
133
|
dnl Intel Pentium mpn_addmul_1 -- mpn by limb multiplication.
dnl Copyright 1992, 1994, 1996, 1999, 2000, 2002 Free Software Foundation,
dnl Inc.
dnl
dnl This file is part of the GNU MP Library.
dnl
dnl The GNU MP Library is free software; you can redistribute it and/or
dnl modify it under the terms of the GNU Lesser General Public License as
dnl published by the Free Software Foundation; either version 3 of the
dnl License, or (at your option) any later version.
dnl
dnl The GNU MP Library is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
dnl Lesser General Public License for more details.
dnl
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 P5: 14.0 cycles/limb
ifdef(`OPERATION_addmul_1', `
define(M4_inst, addl)
define(M4_function_1, mpn_addmul_1)
define(M4_function_1c, mpn_addmul_1c)
',`ifdef(`OPERATION_submul_1', `
define(M4_inst, subl)
define(M4_function_1, mpn_submul_1)
define(M4_function_1c, mpn_submul_1c)
',`m4_error(`Need OPERATION_addmul_1 or OPERATION_submul_1
')')')
MULFUNC_PROLOGUE(mpn_addmul_1 mpn_addmul_1c mpn_submul_1 mpn_submul_1c)
C mp_limb_t mpn_addmul_1 (mp_ptr dst, mp_srcptr src, mp_size_t size,
C mp_limb_t mult);
C mp_limb_t mpn_addmul_1c (mp_ptr dst, mp_srcptr src, mp_size_t size,
C mp_limb_t mult, mp_limb_t carry);
C
C mp_limb_t mpn_submul_1 (mp_ptr dst, mp_srcptr src, mp_size_t size,
C mp_limb_t mult);
C mp_limb_t mpn_submul_1c (mp_ptr dst, mp_srcptr src, mp_size_t size,
C mp_limb_t mult, mp_limb_t carry);
C
defframe(PARAM_CARRY, 20)
defframe(PARAM_MULTIPLIER,16)
defframe(PARAM_SIZE, 12)
defframe(PARAM_SRC, 8)
defframe(PARAM_DST, 4)
TEXT
ALIGN(8)
PROLOGUE(M4_function_1c)
deflit(`FRAME',0)
movl PARAM_CARRY, %ecx
pushl %esi FRAME_pushl()
jmp L(start_1c)
EPILOGUE()
ALIGN(8)
PROLOGUE(M4_function_1)
deflit(`FRAME',0)
xorl %ecx, %ecx
pushl %esi FRAME_pushl()
L(start_1c):
movl PARAM_SRC, %esi
movl PARAM_SIZE, %eax
pushl %edi FRAME_pushl()
pushl %ebx FRAME_pushl()
movl PARAM_DST, %edi
leal -1(%eax), %ebx C size-1
leal (%esi,%eax,4), %esi
xorl $-1, %ebx C -size, and clear carry
leal (%edi,%eax,4), %edi
L(top):
C eax
C ebx counter, negative
C ecx carry
C edx
C esi src end
C edi dst end
C ebp
adcl $0, %ecx
movl (%esi,%ebx,4), %eax
mull PARAM_MULTIPLIER
addl %ecx, %eax
movl (%edi,%ebx,4), %ecx
adcl $0, %edx
M4_inst %eax, %ecx
movl %ecx, (%edi,%ebx,4)
incl %ebx
movl %edx, %ecx
jnz L(top)
adcl $0, %ecx
popl %ebx
movl %ecx, %eax
popl %edi
popl %esi
ret
EPILOGUE()
|
