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
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
; XzCrc64Opt.asm -- CRC64 calculation : optimized version
; 2011-06-28 : Igor Pavlov : Public domain
include 7zAsm.asm
MY_ASM_START
ifdef x64
rD equ r9
rN equ r10
num_VAR equ r8
table_VAR equ r9
SRCDAT equ rN + rD
CRC_XOR macro dest:req, src:req, t:req
xor dest, QWORD PTR [r5 + src * 8 + 0800h * t]
endm
CRC1b macro
movzx x6, BYTE PTR [rD]
inc rD
movzx x3, x0_L
xor x6, x3
shr r0, 8
CRC_XOR r0, r6, 0
dec rN
endm
MY_PROLOG macro crc_end:req
MY_PUSH_4_REGS
mov r0, r1
mov rN, num_VAR
mov r5, table_VAR
mov rD, r2
test rN, rN
jz crc_end
@@:
test rD, 3
jz @F
CRC1b
jnz @B
@@:
cmp rN, 8
jb crc_end
add rN, rD
mov num_VAR, rN
sub rN, 4
and rN, NOT 3
sub rD, rN
mov x1, [SRCDAT]
xor r0, r1
add rN, 4
endm
MY_EPILOG macro crc_end:req
sub rN, 4
mov x1, [SRCDAT]
xor r0, r1
mov rD, rN
mov rN, num_VAR
sub rN, rD
crc_end:
test rN, rN
jz @F
CRC1b
jmp crc_end
@@:
MY_POP_4_REGS
endm
MY_PROC XzCrc64UpdateT4, 4
MY_PROLOG crc_end_4
align 16
main_loop_4:
mov x1, [SRCDAT]
movzx x2, x0_L
movzx x3, x0_H
shr r0, 16
movzx x6, x0_L
movzx x7, x0_H
shr r0, 16
CRC_XOR r1, r2, 3
CRC_XOR r0, r3, 2
CRC_XOR r1, r6, 1
CRC_XOR r0, r7, 0
xor r0, r1
add rD, 4
jnz main_loop_4
MY_EPILOG crc_end_4
MY_ENDP
else
rD equ r1
rN equ r7
crc_val equ (REG_SIZE * 5)
crc_table equ (8 + crc_val)
table_VAR equ [r4 + crc_table]
num_VAR equ table_VAR
SRCDAT equ rN + rD
CRC macro op0:req, op1:req, dest0:req, dest1:req, src:req, t:req
op0 dest0, DWORD PTR [r5 + src * 8 + 0800h * t]
op1 dest1, DWORD PTR [r5 + src * 8 + 0800h * t + 4]
endm
CRC_XOR macro dest0:req, dest1:req, src:req, t:req
CRC xor, xor, dest0, dest1, src, t
endm
CRC1b macro
movzx x6, BYTE PTR [rD]
inc rD
movzx x3, x0_L
xor x6, x3
shrd r0, r2, 8
shr r2, 8
CRC_XOR r0, r2, r6, 0
dec rN
endm
MY_PROLOG macro crc_end:req
MY_PUSH_4_REGS
mov rN, r2
mov x0, [r4 + crc_val]
mov x2, [r4 + crc_val + 4]
mov r5, table_VAR
test rN, rN
jz crc_end
@@:
test rD, 3
jz @F
CRC1b
jnz @B
@@:
cmp rN, 8
jb crc_end
add rN, rD
mov num_VAR, rN
sub rN, 4
and rN, NOT 3
sub rD, rN
xor r0, [SRCDAT]
add rN, 4
endm
MY_EPILOG macro crc_end:req
sub rN, 4
xor r0, [SRCDAT]
mov rD, rN
mov rN, num_VAR
sub rN, rD
crc_end:
test rN, rN
jz @F
CRC1b
jmp crc_end
@@:
MY_POP_4_REGS
endm
MY_PROC XzCrc64UpdateT4, 5
MY_PROLOG crc_end_4
movzx x6, x0_L
align 16
main_loop_4:
mov r3, [SRCDAT]
xor r3, r2
CRC xor, mov, r3, r2, r6, 3
movzx x6, x0_H
shr r0, 16
CRC_XOR r3, r2, r6, 2
movzx x6, x0_L
movzx x0, x0_H
CRC_XOR r3, r2, r6, 1
CRC_XOR r3, r2, r0, 0
movzx x6, x3_L
mov r0, r3
add rD, 4
jnz main_loop_4
MY_EPILOG crc_end_4
MY_ENDP
endif
end
|
