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
|
# This code was taken from http://www.mpg123.org
# See ChangeLog of mpg123-0.59s-pre.1 for detail
# Applied to mplayer by Nick Kurshev <nickols_k@mail.ru>
.bss
.align 8
.comm decwin,2176,32
.align 8
.comm decwins,2176,32
.data
.align 8
intwinbase_MMX:
.value 0, -1, -1, -1, -1, -1, -1, -2
.value -2, -2, -2, -3, -3, -4, -4, -5
.value -5, -6, -7, -7, -8, -9, -10, -11
.value -13, -14, -16, -17, -19, -21, -24, -26
.value -29, -31, -35, -38, -41, -45, -49, -53
.value -58, -63, -68, -73, -79, -85, -91, -97
.value -104, -111, -117, -125, -132, -139, -147, -154
.value -161, -169, -176, -183, -190, -196, -202, -208
.value -213, -218, -222, -225, -227, -228, -228, -227
.value -224, -221, -215, -208, -200, -189, -177, -163
.value -146, -127, -106, -83, -57, -29, 2, 36
.value 72, 111, 153, 197, 244, 294, 347, 401
.value 459, 519, 581, 645, 711, 779, 848, 919
.value 991, 1064, 1137, 1210, 1283, 1356, 1428, 1498
.value 1567, 1634, 1698, 1759, 1817, 1870, 1919, 1962
.value 2001, 2032, 2057, 2075, 2085, 2087, 2080, 2063
.value 2037, 2000, 1952, 1893, 1822, 1739, 1644, 1535
.value 1414, 1280, 1131, 970, 794, 605, 402, 185
.value -45, -288, -545, -814, -1095, -1388, -1692, -2006
.value -2330, -2663, -3004, -3351, -3705, -4063, -4425, -4788
.value -5153, -5517, -5879, -6237, -6589, -6935, -7271, -7597
.value -7910, -8209, -8491, -8755, -8998, -9219, -9416, -9585
.value -9727, -9838, -9916, -9959, -9966, -9935, -9863, -9750
.value -9592, -9389, -9139, -8840, -8492, -8092, -7640, -7134
.value -6574, -5959, -5288, -4561, -3776, -2935, -2037, -1082
.value -70, 998, 2122, 3300, 4533, 5818, 7154, 8540
.value 9975, 11455, 12980, 14548, 16155, 17799, 19478, 21189
.value 22929, 24694, 26482, 28289, 30112, 31947,-26209,-24360
.value -22511,-20664,-18824,-16994,-15179,-13383,-11610, -9863
.value -8147, -6466, -4822, -3222, -1667, -162, 1289, 2684
.value 4019, 5290, 6494, 7629, 8692, 9679, 10590, 11420
.value 12169, 12835, 13415, 13908, 14313, 14630, 14856, 14992
.value 15038
intwindiv:
.long 0x47800000 # 65536.0
.text
.align 32
.globl make_decode_tables_MMX
make_decode_tables_MMX:
pushl %edi
pushl %esi
pushl %ebx
xorl %ecx,%ecx
xorl %ebx,%ebx
movl $32,%esi
movl $intwinbase_MMX,%edi
negl 16(%esp) # scaleval
pushl $2 # intwinbase step
.L00:
cmpl $528,%ecx
jnc .L02
movswl (%edi),%eax
cmpl $intwinbase_MMX+444,%edi
jc .L01
addl $60000,%eax
.L01:
pushl %eax
fildl (%esp)
fdivs intwindiv
fimull 24(%esp)
popl %eax
fsts decwin(,%ecx,4)
fstps decwin+64(,%ecx,4)
.L02:
leal -1(%esi),%edx
and %ebx,%edx
cmp $31,%edx
jnz .L03
addl $-1023,%ecx
test %esi,%ebx
jz .L03
negl 20(%esp)
.L03:
addl %esi,%ecx
addl (%esp),%edi
incl %ebx
cmpl $intwinbase_MMX,%edi
jz .L04
cmp $256,%ebx
jnz .L00
negl (%esp)
jmp .L00
.L04:
popl %eax
xorl %ecx,%ecx
xorl %ebx,%ebx
pushl $2
.L05:
cmpl $528,%ecx
jnc .L11
movswl (%edi),%eax
cmpl $intwinbase_MMX+444,%edi
jc .L06
addl $60000,%eax
.L06:
cltd
imull 20(%esp)
shrdl $17,%edx,%eax
cmpl $32767,%eax
movl $1055,%edx
jle .L07
movl $32767,%eax
jmp .L08
.L07:
cmpl $-32767,%eax
jge .L08
movl $-32767,%eax
.L08:
cmpl $512,%ecx
jnc .L09
subl %ecx,%edx
movw %ax,decwins(,%edx,2)
movw %ax,decwins-32(,%edx,2)
.L09:
testl $1,%ecx
jnz .L10
negl %eax
.L10:
movw %ax,decwins(,%ecx,2)
movw %ax,decwins+32(,%ecx,2)
.L11:
leal -1(%esi),%edx
and %ebx,%edx
cmp $31,%edx
jnz .L12
addl $-1023,%ecx
test %esi,%ebx
jz .L12
negl 20(%esp)
.L12:
addl %esi,%ecx
addl (%esp),%edi
incl %ebx
cmpl $intwinbase_MMX,%edi
jz .L13
cmp $256,%ebx
jnz .L05
negl (%esp)
jmp .L05
.L13:
popl %eax
popl %ebx
popl %esi
popl %edi
ret
|
