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
206
207
208
209
210
|
; ------------------------------------------------------------------
; Copyright (C) 1998-2009 PacketVideo
;
; Licensed under the Apache License, Version 2.0 (the "License");
; you may not use this file except in compliance with the License.
; You may obtain a copy of the License at
;
; http://www.apache.org/licenses/LICENSE-2.0
;
; Unless required by applicable law or agreed to in writing, software
; distributed under the License is distributed on an "AS IS" BASIS,
; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
; express or implied.
; See the License for the specific language governing permissions
; and limitations under the License.
; -------------------------------------------------------------------
;
;
; Filename: pvmp3_dct_9.s
;
;------------------------------------------------------------------------------
; REVISION HISTORY
;
;
; Who: Date: MM/DD/YYYY
; Description:
;
;------------------------------------------------------------------------------
AREA |.drectve|, DRECTVE
DCB "-defaultlib:coredll.lib "
DCB "-defaultlib:corelibc.lib "
IMPORT pvmp3_mdct_18 ; pvmp3_mdct_18.cpp
;------------------------------------------------------------------------------
AREA |.rdata|, DATA, READONLY
% 4
;------------------------------------------------------------------------------
AREA |.text|, CODE, READONLY
;------------------------------------------------------------------------------
EXPORT |pvmp3_dct_9|
|pvmp3_dct_9| PROC
stmfd sp!,{r4-r10,lr}
ldr r2, [r0, #0x20]
ldr r3, [r0]
ldr r12,[r0, #4]
add r1,r2,r3
sub lr,r2,r3
ldr r3,[r0, #0x1c]
ldr r4,[r0, #0x18]
add r2,r3,r12
ldr r5,[r0,#8]
sub r3,r3,r12
add r12,r4,r5
sub r4,r4,r5
ldr r5,[r0, #0x14]
ldr r7,[r0, #0xc]
ldr r9,[r0, #0x10]
add r6,r5,r7
sub r5,r5,r7
add r7,r1,r12
add r8,r9,r2
add r7,r7,r6
add r10,r7,r8
rsb r7,r8,r7,asr #1
str r7,[r0, #0x18]
rsb r2,r9,r2,asr #1
str r10,[r0]
ldr r11,|cos_2pi_9|
rsb r7,r2,#0
mov r9,r1,lsl #1
mov r1,r9 ;;;;;; !!!!!!
mov r8,r7
; vec[4] = fxp_mac32_Q32( vec[4], tmp0<<1, cos_2pi_9);
smlal r1,r8,r11,r9
ldr r10,|cos_4pi_9|
ldr r11,|cos_pi_9|
; vec[8] = fxp_mac32_Q32( vec[8], tmp0<<1, cos_4pi_9);
smlal r1,r7,r10,r9
; vec[2] = fxp_mac32_Q32( vec[2], tmp0<<1, cos_pi_9);
smlal r9,r2,r11,r9
mov r1,r12,lsl #1
rsb r9,r10,#0
ldr r11,|cos_5pi_9|
smlal r12,r2,r9,r1
; vec[2] = fxp_mac32_Q32( vec[2], tmp2<<1, cos_5pi_9);
ldr r9,|cos_2pi_9|
mov r12,r1 ;;;;;; !!!!!!
smlal r12,r8,r11,r1
; vec[8] = fxp_mac32_Q32( vec[8], tmp2<<1, cos_2pi_9);
smlal r1,r7,r9,r1
mov r1,r6,lsl #1
smlal r12,r7,r11,r1
and r6,r10,r11,asr #14
smlal r12,r8,r6,r1
ldr r10,|cos_11pi_18|
add r12,r11,r6
smlal r1,r2,r12,r1
ldr r9,|cos_8pi_9|
str r2,[r0,#8]
mov r1,r5,lsl #1
; vec[8] = fxp_mac32_Q32( vec[8], tmp3<<1, cos_8pi_9);
smull r2,r6,r9,r1
str r7,[r0,#0x20]
mov r2,r4,lsl #1
ldr r7,|cos_13pi_18|
smlal r12,r6,r10,r2
mov r3,r3,lsl #1
; vec[5] = fxp_mac32_Q32( vec[5], tmp8<<1, cos_13pi_18);
smlal r12,r6,r7,r3
add r4,r5,r4
mov r12,lr,lsl #1
sub lr,r4,lr
ldr r7,|cos_17pi_18|
str r8,[r0, #0x10]
ldr r4,|cos_pi_6|
mov lr,lr,lsl #1
; vec[1] = fxp_mac32_Q32( vec[1], tmp8<<1, cos_17pi_18);
smlal r8,r6,r7,r12
; vec[3] = fxp_mul32_Q32((tmp5 + tmp6 - tmp8)<<1, cos_pi_6);
smull r5,lr,r4,lr
str r6,[r0, #4]
str lr,[r0, #0xc]
; vec[5] = fxp_mul32_Q32(tmp5<<1, cos_17pi_18);
smull r5,lr,r7,r1
rsb r6,r9,#0
; vec[5] = fxp_mac32_Q32( vec[5], tmp6<<1, cos_7pi_18);
smlal r5,lr,r6,r2
; vec[5] = fxp_mac32_Q32( vec[5], tmp7<<1, cos_pi_6);
smlal r5,lr,r4,r3
; vec[5] = fxp_mac32_Q32( vec[5], tmp8<<1, cos_13pi_18);
smlal r5,lr,r10,r12
str lr,[r0, #0x14]
rsb lr,r10,#0
; vec[7] = fxp_mul32_Q32(tmp5<<1, cos_5pi_18);
smull r5,r1,lr,r1
; vec[7] = fxp_mac32_Q32( vec[7], tmp6<<1, cos_17pi_18);
smlal r2,r1,r7,r2
; vec[7] = fxp_mac32_Q32( vec[7], tmp7<<1, cos_pi_6);
smlal r3,r1,r4,r3
; vec[7] = fxp_mac32_Q32( vec[7], tmp8<<1, cos_11pi_18);
smlal r12,r1,r9,r12
str r1,[r0, #0x1c]
ldmfd sp!,{r4-r10,pc}
|cos_2pi_9|
DCD 0x620dbe80
|cos_4pi_9|
DCD 0x163a1a80
|cos_pi_9|
DCD 0x7847d900
|cos_5pi_9|
DCD 0x87b82700
|cos_8pi_9|
DCD 0xd438af00
|cos_11pi_18|
DCD 0xadb92280
|cos_13pi_18|
DCD 0x91261480
|cos_17pi_18|
DCD 0x81f1d200
|cos_pi_6|
DCD 0x6ed9eb80
ENDP
END
|
