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
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
|
/*
* Copyright (c) 2012
* MIPS Technologies, Inc., California.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the MIPS Technologies, Inc., nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Authors: Darko Laus (darko@mips.com)
* Djordje Pesut (djordje@mips.com)
* Mirjana Vulin (mvulin@mips.com)
*
* AAC Spectral Band Replication decoding functions optimized for MIPS
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* Reference: libavcodec/aacdec.c
*/
#ifndef AVCODEC_MIPS_AACDEC_MIPS_H
#define AVCODEC_MIPS_AACDEC_MIPS_H
#include "libavcodec/aac.h"
#include "libavutil/mips/asmdefs.h"
#if HAVE_INLINE_ASM && HAVE_MIPSFPU
#if !HAVE_MIPS32R6 && !HAVE_MIPS64R6
static inline float *VMUL2_mips(float *dst, const float *v, unsigned idx,
const float *scale)
{
float temp0, temp1, temp2;
int temp3, temp4;
float *ret;
__asm__ volatile(
"andi %[temp3], %[idx], 0x0F \n\t"
"andi %[temp4], %[idx], 0xF0 \n\t"
"sll %[temp3], %[temp3], 2 \n\t"
"srl %[temp4], %[temp4], 2 \n\t"
"lwc1 %[temp2], 0(%[scale]) \n\t"
"lwxc1 %[temp0], %[temp3](%[v]) \n\t"
"lwxc1 %[temp1], %[temp4](%[v]) \n\t"
"mul.s %[temp0], %[temp0], %[temp2] \n\t"
"mul.s %[temp1], %[temp1], %[temp2] \n\t"
PTR_ADDIU "%[ret], %[dst], 8 \n\t"
"swc1 %[temp0], 0(%[dst]) \n\t"
"swc1 %[temp1], 4(%[dst]) \n\t"
: [temp0]"=&f"(temp0), [temp1]"=&f"(temp1),
[temp2]"=&f"(temp2), [temp3]"=&r"(temp3),
[temp4]"=&r"(temp4), [ret]"=&r"(ret)
: [idx]"r"(idx), [scale]"r"(scale), [v]"r"(v),
[dst]"r"(dst)
: "memory"
);
return ret;
}
static inline float *VMUL4_mips(float *dst, const float *v, unsigned idx,
const float *scale)
{
int temp0, temp1, temp2, temp3;
float temp4, temp5, temp6, temp7, temp8;
float *ret;
__asm__ volatile(
"andi %[temp0], %[idx], 0x03 \n\t"
"andi %[temp1], %[idx], 0x0C \n\t"
"andi %[temp2], %[idx], 0x30 \n\t"
"andi %[temp3], %[idx], 0xC0 \n\t"
"sll %[temp0], %[temp0], 2 \n\t"
"srl %[temp2], %[temp2], 2 \n\t"
"srl %[temp3], %[temp3], 4 \n\t"
"lwc1 %[temp4], 0(%[scale]) \n\t"
"lwxc1 %[temp5], %[temp0](%[v]) \n\t"
"lwxc1 %[temp6], %[temp1](%[v]) \n\t"
"lwxc1 %[temp7], %[temp2](%[v]) \n\t"
"lwxc1 %[temp8], %[temp3](%[v]) \n\t"
"mul.s %[temp5], %[temp5], %[temp4] \n\t"
"mul.s %[temp6], %[temp6], %[temp4] \n\t"
"mul.s %[temp7], %[temp7], %[temp4] \n\t"
"mul.s %[temp8], %[temp8], %[temp4] \n\t"
PTR_ADDIU "%[ret], %[dst], 16 \n\t"
"swc1 %[temp5], 0(%[dst]) \n\t"
"swc1 %[temp6], 4(%[dst]) \n\t"
"swc1 %[temp7], 8(%[dst]) \n\t"
"swc1 %[temp8], 12(%[dst]) \n\t"
: [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
[temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
[temp4]"=&f"(temp4), [temp5]"=&f"(temp5),
[temp6]"=&f"(temp6), [temp7]"=&f"(temp7),
[temp8]"=&f"(temp8), [ret]"=&r"(ret)
: [idx]"r"(idx), [scale]"r"(scale), [v]"r"(v),
[dst]"r"(dst)
: "memory"
);
return ret;
}
static inline float *VMUL2S_mips(float *dst, const float *v, unsigned idx,
unsigned sign, const float *scale)
{
int temp0, temp1, temp2, temp3, temp4, temp5;
float temp6, temp7, temp8, temp9;
float *ret;
__asm__ volatile(
"andi %[temp0], %[idx], 0x0F \n\t"
"andi %[temp1], %[idx], 0xF0 \n\t"
"lw %[temp4], 0(%[scale]) \n\t"
"srl %[temp2], %[sign], 1 \n\t"
"sll %[temp3], %[sign], 31 \n\t"
"sll %[temp2], %[temp2], 31 \n\t"
"sll %[temp0], %[temp0], 2 \n\t"
"srl %[temp1], %[temp1], 2 \n\t"
"lwxc1 %[temp8], %[temp0](%[v]) \n\t"
"lwxc1 %[temp9], %[temp1](%[v]) \n\t"
"xor %[temp5], %[temp4], %[temp2] \n\t"
"xor %[temp4], %[temp4], %[temp3] \n\t"
"mtc1 %[temp5], %[temp6] \n\t"
"mtc1 %[temp4], %[temp7] \n\t"
"mul.s %[temp8], %[temp8], %[temp6] \n\t"
"mul.s %[temp9], %[temp9], %[temp7] \n\t"
PTR_ADDIU "%[ret], %[dst], 8 \n\t"
"swc1 %[temp8], 0(%[dst]) \n\t"
"swc1 %[temp9], 4(%[dst]) \n\t"
: [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
[temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
[temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
[temp6]"=&f"(temp6), [temp7]"=&f"(temp7),
[temp8]"=&f"(temp8), [temp9]"=&f"(temp9),
[ret]"=&r"(ret)
: [idx]"r"(idx), [scale]"r"(scale), [v]"r"(v),
[dst]"r"(dst), [sign]"r"(sign)
: "memory"
);
return ret;
}
static inline float *VMUL4S_mips(float *dst, const float *v, unsigned idx,
unsigned sign, const float *scale)
{
int temp0, temp1, temp2, temp3, temp4;
float temp10, temp11, temp12, temp13, temp14, temp15, temp16, temp17;
float *ret;
unsigned int mask = 1U << 31;
__asm__ volatile(
"lw %[temp0], 0(%[scale]) \n\t"
"andi %[temp1], %[idx], 0x03 \n\t"
"andi %[temp2], %[idx], 0x0C \n\t"
"andi %[temp3], %[idx], 0x30 \n\t"
"andi %[temp4], %[idx], 0xC0 \n\t"
"sll %[temp1], %[temp1], 2 \n\t"
"srl %[temp3], %[temp3], 2 \n\t"
"srl %[temp4], %[temp4], 4 \n\t"
"lwxc1 %[temp10], %[temp1](%[v]) \n\t"
"lwxc1 %[temp11], %[temp2](%[v]) \n\t"
"lwxc1 %[temp12], %[temp3](%[v]) \n\t"
"lwxc1 %[temp13], %[temp4](%[v]) \n\t"
"and %[temp1], %[sign], %[mask] \n\t"
"srl %[temp2], %[idx], 12 \n\t"
"srl %[temp3], %[idx], 13 \n\t"
"srl %[temp4], %[idx], 14 \n\t"
"andi %[temp2], %[temp2], 1 \n\t"
"andi %[temp3], %[temp3], 1 \n\t"
"andi %[temp4], %[temp4], 1 \n\t"
"sllv %[sign], %[sign], %[temp2] \n\t"
"xor %[temp1], %[temp0], %[temp1] \n\t"
"and %[temp2], %[sign], %[mask] \n\t"
"mtc1 %[temp1], %[temp14] \n\t"
"xor %[temp2], %[temp0], %[temp2] \n\t"
"sllv %[sign], %[sign], %[temp3] \n\t"
"mtc1 %[temp2], %[temp15] \n\t"
"and %[temp3], %[sign], %[mask] \n\t"
"sllv %[sign], %[sign], %[temp4] \n\t"
"xor %[temp3], %[temp0], %[temp3] \n\t"
"and %[temp4], %[sign], %[mask] \n\t"
"mtc1 %[temp3], %[temp16] \n\t"
"xor %[temp4], %[temp0], %[temp4] \n\t"
"mtc1 %[temp4], %[temp17] \n\t"
"mul.s %[temp10], %[temp10], %[temp14] \n\t"
"mul.s %[temp11], %[temp11], %[temp15] \n\t"
"mul.s %[temp12], %[temp12], %[temp16] \n\t"
"mul.s %[temp13], %[temp13], %[temp17] \n\t"
PTR_ADDIU "%[ret], %[dst], 16 \n\t"
"swc1 %[temp10], 0(%[dst]) \n\t"
"swc1 %[temp11], 4(%[dst]) \n\t"
"swc1 %[temp12], 8(%[dst]) \n\t"
"swc1 %[temp13], 12(%[dst]) \n\t"
: [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
[temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
[temp4]"=&r"(temp4), [temp10]"=&f"(temp10),
[temp11]"=&f"(temp11), [temp12]"=&f"(temp12),
[temp13]"=&f"(temp13), [temp14]"=&f"(temp14),
[temp15]"=&f"(temp15), [temp16]"=&f"(temp16),
[temp17]"=&f"(temp17), [ret]"=&r"(ret),
[sign]"+r"(sign)
: [idx]"r"(idx), [scale]"r"(scale), [v]"r"(v),
[dst]"r"(dst), [mask]"r"(mask)
: "memory"
);
return ret;
}
#define VMUL2 VMUL2_mips
#define VMUL4 VMUL4_mips
#define VMUL2S VMUL2S_mips
#define VMUL4S VMUL4S_mips
#endif /* !HAVE_MIPS32R6 && !HAVE_MIPS64R6 */
#endif /* HAVE_INLINE_ASM && HAVE_MIPSFPU */
#endif /* AVCODEC_MIPS_AACDEC_MIPS_H */
|
