FFmpeg
mpegaudiodsp_mips_float.c
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1 /*
2  * Copyright (c) 2012
3  * MIPS Technologies, Inc., California.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the MIPS Technologies, Inc., nor the names of its
14  * contributors may be used to endorse or promote products derived from
15  * this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED. IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * Author: Bojan Zivkovic (bojan@mips.com)
30  *
31  * MPEG Audio decoder optimized for MIPS floating-point architecture
32  *
33  * This file is part of FFmpeg.
34  *
35  * FFmpeg is free software; you can redistribute it and/or
36  * modify it under the terms of the GNU Lesser General Public
37  * License as published by the Free Software Foundation; either
38  * version 2.1 of the License, or (at your option) any later version.
39  *
40  * FFmpeg is distributed in the hope that it will be useful,
41  * but WITHOUT ANY WARRANTY; without even the implied warranty of
42  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
43  * Lesser General Public License for more details.
44  *
45  * You should have received a copy of the GNU Lesser General Public
46  * License along with FFmpeg; if not, write to the Free Software
47  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
48  */
49 
50 /**
51  * @file
52  * Reference: libavcodec/mpegaudiodsp_template.c
53  * libavcodec/dct32.c
54  */
55 
56 #include <string.h>
57 
58 #include "libavutil/mips/asmdefs.h"
59 #include "libavcodec/mpegaudiodsp.h"
60 
61 #if HAVE_INLINE_ASM && HAVE_MIPSFPU
62 #if !HAVE_MIPS32R6 && !HAVE_MIPS64R6
63 
64 static void ff_mpadsp_apply_window_mips_float(float *synth_buf, float *window,
65  int *dither_state, float *samples, ptrdiff_t incr)
66 {
67  register const float *w, *w2, *p;
68  int j;
69  float *samples2;
70  float sum, sum2;
71  /* temporary variables */
72  int incr1 = incr << 2;
73  int t_sample;
74  float in1, in2, in3, in4, in5, in6, in7, in8;
75  float *p2;
76 
77  /* copy to avoid wrap */
78  memcpy(synth_buf + 512, synth_buf, 32 * sizeof(*synth_buf));
79 
80  /**
81  * instructions are scheduled to minimize pipeline stall.
82  * use of round_sample function from the original code is
83  * changed with appropriate assembly instructions.
84  */
85 
86  __asm__ volatile (
87  "lwc1 %[sum], 0(%[dither_state]) \t\n"
88  "sll %[t_sample], %[incr1], 5 \t\n"
89  "sub %[t_sample], %[t_sample], %[incr1] \n\t"
90  "li %[j], 4 \t\n"
91  "lwc1 %[in1], 0(%[window]) \t\n"
92  "lwc1 %[in2], 16*4(%[synth_buf]) \t\n"
93  "sw $zero, 0(%[dither_state]) \t\n"
94  "lwc1 %[in3], 64*4(%[window]) \t\n"
95  "lwc1 %[in4], 80*4(%[synth_buf]) \t\n"
96  PTR_ADDU "%[samples2],%[samples], %[t_sample] \t\n"
97  "madd.s %[sum], %[sum], %[in1], %[in2] \t\n"
98  "lwc1 %[in5], 128*4(%[window]) \t\n"
99  "lwc1 %[in6], 144*4(%[synth_buf]) \t\n"
100  "lwc1 %[in7], 192*4(%[window]) \t\n"
101  "madd.s %[sum], %[sum], %[in3], %[in4] \t\n"
102  "lwc1 %[in8], 208*4(%[synth_buf]) \t\n"
103  "lwc1 %[in1], 256*4(%[window]) \t\n"
104  "lwc1 %[in2], 272*4(%[synth_buf]) \t\n"
105  "madd.s %[sum], %[sum], %[in5], %[in6] \t\n"
106  "lwc1 %[in3], 320*4(%[window]) \t\n"
107  "lwc1 %[in4], 336*4(%[synth_buf]) \t\n"
108  "lwc1 %[in5], 384*4(%[window]) \t\n"
109  "madd.s %[sum], %[sum], %[in7], %[in8] \t\n"
110  "lwc1 %[in6], 400*4(%[synth_buf]) \t\n"
111  "lwc1 %[in7], 448*4(%[window]) \t\n"
112  "lwc1 %[in8], 464*4(%[synth_buf]) \t\n"
113  "madd.s %[sum], %[sum], %[in1], %[in2] \t\n"
114  "lwc1 %[in1], 32*4(%[window]) \t\n"
115  "lwc1 %[in2], 48*4(%[synth_buf]) \t\n"
116  "madd.s %[sum], %[sum], %[in3], %[in4] \t\n"
117  "lwc1 %[in3], 96*4(%[window]) \t\n"
118  "lwc1 %[in4], 112*4(%[synth_buf]) \t\n"
119  "madd.s %[sum], %[sum], %[in5], %[in6] \t\n"
120  "lwc1 %[in5], 160*4(%[window]) \t\n"
121  "lwc1 %[in6], 176*4(%[synth_buf]) \t\n"
122  "madd.s %[sum], %[sum], %[in7], %[in8] \t\n"
123  "lwc1 %[in7], 224*4(%[window]) \t\n"
124  "lwc1 %[in8], 240*4(%[synth_buf]) \t\n"
125  "nmsub.s %[sum], %[sum], %[in1], %[in2] \t\n"
126  "lwc1 %[in1], 288*4(%[window]) \t\n"
127  "lwc1 %[in2], 304*4(%[synth_buf]) \t\n"
128  "nmsub.s %[sum], %[sum], %[in3], %[in4] \t\n"
129  "lwc1 %[in3], 352*4(%[window]) \t\n"
130  "lwc1 %[in4], 368*4(%[synth_buf]) \t\n"
131  "nmsub.s %[sum], %[sum], %[in5], %[in6] \t\n"
132  "lwc1 %[in5], 416*4(%[window]) \t\n"
133  "lwc1 %[in6], 432*4(%[synth_buf]) \t\n"
134  "nmsub.s %[sum], %[sum], %[in7], %[in8] \t\n"
135  "lwc1 %[in7], 480*4(%[window]) \t\n"
136  "lwc1 %[in8], 496*4(%[synth_buf]) \t\n"
137  "nmsub.s %[sum], %[sum], %[in1], %[in2] \t\n"
138  PTR_ADDU "%[w], %[window], 4 \t\n"
139  "nmsub.s %[sum], %[sum], %[in3], %[in4] \t\n"
140  PTR_ADDU "%[w2], %[window], 124 \t\n"
141  PTR_ADDIU "%[p], %[synth_buf], 68 \t\n"
142  PTR_ADDIU "%[p2], %[synth_buf], 188 \t\n"
143  "nmsub.s %[sum], %[sum], %[in5], %[in6] \t\n"
144  "nmsub.s %[sum], %[sum], %[in7], %[in8] \t\n"
145  "swc1 %[sum], 0(%[samples]) \t\n"
146  PTR_ADDU "%[samples], %[samples], %[incr1] \t\n"
147 
148  /* calculate two samples at the same time to avoid one memory
149  access per two sample */
150 
151  "ff_mpadsp_apply_window_loop%=: \t\n"
152  "lwc1 %[in1], 0(%[w]) \t\n"
153  "lwc1 %[in2], 0(%[p]) \t\n"
154  "lwc1 %[in3], 0(%[w2]) \t\n"
155  "lwc1 %[in4], 64*4(%[w]) \t\n"
156  "lwc1 %[in5], 64*4(%[p]) \t\n"
157  "lwc1 %[in6], 64*4(%[w2]) \t\n"
158  "mul.s %[sum], %[in1], %[in2] \t\n"
159  "mul.s %[sum2], %[in2], %[in3] \t\n"
160  "lwc1 %[in1], 128*4(%[w]) \t\n"
161  "lwc1 %[in2], 128*4(%[p]) \t\n"
162  "madd.s %[sum], %[sum], %[in4], %[in5] \t\n"
163  "nmadd.s %[sum2], %[sum2], %[in5], %[in6] \t\n"
164  "lwc1 %[in3], 128*4(%[w2]) \t\n"
165  "lwc1 %[in4], 192*4(%[w]) \t\n"
166  "madd.s %[sum], %[sum], %[in1], %[in2] \t\n"
167  "lwc1 %[in5], 192*4(%[p]) \t\n"
168  "lwc1 %[in6], 192*4(%[w2]) \t\n"
169  "nmsub.s %[sum2], %[sum2], %[in2], %[in3] \t\n"
170  "lwc1 %[in1], 256*4(%[w]) \t\n"
171  "lwc1 %[in2], 256*4(%[p]) \t\n"
172  "madd.s %[sum], %[sum], %[in4], %[in5] \t\n"
173  "nmsub.s %[sum2], %[sum2], %[in5], %[in6] \t\n"
174  "lwc1 %[in3], 256*4(%[w2]) \t\n"
175  "lwc1 %[in4], 320*4(%[w]) \t\n"
176  "madd.s %[sum], %[sum], %[in1], %[in2] \t\n"
177  "lwc1 %[in5], 320*4(%[p]) \t\n"
178  "lwc1 %[in6], 320*4(%[w2]) \t\n"
179  "nmsub.s %[sum2], %[sum2], %[in2], %[in3] \t\n"
180  "lwc1 %[in1], 384*4(%[w]) \t\n"
181  "lwc1 %[in2], 384*4(%[p]) \t\n"
182  "madd.s %[sum], %[sum], %[in4], %[in5] \t\n"
183  "nmsub.s %[sum2], %[sum2], %[in5], %[in6] \t\n"
184  "lwc1 %[in3], 384*4(%[w2]) \t\n"
185  "lwc1 %[in4], 448*4(%[w]) \t\n"
186  "madd.s %[sum], %[sum], %[in1], %[in2] \t\n"
187  "lwc1 %[in5], 448*4(%[p]) \t\n"
188  "lwc1 %[in6], 448*4(%[w2]) \t\n"
189  "nmsub.s %[sum2], %[sum2], %[in2], %[in3] \t\n"
190  "madd.s %[sum], %[sum], %[in4], %[in5] \t\n"
191  "lwc1 %[in1], 32*4(%[w]) \t\n"
192  "lwc1 %[in2], 0(%[p2]) \t\n"
193  "nmsub.s %[sum2], %[sum2], %[in5], %[in6] \t\n"
194  "lwc1 %[in3], 32*4(%[w2]) \t\n"
195  "lwc1 %[in4], 96*4(%[w]) \t\n"
196  "lwc1 %[in5], 64*4(%[p2]) \t\n"
197  "nmsub.s %[sum], %[sum], %[in1], %[in2] \t\n"
198  "lwc1 %[in6], 96*4(%[w2]) \t\n"
199  "nmsub.s %[sum2], %[sum2], %[in2], %[in3] \t\n"
200  "lwc1 %[in1], 160*4(%[w]) \t\n"
201  "nmsub.s %[sum], %[sum], %[in4], %[in5] \t\n"
202  "lwc1 %[in2], 128*4(%[p2]) \t\n"
203  "nmsub.s %[sum2], %[sum2], %[in5], %[in6] \t\n"
204  "lwc1 %[in3], 160*4(%[w2]) \t\n"
205  "lwc1 %[in4], 224*4(%[w]) \t\n"
206  "lwc1 %[in5], 192*4(%[p2]) \t\n"
207  "nmsub.s %[sum], %[sum], %[in1], %[in2] \t\n"
208  "lwc1 %[in6], 224*4(%[w2]) \t\n"
209  "nmsub.s %[sum2], %[sum2], %[in2], %[in3] \t\n"
210  "lwc1 %[in1], 288*4(%[w]) \t\n"
211  "nmsub.s %[sum], %[sum], %[in4], %[in5] \t\n"
212  "lwc1 %[in2], 256*4(%[p2]) \t\n"
213  "nmsub.s %[sum2], %[sum2], %[in5], %[in6] \t\n"
214  "lwc1 %[in3], 288*4(%[w2]) \t\n"
215  "lwc1 %[in4], 352*4(%[w]) \t\n"
216  "lwc1 %[in5], 320*4(%[p2]) \t\n"
217  "nmsub.s %[sum], %[sum], %[in1], %[in2] \t\n"
218  "lwc1 %[in6], 352*4(%[w2]) \t\n"
219  "nmsub.s %[sum2], %[sum2], %[in2], %[in3] \t\n"
220  "lwc1 %[in1], 416*4(%[w]) \t\n"
221  "nmsub.s %[sum], %[sum], %[in4], %[in5] \t\n"
222  "lwc1 %[in2], 384*4(%[p2]) \t\n"
223  "nmsub.s %[sum2], %[sum2], %[in5], %[in6] \t\n"
224  "lwc1 %[in3], 416*4(%[w2]) \t\n"
225  "lwc1 %[in4], 480*4(%[w]) \t\n"
226  "lwc1 %[in5], 448*4(%[p2]) \t\n"
227  "nmsub.s %[sum], %[sum], %[in1], %[in2] \t\n"
228  "lwc1 %[in6], 480*4(%[w2]) \t\n"
229  "nmsub.s %[sum2], %[sum2], %[in2], %[in3] \t\n"
230  PTR_ADDIU "%[w], %[w], 4 \t\n"
231  "nmsub.s %[sum], %[sum], %[in4], %[in5] \t\n"
232  PTR_ADDIU "%[w2], %[w2], -4 \t\n"
233  "nmsub.s %[sum2], %[sum2], %[in5], %[in6] \t\n"
234  "addu %[j], %[j], 4 \t\n"
235  PTR_ADDIU "%[p], 4 \t\n"
236  "swc1 %[sum], 0(%[samples]) \t\n"
237  PTR_ADDIU "%[p2], -4 \t\n"
238  "swc1 %[sum2], 0(%[samples2]) \t\n"
239  PTR_ADDU "%[samples], %[samples], %[incr1] \t\n"
240  PTR_SUBU "%[samples2],%[samples2], %[incr1] \t\n"
241  "bne %[j], 64, ff_mpadsp_apply_window_loop%= \t\n"
242 
243  "lwc1 %[in1], 48*4(%[window]) \t\n"
244  "lwc1 %[in2], 32*4(%[synth_buf]) \t\n"
245  "lwc1 %[in3], 112*4(%[window]) \t\n"
246  "lwc1 %[in4], 96*4(%[synth_buf]) \t\n"
247  "lwc1 %[in5], 176*4(%[window]) \t\n"
248  "lwc1 %[in6], 160*4(%[synth_buf]) \t\n"
249  "mul.s %[sum], %[in1], %[in2] \t\n"
250  "lwc1 %[in7], 240*4(%[window]) \t\n"
251  "lwc1 %[in8], 224*4(%[synth_buf]) \t\n"
252  "lwc1 %[in1], 304*4(%[window]) \t\n"
253  "nmadd.s %[sum], %[sum], %[in3], %[in4] \t\n"
254  "lwc1 %[in2], 288*4(%[synth_buf]) \t\n"
255  "lwc1 %[in3], 368*4(%[window]) \t\n"
256  "lwc1 %[in4], 352*4(%[synth_buf]) \t\n"
257  "nmsub.s %[sum], %[sum], %[in5], %[in6] \t\n"
258  "nmsub.s %[sum], %[sum], %[in7], %[in8] \t\n"
259  "lwc1 %[in5], 432*4(%[window]) \t\n"
260  "lwc1 %[in6], 416*4(%[synth_buf]) \t\n"
261  "nmsub.s %[sum], %[sum], %[in1], %[in2] \t\n"
262  "lwc1 %[in7], 496*4(%[window]) \t\n"
263  "lwc1 %[in8], 480*4(%[synth_buf]) \t\n"
264  "nmsub.s %[sum], %[sum], %[in3], %[in4] \t\n"
265  "nmsub.s %[sum], %[sum], %[in5], %[in6] \t\n"
266  "nmsub.s %[sum], %[sum], %[in7], %[in8] \t\n"
267  "swc1 %[sum], 0(%[samples]) \t\n"
268 
269  : [sum] "=&f" (sum), [sum2] "=&f" (sum2),
270  [w2] "=&r" (w2), [w] "=&r" (w),
271  [p] "=&r" (p), [p2] "=&r" (p2), [j] "=&r" (j),
272  [samples] "+r" (samples), [samples2] "=&r" (samples2),
273  [in1] "=&f" (in1), [in2] "=&f" (in2),
274  [in3] "=&f" (in3), [in4] "=&f" (in4),
275  [in5] "=&f" (in5), [in6] "=&f" (in6),
276  [in7] "=&f" (in7), [in8] "=&f" (in8),
277  [t_sample] "=&r" (t_sample)
278  : [synth_buf] "r" (synth_buf), [window] "r" (window),
279  [dither_state] "r" (dither_state), [incr1] "r" (incr1)
280  : "memory"
281  );
282 }
283 
284 static void ff_dct32_mips_float(float *out, const float *tab)
285 {
286  float val0 , val1 , val2 , val3 , val4 , val5 , val6 , val7,
287  val8 , val9 , val10, val11, val12, val13, val14, val15,
288  val16, val17, val18, val19, val20, val21, val22, val23,
289  val24, val25, val26, val27, val28, val29, val30, val31;
290  float fTmp1, fTmp2, fTmp3, fTmp4, fTmp5, fTmp6, fTmp8, fTmp9;
291  float f1, f2, f3, f4, f5, f6, f7;
292 
293  f1 = 0.50241928618815570551;
294  f2 = 0.50060299823519630134;
295  f3 = 10.19000812354805681150;
296  f4 = 5.10114861868916385802;
297  f5 = 0.67480834145500574602;
298  f6 = 0.74453627100229844977;
299  f7 = 0.50979557910415916894;
300  /**
301  * instructions are scheduled to minimize pipeline stall.
302  */
303  __asm__ volatile (
304  "lwc1 %[fTmp1], 0*4(%[tab]) \n\t"
305  "lwc1 %[fTmp2], 31*4(%[tab]) \n\t"
306  "lwc1 %[fTmp3], 15*4(%[tab]) \n\t"
307  "lwc1 %[fTmp4], 16*4(%[tab]) \n\t"
308  "add.s %[fTmp5], %[fTmp1], %[fTmp2] \n\t"
309  "sub.s %[fTmp8], %[fTmp1], %[fTmp2] \n\t"
310  "add.s %[fTmp6], %[fTmp3], %[fTmp4] \n\t"
311  "sub.s %[fTmp9], %[fTmp3], %[fTmp4] \n\t"
312  "mul.s %[fTmp8], %[fTmp8], %[f2] \n\t"
313  "add.s %[val0], %[fTmp5], %[fTmp6] \n\t"
314  "sub.s %[val15], %[fTmp5], %[fTmp6] \n\t"
315  "lwc1 %[fTmp1], 7*4(%[tab]) \n\t"
316  "lwc1 %[fTmp2], 24*4(%[tab]) \n\t"
317  "madd.s %[val16], %[fTmp8], %[fTmp9], %[f3] \n\t"
318  "nmsub.s %[val31], %[fTmp8], %[fTmp9], %[f3] \n\t"
319  "mul.s %[val15], %[val15], %[f1] \n\t"
320  "lwc1 %[fTmp3], 8*4(%[tab]) \n\t"
321  "lwc1 %[fTmp4], 23*4(%[tab]) \n\t"
322  "add.s %[fTmp5], %[fTmp1], %[fTmp2] \n\t"
323  "mul.s %[val31], %[val31], %[f1] \n\t"
324  "sub.s %[fTmp8], %[fTmp1], %[fTmp2] \n\t"
325  "add.s %[fTmp6], %[fTmp3], %[fTmp4] \n\t"
326  "sub.s %[fTmp9], %[fTmp3], %[fTmp4] \n\t"
327  "add.s %[val7], %[fTmp5], %[fTmp6] \n\t"
328  "sub.s %[val8], %[fTmp5], %[fTmp6] \n\t"
329  "mul.s %[fTmp8], %[fTmp8], %[f5] \n\t"
330  "sub.s %[fTmp2], %[val0], %[val7] \n\t"
331  "mul.s %[val8], %[val8], %[f4] \n\t"
332  "madd.s %[val23], %[fTmp8], %[fTmp9], %[f6] \n\t"
333  "nmsub.s %[val24], %[fTmp8], %[fTmp9], %[f6] \n\t"
334  "add.s %[val0], %[val0], %[val7] \n\t"
335  "mul.s %[val7], %[f7], %[fTmp2] \n\t"
336  "sub.s %[fTmp2], %[val15], %[val8] \n\t"
337  "add.s %[val8], %[val15], %[val8] \n\t"
338  "mul.s %[val24], %[val24], %[f4] \n\t"
339  "sub.s %[fTmp3], %[val16], %[val23] \n\t"
340  "add.s %[val16], %[val16], %[val23] \n\t"
341  "mul.s %[val15], %[f7], %[fTmp2] \n\t"
342  "sub.s %[fTmp4], %[val31], %[val24] \n\t"
343  "mul.s %[val23], %[f7], %[fTmp3] \n\t"
344  "add.s %[val24], %[val31], %[val24] \n\t"
345  "mul.s %[val31], %[f7], %[fTmp4] \n\t"
346 
347  : [fTmp1] "=&f" (fTmp1), [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3),
348  [fTmp4] "=&f" (fTmp4), [fTmp5] "=&f" (fTmp5), [fTmp6] "=&f" (fTmp6),
349  [fTmp8] "=&f" (fTmp8), [fTmp9] "=&f" (fTmp9),
350  [val0] "=&f" (val0), [val7] "=&f" (val7),
351  [val8] "=&f" (val8), [val15] "=&f" (val15),
352  [val16] "=&f" (val16), [val23] "=&f" (val23),
353  [val24] "=&f" (val24), [val31] "=&f" (val31)
354  : [tab] "r" (tab), [f1]"f"(f1), [f2]"f"(f2), [f3]"f"(f3),
355  [f4]"f"(f4), [f5]"f"(f5), [f6]"f"(f6), [f7]"f"(f7)
356  : "memory"
357  );
358 
359  f1 = 0.64682178335999012954;
360  f2 = 0.53104259108978417447;
361  f3 = 1.48416461631416627724;
362  f4 = 0.78815462345125022473;
363  f5 = 0.55310389603444452782;
364  f6 = 1.16943993343288495515;
365  f7 = 2.56291544774150617881;
366  __asm__ volatile (
367  "lwc1 %[fTmp1], 3*4(%[tab]) \n\t"
368  "lwc1 %[fTmp2], 28*4(%[tab]) \n\t"
369  "lwc1 %[fTmp3], 12*4(%[tab]) \n\t"
370  "lwc1 %[fTmp4], 19*4(%[tab]) \n\t"
371  "add.s %[fTmp5], %[fTmp1], %[fTmp2] \n\t"
372  "sub.s %[fTmp8], %[fTmp1], %[fTmp2] \n\t"
373  "add.s %[fTmp6], %[fTmp3], %[fTmp4] \n\t"
374  "sub.s %[fTmp9], %[fTmp3], %[fTmp4] \n\t"
375  "mul.s %[fTmp8], %[fTmp8], %[f2] \n\t"
376  "add.s %[val3], %[fTmp5], %[fTmp6] \n\t"
377  "sub.s %[val12], %[fTmp5], %[fTmp6] \n\t"
378  "lwc1 %[fTmp1], 4*4(%[tab]) \n\t"
379  "lwc1 %[fTmp2], 27*4(%[tab]) \n\t"
380  "madd.s %[val19], %[fTmp8], %[fTmp9], %[f3] \n\t"
381  "nmsub.s %[val28], %[fTmp8], %[fTmp9], %[f3] \n\t"
382  "mul.s %[val12], %[val12], %[f1] \n\t"
383  "lwc1 %[fTmp3], 11*4(%[tab]) \n\t"
384  "lwc1 %[fTmp4], 20*4(%[tab]) \n\t"
385  "add.s %[fTmp5], %[fTmp1], %[fTmp2] \n\t"
386  "mul.s %[val28], %[val28], %[f1] \n\t"
387  "sub.s %[fTmp8], %[fTmp1], %[fTmp2] \n\t"
388  "add.s %[fTmp6], %[fTmp3], %[fTmp4] \n\t"
389  "sub.s %[fTmp9], %[fTmp3], %[fTmp4] \n\t"
390  "mul.s %[fTmp8], %[fTmp8], %[f5] \n\t"
391  "add.s %[val4], %[fTmp5], %[fTmp6] \n\t"
392  "sub.s %[val11], %[fTmp5], %[fTmp6] \n\t"
393  "madd.s %[val20], %[fTmp8], %[fTmp9], %[f6] \n\t"
394  "nmsub.s %[val27], %[fTmp8], %[fTmp9], %[f6] \n\t"
395  "mul.s %[val11], %[val11], %[f4] \n\t"
396  "sub.s %[fTmp2], %[val3], %[val4] \n\t"
397  "add.s %[val3], %[val3], %[val4] \n\t"
398  "sub.s %[fTmp4], %[val19], %[val20] \n\t"
399  "mul.s %[val27], %[val27], %[f4] \n\t"
400  "sub.s %[fTmp3], %[val12], %[val11] \n\t"
401  "mul.s %[val4], %[f7], %[fTmp2] \n\t"
402  "add.s %[val11], %[val12], %[val11] \n\t"
403  "add.s %[val19], %[val19], %[val20] \n\t"
404  "mul.s %[val20], %[f7], %[fTmp4] \n\t"
405  "mul.s %[val12], %[f7], %[fTmp3] \n\t"
406  "sub.s %[fTmp2], %[val28], %[val27] \n\t"
407  "add.s %[val27], %[val28], %[val27] \n\t"
408  "mul.s %[val28], %[f7], %[fTmp2] \n\t"
409 
410  : [fTmp1] "=&f" (fTmp1), [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3),
411  [fTmp4] "=&f" (fTmp4), [fTmp5] "=&f" (fTmp5), [fTmp6] "=&f" (fTmp6),
412  [fTmp8] "=&f" (fTmp8), [fTmp9] "=&f" (fTmp9),
413  [val3] "=&f" (val3), [val4] "=&f" (val4),
414  [val11] "=&f" (val11), [val12] "=&f" (val12),
415  [val19] "=&f" (val19), [val20] "=&f" (val20),
416  [val27] "=&f" (val27), [val28] "=&f" (val28)
417  : [tab] "r" (tab), [f1]"f"(f1), [f2]"f"(f2), [f3]"f"(f3),
418  [f4]"f"(f4), [f5]"f"(f5), [f6]"f"(f6), [f7]"f"(f7)
419  : "memory"
420  );
421 
422  f1 = 0.54119610014619698439;
423  __asm__ volatile (
424  "sub.s %[fTmp2], %[val0], %[val3] \n\t"
425  "add.s %[val0], %[val0], %[val3] \n\t"
426  "sub.s %[fTmp3], %[val7], %[val4] \n\t"
427  "add.s %[val4], %[val7], %[val4] \n\t"
428  "sub.s %[fTmp4], %[val8], %[val11] \n\t"
429  "mul.s %[val3], %[f1], %[fTmp2] \n\t"
430  "add.s %[val8], %[val8], %[val11] \n\t"
431  "mul.s %[val7], %[f1], %[fTmp3] \n\t"
432  "sub.s %[fTmp2], %[val15], %[val12] \n\t"
433  "mul.s %[val11], %[f1], %[fTmp4] \n\t"
434  "add.s %[val12], %[val15], %[val12] \n\t"
435  "mul.s %[val15], %[f1], %[fTmp2] \n\t"
436 
437  : [val0] "+&f" (val0), [val3] "+&f" (val3),
438  [val4] "+&f" (val4), [val7] "+&f" (val7),
439  [val8] "+&f" (val8), [val11] "+&f" (val11),
440  [val12] "+&f" (val12), [val15] "+&f" (val15),
441  [fTmp2] "=&f" (fTmp2),
442  [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4)
443  : [f1] "f" (f1)
444  );
445 
446  __asm__ volatile (
447  "sub.s %[fTmp2], %[val16], %[val19] \n\t"
448  "add.s %[val16], %[val16], %[val19] \n\t"
449  "sub.s %[fTmp3], %[val23], %[val20] \n\t"
450  "add.s %[val20], %[val23], %[val20] \n\t"
451  "sub.s %[fTmp4], %[val24], %[val27] \n\t"
452  "mul.s %[val19], %[f1], %[fTmp2] \n\t"
453  "add.s %[val24], %[val24], %[val27] \n\t"
454  "mul.s %[val23], %[f1], %[fTmp3] \n\t"
455  "sub.s %[fTmp2], %[val31], %[val28] \n\t"
456  "mul.s %[val27], %[f1], %[fTmp4] \n\t"
457  "add.s %[val28], %[val31], %[val28] \n\t"
458  "mul.s %[val31], %[f1], %[fTmp2] \n\t"
459 
460  : [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),
461  [val16] "+&f" (val16), [val19] "+&f" (val19), [val20] "+&f" (val20),
462  [val23] "+&f" (val23), [val24] "+&f" (val24), [val27] "+&f" (val27),
463  [val28] "+&f" (val28), [val31] "+&f" (val31)
464  : [f1] "f" (f1)
465  );
466 
467  f1 = 0.52249861493968888062;
468  f2 = 0.50547095989754365998;
469  f3 = 3.40760841846871878570;
470  f4 = 1.72244709823833392782;
471  f5 = 0.62250412303566481615;
472  f6 = 0.83934964541552703873;
473  f7 = 0.60134488693504528054;
474  __asm__ volatile (
475  "lwc1 %[fTmp1], 1*4(%[tab]) \n\t"
476  "lwc1 %[fTmp2], 30*4(%[tab]) \n\t"
477  "lwc1 %[fTmp3], 14*4(%[tab]) \n\t"
478  "lwc1 %[fTmp4], 17*4(%[tab]) \n\t"
479  "add.s %[fTmp5], %[fTmp1], %[fTmp2] \n\t"
480  "sub.s %[fTmp8], %[fTmp1], %[fTmp2] \n\t"
481  "add.s %[fTmp6], %[fTmp3], %[fTmp4] \n\t"
482  "sub.s %[fTmp9], %[fTmp3], %[fTmp4] \n\t"
483  "mul.s %[fTmp8], %[fTmp8], %[f2] \n\t"
484  "add.s %[val1], %[fTmp5], %[fTmp6] \n\t"
485  "sub.s %[val14], %[fTmp5], %[fTmp6] \n\t"
486  "lwc1 %[fTmp1], 6*4(%[tab]) \n\t"
487  "lwc1 %[fTmp2], 25*4(%[tab]) \n\t"
488  "madd.s %[val17], %[fTmp8], %[fTmp9], %[f3] \n\t"
489  "nmsub.s %[val30], %[fTmp8], %[fTmp9], %[f3] \n\t"
490  "mul.s %[val14], %[val14], %[f1] \n\t"
491  "lwc1 %[fTmp3], 9*4(%[tab]) \n\t"
492  "lwc1 %[fTmp4], 22*4(%[tab]) \n\t"
493  "add.s %[fTmp5], %[fTmp1], %[fTmp2] \n\t"
494  "mul.s %[val30], %[val30], %[f1] \n\t"
495  "sub.s %[fTmp8], %[fTmp1], %[fTmp2] \n\t"
496  "add.s %[fTmp6], %[fTmp3], %[fTmp4] \n\t"
497  "sub.s %[fTmp9], %[fTmp3], %[fTmp4] \n\t"
498  "add.s %[val6], %[fTmp5], %[fTmp6] \n\t"
499  "sub.s %[val9], %[fTmp5], %[fTmp6] \n\t"
500  "mul.s %[fTmp8], %[fTmp8], %[f5] \n\t"
501  "sub.s %[fTmp2], %[val1], %[val6] \n\t"
502  "add.s %[val1], %[val1], %[val6] \n\t"
503  "mul.s %[val9], %[val9], %[f4] \n\t"
504  "madd.s %[val22], %[fTmp8], %[fTmp9], %[f6] \n\t"
505  "nmsub.s %[val25], %[fTmp8], %[fTmp9], %[f6] \n\t"
506  "mul.s %[val6], %[f7], %[fTmp2] \n\t"
507  "sub.s %[fTmp2], %[val14], %[val9] \n\t"
508  "add.s %[val9], %[val14], %[val9] \n\t"
509  "mul.s %[val25], %[val25], %[f4] \n\t"
510  "sub.s %[fTmp3], %[val17], %[val22] \n\t"
511  "add.s %[val17], %[val17], %[val22] \n\t"
512  "mul.s %[val14], %[f7], %[fTmp2] \n\t"
513  "sub.s %[fTmp2], %[val30], %[val25] \n\t"
514  "mul.s %[val22], %[f7], %[fTmp3] \n\t"
515  "add.s %[val25], %[val30], %[val25] \n\t"
516  "mul.s %[val30], %[f7], %[fTmp2] \n\t"
517 
518  : [fTmp1] "=&f" (fTmp1), [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3),
519  [fTmp4] "=&f" (fTmp4), [fTmp5] "=&f" (fTmp5), [fTmp6] "=&f" (fTmp6),
520  [fTmp8] "=&f" (fTmp8), [fTmp9] "=&f" (fTmp9),
521  [val1] "=&f" (val1), [val6] "=&f" (val6),
522  [val9] "=&f" (val9), [val14] "=&f" (val14),
523  [val17] "=&f" (val17), [val22] "=&f" (val22),
524  [val25] "=&f" (val25), [val30] "=&f" (val30)
525  : [tab] "r" (tab), [f1]"f"(f1), [f2]"f"(f2), [f3]"f"(f3),
526  [f4]"f"(f4), [f5]"f"(f5), [f6]"f"(f6), [f7]"f"(f7)
527  : "memory"
528  );
529 
530  f1 = 0.56694403481635770368;
531  f2 = 0.51544730992262454697;
532  f3 = 2.05778100995341155085;
533  f4 = 1.06067768599034747134;
534  f5 = 0.58293496820613387367;
535  f6 = 0.97256823786196069369;
536  f7 = 0.89997622313641570463;
537  __asm__ volatile (
538  "lwc1 %[fTmp1], 2*4(%[tab]) \n\t"
539  "lwc1 %[fTmp2], 29*4(%[tab]) \n\t"
540  "lwc1 %[fTmp3], 13*4(%[tab]) \n\t"
541  "lwc1 %[fTmp4], 18*4(%[tab]) \n\t"
542  "add.s %[fTmp5], %[fTmp1], %[fTmp2] \n\t"
543  "sub.s %[fTmp8], %[fTmp1], %[fTmp2] \n\t"
544  "add.s %[fTmp6], %[fTmp3], %[fTmp4] \n\t"
545  "sub.s %[fTmp9], %[fTmp3], %[fTmp4] \n\t"
546  "mul.s %[fTmp8], %[fTmp8], %[f2] \n\t"
547  "add.s %[val2], %[fTmp5], %[fTmp6] \n\t"
548  "sub.s %[val13], %[fTmp5], %[fTmp6] \n\t"
549  "lwc1 %[fTmp1], 5*4(%[tab]) \n\t"
550  "lwc1 %[fTmp2], 26*4(%[tab]) \n\t"
551  "madd.s %[val18], %[fTmp8], %[fTmp9], %[f3] \n\t"
552  "nmsub.s %[val29], %[fTmp8], %[fTmp9], %[f3] \n\t"
553  "mul.s %[val13], %[val13], %[f1] \n\t"
554  "lwc1 %[fTmp3], 10*4(%[tab]) \n\t"
555  "lwc1 %[fTmp4], 21*4(%[tab]) \n\t"
556  "mul.s %[val29], %[val29], %[f1] \n\t"
557  "add.s %[fTmp5], %[fTmp1], %[fTmp2] \n\t"
558  "sub.s %[fTmp8], %[fTmp1], %[fTmp2] \n\t"
559  "add.s %[fTmp6], %[fTmp3], %[fTmp4] \n\t"
560  "sub.s %[fTmp9], %[fTmp3], %[fTmp4] \n\t"
561  "add.s %[val5], %[fTmp5], %[fTmp6] \n\t"
562  "sub.s %[val10], %[fTmp5], %[fTmp6] \n\t"
563  "mul.s %[fTmp8], %[fTmp8], %[f5] \n\t"
564  "sub.s %[fTmp2], %[val2], %[val5] \n\t"
565  "mul.s %[val10], %[val10], %[f4] \n\t"
566  "madd.s %[val21], %[fTmp8], %[fTmp9], %[f6] \n\t"
567  "nmsub.s %[val26], %[fTmp8], %[fTmp9], %[f6] \n\t"
568  "add.s %[val2], %[val2], %[val5] \n\t"
569  "mul.s %[val5], %[f7], %[fTmp2] \n\t"
570  "sub.s %[fTmp3], %[val13], %[val10] \n\t"
571  "add.s %[val10], %[val13], %[val10] \n\t"
572  "mul.s %[val26], %[val26], %[f4] \n\t"
573  "sub.s %[fTmp4], %[val18], %[val21] \n\t"
574  "add.s %[val18], %[val18], %[val21] \n\t"
575  "mul.s %[val13], %[f7], %[fTmp3] \n\t"
576  "sub.s %[fTmp2], %[val29], %[val26] \n\t"
577  "add.s %[val26], %[val29], %[val26] \n\t"
578  "mul.s %[val21], %[f7], %[fTmp4] \n\t"
579  "mul.s %[val29], %[f7], %[fTmp2] \n\t"
580 
581  : [fTmp1] "=&f" (fTmp1), [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3),
582  [fTmp4] "=&f" (fTmp4), [fTmp5] "=&f" (fTmp5), [fTmp6] "=&f" (fTmp6),
583  [fTmp8] "=&f" (fTmp8), [fTmp9] "=&f" (fTmp9),
584  [val2] "=&f" (val2), [val5] "=&f" (val5),
585  [val10] "=&f" (val10), [val13] "=&f" (val13),
586  [val18] "=&f" (val18), [val21] "=&f" (val21),
587  [val26] "=&f" (val26), [val29] "=&f" (val29)
588  : [tab] "r" (tab), [f1]"f"(f1), [f2]"f"(f2), [f3]"f"(f3),
589  [f4]"f"(f4), [f5]"f"(f5), [f6]"f"(f6), [f7]"f"(f7)
590  : "memory"
591  );
592 
593  f1 = 1.30656296487637652785;
594  __asm__ volatile (
595  "sub.s %[fTmp2], %[val1], %[val2] \n\t"
596  "add.s %[val1], %[val1], %[val2] \n\t"
597  "sub.s %[fTmp3], %[val6], %[val5] \n\t"
598  "add.s %[val5], %[val6], %[val5] \n\t"
599  "sub.s %[fTmp4], %[val9], %[val10] \n\t"
600  "mul.s %[val2], %[f1], %[fTmp2] \n\t"
601  "add.s %[val9], %[val9], %[val10] \n\t"
602  "mul.s %[val6], %[f1], %[fTmp3] \n\t"
603  "sub.s %[fTmp2], %[val14], %[val13] \n\t"
604  "mul.s %[val10], %[f1], %[fTmp4] \n\t"
605  "add.s %[val13], %[val14], %[val13] \n\t"
606  "mul.s %[val14], %[f1], %[fTmp2] \n\t"
607 
608  : [fTmp2] "=&f" (fTmp2),
609  [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),
610  [val1] "+&f" (val1), [val2] "+&f" (val2),
611  [val5] "+&f" (val5), [val6] "+&f" (val6),
612  [val9] "+&f" (val9), [val10] "+&f" (val10),
613  [val13] "+&f" (val13), [val14] "+&f" (val14)
614  : [f1]"f"(f1)
615  );
616 
617  __asm__ volatile (
618  "sub.s %[fTmp2], %[val17], %[val18] \n\t"
619  "add.s %[val17], %[val17], %[val18] \n\t"
620  "sub.s %[fTmp3], %[val22], %[val21] \n\t"
621  "add.s %[val21], %[val22], %[val21] \n\t"
622  "sub.s %[fTmp4], %[val25], %[val26] \n\t"
623  "mul.s %[val18], %[f1], %[fTmp2] \n\t"
624  "add.s %[val25], %[val25], %[val26] \n\t"
625  "mul.s %[val22], %[f1], %[fTmp3] \n\t"
626  "sub.s %[fTmp2], %[val30], %[val29] \n\t"
627  "mul.s %[val26], %[f1], %[fTmp4] \n\t"
628  "add.s %[val29], %[val30], %[val29] \n\t"
629  "mul.s %[val30], %[f1], %[fTmp2] \n\t"
630 
631  : [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),
632  [val17] "+&f" (val17), [val18] "+&f" (val18), [val21] "+&f" (val21),
633  [val22] "+&f" (val22), [val25] "+&f" (val25), [val26] "+&f" (val26),
634  [val29] "+&f" (val29), [val30] "+&f" (val30)
635  : [f1] "f" (f1)
636  );
637 
638  f1 = 0.70710678118654752439;
639  __asm__ volatile (
640  "sub.s %[fTmp2], %[val0], %[val1] \n\t"
641  "add.s %[val0], %[val0], %[val1] \n\t"
642  "sub.s %[fTmp3], %[val3], %[val2] \n\t"
643  "add.s %[val2], %[val3], %[val2] \n\t"
644  "sub.s %[fTmp4], %[val4], %[val5] \n\t"
645  "mul.s %[val1], %[f1], %[fTmp2] \n\t"
646  "swc1 %[val0], 0(%[out]) \n\t"
647  "mul.s %[val3], %[fTmp3], %[f1] \n\t"
648  "add.s %[val4], %[val4], %[val5] \n\t"
649  "mul.s %[val5], %[f1], %[fTmp4] \n\t"
650  "swc1 %[val1], 16*4(%[out]) \n\t"
651  "sub.s %[fTmp2], %[val7], %[val6] \n\t"
652  "add.s %[val2], %[val2], %[val3] \n\t"
653  "swc1 %[val3], 24*4(%[out]) \n\t"
654  "add.s %[val6], %[val7], %[val6] \n\t"
655  "mul.s %[val7], %[f1], %[fTmp2] \n\t"
656  "swc1 %[val2], 8*4(%[out]) \n\t"
657  "add.s %[val6], %[val6], %[val7] \n\t"
658  "swc1 %[val7], 28*4(%[out]) \n\t"
659  "add.s %[val4], %[val4], %[val6] \n\t"
660  "add.s %[val6], %[val6], %[val5] \n\t"
661  "add.s %[val5], %[val5], %[val7] \n\t"
662  "swc1 %[val4], 4*4(%[out]) \n\t"
663  "swc1 %[val5], 20*4(%[out]) \n\t"
664  "swc1 %[val6], 12*4(%[out]) \n\t"
665 
666  : [fTmp2] "=&f" (fTmp2),
667  [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),
668  [val0] "+&f" (val0), [val1] "+&f" (val1),
669  [val2] "+&f" (val2), [val3] "+&f" (val3),
670  [val4] "+&f" (val4), [val5] "+&f" (val5),
671  [val6] "+&f" (val6), [val7] "+&f" (val7)
672  : [out] "r" (out), [f1]"f"(f1)
673  );
674 
675  __asm__ volatile (
676  "sub.s %[fTmp2], %[val8], %[val9] \n\t"
677  "add.s %[val8], %[val8], %[val9] \n\t"
678  "sub.s %[fTmp3], %[val11], %[val10] \n\t"
679  "add.s %[val10], %[val11], %[val10] \n\t"
680  "sub.s %[fTmp4], %[val12], %[val13] \n\t"
681  "mul.s %[val9], %[f1], %[fTmp2] \n\t"
682  "add.s %[val12], %[val12], %[val13] \n\t"
683  "mul.s %[val11], %[f1], %[fTmp3] \n\t"
684  "sub.s %[fTmp2], %[val15], %[val14] \n\t"
685  "mul.s %[val13], %[f1], %[fTmp4] \n\t"
686  "add.s %[val14], %[val15], %[val14] \n\t"
687  "add.s %[val10], %[val10], %[val11] \n\t"
688  "mul.s %[val15], %[f1], %[fTmp2] \n\t"
689  "add.s %[val14], %[val14], %[val15] \n\t"
690  "add.s %[val12], %[val12], %[val14] \n\t"
691  "add.s %[val14], %[val14], %[val13] \n\t"
692  "add.s %[val13], %[val13], %[val15] \n\t"
693  "add.s %[val8], %[val8], %[val12] \n\t"
694  "add.s %[val12], %[val12], %[val10] \n\t"
695  "add.s %[val10], %[val10], %[val14] \n\t"
696  "add.s %[val14], %[val14], %[val9] \n\t"
697  "add.s %[val9], %[val9], %[val13] \n\t"
698  "add.s %[val13], %[val13], %[val11] \n\t"
699  "add.s %[val11], %[val11], %[val15] \n\t"
700  "swc1 %[val8], 2*4(%[out]) \n\t"
701  "swc1 %[val9], 18*4(%[out]) \n\t"
702  "swc1 %[val10], 10*4(%[out]) \n\t"
703  "swc1 %[val11], 26*4(%[out]) \n\t"
704  "swc1 %[val12], 6*4(%[out]) \n\t"
705  "swc1 %[val13], 22*4(%[out]) \n\t"
706  "swc1 %[val14], 14*4(%[out]) \n\t"
707  "swc1 %[val15], 30*4(%[out]) \n\t"
708 
709  : [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),
710  [val8] "+&f" (val8), [val9] "+&f" (val9), [val10] "+&f" (val10),
711  [val11] "+&f" (val11), [val12] "+&f" (val12), [val13] "+&f" (val13),
712  [val14] "+&f" (val14), [val15] "+&f" (val15)
713  : [f1] "f" (f1), [out] "r" (out)
714  );
715 
716  __asm__ volatile (
717  "sub.s %[fTmp2], %[val16], %[val17] \n\t"
718  "add.s %[val16], %[val16], %[val17] \n\t"
719  "sub.s %[fTmp3], %[val19], %[val18] \n\t"
720  "add.s %[val18], %[val19], %[val18] \n\t"
721  "sub.s %[fTmp4], %[val20], %[val21] \n\t"
722  "mul.s %[val17], %[f1], %[fTmp2] \n\t"
723  "add.s %[val20], %[val20], %[val21] \n\t"
724  "mul.s %[val19], %[f1], %[fTmp3] \n\t"
725  "sub.s %[fTmp2], %[val23], %[val22] \n\t"
726  "mul.s %[val21], %[f1], %[fTmp4] \n\t"
727  "add.s %[val22], %[val23], %[val22] \n\t"
728  "add.s %[val18], %[val18], %[val19] \n\t"
729  "mul.s %[val23], %[f1], %[fTmp2] \n\t"
730  "add.s %[val22], %[val22], %[val23] \n\t"
731  "add.s %[val20], %[val20], %[val22] \n\t"
732  "add.s %[val22], %[val22], %[val21] \n\t"
733  "add.s %[val21], %[val21], %[val23] \n\t"
734 
735  : [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),
736  [val16] "+&f" (val16), [val17] "+&f" (val17), [val18] "+&f" (val18),
737  [val19] "+&f" (val19), [val20] "+&f" (val20), [val21] "+&f" (val21),
738  [val22] "+&f" (val22), [val23] "+&f" (val23)
739  : [f1] "f" (f1)
740  );
741 
742  __asm__ volatile (
743  "sub.s %[fTmp2], %[val24], %[val25] \n\t"
744  "add.s %[val24], %[val24], %[val25] \n\t"
745  "sub.s %[fTmp3], %[val27], %[val26] \n\t"
746  "add.s %[val26], %[val27], %[val26] \n\t"
747  "sub.s %[fTmp4], %[val28], %[val29] \n\t"
748  "mul.s %[val25], %[f1], %[fTmp2] \n\t"
749  "add.s %[val28], %[val28], %[val29] \n\t"
750  "mul.s %[val27], %[f1], %[fTmp3] \n\t"
751  "sub.s %[fTmp2], %[val31], %[val30] \n\t"
752  "mul.s %[val29], %[f1], %[fTmp4] \n\t"
753  "add.s %[val30], %[val31], %[val30] \n\t"
754  "add.s %[val26], %[val26], %[val27] \n\t"
755  "mul.s %[val31], %[f1], %[fTmp2] \n\t"
756  "add.s %[val30], %[val30], %[val31] \n\t"
757  "add.s %[val28], %[val28], %[val30] \n\t"
758  "add.s %[val30], %[val30], %[val29] \n\t"
759  "add.s %[val29], %[val29], %[val31] \n\t"
760  "add.s %[val24], %[val24], %[val28] \n\t"
761  "add.s %[val28], %[val28], %[val26] \n\t"
762  "add.s %[val26], %[val26], %[val30] \n\t"
763  "add.s %[val30], %[val30], %[val25] \n\t"
764  "add.s %[val25], %[val25], %[val29] \n\t"
765  "add.s %[val29], %[val29], %[val27] \n\t"
766  "add.s %[val27], %[val27], %[val31] \n\t"
767 
768  : [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),
769  [val24] "+&f" (val24), [val25] "+&f" (val25), [val26] "+&f" (val26),
770  [val27] "+&f" (val27), [val28] "+&f" (val28), [val29] "+&f" (val29),
771  [val30] "+&f" (val30), [val31] "+&f" (val31)
772  : [f1] "f" (f1)
773  );
774 
775  out[ 1] = val16 + val24;
776  out[17] = val17 + val25;
777  out[ 9] = val18 + val26;
778  out[25] = val19 + val27;
779  out[ 5] = val20 + val28;
780  out[21] = val21 + val29;
781  out[13] = val22 + val30;
782  out[29] = val23 + val31;
783  out[ 3] = val24 + val20;
784  out[19] = val25 + val21;
785  out[11] = val26 + val22;
786  out[27] = val27 + val23;
787  out[ 7] = val28 + val18;
788  out[23] = val29 + val19;
789  out[15] = val30 + val17;
790  out[31] = val31;
791 }
792 
793 static void imdct36_mips_float(float *out, float *buf, float *in, float *win)
794 {
795  float t0, t1, t2, t3, s0, s1, s2, s3;
796  float tmp[18];
797  /* temporary variables */
798  float in1, in2, in3, in4, in5, in6;
799  float out1, out2, out3, out4, out5;
800  float f1, f2, f3, f4, f5, f6, f7, f8, f9;
801 
802  /**
803  * all loops are unrolled totally, and instructions are scheduled to
804  * minimize pipeline stall. instructions of the first two loops are
805  * reorganized, in order to eliminate unnecessary readings and
806  * writings into array. values defined in macros and tables are
807  * eliminated - they are directly loaded in appropriate variables
808  */
809 
810  /* loop 1 and 2 */
811  __asm__ volatile (
812  "lwc1 %[in1], 17*4(%[in]) \t\n"
813  "lwc1 %[in2], 16*4(%[in]) \t\n"
814  "lwc1 %[in3], 15*4(%[in]) \t\n"
815  "lwc1 %[in4], 14*4(%[in]) \t\n"
816  "lwc1 %[in5], 13*4(%[in]) \t\n"
817  "lwc1 %[in6], 12*4(%[in]) \t\n"
818  "add.s %[out1], %[in1], %[in2] \t\n"
819  "add.s %[out2], %[in2], %[in3] \t\n"
820  "add.s %[out3], %[in3], %[in4] \t\n"
821  "add.s %[out4], %[in4], %[in5] \t\n"
822  "add.s %[out5], %[in5], %[in6] \t\n"
823  "lwc1 %[in1], 11*4(%[in]) \t\n"
824  "swc1 %[out2], 16*4(%[in]) \t\n"
825  "add.s %[out1], %[out1], %[out3] \t\n"
826  "swc1 %[out4], 14*4(%[in]) \t\n"
827  "add.s %[out3], %[out3], %[out5] \t\n"
828  "lwc1 %[in2], 10*4(%[in]) \t\n"
829  "lwc1 %[in3], 9*4(%[in]) \t\n"
830  "swc1 %[out1], 17*4(%[in]) \t\n"
831  "lwc1 %[in4], 8*4(%[in]) \t\n"
832  "swc1 %[out3], 15*4(%[in]) \t\n"
833  "add.s %[out1], %[in6], %[in1] \t\n"
834  "add.s %[out2], %[in1], %[in2] \t\n"
835  "add.s %[out3], %[in2], %[in3] \t\n"
836  "add.s %[out4], %[in3], %[in4] \t\n"
837  "lwc1 %[in5], 7*4(%[in]) \t\n"
838  "swc1 %[out1], 12*4(%[in]) \t\n"
839  "add.s %[out5], %[out5], %[out2] \t\n"
840  "swc1 %[out3], 10*4(%[in]) \t\n"
841  "add.s %[out2], %[out2], %[out4] \t\n"
842  "lwc1 %[in6], 6*4(%[in]) \t\n"
843  "lwc1 %[in1], 5*4(%[in]) \t\n"
844  "swc1 %[out5], 13*4(%[in]) \t\n"
845  "lwc1 %[in2], 4*4(%[in]) \t\n"
846  "swc1 %[out2], 11*4(%[in]) \t\n"
847  "add.s %[out5], %[in4], %[in5] \t\n"
848  "add.s %[out1], %[in5], %[in6] \t\n"
849  "add.s %[out2], %[in6], %[in1] \t\n"
850  "add.s %[out3], %[in1], %[in2] \t\n"
851  "lwc1 %[in3], 3*4(%[in]) \t\n"
852  "swc1 %[out5], 8*4(%[in]) \t\n"
853  "add.s %[out4], %[out4], %[out1] \t\n"
854  "swc1 %[out2], 6*4(%[in]) \t\n"
855  "add.s %[out1], %[out1], %[out3] \t\n"
856  "lwc1 %[in4], 2*4(%[in]) \t\n"
857  "lwc1 %[in5], 1*4(%[in]) \t\n"
858  "swc1 %[out4], 9*4(%[in]) \t\n"
859  "lwc1 %[in6], 0(%[in]) \t\n"
860  "swc1 %[out1], 7*4(%[in]) \t\n"
861  "add.s %[out4], %[in2], %[in3] \t\n"
862  "add.s %[out5], %[in3], %[in4] \t\n"
863  "add.s %[out1], %[in4], %[in5] \t\n"
864  "add.s %[out2], %[in5], %[in6] \t\n"
865  "swc1 %[out4], 4*4(%[in]) \t\n"
866  "add.s %[out3], %[out3], %[out5] \t\n"
867  "swc1 %[out1], 2*4(%[in]) \t\n"
868  "add.s %[out5], %[out5], %[out2] \t\n"
869  "swc1 %[out2], 1*4(%[in]) \t\n"
870  "swc1 %[out3], 5*4(%[in]) \t\n"
871  "swc1 %[out5], 3*4(%[in]) \t\n"
872 
873  : [in1] "=&f" (in1), [in2] "=&f" (in2),
874  [in3] "=&f" (in3), [in4] "=&f" (in4),
875  [in5] "=&f" (in5), [in6] "=&f" (in6),
876  [out1] "=&f" (out1), [out2] "=&f" (out2),
877  [out3] "=&f" (out3), [out4] "=&f" (out4),
878  [out5] "=&f" (out5)
879  : [in] "r" (in)
880  : "memory"
881  );
882 
883  /* loop 3 */
884  f1 = 0.5;
885  f2 = 0.93969262078590838405;
886  f3 = -0.76604444311897803520;
887  f4 = -0.17364817766693034885;
888  f5 = -0.86602540378443864676;
889  f6 = 0.98480775301220805936;
890  f7 = -0.34202014332566873304;
891  f8 = 0.86602540378443864676;
892  f9 = -0.64278760968653932632;
893  __asm__ volatile (
894  "lwc1 %[in1], 8*4(%[in]) \t\n"
895  "lwc1 %[in2], 16*4(%[in]) \t\n"
896  "lwc1 %[in3], 4*4(%[in]) \t\n"
897  "lwc1 %[in4], 0(%[in]) \t\n"
898  "lwc1 %[in5], 12*4(%[in]) \t\n"
899  "add.s %[t2], %[in1], %[in2] \t\n"
900  "add.s %[t0], %[in1], %[in3] \t\n"
901  "madd.s %[t3], %[in4], %[in5], %[f1] \t\n"
902  "sub.s %[t1], %[in4], %[in5] \t\n"
903  "sub.s %[t2], %[t2], %[in3] \t\n"
904  "mul.s %[t0], %[t0], %[f2] \t\n"
905  "nmsub.s %[out1], %[t1], %[t2], %[f1] \t\n"
906  "add.s %[out2], %[t1], %[t2] \t\n"
907  "add.s %[t2], %[in2], %[in3] \t\n"
908  "sub.s %[t1], %[in1], %[in2] \t\n"
909  "sub.s %[out3], %[t3], %[t0] \t\n"
910  "swc1 %[out1], 6*4(%[tmp]) \t\n"
911  "swc1 %[out2], 16*4(%[tmp]) \t\n"
912  "mul.s %[t2], %[t2], %[f3] \t\n"
913  "mul.s %[t1], %[t1], %[f4] \t\n"
914  "add.s %[out1], %[t3], %[t0] \t\n"
915  "lwc1 %[in1], 10*4(%[in]) \t\n"
916  "lwc1 %[in2], 14*4(%[in]) \t\n"
917  "sub.s %[out3], %[out3], %[t2] \t\n"
918  "add.s %[out2], %[t3], %[t2] \t\n"
919  "add.s %[out1], %[out1], %[t1] \t\n"
920  "lwc1 %[in3], 2*4(%[in]) \t\n"
921  "lwc1 %[in4], 6*4(%[in]) \t\n"
922  "swc1 %[out3], 10*4(%[tmp]) \t\n"
923  "sub.s %[out2], %[out2], %[t1] \t\n"
924  "swc1 %[out1], 2*4(%[tmp]) \t\n"
925  "add.s %[out1], %[in1], %[in2] \t\n"
926  "add.s %[t2], %[in1], %[in3] \t\n"
927  "sub.s %[t3], %[in1], %[in2] \t\n"
928  "swc1 %[out2], 14*4(%[tmp]) \t\n"
929  "sub.s %[out1], %[out1], %[in3] \t\n"
930  "mul.s %[t2], %[t2], %[f6] \t\n"
931  "mul.s %[t3], %[t3], %[f7] \t\n"
932  "mul.s %[t0], %[in4], %[f8] \t\n"
933  "mul.s %[out1], %[out1], %[f5] \t\n"
934  "add.s %[t1], %[in2], %[in3] \t\n"
935  "add.s %[out2], %[t2], %[t3] \t\n"
936  "lwc1 %[in1], 9*4(%[in]) \t\n"
937  "swc1 %[out1], 4*4(%[tmp]) \t\n"
938  "mul.s %[t1], %[t1], %[f9] \t\n"
939  "lwc1 %[in2], 17*4(%[in]) \t\n"
940  "add.s %[out2], %[out2], %[t0] \t\n"
941  "lwc1 %[in3], 5*4(%[in]) \t\n"
942  "lwc1 %[in4], 1*4(%[in]) \t\n"
943  "add.s %[out3], %[t2], %[t1] \t\n"
944  "sub.s %[out1], %[t3], %[t1] \t\n"
945  "swc1 %[out2], 0(%[tmp]) \t\n"
946  "lwc1 %[in5], 13*4(%[in]) \t\n"
947  "add.s %[t2], %[in1], %[in2] \t\n"
948  "sub.s %[out3], %[out3], %[t0] \t\n"
949  "sub.s %[out1], %[out1], %[t0] \t\n"
950  "add.s %[t0], %[in1], %[in3] \t\n"
951  "madd.s %[t3], %[in4], %[in5], %[f1] \t\n"
952  "sub.s %[t2], %[t2], %[in3] \t\n"
953  "swc1 %[out3], 12*4(%[tmp]) \t\n"
954  "swc1 %[out1], 8*4(%[tmp]) \t\n"
955  "sub.s %[t1], %[in4], %[in5] \t\n"
956  "mul.s %[t0], %[t0], %[f2] \t\n"
957  "nmsub.s %[out1], %[t1], %[t2], %[f1] \t\n"
958  "add.s %[out2], %[t1], %[t2] \t\n"
959  "add.s %[t2], %[in2], %[in3] \t\n"
960  "sub.s %[t1], %[in1], %[in2] \t\n"
961  "sub.s %[out3], %[t3], %[t0] \t\n"
962  "swc1 %[out1], 7*4(%[tmp]) \t\n"
963  "swc1 %[out2], 17*4(%[tmp]) \t\n"
964  "mul.s %[t2], %[t2], %[f3] \t\n"
965  "mul.s %[t1], %[t1], %[f4] \t\n"
966  "add.s %[out1], %[t3], %[t0] \t\n"
967  "lwc1 %[in1], 11*4(%[in]) \t\n"
968  "lwc1 %[in2], 15*4(%[in]) \t\n"
969  "sub.s %[out3], %[out3], %[t2] \t\n"
970  "add.s %[out2], %[t3], %[t2] \t\n"
971  "add.s %[out1], %[out1], %[t1] \t\n"
972  "lwc1 %[in3], 3*4(%[in]) \t\n"
973  "lwc1 %[in4], 7*4(%[in]) \t\n"
974  "swc1 %[out3], 11*4(%[tmp]) \t\n"
975  "sub.s %[out2], %[out2], %[t1] \t\n"
976  "swc1 %[out1], 3*4(%[tmp]) \t\n"
977  "add.s %[out3], %[in1], %[in2] \t\n"
978  "add.s %[t2], %[in1], %[in3] \t\n"
979  "sub.s %[t3], %[in1], %[in2] \t\n"
980  "swc1 %[out2], 15*4(%[tmp]) \t\n"
981  "mul.s %[t0], %[in4], %[f8] \t\n"
982  "sub.s %[out3], %[out3], %[in3] \t\n"
983  "mul.s %[t2], %[t2], %[f6] \t\n"
984  "mul.s %[t3], %[t3], %[f7] \t\n"
985  "add.s %[t1], %[in2], %[in3] \t\n"
986  "mul.s %[out3], %[out3], %[f5] \t\n"
987  "add.s %[out1], %[t2], %[t3] \t\n"
988  "mul.s %[t1], %[t1], %[f9] \t\n"
989  "swc1 %[out3], 5*4(%[tmp]) \t\n"
990  "add.s %[out1], %[out1], %[t0] \t\n"
991  "add.s %[out2], %[t2], %[t1] \t\n"
992  "sub.s %[out3], %[t3], %[t1] \t\n"
993  "swc1 %[out1], 1*4(%[tmp]) \t\n"
994  "sub.s %[out2], %[out2], %[t0] \t\n"
995  "sub.s %[out3], %[out3], %[t0] \t\n"
996  "swc1 %[out2], 13*4(%[tmp]) \t\n"
997  "swc1 %[out3], 9*4(%[tmp]) \t\n"
998 
999  : [t0] "=&f" (t0), [t1] "=&f" (t1),
1000  [t2] "=&f" (t2), [t3] "=&f" (t3),
1001  [in1] "=&f" (in1), [in2] "=&f" (in2),
1002  [in3] "=&f" (in3), [in4] "=&f" (in4),
1003  [in5] "=&f" (in5), [out1] "=&f" (out1),
1004  [out2] "=&f" (out2), [out3] "=&f" (out3)
1005  : [in] "r" (in), [tmp] "r" (tmp), [f1]"f"(f1), [f2]"f"(f2),
1006  [f3]"f"(f3), [f4]"f"(f4), [f5]"f"(f5), [f6]"f"(f6),
1007  [f7]"f"(f7), [f8]"f"(f8), [f9]"f"(f9)
1008  : "memory"
1009  );
1010 
1011  /* loop 4 */
1012  f1 = 0.50190991877167369479;
1013  f2 = 5.73685662283492756461;
1014  f3 = 0.51763809020504152469;
1015  f4 = 1.93185165257813657349;
1016  f5 = 0.55168895948124587824;
1017  f6 = 1.18310079157624925896;
1018  f7 = 0.61038729438072803416;
1019  f8 = 0.87172339781054900991;
1020  f9 = 0.70710678118654752439;
1021  __asm__ volatile (
1022  "lwc1 %[in1], 2*4(%[tmp]) \t\n"
1023  "lwc1 %[in2], 0(%[tmp]) \t\n"
1024  "lwc1 %[in3], 3*4(%[tmp]) \t\n"
1025  "lwc1 %[in4], 1*4(%[tmp]) \t\n"
1026  "add.s %[s0], %[in1], %[in2] \t\n"
1027  "sub.s %[s2], %[in1], %[in2] \t\n"
1028  "add.s %[s1], %[in3], %[in4] \t\n"
1029  "sub.s %[s3], %[in3], %[in4] \t\n"
1030  "lwc1 %[in1], 9*4(%[win]) \t\n"
1031  "lwc1 %[in2], 4*9*4(%[buf]) \t\n"
1032  "lwc1 %[in3], 8*4(%[win]) \t\n"
1033  "mul.s %[s1], %[s1], %[f1] \t\n"
1034  "mul.s %[s3], %[s3], %[f2] \t\n"
1035  "lwc1 %[in4], 4*8*4(%[buf]) \t\n"
1036  "lwc1 %[in5], 29*4(%[win]) \t\n"
1037  "lwc1 %[in6], 28*4(%[win]) \t\n"
1038  "add.s %[t0], %[s0], %[s1] \t\n"
1039  "sub.s %[t1], %[s0], %[s1] \t\n"
1040  "mul.s %[out3], %[in5], %[t0] \t\n"
1041  "madd.s %[out1], %[in2], %[in1], %[t1] \t\n"
1042  "madd.s %[out2], %[in4], %[in3], %[t1] \t\n"
1043  "mul.s %[out4], %[in6], %[t0] \t\n"
1044  "add.s %[t0], %[s2], %[s3] \t\n"
1045  "swc1 %[out3], 4*9*4(%[buf]) \t\n"
1046  "swc1 %[out1], 288*4(%[out]) \t\n"
1047  "swc1 %[out2], 256*4(%[out]) \t\n"
1048  "swc1 %[out4], 4*8*4(%[buf]) \t\n"
1049  "sub.s %[t1], %[s2], %[s3] \t\n"
1050  "lwc1 %[in1], 17*4(%[win]) \t\n"
1051  "lwc1 %[in2], 4*17*4(%[buf]) \t\n"
1052  "lwc1 %[in3], 0(%[win]) \t\n"
1053  "lwc1 %[in4], 0(%[buf]) \t\n"
1054  "lwc1 %[in5], 37*4(%[win]) \t\n"
1055  "lwc1 %[in6], 20*4(%[win]) \t\n"
1056  "madd.s %[out1], %[in2], %[in1], %[t1] \t\n"
1057  "lwc1 %[in1], 6*4(%[tmp]) \t\n"
1058  "madd.s %[out2], %[in4], %[in3], %[t1] \t\n"
1059  "mul.s %[out3], %[t0], %[in5] \t\n"
1060  "mul.s %[out4], %[t0], %[in6] \t\n"
1061  "swc1 %[out1], 544*4(%[out]) \t\n"
1062  "lwc1 %[in2], 4*4(%[tmp]) \t\n"
1063  "swc1 %[out2], 0(%[out]) \t\n"
1064  "swc1 %[out3], 4*17*4(%[buf]) \t\n"
1065  "swc1 %[out4], 0(%[buf]) \t\n"
1066  "lwc1 %[in3], 7*4(%[tmp]) \t\n"
1067  "add.s %[s0], %[in1], %[in2] \t\n"
1068  "sub.s %[s2], %[in1], %[in2] \t\n"
1069  "lwc1 %[in4], 5*4(%[tmp]) \t\n"
1070  "add.s %[s1], %[in3], %[in4] \t\n"
1071  "sub.s %[s3], %[in3], %[in4] \t\n"
1072  "lwc1 %[in1], 10*4(%[win]) \t\n"
1073  "lwc1 %[in2], 4*10*4(%[buf]) \t\n"
1074  "lwc1 %[in3], 7*4(%[win]) \t\n"
1075  "mul.s %[s1], %[s1], %[f3] \t\n"
1076  "mul.s %[s3], %[s3], %[f4] \t\n"
1077  "add.s %[t0], %[s0], %[s1] \t\n"
1078  "sub.s %[t1], %[s0], %[s1] \t\n"
1079  "lwc1 %[in4], 4*7*4(%[buf]) \t\n"
1080  "lwc1 %[in5], 30*4(%[win]) \t\n"
1081  "lwc1 %[in6], 27*4(%[win]) \t\n"
1082  "madd.s %[out1], %[in2], %[in1], %[t1] \t\n"
1083  "madd.s %[out2], %[in4], %[in3], %[t1] \t\n"
1084  "mul.s %[out3], %[t0], %[in5] \t\n"
1085  "mul.s %[out4], %[t0], %[in6] \t\n"
1086  "add.s %[t0], %[s2], %[s3] \t\n"
1087  "swc1 %[out1], 320*4(%[out]) \t\n"
1088  "swc1 %[out2], 224*4(%[out]) \t\n"
1089  "swc1 %[out3], 4*10*4(%[buf]) \t\n"
1090  "swc1 %[out4], 4*7*4(%[buf]) \t\n"
1091  "sub.s %[t1], %[s2], %[s3] \t\n"
1092  "lwc1 %[in1], 16*4(%[win]) \t\n"
1093  "lwc1 %[in2], 4*16*4(%[buf]) \t\n"
1094  "lwc1 %[in3], 1*4(%[win]) \t\n"
1095  "lwc1 %[in4], 4*1*4(%[buf]) \t\n"
1096  "lwc1 %[in5], 36*4(%[win]) \t\n"
1097  "lwc1 %[in6], 21*4(%[win]) \t\n"
1098  "madd.s %[out1], %[in2], %[in1], %[t1] \t\n"
1099  "lwc1 %[in1], 10*4(%[tmp]) \t\n"
1100  "madd.s %[out2], %[in4], %[in3], %[t1] \t\n"
1101  "mul.s %[out3], %[in5], %[t0] \t\n"
1102  "mul.s %[out4], %[in6], %[t0] \t\n"
1103  "swc1 %[out1], 512*4(%[out]) \t\n"
1104  "lwc1 %[in2], 8*4(%[tmp]) \t\n"
1105  "swc1 %[out2], 32*4(%[out]) \t\n"
1106  "swc1 %[out3], 4*16*4(%[buf]) \t\n"
1107  "swc1 %[out4], 4*1*4(%[buf]) \t\n"
1108  "add.s %[s0], %[in1], %[in2] \t\n"
1109  "sub.s %[s2], %[in1], %[in2] \t\n"
1110  "lwc1 %[in3], 11*4(%[tmp]) \t\n"
1111  "lwc1 %[in4], 9*4(%[tmp]) \t\n"
1112  "add.s %[s1], %[in3], %[in4] \t\n"
1113  "sub.s %[s3], %[in3], %[in4] \t\n"
1114  "lwc1 %[in1], 11*4(%[win]) \t\n"
1115  "lwc1 %[in2], 4*11*4(%[buf]) \t\n"
1116  "lwc1 %[in3], 6*4(%[win]) \t\n"
1117  "mul.s %[s1], %[s1], %[f5] \t\n"
1118  "mul.s %[s3], %[s3], %[f6] \t\n"
1119  "lwc1 %[in4], 4*6*4(%[buf]) \t\n"
1120  "lwc1 %[in5], 31*4(%[win]) \t\n"
1121  "lwc1 %[in6], 26*4(%[win]) \t\n"
1122  "add.s %[t0], %[s0], %[s1] \t\n"
1123  "sub.s %[t1], %[s0], %[s1] \t\n"
1124  "mul.s %[out3], %[t0], %[in5] \t\n"
1125  "mul.s %[out4], %[t0], %[in6] \t\n"
1126  "add.s %[t0], %[s2], %[s3] \t\n"
1127  "madd.s %[out1], %[in2], %[in1], %[t1] \t\n"
1128  "madd.s %[out2], %[in4], %[in3], %[t1] \t\n"
1129  "swc1 %[out3], 4*11*4(%[buf]) \t\n"
1130  "swc1 %[out4], 4*6*4(%[buf]) \t\n"
1131  "sub.s %[t1], %[s2], %[s3] \t\n"
1132  "swc1 %[out1], 352*4(%[out]) \t\n"
1133  "swc1 %[out2], 192*4(%[out]) \t\n"
1134  "lwc1 %[in1], 15*4(%[win]) \t\n"
1135  "lwc1 %[in2], 4*15*4(%[buf]) \t\n"
1136  "lwc1 %[in3], 2*4(%[win]) \t\n"
1137  "lwc1 %[in4], 4*2*4(%[buf]) \t\n"
1138  "lwc1 %[in5], 35*4(%[win]) \t\n"
1139  "lwc1 %[in6], 22*4(%[win]) \t\n"
1140  "madd.s %[out1], %[in2], %[in1], %[t1] \t\n"
1141  "lwc1 %[in1], 14*4(%[tmp]) \t\n"
1142  "madd.s %[out2], %[in4], %[in3], %[t1] \t\n"
1143  "mul.s %[out3], %[t0], %[in5] \t\n"
1144  "mul.s %[out4], %[t0], %[in6] \t\n"
1145  "swc1 %[out1], 480*4(%[out]) \t\n"
1146  "lwc1 %[in2], 12*4(%[tmp]) \t\n"
1147  "swc1 %[out2], 64*4(%[out]) \t\n"
1148  "swc1 %[out3], 4*15*4(%[buf]) \t\n"
1149  "swc1 %[out4], 4*2*4(%[buf]) \t\n"
1150  "lwc1 %[in3], 15*4(%[tmp]) \t\n"
1151  "add.s %[s0], %[in1], %[in2] \t\n"
1152  "sub.s %[s2], %[in1], %[in2] \t\n"
1153  "lwc1 %[in4], 13*4(%[tmp]) \t\n"
1154  "add.s %[s1], %[in3], %[in4] \t\n"
1155  "sub.s %[s3], %[in3], %[in4] \t\n"
1156  "lwc1 %[in1], 12*4(%[win]) \t\n"
1157  "lwc1 %[in2], 4*12*4(%[buf]) \t\n"
1158  "lwc1 %[in3], 5*4(%[win]) \t\n"
1159  "mul.s %[s1], %[s1], %[f7] \t\n"
1160  "mul.s %[s3], %[s3], %[f8] \t\n"
1161  "lwc1 %[in4], 4*5*4(%[buf]) \t\n"
1162  "lwc1 %[in5], 32*4(%[win]) \t\n"
1163  "lwc1 %[in6], 25*4(%[win]) \t\n"
1164  "add.s %[t0], %[s0], %[s1] \t\n"
1165  "sub.s %[t1], %[s0], %[s1] \t\n"
1166  "lwc1 %[s0], 16*4(%[tmp]) \t\n"
1167  "lwc1 %[s1], 17*4(%[tmp]) \t\n"
1168  "mul.s %[out3], %[t0], %[in5] \t\n"
1169  "madd.s %[out1], %[in2], %[in1], %[t1] \t\n"
1170  "madd.s %[out2], %[in4], %[in3], %[t1] \t\n"
1171  "mul.s %[out4], %[t0], %[in6] \t\n"
1172  "add.s %[t0], %[s2], %[s3] \t\n"
1173  "swc1 %[out3], 4*12*4(%[buf]) \t\n"
1174  "swc1 %[out1], 384*4(%[out]) \t\n"
1175  "swc1 %[out2], 160*4(%[out]) \t\n"
1176  "swc1 %[out4], 4*5*4(%[buf]) \t\n"
1177  "sub.s %[t1], %[s2], %[s3] \t\n"
1178  "lwc1 %[in1], 14*4(%[win]) \t\n"
1179  "lwc1 %[in2], 4*14*4(%[buf]) \t\n"
1180  "lwc1 %[in3], 3*4(%[win]) \t\n"
1181  "lwc1 %[in4], 4*3*4(%[buf]) \t\n"
1182  "lwc1 %[in5], 34*4(%[win]) \t\n"
1183  "lwc1 %[in6], 23*4(%[win]) \t\n"
1184  "madd.s %[out1], %[in2], %[in1], %[t1] \t\n"
1185  "mul.s %[s1], %[s1], %[f9] \t\n"
1186  "madd.s %[out2], %[in4], %[in3], %[t1] \t\n"
1187  "mul.s %[out3], %[in5], %[t0] \t\n"
1188  "mul.s %[out4], %[in6], %[t0] \t\n"
1189  "swc1 %[out1], 448*4(%[out]) \t\n"
1190  "add.s %[t0], %[s0], %[s1] \t\n"
1191  "swc1 %[out2], 96*4(%[out]) \t\n"
1192  "swc1 %[out3], 4*14*4(%[buf]) \t\n"
1193  "swc1 %[out4], 4*3*4(%[buf]) \t\n"
1194  "sub.s %[t1], %[s0], %[s1] \t\n"
1195  "lwc1 %[in1], 13*4(%[win]) \t\n"
1196  "lwc1 %[in2], 4*13*4(%[buf]) \t\n"
1197  "lwc1 %[in3], 4*4(%[win]) \t\n"
1198  "lwc1 %[in4], 4*4*4(%[buf]) \t\n"
1199  "lwc1 %[in5], 33*4(%[win]) \t\n"
1200  "lwc1 %[in6], 24*4(%[win]) \t\n"
1201  "madd.s %[out1], %[in2], %[in1], %[t1] \t\n"
1202  "madd.s %[out2], %[in4], %[in3], %[t1] \t\n"
1203  "mul.s %[out3], %[t0], %[in5] \t\n"
1204  "mul.s %[out4], %[t0], %[in6] \t\n"
1205  "swc1 %[out1], 416*4(%[out]) \t\n"
1206  "swc1 %[out2], 128*4(%[out]) \t\n"
1207  "swc1 %[out3], 4*13*4(%[buf]) \t\n"
1208  "swc1 %[out4], 4*4*4(%[buf]) \t\n"
1209 
1210  : [in1] "=&f" (in1), [in2] "=&f" (in2),
1211  [in3] "=&f" (in3), [in4] "=&f" (in4),
1212  [in5] "=&f" (in5), [in6] "=&f" (in6),
1213  [out1] "=&f" (out1), [out2] "=&f" (out2),
1214  [out3] "=&f" (out3), [out4] "=&f" (out4),
1215  [t0] "=&f" (t0), [t1] "=&f" (t1),
1216  [s0] "=&f" (s0), [s1] "=&f" (s1),
1217  [s2] "=&f" (s2), [s3] "=&f" (s3)
1218  : [tmp] "r" (tmp), [win] "r" (win),
1219  [buf] "r" (buf), [out] "r" (out),
1220  [f1]"f"(f1), [f2]"f"(f2), [f3]"f"(f3), [f4]"f"(f4),
1221  [f5]"f"(f5), [f6]"f"(f6), [f7]"f"(f7), [f8]"f"(f8), [f9]"f"(f9)
1222  : "memory"
1223  );
1224 }
1225 
1226 static void ff_imdct36_blocks_mips_float(float *out, float *buf, float *in,
1227  int count, int switch_point, int block_type)
1228 {
1229  int j;
1230  for (j=0 ; j < count; j++) {
1231  /* apply window & overlap with previous buffer */
1232 
1233  /* select window */
1234  int win_idx = (switch_point && j < 2) ? 0 : block_type;
1235  float *win = ff_mdct_win_float[win_idx + (4 & -(j & 1))];
1236 
1237  imdct36_mips_float(out, buf, in, win);
1238 
1239  in += 18;
1240  buf += ((j&3) != 3 ? 1 : (72-3));
1241  out++;
1242  }
1243 }
1244 
1245 #endif /* !HAVE_MIPS32R6 && !HAVE_MIPS64R6 */
1246 #endif /* HAVE_INLINE_ASM && HAVE_MIPSFPU */
1247 
1248 void ff_mpadsp_init_mipsfpu(MPADSPContext *s)
1249 {
1250 #if HAVE_INLINE_ASM && HAVE_MIPSFPU
1251 #if !HAVE_MIPS32R6 && !HAVE_MIPS64R6
1252  s->apply_window_float = ff_mpadsp_apply_window_mips_float;
1253  s->imdct36_blocks_float = ff_imdct36_blocks_mips_float;
1254  s->dct32_float = ff_dct32_mips_float;
1255 #endif
1256 #endif
1257 }
out
FILE * out
Definition: movenc.c:54
tmp
static uint8_t tmp[11]
Definition: aes_ctr.c:27
w
uint8_t w
Definition: llviddspenc.c:39
MPADSPContext
Definition: mpegaudiodsp.h:27
t0
#define t0
Definition: regdef.h:28
t1
#define t1
Definition: regdef.h:29
asmdefs.h
win
static float win(SuperEqualizerContext *s, float n, int N)
Definition: af_superequalizer.c:119
window
static SDL_Window * window
Definition: ffplay.c:366
s3
#define s3
Definition: regdef.h:40
tab
static const struct twinvq_data tab
Definition: twinvq_data.h:10345
s
#define s(width, name)
Definition: cbs_vp9.c:257
s1
#define s1
Definition: regdef.h:38
s2
#define s2
Definition: regdef.h:39
PTR_SUBU
#define PTR_SUBU
Definition: asmdefs.h:50
in
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(const int16_t *) pi >> 8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(const int32_t *) pi >> 24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) #define SET_CONV_FUNC_GROUP(ofmt, ifmt) static void set_generic_function(AudioConvert *ac) { } void ff_audio_convert_free(AudioConvert **ac) { if(! *ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);} AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, int sample_rate, int apply_map) { AudioConvert *ac;int in_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) return NULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method !=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt) > 2) { ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc) { av_free(ac);return NULL;} return ac;} in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar) { ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar ? ac->channels :1;} else if(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;else ac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);return ac;} int ff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in) { int use_generic=1;int len=in->nb_samples;int p;if(ac->dc) { av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
Definition: audio_convert.c:326
t3
#define t3
Definition: regdef.h:31
__asm__
__asm__(".macro parse_r var r\n\t" "\\var = -1\n\t" _IFC_REG(0) _IFC_REG(1) _IFC_REG(2) _IFC_REG(3) _IFC_REG(4) _IFC_REG(5) _IFC_REG(6) _IFC_REG(7) _IFC_REG(8) _IFC_REG(9) _IFC_REG(10) _IFC_REG(11) _IFC_REG(12) _IFC_REG(13) _IFC_REG(14) _IFC_REG(15) _IFC_REG(16) _IFC_REG(17) _IFC_REG(18) _IFC_REG(19) _IFC_REG(20) _IFC_REG(21) _IFC_REG(22) _IFC_REG(23) _IFC_REG(24) _IFC_REG(25) _IFC_REG(26) _IFC_REG(27) _IFC_REG(28) _IFC_REG(29) _IFC_REG(30) _IFC_REG(31) ".iflt \\var\n\t" ".error \"Unable to parse register name \\r\"\n\t" ".endif\n\t" ".endm")
PTR_ADDU
#define PTR_ADDU
Definition: asmdefs.h:47
ff_mpadsp_init_mipsfpu
void ff_mpadsp_init_mipsfpu(MPADSPContext *s)
Definition: mpegaudiodsp_mips_float.c:1248
t2
#define t2
Definition: regdef.h:30
PTR_ADDIU
#define PTR_ADDIU
Definition: asmdefs.h:48
samples
Filter the word “frame” indicates either a video frame or a group of audio samples
Definition: filter_design.txt:8
mpegaudiodsp.h
s0
#define s0
Definition: regdef.h:37
ff_mdct_win_float
float ff_mdct_win_float[8][MDCT_BUF_SIZE]
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