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 "config.h"
59 #include "libavutil/mips/asmdefs.h"
61 
62 #if HAVE_INLINE_ASM && HAVE_MIPSFPU
63 #if !HAVE_MIPS32R6 && !HAVE_MIPS64R6
64 
65 static void ff_mpadsp_apply_window_mips_float(float *synth_buf, float *window,
66  int *dither_state, float *samples, ptrdiff_t incr)
67 {
68  register const float *w, *w2, *p;
69  int j;
70  float *samples2;
71  float sum, sum2;
72  /* temporary variables */
73  int incr1 = incr << 2;
74  int t_sample;
75  float in1, in2, in3, in4, in5, in6, in7, in8;
76  float *p2;
77 
78  /* copy to avoid wrap */
79  memcpy(synth_buf + 512, synth_buf, 32 * sizeof(*synth_buf));
80 
81  /**
82  * instructions are scheduled to minimize pipeline stall.
83  * use of round_sample function from the original code is
84  * changed with appropriate assembly instructions.
85  */
86 
87  __asm__ volatile (
88  "lwc1 %[sum], 0(%[dither_state]) \t\n"
89  "sll %[t_sample], %[incr1], 5 \t\n"
90  "sub %[t_sample], %[t_sample], %[incr1] \n\t"
91  "li %[j], 4 \t\n"
92  "lwc1 %[in1], 0(%[window]) \t\n"
93  "lwc1 %[in2], 16*4(%[synth_buf]) \t\n"
94  "sw $zero, 0(%[dither_state]) \t\n"
95  "lwc1 %[in3], 64*4(%[window]) \t\n"
96  "lwc1 %[in4], 80*4(%[synth_buf]) \t\n"
97  PTR_ADDU "%[samples2],%[samples], %[t_sample] \t\n"
98  "madd.s %[sum], %[sum], %[in1], %[in2] \t\n"
99  "lwc1 %[in5], 128*4(%[window]) \t\n"
100  "lwc1 %[in6], 144*4(%[synth_buf]) \t\n"
101  "lwc1 %[in7], 192*4(%[window]) \t\n"
102  "madd.s %[sum], %[sum], %[in3], %[in4] \t\n"
103  "lwc1 %[in8], 208*4(%[synth_buf]) \t\n"
104  "lwc1 %[in1], 256*4(%[window]) \t\n"
105  "lwc1 %[in2], 272*4(%[synth_buf]) \t\n"
106  "madd.s %[sum], %[sum], %[in5], %[in6] \t\n"
107  "lwc1 %[in3], 320*4(%[window]) \t\n"
108  "lwc1 %[in4], 336*4(%[synth_buf]) \t\n"
109  "lwc1 %[in5], 384*4(%[window]) \t\n"
110  "madd.s %[sum], %[sum], %[in7], %[in8] \t\n"
111  "lwc1 %[in6], 400*4(%[synth_buf]) \t\n"
112  "lwc1 %[in7], 448*4(%[window]) \t\n"
113  "lwc1 %[in8], 464*4(%[synth_buf]) \t\n"
114  "madd.s %[sum], %[sum], %[in1], %[in2] \t\n"
115  "lwc1 %[in1], 32*4(%[window]) \t\n"
116  "lwc1 %[in2], 48*4(%[synth_buf]) \t\n"
117  "madd.s %[sum], %[sum], %[in3], %[in4] \t\n"
118  "lwc1 %[in3], 96*4(%[window]) \t\n"
119  "lwc1 %[in4], 112*4(%[synth_buf]) \t\n"
120  "madd.s %[sum], %[sum], %[in5], %[in6] \t\n"
121  "lwc1 %[in5], 160*4(%[window]) \t\n"
122  "lwc1 %[in6], 176*4(%[synth_buf]) \t\n"
123  "madd.s %[sum], %[sum], %[in7], %[in8] \t\n"
124  "lwc1 %[in7], 224*4(%[window]) \t\n"
125  "lwc1 %[in8], 240*4(%[synth_buf]) \t\n"
126  "nmsub.s %[sum], %[sum], %[in1], %[in2] \t\n"
127  "lwc1 %[in1], 288*4(%[window]) \t\n"
128  "lwc1 %[in2], 304*4(%[synth_buf]) \t\n"
129  "nmsub.s %[sum], %[sum], %[in3], %[in4] \t\n"
130  "lwc1 %[in3], 352*4(%[window]) \t\n"
131  "lwc1 %[in4], 368*4(%[synth_buf]) \t\n"
132  "nmsub.s %[sum], %[sum], %[in5], %[in6] \t\n"
133  "lwc1 %[in5], 416*4(%[window]) \t\n"
134  "lwc1 %[in6], 432*4(%[synth_buf]) \t\n"
135  "nmsub.s %[sum], %[sum], %[in7], %[in8] \t\n"
136  "lwc1 %[in7], 480*4(%[window]) \t\n"
137  "lwc1 %[in8], 496*4(%[synth_buf]) \t\n"
138  "nmsub.s %[sum], %[sum], %[in1], %[in2] \t\n"
139  PTR_ADDU "%[w], %[window], 4 \t\n"
140  "nmsub.s %[sum], %[sum], %[in3], %[in4] \t\n"
141  PTR_ADDU "%[w2], %[window], 124 \t\n"
142  PTR_ADDIU "%[p], %[synth_buf], 68 \t\n"
143  PTR_ADDIU "%[p2], %[synth_buf], 188 \t\n"
144  "nmsub.s %[sum], %[sum], %[in5], %[in6] \t\n"
145  "nmsub.s %[sum], %[sum], %[in7], %[in8] \t\n"
146  "swc1 %[sum], 0(%[samples]) \t\n"
147  PTR_ADDU "%[samples], %[samples], %[incr1] \t\n"
148 
149  /* calculate two samples at the same time to avoid one memory
150  access per two sample */
151 
152  "ff_mpadsp_apply_window_loop%=: \t\n"
153  "lwc1 %[in1], 0(%[w]) \t\n"
154  "lwc1 %[in2], 0(%[p]) \t\n"
155  "lwc1 %[in3], 0(%[w2]) \t\n"
156  "lwc1 %[in4], 64*4(%[w]) \t\n"
157  "lwc1 %[in5], 64*4(%[p]) \t\n"
158  "lwc1 %[in6], 64*4(%[w2]) \t\n"
159  "mul.s %[sum], %[in1], %[in2] \t\n"
160  "mul.s %[sum2], %[in2], %[in3] \t\n"
161  "lwc1 %[in1], 128*4(%[w]) \t\n"
162  "lwc1 %[in2], 128*4(%[p]) \t\n"
163  "madd.s %[sum], %[sum], %[in4], %[in5] \t\n"
164  "nmadd.s %[sum2], %[sum2], %[in5], %[in6] \t\n"
165  "lwc1 %[in3], 128*4(%[w2]) \t\n"
166  "lwc1 %[in4], 192*4(%[w]) \t\n"
167  "madd.s %[sum], %[sum], %[in1], %[in2] \t\n"
168  "lwc1 %[in5], 192*4(%[p]) \t\n"
169  "lwc1 %[in6], 192*4(%[w2]) \t\n"
170  "nmsub.s %[sum2], %[sum2], %[in2], %[in3] \t\n"
171  "lwc1 %[in1], 256*4(%[w]) \t\n"
172  "lwc1 %[in2], 256*4(%[p]) \t\n"
173  "madd.s %[sum], %[sum], %[in4], %[in5] \t\n"
174  "nmsub.s %[sum2], %[sum2], %[in5], %[in6] \t\n"
175  "lwc1 %[in3], 256*4(%[w2]) \t\n"
176  "lwc1 %[in4], 320*4(%[w]) \t\n"
177  "madd.s %[sum], %[sum], %[in1], %[in2] \t\n"
178  "lwc1 %[in5], 320*4(%[p]) \t\n"
179  "lwc1 %[in6], 320*4(%[w2]) \t\n"
180  "nmsub.s %[sum2], %[sum2], %[in2], %[in3] \t\n"
181  "lwc1 %[in1], 384*4(%[w]) \t\n"
182  "lwc1 %[in2], 384*4(%[p]) \t\n"
183  "madd.s %[sum], %[sum], %[in4], %[in5] \t\n"
184  "nmsub.s %[sum2], %[sum2], %[in5], %[in6] \t\n"
185  "lwc1 %[in3], 384*4(%[w2]) \t\n"
186  "lwc1 %[in4], 448*4(%[w]) \t\n"
187  "madd.s %[sum], %[sum], %[in1], %[in2] \t\n"
188  "lwc1 %[in5], 448*4(%[p]) \t\n"
189  "lwc1 %[in6], 448*4(%[w2]) \t\n"
190  "nmsub.s %[sum2], %[sum2], %[in2], %[in3] \t\n"
191  "madd.s %[sum], %[sum], %[in4], %[in5] \t\n"
192  "lwc1 %[in1], 32*4(%[w]) \t\n"
193  "lwc1 %[in2], 0(%[p2]) \t\n"
194  "nmsub.s %[sum2], %[sum2], %[in5], %[in6] \t\n"
195  "lwc1 %[in3], 32*4(%[w2]) \t\n"
196  "lwc1 %[in4], 96*4(%[w]) \t\n"
197  "lwc1 %[in5], 64*4(%[p2]) \t\n"
198  "nmsub.s %[sum], %[sum], %[in1], %[in2] \t\n"
199  "lwc1 %[in6], 96*4(%[w2]) \t\n"
200  "nmsub.s %[sum2], %[sum2], %[in2], %[in3] \t\n"
201  "lwc1 %[in1], 160*4(%[w]) \t\n"
202  "nmsub.s %[sum], %[sum], %[in4], %[in5] \t\n"
203  "lwc1 %[in2], 128*4(%[p2]) \t\n"
204  "nmsub.s %[sum2], %[sum2], %[in5], %[in6] \t\n"
205  "lwc1 %[in3], 160*4(%[w2]) \t\n"
206  "lwc1 %[in4], 224*4(%[w]) \t\n"
207  "lwc1 %[in5], 192*4(%[p2]) \t\n"
208  "nmsub.s %[sum], %[sum], %[in1], %[in2] \t\n"
209  "lwc1 %[in6], 224*4(%[w2]) \t\n"
210  "nmsub.s %[sum2], %[sum2], %[in2], %[in3] \t\n"
211  "lwc1 %[in1], 288*4(%[w]) \t\n"
212  "nmsub.s %[sum], %[sum], %[in4], %[in5] \t\n"
213  "lwc1 %[in2], 256*4(%[p2]) \t\n"
214  "nmsub.s %[sum2], %[sum2], %[in5], %[in6] \t\n"
215  "lwc1 %[in3], 288*4(%[w2]) \t\n"
216  "lwc1 %[in4], 352*4(%[w]) \t\n"
217  "lwc1 %[in5], 320*4(%[p2]) \t\n"
218  "nmsub.s %[sum], %[sum], %[in1], %[in2] \t\n"
219  "lwc1 %[in6], 352*4(%[w2]) \t\n"
220  "nmsub.s %[sum2], %[sum2], %[in2], %[in3] \t\n"
221  "lwc1 %[in1], 416*4(%[w]) \t\n"
222  "nmsub.s %[sum], %[sum], %[in4], %[in5] \t\n"
223  "lwc1 %[in2], 384*4(%[p2]) \t\n"
224  "nmsub.s %[sum2], %[sum2], %[in5], %[in6] \t\n"
225  "lwc1 %[in3], 416*4(%[w2]) \t\n"
226  "lwc1 %[in4], 480*4(%[w]) \t\n"
227  "lwc1 %[in5], 448*4(%[p2]) \t\n"
228  "nmsub.s %[sum], %[sum], %[in1], %[in2] \t\n"
229  "lwc1 %[in6], 480*4(%[w2]) \t\n"
230  "nmsub.s %[sum2], %[sum2], %[in2], %[in3] \t\n"
231  PTR_ADDIU "%[w], %[w], 4 \t\n"
232  "nmsub.s %[sum], %[sum], %[in4], %[in5] \t\n"
233  PTR_ADDIU "%[w2], %[w2], -4 \t\n"
234  "nmsub.s %[sum2], %[sum2], %[in5], %[in6] \t\n"
235  "addu %[j], %[j], 4 \t\n"
236  PTR_ADDIU "%[p], 4 \t\n"
237  "swc1 %[sum], 0(%[samples]) \t\n"
238  PTR_ADDIU "%[p2], -4 \t\n"
239  "swc1 %[sum2], 0(%[samples2]) \t\n"
240  PTR_ADDU "%[samples], %[samples], %[incr1] \t\n"
241  PTR_SUBU "%[samples2],%[samples2], %[incr1] \t\n"
242  "bne %[j], 64, ff_mpadsp_apply_window_loop%= \t\n"
243 
244  "lwc1 %[in1], 48*4(%[window]) \t\n"
245  "lwc1 %[in2], 32*4(%[synth_buf]) \t\n"
246  "lwc1 %[in3], 112*4(%[window]) \t\n"
247  "lwc1 %[in4], 96*4(%[synth_buf]) \t\n"
248  "lwc1 %[in5], 176*4(%[window]) \t\n"
249  "lwc1 %[in6], 160*4(%[synth_buf]) \t\n"
250  "mul.s %[sum], %[in1], %[in2] \t\n"
251  "lwc1 %[in7], 240*4(%[window]) \t\n"
252  "lwc1 %[in8], 224*4(%[synth_buf]) \t\n"
253  "lwc1 %[in1], 304*4(%[window]) \t\n"
254  "nmadd.s %[sum], %[sum], %[in3], %[in4] \t\n"
255  "lwc1 %[in2], 288*4(%[synth_buf]) \t\n"
256  "lwc1 %[in3], 368*4(%[window]) \t\n"
257  "lwc1 %[in4], 352*4(%[synth_buf]) \t\n"
258  "nmsub.s %[sum], %[sum], %[in5], %[in6] \t\n"
259  "nmsub.s %[sum], %[sum], %[in7], %[in8] \t\n"
260  "lwc1 %[in5], 432*4(%[window]) \t\n"
261  "lwc1 %[in6], 416*4(%[synth_buf]) \t\n"
262  "nmsub.s %[sum], %[sum], %[in1], %[in2] \t\n"
263  "lwc1 %[in7], 496*4(%[window]) \t\n"
264  "lwc1 %[in8], 480*4(%[synth_buf]) \t\n"
265  "nmsub.s %[sum], %[sum], %[in3], %[in4] \t\n"
266  "nmsub.s %[sum], %[sum], %[in5], %[in6] \t\n"
267  "nmsub.s %[sum], %[sum], %[in7], %[in8] \t\n"
268  "swc1 %[sum], 0(%[samples]) \t\n"
269 
270  : [sum] "=&f" (sum), [sum2] "=&f" (sum2),
271  [w2] "=&r" (w2), [w] "=&r" (w),
272  [p] "=&r" (p), [p2] "=&r" (p2), [j] "=&r" (j),
273  [samples] "+r" (samples), [samples2] "=&r" (samples2),
274  [in1] "=&f" (in1), [in2] "=&f" (in2),
275  [in3] "=&f" (in3), [in4] "=&f" (in4),
276  [in5] "=&f" (in5), [in6] "=&f" (in6),
277  [in7] "=&f" (in7), [in8] "=&f" (in8),
278  [t_sample] "=&r" (t_sample)
279  : [synth_buf] "r" (synth_buf), [window] "r" (window),
280  [dither_state] "r" (dither_state), [incr1] "r" (incr1)
281  : "memory"
282  );
283 }
284 
285 static void ff_dct32_mips_float(float *out, const float *tab)
286 {
287  float val0 , val1 , val2 , val3 , val4 , val5 , val6 , val7,
288  val8 , val9 , val10, val11, val12, val13, val14, val15,
289  val16, val17, val18, val19, val20, val21, val22, val23,
290  val24, val25, val26, val27, val28, val29, val30, val31;
291  float fTmp1, fTmp2, fTmp3, fTmp4, fTmp5, fTmp6, fTmp8, fTmp9;
292  float f1, f2, f3, f4, f5, f6, f7;
293 
294  f1 = 0.50241928618815570551;
295  f2 = 0.50060299823519630134;
296  f3 = 10.19000812354805681150;
297  f4 = 5.10114861868916385802;
298  f5 = 0.67480834145500574602;
299  f6 = 0.74453627100229844977;
300  f7 = 0.50979557910415916894;
301  /**
302  * instructions are scheduled to minimize pipeline stall.
303  */
304  __asm__ volatile (
305  "lwc1 %[fTmp1], 0*4(%[tab]) \n\t"
306  "lwc1 %[fTmp2], 31*4(%[tab]) \n\t"
307  "lwc1 %[fTmp3], 15*4(%[tab]) \n\t"
308  "lwc1 %[fTmp4], 16*4(%[tab]) \n\t"
309  "add.s %[fTmp5], %[fTmp1], %[fTmp2] \n\t"
310  "sub.s %[fTmp8], %[fTmp1], %[fTmp2] \n\t"
311  "add.s %[fTmp6], %[fTmp3], %[fTmp4] \n\t"
312  "sub.s %[fTmp9], %[fTmp3], %[fTmp4] \n\t"
313  "mul.s %[fTmp8], %[fTmp8], %[f2] \n\t"
314  "add.s %[val0], %[fTmp5], %[fTmp6] \n\t"
315  "sub.s %[val15], %[fTmp5], %[fTmp6] \n\t"
316  "lwc1 %[fTmp1], 7*4(%[tab]) \n\t"
317  "lwc1 %[fTmp2], 24*4(%[tab]) \n\t"
318  "madd.s %[val16], %[fTmp8], %[fTmp9], %[f3] \n\t"
319  "nmsub.s %[val31], %[fTmp8], %[fTmp9], %[f3] \n\t"
320  "mul.s %[val15], %[val15], %[f1] \n\t"
321  "lwc1 %[fTmp3], 8*4(%[tab]) \n\t"
322  "lwc1 %[fTmp4], 23*4(%[tab]) \n\t"
323  "add.s %[fTmp5], %[fTmp1], %[fTmp2] \n\t"
324  "mul.s %[val31], %[val31], %[f1] \n\t"
325  "sub.s %[fTmp8], %[fTmp1], %[fTmp2] \n\t"
326  "add.s %[fTmp6], %[fTmp3], %[fTmp4] \n\t"
327  "sub.s %[fTmp9], %[fTmp3], %[fTmp4] \n\t"
328  "add.s %[val7], %[fTmp5], %[fTmp6] \n\t"
329  "sub.s %[val8], %[fTmp5], %[fTmp6] \n\t"
330  "mul.s %[fTmp8], %[fTmp8], %[f5] \n\t"
331  "sub.s %[fTmp2], %[val0], %[val7] \n\t"
332  "mul.s %[val8], %[val8], %[f4] \n\t"
333  "madd.s %[val23], %[fTmp8], %[fTmp9], %[f6] \n\t"
334  "nmsub.s %[val24], %[fTmp8], %[fTmp9], %[f6] \n\t"
335  "add.s %[val0], %[val0], %[val7] \n\t"
336  "mul.s %[val7], %[f7], %[fTmp2] \n\t"
337  "sub.s %[fTmp2], %[val15], %[val8] \n\t"
338  "add.s %[val8], %[val15], %[val8] \n\t"
339  "mul.s %[val24], %[val24], %[f4] \n\t"
340  "sub.s %[fTmp3], %[val16], %[val23] \n\t"
341  "add.s %[val16], %[val16], %[val23] \n\t"
342  "mul.s %[val15], %[f7], %[fTmp2] \n\t"
343  "sub.s %[fTmp4], %[val31], %[val24] \n\t"
344  "mul.s %[val23], %[f7], %[fTmp3] \n\t"
345  "add.s %[val24], %[val31], %[val24] \n\t"
346  "mul.s %[val31], %[f7], %[fTmp4] \n\t"
347 
348  : [fTmp1] "=&f" (fTmp1), [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3),
349  [fTmp4] "=&f" (fTmp4), [fTmp5] "=&f" (fTmp5), [fTmp6] "=&f" (fTmp6),
350  [fTmp8] "=&f" (fTmp8), [fTmp9] "=&f" (fTmp9),
351  [val0] "=&f" (val0), [val7] "=&f" (val7),
352  [val8] "=&f" (val8), [val15] "=&f" (val15),
353  [val16] "=&f" (val16), [val23] "=&f" (val23),
354  [val24] "=&f" (val24), [val31] "=&f" (val31)
355  : [tab] "r" (tab), [f1]"f"(f1), [f2]"f"(f2), [f3]"f"(f3),
356  [f4]"f"(f4), [f5]"f"(f5), [f6]"f"(f6), [f7]"f"(f7)
357  : "memory"
358  );
359 
360  f1 = 0.64682178335999012954;
361  f2 = 0.53104259108978417447;
362  f3 = 1.48416461631416627724;
363  f4 = 0.78815462345125022473;
364  f5 = 0.55310389603444452782;
365  f6 = 1.16943993343288495515;
366  f7 = 2.56291544774150617881;
367  __asm__ volatile (
368  "lwc1 %[fTmp1], 3*4(%[tab]) \n\t"
369  "lwc1 %[fTmp2], 28*4(%[tab]) \n\t"
370  "lwc1 %[fTmp3], 12*4(%[tab]) \n\t"
371  "lwc1 %[fTmp4], 19*4(%[tab]) \n\t"
372  "add.s %[fTmp5], %[fTmp1], %[fTmp2] \n\t"
373  "sub.s %[fTmp8], %[fTmp1], %[fTmp2] \n\t"
374  "add.s %[fTmp6], %[fTmp3], %[fTmp4] \n\t"
375  "sub.s %[fTmp9], %[fTmp3], %[fTmp4] \n\t"
376  "mul.s %[fTmp8], %[fTmp8], %[f2] \n\t"
377  "add.s %[val3], %[fTmp5], %[fTmp6] \n\t"
378  "sub.s %[val12], %[fTmp5], %[fTmp6] \n\t"
379  "lwc1 %[fTmp1], 4*4(%[tab]) \n\t"
380  "lwc1 %[fTmp2], 27*4(%[tab]) \n\t"
381  "madd.s %[val19], %[fTmp8], %[fTmp9], %[f3] \n\t"
382  "nmsub.s %[val28], %[fTmp8], %[fTmp9], %[f3] \n\t"
383  "mul.s %[val12], %[val12], %[f1] \n\t"
384  "lwc1 %[fTmp3], 11*4(%[tab]) \n\t"
385  "lwc1 %[fTmp4], 20*4(%[tab]) \n\t"
386  "add.s %[fTmp5], %[fTmp1], %[fTmp2] \n\t"
387  "mul.s %[val28], %[val28], %[f1] \n\t"
388  "sub.s %[fTmp8], %[fTmp1], %[fTmp2] \n\t"
389  "add.s %[fTmp6], %[fTmp3], %[fTmp4] \n\t"
390  "sub.s %[fTmp9], %[fTmp3], %[fTmp4] \n\t"
391  "mul.s %[fTmp8], %[fTmp8], %[f5] \n\t"
392  "add.s %[val4], %[fTmp5], %[fTmp6] \n\t"
393  "sub.s %[val11], %[fTmp5], %[fTmp6] \n\t"
394  "madd.s %[val20], %[fTmp8], %[fTmp9], %[f6] \n\t"
395  "nmsub.s %[val27], %[fTmp8], %[fTmp9], %[f6] \n\t"
396  "mul.s %[val11], %[val11], %[f4] \n\t"
397  "sub.s %[fTmp2], %[val3], %[val4] \n\t"
398  "add.s %[val3], %[val3], %[val4] \n\t"
399  "sub.s %[fTmp4], %[val19], %[val20] \n\t"
400  "mul.s %[val27], %[val27], %[f4] \n\t"
401  "sub.s %[fTmp3], %[val12], %[val11] \n\t"
402  "mul.s %[val4], %[f7], %[fTmp2] \n\t"
403  "add.s %[val11], %[val12], %[val11] \n\t"
404  "add.s %[val19], %[val19], %[val20] \n\t"
405  "mul.s %[val20], %[f7], %[fTmp4] \n\t"
406  "mul.s %[val12], %[f7], %[fTmp3] \n\t"
407  "sub.s %[fTmp2], %[val28], %[val27] \n\t"
408  "add.s %[val27], %[val28], %[val27] \n\t"
409  "mul.s %[val28], %[f7], %[fTmp2] \n\t"
410 
411  : [fTmp1] "=&f" (fTmp1), [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3),
412  [fTmp4] "=&f" (fTmp4), [fTmp5] "=&f" (fTmp5), [fTmp6] "=&f" (fTmp6),
413  [fTmp8] "=&f" (fTmp8), [fTmp9] "=&f" (fTmp9),
414  [val3] "=&f" (val3), [val4] "=&f" (val4),
415  [val11] "=&f" (val11), [val12] "=&f" (val12),
416  [val19] "=&f" (val19), [val20] "=&f" (val20),
417  [val27] "=&f" (val27), [val28] "=&f" (val28)
418  : [tab] "r" (tab), [f1]"f"(f1), [f2]"f"(f2), [f3]"f"(f3),
419  [f4]"f"(f4), [f5]"f"(f5), [f6]"f"(f6), [f7]"f"(f7)
420  : "memory"
421  );
422 
423  f1 = 0.54119610014619698439;
424  __asm__ volatile (
425  "sub.s %[fTmp2], %[val0], %[val3] \n\t"
426  "add.s %[val0], %[val0], %[val3] \n\t"
427  "sub.s %[fTmp3], %[val7], %[val4] \n\t"
428  "add.s %[val4], %[val7], %[val4] \n\t"
429  "sub.s %[fTmp4], %[val8], %[val11] \n\t"
430  "mul.s %[val3], %[f1], %[fTmp2] \n\t"
431  "add.s %[val8], %[val8], %[val11] \n\t"
432  "mul.s %[val7], %[f1], %[fTmp3] \n\t"
433  "sub.s %[fTmp2], %[val15], %[val12] \n\t"
434  "mul.s %[val11], %[f1], %[fTmp4] \n\t"
435  "add.s %[val12], %[val15], %[val12] \n\t"
436  "mul.s %[val15], %[f1], %[fTmp2] \n\t"
437 
438  : [val0] "+&f" (val0), [val3] "+&f" (val3),
439  [val4] "+&f" (val4), [val7] "+&f" (val7),
440  [val8] "+&f" (val8), [val11] "+&f" (val11),
441  [val12] "+&f" (val12), [val15] "+&f" (val15),
442  [fTmp2] "=&f" (fTmp2),
443  [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4)
444  : [f1] "f" (f1)
445  );
446 
447  __asm__ volatile (
448  "sub.s %[fTmp2], %[val16], %[val19] \n\t"
449  "add.s %[val16], %[val16], %[val19] \n\t"
450  "sub.s %[fTmp3], %[val23], %[val20] \n\t"
451  "add.s %[val20], %[val23], %[val20] \n\t"
452  "sub.s %[fTmp4], %[val24], %[val27] \n\t"
453  "mul.s %[val19], %[f1], %[fTmp2] \n\t"
454  "add.s %[val24], %[val24], %[val27] \n\t"
455  "mul.s %[val23], %[f1], %[fTmp3] \n\t"
456  "sub.s %[fTmp2], %[val31], %[val28] \n\t"
457  "mul.s %[val27], %[f1], %[fTmp4] \n\t"
458  "add.s %[val28], %[val31], %[val28] \n\t"
459  "mul.s %[val31], %[f1], %[fTmp2] \n\t"
460 
461  : [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),
462  [val16] "+&f" (val16), [val19] "+&f" (val19), [val20] "+&f" (val20),
463  [val23] "+&f" (val23), [val24] "+&f" (val24), [val27] "+&f" (val27),
464  [val28] "+&f" (val28), [val31] "+&f" (val31)
465  : [f1] "f" (f1)
466  );
467 
468  f1 = 0.52249861493968888062;
469  f2 = 0.50547095989754365998;
470  f3 = 3.40760841846871878570;
471  f4 = 1.72244709823833392782;
472  f5 = 0.62250412303566481615;
473  f6 = 0.83934964541552703873;
474  f7 = 0.60134488693504528054;
475  __asm__ volatile (
476  "lwc1 %[fTmp1], 1*4(%[tab]) \n\t"
477  "lwc1 %[fTmp2], 30*4(%[tab]) \n\t"
478  "lwc1 %[fTmp3], 14*4(%[tab]) \n\t"
479  "lwc1 %[fTmp4], 17*4(%[tab]) \n\t"
480  "add.s %[fTmp5], %[fTmp1], %[fTmp2] \n\t"
481  "sub.s %[fTmp8], %[fTmp1], %[fTmp2] \n\t"
482  "add.s %[fTmp6], %[fTmp3], %[fTmp4] \n\t"
483  "sub.s %[fTmp9], %[fTmp3], %[fTmp4] \n\t"
484  "mul.s %[fTmp8], %[fTmp8], %[f2] \n\t"
485  "add.s %[val1], %[fTmp5], %[fTmp6] \n\t"
486  "sub.s %[val14], %[fTmp5], %[fTmp6] \n\t"
487  "lwc1 %[fTmp1], 6*4(%[tab]) \n\t"
488  "lwc1 %[fTmp2], 25*4(%[tab]) \n\t"
489  "madd.s %[val17], %[fTmp8], %[fTmp9], %[f3] \n\t"
490  "nmsub.s %[val30], %[fTmp8], %[fTmp9], %[f3] \n\t"
491  "mul.s %[val14], %[val14], %[f1] \n\t"
492  "lwc1 %[fTmp3], 9*4(%[tab]) \n\t"
493  "lwc1 %[fTmp4], 22*4(%[tab]) \n\t"
494  "add.s %[fTmp5], %[fTmp1], %[fTmp2] \n\t"
495  "mul.s %[val30], %[val30], %[f1] \n\t"
496  "sub.s %[fTmp8], %[fTmp1], %[fTmp2] \n\t"
497  "add.s %[fTmp6], %[fTmp3], %[fTmp4] \n\t"
498  "sub.s %[fTmp9], %[fTmp3], %[fTmp4] \n\t"
499  "add.s %[val6], %[fTmp5], %[fTmp6] \n\t"
500  "sub.s %[val9], %[fTmp5], %[fTmp6] \n\t"
501  "mul.s %[fTmp8], %[fTmp8], %[f5] \n\t"
502  "sub.s %[fTmp2], %[val1], %[val6] \n\t"
503  "add.s %[val1], %[val1], %[val6] \n\t"
504  "mul.s %[val9], %[val9], %[f4] \n\t"
505  "madd.s %[val22], %[fTmp8], %[fTmp9], %[f6] \n\t"
506  "nmsub.s %[val25], %[fTmp8], %[fTmp9], %[f6] \n\t"
507  "mul.s %[val6], %[f7], %[fTmp2] \n\t"
508  "sub.s %[fTmp2], %[val14], %[val9] \n\t"
509  "add.s %[val9], %[val14], %[val9] \n\t"
510  "mul.s %[val25], %[val25], %[f4] \n\t"
511  "sub.s %[fTmp3], %[val17], %[val22] \n\t"
512  "add.s %[val17], %[val17], %[val22] \n\t"
513  "mul.s %[val14], %[f7], %[fTmp2] \n\t"
514  "sub.s %[fTmp2], %[val30], %[val25] \n\t"
515  "mul.s %[val22], %[f7], %[fTmp3] \n\t"
516  "add.s %[val25], %[val30], %[val25] \n\t"
517  "mul.s %[val30], %[f7], %[fTmp2] \n\t"
518 
519  : [fTmp1] "=&f" (fTmp1), [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3),
520  [fTmp4] "=&f" (fTmp4), [fTmp5] "=&f" (fTmp5), [fTmp6] "=&f" (fTmp6),
521  [fTmp8] "=&f" (fTmp8), [fTmp9] "=&f" (fTmp9),
522  [val1] "=&f" (val1), [val6] "=&f" (val6),
523  [val9] "=&f" (val9), [val14] "=&f" (val14),
524  [val17] "=&f" (val17), [val22] "=&f" (val22),
525  [val25] "=&f" (val25), [val30] "=&f" (val30)
526  : [tab] "r" (tab), [f1]"f"(f1), [f2]"f"(f2), [f3]"f"(f3),
527  [f4]"f"(f4), [f5]"f"(f5), [f6]"f"(f6), [f7]"f"(f7)
528  : "memory"
529  );
530 
531  f1 = 0.56694403481635770368;
532  f2 = 0.51544730992262454697;
533  f3 = 2.05778100995341155085;
534  f4 = 1.06067768599034747134;
535  f5 = 0.58293496820613387367;
536  f6 = 0.97256823786196069369;
537  f7 = 0.89997622313641570463;
538  __asm__ volatile (
539  "lwc1 %[fTmp1], 2*4(%[tab]) \n\t"
540  "lwc1 %[fTmp2], 29*4(%[tab]) \n\t"
541  "lwc1 %[fTmp3], 13*4(%[tab]) \n\t"
542  "lwc1 %[fTmp4], 18*4(%[tab]) \n\t"
543  "add.s %[fTmp5], %[fTmp1], %[fTmp2] \n\t"
544  "sub.s %[fTmp8], %[fTmp1], %[fTmp2] \n\t"
545  "add.s %[fTmp6], %[fTmp3], %[fTmp4] \n\t"
546  "sub.s %[fTmp9], %[fTmp3], %[fTmp4] \n\t"
547  "mul.s %[fTmp8], %[fTmp8], %[f2] \n\t"
548  "add.s %[val2], %[fTmp5], %[fTmp6] \n\t"
549  "sub.s %[val13], %[fTmp5], %[fTmp6] \n\t"
550  "lwc1 %[fTmp1], 5*4(%[tab]) \n\t"
551  "lwc1 %[fTmp2], 26*4(%[tab]) \n\t"
552  "madd.s %[val18], %[fTmp8], %[fTmp9], %[f3] \n\t"
553  "nmsub.s %[val29], %[fTmp8], %[fTmp9], %[f3] \n\t"
554  "mul.s %[val13], %[val13], %[f1] \n\t"
555  "lwc1 %[fTmp3], 10*4(%[tab]) \n\t"
556  "lwc1 %[fTmp4], 21*4(%[tab]) \n\t"
557  "mul.s %[val29], %[val29], %[f1] \n\t"
558  "add.s %[fTmp5], %[fTmp1], %[fTmp2] \n\t"
559  "sub.s %[fTmp8], %[fTmp1], %[fTmp2] \n\t"
560  "add.s %[fTmp6], %[fTmp3], %[fTmp4] \n\t"
561  "sub.s %[fTmp9], %[fTmp3], %[fTmp4] \n\t"
562  "add.s %[val5], %[fTmp5], %[fTmp6] \n\t"
563  "sub.s %[val10], %[fTmp5], %[fTmp6] \n\t"
564  "mul.s %[fTmp8], %[fTmp8], %[f5] \n\t"
565  "sub.s %[fTmp2], %[val2], %[val5] \n\t"
566  "mul.s %[val10], %[val10], %[f4] \n\t"
567  "madd.s %[val21], %[fTmp8], %[fTmp9], %[f6] \n\t"
568  "nmsub.s %[val26], %[fTmp8], %[fTmp9], %[f6] \n\t"
569  "add.s %[val2], %[val2], %[val5] \n\t"
570  "mul.s %[val5], %[f7], %[fTmp2] \n\t"
571  "sub.s %[fTmp3], %[val13], %[val10] \n\t"
572  "add.s %[val10], %[val13], %[val10] \n\t"
573  "mul.s %[val26], %[val26], %[f4] \n\t"
574  "sub.s %[fTmp4], %[val18], %[val21] \n\t"
575  "add.s %[val18], %[val18], %[val21] \n\t"
576  "mul.s %[val13], %[f7], %[fTmp3] \n\t"
577  "sub.s %[fTmp2], %[val29], %[val26] \n\t"
578  "add.s %[val26], %[val29], %[val26] \n\t"
579  "mul.s %[val21], %[f7], %[fTmp4] \n\t"
580  "mul.s %[val29], %[f7], %[fTmp2] \n\t"
581 
582  : [fTmp1] "=&f" (fTmp1), [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3),
583  [fTmp4] "=&f" (fTmp4), [fTmp5] "=&f" (fTmp5), [fTmp6] "=&f" (fTmp6),
584  [fTmp8] "=&f" (fTmp8), [fTmp9] "=&f" (fTmp9),
585  [val2] "=&f" (val2), [val5] "=&f" (val5),
586  [val10] "=&f" (val10), [val13] "=&f" (val13),
587  [val18] "=&f" (val18), [val21] "=&f" (val21),
588  [val26] "=&f" (val26), [val29] "=&f" (val29)
589  : [tab] "r" (tab), [f1]"f"(f1), [f2]"f"(f2), [f3]"f"(f3),
590  [f4]"f"(f4), [f5]"f"(f5), [f6]"f"(f6), [f7]"f"(f7)
591  : "memory"
592  );
593 
594  f1 = 1.30656296487637652785;
595  __asm__ volatile (
596  "sub.s %[fTmp2], %[val1], %[val2] \n\t"
597  "add.s %[val1], %[val1], %[val2] \n\t"
598  "sub.s %[fTmp3], %[val6], %[val5] \n\t"
599  "add.s %[val5], %[val6], %[val5] \n\t"
600  "sub.s %[fTmp4], %[val9], %[val10] \n\t"
601  "mul.s %[val2], %[f1], %[fTmp2] \n\t"
602  "add.s %[val9], %[val9], %[val10] \n\t"
603  "mul.s %[val6], %[f1], %[fTmp3] \n\t"
604  "sub.s %[fTmp2], %[val14], %[val13] \n\t"
605  "mul.s %[val10], %[f1], %[fTmp4] \n\t"
606  "add.s %[val13], %[val14], %[val13] \n\t"
607  "mul.s %[val14], %[f1], %[fTmp2] \n\t"
608 
609  : [fTmp2] "=&f" (fTmp2),
610  [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),
611  [val1] "+&f" (val1), [val2] "+&f" (val2),
612  [val5] "+&f" (val5), [val6] "+&f" (val6),
613  [val9] "+&f" (val9), [val10] "+&f" (val10),
614  [val13] "+&f" (val13), [val14] "+&f" (val14)
615  : [f1]"f"(f1)
616  );
617 
618  __asm__ volatile (
619  "sub.s %[fTmp2], %[val17], %[val18] \n\t"
620  "add.s %[val17], %[val17], %[val18] \n\t"
621  "sub.s %[fTmp3], %[val22], %[val21] \n\t"
622  "add.s %[val21], %[val22], %[val21] \n\t"
623  "sub.s %[fTmp4], %[val25], %[val26] \n\t"
624  "mul.s %[val18], %[f1], %[fTmp2] \n\t"
625  "add.s %[val25], %[val25], %[val26] \n\t"
626  "mul.s %[val22], %[f1], %[fTmp3] \n\t"
627  "sub.s %[fTmp2], %[val30], %[val29] \n\t"
628  "mul.s %[val26], %[f1], %[fTmp4] \n\t"
629  "add.s %[val29], %[val30], %[val29] \n\t"
630  "mul.s %[val30], %[f1], %[fTmp2] \n\t"
631 
632  : [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),
633  [val17] "+&f" (val17), [val18] "+&f" (val18), [val21] "+&f" (val21),
634  [val22] "+&f" (val22), [val25] "+&f" (val25), [val26] "+&f" (val26),
635  [val29] "+&f" (val29), [val30] "+&f" (val30)
636  : [f1] "f" (f1)
637  );
638 
639  f1 = 0.70710678118654752439;
640  __asm__ volatile (
641  "sub.s %[fTmp2], %[val0], %[val1] \n\t"
642  "add.s %[val0], %[val0], %[val1] \n\t"
643  "sub.s %[fTmp3], %[val3], %[val2] \n\t"
644  "add.s %[val2], %[val3], %[val2] \n\t"
645  "sub.s %[fTmp4], %[val4], %[val5] \n\t"
646  "mul.s %[val1], %[f1], %[fTmp2] \n\t"
647  "swc1 %[val0], 0(%[out]) \n\t"
648  "mul.s %[val3], %[fTmp3], %[f1] \n\t"
649  "add.s %[val4], %[val4], %[val5] \n\t"
650  "mul.s %[val5], %[f1], %[fTmp4] \n\t"
651  "swc1 %[val1], 16*4(%[out]) \n\t"
652  "sub.s %[fTmp2], %[val7], %[val6] \n\t"
653  "add.s %[val2], %[val2], %[val3] \n\t"
654  "swc1 %[val3], 24*4(%[out]) \n\t"
655  "add.s %[val6], %[val7], %[val6] \n\t"
656  "mul.s %[val7], %[f1], %[fTmp2] \n\t"
657  "swc1 %[val2], 8*4(%[out]) \n\t"
658  "add.s %[val6], %[val6], %[val7] \n\t"
659  "swc1 %[val7], 28*4(%[out]) \n\t"
660  "add.s %[val4], %[val4], %[val6] \n\t"
661  "add.s %[val6], %[val6], %[val5] \n\t"
662  "add.s %[val5], %[val5], %[val7] \n\t"
663  "swc1 %[val4], 4*4(%[out]) \n\t"
664  "swc1 %[val5], 20*4(%[out]) \n\t"
665  "swc1 %[val6], 12*4(%[out]) \n\t"
666 
667  : [fTmp2] "=&f" (fTmp2),
668  [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),
669  [val0] "+&f" (val0), [val1] "+&f" (val1),
670  [val2] "+&f" (val2), [val3] "+&f" (val3),
671  [val4] "+&f" (val4), [val5] "+&f" (val5),
672  [val6] "+&f" (val6), [val7] "+&f" (val7)
673  : [out] "r" (out), [f1]"f"(f1)
674  );
675 
676  __asm__ volatile (
677  "sub.s %[fTmp2], %[val8], %[val9] \n\t"
678  "add.s %[val8], %[val8], %[val9] \n\t"
679  "sub.s %[fTmp3], %[val11], %[val10] \n\t"
680  "add.s %[val10], %[val11], %[val10] \n\t"
681  "sub.s %[fTmp4], %[val12], %[val13] \n\t"
682  "mul.s %[val9], %[f1], %[fTmp2] \n\t"
683  "add.s %[val12], %[val12], %[val13] \n\t"
684  "mul.s %[val11], %[f1], %[fTmp3] \n\t"
685  "sub.s %[fTmp2], %[val15], %[val14] \n\t"
686  "mul.s %[val13], %[f1], %[fTmp4] \n\t"
687  "add.s %[val14], %[val15], %[val14] \n\t"
688  "add.s %[val10], %[val10], %[val11] \n\t"
689  "mul.s %[val15], %[f1], %[fTmp2] \n\t"
690  "add.s %[val14], %[val14], %[val15] \n\t"
691  "add.s %[val12], %[val12], %[val14] \n\t"
692  "add.s %[val14], %[val14], %[val13] \n\t"
693  "add.s %[val13], %[val13], %[val15] \n\t"
694  "add.s %[val8], %[val8], %[val12] \n\t"
695  "add.s %[val12], %[val12], %[val10] \n\t"
696  "add.s %[val10], %[val10], %[val14] \n\t"
697  "add.s %[val14], %[val14], %[val9] \n\t"
698  "add.s %[val9], %[val9], %[val13] \n\t"
699  "add.s %[val13], %[val13], %[val11] \n\t"
700  "add.s %[val11], %[val11], %[val15] \n\t"
701  "swc1 %[val8], 2*4(%[out]) \n\t"
702  "swc1 %[val9], 18*4(%[out]) \n\t"
703  "swc1 %[val10], 10*4(%[out]) \n\t"
704  "swc1 %[val11], 26*4(%[out]) \n\t"
705  "swc1 %[val12], 6*4(%[out]) \n\t"
706  "swc1 %[val13], 22*4(%[out]) \n\t"
707  "swc1 %[val14], 14*4(%[out]) \n\t"
708  "swc1 %[val15], 30*4(%[out]) \n\t"
709 
710  : [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),
711  [val8] "+&f" (val8), [val9] "+&f" (val9), [val10] "+&f" (val10),
712  [val11] "+&f" (val11), [val12] "+&f" (val12), [val13] "+&f" (val13),
713  [val14] "+&f" (val14), [val15] "+&f" (val15)
714  : [f1] "f" (f1), [out] "r" (out)
715  );
716 
717  __asm__ volatile (
718  "sub.s %[fTmp2], %[val16], %[val17] \n\t"
719  "add.s %[val16], %[val16], %[val17] \n\t"
720  "sub.s %[fTmp3], %[val19], %[val18] \n\t"
721  "add.s %[val18], %[val19], %[val18] \n\t"
722  "sub.s %[fTmp4], %[val20], %[val21] \n\t"
723  "mul.s %[val17], %[f1], %[fTmp2] \n\t"
724  "add.s %[val20], %[val20], %[val21] \n\t"
725  "mul.s %[val19], %[f1], %[fTmp3] \n\t"
726  "sub.s %[fTmp2], %[val23], %[val22] \n\t"
727  "mul.s %[val21], %[f1], %[fTmp4] \n\t"
728  "add.s %[val22], %[val23], %[val22] \n\t"
729  "add.s %[val18], %[val18], %[val19] \n\t"
730  "mul.s %[val23], %[f1], %[fTmp2] \n\t"
731  "add.s %[val22], %[val22], %[val23] \n\t"
732  "add.s %[val20], %[val20], %[val22] \n\t"
733  "add.s %[val22], %[val22], %[val21] \n\t"
734  "add.s %[val21], %[val21], %[val23] \n\t"
735 
736  : [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),
737  [val16] "+&f" (val16), [val17] "+&f" (val17), [val18] "+&f" (val18),
738  [val19] "+&f" (val19), [val20] "+&f" (val20), [val21] "+&f" (val21),
739  [val22] "+&f" (val22), [val23] "+&f" (val23)
740  : [f1] "f" (f1)
741  );
742 
743  __asm__ volatile (
744  "sub.s %[fTmp2], %[val24], %[val25] \n\t"
745  "add.s %[val24], %[val24], %[val25] \n\t"
746  "sub.s %[fTmp3], %[val27], %[val26] \n\t"
747  "add.s %[val26], %[val27], %[val26] \n\t"
748  "sub.s %[fTmp4], %[val28], %[val29] \n\t"
749  "mul.s %[val25], %[f1], %[fTmp2] \n\t"
750  "add.s %[val28], %[val28], %[val29] \n\t"
751  "mul.s %[val27], %[f1], %[fTmp3] \n\t"
752  "sub.s %[fTmp2], %[val31], %[val30] \n\t"
753  "mul.s %[val29], %[f1], %[fTmp4] \n\t"
754  "add.s %[val30], %[val31], %[val30] \n\t"
755  "add.s %[val26], %[val26], %[val27] \n\t"
756  "mul.s %[val31], %[f1], %[fTmp2] \n\t"
757  "add.s %[val30], %[val30], %[val31] \n\t"
758  "add.s %[val28], %[val28], %[val30] \n\t"
759  "add.s %[val30], %[val30], %[val29] \n\t"
760  "add.s %[val29], %[val29], %[val31] \n\t"
761  "add.s %[val24], %[val24], %[val28] \n\t"
762  "add.s %[val28], %[val28], %[val26] \n\t"
763  "add.s %[val26], %[val26], %[val30] \n\t"
764  "add.s %[val30], %[val30], %[val25] \n\t"
765  "add.s %[val25], %[val25], %[val29] \n\t"
766  "add.s %[val29], %[val29], %[val27] \n\t"
767  "add.s %[val27], %[val27], %[val31] \n\t"
768 
769  : [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),
770  [val24] "+&f" (val24), [val25] "+&f" (val25), [val26] "+&f" (val26),
771  [val27] "+&f" (val27), [val28] "+&f" (val28), [val29] "+&f" (val29),
772  [val30] "+&f" (val30), [val31] "+&f" (val31)
773  : [f1] "f" (f1)
774  );
775 
776  out[ 1] = val16 + val24;
777  out[17] = val17 + val25;
778  out[ 9] = val18 + val26;
779  out[25] = val19 + val27;
780  out[ 5] = val20 + val28;
781  out[21] = val21 + val29;
782  out[13] = val22 + val30;
783  out[29] = val23 + val31;
784  out[ 3] = val24 + val20;
785  out[19] = val25 + val21;
786  out[11] = val26 + val22;
787  out[27] = val27 + val23;
788  out[ 7] = val28 + val18;
789  out[23] = val29 + val19;
790  out[15] = val30 + val17;
791  out[31] = val31;
792 }
793 
794 static void imdct36_mips_float(float *out, float *buf, float *in, float *win)
795 {
796  float t0, t1, t2, t3, s0, s1, s2, s3;
797  float tmp[18];
798  /* temporary variables */
799  float in1, in2, in3, in4, in5, in6;
800  float out1, out2, out3, out4, out5;
801  float f1, f2, f3, f4, f5, f6, f7, f8, f9;
802 
803  /**
804  * all loops are unrolled totally, and instructions are scheduled to
805  * minimize pipeline stall. instructions of the first two loops are
806  * reorganized, in order to eliminate unnecessary readings and
807  * writings into array. values defined in macros and tables are
808  * eliminated - they are directly loaded in appropriate variables
809  */
810 
811  /* loop 1 and 2 */
812  __asm__ volatile (
813  "lwc1 %[in1], 17*4(%[in]) \t\n"
814  "lwc1 %[in2], 16*4(%[in]) \t\n"
815  "lwc1 %[in3], 15*4(%[in]) \t\n"
816  "lwc1 %[in4], 14*4(%[in]) \t\n"
817  "lwc1 %[in5], 13*4(%[in]) \t\n"
818  "lwc1 %[in6], 12*4(%[in]) \t\n"
819  "add.s %[out1], %[in1], %[in2] \t\n"
820  "add.s %[out2], %[in2], %[in3] \t\n"
821  "add.s %[out3], %[in3], %[in4] \t\n"
822  "add.s %[out4], %[in4], %[in5] \t\n"
823  "add.s %[out5], %[in5], %[in6] \t\n"
824  "lwc1 %[in1], 11*4(%[in]) \t\n"
825  "swc1 %[out2], 16*4(%[in]) \t\n"
826  "add.s %[out1], %[out1], %[out3] \t\n"
827  "swc1 %[out4], 14*4(%[in]) \t\n"
828  "add.s %[out3], %[out3], %[out5] \t\n"
829  "lwc1 %[in2], 10*4(%[in]) \t\n"
830  "lwc1 %[in3], 9*4(%[in]) \t\n"
831  "swc1 %[out1], 17*4(%[in]) \t\n"
832  "lwc1 %[in4], 8*4(%[in]) \t\n"
833  "swc1 %[out3], 15*4(%[in]) \t\n"
834  "add.s %[out1], %[in6], %[in1] \t\n"
835  "add.s %[out2], %[in1], %[in2] \t\n"
836  "add.s %[out3], %[in2], %[in3] \t\n"
837  "add.s %[out4], %[in3], %[in4] \t\n"
838  "lwc1 %[in5], 7*4(%[in]) \t\n"
839  "swc1 %[out1], 12*4(%[in]) \t\n"
840  "add.s %[out5], %[out5], %[out2] \t\n"
841  "swc1 %[out3], 10*4(%[in]) \t\n"
842  "add.s %[out2], %[out2], %[out4] \t\n"
843  "lwc1 %[in6], 6*4(%[in]) \t\n"
844  "lwc1 %[in1], 5*4(%[in]) \t\n"
845  "swc1 %[out5], 13*4(%[in]) \t\n"
846  "lwc1 %[in2], 4*4(%[in]) \t\n"
847  "swc1 %[out2], 11*4(%[in]) \t\n"
848  "add.s %[out5], %[in4], %[in5] \t\n"
849  "add.s %[out1], %[in5], %[in6] \t\n"
850  "add.s %[out2], %[in6], %[in1] \t\n"
851  "add.s %[out3], %[in1], %[in2] \t\n"
852  "lwc1 %[in3], 3*4(%[in]) \t\n"
853  "swc1 %[out5], 8*4(%[in]) \t\n"
854  "add.s %[out4], %[out4], %[out1] \t\n"
855  "swc1 %[out2], 6*4(%[in]) \t\n"
856  "add.s %[out1], %[out1], %[out3] \t\n"
857  "lwc1 %[in4], 2*4(%[in]) \t\n"
858  "lwc1 %[in5], 1*4(%[in]) \t\n"
859  "swc1 %[out4], 9*4(%[in]) \t\n"
860  "lwc1 %[in6], 0(%[in]) \t\n"
861  "swc1 %[out1], 7*4(%[in]) \t\n"
862  "add.s %[out4], %[in2], %[in3] \t\n"
863  "add.s %[out5], %[in3], %[in4] \t\n"
864  "add.s %[out1], %[in4], %[in5] \t\n"
865  "add.s %[out2], %[in5], %[in6] \t\n"
866  "swc1 %[out4], 4*4(%[in]) \t\n"
867  "add.s %[out3], %[out3], %[out5] \t\n"
868  "swc1 %[out1], 2*4(%[in]) \t\n"
869  "add.s %[out5], %[out5], %[out2] \t\n"
870  "swc1 %[out2], 1*4(%[in]) \t\n"
871  "swc1 %[out3], 5*4(%[in]) \t\n"
872  "swc1 %[out5], 3*4(%[in]) \t\n"
873 
874  : [in1] "=&f" (in1), [in2] "=&f" (in2),
875  [in3] "=&f" (in3), [in4] "=&f" (in4),
876  [in5] "=&f" (in5), [in6] "=&f" (in6),
877  [out1] "=&f" (out1), [out2] "=&f" (out2),
878  [out3] "=&f" (out3), [out4] "=&f" (out4),
879  [out5] "=&f" (out5)
880  : [in] "r" (in)
881  : "memory"
882  );
883 
884  /* loop 3 */
885  f1 = 0.5;
886  f2 = 0.93969262078590838405;
887  f3 = -0.76604444311897803520;
888  f4 = -0.17364817766693034885;
889  f5 = -0.86602540378443864676;
890  f6 = 0.98480775301220805936;
891  f7 = -0.34202014332566873304;
892  f8 = 0.86602540378443864676;
893  f9 = -0.64278760968653932632;
894  __asm__ volatile (
895  "lwc1 %[in1], 8*4(%[in]) \t\n"
896  "lwc1 %[in2], 16*4(%[in]) \t\n"
897  "lwc1 %[in3], 4*4(%[in]) \t\n"
898  "lwc1 %[in4], 0(%[in]) \t\n"
899  "lwc1 %[in5], 12*4(%[in]) \t\n"
900  "add.s %[t2], %[in1], %[in2] \t\n"
901  "add.s %[t0], %[in1], %[in3] \t\n"
902  "madd.s %[t3], %[in4], %[in5], %[f1] \t\n"
903  "sub.s %[t1], %[in4], %[in5] \t\n"
904  "sub.s %[t2], %[t2], %[in3] \t\n"
905  "mul.s %[t0], %[t0], %[f2] \t\n"
906  "nmsub.s %[out1], %[t1], %[t2], %[f1] \t\n"
907  "add.s %[out2], %[t1], %[t2] \t\n"
908  "add.s %[t2], %[in2], %[in3] \t\n"
909  "sub.s %[t1], %[in1], %[in2] \t\n"
910  "sub.s %[out3], %[t3], %[t0] \t\n"
911  "swc1 %[out1], 6*4(%[tmp]) \t\n"
912  "swc1 %[out2], 16*4(%[tmp]) \t\n"
913  "mul.s %[t2], %[t2], %[f3] \t\n"
914  "mul.s %[t1], %[t1], %[f4] \t\n"
915  "add.s %[out1], %[t3], %[t0] \t\n"
916  "lwc1 %[in1], 10*4(%[in]) \t\n"
917  "lwc1 %[in2], 14*4(%[in]) \t\n"
918  "sub.s %[out3], %[out3], %[t2] \t\n"
919  "add.s %[out2], %[t3], %[t2] \t\n"
920  "add.s %[out1], %[out1], %[t1] \t\n"
921  "lwc1 %[in3], 2*4(%[in]) \t\n"
922  "lwc1 %[in4], 6*4(%[in]) \t\n"
923  "swc1 %[out3], 10*4(%[tmp]) \t\n"
924  "sub.s %[out2], %[out2], %[t1] \t\n"
925  "swc1 %[out1], 2*4(%[tmp]) \t\n"
926  "add.s %[out1], %[in1], %[in2] \t\n"
927  "add.s %[t2], %[in1], %[in3] \t\n"
928  "sub.s %[t3], %[in1], %[in2] \t\n"
929  "swc1 %[out2], 14*4(%[tmp]) \t\n"
930  "sub.s %[out1], %[out1], %[in3] \t\n"
931  "mul.s %[t2], %[t2], %[f6] \t\n"
932  "mul.s %[t3], %[t3], %[f7] \t\n"
933  "mul.s %[t0], %[in4], %[f8] \t\n"
934  "mul.s %[out1], %[out1], %[f5] \t\n"
935  "add.s %[t1], %[in2], %[in3] \t\n"
936  "add.s %[out2], %[t2], %[t3] \t\n"
937  "lwc1 %[in1], 9*4(%[in]) \t\n"
938  "swc1 %[out1], 4*4(%[tmp]) \t\n"
939  "mul.s %[t1], %[t1], %[f9] \t\n"
940  "lwc1 %[in2], 17*4(%[in]) \t\n"
941  "add.s %[out2], %[out2], %[t0] \t\n"
942  "lwc1 %[in3], 5*4(%[in]) \t\n"
943  "lwc1 %[in4], 1*4(%[in]) \t\n"
944  "add.s %[out3], %[t2], %[t1] \t\n"
945  "sub.s %[out1], %[t3], %[t1] \t\n"
946  "swc1 %[out2], 0(%[tmp]) \t\n"
947  "lwc1 %[in5], 13*4(%[in]) \t\n"
948  "add.s %[t2], %[in1], %[in2] \t\n"
949  "sub.s %[out3], %[out3], %[t0] \t\n"
950  "sub.s %[out1], %[out1], %[t0] \t\n"
951  "add.s %[t0], %[in1], %[in3] \t\n"
952  "madd.s %[t3], %[in4], %[in5], %[f1] \t\n"
953  "sub.s %[t2], %[t2], %[in3] \t\n"
954  "swc1 %[out3], 12*4(%[tmp]) \t\n"
955  "swc1 %[out1], 8*4(%[tmp]) \t\n"
956  "sub.s %[t1], %[in4], %[in5] \t\n"
957  "mul.s %[t0], %[t0], %[f2] \t\n"
958  "nmsub.s %[out1], %[t1], %[t2], %[f1] \t\n"
959  "add.s %[out2], %[t1], %[t2] \t\n"
960  "add.s %[t2], %[in2], %[in3] \t\n"
961  "sub.s %[t1], %[in1], %[in2] \t\n"
962  "sub.s %[out3], %[t3], %[t0] \t\n"
963  "swc1 %[out1], 7*4(%[tmp]) \t\n"
964  "swc1 %[out2], 17*4(%[tmp]) \t\n"
965  "mul.s %[t2], %[t2], %[f3] \t\n"
966  "mul.s %[t1], %[t1], %[f4] \t\n"
967  "add.s %[out1], %[t3], %[t0] \t\n"
968  "lwc1 %[in1], 11*4(%[in]) \t\n"
969  "lwc1 %[in2], 15*4(%[in]) \t\n"
970  "sub.s %[out3], %[out3], %[t2] \t\n"
971  "add.s %[out2], %[t3], %[t2] \t\n"
972  "add.s %[out1], %[out1], %[t1] \t\n"
973  "lwc1 %[in3], 3*4(%[in]) \t\n"
974  "lwc1 %[in4], 7*4(%[in]) \t\n"
975  "swc1 %[out3], 11*4(%[tmp]) \t\n"
976  "sub.s %[out2], %[out2], %[t1] \t\n"
977  "swc1 %[out1], 3*4(%[tmp]) \t\n"
978  "add.s %[out3], %[in1], %[in2] \t\n"
979  "add.s %[t2], %[in1], %[in3] \t\n"
980  "sub.s %[t3], %[in1], %[in2] \t\n"
981  "swc1 %[out2], 15*4(%[tmp]) \t\n"
982  "mul.s %[t0], %[in4], %[f8] \t\n"
983  "sub.s %[out3], %[out3], %[in3] \t\n"
984  "mul.s %[t2], %[t2], %[f6] \t\n"
985  "mul.s %[t3], %[t3], %[f7] \t\n"
986  "add.s %[t1], %[in2], %[in3] \t\n"
987  "mul.s %[out3], %[out3], %[f5] \t\n"
988  "add.s %[out1], %[t2], %[t3] \t\n"
989  "mul.s %[t1], %[t1], %[f9] \t\n"
990  "swc1 %[out3], 5*4(%[tmp]) \t\n"
991  "add.s %[out1], %[out1], %[t0] \t\n"
992  "add.s %[out2], %[t2], %[t1] \t\n"
993  "sub.s %[out3], %[t3], %[t1] \t\n"
994  "swc1 %[out1], 1*4(%[tmp]) \t\n"
995  "sub.s %[out2], %[out2], %[t0] \t\n"
996  "sub.s %[out3], %[out3], %[t0] \t\n"
997  "swc1 %[out2], 13*4(%[tmp]) \t\n"
998  "swc1 %[out3], 9*4(%[tmp]) \t\n"
999 
1000  : [t0] "=&f" (t0), [t1] "=&f" (t1),
1001  [t2] "=&f" (t2), [t3] "=&f" (t3),
1002  [in1] "=&f" (in1), [in2] "=&f" (in2),
1003  [in3] "=&f" (in3), [in4] "=&f" (in4),
1004  [in5] "=&f" (in5), [out1] "=&f" (out1),
1005  [out2] "=&f" (out2), [out3] "=&f" (out3)
1006  : [in] "r" (in), [tmp] "r" (tmp), [f1]"f"(f1), [f2]"f"(f2),
1007  [f3]"f"(f3), [f4]"f"(f4), [f5]"f"(f5), [f6]"f"(f6),
1008  [f7]"f"(f7), [f8]"f"(f8), [f9]"f"(f9)
1009  : "memory"
1010  );
1011 
1012  /* loop 4 */
1013  f1 = 0.50190991877167369479;
1014  f2 = 5.73685662283492756461;
1015  f3 = 0.51763809020504152469;
1016  f4 = 1.93185165257813657349;
1017  f5 = 0.55168895948124587824;
1018  f6 = 1.18310079157624925896;
1019  f7 = 0.61038729438072803416;
1020  f8 = 0.87172339781054900991;
1021  f9 = 0.70710678118654752439;
1022  __asm__ volatile (
1023  "lwc1 %[in1], 2*4(%[tmp]) \t\n"
1024  "lwc1 %[in2], 0(%[tmp]) \t\n"
1025  "lwc1 %[in3], 3*4(%[tmp]) \t\n"
1026  "lwc1 %[in4], 1*4(%[tmp]) \t\n"
1027  "add.s %[s0], %[in1], %[in2] \t\n"
1028  "sub.s %[s2], %[in1], %[in2] \t\n"
1029  "add.s %[s1], %[in3], %[in4] \t\n"
1030  "sub.s %[s3], %[in3], %[in4] \t\n"
1031  "lwc1 %[in1], 9*4(%[win]) \t\n"
1032  "lwc1 %[in2], 4*9*4(%[buf]) \t\n"
1033  "lwc1 %[in3], 8*4(%[win]) \t\n"
1034  "mul.s %[s1], %[s1], %[f1] \t\n"
1035  "mul.s %[s3], %[s3], %[f2] \t\n"
1036  "lwc1 %[in4], 4*8*4(%[buf]) \t\n"
1037  "lwc1 %[in5], 29*4(%[win]) \t\n"
1038  "lwc1 %[in6], 28*4(%[win]) \t\n"
1039  "add.s %[t0], %[s0], %[s1] \t\n"
1040  "sub.s %[t1], %[s0], %[s1] \t\n"
1041  "mul.s %[out3], %[in5], %[t0] \t\n"
1042  "madd.s %[out1], %[in2], %[in1], %[t1] \t\n"
1043  "madd.s %[out2], %[in4], %[in3], %[t1] \t\n"
1044  "mul.s %[out4], %[in6], %[t0] \t\n"
1045  "add.s %[t0], %[s2], %[s3] \t\n"
1046  "swc1 %[out3], 4*9*4(%[buf]) \t\n"
1047  "swc1 %[out1], 288*4(%[out]) \t\n"
1048  "swc1 %[out2], 256*4(%[out]) \t\n"
1049  "swc1 %[out4], 4*8*4(%[buf]) \t\n"
1050  "sub.s %[t1], %[s2], %[s3] \t\n"
1051  "lwc1 %[in1], 17*4(%[win]) \t\n"
1052  "lwc1 %[in2], 4*17*4(%[buf]) \t\n"
1053  "lwc1 %[in3], 0(%[win]) \t\n"
1054  "lwc1 %[in4], 0(%[buf]) \t\n"
1055  "lwc1 %[in5], 37*4(%[win]) \t\n"
1056  "lwc1 %[in6], 20*4(%[win]) \t\n"
1057  "madd.s %[out1], %[in2], %[in1], %[t1] \t\n"
1058  "lwc1 %[in1], 6*4(%[tmp]) \t\n"
1059  "madd.s %[out2], %[in4], %[in3], %[t1] \t\n"
1060  "mul.s %[out3], %[t0], %[in5] \t\n"
1061  "mul.s %[out4], %[t0], %[in6] \t\n"
1062  "swc1 %[out1], 544*4(%[out]) \t\n"
1063  "lwc1 %[in2], 4*4(%[tmp]) \t\n"
1064  "swc1 %[out2], 0(%[out]) \t\n"
1065  "swc1 %[out3], 4*17*4(%[buf]) \t\n"
1066  "swc1 %[out4], 0(%[buf]) \t\n"
1067  "lwc1 %[in3], 7*4(%[tmp]) \t\n"
1068  "add.s %[s0], %[in1], %[in2] \t\n"
1069  "sub.s %[s2], %[in1], %[in2] \t\n"
1070  "lwc1 %[in4], 5*4(%[tmp]) \t\n"
1071  "add.s %[s1], %[in3], %[in4] \t\n"
1072  "sub.s %[s3], %[in3], %[in4] \t\n"
1073  "lwc1 %[in1], 10*4(%[win]) \t\n"
1074  "lwc1 %[in2], 4*10*4(%[buf]) \t\n"
1075  "lwc1 %[in3], 7*4(%[win]) \t\n"
1076  "mul.s %[s1], %[s1], %[f3] \t\n"
1077  "mul.s %[s3], %[s3], %[f4] \t\n"
1078  "add.s %[t0], %[s0], %[s1] \t\n"
1079  "sub.s %[t1], %[s0], %[s1] \t\n"
1080  "lwc1 %[in4], 4*7*4(%[buf]) \t\n"
1081  "lwc1 %[in5], 30*4(%[win]) \t\n"
1082  "lwc1 %[in6], 27*4(%[win]) \t\n"
1083  "madd.s %[out1], %[in2], %[in1], %[t1] \t\n"
1084  "madd.s %[out2], %[in4], %[in3], %[t1] \t\n"
1085  "mul.s %[out3], %[t0], %[in5] \t\n"
1086  "mul.s %[out4], %[t0], %[in6] \t\n"
1087  "add.s %[t0], %[s2], %[s3] \t\n"
1088  "swc1 %[out1], 320*4(%[out]) \t\n"
1089  "swc1 %[out2], 224*4(%[out]) \t\n"
1090  "swc1 %[out3], 4*10*4(%[buf]) \t\n"
1091  "swc1 %[out4], 4*7*4(%[buf]) \t\n"
1092  "sub.s %[t1], %[s2], %[s3] \t\n"
1093  "lwc1 %[in1], 16*4(%[win]) \t\n"
1094  "lwc1 %[in2], 4*16*4(%[buf]) \t\n"
1095  "lwc1 %[in3], 1*4(%[win]) \t\n"
1096  "lwc1 %[in4], 4*1*4(%[buf]) \t\n"
1097  "lwc1 %[in5], 36*4(%[win]) \t\n"
1098  "lwc1 %[in6], 21*4(%[win]) \t\n"
1099  "madd.s %[out1], %[in2], %[in1], %[t1] \t\n"
1100  "lwc1 %[in1], 10*4(%[tmp]) \t\n"
1101  "madd.s %[out2], %[in4], %[in3], %[t1] \t\n"
1102  "mul.s %[out3], %[in5], %[t0] \t\n"
1103  "mul.s %[out4], %[in6], %[t0] \t\n"
1104  "swc1 %[out1], 512*4(%[out]) \t\n"
1105  "lwc1 %[in2], 8*4(%[tmp]) \t\n"
1106  "swc1 %[out2], 32*4(%[out]) \t\n"
1107  "swc1 %[out3], 4*16*4(%[buf]) \t\n"
1108  "swc1 %[out4], 4*1*4(%[buf]) \t\n"
1109  "add.s %[s0], %[in1], %[in2] \t\n"
1110  "sub.s %[s2], %[in1], %[in2] \t\n"
1111  "lwc1 %[in3], 11*4(%[tmp]) \t\n"
1112  "lwc1 %[in4], 9*4(%[tmp]) \t\n"
1113  "add.s %[s1], %[in3], %[in4] \t\n"
1114  "sub.s %[s3], %[in3], %[in4] \t\n"
1115  "lwc1 %[in1], 11*4(%[win]) \t\n"
1116  "lwc1 %[in2], 4*11*4(%[buf]) \t\n"
1117  "lwc1 %[in3], 6*4(%[win]) \t\n"
1118  "mul.s %[s1], %[s1], %[f5] \t\n"
1119  "mul.s %[s3], %[s3], %[f6] \t\n"
1120  "lwc1 %[in4], 4*6*4(%[buf]) \t\n"
1121  "lwc1 %[in5], 31*4(%[win]) \t\n"
1122  "lwc1 %[in6], 26*4(%[win]) \t\n"
1123  "add.s %[t0], %[s0], %[s1] \t\n"
1124  "sub.s %[t1], %[s0], %[s1] \t\n"
1125  "mul.s %[out3], %[t0], %[in5] \t\n"
1126  "mul.s %[out4], %[t0], %[in6] \t\n"
1127  "add.s %[t0], %[s2], %[s3] \t\n"
1128  "madd.s %[out1], %[in2], %[in1], %[t1] \t\n"
1129  "madd.s %[out2], %[in4], %[in3], %[t1] \t\n"
1130  "swc1 %[out3], 4*11*4(%[buf]) \t\n"
1131  "swc1 %[out4], 4*6*4(%[buf]) \t\n"
1132  "sub.s %[t1], %[s2], %[s3] \t\n"
1133  "swc1 %[out1], 352*4(%[out]) \t\n"
1134  "swc1 %[out2], 192*4(%[out]) \t\n"
1135  "lwc1 %[in1], 15*4(%[win]) \t\n"
1136  "lwc1 %[in2], 4*15*4(%[buf]) \t\n"
1137  "lwc1 %[in3], 2*4(%[win]) \t\n"
1138  "lwc1 %[in4], 4*2*4(%[buf]) \t\n"
1139  "lwc1 %[in5], 35*4(%[win]) \t\n"
1140  "lwc1 %[in6], 22*4(%[win]) \t\n"
1141  "madd.s %[out1], %[in2], %[in1], %[t1] \t\n"
1142  "lwc1 %[in1], 14*4(%[tmp]) \t\n"
1143  "madd.s %[out2], %[in4], %[in3], %[t1] \t\n"
1144  "mul.s %[out3], %[t0], %[in5] \t\n"
1145  "mul.s %[out4], %[t0], %[in6] \t\n"
1146  "swc1 %[out1], 480*4(%[out]) \t\n"
1147  "lwc1 %[in2], 12*4(%[tmp]) \t\n"
1148  "swc1 %[out2], 64*4(%[out]) \t\n"
1149  "swc1 %[out3], 4*15*4(%[buf]) \t\n"
1150  "swc1 %[out4], 4*2*4(%[buf]) \t\n"
1151  "lwc1 %[in3], 15*4(%[tmp]) \t\n"
1152  "add.s %[s0], %[in1], %[in2] \t\n"
1153  "sub.s %[s2], %[in1], %[in2] \t\n"
1154  "lwc1 %[in4], 13*4(%[tmp]) \t\n"
1155  "add.s %[s1], %[in3], %[in4] \t\n"
1156  "sub.s %[s3], %[in3], %[in4] \t\n"
1157  "lwc1 %[in1], 12*4(%[win]) \t\n"
1158  "lwc1 %[in2], 4*12*4(%[buf]) \t\n"
1159  "lwc1 %[in3], 5*4(%[win]) \t\n"
1160  "mul.s %[s1], %[s1], %[f7] \t\n"
1161  "mul.s %[s3], %[s3], %[f8] \t\n"
1162  "lwc1 %[in4], 4*5*4(%[buf]) \t\n"
1163  "lwc1 %[in5], 32*4(%[win]) \t\n"
1164  "lwc1 %[in6], 25*4(%[win]) \t\n"
1165  "add.s %[t0], %[s0], %[s1] \t\n"
1166  "sub.s %[t1], %[s0], %[s1] \t\n"
1167  "lwc1 %[s0], 16*4(%[tmp]) \t\n"
1168  "lwc1 %[s1], 17*4(%[tmp]) \t\n"
1169  "mul.s %[out3], %[t0], %[in5] \t\n"
1170  "madd.s %[out1], %[in2], %[in1], %[t1] \t\n"
1171  "madd.s %[out2], %[in4], %[in3], %[t1] \t\n"
1172  "mul.s %[out4], %[t0], %[in6] \t\n"
1173  "add.s %[t0], %[s2], %[s3] \t\n"
1174  "swc1 %[out3], 4*12*4(%[buf]) \t\n"
1175  "swc1 %[out1], 384*4(%[out]) \t\n"
1176  "swc1 %[out2], 160*4(%[out]) \t\n"
1177  "swc1 %[out4], 4*5*4(%[buf]) \t\n"
1178  "sub.s %[t1], %[s2], %[s3] \t\n"
1179  "lwc1 %[in1], 14*4(%[win]) \t\n"
1180  "lwc1 %[in2], 4*14*4(%[buf]) \t\n"
1181  "lwc1 %[in3], 3*4(%[win]) \t\n"
1182  "lwc1 %[in4], 4*3*4(%[buf]) \t\n"
1183  "lwc1 %[in5], 34*4(%[win]) \t\n"
1184  "lwc1 %[in6], 23*4(%[win]) \t\n"
1185  "madd.s %[out1], %[in2], %[in1], %[t1] \t\n"
1186  "mul.s %[s1], %[s1], %[f9] \t\n"
1187  "madd.s %[out2], %[in4], %[in3], %[t1] \t\n"
1188  "mul.s %[out3], %[in5], %[t0] \t\n"
1189  "mul.s %[out4], %[in6], %[t0] \t\n"
1190  "swc1 %[out1], 448*4(%[out]) \t\n"
1191  "add.s %[t0], %[s0], %[s1] \t\n"
1192  "swc1 %[out2], 96*4(%[out]) \t\n"
1193  "swc1 %[out3], 4*14*4(%[buf]) \t\n"
1194  "swc1 %[out4], 4*3*4(%[buf]) \t\n"
1195  "sub.s %[t1], %[s0], %[s1] \t\n"
1196  "lwc1 %[in1], 13*4(%[win]) \t\n"
1197  "lwc1 %[in2], 4*13*4(%[buf]) \t\n"
1198  "lwc1 %[in3], 4*4(%[win]) \t\n"
1199  "lwc1 %[in4], 4*4*4(%[buf]) \t\n"
1200  "lwc1 %[in5], 33*4(%[win]) \t\n"
1201  "lwc1 %[in6], 24*4(%[win]) \t\n"
1202  "madd.s %[out1], %[in2], %[in1], %[t1] \t\n"
1203  "madd.s %[out2], %[in4], %[in3], %[t1] \t\n"
1204  "mul.s %[out3], %[t0], %[in5] \t\n"
1205  "mul.s %[out4], %[t0], %[in6] \t\n"
1206  "swc1 %[out1], 416*4(%[out]) \t\n"
1207  "swc1 %[out2], 128*4(%[out]) \t\n"
1208  "swc1 %[out3], 4*13*4(%[buf]) \t\n"
1209  "swc1 %[out4], 4*4*4(%[buf]) \t\n"
1210 
1211  : [in1] "=&f" (in1), [in2] "=&f" (in2),
1212  [in3] "=&f" (in3), [in4] "=&f" (in4),
1213  [in5] "=&f" (in5), [in6] "=&f" (in6),
1214  [out1] "=&f" (out1), [out2] "=&f" (out2),
1215  [out3] "=&f" (out3), [out4] "=&f" (out4),
1216  [t0] "=&f" (t0), [t1] "=&f" (t1),
1217  [s0] "=&f" (s0), [s1] "=&f" (s1),
1218  [s2] "=&f" (s2), [s3] "=&f" (s3)
1219  : [tmp] "r" (tmp), [win] "r" (win),
1220  [buf] "r" (buf), [out] "r" (out),
1221  [f1]"f"(f1), [f2]"f"(f2), [f3]"f"(f3), [f4]"f"(f4),
1222  [f5]"f"(f5), [f6]"f"(f6), [f7]"f"(f7), [f8]"f"(f8), [f9]"f"(f9)
1223  : "memory"
1224  );
1225 }
1226 
1227 static void ff_imdct36_blocks_mips_float(float *out, float *buf, float *in,
1228  int count, int switch_point, int block_type)
1229 {
1230  int j;
1231  for (j=0 ; j < count; j++) {
1232  /* apply window & overlap with previous buffer */
1233 
1234  /* select window */
1235  int win_idx = (switch_point && j < 2) ? 0 : block_type;
1236  float *win = ff_mdct_win_float[win_idx + (4 & -(j & 1))];
1237 
1238  imdct36_mips_float(out, buf, in, win);
1239 
1240  in += 18;
1241  buf += ((j&3) != 3 ? 1 : (72-3));
1242  out++;
1243  }
1244 }
1245 
1246 #endif /* !HAVE_MIPS32R6 && !HAVE_MIPS64R6 */
1247 #endif /* HAVE_INLINE_ASM && HAVE_MIPSFPU */
1248 
1250 {
1251 #if HAVE_INLINE_ASM && HAVE_MIPSFPU
1252 #if !HAVE_MIPS32R6 && !HAVE_MIPS64R6
1253  s->apply_window_float = ff_mpadsp_apply_window_mips_float;
1254  s->imdct36_blocks_float = ff_imdct36_blocks_mips_float;
1255  s->dct32_float = ff_dct32_mips_float;
1256 #endif
1257 #endif
1258 }
out
FILE * out
Definition: movenc.c:55
tmp
static uint8_t tmp[11]
Definition: aes_ctr.c:28
w
uint8_t w
Definition: llviddspenc.c:38
MPADSPContext
Definition: mpegaudiodsp.h:28
asmdefs.h
win
static float win(SuperEqualizerContext *s, float n, int N)
Definition: af_superequalizer.c:120
window
static SDL_Window * window
Definition: ffplay.c:361
tab
static const struct twinvq_data tab
Definition: twinvq_data.h:10345
s
#define s(width, name)
Definition: cbs_vp9.c:198
PTR_SUBU
#define PTR_SUBU
Definition: asmdefs.h:52
__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:49
ff_mpadsp_init_mipsfpu
void ff_mpadsp_init_mipsfpu(MPADSPContext *s)
Definition: mpegaudiodsp_mips_float.c:1249
PTR_ADDIU
#define PTR_ADDIU
Definition: asmdefs.h:50
samples
Filter the word “frame” indicates either a video frame or a group of audio samples
Definition: filter_design.txt:8
mpegaudiodsp.h
ff_mdct_win_float
float ff_mdct_win_float[8][MDCT_BUF_SIZE]