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sbrdsp_mips.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  * Authors: Darko Laus (darko@mips.com)
30  * Djordje Pesut (djordje@mips.com)
31  * Mirjana Vulin (mvulin@mips.com)
32  *
33  * AAC Spectral Band Replication decoding functions optimized for MIPS
34  *
35  * This file is part of FFmpeg.
36  *
37  * FFmpeg is free software; you can redistribute it and/or
38  * modify it under the terms of the GNU Lesser General Public
39  * License as published by the Free Software Foundation; either
40  * version 2.1 of the License, or (at your option) any later version.
41  *
42  * FFmpeg is distributed in the hope that it will be useful,
43  * but WITHOUT ANY WARRANTY; without even the implied warranty of
44  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
45  * Lesser General Public License for more details.
46  *
47  * You should have received a copy of the GNU Lesser General Public
48  * License along with FFmpeg; if not, write to the Free Software
49  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
50  */
51 
52 /**
53  * @file
54  * Reference: libavcodec/sbrdsp.c
55  */
56 
57 #include "config.h"
58 #include "libavcodec/sbrdsp.h"
59 
60 #if HAVE_INLINE_ASM
61 static void sbr_neg_odd_64_mips(float *x)
62 {
63  int Temp1, Temp2, Temp3, Temp4, Temp5;
64  float *x1 = &x[1];
65  float *x_end = x1 + 64;
66 
67  /* loop unrolled 4 times */
68  __asm__ volatile (
69  "lui %[Temp5], 0x8000 \n\t"
70  "1: \n\t"
71  "lw %[Temp1], 0(%[x1]) \n\t"
72  "lw %[Temp2], 8(%[x1]) \n\t"
73  "lw %[Temp3], 16(%[x1]) \n\t"
74  "lw %[Temp4], 24(%[x1]) \n\t"
75  "xor %[Temp1], %[Temp1], %[Temp5] \n\t"
76  "xor %[Temp2], %[Temp2], %[Temp5] \n\t"
77  "xor %[Temp3], %[Temp3], %[Temp5] \n\t"
78  "xor %[Temp4], %[Temp4], %[Temp5] \n\t"
79  "sw %[Temp1], 0(%[x1]) \n\t"
80  "sw %[Temp2], 8(%[x1]) \n\t"
81  "sw %[Temp3], 16(%[x1]) \n\t"
82  "sw %[Temp4], 24(%[x1]) \n\t"
83  "addiu %[x1], %[x1], 32 \n\t"
84  "bne %[x1], %[x_end], 1b \n\t"
85 
86  : [Temp1]"=&r"(Temp1), [Temp2]"=&r"(Temp2),
87  [Temp3]"=&r"(Temp3), [Temp4]"=&r"(Temp4),
88  [Temp5]"=&r"(Temp5), [x1]"+r"(x1)
89  : [x_end]"r"(x_end)
90  : "memory"
91  );
92 }
93 
94 static void sbr_qmf_pre_shuffle_mips(float *z)
95 {
96  int Temp1, Temp2, Temp3, Temp4, Temp5, Temp6;
97  float *z1 = &z[66];
98  float *z2 = &z[59];
99  float *z3 = &z[2];
100  float *z4 = z1 + 60;
101 
102  /* loop unrolled 5 times */
103  __asm__ volatile (
104  "lui %[Temp6], 0x8000 \n\t"
105  "1: \n\t"
106  "lw %[Temp1], 0(%[z2]) \n\t"
107  "lw %[Temp2], 4(%[z2]) \n\t"
108  "lw %[Temp3], 8(%[z2]) \n\t"
109  "lw %[Temp4], 12(%[z2]) \n\t"
110  "lw %[Temp5], 16(%[z2]) \n\t"
111  "xor %[Temp1], %[Temp1], %[Temp6] \n\t"
112  "xor %[Temp2], %[Temp2], %[Temp6] \n\t"
113  "xor %[Temp3], %[Temp3], %[Temp6] \n\t"
114  "xor %[Temp4], %[Temp4], %[Temp6] \n\t"
115  "xor %[Temp5], %[Temp5], %[Temp6] \n\t"
116  "addiu %[z2], %[z2], -20 \n\t"
117  "sw %[Temp1], 32(%[z1]) \n\t"
118  "sw %[Temp2], 24(%[z1]) \n\t"
119  "sw %[Temp3], 16(%[z1]) \n\t"
120  "sw %[Temp4], 8(%[z1]) \n\t"
121  "sw %[Temp5], 0(%[z1]) \n\t"
122  "lw %[Temp1], 0(%[z3]) \n\t"
123  "lw %[Temp2], 4(%[z3]) \n\t"
124  "lw %[Temp3], 8(%[z3]) \n\t"
125  "lw %[Temp4], 12(%[z3]) \n\t"
126  "lw %[Temp5], 16(%[z3]) \n\t"
127  "sw %[Temp1], 4(%[z1]) \n\t"
128  "sw %[Temp2], 12(%[z1]) \n\t"
129  "sw %[Temp3], 20(%[z1]) \n\t"
130  "sw %[Temp4], 28(%[z1]) \n\t"
131  "sw %[Temp5], 36(%[z1]) \n\t"
132  "addiu %[z3], %[z3], 20 \n\t"
133  "addiu %[z1], %[z1], 40 \n\t"
134  "bne %[z1], %[z4], 1b \n\t"
135  "lw %[Temp1], 132(%[z]) \n\t"
136  "lw %[Temp2], 128(%[z]) \n\t"
137  "lw %[Temp3], 0(%[z]) \n\t"
138  "lw %[Temp4], 4(%[z]) \n\t"
139  "xor %[Temp1], %[Temp1], %[Temp6] \n\t"
140  "sw %[Temp1], 504(%[z]) \n\t"
141  "sw %[Temp2], 508(%[z]) \n\t"
142  "sw %[Temp3], 256(%[z]) \n\t"
143  "sw %[Temp4], 260(%[z]) \n\t"
144 
145  : [Temp1]"=&r"(Temp1), [Temp2]"=&r"(Temp2),
146  [Temp3]"=&r"(Temp3), [Temp4]"=&r"(Temp4),
147  [Temp5]"=&r"(Temp5), [Temp6]"=&r"(Temp6),
148  [z1]"+r"(z1), [z2]"+r"(z2), [z3]"+r"(z3)
149  : [z4]"r"(z4), [z]"r"(z)
150  : "memory"
151  );
152 }
153 
154 static void sbr_qmf_post_shuffle_mips(float W[32][2], const float *z)
155 {
156  int Temp1, Temp2, Temp3, Temp4, Temp5;
157  float *W_ptr = (float *)W;
158  float *z1 = (float *)z;
159  float *z2 = (float *)&z[60];
160  float *z_end = z1 + 32;
161 
162  /* loop unrolled 4 times */
163  __asm__ volatile (
164  "lui %[Temp5], 0x8000 \n\t"
165  "1: \n\t"
166  "lw %[Temp1], 0(%[z2]) \n\t"
167  "lw %[Temp2], 4(%[z2]) \n\t"
168  "lw %[Temp3], 8(%[z2]) \n\t"
169  "lw %[Temp4], 12(%[z2]) \n\t"
170  "xor %[Temp1], %[Temp1], %[Temp5] \n\t"
171  "xor %[Temp2], %[Temp2], %[Temp5] \n\t"
172  "xor %[Temp3], %[Temp3], %[Temp5] \n\t"
173  "xor %[Temp4], %[Temp4], %[Temp5] \n\t"
174  "addiu %[z2], %[z2], -16 \n\t"
175  "sw %[Temp1], 24(%[W_ptr]) \n\t"
176  "sw %[Temp2], 16(%[W_ptr]) \n\t"
177  "sw %[Temp3], 8(%[W_ptr]) \n\t"
178  "sw %[Temp4], 0(%[W_ptr]) \n\t"
179  "lw %[Temp1], 0(%[z1]) \n\t"
180  "lw %[Temp2], 4(%[z1]) \n\t"
181  "lw %[Temp3], 8(%[z1]) \n\t"
182  "lw %[Temp4], 12(%[z1]) \n\t"
183  "sw %[Temp1], 4(%[W_ptr]) \n\t"
184  "sw %[Temp2], 12(%[W_ptr]) \n\t"
185  "sw %[Temp3], 20(%[W_ptr]) \n\t"
186  "sw %[Temp4], 28(%[W_ptr]) \n\t"
187  "addiu %[z1], %[z1], 16 \n\t"
188  "addiu %[W_ptr], %[W_ptr], 32 \n\t"
189  "bne %[z1], %[z_end], 1b \n\t"
190 
191  : [Temp1]"=&r"(Temp1), [Temp2]"=&r"(Temp2),
192  [Temp3]"=&r"(Temp3), [Temp4]"=&r"(Temp4),
193  [Temp5]"=&r"(Temp5), [z1]"+r"(z1),
194  [z2]"+r"(z2), [W_ptr]"+r"(W_ptr)
195  : [z_end]"r"(z_end)
196  : "memory"
197  );
198 }
199 
200 #if HAVE_MIPSFPU
201 static void sbr_sum64x5_mips(float *z)
202 {
203  int k;
204  float *z1;
205  float f1, f2, f3, f4, f5, f6, f7, f8;
206  for (k = 0; k < 64; k += 8) {
207 
208  z1 = &z[k];
209 
210  /* loop unrolled 8 times */
211  __asm__ volatile (
212  "lwc1 $f0, 0(%[z1]) \n\t"
213  "lwc1 $f1, 256(%[z1]) \n\t"
214  "lwc1 $f2, 4(%[z1]) \n\t"
215  "lwc1 $f3, 260(%[z1]) \n\t"
216  "lwc1 $f4, 8(%[z1]) \n\t"
217  "add.s %[f1], $f0, $f1 \n\t"
218  "lwc1 $f5, 264(%[z1]) \n\t"
219  "add.s %[f2], $f2, $f3 \n\t"
220  "lwc1 $f6, 12(%[z1]) \n\t"
221  "lwc1 $f7, 268(%[z1]) \n\t"
222  "add.s %[f3], $f4, $f5 \n\t"
223  "lwc1 $f8, 16(%[z1]) \n\t"
224  "lwc1 $f9, 272(%[z1]) \n\t"
225  "add.s %[f4], $f6, $f7 \n\t"
226  "lwc1 $f10, 20(%[z1]) \n\t"
227  "lwc1 $f11, 276(%[z1]) \n\t"
228  "add.s %[f5], $f8, $f9 \n\t"
229  "lwc1 $f12, 24(%[z1]) \n\t"
230  "lwc1 $f13, 280(%[z1]) \n\t"
231  "add.s %[f6], $f10, $f11 \n\t"
232  "lwc1 $f14, 28(%[z1]) \n\t"
233  "lwc1 $f15, 284(%[z1]) \n\t"
234  "add.s %[f7], $f12, $f13 \n\t"
235  "lwc1 $f0, 512(%[z1]) \n\t"
236  "lwc1 $f1, 516(%[z1]) \n\t"
237  "add.s %[f8], $f14, $f15 \n\t"
238  "lwc1 $f2, 520(%[z1]) \n\t"
239  "add.s %[f1], %[f1], $f0 \n\t"
240  "add.s %[f2], %[f2], $f1 \n\t"
241  "lwc1 $f3, 524(%[z1]) \n\t"
242  "add.s %[f3], %[f3], $f2 \n\t"
243  "lwc1 $f4, 528(%[z1]) \n\t"
244  "lwc1 $f5, 532(%[z1]) \n\t"
245  "add.s %[f4], %[f4], $f3 \n\t"
246  "lwc1 $f6, 536(%[z1]) \n\t"
247  "add.s %[f5], %[f5], $f4 \n\t"
248  "add.s %[f6], %[f6], $f5 \n\t"
249  "lwc1 $f7, 540(%[z1]) \n\t"
250  "add.s %[f7], %[f7], $f6 \n\t"
251  "lwc1 $f0, 768(%[z1]) \n\t"
252  "lwc1 $f1, 772(%[z1]) \n\t"
253  "add.s %[f8], %[f8], $f7 \n\t"
254  "lwc1 $f2, 776(%[z1]) \n\t"
255  "add.s %[f1], %[f1], $f0 \n\t"
256  "add.s %[f2], %[f2], $f1 \n\t"
257  "lwc1 $f3, 780(%[z1]) \n\t"
258  "add.s %[f3], %[f3], $f2 \n\t"
259  "lwc1 $f4, 784(%[z1]) \n\t"
260  "lwc1 $f5, 788(%[z1]) \n\t"
261  "add.s %[f4], %[f4], $f3 \n\t"
262  "lwc1 $f6, 792(%[z1]) \n\t"
263  "add.s %[f5], %[f5], $f4 \n\t"
264  "add.s %[f6], %[f6], $f5 \n\t"
265  "lwc1 $f7, 796(%[z1]) \n\t"
266  "add.s %[f7], %[f7], $f6 \n\t"
267  "lwc1 $f0, 1024(%[z1]) \n\t"
268  "lwc1 $f1, 1028(%[z1]) \n\t"
269  "add.s %[f8], %[f8], $f7 \n\t"
270  "lwc1 $f2, 1032(%[z1]) \n\t"
271  "add.s %[f1], %[f1], $f0 \n\t"
272  "add.s %[f2], %[f2], $f1 \n\t"
273  "lwc1 $f3, 1036(%[z1]) \n\t"
274  "add.s %[f3], %[f3], $f2 \n\t"
275  "lwc1 $f4, 1040(%[z1]) \n\t"
276  "lwc1 $f5, 1044(%[z1]) \n\t"
277  "add.s %[f4], %[f4], $f3 \n\t"
278  "lwc1 $f6, 1048(%[z1]) \n\t"
279  "add.s %[f5], %[f5], $f4 \n\t"
280  "add.s %[f6], %[f6], $f5 \n\t"
281  "lwc1 $f7, 1052(%[z1]) \n\t"
282  "add.s %[f7], %[f7], $f6 \n\t"
283  "swc1 %[f1], 0(%[z1]) \n\t"
284  "swc1 %[f2], 4(%[z1]) \n\t"
285  "add.s %[f8], %[f8], $f7 \n\t"
286  "swc1 %[f3], 8(%[z1]) \n\t"
287  "swc1 %[f4], 12(%[z1]) \n\t"
288  "swc1 %[f5], 16(%[z1]) \n\t"
289  "swc1 %[f6], 20(%[z1]) \n\t"
290  "swc1 %[f7], 24(%[z1]) \n\t"
291  "swc1 %[f8], 28(%[z1]) \n\t"
292 
293  : [f1]"=&f"(f1), [f2]"=&f"(f2), [f3]"=&f"(f3),
294  [f4]"=&f"(f4), [f5]"=&f"(f5), [f6]"=&f"(f6),
295  [f7]"=&f"(f7), [f8]"=&f"(f8)
296  : [z1]"r"(z1)
297  : "$f0", "$f1", "$f2", "$f3", "$f4", "$f5",
298  "$f6", "$f7", "$f8", "$f9", "$f10", "$f11",
299  "$f12", "$f13", "$f14", "$f15",
300  "memory"
301  );
302  }
303 }
304 
305 static float sbr_sum_square_mips(float (*x)[2], int n)
306 {
307  float sum0 = 0.0f, sum1 = 0.0f;
308  float *p_x;
309  float temp0, temp1, temp2, temp3;
310  float *loop_end;
311  p_x = &x[0][0];
312  loop_end = p_x + (n >> 1)*4 - 4;
313 
314  __asm__ volatile (
315  ".set push \n\t"
316  ".set noreorder \n\t"
317  "lwc1 %[temp0], 0(%[p_x]) \n\t"
318  "lwc1 %[temp1], 4(%[p_x]) \n\t"
319  "lwc1 %[temp2], 8(%[p_x]) \n\t"
320  "lwc1 %[temp3], 12(%[p_x]) \n\t"
321  "1: \n\t"
322  "addiu %[p_x], %[p_x], 16 \n\t"
323  "madd.s %[sum0], %[sum0], %[temp0], %[temp0] \n\t"
324  "lwc1 %[temp0], 0(%[p_x]) \n\t"
325  "madd.s %[sum1], %[sum1], %[temp1], %[temp1] \n\t"
326  "lwc1 %[temp1], 4(%[p_x]) \n\t"
327  "madd.s %[sum0], %[sum0], %[temp2], %[temp2] \n\t"
328  "lwc1 %[temp2], 8(%[p_x]) \n\t"
329  "madd.s %[sum1], %[sum1], %[temp3], %[temp3] \n\t"
330  "bne %[p_x], %[loop_end], 1b \n\t"
331  " lwc1 %[temp3], 12(%[p_x]) \n\t"
332  "madd.s %[sum0], %[sum0], %[temp0], %[temp0] \n\t"
333  "madd.s %[sum1], %[sum1], %[temp1], %[temp1] \n\t"
334  "madd.s %[sum0], %[sum0], %[temp2], %[temp2] \n\t"
335  "madd.s %[sum1], %[sum1], %[temp3], %[temp3] \n\t"
336  ".set pop \n\t"
337 
338  : [temp0]"=&f"(temp0), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
339  [temp3]"=&f"(temp3), [sum0]"+f"(sum0), [sum1]"+f"(sum1),
340  [p_x]"+r"(p_x)
341  : [loop_end]"r"(loop_end)
342  : "memory"
343  );
344  return sum0 + sum1;
345 }
346 
347 static void sbr_qmf_deint_bfly_mips(float *v, const float *src0, const float *src1)
348 {
349  int i;
350  float temp0, temp1, temp2, temp3, temp4, temp5;
351  float temp6, temp7, temp8, temp9, temp10, temp11;
352  float *v0 = v;
353  float *v1 = &v[127];
354  float *psrc0 = (float*)src0;
355  float *psrc1 = (float*)&src1[63];
356 
357  for (i = 0; i < 4; i++) {
358 
359  /* loop unrolled 16 times */
360  __asm__ volatile(
361  "lwc1 %[temp0], 0(%[src0]) \n\t"
362  "lwc1 %[temp1], 0(%[src1]) \n\t"
363  "lwc1 %[temp3], 4(%[src0]) \n\t"
364  "lwc1 %[temp4], -4(%[src1]) \n\t"
365  "lwc1 %[temp6], 8(%[src0]) \n\t"
366  "lwc1 %[temp7], -8(%[src1]) \n\t"
367  "lwc1 %[temp9], 12(%[src0]) \n\t"
368  "lwc1 %[temp10], -12(%[src1]) \n\t"
369  "add.s %[temp2], %[temp0], %[temp1] \n\t"
370  "add.s %[temp5], %[temp3], %[temp4] \n\t"
371  "add.s %[temp8], %[temp6], %[temp7] \n\t"
372  "add.s %[temp11], %[temp9], %[temp10] \n\t"
373  "sub.s %[temp0], %[temp0], %[temp1] \n\t"
374  "sub.s %[temp3], %[temp3], %[temp4] \n\t"
375  "sub.s %[temp6], %[temp6], %[temp7] \n\t"
376  "sub.s %[temp9], %[temp9], %[temp10] \n\t"
377  "swc1 %[temp2], 0(%[v1]) \n\t"
378  "swc1 %[temp0], 0(%[v0]) \n\t"
379  "swc1 %[temp5], -4(%[v1]) \n\t"
380  "swc1 %[temp3], 4(%[v0]) \n\t"
381  "swc1 %[temp8], -8(%[v1]) \n\t"
382  "swc1 %[temp6], 8(%[v0]) \n\t"
383  "swc1 %[temp11], -12(%[v1]) \n\t"
384  "swc1 %[temp9], 12(%[v0]) \n\t"
385  "lwc1 %[temp0], 16(%[src0]) \n\t"
386  "lwc1 %[temp1], -16(%[src1]) \n\t"
387  "lwc1 %[temp3], 20(%[src0]) \n\t"
388  "lwc1 %[temp4], -20(%[src1]) \n\t"
389  "lwc1 %[temp6], 24(%[src0]) \n\t"
390  "lwc1 %[temp7], -24(%[src1]) \n\t"
391  "lwc1 %[temp9], 28(%[src0]) \n\t"
392  "lwc1 %[temp10], -28(%[src1]) \n\t"
393  "add.s %[temp2], %[temp0], %[temp1] \n\t"
394  "add.s %[temp5], %[temp3], %[temp4] \n\t"
395  "add.s %[temp8], %[temp6], %[temp7] \n\t"
396  "add.s %[temp11], %[temp9], %[temp10] \n\t"
397  "sub.s %[temp0], %[temp0], %[temp1] \n\t"
398  "sub.s %[temp3], %[temp3], %[temp4] \n\t"
399  "sub.s %[temp6], %[temp6], %[temp7] \n\t"
400  "sub.s %[temp9], %[temp9], %[temp10] \n\t"
401  "swc1 %[temp2], -16(%[v1]) \n\t"
402  "swc1 %[temp0], 16(%[v0]) \n\t"
403  "swc1 %[temp5], -20(%[v1]) \n\t"
404  "swc1 %[temp3], 20(%[v0]) \n\t"
405  "swc1 %[temp8], -24(%[v1]) \n\t"
406  "swc1 %[temp6], 24(%[v0]) \n\t"
407  "swc1 %[temp11], -28(%[v1]) \n\t"
408  "swc1 %[temp9], 28(%[v0]) \n\t"
409  "lwc1 %[temp0], 32(%[src0]) \n\t"
410  "lwc1 %[temp1], -32(%[src1]) \n\t"
411  "lwc1 %[temp3], 36(%[src0]) \n\t"
412  "lwc1 %[temp4], -36(%[src1]) \n\t"
413  "lwc1 %[temp6], 40(%[src0]) \n\t"
414  "lwc1 %[temp7], -40(%[src1]) \n\t"
415  "lwc1 %[temp9], 44(%[src0]) \n\t"
416  "lwc1 %[temp10], -44(%[src1]) \n\t"
417  "add.s %[temp2], %[temp0], %[temp1] \n\t"
418  "add.s %[temp5], %[temp3], %[temp4] \n\t"
419  "add.s %[temp8], %[temp6], %[temp7] \n\t"
420  "add.s %[temp11], %[temp9], %[temp10] \n\t"
421  "sub.s %[temp0], %[temp0], %[temp1] \n\t"
422  "sub.s %[temp3], %[temp3], %[temp4] \n\t"
423  "sub.s %[temp6], %[temp6], %[temp7] \n\t"
424  "sub.s %[temp9], %[temp9], %[temp10] \n\t"
425  "swc1 %[temp2], -32(%[v1]) \n\t"
426  "swc1 %[temp0], 32(%[v0]) \n\t"
427  "swc1 %[temp5], -36(%[v1]) \n\t"
428  "swc1 %[temp3], 36(%[v0]) \n\t"
429  "swc1 %[temp8], -40(%[v1]) \n\t"
430  "swc1 %[temp6], 40(%[v0]) \n\t"
431  "swc1 %[temp11], -44(%[v1]) \n\t"
432  "swc1 %[temp9], 44(%[v0]) \n\t"
433  "lwc1 %[temp0], 48(%[src0]) \n\t"
434  "lwc1 %[temp1], -48(%[src1]) \n\t"
435  "lwc1 %[temp3], 52(%[src0]) \n\t"
436  "lwc1 %[temp4], -52(%[src1]) \n\t"
437  "lwc1 %[temp6], 56(%[src0]) \n\t"
438  "lwc1 %[temp7], -56(%[src1]) \n\t"
439  "lwc1 %[temp9], 60(%[src0]) \n\t"
440  "lwc1 %[temp10], -60(%[src1]) \n\t"
441  "add.s %[temp2], %[temp0], %[temp1] \n\t"
442  "add.s %[temp5], %[temp3], %[temp4] \n\t"
443  "add.s %[temp8], %[temp6], %[temp7] \n\t"
444  "add.s %[temp11], %[temp9], %[temp10] \n\t"
445  "sub.s %[temp0], %[temp0], %[temp1] \n\t"
446  "sub.s %[temp3], %[temp3], %[temp4] \n\t"
447  "sub.s %[temp6], %[temp6], %[temp7] \n\t"
448  "sub.s %[temp9], %[temp9], %[temp10] \n\t"
449  "swc1 %[temp2], -48(%[v1]) \n\t"
450  "swc1 %[temp0], 48(%[v0]) \n\t"
451  "swc1 %[temp5], -52(%[v1]) \n\t"
452  "swc1 %[temp3], 52(%[v0]) \n\t"
453  "swc1 %[temp8], -56(%[v1]) \n\t"
454  "swc1 %[temp6], 56(%[v0]) \n\t"
455  "swc1 %[temp11], -60(%[v1]) \n\t"
456  "swc1 %[temp9], 60(%[v0]) \n\t"
457  "addiu %[src0], %[src0], 64 \n\t"
458  "addiu %[src1], %[src1], -64 \n\t"
459  "addiu %[v0], %[v0], 64 \n\t"
460  "addiu %[v1], %[v1], -64 \n\t"
461 
462  : [v0]"+r"(v0), [v1]"+r"(v1), [src0]"+r"(psrc0), [src1]"+r"(psrc1),
463  [temp0]"=&f"(temp0), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
464  [temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5),
465  [temp6]"=&f"(temp6), [temp7]"=&f"(temp7), [temp8]"=&f"(temp8),
466  [temp9]"=&f"(temp9), [temp10]"=&f"(temp10), [temp11]"=&f"(temp11)
467  :
468  :"memory"
469  );
470  }
471 }
472 
473 static void sbr_autocorrelate_mips(const float x[40][2], float phi[3][2][2])
474 {
475  int i;
476  float real_sum_0 = 0.0f;
477  float real_sum_1 = 0.0f;
478  float real_sum_2 = 0.0f;
479  float imag_sum_1 = 0.0f;
480  float imag_sum_2 = 0.0f;
481  float *p_x, *p_phi;
482  float temp0, temp1, temp2, temp3, temp4, temp5, temp6;
483  float temp7, temp_r, temp_r1, temp_r2, temp_r3, temp_r4;
484  p_x = (float*)&x[0][0];
485  p_phi = &phi[0][0][0];
486 
487  __asm__ volatile (
488  "lwc1 %[temp0], 8(%[p_x]) \n\t"
489  "lwc1 %[temp1], 12(%[p_x]) \n\t"
490  "lwc1 %[temp2], 16(%[p_x]) \n\t"
491  "lwc1 %[temp3], 20(%[p_x]) \n\t"
492  "lwc1 %[temp4], 24(%[p_x]) \n\t"
493  "lwc1 %[temp5], 28(%[p_x]) \n\t"
494  "mul.s %[temp_r], %[temp1], %[temp1] \n\t"
495  "mul.s %[temp_r1], %[temp1], %[temp3] \n\t"
496  "mul.s %[temp_r2], %[temp1], %[temp2] \n\t"
497  "mul.s %[temp_r3], %[temp1], %[temp5] \n\t"
498  "mul.s %[temp_r4], %[temp1], %[temp4] \n\t"
499  "madd.s %[temp_r], %[temp_r], %[temp0], %[temp0] \n\t"
500  "madd.s %[temp_r1], %[temp_r1], %[temp0], %[temp2] \n\t"
501  "msub.s %[temp_r2], %[temp_r2], %[temp0], %[temp3] \n\t"
502  "madd.s %[temp_r3], %[temp_r3], %[temp0], %[temp4] \n\t"
503  "msub.s %[temp_r4], %[temp_r4], %[temp0], %[temp5] \n\t"
504  "add.s %[real_sum_0], %[real_sum_0], %[temp_r] \n\t"
505  "add.s %[real_sum_1], %[real_sum_1], %[temp_r1] \n\t"
506  "add.s %[imag_sum_1], %[imag_sum_1], %[temp_r2] \n\t"
507  "add.s %[real_sum_2], %[real_sum_2], %[temp_r3] \n\t"
508  "add.s %[imag_sum_2], %[imag_sum_2], %[temp_r4] \n\t"
509  "addiu %[p_x], %[p_x], 8 \n\t"
510 
511  : [temp0]"=&f"(temp0), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
512  [temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5),
513  [real_sum_0]"+f"(real_sum_0), [real_sum_1]"+f"(real_sum_1),
514  [imag_sum_1]"+f"(imag_sum_1), [real_sum_2]"+f"(real_sum_2),
515  [temp_r]"=&f"(temp_r), [temp_r1]"=&f"(temp_r1), [temp_r2]"=&f"(temp_r2),
516  [temp_r3]"=&f"(temp_r3), [temp_r4]"=&f"(temp_r4),
517  [p_x]"+r"(p_x), [imag_sum_2]"+f"(imag_sum_2)
518  :
519  : "memory"
520  );
521 
522  for (i = 0; i < 12; i++) {
523  __asm__ volatile (
524  "lwc1 %[temp0], 8(%[p_x]) \n\t"
525  "lwc1 %[temp1], 12(%[p_x]) \n\t"
526  "lwc1 %[temp2], 16(%[p_x]) \n\t"
527  "lwc1 %[temp3], 20(%[p_x]) \n\t"
528  "lwc1 %[temp4], 24(%[p_x]) \n\t"
529  "lwc1 %[temp5], 28(%[p_x]) \n\t"
530  "mul.s %[temp_r], %[temp1], %[temp1] \n\t"
531  "mul.s %[temp_r1], %[temp1], %[temp3] \n\t"
532  "mul.s %[temp_r2], %[temp1], %[temp2] \n\t"
533  "mul.s %[temp_r3], %[temp1], %[temp5] \n\t"
534  "mul.s %[temp_r4], %[temp1], %[temp4] \n\t"
535  "madd.s %[temp_r], %[temp_r], %[temp0], %[temp0] \n\t"
536  "madd.s %[temp_r1], %[temp_r1], %[temp0], %[temp2] \n\t"
537  "msub.s %[temp_r2], %[temp_r2], %[temp0], %[temp3] \n\t"
538  "madd.s %[temp_r3], %[temp_r3], %[temp0], %[temp4] \n\t"
539  "msub.s %[temp_r4], %[temp_r4], %[temp0], %[temp5] \n\t"
540  "add.s %[real_sum_0], %[real_sum_0], %[temp_r] \n\t"
541  "add.s %[real_sum_1], %[real_sum_1], %[temp_r1] \n\t"
542  "add.s %[imag_sum_1], %[imag_sum_1], %[temp_r2] \n\t"
543  "add.s %[real_sum_2], %[real_sum_2], %[temp_r3] \n\t"
544  "add.s %[imag_sum_2], %[imag_sum_2], %[temp_r4] \n\t"
545  "lwc1 %[temp0], 32(%[p_x]) \n\t"
546  "lwc1 %[temp1], 36(%[p_x]) \n\t"
547  "mul.s %[temp_r], %[temp3], %[temp3] \n\t"
548  "mul.s %[temp_r1], %[temp3], %[temp5] \n\t"
549  "mul.s %[temp_r2], %[temp3], %[temp4] \n\t"
550  "mul.s %[temp_r3], %[temp3], %[temp1] \n\t"
551  "mul.s %[temp_r4], %[temp3], %[temp0] \n\t"
552  "madd.s %[temp_r], %[temp_r], %[temp2], %[temp2] \n\t"
553  "madd.s %[temp_r1], %[temp_r1], %[temp2], %[temp4] \n\t"
554  "msub.s %[temp_r2], %[temp_r2], %[temp2], %[temp5] \n\t"
555  "madd.s %[temp_r3], %[temp_r3], %[temp2], %[temp0] \n\t"
556  "msub.s %[temp_r4], %[temp_r4], %[temp2], %[temp1] \n\t"
557  "add.s %[real_sum_0], %[real_sum_0], %[temp_r] \n\t"
558  "add.s %[real_sum_1], %[real_sum_1], %[temp_r1] \n\t"
559  "add.s %[imag_sum_1], %[imag_sum_1], %[temp_r2] \n\t"
560  "add.s %[real_sum_2], %[real_sum_2], %[temp_r3] \n\t"
561  "add.s %[imag_sum_2], %[imag_sum_2], %[temp_r4] \n\t"
562  "lwc1 %[temp2], 40(%[p_x]) \n\t"
563  "lwc1 %[temp3], 44(%[p_x]) \n\t"
564  "mul.s %[temp_r], %[temp5], %[temp5] \n\t"
565  "mul.s %[temp_r1], %[temp5], %[temp1] \n\t"
566  "mul.s %[temp_r2], %[temp5], %[temp0] \n\t"
567  "mul.s %[temp_r3], %[temp5], %[temp3] \n\t"
568  "mul.s %[temp_r4], %[temp5], %[temp2] \n\t"
569  "madd.s %[temp_r], %[temp_r], %[temp4], %[temp4] \n\t"
570  "madd.s %[temp_r1], %[temp_r1], %[temp4], %[temp0] \n\t"
571  "msub.s %[temp_r2], %[temp_r2], %[temp4], %[temp1] \n\t"
572  "madd.s %[temp_r3], %[temp_r3], %[temp4], %[temp2] \n\t"
573  "msub.s %[temp_r4], %[temp_r4], %[temp4], %[temp3] \n\t"
574  "add.s %[real_sum_0], %[real_sum_0], %[temp_r] \n\t"
575  "add.s %[real_sum_1], %[real_sum_1], %[temp_r1] \n\t"
576  "add.s %[imag_sum_1], %[imag_sum_1], %[temp_r2] \n\t"
577  "add.s %[real_sum_2], %[real_sum_2], %[temp_r3] \n\t"
578  "add.s %[imag_sum_2], %[imag_sum_2], %[temp_r4] \n\t"
579  "addiu %[p_x], %[p_x], 24 \n\t"
580 
581  : [temp0]"=&f"(temp0), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
582  [temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5),
583  [real_sum_0]"+f"(real_sum_0), [real_sum_1]"+f"(real_sum_1),
584  [imag_sum_1]"+f"(imag_sum_1), [real_sum_2]"+f"(real_sum_2),
585  [temp_r]"=&f"(temp_r), [temp_r1]"=&f"(temp_r1),
586  [temp_r2]"=&f"(temp_r2), [temp_r3]"=&f"(temp_r3),
587  [temp_r4]"=&f"(temp_r4), [p_x]"+r"(p_x),
588  [imag_sum_2]"+f"(imag_sum_2)
589  :
590  : "memory"
591  );
592  }
593  __asm__ volatile (
594  "lwc1 %[temp0], -296(%[p_x]) \n\t"
595  "lwc1 %[temp1], -292(%[p_x]) \n\t"
596  "lwc1 %[temp2], 8(%[p_x]) \n\t"
597  "lwc1 %[temp3], 12(%[p_x]) \n\t"
598  "lwc1 %[temp4], -288(%[p_x]) \n\t"
599  "lwc1 %[temp5], -284(%[p_x]) \n\t"
600  "lwc1 %[temp6], -280(%[p_x]) \n\t"
601  "lwc1 %[temp7], -276(%[p_x]) \n\t"
602  "madd.s %[temp_r], %[real_sum_0], %[temp0], %[temp0] \n\t"
603  "madd.s %[temp_r1], %[real_sum_0], %[temp2], %[temp2] \n\t"
604  "madd.s %[temp_r2], %[real_sum_1], %[temp0], %[temp4] \n\t"
605  "madd.s %[temp_r3], %[imag_sum_1], %[temp0], %[temp5] \n\t"
606  "madd.s %[temp_r], %[temp_r], %[temp1], %[temp1] \n\t"
607  "madd.s %[temp_r1], %[temp_r1], %[temp3], %[temp3] \n\t"
608  "madd.s %[temp_r2], %[temp_r2], %[temp1], %[temp5] \n\t"
609  "nmsub.s %[temp_r3], %[temp_r3], %[temp1], %[temp4] \n\t"
610  "lwc1 %[temp4], 16(%[p_x]) \n\t"
611  "lwc1 %[temp5], 20(%[p_x]) \n\t"
612  "swc1 %[temp_r], 40(%[p_phi]) \n\t"
613  "swc1 %[temp_r1], 16(%[p_phi]) \n\t"
614  "swc1 %[temp_r2], 24(%[p_phi]) \n\t"
615  "swc1 %[temp_r3], 28(%[p_phi]) \n\t"
616  "madd.s %[temp_r], %[real_sum_1], %[temp2], %[temp4] \n\t"
617  "madd.s %[temp_r1], %[imag_sum_1], %[temp2], %[temp5] \n\t"
618  "madd.s %[temp_r2], %[real_sum_2], %[temp0], %[temp6] \n\t"
619  "madd.s %[temp_r3], %[imag_sum_2], %[temp0], %[temp7] \n\t"
620  "madd.s %[temp_r], %[temp_r], %[temp3], %[temp5] \n\t"
621  "nmsub.s %[temp_r1], %[temp_r1], %[temp3], %[temp4] \n\t"
622  "madd.s %[temp_r2], %[temp_r2], %[temp1], %[temp7] \n\t"
623  "nmsub.s %[temp_r3], %[temp_r3], %[temp1], %[temp6] \n\t"
624  "swc1 %[temp_r], 0(%[p_phi]) \n\t"
625  "swc1 %[temp_r1], 4(%[p_phi]) \n\t"
626  "swc1 %[temp_r2], 8(%[p_phi]) \n\t"
627  "swc1 %[temp_r3], 12(%[p_phi]) \n\t"
628 
629  : [temp0]"=&f"(temp0), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
630  [temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5),
631  [temp6]"=&f"(temp6), [temp7]"=&f"(temp7), [temp_r]"=&f"(temp_r),
632  [real_sum_0]"+f"(real_sum_0), [real_sum_1]"+f"(real_sum_1),
633  [real_sum_2]"+f"(real_sum_2), [imag_sum_1]"+f"(imag_sum_1),
634  [temp_r2]"=&f"(temp_r2), [temp_r3]"=&f"(temp_r3),
635  [temp_r1]"=&f"(temp_r1), [p_phi]"+r"(p_phi),
636  [imag_sum_2]"+f"(imag_sum_2)
637  : [p_x]"r"(p_x)
638  : "memory"
639  );
640 }
641 
642 static void sbr_hf_gen_mips(float (*X_high)[2], const float (*X_low)[2],
643  const float alpha0[2], const float alpha1[2],
644  float bw, int start, int end)
645 {
646  float alpha[4];
647  int i;
648  float *p_x_low = (float*)&X_low[0][0] + 2*start;
649  float *p_x_high = &X_high[0][0] + 2*start;
650  float temp0, temp1, temp2, temp3, temp4, temp5, temp6;
651  float temp7, temp8, temp9, temp10, temp11, temp12;
652 
653  alpha[0] = alpha1[0] * bw * bw;
654  alpha[1] = alpha1[1] * bw * bw;
655  alpha[2] = alpha0[0] * bw;
656  alpha[3] = alpha0[1] * bw;
657 
658  for (i = start; i < end; i++) {
659  __asm__ volatile (
660  "lwc1 %[temp0], -16(%[p_x_low]) \n\t"
661  "lwc1 %[temp1], -12(%[p_x_low]) \n\t"
662  "lwc1 %[temp2], -8(%[p_x_low]) \n\t"
663  "lwc1 %[temp3], -4(%[p_x_low]) \n\t"
664  "lwc1 %[temp5], 0(%[p_x_low]) \n\t"
665  "lwc1 %[temp6], 4(%[p_x_low]) \n\t"
666  "lwc1 %[temp7], 0(%[alpha]) \n\t"
667  "lwc1 %[temp8], 4(%[alpha]) \n\t"
668  "lwc1 %[temp9], 8(%[alpha]) \n\t"
669  "lwc1 %[temp10], 12(%[alpha]) \n\t"
670  "addiu %[p_x_high], %[p_x_high], 8 \n\t"
671  "addiu %[p_x_low], %[p_x_low], 8 \n\t"
672  "mul.s %[temp11], %[temp1], %[temp8] \n\t"
673  "msub.s %[temp11], %[temp11], %[temp0], %[temp7] \n\t"
674  "madd.s %[temp11], %[temp11], %[temp2], %[temp9] \n\t"
675  "nmsub.s %[temp11], %[temp11], %[temp3], %[temp10] \n\t"
676  "add.s %[temp11], %[temp11], %[temp5] \n\t"
677  "swc1 %[temp11], -8(%[p_x_high]) \n\t"
678  "mul.s %[temp12], %[temp1], %[temp7] \n\t"
679  "madd.s %[temp12], %[temp12], %[temp0], %[temp8] \n\t"
680  "madd.s %[temp12], %[temp12], %[temp3], %[temp9] \n\t"
681  "madd.s %[temp12], %[temp12], %[temp2], %[temp10] \n\t"
682  "add.s %[temp12], %[temp12], %[temp6] \n\t"
683  "swc1 %[temp12], -4(%[p_x_high]) \n\t"
684 
685  : [temp0]"=&f"(temp0), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
686  [temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5),
687  [temp6]"=&f"(temp6), [temp7]"=&f"(temp7), [temp8]"=&f"(temp8),
688  [temp9]"=&f"(temp9), [temp10]"=&f"(temp10), [temp11]"=&f"(temp11),
689  [temp12]"=&f"(temp12), [p_x_high]"+r"(p_x_high),
690  [p_x_low]"+r"(p_x_low)
691  : [alpha]"r"(alpha)
692  : "memory"
693  );
694  }
695 }
696 
697 static void sbr_hf_g_filt_mips(float (*Y)[2], const float (*X_high)[40][2],
698  const float *g_filt, int m_max, intptr_t ixh)
699 {
700  float *p_y, *p_x, *p_g;
701  float temp0, temp1, temp2;
702  int loop_end;
703 
704  p_g = (float*)&g_filt[0];
705  p_y = &Y[0][0];
706  p_x = (float*)&X_high[0][ixh][0];
707  loop_end = (int)((int*)p_g + m_max);
708 
709  __asm__ volatile(
710  ".set push \n\t"
711  ".set noreorder \n\t"
712  "1: \n\t"
713  "lwc1 %[temp0], 0(%[p_g]) \n\t"
714  "lwc1 %[temp1], 0(%[p_x]) \n\t"
715  "lwc1 %[temp2], 4(%[p_x]) \n\t"
716  "mul.s %[temp1], %[temp1], %[temp0] \n\t"
717  "mul.s %[temp2], %[temp2], %[temp0] \n\t"
718  "addiu %[p_g], %[p_g], 4 \n\t"
719  "addiu %[p_x], %[p_x], 320 \n\t"
720  "swc1 %[temp1], 0(%[p_y]) \n\t"
721  "swc1 %[temp2], 4(%[p_y]) \n\t"
722  "bne %[p_g], %[loop_end], 1b \n\t"
723  " addiu %[p_y], %[p_y], 8 \n\t"
724  ".set pop \n\t"
725 
726  : [temp0]"=&f"(temp0), [temp1]"=&f"(temp1),
727  [temp2]"=&f"(temp2), [p_x]"+r"(p_x),
728  [p_y]"+r"(p_y), [p_g]"+r"(p_g)
729  : [loop_end]"r"(loop_end)
730  : "memory"
731  );
732 }
733 
734 static void sbr_hf_apply_noise_0_mips(float (*Y)[2], const float *s_m,
735  const float *q_filt, int noise,
736  int kx, int m_max)
737 {
738  int m;
739 
740  for (m = 0; m < m_max; m++){
741 
742  float *Y1=&Y[m][0];
743  float *ff_table;
744  float y0,y1, temp1, temp2, temp4, temp5;
745  int temp0, temp3;
746  const float *s_m1=&s_m[m];
747  const float *q_filt1= &q_filt[m];
748 
749  __asm__ volatile(
750  "lwc1 %[y0], 0(%[Y1]) \n\t"
751  "lwc1 %[temp1], 0(%[s_m1]) \n\t"
752  "addiu %[noise], %[noise], 1 \n\t"
753  "andi %[noise], %[noise], 0x1ff \n\t"
754  "sll %[temp0], %[noise], 3 \n\t"
755  "addu %[ff_table], %[ff_sbr_noise_table], %[temp0] \n\t"
756  "add.s %[y0], %[y0], %[temp1] \n\t"
757  "mfc1 %[temp3], %[temp1] \n\t"
758  "bne %[temp3], $0, 1f \n\t"
759  "lwc1 %[y1], 4(%[Y1]) \n\t"
760  "lwc1 %[temp2], 0(%[q_filt1]) \n\t"
761  "lwc1 %[temp4], 0(%[ff_table]) \n\t"
762  "lwc1 %[temp5], 4(%[ff_table]) \n\t"
763  "madd.s %[y0], %[y0], %[temp2], %[temp4] \n\t"
764  "madd.s %[y1], %[y1], %[temp2], %[temp5] \n\t"
765  "swc1 %[y1], 4(%[Y1]) \n\t"
766  "1: \n\t"
767  "swc1 %[y0], 0(%[Y1]) \n\t"
768 
769  : [ff_table]"=&r"(ff_table), [y0]"=&f"(y0), [y1]"=&f"(y1),
770  [temp0]"=&r"(temp0), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
771  [temp3]"=&r"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5)
772  : [ff_sbr_noise_table]"r"(ff_sbr_noise_table), [noise]"r"(noise),
773  [Y1]"r"(Y1), [s_m1]"r"(s_m1), [q_filt1]"r"(q_filt1)
774  : "memory"
775  );
776  }
777 }
778 
779 static void sbr_hf_apply_noise_1_mips(float (*Y)[2], const float *s_m,
780  const float *q_filt, int noise,
781  int kx, int m_max)
782 {
783  float y0,y1,temp1, temp2, temp4, temp5;
784  int temp0, temp3, m;
785  float phi_sign = 1 - 2 * (kx & 1);
786 
787  for (m = 0; m < m_max; m++) {
788 
789  float *ff_table;
790  float *Y1=&Y[m][0];
791  const float *s_m1=&s_m[m];
792  const float *q_filt1= &q_filt[m];
793 
794  __asm__ volatile(
795  "lwc1 %[y1], 4(%[Y1]) \n\t"
796  "lwc1 %[temp1], 0(%[s_m1]) \n\t"
797  "lw %[temp3], 0(%[s_m1]) \n\t"
798  "addiu %[noise], %[noise], 1 \n\t"
799  "andi %[noise], %[noise], 0x1ff \n\t"
800  "sll %[temp0], %[noise], 3 \n\t"
801  "addu %[ff_table], %[ff_sbr_noise_table], %[temp0] \n\t"
802  "madd.s %[y1], %[y1], %[temp1], %[phi_sign] \n\t"
803  "bne %[temp3], $0, 1f \n\t"
804  "lwc1 %[y0], 0(%[Y1]) \n\t"
805  "lwc1 %[temp2], 0(%[q_filt1]) \n\t"
806  "lwc1 %[temp4], 0(%[ff_table]) \n\t"
807  "lwc1 %[temp5], 4(%[ff_table]) \n\t"
808  "madd.s %[y0], %[y0], %[temp2], %[temp4] \n\t"
809  "madd.s %[y1], %[y1], %[temp2], %[temp5] \n\t"
810  "swc1 %[y0], 0(%[Y1]) \n\t"
811  "1: \n\t"
812  "swc1 %[y1], 4(%[Y1]) \n\t"
813 
814  : [ff_table] "=&r" (ff_table), [y0] "=&f" (y0), [y1] "=&f" (y1),
815  [temp0] "=&r" (temp0), [temp1] "=&f" (temp1), [temp2] "=&f" (temp2),
816  [temp3] "=&r" (temp3), [temp4] "=&f" (temp4), [temp5] "=&f" (temp5)
817  : [ff_sbr_noise_table] "r" (ff_sbr_noise_table), [noise] "r" (noise),
818  [Y1] "r" (Y1), [s_m1] "r" (s_m1), [q_filt1] "r" (q_filt1),
819  [phi_sign] "f" (phi_sign)
820  : "memory"
821  );
822  phi_sign = -phi_sign;
823  }
824 }
825 
826 static void sbr_hf_apply_noise_2_mips(float (*Y)[2], const float *s_m,
827  const float *q_filt, int noise,
828  int kx, int m_max)
829 {
830  int m;
831  float *ff_table;
832  float y0,y1, temp0, temp1, temp2, temp3, temp4, temp5;
833 
834  for (m = 0; m < m_max; m++) {
835 
836  float *Y1=&Y[m][0];
837  const float *s_m1=&s_m[m];
838  const float *q_filt1= &q_filt[m];
839 
840  __asm__ volatile(
841  "lwc1 %[y0], 0(%[Y1]) \n\t"
842  "lwc1 %[temp1], 0(%[s_m1]) \n\t"
843  "addiu %[noise], %[noise], 1 \n\t"
844  "andi %[noise], %[noise], 0x1ff \n\t"
845  "sll %[temp0], %[noise], 3 \n\t"
846  "addu %[ff_table], %[ff_sbr_noise_table], %[temp0] \n\t"
847  "sub.s %[y0], %[y0], %[temp1] \n\t"
848  "mfc1 %[temp3], %[temp1] \n\t"
849  "bne %[temp3], $0, 1f \n\t"
850  "lwc1 %[y1], 4(%[Y1]) \n\t"
851  "lwc1 %[temp2], 0(%[q_filt1]) \n\t"
852  "lwc1 %[temp4], 0(%[ff_table]) \n\t"
853  "lwc1 %[temp5], 4(%[ff_table]) \n\t"
854  "madd.s %[y0], %[y0], %[temp2], %[temp4] \n\t"
855  "madd.s %[y1], %[y1], %[temp2], %[temp5] \n\t"
856  "swc1 %[y1], 4(%[Y1]) \n\t"
857  "1: \n\t"
858  "swc1 %[y0], 0(%[Y1]) \n\t"
859 
860  : [temp0]"=&r"(temp0), [ff_table]"=&r"(ff_table), [y0]"=&f"(y0),
861  [y1]"=&f"(y1), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
862  [temp3]"=&r"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5)
863  : [ff_sbr_noise_table]"r"(ff_sbr_noise_table), [noise]"r"(noise),
864  [Y1]"r"(Y1), [s_m1]"r"(s_m1), [q_filt1]"r"(q_filt1)
865  : "memory"
866  );
867  }
868 }
869 
870 static void sbr_hf_apply_noise_3_mips(float (*Y)[2], const float *s_m,
871  const float *q_filt, int noise,
872  int kx, int m_max)
873 {
874  float phi_sign = 1 - 2 * (kx & 1);
875  int m;
876 
877  for (m = 0; m < m_max; m++) {
878 
879  float *Y1=&Y[m][0];
880  float *ff_table;
881  float y0,y1, temp1, temp2, temp4, temp5;
882  int temp0, temp3;
883  const float *s_m1=&s_m[m];
884  const float *q_filt1= &q_filt[m];
885 
886  __asm__ volatile(
887  "lwc1 %[y1], 4(%[Y1]) \n\t"
888  "lwc1 %[temp1], 0(%[s_m1]) \n\t"
889  "addiu %[noise], %[noise], 1 \n\t"
890  "andi %[noise], %[noise], 0x1ff \n\t"
891  "sll %[temp0], %[noise], 3 \n\t"
892  "addu %[ff_table], %[ff_sbr_noise_table], %[temp0] \n\t"
893  "nmsub.s %[y1], %[y1], %[temp1], %[phi_sign] \n\t"
894  "mfc1 %[temp3], %[temp1] \n\t"
895  "bne %[temp3], $0, 1f \n\t"
896  "lwc1 %[y0], 0(%[Y1]) \n\t"
897  "lwc1 %[temp2], 0(%[q_filt1]) \n\t"
898  "lwc1 %[temp4], 0(%[ff_table]) \n\t"
899  "lwc1 %[temp5], 4(%[ff_table]) \n\t"
900  "madd.s %[y0], %[y0], %[temp2], %[temp4] \n\t"
901  "madd.s %[y1], %[y1], %[temp2], %[temp5] \n\t"
902  "swc1 %[y0], 0(%[Y1]) \n\t"
903  "1: \n\t"
904  "swc1 %[y1], 4(%[Y1]) \n\t"
905 
906  : [ff_table]"=&r"(ff_table), [y0]"=&f"(y0), [y1]"=&f"(y1),
907  [temp0]"=&r"(temp0), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
908  [temp3]"=&r"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5)
909  : [ff_sbr_noise_table]"r"(ff_sbr_noise_table), [noise]"r"(noise),
910  [Y1]"r"(Y1), [s_m1]"r"(s_m1), [q_filt1]"r"(q_filt1),
911  [phi_sign]"f"(phi_sign)
912  : "memory"
913  );
914  phi_sign = -phi_sign;
915  }
916 }
917 #endif /* HAVE_MIPSFPU */
918 #endif /* HAVE_INLINE_ASM */
919 
920 void ff_sbrdsp_init_mips(SBRDSPContext *s)
921 {
922 #if HAVE_INLINE_ASM
923  s->neg_odd_64 = sbr_neg_odd_64_mips;
924  s->qmf_pre_shuffle = sbr_qmf_pre_shuffle_mips;
925  s->qmf_post_shuffle = sbr_qmf_post_shuffle_mips;
926 #if HAVE_MIPSFPU
927  s->sum64x5 = sbr_sum64x5_mips;
928  s->sum_square = sbr_sum_square_mips;
929  s->qmf_deint_bfly = sbr_qmf_deint_bfly_mips;
930  s->autocorrelate = sbr_autocorrelate_mips;
931  s->hf_gen = sbr_hf_gen_mips;
932  s->hf_g_filt = sbr_hf_g_filt_mips;
933 
934  s->hf_apply_noise[0] = sbr_hf_apply_noise_0_mips;
935  s->hf_apply_noise[1] = sbr_hf_apply_noise_1_mips;
936  s->hf_apply_noise[2] = sbr_hf_apply_noise_2_mips;
937  s->hf_apply_noise[3] = sbr_hf_apply_noise_3_mips;
938 #endif /* HAVE_MIPSFPU */
939 #endif /* HAVE_INLINE_ASM */
940 }
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