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