1 /*
2 * Copyright (c) 2013 The WebM project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include <assert.h>
12
13 #include "./vpx_config.h"
14 #include "./vp9_rtcd.h"
15 #include "vp9/common/vp9_common.h"
16 #include "vp9/common/vp9_blockd.h"
17 #include "vp9/common/vp9_idct.h"
18 #include "vp9/common/mips/dspr2/vp9_common_dspr2.h"
19
20 #if HAVE_DSPR2
vp9_idct32_cols_add_blk_dspr2(int16_t * input,uint8_t * dest,int dest_stride)21 void vp9_idct32_cols_add_blk_dspr2(int16_t *input, uint8_t *dest,
22 int dest_stride) {
23 int16_t step1_0, step1_1, step1_2, step1_3, step1_4, step1_5, step1_6;
24 int16_t step1_7, step1_8, step1_9, step1_10, step1_11, step1_12, step1_13;
25 int16_t step1_14, step1_15, step1_16, step1_17, step1_18, step1_19;
26 int16_t step1_20, step1_21, step1_22, step1_23, step1_24, step1_25, step1_26;
27 int16_t step1_27, step1_28, step1_29, step1_30, step1_31;
28 int16_t step2_0, step2_1, step2_2, step2_3, step2_4, step2_5, step2_6;
29 int16_t step2_7, step2_8, step2_9, step2_10, step2_11, step2_12, step2_13;
30 int16_t step2_14, step2_15, step2_16, step2_17, step2_18, step2_19, step2_20;
31 int16_t step2_21, step2_22, step2_23, step2_24, step2_25, step2_26, step2_27;
32 int16_t step2_28, step2_29, step2_30, step2_31;
33 int16_t step3_8, step3_9, step3_10, step3_11, step3_12, step3_13, step3_14;
34 int16_t step3_15, step3_16, step3_17, step3_18, step3_19, step3_20, step3_21;
35 int16_t step3_22, step3_23, step3_24, step3_25, step3_26, step3_27;
36 int16_t step3_28, step3_29, step3_30, step3_31;
37 int temp0, temp1, temp2, temp3;
38 int load1, load2, load3, load4;
39 int result1, result2;
40 int i, temp21;
41 uint8_t *dest_pix, *dest_pix1;
42 const int const_2_power_13 = 8192;
43 uint8_t *cm = vp9_ff_cropTbl;
44
45 /* prefetch vp9_ff_cropTbl */
46 vp9_prefetch_load(vp9_ff_cropTbl);
47 vp9_prefetch_load(vp9_ff_cropTbl + 32);
48 vp9_prefetch_load(vp9_ff_cropTbl + 64);
49 vp9_prefetch_load(vp9_ff_cropTbl + 96);
50 vp9_prefetch_load(vp9_ff_cropTbl + 128);
51 vp9_prefetch_load(vp9_ff_cropTbl + 160);
52 vp9_prefetch_load(vp9_ff_cropTbl + 192);
53 vp9_prefetch_load(vp9_ff_cropTbl + 224);
54
55 for (i = 0; i < 32; ++i) {
56 dest_pix = dest + i;
57 dest_pix1 = dest + i + 31 * dest_stride;
58
59 __asm__ __volatile__ (
60 "lh %[load1], 2(%[input]) \n\t"
61 "lh %[load2], 62(%[input]) \n\t"
62 "lh %[load3], 34(%[input]) \n\t"
63 "lh %[load4], 30(%[input]) \n\t"
64
65 "mtlo %[const_2_power_13], $ac1 \n\t"
66 "mthi $zero, $ac1 \n\t"
67 "mtlo %[const_2_power_13], $ac3 \n\t"
68 "mthi $zero, $ac3 \n\t"
69
70 "madd $ac1, %[load1], %[cospi_31_64] \n\t"
71 "msub $ac1, %[load2], %[cospi_1_64] \n\t"
72 "extp %[temp0], $ac1, 31 \n\t"
73
74 "madd $ac3, %[load1], %[cospi_1_64] \n\t"
75 "madd $ac3, %[load2], %[cospi_31_64] \n\t"
76 "extp %[temp3], $ac3, 31 \n\t"
77
78 "mtlo %[const_2_power_13], $ac1 \n\t"
79 "mthi $zero, $ac1 \n\t"
80 "mtlo %[const_2_power_13], $ac2 \n\t"
81 "mthi $zero, $ac2 \n\t"
82
83 "madd $ac2, %[load3], %[cospi_15_64] \n\t"
84 "msub $ac2, %[load4], %[cospi_17_64] \n\t"
85 "extp %[temp1], $ac2, 31 \n\t"
86
87 "madd $ac1, %[load3], %[cospi_17_64] \n\t"
88 "madd $ac1, %[load4], %[cospi_15_64] \n\t"
89 "extp %[temp2], $ac1, 31 \n\t"
90
91 "mtlo %[const_2_power_13], $ac1 \n\t"
92 "mthi $zero, $ac1 \n\t"
93 "mtlo %[const_2_power_13], $ac3 \n\t"
94 "mthi $zero, $ac3 \n\t"
95
96 "sub %[load1], %[temp3], %[temp2] \n\t"
97 "sub %[load2], %[temp0], %[temp1] \n\t"
98
99 "madd $ac1, %[load1], %[cospi_28_64] \n\t"
100 "msub $ac1, %[load2], %[cospi_4_64] \n\t"
101 "madd $ac3, %[load1], %[cospi_4_64] \n\t"
102 "madd $ac3, %[load2], %[cospi_28_64] \n\t"
103
104 "extp %[step1_17], $ac1, 31 \n\t"
105 "extp %[step1_30], $ac3, 31 \n\t"
106 "add %[step1_16], %[temp0], %[temp1] \n\t"
107 "add %[step1_31], %[temp2], %[temp3] \n\t"
108
109 : [load1] "=&r" (load1), [load2] "=&r" (load2), [load3] "=&r" (load3),
110 [load4] "=&r" (load4), [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),
111 [temp2] "=&r" (temp2), [temp3] "=&r" (temp3),
112 [step1_16] "=r" (step1_16), [step1_17] "=r" (step1_17),
113 [step1_30] "=r" (step1_30), [step1_31] "=r" (step1_31)
114 : [const_2_power_13] "r" (const_2_power_13), [input] "r" (input),
115 [cospi_31_64] "r" (cospi_31_64), [cospi_1_64] "r" (cospi_1_64),
116 [cospi_4_64] "r" (cospi_4_64), [cospi_17_64] "r" (cospi_17_64),
117 [cospi_15_64] "r" (cospi_15_64), [cospi_28_64] "r" (cospi_28_64)
118 );
119
120 __asm__ __volatile__ (
121 "lh %[load1], 18(%[input]) \n\t"
122 "lh %[load2], 46(%[input]) \n\t"
123 "lh %[load3], 50(%[input]) \n\t"
124 "lh %[load4], 14(%[input]) \n\t"
125
126 "mtlo %[const_2_power_13], $ac1 \n\t"
127 "mthi $zero, $ac1 \n\t"
128 "mtlo %[const_2_power_13], $ac3 \n\t"
129 "mthi $zero, $ac3 \n\t"
130
131 "madd $ac1, %[load1], %[cospi_23_64] \n\t"
132 "msub $ac1, %[load2], %[cospi_9_64] \n\t"
133 "extp %[temp0], $ac1, 31 \n\t"
134
135 "madd $ac3, %[load1], %[cospi_9_64] \n\t"
136 "madd $ac3, %[load2], %[cospi_23_64] \n\t"
137 "extp %[temp3], $ac3, 31 \n\t"
138
139 "mtlo %[const_2_power_13], $ac1 \n\t"
140 "mthi $zero, $ac1 \n\t"
141 "mtlo %[const_2_power_13], $ac2 \n\t"
142 "mthi $zero, $ac2 \n\t"
143
144 "madd $ac2, %[load3], %[cospi_7_64] \n\t"
145 "msub $ac2, %[load4], %[cospi_25_64] \n\t"
146 "extp %[temp1], $ac2, 31 \n\t"
147
148 "madd $ac1, %[load3], %[cospi_25_64] \n\t"
149 "madd $ac1, %[load4], %[cospi_7_64] \n\t"
150 "extp %[temp2], $ac1, 31 \n\t"
151
152 "mtlo %[const_2_power_13], $ac1 \n\t"
153 "mthi $zero, $ac1 \n\t"
154 "mtlo %[const_2_power_13], $ac3 \n\t"
155 "mthi $zero, $ac3 \n\t"
156
157 "sub %[load1], %[temp1], %[temp0] \n\t"
158 "sub %[load2], %[temp2], %[temp3] \n\t"
159
160 "msub $ac1, %[load1], %[cospi_28_64] \n\t"
161 "msub $ac1, %[load2], %[cospi_4_64] \n\t"
162 "msub $ac3, %[load1], %[cospi_4_64] \n\t"
163 "madd $ac3, %[load2], %[cospi_28_64] \n\t"
164
165 "extp %[step1_18], $ac1, 31 \n\t"
166 "extp %[step1_29], $ac3, 31 \n\t"
167 "add %[step1_19], %[temp0], %[temp1] \n\t"
168 "add %[step1_28], %[temp2], %[temp3] \n\t"
169
170 : [load1] "=&r" (load1), [load2] "=&r" (load2), [load3] "=&r" (load3),
171 [load4] "=&r" (load4), [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),
172 [temp2] "=&r" (temp2), [temp3] "=&r" (temp3),
173 [step1_18] "=r" (step1_18), [step1_19] "=r" (step1_19),
174 [step1_28] "=r" (step1_28), [step1_29] "=r" (step1_29)
175 : [const_2_power_13] "r" (const_2_power_13), [input] "r" (input),
176 [cospi_23_64] "r" (cospi_23_64), [cospi_9_64] "r" (cospi_9_64),
177 [cospi_4_64] "r" (cospi_4_64), [cospi_7_64] "r" (cospi_7_64),
178 [cospi_25_64] "r" (cospi_25_64), [cospi_28_64] "r" (cospi_28_64)
179 );
180
181 __asm__ __volatile__ (
182 "lh %[load1], 10(%[input]) \n\t"
183 "lh %[load2], 54(%[input]) \n\t"
184 "lh %[load3], 42(%[input]) \n\t"
185 "lh %[load4], 22(%[input]) \n\t"
186
187 "mtlo %[const_2_power_13], $ac1 \n\t"
188 "mthi $zero, $ac1 \n\t"
189 "mtlo %[const_2_power_13], $ac3 \n\t"
190 "mthi $zero, $ac3 \n\t"
191
192 "madd $ac1, %[load1], %[cospi_27_64] \n\t"
193 "msub $ac1, %[load2], %[cospi_5_64] \n\t"
194 "extp %[temp0], $ac1, 31 \n\t"
195
196 "madd $ac3, %[load1], %[cospi_5_64] \n\t"
197 "madd $ac3, %[load2], %[cospi_27_64] \n\t"
198 "extp %[temp3], $ac3, 31 \n\t"
199
200 "mtlo %[const_2_power_13], $ac1 \n\t"
201 "mthi $zero, $ac1 \n\t"
202 "mtlo %[const_2_power_13], $ac2 \n\t"
203 "mthi $zero, $ac2 \n\t"
204
205 "madd $ac2, %[load3], %[cospi_11_64] \n\t"
206 "msub $ac2, %[load4], %[cospi_21_64] \n\t"
207 "extp %[temp1], $ac2, 31 \n\t"
208
209 "madd $ac1, %[load3], %[cospi_21_64] \n\t"
210 "madd $ac1, %[load4], %[cospi_11_64] \n\t"
211 "extp %[temp2], $ac1, 31 \n\t"
212
213 "mtlo %[const_2_power_13], $ac1 \n\t"
214 "mthi $zero, $ac1 \n\t"
215 "mtlo %[const_2_power_13], $ac3 \n\t"
216 "mthi $zero, $ac3 \n\t"
217
218 "sub %[load1], %[temp0], %[temp1] \n\t"
219 "sub %[load2], %[temp3], %[temp2] \n\t"
220
221 "madd $ac1, %[load2], %[cospi_12_64] \n\t"
222 "msub $ac1, %[load1], %[cospi_20_64] \n\t"
223 "madd $ac3, %[load1], %[cospi_12_64] \n\t"
224 "madd $ac3, %[load2], %[cospi_20_64] \n\t"
225
226 "extp %[step1_21], $ac1, 31 \n\t"
227 "extp %[step1_26], $ac3, 31 \n\t"
228 "add %[step1_20], %[temp0], %[temp1] \n\t"
229 "add %[step1_27], %[temp2], %[temp3] \n\t"
230
231 : [load1] "=&r" (load1), [load2] "=&r" (load2), [load3] "=&r" (load3),
232 [load4] "=&r" (load4), [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),
233 [temp2] "=&r" (temp2), [temp3] "=&r" (temp3),
234 [step1_20] "=r" (step1_20), [step1_21] "=r" (step1_21),
235 [step1_26] "=r" (step1_26), [step1_27] "=r" (step1_27)
236 : [const_2_power_13] "r" (const_2_power_13), [input] "r" (input),
237 [cospi_27_64] "r" (cospi_27_64), [cospi_5_64] "r" (cospi_5_64),
238 [cospi_11_64] "r" (cospi_11_64), [cospi_21_64] "r" (cospi_21_64),
239 [cospi_12_64] "r" (cospi_12_64), [cospi_20_64] "r" (cospi_20_64)
240 );
241
242 __asm__ __volatile__ (
243 "lh %[load1], 26(%[input]) \n\t"
244 "lh %[load2], 38(%[input]) \n\t"
245 "lh %[load3], 58(%[input]) \n\t"
246 "lh %[load4], 6(%[input]) \n\t"
247
248 "mtlo %[const_2_power_13], $ac1 \n\t"
249 "mthi $zero, $ac1 \n\t"
250 "mtlo %[const_2_power_13], $ac3 \n\t"
251 "mthi $zero, $ac3 \n\t"
252
253 "madd $ac1, %[load1], %[cospi_19_64] \n\t"
254 "msub $ac1, %[load2], %[cospi_13_64] \n\t"
255 "extp %[temp0], $ac1, 31 \n\t"
256 "madd $ac3, %[load1], %[cospi_13_64] \n\t"
257 "madd $ac3, %[load2], %[cospi_19_64] \n\t"
258 "extp %[temp3], $ac3, 31 \n\t"
259
260 "mtlo %[const_2_power_13], $ac1 \n\t"
261 "mthi $zero, $ac1 \n\t"
262 "mtlo %[const_2_power_13], $ac2 \n\t"
263 "mthi $zero, $ac2 \n\t"
264
265 "madd $ac2, %[load3], %[cospi_3_64] \n\t"
266 "msub $ac2, %[load4], %[cospi_29_64] \n\t"
267 "extp %[temp1], $ac2, 31 \n\t"
268 "madd $ac1, %[load3], %[cospi_29_64] \n\t"
269 "madd $ac1, %[load4], %[cospi_3_64] \n\t"
270 "extp %[temp2], $ac1, 31 \n\t"
271
272 "mtlo %[const_2_power_13], $ac1 \n\t"
273 "mthi $zero, $ac1 \n\t"
274 "mtlo %[const_2_power_13], $ac3 \n\t"
275 "mthi $zero, $ac3 \n\t"
276
277 "sub %[load1], %[temp1], %[temp0] \n\t"
278 "sub %[load2], %[temp2], %[temp3] \n\t"
279 "msub $ac1, %[load1], %[cospi_12_64] \n\t"
280 "msub $ac1, %[load2], %[cospi_20_64] \n\t"
281 "msub $ac3, %[load1], %[cospi_20_64] \n\t"
282 "madd $ac3, %[load2], %[cospi_12_64] \n\t"
283 "extp %[step1_22], $ac1, 31 \n\t"
284 "extp %[step1_25], $ac3, 31 \n\t"
285 "add %[step1_23], %[temp0], %[temp1] \n\t"
286 "add %[step1_24], %[temp2], %[temp3] \n\t"
287
288 : [load1] "=&r" (load1), [load2] "=&r" (load2), [load3] "=&r" (load3),
289 [load4] "=&r" (load4), [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),
290 [temp2] "=&r" (temp2), [temp3] "=&r" (temp3),
291 [step1_22] "=r" (step1_22), [step1_23] "=r" (step1_23),
292 [step1_24] "=r" (step1_24), [step1_25] "=r" (step1_25)
293 : [const_2_power_13] "r" (const_2_power_13), [input] "r" (input),
294 [cospi_19_64] "r" (cospi_19_64), [cospi_13_64] "r" (cospi_13_64),
295 [cospi_3_64] "r" (cospi_3_64), [cospi_29_64] "r" (cospi_29_64),
296 [cospi_12_64] "r" (cospi_12_64), [cospi_20_64] "r" (cospi_20_64)
297 );
298
299 __asm__ __volatile__ (
300 "lh %[load1], 4(%[input]) \n\t"
301 "lh %[load2], 60(%[input]) \n\t"
302 "lh %[load3], 36(%[input]) \n\t"
303 "lh %[load4], 28(%[input]) \n\t"
304
305 "mtlo %[const_2_power_13], $ac1 \n\t"
306 "mthi $zero, $ac1 \n\t"
307 "mtlo %[const_2_power_13], $ac3 \n\t"
308 "mthi $zero, $ac3 \n\t"
309
310 "madd $ac1, %[load1], %[cospi_30_64] \n\t"
311 "msub $ac1, %[load2], %[cospi_2_64] \n\t"
312 "extp %[temp0], $ac1, 31 \n\t"
313 "madd $ac3, %[load1], %[cospi_2_64] \n\t"
314 "madd $ac3, %[load2], %[cospi_30_64] \n\t"
315 "extp %[temp3], $ac3, 31 \n\t"
316
317 "mtlo %[const_2_power_13], $ac1 \n\t"
318 "mthi $zero, $ac1 \n\t"
319 "mtlo %[const_2_power_13], $ac2 \n\t"
320 "mthi $zero, $ac2 \n\t"
321
322 "madd $ac2, %[load3], %[cospi_14_64] \n\t"
323 "msub $ac2, %[load4], %[cospi_18_64] \n\t"
324 "extp %[temp1], $ac2, 31 \n\t"
325 "madd $ac1, %[load3], %[cospi_18_64] \n\t"
326 "madd $ac1, %[load4], %[cospi_14_64] \n\t"
327 "extp %[temp2], $ac1, 31 \n\t"
328
329 "mtlo %[const_2_power_13], $ac1 \n\t"
330 "mthi $zero, $ac1 \n\t"
331 "mtlo %[const_2_power_13], $ac3 \n\t"
332 "mthi $zero, $ac3 \n\t"
333
334 "sub %[load1], %[temp0], %[temp1] \n\t"
335 "sub %[load2], %[temp3], %[temp2] \n\t"
336 "msub $ac1, %[load1], %[cospi_8_64] \n\t"
337 "madd $ac1, %[load2], %[cospi_24_64] \n\t"
338 "madd $ac3, %[load1], %[cospi_24_64] \n\t"
339 "madd $ac3, %[load2], %[cospi_8_64] \n\t"
340 "extp %[step2_9], $ac1, 31 \n\t"
341 "extp %[step2_14], $ac3, 31 \n\t"
342 "add %[step2_8], %[temp0], %[temp1] \n\t"
343 "add %[step2_15], %[temp2], %[temp3] \n\t"
344
345 : [load1] "=&r" (load1), [load2] "=&r" (load2), [load3] "=&r" (load3),
346 [load4] "=&r" (load4), [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),
347 [temp2] "=&r" (temp2), [temp3] "=&r" (temp3),
348 [step2_8] "=r" (step2_8), [step2_9] "=r" (step2_9),
349 [step2_14] "=r" (step2_14), [step2_15] "=r" (step2_15)
350 : [const_2_power_13] "r" (const_2_power_13), [input] "r" (input),
351 [cospi_30_64] "r" (cospi_30_64), [cospi_2_64] "r" (cospi_2_64),
352 [cospi_14_64] "r" (cospi_14_64), [cospi_18_64] "r" (cospi_18_64),
353 [cospi_8_64] "r" (cospi_8_64), [cospi_24_64] "r" (cospi_24_64)
354 );
355
356 __asm__ __volatile__ (
357 "lh %[load1], 20(%[input]) \n\t"
358 "lh %[load2], 44(%[input]) \n\t"
359 "lh %[load3], 52(%[input]) \n\t"
360 "lh %[load4], 12(%[input]) \n\t"
361
362 "mtlo %[const_2_power_13], $ac1 \n\t"
363 "mthi $zero, $ac1 \n\t"
364 "mtlo %[const_2_power_13], $ac3 \n\t"
365 "mthi $zero, $ac3 \n\t"
366
367 "madd $ac1, %[load1], %[cospi_22_64] \n\t"
368 "msub $ac1, %[load2], %[cospi_10_64] \n\t"
369 "extp %[temp0], $ac1, 31 \n\t"
370 "madd $ac3, %[load1], %[cospi_10_64] \n\t"
371 "madd $ac3, %[load2], %[cospi_22_64] \n\t"
372 "extp %[temp3], $ac3, 31 \n\t"
373
374 "mtlo %[const_2_power_13], $ac1 \n\t"
375 "mthi $zero, $ac1 \n\t"
376 "mtlo %[const_2_power_13], $ac2 \n\t"
377 "mthi $zero, $ac2 \n\t"
378
379 "madd $ac2, %[load3], %[cospi_6_64] \n\t"
380 "msub $ac2, %[load4], %[cospi_26_64] \n\t"
381 "extp %[temp1], $ac2, 31 \n\t"
382 "madd $ac1, %[load3], %[cospi_26_64] \n\t"
383 "madd $ac1, %[load4], %[cospi_6_64] \n\t"
384 "extp %[temp2], $ac1, 31 \n\t"
385
386 "mtlo %[const_2_power_13], $ac1 \n\t"
387 "mthi $zero, $ac1 \n\t"
388 "mtlo %[const_2_power_13], $ac3 \n\t"
389 "mthi $zero, $ac3 \n\t"
390
391 "sub %[load1], %[temp1], %[temp0] \n\t"
392 "sub %[load2], %[temp2], %[temp3] \n\t"
393 "msub $ac1, %[load1], %[cospi_24_64] \n\t"
394 "msub $ac1, %[load2], %[cospi_8_64] \n\t"
395 "madd $ac3, %[load2], %[cospi_24_64] \n\t"
396 "msub $ac3, %[load1], %[cospi_8_64] \n\t"
397 "extp %[step2_10], $ac1, 31 \n\t"
398 "extp %[step2_13], $ac3, 31 \n\t"
399 "add %[step2_11], %[temp0], %[temp1] \n\t"
400 "add %[step2_12], %[temp2], %[temp3] \n\t"
401
402 : [load1] "=&r" (load1), [load2] "=&r" (load2), [load3] "=&r" (load3),
403 [load4] "=&r" (load4), [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),
404 [temp2] "=&r" (temp2), [temp3] "=&r" (temp3),
405 [step2_10] "=r" (step2_10), [step2_11] "=r" (step2_11),
406 [step2_12] "=r" (step2_12), [step2_13] "=r" (step2_13)
407 : [const_2_power_13] "r" (const_2_power_13), [input] "r" (input),
408 [cospi_22_64] "r" (cospi_22_64), [cospi_10_64] "r" (cospi_10_64),
409 [cospi_6_64] "r" (cospi_6_64), [cospi_26_64] "r" (cospi_26_64),
410 [cospi_8_64] "r" (cospi_8_64), [cospi_24_64] "r" (cospi_24_64)
411 );
412
413 __asm__ __volatile__ (
414 "mtlo %[const_2_power_13], $ac0 \n\t"
415 "mthi $zero, $ac0 \n\t"
416 "sub %[temp0], %[step2_14], %[step2_13] \n\t"
417 "sub %[temp0], %[temp0], %[step2_9] \n\t"
418 "add %[temp0], %[temp0], %[step2_10] \n\t"
419 "madd $ac0, %[temp0], %[cospi_16_64] \n\t"
420 "mtlo %[const_2_power_13], $ac1 \n\t"
421 "mthi $zero, $ac1 \n\t"
422 "sub %[temp1], %[step2_14], %[step2_13] \n\t"
423 "add %[temp1], %[temp1], %[step2_9] \n\t"
424 "sub %[temp1], %[temp1], %[step2_10] \n\t"
425 "madd $ac1, %[temp1], %[cospi_16_64] \n\t"
426 "mtlo %[const_2_power_13], $ac2 \n\t"
427 "mthi $zero, $ac2 \n\t"
428 "sub %[temp0], %[step2_15], %[step2_12] \n\t"
429 "sub %[temp0], %[temp0], %[step2_8] \n\t"
430 "add %[temp0], %[temp0], %[step2_11] \n\t"
431 "madd $ac2, %[temp0], %[cospi_16_64] \n\t"
432 "mtlo %[const_2_power_13], $ac3 \n\t"
433 "mthi $zero, $ac3 \n\t"
434 "sub %[temp1], %[step2_15], %[step2_12] \n\t"
435 "add %[temp1], %[temp1], %[step2_8] \n\t"
436 "sub %[temp1], %[temp1], %[step2_11] \n\t"
437 "madd $ac3, %[temp1], %[cospi_16_64] \n\t"
438
439 "add %[step3_8], %[step2_8], %[step2_11] \n\t"
440 "add %[step3_9], %[step2_9], %[step2_10] \n\t"
441 "add %[step3_14], %[step2_13], %[step2_14] \n\t"
442 "add %[step3_15], %[step2_12], %[step2_15] \n\t"
443 "extp %[step3_10], $ac0, 31 \n\t"
444 "extp %[step3_13], $ac1, 31 \n\t"
445 "extp %[step3_11], $ac2, 31 \n\t"
446 "extp %[step3_12], $ac3, 31 \n\t"
447
448 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),
449 [step3_8] "=r" (step3_8), [step3_9] "=r" (step3_9),
450 [step3_10] "=r" (step3_10), [step3_11] "=r" (step3_11),
451 [step3_12] "=r" (step3_12), [step3_13] "=r" (step3_13),
452 [step3_14] "=r" (step3_14), [step3_15] "=r" (step3_15)
453 : [const_2_power_13] "r" (const_2_power_13), [step2_8] "r" (step2_8),
454 [step2_9] "r" (step2_9), [step2_10] "r" (step2_10),
455 [step2_11] "r" (step2_11), [step2_12] "r" (step2_12),
456 [step2_13] "r" (step2_13), [step2_14] "r" (step2_14),
457 [step2_15] "r" (step2_15), [cospi_16_64] "r" (cospi_16_64)
458 );
459
460 step2_18 = step1_17 - step1_18;
461 step2_29 = step1_30 - step1_29;
462
463 __asm__ __volatile__ (
464 "mtlo %[const_2_power_13], $ac0 \n\t"
465 "mthi $zero, $ac0 \n\t"
466 "msub $ac0, %[step2_18], %[cospi_8_64] \n\t"
467 "madd $ac0, %[step2_29], %[cospi_24_64] \n\t"
468 "extp %[step3_18], $ac0, 31 \n\t"
469
470 : [step3_18] "=r" (step3_18)
471 : [const_2_power_13] "r" (const_2_power_13),
472 [step2_18] "r" (step2_18), [step2_29] "r" (step2_29),
473 [cospi_24_64] "r" (cospi_24_64), [cospi_8_64] "r" (cospi_8_64)
474 );
475
476 temp21 = step2_18 * cospi_24_64 + step2_29 * cospi_8_64;
477 step3_29 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
478
479 step2_19 = step1_16 - step1_19;
480 step2_28 = step1_31 - step1_28;
481
482 __asm__ __volatile__ (
483 "mtlo %[const_2_power_13], $ac0 \n\t"
484 "mthi $zero, $ac0 \n\t"
485 "msub $ac0, %[step2_19], %[cospi_8_64] \n\t"
486 "madd $ac0, %[step2_28], %[cospi_24_64] \n\t"
487 "extp %[step3_19], $ac0, 31 \n\t"
488
489 : [step3_19] "=r" (step3_19)
490 : [const_2_power_13] "r" (const_2_power_13),
491 [step2_19] "r" (step2_19), [step2_28] "r" (step2_28),
492 [cospi_24_64] "r" (cospi_24_64), [cospi_8_64] "r" (cospi_8_64)
493 );
494
495 temp21 = step2_19 * cospi_24_64 + step2_28 * cospi_8_64;
496 step3_28 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
497
498 step3_16 = step1_16 + step1_19;
499 step3_17 = step1_17 + step1_18;
500 step3_30 = step1_29 + step1_30;
501 step3_31 = step1_28 + step1_31;
502
503 step2_20 = step1_23 - step1_20;
504 step2_27 = step1_24 - step1_27;
505
506 __asm__ __volatile__ (
507 "mtlo %[const_2_power_13], $ac0 \n\t"
508 "mthi $zero, $ac0 \n\t"
509 "msub $ac0, %[step2_20], %[cospi_24_64] \n\t"
510 "msub $ac0, %[step2_27], %[cospi_8_64] \n\t"
511 "extp %[step3_20], $ac0, 31 \n\t"
512
513 : [step3_20] "=r" (step3_20)
514 : [const_2_power_13] "r" (const_2_power_13),
515 [step2_20] "r" (step2_20), [step2_27] "r" (step2_27),
516 [cospi_24_64] "r" (cospi_24_64), [cospi_8_64] "r" (cospi_8_64)
517 );
518
519 temp21 = -step2_20 * cospi_8_64 + step2_27 * cospi_24_64;
520 step3_27 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
521
522 step2_21 = step1_22 - step1_21;
523 step2_26 = step1_25 - step1_26;
524
525 __asm__ __volatile__ (
526 "mtlo %[const_2_power_13], $ac1 \n\t"
527 "mthi $zero, $ac1 \n\t"
528 "msub $ac1, %[step2_21], %[cospi_24_64] \n\t"
529 "msub $ac1, %[step2_26], %[cospi_8_64] \n\t"
530 "extp %[step3_21], $ac1, 31 \n\t"
531
532 : [step3_21] "=r" (step3_21)
533 : [const_2_power_13] "r" (const_2_power_13),
534 [step2_21] "r" (step2_21), [step2_26] "r" (step2_26),
535 [cospi_24_64] "r" (cospi_24_64), [cospi_8_64] "r" (cospi_8_64)
536 );
537
538 temp21 = -step2_21 * cospi_8_64 + step2_26 * cospi_24_64;
539 step3_26 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
540
541 step3_22 = step1_21 + step1_22;
542 step3_23 = step1_20 + step1_23;
543 step3_24 = step1_24 + step1_27;
544 step3_25 = step1_25 + step1_26;
545
546 step2_16 = step3_16 + step3_23;
547 step2_17 = step3_17 + step3_22;
548 step2_18 = step3_18 + step3_21;
549 step2_19 = step3_19 + step3_20;
550 step2_20 = step3_19 - step3_20;
551 step2_21 = step3_18 - step3_21;
552 step2_22 = step3_17 - step3_22;
553 step2_23 = step3_16 - step3_23;
554
555 step2_24 = step3_31 - step3_24;
556 step2_25 = step3_30 - step3_25;
557 step2_26 = step3_29 - step3_26;
558 step2_27 = step3_28 - step3_27;
559 step2_28 = step3_28 + step3_27;
560 step2_29 = step3_29 + step3_26;
561 step2_30 = step3_30 + step3_25;
562 step2_31 = step3_31 + step3_24;
563
564 __asm__ __volatile__ (
565 "lh %[load1], 0(%[input]) \n\t"
566 "lh %[load2], 32(%[input]) \n\t"
567 "lh %[load3], 16(%[input]) \n\t"
568 "lh %[load4], 48(%[input]) \n\t"
569
570 "mtlo %[const_2_power_13], $ac1 \n\t"
571 "mthi $zero, $ac1 \n\t"
572 "mtlo %[const_2_power_13], $ac2 \n\t"
573 "mthi $zero, $ac2 \n\t"
574 "add %[result1], %[load1], %[load2] \n\t"
575 "sub %[result2], %[load1], %[load2] \n\t"
576 "madd $ac1, %[result1], %[cospi_16_64] \n\t"
577 "madd $ac2, %[result2], %[cospi_16_64] \n\t"
578 "extp %[temp0], $ac1, 31 \n\t"
579 "extp %[temp1], $ac2, 31 \n\t"
580
581 "mtlo %[const_2_power_13], $ac3 \n\t"
582 "mthi $zero, $ac3 \n\t"
583 "madd $ac3, %[load3], %[cospi_24_64] \n\t"
584 "msub $ac3, %[load4], %[cospi_8_64] \n\t"
585 "extp %[temp2], $ac3, 31 \n\t"
586 "mtlo %[const_2_power_13], $ac1 \n\t"
587 "mthi $zero, $ac1 \n\t"
588 "madd $ac1, %[load3], %[cospi_8_64] \n\t"
589 "madd $ac1, %[load4], %[cospi_24_64] \n\t"
590 "extp %[temp3], $ac1, 31 \n\t"
591 "add %[step1_0], %[temp0], %[temp3] \n\t"
592 "add %[step1_1], %[temp1], %[temp2] \n\t"
593 "sub %[step1_2], %[temp1], %[temp2] \n\t"
594 "sub %[step1_3], %[temp0], %[temp3] \n\t"
595
596 : [load1] "=&r" (load1), [load2] "=&r" (load2),
597 [load3] "=&r" (load3), [load4] "=&r" (load4),
598 [result1] "=&r" (result1), [result2] "=&r" (result2),
599 [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),
600 [temp2] "=&r" (temp2), [temp3] "=&r" (temp3),
601 [step1_0] "=r" (step1_0), [step1_1] "=r" (step1_1),
602 [step1_2] "=r" (step1_2), [step1_3] "=r" (step1_3)
603 : [const_2_power_13] "r" (const_2_power_13), [input] "r" (input),
604 [cospi_24_64] "r" (cospi_24_64), [cospi_8_64] "r" (cospi_8_64),
605 [cospi_16_64] "r" (cospi_16_64)
606 );
607
608 __asm__ __volatile__ (
609 "lh %[load1], 8(%[input]) \n\t"
610 "lh %[load2], 56(%[input]) \n\t"
611 "lh %[load3], 40(%[input]) \n\t"
612 "lh %[load4], 24(%[input]) \n\t"
613
614 "mtlo %[const_2_power_13], $ac1 \n\t"
615 "mthi $zero, $ac1 \n\t"
616 "mtlo %[const_2_power_13], $ac3 \n\t"
617 "mthi $zero, $ac3 \n\t"
618
619 "madd $ac1, %[load1], %[cospi_28_64] \n\t"
620 "msub $ac1, %[load2], %[cospi_4_64] \n\t"
621 "extp %[temp0], $ac1, 31 \n\t"
622 "madd $ac3, %[load1], %[cospi_4_64] \n\t"
623 "madd $ac3, %[load2], %[cospi_28_64] \n\t"
624 "extp %[temp3], $ac3, 31 \n\t"
625
626 "mtlo %[const_2_power_13], $ac1 \n\t"
627 "mthi $zero, $ac1 \n\t"
628 "mtlo %[const_2_power_13], $ac2 \n\t"
629 "mthi $zero, $ac2 \n\t"
630
631 "madd $ac2, %[load3], %[cospi_12_64] \n\t"
632 "msub $ac2, %[load4], %[cospi_20_64] \n\t"
633 "extp %[temp1], $ac2, 31 \n\t"
634 "madd $ac1, %[load3], %[cospi_20_64] \n\t"
635 "madd $ac1, %[load4], %[cospi_12_64] \n\t"
636 "extp %[temp2], $ac1, 31 \n\t"
637
638 "mtlo %[const_2_power_13], $ac1 \n\t"
639 "mthi $zero, $ac1 \n\t"
640 "mtlo %[const_2_power_13], $ac3 \n\t"
641 "mthi $zero, $ac3 \n\t"
642
643 "sub %[load1], %[temp3], %[temp2] \n\t"
644 "sub %[load1], %[load1], %[temp0] \n\t"
645 "add %[load1], %[load1], %[temp1] \n\t"
646 "sub %[load2], %[temp0], %[temp1] \n\t"
647 "sub %[load2], %[load2], %[temp2] \n\t"
648 "add %[load2], %[load2], %[temp3] \n\t"
649 "madd $ac1, %[load1], %[cospi_16_64] \n\t"
650 "madd $ac3, %[load2], %[cospi_16_64] \n\t"
651
652 "extp %[step1_5], $ac1, 31 \n\t"
653 "extp %[step1_6], $ac3, 31 \n\t"
654 "add %[step1_4], %[temp0], %[temp1] \n\t"
655 "add %[step1_7], %[temp3], %[temp2] \n\t"
656
657 : [load1] "=&r" (load1), [load2] "=&r" (load2),
658 [load3] "=&r" (load3), [load4] "=&r" (load4),
659 [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),
660 [temp2] "=&r" (temp2), [temp3] "=&r" (temp3),
661 [step1_4] "=r" (step1_4), [step1_5] "=r" (step1_5),
662 [step1_6] "=r" (step1_6), [step1_7] "=r" (step1_7)
663 : [const_2_power_13] "r" (const_2_power_13), [input] "r" (input),
664 [cospi_20_64] "r" (cospi_20_64), [cospi_12_64] "r" (cospi_12_64),
665 [cospi_4_64] "r" (cospi_4_64), [cospi_28_64] "r" (cospi_28_64),
666 [cospi_16_64] "r" (cospi_16_64)
667 );
668
669 step2_0 = step1_0 + step1_7;
670 step2_1 = step1_1 + step1_6;
671 step2_2 = step1_2 + step1_5;
672 step2_3 = step1_3 + step1_4;
673 step2_4 = step1_3 - step1_4;
674 step2_5 = step1_2 - step1_5;
675 step2_6 = step1_1 - step1_6;
676 step2_7 = step1_0 - step1_7;
677
678 // stage 7
679 step1_0 = step2_0 + step3_15;
680 step1_1 = step2_1 + step3_14;
681 step1_2 = step2_2 + step3_13;
682 step1_3 = step2_3 + step3_12;
683 step1_4 = step2_4 + step3_11;
684 step1_5 = step2_5 + step3_10;
685 step1_6 = step2_6 + step3_9;
686 step1_7 = step2_7 + step3_8;
687 step1_8 = step2_7 - step3_8;
688 step1_9 = step2_6 - step3_9;
689 step1_10 = step2_5 - step3_10;
690 step1_11 = step2_4 - step3_11;
691 step1_12 = step2_3 - step3_12;
692 step1_13 = step2_2 - step3_13;
693 step1_14 = step2_1 - step3_14;
694 step1_15 = step2_0 - step3_15;
695
696 __asm__ __volatile__ (
697 "sub %[temp0], %[step2_27], %[step2_20] \n\t"
698 "mtlo %[const_2_power_13], $ac0 \n\t"
699 "mthi $zero, $ac0 \n\t"
700 "madd $ac0, %[temp0], %[cospi_16_64] \n\t"
701 "extp %[step1_20], $ac0, 31 \n\t"
702
703 : [temp0] "=&r" (temp0), [step1_20] "=r" (step1_20)
704 : [const_2_power_13] "r" (const_2_power_13), [step2_20] "r" (step2_20),
705 [step2_27] "r" (step2_27), [cospi_16_64] "r" (cospi_16_64)
706 );
707
708 temp21 = (step2_20 + step2_27) * cospi_16_64;
709 step1_27 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
710
711 __asm__ __volatile__ (
712 "sub %[temp0], %[step2_26], %[step2_21] \n\t"
713 "mtlo %[const_2_power_13], $ac0 \n\t"
714 "mthi $zero, $ac0 \n\t"
715 "madd $ac0, %[temp0], %[cospi_16_64] \n\t"
716 "extp %[step1_21], $ac0, 31 \n\t"
717
718 : [temp0] "=&r" (temp0), [step1_21] "=r" (step1_21)
719 : [const_2_power_13] "r" (const_2_power_13), [step2_26] "r" (step2_26),
720 [step2_21] "r" (step2_21), [cospi_16_64] "r" (cospi_16_64)
721 );
722
723 temp21 = (step2_21 + step2_26) * cospi_16_64;
724 step1_26 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
725
726 __asm__ __volatile__ (
727 "sub %[temp0], %[step2_25], %[step2_22] \n\t"
728 "mtlo %[const_2_power_13], $ac0 \n\t"
729 "mthi $zero, $ac0 \n\t"
730 "madd $ac0, %[temp0], %[cospi_16_64] \n\t"
731 "extp %[step1_22], $ac0, 31 \n\t"
732
733 : [temp0] "=&r" (temp0), [step1_22] "=r" (step1_22)
734 : [const_2_power_13] "r" (const_2_power_13), [step2_25] "r" (step2_25),
735 [step2_22] "r" (step2_22), [cospi_16_64] "r" (cospi_16_64)
736 );
737
738 temp21 = (step2_22 + step2_25) * cospi_16_64;
739 step1_25 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
740
741 __asm__ __volatile__ (
742 "sub %[temp0], %[step2_24], %[step2_23] \n\t"
743 "mtlo %[const_2_power_13], $ac0 \n\t"
744 "mthi $zero, $ac0 \n\t"
745 "madd $ac0, %[temp0], %[cospi_16_64] \n\t"
746 "extp %[step1_23], $ac0, 31 \n\t"
747
748 : [temp0] "=&r" (temp0), [step1_23] "=r" (step1_23)
749 : [const_2_power_13] "r" (const_2_power_13), [step2_24] "r" (step2_24),
750 [step2_23] "r" (step2_23), [cospi_16_64] "r" (cospi_16_64)
751 );
752
753 temp21 = (step2_23 + step2_24) * cospi_16_64;
754 step1_24 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
755
756 __asm__ __volatile__ (
757 "lbu %[temp2], 0(%[dest_pix]) \n\t"
758 "add %[temp0], %[step1_0], %[step2_31] \n\t"
759 "addi %[temp0], %[temp0], 32 \n\t"
760 "sra %[temp0], %[temp0], 6 \n\t"
761 "add %[temp2], %[temp2], %[temp0] \n\t"
762 "lbux %[temp0], %[temp2](%[cm]) \n\t"
763 "add %[temp1], %[step1_1], %[step2_30] \n\t"
764 "sb %[temp0], 0(%[dest_pix]) \n\t"
765 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
766 "lbu %[temp3], 0(%[dest_pix]) \n\t"
767 "addi %[temp1], %[temp1], 32 \n\t"
768 "sra %[temp1], %[temp1], 6 \n\t"
769 "add %[temp3], %[temp3], %[temp1] \n\t"
770 "lbux %[temp1], %[temp3](%[cm]) \n\t"
771 "sb %[temp1], 0(%[dest_pix]) \n\t"
772 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
773
774 "lbu %[temp2], 0(%[dest_pix]) \n\t"
775 "add %[temp0], %[step1_2], %[step2_29] \n\t"
776 "addi %[temp0], %[temp0], 32 \n\t"
777 "sra %[temp0], %[temp0], 6 \n\t"
778 "add %[temp2], %[temp2], %[temp0] \n\t"
779 "lbux %[temp0], %[temp2](%[cm]) \n\t"
780 "add %[temp1], %[step1_3], %[step2_28] \n\t"
781 "sb %[temp0], 0(%[dest_pix]) \n\t"
782 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
783 "lbu %[temp3], 0(%[dest_pix]) \n\t"
784 "addi %[temp1], %[temp1], 32 \n\t"
785 "sra %[temp1], %[temp1], 6 \n\t"
786 "add %[temp3], %[temp3], %[temp1] \n\t"
787 "lbux %[temp1], %[temp3](%[cm]) \n\t"
788 "sb %[temp1], 0(%[dest_pix]) \n\t"
789 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
790
791 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), [temp2] "=&r" (temp2),
792 [temp3] "=&r" (temp3), [dest_pix] "+r" (dest_pix)
793 : [cm] "r" (cm), [dest_stride] "r" (dest_stride),
794 [step1_0] "r" (step1_0), [step1_1] "r" (step1_1),
795 [step1_2] "r" (step1_2), [step1_3] "r" (step1_3),
796 [step2_28] "r" (step2_28), [step2_29] "r" (step2_29),
797 [step2_30] "r" (step2_30), [step2_31] "r" (step2_31)
798 );
799
800 step3_12 = ROUND_POWER_OF_TWO((step1_3 - step2_28), 6);
801 step3_13 = ROUND_POWER_OF_TWO((step1_2 - step2_29), 6);
802 step3_14 = ROUND_POWER_OF_TWO((step1_1 - step2_30), 6);
803 step3_15 = ROUND_POWER_OF_TWO((step1_0 - step2_31), 6);
804
805 __asm__ __volatile__ (
806 "lbu %[temp2], 0(%[dest_pix1]) \n\t"
807 "add %[temp2], %[temp2], %[step3_15] \n\t"
808 "lbux %[temp0], %[temp2](%[cm]) \n\t"
809 "sb %[temp0], 0(%[dest_pix1]) \n\t"
810 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
811 "lbu %[temp3], 0(%[dest_pix1]) \n\t"
812 "add %[temp3], %[temp3], %[step3_14] \n\t"
813 "lbux %[temp1], %[temp3](%[cm]) \n\t"
814 "sb %[temp1], 0(%[dest_pix1]) \n\t"
815 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
816
817 "lbu %[temp2], 0(%[dest_pix1]) \n\t"
818 "add %[temp2], %[temp2], %[step3_13] \n\t"
819 "lbux %[temp0], %[temp2](%[cm]) \n\t"
820 "sb %[temp0], 0(%[dest_pix1]) \n\t"
821 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
822 "lbu %[temp3], 0(%[dest_pix1]) \n\t"
823 "add %[temp3], %[temp3], %[step3_12] \n\t"
824 "lbux %[temp1], %[temp3](%[cm]) \n\t"
825 "sb %[temp1], 0(%[dest_pix1]) \n\t"
826 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
827
828 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), [temp2] "=&r" (temp2),
829 [temp3] "=&r" (temp3), [dest_pix1] "+r" (dest_pix1)
830 : [cm] "r" (cm), [dest_stride] "r" (dest_stride),
831 [step3_12] "r" (step3_12), [step3_13] "r" (step3_13),
832 [step3_14] "r" (step3_14), [step3_15] "r" (step3_15)
833 );
834
835 __asm__ __volatile__ (
836 "lbu %[temp2], 0(%[dest_pix]) \n\t"
837 "add %[temp0], %[step1_4], %[step1_27] \n\t"
838 "addi %[temp0], %[temp0], 32 \n\t"
839 "sra %[temp0], %[temp0], 6 \n\t"
840 "add %[temp2], %[temp2], %[temp0] \n\t"
841 "lbux %[temp0], %[temp2](%[cm]) \n\t"
842 "add %[temp1], %[step1_5], %[step1_26] \n\t"
843 "sb %[temp0], 0(%[dest_pix]) \n\t"
844 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
845 "lbu %[temp3], 0(%[dest_pix]) \n\t"
846 "addi %[temp1], %[temp1], 32 \n\t"
847 "sra %[temp1], %[temp1], 6 \n\t"
848 "add %[temp3], %[temp3], %[temp1] \n\t"
849 "lbux %[temp1], %[temp3](%[cm]) \n\t"
850 "sb %[temp1], 0(%[dest_pix]) \n\t"
851 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
852
853 "lbu %[temp2], 0(%[dest_pix]) \n\t"
854 "add %[temp0], %[step1_6], %[step1_25] \n\t"
855 "addi %[temp0], %[temp0], 32 \n\t"
856 "sra %[temp0], %[temp0], 6 \n\t"
857 "add %[temp2], %[temp2], %[temp0] \n\t"
858 "lbux %[temp0], %[temp2](%[cm]) \n\t"
859 "add %[temp1], %[step1_7], %[step1_24] \n\t"
860 "sb %[temp0], 0(%[dest_pix]) \n\t"
861 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
862 "lbu %[temp3], 0(%[dest_pix]) \n\t"
863 "addi %[temp1], %[temp1], 32 \n\t"
864 "sra %[temp1], %[temp1], 6 \n\t"
865 "add %[temp3], %[temp3], %[temp1] \n\t"
866 "lbux %[temp1], %[temp3](%[cm]) \n\t"
867 "sb %[temp1], 0(%[dest_pix]) \n\t"
868 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
869
870 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), [temp2] "=&r" (temp2),
871 [temp3] "=&r" (temp3), [dest_pix] "+r" (dest_pix)
872 : [cm] "r" (cm), [dest_stride] "r" (dest_stride),
873 [step1_4] "r" (step1_4), [step1_5] "r" (step1_5),
874 [step1_6] "r" (step1_6), [step1_7] "r" (step1_7),
875 [step1_24] "r" (step1_24), [step1_25] "r" (step1_25),
876 [step1_26] "r" (step1_26), [step1_27] "r" (step1_27)
877 );
878
879 step3_12 = ROUND_POWER_OF_TWO((step1_7 - step1_24), 6);
880 step3_13 = ROUND_POWER_OF_TWO((step1_6 - step1_25), 6);
881 step3_14 = ROUND_POWER_OF_TWO((step1_5 - step1_26), 6);
882 step3_15 = ROUND_POWER_OF_TWO((step1_4 - step1_27), 6);
883
884 __asm__ __volatile__ (
885 "lbu %[temp2], 0(%[dest_pix1]) \n\t"
886 "add %[temp2], %[temp2], %[step3_15] \n\t"
887 "lbux %[temp0], %[temp2](%[cm]) \n\t"
888 "sb %[temp0], 0(%[dest_pix1]) \n\t"
889 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
890 "lbu %[temp3], 0(%[dest_pix1]) \n\t"
891 "add %[temp3], %[temp3], %[step3_14] \n\t"
892 "lbux %[temp1], %[temp3](%[cm]) \n\t"
893 "sb %[temp1], 0(%[dest_pix1]) \n\t"
894 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
895
896 "lbu %[temp2], 0(%[dest_pix1]) \n\t"
897 "add %[temp2], %[temp2], %[step3_13] \n\t"
898 "lbux %[temp0], %[temp2](%[cm]) \n\t"
899 "sb %[temp0], 0(%[dest_pix1]) \n\t"
900 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
901 "lbu %[temp3], 0(%[dest_pix1]) \n\t"
902 "add %[temp3], %[temp3], %[step3_12] \n\t"
903 "lbux %[temp1], %[temp3](%[cm]) \n\t"
904 "sb %[temp1], 0(%[dest_pix1]) \n\t"
905 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
906
907 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), [temp2] "=&r" (temp2),
908 [temp3] "=&r" (temp3), [dest_pix1] "+r" (dest_pix1)
909 : [cm] "r" (cm), [dest_stride] "r" (dest_stride),
910 [step3_12] "r" (step3_12), [step3_13] "r" (step3_13),
911 [step3_14] "r" (step3_14), [step3_15] "r" (step3_15)
912 );
913
914 __asm__ __volatile__ (
915 "lbu %[temp2], 0(%[dest_pix]) \n\t"
916 "add %[temp0], %[step1_8], %[step1_23] \n\t"
917 "addi %[temp0], %[temp0], 32 \n\t"
918 "sra %[temp0], %[temp0], 6 \n\t"
919 "add %[temp2], %[temp2], %[temp0] \n\t"
920 "lbux %[temp0], %[temp2](%[cm]) \n\t"
921 "add %[temp1], %[step1_9], %[step1_22] \n\t"
922 "sb %[temp0], 0(%[dest_pix]) \n\t"
923 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
924 "lbu %[temp3], 0(%[dest_pix]) \n\t"
925 "addi %[temp1], %[temp1], 32 \n\t"
926 "sra %[temp1], %[temp1], 6 \n\t"
927 "add %[temp3], %[temp3], %[temp1] \n\t"
928 "lbux %[temp1], %[temp3](%[cm]) \n\t"
929 "sb %[temp1], 0(%[dest_pix]) \n\t"
930 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
931
932 "lbu %[temp2], 0(%[dest_pix]) \n\t"
933 "add %[temp0], %[step1_10], %[step1_21] \n\t"
934 "addi %[temp0], %[temp0], 32 \n\t"
935 "sra %[temp0], %[temp0], 6 \n\t"
936 "add %[temp2], %[temp2], %[temp0] \n\t"
937 "lbux %[temp0], %[temp2](%[cm]) \n\t"
938 "add %[temp1], %[step1_11], %[step1_20] \n\t"
939 "sb %[temp0], 0(%[dest_pix]) \n\t"
940 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
941 "lbu %[temp3], 0(%[dest_pix]) \n\t"
942 "addi %[temp1], %[temp1], 32 \n\t"
943 "sra %[temp1], %[temp1], 6 \n\t"
944 "add %[temp3], %[temp3], %[temp1] \n\t"
945 "lbux %[temp1], %[temp3](%[cm]) \n\t"
946 "sb %[temp1], 0(%[dest_pix]) \n\t"
947 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
948
949 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), [temp2] "=&r" (temp2),
950 [temp3] "=&r" (temp3), [dest_pix] "+r" (dest_pix)
951 : [cm] "r" (cm), [dest_stride] "r" (dest_stride),
952 [step1_8] "r" (step1_8), [step1_9] "r" (step1_9),
953 [step1_10] "r" (step1_10), [step1_11] "r" (step1_11),
954 [step1_20] "r" (step1_20), [step1_21] "r" (step1_21),
955 [step1_22] "r" (step1_22), [step1_23] "r" (step1_23)
956 );
957
958 step3_12 = ROUND_POWER_OF_TWO((step1_11 - step1_20), 6);
959 step3_13 = ROUND_POWER_OF_TWO((step1_10 - step1_21), 6);
960 step3_14 = ROUND_POWER_OF_TWO((step1_9 - step1_22), 6);
961 step3_15 = ROUND_POWER_OF_TWO((step1_8 - step1_23), 6);
962
963 __asm__ __volatile__ (
964 "lbu %[temp2], 0(%[dest_pix1]) \n\t"
965 "add %[temp2], %[temp2], %[step3_15] \n\t"
966 "lbux %[temp0], %[temp2](%[cm]) \n\t"
967 "sb %[temp0], 0(%[dest_pix1]) \n\t"
968 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
969 "lbu %[temp3], 0(%[dest_pix1]) \n\t"
970 "add %[temp3], %[temp3], %[step3_14] \n\t"
971 "lbux %[temp1], %[temp3](%[cm]) \n\t"
972 "sb %[temp1], 0(%[dest_pix1]) \n\t"
973 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
974
975 "lbu %[temp2], 0(%[dest_pix1]) \n\t"
976 "add %[temp2], %[temp2], %[step3_13] \n\t"
977 "lbux %[temp0], %[temp2](%[cm]) \n\t"
978 "sb %[temp0], 0(%[dest_pix1]) \n\t"
979 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
980 "lbu %[temp3], 0(%[dest_pix1]) \n\t"
981 "add %[temp3], %[temp3], %[step3_12] \n\t"
982 "lbux %[temp1], %[temp3](%[cm]) \n\t"
983 "sb %[temp1], 0(%[dest_pix1]) \n\t"
984 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
985
986 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), [temp2] "=&r" (temp2),
987 [temp3] "=&r" (temp3), [dest_pix1] "+r" (dest_pix1)
988 : [cm] "r" (cm), [dest_stride] "r" (dest_stride),
989 [step3_12] "r" (step3_12), [step3_13] "r" (step3_13),
990 [step3_14] "r" (step3_14), [step3_15] "r" (step3_15)
991 );
992
993 __asm__ __volatile__ (
994 "lbu %[temp2], 0(%[dest_pix]) \n\t"
995 "add %[temp0], %[step1_12], %[step2_19] \n\t"
996 "addi %[temp0], %[temp0], 32 \n\t"
997 "sra %[temp0], %[temp0], 6 \n\t"
998 "add %[temp2], %[temp2], %[temp0] \n\t"
999 "lbux %[temp0], %[temp2](%[cm]) \n\t"
1000 "add %[temp1], %[step1_13], %[step2_18] \n\t"
1001 "sb %[temp0], 0(%[dest_pix]) \n\t"
1002 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
1003 "lbu %[temp3], 0(%[dest_pix]) \n\t"
1004 "addi %[temp1], %[temp1], 32 \n\t"
1005 "sra %[temp1], %[temp1], 6 \n\t"
1006 "add %[temp3], %[temp3], %[temp1] \n\t"
1007 "lbux %[temp1], %[temp3](%[cm]) \n\t"
1008 "sb %[temp1], 0(%[dest_pix]) \n\t"
1009 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
1010
1011 "lbu %[temp2], 0(%[dest_pix]) \n\t"
1012 "add %[temp0], %[step1_14], %[step2_17] \n\t"
1013 "addi %[temp0], %[temp0], 32 \n\t"
1014 "sra %[temp0], %[temp0], 6 \n\t"
1015 "add %[temp2], %[temp2], %[temp0] \n\t"
1016 "lbux %[temp0], %[temp2](%[cm]) \n\t"
1017 "add %[temp1], %[step1_15], %[step2_16] \n\t"
1018 "sb %[temp0], 0(%[dest_pix]) \n\t"
1019 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
1020 "lbu %[temp3], 0(%[dest_pix]) \n\t"
1021 "addi %[temp1], %[temp1], 32 \n\t"
1022 "sra %[temp1], %[temp1], 6 \n\t"
1023 "add %[temp3], %[temp3], %[temp1] \n\t"
1024 "lbux %[temp1], %[temp3](%[cm]) \n\t"
1025 "sb %[temp1], 0(%[dest_pix]) \n\t"
1026
1027 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), [temp2] "=&r" (temp2),
1028 [temp3] "=&r" (temp3), [dest_pix] "+r" (dest_pix)
1029 : [cm] "r" (cm), [dest_stride] "r" (dest_stride),
1030 [step1_12] "r" (step1_12), [step1_13] "r" (step1_13),
1031 [step1_14] "r" (step1_14), [step1_15] "r" (step1_15),
1032 [step2_16] "r" (step2_16), [step2_17] "r" (step2_17),
1033 [step2_18] "r" (step2_18), [step2_19] "r" (step2_19)
1034 );
1035
1036 step3_12 = ROUND_POWER_OF_TWO((step1_15 - step2_16), 6);
1037 step3_13 = ROUND_POWER_OF_TWO((step1_14 - step2_17), 6);
1038 step3_14 = ROUND_POWER_OF_TWO((step1_13 - step2_18), 6);
1039 step3_15 = ROUND_POWER_OF_TWO((step1_12 - step2_19), 6);
1040
1041 __asm__ __volatile__ (
1042 "lbu %[temp2], 0(%[dest_pix1]) \n\t"
1043 "add %[temp2], %[temp2], %[step3_15] \n\t"
1044 "lbux %[temp0], %[temp2](%[cm]) \n\t"
1045 "sb %[temp0], 0(%[dest_pix1]) \n\t"
1046 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
1047 "lbu %[temp3], 0(%[dest_pix1]) \n\t"
1048 "add %[temp3], %[temp3], %[step3_14] \n\t"
1049 "lbux %[temp1], %[temp3](%[cm]) \n\t"
1050 "sb %[temp1], 0(%[dest_pix1]) \n\t"
1051 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
1052
1053 "lbu %[temp2], 0(%[dest_pix1]) \n\t"
1054 "add %[temp2], %[temp2], %[step3_13] \n\t"
1055 "lbux %[temp0], %[temp2](%[cm]) \n\t"
1056 "sb %[temp0], 0(%[dest_pix1]) \n\t"
1057 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
1058 "lbu %[temp3], 0(%[dest_pix1]) \n\t"
1059 "add %[temp3], %[temp3], %[step3_12] \n\t"
1060 "lbux %[temp1], %[temp3](%[cm]) \n\t"
1061 "sb %[temp1], 0(%[dest_pix1]) \n\t"
1062
1063 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), [temp2] "=&r" (temp2),
1064 [temp3] "=&r" (temp3), [dest_pix1] "+r" (dest_pix1)
1065 : [cm] "r" (cm), [dest_stride] "r" (dest_stride),
1066 [step3_12] "r" (step3_12), [step3_13] "r" (step3_13),
1067 [step3_14] "r" (step3_14), [step3_15] "r" (step3_15)
1068 );
1069
1070 input += 32;
1071 }
1072 }
1073 #endif // #if HAVE_DSPR2
1074