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 "./vpx_config.h"
12 #include "vpx_dsp/mips/inv_txfm_dspr2.h"
13 #include "vpx_dsp/txfm_common.h"
14
15 #if HAVE_DSPR2
vpx_idct32_cols_add_blk_dspr2(int16_t * input,uint8_t * dest,int dest_stride)16 void vpx_idct32_cols_add_blk_dspr2(int16_t *input, uint8_t *dest,
17 int dest_stride) {
18 int16_t step1_0, step1_1, step1_2, step1_3, step1_4, step1_5, step1_6;
19 int16_t step1_7, step1_8, step1_9, step1_10, step1_11, step1_12, step1_13;
20 int16_t step1_14, step1_15, step1_16, step1_17, step1_18, step1_19;
21 int16_t step1_20, step1_21, step1_22, step1_23, step1_24, step1_25, step1_26;
22 int16_t step1_27, step1_28, step1_29, step1_30, step1_31;
23 int16_t step2_0, step2_1, step2_2, step2_3, step2_4, step2_5, step2_6;
24 int16_t step2_7, step2_8, step2_9, step2_10, step2_11, step2_12, step2_13;
25 int16_t step2_14, step2_15, step2_16, step2_17, step2_18, step2_19, step2_20;
26 int16_t step2_21, step2_22, step2_23, step2_24, step2_25, step2_26, step2_27;
27 int16_t step2_28, step2_29, step2_30, step2_31;
28 int16_t step3_8, step3_9, step3_10, step3_11, step3_12, step3_13, step3_14;
29 int16_t step3_15, step3_16, step3_17, step3_18, step3_19, step3_20, step3_21;
30 int16_t step3_22, step3_23, step3_24, step3_25, step3_26, step3_27;
31 int16_t step3_28, step3_29, step3_30, step3_31;
32 int temp0, temp1, temp2, temp3;
33 int load1, load2, load3, load4;
34 int result1, result2;
35 int i, temp21;
36 uint8_t *dest_pix, *dest_pix1;
37 const int const_2_power_13 = 8192;
38 uint8_t *cm = vpx_ff_cropTbl;
39
40 /* prefetch vpx_ff_cropTbl */
41 prefetch_load(vpx_ff_cropTbl);
42 prefetch_load(vpx_ff_cropTbl + 32);
43 prefetch_load(vpx_ff_cropTbl + 64);
44 prefetch_load(vpx_ff_cropTbl + 96);
45 prefetch_load(vpx_ff_cropTbl + 128);
46 prefetch_load(vpx_ff_cropTbl + 160);
47 prefetch_load(vpx_ff_cropTbl + 192);
48 prefetch_load(vpx_ff_cropTbl + 224);
49
50 for (i = 0; i < 32; ++i) {
51 dest_pix = dest + i;
52 dest_pix1 = dest + i + 31 * dest_stride;
53
54 __asm__ __volatile__ (
55 "lh %[load1], 2(%[input]) \n\t"
56 "lh %[load2], 62(%[input]) \n\t"
57 "lh %[load3], 34(%[input]) \n\t"
58 "lh %[load4], 30(%[input]) \n\t"
59
60 "mtlo %[const_2_power_13], $ac1 \n\t"
61 "mthi $zero, $ac1 \n\t"
62 "mtlo %[const_2_power_13], $ac3 \n\t"
63 "mthi $zero, $ac3 \n\t"
64
65 "madd $ac1, %[load1], %[cospi_31_64] \n\t"
66 "msub $ac1, %[load2], %[cospi_1_64] \n\t"
67 "extp %[temp0], $ac1, 31 \n\t"
68
69 "madd $ac3, %[load1], %[cospi_1_64] \n\t"
70 "madd $ac3, %[load2], %[cospi_31_64] \n\t"
71 "extp %[temp3], $ac3, 31 \n\t"
72
73 "mtlo %[const_2_power_13], $ac1 \n\t"
74 "mthi $zero, $ac1 \n\t"
75 "mtlo %[const_2_power_13], $ac2 \n\t"
76 "mthi $zero, $ac2 \n\t"
77
78 "madd $ac2, %[load3], %[cospi_15_64] \n\t"
79 "msub $ac2, %[load4], %[cospi_17_64] \n\t"
80 "extp %[temp1], $ac2, 31 \n\t"
81
82 "madd $ac1, %[load3], %[cospi_17_64] \n\t"
83 "madd $ac1, %[load4], %[cospi_15_64] \n\t"
84 "extp %[temp2], $ac1, 31 \n\t"
85
86 "mtlo %[const_2_power_13], $ac1 \n\t"
87 "mthi $zero, $ac1 \n\t"
88 "mtlo %[const_2_power_13], $ac3 \n\t"
89 "mthi $zero, $ac3 \n\t"
90
91 "sub %[load1], %[temp3], %[temp2] \n\t"
92 "sub %[load2], %[temp0], %[temp1] \n\t"
93
94 "madd $ac1, %[load1], %[cospi_28_64] \n\t"
95 "msub $ac1, %[load2], %[cospi_4_64] \n\t"
96 "madd $ac3, %[load1], %[cospi_4_64] \n\t"
97 "madd $ac3, %[load2], %[cospi_28_64] \n\t"
98
99 "extp %[step1_17], $ac1, 31 \n\t"
100 "extp %[step1_30], $ac3, 31 \n\t"
101 "add %[step1_16], %[temp0], %[temp1] \n\t"
102 "add %[step1_31], %[temp2], %[temp3] \n\t"
103
104 : [load1] "=&r" (load1), [load2] "=&r" (load2), [load3] "=&r" (load3),
105 [load4] "=&r" (load4), [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),
106 [temp2] "=&r" (temp2), [temp3] "=&r" (temp3),
107 [step1_16] "=r" (step1_16), [step1_17] "=r" (step1_17),
108 [step1_30] "=r" (step1_30), [step1_31] "=r" (step1_31)
109 : [const_2_power_13] "r" (const_2_power_13), [input] "r" (input),
110 [cospi_31_64] "r" (cospi_31_64), [cospi_1_64] "r" (cospi_1_64),
111 [cospi_4_64] "r" (cospi_4_64), [cospi_17_64] "r" (cospi_17_64),
112 [cospi_15_64] "r" (cospi_15_64), [cospi_28_64] "r" (cospi_28_64)
113 );
114
115 __asm__ __volatile__ (
116 "lh %[load1], 18(%[input]) \n\t"
117 "lh %[load2], 46(%[input]) \n\t"
118 "lh %[load3], 50(%[input]) \n\t"
119 "lh %[load4], 14(%[input]) \n\t"
120
121 "mtlo %[const_2_power_13], $ac1 \n\t"
122 "mthi $zero, $ac1 \n\t"
123 "mtlo %[const_2_power_13], $ac3 \n\t"
124 "mthi $zero, $ac3 \n\t"
125
126 "madd $ac1, %[load1], %[cospi_23_64] \n\t"
127 "msub $ac1, %[load2], %[cospi_9_64] \n\t"
128 "extp %[temp0], $ac1, 31 \n\t"
129
130 "madd $ac3, %[load1], %[cospi_9_64] \n\t"
131 "madd $ac3, %[load2], %[cospi_23_64] \n\t"
132 "extp %[temp3], $ac3, 31 \n\t"
133
134 "mtlo %[const_2_power_13], $ac1 \n\t"
135 "mthi $zero, $ac1 \n\t"
136 "mtlo %[const_2_power_13], $ac2 \n\t"
137 "mthi $zero, $ac2 \n\t"
138
139 "madd $ac2, %[load3], %[cospi_7_64] \n\t"
140 "msub $ac2, %[load4], %[cospi_25_64] \n\t"
141 "extp %[temp1], $ac2, 31 \n\t"
142
143 "madd $ac1, %[load3], %[cospi_25_64] \n\t"
144 "madd $ac1, %[load4], %[cospi_7_64] \n\t"
145 "extp %[temp2], $ac1, 31 \n\t"
146
147 "mtlo %[const_2_power_13], $ac1 \n\t"
148 "mthi $zero, $ac1 \n\t"
149 "mtlo %[const_2_power_13], $ac3 \n\t"
150 "mthi $zero, $ac3 \n\t"
151
152 "sub %[load1], %[temp1], %[temp0] \n\t"
153 "sub %[load2], %[temp2], %[temp3] \n\t"
154
155 "msub $ac1, %[load1], %[cospi_28_64] \n\t"
156 "msub $ac1, %[load2], %[cospi_4_64] \n\t"
157 "msub $ac3, %[load1], %[cospi_4_64] \n\t"
158 "madd $ac3, %[load2], %[cospi_28_64] \n\t"
159
160 "extp %[step1_18], $ac1, 31 \n\t"
161 "extp %[step1_29], $ac3, 31 \n\t"
162 "add %[step1_19], %[temp0], %[temp1] \n\t"
163 "add %[step1_28], %[temp2], %[temp3] \n\t"
164
165 : [load1] "=&r" (load1), [load2] "=&r" (load2), [load3] "=&r" (load3),
166 [load4] "=&r" (load4), [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),
167 [temp2] "=&r" (temp2), [temp3] "=&r" (temp3),
168 [step1_18] "=r" (step1_18), [step1_19] "=r" (step1_19),
169 [step1_28] "=r" (step1_28), [step1_29] "=r" (step1_29)
170 : [const_2_power_13] "r" (const_2_power_13), [input] "r" (input),
171 [cospi_23_64] "r" (cospi_23_64), [cospi_9_64] "r" (cospi_9_64),
172 [cospi_4_64] "r" (cospi_4_64), [cospi_7_64] "r" (cospi_7_64),
173 [cospi_25_64] "r" (cospi_25_64), [cospi_28_64] "r" (cospi_28_64)
174 );
175
176 __asm__ __volatile__ (
177 "lh %[load1], 10(%[input]) \n\t"
178 "lh %[load2], 54(%[input]) \n\t"
179 "lh %[load3], 42(%[input]) \n\t"
180 "lh %[load4], 22(%[input]) \n\t"
181
182 "mtlo %[const_2_power_13], $ac1 \n\t"
183 "mthi $zero, $ac1 \n\t"
184 "mtlo %[const_2_power_13], $ac3 \n\t"
185 "mthi $zero, $ac3 \n\t"
186
187 "madd $ac1, %[load1], %[cospi_27_64] \n\t"
188 "msub $ac1, %[load2], %[cospi_5_64] \n\t"
189 "extp %[temp0], $ac1, 31 \n\t"
190
191 "madd $ac3, %[load1], %[cospi_5_64] \n\t"
192 "madd $ac3, %[load2], %[cospi_27_64] \n\t"
193 "extp %[temp3], $ac3, 31 \n\t"
194
195 "mtlo %[const_2_power_13], $ac1 \n\t"
196 "mthi $zero, $ac1 \n\t"
197 "mtlo %[const_2_power_13], $ac2 \n\t"
198 "mthi $zero, $ac2 \n\t"
199
200 "madd $ac2, %[load3], %[cospi_11_64] \n\t"
201 "msub $ac2, %[load4], %[cospi_21_64] \n\t"
202 "extp %[temp1], $ac2, 31 \n\t"
203
204 "madd $ac1, %[load3], %[cospi_21_64] \n\t"
205 "madd $ac1, %[load4], %[cospi_11_64] \n\t"
206 "extp %[temp2], $ac1, 31 \n\t"
207
208 "mtlo %[const_2_power_13], $ac1 \n\t"
209 "mthi $zero, $ac1 \n\t"
210 "mtlo %[const_2_power_13], $ac3 \n\t"
211 "mthi $zero, $ac3 \n\t"
212
213 "sub %[load1], %[temp0], %[temp1] \n\t"
214 "sub %[load2], %[temp3], %[temp2] \n\t"
215
216 "madd $ac1, %[load2], %[cospi_12_64] \n\t"
217 "msub $ac1, %[load1], %[cospi_20_64] \n\t"
218 "madd $ac3, %[load1], %[cospi_12_64] \n\t"
219 "madd $ac3, %[load2], %[cospi_20_64] \n\t"
220
221 "extp %[step1_21], $ac1, 31 \n\t"
222 "extp %[step1_26], $ac3, 31 \n\t"
223 "add %[step1_20], %[temp0], %[temp1] \n\t"
224 "add %[step1_27], %[temp2], %[temp3] \n\t"
225
226 : [load1] "=&r" (load1), [load2] "=&r" (load2), [load3] "=&r" (load3),
227 [load4] "=&r" (load4), [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),
228 [temp2] "=&r" (temp2), [temp3] "=&r" (temp3),
229 [step1_20] "=r" (step1_20), [step1_21] "=r" (step1_21),
230 [step1_26] "=r" (step1_26), [step1_27] "=r" (step1_27)
231 : [const_2_power_13] "r" (const_2_power_13), [input] "r" (input),
232 [cospi_27_64] "r" (cospi_27_64), [cospi_5_64] "r" (cospi_5_64),
233 [cospi_11_64] "r" (cospi_11_64), [cospi_21_64] "r" (cospi_21_64),
234 [cospi_12_64] "r" (cospi_12_64), [cospi_20_64] "r" (cospi_20_64)
235 );
236
237 __asm__ __volatile__ (
238 "lh %[load1], 26(%[input]) \n\t"
239 "lh %[load2], 38(%[input]) \n\t"
240 "lh %[load3], 58(%[input]) \n\t"
241 "lh %[load4], 6(%[input]) \n\t"
242
243 "mtlo %[const_2_power_13], $ac1 \n\t"
244 "mthi $zero, $ac1 \n\t"
245 "mtlo %[const_2_power_13], $ac3 \n\t"
246 "mthi $zero, $ac3 \n\t"
247
248 "madd $ac1, %[load1], %[cospi_19_64] \n\t"
249 "msub $ac1, %[load2], %[cospi_13_64] \n\t"
250 "extp %[temp0], $ac1, 31 \n\t"
251 "madd $ac3, %[load1], %[cospi_13_64] \n\t"
252 "madd $ac3, %[load2], %[cospi_19_64] \n\t"
253 "extp %[temp3], $ac3, 31 \n\t"
254
255 "mtlo %[const_2_power_13], $ac1 \n\t"
256 "mthi $zero, $ac1 \n\t"
257 "mtlo %[const_2_power_13], $ac2 \n\t"
258 "mthi $zero, $ac2 \n\t"
259
260 "madd $ac2, %[load3], %[cospi_3_64] \n\t"
261 "msub $ac2, %[load4], %[cospi_29_64] \n\t"
262 "extp %[temp1], $ac2, 31 \n\t"
263 "madd $ac1, %[load3], %[cospi_29_64] \n\t"
264 "madd $ac1, %[load4], %[cospi_3_64] \n\t"
265 "extp %[temp2], $ac1, 31 \n\t"
266
267 "mtlo %[const_2_power_13], $ac1 \n\t"
268 "mthi $zero, $ac1 \n\t"
269 "mtlo %[const_2_power_13], $ac3 \n\t"
270 "mthi $zero, $ac3 \n\t"
271
272 "sub %[load1], %[temp1], %[temp0] \n\t"
273 "sub %[load2], %[temp2], %[temp3] \n\t"
274 "msub $ac1, %[load1], %[cospi_12_64] \n\t"
275 "msub $ac1, %[load2], %[cospi_20_64] \n\t"
276 "msub $ac3, %[load1], %[cospi_20_64] \n\t"
277 "madd $ac3, %[load2], %[cospi_12_64] \n\t"
278 "extp %[step1_22], $ac1, 31 \n\t"
279 "extp %[step1_25], $ac3, 31 \n\t"
280 "add %[step1_23], %[temp0], %[temp1] \n\t"
281 "add %[step1_24], %[temp2], %[temp3] \n\t"
282
283 : [load1] "=&r" (load1), [load2] "=&r" (load2), [load3] "=&r" (load3),
284 [load4] "=&r" (load4), [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),
285 [temp2] "=&r" (temp2), [temp3] "=&r" (temp3),
286 [step1_22] "=r" (step1_22), [step1_23] "=r" (step1_23),
287 [step1_24] "=r" (step1_24), [step1_25] "=r" (step1_25)
288 : [const_2_power_13] "r" (const_2_power_13), [input] "r" (input),
289 [cospi_19_64] "r" (cospi_19_64), [cospi_13_64] "r" (cospi_13_64),
290 [cospi_3_64] "r" (cospi_3_64), [cospi_29_64] "r" (cospi_29_64),
291 [cospi_12_64] "r" (cospi_12_64), [cospi_20_64] "r" (cospi_20_64)
292 );
293
294 __asm__ __volatile__ (
295 "lh %[load1], 4(%[input]) \n\t"
296 "lh %[load2], 60(%[input]) \n\t"
297 "lh %[load3], 36(%[input]) \n\t"
298 "lh %[load4], 28(%[input]) \n\t"
299
300 "mtlo %[const_2_power_13], $ac1 \n\t"
301 "mthi $zero, $ac1 \n\t"
302 "mtlo %[const_2_power_13], $ac3 \n\t"
303 "mthi $zero, $ac3 \n\t"
304
305 "madd $ac1, %[load1], %[cospi_30_64] \n\t"
306 "msub $ac1, %[load2], %[cospi_2_64] \n\t"
307 "extp %[temp0], $ac1, 31 \n\t"
308 "madd $ac3, %[load1], %[cospi_2_64] \n\t"
309 "madd $ac3, %[load2], %[cospi_30_64] \n\t"
310 "extp %[temp3], $ac3, 31 \n\t"
311
312 "mtlo %[const_2_power_13], $ac1 \n\t"
313 "mthi $zero, $ac1 \n\t"
314 "mtlo %[const_2_power_13], $ac2 \n\t"
315 "mthi $zero, $ac2 \n\t"
316
317 "madd $ac2, %[load3], %[cospi_14_64] \n\t"
318 "msub $ac2, %[load4], %[cospi_18_64] \n\t"
319 "extp %[temp1], $ac2, 31 \n\t"
320 "madd $ac1, %[load3], %[cospi_18_64] \n\t"
321 "madd $ac1, %[load4], %[cospi_14_64] \n\t"
322 "extp %[temp2], $ac1, 31 \n\t"
323
324 "mtlo %[const_2_power_13], $ac1 \n\t"
325 "mthi $zero, $ac1 \n\t"
326 "mtlo %[const_2_power_13], $ac3 \n\t"
327 "mthi $zero, $ac3 \n\t"
328
329 "sub %[load1], %[temp0], %[temp1] \n\t"
330 "sub %[load2], %[temp3], %[temp2] \n\t"
331 "msub $ac1, %[load1], %[cospi_8_64] \n\t"
332 "madd $ac1, %[load2], %[cospi_24_64] \n\t"
333 "madd $ac3, %[load1], %[cospi_24_64] \n\t"
334 "madd $ac3, %[load2], %[cospi_8_64] \n\t"
335 "extp %[step2_9], $ac1, 31 \n\t"
336 "extp %[step2_14], $ac3, 31 \n\t"
337 "add %[step2_8], %[temp0], %[temp1] \n\t"
338 "add %[step2_15], %[temp2], %[temp3] \n\t"
339
340 : [load1] "=&r" (load1), [load2] "=&r" (load2), [load3] "=&r" (load3),
341 [load4] "=&r" (load4), [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),
342 [temp2] "=&r" (temp2), [temp3] "=&r" (temp3),
343 [step2_8] "=r" (step2_8), [step2_9] "=r" (step2_9),
344 [step2_14] "=r" (step2_14), [step2_15] "=r" (step2_15)
345 : [const_2_power_13] "r" (const_2_power_13), [input] "r" (input),
346 [cospi_30_64] "r" (cospi_30_64), [cospi_2_64] "r" (cospi_2_64),
347 [cospi_14_64] "r" (cospi_14_64), [cospi_18_64] "r" (cospi_18_64),
348 [cospi_8_64] "r" (cospi_8_64), [cospi_24_64] "r" (cospi_24_64)
349 );
350
351 __asm__ __volatile__ (
352 "lh %[load1], 20(%[input]) \n\t"
353 "lh %[load2], 44(%[input]) \n\t"
354 "lh %[load3], 52(%[input]) \n\t"
355 "lh %[load4], 12(%[input]) \n\t"
356
357 "mtlo %[const_2_power_13], $ac1 \n\t"
358 "mthi $zero, $ac1 \n\t"
359 "mtlo %[const_2_power_13], $ac3 \n\t"
360 "mthi $zero, $ac3 \n\t"
361
362 "madd $ac1, %[load1], %[cospi_22_64] \n\t"
363 "msub $ac1, %[load2], %[cospi_10_64] \n\t"
364 "extp %[temp0], $ac1, 31 \n\t"
365 "madd $ac3, %[load1], %[cospi_10_64] \n\t"
366 "madd $ac3, %[load2], %[cospi_22_64] \n\t"
367 "extp %[temp3], $ac3, 31 \n\t"
368
369 "mtlo %[const_2_power_13], $ac1 \n\t"
370 "mthi $zero, $ac1 \n\t"
371 "mtlo %[const_2_power_13], $ac2 \n\t"
372 "mthi $zero, $ac2 \n\t"
373
374 "madd $ac2, %[load3], %[cospi_6_64] \n\t"
375 "msub $ac2, %[load4], %[cospi_26_64] \n\t"
376 "extp %[temp1], $ac2, 31 \n\t"
377 "madd $ac1, %[load3], %[cospi_26_64] \n\t"
378 "madd $ac1, %[load4], %[cospi_6_64] \n\t"
379 "extp %[temp2], $ac1, 31 \n\t"
380
381 "mtlo %[const_2_power_13], $ac1 \n\t"
382 "mthi $zero, $ac1 \n\t"
383 "mtlo %[const_2_power_13], $ac3 \n\t"
384 "mthi $zero, $ac3 \n\t"
385
386 "sub %[load1], %[temp1], %[temp0] \n\t"
387 "sub %[load2], %[temp2], %[temp3] \n\t"
388 "msub $ac1, %[load1], %[cospi_24_64] \n\t"
389 "msub $ac1, %[load2], %[cospi_8_64] \n\t"
390 "madd $ac3, %[load2], %[cospi_24_64] \n\t"
391 "msub $ac3, %[load1], %[cospi_8_64] \n\t"
392 "extp %[step2_10], $ac1, 31 \n\t"
393 "extp %[step2_13], $ac3, 31 \n\t"
394 "add %[step2_11], %[temp0], %[temp1] \n\t"
395 "add %[step2_12], %[temp2], %[temp3] \n\t"
396
397 : [load1] "=&r" (load1), [load2] "=&r" (load2), [load3] "=&r" (load3),
398 [load4] "=&r" (load4), [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),
399 [temp2] "=&r" (temp2), [temp3] "=&r" (temp3),
400 [step2_10] "=r" (step2_10), [step2_11] "=r" (step2_11),
401 [step2_12] "=r" (step2_12), [step2_13] "=r" (step2_13)
402 : [const_2_power_13] "r" (const_2_power_13), [input] "r" (input),
403 [cospi_22_64] "r" (cospi_22_64), [cospi_10_64] "r" (cospi_10_64),
404 [cospi_6_64] "r" (cospi_6_64), [cospi_26_64] "r" (cospi_26_64),
405 [cospi_8_64] "r" (cospi_8_64), [cospi_24_64] "r" (cospi_24_64)
406 );
407
408 __asm__ __volatile__ (
409 "mtlo %[const_2_power_13], $ac0 \n\t"
410 "mthi $zero, $ac0 \n\t"
411 "sub %[temp0], %[step2_14], %[step2_13] \n\t"
412 "sub %[temp0], %[temp0], %[step2_9] \n\t"
413 "add %[temp0], %[temp0], %[step2_10] \n\t"
414 "madd $ac0, %[temp0], %[cospi_16_64] \n\t"
415 "mtlo %[const_2_power_13], $ac1 \n\t"
416 "mthi $zero, $ac1 \n\t"
417 "sub %[temp1], %[step2_14], %[step2_13] \n\t"
418 "add %[temp1], %[temp1], %[step2_9] \n\t"
419 "sub %[temp1], %[temp1], %[step2_10] \n\t"
420 "madd $ac1, %[temp1], %[cospi_16_64] \n\t"
421 "mtlo %[const_2_power_13], $ac2 \n\t"
422 "mthi $zero, $ac2 \n\t"
423 "sub %[temp0], %[step2_15], %[step2_12] \n\t"
424 "sub %[temp0], %[temp0], %[step2_8] \n\t"
425 "add %[temp0], %[temp0], %[step2_11] \n\t"
426 "madd $ac2, %[temp0], %[cospi_16_64] \n\t"
427 "mtlo %[const_2_power_13], $ac3 \n\t"
428 "mthi $zero, $ac3 \n\t"
429 "sub %[temp1], %[step2_15], %[step2_12] \n\t"
430 "add %[temp1], %[temp1], %[step2_8] \n\t"
431 "sub %[temp1], %[temp1], %[step2_11] \n\t"
432 "madd $ac3, %[temp1], %[cospi_16_64] \n\t"
433
434 "add %[step3_8], %[step2_8], %[step2_11] \n\t"
435 "add %[step3_9], %[step2_9], %[step2_10] \n\t"
436 "add %[step3_14], %[step2_13], %[step2_14] \n\t"
437 "add %[step3_15], %[step2_12], %[step2_15] \n\t"
438 "extp %[step3_10], $ac0, 31 \n\t"
439 "extp %[step3_13], $ac1, 31 \n\t"
440 "extp %[step3_11], $ac2, 31 \n\t"
441 "extp %[step3_12], $ac3, 31 \n\t"
442
443 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),
444 [step3_8] "=r" (step3_8), [step3_9] "=r" (step3_9),
445 [step3_10] "=r" (step3_10), [step3_11] "=r" (step3_11),
446 [step3_12] "=r" (step3_12), [step3_13] "=r" (step3_13),
447 [step3_14] "=r" (step3_14), [step3_15] "=r" (step3_15)
448 : [const_2_power_13] "r" (const_2_power_13), [step2_8] "r" (step2_8),
449 [step2_9] "r" (step2_9), [step2_10] "r" (step2_10),
450 [step2_11] "r" (step2_11), [step2_12] "r" (step2_12),
451 [step2_13] "r" (step2_13), [step2_14] "r" (step2_14),
452 [step2_15] "r" (step2_15), [cospi_16_64] "r" (cospi_16_64)
453 );
454
455 step2_18 = step1_17 - step1_18;
456 step2_29 = step1_30 - step1_29;
457
458 __asm__ __volatile__ (
459 "mtlo %[const_2_power_13], $ac0 \n\t"
460 "mthi $zero, $ac0 \n\t"
461 "msub $ac0, %[step2_18], %[cospi_8_64] \n\t"
462 "madd $ac0, %[step2_29], %[cospi_24_64] \n\t"
463 "extp %[step3_18], $ac0, 31 \n\t"
464
465 : [step3_18] "=r" (step3_18)
466 : [const_2_power_13] "r" (const_2_power_13),
467 [step2_18] "r" (step2_18), [step2_29] "r" (step2_29),
468 [cospi_24_64] "r" (cospi_24_64), [cospi_8_64] "r" (cospi_8_64)
469 );
470
471 temp21 = step2_18 * cospi_24_64 + step2_29 * cospi_8_64;
472 step3_29 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
473
474 step2_19 = step1_16 - step1_19;
475 step2_28 = step1_31 - step1_28;
476
477 __asm__ __volatile__ (
478 "mtlo %[const_2_power_13], $ac0 \n\t"
479 "mthi $zero, $ac0 \n\t"
480 "msub $ac0, %[step2_19], %[cospi_8_64] \n\t"
481 "madd $ac0, %[step2_28], %[cospi_24_64] \n\t"
482 "extp %[step3_19], $ac0, 31 \n\t"
483
484 : [step3_19] "=r" (step3_19)
485 : [const_2_power_13] "r" (const_2_power_13),
486 [step2_19] "r" (step2_19), [step2_28] "r" (step2_28),
487 [cospi_24_64] "r" (cospi_24_64), [cospi_8_64] "r" (cospi_8_64)
488 );
489
490 temp21 = step2_19 * cospi_24_64 + step2_28 * cospi_8_64;
491 step3_28 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
492
493 step3_16 = step1_16 + step1_19;
494 step3_17 = step1_17 + step1_18;
495 step3_30 = step1_29 + step1_30;
496 step3_31 = step1_28 + step1_31;
497
498 step2_20 = step1_23 - step1_20;
499 step2_27 = step1_24 - step1_27;
500
501 __asm__ __volatile__ (
502 "mtlo %[const_2_power_13], $ac0 \n\t"
503 "mthi $zero, $ac0 \n\t"
504 "msub $ac0, %[step2_20], %[cospi_24_64] \n\t"
505 "msub $ac0, %[step2_27], %[cospi_8_64] \n\t"
506 "extp %[step3_20], $ac0, 31 \n\t"
507
508 : [step3_20] "=r" (step3_20)
509 : [const_2_power_13] "r" (const_2_power_13),
510 [step2_20] "r" (step2_20), [step2_27] "r" (step2_27),
511 [cospi_24_64] "r" (cospi_24_64), [cospi_8_64] "r" (cospi_8_64)
512 );
513
514 temp21 = -step2_20 * cospi_8_64 + step2_27 * cospi_24_64;
515 step3_27 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
516
517 step2_21 = step1_22 - step1_21;
518 step2_26 = step1_25 - step1_26;
519
520 __asm__ __volatile__ (
521 "mtlo %[const_2_power_13], $ac1 \n\t"
522 "mthi $zero, $ac1 \n\t"
523 "msub $ac1, %[step2_21], %[cospi_24_64] \n\t"
524 "msub $ac1, %[step2_26], %[cospi_8_64] \n\t"
525 "extp %[step3_21], $ac1, 31 \n\t"
526
527 : [step3_21] "=r" (step3_21)
528 : [const_2_power_13] "r" (const_2_power_13),
529 [step2_21] "r" (step2_21), [step2_26] "r" (step2_26),
530 [cospi_24_64] "r" (cospi_24_64), [cospi_8_64] "r" (cospi_8_64)
531 );
532
533 temp21 = -step2_21 * cospi_8_64 + step2_26 * cospi_24_64;
534 step3_26 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
535
536 step3_22 = step1_21 + step1_22;
537 step3_23 = step1_20 + step1_23;
538 step3_24 = step1_24 + step1_27;
539 step3_25 = step1_25 + step1_26;
540
541 step2_16 = step3_16 + step3_23;
542 step2_17 = step3_17 + step3_22;
543 step2_18 = step3_18 + step3_21;
544 step2_19 = step3_19 + step3_20;
545 step2_20 = step3_19 - step3_20;
546 step2_21 = step3_18 - step3_21;
547 step2_22 = step3_17 - step3_22;
548 step2_23 = step3_16 - step3_23;
549
550 step2_24 = step3_31 - step3_24;
551 step2_25 = step3_30 - step3_25;
552 step2_26 = step3_29 - step3_26;
553 step2_27 = step3_28 - step3_27;
554 step2_28 = step3_28 + step3_27;
555 step2_29 = step3_29 + step3_26;
556 step2_30 = step3_30 + step3_25;
557 step2_31 = step3_31 + step3_24;
558
559 __asm__ __volatile__ (
560 "lh %[load1], 0(%[input]) \n\t"
561 "lh %[load2], 32(%[input]) \n\t"
562 "lh %[load3], 16(%[input]) \n\t"
563 "lh %[load4], 48(%[input]) \n\t"
564
565 "mtlo %[const_2_power_13], $ac1 \n\t"
566 "mthi $zero, $ac1 \n\t"
567 "mtlo %[const_2_power_13], $ac2 \n\t"
568 "mthi $zero, $ac2 \n\t"
569 "add %[result1], %[load1], %[load2] \n\t"
570 "sub %[result2], %[load1], %[load2] \n\t"
571 "madd $ac1, %[result1], %[cospi_16_64] \n\t"
572 "madd $ac2, %[result2], %[cospi_16_64] \n\t"
573 "extp %[temp0], $ac1, 31 \n\t"
574 "extp %[temp1], $ac2, 31 \n\t"
575
576 "mtlo %[const_2_power_13], $ac3 \n\t"
577 "mthi $zero, $ac3 \n\t"
578 "madd $ac3, %[load3], %[cospi_24_64] \n\t"
579 "msub $ac3, %[load4], %[cospi_8_64] \n\t"
580 "extp %[temp2], $ac3, 31 \n\t"
581 "mtlo %[const_2_power_13], $ac1 \n\t"
582 "mthi $zero, $ac1 \n\t"
583 "madd $ac1, %[load3], %[cospi_8_64] \n\t"
584 "madd $ac1, %[load4], %[cospi_24_64] \n\t"
585 "extp %[temp3], $ac1, 31 \n\t"
586 "add %[step1_0], %[temp0], %[temp3] \n\t"
587 "add %[step1_1], %[temp1], %[temp2] \n\t"
588 "sub %[step1_2], %[temp1], %[temp2] \n\t"
589 "sub %[step1_3], %[temp0], %[temp3] \n\t"
590
591 : [load1] "=&r" (load1), [load2] "=&r" (load2),
592 [load3] "=&r" (load3), [load4] "=&r" (load4),
593 [result1] "=&r" (result1), [result2] "=&r" (result2),
594 [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),
595 [temp2] "=&r" (temp2), [temp3] "=&r" (temp3),
596 [step1_0] "=r" (step1_0), [step1_1] "=r" (step1_1),
597 [step1_2] "=r" (step1_2), [step1_3] "=r" (step1_3)
598 : [const_2_power_13] "r" (const_2_power_13), [input] "r" (input),
599 [cospi_24_64] "r" (cospi_24_64), [cospi_8_64] "r" (cospi_8_64),
600 [cospi_16_64] "r" (cospi_16_64)
601 );
602
603 __asm__ __volatile__ (
604 "lh %[load1], 8(%[input]) \n\t"
605 "lh %[load2], 56(%[input]) \n\t"
606 "lh %[load3], 40(%[input]) \n\t"
607 "lh %[load4], 24(%[input]) \n\t"
608
609 "mtlo %[const_2_power_13], $ac1 \n\t"
610 "mthi $zero, $ac1 \n\t"
611 "mtlo %[const_2_power_13], $ac3 \n\t"
612 "mthi $zero, $ac3 \n\t"
613
614 "madd $ac1, %[load1], %[cospi_28_64] \n\t"
615 "msub $ac1, %[load2], %[cospi_4_64] \n\t"
616 "extp %[temp0], $ac1, 31 \n\t"
617 "madd $ac3, %[load1], %[cospi_4_64] \n\t"
618 "madd $ac3, %[load2], %[cospi_28_64] \n\t"
619 "extp %[temp3], $ac3, 31 \n\t"
620
621 "mtlo %[const_2_power_13], $ac1 \n\t"
622 "mthi $zero, $ac1 \n\t"
623 "mtlo %[const_2_power_13], $ac2 \n\t"
624 "mthi $zero, $ac2 \n\t"
625
626 "madd $ac2, %[load3], %[cospi_12_64] \n\t"
627 "msub $ac2, %[load4], %[cospi_20_64] \n\t"
628 "extp %[temp1], $ac2, 31 \n\t"
629 "madd $ac1, %[load3], %[cospi_20_64] \n\t"
630 "madd $ac1, %[load4], %[cospi_12_64] \n\t"
631 "extp %[temp2], $ac1, 31 \n\t"
632
633 "mtlo %[const_2_power_13], $ac1 \n\t"
634 "mthi $zero, $ac1 \n\t"
635 "mtlo %[const_2_power_13], $ac3 \n\t"
636 "mthi $zero, $ac3 \n\t"
637
638 "sub %[load1], %[temp3], %[temp2] \n\t"
639 "sub %[load1], %[load1], %[temp0] \n\t"
640 "add %[load1], %[load1], %[temp1] \n\t"
641 "sub %[load2], %[temp0], %[temp1] \n\t"
642 "sub %[load2], %[load2], %[temp2] \n\t"
643 "add %[load2], %[load2], %[temp3] \n\t"
644 "madd $ac1, %[load1], %[cospi_16_64] \n\t"
645 "madd $ac3, %[load2], %[cospi_16_64] \n\t"
646
647 "extp %[step1_5], $ac1, 31 \n\t"
648 "extp %[step1_6], $ac3, 31 \n\t"
649 "add %[step1_4], %[temp0], %[temp1] \n\t"
650 "add %[step1_7], %[temp3], %[temp2] \n\t"
651
652 : [load1] "=&r" (load1), [load2] "=&r" (load2),
653 [load3] "=&r" (load3), [load4] "=&r" (load4),
654 [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),
655 [temp2] "=&r" (temp2), [temp3] "=&r" (temp3),
656 [step1_4] "=r" (step1_4), [step1_5] "=r" (step1_5),
657 [step1_6] "=r" (step1_6), [step1_7] "=r" (step1_7)
658 : [const_2_power_13] "r" (const_2_power_13), [input] "r" (input),
659 [cospi_20_64] "r" (cospi_20_64), [cospi_12_64] "r" (cospi_12_64),
660 [cospi_4_64] "r" (cospi_4_64), [cospi_28_64] "r" (cospi_28_64),
661 [cospi_16_64] "r" (cospi_16_64)
662 );
663
664 step2_0 = step1_0 + step1_7;
665 step2_1 = step1_1 + step1_6;
666 step2_2 = step1_2 + step1_5;
667 step2_3 = step1_3 + step1_4;
668 step2_4 = step1_3 - step1_4;
669 step2_5 = step1_2 - step1_5;
670 step2_6 = step1_1 - step1_6;
671 step2_7 = step1_0 - step1_7;
672
673 // stage 7
674 step1_0 = step2_0 + step3_15;
675 step1_1 = step2_1 + step3_14;
676 step1_2 = step2_2 + step3_13;
677 step1_3 = step2_3 + step3_12;
678 step1_4 = step2_4 + step3_11;
679 step1_5 = step2_5 + step3_10;
680 step1_6 = step2_6 + step3_9;
681 step1_7 = step2_7 + step3_8;
682 step1_8 = step2_7 - step3_8;
683 step1_9 = step2_6 - step3_9;
684 step1_10 = step2_5 - step3_10;
685 step1_11 = step2_4 - step3_11;
686 step1_12 = step2_3 - step3_12;
687 step1_13 = step2_2 - step3_13;
688 step1_14 = step2_1 - step3_14;
689 step1_15 = step2_0 - step3_15;
690
691 __asm__ __volatile__ (
692 "sub %[temp0], %[step2_27], %[step2_20] \n\t"
693 "mtlo %[const_2_power_13], $ac0 \n\t"
694 "mthi $zero, $ac0 \n\t"
695 "madd $ac0, %[temp0], %[cospi_16_64] \n\t"
696 "extp %[step1_20], $ac0, 31 \n\t"
697
698 : [temp0] "=&r" (temp0), [step1_20] "=r" (step1_20)
699 : [const_2_power_13] "r" (const_2_power_13), [step2_20] "r" (step2_20),
700 [step2_27] "r" (step2_27), [cospi_16_64] "r" (cospi_16_64)
701 );
702
703 temp21 = (step2_20 + step2_27) * cospi_16_64;
704 step1_27 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
705
706 __asm__ __volatile__ (
707 "sub %[temp0], %[step2_26], %[step2_21] \n\t"
708 "mtlo %[const_2_power_13], $ac0 \n\t"
709 "mthi $zero, $ac0 \n\t"
710 "madd $ac0, %[temp0], %[cospi_16_64] \n\t"
711 "extp %[step1_21], $ac0, 31 \n\t"
712
713 : [temp0] "=&r" (temp0), [step1_21] "=r" (step1_21)
714 : [const_2_power_13] "r" (const_2_power_13), [step2_26] "r" (step2_26),
715 [step2_21] "r" (step2_21), [cospi_16_64] "r" (cospi_16_64)
716 );
717
718 temp21 = (step2_21 + step2_26) * cospi_16_64;
719 step1_26 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
720
721 __asm__ __volatile__ (
722 "sub %[temp0], %[step2_25], %[step2_22] \n\t"
723 "mtlo %[const_2_power_13], $ac0 \n\t"
724 "mthi $zero, $ac0 \n\t"
725 "madd $ac0, %[temp0], %[cospi_16_64] \n\t"
726 "extp %[step1_22], $ac0, 31 \n\t"
727
728 : [temp0] "=&r" (temp0), [step1_22] "=r" (step1_22)
729 : [const_2_power_13] "r" (const_2_power_13), [step2_25] "r" (step2_25),
730 [step2_22] "r" (step2_22), [cospi_16_64] "r" (cospi_16_64)
731 );
732
733 temp21 = (step2_22 + step2_25) * cospi_16_64;
734 step1_25 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
735
736 __asm__ __volatile__ (
737 "sub %[temp0], %[step2_24], %[step2_23] \n\t"
738 "mtlo %[const_2_power_13], $ac0 \n\t"
739 "mthi $zero, $ac0 \n\t"
740 "madd $ac0, %[temp0], %[cospi_16_64] \n\t"
741 "extp %[step1_23], $ac0, 31 \n\t"
742
743 : [temp0] "=&r" (temp0), [step1_23] "=r" (step1_23)
744 : [const_2_power_13] "r" (const_2_power_13), [step2_24] "r" (step2_24),
745 [step2_23] "r" (step2_23), [cospi_16_64] "r" (cospi_16_64)
746 );
747
748 temp21 = (step2_23 + step2_24) * cospi_16_64;
749 step1_24 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;
750
751 __asm__ __volatile__ (
752 "lbu %[temp2], 0(%[dest_pix]) \n\t"
753 "add %[temp0], %[step1_0], %[step2_31] \n\t"
754 "addi %[temp0], %[temp0], 32 \n\t"
755 "sra %[temp0], %[temp0], 6 \n\t"
756 "add %[temp2], %[temp2], %[temp0] \n\t"
757 "lbux %[temp0], %[temp2](%[cm]) \n\t"
758 "add %[temp1], %[step1_1], %[step2_30] \n\t"
759 "sb %[temp0], 0(%[dest_pix]) \n\t"
760 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
761 "lbu %[temp3], 0(%[dest_pix]) \n\t"
762 "addi %[temp1], %[temp1], 32 \n\t"
763 "sra %[temp1], %[temp1], 6 \n\t"
764 "add %[temp3], %[temp3], %[temp1] \n\t"
765 "lbux %[temp1], %[temp3](%[cm]) \n\t"
766 "sb %[temp1], 0(%[dest_pix]) \n\t"
767 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
768
769 "lbu %[temp2], 0(%[dest_pix]) \n\t"
770 "add %[temp0], %[step1_2], %[step2_29] \n\t"
771 "addi %[temp0], %[temp0], 32 \n\t"
772 "sra %[temp0], %[temp0], 6 \n\t"
773 "add %[temp2], %[temp2], %[temp0] \n\t"
774 "lbux %[temp0], %[temp2](%[cm]) \n\t"
775 "add %[temp1], %[step1_3], %[step2_28] \n\t"
776 "sb %[temp0], 0(%[dest_pix]) \n\t"
777 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
778 "lbu %[temp3], 0(%[dest_pix]) \n\t"
779 "addi %[temp1], %[temp1], 32 \n\t"
780 "sra %[temp1], %[temp1], 6 \n\t"
781 "add %[temp3], %[temp3], %[temp1] \n\t"
782 "lbux %[temp1], %[temp3](%[cm]) \n\t"
783 "sb %[temp1], 0(%[dest_pix]) \n\t"
784 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
785
786 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), [temp2] "=&r" (temp2),
787 [temp3] "=&r" (temp3), [dest_pix] "+r" (dest_pix)
788 : [cm] "r" (cm), [dest_stride] "r" (dest_stride),
789 [step1_0] "r" (step1_0), [step1_1] "r" (step1_1),
790 [step1_2] "r" (step1_2), [step1_3] "r" (step1_3),
791 [step2_28] "r" (step2_28), [step2_29] "r" (step2_29),
792 [step2_30] "r" (step2_30), [step2_31] "r" (step2_31)
793 );
794
795 step3_12 = ROUND_POWER_OF_TWO((step1_3 - step2_28), 6);
796 step3_13 = ROUND_POWER_OF_TWO((step1_2 - step2_29), 6);
797 step3_14 = ROUND_POWER_OF_TWO((step1_1 - step2_30), 6);
798 step3_15 = ROUND_POWER_OF_TWO((step1_0 - step2_31), 6);
799
800 __asm__ __volatile__ (
801 "lbu %[temp2], 0(%[dest_pix1]) \n\t"
802 "add %[temp2], %[temp2], %[step3_15] \n\t"
803 "lbux %[temp0], %[temp2](%[cm]) \n\t"
804 "sb %[temp0], 0(%[dest_pix1]) \n\t"
805 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
806 "lbu %[temp3], 0(%[dest_pix1]) \n\t"
807 "add %[temp3], %[temp3], %[step3_14] \n\t"
808 "lbux %[temp1], %[temp3](%[cm]) \n\t"
809 "sb %[temp1], 0(%[dest_pix1]) \n\t"
810 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
811
812 "lbu %[temp2], 0(%[dest_pix1]) \n\t"
813 "add %[temp2], %[temp2], %[step3_13] \n\t"
814 "lbux %[temp0], %[temp2](%[cm]) \n\t"
815 "sb %[temp0], 0(%[dest_pix1]) \n\t"
816 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
817 "lbu %[temp3], 0(%[dest_pix1]) \n\t"
818 "add %[temp3], %[temp3], %[step3_12] \n\t"
819 "lbux %[temp1], %[temp3](%[cm]) \n\t"
820 "sb %[temp1], 0(%[dest_pix1]) \n\t"
821 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
822
823 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), [temp2] "=&r" (temp2),
824 [temp3] "=&r" (temp3), [dest_pix1] "+r" (dest_pix1)
825 : [cm] "r" (cm), [dest_stride] "r" (dest_stride),
826 [step3_12] "r" (step3_12), [step3_13] "r" (step3_13),
827 [step3_14] "r" (step3_14), [step3_15] "r" (step3_15)
828 );
829
830 __asm__ __volatile__ (
831 "lbu %[temp2], 0(%[dest_pix]) \n\t"
832 "add %[temp0], %[step1_4], %[step1_27] \n\t"
833 "addi %[temp0], %[temp0], 32 \n\t"
834 "sra %[temp0], %[temp0], 6 \n\t"
835 "add %[temp2], %[temp2], %[temp0] \n\t"
836 "lbux %[temp0], %[temp2](%[cm]) \n\t"
837 "add %[temp1], %[step1_5], %[step1_26] \n\t"
838 "sb %[temp0], 0(%[dest_pix]) \n\t"
839 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
840 "lbu %[temp3], 0(%[dest_pix]) \n\t"
841 "addi %[temp1], %[temp1], 32 \n\t"
842 "sra %[temp1], %[temp1], 6 \n\t"
843 "add %[temp3], %[temp3], %[temp1] \n\t"
844 "lbux %[temp1], %[temp3](%[cm]) \n\t"
845 "sb %[temp1], 0(%[dest_pix]) \n\t"
846 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
847
848 "lbu %[temp2], 0(%[dest_pix]) \n\t"
849 "add %[temp0], %[step1_6], %[step1_25] \n\t"
850 "addi %[temp0], %[temp0], 32 \n\t"
851 "sra %[temp0], %[temp0], 6 \n\t"
852 "add %[temp2], %[temp2], %[temp0] \n\t"
853 "lbux %[temp0], %[temp2](%[cm]) \n\t"
854 "add %[temp1], %[step1_7], %[step1_24] \n\t"
855 "sb %[temp0], 0(%[dest_pix]) \n\t"
856 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
857 "lbu %[temp3], 0(%[dest_pix]) \n\t"
858 "addi %[temp1], %[temp1], 32 \n\t"
859 "sra %[temp1], %[temp1], 6 \n\t"
860 "add %[temp3], %[temp3], %[temp1] \n\t"
861 "lbux %[temp1], %[temp3](%[cm]) \n\t"
862 "sb %[temp1], 0(%[dest_pix]) \n\t"
863 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
864
865 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), [temp2] "=&r" (temp2),
866 [temp3] "=&r" (temp3), [dest_pix] "+r" (dest_pix)
867 : [cm] "r" (cm), [dest_stride] "r" (dest_stride),
868 [step1_4] "r" (step1_4), [step1_5] "r" (step1_5),
869 [step1_6] "r" (step1_6), [step1_7] "r" (step1_7),
870 [step1_24] "r" (step1_24), [step1_25] "r" (step1_25),
871 [step1_26] "r" (step1_26), [step1_27] "r" (step1_27)
872 );
873
874 step3_12 = ROUND_POWER_OF_TWO((step1_7 - step1_24), 6);
875 step3_13 = ROUND_POWER_OF_TWO((step1_6 - step1_25), 6);
876 step3_14 = ROUND_POWER_OF_TWO((step1_5 - step1_26), 6);
877 step3_15 = ROUND_POWER_OF_TWO((step1_4 - step1_27), 6);
878
879 __asm__ __volatile__ (
880 "lbu %[temp2], 0(%[dest_pix1]) \n\t"
881 "add %[temp2], %[temp2], %[step3_15] \n\t"
882 "lbux %[temp0], %[temp2](%[cm]) \n\t"
883 "sb %[temp0], 0(%[dest_pix1]) \n\t"
884 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
885 "lbu %[temp3], 0(%[dest_pix1]) \n\t"
886 "add %[temp3], %[temp3], %[step3_14] \n\t"
887 "lbux %[temp1], %[temp3](%[cm]) \n\t"
888 "sb %[temp1], 0(%[dest_pix1]) \n\t"
889 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
890
891 "lbu %[temp2], 0(%[dest_pix1]) \n\t"
892 "add %[temp2], %[temp2], %[step3_13] \n\t"
893 "lbux %[temp0], %[temp2](%[cm]) \n\t"
894 "sb %[temp0], 0(%[dest_pix1]) \n\t"
895 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
896 "lbu %[temp3], 0(%[dest_pix1]) \n\t"
897 "add %[temp3], %[temp3], %[step3_12] \n\t"
898 "lbux %[temp1], %[temp3](%[cm]) \n\t"
899 "sb %[temp1], 0(%[dest_pix1]) \n\t"
900 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
901
902 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), [temp2] "=&r" (temp2),
903 [temp3] "=&r" (temp3), [dest_pix1] "+r" (dest_pix1)
904 : [cm] "r" (cm), [dest_stride] "r" (dest_stride),
905 [step3_12] "r" (step3_12), [step3_13] "r" (step3_13),
906 [step3_14] "r" (step3_14), [step3_15] "r" (step3_15)
907 );
908
909 __asm__ __volatile__ (
910 "lbu %[temp2], 0(%[dest_pix]) \n\t"
911 "add %[temp0], %[step1_8], %[step1_23] \n\t"
912 "addi %[temp0], %[temp0], 32 \n\t"
913 "sra %[temp0], %[temp0], 6 \n\t"
914 "add %[temp2], %[temp2], %[temp0] \n\t"
915 "lbux %[temp0], %[temp2](%[cm]) \n\t"
916 "add %[temp1], %[step1_9], %[step1_22] \n\t"
917 "sb %[temp0], 0(%[dest_pix]) \n\t"
918 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
919 "lbu %[temp3], 0(%[dest_pix]) \n\t"
920 "addi %[temp1], %[temp1], 32 \n\t"
921 "sra %[temp1], %[temp1], 6 \n\t"
922 "add %[temp3], %[temp3], %[temp1] \n\t"
923 "lbux %[temp1], %[temp3](%[cm]) \n\t"
924 "sb %[temp1], 0(%[dest_pix]) \n\t"
925 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
926
927 "lbu %[temp2], 0(%[dest_pix]) \n\t"
928 "add %[temp0], %[step1_10], %[step1_21] \n\t"
929 "addi %[temp0], %[temp0], 32 \n\t"
930 "sra %[temp0], %[temp0], 6 \n\t"
931 "add %[temp2], %[temp2], %[temp0] \n\t"
932 "lbux %[temp0], %[temp2](%[cm]) \n\t"
933 "add %[temp1], %[step1_11], %[step1_20] \n\t"
934 "sb %[temp0], 0(%[dest_pix]) \n\t"
935 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
936 "lbu %[temp3], 0(%[dest_pix]) \n\t"
937 "addi %[temp1], %[temp1], 32 \n\t"
938 "sra %[temp1], %[temp1], 6 \n\t"
939 "add %[temp3], %[temp3], %[temp1] \n\t"
940 "lbux %[temp1], %[temp3](%[cm]) \n\t"
941 "sb %[temp1], 0(%[dest_pix]) \n\t"
942 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
943
944 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), [temp2] "=&r" (temp2),
945 [temp3] "=&r" (temp3), [dest_pix] "+r" (dest_pix)
946 : [cm] "r" (cm), [dest_stride] "r" (dest_stride),
947 [step1_8] "r" (step1_8), [step1_9] "r" (step1_9),
948 [step1_10] "r" (step1_10), [step1_11] "r" (step1_11),
949 [step1_20] "r" (step1_20), [step1_21] "r" (step1_21),
950 [step1_22] "r" (step1_22), [step1_23] "r" (step1_23)
951 );
952
953 step3_12 = ROUND_POWER_OF_TWO((step1_11 - step1_20), 6);
954 step3_13 = ROUND_POWER_OF_TWO((step1_10 - step1_21), 6);
955 step3_14 = ROUND_POWER_OF_TWO((step1_9 - step1_22), 6);
956 step3_15 = ROUND_POWER_OF_TWO((step1_8 - step1_23), 6);
957
958 __asm__ __volatile__ (
959 "lbu %[temp2], 0(%[dest_pix1]) \n\t"
960 "add %[temp2], %[temp2], %[step3_15] \n\t"
961 "lbux %[temp0], %[temp2](%[cm]) \n\t"
962 "sb %[temp0], 0(%[dest_pix1]) \n\t"
963 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
964 "lbu %[temp3], 0(%[dest_pix1]) \n\t"
965 "add %[temp3], %[temp3], %[step3_14] \n\t"
966 "lbux %[temp1], %[temp3](%[cm]) \n\t"
967 "sb %[temp1], 0(%[dest_pix1]) \n\t"
968 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
969
970 "lbu %[temp2], 0(%[dest_pix1]) \n\t"
971 "add %[temp2], %[temp2], %[step3_13] \n\t"
972 "lbux %[temp0], %[temp2](%[cm]) \n\t"
973 "sb %[temp0], 0(%[dest_pix1]) \n\t"
974 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
975 "lbu %[temp3], 0(%[dest_pix1]) \n\t"
976 "add %[temp3], %[temp3], %[step3_12] \n\t"
977 "lbux %[temp1], %[temp3](%[cm]) \n\t"
978 "sb %[temp1], 0(%[dest_pix1]) \n\t"
979 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
980
981 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), [temp2] "=&r" (temp2),
982 [temp3] "=&r" (temp3), [dest_pix1] "+r" (dest_pix1)
983 : [cm] "r" (cm), [dest_stride] "r" (dest_stride),
984 [step3_12] "r" (step3_12), [step3_13] "r" (step3_13),
985 [step3_14] "r" (step3_14), [step3_15] "r" (step3_15)
986 );
987
988 __asm__ __volatile__ (
989 "lbu %[temp2], 0(%[dest_pix]) \n\t"
990 "add %[temp0], %[step1_12], %[step2_19] \n\t"
991 "addi %[temp0], %[temp0], 32 \n\t"
992 "sra %[temp0], %[temp0], 6 \n\t"
993 "add %[temp2], %[temp2], %[temp0] \n\t"
994 "lbux %[temp0], %[temp2](%[cm]) \n\t"
995 "add %[temp1], %[step1_13], %[step2_18] \n\t"
996 "sb %[temp0], 0(%[dest_pix]) \n\t"
997 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
998 "lbu %[temp3], 0(%[dest_pix]) \n\t"
999 "addi %[temp1], %[temp1], 32 \n\t"
1000 "sra %[temp1], %[temp1], 6 \n\t"
1001 "add %[temp3], %[temp3], %[temp1] \n\t"
1002 "lbux %[temp1], %[temp3](%[cm]) \n\t"
1003 "sb %[temp1], 0(%[dest_pix]) \n\t"
1004 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
1005
1006 "lbu %[temp2], 0(%[dest_pix]) \n\t"
1007 "add %[temp0], %[step1_14], %[step2_17] \n\t"
1008 "addi %[temp0], %[temp0], 32 \n\t"
1009 "sra %[temp0], %[temp0], 6 \n\t"
1010 "add %[temp2], %[temp2], %[temp0] \n\t"
1011 "lbux %[temp0], %[temp2](%[cm]) \n\t"
1012 "add %[temp1], %[step1_15], %[step2_16] \n\t"
1013 "sb %[temp0], 0(%[dest_pix]) \n\t"
1014 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"
1015 "lbu %[temp3], 0(%[dest_pix]) \n\t"
1016 "addi %[temp1], %[temp1], 32 \n\t"
1017 "sra %[temp1], %[temp1], 6 \n\t"
1018 "add %[temp3], %[temp3], %[temp1] \n\t"
1019 "lbux %[temp1], %[temp3](%[cm]) \n\t"
1020 "sb %[temp1], 0(%[dest_pix]) \n\t"
1021
1022 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), [temp2] "=&r" (temp2),
1023 [temp3] "=&r" (temp3), [dest_pix] "+r" (dest_pix)
1024 : [cm] "r" (cm), [dest_stride] "r" (dest_stride),
1025 [step1_12] "r" (step1_12), [step1_13] "r" (step1_13),
1026 [step1_14] "r" (step1_14), [step1_15] "r" (step1_15),
1027 [step2_16] "r" (step2_16), [step2_17] "r" (step2_17),
1028 [step2_18] "r" (step2_18), [step2_19] "r" (step2_19)
1029 );
1030
1031 step3_12 = ROUND_POWER_OF_TWO((step1_15 - step2_16), 6);
1032 step3_13 = ROUND_POWER_OF_TWO((step1_14 - step2_17), 6);
1033 step3_14 = ROUND_POWER_OF_TWO((step1_13 - step2_18), 6);
1034 step3_15 = ROUND_POWER_OF_TWO((step1_12 - step2_19), 6);
1035
1036 __asm__ __volatile__ (
1037 "lbu %[temp2], 0(%[dest_pix1]) \n\t"
1038 "add %[temp2], %[temp2], %[step3_15] \n\t"
1039 "lbux %[temp0], %[temp2](%[cm]) \n\t"
1040 "sb %[temp0], 0(%[dest_pix1]) \n\t"
1041 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
1042 "lbu %[temp3], 0(%[dest_pix1]) \n\t"
1043 "add %[temp3], %[temp3], %[step3_14] \n\t"
1044 "lbux %[temp1], %[temp3](%[cm]) \n\t"
1045 "sb %[temp1], 0(%[dest_pix1]) \n\t"
1046 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
1047
1048 "lbu %[temp2], 0(%[dest_pix1]) \n\t"
1049 "add %[temp2], %[temp2], %[step3_13] \n\t"
1050 "lbux %[temp0], %[temp2](%[cm]) \n\t"
1051 "sb %[temp0], 0(%[dest_pix1]) \n\t"
1052 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"
1053 "lbu %[temp3], 0(%[dest_pix1]) \n\t"
1054 "add %[temp3], %[temp3], %[step3_12] \n\t"
1055 "lbux %[temp1], %[temp3](%[cm]) \n\t"
1056 "sb %[temp1], 0(%[dest_pix1]) \n\t"
1057
1058 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), [temp2] "=&r" (temp2),
1059 [temp3] "=&r" (temp3), [dest_pix1] "+r" (dest_pix1)
1060 : [cm] "r" (cm), [dest_stride] "r" (dest_stride),
1061 [step3_12] "r" (step3_12), [step3_13] "r" (step3_13),
1062 [step3_14] "r" (step3_14), [step3_15] "r" (step3_15)
1063 );
1064
1065 input += 32;
1066 }
1067 }
1068 #endif // #if HAVE_DSPR2
1069