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#include <stdlib.h>
11
12#include "./vp9_rtcd.h"
13#include "vp9/common/vp9_common.h"
14#include "vp9/common/mips/dspr2/vp9_common_dspr2.h"
15
16#if HAVE_DSPR2
17void vp9_h_predictor_8x8_dspr2(uint8_t *dst, ptrdiff_t stride,
18                               const uint8_t *above, const uint8_t *left) {
19  int32_t  tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp8;
20
21  __asm__ __volatile__ (
22      "lb         %[tmp1],      (%[left])                   \n\t"
23      "lb         %[tmp2],      1(%[left])                  \n\t"
24      "lb         %[tmp3],      2(%[left])                  \n\t"
25      "lb         %[tmp4],      3(%[left])                  \n\t"
26      "lb         %[tmp5],      4(%[left])                  \n\t"
27      "lb         %[tmp6],      5(%[left])                  \n\t"
28      "lb         %[tmp7],      6(%[left])                  \n\t"
29      "lb         %[tmp8],      7(%[left])                  \n\t"
30
31      "replv.qb   %[tmp1],      %[tmp1]                     \n\t"
32      "replv.qb   %[tmp2],      %[tmp2]                     \n\t"
33      "replv.qb   %[tmp3],      %[tmp3]                     \n\t"
34      "replv.qb   %[tmp4],      %[tmp4]                     \n\t"
35      "replv.qb   %[tmp5],      %[tmp5]                     \n\t"
36      "replv.qb   %[tmp6],      %[tmp6]                     \n\t"
37      "replv.qb   %[tmp7],      %[tmp7]                     \n\t"
38      "replv.qb   %[tmp8],      %[tmp8]                     \n\t"
39
40      "sw         %[tmp1],      (%[dst])                    \n\t"
41      "sw         %[tmp1],      4(%[dst])                   \n\t"
42      "add        %[dst],       %[dst],         %[stride]   \n\t"
43      "sw         %[tmp2],      (%[dst])                    \n\t"
44      "sw         %[tmp2],      4(%[dst])                   \n\t"
45      "add        %[dst],       %[dst],         %[stride]   \n\t"
46      "sw         %[tmp3],      (%[dst])                    \n\t"
47      "sw         %[tmp3],      4(%[dst])                   \n\t"
48      "add        %[dst],       %[dst],         %[stride]   \n\t"
49      "sw         %[tmp4],      (%[dst])                    \n\t"
50      "sw         %[tmp4],      4(%[dst])                   \n\t"
51      "add        %[dst],       %[dst],         %[stride]   \n\t"
52      "sw         %[tmp5],      (%[dst])                    \n\t"
53      "sw         %[tmp5],      4(%[dst])                   \n\t"
54      "add        %[dst],       %[dst],         %[stride]   \n\t"
55      "sw         %[tmp6],      (%[dst])                    \n\t"
56      "sw         %[tmp6],      4(%[dst])                   \n\t"
57      "add        %[dst],       %[dst],         %[stride]   \n\t"
58      "sw         %[tmp7],      (%[dst])                    \n\t"
59      "sw         %[tmp7],      4(%[dst])                   \n\t"
60      "add        %[dst],       %[dst],         %[stride]   \n\t"
61      "sw         %[tmp8],      (%[dst])                    \n\t"
62      "sw         %[tmp8],      4(%[dst])                   \n\t"
63
64      : [tmp1] "=&r" (tmp1), [tmp2] "=&r" (tmp2),
65        [tmp3] "=&r" (tmp3), [tmp4] "=&r" (tmp4),
66        [tmp5] "=&r" (tmp5), [tmp7] "=&r" (tmp7),
67        [tmp6] "=&r" (tmp6), [tmp8] "=&r" (tmp8)
68      : [left] "r" (left), [dst] "r" (dst),
69        [stride] "r" (stride)
70  );
71}
72
73void vp9_dc_predictor_8x8_dspr2(uint8_t *dst, ptrdiff_t stride,
74                                const uint8_t *above, const uint8_t *left) {
75  int32_t  expected_dc;
76  int32_t  average;
77  int32_t  tmp, above1, above_l1, above_r1, left1, left_r1, left_l1;
78  int32_t  above2, above_l2, above_r2, left2, left_r2, left_l2;
79
80  __asm__ __volatile__ (
81      "lw              %[above1],         (%[above])                      \n\t"
82      "lw              %[above2],         4(%[above])                     \n\t"
83      "lw              %[left1],          (%[left])                       \n\t"
84      "lw              %[left2],          4(%[left])                      \n\t"
85
86      "preceu.ph.qbl   %[above_l1],       %[above1]                       \n\t"
87      "preceu.ph.qbr   %[above_r1],       %[above1]                       \n\t"
88      "preceu.ph.qbl   %[left_l1],        %[left1]                        \n\t"
89      "preceu.ph.qbr   %[left_r1],        %[left1]                        \n\t"
90
91      "preceu.ph.qbl   %[above_l2],       %[above2]                       \n\t"
92      "preceu.ph.qbr   %[above_r2],       %[above2]                       \n\t"
93      "preceu.ph.qbl   %[left_l2],        %[left2]                        \n\t"
94      "preceu.ph.qbr   %[left_r2],        %[left2]                        \n\t"
95
96      "addu.ph         %[average],        %[above_r1],      %[above_l1]   \n\t"
97      "addu.ph         %[average],        %[average],       %[left_l1]    \n\t"
98      "addu.ph         %[average],        %[average],       %[left_r1]    \n\t"
99
100      "addu.ph         %[average],        %[average],       %[above_l2]   \n\t"
101      "addu.ph         %[average],        %[average],       %[above_r2]   \n\t"
102      "addu.ph         %[average],        %[average],       %[left_l2]    \n\t"
103      "addu.ph         %[average],        %[average],       %[left_r2]    \n\t"
104
105      "addiu           %[average],        %[average],       8             \n\t"
106
107      "srl             %[tmp],            %[average],       16            \n\t"
108      "addu.ph         %[average],        %[tmp],           %[average]    \n\t"
109      "srl             %[expected_dc],    %[average],       4             \n\t"
110      "replv.qb        %[expected_dc],    %[expected_dc]                  \n\t"
111
112      "sw              %[expected_dc],    (%[dst])                        \n\t"
113      "sw              %[expected_dc],    4(%[dst])                       \n\t"
114
115      "add             %[dst],             %[dst],          %[stride]     \n\t"
116      "sw              %[expected_dc],    (%[dst])                        \n\t"
117      "sw              %[expected_dc],    4(%[dst])                       \n\t"
118
119      "add             %[dst],             %[dst],          %[stride]     \n\t"
120      "sw              %[expected_dc],    (%[dst])                        \n\t"
121      "sw              %[expected_dc],    4(%[dst])                       \n\t"
122
123      "add             %[dst],             %[dst],          %[stride]     \n\t"
124      "sw              %[expected_dc],    (%[dst])                        \n\t"
125      "sw              %[expected_dc],    4(%[dst])                       \n\t"
126
127      "add             %[dst],             %[dst],          %[stride]     \n\t"
128      "sw              %[expected_dc],    (%[dst])                        \n\t"
129      "sw              %[expected_dc],    4(%[dst])                       \n\t"
130
131      "add             %[dst],             %[dst],          %[stride]     \n\t"
132      "sw              %[expected_dc],    (%[dst])                        \n\t"
133      "sw              %[expected_dc],    4(%[dst])                       \n\t"
134
135      "add             %[dst],             %[dst],          %[stride]     \n\t"
136      "sw              %[expected_dc],    (%[dst])                        \n\t"
137      "sw              %[expected_dc],    4(%[dst])                       \n\t"
138
139      "add             %[dst],             %[dst],          %[stride]     \n\t"
140      "sw              %[expected_dc],    (%[dst])                        \n\t"
141      "sw              %[expected_dc],    4(%[dst])                       \n\t"
142
143      : [above1] "=&r" (above1), [above_l1] "=&r" (above_l1),
144        [above_r1] "=&r" (above_r1), [left1] "=&r" (left1),
145        [left_l1] "=&r" (left_l1), [left_r1] "=&r" (left_r1),
146        [above2] "=&r" (above2), [above_l2] "=&r" (above_l2),
147        [above_r2] "=&r" (above_r2), [left2] "=&r" (left2),
148        [left_l2] "=&r" (left_l2), [left_r2] "=&r" (left_r2),
149        [average] "=&r" (average), [tmp] "=&r" (tmp),
150        [expected_dc] "=&r" (expected_dc)
151      : [above] "r" (above), [left] "r" (left), [dst] "r" (dst),
152        [stride] "r" (stride)
153  );
154}
155
156void vp9_tm_predictor_8x8_dspr2(uint8_t *dst, ptrdiff_t stride,
157                                const uint8_t *above, const uint8_t *left) {
158  int32_t   abovel, abover;
159  int32_t   abovel_1, abover_1;
160  int32_t   left0;
161  int32_t   res0, res1, res2, res3;
162  int32_t   reshw;
163  int32_t   top_left;
164  uint8_t   *cm = vp9_ff_cropTbl;
165
166  __asm__ __volatile__ (
167      "ulw             %[reshw],       (%[above])                         \n\t"
168      "ulw             %[top_left],    4(%[above])                        \n\t"
169
170      "lbu             %[left0],       (%[left])                          \n\t"
171
172      "preceu.ph.qbl   %[abovel],      %[reshw]                           \n\t"
173      "preceu.ph.qbr   %[abover],      %[reshw]                           \n\t"
174      "preceu.ph.qbl   %[abovel_1],    %[top_left]                        \n\t"
175      "preceu.ph.qbr   %[abover_1],    %[top_left]                        \n\t"
176
177      "lbu             %[top_left],    -1(%[above])                       \n\t"
178      "replv.ph        %[left0],       %[left0]                           \n\t"
179
180      "replv.ph        %[top_left],    %[top_left]                        \n\t"
181
182      "addu.ph         %[reshw],       %[abovel],           %[left0]      \n\t"
183      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
184
185      "sll             %[res2],        %[reshw],            16            \n\t"
186      "sra             %[res2],        %[res2],             16            \n\t"
187      "sra             %[res3],        %[reshw],            16            \n\t"
188
189      "addu.ph         %[reshw],       %[abover],           %[left0]      \n\t"
190      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
191
192      "sll             %[res0],        %[reshw],            16            \n\t"
193      "sra             %[res0],        %[res0],             16            \n\t"
194      "sra             %[res1],        %[reshw],            16            \n\t"
195
196      "lbux            %[res0],        %[res0](%[cm])                     \n\t"
197      "lbux            %[res1],        %[res1](%[cm])                     \n\t"
198      "lbux            %[res2],        %[res2](%[cm])                     \n\t"
199      "lbux            %[res3],        %[res3](%[cm])                     \n\t"
200
201      "sb              %[res0],        (%[dst])                           \n\t"
202      "sb              %[res1],        1(%[dst])                          \n\t"
203      "sb              %[res2],        2(%[dst])                          \n\t"
204      "sb              %[res3],        3(%[dst])                          \n\t"
205
206      "addu.ph         %[reshw],       %[abovel_1],         %[left0]      \n\t"
207      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
208
209      "sll             %[res2],        %[reshw],            16            \n\t"
210      "sra             %[res2],        %[res2],             16            \n\t"
211      "sra             %[res3],        %[reshw],            16            \n\t"
212
213      "addu.ph         %[reshw],       %[abover_1],         %[left0]      \n\t"
214      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
215
216      "sll             %[res0],        %[reshw],            16            \n\t"
217      "sra             %[res0],        %[res0],             16            \n\t"
218      "sra             %[res1],        %[reshw],            16            \n\t"
219
220      "lbu             %[left0],       1(%[left])                         \n\t"
221
222      "lbux            %[res0],        %[res0](%[cm])                     \n\t"
223      "lbux            %[res1],        %[res1](%[cm])                     \n\t"
224      "lbux            %[res2],        %[res2](%[cm])                     \n\t"
225      "lbux            %[res3],        %[res3](%[cm])                     \n\t"
226
227      "sb              %[res0],        4(%[dst])                          \n\t"
228      "sb              %[res1],        5(%[dst])                          \n\t"
229      "sb              %[res2],        6(%[dst])                          \n\t"
230      "sb              %[res3],        7(%[dst])                          \n\t"
231
232      "replv.ph        %[left0],       %[left0]                           \n\t"
233      "add             %[dst],          %[dst],             %[stride]     \n\t"
234
235      "addu.ph         %[reshw],       %[abovel],           %[left0]      \n\t"
236      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
237
238      "sll             %[res2],        %[reshw],            16            \n\t"
239      "sra             %[res2],        %[res2],             16            \n\t"
240      "sra             %[res3],        %[reshw],            16            \n\t"
241
242      "addu.ph         %[reshw],       %[abover],           %[left0]      \n\t"
243      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
244
245      "sll             %[res0],        %[reshw],            16            \n\t"
246      "sra             %[res0],        %[res0],             16            \n\t"
247      "sra             %[res1],        %[reshw],            16            \n\t"
248
249      "lbux            %[res0],        %[res0](%[cm])                     \n\t"
250      "lbux            %[res1],        %[res1](%[cm])                     \n\t"
251      "lbux            %[res2],        %[res2](%[cm])                     \n\t"
252      "lbux            %[res3],        %[res3](%[cm])                     \n\t"
253
254      "sb              %[res0],        (%[dst])                           \n\t"
255      "sb              %[res1],        1(%[dst])                          \n\t"
256      "sb              %[res2],        2(%[dst])                          \n\t"
257      "sb              %[res3],        3(%[dst])                          \n\t"
258
259      "addu.ph         %[reshw],       %[abovel_1],         %[left0]      \n\t"
260      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
261
262      "sll             %[res2],        %[reshw],            16            \n\t"
263      "sra             %[res2],        %[res2],             16            \n\t"
264      "sra             %[res3],        %[reshw],            16            \n\t"
265
266      "addu.ph         %[reshw],       %[abover_1],         %[left0]      \n\t"
267      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
268
269      "sll             %[res0],        %[reshw],            16            \n\t"
270      "sra             %[res0],        %[res0],             16            \n\t"
271      "sra             %[res1],        %[reshw],            16            \n\t"
272
273      "lbu             %[left0],       2(%[left])                         \n\t"
274
275      "lbux            %[res0],        %[res0](%[cm])                     \n\t"
276      "lbux            %[res1],        %[res1](%[cm])                     \n\t"
277      "lbux            %[res2],        %[res2](%[cm])                     \n\t"
278      "lbux            %[res3],        %[res3](%[cm])                     \n\t"
279
280      "sb              %[res0],        4(%[dst])                          \n\t"
281      "sb              %[res1],        5(%[dst])                          \n\t"
282      "sb              %[res2],        6(%[dst])                          \n\t"
283      "sb              %[res3],        7(%[dst])                          \n\t"
284
285      "replv.ph        %[left0],       %[left0]                           \n\t"
286      "add             %[dst],          %[dst],             %[stride]     \n\t"
287
288      "addu.ph         %[reshw],       %[abovel],           %[left0]      \n\t"
289      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
290
291      "sll             %[res2],        %[reshw],            16            \n\t"
292      "sra             %[res2],        %[res2],             16            \n\t"
293      "sra             %[res3],        %[reshw],            16            \n\t"
294
295      "addu.ph         %[reshw],       %[abover],           %[left0]      \n\t"
296      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
297
298      "sll             %[res0],        %[reshw],            16            \n\t"
299      "sra             %[res0],        %[res0],             16            \n\t"
300      "sra             %[res1],        %[reshw],            16            \n\t"
301
302      "lbux            %[res0],        %[res0](%[cm])                     \n\t"
303      "lbux            %[res1],        %[res1](%[cm])                     \n\t"
304      "lbux            %[res2],        %[res2](%[cm])                     \n\t"
305      "lbux            %[res3],        %[res3](%[cm])                     \n\t"
306
307      "sb              %[res0],        (%[dst])                           \n\t"
308      "sb              %[res1],        1(%[dst])                          \n\t"
309      "sb              %[res2],        2(%[dst])                          \n\t"
310      "sb              %[res3],        3(%[dst])                          \n\t"
311
312      "addu.ph         %[reshw],       %[abovel_1],         %[left0]      \n\t"
313      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
314
315      "sll             %[res2],        %[reshw],            16            \n\t"
316      "sra             %[res2],        %[res2],             16            \n\t"
317      "sra             %[res3],        %[reshw],            16            \n\t"
318
319      "addu.ph         %[reshw],       %[abover_1],         %[left0]      \n\t"
320      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
321
322      "sll             %[res0],        %[reshw],            16            \n\t"
323      "sra             %[res0],        %[res0],             16            \n\t"
324      "sra             %[res1],        %[reshw],            16            \n\t"
325
326      "lbu             %[left0],       3(%[left])                         \n\t"
327
328      "lbux            %[res0],        %[res0](%[cm])                     \n\t"
329      "lbux            %[res1],        %[res1](%[cm])                     \n\t"
330      "lbux            %[res2],        %[res2](%[cm])                     \n\t"
331      "lbux            %[res3],        %[res3](%[cm])                     \n\t"
332
333      "sb              %[res0],        4(%[dst])                          \n\t"
334      "sb              %[res1],        5(%[dst])                          \n\t"
335      "sb              %[res2],        6(%[dst])                          \n\t"
336      "sb              %[res3],        7(%[dst])                          \n\t"
337
338      "replv.ph        %[left0],       %[left0]                           \n\t"
339      "add             %[dst],          %[dst],             %[stride]     \n\t"
340
341      "addu.ph         %[reshw],       %[abovel],           %[left0]      \n\t"
342      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
343
344      "sll             %[res2],        %[reshw],            16            \n\t"
345      "sra             %[res2],        %[res2],             16            \n\t"
346      "sra             %[res3],        %[reshw],            16            \n\t"
347
348      "addu.ph         %[reshw],       %[abover],           %[left0]      \n\t"
349      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
350
351      "sll             %[res0],        %[reshw],            16            \n\t"
352      "sra             %[res0],        %[res0],             16            \n\t"
353      "sra             %[res1],        %[reshw],            16            \n\t"
354
355      "lbux            %[res0],        %[res0](%[cm])                     \n\t"
356      "lbux            %[res1],        %[res1](%[cm])                     \n\t"
357      "lbux            %[res2],        %[res2](%[cm])                     \n\t"
358      "lbux            %[res3],        %[res3](%[cm])                     \n\t"
359
360      "sb              %[res0],        (%[dst])                           \n\t"
361      "sb              %[res1],        1(%[dst])                          \n\t"
362      "sb              %[res2],        2(%[dst])                          \n\t"
363      "sb              %[res3],        3(%[dst])                          \n\t"
364
365      "addu.ph         %[reshw],       %[abovel_1],         %[left0]      \n\t"
366      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
367
368      "sll             %[res2],        %[reshw],            16            \n\t"
369      "sra             %[res2],        %[res2],             16            \n\t"
370      "sra             %[res3],        %[reshw],            16            \n\t"
371
372      "addu.ph         %[reshw],       %[abover_1],         %[left0]      \n\t"
373      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
374
375      "sll             %[res0],        %[reshw],            16            \n\t"
376      "sra             %[res0],        %[res0],             16            \n\t"
377      "sra             %[res1],        %[reshw],            16            \n\t"
378
379      "lbu             %[left0],       4(%[left])                         \n\t"
380
381      "lbux            %[res0],        %[res0](%[cm])                     \n\t"
382      "lbux            %[res1],        %[res1](%[cm])                     \n\t"
383      "lbux            %[res2],        %[res2](%[cm])                     \n\t"
384      "lbux            %[res3],        %[res3](%[cm])                     \n\t"
385
386      "sb              %[res0],        4(%[dst])                          \n\t"
387      "sb              %[res1],        5(%[dst])                          \n\t"
388      "sb              %[res2],        6(%[dst])                          \n\t"
389      "sb              %[res3],        7(%[dst])                          \n\t"
390
391      "replv.ph        %[left0],       %[left0]                           \n\t"
392      "add             %[dst],          %[dst],             %[stride]     \n\t"
393
394      "addu.ph         %[reshw],       %[abovel],           %[left0]      \n\t"
395      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
396
397      "sll             %[res2],        %[reshw],            16            \n\t"
398      "sra             %[res2],        %[res2],             16            \n\t"
399      "sra             %[res3],        %[reshw],            16            \n\t"
400
401      "addu.ph         %[reshw],       %[abover],           %[left0]      \n\t"
402      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
403
404      "sll             %[res0],        %[reshw],            16            \n\t"
405      "sra             %[res0],        %[res0],             16            \n\t"
406      "sra             %[res1],        %[reshw],            16            \n\t"
407
408      "lbux            %[res0],        %[res0](%[cm])                     \n\t"
409      "lbux            %[res1],        %[res1](%[cm])                     \n\t"
410      "lbux            %[res2],        %[res2](%[cm])                     \n\t"
411      "lbux            %[res3],        %[res3](%[cm])                     \n\t"
412
413      "sb              %[res0],        (%[dst])                           \n\t"
414      "sb              %[res1],        1(%[dst])                          \n\t"
415      "sb              %[res2],        2(%[dst])                          \n\t"
416      "sb              %[res3],        3(%[dst])                          \n\t"
417
418      "addu.ph         %[reshw],       %[abovel_1],         %[left0]      \n\t"
419      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
420
421      "sll             %[res2],        %[reshw],            16            \n\t"
422      "sra             %[res2],        %[res2],             16            \n\t"
423      "sra             %[res3],        %[reshw],            16            \n\t"
424
425      "addu.ph         %[reshw],       %[abover_1],         %[left0]      \n\t"
426      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
427
428      "sll             %[res0],        %[reshw],            16            \n\t"
429      "sra             %[res0],        %[res0],             16            \n\t"
430      "sra             %[res1],        %[reshw],            16            \n\t"
431
432      "lbu             %[left0],       5(%[left])                         \n\t"
433
434      "lbux            %[res0],        %[res0](%[cm])                     \n\t"
435      "lbux            %[res1],        %[res1](%[cm])                     \n\t"
436      "lbux            %[res2],        %[res2](%[cm])                     \n\t"
437      "lbux            %[res3],        %[res3](%[cm])                     \n\t"
438
439      "sb              %[res0],        4(%[dst])                          \n\t"
440      "sb              %[res1],        5(%[dst])                          \n\t"
441      "sb              %[res2],        6(%[dst])                          \n\t"
442      "sb              %[res3],        7(%[dst])                          \n\t"
443
444      "replv.ph        %[left0],       %[left0]                           \n\t"
445      "add             %[dst],          %[dst],             %[stride]     \n\t"
446
447      "addu.ph         %[reshw],       %[abovel],           %[left0]      \n\t"
448      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
449
450      "sll             %[res2],        %[reshw],            16            \n\t"
451      "sra             %[res2],        %[res2],             16            \n\t"
452      "sra             %[res3],        %[reshw],            16            \n\t"
453
454      "addu.ph         %[reshw],       %[abover],           %[left0]      \n\t"
455      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
456
457      "sll             %[res0],        %[reshw],            16            \n\t"
458      "sra             %[res0],        %[res0],             16            \n\t"
459      "sra             %[res1],        %[reshw],            16            \n\t"
460
461      "lbux            %[res0],        %[res0](%[cm])                     \n\t"
462      "lbux            %[res1],        %[res1](%[cm])                     \n\t"
463      "lbux            %[res2],        %[res2](%[cm])                     \n\t"
464      "lbux            %[res3],        %[res3](%[cm])                     \n\t"
465
466      "sb              %[res0],        (%[dst])                           \n\t"
467      "sb              %[res1],        1(%[dst])                          \n\t"
468      "sb              %[res2],        2(%[dst])                          \n\t"
469      "sb              %[res3],        3(%[dst])                          \n\t"
470
471      "addu.ph         %[reshw],       %[abovel_1],         %[left0]      \n\t"
472      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
473
474      "sll             %[res2],        %[reshw],            16            \n\t"
475      "sra             %[res2],        %[res2],             16            \n\t"
476      "sra             %[res3],        %[reshw],            16            \n\t"
477
478      "addu.ph         %[reshw],       %[abover_1],         %[left0]      \n\t"
479      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
480
481      "sll             %[res0],        %[reshw],            16            \n\t"
482      "sra             %[res0],        %[res0],             16            \n\t"
483      "sra             %[res1],        %[reshw],            16            \n\t"
484
485      "lbu             %[left0],       6(%[left])                         \n\t"
486
487      "lbux            %[res0],        %[res0](%[cm])                     \n\t"
488      "lbux            %[res1],        %[res1](%[cm])                     \n\t"
489      "lbux            %[res2],        %[res2](%[cm])                     \n\t"
490      "lbux            %[res3],        %[res3](%[cm])                     \n\t"
491
492      "sb              %[res0],        4(%[dst])                          \n\t"
493      "sb              %[res1],        5(%[dst])                          \n\t"
494      "sb              %[res2],        6(%[dst])                          \n\t"
495      "sb              %[res3],        7(%[dst])                          \n\t"
496
497      "replv.ph        %[left0],       %[left0]                           \n\t"
498      "add             %[dst],          %[dst],             %[stride]     \n\t"
499
500      "addu.ph         %[reshw],       %[abovel],           %[left0]      \n\t"
501      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
502
503      "sll             %[res2],        %[reshw],            16            \n\t"
504      "sra             %[res2],        %[res2],             16            \n\t"
505      "sra             %[res3],        %[reshw],            16            \n\t"
506
507      "addu.ph         %[reshw],       %[abover],           %[left0]      \n\t"
508      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
509
510      "sll             %[res0],        %[reshw],            16            \n\t"
511      "sra             %[res0],        %[res0],             16            \n\t"
512      "sra             %[res1],        %[reshw],            16            \n\t"
513
514      "lbux            %[res0],        %[res0](%[cm])                     \n\t"
515      "lbux            %[res1],        %[res1](%[cm])                     \n\t"
516      "lbux            %[res2],        %[res2](%[cm])                     \n\t"
517      "lbux            %[res3],        %[res3](%[cm])                     \n\t"
518
519      "sb              %[res0],        (%[dst])                           \n\t"
520      "sb              %[res1],        1(%[dst])                          \n\t"
521      "sb              %[res2],        2(%[dst])                          \n\t"
522      "sb              %[res3],        3(%[dst])                          \n\t"
523
524      "addu.ph         %[reshw],       %[abovel_1],         %[left0]      \n\t"
525      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
526
527      "sll             %[res2],        %[reshw],            16            \n\t"
528      "sra             %[res2],        %[res2],             16            \n\t"
529      "sra             %[res3],        %[reshw],            16            \n\t"
530
531      "addu.ph         %[reshw],       %[abover_1],         %[left0]      \n\t"
532      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
533
534      "sll             %[res0],        %[reshw],            16            \n\t"
535      "sra             %[res0],        %[res0],             16            \n\t"
536      "sra             %[res1],        %[reshw],            16            \n\t"
537
538      "lbu             %[left0],       7(%[left])                         \n\t"
539
540      "lbux            %[res0],        %[res0](%[cm])                     \n\t"
541      "lbux            %[res1],        %[res1](%[cm])                     \n\t"
542      "lbux            %[res2],        %[res2](%[cm])                     \n\t"
543      "lbux            %[res3],        %[res3](%[cm])                     \n\t"
544
545      "sb              %[res0],        4(%[dst])                          \n\t"
546      "sb              %[res1],        5(%[dst])                          \n\t"
547      "sb              %[res2],        6(%[dst])                          \n\t"
548      "sb              %[res3],        7(%[dst])                          \n\t"
549
550      "replv.ph        %[left0],       %[left0]                           \n\t"
551      "add             %[dst],          %[dst],             %[stride]     \n\t"
552
553      "addu.ph         %[reshw],       %[abovel],           %[left0]      \n\t"
554      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
555
556      "sll             %[res2],        %[reshw],            16            \n\t"
557      "sra             %[res2],        %[res2],             16            \n\t"
558      "sra             %[res3],        %[reshw],            16            \n\t"
559
560      "addu.ph         %[reshw],       %[abover],           %[left0]      \n\t"
561      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
562
563      "sll             %[res0],        %[reshw],            16            \n\t"
564      "sra             %[res0],        %[res0],             16            \n\t"
565      "sra             %[res1],        %[reshw],            16            \n\t"
566
567      "lbux            %[res0],        %[res0](%[cm])                     \n\t"
568      "lbux            %[res1],        %[res1](%[cm])                     \n\t"
569      "lbux            %[res2],        %[res2](%[cm])                     \n\t"
570      "lbux            %[res3],        %[res3](%[cm])                     \n\t"
571
572      "sb              %[res0],        (%[dst])                           \n\t"
573      "sb              %[res1],        1(%[dst])                          \n\t"
574      "sb              %[res2],        2(%[dst])                          \n\t"
575      "sb              %[res3],        3(%[dst])                          \n\t"
576
577      "addu.ph         %[reshw],       %[abovel_1],         %[left0]      \n\t"
578      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
579
580      "sll             %[res2],        %[reshw],            16            \n\t"
581      "sra             %[res2],        %[res2],             16            \n\t"
582      "sra             %[res3],        %[reshw],            16            \n\t"
583
584      "addu.ph         %[reshw],       %[abover_1],         %[left0]      \n\t"
585      "subu.ph         %[reshw],       %[reshw],            %[top_left]   \n\t"
586
587      "sll             %[res0],        %[reshw],            16            \n\t"
588      "sra             %[res0],        %[res0],             16            \n\t"
589      "sra             %[res1],        %[reshw],            16            \n\t"
590
591      "lbux            %[res0],        %[res0](%[cm])                     \n\t"
592      "lbux            %[res1],        %[res1](%[cm])                     \n\t"
593      "lbux            %[res2],        %[res2](%[cm])                     \n\t"
594      "lbux            %[res3],        %[res3](%[cm])                     \n\t"
595
596      "sb              %[res0],        4(%[dst])                          \n\t"
597      "sb              %[res1],        5(%[dst])                          \n\t"
598      "sb              %[res2],        6(%[dst])                          \n\t"
599      "sb              %[res3],        7(%[dst])                          \n\t"
600
601      : [abovel] "=&r" (abovel), [abover] "=&r" (abover),
602        [abovel_1] "=&r" (abovel_1), [abover_1] "=&r" (abover_1),
603        [left0] "=&r" (left0), [res2] "=&r" (res2), [res3] "=&r" (res3),
604        [res0] "=&r" (res0), [res1] "=&r" (res1),
605        [reshw] "=&r" (reshw), [top_left] "=&r" (top_left)
606      : [above] "r" (above), [left] "r" (left),
607        [dst] "r" (dst), [stride] "r" (stride), [cm] "r" (cm)
608  );
609}
610#endif  // #if HAVE_DSPR2
611