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
vp9_h_predictor_16x16_dspr2(uint8_t * dst,ptrdiff_t stride,const uint8_t * above,const uint8_t * left)17 void vp9_h_predictor_16x16_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   int32_t  tmp9, tmp10, tmp11, tmp12, tmp13, tmp14, tmp15, tmp16;
21 
22   __asm__ __volatile__ (
23       "lb         %[tmp1],      (%[left])                    \n\t"
24       "lb         %[tmp2],      1(%[left])                   \n\t"
25       "lb         %[tmp3],      2(%[left])                   \n\t"
26       "lb         %[tmp4],      3(%[left])                   \n\t"
27       "lb         %[tmp5],      4(%[left])                   \n\t"
28       "lb         %[tmp6],      5(%[left])                   \n\t"
29       "lb         %[tmp7],      6(%[left])                   \n\t"
30       "lb         %[tmp8],      7(%[left])                   \n\t"
31       "lb         %[tmp9],      8(%[left])                   \n\t"
32       "lb         %[tmp10],     9(%[left])                   \n\t"
33       "lb         %[tmp11],     10(%[left])                  \n\t"
34       "lb         %[tmp12],     11(%[left])                  \n\t"
35       "lb         %[tmp13],     12(%[left])                  \n\t"
36       "lb         %[tmp14],     13(%[left])                  \n\t"
37       "lb         %[tmp15],     14(%[left])                  \n\t"
38       "lb         %[tmp16],     15(%[left])                  \n\t"
39 
40       "replv.qb   %[tmp1],      %[tmp1]                      \n\t"
41       "replv.qb   %[tmp2],      %[tmp2]                      \n\t"
42       "replv.qb   %[tmp3],      %[tmp3]                      \n\t"
43       "replv.qb   %[tmp4],      %[tmp4]                      \n\t"
44       "replv.qb   %[tmp5],      %[tmp5]                      \n\t"
45       "replv.qb   %[tmp6],      %[tmp6]                      \n\t"
46       "replv.qb   %[tmp7],      %[tmp7]                      \n\t"
47       "replv.qb   %[tmp8],      %[tmp8]                      \n\t"
48       "replv.qb   %[tmp9],      %[tmp9]                      \n\t"
49       "replv.qb   %[tmp10],     %[tmp10]                     \n\t"
50       "replv.qb   %[tmp11],     %[tmp11]                     \n\t"
51       "replv.qb   %[tmp12],     %[tmp12]                     \n\t"
52       "replv.qb   %[tmp13],     %[tmp13]                     \n\t"
53       "replv.qb   %[tmp14],     %[tmp14]                     \n\t"
54       "replv.qb   %[tmp15],     %[tmp15]                     \n\t"
55       "replv.qb   %[tmp16],     %[tmp16]                     \n\t"
56 
57       "sw         %[tmp1],      (%[dst])                     \n\t"
58       "sw         %[tmp1],      4(%[dst])                    \n\t"
59       "sw         %[tmp1],      8(%[dst])                    \n\t"
60       "sw         %[tmp1],      12(%[dst])                   \n\t"
61 
62       "add        %[dst],       %[dst],         %[stride]    \n\t"
63       "sw         %[tmp2],      (%[dst])                     \n\t"
64       "sw         %[tmp2],      4(%[dst])                    \n\t"
65       "sw         %[tmp2],      8(%[dst])                    \n\t"
66       "sw         %[tmp2],      12(%[dst])                   \n\t"
67 
68       "add        %[dst],       %[dst],         %[stride]    \n\t"
69       "sw         %[tmp3],      (%[dst])                     \n\t"
70       "sw         %[tmp3],      4(%[dst])                    \n\t"
71       "sw         %[tmp3],      8(%[dst])                    \n\t"
72       "sw         %[tmp3],      12(%[dst])                   \n\t"
73 
74       "add        %[dst],       %[dst],         %[stride]    \n\t"
75       "sw         %[tmp4],      (%[dst])                     \n\t"
76       "sw         %[tmp4],      4(%[dst])                    \n\t"
77       "sw         %[tmp4],      8(%[dst])                    \n\t"
78       "sw         %[tmp4],      12(%[dst])                   \n\t"
79 
80       "add        %[dst],       %[dst],         %[stride]    \n\t"
81       "sw         %[tmp5],      (%[dst])                     \n\t"
82       "sw         %[tmp5],      4(%[dst])                    \n\t"
83       "sw         %[tmp5],      8(%[dst])                    \n\t"
84       "sw         %[tmp5],      12(%[dst])                   \n\t"
85 
86       "add        %[dst],       %[dst],         %[stride]    \n\t"
87       "sw         %[tmp6],      (%[dst])                     \n\t"
88       "sw         %[tmp6],      4(%[dst])                    \n\t"
89       "sw         %[tmp6],      8(%[dst])                    \n\t"
90       "sw         %[tmp6],      12(%[dst])                   \n\t"
91 
92       "add        %[dst],       %[dst],         %[stride]    \n\t"
93       "sw         %[tmp7],      (%[dst])                     \n\t"
94       "sw         %[tmp7],      4(%[dst])                    \n\t"
95       "sw         %[tmp7],      8(%[dst])                    \n\t"
96       "sw         %[tmp7],      12(%[dst])                   \n\t"
97 
98       "add        %[dst],       %[dst],         %[stride]    \n\t"
99       "sw         %[tmp8],      (%[dst])                     \n\t"
100       "sw         %[tmp8],      4(%[dst])                    \n\t"
101       "sw         %[tmp8],      8(%[dst])                    \n\t"
102       "sw         %[tmp8],      12(%[dst])                   \n\t"
103 
104       "add        %[dst],       %[dst],         %[stride]    \n\t"
105       "sw         %[tmp9],      (%[dst])                     \n\t"
106       "sw         %[tmp9],      4(%[dst])                    \n\t"
107       "sw         %[tmp9],      8(%[dst])                    \n\t"
108       "sw         %[tmp9],      12(%[dst])                   \n\t"
109 
110       "add        %[dst],       %[dst],         %[stride]    \n\t"
111       "sw         %[tmp10],     (%[dst])                     \n\t"
112       "sw         %[tmp10],     4(%[dst])                    \n\t"
113       "sw         %[tmp10],     8(%[dst])                    \n\t"
114       "sw         %[tmp10],     12(%[dst])                   \n\t"
115 
116       "add        %[dst],       %[dst],         %[stride]    \n\t"
117       "sw         %[tmp11],     (%[dst])                     \n\t"
118       "sw         %[tmp11],     4(%[dst])                    \n\t"
119       "sw         %[tmp11],     8(%[dst])                    \n\t"
120       "sw         %[tmp11],     12(%[dst])                   \n\t"
121 
122       "add        %[dst],       %[dst],         %[stride]    \n\t"
123       "sw         %[tmp12],     (%[dst])                     \n\t"
124       "sw         %[tmp12],     4(%[dst])                    \n\t"
125       "sw         %[tmp12],     8(%[dst])                    \n\t"
126       "sw         %[tmp12],     12(%[dst])                   \n\t"
127 
128       "add        %[dst],       %[dst],         %[stride]    \n\t"
129       "sw         %[tmp13],     (%[dst])                     \n\t"
130       "sw         %[tmp13],     4(%[dst])                    \n\t"
131       "sw         %[tmp13],     8(%[dst])                    \n\t"
132       "sw         %[tmp13],     12(%[dst])                   \n\t"
133 
134       "add        %[dst],       %[dst],         %[stride]    \n\t"
135       "sw         %[tmp14],     (%[dst])                     \n\t"
136       "sw         %[tmp14],     4(%[dst])                    \n\t"
137       "sw         %[tmp14],     8(%[dst])                    \n\t"
138       "sw         %[tmp14],     12(%[dst])                   \n\t"
139 
140       "add        %[dst],       %[dst],         %[stride]    \n\t"
141       "sw         %[tmp15],     (%[dst])                     \n\t"
142       "sw         %[tmp15],     4(%[dst])                    \n\t"
143       "sw         %[tmp15],     8(%[dst])                    \n\t"
144       "sw         %[tmp15],     12(%[dst])                   \n\t"
145 
146       "add        %[dst],       %[dst],         %[stride]    \n\t"
147       "sw         %[tmp16],     (%[dst])                     \n\t"
148       "sw         %[tmp16],     4(%[dst])                    \n\t"
149       "sw         %[tmp16],     8(%[dst])                    \n\t"
150       "sw         %[tmp16],     12(%[dst])                   \n\t"
151 
152       : [tmp1] "=&r" (tmp1),   [tmp2] "=&r" (tmp2),
153         [tmp3] "=&r" (tmp3),   [tmp4] "=&r" (tmp4),
154         [tmp5] "=&r" (tmp5),   [tmp7] "=&r" (tmp7),
155         [tmp6] "=&r" (tmp6),   [tmp8] "=&r" (tmp8),
156         [tmp9] "=&r" (tmp9),   [tmp10] "=&r" (tmp10),
157         [tmp11] "=&r" (tmp11), [tmp12] "=&r" (tmp12),
158         [tmp13] "=&r" (tmp13), [tmp14] "=&r" (tmp14),
159         [tmp15] "=&r" (tmp15), [tmp16] "=&r" (tmp16)
160       : [left] "r" (left), [dst] "r" (dst), [stride] "r" (stride)
161   );
162 }
163 
vp9_dc_predictor_16x16_dspr2(uint8_t * dst,ptrdiff_t stride,const uint8_t * above,const uint8_t * left)164 void vp9_dc_predictor_16x16_dspr2(uint8_t *dst, ptrdiff_t stride,
165                                   const uint8_t *above, const uint8_t *left) {
166   int32_t  expected_dc;
167   int32_t  average;
168   int32_t  tmp, above1, above_l1, above_r1, left1, left_r1, left_l1;
169   int32_t  above2, left2;
170 
171   __asm__ __volatile__ (
172       "lw              %[above1],           (%[above])                    \n\t"
173       "lw              %[above2],           4(%[above])                   \n\t"
174       "lw              %[left1],            (%[left])                     \n\t"
175       "lw              %[left2],            4(%[left])                    \n\t"
176 
177       "preceu.ph.qbl   %[above_l1],         %[above1]                     \n\t"
178       "preceu.ph.qbr   %[above_r1],         %[above1]                     \n\t"
179       "preceu.ph.qbl   %[left_l1],          %[left1]                      \n\t"
180       "preceu.ph.qbr   %[left_r1],          %[left1]                      \n\t"
181 
182       "addu.ph         %[average],          %[above_r1],     %[above_l1]  \n\t"
183       "addu.ph         %[average],          %[average],      %[left_l1]   \n\t"
184       "addu.ph         %[average],          %[average],      %[left_r1]   \n\t"
185 
186       "preceu.ph.qbl   %[above_l1],         %[above2]                     \n\t"
187       "preceu.ph.qbr   %[above_r1],         %[above2]                     \n\t"
188       "preceu.ph.qbl   %[left_l1],          %[left2]                      \n\t"
189       "preceu.ph.qbr   %[left_r1],          %[left2]                      \n\t"
190 
191       "addu.ph         %[average],          %[average],      %[above_l1]  \n\t"
192       "addu.ph         %[average],          %[average],      %[above_r1]  \n\t"
193       "addu.ph         %[average],          %[average],      %[left_l1]   \n\t"
194       "addu.ph         %[average],          %[average],      %[left_r1]   \n\t"
195 
196       "lw              %[above1],           8(%[above])                   \n\t"
197       "lw              %[above2],           12(%[above])                  \n\t"
198       "lw              %[left1],            8(%[left])                    \n\t"
199       "lw              %[left2],            12(%[left])                   \n\t"
200 
201       "preceu.ph.qbl   %[above_l1],         %[above1]                     \n\t"
202       "preceu.ph.qbr   %[above_r1],         %[above1]                     \n\t"
203       "preceu.ph.qbl   %[left_l1],          %[left1]                      \n\t"
204       "preceu.ph.qbr   %[left_r1],          %[left1]                      \n\t"
205 
206       "addu.ph         %[average],          %[average],      %[above_l1]  \n\t"
207       "addu.ph         %[average],          %[average],      %[above_r1]  \n\t"
208       "addu.ph         %[average],          %[average],      %[left_l1]   \n\t"
209       "addu.ph         %[average],          %[average],      %[left_r1]   \n\t"
210 
211       "preceu.ph.qbl   %[above_l1],         %[above2]                     \n\t"
212       "preceu.ph.qbr   %[above_r1],         %[above2]                     \n\t"
213       "preceu.ph.qbl   %[left_l1],          %[left2]                      \n\t"
214       "preceu.ph.qbr   %[left_r1],          %[left2]                      \n\t"
215 
216       "addu.ph         %[average],          %[average],      %[above_l1]  \n\t"
217       "addu.ph         %[average],          %[average],      %[above_r1]  \n\t"
218       "addu.ph         %[average],          %[average],      %[left_l1]   \n\t"
219       "addu.ph         %[average],          %[average],      %[left_r1]   \n\t"
220 
221       "addiu           %[average],          %[average],      16           \n\t"
222       "srl             %[tmp],              %[average],      16           \n\t"
223       "addu.ph         %[average],          %[tmp],          %[average]   \n\t"
224       "srl             %[expected_dc],      %[average],      5            \n\t"
225       "replv.qb        %[expected_dc],      %[expected_dc]                \n\t"
226 
227       "sw              %[expected_dc],      (%[dst])                      \n\t"
228       "sw              %[expected_dc],      4(%[dst])                     \n\t"
229       "sw              %[expected_dc],      8(%[dst])                     \n\t"
230       "sw              %[expected_dc],      12(%[dst])                    \n\t"
231 
232       "add             %[dst],              %[dst],          %[stride]    \n\t"
233       "sw              %[expected_dc],      (%[dst])                      \n\t"
234       "sw              %[expected_dc],      4(%[dst])                     \n\t"
235       "sw              %[expected_dc],      8(%[dst])                     \n\t"
236       "sw              %[expected_dc],      12(%[dst])                    \n\t"
237 
238       "add             %[dst],              %[dst],          %[stride]    \n\t"
239       "sw              %[expected_dc],      (%[dst])                      \n\t"
240       "sw              %[expected_dc],      4(%[dst])                     \n\t"
241       "sw              %[expected_dc],      8(%[dst])                     \n\t"
242       "sw              %[expected_dc],      12(%[dst])                    \n\t"
243 
244       "add             %[dst],              %[dst],          %[stride]    \n\t"
245       "sw              %[expected_dc],      (%[dst])                      \n\t"
246       "sw              %[expected_dc],      4(%[dst])                     \n\t"
247       "sw              %[expected_dc],      8(%[dst])                     \n\t"
248       "sw              %[expected_dc],      12(%[dst])                    \n\t"
249 
250       "add             %[dst],              %[dst],          %[stride]    \n\t"
251       "sw              %[expected_dc],      (%[dst])                      \n\t"
252       "sw              %[expected_dc],      4(%[dst])                     \n\t"
253       "sw              %[expected_dc],      8(%[dst])                     \n\t"
254       "sw              %[expected_dc],      12(%[dst])                    \n\t"
255 
256       "add             %[dst],              %[dst],          %[stride]    \n\t"
257       "sw              %[expected_dc],      (%[dst])                      \n\t"
258       "sw              %[expected_dc],      4(%[dst])                     \n\t"
259       "sw              %[expected_dc],      8(%[dst])                     \n\t"
260       "sw              %[expected_dc],      12(%[dst])                    \n\t"
261 
262       "add             %[dst],              %[dst],          %[stride]    \n\t"
263       "sw              %[expected_dc],      (%[dst])                      \n\t"
264       "sw              %[expected_dc],      4(%[dst])                     \n\t"
265       "sw              %[expected_dc],      8(%[dst])                     \n\t"
266       "sw              %[expected_dc],      12(%[dst])                    \n\t"
267 
268       "add             %[dst],              %[dst],          %[stride]    \n\t"
269       "sw              %[expected_dc],      (%[dst])                      \n\t"
270       "sw              %[expected_dc],      4(%[dst])                     \n\t"
271       "sw              %[expected_dc],      8(%[dst])                     \n\t"
272       "sw              %[expected_dc],      12(%[dst])                    \n\t"
273 
274       "add             %[dst],              %[dst],          %[stride]    \n\t"
275       "sw              %[expected_dc],      (%[dst])                      \n\t"
276       "sw              %[expected_dc],      4(%[dst])                     \n\t"
277       "sw              %[expected_dc],      8(%[dst])                     \n\t"
278       "sw              %[expected_dc],      12(%[dst])                    \n\t"
279 
280       "add             %[dst],              %[dst],          %[stride]    \n\t"
281       "sw              %[expected_dc],      (%[dst])                      \n\t"
282       "sw              %[expected_dc],      4(%[dst])                     \n\t"
283       "sw              %[expected_dc],      8(%[dst])                     \n\t"
284       "sw              %[expected_dc],      12(%[dst])                    \n\t"
285 
286       "add             %[dst],              %[dst],          %[stride]    \n\t"
287       "sw              %[expected_dc],      (%[dst])                      \n\t"
288       "sw              %[expected_dc],      4(%[dst])                     \n\t"
289       "sw              %[expected_dc],      8(%[dst])                     \n\t"
290       "sw              %[expected_dc],      12(%[dst])                    \n\t"
291 
292       "add             %[dst],              %[dst],          %[stride]    \n\t"
293       "sw              %[expected_dc],      (%[dst])                      \n\t"
294       "sw              %[expected_dc],      4(%[dst])                     \n\t"
295       "sw              %[expected_dc],      8(%[dst])                     \n\t"
296       "sw              %[expected_dc],      12(%[dst])                    \n\t"
297 
298       "add             %[dst],              %[dst],          %[stride]    \n\t"
299       "sw              %[expected_dc],      (%[dst])                      \n\t"
300       "sw              %[expected_dc],      4(%[dst])                     \n\t"
301       "sw              %[expected_dc],      8(%[dst])                     \n\t"
302       "sw              %[expected_dc],      12(%[dst])                    \n\t"
303 
304       "add             %[dst],              %[dst],          %[stride]    \n\t"
305       "sw              %[expected_dc],      (%[dst])                      \n\t"
306       "sw              %[expected_dc],      4(%[dst])                     \n\t"
307       "sw              %[expected_dc],      8(%[dst])                     \n\t"
308       "sw              %[expected_dc],      12(%[dst])                    \n\t"
309 
310       "add             %[dst],              %[dst],          %[stride]    \n\t"
311       "sw              %[expected_dc],      (%[dst])                      \n\t"
312       "sw              %[expected_dc],      4(%[dst])                     \n\t"
313       "sw              %[expected_dc],      8(%[dst])                     \n\t"
314       "sw              %[expected_dc],      12(%[dst])                    \n\t"
315 
316       "add             %[dst],              %[dst],          %[stride]    \n\t"
317       "sw              %[expected_dc],      (%[dst])                      \n\t"
318       "sw              %[expected_dc],      4(%[dst])                     \n\t"
319       "sw              %[expected_dc],      8(%[dst])                     \n\t"
320       "sw              %[expected_dc],      12(%[dst])                    \n\t"
321 
322       : [left1] "=&r" (left1), [above1] "=&r" (above1),
323         [left_l1] "=&r" (left_l1), [above_l1] "=&r" (above_l1),
324         [left_r1] "=&r" (left_r1), [above_r1] "=&r" (above_r1),
325         [above2] "=&r" (above2), [left2] "=&r" (left2),
326         [average] "=&r" (average), [tmp] "=&r" (tmp),
327         [expected_dc] "=&r" (expected_dc)
328       : [above] "r" (above), [left] "r" (left),
329         [dst] "r" (dst), [stride] "r" (stride)
330   );
331 }
332 #endif  // #if HAVE_DSPR2
333