1 /*
2  *  Copyright (c) 2015 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_dsp/mips/common_dspr2.h"
12 
13 #if HAVE_DSPR2
vpx_h_predictor_16x16_dspr2(uint8_t * dst,ptrdiff_t stride,const uint8_t * above,const uint8_t * left)14 void vpx_h_predictor_16x16_dspr2(uint8_t *dst, ptrdiff_t stride,
15                                  const uint8_t *above, const uint8_t *left) {
16   int32_t tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp8;
17   int32_t tmp9, tmp10, tmp11, tmp12, tmp13, tmp14, tmp15, tmp16;
18   (void)above;
19 
20   __asm__ __volatile__(
21       "lb         %[tmp1],      (%[left])                    \n\t"
22       "lb         %[tmp2],      1(%[left])                   \n\t"
23       "lb         %[tmp3],      2(%[left])                   \n\t"
24       "lb         %[tmp4],      3(%[left])                   \n\t"
25       "lb         %[tmp5],      4(%[left])                   \n\t"
26       "lb         %[tmp6],      5(%[left])                   \n\t"
27       "lb         %[tmp7],      6(%[left])                   \n\t"
28       "lb         %[tmp8],      7(%[left])                   \n\t"
29       "lb         %[tmp9],      8(%[left])                   \n\t"
30       "lb         %[tmp10],     9(%[left])                   \n\t"
31       "lb         %[tmp11],     10(%[left])                  \n\t"
32       "lb         %[tmp12],     11(%[left])                  \n\t"
33       "lb         %[tmp13],     12(%[left])                  \n\t"
34       "lb         %[tmp14],     13(%[left])                  \n\t"
35       "lb         %[tmp15],     14(%[left])                  \n\t"
36       "lb         %[tmp16],     15(%[left])                  \n\t"
37 
38       "replv.qb   %[tmp1],      %[tmp1]                      \n\t"
39       "replv.qb   %[tmp2],      %[tmp2]                      \n\t"
40       "replv.qb   %[tmp3],      %[tmp3]                      \n\t"
41       "replv.qb   %[tmp4],      %[tmp4]                      \n\t"
42       "replv.qb   %[tmp5],      %[tmp5]                      \n\t"
43       "replv.qb   %[tmp6],      %[tmp6]                      \n\t"
44       "replv.qb   %[tmp7],      %[tmp7]                      \n\t"
45       "replv.qb   %[tmp8],      %[tmp8]                      \n\t"
46       "replv.qb   %[tmp9],      %[tmp9]                      \n\t"
47       "replv.qb   %[tmp10],     %[tmp10]                     \n\t"
48       "replv.qb   %[tmp11],     %[tmp11]                     \n\t"
49       "replv.qb   %[tmp12],     %[tmp12]                     \n\t"
50       "replv.qb   %[tmp13],     %[tmp13]                     \n\t"
51       "replv.qb   %[tmp14],     %[tmp14]                     \n\t"
52       "replv.qb   %[tmp15],     %[tmp15]                     \n\t"
53       "replv.qb   %[tmp16],     %[tmp16]                     \n\t"
54 
55       "sw         %[tmp1],      (%[dst])                     \n\t"
56       "sw         %[tmp1],      4(%[dst])                    \n\t"
57       "sw         %[tmp1],      8(%[dst])                    \n\t"
58       "sw         %[tmp1],      12(%[dst])                   \n\t"
59 
60       "add        %[dst],       %[dst],         %[stride]    \n\t"
61       "sw         %[tmp2],      (%[dst])                     \n\t"
62       "sw         %[tmp2],      4(%[dst])                    \n\t"
63       "sw         %[tmp2],      8(%[dst])                    \n\t"
64       "sw         %[tmp2],      12(%[dst])                   \n\t"
65 
66       "add        %[dst],       %[dst],         %[stride]    \n\t"
67       "sw         %[tmp3],      (%[dst])                     \n\t"
68       "sw         %[tmp3],      4(%[dst])                    \n\t"
69       "sw         %[tmp3],      8(%[dst])                    \n\t"
70       "sw         %[tmp3],      12(%[dst])                   \n\t"
71 
72       "add        %[dst],       %[dst],         %[stride]    \n\t"
73       "sw         %[tmp4],      (%[dst])                     \n\t"
74       "sw         %[tmp4],      4(%[dst])                    \n\t"
75       "sw         %[tmp4],      8(%[dst])                    \n\t"
76       "sw         %[tmp4],      12(%[dst])                   \n\t"
77 
78       "add        %[dst],       %[dst],         %[stride]    \n\t"
79       "sw         %[tmp5],      (%[dst])                     \n\t"
80       "sw         %[tmp5],      4(%[dst])                    \n\t"
81       "sw         %[tmp5],      8(%[dst])                    \n\t"
82       "sw         %[tmp5],      12(%[dst])                   \n\t"
83 
84       "add        %[dst],       %[dst],         %[stride]    \n\t"
85       "sw         %[tmp6],      (%[dst])                     \n\t"
86       "sw         %[tmp6],      4(%[dst])                    \n\t"
87       "sw         %[tmp6],      8(%[dst])                    \n\t"
88       "sw         %[tmp6],      12(%[dst])                   \n\t"
89 
90       "add        %[dst],       %[dst],         %[stride]    \n\t"
91       "sw         %[tmp7],      (%[dst])                     \n\t"
92       "sw         %[tmp7],      4(%[dst])                    \n\t"
93       "sw         %[tmp7],      8(%[dst])                    \n\t"
94       "sw         %[tmp7],      12(%[dst])                   \n\t"
95 
96       "add        %[dst],       %[dst],         %[stride]    \n\t"
97       "sw         %[tmp8],      (%[dst])                     \n\t"
98       "sw         %[tmp8],      4(%[dst])                    \n\t"
99       "sw         %[tmp8],      8(%[dst])                    \n\t"
100       "sw         %[tmp8],      12(%[dst])                   \n\t"
101 
102       "add        %[dst],       %[dst],         %[stride]    \n\t"
103       "sw         %[tmp9],      (%[dst])                     \n\t"
104       "sw         %[tmp9],      4(%[dst])                    \n\t"
105       "sw         %[tmp9],      8(%[dst])                    \n\t"
106       "sw         %[tmp9],      12(%[dst])                   \n\t"
107 
108       "add        %[dst],       %[dst],         %[stride]    \n\t"
109       "sw         %[tmp10],     (%[dst])                     \n\t"
110       "sw         %[tmp10],     4(%[dst])                    \n\t"
111       "sw         %[tmp10],     8(%[dst])                    \n\t"
112       "sw         %[tmp10],     12(%[dst])                   \n\t"
113 
114       "add        %[dst],       %[dst],         %[stride]    \n\t"
115       "sw         %[tmp11],     (%[dst])                     \n\t"
116       "sw         %[tmp11],     4(%[dst])                    \n\t"
117       "sw         %[tmp11],     8(%[dst])                    \n\t"
118       "sw         %[tmp11],     12(%[dst])                   \n\t"
119 
120       "add        %[dst],       %[dst],         %[stride]    \n\t"
121       "sw         %[tmp12],     (%[dst])                     \n\t"
122       "sw         %[tmp12],     4(%[dst])                    \n\t"
123       "sw         %[tmp12],     8(%[dst])                    \n\t"
124       "sw         %[tmp12],     12(%[dst])                   \n\t"
125 
126       "add        %[dst],       %[dst],         %[stride]    \n\t"
127       "sw         %[tmp13],     (%[dst])                     \n\t"
128       "sw         %[tmp13],     4(%[dst])                    \n\t"
129       "sw         %[tmp13],     8(%[dst])                    \n\t"
130       "sw         %[tmp13],     12(%[dst])                   \n\t"
131 
132       "add        %[dst],       %[dst],         %[stride]    \n\t"
133       "sw         %[tmp14],     (%[dst])                     \n\t"
134       "sw         %[tmp14],     4(%[dst])                    \n\t"
135       "sw         %[tmp14],     8(%[dst])                    \n\t"
136       "sw         %[tmp14],     12(%[dst])                   \n\t"
137 
138       "add        %[dst],       %[dst],         %[stride]    \n\t"
139       "sw         %[tmp15],     (%[dst])                     \n\t"
140       "sw         %[tmp15],     4(%[dst])                    \n\t"
141       "sw         %[tmp15],     8(%[dst])                    \n\t"
142       "sw         %[tmp15],     12(%[dst])                   \n\t"
143 
144       "add        %[dst],       %[dst],         %[stride]    \n\t"
145       "sw         %[tmp16],     (%[dst])                     \n\t"
146       "sw         %[tmp16],     4(%[dst])                    \n\t"
147       "sw         %[tmp16],     8(%[dst])                    \n\t"
148       "sw         %[tmp16],     12(%[dst])                   \n\t"
149 
150       : [tmp1] "=&r"(tmp1), [tmp2] "=&r"(tmp2), [tmp3] "=&r"(tmp3),
151         [tmp4] "=&r"(tmp4), [tmp5] "=&r"(tmp5), [tmp7] "=&r"(tmp7),
152         [tmp6] "=&r"(tmp6), [tmp8] "=&r"(tmp8), [tmp9] "=&r"(tmp9),
153         [tmp10] "=&r"(tmp10), [tmp11] "=&r"(tmp11), [tmp12] "=&r"(tmp12),
154         [tmp13] "=&r"(tmp13), [tmp14] "=&r"(tmp14), [tmp15] "=&r"(tmp15),
155         [tmp16] "=&r"(tmp16)
156       : [left] "r"(left), [dst] "r"(dst), [stride] "r"(stride));
157 }
158 
vpx_dc_predictor_16x16_dspr2(uint8_t * dst,ptrdiff_t stride,const uint8_t * above,const uint8_t * left)159 void vpx_dc_predictor_16x16_dspr2(uint8_t *dst, ptrdiff_t stride,
160                                   const uint8_t *above, const uint8_t *left) {
161   int32_t expected_dc;
162   int32_t average;
163   int32_t tmp, above1, above_l1, above_r1, left1, left_r1, left_l1;
164   int32_t above2, left2;
165 
166   __asm__ __volatile__(
167       "lw              %[above1],           (%[above])                    \n\t"
168       "lw              %[above2],           4(%[above])                   \n\t"
169       "lw              %[left1],            (%[left])                     \n\t"
170       "lw              %[left2],            4(%[left])                    \n\t"
171 
172       "preceu.ph.qbl   %[above_l1],         %[above1]                     \n\t"
173       "preceu.ph.qbr   %[above_r1],         %[above1]                     \n\t"
174       "preceu.ph.qbl   %[left_l1],          %[left1]                      \n\t"
175       "preceu.ph.qbr   %[left_r1],          %[left1]                      \n\t"
176 
177       "addu.ph         %[average],          %[above_r1],     %[above_l1]  \n\t"
178       "addu.ph         %[average],          %[average],      %[left_l1]   \n\t"
179       "addu.ph         %[average],          %[average],      %[left_r1]   \n\t"
180 
181       "preceu.ph.qbl   %[above_l1],         %[above2]                     \n\t"
182       "preceu.ph.qbr   %[above_r1],         %[above2]                     \n\t"
183       "preceu.ph.qbl   %[left_l1],          %[left2]                      \n\t"
184       "preceu.ph.qbr   %[left_r1],          %[left2]                      \n\t"
185 
186       "addu.ph         %[average],          %[average],      %[above_l1]  \n\t"
187       "addu.ph         %[average],          %[average],      %[above_r1]  \n\t"
188       "addu.ph         %[average],          %[average],      %[left_l1]   \n\t"
189       "addu.ph         %[average],          %[average],      %[left_r1]   \n\t"
190 
191       "lw              %[above1],           8(%[above])                   \n\t"
192       "lw              %[above2],           12(%[above])                  \n\t"
193       "lw              %[left1],            8(%[left])                    \n\t"
194       "lw              %[left2],            12(%[left])                   \n\t"
195 
196       "preceu.ph.qbl   %[above_l1],         %[above1]                     \n\t"
197       "preceu.ph.qbr   %[above_r1],         %[above1]                     \n\t"
198       "preceu.ph.qbl   %[left_l1],          %[left1]                      \n\t"
199       "preceu.ph.qbr   %[left_r1],          %[left1]                      \n\t"
200 
201       "addu.ph         %[average],          %[average],      %[above_l1]  \n\t"
202       "addu.ph         %[average],          %[average],      %[above_r1]  \n\t"
203       "addu.ph         %[average],          %[average],      %[left_l1]   \n\t"
204       "addu.ph         %[average],          %[average],      %[left_r1]   \n\t"
205 
206       "preceu.ph.qbl   %[above_l1],         %[above2]                     \n\t"
207       "preceu.ph.qbr   %[above_r1],         %[above2]                     \n\t"
208       "preceu.ph.qbl   %[left_l1],          %[left2]                      \n\t"
209       "preceu.ph.qbr   %[left_r1],          %[left2]                      \n\t"
210 
211       "addu.ph         %[average],          %[average],      %[above_l1]  \n\t"
212       "addu.ph         %[average],          %[average],      %[above_r1]  \n\t"
213       "addu.ph         %[average],          %[average],      %[left_l1]   \n\t"
214       "addu.ph         %[average],          %[average],      %[left_r1]   \n\t"
215 
216       "addiu           %[average],          %[average],      16           \n\t"
217       "srl             %[tmp],              %[average],      16           \n\t"
218       "addu.ph         %[average],          %[tmp],          %[average]   \n\t"
219       "srl             %[expected_dc],      %[average],      5            \n\t"
220       "replv.qb        %[expected_dc],      %[expected_dc]                \n\t"
221 
222       "sw              %[expected_dc],      (%[dst])                      \n\t"
223       "sw              %[expected_dc],      4(%[dst])                     \n\t"
224       "sw              %[expected_dc],      8(%[dst])                     \n\t"
225       "sw              %[expected_dc],      12(%[dst])                    \n\t"
226 
227       "add             %[dst],              %[dst],          %[stride]    \n\t"
228       "sw              %[expected_dc],      (%[dst])                      \n\t"
229       "sw              %[expected_dc],      4(%[dst])                     \n\t"
230       "sw              %[expected_dc],      8(%[dst])                     \n\t"
231       "sw              %[expected_dc],      12(%[dst])                    \n\t"
232 
233       "add             %[dst],              %[dst],          %[stride]    \n\t"
234       "sw              %[expected_dc],      (%[dst])                      \n\t"
235       "sw              %[expected_dc],      4(%[dst])                     \n\t"
236       "sw              %[expected_dc],      8(%[dst])                     \n\t"
237       "sw              %[expected_dc],      12(%[dst])                    \n\t"
238 
239       "add             %[dst],              %[dst],          %[stride]    \n\t"
240       "sw              %[expected_dc],      (%[dst])                      \n\t"
241       "sw              %[expected_dc],      4(%[dst])                     \n\t"
242       "sw              %[expected_dc],      8(%[dst])                     \n\t"
243       "sw              %[expected_dc],      12(%[dst])                    \n\t"
244 
245       "add             %[dst],              %[dst],          %[stride]    \n\t"
246       "sw              %[expected_dc],      (%[dst])                      \n\t"
247       "sw              %[expected_dc],      4(%[dst])                     \n\t"
248       "sw              %[expected_dc],      8(%[dst])                     \n\t"
249       "sw              %[expected_dc],      12(%[dst])                    \n\t"
250 
251       "add             %[dst],              %[dst],          %[stride]    \n\t"
252       "sw              %[expected_dc],      (%[dst])                      \n\t"
253       "sw              %[expected_dc],      4(%[dst])                     \n\t"
254       "sw              %[expected_dc],      8(%[dst])                     \n\t"
255       "sw              %[expected_dc],      12(%[dst])                    \n\t"
256 
257       "add             %[dst],              %[dst],          %[stride]    \n\t"
258       "sw              %[expected_dc],      (%[dst])                      \n\t"
259       "sw              %[expected_dc],      4(%[dst])                     \n\t"
260       "sw              %[expected_dc],      8(%[dst])                     \n\t"
261       "sw              %[expected_dc],      12(%[dst])                    \n\t"
262 
263       "add             %[dst],              %[dst],          %[stride]    \n\t"
264       "sw              %[expected_dc],      (%[dst])                      \n\t"
265       "sw              %[expected_dc],      4(%[dst])                     \n\t"
266       "sw              %[expected_dc],      8(%[dst])                     \n\t"
267       "sw              %[expected_dc],      12(%[dst])                    \n\t"
268 
269       "add             %[dst],              %[dst],          %[stride]    \n\t"
270       "sw              %[expected_dc],      (%[dst])                      \n\t"
271       "sw              %[expected_dc],      4(%[dst])                     \n\t"
272       "sw              %[expected_dc],      8(%[dst])                     \n\t"
273       "sw              %[expected_dc],      12(%[dst])                    \n\t"
274 
275       "add             %[dst],              %[dst],          %[stride]    \n\t"
276       "sw              %[expected_dc],      (%[dst])                      \n\t"
277       "sw              %[expected_dc],      4(%[dst])                     \n\t"
278       "sw              %[expected_dc],      8(%[dst])                     \n\t"
279       "sw              %[expected_dc],      12(%[dst])                    \n\t"
280 
281       "add             %[dst],              %[dst],          %[stride]    \n\t"
282       "sw              %[expected_dc],      (%[dst])                      \n\t"
283       "sw              %[expected_dc],      4(%[dst])                     \n\t"
284       "sw              %[expected_dc],      8(%[dst])                     \n\t"
285       "sw              %[expected_dc],      12(%[dst])                    \n\t"
286 
287       "add             %[dst],              %[dst],          %[stride]    \n\t"
288       "sw              %[expected_dc],      (%[dst])                      \n\t"
289       "sw              %[expected_dc],      4(%[dst])                     \n\t"
290       "sw              %[expected_dc],      8(%[dst])                     \n\t"
291       "sw              %[expected_dc],      12(%[dst])                    \n\t"
292 
293       "add             %[dst],              %[dst],          %[stride]    \n\t"
294       "sw              %[expected_dc],      (%[dst])                      \n\t"
295       "sw              %[expected_dc],      4(%[dst])                     \n\t"
296       "sw              %[expected_dc],      8(%[dst])                     \n\t"
297       "sw              %[expected_dc],      12(%[dst])                    \n\t"
298 
299       "add             %[dst],              %[dst],          %[stride]    \n\t"
300       "sw              %[expected_dc],      (%[dst])                      \n\t"
301       "sw              %[expected_dc],      4(%[dst])                     \n\t"
302       "sw              %[expected_dc],      8(%[dst])                     \n\t"
303       "sw              %[expected_dc],      12(%[dst])                    \n\t"
304 
305       "add             %[dst],              %[dst],          %[stride]    \n\t"
306       "sw              %[expected_dc],      (%[dst])                      \n\t"
307       "sw              %[expected_dc],      4(%[dst])                     \n\t"
308       "sw              %[expected_dc],      8(%[dst])                     \n\t"
309       "sw              %[expected_dc],      12(%[dst])                    \n\t"
310 
311       "add             %[dst],              %[dst],          %[stride]    \n\t"
312       "sw              %[expected_dc],      (%[dst])                      \n\t"
313       "sw              %[expected_dc],      4(%[dst])                     \n\t"
314       "sw              %[expected_dc],      8(%[dst])                     \n\t"
315       "sw              %[expected_dc],      12(%[dst])                    \n\t"
316 
317       : [left1] "=&r"(left1), [above1] "=&r"(above1), [left_l1] "=&r"(left_l1),
318         [above_l1] "=&r"(above_l1), [left_r1] "=&r"(left_r1),
319         [above_r1] "=&r"(above_r1), [above2] "=&r"(above2),
320         [left2] "=&r"(left2), [average] "=&r"(average), [tmp] "=&r"(tmp),
321         [expected_dc] "=&r"(expected_dc)
322       : [above] "r"(above), [left] "r"(left), [dst] "r"(dst),
323         [stride] "r"(stride));
324 }
325 #endif  // #if HAVE_DSPR2
326