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_4x4_dspr2(uint8_t * dst,ptrdiff_t stride,const uint8_t * above,const uint8_t * left)17 void vp9_h_predictor_4x4_dspr2(uint8_t *dst, ptrdiff_t stride,
18 const uint8_t *above, const uint8_t *left) {
19 int32_t tmp1, tmp2, tmp3, tmp4;
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 "replv.qb %[tmp1], %[tmp1] \n\t"
27 "replv.qb %[tmp2], %[tmp2] \n\t"
28 "replv.qb %[tmp3], %[tmp3] \n\t"
29 "replv.qb %[tmp4], %[tmp4] \n\t"
30 "sw %[tmp1], (%[dst]) \n\t"
31 "add %[dst], %[dst], %[stride] \n\t"
32 "sw %[tmp2], (%[dst]) \n\t"
33 "add %[dst], %[dst], %[stride] \n\t"
34 "sw %[tmp3], (%[dst]) \n\t"
35 "add %[dst], %[dst], %[stride] \n\t"
36 "sw %[tmp4], (%[dst]) \n\t"
37
38 : [tmp1] "=&r" (tmp1), [tmp2] "=&r" (tmp2),
39 [tmp3] "=&r" (tmp3), [tmp4] "=&r" (tmp4)
40 : [left] "r" (left), [dst] "r" (dst), [stride] "r" (stride)
41 );
42 }
43
vp9_dc_predictor_4x4_dspr2(uint8_t * dst,ptrdiff_t stride,const uint8_t * above,const uint8_t * left)44 void vp9_dc_predictor_4x4_dspr2(uint8_t *dst, ptrdiff_t stride,
45 const uint8_t *above, const uint8_t *left) {
46 int32_t expected_dc;
47 int32_t average;
48 int32_t tmp, above_c, above_l, above_r, left_c, left_r, left_l;
49
50 __asm__ __volatile__ (
51 "lw %[above_c], (%[above]) \n\t"
52 "lw %[left_c], (%[left]) \n\t"
53
54 "preceu.ph.qbl %[above_l], %[above_c] \n\t"
55 "preceu.ph.qbr %[above_r], %[above_c] \n\t"
56 "preceu.ph.qbl %[left_l], %[left_c] \n\t"
57 "preceu.ph.qbr %[left_r], %[left_c] \n\t"
58
59 "addu.ph %[average], %[above_r], %[above_l] \n\t"
60 "addu.ph %[average], %[average], %[left_l] \n\t"
61 "addu.ph %[average], %[average], %[left_r] \n\t"
62 "addiu %[average], %[average], 4 \n\t"
63 "srl %[tmp], %[average], 16 \n\t"
64 "addu.ph %[average], %[tmp], %[average] \n\t"
65 "srl %[expected_dc], %[average], 3 \n\t"
66 "replv.qb %[expected_dc], %[expected_dc] \n\t"
67
68 "sw %[expected_dc], (%[dst]) \n\t"
69 "add %[dst], %[dst], %[stride] \n\t"
70 "sw %[expected_dc], (%[dst]) \n\t"
71 "add %[dst], %[dst], %[stride] \n\t"
72 "sw %[expected_dc], (%[dst]) \n\t"
73 "add %[dst], %[dst], %[stride] \n\t"
74 "sw %[expected_dc], (%[dst]) \n\t"
75
76 : [above_c] "=&r" (above_c), [above_l] "=&r" (above_l),
77 [above_r] "=&r" (above_r), [left_c] "=&r" (left_c),
78 [left_l] "=&r" (left_l), [left_r] "=&r" (left_r),
79 [average] "=&r" (average), [tmp] "=&r" (tmp),
80 [expected_dc] "=&r" (expected_dc)
81 : [above] "r" (above), [left] "r" (left),
82 [dst] "r" (dst), [stride] "r" (stride)
83 );
84 }
85
vp9_tm_predictor_4x4_dspr2(uint8_t * dst,ptrdiff_t stride,const uint8_t * above,const uint8_t * left)86 void vp9_tm_predictor_4x4_dspr2(uint8_t *dst, ptrdiff_t stride,
87 const uint8_t *above, const uint8_t *left) {
88 int32_t abovel, abover;
89 int32_t left0, left1, left2, left3;
90 int32_t res0, res1;
91 int32_t resl;
92 int32_t resr;
93 int32_t top_left;
94 uint8_t *cm = vp9_ff_cropTbl;
95
96 __asm__ __volatile__ (
97 "ulw %[resl], (%[above]) \n\t"
98
99 "lbu %[left0], (%[left]) \n\t"
100 "lbu %[left1], 1(%[left]) \n\t"
101 "lbu %[left2], 2(%[left]) \n\t"
102 "lbu %[left3], 3(%[left]) \n\t"
103
104 "lbu %[top_left], -1(%[above]) \n\t"
105
106 "preceu.ph.qbl %[abovel], %[resl] \n\t"
107 "preceu.ph.qbr %[abover], %[resl] \n\t"
108
109 "replv.ph %[left0], %[left0] \n\t"
110 "replv.ph %[left1], %[left1] \n\t"
111 "replv.ph %[left2], %[left2] \n\t"
112 "replv.ph %[left3], %[left3] \n\t"
113
114 "replv.ph %[top_left], %[top_left] \n\t"
115
116 "addu.ph %[resl], %[abovel], %[left0] \n\t"
117 "subu.ph %[resl], %[resl], %[top_left] \n\t"
118
119 "addu.ph %[resr], %[abover], %[left0] \n\t"
120 "subu.ph %[resr], %[resr], %[top_left] \n\t"
121
122 "sll %[res0], %[resr], 16 \n\t"
123 "sra %[res0], %[res0], 16 \n\t"
124 "lbux %[res0], %[res0](%[cm]) \n\t"
125
126 "sra %[res1], %[resr], 16 \n\t"
127 "lbux %[res1], %[res1](%[cm]) \n\t"
128 "sb %[res0], (%[dst]) \n\t"
129
130 "sll %[res0], %[resl], 16 \n\t"
131 "sra %[res0], %[res0], 16 \n\t"
132 "lbux %[res0], %[res0](%[cm]) \n\t"
133 "sb %[res1], 1(%[dst]) \n\t"
134
135 "sra %[res1], %[resl], 16 \n\t"
136 "lbux %[res1], %[res1](%[cm]) \n\t"
137
138 "addu.ph %[resl], %[abovel], %[left1] \n\t"
139 "subu.ph %[resl], %[resl], %[top_left] \n\t"
140
141 "addu.ph %[resr], %[abover], %[left1] \n\t"
142 "subu.ph %[resr], %[resr], %[top_left] \n\t"
143
144 "sb %[res0], 2(%[dst]) \n\t"
145 "sb %[res1], 3(%[dst]) \n\t"
146
147 "add %[dst], %[dst], %[stride] \n\t"
148
149 "sll %[res0], %[resr], 16 \n\t"
150 "sra %[res0], %[res0], 16 \n\t"
151 "lbux %[res0], %[res0](%[cm]) \n\t"
152
153 "sra %[res1], %[resr], 16 \n\t"
154 "lbux %[res1], %[res1](%[cm]) \n\t"
155 "sb %[res0], (%[dst]) \n\t"
156
157 "sll %[res0], %[resl], 16 \n\t"
158 "sra %[res0], %[res0], 16 \n\t"
159 "lbux %[res0], %[res0](%[cm]) \n\t"
160
161 "sb %[res1], 1(%[dst]) \n\t"
162 "sra %[res1], %[resl], 16 \n\t"
163 "lbux %[res1], %[res1](%[cm]) \n\t"
164
165 "addu.ph %[resl], %[abovel], %[left2] \n\t"
166 "subu.ph %[resl], %[resl], %[top_left] \n\t"
167
168 "addu.ph %[resr], %[abover], %[left2] \n\t"
169 "subu.ph %[resr], %[resr], %[top_left] \n\t"
170
171 "sb %[res0], 2(%[dst]) \n\t"
172 "sb %[res1], 3(%[dst]) \n\t"
173
174 "add %[dst], %[dst], %[stride] \n\t"
175
176 "sll %[res0], %[resr], 16 \n\t"
177 "sra %[res0], %[res0], 16 \n\t"
178 "lbux %[res0], %[res0](%[cm]) \n\t"
179
180
181 "sra %[res1], %[resr], 16 \n\t"
182 "lbux %[res1], %[res1](%[cm]) \n\t"
183 "sb %[res0], (%[dst]) \n\t"
184
185 "sll %[res0], %[resl], 16 \n\t"
186 "sra %[res0], %[res0], 16 \n\t"
187 "lbux %[res0], %[res0](%[cm]) \n\t"
188
189
190 "sb %[res1], 1(%[dst]) \n\t"
191 "sra %[res1], %[resl], 16 \n\t"
192 "lbux %[res1], %[res1](%[cm]) \n\t"
193
194 "addu.ph %[resl], %[abovel], %[left3] \n\t"
195 "subu.ph %[resl], %[resl], %[top_left] \n\t"
196
197 "addu.ph %[resr], %[abover], %[left3] \n\t"
198 "subu.ph %[resr], %[resr], %[top_left] \n\t"
199
200 "sb %[res0], 2(%[dst]) \n\t"
201 "sb %[res1], 3(%[dst]) \n\t"
202
203 "add %[dst], %[dst], %[stride] \n\t"
204
205 "sll %[res0], %[resr], 16 \n\t"
206 "sra %[res0], %[res0], 16 \n\t"
207 "lbux %[res0], %[res0](%[cm]) \n\t"
208
209 "sra %[res1], %[resr], 16 \n\t"
210 "lbux %[res1], %[res1](%[cm]) \n\t"
211 "sb %[res0], (%[dst]) \n\t"
212
213 "sll %[res0], %[resl], 16 \n\t"
214 "sra %[res0], %[res0], 16 \n\t"
215 "lbux %[res0], %[res0](%[cm]) \n\t"
216 "sb %[res1], 1(%[dst]) \n\t"
217
218 "sra %[res1], %[resl], 16 \n\t"
219 "lbux %[res1], %[res1](%[cm]) \n\t"
220
221 "sb %[res0], 2(%[dst]) \n\t"
222 "sb %[res1], 3(%[dst]) \n\t"
223
224 : [abovel] "=&r" (abovel), [abover] "=&r" (abover),
225 [left0] "=&r" (left0), [left1] "=&r" (left1), [left2] "=&r" (left2),
226 [res0] "=&r" (res0), [res1] "=&r" (res1), [left3] "=&r" (left3),
227 [resl] "=&r" (resl), [resr] "=&r" (resr), [top_left] "=&r" (top_left)
228 : [above] "r" (above), [left] "r" (left),
229 [dst] "r" (dst), [stride] "r" (stride), [cm] "r" (cm)
230 );
231 }
232 #endif // #if HAVE_DSPR2
233