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_4x4_dspr2(uint8_t * dst,ptrdiff_t stride,const uint8_t * above,const uint8_t * left)14 void vpx_h_predictor_4x4_dspr2(uint8_t *dst, ptrdiff_t stride,
15 const uint8_t *above, const uint8_t *left) {
16 int32_t tmp1, tmp2, tmp3, tmp4;
17
18 __asm__ __volatile__ (
19 "lb %[tmp1], (%[left]) \n\t"
20 "lb %[tmp2], 1(%[left]) \n\t"
21 "lb %[tmp3], 2(%[left]) \n\t"
22 "lb %[tmp4], 3(%[left]) \n\t"
23 "replv.qb %[tmp1], %[tmp1] \n\t"
24 "replv.qb %[tmp2], %[tmp2] \n\t"
25 "replv.qb %[tmp3], %[tmp3] \n\t"
26 "replv.qb %[tmp4], %[tmp4] \n\t"
27 "sw %[tmp1], (%[dst]) \n\t"
28 "add %[dst], %[dst], %[stride] \n\t"
29 "sw %[tmp2], (%[dst]) \n\t"
30 "add %[dst], %[dst], %[stride] \n\t"
31 "sw %[tmp3], (%[dst]) \n\t"
32 "add %[dst], %[dst], %[stride] \n\t"
33 "sw %[tmp4], (%[dst]) \n\t"
34
35 : [tmp1] "=&r" (tmp1), [tmp2] "=&r" (tmp2),
36 [tmp3] "=&r" (tmp3), [tmp4] "=&r" (tmp4)
37 : [left] "r" (left), [dst] "r" (dst), [stride] "r" (stride)
38 );
39 }
40
vpx_dc_predictor_4x4_dspr2(uint8_t * dst,ptrdiff_t stride,const uint8_t * above,const uint8_t * left)41 void vpx_dc_predictor_4x4_dspr2(uint8_t *dst, ptrdiff_t stride,
42 const uint8_t *above, const uint8_t *left) {
43 int32_t expected_dc;
44 int32_t average;
45 int32_t tmp, above_c, above_l, above_r, left_c, left_r, left_l;
46
47 __asm__ __volatile__ (
48 "lw %[above_c], (%[above]) \n\t"
49 "lw %[left_c], (%[left]) \n\t"
50
51 "preceu.ph.qbl %[above_l], %[above_c] \n\t"
52 "preceu.ph.qbr %[above_r], %[above_c] \n\t"
53 "preceu.ph.qbl %[left_l], %[left_c] \n\t"
54 "preceu.ph.qbr %[left_r], %[left_c] \n\t"
55
56 "addu.ph %[average], %[above_r], %[above_l] \n\t"
57 "addu.ph %[average], %[average], %[left_l] \n\t"
58 "addu.ph %[average], %[average], %[left_r] \n\t"
59 "addiu %[average], %[average], 4 \n\t"
60 "srl %[tmp], %[average], 16 \n\t"
61 "addu.ph %[average], %[tmp], %[average] \n\t"
62 "srl %[expected_dc], %[average], 3 \n\t"
63 "replv.qb %[expected_dc], %[expected_dc] \n\t"
64
65 "sw %[expected_dc], (%[dst]) \n\t"
66 "add %[dst], %[dst], %[stride] \n\t"
67 "sw %[expected_dc], (%[dst]) \n\t"
68 "add %[dst], %[dst], %[stride] \n\t"
69 "sw %[expected_dc], (%[dst]) \n\t"
70 "add %[dst], %[dst], %[stride] \n\t"
71 "sw %[expected_dc], (%[dst]) \n\t"
72
73 : [above_c] "=&r" (above_c), [above_l] "=&r" (above_l),
74 [above_r] "=&r" (above_r), [left_c] "=&r" (left_c),
75 [left_l] "=&r" (left_l), [left_r] "=&r" (left_r),
76 [average] "=&r" (average), [tmp] "=&r" (tmp),
77 [expected_dc] "=&r" (expected_dc)
78 : [above] "r" (above), [left] "r" (left),
79 [dst] "r" (dst), [stride] "r" (stride)
80 );
81 }
82
vpx_tm_predictor_4x4_dspr2(uint8_t * dst,ptrdiff_t stride,const uint8_t * above,const uint8_t * left)83 void vpx_tm_predictor_4x4_dspr2(uint8_t *dst, ptrdiff_t stride,
84 const uint8_t *above, const uint8_t *left) {
85 int32_t abovel, abover;
86 int32_t left0, left1, left2, left3;
87 int32_t res0, res1;
88 int32_t resl;
89 int32_t resr;
90 int32_t top_left;
91 uint8_t *cm = vpx_ff_cropTbl;
92
93 __asm__ __volatile__ (
94 "ulw %[resl], (%[above]) \n\t"
95
96 "lbu %[left0], (%[left]) \n\t"
97 "lbu %[left1], 1(%[left]) \n\t"
98 "lbu %[left2], 2(%[left]) \n\t"
99 "lbu %[left3], 3(%[left]) \n\t"
100
101 "lbu %[top_left], -1(%[above]) \n\t"
102
103 "preceu.ph.qbl %[abovel], %[resl] \n\t"
104 "preceu.ph.qbr %[abover], %[resl] \n\t"
105
106 "replv.ph %[left0], %[left0] \n\t"
107 "replv.ph %[left1], %[left1] \n\t"
108 "replv.ph %[left2], %[left2] \n\t"
109 "replv.ph %[left3], %[left3] \n\t"
110
111 "replv.ph %[top_left], %[top_left] \n\t"
112
113 "addu.ph %[resl], %[abovel], %[left0] \n\t"
114 "subu.ph %[resl], %[resl], %[top_left] \n\t"
115
116 "addu.ph %[resr], %[abover], %[left0] \n\t"
117 "subu.ph %[resr], %[resr], %[top_left] \n\t"
118
119 "sll %[res0], %[resr], 16 \n\t"
120 "sra %[res0], %[res0], 16 \n\t"
121 "lbux %[res0], %[res0](%[cm]) \n\t"
122
123 "sra %[res1], %[resr], 16 \n\t"
124 "lbux %[res1], %[res1](%[cm]) \n\t"
125 "sb %[res0], (%[dst]) \n\t"
126
127 "sll %[res0], %[resl], 16 \n\t"
128 "sra %[res0], %[res0], 16 \n\t"
129 "lbux %[res0], %[res0](%[cm]) \n\t"
130 "sb %[res1], 1(%[dst]) \n\t"
131
132 "sra %[res1], %[resl], 16 \n\t"
133 "lbux %[res1], %[res1](%[cm]) \n\t"
134
135 "addu.ph %[resl], %[abovel], %[left1] \n\t"
136 "subu.ph %[resl], %[resl], %[top_left] \n\t"
137
138 "addu.ph %[resr], %[abover], %[left1] \n\t"
139 "subu.ph %[resr], %[resr], %[top_left] \n\t"
140
141 "sb %[res0], 2(%[dst]) \n\t"
142 "sb %[res1], 3(%[dst]) \n\t"
143
144 "add %[dst], %[dst], %[stride] \n\t"
145
146 "sll %[res0], %[resr], 16 \n\t"
147 "sra %[res0], %[res0], 16 \n\t"
148 "lbux %[res0], %[res0](%[cm]) \n\t"
149
150 "sra %[res1], %[resr], 16 \n\t"
151 "lbux %[res1], %[res1](%[cm]) \n\t"
152 "sb %[res0], (%[dst]) \n\t"
153
154 "sll %[res0], %[resl], 16 \n\t"
155 "sra %[res0], %[res0], 16 \n\t"
156 "lbux %[res0], %[res0](%[cm]) \n\t"
157
158 "sb %[res1], 1(%[dst]) \n\t"
159 "sra %[res1], %[resl], 16 \n\t"
160 "lbux %[res1], %[res1](%[cm]) \n\t"
161
162 "addu.ph %[resl], %[abovel], %[left2] \n\t"
163 "subu.ph %[resl], %[resl], %[top_left] \n\t"
164
165 "addu.ph %[resr], %[abover], %[left2] \n\t"
166 "subu.ph %[resr], %[resr], %[top_left] \n\t"
167
168 "sb %[res0], 2(%[dst]) \n\t"
169 "sb %[res1], 3(%[dst]) \n\t"
170
171 "add %[dst], %[dst], %[stride] \n\t"
172
173 "sll %[res0], %[resr], 16 \n\t"
174 "sra %[res0], %[res0], 16 \n\t"
175 "lbux %[res0], %[res0](%[cm]) \n\t"
176
177
178 "sra %[res1], %[resr], 16 \n\t"
179 "lbux %[res1], %[res1](%[cm]) \n\t"
180 "sb %[res0], (%[dst]) \n\t"
181
182 "sll %[res0], %[resl], 16 \n\t"
183 "sra %[res0], %[res0], 16 \n\t"
184 "lbux %[res0], %[res0](%[cm]) \n\t"
185
186
187 "sb %[res1], 1(%[dst]) \n\t"
188 "sra %[res1], %[resl], 16 \n\t"
189 "lbux %[res1], %[res1](%[cm]) \n\t"
190
191 "addu.ph %[resl], %[abovel], %[left3] \n\t"
192 "subu.ph %[resl], %[resl], %[top_left] \n\t"
193
194 "addu.ph %[resr], %[abover], %[left3] \n\t"
195 "subu.ph %[resr], %[resr], %[top_left] \n\t"
196
197 "sb %[res0], 2(%[dst]) \n\t"
198 "sb %[res1], 3(%[dst]) \n\t"
199
200 "add %[dst], %[dst], %[stride] \n\t"
201
202 "sll %[res0], %[resr], 16 \n\t"
203 "sra %[res0], %[res0], 16 \n\t"
204 "lbux %[res0], %[res0](%[cm]) \n\t"
205
206 "sra %[res1], %[resr], 16 \n\t"
207 "lbux %[res1], %[res1](%[cm]) \n\t"
208 "sb %[res0], (%[dst]) \n\t"
209
210 "sll %[res0], %[resl], 16 \n\t"
211 "sra %[res0], %[res0], 16 \n\t"
212 "lbux %[res0], %[res0](%[cm]) \n\t"
213 "sb %[res1], 1(%[dst]) \n\t"
214
215 "sra %[res1], %[resl], 16 \n\t"
216 "lbux %[res1], %[res1](%[cm]) \n\t"
217
218 "sb %[res0], 2(%[dst]) \n\t"
219 "sb %[res1], 3(%[dst]) \n\t"
220
221 : [abovel] "=&r" (abovel), [abover] "=&r" (abover),
222 [left0] "=&r" (left0), [left1] "=&r" (left1), [left2] "=&r" (left2),
223 [res0] "=&r" (res0), [res1] "=&r" (res1), [left3] "=&r" (left3),
224 [resl] "=&r" (resl), [resr] "=&r" (resr), [top_left] "=&r" (top_left)
225 : [above] "r" (above), [left] "r" (left),
226 [dst] "r" (dst), [stride] "r" (stride), [cm] "r" (cm)
227 );
228 }
229 #endif // #if HAVE_DSPR2
230