1 /*
2  * iWMMXt optimized DSP utils
3  * copyright (c) 2004 AGAWA Koji
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 /* This header intentionally has no multiple inclusion guards. It is meant to
23  * be included multiple times and generates different code depending on the
24  * value of certain #defines. */
25 
DEF(put,pixels8)26 void DEF(put, pixels8)(uint8_t *block, const uint8_t *pixels, const int line_size, int h)
27 {
28     int stride = line_size;
29     asm volatile (
30         "and r12, %[pixels], #7 \n\t"
31         "bic %[pixels], %[pixels], #7 \n\t"
32         "tmcr wcgr1, r12 \n\t"
33         "add r4, %[pixels], %[line_size] \n\t"
34         "add r5, %[block], %[line_size] \n\t"
35         "mov %[line_size], %[line_size], lsl #1 \n\t"
36         "1: \n\t"
37         "wldrd wr0, [%[pixels]] \n\t"
38         "subs %[h], %[h], #2 \n\t"
39         "wldrd wr1, [%[pixels], #8] \n\t"
40         "add %[pixels], %[pixels], %[line_size] \n\t"
41         "wldrd wr3, [r4] \n\t"
42         "pld [%[pixels]] \n\t"
43         "pld [%[pixels], #32] \n\t"
44         "wldrd wr4, [r4, #8] \n\t"
45         "add r4, r4, %[line_size] \n\t"
46         "walignr1 wr8, wr0, wr1 \n\t"
47         "pld [r4] \n\t"
48         "pld [r4, #32] \n\t"
49         "walignr1 wr10, wr3, wr4 \n\t"
50         "wstrd wr8, [%[block]] \n\t"
51         "add %[block], %[block], %[line_size] \n\t"
52         "wstrd wr10, [r5] \n\t"
53         "add r5, r5, %[line_size] \n\t"
54         "bne 1b \n\t"
55         : [block]"+r"(block), [pixels]"+r"(pixels), [line_size]"+r"(stride), [h]"+r"(h)
56         :
57         : "memory", "r4", "r5", "r12");
58 }
59 
DEF(avg,pixels8)60 void DEF(avg, pixels8)(uint8_t *block, const uint8_t *pixels, const int line_size, int h)
61 {
62     int stride = line_size;
63     asm volatile (
64         "and r12, %[pixels], #7 \n\t"
65         "bic %[pixels], %[pixels], #7 \n\t"
66         "tmcr wcgr1, r12 \n\t"
67         "add r4, %[pixels], %[line_size] \n\t"
68         "add r5, %[block], %[line_size] \n\t"
69         "mov %[line_size], %[line_size], lsl #1 \n\t"
70         "1: \n\t"
71         "wldrd wr0, [%[pixels]] \n\t"
72         "subs %[h], %[h], #2 \n\t"
73         "wldrd wr1, [%[pixels], #8] \n\t"
74         "add %[pixels], %[pixels], %[line_size] \n\t"
75         "wldrd wr3, [r4] \n\t"
76         "pld [%[pixels]] \n\t"
77         "pld [%[pixels], #32] \n\t"
78         "wldrd wr4, [r4, #8] \n\t"
79         "add r4, r4, %[line_size] \n\t"
80         "walignr1 wr8, wr0, wr1 \n\t"
81         "wldrd wr0, [%[block]] \n\t"
82         "wldrd wr2, [r5] \n\t"
83         "pld [r4] \n\t"
84         "pld [r4, #32] \n\t"
85         "walignr1 wr10, wr3, wr4 \n\t"
86         WAVG2B" wr8, wr8, wr0 \n\t"
87         WAVG2B" wr10, wr10, wr2 \n\t"
88         "wstrd wr8, [%[block]] \n\t"
89         "add %[block], %[block], %[line_size] \n\t"
90         "wstrd wr10, [r5] \n\t"
91         "pld [%[block]] \n\t"
92         "pld [%[block], #32] \n\t"
93         "add r5, r5, %[line_size] \n\t"
94         "pld [r5] \n\t"
95         "pld [r5, #32] \n\t"
96         "bne 1b \n\t"
97         : [block]"+r"(block), [pixels]"+r"(pixels), [line_size]"+r"(stride), [h]"+r"(h)
98         :
99         : "memory", "r4", "r5", "r12");
100 }
101 
DEF(put,pixels16)102 void DEF(put, pixels16)(uint8_t *block, const uint8_t *pixels, const int line_size, int h)
103 {
104     int stride = line_size;
105     asm volatile (
106         "and r12, %[pixels], #7 \n\t"
107         "bic %[pixels], %[pixels], #7 \n\t"
108         "tmcr wcgr1, r12 \n\t"
109         "add r4, %[pixels], %[line_size] \n\t"
110         "add r5, %[block], %[line_size] \n\t"
111         "mov %[line_size], %[line_size], lsl #1 \n\t"
112         "1: \n\t"
113         "wldrd wr0, [%[pixels]] \n\t"
114         "wldrd wr1, [%[pixels], #8] \n\t"
115         "subs %[h], %[h], #2 \n\t"
116         "wldrd wr2, [%[pixels], #16] \n\t"
117         "add %[pixels], %[pixels], %[line_size] \n\t"
118         "wldrd wr3, [r4] \n\t"
119         "pld [%[pixels]] \n\t"
120         "pld [%[pixels], #32] \n\t"
121         "walignr1 wr8, wr0, wr1 \n\t"
122         "wldrd wr4, [r4, #8] \n\t"
123         "walignr1 wr9, wr1, wr2 \n\t"
124         "wldrd wr5, [r4, #16] \n\t"
125         "add r4, r4, %[line_size] \n\t"
126         "pld [r4] \n\t"
127         "pld [r4, #32] \n\t"
128         "walignr1 wr10, wr3, wr4 \n\t"
129         "wstrd wr8, [%[block]] \n\t"
130         "walignr1 wr11, wr4, wr5 \n\t"
131         "wstrd wr9, [%[block], #8] \n\t"
132         "add %[block], %[block], %[line_size] \n\t"
133         "wstrd wr10, [r5] \n\t"
134         "wstrd wr11, [r5, #8] \n\t"
135         "add r5, r5, %[line_size] \n\t"
136         "bne 1b \n\t"
137         : [block]"+r"(block), [pixels]"+r"(pixels), [line_size]"+r"(stride), [h]"+r"(h)
138         :
139         : "memory", "r4", "r5", "r12");
140 }
141 
DEF(avg,pixels16)142 void DEF(avg, pixels16)(uint8_t *block, const uint8_t *pixels, const int line_size, int h)
143 {
144     int stride = line_size;
145     asm volatile (
146         "pld [%[pixels]]                \n\t"
147         "pld [%[pixels], #32]           \n\t"
148         "pld [%[block]]                 \n\t"
149         "pld [%[block], #32]            \n\t"
150         "and r12, %[pixels], #7         \n\t"
151         "bic %[pixels], %[pixels], #7   \n\t"
152         "tmcr wcgr1, r12                \n\t"
153         "add r4, %[pixels], %[line_size]\n\t"
154         "add r5, %[block], %[line_size] \n\t"
155         "mov %[line_size], %[line_size], lsl #1 \n\t"
156         "1:                             \n\t"
157         "wldrd wr0, [%[pixels]]         \n\t"
158         "wldrd wr1, [%[pixels], #8]     \n\t"
159         "subs %[h], %[h], #2            \n\t"
160         "wldrd wr2, [%[pixels], #16]    \n\t"
161         "add %[pixels], %[pixels], %[line_size] \n\t"
162         "wldrd wr3, [r4]                \n\t"
163         "pld [%[pixels]]                \n\t"
164         "pld [%[pixels], #32]           \n\t"
165         "walignr1 wr8, wr0, wr1         \n\t"
166         "wldrd wr4, [r4, #8]            \n\t"
167         "walignr1 wr9, wr1, wr2         \n\t"
168         "wldrd wr5, [r4, #16]           \n\t"
169         "add r4, r4, %[line_size]       \n\t"
170         "wldrd wr0, [%[block]]          \n\t"
171         "pld [r4]                       \n\t"
172         "wldrd wr1, [%[block], #8]      \n\t"
173         "pld [r4, #32]                  \n\t"
174         "wldrd wr2, [r5]                \n\t"
175         "walignr1 wr10, wr3, wr4        \n\t"
176         "wldrd wr3, [r5, #8]            \n\t"
177         WAVG2B" wr8, wr8, wr0           \n\t"
178         WAVG2B" wr9, wr9, wr1           \n\t"
179         WAVG2B" wr10, wr10, wr2         \n\t"
180         "wstrd wr8, [%[block]]          \n\t"
181         "walignr1 wr11, wr4, wr5        \n\t"
182         WAVG2B" wr11, wr11, wr3         \n\t"
183         "wstrd wr9, [%[block], #8]      \n\t"
184         "add %[block], %[block], %[line_size] \n\t"
185         "wstrd wr10, [r5]               \n\t"
186         "pld [%[block]]                 \n\t"
187         "pld [%[block], #32]            \n\t"
188         "wstrd wr11, [r5, #8]           \n\t"
189         "add r5, r5, %[line_size]       \n\t"
190         "pld [r5]                       \n\t"
191         "pld [r5, #32]                  \n\t"
192         "bne 1b \n\t"
193         : [block]"+r"(block), [pixels]"+r"(pixels), [line_size]"+r"(stride), [h]"+r"(h)
194         :
195         : "memory", "r4", "r5", "r12");
196 }
197 
DEF(put,pixels8_x2)198 void DEF(put, pixels8_x2)(uint8_t *block, const uint8_t *pixels, const int line_size, int h)
199 {
200     int stride = line_size;
201     // [wr0 wr1 wr2 wr3] for previous line
202     // [wr4 wr5 wr6 wr7] for current line
203     SET_RND(wr15); // =2 for rnd  and  =1 for no_rnd version
204     asm volatile(
205         "pld [%[pixels]]                \n\t"
206         "pld [%[pixels], #32]           \n\t"
207         "and r12, %[pixels], #7         \n\t"
208         "bic %[pixels], %[pixels], #7   \n\t"
209         "tmcr wcgr1, r12                \n\t"
210         "add r12, r12, #1               \n\t"
211         "add r4, %[pixels], %[line_size]\n\t"
212         "tmcr wcgr2, r12                \n\t"
213         "add r5, %[block], %[line_size] \n\t"
214         "mov %[line_size], %[line_size], lsl #1 \n\t"
215 
216         "1:                             \n\t"
217         "wldrd wr10, [%[pixels]]        \n\t"
218         "cmp r12, #8                    \n\t"
219         "wldrd wr11, [%[pixels], #8]    \n\t"
220         "add %[pixels], %[pixels], %[line_size] \n\t"
221         "wldrd wr13, [r4]               \n\t"
222         "pld [%[pixels]]                \n\t"
223         "wldrd wr14, [r4, #8]           \n\t"
224         "pld [%[pixels], #32]           \n\t"
225         "add r4, r4, %[line_size]       \n\t"
226         "walignr1 wr0, wr10, wr11       \n\t"
227         "pld [r4]                       \n\t"
228         "pld [r4, #32]                  \n\t"
229         "walignr1 wr2, wr13, wr14       \n\t"
230         "wmoveq wr4, wr11               \n\t"
231         "wmoveq wr6, wr14               \n\t"
232         "walignr2ne wr4, wr10, wr11     \n\t"
233         "walignr2ne wr6, wr13, wr14     \n\t"
234         WAVG2B" wr0, wr0, wr4           \n\t"
235         WAVG2B" wr2, wr2, wr6           \n\t"
236         "wstrd wr0, [%[block]]          \n\t"
237         "subs %[h], %[h], #2            \n\t"
238         "wstrd wr2, [r5]                \n\t"
239         "add %[block], %[block], %[line_size]   \n\t"
240         "add r5, r5, %[line_size]       \n\t"
241         "bne 1b                         \n\t"
242         : [h]"+r"(h), [pixels]"+r"(pixels), [block]"+r"(block), [line_size]"+r"(stride)
243         :
244         : "r4", "r5", "r12", "memory");
245 }
246 
DEF(put,pixels16_x2)247 void DEF(put, pixels16_x2)(uint8_t *block, const uint8_t *pixels, const int line_size, int h)
248 {
249     int stride = line_size;
250     // [wr0 wr1 wr2 wr3] for previous line
251     // [wr4 wr5 wr6 wr7] for current line
252     SET_RND(wr15); // =2 for rnd  and  =1 for no_rnd version
253     asm volatile(
254         "pld [%[pixels]]                \n\t"
255         "pld [%[pixels], #32]           \n\t"
256         "and r12, %[pixels], #7         \n\t"
257         "bic %[pixels], %[pixels], #7   \n\t"
258         "tmcr wcgr1, r12                \n\t"
259         "add r12, r12, #1               \n\t"
260         "add r4, %[pixels], %[line_size]\n\t"
261         "tmcr wcgr2, r12                \n\t"
262         "add r5, %[block], %[line_size] \n\t"
263         "mov %[line_size], %[line_size], lsl #1 \n\t"
264 
265         "1:                             \n\t"
266         "wldrd wr10, [%[pixels]]        \n\t"
267         "cmp r12, #8                    \n\t"
268         "wldrd wr11, [%[pixels], #8]    \n\t"
269         "wldrd wr12, [%[pixels], #16]   \n\t"
270         "add %[pixels], %[pixels], %[line_size] \n\t"
271         "wldrd wr13, [r4]               \n\t"
272         "pld [%[pixels]]                \n\t"
273         "wldrd wr14, [r4, #8]           \n\t"
274         "pld [%[pixels], #32]           \n\t"
275         "wldrd wr15, [r4, #16]          \n\t"
276         "add r4, r4, %[line_size]       \n\t"
277         "walignr1 wr0, wr10, wr11       \n\t"
278         "pld [r4]                       \n\t"
279         "pld [r4, #32]                  \n\t"
280         "walignr1 wr1, wr11, wr12       \n\t"
281         "walignr1 wr2, wr13, wr14       \n\t"
282         "walignr1 wr3, wr14, wr15       \n\t"
283         "wmoveq wr4, wr11               \n\t"
284         "wmoveq wr5, wr12               \n\t"
285         "wmoveq wr6, wr14               \n\t"
286         "wmoveq wr7, wr15               \n\t"
287         "walignr2ne wr4, wr10, wr11     \n\t"
288         "walignr2ne wr5, wr11, wr12     \n\t"
289         "walignr2ne wr6, wr13, wr14     \n\t"
290         "walignr2ne wr7, wr14, wr15     \n\t"
291         WAVG2B" wr0, wr0, wr4           \n\t"
292         WAVG2B" wr1, wr1, wr5           \n\t"
293         "wstrd wr0, [%[block]]          \n\t"
294         WAVG2B" wr2, wr2, wr6           \n\t"
295         "wstrd wr1, [%[block], #8]      \n\t"
296         WAVG2B" wr3, wr3, wr7           \n\t"
297         "add %[block], %[block], %[line_size]   \n\t"
298         "wstrd wr2, [r5]                \n\t"
299         "subs %[h], %[h], #2            \n\t"
300         "wstrd wr3, [r5, #8]            \n\t"
301         "add r5, r5, %[line_size]       \n\t"
302         "bne 1b                         \n\t"
303         : [h]"+r"(h), [pixels]"+r"(pixels), [block]"+r"(block), [line_size]"+r"(stride)
304         :
305         : "r4", "r5", "r12", "memory");
306 }
307 
DEF(avg,pixels8_x2)308 void DEF(avg, pixels8_x2)(uint8_t *block, const uint8_t *pixels, const int line_size, int h)
309 {
310     int stride = line_size;
311     // [wr0 wr1 wr2 wr3] for previous line
312     // [wr4 wr5 wr6 wr7] for current line
313     SET_RND(wr15); // =2 for rnd  and  =1 for no_rnd version
314     asm volatile(
315         "pld [%[pixels]]                \n\t"
316         "pld [%[pixels], #32]           \n\t"
317         "pld [%[block]]                 \n\t"
318         "pld [%[block], #32]            \n\t"
319         "and r12, %[pixels], #7         \n\t"
320         "bic %[pixels], %[pixels], #7   \n\t"
321         "tmcr wcgr1, r12                \n\t"
322         "add r12, r12, #1               \n\t"
323         "add r4, %[pixels], %[line_size]\n\t"
324         "tmcr wcgr2, r12                \n\t"
325         "add r5, %[block], %[line_size] \n\t"
326         "mov %[line_size], %[line_size], lsl #1 \n\t"
327         "pld [r5]                       \n\t"
328         "pld [r5, #32]                  \n\t"
329 
330         "1:                             \n\t"
331         "wldrd wr10, [%[pixels]]        \n\t"
332         "cmp r12, #8                    \n\t"
333         "wldrd wr11, [%[pixels], #8]    \n\t"
334         "add %[pixels], %[pixels], %[line_size] \n\t"
335         "wldrd wr13, [r4]               \n\t"
336         "pld [%[pixels]]                \n\t"
337         "wldrd wr14, [r4, #8]           \n\t"
338         "pld [%[pixels], #32]           \n\t"
339         "add r4, r4, %[line_size]       \n\t"
340         "walignr1 wr0, wr10, wr11       \n\t"
341         "pld [r4]                       \n\t"
342         "pld [r4, #32]                  \n\t"
343         "walignr1 wr2, wr13, wr14       \n\t"
344         "wmoveq wr4, wr11               \n\t"
345         "wmoveq wr6, wr14               \n\t"
346         "walignr2ne wr4, wr10, wr11     \n\t"
347         "wldrd wr10, [%[block]]         \n\t"
348         "walignr2ne wr6, wr13, wr14     \n\t"
349         "wldrd wr12, [r5]               \n\t"
350         WAVG2B" wr0, wr0, wr4           \n\t"
351         WAVG2B" wr2, wr2, wr6           \n\t"
352         WAVG2B" wr0, wr0, wr10          \n\t"
353         WAVG2B" wr2, wr2, wr12          \n\t"
354         "wstrd wr0, [%[block]]          \n\t"
355         "subs %[h], %[h], #2            \n\t"
356         "wstrd wr2, [r5]                \n\t"
357         "add %[block], %[block], %[line_size]   \n\t"
358         "add r5, r5, %[line_size]       \n\t"
359         "pld [%[block]]                 \n\t"
360         "pld [%[block], #32]            \n\t"
361         "pld [r5]                       \n\t"
362         "pld [r5, #32]                  \n\t"
363         "bne 1b                         \n\t"
364         : [h]"+r"(h), [pixels]"+r"(pixels), [block]"+r"(block), [line_size]"+r"(stride)
365         :
366         : "r4", "r5", "r12", "memory");
367 }
368 
DEF(avg,pixels16_x2)369 void DEF(avg, pixels16_x2)(uint8_t *block, const uint8_t *pixels, const int line_size, int h)
370 {
371     int stride = line_size;
372     // [wr0 wr1 wr2 wr3] for previous line
373     // [wr4 wr5 wr6 wr7] for current line
374     SET_RND(wr15); // =2 for rnd  and  =1 for no_rnd version
375     asm volatile(
376         "pld [%[pixels]]                \n\t"
377         "pld [%[pixels], #32]           \n\t"
378         "pld [%[block]]                 \n\t"
379         "pld [%[block], #32]            \n\t"
380         "and r12, %[pixels], #7         \n\t"
381         "bic %[pixels], %[pixels], #7   \n\t"
382         "tmcr wcgr1, r12                \n\t"
383         "add r12, r12, #1               \n\t"
384         "add r4, %[pixels], %[line_size]\n\t"
385         "tmcr wcgr2, r12                \n\t"
386         "add r5, %[block], %[line_size] \n\t"
387         "mov %[line_size], %[line_size], lsl #1 \n\t"
388         "pld [r5]                       \n\t"
389         "pld [r5, #32]                  \n\t"
390 
391         "1:                             \n\t"
392         "wldrd wr10, [%[pixels]]        \n\t"
393         "cmp r12, #8                    \n\t"
394         "wldrd wr11, [%[pixels], #8]    \n\t"
395         "wldrd wr12, [%[pixels], #16]   \n\t"
396         "add %[pixels], %[pixels], %[line_size] \n\t"
397         "wldrd wr13, [r4]               \n\t"
398         "pld [%[pixels]]                \n\t"
399         "wldrd wr14, [r4, #8]           \n\t"
400         "pld [%[pixels], #32]           \n\t"
401         "wldrd wr15, [r4, #16]          \n\t"
402         "add r4, r4, %[line_size]       \n\t"
403         "walignr1 wr0, wr10, wr11       \n\t"
404         "pld [r4]                       \n\t"
405         "pld [r4, #32]                  \n\t"
406         "walignr1 wr1, wr11, wr12       \n\t"
407         "walignr1 wr2, wr13, wr14       \n\t"
408         "walignr1 wr3, wr14, wr15       \n\t"
409         "wmoveq wr4, wr11               \n\t"
410         "wmoveq wr5, wr12               \n\t"
411         "wmoveq wr6, wr14               \n\t"
412         "wmoveq wr7, wr15               \n\t"
413         "walignr2ne wr4, wr10, wr11     \n\t"
414         "walignr2ne wr5, wr11, wr12     \n\t"
415         "walignr2ne wr6, wr13, wr14     \n\t"
416         "walignr2ne wr7, wr14, wr15     \n\t"
417         "wldrd wr10, [%[block]]         \n\t"
418         WAVG2B" wr0, wr0, wr4           \n\t"
419         "wldrd wr11, [%[block], #8]     \n\t"
420         WAVG2B" wr1, wr1, wr5           \n\t"
421         "wldrd wr12, [r5]               \n\t"
422         WAVG2B" wr2, wr2, wr6           \n\t"
423         "wldrd wr13, [r5, #8]           \n\t"
424         WAVG2B" wr3, wr3, wr7           \n\t"
425         WAVG2B" wr0, wr0, wr10          \n\t"
426         WAVG2B" wr1, wr1, wr11          \n\t"
427         WAVG2B" wr2, wr2, wr12          \n\t"
428         WAVG2B" wr3, wr3, wr13          \n\t"
429         "wstrd wr0, [%[block]]          \n\t"
430         "subs %[h], %[h], #2            \n\t"
431         "wstrd wr1, [%[block], #8]      \n\t"
432         "add %[block], %[block], %[line_size]   \n\t"
433         "wstrd wr2, [r5]                \n\t"
434         "pld [%[block]]                 \n\t"
435         "wstrd wr3, [r5, #8]            \n\t"
436         "add r5, r5, %[line_size]       \n\t"
437         "pld [%[block], #32]            \n\t"
438         "pld [r5]                       \n\t"
439         "pld [r5, #32]                  \n\t"
440         "bne 1b                         \n\t"
441         : [h]"+r"(h), [pixels]"+r"(pixels), [block]"+r"(block), [line_size]"+r"(stride)
442         :
443         :"r4", "r5", "r12", "memory");
444 }
445 
DEF(avg,pixels8_y2)446 void DEF(avg, pixels8_y2)(uint8_t *block, const uint8_t *pixels, const int line_size, int h)
447 {
448     int stride = line_size;
449     // [wr0 wr1 wr2 wr3] for previous line
450     // [wr4 wr5 wr6 wr7] for current line
451     asm volatile(
452         "pld            [%[pixels]]                             \n\t"
453         "pld            [%[pixels], #32]                        \n\t"
454         "and            r12, %[pixels], #7                      \n\t"
455         "tmcr           wcgr1, r12                              \n\t"
456         "bic            %[pixels], %[pixels], #7                \n\t"
457 
458         "wldrd          wr10, [%[pixels]]                       \n\t"
459         "wldrd          wr11, [%[pixels], #8]                   \n\t"
460         "pld            [%[block]]                              \n\t"
461         "add            %[pixels], %[pixels], %[line_size]      \n\t"
462         "walignr1       wr0, wr10, wr11                         \n\t"
463         "pld            [%[pixels]]                             \n\t"
464         "pld            [%[pixels], #32]                        \n\t"
465 
466       "1:                                                       \n\t"
467         "wldrd          wr10, [%[pixels]]                       \n\t"
468         "wldrd          wr11, [%[pixels], #8]                   \n\t"
469         "add            %[pixels], %[pixels], %[line_size]      \n\t"
470         "pld            [%[pixels]]                             \n\t"
471         "pld            [%[pixels], #32]                        \n\t"
472         "walignr1       wr4, wr10, wr11                         \n\t"
473         "wldrd          wr10, [%[block]]                        \n\t"
474          WAVG2B"        wr8, wr0, wr4                           \n\t"
475          WAVG2B"        wr8, wr8, wr10                          \n\t"
476         "wstrd          wr8, [%[block]]                         \n\t"
477         "add            %[block], %[block], %[line_size]        \n\t"
478 
479         "wldrd          wr10, [%[pixels]]                       \n\t"
480         "wldrd          wr11, [%[pixels], #8]                   \n\t"
481         "pld            [%[block]]                              \n\t"
482         "add            %[pixels], %[pixels], %[line_size]      \n\t"
483         "pld            [%[pixels]]                             \n\t"
484         "pld            [%[pixels], #32]                        \n\t"
485         "walignr1       wr0, wr10, wr11                         \n\t"
486         "wldrd          wr10, [%[block]]                        \n\t"
487          WAVG2B"        wr8, wr0, wr4                           \n\t"
488          WAVG2B"        wr8, wr8, wr10                          \n\t"
489         "wstrd          wr8, [%[block]]                         \n\t"
490         "add            %[block], %[block], %[line_size]        \n\t"
491 
492         "subs           %[h], %[h], #2                          \n\t"
493         "pld            [%[block]]                              \n\t"
494         "bne            1b                                      \n\t"
495         : [h]"+r"(h), [pixels]"+r"(pixels), [block]"+r"(block), [line_size]"+r"(stride)
496         :
497         : "cc", "memory", "r12");
498 }
499 
DEF(put,pixels16_y2)500 void DEF(put, pixels16_y2)(uint8_t *block, const uint8_t *pixels, const int line_size, int h)
501 {
502     int stride = line_size;
503     // [wr0 wr1 wr2 wr3] for previous line
504     // [wr4 wr5 wr6 wr7] for current line
505     asm volatile(
506         "pld [%[pixels]]                \n\t"
507         "pld [%[pixels], #32]           \n\t"
508         "and r12, %[pixels], #7         \n\t"
509         "tmcr wcgr1, r12                \n\t"
510         "bic %[pixels], %[pixels], #7   \n\t"
511 
512         "wldrd wr10, [%[pixels]]        \n\t"
513         "wldrd wr11, [%[pixels], #8]    \n\t"
514         "wldrd wr12, [%[pixels], #16]   \n\t"
515         "add %[pixels], %[pixels], %[line_size] \n\t"
516         "pld [%[pixels]]                \n\t"
517         "pld [%[pixels], #32]           \n\t"
518         "walignr1 wr0, wr10, wr11       \n\t"
519         "walignr1 wr1, wr11, wr12       \n\t"
520 
521         "1:                             \n\t"
522         "wldrd wr10, [%[pixels]]        \n\t"
523         "wldrd wr11, [%[pixels], #8]    \n\t"
524         "wldrd wr12, [%[pixels], #16]   \n\t"
525         "add %[pixels], %[pixels], %[line_size] \n\t"
526         "pld [%[pixels]]                \n\t"
527         "pld [%[pixels], #32]           \n\t"
528         "walignr1 wr4, wr10, wr11       \n\t"
529         "walignr1 wr5, wr11, wr12       \n\t"
530         WAVG2B" wr8, wr0, wr4           \n\t"
531         WAVG2B" wr9, wr1, wr5           \n\t"
532         "wstrd wr8, [%[block]]          \n\t"
533         "wstrd wr9, [%[block], #8]      \n\t"
534         "add %[block], %[block], %[line_size]   \n\t"
535 
536         "wldrd wr10, [%[pixels]]        \n\t"
537         "wldrd wr11, [%[pixels], #8]    \n\t"
538         "wldrd wr12, [%[pixels], #16]   \n\t"
539         "add %[pixels], %[pixels], %[line_size] \n\t"
540         "pld [%[pixels]]                \n\t"
541         "pld [%[pixels], #32]           \n\t"
542         "walignr1 wr0, wr10, wr11       \n\t"
543         "walignr1 wr1, wr11, wr12       \n\t"
544         WAVG2B" wr8, wr0, wr4           \n\t"
545         WAVG2B" wr9, wr1, wr5           \n\t"
546         "wstrd wr8, [%[block]]          \n\t"
547         "wstrd wr9, [%[block], #8]      \n\t"
548         "add %[block], %[block], %[line_size]   \n\t"
549 
550         "subs %[h], %[h], #2            \n\t"
551         "bne 1b                         \n\t"
552         : [h]"+r"(h), [pixels]"+r"(pixels), [block]"+r"(block), [line_size]"+r"(stride)
553         :
554         : "r4", "r5", "r12", "memory");
555 }
556 
DEF(avg,pixels16_y2)557 void DEF(avg, pixels16_y2)(uint8_t *block, const uint8_t *pixels, const int line_size, int h)
558 {
559     int stride = line_size;
560     // [wr0 wr1 wr2 wr3] for previous line
561     // [wr4 wr5 wr6 wr7] for current line
562     asm volatile(
563         "pld [%[pixels]]                \n\t"
564         "pld [%[pixels], #32]           \n\t"
565         "and r12, %[pixels], #7         \n\t"
566         "tmcr wcgr1, r12                \n\t"
567         "bic %[pixels], %[pixels], #7   \n\t"
568 
569         "wldrd wr10, [%[pixels]]        \n\t"
570         "wldrd wr11, [%[pixels], #8]    \n\t"
571         "pld [%[block]]                 \n\t"
572         "wldrd wr12, [%[pixels], #16]   \n\t"
573         "add %[pixels], %[pixels], %[line_size] \n\t"
574         "pld [%[pixels]]                \n\t"
575         "pld [%[pixels], #32]           \n\t"
576         "walignr1 wr0, wr10, wr11       \n\t"
577         "walignr1 wr1, wr11, wr12       \n\t"
578 
579         "1:                             \n\t"
580         "wldrd wr10, [%[pixels]]        \n\t"
581         "wldrd wr11, [%[pixels], #8]    \n\t"
582         "wldrd wr12, [%[pixels], #16]   \n\t"
583         "add %[pixels], %[pixels], %[line_size] \n\t"
584         "pld [%[pixels]]                \n\t"
585         "pld [%[pixels], #32]           \n\t"
586         "walignr1 wr4, wr10, wr11       \n\t"
587         "walignr1 wr5, wr11, wr12       \n\t"
588         "wldrd wr10, [%[block]]         \n\t"
589         "wldrd wr11, [%[block], #8]     \n\t"
590         WAVG2B" wr8, wr0, wr4           \n\t"
591         WAVG2B" wr9, wr1, wr5           \n\t"
592         WAVG2B" wr8, wr8, wr10          \n\t"
593         WAVG2B" wr9, wr9, wr11          \n\t"
594         "wstrd wr8, [%[block]]          \n\t"
595         "wstrd wr9, [%[block], #8]      \n\t"
596         "add %[block], %[block], %[line_size]   \n\t"
597 
598         "wldrd wr10, [%[pixels]]        \n\t"
599         "wldrd wr11, [%[pixels], #8]    \n\t"
600         "pld [%[block]]                 \n\t"
601         "wldrd wr12, [%[pixels], #16]   \n\t"
602         "add %[pixels], %[pixels], %[line_size] \n\t"
603         "pld [%[pixels]]                \n\t"
604         "pld [%[pixels], #32]           \n\t"
605         "walignr1 wr0, wr10, wr11       \n\t"
606         "walignr1 wr1, wr11, wr12       \n\t"
607         "wldrd wr10, [%[block]]         \n\t"
608         "wldrd wr11, [%[block], #8]     \n\t"
609         WAVG2B" wr8, wr0, wr4           \n\t"
610         WAVG2B" wr9, wr1, wr5           \n\t"
611         WAVG2B" wr8, wr8, wr10          \n\t"
612         WAVG2B" wr9, wr9, wr11          \n\t"
613         "wstrd wr8, [%[block]]          \n\t"
614         "wstrd wr9, [%[block], #8]      \n\t"
615         "add %[block], %[block], %[line_size]   \n\t"
616 
617         "subs %[h], %[h], #2            \n\t"
618         "pld [%[block]]                 \n\t"
619         "bne 1b                         \n\t"
620         : [h]"+r"(h), [pixels]"+r"(pixels), [block]"+r"(block), [line_size]"+r"(stride)
621         :
622         : "r4", "r5", "r12", "memory");
623 }
624 
DEF(put,pixels8_xy2)625 void DEF(put, pixels8_xy2)(uint8_t *block, const uint8_t *pixels, const int line_size, int h)
626 {
627     // [wr0 wr1 wr2 wr3] for previous line
628     // [wr4 wr5 wr6 wr7] for current line
629     SET_RND(wr15); // =2 for rnd  and  =1 for no_rnd version
630     asm volatile(
631         "pld [%[pixels]]                \n\t"
632         "mov r12, #2                    \n\t"
633         "pld [%[pixels], #32]           \n\t"
634         "tmcr wcgr0, r12                \n\t" /* for shift value */
635         "and r12, %[pixels], #7         \n\t"
636         "bic %[pixels], %[pixels], #7   \n\t"
637         "tmcr wcgr1, r12                \n\t"
638 
639         // [wr0 wr1 wr2 wr3] <= *
640         // [wr4 wr5 wr6 wr7]
641         "wldrd wr12, [%[pixels]]        \n\t"
642         "add r12, r12, #1               \n\t"
643         "wldrd wr13, [%[pixels], #8]    \n\t"
644         "tmcr wcgr2, r12                \n\t"
645         "add %[pixels], %[pixels], %[line_size] \n\t"
646         "cmp r12, #8                    \n\t"
647         "pld [%[pixels]]                \n\t"
648         "pld [%[pixels], #32]           \n\t"
649         "walignr1 wr2, wr12, wr13       \n\t"
650         "wmoveq wr10, wr13              \n\t"
651         "walignr2ne wr10, wr12, wr13    \n\t"
652         "wunpckelub wr0, wr2            \n\t"
653         "wunpckehub wr1, wr2            \n\t"
654         "wunpckelub wr8, wr10           \n\t"
655         "wunpckehub wr9, wr10           \n\t"
656         "waddhus wr0, wr0, wr8          \n\t"
657         "waddhus wr1, wr1, wr9          \n\t"
658 
659         "1:                             \n\t"
660         // [wr0 wr1 wr2 wr3]
661         // [wr4 wr5 wr6 wr7] <= *
662         "wldrd wr12, [%[pixels]]        \n\t"
663         "cmp r12, #8                    \n\t"
664         "wldrd wr13, [%[pixels], #8]    \n\t"
665         "add %[pixels], %[pixels], %[line_size] \n\t"
666         "walignr1 wr6, wr12, wr13       \n\t"
667         "pld [%[pixels]]                \n\t"
668         "pld [%[pixels], #32]           \n\t"
669         "wmoveq wr10, wr13              \n\t"
670         "walignr2ne wr10, wr12, wr13    \n\t"
671         "wunpckelub wr4, wr6            \n\t"
672         "wunpckehub wr5, wr6            \n\t"
673         "wunpckelub wr8, wr10           \n\t"
674         "wunpckehub wr9, wr10           \n\t"
675         "waddhus wr4, wr4, wr8          \n\t"
676         "waddhus wr5, wr5, wr9          \n\t"
677         "waddhus wr8, wr0, wr4          \n\t"
678         "waddhus wr9, wr1, wr5          \n\t"
679         "waddhus wr8, wr8, wr15         \n\t"
680         "waddhus wr9, wr9, wr15         \n\t"
681         "wsrlhg wr8, wr8, wcgr0         \n\t"
682         "wsrlhg wr9, wr9, wcgr0         \n\t"
683         "wpackhus wr8, wr8, wr9         \n\t"
684         "wstrd wr8, [%[block]]          \n\t"
685         "add %[block], %[block], %[line_size]   \n\t"
686 
687         // [wr0 wr1 wr2 wr3] <= *
688         // [wr4 wr5 wr6 wr7]
689         "wldrd wr12, [%[pixels]]        \n\t"
690         "wldrd wr13, [%[pixels], #8]    \n\t"
691         "add %[pixels], %[pixels], %[line_size] \n\t"
692         "walignr1 wr2, wr12, wr13       \n\t"
693         "pld [%[pixels]]                \n\t"
694         "pld [%[pixels], #32]           \n\t"
695         "wmoveq wr10, wr13              \n\t"
696         "walignr2ne wr10, wr12, wr13    \n\t"
697         "wunpckelub wr0, wr2            \n\t"
698         "wunpckehub wr1, wr2            \n\t"
699         "wunpckelub wr8, wr10           \n\t"
700         "wunpckehub wr9, wr10           \n\t"
701         "waddhus wr0, wr0, wr8          \n\t"
702         "waddhus wr1, wr1, wr9          \n\t"
703         "waddhus wr8, wr0, wr4          \n\t"
704         "waddhus wr9, wr1, wr5          \n\t"
705         "waddhus wr8, wr8, wr15         \n\t"
706         "waddhus wr9, wr9, wr15         \n\t"
707         "wsrlhg wr8, wr8, wcgr0         \n\t"
708         "wsrlhg wr9, wr9, wcgr0         \n\t"
709         "wpackhus wr8, wr8, wr9         \n\t"
710         "subs %[h], %[h], #2            \n\t"
711         "wstrd wr8, [%[block]]          \n\t"
712         "add %[block], %[block], %[line_size]   \n\t"
713         "bne 1b                         \n\t"
714         : [h]"+r"(h), [pixels]"+r"(pixels), [block]"+r"(block)
715         : [line_size]"r"(line_size)
716         : "r12", "memory");
717 }
718 
DEF(put,pixels16_xy2)719 void DEF(put, pixels16_xy2)(uint8_t *block, const uint8_t *pixels, const int line_size, int h)
720 {
721     // [wr0 wr1 wr2 wr3] for previous line
722     // [wr4 wr5 wr6 wr7] for current line
723     SET_RND(wr15); // =2 for rnd  and  =1 for no_rnd version
724     asm volatile(
725         "pld [%[pixels]]                \n\t"
726         "mov r12, #2                    \n\t"
727         "pld [%[pixels], #32]           \n\t"
728         "tmcr wcgr0, r12                \n\t" /* for shift value */
729         /* alignment */
730         "and r12, %[pixels], #7         \n\t"
731         "bic %[pixels], %[pixels], #7   \n\t"
732         "tmcr wcgr1, r12                \n\t"
733         "add r12, r12, #1               \n\t"
734         "tmcr wcgr2, r12                \n\t"
735 
736         // [wr0 wr1 wr2 wr3] <= *
737         // [wr4 wr5 wr6 wr7]
738         "wldrd wr12, [%[pixels]]        \n\t"
739         "cmp r12, #8                    \n\t"
740         "wldrd wr13, [%[pixels], #8]    \n\t"
741         "wldrd wr14, [%[pixels], #16]   \n\t"
742         "add %[pixels], %[pixels], %[line_size] \n\t"
743         "pld [%[pixels]]                \n\t"
744         "walignr1 wr2, wr12, wr13       \n\t"
745         "pld [%[pixels], #32]           \n\t"
746         "walignr1 wr3, wr13, wr14       \n\t"
747         "wmoveq wr10, wr13              \n\t"
748         "wmoveq wr11, wr14              \n\t"
749         "walignr2ne wr10, wr12, wr13    \n\t"
750         "walignr2ne wr11, wr13, wr14    \n\t"
751         "wunpckelub wr0, wr2            \n\t"
752         "wunpckehub wr1, wr2            \n\t"
753         "wunpckelub wr2, wr3            \n\t"
754         "wunpckehub wr3, wr3            \n\t"
755         "wunpckelub wr8, wr10           \n\t"
756         "wunpckehub wr9, wr10           \n\t"
757         "wunpckelub wr10, wr11          \n\t"
758         "wunpckehub wr11, wr11          \n\t"
759         "waddhus wr0, wr0, wr8          \n\t"
760         "waddhus wr1, wr1, wr9          \n\t"
761         "waddhus wr2, wr2, wr10         \n\t"
762         "waddhus wr3, wr3, wr11         \n\t"
763 
764         "1:                             \n\t"
765         // [wr0 wr1 wr2 wr3]
766         // [wr4 wr5 wr6 wr7] <= *
767         "wldrd wr12, [%[pixels]]        \n\t"
768         "cmp r12, #8                    \n\t"
769         "wldrd wr13, [%[pixels], #8]    \n\t"
770         "wldrd wr14, [%[pixels], #16]   \n\t"
771         "add %[pixels], %[pixels], %[line_size] \n\t"
772         "walignr1 wr6, wr12, wr13       \n\t"
773         "pld [%[pixels]]                \n\t"
774         "pld [%[pixels], #32]           \n\t"
775         "walignr1 wr7, wr13, wr14       \n\t"
776         "wmoveq wr10, wr13              \n\t"
777         "wmoveq wr11, wr14              \n\t"
778         "walignr2ne wr10, wr12, wr13    \n\t"
779         "walignr2ne wr11, wr13, wr14    \n\t"
780         "wunpckelub wr4, wr6            \n\t"
781         "wunpckehub wr5, wr6            \n\t"
782         "wunpckelub wr6, wr7            \n\t"
783         "wunpckehub wr7, wr7            \n\t"
784         "wunpckelub wr8, wr10           \n\t"
785         "wunpckehub wr9, wr10           \n\t"
786         "wunpckelub wr10, wr11          \n\t"
787         "wunpckehub wr11, wr11          \n\t"
788         "waddhus wr4, wr4, wr8          \n\t"
789         "waddhus wr5, wr5, wr9          \n\t"
790         "waddhus wr6, wr6, wr10         \n\t"
791         "waddhus wr7, wr7, wr11         \n\t"
792         "waddhus wr8, wr0, wr4          \n\t"
793         "waddhus wr9, wr1, wr5          \n\t"
794         "waddhus wr10, wr2, wr6         \n\t"
795         "waddhus wr11, wr3, wr7         \n\t"
796         "waddhus wr8, wr8, wr15         \n\t"
797         "waddhus wr9, wr9, wr15         \n\t"
798         "waddhus wr10, wr10, wr15       \n\t"
799         "waddhus wr11, wr11, wr15       \n\t"
800         "wsrlhg wr8, wr8, wcgr0         \n\t"
801         "wsrlhg wr9, wr9, wcgr0         \n\t"
802         "wsrlhg wr10, wr10, wcgr0       \n\t"
803         "wsrlhg wr11, wr11, wcgr0       \n\t"
804         "wpackhus wr8, wr8, wr9         \n\t"
805         "wpackhus wr9, wr10, wr11       \n\t"
806         "wstrd wr8, [%[block]]          \n\t"
807         "wstrd wr9, [%[block], #8]      \n\t"
808         "add %[block], %[block], %[line_size]   \n\t"
809 
810         // [wr0 wr1 wr2 wr3] <= *
811         // [wr4 wr5 wr6 wr7]
812         "wldrd wr12, [%[pixels]]        \n\t"
813         "wldrd wr13, [%[pixels], #8]    \n\t"
814         "wldrd wr14, [%[pixels], #16]   \n\t"
815         "add %[pixels], %[pixels], %[line_size] \n\t"
816         "walignr1 wr2, wr12, wr13       \n\t"
817         "pld [%[pixels]]                \n\t"
818         "pld [%[pixels], #32]           \n\t"
819         "walignr1 wr3, wr13, wr14       \n\t"
820         "wmoveq wr10, wr13              \n\t"
821         "wmoveq wr11, wr14              \n\t"
822         "walignr2ne wr10, wr12, wr13    \n\t"
823         "walignr2ne wr11, wr13, wr14    \n\t"
824         "wunpckelub wr0, wr2            \n\t"
825         "wunpckehub wr1, wr2            \n\t"
826         "wunpckelub wr2, wr3            \n\t"
827         "wunpckehub wr3, wr3            \n\t"
828         "wunpckelub wr8, wr10           \n\t"
829         "wunpckehub wr9, wr10           \n\t"
830         "wunpckelub wr10, wr11          \n\t"
831         "wunpckehub wr11, wr11          \n\t"
832         "waddhus wr0, wr0, wr8          \n\t"
833         "waddhus wr1, wr1, wr9          \n\t"
834         "waddhus wr2, wr2, wr10         \n\t"
835         "waddhus wr3, wr3, wr11         \n\t"
836         "waddhus wr8, wr0, wr4          \n\t"
837         "waddhus wr9, wr1, wr5          \n\t"
838         "waddhus wr10, wr2, wr6         \n\t"
839         "waddhus wr11, wr3, wr7         \n\t"
840         "waddhus wr8, wr8, wr15         \n\t"
841         "waddhus wr9, wr9, wr15         \n\t"
842         "waddhus wr10, wr10, wr15       \n\t"
843         "waddhus wr11, wr11, wr15       \n\t"
844         "wsrlhg wr8, wr8, wcgr0         \n\t"
845         "wsrlhg wr9, wr9, wcgr0         \n\t"
846         "wsrlhg wr10, wr10, wcgr0       \n\t"
847         "wsrlhg wr11, wr11, wcgr0       \n\t"
848         "wpackhus wr8, wr8, wr9         \n\t"
849         "wpackhus wr9, wr10, wr11       \n\t"
850         "wstrd wr8, [%[block]]          \n\t"
851         "wstrd wr9, [%[block], #8]      \n\t"
852         "add %[block], %[block], %[line_size]   \n\t"
853 
854         "subs %[h], %[h], #2            \n\t"
855         "bne 1b                         \n\t"
856         : [h]"+r"(h), [pixels]"+r"(pixels), [block]"+r"(block)
857         : [line_size]"r"(line_size)
858         : "r12", "memory");
859 }
860 
DEF(avg,pixels8_xy2)861 void DEF(avg, pixels8_xy2)(uint8_t *block, const uint8_t *pixels, const int line_size, int h)
862 {
863     // [wr0 wr1 wr2 wr3] for previous line
864     // [wr4 wr5 wr6 wr7] for current line
865     SET_RND(wr15); // =2 for rnd  and  =1 for no_rnd version
866     asm volatile(
867         "pld [%[block]]                 \n\t"
868         "pld [%[block], #32]            \n\t"
869         "pld [%[pixels]]                \n\t"
870         "mov r12, #2                    \n\t"
871         "pld [%[pixels], #32]           \n\t"
872         "tmcr wcgr0, r12                \n\t" /* for shift value */
873         "and r12, %[pixels], #7         \n\t"
874         "bic %[pixels], %[pixels], #7   \n\t"
875         "tmcr wcgr1, r12                \n\t"
876 
877         // [wr0 wr1 wr2 wr3] <= *
878         // [wr4 wr5 wr6 wr7]
879         "wldrd wr12, [%[pixels]]        \n\t"
880         "add r12, r12, #1               \n\t"
881         "wldrd wr13, [%[pixels], #8]    \n\t"
882         "tmcr wcgr2, r12                \n\t"
883         "add %[pixels], %[pixels], %[line_size] \n\t"
884         "cmp r12, #8                    \n\t"
885         "pld [%[pixels]]                \n\t"
886         "pld [%[pixels], #32]           \n\t"
887         "walignr1 wr2, wr12, wr13       \n\t"
888         "wmoveq wr10, wr13              \n\t"
889         "walignr2ne wr10, wr12, wr13    \n\t"
890         "wunpckelub wr0, wr2            \n\t"
891         "wunpckehub wr1, wr2            \n\t"
892         "wunpckelub wr8, wr10           \n\t"
893         "wunpckehub wr9, wr10           \n\t"
894         "waddhus wr0, wr0, wr8          \n\t"
895         "waddhus wr1, wr1, wr9          \n\t"
896 
897         "1:                             \n\t"
898         // [wr0 wr1 wr2 wr3]
899         // [wr4 wr5 wr6 wr7] <= *
900         "wldrd wr12, [%[pixels]]        \n\t"
901         "cmp r12, #8                    \n\t"
902         "wldrd wr13, [%[pixels], #8]    \n\t"
903         "add %[pixels], %[pixels], %[line_size] \n\t"
904         "walignr1 wr6, wr12, wr13       \n\t"
905         "pld [%[pixels]]                \n\t"
906         "pld [%[pixels], #32]           \n\t"
907         "wmoveq wr10, wr13              \n\t"
908         "walignr2ne wr10, wr12, wr13    \n\t"
909         "wunpckelub wr4, wr6            \n\t"
910         "wunpckehub wr5, wr6            \n\t"
911         "wunpckelub wr8, wr10           \n\t"
912         "wunpckehub wr9, wr10           \n\t"
913         "waddhus wr4, wr4, wr8          \n\t"
914         "waddhus wr5, wr5, wr9          \n\t"
915         "waddhus wr8, wr0, wr4          \n\t"
916         "waddhus wr9, wr1, wr5          \n\t"
917         "waddhus wr8, wr8, wr15         \n\t"
918         "waddhus wr9, wr9, wr15         \n\t"
919         "wldrd wr12, [%[block]]         \n\t"
920         "wsrlhg wr8, wr8, wcgr0         \n\t"
921         "wsrlhg wr9, wr9, wcgr0         \n\t"
922         "wpackhus wr8, wr8, wr9         \n\t"
923         WAVG2B" wr8, wr8, wr12          \n\t"
924         "wstrd wr8, [%[block]]          \n\t"
925         "add %[block], %[block], %[line_size]   \n\t"
926         "wldrd wr12, [%[pixels]]        \n\t"
927         "pld [%[block]]                 \n\t"
928         "pld [%[block], #32]            \n\t"
929 
930         // [wr0 wr1 wr2 wr3] <= *
931         // [wr4 wr5 wr6 wr7]
932         "wldrd wr13, [%[pixels], #8]    \n\t"
933         "add %[pixels], %[pixels], %[line_size] \n\t"
934         "walignr1 wr2, wr12, wr13       \n\t"
935         "pld [%[pixels]]                \n\t"
936         "pld [%[pixels], #32]           \n\t"
937         "wmoveq wr10, wr13              \n\t"
938         "walignr2ne wr10, wr12, wr13    \n\t"
939         "wunpckelub wr0, wr2            \n\t"
940         "wunpckehub wr1, wr2            \n\t"
941         "wunpckelub wr8, wr10           \n\t"
942         "wunpckehub wr9, wr10           \n\t"
943         "waddhus wr0, wr0, wr8          \n\t"
944         "waddhus wr1, wr1, wr9          \n\t"
945         "waddhus wr8, wr0, wr4          \n\t"
946         "waddhus wr9, wr1, wr5          \n\t"
947         "waddhus wr8, wr8, wr15         \n\t"
948         "waddhus wr9, wr9, wr15         \n\t"
949         "wldrd wr12, [%[block]]         \n\t"
950         "wsrlhg wr8, wr8, wcgr0         \n\t"
951         "wsrlhg wr9, wr9, wcgr0         \n\t"
952         "wpackhus wr8, wr8, wr9         \n\t"
953         "subs %[h], %[h], #2            \n\t"
954         WAVG2B" wr8, wr8, wr12          \n\t"
955         "wstrd wr8, [%[block]]          \n\t"
956         "add %[block], %[block], %[line_size]   \n\t"
957         "pld [%[block]]                 \n\t"
958         "pld [%[block], #32]            \n\t"
959         "bne 1b                         \n\t"
960         : [h]"+r"(h), [pixels]"+r"(pixels), [block]"+r"(block)
961         : [line_size]"r"(line_size)
962         : "r12", "memory");
963 }
964 
DEF(avg,pixels16_xy2)965 void DEF(avg, pixels16_xy2)(uint8_t *block, const uint8_t *pixels, const int line_size, int h)
966 {
967     // [wr0 wr1 wr2 wr3] for previous line
968     // [wr4 wr5 wr6 wr7] for current line
969     SET_RND(wr15); // =2 for rnd  and  =1 for no_rnd version
970     asm volatile(
971         "pld [%[block]]                 \n\t"
972         "pld [%[block], #32]            \n\t"
973         "pld [%[pixels]]                \n\t"
974         "mov r12, #2                    \n\t"
975         "pld [%[pixels], #32]           \n\t"
976         "tmcr wcgr0, r12                \n\t" /* for shift value */
977         /* alignment */
978         "and r12, %[pixels], #7         \n\t"
979         "bic %[pixels], %[pixels], #7           \n\t"
980         "tmcr wcgr1, r12                \n\t"
981         "add r12, r12, #1               \n\t"
982         "tmcr wcgr2, r12                \n\t"
983 
984         // [wr0 wr1 wr2 wr3] <= *
985         // [wr4 wr5 wr6 wr7]
986         "wldrd wr12, [%[pixels]]        \n\t"
987         "cmp r12, #8                    \n\t"
988         "wldrd wr13, [%[pixels], #8]    \n\t"
989         "wldrd wr14, [%[pixels], #16]   \n\t"
990         "add %[pixels], %[pixels], %[line_size] \n\t"
991         "pld [%[pixels]]                \n\t"
992         "walignr1 wr2, wr12, wr13       \n\t"
993         "pld [%[pixels], #32]           \n\t"
994         "walignr1 wr3, wr13, wr14       \n\t"
995         "wmoveq wr10, wr13              \n\t"
996         "wmoveq wr11, wr14              \n\t"
997         "walignr2ne wr10, wr12, wr13    \n\t"
998         "walignr2ne wr11, wr13, wr14    \n\t"
999         "wunpckelub wr0, wr2            \n\t"
1000         "wunpckehub wr1, wr2            \n\t"
1001         "wunpckelub wr2, wr3            \n\t"
1002         "wunpckehub wr3, wr3            \n\t"
1003         "wunpckelub wr8, wr10           \n\t"
1004         "wunpckehub wr9, wr10           \n\t"
1005         "wunpckelub wr10, wr11          \n\t"
1006         "wunpckehub wr11, wr11          \n\t"
1007         "waddhus wr0, wr0, wr8          \n\t"
1008         "waddhus wr1, wr1, wr9          \n\t"
1009         "waddhus wr2, wr2, wr10         \n\t"
1010         "waddhus wr3, wr3, wr11         \n\t"
1011 
1012         "1:                             \n\t"
1013         // [wr0 wr1 wr2 wr3]
1014         // [wr4 wr5 wr6 wr7] <= *
1015         "wldrd wr12, [%[pixels]]        \n\t"
1016         "cmp r12, #8                    \n\t"
1017         "wldrd wr13, [%[pixels], #8]    \n\t"
1018         "wldrd wr14, [%[pixels], #16]   \n\t"
1019         "add %[pixels], %[pixels], %[line_size] \n\t"
1020         "walignr1 wr6, wr12, wr13       \n\t"
1021         "pld [%[pixels]]                \n\t"
1022         "pld [%[pixels], #32]           \n\t"
1023         "walignr1 wr7, wr13, wr14       \n\t"
1024         "wmoveq wr10, wr13              \n\t"
1025         "wmoveq wr11, wr14              \n\t"
1026         "walignr2ne wr10, wr12, wr13    \n\t"
1027         "walignr2ne wr11, wr13, wr14    \n\t"
1028         "wunpckelub wr4, wr6            \n\t"
1029         "wunpckehub wr5, wr6            \n\t"
1030         "wunpckelub wr6, wr7            \n\t"
1031         "wunpckehub wr7, wr7            \n\t"
1032         "wunpckelub wr8, wr10           \n\t"
1033         "wunpckehub wr9, wr10           \n\t"
1034         "wunpckelub wr10, wr11          \n\t"
1035         "wunpckehub wr11, wr11          \n\t"
1036         "waddhus wr4, wr4, wr8          \n\t"
1037         "waddhus wr5, wr5, wr9          \n\t"
1038         "waddhus wr6, wr6, wr10         \n\t"
1039         "waddhus wr7, wr7, wr11         \n\t"
1040         "waddhus wr8, wr0, wr4          \n\t"
1041         "waddhus wr9, wr1, wr5          \n\t"
1042         "waddhus wr10, wr2, wr6         \n\t"
1043         "waddhus wr11, wr3, wr7         \n\t"
1044         "waddhus wr8, wr8, wr15         \n\t"
1045         "waddhus wr9, wr9, wr15         \n\t"
1046         "waddhus wr10, wr10, wr15       \n\t"
1047         "waddhus wr11, wr11, wr15       \n\t"
1048         "wsrlhg wr8, wr8, wcgr0         \n\t"
1049         "wsrlhg wr9, wr9, wcgr0         \n\t"
1050         "wldrd wr12, [%[block]]         \n\t"
1051         "wldrd wr13, [%[block], #8]     \n\t"
1052         "wsrlhg wr10, wr10, wcgr0       \n\t"
1053         "wsrlhg wr11, wr11, wcgr0       \n\t"
1054         "wpackhus wr8, wr8, wr9         \n\t"
1055         "wpackhus wr9, wr10, wr11       \n\t"
1056         WAVG2B" wr8, wr8, wr12          \n\t"
1057         WAVG2B" wr9, wr9, wr13          \n\t"
1058         "wstrd wr8, [%[block]]          \n\t"
1059         "wstrd wr9, [%[block], #8]      \n\t"
1060         "add %[block], %[block], %[line_size]   \n\t"
1061 
1062         // [wr0 wr1 wr2 wr3] <= *
1063         // [wr4 wr5 wr6 wr7]
1064         "wldrd wr12, [%[pixels]]        \n\t"
1065         "pld [%[block]]                 \n\t"
1066         "wldrd wr13, [%[pixels], #8]    \n\t"
1067         "pld [%[block], #32]            \n\t"
1068         "wldrd wr14, [%[pixels], #16]   \n\t"
1069         "add %[pixels], %[pixels], %[line_size] \n\t"
1070         "walignr1 wr2, wr12, wr13       \n\t"
1071         "pld [%[pixels]]                \n\t"
1072         "pld [%[pixels], #32]           \n\t"
1073         "walignr1 wr3, wr13, wr14       \n\t"
1074         "wmoveq wr10, wr13              \n\t"
1075         "wmoveq wr11, wr14              \n\t"
1076         "walignr2ne wr10, wr12, wr13    \n\t"
1077         "walignr2ne wr11, wr13, wr14    \n\t"
1078         "wunpckelub wr0, wr2            \n\t"
1079         "wunpckehub wr1, wr2            \n\t"
1080         "wunpckelub wr2, wr3            \n\t"
1081         "wunpckehub wr3, wr3            \n\t"
1082         "wunpckelub wr8, wr10           \n\t"
1083         "wunpckehub wr9, wr10           \n\t"
1084         "wunpckelub wr10, wr11          \n\t"
1085         "wunpckehub wr11, wr11          \n\t"
1086         "waddhus wr0, wr0, wr8          \n\t"
1087         "waddhus wr1, wr1, wr9          \n\t"
1088         "waddhus wr2, wr2, wr10         \n\t"
1089         "waddhus wr3, wr3, wr11         \n\t"
1090         "waddhus wr8, wr0, wr4          \n\t"
1091         "waddhus wr9, wr1, wr5          \n\t"
1092         "waddhus wr10, wr2, wr6         \n\t"
1093         "waddhus wr11, wr3, wr7         \n\t"
1094         "waddhus wr8, wr8, wr15         \n\t"
1095         "waddhus wr9, wr9, wr15         \n\t"
1096         "waddhus wr10, wr10, wr15       \n\t"
1097         "waddhus wr11, wr11, wr15       \n\t"
1098         "wsrlhg wr8, wr8, wcgr0         \n\t"
1099         "wsrlhg wr9, wr9, wcgr0         \n\t"
1100         "wldrd wr12, [%[block]]         \n\t"
1101         "wldrd wr13, [%[block], #8]     \n\t"
1102         "wsrlhg wr10, wr10, wcgr0       \n\t"
1103         "wsrlhg wr11, wr11, wcgr0       \n\t"
1104         "wpackhus wr8, wr8, wr9         \n\t"
1105         "wpackhus wr9, wr10, wr11       \n\t"
1106         WAVG2B" wr8, wr8, wr12          \n\t"
1107         WAVG2B" wr9, wr9, wr13          \n\t"
1108         "wstrd wr8, [%[block]]          \n\t"
1109         "wstrd wr9, [%[block], #8]      \n\t"
1110         "add %[block], %[block], %[line_size]   \n\t"
1111         "subs %[h], %[h], #2            \n\t"
1112         "pld [%[block]]                 \n\t"
1113         "pld [%[block], #32]            \n\t"
1114         "bne 1b                         \n\t"
1115         : [h]"+r"(h), [pixels]"+r"(pixels), [block]"+r"(block)
1116         : [line_size]"r"(line_size)
1117         : "r12", "memory");
1118 }
1119