1 /*
2 * Copyright (c) 2021 Arm Limited.
3 *
4 * SPDX-License-Identifier: MIT
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22 * IN THE SOFTWARE.
23 */
24
25 #pragma once
26
27 #ifdef __aarch64__
28
29 namespace {
30
a64_transpose_interleave_32_1x4(uint8_t * out,const uint8_t * in,size_t width,size_t in_stride,size_t height)31 void a64_transpose_interleave_32_1x4(uint8_t *out, const uint8_t *in, size_t width, size_t in_stride, size_t height)
32 {
33 uint8_t *pad_row = reinterpret_cast<uint8_t *>(alloca(width * sizeof(uint8_t)));
34
35 if (height % 4) {
36 memset(pad_row, 0, width * sizeof(uint8_t));
37 }
38
39 size_t out_stride = 32 * roundup<size_t>(height, 4) * sizeof(uint8_t);
40
41 __asm__ __volatile__(
42 "cmp %x[height], #0x10\n"
43 "blt 10f\n"
44 "1:" // Main row loop: Head
45 "mov x16, %x[in]\n"
46 "mov x15, %x[out]\n"
47 "add x14, x16, %x[in_stride]\n"
48 "add x13, x14, %x[in_stride]\n"
49 "add x12, x13, %x[in_stride]\n"
50 "add x11, x12, %x[in_stride]\n"
51 "add x10, x11, %x[in_stride]\n"
52 "add x9, x10, %x[in_stride]\n"
53 "add x28, x9, %x[in_stride]\n"
54 "add x27, x28, %x[in_stride]\n"
55 "add x26, x27, %x[in_stride]\n"
56 "add x25, x26, %x[in_stride]\n"
57 "add x24, x25, %x[in_stride]\n"
58 "add x23, x24, %x[in_stride]\n"
59 "add x22, x23, %x[in_stride]\n"
60 "add x21, x22, %x[in_stride]\n"
61 "add x20, x21, %x[in_stride]\n"
62 "add %x[in], x20, %x[in_stride]\n"
63 "sub %x[height], %x[height], #0x10\n"
64 "mov x19, %x[width]\n"
65 "cmp x19, #0x20\n"
66 "blt 3f\n"
67 "2:" // Main row loop: Column loop
68 "ldr q14, [x16], #0x10\n"
69 "sub x19, x19, #0x20\n"
70 "ldr q7, [x14], #0x10\n"
71 "cmp x19, #0x20\n"
72 "ldr q1, [x13], #0x10\n"
73 "zip1 v0.16b, v14.16b, v1.16b\n"
74 "ldr q2, [x16], #0x10\n"
75 "zip2 v1.16b, v14.16b, v1.16b\n"
76 "ldr q26, [x14], #0x10\n"
77 "ldr q19, [x13], #0x10\n"
78 "zip1 v20.16b, v2.16b, v19.16b\n"
79 "ldr q15, [x12], #0x10\n"
80 "zip2 v14.16b, v2.16b, v19.16b\n"
81 "ldr q30, [x11], #0x10\n"
82 "ldr q29, [x10], #0x10\n"
83 "zip1 v8.16b, v7.16b, v15.16b\n"
84 "ldr q31, [x12], #0x10\n"
85 "zip2 v22.16b, v7.16b, v15.16b\n"
86 "ldr q28, [x11], #0x10\n"
87 "zip1 v25.16b, v0.16b, v8.16b\n"
88 "ldr q23, [x10], #0x10\n"
89 "zip2 v10.16b, v0.16b, v8.16b\n"
90 "ldr q27, [x9], #0x10\n"
91 "zip1 v4.16b, v1.16b, v22.16b\n"
92 "ldr q0, [x28], #0x10\n"
93 "zip2 v5.16b, v1.16b, v22.16b\n"
94 "ldr q13, [x27], #0x10\n"
95 "zip1 v12.16b, v26.16b, v31.16b\n"
96 "ldr q17, [x26], #0x10\n"
97 "zip1 v24.16b, v20.16b, v12.16b\n"
98 "ldr q18, [x9], #0x10\n"
99 "zip2 v12.16b, v20.16b, v12.16b\n"
100 "ldr q6, [x28], #0x10\n"
101 "zip2 v16.16b, v26.16b, v31.16b\n"
102 "ldr q15, [x27], #0x10\n"
103 "zip1 v22.16b, v14.16b, v16.16b\n"
104 "ldr q1, [x26], #0x10\n"
105 "zip2 v9.16b, v14.16b, v16.16b\n"
106 "ldr q8, [x25], #0x10\n"
107 "zip1 v26.16b, v30.16b, v27.16b\n"
108 "ldr q19, [x24], #0x10\n"
109 "zip1 v16.16b, v29.16b, v0.16b\n"
110 "ldr q7, [x23], #0x10\n"
111 "zip1 v11.16b, v26.16b, v16.16b\n"
112 "ldr q14, [x22], #0x10\n"
113 "zip2 v20.16b, v26.16b, v16.16b\n"
114 "ldr q16, [x25], #0x10\n"
115 "zip2 v26.16b, v30.16b, v27.16b\n"
116 "ldr q31, [x24], #0x10\n"
117 "zip2 v21.16b, v29.16b, v0.16b\n"
118 "ldr q0, [x23], #0x10\n"
119 "zip1 v30.16b, v26.16b, v21.16b\n"
120 "ldr q29, [x22], #0x10\n"
121 "zip2 v27.16b, v26.16b, v21.16b\n"
122 "ldr q3, [x21], #0x10\n"
123 "zip1 v21.16b, v28.16b, v18.16b\n"
124 "ldr q2, [x20], #0x10\n"
125 "zip1 v26.16b, v23.16b, v6.16b\n"
126 "zip2 v18.16b, v28.16b, v18.16b\n"
127 "ldr q28, [x21], #0x10\n"
128 "zip2 v23.16b, v23.16b, v6.16b\n"
129 "zip1 v6.16b, v21.16b, v26.16b\n"
130 "zip2 v21.16b, v21.16b, v26.16b\n"
131 "ldr q26, [x20], #0x10\n"
132 "str q25, [x15, #0x0]\n"
133 "zip1 v25.16b, v18.16b, v23.16b\n"
134 "zip2 v23.16b, v18.16b, v23.16b\n"
135 "str q10, [x15, #0x10]\n"
136 "zip1 v18.16b, v13.16b, v8.16b\n"
137 "str q4, [x15, #0x20]\n"
138 "zip1 v10.16b, v17.16b, v19.16b\n"
139 "str q5, [x15, #0x30]\n"
140 "zip1 v5.16b, v18.16b, v10.16b\n"
141 "str q24, [x15, #0x40]\n"
142 "zip2 v24.16b, v18.16b, v10.16b\n"
143 "str q12, [x15, #0x50]\n"
144 "zip2 v18.16b, v13.16b, v8.16b\n"
145 "str q22, [x15, #0x60]\n"
146 "zip2 v17.16b, v17.16b, v19.16b\n"
147 "str q9, [x15, #0x70]\n"
148 "zip1 v9.16b, v18.16b, v17.16b\n"
149 "str q11, [x15, #0x80]\n"
150 "zip2 v12.16b, v18.16b, v17.16b\n"
151 "str q20, [x15, #0x90]\n"
152 "zip1 v20.16b, v15.16b, v16.16b\n"
153 "str q30, [x15, #0xa0]\n"
154 "zip1 v17.16b, v1.16b, v31.16b\n"
155 "str q27, [x15, #0xb0]\n"
156 "zip1 v19.16b, v20.16b, v17.16b\n"
157 "str q6, [x15, #0xc0]\n"
158 "zip2 v18.16b, v20.16b, v17.16b\n"
159 "str q21, [x15, #0xd0]\n"
160 "zip2 v17.16b, v15.16b, v16.16b\n"
161 "str q25, [x15, #0xe0]\n"
162 "zip2 v16.16b, v1.16b, v31.16b\n"
163 "str q23, [x15, #0xf0]\n"
164 "zip1 v22.16b, v17.16b, v16.16b\n"
165 "str q5, [x15, #0x100]\n"
166 "zip2 v21.16b, v17.16b, v16.16b\n"
167 "str q24, [x15, #0x110]\n"
168 "zip1 v17.16b, v7.16b, v3.16b\n"
169 "str q9, [x15, #0x120]\n"
170 "zip1 v16.16b, v14.16b, v2.16b\n"
171 "str q12, [x15, #0x130]\n"
172 "zip1 v20.16b, v17.16b, v16.16b\n"
173 "str q19, [x15, #0x140]\n"
174 "zip2 v19.16b, v17.16b, v16.16b\n"
175 "str q18, [x15, #0x150]\n"
176 "zip2 v18.16b, v7.16b, v3.16b\n"
177 "str q22, [x15, #0x160]\n"
178 "zip2 v16.16b, v14.16b, v2.16b\n"
179 "str q21, [x15, #0x170]\n"
180 "zip1 v17.16b, v18.16b, v16.16b\n"
181 "str q20, [x15, #0x180]\n"
182 "zip2 v16.16b, v18.16b, v16.16b\n"
183 "str q19, [x15, #0x190]\n"
184 "zip1 v18.16b, v0.16b, v28.16b\n"
185 "str q17, [x15, #0x1a0]\n"
186 "zip1 v17.16b, v29.16b, v26.16b\n"
187 "str q16, [x15, #0x1b0]\n"
188 "zip1 v16.16b, v18.16b, v17.16b\n"
189 "str q16, [x15, #0x1c0]\n"
190 "zip2 v16.16b, v18.16b, v17.16b\n"
191 "str q16, [x15, #0x1d0]\n"
192 "zip2 v18.16b, v0.16b, v28.16b\n"
193 "zip2 v17.16b, v29.16b, v26.16b\n"
194 "zip1 v16.16b, v18.16b, v17.16b\n"
195 "str q16, [x15, #0x1e0]\n"
196 "zip2 v16.16b, v18.16b, v17.16b\n"
197 "str q16, [x15, #0x1f0]\n"
198 "add x15, x15, %x[out_stride]\n"
199 "bge 2b\n"
200 "3:" // Main row loop: Column loop skip
201 "cmp x19, #0x10\n"
202 "blt 5f\n"
203 "4:" // Main row loop: width 16 loop: loop
204 "ldr q18, [x16], #0x10\n"
205 "sub x19, x19, #0x10\n"
206 "ldr q20, [x14], #0x10\n"
207 "cmp x19, #0x10\n"
208 "ldr q17, [x13], #0x10\n"
209 "zip1 v19.16b, v18.16b, v17.16b\n"
210 "ldr q16, [x12], #0x10\n"
211 "zip2 v18.16b, v18.16b, v17.16b\n"
212 "ldr q3, [x11], #0x10\n"
213 "ldr q2, [x10], #0x10\n"
214 "zip1 v17.16b, v20.16b, v16.16b\n"
215 "ldr q1, [x9], #0x10\n"
216 "zip2 v16.16b, v20.16b, v16.16b\n"
217 "ldr q0, [x28], #0x10\n"
218 "zip1 v31.16b, v19.16b, v17.16b\n"
219 "ldr q30, [x27], #0x10\n"
220 "zip2 v20.16b, v19.16b, v17.16b\n"
221 "ldr q29, [x26], #0x10\n"
222 "zip1 v19.16b, v18.16b, v16.16b\n"
223 "ldr q28, [x25], #0x10\n"
224 "zip2 v18.16b, v18.16b, v16.16b\n"
225 "ldr q27, [x24], #0x10\n"
226 "zip1 v17.16b, v3.16b, v1.16b\n"
227 "ldr q26, [x23], #0x10\n"
228 "zip1 v16.16b, v2.16b, v0.16b\n"
229 "ldr q25, [x22], #0x10\n"
230 "zip1 v24.16b, v17.16b, v16.16b\n"
231 "ldr q23, [x21], #0x10\n"
232 "zip2 v22.16b, v17.16b, v16.16b\n"
233 "ldr q21, [x20], #0x10\n"
234 "zip2 v17.16b, v3.16b, v1.16b\n"
235 "str q31, [x15, #0x0]\n"
236 "zip2 v16.16b, v2.16b, v0.16b\n"
237 "str q20, [x15, #0x10]\n"
238 "zip1 v20.16b, v17.16b, v16.16b\n"
239 "str q19, [x15, #0x20]\n"
240 "zip2 v19.16b, v17.16b, v16.16b\n"
241 "str q18, [x15, #0x30]\n"
242 "zip1 v18.16b, v30.16b, v28.16b\n"
243 "str q24, [x15, #0x80]\n"
244 "zip1 v16.16b, v29.16b, v27.16b\n"
245 "str q22, [x15, #0x90]\n"
246 "zip1 v17.16b, v18.16b, v16.16b\n"
247 "str q20, [x15, #0xa0]\n"
248 "zip2 v16.16b, v18.16b, v16.16b\n"
249 "str q19, [x15, #0xb0]\n"
250 "zip2 v18.16b, v30.16b, v28.16b\n"
251 "str q17, [x15, #0x100]\n"
252 "zip2 v17.16b, v29.16b, v27.16b\n"
253 "str q16, [x15, #0x110]\n"
254 "zip1 v16.16b, v18.16b, v17.16b\n"
255 "str q16, [x15, #0x120]\n"
256 "zip2 v16.16b, v18.16b, v17.16b\n"
257 "str q16, [x15, #0x130]\n"
258 "zip1 v18.16b, v26.16b, v23.16b\n"
259 "zip1 v17.16b, v25.16b, v21.16b\n"
260 "zip1 v16.16b, v18.16b, v17.16b\n"
261 "str q16, [x15, #0x180]\n"
262 "zip2 v16.16b, v18.16b, v17.16b\n"
263 "str q16, [x15, #0x190]\n"
264 "zip2 v18.16b, v26.16b, v23.16b\n"
265 "zip2 v17.16b, v25.16b, v21.16b\n"
266 "zip1 v16.16b, v18.16b, v17.16b\n"
267 "str q16, [x15, #0x1a0]\n"
268 "zip2 v16.16b, v18.16b, v17.16b\n"
269 "str q16, [x15, #0x1b0]\n"
270 "add x15, x15, #0x40\n"
271 "bge 4b\n"
272 "5:" // Main row loop: width 16 loop: skip
273 "cmp x19, #0x4\n"
274 "blt 7f\n"
275 "6:" // Main row loop: width 4 loop: loop
276 "ldr s18, [x16], #0x4\n"
277 "sub x19, x19, #0x4\n"
278 "ldr s17, [x14], #0x4\n"
279 "cmp x19, #0x4\n"
280 "ldr s16, [x13], #0x4\n"
281 "zip1 v19.16b, v18.16b, v16.16b\n"
282 "ldr s16, [x12], #0x4\n"
283 "ldr s18, [x11], #0x4\n"
284 "zip1 v16.16b, v17.16b, v16.16b\n"
285 "ldr s20, [x10], #0x4\n"
286 "ldr s17, [x9], #0x4\n"
287 "zip1 v23.16b, v19.16b, v16.16b\n"
288 "ldr s16, [x28], #0x4\n"
289 "zip1 v19.16b, v18.16b, v17.16b\n"
290 "ldr s18, [x27], #0x4\n"
291 "ldr s22, [x26], #0x4\n"
292 "zip1 v16.16b, v20.16b, v16.16b\n"
293 "ldr s17, [x25], #0x4\n"
294 "zip1 v21.16b, v19.16b, v16.16b\n"
295 "ldr s16, [x24], #0x4\n"
296 "zip1 v18.16b, v18.16b, v17.16b\n"
297 "ldr s20, [x23], #0x4\n"
298 "ldr s19, [x22], #0x4\n"
299 "zip1 v16.16b, v22.16b, v16.16b\n"
300 "ldr s17, [x21], #0x4\n"
301 "zip1 v18.16b, v18.16b, v16.16b\n"
302 "ldr s16, [x20], #0x4\n"
303 "zip1 v17.16b, v20.16b, v17.16b\n"
304 "str q23, [x15, #0x0]\n"
305 "str q21, [x15, #0x80]\n"
306 "zip1 v16.16b, v19.16b, v16.16b\n"
307 "str q18, [x15, #0x100]\n"
308 "zip1 v16.16b, v17.16b, v16.16b\n"
309 "str q16, [x15, #0x180]\n"
310 "add x15, x15, #0x10\n"
311 "bge 6b\n"
312 "7:" // Main row loop: width 4 loop: skip
313 "cmp x19, #0x1\n"
314 "blt 9f\n"
315 "8:" // Main row loop: width 1 loop: loop
316 "ldr b18, [x16], #0x1\n"
317 "sub x19, x19, #0x1\n"
318 "ldr b17, [x14], #0x1\n"
319 "cmp x19, #0x1\n"
320 "ldr b16, [x13], #0x1\n"
321 "zip1 v19.16b, v18.16b, v16.16b\n"
322 "ldr b16, [x12], #0x1\n"
323 "ldr b18, [x11], #0x1\n"
324 "zip1 v16.16b, v17.16b, v16.16b\n"
325 "ldr b20, [x10], #0x1\n"
326 "ldr b17, [x9], #0x1\n"
327 "zip1 v23.16b, v19.16b, v16.16b\n"
328 "ldr b16, [x28], #0x1\n"
329 "zip1 v19.16b, v18.16b, v17.16b\n"
330 "ldr b18, [x27], #0x1\n"
331 "ldr b22, [x26], #0x1\n"
332 "zip1 v16.16b, v20.16b, v16.16b\n"
333 "ldr b17, [x25], #0x1\n"
334 "zip1 v21.16b, v19.16b, v16.16b\n"
335 "ldr b16, [x24], #0x1\n"
336 "zip1 v18.16b, v18.16b, v17.16b\n"
337 "ldr b20, [x23], #0x1\n"
338 "ldr b19, [x22], #0x1\n"
339 "zip1 v16.16b, v22.16b, v16.16b\n"
340 "ldr b17, [x21], #0x1\n"
341 "zip1 v18.16b, v18.16b, v16.16b\n"
342 "ldr b16, [x20], #0x1\n"
343 "zip1 v17.16b, v20.16b, v17.16b\n"
344 "str s23, [x15, #0x0]\n"
345 "str s21, [x15, #0x80]\n"
346 "zip1 v16.16b, v19.16b, v16.16b\n"
347 "str s18, [x15, #0x100]\n"
348 "zip1 v16.16b, v17.16b, v16.16b\n"
349 "str s16, [x15, #0x180]\n"
350 "add x15, x15, #0x4\n"
351 "bge 8b\n"
352 "9:" // Main row loop: width 1 loop: skip
353 "add %x[out], %x[out], #0x200\n"
354 "cmp %x[height], #0x10\n"
355 "bge 1b\n"
356 "cbz %x[height], 20f\n"
357 "10:" // Main loop skip
358
359 "11:" // Tail row loop: Head
360 "mov x16, %x[in]\n"
361 "mov x15, %x[out]\n"
362 "add x14, x16, %x[in_stride]\n"
363 "add x13, x14, %x[in_stride]\n"
364 "add x12, x13, %x[in_stride]\n"
365 "add %x[in], x12, %x[in_stride]\n"
366 "cmp %x[height], #0x3\n"
367 "csel x12, x12, %x[pad_row], GT\n"
368 "csel x13, x13, %x[pad_row], GE\n"
369 "cmp %x[height], #0x1\n"
370 "csel x14, x14, %x[pad_row], GT\n"
371 "sub %x[height], %x[height], #0x4\n"
372 "mov x19, %x[width]\n"
373 "cmp x19, #0x20\n"
374 "blt 13f\n"
375 "12:" // Tail row loop: Column loop
376 "ldr q17, [x16], #0x10\n"
377 "sub x19, x19, #0x20\n"
378 "ldr q25, [x14], #0x10\n"
379 "cmp x19, #0x20\n"
380 "ldr q16, [x13], #0x10\n"
381 "zip1 v24.16b, v17.16b, v16.16b\n"
382 "ldr q18, [x16], #0x10\n"
383 "zip2 v23.16b, v17.16b, v16.16b\n"
384 "ldr q22, [x14], #0x10\n"
385 "ldr q17, [x13], #0x10\n"
386 "zip1 v21.16b, v18.16b, v17.16b\n"
387 "ldr q16, [x12], #0x10\n"
388 "zip2 v20.16b, v18.16b, v17.16b\n"
389 "ldr q19, [x12], #0x10\n"
390 "zip1 v18.16b, v25.16b, v16.16b\n"
391 "zip2 v17.16b, v25.16b, v16.16b\n"
392 "zip1 v16.16b, v24.16b, v18.16b\n"
393 "str q16, [x15, #0x0]\n"
394 "zip2 v16.16b, v24.16b, v18.16b\n"
395 "str q16, [x15, #0x10]\n"
396 "zip1 v16.16b, v23.16b, v17.16b\n"
397 "str q16, [x15, #0x20]\n"
398 "zip2 v16.16b, v23.16b, v17.16b\n"
399 "str q16, [x15, #0x30]\n"
400 "zip1 v17.16b, v22.16b, v19.16b\n"
401 "zip1 v16.16b, v21.16b, v17.16b\n"
402 "str q16, [x15, #0x40]\n"
403 "zip2 v16.16b, v21.16b, v17.16b\n"
404 "str q16, [x15, #0x50]\n"
405 "zip2 v17.16b, v22.16b, v19.16b\n"
406 "zip1 v16.16b, v20.16b, v17.16b\n"
407 "str q16, [x15, #0x60]\n"
408 "zip2 v16.16b, v20.16b, v17.16b\n"
409 "str q16, [x15, #0x70]\n"
410 "add x15, x15, %x[out_stride]\n"
411 "bge 12b\n"
412 "13:" // Tail row loop: Column loop skip
413 "cmp x19, #0x10\n"
414 "blt 15f\n"
415 "14:" // Tail row loop: width 16 loop: loop
416 "ldr q18, [x16], #0x10\n"
417 "sub x19, x19, #0x10\n"
418 "ldr q21, [x14], #0x10\n"
419 "cmp x19, #0x10\n"
420 "ldr q17, [x13], #0x10\n"
421 "zip1 v20.16b, v18.16b, v17.16b\n"
422 "ldr q16, [x12], #0x10\n"
423 "zip2 v19.16b, v18.16b, v17.16b\n"
424 "zip1 v18.16b, v21.16b, v16.16b\n"
425 "zip2 v17.16b, v21.16b, v16.16b\n"
426 "zip1 v16.16b, v20.16b, v18.16b\n"
427 "str q16, [x15, #0x0]\n"
428 "zip2 v16.16b, v20.16b, v18.16b\n"
429 "str q16, [x15, #0x10]\n"
430 "zip1 v16.16b, v19.16b, v17.16b\n"
431 "str q16, [x15, #0x20]\n"
432 "zip2 v16.16b, v19.16b, v17.16b\n"
433 "str q16, [x15, #0x30]\n"
434 "add x15, x15, #0x40\n"
435 "bge 14b\n"
436 "15:" // Tail row loop: width 16 loop: skip
437 "cmp x19, #0x4\n"
438 "blt 17f\n"
439 "16:" // Tail row loop: width 4 loop: loop
440 "ldr s17, [x16], #0x4\n"
441 "sub x19, x19, #0x4\n"
442 "ldr s18, [x14], #0x4\n"
443 "cmp x19, #0x4\n"
444 "ldr s16, [x13], #0x4\n"
445 "zip1 v17.16b, v17.16b, v16.16b\n"
446 "ldr s16, [x12], #0x4\n"
447 "zip1 v16.16b, v18.16b, v16.16b\n"
448 "zip1 v16.16b, v17.16b, v16.16b\n"
449 "str q16, [x15, #0x0]\n"
450 "add x15, x15, #0x10\n"
451 "bge 16b\n"
452 "17:" // Tail row loop: width 4 loop: skip
453 "cmp x19, #0x1\n"
454 "blt 19f\n"
455 "18:" // Tail row loop: width 1 loop: loop
456 "ldr b17, [x16], #0x1\n"
457 "sub x19, x19, #0x1\n"
458 "ldr b18, [x14], #0x1\n"
459 "cmp x19, #0x1\n"
460 "ldr b16, [x13], #0x1\n"
461 "zip1 v17.16b, v17.16b, v16.16b\n"
462 "ldr b16, [x12], #0x1\n"
463 "zip1 v16.16b, v18.16b, v16.16b\n"
464 "zip1 v16.16b, v17.16b, v16.16b\n"
465 "str s16, [x15, #0x0]\n"
466 "add x15, x15, #0x4\n"
467 "bge 18b\n"
468 "19:" // Tail row loop: width 1 loop: skip
469 "add %x[out], %x[out], #0x80\n"
470 "cmp %x[height], #0x1\n"
471 "bge 11b\n"
472 "20:" // Done
473
474 : [height] "+&r" (height), [in] "+&r" (in), [out] "+&r" (out)
475 : [in_stride] "r" (in_stride), [out_stride] "r" (out_stride), [pad_row] "r" (pad_row), [width] "r" (width)
476 : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15", "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", "x9", "x10", "x11", "x12", "x13", "x14", "x15", "x16", "x19", "x20", "x21", "x22", "x23", "x24", "x25", "x26", "x27", "x28"
477 );
478 }
479
480 } // anonymous namespace
481
482 template<>
Transform(uint8_t * out,const uint8_t * in,int stride,int x0,int xmax,int k0,int kmax)483 void Transform<32, 4, true, VLType::None>(
484 uint8_t *out, const uint8_t *in, int stride, int x0, int xmax, int k0, int kmax)
485 {
486 a64_transpose_interleave_32_1x4(
487 reinterpret_cast<uint8_t *>(out),
488 reinterpret_cast<const uint8_t *>(in + k0 * stride + x0),
489 (xmax-x0) * sizeof(uint8_t) / 1,
490 stride * sizeof(uint8_t),
491 (kmax-k0)
492 );
493 }
494
495 template<>
Transform(int8_t * out,const int8_t * in,int stride,int x0,int xmax,int k0,int kmax)496 void Transform<32, 4, true, VLType::None>(
497 int8_t *out, const int8_t *in, int stride, int x0, int xmax, int k0, int kmax)
498 {
499 a64_transpose_interleave_32_1x4(
500 reinterpret_cast<uint8_t *>(out),
501 reinterpret_cast<const uint8_t *>(in + k0 * stride + x0),
502 (xmax-x0) * sizeof(int8_t) / 1,
503 stride * sizeof(int8_t),
504 (kmax-k0)
505 );
506 }
507
508 #endif
509