1 /*
2 * Copyright (c) 2019-2021 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 #ifdef __aarch64__
26
27 template<>
interleave_block(int8_t * & out_ptr,const int8_t * const * in,size_t width,size_t height,size_t row_offset,bool first)28 void interleave_block<8, 4, VLType::None, true>(
29 int8_t * &out_ptr, const int8_t * const * in, size_t width, size_t height,
30 size_t row_offset, bool first
31 )
32 {
33 __asm__ __volatile__(
34 "movi v1.8h, #0x0\n"
35 "ldr x27, [%x[in], #0x0]\n"
36 "mov x19, #0x0\n"
37 "movi v0.8h, #0x0\n"
38 "ldr x26, [%x[in], #0x8]\n"
39 "cmp %x[height], #0x8\n"
40 "movi v31.4s, #0x0\n"
41 "ldr x25, [%x[in], #0x10]\n"
42 "add x27, x27, %x[row_offset]\n"
43 "movi v30.4s, #0x0\n"
44 "ldr x24, [%x[in], #0x18]\n"
45 "ldr x23, [%x[in], #0x20]\n"
46 "add x26, x26, %x[row_offset]\n"
47 "ldr x22, [%x[in], #0x28]\n"
48 "add x25, x25, %x[row_offset]\n"
49 "ldr x21, [%x[in], #0x30]\n"
50 "add x24, x24, %x[row_offset]\n"
51 "ldr x20, [%x[in], #0x38]\n"
52 "add x23, x23, %x[row_offset]\n"
53 "add x22, x22, %x[row_offset]\n"
54 "add x21, x21, %x[row_offset]\n"
55 "add x20, x20, %x[row_offset]\n"
56 "beq 1f\n"
57 "mov x20, x27\n"
58 "cmp %x[height], #0x2\n"
59 "csel x26, x26, x27, GE\n"
60 "csel x25, x25, x27, GT\n"
61 "cmp %x[height], #0x4\n"
62 "csel x24, x24, x27, GE\n"
63 "csel x23, x23, x27, GT\n"
64 "cmp %x[height], #0x6\n"
65 "csel x22, x22, x27, GE\n"
66 "csel x21, x21, x27, GT\n"
67 "1:" // no_pointer_adj
68 "prfm pldl1keep, [x27, #0x0]\n"
69 "prfm pldl1keep, [x26, #0x0]\n"
70 "prfm pldl1keep, [x25, #0x0]\n"
71 "prfm pldl1keep, [x24, #0x0]\n"
72 "prfm pldl1keep, [x23, #0x0]\n"
73 "prfm pldl1keep, [x22, #0x0]\n"
74 "prfm pldl1keep, [x21, #0x0]\n"
75 "prfm pldl1keep, [x20, #0x0]\n"
76 "prfm pldl1keep, [x27, #0x40]\n"
77 "prfm pldl1keep, [x26, #0x40]\n"
78 "prfm pldl1keep, [x25, #0x40]\n"
79 "prfm pldl1keep, [x24, #0x40]\n"
80 "prfm pldl1keep, [x23, #0x40]\n"
81 "prfm pldl1keep, [x22, #0x40]\n"
82 "prfm pldl1keep, [x21, #0x40]\n"
83 "prfm pldl1keep, [x20, #0x40]\n"
84 "cbnz %w[first], 2f\n"
85 "sub %x[out_ptr], %x[out_ptr], #0x20\n"
86 "ld1 { v31.4s }, [%x[out_ptr]]\n"
87 "ldr q30, [%x[out_ptr], #0x10]\n"
88 "2:" // first_pass
89 "cmp %x[width], #0x10\n"
90 "blt 5f\n"
91 "3:" // Main loop head
92 "cmp x19, #0x1e\n"
93 "ble 4f\n"
94 "sadalp v31.4s, v1.8h\n"
95 "movi v1.8h, #0x0\n"
96 "sadalp v30.4s, v0.8h\n"
97 "movi v0.8h, #0x0\n"
98 "mov x19, #0x0\n"
99 "4:" // no_accumulate_16
100 "ldr q28, [x27], #0x10\n"
101 "add x19, x19, #0x1\n"
102 "ldr q29, [x26], #0x10\n"
103 "subs %x[width], %x[width], #0x10\n"
104 "ldr q25, [x25], #0x10\n"
105 "zip1 v22.4s, v28.4s, v25.4s\n"
106 "ldr q21, [x24], #0x10\n"
107 "cmp %x[width], #0x10\n"
108 "zip2 v28.4s, v28.4s, v25.4s\n"
109 "ldr q27, [x23], #0x10\n"
110 "ldr q26, [x22], #0x10\n"
111 "zip1 v20.4s, v29.4s, v21.4s\n"
112 "ldr q19, [x21], #0x10\n"
113 "zip2 v25.4s, v29.4s, v21.4s\n"
114 "ldr q24, [x20], #0x10\n"
115 "zip1 v23.4s, v22.4s, v20.4s\n"
116 "prfm pldl1keep, [x27, #0x70]\n"
117 "sadalp v1.8h, v23.16b\n"
118 "zip2 v22.4s, v22.4s, v20.4s\n"
119 "prfm pldl1keep, [x26, #0x70]\n"
120 "sadalp v1.8h, v22.16b\n"
121 "zip1 v18.4s, v27.4s, v19.4s\n"
122 "prfm pldl1keep, [x25, #0x70]\n"
123 "zip1 v16.4s, v26.4s, v24.4s\n"
124 "prfm pldl1keep, [x24, #0x70]\n"
125 "zip1 v21.4s, v28.4s, v25.4s\n"
126 "prfm pldl1keep, [x23, #0x70]\n"
127 "sadalp v1.8h, v21.16b\n"
128 "zip1 v17.4s, v18.4s, v16.4s\n"
129 "prfm pldl1keep, [x22, #0x70]\n"
130 "zip2 v20.4s, v18.4s, v16.4s\n"
131 "prfm pldl1keep, [x21, #0x70]\n"
132 "sadalp v0.8h, v17.16b\n"
133 "zip2 v19.4s, v27.4s, v19.4s\n"
134 "prfm pldl1keep, [x20, #0x70]\n"
135 "sadalp v0.8h, v20.16b\n"
136 "zip2 v16.4s, v26.4s, v24.4s\n"
137 "str q23, [%x[out_ptr], #0x0]\n"
138 "zip1 v18.4s, v19.4s, v16.4s\n"
139 "str q17, [%x[out_ptr], #0x10]\n"
140 "sadalp v0.8h, v18.16b\n"
141 "zip2 v17.4s, v28.4s, v25.4s\n"
142 "str q22, [%x[out_ptr], #0x20]\n"
143 "zip2 v16.4s, v19.4s, v16.4s\n"
144 "str q20, [%x[out_ptr], #0x30]\n"
145 "sadalp v1.8h, v17.16b\n"
146 "str q21, [%x[out_ptr], #0x40]\n"
147 "sadalp v0.8h, v16.16b\n"
148 "str q18, [%x[out_ptr], #0x50]\n"
149 "str q17, [%x[out_ptr], #0x60]\n"
150 "str q16, [%x[out_ptr], #0x70]\n"
151 "add %x[out_ptr], %x[out_ptr], #0x80\n"
152 "bge 3b\n"
153 "5:" // Main loop skip
154 "cbz %x[width], 14f\n"
155 "tbz %x[width], #3, 9f\n"
156 "ldr d28, [x27], #0x8\n"
157 "ldr d29, [x26], #0x8\n"
158 "ldr d25, [x25], #0x8\n"
159 "ldr d21, [x24], #0x8\n"
160 "ldr d27, [x23], #0x8\n"
161 "ldr d26, [x22], #0x8\n"
162 "ldr d19, [x21], #0x8\n"
163 "ldr d24, [x20], #0x8\n"
164 "tbz %x[width], #2, 7f\n"
165 "ld1 { v28.s }[2], [x27], #0x4\n"
166 "ld1 { v29.s }[2], [x26], #0x4\n"
167 "ld1 { v25.s }[2], [x25], #0x4\n"
168 "ld1 { v21.s }[2], [x24], #0x4\n"
169 "ld1 { v27.s }[2], [x23], #0x4\n"
170 "ld1 { v26.s }[2], [x22], #0x4\n"
171 "ld1 { v19.s }[2], [x21], #0x4\n"
172 "ld1 { v24.s }[2], [x20], #0x4\n"
173 "tbz %x[width], #1, 6f\n"
174 "ld1 { v28.h }[6], [x27], #0x2\n"
175 "mov x19, #0x4\n"
176 "ld1 { v29.h }[6], [x26], #0x2\n"
177 "ld1 { v25.h }[6], [x25], #0x2\n"
178 "ld1 { v21.h }[6], [x24], #0x2\n"
179 "ld1 { v27.h }[6], [x23], #0x2\n"
180 "ld1 { v26.h }[6], [x22], #0x2\n"
181 "ld1 { v19.h }[6], [x21], #0x2\n"
182 "ld1 { v24.h }[6], [x20], #0x2\n"
183 "tbz %x[width], #0, 13f\n"
184 "ld1 { v28.b }[14], [x27]\n"
185 "ld1 { v29.b }[14], [x26]\n"
186 "ld1 { v25.b }[14], [x25]\n"
187 "ld1 { v21.b }[14], [x24]\n"
188 "ld1 { v27.b }[14], [x23]\n"
189 "ld1 { v26.b }[14], [x22]\n"
190 "ld1 { v19.b }[14], [x21]\n"
191 "ld1 { v24.b }[14], [x20]\n"
192 "b 13f\n"
193 "6:" // odd_loads_1_12
194 "mov x19, #0x3\n"
195 "tbz %x[width], #0, 13f\n"
196 "ld1 { v28.b }[12], [x27]\n"
197 "ld1 { v29.b }[12], [x26]\n"
198 "mov x19, #0x4\n"
199 "ld1 { v25.b }[12], [x25]\n"
200 "ld1 { v21.b }[12], [x24]\n"
201 "ld1 { v27.b }[12], [x23]\n"
202 "ld1 { v26.b }[12], [x22]\n"
203 "ld1 { v19.b }[12], [x21]\n"
204 "ld1 { v24.b }[12], [x20]\n"
205 "b 13f\n"
206 "7:" // odd_loads_2_8
207 "tbz %x[width], #1, 8f\n"
208 "ld1 { v28.h }[4], [x27], #0x2\n"
209 "ld1 { v29.h }[4], [x26], #0x2\n"
210 "mov x19, #0x3\n"
211 "ld1 { v25.h }[4], [x25], #0x2\n"
212 "ld1 { v21.h }[4], [x24], #0x2\n"
213 "ld1 { v27.h }[4], [x23], #0x2\n"
214 "ld1 { v26.h }[4], [x22], #0x2\n"
215 "ld1 { v19.h }[4], [x21], #0x2\n"
216 "ld1 { v24.h }[4], [x20], #0x2\n"
217 "tbz %x[width], #0, 13f\n"
218 "ld1 { v28.b }[10], [x27]\n"
219 "ld1 { v29.b }[10], [x26]\n"
220 "ld1 { v25.b }[10], [x25]\n"
221 "ld1 { v21.b }[10], [x24]\n"
222 "ld1 { v27.b }[10], [x23]\n"
223 "ld1 { v26.b }[10], [x22]\n"
224 "ld1 { v19.b }[10], [x21]\n"
225 "ld1 { v24.b }[10], [x20]\n"
226 "b 13f\n"
227 "8:" // odd_loads_1_8
228 "mov x19, #0x2\n"
229 "tbz %x[width], #0, 13f\n"
230 "ld1 { v28.b }[8], [x27]\n"
231 "ld1 { v29.b }[8], [x26]\n"
232 "mov x19, #0x3\n"
233 "ld1 { v25.b }[8], [x25]\n"
234 "ld1 { v21.b }[8], [x24]\n"
235 "ld1 { v27.b }[8], [x23]\n"
236 "ld1 { v26.b }[8], [x22]\n"
237 "ld1 { v19.b }[8], [x21]\n"
238 "ld1 { v24.b }[8], [x20]\n"
239 "b 13f\n"
240 "9:" // odd_loads_4_0
241 "tbz %x[width], #2, 11f\n"
242 "ldr s28, [x27], #0x4\n"
243 "ldr s29, [x26], #0x4\n"
244 "ldr s25, [x25], #0x4\n"
245 "ldr s21, [x24], #0x4\n"
246 "ldr s27, [x23], #0x4\n"
247 "ldr s26, [x22], #0x4\n"
248 "ldr s19, [x21], #0x4\n"
249 "ldr s24, [x20], #0x4\n"
250 "tbz %x[width], #1, 10f\n"
251 "ld1 { v28.h }[2], [x27], #0x2\n"
252 "mov x19, #0x2\n"
253 "ld1 { v29.h }[2], [x26], #0x2\n"
254 "ld1 { v25.h }[2], [x25], #0x2\n"
255 "ld1 { v21.h }[2], [x24], #0x2\n"
256 "ld1 { v27.h }[2], [x23], #0x2\n"
257 "ld1 { v26.h }[2], [x22], #0x2\n"
258 "ld1 { v19.h }[2], [x21], #0x2\n"
259 "ld1 { v24.h }[2], [x20], #0x2\n"
260 "tbz %x[width], #0, 13f\n"
261 "ld1 { v28.b }[6], [x27]\n"
262 "ld1 { v29.b }[6], [x26]\n"
263 "ld1 { v25.b }[6], [x25]\n"
264 "ld1 { v21.b }[6], [x24]\n"
265 "ld1 { v27.b }[6], [x23]\n"
266 "ld1 { v26.b }[6], [x22]\n"
267 "ld1 { v19.b }[6], [x21]\n"
268 "ld1 { v24.b }[6], [x20]\n"
269 "b 13f\n"
270 "10:" // odd_loads_1_4
271 "mov x19, #0x1\n"
272 "tbz %x[width], #0, 13f\n"
273 "ld1 { v28.b }[4], [x27]\n"
274 "ld1 { v29.b }[4], [x26]\n"
275 "mov x19, #0x2\n"
276 "ld1 { v25.b }[4], [x25]\n"
277 "ld1 { v21.b }[4], [x24]\n"
278 "ld1 { v27.b }[4], [x23]\n"
279 "ld1 { v26.b }[4], [x22]\n"
280 "ld1 { v19.b }[4], [x21]\n"
281 "ld1 { v24.b }[4], [x20]\n"
282 "b 13f\n"
283 "11:" // odd_loads_2_0
284 "tbz %x[width], #1, 12f\n"
285 "ldr h28, [x27], #0x2\n"
286 "ldr h29, [x26], #0x2\n"
287 "mov x19, #0x1\n"
288 "ldr h25, [x25], #0x2\n"
289 "ldr h21, [x24], #0x2\n"
290 "ldr h27, [x23], #0x2\n"
291 "ldr h26, [x22], #0x2\n"
292 "ldr h19, [x21], #0x2\n"
293 "ldr h24, [x20], #0x2\n"
294 "tbz %x[width], #0, 13f\n"
295 "ld1 { v28.b }[2], [x27]\n"
296 "ld1 { v29.b }[2], [x26]\n"
297 "ld1 { v25.b }[2], [x25]\n"
298 "ld1 { v21.b }[2], [x24]\n"
299 "ld1 { v27.b }[2], [x23]\n"
300 "ld1 { v26.b }[2], [x22]\n"
301 "ld1 { v19.b }[2], [x21]\n"
302 "ld1 { v24.b }[2], [x20]\n"
303 "b 13f\n"
304 "12:" // odd_loads_1_0
305 "ldr b28, [x27, #0x0]\n"
306 "mov x19, #0x1\n"
307 "ldr b29, [x26, #0x0]\n"
308 "ldr b25, [x25, #0x0]\n"
309 "ldr b21, [x24, #0x0]\n"
310 "ldr b27, [x23, #0x0]\n"
311 "ldr b26, [x22, #0x0]\n"
312 "ldr b19, [x21, #0x0]\n"
313 "ldr b24, [x20, #0x0]\n"
314 "13:" // Odd load end
315 "zip1 v22.4s, v28.4s, v25.4s\n"
316 "subs x19, x19, #0x1\n"
317 "zip1 v20.4s, v29.4s, v21.4s\n"
318 "zip1 v23.4s, v22.4s, v20.4s\n"
319 "str q23, [%x[out_ptr], #0x0]\n"
320 "sadalp v1.8h, v23.16b\n"
321 "zip1 v18.4s, v27.4s, v19.4s\n"
322 "zip1 v16.4s, v26.4s, v24.4s\n"
323 "zip1 v17.4s, v18.4s, v16.4s\n"
324 "str q17, [%x[out_ptr], #0x10]\n"
325 "sadalp v0.8h, v17.16b\n"
326 "add %x[out_ptr], %x[out_ptr], #0x20\n"
327 "beq 14f\n"
328 "zip2 v22.4s, v22.4s, v20.4s\n"
329 "str q22, [%x[out_ptr], #0x0]\n"
330 "zip2 v20.4s, v18.4s, v16.4s\n"
331 "sadalp v1.8h, v22.16b\n"
332 "str q20, [%x[out_ptr], #0x10]\n"
333 "subs x19, x19, #0x1\n"
334 "add %x[out_ptr], %x[out_ptr], #0x20\n"
335 "sadalp v0.8h, v20.16b\n"
336 "beq 14f\n"
337 "zip2 v28.4s, v28.4s, v25.4s\n"
338 "zip2 v25.4s, v29.4s, v21.4s\n"
339 "subs x19, x19, #0x1\n"
340 "zip1 v21.4s, v28.4s, v25.4s\n"
341 "str q21, [%x[out_ptr], #0x0]\n"
342 "sadalp v1.8h, v21.16b\n"
343 "zip2 v19.4s, v27.4s, v19.4s\n"
344 "zip2 v16.4s, v26.4s, v24.4s\n"
345 "zip1 v18.4s, v19.4s, v16.4s\n"
346 "str q18, [%x[out_ptr], #0x10]\n"
347 "sadalp v0.8h, v18.16b\n"
348 "add %x[out_ptr], %x[out_ptr], #0x20\n"
349 "beq 14f\n"
350 "zip2 v17.4s, v28.4s, v25.4s\n"
351 "str q17, [%x[out_ptr], #0x0]\n"
352 "zip2 v16.4s, v19.4s, v16.4s\n"
353 "sadalp v1.8h, v17.16b\n"
354 "str q16, [%x[out_ptr], #0x10]\n"
355 "add %x[out_ptr], %x[out_ptr], #0x20\n"
356 "sadalp v0.8h, v16.16b\n"
357 "14:" // Odds skip
358 "sadalp v31.4s, v1.8h\n"
359 "str q31, [%x[out_ptr], #0x0]\n"
360 "sadalp v30.4s, v0.8h\n"
361 "str q30, [%x[out_ptr], #0x10]\n"
362 "add %x[out_ptr], %x[out_ptr], #0x20\n"
363 : [out_ptr] "+&r" (out_ptr), [width] "+&r" (width)
364 : [first] "r" (first), [height] "r" (height), [in] "r" (in), [row_offset] "r" (row_offset)
365 : "cc", "memory", "v0", "v1", "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", "x19", "x20", "x21", "x22", "x23", "x24", "x25", "x26", "x27"
366 );
367 }
368
369
370 #endif // __aarch64__
371