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(uint16_t * & out_ptr,const uint8_t * const * in,size_t width,size_t height,size_t row_offset,bool first)28 void interleave_block<8, 1, VLType::None, true>(
29 uint16_t * &out_ptr, const uint8_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 v0.4s, #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 "ldr x24, [%x[in], #0x18]\n"
44 "ldr x23, [%x[in], #0x20]\n"
45 "add x26, x26, %x[row_offset]\n"
46 "ldr x22, [%x[in], #0x28]\n"
47 "add x25, x25, %x[row_offset]\n"
48 "ldr x21, [%x[in], #0x30]\n"
49 "add x24, x24, %x[row_offset]\n"
50 "ldr x20, [%x[in], #0x38]\n"
51 "add x23, x23, %x[row_offset]\n"
52 "add x22, x22, %x[row_offset]\n"
53 "add x21, x21, %x[row_offset]\n"
54 "add x20, x20, %x[row_offset]\n"
55 "beq 1f\n"
56 "mov x20, x27\n"
57 "cmp %x[height], #0x2\n"
58 "csel x26, x26, x27, GE\n"
59 "csel x25, x25, x27, GT\n"
60 "cmp %x[height], #0x4\n"
61 "csel x24, x24, x27, GE\n"
62 "csel x23, x23, x27, GT\n"
63 "cmp %x[height], #0x6\n"
64 "csel x22, x22, x27, GE\n"
65 "csel x21, x21, x27, GT\n"
66 "1:" // no_pointer_adj
67 "prfm pldl1keep, [x27, #0x0]\n"
68 "prfm pldl1keep, [x26, #0x0]\n"
69 "prfm pldl1keep, [x25, #0x0]\n"
70 "prfm pldl1keep, [x24, #0x0]\n"
71 "prfm pldl1keep, [x23, #0x0]\n"
72 "prfm pldl1keep, [x22, #0x0]\n"
73 "prfm pldl1keep, [x21, #0x0]\n"
74 "prfm pldl1keep, [x20, #0x0]\n"
75 "prfm pldl1keep, [x27, #0x40]\n"
76 "prfm pldl1keep, [x26, #0x40]\n"
77 "prfm pldl1keep, [x25, #0x40]\n"
78 "prfm pldl1keep, [x24, #0x40]\n"
79 "prfm pldl1keep, [x23, #0x40]\n"
80 "prfm pldl1keep, [x22, #0x40]\n"
81 "prfm pldl1keep, [x21, #0x40]\n"
82 "prfm pldl1keep, [x20, #0x40]\n"
83 "cbnz %w[first], 2f\n"
84 "sub %x[out_ptr], %x[out_ptr], #0x20\n"
85 "ld1 { v0.4s }, [%x[out_ptr]]\n"
86 "ldr q31, [%x[out_ptr], #0x10]\n"
87 "2:" // first_pass
88 "cmp %x[width], #0x8\n"
89 "blt 5f\n"
90 "3:" // Main loop head
91 "cmp x19, #0xe\n"
92 "ble 4f\n"
93 "uaddw v0.4s, v0.4s, v1.4h\n"
94 "uaddw2 v31.4s, v31.4s, v1.8h\n"
95 "mov x19, #0x0\n"
96 "movi v1.8h, #0x0\n"
97 "4:" // no_accumulate_16
98 "ldr d30, [x27], #0x8\n"
99 "ushll v30.8h, v30.8b, #0x0\n"
100 "ldr d29, [x26], #0x8\n"
101 "add x19, x19, #0x1\n"
102 "ushll v29.8h, v29.8b, #0x0\n"
103 "ldr d28, [x25], #0x8\n"
104 "subs %x[width], %x[width], #0x8\n"
105 "ushll v28.8h, v28.8b, #0x0\n"
106 "ldr d27, [x24], #0x8\n"
107 "cmp %x[width], #0x8\n"
108 "ushll v27.8h, v27.8b, #0x0\n"
109 "ldr d24, [x23], #0x8\n"
110 "ldr d23, [x22], #0x8\n"
111 "ushll v24.8h, v24.8b, #0x0\n"
112 "ldr d21, [x21], #0x8\n"
113 "ushll v23.8h, v23.8b, #0x0\n"
114 "ldr d26, [x20], #0x8\n"
115 "zip1 v20.8h, v30.8h, v24.8h\n"
116 "prfm pldl1keep, [x27, #0x70]\n"
117 "zip1 v25.8h, v29.8h, v23.8h\n"
118 "prfm pldl1keep, [x26, #0x70]\n"
119 "zip2 v24.8h, v30.8h, v24.8h\n"
120 "prfm pldl1keep, [x25, #0x70]\n"
121 "zip2 v23.8h, v29.8h, v23.8h\n"
122 "prfm pldl1keep, [x24, #0x70]\n"
123 "ushll v21.8h, v21.8b, #0x0\n"
124 "prfm pldl1keep, [x23, #0x70]\n"
125 "zip1 v19.8h, v28.8h, v21.8h\n"
126 "prfm pldl1keep, [x22, #0x70]\n"
127 "zip1 v22.8h, v20.8h, v19.8h\n"
128 "prfm pldl1keep, [x21, #0x70]\n"
129 "zip2 v19.8h, v20.8h, v19.8h\n"
130 "prfm pldl1keep, [x20, #0x70]\n"
131 "zip2 v20.8h, v28.8h, v21.8h\n"
132 "zip1 v21.8h, v24.8h, v20.8h\n"
133 "zip2 v20.8h, v24.8h, v20.8h\n"
134 "ushll v26.8h, v26.8b, #0x0\n"
135 "zip1 v18.8h, v27.8h, v26.8h\n"
136 "zip1 v17.8h, v25.8h, v18.8h\n"
137 "zip1 v16.8h, v22.8h, v17.8h\n"
138 "str q16, [%x[out_ptr], #0x0]\n"
139 "add v1.8h, v1.8h, v16.8h\n"
140 "zip2 v17.8h, v22.8h, v17.8h\n"
141 "str q17, [%x[out_ptr], #0x10]\n"
142 "zip2 v16.8h, v25.8h, v18.8h\n"
143 "add v1.8h, v1.8h, v17.8h\n"
144 "zip1 v17.8h, v19.8h, v16.8h\n"
145 "str q17, [%x[out_ptr], #0x20]\n"
146 "zip2 v16.8h, v19.8h, v16.8h\n"
147 "str q16, [%x[out_ptr], #0x30]\n"
148 "add v1.8h, v1.8h, v17.8h\n"
149 "zip2 v19.8h, v27.8h, v26.8h\n"
150 "zip1 v17.8h, v23.8h, v19.8h\n"
151 "add v1.8h, v1.8h, v16.8h\n"
152 "zip1 v16.8h, v21.8h, v17.8h\n"
153 "str q16, [%x[out_ptr], #0x40]\n"
154 "zip2 v18.8h, v21.8h, v17.8h\n"
155 "str q18, [%x[out_ptr], #0x50]\n"
156 "add v1.8h, v1.8h, v16.8h\n"
157 "zip2 v16.8h, v23.8h, v19.8h\n"
158 "zip1 v17.8h, v20.8h, v16.8h\n"
159 "str q17, [%x[out_ptr], #0x60]\n"
160 "add v1.8h, v1.8h, v18.8h\n"
161 "zip2 v16.8h, v20.8h, v16.8h\n"
162 "str q16, [%x[out_ptr], #0x70]\n"
163 "add %x[out_ptr], %x[out_ptr], #0x80\n"
164 "add v1.8h, v1.8h, v17.8h\n"
165 "add v1.8h, v1.8h, v16.8h\n"
166 "bge 3b\n"
167 "5:" // Main loop skip
168 "cbz %x[width], 10f\n"
169 "tbz %x[width], #2, 7f\n"
170 "ldr s30, [x27], #0x4\n"
171 "ldr s29, [x26], #0x4\n"
172 "ldr s28, [x25], #0x4\n"
173 "ldr s27, [x24], #0x4\n"
174 "ldr s24, [x23], #0x4\n"
175 "ldr s23, [x22], #0x4\n"
176 "ldr s21, [x21], #0x4\n"
177 "ldr s26, [x20], #0x4\n"
178 "tbz %x[width], #1, 6f\n"
179 "ld1 { v30.h }[2], [x27], #0x2\n"
180 "mov x19, #0x6\n"
181 "ld1 { v29.h }[2], [x26], #0x2\n"
182 "ld1 { v28.h }[2], [x25], #0x2\n"
183 "ld1 { v27.h }[2], [x24], #0x2\n"
184 "ld1 { v24.h }[2], [x23], #0x2\n"
185 "ld1 { v23.h }[2], [x22], #0x2\n"
186 "ld1 { v21.h }[2], [x21], #0x2\n"
187 "ld1 { v26.h }[2], [x20], #0x2\n"
188 "tbz %x[width], #0, 9f\n"
189 "ld1 { v30.b }[6], [x27]\n"
190 "mov x19, #0x7\n"
191 "ld1 { v29.b }[6], [x26]\n"
192 "ld1 { v28.b }[6], [x25]\n"
193 "ld1 { v27.b }[6], [x24]\n"
194 "ld1 { v24.b }[6], [x23]\n"
195 "ld1 { v23.b }[6], [x22]\n"
196 "ld1 { v21.b }[6], [x21]\n"
197 "ld1 { v26.b }[6], [x20]\n"
198 "b 9f\n"
199 "6:" // odd_loads_1_4
200 "mov x19, #0x4\n"
201 "tbz %x[width], #0, 9f\n"
202 "ld1 { v30.b }[4], [x27]\n"
203 "ld1 { v29.b }[4], [x26]\n"
204 "mov x19, #0x5\n"
205 "ld1 { v28.b }[4], [x25]\n"
206 "ld1 { v27.b }[4], [x24]\n"
207 "ld1 { v24.b }[4], [x23]\n"
208 "ld1 { v23.b }[4], [x22]\n"
209 "ld1 { v21.b }[4], [x21]\n"
210 "ld1 { v26.b }[4], [x20]\n"
211 "b 9f\n"
212 "7:" // odd_loads_2_0
213 "tbz %x[width], #1, 8f\n"
214 "ldr h30, [x27], #0x2\n"
215 "ldr h29, [x26], #0x2\n"
216 "mov x19, #0x2\n"
217 "ldr h28, [x25], #0x2\n"
218 "ldr h27, [x24], #0x2\n"
219 "ldr h24, [x23], #0x2\n"
220 "ldr h23, [x22], #0x2\n"
221 "ldr h21, [x21], #0x2\n"
222 "ldr h26, [x20], #0x2\n"
223 "tbz %x[width], #0, 9f\n"
224 "ld1 { v30.b }[2], [x27]\n"
225 "mov x19, #0x3\n"
226 "ld1 { v29.b }[2], [x26]\n"
227 "ld1 { v28.b }[2], [x25]\n"
228 "ld1 { v27.b }[2], [x24]\n"
229 "ld1 { v24.b }[2], [x23]\n"
230 "ld1 { v23.b }[2], [x22]\n"
231 "ld1 { v21.b }[2], [x21]\n"
232 "ld1 { v26.b }[2], [x20]\n"
233 "b 9f\n"
234 "8:" // odd_loads_1_0
235 "ldr b30, [x27, #0x0]\n"
236 "mov x19, #0x1\n"
237 "ldr b29, [x26, #0x0]\n"
238 "ldr b28, [x25, #0x0]\n"
239 "ldr b27, [x24, #0x0]\n"
240 "ldr b24, [x23, #0x0]\n"
241 "ldr b23, [x22, #0x0]\n"
242 "ldr b21, [x21, #0x0]\n"
243 "ldr b26, [x20, #0x0]\n"
244 "9:" // Odd load end
245 "ushll v30.8h, v30.8b, #0x0\n"
246 "subs x19, x19, #0x1\n"
247 "ushll v29.8h, v29.8b, #0x0\n"
248 "ushll v28.8h, v28.8b, #0x0\n"
249 "ushll v27.8h, v27.8b, #0x0\n"
250 "ushll v24.8h, v24.8b, #0x0\n"
251 "zip1 v20.8h, v30.8h, v24.8h\n"
252 "ushll v23.8h, v23.8b, #0x0\n"
253 "zip1 v25.8h, v29.8h, v23.8h\n"
254 "ushll v21.8h, v21.8b, #0x0\n"
255 "zip1 v19.8h, v28.8h, v21.8h\n"
256 "zip1 v22.8h, v20.8h, v19.8h\n"
257 "ushll v26.8h, v26.8b, #0x0\n"
258 "zip1 v18.8h, v27.8h, v26.8h\n"
259 "zip1 v17.8h, v25.8h, v18.8h\n"
260 "zip1 v16.8h, v22.8h, v17.8h\n"
261 "str q16, [%x[out_ptr], #0x0]\n"
262 "add %x[out_ptr], %x[out_ptr], #0x10\n"
263 "add v1.8h, v1.8h, v16.8h\n"
264 "beq 10f\n"
265 "zip2 v17.8h, v22.8h, v17.8h\n"
266 "str q17, [%x[out_ptr], #0x0]\n"
267 "subs x19, x19, #0x1\n"
268 "add v1.8h, v1.8h, v17.8h\n"
269 "add %x[out_ptr], %x[out_ptr], #0x10\n"
270 "beq 10f\n"
271 "zip2 v19.8h, v20.8h, v19.8h\n"
272 "zip2 v16.8h, v25.8h, v18.8h\n"
273 "subs x19, x19, #0x1\n"
274 "zip1 v17.8h, v19.8h, v16.8h\n"
275 "str q17, [%x[out_ptr], #0x0]\n"
276 "add %x[out_ptr], %x[out_ptr], #0x10\n"
277 "add v1.8h, v1.8h, v17.8h\n"
278 "beq 10f\n"
279 "zip2 v16.8h, v19.8h, v16.8h\n"
280 "str q16, [%x[out_ptr], #0x0]\n"
281 "subs x19, x19, #0x1\n"
282 "add v1.8h, v1.8h, v16.8h\n"
283 "add %x[out_ptr], %x[out_ptr], #0x10\n"
284 "beq 10f\n"
285 "zip2 v24.8h, v30.8h, v24.8h\n"
286 "zip2 v20.8h, v28.8h, v21.8h\n"
287 "subs x19, x19, #0x1\n"
288 "zip1 v21.8h, v24.8h, v20.8h\n"
289 "zip2 v23.8h, v29.8h, v23.8h\n"
290 "zip2 v19.8h, v27.8h, v26.8h\n"
291 "zip1 v17.8h, v23.8h, v19.8h\n"
292 "zip1 v16.8h, v21.8h, v17.8h\n"
293 "str q16, [%x[out_ptr], #0x0]\n"
294 "add %x[out_ptr], %x[out_ptr], #0x10\n"
295 "add v1.8h, v1.8h, v16.8h\n"
296 "beq 10f\n"
297 "zip2 v18.8h, v21.8h, v17.8h\n"
298 "str q18, [%x[out_ptr], #0x0]\n"
299 "subs x19, x19, #0x1\n"
300 "add v1.8h, v1.8h, v18.8h\n"
301 "add %x[out_ptr], %x[out_ptr], #0x10\n"
302 "beq 10f\n"
303 "zip2 v20.8h, v24.8h, v20.8h\n"
304 "zip2 v16.8h, v23.8h, v19.8h\n"
305 "zip1 v17.8h, v20.8h, v16.8h\n"
306 "str q17, [%x[out_ptr], #0x0]\n"
307 "add %x[out_ptr], %x[out_ptr], #0x10\n"
308 "add v1.8h, v1.8h, v17.8h\n"
309 "10:" // Odds skip
310 "uaddw v0.4s, v0.4s, v1.4h\n"
311 "str q0, [%x[out_ptr], #0x0]\n"
312 "uaddw2 v31.4s, v31.4s, v1.8h\n"
313 "str q31, [%x[out_ptr], #0x10]\n"
314 "add %x[out_ptr], %x[out_ptr], #0x20\n"
315 : [out_ptr] "+&r" (out_ptr), [width] "+&r" (width)
316 : [first] "r" (first), [height] "r" (height), [in] "r" (in), [row_offset] "r" (row_offset)
317 : "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"
318 );
319 }
320
321
322 #endif // __aarch64__
323