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_2x2(uint16_t * out,const uint16_t * in,size_t width,size_t in_stride,size_t height)31 void a64_transpose_interleave_32_2x2(uint16_t *out, const uint16_t *in, size_t width, size_t in_stride, size_t height)
32 {
33     uint16_t *pad_row = reinterpret_cast<uint16_t *>(alloca(width * sizeof(uint16_t)));
34 
35     if (height % 2) {
36         memset(pad_row, 0, width * sizeof(uint16_t));
37     }
38 
39     size_t out_stride = 32 * roundup<size_t>(height, 2) * sizeof(uint16_t);
40 
41     __asm__ __volatile__(
42       "cmp %x[height], #0x4\n"
43       "blt 12f\n"
44       "1:"  // Main row loop: Head
45       "mov x24, %x[in]\n"
46       "mov x23, %x[width]\n"
47       "add x22, x24, %x[in_stride]\n"
48       "add x21, x22, %x[in_stride]\n"
49       "add x19, x21, %x[in_stride]\n"
50       "cmp x23, #0x40\n"
51       "add %x[in], x19, %x[in_stride]\n"
52       "mov x20, %x[out]\n"
53       "sub %x[height], %x[height], #0x4\n"
54       "blt 3f\n"
55       "2:"  // Main row loop: Unroll column loop
56       "ldr q14, [x24], #0x10\n"
57       "ldr q10, [x22], #0x10\n"
58       "sub x23, x23, #0x40\n"
59       "zip1 v12.8h, v14.8h, v10.8h\n"
60       "ldr q5, [x21], #0x10\n"
61       "ldr q3, [x19], #0x10\n"
62       "zip2 v31.8h, v14.8h, v10.8h\n"
63       "zip1 v19.8h, v5.8h, v3.8h\n"
64       "ldr q27, [x24], #0x10\n"
65       "ldr q25, [x22], #0x10\n"
66       "zip1 v11.8h, v27.8h, v25.8h\n"
67       "zip2 v24.8h, v27.8h, v25.8h\n"
68       "ldr q6, [x21], #0x10\n"
69       "ldr q29, [x19], #0x10\n"
70       "zip2 v15.8h, v5.8h, v3.8h\n"
71       "zip1 v18.8h, v6.8h, v29.8h\n"
72       "ldr q17, [x24], #0x10\n"
73       "ldr q9, [x22], #0x10\n"
74       "zip1 v0.8h, v17.8h, v9.8h\n"
75       "zip2 v9.8h, v17.8h, v9.8h\n"
76       "ldr q21, [x21], #0x10\n"
77       "ldr q20, [x19], #0x10\n"
78       "zip2 v8.8h, v6.8h, v29.8h\n"
79       "zip1 v30.8h, v21.8h, v20.8h\n"
80       "ldr q17, [x24], #0x10\n"
81       "ldr q5, [x22], #0x10\n"
82       "zip1 v13.8h, v17.8h, v5.8h\n"
83       "zip2 v25.8h, v17.8h, v5.8h\n"
84       "ldr q7, [x21], #0x10\n"
85       "ldr q29, [x19], #0x10\n"
86       "zip2 v27.8h, v21.8h, v20.8h\n"
87       "zip1 v14.8h, v7.8h, v29.8h\n"
88       "ldr q28, [x24], #0x10\n"
89       "ldr q17, [x22], #0x10\n"
90       "zip2 v1.8h, v7.8h, v29.8h\n"
91       "cmp x23, #0x40\n"
92       "ldr q10, [x21], #0x10\n"
93       "ldr q21, [x19], #0x10\n"
94       "zip1 v16.8h, v28.8h, v17.8h\n"
95       "zip2 v17.8h, v28.8h, v17.8h\n"
96       "ldr q5, [x24], #0x10\n"
97       "ldr q20, [x22], #0x10\n"
98       "zip1 v3.8h, v5.8h, v20.8h\n"
99       "zip2 v7.8h, v5.8h, v20.8h\n"
100       "ldr q22, [x21], #0x10\n"
101       "ldr q29, [x19], #0x10\n"
102       "zip1 v2.8h, v10.8h, v21.8h\n"
103       "zip2 v5.8h, v10.8h, v21.8h\n"
104       "ldr q21, [x24], #0x10\n"
105       "ldr q20, [x22], #0x10\n"
106       "zip1 v4.8h, v21.8h, v20.8h\n"
107       "zip2 v28.8h, v21.8h, v20.8h\n"
108       "ldr q6, [x21], #0x10\n"
109       "ldr q10, [x19], #0x10\n"
110       "zip1 v26.8h, v22.8h, v29.8h\n"
111       "zip2 v20.8h, v22.8h, v29.8h\n"
112       "ldr q29, [x24], #0x10\n"
113       "ldr q23, [x22], #0x10\n"
114       "zip1 v21.8h, v29.8h, v23.8h\n"
115       "zip2 v23.8h, v29.8h, v23.8h\n"
116       "ldr q22, [x21], #0x10\n"
117       "ldr q29, [x19], #0x10\n"
118       "str q12, [x20, #0x0]\n"
119       "zip1 v12.8h, v6.8h, v10.8h\n"
120       "str q31, [x20, #0x10]\n"
121       "zip2 v6.8h, v6.8h, v10.8h\n"
122       "zip1 v31.8h, v22.8h, v29.8h\n"
123       "str q11, [x20, #0x20]\n"
124       "zip2 v11.8h, v22.8h, v29.8h\n"
125       "str q24, [x20, #0x30]\n"
126       "str q0, [x20, #0x40]\n"
127       "str q9, [x20, #0x50]\n"
128       "str q13, [x20, #0x60]\n"
129       "str q25, [x20, #0x70]\n"
130       "str q19, [x20, #0x80]\n"
131       "str q15, [x20, #0x90]\n"
132       "str q18, [x20, #0xa0]\n"
133       "str q8, [x20, #0xb0]\n"
134       "str q30, [x20, #0xc0]\n"
135       "str q27, [x20, #0xd0]\n"
136       "str q14, [x20, #0xe0]\n"
137       "str q1, [x20, #0xf0]\n"
138       "add x20, x20, %x[out_stride]\n"
139       "str q16, [x20, #0x0]\n"
140       "str q17, [x20, #0x10]\n"
141       "str q3, [x20, #0x20]\n"
142       "str q7, [x20, #0x30]\n"
143       "str q4, [x20, #0x40]\n"
144       "str q28, [x20, #0x50]\n"
145       "str q21, [x20, #0x60]\n"
146       "str q23, [x20, #0x70]\n"
147       "str q2, [x20, #0x80]\n"
148       "str q5, [x20, #0x90]\n"
149       "str q26, [x20, #0xa0]\n"
150       "str q20, [x20, #0xb0]\n"
151       "str q12, [x20, #0xc0]\n"
152       "str q6, [x20, #0xd0]\n"
153       "str q31, [x20, #0xe0]\n"
154       "str q11, [x20, #0xf0]\n"
155       "add x20, x20, %x[out_stride]\n"
156       "bge 2b\n"
157       "3:"  // Main row loop: Unroll column loop skip
158       "cmp x23, #0x20\n"
159       "blt 5f\n"
160       "4:"  // Main row loop: Column loop
161       "ldr q17, [x24], #0x10\n"
162       "ldr q16, [x22], #0x10\n"
163       "sub x23, x23, #0x20\n"
164       "cmp x23, #0x20\n"
165       "ldr q21, [x21], #0x10\n"
166       "ldr q18, [x19], #0x10\n"
167       "zip1 v1.8h, v17.8h, v16.8h\n"
168       "zip2 v0.8h, v17.8h, v16.8h\n"
169       "ldr q17, [x24], #0x10\n"
170       "ldr q16, [x22], #0x10\n"
171       "zip1 v31.8h, v17.8h, v16.8h\n"
172       "zip2 v30.8h, v17.8h, v16.8h\n"
173       "ldr q20, [x21], #0x10\n"
174       "ldr q19, [x19], #0x10\n"
175       "zip1 v29.8h, v21.8h, v18.8h\n"
176       "zip2 v28.8h, v21.8h, v18.8h\n"
177       "ldr q17, [x24], #0x10\n"
178       "ldr q16, [x22], #0x10\n"
179       "zip1 v27.8h, v17.8h, v16.8h\n"
180       "zip2 v26.8h, v17.8h, v16.8h\n"
181       "ldr q25, [x21], #0x10\n"
182       "ldr q18, [x19], #0x10\n"
183       "zip1 v24.8h, v20.8h, v19.8h\n"
184       "zip2 v23.8h, v20.8h, v19.8h\n"
185       "ldr q17, [x24], #0x10\n"
186       "ldr q16, [x22], #0x10\n"
187       "zip1 v22.8h, v17.8h, v16.8h\n"
188       "zip2 v21.8h, v17.8h, v16.8h\n"
189       "ldr q20, [x21], #0x10\n"
190       "ldr q16, [x19], #0x10\n"
191       "zip1 v19.8h, v25.8h, v18.8h\n"
192       "zip2 v18.8h, v25.8h, v18.8h\n"
193       "zip1 v17.8h, v20.8h, v16.8h\n"
194       "zip2 v16.8h, v20.8h, v16.8h\n"
195       "str q1, [x20, #0x0]\n"
196       "str q0, [x20, #0x10]\n"
197       "str q31, [x20, #0x20]\n"
198       "str q30, [x20, #0x30]\n"
199       "str q27, [x20, #0x40]\n"
200       "str q26, [x20, #0x50]\n"
201       "str q22, [x20, #0x60]\n"
202       "str q21, [x20, #0x70]\n"
203       "str q29, [x20, #0x80]\n"
204       "str q28, [x20, #0x90]\n"
205       "str q24, [x20, #0xa0]\n"
206       "str q23, [x20, #0xb0]\n"
207       "str q19, [x20, #0xc0]\n"
208       "str q18, [x20, #0xd0]\n"
209       "str q17, [x20, #0xe0]\n"
210       "str q16, [x20, #0xf0]\n"
211       "add x20, x20, %x[out_stride]\n"
212       "bge 4b\n"
213       "5:"  // Main row loop: Column loop skip
214       "cmp x23, #0x10\n"
215       "blt 7f\n"
216       "6:"  // Main row loop: width 16 loop: loop
217       "ldr q17, [x24], #0x10\n"
218       "ldr q16, [x22], #0x10\n"
219       "sub x23, x23, #0x10\n"
220       "cmp x23, #0x10\n"
221       "ldr q24, [x21], #0x10\n"
222       "ldr q23, [x19], #0x10\n"
223       "zip1 v19.8h, v17.8h, v16.8h\n"
224       "zip2 v18.8h, v17.8h, v16.8h\n"
225       "ldr q17, [x24], #0x10\n"
226       "ldr q16, [x22], #0x10\n"
227       "zip1 v22.8h, v17.8h, v16.8h\n"
228       "zip2 v21.8h, v17.8h, v16.8h\n"
229       "ldr q20, [x21], #0x10\n"
230       "ldr q16, [x19], #0x10\n"
231       "str q19, [x20, #0x0]\n"
232       "zip1 v19.8h, v24.8h, v23.8h\n"
233       "str q18, [x20, #0x10]\n"
234       "zip2 v18.8h, v24.8h, v23.8h\n"
235       "zip1 v17.8h, v20.8h, v16.8h\n"
236       "str q22, [x20, #0x20]\n"
237       "zip2 v16.8h, v20.8h, v16.8h\n"
238       "str q21, [x20, #0x30]\n"
239       "str q19, [x20, #0x80]\n"
240       "str q18, [x20, #0x90]\n"
241       "str q17, [x20, #0xa0]\n"
242       "str q16, [x20, #0xb0]\n"
243       "add x20, x20, #0x40\n"
244       "bge 6b\n"
245       "7:"  // Main row loop: width 16 loop: skip
246       "cmp x23, #0x4\n"
247       "blt 9f\n"
248       "8:"  // Main row loop: width 4 loop: loop
249       "ldr d19, [x24], #0x8\n"
250       "ldr d16, [x22], #0x8\n"
251       "sub x23, x23, #0x4\n"
252       "cmp x23, #0x4\n"
253       "ldr d18, [x21], #0x8\n"
254       "ldr d17, [x19], #0x8\n"
255       "zip1 v16.8h, v19.8h, v16.8h\n"
256       "str q16, [x20, #0x0]\n"
257       "zip1 v16.8h, v18.8h, v17.8h\n"
258       "str q16, [x20, #0x80]\n"
259       "add x20, x20, #0x10\n"
260       "bge 8b\n"
261       "9:"  // Main row loop: width 4 loop: skip
262       "cmp x23, #0x1\n"
263       "blt 11f\n"
264       "10:"  // Main row loop: width 1 loop: loop
265       "ldr h19, [x24], #0x2\n"
266       "ldr h16, [x22], #0x2\n"
267       "sub x23, x23, #0x1\n"
268       "cmp x23, #0x1\n"
269       "ldr h18, [x21], #0x2\n"
270       "ldr h17, [x19], #0x2\n"
271       "zip1 v16.8h, v19.8h, v16.8h\n"
272       "str s16, [x20, #0x0]\n"
273       "zip1 v16.8h, v18.8h, v17.8h\n"
274       "str s16, [x20, #0x80]\n"
275       "add x20, x20, #0x4\n"
276       "bge 10b\n"
277       "11:"  // Main row loop: width 1 loop: skip
278       "cmp %x[height], #0x4\n"
279       "add %x[out], %x[out], #0x100\n"
280       "bge 1b\n"
281       "cbz %x[height], 24f\n"
282       "12:"  // Main loop skip
283 
284       "13:"  // Tail row loop: Head
285       "mov x24, %x[in]\n"
286       "mov x19, %x[width]\n"
287       "add x22, x24, %x[in_stride]\n"
288       "cmp %x[height], #0x1\n"
289       "add %x[in], x22, %x[in_stride]\n"
290       "csel x22, x22, %x[pad_row], GT\n"
291       "cmp x19, #0x40\n"
292       "mov x20, %x[out]\n"
293       "sub %x[height], %x[height], #0x2\n"
294       "blt 15f\n"
295       "14:"  // Tail row loop: Unroll column loop
296       "ldr q18, [x24], #0x10\n"
297       "ldr q17, [x22], #0x10\n"
298       "sub x19, x19, #0x40\n"
299       "zip1 v0.8h, v18.8h, v17.8h\n"
300       "ldr q19, [x24], #0x10\n"
301       "ldr q16, [x22], #0x10\n"
302       "zip2 v31.8h, v18.8h, v17.8h\n"
303       "zip1 v30.8h, v19.8h, v16.8h\n"
304       "ldr q18, [x24], #0x10\n"
305       "ldr q17, [x22], #0x10\n"
306       "zip2 v29.8h, v19.8h, v16.8h\n"
307       "zip1 v28.8h, v18.8h, v17.8h\n"
308       "ldr q19, [x24], #0x10\n"
309       "ldr q16, [x22], #0x10\n"
310       "zip2 v27.8h, v18.8h, v17.8h\n"
311       "zip1 v26.8h, v19.8h, v16.8h\n"
312       "ldr q18, [x24], #0x10\n"
313       "ldr q17, [x22], #0x10\n"
314       "zip2 v25.8h, v19.8h, v16.8h\n"
315       "cmp x19, #0x40\n"
316       "ldr q19, [x24], #0x10\n"
317       "ldr q16, [x22], #0x10\n"
318       "zip1 v24.8h, v18.8h, v17.8h\n"
319       "zip2 v23.8h, v18.8h, v17.8h\n"
320       "ldr q18, [x24], #0x10\n"
321       "ldr q17, [x22], #0x10\n"
322       "zip1 v22.8h, v19.8h, v16.8h\n"
323       "zip2 v21.8h, v19.8h, v16.8h\n"
324       "ldr q20, [x24], #0x10\n"
325       "ldr q16, [x22], #0x10\n"
326       "str q0, [x20, #0x0]\n"
327       "zip1 v19.8h, v18.8h, v17.8h\n"
328       "str q31, [x20, #0x10]\n"
329       "zip2 v18.8h, v18.8h, v17.8h\n"
330       "zip1 v17.8h, v20.8h, v16.8h\n"
331       "str q30, [x20, #0x20]\n"
332       "zip2 v16.8h, v20.8h, v16.8h\n"
333       "str q29, [x20, #0x30]\n"
334       "str q28, [x20, #0x40]\n"
335       "str q27, [x20, #0x50]\n"
336       "str q26, [x20, #0x60]\n"
337       "str q25, [x20, #0x70]\n"
338       "add x20, x20, %x[out_stride]\n"
339       "str q24, [x20, #0x0]\n"
340       "str q23, [x20, #0x10]\n"
341       "str q22, [x20, #0x20]\n"
342       "str q21, [x20, #0x30]\n"
343       "str q19, [x20, #0x40]\n"
344       "str q18, [x20, #0x50]\n"
345       "str q17, [x20, #0x60]\n"
346       "str q16, [x20, #0x70]\n"
347       "add x20, x20, %x[out_stride]\n"
348       "bge 14b\n"
349       "15:"  // Tail row loop: Unroll column loop skip
350       "cmp x19, #0x20\n"
351       "blt 17f\n"
352       "16:"  // Tail row loop: Column loop
353       "ldr q18, [x24], #0x10\n"
354       "ldr q17, [x22], #0x10\n"
355       "sub x19, x19, #0x20\n"
356       "cmp x19, #0x20\n"
357       "ldr q19, [x24], #0x10\n"
358       "ldr q16, [x22], #0x10\n"
359       "zip1 v24.8h, v18.8h, v17.8h\n"
360       "zip2 v23.8h, v18.8h, v17.8h\n"
361       "ldr q18, [x24], #0x10\n"
362       "ldr q17, [x22], #0x10\n"
363       "zip1 v22.8h, v19.8h, v16.8h\n"
364       "zip2 v21.8h, v19.8h, v16.8h\n"
365       "ldr q20, [x24], #0x10\n"
366       "ldr q16, [x22], #0x10\n"
367       "zip1 v19.8h, v18.8h, v17.8h\n"
368       "zip2 v18.8h, v18.8h, v17.8h\n"
369       "zip1 v17.8h, v20.8h, v16.8h\n"
370       "zip2 v16.8h, v20.8h, v16.8h\n"
371       "str q24, [x20, #0x0]\n"
372       "str q23, [x20, #0x10]\n"
373       "str q22, [x20, #0x20]\n"
374       "str q21, [x20, #0x30]\n"
375       "str q19, [x20, #0x40]\n"
376       "str q18, [x20, #0x50]\n"
377       "str q17, [x20, #0x60]\n"
378       "str q16, [x20, #0x70]\n"
379       "add x20, x20, %x[out_stride]\n"
380       "bge 16b\n"
381       "17:"  // Tail row loop: Column loop skip
382       "cmp x19, #0x10\n"
383       "blt 19f\n"
384       "18:"  // Tail row loop: width 16 loop: loop
385       "ldr q18, [x24], #0x10\n"
386       "ldr q17, [x22], #0x10\n"
387       "sub x19, x19, #0x10\n"
388       "cmp x19, #0x10\n"
389       "ldr q20, [x24], #0x10\n"
390       "ldr q16, [x22], #0x10\n"
391       "zip1 v19.8h, v18.8h, v17.8h\n"
392       "zip2 v18.8h, v18.8h, v17.8h\n"
393       "zip1 v17.8h, v20.8h, v16.8h\n"
394       "zip2 v16.8h, v20.8h, v16.8h\n"
395       "str q19, [x20, #0x0]\n"
396       "str q18, [x20, #0x10]\n"
397       "str q17, [x20, #0x20]\n"
398       "str q16, [x20, #0x30]\n"
399       "add x20, x20, #0x40\n"
400       "bge 18b\n"
401       "19:"  // Tail row loop: width 16 loop: skip
402       "cmp x19, #0x4\n"
403       "blt 21f\n"
404       "20:"  // Tail row loop: width 4 loop: loop
405       "ldr d17, [x24], #0x8\n"
406       "ldr d16, [x22], #0x8\n"
407       "sub x19, x19, #0x4\n"
408       "cmp x19, #0x4\n"
409       "zip1 v16.8h, v17.8h, v16.8h\n"
410       "str q16, [x20, #0x0]\n"
411       "add x20, x20, #0x10\n"
412       "bge 20b\n"
413       "21:"  // Tail row loop: width 4 loop: skip
414       "cmp x19, #0x1\n"
415       "blt 23f\n"
416       "22:"  // Tail row loop: width 1 loop: loop
417       "ldr h17, [x24], #0x2\n"
418       "ldr h16, [x22], #0x2\n"
419       "sub x19, x19, #0x1\n"
420       "cmp x19, #0x1\n"
421       "zip1 v16.8h, v17.8h, v16.8h\n"
422       "str s16, [x20, #0x0]\n"
423       "add x20, x20, #0x4\n"
424       "bge 22b\n"
425       "23:"  // Tail row loop: width 1 loop: skip
426       "cmp %x[height], #0x1\n"
427       "add %x[out], %x[out], #0x80\n"
428       "bge 13b\n"
429       "24:"  // Done
430 
431       : [height] "+&r" (height), [in] "+&r" (in), [out] "+&r" (out)
432       : [in_stride] "r" (in_stride), [out_stride] "r" (out_stride), [pad_row] "r" (pad_row), [width] "r" (width)
433       : "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", "x19", "x20", "x21", "x22", "x23", "x24"
434     );
435 }
436 
437 } // anonymous namespace
438 
439 template<>
Transform(bfloat16 * out,const bfloat16 * in,int stride,int x0,int xmax,int k0,int kmax)440 void Transform<32, 2, true, VLType::None>(
441     bfloat16 *out, const bfloat16 *in, int stride, int x0, int xmax, int k0, int kmax)
442 {
443     a64_transpose_interleave_32_2x2(
444         reinterpret_cast<uint16_t *>(out),
445         reinterpret_cast<const uint16_t *>(in + k0 * stride + x0),
446         (xmax-x0) * sizeof(bfloat16) / 2,
447         stride * sizeof(bfloat16),
448         (kmax-k0)
449     );
450 }
451 
452 #endif
453