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_12_2x2(uint16_t * out,const uint16_t * in,size_t width,size_t in_stride,size_t height)31 void a64_transpose_interleave_12_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 = 12 * roundup<size_t>(height, 2) * sizeof(uint16_t);
40 
41     __asm__ __volatile__(
42       "cmp %x[height], #0x8\n"
43       "blt 10f\n"
44       "1:"  // Main row loop: Head
45       "mov x28, %x[in]\n"
46       "mov x27, %x[out]\n"
47       "add x26, x28, %x[in_stride]\n"
48       "add x25, x26, %x[in_stride]\n"
49       "add x24, x25, %x[in_stride]\n"
50       "add x23, x24, %x[in_stride]\n"
51       "add x22, x23, %x[in_stride]\n"
52       "add x21, x22, %x[in_stride]\n"
53       "add x20, x21, %x[in_stride]\n"
54       "add %x[in], x20, %x[in_stride]\n"
55       "sub %x[height], %x[height], #0x8\n"
56       "mov x19, %x[width]\n"
57       "cmp x19, #0x18\n"
58       "blt 3f\n"
59       "2:"  // Main row loop: Unroll column loop
60       "ldr q17, [x28], #0x10\n"
61       "sub x19, x19, #0x18\n"
62       "ldr q16, [x26], #0x10\n"
63       "zip1 v9.8h, v17.8h, v16.8h\n"
64       "ldr q19, [x28], #0x10\n"
65       "cmp x19, #0x18\n"
66       "zip2 v8.8h, v17.8h, v16.8h\n"
67       "ldr q16, [x26], #0x10\n"
68       "ldr q18, [x25], #0x10\n"
69       "zip1 v7.8h, v19.8h, v16.8h\n"
70       "ldr q17, [x28], #0x10\n"
71       "zip2 v6.8h, v19.8h, v16.8h\n"
72       "ldr q16, [x26], #0x10\n"
73       "ldr q20, [x25], #0x10\n"
74       "zip1 v5.8h, v17.8h, v16.8h\n"
75       "ldr q22, [x25], #0x10\n"
76       "zip2 v4.8h, v17.8h, v16.8h\n"
77       "ldr q16, [x24], #0x10\n"
78       "ldr q19, [x23], #0x10\n"
79       "zip1 v3.8h, v18.8h, v16.8h\n"
80       "ldr q17, [x24], #0x10\n"
81       "zip2 v2.8h, v18.8h, v16.8h\n"
82       "ldr q21, [x23], #0x10\n"
83       "ldr q18, [x22], #0x10\n"
84       "zip1 v1.8h, v20.8h, v17.8h\n"
85       "ldr q16, [x24], #0x10\n"
86       "zip2 v0.8h, v20.8h, v17.8h\n"
87       "ldr q31, [x23], #0x10\n"
88       "zip1 v30.8h, v19.8h, v18.8h\n"
89       "ldr q17, [x22], #0x10\n"
90       "zip2 v29.8h, v19.8h, v18.8h\n"
91       "ldr q20, [x21], #0x10\n"
92       "ldr q19, [x20], #0x10\n"
93       "zip1 v28.8h, v22.8h, v16.8h\n"
94       "zip2 v27.8h, v22.8h, v16.8h\n"
95       "ldr q16, [x22], #0x10\n"
96       "zip1 v26.8h, v21.8h, v17.8h\n"
97       "zip2 v25.8h, v21.8h, v17.8h\n"
98       "ldr q18, [x21], #0x10\n"
99       "zip1 v24.8h, v20.8h, v19.8h\n"
100       "ldr q17, [x20], #0x10\n"
101       "zip2 v23.8h, v20.8h, v19.8h\n"
102       "ldr q22, [x21], #0x10\n"
103       "zip1 v21.8h, v31.8h, v16.8h\n"
104       "zip2 v20.8h, v31.8h, v16.8h\n"
105       "ldr q16, [x20], #0x10\n"
106       "zip1 v19.8h, v18.8h, v17.8h\n"
107       "str q9, [x27, #0x0]\n"
108       "zip2 v18.8h, v18.8h, v17.8h\n"
109       "str q8, [x27, #0x10]\n"
110       "str q7, [x27, #0x20]\n"
111       "zip1 v17.8h, v22.8h, v16.8h\n"
112       "str q3, [x27, #0x30]\n"
113       "zip2 v16.8h, v22.8h, v16.8h\n"
114       "str q2, [x27, #0x40]\n"
115       "str q1, [x27, #0x50]\n"
116       "str q30, [x27, #0x60]\n"
117       "str q29, [x27, #0x70]\n"
118       "str q26, [x27, #0x80]\n"
119       "str q24, [x27, #0x90]\n"
120       "str q23, [x27, #0xa0]\n"
121       "str q19, [x27, #0xb0]\n"
122       "add x27, x27, %x[out_stride]\n"
123       "str q6, [x27, #0x0]\n"
124       "str q5, [x27, #0x10]\n"
125       "str q4, [x27, #0x20]\n"
126       "str q0, [x27, #0x30]\n"
127       "str q28, [x27, #0x40]\n"
128       "str q27, [x27, #0x50]\n"
129       "str q25, [x27, #0x60]\n"
130       "str q21, [x27, #0x70]\n"
131       "str q20, [x27, #0x80]\n"
132       "str q18, [x27, #0x90]\n"
133       "str q17, [x27, #0xa0]\n"
134       "str q16, [x27, #0xb0]\n"
135       "add x27, x27, %x[out_stride]\n"
136       "bge 2b\n"
137       "3:"  // Main row loop: Unroll column loop skip
138       "cmp x19, #0xc\n"
139       "blt 5f\n"
140       "4:"  // Main row loop: Column loop
141       "ldr q18, [x28], #0x10\n"
142       "sub x19, x19, #0xc\n"
143       "ldr q16, [x26], #0x10\n"
144       "zip1 v29.8h, v18.8h, v16.8h\n"
145       "ldr d17, [x28], #0x8\n"
146       "cmp x19, #0xc\n"
147       "zip2 v28.8h, v18.8h, v16.8h\n"
148       "ldr d16, [x26], #0x8\n"
149       "ldr q19, [x25], #0x10\n"
150       "zip1 v27.8h, v17.8h, v16.8h\n"
151       "ldr d18, [x25], #0x8\n"
152       "ldr q17, [x24], #0x10\n"
153       "zip1 v26.8h, v19.8h, v17.8h\n"
154       "ldr d16, [x24], #0x8\n"
155       "zip2 v25.8h, v19.8h, v17.8h\n"
156       "ldr q19, [x23], #0x10\n"
157       "ldr q17, [x22], #0x10\n"
158       "zip1 v24.8h, v18.8h, v16.8h\n"
159       "ldr q18, [x21], #0x10\n"
160       "ldr q16, [x20], #0x10\n"
161       "zip1 v23.8h, v19.8h, v17.8h\n"
162       "zip2 v22.8h, v19.8h, v17.8h\n"
163       "ldr d21, [x23], #0x8\n"
164       "ldr d17, [x22], #0x8\n"
165       "zip1 v20.8h, v18.8h, v16.8h\n"
166       "ldr d19, [x21], #0x8\n"
167       "zip2 v18.8h, v18.8h, v16.8h\n"
168       "ldr d16, [x20], #0x8\n"
169       "str q29, [x27, #0x0]\n"
170       "zip1 v17.8h, v21.8h, v17.8h\n"
171       "str q28, [x27, #0x10]\n"
172       "zip1 v16.8h, v19.8h, v16.8h\n"
173       "str q27, [x27, #0x20]\n"
174       "str q26, [x27, #0x30]\n"
175       "str q25, [x27, #0x40]\n"
176       "str q24, [x27, #0x50]\n"
177       "str q23, [x27, #0x60]\n"
178       "str q22, [x27, #0x70]\n"
179       "str q17, [x27, #0x80]\n"
180       "str q20, [x27, #0x90]\n"
181       "str q18, [x27, #0xa0]\n"
182       "str q16, [x27, #0xb0]\n"
183       "add x27, x27, %x[out_stride]\n"
184       "bge 4b\n"
185       "5:"  // Main row loop: Column loop skip
186       "cmp x19, #0x4\n"
187       "blt 7f\n"
188       "6:"  // Main row loop: width 4 loop: loop
189       "ldr d17, [x28], #0x8\n"
190       "sub x19, x19, #0x4\n"
191       "ldr d16, [x26], #0x8\n"
192       "zip1 v20.8h, v17.8h, v16.8h\n"
193       "ldr d17, [x25], #0x8\n"
194       "cmp x19, #0x4\n"
195       "ldr d16, [x24], #0x8\n"
196       "zip1 v19.8h, v17.8h, v16.8h\n"
197       "ldr d17, [x23], #0x8\n"
198       "ldr d16, [x22], #0x8\n"
199       "zip1 v18.8h, v17.8h, v16.8h\n"
200       "ldr d17, [x21], #0x8\n"
201       "ldr d16, [x20], #0x8\n"
202       "zip1 v16.8h, v17.8h, v16.8h\n"
203       "str q20, [x27, #0x0]\n"
204       "str q19, [x27, #0x30]\n"
205       "str q18, [x27, #0x60]\n"
206       "str q16, [x27, #0x90]\n"
207       "add x27, x27, #0x10\n"
208       "bge 6b\n"
209       "7:"  // Main row loop: width 4 loop: skip
210       "cmp x19, #0x1\n"
211       "blt 9f\n"
212       "8:"  // Main row loop: width 1 loop: loop
213       "ldr h17, [x28], #0x2\n"
214       "sub x19, x19, #0x1\n"
215       "ldr h16, [x26], #0x2\n"
216       "zip1 v20.8h, v17.8h, v16.8h\n"
217       "ldr h17, [x25], #0x2\n"
218       "cmp x19, #0x1\n"
219       "ldr h16, [x24], #0x2\n"
220       "zip1 v19.8h, v17.8h, v16.8h\n"
221       "ldr h17, [x23], #0x2\n"
222       "ldr h16, [x22], #0x2\n"
223       "zip1 v18.8h, v17.8h, v16.8h\n"
224       "ldr h17, [x21], #0x2\n"
225       "ldr h16, [x20], #0x2\n"
226       "zip1 v16.8h, v17.8h, v16.8h\n"
227       "str s20, [x27, #0x0]\n"
228       "str s19, [x27, #0x30]\n"
229       "str s18, [x27, #0x60]\n"
230       "str s16, [x27, #0x90]\n"
231       "add x27, x27, #0x4\n"
232       "bge 8b\n"
233       "9:"  // Main row loop: width 1 loop: skip
234       "add %x[out], %x[out], #0xc0\n"
235       "cmp %x[height], #0x8\n"
236       "bge 1b\n"
237       "cbz %x[height], 20f\n"
238       "10:"  // Main loop skip
239 
240       "11:"  // Tail row loop: Head
241       "mov x28, %x[in]\n"
242       "mov x27, %x[out]\n"
243       "add x26, x28, %x[in_stride]\n"
244       "add %x[in], x26, %x[in_stride]\n"
245       "cmp %x[height], #0x1\n"
246       "csel x26, x26, %x[pad_row], GT\n"
247       "sub %x[height], %x[height], #0x2\n"
248       "mov x19, %x[width]\n"
249       "cmp x19, #0x18\n"
250       "blt 13f\n"
251       "12:"  // Tail row loop: Unroll column loop
252       "ldr q17, [x28], #0x10\n"
253       "sub x19, x19, #0x18\n"
254       "ldr q16, [x26], #0x10\n"
255       "zip1 v22.8h, v17.8h, v16.8h\n"
256       "ldr q18, [x28], #0x10\n"
257       "cmp x19, #0x18\n"
258       "zip2 v21.8h, v17.8h, v16.8h\n"
259       "ldr q17, [x26], #0x10\n"
260       "ldr q20, [x28], #0x10\n"
261       "zip1 v19.8h, v18.8h, v17.8h\n"
262       "ldr q16, [x26], #0x10\n"
263       "zip2 v18.8h, v18.8h, v17.8h\n"
264       "str q22, [x27, #0x0]\n"
265       "str q21, [x27, #0x10]\n"
266       "zip1 v17.8h, v20.8h, v16.8h\n"
267       "str q19, [x27, #0x20]\n"
268       "add x27, x27, %x[out_stride]\n"
269       "zip2 v16.8h, v20.8h, v16.8h\n"
270       "str q18, [x27, #0x0]\n"
271       "str q17, [x27, #0x10]\n"
272       "str q16, [x27, #0x20]\n"
273       "add x27, x27, %x[out_stride]\n"
274       "bge 12b\n"
275       "13:"  // Tail row loop: Unroll column loop skip
276       "cmp x19, #0xc\n"
277       "blt 15f\n"
278       "14:"  // Tail row loop: Column loop
279       "ldr q17, [x28], #0x10\n"
280       "sub x19, x19, #0xc\n"
281       "ldr q16, [x26], #0x10\n"
282       "zip1 v19.8h, v17.8h, v16.8h\n"
283       "ldr d18, [x28], #0x8\n"
284       "cmp x19, #0xc\n"
285       "zip2 v17.8h, v17.8h, v16.8h\n"
286       "ldr d16, [x26], #0x8\n"
287       "str q19, [x27, #0x0]\n"
288       "zip1 v16.8h, v18.8h, v16.8h\n"
289       "str q17, [x27, #0x10]\n"
290       "str q16, [x27, #0x20]\n"
291       "add x27, x27, %x[out_stride]\n"
292       "bge 14b\n"
293       "15:"  // Tail row loop: Column loop skip
294       "cmp x19, #0x4\n"
295       "blt 17f\n"
296       "16:"  // Tail row loop: width 4 loop: loop
297       "ldr d17, [x28], #0x8\n"
298       "sub x19, x19, #0x4\n"
299       "ldr d16, [x26], #0x8\n"
300       "zip1 v16.8h, v17.8h, v16.8h\n"
301       "str q16, [x27, #0x0]\n"
302       "add x27, x27, #0x10\n"
303       "cmp x19, #0x4\n"
304       "bge 16b\n"
305       "17:"  // Tail row loop: width 4 loop: skip
306       "cmp x19, #0x1\n"
307       "blt 19f\n"
308       "18:"  // Tail row loop: width 1 loop: loop
309       "ldr h17, [x28], #0x2\n"
310       "sub x19, x19, #0x1\n"
311       "ldr h16, [x26], #0x2\n"
312       "zip1 v16.8h, v17.8h, v16.8h\n"
313       "str s16, [x27, #0x0]\n"
314       "add x27, x27, #0x4\n"
315       "cmp x19, #0x1\n"
316       "bge 18b\n"
317       "19:"  // Tail row loop: width 1 loop: skip
318       "add %x[out], %x[out], #0x30\n"
319       "cmp %x[height], #0x1\n"
320       "bge 11b\n"
321       "20:"  // Done
322 
323       : [height] "+&r" (height), [in] "+&r" (in), [out] "+&r" (out)
324       : [in_stride] "r" (in_stride), [out_stride] "r" (out_stride), [pad_row] "r" (pad_row), [width] "r" (width)
325       : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v8", "v9", "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", "x28"
326     );
327 }
328 
329 } // anonymous namespace
330 
331 template<>
Transform(bfloat16 * out,const bfloat16 * in,int stride,int x0,int xmax,int k0,int kmax)332 void Transform<12, 2, true, VLType::None>(
333     bfloat16 *out, const bfloat16 *in, int stride, int x0, int xmax, int k0, int kmax)
334 {
335     a64_transpose_interleave_12_2x2(
336         reinterpret_cast<uint16_t *>(out),
337         reinterpret_cast<const uint16_t *>(in + k0 * stride + x0),
338         (xmax-x0) * sizeof(bfloat16) / 2,
339         stride * sizeof(bfloat16),
340         (kmax-k0)
341     );
342 }
343 
344 #endif
345