1 /*
2  * Copyright (c) 2022 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 #if defined(__ARM_FEATURE_SVE)
26 
27 template <>
interleave_block(float * & out,const float * const * in,size_t width,size_t height,size_t row_offset,bool first)28 void interleave_block<2, 1, VLType::SME, false>(
29   float * &out, const float * const *in,
30   size_t width, size_t height, size_t row_offset, bool first
31 )
32 {
33   ARM_COMPUTE_UNUSED(first);
34 
35   __asm__ __volatile__(
36       ".inst 0xd503477f  // SMSTART ZA\n"
37       "cntw x16\n"
38       "cntw x15, ALL, MUL #2\n"
39       "cntw x14, ALL, MUL #3\n"
40       "mov x19, %x[width]\n"
41       "incw x19\n"
42       "sub x19, x19, #0x1\n"
43       "udiv x19, x19, x16\n" // n_passes = ceildiv(width, VL<T>)
44       "sub x13, x19, #0x1\n"
45       "lsr x13, x13, #0x1\n" // n_loops = (n_passes - 1) / 2
46       "and x11, x19, #0x1\n" // odd_tail = bool(n_passes & 0x1)
47       "mov x19, %x[width]\n"
48       "sub x10, x16, #0x1\n"
49       "ands x10, x19, x10\n"
50       "csel x10, x10, x16, NE\n"
51       "sub x9, x16, #0x2\n"
52       "ptrue p13.s\n"
53       "whilelt p12.s, XZR, %x[height]\n"
54       "whilelt p11.s, x16, %x[height]\n"
55       "mov x28, %x[row_offset]\n"
56       "mov x27, %x[out]\n"
57       "mov x26, #0x0\n"
58       "whilelt p10.s, x26, %x[width]\n"
59       "whilelt p9.s, x26, %x[width]\n"
60       "whilelt p8.s, x26, %x[width]\n"
61       "mov x25, %x[in]\n"
62       "add x24, %x[in], x16, LSL #3\n"
63       "ldr x23, [x25, #0x0]\n"
64       "ldr x22, [x24, #0x0]\n"
65       "ldr x21, [x25, #0x8]\n"
66       "ldr x20, [x24, #0x8]\n"
67       "add x25, x25, #0x10\n"
68       "add x24, x24, #0x10\n"
69       "mov x12, #0x0\n"
70       "cbz x9, 2f\n"
71       "1:"  // K loop: Charge: Loop
72       ".inst 0x25306580  // dup p0.s, p9.s/Z, p12.s[w12]\n"
73       ".inst 0xe09c02e0  // ld1w { za0h.s[x12] }, p0/Z, [x23, x28, LSL #2]\n"
74       ".inst 0x25306160  // dup p0.s, p8.s/Z, p11.s[w12]\n"
75       ".inst 0xe09c02c4  // ld1w { za1h.s[x12] }, p0/Z, [x22, x28, LSL #2]\n"
76       ".inst 0x25706580  // dup p0.s, p9.s/Z, p12.s[w12, #1]\n"
77       ".inst 0xe09c02a1  // ld1w { za0h.s[x12, #1] }, p0/Z, [x21, x28, LSL #2]\n"
78       ".inst 0x25706160  // dup p0.s, p8.s/Z, p11.s[w12, #1]\n"
79       ".inst 0xe09c0285  // ld1w { za1h.s[x12, #1] }, p0/Z, [x20, x28, LSL #2]\n"
80       "ldr x23, [x25, #0x0]\n"
81       "ldr x22, [x24, #0x0]\n"
82       "ldr x21, [x25, #0x8]\n"
83       "ldr x20, [x24, #0x8]\n"
84       "add x25, x25, #0x10\n"
85       "add x24, x24, #0x10\n"
86       "add x12, x12, #0x2\n"
87       "cmp x12, x9\n"
88       "blt 1b\n"
89       "2:"  // K loop: Charge: End
90       ".inst 0x25306580  // dup p0.s, p9.s/Z, p12.s[w12]\n"
91       ".inst 0xe09c02e0  // ld1w { za0h.s[x12] }, p0/Z, [x23, x28, LSL #2]\n"
92       ".inst 0x25306160  // dup p0.s, p8.s/Z, p11.s[w12]\n"
93       ".inst 0xe09c02c4  // ld1w { za1h.s[x12] }, p0/Z, [x22, x28, LSL #2]\n"
94       ".inst 0x25706580  // dup p0.s, p9.s/Z, p12.s[w12, #1]\n"
95       ".inst 0xe09c02a1  // ld1w { za0h.s[x12, #1] }, p0/Z, [x21, x28, LSL #2]\n"
96       ".inst 0x25706160  // dup p0.s, p8.s/Z, p11.s[w12, #1]\n"
97       ".inst 0xe09c0285  // ld1w { za1h.s[x12, #1] }, p0/Z, [x20, x28, LSL #2]\n"
98       "mov x25, %x[in]\n"
99       "add x24, %x[in], x16, LSL #3\n"
100       "ldr x23, [x25, #0x0]\n"
101       "ldr x22, [x24, #0x0]\n"
102       "ldr x21, [x25, #0x8]\n"
103       "ldr x20, [x24, #0x8]\n"
104       "add x25, x25, #0x10\n"
105       "add x24, x24, #0x10\n"
106       "incw x28\n"
107       "incw x26\n"
108       "cbz x13, 8f\n"
109       "mov x19, x13\n"
110       "3:"  // K loop: Main loop
111       "whilelt p9.s, x26, %x[width]\n"
112       "whilelt p8.s, x26, %x[width]\n"
113       "mov x12, #0x0\n"
114       "cbz x9, 5f\n"
115       "4:"  // K loop: Main loop: First: Loop
116       ".inst 0x25306580  // dup p0.s, p9.s/Z, p12.s[w12]\n"
117       ".inst 0xe09c02e8  // ld1w { za2h.s[x12] }, p0/Z, [x23, x28, LSL #2]\n"
118       ".inst 0x25306160  // dup p0.s, p8.s/Z, p11.s[w12]\n"
119       ".inst 0xe09c02cc  // ld1w { za3h.s[x12] }, p0/Z, [x22, x28, LSL #2]\n"
120       ".inst 0x25706580  // dup p0.s, p9.s/Z, p12.s[w12, #1]\n"
121       ".inst 0xe09c02a9  // ld1w { za2h.s[x12, #1] }, p0/Z, [x21, x28, LSL #2]\n"
122       ".inst 0x25706160  // dup p0.s, p8.s/Z, p11.s[w12, #1]\n"
123       ".inst 0xe09c028d  // ld1w { za3h.s[x12, #1] }, p0/Z, [x20, x28, LSL #2]\n"
124       "ldr x23, [x25, #0x0]\n"
125       "ldr x22, [x24, #0x0]\n"
126       "ldr x21, [x25, #0x8]\n"
127       "ldr x20, [x24, #0x8]\n"
128       "add x25, x25, #0x10\n"
129       "add x24, x24, #0x10\n"
130       ".inst 0x25307540  // dup p0.s, p13.s/Z, p10.s[w12]\n"
131       ".inst 0xe0bf8360  // st1w { za0v.s[x12] }, p0/Z, [x27, XZR, LSL #2]\n"
132       ".inst 0x25307540  // dup p0.s, p13.s/Z, p10.s[w12]\n"
133       ".inst 0x25707541  // dup p1.s, p13.s/Z, p10.s[w12, #1]\n"
134       ".inst 0xe0b08364  // st1w { za1v.s[x12] }, p0/Z, [x27, x16, LSL #2]\n"
135       ".inst 0x25707540  // dup p0.s, p13.s/Z, p10.s[w12, #1]\n"
136       ".inst 0xe0af8761  // st1w { za0v.s[x12, #1] }, p1/Z, [x27, x15, LSL #2]\n"
137       ".inst 0xe0ae8365  // st1w { za1v.s[x12, #1] }, p0/Z, [x27, x14, LSL #2]\n"
138       "addvl x27, x27, #4\n"
139       "add x12, x12, #0x2\n"
140       "cmp x12, x9\n"
141       "blt 4b\n"
142       "5:"  // K loop: Main loop: First: Tail
143       "mov x25, %x[in]\n"
144       "add x24, %x[in], x16, LSL #3\n"
145       ".inst 0x25306580  // dup p0.s, p9.s/Z, p12.s[w12]\n"
146       ".inst 0xe09c02e8  // ld1w { za2h.s[x12] }, p0/Z, [x23, x28, LSL #2]\n"
147       ".inst 0x25306160  // dup p0.s, p8.s/Z, p11.s[w12]\n"
148       ".inst 0xe09c02cc  // ld1w { za3h.s[x12] }, p0/Z, [x22, x28, LSL #2]\n"
149       ".inst 0x25706580  // dup p0.s, p9.s/Z, p12.s[w12, #1]\n"
150       ".inst 0xe09c02a9  // ld1w { za2h.s[x12, #1] }, p0/Z, [x21, x28, LSL #2]\n"
151       ".inst 0x25706160  // dup p0.s, p8.s/Z, p11.s[w12, #1]\n"
152       ".inst 0xe09c028d  // ld1w { za3h.s[x12, #1] }, p0/Z, [x20, x28, LSL #2]\n"
153       "ldr x23, [x25, #0x0]\n"
154       "ldr x22, [x24, #0x0]\n"
155       "ldr x21, [x25, #0x8]\n"
156       "ldr x20, [x24, #0x8]\n"
157       "add x25, x25, #0x10\n"
158       "add x24, x24, #0x10\n"
159       ".inst 0x25307540  // dup p0.s, p13.s/Z, p10.s[w12]\n"
160       ".inst 0xe0bf8360  // st1w { za0v.s[x12] }, p0/Z, [x27, XZR, LSL #2]\n"
161       ".inst 0x25307540  // dup p0.s, p13.s/Z, p10.s[w12]\n"
162       ".inst 0x25707541  // dup p1.s, p13.s/Z, p10.s[w12, #1]\n"
163       ".inst 0xe0b08364  // st1w { za1v.s[x12] }, p0/Z, [x27, x16, LSL #2]\n"
164       ".inst 0x25707540  // dup p0.s, p13.s/Z, p10.s[w12, #1]\n"
165       "whilelt p10.s, x26, %x[width]\n"
166       ".inst 0xe0af8761  // st1w { za0v.s[x12, #1] }, p1/Z, [x27, x15, LSL #2]\n"
167       "incw x26\n"
168       "incw x28\n"
169       ".inst 0xe0ae8365  // st1w { za1v.s[x12, #1] }, p0/Z, [x27, x14, LSL #2]\n"
170       "addvl x27, x27, #4\n"
171       "whilelt p9.s, x26, %x[width]\n"
172       "whilelt p8.s, x26, %x[width]\n"
173       "mov x12, #0x0\n"
174       "cbz x9, 7f\n"
175       "6:"  // K loop: Main loop: Second: Loop
176       ".inst 0x25306580  // dup p0.s, p9.s/Z, p12.s[w12]\n"
177       ".inst 0xe09c02e0  // ld1w { za0h.s[x12] }, p0/Z, [x23, x28, LSL #2]\n"
178       ".inst 0x25306160  // dup p0.s, p8.s/Z, p11.s[w12]\n"
179       ".inst 0xe09c02c4  // ld1w { za1h.s[x12] }, p0/Z, [x22, x28, LSL #2]\n"
180       ".inst 0x25706580  // dup p0.s, p9.s/Z, p12.s[w12, #1]\n"
181       ".inst 0xe09c02a1  // ld1w { za0h.s[x12, #1] }, p0/Z, [x21, x28, LSL #2]\n"
182       ".inst 0x25706160  // dup p0.s, p8.s/Z, p11.s[w12, #1]\n"
183       ".inst 0xe09c0285  // ld1w { za1h.s[x12, #1] }, p0/Z, [x20, x28, LSL #2]\n"
184       "ldr x23, [x25, #0x0]\n"
185       "ldr x22, [x24, #0x0]\n"
186       "ldr x21, [x25, #0x8]\n"
187       "ldr x20, [x24, #0x8]\n"
188       "add x25, x25, #0x10\n"
189       "add x24, x24, #0x10\n"
190       ".inst 0x25307540  // dup p0.s, p13.s/Z, p10.s[w12]\n"
191       ".inst 0xe0bf8368  // st1w { za2v.s[x12] }, p0/Z, [x27, XZR, LSL #2]\n"
192       ".inst 0x25307540  // dup p0.s, p13.s/Z, p10.s[w12]\n"
193       ".inst 0x25707541  // dup p1.s, p13.s/Z, p10.s[w12, #1]\n"
194       ".inst 0xe0b0836c  // st1w { za3v.s[x12] }, p0/Z, [x27, x16, LSL #2]\n"
195       ".inst 0x25707540  // dup p0.s, p13.s/Z, p10.s[w12, #1]\n"
196       ".inst 0xe0af8769  // st1w { za2v.s[x12, #1] }, p1/Z, [x27, x15, LSL #2]\n"
197       ".inst 0xe0ae836d  // st1w { za3v.s[x12, #1] }, p0/Z, [x27, x14, LSL #2]\n"
198       "addvl x27, x27, #4\n"
199       "add x12, x12, #0x2\n"
200       "cmp x12, x9\n"
201       "blt 6b\n"
202       "7:"  // K loop: Main loop: Second: Tail
203       "mov x25, %x[in]\n"
204       "add x24, %x[in], x16, LSL #3\n"
205       ".inst 0x25306580  // dup p0.s, p9.s/Z, p12.s[w12]\n"
206       ".inst 0xe09c02e0  // ld1w { za0h.s[x12] }, p0/Z, [x23, x28, LSL #2]\n"
207       ".inst 0x25306160  // dup p0.s, p8.s/Z, p11.s[w12]\n"
208       ".inst 0xe09c02c4  // ld1w { za1h.s[x12] }, p0/Z, [x22, x28, LSL #2]\n"
209       ".inst 0x25706580  // dup p0.s, p9.s/Z, p12.s[w12, #1]\n"
210       ".inst 0xe09c02a1  // ld1w { za0h.s[x12, #1] }, p0/Z, [x21, x28, LSL #2]\n"
211       ".inst 0x25706160  // dup p0.s, p8.s/Z, p11.s[w12, #1]\n"
212       ".inst 0xe09c0285  // ld1w { za1h.s[x12, #1] }, p0/Z, [x20, x28, LSL #2]\n"
213       "ldr x23, [x25, #0x0]\n"
214       "ldr x22, [x24, #0x0]\n"
215       "ldr x21, [x25, #0x8]\n"
216       "ldr x20, [x24, #0x8]\n"
217       "add x25, x25, #0x10\n"
218       "add x24, x24, #0x10\n"
219       ".inst 0x25307540  // dup p0.s, p13.s/Z, p10.s[w12]\n"
220       ".inst 0xe0bf8368  // st1w { za2v.s[x12] }, p0/Z, [x27, XZR, LSL #2]\n"
221       ".inst 0x25307540  // dup p0.s, p13.s/Z, p10.s[w12]\n"
222       ".inst 0x25707541  // dup p1.s, p13.s/Z, p10.s[w12, #1]\n"
223       ".inst 0xe0b0836c  // st1w { za3v.s[x12] }, p0/Z, [x27, x16, LSL #2]\n"
224       ".inst 0x25707540  // dup p0.s, p13.s/Z, p10.s[w12, #1]\n"
225       "whilelt p10.s, x26, %x[width]\n"
226       ".inst 0xe0af8769  // st1w { za2v.s[x12, #1] }, p1/Z, [x27, x15, LSL #2]\n"
227       "incw x26\n"
228       "incw x28\n"
229       ".inst 0xe0ae836d  // st1w { za3v.s[x12, #1] }, p0/Z, [x27, x14, LSL #2]\n"
230       "addvl x27, x27, #4\n"
231       "subs x19, x19, #0x1\n"
232       "bgt 3b\n"
233       "8:"  // K loop: Tails
234       "cbnz x11, 11f\n"
235       "mov x25, %x[in]\n"
236       "whilelt p9.s, x26, %x[width]\n"
237       "whilelt p8.s, x26, %x[width]\n"
238       "mov x12, #0x0\n"
239       "9:"  // K loop: Tails: Even: First
240       ".inst 0x25307540  // dup p0.s, p13.s/Z, p10.s[w12]\n"
241       ".inst 0xe0bf8360  // st1w { za0v.s[x12] }, p0/Z, [x27, XZR, LSL #2]\n"
242       ".inst 0x25307540  // dup p0.s, p13.s/Z, p10.s[w12]\n"
243       ".inst 0x25306581  // dup p1.s, p9.s/Z, p12.s[w12]\n"
244       ".inst 0xe0b08364  // st1w { za1v.s[x12] }, p0/Z, [x27, x16, LSL #2]\n"
245       ".inst 0x25306160  // dup p0.s, p8.s/Z, p11.s[w12]\n"
246       "addvl x27, x27, #2\n"
247       "ldr x23, [x25, #0x0]\n"
248       ".inst 0xe09c06e8  // ld1w { za2h.s[x12] }, p1/Z, [x23, x28, LSL #2]\n"
249       "ldr x22, [x25, x16, LSL #0x3]\n"
250       ".inst 0xe09c02cc  // ld1w { za3h.s[x12] }, p0/Z, [x22, x28, LSL #2]\n"
251       "add x12, x12, #0x1\n"
252       "cmp x12, x16\n"
253       "add x25, x25, #0x8\n"
254       "blt 9b\n"
255       "whilelt p10.s, x26, %x[width]\n"
256       "whilelt p9.s, x26, %x[width]\n"
257       "whilelt p8.s, x26, %x[width]\n"
258       "mov x12, #0x0\n"
259       "10:"  // K loop: Tails: Even: Second
260       ".inst 0x25307540  // dup p0.s, p13.s/Z, p10.s[w12]\n"
261       ".inst 0xe0bf8368  // st1w { za2v.s[x12] }, p0/Z, [x27, XZR, LSL #2]\n"
262       ".inst 0x25307540  // dup p0.s, p13.s/Z, p10.s[w12]\n"
263       ".inst 0xe0b0836c  // st1w { za3v.s[x12] }, p0/Z, [x27, x16, LSL #2]\n"
264       "addvl x27, x27, #2\n"
265       "add x12, x12, #0x1\n"
266       "cmp x12, x10\n"
267       "blt 10b\n"
268       "whilelt p10.s, x26, %x[width]\n"
269       "b 13f\n"
270       "11:"  // K loop: Tails: Odd
271       "mov x12, #0x0\n"
272       "12:"  // K loop: Tails: Odd: Loop
273       ".inst 0x25307540  // dup p0.s, p13.s/Z, p10.s[w12]\n"
274       ".inst 0xe0bf8360  // st1w { za0v.s[x12] }, p0/Z, [x27, XZR, LSL #2]\n"
275       ".inst 0x25307540  // dup p0.s, p13.s/Z, p10.s[w12]\n"
276       ".inst 0xe0b08364  // st1w { za1v.s[x12] }, p0/Z, [x27, x16, LSL #2]\n"
277       "addvl x27, x27, #2\n"
278       "add x12, x12, #0x1\n"
279       "cmp x12, x10\n"
280       "blt 12b\n"
281       "13:"  // K loop: End
282       "mov %x[out], x27\n"
283       ".inst 0xd503467f  // SMSTOP\n"
284       : [out] "+&r" (out)
285       : [height] "r" (height), [in] "r" (in), [row_offset] "r" (row_offset), [width] "r" (width)
286       : "cc", "memory", "p0", "p1", "p8", "p9", "p10", "p11", "p12", "p13", "x9", "x10", "x11", "x12", "x13", "x14", "x15", "x16", "x19", "x20", "x21", "x22", "x23", "x24", "x25", "x26", "x27", "x28", "z0", "z1", "z2", "z3", "z4", "z5", "z6", "z7", "z8", "z9", "z10", "z11", "z12", "z13", "z14", "z15", "z16", "z17", "z18", "z19", "z20", "z21", "z22", "z23", "z24", "z25", "z26", "z27", "z28", "z29", "z30", "z31"
287     );
288 }
289 
290 #endif  // defined(__ARM_FEATURE_SVE)
291