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<4, 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 x14\n"
38 "cntw x13, ALL, MUL #2\n"
39 "cntw x11, ALL, MUL #3\n"
40 "ptrue p3.s\n"
41 "cntw x10\n"
42 "cmp %x[height], x10\n"
43 "csel x10, %x[height], x10, LT\n"
44 "sub x10, x10, #0x1\n"
45 "whilelt p2.s, XZR, %x[height]\n"
46 "whilelt p15.s, x14, %x[height]\n"
47 "whilelt p14.s, x13, %x[height]\n"
48 "whilelt p13.s, x11, %x[height]\n"
49 "mov x9, %x[row_offset]\n"
50 "mov x28, %x[out]\n"
51 "mov x27, #0x0\n"
52 "whilelt p12.s, x27, %x[width]\n"
53 "whilelt p11.s, x27, %x[width]\n"
54 "whilelt p10.s, x27, %x[width]\n"
55 "whilelt p9.s, x27, %x[width]\n"
56 "whilelt p8.s, x27, %x[width]\n"
57 "1:" // Width loop
58 "mov x12, #0x0\n"
59 "add x26, %x[in], XZR, LSL #3\n"
60 "add x25, %x[in], x14, LSL #3\n"
61 "add x24, %x[in], x13, LSL #3\n"
62 "add x23, %x[in], x11, LSL #3\n"
63 "ldr x22, [x26], #0x8\n"
64 "ldr x21, [x25], #0x8\n"
65 "ldr x20, [x24], #0x8\n"
66 "ldr x19, [x23], #0x8\n"
67 "cbz x10, 3f\n"
68 "2:" // Loads: Loop
69 ".inst 0x25306c40 // dup p0.s, p11.s/Z, p2.s[w12]\n"
70 ".inst 0xe08902c0 // ld1w { za0h.s[x12] }, p0/Z, [x22, x9, LSL #2]\n"
71 ".inst 0x253069e0 // dup p0.s, p10.s/Z, p15.s[w12]\n"
72 ".inst 0xe08902a4 // ld1w { za1h.s[x12] }, p0/Z, [x21, x9, LSL #2]\n"
73 ".inst 0x253065c0 // dup p0.s, p9.s/Z, p14.s[w12]\n"
74 ".inst 0xe0890288 // ld1w { za2h.s[x12] }, p0/Z, [x20, x9, LSL #2]\n"
75 ".inst 0x253061a0 // dup p0.s, p8.s/Z, p13.s[w12]\n"
76 ".inst 0xe089026c // ld1w { za3h.s[x12] }, p0/Z, [x19, x9, LSL #2]\n"
77 "ldr x22, [x26], #0x8\n"
78 "ldr x21, [x25], #0x8\n"
79 "ldr x20, [x24], #0x8\n"
80 "ldr x19, [x23], #0x8\n"
81 "add x12, x12, #0x1\n"
82 "cmp x12, x10\n"
83 "blt 2b\n"
84 "3:" // Loads: Tail
85 ".inst 0x25306c40 // dup p0.s, p11.s/Z, p2.s[w12]\n"
86 ".inst 0xe08902c0 // ld1w { za0h.s[x12] }, p0/Z, [x22, x9, LSL #2]\n"
87 ".inst 0x253069e0 // dup p0.s, p10.s/Z, p15.s[w12]\n"
88 ".inst 0xe08902a4 // ld1w { za1h.s[x12] }, p0/Z, [x21, x9, LSL #2]\n"
89 ".inst 0x253065c0 // dup p0.s, p9.s/Z, p14.s[w12]\n"
90 ".inst 0xe0890288 // ld1w { za2h.s[x12] }, p0/Z, [x20, x9, LSL #2]\n"
91 ".inst 0x253061a0 // dup p0.s, p8.s/Z, p13.s[w12]\n"
92 ".inst 0xe089026c // ld1w { za3h.s[x12] }, p0/Z, [x19, x9, LSL #2]\n"
93 "mov x12, #0x0\n"
94 "sub x19, %x[width], x27\n"
95 "cmp x19, x14\n"
96 "csel x19, x19, x14, LT\n"
97 "4:" // Stores: Loop
98 ".inst 0x25304d80 // dup p0.s, p3.s/Z, p12.s[w12]\n"
99 ".inst 0xe0bf8380 // st1w { za0v.s[x12] }, p0/Z, [x28, XZR, LSL #2]\n"
100 ".inst 0x25304d80 // dup p0.s, p3.s/Z, p12.s[w12]\n"
101 ".inst 0x25304d81 // dup p1.s, p3.s/Z, p12.s[w12]\n"
102 ".inst 0xe0ae8384 // st1w { za1v.s[x12] }, p0/Z, [x28, x14, LSL #2]\n"
103 ".inst 0x25304d80 // dup p0.s, p3.s/Z, p12.s[w12]\n"
104 ".inst 0xe0ad8788 // st1w { za2v.s[x12] }, p1/Z, [x28, x13, LSL #2]\n"
105 ".inst 0xe0ab838c // st1w { za3v.s[x12] }, p0/Z, [x28, x11, LSL #2]\n"
106 "addvl x28, x28, #4\n"
107 "add x12, x12, #0x1\n"
108 "cmp x12, x19\n"
109 "blt 4b\n"
110 "incw x9\n"
111 "incw x27\n"
112 "whilelt p12.s, x27, %x[width]\n"
113 "whilelt p11.s, x27, %x[width]\n"
114 "whilelt p10.s, x27, %x[width]\n"
115 "whilelt p9.s, x27, %x[width]\n"
116 "whilelt p8.s, x27, %x[width]\n"
117 "b.any 1b\n"
118 "mov %x[out], x28\n"
119 ".inst 0xd503467f // SMSTOP\n"
120 : [out] "+&r" (out)
121 : [height] "r" (height), [in] "r" (in), [row_offset] "r" (row_offset), [width] "r" (width)
122 : "cc", "memory", "p0", "p1", "p2", "p3", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "x9", "x10", "x11", "x12", "x13", "x14", "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"
123 );
124 }
125
126 #endif // defined(__ARM_FEATURE_SVE)
127