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(int8_t * & out,const int8_t * const * in,size_t width,size_t height,size_t row_offset,bool first)28 void interleave_block<4, 4, VLType::SME, true>(
29 int8_t * &out, const int8_t * const *in,
30 size_t width, size_t height, size_t row_offset, bool first
31 )
32 {
33 __asm__ __volatile__(
34 ".inst 0xd503477f // SMSTART ZA\n"
35 "mov z24.b, #0x1\n"
36 "mov z23.s, #0x0\n"
37 "ptrue p2.b\n"
38 "mov z22.s, #0x0\n"
39 "cntw x16\n"
40 "mov z21.s, #0x0\n"
41 "cntw x15, ALL, MUL #2\n"
42 "mov z20.s, #0x0\n"
43 "cntw x14, ALL, MUL #3\n"
44 "cntb x11\n"
45 "ptrue p11.s\n"
46 "cntw x10\n"
47 "cmp %x[height], x10\n"
48 "csel x10, %x[height], x10, LT\n"
49 "sub x10, x10, #0x1\n"
50 "whilelt p10.b, XZR, %x[height]\n"
51 "whilelt p9.b, x16, %x[height]\n"
52 "whilelt p8.b, x15, %x[height]\n"
53 "zip1 p10.b, p10.b, p8.b\n"
54 "whilelt p8.b, x14, %x[height]\n"
55 "zip1 p9.b, p9.b, p8.b\n"
56 "mov x9, %x[row_offset]\n"
57 "mov x28, %x[out]\n"
58 "zip1 p10.b, p10.b, p9.b\n"
59 "cbnz %x[first], 1f\n"
60 "addvl x28, x28, #-4\n"
61 "ld1w { z23.s }, p2/Z, [x28]\n"
62 "ld1w { z22.s }, p2/Z, [x28, #1, MUL VL]\n"
63 "ld1w { z21.s }, p2/Z, [x28, #2, MUL VL]\n"
64 "ld1w { z20.s }, p2/Z, [x28, #3, MUL VL]\n"
65 "1:" // Initialise row sums: End
66 "mov x27, #0x0\n"
67 "whilelt p9.b, x27, %x[width]\n"
68 "whilelt p8.b, x27, %x[width]\n"
69 "2:" // Width loop
70 "mov x13, #0x0\n"
71 "add x26, %x[in], XZR, LSL #3\n"
72 "add x25, %x[in], x16, LSL #3\n"
73 "add x24, %x[in], x15, LSL #3\n"
74 "add x23, %x[in], x14, LSL #3\n"
75 "ldr x22, [x26], #0x8\n"
76 "ldr x21, [x25], #0x8\n"
77 "ldr x19, [x24], #0x8\n"
78 "ldr x20, [x23], #0x8\n"
79 "cbz x10, 4f\n"
80 "3:" // Loads: Loop
81 ".inst 0x25256140 // dup p0.b, p8.b/Z, p10.b[w13]\n"
82 ".inst 0xe00922c0 // ld1b { za0h.b[x13] }, p0/Z, [x22, x9]\n"
83 ".inst 0x252d6140 // dup p0.b, p8.b/Z, p10.b[w13, #1]\n"
84 ".inst 0x25356141 // dup p1.b, p8.b/Z, p10.b[w13, #2]\n"
85 ".inst 0xe00922a1 // ld1b { za0h.b[x13, #1] }, p0/Z, [x21, x9]\n"
86 ".inst 0x253d6140 // dup p0.b, p8.b/Z, p10.b[w13, #3]\n"
87 "ldr x22, [x26], #0x8\n"
88 ".inst 0xe0092662 // ld1b { za0h.b[x13, #2] }, p1/Z, [x19, x9]\n"
89 "ldr x21, [x25], #0x8\n"
90 "ldr x19, [x24], #0x8\n"
91 ".inst 0xe0092283 // ld1b { za0h.b[x13, #3] }, p0/Z, [x20, x9]\n"
92 "ldr x20, [x23], #0x8\n"
93 "add x13, x13, #0x4\n"
94 "cmp x13, x10, LSL #2\n"
95 "blt 3b\n"
96 "4:" // Loads: Tail
97 ".inst 0x25256140 // dup p0.b, p8.b/Z, p10.b[w13]\n"
98 ".inst 0xe00922c0 // ld1b { za0h.b[x13] }, p0/Z, [x22, x9]\n"
99 ".inst 0x252d6140 // dup p0.b, p8.b/Z, p10.b[w13, #1]\n"
100 ".inst 0x25356141 // dup p1.b, p8.b/Z, p10.b[w13, #2]\n"
101 ".inst 0xe00922a1 // ld1b { za0h.b[x13, #1] }, p0/Z, [x21, x9]\n"
102 ".inst 0x253d6140 // dup p0.b, p8.b/Z, p10.b[w13, #3]\n"
103 "mov x12, #0x0\n"
104 ".inst 0xe0092662 // ld1b { za0h.b[x13, #2] }, p1/Z, [x19, x9]\n"
105 "sub x19, %x[width], x27\n"
106 "cmp x19, x11\n"
107 ".inst 0xe0092283 // ld1b { za0h.b[x13, #3] }, p0/Z, [x20, x9]\n"
108 "csel x19, x19, x11, LT\n"
109 "add x19, x19, #0x3\n"
110 "lsr x19, x19, #0x2\n"
111 "5:" // Stores: Loop
112 ".inst 0xc0828813 // mova z19.s, p2/M, za0v.s[x12]\n"
113 ".inst 0x25306d20 // dup p0.s, p11.s/Z, p9.s[w12]\n"
114 ".inst 0xe0bf8380 // st1w { za0v.s[x12] }, p0/Z, [x28, XZR, LSL #2]\n"
115 ".inst 0xc0828892 // mova z18.s, p2/M, za1v.s[x12]\n"
116 ".inst 0x25306d20 // dup p0.s, p11.s/Z, p9.s[w12]\n"
117 ".inst 0xc0828911 // mova z17.s, p2/M, za2v.s[x12]\n"
118 ".inst 0xe0b08384 // st1w { za1v.s[x12] }, p0/Z, [x28, x16, LSL #2]\n"
119 ".inst 0x25306d21 // dup p1.s, p11.s/Z, p9.s[w12]\n"
120 ".inst 0xc0828990 // mova z16.s, p2/M, za3v.s[x12]\n"
121 "sdot z23.s, z19.b, z24.b\n"
122 ".inst 0x25306d20 // dup p0.s, p11.s/Z, p9.s[w12]\n"
123 "sdot z22.s, z18.b, z24.b\n"
124 ".inst 0xe0af8788 // st1w { za2v.s[x12] }, p1/Z, [x28, x15, LSL #2]\n"
125 "sdot z21.s, z17.b, z24.b\n"
126 "sdot z20.s, z16.b, z24.b\n"
127 ".inst 0xe0ae838c // st1w { za3v.s[x12] }, p0/Z, [x28, x14, LSL #2]\n"
128 "addvl x28, x28, #4\n"
129 "add x12, x12, #0x1\n"
130 "cmp x12, x19\n"
131 "blt 5b\n"
132 "incb x9\n"
133 "incb x27\n"
134 "whilelt p9.b, x27, %x[width]\n"
135 "whilelt p8.b, x27, %x[width]\n"
136 "b.any 2b\n"
137 "st1w { z23.s }, p2, [x28]\n"
138 "st1w { z22.s }, p2, [x28, #1, MUL VL]\n"
139 "st1w { z21.s }, p2, [x28, #2, MUL VL]\n"
140 "st1w { z20.s }, p2, [x28, #3, MUL VL]\n"
141 "addvl x28, x28, #4\n"
142 "mov %x[out], x28\n"
143 ".inst 0xd503467f // SMSTOP\n"
144 : [out] "+&r" (out)
145 : [first] "r" (first), [height] "r" (height), [in] "r" (in), [row_offset] "r" (row_offset), [width] "r" (width)
146 : "cc", "memory", "p0", "p1", "p2", "p8", "p9", "p10", "p11", "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"
147 );
148 }
149
150 #endif // defined(__ARM_FEATURE_SVE)
151