Viet-Hoa Do | 03b2971 | 2022-06-01 11:47:14 +0100 | [diff] [blame] | 1 | /* |
Michael Tyler | 7d9a626 | 2023-02-01 16:37:07 +0000 | [diff] [blame^] | 2 | * Copyright (c) 2022-2023 Arm Limited. |
Viet-Hoa Do | 03b2971 | 2022-06-01 11:47:14 +0100 | [diff] [blame] | 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 | * |
Michael Tyler | 7d9a626 | 2023-02-01 16:37:07 +0000 | [diff] [blame^] | 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
Viet-Hoa Do | 03b2971 | 2022-06-01 11:47:14 +0100 | [diff] [blame] | 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 |
Michael Tyler | 7d9a626 | 2023-02-01 16:37:07 +0000 | [diff] [blame^] | 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
Viet-Hoa Do | 03b2971 | 2022-06-01 11:47:14 +0100 | [diff] [blame] | 23 | */ |
| 24 | |
| 25 | #pragma once |
| 26 | |
| 27 | #ifdef __ARM_FEATURE_SVE |
| 28 | |
| 29 | |
| 30 | namespace { |
| 31 | |
| 32 | void sme_transpose_interleave_4VL_2x2(uint16_t *out, const uint16_t *in, size_t width, size_t in_stride, size_t height) |
| 33 | { |
| 34 | uint16_t *pad_row = reinterpret_cast<uint16_t *>(alloca(width * sizeof(uint16_t))); |
| 35 | |
| 36 | if (height % 2) { |
| 37 | memset(pad_row, 0, width * sizeof(uint16_t)); |
| 38 | } |
| 39 | |
| 40 | size_t out_stride = 4 * roundup<size_t>(height, 2) * sme::get_vector_length<uint16_t>(); |
| 41 | |
| 42 | __asm__ __volatile__( |
| 43 | ".inst 0xd503477f // SMSTART ZA\n" |
| 44 | "cmp %x[height], #0x4\n" |
| 45 | "ptrue p2.b\n" |
| 46 | "blt 4f\n" |
| 47 | "1:" // Main row loop: Head |
Michael Tyler | 7d9a626 | 2023-02-01 16:37:07 +0000 | [diff] [blame^] | 48 | "mov x26, %x[in]\n" |
| 49 | "add x25, x26, %x[in_stride]\n" |
Viet-Hoa Do | 03b2971 | 2022-06-01 11:47:14 +0100 | [diff] [blame] | 50 | "add x24, x25, %x[in_stride]\n" |
| 51 | "add x23, x24, %x[in_stride]\n" |
Michael Tyler | 7d9a626 | 2023-02-01 16:37:07 +0000 | [diff] [blame^] | 52 | "add %x[in], x23, %x[in_stride]\n" |
| 53 | "mov x22, %x[out]\n" |
Viet-Hoa Do | 03b2971 | 2022-06-01 11:47:14 +0100 | [diff] [blame] | 54 | "sub %x[height], %x[height], #0x4\n" |
Michael Tyler | 7d9a626 | 2023-02-01 16:37:07 +0000 | [diff] [blame^] | 55 | "mov x21, %x[width]\n" |
Viet-Hoa Do | 03b2971 | 2022-06-01 11:47:14 +0100 | [diff] [blame] | 56 | "2:" // Main row loop: Column loop |
Michael Tyler | 7d9a626 | 2023-02-01 16:37:07 +0000 | [diff] [blame^] | 57 | "mov x20, x21\n" |
| 58 | "whilelt p1.h, XZR, x20\n" |
| 59 | "ld1h { z19.h }, p1/Z, [x26]\n" |
| 60 | "dech x20\n" |
| 61 | "whilelt p0.h, XZR, x20\n" |
| 62 | "ld1h { z18.h }, p0/Z, [x26, #1, MUL VL]\n" |
| 63 | "ld1h { z17.h }, p1/Z, [x25]\n" |
| 64 | "decw x21, ALL, MUL #4\n" |
| 65 | "cmp x21, #0x0\n" |
Michael Tyler | be13cea | 2023-01-17 11:04:14 +0000 | [diff] [blame] | 66 | "zip1 z24.h, z19.h, z17.h\n" |
Michael Tyler | 7d9a626 | 2023-02-01 16:37:07 +0000 | [diff] [blame^] | 67 | "ld1h { z16.h }, p0/Z, [x25, #1, MUL VL]\n" |
| 68 | "addvl x26, x26, #2\n" |
Michael Tyler | be13cea | 2023-01-17 11:04:14 +0000 | [diff] [blame] | 69 | "addvl x25, x25, #2\n" |
Michael Tyler | be13cea | 2023-01-17 11:04:14 +0000 | [diff] [blame] | 70 | "zip2 z23.h, z19.h, z17.h\n" |
Michael Tyler | 7d9a626 | 2023-02-01 16:37:07 +0000 | [diff] [blame^] | 71 | "ld1h { z17.h }, p1/Z, [x24]\n" |
Viet-Hoa Do | 03b2971 | 2022-06-01 11:47:14 +0100 | [diff] [blame] | 72 | "zip1 z22.h, z18.h, z16.h\n" |
| 73 | "zip2 z21.h, z18.h, z16.h\n" |
Michael Tyler | 7d9a626 | 2023-02-01 16:37:07 +0000 | [diff] [blame^] | 74 | "ld1h { z20.h }, p0/Z, [x24, #1, MUL VL]\n" |
| 75 | "addvl x24, x24, #2\n" |
| 76 | "ld1h { z16.h }, p1/Z, [x23]\n" |
Viet-Hoa Do | 03b2971 | 2022-06-01 11:47:14 +0100 | [diff] [blame] | 77 | "zip1 z19.h, z17.h, z16.h\n" |
| 78 | "zip2 z18.h, z17.h, z16.h\n" |
Michael Tyler | 7d9a626 | 2023-02-01 16:37:07 +0000 | [diff] [blame^] | 79 | "ld1h { z16.h }, p0/Z, [x23, #1, MUL VL]\n" |
| 80 | "addvl x23, x23, #2\n" |
Viet-Hoa Do | 03b2971 | 2022-06-01 11:47:14 +0100 | [diff] [blame] | 81 | "zip1 z17.h, z20.h, z16.h\n" |
| 82 | "zip2 z16.h, z20.h, z16.h\n" |
Michael Tyler | 7d9a626 | 2023-02-01 16:37:07 +0000 | [diff] [blame^] | 83 | "st1h { z24.h }, p2, [x22]\n" |
| 84 | "st1h { z23.h }, p2, [x22, #1, MUL VL]\n" |
| 85 | "st1h { z22.h }, p2, [x22, #2, MUL VL]\n" |
| 86 | "st1h { z21.h }, p2, [x22, #3, MUL VL]\n" |
| 87 | "st1h { z19.h }, p2, [x22, #4, MUL VL]\n" |
| 88 | "st1h { z18.h }, p2, [x22, #5, MUL VL]\n" |
| 89 | "st1h { z17.h }, p2, [x22, #6, MUL VL]\n" |
| 90 | "st1h { z16.h }, p2, [x22, #7, MUL VL]\n" |
| 91 | "add x22, x22, %x[out_stride]\n" |
Viet-Hoa Do | 03b2971 | 2022-06-01 11:47:14 +0100 | [diff] [blame] | 92 | "bgt 2b\n" |
| 93 | "3:" // Main row loop: Column loop skip |
| 94 | "cmp %x[height], #0x4\n" |
| 95 | "addvl %x[out], %x[out], #8\n" |
| 96 | "bge 1b\n" |
| 97 | "cbz %x[height], 8f\n" |
| 98 | "4:" // Main loop skip |
| 99 | "5:" // Tail row loop: Head |
Michael Tyler | 7d9a626 | 2023-02-01 16:37:07 +0000 | [diff] [blame^] | 100 | "mov x26, %x[in]\n" |
| 101 | "add x25, x26, %x[in_stride]\n" |
Viet-Hoa Do | 03b2971 | 2022-06-01 11:47:14 +0100 | [diff] [blame] | 102 | "cmp %x[height], #0x1\n" |
Michael Tyler | 7d9a626 | 2023-02-01 16:37:07 +0000 | [diff] [blame^] | 103 | "add %x[in], x25, %x[in_stride]\n" |
| 104 | "mov x22, %x[out]\n" |
| 105 | "csel x25, x25, %x[pad_row], GT\n" |
Viet-Hoa Do | 03b2971 | 2022-06-01 11:47:14 +0100 | [diff] [blame] | 106 | "sub %x[height], %x[height], #0x2\n" |
Michael Tyler | 7d9a626 | 2023-02-01 16:37:07 +0000 | [diff] [blame^] | 107 | "mov x21, %x[width]\n" |
Viet-Hoa Do | 03b2971 | 2022-06-01 11:47:14 +0100 | [diff] [blame] | 108 | "6:" // Tail row loop: Column loop |
Michael Tyler | 7d9a626 | 2023-02-01 16:37:07 +0000 | [diff] [blame^] | 109 | "mov x20, x21\n" |
| 110 | "whilelt p1.h, XZR, x20\n" |
| 111 | "ld1h { z18.h }, p1/Z, [x26]\n" |
| 112 | "dech x20\n" |
| 113 | "whilelt p0.h, XZR, x20\n" |
| 114 | "ld1h { z20.h }, p0/Z, [x26, #1, MUL VL]\n" |
| 115 | "ld1h { z17.h }, p1/Z, [x25]\n" |
| 116 | "decw x21, ALL, MUL #4\n" |
| 117 | "cmp x21, #0x0\n" |
Viet-Hoa Do | 03b2971 | 2022-06-01 11:47:14 +0100 | [diff] [blame] | 118 | "zip1 z19.h, z18.h, z17.h\n" |
Michael Tyler | 7d9a626 | 2023-02-01 16:37:07 +0000 | [diff] [blame^] | 119 | "ld1h { z16.h }, p0/Z, [x25, #1, MUL VL]\n" |
| 120 | "addvl x26, x26, #2\n" |
Viet-Hoa Do | 03b2971 | 2022-06-01 11:47:14 +0100 | [diff] [blame] | 121 | "addvl x25, x25, #2\n" |
Viet-Hoa Do | 03b2971 | 2022-06-01 11:47:14 +0100 | [diff] [blame] | 122 | "zip2 z18.h, z18.h, z17.h\n" |
| 123 | "zip1 z17.h, z20.h, z16.h\n" |
| 124 | "zip2 z16.h, z20.h, z16.h\n" |
Michael Tyler | 7d9a626 | 2023-02-01 16:37:07 +0000 | [diff] [blame^] | 125 | "st1h { z19.h }, p2, [x22]\n" |
| 126 | "st1h { z18.h }, p2, [x22, #1, MUL VL]\n" |
| 127 | "st1h { z17.h }, p2, [x22, #2, MUL VL]\n" |
| 128 | "st1h { z16.h }, p2, [x22, #3, MUL VL]\n" |
| 129 | "add x22, x22, %x[out_stride]\n" |
Viet-Hoa Do | 03b2971 | 2022-06-01 11:47:14 +0100 | [diff] [blame] | 130 | "bgt 6b\n" |
| 131 | "7:" // Tail row loop: Column loop skip |
| 132 | "cmp %x[height], #0x1\n" |
| 133 | "addvl %x[out], %x[out], #4\n" |
| 134 | "bge 5b\n" |
| 135 | "8:" // Done |
| 136 | ".inst 0xd503467f // SMSTOP\n" |
| 137 | : [height] "+&r" (height), [in] "+&r" (in), [out] "+&r" (out) |
| 138 | : [in_stride] "r" (in_stride), [out_stride] "r" (out_stride), [pad_row] "r" (pad_row), [width] "r" (width) |
Michael Tyler | 7d9a626 | 2023-02-01 16:37:07 +0000 | [diff] [blame^] | 139 | : "cc", "memory", "p0", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "x20", "x21", "x22", "x23", "x24", "x25", "x26", "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" |
Viet-Hoa Do | 03b2971 | 2022-06-01 11:47:14 +0100 | [diff] [blame] | 140 | ); |
| 141 | } |
| 142 | |
| 143 | } // anonymous namespace |
| 144 | |
| 145 | template<> |
| 146 | void Transform<4, 2, true, VLType::SME>( |
| 147 | bfloat16 *out, const bfloat16 *in, int stride, int x0, int xmax, int k0, int kmax) |
| 148 | { |
| 149 | sme_transpose_interleave_4VL_2x2( |
| 150 | reinterpret_cast<uint16_t *>(out), |
| 151 | reinterpret_cast<const uint16_t *>(in + k0 * stride + x0), |
| 152 | (xmax-x0) * sizeof(bfloat16) / 2, |
| 153 | stride * sizeof(bfloat16), |
| 154 | (kmax-k0) |
| 155 | ); |
| 156 | } |
| 157 | |
| 158 | #endif |