Georgios Pinitas | c0b6f76 | 2020-11-02 01:37:17 +0000 | [diff] [blame] | 1 | /* |
Georgios Pinitas | e28cf39 | 2021-01-31 05:18:43 +0000 | [diff] [blame] | 2 | * Copyright (c) 2019-2021 Arm Limited. |
Georgios Pinitas | c0b6f76 | 2020-11-02 01:37:17 +0000 | [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 | * |
| 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 | #ifdef __aarch64__ |
| 26 | |
| 27 | template<> |
| 28 | void interleave_block<4, 16, VLType::None, true>( |
| 29 | int8_t * &out_ptr, const int8_t * const * in, size_t width, size_t height, |
| 30 | size_t row_offset, bool first |
| 31 | ) |
| 32 | { |
| 33 | __asm__ __volatile__( |
| 34 | "movi v28.8h, #0x0\n" |
| 35 | "ldr x23, [%x[in], #0x0]\n" |
| 36 | "mov x22, #0x0\n" |
| 37 | "movi v27.8h, #0x0\n" |
| 38 | "ldr x21, [%x[in], #0x8]\n" |
| 39 | "cmp %x[height], #0x4\n" |
| 40 | "movi v26.8h, #0x0\n" |
| 41 | "ldr x20, [%x[in], #0x10]\n" |
| 42 | "add x23, x23, %x[row_offset]\n" |
| 43 | "movi v25.8h, #0x0\n" |
| 44 | "ldr x19, [%x[in], #0x18]\n" |
| 45 | "movi v24.4s, #0x0\n" |
| 46 | "add x21, x21, %x[row_offset]\n" |
| 47 | "movi v23.4s, #0x0\n" |
| 48 | "add x20, x20, %x[row_offset]\n" |
| 49 | "movi v22.4s, #0x0\n" |
| 50 | "add x19, x19, %x[row_offset]\n" |
| 51 | "movi v21.4s, #0x0\n" |
| 52 | "beq 1f\n" |
| 53 | "mov x19, x23\n" |
| 54 | "cmp %x[height], #0x2\n" |
| 55 | "csel x21, x21, x23, GE\n" |
| 56 | "csel x20, x20, x23, GT\n" |
| 57 | "1:" // no_pointer_adj |
| 58 | "movi v20.4s, #0x0\n" |
| 59 | "prfm pldl1keep, [x23, #0x0]\n" |
| 60 | "prfm pldl1keep, [x21, #0x0]\n" |
| 61 | "prfm pldl1keep, [x20, #0x0]\n" |
| 62 | "prfm pldl1keep, [x19, #0x0]\n" |
| 63 | "prfm pldl1keep, [x23, #0x40]\n" |
| 64 | "prfm pldl1keep, [x21, #0x40]\n" |
| 65 | "prfm pldl1keep, [x20, #0x40]\n" |
| 66 | "prfm pldl1keep, [x19, #0x40]\n" |
| 67 | "cbnz %w[first], 2f\n" |
| 68 | "sub %x[out_ptr], %x[out_ptr], #0x10\n" |
| 69 | "ld1 { v20.4s }, [%x[out_ptr]]\n" |
| 70 | "2:" // first_pass |
| 71 | "cmp %x[width], #0x10\n" |
| 72 | "blt 5f\n" |
| 73 | "3:" // Main loop head |
| 74 | "cmp x22, #0x7e\n" |
| 75 | "ble 4f\n" |
| 76 | "sadalp v24.4s, v28.8h\n" |
| 77 | "movi v28.8h, #0x0\n" |
| 78 | "sadalp v23.4s, v27.8h\n" |
| 79 | "movi v27.8h, #0x0\n" |
| 80 | "sadalp v22.4s, v26.8h\n" |
| 81 | "movi v26.8h, #0x0\n" |
| 82 | "sadalp v21.4s, v25.8h\n" |
| 83 | "movi v25.8h, #0x0\n" |
| 84 | "mov x22, #0x0\n" |
| 85 | "4:" // no_accumulate_16 |
| 86 | "ldr q19, [x23], #0x10\n" |
Georgios Pinitas | c0b6f76 | 2020-11-02 01:37:17 +0000 | [diff] [blame] | 87 | "add x22, x22, #0x1\n" |
Georgios Pinitas | e28cf39 | 2021-01-31 05:18:43 +0000 | [diff] [blame] | 88 | "ldr q18, [x21], #0x10\n" |
Georgios Pinitas | c0b6f76 | 2020-11-02 01:37:17 +0000 | [diff] [blame] | 89 | "subs %x[width], %x[width], #0x10\n" |
Georgios Pinitas | e28cf39 | 2021-01-31 05:18:43 +0000 | [diff] [blame] | 90 | "ldr q17, [x20], #0x10\n" |
Georgios Pinitas | c0b6f76 | 2020-11-02 01:37:17 +0000 | [diff] [blame] | 91 | "cmp %x[width], #0x10\n" |
Georgios Pinitas | e28cf39 | 2021-01-31 05:18:43 +0000 | [diff] [blame] | 92 | "ldr q16, [x19], #0x10\n" |
| 93 | "sadalp v28.8h, v19.16b\n" |
| 94 | "prfm pldl1keep, [x23, #0x70]\n" |
| 95 | "prfm pldl1keep, [x21, #0x70]\n" |
| 96 | "sadalp v27.8h, v18.16b\n" |
| 97 | "prfm pldl1keep, [x20, #0x70]\n" |
| 98 | "sadalp v26.8h, v17.16b\n" |
| 99 | "prfm pldl1keep, [x19, #0x70]\n" |
| 100 | "sadalp v25.8h, v16.16b\n" |
| 101 | "str q19, [%x[out_ptr], #0x0]\n" |
| 102 | "str q18, [%x[out_ptr], #0x10]\n" |
| 103 | "str q17, [%x[out_ptr], #0x20]\n" |
| 104 | "str q16, [%x[out_ptr], #0x30]\n" |
Georgios Pinitas | c0b6f76 | 2020-11-02 01:37:17 +0000 | [diff] [blame] | 105 | "add %x[out_ptr], %x[out_ptr], #0x40\n" |
| 106 | "bge 3b\n" |
| 107 | "5:" // Main loop skip |
| 108 | "cbz %x[width], 14f\n" |
| 109 | "tbz %x[width], #3, 9f\n" |
| 110 | "ldr d19, [x23], #0x8\n" |
| 111 | "ldr d18, [x21], #0x8\n" |
| 112 | "ldr d17, [x20], #0x8\n" |
| 113 | "ldr d16, [x19], #0x8\n" |
| 114 | "tbz %x[width], #2, 7f\n" |
| 115 | "ld1 { v19.s }[2], [x23], #0x4\n" |
| 116 | "ld1 { v18.s }[2], [x21], #0x4\n" |
| 117 | "ld1 { v17.s }[2], [x20], #0x4\n" |
| 118 | "ld1 { v16.s }[2], [x19], #0x4\n" |
| 119 | "tbz %x[width], #1, 6f\n" |
| 120 | "ld1 { v19.h }[6], [x23], #0x2\n" |
| 121 | "ld1 { v18.h }[6], [x21], #0x2\n" |
| 122 | "ld1 { v17.h }[6], [x20], #0x2\n" |
| 123 | "ld1 { v16.h }[6], [x19], #0x2\n" |
| 124 | "tbz %x[width], #0, 13f\n" |
| 125 | "ld1 { v19.b }[14], [x23]\n" |
| 126 | "ld1 { v18.b }[14], [x21]\n" |
| 127 | "ld1 { v17.b }[14], [x20]\n" |
| 128 | "ld1 { v16.b }[14], [x19]\n" |
| 129 | "b 13f\n" |
| 130 | "6:" // odd_loads_1_12 |
| 131 | "tbz %x[width], #0, 13f\n" |
| 132 | "ld1 { v19.b }[12], [x23]\n" |
| 133 | "ld1 { v18.b }[12], [x21]\n" |
| 134 | "ld1 { v17.b }[12], [x20]\n" |
| 135 | "ld1 { v16.b }[12], [x19]\n" |
| 136 | "b 13f\n" |
| 137 | "7:" // odd_loads_2_8 |
| 138 | "tbz %x[width], #1, 8f\n" |
| 139 | "ld1 { v19.h }[4], [x23], #0x2\n" |
| 140 | "ld1 { v18.h }[4], [x21], #0x2\n" |
| 141 | "ld1 { v17.h }[4], [x20], #0x2\n" |
| 142 | "ld1 { v16.h }[4], [x19], #0x2\n" |
| 143 | "tbz %x[width], #0, 13f\n" |
| 144 | "ld1 { v19.b }[10], [x23]\n" |
| 145 | "ld1 { v18.b }[10], [x21]\n" |
| 146 | "ld1 { v17.b }[10], [x20]\n" |
| 147 | "ld1 { v16.b }[10], [x19]\n" |
| 148 | "b 13f\n" |
| 149 | "8:" // odd_loads_1_8 |
| 150 | "tbz %x[width], #0, 13f\n" |
| 151 | "ld1 { v19.b }[8], [x23]\n" |
| 152 | "ld1 { v18.b }[8], [x21]\n" |
| 153 | "ld1 { v17.b }[8], [x20]\n" |
| 154 | "ld1 { v16.b }[8], [x19]\n" |
| 155 | "b 13f\n" |
| 156 | "9:" // odd_loads_4_0 |
| 157 | "tbz %x[width], #2, 11f\n" |
| 158 | "ldr s19, [x23], #0x4\n" |
| 159 | "ldr s18, [x21], #0x4\n" |
| 160 | "ldr s17, [x20], #0x4\n" |
| 161 | "ldr s16, [x19], #0x4\n" |
| 162 | "tbz %x[width], #1, 10f\n" |
| 163 | "ld1 { v19.h }[2], [x23], #0x2\n" |
| 164 | "ld1 { v18.h }[2], [x21], #0x2\n" |
| 165 | "ld1 { v17.h }[2], [x20], #0x2\n" |
| 166 | "ld1 { v16.h }[2], [x19], #0x2\n" |
| 167 | "tbz %x[width], #0, 13f\n" |
| 168 | "ld1 { v19.b }[6], [x23]\n" |
| 169 | "ld1 { v18.b }[6], [x21]\n" |
| 170 | "ld1 { v17.b }[6], [x20]\n" |
| 171 | "ld1 { v16.b }[6], [x19]\n" |
| 172 | "b 13f\n" |
| 173 | "10:" // odd_loads_1_4 |
| 174 | "tbz %x[width], #0, 13f\n" |
| 175 | "ld1 { v19.b }[4], [x23]\n" |
| 176 | "ld1 { v18.b }[4], [x21]\n" |
| 177 | "ld1 { v17.b }[4], [x20]\n" |
| 178 | "ld1 { v16.b }[4], [x19]\n" |
| 179 | "b 13f\n" |
| 180 | "11:" // odd_loads_2_0 |
| 181 | "tbz %x[width], #1, 12f\n" |
| 182 | "ldr h19, [x23], #0x2\n" |
| 183 | "ldr h18, [x21], #0x2\n" |
| 184 | "ldr h17, [x20], #0x2\n" |
| 185 | "ldr h16, [x19], #0x2\n" |
| 186 | "tbz %x[width], #0, 13f\n" |
| 187 | "ld1 { v19.b }[2], [x23]\n" |
| 188 | "ld1 { v18.b }[2], [x21]\n" |
| 189 | "ld1 { v17.b }[2], [x20]\n" |
| 190 | "ld1 { v16.b }[2], [x19]\n" |
| 191 | "b 13f\n" |
| 192 | "12:" // odd_loads_1_0 |
| 193 | "ldr b19, [x23, #0x0]\n" |
| 194 | "ldr b18, [x21, #0x0]\n" |
| 195 | "ldr b17, [x20, #0x0]\n" |
| 196 | "ldr b16, [x19, #0x0]\n" |
| 197 | "13:" // Odd load end |
| 198 | "str q19, [%x[out_ptr], #0x0]\n" |
| 199 | "sadalp v28.8h, v19.16b\n" |
| 200 | "str q18, [%x[out_ptr], #0x10]\n" |
| 201 | "sadalp v27.8h, v18.16b\n" |
| 202 | "str q17, [%x[out_ptr], #0x20]\n" |
| 203 | "sadalp v26.8h, v17.16b\n" |
| 204 | "str q16, [%x[out_ptr], #0x30]\n" |
| 205 | "sadalp v25.8h, v16.16b\n" |
| 206 | "add %x[out_ptr], %x[out_ptr], #0x40\n" |
| 207 | "14:" // Odds skip |
| 208 | "sadalp v24.4s, v28.8h\n" |
| 209 | "sadalp v23.4s, v27.8h\n" |
| 210 | "addp v24.4s, v24.4s, v23.4s\n" |
| 211 | "sadalp v22.4s, v26.8h\n" |
| 212 | "sadalp v21.4s, v25.8h\n" |
| 213 | "addp v23.4s, v22.4s, v21.4s\n" |
| 214 | "addp v24.4s, v24.4s, v23.4s\n" |
| 215 | "add v24.4s, v24.4s, v20.4s\n" |
| 216 | "str q24, [%x[out_ptr], #0x0]\n" |
| 217 | "add %x[out_ptr], %x[out_ptr], #0x10\n" |
Georgios Pinitas | e28cf39 | 2021-01-31 05:18:43 +0000 | [diff] [blame] | 218 | : [out_ptr] "+&r" (out_ptr), [width] "+&r" (width) |
Georgios Pinitas | c0b6f76 | 2020-11-02 01:37:17 +0000 | [diff] [blame] | 219 | : [first] "r" (first), [height] "r" (height), [in] "r" (in), [row_offset] "r" (row_offset) |
| 220 | : "cc", "memory", "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "x19", "x20", "x21", "x22", "x23" |
| 221 | ); |
| 222 | } |
| 223 | |
| 224 | |
| 225 | #endif // __aarch64__ |