Georgios Pinitas | c0b6f76 | 2020-11-02 01:37:17 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2019-2020 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 | #ifdef __aarch64__ |
| 26 | |
| 27 | template<> |
| 28 | void interleave_block<8, 1, VLType::None, false>( |
| 29 | int16_t * &out_ptr, const int8_t * const * in, size_t width, size_t height, |
| 30 | size_t row_offset, bool |
| 31 | ) |
| 32 | { |
| 33 | __asm__ __volatile__( |
| 34 | "ldr x27, [%x[in], #0x0]\n" |
| 35 | "cmp %x[height], #0x8\n" |
| 36 | "ldr x26, [%x[in], #0x8]\n" |
| 37 | "add x27, x27, %x[row_offset]\n" |
| 38 | "ldr x25, [%x[in], #0x10]\n" |
| 39 | "ldr x24, [%x[in], #0x18]\n" |
| 40 | "add x26, x26, %x[row_offset]\n" |
| 41 | "ldr x23, [%x[in], #0x20]\n" |
| 42 | "add x25, x25, %x[row_offset]\n" |
| 43 | "ldr x22, [%x[in], #0x28]\n" |
| 44 | "ldr x21, [%x[in], #0x30]\n" |
| 45 | "add x24, x24, %x[row_offset]\n" |
| 46 | "ldr x20, [%x[in], #0x38]\n" |
| 47 | "add x23, x23, %x[row_offset]\n" |
| 48 | "add x22, x22, %x[row_offset]\n" |
| 49 | "add x21, x21, %x[row_offset]\n" |
| 50 | "add x20, x20, %x[row_offset]\n" |
| 51 | "beq 1f\n" |
| 52 | "mov x20, x27\n" |
| 53 | "cmp %x[height], #0x2\n" |
| 54 | "csel x26, x26, x27, GE\n" |
| 55 | "csel x25, x25, x27, GT\n" |
| 56 | "cmp %x[height], #0x4\n" |
| 57 | "csel x24, x24, x27, GE\n" |
| 58 | "csel x23, x23, x27, GT\n" |
| 59 | "cmp %x[height], #0x6\n" |
| 60 | "csel x22, x22, x27, GE\n" |
| 61 | "csel x21, x21, x27, GT\n" |
| 62 | "1:" // no_pointer_adj |
| 63 | "prfm pldl1keep, [x27, #0x0]\n" |
| 64 | "cmp %x[width], #0x8\n" |
| 65 | "prfm pldl1keep, [x26, #0x0]\n" |
| 66 | "prfm pldl1keep, [x25, #0x0]\n" |
| 67 | "prfm pldl1keep, [x24, #0x0]\n" |
| 68 | "prfm pldl1keep, [x23, #0x0]\n" |
| 69 | "prfm pldl1keep, [x22, #0x0]\n" |
| 70 | "prfm pldl1keep, [x21, #0x0]\n" |
| 71 | "prfm pldl1keep, [x20, #0x0]\n" |
| 72 | "prfm pldl1keep, [x27, #0x40]\n" |
| 73 | "prfm pldl1keep, [x26, #0x40]\n" |
| 74 | "prfm pldl1keep, [x25, #0x40]\n" |
| 75 | "prfm pldl1keep, [x24, #0x40]\n" |
| 76 | "prfm pldl1keep, [x23, #0x40]\n" |
| 77 | "prfm pldl1keep, [x22, #0x40]\n" |
| 78 | "prfm pldl1keep, [x21, #0x40]\n" |
| 79 | "prfm pldl1keep, [x20, #0x40]\n" |
| 80 | "blt 3f\n" |
| 81 | "2:" // Main loop head |
| 82 | "ldr d30, [x27], #0x8\n" |
| 83 | "prfm pldl1keep, [x27, #0x70]\n" |
| 84 | "ldr d29, [x26], #0x8\n" |
| 85 | "ldr d28, [x25], #0x8\n" |
| 86 | "prfm pldl1keep, [x26, #0x70]\n" |
| 87 | "ldr d27, [x24], #0x8\n" |
| 88 | "prfm pldl1keep, [x25, #0x70]\n" |
| 89 | "ldr d23, [x23], #0x8\n" |
| 90 | "ldr d21, [x22], #0x8\n" |
| 91 | "prfm pldl1keep, [x24, #0x70]\n" |
| 92 | "ldr d26, [x21], #0x8\n" |
| 93 | "ldr d25, [x20], #0x8\n" |
| 94 | "prfm pldl1keep, [x23, #0x70]\n" |
| 95 | "prfm pldl1keep, [x22, #0x70]\n" |
| 96 | "sshll v30.8h, v30.8b, #0x0\n" |
| 97 | "sshll v29.8h, v29.8b, #0x0\n" |
| 98 | "prfm pldl1keep, [x21, #0x70]\n" |
| 99 | "sshll v28.8h, v28.8b, #0x0\n" |
| 100 | "prfm pldl1keep, [x20, #0x70]\n" |
| 101 | "sshll v27.8h, v27.8b, #0x0\n" |
| 102 | "sshll v23.8h, v23.8b, #0x0\n" |
| 103 | "zip1 v24.8h, v30.8h, v23.8h\n" |
| 104 | "sshll v21.8h, v21.8b, #0x0\n" |
| 105 | "zip2 v23.8h, v30.8h, v23.8h\n" |
| 106 | "sshll v26.8h, v26.8b, #0x0\n" |
| 107 | "sshll v25.8h, v25.8b, #0x0\n" |
| 108 | "zip1 v22.8h, v29.8h, v21.8h\n" |
| 109 | "subs %x[width], %x[width], #0x8\n" |
| 110 | "zip2 v21.8h, v29.8h, v21.8h\n" |
| 111 | "cmp %x[width], #0x8\n" |
| 112 | "zip1 v20.8h, v28.8h, v26.8h\n" |
| 113 | "zip1 v18.8h, v24.8h, v20.8h\n" |
| 114 | "zip1 v19.8h, v27.8h, v25.8h\n" |
| 115 | "zip1 v17.8h, v22.8h, v19.8h\n" |
| 116 | "zip1 v16.8h, v18.8h, v17.8h\n" |
| 117 | "str q16, [%x[out_ptr], #0x0]\n" |
| 118 | "zip2 v16.8h, v18.8h, v17.8h\n" |
| 119 | "str q16, [%x[out_ptr], #0x10]\n" |
| 120 | "zip2 v18.8h, v24.8h, v20.8h\n" |
| 121 | "zip2 v17.8h, v22.8h, v19.8h\n" |
| 122 | "zip1 v16.8h, v18.8h, v17.8h\n" |
| 123 | "str q16, [%x[out_ptr], #0x20]\n" |
| 124 | "zip2 v16.8h, v18.8h, v17.8h\n" |
| 125 | "str q16, [%x[out_ptr], #0x30]\n" |
| 126 | "zip2 v20.8h, v28.8h, v26.8h\n" |
| 127 | "zip1 v18.8h, v23.8h, v20.8h\n" |
| 128 | "zip2 v19.8h, v27.8h, v25.8h\n" |
| 129 | "zip1 v17.8h, v21.8h, v19.8h\n" |
| 130 | "zip1 v16.8h, v18.8h, v17.8h\n" |
| 131 | "str q16, [%x[out_ptr], #0x40]\n" |
| 132 | "zip2 v16.8h, v18.8h, v17.8h\n" |
| 133 | "str q16, [%x[out_ptr], #0x50]\n" |
| 134 | "zip2 v18.8h, v23.8h, v20.8h\n" |
| 135 | "zip2 v17.8h, v21.8h, v19.8h\n" |
| 136 | "zip1 v16.8h, v18.8h, v17.8h\n" |
| 137 | "str q16, [%x[out_ptr], #0x60]\n" |
| 138 | "zip2 v16.8h, v18.8h, v17.8h\n" |
| 139 | "str q16, [%x[out_ptr], #0x70]\n" |
| 140 | "add %x[out_ptr], %x[out_ptr], #0x80\n" |
| 141 | "bge 2b\n" |
| 142 | "3:" // Main loop skip |
| 143 | "cbz %x[width], 8f\n" |
| 144 | "tbz %x[width], #2, 5f\n" |
| 145 | "ldr s30, [x27], #0x4\n" |
| 146 | "ldr s29, [x26], #0x4\n" |
| 147 | "ldr s28, [x25], #0x4\n" |
| 148 | "ldr s27, [x24], #0x4\n" |
| 149 | "ldr s23, [x23], #0x4\n" |
| 150 | "ldr s21, [x22], #0x4\n" |
| 151 | "ldr s26, [x21], #0x4\n" |
| 152 | "ldr s25, [x20], #0x4\n" |
| 153 | "tbz %x[width], #1, 4f\n" |
| 154 | "ld1 { v30.h }[2], [x27], #0x2\n" |
| 155 | "ld1 { v29.h }[2], [x26], #0x2\n" |
| 156 | "ld1 { v28.h }[2], [x25], #0x2\n" |
| 157 | "ld1 { v27.h }[2], [x24], #0x2\n" |
| 158 | "ld1 { v23.h }[2], [x23], #0x2\n" |
| 159 | "ld1 { v21.h }[2], [x22], #0x2\n" |
| 160 | "ld1 { v26.h }[2], [x21], #0x2\n" |
| 161 | "ld1 { v25.h }[2], [x20], #0x2\n" |
| 162 | "mov x19, #0x6\n" |
| 163 | "tbz %x[width], #0, 7f\n" |
| 164 | "ld1 { v30.b }[6], [x27]\n" |
| 165 | "ld1 { v29.b }[6], [x26]\n" |
| 166 | "ld1 { v28.b }[6], [x25]\n" |
| 167 | "ld1 { v27.b }[6], [x24]\n" |
| 168 | "ld1 { v23.b }[6], [x23]\n" |
| 169 | "ld1 { v21.b }[6], [x22]\n" |
| 170 | "ld1 { v26.b }[6], [x21]\n" |
| 171 | "ld1 { v25.b }[6], [x20]\n" |
| 172 | "mov x19, #0x7\n" |
| 173 | "b 7f\n" |
| 174 | "4:" // odd_loads_1_4 |
| 175 | "mov x19, #0x4\n" |
| 176 | "tbz %x[width], #0, 7f\n" |
| 177 | "ld1 { v30.b }[4], [x27]\n" |
| 178 | "ld1 { v29.b }[4], [x26]\n" |
| 179 | "ld1 { v28.b }[4], [x25]\n" |
| 180 | "ld1 { v27.b }[4], [x24]\n" |
| 181 | "ld1 { v23.b }[4], [x23]\n" |
| 182 | "ld1 { v21.b }[4], [x22]\n" |
| 183 | "ld1 { v26.b }[4], [x21]\n" |
| 184 | "ld1 { v25.b }[4], [x20]\n" |
| 185 | "mov x19, #0x5\n" |
| 186 | "b 7f\n" |
| 187 | "5:" // odd_loads_2_0 |
| 188 | "tbz %x[width], #1, 6f\n" |
| 189 | "ldr h30, [x27], #0x2\n" |
| 190 | "ldr h29, [x26], #0x2\n" |
| 191 | "ldr h28, [x25], #0x2\n" |
| 192 | "ldr h27, [x24], #0x2\n" |
| 193 | "ldr h23, [x23], #0x2\n" |
| 194 | "ldr h21, [x22], #0x2\n" |
| 195 | "ldr h26, [x21], #0x2\n" |
| 196 | "ldr h25, [x20], #0x2\n" |
| 197 | "mov x19, #0x2\n" |
| 198 | "tbz %x[width], #0, 7f\n" |
| 199 | "ld1 { v30.b }[2], [x27]\n" |
| 200 | "ld1 { v29.b }[2], [x26]\n" |
| 201 | "ld1 { v28.b }[2], [x25]\n" |
| 202 | "ld1 { v27.b }[2], [x24]\n" |
| 203 | "ld1 { v23.b }[2], [x23]\n" |
| 204 | "ld1 { v21.b }[2], [x22]\n" |
| 205 | "ld1 { v26.b }[2], [x21]\n" |
| 206 | "ld1 { v25.b }[2], [x20]\n" |
| 207 | "mov x19, #0x3\n" |
| 208 | "b 7f\n" |
| 209 | "6:" // odd_loads_1_0 |
| 210 | "ldr b30, [x27, #0x0]\n" |
| 211 | "ldr b29, [x26, #0x0]\n" |
| 212 | "ldr b28, [x25, #0x0]\n" |
| 213 | "ldr b27, [x24, #0x0]\n" |
| 214 | "ldr b23, [x23, #0x0]\n" |
| 215 | "ldr b21, [x22, #0x0]\n" |
| 216 | "ldr b26, [x21, #0x0]\n" |
| 217 | "ldr b25, [x20, #0x0]\n" |
| 218 | "mov x19, #0x1\n" |
| 219 | "7:" // Odd load end |
| 220 | "sshll v30.8h, v30.8b, #0x0\n" |
| 221 | "sshll v29.8h, v29.8b, #0x0\n" |
| 222 | "sshll v28.8h, v28.8b, #0x0\n" |
| 223 | "sshll v27.8h, v27.8b, #0x0\n" |
| 224 | "sshll v23.8h, v23.8b, #0x0\n" |
| 225 | "zip1 v24.8h, v30.8h, v23.8h\n" |
| 226 | "sshll v21.8h, v21.8b, #0x0\n" |
| 227 | "sshll v26.8h, v26.8b, #0x0\n" |
| 228 | "zip1 v20.8h, v28.8h, v26.8h\n" |
| 229 | "sshll v25.8h, v25.8b, #0x0\n" |
| 230 | "zip1 v22.8h, v29.8h, v21.8h\n" |
| 231 | "subs x19, x19, #0x1\n" |
| 232 | "zip1 v18.8h, v24.8h, v20.8h\n" |
| 233 | "zip1 v19.8h, v27.8h, v25.8h\n" |
| 234 | "zip1 v17.8h, v22.8h, v19.8h\n" |
| 235 | "zip1 v16.8h, v18.8h, v17.8h\n" |
| 236 | "str q16, [%x[out_ptr], #0x0]\n" |
| 237 | "add %x[out_ptr], %x[out_ptr], #0x10\n" |
| 238 | "beq 8f\n" |
| 239 | "zip2 v16.8h, v18.8h, v17.8h\n" |
| 240 | "subs x19, x19, #0x1\n" |
| 241 | "str q16, [%x[out_ptr], #0x0]\n" |
| 242 | "add %x[out_ptr], %x[out_ptr], #0x10\n" |
| 243 | "beq 8f\n" |
| 244 | "zip2 v18.8h, v24.8h, v20.8h\n" |
| 245 | "zip2 v17.8h, v22.8h, v19.8h\n" |
| 246 | "subs x19, x19, #0x1\n" |
| 247 | "zip1 v16.8h, v18.8h, v17.8h\n" |
| 248 | "str q16, [%x[out_ptr], #0x0]\n" |
| 249 | "add %x[out_ptr], %x[out_ptr], #0x10\n" |
| 250 | "beq 8f\n" |
| 251 | "zip2 v16.8h, v18.8h, v17.8h\n" |
| 252 | "subs x19, x19, #0x1\n" |
| 253 | "str q16, [%x[out_ptr], #0x0]\n" |
| 254 | "add %x[out_ptr], %x[out_ptr], #0x10\n" |
| 255 | "beq 8f\n" |
| 256 | "zip2 v23.8h, v30.8h, v23.8h\n" |
| 257 | "zip2 v20.8h, v28.8h, v26.8h\n" |
| 258 | "subs x19, x19, #0x1\n" |
| 259 | "zip1 v18.8h, v23.8h, v20.8h\n" |
| 260 | "zip2 v21.8h, v29.8h, v21.8h\n" |
| 261 | "zip2 v19.8h, v27.8h, v25.8h\n" |
| 262 | "zip1 v17.8h, v21.8h, v19.8h\n" |
| 263 | "zip1 v16.8h, v18.8h, v17.8h\n" |
| 264 | "str q16, [%x[out_ptr], #0x0]\n" |
| 265 | "add %x[out_ptr], %x[out_ptr], #0x10\n" |
| 266 | "beq 8f\n" |
| 267 | "zip2 v16.8h, v18.8h, v17.8h\n" |
| 268 | "subs x19, x19, #0x1\n" |
| 269 | "str q16, [%x[out_ptr], #0x0]\n" |
| 270 | "add %x[out_ptr], %x[out_ptr], #0x10\n" |
| 271 | "beq 8f\n" |
| 272 | "zip2 v18.8h, v23.8h, v20.8h\n" |
| 273 | "zip2 v17.8h, v21.8h, v19.8h\n" |
| 274 | "zip1 v16.8h, v18.8h, v17.8h\n" |
| 275 | "str q16, [%x[out_ptr], #0x0]\n" |
| 276 | "add %x[out_ptr], %x[out_ptr], #0x10\n" |
| 277 | "8:" // Odds skip |
| 278 | |
| 279 | : [out_ptr] "+r" (out_ptr), [width] "+r" (width) |
| 280 | : [height] "r" (height), [in] "r" (in), [row_offset] "r" (row_offset) |
| 281 | : "cc", "memory", "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30", "x19", "x20", "x21", "x22", "x23", "x24", "x25", "x26", "x27" |
| 282 | ); |
| 283 | } |
| 284 | |
| 285 | |
| 286 | #endif // __aarch64__ |