| 1 | /* |
| 2 | * ARM NEON optimised DSP functions |
| 3 | * Copyright (c) 2008 Mans Rullgard <mans@mansr.com> |
| 4 | * Copyright (c) 2013 Janne Grunau <janne-libav@jannau.net> |
| 5 | * |
| 6 | * This file is part of FFmpeg. |
| 7 | * |
| 8 | * FFmpeg is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU Lesser General Public |
| 10 | * License as published by the Free Software Foundation; either |
| 11 | * version 2.1 of the License, or (at your option) any later version. |
| 12 | * |
| 13 | * FFmpeg is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 | * Lesser General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU Lesser General Public |
| 19 | * License along with FFmpeg; if not, write to the Free Software |
| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 21 | */ |
| 22 | |
| 23 | #include "libavutil/aarch64/asm.S" |
| 24 | |
| 25 | .macro pixels16 rnd=1, avg=0 |
| 26 | .if \avg |
| 27 | mov x12, x0 |
| 28 | .endif |
| 29 | 1: ld1 {v0.16B}, [x1], x2 |
| 30 | ld1 {v1.16B}, [x1], x2 |
| 31 | ld1 {v2.16B}, [x1], x2 |
| 32 | ld1 {v3.16B}, [x1], x2 |
| 33 | .if \avg |
| 34 | ld1 {v4.16B}, [x12], x2 |
| 35 | urhadd v0.16B, v0.16B, v4.16B |
| 36 | ld1 {v5.16B}, [x12], x2 |
| 37 | urhadd v1.16B, v1.16B, v5.16B |
| 38 | ld1 {v6.16B}, [x12], x2 |
| 39 | urhadd v2.16B, v2.16B, v6.16B |
| 40 | ld1 {v7.16B}, [x12], x2 |
| 41 | urhadd v3.16B, v3.16B, v7.16B |
| 42 | .endif |
| 43 | subs w3, w3, #4 |
| 44 | st1 {v0.16B}, [x0], x2 |
| 45 | st1 {v1.16B}, [x0], x2 |
| 46 | st1 {v2.16B}, [x0], x2 |
| 47 | st1 {v3.16B}, [x0], x2 |
| 48 | b.ne 1b |
| 49 | ret |
| 50 | .endm |
| 51 | |
| 52 | .macro pixels16_x2 rnd=1, avg=0 |
| 53 | 1: ld1 {v0.16B, v1.16B}, [x1], x2 |
| 54 | ld1 {v2.16B, v3.16B}, [x1], x2 |
| 55 | subs w3, w3, #2 |
| 56 | ext v1.16B, v0.16B, v1.16B, #1 |
| 57 | avg v0.16B, v0.16B, v1.16B |
| 58 | ext v3.16B, v2.16B, v3.16B, #1 |
| 59 | avg v2.16B, v2.16B, v3.16B |
| 60 | .if \avg |
| 61 | ld1 {v1.16B}, [x0], x2 |
| 62 | ld1 {v3.16B}, [x0] |
| 63 | urhadd v0.16B, v0.16B, v1.16B |
| 64 | urhadd v2.16B, v2.16B, v3.16B |
| 65 | sub x0, x0, x2 |
| 66 | .endif |
| 67 | st1 {v0.16B}, [x0], x2 |
| 68 | st1 {v2.16B}, [x0], x2 |
| 69 | b.ne 1b |
| 70 | ret |
| 71 | .endm |
| 72 | |
| 73 | .macro pixels16_y2 rnd=1, avg=0 |
| 74 | sub w3, w3, #2 |
| 75 | ld1 {v0.16B}, [x1], x2 |
| 76 | ld1 {v1.16B}, [x1], x2 |
| 77 | 1: subs w3, w3, #2 |
| 78 | avg v2.16B, v0.16B, v1.16B |
| 79 | ld1 {v0.16B}, [x1], x2 |
| 80 | avg v3.16B, v0.16B, v1.16B |
| 81 | ld1 {v1.16B}, [x1], x2 |
| 82 | .if \avg |
| 83 | ld1 {v4.16B}, [x0], x2 |
| 84 | ld1 {v5.16B}, [x0] |
| 85 | urhadd v2.16B, v2.16B, v4.16B |
| 86 | urhadd v3.16B, v3.16B, v5.16B |
| 87 | sub x0, x0, x2 |
| 88 | .endif |
| 89 | st1 {v2.16B}, [x0], x2 |
| 90 | st1 {v3.16B}, [x0], x2 |
| 91 | b.ne 1b |
| 92 | |
| 93 | avg v2.16B, v0.16B, v1.16B |
| 94 | ld1 {v0.16B}, [x1], x2 |
| 95 | avg v3.16B, v0.16B, v1.16B |
| 96 | .if \avg |
| 97 | ld1 {v4.16B}, [x0], x2 |
| 98 | ld1 {v5.16B}, [x0] |
| 99 | urhadd v2.16B, v2.16B, v4.16B |
| 100 | urhadd v3.16B, v3.16B, v5.16B |
| 101 | sub x0, x0, x2 |
| 102 | .endif |
| 103 | st1 {v2.16B}, [x0], x2 |
| 104 | st1 {v3.16B}, [x0], x2 |
| 105 | |
| 106 | ret |
| 107 | .endm |
| 108 | |
| 109 | .macro pixels16_xy2 rnd=1, avg=0 |
| 110 | sub w3, w3, #2 |
| 111 | ld1 {v0.16B, v1.16B}, [x1], x2 |
| 112 | ld1 {v4.16B, v5.16B}, [x1], x2 |
| 113 | NRND movi v26.8H, #1 |
| 114 | ext v1.16B, v0.16B, v1.16B, #1 |
| 115 | ext v5.16B, v4.16B, v5.16B, #1 |
| 116 | uaddl v16.8H, v0.8B, v1.8B |
| 117 | uaddl2 v20.8H, v0.16B, v1.16B |
| 118 | uaddl v18.8H, v4.8B, v5.8B |
| 119 | uaddl2 v22.8H, v4.16B, v5.16B |
| 120 | 1: subs w3, w3, #2 |
| 121 | ld1 {v0.16B, v1.16B}, [x1], x2 |
| 122 | add v24.8H, v16.8H, v18.8H |
| 123 | NRND add v24.8H, v24.8H, v26.8H |
| 124 | ext v30.16B, v0.16B, v1.16B, #1 |
| 125 | add v1.8H, v20.8H, v22.8H |
| 126 | mshrn v28.8B, v24.8H, #2 |
| 127 | NRND add v1.8H, v1.8H, v26.8H |
| 128 | mshrn2 v28.16B, v1.8H, #2 |
| 129 | .if \avg |
| 130 | ld1 {v16.16B}, [x0] |
| 131 | urhadd v28.16B, v28.16B, v16.16B |
| 132 | .endif |
| 133 | uaddl v16.8H, v0.8B, v30.8B |
| 134 | ld1 {v2.16B, v3.16B}, [x1], x2 |
| 135 | uaddl2 v20.8H, v0.16B, v30.16B |
| 136 | st1 {v28.16B}, [x0], x2 |
| 137 | add v24.8H, v16.8H, v18.8H |
| 138 | NRND add v24.8H, v24.8H, v26.8H |
| 139 | ext v3.16B, v2.16B, v3.16B, #1 |
| 140 | add v0.8H, v20.8H, v22.8H |
| 141 | mshrn v30.8B, v24.8H, #2 |
| 142 | NRND add v0.8H, v0.8H, v26.8H |
| 143 | mshrn2 v30.16B, v0.8H, #2 |
| 144 | .if \avg |
| 145 | ld1 {v18.16B}, [x0] |
| 146 | urhadd v30.16B, v30.16B, v18.16B |
| 147 | .endif |
| 148 | uaddl v18.8H, v2.8B, v3.8B |
| 149 | uaddl2 v22.8H, v2.16B, v3.16B |
| 150 | st1 {v30.16B}, [x0], x2 |
| 151 | b.gt 1b |
| 152 | |
| 153 | ld1 {v0.16B, v1.16B}, [x1], x2 |
| 154 | add v24.8H, v16.8H, v18.8H |
| 155 | NRND add v24.8H, v24.8H, v26.8H |
| 156 | ext v30.16B, v0.16B, v1.16B, #1 |
| 157 | add v1.8H, v20.8H, v22.8H |
| 158 | mshrn v28.8B, v24.8H, #2 |
| 159 | NRND add v1.8H, v1.8H, v26.8H |
| 160 | mshrn2 v28.16B, v1.8H, #2 |
| 161 | .if \avg |
| 162 | ld1 {v16.16B}, [x0] |
| 163 | urhadd v28.16B, v28.16B, v16.16B |
| 164 | .endif |
| 165 | uaddl v16.8H, v0.8B, v30.8B |
| 166 | uaddl2 v20.8H, v0.16B, v30.16B |
| 167 | st1 {v28.16B}, [x0], x2 |
| 168 | add v24.8H, v16.8H, v18.8H |
| 169 | NRND add v24.8H, v24.8H, v26.8H |
| 170 | add v0.8H, v20.8H, v22.8H |
| 171 | mshrn v30.8B, v24.8H, #2 |
| 172 | NRND add v0.8H, v0.8H, v26.8H |
| 173 | mshrn2 v30.16B, v0.8H, #2 |
| 174 | .if \avg |
| 175 | ld1 {v18.16B}, [x0] |
| 176 | urhadd v30.16B, v30.16B, v18.16B |
| 177 | .endif |
| 178 | st1 {v30.16B}, [x0], x2 |
| 179 | |
| 180 | ret |
| 181 | .endm |
| 182 | |
| 183 | .macro pixels8 rnd=1, avg=0 |
| 184 | 1: ld1 {v0.8B}, [x1], x2 |
| 185 | ld1 {v1.8B}, [x1], x2 |
| 186 | ld1 {v2.8B}, [x1], x2 |
| 187 | ld1 {v3.8B}, [x1], x2 |
| 188 | .if \avg |
| 189 | ld1 {v4.8B}, [x0], x2 |
| 190 | urhadd v0.8B, v0.8B, v4.8B |
| 191 | ld1 {v5.8B}, [x0], x2 |
| 192 | urhadd v1.8B, v1.8B, v5.8B |
| 193 | ld1 {v6.8B}, [x0], x2 |
| 194 | urhadd v2.8B, v2.8B, v6.8B |
| 195 | ld1 {v7.8B}, [x0], x2 |
| 196 | urhadd v3.8B, v3.8B, v7.8B |
| 197 | sub x0, x0, x2, lsl #2 |
| 198 | .endif |
| 199 | subs w3, w3, #4 |
| 200 | st1 {v0.8B}, [x0], x2 |
| 201 | st1 {v1.8B}, [x0], x2 |
| 202 | st1 {v2.8B}, [x0], x2 |
| 203 | st1 {v3.8B}, [x0], x2 |
| 204 | b.ne 1b |
| 205 | ret |
| 206 | .endm |
| 207 | |
| 208 | .macro pixels8_x2 rnd=1, avg=0 |
| 209 | 1: ld1 {v0.8B, v1.8B}, [x1], x2 |
| 210 | ext v1.8B, v0.8B, v1.8B, #1 |
| 211 | ld1 {v2.8B, v3.8B}, [x1], x2 |
| 212 | ext v3.8B, v2.8B, v3.8B, #1 |
| 213 | subs w3, w3, #2 |
| 214 | avg v0.8B, v0.8B, v1.8B |
| 215 | avg v2.8B, v2.8B, v3.8B |
| 216 | .if \avg |
| 217 | ld1 {v4.8B}, [x0], x2 |
| 218 | ld1 {v5.8B}, [x0] |
| 219 | urhadd v0.8B, v0.8B, v4.8B |
| 220 | urhadd v2.8B, v2.8B, v5.8B |
| 221 | sub x0, x0, x2 |
| 222 | .endif |
| 223 | st1 {v0.8B}, [x0], x2 |
| 224 | st1 {v2.8B}, [x0], x2 |
| 225 | b.ne 1b |
| 226 | ret |
| 227 | .endm |
| 228 | |
| 229 | .macro pixels8_y2 rnd=1, avg=0 |
| 230 | sub w3, w3, #2 |
| 231 | ld1 {v0.8B}, [x1], x2 |
| 232 | ld1 {v1.8B}, [x1], x2 |
| 233 | 1: subs w3, w3, #2 |
| 234 | avg v4.8B, v0.8B, v1.8B |
| 235 | ld1 {v0.8B}, [x1], x2 |
| 236 | avg v5.8B, v0.8B, v1.8B |
| 237 | ld1 {v1.8B}, [x1], x2 |
| 238 | .if \avg |
| 239 | ld1 {v2.8B}, [x0], x2 |
| 240 | ld1 {v3.8B}, [x0] |
| 241 | urhadd v4.8B, v4.8B, v2.8B |
| 242 | urhadd v5.8B, v5.8B, v3.8B |
| 243 | sub x0, x0, x2 |
| 244 | .endif |
| 245 | st1 {v4.8B}, [x0], x2 |
| 246 | st1 {v5.8B}, [x0], x2 |
| 247 | b.ne 1b |
| 248 | |
| 249 | avg v4.8B, v0.8B, v1.8B |
| 250 | ld1 {v0.8B}, [x1], x2 |
| 251 | avg v5.8B, v0.8B, v1.8B |
| 252 | .if \avg |
| 253 | ld1 {v2.8B}, [x0], x2 |
| 254 | ld1 {v3.8B}, [x0] |
| 255 | urhadd v4.8B, v4.8B, v2.8B |
| 256 | urhadd v5.8B, v5.8B, v3.8B |
| 257 | sub x0, x0, x2 |
| 258 | .endif |
| 259 | st1 {v4.8B}, [x0], x2 |
| 260 | st1 {v5.8B}, [x0], x2 |
| 261 | |
| 262 | ret |
| 263 | .endm |
| 264 | |
| 265 | .macro pixels8_xy2 rnd=1, avg=0 |
| 266 | sub w3, w3, #2 |
| 267 | ld1 {v0.16B}, [x1], x2 |
| 268 | ld1 {v1.16B}, [x1], x2 |
| 269 | NRND movi v19.8H, #1 |
| 270 | ext v4.16B, v0.16B, v4.16B, #1 |
| 271 | ext v6.16B, v1.16B, v6.16B, #1 |
| 272 | uaddl v16.8H, v0.8B, v4.8B |
| 273 | uaddl v17.8H, v1.8B, v6.8B |
| 274 | 1: subs w3, w3, #2 |
| 275 | ld1 {v0.16B}, [x1], x2 |
| 276 | add v18.8H, v16.8H, v17.8H |
| 277 | ext v4.16B, v0.16B, v4.16B, #1 |
| 278 | NRND add v18.8H, v18.8H, v19.8H |
| 279 | uaddl v16.8H, v0.8B, v4.8B |
| 280 | mshrn v5.8B, v18.8H, #2 |
| 281 | ld1 {v1.16B}, [x1], x2 |
| 282 | add v18.8H, v16.8H, v17.8H |
| 283 | .if \avg |
| 284 | ld1 {v7.8B}, [x0] |
| 285 | urhadd v5.8B, v5.8B, v7.8B |
| 286 | .endif |
| 287 | NRND add v18.8H, v18.8H, v19.8H |
| 288 | st1 {v5.8B}, [x0], x2 |
| 289 | mshrn v7.8B, v18.8H, #2 |
| 290 | .if \avg |
| 291 | ld1 {v5.8B}, [x0] |
| 292 | urhadd v7.8B, v7.8B, v5.8B |
| 293 | .endif |
| 294 | ext v6.16B, v1.16B, v6.16B, #1 |
| 295 | uaddl v17.8H, v1.8B, v6.8B |
| 296 | st1 {v7.8B}, [x0], x2 |
| 297 | b.gt 1b |
| 298 | |
| 299 | ld1 {v0.16B}, [x1], x2 |
| 300 | add v18.8H, v16.8H, v17.8H |
| 301 | ext v4.16B, v0.16B, v4.16B, #1 |
| 302 | NRND add v18.8H, v18.8H, v19.8H |
| 303 | uaddl v16.8H, v0.8B, v4.8B |
| 304 | mshrn v5.8B, v18.8H, #2 |
| 305 | add v18.8H, v16.8H, v17.8H |
| 306 | .if \avg |
| 307 | ld1 {v7.8B}, [x0] |
| 308 | urhadd v5.8B, v5.8B, v7.8B |
| 309 | .endif |
| 310 | NRND add v18.8H, v18.8H, v19.8H |
| 311 | st1 {v5.8B}, [x0], x2 |
| 312 | mshrn v7.8B, v18.8H, #2 |
| 313 | .if \avg |
| 314 | ld1 {v5.8B}, [x0] |
| 315 | urhadd v7.8B, v7.8B, v5.8B |
| 316 | .endif |
| 317 | st1 {v7.8B}, [x0], x2 |
| 318 | |
| 319 | ret |
| 320 | .endm |
| 321 | |
| 322 | .macro pixfunc pfx, name, suf, rnd=1, avg=0 |
| 323 | .if \rnd |
| 324 | .macro avg rd, rn, rm |
| 325 | urhadd \rd, \rn, \rm |
| 326 | .endm |
| 327 | .macro mshrn rd, rn, rm |
| 328 | rshrn \rd, \rn, \rm |
| 329 | .endm |
| 330 | .macro mshrn2 rd, rn, rm |
| 331 | rshrn2 \rd, \rn, \rm |
| 332 | .endm |
| 333 | .macro NRND insn:vararg |
| 334 | .endm |
| 335 | .else |
| 336 | .macro avg rd, rn, rm |
| 337 | uhadd \rd, \rn, \rm |
| 338 | .endm |
| 339 | .macro mshrn rd, rn, rm |
| 340 | shrn \rd, \rn, \rm |
| 341 | .endm |
| 342 | .macro mshrn2 rd, rn, rm |
| 343 | shrn2 \rd, \rn, \rm |
| 344 | .endm |
| 345 | .macro NRND insn:vararg |
| 346 | \insn |
| 347 | .endm |
| 348 | .endif |
| 349 | function ff_\pfx\name\suf\()_neon, export=1 |
| 350 | \name \rnd, \avg |
| 351 | endfunc |
| 352 | .purgem avg |
| 353 | .purgem mshrn |
| 354 | .purgem mshrn2 |
| 355 | .purgem NRND |
| 356 | .endm |
| 357 | |
| 358 | .macro pixfunc2 pfx, name, avg=0 |
| 359 | pixfunc \pfx, \name, rnd=1, avg=\avg |
| 360 | pixfunc \pfx, \name, _no_rnd, rnd=0, avg=\avg |
| 361 | .endm |
| 362 | |
| 363 | function ff_put_h264_qpel16_mc00_neon, export=1 |
| 364 | mov w3, #16 |
| 365 | endfunc |
| 366 | |
| 367 | pixfunc put_, pixels16, avg=0 |
| 368 | pixfunc2 put_, pixels16_x2, avg=0 |
| 369 | pixfunc2 put_, pixels16_y2, avg=0 |
| 370 | pixfunc2 put_, pixels16_xy2, avg=0 |
| 371 | |
| 372 | function ff_avg_h264_qpel16_mc00_neon, export=1 |
| 373 | mov w3, #16 |
| 374 | endfunc |
| 375 | |
| 376 | pixfunc avg_, pixels16, avg=1 |
| 377 | pixfunc2 avg_, pixels16_x2, avg=1 |
| 378 | pixfunc2 avg_, pixels16_y2, avg=1 |
| 379 | pixfunc2 avg_, pixels16_xy2, avg=1 |
| 380 | |
| 381 | function ff_put_h264_qpel8_mc00_neon, export=1 |
| 382 | mov w3, #8 |
| 383 | endfunc |
| 384 | |
| 385 | pixfunc put_, pixels8, avg=0 |
| 386 | pixfunc2 put_, pixels8_x2, avg=0 |
| 387 | pixfunc2 put_, pixels8_y2, avg=0 |
| 388 | pixfunc2 put_, pixels8_xy2, avg=0 |
| 389 | |
| 390 | function ff_avg_h264_qpel8_mc00_neon, export=1 |
| 391 | mov w3, #8 |
| 392 | endfunc |
| 393 | |
| 394 | pixfunc avg_, pixels8, avg=1 |
| 395 | pixfunc avg_, pixels8_x2, avg=1 |
| 396 | pixfunc avg_, pixels8_y2, avg=1 |
| 397 | pixfunc avg_, pixels8_xy2, avg=1 |