1/* 2 * Copyright (c) 2017 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11#include <arm_neon.h> 12 13#include "./vpx_config.h" 14#include "./vpx_dsp_rtcd.h" 15#include "vpx_dsp/arm/idct_neon.h" 16#include "vpx_dsp/arm/transpose_neon.h" 17#include "vpx_dsp/txfm_common.h" 18 19// Only for the first pass of the _34_ variant. Since it only uses values from 20// the top left 8x8 it can safely assume all the remaining values are 0 and skip 21// an awful lot of calculations. In fact, only the first 6 columns make the cut. 22// None of the elements in the 7th or 8th column are used so it skips any calls 23// to input[67] too. 24// In C this does a single row of 32 for each call. Here it transposes the top 25// left 8x8 to allow using SIMD. 26 27// vp9/common/vp9_scan.c:vp9_default_iscan_32x32 arranges the first 34 non-zero 28// coefficients as follows: 29// 0 1 2 3 4 5 6 7 30// 0 0 2 5 10 17 25 31// 1 1 4 8 15 22 30 32// 2 3 7 12 18 28 33// 3 6 11 16 23 31 34// 4 9 14 19 29 35// 5 13 20 26 36// 6 21 27 33 37// 7 24 32 38static void vpx_highbd_idct32_6_neon(const tran_low_t *input, int32_t *output) { 39 int32x4x2_t in[8], s1[32], s2[32], s3[32]; 40 41 in[0].val[0] = vld1q_s32(input); 42 in[0].val[1] = vld1q_s32(input + 4); 43 input += 32; 44 in[1].val[0] = vld1q_s32(input); 45 in[1].val[1] = vld1q_s32(input + 4); 46 input += 32; 47 in[2].val[0] = vld1q_s32(input); 48 in[2].val[1] = vld1q_s32(input + 4); 49 input += 32; 50 in[3].val[0] = vld1q_s32(input); 51 in[3].val[1] = vld1q_s32(input + 4); 52 input += 32; 53 in[4].val[0] = vld1q_s32(input); 54 in[4].val[1] = vld1q_s32(input + 4); 55 input += 32; 56 in[5].val[0] = vld1q_s32(input); 57 in[5].val[1] = vld1q_s32(input + 4); 58 input += 32; 59 in[6].val[0] = vld1q_s32(input); 60 in[6].val[1] = vld1q_s32(input + 4); 61 input += 32; 62 in[7].val[0] = vld1q_s32(input); 63 in[7].val[1] = vld1q_s32(input + 4); 64 transpose_s32_8x8(&in[0], &in[1], &in[2], &in[3], &in[4], &in[5], &in[6], 65 &in[7]); 66 67 // stage 1 68 // input[1] * cospi_31_64 - input[31] * cospi_1_64 (but input[31] == 0) 69 s1[16] = multiply_shift_and_narrow_s32_dual(in[1], cospi_31_64); 70 // input[1] * cospi_1_64 + input[31] * cospi_31_64 (but input[31] == 0) 71 s1[31] = multiply_shift_and_narrow_s32_dual(in[1], cospi_1_64); 72 73 s1[20] = multiply_shift_and_narrow_s32_dual(in[5], cospi_27_64); 74 s1[27] = multiply_shift_and_narrow_s32_dual(in[5], cospi_5_64); 75 76 s1[23] = multiply_shift_and_narrow_s32_dual(in[3], -cospi_29_64); 77 s1[24] = multiply_shift_and_narrow_s32_dual(in[3], cospi_3_64); 78 79 // stage 2 80 s2[8] = multiply_shift_and_narrow_s32_dual(in[2], cospi_30_64); 81 s2[15] = multiply_shift_and_narrow_s32_dual(in[2], cospi_2_64); 82 83 // stage 3 84 s1[4] = multiply_shift_and_narrow_s32_dual(in[4], cospi_28_64); 85 s1[7] = multiply_shift_and_narrow_s32_dual(in[4], cospi_4_64); 86 87 s1[17] = multiply_accumulate_shift_and_narrow_s32_dual(s1[16], -cospi_4_64, 88 s1[31], cospi_28_64); 89 s1[30] = multiply_accumulate_shift_and_narrow_s32_dual(s1[16], cospi_28_64, 90 s1[31], cospi_4_64); 91 92 s1[21] = multiply_accumulate_shift_and_narrow_s32_dual(s1[20], -cospi_20_64, 93 s1[27], cospi_12_64); 94 s1[26] = multiply_accumulate_shift_and_narrow_s32_dual(s1[20], cospi_12_64, 95 s1[27], cospi_20_64); 96 97 s1[22] = multiply_accumulate_shift_and_narrow_s32_dual(s1[23], -cospi_12_64, 98 s1[24], -cospi_20_64); 99 s1[25] = multiply_accumulate_shift_and_narrow_s32_dual(s1[23], -cospi_20_64, 100 s1[24], cospi_12_64); 101 102 // stage 4 103 s1[0] = multiply_shift_and_narrow_s32_dual(in[0], cospi_16_64); 104 105 s2[9] = multiply_accumulate_shift_and_narrow_s32_dual(s2[8], -cospi_8_64, 106 s2[15], cospi_24_64); 107 s2[14] = multiply_accumulate_shift_and_narrow_s32_dual(s2[8], cospi_24_64, 108 s2[15], cospi_8_64); 109 110 s2[20] = highbd_idct_sub_dual(s1[23], s1[20]); 111 s2[21] = highbd_idct_sub_dual(s1[22], s1[21]); 112 s2[22] = highbd_idct_add_dual(s1[21], s1[22]); 113 s2[23] = highbd_idct_add_dual(s1[20], s1[23]); 114 s2[24] = highbd_idct_add_dual(s1[24], s1[27]); 115 s2[25] = highbd_idct_add_dual(s1[25], s1[26]); 116 s2[26] = highbd_idct_sub_dual(s1[25], s1[26]); 117 s2[27] = highbd_idct_sub_dual(s1[24], s1[27]); 118 119 // stage 5 120 s1[5] = sub_multiply_shift_and_narrow_s32_dual(s1[7], s1[4], cospi_16_64); 121 s1[6] = add_multiply_shift_and_narrow_s32_dual(s1[4], s1[7], cospi_16_64); 122 123 s1[18] = multiply_accumulate_shift_and_narrow_s32_dual(s1[17], -cospi_8_64, 124 s1[30], cospi_24_64); 125 s1[29] = multiply_accumulate_shift_and_narrow_s32_dual(s1[17], cospi_24_64, 126 s1[30], cospi_8_64); 127 128 s1[19] = multiply_accumulate_shift_and_narrow_s32_dual(s1[16], -cospi_8_64, 129 s1[31], cospi_24_64); 130 s1[28] = multiply_accumulate_shift_and_narrow_s32_dual(s1[16], cospi_24_64, 131 s1[31], cospi_8_64); 132 133 s1[20] = multiply_accumulate_shift_and_narrow_s32_dual(s2[20], -cospi_24_64, 134 s2[27], -cospi_8_64); 135 s1[27] = multiply_accumulate_shift_and_narrow_s32_dual(s2[20], -cospi_8_64, 136 s2[27], cospi_24_64); 137 138 s1[21] = multiply_accumulate_shift_and_narrow_s32_dual(s2[21], -cospi_24_64, 139 s2[26], -cospi_8_64); 140 s1[26] = multiply_accumulate_shift_and_narrow_s32_dual(s2[21], -cospi_8_64, 141 s2[26], cospi_24_64); 142 143 // stage 6 144 s2[0] = highbd_idct_add_dual(s1[0], s1[7]); 145 s2[1] = highbd_idct_add_dual(s1[0], s1[6]); 146 s2[2] = highbd_idct_add_dual(s1[0], s1[5]); 147 s2[3] = highbd_idct_add_dual(s1[0], s1[4]); 148 s2[4] = highbd_idct_sub_dual(s1[0], s1[4]); 149 s2[5] = highbd_idct_sub_dual(s1[0], s1[5]); 150 s2[6] = highbd_idct_sub_dual(s1[0], s1[6]); 151 s2[7] = highbd_idct_sub_dual(s1[0], s1[7]); 152 153 s2[10] = sub_multiply_shift_and_narrow_s32_dual(s2[14], s2[9], cospi_16_64); 154 s2[13] = add_multiply_shift_and_narrow_s32_dual(s2[9], s2[14], cospi_16_64); 155 156 s2[11] = sub_multiply_shift_and_narrow_s32_dual(s2[15], s2[8], cospi_16_64); 157 s2[12] = add_multiply_shift_and_narrow_s32_dual(s2[8], s2[15], cospi_16_64); 158 159 s2[16] = highbd_idct_add_dual(s1[16], s2[23]); 160 s2[17] = highbd_idct_add_dual(s1[17], s2[22]); 161 s2[18] = highbd_idct_add_dual(s1[18], s1[21]); 162 s2[19] = highbd_idct_add_dual(s1[19], s1[20]); 163 s2[20] = highbd_idct_sub_dual(s1[19], s1[20]); 164 s2[21] = highbd_idct_sub_dual(s1[18], s1[21]); 165 s2[22] = highbd_idct_sub_dual(s1[17], s2[22]); 166 s2[23] = highbd_idct_sub_dual(s1[16], s2[23]); 167 168 s3[24] = highbd_idct_sub_dual(s1[31], s2[24]); 169 s3[25] = highbd_idct_sub_dual(s1[30], s2[25]); 170 s3[26] = highbd_idct_sub_dual(s1[29], s1[26]); 171 s3[27] = highbd_idct_sub_dual(s1[28], s1[27]); 172 s2[28] = highbd_idct_add_dual(s1[27], s1[28]); 173 s2[29] = highbd_idct_add_dual(s1[26], s1[29]); 174 s2[30] = highbd_idct_add_dual(s2[25], s1[30]); 175 s2[31] = highbd_idct_add_dual(s2[24], s1[31]); 176 177 // stage 7 178 s1[0] = highbd_idct_add_dual(s2[0], s2[15]); 179 s1[1] = highbd_idct_add_dual(s2[1], s2[14]); 180 s1[2] = highbd_idct_add_dual(s2[2], s2[13]); 181 s1[3] = highbd_idct_add_dual(s2[3], s2[12]); 182 s1[4] = highbd_idct_add_dual(s2[4], s2[11]); 183 s1[5] = highbd_idct_add_dual(s2[5], s2[10]); 184 s1[6] = highbd_idct_add_dual(s2[6], s2[9]); 185 s1[7] = highbd_idct_add_dual(s2[7], s2[8]); 186 s1[8] = highbd_idct_sub_dual(s2[7], s2[8]); 187 s1[9] = highbd_idct_sub_dual(s2[6], s2[9]); 188 s1[10] = highbd_idct_sub_dual(s2[5], s2[10]); 189 s1[11] = highbd_idct_sub_dual(s2[4], s2[11]); 190 s1[12] = highbd_idct_sub_dual(s2[3], s2[12]); 191 s1[13] = highbd_idct_sub_dual(s2[2], s2[13]); 192 s1[14] = highbd_idct_sub_dual(s2[1], s2[14]); 193 s1[15] = highbd_idct_sub_dual(s2[0], s2[15]); 194 195 s1[20] = sub_multiply_shift_and_narrow_s32_dual(s3[27], s2[20], cospi_16_64); 196 s1[27] = add_multiply_shift_and_narrow_s32_dual(s2[20], s3[27], cospi_16_64); 197 198 s1[21] = sub_multiply_shift_and_narrow_s32_dual(s3[26], s2[21], cospi_16_64); 199 s1[26] = add_multiply_shift_and_narrow_s32_dual(s2[21], s3[26], cospi_16_64); 200 201 s1[22] = sub_multiply_shift_and_narrow_s32_dual(s3[25], s2[22], cospi_16_64); 202 s1[25] = add_multiply_shift_and_narrow_s32_dual(s2[22], s3[25], cospi_16_64); 203 204 s1[23] = sub_multiply_shift_and_narrow_s32_dual(s3[24], s2[23], cospi_16_64); 205 s1[24] = add_multiply_shift_and_narrow_s32_dual(s2[23], s3[24], cospi_16_64); 206 207 // final stage 208 s3[0] = highbd_idct_add_dual(s1[0], s2[31]); 209 s3[1] = highbd_idct_add_dual(s1[1], s2[30]); 210 s3[2] = highbd_idct_add_dual(s1[2], s2[29]); 211 s3[3] = highbd_idct_add_dual(s1[3], s2[28]); 212 s3[4] = highbd_idct_add_dual(s1[4], s1[27]); 213 s3[5] = highbd_idct_add_dual(s1[5], s1[26]); 214 s3[6] = highbd_idct_add_dual(s1[6], s1[25]); 215 s3[7] = highbd_idct_add_dual(s1[7], s1[24]); 216 s3[8] = highbd_idct_add_dual(s1[8], s1[23]); 217 s3[9] = highbd_idct_add_dual(s1[9], s1[22]); 218 s3[10] = highbd_idct_add_dual(s1[10], s1[21]); 219 s3[11] = highbd_idct_add_dual(s1[11], s1[20]); 220 s3[12] = highbd_idct_add_dual(s1[12], s2[19]); 221 s3[13] = highbd_idct_add_dual(s1[13], s2[18]); 222 s3[14] = highbd_idct_add_dual(s1[14], s2[17]); 223 s3[15] = highbd_idct_add_dual(s1[15], s2[16]); 224 s3[16] = highbd_idct_sub_dual(s1[15], s2[16]); 225 s3[17] = highbd_idct_sub_dual(s1[14], s2[17]); 226 s3[18] = highbd_idct_sub_dual(s1[13], s2[18]); 227 s3[19] = highbd_idct_sub_dual(s1[12], s2[19]); 228 s3[20] = highbd_idct_sub_dual(s1[11], s1[20]); 229 s3[21] = highbd_idct_sub_dual(s1[10], s1[21]); 230 s3[22] = highbd_idct_sub_dual(s1[9], s1[22]); 231 s3[23] = highbd_idct_sub_dual(s1[8], s1[23]); 232 s3[24] = highbd_idct_sub_dual(s1[7], s1[24]); 233 s3[25] = highbd_idct_sub_dual(s1[6], s1[25]); 234 s3[26] = highbd_idct_sub_dual(s1[5], s1[26]); 235 s3[27] = highbd_idct_sub_dual(s1[4], s1[27]); 236 s3[28] = highbd_idct_sub_dual(s1[3], s2[28]); 237 s3[29] = highbd_idct_sub_dual(s1[2], s2[29]); 238 s3[30] = highbd_idct_sub_dual(s1[1], s2[30]); 239 s3[31] = highbd_idct_sub_dual(s1[0], s2[31]); 240 241 vst1q_s32(output, s3[0].val[0]); 242 output += 4; 243 vst1q_s32(output, s3[0].val[1]); 244 output += 4; 245 vst1q_s32(output, s3[1].val[0]); 246 output += 4; 247 vst1q_s32(output, s3[1].val[1]); 248 output += 4; 249 vst1q_s32(output, s3[2].val[0]); 250 output += 4; 251 vst1q_s32(output, s3[2].val[1]); 252 output += 4; 253 vst1q_s32(output, s3[3].val[0]); 254 output += 4; 255 vst1q_s32(output, s3[3].val[1]); 256 output += 4; 257 vst1q_s32(output, s3[4].val[0]); 258 output += 4; 259 vst1q_s32(output, s3[4].val[1]); 260 output += 4; 261 vst1q_s32(output, s3[5].val[0]); 262 output += 4; 263 vst1q_s32(output, s3[5].val[1]); 264 output += 4; 265 vst1q_s32(output, s3[6].val[0]); 266 output += 4; 267 vst1q_s32(output, s3[6].val[1]); 268 output += 4; 269 vst1q_s32(output, s3[7].val[0]); 270 output += 4; 271 vst1q_s32(output, s3[7].val[1]); 272 output += 4; 273 274 vst1q_s32(output, s3[8].val[0]); 275 output += 4; 276 vst1q_s32(output, s3[8].val[1]); 277 output += 4; 278 vst1q_s32(output, s3[9].val[0]); 279 output += 4; 280 vst1q_s32(output, s3[9].val[1]); 281 output += 4; 282 vst1q_s32(output, s3[10].val[0]); 283 output += 4; 284 vst1q_s32(output, s3[10].val[1]); 285 output += 4; 286 vst1q_s32(output, s3[11].val[0]); 287 output += 4; 288 vst1q_s32(output, s3[11].val[1]); 289 output += 4; 290 vst1q_s32(output, s3[12].val[0]); 291 output += 4; 292 vst1q_s32(output, s3[12].val[1]); 293 output += 4; 294 vst1q_s32(output, s3[13].val[0]); 295 output += 4; 296 vst1q_s32(output, s3[13].val[1]); 297 output += 4; 298 vst1q_s32(output, s3[14].val[0]); 299 output += 4; 300 vst1q_s32(output, s3[14].val[1]); 301 output += 4; 302 vst1q_s32(output, s3[15].val[0]); 303 output += 4; 304 vst1q_s32(output, s3[15].val[1]); 305 output += 4; 306 307 vst1q_s32(output, s3[16].val[0]); 308 output += 4; 309 vst1q_s32(output, s3[16].val[1]); 310 output += 4; 311 vst1q_s32(output, s3[17].val[0]); 312 output += 4; 313 vst1q_s32(output, s3[17].val[1]); 314 output += 4; 315 vst1q_s32(output, s3[18].val[0]); 316 output += 4; 317 vst1q_s32(output, s3[18].val[1]); 318 output += 4; 319 vst1q_s32(output, s3[19].val[0]); 320 output += 4; 321 vst1q_s32(output, s3[19].val[1]); 322 output += 4; 323 vst1q_s32(output, s3[20].val[0]); 324 output += 4; 325 vst1q_s32(output, s3[20].val[1]); 326 output += 4; 327 vst1q_s32(output, s3[21].val[0]); 328 output += 4; 329 vst1q_s32(output, s3[21].val[1]); 330 output += 4; 331 vst1q_s32(output, s3[22].val[0]); 332 output += 4; 333 vst1q_s32(output, s3[22].val[1]); 334 output += 4; 335 vst1q_s32(output, s3[23].val[0]); 336 output += 4; 337 vst1q_s32(output, s3[23].val[1]); 338 output += 4; 339 340 vst1q_s32(output, s3[24].val[0]); 341 output += 4; 342 vst1q_s32(output, s3[24].val[1]); 343 output += 4; 344 vst1q_s32(output, s3[25].val[0]); 345 output += 4; 346 vst1q_s32(output, s3[25].val[1]); 347 output += 4; 348 vst1q_s32(output, s3[26].val[0]); 349 output += 4; 350 vst1q_s32(output, s3[26].val[1]); 351 output += 4; 352 vst1q_s32(output, s3[27].val[0]); 353 output += 4; 354 vst1q_s32(output, s3[27].val[1]); 355 output += 4; 356 vst1q_s32(output, s3[28].val[0]); 357 output += 4; 358 vst1q_s32(output, s3[28].val[1]); 359 output += 4; 360 vst1q_s32(output, s3[29].val[0]); 361 output += 4; 362 vst1q_s32(output, s3[29].val[1]); 363 output += 4; 364 vst1q_s32(output, s3[30].val[0]); 365 output += 4; 366 vst1q_s32(output, s3[30].val[1]); 367 output += 4; 368 vst1q_s32(output, s3[31].val[0]); 369 output += 4; 370 vst1q_s32(output, s3[31].val[1]); 371} 372 373static void vpx_highbd_idct32_8_neon(const int32_t *input, uint16_t *output, 374 int stride, const int bd) { 375 int32x4x2_t in[8], s1[32], s2[32], s3[32], out[32]; 376 377 load_and_transpose_s32_8x8(input, 8, &in[0], &in[1], &in[2], &in[3], &in[4], 378 &in[5], &in[6], &in[7]); 379 380 // stage 1 381 s1[16] = multiply_shift_and_narrow_s32_dual(in[1], cospi_31_64); 382 s1[31] = multiply_shift_and_narrow_s32_dual(in[1], cospi_1_64); 383 384 // Different for _8_ 385 s1[19] = multiply_shift_and_narrow_s32_dual(in[7], -cospi_25_64); 386 s1[28] = multiply_shift_and_narrow_s32_dual(in[7], cospi_7_64); 387 388 s1[20] = multiply_shift_and_narrow_s32_dual(in[5], cospi_27_64); 389 s1[27] = multiply_shift_and_narrow_s32_dual(in[5], cospi_5_64); 390 391 s1[23] = multiply_shift_and_narrow_s32_dual(in[3], -cospi_29_64); 392 s1[24] = multiply_shift_and_narrow_s32_dual(in[3], cospi_3_64); 393 394 // stage 2 395 s2[8] = multiply_shift_and_narrow_s32_dual(in[2], cospi_30_64); 396 s2[15] = multiply_shift_and_narrow_s32_dual(in[2], cospi_2_64); 397 398 s2[11] = multiply_shift_and_narrow_s32_dual(in[6], -cospi_26_64); 399 s2[12] = multiply_shift_and_narrow_s32_dual(in[6], cospi_6_64); 400 401 // stage 3 402 s1[4] = multiply_shift_and_narrow_s32_dual(in[4], cospi_28_64); 403 s1[7] = multiply_shift_and_narrow_s32_dual(in[4], cospi_4_64); 404 405 s1[17] = multiply_accumulate_shift_and_narrow_s32_dual(s1[16], -cospi_4_64, 406 s1[31], cospi_28_64); 407 s1[30] = multiply_accumulate_shift_and_narrow_s32_dual(s1[16], cospi_28_64, 408 s1[31], cospi_4_64); 409 410 // Different for _8_ 411 s1[18] = multiply_accumulate_shift_and_narrow_s32_dual(s1[19], -cospi_28_64, 412 s1[28], -cospi_4_64); 413 s1[29] = multiply_accumulate_shift_and_narrow_s32_dual(s1[19], -cospi_4_64, 414 s1[28], cospi_28_64); 415 416 s1[21] = multiply_accumulate_shift_and_narrow_s32_dual(s1[20], -cospi_20_64, 417 s1[27], cospi_12_64); 418 s1[26] = multiply_accumulate_shift_and_narrow_s32_dual(s1[20], cospi_12_64, 419 s1[27], cospi_20_64); 420 421 s1[22] = multiply_accumulate_shift_and_narrow_s32_dual(s1[23], -cospi_12_64, 422 s1[24], -cospi_20_64); 423 s1[25] = multiply_accumulate_shift_and_narrow_s32_dual(s1[23], -cospi_20_64, 424 s1[24], cospi_12_64); 425 426 // stage 4 427 s1[0] = multiply_shift_and_narrow_s32_dual(in[0], cospi_16_64); 428 429 s2[9] = multiply_accumulate_shift_and_narrow_s32_dual(s2[8], -cospi_8_64, 430 s2[15], cospi_24_64); 431 s2[14] = multiply_accumulate_shift_and_narrow_s32_dual(s2[8], cospi_24_64, 432 s2[15], cospi_8_64); 433 434 s2[10] = multiply_accumulate_shift_and_narrow_s32_dual(s2[11], -cospi_24_64, 435 s2[12], -cospi_8_64); 436 s2[13] = multiply_accumulate_shift_and_narrow_s32_dual(s2[11], -cospi_8_64, 437 s2[12], cospi_24_64); 438 439 s2[16] = highbd_idct_add_dual(s1[16], s1[19]); 440 441 s2[17] = highbd_idct_add_dual(s1[17], s1[18]); 442 s2[18] = highbd_idct_sub_dual(s1[17], s1[18]); 443 444 s2[19] = highbd_idct_sub_dual(s1[16], s1[19]); 445 446 s2[20] = highbd_idct_sub_dual(s1[23], s1[20]); 447 s2[21] = highbd_idct_sub_dual(s1[22], s1[21]); 448 449 s2[22] = highbd_idct_add_dual(s1[21], s1[22]); 450 s2[23] = highbd_idct_add_dual(s1[20], s1[23]); 451 452 s2[24] = highbd_idct_add_dual(s1[24], s1[27]); 453 s2[25] = highbd_idct_add_dual(s1[25], s1[26]); 454 s2[26] = highbd_idct_sub_dual(s1[25], s1[26]); 455 s2[27] = highbd_idct_sub_dual(s1[24], s1[27]); 456 457 s2[28] = highbd_idct_sub_dual(s1[31], s1[28]); 458 s2[29] = highbd_idct_sub_dual(s1[30], s1[29]); 459 s2[30] = highbd_idct_add_dual(s1[29], s1[30]); 460 s2[31] = highbd_idct_add_dual(s1[28], s1[31]); 461 462 // stage 5 463 s1[5] = sub_multiply_shift_and_narrow_s32_dual(s1[7], s1[4], cospi_16_64); 464 s1[6] = add_multiply_shift_and_narrow_s32_dual(s1[4], s1[7], cospi_16_64); 465 466 s1[8] = highbd_idct_add_dual(s2[8], s2[11]); 467 s1[9] = highbd_idct_add_dual(s2[9], s2[10]); 468 s1[10] = highbd_idct_sub_dual(s2[9], s2[10]); 469 s1[11] = highbd_idct_sub_dual(s2[8], s2[11]); 470 s1[12] = highbd_idct_sub_dual(s2[15], s2[12]); 471 s1[13] = highbd_idct_sub_dual(s2[14], s2[13]); 472 s1[14] = highbd_idct_add_dual(s2[13], s2[14]); 473 s1[15] = highbd_idct_add_dual(s2[12], s2[15]); 474 475 s1[18] = multiply_accumulate_shift_and_narrow_s32_dual(s2[18], -cospi_8_64, 476 s2[29], cospi_24_64); 477 s1[29] = multiply_accumulate_shift_and_narrow_s32_dual(s2[18], cospi_24_64, 478 s2[29], cospi_8_64); 479 480 s1[19] = multiply_accumulate_shift_and_narrow_s32_dual(s2[19], -cospi_8_64, 481 s2[28], cospi_24_64); 482 s1[28] = multiply_accumulate_shift_and_narrow_s32_dual(s2[19], cospi_24_64, 483 s2[28], cospi_8_64); 484 485 s1[20] = multiply_accumulate_shift_and_narrow_s32_dual(s2[20], -cospi_24_64, 486 s2[27], -cospi_8_64); 487 s1[27] = multiply_accumulate_shift_and_narrow_s32_dual(s2[20], -cospi_8_64, 488 s2[27], cospi_24_64); 489 490 s1[21] = multiply_accumulate_shift_and_narrow_s32_dual(s2[21], -cospi_24_64, 491 s2[26], -cospi_8_64); 492 s1[26] = multiply_accumulate_shift_and_narrow_s32_dual(s2[21], -cospi_8_64, 493 s2[26], cospi_24_64); 494 495 // stage 6 496 s2[0] = highbd_idct_add_dual(s1[0], s1[7]); 497 s2[1] = highbd_idct_add_dual(s1[0], s1[6]); 498 s2[2] = highbd_idct_add_dual(s1[0], s1[5]); 499 s2[3] = highbd_idct_add_dual(s1[0], s1[4]); 500 s2[4] = highbd_idct_sub_dual(s1[0], s1[4]); 501 s2[5] = highbd_idct_sub_dual(s1[0], s1[5]); 502 s2[6] = highbd_idct_sub_dual(s1[0], s1[6]); 503 s2[7] = highbd_idct_sub_dual(s1[0], s1[7]); 504 505 s2[10] = sub_multiply_shift_and_narrow_s32_dual(s1[13], s1[10], cospi_16_64); 506 s2[13] = add_multiply_shift_and_narrow_s32_dual(s1[10], s1[13], cospi_16_64); 507 508 s2[11] = sub_multiply_shift_and_narrow_s32_dual(s1[12], s1[11], cospi_16_64); 509 s2[12] = add_multiply_shift_and_narrow_s32_dual(s1[11], s1[12], cospi_16_64); 510 511 s1[16] = highbd_idct_add_dual(s2[16], s2[23]); 512 s1[17] = highbd_idct_add_dual(s2[17], s2[22]); 513 s2[18] = highbd_idct_add_dual(s1[18], s1[21]); 514 s2[19] = highbd_idct_add_dual(s1[19], s1[20]); 515 s2[20] = highbd_idct_sub_dual(s1[19], s1[20]); 516 s2[21] = highbd_idct_sub_dual(s1[18], s1[21]); 517 s1[22] = highbd_idct_sub_dual(s2[17], s2[22]); 518 s1[23] = highbd_idct_sub_dual(s2[16], s2[23]); 519 520 s3[24] = highbd_idct_sub_dual(s2[31], s2[24]); 521 s3[25] = highbd_idct_sub_dual(s2[30], s2[25]); 522 s3[26] = highbd_idct_sub_dual(s1[29], s1[26]); 523 s3[27] = highbd_idct_sub_dual(s1[28], s1[27]); 524 s2[28] = highbd_idct_add_dual(s1[27], s1[28]); 525 s2[29] = highbd_idct_add_dual(s1[26], s1[29]); 526 s2[30] = highbd_idct_add_dual(s2[25], s2[30]); 527 s2[31] = highbd_idct_add_dual(s2[24], s2[31]); 528 529 // stage 7 530 s1[0] = highbd_idct_add_dual(s2[0], s1[15]); 531 s1[1] = highbd_idct_add_dual(s2[1], s1[14]); 532 s1[2] = highbd_idct_add_dual(s2[2], s2[13]); 533 s1[3] = highbd_idct_add_dual(s2[3], s2[12]); 534 s1[4] = highbd_idct_add_dual(s2[4], s2[11]); 535 s1[5] = highbd_idct_add_dual(s2[5], s2[10]); 536 s1[6] = highbd_idct_add_dual(s2[6], s1[9]); 537 s1[7] = highbd_idct_add_dual(s2[7], s1[8]); 538 s1[8] = highbd_idct_sub_dual(s2[7], s1[8]); 539 s1[9] = highbd_idct_sub_dual(s2[6], s1[9]); 540 s1[10] = highbd_idct_sub_dual(s2[5], s2[10]); 541 s1[11] = highbd_idct_sub_dual(s2[4], s2[11]); 542 s1[12] = highbd_idct_sub_dual(s2[3], s2[12]); 543 s1[13] = highbd_idct_sub_dual(s2[2], s2[13]); 544 s1[14] = highbd_idct_sub_dual(s2[1], s1[14]); 545 s1[15] = highbd_idct_sub_dual(s2[0], s1[15]); 546 547 s1[20] = sub_multiply_shift_and_narrow_s32_dual(s3[27], s2[20], cospi_16_64); 548 s1[27] = add_multiply_shift_and_narrow_s32_dual(s2[20], s3[27], cospi_16_64); 549 550 s1[21] = sub_multiply_shift_and_narrow_s32_dual(s3[26], s2[21], cospi_16_64); 551 s1[26] = add_multiply_shift_and_narrow_s32_dual(s2[21], s3[26], cospi_16_64); 552 553 s2[22] = sub_multiply_shift_and_narrow_s32_dual(s3[25], s1[22], cospi_16_64); 554 s1[25] = add_multiply_shift_and_narrow_s32_dual(s1[22], s3[25], cospi_16_64); 555 556 s2[23] = sub_multiply_shift_and_narrow_s32_dual(s3[24], s1[23], cospi_16_64); 557 s1[24] = add_multiply_shift_and_narrow_s32_dual(s1[23], s3[24], cospi_16_64); 558 559 // final stage 560 out[0] = highbd_idct_add_dual(s1[0], s2[31]); 561 out[1] = highbd_idct_add_dual(s1[1], s2[30]); 562 out[2] = highbd_idct_add_dual(s1[2], s2[29]); 563 out[3] = highbd_idct_add_dual(s1[3], s2[28]); 564 out[4] = highbd_idct_add_dual(s1[4], s1[27]); 565 out[5] = highbd_idct_add_dual(s1[5], s1[26]); 566 out[6] = highbd_idct_add_dual(s1[6], s1[25]); 567 out[7] = highbd_idct_add_dual(s1[7], s1[24]); 568 out[8] = highbd_idct_add_dual(s1[8], s2[23]); 569 out[9] = highbd_idct_add_dual(s1[9], s2[22]); 570 out[10] = highbd_idct_add_dual(s1[10], s1[21]); 571 out[11] = highbd_idct_add_dual(s1[11], s1[20]); 572 out[12] = highbd_idct_add_dual(s1[12], s2[19]); 573 out[13] = highbd_idct_add_dual(s1[13], s2[18]); 574 out[14] = highbd_idct_add_dual(s1[14], s1[17]); 575 out[15] = highbd_idct_add_dual(s1[15], s1[16]); 576 out[16] = highbd_idct_sub_dual(s1[15], s1[16]); 577 out[17] = highbd_idct_sub_dual(s1[14], s1[17]); 578 out[18] = highbd_idct_sub_dual(s1[13], s2[18]); 579 out[19] = highbd_idct_sub_dual(s1[12], s2[19]); 580 out[20] = highbd_idct_sub_dual(s1[11], s1[20]); 581 out[21] = highbd_idct_sub_dual(s1[10], s1[21]); 582 out[22] = highbd_idct_sub_dual(s1[9], s2[22]); 583 out[23] = highbd_idct_sub_dual(s1[8], s2[23]); 584 out[24] = highbd_idct_sub_dual(s1[7], s1[24]); 585 out[25] = highbd_idct_sub_dual(s1[6], s1[25]); 586 out[26] = highbd_idct_sub_dual(s1[5], s1[26]); 587 out[27] = highbd_idct_sub_dual(s1[4], s1[27]); 588 out[28] = highbd_idct_sub_dual(s1[3], s2[28]); 589 out[29] = highbd_idct_sub_dual(s1[2], s2[29]); 590 out[30] = highbd_idct_sub_dual(s1[1], s2[30]); 591 out[31] = highbd_idct_sub_dual(s1[0], s2[31]); 592 593 highbd_idct16x16_add_store(out, output, stride, bd); 594 highbd_idct16x16_add_store(out + 16, output + 16 * stride, stride, bd); 595} 596 597void vpx_highbd_idct32x32_34_add_neon(const tran_low_t *input, uint16_t *dest, 598 int stride, int bd) { 599 int i; 600 601 if (bd == 8) { 602 int16_t temp[32 * 8]; 603 int16_t *t = temp; 604 605 vpx_idct32_6_neon(input, t); 606 607 for (i = 0; i < 32; i += 8) { 608 vpx_idct32_8_neon(t, dest, stride, 1); 609 t += (8 * 8); 610 dest += 8; 611 } 612 } else { 613 int32_t temp[32 * 8]; 614 int32_t *t = temp; 615 616 vpx_highbd_idct32_6_neon(input, t); 617 618 for (i = 0; i < 32; i += 8) { 619 vpx_highbd_idct32_8_neon(t, dest, stride, bd); 620 t += (8 * 8); 621 dest += 8; 622 } 623 } 624} 625