1/* 2 * Copyright (c) 2014 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#if defined(_MSC_VER) && _MSC_VER <= 1500 12// Need to include math.h before calling tmmintrin.h/intrin.h 13// in certain versions of MSVS. 14#include <math.h> 15#endif 16#include <tmmintrin.h> // SSSE3 17#include "vp9/common/x86/vp9_idct_intrin_sse2.h" 18 19static void idct16_8col(__m128i *in, int round) { 20 const __m128i k__cospi_p30_m02 = pair_set_epi16(cospi_30_64, -cospi_2_64); 21 const __m128i k__cospi_p02_p30 = pair_set_epi16(cospi_2_64, cospi_30_64); 22 const __m128i k__cospi_p14_m18 = pair_set_epi16(cospi_14_64, -cospi_18_64); 23 const __m128i k__cospi_p18_p14 = pair_set_epi16(cospi_18_64, cospi_14_64); 24 const __m128i k__cospi_p22_m10 = pair_set_epi16(cospi_22_64, -cospi_10_64); 25 const __m128i k__cospi_p10_p22 = pair_set_epi16(cospi_10_64, cospi_22_64); 26 const __m128i k__cospi_p06_m26 = pair_set_epi16(cospi_6_64, -cospi_26_64); 27 const __m128i k__cospi_p26_p06 = pair_set_epi16(cospi_26_64, cospi_6_64); 28 const __m128i k__cospi_p28_m04 = pair_set_epi16(cospi_28_64, -cospi_4_64); 29 const __m128i k__cospi_p04_p28 = pair_set_epi16(cospi_4_64, cospi_28_64); 30 const __m128i k__cospi_p12_m20 = pair_set_epi16(cospi_12_64, -cospi_20_64); 31 const __m128i k__cospi_p20_p12 = pair_set_epi16(cospi_20_64, cospi_12_64); 32 const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64); 33 const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64); 34 const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64); 35 const __m128i k__cospi_p24_p08 = pair_set_epi16(cospi_24_64, cospi_8_64); 36 const __m128i k__cospi_m24_m08 = pair_set_epi16(-cospi_24_64, -cospi_8_64); 37 const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING); 38 const __m128i k__cospi_p16_p16_x2 = pair_set_epi16(23170, 23170); 39 const __m128i k__cospi_p16_p16 = _mm_set1_epi16(cospi_16_64); 40 const __m128i k__cospi_m16_p16 = pair_set_epi16(-cospi_16_64, cospi_16_64); 41 42 __m128i v[16], u[16], s[16], t[16]; 43 44 // stage 1 45 s[0] = in[0]; 46 s[1] = in[8]; 47 s[2] = in[4]; 48 s[3] = in[12]; 49 s[4] = in[2]; 50 s[5] = in[10]; 51 s[6] = in[6]; 52 s[7] = in[14]; 53 s[8] = in[1]; 54 s[9] = in[9]; 55 s[10] = in[5]; 56 s[11] = in[13]; 57 s[12] = in[3]; 58 s[13] = in[11]; 59 s[14] = in[7]; 60 s[15] = in[15]; 61 62 // stage 2 63 u[0] = _mm_unpacklo_epi16(s[8], s[15]); 64 u[1] = _mm_unpackhi_epi16(s[8], s[15]); 65 u[2] = _mm_unpacklo_epi16(s[9], s[14]); 66 u[3] = _mm_unpackhi_epi16(s[9], s[14]); 67 u[4] = _mm_unpacklo_epi16(s[10], s[13]); 68 u[5] = _mm_unpackhi_epi16(s[10], s[13]); 69 u[6] = _mm_unpacklo_epi16(s[11], s[12]); 70 u[7] = _mm_unpackhi_epi16(s[11], s[12]); 71 72 v[0] = _mm_madd_epi16(u[0], k__cospi_p30_m02); 73 v[1] = _mm_madd_epi16(u[1], k__cospi_p30_m02); 74 v[2] = _mm_madd_epi16(u[0], k__cospi_p02_p30); 75 v[3] = _mm_madd_epi16(u[1], k__cospi_p02_p30); 76 v[4] = _mm_madd_epi16(u[2], k__cospi_p14_m18); 77 v[5] = _mm_madd_epi16(u[3], k__cospi_p14_m18); 78 v[6] = _mm_madd_epi16(u[2], k__cospi_p18_p14); 79 v[7] = _mm_madd_epi16(u[3], k__cospi_p18_p14); 80 v[8] = _mm_madd_epi16(u[4], k__cospi_p22_m10); 81 v[9] = _mm_madd_epi16(u[5], k__cospi_p22_m10); 82 v[10] = _mm_madd_epi16(u[4], k__cospi_p10_p22); 83 v[11] = _mm_madd_epi16(u[5], k__cospi_p10_p22); 84 v[12] = _mm_madd_epi16(u[6], k__cospi_p06_m26); 85 v[13] = _mm_madd_epi16(u[7], k__cospi_p06_m26); 86 v[14] = _mm_madd_epi16(u[6], k__cospi_p26_p06); 87 v[15] = _mm_madd_epi16(u[7], k__cospi_p26_p06); 88 89 u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING); 90 u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING); 91 u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING); 92 u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING); 93 u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING); 94 u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING); 95 u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING); 96 u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING); 97 u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING); 98 u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING); 99 u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING); 100 u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING); 101 u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING); 102 u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING); 103 u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING); 104 u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING); 105 106 u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS); 107 u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS); 108 u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS); 109 u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS); 110 u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS); 111 u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS); 112 u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS); 113 u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS); 114 u[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS); 115 u[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS); 116 u[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS); 117 u[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS); 118 u[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS); 119 u[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS); 120 u[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS); 121 u[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS); 122 123 s[8] = _mm_packs_epi32(u[0], u[1]); 124 s[15] = _mm_packs_epi32(u[2], u[3]); 125 s[9] = _mm_packs_epi32(u[4], u[5]); 126 s[14] = _mm_packs_epi32(u[6], u[7]); 127 s[10] = _mm_packs_epi32(u[8], u[9]); 128 s[13] = _mm_packs_epi32(u[10], u[11]); 129 s[11] = _mm_packs_epi32(u[12], u[13]); 130 s[12] = _mm_packs_epi32(u[14], u[15]); 131 132 // stage 3 133 t[0] = s[0]; 134 t[1] = s[1]; 135 t[2] = s[2]; 136 t[3] = s[3]; 137 u[0] = _mm_unpacklo_epi16(s[4], s[7]); 138 u[1] = _mm_unpackhi_epi16(s[4], s[7]); 139 u[2] = _mm_unpacklo_epi16(s[5], s[6]); 140 u[3] = _mm_unpackhi_epi16(s[5], s[6]); 141 142 v[0] = _mm_madd_epi16(u[0], k__cospi_p28_m04); 143 v[1] = _mm_madd_epi16(u[1], k__cospi_p28_m04); 144 v[2] = _mm_madd_epi16(u[0], k__cospi_p04_p28); 145 v[3] = _mm_madd_epi16(u[1], k__cospi_p04_p28); 146 v[4] = _mm_madd_epi16(u[2], k__cospi_p12_m20); 147 v[5] = _mm_madd_epi16(u[3], k__cospi_p12_m20); 148 v[6] = _mm_madd_epi16(u[2], k__cospi_p20_p12); 149 v[7] = _mm_madd_epi16(u[3], k__cospi_p20_p12); 150 151 u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING); 152 u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING); 153 u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING); 154 u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING); 155 u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING); 156 u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING); 157 u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING); 158 u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING); 159 160 u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS); 161 u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS); 162 u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS); 163 u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS); 164 u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS); 165 u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS); 166 u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS); 167 u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS); 168 169 t[4] = _mm_packs_epi32(u[0], u[1]); 170 t[7] = _mm_packs_epi32(u[2], u[3]); 171 t[5] = _mm_packs_epi32(u[4], u[5]); 172 t[6] = _mm_packs_epi32(u[6], u[7]); 173 t[8] = _mm_add_epi16(s[8], s[9]); 174 t[9] = _mm_sub_epi16(s[8], s[9]); 175 t[10] = _mm_sub_epi16(s[11], s[10]); 176 t[11] = _mm_add_epi16(s[10], s[11]); 177 t[12] = _mm_add_epi16(s[12], s[13]); 178 t[13] = _mm_sub_epi16(s[12], s[13]); 179 t[14] = _mm_sub_epi16(s[15], s[14]); 180 t[15] = _mm_add_epi16(s[14], s[15]); 181 182 // stage 4 183 u[0] = _mm_add_epi16(t[0], t[1]); 184 u[1] = _mm_sub_epi16(t[0], t[1]); 185 u[2] = _mm_unpacklo_epi16(t[2], t[3]); 186 u[3] = _mm_unpackhi_epi16(t[2], t[3]); 187 u[4] = _mm_unpacklo_epi16(t[9], t[14]); 188 u[5] = _mm_unpackhi_epi16(t[9], t[14]); 189 u[6] = _mm_unpacklo_epi16(t[10], t[13]); 190 u[7] = _mm_unpackhi_epi16(t[10], t[13]); 191 192 s[0] = _mm_mulhrs_epi16(u[0], k__cospi_p16_p16_x2); 193 s[1] = _mm_mulhrs_epi16(u[1], k__cospi_p16_p16_x2); 194 v[4] = _mm_madd_epi16(u[2], k__cospi_p24_m08); 195 v[5] = _mm_madd_epi16(u[3], k__cospi_p24_m08); 196 v[6] = _mm_madd_epi16(u[2], k__cospi_p08_p24); 197 v[7] = _mm_madd_epi16(u[3], k__cospi_p08_p24); 198 v[8] = _mm_madd_epi16(u[4], k__cospi_m08_p24); 199 v[9] = _mm_madd_epi16(u[5], k__cospi_m08_p24); 200 v[10] = _mm_madd_epi16(u[4], k__cospi_p24_p08); 201 v[11] = _mm_madd_epi16(u[5], k__cospi_p24_p08); 202 v[12] = _mm_madd_epi16(u[6], k__cospi_m24_m08); 203 v[13] = _mm_madd_epi16(u[7], k__cospi_m24_m08); 204 v[14] = _mm_madd_epi16(u[6], k__cospi_m08_p24); 205 v[15] = _mm_madd_epi16(u[7], k__cospi_m08_p24); 206 207 u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING); 208 u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING); 209 u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING); 210 u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING); 211 u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING); 212 u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING); 213 u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING); 214 u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING); 215 u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING); 216 u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING); 217 u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING); 218 u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING); 219 220 u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS); 221 u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS); 222 u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS); 223 u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS); 224 u[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS); 225 u[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS); 226 u[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS); 227 u[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS); 228 u[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS); 229 u[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS); 230 u[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS); 231 u[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS); 232 233 s[2] = _mm_packs_epi32(u[4], u[5]); 234 s[3] = _mm_packs_epi32(u[6], u[7]); 235 s[4] = _mm_add_epi16(t[4], t[5]); 236 s[5] = _mm_sub_epi16(t[4], t[5]); 237 s[6] = _mm_sub_epi16(t[7], t[6]); 238 s[7] = _mm_add_epi16(t[6], t[7]); 239 s[8] = t[8]; 240 s[15] = t[15]; 241 s[9] = _mm_packs_epi32(u[8], u[9]); 242 s[14] = _mm_packs_epi32(u[10], u[11]); 243 s[10] = _mm_packs_epi32(u[12], u[13]); 244 s[13] = _mm_packs_epi32(u[14], u[15]); 245 s[11] = t[11]; 246 s[12] = t[12]; 247 248 // stage 5 249 t[0] = _mm_add_epi16(s[0], s[3]); 250 t[1] = _mm_add_epi16(s[1], s[2]); 251 t[2] = _mm_sub_epi16(s[1], s[2]); 252 t[3] = _mm_sub_epi16(s[0], s[3]); 253 t[4] = s[4]; 254 t[7] = s[7]; 255 256 u[0] = _mm_sub_epi16(s[6], s[5]); 257 u[1] = _mm_add_epi16(s[6], s[5]); 258 t[5] = _mm_mulhrs_epi16(u[0], k__cospi_p16_p16_x2); 259 t[6] = _mm_mulhrs_epi16(u[1], k__cospi_p16_p16_x2); 260 261 t[8] = _mm_add_epi16(s[8], s[11]); 262 t[9] = _mm_add_epi16(s[9], s[10]); 263 t[10] = _mm_sub_epi16(s[9], s[10]); 264 t[11] = _mm_sub_epi16(s[8], s[11]); 265 t[12] = _mm_sub_epi16(s[15], s[12]); 266 t[13] = _mm_sub_epi16(s[14], s[13]); 267 t[14] = _mm_add_epi16(s[13], s[14]); 268 t[15] = _mm_add_epi16(s[12], s[15]); 269 270 // stage 6 271 if (round == 1) { 272 s[0] = _mm_add_epi16(t[0], t[7]); 273 s[1] = _mm_add_epi16(t[1], t[6]); 274 s[2] = _mm_add_epi16(t[2], t[5]); 275 s[3] = _mm_add_epi16(t[3], t[4]); 276 s[4] = _mm_sub_epi16(t[3], t[4]); 277 s[5] = _mm_sub_epi16(t[2], t[5]); 278 s[6] = _mm_sub_epi16(t[1], t[6]); 279 s[7] = _mm_sub_epi16(t[0], t[7]); 280 s[8] = t[8]; 281 s[9] = t[9]; 282 283 u[0] = _mm_unpacklo_epi16(t[10], t[13]); 284 u[1] = _mm_unpackhi_epi16(t[10], t[13]); 285 u[2] = _mm_unpacklo_epi16(t[11], t[12]); 286 u[3] = _mm_unpackhi_epi16(t[11], t[12]); 287 288 v[0] = _mm_madd_epi16(u[0], k__cospi_m16_p16); 289 v[1] = _mm_madd_epi16(u[1], k__cospi_m16_p16); 290 v[2] = _mm_madd_epi16(u[0], k__cospi_p16_p16); 291 v[3] = _mm_madd_epi16(u[1], k__cospi_p16_p16); 292 v[4] = _mm_madd_epi16(u[2], k__cospi_m16_p16); 293 v[5] = _mm_madd_epi16(u[3], k__cospi_m16_p16); 294 v[6] = _mm_madd_epi16(u[2], k__cospi_p16_p16); 295 v[7] = _mm_madd_epi16(u[3], k__cospi_p16_p16); 296 297 u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING); 298 u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING); 299 u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING); 300 u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING); 301 u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING); 302 u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING); 303 u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING); 304 u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING); 305 306 u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS); 307 u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS); 308 u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS); 309 u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS); 310 u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS); 311 u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS); 312 u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS); 313 u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS); 314 315 s[10] = _mm_packs_epi32(u[0], u[1]); 316 s[13] = _mm_packs_epi32(u[2], u[3]); 317 s[11] = _mm_packs_epi32(u[4], u[5]); 318 s[12] = _mm_packs_epi32(u[6], u[7]); 319 s[14] = t[14]; 320 s[15] = t[15]; 321 } else { 322 s[0] = _mm_add_epi16(t[0], t[7]); 323 s[1] = _mm_add_epi16(t[1], t[6]); 324 s[2] = _mm_add_epi16(t[2], t[5]); 325 s[3] = _mm_add_epi16(t[3], t[4]); 326 s[4] = _mm_sub_epi16(t[3], t[4]); 327 s[5] = _mm_sub_epi16(t[2], t[5]); 328 s[6] = _mm_sub_epi16(t[1], t[6]); 329 s[7] = _mm_sub_epi16(t[0], t[7]); 330 s[8] = t[8]; 331 s[9] = t[9]; 332 333 u[0] = _mm_sub_epi16(t[13], t[10]); 334 u[1] = _mm_add_epi16(t[13], t[10]); 335 u[2] = _mm_sub_epi16(t[12], t[11]); 336 u[3] = _mm_add_epi16(t[12], t[11]); 337 338 s[10] = _mm_mulhrs_epi16(u[0], k__cospi_p16_p16_x2); 339 s[13] = _mm_mulhrs_epi16(u[1], k__cospi_p16_p16_x2); 340 s[11] = _mm_mulhrs_epi16(u[2], k__cospi_p16_p16_x2); 341 s[12] = _mm_mulhrs_epi16(u[3], k__cospi_p16_p16_x2); 342 s[14] = t[14]; 343 s[15] = t[15]; 344 } 345 346 // stage 7 347 in[0] = _mm_add_epi16(s[0], s[15]); 348 in[1] = _mm_add_epi16(s[1], s[14]); 349 in[2] = _mm_add_epi16(s[2], s[13]); 350 in[3] = _mm_add_epi16(s[3], s[12]); 351 in[4] = _mm_add_epi16(s[4], s[11]); 352 in[5] = _mm_add_epi16(s[5], s[10]); 353 in[6] = _mm_add_epi16(s[6], s[9]); 354 in[7] = _mm_add_epi16(s[7], s[8]); 355 in[8] = _mm_sub_epi16(s[7], s[8]); 356 in[9] = _mm_sub_epi16(s[6], s[9]); 357 in[10] = _mm_sub_epi16(s[5], s[10]); 358 in[11] = _mm_sub_epi16(s[4], s[11]); 359 in[12] = _mm_sub_epi16(s[3], s[12]); 360 in[13] = _mm_sub_epi16(s[2], s[13]); 361 in[14] = _mm_sub_epi16(s[1], s[14]); 362 in[15] = _mm_sub_epi16(s[0], s[15]); 363} 364 365static void idct16_sse2(__m128i *in0, __m128i *in1, int round) { 366 array_transpose_16x16(in0, in1); 367 idct16_8col(in0, round); 368 idct16_8col(in1, round); 369} 370 371void vp9_idct16x16_256_add_ssse3(const int16_t *input, uint8_t *dest, 372 int stride) { 373 __m128i in0[16], in1[16]; 374 375 load_buffer_8x16(input, in0); 376 input += 8; 377 load_buffer_8x16(input, in1); 378 379 idct16_sse2(in0, in1, 0); 380 idct16_sse2(in0, in1, 1); 381 382 write_buffer_8x16(dest, in0, stride); 383 dest += 8; 384 write_buffer_8x16(dest, in1, stride); 385} 386 387static void idct16_10_r1(__m128i *in, __m128i *l) { 388 const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING); 389 const __m128i zero = _mm_setzero_si128(); 390 391 const __m128i stg2_01 = dual_set_epi16(3212, 32610); 392 const __m128i stg2_67 = dual_set_epi16(-9512, 31358); 393 const __m128i stg3_01 = dual_set_epi16(6392, 32138); 394 const __m128i stg4_01 = dual_set_epi16(23170, 23170); 395 396 397 398 const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64); 399 const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64); 400 const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64); 401 const __m128i stg4_7 = pair_set_epi16(-cospi_8_64, cospi_24_64); 402 403 __m128i stp1_0, stp1_1, stp1_4, stp1_6, 404 stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15; 405 __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7, 406 stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13; 407 __m128i tmp0, tmp1, tmp2, tmp3, tmp4; 408 409 // Stage2 410 { 411 const __m128i lo_1_15 = _mm_unpackhi_epi64(in[0], in[0]); 412 const __m128i lo_13_3 = _mm_unpackhi_epi64(in[1], in[1]); 413 414 stp2_8 = _mm_mulhrs_epi16(lo_1_15, stg2_01); 415 stp2_11 = _mm_mulhrs_epi16(lo_13_3, stg2_67); 416 } 417 418 // Stage3 419 { 420 const __m128i lo_2_14 = _mm_unpacklo_epi64(in[1], in[1]); 421 stp1_4 = _mm_mulhrs_epi16(lo_2_14, stg3_01); 422 423 stp1_13 = _mm_unpackhi_epi64(stp2_11, zero); 424 stp1_14 = _mm_unpackhi_epi64(stp2_8, zero); 425 } 426 427 // Stage4 428 { 429 const __m128i lo_0_8 = _mm_unpacklo_epi64(in[0], in[0]); 430 const __m128i lo_9_14 = _mm_unpacklo_epi16(stp2_8, stp1_14); 431 const __m128i lo_10_13 = _mm_unpacklo_epi16(stp2_11, stp1_13); 432 433 tmp0 = _mm_mulhrs_epi16(lo_0_8, stg4_01); 434 tmp1 = _mm_madd_epi16(lo_9_14, stg4_4); 435 tmp3 = _mm_madd_epi16(lo_9_14, stg4_5); 436 tmp2 = _mm_madd_epi16(lo_10_13, stg4_6); 437 tmp4 = _mm_madd_epi16(lo_10_13, stg4_7); 438 439 tmp1 = _mm_add_epi32(tmp1, rounding); 440 tmp3 = _mm_add_epi32(tmp3, rounding); 441 tmp2 = _mm_add_epi32(tmp2, rounding); 442 tmp4 = _mm_add_epi32(tmp4, rounding); 443 444 tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); 445 tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); 446 tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); 447 tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS); 448 449 stp1_0 = _mm_unpacklo_epi64(tmp0, tmp0); 450 stp1_1 = _mm_unpackhi_epi64(tmp0, tmp0); 451 stp2_9 = _mm_packs_epi32(tmp1, tmp3); 452 stp2_10 = _mm_packs_epi32(tmp2, tmp4); 453 454 stp2_6 = _mm_unpackhi_epi64(stp1_4, zero); 455 } 456 457 // Stage5 and Stage6 458 { 459 tmp0 = _mm_add_epi16(stp2_8, stp2_11); 460 tmp1 = _mm_sub_epi16(stp2_8, stp2_11); 461 tmp2 = _mm_add_epi16(stp2_9, stp2_10); 462 tmp3 = _mm_sub_epi16(stp2_9, stp2_10); 463 464 stp1_9 = _mm_unpacklo_epi64(tmp2, zero); 465 stp1_10 = _mm_unpacklo_epi64(tmp3, zero); 466 stp1_8 = _mm_unpacklo_epi64(tmp0, zero); 467 stp1_11 = _mm_unpacklo_epi64(tmp1, zero); 468 469 stp1_13 = _mm_unpackhi_epi64(tmp3, zero); 470 stp1_14 = _mm_unpackhi_epi64(tmp2, zero); 471 stp1_12 = _mm_unpackhi_epi64(tmp1, zero); 472 stp1_15 = _mm_unpackhi_epi64(tmp0, zero); 473 } 474 475 // Stage6 476 { 477 const __m128i lo_6_5 = _mm_add_epi16(stp2_6, stp1_4); 478 const __m128i lo_6_6 = _mm_sub_epi16(stp2_6, stp1_4); 479 const __m128i lo_10_13 = _mm_sub_epi16(stp1_13, stp1_10); 480 const __m128i lo_10_14 = _mm_add_epi16(stp1_13, stp1_10); 481 const __m128i lo_11_12 = _mm_sub_epi16(stp1_12, stp1_11); 482 const __m128i lo_11_13 = _mm_add_epi16(stp1_12, stp1_11); 483 484 tmp1 = _mm_unpacklo_epi64(lo_6_5, lo_6_6); 485 tmp0 = _mm_unpacklo_epi64(lo_10_13, lo_10_14); 486 tmp4 = _mm_unpacklo_epi64(lo_11_12, lo_11_13); 487 488 stp1_6 = _mm_mulhrs_epi16(tmp1, stg4_01); 489 tmp0 = _mm_mulhrs_epi16(tmp0, stg4_01); 490 tmp4 = _mm_mulhrs_epi16(tmp4, stg4_01); 491 492 stp2_10 = _mm_unpacklo_epi64(tmp0, zero); 493 stp2_13 = _mm_unpackhi_epi64(tmp0, zero); 494 stp2_11 = _mm_unpacklo_epi64(tmp4, zero); 495 stp2_12 = _mm_unpackhi_epi64(tmp4, zero); 496 497 tmp0 = _mm_add_epi16(stp1_0, stp1_4); 498 tmp1 = _mm_sub_epi16(stp1_0, stp1_4); 499 tmp2 = _mm_add_epi16(stp1_1, stp1_6); 500 tmp3 = _mm_sub_epi16(stp1_1, stp1_6); 501 502 stp2_0 = _mm_unpackhi_epi64(tmp0, zero); 503 stp2_1 = _mm_unpacklo_epi64(tmp2, zero); 504 stp2_2 = _mm_unpackhi_epi64(tmp2, zero); 505 stp2_3 = _mm_unpacklo_epi64(tmp0, zero); 506 stp2_4 = _mm_unpacklo_epi64(tmp1, zero); 507 stp2_5 = _mm_unpackhi_epi64(tmp3, zero); 508 stp2_6 = _mm_unpacklo_epi64(tmp3, zero); 509 stp2_7 = _mm_unpackhi_epi64(tmp1, zero); 510 } 511 512 // Stage7. Left 8x16 only. 513 l[0] = _mm_add_epi16(stp2_0, stp1_15); 514 l[1] = _mm_add_epi16(stp2_1, stp1_14); 515 l[2] = _mm_add_epi16(stp2_2, stp2_13); 516 l[3] = _mm_add_epi16(stp2_3, stp2_12); 517 l[4] = _mm_add_epi16(stp2_4, stp2_11); 518 l[5] = _mm_add_epi16(stp2_5, stp2_10); 519 l[6] = _mm_add_epi16(stp2_6, stp1_9); 520 l[7] = _mm_add_epi16(stp2_7, stp1_8); 521 l[8] = _mm_sub_epi16(stp2_7, stp1_8); 522 l[9] = _mm_sub_epi16(stp2_6, stp1_9); 523 l[10] = _mm_sub_epi16(stp2_5, stp2_10); 524 l[11] = _mm_sub_epi16(stp2_4, stp2_11); 525 l[12] = _mm_sub_epi16(stp2_3, stp2_12); 526 l[13] = _mm_sub_epi16(stp2_2, stp2_13); 527 l[14] = _mm_sub_epi16(stp2_1, stp1_14); 528 l[15] = _mm_sub_epi16(stp2_0, stp1_15); 529} 530 531static void idct16_10_r2(__m128i *in) { 532 const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING); 533 534 const __m128i stg2_0 = dual_set_epi16(3212, 3212); 535 const __m128i stg2_1 = dual_set_epi16(32610, 32610); 536 const __m128i stg2_6 = dual_set_epi16(-9512, -9512); 537 const __m128i stg2_7 = dual_set_epi16(31358, 31358); 538 const __m128i stg3_0 = dual_set_epi16(6392, 6392); 539 const __m128i stg3_1 = dual_set_epi16(32138, 32138); 540 const __m128i stg4_01 = dual_set_epi16(23170, 23170); 541 542 const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64); 543 const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64); 544 const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64); 545 const __m128i stg4_7 = pair_set_epi16(-cospi_8_64, cospi_24_64); 546 547 __m128i stp1_0, stp1_2, stp1_3, stp1_5, stp1_6, 548 stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15, 549 stp1_8_0, stp1_12_0; 550 __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7, 551 stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14; 552 __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; 553 554 /* Stage2 */ 555 { 556 stp1_8_0 = _mm_mulhrs_epi16(in[1], stg2_0); 557 stp1_15 = _mm_mulhrs_epi16(in[1], stg2_1); 558 stp1_11 = _mm_mulhrs_epi16(in[3], stg2_6); 559 stp1_12_0 = _mm_mulhrs_epi16(in[3], stg2_7); 560 } 561 562 /* Stage3 */ 563 { 564 stp2_4 = _mm_mulhrs_epi16(in[2], stg3_0); 565 stp2_7 = _mm_mulhrs_epi16(in[2], stg3_1); 566 567 stp1_9 = stp1_8_0; 568 stp1_10 = stp1_11; 569 570 stp1_13 = stp1_12_0; 571 stp1_14 = stp1_15; 572 } 573 574 /* Stage4 */ 575 { 576 const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14); 577 const __m128i hi_9_14 = _mm_unpackhi_epi16(stp1_9, stp1_14); 578 const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); 579 const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); 580 581 stp1_0 = _mm_mulhrs_epi16(in[0], stg4_01); 582 583 stp2_5 = stp2_4; 584 stp2_6 = stp2_7; 585 586 587 tmp0 = _mm_madd_epi16(lo_9_14, stg4_4); 588 tmp1 = _mm_madd_epi16(hi_9_14, stg4_4); 589 tmp2 = _mm_madd_epi16(lo_9_14, stg4_5); 590 tmp3 = _mm_madd_epi16(hi_9_14, stg4_5); 591 tmp4 = _mm_madd_epi16(lo_10_13, stg4_6); 592 tmp5 = _mm_madd_epi16(hi_10_13, stg4_6); 593 tmp6 = _mm_madd_epi16(lo_10_13, stg4_7); 594 tmp7 = _mm_madd_epi16(hi_10_13, stg4_7); 595 596 tmp0 = _mm_add_epi32(tmp0, rounding); 597 tmp1 = _mm_add_epi32(tmp1, rounding); 598 tmp2 = _mm_add_epi32(tmp2, rounding); 599 tmp3 = _mm_add_epi32(tmp3, rounding); 600 tmp4 = _mm_add_epi32(tmp4, rounding); 601 tmp5 = _mm_add_epi32(tmp5, rounding); 602 tmp6 = _mm_add_epi32(tmp6, rounding); 603 tmp7 = _mm_add_epi32(tmp7, rounding); 604 605 tmp0 = _mm_srai_epi32(tmp0, 14); 606 tmp1 = _mm_srai_epi32(tmp1, 14); 607 tmp2 = _mm_srai_epi32(tmp2, 14); 608 tmp3 = _mm_srai_epi32(tmp3, 14); 609 tmp4 = _mm_srai_epi32(tmp4, 14); 610 tmp5 = _mm_srai_epi32(tmp5, 14); 611 tmp6 = _mm_srai_epi32(tmp6, 14); 612 tmp7 = _mm_srai_epi32(tmp7, 14); 613 614 stp2_9 = _mm_packs_epi32(tmp0, tmp1); 615 stp2_14 = _mm_packs_epi32(tmp2, tmp3); 616 stp2_10 = _mm_packs_epi32(tmp4, tmp5); 617 stp2_13 = _mm_packs_epi32(tmp6, tmp7); 618 } 619 620 /* Stage5 */ 621 { 622 stp1_2 = stp1_0; 623 stp1_3 = stp1_0; 624 625 tmp0 = _mm_sub_epi16(stp2_6, stp2_5); 626 tmp1 = _mm_add_epi16(stp2_6, stp2_5); 627 628 stp1_5 = _mm_mulhrs_epi16(tmp0, stg4_01); 629 stp1_6 = _mm_mulhrs_epi16(tmp1, stg4_01); 630 631 stp1_8 = _mm_add_epi16(stp1_8_0, stp1_11); 632 stp1_9 = _mm_add_epi16(stp2_9, stp2_10); 633 stp1_10 = _mm_sub_epi16(stp2_9, stp2_10); 634 stp1_11 = _mm_sub_epi16(stp1_8_0, stp1_11); 635 636 stp1_12 = _mm_sub_epi16(stp1_15, stp1_12_0); 637 stp1_13 = _mm_sub_epi16(stp2_14, stp2_13); 638 stp1_14 = _mm_add_epi16(stp2_14, stp2_13); 639 stp1_15 = _mm_add_epi16(stp1_15, stp1_12_0); 640 } 641 642 /* Stage6 */ 643 { 644 stp2_0 = _mm_add_epi16(stp1_0, stp2_7); 645 stp2_1 = _mm_add_epi16(stp1_0, stp1_6); 646 stp2_2 = _mm_add_epi16(stp1_2, stp1_5); 647 stp2_3 = _mm_add_epi16(stp1_3, stp2_4); 648 649 tmp0 = _mm_sub_epi16(stp1_13, stp1_10); 650 tmp1 = _mm_add_epi16(stp1_13, stp1_10); 651 tmp2 = _mm_sub_epi16(stp1_12, stp1_11); 652 tmp3 = _mm_add_epi16(stp1_12, stp1_11); 653 654 stp2_4 = _mm_sub_epi16(stp1_3, stp2_4); 655 stp2_5 = _mm_sub_epi16(stp1_2, stp1_5); 656 stp2_6 = _mm_sub_epi16(stp1_0, stp1_6); 657 stp2_7 = _mm_sub_epi16(stp1_0, stp2_7); 658 659 stp2_10 = _mm_mulhrs_epi16(tmp0, stg4_01); 660 stp2_13 = _mm_mulhrs_epi16(tmp1, stg4_01); 661 stp2_11 = _mm_mulhrs_epi16(tmp2, stg4_01); 662 stp2_12 = _mm_mulhrs_epi16(tmp3, stg4_01); 663 } 664 665 // Stage7 666 in[0] = _mm_add_epi16(stp2_0, stp1_15); 667 in[1] = _mm_add_epi16(stp2_1, stp1_14); 668 in[2] = _mm_add_epi16(stp2_2, stp2_13); 669 in[3] = _mm_add_epi16(stp2_3, stp2_12); 670 in[4] = _mm_add_epi16(stp2_4, stp2_11); 671 in[5] = _mm_add_epi16(stp2_5, stp2_10); 672 in[6] = _mm_add_epi16(stp2_6, stp1_9); 673 in[7] = _mm_add_epi16(stp2_7, stp1_8); 674 in[8] = _mm_sub_epi16(stp2_7, stp1_8); 675 in[9] = _mm_sub_epi16(stp2_6, stp1_9); 676 in[10] = _mm_sub_epi16(stp2_5, stp2_10); 677 in[11] = _mm_sub_epi16(stp2_4, stp2_11); 678 in[12] = _mm_sub_epi16(stp2_3, stp2_12); 679 in[13] = _mm_sub_epi16(stp2_2, stp2_13); 680 in[14] = _mm_sub_epi16(stp2_1, stp1_14); 681 in[15] = _mm_sub_epi16(stp2_0, stp1_15); 682} 683 684void vp9_idct16x16_10_add_ssse3(const int16_t *input, uint8_t *dest, 685 int stride) { 686 const __m128i final_rounding = _mm_set1_epi16(1<<5); 687 const __m128i zero = _mm_setzero_si128(); 688 __m128i in[16], l[16]; 689 690 int i; 691 // First 1-D inverse DCT 692 // Load input data. 693 in[0] = _mm_load_si128((const __m128i *)input); 694 in[1] = _mm_load_si128((const __m128i *)(input + 8 * 2)); 695 in[2] = _mm_load_si128((const __m128i *)(input + 8 * 4)); 696 in[3] = _mm_load_si128((const __m128i *)(input + 8 * 6)); 697 698 TRANSPOSE_8X4(in[0], in[1], in[2], in[3], in[0], in[1]); 699 700 idct16_10_r1(in, l); 701 702 // Second 1-D inverse transform, performed per 8x16 block 703 for (i = 0; i < 2; i++) { 704 array_transpose_4X8(l + 8*i, in); 705 706 idct16_10_r2(in); 707 708 // Final rounding and shift 709 in[0] = _mm_adds_epi16(in[0], final_rounding); 710 in[1] = _mm_adds_epi16(in[1], final_rounding); 711 in[2] = _mm_adds_epi16(in[2], final_rounding); 712 in[3] = _mm_adds_epi16(in[3], final_rounding); 713 in[4] = _mm_adds_epi16(in[4], final_rounding); 714 in[5] = _mm_adds_epi16(in[5], final_rounding); 715 in[6] = _mm_adds_epi16(in[6], final_rounding); 716 in[7] = _mm_adds_epi16(in[7], final_rounding); 717 in[8] = _mm_adds_epi16(in[8], final_rounding); 718 in[9] = _mm_adds_epi16(in[9], final_rounding); 719 in[10] = _mm_adds_epi16(in[10], final_rounding); 720 in[11] = _mm_adds_epi16(in[11], final_rounding); 721 in[12] = _mm_adds_epi16(in[12], final_rounding); 722 in[13] = _mm_adds_epi16(in[13], final_rounding); 723 in[14] = _mm_adds_epi16(in[14], final_rounding); 724 in[15] = _mm_adds_epi16(in[15], final_rounding); 725 726 in[0] = _mm_srai_epi16(in[0], 6); 727 in[1] = _mm_srai_epi16(in[1], 6); 728 in[2] = _mm_srai_epi16(in[2], 6); 729 in[3] = _mm_srai_epi16(in[3], 6); 730 in[4] = _mm_srai_epi16(in[4], 6); 731 in[5] = _mm_srai_epi16(in[5], 6); 732 in[6] = _mm_srai_epi16(in[6], 6); 733 in[7] = _mm_srai_epi16(in[7], 6); 734 in[8] = _mm_srai_epi16(in[8], 6); 735 in[9] = _mm_srai_epi16(in[9], 6); 736 in[10] = _mm_srai_epi16(in[10], 6); 737 in[11] = _mm_srai_epi16(in[11], 6); 738 in[12] = _mm_srai_epi16(in[12], 6); 739 in[13] = _mm_srai_epi16(in[13], 6); 740 in[14] = _mm_srai_epi16(in[14], 6); 741 in[15] = _mm_srai_epi16(in[15], 6); 742 743 RECON_AND_STORE(dest, in[0]); 744 RECON_AND_STORE(dest, in[1]); 745 RECON_AND_STORE(dest, in[2]); 746 RECON_AND_STORE(dest, in[3]); 747 RECON_AND_STORE(dest, in[4]); 748 RECON_AND_STORE(dest, in[5]); 749 RECON_AND_STORE(dest, in[6]); 750 RECON_AND_STORE(dest, in[7]); 751 RECON_AND_STORE(dest, in[8]); 752 RECON_AND_STORE(dest, in[9]); 753 RECON_AND_STORE(dest, in[10]); 754 RECON_AND_STORE(dest, in[11]); 755 RECON_AND_STORE(dest, in[12]); 756 RECON_AND_STORE(dest, in[13]); 757 RECON_AND_STORE(dest, in[14]); 758 RECON_AND_STORE(dest, in[15]); 759 760 dest += 8 - (stride * 16); 761 } 762} 763