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| 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 |
| 19 static 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 |
| 365 static 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 |
| 371 void 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 |
| 387 static 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 |
| 531 static 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 |
| 684 void 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 } |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 341293003:
libvpx: Pull from upstream (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libvpx/