1 /* 2 * Copyright (c) 2015 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 <emmintrin.h> // SSE2 12 13 #include "./vpx_dsp_rtcd.h" 14 #include "vpx_dsp/x86/inv_txfm_sse2.h" 15 #include "vpx_dsp/x86/transpose_sse2.h" 16 #include "vpx_dsp/x86/txfm_common_sse2.h" 17 18 static INLINE void transpose_16bit_4(__m128i *res) { 19 const __m128i tr0_0 = _mm_unpacklo_epi16(res[0], res[1]); 20 const __m128i tr0_1 = _mm_unpackhi_epi16(res[0], res[1]); 21 22 res[0] = _mm_unpacklo_epi16(tr0_0, tr0_1); 23 res[1] = _mm_unpackhi_epi16(tr0_0, tr0_1); 24 } 25 26 void vpx_idct4x4_16_add_sse2(const tran_low_t *input, uint8_t *dest, 27 int stride) { 28 const __m128i eight = _mm_set1_epi16(8); 29 __m128i in[2]; 30 31 // Rows 32 in[0] = load_input_data8(input); 33 in[1] = load_input_data8(input + 8); 34 idct4_sse2(in); 35 36 // Columns 37 idct4_sse2(in); 38 39 // Final round and shift 40 in[0] = _mm_add_epi16(in[0], eight); 41 in[1] = _mm_add_epi16(in[1], eight); 42 in[0] = _mm_srai_epi16(in[0], 4); 43 in[1] = _mm_srai_epi16(in[1], 4); 44 45 recon_and_store4x4_sse2(in, dest, stride); 46 } 47 48 void vpx_idct4x4_1_add_sse2(const tran_low_t *input, uint8_t *dest, 49 int stride) { 50 const __m128i zero = _mm_setzero_si128(); 51 int a; 52 __m128i dc_value, d[2]; 53 54 a = (int)dct_const_round_shift((int16_t)input[0] * cospi_16_64); 55 a = (int)dct_const_round_shift(a * cospi_16_64); 56 a = ROUND_POWER_OF_TWO(a, 4); 57 58 dc_value = _mm_set1_epi16(a); 59 60 // Reconstruction and Store 61 d[0] = _mm_cvtsi32_si128(*(const int *)(dest)); 62 d[1] = _mm_cvtsi32_si128(*(const int *)(dest + stride * 3)); 63 d[0] = _mm_unpacklo_epi32(d[0], 64 _mm_cvtsi32_si128(*(const int *)(dest + stride))); 65 d[1] = _mm_unpacklo_epi32( 66 _mm_cvtsi32_si128(*(const int *)(dest + stride * 2)), d[1]); 67 d[0] = _mm_unpacklo_epi8(d[0], zero); 68 d[1] = _mm_unpacklo_epi8(d[1], zero); 69 d[0] = _mm_add_epi16(d[0], dc_value); 70 d[1] = _mm_add_epi16(d[1], dc_value); 71 d[0] = _mm_packus_epi16(d[0], d[1]); 72 73 *(int *)dest = _mm_cvtsi128_si32(d[0]); 74 d[0] = _mm_srli_si128(d[0], 4); 75 *(int *)(dest + stride) = _mm_cvtsi128_si32(d[0]); 76 d[0] = _mm_srli_si128(d[0], 4); 77 *(int *)(dest + stride * 2) = _mm_cvtsi128_si32(d[0]); 78 d[0] = _mm_srli_si128(d[0], 4); 79 *(int *)(dest + stride * 3) = _mm_cvtsi128_si32(d[0]); 80 } 81 82 void idct4_sse2(__m128i *const in) { 83 const __m128i k__cospi_p16_p16 = pair_set_epi16(cospi_16_64, cospi_16_64); 84 const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64); 85 const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64); 86 const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64); 87 __m128i u[2]; 88 89 transpose_16bit_4(in); 90 // stage 1 91 u[0] = _mm_unpacklo_epi16(in[0], in[1]); 92 u[1] = _mm_unpackhi_epi16(in[0], in[1]); 93 u[0] = idct_calc_wraplow_sse2(k__cospi_p16_p16, k__cospi_p16_m16, u[0]); 94 u[1] = idct_calc_wraplow_sse2(k__cospi_p08_p24, k__cospi_p24_m08, u[1]); 95 96 // stage 2 97 in[0] = _mm_add_epi16(u[0], u[1]); 98 in[1] = _mm_sub_epi16(u[0], u[1]); 99 in[1] = _mm_shuffle_epi32(in[1], 0x4E); 100 } 101 102 void iadst4_sse2(__m128i *const in) { 103 const __m128i k__sinpi_1_3 = pair_set_epi16(sinpi_1_9, sinpi_3_9); 104 const __m128i k__sinpi_4_2 = pair_set_epi16(sinpi_4_9, sinpi_2_9); 105 const __m128i k__sinpi_2_3 = pair_set_epi16(sinpi_2_9, sinpi_3_9); 106 const __m128i k__sinpi_1_4 = pair_set_epi16(sinpi_1_9, sinpi_4_9); 107 const __m128i k__sinpi_12_n3 = 108 pair_set_epi16(sinpi_1_9 + sinpi_2_9, -sinpi_3_9); 109 __m128i u[4], v[5]; 110 111 // 00 01 20 21 02 03 22 23 112 // 10 11 30 31 12 13 32 33 113 const __m128i tr0_0 = _mm_unpacklo_epi32(in[0], in[1]); 114 const __m128i tr0_1 = _mm_unpackhi_epi32(in[0], in[1]); 115 116 // 00 01 10 11 20 21 30 31 117 // 02 03 12 13 22 23 32 33 118 in[0] = _mm_unpacklo_epi32(tr0_0, tr0_1); 119 in[1] = _mm_unpackhi_epi32(tr0_0, tr0_1); 120 121 v[0] = _mm_madd_epi16(in[0], k__sinpi_1_3); // s_1 * x0 + s_3 * x1 122 v[1] = _mm_madd_epi16(in[1], k__sinpi_4_2); // s_4 * x2 + s_2 * x3 123 v[2] = _mm_madd_epi16(in[0], k__sinpi_2_3); // s_2 * x0 + s_3 * x1 124 v[3] = _mm_madd_epi16(in[1], k__sinpi_1_4); // s_1 * x2 + s_4 * x3 125 v[4] = _mm_madd_epi16(in[0], k__sinpi_12_n3); // (s_1 + s_2) * x0 - s_3 * x1 126 in[0] = _mm_sub_epi16(in[0], in[1]); // x0 - x2 127 in[1] = _mm_srli_epi32(in[1], 16); 128 in[0] = _mm_add_epi16(in[0], in[1]); 129 in[0] = _mm_slli_epi32(in[0], 16); // x0 - x2 + x3 130 131 u[0] = _mm_add_epi32(v[0], v[1]); 132 u[1] = _mm_sub_epi32(v[2], v[3]); 133 u[2] = _mm_madd_epi16(in[0], k__sinpi_1_3); 134 u[3] = _mm_sub_epi32(v[1], v[3]); 135 u[3] = _mm_add_epi32(u[3], v[4]); 136 137 u[0] = dct_const_round_shift_sse2(u[0]); 138 u[1] = dct_const_round_shift_sse2(u[1]); 139 u[2] = dct_const_round_shift_sse2(u[2]); 140 u[3] = dct_const_round_shift_sse2(u[3]); 141 142 in[0] = _mm_packs_epi32(u[0], u[1]); 143 in[1] = _mm_packs_epi32(u[2], u[3]); 144 } 145 146 static INLINE void load_buffer_8x8(const tran_low_t *const input, 147 __m128i *const in) { 148 in[0] = load_input_data8(input + 0 * 8); 149 in[1] = load_input_data8(input + 1 * 8); 150 in[2] = load_input_data8(input + 2 * 8); 151 in[3] = load_input_data8(input + 3 * 8); 152 in[4] = load_input_data8(input + 4 * 8); 153 in[5] = load_input_data8(input + 5 * 8); 154 in[6] = load_input_data8(input + 6 * 8); 155 in[7] = load_input_data8(input + 7 * 8); 156 } 157 158 void vpx_idct8x8_64_add_sse2(const tran_low_t *input, uint8_t *dest, 159 int stride) { 160 __m128i in[8]; 161 int i; 162 163 // Load input data. 164 load_buffer_8x8(input, in); 165 166 // 2-D 167 for (i = 0; i < 2; i++) { 168 vpx_idct8_sse2(in); 169 } 170 171 write_buffer_8x8(in, dest, stride); 172 } 173 174 void vpx_idct8x8_12_add_sse2(const tran_low_t *input, uint8_t *dest, 175 int stride) { 176 __m128i io[8]; 177 178 io[0] = load_input_data4(input + 0 * 8); 179 io[1] = load_input_data4(input + 1 * 8); 180 io[2] = load_input_data4(input + 2 * 8); 181 io[3] = load_input_data4(input + 3 * 8); 182 183 idct8x8_12_add_kernel_sse2(io); 184 write_buffer_8x8(io, dest, stride); 185 } 186 187 static INLINE void recon_and_store_8_dual(uint8_t *const dest, 188 const __m128i in_x, 189 const int stride) { 190 const __m128i zero = _mm_setzero_si128(); 191 __m128i d0, d1; 192 193 d0 = _mm_loadl_epi64((__m128i *)(dest + 0 * stride)); 194 d1 = _mm_loadl_epi64((__m128i *)(dest + 1 * stride)); 195 d0 = _mm_unpacklo_epi8(d0, zero); 196 d1 = _mm_unpacklo_epi8(d1, zero); 197 d0 = _mm_add_epi16(in_x, d0); 198 d1 = _mm_add_epi16(in_x, d1); 199 d0 = _mm_packus_epi16(d0, d1); 200 _mm_storel_epi64((__m128i *)(dest + 0 * stride), d0); 201 _mm_storeh_pi((__m64 *)(dest + 1 * stride), _mm_castsi128_ps(d0)); 202 } 203 204 void vpx_idct8x8_1_add_sse2(const tran_low_t *input, uint8_t *dest, 205 int stride) { 206 __m128i dc_value; 207 tran_high_t a1; 208 tran_low_t out = 209 WRAPLOW(dct_const_round_shift((int16_t)input[0] * cospi_16_64)); 210 211 out = WRAPLOW(dct_const_round_shift(out * cospi_16_64)); 212 a1 = ROUND_POWER_OF_TWO(out, 5); 213 dc_value = _mm_set1_epi16((int16_t)a1); 214 215 recon_and_store_8_dual(dest, dc_value, stride); 216 dest += 2 * stride; 217 recon_and_store_8_dual(dest, dc_value, stride); 218 dest += 2 * stride; 219 recon_and_store_8_dual(dest, dc_value, stride); 220 dest += 2 * stride; 221 recon_and_store_8_dual(dest, dc_value, stride); 222 } 223 224 void vpx_idct8_sse2(__m128i *const in) { 225 // 8x8 Transpose is copied from vpx_fdct8x8_sse2() 226 transpose_16bit_8x8(in, in); 227 228 // 4-stage 1D idct8x8 229 idct8(in, in); 230 } 231 232 void iadst8_sse2(__m128i *const in) { 233 const __m128i k__cospi_p02_p30 = pair_set_epi16(cospi_2_64, cospi_30_64); 234 const __m128i k__cospi_p30_m02 = pair_set_epi16(cospi_30_64, -cospi_2_64); 235 const __m128i k__cospi_p10_p22 = pair_set_epi16(cospi_10_64, cospi_22_64); 236 const __m128i k__cospi_p22_m10 = pair_set_epi16(cospi_22_64, -cospi_10_64); 237 const __m128i k__cospi_p18_p14 = pair_set_epi16(cospi_18_64, cospi_14_64); 238 const __m128i k__cospi_p14_m18 = pair_set_epi16(cospi_14_64, -cospi_18_64); 239 const __m128i k__cospi_p26_p06 = pair_set_epi16(cospi_26_64, cospi_6_64); 240 const __m128i k__cospi_p06_m26 = pair_set_epi16(cospi_6_64, -cospi_26_64); 241 const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64); 242 const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64); 243 const __m128i k__cospi_m24_p08 = pair_set_epi16(-cospi_24_64, cospi_8_64); 244 const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64); 245 const __m128i k__cospi_p16_p16 = _mm_set1_epi16(cospi_16_64); 246 const __m128i kZero = _mm_set1_epi16(0); 247 __m128i s[8], u[16], v[8], w[16]; 248 249 // transpose 250 transpose_16bit_8x8(in, in); 251 252 // column transformation 253 // stage 1 254 // interleave and multiply/add into 32-bit integer 255 s[0] = _mm_unpacklo_epi16(in[7], in[0]); 256 s[1] = _mm_unpackhi_epi16(in[7], in[0]); 257 s[2] = _mm_unpacklo_epi16(in[5], in[2]); 258 s[3] = _mm_unpackhi_epi16(in[5], in[2]); 259 s[4] = _mm_unpacklo_epi16(in[3], in[4]); 260 s[5] = _mm_unpackhi_epi16(in[3], in[4]); 261 s[6] = _mm_unpacklo_epi16(in[1], in[6]); 262 s[7] = _mm_unpackhi_epi16(in[1], in[6]); 263 264 u[0] = _mm_madd_epi16(s[0], k__cospi_p02_p30); 265 u[1] = _mm_madd_epi16(s[1], k__cospi_p02_p30); 266 u[2] = _mm_madd_epi16(s[0], k__cospi_p30_m02); 267 u[3] = _mm_madd_epi16(s[1], k__cospi_p30_m02); 268 u[4] = _mm_madd_epi16(s[2], k__cospi_p10_p22); 269 u[5] = _mm_madd_epi16(s[3], k__cospi_p10_p22); 270 u[6] = _mm_madd_epi16(s[2], k__cospi_p22_m10); 271 u[7] = _mm_madd_epi16(s[3], k__cospi_p22_m10); 272 u[8] = _mm_madd_epi16(s[4], k__cospi_p18_p14); 273 u[9] = _mm_madd_epi16(s[5], k__cospi_p18_p14); 274 u[10] = _mm_madd_epi16(s[4], k__cospi_p14_m18); 275 u[11] = _mm_madd_epi16(s[5], k__cospi_p14_m18); 276 u[12] = _mm_madd_epi16(s[6], k__cospi_p26_p06); 277 u[13] = _mm_madd_epi16(s[7], k__cospi_p26_p06); 278 u[14] = _mm_madd_epi16(s[6], k__cospi_p06_m26); 279 u[15] = _mm_madd_epi16(s[7], k__cospi_p06_m26); 280 281 // addition 282 w[0] = _mm_add_epi32(u[0], u[8]); 283 w[1] = _mm_add_epi32(u[1], u[9]); 284 w[2] = _mm_add_epi32(u[2], u[10]); 285 w[3] = _mm_add_epi32(u[3], u[11]); 286 w[4] = _mm_add_epi32(u[4], u[12]); 287 w[5] = _mm_add_epi32(u[5], u[13]); 288 w[6] = _mm_add_epi32(u[6], u[14]); 289 w[7] = _mm_add_epi32(u[7], u[15]); 290 w[8] = _mm_sub_epi32(u[0], u[8]); 291 w[9] = _mm_sub_epi32(u[1], u[9]); 292 w[10] = _mm_sub_epi32(u[2], u[10]); 293 w[11] = _mm_sub_epi32(u[3], u[11]); 294 w[12] = _mm_sub_epi32(u[4], u[12]); 295 w[13] = _mm_sub_epi32(u[5], u[13]); 296 w[14] = _mm_sub_epi32(u[6], u[14]); 297 w[15] = _mm_sub_epi32(u[7], u[15]); 298 299 // shift and rounding 300 u[0] = dct_const_round_shift_sse2(w[0]); 301 u[1] = dct_const_round_shift_sse2(w[1]); 302 u[2] = dct_const_round_shift_sse2(w[2]); 303 u[3] = dct_const_round_shift_sse2(w[3]); 304 u[4] = dct_const_round_shift_sse2(w[4]); 305 u[5] = dct_const_round_shift_sse2(w[5]); 306 u[6] = dct_const_round_shift_sse2(w[6]); 307 u[7] = dct_const_round_shift_sse2(w[7]); 308 u[8] = dct_const_round_shift_sse2(w[8]); 309 u[9] = dct_const_round_shift_sse2(w[9]); 310 u[10] = dct_const_round_shift_sse2(w[10]); 311 u[11] = dct_const_round_shift_sse2(w[11]); 312 u[12] = dct_const_round_shift_sse2(w[12]); 313 u[13] = dct_const_round_shift_sse2(w[13]); 314 u[14] = dct_const_round_shift_sse2(w[14]); 315 u[15] = dct_const_round_shift_sse2(w[15]); 316 317 // back to 16-bit and pack 8 integers into __m128i 318 in[0] = _mm_packs_epi32(u[0], u[1]); 319 in[1] = _mm_packs_epi32(u[2], u[3]); 320 in[2] = _mm_packs_epi32(u[4], u[5]); 321 in[3] = _mm_packs_epi32(u[6], u[7]); 322 in[4] = _mm_packs_epi32(u[8], u[9]); 323 in[5] = _mm_packs_epi32(u[10], u[11]); 324 in[6] = _mm_packs_epi32(u[12], u[13]); 325 in[7] = _mm_packs_epi32(u[14], u[15]); 326 327 // stage 2 328 s[0] = _mm_add_epi16(in[0], in[2]); 329 s[1] = _mm_add_epi16(in[1], in[3]); 330 s[2] = _mm_sub_epi16(in[0], in[2]); 331 s[3] = _mm_sub_epi16(in[1], in[3]); 332 u[0] = _mm_unpacklo_epi16(in[4], in[5]); 333 u[1] = _mm_unpackhi_epi16(in[4], in[5]); 334 u[2] = _mm_unpacklo_epi16(in[6], in[7]); 335 u[3] = _mm_unpackhi_epi16(in[6], in[7]); 336 337 v[0] = _mm_madd_epi16(u[0], k__cospi_p08_p24); 338 v[1] = _mm_madd_epi16(u[1], k__cospi_p08_p24); 339 v[2] = _mm_madd_epi16(u[0], k__cospi_p24_m08); 340 v[3] = _mm_madd_epi16(u[1], k__cospi_p24_m08); 341 v[4] = _mm_madd_epi16(u[2], k__cospi_m24_p08); 342 v[5] = _mm_madd_epi16(u[3], k__cospi_m24_p08); 343 v[6] = _mm_madd_epi16(u[2], k__cospi_p08_p24); 344 v[7] = _mm_madd_epi16(u[3], k__cospi_p08_p24); 345 346 w[0] = _mm_add_epi32(v[0], v[4]); 347 w[1] = _mm_add_epi32(v[1], v[5]); 348 w[2] = _mm_add_epi32(v[2], v[6]); 349 w[3] = _mm_add_epi32(v[3], v[7]); 350 w[4] = _mm_sub_epi32(v[0], v[4]); 351 w[5] = _mm_sub_epi32(v[1], v[5]); 352 w[6] = _mm_sub_epi32(v[2], v[6]); 353 w[7] = _mm_sub_epi32(v[3], v[7]); 354 355 u[0] = dct_const_round_shift_sse2(w[0]); 356 u[1] = dct_const_round_shift_sse2(w[1]); 357 u[2] = dct_const_round_shift_sse2(w[2]); 358 u[3] = dct_const_round_shift_sse2(w[3]); 359 u[4] = dct_const_round_shift_sse2(w[4]); 360 u[5] = dct_const_round_shift_sse2(w[5]); 361 u[6] = dct_const_round_shift_sse2(w[6]); 362 u[7] = dct_const_round_shift_sse2(w[7]); 363 364 // back to 16-bit intergers 365 s[4] = _mm_packs_epi32(u[0], u[1]); 366 s[5] = _mm_packs_epi32(u[2], u[3]); 367 s[6] = _mm_packs_epi32(u[4], u[5]); 368 s[7] = _mm_packs_epi32(u[6], u[7]); 369 370 // stage 3 371 u[0] = _mm_unpacklo_epi16(s[2], s[3]); 372 u[1] = _mm_unpackhi_epi16(s[2], s[3]); 373 u[2] = _mm_unpacklo_epi16(s[6], s[7]); 374 u[3] = _mm_unpackhi_epi16(s[6], s[7]); 375 376 s[2] = idct_calc_wraplow_sse2(u[0], u[1], k__cospi_p16_p16); 377 s[3] = idct_calc_wraplow_sse2(u[0], u[1], k__cospi_p16_m16); 378 s[6] = idct_calc_wraplow_sse2(u[2], u[3], k__cospi_p16_p16); 379 s[7] = idct_calc_wraplow_sse2(u[2], u[3], k__cospi_p16_m16); 380 381 in[0] = s[0]; 382 in[1] = _mm_sub_epi16(kZero, s[4]); 383 in[2] = s[6]; 384 in[3] = _mm_sub_epi16(kZero, s[2]); 385 in[4] = s[3]; 386 in[5] = _mm_sub_epi16(kZero, s[7]); 387 in[6] = s[5]; 388 in[7] = _mm_sub_epi16(kZero, s[1]); 389 } 390 391 static INLINE void idct16_load8x8(const tran_low_t *const input, 392 __m128i *const in) { 393 in[0] = load_input_data8(input + 0 * 16); 394 in[1] = load_input_data8(input + 1 * 16); 395 in[2] = load_input_data8(input + 2 * 16); 396 in[3] = load_input_data8(input + 3 * 16); 397 in[4] = load_input_data8(input + 4 * 16); 398 in[5] = load_input_data8(input + 5 * 16); 399 in[6] = load_input_data8(input + 6 * 16); 400 in[7] = load_input_data8(input + 7 * 16); 401 } 402 403 void vpx_idct16x16_256_add_sse2(const tran_low_t *input, uint8_t *dest, 404 int stride) { 405 __m128i l[16], r[16], out[16], *in; 406 int i; 407 408 in = l; 409 for (i = 0; i < 2; i++) { 410 idct16_load8x8(input, in); 411 transpose_16bit_8x8(in, in); 412 idct16_load8x8(input + 8, in + 8); 413 transpose_16bit_8x8(in + 8, in + 8); 414 idct16_8col(in, in); 415 in = r; 416 input += 128; 417 } 418 419 for (i = 0; i < 16; i += 8) { 420 int j; 421 transpose_16bit_8x8(l + i, out); 422 transpose_16bit_8x8(r + i, out + 8); 423 idct16_8col(out, out); 424 425 for (j = 0; j < 16; ++j) { 426 write_buffer_8x1(dest + j * stride, out[j]); 427 } 428 429 dest += 8; 430 } 431 } 432 433 void vpx_idct16x16_38_add_sse2(const tran_low_t *input, uint8_t *dest, 434 int stride) { 435 __m128i in[16], temp[16], out[16]; 436 int i; 437 438 idct16_load8x8(input, in); 439 transpose_16bit_8x8(in, in); 440 441 for (i = 8; i < 16; i++) { 442 in[i] = _mm_setzero_si128(); 443 } 444 idct16_8col(in, temp); 445 446 for (i = 0; i < 16; i += 8) { 447 int j; 448 transpose_16bit_8x8(temp + i, in); 449 idct16_8col(in, out); 450 451 for (j = 0; j < 16; ++j) { 452 write_buffer_8x1(dest + j * stride, out[j]); 453 } 454 455 dest += 8; 456 } 457 } 458 459 void vpx_idct16x16_10_add_sse2(const tran_low_t *input, uint8_t *dest, 460 int stride) { 461 __m128i in[16], l[16]; 462 int i; 463 464 // First 1-D inverse DCT 465 // Load input data. 466 in[0] = load_input_data4(input + 0 * 16); 467 in[1] = load_input_data4(input + 1 * 16); 468 in[2] = load_input_data4(input + 2 * 16); 469 in[3] = load_input_data4(input + 3 * 16); 470 471 idct16x16_10_pass1(in, l); 472 473 // Second 1-D inverse transform, performed per 8x16 block 474 for (i = 0; i < 16; i += 8) { 475 int j; 476 idct16x16_10_pass2(l + i, in); 477 478 for (j = 0; j < 16; ++j) { 479 write_buffer_8x1(dest + j * stride, in[j]); 480 } 481 482 dest += 8; 483 } 484 } 485 486 static INLINE void recon_and_store_16(uint8_t *const dest, const __m128i in_x) { 487 const __m128i zero = _mm_setzero_si128(); 488 __m128i d0, d1; 489 490 d0 = _mm_load_si128((__m128i *)(dest)); 491 d1 = _mm_unpackhi_epi8(d0, zero); 492 d0 = _mm_unpacklo_epi8(d0, zero); 493 d0 = _mm_add_epi16(in_x, d0); 494 d1 = _mm_add_epi16(in_x, d1); 495 d0 = _mm_packus_epi16(d0, d1); 496 _mm_store_si128((__m128i *)(dest), d0); 497 } 498 499 void vpx_idct16x16_1_add_sse2(const tran_low_t *input, uint8_t *dest, 500 int stride) { 501 __m128i dc_value; 502 int i; 503 tran_high_t a1; 504 tran_low_t out = 505 WRAPLOW(dct_const_round_shift((int16_t)input[0] * cospi_16_64)); 506 507 out = WRAPLOW(dct_const_round_shift(out * cospi_16_64)); 508 a1 = ROUND_POWER_OF_TWO(out, 6); 509 dc_value = _mm_set1_epi16((int16_t)a1); 510 511 for (i = 0; i < 16; ++i) { 512 recon_and_store_16(dest, dc_value); 513 dest += stride; 514 } 515 } 516 517 void vpx_iadst16_8col_sse2(__m128i *const in) { 518 // perform 16x16 1-D ADST for 8 columns 519 __m128i s[16], x[16], u[32], v[32]; 520 const __m128i k__cospi_p01_p31 = pair_set_epi16(cospi_1_64, cospi_31_64); 521 const __m128i k__cospi_p31_m01 = pair_set_epi16(cospi_31_64, -cospi_1_64); 522 const __m128i k__cospi_p05_p27 = pair_set_epi16(cospi_5_64, cospi_27_64); 523 const __m128i k__cospi_p27_m05 = pair_set_epi16(cospi_27_64, -cospi_5_64); 524 const __m128i k__cospi_p09_p23 = pair_set_epi16(cospi_9_64, cospi_23_64); 525 const __m128i k__cospi_p23_m09 = pair_set_epi16(cospi_23_64, -cospi_9_64); 526 const __m128i k__cospi_p13_p19 = pair_set_epi16(cospi_13_64, cospi_19_64); 527 const __m128i k__cospi_p19_m13 = pair_set_epi16(cospi_19_64, -cospi_13_64); 528 const __m128i k__cospi_p17_p15 = pair_set_epi16(cospi_17_64, cospi_15_64); 529 const __m128i k__cospi_p15_m17 = pair_set_epi16(cospi_15_64, -cospi_17_64); 530 const __m128i k__cospi_p21_p11 = pair_set_epi16(cospi_21_64, cospi_11_64); 531 const __m128i k__cospi_p11_m21 = pair_set_epi16(cospi_11_64, -cospi_21_64); 532 const __m128i k__cospi_p25_p07 = pair_set_epi16(cospi_25_64, cospi_7_64); 533 const __m128i k__cospi_p07_m25 = pair_set_epi16(cospi_7_64, -cospi_25_64); 534 const __m128i k__cospi_p29_p03 = pair_set_epi16(cospi_29_64, cospi_3_64); 535 const __m128i k__cospi_p03_m29 = pair_set_epi16(cospi_3_64, -cospi_29_64); 536 const __m128i k__cospi_p04_p28 = pair_set_epi16(cospi_4_64, cospi_28_64); 537 const __m128i k__cospi_p28_m04 = pair_set_epi16(cospi_28_64, -cospi_4_64); 538 const __m128i k__cospi_p20_p12 = pair_set_epi16(cospi_20_64, cospi_12_64); 539 const __m128i k__cospi_p12_m20 = pair_set_epi16(cospi_12_64, -cospi_20_64); 540 const __m128i k__cospi_m28_p04 = pair_set_epi16(-cospi_28_64, cospi_4_64); 541 const __m128i k__cospi_m12_p20 = pair_set_epi16(-cospi_12_64, cospi_20_64); 542 const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64); 543 const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64); 544 const __m128i k__cospi_m24_p08 = pair_set_epi16(-cospi_24_64, cospi_8_64); 545 const __m128i k__cospi_m16_m16 = _mm_set1_epi16(-cospi_16_64); 546 const __m128i k__cospi_p16_p16 = _mm_set1_epi16(cospi_16_64); 547 const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64); 548 const __m128i k__cospi_m16_p16 = pair_set_epi16(-cospi_16_64, cospi_16_64); 549 const __m128i kZero = _mm_set1_epi16(0); 550 551 u[0] = _mm_unpacklo_epi16(in[15], in[0]); 552 u[1] = _mm_unpackhi_epi16(in[15], in[0]); 553 u[2] = _mm_unpacklo_epi16(in[13], in[2]); 554 u[3] = _mm_unpackhi_epi16(in[13], in[2]); 555 u[4] = _mm_unpacklo_epi16(in[11], in[4]); 556 u[5] = _mm_unpackhi_epi16(in[11], in[4]); 557 u[6] = _mm_unpacklo_epi16(in[9], in[6]); 558 u[7] = _mm_unpackhi_epi16(in[9], in[6]); 559 u[8] = _mm_unpacklo_epi16(in[7], in[8]); 560 u[9] = _mm_unpackhi_epi16(in[7], in[8]); 561 u[10] = _mm_unpacklo_epi16(in[5], in[10]); 562 u[11] = _mm_unpackhi_epi16(in[5], in[10]); 563 u[12] = _mm_unpacklo_epi16(in[3], in[12]); 564 u[13] = _mm_unpackhi_epi16(in[3], in[12]); 565 u[14] = _mm_unpacklo_epi16(in[1], in[14]); 566 u[15] = _mm_unpackhi_epi16(in[1], in[14]); 567 568 v[0] = _mm_madd_epi16(u[0], k__cospi_p01_p31); 569 v[1] = _mm_madd_epi16(u[1], k__cospi_p01_p31); 570 v[2] = _mm_madd_epi16(u[0], k__cospi_p31_m01); 571 v[3] = _mm_madd_epi16(u[1], k__cospi_p31_m01); 572 v[4] = _mm_madd_epi16(u[2], k__cospi_p05_p27); 573 v[5] = _mm_madd_epi16(u[3], k__cospi_p05_p27); 574 v[6] = _mm_madd_epi16(u[2], k__cospi_p27_m05); 575 v[7] = _mm_madd_epi16(u[3], k__cospi_p27_m05); 576 v[8] = _mm_madd_epi16(u[4], k__cospi_p09_p23); 577 v[9] = _mm_madd_epi16(u[5], k__cospi_p09_p23); 578 v[10] = _mm_madd_epi16(u[4], k__cospi_p23_m09); 579 v[11] = _mm_madd_epi16(u[5], k__cospi_p23_m09); 580 v[12] = _mm_madd_epi16(u[6], k__cospi_p13_p19); 581 v[13] = _mm_madd_epi16(u[7], k__cospi_p13_p19); 582 v[14] = _mm_madd_epi16(u[6], k__cospi_p19_m13); 583 v[15] = _mm_madd_epi16(u[7], k__cospi_p19_m13); 584 v[16] = _mm_madd_epi16(u[8], k__cospi_p17_p15); 585 v[17] = _mm_madd_epi16(u[9], k__cospi_p17_p15); 586 v[18] = _mm_madd_epi16(u[8], k__cospi_p15_m17); 587 v[19] = _mm_madd_epi16(u[9], k__cospi_p15_m17); 588 v[20] = _mm_madd_epi16(u[10], k__cospi_p21_p11); 589 v[21] = _mm_madd_epi16(u[11], k__cospi_p21_p11); 590 v[22] = _mm_madd_epi16(u[10], k__cospi_p11_m21); 591 v[23] = _mm_madd_epi16(u[11], k__cospi_p11_m21); 592 v[24] = _mm_madd_epi16(u[12], k__cospi_p25_p07); 593 v[25] = _mm_madd_epi16(u[13], k__cospi_p25_p07); 594 v[26] = _mm_madd_epi16(u[12], k__cospi_p07_m25); 595 v[27] = _mm_madd_epi16(u[13], k__cospi_p07_m25); 596 v[28] = _mm_madd_epi16(u[14], k__cospi_p29_p03); 597 v[29] = _mm_madd_epi16(u[15], k__cospi_p29_p03); 598 v[30] = _mm_madd_epi16(u[14], k__cospi_p03_m29); 599 v[31] = _mm_madd_epi16(u[15], k__cospi_p03_m29); 600 601 u[0] = _mm_add_epi32(v[0], v[16]); 602 u[1] = _mm_add_epi32(v[1], v[17]); 603 u[2] = _mm_add_epi32(v[2], v[18]); 604 u[3] = _mm_add_epi32(v[3], v[19]); 605 u[4] = _mm_add_epi32(v[4], v[20]); 606 u[5] = _mm_add_epi32(v[5], v[21]); 607 u[6] = _mm_add_epi32(v[6], v[22]); 608 u[7] = _mm_add_epi32(v[7], v[23]); 609 u[8] = _mm_add_epi32(v[8], v[24]); 610 u[9] = _mm_add_epi32(v[9], v[25]); 611 u[10] = _mm_add_epi32(v[10], v[26]); 612 u[11] = _mm_add_epi32(v[11], v[27]); 613 u[12] = _mm_add_epi32(v[12], v[28]); 614 u[13] = _mm_add_epi32(v[13], v[29]); 615 u[14] = _mm_add_epi32(v[14], v[30]); 616 u[15] = _mm_add_epi32(v[15], v[31]); 617 u[16] = _mm_sub_epi32(v[0], v[16]); 618 u[17] = _mm_sub_epi32(v[1], v[17]); 619 u[18] = _mm_sub_epi32(v[2], v[18]); 620 u[19] = _mm_sub_epi32(v[3], v[19]); 621 u[20] = _mm_sub_epi32(v[4], v[20]); 622 u[21] = _mm_sub_epi32(v[5], v[21]); 623 u[22] = _mm_sub_epi32(v[6], v[22]); 624 u[23] = _mm_sub_epi32(v[7], v[23]); 625 u[24] = _mm_sub_epi32(v[8], v[24]); 626 u[25] = _mm_sub_epi32(v[9], v[25]); 627 u[26] = _mm_sub_epi32(v[10], v[26]); 628 u[27] = _mm_sub_epi32(v[11], v[27]); 629 u[28] = _mm_sub_epi32(v[12], v[28]); 630 u[29] = _mm_sub_epi32(v[13], v[29]); 631 u[30] = _mm_sub_epi32(v[14], v[30]); 632 u[31] = _mm_sub_epi32(v[15], v[31]); 633 634 u[0] = dct_const_round_shift_sse2(u[0]); 635 u[1] = dct_const_round_shift_sse2(u[1]); 636 u[2] = dct_const_round_shift_sse2(u[2]); 637 u[3] = dct_const_round_shift_sse2(u[3]); 638 u[4] = dct_const_round_shift_sse2(u[4]); 639 u[5] = dct_const_round_shift_sse2(u[5]); 640 u[6] = dct_const_round_shift_sse2(u[6]); 641 u[7] = dct_const_round_shift_sse2(u[7]); 642 u[8] = dct_const_round_shift_sse2(u[8]); 643 u[9] = dct_const_round_shift_sse2(u[9]); 644 u[10] = dct_const_round_shift_sse2(u[10]); 645 u[11] = dct_const_round_shift_sse2(u[11]); 646 u[12] = dct_const_round_shift_sse2(u[12]); 647 u[13] = dct_const_round_shift_sse2(u[13]); 648 u[14] = dct_const_round_shift_sse2(u[14]); 649 u[15] = dct_const_round_shift_sse2(u[15]); 650 u[16] = dct_const_round_shift_sse2(u[16]); 651 u[17] = dct_const_round_shift_sse2(u[17]); 652 u[18] = dct_const_round_shift_sse2(u[18]); 653 u[19] = dct_const_round_shift_sse2(u[19]); 654 u[20] = dct_const_round_shift_sse2(u[20]); 655 u[21] = dct_const_round_shift_sse2(u[21]); 656 u[22] = dct_const_round_shift_sse2(u[22]); 657 u[23] = dct_const_round_shift_sse2(u[23]); 658 u[24] = dct_const_round_shift_sse2(u[24]); 659 u[25] = dct_const_round_shift_sse2(u[25]); 660 u[26] = dct_const_round_shift_sse2(u[26]); 661 u[27] = dct_const_round_shift_sse2(u[27]); 662 u[28] = dct_const_round_shift_sse2(u[28]); 663 u[29] = dct_const_round_shift_sse2(u[29]); 664 u[30] = dct_const_round_shift_sse2(u[30]); 665 u[31] = dct_const_round_shift_sse2(u[31]); 666 667 s[0] = _mm_packs_epi32(u[0], u[1]); 668 s[1] = _mm_packs_epi32(u[2], u[3]); 669 s[2] = _mm_packs_epi32(u[4], u[5]); 670 s[3] = _mm_packs_epi32(u[6], u[7]); 671 s[4] = _mm_packs_epi32(u[8], u[9]); 672 s[5] = _mm_packs_epi32(u[10], u[11]); 673 s[6] = _mm_packs_epi32(u[12], u[13]); 674 s[7] = _mm_packs_epi32(u[14], u[15]); 675 s[8] = _mm_packs_epi32(u[16], u[17]); 676 s[9] = _mm_packs_epi32(u[18], u[19]); 677 s[10] = _mm_packs_epi32(u[20], u[21]); 678 s[11] = _mm_packs_epi32(u[22], u[23]); 679 s[12] = _mm_packs_epi32(u[24], u[25]); 680 s[13] = _mm_packs_epi32(u[26], u[27]); 681 s[14] = _mm_packs_epi32(u[28], u[29]); 682 s[15] = _mm_packs_epi32(u[30], u[31]); 683 684 // stage 2 685 u[0] = _mm_unpacklo_epi16(s[8], s[9]); 686 u[1] = _mm_unpackhi_epi16(s[8], s[9]); 687 u[2] = _mm_unpacklo_epi16(s[10], s[11]); 688 u[3] = _mm_unpackhi_epi16(s[10], s[11]); 689 u[4] = _mm_unpacklo_epi16(s[12], s[13]); 690 u[5] = _mm_unpackhi_epi16(s[12], s[13]); 691 u[6] = _mm_unpacklo_epi16(s[14], s[15]); 692 u[7] = _mm_unpackhi_epi16(s[14], s[15]); 693 694 v[0] = _mm_madd_epi16(u[0], k__cospi_p04_p28); 695 v[1] = _mm_madd_epi16(u[1], k__cospi_p04_p28); 696 v[2] = _mm_madd_epi16(u[0], k__cospi_p28_m04); 697 v[3] = _mm_madd_epi16(u[1], k__cospi_p28_m04); 698 v[4] = _mm_madd_epi16(u[2], k__cospi_p20_p12); 699 v[5] = _mm_madd_epi16(u[3], k__cospi_p20_p12); 700 v[6] = _mm_madd_epi16(u[2], k__cospi_p12_m20); 701 v[7] = _mm_madd_epi16(u[3], k__cospi_p12_m20); 702 v[8] = _mm_madd_epi16(u[4], k__cospi_m28_p04); 703 v[9] = _mm_madd_epi16(u[5], k__cospi_m28_p04); 704 v[10] = _mm_madd_epi16(u[4], k__cospi_p04_p28); 705 v[11] = _mm_madd_epi16(u[5], k__cospi_p04_p28); 706 v[12] = _mm_madd_epi16(u[6], k__cospi_m12_p20); 707 v[13] = _mm_madd_epi16(u[7], k__cospi_m12_p20); 708 v[14] = _mm_madd_epi16(u[6], k__cospi_p20_p12); 709 v[15] = _mm_madd_epi16(u[7], k__cospi_p20_p12); 710 711 u[0] = _mm_add_epi32(v[0], v[8]); 712 u[1] = _mm_add_epi32(v[1], v[9]); 713 u[2] = _mm_add_epi32(v[2], v[10]); 714 u[3] = _mm_add_epi32(v[3], v[11]); 715 u[4] = _mm_add_epi32(v[4], v[12]); 716 u[5] = _mm_add_epi32(v[5], v[13]); 717 u[6] = _mm_add_epi32(v[6], v[14]); 718 u[7] = _mm_add_epi32(v[7], v[15]); 719 u[8] = _mm_sub_epi32(v[0], v[8]); 720 u[9] = _mm_sub_epi32(v[1], v[9]); 721 u[10] = _mm_sub_epi32(v[2], v[10]); 722 u[11] = _mm_sub_epi32(v[3], v[11]); 723 u[12] = _mm_sub_epi32(v[4], v[12]); 724 u[13] = _mm_sub_epi32(v[5], v[13]); 725 u[14] = _mm_sub_epi32(v[6], v[14]); 726 u[15] = _mm_sub_epi32(v[7], v[15]); 727 728 u[0] = dct_const_round_shift_sse2(u[0]); 729 u[1] = dct_const_round_shift_sse2(u[1]); 730 u[2] = dct_const_round_shift_sse2(u[2]); 731 u[3] = dct_const_round_shift_sse2(u[3]); 732 u[4] = dct_const_round_shift_sse2(u[4]); 733 u[5] = dct_const_round_shift_sse2(u[5]); 734 u[6] = dct_const_round_shift_sse2(u[6]); 735 u[7] = dct_const_round_shift_sse2(u[7]); 736 u[8] = dct_const_round_shift_sse2(u[8]); 737 u[9] = dct_const_round_shift_sse2(u[9]); 738 u[10] = dct_const_round_shift_sse2(u[10]); 739 u[11] = dct_const_round_shift_sse2(u[11]); 740 u[12] = dct_const_round_shift_sse2(u[12]); 741 u[13] = dct_const_round_shift_sse2(u[13]); 742 u[14] = dct_const_round_shift_sse2(u[14]); 743 u[15] = dct_const_round_shift_sse2(u[15]); 744 745 x[0] = _mm_add_epi16(s[0], s[4]); 746 x[1] = _mm_add_epi16(s[1], s[5]); 747 x[2] = _mm_add_epi16(s[2], s[6]); 748 x[3] = _mm_add_epi16(s[3], s[7]); 749 x[4] = _mm_sub_epi16(s[0], s[4]); 750 x[5] = _mm_sub_epi16(s[1], s[5]); 751 x[6] = _mm_sub_epi16(s[2], s[6]); 752 x[7] = _mm_sub_epi16(s[3], s[7]); 753 x[8] = _mm_packs_epi32(u[0], u[1]); 754 x[9] = _mm_packs_epi32(u[2], u[3]); 755 x[10] = _mm_packs_epi32(u[4], u[5]); 756 x[11] = _mm_packs_epi32(u[6], u[7]); 757 x[12] = _mm_packs_epi32(u[8], u[9]); 758 x[13] = _mm_packs_epi32(u[10], u[11]); 759 x[14] = _mm_packs_epi32(u[12], u[13]); 760 x[15] = _mm_packs_epi32(u[14], u[15]); 761 762 // stage 3 763 u[0] = _mm_unpacklo_epi16(x[4], x[5]); 764 u[1] = _mm_unpackhi_epi16(x[4], x[5]); 765 u[2] = _mm_unpacklo_epi16(x[6], x[7]); 766 u[3] = _mm_unpackhi_epi16(x[6], x[7]); 767 u[4] = _mm_unpacklo_epi16(x[12], x[13]); 768 u[5] = _mm_unpackhi_epi16(x[12], x[13]); 769 u[6] = _mm_unpacklo_epi16(x[14], x[15]); 770 u[7] = _mm_unpackhi_epi16(x[14], x[15]); 771 772 v[0] = _mm_madd_epi16(u[0], k__cospi_p08_p24); 773 v[1] = _mm_madd_epi16(u[1], k__cospi_p08_p24); 774 v[2] = _mm_madd_epi16(u[0], k__cospi_p24_m08); 775 v[3] = _mm_madd_epi16(u[1], k__cospi_p24_m08); 776 v[4] = _mm_madd_epi16(u[2], k__cospi_m24_p08); 777 v[5] = _mm_madd_epi16(u[3], k__cospi_m24_p08); 778 v[6] = _mm_madd_epi16(u[2], k__cospi_p08_p24); 779 v[7] = _mm_madd_epi16(u[3], k__cospi_p08_p24); 780 v[8] = _mm_madd_epi16(u[4], k__cospi_p08_p24); 781 v[9] = _mm_madd_epi16(u[5], k__cospi_p08_p24); 782 v[10] = _mm_madd_epi16(u[4], k__cospi_p24_m08); 783 v[11] = _mm_madd_epi16(u[5], k__cospi_p24_m08); 784 v[12] = _mm_madd_epi16(u[6], k__cospi_m24_p08); 785 v[13] = _mm_madd_epi16(u[7], k__cospi_m24_p08); 786 v[14] = _mm_madd_epi16(u[6], k__cospi_p08_p24); 787 v[15] = _mm_madd_epi16(u[7], k__cospi_p08_p24); 788 789 u[0] = _mm_add_epi32(v[0], v[4]); 790 u[1] = _mm_add_epi32(v[1], v[5]); 791 u[2] = _mm_add_epi32(v[2], v[6]); 792 u[3] = _mm_add_epi32(v[3], v[7]); 793 u[4] = _mm_sub_epi32(v[0], v[4]); 794 u[5] = _mm_sub_epi32(v[1], v[5]); 795 u[6] = _mm_sub_epi32(v[2], v[6]); 796 u[7] = _mm_sub_epi32(v[3], v[7]); 797 u[8] = _mm_add_epi32(v[8], v[12]); 798 u[9] = _mm_add_epi32(v[9], v[13]); 799 u[10] = _mm_add_epi32(v[10], v[14]); 800 u[11] = _mm_add_epi32(v[11], v[15]); 801 u[12] = _mm_sub_epi32(v[8], v[12]); 802 u[13] = _mm_sub_epi32(v[9], v[13]); 803 u[14] = _mm_sub_epi32(v[10], v[14]); 804 u[15] = _mm_sub_epi32(v[11], v[15]); 805 806 v[0] = dct_const_round_shift_sse2(u[0]); 807 v[1] = dct_const_round_shift_sse2(u[1]); 808 v[2] = dct_const_round_shift_sse2(u[2]); 809 v[3] = dct_const_round_shift_sse2(u[3]); 810 v[4] = dct_const_round_shift_sse2(u[4]); 811 v[5] = dct_const_round_shift_sse2(u[5]); 812 v[6] = dct_const_round_shift_sse2(u[6]); 813 v[7] = dct_const_round_shift_sse2(u[7]); 814 v[8] = dct_const_round_shift_sse2(u[8]); 815 v[9] = dct_const_round_shift_sse2(u[9]); 816 v[10] = dct_const_round_shift_sse2(u[10]); 817 v[11] = dct_const_round_shift_sse2(u[11]); 818 v[12] = dct_const_round_shift_sse2(u[12]); 819 v[13] = dct_const_round_shift_sse2(u[13]); 820 v[14] = dct_const_round_shift_sse2(u[14]); 821 v[15] = dct_const_round_shift_sse2(u[15]); 822 823 s[0] = _mm_add_epi16(x[0], x[2]); 824 s[1] = _mm_add_epi16(x[1], x[3]); 825 s[2] = _mm_sub_epi16(x[0], x[2]); 826 s[3] = _mm_sub_epi16(x[1], x[3]); 827 s[4] = _mm_packs_epi32(v[0], v[1]); 828 s[5] = _mm_packs_epi32(v[2], v[3]); 829 s[6] = _mm_packs_epi32(v[4], v[5]); 830 s[7] = _mm_packs_epi32(v[6], v[7]); 831 s[8] = _mm_add_epi16(x[8], x[10]); 832 s[9] = _mm_add_epi16(x[9], x[11]); 833 s[10] = _mm_sub_epi16(x[8], x[10]); 834 s[11] = _mm_sub_epi16(x[9], x[11]); 835 s[12] = _mm_packs_epi32(v[8], v[9]); 836 s[13] = _mm_packs_epi32(v[10], v[11]); 837 s[14] = _mm_packs_epi32(v[12], v[13]); 838 s[15] = _mm_packs_epi32(v[14], v[15]); 839 840 // stage 4 841 u[0] = _mm_unpacklo_epi16(s[2], s[3]); 842 u[1] = _mm_unpackhi_epi16(s[2], s[3]); 843 u[2] = _mm_unpacklo_epi16(s[6], s[7]); 844 u[3] = _mm_unpackhi_epi16(s[6], s[7]); 845 u[4] = _mm_unpacklo_epi16(s[10], s[11]); 846 u[5] = _mm_unpackhi_epi16(s[10], s[11]); 847 u[6] = _mm_unpacklo_epi16(s[14], s[15]); 848 u[7] = _mm_unpackhi_epi16(s[14], s[15]); 849 850 in[7] = idct_calc_wraplow_sse2(u[0], u[1], k__cospi_m16_m16); 851 in[8] = idct_calc_wraplow_sse2(u[0], u[1], k__cospi_p16_m16); 852 in[4] = idct_calc_wraplow_sse2(u[2], u[3], k__cospi_p16_p16); 853 in[11] = idct_calc_wraplow_sse2(u[2], u[3], k__cospi_m16_p16); 854 in[6] = idct_calc_wraplow_sse2(u[4], u[5], k__cospi_p16_p16); 855 in[9] = idct_calc_wraplow_sse2(u[4], u[5], k__cospi_m16_p16); 856 in[5] = idct_calc_wraplow_sse2(u[6], u[7], k__cospi_m16_m16); 857 in[10] = idct_calc_wraplow_sse2(u[6], u[7], k__cospi_p16_m16); 858 859 in[0] = s[0]; 860 in[1] = _mm_sub_epi16(kZero, s[8]); 861 in[2] = s[12]; 862 in[3] = _mm_sub_epi16(kZero, s[4]); 863 in[12] = s[5]; 864 in[13] = _mm_sub_epi16(kZero, s[13]); 865 in[14] = s[9]; 866 in[15] = _mm_sub_epi16(kZero, s[1]); 867 } 868 869 void idct16_sse2(__m128i *const in0, __m128i *const in1) { 870 transpose_16bit_16x16(in0, in1); 871 idct16_8col(in0, in0); 872 idct16_8col(in1, in1); 873 } 874 875 void iadst16_sse2(__m128i *const in0, __m128i *const in1) { 876 transpose_16bit_16x16(in0, in1); 877 vpx_iadst16_8col_sse2(in0); 878 vpx_iadst16_8col_sse2(in1); 879 } 880 881 // Group the coefficient calculation into smaller functions to prevent stack 882 // spillover in 32x32 idct optimizations: 883 // quarter_1: 0-7 884 // quarter_2: 8-15 885 // quarter_3_4: 16-23, 24-31 886 887 // For each 8x32 block __m128i in[32], 888 // Input with index, 0, 4 889 // output pixels: 0-7 in __m128i out[32] 890 static INLINE void idct32_34_8x32_quarter_1(const __m128i *const in /*in[32]*/, 891 __m128i *const out /*out[8]*/) { 892 const __m128i zero = _mm_setzero_si128(); 893 __m128i step1[8], step2[8]; 894 895 // stage 3 896 butterfly(in[4], zero, cospi_28_64, cospi_4_64, &step1[4], &step1[7]); 897 898 // stage 4 899 step2[0] = butterfly_cospi16(in[0]); 900 step2[4] = step1[4]; 901 step2[5] = step1[4]; 902 step2[6] = step1[7]; 903 step2[7] = step1[7]; 904 905 // stage 5 906 step1[0] = step2[0]; 907 step1[1] = step2[0]; 908 step1[2] = step2[0]; 909 step1[3] = step2[0]; 910 step1[4] = step2[4]; 911 butterfly(step2[6], step2[5], cospi_16_64, cospi_16_64, &step1[5], &step1[6]); 912 step1[7] = step2[7]; 913 914 // stage 6 915 out[0] = _mm_add_epi16(step1[0], step1[7]); 916 out[1] = _mm_add_epi16(step1[1], step1[6]); 917 out[2] = _mm_add_epi16(step1[2], step1[5]); 918 out[3] = _mm_add_epi16(step1[3], step1[4]); 919 out[4] = _mm_sub_epi16(step1[3], step1[4]); 920 out[5] = _mm_sub_epi16(step1[2], step1[5]); 921 out[6] = _mm_sub_epi16(step1[1], step1[6]); 922 out[7] = _mm_sub_epi16(step1[0], step1[7]); 923 } 924 925 // For each 8x32 block __m128i in[32], 926 // Input with index, 2, 6 927 // output pixels: 8-15 in __m128i out[32] 928 static INLINE void idct32_34_8x32_quarter_2(const __m128i *const in /*in[32]*/, 929 __m128i *const out /*out[16]*/) { 930 const __m128i zero = _mm_setzero_si128(); 931 __m128i step1[16], step2[16]; 932 933 // stage 2 934 butterfly(in[2], zero, cospi_30_64, cospi_2_64, &step2[8], &step2[15]); 935 butterfly(zero, in[6], cospi_6_64, cospi_26_64, &step2[11], &step2[12]); 936 937 // stage 3 938 step1[8] = step2[8]; 939 step1[9] = step2[8]; 940 step1[14] = step2[15]; 941 step1[15] = step2[15]; 942 step1[10] = step2[11]; 943 step1[11] = step2[11]; 944 step1[12] = step2[12]; 945 step1[13] = step2[12]; 946 947 idct32_8x32_quarter_2_stage_4_to_6(step1, out); 948 } 949 950 static INLINE void idct32_34_8x32_quarter_1_2( 951 const __m128i *const in /*in[32]*/, __m128i *const out /*out[32]*/) { 952 __m128i temp[16]; 953 idct32_34_8x32_quarter_1(in, temp); 954 idct32_34_8x32_quarter_2(in, temp); 955 // stage 7 956 add_sub_butterfly(temp, out, 16); 957 } 958 959 // For each 8x32 block __m128i in[32], 960 // Input with odd index, 1, 3, 5, 7 961 // output pixels: 16-23, 24-31 in __m128i out[32] 962 static INLINE void idct32_34_8x32_quarter_3_4( 963 const __m128i *const in /*in[32]*/, __m128i *const out /*out[32]*/) { 964 const __m128i zero = _mm_setzero_si128(); 965 __m128i step1[32]; 966 967 // stage 1 968 butterfly(in[1], zero, cospi_31_64, cospi_1_64, &step1[16], &step1[31]); 969 butterfly(zero, in[7], cospi_7_64, cospi_25_64, &step1[19], &step1[28]); 970 butterfly(in[5], zero, cospi_27_64, cospi_5_64, &step1[20], &step1[27]); 971 butterfly(zero, in[3], cospi_3_64, cospi_29_64, &step1[23], &step1[24]); 972 973 // stage 3 974 butterfly(step1[31], step1[16], cospi_28_64, cospi_4_64, &step1[17], 975 &step1[30]); 976 butterfly(step1[28], step1[19], -cospi_4_64, cospi_28_64, &step1[18], 977 &step1[29]); 978 butterfly(step1[27], step1[20], cospi_12_64, cospi_20_64, &step1[21], 979 &step1[26]); 980 butterfly(step1[24], step1[23], -cospi_20_64, cospi_12_64, &step1[22], 981 &step1[25]); 982 983 idct32_8x32_quarter_3_4_stage_4_to_7(step1, out); 984 } 985 986 void idct32_34_8x32_sse2(const __m128i *const in /*in[32]*/, 987 __m128i *const out /*out[32]*/) { 988 __m128i temp[32]; 989 990 idct32_34_8x32_quarter_1_2(in, temp); 991 idct32_34_8x32_quarter_3_4(in, temp); 992 // final stage 993 add_sub_butterfly(temp, out, 32); 994 } 995 996 // Only upper-left 8x8 has non-zero coeff 997 void vpx_idct32x32_34_add_sse2(const tran_low_t *input, uint8_t *dest, 998 int stride) { 999 __m128i io[32], col[32]; 1000 int i; 1001 1002 // Load input data. Only need to load the top left 8x8 block. 1003 load_transpose_16bit_8x8(input, 32, io); 1004 idct32_34_8x32_sse2(io, col); 1005 1006 for (i = 0; i < 32; i += 8) { 1007 int j; 1008 transpose_16bit_8x8(col + i, io); 1009 idct32_34_8x32_sse2(io, io); 1010 1011 for (j = 0; j < 32; ++j) { 1012 write_buffer_8x1(dest + j * stride, io[j]); 1013 } 1014 1015 dest += 8; 1016 } 1017 } 1018 1019 // For each 8x32 block __m128i in[32], 1020 // Input with index, 0, 4, 8, 12, 16, 20, 24, 28 1021 // output pixels: 0-7 in __m128i out[32] 1022 static INLINE void idct32_1024_8x32_quarter_1( 1023 const __m128i *const in /*in[32]*/, __m128i *const out /*out[8]*/) { 1024 __m128i step1[8], step2[8]; 1025 1026 // stage 3 1027 butterfly(in[4], in[28], cospi_28_64, cospi_4_64, &step1[4], &step1[7]); 1028 butterfly(in[20], in[12], cospi_12_64, cospi_20_64, &step1[5], &step1[6]); 1029 1030 // stage 4 1031 butterfly(in[0], in[16], cospi_16_64, cospi_16_64, &step2[1], &step2[0]); 1032 butterfly(in[8], in[24], cospi_24_64, cospi_8_64, &step2[2], &step2[3]); 1033 step2[4] = _mm_add_epi16(step1[4], step1[5]); 1034 step2[5] = _mm_sub_epi16(step1[4], step1[5]); 1035 step2[6] = _mm_sub_epi16(step1[7], step1[6]); 1036 step2[7] = _mm_add_epi16(step1[7], step1[6]); 1037 1038 // stage 5 1039 step1[0] = _mm_add_epi16(step2[0], step2[3]); 1040 step1[1] = _mm_add_epi16(step2[1], step2[2]); 1041 step1[2] = _mm_sub_epi16(step2[1], step2[2]); 1042 step1[3] = _mm_sub_epi16(step2[0], step2[3]); 1043 step1[4] = step2[4]; 1044 butterfly(step2[6], step2[5], cospi_16_64, cospi_16_64, &step1[5], &step1[6]); 1045 step1[7] = step2[7]; 1046 1047 // stage 6 1048 out[0] = _mm_add_epi16(step1[0], step1[7]); 1049 out[1] = _mm_add_epi16(step1[1], step1[6]); 1050 out[2] = _mm_add_epi16(step1[2], step1[5]); 1051 out[3] = _mm_add_epi16(step1[3], step1[4]); 1052 out[4] = _mm_sub_epi16(step1[3], step1[4]); 1053 out[5] = _mm_sub_epi16(step1[2], step1[5]); 1054 out[6] = _mm_sub_epi16(step1[1], step1[6]); 1055 out[7] = _mm_sub_epi16(step1[0], step1[7]); 1056 } 1057 1058 // For each 8x32 block __m128i in[32], 1059 // Input with index, 2, 6, 10, 14, 18, 22, 26, 30 1060 // output pixels: 8-15 in __m128i out[32] 1061 static INLINE void idct32_1024_8x32_quarter_2( 1062 const __m128i *const in /*in[32]*/, __m128i *const out /*out[16]*/) { 1063 __m128i step1[16], step2[16]; 1064 1065 // stage 2 1066 butterfly(in[2], in[30], cospi_30_64, cospi_2_64, &step2[8], &step2[15]); 1067 butterfly(in[18], in[14], cospi_14_64, cospi_18_64, &step2[9], &step2[14]); 1068 butterfly(in[10], in[22], cospi_22_64, cospi_10_64, &step2[10], &step2[13]); 1069 butterfly(in[26], in[6], cospi_6_64, cospi_26_64, &step2[11], &step2[12]); 1070 1071 // stage 3 1072 step1[8] = _mm_add_epi16(step2[8], step2[9]); 1073 step1[9] = _mm_sub_epi16(step2[8], step2[9]); 1074 step1[10] = _mm_sub_epi16(step2[11], step2[10]); 1075 step1[11] = _mm_add_epi16(step2[11], step2[10]); 1076 step1[12] = _mm_add_epi16(step2[12], step2[13]); 1077 step1[13] = _mm_sub_epi16(step2[12], step2[13]); 1078 step1[14] = _mm_sub_epi16(step2[15], step2[14]); 1079 step1[15] = _mm_add_epi16(step2[15], step2[14]); 1080 1081 idct32_8x32_quarter_2_stage_4_to_6(step1, out); 1082 } 1083 1084 static INLINE void idct32_1024_8x32_quarter_1_2( 1085 const __m128i *const in /*in[32]*/, __m128i *const out /*out[32]*/) { 1086 __m128i temp[16]; 1087 idct32_1024_8x32_quarter_1(in, temp); 1088 idct32_1024_8x32_quarter_2(in, temp); 1089 // stage 7 1090 add_sub_butterfly(temp, out, 16); 1091 } 1092 1093 // For each 8x32 block __m128i in[32], 1094 // Input with odd index, 1095 // 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31 1096 // output pixels: 16-23, 24-31 in __m128i out[32] 1097 static INLINE void idct32_1024_8x32_quarter_3_4( 1098 const __m128i *const in /*in[32]*/, __m128i *const out /*out[32]*/) { 1099 __m128i step1[32], step2[32]; 1100 1101 // stage 1 1102 butterfly(in[1], in[31], cospi_31_64, cospi_1_64, &step1[16], &step1[31]); 1103 butterfly(in[17], in[15], cospi_15_64, cospi_17_64, &step1[17], &step1[30]); 1104 butterfly(in[9], in[23], cospi_23_64, cospi_9_64, &step1[18], &step1[29]); 1105 butterfly(in[25], in[7], cospi_7_64, cospi_25_64, &step1[19], &step1[28]); 1106 1107 butterfly(in[5], in[27], cospi_27_64, cospi_5_64, &step1[20], &step1[27]); 1108 butterfly(in[21], in[11], cospi_11_64, cospi_21_64, &step1[21], &step1[26]); 1109 1110 butterfly(in[13], in[19], cospi_19_64, cospi_13_64, &step1[22], &step1[25]); 1111 butterfly(in[29], in[3], cospi_3_64, cospi_29_64, &step1[23], &step1[24]); 1112 1113 // stage 2 1114 step2[16] = _mm_add_epi16(step1[16], step1[17]); 1115 step2[17] = _mm_sub_epi16(step1[16], step1[17]); 1116 step2[18] = _mm_sub_epi16(step1[19], step1[18]); 1117 step2[19] = _mm_add_epi16(step1[19], step1[18]); 1118 step2[20] = _mm_add_epi16(step1[20], step1[21]); 1119 step2[21] = _mm_sub_epi16(step1[20], step1[21]); 1120 step2[22] = _mm_sub_epi16(step1[23], step1[22]); 1121 step2[23] = _mm_add_epi16(step1[23], step1[22]); 1122 1123 step2[24] = _mm_add_epi16(step1[24], step1[25]); 1124 step2[25] = _mm_sub_epi16(step1[24], step1[25]); 1125 step2[26] = _mm_sub_epi16(step1[27], step1[26]); 1126 step2[27] = _mm_add_epi16(step1[27], step1[26]); 1127 step2[28] = _mm_add_epi16(step1[28], step1[29]); 1128 step2[29] = _mm_sub_epi16(step1[28], step1[29]); 1129 step2[30] = _mm_sub_epi16(step1[31], step1[30]); 1130 step2[31] = _mm_add_epi16(step1[31], step1[30]); 1131 1132 // stage 3 1133 step1[16] = step2[16]; 1134 step1[31] = step2[31]; 1135 butterfly(step2[30], step2[17], cospi_28_64, cospi_4_64, &step1[17], 1136 &step1[30]); 1137 butterfly(step2[29], step2[18], -cospi_4_64, cospi_28_64, &step1[18], 1138 &step1[29]); 1139 step1[19] = step2[19]; 1140 step1[20] = step2[20]; 1141 butterfly(step2[26], step2[21], cospi_12_64, cospi_20_64, &step1[21], 1142 &step1[26]); 1143 butterfly(step2[25], step2[22], -cospi_20_64, cospi_12_64, &step1[22], 1144 &step1[25]); 1145 step1[23] = step2[23]; 1146 step1[24] = step2[24]; 1147 step1[27] = step2[27]; 1148 step1[28] = step2[28]; 1149 1150 idct32_8x32_quarter_3_4_stage_4_to_7(step1, out); 1151 } 1152 1153 void idct32_1024_8x32(const __m128i *const in /*in[32]*/, 1154 __m128i *const out /*out[32]*/) { 1155 __m128i temp[32]; 1156 1157 idct32_1024_8x32_quarter_1_2(in, temp); 1158 idct32_1024_8x32_quarter_3_4(in, temp); 1159 // final stage 1160 add_sub_butterfly(temp, out, 32); 1161 } 1162 1163 void vpx_idct32x32_1024_add_sse2(const tran_low_t *input, uint8_t *dest, 1164 int stride) { 1165 __m128i col[4][32], io[32]; 1166 int i; 1167 1168 // rows 1169 for (i = 0; i < 4; i++) { 1170 load_transpose_16bit_8x8(&input[0], 32, &io[0]); 1171 load_transpose_16bit_8x8(&input[8], 32, &io[8]); 1172 load_transpose_16bit_8x8(&input[16], 32, &io[16]); 1173 load_transpose_16bit_8x8(&input[24], 32, &io[24]); 1174 idct32_1024_8x32(io, col[i]); 1175 input += 32 << 3; 1176 } 1177 1178 // columns 1179 for (i = 0; i < 32; i += 8) { 1180 // Transpose 32x8 block to 8x32 block 1181 transpose_16bit_8x8(col[0] + i, io); 1182 transpose_16bit_8x8(col[1] + i, io + 8); 1183 transpose_16bit_8x8(col[2] + i, io + 16); 1184 transpose_16bit_8x8(col[3] + i, io + 24); 1185 1186 idct32_1024_8x32(io, io); 1187 store_buffer_8x32(io, dest, stride); 1188 dest += 8; 1189 } 1190 } 1191 1192 void vpx_idct32x32_135_add_sse2(const tran_low_t *input, uint8_t *dest, 1193 int stride) { 1194 __m128i col[2][32], in[32], out[32]; 1195 int i; 1196 1197 for (i = 16; i < 32; i++) { 1198 in[i] = _mm_setzero_si128(); 1199 } 1200 1201 // rows 1202 for (i = 0; i < 2; i++) { 1203 load_transpose_16bit_8x8(&input[0], 32, &in[0]); 1204 load_transpose_16bit_8x8(&input[8], 32, &in[8]); 1205 idct32_1024_8x32(in, col[i]); 1206 input += 32 << 3; 1207 } 1208 1209 // columns 1210 for (i = 0; i < 32; i += 8) { 1211 transpose_16bit_8x8(col[0] + i, in); 1212 transpose_16bit_8x8(col[1] + i, in + 8); 1213 idct32_1024_8x32(in, out); 1214 store_buffer_8x32(out, dest, stride); 1215 dest += 8; 1216 } 1217 } 1218 1219 void vpx_idct32x32_1_add_sse2(const tran_low_t *input, uint8_t *dest, 1220 int stride) { 1221 __m128i dc_value; 1222 int j; 1223 tran_high_t a1; 1224 tran_low_t out = 1225 WRAPLOW(dct_const_round_shift((int16_t)input[0] * cospi_16_64)); 1226 1227 out = WRAPLOW(dct_const_round_shift(out * cospi_16_64)); 1228 a1 = ROUND_POWER_OF_TWO(out, 6); 1229 dc_value = _mm_set1_epi16((int16_t)a1); 1230 1231 for (j = 0; j < 32; ++j) { 1232 recon_and_store_16(dest + j * stride + 0, dc_value); 1233 recon_and_store_16(dest + j * stride + 16, dc_value); 1234 } 1235 } 1236
