16ac915abcdb404a00d927fe6308a47fcf09d9519hkuang/* 26ac915abcdb404a00d927fe6308a47fcf09d9519hkuang * Copyright (c) 2014 The WebM project authors. All Rights Reserved. 36ac915abcdb404a00d927fe6308a47fcf09d9519hkuang * 46ac915abcdb404a00d927fe6308a47fcf09d9519hkuang * Use of this source code is governed by a BSD-style license 56ac915abcdb404a00d927fe6308a47fcf09d9519hkuang * that can be found in the LICENSE file in the root of the source 66ac915abcdb404a00d927fe6308a47fcf09d9519hkuang * tree. An additional intellectual property rights grant can be found 76ac915abcdb404a00d927fe6308a47fcf09d9519hkuang * in the file PATENTS. All contributing project authors may 86ac915abcdb404a00d927fe6308a47fcf09d9519hkuang * be found in the AUTHORS file in the root of the source tree. 96ac915abcdb404a00d927fe6308a47fcf09d9519hkuang */ 106ac915abcdb404a00d927fe6308a47fcf09d9519hkuang#include <immintrin.h> // AVX2 116ac915abcdb404a00d927fe6308a47fcf09d9519hkuang#include "vpx/vpx_integer.h" 126ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 136ac915abcdb404a00d927fe6308a47fcf09d9519hkuangvoid vp9_sad32x32x4d_avx2(uint8_t *src, 146ac915abcdb404a00d927fe6308a47fcf09d9519hkuang int src_stride, 156ac915abcdb404a00d927fe6308a47fcf09d9519hkuang uint8_t *ref[4], 166ac915abcdb404a00d927fe6308a47fcf09d9519hkuang int ref_stride, 176ac915abcdb404a00d927fe6308a47fcf09d9519hkuang unsigned int res[4]) { 186ac915abcdb404a00d927fe6308a47fcf09d9519hkuang __m256i src_reg, ref0_reg, ref1_reg, ref2_reg, ref3_reg; 196ac915abcdb404a00d927fe6308a47fcf09d9519hkuang __m256i sum_ref0, sum_ref1, sum_ref2, sum_ref3; 206ac915abcdb404a00d927fe6308a47fcf09d9519hkuang __m256i sum_mlow, sum_mhigh; 216ac915abcdb404a00d927fe6308a47fcf09d9519hkuang int i; 226ac915abcdb404a00d927fe6308a47fcf09d9519hkuang uint8_t *ref0, *ref1, *ref2, *ref3; 236ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 246ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref0 = ref[0]; 256ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref1 = ref[1]; 266ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref2 = ref[2]; 276ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref3 = ref[3]; 286ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref0 = _mm256_set1_epi16(0); 296ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref1 = _mm256_set1_epi16(0); 306ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref2 = _mm256_set1_epi16(0); 316ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref3 = _mm256_set1_epi16(0); 326ac915abcdb404a00d927fe6308a47fcf09d9519hkuang for (i = 0; i < 32 ; i++) { 336ac915abcdb404a00d927fe6308a47fcf09d9519hkuang // load src and all refs 346ac915abcdb404a00d927fe6308a47fcf09d9519hkuang src_reg = _mm256_load_si256((__m256i *)(src)); 356ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref0_reg = _mm256_loadu_si256((__m256i *) (ref0)); 366ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref1_reg = _mm256_loadu_si256((__m256i *) (ref1)); 376ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref2_reg = _mm256_loadu_si256((__m256i *) (ref2)); 386ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref3_reg = _mm256_loadu_si256((__m256i *) (ref3)); 396ac915abcdb404a00d927fe6308a47fcf09d9519hkuang // sum of the absolute differences between every ref-i to src 406ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref0_reg = _mm256_sad_epu8(ref0_reg, src_reg); 416ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref1_reg = _mm256_sad_epu8(ref1_reg, src_reg); 426ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref2_reg = _mm256_sad_epu8(ref2_reg, src_reg); 436ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref3_reg = _mm256_sad_epu8(ref3_reg, src_reg); 446ac915abcdb404a00d927fe6308a47fcf09d9519hkuang // sum every ref-i 456ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref0 = _mm256_add_epi32(sum_ref0, ref0_reg); 466ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref1 = _mm256_add_epi32(sum_ref1, ref1_reg); 476ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref2 = _mm256_add_epi32(sum_ref2, ref2_reg); 486ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref3 = _mm256_add_epi32(sum_ref3, ref3_reg); 496ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 506ac915abcdb404a00d927fe6308a47fcf09d9519hkuang src+= src_stride; 516ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref0+= ref_stride; 526ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref1+= ref_stride; 536ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref2+= ref_stride; 546ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref3+= ref_stride; 556ac915abcdb404a00d927fe6308a47fcf09d9519hkuang } 566ac915abcdb404a00d927fe6308a47fcf09d9519hkuang { 576ac915abcdb404a00d927fe6308a47fcf09d9519hkuang __m128i sum; 586ac915abcdb404a00d927fe6308a47fcf09d9519hkuang // in sum_ref-i the result is saved in the first 4 bytes 596ac915abcdb404a00d927fe6308a47fcf09d9519hkuang // the other 4 bytes are zeroed. 606ac915abcdb404a00d927fe6308a47fcf09d9519hkuang // sum_ref1 and sum_ref3 are shifted left by 4 bytes 616ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref1 = _mm256_slli_si256(sum_ref1, 4); 626ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref3 = _mm256_slli_si256(sum_ref3, 4); 636ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 646ac915abcdb404a00d927fe6308a47fcf09d9519hkuang // merge sum_ref0 and sum_ref1 also sum_ref2 and sum_ref3 656ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref0 = _mm256_or_si256(sum_ref0, sum_ref1); 666ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref2 = _mm256_or_si256(sum_ref2, sum_ref3); 676ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 686ac915abcdb404a00d927fe6308a47fcf09d9519hkuang // merge every 64 bit from each sum_ref-i 696ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_mlow = _mm256_unpacklo_epi64(sum_ref0, sum_ref2); 706ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_mhigh = _mm256_unpackhi_epi64(sum_ref0, sum_ref2); 716ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 726ac915abcdb404a00d927fe6308a47fcf09d9519hkuang // add the low 64 bit to the high 64 bit 736ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_mlow = _mm256_add_epi32(sum_mlow, sum_mhigh); 746ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 756ac915abcdb404a00d927fe6308a47fcf09d9519hkuang // add the low 128 bit to the high 128 bit 766ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum = _mm_add_epi32(_mm256_castsi256_si128(sum_mlow), 776ac915abcdb404a00d927fe6308a47fcf09d9519hkuang _mm256_extractf128_si256(sum_mlow, 1)); 786ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 796ac915abcdb404a00d927fe6308a47fcf09d9519hkuang _mm_storeu_si128((__m128i *)(res), sum); 806ac915abcdb404a00d927fe6308a47fcf09d9519hkuang } 816ac915abcdb404a00d927fe6308a47fcf09d9519hkuang} 826ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 836ac915abcdb404a00d927fe6308a47fcf09d9519hkuangvoid vp9_sad64x64x4d_avx2(uint8_t *src, 846ac915abcdb404a00d927fe6308a47fcf09d9519hkuang int src_stride, 856ac915abcdb404a00d927fe6308a47fcf09d9519hkuang uint8_t *ref[4], 866ac915abcdb404a00d927fe6308a47fcf09d9519hkuang int ref_stride, 876ac915abcdb404a00d927fe6308a47fcf09d9519hkuang unsigned int res[4]) { 886ac915abcdb404a00d927fe6308a47fcf09d9519hkuang __m256i src_reg, srcnext_reg, ref0_reg, ref0next_reg; 896ac915abcdb404a00d927fe6308a47fcf09d9519hkuang __m256i ref1_reg, ref1next_reg, ref2_reg, ref2next_reg; 906ac915abcdb404a00d927fe6308a47fcf09d9519hkuang __m256i ref3_reg, ref3next_reg; 916ac915abcdb404a00d927fe6308a47fcf09d9519hkuang __m256i sum_ref0, sum_ref1, sum_ref2, sum_ref3; 926ac915abcdb404a00d927fe6308a47fcf09d9519hkuang __m256i sum_mlow, sum_mhigh; 936ac915abcdb404a00d927fe6308a47fcf09d9519hkuang int i; 946ac915abcdb404a00d927fe6308a47fcf09d9519hkuang uint8_t *ref0, *ref1, *ref2, *ref3; 956ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 966ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref0 = ref[0]; 976ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref1 = ref[1]; 986ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref2 = ref[2]; 996ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref3 = ref[3]; 1006ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref0 = _mm256_set1_epi16(0); 1016ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref1 = _mm256_set1_epi16(0); 1026ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref2 = _mm256_set1_epi16(0); 1036ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref3 = _mm256_set1_epi16(0); 1046ac915abcdb404a00d927fe6308a47fcf09d9519hkuang for (i = 0; i < 64 ; i++) { 1056ac915abcdb404a00d927fe6308a47fcf09d9519hkuang // load 64 bytes from src and all refs 1066ac915abcdb404a00d927fe6308a47fcf09d9519hkuang src_reg = _mm256_load_si256((__m256i *)(src)); 1076ac915abcdb404a00d927fe6308a47fcf09d9519hkuang srcnext_reg = _mm256_load_si256((__m256i *)(src + 32)); 1086ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref0_reg = _mm256_loadu_si256((__m256i *) (ref0)); 1096ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref0next_reg = _mm256_loadu_si256((__m256i *) (ref0 + 32)); 1106ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref1_reg = _mm256_loadu_si256((__m256i *) (ref1)); 1116ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref1next_reg = _mm256_loadu_si256((__m256i *) (ref1 + 32)); 1126ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref2_reg = _mm256_loadu_si256((__m256i *) (ref2)); 1136ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref2next_reg = _mm256_loadu_si256((__m256i *) (ref2 + 32)); 1146ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref3_reg = _mm256_loadu_si256((__m256i *) (ref3)); 1156ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref3next_reg = _mm256_loadu_si256((__m256i *) (ref3 + 32)); 1166ac915abcdb404a00d927fe6308a47fcf09d9519hkuang // sum of the absolute differences between every ref-i to src 1176ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref0_reg = _mm256_sad_epu8(ref0_reg, src_reg); 1186ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref1_reg = _mm256_sad_epu8(ref1_reg, src_reg); 1196ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref2_reg = _mm256_sad_epu8(ref2_reg, src_reg); 1206ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref3_reg = _mm256_sad_epu8(ref3_reg, src_reg); 1216ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref0next_reg = _mm256_sad_epu8(ref0next_reg, srcnext_reg); 1226ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref1next_reg = _mm256_sad_epu8(ref1next_reg, srcnext_reg); 1236ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref2next_reg = _mm256_sad_epu8(ref2next_reg, srcnext_reg); 1246ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref3next_reg = _mm256_sad_epu8(ref3next_reg, srcnext_reg); 1256ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 1266ac915abcdb404a00d927fe6308a47fcf09d9519hkuang // sum every ref-i 1276ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref0 = _mm256_add_epi32(sum_ref0, ref0_reg); 1286ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref1 = _mm256_add_epi32(sum_ref1, ref1_reg); 1296ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref2 = _mm256_add_epi32(sum_ref2, ref2_reg); 1306ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref3 = _mm256_add_epi32(sum_ref3, ref3_reg); 1316ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref0 = _mm256_add_epi32(sum_ref0, ref0next_reg); 1326ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref1 = _mm256_add_epi32(sum_ref1, ref1next_reg); 1336ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref2 = _mm256_add_epi32(sum_ref2, ref2next_reg); 1346ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref3 = _mm256_add_epi32(sum_ref3, ref3next_reg); 1356ac915abcdb404a00d927fe6308a47fcf09d9519hkuang src+= src_stride; 1366ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref0+= ref_stride; 1376ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref1+= ref_stride; 1386ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref2+= ref_stride; 1396ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ref3+= ref_stride; 1406ac915abcdb404a00d927fe6308a47fcf09d9519hkuang } 1416ac915abcdb404a00d927fe6308a47fcf09d9519hkuang { 1426ac915abcdb404a00d927fe6308a47fcf09d9519hkuang __m128i sum; 1436ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 1446ac915abcdb404a00d927fe6308a47fcf09d9519hkuang // in sum_ref-i the result is saved in the first 4 bytes 1456ac915abcdb404a00d927fe6308a47fcf09d9519hkuang // the other 4 bytes are zeroed. 1466ac915abcdb404a00d927fe6308a47fcf09d9519hkuang // sum_ref1 and sum_ref3 are shifted left by 4 bytes 1476ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref1 = _mm256_slli_si256(sum_ref1, 4); 1486ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref3 = _mm256_slli_si256(sum_ref3, 4); 1496ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 1506ac915abcdb404a00d927fe6308a47fcf09d9519hkuang // merge sum_ref0 and sum_ref1 also sum_ref2 and sum_ref3 1516ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref0 = _mm256_or_si256(sum_ref0, sum_ref1); 1526ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_ref2 = _mm256_or_si256(sum_ref2, sum_ref3); 1536ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 1546ac915abcdb404a00d927fe6308a47fcf09d9519hkuang // merge every 64 bit from each sum_ref-i 1556ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_mlow = _mm256_unpacklo_epi64(sum_ref0, sum_ref2); 1566ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_mhigh = _mm256_unpackhi_epi64(sum_ref0, sum_ref2); 1576ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 1586ac915abcdb404a00d927fe6308a47fcf09d9519hkuang // add the low 64 bit to the high 64 bit 1596ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum_mlow = _mm256_add_epi32(sum_mlow, sum_mhigh); 1606ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 1616ac915abcdb404a00d927fe6308a47fcf09d9519hkuang // add the low 128 bit to the high 128 bit 1626ac915abcdb404a00d927fe6308a47fcf09d9519hkuang sum = _mm_add_epi32(_mm256_castsi256_si128(sum_mlow), 1636ac915abcdb404a00d927fe6308a47fcf09d9519hkuang _mm256_extractf128_si256(sum_mlow, 1)); 1646ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 1656ac915abcdb404a00d927fe6308a47fcf09d9519hkuang _mm_storeu_si128((__m128i *)(res), sum); 1666ac915abcdb404a00d927fe6308a47fcf09d9519hkuang } 1676ac915abcdb404a00d927fe6308a47fcf09d9519hkuang} 168