193a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org/* 293a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org * Copyright (c) 2014 The WebM project authors. All Rights Reserved. 393a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org * 493a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org * Use of this source code is governed by a BSD-style license 593a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org * that can be found in the LICENSE file in the root of the source 693a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org * tree. An additional intellectual property rights grant can be found 793a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org * in the file PATENTS. All contributing project authors may 893a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org * be found in the AUTHORS file in the root of the source tree. 993a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org */ 1093a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org#include <immintrin.h> // AVX2 1193a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org#include "vpx/vpx_integer.h" 1293a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org 1393a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.orgvoid vp9_sad32x32x4d_avx2(uint8_t *src, 1493a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org int src_stride, 1593a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org uint8_t *ref[4], 1693a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org int ref_stride, 1793a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org unsigned int res[4]) { 1893a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org __m256i src_reg, ref0_reg, ref1_reg, ref2_reg, ref3_reg; 1993a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org __m256i sum_ref0, sum_ref1, sum_ref2, sum_ref3; 2093a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org __m256i sum_mlow, sum_mhigh; 2193a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org int i; 2293a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org uint8_t *ref0, *ref1, *ref2, *ref3; 2393a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org 2493a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref0 = ref[0]; 2593a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref1 = ref[1]; 2693a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref2 = ref[2]; 2793a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref3 = ref[3]; 2893a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref0 = _mm256_set1_epi16(0); 2993a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref1 = _mm256_set1_epi16(0); 3093a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref2 = _mm256_set1_epi16(0); 3193a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref3 = _mm256_set1_epi16(0); 3293a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org for (i = 0; i < 32 ; i++) { 3393a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org // load src and all refs 3441294d96d7dbf9bc215b09832a8336c5fb158f0bjohannkoenig@chromium.org src_reg = _mm256_loadu_si256((__m256i *)(src)); 3593a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref0_reg = _mm256_loadu_si256((__m256i *) (ref0)); 3693a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref1_reg = _mm256_loadu_si256((__m256i *) (ref1)); 3793a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref2_reg = _mm256_loadu_si256((__m256i *) (ref2)); 3893a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref3_reg = _mm256_loadu_si256((__m256i *) (ref3)); 3993a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org // sum of the absolute differences between every ref-i to src 4093a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref0_reg = _mm256_sad_epu8(ref0_reg, src_reg); 4193a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref1_reg = _mm256_sad_epu8(ref1_reg, src_reg); 4293a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref2_reg = _mm256_sad_epu8(ref2_reg, src_reg); 4393a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref3_reg = _mm256_sad_epu8(ref3_reg, src_reg); 4493a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org // sum every ref-i 4593a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref0 = _mm256_add_epi32(sum_ref0, ref0_reg); 4693a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref1 = _mm256_add_epi32(sum_ref1, ref1_reg); 4793a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref2 = _mm256_add_epi32(sum_ref2, ref2_reg); 4893a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref3 = _mm256_add_epi32(sum_ref3, ref3_reg); 4993a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org 5093a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org src+= src_stride; 5193a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref0+= ref_stride; 5293a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref1+= ref_stride; 5393a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref2+= ref_stride; 5493a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref3+= ref_stride; 5593a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org } 5693a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org { 5793a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org __m128i sum; 5893a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org // in sum_ref-i the result is saved in the first 4 bytes 5993a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org // the other 4 bytes are zeroed. 6093a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org // sum_ref1 and sum_ref3 are shifted left by 4 bytes 6193a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref1 = _mm256_slli_si256(sum_ref1, 4); 6293a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref3 = _mm256_slli_si256(sum_ref3, 4); 6393a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org 6493a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org // merge sum_ref0 and sum_ref1 also sum_ref2 and sum_ref3 6593a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref0 = _mm256_or_si256(sum_ref0, sum_ref1); 6693a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref2 = _mm256_or_si256(sum_ref2, sum_ref3); 6793a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org 6893a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org // merge every 64 bit from each sum_ref-i 6993a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_mlow = _mm256_unpacklo_epi64(sum_ref0, sum_ref2); 7093a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_mhigh = _mm256_unpackhi_epi64(sum_ref0, sum_ref2); 7193a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org 7293a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org // add the low 64 bit to the high 64 bit 7393a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_mlow = _mm256_add_epi32(sum_mlow, sum_mhigh); 7493a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org 7593a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org // add the low 128 bit to the high 128 bit 7693a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum = _mm_add_epi32(_mm256_castsi256_si128(sum_mlow), 7793a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org _mm256_extractf128_si256(sum_mlow, 1)); 7893a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org 7993a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org _mm_storeu_si128((__m128i *)(res), sum); 8093a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org } 8193a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org} 8293a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org 8393a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.orgvoid vp9_sad64x64x4d_avx2(uint8_t *src, 8493a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org int src_stride, 8593a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org uint8_t *ref[4], 8693a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org int ref_stride, 8793a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org unsigned int res[4]) { 8893a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org __m256i src_reg, srcnext_reg, ref0_reg, ref0next_reg; 8993a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org __m256i ref1_reg, ref1next_reg, ref2_reg, ref2next_reg; 9093a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org __m256i ref3_reg, ref3next_reg; 9193a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org __m256i sum_ref0, sum_ref1, sum_ref2, sum_ref3; 9293a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org __m256i sum_mlow, sum_mhigh; 9393a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org int i; 9493a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org uint8_t *ref0, *ref1, *ref2, *ref3; 9593a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org 9693a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref0 = ref[0]; 9793a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref1 = ref[1]; 9893a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref2 = ref[2]; 9993a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref3 = ref[3]; 10093a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref0 = _mm256_set1_epi16(0); 10193a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref1 = _mm256_set1_epi16(0); 10293a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref2 = _mm256_set1_epi16(0); 10393a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref3 = _mm256_set1_epi16(0); 10493a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org for (i = 0; i < 64 ; i++) { 10593a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org // load 64 bytes from src and all refs 10641294d96d7dbf9bc215b09832a8336c5fb158f0bjohannkoenig@chromium.org src_reg = _mm256_loadu_si256((__m256i *)(src)); 10741294d96d7dbf9bc215b09832a8336c5fb158f0bjohannkoenig@chromium.org srcnext_reg = _mm256_loadu_si256((__m256i *)(src + 32)); 10893a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref0_reg = _mm256_loadu_si256((__m256i *) (ref0)); 10993a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref0next_reg = _mm256_loadu_si256((__m256i *) (ref0 + 32)); 11093a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref1_reg = _mm256_loadu_si256((__m256i *) (ref1)); 11193a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref1next_reg = _mm256_loadu_si256((__m256i *) (ref1 + 32)); 11293a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref2_reg = _mm256_loadu_si256((__m256i *) (ref2)); 11393a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref2next_reg = _mm256_loadu_si256((__m256i *) (ref2 + 32)); 11493a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref3_reg = _mm256_loadu_si256((__m256i *) (ref3)); 11593a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref3next_reg = _mm256_loadu_si256((__m256i *) (ref3 + 32)); 11693a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org // sum of the absolute differences between every ref-i to src 11793a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref0_reg = _mm256_sad_epu8(ref0_reg, src_reg); 11893a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref1_reg = _mm256_sad_epu8(ref1_reg, src_reg); 11993a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref2_reg = _mm256_sad_epu8(ref2_reg, src_reg); 12093a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref3_reg = _mm256_sad_epu8(ref3_reg, src_reg); 12193a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref0next_reg = _mm256_sad_epu8(ref0next_reg, srcnext_reg); 12293a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref1next_reg = _mm256_sad_epu8(ref1next_reg, srcnext_reg); 12393a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref2next_reg = _mm256_sad_epu8(ref2next_reg, srcnext_reg); 12493a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref3next_reg = _mm256_sad_epu8(ref3next_reg, srcnext_reg); 12593a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org 12693a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org // sum every ref-i 12793a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref0 = _mm256_add_epi32(sum_ref0, ref0_reg); 12893a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref1 = _mm256_add_epi32(sum_ref1, ref1_reg); 12993a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref2 = _mm256_add_epi32(sum_ref2, ref2_reg); 13093a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref3 = _mm256_add_epi32(sum_ref3, ref3_reg); 13193a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref0 = _mm256_add_epi32(sum_ref0, ref0next_reg); 13293a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref1 = _mm256_add_epi32(sum_ref1, ref1next_reg); 13393a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref2 = _mm256_add_epi32(sum_ref2, ref2next_reg); 13493a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref3 = _mm256_add_epi32(sum_ref3, ref3next_reg); 13593a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org src+= src_stride; 13693a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref0+= ref_stride; 13793a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref1+= ref_stride; 13893a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref2+= ref_stride; 13993a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org ref3+= ref_stride; 14093a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org } 14193a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org { 14293a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org __m128i sum; 14393a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org 14493a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org // in sum_ref-i the result is saved in the first 4 bytes 14593a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org // the other 4 bytes are zeroed. 14693a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org // sum_ref1 and sum_ref3 are shifted left by 4 bytes 14793a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref1 = _mm256_slli_si256(sum_ref1, 4); 14893a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref3 = _mm256_slli_si256(sum_ref3, 4); 14993a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org 15093a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org // merge sum_ref0 and sum_ref1 also sum_ref2 and sum_ref3 15193a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref0 = _mm256_or_si256(sum_ref0, sum_ref1); 15293a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_ref2 = _mm256_or_si256(sum_ref2, sum_ref3); 15393a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org 15493a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org // merge every 64 bit from each sum_ref-i 15593a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_mlow = _mm256_unpacklo_epi64(sum_ref0, sum_ref2); 15693a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_mhigh = _mm256_unpackhi_epi64(sum_ref0, sum_ref2); 15793a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org 15893a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org // add the low 64 bit to the high 64 bit 15993a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum_mlow = _mm256_add_epi32(sum_mlow, sum_mhigh); 16093a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org 16193a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org // add the low 128 bit to the high 128 bit 16293a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org sum = _mm_add_epi32(_mm256_castsi256_si128(sum_mlow), 16393a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org _mm256_extractf128_si256(sum_mlow, 1)); 16493a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org 16593a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org _mm_storeu_si128((__m128i *)(res), sum); 16693a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org } 16793a74791c8e808ea76001ee07693aa2a5fdd3500johannkoenig@chromium.org} 168