bitdepth_conversion_avx2.h (1307B)
1 /* 2 * Copyright (c) 2016, Alliance for Open Media. All rights reserved. 3 * 4 * This source code is subject to the terms of the BSD 2 Clause License and 5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License 6 * was not distributed with this source code in the LICENSE file, you can 7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open 8 * Media Patent License 1.0 was not distributed with this source code in the 9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent. 10 */ 11 12 #include <immintrin.h> 13 14 #include "config/aom_config.h" 15 #include "aom/aom_integer.h" 16 #include "aom_dsp/aom_dsp_common.h" 17 18 static inline __m256i load_tran_low(const tran_low_t *a) { 19 const __m256i a_low = _mm256_loadu_si256((const __m256i *)a); 20 const __m256i a_high = _mm256_loadu_si256((const __m256i *)(a + 8)); 21 return _mm256_packs_epi32(a_low, a_high); 22 } 23 24 static inline void store_tran_low(__m256i a, tran_low_t *b) { 25 const __m256i one = _mm256_set1_epi16(1); 26 const __m256i a_hi = _mm256_mulhi_epi16(a, one); 27 const __m256i a_lo = _mm256_mullo_epi16(a, one); 28 const __m256i a_1 = _mm256_unpacklo_epi16(a_lo, a_hi); 29 const __m256i a_2 = _mm256_unpackhi_epi16(a_lo, a_hi); 30 _mm256_storeu_si256((__m256i *)b, a_1); 31 _mm256_storeu_si256((__m256i *)(b + 8), a_2); 32 }