| /* |
| * Copyright (c) 2017 The WebM project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| #ifndef VPX_VPX_DSP_X86_BITDEPTH_CONVERSION_AVX2_H_ |
| #define VPX_VPX_DSP_X86_BITDEPTH_CONVERSION_AVX2_H_ |
| |
| #include <immintrin.h> |
| |
| #include "./vpx_config.h" |
| #include "vpx/vpx_integer.h" |
| #include "vpx_dsp/vpx_dsp_common.h" |
| |
| // Load 16 16 bit values. If the source is 32 bits then pack down with |
| // saturation. |
| static INLINE __m256i load_tran_low(const tran_low_t *a) { |
| #if CONFIG_VP9_HIGHBITDEPTH |
| const __m256i a_low = _mm256_loadu_si256((const __m256i *)a); |
| const __m256i a_high = _mm256_loadu_si256((const __m256i *)(a + 8)); |
| return _mm256_packs_epi32(a_low, a_high); |
| #else |
| return _mm256_loadu_si256((const __m256i *)a); |
| #endif |
| } |
| |
| static INLINE void store_tran_low(__m256i a, tran_low_t *b) { |
| #if CONFIG_VP9_HIGHBITDEPTH |
| const __m256i one = _mm256_set1_epi16(1); |
| const __m256i a_hi = _mm256_mulhi_epi16(a, one); |
| const __m256i a_lo = _mm256_mullo_epi16(a, one); |
| const __m256i a_1 = _mm256_unpacklo_epi16(a_lo, a_hi); |
| const __m256i a_2 = _mm256_unpackhi_epi16(a_lo, a_hi); |
| _mm256_storeu_si256((__m256i *)b, a_1); |
| _mm256_storeu_si256((__m256i *)(b + 8), a_2); |
| #else |
| _mm256_storeu_si256((__m256i *)b, a); |
| #endif |
| } |
| #endif // VPX_VPX_DSP_X86_BITDEPTH_CONVERSION_AVX2_H_ |