1 /* 2 * Copyright (c) 2017 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 #ifndef VPX_DSP_X86_BITDEPTH_CONVERSION_AVX2_H_ 11 #define VPX_DSP_X86_BITDEPTH_CONVERSION_AVX2_H_ 12 13 #include <immintrin.h> 14 15 #include "./vpx_config.h" 16 #include "vpx/vpx_integer.h" 17 #include "vpx_dsp/vpx_dsp_common.h" 18 19 // Load 16 16 bit values. If the source is 32 bits then pack down with 20 // saturation. 21 static INLINE __m256i load_tran_low(const tran_low_t *a) { 22 #if CONFIG_VP9_HIGHBITDEPTH 23 const __m256i a_low = _mm256_loadu_si256((const __m256i *)a); 24 return _mm256_packs_epi32(a_low, *(const __m256i *)(a + 8)); 25 #else 26 return _mm256_loadu_si256((const __m256i *)a); 27 #endif 28 } 29 30 #endif // VPX_DSP_X86_BITDEPTH_CONVERSION_AVX2_H_ 31
