diff options
Diffstat (limited to '')
-rw-r--r-- | third_party/aom/aom_dsp/x86/bitdepth_conversion_avx2.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/x86/bitdepth_conversion_avx2.h b/third_party/aom/aom_dsp/x86/bitdepth_conversion_avx2.h new file mode 100644 index 0000000000..85896e2768 --- /dev/null +++ b/third_party/aom/aom_dsp/x86/bitdepth_conversion_avx2.h @@ -0,0 +1,32 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ + +#include <immintrin.h> + +#include "config/aom_config.h" +#include "aom/aom_integer.h" +#include "aom_dsp/aom_dsp_common.h" + +static INLINE __m256i load_tran_low(const tran_low_t *a) { + 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); +} + +static INLINE void store_tran_low(__m256i a, tran_low_t *b) { + 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); +} |