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aom: update libaom to 0ec86ac7ae1e32a7e70410fa4972a655ec3670a4

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Roy Tam 2019-02-22 21:52:01 +08:00
commit eb361970c5
438 changed files with 52661 additions and 21905 deletions
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35
third_party/aom/aom_dsp/x86/bitdepth_conversion_sse2.h vendored Normal file
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/*
* 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 <xmmintrin.h>
#include "config/aom_config.h"
#include "aom/aom_integer.h"
#include "aom_dsp/aom_dsp_common.h"
// Load 8 16 bit values. If the source is 32 bits then pack down with
// saturation.
static INLINE __m128i load_tran_low(const tran_low_t *a) {
const __m128i a_low = _mm_load_si128((const __m128i *)a);
return _mm_packs_epi32(a_low, *(const __m128i *)(a + 4));
}
// Store 8 16 bit values. If the destination is 32 bits then sign extend the
// values by multiplying by 1.
static INLINE void store_tran_low(__m128i a, tran_low_t *b) {
const __m128i one = _mm_set1_epi16(1);
const __m128i a_hi = _mm_mulhi_epi16(a, one);
const __m128i a_lo = _mm_mullo_epi16(a, one);
const __m128i a_1 = _mm_unpacklo_epi16(a_lo, a_hi);
const __m128i a_2 = _mm_unpackhi_epi16(a_lo, a_hi);
_mm_store_si128((__m128i *)(b), a_1);
_mm_store_si128((__m128i *)(b + 4), a_2);
}