зеркало из https://github.com/mozilla/gecko-dev.git
30 строки
1.1 KiB
C
30 строки
1.1 KiB
C
/*
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* Copyright (c) 2016, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#ifndef AOM_AOM_DSP_X86_TXFM_COMMON_SSE2_H_
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#define AOM_AOM_DSP_X86_TXFM_COMMON_SSE2_H_
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#include <emmintrin.h>
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#include "aom/aom_integer.h"
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#include "aom_dsp/x86/synonyms.h"
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#define pair_set_epi16(a, b) \
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_mm_set1_epi32((int32_t)(((uint16_t)(a)) | (((uint32_t)(b)) << 16)))
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// Reverse the 8 16 bit words in __m128i
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static INLINE __m128i mm_reverse_epi16(const __m128i x) {
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const __m128i a = _mm_shufflelo_epi16(x, 0x1b);
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const __m128i b = _mm_shufflehi_epi16(a, 0x1b);
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return _mm_shuffle_epi32(b, 0x4e);
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}
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#endif // AOM_AOM_DSP_X86_TXFM_COMMON_SSE2_H_
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