1 /*
2 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
3 *
4 * This source code is subject to the terms of the BSD 2 Clause License and
5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6 * was not distributed with this source code in the LICENSE file, you can
7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8 * Media Patent License 1.0 was not distributed with this source code in the
9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10 */
11
12 #ifndef AOM_AOM_DSP_X86_TXFM_COMMON_SSE2_H_
13 #define AOM_AOM_DSP_X86_TXFM_COMMON_SSE2_H_
14
15 #include <emmintrin.h>
16 #include "aom/aom_integer.h"
17 #include "aom_dsp/x86/synonyms.h"
18
19 #define pair_set_epi16(a, b) \
20 _mm_set1_epi32((int32_t)(((uint16_t)(a)) | (((uint32_t)(b)) << 16)))
21
22 // Reverse the 8 16 bit words in __m128i
mm_reverse_epi16(const __m128i x)23 static INLINE __m128i mm_reverse_epi16(const __m128i x) {
24 const __m128i a = _mm_shufflelo_epi16(x, 0x1b);
25 const __m128i b = _mm_shufflehi_epi16(a, 0x1b);
26 return _mm_shuffle_epi32(b, 0x4e);
27 }
28
29 #define octa_set_epi16(a, b, c, d, e, f, g, h) \
30 _mm_setr_epi16((int16_t)(a), (int16_t)(b), (int16_t)(c), (int16_t)(d), \
31 (int16_t)(e), (int16_t)(f), (int16_t)(g), (int16_t)(h))
32
33 #endif // AOM_AOM_DSP_X86_TXFM_COMMON_SSE2_H_
34