1 /*
2 * Copyright (c) 2020, 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_INTRAPRED_X86_H_
13 #define AOM_AOM_DSP_X86_INTRAPRED_X86_H_
14
15 #include <emmintrin.h> // SSE2
16 #include "aom/aom_integer.h"
17 #include "config/aom_config.h"
18
dc_sum_16_sse2(const uint8_t * ref)19 static inline __m128i dc_sum_16_sse2(const uint8_t *ref) {
20 __m128i x = _mm_load_si128((__m128i const *)ref);
21 const __m128i zero = _mm_setzero_si128();
22 x = _mm_sad_epu8(x, zero);
23 const __m128i high = _mm_unpackhi_epi64(x, x);
24 return _mm_add_epi16(x, high);
25 }
26
dc_sum_32_sse2(const uint8_t * ref)27 static inline __m128i dc_sum_32_sse2(const uint8_t *ref) {
28 __m128i x0 = _mm_load_si128((__m128i const *)ref);
29 __m128i x1 = _mm_load_si128((__m128i const *)(ref + 16));
30 const __m128i zero = _mm_setzero_si128();
31 x0 = _mm_sad_epu8(x0, zero);
32 x1 = _mm_sad_epu8(x1, zero);
33 x0 = _mm_add_epi16(x0, x1);
34 const __m128i high = _mm_unpackhi_epi64(x0, x0);
35 return _mm_add_epi16(x0, high);
36 }
37
38 #endif // AOM_AOM_DSP_X86_INTRAPRED_X86_H_
39