| /* |
| * Copyright (c) 2020, 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. |
| */ |
| |
| #ifndef AOM_AOM_DSP_X86_INTRAPRED_X86_H_ |
| #define AOM_AOM_DSP_X86_INTRAPRED_X86_H_ |
| |
| #include <emmintrin.h> // SSE2 |
| #include "aom/aom_integer.h" |
| #include "config/aom_config.h" |
| |
| static inline __m128i dc_sum_16_sse2(const uint8_t *ref) { |
| __m128i x = _mm_load_si128((__m128i const *)ref); |
| const __m128i zero = _mm_setzero_si128(); |
| x = _mm_sad_epu8(x, zero); |
| const __m128i high = _mm_unpackhi_epi64(x, x); |
| return _mm_add_epi16(x, high); |
| } |
| |
| static inline __m128i dc_sum_32_sse2(const uint8_t *ref) { |
| __m128i x0 = _mm_load_si128((__m128i const *)ref); |
| __m128i x1 = _mm_load_si128((__m128i const *)(ref + 16)); |
| const __m128i zero = _mm_setzero_si128(); |
| x0 = _mm_sad_epu8(x0, zero); |
| x1 = _mm_sad_epu8(x1, zero); |
| x0 = _mm_add_epi16(x0, x1); |
| const __m128i high = _mm_unpackhi_epi64(x0, x0); |
| return _mm_add_epi16(x0, high); |
| } |
| |
| #endif // AOM_AOM_DSP_X86_INTRAPRED_X86_H_ |