| /* |
| * Copyright (c) 2017, 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_OBMC_INTRINSIC_SSSE3_H_ |
| #define AOM_AOM_DSP_X86_OBMC_INTRINSIC_SSSE3_H_ |
| |
| #include <immintrin.h> |
| |
| #include "config/aom_config.h" |
| |
| static inline int32_t xx_hsum_epi32_si32(__m128i v_d) { |
| v_d = _mm_hadd_epi32(v_d, v_d); |
| v_d = _mm_hadd_epi32(v_d, v_d); |
| return _mm_cvtsi128_si32(v_d); |
| } |
| |
| static inline int64_t xx_hsum_epi64_si64(__m128i v_q) { |
| v_q = _mm_add_epi64(v_q, _mm_srli_si128(v_q, 8)); |
| #if AOM_ARCH_X86_64 |
| return _mm_cvtsi128_si64(v_q); |
| #else |
| { |
| int64_t tmp; |
| _mm_storel_epi64((__m128i *)&tmp, v_q); |
| return tmp; |
| } |
| #endif |
| } |
| |
| static inline int64_t xx_hsum_epi32_si64(__m128i v_d) { |
| const __m128i v_sign_d = _mm_cmplt_epi32(v_d, _mm_setzero_si128()); |
| const __m128i v_0_q = _mm_unpacklo_epi32(v_d, v_sign_d); |
| const __m128i v_1_q = _mm_unpackhi_epi32(v_d, v_sign_d); |
| return xx_hsum_epi64_si64(_mm_add_epi64(v_0_q, v_1_q)); |
| } |
| |
| // This is equivalent to ROUND_POWER_OF_TWO_SIGNED(v_val_d, bits) |
| static inline __m128i xx_roundn_epi32(__m128i v_val_d, int bits) { |
| const __m128i v_bias_d = _mm_set1_epi32((1 << bits) >> 1); |
| const __m128i v_sign_d = _mm_srai_epi32(v_val_d, 31); |
| const __m128i v_tmp_d = |
| _mm_add_epi32(_mm_add_epi32(v_val_d, v_bias_d), v_sign_d); |
| return _mm_srai_epi32(v_tmp_d, bits); |
| } |
| |
| #endif // AOM_AOM_DSP_X86_OBMC_INTRINSIC_SSSE3_H_ |