obmc_intrinsic_ssse3.h (1846B)
1 /* 2 * Copyright (c) 2017, 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_OBMC_INTRINSIC_SSSE3_H_ 13 #define AOM_AOM_DSP_X86_OBMC_INTRINSIC_SSSE3_H_ 14 15 #include <immintrin.h> 16 17 #include "config/aom_config.h" 18 19 static inline int32_t xx_hsum_epi32_si32(__m128i v_d) { 20 v_d = _mm_hadd_epi32(v_d, v_d); 21 v_d = _mm_hadd_epi32(v_d, v_d); 22 return _mm_cvtsi128_si32(v_d); 23 } 24 25 static inline int64_t xx_hsum_epi64_si64(__m128i v_q) { 26 v_q = _mm_add_epi64(v_q, _mm_srli_si128(v_q, 8)); 27 #if AOM_ARCH_X86_64 28 return _mm_cvtsi128_si64(v_q); 29 #else 30 { 31 int64_t tmp; 32 _mm_storel_epi64((__m128i *)&tmp, v_q); 33 return tmp; 34 } 35 #endif 36 } 37 38 static inline int64_t xx_hsum_epi32_si64(__m128i v_d) { 39 const __m128i v_sign_d = _mm_cmplt_epi32(v_d, _mm_setzero_si128()); 40 const __m128i v_0_q = _mm_unpacklo_epi32(v_d, v_sign_d); 41 const __m128i v_1_q = _mm_unpackhi_epi32(v_d, v_sign_d); 42 return xx_hsum_epi64_si64(_mm_add_epi64(v_0_q, v_1_q)); 43 } 44 45 // This is equivalent to ROUND_POWER_OF_TWO_SIGNED(v_val_d, bits) 46 static inline __m128i xx_roundn_epi32(__m128i v_val_d, int bits) { 47 const __m128i v_bias_d = _mm_set1_epi32((1 << bits) >> 1); 48 const __m128i v_sign_d = _mm_srai_epi32(v_val_d, 31); 49 const __m128i v_tmp_d = 50 _mm_add_epi32(_mm_add_epi32(v_val_d, v_bias_d), v_sign_d); 51 return _mm_srai_epi32(v_tmp_d, bits); 52 } 53 54 #endif // AOM_AOM_DSP_X86_OBMC_INTRINSIC_SSSE3_H_