Line data    Source code

       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_DSP_X86_OBMC_INTRINSIC_SSSE3_H_
      13             : #define AOM_DSP_X86_OBMC_INTRINSIC_SSSE3_H_
      14             : 
      15             : #include <immintrin.h>
      16             : 
      17             : #include "./aom_config.h"
      18             : 
      19           0 : static INLINE int32_t xx_hsum_epi32_si32(__m128i v_d) {
      20           0 :   v_d = _mm_hadd_epi32(v_d, v_d);
      21           0 :   v_d = _mm_hadd_epi32(v_d, v_d);
      22           0 :   return _mm_cvtsi128_si32(v_d);
      23             : }
      24             : 
      25           0 : static INLINE int64_t xx_hsum_epi64_si64(__m128i v_q) {
      26           0 :   v_q = _mm_add_epi64(v_q, _mm_srli_si128(v_q, 8));
      27             : #if ARCH_X86_64
      28           0 :   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           0 : static INLINE int64_t xx_hsum_epi32_si64(__m128i v_d) {
      39           0 :   const __m128i v_sign_d = _mm_cmplt_epi32(v_d, _mm_setzero_si128());
      40           0 :   const __m128i v_0_q = _mm_unpacklo_epi32(v_d, v_sign_d);
      41           0 :   const __m128i v_1_q = _mm_unpackhi_epi32(v_d, v_sign_d);
      42           0 :   return xx_hsum_epi64_si64(_mm_add_epi64(v_0_q, v_1_q));
      43             : }
      44             : 
      45             : #endif  // AOM_DSP_X86_OBMC_INTRINSIC_SSSE3_H_