text: /*
   * 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_DSP_X86_OBMC_INTRINSIC_SSSE3_H_
  #define AOM_DSP_X86_OBMC_INTRINSIC_SSSE3_H_
  
  #include <immintrin.h>
  
  #include "./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 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));
  }
  
  #endif  // AOM_DSP_X86_OBMC_INTRINSIC_SSSE3_H_
  