volk_16i_branch_4_state_8.h

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/* -*- c++ -*- */
/*
 * Copyright 2014 Free Software Foundation, Inc.
 *
 * This file is part of GNU Radio
 *
 * GNU Radio is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3, or (at your option)
 * any later version.
 *
 * GNU Radio is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GNU Radio; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

#ifndef INCLUDED_volk_16i_branch_4_state_8_a_H
#define INCLUDED_volk_16i_branch_4_state_8_a_H


#include<inttypes.h>
#include<stdio.h>




#ifdef LV_HAVE_SSSE3

#include<xmmintrin.h>
#include<emmintrin.h>
#include<tmmintrin.h>

static inline  void volk_16i_branch_4_state_8_a_ssse3(short* target,  short* src0, char** permuters, short* cntl2, short* cntl3, short* scalars) {


  __m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm8, xmm9, xmm10, xmm11;

  __m128i *p_target, *p_src0, *p_cntl2, *p_cntl3, *p_scalars;



  p_target = (__m128i*)target;
  p_src0 = (__m128i*)src0;
  p_cntl2 = (__m128i*)cntl2;
  p_cntl3 = (__m128i*)cntl3;
  p_scalars = (__m128i*)scalars;

  int i = 0;

  int bound = 1;


  xmm0 = _mm_load_si128(p_scalars);

  xmm1 = _mm_shufflelo_epi16(xmm0, 0);
  xmm2 = _mm_shufflelo_epi16(xmm0, 0x55);
  xmm3 = _mm_shufflelo_epi16(xmm0, 0xaa);
  xmm4 = _mm_shufflelo_epi16(xmm0, 0xff);

  xmm1 = _mm_shuffle_epi32(xmm1, 0x00);
  xmm2 = _mm_shuffle_epi32(xmm2, 0x00);
  xmm3 = _mm_shuffle_epi32(xmm3, 0x00);
  xmm4 = _mm_shuffle_epi32(xmm4, 0x00);

  xmm0 = _mm_load_si128((__m128i*)permuters[0]);
  xmm6 = _mm_load_si128((__m128i*)permuters[1]);
  xmm8 = _mm_load_si128((__m128i*)permuters[2]);
  xmm10 = _mm_load_si128((__m128i*)permuters[3]);

  for(; i < bound; ++i) {

    xmm5 = _mm_load_si128(p_src0);









    xmm0 = _mm_shuffle_epi8(xmm5, xmm0);
    xmm6 = _mm_shuffle_epi8(xmm5, xmm6);
    xmm8 = _mm_shuffle_epi8(xmm5, xmm8);
    xmm10 = _mm_shuffle_epi8(xmm5, xmm10);

    p_src0 += 4;


    xmm5 = _mm_add_epi16(xmm1, xmm2);

    xmm6 = _mm_add_epi16(xmm2, xmm6);
    xmm8 = _mm_add_epi16(xmm1, xmm8);


    xmm7 = _mm_load_si128(p_cntl2);
    xmm9 = _mm_load_si128(p_cntl3);

    xmm0 = _mm_add_epi16(xmm5, xmm0);


    xmm7 = _mm_and_si128(xmm7, xmm3);
    xmm9 = _mm_and_si128(xmm9, xmm4);

    xmm5 = _mm_load_si128(&p_cntl2[1]);
    xmm11 = _mm_load_si128(&p_cntl3[1]);

    xmm7 = _mm_add_epi16(xmm7, xmm9);

    xmm5 = _mm_and_si128(xmm5, xmm3);
    xmm11 = _mm_and_si128(xmm11, xmm4);

    xmm0 = _mm_add_epi16(xmm0, xmm7);



    xmm7 = _mm_load_si128(&p_cntl2[2]);
    xmm9 = _mm_load_si128(&p_cntl3[2]);

    xmm5 = _mm_add_epi16(xmm5, xmm11);

    xmm7 = _mm_and_si128(xmm7, xmm3);
    xmm9 = _mm_and_si128(xmm9, xmm4);

    xmm6 = _mm_add_epi16(xmm6, xmm5);


    xmm5 = _mm_load_si128(&p_cntl2[3]);
    xmm11 = _mm_load_si128(&p_cntl3[3]);

    xmm7 = _mm_add_epi16(xmm7, xmm9);

    xmm5 = _mm_and_si128(xmm5, xmm3);
    xmm11 = _mm_and_si128(xmm11, xmm4);

    xmm8 = _mm_add_epi16(xmm8, xmm7);

    xmm5 = _mm_add_epi16(xmm5, xmm11);

    _mm_store_si128(p_target, xmm0);
    _mm_store_si128(&p_target[1], xmm6);

    xmm10 = _mm_add_epi16(xmm5, xmm10);

    _mm_store_si128(&p_target[2], xmm8);

    _mm_store_si128(&p_target[3], xmm10);

    p_target += 3;
  }
}


#endif /*LV_HAVE_SSEs*/

#ifdef LV_HAVE_GENERIC
static inline  void volk_16i_branch_4_state_8_generic(short* target,  short* src0, char** permuters, short* cntl2, short* cntl3, short* scalars) {
        int i = 0;

        int bound = 4;

        for(; i < bound; ++i) {
          target[i* 8] = src0[((char)permuters[i][0])/2]
            + ((i + 1)%2  * scalars[0])
            + (((i >> 1)^1) * scalars[1])
            + (cntl2[i * 8] & scalars[2])
            + (cntl3[i * 8] & scalars[3]);
          target[i* 8 + 1] = src0[((char)permuters[i][1 * 2])/2]
            + ((i + 1)%2  * scalars[0])
            + (((i >> 1)^1) * scalars[1])
            + (cntl2[i * 8 + 1] & scalars[2])
            + (cntl3[i * 8 + 1] & scalars[3]);
          target[i* 8 + 2] = src0[((char)permuters[i][2 * 2])/2]
            + ((i + 1)%2  * scalars[0])
            + (((i >> 1)^1) * scalars[1])
            + (cntl2[i * 8 + 2] & scalars[2])
            + (cntl3[i * 8 + 2] & scalars[3]);
          target[i* 8 + 3] = src0[((char)permuters[i][3 * 2])/2]
            + ((i + 1)%2  * scalars[0])
            + (((i >> 1)^1) * scalars[1])
            + (cntl2[i * 8 + 3] & scalars[2])
            + (cntl3[i * 8 + 3] & scalars[3]);
          target[i* 8 + 4] = src0[((char)permuters[i][4 * 2])/2]
            + ((i + 1)%2  * scalars[0])
            + (((i >> 1)^1) * scalars[1])
            + (cntl2[i * 8 + 4] & scalars[2])
            + (cntl3[i * 8 + 4] & scalars[3]);
          target[i* 8 + 5] = src0[((char)permuters[i][5 * 2])/2]
            + ((i + 1)%2  * scalars[0])
            + (((i >> 1)^1) * scalars[1])
            + (cntl2[i * 8 + 5] & scalars[2])
            + (cntl3[i * 8 + 5] & scalars[3]);
          target[i* 8 + 6] = src0[((char)permuters[i][6 * 2])/2]
            + ((i + 1)%2  * scalars[0])
            + (((i >> 1)^1) * scalars[1])
            + (cntl2[i * 8 + 6] & scalars[2])
            + (cntl3[i * 8 + 6] & scalars[3]);
          target[i* 8 + 7] = src0[((char)permuters[i][7 * 2])/2]
            + ((i + 1)%2  * scalars[0])
            + (((i >> 1)^1) * scalars[1])
            + (cntl2[i * 8 + 7] & scalars[2])
            + (cntl3[i * 8 + 7] & scalars[3]);

        }
}

#endif /*LV_HAVE_GENERIC*/


#endif /*INCLUDED_volk_16i_branch_4_state_8_a_H*/