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/**

 * \file

 * \brief Implementation of quantization functions

 */

//#define USE_AVX2

// ====================================================================================================================

// Includes

// ====================================================================================================================

#pragma once

#include "CommonDefX86.h"

#include "Rom.h"

#include "QuantRDOQ2.h"

#if defined(TARGET_SIMD_X86)  && ENABLE_SIMD_OPT_QUANT

//! \ingroup CommonLib

//! \{

namespace vvenc {

#define cond_mm_prefetch(a,b) _mm_prefetch(a,b)

//#define cond_mm_prefetch(a,b)

static constexpr unsigned short levmask[16] = {0xffff,0xffff,0xffff,0xffff,0xffff,0xffff,0xffff,0xffff,0,0,0,0,0,0,0,0};

template<X86_VEXT vext>

static void DeQuantCoreSIMD(const int maxX,const int maxY,const int scale,const TCoeffSig *const piQCoef,const size_t piQCfStride,TCoeff *const piCoef,const int rightShift,const int inputMaximum,const TCoeff transformMaximum)

{

  // TODO: TCoeffSig!!!

  const int inputMinimum = -(inputMaximum+1);

  const TCoeff transformMinimum = -(transformMaximum+1);

  const int width = maxX+1;

  __m128i vlevmask;

  if (maxX<7)

    vlevmask = _mm_loadu_si128( ( __m128i const * )&levmask[7-maxX] );

  else

    vlevmask = _mm_set_epi64x(0xffffffffffffffff,0xffffffffffffffff);

  if (rightShift>0)

  {

    const Intermediate_Int iAdd = (Intermediate_Int) 1 << (rightShift - 1);

    __m128i v_max =  _mm_set1_epi16 ((short)inputMaximum);

    __m128i v_min =  _mm_set1_epi16 ((short)inputMinimum);

    __m128i v_Tmax =  _mm_set1_epi32 ((short)transformMaximum);

    __m128i v_Tmin =  _mm_set1_epi32 ((short)transformMinimum);

    __m128i v_scale = _mm_set1_epi16 ((short)scale);

    __m128i v_add = _mm_set1_epi32 (iAdd);

    __m128i v_rshift = _mm_set1_epi64x (rightShift);

    if (maxX<4)

    {

      for( int y = 0; y <= maxY; y++)

      {

        __m128i v_level = maxX == 1 ? _mm_set1_epi32( *( ( int const* ) & piQCoef[y * piQCfStride] ) ) : _vv_loadl_epi64( ( __m128i const* ) &piQCoef[y * piQCfStride] );

        v_level = _mm_and_si128(v_level,vlevmask);

        v_level = _mm_max_epi16 (v_level, v_min);

        v_level = _mm_min_epi16 (v_level, v_max);

        __m128i v_low = _mm_mullo_epi16(v_level,v_scale);

        __m128i v_high = _mm_mulhi_epi16(v_level,v_scale);

        v_level = _mm_unpacklo_epi16(v_low,v_high);

        v_level =  _mm_add_epi32(v_level,v_add);

        v_level = _mm_sra_epi32(v_level,v_rshift);

        v_level = _mm_max_epi32 (v_level, v_Tmin);

        v_level = _mm_min_epi32 (v_level, v_Tmax);

        if( maxX == 1 )

          _vv_storel_epi64( (__m128i*)(piCoef + y * width), v_level );

        else

          _mm_storeu_si128( (__m128i*)(piCoef + y * width), v_level );

      }

    }

    else

    {

      for( int y = 0; y <= maxY; y++)

      {

        for( int x = 0; x <= maxX; x+=8)

        {

          __m128i v_level = _mm_loadu_si128( ( __m128i const* ) &piQCoef[x + y * piQCfStride] );

          v_level = _mm_and_si128(v_level,vlevmask);

          v_level = _mm_max_epi16 (v_level, v_min);

          v_level = _mm_min_epi16 (v_level, v_max);

          __m128i v_low = _mm_mullo_epi16(v_level,v_scale);

          __m128i v_high = _mm_mulhi_epi16(v_level,v_scale);

          v_level = _mm_unpacklo_epi16(v_low,v_high);

          v_level =  _mm_add_epi32(v_level,v_add);

          v_level = _mm_sra_epi32(v_level,v_rshift);

          v_level = _mm_max_epi32 (v_level, v_Tmin);

          v_level = _mm_min_epi32 (v_level, v_Tmax);

          _mm_storeu_si128(( __m128i * )(piCoef+x+y*width ), v_level );

          v_level = _mm_unpackhi_epi16(v_low,v_high);

          v_level =  _mm_add_epi32(v_level,v_add);

          v_level = _mm_sra_epi32(v_level,v_rshift);

          v_level = _mm_max_epi32 (v_level, v_Tmin);

          v_level = _mm_min_epi32 (v_level, v_Tmax);

          _mm_storeu_si128(( __m128i * )(piCoef+4+x+y*width ), v_level );

        }

      }

    }

  }

  else  // rightshift <0

  {

    __m128i v_max =  _mm_set1_epi16 ((short)inputMaximum);

    __m128i v_min =  _mm_set1_epi16 ((short)inputMinimum);

    __m128i v_Tmax =  _mm_set1_epi32 ((short)transformMaximum);

    __m128i v_Tmin =  _mm_set1_epi32 ((short)transformMinimum);

    __m128i v_scale = _mm_set1_epi16 ((short)scale);

    __m128i v_lshift = _mm_set1_epi64x (-rightShift);

    if (maxX<4)

    {

      for( int y = 0; y <= maxY; y++)

      {

        __m128i v_level = maxX == 1 ? _mm_set1_epi32( *( ( int const* ) & piQCoef[y * piQCfStride] ) ) : _vv_loadl_epi64( ( __m128i const* ) &piQCoef[y * piQCfStride] );

        v_level = _mm_and_si128(v_level,vlevmask);

        v_level = _mm_max_epi16 (v_level, v_min);

        v_level = _mm_min_epi16 (v_level, v_max);

        __m128i v_low = _mm_mullo_epi16(v_level,v_scale);

        __m128i v_high = _mm_mulhi_epi16(v_level,v_scale);

        v_level = _mm_unpacklo_epi16(v_low,v_high);

        v_level = _mm_sll_epi32(v_level,v_lshift);

        v_level = _mm_max_epi32 (v_level, v_Tmin);

        v_level = _mm_min_epi32 (v_level, v_Tmax);

        if( maxX == 1 )

        {

          _vv_storel_epi64( (__m128i*)(piCoef + y * width), v_level );

        }

        else

          _mm_storeu_si128(( __m128i * )(piCoef+y*width ), v_level );

      }

    }

    else

    {

      for( int y = 0; y <= maxY; y++)

      {

        for( int x = 0; x <= maxX; x+=8)

        {

          __m128i v_level = _mm_loadu_si128( ( __m128i const* ) &piQCoef[x + y * piQCfStride] );

          v_level = _mm_and_si128(v_level,vlevmask);

          v_level = _mm_max_epi16 (v_level, v_min);

          v_level = _mm_min_epi16 (v_level, v_max);

          __m128i v_low = _mm_mullo_epi16(v_level,v_scale);

          __m128i v_high = _mm_mulhi_epi16(v_level,v_scale);

          v_level = _mm_unpacklo_epi16(v_low,v_high);

          v_level = _mm_sll_epi32(v_level,v_lshift);

          v_level = _mm_max_epi32 (v_level, v_Tmin);

          v_level = _mm_min_epi32 (v_level, v_Tmax);

          _mm_storeu_si128(( __m128i * )(piCoef+x+y*width ), v_level );

          v_level = _mm_unpackhi_epi16(v_low,v_high);

          v_level = _mm_sll_epi32(v_level,v_lshift);

          v_level = _mm_max_epi32 (v_level, v_Tmin);

          v_level = _mm_min_epi32 (v_level, v_Tmax);

          _mm_storeu_si128(( __m128i * )(piCoef+4+x+y*width ), v_level );

        }

      }

    }

  }

}

Unexecuted instantiation: Quant_sse41.cpp:void vvenc::DeQuantCoreSIMD<(vvenc::x86_simd::X86_VEXT)1>(int, int, int, short const*, unsigned long, int*, int, int, int)

Unexecuted instantiation: Quant_avx2.cpp:void vvenc::DeQuantCoreSIMD<(vvenc::x86_simd::X86_VEXT)4>(int, int, int, short const*, unsigned long, int*, int, int, int)

template<X86_VEXT vext>

static void QuantCoreSIMD(const TransformUnit tu, const ComponentID compID, const CCoeffBuf& piCoef,CoeffSigBuf piQCoef,TCoeff &uiAbsSum, int &lastScanPos,TCoeff *deltaU,const int defaultQuantisationCoefficient,const int iQBits,const int64_t iAdd,const TCoeff entropyCodingMinimum,const TCoeff entropyCodingMaximum,const bool signHiding, const TCoeff m_thrVal)

{

  CoeffCodingContext cctx( tu, compID, signHiding );

  const CompArea &rect      = tu.blocks[compID];

  const uint32_t uiWidth    = rect.width;

  const uint32_t uiHeight   = rect.height;

  const uint32_t log2CGSize = cctx.log2CGSize();

  uiAbsSum = 0;

  const int iCGSize   = 1 << log2CGSize;

  const uint32_t lfnstIdx = tu.cu->lfnstIdx;

  const int iCGNum   = lfnstIdx > 0 ? 1 : std::min<int>(JVET_C0024_ZERO_OUT_TH, uiWidth) * std::min<int>(JVET_C0024_ZERO_OUT_TH, uiHeight) >> cctx.log2CGSize();

  int       iScanPos = ( iCGNum << log2CGSize ) - 1;

  if( lfnstIdx > 0 && ( ( uiWidth == 4 && uiHeight == 4 ) || ( uiWidth == 8 && uiHeight == 8 ) ) )

  {

    iScanPos = 7;

  }

  // Find first non-zero coeff

  for( ; iScanPos > 0; iScanPos-- )

  {

    uint32_t uiBlkPos = cctx.blockPos( iScanPos );

    if( piCoef.buf[uiBlkPos] )

      break;

  }

  //////////////////////////////////////////////////////////////////////////

  //  Loop over sub-sets (coefficient groups)

  //////////////////////////////////////////////////////////////////////////

  TCoeff thres = 0, useThres = 0;

  if( iQBits )

    thres = TCoeff( ( int64_t( m_thrVal ) << ( iQBits - 1 ) ) );

  else

    thres = TCoeff( ( int64_t( m_thrVal >> 1 ) << iQBits ) );

  useThres = thres / ( defaultQuantisationCoefficient << 2 );

  const bool is4x4sbb = log2CGSize == 4 && cctx.log2CGWidth() == 2;

  int subSetId = iScanPos >> log2CGSize;

  // if more than one 4x4 coding subblock is available, use SIMD to find first subblock with coefficient larger than threshold

  if( is4x4sbb && iScanPos >= 16 )

  {

    for( ; subSetId >= 1; subSetId-- )

    {

      // move the pointer to the beginning of the current subblock

      const int iScanPosinCG = iScanPos & ( iCGSize - 1 );

      const int firstTestPos = iScanPos - iScanPosinCG;

      uint32_t  uiBlkPos     = cctx.blockPos( firstTestPos );

      const __m128i xdfTh = _mm_set1_epi32( useThres );

      // read first line of the subblock and check for coefficients larger than the threshold

      // assumming the subblocks are dense 4x4 blocks in raster scan order with the stride of tuPars.m_width

      __m128i xl0 = _mm_abs_epi32( _mm_loadu_si128( ( const __m128i* ) &piCoef.buf[uiBlkPos] ) );

      __m128i xdf = _mm_cmpgt_epi32( xl0, xdfTh );

      // same for the next line in the subblock

      uiBlkPos += uiWidth;

      xl0 = _mm_abs_epi32( _mm_loadu_si128( ( const __m128i* ) &piCoef.buf[uiBlkPos] ) );

      xdf = _mm_or_si128( xdf, _mm_cmpgt_epi32( xl0, xdfTh ) );

      // and the third line

      uiBlkPos += uiWidth;

      xl0 = _mm_abs_epi32( _mm_loadu_si128( ( const __m128i* ) &piCoef.buf[uiBlkPos] ) );

      xdf = _mm_or_si128( xdf, _mm_cmpgt_epi32( xl0, xdfTh ) );

      // and the last line

      uiBlkPos += uiWidth;

      xl0 = _mm_abs_epi32( _mm_loadu_si128( ( const __m128i* ) &piCoef.buf[uiBlkPos] ) );

      xdf = _mm_or_si128( xdf, _mm_cmpgt_epi32( xl0, xdfTh ) );

      if( _mm_testz_si128( xdf, xdf ) )

      {

        iScanPos -= iScanPosinCG + 1;

        continue;

      }

      else

      {

        break;

      }

    }

  }

  const int qBits8 = iQBits - 8;

  piQCoef.memset( 0 );

  lastScanPos = iScanPos;

  if( is4x4sbb && ( iScanPos & 15 ) == 15 )

  {

#if defined( USE_AVX2 ) && 0 // sometimes has undefined behavior

    if( vext >= AVX2 )

    {

      const __m256i vNull   = _mm256_setzero_si256();

      const __m256i vQuantCoeff = _mm256_set1_epi32(defaultQuantisationCoefficient);

      const __m256i vAdd    = _mm256_set1_epi64x(iAdd);

      const __m256i vMax    = _mm256_set1_epi32(entropyCodingMaximum);

      const __m256i vMin    = _mm256_set1_epi32(entropyCodingMinimum);

      const __m256i vMask   = _mm256_set_epi32( 0, -1, 0, -1, 0, -1, 0, -1 );

      __m256i vAbsSum = vNull;

      for( subSetId = iScanPos >> log2CGSize; subSetId >= 0; subSetId-- )

      {

        int uiBlockPos = cctx.blockPos( subSetId << log2CGSize );

        for( int line = 0; line < 4; line += 2, uiBlockPos += ( 2 * uiWidth ) )

        {

          __m256i  vLevel = _mm256_castsi128_si256 (         _mm_loadu_si128((__m128i *)&piCoef.buf[uiBlockPos]           )    ); // coeff7,coeff6,coeff5,coeff4,coeff3,coeff2,coeff1,coeff0,

                   vLevel = _mm256_inserti128_si256( vLevel, _mm_loadu_si128((__m128i *)&piCoef.buf[uiBlockPos + uiWidth] ), 1 ); // coeff7,coeff6,coeff5,coeff4,coeff3,coeff2,coeff1,coeff0,

          __m256i vSign = _mm256_cmpgt_epi32 (vNull,vLevel);                            // sign3,sign2,sign1,sign0 FFFF or 0000

          vLevel = _mm256_abs_epi32 (vLevel);

          __m256i vdeltaU0 = _mm256_mul_epu32(vLevel,vQuantCoeff);                      // Tmp2,Tmp0

          __m256i  vdeltaU1 = _mm256_srli_si256(vLevel,4);                              // abs(0,vLevel3,vLevel2,vLevel1)

          vdeltaU1 = _mm256_mul_epu32(vdeltaU1,vQuantCoeff);                            // Tmp3,Tmp1

          __m256i vTmpLevel_0 = _mm256_add_epi64(vdeltaU0,vAdd);

          __m256i vTmpLevel_1 = _mm256_add_epi64(vdeltaU1,vAdd);

          const __m128i vQBits = _mm_cvtsi32_si128(iQBits)

          vTmpLevel_0 = _mm256_srl_epi64(vTmpLevel_0,vQBits);                          // Int32 Tmp2,Tmp0

          vTmpLevel_1 = _mm256_srl_epi64(vTmpLevel_1,vQBits);                          // Int32 Tmp3,Tmp1

          if (signHiding)

          {

            __m256i vBS0 = _mm256_sll_epi64(vTmpLevel_0,vQBits);

            __m256i vBS1 = _mm256_sll_epi64(vTmpLevel_1,vQBits);

            vdeltaU0 = _mm256_sub_epi64(vdeltaU0,vBS0);

            vdeltaU1 = _mm256_sub_epi64(vdeltaU1,vBS1);

            const __m128i vQBits8 = _mm_cvtsi32_si128(qBits8)

            vdeltaU0 = _mm256_srl_epi64(vdeltaU0,vQBits8);

            vdeltaU1 = _mm256_srl_epi64(vdeltaU1,vQBits8);

            vdeltaU0 = _mm256_and_si256(vdeltaU0,vMask);

            vdeltaU1 = _mm256_and_si256(vdeltaU1,vMask);

            vdeltaU1 = _mm256_slli_epi64(vdeltaU1,32);

            vdeltaU0 = _mm256_or_si256(vdeltaU0,vdeltaU1);

            _mm_storeu_si128( ( __m128i * )&deltaU[uiBlockPos],          _mm256_castsi256_si128  (vdeltaU0));

            _mm_storeu_si128( ( __m128i * )&deltaU[uiBlockPos + uiWidth],_mm256_extracti128_si256(vdeltaU0, 1));

          }

          __m256i vquantMag0 = _mm256_and_si256(vTmpLevel_0,vMask);

          __m256i vquantMag1 = _mm256_and_si256(vTmpLevel_1,vMask);

          vquantMag1  = _mm256_slli_epi64(vquantMag1,32);

          vTmpLevel_0 = _mm256_or_si256(vquantMag0,vquantMag1);

          vAbsSum     = _mm256_add_epi32(vAbsSum,vTmpLevel_0);

          vTmpLevel_1 = _mm256_and_si256(vTmpLevel_0,vSign);                            // mask only neg values

          vTmpLevel_0 = _mm256_andnot_si256(vSign,vTmpLevel_0);                         // mask only pos values

          vTmpLevel_0 = _mm256_sub_epi32(vTmpLevel_0,vTmpLevel_1);

          vTmpLevel_0 = _mm256_min_epi32(vMax, _mm256_max_epi32(vMin,vTmpLevel_0));     // clip to 16 Bit

          vTmpLevel_0 = _mm256_packs_epi32(vTmpLevel_0,vTmpLevel_0);

          _vv_storel_epi64( ( __m128i * )&piQCoef.buf[uiBlockPos],          _mm256_castsi256_si128  (vTmpLevel_0));

          _vv_storel_epi64( ( __m128i * )&piQCoef.buf[uiBlockPos + uiWidth],_mm256_extracti128_si256(vTmpLevel_0, 1));

        }

      }

      __m128i xAbsSum = _mm_add_epi32( _mm256_castsi256_si128( vAbsSum ), _mm256_extracti128_si256( vAbsSum, 1 ) );

      xAbsSum = _mm_hadd_epi32( xAbsSum, xAbsSum );

      xAbsSum = _mm_hadd_epi32( xAbsSum, xAbsSum );

      uiAbsSum += _mm_cvtsi128_si32( xAbsSum );

    }  //AVX2

    else

#endif

    {

      const __m128i vNull = _mm_setzero_si128();

      const __m128i vQuantCoeff = _mm_set1_epi32(defaultQuantisationCoefficient);

      const __m128i vAdd  = _mm_set1_epi64x(iAdd);

      const __m128i vMin  = _mm_set1_epi32(entropyCodingMinimum);

      const __m128i vMax  = _mm_set1_epi32(entropyCodingMaximum);

      const __m128i vMask = _mm_set_epi32(0, -1, 0, -1);

      __m128i vAbsSum = vNull;

      for( subSetId = iScanPos >> log2CGSize; subSetId >= 0; subSetId-- )

      {

        int uiBlockPos = cctx.blockPos( subSetId << log2CGSize );

        for( int line = 0; line < 4; line++, uiBlockPos += uiWidth )

        {

          __m128i vLevel = _mm_loadu_si128((__m128i*)&piCoef.buf[uiBlockPos]);      // coeff3,coeff2,coeff1,coeff0,

          __m128i vSign = _mm_cmpgt_epi32 (vNull,vLevel);                           // sign3,sign2,sign1,sign0 FFFF or 0000

          vLevel = _mm_abs_epi32 (vLevel);                                          // abs(vLevel3,vLevel2,vLevel1,vLevel0)

          __m128i vdeltaU0 = _mm_mul_epu32(vLevel,vQuantCoeff);                     // Tmp2,Tmp0

          __m128i vdeltaU1 = _mm_srli_si128(vLevel,4);                             // abs(0,vLevel3,vLevel2,vLevel1)

          vdeltaU1 = _mm_mul_epu32(vdeltaU1,vQuantCoeff);                           // Tmp3,Tmp1

          __m128i vTmpLevel_0 = _mm_add_epi64(vdeltaU0,vAdd);

          __m128i vTmpLevel_1 = _mm_add_epi64(vdeltaU1,vAdd);

          const __m128i vQBits = _mm_cvtsi32_si128(iQBits);

          vTmpLevel_0 = _mm_srl_epi64(vTmpLevel_0,vQBits);                         // Int32 Tmp2,Tmp0

          vTmpLevel_1 = _mm_srl_epi64(vTmpLevel_1,vQBits);                         // Int32 Tmp3,Tmp1

          if (signHiding)

          {

            __m128i vBS0 = _mm_sll_epi64(vTmpLevel_0,vQBits);

            __m128i vBS1 = _mm_sll_epi64(vTmpLevel_1,vQBits);

            vdeltaU0 = _mm_sub_epi64(vdeltaU0,vBS0);

            vdeltaU1 = _mm_sub_epi64(vdeltaU1,vBS1);

            const __m128i vQBits8 = _mm_cvtsi32_si128(qBits8);

            vdeltaU0 = _mm_srl_epi64(vdeltaU0,vQBits8);

            vdeltaU1 = _mm_srl_epi64(vdeltaU1,vQBits8);

            vdeltaU0 = _mm_and_si128(vdeltaU0,vMask);

            vdeltaU1 = _mm_and_si128(vdeltaU1,vMask);

            vdeltaU1 = _mm_slli_epi64(vdeltaU1,32);

            vdeltaU0 = _mm_or_si128(vdeltaU0,vdeltaU1);

           _mm_storeu_si128( ( __m128i * ) &deltaU[uiBlockPos],vdeltaU0);

          }

          __m128i vquantMag0 =  _mm_and_si128(vTmpLevel_0,vMask);

          __m128i vquantMag1 =  _mm_and_si128(vTmpLevel_1,vMask);

          vquantMag1  = _mm_slli_epi64(vquantMag1,32);

          vTmpLevel_0 = _mm_or_si128(vquantMag0,vquantMag1);

          vAbsSum     = _mm_add_epi32(vAbsSum,vTmpLevel_0);

          vTmpLevel_1 = _mm_and_si128(vTmpLevel_0,vSign);                           // mask only neg values

          vTmpLevel_0 = _mm_andnot_si128(vSign,vTmpLevel_0);                        // mask only pos values

          vTmpLevel_0 = _mm_sub_epi32(vTmpLevel_0,vTmpLevel_1);

          vTmpLevel_0 = _mm_min_epi32(vMax, _mm_max_epi32(vMin,vTmpLevel_0));       // clip to 16 Bit

          vTmpLevel_0 = _mm_packs_epi32(vTmpLevel_0,vTmpLevel_0);

          _vv_storel_epi64( ( __m128i * ) &piQCoef.buf[uiBlockPos],vTmpLevel_0);

        }

      }

      vAbsSum = _mm_hadd_epi32( vAbsSum, vAbsSum );

      vAbsSum = _mm_hadd_epi32( vAbsSum, vAbsSum );

      uiAbsSum += _mm_cvtsi128_si32( vAbsSum );

    }

  }

  else

  {

    for( int currPos = 0; currPos <= iScanPos; currPos++ )

    {

      const int uiBlockPos  = cctx.blockPos( currPos );

      const TCoeff iLevel   = piCoef.buf[uiBlockPos];

      const TCoeff iSign    = (iLevel < 0 ? -1: 1);

      const int64_t  tmpLevel = (int64_t)abs(iLevel) * defaultQuantisationCoefficient;

      const TCoeff quantisedMagnitude = TCoeff((tmpLevel + iAdd ) >> iQBits);

      if (signHiding)

      {

        deltaU[uiBlockPos] = (TCoeff)((tmpLevel - ((int64_t)quantisedMagnitude<<iQBits) )>> qBits8);

      }

      uiAbsSum += quantisedMagnitude;

      const TCoeff quantisedCoefficient = quantisedMagnitude * iSign;

      piQCoef.buf[uiBlockPos] = Clip3<TCoeff>( entropyCodingMinimum, entropyCodingMaximum, quantisedCoefficient );

    } // for n

  }

}

Unexecuted instantiation: Quant_sse41.cpp:void vvenc::QuantCoreSIMD<(vvenc::x86_simd::X86_VEXT)1>(vvenc::TransformUnit, vvenc::ComponentID, vvenc::AreaBuf<int const> const&, vvenc::AreaBuf<short>, int&, int&, int*, int, int, long, int, int, bool, int)

Unexecuted instantiation: Quant_avx2.cpp:void vvenc::QuantCoreSIMD<(vvenc::x86_simd::X86_VEXT)4>(vvenc::TransformUnit, vvenc::ComponentID, vvenc::AreaBuf<int const> const&, vvenc::AreaBuf<short>, int&, int&, int*, int, int, long, int, int, bool, int)

template<X86_VEXT vext>

static bool NeedRdoqSIMD( const TCoeff* pCoeff, size_t numCoeff, int quantCoeff, int64_t offset, int shift )

{

  const __m128i vshift = _mm_cvtsi32_si128( shift );

#if USE_AVX2

  if( vext >= AVX2 && ( numCoeff & 15 ) == 0 )

  {

    __m256i xqnt = _mm256_set1_epi32( quantCoeff );

    __m256i xoff = _mm256_set1_epi64x( offset );

    for( int uiBlockPos = 0; uiBlockPos < numCoeff; uiBlockPos += 16 )

    {

      __m256i xcff  = _mm256_loadu_si256( ( const __m256i* ) &pCoeff[uiBlockPos] );

              xcff  = _mm256_abs_epi32( xcff );

      __m256i xlvl1 = _mm256_mul_epi32( xcff, xqnt );

              xcff  = _mm256_shuffle_epi32( xcff, 1 + ( 3 << 4 ) );

      __m256i xlvl2 = _mm256_mul_epi32( xcff, xqnt );

              xlvl1 = _mm256_add_epi64( xlvl1, xoff );

              xlvl2 = _mm256_add_epi64( xlvl2, xoff );

              xlvl1 = _mm256_srl_epi64( xlvl1, vshift );

              xlvl2 = _mm256_srl_epi64( xlvl2, vshift );

      __m256i xany  = _mm256_or_si256( xlvl1, xlvl2 );

              xcff  = _mm256_loadu_si256( ( const __m256i* ) &pCoeff[uiBlockPos + 8] );

              xcff  = _mm256_abs_epi32( xcff );

              xlvl1 = _mm256_mul_epi32( xcff, xqnt );

              xcff  = _mm256_shuffle_epi32( xcff, 1 + ( 3 << 4 ) );

              xlvl2 = _mm256_mul_epi32( xcff, xqnt );

              xlvl1 = _mm256_add_epi64( xlvl1, xoff );

              xlvl2 = _mm256_add_epi64( xlvl2, xoff );

              xlvl1 = _mm256_srl_epi64( xlvl1, vshift );

              xlvl2 = _mm256_srl_epi64( xlvl2, vshift );

              xany  = _mm256_or_si256( xany, _mm256_or_si256( xlvl1, xlvl2 ) );

      if( !_mm256_testz_si256( xany, xany ) )

      {

        return true;

      }

    }

    return false;

  }

  else if( vext >= AVX2 && ( numCoeff & 7 ) == 0 )

  {

    __m256i xqnt = _mm256_set1_epi32( quantCoeff );

    __m256i xoff = _mm256_set1_epi64x( offset );

    for( int uiBlockPos = 0; uiBlockPos < numCoeff; uiBlockPos += 8 )

    {

      __m256i xcff  = _mm256_loadu_si256( ( const __m256i* ) &pCoeff[uiBlockPos] );

              xcff  = _mm256_abs_epi32( xcff );

      __m256i xlvl1 = _mm256_mul_epi32( xcff, xqnt );

              xcff  = _mm256_shuffle_epi32( xcff, 1 + ( 3 << 4 ) );

      __m256i xlvl2 = _mm256_mul_epi32( xcff, xqnt );

              xlvl1 = _mm256_add_epi64( xlvl1, xoff );

              xlvl2 = _mm256_add_epi64( xlvl2, xoff );

              xlvl1 = _mm256_srl_epi64( xlvl1, vshift );

              xlvl2 = _mm256_srl_epi64( xlvl2, vshift );

      __m256i xany  = _mm256_or_si256( xlvl1, xlvl2 );

      if( !_mm256_testz_si256( xany, xany ) )

      {

        return true;

      }

    }

    return false;

  }

  else

#endif

  if( ( numCoeff & 3 ) == 0 )

  {

    __m128i xqnt = _mm_set1_epi32( quantCoeff );

    __m128i xoff = _mm_set1_epi64x( offset );

    for( int uiBlockPos = 0; uiBlockPos < numCoeff; uiBlockPos += 4 )

    {

      __m128i xcff  = _mm_loadu_si128( ( const __m128i* ) &pCoeff[uiBlockPos] );

              xcff  = _mm_abs_epi32( xcff );

      __m128i xlvl1 = _mm_mul_epi32( xcff, xqnt );

              xcff  = _mm_shuffle_epi32( xcff, 1 + ( 3 << 4 ) );

      __m128i xlvl2 = _mm_mul_epi32( xcff, xqnt );

              xlvl1 = _mm_add_epi64( xlvl1, xoff );

              xlvl2 = _mm_add_epi64( xlvl2, xoff );

              xlvl1 = _mm_srl_epi64( xlvl1, vshift );

              xlvl2 = _mm_srl_epi64( xlvl2, vshift );

      __m128i xany  = _mm_or_si128( xlvl1, xlvl2 );

      if( !_mm_test_all_zeros( xany, xany ) )

      {

        return true;

      }

    }

    return false;

  }

  else

  {

    for( int uiBlockPos = 0; uiBlockPos < numCoeff; uiBlockPos++ )

    {

      const TCoeff   iLevel = pCoeff[uiBlockPos];

      const int64_t  tmpLevel = ( int64_t ) std::abs( iLevel ) * quantCoeff;

      const TCoeff quantisedMagnitude = TCoeff( ( tmpLevel + offset ) >> shift );

      if( quantisedMagnitude != 0 )

      {

        return true;

      }

    } // for n

    return false;

  }

}

Unexecuted instantiation: Quant_sse41.cpp:bool vvenc::NeedRdoqSIMD<(vvenc::x86_simd::X86_VEXT)1>(int const*, unsigned long, int, long, int)

Unexecuted instantiation: Quant_avx2.cpp:bool vvenc::NeedRdoqSIMD<(vvenc::x86_simd::X86_VEXT)4>(int const*, unsigned long, int, long, int)

template<X86_VEXT vext>

void Quant::_initQuantX86()

{

  xDeQuant  = DeQuantCoreSIMD<vext>;

  xQuant    = QuantCoreSIMD  <vext>;

  xNeedRdoq = NeedRdoqSIMD   <vext>;

}

Unexecuted instantiation: void vvenc::Quant::_initQuantX86<(vvenc::x86_simd::X86_VEXT)1>()

Unexecuted instantiation: void vvenc::Quant::_initQuantX86<(vvenc::x86_simd::X86_VEXT)4>()

template void Quant::_initQuantX86<SIMDX86>();

} // namespace vvenc

//! \}

#endif // TARGET_SIMD_X86