/* Copyright (C) 2021-2022 Mariadb Corporation.

   This program 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; version 2 of
   the License.

   This program 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 this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
   MA 02110-1301, USA. */

#pragma once

// Column filtering is dispatched 4-way based on the column type,
// which defines implementation of comparison operations for the column values
enum ENUM_KIND
{
  KIND_DEFAULT,   // compared as signed integers
  KIND_UNSIGNED,  // compared as unsigned integers
  KIND_FLOAT,     // compared as floating-point numbers
  KIND_TEXT
};  // whitespace-trimmed and then compared as signed integers

#if defined(__x86_64__)

#include <cstdint>
#include <type_traits>

#ifdef __OPTIMIZE__
#include <smmintrin.h>
#include <emmintrin.h>
#define MCS_FORCE_INLINE __attribute__((__always_inline__))
#else
#define __OPTIMIZE__
#include <smmintrin.h>
#include <emmintrin.h>
#undef __OPTIMIZE__
#define MCS_FORCE_INLINE inline
#endif

#include <mcs_datatype.h>

namespace simd
{
using vi128_t = __m128i;
using vi128f_t = __m128;
using vi128d_t = __m128d;
using int128_t = __int128;
using MT = uint16_t;

// These ugly wrappers are used to allow to use __m128* as template class parameter argument
struct vi128_wr
{
  __m128i v;
};

struct vi128f_wr
{
  __m128 v;
};

struct vi128d_wr
{
  __m128d v;
};

template <typename T, ENUM_KIND KIND, typename ENABLE = void>
struct IntegralToSIMD;

template <typename T, ENUM_KIND KIND>
struct IntegralToSIMD<T, KIND,
                      typename std::enable_if<KIND == KIND_FLOAT && sizeof(double) == sizeof(T)>::type>
{
  using type = vi128d_wr;
};

template <typename T, ENUM_KIND KIND>
struct IntegralToSIMD<T, KIND,
                      typename std::enable_if<KIND == KIND_FLOAT && sizeof(float) == sizeof(T)>::type>
{
  using type = vi128f_wr;
};

template <typename T, ENUM_KIND KIND>
struct IntegralToSIMD<T, KIND, typename std::enable_if<KIND != KIND_FLOAT>::type>
{
  using type = vi128_wr;
};

template <typename T, ENUM_KIND KIND, typename ENABLE = void>
struct StorageToFiltering;

template <typename T, ENUM_KIND KIND>
struct StorageToFiltering<T, KIND,
                          typename std::enable_if<KIND == KIND_FLOAT && sizeof(double) == sizeof(T)>::type>
{
  using type = double;
};

template <typename T, ENUM_KIND KIND>
struct StorageToFiltering<T, KIND,
                          typename std::enable_if<KIND == KIND_FLOAT && sizeof(float) == sizeof(T)>::type>
{
  using type = float;
};

template <typename T, ENUM_KIND KIND>
struct StorageToFiltering<T, KIND, typename std::enable_if<KIND != KIND_FLOAT>::type>
{
  using type = T;
};

template <int i0, int i1, int i2, int i3>
static inline vi128_t constant4i()
{
  static const union
  {
    int i[4];
    vi128_t xmm;
  } u = {{i0, i1, i2, i3}};
  return u.xmm;
}

template <int8_t i0, int8_t i1, int8_t i2, int8_t i3, int8_t i4, int8_t i5, int8_t i6, int8_t i7>
static inline vi128_t constant8i()
{
  static const union
  {
    int8_t i[16];
    vi128_t xmm;
  } u = {{i0, i0, i1, i1, i2, i2, i3, i3, i4, i4, i5, i5, i6, i6, i7, i7}};
  return u.xmm;
}

static inline vi128_t bitMaskToByteMask16(MT m)
{
  vi128_t sel = _mm_set1_epi64x(0x8040201008040201);
  return _mm_cmpeq_epi8(
      _mm_and_si128(_mm_shuffle_epi8(_mm_cvtsi32_si128(m), _mm_set_epi64x(0x0101010101010101, 0)), sel), sel);
}

template <typename VT, typename T, typename ENABLE = void>
class SimdFilterProcessor;

// Dummy class that captures all impossible cases, e.g. integer vector as VT and flot as CHECK_T.
template <typename VT, typename CHECK_T>
class SimdFilterProcessor<
    VT, CHECK_T,
    typename std::enable_if<(std::is_same<VT, vi128_wr>::value && sizeof(CHECK_T) == 16) ||
                            (std::is_same<VT, vi128f_wr>::value && !std::is_same<CHECK_T, float>::value &&
                             !std::is_same<CHECK_T, double>::value)>::type>
{
  // This is a dummy class that is not currently used.
 public:
  constexpr static const uint16_t vecByteSize = 16U;
  constexpr static const uint16_t vecBitSize = 128U;
  using T = typename datatypes::WidthToSIntegralType<sizeof(CHECK_T)>::type;
  using SimdWrapperType = vi128_wr;
  using SimdType = vi128_t;
  using FilterType = T;
  using StorageType = T;
  using MaskType = vi128_t;
  constexpr static const uint16_t FilterMaskStep = sizeof(T);
  // Load value
  MCS_FORCE_INLINE SimdType emptyNullLoadValue(const T fill)
  {
    return loadValue(fill);
  }

  MCS_FORCE_INLINE SimdType loadValue(const T fill)
  {
    return _mm_loadu_si128(reinterpret_cast<const SimdType*>(&fill));
  }

  // Load from
  MCS_FORCE_INLINE SimdType loadFrom(const char* from)
  {
    return _mm_loadu_si128(reinterpret_cast<const SimdType*>(from));
  }

  MCS_FORCE_INLINE MaskType cmpDummy(SimdType x, SimdType y)
  {
    return MaskType{0x0, 0x0};
  }
  // Compare
  MCS_FORCE_INLINE MaskType cmpEq(SimdType x, SimdType y)
  {
    return cmpDummy(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpGe(SimdType x, SimdType y)
  {
    return cmpDummy(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpGt(SimdType x, SimdType y)
  {
    return cmpDummy(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpLt(SimdType x, SimdType y)
  {
    return cmpDummy(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpLe(SimdType x, SimdType y)
  {
    return cmpDummy(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpNe(SimdType x, SimdType y)
  {
    return cmpDummy(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpAlwaysFalse(SimdType x, SimdType y)
  {
    return MaskType{0x0, 0x0};
  }

  MCS_FORCE_INLINE MaskType cmpAlwaysTrue(SimdType x, SimdType y)
  {
    return _mm_set_epi64x(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL);  // ????
  }

  // misc
  MCS_FORCE_INLINE MT convertVectorToBitMask(SimdType vmask)
  {
    return _mm_movemask_epi8(vmask);
  }

  MCS_FORCE_INLINE MaskType nullEmptyCmpNe(SimdType x, SimdType y)
  {
    return cmpDummy(x, y);
  }

  MCS_FORCE_INLINE MaskType nullEmptyCmpEq(SimdType x, SimdType y)
  {
    return cmpDummy(x, y);
  }

  MCS_FORCE_INLINE SimdType setToZero()
  {
    return _mm_setzero_si128();
  }

  // store
  MCS_FORCE_INLINE void storeWMask(SimdType x, SimdType vmask, char* dst)
  {
    _mm_maskmoveu_si128(x, vmask, dst);
  }

  MCS_FORCE_INLINE void store(char* dst, SimdType x)
  {
    _mm_storeu_si128(reinterpret_cast<SimdType*>(dst), x);
  }

  MCS_FORCE_INLINE SimdType blend(SimdType x, SimdType y, SimdType mask) const
  {
    return x;
  }

  MCS_FORCE_INLINE SimdType bwAnd(SimdType x, SimdType y) const
  {
    return x;
  }

  MCS_FORCE_INLINE SimdType cmpGtSimdType(SimdType x, SimdType y) const
  {
    return x;
  }

  MCS_FORCE_INLINE SimdType min(SimdType x, SimdType y) const
  {
    return reinterpret_cast<SimdType>(std::min(reinterpret_cast<int128_t>(x), reinterpret_cast<int128_t>(y)));
  }

  MCS_FORCE_INLINE SimdType max(SimdType x, SimdType y) const
  {
    return reinterpret_cast<SimdType>(std::max(reinterpret_cast<int128_t>(x), reinterpret_cast<int128_t>(y)));
  }
  MCS_FORCE_INLINE MaskType falseMask()
  {
    return MaskType{0x0, 0x0};
  }
  MCS_FORCE_INLINE MaskType trueMask()
  {
    return _mm_set_epi64x(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL);
  }
};

template <typename VT, typename T>
class SimdFilterProcessor<
    VT, T,
    typename std::enable_if<std::is_same<VT, vi128d_wr>::value && std::is_same<T, double>::value>::type>
{
 public:
  constexpr static const uint16_t vecByteSize = 16U;
  constexpr static const uint16_t vecBitSize = 128U;
  using FilterType = T;
  using NullEmptySimdType = vi128_t;
  using SimdWrapperType = simd::vi128d_wr;
  using SimdType = simd::vi128d_t;
  using StorageSimdType = simd::vi128_t;
  using StorageType = typename datatypes::WidthToSIntegralType<sizeof(T)>::type;
  using MaskType = vi128_t;
  using StorageVecProcType = SimdFilterProcessor<simd::vi128_wr, StorageType>;
  // Mask calculation for int and float types differs.
  // See corresponding intrinsics algos for details.
  constexpr static const uint16_t FilterMaskStep = sizeof(T);
  // Load value
  MCS_FORCE_INLINE SimdType emptyNullLoadValue(const T fill)
  {
    StorageVecProcType nullEmptyProcessor;
    // This spec borrows the expr from u-/int64 based proceesor class.
    return (SimdType)nullEmptyProcessor.loadValue(fill);
  }

  MCS_FORCE_INLINE SimdType loadValue(const T fill)
  {
    return _mm_set1_pd(fill);
  }

  // Load from
  MCS_FORCE_INLINE SimdType loadFrom(const char* from)
  {
    return _mm_loadu_pd(reinterpret_cast<const T*>(from));
  }

  // Compare
  MCS_FORCE_INLINE MaskType cmpEq(SimdType x, SimdType y)
  {
    return (MaskType)_mm_cmpeq_pd(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpGe(SimdType x, SimdType y)
  {
    return (MaskType)_mm_cmpge_pd(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpGt(SimdType x, SimdType y)
  {
    return (MaskType)_mm_cmpgt_pd(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpLe(SimdType x, SimdType y)
  {
    return (MaskType)_mm_cmple_pd(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpLt(SimdType x, SimdType y)
  {
    return (MaskType)_mm_cmplt_pd(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpNe(SimdType x, SimdType y)
  {
    return (MaskType)_mm_cmpneq_pd(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpAlwaysFalse(SimdType x, SimdType y)
  {
    return MaskType{0x0, 0x0};
  }

  MCS_FORCE_INLINE MaskType cmpAlwaysTrue(SimdType x, SimdType y)
  {
    return _mm_set_epi64x(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL);
  }

  // misc
  MCS_FORCE_INLINE MT convertVectorToBitMask(SimdType vmask)
  {
    return _mm_movemask_pd(vmask);
  }

  // Maybe unused
  MCS_FORCE_INLINE MaskType nullEmptyCmpNe(SimdType x, SimdType y)
  {
    StorageVecProcType nullEmptyProcessor;
    NullEmptySimdType* xAsIntVecPtr = reinterpret_cast<NullEmptySimdType*>(&x);
    NullEmptySimdType* yAsIntVecPtr = reinterpret_cast<NullEmptySimdType*>(&y);
    // This spec borrows the expr from u-/int64 based proceesor class.
    return nullEmptyProcessor.cmpNe(*xAsIntVecPtr, *yAsIntVecPtr);
  }

  MCS_FORCE_INLINE MaskType nullEmptyCmpNe(MaskType x, MaskType y)
  {
    StorageVecProcType nullEmptyProcessor;
    return nullEmptyProcessor.cmpNe(x, y);
  }

  MCS_FORCE_INLINE MaskType nullEmptyCmpEq(SimdType x, SimdType y)
  {
    StorageVecProcType nullEmptyProcessor;

    NullEmptySimdType* xAsIntVecPtr = reinterpret_cast<NullEmptySimdType*>(&x);
    NullEmptySimdType* yAsIntVecPtr = reinterpret_cast<NullEmptySimdType*>(&y);
    // This spec borrows the expr from u-/int64 based proceesor class.
    return nullEmptyProcessor.cmpEq(*xAsIntVecPtr, *yAsIntVecPtr);
  }

  MCS_FORCE_INLINE SimdType setToZero()
  {
    return _mm_setzero_pd();
  }

  MCS_FORCE_INLINE void store(char* dst, SimdType x)
  {
    _mm_storeu_pd(reinterpret_cast<T*>(dst), x);
  }

  MCS_FORCE_INLINE SimdType min(SimdType x, SimdType y) const
  {
    return _mm_min_pd(x, y);
  }

  MCS_FORCE_INLINE SimdType max(SimdType x, SimdType y) const
  {
    return _mm_max_pd(x, y);
  }

  MCS_FORCE_INLINE SimdType blend(SimdType x, SimdType y, SimdType mask) const
  {
    return _mm_blendv_pd(x, y, mask);
  }

  MCS_FORCE_INLINE SimdType cmpGtSimdType(SimdType x, SimdType y) const
  {
    return _mm_cmpgt_pd(x, y);
  }

  MCS_FORCE_INLINE SimdType bwAnd(SimdType x, SimdType y) const
  {
    return _mm_and_pd(x, y);
  }
  MCS_FORCE_INLINE MaskType falseMask()
  {
    return MaskType{0x0, 0x0};
  }
  MCS_FORCE_INLINE MaskType trueMask()
  {
    return _mm_set_epi64x(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL);
  }
};

template <typename VT, typename T>
class SimdFilterProcessor<
    VT, T, typename std::enable_if<std::is_same<VT, vi128f_wr>::value && std::is_same<T, float>::value>::type>
{
 public:
  constexpr static const uint16_t vecByteSize = 16U;
  constexpr static const uint16_t vecBitSize = 128U;
  using FilterType = T;
  using NullEmptySimdType = vi128_t;
  using SimdWrapperType = vi128f_wr;
  using SimdType = vi128f_t;
  using StorageSimdType = simd::vi128_t;
  using StorageType = typename datatypes::WidthToSIntegralType<sizeof(T)>::type;
  using MaskType = vi128_t;
  using StorageVecProcType = SimdFilterProcessor<simd::vi128_wr, StorageType>;
  // Mask calculation for int and float types differs.
  // See corresponding intrinsics algos for details.
  constexpr static const uint16_t FilterMaskStep = sizeof(T);
  MCS_FORCE_INLINE MaskType maskCtor(const char* inputArray)
  {
    // These masks are valid for little-endian archs.
    const MaskType byteMaskVec =
        constant4i<(int32_t)0x000000FF, (int32_t)0x0000FF00, (int32_t)0x00FF0000, (int32_t)0xFF000000>();
    return _mm_and_si128(_mm_set1_epi32(*(const int32_t*)inputArray), byteMaskVec);
  }
  // Load value
  MCS_FORCE_INLINE SimdType emptyNullLoadValue(const T fill)
  {
    StorageVecProcType nullEmptyProcessor;
    // This spec borrows the expr from u-/int64 based proceesor class.
    return (SimdType)nullEmptyProcessor.loadValue(fill);
  }

  MCS_FORCE_INLINE SimdType loadValue(const T fill)
  {
    return _mm_set1_ps(fill);
  }

  // Load from
  MCS_FORCE_INLINE SimdType loadFrom(const char* from)
  {
    return _mm_loadu_ps(reinterpret_cast<const T*>(from));
  }

  // Compare
  MCS_FORCE_INLINE MaskType cmpEq(SimdType x, SimdType y)
  {
    return (MaskType)_mm_cmpeq_ps(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpGe(SimdType x, SimdType y)
  {
    return (MaskType)_mm_cmpge_ps(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpGt(SimdType x, SimdType y)
  {
    return (MaskType)_mm_cmpgt_ps(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpLe(SimdType x, SimdType y)
  {
    return (MaskType)_mm_cmple_ps(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpLt(SimdType x, SimdType y)
  {
    return (MaskType)_mm_cmplt_ps(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpNe(SimdType x, SimdType y)
  {
    return (MaskType)_mm_cmpneq_ps(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpAlwaysFalse(SimdType x, SimdType y)
  {
    return MaskType{0x0, 0x0};
  }

  MCS_FORCE_INLINE MaskType cmpAlwaysTrue(SimdType x, SimdType y)
  {
    return _mm_set_epi64x(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL);
  }

  // misc
  MCS_FORCE_INLINE MT convertVectorToBitMask(SimdType vmask)
  {
    return _mm_movemask_ps(vmask);
  }

  // WIP maybe unused
  MCS_FORCE_INLINE MaskType nullEmptyCmpNe(SimdType x, SimdType y)
  {
    StorageVecProcType nullEmptyProcessor;

    NullEmptySimdType* xAsIntVecPtr = reinterpret_cast<NullEmptySimdType*>(&x);
    NullEmptySimdType* yAsIntVecPtr = reinterpret_cast<NullEmptySimdType*>(&y);
    // This spec borrows the expr from u-/int64 based proceesor class.
    return nullEmptyProcessor.cmpNe(*xAsIntVecPtr, *yAsIntVecPtr);
  }

  MCS_FORCE_INLINE MaskType nullEmptyCmpEq(SimdType x, SimdType y)
  {
    StorageVecProcType nullEmptyProcessor;

    NullEmptySimdType* xAsIntVecPtr = reinterpret_cast<NullEmptySimdType*>(&x);
    NullEmptySimdType* yAsIntVecPtr = reinterpret_cast<NullEmptySimdType*>(&y);
    // This spec borrows the expr from u-/int64 based proceesor class.
    return nullEmptyProcessor.cmpEq(*xAsIntVecPtr, *yAsIntVecPtr);
  }

  MCS_FORCE_INLINE MaskType nullEmptyCmpNe(MaskType x, MaskType y)
  {
    StorageVecProcType nullEmptyProcessor;
    return nullEmptyProcessor.cmpNe(x, y);
  }

  MCS_FORCE_INLINE SimdType setToZero()
  {
    return _mm_setzero_ps();
  }

  MCS_FORCE_INLINE void store(char* dst, SimdType x)
  {
    _mm_storeu_ps(reinterpret_cast<T*>(dst), x);
  }

  MCS_FORCE_INLINE SimdType min(SimdType x, SimdType y) const
  {
    return _mm_min_ps(x, y);
  }

  MCS_FORCE_INLINE SimdType max(SimdType x, SimdType y) const
  {
    return _mm_max_ps(x, y);
  }

  MCS_FORCE_INLINE SimdType cmpGtSimdType(SimdType x, SimdType y) const
  {
    return _mm_cmpgt_ps(x, y);
  }

  MCS_FORCE_INLINE SimdType blend(SimdType x, SimdType y, SimdType mask) const
  {
    return _mm_blendv_ps(x, y, mask);
  }

  MCS_FORCE_INLINE SimdType bwAnd(SimdType x, SimdType y) const
  {
    return _mm_and_ps(x, y);
  }
  MCS_FORCE_INLINE MaskType falseMask()
  {
    return MaskType{0x0, 0x0};
  }
  MCS_FORCE_INLINE MaskType trueMask()
  {
    return _mm_set_epi64x(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL);
  }
};

template <typename VT, typename CHECK_T>
class SimdFilterProcessor<
    VT, CHECK_T,
    typename std::enable_if<std::is_same<VT, vi128_wr>::value && std::is_same<CHECK_T, int64_t>::value &&
                            !std::is_same<CHECK_T, double>::value>::type>
{
 public:
  constexpr static const uint16_t vecByteSize = 16U;
  constexpr static const uint16_t vecBitSize = 128U;
  using T = typename datatypes::WidthToSIntegralType<sizeof(CHECK_T)>::type;
  using SimdWrapperType = vi128_wr;
  using SimdType = vi128_t;
  using FilterType = T;
  using StorageType = T;
  using MaskType = vi128_t;
  // Mask calculation for int and float types differs.
  // See corresponding intrinsics algos for details.
  constexpr static const uint16_t FilterMaskStep = sizeof(T);
  // Load value
  MCS_FORCE_INLINE SimdType emptyNullLoadValue(const T fill)
  {
    return loadValue(fill);
  }

  MCS_FORCE_INLINE SimdType loadValue(const T fill)
  {
    return _mm_set_epi64x(fill, fill);
  }

  // Load from
  MCS_FORCE_INLINE SimdType loadFrom(const char* from)
  {
    return _mm_loadu_si128(reinterpret_cast<const SimdType*>(from));
  }

  // Compare
  MCS_FORCE_INLINE MaskType cmpGe(SimdType x, SimdType y)
  {
    return _mm_or_si128(_mm_cmpgt_epi64(x, y), _mm_cmpeq_epi64(x, y));
  }

  MCS_FORCE_INLINE MaskType cmpGt(SimdType x, SimdType y) const
  {
    return _mm_cmpgt_epi64(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpEq(SimdType x, SimdType y)
  {
    return _mm_cmpeq_epi64(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpLe(SimdType x, SimdType y)
  {
    return cmpGt(x, y) ^ loadValue(0xFFFFFFFFFFFFFFFF);
  }

  MCS_FORCE_INLINE MaskType cmpLt(SimdType x, SimdType y)
  {
    return cmpNe(x, y) ^ cmpGt(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpNe(SimdType x, SimdType y)
  {
    return _mm_cmpeq_epi64(x, y) ^ loadValue(0xFFFFFFFFFFFFFFFF);
  }

  MCS_FORCE_INLINE MaskType cmpAlwaysFalse(SimdType x, SimdType y)
  {
    return MaskType{0x0, 0x0};
  }

  MCS_FORCE_INLINE MaskType cmpAlwaysTrue(SimdType x, SimdType y)
  {
    return loadValue(0xFFFFFFFFFFFFFFFF);
  }

  // misc
  MCS_FORCE_INLINE MT convertVectorToBitMask(SimdType vmask)
  {
    return _mm_movemask_epi8(vmask);
  }

  MCS_FORCE_INLINE SimdType setToZero()
  {
    return _mm_setzero_si128();
  }

  MCS_FORCE_INLINE MaskType nullEmptyCmpNe(SimdType x, SimdType y)
  {
    return cmpNe(x, y);
  }

  MCS_FORCE_INLINE MaskType nullEmptyCmpEq(SimdType x, SimdType y)
  {
    return cmpEq(x, y);
  }

  // store
  MCS_FORCE_INLINE void storeWMask(SimdType x, SimdType vmask, char* dst)
  {
    _mm_maskmoveu_si128(x, vmask, dst);
  }

  MCS_FORCE_INLINE void store(char* dst, SimdType x)
  {
    _mm_storeu_si128(reinterpret_cast<SimdType*>(dst), x);
  }

  MCS_FORCE_INLINE SimdType blend(SimdType x, SimdType y, SimdType mask) const
  {
    return _mm_blendv_epi8(x, y, mask);
  }

  MCS_FORCE_INLINE SimdType bwAnd(SimdType x, SimdType y) const
  {
    return _mm_and_si128(x, y);
  }

  MCS_FORCE_INLINE SimdType cmpGtSimdType(SimdType x, SimdType y) const
  {
    return _mm_cmpgt_epi64(x, y);
  }

  MCS_FORCE_INLINE SimdType min(SimdType x, SimdType y) const
  {
    return blend(x, y, cmpGt(x, y));
  }

  MCS_FORCE_INLINE SimdType max(SimdType x, SimdType y) const
  {
    return blend(x, y, cmpGt(y, x));
  }
  MCS_FORCE_INLINE MaskType falseMask()
  {
    return MaskType{0x0, 0x0};
  }
  MCS_FORCE_INLINE MaskType trueMask()
  {
    return _mm_set_epi64x(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL);
  }
};

template <typename VT, typename CHECK_T>
class SimdFilterProcessor<
    VT, CHECK_T,
    typename std::enable_if<std::is_same<VT, vi128_wr>::value && std::is_same<CHECK_T, uint64_t>::value &&
                            !std::is_same<CHECK_T, double>::value>::type>
{
 public:
  constexpr static const uint16_t vecByteSize = 16U;
  constexpr static const uint16_t vecBitSize = 128U;
  using T = typename datatypes::WidthToSIntegralType<sizeof(CHECK_T)>::type;
  using SimdWrapperType = vi128_wr;
  using SimdType = vi128_t;
  using FilterType = T;
  using StorageType = T;
  using MaskType = vi128_t;
  // Mask calculation for int and float types differs.
  // See corresponding intrinsics algos for details.
  constexpr static const uint16_t FilterMaskStep = sizeof(T);
  // Load value
  MCS_FORCE_INLINE SimdType emptyNullLoadValue(const T fill)
  {
    return loadValue(fill);
  }

  MCS_FORCE_INLINE SimdType loadValue(const T fill)
  {
    return _mm_set_epi64x(fill, fill);
  }

  // Load from
  MCS_FORCE_INLINE SimdType loadFrom(const char* from)
  {
    return _mm_loadu_si128(reinterpret_cast<const SimdType*>(from));
  }

  // Compare
  MCS_FORCE_INLINE MaskType cmpGe(SimdType x, SimdType y)
  {
    return cmpGt(y, x) ^ loadValue(0xFFFFFFFFFFFFFFFF);
  }

  MCS_FORCE_INLINE MaskType cmpGt(SimdType x, SimdType y) const
  {
    SimdType signVec = constant4i<0, (int32_t)0x80000000, 0, (int32_t)0x80000000>();
    SimdType xFlip = _mm_xor_si128(x, signVec);
    SimdType yFlip = _mm_xor_si128(y, signVec);
    return _mm_cmpgt_epi64(xFlip, yFlip);
  }

  MCS_FORCE_INLINE MaskType cmpEq(SimdType x, SimdType y)
  {
    return _mm_cmpeq_epi64(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpLe(SimdType x, SimdType y)
  {
    return cmpGt(x, y) ^ loadValue(0xFFFFFFFFFFFFFFFF);
  }

  MCS_FORCE_INLINE MaskType cmpLt(SimdType x, SimdType y)
  {
    return cmpGt(y, x);
  }

  MCS_FORCE_INLINE MaskType cmpNe(SimdType x, SimdType y)
  {
    return _mm_cmpeq_epi64(x, y) ^ loadValue(0xFFFFFFFFFFFFFFFF);
  }

  MCS_FORCE_INLINE MaskType cmpAlwaysFalse(SimdType x, SimdType y)
  {
    return MaskType{0x0, 0x0};
  }

  MCS_FORCE_INLINE MaskType cmpAlwaysTrue(SimdType x, SimdType y)
  {
    return loadValue(0xFFFFFFFFFFFFFFFF);
  }

  // misc
  MCS_FORCE_INLINE MT convertVectorToBitMask(SimdType vmask)
  {
    return _mm_movemask_epi8(vmask);
  }

  MCS_FORCE_INLINE SimdType setToZero()
  {
    return _mm_setzero_si128();
  }

  MCS_FORCE_INLINE MaskType nullEmptyCmpNe(SimdType x, SimdType y)
  {
    return cmpNe(x, y);
  }

  MCS_FORCE_INLINE MaskType nullEmptyCmpEq(SimdType x, SimdType y)
  {
    return cmpEq(x, y);
  }

  // store
  MCS_FORCE_INLINE void storeWMask(SimdType x, SimdType vmask, char* dst)
  {
    _mm_maskmoveu_si128(x, vmask, dst);
  }

  MCS_FORCE_INLINE void store(char* dst, SimdType x)
  {
    _mm_storeu_si128(reinterpret_cast<SimdType*>(dst), x);
  }

  MCS_FORCE_INLINE SimdType blend(SimdType x, SimdType y, SimdType mask) const
  {
    return _mm_blendv_epi8(x, y, mask);
  }

  MCS_FORCE_INLINE SimdType bwAnd(SimdType x, SimdType y) const
  {
    return _mm_and_si128(x, y);
  }

  MCS_FORCE_INLINE SimdType cmpGtSimdType(SimdType x, SimdType y) const
  {
    SimdType signVec = constant4i<0, (int32_t)0x80000000, 0, (int32_t)0x80000000>();
    SimdType xFlip = _mm_xor_si128(x, signVec);
    SimdType yFlip = _mm_xor_si128(y, signVec);
    return _mm_cmpgt_epi64(xFlip, yFlip);
  }

  MCS_FORCE_INLINE SimdType min(SimdType x, SimdType y)
  {
    return blend(x, y, cmpGt(x, y));
  }

  MCS_FORCE_INLINE SimdType max(SimdType x, SimdType y) const
  {
    return blend(x, y, cmpGt(y, x));
  }
  MCS_FORCE_INLINE MaskType falseMask() const
  {
    return MaskType{0x0, 0x0};
  }
  MCS_FORCE_INLINE MaskType trueMask() const
  {
    return _mm_set_epi64x(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL);
  }
};

template <typename VT, typename CHECK_T>
class SimdFilterProcessor<
    VT, CHECK_T,
    typename std::enable_if<std::is_same<VT, vi128_wr>::value && std::is_same<CHECK_T, int32_t>::value &&
                            !std::is_same<CHECK_T, float>::value>::type>
{
 public:
  constexpr static const uint16_t vecByteSize = 16U;
  constexpr static const uint16_t vecBitSize = 128U;
  using T = typename datatypes::WidthToSIntegralType<sizeof(CHECK_T)>::type;
  using SimdWrapperType = vi128_wr;
  using SimdType = vi128_t;
  using FilterType = T;
  using StorageType = T;
  using MaskType = vi128_t;
  // Mask calculation for int and float types differs.
  // See corresponding intrinsics algos for details.
  constexpr static const uint16_t FilterMaskStep = sizeof(T);
  // MaskType ctor
  MCS_FORCE_INLINE MaskType maskCtor(const char* inputArray)
  {
    // These masks are valid for little-endian archs.
    const SimdType byteMaskVec =
        constant4i<(int32_t)0x000000FF, (int32_t)0x0000FF00, (int32_t)0x00FF0000, (int32_t)0xFF000000>();
    return _mm_and_si128(_mm_set1_epi32(*(const int32_t*)inputArray), byteMaskVec);
  }
  // Load value
  MCS_FORCE_INLINE SimdType emptyNullLoadValue(const T fill)
  {
    return loadValue(fill);
  }

  MCS_FORCE_INLINE SimdType loadValue(const T fill)
  {
    return _mm_set1_epi32(fill);
  }

  // Load from
  MCS_FORCE_INLINE SimdType loadFrom(const char* from)
  {
    return _mm_loadu_si128(reinterpret_cast<const SimdType*>(from));
  }

  // Compare
  MCS_FORCE_INLINE MaskType cmpEq(SimdType x, SimdType y)
  {
    return _mm_cmpeq_epi32(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpGe(SimdType x, SimdType y)
  {
    return cmpLt(x, y) ^ loadValue(0xFFFFFFFF);
  }

  MCS_FORCE_INLINE MaskType cmpGt(SimdType x, SimdType y)
  {
    return _mm_cmpgt_epi32(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpLe(SimdType x, SimdType y)
  {
    return cmpGt(x, y) ^ loadValue(0xFFFFFFFF);
  }

  MCS_FORCE_INLINE MaskType cmpLt(SimdType x, SimdType y)
  {
    return _mm_cmplt_epi32(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpNe(SimdType x, SimdType y)
  {
    return _mm_cmpeq_epi32(x, y) ^ loadValue(0xFFFFFFFF);
  }

  MCS_FORCE_INLINE MaskType cmpAlwaysFalse(SimdType x, SimdType y)
  {
    return MaskType{0x0, 0x0};
  }

  MCS_FORCE_INLINE MaskType cmpAlwaysTrue(SimdType x, SimdType y)
  {
    return loadValue(0xFFFF);
  }

  // misc
  MCS_FORCE_INLINE MT convertVectorToBitMask(SimdType vmask)
  {
    return _mm_movemask_epi8(vmask);
  }

  MCS_FORCE_INLINE MaskType nullEmptyCmpNe(SimdType x, SimdType y)
  {
    return cmpNe(x, y);
  }

  MCS_FORCE_INLINE MaskType nullEmptyCmpEq(SimdType x, SimdType y)
  {
    return cmpEq(x, y);
  }

  MCS_FORCE_INLINE SimdType setToZero()
  {
    return _mm_setzero_si128();
  }

  // store
  MCS_FORCE_INLINE void storeWMask(SimdType x, SimdType vmask, char* dst)
  {
    _mm_maskmoveu_si128(x, vmask, dst);
  }

  MCS_FORCE_INLINE void store(char* dst, SimdType x)
  {
    _mm_storeu_si128(reinterpret_cast<SimdType*>(dst), x);
  }

  MCS_FORCE_INLINE SimdType blend(SimdType x, SimdType y, SimdType mask) const
  {
    return _mm_blendv_epi8(x, y, mask);
  }

  MCS_FORCE_INLINE SimdType bwAnd(SimdType x, SimdType y) const
  {
    return _mm_and_si128(x, y);
  }

  MCS_FORCE_INLINE SimdType cmpGtSimdType(SimdType x, SimdType y) const
  {
    return _mm_cmpgt_epi32(x, y);
  }

  MCS_FORCE_INLINE SimdType min(SimdType x, SimdType y) const
  {
    return _mm_min_epi32(x, y);
  }

  MCS_FORCE_INLINE SimdType max(SimdType x, SimdType y) const
  {
    return _mm_max_epi32(x, y);
  }
  MCS_FORCE_INLINE MaskType falseMask()
  {
    return MaskType{0x0, 0x0};
  }
  MCS_FORCE_INLINE MaskType trueMask()
  {
    return _mm_set_epi64x(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL);
  }
};

template <typename VT, typename CHECK_T>
class SimdFilterProcessor<
    VT, CHECK_T,
    typename std::enable_if<std::is_same<VT, vi128_wr>::value && std::is_same<CHECK_T, uint32_t>::value &&
                            !std::is_same<CHECK_T, float>::value>::type>
{
 public:
  constexpr static const uint16_t vecByteSize = 16U;
  constexpr static const uint16_t vecBitSize = 128U;
  using T = typename datatypes::WidthToSIntegralType<sizeof(CHECK_T)>::type;
  using SimdWrapperType = vi128_wr;
  using SimdType = vi128_t;
  using FilterType = T;
  using StorageType = T;
  using MaskType = vi128_t;
  // Mask calculation for int and float types differs.
  // See corresponding intrinsics algos for details.
  constexpr static const uint16_t FilterMaskStep = sizeof(T);
  MCS_FORCE_INLINE MaskType maskCtor(const char* inputArray)
  {
    // These masks are valid for little-endian archs.
    const SimdType byteMaskVec =
        constant4i<(int32_t)0x000000FF, (int32_t)0x0000FF00, (int32_t)0x00FF0000, (int32_t)0xFF000000>();
    return _mm_and_si128(_mm_set1_epi32(*(const int32_t*)inputArray), byteMaskVec);
  }
  // Load value
  MCS_FORCE_INLINE SimdType emptyNullLoadValue(const T fill)
  {
    return loadValue(fill);
  }

  MCS_FORCE_INLINE SimdType loadValue(const T fill)
  {
    return _mm_set1_epi32(fill);
  }

  // Load from
  MCS_FORCE_INLINE SimdType loadFrom(const char* from)
  {
    return _mm_loadu_si128(reinterpret_cast<const SimdType*>(from));
  }

  // Compare
  MCS_FORCE_INLINE MaskType cmpEq(SimdType x, SimdType y)
  {
    return _mm_cmpeq_epi32(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpGe(SimdType x, SimdType y)
  {
    return cmpGt(y, x) ^ loadValue(0xFFFFFFFF);
  }

  MCS_FORCE_INLINE MaskType cmpGt(SimdType x, SimdType y)
  {
    SimdType signVec =
        constant4i<(int32_t)0x80000000, (int32_t)0x80000000, (int32_t)0x80000000, (int32_t)0x80000000>();
    SimdType xFlip = _mm_xor_si128(x, signVec);
    SimdType yFlip = _mm_xor_si128(y, signVec);
    return _mm_cmpgt_epi32(xFlip, yFlip);
  }

  MCS_FORCE_INLINE MaskType cmpLe(SimdType x, SimdType y)
  {
    return cmpGt(x, y) ^ loadValue(0xFFFFFFFF);
  }

  MCS_FORCE_INLINE MaskType cmpLt(SimdType x, SimdType y)
  {
    return cmpGt(y, x);
  }

  MCS_FORCE_INLINE MaskType cmpNe(SimdType x, SimdType y)
  {
    return _mm_cmpeq_epi32(x, y) ^ loadValue(0xFFFFFFFF);
  }

  MCS_FORCE_INLINE MaskType cmpAlwaysFalse(SimdType x, SimdType y)
  {
    return MaskType{0x0, 0x0};
  }

  MCS_FORCE_INLINE MaskType cmpAlwaysTrue(SimdType x, SimdType y)
  {
    return loadValue(0xFFFFFFFF);
  }

  // misc
  MCS_FORCE_INLINE MT convertVectorToBitMask(SimdType vmask)
  {
    return _mm_movemask_epi8(vmask);
  }

  MCS_FORCE_INLINE MaskType nullEmptyCmpNe(SimdType x, SimdType y)
  {
    return cmpNe(x, y);
  }

  MCS_FORCE_INLINE MaskType nullEmptyCmpEq(SimdType x, SimdType y)
  {
    return cmpEq(x, y);
  }

  MCS_FORCE_INLINE SimdType setToZero()
  {
    return _mm_setzero_si128();
  }

  // store
  MCS_FORCE_INLINE void storeWMask(SimdType x, SimdType vmask, char* dst)
  {
    _mm_maskmoveu_si128(x, vmask, dst);
  }

  MCS_FORCE_INLINE void store(char* dst, SimdType x)
  {
    _mm_storeu_si128(reinterpret_cast<SimdType*>(dst), x);
  }

  MCS_FORCE_INLINE SimdType blend(SimdType x, SimdType y, SimdType mask) const
  {
    return _mm_blendv_epi8(x, y, mask);
  }

  MCS_FORCE_INLINE SimdType bwAnd(SimdType x, SimdType y) const
  {
    return _mm_and_si128(x, y);
  }

  MCS_FORCE_INLINE SimdType cmpGtSimdType(SimdType x, SimdType y) const
  {
    SimdType signVec =
        constant4i<(int32_t)0x80000000, (int32_t)0x80000000, (int32_t)0x80000000, (int32_t)0x80000000>();
    SimdType xFlip = _mm_xor_si128(x, signVec);
    SimdType yFlip = _mm_xor_si128(y, signVec);
    return _mm_cmpgt_epi32(xFlip, yFlip);
  }

  MCS_FORCE_INLINE SimdType min(SimdType x, SimdType y) const
  {
    return _mm_min_epu32(x, y);
  }

  MCS_FORCE_INLINE SimdType max(SimdType x, SimdType y) const
  {
    return _mm_max_epu32(x, y);
  }
  MCS_FORCE_INLINE MaskType falseMask()
  {
    return MaskType{0x0, 0x0};
  }
  MCS_FORCE_INLINE MaskType trueMask()
  {
    return _mm_set_epi64x(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL);
  }
};

template <typename VT, typename CHECK_T>
class SimdFilterProcessor<
    VT, CHECK_T,
    typename std::enable_if<std::is_same<VT, vi128_wr>::value && std::is_same<CHECK_T, int16_t>::value>::type>
{
 public:
  constexpr static const uint16_t vecByteSize = 16U;
  constexpr static const uint16_t vecBitSize = 128U;
  using T = typename datatypes::WidthToSIntegralType<sizeof(CHECK_T)>::type;
  using SimdWrapperType = simd::vi128_wr;
  using SimdType = simd::vi128_t;
  using FilterType = T;
  using StorageType = T;
  using MaskType = vi128_t;
  // Mask calculation for int and float types differs.
  // See corresponding intrinsics algos for details.
  constexpr static const uint16_t FilterMaskStep = sizeof(T);
  MCS_FORCE_INLINE MaskType maskCtor(const char* inputArray)
  {
    // const CHECK_T value1 = inputArray[0];
    // const CHECK_T value2 = inputArray[1];
    // const CHECK_T value3 = inputArray[2];
    // const CHECK_T value4 = inputArray[3];
    // const CHECK_T value5 = inputArray[4];
    // const CHECK_T value6 = inputArray[5];
    // const CHECK_T value7 = inputArray[6];
    // const CHECK_T value8 = inputArray[7];
    // union
    // {
    //   CHECK_T i[vecByteSize / sizeof(CHECK_T)];
    //   vi128_t xmm;
    // } u = {{value1, value2, value3, value4, value5, value6, value7, value8}};
    // return u.xmm;
    // std::cout << " maskCtor ptr " << std::hex << (uint64_t)inputArray << " val " << *(int64_t*)inputArray
    //           << std::endl;
    const SimdType byteMaskVec = constant8i<0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07>();
    // auto a1 = _mm_set1_epi64x(*(int64_t*)inputArray);
    // auto a2 = _mm_shuffle_epi8(a1, byteMaskVec);
    // {
    //   std::cout << " maskCtor ptr byteMaskVec " << std::hex << ((uint64_t*)(&byteMaskVec))[0] << " "
    //             << ((uint64_t*)(&byteMaskVec))[1] << std::endl;
    // }
    // {
    //   std::cout << " maskCtor ptr a1 " << std::hex << ((uint64_t*)(&a1))[0] << " " << ((uint64_t*)(&a1))[1]
    //             << std::endl;
    // }
    // {
    //   std::cout << " maskCtor ptr a2 " << std::hex << ((uint64_t*)(&a2))[0] << " " << ((uint64_t*)(&a2))[1]
    //             << std::endl;
    // }
    return _mm_shuffle_epi8(_mm_set1_epi64x(*(int64_t*)inputArray), byteMaskVec);
  }
  // Load value
  MCS_FORCE_INLINE SimdType emptyNullLoadValue(const T fill)
  {
    return loadValue(fill);
  }

  MCS_FORCE_INLINE SimdType loadValue(const T fill)
  {
    return _mm_set1_epi16(fill);
  }

  // Load from
  MCS_FORCE_INLINE SimdType loadFrom(const char* from)
  {
    return _mm_loadu_si128(reinterpret_cast<const SimdType*>(from));
  }

  // Compare
  MCS_FORCE_INLINE MaskType cmpEq(SimdType x, SimdType y)
  {
    return _mm_cmpeq_epi16(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpGe(SimdType x, SimdType y)
  {
    return cmpLt(x, y) ^ loadValue(0xFFFF);
  }

  MCS_FORCE_INLINE MaskType cmpGt(SimdType x, SimdType y)
  {
    return _mm_cmpgt_epi16(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpLe(SimdType x, SimdType y)
  {
    return cmpGt(x, y) ^ loadValue(0xFFFF);
  }

  MCS_FORCE_INLINE MaskType cmpLt(SimdType x, SimdType y)
  {
    return _mm_cmplt_epi16(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpNe(SimdType x, SimdType y)
  {
    return _mm_cmpeq_epi16(x, y) ^ loadValue(0xFFFF);
  }

  MCS_FORCE_INLINE MaskType cmpAlwaysFalse(SimdType x, SimdType y)
  {
    return MaskType{0x0, 0x0};
  }

  MCS_FORCE_INLINE MaskType cmpAlwaysTrue(SimdType x, SimdType y)
  {
    return loadValue(0xFFFF);
  }

  // misc
  MCS_FORCE_INLINE MT convertVectorToBitMask(SimdType vmask)
  {
    return _mm_movemask_epi8(vmask);
  }

  MCS_FORCE_INLINE MaskType nullEmptyCmpNe(SimdType x, SimdType y)
  {
    return cmpNe(x, y);
  }

  MCS_FORCE_INLINE MaskType nullEmptyCmpEq(SimdType x, SimdType y)
  {
    return cmpEq(x, y);
  }

  MCS_FORCE_INLINE SimdType setToZero()
  {
    return _mm_setzero_si128();
  }

  // store
  MCS_FORCE_INLINE void storeWMask(SimdType x, SimdType vmask, char* dst)
  {
    _mm_maskmoveu_si128(x, vmask, dst);
  }

  MCS_FORCE_INLINE void store(char* dst, SimdType x)
  {
    _mm_storeu_si128(reinterpret_cast<SimdType*>(dst), x);
  }

  MCS_FORCE_INLINE SimdType blend(SimdType x, SimdType y, SimdType mask) const
  {
    return _mm_blendv_epi8(x, y, mask);
  }

  MCS_FORCE_INLINE SimdType bwAnd(SimdType x, SimdType y) const
  {
    return _mm_and_si128(x, y);
  }

  MCS_FORCE_INLINE SimdType cmpGtSimdType(SimdType x, SimdType y) const
  {
    return _mm_cmpgt_epi16(x, y);
  }

  MCS_FORCE_INLINE SimdType min(SimdType x, SimdType y) const
  {
    return _mm_min_epi16(x, y);
  }

  MCS_FORCE_INLINE SimdType max(SimdType x, SimdType y) const
  {
    return _mm_max_epi16(x, y);
  }
  MCS_FORCE_INLINE MaskType falseMask()
  {
    return MaskType{0x0, 0x0};
  }
  MCS_FORCE_INLINE MaskType trueMask()
  {
    return _mm_set_epi64x(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL);
  }
};

template <typename VT, typename CHECK_T>
class SimdFilterProcessor<VT, CHECK_T,
                          typename std::enable_if<std::is_same<VT, vi128_wr>::value &&
                                                  std::is_same<CHECK_T, uint16_t>::value>::type>
{
 public:
  constexpr static const uint16_t vecByteSize = 16U;
  constexpr static const uint16_t vecBitSize = 128U;
  using T = typename datatypes::WidthToSIntegralType<sizeof(CHECK_T)>::type;
  using SimdWrapperType = simd::vi128_wr;
  using SimdType = simd::vi128_t;
  using FilterType = T;
  using StorageType = T;
  using MaskType = vi128_t;
  // Mask calculation for int and float types differs.
  // See corresponding intrinsics algos for details.
  constexpr static const uint16_t FilterMaskStep = sizeof(T);
  MCS_FORCE_INLINE MaskType maskCtor(const char* inputArray)
  {
    const SimdType byteMaskVec = constant8i<0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07>();
    return _mm_shuffle_epi8(_mm_set1_epi64x(*(int64_t*)inputArray), byteMaskVec);
  }
  // Load value
  MCS_FORCE_INLINE SimdType emptyNullLoadValue(const T fill)
  {
    return loadValue(fill);
  }

  MCS_FORCE_INLINE SimdType loadValue(const T fill)
  {
    return _mm_set1_epi16(fill);
  }

  // Load from
  MCS_FORCE_INLINE SimdType loadFrom(const char* from)
  {
    return _mm_loadu_si128(reinterpret_cast<const SimdType*>(from));
  }

  // Compare
  MCS_FORCE_INLINE MaskType cmpEq(SimdType x, SimdType y)
  {
    return _mm_cmpeq_epi16(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpGe(SimdType x, SimdType y)
  {
    SimdType maxOfTwo = _mm_max_epu16(x, y);  // max(x, y), unsigned
    return _mm_cmpeq_epi16(x, maxOfTwo);
  }

  // MCS_FORCE_INLINE MaskType cmpGE(SimdType x, SimdType y)
  // {
  //   SimdType maxOfTwo = _mm_max_epu16(x, y);  // max(x, y), unsigned
  //   return _mm_cmpeq_epi16(x, maxOfTwo);
  // }

  MCS_FORCE_INLINE MaskType cmpGt(SimdType x, SimdType y)
  {
    return cmpGe(y, x) ^ loadValue(0xFFFF);
  }

  MCS_FORCE_INLINE MaskType cmpLe(SimdType x, SimdType y)
  {
    return cmpGe(y, x);
  }

  // MCS_FORCE_INLINE MaskType cmpLE(SimdType x, SimdType y)
  // {
  //   return cmpGE(y, x);
  // }

  MCS_FORCE_INLINE MaskType cmpLt(SimdType x, SimdType y)
  {
    // auto a = cmpGe(x, y);
    // uint64_t* aRef = (uint64_t*)&a;
    // auto b = loadValue(0xFF);
    // uint64_t* bRef = (uint64_t*)&b;
    // auto c = cmpGe(x, y) ^ loadValue(0xFF);
    // uint64_t* cRef = (uint64_t*)&c;
    // std::cout << " cmpLt cmpGe " << std::hex << aRef[0] << " " << aRef[1] << " loadValue " << bRef[0] << "
    // "
    //           << bRef[1] << " result " << cRef[0] << " " << cRef[1] << std::endl;
    return cmpGe(x, y) ^ loadValue(0xFFFF);
  }

  MCS_FORCE_INLINE MaskType cmpNe(SimdType x, SimdType y)
  {
    return _mm_cmpeq_epi16(x, y) ^ loadValue(0xFFFF);
  }

  MCS_FORCE_INLINE MaskType cmpAlwaysFalse(SimdType x, SimdType y)
  {
    return MaskType{0x0, 0x0};
  }

  MCS_FORCE_INLINE MaskType cmpAlwaysTrue(SimdType x, SimdType y)
  {
    return loadValue(0xFFFF);
  }

  // misc
  MCS_FORCE_INLINE MT convertVectorToBitMask(SimdType vmask)
  {
    return _mm_movemask_epi8(vmask);
  }

  MCS_FORCE_INLINE MaskType nullEmptyCmpNe(SimdType x, SimdType y)
  {
    return cmpNe(x, y);
  }

  MCS_FORCE_INLINE MaskType nullEmptyCmpEq(SimdType x, SimdType y)
  {
    return cmpEq(x, y);
  }

  MCS_FORCE_INLINE SimdType setToZero()
  {
    return _mm_setzero_si128();
  }

  // store
  MCS_FORCE_INLINE void storeWMask(SimdType x, SimdType vmask, char* dst)
  {
    _mm_maskmoveu_si128(x, vmask, dst);
  }

  MCS_FORCE_INLINE void store(char* dst, SimdType x)
  {
    _mm_storeu_si128(reinterpret_cast<SimdType*>(dst), x);
  }

  MCS_FORCE_INLINE SimdType blend(SimdType x, SimdType y, SimdType mask) const
  {
    return _mm_blendv_epi8(x, y, mask);
  }

  MCS_FORCE_INLINE SimdType bwAnd(SimdType x, SimdType y) const
  {
    return _mm_and_si128(x, y);
  }

  MCS_FORCE_INLINE SimdType cmpGtSimdType(SimdType x, SimdType y)
  {
    SimdType ones =
        constant4i<(int32_t)0xFFFFFFFF, (int32_t)0xFFFFFFFF, (int32_t)0xFFFFFFFF, (int32_t)0xFFFFFFFF>();
    SimdType maxOfTwo = _mm_max_epu16(x, y);
    return _mm_xor_si128(_mm_cmpeq_epi16(y, maxOfTwo), ones);
  }

  MCS_FORCE_INLINE SimdType min(SimdType x, SimdType y) const
  {
    return _mm_min_epu16(x, y);
  }

  MCS_FORCE_INLINE SimdType max(SimdType x, SimdType y) const
  {
    return _mm_max_epu16(x, y);
  }
  MCS_FORCE_INLINE MaskType falseMask()
  {
    return MaskType{0x0, 0x0};
  }
  MCS_FORCE_INLINE MaskType trueMask()
  {
    return _mm_set_epi64x(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL);
  }
};

template <typename VT, typename CHECK_T>
class SimdFilterProcessor<
    VT, CHECK_T,
    typename std::enable_if<std::is_same<VT, vi128_wr>::value && std::is_same<CHECK_T, int8_t>::value>::type>
{
 public:
  constexpr static const uint16_t vecByteSize = 16U;
  constexpr static const uint16_t vecBitSize = 128U;
  using T = typename datatypes::WidthToSIntegralType<sizeof(CHECK_T)>::type;
  using SimdWrapperType = vi128_wr;
  using SimdType = vi128_t;
  using FilterType = T;
  using StorageType = T;
  using MaskType = vi128_t;
  // Mask calculation for int and float types differs.
  // See corresponding intrinsics algos for details.
  constexpr static const uint16_t FilterMaskStep = sizeof(T);
  // Load value
  MCS_FORCE_INLINE SimdType emptyNullLoadValue(const T fill)
  {
    return loadValue(fill);
  }

  MCS_FORCE_INLINE SimdType loadValue(const T fill)
  {
    return _mm_set1_epi8(fill);
  }

  // Load from
  MCS_FORCE_INLINE SimdType loadFrom(const char* from)
  {
    return _mm_loadu_si128(reinterpret_cast<const SimdType*>(from));
  }

  // Compare
  MCS_FORCE_INLINE MaskType cmpEq(SimdType x, SimdType y)
  {
    return _mm_cmpeq_epi8(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpGe(SimdType x, SimdType y)
  {
    return cmpLt(x, y) ^ loadValue(0xFF);
  }

  MCS_FORCE_INLINE MaskType cmpGt(SimdType x, SimdType y)
  {
    return _mm_cmpgt_epi8(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpLe(SimdType x, SimdType y)
  {
    return cmpGt(x, y) ^ loadValue(0xFF);
  }

  MCS_FORCE_INLINE MaskType cmpLt(SimdType x, SimdType y)
  {
    return _mm_cmplt_epi8(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpNe(SimdType x, SimdType y)
  {
    return _mm_cmpeq_epi8(x, y) ^ loadValue(0xFF);
  }

  MCS_FORCE_INLINE MaskType cmpAlwaysFalse(SimdType x, SimdType y)
  {
    return MaskType{0x0, 0x0};
  }

  MCS_FORCE_INLINE MaskType cmpAlwaysTrue(SimdType x, SimdType y)
  {
    return loadValue(0xFF);
  }

  // permute
  /* TODO Available in AVX-512
      MCS_FORCE_INLINE SimdType perm8Bits(SimdType x, SimdType idx)
      {
        return _mm_permutexvar_epi8(x, idx);
      }
  */
  // misc
  MCS_FORCE_INLINE MT convertVectorToBitMask(SimdType vmask)
  {
    return _mm_movemask_epi8(vmask);
  }

  MCS_FORCE_INLINE MaskType nullEmptyCmpNe(SimdType x, SimdType y)
  {
    return cmpNe(x, y);
  }

  MCS_FORCE_INLINE MaskType nullEmptyCmpEq(SimdType x, SimdType y)
  {
    return cmpEq(x, y);
  }

  MCS_FORCE_INLINE SimdType setToZero()
  {
    return _mm_setzero_si128();
  }

  // store
  MCS_FORCE_INLINE void storeWMask(SimdType x, SimdType vmask, char* dst)
  {
    _mm_maskmoveu_si128(x, vmask, dst);
  }

  MCS_FORCE_INLINE void store(char* dst, SimdType x)
  {
    _mm_storeu_si128(reinterpret_cast<SimdType*>(dst), x);
  }

  MCS_FORCE_INLINE SimdType blend(SimdType x, SimdType y, SimdType mask) const
  {
    return _mm_blendv_epi8(x, y, mask);
  }

  MCS_FORCE_INLINE SimdType bwAnd(SimdType x, SimdType y) const
  {
    return _mm_and_si128(x, y);
  }

  MCS_FORCE_INLINE SimdType cmpGtSimdType(SimdType x, SimdType y) const
  {
    return _mm_cmpgt_epi8(x, y);
  }

  MCS_FORCE_INLINE SimdType min(SimdType x, SimdType y) const
  {
    return _mm_min_epi8(x, y);
  }

  MCS_FORCE_INLINE SimdType max(SimdType x, SimdType y) const
  {
    return _mm_max_epi8(x, y);
  }
  MCS_FORCE_INLINE MaskType falseMask()
  {
    return MaskType{0x0, 0x0};
  }
  MCS_FORCE_INLINE MaskType trueMask()
  {
    return _mm_set_epi64x(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL);
  }
};

template <typename VT, typename CHECK_T>
class SimdFilterProcessor<
    VT, CHECK_T,
    typename std::enable_if<std::is_same<VT, vi128_wr>::value && std::is_same<CHECK_T, uint8_t>::value>::type>
{
 public:
  constexpr static const uint16_t vecByteSize = 16U;
  constexpr static const uint16_t vecBitSize = 128U;
  using T = typename datatypes::WidthToSIntegralType<sizeof(CHECK_T)>::type;
  using SimdWrapperType = vi128_wr;
  using SimdType = vi128_t;
  using FilterType = T;
  using StorageType = T;
  using MaskType = vi128_t;
  // Mask calculation for int and float types differs.
  // See corresponding intrinsics algos for details.
  constexpr static const uint16_t FilterMaskStep = sizeof(T);
  // Load value
  MCS_FORCE_INLINE SimdType emptyNullLoadValue(const T fill)
  {
    return loadValue(fill);
  }

  MCS_FORCE_INLINE SimdType loadValue(const T fill)
  {
    return _mm_set1_epi8(fill);
  }

  // Load from
  MCS_FORCE_INLINE SimdType loadFrom(const char* from)
  {
    return _mm_loadu_si128(reinterpret_cast<const SimdType*>(from));
  }

  // Compare
  MCS_FORCE_INLINE MaskType cmpEq(SimdType x, SimdType y)
  {
    return _mm_cmpeq_epi8(x, y);
  }

  MCS_FORCE_INLINE MaskType cmpGe(SimdType x, SimdType y)
  {
    SimdType maxOfTwo = _mm_max_epu8(x, y);  // max(x, y), unsigned
    return _mm_cmpeq_epi8(x, maxOfTwo);
  }

  MCS_FORCE_INLINE MaskType cmpGt(SimdType x, SimdType y)
  {
    return cmpGe(y, x) ^ loadValue(0xFF);
  }

  MCS_FORCE_INLINE MaskType cmpLe(SimdType x, SimdType y)
  {
    return cmpGe(y, x);
  }

  MCS_FORCE_INLINE MaskType cmpLt(SimdType x, SimdType y)
  {
    return cmpGe(x, y) ^ loadValue(0xFF);
  }

  MCS_FORCE_INLINE MaskType cmpNe(SimdType x, SimdType y)
  {
    return _mm_cmpeq_epi8(x, y) ^ loadValue(0xFF);
  }

  MCS_FORCE_INLINE MaskType cmpAlwaysFalse(SimdType x, SimdType y)
  {
    return MaskType{0x0, 0x0};
  }

  MCS_FORCE_INLINE MaskType cmpAlwaysTrue(SimdType x, SimdType y)
  {
    return loadValue(0xFF);
  }

  // permute
  /* TODO Available in AVX-512
      MCS_FORCE_INLINE SimdType perm8Bits(SimdType x, SimdType idx)
      {
        return _mm_permutexvar_epi8(x, idx);
      }
  */
  // misc
  MCS_FORCE_INLINE MT convertVectorToBitMask(SimdType vmask)
  {
    return _mm_movemask_epi8(vmask);
  }

  MCS_FORCE_INLINE MaskType nullEmptyCmpNe(SimdType x, SimdType y)
  {
    return cmpNe(x, y);
  }

  MCS_FORCE_INLINE MaskType nullEmptyCmpEq(SimdType x, SimdType y)
  {
    return cmpEq(x, y);
  }

  MCS_FORCE_INLINE SimdType setToZero()
  {
    return _mm_setzero_si128();
  }

  // store
  MCS_FORCE_INLINE void storeWMask(SimdType x, SimdType vmask, char* dst)
  {
    _mm_maskmoveu_si128(x, vmask, dst);
  }

  MCS_FORCE_INLINE void store(char* dst, SimdType x)
  {
    _mm_storeu_si128(reinterpret_cast<SimdType*>(dst), x);
  }

  MCS_FORCE_INLINE SimdType blend(SimdType x, SimdType y, SimdType mask) const
  {
    return _mm_blendv_epi8(x, y, mask);
  }

  MCS_FORCE_INLINE SimdType bwAnd(SimdType x, SimdType y) const
  {
    return _mm_and_si128(x, y);
  }

  MCS_FORCE_INLINE SimdType cmpGtSimdType(SimdType x, SimdType y)
  {
    SimdType ones =
        constant4i<(int32_t)0xFFFFFFFF, (int32_t)0xFFFFFFFF, (int32_t)0xFFFFFFFF, (int32_t)0xFFFFFFFF>();
    SimdType maxOfTwo = _mm_max_epu8(x, y);
    return _mm_xor_si128(_mm_cmpeq_epi8(y, maxOfTwo), ones);
  }

  MCS_FORCE_INLINE SimdType min(SimdType x, SimdType y) const
  {
    return _mm_min_epu8(x, y);
  }

  MCS_FORCE_INLINE SimdType max(SimdType x, SimdType y) const
  {
    return _mm_max_epu8(x, y);
  }
  MCS_FORCE_INLINE MaskType falseMask()
  {
    return MaskType{0x0, 0x0};
  }
  MCS_FORCE_INLINE MaskType trueMask()
  {
    return _mm_set_epi64x(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL);
  }
};

}  // namespace simd

#endif  // if defined(__x86_64__ )