BitwiseCastReg.h

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// BitwiseCastReg.h:
// ------------
//

#ifndef __IPSDKUTIL_INSTRUCTIONSET_DETAIL_AVX2_BITWISECASTREG_H__
#define __IPSDKUTIL_INSTRUCTIONSET_DETAIL_AVX2_BITWISECASTREG_H__

#include <IPSDKUtil/IPSDKUtilExports.h>
#include <IPSDKUtil/InstructionSet/detail/BitwiseCastReg.h>
#include <IPSDKUtil/InstructionSet/AVX/AvxTypes.h>
#include <IPSDKUtil/Tools/ForceInline.h>

#include <boost/mpl/and.hpp>
#include <boost/mpl/sizeof.hpp>

namespace ipsdk {
namespace simd {
namespace detail {


template <typename TIn>
struct BitwiseCastReg<
    eInstructionSet::eIS_Avx2,
    TIn,
    ipReal32,
    typename boost::enable_if<
        typename boost::mpl::and_<
            typename boost::mpl::equal_to<
                boost::mpl::sizeof_<TIn>,
                boost::mpl::int_<4>
            >::type,
            typename boost::is_integral<TIn>::type
        >::type
    >::type
>
{
    
    static IPSDK_FORCEINLINE
    typename AvxType<ipReal32>::Type
    act(const typename AvxType<TIn>::Type& in)
    {
        return _mm256_castsi256_ps(in);
    }

    static IPSDK_FORCEINLINE
    void
    act(const typename AvxType<TIn>::Type& in,
        typename AvxType<ipReal32>::Type& out)
    {
        out = _mm256_castsi256_ps(in);
    }
};

template <typename TOut>
struct BitwiseCastReg<eInstructionSet::eIS_Avx2,
    ipReal32,
    TOut,
    typename boost::enable_if<
        typename boost::mpl::and_<
            typename boost::mpl::equal_to<
                boost::mpl::sizeof_<TOut>,
                boost::mpl::int_<4>
            >::type,
            typename boost::is_integral<TOut>::type
        >::type
    >::type
>
{
    
    static IPSDK_FORCEINLINE
    typename AvxType<TOut>::Type act(const typename AvxType<ipReal32>::Type& in)
    {
        return _mm256_castps_si256(in);
    }

    static IPSDK_FORCEINLINE
    void
    act(const typename AvxType<ipReal32>::Type& in,
        typename AvxType<TOut>::Type& out)
    {
        out = _mm256_castps_si256(in);
    }
};

template <typename TIn>
struct BitwiseCastReg<
    eInstructionSet::eIS_Avx2,
    TIn,
    ipReal64,
    typename boost::enable_if<
        typename boost::mpl::and_<
            typename boost::mpl::equal_to<
                boost::mpl::sizeof_<TIn>,
                boost::mpl::int_<8>
            >::type,
            typename boost::is_integral<TIn>::type
        >::type
    >::type
>
{
    
    static IPSDK_FORCEINLINE
    typename AvxType<ipReal64>::Type
    act(const typename AvxType<TIn>::Type& in)
    {
        return _mm256_castsi256_pd(in);
    }

    static IPSDK_FORCEINLINE
    void
    act(const typename AvxType<TIn>::Type& in,
        typename AvxType<ipReal64>::Type& out)
    {
        out = _mm256_castsi256_pd(in);
    }
};

template <typename TOut>
struct BitwiseCastReg<eInstructionSet::eIS_Avx2,
    ipReal64,
    TOut,
    typename boost::enable_if<
        typename boost::mpl::and_<
            typename boost::mpl::equal_to<
                boost::mpl::sizeof_<TOut>,
                boost::mpl::int_<8>
            >::type,
            typename boost::is_integral<TOut>::type
        >::type
    >::type
>
{
    
    static IPSDK_FORCEINLINE
    typename AvxType<TOut>::Type act(const typename AvxType<ipReal64>::Type& in)
    {
        return _mm256_castpd_si256(in);
    }

    static IPSDK_FORCEINLINE
    void
    act(const typename AvxType<ipReal64>::Type& in,
        typename AvxType<TOut>::Type& out)
    {
        out = _mm256_castpd_si256(in);
    }
};

} // end of namespace detail
} // end of namespace simd
} // end of namespace ipsdk

#endif // __IPSDKUTIL_INSTRUCTIONSET_DETAIL_AVX2_BITWISECASTREG_H__