BitwiseSelectReg.h

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// BitwiseSelectReg.h:
// -------------------
//

#ifndef __IPSDKUTIL_INSTRUCTIONSET_LOGICAL_DETAIL_AVX_BITWISESELECTREG_H__
#define __IPSDKUTIL_INSTRUCTIONSET_LOGICAL_DETAIL_AVX_BITWISESELECTREG_H__

#include <IPSDKUtil/IPSDKUtilExports.h>
#include <IPSDKUtil/InstructionSet/Logical/bitwiseAnd.h>
#include <IPSDKUtil/InstructionSet/Logical/bitwiseAndNot.h>
#include <IPSDKUtil/InstructionSet/Logical/bitwiseOr.h>
#include <IPSDKUtil/InstructionSet/detail/AVX/Reg128_256ConvertTools.h>
#include <IPSDKUtil/Tools/ForceInline.h>

namespace ipsdk {
namespace simd {
namespace detail {


template <typename T>
struct BitwiseSelectReg<eInstructionSet::eIS_Avx, T, typename boost::enable_if<typename boost::is_integral<T>::type>::type>
{
    static IPSDK_FORCEINLINE
    typename AvxType<T>::Type
    act(const typename AvxType<T>::Type& mask,
        const typename AvxType<T>::Type& in1,
        const typename AvxType<T>::Type& in2)    
    {
        typename AvxType<T>::Type in2AndNotMask =
            BitwiseAndNotReg<eInstructionSet::eIS_Avx, T>::act(in2, mask);

        typename AvxType<T>::Type out =
            BitwiseOrReg<eInstructionSet::eIS_Avx, T>::act(
                BitwiseAndReg<eInstructionSet::eIS_Avx, T>::act(in1, mask),
                in2AndNotMask);

        return out;
    }

    static IPSDK_FORCEINLINE
    void
    act(const typename AvxType<T>::Type& mask,
        const typename AvxType<T>::Type& in1,
        const typename AvxType<T>::Type& in2,
        typename AvxType<T>::Type& out)
    {
        typename AvxType<T>::Type in1AndMask, in2AndNotMask;
        BitwiseAndNotReg<eInstructionSet::eIS_Avx, T>::act(in2, mask,
            in2AndNotMask);
        BitwiseAndReg<eInstructionSet::eIS_Avx, T>::act(in1, mask, in1AndMask);
        BitwiseOrReg<eInstructionSet::eIS_Avx, T>::act(in1AndMask, in2AndNotMask,
            out);
    }
};

template <>
struct BitwiseSelectReg<eInstructionSet::eIS_Avx, ipReal32>
{
    static IPSDK_FORCEINLINE
        AvxType<ipReal32>::Type
        act(const AvxType<ipReal32>::Type& mask,
            const AvxType<ipReal32>::Type& in1,
            const AvxType<ipReal32>::Type& in2)
    {
        AvxType<ipReal32>::Type out =
            _mm256_blendv_ps(in2, in1, mask);
        return out;
    }

    static IPSDK_FORCEINLINE
        void
        act(const AvxType<ipReal32>::Type& mask,
            const AvxType<ipReal32>::Type& in1,
            const AvxType<ipReal32>::Type& in2,
            AvxType<ipReal32>::Type& out)
    {
        out = _mm256_blendv_ps(in2, in1, mask);;
    }
};

template <>
struct BitwiseSelectReg<eInstructionSet::eIS_Avx, ipReal64>
{
    static IPSDK_FORCEINLINE
        AvxType<ipReal64>::Type
        act(const AvxType<ipReal64>::Type& mask,
            const AvxType<ipReal64>::Type& in1,
            const AvxType<ipReal64>::Type& in2)
    {
        AvxType<ipReal64>::Type out =
            _mm256_blendv_pd(in2, in1, mask);
        return out;
    }

    static IPSDK_FORCEINLINE
        void
        act(const AvxType<ipReal64>::Type& mask,
            const AvxType<ipReal64>::Type& in1,
            const AvxType<ipReal64>::Type& in2,
            AvxType<ipReal64>::Type& out)
    {
        out = _mm256_blendv_pd(in2, in1, mask);
    }
};


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

#endif // __IPSDKUTIL_INSTRUCTIONSET_LOGICAL_DETAIL_AVX_BITWISESELECTREG_H__