BitwiseSelectReg.h

Go to the documentation of this file.

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

#ifndef __IPSDKUTIL_INSTRUCTIONSET_LOGICAL_DETAIL_SSE2_BITWISESELECTREG_H__
#define __IPSDKUTIL_INSTRUCTIONSET_LOGICAL_DETAIL_SSE2_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/Logical/detail/BitwiseSelectReg.h>
#include <IPSDKUtil/Tools/ForceInline.h>

namespace ipsdk {
namespace simd {
namespace detail {


template <typename T>
struct BitwiseSelectReg<eInstructionSet::eIS_Sse2, T>
{
    static IPSDK_FORCEINLINE
    typename Sse2Type<T>::Type
    act(const typename Sse2Type<T>::Type& mask,
        const typename Sse2Type<T>::Type& in1,
        const typename Sse2Type<T>::Type& in2)
    {
        typename Sse2Type<T>::Type in2AndNotMask =
            BitwiseAndNotReg<eInstructionSet::eIS_Sse2, T>::act(in2, mask);

        typename Sse2Type<T>::Type out =
            BitwiseOrReg<eInstructionSet::eIS_Sse2, T>::act(
                BitwiseAndReg<eInstructionSet::eIS_Sse2, T>::act(in1, mask),
                in2AndNotMask);

        return out;
    }

    static IPSDK_FORCEINLINE
    void
    act(const typename Sse2Type<T>::Type& mask,
        const typename Sse2Type<T>::Type& in1,
        const typename Sse2Type<T>::Type& in2,
        typename Sse2Type<T>::Type& out)
    {
        typename Sse2Type<T>::Type in2AndNotMask, in1AndMask;
        BitwiseAndNotReg<eInstructionSet::eIS_Sse2, T>::act(in2, mask, in2AndNotMask);
        BitwiseAndReg<eInstructionSet::eIS_Sse2, T>::act(in1, mask, in1AndMask);
        BitwiseOrReg<eInstructionSet::eIS_Sse2, T>::act(in1AndMask, in2AndNotMask, out);
    }
};


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

#endif // __IPSDKUTIL_INSTRUCTIONSET_LOGICAL_DETAIL_SSE2_BITWISESELECTREG_H__