UnaryMinusReg.h

Go to the documentation of this file.

// UnaryMinusReg.h:
// -------------------
//

#ifndef __IPSDKUTIL_INSTRUCTIONSET_ARITHMETIC_DETAIL_AVX_UNARYMINUSREG_H__
#define __IPSDKUTIL_INSTRUCTIONSET_ARITHMETIC_DETAIL_AVX_UNARYMINUSREG_H__

#include <IPSDKUtil/IPSDKUtilExports.h>
#include <IPSDKUtil/InstructionSet/AVX/AvxTypes.h>
#include <IPSDKUtil/InstructionSet/Arithmetic/sub.h>
#include <IPSDKUtil/InstructionSet/assign.h>
#include <IPSDKUtil/Tools/ForceInline.h>

namespace ipsdk {
namespace simd {
namespace detail {


template <typename T>
struct UnaryMinusReg<eInstructionSet::eIS_Avx, T,
                         typename boost::enable_if_c<true>::type
                        >
{
    static IPSDK_FORCEINLINE
    typename AvxType<T>::Type
    act(const typename AvxType<T>::Type& in)
    {
        const typename AvxType<T>::Type zero =
            AssignReg<eInstructionSet::eIS_Avx, T>::act(0);
        return SubReg<eInstructionSet::eIS_Avx, T>::act(zero, in);
    }

    static IPSDK_FORCEINLINE
    void
    act(const typename AvxType<T>::Type& in, typename AvxType<T>::Type& out)
    {
        typename AvxType<T>::Type zero;
        AssignReg<eInstructionSet::eIS_Avx, T>::act(zero, 0);
        SubReg<eInstructionSet::eIS_Avx, T>::act(zero, in, out);
    }
};


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

#endif // __IPSDKUTIL_INSTRUCTIONSET_ARITHMETIC_DETAIL_AVX_UNARYMINUSREG_H__