ShiftRightReg.h

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// ShiftRightReg.h:
// -------------------
//

#ifndef __IPSDKUTIL_INSTRUCTIONSET_LOGICAL_DETAIL_AVX_SHIFTRIGHTREG_H__
#define __IPSDKUTIL_INSTRUCTIONSET_LOGICAL_DETAIL_AVX_SHIFTRIGHTREG_H__

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


namespace ipsdk {
namespace simd {
namespace detail {

template <>
struct ShiftRightReg<eInstructionSet::eIS_Avx, ipInt32>
{
    static IPSDK_FORCEINLINE
    AvxType<ipInt32>::Type
    act(const AvxType<ipInt32>::Type& in,
        ipUInt8 nbBits)
    {
        AvxType<ipInt32>::Type out;
        act(in, nbBits, out);
        return out;
    }

    static IPSDK_FORCEINLINE
    void
    act(const AvxType<ipInt32>::Type& in,
        ipUInt8 nbBits,
        AvxType<ipInt32>::Type& out)
    {
        __m128i in1, in2;
        COPY_IMM_TO_XMM(in, in1, in2);
        in1 = _mm_srai_epi32(in1, nbBits);
        in2 = _mm_srai_epi32(in2, nbBits);
        COPY_XMM_TO_IMM(in1, in2, out);
    }
};


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

#endif // __IPSDKUTIL_INSTRUCTIONSET_LOGICAL_DETAIL_AVX_SHIFTRIGHTPACK_H__