Vc/sse/deinterleave.tcc

/*  This file is part of the Vc library. {{{
Copyright © 2010-2015 Matthias Kretz <kretz@kde.org>

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}}}*/

namespace Vc_VERSIONED_NAMESPACE
{
namespace SSE
{

inline void deinterleave(Vector<float> &a, Vector<float> &b)
{
    const __m128 tmp0 = _mm_unpacklo_ps(a.data(), b.data());
    const __m128 tmp1 = _mm_unpackhi_ps(a.data(), b.data());
    a.data() = _mm_unpacklo_ps(tmp0, tmp1);
    b.data() = _mm_unpackhi_ps(tmp0, tmp1);
}

inline void deinterleave(Vector<float> &a, Vector<float> &b, Vector<short>::AsArg tmp)
{
    a.data() = _mm_cvtepi32_ps(_mm_srai_epi32(_mm_slli_epi32(tmp.data(), 16), 16));
    b.data() = _mm_cvtepi32_ps(_mm_srai_epi32(tmp.data(), 16));
}

inline void deinterleave(Vector<float> &a, Vector<float> &b, Vector<unsigned short>::AsArg tmp)
{
    a.data() = _mm_cvtepi32_ps(_mm_srli_epi32(_mm_slli_epi32(tmp.data(), 16), 16));
    b.data() = _mm_cvtepi32_ps(_mm_srli_epi32(tmp.data(), 16));
}

inline void deinterleave(Vector<double> &a, Vector<double> &b)
{
    __m128d tmp = _mm_unpacklo_pd(a.data(), b.data());
    b.data() = _mm_unpackhi_pd(a.data(), b.data());
    a.data() = tmp;
}

inline void deinterleave(Vector<int> &a, Vector<int> &b)
{
    const __m128i tmp0 = _mm_unpacklo_epi32(a.data(), b.data());
    const __m128i tmp1 = _mm_unpackhi_epi32(a.data(), b.data());
    a.data() = _mm_unpacklo_epi32(tmp0, tmp1);
    b.data() = _mm_unpackhi_epi32(tmp0, tmp1);
}

inline void deinterleave(Vector<unsigned int> &a, Vector<unsigned int> &b)
{
    const __m128i tmp0 = _mm_unpacklo_epi32(a.data(), b.data());
    const __m128i tmp1 = _mm_unpackhi_epi32(a.data(), b.data());
    a.data() = _mm_unpacklo_epi32(tmp0, tmp1);
    b.data() = _mm_unpackhi_epi32(tmp0, tmp1);
}

inline void deinterleave(Vector<short> &a, Vector<short> &b)
{
    __m128i tmp0 = _mm_unpacklo_epi16(a.data(), b.data()); // a0 a4 b0 b4 a1 a5 b1 b5
    __m128i tmp1 = _mm_unpackhi_epi16(a.data(), b.data()); // a2 a6 b2 b6 a3 a7 b3 b7
    __m128i tmp2 = _mm_unpacklo_epi16(tmp0, tmp1); // a0 a2 a4 a6 b0 b2 b4 b6
    __m128i tmp3 = _mm_unpackhi_epi16(tmp0, tmp1); // a1 a3 a5 a7 b1 b3 b5 b7
    a.data() = _mm_unpacklo_epi16(tmp2, tmp3);
    b.data() = _mm_unpackhi_epi16(tmp2, tmp3);
}

inline void deinterleave(Vector<unsigned short> &a, Vector<unsigned short> &b)
{
    __m128i tmp0 = _mm_unpacklo_epi16(a.data(), b.data()); // a0 a4 b0 b4 a1 a5 b1 b5
    __m128i tmp1 = _mm_unpackhi_epi16(a.data(), b.data()); // a2 a6 b2 b6 a3 a7 b3 b7
    __m128i tmp2 = _mm_unpacklo_epi16(tmp0, tmp1); // a0 a2 a4 a6 b0 b2 b4 b6
    __m128i tmp3 = _mm_unpackhi_epi16(tmp0, tmp1); // a1 a3 a5 a7 b1 b3 b5 b7
    a.data() = _mm_unpacklo_epi16(tmp2, tmp3);
    b.data() = _mm_unpackhi_epi16(tmp2, tmp3);
}

inline void deinterleave(Vector<int> &a, Vector<int> &b, Vector<short>::AsArg tmp)
{
    a.data() = _mm_srai_epi32(_mm_slli_epi32(tmp.data(), 16), 16);
    b.data() = _mm_srai_epi32(tmp.data(), 16);
}

inline void deinterleave(Vector<unsigned int> &a, Vector<unsigned int> &b, Vector<unsigned short>::AsArg tmp)
{
    a.data() = _mm_srli_epi32(_mm_slli_epi32(tmp.data(), 16), 16);
    b.data() = _mm_srli_epi32(tmp.data(), 16);
}

}
}
namespace Vc_VERSIONED_NAMESPACE
{
namespace Detail
{
template<typename A> inline void deinterleave(
        SSE::float_v &a, SSE::float_v &b, const float *m, A align)
{
    a.load(m, align);
    b.load(m + SSE::float_v::Size, align);
    Vc::SSE::deinterleave(a, b);
}

template<typename A> inline void deinterleave(
        SSE::float_v &a, SSE::float_v &b, const short *m, A align)
{
    SSE::short_v tmp(m, align);
    Vc::SSE::deinterleave(a, b, tmp);
}

template<typename A> inline void deinterleave(
        SSE::float_v &a, SSE::float_v &b, const unsigned short *m, A align)
{
    SSE::ushort_v tmp(m, align);
    Vc::SSE::deinterleave(a, b, tmp);
}

template<typename A> inline void deinterleave(
        SSE::double_v &a, SSE::double_v &b, const double *m, A align)
{
    a.load(m, align);
    b.load(m + SSE::double_v::Size, align);
    Vc::SSE::deinterleave(a, b);
}

template<typename A> inline void deinterleave(
        SSE::int_v &a, SSE::int_v &b, const int *m, A align)
{
    a.load(m, align);
    b.load(m + SSE::int_v::Size, align);
    Vc::SSE::deinterleave(a, b);
}

template<typename A> inline void deinterleave(
        SSE::int_v &a, SSE::int_v &b, const short *m, A align)
{
    SSE::short_v tmp(m, align);
    Vc::SSE::deinterleave(a, b, tmp);
}

template<typename A> inline void deinterleave(
        SSE::uint_v &a, SSE::uint_v &b, const unsigned int *m, A align)
{
    a.load(m, align);
    b.load(m + SSE::uint_v::Size, align);
    Vc::SSE::deinterleave(a, b);
}

template<typename A> inline void deinterleave(
        SSE::uint_v &a, SSE::uint_v &b, const unsigned short *m, A align)
{
    SSE::ushort_v tmp(m, align);
    Vc::SSE::deinterleave(a, b, tmp);
}

template<typename A> inline void deinterleave(
        SSE::short_v &a, SSE::short_v &b, const short *m, A align)
{
    a.load(m, align);
    b.load(m + SSE::short_v::Size, align);
    Vc::SSE::deinterleave(a, b);
}

template<typename A> inline void deinterleave(
        SSE::ushort_v &a, SSE::ushort_v &b, const unsigned short *m, A align)
{
    a.load(m, align);
    b.load(m + SSE::ushort_v::Size, align);
    Vc::SSE::deinterleave(a, b);
}
}  // namespace Detail
}  // namespace Vc