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Add pinsertfirst function and implement pinsertlast for complex on SSE/AVX.

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This commit is contained in:
Gael Guennebaud
2016-11-02 10:38:13 +01:00
parent e44519744e
commit 598de8b193
6 changed files with 100 additions and 2 deletions
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20
Eigen/src/Core/arch/SSE/Complex.h
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@@ -476,6 +476,26 @@ template<> EIGEN_STRONG_INLINE Packet2cf pblend(const Selector<2>& ifPacket, co
return Packet2cf(_mm_castpd_ps(result));
}
template<> EIGEN_STRONG_INLINE Packet2cf pinsertfirst(const Packet2cf& a, std::complex<float> b)
{
return Packet2cf(_mm_loadl_pi(a.v, reinterpret_cast<const __m64*>(&b)));
}
template<> EIGEN_STRONG_INLINE Packet1cd pinsertfirst(const Packet1cd&, std::complex<double> b)
{
return pset1<Packet1cd>(b);
}
template<> EIGEN_STRONG_INLINE Packet2cf pinsertlast(const Packet2cf& a, std::complex<float> b)
{
return Packet2cf(_mm_loadh_pi(a.v, reinterpret_cast<const __m64*>(&b)));
}
template<> EIGEN_STRONG_INLINE Packet1cd pinsertlast(const Packet1cd&, std::complex<double> b)
{
return pset1<Packet1cd>(b);
}
} // end namespace internal
} // end namespace Eigen

18
Eigen/src/Core/arch/SSE/PacketMath.h
View File

@@ -818,6 +818,24 @@ template<> EIGEN_STRONG_INLINE Packet2d pblend(const Selector<2>& ifPacket, cons
#endif
}
template<> EIGEN_STRONG_INLINE Packet4f pinsertfirst(const Packet4f& a, float b)
{
#ifdef EIGEN_VECTORIZE_SSE4_1
return _mm_blend_ps(a,pset1<Packet4f>(b),1);
#else
return _mm_move_ss(a, _mm_load_ss(&b));
#endif
}
template<> EIGEN_STRONG_INLINE Packet2d pinsertfirst(const Packet2d& a, double b)
{
#ifdef EIGEN_VECTORIZE_SSE4_1
return _mm_blend_pd(a,pset1<Packet2d>(b),1);
#else
return _mm_move_sd(a, _mm_load_sd(&b));
#endif
}
template<> EIGEN_STRONG_INLINE Packet4f pinsertlast(const Packet4f& a, float b)
{
#ifdef EIGEN_VECTORIZE_SSE4_1