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Created the pblend packet primitive and implemented it using SSE and AVX instructions.

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This commit is contained in:
Benoit Steiner
2014-06-06 20:18:44 -07:00
parent 79085e08e9
commit 29aebf96e6
5 changed files with 90 additions and 4 deletions
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8
Eigen/src/Core/arch/SSE/Complex.h
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@@ -44,7 +44,8 @@ template<> struct packet_traits<std::complex<float> > : default_packet_traits
HasAbs2 = 0,
HasMin = 0,
HasMax = 0,
HasSetLinear = 0
HasSetLinear = 0,
HasBlend = 1
};
};
#endif
@@ -472,6 +473,11 @@ ptranspose(PacketBlock<Packet2cf,2>& kernel) {
kernel.packet[1].v = tmp;
}
template<> EIGEN_STRONG_INLINE Packet2cf pblend(const Selector<2>& ifPacket, const Packet2cf& thenPacket, const Packet2cf& elsePacket) {
__m128d result = pblend(ifPacket, _mm_castps_pd(thenPacket.v), _mm_castps_pd(elsePacket.v));
return Packet2cf(_mm_castpd_ps(result));
}
} // end namespace internal
} // end namespace Eigen