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bug #256: enable vectorization with unaligned loads/stores.

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This concerns all architectures and all sizes.
This new behavior can be disabled by defining EIGEN_UNALIGNED_VECTORIZE=0
This commit is contained in:
Gael Guennebaud
2016-05-24 21:54:03 +02:00
parent 78390e4189
commit e68e165a23
4 changed files with 59 additions and 19 deletions
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2
Eigen/src/Core/Matrix.h
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@@ -27,7 +27,7 @@ private:
default_alignment = compute_default_alignment<_Scalar,max_size>::value,
actual_alignment = ((_Options&DontAlign)==0) ? default_alignment : 0,
required_alignment = unpacket_traits<PacketScalar>::alignment,
packet_access_bit = packet_traits<_Scalar>::Vectorizable && (actual_alignment>=required_alignment) ? PacketAccessBit : 0
packet_access_bit = (packet_traits<_Scalar>::Vectorizable && (EIGEN_UNALIGNED_VECTORIZE || (actual_alignment>=required_alignment))) ? PacketAccessBit : 0
};
public: