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explicitely disable vectorization for mixed coeff based products

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Gael Guennebaud 2010-07-19 23:28:57 +02:00
parent 08c841eb87
commit 8b0b121c9e
1 changed files with 4 additions and 1 deletions
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5
Eigen/src/Core/products/CoeffBasedProduct.h
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@ -73,6 +73,8 @@ struct ei_traits<CoeffBasedProduct<LhsNested,RhsNested,NestingFlags> >
LhsRowMajor = LhsFlags & RowMajorBit, LhsRowMajor = LhsFlags & RowMajorBit,
RhsRowMajor = RhsFlags & RowMajorBit, RhsRowMajor = RhsFlags & RowMajorBit,
SameType = ei_is_same_type<typename _LhsNested::Scalar,typename _RhsNested::Scalar>::ret,
CanVectorizeRhs = RhsRowMajor && (RhsFlags & PacketAccessBit) CanVectorizeRhs = RhsRowMajor && (RhsFlags & PacketAccessBit)
&& (ColsAtCompileTime == Dynamic && (ColsAtCompileTime == Dynamic
|| ( (ColsAtCompileTime % ei_packet_traits<Scalar>::size) == 0 || ( (ColsAtCompileTime % ei_packet_traits<Scalar>::size) == 0
@ -94,7 +96,8 @@ struct ei_traits<CoeffBasedProduct<LhsNested,RhsNested,NestingFlags> >
Flags = ((unsigned int)(LhsFlags | RhsFlags) & HereditaryBits & ~RowMajorBit) Flags = ((unsigned int)(LhsFlags | RhsFlags) & HereditaryBits & ~RowMajorBit)
| (EvalToRowMajor ? RowMajorBit : 0) | (EvalToRowMajor ? RowMajorBit : 0)
| NestingFlags | NestingFlags
| (CanVectorizeLhs || CanVectorizeRhs ? PacketAccessBit : 0), // TODO enable vectorization for mixed types
| (SameType && (CanVectorizeLhs || CanVectorizeRhs) ? PacketAccessBit : 0),
CoeffReadCost = InnerSize == Dynamic ? Dynamic CoeffReadCost = InnerSize == Dynamic ? Dynamic
: InnerSize * (NumTraits<Scalar>::MulCost + LhsCoeffReadCost + RhsCoeffReadCost) : InnerSize * (NumTraits<Scalar>::MulCost + LhsCoeffReadCost + RhsCoeffReadCost)