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Fix assign vectorization logic with respect to fixed outer-stride

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This commit is contained in:
Gael Guennebaud 2015-10-27 11:04:19 +01:00
parent 0fc8954282
commit 12f50a4697
1 changed files with 4 additions and 1 deletions
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5
Eigen/src/Core/AssignEvaluator.h
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@ -54,6 +54,7 @@ private:
InnerMaxSize = int(Dst::IsVectorAtCompileTime) ? int(Dst::MaxSizeAtCompileTime)
: int(DstFlags)&RowMajorBit ? int(Dst::MaxColsAtCompileTime)
: int(Dst::MaxRowsAtCompileTime),
OuterStride = int(outer_stride_at_compile_time<Dst>::ret),
MaxSizeAtCompileTime = Dst::SizeAtCompileTime,
PacketSize = unpacket_traits<PacketType>::size
};
@ -65,7 +66,9 @@ private:
MightVectorize = StorageOrdersAgree
&& (int(DstFlags) & int(SrcFlags) & ActualPacketAccessBit)
&& (functor_traits<AssignFunc>::PacketAccess),
MayInnerVectorize = MightVectorize && int(InnerSize)!=Dynamic && int(InnerSize)%int(PacketSize)==0
MayInnerVectorize = MightVectorize
&& int(InnerSize)!=Dynamic && int(InnerSize)%int(PacketSize)==0
&& int(OuterStride)!=Dynamic && int(OuterStride)%int(PacketSize)==0
&& int(JointAlignment)>=int(RequiredAlignment),
MayLinearize = StorageOrdersAgree && (int(DstFlags) & int(SrcFlags) & LinearAccessBit),
MayLinearVectorize = MightVectorize && MayLinearize && DstHasDirectAccess