diff options
Diffstat (limited to 'extern/Eigen3/Eigen/src/Core/Assign.h')
| -rw-r--r-- | extern/Eigen3/Eigen/src/Core/Assign.h | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/extern/Eigen3/Eigen/src/Core/Assign.h b/extern/Eigen3/Eigen/src/Core/Assign.h index 1dccc2f4212..f4817317279 100644 --- a/extern/Eigen3/Eigen/src/Core/Assign.h +++ b/extern/Eigen3/Eigen/src/Core/Assign.h @@ -439,19 +439,26 @@ struct assign_impl<Derived1, Derived2, SliceVectorizedTraversal, NoUnrolling, Ve typedef typename Derived1::Index Index; static inline void run(Derived1 &dst, const Derived2 &src) { - typedef packet_traits<typename Derived1::Scalar> PacketTraits; + typedef typename Derived1::Scalar Scalar; + typedef packet_traits<Scalar> PacketTraits; enum { packetSize = PacketTraits::size, alignable = PacketTraits::AlignedOnScalar, - dstAlignment = alignable ? Aligned : int(assign_traits<Derived1,Derived2>::DstIsAligned) , + dstIsAligned = assign_traits<Derived1,Derived2>::DstIsAligned, + dstAlignment = alignable ? Aligned : int(dstIsAligned), srcAlignment = assign_traits<Derived1,Derived2>::JointAlignment }; + const Scalar *dst_ptr = &dst.coeffRef(0,0); + if((!bool(dstIsAligned)) && (size_t(dst_ptr) % sizeof(Scalar))>0) + { + // the pointer is not aligend-on scalar, so alignment is not possible + return assign_impl<Derived1,Derived2,DefaultTraversal,NoUnrolling>::run(dst, src); + } const Index packetAlignedMask = packetSize - 1; const Index innerSize = dst.innerSize(); const Index outerSize = dst.outerSize(); const Index alignedStep = alignable ? (packetSize - dst.outerStride() % packetSize) & packetAlignedMask : 0; - Index alignedStart = ((!alignable) || assign_traits<Derived1,Derived2>::DstIsAligned) ? 0 - : internal::first_aligned(&dst.coeffRef(0,0), innerSize); + Index alignedStart = ((!alignable) || bool(dstIsAligned)) ? 0 : internal::first_aligned(dst_ptr, innerSize); for(Index outer = 0; outer < outerSize; ++outer) { |