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Suppress Warray-bounds warning in generic ploaduSegment, fix edge case for vectorized cast

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This commit is contained in:
Charles Schlosser
2025-07-23 22:26:40 +00:00
parent abeba85356
commit 1e65707aa2
3 changed files with 26 additions and 7 deletions
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11
Eigen/src/Core/GenericPacketMath.h
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@@ -1596,9 +1596,10 @@ EIGEN_DEVICE_FUNC inline Packet ploaduSegment(const typename unpacket_traits<Pac
using Scalar = typename unpacket_traits<Packet>::type;
constexpr Index PacketSize = unpacket_traits<Packet>::size;
eigen_assert((begin >= 0 && count >= 0 && begin + count <= PacketSize) && "invalid range");
Scalar aux[PacketSize];
memset(static_cast<void*>(aux), 0x00, sizeof(Scalar) * PacketSize);
smart_copy(from + begin, from + begin + count, aux + begin);
Scalar aux[PacketSize] = {};
for (Index k = begin; k < begin + count; k++) {
aux[k] = from[k];
}
return ploadu<Packet>(aux);
}
@@ -1619,7 +1620,9 @@ EIGEN_DEVICE_FUNC inline void pstoreuSegment(Scalar* to, const Packet& from, Ind
eigen_assert((begin >= 0 && count >= 0 && begin + count <= PacketSize) && "invalid range");
Scalar aux[PacketSize];
pstoreu<Scalar, Packet>(aux, from);
smart_copy(aux + begin, aux + begin + count, to + begin);
for (Index k = begin; k < begin + count; k++) {
to[k] = aux[k];
}
}
/** \internal copy the packet \a from in the range [begin, begin + count) to \a *to.