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masked load/store framework

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This commit is contained in:
Charles Schlosser
2025-04-12 00:31:10 +00:00
parent cebe09110c
commit 28c3b26d53
17 changed files with 1363 additions and 177 deletions
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6
Eigen/src/Core/util/ForwardDeclarations.h
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@@ -514,6 +514,12 @@ template <typename Xpr>
struct eigen_memset_helper;
template <typename Xpr, bool use_memset = eigen_memset_helper<Xpr>::value>
struct eigen_zero_impl;
template <typename Packet>
struct has_packet_segment : std::false_type {};
template <typename Xpr>
struct enable_packet_segment : std::true_type {};
} // namespace internal
} // end namespace Eigen

8
Eigen/src/Core/util/Meta.h
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@@ -90,12 +90,8 @@ namespace internal {
* we however don't want to add a dependency to Boost.
*/
struct true_type {
enum { value = 1 };
};
struct false_type {
enum { value = 0 };
};
using std::false_type;
using std::true_type;
template <bool Condition>
struct bool_constant;

21
Eigen/src/Core/util/XprHelper.h
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@@ -996,6 +996,27 @@ struct is_matrix_base_xpr : std::is_base_of<MatrixBase<remove_all_t<XprType>>, r
template <typename XprType>
struct is_permutation_base_xpr : std::is_base_of<PermutationBase<remove_all_t<XprType>>, remove_all_t<XprType>> {};
/*---------------- load/store segment support ----------------*/
// recursively traverse unary, binary, and ternary expressions to determine if packet segments are supported
template <typename Func, typename Xpr>
struct enable_packet_segment<CwiseNullaryOp<Func, Xpr>> : enable_packet_segment<remove_all_t<Xpr>> {};
template <typename Func, typename Xpr>
struct enable_packet_segment<CwiseUnaryOp<Func, Xpr>> : enable_packet_segment<remove_all_t<Xpr>> {};
template <typename Func, typename LhsXpr, typename RhsXpr>
struct enable_packet_segment<CwiseBinaryOp<Func, LhsXpr, RhsXpr>>
: bool_constant<enable_packet_segment<remove_all_t<LhsXpr>>::value &&
enable_packet_segment<remove_all_t<RhsXpr>>::value> {};
template <typename Func, typename LhsXpr, typename MidXpr, typename RhsXpr>
struct enable_packet_segment<CwiseTernaryOp<Func, LhsXpr, MidXpr, RhsXpr>>
: bool_constant<enable_packet_segment<remove_all_t<LhsXpr>>::value &&
enable_packet_segment<remove_all_t<MidXpr>>::value &&
enable_packet_segment<remove_all_t<RhsXpr>>::value> {};
} // end namespace internal
/** \class ScalarBinaryOpTraits