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| author | ZhangYin <zhangyin2018@iscas.ac.cn> | 2024-06-23 12:51:02 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-06-23 12:51:02 +0800 |
| commit | 6ec1ddfd72656cbf8e4185239175e52d50e0f4a3 (patch) | |
| tree | 82c6c46e19ceab90e2e1d992d2f3c9d1e02b153d /libcxx/include | |
| parent | 95f983f8239c071712cc42d0d54d3ebfa7c32a22 (diff) | |
| download | llvm-6ec1ddfd72656cbf8e4185239175e52d50e0f4a3.zip llvm-6ec1ddfd72656cbf8e4185239175e52d50e0f4a3.tar.gz llvm-6ec1ddfd72656cbf8e4185239175e52d50e0f4a3.tar.bz2 | |
[libc++] <experimental/simd> Add swap functions of simd reference (#86478)
Diffstat (limited to 'libcxx/include')
| -rw-r--r-- | libcxx/include/experimental/__simd/reference.h | 41 | ||||
| -rw-r--r-- | libcxx/include/experimental/simd | 1 |
2 files changed, 42 insertions, 0 deletions
diff --git a/libcxx/include/experimental/__simd/reference.h b/libcxx/include/experimental/__simd/reference.h index 7efbba9..af61dbc 100644 --- a/libcxx/include/experimental/__simd/reference.h +++ b/libcxx/include/experimental/__simd/reference.h @@ -13,10 +13,14 @@ #include <__type_traits/is_assignable.h> #include <__type_traits/is_same.h> #include <__utility/forward.h> +#include <__utility/move.h> #include <cstddef> #include <experimental/__config> #include <experimental/__simd/utility.h> +_LIBCPP_PUSH_MACROS +#include <__undef_macros> + #if _LIBCPP_STD_VER >= 17 && defined(_LIBCPP_ENABLE_EXPERIMENTAL) _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL @@ -55,10 +59,47 @@ public: __set(static_cast<value_type>(std::forward<_Up>(__v))); return {__s_, __idx_}; } + + // Note: This approach might not fully align with the specification, + // which might be a wording defect. (https://wg21.link/N4808 section 9.6.3) + template <class _Tp1, class _Storage1, class _Vp1> + friend void + swap(__simd_reference<_Tp1, _Storage1, _Vp1>&& __a, __simd_reference<_Tp1, _Storage1, _Vp1>&& __b) noexcept; + + template <class _Tp1, class _Storage1, class _Vp1> + friend void swap(_Vp1& __a, __simd_reference<_Tp1, _Storage1, _Vp1>&& __b) noexcept; + + template <class _Tp1, class _Storage1, class _Vp1> + friend void swap(__simd_reference<_Tp1, _Storage1, _Vp1>&& __a, _Vp1& __b) noexcept; }; +template <class _Tp, class _Storage, class _Vp> +_LIBCPP_HIDE_FROM_ABI void +swap(__simd_reference<_Tp, _Storage, _Vp>&& __a, __simd_reference<_Tp, _Storage, _Vp>&& __b) noexcept { + _Vp __tmp(std::move(__a)); + std::move(__a) = std::move(__b); + std::move(__b) = std::move(__tmp); +} + +template <class _Tp, class _Storage, class _Vp> +_LIBCPP_HIDE_FROM_ABI void swap(_Vp& __a, __simd_reference<_Tp, _Storage, _Vp>&& __b) noexcept { + _Vp __tmp(std::move(__a)); + __a = std::move(__b); + std::move(__b) = std::move(__tmp); +} + +template <class _Tp, class _Storage, class _Vp> +_LIBCPP_HIDE_FROM_ABI void swap(__simd_reference<_Tp, _Storage, _Vp>&& __a, _Vp& __b) noexcept { + _Vp __tmp(std::move(__a)); + std::move(__a) = std::move(__b); + __b = std::move(__tmp); +} + } // namespace parallelism_v2 _LIBCPP_END_NAMESPACE_EXPERIMENTAL #endif // _LIBCPP_STD_VER >= 17 && defined(_LIBCPP_ENABLE_EXPERIMENTAL) + +_LIBCPP_POP_MACROS + #endif // _LIBCPP_EXPERIMENTAL___SIMD_REFERENCE_H diff --git a/libcxx/include/experimental/simd b/libcxx/include/experimental/simd index fad6431..484543b 100644 --- a/libcxx/include/experimental/simd +++ b/libcxx/include/experimental/simd @@ -78,6 +78,7 @@ inline namespace parallelism_v2 { #include <experimental/__config> #include <experimental/__simd/aligned_tag.h> #include <experimental/__simd/declaration.h> +#include <experimental/__simd/reference.h> #include <experimental/__simd/scalar.h> #include <experimental/__simd/simd.h> #include <experimental/__simd/simd_mask.h> |