Files
clang-p2996/libcxx/include/experimental/__simd/reference.h
Zhangyin e7a45c6d76 [libcxx] <experimental/simd> Added internal storage type, constructors, subscript operators of class simd/simd_mask and related tests
[libcxx] <experimental/simd> Added internal storage type for class simd/simd_mask
[libcxx] <experimental/simd> Added all constructors of class simd/simd_mask and related tests
[libcxx] <experimental/simd> Added basic simd reference implementation, subscript operators of class simd/simd_mask and related tests

Reviewed By: #libc, philnik

Differential Revision: https://reviews.llvm.org/D144364
2023-09-12 11:41:46 +08:00

50 lines
1.4 KiB
C++

// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_EXPERIMENTAL___SIMD_REFERENCE_H
#define _LIBCPP_EXPERIMENTAL___SIMD_REFERENCE_H
#include <experimental/__simd/utility.h>
#if _LIBCPP_STD_VER >= 17 && defined(_LIBCPP_ENABLE_EXPERIMENTAL)
_LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL
inline namespace parallelism_v2 {
template <class _Tp, class _Storage, class _Vp>
class __simd_reference {
template <class, class>
friend class simd;
template <class, class>
friend class simd_mask;
_Storage& __s_;
size_t __idx_;
_LIBCPP_HIDE_FROM_ABI _Vp __get() const { return __s_.__get(__idx_); }
_LIBCPP_HIDE_FROM_ABI void __set(_Vp __v) {
if constexpr (is_same_v<_Vp, bool>)
__s_.__set(__idx_, experimental::__set_all_bits<_Tp>(__v));
else
__s_.__set(__idx_, __v);
}
public:
using value_type = _Vp;
__simd_reference() = delete;
__simd_reference(const __simd_reference&) = delete;
};
} // namespace parallelism_v2
_LIBCPP_END_NAMESPACE_EXPERIMENTAL
#endif // _LIBCPP_STD_VER >= 17 && defined(_LIBCPP_ENABLE_EXPERIMENTAL)
#endif // _LIBCPP_EXPERIMENTAL___SIMD_REFERENCE_H