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// -*- 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_SIMD_MASK_H
#define _LIBCPP_EXPERIMENTAL___SIMD_SIMD_MASK_H
#include <experimental/__simd/abi_tag.h>
#include <experimental/__simd/declaration.h>
#include <experimental/__simd/reference.h>
#include <experimental/__simd/scalar.h>
#include <experimental/__simd/vec_ext.h>
#if _LIBCPP_STD_VER >= 17 && defined(_LIBCPP_ENABLE_EXPERIMENTAL)
_LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL
inline namespace parallelism_v2 {
// class template simd_mask [simd.mask.class]
// TODO: implement simd_mask class
template <class _Tp, class _Abi>
class simd_mask {
using _Impl = __mask_operations<_Tp, _Abi>;
using _Storage = typename _Impl::_MaskStorage;
_Storage __s_;
public:
using value_type = bool;
using reference = __simd_reference<_Tp, _Storage, value_type>;
using simd_type = simd<_Tp, _Abi>;
using abi_type = _Abi;
static _LIBCPP_HIDE_FROM_ABI constexpr size_t size() noexcept { return simd_type::size(); }
// broadcast constructor
_LIBCPP_HIDE_FROM_ABI explicit simd_mask(value_type __v) noexcept : __s_(_Impl::__broadcast(__v)) {}
// scalar access [simd.mask.subscr]
// Add operator[] temporarily to test braodcast. Add test for it in later patch.
_LIBCPP_HIDE_FROM_ABI value_type operator[](size_t __i) const { return __s_.__get(__i); }
};
template <class _Tp>
using native_simd_mask = simd_mask<_Tp, simd_abi::native<_Tp>>;
template <class _Tp, int _Np>
using fixed_size_simd_mask = simd_mask<_Tp, simd_abi::fixed_size<_Np>>;
} // namespace parallelism_v2
_LIBCPP_END_NAMESPACE_EXPERIMENTAL
#endif // _LIBCPP_STD_VER >= 17 && defined(_LIBCPP_ENABLE_EXPERIMENTAL)
#endif // _LIBCPP_EXPERIMENTAL___SIMD_SIMD_MASK_H
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