libcxx/include/experimental/__config

// -*- 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_CONFIG
#define _LIBCPP_EXPERIMENTAL_CONFIG

#include <__config>

#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#  pragma GCC system_header
#endif

#define _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL namespace std { namespace experimental {
#define _LIBCPP_END_NAMESPACE_EXPERIMENTAL  } }
#define _VSTD_EXPERIMENTAL std::experimental

#define _LIBCPP_BEGIN_NAMESPACE_LFTS _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL inline namespace fundamentals_v1 {
#define _LIBCPP_END_NAMESPACE_LFTS  } } }
#define _VSTD_LFTS _VSTD_EXPERIMENTAL::fundamentals_v1

#define _LIBCPP_BEGIN_NAMESPACE_LFTS_V2 _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL inline namespace fundamentals_v2 {
#define _LIBCPP_END_NAMESPACE_LFTS_V2  } } }
#define _VSTD_LFTS_V2 _VSTD_EXPERIMENTAL::fundamentals_v2

#define _LIBCPP_BEGIN_NAMESPACE_LFTS_PMR _LIBCPP_BEGIN_NAMESPACE_LFTS namespace pmr {
#define _LIBCPP_END_NAMESPACE_LFTS_PMR _LIBCPP_END_NAMESPACE_LFTS }
#define _VSTD_LFTS_PMR _VSTD_LFTS::pmr

#define _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL_SIMD \
    _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL inline namespace parallelism_v2 {

#define _LIBCPP_END_NAMESPACE_EXPERIMENTAL_SIMD \
    } _LIBCPP_END_NAMESPACE_EXPERIMENTAL

#define _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL_SIMD_ABI \
    _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL_SIMD namespace simd_abi {

#define _LIBCPP_END_NAMESPACE_EXPERIMENTAL_SIMD_ABI \
    } _LIBCPP_END_NAMESPACE_EXPERIMENTAL_SIMD

// TODO: support more targets
#if defined(__AVX__)
#define _LIBCPP_NATIVE_SIMD_WIDTH_IN_BYTES 32
#else
#define _LIBCPP_NATIVE_SIMD_WIDTH_IN_BYTES 16
#endif

#endif