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// Copyright Take Vos 2019-2022.

// Distributed under the Boost Software License, Version 1.0.

// (See accompanying file LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)


#pragma once


#include "../macros.hpp"


#include <exception>

#include <cstddef>

#include <type_traits>

#if defined(__APPLE__)

#include <TargetConditionals.h>

#endif


hi_export_module(hikogui.utility.architecture);


hi_export namespace hi::inline v1 {


#if HI_PROCESSOR == HI_CPU_X86

constexpr std::size_t hardware_destructive_interference_size = 128;

constexpr std::size_t hardware_constructive_interference_size = 64;

using intreg_t = int32_t;

using uintreg_t = uint32_t;

#elif HI_PROCESSOR == HI_CPU_X64

constexpr std::size_t hardware_destructive_interference_size = 128;

constexpr std::size_t hardware_constructive_interference_size = 64;

using intreg_t = int64_t;

using uintreg_t = uint64_t;

#elif HI_PROCESSOR == HI_CPU_ARM

constexpr std::size_t hardware_destructive_interference_size = 128;

constexpr std::size_t hardware_constructive_interference_size = 64;

using intreg_t = int32_t;

using uintreg_t = uint32_t;

#elif HI_PROCESSOR == HI_CPU_ARM64

constexpr std::size_t hardware_destructive_interference_size = 128;

constexpr std::size_t hardware_constructive_interference_size = 64;

using intreg_t = int64_t;

using uintreg_t = uint64_t;

#else

#error "missing implementation for CPU specific register and cache-line sizes"

#endif


#if (HI_COMPILER == HI_CC_GCC || HI_COMPILER == HI_CC_CLANG) && (HI_PROCESSOR == HI_CPU_X64 || HI_PROCESSOR == HI_CPU_ARM64)

#define HI_HAS_INT128 1

using int128_t = __int128;


using uint128_t = unsigned __int128;


#endif


#if HI_OPERATING_SYSTEM == HI_OS_WINDOWS

using os_handle = void *;

using file_handle = os_handle;

using thread_id = uint32_t;

constexpr std::size_t maximum_num_cpus = 64;


#elif HI_OPERATING_SYSTEM == HI_OS_MACOS

using os_handle = int;

using file_handle = int;

using thread_id = uint32_t;

constexpr std::size_t maximum_num_cpus = CPU_SETSIZE;


#elif HI_OPERATING_SYSTEM == HI_OS_LINUX

using os_handle = int;

using file_handle = int;

using thread_id = uint32_t;

constexpr std::size_t maximum_num_cpus = CPU_SETSIZE;


#else

#error "Not implemented."

#endif


} // namespace hi::inline v1

v1
DOXYGEN BUG.
Definition algorithm.hpp:16

v1::int128_t
__int128 int128_t
Signed 128 bit integer.
Definition architecture.hpp:54

v1::uint128_t
unsigned __int128 uint128_t
Unsigned 128 bit integer.
Definition architecture.hpp:58

hi::v1::narrow_cast
constexpr Out narrow_cast(In const &rhs) noexcept
Cast numeric values without loss of precision.
Definition cast.hpp:377

std::size_t