pcsx2/common/ByteSwap.h

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/* PCSX2 - PS2 Emulator for PCs
* Copyright (C) 2023 PCSX2 Dev Team
*
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with PCSX2.
* If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <cstdint>
#include <type_traits>
#ifdef _MSC_VER
#include <stdlib.h>
#endif
template <typename T>
T ByteSwap(T value)
{
if constexpr (std::is_signed_v<T>)
{
return static_cast<T>(ByteSwap(std::make_unsigned_t<T>(value)));
}
else if constexpr (std::is_same_v<T, std::uint16_t>)
{
#ifdef _MSC_VER
return _byteswap_ushort(value);
#else
return __builtin_bswap16(value);
#endif
}
else if constexpr (std::is_same_v<T, std::uint32_t>)
{
#ifdef _MSC_VER
return _byteswap_ulong(value);
#else
return __builtin_bswap32(value);
#endif
}
else if constexpr (std::is_same_v<T, std::uint64_t>)
{
#ifdef _MSC_VER
return _byteswap_uint64(value);
#else
return __builtin_bswap64(value);
#endif
}
}