ladybird/AK/BitCast.h
Jesse Buhagiar 2fe5f1528f AK: Use __builtin_bit_cast if available
We now use the compiler's buitin version of bitcast if it's available
instead of just resorting to using the builtin `memcpy`.
2021-08-21 13:48:59 +04:30

28 lines
436 B
C++

/*
* Copyright (c) 2021, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
namespace AK {
template<typename T, typename U>
inline T bit_cast(const U& a)
{
#if (__has_builtin(__builtin_bit_cast))
return __builtin_bit_cast(T, a);
#else
static_assert(sizeof(T) == sizeof(U));
T result;
__builtin_memcpy(&result, &a, sizeof(T));
return result;
#endif
}
}
using AK::bit_cast;