#ifndef WTF_Alignment_h
#define WTF_Alignment_h
#include "Platform.h"
#include <algorithm>
namespace WTF {
#if COMPILER(GCC) || COMPILER(MINGW) || COMPILER(RVCT) || COMPILER(GCCE)
#define WTF_ALIGN_OF(type) __alignof__(type)
#define WTF_ALIGNED(variable_type, variable, n) variable_type variable __attribute__((__aligned__(n)))
#elif COMPILER(MSVC)
#define WTF_ALIGN_OF(type) __alignof(type)
#define WTF_ALIGNED(variable_type, variable, n) __declspec(align(n)) variable_type variable
#else
#error WTF_ALIGN macros need alignment control.
#endif
#if COMPILER(GCC) && !COMPILER(INTEL) && (((__GNUC__ * 100) + __GNUC_MINOR__) >= 303)
typedef char __attribute__((__may_alias__)) AlignedBufferChar;
#else
typedef char AlignedBufferChar;
#endif
template<size_t size, size_t alignment> struct AlignedBuffer;
template<size_t size> struct AlignedBuffer<size, 1> { AlignedBufferChar buffer[size]; };
template<size_t size> struct AlignedBuffer<size, 2> { WTF_ALIGNED(AlignedBufferChar, buffer[size], 2); };
template<size_t size> struct AlignedBuffer<size, 4> { WTF_ALIGNED(AlignedBufferChar, buffer[size], 4); };
template<size_t size> struct AlignedBuffer<size, 8> { WTF_ALIGNED(AlignedBufferChar, buffer[size], 8); };
template<size_t size> struct AlignedBuffer<size, 16> { WTF_ALIGNED(AlignedBufferChar, buffer[size], 16); };
template<size_t size> struct AlignedBuffer<size, 32> { WTF_ALIGNED(AlignedBufferChar, buffer[size], 32); };
template<size_t size> struct AlignedBuffer<size, 64> { WTF_ALIGNED(AlignedBufferChar, buffer[size], 64); };
template <size_t size, size_t alignment>
void swap(AlignedBuffer<size, alignment>& a, AlignedBuffer<size, alignment>& b)
{
for (size_t i = 0; i < size; ++i)
std::swap(a.buffer[i], b.buffer[i]);
}
}
#endif // WTF_Alignment_h