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CDImageCHD: Add SSE/NEON implementation of CopyAndSwap()

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This commit is contained in:
Stenzek
2023-10-01 14:44:28 +10:00
parent ecb082b672
commit e2efec12b7
2 changed files with 83 additions and 27 deletions
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52
src/common/heap_array.h
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@ -11,7 +11,7 @@
#include <cstring>
#include <type_traits>
template<typename T, std::size_t SIZE>
template<typename T, std::size_t SIZE, std::size_t ALIGNMENT = 0>
class FixedHeapArray
{
public:
@ -24,11 +24,11 @@ public:
using const_pointer = const T*;
using this_type = FixedHeapArray<T, SIZE>;
FixedHeapArray() { m_data = new T[SIZE]; }
FixedHeapArray() { allocate(); }
FixedHeapArray(const this_type& copy)
{
m_data = new T[SIZE];
allocate();
std::copy(copy.cbegin(), copy.cend(), begin());
}
@ -38,7 +38,7 @@ public:
move.m_data = nullptr;
}
~FixedHeapArray() { delete[] m_data; }
~FixedHeapArray() { deallocate(); }
size_type size() const { return SIZE; }
size_type capacity() const { return SIZE; }
@ -107,6 +107,42 @@ public:
#undef RELATIONAL_OPERATOR
private:
void allocate()
{
if constexpr (ALIGNMENT > 0)
{
#ifdef _MSC_VER
m_data = static_cast<T*>(_aligned_malloc(SIZE * sizeof(T), ALIGNMENT));
if (!m_data)
Panic("Memory allocation failed.");
#else
if (posix_memalign(reinterpret_cast<void**>(&m_data), ALIGNMENT, SIZE * sizeof(T)) != 0)
Panic("Memory allocation failed.");
#endif
}
else
{
m_data = static_cast<T*>(std::malloc(SIZE * sizeof(T)));
if (!m_data)
Panic("Memory allocation failed.");
}
}
void deallocate()
{
if constexpr (ALIGNMENT > 0)
{
#ifdef _MSC_VER
_aligned_free(m_data);
#else
std::free(m_data);
#endif
}
else
{
std::free(m_data);
}
}
T* m_data;
};
@ -313,23 +349,23 @@ private:
if constexpr (alignment > 0)
{
#ifdef _MSC_VER
m_data = _aligned_realloc(prev_ptr, size, alignment);
m_data = static_cast<T*>(_aligned_realloc(prev_ptr, size * sizeof(T), alignment));
if (!m_data)
Panic("Memory allocation failed.");
#else
if (posix_memalign(reinterpret_cast<void**>(&m_data), alignment, size) != 0)
if (posix_memalign(reinterpret_cast<void**>(&m_data), alignment, size * sizeof(T)) != 0)
Panic("Memory allocation failed.");
if (prev_ptr)
{
std::memcpy(m_data, prev_ptr, prev_size);
std::memcpy(m_data, prev_ptr, prev_size * sizeof(T));
std::free(prev_ptr);
}
#endif
}
else
{
m_data = static_cast<T*>(std::realloc(prev_ptr, size));
m_data = static_cast<T*>(std::realloc(prev_ptr, size * sizeof(T)));
if (!m_data)
Panic("Memory allocation failed.");
}