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// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
// SPDX-License-Identifier: GPL-3.0+
// This module contains implementations of _aligned_malloc for platforms that don't have
// it built into their CRT/libc.
#if !defined(_WIN32)
#include "common/AlignedMalloc.h"
#include "common/Assertions.h"
#include <algorithm>
#include <cstdlib>
void* _aligned_malloc(size_t size, size_t align)
{
pxAssert(align < 0x10000);
#if defined(__USE_ISOC11) && !defined(ASAN_WORKAROUND) // not supported yet on gcc 4.9
return aligned_alloc(align, size);
#else
#ifdef __APPLE__
// MacOS has a bug where posix_memalign is ridiculously slow on unaligned sizes
// This especially bad on M1s for some reason
size = (size + align - 1) & ~(align - 1);
#endif
void* result = 0;
posix_memalign(&result, align, size);
return result;
#endif
}
void* pcsx2_aligned_realloc(void* handle, size_t new_size, size_t align, size_t old_size)
{
pxAssert(align < 0x10000);
void* newbuf = _aligned_malloc(new_size, align);
if (newbuf != NULL && handle != NULL)
{
memcpy(newbuf, handle, std::min(old_size, new_size));
_aligned_free(handle);
}
return newbuf;
}
__fi void _aligned_free(void* pmem)
{
free(pmem);
}
#endif
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