mirror of https://github.com/PCSX2/pcsx2.git
51 lines
1.2 KiB
C++
51 lines
1.2 KiB
C++
// SPDX-FileCopyrightText: 2002-2024 PCSX2 Dev Team
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// SPDX-License-Identifier: GPL-3.0+
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// This module contains implementations of _aligned_malloc for platforms that don't have
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// it built into their CRT/libc.
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#if !defined(_WIN32)
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#include "common/AlignedMalloc.h"
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#include "common/Assertions.h"
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#include <algorithm>
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#include <cstdlib>
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void* _aligned_malloc(size_t size, size_t align)
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{
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pxAssert(align < 0x10000);
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#if defined(__USE_ISOC11) && !defined(ASAN_WORKAROUND) // not supported yet on gcc 4.9
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return aligned_alloc(align, size);
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#else
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#ifdef __APPLE__
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// MacOS has a bug where posix_memalign is ridiculously slow on unaligned sizes
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// This especially bad on M1s for some reason
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size = (size + align - 1) & ~(align - 1);
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#endif
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void* result = 0;
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posix_memalign(&result, align, size);
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return result;
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#endif
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}
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void* pcsx2_aligned_realloc(void* handle, size_t new_size, size_t align, size_t old_size)
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{
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pxAssert(align < 0x10000);
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void* newbuf = _aligned_malloc(new_size, align);
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if (newbuf != NULL && handle != NULL)
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{
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memcpy(newbuf, handle, std::min(old_size, new_size));
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_aligned_free(handle);
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}
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return newbuf;
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}
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__fi void _aligned_free(void* pmem)
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{
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free(pmem);
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}
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#endif
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