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SSE2: Add aligned allocators

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kaetemi 2014-06-13 19:12:31 +02:00
parent 3601168194
commit 12c636d747
2 changed files with 63 additions and 0 deletions
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34
code/nel/include/nel/misc/types_nl.h
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@ -328,6 +328,40 @@ typedef unsigned int uint; // at least 32bits (depend of processor)
#endif // NL_OS_UNIX
#ifdef NL_COMP_VC
#define NL_ALIGN(nb) __declspec(align(nb))
#else
#define NL_ALIGN(nb) __attribute__((aligned(nb)))
#endif
#ifdef NL_COMP_VC
inline void *aligned_malloc(size_t size, size_t alignment) { return _aligned_malloc(size, alignment); }
inline void aligned_free(void *ptr) { _aligned_free(ptr); }
#else
inline void *aligned_malloc(size_t size, size_t alignment) { return memalign(alignment, size); }
inline void aligned_free(void *ptr) { free(ptr); }
#endif /* NL_COMP_ */
#ifdef NL_HAS_SSE2
#define NL_DEFAULT_MEMORY_ALIGNMENT 16
#define NL_ALIGN_SSE2 NL_ALIGN(NL_DEFAULT_MEMORY_ALIGNMENT)
extern void *operator new(size_t size) throw(std::bad_alloc);
extern void *operator new[](size_t size) throw(std::bad_alloc);
extern void operator delete(void *p) throw();
extern void operator delete[](void *p) throw();
#else /* NL_HAS_SSE2 */
#define NL_DEFAULT_MEMORY_ALIGNMENT 4
#define NL_ALIGN_SSE2(nb)
#endif /* NL_HAS_SSE2 */
// CHashMap, CHashSet and CHashMultiMap definitions
#if defined(_STLPORT_VERSION) // STLport detected
# include <hash_map>

29
code/nel/src/misc/common.cpp
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@ -71,6 +71,35 @@ extern "C" long _ftol2( double dblSource ) { return _ftol( dblSource ); }
#endif // NL_OS_WINDOWS
#ifdef NL_HAS_SSE2
void *operator new(size_t size) throw(std::bad_alloc)
{
void *p = aligned_malloc(size, NL_DEFAULT_MEMORY_ALIGNMENT);
if (p == NULL) throw std::bad_alloc();
return p;
}
void *operator new[](size_t size) throw(std::bad_alloc)
{
void *p = aligned_malloc(size, NL_DEFAULT_MEMORY_ALIGNMENT);
if (p == NULL) throw std::bad_alloc();
return p;
}
void operator delete(void *p) throw()
{
aligned_free(p);
}
void operator delete[](void *p) throw()
{
aligned_free(p);
}
#endif /* NL_HAS_SSE2 */
#ifdef DEBUG_NEW
#define new DEBUG_NEW
#endif