sync_utils.h

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/* PROLOG END TAG zYx                                              */
#ifndef _PPU_SYNC_UTILS_H_
#define _PPU_SYNC_UTILS_H_      1

/* SYNC_ULL_TO_PTR - convert a 64-bit unsigned long long to a void 
 *                   pointer.
 */
#ifdef __powerpc64__

#define SYNC_ULL_TO_PTR(_ull, _ptr) {           \
  union {                                       \
    void *ptr;                                  \
    unsigned long long ull;                     \
  } _x;                                         \
                                                \
  _x.ull = _ull;                                \
  _ptr = _x.ptr;                                \
}

#else

#define SYNC_ULL_TO_PTR(_ull, _ptr) {           \
  union {                                       \
    void *ptr[2];                               \
    unsigned long long ull;                     \
  } _x;                                         \
                                                \
  _x.ull = _ull;                                \
  _ptr = _x.ptr[1];                             \
}

#endif

#endif /* _PPU_SYNC_UTILS_H_ */