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#ifndef SHARE_RUNTIME_PREFETCH_HPP
#define SHARE_RUNTIME_PREFETCH_HPP

#include "memory/allStatic.hpp"

// If calls to prefetch methods are in a loop, the loop should be cloned
// such that if Prefetch{Scan,Copy}Interval and/or PrefetchFieldInterval
// say not to do prefetching, these methods aren't called.  At the very
// least, they take up a memory issue slot.  They should be implemented
// as inline assembly code: doing an actual call isn't worth the cost.

class Prefetch : AllStatic {
 public:
  // Prefetch anticipating read; must not fault, semantically a no-op
  static void read(const void* loc, intx interval);

  // Prefetch anticipating write; must not fault, semantically a no-op
  static void write(void* loc, intx interval);
};

#endif // SHARE_RUNTIME_PREFETCH_HPP