hotspot/src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.inline.hpp
author jmasa
Tue, 03 May 2011 10:30:34 -0700
changeset 9935 51267b5e1a3d
parent 7397 5b173b4ca846
child 11758 b1a0089f89d2
permissions -rw-r--r--
7041789: 30% perf regression with c2/arm following 7017732 Summary: Implement a more accurate is_scavengable() Reviewed-by: stefank, jcoomes, ysr

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#ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PARALLELSCAVENGEHEAP_INLINE_HPP
#define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PARALLELSCAVENGEHEAP_INLINE_HPP

#include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"
#include "gc_implementation/parallelScavenge/psMarkSweep.hpp"
#include "gc_implementation/parallelScavenge/psParallelCompact.hpp"
#include "gc_implementation/parallelScavenge/psScavenge.hpp"

inline size_t ParallelScavengeHeap::total_invocations()
{
  return UseParallelOldGC ? PSParallelCompact::total_invocations() :
    PSMarkSweep::total_invocations();
}

inline void ParallelScavengeHeap::invoke_scavenge()
{
  PSScavenge::invoke();
}

inline void ParallelScavengeHeap::invoke_full_gc(bool maximum_compaction)
{
  if (UseParallelOldGC) {
    PSParallelCompact::invoke(maximum_compaction);
  } else {
    PSMarkSweep::invoke(maximum_compaction);
  }
}

inline bool ParallelScavengeHeap::is_in_young(oop p) {
  // Assumes the the old gen address range is lower than that of the young gen.
  const void* loc = (void*) p;
  bool result = ((HeapWord*)p) >= young_gen()->reserved().start();
  assert(result == young_gen()->is_in_reserved(p),
        err_msg("incorrect test - result=%d, p=" PTR_FORMAT, result, (void*)p));
  return result;
}

inline bool ParallelScavengeHeap::is_in_old_or_perm(oop p) {
  return old_gen()->is_in_reserved(p) || perm_gen()->is_in_reserved(p);
}

#endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PARALLELSCAVENGEHEAP_INLINE_HPP