hotspot/src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.inline.hpp
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