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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes

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Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv

Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
This commit is contained in:
Coleen Phillimore 2008-04-13 17:43:42 -04:00
parent 680ecf1611
commit 4a831d45f0
273 changed files with 6585 additions and 2993 deletions
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hotspot/src/share/vm/oops/klass.hpp
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@ -757,6 +757,7 @@ class Klass : public Klass_vtbl {
virtual const char* internal_name() const = 0;
virtual void oop_verify_on(oop obj, outputStream* st);
virtual void oop_verify_old_oop(oop obj, oop* p, bool allow_dirty);
virtual void oop_verify_old_oop(oop obj, narrowOop* p, bool allow_dirty);
// tells whether obj is partially constructed (gc during class loading)
virtual bool oop_partially_loaded(oop obj) const { return false; }
virtual void oop_set_partially_loaded(oop obj) {};