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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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2
hotspot/src/share/vm/memory/iterator.hpp
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@ -35,6 +35,8 @@ class OopClosure : public StackObj {
OopClosure() : _ref_processor(NULL) { }
virtual void do_oop(oop* o) = 0;
virtual void do_oop_v(oop* o) { do_oop(o); }
virtual void do_oop(narrowOop* o) = 0;
virtual void do_oop_v(narrowOop* o) { do_oop(o); }
// In support of post-processing of weak links of KlassKlass objects;
// see KlassKlass::oop_oop_iterate().