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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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4
hotspot/src/share/vm/memory/genCollectedHeap.cpp
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@ -624,6 +624,7 @@ public:
void do_oop(oop* p) {
assert((*p) == NULL || (*p)->is_perm(), "Referent should be perm.");
}
void do_oop(narrowOop* p) { ShouldNotReachHere(); }
};
static AssertIsPermClosure assert_is_perm_closure;
@ -1300,8 +1301,7 @@ void GenCollectedHeap::ensure_parsability(bool retire_tlabs) {
oop GenCollectedHeap::handle_failed_promotion(Generation* gen,
oop obj,
size_t obj_size,
oop* ref) {
size_t obj_size) {
assert(obj_size == (size_t)obj->size(), "bad obj_size passed in");
HeapWord* result = NULL;