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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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6
hotspot/src/share/vm/oops/methodDataKlass.cpp
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@ -95,6 +95,7 @@ void methodDataKlass::oop_follow_contents(ParCompactionManager* cm,
}
#endif // SERIALGC
int methodDataKlass::oop_oop_iterate(oop obj, OopClosure* blk) {
assert (obj->is_methodData(), "object must be method data");
methodDataOop m = methodDataOop(obj);
@ -113,7 +114,6 @@ int methodDataKlass::oop_oop_iterate(oop obj, OopClosure* blk) {
return size;
}
int methodDataKlass::oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr) {
assert (obj->is_methodData(), "object must be method data");
methodDataOop m = methodDataOop(obj);
@ -158,14 +158,14 @@ void methodDataKlass::oop_copy_contents(PSPromotionManager* pm, oop obj) {
assert (obj->is_methodData(), "object must be method data");
methodDataOop m = methodDataOop(obj);
// This should never point into the young gen.
assert(!PSScavenge::should_scavenge(oop(*m->adr_method())), "Sanity");
assert(!PSScavenge::should_scavenge(m->adr_method()), "Sanity");
}
void methodDataKlass::oop_push_contents(PSPromotionManager* pm, oop obj) {
assert (obj->is_methodData(), "object must be method data");
methodDataOop m = methodDataOop(obj);
// This should never point into the young gen.
assert(!PSScavenge::should_scavenge(oop(*m->adr_method())), "Sanity");
assert(!PSScavenge::should_scavenge(m->adr_method()), "Sanity");
}
int methodDataKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) {