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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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8
hotspot/src/share/vm/gc_implementation/parallelScavenge/psScavenge.hpp
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@ -116,16 +116,16 @@ class PSScavenge: AllStatic {
// If an attempt to promote fails, this method is invoked
static void oop_promotion_failed(oop obj, markOop obj_mark);
static inline bool should_scavenge(oop p);
template <class T> static inline bool should_scavenge(T* p);
// These call should_scavenge() above and, if it returns true, also check that
// the object was not newly copied into to_space. The version with the bool
// argument is a convenience wrapper that fetches the to_space pointer from
// the heap and calls the other version (if the arg is true).
static inline bool should_scavenge(oop p, MutableSpace* to_space);
static inline bool should_scavenge(oop p, bool check_to_space);
template <class T> static inline bool should_scavenge(T* p, MutableSpace* to_space);
template <class T> static inline bool should_scavenge(T* p, bool check_to_space);
inline static void copy_and_push_safe_barrier(PSPromotionManager* pm, oop* p);
template <class T> inline static void copy_and_push_safe_barrier(PSPromotionManager* pm, T* p);
// Is an object in the young generation
// This assumes that the HeapWord argument is in the heap,