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8204540: Automatic oop closure devirtualization

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Reviewed-by: kbarrett, eosterlund
This commit is contained in:
Stefan Karlsson 2018-05-26 06:59:49 +02:00
parent af4bf0927b
commit 11813888b8
101 changed files with 1024 additions and 1576 deletions
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69
src/hotspot/share/oops/oop.inline.hpp
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@ -432,35 +432,40 @@ void oopDesc::ps_push_contents(PSPromotionManager* pm) {
}
#endif // INCLUDE_PARALLELGC
#define OOP_ITERATE_DEFN(OopClosureType, nv_suffix) \
\
void oopDesc::oop_iterate(OopClosureType* blk) { \
klass()->oop_oop_iterate##nv_suffix(this, blk); \
} \
\
void oopDesc::oop_iterate(OopClosureType* blk, MemRegion mr) { \
klass()->oop_oop_iterate_bounded##nv_suffix(this, blk, mr); \
template <typename OopClosureType>
void oopDesc::oop_iterate(OopClosureType* cl) {
OopIteratorClosureDispatch::oop_oop_iterate(cl, this, klass());
}
#define OOP_ITERATE_SIZE_DEFN(OopClosureType, nv_suffix) \
\
int oopDesc::oop_iterate_size(OopClosureType* blk) { \
Klass* k = klass(); \
int size = size_given_klass(k); \
k->oop_oop_iterate##nv_suffix(this, blk); \
return size; \
} \
\
int oopDesc::oop_iterate_size(OopClosureType* blk, MemRegion mr) { \
Klass* k = klass(); \
int size = size_given_klass(k); \
k->oop_oop_iterate_bounded##nv_suffix(this, blk, mr); \
return size; \
template <typename OopClosureType>
void oopDesc::oop_iterate(OopClosureType* cl, MemRegion mr) {
OopIteratorClosureDispatch::oop_oop_iterate(cl, this, klass(), mr);
}
template <typename OopClosureType>
int oopDesc::oop_iterate_size(OopClosureType* cl) {
Klass* k = klass();
int size = size_given_klass(k);
OopIteratorClosureDispatch::oop_oop_iterate(cl, this, k);
return size;
}
template <typename OopClosureType>
int oopDesc::oop_iterate_size(OopClosureType* cl, MemRegion mr) {
Klass* k = klass();
int size = size_given_klass(k);
OopIteratorClosureDispatch::oop_oop_iterate(cl, this, k, mr);
return size;
}
template <typename OopClosureType>
void oopDesc::oop_iterate_backwards(OopClosureType* cl) {
OopIteratorClosureDispatch::oop_oop_iterate_backwards(cl, this, klass());
}
int oopDesc::oop_iterate_no_header(OopClosure* blk) {
// The NoHeaderExtendedOopClosure wraps the OopClosure and proxies all
// the do_oop calls, but turns off all other features in ExtendedOopClosure.
// the do_oop calls, but turns off all other features in OopIterateClosure.
NoHeaderExtendedOopClosure cl(blk);
return oop_iterate_size(&cl);
}
@ -470,24 +475,6 @@ int oopDesc::oop_iterate_no_header(OopClosure* blk, MemRegion mr) {
return oop_iterate_size(&cl, mr);
}
#if INCLUDE_OOP_OOP_ITERATE_BACKWARDS
#define OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix) \
\
inline void oopDesc::oop_iterate_backwards(OopClosureType* blk) { \
klass()->oop_oop_iterate_backwards##nv_suffix(this, blk); \
}
#else
#define OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix)
#endif
#define ALL_OOPDESC_OOP_ITERATE(OopClosureType, nv_suffix) \
OOP_ITERATE_DEFN(OopClosureType, nv_suffix) \
OOP_ITERATE_SIZE_DEFN(OopClosureType, nv_suffix) \
OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix)
ALL_OOP_OOP_ITERATE_CLOSURES_1(ALL_OOPDESC_OOP_ITERATE)
ALL_OOP_OOP_ITERATE_CLOSURES_2(ALL_OOPDESC_OOP_ITERATE)
bool oopDesc::is_instanceof_or_null(oop obj, Klass* klass) {
return obj == NULL || obj->klass()->is_subtype_of(klass);
}