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8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution

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Reviewed-by: brutisso, coleenp, kbarrett, sjohanss
This commit is contained in:
Stefan Karlsson 2015-04-02 10:04:27 +02:00
parent c0af548c2b
commit 232a59cb40
48 changed files with 2281 additions and 1867 deletions
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43
hotspot/src/share/vm/gc_implementation/parallelScavenge/psCompactionManager.inline.hpp
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@ -26,9 +26,11 @@
#define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSCOMPACTIONMANAGER_INLINE_HPP
#include "gc_implementation/parallelScavenge/psCompactionManager.hpp"
#include "gc_implementation/parallelScavenge/psParallelCompact.hpp"
#include "oops/objArrayKlass.inline.hpp"
#include "oops/oop.pcgc.inline.hpp"
#include "gc_implementation/parallelScavenge/psParallelCompact.inline.hpp"
#include "oops/objArrayOop.hpp"
#include "oops/oop.inline.hpp"
#include "utilities/debug.hpp"
#include "utilities/globalDefinitions.hpp"
void ParCompactionManager::push_objarray(oop obj, size_t index)
{
@ -49,16 +51,43 @@ void ParCompactionManager::push_region(size_t index)
}
inline void ParCompactionManager::follow_contents(oop obj) {
obj->follow_contents(this);
assert(PSParallelCompact::mark_bitmap()->is_marked(obj), "should be marked");
obj->pc_follow_contents(this);
}
template <class T>
inline void oop_pc_follow_contents_specialized(ObjArrayKlass* klass, oop obj, int index, ParCompactionManager* cm) {
objArrayOop a = objArrayOop(obj);
const size_t len = size_t(a->length());
const size_t beg_index = size_t(index);
assert(beg_index < len || len == 0, "index too large");
const size_t stride = MIN2(len - beg_index, ObjArrayMarkingStride);
const size_t end_index = beg_index + stride;
T* const base = (T*)a->base();
T* const beg = base + beg_index;
T* const end = base + end_index;
// Push the non-NULL elements of the next stride on the marking stack.
for (T* e = beg; e < end; e++) {
PSParallelCompact::mark_and_push<T>(cm, e);
}
if (end_index < len) {
cm->push_objarray(a, end_index); // Push the continuation.
}
}
inline void ParCompactionManager::follow_contents(objArrayOop obj, int index) {
ObjArrayKlass* k = (ObjArrayKlass*)obj->klass();
k->oop_follow_contents(this, obj, index);
if (UseCompressedOops) {
oop_pc_follow_contents_specialized<narrowOop>((ObjArrayKlass*)obj->klass(), obj, index, this);
} else {
oop_pc_follow_contents_specialized<oop>((ObjArrayKlass*)obj->klass(), obj, index, this);
}
}
inline void ParCompactionManager::update_contents(oop obj) {
obj->update_contents(this);
obj->pc_update_contents();
}
#endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSCOMPACTIONMANAGER_INLINE_HPP