archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-17 17:44:40 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8138659: Speed up InstanceKlass subclass discrimination

Browse source 
Add _misc_kind field and flags, move around predicates.

Reviewed-by: coleenp, stefank
This commit is contained in:
Kim Barrett 2015-10-09 14:08:15 -04:00
parent aeffdfc249
commit 37125920a7
9 changed files with 88 additions and 40 deletions
Download patch file Download diff file Expand all files Collapse all files

23
hotspot/src/share/vm/oops/oop.inline.hpp
View file

@ -126,10 +126,25 @@ inline void oopDesc::init_mark() { set_mark(markOopDesc::proto
inline bool oopDesc::is_a(Klass* k) const { return klass()->is_subtype_of(k); }
inline bool oopDesc::is_instance() const { return klass()->oop_is_instance(); }
inline bool oopDesc::is_instanceClassLoader() const { return klass()->oop_is_instanceClassLoader(); }
inline bool oopDesc::is_instanceMirror() const { return klass()->oop_is_instanceMirror(); }
inline bool oopDesc::is_instanceRef() const { return klass()->oop_is_instanceRef(); }
inline bool oopDesc::is_instance() const {
return klass()->oop_is_instance();
}
inline bool oopDesc::is_instanceClassLoader() const {
Klass* k = klass();
return k->oop_is_instance() && InstanceKlass::cast(k)->is_class_loader_instance_klass();
}
inline bool oopDesc::is_instanceMirror() const {
Klass* k = klass();
return k->oop_is_instance() && InstanceKlass::cast(k)->is_mirror_instance_klass();
}
inline bool oopDesc::is_instanceRef() const {
Klass* k = klass();
return k->oop_is_instance() && InstanceKlass::cast(k)->is_reference_instance_klass();
}
inline bool oopDesc::is_array() const { return klass()->oop_is_array(); }
inline bool oopDesc::is_objArray() const { return klass()->oop_is_objArray(); }
inline bool oopDesc::is_typeArray() const { return klass()->oop_is_typeArray(); }