8216157: Enable inlining of java_lang_Class::is_primitive

Reviewed-by: coleenp, eosterlund, jiangli
This commit is contained in:
Claes Redestad 2019-01-04 16:23:56 +01:00
parent bc2275c28e
commit bf63ee682e
10 changed files with 24 additions and 19 deletions

View file

@ -174,6 +174,22 @@ inline bool java_lang_Class::is_instance(oop obj) {
return obj != NULL && obj->klass() == SystemDictionary::Class_klass();
}
inline bool java_lang_Class::is_primitive(oop java_class) {
// should assert:
//assert(java_lang_Class::is_instance(java_class), "must be a Class object");
bool is_primitive = (java_class->metadata_field(_klass_offset) == NULL);
#ifdef ASSERT
if (is_primitive) {
Klass* k = ((Klass*)java_class->metadata_field(_array_klass_offset));
assert(k == NULL || is_java_primitive(ArrayKlass::cast(k)->element_type()),
"Should be either the T_VOID primitive or a java primitive");
}
#endif
return is_primitive;
}
inline bool java_lang_invoke_DirectMethodHandle::is_instance(oop obj) {
return obj != NULL && is_subclass(obj->klass());
}