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comparison src/share/vm/opto/parse2.cpp @ 221:1e026f8da827

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6710487: More than half of JDI Regression tests hang with COOPs in -Xcomp mode Summary: Remove DecodeNNode::decode() and EncodePNode::encode() methods. Reviewed-by: rasbold, never
author kvn
date Tue, 24 Jun 2008 10:43:29 -0700
parents c0939256690b
children 2a1a77d3458f
comparison
equal deleted inserted replaced
220:30369db7f5d2 221:1e026f8da827
65 const TypeAryPtr* arytype = _gvn.type(ary)->is_aryptr(); 65 const TypeAryPtr* arytype = _gvn.type(ary)->is_aryptr();
66 const TypeInt* sizetype = arytype->size(); 66 const TypeInt* sizetype = arytype->size();
67 const Type* elemtype = arytype->elem(); 67 const Type* elemtype = arytype->elem();
68 68
69 if (UseUniqueSubclasses && result2 != NULL) { 69 if (UseUniqueSubclasses && result2 != NULL) {
70 const Type* el = elemtype; 70 const Type* el = elemtype->make_ptr();
71 if (elemtype->isa_narrowoop()) { 71 if (el && el->isa_instptr()) {
72 el = elemtype->is_narrowoop()->make_oopptr(); 72 const TypeInstPtr* toop = el->is_instptr();
73 }
74 const TypeInstPtr* toop = el->isa_instptr();
75 if (toop) {
76 if (toop->klass()->as_instance_klass()->unique_concrete_subklass()) { 73 if (toop->klass()->as_instance_klass()->unique_concrete_subklass()) {
77 // If we load from "AbstractClass[]" we must see "ConcreteSubClass". 74 // If we load from "AbstractClass[]" we must see "ConcreteSubClass".
78 const Type* subklass = Type::get_const_type(toop->klass()); 75 const Type* subklass = Type::get_const_type(toop->klass());
79 elemtype = subklass->join(el); 76 elemtype = subklass->join(el);
80 } 77 }