diff src/share/vm/ci/ciInstanceKlass.cpp @ 44:52fed2ec0afb

6667620: (Escape Analysis) fix deoptimization for scalar replaced objects Summary: Deoptimization code for reallocation and relocking scalar replaced objects has to be fixed. Reviewed-by: rasbold, never
author kvn
date Tue, 11 Mar 2008 11:25:13 -0700
parents a61af66fc99e
children ba764ed4b6f2
line wrap: on
line diff
--- a/src/share/vm/ci/ciInstanceKlass.cpp	Tue Mar 11 11:04:40 2008 -0700
+++ b/src/share/vm/ci/ciInstanceKlass.cpp	Tue Mar 11 11:25:13 2008 -0700
@@ -34,7 +34,9 @@
 // ciInstanceKlass::ciInstanceKlass
 //
 // Loaded instance klass.
-ciInstanceKlass::ciInstanceKlass(KlassHandle h_k) : ciKlass(h_k) {
+ciInstanceKlass::ciInstanceKlass(KlassHandle h_k) :
+  ciKlass(h_k), _non_static_fields(NULL)
+{
   assert(get_Klass()->oop_is_instance(), "wrong type");
   instanceKlass* ik = get_instanceKlass();
 
@@ -335,6 +337,37 @@
   return field;
 }
 
+// ------------------------------------------------------------------
+// ciInstanceKlass::non_static_fields.
+
+class NonStaticFieldFiller: public FieldClosure {
+  GrowableArray<ciField*>* _arr;
+  ciEnv* _curEnv;
+public:
+  NonStaticFieldFiller(ciEnv* curEnv, GrowableArray<ciField*>* arr) :
+    _curEnv(curEnv), _arr(arr)
+  {}
+  void do_field(fieldDescriptor* fd) {
+    ciField* field = new (_curEnv->arena()) ciField(fd);
+    _arr->append(field);
+  }
+};
+
+GrowableArray<ciField*>* ciInstanceKlass::non_static_fields() {
+  if (_non_static_fields == NULL) {
+    VM_ENTRY_MARK;
+    ciEnv* curEnv = ciEnv::current();
+    instanceKlass* ik = get_instanceKlass();
+    int max_n_fields = ik->fields()->length()/instanceKlass::next_offset;
+
+    _non_static_fields =
+      new (curEnv->arena()) GrowableArray<ciField*>(max_n_fields);
+    NonStaticFieldFiller filler(curEnv, _non_static_fields);
+    ik->do_nonstatic_fields(&filler);
+  }
+  return _non_static_fields;
+}
+
 static int sort_field_by_offset(ciField** a, ciField** b) {
   return (*a)->offset_in_bytes() - (*b)->offset_in_bytes();
   // (no worries about 32-bit overflow...)