Пример #1
0
//--------------------------test_for_osr_md_counter_at-------------------------
void Parse::test_for_osr_md_counter_at(ciMethodData* md, ciProfileData* data, ByteSize counter_offset, int limit) {
  Node* adr_node = method_data_addressing(md, data, counter_offset);

  const TypePtr* adr_type = _gvn.type(adr_node)->is_ptr();
  Node* cnt  = make_load(NULL, adr_node, TypeInt::INT, T_INT, adr_type);

  test_counter_against_threshold(cnt, limit);
}
Пример #2
0
//----------------------increment_and_test_invocation_counter-------------------
void Parse::increment_and_test_invocation_counter(int limit) {
  if (!count_invocations()) return;

  // Get the Method* node.
  const TypePtr* adr_type = TypeMetadataPtr::make(method());
  Node *method_node = makecon(adr_type);

  // Load the interpreter_invocation_counter from the Method*.
  int offset = Method::interpreter_invocation_counter_offset_in_bytes();
  Node* adr_node = basic_plus_adr(method_node, method_node, offset);
  Node* cnt = make_load(NULL, adr_node, TypeInt::INT, T_INT, adr_type);

  test_counter_against_threshold(cnt, limit);

  // Add one to the counter and store
  Node* incr = _gvn.transform(new (C) AddINode(cnt, _gvn.intcon(1)));
  store_to_memory( NULL, adr_node, incr, T_INT, adr_type );
}
Пример #3
0
//----------------------increment_and_test_invocation_counter-------------------
void Parse::increment_and_test_invocation_counter(int limit) {
  if (!count_invocations()) return;

  // Get the Method* node.
  ciMethod* m = method();
  MethodCounters* counters_adr = m->ensure_method_counters();
  if (counters_adr == NULL) {
    C->record_failure("method counters allocation failed");
    return;
  }

  Node* ctrl = control();
  const TypePtr* adr_type = TypeRawPtr::make((address) counters_adr);
  Node *counters_node = makecon(adr_type);
  Node* adr_iic_node = basic_plus_adr(counters_node, counters_node,
    MethodCounters::interpreter_invocation_counter_offset_in_bytes());
  Node* cnt = make_load(ctrl, adr_iic_node, TypeInt::INT, T_INT, adr_type, MemNode::unordered);

  test_counter_against_threshold(cnt, limit);

  // Add one to the counter and store
  Node* incr = _gvn.transform(new AddINode(cnt, _gvn.intcon(1)));
  store_to_memory(ctrl, adr_iic_node, incr, T_INT, adr_type, MemNode::unordered);
}