src/share/vm/ci/ciMethodData.cpp

rev 5468 : 8026251: New type profiling points: parameters to methods
Summary: x86 interpreter and c1 type profiling for parameters on method entries
Reviewed-by:

*** 51,60 ****
--- 51,61 ----
    // Set an initial hint. Don't use set_hint_di() because
    // first_di() may be out of bounds if data_size is 0.
    _hint_di = first_di();
    // Initialize the escape information (to "don't know.");
    _eflags = _arg_local = _arg_stack = _arg_returned = 0;
+   _parameters = NULL;
  }
  
  // ------------------------------------------------------------------
  // ciMethodData::ciMethodData
  //
*** 72,81 ****
--- 73,83 ----
    // Set an initial hint. Don't use set_hint_di() because
    // first_di() may be out of bounds if data_size is 0.
    _hint_di = first_di();
    // Initialize the escape information (to "don't know.");
    _eflags = _arg_local = _arg_stack = _arg_returned = 0;
+   _parameters = NULL;
  }
  
  void ciMethodData::load_data() {
    MethodData* mdo = get_MethodData();
    if (mdo == NULL) {
*** 106,115 ****
--- 108,123 ----
    while (is_valid(ci_data)) {
      ci_data->translate_from(data);
      ci_data = next_data(ci_data);
      data = mdo->next_data(data);
    }
+   if (mdo->parameters_type_data() != NULL) {
+     _parameters = data_layout_at(mdo->parameters_type_data_di());
+     ciParametersTypeData* parameters = new ciParametersTypeData(_parameters);
+     parameters->translate_from(mdo->parameters_type_data());
+   }
+ 
    // Note:  Extra data are all BitData, and do not need translation.
    _current_mileage = MethodData::mileage_of(mdo->method());
    _invocation_counter = mdo->invocation_count();
    _backedge_counter = mdo->backedge_count();
    _state = mdo->is_mature()? mature_state: immature_state;
*** 180,189 ****
--- 188,199 ----
      return new ciArgInfoData(data_layout);
    case DataLayout::call_type_data_tag:
      return new ciCallTypeData(data_layout);
    case DataLayout::virtual_call_type_data_tag:
      return new ciVirtualCallTypeData(data_layout);
+   case DataLayout::parameters_type_data_tag:
+     return new ciParametersTypeData(data_layout);
    };
  }
  
  // Iteration over data.
  ciProfileData* ciMethodData::next_data(ciProfileData* current) {
*** 316,325 ****
--- 326,343 ----
        data->as_VirtualCallTypeData()->set_argument_type(i, k->get_Klass());
      }
    }
  }
  
+ void ciMethodData::set_parameter_type(int i, ciKlass* k) {
+   VM_ENTRY_MARK;
+   MethodData* mdo = get_MethodData();
+   if (mdo != NULL) {
+     mdo->parameters_type_data()->set_type(i, k->get_Klass());
+   }
+ }
+ 
  void ciMethodData::set_return_type(int bci, ciKlass* k) {
    VM_ENTRY_MARK;
    MethodData* mdo = get_MethodData();
    if (mdo != NULL) {
      ProfileData* data = mdo->bci_to_data(bci);
*** 603,608 ****
--- 621,631 ----
      tab(st, true);
      st->print("return type");
      ret()->print_data_on(st);
    }
  }
+ 
+ void ciParametersTypeData::print_data_on(outputStream* st) const {
+   st->print_cr("Parametertypes");
+   parameters()->print_data_on(st);
+ }
  #endif