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comparison src/share/vm/ci/ciMethodData.cpp @ 12962:5ccbab1c69f3

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8026251: New type profiling points: parameters to methods Summary: x86 interpreter and c1 type profiling for parameters on method entries Reviewed-by: kvn, twisti
author roland
date Tue, 22 Oct 2013 09:51:47 +0200
parents ce0cc25bc5e2
children de6a9e811145
comparison
equal deleted inserted replaced
12961:4748b3308cda 12962:5ccbab1c69f3
51 // Set an initial hint. Don't use set_hint_di() because 51 // Set an initial hint. Don't use set_hint_di() because
52 // first_di() may be out of bounds if data_size is 0. 52 // first_di() may be out of bounds if data_size is 0.
53 _hint_di = first_di(); 53 _hint_di = first_di();
54 // Initialize the escape information (to "don't know."); 54 // Initialize the escape information (to "don't know.");
55 _eflags = _arg_local = _arg_stack = _arg_returned = 0; 55 _eflags = _arg_local = _arg_stack = _arg_returned = 0;
56 _parameters = NULL;
56 } 57 }
57 58
58 // ------------------------------------------------------------------ 59 // ------------------------------------------------------------------
59 // ciMethodData::ciMethodData 60 // ciMethodData::ciMethodData
60 // 61 //
72 // Set an initial hint. Don't use set_hint_di() because 73 // Set an initial hint. Don't use set_hint_di() because
73 // first_di() may be out of bounds if data_size is 0. 74 // first_di() may be out of bounds if data_size is 0.
74 _hint_di = first_di(); 75 _hint_di = first_di();
75 // Initialize the escape information (to "don't know."); 76 // Initialize the escape information (to "don't know.");
76 _eflags = _arg_local = _arg_stack = _arg_returned = 0; 77 _eflags = _arg_local = _arg_stack = _arg_returned = 0;
78 _parameters = NULL;
77 } 79 }
78 80
79 void ciMethodData::load_data() { 81 void ciMethodData::load_data() {
80 MethodData* mdo = get_MethodData(); 82 MethodData* mdo = get_MethodData();
81 if (mdo == NULL) { 83 if (mdo == NULL) {
106 while (is_valid(ci_data)) { 108 while (is_valid(ci_data)) {
107 ci_data->translate_from(data); 109 ci_data->translate_from(data);
108 ci_data = next_data(ci_data); 110 ci_data = next_data(ci_data);
109 data = mdo->next_data(data); 111 data = mdo->next_data(data);
110 } 112 }
113 if (mdo->parameters_type_data() != NULL) {
114 _parameters = data_layout_at(mdo->parameters_type_data_di());
115 ciParametersTypeData* parameters = new ciParametersTypeData(_parameters);
116 parameters->translate_from(mdo->parameters_type_data());
117 }
118
111 // Note: Extra data are all BitData, and do not need translation. 119 // Note: Extra data are all BitData, and do not need translation.
112 _current_mileage = MethodData::mileage_of(mdo->method()); 120 _current_mileage = MethodData::mileage_of(mdo->method());
113 _invocation_counter = mdo->invocation_count(); 121 _invocation_counter = mdo->invocation_count();
114 _backedge_counter = mdo->backedge_count(); 122 _backedge_counter = mdo->backedge_count();
115 _state = mdo->is_mature()? mature_state: immature_state; 123 _state = mdo->is_mature()? mature_state: immature_state;
180 return new ciArgInfoData(data_layout); 188 return new ciArgInfoData(data_layout);
181 case DataLayout::call_type_data_tag: 189 case DataLayout::call_type_data_tag:
182 return new ciCallTypeData(data_layout); 190 return new ciCallTypeData(data_layout);
183 case DataLayout::virtual_call_type_data_tag: 191 case DataLayout::virtual_call_type_data_tag:
184 return new ciVirtualCallTypeData(data_layout); 192 return new ciVirtualCallTypeData(data_layout);
193 case DataLayout::parameters_type_data_tag:
194 return new ciParametersTypeData(data_layout);
185 }; 195 };
186 } 196 }
187 197
188 // Iteration over data. 198 // Iteration over data.
189 ciProfileData* ciMethodData::next_data(ciProfileData* current) { 199 ciProfileData* ciMethodData::next_data(ciProfileData* current) {
313 data->as_CallTypeData()->set_argument_type(i, k->get_Klass()); 323 data->as_CallTypeData()->set_argument_type(i, k->get_Klass());
314 } else { 324 } else {
315 assert(data->is_VirtualCallTypeData(), "no arguments!"); 325 assert(data->is_VirtualCallTypeData(), "no arguments!");
316 data->as_VirtualCallTypeData()->set_argument_type(i, k->get_Klass()); 326 data->as_VirtualCallTypeData()->set_argument_type(i, k->get_Klass());
317 } 327 }
328 }
329 }
330
331 void ciMethodData::set_parameter_type(int i, ciKlass* k) {
332 VM_ENTRY_MARK;
333 MethodData* mdo = get_MethodData();
334 if (mdo != NULL) {
335 mdo->parameters_type_data()->set_type(i, k->get_Klass());
318 } 336 }
319 } 337 }
320 338
321 void ciMethodData::set_return_type(int bci, ciKlass* k) { 339 void ciMethodData::set_return_type(int bci, ciKlass* k) {
322 VM_ENTRY_MARK; 340 VM_ENTRY_MARK;
603 tab(st, true); 621 tab(st, true);
604 st->print("return type"); 622 st->print("return type");
605 ret()->print_data_on(st); 623 ret()->print_data_on(st);
606 } 624 }
607 } 625 }
626
627 void ciParametersTypeData::print_data_on(outputStream* st) const {
628 st->print_cr("Parametertypes");
629 parameters()->print_data_on(st);
630 }
608 #endif 631 #endif