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8026251: New type profiling points: parameters to methods

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X86 interpreter and c1 type profiling for parameters on method entries

Reviewed-by: kvn, twisti
This commit is contained in:
Roland Westrelin 2013-10-22 09:51:47 +02:00
parent 4db165a8d7
commit b94884a330
26 changed files with 750 additions and 430 deletions
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23
hotspot/src/share/vm/ci/ciMethodData.cpp
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@ -53,6 +53,7 @@ ciMethodData::ciMethodData(MethodData* md) : ciMetadata(md) {
_hint_di = first_di();
// Initialize the escape information (to "don't know.");
_eflags = _arg_local = _arg_stack = _arg_returned = 0;
_parameters = NULL;
}
// ------------------------------------------------------------------
@ -74,6 +75,7 @@ ciMethodData::ciMethodData() : ciMetadata(NULL) {
_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() {
@ -108,6 +110,12 @@ void ciMethodData::load_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();
@ -182,6 +190,8 @@ ciProfileData* ciMethodData::data_at(int data_index) {
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);
};
}
@ -318,6 +328,14 @@ void ciMethodData::set_argument_type(int bci, int i, ciKlass* k) {
}
}
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();
@ -605,4 +623,9 @@ void ciVirtualCallTypeData::print_data_on(outputStream* st) const {
ret()->print_data_on(st);
}
}
void ciParametersTypeData::print_data_on(outputStream* st) const {
st->print_cr("Parametertypes");
parameters()->print_data_on(st);
}
#endif