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8026054: New type profiling points: type of return values at calls

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X86 interpreter and c1 type profiling for return values at calls

Reviewed-by: kvn, twisti
This commit is contained in:
Roland Westrelin 2013-10-12 12:12:59 +02:00
parent 0fa4a576fd
commit c8bfc7e7d7
24 changed files with 814 additions and 216 deletions
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69
hotspot/src/share/vm/ci/ciMethodData.hpp
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@ -104,20 +104,55 @@ public:
#endif
};
class ciReturnTypeEntry : public ReturnTypeEntry, ciTypeEntries {
public:
void translate_type_data_from(const ReturnTypeEntry* ret);
ciKlass* valid_type() const {
return valid_ciklass(type());
}
#ifndef PRODUCT
void print_data_on(outputStream* st) const;
#endif
};
class ciCallTypeData : public CallTypeData {
public:
ciCallTypeData(DataLayout* layout) : CallTypeData(layout) {}
ciTypeStackSlotEntries* args() const { return (ciTypeStackSlotEntries*)CallTypeData::args(); }
ciReturnTypeEntry* ret() const { return (ciReturnTypeEntry*)CallTypeData::ret(); }
virtual void translate_from(const ProfileData* data) {
args()->translate_type_data_from(data->as_CallTypeData()->args());
void translate_type_data_from(const ProfileData* data) {
if (has_arguments()) {
args()->translate_type_data_from(data->as_CallTypeData()->args());
}
if (has_return()) {
ret()->translate_type_data_from(data->as_CallTypeData()->ret());
}
}
intptr_t argument_type(int i) const {
assert(has_arguments(), "no arg type profiling data");
return args()->type(i);
}
ciKlass* valid_argument_type(int i) const {
assert(has_arguments(), "no arg type profiling data");
return args()->valid_type(i);
}
intptr_t return_type() const {
assert(has_return(), "no ret type profiling data");
return ret()->type();
}
ciKlass* valid_return_type() const {
assert(has_return(), "no ret type profiling data");
return ret()->valid_type();
}
#ifndef PRODUCT
void print_data_on(outputStream* st) const;
#endif
@ -179,12 +214,9 @@ class ciVirtualCallTypeData : public VirtualCallTypeData {
private:
// Fake multiple inheritance... It's a ciReceiverTypeData also.
ciReceiverTypeData* rtd_super() const { return (ciReceiverTypeData*) this; }
public:
ciVirtualCallTypeData(DataLayout* layout) : VirtualCallTypeData(layout) {}
ciTypeStackSlotEntries* args() const { return (ciTypeStackSlotEntries*)VirtualCallTypeData::args(); }
void set_receiver(uint row, ciKlass* recv) {
rtd_super()->set_receiver(row, recv);
}
@ -193,16 +225,40 @@ public:
return rtd_super()->receiver(row);
}
ciTypeStackSlotEntries* args() const { return (ciTypeStackSlotEntries*)VirtualCallTypeData::args(); }
ciReturnTypeEntry* ret() const { return (ciReturnTypeEntry*)VirtualCallTypeData::ret(); }
// Copy & translate from oop based VirtualCallData
virtual void translate_from(const ProfileData* data) {
rtd_super()->translate_receiver_data_from(data);
args()->translate_type_data_from(data->as_VirtualCallTypeData()->args());
if (has_arguments()) {
args()->translate_type_data_from(data->as_VirtualCallTypeData()->args());
}
if (has_return()) {
ret()->translate_type_data_from(data->as_VirtualCallTypeData()->ret());
}
}
intptr_t argument_type(int i) const {
assert(has_arguments(), "no arg type profiling data");
return args()->type(i);
}
ciKlass* valid_argument_type(int i) const {
assert(has_arguments(), "no arg type profiling data");
return args()->valid_type(i);
}
intptr_t return_type() const {
assert(has_return(), "no ret type profiling data");
return ret()->type();
}
ciKlass* valid_return_type() const {
assert(has_return(), "no ret type profiling data");
return ret()->valid_type();
}
#ifndef PRODUCT
void print_data_on(outputStream* st) const;
#endif
@ -347,6 +403,7 @@ public:
// If the compiler finds a profiled type that is known statically
// for sure, set it in the MethodData
void set_argument_type(int bci, int i, ciKlass* k);
void set_return_type(int bci, ciKlass* k);
void load_data();