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6779339: turn off LinkWellKnownClasses by default pending further testing

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Temporarily turn off LinkWellKnownClasses optimization

Reviewed-by: never, kvn
This commit is contained in:
John R Rose 2008-12-08 17:15:02 -08:00
parent d9c6682945
commit e50f766540
2 changed files with 7 additions and 4 deletions
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9
hotspot/src/share/vm/classfile/classFileParser.cpp
View File

@ -581,7 +581,8 @@ objArrayHandle ClassFileParser::parse_interfaces(constantPoolHandle cp,
interf = KlassHandle(THREAD, k);
vmtimer->resume();
cp->klass_at_put(interface_index, interf()); // eagerly resolve
if (LinkWellKnownClasses) // my super type is well known to me
cp->klass_at_put(interface_index, interf()); // eagerly resolve
}
if (!Klass::cast(interf())->is_interface()) {
@ -2699,7 +2700,8 @@ instanceKlassHandle ClassFileParser::parseClassFile(symbolHandle name,
CHECK_(nullHandle));
KlassHandle kh (THREAD, k);
super_klass = instanceKlassHandle(THREAD, kh());
cp->klass_at_put(super_class_index, super_klass()); // eagerly resolve
if (LinkWellKnownClasses) // my super class is well known to me
cp->klass_at_put(super_class_index, super_klass()); // eagerly resolve
}
if (super_klass.not_null()) {
if (super_klass->is_interface()) {
@ -3128,7 +3130,8 @@ instanceKlassHandle ClassFileParser::parseClassFile(symbolHandle name,
this_klass->set_method_ordering(method_ordering());
this_klass->set_initial_method_idnum(methods->length());
this_klass->set_name(cp->klass_name_at(this_class_index));
cp->klass_at_put(this_class_index, this_klass()); // eagerly resolve
if (LinkWellKnownClasses) // I am well known to myself
cp->klass_at_put(this_class_index, this_klass()); // eagerly resolve
this_klass->set_protection_domain(protection_domain());
this_klass->set_fields_annotations(fields_annotations());
this_klass->set_methods_annotations(methods_annotations());

2
hotspot/src/share/vm/runtime/globals.hpp
View File

@ -815,7 +815,7 @@ class CommandLineFlags {
product(bool, ClassUnloading, true, \
"Do unloading of classes") \
\
diagnostic(bool, LinkWellKnownClasses, true, \
diagnostic(bool, LinkWellKnownClasses, false, \
"Resolve a well known class as soon as its name is seen") \
\
develop(bool, DisableStartThread, false, \