Mon, 08 Dec 2008 17:15:02 -0800
6779339: turn off LinkWellKnownClasses by default pending further testing
Summary: temporarily turn off LinkWellKnownClasses optimization
Reviewed-by: never, kvn
src/share/vm/classfile/classFileParser.cpp | file | annotate | diff | comparison | revisions | |
src/share/vm/runtime/globals.hpp | file | annotate | diff | comparison | revisions |
1.1 --- a/src/share/vm/classfile/classFileParser.cpp Thu Dec 04 08:55:34 2008 -0800 1.2 +++ b/src/share/vm/classfile/classFileParser.cpp Mon Dec 08 17:15:02 2008 -0800 1.3 @@ -581,7 +581,8 @@ 1.4 interf = KlassHandle(THREAD, k); 1.5 vmtimer->resume(); 1.6 1.7 - cp->klass_at_put(interface_index, interf()); // eagerly resolve 1.8 + if (LinkWellKnownClasses) // my super type is well known to me 1.9 + cp->klass_at_put(interface_index, interf()); // eagerly resolve 1.10 } 1.11 1.12 if (!Klass::cast(interf())->is_interface()) { 1.13 @@ -2699,7 +2700,8 @@ 1.14 CHECK_(nullHandle)); 1.15 KlassHandle kh (THREAD, k); 1.16 super_klass = instanceKlassHandle(THREAD, kh()); 1.17 - cp->klass_at_put(super_class_index, super_klass()); // eagerly resolve 1.18 + if (LinkWellKnownClasses) // my super class is well known to me 1.19 + cp->klass_at_put(super_class_index, super_klass()); // eagerly resolve 1.20 } 1.21 if (super_klass.not_null()) { 1.22 if (super_klass->is_interface()) { 1.23 @@ -3128,7 +3130,8 @@ 1.24 this_klass->set_method_ordering(method_ordering()); 1.25 this_klass->set_initial_method_idnum(methods->length()); 1.26 this_klass->set_name(cp->klass_name_at(this_class_index)); 1.27 - cp->klass_at_put(this_class_index, this_klass()); // eagerly resolve 1.28 + if (LinkWellKnownClasses) // I am well known to myself 1.29 + cp->klass_at_put(this_class_index, this_klass()); // eagerly resolve 1.30 this_klass->set_protection_domain(protection_domain()); 1.31 this_klass->set_fields_annotations(fields_annotations()); 1.32 this_klass->set_methods_annotations(methods_annotations());
2.1 --- a/src/share/vm/runtime/globals.hpp Thu Dec 04 08:55:34 2008 -0800 2.2 +++ b/src/share/vm/runtime/globals.hpp Mon Dec 08 17:15:02 2008 -0800 2.3 @@ -815,7 +815,7 @@ 2.4 product(bool, ClassUnloading, true, \ 2.5 "Do unloading of classes") \ 2.6 \ 2.7 - diagnostic(bool, LinkWellKnownClasses, true, \ 2.8 + diagnostic(bool, LinkWellKnownClasses, false, \ 2.9 "Resolve a well known class as soon as its name is seen") \ 2.10 \ 2.11 develop(bool, DisableStartThread, false, \