Mercurial > hg > graal-compiler
diff src/share/vm/runtime/fieldDescriptor.cpp @ 6100:71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
Summary: Only allocate the generic signature index slot in the field array for field with generic signature attribute.
Reviewed-by: coleenp, dlong
author | jiangli |
---|---|
date | Mon, 21 May 2012 14:10:35 -0400 |
parents | e6b1331a51d2 |
children | 634b8615a6ba |
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--- a/src/share/vm/runtime/fieldDescriptor.cpp Fri May 18 14:57:28 2012 -0700 +++ b/src/share/vm/runtime/fieldDescriptor.cpp Mon May 21 14:10:35 2012 -0400 @@ -28,6 +28,7 @@ #include "memory/resourceArea.hpp" #include "memory/universe.inline.hpp" #include "oops/instanceKlass.hpp" +#include "oops/fieldStreams.hpp" #include "runtime/fieldDescriptor.hpp" #include "runtime/handles.inline.hpp" #include "runtime/signature.hpp" @@ -37,6 +38,20 @@ return instanceKlass::cast(_cp->pool_holder())->class_loader(); } +Symbol* fieldDescriptor::generic_signature() const { + int idx = 0; + instanceKlass* ik = instanceKlass::cast(field_holder()); + for (AllFieldStream fs(ik); !fs.done(); fs.next()) { + if (idx == _index) { + return fs.generic_signature(); + } else { + idx ++; + } + } + assert(false, "should never happen"); + return NULL; +} + typeArrayOop fieldDescriptor::annotations() const { instanceKlass* ik = instanceKlass::cast(field_holder()); objArrayOop md = ik->fields_annotations();