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7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass

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Change implementor to embedded instanceKlass field.

Reviewed-by: sspitsyn, minqi, coleenp
This commit is contained in:
Jiangli Zhou 2012-03-29 22:18:56 -04:00
parent 50a2f8c16d
commit 4a02eb3afe
14 changed files with 183 additions and 165 deletions
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4
hotspot/src/share/vm/c1/c1_GraphBuilder.cpp
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@ -1694,7 +1694,9 @@ void GraphBuilder::invoke(Bytecodes::Code code) {
// they are roughly equivalent to Object.
ciInstanceKlass* singleton = NULL;
if (target->holder()->nof_implementors() == 1) {
singleton = target->holder()->implementor(0);
singleton = target->holder()->implementor();
assert(singleton != NULL && singleton != target->holder(),
"just checking");
assert(holder->is_interface(), "invokeinterface to non interface?");
ciInstanceKlass* decl_interface = (ciInstanceKlass*)holder;