--- a/hotspot/src/share/vm/code/compiledIC.cpp Tue Sep 17 23:12:27 2013 +0200
+++ b/hotspot/src/share/vm/code/compiledIC.cpp Fri Sep 13 22:38:02 2013 -0400
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -161,31 +161,36 @@
void CompiledIC::set_to_megamorphic(CallInfo* call_info, Bytecodes::Code bytecode, TRAPS) {
- methodHandle method = call_info->selected_method();
- bool is_invoke_interface = (bytecode == Bytecodes::_invokeinterface && !call_info->has_vtable_index());
assert(CompiledIC_lock->is_locked() || SafepointSynchronize::is_at_safepoint(), "");
assert(!is_optimized(), "cannot set an optimized virtual call to megamorphic");
assert(is_call_to_compiled() || is_call_to_interpreted(), "going directly to megamorphic?");
address entry;
- if (is_invoke_interface) {
- int index = klassItable::compute_itable_index(call_info->resolved_method()());
- entry = VtableStubs::create_stub(false, index, method());
+ if (call_info->call_kind() == CallInfo::itable_call) {
+ assert(bytecode == Bytecodes::_invokeinterface, "");
+ int itable_index = call_info->itable_index();
+ entry = VtableStubs::find_itable_stub(itable_index);
+#ifdef ASSERT
assert(entry != NULL, "entry not computed");
+ int index = call_info->resolved_method()->itable_index();
+ assert(index == itable_index, "CallInfo pre-computes this");
+#endif //ASSERT
InstanceKlass* k = call_info->resolved_method()->method_holder();
- assert(k->is_interface(), "sanity check");
+ assert(k->verify_itable_index(itable_index), "sanity check");
InlineCacheBuffer::create_transition_stub(this, k, entry);
} else {
- // Can be different than method->vtable_index(), due to package-private etc.
+ assert(call_info->call_kind() == CallInfo::vtable_call, "either itable or vtable");
+ // Can be different than selected_method->vtable_index(), due to package-private etc.
int vtable_index = call_info->vtable_index();
- entry = VtableStubs::create_stub(true, vtable_index, method());
- InlineCacheBuffer::create_transition_stub(this, method(), entry);
+ assert(call_info->resolved_klass()->verify_vtable_index(vtable_index), "sanity check");
+ entry = VtableStubs::find_vtable_stub(vtable_index);
+ InlineCacheBuffer::create_transition_stub(this, NULL, entry);
}
if (TraceICs) {
ResourceMark rm;
tty->print_cr ("IC@" INTPTR_FORMAT ": to megamorphic %s entry: " INTPTR_FORMAT,
- instruction_address(), method->print_value_string(), entry);
+ instruction_address(), call_info->selected_method()->print_value_string(), entry);
}
// We can't check this anymore. With lazy deopt we could have already