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8148481: Devirtualize Klass::vtable

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Move remainder of vtable related methods to Klass

Reviewed-by: cjplummer, coleenp
This commit is contained in:
Mikael Gerdin 2016-01-19 12:07:32 +01:00
parent 211dc93a85
commit 3cda485fe5
12 changed files with 44 additions and 73 deletions
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6
hotspot/src/share/vm/prims/jni.cpp
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@ -1131,11 +1131,7 @@ static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receive
assert(m->valid_vtable_index(), "no valid vtable index");
int vtbl_index = m->vtable_index();
if (vtbl_index != Method::nonvirtual_vtable_index) {
Klass* k = h_recv->klass();
// k might be an arrayKlassOop but all vtables start at
// the same place. The cast is to avoid virtual call and assertion.
InstanceKlass *ik = (InstanceKlass*)k;
selected_method = ik->method_at_vtable(vtbl_index);
selected_method = h_recv->klass()->method_at_vtable(vtbl_index);
} else {
// final method
selected_method = m;