hotspot/src/share/vm/ci/ciMethodHandle.cpp
author twisti
Tue, 05 Jan 2010 15:21:25 +0100
changeset 4567 7fc02fbe5c7a
child 5547 f4b087cbb361
permissions -rw-r--r--
6893268: additional dynamic language related optimizations in C2 Summary: C2 needs some additional optimizations to be able to handle MethodHandle invokes and invokedynamic instructions at the best performance. Reviewed-by: kvn, never

/*
 * Copyright 2009 Sun Microsystems, Inc.  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
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 *
 */

#include "incls/_precompiled.incl"
#include "incls/_ciMethodHandle.cpp.incl"

// ciMethodHandle

// ------------------------------------------------------------------
// ciMethodHandle::get_adapter
//
// Return an adapter for this MethodHandle.
ciMethod* ciMethodHandle::get_adapter(bool is_invokedynamic) const {
  VM_ENTRY_MARK;

  Handle h(get_oop());
  methodHandle callee(_callee->get_methodOop());
  MethodHandleCompiler mhc(h, callee, is_invokedynamic, THREAD);
  methodHandle m = mhc.compile(CHECK_NULL);
  return CURRENT_ENV->get_object(m())->as_method();
}


// ------------------------------------------------------------------
// ciMethodHandle::print_impl
//
// Implementation of the print method.
void ciMethodHandle::print_impl(outputStream* st) {
  st->print(" type=");
  get_oop()->print();
}