comparison src/share/vm/ci/ciMethodHandle.cpp @ 1138:dd57230ba8fe

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
author twisti
date Tue, 05 Jan 2010 15:21:25 +0100
parents
children c18cbe5936b8
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1137:97125851f396 1138:dd57230ba8fe
1 /*
2 * Copyright 2009 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 #include "incls/_precompiled.incl"
26 #include "incls/_ciMethodHandle.cpp.incl"
27
28 // ciMethodHandle
29
30 // ------------------------------------------------------------------
31 // ciMethodHandle::get_adapter
32 //
33 // Return an adapter for this MethodHandle.
34 ciMethod* ciMethodHandle::get_adapter(bool is_invokedynamic) const {
35 VM_ENTRY_MARK;
36
37 Handle h(get_oop());
38 methodHandle callee(_callee->get_methodOop());
39 MethodHandleCompiler mhc(h, callee, is_invokedynamic, THREAD);
40 methodHandle m = mhc.compile(CHECK_NULL);
41 return CURRENT_ENV->get_object(m())->as_method();
42 }
43
44
45 // ------------------------------------------------------------------
46 // ciMethodHandle::print_impl
47 //
48 // Implementation of the print method.
49 void ciMethodHandle::print_impl(outputStream* st) {
50 st->print(" type=");
51 get_oop()->print();
52 }