Mercurial > hg > graal-jvmci-8
comparison src/share/vm/ci/ciMethodHandle.hpp @ 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 |
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date | Tue, 05 Jan 2010 15:21:25 +0100 |
parents | |
children | c18cbe5936b8 |
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1137:97125851f396 | 1138:dd57230ba8fe |
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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 // ciMethodHandle | |
26 // | |
27 // The class represents a java.dyn.MethodHandle object. | |
28 class ciMethodHandle : public ciInstance { | |
29 private: | |
30 ciMethod* _callee; | |
31 | |
32 // Return an adapter for this MethodHandle. | |
33 ciMethod* get_adapter(bool is_invokedynamic) const; | |
34 | |
35 protected: | |
36 void print_impl(outputStream* st); | |
37 | |
38 public: | |
39 ciMethodHandle(instanceHandle h_i) : ciInstance(h_i) {}; | |
40 | |
41 // What kind of ciObject is this? | |
42 bool is_method_handle() const { return true; } | |
43 | |
44 ciMethod* callee() const { return _callee; } | |
45 void set_callee(ciMethod* m) { _callee = m; } | |
46 | |
47 // Return an adapter for a MethodHandle call. | |
48 ciMethod* get_method_handle_adapter() const { | |
49 return get_adapter(false); | |
50 } | |
51 | |
52 // Return an adapter for an invokedynamic call. | |
53 ciMethod* get_invokedynamic_adapter() const { | |
54 return get_adapter(true); | |
55 } | |
56 }; |