Mercurial > hg > graal-compiler
diff 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 |
---|---|
date | Tue, 05 Jan 2010 15:21:25 +0100 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/ci/ciMethodHandle.hpp Tue Jan 05 15:21:25 2010 +0100 @@ -0,0 +1,56 @@ +/* + * 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. + * + */ + +// ciMethodHandle +// +// The class represents a java.dyn.MethodHandle object. +class ciMethodHandle : public ciInstance { +private: + ciMethod* _callee; + + // Return an adapter for this MethodHandle. + ciMethod* get_adapter(bool is_invokedynamic) const; + +protected: + void print_impl(outputStream* st); + +public: + ciMethodHandle(instanceHandle h_i) : ciInstance(h_i) {}; + + // What kind of ciObject is this? + bool is_method_handle() const { return true; } + + ciMethod* callee() const { return _callee; } + void set_callee(ciMethod* m) { _callee = m; } + + // Return an adapter for a MethodHandle call. + ciMethod* get_method_handle_adapter() const { + return get_adapter(false); + } + + // Return an adapter for an invokedynamic call. + ciMethod* get_invokedynamic_adapter() const { + return get_adapter(true); + } +};