hotspot/test/compiler/jsr292/NonInlinedCall/NonInlinedReinvoker.java
author vlivanov
Fri, 04 Dec 2015 23:46:19 +0300
changeset 35086 bbf32241d851
permissions -rw-r--r--
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls Reviewed-by: jrose, dlong, aph, forax
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/*
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 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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package java.lang.invoke;
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class NonInlinedReinvoker extends DelegatingMethodHandle {
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    private final MethodHandle target;
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    private NonInlinedReinvoker(MethodHandle target, LambdaForm lf) {
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        super(target.type(), lf);
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        this.target = target;
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    }
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    @Override
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    protected MethodHandle getTarget() {
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        return target;
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    }
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    @Override
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    MethodHandle asTypeUncached(MethodType newType) {
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        return asTypeCache = target.asType(newType);
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    }
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    static MethodHandle make(MethodHandle target) {
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        LambdaForm lform = DelegatingMethodHandle.makeReinvokerForm(
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                target, -1, DelegatingMethodHandle.class, "reinvoker.dontInline",
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                /*forceInline=*/false, DelegatingMethodHandle.NF_getTarget, null);
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        return new NonInlinedReinvoker(target, lform);
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    }
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}