Mercurial > hg > truffle
diff graal/com.oracle.max.graal.compiler/src/com/sun/c1x/ir/RegisterFinalizer.java @ 2872:0341b6424579
Project renaming.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
---|---|
date | Wed, 08 Jun 2011 08:42:25 +0200 |
parents | graal/GraalCompiler/src/com/sun/c1x/ir/RegisterFinalizer.java@14708c03abba |
children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.max.graal.compiler/src/com/sun/c1x/ir/RegisterFinalizer.java Wed Jun 08 08:42:25 2011 +0200 @@ -0,0 +1,82 @@ +/* + * Copyright (c) 2011, 2011, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package com.sun.c1x.ir; + +import com.oracle.graal.graph.*; +import com.sun.c1x.debug.*; +import com.sun.c1x.value.*; +import com.sun.cri.ci.*; + +/** + * This instruction is used to perform the finalizer registration at the end of the java.lang.Object constructor. + */ +public class RegisterFinalizer extends StateSplit { + + private static final int INPUT_COUNT = 1; + private static final int INPUT_OBJECT = 0; + + private static final int SUCCESSOR_COUNT = 0; + + @Override + protected int inputCount() { + return super.inputCount() + INPUT_COUNT; + } + + @Override + protected int successorCount() { + return super.successorCount() + SUCCESSOR_COUNT; + } + + /** + * The instruction that produces the object whose finalizer should be registered. + */ + public Value object() { + return (Value) inputs().get(super.inputCount() + INPUT_OBJECT); + } + + public Value setObject(Value n) { + return (Value) inputs().set(super.inputCount() + INPUT_OBJECT, n); + } + + public RegisterFinalizer(Value object, FrameState stateBefore, Graph graph) { + super(CiKind.Void, INPUT_COUNT, SUCCESSOR_COUNT, graph); + setObject(object); + setStateBefore(stateBefore); + } + + @Override + public void accept(ValueVisitor v) { + v.visitRegisterFinalizer(this); + } + + @Override + public void print(LogStream out) { + out.print("register finalizer ").print(object()); + } + + @Override + public Node copy(Graph into) { + RegisterFinalizer x = new RegisterFinalizer(null, null, into); + return x; + } +}