Mercurial > hg > truffle
view graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/MathPowNode.java @ 18998:ec0733b5a90a
Allow final modifier on node subclasses and start adding the modifier to leaf classes.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Wed, 28 Jan 2015 02:34:14 +0100 |
parents | 858b1e3ab2ee |
children | d77073bffd10 |
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/* * Copyright (c) 2015, 2015, 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.oracle.graal.replacements.nodes; import com.oracle.graal.graph.spi.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.extended.*; /** * This is an extension of {@link MacroNode} that is a {@link StateSplit} and a * {@link MemoryCheckpoint}. */ @NodeInfo public class MathPowNode extends MacroStateSplitNode implements Canonicalizable.Binary<ValueNode> { public MathPowNode(Invoke i) { super(i); } public ValueNode canonical(CanonicalizerTool tool, ValueNode forX, ValueNode forY) { if (forX.isConstant() && forY.isConstant()) { double x = forX.asJavaConstant().asDouble(); double y = forY.asJavaConstant().asDouble(); return ConstantNode.forDouble(Math.pow(x, y)); } else { return this; } } public ValueNode getX() { return arguments.get(0); } public ValueNode getY() { return arguments.get(1); } }