1/*
2 * Copyright (c) 2009, 2015, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23package org.graalvm.compiler.nodes.calc;
24
25import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_16;
26import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_1;
27
28import org.graalvm.compiler.core.common.type.ArithmeticOpTable;
29import org.graalvm.compiler.core.common.type.ArithmeticOpTable.UnaryOp.Sqrt;
30import org.graalvm.compiler.graph.NodeClass;
31import org.graalvm.compiler.lir.gen.ArithmeticLIRGeneratorTool;
32import org.graalvm.compiler.nodeinfo.NodeInfo;
33import org.graalvm.compiler.nodes.ValueNode;
34import org.graalvm.compiler.nodes.spi.ArithmeticLIRLowerable;
35import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;
36
37/**
38 * Square root.
39 */
40@NodeInfo(cycles = CYCLES_16, size = SIZE_1)
41public final class SqrtNode extends UnaryArithmeticNode<Sqrt> implements ArithmeticLIRLowerable {
42
43    public static final NodeClass<SqrtNode> TYPE = NodeClass.create(SqrtNode.class);
44
45    public SqrtNode(ValueNode x) {
46        super(TYPE, ArithmeticOpTable::getSqrt, x);
47    }
48
49    @Override
50    public void generate(NodeLIRBuilderTool nodeValueMap, ArithmeticLIRGeneratorTool gen) {
51        nodeValueMap.setResult(this, gen.emitMathSqrt(nodeValueMap.operand(getValue())));
52    }
53}
54