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annotate graal/GraalCompiler/src/com/sun/c1x/ir/Shift.java @ 2852:c6bdec623ef9

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Move TypeCHeck to floating nodes, rename Nodes to aboid using an *Op suffix
author Gilles Duboscq <gilles.duboscq@oracle.com>
date Tue, 07 Jun 2011 12:10:27 +0200
parents graal/GraalCompiler/src/com/sun/c1x/ir/ShiftOp.java@14708c03abba
children 7a4e6e11877f
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1 /*
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2 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.sun.c1x.ir;
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24
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25 import com.oracle.graal.graph.*;
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26 import com.sun.c1x.debug.*;
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27 import com.sun.cri.bytecode.*;
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28 import com.sun.cri.ci.*;
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29
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30 /**
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31 * The {@code ShiftOp} class represents shift operations.
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32 */
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33 public final class Shift extends Binary {
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34
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35 private static final int INPUT_COUNT = 0;
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36 private static final int SUCCESSOR_COUNT = 0;
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37
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38 /**
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39 * Creates a new shift operation.
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40 * @param opcode the opcode of the shift
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41 * @param x the first input value
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42 * @param y the second input value
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43 */
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44 public Shift(int opcode, Value x, Value y, Graph graph) {
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45 super(x.kind, opcode, x, y, INPUT_COUNT, SUCCESSOR_COUNT, graph);
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46 }
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47
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48 private Shift(CiKind kind, int opcode, Graph graph) {
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49 super(kind, opcode, null, null, INPUT_COUNT, SUCCESSOR_COUNT, graph);
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50 }
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51
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52 @Override
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53 public void accept(ValueVisitor v) {
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54 v.visitShift(this);
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55 }
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56
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57 @Override
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58 public void print(LogStream out) {
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59 out.print(x()).print(' ').print(Bytecodes.operator(opcode)).print(' ').print(y());
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60 }
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62 @Override
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63 public Node copy(Graph into) {
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64 Shift x = new Shift(kind, opcode, into);
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65 return x;
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66 }
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67 }