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annotate graal/Compiler/src/com/sun/c1x/ir/IncrementRegister.java @ 2507:9ec15d6914ca

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Pull over of compiler from maxine repository.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 27 Apr 2011 11:43:22 +0200
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2507
9ec15d6914ca Pull over of compiler from maxine repository.
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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.sun.c1x.debug.*;
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26 import com.sun.cri.ci.*;
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27
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28 /**
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29 * @author Doug Simon
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30 */
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31 public final class IncrementRegister extends Instruction {
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32
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33 public final CiRegister register;
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34 private Value delta;
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35
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36 public IncrementRegister(CiRegister register, Value delta) {
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37 super(CiKind.Void);
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38 this.register = register;
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39 this.delta = delta;
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40 setFlag(Flag.LiveStore);
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41 }
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42
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43 @Override
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44 public void accept(ValueVisitor v) {
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45 v.visitIncrementRegister(this);
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46 }
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47
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48 public Value delta() {
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49 return delta;
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50 }
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51
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52 @Override
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53 public void inputValuesDo(ValueClosure closure) {
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54 delta = closure.apply(delta);
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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(register.toString()).print(" += ").print(delta);
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60 }
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61 }