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annotate graal/GraalCompiler/src/com/sun/c1x/ir/UnsafeRawOp.java @ 2509:16b9a8b5ad39

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Renamings Runtime=>GraalRuntime and Compiler=>GraalCompiler
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 27 Apr 2011 11:50:44 +0200
parents graal/Compiler/src/com/sun/c1x/ir/UnsafeRawOp.java@9ec15d6914ca
children
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2507
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1 /*
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2 * Copyright (c) 2009, 2010, 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.cri.ci.*;
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26
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27 /**
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28 * The {@code UnsafeRawOp} class is the base class of all unsafe raw operations.
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29 *
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30 * @author Ben L. Titzer
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31 */
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32 public abstract class UnsafeRawOp extends UnsafeOp {
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33
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34 Value base;
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35 Value index;
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36 int log2Scale;
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37
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38 /**
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39 * Creates a new UnsafeRawOp instruction.
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40 * @param opKind the kind of the operation
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41 * @param addr the instruction generating the base address (a long)
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42 * @param isStore {@code true} if this operation is a store
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43 */
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44 public UnsafeRawOp(CiKind opKind, Value addr, boolean isStore) {
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45 super(opKind, isStore);
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46 assert addr == null || addr.kind == CiKind.Long;
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47 base = addr;
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48 }
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49
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50 /**
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51 * Creates a new UnsafeRawOp instruction.
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52 * @param opKind the kind of the operation
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53 * @param addr the instruction generating the base address (a long)
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54 * @param index the instruction generating the index
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55 * @param log2scale the log base 2 of the scaling factor
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56 * @param isStore {@code true} if this operation is a store
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57 */
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58 public UnsafeRawOp(CiKind opKind, Value addr, Value index, int log2scale, boolean isStore) {
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59 this(opKind, addr, isStore);
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60 this.base = addr;
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61 this.index = index;
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62 this.log2Scale = log2scale;
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63 }
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64
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65 /**
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66 * Gets the instruction generating the base address for this operation.
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67 * @return the instruction generating the base
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68 */
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69 public Value base() {
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70 return base;
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71 }
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72
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73 /**
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74 * Gets the instruction generating the index for this operation.
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75 * @return the instruction generating the index
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76 */
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77 public Value index() {
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78 return index;
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79 }
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80
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81 /**
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82 * Checks whether this instruction has an index.
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83 * @return {@code true} if this instruction has an index
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84 */
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85 public boolean hasIndex() {
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86 return index != null;
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87 }
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88
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89 /**
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90 * Gets the log base 2 of the scaling factor for the index of this instruction.
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91 * @return the log base 2 of the scaling factor
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92 */
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93 public int log2Scale() {
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94 return log2Scale;
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95 }
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96
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97 /**
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98 * Sets the instruction that generates the base address for this instruction.
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99 * @param base the instruction generating the base address
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100 */
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101 public void setBase(Value base) {
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102 this.base = base;
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103 }
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104
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105 /**
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106 * Sets the instruction generating the base address for this instruction.
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107 * @param index the instruction generating the index
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108 */
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109 public void setIndex(Value index) {
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110 this.index = index;
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111 }
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112
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113 /**
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114 * Sets the scaling factor for the index of this instruction.
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115 * @param log2scale the log base 2 of the scaling factor for this instruction
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116 */
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117 public void setLog2Scale(int log2scale) {
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118 this.log2Scale = log2scale;
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119 }
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120
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121 /**
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122 * Iterates over the input values to this instruction.
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123 * @param closure the closure to apply
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124 */
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125 @Override
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126 public void inputValuesDo(ValueClosure closure) {
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127 super.inputValuesDo(closure);
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128 base = closure.apply(base);
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129 if (index != null) {
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130 index = closure.apply(index);
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131 }
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132 }
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133 }