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annotate graal/com.oracle.max.graal.compiler/src/com/sun/c1x/lir/LIRXirInstruction.java @ 2872:0341b6424579

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Project renaming.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 08 Jun 2011 08:42:25 +0200
parents graal/GraalCompiler/src/com/sun/c1x/lir/LIRXirInstruction.java@16b9a8b5ad39
children
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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.lir;
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24
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25 import java.util.*;
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26
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27 import com.sun.c1x.*;
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28 import com.sun.c1x.gen.*;
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29 import com.sun.cri.ci.*;
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30 import com.sun.cri.ri.*;
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31 import com.sun.cri.xir.*;
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32
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33 public class LIRXirInstruction extends LIRInstruction {
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34
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35 public final CiValue[] originalOperands;
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36 public final int outputOperandIndex;
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37 public final int[] operandIndices;
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38 public final XirSnippet snippet;
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39 public final RiMethod method;
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40 public final int inputTempCount;
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41 public final int tempCount;
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42 public final int inputCount;
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43 public final List<CiValue> pointerSlots;
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44 public final LIRDebugInfo infoAfter;
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45
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46 public LIRXirInstruction(XirSnippet snippet,
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47 CiValue[] originalOperands,
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48 CiValue outputOperand,
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49 int inputTempCount,
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50 int tempCount,
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51 CiValue[] operands,
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52 int[] operandIndices,
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53 int outputOperandIndex,
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54 LIRDebugInfo info,
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55 LIRDebugInfo infoAfter,
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56 RiMethod method,
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57 List<CiValue> pointerSlots) {
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58 super(LIROpcode.Xir, outputOperand, info, false, inputTempCount, tempCount, operands);
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59 this.infoAfter = infoAfter;
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60 this.pointerSlots = pointerSlots;
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61 assert this.pointerSlots == null || this.pointerSlots.size() >= 0;
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62 this.method = method;
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63 this.snippet = snippet;
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64 this.operandIndices = operandIndices;
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65 this.outputOperandIndex = outputOperandIndex;
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66 this.originalOperands = originalOperands;
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67 this.inputTempCount = inputTempCount;
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68 this.tempCount = tempCount;
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69 this.inputCount = operands.length - inputTempCount - tempCount;
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70
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71 C1XMetrics.LIRXIRInstructions++;
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72 }
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73
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74 public CiValue[] getOperands() {
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75 for (int i = 0; i < operandIndices.length; i++) {
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76 originalOperands[operandIndices[i]] = operand(i);
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77 }
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78 if (outputOperandIndex != -1) {
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79 originalOperands[outputOperandIndex] = result();
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80 }
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81 return originalOperands;
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82 }
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83
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84 /**
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85 * Emits target assembly code for this instruction.
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86 *
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87 * @param masm the target assembler
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88 */
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89 @Override
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90 public void emitCode(LIRAssembler masm) {
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91 masm.emitXir(this);
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92 }
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93
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94 /**
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95 * Prints this instruction.
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96 */
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97 @Override
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98 public String operationString(OperandFormatter operandFmt) {
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99 return toString(operandFmt);
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100 }
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101
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102 @Override
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103 public String toString(OperandFormatter operandFmt) {
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104 StringBuilder sb = new StringBuilder();
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105 sb.append("XIR: ");
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106
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107 if (result().isLegal()) {
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108 sb.append(operandFmt.format(result()) + " = ");
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109 }
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110
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111 sb.append(snippet.template);
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112 sb.append("(");
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113 for (int i = 0; i < snippet.arguments.length; i++) {
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114 XirArgument a = snippet.arguments[i];
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115 if (i > 0) {
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116 sb.append(", ");
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117 }
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118 if (a.constant != null) {
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119 sb.append(operandFmt.format(a.constant));
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120 } else {
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121 Object o = a.object;
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122 if (o instanceof LIRItem) {
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123 sb.append(operandFmt.format(((LIRItem) o).result()));
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124 } else if (o instanceof CiValue) {
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125 sb.append(operandFmt.format((CiValue) o));
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126 } else {
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127 sb.append(o);
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128 }
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129 }
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130 }
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131 sb.append(')');
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132
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133 if (method != null) {
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134 sb.append(" method=");
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135 sb.append(method.toString());
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136 }
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137
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138
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139 for (LIRInstruction.OperandMode mode : LIRInstruction.OPERAND_MODES) {
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140 int n = operandCount(mode);
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141 if (mode == OperandMode.Output && n <= 1) {
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142 // Already printed single output (i.e. result())
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143 continue;
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144 }
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145 if (n != 0) {
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146 sb.append(' ').append(mode.name().toLowerCase()).append("=(");
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147 HashSet<String> operands = new HashSet<String>();
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148 for (int i = 0; i < n; i++) {
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149 String operand = operandFmt.format(operandAt(mode, i));
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150 if (!operands.contains(operand)) {
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151 if (!operands.isEmpty()) {
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152 sb.append(", ");
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153 }
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154 operands.add(operand);
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155 sb.append(operand);
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156 }
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157 }
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158 sb.append(')');
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159 }
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160 }
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161
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162 appendDebugInfo(sb, operandFmt, info);
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163
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164 return sb.toString();
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165 }
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166 }