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annotate graal/Compiler/src/com/sun/c1x/lir/LIRXirInstruction.java @ 2507:9ec15d6914ca
Pull over of compiler from maxine repository.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 27 Apr 2011 11:43:22 +0200 |
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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 } |