Mercurial > hg > graal-jvmci-8
annotate graal/GraalCompiler/src/com/sun/c1x/gen/LIRGenerator.java @ 2801:2af109bec0c0
Make block contains a list of nodes instead a list of instructions.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Fri, 27 May 2011 15:11:34 +0200 |
parents | d6bf240963fb |
children | c3f64b66fc78 |
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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.gen; |
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24 |
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25 import static com.sun.cri.bytecode.Bytecodes.*; |
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26 import static com.sun.cri.bytecode.Bytecodes.MemoryBarriers.*; |
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27 import static com.sun.cri.ci.CiCallingConvention.Type.*; |
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28 import static com.sun.cri.ci.CiValue.*; |
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29 |
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30 import java.lang.reflect.*; |
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31 import java.util.*; |
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32 |
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33 import com.oracle.graal.graph.*; |
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34 import com.oracle.max.asm.*; |
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35 import com.sun.c1x.*; |
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36 import com.sun.c1x.alloc.*; |
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37 import com.sun.c1x.alloc.OperandPool.*; |
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38 import com.sun.c1x.debug.*; |
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39 import com.sun.c1x.globalstub.*; |
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40 import com.sun.c1x.graph.*; |
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41 import com.sun.c1x.ir.*; |
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42 import com.sun.c1x.lir.*; |
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43 import com.sun.c1x.util.*; |
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44 import com.sun.c1x.value.*; |
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45 import com.sun.cri.bytecode.*; |
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46 import com.sun.cri.ci.*; |
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47 import com.sun.cri.ri.*; |
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48 import com.sun.cri.xir.*; |
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49 import com.sun.cri.xir.CiXirAssembler.*; |
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50 |
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51 /** |
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52 * This class traverses the HIR instructions and generates LIR instructions from them. |
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53 */ |
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54 public abstract class LIRGenerator extends ValueVisitor { |
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55 |
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56 /** |
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57 * Helper class for inserting memory barriers as necessary to implement the Java Memory Model |
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58 * with respect to volatile field accesses. |
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59 * |
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60 * @see MemoryBarriers |
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61 */ |
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62 class VolatileMemoryAccess { |
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63 /** |
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64 * Inserts any necessary memory barriers before a volatile write as required by the JMM. |
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65 */ |
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66 void preVolatileWrite() { |
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67 int barriers = compilation.target.arch.requiredBarriers(JMM_PRE_VOLATILE_WRITE); |
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68 if (compilation.target.isMP && barriers != 0) { |
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69 lir.membar(barriers); |
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70 } |
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71 } |
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72 |
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73 /** |
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74 * Inserts any necessary memory barriers after a volatile write as required by the JMM. |
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75 */ |
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76 void postVolatileWrite() { |
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77 int barriers = compilation.target.arch.requiredBarriers(JMM_POST_VOLATILE_WRITE); |
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78 if (compilation.target.isMP && barriers != 0) { |
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79 lir.membar(barriers); |
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80 } |
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81 } |
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82 |
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83 /** |
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84 * Inserts any necessary memory barriers before a volatile read as required by the JMM. |
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85 */ |
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86 void preVolatileRead() { |
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87 int barriers = compilation.target.arch.requiredBarriers(JMM_PRE_VOLATILE_READ); |
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88 if (compilation.target.isMP && barriers != 0) { |
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89 lir.membar(barriers); |
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90 } |
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91 } |
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92 |
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93 /** |
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94 * Inserts any necessary memory barriers after a volatile read as required by the JMM. |
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95 */ |
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96 void postVolatileRead() { |
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97 // Ensure field's data is loaded before any subsequent loads or stores. |
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98 int barriers = compilation.target.arch.requiredBarriers(LOAD_LOAD | LOAD_STORE); |
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99 if (compilation.target.isMP && barriers != 0) { |
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100 lir.membar(barriers); |
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101 } |
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102 } |
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103 } |
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104 |
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105 /** |
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106 * Forces the result of a given instruction to be available in a given register, |
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107 * inserting move instructions if necessary. |
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108 * |
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109 * @param instruction an instruction that produces a {@linkplain Value#operand() result} |
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110 * @param register the {@linkplain CiRegister} in which the result of {@code instruction} must be available |
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111 * @return {@code register} as an operand |
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112 */ |
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113 protected CiValue force(Value instruction, CiRegister register) { |
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114 return force(instruction, register.asValue(instruction.kind)); |
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115 } |
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116 |
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117 /** |
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118 * Forces the result of a given instruction to be available in a given operand, |
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119 * inserting move instructions if necessary. |
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120 * |
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121 * @param instruction an instruction that produces a {@linkplain Value#operand() result} |
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122 * @param operand the operand in which the result of {@code instruction} must be available |
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123 * @return {@code operand} |
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124 */ |
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125 protected CiValue force(Value instruction, CiValue operand) { |
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126 CiValue result = makeOperand(instruction); |
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127 if (result != operand) { |
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128 assert result.kind != CiKind.Illegal; |
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129 if (!compilation.archKindsEqual(result.kind, operand.kind)) { |
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130 // moves between different types need an intervening spill slot |
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131 CiValue tmp = forceToSpill(result, operand.kind, false); |
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132 lir.move(tmp, operand); |
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133 } else { |
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134 lir.move(result, operand); |
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135 } |
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136 } |
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137 return operand; |
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138 } |
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139 |
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140 protected CiValue load(Value val) { |
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141 CiValue result = makeOperand(val); |
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142 if (!result.isVariableOrRegister()) { |
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143 CiVariable operand = newVariable(val.kind); |
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144 lir.move(result, operand); |
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145 return operand; |
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146 } |
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147 return result; |
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148 } |
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149 |
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150 // the range of values in a lookupswitch or tableswitch statement |
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151 private static final class SwitchRange { |
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152 final int lowKey; |
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153 int highKey; |
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154 final LIRBlock sux; |
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155 |
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156 SwitchRange(int lowKey, LIRBlock sux) { |
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157 this.lowKey = lowKey; |
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158 this.highKey = lowKey; |
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159 this.sux = sux; |
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160 } |
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161 } |
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162 |
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163 protected final C1XCompilation compilation; |
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164 protected final IR ir; |
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165 protected final XirSupport xirSupport; |
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166 protected final RiXirGenerator xir; |
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167 protected final boolean isTwoOperand; |
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168 |
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169 private LIRBlock currentBlock; |
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170 |
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171 public final OperandPool operands; |
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172 |
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173 private Value currentInstruction; |
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174 private Value lastInstructionPrinted; // Debugging only |
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175 |
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176 private List<CiConstant> constants; |
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177 private List<CiVariable> variablesForConstants; |
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178 protected LIRList lir; |
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179 final VolatileMemoryAccess vma; |
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180 private ArrayList<DeoptimizationStub> deoptimizationStubs; |
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181 private FrameState lastState; |
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182 |
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183 public LIRGenerator(C1XCompilation compilation) { |
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184 this.compilation = compilation; |
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185 this.ir = compilation.hir(); |
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186 this.xir = compilation.compiler.xir; |
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187 this.xirSupport = new XirSupport(); |
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188 this.isTwoOperand = compilation.target.arch.twoOperandMode(); |
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189 this.vma = new VolatileMemoryAccess(); |
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190 |
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191 constants = new ArrayList<CiConstant>(); |
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192 variablesForConstants = new ArrayList<CiVariable>(); |
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193 |
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194 this.operands = new OperandPool(compilation.target); |
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195 |
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196 new PhiSimplifier(ir); |
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197 } |
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198 |
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199 public ArrayList<DeoptimizationStub> deoptimizationStubs() { |
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200 return deoptimizationStubs; |
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201 } |
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202 |
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203 private void addDeoptimizationStub(DeoptimizationStub stub) { |
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204 if (deoptimizationStubs == null) { |
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205 deoptimizationStubs = new ArrayList<LIRGenerator.DeoptimizationStub>(); |
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206 } |
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207 deoptimizationStubs.add(stub); |
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208 } |
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209 |
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210 public static class DeoptimizationStub { |
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211 public final Label label = new Label(); |
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212 public final LIRDebugInfo info; |
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213 |
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214 public DeoptimizationStub(FrameState state) { |
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215 info = new LIRDebugInfo(state, null); |
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216 } |
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217 } |
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218 |
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219 public void doBlock(LIRBlock block) { |
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220 blockDoProlog(block); |
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221 this.currentBlock = block; |
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222 |
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223 if (C1XOptions.TraceLIRGeneratorLevel >= 1) { |
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224 TTY.println("BEGIN Generating LIR for block B" + block.blockID()); |
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225 } |
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226 |
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227 for (Node instr : block.getInstructions()) { |
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228 FrameState stateAfter = null; |
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229 if (instr instanceof Instruction) { |
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230 stateAfter = ((Instruction) instr).stateAfter(); |
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231 } |
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232 FrameState stateBefore = null; |
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233 if (instr instanceof StateSplit && ((StateSplit) instr).stateBefore() != null) { |
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234 stateBefore = ((StateSplit) instr).stateBefore(); |
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235 } |
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236 if (stateBefore != null) { |
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237 lastState = stateBefore; |
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238 if (C1XOptions.TraceLIRGeneratorLevel >= 2) { |
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239 TTY.println("STATE CHANGE (stateBefore)"); |
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240 if (C1XOptions.TraceLIRGeneratorLevel >= 3) { |
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241 TTY.println(stateBefore.toString()); |
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242 } |
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243 } |
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244 } |
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245 if (!(instr instanceof Merge) && instr != instr.graph().start()) { |
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246 walkState(instr, stateAfter); |
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247 doRoot((Value) instr); |
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248 } |
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249 if (stateAfter != null) { |
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250 lastState = stateAfter; |
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251 if (C1XOptions.TraceLIRGeneratorLevel >= 2) { |
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252 TTY.println("STATE CHANGE"); |
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253 if (C1XOptions.TraceLIRGeneratorLevel >= 3) { |
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254 TTY.println(stateAfter.toString()); |
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255 } |
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256 } |
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257 } |
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258 } |
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259 if (block.blockSuccessors().size() == 1 && (block.getInstructions().size() == 0 || !(block.getInstructions().get(block.getInstructions().size() - 1) instanceof BlockEnd))) { |
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260 moveToPhi(); |
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261 block.lir().jump(block.blockSuccessors().get(0)); |
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262 } |
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263 |
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264 if (C1XOptions.TraceLIRGeneratorLevel >= 1) { |
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265 TTY.println("END Generating LIR for block B" + block.blockID()); |
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266 } |
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267 |
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268 block.setLastState(lastState); |
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269 this.currentBlock = null; |
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270 blockDoEpilog(); |
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271 } |
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272 |
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273 @Override |
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274 public void visitArrayLength(ArrayLength x) { |
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275 emitArrayLength(x); |
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276 } |
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277 |
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278 public CiValue emitArrayLength(ArrayLength x) { |
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279 XirArgument array = toXirArgument(x.array()); |
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280 XirSnippet snippet = xir.genArrayLength(site(x), array); |
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281 emitXir(snippet, x, stateFor(x), null, true); |
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282 return x.operand(); |
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283 } |
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284 |
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285 private FrameState setOperandsForLocals() { |
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286 CiCallingConvention args = compilation.frameMap().incomingArguments(); |
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287 int bci = 0; |
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288 if (Modifier.isSynchronized(compilation.method.accessFlags())) { |
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289 bci = Instruction.SYNCHRONIZATION_ENTRY_BCI; |
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290 } |
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291 FrameState fs = new FrameState(bci, compilation.method.maxLocals(), 0, 0, compilation.graph); |
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292 for (Node node : compilation.graph.start().usages()) { |
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293 if (node instanceof Local) { |
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294 Local local = (Local) node; |
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295 int i = local.index(); |
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296 fs.storeLocal(i, local); |
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297 |
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298 CiValue src = args.locations[i]; |
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299 assert src.isLegal() : "check"; |
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300 |
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301 CiVariable dest = newVariable(src.kind.stackKind()); |
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302 lir.move(src, dest, src.kind); |
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303 |
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304 assert src.kind.stackKind() == local.kind.stackKind() : "local type check failed"; |
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305 setResult(local, dest); |
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306 } |
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307 } |
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308 return fs; |
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309 } |
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310 |
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311 @Override |
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312 public void visitCheckCast(CheckCast x) { |
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313 XirArgument obj = toXirArgument(x.object()); |
2600
f1bc67c2d453
new node layout: TypeCheck, RegisterFinalizer, Invoke, NewArray, NullCheck
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314 XirSnippet snippet = xir.genCheckCast(site(x), obj, toXirArgument(x.targetClassInstruction()), x.targetClass()); |
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315 emitXir(snippet, x, stateFor(x), null, true); |
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316 } |
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317 |
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318 @Override |
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319 public void visitInstanceOf(InstanceOf x) { |
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320 XirArgument obj = toXirArgument(x.object()); |
2600
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new node layout: TypeCheck, RegisterFinalizer, Invoke, NewArray, NullCheck
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|
321 XirSnippet snippet = xir.genInstanceOf(site(x), obj, toXirArgument(x.targetClassInstruction()), x.targetClass()); |
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|
322 emitXir(snippet, x, stateFor(x), null, true); |
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323 } |
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324 |
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325 @Override |
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326 public void visitMonitorEnter(MonitorEnter x) { |
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327 XirArgument obj = toXirArgument(x.object()); |
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328 XirArgument lockAddress = toXirArgument(x.lockAddress()); |
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329 XirSnippet snippet = xir.genMonitorEnter(site(x), obj, lockAddress); |
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330 emitXir(snippet, x, stateFor(x), stateFor(x, x.stateAfter()), null, true, null); |
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331 } |
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|
332 |
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|
333 @Override |
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|
334 public void visitMonitorExit(MonitorExit x) { |
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|
335 XirArgument obj = toXirArgument(x.object()); |
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|
336 XirArgument lockAddress = toXirArgument(x.lockAddress()); |
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337 XirSnippet snippet = xir.genMonitorExit(site(x), obj, lockAddress); |
2634
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338 emitXir(snippet, x, stateFor(x), null, true); |
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339 } |
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340 |
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|
341 @Override |
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342 public void visitStoreIndexed(StoreIndexed x) { |
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343 XirArgument array = toXirArgument(x.array()); |
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344 XirArgument length = x.length() == null ? null : toXirArgument(x.length()); |
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345 XirArgument index = toXirArgument(x.index()); |
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346 XirArgument value = toXirArgument(x.value()); |
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347 XirSnippet snippet = xir.genArrayStore(site(x), array, index, length, value, x.elementKind(), null); |
2634
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348 emitXir(snippet, x, stateFor(x), null, true); |
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349 } |
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|
350 |
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|
351 @Override |
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352 public void visitNewInstance(NewInstance x) { |
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353 XirSnippet snippet = xir.genNewInstance(site(x), x.instanceClass()); |
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354 emitXir(snippet, x, stateFor(x), null, true); |
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355 } |
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|
356 |
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|
357 @Override |
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358 public void visitNewTypeArray(NewTypeArray x) { |
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359 XirArgument length = toXirArgument(x.length()); |
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360 XirSnippet snippet = xir.genNewArray(site(x), length, x.elementKind(), null, null); |
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361 emitXir(snippet, x, stateFor(x), null, true); |
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362 } |
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363 |
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364 @Override |
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365 public void visitNewObjectArray(NewObjectArray x) { |
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366 XirArgument length = toXirArgument(x.length()); |
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367 XirSnippet snippet = xir.genNewArray(site(x), length, CiKind.Object, x.elementClass(), x.exactType()); |
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368 emitXir(snippet, x, stateFor(x), null, true); |
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369 } |
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370 |
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371 @Override |
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372 public void visitNewMultiArray(NewMultiArray x) { |
2600
f1bc67c2d453
new node layout: TypeCheck, RegisterFinalizer, Invoke, NewArray, NullCheck
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373 XirArgument[] dims = new XirArgument[x.dimensionCount()]; |
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374 |
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375 for (int i = 0; i < dims.length; i++) { |
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376 dims[i] = toXirArgument(x.dimension(i)); |
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377 } |
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378 |
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379 XirSnippet snippet = xir.genNewMultiArray(site(x), dims, x.elementKind); |
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380 emitXir(snippet, x, stateFor(x), null, true); |
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381 } |
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382 |
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383 @Override |
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384 public void visitConstant(Constant x) { |
2546
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Removed liveness marking.
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385 if (!canInlineAsConstant(x)) { |
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386 CiValue res = x.operand(); |
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387 if (!(res.isLegal())) { |
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388 res = x.asConstant(); |
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389 } |
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390 if (res.isConstant()) { |
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391 CiVariable reg = createResultVariable(x); |
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392 lir.move(res, reg); |
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393 } else { |
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394 setResult(x, (CiVariable) res); |
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395 } |
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396 } |
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397 } |
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398 |
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399 @Override |
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400 public void visitExceptionObject(ExceptionObject x) { |
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401 XirSnippet snippet = xir.genExceptionObject(site(x)); |
2634
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402 emitXir(snippet, x, stateFor(x), null, true); |
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403 } |
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404 |
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405 @Override |
2796
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Rename Goto to Anchor
Gilles Duboscq <gilles.duboscq@oracle.com>
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406 public void visitGoto(Anchor x) { |
2507
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407 setNoResult(x); |
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408 |
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409 // emit phi-instruction moves after safepoint since this simplifies |
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410 // describing the state at the safepoint. |
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411 |
2778
2ac7b30b7290
Enabled new block finding algorithm.
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412 moveToPhi(); |
2725
c379183d1c54
Removed target block references from LIR to BlockBegin instructions. Now there is a getLIRBlock method in the LIRGenerator.
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413 lir.jump(getLIRBlock(x.defaultSuccessor())); |
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414 } |
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415 |
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416 @Override |
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417 public void visitIfOp(IfOp i) { |
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418 Value x = i.x(); |
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419 Value y = i.y(); |
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420 CiKind xtype = x.kind; |
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421 CiKind ttype = i.trueValue().kind; |
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422 assert xtype.isInt() || xtype.isObject() : "cannot handle others"; |
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423 assert ttype.isInt() || ttype.isObject() || ttype.isLong() || ttype.isWord() : "cannot handle others"; |
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424 assert ttype.equals(i.falseValue().kind) : "cannot handle others"; |
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425 |
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426 CiValue left = load(x); |
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427 CiValue right = null; |
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428 if (!canInlineAsConstant(y)) { |
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429 right = load(y); |
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430 } else { |
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431 right = makeOperand(y); |
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432 } |
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433 |
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434 CiValue tVal = makeOperand(i.trueValue()); |
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435 CiValue fVal = makeOperand(i.falseValue()); |
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436 CiValue reg = createResultVariable(i); |
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437 |
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438 lir.cmp(i.condition(), left, right); |
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439 lir.cmove(i.condition(), tVal, fVal, reg); |
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440 } |
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441 |
2671
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New Deoptimize node, remove ResolveClass node and replace it with deoptimization
Gilles Duboscq <gilles.duboscq@oracle.com>
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2670
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|
442 protected FrameState stateBeforeInvokeReturn(Invoke invoke) { |
2716
c1a9bf38da28
Removed bci from the Instruction class.
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443 return invoke.stateAfter().duplicateModified(getBeforeInvokeBci(invoke), invoke.kind); |
2640
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|
444 } |
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|
445 |
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|
446 protected FrameState stateBeforeInvokeWithArguments(Invoke invoke) { |
2666
6ca76b891d31
duplicateModified helper method
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parents:
2661
diff
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|
447 Value[] args = new Value[invoke.argumentCount()]; |
6ca76b891d31
duplicateModified helper method
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2661
diff
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|
448 for (int i = 0; i < invoke.argumentCount(); i++) { |
6ca76b891d31
duplicateModified helper method
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2661
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449 args[i] = invoke.argument(i); |
2640
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450 } |
2716
c1a9bf38da28
Removed bci from the Instruction class.
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451 return invoke.stateAfter().duplicateModified(getBeforeInvokeBci(invoke), invoke.kind, args); |
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|
452 } |
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2715
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|
453 |
c1a9bf38da28
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diff
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|
454 private int getBeforeInvokeBci(Invoke invoke) { |
c1a9bf38da28
Removed bci from the Instruction class.
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455 int length = 3; |
c1a9bf38da28
Removed bci from the Instruction class.
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|
456 if (invoke.opcode() == Bytecodes.INVOKEINTERFACE) { |
c1a9bf38da28
Removed bci from the Instruction class.
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2715
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|
457 length += 2; |
c1a9bf38da28
Removed bci from the Instruction class.
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2715
diff
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|
458 } |
c1a9bf38da28
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2715
diff
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|
459 return invoke.stateAfter().bci - length; |
2628
569228710be8
More FrameState work
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2623
diff
changeset
|
460 } |
2622
91d3952f7eb7
Framestate work : using stateAFter and reducting the number of nodes with framestates. Intermediate state (does not pass tests)
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2602
diff
changeset
|
461 |
2507
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|
462 @Override |
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463 public void visitInvoke(Invoke x) { |
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464 RiMethod target = x.target(); |
2640
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More frame state fixes. All jtt tests passing now again.
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2639
diff
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|
465 LIRDebugInfo info = stateFor(x, stateBeforeInvokeWithArguments(x)); |
2671
d8601d421b96
New Deoptimize node, remove ResolveClass node and replace it with deoptimization
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2670
diff
changeset
|
466 LIRDebugInfo info2 = stateFor(x, stateBeforeInvokeReturn(x)); |
2507
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diff
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|
467 |
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|
468 XirSnippet snippet = null; |
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|
469 |
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470 int opcode = x.opcode(); |
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|
471 XirArgument receiver; |
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|
472 switch (opcode) { |
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|
473 case INVOKESTATIC: |
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|
474 snippet = xir.genInvokeStatic(site(x), target); |
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diff
changeset
|
475 break; |
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parents:
diff
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|
476 case INVOKESPECIAL: |
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diff
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|
477 receiver = toXirArgument(x.receiver()); |
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parents:
diff
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|
478 snippet = xir.genInvokeSpecial(site(x), receiver, target); |
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parents:
diff
changeset
|
479 break; |
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parents:
diff
changeset
|
480 case INVOKEVIRTUAL: |
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parents:
diff
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|
481 receiver = toXirArgument(x.receiver()); |
9ec15d6914ca
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parents:
diff
changeset
|
482 snippet = xir.genInvokeVirtual(site(x), receiver, target); |
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483 break; |
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484 case INVOKEINTERFACE: |
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485 receiver = toXirArgument(x.receiver()); |
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486 snippet = xir.genInvokeInterface(site(x), receiver, target); |
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487 break; |
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488 } |
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489 |
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490 CiValue destinationAddress = null; |
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491 // emitting the template earlier can ease pressure on register allocation, but the argument loading can destroy an |
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492 // implicit calling convention between the XirSnippet and the call. |
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493 if (!C1XOptions.InvokeSnippetAfterArguments) { |
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494 destinationAddress = emitXir(snippet, x, info.copy(), x.target(), false); |
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495 } |
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496 |
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497 CiValue resultOperand = resultOperandFor(x.kind); |
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498 CiCallingConvention cc = compilation.frameMap().getCallingConvention(x.signature(), JavaCall); |
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499 List<CiValue> pointerSlots = new ArrayList<CiValue>(2); |
2596
1c36b17f7ee0
new node layout: AccessMonitor, Invoke
Lukas Stadler <lukas.stadler@jku.at>
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2581
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500 List<CiValue> argList = visitInvokeArguments(cc, x, pointerSlots); |
2507
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501 |
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502 if (C1XOptions.InvokeSnippetAfterArguments) { |
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503 destinationAddress = emitXir(snippet, x, info.copy(), null, x.target(), false, pointerSlots); |
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504 } |
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505 |
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506 // emit direct or indirect call to the destination address |
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507 if (destinationAddress instanceof CiConstant) { |
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508 // Direct call |
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509 assert ((CiConstant) destinationAddress).isDefaultValue() : "destination address should be zero"; |
2640
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510 lir.callDirect(target, resultOperand, argList, info2, snippet.marks, pointerSlots); |
2507
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511 } else { |
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512 // Indirect call |
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513 argList.add(destinationAddress); |
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514 lir.callIndirect(target, resultOperand, argList, info2, snippet.marks, pointerSlots); |
2507
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515 } |
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516 |
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517 if (resultOperand.isLegal()) { |
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518 CiValue result = createResultVariable(x); |
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519 lir.move(resultOperand, result); |
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520 } |
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521 } |
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522 |
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523 @Override |
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524 public void visitMonitorAddress(MonitorAddress x) { |
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525 CiValue result = createResultVariable(x); |
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526 lir.monitorAddress(x.monitor(), result); |
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527 } |
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528 |
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|
529 /** |
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530 * For note on volatile fields, see {@link #visitStoreField(StoreField)}. |
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531 */ |
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532 @Override |
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533 public void visitLoadField(LoadField x) { |
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534 RiField field = x.field(); |
2622
91d3952f7eb7
Framestate work : using stateAFter and reducting the number of nodes with framestates. Intermediate state (does not pass tests)
Gilles Duboscq <gilles.duboscq@oracle.com>
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2602
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535 LIRDebugInfo info = stateFor(x); |
2507
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536 XirArgument receiver = toXirArgument(x.object()); |
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537 XirSnippet snippet = x.isStatic() ? xir.genGetStatic(site(x), receiver, field) : xir.genGetField(site(x), receiver, field); |
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538 emitXir(snippet, x, info, null, true); |
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diff
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539 |
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540 if (x.isVolatile()) { |
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parents:
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541 vma.postVolatileRead(); |
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542 } |
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|
543 } |
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|
544 |
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diff
changeset
|
545 @Override |
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546 public void visitLoadIndexed(LoadIndexed x) { |
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547 XirArgument array = toXirArgument(x.array()); |
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548 XirArgument index = toXirArgument(x.index()); |
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549 XirArgument length = toXirArgument(x.length()); |
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|
550 XirSnippet snippet = xir.genArrayLoad(site(x), array, index, length, x.elementKind(), null); |
2634
4dd0573f510b
FrameState fixes.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2633
diff
changeset
|
551 emitXir(snippet, x, stateFor(x), null, true); |
2507
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|
552 } |
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553 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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554 protected GlobalStub stubFor(CiRuntimeCall runtimeCall) { |
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|
555 GlobalStub stub = compilation.compiler.lookupGlobalStub(runtimeCall); |
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diff
changeset
|
556 compilation.frameMap().usesGlobalStub(stub); |
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diff
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|
557 return stub; |
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parents:
diff
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|
558 } |
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Pull over of compiler from maxine repository.
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parents:
diff
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|
559 |
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parents:
diff
changeset
|
560 protected GlobalStub stubFor(GlobalStub.Id globalStub) { |
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561 GlobalStub stub = compilation.compiler.lookupGlobalStub(globalStub); |
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562 compilation.frameMap().usesGlobalStub(stub); |
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563 return stub; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
564 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
565 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
566 protected GlobalStub stubFor(XirTemplate template) { |
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Pull over of compiler from maxine repository.
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567 GlobalStub stub = compilation.compiler.lookupGlobalStub(template); |
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Pull over of compiler from maxine repository.
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diff
changeset
|
568 compilation.frameMap().usesGlobalStub(stub); |
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diff
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|
569 return stub; |
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parents:
diff
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|
570 } |
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parents:
diff
changeset
|
571 |
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diff
changeset
|
572 @Override |
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|
573 public void visitLocal(Local x) { |
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parents:
diff
changeset
|
574 if (x.operand().isIllegal()) { |
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|
575 createResultVariable(x); |
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parents:
diff
changeset
|
576 } |
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parents:
diff
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|
577 } |
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parents:
diff
changeset
|
578 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
579 @Override |
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parents:
diff
changeset
|
580 public void visitLookupSwitch(LookupSwitch x) { |
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parents:
diff
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|
581 CiValue tag = load(x.value()); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
582 setNoResult(x); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
583 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
584 if (x.numberOfCases() == 0 || x.numberOfCases() < C1XOptions.SequentialSwitchLimit) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
585 int len = x.numberOfCases(); |
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parents:
diff
changeset
|
586 for (int i = 0; i < len; i++) { |
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parents:
diff
changeset
|
587 lir.cmp(Condition.EQ, tag, x.keyAt(i)); |
2725
c379183d1c54
Removed target block references from LIR to BlockBegin instructions. Now there is a getLIRBlock method in the LIRGenerator.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2718
diff
changeset
|
588 lir.branch(Condition.EQ, CiKind.Int, getLIRBlock(x.blockSuccessor(i))); |
2507
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
589 } |
2725
c379183d1c54
Removed target block references from LIR to BlockBegin instructions. Now there is a getLIRBlock method in the LIRGenerator.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2718
diff
changeset
|
590 lir.jump(getLIRBlock(x.defaultSuccessor())); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
591 } else { |
2725
c379183d1c54
Removed target block references from LIR to BlockBegin instructions. Now there is a getLIRBlock method in the LIRGenerator.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2718
diff
changeset
|
592 visitSwitchRanges(createLookupRanges(x), tag, getLIRBlock(x.defaultSuccessor())); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
593 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
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diff
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|
594 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
595 |
2755
80b024e75b29
small fix for dead blocks
Lukas Stadler <lukas.stadler@jku.at>
parents:
2738
diff
changeset
|
596 protected LIRBlock getLIRBlock(Instruction b) { |
2789
aeccd2af4e9e
Fixes around critical edge split and placeholder removal after goto removal.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2788
diff
changeset
|
597 LIRBlock result = ir.valueToBlock.get(b); |
aeccd2af4e9e
Fixes around critical edge split and placeholder removal after goto removal.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2788
diff
changeset
|
598 if (result == null) { |
aeccd2af4e9e
Fixes around critical edge split and placeholder removal after goto removal.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2788
diff
changeset
|
599 TTY.println("instruction without lir block: " + b); |
aeccd2af4e9e
Fixes around critical edge split and placeholder removal after goto removal.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2788
diff
changeset
|
600 } |
aeccd2af4e9e
Fixes around critical edge split and placeholder removal after goto removal.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2788
diff
changeset
|
601 return result; |
2725
c379183d1c54
Removed target block references from LIR to BlockBegin instructions. Now there is a getLIRBlock method in the LIRGenerator.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2718
diff
changeset
|
602 } |
c379183d1c54
Removed target block references from LIR to BlockBegin instructions. Now there is a getLIRBlock method in the LIRGenerator.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2718
diff
changeset
|
603 |
2507
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604 @Override |
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605 public void visitNullCheck(NullCheck x) { |
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606 CiValue value = load(x.object()); |
2661
194d93d089bd
Towards clean up of canTrap().
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2660
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|
607 LIRDebugInfo info = stateFor(x); |
194d93d089bd
Towards clean up of canTrap().
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2660
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608 lir.nullCheck(value, info); |
2507
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609 } |
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|
610 |
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611 @Override |
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612 public void visitPhi(Phi i) { |
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613 Util.shouldNotReachHere(); |
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614 } |
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|
615 |
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616 @Override |
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617 public void visitReturn(Return x) { |
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618 if (x.kind.isVoid()) { |
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619 XirSnippet epilogue = xir.genEpilogue(site(x), compilation.method); |
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620 if (epilogue != null) { |
2775
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Removed more stateAfter usages.
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621 emitXir(epilogue, x, null, compilation.method, false); |
2507
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622 lir.returnOp(IllegalValue); |
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623 } |
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624 } else { |
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625 CiValue operand = resultOperandFor(x.kind); |
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626 CiValue result = force(x.result(), operand); |
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627 XirSnippet epilogue = xir.genEpilogue(site(x), compilation.method); |
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628 if (epilogue != null) { |
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629 emitXir(epilogue, x, null, compilation.method, false); |
2507
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630 lir.returnOp(result); |
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631 } |
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632 } |
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633 setNoResult(x); |
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634 } |
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|
635 |
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636 protected XirArgument toXirArgument(CiValue v) { |
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637 if (v == null) { |
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638 return null; |
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639 } |
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|
640 |
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641 return XirArgument.forInternalObject(v); |
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642 } |
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|
643 |
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parents:
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644 protected XirArgument toXirArgument(Value i) { |
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645 if (i == null) { |
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646 return null; |
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647 } |
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648 |
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649 return XirArgument.forInternalObject(new LIRItem(i, this)); |
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650 } |
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651 |
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652 private CiValue allocateOperand(XirSnippet snippet, XirOperand op) { |
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653 if (op instanceof XirParameter) { |
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654 XirParameter param = (XirParameter) op; |
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655 return allocateOperand(snippet.arguments[param.parameterIndex], op, param.canBeConstant); |
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656 } else if (op instanceof XirRegister) { |
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657 XirRegister reg = (XirRegister) op; |
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658 return reg.register; |
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659 } else if (op instanceof XirTemp) { |
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660 return newVariable(op.kind); |
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661 } else { |
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662 Util.shouldNotReachHere(); |
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663 return null; |
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664 } |
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|
665 } |
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|
666 |
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667 private CiValue allocateOperand(XirArgument arg, XirOperand var, boolean canBeConstant) { |
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668 if (arg.constant != null) { |
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669 return arg.constant; |
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670 } else { |
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671 assert arg.object != null; |
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672 if (arg.object instanceof CiValue) { |
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673 return (CiValue) arg.object; |
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674 } |
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675 assert arg.object instanceof LIRItem; |
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676 LIRItem item = (LIRItem) arg.object; |
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677 if (canBeConstant) { |
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678 return item.instruction.operand(); |
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diff
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|
679 } else { |
2537
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Clean up on LIRGenerator and related.
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2532
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|
680 CiKind kind = var.kind; |
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681 if (kind == CiKind.Byte || kind == CiKind.Boolean) { |
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|
682 item.loadByteItem(); |
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Clean up on LIRGenerator and related.
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2532
diff
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|
683 } else { |
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diff
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|
684 item.loadItem(); |
4a016ff4d2df
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2532
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|
685 } |
2507
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parents:
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686 return item.result(); |
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diff
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|
687 } |
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diff
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|
688 } |
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diff
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|
689 } |
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|
690 |
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|
691 protected CiValue emitXir(XirSnippet snippet, Instruction x, LIRDebugInfo info, RiMethod method, boolean setInstructionResult) { |
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692 return emitXir(snippet, x, info, null, method, setInstructionResult, null); |
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|
693 } |
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|
694 |
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diff
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|
695 protected CiValue emitXir(XirSnippet snippet, Instruction instruction, LIRDebugInfo info, LIRDebugInfo infoAfter, RiMethod method, boolean setInstructionResult, List<CiValue> pointerSlots) { |
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changeset
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696 if (C1XOptions.PrintXirTemplates) { |
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697 TTY.println("Emit XIR template " + snippet.template.name); |
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diff
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|
698 } |
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diff
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|
699 |
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700 final CiValue[] operands = new CiValue[snippet.template.variableCount]; |
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|
701 |
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702 compilation.frameMap().reserveOutgoing(snippet.template.outgoingStackSize); |
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|
703 |
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|
704 XirOperand resultOperand = snippet.template.resultOperand; |
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|
705 |
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|
706 if (snippet.template.allocateResultOperand) { |
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|
707 CiValue outputOperand = IllegalValue; |
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|
708 // This snippet has a result that must be separately allocated |
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|
709 // Otherwise it is assumed that the result is part of the inputs |
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|
710 if (resultOperand.kind != CiKind.Void && resultOperand.kind != CiKind.Illegal) { |
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diff
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|
711 if (setInstructionResult) { |
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diff
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|
712 outputOperand = newVariable(instruction.kind); |
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diff
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|
713 } else { |
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diff
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|
714 outputOperand = newVariable(resultOperand.kind); |
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diff
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|
715 } |
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diff
changeset
|
716 assert operands[resultOperand.index] == null; |
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parents:
diff
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|
717 } |
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diff
changeset
|
718 operands[resultOperand.index] = outputOperand; |
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diff
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|
719 if (C1XOptions.PrintXirTemplates) { |
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parents:
diff
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|
720 TTY.println("Output operand: " + outputOperand); |
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parents:
diff
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|
721 } |
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parents:
diff
changeset
|
722 } |
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parents:
diff
changeset
|
723 |
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changeset
|
724 for (XirTemp t : snippet.template.temps) { |
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parents:
diff
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|
725 if (t instanceof XirRegister) { |
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|
726 XirRegister reg = (XirRegister) t; |
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parents:
diff
changeset
|
727 if (!t.reserve) { |
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parents:
diff
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|
728 operands[t.index] = reg.register; |
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|
729 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
730 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
731 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
732 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
733 for (XirTemplate calleeTemplate : snippet.template.calleeTemplates) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
734 // TODO Save these for use in X86LIRAssembler |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
735 stubFor(calleeTemplate); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
736 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
737 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
738 for (XirConstant c : snippet.template.constants) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
739 assert operands[c.index] == null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
740 operands[c.index] = c.value; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
741 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
742 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
743 XirOperand[] inputOperands = snippet.template.inputOperands; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
744 XirOperand[] inputTempOperands = snippet.template.inputTempOperands; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
745 XirOperand[] tempOperands = snippet.template.tempOperands; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
746 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
747 CiValue[] operandArray = new CiValue[inputOperands.length + inputTempOperands.length + tempOperands.length]; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
748 int[] operandIndicesArray = new int[inputOperands.length + inputTempOperands.length + tempOperands.length]; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
749 for (int i = 0; i < inputOperands.length; i++) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
750 XirOperand x = inputOperands[i]; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
751 CiValue op = allocateOperand(snippet, x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
752 operands[x.index] = op; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
753 operandArray[i] = op; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
754 operandIndicesArray[i] = x.index; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
755 if (C1XOptions.PrintXirTemplates) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
756 TTY.println("Input operand: " + x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
757 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
758 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
759 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
760 for (int i = 0; i < inputTempOperands.length; i++) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
761 XirOperand x = inputTempOperands[i]; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
762 CiValue op = allocateOperand(snippet, x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
763 CiValue newOp = newVariable(op.kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
764 lir.move(op, newOp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
765 operands[x.index] = newOp; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
766 operandArray[i + inputOperands.length] = newOp; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
767 operandIndicesArray[i + inputOperands.length] = x.index; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
768 if (C1XOptions.PrintXirTemplates) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
769 TTY.println("InputTemp operand: " + x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
770 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
771 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
772 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
773 for (int i = 0; i < tempOperands.length; i++) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
774 XirOperand x = tempOperands[i]; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
775 CiValue op = allocateOperand(snippet, x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
776 operands[x.index] = op; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
777 operandArray[i + inputOperands.length + inputTempOperands.length] = op; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
778 operandIndicesArray[i + inputOperands.length + inputTempOperands.length] = x.index; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
779 if (C1XOptions.PrintXirTemplates) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
780 TTY.println("Temp operand: " + x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
781 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
782 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
783 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
784 for (CiValue operand : operands) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
785 assert operand != null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
786 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
787 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
788 CiValue allocatedResultOperand = operands[resultOperand.index]; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
789 if (!allocatedResultOperand.isVariableOrRegister()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
790 allocatedResultOperand = IllegalValue; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
791 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
792 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
793 if (setInstructionResult && allocatedResultOperand.isLegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
794 if (instruction.operand().isIllegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
795 setResult(instruction, (CiVariable) allocatedResultOperand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
796 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
797 assert instruction.operand() == allocatedResultOperand; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
798 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
799 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
800 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
801 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
802 XirInstruction[] slowPath = snippet.template.slowPath; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
803 if (!operands[resultOperand.index].isConstant() || snippet.template.fastPath.length != 0 || (slowPath != null && slowPath.length > 0)) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
804 // XIR instruction is only needed when the operand is not a constant! |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
805 lir.xir(snippet, operands, allocatedResultOperand, inputTempOperands.length, tempOperands.length, |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
806 operandArray, operandIndicesArray, |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
807 (operands[resultOperand.index] == IllegalValue) ? -1 : resultOperand.index, |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
808 info, infoAfter, method, pointerSlots); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
809 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
810 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
811 return operands[resultOperand.index]; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
812 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
813 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
814 @Override |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
815 public void visitStoreField(StoreField x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
816 RiField field = x.field(); |
2622
91d3952f7eb7
Framestate work : using stateAFter and reducting the number of nodes with framestates. Intermediate state (does not pass tests)
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2602
diff
changeset
|
817 LIRDebugInfo info = stateFor(x); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
818 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
819 if (x.isVolatile()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
820 vma.preVolatileWrite(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
821 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
822 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
823 XirArgument receiver = toXirArgument(x.object()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
824 XirArgument value = toXirArgument(x.value()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
825 XirSnippet snippet = x.isStatic() ? xir.genPutStatic(site(x), receiver, field, value) : xir.genPutField(site(x), receiver, field, value); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
826 emitXir(snippet, x, info, null, true); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
827 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
828 if (x.isVolatile()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
829 vma.postVolatileWrite(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
830 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
831 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
832 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
833 @Override |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
834 public void visitTableSwitch(TableSwitch x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
835 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
836 LIRItem value = new LIRItem(x.value(), this); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
837 // Making a copy of the switch value is necessary when generating a jump table |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
838 value.setDestroysRegister(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
839 value.loadItem(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
840 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
841 CiValue tag = value.result(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
842 setNoResult(x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
843 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
844 // TODO: tune the defaults for the controls used to determine what kind of translation to use |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
845 if (x.numberOfCases() == 0 || x.numberOfCases() <= C1XOptions.SequentialSwitchLimit) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
846 int loKey = x.lowKey(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
847 int len = x.numberOfCases(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
848 for (int i = 0; i < len; i++) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
849 lir.cmp(Condition.EQ, tag, i + loKey); |
2725
c379183d1c54
Removed target block references from LIR to BlockBegin instructions. Now there is a getLIRBlock method in the LIRGenerator.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2718
diff
changeset
|
850 lir.branch(Condition.EQ, CiKind.Int, getLIRBlock(x.blockSuccessor(i))); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
851 } |
2725
c379183d1c54
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852 lir.jump(getLIRBlock(x.defaultSuccessor())); |
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853 } else { |
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854 SwitchRange[] switchRanges = createLookupRanges(x); |
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855 int rangeDensity = x.numberOfCases() / switchRanges.length; |
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856 if (rangeDensity >= C1XOptions.RangeTestsSwitchDensity) { |
2725
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857 visitSwitchRanges(switchRanges, tag, getLIRBlock(x.defaultSuccessor())); |
2507
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858 } else { |
2793
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Rename BlockBegin to Merge, remove some Block related member from it. Made CFGPrinter work with the Block class from schedule
Gilles Duboscq <gilles.duboscq@oracle.com>
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2789
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859 List<Instruction> nonDefaultSuccessors = x.blockSuccessors().subList(0, x.numberOfCases()); |
2725
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Thomas Wuerthinger <thomas@wuerthinger.net>
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860 LIRBlock[] targets = new LIRBlock[nonDefaultSuccessors.size()]; |
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|
861 for (int i = 0; i < nonDefaultSuccessors.size(); ++i) { |
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862 targets[i] = getLIRBlock(nonDefaultSuccessors.get(i)); |
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863 } |
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864 lir.tableswitch(tag, x.lowKey(), getLIRBlock(x.defaultSuccessor()), targets); |
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865 } |
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866 } |
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867 } |
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|
868 |
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869 @Override |
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870 public void visitThrow(Throw x) { |
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871 setNoResult(x); |
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872 CiValue exceptionOpr = load(x.exception()); |
2639
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Added stateBefore to Throw instruction.
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2637
diff
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|
873 LIRDebugInfo info = stateFor(x, x.stateBefore()); |
2507
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874 |
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875 // move exception oop into fixed register |
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876 CiCallingConvention callingConvention = compilation.frameMap().getCallingConvention(new CiKind[]{CiKind.Object}, RuntimeCall); |
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877 CiValue argumentOperand = callingConvention.locations[0]; |
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878 lir.move(exceptionOpr, argumentOperand); |
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Pull over of compiler from maxine repository.
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879 |
2660
9f557e940180
Removed exception optimization that immediately unwinds if it is guaranteed that there is no local exception handler.
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2658
diff
changeset
|
880 lir.throwException(CiValue.IllegalValue, argumentOperand, info); |
2507
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881 } |
9ec15d6914ca
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|
882 |
2671
d8601d421b96
New Deoptimize node, remove ResolveClass node and replace it with deoptimization
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2670
diff
changeset
|
883 @Override |
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New Deoptimize node, remove ResolveClass node and replace it with deoptimization
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2670
diff
changeset
|
884 public void visitDeoptimize(Deoptimize deoptimize) { |
2709
7b7dbe19fafb
Remove all unresolved cases from HotspotXirGenerator, use more explicit Deopt, Deopt to lastState instead of stateBefore
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2677
diff
changeset
|
885 DeoptimizationStub stub = new DeoptimizationStub(lastState); |
2671
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New Deoptimize node, remove ResolveClass node and replace it with deoptimization
Gilles Duboscq <gilles.duboscq@oracle.com>
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diff
changeset
|
886 addDeoptimizationStub(stub); |
d8601d421b96
New Deoptimize node, remove ResolveClass node and replace it with deoptimization
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2670
diff
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|
887 lir.branch(Condition.TRUE, stub.label, stub.info); |
d8601d421b96
New Deoptimize node, remove ResolveClass node and replace it with deoptimization
Gilles Duboscq <gilles.duboscq@oracle.com>
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diff
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|
888 } |
d8601d421b96
New Deoptimize node, remove ResolveClass node and replace it with deoptimization
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2670
diff
changeset
|
889 |
2718
c1ce2a53d6c3
Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2716
diff
changeset
|
890 private void blockDoEpilog() { |
2507
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
891 if (C1XOptions.PrintIRWithLIR) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
892 TTY.println(); |
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diff
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|
893 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
894 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
895 // clear out variables for local constants |
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diff
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|
896 constants.clear(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
897 variablesForConstants.clear(); |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
898 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
899 |
2718
c1ce2a53d6c3
Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2716
diff
changeset
|
900 private void blockDoProlog(LIRBlock block) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
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diff
changeset
|
901 if (C1XOptions.PrintIRWithLIR) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
902 TTY.print(block.toString()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
903 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
904 // set up the list of LIR instructions |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
905 assert block.lir() == null : "LIR list already computed for this block"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
906 lir = new LIRList(this); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
907 block.setLir(lir); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
908 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
909 lir.branchDestination(block.label()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
910 if (block == ir.startBlock) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
911 XirSnippet prologue = xir.genPrologue(null, compilation.method); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
912 if (prologue != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
913 emitXir(prologue, null, null, null, false); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
914 } |
2783
9bc0c2eb00d6
Made graph builder removal of BlockBegin work.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2782
diff
changeset
|
915 FrameState fs = setOperandsForLocals(); |
9bc0c2eb00d6
Made graph builder removal of BlockBegin work.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2782
diff
changeset
|
916 lastState = fs; |
9bc0c2eb00d6
Made graph builder removal of BlockBegin work.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2782
diff
changeset
|
917 } else if (block.blockPredecessors().size() == 1) { |
9bc0c2eb00d6
Made graph builder removal of BlockBegin work.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2782
diff
changeset
|
918 FrameState fs = block.blockPredecessors().get(0).lastState(); |
9bc0c2eb00d6
Made graph builder removal of BlockBegin work.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2782
diff
changeset
|
919 assert fs != null; |
9bc0c2eb00d6
Made graph builder removal of BlockBegin work.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2782
diff
changeset
|
920 lastState = fs; |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
921 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
922 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
923 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
924 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
925 * Copies a given value into an operand that is forced to be a stack location. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
926 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
927 * @param value a value to be forced onto the stack |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
928 * @param kind the kind of new operand |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
929 * @param mustStayOnStack specifies if the new operand must never be allocated to a register |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
930 * @return the operand that is guaranteed to be a stack location when it is |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
931 * initially defined a by move from {@code value} |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
932 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
933 CiValue forceToSpill(CiValue value, CiKind kind, boolean mustStayOnStack) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
934 assert value.isLegal() : "value should not be illegal"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
935 assert kind.jvmSlots == value.kind.jvmSlots : "size mismatch"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
936 if (!value.isVariableOrRegister()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
937 // force into a variable that must start in memory |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
938 CiValue operand = operands.newVariable(value.kind, mustStayOnStack ? VariableFlag.MustStayInMemory : VariableFlag.MustStartInMemory); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
939 lir.move(value, operand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
940 return operand; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
941 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
942 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
943 // create a spill location |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
944 CiValue operand = operands.newVariable(kind, mustStayOnStack ? VariableFlag.MustStayInMemory : VariableFlag.MustStartInMemory); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
945 // move from register to spill |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
946 lir.move(value, operand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
947 return operand; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
948 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
949 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
950 private CiVariable loadConstant(Constant x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
951 return loadConstant(x.asConstant(), x.kind); |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
952 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
953 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
954 protected CiVariable loadConstant(CiConstant c, CiKind kind) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
955 // XXX: linear search might be kind of slow for big basic blocks |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
956 int index = constants.indexOf(c); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
957 if (index != -1) { |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
958 C1XMetrics.LoadConstantIterations += index; |
9ec15d6914ca
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parents:
diff
changeset
|
959 return variablesForConstants.get(index); |
9ec15d6914ca
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parents:
diff
changeset
|
960 } |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
961 C1XMetrics.LoadConstantIterations += constants.size(); |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
962 |
9ec15d6914ca
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parents:
diff
changeset
|
963 CiVariable result = newVariable(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
964 lir.move(c, result); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
965 constants.add(c); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
966 variablesForConstants.add(result); |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
967 return result; |
9ec15d6914ca
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parents:
diff
changeset
|
968 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
969 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
970 /** |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
971 * Allocates a variable operand to hold the result of a given instruction. |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
972 * This can only be performed once for any given instruction. |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
973 * |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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974 * @param x an instruction that produces a result |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
975 * @return the variable assigned to hold the result produced by {@code x} |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
976 */ |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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977 protected CiVariable createResultVariable(Value x) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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978 CiVariable operand = newVariable(x.kind); |
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Pull over of compiler from maxine repository.
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979 setResult(x, operand); |
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980 return operand; |
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diff
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|
981 } |
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parents:
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|
982 |
2519
f6125fb5bfbc
Removed intrinsics.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2515
diff
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|
983 @Override |
f6125fb5bfbc
Removed intrinsics.
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parents:
2515
diff
changeset
|
984 public void visitRegisterFinalizer(RegisterFinalizer x) { |
2628
569228710be8
More FrameState work
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2623
diff
changeset
|
985 CiValue receiver = load(x.object()); |
2669
405e7947a940
Fixed RegisterFinalizer stateBefore.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2661
diff
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|
986 LIRDebugInfo info = stateFor(x, x.stateBefore()); |
2507
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Thomas Wuerthinger <thomas@wuerthinger.net>
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987 callRuntime(CiRuntimeCall.RegisterFinalizer, info, receiver); |
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988 setNoResult(x); |
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|
989 } |
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|
990 |
2725
c379183d1c54
Removed target block references from LIR to BlockBegin instructions. Now there is a getLIRBlock method in the LIRGenerator.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2718
diff
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|
991 private void visitSwitchRanges(SwitchRange[] x, CiValue value, LIRBlock defaultSux) { |
2507
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992 for (int i = 0; i < x.length; i++) { |
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993 SwitchRange oneRange = x[i]; |
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|
994 int lowKey = oneRange.lowKey; |
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995 int highKey = oneRange.highKey; |
2725
c379183d1c54
Removed target block references from LIR to BlockBegin instructions. Now there is a getLIRBlock method in the LIRGenerator.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2718
diff
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|
996 LIRBlock dest = oneRange.sux; |
2507
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997 if (lowKey == highKey) { |
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Pull over of compiler from maxine repository.
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|
998 lir.cmp(Condition.EQ, value, lowKey); |
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diff
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|
999 lir.branch(Condition.EQ, CiKind.Int, dest); |
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1000 } else if (highKey - lowKey == 1) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1001 lir.cmp(Condition.EQ, value, lowKey); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
1002 lir.branch(Condition.EQ, CiKind.Int, dest); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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1003 lir.cmp(Condition.EQ, value, highKey); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1004 lir.branch(Condition.EQ, CiKind.Int, dest); |
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Pull over of compiler from maxine repository.
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1005 } else { |
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1006 Label l = new Label(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1007 lir.cmp(Condition.LT, value, lowKey); |
9ec15d6914ca
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1008 lir.branch(Condition.LT, l); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1009 lir.cmp(Condition.LE, value, highKey); |
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Pull over of compiler from maxine repository.
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parents:
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1010 lir.branch(Condition.LE, CiKind.Int, dest); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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1011 lir.branchDestination(l); |
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1012 } |
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|
1013 } |
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|
1014 lir.jump(defaultSux); |
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|
1015 } |
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parents:
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|
1016 |
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parents:
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|
1017 protected void arithmeticOpFpu(int code, CiValue result, CiValue left, CiValue right, CiValue tmp) { |
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1018 CiValue leftOp = left; |
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|
1019 |
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1020 if (isTwoOperand && leftOp != result) { |
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1021 assert right != result : "malformed"; |
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1022 lir.move(leftOp, result); |
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Pull over of compiler from maxine repository.
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|
1023 leftOp = result; |
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|
1024 } |
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parents:
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|
1025 |
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|
1026 switch (code) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1027 case DADD: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1028 case FADD: |
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parents:
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1029 lir.add(leftOp, right, result); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1030 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1031 case FMUL: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1032 case DMUL: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1033 lir.mul(leftOp, right, result); |
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Pull over of compiler from maxine repository.
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|
1034 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1035 case DSUB: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
1036 case FSUB: |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1037 lir.sub(leftOp, right, result); |
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Pull over of compiler from maxine repository.
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|
1038 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1039 case FDIV: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1040 case DDIV: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1041 lir.div(leftOp, right, result, null); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1042 break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1043 default: |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1044 Util.shouldNotReachHere(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1045 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1046 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1047 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1048 protected void arithmeticOpInt(int code, CiValue result, CiValue left, CiValue right, CiValue tmp) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1049 CiValue leftOp = left; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1050 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1051 if (isTwoOperand && leftOp != result) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1052 assert right != result : "malformed"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1053 lir.move(leftOp, result); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1054 leftOp = result; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1055 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1056 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1057 switch (code) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1058 case IADD: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1059 lir.add(leftOp, right, result); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1060 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1061 case IMUL: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1062 boolean didStrengthReduce = false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1063 if (right.isConstant()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1064 CiConstant rightConstant = (CiConstant) right; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
1065 int c = rightConstant.asInt(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1066 if (CiUtil.isPowerOf2(c)) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
1067 // do not need tmp here |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1068 lir.shiftLeft(leftOp, CiUtil.log2(c), result); |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1069 didStrengthReduce = true; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1070 } else { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1071 didStrengthReduce = strengthReduceMultiply(leftOp, c, result, tmp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1072 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1073 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1074 // we couldn't strength reduce so just emit the multiply |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1075 if (!didStrengthReduce) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
1076 lir.mul(leftOp, right, result); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1077 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1078 break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1079 case ISUB: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1080 lir.sub(leftOp, right, result); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1081 break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1082 default: |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1083 // idiv and irem are handled elsewhere |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1084 Util.shouldNotReachHere(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1085 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1086 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1087 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1088 protected void arithmeticOpLong(int code, CiValue result, CiValue left, CiValue right, LIRDebugInfo info) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1089 CiValue leftOp = left; |
9ec15d6914ca
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parents:
diff
changeset
|
1090 |
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parents:
diff
changeset
|
1091 if (isTwoOperand && leftOp != result) { |
9ec15d6914ca
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parents:
diff
changeset
|
1092 assert right != result : "malformed"; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1093 lir.move(leftOp, result); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1094 leftOp = result; |
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1095 } |
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1096 |
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1097 switch (code) { |
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1098 case LADD: |
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1099 lir.add(leftOp, right, result); |
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1100 break; |
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1101 case LMUL: |
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1102 lir.mul(leftOp, right, result); |
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|
1103 break; |
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|
1104 case LSUB: |
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1105 lir.sub(leftOp, right, result); |
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1106 break; |
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1107 default: |
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1108 // ldiv and lrem are handled elsewhere |
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1109 Util.shouldNotReachHere(); |
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1110 } |
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|
1111 } |
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|
1112 |
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1113 protected final CiValue callRuntime(CiRuntimeCall runtimeCall, LIRDebugInfo info, CiValue... args) { |
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1114 // get a result register |
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1115 CiKind result = runtimeCall.resultKind; |
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1116 CiKind[] arguments = runtimeCall.arguments; |
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1117 |
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1118 CiValue physReg = result.isVoid() ? IllegalValue : resultOperandFor(result); |
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1119 |
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1120 List<CiValue> argumentList; |
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1121 if (arguments.length > 0) { |
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1122 // move the arguments into the correct location |
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1123 CiCallingConvention cc = compilation.frameMap().getCallingConvention(arguments, RuntimeCall); |
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1124 assert cc.locations.length == args.length : "argument count mismatch"; |
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1125 for (int i = 0; i < args.length; i++) { |
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1126 CiValue arg = args[i]; |
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1127 CiValue loc = cc.locations[i]; |
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1128 if (loc.isRegister()) { |
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1129 lir.move(arg, loc); |
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|
1130 } else { |
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|
1131 assert loc.isStackSlot(); |
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|
1132 CiStackSlot slot = (CiStackSlot) loc; |
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|
1133 if (slot.kind == CiKind.Long || slot.kind == CiKind.Double) { |
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|
1134 lir.unalignedMove(arg, slot); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1135 } else { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1136 lir.move(arg, slot); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1137 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1138 } |
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|
1139 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1140 argumentList = Arrays.asList(cc.locations); |
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|
1141 } else { |
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|
1142 // no arguments |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1143 assert args == null || args.length == 0; |
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Pull over of compiler from maxine repository.
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1144 argumentList = Util.uncheckedCast(Collections.emptyList()); |
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diff
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|
1145 } |
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|
1146 |
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|
1147 lir.callRuntime(runtimeCall, physReg, argumentList, info); |
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|
1148 |
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|
1149 return physReg; |
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diff
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|
1150 } |
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diff
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|
1151 |
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|
1152 protected final CiVariable callRuntimeWithResult(CiRuntimeCall runtimeCall, LIRDebugInfo info, CiValue... args) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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1153 CiVariable result = newVariable(runtimeCall.resultKind); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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1154 CiValue location = callRuntime(runtimeCall, info, args); |
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Pull over of compiler from maxine repository.
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|
1155 lir.move(location, result); |
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|
1156 return result; |
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|
1157 } |
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|
1158 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1159 SwitchRange[] createLookupRanges(LookupSwitch x) { |
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Pull over of compiler from maxine repository.
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|
1160 // we expect the keys to be sorted by increasing value |
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|
1161 List<SwitchRange> res = new ArrayList<SwitchRange>(x.numberOfCases()); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1162 int len = x.numberOfCases(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1163 if (len > 0) { |
2725
c379183d1c54
Removed target block references from LIR to BlockBegin instructions. Now there is a getLIRBlock method in the LIRGenerator.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2718
diff
changeset
|
1164 LIRBlock defaultSux = getLIRBlock(x.defaultSuccessor()); |
2507
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1165 int key = x.keyAt(0); |
2725
c379183d1c54
Removed target block references from LIR to BlockBegin instructions. Now there is a getLIRBlock method in the LIRGenerator.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2718
diff
changeset
|
1166 LIRBlock sux = getLIRBlock(x.blockSuccessor(0)); |
2507
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1167 SwitchRange range = new SwitchRange(key, sux); |
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parents:
diff
changeset
|
1168 for (int i = 1; i < len; i++) { |
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Pull over of compiler from maxine repository.
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changeset
|
1169 int newKey = x.keyAt(i); |
2725
c379183d1c54
Removed target block references from LIR to BlockBegin instructions. Now there is a getLIRBlock method in the LIRGenerator.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2718
diff
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|
1170 LIRBlock newSux = getLIRBlock(x.blockSuccessor(i)); |
2507
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Pull over of compiler from maxine repository.
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|
1171 if (key + 1 == newKey && sux == newSux) { |
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diff
changeset
|
1172 // still in same range |
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parents:
diff
changeset
|
1173 range.highKey = newKey; |
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parents:
diff
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|
1174 } else { |
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parents:
diff
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|
1175 // skip tests which explicitly dispatch to the default |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1176 if (range.sux != defaultSux) { |
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|
1177 res.add(range); |
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|
1178 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1179 range = new SwitchRange(newKey, newSux); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
1180 } |
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parents:
diff
changeset
|
1181 key = newKey; |
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|
1182 sux = newSux; |
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diff
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|
1183 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1184 if (res.size() == 0 || res.get(res.size() - 1) != range) { |
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parents:
diff
changeset
|
1185 res.add(range); |
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diff
changeset
|
1186 } |
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diff
changeset
|
1187 } |
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parents:
diff
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|
1188 return res.toArray(new SwitchRange[res.size()]); |
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|
1189 } |
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|
1190 |
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|
1191 SwitchRange[] createLookupRanges(TableSwitch x) { |
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diff
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|
1192 // XXX: try to merge this with the code for LookupSwitch |
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|
1193 List<SwitchRange> res = new ArrayList<SwitchRange>(x.numberOfCases()); |
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diff
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|
1194 int len = x.numberOfCases(); |
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parents:
diff
changeset
|
1195 if (len > 0) { |
2725
c379183d1c54
Removed target block references from LIR to BlockBegin instructions. Now there is a getLIRBlock method in the LIRGenerator.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2718
diff
changeset
|
1196 LIRBlock sux = getLIRBlock(x.blockSuccessor(0)); |
2507
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diff
changeset
|
1197 int key = x.lowKey(); |
2725
c379183d1c54
Removed target block references from LIR to BlockBegin instructions. Now there is a getLIRBlock method in the LIRGenerator.
Thomas Wuerthinger <thomas@wuerthinger.net>
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2718
diff
changeset
|
1198 LIRBlock defaultSux = getLIRBlock(x.defaultSuccessor()); |
2507
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changeset
|
1199 SwitchRange range = new SwitchRange(key, sux); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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changeset
|
1200 for (int i = 0; i < len; i++, key++) { |
2725
c379183d1c54
Removed target block references from LIR to BlockBegin instructions. Now there is a getLIRBlock method in the LIRGenerator.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2718
diff
changeset
|
1201 LIRBlock newSux = getLIRBlock(x.blockSuccessor(i)); |
2507
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diff
changeset
|
1202 if (sux == newSux) { |
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parents:
diff
changeset
|
1203 // still in same range |
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parents:
diff
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|
1204 range.highKey = key; |
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|
1205 } else { |
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diff
changeset
|
1206 // skip tests which explicitly dispatch to the default |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
1207 if (sux != defaultSux) { |
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diff
changeset
|
1208 res.add(range); |
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diff
changeset
|
1209 } |
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changeset
|
1210 range = new SwitchRange(key, newSux); |
9ec15d6914ca
Pull over of compiler from maxine repository.
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diff
changeset
|
1211 } |
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parents:
diff
changeset
|
1212 sux = newSux; |
9ec15d6914ca
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diff
changeset
|
1213 } |
9ec15d6914ca
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parents:
diff
changeset
|
1214 if (res.size() == 0 || res.get(res.size() - 1) != range) { |
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parents:
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changeset
|
1215 res.add(range); |
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parents:
diff
changeset
|
1216 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1217 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1218 return res.toArray(new SwitchRange[res.size()]); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1219 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1220 |
2801
2af109bec0c0
Make block contains a list of nodes instead a list of instructions.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2796
diff
changeset
|
1221 void doRoot(Value instr) { |
2623
b129b7da1397
Some fixes around LIRGenerator / frame state. New option C1X:TraceLIRGeneratorLevel
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2622
diff
changeset
|
1222 if (C1XOptions.TraceLIRGeneratorLevel >= 2) { |
2801
2af109bec0c0
Make block contains a list of nodes instead a list of instructions.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2796
diff
changeset
|
1223 TTY.println("Emitting LIR for instruction " + instr); |
2623
b129b7da1397
Some fixes around LIRGenerator / frame state. New option C1X:TraceLIRGeneratorLevel
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2622
diff
changeset
|
1224 } |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1225 currentInstruction = instr; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1226 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1227 if (C1XOptions.TraceLIRVisit) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1228 TTY.println("Visiting " + instr); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1229 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1230 instr.accept(this); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1231 if (C1XOptions.TraceLIRVisit) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1232 TTY.println("Operand for " + instr + " = " + instr.operand()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1233 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1234 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1235 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1236 protected void logicOp(int code, CiValue resultOp, CiValue leftOp, CiValue rightOp) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1237 if (isTwoOperand && leftOp != resultOp) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1238 assert rightOp != resultOp : "malformed"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1239 lir.move(leftOp, resultOp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1240 leftOp = resultOp; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1241 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1242 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1243 switch (code) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1244 case IAND: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1245 case LAND: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1246 lir.logicalAnd(leftOp, rightOp, resultOp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1247 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1248 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1249 case IOR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1250 case LOR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1251 lir.logicalOr(leftOp, rightOp, resultOp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1252 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1253 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1254 case IXOR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1255 case LXOR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1256 lir.logicalXor(leftOp, rightOp, resultOp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1257 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1258 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1259 default: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1260 Util.shouldNotReachHere(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1261 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1262 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1263 |
2769
dd6419f4bfe2
Fixed several issues with incorrect predecessor count/order. One known issue around exception dispatch remaining in fop.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2768
diff
changeset
|
1264 void moveToPhi(PhiResolver resolver, Value curVal, Value suxVal, List<Phi> phis, int predIndex) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1265 // move current value to referenced phi function |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1266 if (suxVal instanceof Phi) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1267 Phi phi = (Phi) suxVal; |
2769
dd6419f4bfe2
Fixed several issues with incorrect predecessor count/order. One known issue around exception dispatch remaining in fop.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2768
diff
changeset
|
1268 |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1269 // curVal can be null without phi being null in conjunction with inlining |
2546
e1b3db8031ee
Removed liveness marking.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2545
diff
changeset
|
1270 if (!phi.isDeadPhi() && curVal != null && curVal != phi) { |
2769
dd6419f4bfe2
Fixed several issues with incorrect predecessor count/order. One known issue around exception dispatch remaining in fop.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2768
diff
changeset
|
1271 |
dd6419f4bfe2
Fixed several issues with incorrect predecessor count/order. One known issue around exception dispatch remaining in fop.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2768
diff
changeset
|
1272 assert phis.contains(phi); |
dd6419f4bfe2
Fixed several issues with incorrect predecessor count/order. One known issue around exception dispatch remaining in fop.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2768
diff
changeset
|
1273 if (phi.valueAt(predIndex) != curVal) { |
dd6419f4bfe2
Fixed several issues with incorrect predecessor count/order. One known issue around exception dispatch remaining in fop.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2768
diff
changeset
|
1274 phi.print(TTY.out()); |
dd6419f4bfe2
Fixed several issues with incorrect predecessor count/order. One known issue around exception dispatch remaining in fop.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2768
diff
changeset
|
1275 } |
dd6419f4bfe2
Fixed several issues with incorrect predecessor count/order. One known issue around exception dispatch remaining in fop.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2768
diff
changeset
|
1276 assert phi.valueAt(predIndex) == curVal : "curVal=" + curVal + "valueAt(" + predIndex + ")=" + phi.valueAt(predIndex); |
dd6419f4bfe2
Fixed several issues with incorrect predecessor count/order. One known issue around exception dispatch remaining in fop.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2768
diff
changeset
|
1277 |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1278 assert !phi.isIllegal() : "illegal phi cannot be marked as live"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1279 if (curVal instanceof Phi) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1280 operandForPhi((Phi) curVal); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1281 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1282 CiValue operand = curVal.operand(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1283 if (operand.isIllegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1284 assert curVal instanceof Constant || curVal instanceof Local : "these can be produced lazily"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1285 operand = operandForInstruction(curVal); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1286 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1287 resolver.move(operand, operandForPhi(phi)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1288 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1289 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1290 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1291 |
2768
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1292 private List<Phi> getPhis(LIRBlock block) { |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1293 if (block.getInstructions().size() > 0) { |
2801
2af109bec0c0
Make block contains a list of nodes instead a list of instructions.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2796
diff
changeset
|
1294 Node i = block.getInstructions().get(0); |
2793
d3fc4fe063bf
Rename BlockBegin to Merge, remove some Block related member from it. Made CFGPrinter work with the Block class from schedule
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2789
diff
changeset
|
1295 if (i instanceof Merge) { |
2768
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1296 List<Phi> result = new ArrayList<Phi>(); |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1297 for (Node n : i.usages()) { |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1298 if (n instanceof Phi) { |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1299 result.add((Phi) n); |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1300 } |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1301 } |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1302 return result; |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1303 } |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1304 } |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1305 return null; |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1306 } |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1307 |
2778
2ac7b30b7290
Enabled new block finding algorithm.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2775
diff
changeset
|
1308 protected void moveToPhi() { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1309 // Moves all stack values into their phi position |
2718
c1ce2a53d6c3
Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2716
diff
changeset
|
1310 LIRBlock bb = currentBlock; |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1311 if (bb.numberOfSux() == 1) { |
2718
c1ce2a53d6c3
Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2716
diff
changeset
|
1312 LIRBlock sux = bb.suxAt(0); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1313 assert sux.numberOfPreds() > 0 : "invalid CFG"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1314 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1315 // a block with only one predecessor never has phi functions |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1316 if (sux.numberOfPreds() > 1) { |
2768
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1317 |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1318 |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1319 List<Phi> phis = getPhis(sux); |
2769
dd6419f4bfe2
Fixed several issues with incorrect predecessor count/order. One known issue around exception dispatch remaining in fop.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2768
diff
changeset
|
1320 |
2774
93fd92c9f8b0
Removed usage of stateAfter on BlockEnd instructions.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2772
diff
changeset
|
1321 if (phis != null) { |
93fd92c9f8b0
Removed usage of stateAfter on BlockEnd instructions.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2772
diff
changeset
|
1322 |
93fd92c9f8b0
Removed usage of stateAfter on BlockEnd instructions.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2772
diff
changeset
|
1323 int predIndex = 0; |
93fd92c9f8b0
Removed usage of stateAfter on BlockEnd instructions.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2772
diff
changeset
|
1324 for (; predIndex < sux.numberOfPreds(); ++predIndex) { |
93fd92c9f8b0
Removed usage of stateAfter on BlockEnd instructions.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2772
diff
changeset
|
1325 if (sux.predAt(predIndex) == bb) { |
93fd92c9f8b0
Removed usage of stateAfter on BlockEnd instructions.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2772
diff
changeset
|
1326 break; |
93fd92c9f8b0
Removed usage of stateAfter on BlockEnd instructions.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2772
diff
changeset
|
1327 } |
2768
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1328 } |
2774
93fd92c9f8b0
Removed usage of stateAfter on BlockEnd instructions.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2772
diff
changeset
|
1329 assert predIndex < sux.numberOfPreds(); |
2768
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1330 |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1331 PhiResolver resolver = new PhiResolver(this); |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1332 for (Phi phi : phis) { |
2789
aeccd2af4e9e
Fixes around critical edge split and placeholder removal after goto removal.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2788
diff
changeset
|
1333 if (!phi.isDeadPhi()) { |
2768
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1334 Value curVal = phi.valueAt(predIndex); |
2769
dd6419f4bfe2
Fixed several issues with incorrect predecessor count/order. One known issue around exception dispatch remaining in fop.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2768
diff
changeset
|
1335 if (curVal != null && curVal != phi) { |
2768
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1336 if (curVal instanceof Phi) { |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1337 operandForPhi((Phi) curVal); |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1338 } |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1339 CiValue operand = curVal.operand(); |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1340 if (operand.isIllegal()) { |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1341 assert curVal instanceof Constant || curVal instanceof Local : "these can be produced lazily" + curVal + "/" + phi; |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1342 operand = operandForInstruction(curVal); |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1343 } |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1344 resolver.move(operand, operandForPhi(phi)); |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1345 } |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1346 } |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1347 } |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1348 resolver.dispose(); |
43ffa0e47a46
Towards removing stateAfter on BlockEnd.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2767
diff
changeset
|
1349 } |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1350 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1351 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1352 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1353 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1354 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1355 * Creates a new {@linkplain CiVariable variable}. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1356 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1357 * @param kind the kind of the variable |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1358 * @return a new variable |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1359 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1360 public CiVariable newVariable(CiKind kind) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1361 return operands.newVariable(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1362 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1363 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1364 CiValue operandForInstruction(Value x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1365 CiValue operand = x.operand(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1366 if (operand.isIllegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1367 if (x instanceof Constant) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1368 x.setOperand(x.asConstant()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1369 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1370 assert x instanceof Phi || x instanceof Local : "only for Phi and Local"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1371 // allocate a variable for this local or phi |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1372 createResultVariable(x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1373 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1374 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1375 return x.operand(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1376 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1377 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1378 private CiValue operandForPhi(Phi phi) { |
2532
3fca504f28ba
Reinsert phi simplifier (does not seem to be optional). Disabled canonicalizer.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2522
diff
changeset
|
1379 assert !phi.isDeadPhi(); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1380 if (phi.operand().isIllegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1381 // allocate a variable for this phi |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1382 CiVariable operand = newVariable(phi.kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1383 setResult(phi, operand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1384 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1385 return phi.operand(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1386 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1387 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1388 protected void postGCWriteBarrier(CiValue addr, CiValue newVal) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1389 XirSnippet writeBarrier = xir.genWriteBarrier(toXirArgument(addr)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1390 if (writeBarrier != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1391 emitXir(writeBarrier, null, null, null, false); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1392 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1393 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1394 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1395 protected void preGCWriteBarrier(CiValue addrOpr, boolean patch, LIRDebugInfo info) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1396 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1397 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1398 protected void setNoResult(Instruction x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1399 x.clearOperand(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1400 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1401 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1402 protected CiValue setResult(Value x, CiVariable operand) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1403 x.setOperand(operand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1404 if (C1XOptions.DetailedAsserts) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1405 operands.recordResult(operand, x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1406 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1407 return operand; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1408 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1409 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1410 protected void shiftOp(int code, CiValue resultOp, CiValue value, CiValue count, CiValue tmp) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1411 if (isTwoOperand && value != resultOp) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1412 assert count != resultOp : "malformed"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1413 lir.move(value, resultOp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1414 value = resultOp; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1415 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1416 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1417 assert count.isConstant() || count.isVariableOrRegister(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1418 switch (code) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1419 case ISHL: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1420 case LSHL: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1421 lir.shiftLeft(value, count, resultOp, tmp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1422 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1423 case ISHR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1424 case LSHR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1425 lir.shiftRight(value, count, resultOp, tmp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1426 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1427 case IUSHR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1428 case LUSHR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1429 lir.unsignedShiftRight(value, count, resultOp, tmp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1430 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1431 default: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1432 Util.shouldNotReachHere(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1433 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1434 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1435 |
2801
2af109bec0c0
Make block contains a list of nodes instead a list of instructions.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2796
diff
changeset
|
1436 protected void walkState(Node x, FrameState state) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1437 if (state == null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1438 return; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1439 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1440 for (int index = 0; index < state.stackSize(); index++) { |
2622
91d3952f7eb7
Framestate work : using stateAFter and reducting the number of nodes with framestates. Intermediate state (does not pass tests)
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2602
diff
changeset
|
1441 Value value = state.stackAt(index); |
91d3952f7eb7
Framestate work : using stateAFter and reducting the number of nodes with framestates. Intermediate state (does not pass tests)
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2602
diff
changeset
|
1442 if (value != x) { |
91d3952f7eb7
Framestate work : using stateAFter and reducting the number of nodes with framestates. Intermediate state (does not pass tests)
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2602
diff
changeset
|
1443 walkStateValue(value); |
91d3952f7eb7
Framestate work : using stateAFter and reducting the number of nodes with framestates. Intermediate state (does not pass tests)
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2602
diff
changeset
|
1444 } |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1445 } |
2716
c1a9bf38da28
Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2715
diff
changeset
|
1446 for (int index = 0; index < state.localsSize(); index++) { |
c1a9bf38da28
Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2715
diff
changeset
|
1447 final Value value = state.localAt(index); |
2564
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1448 if (value != null) { |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1449 if (!value.isIllegal()) { |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1450 walkStateValue(value); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1451 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1452 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1453 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1454 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1455 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1456 private void walkStateValue(Value value) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1457 if (value != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1458 if (value instanceof Phi && !value.isIllegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1459 // phi's are special |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1460 operandForPhi((Phi) value); |
2515
4fdef1464592
Removed extended bytecodes and related HIR instructions.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2509
diff
changeset
|
1461 } else if (value.operand().isIllegal()) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1462 // instruction doesn't have an operand yet |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1463 CiValue operand = makeOperand(value); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1464 assert operand.isLegal() : "must be evaluated now"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1465 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1466 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1467 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1468 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1469 protected LIRDebugInfo stateFor(Instruction x) { |
2622
91d3952f7eb7
Framestate work : using stateAFter and reducting the number of nodes with framestates. Intermediate state (does not pass tests)
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2602
diff
changeset
|
1470 assert lastState != null : "must have state before instruction for " + x; |
91d3952f7eb7
Framestate work : using stateAFter and reducting the number of nodes with framestates. Intermediate state (does not pass tests)
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2602
diff
changeset
|
1471 return stateFor(x, lastState); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1472 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1473 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1474 protected LIRDebugInfo stateFor(Instruction x, FrameState state) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1475 if (compilation.placeholderState != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1476 state = compilation.placeholderState; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1477 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1478 |
2622
91d3952f7eb7
Framestate work : using stateAFter and reducting the number of nodes with framestates. Intermediate state (does not pass tests)
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2602
diff
changeset
|
1479 assert state != null; |
2718
c1ce2a53d6c3
Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2716
diff
changeset
|
1480 LIRBlock exceptionEdge = null; |
c1ce2a53d6c3
Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2716
diff
changeset
|
1481 if (x instanceof ExceptionEdgeInstruction) { |
2781
bda5972a40a5
remove unnecessary BlockBegin nodes in frontend
Lukas Stadler <lukas.stadler@jku.at>
parents:
2775
diff
changeset
|
1482 Instruction begin = ((ExceptionEdgeInstruction) x).exceptionEdge(); |
2718
c1ce2a53d6c3
Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2716
diff
changeset
|
1483 if (begin != null) { |
2728
7e470e1cd3b6
Removed special casing for exception phis in LIRGenerator. Removed dependency between LIRBlock.blockID and BlockBegin.blockID.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2727
diff
changeset
|
1484 exceptionEdge = getLIRBlock(begin); |
2718
c1ce2a53d6c3
Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2716
diff
changeset
|
1485 } |
c1ce2a53d6c3
Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2716
diff
changeset
|
1486 } |
c1ce2a53d6c3
Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2716
diff
changeset
|
1487 return new LIRDebugInfo(state, exceptionEdge); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1488 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1489 |
2596
1c36b17f7ee0
new node layout: AccessMonitor, Invoke
Lukas Stadler <lukas.stadler@jku.at>
parents:
2581
diff
changeset
|
1490 List<CiValue> visitInvokeArguments(CiCallingConvention cc, Invoke x, List<CiValue> pointerSlots) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1491 // for each argument, load it into the correct location |
2596
1c36b17f7ee0
new node layout: AccessMonitor, Invoke
Lukas Stadler <lukas.stadler@jku.at>
parents:
2581
diff
changeset
|
1492 List<CiValue> argList = new ArrayList<CiValue>(x.argumentCount()); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1493 int j = 0; |
2596
1c36b17f7ee0
new node layout: AccessMonitor, Invoke
Lukas Stadler <lukas.stadler@jku.at>
parents:
2581
diff
changeset
|
1494 for (int i = 0; i < x.argumentCount(); i++) { |
1c36b17f7ee0
new node layout: AccessMonitor, Invoke
Lukas Stadler <lukas.stadler@jku.at>
parents:
2581
diff
changeset
|
1495 Value arg = x.argument(i); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1496 if (arg != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1497 CiValue operand = cc.locations[j++]; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1498 if (operand.isRegister()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1499 force(arg, operand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1500 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1501 LIRItem param = new LIRItem(arg, this); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1502 assert operand.isStackSlot(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1503 CiStackSlot slot = (CiStackSlot) operand; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1504 assert !slot.inCallerFrame(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1505 param.loadForStore(slot.kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1506 if (slot.kind == CiKind.Long || slot.kind == CiKind.Double) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1507 lir.unalignedMove(param.result(), slot); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1508 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1509 lir.move(param.result(), slot); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1510 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1511 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1512 if (arg.kind == CiKind.Object && pointerSlots != null) { |
2596
1c36b17f7ee0
new node layout: AccessMonitor, Invoke
Lukas Stadler <lukas.stadler@jku.at>
parents:
2581
diff
changeset
|
1513 // This slot must be marked explicitly in the pointer map. |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1514 pointerSlots.add(slot); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1515 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1516 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1517 argList.add(operand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1518 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1519 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1520 return argList; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1521 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1522 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1523 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1524 * Ensures that an operand has been {@linkplain Value#setOperand(CiValue) initialized} |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1525 * for storing the result of an instruction. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1526 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1527 * @param instruction an instruction that produces a result value |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1528 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1529 protected CiValue makeOperand(Value instruction) { |
2537
4a016ff4d2df
Clean up on LIRGenerator and related.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2532
diff
changeset
|
1530 if (instruction == null) { |
4a016ff4d2df
Clean up on LIRGenerator and related.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2532
diff
changeset
|
1531 return CiValue.IllegalValue; |
4a016ff4d2df
Clean up on LIRGenerator and related.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2532
diff
changeset
|
1532 } |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1533 CiValue operand = instruction.operand(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1534 if (operand.isIllegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1535 if (instruction instanceof Phi) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1536 // a phi may not have an operand yet if it is for an exception block |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1537 operand = operandForPhi((Phi) instruction); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1538 } else if (instruction instanceof Constant) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1539 operand = operandForInstruction(instruction); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1540 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1541 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1542 // the value must be a constant or have a valid operand |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1543 assert operand.isLegal() : "this root has not been visited yet"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1544 return operand; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1545 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1546 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1547 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1548 * Gets the ABI specific operand used to return a value of a given kind from a method. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1549 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1550 * @param kind the kind of value being returned |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1551 * @return the operand representing the ABI defined location used return a value of kind {@code kind} |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1552 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1553 protected CiValue resultOperandFor(CiKind kind) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1554 if (kind == CiKind.Void) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1555 return IllegalValue; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1556 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1557 CiRegister returnRegister = compilation.registerConfig.getReturnRegister(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1558 return returnRegister.asValue(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1559 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1560 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1561 protected XirSupport site(Value x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1562 return xirSupport.site(x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1563 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1564 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1565 public void maybePrintCurrentInstruction() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1566 if (currentInstruction != null && lastInstructionPrinted != currentInstruction) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1567 lastInstructionPrinted = currentInstruction; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1568 InstructionPrinter ip = new InstructionPrinter(TTY.out()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1569 ip.printInstructionListing(currentInstruction); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1570 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1571 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1572 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1573 protected abstract boolean canInlineAsConstant(Value i); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1574 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1575 protected abstract boolean canStoreAsConstant(Value i, CiKind kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1576 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1577 protected abstract boolean strengthReduceMultiply(CiValue left, int constant, CiValue result, CiValue tmp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1578 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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1579 protected abstract CiAddress genAddress(CiValue base, CiValue index, int shift, int disp, CiKind kind); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1580 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1581 protected abstract void genCmpMemInt(Condition condition, CiValue base, int disp, int c, LIRDebugInfo info); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1582 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1583 protected abstract void genCmpRegMem(Condition condition, CiValue reg, CiValue base, int disp, CiKind kind, LIRDebugInfo info); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1584 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1585 /** |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1586 * Implements site-specific information for the XIR interface. |
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Pull over of compiler from maxine repository.
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parents:
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|
1587 */ |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1588 static class XirSupport implements XirSite { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1589 Value current; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1590 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1591 XirSupport() { |
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Pull over of compiler from maxine repository.
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|
1592 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1593 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1594 public CiCodePos getCodePos() { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1595 // TODO: get the code position of the current instruction if possible |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1596 return null; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1597 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1598 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1599 public boolean isNonNull(XirArgument argument) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1600 if (argument.constant == null && argument.object instanceof LIRItem) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1601 // check the flag on the original value |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1602 return ((LIRItem) argument.object).instruction.isNonNull(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1603 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1604 return false; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
1605 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1606 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1607 public boolean requiresNullCheck() { |
2661
194d93d089bd
Towards clean up of canTrap().
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2660
diff
changeset
|
1608 return current == null || true; |
2507
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
1609 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1610 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1611 public boolean requiresBoundsCheck() { |
2541
0f9eeb15e636
More Value.Flag clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2540
diff
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|
1612 return true; |
2507
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
1613 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1614 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1615 public boolean requiresReadBarrier() { |
2545
bb050fe2901d
Fixed regression wrt write barriers.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2543
diff
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|
1616 return current == null || true; |
2507
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1617 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1618 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1619 public boolean requiresWriteBarrier() { |
2545
bb050fe2901d
Fixed regression wrt write barriers.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2543
diff
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|
1620 return current == null || true; |
2507
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1621 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1622 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1623 public boolean requiresArrayStoreCheck() { |
2541
0f9eeb15e636
More Value.Flag clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2540
diff
changeset
|
1624 return true; |
2507
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1625 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1626 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1627 public RiType getApproximateType(XirArgument argument) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1628 return current == null ? null : current.declaredType(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1629 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1630 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1631 public RiType getExactType(XirArgument argument) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1632 return current == null ? null : current.exactType(); |
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Pull over of compiler from maxine repository.
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|
1633 } |
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|
1634 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1635 XirSupport site(Value v) { |
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parents:
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|
1636 current = v; |
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parents:
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|
1637 return this; |
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Pull over of compiler from maxine repository.
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|
1638 } |
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Pull over of compiler from maxine repository.
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|
1639 |
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Pull over of compiler from maxine repository.
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|
1640 @Override |
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Pull over of compiler from maxine repository.
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1641 public String toString() { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1642 return "XirSupport<" + current + ">"; |
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Pull over of compiler from maxine repository.
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|
1643 } |
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Pull over of compiler from maxine repository.
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|
1644 |
2633 | 1645 |
2507
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|
1646 } |
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Pull over of compiler from maxine repository.
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|
1647 |
2630
c93adece95d2
Small clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
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2623
diff
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|
1648 @Override |
c93adece95d2
Small clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
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2623
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|
1649 public void visitFrameState(FrameState i) { |
c93adece95d2
Small clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
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2623
diff
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|
1650 // nothing to do for now |
2507
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Pull over of compiler from maxine repository.
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|
1651 } |
2707
7ed72769d51a
exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents:
2677
diff
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|
1652 |
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exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
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|
1653 @Override |
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exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
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2677
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|
1654 public void visitUnwind(Unwind x) { |
2784
e62cfea1c134
Simplified fillSyncHandler. Fixed LIRGenerator visitUnwind.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2783
diff
changeset
|
1655 // move exception oop into fixed register |
e62cfea1c134
Simplified fillSyncHandler. Fixed LIRGenerator visitUnwind.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2783
diff
changeset
|
1656 CiCallingConvention callingConvention = compilation.frameMap().getCallingConvention(new CiKind[]{CiKind.Object}, RuntimeCall); |
e62cfea1c134
Simplified fillSyncHandler. Fixed LIRGenerator visitUnwind.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2783
diff
changeset
|
1657 CiValue argumentOperand = callingConvention.locations[0]; |
e62cfea1c134
Simplified fillSyncHandler. Fixed LIRGenerator visitUnwind.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2783
diff
changeset
|
1658 lir.move(makeOperand(x.exception()), argumentOperand); |
e62cfea1c134
Simplified fillSyncHandler. Fixed LIRGenerator visitUnwind.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2783
diff
changeset
|
1659 List<CiValue> args = new ArrayList<CiValue>(1); |
2707
7ed72769d51a
exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents:
2677
diff
changeset
|
1660 lir.callRuntime(CiRuntimeCall.UnwindException, CiValue.IllegalValue, args, null); |
7ed72769d51a
exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents:
2677
diff
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|
1661 setNoResult(x); |
7ed72769d51a
exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents:
2677
diff
changeset
|
1662 } |
2507
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Pull over of compiler from maxine repository.
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diff
changeset
|
1663 } |