Mercurial > hg > graal-jvmci-8
annotate graal/GraalCompiler/src/com/sun/c1x/gen/LIRGenerator.java @ 2755:80b024e75b29
small fix for dead blocks
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Fri, 20 May 2011 14:50:04 +0200 |
parents | 88123130ede6 |
children | b72e6638b9e6 |
rev | line source |
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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.util.*; |
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31 |
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32 import com.oracle.max.asm.*; |
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33 import com.sun.c1x.*; |
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34 import com.sun.c1x.alloc.*; |
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35 import com.sun.c1x.alloc.OperandPool.*; |
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36 import com.sun.c1x.debug.*; |
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37 import com.sun.c1x.globalstub.*; |
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38 import com.sun.c1x.graph.*; |
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39 import com.sun.c1x.ir.*; |
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40 import com.sun.c1x.lir.*; |
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41 import com.sun.c1x.util.*; |
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42 import com.sun.c1x.value.*; |
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43 import com.sun.cri.bytecode.*; |
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44 import com.sun.cri.ci.*; |
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45 import com.sun.cri.ri.*; |
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46 import com.sun.cri.xir.*; |
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47 import com.sun.cri.xir.CiXirAssembler.*; |
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48 |
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49 /** |
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50 * This class traverses the HIR instructions and generates LIR instructions from them. |
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51 */ |
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52 public abstract class LIRGenerator extends ValueVisitor { |
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53 |
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54 /** |
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55 * Helper class for inserting memory barriers as necessary to implement the Java Memory Model |
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56 * with respect to volatile field accesses. |
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57 * |
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58 * @see MemoryBarriers |
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59 */ |
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60 class VolatileMemoryAccess { |
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61 /** |
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62 * Inserts any necessary memory barriers before a volatile write as required by the JMM. |
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63 */ |
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64 void preVolatileWrite() { |
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65 int barriers = compilation.target.arch.requiredBarriers(JMM_PRE_VOLATILE_WRITE); |
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66 if (compilation.target.isMP && barriers != 0) { |
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67 lir.membar(barriers); |
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68 } |
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69 } |
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70 |
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71 /** |
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72 * Inserts any necessary memory barriers after a volatile write as required by the JMM. |
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73 */ |
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74 void postVolatileWrite() { |
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75 int barriers = compilation.target.arch.requiredBarriers(JMM_POST_VOLATILE_WRITE); |
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76 if (compilation.target.isMP && barriers != 0) { |
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77 lir.membar(barriers); |
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78 } |
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79 } |
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80 |
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81 /** |
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82 * Inserts any necessary memory barriers before a volatile read as required by the JMM. |
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83 */ |
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84 void preVolatileRead() { |
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85 int barriers = compilation.target.arch.requiredBarriers(JMM_PRE_VOLATILE_READ); |
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86 if (compilation.target.isMP && barriers != 0) { |
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87 lir.membar(barriers); |
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88 } |
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89 } |
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90 |
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91 /** |
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92 * Inserts any necessary memory barriers after a volatile read as required by the JMM. |
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93 */ |
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94 void postVolatileRead() { |
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95 // Ensure field's data is loaded before any subsequent loads or stores. |
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96 int barriers = compilation.target.arch.requiredBarriers(LOAD_LOAD | LOAD_STORE); |
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97 if (compilation.target.isMP && barriers != 0) { |
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98 lir.membar(barriers); |
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99 } |
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100 } |
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101 } |
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102 |
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103 /** |
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104 * Forces the result of a given instruction to be available in a given register, |
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105 * inserting move instructions if necessary. |
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106 * |
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107 * @param instruction an instruction that produces a {@linkplain Value#operand() result} |
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108 * @param register the {@linkplain CiRegister} in which the result of {@code instruction} must be available |
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109 * @return {@code register} as an operand |
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110 */ |
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111 protected CiValue force(Value instruction, CiRegister register) { |
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112 return force(instruction, register.asValue(instruction.kind)); |
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113 } |
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114 |
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115 /** |
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116 * Forces the result of a given instruction to be available in a given operand, |
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117 * inserting move instructions if necessary. |
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118 * |
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119 * @param instruction an instruction that produces a {@linkplain Value#operand() result} |
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120 * @param operand the operand in which the result of {@code instruction} must be available |
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121 * @return {@code operand} |
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122 */ |
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123 protected CiValue force(Value instruction, CiValue operand) { |
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124 CiValue result = makeOperand(instruction); |
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125 if (result != operand) { |
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126 assert result.kind != CiKind.Illegal; |
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127 if (!compilation.archKindsEqual(result.kind, operand.kind)) { |
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128 // moves between different types need an intervening spill slot |
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129 CiValue tmp = forceToSpill(result, operand.kind, false); |
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130 lir.move(tmp, operand); |
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131 } else { |
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132 lir.move(result, operand); |
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133 } |
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134 } |
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135 return operand; |
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136 } |
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137 |
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138 protected CiValue load(Value val) { |
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139 CiValue result = makeOperand(val); |
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140 if (!result.isVariableOrRegister()) { |
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141 CiVariable operand = newVariable(val.kind); |
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142 lir.move(result, operand); |
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143 return operand; |
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144 } |
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145 return result; |
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146 } |
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147 |
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148 // the range of values in a lookupswitch or tableswitch statement |
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149 private static final class SwitchRange { |
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150 final int lowKey; |
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151 int highKey; |
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152 final LIRBlock sux; |
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153 |
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154 SwitchRange(int lowKey, LIRBlock sux) { |
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155 this.lowKey = lowKey; |
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156 this.highKey = lowKey; |
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157 this.sux = sux; |
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158 } |
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159 } |
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160 |
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161 protected final C1XCompilation compilation; |
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162 protected final IR ir; |
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163 protected final XirSupport xirSupport; |
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164 protected final RiXirGenerator xir; |
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165 protected final boolean isTwoOperand; |
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166 |
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167 private LIRBlock currentBlock; |
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168 |
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169 public final OperandPool operands; |
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170 |
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171 private Value currentInstruction; |
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172 private Value lastInstructionPrinted; // Debugging only |
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173 |
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174 private List<CiConstant> constants; |
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175 private List<CiVariable> variablesForConstants; |
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176 protected LIRList lir; |
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177 final VolatileMemoryAccess vma; |
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178 private ArrayList<DeoptimizationStub> deoptimizationStubs; |
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179 private FrameState lastState; |
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180 |
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181 public LIRGenerator(C1XCompilation compilation) { |
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182 this.compilation = compilation; |
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183 this.ir = compilation.hir(); |
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184 this.xir = compilation.compiler.xir; |
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185 this.xirSupport = new XirSupport(); |
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186 this.isTwoOperand = compilation.target.arch.twoOperandMode(); |
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187 this.vma = new VolatileMemoryAccess(); |
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188 |
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189 constants = new ArrayList<CiConstant>(); |
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190 variablesForConstants = new ArrayList<CiVariable>(); |
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191 |
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192 this.operands = new OperandPool(compilation.target); |
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193 |
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194 new PhiSimplifier(ir); |
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195 } |
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196 |
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197 public ArrayList<DeoptimizationStub> deoptimizationStubs() { |
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198 return deoptimizationStubs; |
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199 } |
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200 |
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201 private void addDeoptimizationStub(DeoptimizationStub stub) { |
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202 if (deoptimizationStubs == null) { |
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203 deoptimizationStubs = new ArrayList<LIRGenerator.DeoptimizationStub>(); |
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204 } |
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205 deoptimizationStubs.add(stub); |
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206 } |
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207 |
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208 public static class DeoptimizationStub { |
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209 public final Label label = new Label(); |
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210 public final LIRDebugInfo info; |
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211 |
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212 public DeoptimizationStub(FrameState state) { |
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213 info = new LIRDebugInfo(state, null); |
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214 } |
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215 } |
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216 |
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217 public void doBlock(LIRBlock block) { |
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218 blockDoProlog(block); |
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219 this.currentBlock = block; |
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220 |
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221 if (C1XOptions.TraceLIRGeneratorLevel >= 1) { |
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222 TTY.println("BEGIN Generating LIR for block B" + block.blockID()); |
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223 } |
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224 |
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225 for (Instruction instr : block.getInstructions()) { |
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226 FrameState stateAfter = instr.stateAfter(); |
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227 FrameState stateBefore = null; |
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228 if (instr instanceof StateSplit && ((StateSplit) instr).stateBefore() != null) { |
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229 stateBefore = ((StateSplit) instr).stateBefore(); |
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230 } |
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231 if (stateBefore != null) { |
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232 lastState = stateBefore; |
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233 if (C1XOptions.TraceLIRGeneratorLevel >= 2) { |
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234 TTY.println("STATE CHANGE (stateBefore)"); |
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235 if (C1XOptions.TraceLIRGeneratorLevel >= 3) { |
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236 TTY.println(stateBefore.toString()); |
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237 } |
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238 } |
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239 } |
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240 if (!(instr instanceof BlockBegin)) { |
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241 walkState(instr, stateAfter); |
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242 doRoot(instr); |
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243 } |
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244 if (stateAfter != null) { |
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245 lastState = stateAfter; |
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246 if (C1XOptions.TraceLIRGeneratorLevel >= 2) { |
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247 TTY.println("STATE CHANGE"); |
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248 if (C1XOptions.TraceLIRGeneratorLevel >= 3) { |
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249 TTY.println(stateAfter.toString()); |
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250 } |
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251 } |
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252 } |
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253 } |
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254 |
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255 if (C1XOptions.TraceLIRGeneratorLevel >= 1) { |
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256 TTY.println("END Generating LIR for block B" + block.blockID()); |
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257 } |
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258 |
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259 this.currentBlock = null; |
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260 blockDoEpilog(); |
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261 } |
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262 |
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263 @Override |
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264 public void visitArrayLength(ArrayLength x) { |
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265 emitArrayLength(x); |
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266 } |
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267 |
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268 public CiValue emitArrayLength(ArrayLength x) { |
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269 XirArgument array = toXirArgument(x.array()); |
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270 XirSnippet snippet = xir.genArrayLength(site(x), array); |
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271 emitXir(snippet, x, stateFor(x), null, true); |
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272 return x.operand(); |
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273 } |
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274 |
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275 private void setOperandsForLocals(FrameState state) { |
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276 CiCallingConvention args = compilation.frameMap().incomingArguments(); |
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277 int javaIndex = 0; |
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278 for (int i = 0; i < args.locations.length; i++) { |
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279 CiValue src = args.locations[i]; |
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280 assert src.isLegal() : "check"; |
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281 |
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282 CiVariable dest = newVariable(src.kind.stackKind()); |
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283 lir.move(src, dest, src.kind); |
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284 |
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285 // Assign new location to Local instruction for this local |
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286 Value instr = state.localAt(javaIndex); |
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287 Local local = ((Local) instr); |
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288 CiKind kind = src.kind.stackKind(); |
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289 assert kind == local.kind.stackKind() : "local type check failed"; |
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290 setResult(local, dest); |
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291 javaIndex += kind.jvmSlots; |
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292 } |
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293 } |
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294 |
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295 @Override |
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296 public void visitCheckCast(CheckCast x) { |
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297 XirArgument obj = toXirArgument(x.object()); |
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298 XirSnippet snippet = xir.genCheckCast(site(x), obj, toXirArgument(x.targetClassInstruction()), x.targetClass()); |
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299 emitXir(snippet, x, stateFor(x), null, true); |
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300 } |
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301 |
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302 @Override |
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303 public void visitInstanceOf(InstanceOf x) { |
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304 XirArgument obj = toXirArgument(x.object()); |
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305 XirSnippet snippet = xir.genInstanceOf(site(x), obj, toXirArgument(x.targetClassInstruction()), x.targetClass()); |
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306 emitXir(snippet, x, stateFor(x), null, true); |
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307 } |
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308 |
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309 @Override |
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310 public void visitMonitorEnter(MonitorEnter x) { |
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311 XirArgument obj = toXirArgument(x.object()); |
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312 XirArgument lockAddress = toXirArgument(x.lockAddress()); |
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313 XirSnippet snippet = xir.genMonitorEnter(site(x), obj, lockAddress); |
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314 emitXir(snippet, x, stateFor(x), stateFor(x, x.stateAfter()), null, true, null); |
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315 } |
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316 |
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317 @Override |
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318 public void visitMonitorExit(MonitorExit x) { |
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319 XirArgument obj = toXirArgument(x.object()); |
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320 XirArgument lockAddress = toXirArgument(x.lockAddress()); |
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321 XirSnippet snippet = xir.genMonitorExit(site(x), obj, lockAddress); |
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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 visitStoreIndexed(StoreIndexed x) { |
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327 XirArgument array = toXirArgument(x.array()); |
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328 XirArgument length = x.length() == null ? null : toXirArgument(x.length()); |
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329 XirArgument index = toXirArgument(x.index()); |
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330 XirArgument value = toXirArgument(x.value()); |
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331 XirSnippet snippet = xir.genArrayStore(site(x), array, index, length, value, x.elementKind(), null); |
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332 emitXir(snippet, x, stateFor(x), null, true); |
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333 } |
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334 |
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335 @Override |
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336 public void visitNewInstance(NewInstance x) { |
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337 XirSnippet snippet = xir.genNewInstance(site(x), x.instanceClass()); |
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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 visitNewTypeArray(NewTypeArray x) { |
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343 XirArgument length = toXirArgument(x.length()); |
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344 XirSnippet snippet = xir.genNewArray(site(x), length, x.elementKind(), null, null); |
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345 emitXir(snippet, x, stateFor(x), null, true); |
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346 } |
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347 |
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348 @Override |
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349 public void visitNewObjectArray(NewObjectArray x) { |
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350 XirArgument length = toXirArgument(x.length()); |
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351 XirSnippet snippet = xir.genNewArray(site(x), length, CiKind.Object, x.elementClass(), x.exactType()); |
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352 emitXir(snippet, x, stateFor(x), null, true); |
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353 } |
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354 |
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355 @Override |
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356 public void visitNewMultiArray(NewMultiArray x) { |
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357 XirArgument[] dims = new XirArgument[x.dimensionCount()]; |
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358 |
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359 for (int i = 0; i < dims.length; i++) { |
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360 dims[i] = toXirArgument(x.dimension(i)); |
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361 } |
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362 |
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363 XirSnippet snippet = xir.genNewMultiArray(site(x), dims, x.elementKind); |
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364 emitXir(snippet, x, stateFor(x), null, true); |
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365 } |
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366 |
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367 @Override |
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368 public void visitConstant(Constant x) { |
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369 if (!canInlineAsConstant(x)) { |
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370 CiValue res = x.operand(); |
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371 if (!(res.isLegal())) { |
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372 res = x.asConstant(); |
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373 } |
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374 if (res.isConstant()) { |
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375 CiVariable reg = createResultVariable(x); |
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376 lir.move(res, reg); |
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377 } else { |
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378 setResult(x, (CiVariable) res); |
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379 } |
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380 } |
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381 } |
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382 |
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383 @Override |
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384 public void visitExceptionObject(ExceptionObject x) { |
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385 XirSnippet snippet = xir.genExceptionObject(site(x)); |
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386 emitXir(snippet, x, stateFor(x), null, true); |
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387 } |
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388 |
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389 @Override |
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390 public void visitGoto(Goto x) { |
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391 setNoResult(x); |
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392 |
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393 // emit phi-instruction moves after safepoint since this simplifies |
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394 // describing the state at the safepoint. |
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395 moveToPhi(x.stateAfter()); |
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396 |
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397 lir.jump(getLIRBlock(x.defaultSuccessor())); |
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398 } |
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399 |
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400 @Override |
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401 public void visitIfOp(IfOp i) { |
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402 Value x = i.x(); |
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403 Value y = i.y(); |
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404 CiKind xtype = x.kind; |
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405 CiKind ttype = i.trueValue().kind; |
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406 assert xtype.isInt() || xtype.isObject() : "cannot handle others"; |
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407 assert ttype.isInt() || ttype.isObject() || ttype.isLong() || ttype.isWord() : "cannot handle others"; |
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408 assert ttype.equals(i.falseValue().kind) : "cannot handle others"; |
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409 |
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410 CiValue left = load(x); |
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411 CiValue right = null; |
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412 if (!canInlineAsConstant(y)) { |
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413 right = load(y); |
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414 } else { |
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415 right = makeOperand(y); |
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416 } |
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417 |
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418 CiValue tVal = makeOperand(i.trueValue()); |
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419 CiValue fVal = makeOperand(i.falseValue()); |
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420 CiValue reg = createResultVariable(i); |
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421 |
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422 lir.cmp(i.condition(), left, right); |
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423 lir.cmove(i.condition(), tVal, fVal, reg); |
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424 } |
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425 |
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426 protected FrameState stateBeforeInvokeReturn(Invoke invoke) { |
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427 return invoke.stateAfter().duplicateModified(getBeforeInvokeBci(invoke), invoke.kind); |
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428 } |
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429 |
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430 protected FrameState stateBeforeInvokeWithArguments(Invoke invoke) { |
2666
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duplicateModified helper method
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2661
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431 Value[] args = new Value[invoke.argumentCount()]; |
6ca76b891d31
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2661
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432 for (int i = 0; i < invoke.argumentCount(); i++) { |
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433 args[i] = invoke.argument(i); |
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434 } |
2716
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435 return invoke.stateAfter().duplicateModified(getBeforeInvokeBci(invoke), invoke.kind, args); |
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436 } |
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2715
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|
437 |
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438 private int getBeforeInvokeBci(Invoke invoke) { |
c1a9bf38da28
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439 int length = 3; |
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440 if (invoke.opcode() == Bytecodes.INVOKEINTERFACE) { |
c1a9bf38da28
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441 length += 2; |
c1a9bf38da28
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2715
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|
442 } |
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2715
diff
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|
443 return invoke.stateAfter().bci - length; |
2628
569228710be8
More FrameState work
Gilles Duboscq <gilles.duboscq@oracle.com>
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2623
diff
changeset
|
444 } |
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
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|
445 |
2507
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446 @Override |
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447 public void visitInvoke(Invoke x) { |
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448 RiMethod target = x.target(); |
2640
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2639
diff
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|
449 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
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|
450 LIRDebugInfo info2 = stateFor(x, stateBeforeInvokeReturn(x)); |
2507
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|
451 |
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|
452 XirSnippet snippet = null; |
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|
453 |
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454 int opcode = x.opcode(); |
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|
455 XirArgument receiver; |
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456 switch (opcode) { |
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|
457 case INVOKESTATIC: |
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458 snippet = xir.genInvokeStatic(site(x), target); |
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|
459 break; |
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|
460 case INVOKESPECIAL: |
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|
461 receiver = toXirArgument(x.receiver()); |
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462 snippet = xir.genInvokeSpecial(site(x), receiver, target); |
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diff
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|
463 break; |
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|
464 case INVOKEVIRTUAL: |
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|
465 receiver = toXirArgument(x.receiver()); |
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466 snippet = xir.genInvokeVirtual(site(x), receiver, target); |
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diff
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|
467 break; |
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|
468 case INVOKEINTERFACE: |
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|
469 receiver = toXirArgument(x.receiver()); |
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|
470 snippet = xir.genInvokeInterface(site(x), receiver, target); |
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|
471 break; |
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|
472 } |
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|
473 |
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|
474 CiValue destinationAddress = null; |
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|
475 // emitting the template earlier can ease pressure on register allocation, but the argument loading can destroy an |
9ec15d6914ca
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476 // implicit calling convention between the XirSnippet and the call. |
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|
477 if (!C1XOptions.InvokeSnippetAfterArguments) { |
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478 destinationAddress = emitXir(snippet, x, info.copy(), x.target(), false); |
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|
479 } |
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|
480 |
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|
481 CiValue resultOperand = resultOperandFor(x.kind); |
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482 CiCallingConvention cc = compilation.frameMap().getCallingConvention(x.signature(), JavaCall); |
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diff
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|
483 List<CiValue> pointerSlots = new ArrayList<CiValue>(2); |
2596
1c36b17f7ee0
new node layout: AccessMonitor, Invoke
Lukas Stadler <lukas.stadler@jku.at>
parents:
2581
diff
changeset
|
484 List<CiValue> argList = visitInvokeArguments(cc, x, pointerSlots); |
2507
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diff
changeset
|
485 |
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diff
changeset
|
486 if (C1XOptions.InvokeSnippetAfterArguments) { |
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487 destinationAddress = emitXir(snippet, x, info.copy(), null, x.target(), false, pointerSlots); |
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488 } |
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489 |
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490 // emit direct or indirect call to the destination address |
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491 if (destinationAddress instanceof CiConstant) { |
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492 // Direct call |
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493 assert ((CiConstant) destinationAddress).isDefaultValue() : "destination address should be zero"; |
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494 lir.callDirect(target, resultOperand, argList, info2, snippet.marks, pointerSlots); |
2507
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495 } else { |
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496 // Indirect call |
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497 argList.add(destinationAddress); |
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498 lir.callIndirect(target, resultOperand, argList, info2, snippet.marks, pointerSlots); |
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499 } |
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500 |
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501 if (resultOperand.isLegal()) { |
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502 CiValue result = createResultVariable(x); |
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503 lir.move(resultOperand, result); |
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504 } |
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505 } |
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506 |
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507 @Override |
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508 public void visitMonitorAddress(MonitorAddress x) { |
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509 CiValue result = createResultVariable(x); |
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510 lir.monitorAddress(x.monitor(), result); |
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511 } |
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512 |
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513 /** |
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514 * For note on volatile fields, see {@link #visitStoreField(StoreField)}. |
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515 */ |
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516 @Override |
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517 public void visitLoadField(LoadField x) { |
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518 RiField field = x.field(); |
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519 LIRDebugInfo info = stateFor(x); |
2507
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520 XirArgument receiver = toXirArgument(x.object()); |
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521 XirSnippet snippet = x.isStatic() ? xir.genGetStatic(site(x), receiver, field) : xir.genGetField(site(x), receiver, field); |
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522 emitXir(snippet, x, info, null, true); |
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523 |
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524 if (x.isVolatile()) { |
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525 vma.postVolatileRead(); |
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526 } |
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527 } |
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528 |
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529 @Override |
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530 public void visitLoadIndexed(LoadIndexed x) { |
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531 XirArgument array = toXirArgument(x.array()); |
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532 XirArgument index = toXirArgument(x.index()); |
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533 XirArgument length = toXirArgument(x.length()); |
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534 XirSnippet snippet = xir.genArrayLoad(site(x), array, index, length, x.elementKind(), null); |
2634
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2633
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535 emitXir(snippet, x, stateFor(x), null, true); |
2507
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536 } |
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537 |
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538 protected GlobalStub stubFor(CiRuntimeCall runtimeCall) { |
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539 GlobalStub stub = compilation.compiler.lookupGlobalStub(runtimeCall); |
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540 compilation.frameMap().usesGlobalStub(stub); |
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541 return stub; |
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542 } |
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543 |
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544 protected GlobalStub stubFor(GlobalStub.Id globalStub) { |
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545 GlobalStub stub = compilation.compiler.lookupGlobalStub(globalStub); |
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546 compilation.frameMap().usesGlobalStub(stub); |
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547 return stub; |
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548 } |
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549 |
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550 protected GlobalStub stubFor(XirTemplate template) { |
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551 GlobalStub stub = compilation.compiler.lookupGlobalStub(template); |
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552 compilation.frameMap().usesGlobalStub(stub); |
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553 return stub; |
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554 } |
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555 |
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556 @Override |
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557 public void visitLocal(Local x) { |
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558 if (x.operand().isIllegal()) { |
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559 createResultVariable(x); |
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560 } |
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561 } |
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|
562 |
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563 @Override |
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564 public void visitLookupSwitch(LookupSwitch x) { |
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565 CiValue tag = load(x.value()); |
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566 setNoResult(x); |
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|
567 |
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|
568 // move values into phi locations |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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569 moveToPhi(x.stateAfter()); |
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Pull over of compiler from maxine repository.
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parents:
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|
570 |
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parents:
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571 if (x.numberOfCases() == 0 || x.numberOfCases() < C1XOptions.SequentialSwitchLimit) { |
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Pull over of compiler from maxine repository.
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diff
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572 int len = x.numberOfCases(); |
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|
573 for (int i = 0; i < len; i++) { |
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574 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>
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2718
diff
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|
575 lir.branch(Condition.EQ, CiKind.Int, getLIRBlock(x.blockSuccessor(i))); |
2507
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diff
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|
576 } |
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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577 lir.jump(getLIRBlock(x.defaultSuccessor())); |
2507
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578 } else { |
2725
c379183d1c54
Removed target block references from LIR to BlockBegin instructions. Now there is a getLIRBlock method in the LIRGenerator.
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2718
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579 visitSwitchRanges(createLookupRanges(x), tag, getLIRBlock(x.defaultSuccessor())); |
2507
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|
580 } |
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|
581 } |
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diff
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|
582 |
2755
80b024e75b29
small fix for dead blocks
Lukas Stadler <lukas.stadler@jku.at>
parents:
2738
diff
changeset
|
583 protected LIRBlock getLIRBlock(Instruction b) { |
80b024e75b29
small fix for dead blocks
Lukas Stadler <lukas.stadler@jku.at>
parents:
2738
diff
changeset
|
584 assert b instanceof BlockBegin : "only BlockBegin, for now..."; |
80b024e75b29
small fix for dead blocks
Lukas Stadler <lukas.stadler@jku.at>
parents:
2738
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585 return ((BlockBegin) b).lirBlock(); |
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:
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diff
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|
586 } |
c379183d1c54
Removed target block references from LIR to BlockBegin instructions. Now there is a getLIRBlock method in the LIRGenerator.
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parents:
2718
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|
587 |
2507
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diff
changeset
|
588 @Override |
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|
589 public void visitNullCheck(NullCheck x) { |
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diff
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590 CiValue value = load(x.object()); |
2661
194d93d089bd
Towards clean up of canTrap().
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2660
diff
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|
591 LIRDebugInfo info = stateFor(x); |
194d93d089bd
Towards clean up of canTrap().
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2660
diff
changeset
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592 lir.nullCheck(value, info); |
2507
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diff
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|
593 } |
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changeset
|
594 |
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changeset
|
595 @Override |
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|
596 public void visitPhi(Phi i) { |
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diff
changeset
|
597 Util.shouldNotReachHere(); |
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|
598 } |
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|
599 |
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diff
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|
600 @Override |
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601 public void visitReturn(Return x) { |
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changeset
|
602 if (x.kind.isVoid()) { |
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Pull over of compiler from maxine repository.
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parents:
diff
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603 XirSnippet epilogue = xir.genEpilogue(site(x), compilation.method); |
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Pull over of compiler from maxine repository.
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diff
changeset
|
604 if (epilogue != null) { |
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
|
605 emitXir(epilogue, x, stateFor(x), compilation.method, false); |
2507
9ec15d6914ca
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606 lir.returnOp(IllegalValue); |
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diff
changeset
|
607 } |
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diff
changeset
|
608 } else { |
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609 CiValue operand = resultOperandFor(x.kind); |
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610 CiValue result = force(x.result(), operand); |
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611 XirSnippet epilogue = xir.genEpilogue(site(x), compilation.method); |
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612 if (epilogue != null) { |
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613 emitXir(epilogue, x, stateFor(x, x.stateAfter()), compilation.method, false); |
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614 lir.returnOp(result); |
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|
615 } |
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|
616 } |
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|
617 setNoResult(x); |
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618 } |
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|
619 |
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620 protected XirArgument toXirArgument(CiValue v) { |
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|
621 if (v == null) { |
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622 return null; |
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|
623 } |
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|
624 |
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625 return XirArgument.forInternalObject(v); |
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626 } |
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|
627 |
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628 protected XirArgument toXirArgument(Value i) { |
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|
629 if (i == null) { |
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630 return null; |
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631 } |
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632 |
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633 return XirArgument.forInternalObject(new LIRItem(i, this)); |
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634 } |
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635 |
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636 private CiValue allocateOperand(XirSnippet snippet, XirOperand op) { |
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637 if (op instanceof XirParameter) { |
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638 XirParameter param = (XirParameter) op; |
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639 return allocateOperand(snippet.arguments[param.parameterIndex], op, param.canBeConstant); |
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640 } else if (op instanceof XirRegister) { |
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641 XirRegister reg = (XirRegister) op; |
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642 return reg.register; |
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643 } else if (op instanceof XirTemp) { |
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644 return newVariable(op.kind); |
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645 } else { |
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646 Util.shouldNotReachHere(); |
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647 return null; |
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648 } |
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|
649 } |
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|
650 |
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651 private CiValue allocateOperand(XirArgument arg, XirOperand var, boolean canBeConstant) { |
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652 if (arg.constant != null) { |
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653 return arg.constant; |
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654 } else { |
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655 assert arg.object != null; |
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656 if (arg.object instanceof CiValue) { |
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657 return (CiValue) arg.object; |
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658 } |
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659 assert arg.object instanceof LIRItem; |
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660 LIRItem item = (LIRItem) arg.object; |
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661 if (canBeConstant) { |
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662 return item.instruction.operand(); |
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663 } else { |
2537
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664 CiKind kind = var.kind; |
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665 if (kind == CiKind.Byte || kind == CiKind.Boolean) { |
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666 item.loadByteItem(); |
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667 } else { |
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668 item.loadItem(); |
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669 } |
2507
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670 return item.result(); |
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671 } |
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diff
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|
672 } |
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|
673 } |
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674 |
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675 protected CiValue emitXir(XirSnippet snippet, Instruction x, LIRDebugInfo info, RiMethod method, boolean setInstructionResult) { |
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676 return emitXir(snippet, x, info, null, method, setInstructionResult, null); |
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677 } |
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|
678 |
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679 protected CiValue emitXir(XirSnippet snippet, Instruction instruction, LIRDebugInfo info, LIRDebugInfo infoAfter, RiMethod method, boolean setInstructionResult, List<CiValue> pointerSlots) { |
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680 if (C1XOptions.PrintXirTemplates) { |
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681 TTY.println("Emit XIR template " + snippet.template.name); |
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682 } |
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|
683 |
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684 final CiValue[] operands = new CiValue[snippet.template.variableCount]; |
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|
685 |
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686 compilation.frameMap().reserveOutgoing(snippet.template.outgoingStackSize); |
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|
687 |
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688 XirOperand resultOperand = snippet.template.resultOperand; |
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|
689 |
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diff
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690 if (snippet.template.allocateResultOperand) { |
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691 CiValue outputOperand = IllegalValue; |
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692 // This snippet has a result that must be separately allocated |
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693 // Otherwise it is assumed that the result is part of the inputs |
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694 if (resultOperand.kind != CiKind.Void && resultOperand.kind != CiKind.Illegal) { |
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diff
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|
695 if (setInstructionResult) { |
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diff
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|
696 outputOperand = newVariable(instruction.kind); |
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diff
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|
697 } else { |
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diff
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|
698 outputOperand = newVariable(resultOperand.kind); |
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parents:
diff
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|
699 } |
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diff
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|
700 assert operands[resultOperand.index] == null; |
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diff
changeset
|
701 } |
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diff
changeset
|
702 operands[resultOperand.index] = outputOperand; |
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diff
changeset
|
703 if (C1XOptions.PrintXirTemplates) { |
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diff
changeset
|
704 TTY.println("Output operand: " + outputOperand); |
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parents:
diff
changeset
|
705 } |
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parents:
diff
changeset
|
706 } |
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parents:
diff
changeset
|
707 |
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diff
changeset
|
708 for (XirTemp t : snippet.template.temps) { |
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parents:
diff
changeset
|
709 if (t instanceof XirRegister) { |
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parents:
diff
changeset
|
710 XirRegister reg = (XirRegister) t; |
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parents:
diff
changeset
|
711 if (!t.reserve) { |
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parents:
diff
changeset
|
712 operands[t.index] = reg.register; |
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parents:
diff
changeset
|
713 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
714 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
715 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
716 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
717 for (XirTemplate calleeTemplate : snippet.template.calleeTemplates) { |
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parents:
diff
changeset
|
718 // TODO Save these for use in X86LIRAssembler |
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parents:
diff
changeset
|
719 stubFor(calleeTemplate); |
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parents:
diff
changeset
|
720 } |
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parents:
diff
changeset
|
721 |
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parents:
diff
changeset
|
722 for (XirConstant c : snippet.template.constants) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
723 assert operands[c.index] == null; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
724 operands[c.index] = c.value; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
725 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
726 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
727 XirOperand[] inputOperands = snippet.template.inputOperands; |
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parents:
diff
changeset
|
728 XirOperand[] inputTempOperands = snippet.template.inputTempOperands; |
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parents:
diff
changeset
|
729 XirOperand[] tempOperands = snippet.template.tempOperands; |
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parents:
diff
changeset
|
730 |
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parents:
diff
changeset
|
731 CiValue[] operandArray = new CiValue[inputOperands.length + inputTempOperands.length + tempOperands.length]; |
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parents:
diff
changeset
|
732 int[] operandIndicesArray = new int[inputOperands.length + inputTempOperands.length + tempOperands.length]; |
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parents:
diff
changeset
|
733 for (int i = 0; i < inputOperands.length; i++) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
734 XirOperand x = inputOperands[i]; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
735 CiValue op = allocateOperand(snippet, x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
736 operands[x.index] = op; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
737 operandArray[i] = op; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
738 operandIndicesArray[i] = x.index; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
739 if (C1XOptions.PrintXirTemplates) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
740 TTY.println("Input operand: " + x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
741 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
742 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
743 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
744 for (int i = 0; i < inputTempOperands.length; i++) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
745 XirOperand x = inputTempOperands[i]; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
746 CiValue op = allocateOperand(snippet, x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
747 CiValue newOp = newVariable(op.kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
748 lir.move(op, newOp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
749 operands[x.index] = newOp; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
750 operandArray[i + inputOperands.length] = newOp; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
751 operandIndicesArray[i + inputOperands.length] = x.index; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
752 if (C1XOptions.PrintXirTemplates) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
753 TTY.println("InputTemp operand: " + x); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
754 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
755 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
756 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
757 for (int i = 0; i < tempOperands.length; i++) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
758 XirOperand x = tempOperands[i]; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
759 CiValue op = allocateOperand(snippet, x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
760 operands[x.index] = op; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
761 operandArray[i + inputOperands.length + inputTempOperands.length] = op; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
762 operandIndicesArray[i + inputOperands.length + inputTempOperands.length] = x.index; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
763 if (C1XOptions.PrintXirTemplates) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
764 TTY.println("Temp operand: " + x); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
765 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
766 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
767 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
768 for (CiValue operand : operands) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
769 assert operand != null; |
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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 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
772 CiValue allocatedResultOperand = operands[resultOperand.index]; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
773 if (!allocatedResultOperand.isVariableOrRegister()) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
774 allocatedResultOperand = IllegalValue; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
775 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
776 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
777 if (setInstructionResult && allocatedResultOperand.isLegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
778 if (instruction.operand().isIllegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
779 setResult(instruction, (CiVariable) allocatedResultOperand); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
780 } else { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
781 assert instruction.operand() == allocatedResultOperand; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
782 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
783 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
784 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
785 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
786 XirInstruction[] slowPath = snippet.template.slowPath; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
787 if (!operands[resultOperand.index].isConstant() || snippet.template.fastPath.length != 0 || (slowPath != null && slowPath.length > 0)) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
788 // XIR instruction is only needed when the operand is not a constant! |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
789 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
|
790 operandArray, operandIndicesArray, |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
791 (operands[resultOperand.index] == IllegalValue) ? -1 : resultOperand.index, |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
792 info, infoAfter, method, pointerSlots); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
793 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
794 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
795 return operands[resultOperand.index]; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
796 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
797 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
798 @Override |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
799 public void visitStoreField(StoreField x) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
800 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
|
801 LIRDebugInfo info = stateFor(x); |
2507
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diff
changeset
|
802 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
803 if (x.isVolatile()) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
804 vma.preVolatileWrite(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
805 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
806 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
807 XirArgument receiver = toXirArgument(x.object()); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
808 XirArgument value = toXirArgument(x.value()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
809 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
|
810 emitXir(snippet, x, info, null, true); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
811 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
812 if (x.isVolatile()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
813 vma.postVolatileWrite(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
814 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
815 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
816 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
817 @Override |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
818 public void visitTableSwitch(TableSwitch x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
819 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
820 LIRItem value = new LIRItem(x.value(), this); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
821 // 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
|
822 value.setDestroysRegister(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
823 value.loadItem(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
824 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
825 CiValue tag = value.result(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
826 setNoResult(x); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
827 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
828 // move values into phi locations |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
829 moveToPhi(x.stateAfter()); |
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 // 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
|
832 if (x.numberOfCases() == 0 || x.numberOfCases() <= C1XOptions.SequentialSwitchLimit) { |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
833 int loKey = x.lowKey(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
834 int len = x.numberOfCases(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
835 for (int i = 0; i < len; i++) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
836 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
|
837 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
|
838 } |
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
|
839 lir.jump(getLIRBlock(x.defaultSuccessor())); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
840 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
841 SwitchRange[] switchRanges = createLookupRanges(x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
842 int rangeDensity = x.numberOfCases() / switchRanges.length; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
843 if (rangeDensity >= C1XOptions.RangeTestsSwitchDensity) { |
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
|
844 visitSwitchRanges(switchRanges, tag, getLIRBlock(x.defaultSuccessor())); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
845 } else { |
2581
4a36a0bd6d18
added GraalGraph to classpath, Node as superclass of Value
Lukas Stadler <lukas.stadler@jku.at>
parents:
2564
diff
changeset
|
846 List<BlockBegin> nonDefaultSuccessors = x.blockSuccessors().subList(0, x.numberOfCases()); |
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
|
847 LIRBlock[] targets = new LIRBlock[nonDefaultSuccessors.size()]; |
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
|
848 for (int i = 0; i < nonDefaultSuccessors.size(); ++i) { |
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
|
849 targets[i] = getLIRBlock(nonDefaultSuccessors.get(i)); |
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 } |
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
|
851 lir.tableswitch(tag, x.lowKey(), getLIRBlock(x.defaultSuccessor()), targets); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
852 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
853 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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changeset
|
854 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
855 |
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|
856 @Override |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
857 public void visitThrow(Throw x) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
858 setNoResult(x); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
859 CiValue exceptionOpr = load(x.exception()); |
2639
8e96b2b3a866
Added stateBefore to Throw instruction.
Thomas Wuerthinger <thomas@wuerthinger.net>
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2637
diff
changeset
|
860 LIRDebugInfo info = stateFor(x, x.stateBefore()); |
2507
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|
861 |
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changeset
|
862 // move exception oop into fixed register |
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parents:
diff
changeset
|
863 CiCallingConvention callingConvention = compilation.frameMap().getCallingConvention(new CiKind[]{CiKind.Object}, RuntimeCall); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
864 CiValue argumentOperand = callingConvention.locations[0]; |
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parents:
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|
865 lir.move(exceptionOpr, argumentOperand); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
866 |
2660
9f557e940180
Removed exception optimization that immediately unwinds if it is guaranteed that there is no local exception handler.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2658
diff
changeset
|
867 lir.throwException(CiValue.IllegalValue, argumentOperand, info); |
2507
9ec15d6914ca
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|
868 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
869 |
2671
d8601d421b96
New Deoptimize node, remove ResolveClass node and replace it with deoptimization
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2670
diff
changeset
|
870 @Override |
d8601d421b96
New Deoptimize node, remove ResolveClass node and replace it with deoptimization
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2670
diff
changeset
|
871 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
|
872 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>
parents:
2670
diff
changeset
|
873 addDeoptimizationStub(stub); |
d8601d421b96
New Deoptimize node, remove ResolveClass node and replace it with deoptimization
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2670
diff
changeset
|
874 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>
parents:
2670
diff
changeset
|
875 } |
d8601d421b96
New Deoptimize node, remove ResolveClass node and replace it with deoptimization
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2670
diff
changeset
|
876 |
2718
c1ce2a53d6c3
Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2716
diff
changeset
|
877 private void blockDoEpilog() { |
2507
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
878 if (C1XOptions.PrintIRWithLIR) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
879 TTY.println(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
880 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
881 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
882 // clear out variables for local constants |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
883 constants.clear(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
884 variablesForConstants.clear(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
885 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
886 |
2718
c1ce2a53d6c3
Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2716
diff
changeset
|
887 private void blockDoProlog(LIRBlock block) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
888 if (C1XOptions.PrintIRWithLIR) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
889 TTY.print(block.toString()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
890 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
891 // set up the list of LIR instructions |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
892 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
|
893 lir = new LIRList(this); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
894 block.setLir(lir); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
895 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
896 lir.branchDestination(block.label()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
897 if (block == ir.startBlock) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
898 XirSnippet prologue = xir.genPrologue(null, compilation.method); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
899 if (prologue != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
900 emitXir(prologue, null, null, null, false); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
901 } |
2718
c1ce2a53d6c3
Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2716
diff
changeset
|
902 setOperandsForLocals(ir.getHIRStartBlock().end().stateAfter()); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
903 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
904 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
905 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
906 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
907 * 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
|
908 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
909 * @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
|
910 * @param kind the kind of new operand |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
911 * @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
|
912 * @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
|
913 * initially defined a by move from {@code value} |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
914 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
915 CiValue forceToSpill(CiValue value, CiKind kind, boolean mustStayOnStack) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
916 assert value.isLegal() : "value should not be illegal"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
917 assert kind.jvmSlots == value.kind.jvmSlots : "size mismatch"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
918 if (!value.isVariableOrRegister()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
919 // 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
|
920 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
|
921 lir.move(value, operand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
922 return operand; |
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 // create a spill location |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
926 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
|
927 // move from register to spill |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
928 lir.move(value, operand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
929 return operand; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
930 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
931 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
932 private CiVariable loadConstant(Constant x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
933 return loadConstant(x.asConstant(), x.kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
934 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
935 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
936 protected CiVariable loadConstant(CiConstant c, CiKind kind) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
937 // 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
|
938 int index = constants.indexOf(c); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
939 if (index != -1) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
940 C1XMetrics.LoadConstantIterations += index; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
941 return variablesForConstants.get(index); |
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 C1XMetrics.LoadConstantIterations += constants.size(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
944 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
945 CiVariable result = newVariable(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
946 lir.move(c, result); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
947 constants.add(c); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
948 variablesForConstants.add(result); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
949 return result; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
950 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
951 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
952 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
953 * Allocates a variable operand to hold the result of a given instruction. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
954 * This can only be performed once for any given instruction. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
955 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
956 * @param x an instruction that produces a result |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
957 * @return the variable assigned to hold the result produced by {@code x} |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
958 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
959 protected CiVariable createResultVariable(Value x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
960 CiVariable operand = newVariable(x.kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
961 setResult(x, operand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
962 return operand; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
963 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
964 |
2519
f6125fb5bfbc
Removed intrinsics.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2515
diff
changeset
|
965 @Override |
f6125fb5bfbc
Removed intrinsics.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2515
diff
changeset
|
966 public void visitRegisterFinalizer(RegisterFinalizer x) { |
2628
569228710be8
More FrameState work
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2623
diff
changeset
|
967 CiValue receiver = load(x.object()); |
2669
405e7947a940
Fixed RegisterFinalizer stateBefore.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2661
diff
changeset
|
968 LIRDebugInfo info = stateFor(x, x.stateBefore()); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
969 callRuntime(CiRuntimeCall.RegisterFinalizer, info, receiver); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
970 setNoResult(x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
971 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
972 |
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
|
973 private void visitSwitchRanges(SwitchRange[] x, CiValue value, LIRBlock defaultSux) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
974 for (int i = 0; i < x.length; i++) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
975 SwitchRange oneRange = x[i]; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
976 int lowKey = oneRange.lowKey; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
977 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
changeset
|
978 LIRBlock dest = oneRange.sux; |
2507
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
979 if (lowKey == highKey) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
980 lir.cmp(Condition.EQ, value, lowKey); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
981 lir.branch(Condition.EQ, CiKind.Int, dest); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
982 } else if (highKey - lowKey == 1) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
983 lir.cmp(Condition.EQ, value, lowKey); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
984 lir.branch(Condition.EQ, CiKind.Int, dest); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
985 lir.cmp(Condition.EQ, value, highKey); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
986 lir.branch(Condition.EQ, CiKind.Int, dest); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
987 } else { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
988 Label l = new Label(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
989 lir.cmp(Condition.LT, value, lowKey); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
990 lir.branch(Condition.LT, l); |
9ec15d6914ca
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parents:
diff
changeset
|
991 lir.cmp(Condition.LE, value, highKey); |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
992 lir.branch(Condition.LE, CiKind.Int, dest); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
993 lir.branchDestination(l); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
994 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
995 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
996 lir.jump(defaultSux); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
997 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
998 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
999 protected void arithmeticOpFpu(int code, CiValue result, CiValue left, CiValue right, CiValue tmp) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1000 CiValue leftOp = left; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
1001 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1002 if (isTwoOperand && leftOp != result) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1003 assert right != result : "malformed"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
1004 lir.move(leftOp, result); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1005 leftOp = result; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1006 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1007 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1008 switch (code) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1009 case DADD: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1010 case FADD: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1011 lir.add(leftOp, right, result); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1012 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1013 case FMUL: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1014 case DMUL: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1015 lir.mul(leftOp, right, result); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1016 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1017 case DSUB: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1018 case FSUB: |
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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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|
1019 lir.sub(leftOp, right, result); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1020 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1021 case FDIV: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1022 case DDIV: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1023 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
|
1024 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1025 default: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1026 Util.shouldNotReachHere(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1027 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1028 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1029 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1030 protected void arithmeticOpInt(int code, CiValue result, CiValue left, CiValue right, CiValue tmp) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1031 CiValue leftOp = left; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1032 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1033 if (isTwoOperand && leftOp != result) { |
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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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|
1034 assert right != result : "malformed"; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1035 lir.move(leftOp, result); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1036 leftOp = result; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1037 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1038 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1039 switch (code) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1040 case IADD: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1041 lir.add(leftOp, right, result); |
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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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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1043 case IMUL: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1044 boolean didStrengthReduce = false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1045 if (right.isConstant()) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1046 CiConstant rightConstant = (CiConstant) right; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1047 int c = rightConstant.asInt(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1048 if (CiUtil.isPowerOf2(c)) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1049 // do not need tmp here |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1050 lir.shiftLeft(leftOp, CiUtil.log2(c), result); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1051 didStrengthReduce = true; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1052 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1053 didStrengthReduce = strengthReduceMultiply(leftOp, c, result, tmp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1054 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1055 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1056 // we couldn't strength reduce so just emit the multiply |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1057 if (!didStrengthReduce) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1058 lir.mul(leftOp, right, result); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1059 } |
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 ISUB: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1062 lir.sub(leftOp, right, result); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1063 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1064 default: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1065 // idiv and irem are handled elsewhere |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1066 Util.shouldNotReachHere(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1067 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1068 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1069 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1070 protected void arithmeticOpLong(int code, CiValue result, CiValue left, CiValue right, LIRDebugInfo info) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1071 CiValue leftOp = left; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1072 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1073 if (isTwoOperand && leftOp != result) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1074 assert right != result : "malformed"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1075 lir.move(leftOp, result); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1076 leftOp = result; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1077 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1078 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1079 switch (code) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1080 case LADD: |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1081 lir.add(leftOp, right, result); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1082 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1083 case LMUL: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1084 lir.mul(leftOp, right, result); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1085 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1086 case LSUB: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1087 lir.sub(leftOp, right, result); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1088 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1089 default: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1090 // ldiv and lrem are handled elsewhere |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1091 Util.shouldNotReachHere(); |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1092 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1093 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1094 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1095 protected final CiValue callRuntime(CiRuntimeCall runtimeCall, LIRDebugInfo info, CiValue... args) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1096 // get a result register |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1097 CiKind result = runtimeCall.resultKind; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1098 CiKind[] arguments = runtimeCall.arguments; |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1099 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1100 CiValue physReg = result.isVoid() ? IllegalValue : resultOperandFor(result); |
9ec15d6914ca
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parents:
diff
changeset
|
1101 |
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|
1102 List<CiValue> argumentList; |
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1103 if (arguments.length > 0) { |
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1104 // move the arguments into the correct location |
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|
1105 CiCallingConvention cc = compilation.frameMap().getCallingConvention(arguments, RuntimeCall); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1106 assert cc.locations.length == args.length : "argument count mismatch"; |
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Pull over of compiler from maxine repository.
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1107 for (int i = 0; i < args.length; i++) { |
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1108 CiValue arg = args[i]; |
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1109 CiValue loc = cc.locations[i]; |
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1110 if (loc.isRegister()) { |
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1111 lir.move(arg, loc); |
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|
1112 } else { |
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|
1113 assert loc.isStackSlot(); |
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|
1114 CiStackSlot slot = (CiStackSlot) loc; |
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Pull over of compiler from maxine repository.
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|
1115 if (slot.kind == CiKind.Long || slot.kind == CiKind.Double) { |
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|
1116 lir.unalignedMove(arg, slot); |
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1117 } else { |
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1118 lir.move(arg, slot); |
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|
1119 } |
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|
1120 } |
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|
1121 } |
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1122 argumentList = Arrays.asList(cc.locations); |
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1123 } else { |
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1124 // no arguments |
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1125 assert args == null || args.length == 0; |
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1126 argumentList = Util.uncheckedCast(Collections.emptyList()); |
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|
1127 } |
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|
1128 |
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|
1129 lir.callRuntime(runtimeCall, physReg, argumentList, info); |
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|
1130 |
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1131 return physReg; |
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1132 } |
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|
1133 |
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1134 protected final CiVariable callRuntimeWithResult(CiRuntimeCall runtimeCall, LIRDebugInfo info, CiValue... args) { |
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1135 CiVariable result = newVariable(runtimeCall.resultKind); |
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1136 CiValue location = callRuntime(runtimeCall, info, args); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1137 lir.move(location, result); |
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|
1138 return result; |
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|
1139 } |
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|
1140 |
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|
1141 SwitchRange[] createLookupRanges(LookupSwitch x) { |
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1142 // we expect the keys to be sorted by increasing value |
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|
1143 List<SwitchRange> res = new ArrayList<SwitchRange>(x.numberOfCases()); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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1144 int len = x.numberOfCases(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1145 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
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|
1146 LIRBlock defaultSux = getLIRBlock(x.defaultSuccessor()); |
2507
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1147 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
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|
1148 LIRBlock sux = getLIRBlock(x.blockSuccessor(0)); |
2507
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1149 SwitchRange range = new SwitchRange(key, sux); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1150 for (int i = 1; i < len; i++) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1151 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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|
1152 LIRBlock newSux = getLIRBlock(x.blockSuccessor(i)); |
2507
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Pull over of compiler from maxine repository.
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1153 if (key + 1 == newKey && sux == newSux) { |
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diff
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|
1154 // still in same range |
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diff
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|
1155 range.highKey = newKey; |
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parents:
diff
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|
1156 } else { |
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|
1157 // skip tests which explicitly dispatch to the default |
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|
1158 if (range.sux != defaultSux) { |
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|
1159 res.add(range); |
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|
1160 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
1161 range = new SwitchRange(newKey, newSux); |
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|
1162 } |
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Pull over of compiler from maxine repository.
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|
1163 key = newKey; |
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|
1164 sux = newSux; |
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|
1165 } |
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Pull over of compiler from maxine repository.
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|
1166 if (res.size() == 0 || res.get(res.size() - 1) != range) { |
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parents:
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|
1167 res.add(range); |
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diff
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|
1168 } |
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|
1169 } |
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|
1170 return res.toArray(new SwitchRange[res.size()]); |
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|
1171 } |
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diff
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|
1172 |
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diff
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|
1173 SwitchRange[] createLookupRanges(TableSwitch x) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
1174 // XXX: try to merge this with the code for LookupSwitch |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1175 List<SwitchRange> res = new ArrayList<SwitchRange>(x.numberOfCases()); |
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Pull over of compiler from maxine repository.
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diff
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|
1176 int len = x.numberOfCases(); |
9ec15d6914ca
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diff
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|
1177 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
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|
1178 LIRBlock sux = getLIRBlock(x.blockSuccessor(0)); |
2507
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|
1179 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>
parents:
2718
diff
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|
1180 LIRBlock defaultSux = getLIRBlock(x.defaultSuccessor()); |
2507
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|
1181 SwitchRange range = new SwitchRange(key, sux); |
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Pull over of compiler from maxine repository.
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diff
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|
1182 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
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|
1183 LIRBlock newSux = getLIRBlock(x.blockSuccessor(i)); |
2507
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|
1184 if (sux == newSux) { |
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Pull over of compiler from maxine repository.
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|
1185 // still in same range |
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parents:
diff
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|
1186 range.highKey = key; |
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diff
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|
1187 } else { |
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diff
changeset
|
1188 // skip tests which explicitly dispatch to the default |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1189 if (sux != defaultSux) { |
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Pull over of compiler from maxine repository.
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parents:
diff
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|
1190 res.add(range); |
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|
1191 } |
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1192 range = new SwitchRange(key, newSux); |
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|
1193 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1194 sux = newSux; |
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|
1195 } |
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diff
changeset
|
1196 if (res.size() == 0 || res.get(res.size() - 1) != range) { |
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|
1197 res.add(range); |
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diff
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|
1198 } |
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diff
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|
1199 } |
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1200 return res.toArray(new SwitchRange[res.size()]); |
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diff
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|
1201 } |
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|
1202 |
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diff
changeset
|
1203 void doRoot(Instruction instr) { |
2623
b129b7da1397
Some fixes around LIRGenerator / frame state. New option C1X:TraceLIRGeneratorLevel
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2622
diff
changeset
|
1204 if (C1XOptions.TraceLIRGeneratorLevel >= 2) { |
b129b7da1397
Some fixes around LIRGenerator / frame state. New option C1X:TraceLIRGeneratorLevel
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2622
diff
changeset
|
1205 TTY.println("Emitting LIR for instruction " + instr.toString()); |
b129b7da1397
Some fixes around LIRGenerator / frame state. New option C1X:TraceLIRGeneratorLevel
Thomas Wuerthinger <thomas@wuerthinger.net>
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2622
diff
changeset
|
1206 } |
2507
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changeset
|
1207 currentInstruction = instr; |
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Pull over of compiler from maxine repository.
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diff
changeset
|
1208 assert !instr.hasSubst() : "shouldn't have missed substitution"; |
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diff
changeset
|
1209 |
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changeset
|
1210 if (C1XOptions.TraceLIRVisit) { |
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changeset
|
1211 TTY.println("Visiting " + instr); |
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diff
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|
1212 } |
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diff
changeset
|
1213 instr.accept(this); |
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changeset
|
1214 if (C1XOptions.TraceLIRVisit) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1215 TTY.println("Operand for " + instr + " = " + instr.operand()); |
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|
1216 } |
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|
1217 } |
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|
1218 |
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|
1219 protected void logicOp(int code, CiValue resultOp, CiValue leftOp, CiValue rightOp) { |
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parents:
diff
changeset
|
1220 if (isTwoOperand && leftOp != resultOp) { |
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diff
changeset
|
1221 assert rightOp != resultOp : "malformed"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1222 lir.move(leftOp, resultOp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1223 leftOp = resultOp; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1224 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1225 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1226 switch (code) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1227 case IAND: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1228 case LAND: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1229 lir.logicalAnd(leftOp, rightOp, resultOp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1230 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1231 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1232 case IOR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1233 case LOR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1234 lir.logicalOr(leftOp, rightOp, resultOp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1235 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1236 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1237 case IXOR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1238 case LXOR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1239 lir.logicalXor(leftOp, rightOp, resultOp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1240 break; |
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 default: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1243 Util.shouldNotReachHere(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1244 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1245 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1246 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1247 void moveToPhi(PhiResolver resolver, Value curVal, Value suxVal) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1248 // move current value to referenced phi function |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1249 if (suxVal instanceof Phi) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1250 Phi phi = (Phi) suxVal; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1251 // 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
|
1252 if (!phi.isDeadPhi() && curVal != null && curVal != phi) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1253 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
|
1254 if (curVal instanceof Phi) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1255 operandForPhi((Phi) curVal); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1256 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1257 CiValue operand = curVal.operand(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1258 if (operand.isIllegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1259 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
|
1260 operand = operandForInstruction(curVal); |
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 resolver.move(operand, operandForPhi(phi)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1263 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1264 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1265 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1266 |
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
|
1267 protected void moveToPhi() { |
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
|
1268 assert lastState != null; |
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
|
1269 this.moveToPhi(lastState); |
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
|
1270 } |
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
|
1271 |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1272 protected void moveToPhi(FrameState curState) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1273 // 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
|
1274 LIRBlock bb = currentBlock; |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1275 if (bb.numberOfSux() == 1) { |
2718
c1ce2a53d6c3
Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2716
diff
changeset
|
1276 LIRBlock sux = bb.suxAt(0); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1277 assert sux.numberOfPreds() > 0 : "invalid CFG"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1278 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1279 // 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
|
1280 if (sux.numberOfPreds() > 1) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1281 PhiResolver resolver = new PhiResolver(this); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1282 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1283 FrameState suxState = sux.stateBefore(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1284 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1285 for (int index = 0; index < suxState.stackSize(); index++) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1286 moveToPhi(resolver, curState.stackAt(index), suxState.stackAt(index)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1287 } |
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 for (int index = 0; index < suxState.localsSize(); index++) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1290 moveToPhi(resolver, curState.localAt(index), suxState.localAt(index)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1291 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1292 resolver.dispose(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1293 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1294 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1295 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1296 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1297 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1298 * Creates a new {@linkplain CiVariable variable}. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1299 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1300 * @param kind the kind of the variable |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1301 * @return a new variable |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1302 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1303 public CiVariable newVariable(CiKind kind) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1304 return operands.newVariable(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1305 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1306 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1307 CiValue operandForInstruction(Value x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1308 CiValue operand = x.operand(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1309 if (operand.isIllegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1310 if (x instanceof Constant) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1311 x.setOperand(x.asConstant()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1312 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1313 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
|
1314 // allocate a variable for this local or phi |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1315 createResultVariable(x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1316 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1317 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1318 return x.operand(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1319 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1320 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1321 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
|
1322 assert !phi.isDeadPhi(); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1323 if (phi.operand().isIllegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1324 // allocate a variable for this phi |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1325 CiVariable operand = newVariable(phi.kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1326 setResult(phi, operand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1327 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1328 return phi.operand(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1329 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1330 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1331 protected void postGCWriteBarrier(CiValue addr, CiValue newVal) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1332 XirSnippet writeBarrier = xir.genWriteBarrier(toXirArgument(addr)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1333 if (writeBarrier != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1334 emitXir(writeBarrier, null, null, null, false); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1335 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1336 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1337 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1338 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
|
1339 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1340 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1341 protected void setNoResult(Instruction x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1342 x.clearOperand(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1343 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1344 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1345 protected CiValue setResult(Value x, CiVariable operand) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1346 x.setOperand(operand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1347 if (C1XOptions.DetailedAsserts) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1348 operands.recordResult(operand, x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1349 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1350 return operand; |
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 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
|
1354 if (isTwoOperand && value != resultOp) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1355 assert count != resultOp : "malformed"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1356 lir.move(value, resultOp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1357 value = resultOp; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1358 } |
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 assert count.isConstant() || count.isVariableOrRegister(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1361 switch (code) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1362 case ISHL: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1363 case LSHL: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1364 lir.shiftLeft(value, count, resultOp, tmp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1365 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1366 case ISHR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1367 case LSHR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1368 lir.shiftRight(value, count, resultOp, tmp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1369 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1370 case IUSHR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1371 case LUSHR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1372 lir.unsignedShiftRight(value, count, resultOp, tmp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1373 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1374 default: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1375 Util.shouldNotReachHere(); |
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 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1379 protected void walkState(Instruction x, FrameState state) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1380 if (state == null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1381 return; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1382 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1383 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
|
1384 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
|
1385 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
|
1386 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
|
1387 } |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1388 } |
2716
c1a9bf38da28
Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2715
diff
changeset
|
1389 for (int index = 0; index < state.localsSize(); index++) { |
c1a9bf38da28
Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2715
diff
changeset
|
1390 final Value value = state.localAt(index); |
2564
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1391 if (value != null) { |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1392 if (!value.isIllegal()) { |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1393 walkStateValue(value); |
2507
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 } |
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 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1399 private void walkStateValue(Value value) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1400 if (value != null) { |
2635
0f69be73d5ce
More frame state fixes.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2634
diff
changeset
|
1401 assert !value.hasSubst() : "missed substitution on " + value.toString(); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1402 if (value instanceof Phi && !value.isIllegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1403 // phi's are special |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1404 operandForPhi((Phi) value); |
2515
4fdef1464592
Removed extended bytecodes and related HIR instructions.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2509
diff
changeset
|
1405 } else if (value.operand().isIllegal()) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1406 // instruction doesn't have an operand yet |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1407 CiValue operand = makeOperand(value); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1408 assert operand.isLegal() : "must be evaluated now"; |
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 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1411 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1412 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1413 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
|
1414 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
|
1415 return stateFor(x, lastState); |
2507
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 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1418 protected LIRDebugInfo stateFor(Instruction x, FrameState state) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1419 if (compilation.placeholderState != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1420 state = compilation.placeholderState; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1421 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1422 |
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
|
1423 assert state != null; |
2718
c1ce2a53d6c3
Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2716
diff
changeset
|
1424 LIRBlock exceptionEdge = null; |
c1ce2a53d6c3
Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2716
diff
changeset
|
1425 if (x instanceof ExceptionEdgeInstruction) { |
c1ce2a53d6c3
Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2716
diff
changeset
|
1426 BlockBegin begin = ((ExceptionEdgeInstruction) x).exceptionEdge(); |
c1ce2a53d6c3
Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2716
diff
changeset
|
1427 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
|
1428 exceptionEdge = getLIRBlock(begin); |
2718
c1ce2a53d6c3
Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2716
diff
changeset
|
1429 } |
c1ce2a53d6c3
Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2716
diff
changeset
|
1430 } |
c1ce2a53d6c3
Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2716
diff
changeset
|
1431 return new LIRDebugInfo(state, exceptionEdge); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1432 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1433 |
2596
1c36b17f7ee0
new node layout: AccessMonitor, Invoke
Lukas Stadler <lukas.stadler@jku.at>
parents:
2581
diff
changeset
|
1434 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
|
1435 // 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
|
1436 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
|
1437 int j = 0; |
2596
1c36b17f7ee0
new node layout: AccessMonitor, Invoke
Lukas Stadler <lukas.stadler@jku.at>
parents:
2581
diff
changeset
|
1438 for (int i = 0; i < x.argumentCount(); i++) { |
1c36b17f7ee0
new node layout: AccessMonitor, Invoke
Lukas Stadler <lukas.stadler@jku.at>
parents:
2581
diff
changeset
|
1439 Value arg = x.argument(i); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1440 if (arg != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1441 CiValue operand = cc.locations[j++]; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1442 if (operand.isRegister()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1443 force(arg, operand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1444 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1445 LIRItem param = new LIRItem(arg, this); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1446 assert operand.isStackSlot(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1447 CiStackSlot slot = (CiStackSlot) operand; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1448 assert !slot.inCallerFrame(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1449 param.loadForStore(slot.kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1450 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
|
1451 lir.unalignedMove(param.result(), slot); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1452 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1453 lir.move(param.result(), slot); |
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 if (arg.kind == CiKind.Object && pointerSlots != null) { |
2596
1c36b17f7ee0
new node layout: AccessMonitor, Invoke
Lukas Stadler <lukas.stadler@jku.at>
parents:
2581
diff
changeset
|
1457 // 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
|
1458 pointerSlots.add(slot); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1459 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1460 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1461 argList.add(operand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1462 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1463 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1464 return argList; |
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 * 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
|
1469 * for storing the result of an instruction. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1470 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1471 * @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
|
1472 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1473 protected CiValue makeOperand(Value instruction) { |
2537
4a016ff4d2df
Clean up on LIRGenerator and related.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2532
diff
changeset
|
1474 if (instruction == null) { |
4a016ff4d2df
Clean up on LIRGenerator and related.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2532
diff
changeset
|
1475 return CiValue.IllegalValue; |
4a016ff4d2df
Clean up on LIRGenerator and related.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2532
diff
changeset
|
1476 } |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1477 CiValue operand = instruction.operand(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1478 if (operand.isIllegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1479 if (instruction instanceof Phi) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1480 // 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
|
1481 operand = operandForPhi((Phi) instruction); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1482 } else if (instruction instanceof Constant) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1483 operand = operandForInstruction(instruction); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1484 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1485 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1486 // 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
|
1487 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
|
1488 return operand; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1489 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1490 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1491 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1492 * 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
|
1493 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1494 * @param kind the kind of value being returned |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1495 * @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
|
1496 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1497 protected CiValue resultOperandFor(CiKind kind) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1498 if (kind == CiKind.Void) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1499 return IllegalValue; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1500 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1501 CiRegister returnRegister = compilation.registerConfig.getReturnRegister(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1502 return returnRegister.asValue(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1503 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1504 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1505 protected XirSupport site(Value x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1506 return xirSupport.site(x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1507 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1508 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1509 public void maybePrintCurrentInstruction() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1510 if (currentInstruction != null && lastInstructionPrinted != currentInstruction) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1511 lastInstructionPrinted = currentInstruction; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1512 InstructionPrinter ip = new InstructionPrinter(TTY.out()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1513 ip.printInstructionListing(currentInstruction); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1514 } |
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 protected abstract boolean canInlineAsConstant(Value i); |
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 protected abstract boolean canStoreAsConstant(Value i, CiKind kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1520 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1521 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
|
1522 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1523 protected abstract CiAddress genAddress(CiValue base, CiValue index, int shift, int disp, CiKind kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1524 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1525 protected abstract void genCmpMemInt(Condition condition, CiValue base, int disp, int c, LIRDebugInfo info); |
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 protected abstract void genCmpRegMem(Condition condition, CiValue reg, CiValue base, int disp, CiKind kind, LIRDebugInfo info); |
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 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1530 * Implements site-specific information for the XIR interface. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1531 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1532 static class XirSupport implements XirSite { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1533 Value current; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1534 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1535 XirSupport() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1536 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1537 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1538 public CiCodePos getCodePos() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1539 // TODO: get the code position of the current instruction if possible |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1540 return null; |
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 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1543 public boolean isNonNull(XirArgument argument) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1544 if (argument.constant == null && argument.object instanceof LIRItem) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1545 // check the flag on the original value |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1546 return ((LIRItem) argument.object).instruction.isNonNull(); |
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 return false; |
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 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1551 public boolean requiresNullCheck() { |
2661
194d93d089bd
Towards clean up of canTrap().
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2660
diff
changeset
|
1552 return current == null || true; |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1553 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1554 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1555 public boolean requiresBoundsCheck() { |
2541
0f9eeb15e636
More Value.Flag clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2540
diff
changeset
|
1556 return true; |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1557 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1558 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1559 public boolean requiresReadBarrier() { |
2545
bb050fe2901d
Fixed regression wrt write barriers.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2543
diff
changeset
|
1560 return current == null || true; |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1561 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1562 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1563 public boolean requiresWriteBarrier() { |
2545
bb050fe2901d
Fixed regression wrt write barriers.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2543
diff
changeset
|
1564 return current == null || true; |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1565 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1566 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1567 public boolean requiresArrayStoreCheck() { |
2541
0f9eeb15e636
More Value.Flag clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2540
diff
changeset
|
1568 return true; |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1569 } |
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 public RiType getApproximateType(XirArgument argument) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1572 return current == null ? null : current.declaredType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1573 } |
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 public RiType getExactType(XirArgument argument) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1576 return current == null ? null : current.exactType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1577 } |
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:
diff
changeset
|
1579 XirSupport site(Value v) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1580 current = v; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1581 return this; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1582 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1583 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1584 @Override |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1585 public String toString() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1586 return "XirSupport<" + current + ">"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1587 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1588 |
2633 | 1589 |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1590 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1591 |
2630
c93adece95d2
Small clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2623
diff
changeset
|
1592 @Override |
c93adece95d2
Small clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2623
diff
changeset
|
1593 public void visitFrameState(FrameState i) { |
c93adece95d2
Small clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2623
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1594 // nothing to do for now |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
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1595 } |
2707
7ed72769d51a
exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents:
2677
diff
changeset
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1596 |
7ed72769d51a
exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents:
2677
diff
changeset
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1597 @Override |
7ed72769d51a
exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents:
2677
diff
changeset
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1598 public void visitUnwind(Unwind x) { |
7ed72769d51a
exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents:
2677
diff
changeset
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1599 // TODO ls: this needs some thorough testing... |
7ed72769d51a
exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents:
2677
diff
changeset
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1600 CiValue operand = resultOperandFor(x.kind); |
7ed72769d51a
exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents:
2677
diff
changeset
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1601 CiValue result = force(x.exception(), operand); |
7ed72769d51a
exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents:
2677
diff
changeset
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1602 ArrayList<CiValue> args = new ArrayList<CiValue>(1); |
7ed72769d51a
exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents:
2677
diff
changeset
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1603 args.add(result); |
7ed72769d51a
exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents:
2677
diff
changeset
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1604 lir.callRuntime(CiRuntimeCall.UnwindException, CiValue.IllegalValue, args, null); |
7ed72769d51a
exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents:
2677
diff
changeset
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1605 setNoResult(x); |
7ed72769d51a
exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents:
2677
diff
changeset
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1606 } |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1607 } |