Mercurial > hg > graal-compiler
annotate graal/GraalCompiler/src/com/sun/c1x/gen/LIRGenerator.java @ 2632:776e026f2e15
Small cleanup.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Tue, 10 May 2011 17:17:28 +0200 |
parents | c93adece95d2 |
children | 721a45190d6d |
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.lang.reflect.*; |
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31 import java.util.*; |
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32 |
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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.VariableFlag; |
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36 import com.sun.c1x.asm.*; |
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37 import com.sun.c1x.debug.*; |
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38 import com.sun.c1x.globalstub.*; |
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39 import com.sun.c1x.graph.*; |
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40 import com.sun.c1x.ir.*; |
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41 import com.sun.c1x.lir.*; |
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42 import com.sun.c1x.opt.*; |
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43 import com.sun.c1x.util.*; |
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44 import com.sun.c1x.value.*; |
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45 import com.sun.c1x.value.FrameState.PhiProcedure; |
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46 import com.sun.cri.bytecode.*; |
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47 import com.sun.cri.bytecode.Bytecodes.MemoryBarriers; |
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48 import com.sun.cri.ci.*; |
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49 import com.sun.cri.ri.*; |
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50 import com.sun.cri.xir.CiXirAssembler.XirConstant; |
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51 import com.sun.cri.xir.CiXirAssembler.XirInstruction; |
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52 import com.sun.cri.xir.CiXirAssembler.XirOperand; |
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53 import com.sun.cri.xir.CiXirAssembler.XirParameter; |
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54 import com.sun.cri.xir.CiXirAssembler.XirRegister; |
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55 import com.sun.cri.xir.CiXirAssembler.XirTemp; |
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56 import com.sun.cri.xir.*; |
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57 |
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58 /** |
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59 * This class traverses the HIR instructions and generates LIR instructions from them. |
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60 * |
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61 * @author Thomas Wuerthinger |
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62 * @author Ben L. Titzer |
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63 * @author Marcelo Cintra |
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64 * @author Doug Simon |
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65 */ |
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66 public abstract class LIRGenerator extends ValueVisitor { |
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67 |
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68 /** |
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69 * Helper class for inserting memory barriers as necessary to implement the Java Memory Model |
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70 * with respect to volatile field accesses. |
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71 * |
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72 * @see MemoryBarriers |
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73 */ |
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74 class VolatileMemoryAccess { |
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75 /** |
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76 * Inserts any necessary memory barriers before a volatile write as required by the JMM. |
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77 */ |
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78 void preVolatileWrite() { |
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79 int barriers = compilation.target.arch.requiredBarriers(JMM_PRE_VOLATILE_WRITE); |
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80 if (compilation.target.isMP && barriers != 0) { |
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81 lir.membar(barriers); |
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82 } |
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83 } |
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84 |
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85 /** |
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86 * Inserts any necessary memory barriers after a volatile write as required by the JMM. |
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87 */ |
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88 void postVolatileWrite() { |
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89 int barriers = compilation.target.arch.requiredBarriers(JMM_POST_VOLATILE_WRITE); |
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90 if (compilation.target.isMP && barriers != 0) { |
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91 lir.membar(barriers); |
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92 } |
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93 } |
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94 |
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95 /** |
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96 * Inserts any necessary memory barriers before a volatile read as required by the JMM. |
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97 */ |
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98 void preVolatileRead() { |
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99 int barriers = compilation.target.arch.requiredBarriers(JMM_PRE_VOLATILE_READ); |
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100 if (compilation.target.isMP && barriers != 0) { |
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101 lir.membar(barriers); |
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102 } |
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103 } |
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104 |
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105 /** |
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106 * Inserts any necessary memory barriers after a volatile read as required by the JMM. |
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107 */ |
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108 void postVolatileRead() { |
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109 // Ensure field's data is loaded before any subsequent loads or stores. |
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110 int barriers = compilation.target.arch.requiredBarriers(LOAD_LOAD | LOAD_STORE); |
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111 if (compilation.target.isMP && barriers != 0) { |
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112 lir.membar(barriers); |
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113 } |
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114 } |
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115 } |
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116 |
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117 /** |
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118 * Forces the result of a given instruction to be available in a given register, |
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119 * inserting move instructions if necessary. |
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120 * |
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121 * @param instruction an instruction that produces a {@linkplain Value#operand() result} |
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122 * @param register the {@linkplain CiRegister} in which the result of {@code instruction} must be available |
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123 * @return {@code register} as an operand |
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124 */ |
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125 protected CiValue force(Value instruction, CiRegister register) { |
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126 return force(instruction, register.asValue(instruction.kind)); |
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127 } |
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128 |
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129 /** |
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130 * Forces the result of a given instruction to be available in a given operand, |
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131 * inserting move instructions if necessary. |
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132 * |
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133 * @param instruction an instruction that produces a {@linkplain Value#operand() result} |
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134 * @param operand the operand in which the result of {@code instruction} must be available |
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135 * @return {@code operand} |
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136 */ |
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137 protected CiValue force(Value instruction, CiValue operand) { |
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138 CiValue result = makeOperand(instruction); |
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139 if (result != operand) { |
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140 assert result.kind != CiKind.Illegal; |
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141 if (!compilation.archKindsEqual(result.kind, operand.kind)) { |
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142 // moves between different types need an intervening spill slot |
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143 CiValue tmp = forceToSpill(result, operand.kind, false); |
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144 lir.move(tmp, operand); |
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145 } else { |
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146 lir.move(result, operand); |
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147 } |
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148 } |
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149 return operand; |
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150 } |
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151 |
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152 protected CiValue load(Value val) { |
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153 CiValue result = makeOperand(val); |
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154 if (!result.isVariableOrRegister()) { |
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155 CiVariable operand = newVariable(val.kind); |
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156 lir.move(result, operand); |
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157 return operand; |
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158 } |
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159 return result; |
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160 } |
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161 |
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162 // the range of values in a lookupswitch or tableswitch statement |
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163 private static final class SwitchRange { |
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164 final int lowKey; |
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165 int highKey; |
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166 final BlockBegin sux; |
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167 |
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168 SwitchRange(int lowKey, BlockBegin sux) { |
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169 this.lowKey = lowKey; |
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170 this.highKey = lowKey; |
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171 this.sux = sux; |
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172 } |
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173 } |
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174 |
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175 protected final C1XCompilation compilation; |
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176 protected final IR ir; |
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177 protected final XirSupport xirSupport; |
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178 protected final RiXirGenerator xir; |
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179 protected final boolean isTwoOperand; |
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180 |
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181 private BlockBegin currentBlock; |
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182 |
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183 public final OperandPool operands; |
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184 |
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185 private Value currentInstruction; |
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186 private Value lastInstructionPrinted; // Debugging only |
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187 |
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188 private List<CiConstant> constants; |
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189 private List<CiVariable> variablesForConstants; |
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190 protected LIRList lir; |
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191 final VolatileMemoryAccess vma; |
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192 private ArrayList<DeoptimizationStub> deoptimizationStubs; |
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193 private FrameState lastState; |
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194 |
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195 public LIRGenerator(C1XCompilation compilation) { |
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196 this.compilation = compilation; |
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197 this.ir = compilation.hir(); |
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198 this.xir = compilation.compiler.xir; |
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199 this.xirSupport = new XirSupport(); |
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200 this.isTwoOperand = compilation.target.arch.twoOperandMode(); |
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201 this.vma = new VolatileMemoryAccess(); |
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202 |
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203 constants = new ArrayList<CiConstant>(); |
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204 variablesForConstants = new ArrayList<CiVariable>(); |
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205 |
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206 this.operands = new OperandPool(compilation.target); |
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207 |
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208 new PhiSimplifier(ir); |
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209 } |
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210 |
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211 public ArrayList<DeoptimizationStub> deoptimizationStubs() { |
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212 return deoptimizationStubs; |
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213 } |
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214 |
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215 public static class DeoptimizationStub { |
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216 public final Label label = new Label(); |
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217 public final LIRDebugInfo info; |
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218 |
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219 public DeoptimizationStub(FrameState state) { |
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220 info = new LIRDebugInfo(state, null); |
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221 } |
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222 } |
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223 |
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224 public void doBlock(BlockBegin block) { |
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225 blockDoProlog(block); |
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226 this.currentBlock = block; |
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227 |
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228 if (C1XOptions.TraceLIRGeneratorLevel >= 1) { |
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229 TTY.println("BEGIN Generating LIR for block B" + block.blockID); |
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230 } |
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231 |
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232 for (Instruction instr = block; instr != null; instr = instr.next()) { |
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233 FrameState stateAfter = instr.stateAfter(); |
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234 if (!(instr instanceof BlockBegin)) { |
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235 walkState(instr, stateAfter); |
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236 doRoot(instr); |
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237 } |
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238 if (stateAfter != null) { |
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239 lastState = stateAfter; |
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240 if (C1XOptions.TraceLIRGeneratorLevel >= 2) { |
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241 TTY.println("STATE CHANGE"); |
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242 if (C1XOptions.TraceLIRGeneratorLevel >= 3) { |
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243 TTY.println(stateAfter.toString()); |
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244 } |
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245 } |
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246 } |
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247 } |
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248 |
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249 if (C1XOptions.TraceLIRGeneratorLevel >= 1) { |
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250 TTY.println("END Generating LIR for block B" + block.blockID); |
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251 } |
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252 |
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253 this.currentBlock = null; |
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254 blockDoEpilog(block); |
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255 } |
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256 |
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257 @Override |
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258 public void visitArrayLength(ArrayLength x) { |
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259 emitArrayLength(x); |
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260 } |
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261 |
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262 public CiValue emitArrayLength(ArrayLength x) { |
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263 XirArgument array = toXirArgument(x.array()); |
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264 XirSnippet snippet = xir.genArrayLength(site(x), array); |
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265 emitXir(snippet, x, stateFor(x), null, true); |
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266 return x.operand(); |
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267 } |
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268 |
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269 @Override |
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270 public void visitBase(Base x) { |
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271 // all blocks with a successor must end with an unconditional jump |
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272 // to the successor even if they are consecutive |
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273 lir.jump(x.defaultSuccessor()); |
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274 } |
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275 |
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276 private void setOperandsForLocals(FrameState state) { |
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277 CiCallingConvention args = compilation.frameMap().incomingArguments(); |
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278 int javaIndex = 0; |
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279 for (int i = 0; i < args.locations.length; i++) { |
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280 CiValue src = args.locations[i]; |
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281 assert src.isLegal() : "check"; |
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282 |
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283 CiVariable dest = newVariable(src.kind.stackKind()); |
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284 lir.move(src, dest, src.kind); |
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285 |
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286 // Assign new location to Local instruction for this local |
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287 Value instr = state.localAt(javaIndex); |
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288 Local local = ((Local) instr); |
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289 CiKind kind = src.kind.stackKind(); |
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290 assert kind == local.kind.stackKind() : "local type check failed"; |
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291 setResult(local, dest); |
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292 javaIndex += kind.jvmSlots; |
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293 } |
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294 } |
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295 |
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296 @Override |
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297 public void visitResolveClass(ResolveClass i) { |
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298 LIRDebugInfo info = stateFor(i); |
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299 XirSnippet snippet = xir.genResolveClass(site(i), i.type, i.portion); |
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300 emitXir(snippet, i, info, null, true); |
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301 } |
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302 |
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303 @Override |
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304 public void visitCheckCast(CheckCast x) { |
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305 XirArgument obj = toXirArgument(x.object()); |
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306 XirSnippet snippet = xir.genCheckCast(site(x), obj, toXirArgument(x.targetClassInstruction()), x.targetClass()); |
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307 emitXir(snippet, x, stateFor(x), null, true); |
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308 } |
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309 |
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310 @Override |
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311 public void visitInstanceOf(InstanceOf x) { |
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312 XirArgument obj = toXirArgument(x.object()); |
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313 XirSnippet snippet = xir.genInstanceOf(site(x), obj, toXirArgument(x.targetClassInstruction()), x.targetClass()); |
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314 emitXir(snippet, x, maybeStateFor(x), null, true); |
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315 } |
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316 |
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317 @Override |
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318 public void visitMonitorEnter(MonitorEnter 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.genMonitorEnter(site(x), obj, lockAddress); |
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322 emitXir(snippet, x, maybeStateFor(x), stateFor(x, x.stateAfter()), null, true, null); |
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323 } |
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324 |
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325 @Override |
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326 public void visitMonitorExit(MonitorExit x) { |
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327 XirArgument obj = toXirArgument(x.object()); |
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328 XirArgument lockAddress = toXirArgument(x.lockAddress()); |
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329 XirSnippet snippet = xir.genMonitorExit(site(x), obj, lockAddress); |
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330 emitXir(snippet, x, maybeStateFor(x), null, true); |
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331 } |
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332 |
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333 @Override |
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334 public void visitStoreIndexed(StoreIndexed x) { |
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335 XirArgument array = toXirArgument(x.array()); |
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336 XirArgument length = x.length() == null ? null : toXirArgument(x.length()); |
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337 XirArgument index = toXirArgument(x.index()); |
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338 XirArgument value = toXirArgument(x.value()); |
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339 XirSnippet snippet = xir.genArrayStore(site(x), array, index, length, value, x.elementKind(), null); |
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340 emitXir(snippet, x, maybeStateFor(x), null, true); |
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341 } |
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342 |
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343 @Override |
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344 public void visitNewInstance(NewInstance x) { |
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345 XirSnippet snippet = xir.genNewInstance(site(x), x.instanceClass()); |
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346 emitXir(snippet, x, stateFor(x), null, true); |
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347 } |
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348 |
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349 @Override |
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350 public void visitNewTypeArray(NewTypeArray x) { |
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351 XirArgument length = toXirArgument(x.length()); |
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352 XirSnippet snippet = xir.genNewArray(site(x), length, x.elementKind(), null, null); |
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353 emitXir(snippet, x, stateFor(x), null, true); |
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354 } |
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355 |
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356 @Override |
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357 public void visitNewObjectArray(NewObjectArray x) { |
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358 XirArgument length = toXirArgument(x.length()); |
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359 XirSnippet snippet = xir.genNewArray(site(x), length, CiKind.Object, x.elementClass(), x.exactType()); |
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360 emitXir(snippet, x, stateFor(x), null, true); |
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361 } |
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362 |
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363 @Override |
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364 public void visitNewMultiArray(NewMultiArray x) { |
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365 XirArgument[] dims = new XirArgument[x.dimensionCount()]; |
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366 |
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367 for (int i = 0; i < dims.length; i++) { |
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368 dims[i] = toXirArgument(x.dimension(i)); |
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369 } |
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370 |
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371 XirSnippet snippet = xir.genNewMultiArray(site(x), dims, x.elementKind); |
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372 emitXir(snippet, x, stateFor(x), null, true); |
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373 } |
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374 |
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375 @Override |
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376 public void visitConstant(Constant x) { |
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377 if (!canInlineAsConstant(x)) { |
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378 CiValue res = x.operand(); |
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379 if (!(res.isLegal())) { |
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380 res = x.asConstant(); |
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381 } |
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382 if (res.isConstant()) { |
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383 CiVariable reg = createResultVariable(x); |
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384 lir.move(res, reg); |
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385 } else { |
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386 setResult(x, (CiVariable) res); |
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387 } |
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388 } |
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389 } |
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390 |
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391 @Override |
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392 public void visitExceptionObject(ExceptionObject x) { |
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393 assert currentBlock.isExceptionEntry() : "ExceptionObject only allowed in exception handler block"; |
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394 assert currentBlock.next() == x : "ExceptionObject must be first instruction of block"; |
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395 |
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396 // no moves are created for phi functions at the begin of exception |
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397 // handlers, so assign operands manually here |
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398 currentBlock.stateBefore().forEachLivePhi(currentBlock, new PhiProcedure() { |
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399 public boolean doPhi(Phi phi) { |
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400 operandForPhi(phi); |
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401 return true; |
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402 } |
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403 }); |
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404 |
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405 XirSnippet snippet = xir.genExceptionObject(site(x)); |
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406 emitXir(snippet, x, maybeStateFor(x), null, true); |
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407 } |
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408 |
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409 @Override |
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410 public void visitGoto(Goto x) { |
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411 setNoResult(x); |
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412 |
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413 // emit phi-instruction moves after safepoint since this simplifies |
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414 // describing the state at the safepoint. |
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415 moveToPhi(x.stateAfter()); |
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416 |
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417 lir.jump(x.defaultSuccessor()); |
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418 } |
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419 |
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420 @Override |
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421 public void visitIfOp(IfOp i) { |
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422 Value x = i.x(); |
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423 Value y = i.y(); |
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424 CiKind xtype = x.kind; |
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425 CiKind ttype = i.trueValue().kind; |
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426 assert xtype.isInt() || xtype.isObject() : "cannot handle others"; |
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427 assert ttype.isInt() || ttype.isObject() || ttype.isLong() || ttype.isWord() : "cannot handle others"; |
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428 assert ttype.equals(i.falseValue().kind) : "cannot handle others"; |
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429 |
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430 CiValue left = load(x); |
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431 CiValue right = null; |
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432 if (!canInlineAsConstant(y)) { |
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433 right = load(y); |
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434 } else { |
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435 right = makeOperand(y); |
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436 } |
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437 |
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438 CiValue tVal = makeOperand(i.trueValue()); |
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439 CiValue fVal = makeOperand(i.falseValue()); |
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440 CiValue reg = createResultVariable(i); |
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441 |
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442 lir.cmp(i.condition(), left, right); |
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443 lir.cmove(i.condition(), tVal, fVal, reg); |
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444 } |
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445 |
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446 /*protected FrameState stateBeforeInvoke(Invoke invoke) { |
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447 FrameState stateAfter = invoke.stateAfter(); |
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448 FrameStateBuilder builder = new FrameStateBuilder(compilation.method, invoke.graph()); |
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449 System.out.println("stateBeforeInvoke(" + invoke + "); maxStack=" + compilation.method.maxStackSize()); |
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450 System.out.println("stateAfter=" + stateAfter); |
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451 builder.initializeFrom(stateAfter); |
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452 if (invoke.kind != CiKind.Void) { |
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453 Value pop = builder.pop(invoke.kind); |
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454 System.out.println("pop " + pop); |
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455 } |
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456 int argumentCount = invoke.argumentCount(); // invoke.arguments() iterable? |
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457 for (int i = 0; i < argumentCount; i++) { |
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458 Value arg = invoke.argument(i); |
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459 System.out.println("push " + arg); |
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460 builder.push(arg.kind, arg); |
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461 } |
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462 return builder.create(invoke.bci()); |
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463 }*/ |
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464 |
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465 @Override |
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466 public void visitInvoke(Invoke x) { |
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467 RiMethod target = x.target(); |
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468 LIRDebugInfo info = stateFor(x); |
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469 |
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470 XirSnippet snippet = null; |
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471 |
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472 int opcode = x.opcode(); |
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473 XirArgument receiver; |
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474 switch (opcode) { |
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475 case INVOKESTATIC: |
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476 snippet = xir.genInvokeStatic(site(x), target); |
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477 break; |
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478 case INVOKESPECIAL: |
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479 receiver = toXirArgument(x.receiver()); |
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480 snippet = xir.genInvokeSpecial(site(x), receiver, target); |
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481 break; |
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482 case INVOKEVIRTUAL: |
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483 receiver = toXirArgument(x.receiver()); |
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484 snippet = xir.genInvokeVirtual(site(x), receiver, target); |
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485 break; |
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486 case INVOKEINTERFACE: |
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487 receiver = toXirArgument(x.receiver()); |
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488 snippet = xir.genInvokeInterface(site(x), receiver, target); |
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489 break; |
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490 } |
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491 |
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492 CiValue destinationAddress = null; |
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493 // emitting the template earlier can ease pressure on register allocation, but the argument loading can destroy an |
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494 // implicit calling convention between the XirSnippet and the call. |
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495 if (!C1XOptions.InvokeSnippetAfterArguments) { |
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496 destinationAddress = emitXir(snippet, x, info.copy(), x.target(), false); |
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497 } |
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498 |
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499 CiValue resultOperand = resultOperandFor(x.kind); |
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500 CiCallingConvention cc = compilation.frameMap().getCallingConvention(x.signature(), JavaCall); |
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501 List<CiValue> pointerSlots = new ArrayList<CiValue>(2); |
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502 List<CiValue> argList = visitInvokeArguments(cc, x, pointerSlots); |
2507
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503 |
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504 if (C1XOptions.InvokeSnippetAfterArguments) { |
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505 destinationAddress = emitXir(snippet, x, info.copy(), null, x.target(), false, pointerSlots); |
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506 } |
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507 |
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508 // emit direct or indirect call to the destination address |
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509 if (destinationAddress instanceof CiConstant) { |
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510 // Direct call |
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511 assert ((CiConstant) destinationAddress).isDefaultValue() : "destination address should be zero"; |
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512 lir.callDirect(target, resultOperand, argList, info, snippet.marks, pointerSlots); |
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513 } else { |
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514 // Indirect call |
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515 argList.add(destinationAddress); |
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516 lir.callIndirect(target, resultOperand, argList, info, snippet.marks, pointerSlots); |
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517 } |
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518 |
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519 if (resultOperand.isLegal()) { |
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520 CiValue result = createResultVariable(x); |
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521 lir.move(resultOperand, result); |
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522 } |
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523 } |
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524 |
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525 @Override |
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526 public void visitMonitorAddress(MonitorAddress x) { |
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527 CiValue result = createResultVariable(x); |
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528 lir.monitorAddress(x.monitor(), result); |
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529 } |
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530 |
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531 /** |
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532 * For note on volatile fields, see {@link #visitStoreField(StoreField)}. |
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533 */ |
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534 @Override |
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535 public void visitLoadField(LoadField x) { |
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536 RiField field = x.field(); |
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537 LIRDebugInfo info = stateFor(x); |
2507
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538 XirArgument receiver = toXirArgument(x.object()); |
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539 XirSnippet snippet = x.isStatic() ? xir.genGetStatic(site(x), receiver, field) : xir.genGetField(site(x), receiver, field); |
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540 emitXir(snippet, x, info, null, true); |
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541 |
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542 if (x.isVolatile()) { |
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543 vma.postVolatileRead(); |
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544 } |
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545 } |
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546 |
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547 @Override |
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548 public void visitLoadIndexed(LoadIndexed x) { |
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549 XirArgument array = toXirArgument(x.array()); |
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550 XirArgument index = toXirArgument(x.index()); |
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551 XirArgument length = toXirArgument(x.length()); |
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552 XirSnippet snippet = xir.genArrayLoad(site(x), array, index, length, x.elementKind(), null); |
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553 emitXir(snippet, x, maybeStateFor(x), null, true); |
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554 } |
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555 |
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556 protected GlobalStub stubFor(CiRuntimeCall runtimeCall) { |
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557 GlobalStub stub = compilation.compiler.lookupGlobalStub(runtimeCall); |
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558 compilation.frameMap().usesGlobalStub(stub); |
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559 return stub; |
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560 } |
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561 |
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562 protected GlobalStub stubFor(GlobalStub.Id globalStub) { |
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563 GlobalStub stub = compilation.compiler.lookupGlobalStub(globalStub); |
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564 compilation.frameMap().usesGlobalStub(stub); |
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565 return stub; |
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566 } |
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567 |
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568 protected GlobalStub stubFor(XirTemplate template) { |
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569 GlobalStub stub = compilation.compiler.lookupGlobalStub(template); |
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570 compilation.frameMap().usesGlobalStub(stub); |
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571 return stub; |
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|
572 } |
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573 |
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574 @Override |
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575 public void visitLocal(Local x) { |
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576 if (x.operand().isIllegal()) { |
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577 createResultVariable(x); |
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578 } |
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579 } |
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580 |
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581 @Override |
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582 public void visitLookupSwitch(LookupSwitch x) { |
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583 CiValue tag = load(x.value()); |
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584 setNoResult(x); |
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changeset
|
585 |
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|
586 if (x.isSafepoint()) { |
2622
91d3952f7eb7
Framestate work : using stateAFter and reducting the number of nodes with framestates. Intermediate state (does not pass tests)
Gilles Duboscq <gilles.duboscq@oracle.com>
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2602
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|
587 emitXir(xir.genSafepoint(site(x)), x, stateFor(x), null, false); |
2507
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|
588 } |
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|
589 |
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|
590 // move values into phi locations |
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diff
changeset
|
591 moveToPhi(x.stateAfter()); |
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diff
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|
592 |
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593 if (x.numberOfCases() == 0 || x.numberOfCases() < C1XOptions.SequentialSwitchLimit) { |
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|
594 int len = x.numberOfCases(); |
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595 for (int i = 0; i < len; i++) { |
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596 lir.cmp(Condition.EQ, tag, x.keyAt(i)); |
2602
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2600
diff
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|
597 lir.branch(Condition.EQ, CiKind.Int, x.blockSuccessor(i)); |
2507
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|
598 } |
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|
599 lir.jump(x.defaultSuccessor()); |
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diff
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600 } else { |
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diff
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|
601 visitSwitchRanges(createLookupRanges(x), tag, x.defaultSuccessor()); |
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parents:
diff
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|
602 } |
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diff
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|
603 } |
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parents:
diff
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|
604 |
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diff
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|
605 @Override |
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parents:
diff
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606 public void visitNullCheck(NullCheck x) { |
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|
607 // TODO: this is suboptimal because it may result in an unnecessary move |
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608 CiValue value = load(x.object()); |
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609 if (x.canTrap()) { |
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610 LIRDebugInfo info = stateFor(x); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
611 lir.nullCheck(value, info); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
612 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
613 x.setOperand(value); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
614 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
615 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
616 @Override |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
617 public void visitPhi(Phi i) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
618 Util.shouldNotReachHere(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
619 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
620 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
621 @Override |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
622 public void visitReturn(Return x) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
623 if (x.kind.isVoid()) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
624 XirSnippet epilogue = xir.genEpilogue(site(x), compilation.method); |
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parents:
diff
changeset
|
625 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
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|
626 emitXir(epilogue, x, stateFor(x), compilation.method, false); |
2507
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627 lir.returnOp(IllegalValue); |
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|
628 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
629 } else { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
630 CiValue operand = resultOperandFor(x.kind); |
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parents:
diff
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631 CiValue result = force(x.result(), operand); |
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parents:
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changeset
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632 XirSnippet epilogue = xir.genEpilogue(site(x), compilation.method); |
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parents:
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633 if (epilogue != null) { |
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634 emitXir(epilogue, x, stateFor(x, x.stateAfter()), compilation.method, false); |
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635 lir.returnOp(result); |
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636 } |
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diff
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|
637 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
638 setNoResult(x); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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639 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
640 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
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641 protected XirArgument toXirArgument(CiValue v) { |
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642 if (v == null) { |
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643 return null; |
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diff
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644 } |
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diff
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|
645 |
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646 return XirArgument.forInternalObject(v); |
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|
647 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
648 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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649 protected XirArgument toXirArgument(Value i) { |
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650 if (i == null) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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651 return null; |
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diff
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|
652 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
653 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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654 return XirArgument.forInternalObject(new LIRItem(i, this)); |
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diff
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|
655 } |
9ec15d6914ca
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diff
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|
656 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
657 private CiValue allocateOperand(XirSnippet snippet, XirOperand op) { |
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parents:
diff
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658 if (op instanceof XirParameter) { |
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|
659 XirParameter param = (XirParameter) op; |
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diff
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660 return allocateOperand(snippet.arguments[param.parameterIndex], op, param.canBeConstant); |
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661 } else if (op instanceof XirRegister) { |
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|
662 XirRegister reg = (XirRegister) op; |
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663 return reg.register; |
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diff
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664 } else if (op instanceof XirTemp) { |
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diff
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|
665 return newVariable(op.kind); |
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diff
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|
666 } else { |
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diff
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|
667 Util.shouldNotReachHere(); |
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diff
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|
668 return null; |
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diff
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|
669 } |
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parents:
diff
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|
670 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
671 |
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parents:
diff
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|
672 private CiValue allocateOperand(XirArgument arg, XirOperand var, boolean canBeConstant) { |
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diff
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673 if (arg.constant != null) { |
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diff
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674 return arg.constant; |
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diff
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|
675 } else { |
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diff
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|
676 assert arg.object != null; |
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677 if (arg.object instanceof CiValue) { |
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678 return (CiValue) arg.object; |
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679 } |
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|
680 assert arg.object instanceof LIRItem; |
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681 LIRItem item = (LIRItem) arg.object; |
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|
682 if (canBeConstant) { |
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diff
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|
683 return item.instruction.operand(); |
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diff
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|
684 } else { |
2537
4a016ff4d2df
Clean up on LIRGenerator and related.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2532
diff
changeset
|
685 CiKind kind = var.kind; |
4a016ff4d2df
Clean up on LIRGenerator and related.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2532
diff
changeset
|
686 if (kind == CiKind.Byte || kind == CiKind.Boolean) { |
4a016ff4d2df
Clean up on LIRGenerator and related.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2532
diff
changeset
|
687 item.loadByteItem(); |
4a016ff4d2df
Clean up on LIRGenerator and related.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2532
diff
changeset
|
688 } else { |
4a016ff4d2df
Clean up on LIRGenerator and related.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2532
diff
changeset
|
689 item.loadItem(); |
4a016ff4d2df
Clean up on LIRGenerator and related.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2532
diff
changeset
|
690 } |
2507
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parents:
diff
changeset
|
691 return item.result(); |
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parents:
diff
changeset
|
692 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
693 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
694 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
695 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
696 protected CiValue emitXir(XirSnippet snippet, Instruction x, LIRDebugInfo info, RiMethod method, boolean setInstructionResult) { |
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parents:
diff
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|
697 return emitXir(snippet, x, info, null, method, setInstructionResult, null); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
698 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
699 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
700 protected CiValue emitXir(XirSnippet snippet, Instruction instruction, LIRDebugInfo info, LIRDebugInfo infoAfter, RiMethod method, boolean setInstructionResult, List<CiValue> pointerSlots) { |
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parents:
diff
changeset
|
701 if (C1XOptions.PrintXirTemplates) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
702 TTY.println("Emit XIR template " + snippet.template.name); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
703 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
704 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
705 final CiValue[] operands = new CiValue[snippet.template.variableCount]; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
706 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
707 compilation.frameMap().reserveOutgoing(snippet.template.outgoingStackSize); |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
708 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
709 XirOperand resultOperand = snippet.template.resultOperand; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
710 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
711 if (snippet.template.allocateResultOperand) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
712 CiValue outputOperand = IllegalValue; |
9ec15d6914ca
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parents:
diff
changeset
|
713 // This snippet has a result that must be separately allocated |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
714 // Otherwise it is assumed that the result is part of the inputs |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
715 if (resultOperand.kind != CiKind.Void && resultOperand.kind != CiKind.Illegal) { |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
716 if (setInstructionResult) { |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
717 outputOperand = newVariable(instruction.kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
718 } else { |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
719 outputOperand = newVariable(resultOperand.kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
720 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
721 assert operands[resultOperand.index] == null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
722 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
723 operands[resultOperand.index] = outputOperand; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
724 if (C1XOptions.PrintXirTemplates) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
725 TTY.println("Output operand: " + outputOperand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
726 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
727 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
728 |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
729 for (XirTemp t : snippet.template.temps) { |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
730 if (t instanceof XirRegister) { |
9ec15d6914ca
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parents:
diff
changeset
|
731 XirRegister reg = (XirRegister) t; |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
732 if (!t.reserve) { |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
733 operands[t.index] = reg.register; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
734 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
735 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
736 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
737 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
738 for (XirTemplate calleeTemplate : snippet.template.calleeTemplates) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
739 // TODO Save these for use in X86LIRAssembler |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
740 stubFor(calleeTemplate); |
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 for (XirConstant c : snippet.template.constants) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
744 assert operands[c.index] == null; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
745 operands[c.index] = c.value; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
746 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
747 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
748 XirOperand[] inputOperands = snippet.template.inputOperands; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
749 XirOperand[] inputTempOperands = snippet.template.inputTempOperands; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
750 XirOperand[] tempOperands = snippet.template.tempOperands; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
751 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
752 CiValue[] operandArray = new CiValue[inputOperands.length + inputTempOperands.length + tempOperands.length]; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
753 int[] operandIndicesArray = new int[inputOperands.length + inputTempOperands.length + tempOperands.length]; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
754 for (int i = 0; i < inputOperands.length; i++) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
755 XirOperand x = inputOperands[i]; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
756 CiValue op = allocateOperand(snippet, x); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
757 operands[x.index] = op; |
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parents:
diff
changeset
|
758 operandArray[i] = op; |
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parents:
diff
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759 operandIndicesArray[i] = x.index; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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changeset
|
760 if (C1XOptions.PrintXirTemplates) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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761 TTY.println("Input operand: " + x); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
762 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
763 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
764 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
765 for (int i = 0; i < inputTempOperands.length; i++) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
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766 XirOperand x = inputTempOperands[i]; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
767 CiValue op = allocateOperand(snippet, x); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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768 CiValue newOp = newVariable(op.kind); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
769 lir.move(op, newOp); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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770 operands[x.index] = newOp; |
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771 operandArray[i + inputOperands.length] = newOp; |
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parents:
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changeset
|
772 operandIndicesArray[i + inputOperands.length] = x.index; |
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parents:
diff
changeset
|
773 if (C1XOptions.PrintXirTemplates) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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774 TTY.println("InputTemp operand: " + x); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
775 } |
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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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|
776 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
777 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
778 for (int i = 0; i < tempOperands.length; i++) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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779 XirOperand x = tempOperands[i]; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
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780 CiValue op = allocateOperand(snippet, x); |
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Pull over of compiler from maxine repository.
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parents:
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781 operands[x.index] = op; |
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782 operandArray[i + inputOperands.length + inputTempOperands.length] = op; |
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parents:
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783 operandIndicesArray[i + inputOperands.length + inputTempOperands.length] = x.index; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
784 if (C1XOptions.PrintXirTemplates) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
785 TTY.println("Temp operand: " + x); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
786 } |
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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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|
787 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
788 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
789 for (CiValue operand : operands) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
790 assert operand != null; |
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Pull over of compiler from maxine repository.
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parents:
diff
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|
791 } |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
792 |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
793 CiValue allocatedResultOperand = operands[resultOperand.index]; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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changeset
|
794 if (!allocatedResultOperand.isVariableOrRegister()) { |
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795 allocatedResultOperand = IllegalValue; |
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796 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
797 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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798 if (setInstructionResult && allocatedResultOperand.isLegal()) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
799 if (instruction.operand().isIllegal()) { |
9ec15d6914ca
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|
800 setResult(instruction, (CiVariable) allocatedResultOperand); |
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parents:
diff
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|
801 } else { |
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parents:
diff
changeset
|
802 assert instruction.operand() == allocatedResultOperand; |
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parents:
diff
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|
803 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
804 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
805 |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
806 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
807 XirInstruction[] slowPath = snippet.template.slowPath; |
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parents:
diff
changeset
|
808 if (!operands[resultOperand.index].isConstant() || snippet.template.fastPath.length != 0 || (slowPath != null && slowPath.length > 0)) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
809 // XIR instruction is only needed when the operand is not a constant! |
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parents:
diff
changeset
|
810 lir.xir(snippet, operands, allocatedResultOperand, inputTempOperands.length, tempOperands.length, |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
811 operandArray, operandIndicesArray, |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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changeset
|
812 (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
|
813 info, infoAfter, method, pointerSlots); |
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parents:
diff
changeset
|
814 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
815 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
816 return operands[resultOperand.index]; |
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parents:
diff
changeset
|
817 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
818 |
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parents:
diff
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|
819 @Override |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
820 public void visitStoreField(StoreField x) { |
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Pull over of compiler from maxine repository.
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diff
changeset
|
821 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
|
822 LIRDebugInfo info = stateFor(x); |
2507
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
823 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
824 if (x.isVolatile()) { |
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parents:
diff
changeset
|
825 vma.preVolatileWrite(); |
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parents:
diff
changeset
|
826 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
827 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
828 XirArgument receiver = toXirArgument(x.object()); |
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parents:
diff
changeset
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829 XirArgument value = toXirArgument(x.value()); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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830 XirSnippet snippet = x.isStatic() ? xir.genPutStatic(site(x), receiver, field, value) : xir.genPutField(site(x), receiver, field, value); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
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831 emitXir(snippet, x, info, null, true); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
832 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
833 if (x.isVolatile()) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
834 vma.postVolatileWrite(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
835 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
836 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
837 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
838 @Override |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
839 public void visitTableSwitch(TableSwitch x) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
840 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
841 LIRItem value = new LIRItem(x.value(), this); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
842 // Making a copy of the switch value is necessary when generating a jump table |
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parents:
diff
changeset
|
843 value.setDestroysRegister(); |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
844 value.loadItem(); |
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parents:
diff
changeset
|
845 |
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parents:
diff
changeset
|
846 CiValue tag = value.result(); |
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parents:
diff
changeset
|
847 setNoResult(x); |
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parents:
diff
changeset
|
848 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
849 if (x.isSafepoint()) { |
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
|
850 emitXir(xir.genSafepoint(site(x)), x, stateFor(x), null, false); |
2507
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parents:
diff
changeset
|
851 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
852 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
853 // move values into phi locations |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
854 moveToPhi(x.stateAfter()); |
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parents:
diff
changeset
|
855 |
9ec15d6914ca
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parents:
diff
changeset
|
856 // TODO: tune the defaults for the controls used to determine what kind of translation to use |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
857 if (x.numberOfCases() == 0 || x.numberOfCases() <= C1XOptions.SequentialSwitchLimit) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
858 int loKey = x.lowKey(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
859 int len = x.numberOfCases(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
860 for (int i = 0; i < len; i++) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
861 lir.cmp(Condition.EQ, tag, i + loKey); |
2602
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2600
diff
changeset
|
862 lir.branch(Condition.EQ, CiKind.Int, x.blockSuccessor(i)); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
863 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
864 lir.jump(x.defaultSuccessor()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
865 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
866 SwitchRange[] switchRanges = createLookupRanges(x); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
867 int rangeDensity = x.numberOfCases() / switchRanges.length; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
868 if (rangeDensity >= C1XOptions.RangeTestsSwitchDensity) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
869 visitSwitchRanges(switchRanges, tag, x.defaultSuccessor()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
870 } else { |
2581
4a36a0bd6d18
added GraalGraph to classpath, Node as superclass of Value
Lukas Stadler <lukas.stadler@jku.at>
parents:
2564
diff
changeset
|
871 List<BlockBegin> nonDefaultSuccessors = x.blockSuccessors().subList(0, x.numberOfCases()); |
2507
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
872 BlockBegin[] targets = nonDefaultSuccessors.toArray(new BlockBegin[nonDefaultSuccessors.size()]); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
873 lir.tableswitch(tag, x.lowKey(), x.defaultSuccessor(), targets); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
874 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
875 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
876 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
877 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
878 @Override |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
879 public void visitThrow(Throw x) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
880 setNoResult(x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
881 CiValue exceptionOpr = load(x.exception()); |
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
|
882 LIRDebugInfo info = stateFor(x); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
883 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
884 // check if the instruction has an xhandler in any of the nested scopes |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
885 boolean unwind = false; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
886 if (x.exceptionHandlers().size() == 0) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
887 // this throw is not inside an xhandler |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
888 unwind = true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
889 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
890 // get some idea of the throw type |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
891 boolean typeIsExact = true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
892 RiType throwType = x.exception().exactType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
893 if (throwType == null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
894 typeIsExact = false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
895 throwType = x.exception().declaredType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
896 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
897 if (throwType != null && throwType.isResolved() && throwType.isInstanceClass()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
898 unwind = !ExceptionHandler.couldCatch(x.exceptionHandlers(), throwType, typeIsExact); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
899 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
900 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
901 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
902 assert !currentBlock.checkBlockFlag(BlockBegin.BlockFlag.DefaultExceptionHandler) || unwind : "should be no more handlers to dispatch to"; |
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 // move exception oop into fixed register |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
905 CiCallingConvention callingConvention = compilation.frameMap().getCallingConvention(new CiKind[]{CiKind.Object}, RuntimeCall); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
906 CiValue argumentOperand = callingConvention.locations[0]; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
907 lir.move(exceptionOpr, argumentOperand); |
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 if (unwind) { |
2632
776e026f2e15
Small cleanup.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2630
diff
changeset
|
910 lir.unwindException(CiValue.IllegalValue, exceptionOpr, info); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
911 } else { |
2632
776e026f2e15
Small cleanup.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2630
diff
changeset
|
912 lir.throwException(CiValue.IllegalValue, argumentOperand, info); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
913 } |
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 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
916 private void blockDoEpilog(BlockBegin block) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
917 if (C1XOptions.PrintIRWithLIR) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
918 TTY.println(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
919 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
920 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
921 // clear out variables for local constants |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
922 constants.clear(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
923 variablesForConstants.clear(); |
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 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
926 private void blockDoProlog(BlockBegin block) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
927 if (C1XOptions.PrintIRWithLIR) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
928 TTY.print(block.toString()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
929 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
930 // set up the list of LIR instructions |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
931 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
|
932 lir = new LIRList(this); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
933 block.setLir(lir); |
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 lir.branchDestination(block.label()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
936 if (block == ir.startBlock) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
937 XirSnippet prologue = xir.genPrologue(null, compilation.method); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
938 if (prologue != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
939 emitXir(prologue, null, null, null, false); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
940 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
941 setOperandsForLocals(block.end().stateAfter()); |
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 } |
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 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
946 * 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
|
947 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
948 * @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
|
949 * @param kind the kind of new operand |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
950 * @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
|
951 * @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
|
952 * initially defined a by move from {@code value} |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
953 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
954 CiValue forceToSpill(CiValue value, CiKind kind, boolean mustStayOnStack) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
955 assert value.isLegal() : "value should not be illegal"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
956 assert kind.jvmSlots == value.kind.jvmSlots : "size mismatch"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
957 if (!value.isVariableOrRegister()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
958 // 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
|
959 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
|
960 lir.move(value, operand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
961 return operand; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
962 } |
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 // create a spill location |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
965 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
|
966 // move from register to spill |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
967 lir.move(value, operand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
968 return operand; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
969 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
970 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
971 private CiVariable loadConstant(Constant x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
972 return loadConstant(x.asConstant(), x.kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
973 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
974 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
975 protected CiVariable loadConstant(CiConstant c, CiKind kind) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
976 // 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
|
977 int index = constants.indexOf(c); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
978 if (index != -1) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
979 C1XMetrics.LoadConstantIterations += index; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
980 return variablesForConstants.get(index); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
981 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
982 C1XMetrics.LoadConstantIterations += constants.size(); |
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|
983 |
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984 CiVariable result = newVariable(kind); |
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985 lir.move(c, result); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
986 constants.add(c); |
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parents:
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987 variablesForConstants.add(result); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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988 return result; |
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parents:
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|
989 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
990 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
991 /** |
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parents:
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|
992 * Allocates a variable operand to hold the result of a given instruction. |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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993 * This can only be performed once for any given instruction. |
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|
994 * |
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|
995 * @param x an instruction that produces a result |
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Pull over of compiler from maxine repository.
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changeset
|
996 * @return the variable assigned to hold the result produced by {@code x} |
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|
997 */ |
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Pull over of compiler from maxine repository.
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|
998 protected CiVariable createResultVariable(Value x) { |
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parents:
diff
changeset
|
999 CiVariable operand = newVariable(x.kind); |
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parents:
diff
changeset
|
1000 setResult(x, operand); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1001 return operand; |
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|
1002 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1003 |
2519
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Removed intrinsics.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2515
diff
changeset
|
1004 @Override |
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Removed intrinsics.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2515
diff
changeset
|
1005 public void visitRegisterFinalizer(RegisterFinalizer 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
|
1006 Value object = x.object(); |
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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|
1007 CiValue receiver = load(object); |
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
|
1008 FrameStateBuilder builder = new FrameStateBuilder(compilation.method, x.graph()); |
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Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2602
diff
changeset
|
1009 builder.initializeFrom(x.stateAfter()); |
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
|
1010 builder.push(object.kind, object); |
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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
|
1011 LIRDebugInfo info = stateFor(x, builder.create(x.bci())); |
2507
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1012 callRuntime(CiRuntimeCall.RegisterFinalizer, info, receiver); |
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1013 setNoResult(x); |
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1014 } |
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|
1015 |
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1016 private void visitSwitchRanges(SwitchRange[] x, CiValue value, BlockBegin defaultSux) { |
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1017 for (int i = 0; i < x.length; i++) { |
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1018 SwitchRange oneRange = x[i]; |
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1019 int lowKey = oneRange.lowKey; |
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1020 int highKey = oneRange.highKey; |
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1021 BlockBegin dest = oneRange.sux; |
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Pull over of compiler from maxine repository.
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1022 if (lowKey == highKey) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1023 lir.cmp(Condition.EQ, value, lowKey); |
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|
1024 lir.branch(Condition.EQ, CiKind.Int, dest); |
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1025 } else if (highKey - lowKey == 1) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1026 lir.cmp(Condition.EQ, value, lowKey); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1027 lir.branch(Condition.EQ, CiKind.Int, dest); |
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Pull over of compiler from maxine repository.
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parents:
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|
1028 lir.cmp(Condition.EQ, value, highKey); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1029 lir.branch(Condition.EQ, CiKind.Int, dest); |
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parents:
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1030 } else { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1031 Label l = new Label(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1032 lir.cmp(Condition.LT, value, lowKey); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1033 lir.branch(Condition.LT, l); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1034 lir.cmp(Condition.LE, value, highKey); |
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Pull over of compiler from maxine repository.
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|
1035 lir.branch(Condition.LE, CiKind.Int, dest); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1036 lir.branchDestination(l); |
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parents:
diff
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|
1037 } |
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diff
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|
1038 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
1039 lir.jump(defaultSux); |
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diff
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|
1040 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1041 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1042 protected void arithmeticOpFpu(int code, CiValue result, CiValue left, CiValue right, CiValue tmp) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1043 CiValue leftOp = left; |
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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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|
1044 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
1045 if (isTwoOperand && leftOp != result) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1046 assert right != result : "malformed"; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1047 lir.move(leftOp, result); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1048 leftOp = result; |
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parents:
diff
changeset
|
1049 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1050 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
1051 switch (code) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1052 case DADD: |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1053 case FADD: |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1054 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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|
1055 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1056 case FMUL: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1057 case DMUL: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1058 lir.mul(leftOp, right, result); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1059 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1060 case DSUB: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1061 case FSUB: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1062 lir.sub(leftOp, right, result); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1063 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1064 case FDIV: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1065 case DDIV: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1066 lir.div(leftOp, right, result, null); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1067 break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1068 default: |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1069 Util.shouldNotReachHere(); |
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parents:
diff
changeset
|
1070 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1071 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1072 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1073 protected void arithmeticOpInt(int code, CiValue result, CiValue left, CiValue right, CiValue tmp) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1074 CiValue leftOp = left; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1075 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1076 if (isTwoOperand && leftOp != result) { |
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parents:
diff
changeset
|
1077 assert right != result : "malformed"; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
1078 lir.move(leftOp, result); |
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parents:
diff
changeset
|
1079 leftOp = result; |
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parents:
diff
changeset
|
1080 } |
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parents:
diff
changeset
|
1081 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1082 switch (code) { |
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parents:
diff
changeset
|
1083 case IADD: |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1084 lir.add(leftOp, right, result); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1085 break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1086 case IMUL: |
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parents:
diff
changeset
|
1087 boolean didStrengthReduce = false; |
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|
1088 if (right.isConstant()) { |
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diff
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|
1089 CiConstant rightConstant = (CiConstant) right; |
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parents:
diff
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|
1090 int c = rightConstant.asInt(); |
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parents:
diff
changeset
|
1091 if (CiUtil.isPowerOf2(c)) { |
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parents:
diff
changeset
|
1092 // do not need tmp here |
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parents:
diff
changeset
|
1093 lir.shiftLeft(leftOp, CiUtil.log2(c), result); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1094 didStrengthReduce = true; |
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parents:
diff
changeset
|
1095 } else { |
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parents:
diff
changeset
|
1096 didStrengthReduce = strengthReduceMultiply(leftOp, c, result, tmp); |
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parents:
diff
changeset
|
1097 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1098 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1099 // we couldn't strength reduce so just emit the multiply |
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diff
changeset
|
1100 if (!didStrengthReduce) { |
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diff
changeset
|
1101 lir.mul(leftOp, right, result); |
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parents:
diff
changeset
|
1102 } |
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parents:
diff
changeset
|
1103 break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1104 case ISUB: |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1105 lir.sub(leftOp, right, result); |
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|
1106 break; |
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|
1107 default: |
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|
1108 // idiv and irem are handled elsewhere |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1109 Util.shouldNotReachHere(); |
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|
1110 } |
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|
1111 } |
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|
1112 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1113 protected void arithmeticOpLong(int code, CiValue result, CiValue left, CiValue right, LIRDebugInfo info) { |
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1114 CiValue leftOp = left; |
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|
1115 |
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1116 if (isTwoOperand && leftOp != result) { |
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1117 assert right != result : "malformed"; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1118 lir.move(leftOp, result); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1119 leftOp = result; |
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|
1120 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1121 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1122 switch (code) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1123 case LADD: |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1124 lir.add(leftOp, right, result); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1125 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1126 case LMUL: |
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|
1127 lir.mul(leftOp, right, result); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
1128 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1129 case LSUB: |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1130 lir.sub(leftOp, right, result); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
1131 break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1132 default: |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1133 // ldiv and lrem are handled elsewhere |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1134 Util.shouldNotReachHere(); |
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1135 } |
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|
1136 } |
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|
1137 |
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1138 protected final CiValue callRuntime(CiRuntimeCall runtimeCall, LIRDebugInfo info, CiValue... args) { |
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|
1139 // get a result register |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1140 CiKind result = runtimeCall.resultKind; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1141 CiKind[] arguments = runtimeCall.arguments; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1142 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1143 CiValue physReg = result.isVoid() ? IllegalValue : resultOperandFor(result); |
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|
1144 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1145 List<CiValue> argumentList; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1146 if (arguments.length > 0) { |
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parents:
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|
1147 // move the arguments into the correct location |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1148 CiCallingConvention cc = compilation.frameMap().getCallingConvention(arguments, RuntimeCall); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1149 assert cc.locations.length == args.length : "argument count mismatch"; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1150 for (int i = 0; i < args.length; i++) { |
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|
1151 CiValue arg = args[i]; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1152 CiValue loc = cc.locations[i]; |
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|
1153 if (loc.isRegister()) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
1154 lir.move(arg, loc); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
1155 } else { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1156 assert loc.isStackSlot(); |
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|
1157 CiStackSlot slot = (CiStackSlot) loc; |
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diff
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|
1158 if (slot.kind == CiKind.Long || slot.kind == CiKind.Double) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1159 lir.unalignedMove(arg, slot); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1160 } else { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1161 lir.move(arg, slot); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1162 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1163 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1164 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1165 argumentList = Arrays.asList(cc.locations); |
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|
1166 } else { |
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|
1167 // no arguments |
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|
1168 assert args == null || args.length == 0; |
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Pull over of compiler from maxine repository.
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|
1169 argumentList = Util.uncheckedCast(Collections.emptyList()); |
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diff
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|
1170 } |
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|
1171 |
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diff
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|
1172 lir.callRuntime(runtimeCall, physReg, argumentList, info); |
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diff
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|
1173 |
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|
1174 return physReg; |
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|
1175 } |
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|
1176 |
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|
1177 protected final CiVariable callRuntimeWithResult(CiRuntimeCall runtimeCall, LIRDebugInfo info, CiValue... args) { |
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Pull over of compiler from maxine repository.
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|
1178 CiVariable result = newVariable(runtimeCall.resultKind); |
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|
1179 CiValue location = callRuntime(runtimeCall, info, args); |
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|
1180 lir.move(location, result); |
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|
1181 return result; |
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|
1182 } |
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Pull over of compiler from maxine repository.
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|
1183 |
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|
1184 SwitchRange[] createLookupRanges(LookupSwitch x) { |
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|
1185 // we expect the keys to be sorted by increasing value |
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changeset
|
1186 List<SwitchRange> res = new ArrayList<SwitchRange>(x.numberOfCases()); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1187 int len = x.numberOfCases(); |
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|
1188 if (len > 0) { |
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|
1189 BlockBegin defaultSux = x.defaultSuccessor(); |
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diff
changeset
|
1190 int key = x.keyAt(0); |
2602
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2600
diff
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|
1191 BlockBegin sux = x.blockSuccessor(0); |
2507
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|
1192 SwitchRange range = new SwitchRange(key, sux); |
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|
1193 for (int i = 1; i < len; i++) { |
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diff
changeset
|
1194 int newKey = x.keyAt(i); |
2602
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new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2600
diff
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|
1195 BlockBegin newSux = x.blockSuccessor(i); |
2507
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1196 if (key + 1 == newKey && sux == newSux) { |
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diff
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|
1197 // still in same range |
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diff
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|
1198 range.highKey = newKey; |
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|
1199 } else { |
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|
1200 // skip tests which explicitly dispatch to the default |
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|
1201 if (range.sux != defaultSux) { |
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parents:
diff
changeset
|
1202 res.add(range); |
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diff
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|
1203 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1204 range = new SwitchRange(newKey, newSux); |
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parents:
diff
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|
1205 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1206 key = newKey; |
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parents:
diff
changeset
|
1207 sux = newSux; |
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diff
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|
1208 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1209 if (res.size() == 0 || res.get(res.size() - 1) != range) { |
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|
1210 res.add(range); |
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changeset
|
1211 } |
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|
1212 } |
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|
1213 return res.toArray(new SwitchRange[res.size()]); |
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parents:
diff
changeset
|
1214 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
1215 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
1216 SwitchRange[] createLookupRanges(TableSwitch x) { |
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diff
changeset
|
1217 // XXX: try to merge this with the code for LookupSwitch |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1218 List<SwitchRange> res = new ArrayList<SwitchRange>(x.numberOfCases()); |
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diff
changeset
|
1219 int len = x.numberOfCases(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1220 if (len > 0) { |
2602
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2600
diff
changeset
|
1221 BlockBegin sux = x.blockSuccessor(0); |
2507
9ec15d6914ca
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parents:
diff
changeset
|
1222 int key = x.lowKey(); |
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changeset
|
1223 BlockBegin defaultSux = x.defaultSuccessor(); |
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diff
changeset
|
1224 SwitchRange range = new SwitchRange(key, sux); |
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parents:
diff
changeset
|
1225 for (int i = 0; i < len; i++, key++) { |
2602
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2600
diff
changeset
|
1226 BlockBegin newSux = x.blockSuccessor(i); |
2507
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parents:
diff
changeset
|
1227 if (sux == newSux) { |
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parents:
diff
changeset
|
1228 // still in same range |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1229 range.highKey = key; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1230 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1231 // skip tests which explicitly dispatch to the default |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1232 if (sux != defaultSux) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1233 res.add(range); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1234 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1235 range = new SwitchRange(key, newSux); |
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 sux = newSux; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1238 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1239 if (res.size() == 0 || res.get(res.size() - 1) != range) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1240 res.add(range); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1241 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1242 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1243 return res.toArray(new SwitchRange[res.size()]); |
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 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
|
1247 if (C1XOptions.TraceLIRGeneratorLevel >= 2) { |
b129b7da1397
Some fixes around LIRGenerator / frame state. New option C1X:TraceLIRGeneratorLevel
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2622
diff
changeset
|
1248 TTY.println("Emitting LIR for instruction " + instr.toString()); |
b129b7da1397
Some fixes around LIRGenerator / frame state. New option C1X:TraceLIRGeneratorLevel
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2622
diff
changeset
|
1249 } |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1250 currentInstruction = instr; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1251 assert !instr.hasSubst() : "shouldn't have missed substitution"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1252 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1253 if (C1XOptions.TraceLIRVisit) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1254 TTY.println("Visiting " + instr); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1255 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1256 instr.accept(this); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1257 if (C1XOptions.TraceLIRVisit) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1258 TTY.println("Operand for " + instr + " = " + instr.operand()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1259 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1260 } |
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 protected void logicOp(int code, CiValue resultOp, CiValue leftOp, CiValue rightOp) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1263 if (isTwoOperand && leftOp != resultOp) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1264 assert rightOp != resultOp : "malformed"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1265 lir.move(leftOp, resultOp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1266 leftOp = resultOp; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1267 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1268 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1269 switch (code) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1270 case IAND: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1271 case LAND: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1272 lir.logicalAnd(leftOp, rightOp, resultOp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1273 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1274 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1275 case IOR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1276 case LOR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1277 lir.logicalOr(leftOp, rightOp, resultOp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1278 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1279 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1280 case IXOR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1281 case LXOR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1282 lir.logicalXor(leftOp, rightOp, resultOp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1283 break; |
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 default: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1286 Util.shouldNotReachHere(); |
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 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1290 void moveToPhi(PhiResolver resolver, Value curVal, Value suxVal) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1291 // move current value to referenced phi function |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1292 if (suxVal instanceof Phi) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1293 Phi phi = (Phi) suxVal; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1294 // 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
|
1295 if (!phi.isDeadPhi() && curVal != null && curVal != phi) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1296 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
|
1297 if (curVal instanceof Phi) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1298 operandForPhi((Phi) curVal); |
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 CiValue operand = curVal.operand(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1301 if (operand.isIllegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1302 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
|
1303 operand = operandForInstruction(curVal); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1304 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1305 resolver.move(operand, operandForPhi(phi)); |
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 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1308 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1309 |
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
|
1310 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
|
1311 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
|
1312 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
|
1313 } |
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
|
1314 |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1315 protected void moveToPhi(FrameState curState) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1316 // Moves all stack values into their phi position |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1317 BlockBegin bb = currentBlock; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1318 if (bb.numberOfSux() == 1) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1319 BlockBegin sux = bb.suxAt(0); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1320 assert sux.numberOfPreds() > 0 : "invalid CFG"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1321 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1322 // 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
|
1323 if (sux.numberOfPreds() > 1) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1324 PhiResolver resolver = new PhiResolver(this); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1325 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1326 FrameState suxState = sux.stateBefore(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1327 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1328 for (int index = 0; index < suxState.stackSize(); index++) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1329 moveToPhi(resolver, curState.stackAt(index), suxState.stackAt(index)); |
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 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1332 for (int index = 0; index < suxState.localsSize(); index++) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1333 moveToPhi(resolver, curState.localAt(index), suxState.localAt(index)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1334 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1335 resolver.dispose(); |
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 } |
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 * Creates a new {@linkplain CiVariable variable}. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1342 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1343 * @param kind the kind of the variable |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1344 * @return a new variable |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1345 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1346 public CiVariable newVariable(CiKind kind) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1347 return operands.newVariable(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1348 } |
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 CiValue operandForInstruction(Value x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1351 CiValue operand = x.operand(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1352 if (operand.isIllegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1353 if (x instanceof Constant) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1354 x.setOperand(x.asConstant()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1355 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1356 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
|
1357 // allocate a variable for this local or phi |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1358 createResultVariable(x); |
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 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1361 return x.operand(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1362 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1363 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1364 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
|
1365 assert !phi.isDeadPhi(); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1366 if (phi.operand().isIllegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1367 // allocate a variable for this phi |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1368 CiVariable operand = newVariable(phi.kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1369 setResult(phi, operand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1370 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1371 return phi.operand(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1372 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1373 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1374 protected void postGCWriteBarrier(CiValue addr, CiValue newVal) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1375 XirSnippet writeBarrier = xir.genWriteBarrier(toXirArgument(addr)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1376 if (writeBarrier != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1377 emitXir(writeBarrier, null, null, null, false); |
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 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1380 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1381 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
|
1382 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1383 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1384 protected void setNoResult(Instruction x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1385 x.clearOperand(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1386 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1387 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1388 protected CiValue setResult(Value x, CiVariable operand) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1389 x.setOperand(operand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1390 if (C1XOptions.DetailedAsserts) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1391 operands.recordResult(operand, x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1392 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1393 return operand; |
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 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
|
1397 if (isTwoOperand && value != resultOp) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1398 assert count != resultOp : "malformed"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1399 lir.move(value, resultOp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1400 value = resultOp; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1401 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1402 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1403 assert count.isConstant() || count.isVariableOrRegister(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1404 switch (code) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1405 case ISHL: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1406 case LSHL: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1407 lir.shiftLeft(value, count, resultOp, tmp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1408 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1409 case ISHR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1410 case LSHR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1411 lir.shiftRight(value, count, resultOp, tmp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1412 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1413 case IUSHR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1414 case LUSHR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1415 lir.unsignedShiftRight(value, count, resultOp, tmp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1416 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1417 default: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1418 Util.shouldNotReachHere(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1419 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1420 } |
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 protected void walkState(Instruction x, FrameState state) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1423 if (state == null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1424 return; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1425 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1426 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
|
1427 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
|
1428 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
|
1429 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
|
1430 } |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1431 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1432 FrameState s = state; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1433 int bci = x.bci(); |
2564
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1434 if (bci == Instruction.SYNCHRONIZATION_ENTRY_BCI) { |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1435 assert x instanceof ExceptionObject || |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1436 x instanceof Throw || |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1437 x instanceof MonitorEnter || |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1438 x instanceof MonitorExit : x + ", " + x.getClass(); |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1439 } |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1440 |
2564
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1441 for (int index = 0; index < s.localsSize(); index++) { |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1442 final Value value = s.localAt(index); |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1443 if (value != null) { |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1444 if (!value.isIllegal()) { |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1445 walkStateValue(value); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1446 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1447 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1448 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1449 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1450 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1451 private void walkStateValue(Value value) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1452 if (value != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1453 assert !value.hasSubst() : "missed substitution"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1454 if (value instanceof Phi && !value.isIllegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1455 // phi's are special |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1456 operandForPhi((Phi) value); |
2515
4fdef1464592
Removed extended bytecodes and related HIR instructions.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2509
diff
changeset
|
1457 } else if (value.operand().isIllegal()) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1458 // instruction doesn't have an operand yet |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1459 CiValue operand = makeOperand(value); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1460 assert operand.isLegal() : "must be evaluated now"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1461 } |
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 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1465 protected LIRDebugInfo maybeStateFor(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
|
1466 if (lastState == null) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1467 return null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1468 } |
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
|
1469 return stateFor(x, lastState); |
2507
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 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1472 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
|
1473 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
|
1474 return stateFor(x, lastState); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1475 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1476 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1477 protected LIRDebugInfo stateFor(Instruction x, FrameState state) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1478 if (compilation.placeholderState != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1479 state = compilation.placeholderState; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1480 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1481 |
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
|
1482 assert state != null; |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1483 return new LIRDebugInfo(state, x.exceptionHandlers()); |
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 |
2596
1c36b17f7ee0
new node layout: AccessMonitor, Invoke
Lukas Stadler <lukas.stadler@jku.at>
parents:
2581
diff
changeset
|
1486 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
|
1487 // 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
|
1488 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
|
1489 int j = 0; |
2596
1c36b17f7ee0
new node layout: AccessMonitor, Invoke
Lukas Stadler <lukas.stadler@jku.at>
parents:
2581
diff
changeset
|
1490 for (int i = 0; i < x.argumentCount(); i++) { |
1c36b17f7ee0
new node layout: AccessMonitor, Invoke
Lukas Stadler <lukas.stadler@jku.at>
parents:
2581
diff
changeset
|
1491 Value arg = x.argument(i); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1492 if (arg != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1493 CiValue operand = cc.locations[j++]; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1494 if (operand.isRegister()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1495 force(arg, operand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1496 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1497 LIRItem param = new LIRItem(arg, this); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1498 assert operand.isStackSlot(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1499 CiStackSlot slot = (CiStackSlot) operand; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1500 assert !slot.inCallerFrame(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1501 param.loadForStore(slot.kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1502 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
|
1503 lir.unalignedMove(param.result(), slot); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1504 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1505 lir.move(param.result(), slot); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1506 } |
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 if (arg.kind == CiKind.Object && pointerSlots != null) { |
2596
1c36b17f7ee0
new node layout: AccessMonitor, Invoke
Lukas Stadler <lukas.stadler@jku.at>
parents:
2581
diff
changeset
|
1509 // 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
|
1510 pointerSlots.add(slot); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1511 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1512 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1513 argList.add(operand); |
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 return argList; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1517 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1518 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1519 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1520 * 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
|
1521 * for storing the result of an instruction. |
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 * @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
|
1524 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1525 protected CiValue makeOperand(Value instruction) { |
2537
4a016ff4d2df
Clean up on LIRGenerator and related.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2532
diff
changeset
|
1526 if (instruction == null) { |
4a016ff4d2df
Clean up on LIRGenerator and related.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2532
diff
changeset
|
1527 return CiValue.IllegalValue; |
4a016ff4d2df
Clean up on LIRGenerator and related.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2532
diff
changeset
|
1528 } |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1529 CiValue operand = instruction.operand(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1530 if (operand.isIllegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1531 if (instruction instanceof Phi) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1532 // 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
|
1533 operand = operandForPhi((Phi) instruction); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1534 } else if (instruction instanceof Constant) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1535 operand = operandForInstruction(instruction); |
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 // 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
|
1539 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
|
1540 return operand; |
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 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1544 * 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
|
1545 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1546 * @param kind the kind of value being returned |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1547 * @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
|
1548 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1549 protected CiValue resultOperandFor(CiKind kind) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1550 if (kind == CiKind.Void) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1551 return IllegalValue; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1552 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1553 CiRegister returnRegister = compilation.registerConfig.getReturnRegister(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1554 return returnRegister.asValue(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1555 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1556 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1557 protected XirSupport site(Value x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1558 return xirSupport.site(x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1559 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1560 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1561 public void maybePrintCurrentInstruction() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1562 if (currentInstruction != null && lastInstructionPrinted != currentInstruction) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1563 lastInstructionPrinted = currentInstruction; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1564 InstructionPrinter ip = new InstructionPrinter(TTY.out()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1565 ip.printInstructionListing(currentInstruction); |
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 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1568 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1569 protected abstract boolean canInlineAsConstant(Value i); |
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 protected abstract boolean canStoreAsConstant(Value i, CiKind kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1572 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1573 protected abstract boolean 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
|
1574 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1575 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
|
1576 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1577 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
|
1578 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1579 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
|
1580 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1581 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1582 * Implements site-specific information for the XIR interface. |
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 static class XirSupport implements XirSite { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1585 Value current; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1586 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1587 XirSupport() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1588 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1589 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1590 public CiCodePos getCodePos() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1591 // 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
|
1592 return null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1593 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1594 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1595 public boolean isNonNull(XirArgument argument) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1596 if (argument.constant == null && argument.object instanceof LIRItem) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1597 // check the flag on the original value |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1598 return ((LIRItem) argument.object).instruction.isNonNull(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1599 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1600 return false; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1601 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1602 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1603 public boolean requiresNullCheck() { |
2545
bb050fe2901d
Fixed regression wrt write barriers.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2543
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1604 return current == null || current.canTrap(); |
2507
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1605 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1606 |
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1607 public boolean requiresBoundsCheck() { |
2541
0f9eeb15e636
More Value.Flag clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
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2540
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1608 return true; |
2507
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1609 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1610 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1611 public boolean requiresReadBarrier() { |
2545
bb050fe2901d
Fixed regression wrt write barriers.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2543
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1612 return current == null || true; |
2507
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1613 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1614 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1615 public boolean requiresWriteBarrier() { |
2545
bb050fe2901d
Fixed regression wrt write barriers.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2543
diff
changeset
|
1616 return current == null || true; |
2507
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1617 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1618 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1619 public boolean requiresArrayStoreCheck() { |
2541
0f9eeb15e636
More Value.Flag clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2540
diff
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1620 return true; |
2507
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|
1621 } |
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|
1622 |
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|
1623 public RiType getApproximateType(XirArgument argument) { |
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Pull over of compiler from maxine repository.
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1624 return current == null ? null : current.declaredType(); |
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|
1625 } |
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Pull over of compiler from maxine repository.
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|
1626 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1627 public RiType getExactType(XirArgument argument) { |
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diff
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1628 return current == null ? null : current.exactType(); |
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|
1629 } |
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|
1630 |
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|
1631 XirSupport site(Value v) { |
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|
1632 current = v; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1633 return this; |
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|
1634 } |
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|
1635 |
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1636 @Override |
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|
1637 public String toString() { |
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|
1638 return "XirSupport<" + current + ">"; |
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1639 } |
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Pull over of compiler from maxine repository.
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|
1640 |
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|
1641 } |
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|
1642 |
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1643 private CiValue emitInvokeKnown(RiMethod method, FrameState stateBefore, Value... args) { |
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1644 boolean isStatic = Modifier.isStatic(method.accessFlags()); |
2596
1c36b17f7ee0
new node layout: AccessMonitor, Invoke
Lukas Stadler <lukas.stadler@jku.at>
parents:
2581
diff
changeset
|
1645 Invoke invoke = new Invoke(isStatic ? Bytecodes.INVOKESTATIC : Bytecodes.INVOKESPECIAL, method.signature().returnKind(), args, method, null, stateBefore, null); |
2507
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|
1646 visitInvoke(invoke); |
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|
1647 return invoke.operand(); |
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|
1648 } |
2630
c93adece95d2
Small clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2623
diff
changeset
|
1649 |
c93adece95d2
Small clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2623
diff
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|
1650 |
c93adece95d2
Small clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2623
diff
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|
1651 @Override |
c93adece95d2
Small clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
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2623
diff
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|
1652 public void visitFrameState(FrameState i) { |
c93adece95d2
Small clean up.
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parents:
2623
diff
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|
1653 // nothing to do for now |
c93adece95d2
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parents:
2623
diff
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|
1654 } |
2507
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|
1655 } |