Mercurial > hg > truffle
annotate graal/GraalCompiler/src/com/sun/c1x/gen/LIRGenerator.java @ 2633:721a45190d6d
Merge.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Tue, 10 May 2011 18:12:26 +0200 |
parents | 776e026f2e15 569228710be8 |
children | 4dd0573f510b |
rev | line source |
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1 /* |
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2 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 package com.sun.c1x.gen; |
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24 |
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25 import static com.sun.cri.bytecode.Bytecodes.*; |
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26 import static com.sun.cri.bytecode.Bytecodes.MemoryBarriers.*; |
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27 import static com.sun.cri.ci.CiCallingConvention.Type.*; |
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28 import static com.sun.cri.ci.CiValue.*; |
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29 |
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30 import java.util.*; |
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31 |
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32 import com.sun.c1x.*; |
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33 import com.sun.c1x.alloc.*; |
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34 import com.sun.c1x.alloc.OperandPool.VariableFlag; |
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35 import com.sun.c1x.asm.*; |
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36 import com.sun.c1x.debug.*; |
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37 import com.sun.c1x.globalstub.*; |
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38 import com.sun.c1x.graph.*; |
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39 import com.sun.c1x.ir.*; |
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40 import com.sun.c1x.lir.*; |
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41 import com.sun.c1x.opt.*; |
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42 import com.sun.c1x.util.*; |
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43 import com.sun.c1x.value.*; |
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44 import com.sun.c1x.value.FrameState.PhiProcedure; |
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45 import com.sun.cri.bytecode.Bytecodes.MemoryBarriers; |
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46 import com.sun.cri.ci.*; |
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47 import com.sun.cri.ri.*; |
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48 import com.sun.cri.xir.CiXirAssembler.XirConstant; |
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49 import com.sun.cri.xir.CiXirAssembler.XirInstruction; |
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50 import com.sun.cri.xir.CiXirAssembler.XirOperand; |
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51 import com.sun.cri.xir.CiXirAssembler.XirParameter; |
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52 import com.sun.cri.xir.CiXirAssembler.XirRegister; |
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53 import com.sun.cri.xir.CiXirAssembler.XirTemp; |
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54 import com.sun.cri.xir.*; |
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55 |
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56 /** |
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57 * This class traverses the HIR instructions and generates LIR instructions from them. |
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58 * |
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59 * @author Thomas Wuerthinger |
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60 * @author Ben L. Titzer |
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61 * @author Marcelo Cintra |
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62 * @author Doug Simon |
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63 */ |
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64 public abstract class LIRGenerator extends ValueVisitor { |
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65 |
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66 /** |
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67 * Helper class for inserting memory barriers as necessary to implement the Java Memory Model |
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68 * with respect to volatile field accesses. |
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69 * |
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70 * @see MemoryBarriers |
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71 */ |
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72 class VolatileMemoryAccess { |
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73 /** |
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74 * Inserts any necessary memory barriers before a volatile write as required by the JMM. |
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75 */ |
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76 void preVolatileWrite() { |
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77 int barriers = compilation.target.arch.requiredBarriers(JMM_PRE_VOLATILE_WRITE); |
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78 if (compilation.target.isMP && barriers != 0) { |
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79 lir.membar(barriers); |
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80 } |
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81 } |
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82 |
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83 /** |
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84 * Inserts any necessary memory barriers after a volatile write as required by the JMM. |
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85 */ |
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86 void postVolatileWrite() { |
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87 int barriers = compilation.target.arch.requiredBarriers(JMM_POST_VOLATILE_WRITE); |
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88 if (compilation.target.isMP && barriers != 0) { |
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89 lir.membar(barriers); |
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90 } |
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91 } |
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92 |
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93 /** |
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94 * Inserts any necessary memory barriers before a volatile read as required by the JMM. |
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95 */ |
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96 void preVolatileRead() { |
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97 int barriers = compilation.target.arch.requiredBarriers(JMM_PRE_VOLATILE_READ); |
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98 if (compilation.target.isMP && barriers != 0) { |
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99 lir.membar(barriers); |
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100 } |
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101 } |
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102 |
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103 /** |
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104 * Inserts any necessary memory barriers after a volatile read as required by the JMM. |
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105 */ |
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106 void postVolatileRead() { |
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107 // Ensure field's data is loaded before any subsequent loads or stores. |
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108 int barriers = compilation.target.arch.requiredBarriers(LOAD_LOAD | LOAD_STORE); |
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109 if (compilation.target.isMP && barriers != 0) { |
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110 lir.membar(barriers); |
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111 } |
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112 } |
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113 } |
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114 |
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115 /** |
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116 * Forces the result of a given instruction to be available in a given register, |
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117 * inserting move instructions if necessary. |
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118 * |
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119 * @param instruction an instruction that produces a {@linkplain Value#operand() result} |
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120 * @param register the {@linkplain CiRegister} in which the result of {@code instruction} must be available |
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121 * @return {@code register} as an operand |
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122 */ |
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123 protected CiValue force(Value instruction, CiRegister register) { |
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124 return force(instruction, register.asValue(instruction.kind)); |
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125 } |
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126 |
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127 /** |
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128 * Forces the result of a given instruction to be available in a given operand, |
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129 * inserting move instructions if necessary. |
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130 * |
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131 * @param instruction an instruction that produces a {@linkplain Value#operand() result} |
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132 * @param operand the operand in which the result of {@code instruction} must be available |
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133 * @return {@code operand} |
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134 */ |
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135 protected CiValue force(Value instruction, CiValue operand) { |
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136 CiValue result = makeOperand(instruction); |
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137 if (result != operand) { |
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138 assert result.kind != CiKind.Illegal; |
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139 if (!compilation.archKindsEqual(result.kind, operand.kind)) { |
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140 // moves between different types need an intervening spill slot |
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141 CiValue tmp = forceToSpill(result, operand.kind, false); |
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142 lir.move(tmp, operand); |
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143 } else { |
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144 lir.move(result, operand); |
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145 } |
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146 } |
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147 return operand; |
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148 } |
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149 |
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150 protected CiValue load(Value val) { |
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151 CiValue result = makeOperand(val); |
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152 if (!result.isVariableOrRegister()) { |
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153 CiVariable operand = newVariable(val.kind); |
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154 lir.move(result, operand); |
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155 return operand; |
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156 } |
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157 return result; |
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158 } |
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159 |
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160 // the range of values in a lookupswitch or tableswitch statement |
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161 private static final class SwitchRange { |
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162 final int lowKey; |
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163 int highKey; |
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164 final BlockBegin sux; |
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165 |
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166 SwitchRange(int lowKey, BlockBegin sux) { |
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167 this.lowKey = lowKey; |
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168 this.highKey = lowKey; |
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169 this.sux = sux; |
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170 } |
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171 } |
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172 |
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173 protected final C1XCompilation compilation; |
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174 protected final IR ir; |
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175 protected final XirSupport xirSupport; |
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176 protected final RiXirGenerator xir; |
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177 protected final boolean isTwoOperand; |
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178 |
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179 private BlockBegin currentBlock; |
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180 |
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181 public final OperandPool operands; |
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182 |
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183 private Value currentInstruction; |
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184 private Value lastInstructionPrinted; // Debugging only |
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185 |
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186 private List<CiConstant> constants; |
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187 private List<CiVariable> variablesForConstants; |
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188 protected LIRList lir; |
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189 final VolatileMemoryAccess vma; |
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190 private ArrayList<DeoptimizationStub> deoptimizationStubs; |
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191 private FrameState lastState; |
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192 |
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193 public LIRGenerator(C1XCompilation compilation) { |
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194 this.compilation = compilation; |
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195 this.ir = compilation.hir(); |
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196 this.xir = compilation.compiler.xir; |
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197 this.xirSupport = new XirSupport(); |
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198 this.isTwoOperand = compilation.target.arch.twoOperandMode(); |
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199 this.vma = new VolatileMemoryAccess(); |
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200 |
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201 constants = new ArrayList<CiConstant>(); |
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202 variablesForConstants = new ArrayList<CiVariable>(); |
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203 |
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204 this.operands = new OperandPool(compilation.target); |
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205 |
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206 new PhiSimplifier(ir); |
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207 } |
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208 |
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209 public ArrayList<DeoptimizationStub> deoptimizationStubs() { |
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210 return deoptimizationStubs; |
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211 } |
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212 |
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213 public static class DeoptimizationStub { |
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214 public final Label label = new Label(); |
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215 public final LIRDebugInfo info; |
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216 |
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217 public DeoptimizationStub(FrameState state) { |
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218 info = new LIRDebugInfo(state, null); |
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219 } |
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220 } |
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221 |
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222 public void doBlock(BlockBegin block) { |
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223 blockDoProlog(block); |
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224 this.currentBlock = block; |
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225 |
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226 if (C1XOptions.TraceLIRGeneratorLevel >= 1) { |
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227 TTY.println("BEGIN Generating LIR for block B" + block.blockID); |
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228 } |
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229 |
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230 for (Instruction instr = block; instr != null; instr = instr.next()) { |
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231 FrameState stateAfter = instr.stateAfter(); |
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232 if (!(instr instanceof BlockBegin)) { |
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233 walkState(instr, stateAfter); |
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234 doRoot(instr); |
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235 } |
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236 if (stateAfter != null) { |
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237 lastState = stateAfter; |
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238 if (C1XOptions.TraceLIRGeneratorLevel >= 2) { |
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239 TTY.println("STATE CHANGE"); |
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240 if (C1XOptions.TraceLIRGeneratorLevel >= 3) { |
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241 TTY.println(stateAfter.toString()); |
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242 } |
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243 } |
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244 } |
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245 } |
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246 |
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247 if (C1XOptions.TraceLIRGeneratorLevel >= 1) { |
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248 TTY.println("END Generating LIR for block B" + block.blockID); |
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249 } |
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250 |
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251 this.currentBlock = null; |
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252 blockDoEpilog(block); |
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253 } |
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254 |
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255 @Override |
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256 public void visitArrayLength(ArrayLength x) { |
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257 emitArrayLength(x); |
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258 } |
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259 |
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260 public CiValue emitArrayLength(ArrayLength x) { |
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261 XirArgument array = toXirArgument(x.array()); |
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262 XirSnippet snippet = xir.genArrayLength(site(x), array); |
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263 emitXir(snippet, x, stateFor(x), null, true); |
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264 return x.operand(); |
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265 } |
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266 |
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267 @Override |
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268 public void visitBase(Base x) { |
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269 // emit phi-instruction move after safepoint since this simplifies |
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270 // describing the state at the safepoint. |
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271 //moveToPhi(); |
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272 |
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273 // all blocks with a successor must end with an unconditional jump |
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274 // to the successor even if they are consecutive |
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275 lir.jump(x.defaultSuccessor()); |
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276 } |
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277 |
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278 private void setOperandsForLocals(FrameState state) { |
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279 CiCallingConvention args = compilation.frameMap().incomingArguments(); |
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280 int javaIndex = 0; |
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281 for (int i = 0; i < args.locations.length; i++) { |
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282 CiValue src = args.locations[i]; |
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283 assert src.isLegal() : "check"; |
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284 |
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285 CiVariable dest = newVariable(src.kind.stackKind()); |
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286 lir.move(src, dest, src.kind); |
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287 |
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288 // Assign new location to Local instruction for this local |
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289 Value instr = state.localAt(javaIndex); |
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290 Local local = ((Local) instr); |
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291 CiKind kind = src.kind.stackKind(); |
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292 assert kind == local.kind.stackKind() : "local type check failed"; |
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293 setResult(local, dest); |
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294 javaIndex += kind.jvmSlots; |
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295 } |
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296 } |
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297 |
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298 @Override |
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299 public void visitResolveClass(ResolveClass i) { |
2633 | 300 LIRDebugInfo info = stateFor(i, i.stateAfter()); |
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301 XirSnippet snippet = xir.genResolveClass(site(i), i.type, i.portion); |
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302 emitXir(snippet, i, info, null, true); |
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303 } |
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304 |
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305 @Override |
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306 public void visitCheckCast(CheckCast x) { |
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307 XirArgument obj = toXirArgument(x.object()); |
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308 XirSnippet snippet = xir.genCheckCast(site(x), obj, toXirArgument(x.targetClassInstruction()), x.targetClass()); |
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309 emitXir(snippet, x, stateFor(x), null, true); |
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310 } |
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311 |
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312 @Override |
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313 public void visitInstanceOf(InstanceOf x) { |
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314 XirArgument obj = toXirArgument(x.object()); |
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315 XirSnippet snippet = xir.genInstanceOf(site(x), obj, toXirArgument(x.targetClassInstruction()), x.targetClass()); |
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316 emitXir(snippet, x, maybeStateFor(x), null, true); |
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317 } |
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318 |
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319 @Override |
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320 public void visitMonitorEnter(MonitorEnter x) { |
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321 XirArgument obj = toXirArgument(x.object()); |
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322 XirArgument lockAddress = toXirArgument(x.lockAddress()); |
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323 XirSnippet snippet = xir.genMonitorEnter(site(x), obj, lockAddress); |
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324 emitXir(snippet, x, maybeStateFor(x), stateFor(x, x.stateAfter()), null, true, null); |
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325 } |
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326 |
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327 @Override |
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328 public void visitMonitorExit(MonitorExit x) { |
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329 XirArgument obj = toXirArgument(x.object()); |
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330 XirArgument lockAddress = toXirArgument(x.lockAddress()); |
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331 XirSnippet snippet = xir.genMonitorExit(site(x), obj, lockAddress); |
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332 emitXir(snippet, x, maybeStateFor(x), null, true); |
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333 } |
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334 |
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335 @Override |
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336 public void visitStoreIndexed(StoreIndexed x) { |
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337 XirArgument array = toXirArgument(x.array()); |
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338 XirArgument length = x.length() == null ? null : toXirArgument(x.length()); |
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339 XirArgument index = toXirArgument(x.index()); |
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340 XirArgument value = toXirArgument(x.value()); |
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341 XirSnippet snippet = xir.genArrayStore(site(x), array, index, length, value, x.elementKind(), null); |
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342 emitXir(snippet, x, maybeStateFor(x), null, true); |
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343 } |
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344 |
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345 @Override |
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346 public void visitNewInstance(NewInstance x) { |
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347 XirSnippet snippet = xir.genNewInstance(site(x), x.instanceClass()); |
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348 emitXir(snippet, x, stateFor(x), null, true); |
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349 } |
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350 |
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351 @Override |
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352 public void visitNewTypeArray(NewTypeArray x) { |
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353 XirArgument length = toXirArgument(x.length()); |
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354 XirSnippet snippet = xir.genNewArray(site(x), length, x.elementKind(), null, null); |
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355 emitXir(snippet, x, stateFor(x), null, true); |
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356 } |
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357 |
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358 @Override |
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359 public void visitNewObjectArray(NewObjectArray x) { |
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360 XirArgument length = toXirArgument(x.length()); |
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361 XirSnippet snippet = xir.genNewArray(site(x), length, CiKind.Object, x.elementClass(), x.exactType()); |
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362 emitXir(snippet, x, stateFor(x), null, true); |
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363 } |
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364 |
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365 @Override |
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366 public void visitNewMultiArray(NewMultiArray x) { |
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367 XirArgument[] dims = new XirArgument[x.dimensionCount()]; |
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368 |
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369 for (int i = 0; i < dims.length; i++) { |
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new node layout: TypeCheck, RegisterFinalizer, Invoke, NewArray, NullCheck
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370 dims[i] = toXirArgument(x.dimension(i)); |
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371 } |
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372 |
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373 XirSnippet snippet = xir.genNewMultiArray(site(x), dims, x.elementKind); |
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374 emitXir(snippet, x, stateFor(x), null, true); |
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375 } |
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376 |
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377 @Override |
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378 public void visitConstant(Constant x) { |
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379 if (!canInlineAsConstant(x)) { |
2507
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380 CiValue res = x.operand(); |
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381 if (!(res.isLegal())) { |
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382 res = x.asConstant(); |
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383 } |
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384 if (res.isConstant()) { |
2546
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385 CiVariable reg = createResultVariable(x); |
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386 lir.move(res, reg); |
2507
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387 } else { |
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388 setResult(x, (CiVariable) res); |
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389 } |
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390 } |
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391 } |
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392 |
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393 @Override |
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394 public void visitExceptionObject(ExceptionObject x) { |
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395 assert currentBlock.isExceptionEntry() : "ExceptionObject only allowed in exception handler block"; |
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396 assert currentBlock.next() == x : "ExceptionObject must be first instruction of block"; |
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397 |
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398 // no moves are created for phi functions at the begin of exception |
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399 // handlers, so assign operands manually here |
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400 currentBlock.stateBefore().forEachLivePhi(currentBlock, new PhiProcedure() { |
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401 public boolean doPhi(Phi phi) { |
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402 operandForPhi(phi); |
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403 return true; |
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404 } |
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405 }); |
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406 |
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407 XirSnippet snippet = xir.genExceptionObject(site(x)); |
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408 emitXir(snippet, x, maybeStateFor(x), null, true); |
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409 } |
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410 |
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411 @Override |
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412 public void visitGoto(Goto x) { |
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413 setNoResult(x); |
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414 |
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415 // emit phi-instruction moves after safepoint since this simplifies |
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416 // describing the state at the safepoint. |
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417 moveToPhi(x.stateAfter()); |
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418 |
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419 lir.jump(x.defaultSuccessor()); |
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420 } |
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|
421 |
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422 @Override |
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423 public void visitIfOp(IfOp i) { |
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424 Value x = i.x(); |
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425 Value y = i.y(); |
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426 CiKind xtype = x.kind; |
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427 CiKind ttype = i.trueValue().kind; |
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428 assert xtype.isInt() || xtype.isObject() : "cannot handle others"; |
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429 assert ttype.isInt() || ttype.isObject() || ttype.isLong() || ttype.isWord() : "cannot handle others"; |
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430 assert ttype.equals(i.falseValue().kind) : "cannot handle others"; |
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431 |
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432 CiValue left = load(x); |
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433 CiValue right = null; |
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434 if (!canInlineAsConstant(y)) { |
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435 right = load(y); |
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436 } else { |
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437 right = makeOperand(y); |
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438 } |
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439 |
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440 CiValue tVal = makeOperand(i.trueValue()); |
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441 CiValue fVal = makeOperand(i.falseValue()); |
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442 CiValue reg = createResultVariable(i); |
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443 |
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444 lir.cmp(i.condition(), left, right); |
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445 lir.cmove(i.condition(), tVal, fVal, reg); |
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446 } |
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447 |
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448 protected FrameState stateBeforeInvoke(Invoke invoke) { |
2622
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2602
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449 FrameState stateAfter = invoke.stateAfter(); |
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450 FrameStateBuilder builder = new FrameStateBuilder(compilation.method, invoke.graph()); |
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451 builder.initializeFrom(stateAfter); |
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452 if (invoke.kind != CiKind.Void) { |
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453 builder.pop(invoke.kind); |
2622
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454 } |
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455 int argumentCount = invoke.argumentCount(); // invoke.arguments() iterable? |
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456 for (int i = 0; i < argumentCount; i++) { |
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Framestate work : using stateAFter and reducting the number of nodes with framestates. Intermediate state (does not pass tests)
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457 Value arg = invoke.argument(i); |
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458 builder.push(arg.kind, arg); |
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459 } |
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460 return builder.create(invoke.bci()); |
2628
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More FrameState work
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2623
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461 } |
2622
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2602
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|
462 |
2507
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463 @Override |
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464 public void visitInvoke(Invoke x) { |
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465 RiMethod target = x.target(); |
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466 LIRDebugInfo info = stateFor(x, stateBeforeInvoke(x)); |
2507
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467 |
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468 XirSnippet snippet = null; |
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|
469 |
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470 int opcode = x.opcode(); |
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471 XirArgument receiver; |
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472 switch (opcode) { |
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473 case INVOKESTATIC: |
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474 snippet = xir.genInvokeStatic(site(x), target); |
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|
475 break; |
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|
476 case INVOKESPECIAL: |
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477 receiver = toXirArgument(x.receiver()); |
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478 snippet = xir.genInvokeSpecial(site(x), receiver, target); |
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diff
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|
479 break; |
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diff
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|
480 case INVOKEVIRTUAL: |
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481 receiver = toXirArgument(x.receiver()); |
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|
482 snippet = xir.genInvokeVirtual(site(x), receiver, target); |
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diff
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|
483 break; |
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changeset
|
484 case INVOKEINTERFACE: |
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485 receiver = toXirArgument(x.receiver()); |
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changeset
|
486 snippet = xir.genInvokeInterface(site(x), receiver, target); |
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diff
changeset
|
487 break; |
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|
488 } |
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diff
changeset
|
489 |
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changeset
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490 CiValue destinationAddress = null; |
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491 // emitting the template earlier can ease pressure on register allocation, but the argument loading can destroy an |
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492 // implicit calling convention between the XirSnippet and the call. |
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493 if (!C1XOptions.InvokeSnippetAfterArguments) { |
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494 destinationAddress = emitXir(snippet, x, info.copy(), x.target(), false); |
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495 } |
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496 |
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497 CiValue resultOperand = resultOperandFor(x.kind); |
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498 CiCallingConvention cc = compilation.frameMap().getCallingConvention(x.signature(), JavaCall); |
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499 List<CiValue> pointerSlots = new ArrayList<CiValue>(2); |
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500 List<CiValue> argList = visitInvokeArguments(cc, x, pointerSlots); |
2507
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501 |
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502 if (C1XOptions.InvokeSnippetAfterArguments) { |
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503 destinationAddress = emitXir(snippet, x, info.copy(), null, x.target(), false, pointerSlots); |
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504 } |
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505 |
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506 // emit direct or indirect call to the destination address |
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507 if (destinationAddress instanceof CiConstant) { |
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508 // Direct call |
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509 assert ((CiConstant) destinationAddress).isDefaultValue() : "destination address should be zero"; |
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510 lir.callDirect(target, resultOperand, argList, info, snippet.marks, pointerSlots); |
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511 } else { |
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512 // Indirect call |
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513 argList.add(destinationAddress); |
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514 lir.callIndirect(target, resultOperand, argList, info, snippet.marks, pointerSlots); |
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515 } |
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516 |
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517 if (resultOperand.isLegal()) { |
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518 CiValue result = createResultVariable(x); |
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519 lir.move(resultOperand, result); |
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520 } |
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521 } |
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522 |
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523 @Override |
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524 public void visitMonitorAddress(MonitorAddress x) { |
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525 CiValue result = createResultVariable(x); |
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526 lir.monitorAddress(x.monitor(), result); |
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527 } |
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528 |
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529 /** |
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530 * For note on volatile fields, see {@link #visitStoreField(StoreField)}. |
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531 */ |
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532 @Override |
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533 public void visitLoadField(LoadField x) { |
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534 RiField field = x.field(); |
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535 LIRDebugInfo info = stateFor(x); |
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536 XirArgument receiver = toXirArgument(x.object()); |
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537 XirSnippet snippet = x.isStatic() ? xir.genGetStatic(site(x), receiver, field) : xir.genGetField(site(x), receiver, field); |
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538 emitXir(snippet, x, info, null, true); |
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539 |
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540 if (x.isVolatile()) { |
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541 vma.postVolatileRead(); |
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542 } |
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543 } |
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544 |
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545 @Override |
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546 public void visitLoadIndexed(LoadIndexed x) { |
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547 XirArgument array = toXirArgument(x.array()); |
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548 XirArgument index = toXirArgument(x.index()); |
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549 XirArgument length = toXirArgument(x.length()); |
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550 XirSnippet snippet = xir.genArrayLoad(site(x), array, index, length, x.elementKind(), null); |
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551 emitXir(snippet, x, maybeStateFor(x), null, true); |
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552 } |
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553 |
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554 protected GlobalStub stubFor(CiRuntimeCall runtimeCall) { |
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555 GlobalStub stub = compilation.compiler.lookupGlobalStub(runtimeCall); |
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556 compilation.frameMap().usesGlobalStub(stub); |
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557 return stub; |
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558 } |
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559 |
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560 protected GlobalStub stubFor(GlobalStub.Id globalStub) { |
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561 GlobalStub stub = compilation.compiler.lookupGlobalStub(globalStub); |
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562 compilation.frameMap().usesGlobalStub(stub); |
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563 return stub; |
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564 } |
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565 |
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diff
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566 protected GlobalStub stubFor(XirTemplate template) { |
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567 GlobalStub stub = compilation.compiler.lookupGlobalStub(template); |
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568 compilation.frameMap().usesGlobalStub(stub); |
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569 return stub; |
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|
570 } |
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|
571 |
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572 @Override |
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573 public void visitLocal(Local x) { |
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574 if (x.operand().isIllegal()) { |
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575 createResultVariable(x); |
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576 } |
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|
577 } |
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|
578 |
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579 @Override |
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580 public void visitLookupSwitch(LookupSwitch x) { |
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581 CiValue tag = load(x.value()); |
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582 setNoResult(x); |
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583 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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584 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
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585 emitXir(xir.genSafepoint(site(x)), x, stateFor(x), null, false); |
2507
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586 } |
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587 |
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diff
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|
588 // move values into phi locations |
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589 moveToPhi(x.stateAfter()); |
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590 |
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591 if (x.numberOfCases() == 0 || x.numberOfCases() < C1XOptions.SequentialSwitchLimit) { |
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592 int len = x.numberOfCases(); |
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593 for (int i = 0; i < len; i++) { |
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594 lir.cmp(Condition.EQ, tag, x.keyAt(i)); |
2602
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
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2600
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595 lir.branch(Condition.EQ, CiKind.Int, x.blockSuccessor(i)); |
2507
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596 } |
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|
597 lir.jump(x.defaultSuccessor()); |
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598 } else { |
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|
599 visitSwitchRanges(createLookupRanges(x), tag, x.defaultSuccessor()); |
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diff
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600 } |
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parents:
diff
changeset
|
601 } |
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diff
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|
602 |
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diff
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|
603 @Override |
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diff
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|
604 public void visitNullCheck(NullCheck x) { |
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605 // TODO: this is suboptimal because it may result in an unnecessary move |
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606 CiValue value = load(x.object()); |
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607 if (x.canTrap()) { |
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608 LIRDebugInfo info = stateFor(x); |
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609 lir.nullCheck(value, info); |
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|
610 } |
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611 x.setOperand(value); |
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diff
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|
612 } |
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|
613 |
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diff
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614 @Override |
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parents:
diff
changeset
|
615 public void visitPhi(Phi i) { |
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diff
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|
616 Util.shouldNotReachHere(); |
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parents:
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|
617 } |
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diff
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|
618 |
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|
619 @Override |
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620 public void visitReturn(Return x) { |
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parents:
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|
621 if (x.kind.isVoid()) { |
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622 XirSnippet epilogue = xir.genEpilogue(site(x), compilation.method); |
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parents:
diff
changeset
|
623 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
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|
624 emitXir(epilogue, x, stateFor(x), compilation.method, false); |
2507
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625 lir.returnOp(IllegalValue); |
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|
626 } |
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627 } else { |
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|
628 CiValue operand = resultOperandFor(x.kind); |
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629 CiValue result = force(x.result(), operand); |
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630 XirSnippet epilogue = xir.genEpilogue(site(x), compilation.method); |
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|
631 if (epilogue != null) { |
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parents:
diff
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|
632 emitXir(epilogue, x, stateFor(x, x.stateAfter()), compilation.method, false); |
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|
633 lir.returnOp(result); |
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634 } |
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|
635 } |
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|
636 setNoResult(x); |
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|
637 } |
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|
638 |
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parents:
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639 protected XirArgument toXirArgument(CiValue v) { |
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640 if (v == null) { |
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641 return null; |
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642 } |
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643 |
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644 return XirArgument.forInternalObject(v); |
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645 } |
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|
646 |
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647 protected XirArgument toXirArgument(Value i) { |
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648 if (i == null) { |
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649 return null; |
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650 } |
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|
651 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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652 return XirArgument.forInternalObject(new LIRItem(i, this)); |
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653 } |
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diff
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|
654 |
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|
655 private CiValue allocateOperand(XirSnippet snippet, XirOperand op) { |
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656 if (op instanceof XirParameter) { |
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657 XirParameter param = (XirParameter) op; |
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658 return allocateOperand(snippet.arguments[param.parameterIndex], op, param.canBeConstant); |
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659 } else if (op instanceof XirRegister) { |
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660 XirRegister reg = (XirRegister) op; |
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661 return reg.register; |
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diff
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662 } else if (op instanceof XirTemp) { |
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diff
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|
663 return newVariable(op.kind); |
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diff
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|
664 } else { |
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diff
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|
665 Util.shouldNotReachHere(); |
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666 return null; |
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667 } |
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diff
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|
668 } |
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diff
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|
669 |
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|
670 private CiValue allocateOperand(XirArgument arg, XirOperand var, boolean canBeConstant) { |
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671 if (arg.constant != null) { |
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672 return arg.constant; |
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673 } else { |
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674 assert arg.object != null; |
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675 if (arg.object instanceof CiValue) { |
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676 return (CiValue) arg.object; |
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677 } |
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678 assert arg.object instanceof LIRItem; |
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679 LIRItem item = (LIRItem) arg.object; |
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680 if (canBeConstant) { |
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681 return item.instruction.operand(); |
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682 } else { |
2537
4a016ff4d2df
Clean up on LIRGenerator and related.
Thomas Wuerthinger <thomas@wuerthinger.net>
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2532
diff
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|
683 CiKind kind = var.kind; |
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2532
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684 if (kind == CiKind.Byte || kind == CiKind.Boolean) { |
4a016ff4d2df
Clean up on LIRGenerator and related.
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2532
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|
685 item.loadByteItem(); |
4a016ff4d2df
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parents:
2532
diff
changeset
|
686 } else { |
4a016ff4d2df
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2532
diff
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|
687 item.loadItem(); |
4a016ff4d2df
Clean up on LIRGenerator and related.
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2532
diff
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|
688 } |
2507
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689 return item.result(); |
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diff
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|
690 } |
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parents:
diff
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|
691 } |
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parents:
diff
changeset
|
692 } |
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diff
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|
693 |
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diff
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|
694 protected CiValue emitXir(XirSnippet snippet, Instruction x, LIRDebugInfo info, RiMethod method, boolean setInstructionResult) { |
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695 return emitXir(snippet, x, info, null, method, setInstructionResult, null); |
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diff
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|
696 } |
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parents:
diff
changeset
|
697 |
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diff
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|
698 protected CiValue emitXir(XirSnippet snippet, Instruction instruction, LIRDebugInfo info, LIRDebugInfo infoAfter, RiMethod method, boolean setInstructionResult, List<CiValue> pointerSlots) { |
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diff
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|
699 if (C1XOptions.PrintXirTemplates) { |
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|
700 TTY.println("Emit XIR template " + snippet.template.name); |
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diff
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|
701 } |
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diff
changeset
|
702 |
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diff
changeset
|
703 final CiValue[] operands = new CiValue[snippet.template.variableCount]; |
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parents:
diff
changeset
|
704 |
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diff
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|
705 compilation.frameMap().reserveOutgoing(snippet.template.outgoingStackSize); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
706 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
707 XirOperand resultOperand = snippet.template.resultOperand; |
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parents:
diff
changeset
|
708 |
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diff
changeset
|
709 if (snippet.template.allocateResultOperand) { |
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diff
changeset
|
710 CiValue outputOperand = IllegalValue; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
711 // This snippet has a result that must be separately allocated |
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diff
changeset
|
712 // Otherwise it is assumed that the result is part of the inputs |
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parents:
diff
changeset
|
713 if (resultOperand.kind != CiKind.Void && resultOperand.kind != CiKind.Illegal) { |
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parents:
diff
changeset
|
714 if (setInstructionResult) { |
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parents:
diff
changeset
|
715 outputOperand = newVariable(instruction.kind); |
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diff
changeset
|
716 } else { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
717 outputOperand = newVariable(resultOperand.kind); |
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parents:
diff
changeset
|
718 } |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
719 assert operands[resultOperand.index] == null; |
9ec15d6914ca
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parents:
diff
changeset
|
720 } |
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parents:
diff
changeset
|
721 operands[resultOperand.index] = outputOperand; |
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parents:
diff
changeset
|
722 if (C1XOptions.PrintXirTemplates) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
723 TTY.println("Output operand: " + outputOperand); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
724 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
725 } |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
726 |
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parents:
diff
changeset
|
727 for (XirTemp t : snippet.template.temps) { |
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parents:
diff
changeset
|
728 if (t instanceof XirRegister) { |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
729 XirRegister reg = (XirRegister) t; |
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parents:
diff
changeset
|
730 if (!t.reserve) { |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
731 operands[t.index] = reg.register; |
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parents:
diff
changeset
|
732 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
733 } |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
734 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
735 |
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parents:
diff
changeset
|
736 for (XirTemplate calleeTemplate : snippet.template.calleeTemplates) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
737 // TODO Save these for use in X86LIRAssembler |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
738 stubFor(calleeTemplate); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
739 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
740 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
741 for (XirConstant c : snippet.template.constants) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
742 assert operands[c.index] == null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
743 operands[c.index] = c.value; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
744 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
745 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
746 XirOperand[] inputOperands = snippet.template.inputOperands; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
747 XirOperand[] inputTempOperands = snippet.template.inputTempOperands; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
748 XirOperand[] tempOperands = snippet.template.tempOperands; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
749 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
750 CiValue[] operandArray = new CiValue[inputOperands.length + inputTempOperands.length + tempOperands.length]; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
751 int[] operandIndicesArray = new int[inputOperands.length + inputTempOperands.length + tempOperands.length]; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
752 for (int i = 0; i < inputOperands.length; i++) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
753 XirOperand x = inputOperands[i]; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
754 CiValue op = allocateOperand(snippet, x); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
755 operands[x.index] = op; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
756 operandArray[i] = op; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
757 operandIndicesArray[i] = x.index; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
758 if (C1XOptions.PrintXirTemplates) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
759 TTY.println("Input operand: " + x); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
760 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
761 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
762 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
763 for (int i = 0; i < inputTempOperands.length; i++) { |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
764 XirOperand x = inputTempOperands[i]; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
765 CiValue op = allocateOperand(snippet, x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
766 CiValue newOp = newVariable(op.kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
767 lir.move(op, newOp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
768 operands[x.index] = newOp; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
769 operandArray[i + inputOperands.length] = newOp; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
770 operandIndicesArray[i + inputOperands.length] = x.index; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
771 if (C1XOptions.PrintXirTemplates) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
772 TTY.println("InputTemp operand: " + x); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
773 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
774 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
775 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
776 for (int i = 0; i < tempOperands.length; i++) { |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
777 XirOperand x = tempOperands[i]; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
778 CiValue op = allocateOperand(snippet, x); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
779 operands[x.index] = op; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
780 operandArray[i + inputOperands.length + inputTempOperands.length] = op; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
781 operandIndicesArray[i + inputOperands.length + inputTempOperands.length] = x.index; |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
782 if (C1XOptions.PrintXirTemplates) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
783 TTY.println("Temp operand: " + x); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
784 } |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
785 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
786 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
787 for (CiValue operand : operands) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
788 assert operand != null; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
789 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
790 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
791 CiValue allocatedResultOperand = operands[resultOperand.index]; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
792 if (!allocatedResultOperand.isVariableOrRegister()) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
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793 allocatedResultOperand = IllegalValue; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
794 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
795 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
796 if (setInstructionResult && allocatedResultOperand.isLegal()) { |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
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797 if (instruction.operand().isIllegal()) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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changeset
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798 setResult(instruction, (CiVariable) allocatedResultOperand); |
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parents:
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changeset
|
799 } else { |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
800 assert instruction.operand() == allocatedResultOperand; |
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parents:
diff
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|
801 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
802 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
803 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
804 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
805 XirInstruction[] slowPath = snippet.template.slowPath; |
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Pull over of compiler from maxine repository.
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parents:
diff
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|
806 if (!operands[resultOperand.index].isConstant() || snippet.template.fastPath.length != 0 || (slowPath != null && slowPath.length > 0)) { |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
807 // XIR instruction is only needed when the operand is not a constant! |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
808 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>
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809 operandArray, operandIndicesArray, |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
810 (operands[resultOperand.index] == IllegalValue) ? -1 : resultOperand.index, |
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parents:
diff
changeset
|
811 info, infoAfter, method, pointerSlots); |
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parents:
diff
changeset
|
812 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
813 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
814 return operands[resultOperand.index]; |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
815 } |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
816 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
817 @Override |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
818 public void visitStoreField(StoreField x) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
819 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
|
820 LIRDebugInfo info = stateFor(x); |
2507
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
821 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
822 if (x.isVolatile()) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
823 vma.preVolatileWrite(); |
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parents:
diff
changeset
|
824 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
825 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
826 XirArgument receiver = toXirArgument(x.object()); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
827 XirArgument value = toXirArgument(x.value()); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
828 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
|
829 emitXir(snippet, x, info, null, true); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
830 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
831 if (x.isVolatile()) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
832 vma.postVolatileWrite(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
833 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
834 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
835 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
836 @Override |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
837 public void visitTableSwitch(TableSwitch x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
838 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
839 LIRItem value = new LIRItem(x.value(), this); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
840 // Making a copy of the switch value is necessary when generating a jump table |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
841 value.setDestroysRegister(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
842 value.loadItem(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
843 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
844 CiValue tag = value.result(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
845 setNoResult(x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
846 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
847 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
|
848 emitXir(xir.genSafepoint(site(x)), x, stateFor(x), null, false); |
2507
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parents:
diff
changeset
|
849 } |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
850 |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
851 // move values into phi locations |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
852 moveToPhi(x.stateAfter()); |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
853 |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
854 // 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.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
855 if (x.numberOfCases() == 0 || x.numberOfCases() <= C1XOptions.SequentialSwitchLimit) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
856 int loKey = x.lowKey(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
857 int len = x.numberOfCases(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
858 for (int i = 0; i < len; i++) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
859 lir.cmp(Condition.EQ, tag, i + loKey); |
2602
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2600
diff
changeset
|
860 lir.branch(Condition.EQ, CiKind.Int, x.blockSuccessor(i)); |
2507
9ec15d6914ca
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parents:
diff
changeset
|
861 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
862 lir.jump(x.defaultSuccessor()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
863 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
864 SwitchRange[] switchRanges = createLookupRanges(x); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
865 int rangeDensity = x.numberOfCases() / switchRanges.length; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
866 if (rangeDensity >= C1XOptions.RangeTestsSwitchDensity) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
867 visitSwitchRanges(switchRanges, tag, x.defaultSuccessor()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
868 } else { |
2581
4a36a0bd6d18
added GraalGraph to classpath, Node as superclass of Value
Lukas Stadler <lukas.stadler@jku.at>
parents:
2564
diff
changeset
|
869 List<BlockBegin> nonDefaultSuccessors = x.blockSuccessors().subList(0, x.numberOfCases()); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
870 BlockBegin[] targets = nonDefaultSuccessors.toArray(new BlockBegin[nonDefaultSuccessors.size()]); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
871 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
|
872 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
873 } |
9ec15d6914ca
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 @Override |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
877 public void visitThrow(Throw x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
878 setNoResult(x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
879 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
|
880 LIRDebugInfo info = stateFor(x); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
881 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
882 // 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:
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|
883 boolean unwind = false; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
884 if (x.exceptionHandlers().size() == 0) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
885 // this throw is not inside an xhandler |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
886 unwind = true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
887 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
888 // get some idea of the throw type |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
889 boolean typeIsExact = true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
890 RiType throwType = x.exception().exactType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
891 if (throwType == null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
892 typeIsExact = false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
893 throwType = x.exception().declaredType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
894 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
895 if (throwType != null && throwType.isResolved() && throwType.isInstanceClass()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
896 unwind = !ExceptionHandler.couldCatch(x.exceptionHandlers(), throwType, typeIsExact); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
897 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
898 } |
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 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
|
901 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
902 // move exception oop into fixed register |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
903 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
|
904 CiValue argumentOperand = callingConvention.locations[0]; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
905 lir.move(exceptionOpr, argumentOperand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
906 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
907 if (unwind) { |
2632
776e026f2e15
Small cleanup.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2630
diff
changeset
|
908 lir.unwindException(CiValue.IllegalValue, exceptionOpr, info); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
909 } else { |
2632
776e026f2e15
Small cleanup.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2630
diff
changeset
|
910 lir.throwException(CiValue.IllegalValue, argumentOperand, info); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
911 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
912 } |
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 private void blockDoEpilog(BlockBegin block) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
915 if (C1XOptions.PrintIRWithLIR) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
916 TTY.println(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
917 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
918 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
919 // clear out variables for local constants |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
920 constants.clear(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
921 variablesForConstants.clear(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
922 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
923 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
924 private void blockDoProlog(BlockBegin block) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
925 if (C1XOptions.PrintIRWithLIR) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
926 TTY.print(block.toString()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
927 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
928 // set up the list of LIR instructions |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
929 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
|
930 lir = new LIRList(this); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
931 block.setLir(lir); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
932 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
933 lir.branchDestination(block.label()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
934 if (block == ir.startBlock) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
935 XirSnippet prologue = xir.genPrologue(null, compilation.method); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
936 if (prologue != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
937 emitXir(prologue, null, null, null, false); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
938 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
939 setOperandsForLocals(block.end().stateAfter()); |
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 } |
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 * 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
|
945 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
946 * @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
|
947 * @param kind the kind of new operand |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
948 * @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
|
949 * @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
|
950 * initially defined a by move from {@code value} |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
951 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
952 CiValue forceToSpill(CiValue value, CiKind kind, boolean mustStayOnStack) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
953 assert value.isLegal() : "value should not be illegal"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
954 assert kind.jvmSlots == value.kind.jvmSlots : "size mismatch"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
955 if (!value.isVariableOrRegister()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
956 // 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
|
957 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
|
958 lir.move(value, operand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
959 return operand; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
960 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
961 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
962 // create a spill location |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
963 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
|
964 // move from register to spill |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
965 lir.move(value, operand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
966 return operand; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
967 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
968 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
969 private CiVariable loadConstant(Constant x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
970 return loadConstant(x.asConstant(), x.kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
971 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
972 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
973 protected CiVariable loadConstant(CiConstant c, CiKind kind) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
974 // 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
|
975 int index = constants.indexOf(c); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
976 if (index != -1) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
977 C1XMetrics.LoadConstantIterations += index; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
978 return variablesForConstants.get(index); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
979 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
980 C1XMetrics.LoadConstantIterations += constants.size(); |
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:
diff
changeset
|
982 CiVariable result = newVariable(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
983 lir.move(c, result); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
984 constants.add(c); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
985 variablesForConstants.add(result); |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
986 return result; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
987 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
988 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
989 /** |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
990 * Allocates a variable operand to hold the result of a given instruction. |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
991 * This can only be performed once for any given instruction. |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
992 * |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
993 * @param x an instruction that produces a result |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
994 * @return the variable assigned to hold the result produced by {@code x} |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
995 */ |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
996 protected CiVariable createResultVariable(Value x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
997 CiVariable operand = newVariable(x.kind); |
9ec15d6914ca
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parents:
diff
changeset
|
998 setResult(x, operand); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
999 return operand; |
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parents:
diff
changeset
|
1000 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1001 |
2628
569228710be8
More FrameState work
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2623
diff
changeset
|
1002 private FrameState stateBeforeRegisterFinalizer(RegisterFinalizer rf) { |
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More FrameState work
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2623
diff
changeset
|
1003 Value object = rf.object(); |
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Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2623
diff
changeset
|
1004 FrameStateBuilder builder = new FrameStateBuilder(compilation.method, rf.graph()); |
569228710be8
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Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2623
diff
changeset
|
1005 builder.initializeFrom(rf.stateAfter()); |
569228710be8
More FrameState work
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parents:
2623
diff
changeset
|
1006 builder.push(object.kind, object); |
569228710be8
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parents:
2623
diff
changeset
|
1007 return builder.create(rf.bci()); |
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parents:
2623
diff
changeset
|
1008 } |
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parents:
2623
diff
changeset
|
1009 |
2519
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Removed intrinsics.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2515
diff
changeset
|
1010 @Override |
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Removed intrinsics.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2515
diff
changeset
|
1011 public void visitRegisterFinalizer(RegisterFinalizer x) { |
2628
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Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2623
diff
changeset
|
1012 CiValue receiver = load(x.object()); |
569228710be8
More FrameState work
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2623
diff
changeset
|
1013 LIRDebugInfo info = stateFor(x, stateBeforeRegisterFinalizer(x)); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1014 callRuntime(CiRuntimeCall.RegisterFinalizer, info, receiver); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1015 setNoResult(x); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1016 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1017 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1018 private void visitSwitchRanges(SwitchRange[] x, CiValue value, BlockBegin defaultSux) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1019 for (int i = 0; i < x.length; i++) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1020 SwitchRange oneRange = x[i]; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1021 int lowKey = oneRange.lowKey; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1022 int highKey = oneRange.highKey; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1023 BlockBegin dest = oneRange.sux; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1024 if (lowKey == highKey) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1025 lir.cmp(Condition.EQ, value, lowKey); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1026 lir.branch(Condition.EQ, CiKind.Int, dest); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1027 } else if (highKey - lowKey == 1) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1028 lir.cmp(Condition.EQ, value, lowKey); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1029 lir.branch(Condition.EQ, CiKind.Int, dest); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1030 lir.cmp(Condition.EQ, value, highKey); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1031 lir.branch(Condition.EQ, CiKind.Int, dest); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1032 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1033 Label l = new Label(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1034 lir.cmp(Condition.LT, value, lowKey); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1035 lir.branch(Condition.LT, l); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1036 lir.cmp(Condition.LE, value, highKey); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1037 lir.branch(Condition.LE, CiKind.Int, dest); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1038 lir.branchDestination(l); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1039 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1040 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1041 lir.jump(defaultSux); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1042 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1043 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1044 protected void arithmeticOpFpu(int code, CiValue result, CiValue left, CiValue right, CiValue tmp) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1045 CiValue leftOp = left; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1046 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1047 if (isTwoOperand && leftOp != result) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1048 assert right != result : "malformed"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1049 lir.move(leftOp, result); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1050 leftOp = result; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1051 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1052 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1053 switch (code) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1054 case DADD: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1055 case FADD: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1056 lir.add(leftOp, right, result); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1057 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1058 case FMUL: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1059 case DMUL: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1060 lir.mul(leftOp, right, result); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1061 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1062 case DSUB: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1063 case FSUB: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1064 lir.sub(leftOp, right, result); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1065 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1066 case FDIV: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1067 case DDIV: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1068 lir.div(leftOp, right, result, null); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1069 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1070 default: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1071 Util.shouldNotReachHere(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1072 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1073 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1074 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1075 protected void arithmeticOpInt(int code, CiValue result, CiValue left, CiValue right, CiValue tmp) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1076 CiValue leftOp = left; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1077 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1078 if (isTwoOperand && leftOp != result) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1079 assert right != result : "malformed"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1080 lir.move(leftOp, result); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1081 leftOp = result; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1082 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1083 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1084 switch (code) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1085 case IADD: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1086 lir.add(leftOp, right, result); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1087 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1088 case IMUL: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1089 boolean didStrengthReduce = false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1090 if (right.isConstant()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1091 CiConstant rightConstant = (CiConstant) right; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1092 int c = rightConstant.asInt(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1093 if (CiUtil.isPowerOf2(c)) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1094 // do not need tmp here |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1095 lir.shiftLeft(leftOp, CiUtil.log2(c), result); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1096 didStrengthReduce = true; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1097 } else { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1098 didStrengthReduce = strengthReduceMultiply(leftOp, c, result, tmp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1099 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1100 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1101 // we couldn't strength reduce so just emit the multiply |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
1102 if (!didStrengthReduce) { |
9ec15d6914ca
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parents:
diff
changeset
|
1103 lir.mul(leftOp, right, result); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1104 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1105 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1106 case ISUB: |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1107 lir.sub(leftOp, right, result); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1108 break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1109 default: |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1110 // idiv and irem are handled elsewhere |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1111 Util.shouldNotReachHere(); |
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Pull over of compiler from maxine repository.
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1112 } |
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Pull over of compiler from maxine repository.
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|
1113 } |
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Pull over of compiler from maxine repository.
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|
1114 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1115 protected void arithmeticOpLong(int code, CiValue result, CiValue left, CiValue right, LIRDebugInfo info) { |
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1116 CiValue leftOp = left; |
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|
1117 |
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Pull over of compiler from maxine repository.
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1118 if (isTwoOperand && leftOp != result) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1119 assert right != result : "malformed"; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1120 lir.move(leftOp, result); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1121 leftOp = result; |
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Pull over of compiler from maxine repository.
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|
1122 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1123 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1124 switch (code) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1125 case LADD: |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1126 lir.add(leftOp, right, result); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1127 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1128 case LMUL: |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1129 lir.mul(leftOp, right, result); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
1130 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1131 case LSUB: |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1132 lir.sub(leftOp, right, result); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
1133 break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1134 default: |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1135 // ldiv and lrem are handled elsewhere |
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|
1136 Util.shouldNotReachHere(); |
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|
1137 } |
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|
1138 } |
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|
1139 |
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|
1140 protected final CiValue callRuntime(CiRuntimeCall runtimeCall, LIRDebugInfo info, CiValue... args) { |
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|
1141 // get a result register |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1142 CiKind result = runtimeCall.resultKind; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1143 CiKind[] arguments = runtimeCall.arguments; |
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1144 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1145 CiValue physReg = result.isVoid() ? IllegalValue : resultOperandFor(result); |
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|
1146 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1147 List<CiValue> argumentList; |
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|
1148 if (arguments.length > 0) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1149 // move the arguments into the correct location |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1150 CiCallingConvention cc = compilation.frameMap().getCallingConvention(arguments, RuntimeCall); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1151 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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1152 for (int i = 0; i < args.length; i++) { |
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|
1153 CiValue arg = args[i]; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1154 CiValue loc = cc.locations[i]; |
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|
1155 if (loc.isRegister()) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
1156 lir.move(arg, loc); |
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diff
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|
1157 } else { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1158 assert loc.isStackSlot(); |
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|
1159 CiStackSlot slot = (CiStackSlot) loc; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1160 if (slot.kind == CiKind.Long || slot.kind == CiKind.Double) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1161 lir.unalignedMove(arg, slot); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1162 } else { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1163 lir.move(arg, slot); |
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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 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1166 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1167 argumentList = Arrays.asList(cc.locations); |
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1168 } else { |
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|
1169 // no arguments |
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|
1170 assert args == null || args.length == 0; |
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Pull over of compiler from maxine repository.
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|
1171 argumentList = Util.uncheckedCast(Collections.emptyList()); |
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parents:
diff
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|
1172 } |
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|
1173 |
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diff
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|
1174 lir.callRuntime(runtimeCall, physReg, argumentList, info); |
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diff
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|
1175 |
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|
1176 return physReg; |
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|
1177 } |
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|
1178 |
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Pull over of compiler from maxine repository.
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|
1179 protected final CiVariable callRuntimeWithResult(CiRuntimeCall runtimeCall, LIRDebugInfo info, CiValue... args) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1180 CiVariable result = newVariable(runtimeCall.resultKind); |
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1181 CiValue location = callRuntime(runtimeCall, info, args); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1182 lir.move(location, result); |
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|
1183 return result; |
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|
1184 } |
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Pull over of compiler from maxine repository.
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diff
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|
1185 |
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|
1186 SwitchRange[] createLookupRanges(LookupSwitch x) { |
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|
1187 // we expect the keys to be sorted by increasing value |
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|
1188 List<SwitchRange> res = new ArrayList<SwitchRange>(x.numberOfCases()); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
1189 int len = x.numberOfCases(); |
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|
1190 if (len > 0) { |
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|
1191 BlockBegin defaultSux = x.defaultSuccessor(); |
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diff
changeset
|
1192 int key = x.keyAt(0); |
2602
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2600
diff
changeset
|
1193 BlockBegin sux = x.blockSuccessor(0); |
2507
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1194 SwitchRange range = new SwitchRange(key, sux); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1195 for (int i = 1; i < len; i++) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1196 int newKey = x.keyAt(i); |
2602
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2600
diff
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|
1197 BlockBegin newSux = x.blockSuccessor(i); |
2507
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
1198 if (key + 1 == newKey && sux == newSux) { |
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diff
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|
1199 // still in same range |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
1200 range.highKey = newKey; |
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Pull over of compiler from maxine repository.
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diff
changeset
|
1201 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
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diff
changeset
|
1202 // skip tests which explicitly dispatch to the default |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1203 if (range.sux != defaultSux) { |
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parents:
diff
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|
1204 res.add(range); |
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diff
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|
1205 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
1206 range = new SwitchRange(newKey, newSux); |
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diff
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|
1207 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1208 key = newKey; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1209 sux = newSux; |
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diff
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|
1210 } |
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changeset
|
1211 if (res.size() == 0 || res.get(res.size() - 1) != range) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1212 res.add(range); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1213 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1214 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
1215 return res.toArray(new SwitchRange[res.size()]); |
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parents:
diff
changeset
|
1216 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1217 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
1218 SwitchRange[] createLookupRanges(TableSwitch x) { |
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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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|
1219 // XXX: try to merge this with the code for LookupSwitch |
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parents:
diff
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|
1220 List<SwitchRange> res = new ArrayList<SwitchRange>(x.numberOfCases()); |
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parents:
diff
changeset
|
1221 int len = x.numberOfCases(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1222 if (len > 0) { |
2602
0c6564c254af
new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents:
2600
diff
changeset
|
1223 BlockBegin sux = x.blockSuccessor(0); |
2507
9ec15d6914ca
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parents:
diff
changeset
|
1224 int key = x.lowKey(); |
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parents:
diff
changeset
|
1225 BlockBegin defaultSux = x.defaultSuccessor(); |
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parents:
diff
changeset
|
1226 SwitchRange range = new SwitchRange(key, sux); |
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parents:
diff
changeset
|
1227 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
|
1228 BlockBegin newSux = x.blockSuccessor(i); |
2507
9ec15d6914ca
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parents:
diff
changeset
|
1229 if (sux == newSux) { |
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parents:
diff
changeset
|
1230 // still in same range |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1231 range.highKey = key; |
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parents:
diff
changeset
|
1232 } else { |
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parents:
diff
changeset
|
1233 // skip tests which explicitly dispatch to the default |
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parents:
diff
changeset
|
1234 if (sux != defaultSux) { |
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parents:
diff
changeset
|
1235 res.add(range); |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
1236 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1237 range = new SwitchRange(key, 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 sux = newSux; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1240 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1241 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
|
1242 res.add(range); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1243 } |
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 return res.toArray(new SwitchRange[res.size()]); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1246 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1247 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1248 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
|
1249 if (C1XOptions.TraceLIRGeneratorLevel >= 2) { |
b129b7da1397
Some fixes around LIRGenerator / frame state. New option C1X:TraceLIRGeneratorLevel
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2622
diff
changeset
|
1250 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
|
1251 } |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1252 currentInstruction = instr; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1253 assert !instr.hasSubst() : "shouldn't have missed substitution"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1254 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1255 if (C1XOptions.TraceLIRVisit) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1256 TTY.println("Visiting " + instr); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1257 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1258 instr.accept(this); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1259 if (C1XOptions.TraceLIRVisit) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1260 TTY.println("Operand for " + instr + " = " + instr.operand()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1261 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1262 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1263 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1264 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
|
1265 if (isTwoOperand && leftOp != resultOp) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1266 assert rightOp != resultOp : "malformed"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1267 lir.move(leftOp, resultOp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1268 leftOp = resultOp; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1269 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1270 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1271 switch (code) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1272 case IAND: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1273 case LAND: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1274 lir.logicalAnd(leftOp, rightOp, resultOp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1275 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1276 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1277 case IOR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1278 case LOR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1279 lir.logicalOr(leftOp, rightOp, resultOp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1280 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1281 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1282 case IXOR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1283 case LXOR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1284 lir.logicalXor(leftOp, rightOp, resultOp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1285 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1286 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1287 default: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1288 Util.shouldNotReachHere(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1289 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1290 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1291 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1292 void moveToPhi(PhiResolver resolver, Value curVal, Value suxVal) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1293 // move current value to referenced phi function |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1294 if (suxVal instanceof Phi) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1295 Phi phi = (Phi) suxVal; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1296 // 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
|
1297 if (!phi.isDeadPhi() && curVal != null && curVal != phi) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1298 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
|
1299 if (curVal instanceof Phi) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1300 operandForPhi((Phi) curVal); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1301 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1302 CiValue operand = curVal.operand(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1303 if (operand.isIllegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1304 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
|
1305 operand = operandForInstruction(curVal); |
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 resolver.move(operand, operandForPhi(phi)); |
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 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1310 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1311 |
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
|
1312 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
|
1313 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
|
1314 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
|
1315 } |
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
|
1316 |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1317 protected void moveToPhi(FrameState curState) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1318 // Moves all stack values into their phi position |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1319 BlockBegin bb = currentBlock; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1320 if (bb.numberOfSux() == 1) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1321 BlockBegin sux = bb.suxAt(0); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1322 assert sux.numberOfPreds() > 0 : "invalid CFG"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1323 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1324 // 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
|
1325 if (sux.numberOfPreds() > 1) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1326 PhiResolver resolver = new PhiResolver(this); |
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 FrameState suxState = sux.stateBefore(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1329 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1330 for (int index = 0; index < suxState.stackSize(); index++) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1331 moveToPhi(resolver, curState.stackAt(index), suxState.stackAt(index)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1332 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1333 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1334 for (int index = 0; index < suxState.localsSize(); index++) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1335 moveToPhi(resolver, curState.localAt(index), suxState.localAt(index)); |
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 resolver.dispose(); |
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 |
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 * Creates a new {@linkplain CiVariable variable}. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1344 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1345 * @param kind the kind of the variable |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1346 * @return a new variable |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1347 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1348 public CiVariable newVariable(CiKind kind) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1349 return operands.newVariable(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1350 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1351 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1352 CiValue operandForInstruction(Value x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1353 CiValue operand = x.operand(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1354 if (operand.isIllegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1355 if (x instanceof Constant) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1356 x.setOperand(x.asConstant()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1357 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1358 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
|
1359 // allocate a variable for this local or phi |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1360 createResultVariable(x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1361 } |
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 return x.operand(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1364 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1365 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1366 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
|
1367 assert !phi.isDeadPhi(); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1368 if (phi.operand().isIllegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1369 // allocate a variable for this phi |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1370 CiVariable operand = newVariable(phi.kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1371 setResult(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 return phi.operand(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1374 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1375 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1376 protected void postGCWriteBarrier(CiValue addr, CiValue newVal) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1377 XirSnippet writeBarrier = xir.genWriteBarrier(toXirArgument(addr)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1378 if (writeBarrier != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1379 emitXir(writeBarrier, null, null, null, false); |
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 } |
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 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
|
1384 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1385 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1386 protected void setNoResult(Instruction x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1387 x.clearOperand(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1388 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1389 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1390 protected CiValue setResult(Value x, CiVariable operand) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1391 x.setOperand(operand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1392 if (C1XOptions.DetailedAsserts) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1393 operands.recordResult(operand, x); |
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 return operand; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1396 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1397 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1398 protected void 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
|
1399 if (isTwoOperand && value != resultOp) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1400 assert count != resultOp : "malformed"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1401 lir.move(value, resultOp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1402 value = resultOp; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1403 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1404 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1405 assert count.isConstant() || count.isVariableOrRegister(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1406 switch (code) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1407 case ISHL: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1408 case LSHL: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1409 lir.shiftLeft(value, count, resultOp, tmp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1410 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1411 case ISHR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1412 case LSHR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1413 lir.shiftRight(value, count, resultOp, tmp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1414 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1415 case IUSHR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1416 case LUSHR: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1417 lir.unsignedShiftRight(value, count, resultOp, tmp); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1418 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1419 default: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1420 Util.shouldNotReachHere(); |
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 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1423 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1424 protected void walkState(Instruction x, FrameState state) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1425 if (state == null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1426 return; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1427 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1428 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
|
1429 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
|
1430 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
|
1431 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
|
1432 } |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1433 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1434 FrameState s = state; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1435 int bci = x.bci(); |
2564
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1436 if (bci == Instruction.SYNCHRONIZATION_ENTRY_BCI) { |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1437 assert x instanceof ExceptionObject || |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1438 x instanceof Throw || |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1439 x instanceof MonitorEnter || |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1440 x instanceof MonitorExit : x + ", " + x.getClass(); |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1441 } |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1442 |
2564
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1443 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
|
1444 final Value value = s.localAt(index); |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1445 if (value != null) { |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1446 if (!value.isIllegal()) { |
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2546
diff
changeset
|
1447 walkStateValue(value); |
2507
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 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1452 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1453 private void walkStateValue(Value value) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1454 if (value != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1455 assert !value.hasSubst() : "missed substitution"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1456 if (value instanceof Phi && !value.isIllegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1457 // phi's are special |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1458 operandForPhi((Phi) value); |
2515
4fdef1464592
Removed extended bytecodes and related HIR instructions.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2509
diff
changeset
|
1459 } else if (value.operand().isIllegal()) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1460 // instruction doesn't have an operand yet |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1461 CiValue operand = makeOperand(value); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1462 assert operand.isLegal() : "must be evaluated now"; |
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 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1466 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1467 protected LIRDebugInfo maybeStateFor(Instruction x) { |
2628
569228710be8
More FrameState work
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2623
diff
changeset
|
1468 if (x.stateAfter() == null) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1469 return null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1470 } |
2628
569228710be8
More FrameState work
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2623
diff
changeset
|
1471 return stateFor(x, x.stateAfter()); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1472 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1473 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1474 protected LIRDebugInfo stateFor(Instruction x) { |
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
|
1475 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
|
1476 return stateFor(x, lastState); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1477 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1478 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1479 protected LIRDebugInfo stateFor(Instruction x, FrameState state) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1480 if (compilation.placeholderState != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1481 state = compilation.placeholderState; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1482 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1483 |
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
|
1484 assert state != null; |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1485 return new LIRDebugInfo(state, x.exceptionHandlers()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1486 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1487 |
2596
1c36b17f7ee0
new node layout: AccessMonitor, Invoke
Lukas Stadler <lukas.stadler@jku.at>
parents:
2581
diff
changeset
|
1488 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
|
1489 // 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
|
1490 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
|
1491 int j = 0; |
2596
1c36b17f7ee0
new node layout: AccessMonitor, Invoke
Lukas Stadler <lukas.stadler@jku.at>
parents:
2581
diff
changeset
|
1492 for (int i = 0; i < x.argumentCount(); i++) { |
1c36b17f7ee0
new node layout: AccessMonitor, Invoke
Lukas Stadler <lukas.stadler@jku.at>
parents:
2581
diff
changeset
|
1493 Value arg = x.argument(i); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1494 if (arg != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1495 CiValue operand = cc.locations[j++]; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1496 if (operand.isRegister()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1497 force(arg, operand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1498 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1499 LIRItem param = new LIRItem(arg, this); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1500 assert operand.isStackSlot(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1501 CiStackSlot slot = (CiStackSlot) operand; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1502 assert !slot.inCallerFrame(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1503 param.loadForStore(slot.kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1504 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
|
1505 lir.unalignedMove(param.result(), slot); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1506 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1507 lir.move(param.result(), slot); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1508 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1509 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1510 if (arg.kind == CiKind.Object && pointerSlots != null) { |
2596
1c36b17f7ee0
new node layout: AccessMonitor, Invoke
Lukas Stadler <lukas.stadler@jku.at>
parents:
2581
diff
changeset
|
1511 // 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
|
1512 pointerSlots.add(slot); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1513 } |
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 argList.add(operand); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1516 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1517 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1518 return argList; |
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 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1521 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1522 * 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
|
1523 * for storing the result of an instruction. |
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 * @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
|
1526 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1527 protected CiValue makeOperand(Value instruction) { |
2537
4a016ff4d2df
Clean up on LIRGenerator and related.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2532
diff
changeset
|
1528 if (instruction == null) { |
4a016ff4d2df
Clean up on LIRGenerator and related.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2532
diff
changeset
|
1529 return CiValue.IllegalValue; |
4a016ff4d2df
Clean up on LIRGenerator and related.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2532
diff
changeset
|
1530 } |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1531 CiValue operand = instruction.operand(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1532 if (operand.isIllegal()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1533 if (instruction instanceof Phi) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1534 // 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
|
1535 operand = operandForPhi((Phi) instruction); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1536 } else if (instruction instanceof Constant) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1537 operand = operandForInstruction(instruction); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1538 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1539 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1540 // 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
|
1541 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
|
1542 return operand; |
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 |
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 * 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
|
1547 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1548 * @param kind the kind of value being returned |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1549 * @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
|
1550 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1551 protected CiValue resultOperandFor(CiKind kind) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1552 if (kind == CiKind.Void) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1553 return IllegalValue; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1554 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1555 CiRegister returnRegister = compilation.registerConfig.getReturnRegister(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1556 return returnRegister.asValue(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1557 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1558 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1559 protected XirSupport site(Value x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1560 return xirSupport.site(x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1561 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1562 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1563 public void maybePrintCurrentInstruction() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1564 if (currentInstruction != null && lastInstructionPrinted != currentInstruction) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1565 lastInstructionPrinted = currentInstruction; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1566 InstructionPrinter ip = new InstructionPrinter(TTY.out()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1567 ip.printInstructionListing(currentInstruction); |
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 } |
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 canInlineAsConstant(Value i); |
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 canStoreAsConstant(Value i, CiKind kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1574 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1575 protected abstract boolean 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
|
1576 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1577 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
|
1578 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1579 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
|
1580 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1581 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
|
1582 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1583 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1584 * Implements site-specific information for the XIR interface. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1585 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1586 static class XirSupport implements XirSite { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1587 Value current; |
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 XirSupport() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1590 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1591 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1592 public CiCodePos getCodePos() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1593 // 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
|
1594 return null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1595 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1596 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1597 public boolean isNonNull(XirArgument argument) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1598 if (argument.constant == null && argument.object instanceof LIRItem) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1599 // check the flag on the original value |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1600 return ((LIRItem) argument.object).instruction.isNonNull(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1601 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1602 return false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1603 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1604 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1605 public boolean requiresNullCheck() { |
2545
bb050fe2901d
Fixed regression wrt write barriers.
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1606 return current == null || current.canTrap(); |
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1607 } |
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1608 |
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1609 public boolean requiresBoundsCheck() { |
2541
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More Value.Flag clean up.
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1610 return true; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1611 } |
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1612 |
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1613 public boolean requiresReadBarrier() { |
2545
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Fixed regression wrt write barriers.
Thomas Wuerthinger <thomas@wuerthinger.net>
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1614 return current == null || true; |
2507
9ec15d6914ca
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1615 } |
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1616 |
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1617 public boolean requiresWriteBarrier() { |
2545
bb050fe2901d
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1618 return current == null || true; |
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1619 } |
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1620 |
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1621 public boolean requiresArrayStoreCheck() { |
2541
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1622 return true; |
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1623 } |
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1624 |
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1625 public RiType getApproximateType(XirArgument argument) { |
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1626 return current == null ? null : current.declaredType(); |
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1627 } |
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1628 |
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1629 public RiType getExactType(XirArgument argument) { |
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1630 return current == null ? null : current.exactType(); |
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1631 } |
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1632 |
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1633 XirSupport site(Value v) { |
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1634 current = v; |
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1635 return this; |
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1636 } |
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1637 |
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1638 @Override |
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1639 public String toString() { |
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1640 return "XirSupport<" + current + ">"; |
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1641 } |
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1642 |
2633 | 1643 |
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1644 } |
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1645 |
2630
c93adece95d2
Small clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
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1646 @Override |
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1647 public void visitFrameState(FrameState i) { |
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1648 // nothing to do for now |
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1649 } |
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1650 } |