Mercurial > hg > graal-jvmci-8
annotate graal/GraalCompiler/src/com/sun/c1x/graph/GraphBuilder.java @ 2543:c58a301eb2d7
Clean up on canTrap.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 27 Apr 2011 21:22:10 +0200 |
parents | 3fc322165071 |
children | 491896f81cae |
rev | line source |
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2507
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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.graph; |
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24 |
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25 import static com.sun.cri.bytecode.Bytecodes.*; |
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26 import static java.lang.reflect.Modifier.*; |
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27 |
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28 import java.lang.reflect.*; |
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29 import java.util.*; |
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30 |
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31 import com.sun.c1x.*; |
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32 import com.sun.c1x.debug.*; |
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33 import com.sun.c1x.graph.ScopeData.ReturnBlock; |
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34 import com.sun.c1x.ir.*; |
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35 import com.sun.c1x.opt.*; |
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36 import com.sun.c1x.util.*; |
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37 import com.sun.c1x.value.*; |
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38 import com.sun.cri.bytecode.*; |
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39 import com.sun.cri.ci.*; |
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40 import com.sun.cri.ri.*; |
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41 import com.sun.cri.ri.RiType.Representation; |
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42 |
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43 /** |
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44 * The {@code GraphBuilder} class parses the bytecode of a method and builds the IR graph. |
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45 * A number of optimizations may be performed during parsing of the bytecode, including value |
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46 * numbering, inlining, constant folding, strength reduction, etc. |
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47 * |
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48 * @author Ben L. Titzer |
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49 * @author Doug Simon |
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50 */ |
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51 public final class GraphBuilder { |
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52 |
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53 /** |
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54 * The minimum value to which {@link C1XOptions#TraceBytecodeParserLevel} must be set to trace |
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55 * the bytecode instructions as they are parsed. |
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56 */ |
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57 public static final int TRACELEVEL_INSTRUCTIONS = 1; |
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58 |
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59 /** |
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60 * The minimum value to which {@link C1XOptions#TraceBytecodeParserLevel} must be set to trace |
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61 * the frame state before each bytecode instruction as it is parsed. |
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62 */ |
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63 public static final int TRACELEVEL_STATE = 2; |
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64 |
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65 final IR ir; |
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66 final C1XCompilation compilation; |
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67 final CiStatistics stats; |
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68 |
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69 /** |
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70 * Map used to implement local value numbering for the current block. |
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71 */ |
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72 final ValueMap localValueMap; |
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73 |
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74 /** |
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75 * Map used for local load elimination (i.e. within the current block). |
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76 */ |
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77 final MemoryMap memoryMap; |
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78 |
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79 ScopeData scopeData; // Per-scope data; used for inlining |
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80 BlockBegin curBlock; // the current block |
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81 MutableFrameState curState; // the current execution state |
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82 Instruction lastInstr; // the last instruction added |
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83 final LogStream log; |
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84 |
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85 boolean skipBlock; // skip processing of the rest of this block |
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86 private Value rootMethodSynchronizedObject; |
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87 |
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88 /** |
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89 * Creates a new, initialized, {@code GraphBuilder} instance for a given compilation. |
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90 * |
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91 * @param compilation the compilation |
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92 * @param ir the IR to build the graph into |
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93 */ |
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94 public GraphBuilder(C1XCompilation compilation, IR ir) { |
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95 this.compilation = compilation; |
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96 this.ir = ir; |
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97 this.stats = compilation.stats; |
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98 this.memoryMap = C1XOptions.OptLocalLoadElimination ? new MemoryMap() : null; |
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99 this.localValueMap = C1XOptions.OptLocalValueNumbering ? new ValueMap() : null; |
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100 log = C1XOptions.TraceBytecodeParserLevel > 0 ? new LogStream(TTY.out()) : null; |
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101 } |
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102 |
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103 /** |
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104 * Builds the graph for a the specified {@code IRScope}. |
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105 * @param scope the top IRScope |
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106 */ |
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107 public void build(IRScope scope) { |
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108 RiMethod rootMethod = compilation.method; |
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109 |
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110 if (log != null) { |
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111 log.println(); |
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112 log.println("Compiling " + compilation.method); |
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113 } |
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114 |
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115 // 1. create the start block |
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116 ir.startBlock = new BlockBegin(0, ir.nextBlockNumber()); |
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117 BlockBegin startBlock = ir.startBlock; |
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118 |
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119 // 2. compute the block map and get the entrypoint(s) |
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120 BlockMap blockMap = compilation.getBlockMap(scope.method); |
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121 BlockBegin stdEntry = blockMap.get(0); |
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122 pushRootScope(scope, blockMap, startBlock); |
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123 MutableFrameState initialState = stateAtEntry(rootMethod); |
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124 startBlock.mergeOrClone(initialState); |
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125 BlockBegin syncHandler = null; |
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126 |
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127 // 3. setup internal state for appending instructions |
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128 curBlock = startBlock; |
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129 lastInstr = startBlock; |
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130 lastInstr.setNext(null, -1); |
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131 curState = initialState; |
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132 |
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133 if (isSynchronized(rootMethod.accessFlags())) { |
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134 // 4A.1 add a monitor enter to the start block |
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135 rootMethodSynchronizedObject = synchronizedObject(initialState, compilation.method); |
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136 genMonitorEnter(rootMethodSynchronizedObject, Instruction.SYNCHRONIZATION_ENTRY_BCI); |
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137 // 4A.2 finish the start block |
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138 finishStartBlock(startBlock, stdEntry); |
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139 |
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140 // 4A.3 setup an exception handler to unlock the root method synchronized object |
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141 syncHandler = new BlockBegin(Instruction.SYNCHRONIZATION_ENTRY_BCI, ir.nextBlockNumber()); |
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142 syncHandler.setExceptionEntry(); |
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143 syncHandler.setBlockFlag(BlockBegin.BlockFlag.IsOnWorkList); |
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144 syncHandler.setBlockFlag(BlockBegin.BlockFlag.DefaultExceptionHandler); |
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145 |
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146 ExceptionHandler h = new ExceptionHandler(new CiExceptionHandler(0, rootMethod.code().length, -1, 0, null)); |
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147 h.setEntryBlock(syncHandler); |
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148 scopeData.addExceptionHandler(h); |
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149 } else { |
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150 // 4B.1 simply finish the start block |
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151 finishStartBlock(startBlock, stdEntry); |
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152 } |
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153 |
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154 // 5. SKIPPED: look for intrinsics |
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155 |
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156 // 6B.1 do the normal parsing |
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157 scopeData.addToWorkList(stdEntry); |
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158 iterateAllBlocks(); |
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159 |
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160 if (syncHandler != null && syncHandler.stateBefore() != null) { |
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161 // generate unlocking code if the exception handler is reachable |
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162 fillSyncHandler(rootMethodSynchronizedObject, syncHandler, false); |
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163 } |
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164 } |
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165 |
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166 private void finishStartBlock(BlockBegin startBlock, BlockBegin stdEntry) { |
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167 assert curBlock == startBlock; |
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168 Base base = new Base(stdEntry); |
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169 appendWithoutOptimization(base, 0); |
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170 FrameState stateAfter = curState.immutableCopy(bci()); |
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171 base.setStateAfter(stateAfter); |
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172 startBlock.setEnd(base); |
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173 assert stdEntry.stateBefore() == null; |
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174 stdEntry.mergeOrClone(stateAfter); |
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175 } |
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176 |
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177 void pushRootScope(IRScope scope, BlockMap blockMap, BlockBegin start) { |
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178 BytecodeStream stream = new BytecodeStream(scope.method.code()); |
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179 RiConstantPool constantPool = compilation.runtime.getConstantPool(scope.method); |
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180 scopeData = new ScopeData(null, scope, blockMap, stream, constantPool); |
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181 curBlock = start; |
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182 } |
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183 |
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184 public boolean hasHandler() { |
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185 return scopeData.hasHandler(); |
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186 } |
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187 |
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188 public IRScope scope() { |
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189 return scopeData.scope; |
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190 } |
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191 |
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192 public IRScope rootScope() { |
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193 IRScope root = scope(); |
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194 while (root.caller != null) { |
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195 root = root.caller; |
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196 } |
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197 return root; |
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198 } |
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199 |
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200 public RiMethod method() { |
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201 return scopeData.scope.method; |
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202 } |
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203 |
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204 public BytecodeStream stream() { |
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205 return scopeData.stream; |
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206 } |
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207 |
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208 public int bci() { |
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209 return scopeData.stream.currentBCI(); |
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210 } |
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211 |
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212 public int nextBCI() { |
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213 return scopeData.stream.nextBCI(); |
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214 } |
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215 |
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216 private void ipush(Value x) { |
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217 curState.ipush(x); |
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218 } |
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219 |
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220 private void lpush(Value x) { |
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221 curState.lpush(x); |
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222 } |
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223 |
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224 private void fpush(Value x) { |
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225 curState.fpush(x); |
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226 } |
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227 |
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228 private void dpush(Value x) { |
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229 curState.dpush(x); |
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230 } |
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231 |
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232 private void apush(Value x) { |
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233 curState.apush(x); |
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234 } |
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235 |
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236 private void wpush(Value x) { |
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237 curState.wpush(x); |
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238 } |
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239 |
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240 private void push(CiKind kind, Value x) { |
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241 curState.push(kind, x); |
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242 } |
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243 |
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244 private void pushReturn(CiKind kind, Value x) { |
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245 if (kind != CiKind.Void) { |
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246 curState.push(kind.stackKind(), x); |
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247 } |
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248 } |
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249 |
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250 private Value ipop() { |
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251 return curState.ipop(); |
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252 } |
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253 |
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254 private Value lpop() { |
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255 return curState.lpop(); |
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256 } |
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257 |
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258 private Value fpop() { |
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259 return curState.fpop(); |
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260 } |
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261 |
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262 private Value dpop() { |
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263 return curState.dpop(); |
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264 } |
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265 |
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266 private Value apop() { |
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267 return curState.apop(); |
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268 } |
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269 |
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270 private Value wpop() { |
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271 return curState.wpop(); |
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272 } |
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273 |
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274 private Value pop(CiKind kind) { |
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275 return curState.pop(kind); |
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276 } |
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277 |
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278 private CiKind peekKind() { |
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279 Value top = curState.stackAt(curState.stackSize() - 1); |
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280 if (top == null) { |
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281 top = curState.stackAt(curState.stackSize() - 2); |
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282 assert top != null; |
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283 assert top.kind.isDoubleWord(); |
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284 } |
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285 return top.kind; |
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286 } |
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287 |
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288 private void loadLocal(int index, CiKind kind) { |
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289 push(kind, curState.loadLocal(index)); |
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290 } |
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291 |
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292 private void storeLocal(CiKind kind, int index) { |
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293 if (scopeData.parsingJsr()) { |
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294 // We need to do additional tracking of the location of the return |
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295 // address for jsrs since we don't handle arbitrary jsr/ret |
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296 // constructs. Here we are figuring out in which circumstances we |
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297 // need to bail out. |
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298 if (kind == CiKind.Object) { |
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299 // might be storing the JSR return address |
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300 Value x = curState.xpop(); |
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301 if (x.kind.isJsr()) { |
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302 setJsrReturnAddressLocal(index); |
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303 curState.storeLocal(index, x); |
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304 } else { |
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305 // nope, not storing the JSR return address |
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306 assert x.kind.isObject(); |
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307 curState.storeLocal(index, x); |
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308 overwriteJsrReturnAddressLocal(index); |
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309 } |
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310 return; |
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311 } else { |
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312 // not storing the JSR return address local, but might overwrite it |
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313 overwriteJsrReturnAddressLocal(index); |
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314 } |
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315 } |
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316 |
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317 curState.storeLocal(index, pop(kind)); |
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318 } |
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319 |
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320 private void overwriteJsrReturnAddressLocal(int index) { |
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321 if (index == scopeData.jsrEntryReturnAddressLocal()) { |
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322 scopeData.setJsrEntryReturnAddressLocal(-1); |
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323 } |
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324 } |
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325 |
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326 private void setJsrReturnAddressLocal(int index) { |
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327 scopeData.setJsrEntryReturnAddressLocal(index); |
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328 |
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329 // Also check parent jsrs (if any) at this time to see whether |
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330 // they are using this local. We don't handle skipping over a |
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331 // ret. |
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332 for (ScopeData cur = scopeData.parent; cur != null && cur.parsingJsr() && cur.scope == scope(); cur = cur.parent) { |
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333 if (cur.jsrEntryReturnAddressLocal() == index) { |
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334 throw new CiBailout("subroutine overwrites return address from previous subroutine"); |
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335 } |
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336 } |
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337 } |
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338 |
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339 List<ExceptionHandler> handleException(Instruction x, int bci) { |
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340 if (!hasHandler()) { |
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341 return Util.uncheckedCast(Collections.EMPTY_LIST); |
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342 } |
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343 |
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344 ArrayList<ExceptionHandler> exceptionHandlers = new ArrayList<ExceptionHandler>(); |
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345 ScopeData curScopeData = scopeData; |
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346 FrameState stateBefore = x.stateBefore(); |
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347 int scopeCount = 0; |
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348 |
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349 assert stateBefore != null : "exception handler state must be available for " + x; |
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350 FrameState state = stateBefore; |
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351 do { |
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352 assert curScopeData.scope == state.scope() : "scopes do not match"; |
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353 assert bci == Instruction.SYNCHRONIZATION_ENTRY_BCI || bci == curScopeData.stream.currentBCI() : "invalid bci"; |
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354 |
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355 // join with all potential exception handlers |
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356 List<ExceptionHandler> handlers = curScopeData.exceptionHandlers(); |
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357 if (handlers != null) { |
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358 for (ExceptionHandler handler : handlers) { |
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359 if (handler.covers(bci)) { |
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360 // if the handler covers this bytecode index, add it to the list |
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361 if (addExceptionHandler(exceptionHandlers, handler, curScopeData, state, scopeCount)) { |
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362 // if the handler was a default handler, we are done |
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363 return exceptionHandlers; |
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364 } |
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365 } |
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366 } |
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367 } |
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368 // pop the scope to the next IRScope level |
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369 // if parsing a JSR, skip scopes until the next IRScope level |
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370 IRScope curScope = curScopeData.scope; |
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371 while (curScopeData.parent != null && curScopeData.parent.scope == curScope) { |
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372 curScopeData = curScopeData.parent; |
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373 } |
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374 if (curScopeData.parent == null) { |
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375 // no more levels, done |
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376 break; |
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377 } |
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378 // there is another level, pop |
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379 state = state.callerState(); |
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380 bci = curScopeData.scope.callerBCI(); |
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381 curScopeData = curScopeData.parent; |
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382 scopeCount++; |
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383 |
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384 } while (true); |
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385 |
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386 return exceptionHandlers; |
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387 } |
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388 |
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389 /** |
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390 * Adds an exception handler to the {@linkplain BlockBegin#exceptionHandlerBlocks() list} |
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391 * of exception handlers for the {@link #curBlock current block}. |
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392 * |
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393 * @param exceptionHandlers |
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394 * @param handler |
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395 * @param curScopeData |
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396 * @param curState the current state with empty stack |
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397 * @param scopeCount |
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398 * @return {@code true} if handler catches all exceptions (i.e. {@code handler.isCatchAll() == true}) |
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399 */ |
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400 private boolean addExceptionHandler(ArrayList<ExceptionHandler> exceptionHandlers, ExceptionHandler handler, ScopeData curScopeData, FrameState curState, int scopeCount) { |
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401 compilation.setHasExceptionHandlers(); |
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402 |
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403 BlockBegin entry = handler.entryBlock(); |
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404 FrameState entryState = entry.stateBefore(); |
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405 |
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406 assert entry.bci() == handler.handler.handlerBCI(); |
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407 assert entry.bci() == -1 || entry == curScopeData.blockAt(entry.bci()) : "blocks must correspond"; |
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408 assert entryState == null || curState.locksSize() == entryState.locksSize() : "locks do not match"; |
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409 |
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410 // exception handler starts with an empty expression stack |
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411 curState = curState.immutableCopyWithEmptyStack(); |
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412 |
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413 entry.mergeOrClone(curState); |
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414 |
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415 // add current state for correct handling of phi functions |
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416 int phiOperand = entry.addExceptionState(curState); |
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417 |
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418 // add entry to the list of exception handlers of this block |
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419 curBlock.addExceptionHandler(entry); |
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420 |
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421 // add back-edge from exception handler entry to this block |
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422 if (!entry.predecessors().contains(curBlock)) { |
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423 entry.addPredecessor(curBlock); |
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424 } |
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425 |
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426 // clone exception handler |
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427 ExceptionHandler newHandler = new ExceptionHandler(handler); |
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428 newHandler.setPhiOperand(phiOperand); |
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429 newHandler.setScopeCount(scopeCount); |
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430 exceptionHandlers.add(newHandler); |
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431 |
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432 // fill in exception handler subgraph lazily |
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433 if (!entry.wasVisited()) { |
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434 curScopeData.addToWorkList(entry); |
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435 } else { |
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436 // This will occur for exception handlers that cover themselves. This code |
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437 // pattern is generated by javac for synchronized blocks. See the following |
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438 // for why this change to javac was made: |
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439 // |
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440 // http://www.cs.arizona.edu/projects/sumatra/hallofshame/java-async-race.html |
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441 } |
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442 |
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443 // stop when reaching catch all |
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444 return handler.isCatchAll(); |
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445 } |
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446 |
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447 void genLoadConstant(int cpi) { |
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448 Object con = constantPool().lookupConstant(cpi); |
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449 |
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450 if (con instanceof RiType) { |
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451 // this is a load of class constant which might be unresolved |
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452 RiType riType = (RiType) con; |
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453 if (!riType.isResolved() || C1XOptions.TestPatching) { |
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454 push(CiKind.Object, append(new ResolveClass(riType, RiType.Representation.JavaClass, null))); |
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455 } else { |
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456 push(CiKind.Object, append(new Constant(riType.getEncoding(Representation.JavaClass)))); |
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457 } |
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458 } else if (con instanceof CiConstant) { |
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459 CiConstant constant = (CiConstant) con; |
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460 push(constant.kind.stackKind(), appendConstant(constant)); |
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461 } else { |
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462 throw new Error("lookupConstant returned an object of incorrect type"); |
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463 } |
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464 } |
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465 |
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466 void genLoadIndexed(CiKind kind) { |
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467 FrameState stateBefore = curState.immutableCopy(bci()); |
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468 Value index = ipop(); |
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469 Value array = apop(); |
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470 Value length = null; |
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471 if (cseArrayLength(array)) { |
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472 length = append(new ArrayLength(array, stateBefore)); |
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473 } |
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474 Value v = append(new LoadIndexed(array, index, length, kind, stateBefore)); |
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475 push(kind.stackKind(), v); |
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476 } |
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477 |
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478 void genStoreIndexed(CiKind kind) { |
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479 FrameState stateBefore = curState.immutableCopy(bci()); |
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480 Value value = pop(kind.stackKind()); |
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481 Value index = ipop(); |
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482 Value array = apop(); |
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483 Value length = null; |
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484 if (cseArrayLength(array)) { |
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485 length = append(new ArrayLength(array, stateBefore)); |
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486 } |
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487 StoreIndexed result = new StoreIndexed(array, index, length, kind, value, stateBefore); |
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488 append(result); |
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489 if (memoryMap != null) { |
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490 memoryMap.storeValue(value); |
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491 } |
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492 } |
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493 |
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494 void stackOp(int opcode) { |
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495 switch (opcode) { |
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496 case POP: { |
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497 curState.xpop(); |
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498 break; |
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499 } |
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500 case POP2: { |
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501 curState.xpop(); |
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502 curState.xpop(); |
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503 break; |
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504 } |
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505 case DUP: { |
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506 Value w = curState.xpop(); |
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507 curState.xpush(w); |
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508 curState.xpush(w); |
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509 break; |
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510 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
511 case DUP_X1: { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
512 Value w1 = curState.xpop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
513 Value w2 = curState.xpop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
514 curState.xpush(w1); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
515 curState.xpush(w2); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
516 curState.xpush(w1); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
517 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
518 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
519 case DUP_X2: { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
520 Value w1 = curState.xpop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
521 Value w2 = curState.xpop(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
522 Value w3 = curState.xpop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
523 curState.xpush(w1); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
524 curState.xpush(w3); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
525 curState.xpush(w2); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
526 curState.xpush(w1); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
527 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
528 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
529 case DUP2: { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
530 Value w1 = curState.xpop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
531 Value w2 = curState.xpop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
532 curState.xpush(w2); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
533 curState.xpush(w1); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
534 curState.xpush(w2); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
535 curState.xpush(w1); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
536 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
537 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
538 case DUP2_X1: { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
539 Value w1 = curState.xpop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
540 Value w2 = curState.xpop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
541 Value w3 = curState.xpop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
542 curState.xpush(w2); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
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543 curState.xpush(w1); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
544 curState.xpush(w3); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
545 curState.xpush(w2); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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546 curState.xpush(w1); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
547 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
548 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
549 case DUP2_X2: { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
550 Value w1 = curState.xpop(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
551 Value w2 = curState.xpop(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
552 Value w3 = curState.xpop(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
553 Value w4 = curState.xpop(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
554 curState.xpush(w2); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
555 curState.xpush(w1); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
556 curState.xpush(w4); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
557 curState.xpush(w3); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
558 curState.xpush(w2); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
559 curState.xpush(w1); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
560 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
561 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
562 case SWAP: { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
563 Value w1 = curState.xpop(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
564 Value w2 = curState.xpop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
565 curState.xpush(w1); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
566 curState.xpush(w2); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
567 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
568 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
569 default: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
570 throw Util.shouldNotReachHere(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
571 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
572 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
573 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
574 |
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parents:
diff
changeset
|
575 void genArithmeticOp(CiKind kind, int opcode) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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576 genArithmeticOp(kind, opcode, null); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
577 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
578 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
579 void genArithmeticOp(CiKind kind, int opcode, FrameState state) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
580 genArithmeticOp(kind, opcode, kind, kind, state); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
581 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
582 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
583 void genArithmeticOp(CiKind result, int opcode, CiKind x, CiKind y, FrameState state) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
584 Value yValue = pop(y); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
585 Value xValue = pop(x); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
586 Value result1 = append(new ArithmeticOp(opcode, result, xValue, yValue, isStrict(method().accessFlags()), state)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
587 push(result, result1); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
588 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
589 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
590 void genNegateOp(CiKind kind) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
591 push(kind, append(new NegateOp(pop(kind)))); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
592 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
593 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
594 void genShiftOp(CiKind kind, int opcode) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
595 Value s = ipop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
596 Value x = pop(kind); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
597 // note that strength reduction of e << K >>> K is correctly handled in canonicalizer now |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
598 push(kind, append(new ShiftOp(opcode, x, s))); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
599 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
600 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
601 void genLogicOp(CiKind kind, int opcode) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
602 Value y = pop(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
603 Value x = pop(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
604 push(kind, append(new LogicOp(opcode, x, y))); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
605 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
606 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
607 void genCompareOp(CiKind kind, int opcode, CiKind resultKind) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
608 Value y = pop(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
609 Value x = pop(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
610 Value value = append(new CompareOp(opcode, resultKind, x, y)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
611 if (!resultKind.isVoid()) { |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
612 ipush(value); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
613 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
614 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
615 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
616 void genConvert(int opcode, CiKind from, CiKind to) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
617 CiKind tt = to.stackKind(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
618 push(tt, append(new Convert(opcode, pop(from.stackKind()), tt))); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
619 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
620 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
621 void genIncrement() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
622 int index = stream().readLocalIndex(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
623 int delta = stream().readIncrement(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
624 Value x = curState.localAt(index); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
625 Value y = append(Constant.forInt(delta)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
626 curState.storeLocal(index, append(new ArithmeticOp(IADD, CiKind.Int, x, y, isStrict(method().accessFlags()), null))); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
627 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
628 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
629 void genGoto(int fromBCI, int toBCI) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
630 boolean isSafepoint = !scopeData.noSafepoints() && toBCI <= fromBCI; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
631 append(new Goto(blockAt(toBCI), null, isSafepoint)); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
632 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
633 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
634 void ifNode(Value x, Condition cond, Value y, FrameState stateBefore) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
635 BlockBegin tsucc = blockAt(stream().readBranchDest()); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
636 BlockBegin fsucc = blockAt(stream().nextBCI()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
637 int bci = stream().currentBCI(); |
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638 boolean isSafepoint = !scopeData.noSafepoints() && tsucc.bci() <= bci || fsucc.bci() <= bci; |
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2534
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639 append(new If(x, cond, y, tsucc, fsucc, isSafepoint ? stateBefore : null, isSafepoint)); |
2507
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640 } |
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|
641 |
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642 void genIfZero(Condition cond) { |
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643 Value y = appendConstant(CiConstant.INT_0); |
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644 FrameState stateBefore = curState.immutableCopy(bci()); |
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645 Value x = ipop(); |
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646 ifNode(x, cond, y, stateBefore); |
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|
647 } |
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|
648 |
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649 void genIfNull(Condition cond) { |
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650 FrameState stateBefore = curState.immutableCopy(bci()); |
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651 Value y = appendConstant(CiConstant.NULL_OBJECT); |
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652 Value x = apop(); |
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653 ifNode(x, cond, y, stateBefore); |
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|
654 } |
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|
655 |
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656 void genIfSame(CiKind kind, Condition cond) { |
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657 FrameState stateBefore = curState.immutableCopy(bci()); |
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658 Value y = pop(kind); |
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659 Value x = pop(kind); |
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660 ifNode(x, cond, y, stateBefore); |
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661 } |
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|
662 |
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663 void genThrow(int bci) { |
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664 FrameState stateBefore = curState.immutableCopy(bci()); |
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665 Throw t = new Throw(apop(), stateBefore, !scopeData.noSafepoints()); |
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666 appendWithoutOptimization(t, bci); |
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667 } |
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|
668 |
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|
669 void genCheckCast() { |
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670 int cpi = stream().readCPI(); |
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671 RiType type = constantPool().lookupType(cpi, CHECKCAST); |
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672 boolean isInitialized = !C1XOptions.TestPatching && type.isResolved() && type.isInitialized(); |
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673 Value typeInstruction = genResolveClass(RiType.Representation.ObjectHub, type, isInitialized, cpi); |
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674 CheckCast c = new CheckCast(type, typeInstruction, apop(), null); |
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675 apush(append(c)); |
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|
676 checkForDirectCompare(c); |
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|
677 } |
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|
678 |
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|
679 void genInstanceOf() { |
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|
680 int cpi = stream().readCPI(); |
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681 RiType type = constantPool().lookupType(cpi, INSTANCEOF); |
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682 boolean isInitialized = !C1XOptions.TestPatching && type.isResolved() && type.isInitialized(); |
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683 Value typeInstruction = genResolveClass(RiType.Representation.ObjectHub, type, isInitialized, cpi); |
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684 InstanceOf i = new InstanceOf(type, typeInstruction, apop(), null); |
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685 ipush(append(i)); |
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diff
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|
686 checkForDirectCompare(i); |
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|
687 } |
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|
688 |
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689 private void checkForDirectCompare(TypeCheck check) { |
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690 RiType type = check.targetClass(); |
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691 if (!type.isResolved() || type.isArrayClass()) { |
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|
692 return; |
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diff
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|
693 } |
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|
694 } |
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|
695 |
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|
696 void genNewInstance(int cpi) { |
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697 FrameState stateBefore = curState.immutableCopy(bci()); |
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698 RiType type = constantPool().lookupType(cpi, NEW); |
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699 NewInstance n = new NewInstance(type, cpi, constantPool(), stateBefore); |
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700 if (memoryMap != null) { |
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|
701 memoryMap.newInstance(n); |
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|
702 } |
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|
703 apush(append(n)); |
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diff
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|
704 } |
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changeset
|
705 |
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diff
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|
706 void genNewTypeArray(int typeCode) { |
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diff
changeset
|
707 FrameState stateBefore = curState.immutableCopy(bci()); |
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diff
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|
708 CiKind kind = CiKind.fromArrayTypeCode(typeCode); |
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diff
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|
709 RiType elementType = compilation.runtime.asRiType(kind); |
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diff
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|
710 apush(append(new NewTypeArray(ipop(), elementType, stateBefore))); |
9ec15d6914ca
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diff
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|
711 } |
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diff
changeset
|
712 |
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diff
changeset
|
713 void genNewObjectArray(int cpi) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
714 RiType type = constantPool().lookupType(cpi, ANEWARRAY); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
715 FrameState stateBefore = curState.immutableCopy(bci()); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
716 NewArray n = new NewObjectArray(type, ipop(), stateBefore); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
717 apush(append(n)); |
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parents:
diff
changeset
|
718 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
719 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
720 void genNewMultiArray(int cpi) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
721 RiType type = constantPool().lookupType(cpi, MULTIANEWARRAY); |
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parents:
diff
changeset
|
722 FrameState stateBefore = curState.immutableCopy(bci()); |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
723 int rank = stream().readUByte(bci() + 3); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
724 Value[] dims = new Value[rank]; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
725 for (int i = rank - 1; i >= 0; i--) { |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
726 dims[i] = ipop(); |
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parents:
diff
changeset
|
727 } |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
728 NewArray n = new NewMultiArray(type, dims, stateBefore, cpi, constantPool()); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
729 apush(append(n)); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
730 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
731 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
732 void genGetField(int cpi, RiField field) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
733 // Must copy the state here, because the field holder must still be on the stack. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
734 FrameState stateBefore = curState.immutableCopy(bci()); |
2540
3fc322165071
More flags clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2538
diff
changeset
|
735 LoadField load = new LoadField(apop(), field, stateBefore); |
2507
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
736 appendOptimizedLoadField(field.kind(), load); |
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parents:
diff
changeset
|
737 } |
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diff
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|
738 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
739 void genPutField(int cpi, RiField field) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
740 // Must copy the state here, because the field holder must still be on the stack. |
9ec15d6914ca
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parents:
diff
changeset
|
741 FrameState stateBefore = curState.immutableCopy(bci()); |
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parents:
diff
changeset
|
742 Value value = pop(field.kind().stackKind()); |
2540
3fc322165071
More flags clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2538
diff
changeset
|
743 appendOptimizedStoreField(new StoreField(apop(), field, value, stateBefore)); |
2507
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diff
changeset
|
744 } |
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parents:
diff
changeset
|
745 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
746 void genGetStatic(int cpi, RiField field) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
747 RiType holder = field.holder(); |
2540
3fc322165071
More flags clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2538
diff
changeset
|
748 boolean isInitialized = !C1XOptions.TestPatching && field.isResolved(); |
2507
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
749 CiConstant constantValue = null; |
2533
c480605ef068
Removed canonicalizer.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2521
diff
changeset
|
750 if (isInitialized) { |
2507
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parents:
diff
changeset
|
751 constantValue = field.constantValue(null); |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
752 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
753 if (constantValue != null) { |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
754 push(constantValue.kind.stackKind(), appendConstant(constantValue)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
755 } else { |
2540
3fc322165071
More flags clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2538
diff
changeset
|
756 Value container = genResolveClass(RiType.Representation.StaticFields, holder, field.isResolved(), cpi); |
3fc322165071
More flags clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2538
diff
changeset
|
757 LoadField load = new LoadField(container, field, null); |
2507
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
758 appendOptimizedLoadField(field.kind(), load); |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
759 } |
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760 } |
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761 |
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762 void genPutStatic(int cpi, RiField field) { |
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763 RiType holder = field.holder(); |
2540
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764 Value container = genResolveClass(RiType.Representation.StaticFields, holder, field.isResolved(), cpi); |
2507
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765 Value value = pop(field.kind().stackKind()); |
2540
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More flags clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
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766 StoreField store = new StoreField(container, field, value, null); |
2507
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parents:
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767 appendOptimizedStoreField(store); |
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|
768 } |
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|
769 |
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|
770 private Value genResolveClass(RiType.Representation representation, RiType holder, boolean initialized, int cpi) { |
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771 Value holderInstr; |
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772 if (initialized) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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773 holderInstr = appendConstant(holder.getEncoding(representation)); |
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774 } else { |
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775 holderInstr = append(new ResolveClass(holder, representation, null)); |
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parents:
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776 } |
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777 return holderInstr; |
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778 } |
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changeset
|
779 |
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parents:
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780 private void appendOptimizedStoreField(StoreField store) { |
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781 if (memoryMap != null) { |
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782 StoreField previous = memoryMap.store(store); |
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783 if (previous == null) { |
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784 // the store is redundant, do not append |
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785 return; |
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786 } |
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787 } |
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788 append(store); |
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789 } |
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790 |
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791 private void appendOptimizedLoadField(CiKind kind, LoadField load) { |
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792 if (memoryMap != null) { |
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793 Value replacement = memoryMap.load(load); |
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changeset
|
794 if (replacement != load) { |
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parents:
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795 // the memory buffer found a replacement for this load (no need to append) |
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796 push(kind.stackKind(), replacement); |
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|
797 return; |
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|
798 } |
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|
799 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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changeset
|
800 // append the load to the instruction |
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diff
changeset
|
801 Value optimized = append(load); |
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|
802 if (memoryMap != null && optimized != load) { |
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diff
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803 // local optimization happened, replace its value in the memory map |
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parents:
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804 memoryMap.setResult(load, optimized); |
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|
805 } |
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changeset
|
806 push(kind.stackKind(), optimized); |
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|
807 } |
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|
808 |
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|
809 void genInvokeStatic(RiMethod target, int cpi, RiConstantPool constantPool) { |
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810 RiType holder = target.holder(); |
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811 boolean isInitialized = !C1XOptions.TestPatching && target.isResolved() && holder.isInitialized(); |
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parents:
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812 if (!isInitialized && C1XOptions.ResolveClassBeforeStaticInvoke) { |
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813 // Re-use the same resolution code as for accessing a static field. Even though |
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814 // the result of resolution is not used by the invocation (only the side effect |
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815 // of initialization is required), it can be commoned with static field accesses. |
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816 genResolveClass(RiType.Representation.StaticFields, holder, isInitialized, cpi); |
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817 } |
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|
818 |
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changeset
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819 Value[] args = curState.popArguments(target.signature().argumentSlots(false)); |
2533
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Removed canonicalizer.
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parents:
2521
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820 if (!tryInline(target, args)) { |
2538
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Clean up on Value class and LIRGenerator/LIRItem-related things.
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2537
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821 appendInvoke(INVOKESTATIC, target, args, cpi, constantPool); |
2507
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822 } |
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823 } |
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|
824 |
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825 void genInvokeInterface(RiMethod target, int cpi, RiConstantPool constantPool) { |
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826 Value[] args = curState.popArguments(target.signature().argumentSlots(true)); |
2533
c480605ef068
Removed canonicalizer.
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2521
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|
827 |
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parents:
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|
828 genInvokeIndirect(INVOKEINTERFACE, target, args, cpi, constantPool); |
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829 |
2507
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830 } |
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|
831 |
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832 void genInvokeVirtual(RiMethod target, int cpi, RiConstantPool constantPool) { |
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changeset
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833 Value[] args = curState.popArguments(target.signature().argumentSlots(true)); |
2533
c480605ef068
Removed canonicalizer.
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2521
diff
changeset
|
834 genInvokeIndirect(INVOKEVIRTUAL, target, args, cpi, constantPool); |
c480605ef068
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2521
diff
changeset
|
835 |
2507
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diff
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|
836 } |
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diff
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|
837 |
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diff
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838 void genInvokeSpecial(RiMethod target, RiType knownHolder, int cpi, RiConstantPool constantPool) { |
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diff
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|
839 Value[] args = curState.popArguments(target.signature().argumentSlots(true)); |
2533
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2521
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|
840 invokeDirect(target, args, knownHolder, cpi, constantPool); |
c480605ef068
Removed canonicalizer.
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parents:
2521
diff
changeset
|
841 |
2507
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|
842 } |
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|
843 |
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|
844 /** |
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parents:
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845 * Temporary work-around to support the @ACCESSOR Maxine annotation. |
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846 */ |
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|
847 private static final Class<?> Accessor; |
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|
848 static { |
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|
849 Class<?> c = null; |
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|
850 try { |
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851 c = Class.forName("com.sun.max.unsafe.Accessor"); |
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852 } catch (ClassNotFoundException e) { |
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|
853 } |
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diff
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|
854 Accessor = c; |
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diff
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|
855 } |
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changeset
|
856 |
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diff
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|
857 /** |
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|
858 * Temporary work-around to support the @ACCESSOR Maxine annotation. |
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parents:
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|
859 */ |
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|
860 private static ThreadLocal<RiType> boundAccessor = new ThreadLocal<RiType>(); |
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diff
changeset
|
861 |
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diff
changeset
|
862 /** |
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diff
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|
863 * Temporary work-around to support the @ACCESSOR Maxine annotation. |
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|
864 */ |
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changeset
|
865 private static RiMethod bindAccessorMethod(RiMethod target) { |
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866 if (Accessor != null && target.isResolved() && target.holder().javaClass() == Accessor) { |
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diff
changeset
|
867 RiType accessor = boundAccessor.get(); |
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|
868 assert accessor != null : "Cannot compile call to method in " + target.holder() + " without enclosing @ACCESSOR annotated method"; |
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changeset
|
869 RiMethod newTarget = accessor.resolveMethodImpl(target); |
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|
870 assert target != newTarget : "Could not bind " + target + " to a method in " + accessor; |
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|
871 target = newTarget; |
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parents:
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|
872 } |
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|
873 return target; |
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|
874 } |
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|
875 |
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|
876 private void genInvokeIndirect(int opcode, RiMethod target, Value[] args, int cpi, RiConstantPool constantPool) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
877 Value receiver = args[0]; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
878 // attempt to devirtualize the call |
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diff
changeset
|
879 if (target.isResolved()) { |
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parents:
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|
880 RiType klass = target.holder(); |
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changeset
|
881 |
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parents:
diff
changeset
|
882 // 0. check for trivial cases |
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changeset
|
883 if (target.canBeStaticallyBound() && !isAbstract(target.accessFlags())) { |
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diff
changeset
|
884 // check for trivial cases (e.g. final methods, nonvirtual methods) |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
885 invokeDirect(target, args, target.holder(), cpi, constantPool); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
886 return; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
887 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
888 // 1. check if the exact type of the receiver can be determined |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
889 RiType exact = getExactType(klass, receiver); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
890 if (exact != null && exact.isResolved()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
891 // either the holder class is exact, or the receiver object has an exact type |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
892 invokeDirect(exact.resolveMethodImpl(target), args, exact, cpi, constantPool); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
893 return; |
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 // 2. check if an assumed leaf method can be found |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
896 RiMethod leaf = getAssumedLeafMethod(target, receiver); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
897 if (leaf != null && leaf.isResolved() && !isAbstract(leaf.accessFlags()) && leaf.holder().isResolved()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
898 if (C1XOptions.PrintAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
899 TTY.println("Optimistic invoke direct because of leaf method to " + leaf); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
900 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
901 invokeDirect(leaf, args, null, cpi, constantPool); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
902 return; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
903 } else if (C1XOptions.PrintAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
904 TTY.println("Could not make leaf method assumption for target=" + target + " leaf=" + leaf + " receiver.declaredType=" + receiver.declaredType()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
905 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
906 // 3. check if the either of the holder or declared type of receiver can be assumed to be a leaf |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
907 exact = getAssumedLeafType(klass, receiver); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
908 if (exact != null && exact.isResolved()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
909 RiMethod targetMethod = exact.resolveMethodImpl(target); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
910 if (C1XOptions.PrintAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
911 TTY.println("Optimistic invoke direct because of leaf type to " + targetMethod); |
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 // either the holder class is exact, or the receiver object has an exact type |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
914 invokeDirect(targetMethod, args, exact, cpi, constantPool); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
915 return; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
916 } else if (C1XOptions.PrintAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
917 TTY.println("Could not make leaf type assumption for type " + klass); |
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 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
920 // devirtualization failed, produce an actual invokevirtual |
2538
e1ba5a93e997
Clean up on Value class and LIRGenerator/LIRItem-related things.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2537
diff
changeset
|
921 appendInvoke(opcode, target, args, cpi, constantPool); |
2507
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 CiKind returnKind(RiMethod target) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
925 return target.signature().returnKind(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
926 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
927 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
928 private void invokeDirect(RiMethod target, Value[] args, RiType knownHolder, int cpi, RiConstantPool constantPool) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
929 if (!tryInline(target, args)) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
930 // could not optimize or inline the method call |
2538
e1ba5a93e997
Clean up on Value class and LIRGenerator/LIRItem-related things.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2537
diff
changeset
|
931 appendInvoke(INVOKESPECIAL, target, args, cpi, constantPool); |
2507
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 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
934 |
2538
e1ba5a93e997
Clean up on Value class and LIRGenerator/LIRItem-related things.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2537
diff
changeset
|
935 private void appendInvoke(int opcode, RiMethod target, Value[] args, int cpi, RiConstantPool constantPool) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
936 CiKind resultType = returnKind(target); |
2538
e1ba5a93e997
Clean up on Value class and LIRGenerator/LIRItem-related things.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2537
diff
changeset
|
937 Value result = append(new Invoke(opcode, resultType.stackKind(), args, target, target.signature().returnType(compilation.method.holder()), null)); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
938 pushReturn(resultType, result); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
939 } |
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 private RiType getExactType(RiType staticType, Value receiver) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
942 RiType exact = staticType.exactType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
943 if (exact == null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
944 exact = receiver.exactType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
945 if (exact == null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
946 if (receiver.isConstant()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
947 exact = compilation.runtime.getTypeOf(receiver.asConstant()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
948 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
949 if (exact == null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
950 RiType declared = receiver.declaredType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
951 exact = declared == null || !declared.isResolved() ? null : declared.exactType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
952 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
953 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
954 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
955 return exact; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
956 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
957 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
958 private RiType getAssumedLeafType(RiType type) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
959 if (isFinal(type.accessFlags())) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
960 return type; |
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 RiType assumed = null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
963 if (C1XOptions.UseAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
964 assumed = type.uniqueConcreteSubtype(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
965 if (assumed != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
966 if (C1XOptions.PrintAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
967 TTY.println("Recording concrete subtype assumption in context of " + type.name() + ": " + assumed.name()); |
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 compilation.assumptions.recordConcreteSubtype(type, assumed); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
970 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
971 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
972 return assumed; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
973 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
974 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
975 private RiType getAssumedLeafType(RiType staticType, Value receiver) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
976 RiType assumed = getAssumedLeafType(staticType); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
977 if (assumed != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
978 return assumed; |
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 RiType declared = receiver.declaredType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
981 if (declared != null && declared.isResolved()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
982 assumed = getAssumedLeafType(declared); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
983 return assumed; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
984 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
985 return null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
986 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
987 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
988 private RiMethod getAssumedLeafMethod(RiMethod target, Value receiver) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
989 RiMethod assumed = getAssumedLeafMethod(target); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
990 if (assumed != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
991 return assumed; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
992 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
993 RiType declared = receiver.declaredType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
994 if (declared != null && declared.isResolved() && !declared.isInterface()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
995 RiMethod impl = declared.resolveMethodImpl(target); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
996 if (impl != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
997 assumed = getAssumedLeafMethod(impl); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
998 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
999 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1000 return assumed; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1001 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1002 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1003 void callRegisterFinalizer() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1004 Value receiver = curState.loadLocal(0); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1005 RiType declaredType = receiver.declaredType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1006 RiType receiverType = declaredType; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1007 RiType exactType = receiver.exactType(); |
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1008 if (exactType == null && declaredType != null) { |
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1009 exactType = declaredType.exactType(); |
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1010 } |
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1011 if (exactType == null && receiver instanceof Local && ((Local) receiver).javaIndex() == 0) { |
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1012 // the exact type isn't known, but the receiver is parameter 0 => use holder |
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1013 receiverType = compilation.method.holder(); |
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1014 exactType = receiverType.exactType(); |
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|
1015 } |
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|
1016 boolean needsCheck = true; |
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1017 if (exactType != null) { |
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1018 // we have an exact type |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1019 needsCheck = exactType.hasFinalizer(); |
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1020 } else { |
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1021 // if either the declared type of receiver or the holder can be assumed to have no finalizers |
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1022 if (declaredType != null && !declaredType.hasFinalizableSubclass()) { |
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1023 if (compilation.recordNoFinalizableSubclassAssumption(declaredType)) { |
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1024 needsCheck = false; |
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|
1025 } |
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|
1026 } |
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|
1027 |
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1028 if (receiverType != null && !receiverType.hasFinalizableSubclass()) { |
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1029 if (compilation.recordNoFinalizableSubclassAssumption(receiverType)) { |
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1030 needsCheck = false; |
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|
1031 } |
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|
1032 } |
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|
1033 } |
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|
1034 |
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|
1035 if (needsCheck) { |
2519
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Removed intrinsics.
Thomas Wuerthinger <thomas@wuerthinger.net>
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2516
diff
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|
1036 // append a call to the finalizer registration |
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Removed intrinsics.
Thomas Wuerthinger <thomas@wuerthinger.net>
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2516
diff
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|
1037 append(new RegisterFinalizer(curState.loadLocal(0), curState.immutableCopy(bci()))); |
2507
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1038 C1XMetrics.InlinedFinalizerChecks++; |
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|
1039 } |
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|
1040 } |
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|
1041 |
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|
1042 void genReturn(Value x) { |
2519
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Removed intrinsics.
Thomas Wuerthinger <thomas@wuerthinger.net>
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2516
diff
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|
1043 if (method().isConstructor() && method().holder().superType() == null) { |
2507
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1044 callRegisterFinalizer(); |
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|
1045 } |
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|
1046 |
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|
1047 // If inlining, then returns become gotos to the continuation point. |
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1048 if (scopeData.continuation() != null) { |
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1049 if (isSynchronized(method().accessFlags())) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1050 // if the inlined method is synchronized, then the monitor |
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diff
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1051 // must be released before jumping to the continuation point |
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1052 Value object = curState.lockAt(0); |
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|
1053 if (object instanceof Instruction) { |
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|
1054 Instruction obj = (Instruction) object; |
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1055 if (!obj.isAppended()) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1056 appendWithoutOptimization(obj, Instruction.SYNCHRONIZATION_ENTRY_BCI); |
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changeset
|
1057 } |
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|
1058 } |
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|
1059 genMonitorExit(object, Instruction.SYNCHRONIZATION_ENTRY_BCI); |
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|
1060 } |
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|
1061 |
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|
1062 // empty stack for return value |
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diff
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|
1063 curState.truncateStack(0); |
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1064 if (x != null) { |
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1065 curState.push(x.kind, x); |
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|
1066 } |
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1067 Goto gotoCallee = new Goto(scopeData.continuation(), null, false); |
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|
1068 |
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1069 // ATTN: assumption: curState is not used further down, else add .immutableCopy() |
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1070 scopeData.updateSimpleInlineInfo(curBlock, lastInstr, curState); |
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|
1071 |
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1072 // State at end of inlined method is the state of the caller |
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1073 // without the method parameters on stack, including the |
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1074 // return value, if any, of the inlined method on operand stack. |
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1075 curState = scopeData.continuationState().copy(); |
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|
1076 if (x != null) { |
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1077 curState.push(x.kind, x); |
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|
1078 } |
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|
1079 |
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1080 // The current bci is in the wrong scope, so use the bci of the continuation point. |
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1081 appendWithoutOptimization(gotoCallee, scopeData.continuation().bci()); |
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|
1082 return; |
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|
1083 } |
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diff
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|
1084 |
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|
1085 curState.truncateStack(0); |
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1086 if (Modifier.isSynchronized(method().accessFlags())) { |
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|
1087 FrameState stateBefore = curState.immutableCopy(bci()); |
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|
1088 // unlock before exiting the method |
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1089 int lockNumber = curState.totalLocksSize() - 1; |
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|
1090 MonitorAddress lockAddress = null; |
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1091 if (compilation.runtime.sizeOfBasicObjectLock() != 0) { |
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1092 lockAddress = new MonitorAddress(lockNumber); |
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|
1093 append(lockAddress); |
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|
1094 } |
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|
1095 append(new MonitorExit(rootMethodSynchronizedObject, lockAddress, lockNumber, stateBefore)); |
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changeset
|
1096 curState.unlock(); |
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diff
changeset
|
1097 } |
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diff
changeset
|
1098 append(new Return(x, !scopeData.noSafepoints())); |
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changeset
|
1099 } |
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parents:
diff
changeset
|
1100 |
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diff
changeset
|
1101 /** |
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|
1102 * Gets the number of locks held. |
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|
1103 */ |
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|
1104 private int locksSize() { |
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|
1105 return curState.locksSize(); |
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|
1106 } |
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|
1107 |
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|
1108 void genMonitorEnter(Value x, int bci) { |
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|
1109 int lockNumber = locksSize(); |
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|
1110 MonitorAddress lockAddress = null; |
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|
1111 if (compilation.runtime.sizeOfBasicObjectLock() != 0) { |
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1112 lockAddress = new MonitorAddress(lockNumber); |
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|
1113 append(lockAddress); |
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|
1114 } |
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|
1115 MonitorEnter monitorEnter = new MonitorEnter(x, lockAddress, lockNumber, null); |
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|
1116 appendWithoutOptimization(monitorEnter, bci); |
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|
1117 curState.lock(scope(), x, lockNumber + 1); |
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1118 monitorEnter.setStateAfter(curState.immutableCopy(bci)); |
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|
1119 killMemoryMap(); // prevent any optimizations across synchronization |
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|
1120 } |
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|
1121 |
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|
1122 void genMonitorExit(Value x, int bci) { |
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1123 int lockNumber = curState.totalLocksSize() - 1; |
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1124 if (lockNumber < 0) { |
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1125 throw new CiBailout("monitor stack underflow"); |
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|
1126 } |
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|
1127 MonitorAddress lockAddress = null; |
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|
1128 if (compilation.runtime.sizeOfBasicObjectLock() != 0) { |
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changeset
|
1129 lockAddress = new MonitorAddress(lockNumber); |
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changeset
|
1130 append(lockAddress); |
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|
1131 } |
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changeset
|
1132 appendWithoutOptimization(new MonitorExit(x, lockAddress, lockNumber, null), bci); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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1133 curState.unlock(); |
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Pull over of compiler from maxine repository.
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|
1134 killMemoryMap(); // prevent any optimizations across synchronization |
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Pull over of compiler from maxine repository.
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1135 } |
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Pull over of compiler from maxine repository.
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|
1136 |
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Pull over of compiler from maxine repository.
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1137 void genJsr(int dest) { |
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Pull over of compiler from maxine repository.
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|
1138 for (ScopeData cur = scopeData; cur != null && cur.parsingJsr() && cur.scope == scope(); cur = cur.parent) { |
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Pull over of compiler from maxine repository.
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1139 if (cur.jsrEntryBCI() == dest) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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1140 // the jsr/ret pattern includes a recursive invocation |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1141 throw new CiBailout("recursive jsr/ret structure"); |
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Pull over of compiler from maxine repository.
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|
1142 } |
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Pull over of compiler from maxine repository.
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|
1143 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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1144 push(CiKind.Jsr, append(Constant.forJsr(nextBCI()))); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1145 tryInlineJsr(dest); |
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Pull over of compiler from maxine repository.
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|
1146 } |
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Pull over of compiler from maxine repository.
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|
1147 |
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Pull over of compiler from maxine repository.
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|
1148 void genRet(int localIndex) { |
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|
1149 if (!scopeData.parsingJsr()) { |
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Pull over of compiler from maxine repository.
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parents:
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|
1150 throw new CiBailout("ret encountered when not parsing subroutine"); |
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|
1151 } |
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Pull over of compiler from maxine repository.
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|
1152 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1153 if (localIndex != scopeData.jsrEntryReturnAddressLocal()) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1154 throw new CiBailout("jsr/ret structure is too complicated"); |
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Pull over of compiler from maxine repository.
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|
1155 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1156 // rets become non-safepoint gotos |
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Pull over of compiler from maxine repository.
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|
1157 append(new Goto(scopeData.jsrContinuation(), null, false)); |
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|
1158 } |
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|
1159 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1160 void genTableswitch() { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1161 int bci = bci(); |
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|
1162 BytecodeTableSwitch ts = new BytecodeTableSwitch(stream(), bci); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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1163 int max = ts.numberOfCases(); |
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Pull over of compiler from maxine repository.
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1164 List<BlockBegin> list = new ArrayList<BlockBegin>(max + 1); |
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Pull over of compiler from maxine repository.
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|
1165 boolean isBackwards = false; |
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|
1166 for (int i = 0; i < max; i++) { |
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Pull over of compiler from maxine repository.
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|
1167 // add all successors to the successor list |
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parents:
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|
1168 int offset = ts.offsetAt(i); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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1169 list.add(blockAt(bci + offset)); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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1170 isBackwards |= offset < 0; // track if any of the successors are backwards |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1171 } |
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Pull over of compiler from maxine repository.
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|
1172 int offset = ts.defaultOffset(); |
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Pull over of compiler from maxine repository.
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|
1173 isBackwards |= offset < 0; // if the default successor is backwards |
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Pull over of compiler from maxine repository.
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parents:
diff
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|
1174 list.add(blockAt(bci + offset)); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1175 boolean isSafepoint = isBackwards && !scopeData.noSafepoints(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1176 FrameState stateBefore = isSafepoint ? curState.immutableCopy(bci()) : null; |
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Pull over of compiler from maxine repository.
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|
1177 append(new TableSwitch(ipop(), list, ts.lowKey(), stateBefore, isSafepoint)); |
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|
1178 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1179 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
1180 void genLookupswitch() { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1181 int bci = bci(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1182 BytecodeLookupSwitch ls = new BytecodeLookupSwitch(stream(), bci); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1183 int max = ls.numberOfCases(); |
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Pull over of compiler from maxine repository.
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|
1184 List<BlockBegin> list = new ArrayList<BlockBegin>(max + 1); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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1185 int[] keys = new int[max]; |
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Pull over of compiler from maxine repository.
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changeset
|
1186 boolean isBackwards = false; |
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Pull over of compiler from maxine repository.
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diff
changeset
|
1187 for (int i = 0; i < max; i++) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1188 // add all successors to the successor list |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1189 int offset = ls.offsetAt(i); |
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Pull over of compiler from maxine repository.
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parents:
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|
1190 list.add(blockAt(bci + offset)); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1191 keys[i] = ls.keyAt(i); |
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Pull over of compiler from maxine repository.
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parents:
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|
1192 isBackwards |= offset < 0; // track if any of the successors are backwards |
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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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|
1193 } |
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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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|
1194 int offset = ls.defaultOffset(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1195 isBackwards |= offset < 0; // if the default successor is backwards |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1196 list.add(blockAt(bci + offset)); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1197 boolean isSafepoint = isBackwards && !scopeData.noSafepoints(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1198 FrameState stateBefore = isSafepoint ? curState.immutableCopy(bci()) : null; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1199 append(new LookupSwitch(ipop(), list, keys, stateBefore, isSafepoint)); |
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Pull over of compiler from maxine repository.
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parents:
diff
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|
1200 } |
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Pull over of compiler from maxine repository.
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diff
changeset
|
1201 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
1202 /** |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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changeset
|
1203 * Determines whether the length of an array should be extracted out as a separate instruction |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1204 * before an array indexing instruction. This exposes it to CSE. |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1205 * @param array |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1206 * @return |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
1207 */ |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1208 private boolean cseArrayLength(Value array) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1209 // checks whether an array length access should be generated for CSE |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1210 if (C1XOptions.OptCSEArrayLength) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1211 // always access the length for CSE |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1212 return true; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1213 } else if (array.isConstant()) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1214 // the array itself is a constant |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1215 return true; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1216 } else if (array instanceof LoadField && ((LoadField) array).constantValue() != null) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1217 // the length is derived from a constant array |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1218 return true; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1219 } else if (array instanceof NewArray) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1220 // the array is derived from an allocation |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1221 final Value length = ((NewArray) array).length(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1222 return length != null && length.isConstant(); |
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Pull over of compiler from maxine repository.
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parents:
diff
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|
1223 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1224 return false; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1225 } |
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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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|
1226 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
1227 private Value appendConstant(CiConstant type) { |
2533
c480605ef068
Removed canonicalizer.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2521
diff
changeset
|
1228 return appendWithBCI(new Constant(type), bci()); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
1229 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
1230 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
1231 private Value append(Instruction x) { |
2533
c480605ef068
Removed canonicalizer.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2521
diff
changeset
|
1232 return appendWithBCI(x, bci()); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
1233 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1234 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1235 private Value appendWithoutOptimization(Instruction x, int bci) { |
2533
c480605ef068
Removed canonicalizer.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2521
diff
changeset
|
1236 return appendWithBCI(x, bci); |
2507
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Pull over of compiler from maxine repository.
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diff
changeset
|
1237 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1238 |
2533
c480605ef068
Removed canonicalizer.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2521
diff
changeset
|
1239 private Value appendWithBCI(Instruction x, int bci) { |
2507
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1240 if (x.isAppended()) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1241 // the instruction has already been added |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
1242 return x; |
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Pull over of compiler from maxine repository.
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parents:
diff
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|
1243 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1244 if (localValueMap != null) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1245 // look in the local value map |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1246 Value r = localValueMap.findInsert(x); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1247 if (r != x) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1248 C1XMetrics.LocalValueNumberHits++; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1249 if (r instanceof Instruction) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1250 assert ((Instruction) r).isAppended() : "instruction " + r + "is not appended"; |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
1251 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1252 return r; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1253 } |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
1254 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1255 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1256 assert x.next() == null : "instruction should not have been appended yet"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1257 assert lastInstr.next() == null : "cannot append instruction to instruction which isn't end (" + lastInstr + "->" + lastInstr.next() + ")"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1258 if (lastInstr instanceof Base) { |
2519
f6125fb5bfbc
Removed intrinsics.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2516
diff
changeset
|
1259 assert false : "may only happen when inlining intrinsics"; |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1260 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1261 lastInstr = lastInstr.setNext(x, bci); |
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 if (++stats.nodeCount >= C1XOptions.MaximumInstructionCount) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1264 // bailout if we've exceeded the maximum inlining size |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1265 throw new CiBailout("Method and/or inlining is too large"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1266 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1267 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1268 if (memoryMap != null && hasUncontrollableSideEffects(x)) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1269 // conservatively kill all memory if there are unknown side effects |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1270 memoryMap.kill(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1271 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1272 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1273 if (x instanceof StateSplit) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1274 StateSplit stateSplit = (StateSplit) x; |
2543
c58a301eb2d7
Clean up on canTrap.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2540
diff
changeset
|
1275 if (stateSplit.stateBefore() == null) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1276 stateSplit.setStateBefore(curState.immutableCopy(bci)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1277 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1278 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1279 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1280 if (x.canTrap()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1281 // connect the instruction to any exception handlers |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1282 x.setExceptionHandlers(handleException(x, bci)); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1283 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1284 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1285 return x; |
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 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1288 private boolean hasUncontrollableSideEffects(Value x) { |
2519
f6125fb5bfbc
Removed intrinsics.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2516
diff
changeset
|
1289 return x instanceof Invoke || x instanceof ResolveClass; |
2507
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 private BlockBegin blockAtOrNull(int bci) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1293 return scopeData.blockAt(bci); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1294 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1295 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1296 private BlockBegin blockAt(int bci) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1297 BlockBegin result = blockAtOrNull(bci); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1298 assert result != null : "Expected a block to begin at " + bci; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1299 return result; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1300 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1301 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1302 boolean tryInlineJsr(int jsrStart) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1303 // start a new continuation point. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1304 // all ret instructions will be replaced with gotos to this point |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1305 BlockBegin cont = blockAt(nextBCI()); |
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 // push callee scope |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1308 pushScopeForJsr(cont, jsrStart); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1309 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1310 BlockBegin jsrStartBlock = blockAt(jsrStart); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1311 assert !jsrStartBlock.wasVisited(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1312 Goto gotoSub = new Goto(jsrStartBlock, null, false); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1313 gotoSub.setStateAfter(curState.immutableCopy(bci())); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1314 assert jsrStartBlock.stateBefore() == null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1315 jsrStartBlock.setStateBefore(curState.immutableCopy(bci())); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1316 append(gotoSub); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1317 curBlock.setEnd(gotoSub); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1318 lastInstr = curBlock = jsrStartBlock; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1319 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1320 scopeData.addToWorkList(jsrStartBlock); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1321 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1322 iterateAllBlocks(); |
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 if (cont.stateBefore() != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1325 if (!cont.wasVisited()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1326 scopeData.parent.addToWorkList(cont); |
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 } |
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 BlockBegin jsrCont = scopeData.jsrContinuation(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1331 assert jsrCont == cont && (!jsrCont.wasVisited() || jsrCont.isParserLoopHeader()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1332 assert lastInstr != null && lastInstr instanceof BlockEnd; |
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 // continuation is in work list, so end iteration of current block |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1335 skipBlock = true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1336 popScopeForJsr(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1337 C1XMetrics.InlinedJsrs++; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1338 return true; |
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 void pushScopeForJsr(BlockBegin jsrCont, int jsrStart) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1342 BytecodeStream stream = new BytecodeStream(scope().method.code()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1343 RiConstantPool constantPool = scopeData.constantPool; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1344 ScopeData data = new ScopeData(scopeData, scope(), scopeData.blockMap, stream, constantPool, jsrStart); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1345 BlockBegin continuation = scopeData.continuation(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1346 data.setContinuation(continuation); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1347 if (continuation != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1348 assert scopeData.continuationState() != null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1349 data.setContinuationState(scopeData.continuationState().copy()); |
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 data.setJsrContinuation(jsrCont); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1352 scopeData = data; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1353 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1354 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1355 void pushScope(RiMethod target, BlockBegin continuation) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1356 // prepare callee scope |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1357 IRScope calleeScope = new IRScope(scope(), curState.immutableCopy(bci()), target, -1); |
2516
a384fac3fd34
Removed anything OSR-related.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2515
diff
changeset
|
1358 BlockMap blockMap = compilation.getBlockMap(calleeScope.method); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1359 calleeScope.setStoresInLoops(blockMap.getStoresInLoops()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1360 // prepare callee state |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1361 curState = curState.pushScope(calleeScope); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1362 BytecodeStream stream = new BytecodeStream(target.code()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1363 RiConstantPool constantPool = compilation.runtime.getConstantPool(target); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1364 ScopeData data = new ScopeData(scopeData, calleeScope, blockMap, stream, constantPool); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1365 data.setContinuation(continuation); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1366 scopeData = data; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1367 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1368 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1369 MutableFrameState stateAtEntry(RiMethod method) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1370 MutableFrameState state = new MutableFrameState(scope(), -1, method.maxLocals(), method.maxStackSize()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
1371 int index = 0; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1372 if (!isStatic(method.accessFlags())) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1373 // add the receiver and assume it is non null |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1374 Local local = new Local(method.holder().kind(), index); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1375 local.setFlag(Value.Flag.NonNull, true); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1376 local.setDeclaredType(method.holder()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1377 state.storeLocal(index, local); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1378 index = 1; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1379 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1380 RiSignature sig = method.signature(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1381 int max = sig.argumentCount(false); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1382 RiType accessingClass = method.holder(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1383 for (int i = 0; i < max; i++) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1384 RiType type = sig.argumentTypeAt(i, accessingClass); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1385 CiKind kind = type.kind().stackKind(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1386 Local local = new Local(kind, index); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1387 if (type.isResolved()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1388 local.setDeclaredType(type); |
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 state.storeLocal(index, local); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1391 index += kind.sizeInSlots(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1392 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1393 return state; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1394 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1395 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1396 private boolean tryInline(RiMethod target, Value[] args) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1397 boolean forcedInline = compilation.runtime.mustInline(target); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1398 if (forcedInline) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1399 for (IRScope scope = scope().caller; scope != null; scope = scope.caller) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1400 if (scope.method.equals(target)) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1401 throw new CiBailout("Cannot recursively inline method that is force-inlined: " + target); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1402 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1403 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1404 C1XMetrics.InlineForcedMethods++; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1405 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1406 if (forcedInline || checkInliningConditions(target)) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1407 if (C1XOptions.TraceBytecodeParserLevel > 0) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1408 log.adjustIndentation(1); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1409 log.println("\\"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1410 log.adjustIndentation(1); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1411 if (C1XOptions.TraceBytecodeParserLevel < TRACELEVEL_STATE) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1412 log.println("| [inlining " + target + "]"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1413 log.println("|"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1414 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1415 } |
2515
4fdef1464592
Removed extended bytecodes and related HIR instructions.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2509
diff
changeset
|
1416 |
4fdef1464592
Removed extended bytecodes and related HIR instructions.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2509
diff
changeset
|
1417 inline(target, args, forcedInline); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1418 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1419 if (C1XOptions.TraceBytecodeParserLevel > 0) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1420 if (C1XOptions.TraceBytecodeParserLevel < TRACELEVEL_STATE) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1421 log.println("|"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1422 log.println("| [return to " + curState.scope().method + "]"); |
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 log.adjustIndentation(-1); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1425 log.println("/"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1426 log.adjustIndentation(-1); |
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 return true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1429 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1430 return false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1431 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1432 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1433 private boolean checkInliningConditions(RiMethod target) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1434 if (!C1XOptions.OptInline) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1435 return false; // all inlining is turned off |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1436 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1437 if (!target.isResolved()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1438 return cannotInline(target, "unresolved method"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1439 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1440 if (target.code() == null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1441 return cannotInline(target, "method has no code"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1442 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1443 if (!target.holder().isInitialized()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1444 return cannotInline(target, "holder is not initialized"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1445 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1446 if (recursiveInlineLevel(target) > C1XOptions.MaximumRecursiveInlineLevel) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1447 return cannotInline(target, "recursive inlining too deep"); |
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 if (target.code().length > scopeData.maxInlineSize()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1450 return cannotInline(target, "inlinee too large for this level"); |
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 if (scopeData.scope.level + 1 > C1XOptions.MaximumInlineLevel) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1453 return cannotInline(target, "inlining too deep"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1454 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1455 if (stats.nodeCount > C1XOptions.MaximumDesiredSize) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1456 return cannotInline(target, "compilation already too big " + "(" + compilation.stats.nodeCount + " nodes)"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1457 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1458 if (compilation.runtime.mustNotInline(target)) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1459 C1XMetrics.InlineForbiddenMethods++; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1460 return cannotInline(target, "inlining excluded by runtime"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1461 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1462 if (compilation.runtime.mustNotCompile(target)) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1463 return cannotInline(target, "compile excluded by runtime"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1464 } |
2534
4af63190ee3d
Prohibit inlining of synchronized and inlining of method with exception handlers (remove C1XOption).
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2533
diff
changeset
|
1465 if (isSynchronized(target.accessFlags())) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1466 return cannotInline(target, "is synchronized"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1467 } |
2534
4af63190ee3d
Prohibit inlining of synchronized and inlining of method with exception handlers (remove C1XOption).
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2533
diff
changeset
|
1468 if (target.exceptionHandlers().length != 0) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1469 return cannotInline(target, "has exception handlers"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1470 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1471 if (!target.hasBalancedMonitors()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1472 return cannotInline(target, "has unbalanced monitors"); |
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 if (target.isConstructor()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1475 if (compilation.runtime.isExceptionType(target.holder())) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1476 // don't inline constructors of throwable classes unless the inlining tree is |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1477 // rooted in a throwable class |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1478 if (!compilation.runtime.isExceptionType(rootScope().method.holder())) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1479 return cannotInline(target, "don't inline Throwable constructors"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1480 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1481 } |
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 return true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1484 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1485 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1486 private boolean cannotInline(RiMethod target, String reason) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1487 if (C1XOptions.PrintInliningFailures) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1488 TTY.println("Cannot inline " + target.toString() + " into " + compilation.method.toString() + " because of " + reason); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1489 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1490 return false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1491 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1492 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1493 private void inline(RiMethod target, Value[] args, boolean forcedInline) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1494 BlockBegin orig = curBlock; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1495 if (!forcedInline && !isStatic(target.accessFlags())) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1496 // the receiver object must be null-checked for instance methods |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1497 Value receiver = args[0]; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1498 if (!receiver.isNonNull() && !receiver.kind.isWord()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1499 NullCheck check = new NullCheck(receiver, null); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1500 args[0] = append(check); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1501 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1502 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1503 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1504 // Introduce a new callee continuation point. All return instructions |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1505 // in the callee will be transformed to Goto's to the continuation |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1506 BlockBegin continuationBlock = blockAtOrNull(nextBCI()); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1507 boolean continuationExisted = true; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1508 if (continuationBlock == null) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1509 // there was not already a block starting at the next BCI |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1510 continuationBlock = new BlockBegin(nextBCI(), ir.nextBlockNumber()); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1511 continuationBlock.setDepthFirstNumber(0); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1512 continuationExisted = false; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1513 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1514 // record the number of predecessors before inlining, to determine |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1515 // whether the inlined method has added edges to the continuation |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1516 int continuationPredecessors = continuationBlock.predecessors().size(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1517 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1518 // push the target scope |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1519 pushScope(target, continuationBlock); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1520 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1521 // pass parameters into the callee state |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1522 FrameState calleeState = curState; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1523 for (int i = 0; i < args.length; i++) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1524 Value arg = args[i]; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1525 if (arg != null) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1526 calleeState.storeLocal(i, arg); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1527 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1528 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1529 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1530 // setup state that is used at returns from the inlined method. |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1531 // this is essentially the state of the continuation block, |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1532 // but without the return value on the stack. |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1533 scopeData.setContinuationState(scope().callerState); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1534 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1535 Value lock = null; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1536 BlockBegin syncHandler = null; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1537 // inline the locking code if the target method is synchronized |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1538 if (Modifier.isSynchronized(target.accessFlags())) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1539 // lock the receiver object if it is an instance method, the class object otherwise |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1540 lock = synchronizedObject(curState, target); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1541 syncHandler = new BlockBegin(Instruction.SYNCHRONIZATION_ENTRY_BCI, ir.nextBlockNumber()); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1542 syncHandler.setNext(null, -1); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1543 inlineSyncEntry(lock, syncHandler); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1544 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1545 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1546 BlockBegin calleeStartBlock = blockAt(0); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1547 if (calleeStartBlock.isParserLoopHeader()) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1548 // the block is a loop header, so we have to insert a goto |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1549 Goto gotoCallee = new Goto(calleeStartBlock, null, false); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1550 gotoCallee.setStateAfter(curState.immutableCopy(bci())); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1551 appendWithoutOptimization(gotoCallee, 0); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1552 curBlock.setEnd(gotoCallee); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1553 calleeStartBlock.mergeOrClone(calleeState); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1554 lastInstr = curBlock = calleeStartBlock; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1555 scopeData.addToWorkList(calleeStartBlock); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1556 // now iterate over all the blocks |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1557 iterateAllBlocks(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1558 } else { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1559 // ready to resume parsing inlined method into this block |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1560 iterateBytecodesForBlock(0, true); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1561 // now iterate over the rest of the blocks |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1562 iterateAllBlocks(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1563 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1564 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1565 assert continuationExisted || !continuationBlock.wasVisited() : "continuation should not have been parsed if we created it"; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1566 |
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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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|
1567 ReturnBlock simpleInlineInfo = scopeData.simpleInlineInfo(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1568 if (simpleInlineInfo != null && curBlock == orig) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1569 // Optimization: during parsing of the callee we |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1570 // generated at least one Goto to the continuation block. If we |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1571 // generated exactly one, and if the inlined method spanned exactly |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1572 // one block (and we didn't have to Goto its entry), then we snip |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1573 // off the Goto to the continuation, allowing control to fall |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1574 // through back into the caller block and effectively performing |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1575 // block merging. This allows local load elimination and local value numbering |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1576 // to take place across multiple callee scopes if they are relatively simple, and |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1577 // is currently essential to making inlining profitable. It also reduces the |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1578 // number of blocks in the CFG |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1579 lastInstr = simpleInlineInfo.returnPredecessor; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1580 curState = simpleInlineInfo.returnState.popScope(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1581 lastInstr.setNext(null, -1); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1582 } else if (continuationPredecessors == continuationBlock.predecessors().size()) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1583 // Inlining caused the instructions after the invoke in the |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1584 // caller to not reachable any more (i.e. no control flow path |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1585 // in the callee was terminated by a return instruction). |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1586 // So skip filling this block with instructions! |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1587 assert continuationBlock == scopeData.continuation(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1588 assert lastInstr instanceof BlockEnd; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1589 skipBlock = true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1590 } else { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1591 // Resume parsing in continuation block unless it was already parsed. |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1592 // Note that if we don't change lastInstr here, iteration in |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1593 // iterateBytecodesForBlock will stop when we return. |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1594 if (!scopeData.continuation().wasVisited()) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1595 // add continuation to work list instead of parsing it immediately |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1596 assert lastInstr instanceof BlockEnd; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1597 scopeData.parent.addToWorkList(scopeData.continuation()); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1598 skipBlock = true; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1599 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1600 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1601 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1602 // fill the exception handler for synchronized methods with instructions |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1603 if (syncHandler != null && syncHandler.stateBefore() != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1604 // generate unlocking code if the exception handler is reachable |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1605 fillSyncHandler(lock, syncHandler, true); |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
1606 } else { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1607 popScope(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1608 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1609 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
1610 stats.inlineCount++; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1611 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1612 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1613 private Value synchronizedObject(FrameState curState2, RiMethod target) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1614 if (isStatic(target.accessFlags())) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1615 Constant classConstant = new Constant(target.holder().getEncoding(Representation.JavaClass)); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1616 return appendWithoutOptimization(classConstant, Instruction.SYNCHRONIZATION_ENTRY_BCI); |
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parents:
diff
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|
1617 } else { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1618 return curState2.localAt(0); |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
1619 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1620 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1621 |
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|
1622 private void inlineSyncEntry(Value lock, BlockBegin syncHandler) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1623 genMonitorEnter(lock, Instruction.SYNCHRONIZATION_ENTRY_BCI); |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
1624 syncHandler.setExceptionEntry(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1625 syncHandler.setBlockFlag(BlockBegin.BlockFlag.IsOnWorkList); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1626 ExceptionHandler handler = new ExceptionHandler(new CiExceptionHandler(0, method().code().length, -1, 0, null)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1627 handler.setEntryBlock(syncHandler); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1628 scopeData.addExceptionHandler(handler); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1629 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1630 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1631 private void fillSyncHandler(Value lock, BlockBegin syncHandler, boolean inlinedMethod) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1632 BlockBegin origBlock = curBlock; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1633 MutableFrameState origState = curState; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1634 Instruction origLast = lastInstr; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1635 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1636 lastInstr = curBlock = syncHandler; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1637 while (lastInstr.next() != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1638 // go forward to the end of the block |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1639 lastInstr = lastInstr.next(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1640 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1641 curState = syncHandler.stateBefore().copy(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1642 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1643 int bci = Instruction.SYNCHRONIZATION_ENTRY_BCI; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1644 Value exception = appendWithoutOptimization(new ExceptionObject(curState.immutableCopy(bci)), bci); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1645 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1646 assert lock != null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1647 assert curState.locksSize() > 0 && curState.lockAt(locksSize() - 1) == lock; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1648 if (lock instanceof Instruction) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1649 Instruction l = (Instruction) lock; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1650 if (!l.isAppended()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1651 lock = appendWithoutOptimization(l, Instruction.SYNCHRONIZATION_ENTRY_BCI); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1652 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1653 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1654 // exit the monitor |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1655 genMonitorExit(lock, Instruction.SYNCHRONIZATION_ENTRY_BCI); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1656 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1657 // exit the context of the synchronized method |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1658 if (inlinedMethod) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1659 popScope(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1660 bci = curState.scope().callerBCI(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1661 curState = curState.popScope(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1662 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1663 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1664 apush(exception); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1665 genThrow(bci); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1666 BlockEnd end = (BlockEnd) lastInstr; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1667 curBlock.setEnd(end); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1668 end.setStateAfter(curState.immutableCopy(bci())); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1669 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1670 curBlock = origBlock; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1671 curState = origState; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1672 lastInstr = origLast; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1673 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1674 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1675 private void iterateAllBlocks() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1676 BlockBegin b; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1677 while ((b = scopeData.removeFromWorkList()) != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1678 if (!b.wasVisited()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1679 b.setWasVisited(true); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1680 // now parse the block |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1681 killMemoryMap(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1682 curBlock = b; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1683 curState = b.stateBefore().copy(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1684 lastInstr = b; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1685 b.setNext(null, -1); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1686 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1687 iterateBytecodesForBlock(b.bci(), false); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1688 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1689 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1690 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1691 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1692 private void popScope() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1693 int maxLocks = scope().maxLocks(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1694 scopeData = scopeData.parent; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1695 scope().updateMaxLocks(maxLocks); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1696 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1697 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1698 private void popScopeForJsr() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1699 scopeData = scopeData.parent; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1700 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1701 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1702 private BlockEnd iterateBytecodesForBlock(int bci, boolean inliningIntoCurrentBlock) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1703 skipBlock = false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1704 assert curState != null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1705 BytecodeStream s = scopeData.stream; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1706 s.setBCI(bci); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1707 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1708 BlockBegin block = curBlock; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1709 BlockEnd end = null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1710 boolean pushException = block.isExceptionEntry() && block.next() == null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1711 int prevBCI = bci; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1712 int endBCI = s.endBCI(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1713 boolean blockStart = true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1714 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1715 while (bci < endBCI) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1716 BlockBegin nextBlock = blockAtOrNull(bci); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1717 if (bci == 0 && inliningIntoCurrentBlock) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1718 if (!nextBlock.isParserLoopHeader()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1719 // Ignore the block boundary of the entry block of a method |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1720 // being inlined unless the block is a loop header. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1721 nextBlock = null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1722 blockStart = false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1723 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1724 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1725 if (nextBlock != null && nextBlock != block) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1726 // we fell through to the next block, add a goto and break |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1727 end = new Goto(nextBlock, null, false); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1728 lastInstr = lastInstr.setNext(end, prevBCI); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1729 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1730 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1731 // read the opcode |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1732 int opcode = s.currentBC(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1733 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1734 // push an exception object onto the stack if we are parsing an exception handler |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1735 if (pushException) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1736 FrameState stateBefore = curState.immutableCopy(bci()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1737 apush(append(new ExceptionObject(stateBefore))); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1738 pushException = false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1739 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1740 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1741 traceState(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1742 traceInstruction(bci, s, opcode, blockStart); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1743 processBytecode(bci, s, opcode); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1744 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1745 prevBCI = bci; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1746 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1747 if (lastInstr instanceof BlockEnd) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1748 end = (BlockEnd) lastInstr; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1749 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1750 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1751 s.next(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1752 bci = s.currentBCI(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1753 blockStart = false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1754 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1755 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1756 // stop processing of this block |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1757 if (skipBlock) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1758 skipBlock = false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1759 return (BlockEnd) lastInstr; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1760 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1761 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1762 // if the method terminates, we don't need the stack anymore |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1763 if (end instanceof Return || end instanceof Throw) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1764 curState.clearStack(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1765 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1766 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1767 // connect to begin and set state |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1768 // NOTE that inlining may have changed the block we are parsing |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1769 assert end != null : "end should exist after iterating over bytecodes"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1770 end.setStateAfter(curState.immutableCopy(bci())); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1771 curBlock.setEnd(end); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1772 // propagate the state |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1773 for (BlockBegin succ : end.successors()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1774 assert succ.predecessors().contains(curBlock); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1775 succ.mergeOrClone(end.stateAfter()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1776 scopeData.addToWorkList(succ); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1777 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1778 return end; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1779 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1780 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1781 private void traceState() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1782 if (C1XOptions.TraceBytecodeParserLevel >= TRACELEVEL_STATE && !TTY.isSuppressed()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1783 log.println(String.format("| state [nr locals = %d, stack depth = %d, method = %s]", curState.localsSize(), curState.stackSize(), curState.scope().method)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1784 for (int i = 0; i < curState.localsSize(); ++i) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1785 Value value = curState.localAt(i); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1786 log.println(String.format("| local[%d] = %-8s : %s", i, value == null ? "bogus" : value.kind.javaName, value)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1787 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1788 for (int i = 0; i < curState.stackSize(); ++i) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1789 Value value = curState.stackAt(i); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1790 log.println(String.format("| stack[%d] = %-8s : %s", i, value == null ? "bogus" : value.kind.javaName, value)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1791 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1792 for (int i = 0; i < curState.locksSize(); ++i) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1793 Value value = curState.lockAt(i); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1794 log.println(String.format("| lock[%d] = %-8s : %s", i, value == null ? "bogus" : value.kind.javaName, value)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1795 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1796 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1797 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1798 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1799 private void processBytecode(int bci, BytecodeStream s, int opcode) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1800 int cpi; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1801 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1802 // Checkstyle: stop |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1803 switch (opcode) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1804 case NOP : /* nothing to do */ break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1805 case ACONST_NULL : apush(appendConstant(CiConstant.NULL_OBJECT)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1806 case ICONST_M1 : ipush(appendConstant(CiConstant.INT_MINUS_1)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1807 case ICONST_0 : ipush(appendConstant(CiConstant.INT_0)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1808 case ICONST_1 : ipush(appendConstant(CiConstant.INT_1)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1809 case ICONST_2 : ipush(appendConstant(CiConstant.INT_2)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1810 case ICONST_3 : ipush(appendConstant(CiConstant.INT_3)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1811 case ICONST_4 : ipush(appendConstant(CiConstant.INT_4)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1812 case ICONST_5 : ipush(appendConstant(CiConstant.INT_5)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1813 case LCONST_0 : lpush(appendConstant(CiConstant.LONG_0)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1814 case LCONST_1 : lpush(appendConstant(CiConstant.LONG_1)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1815 case FCONST_0 : fpush(appendConstant(CiConstant.FLOAT_0)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1816 case FCONST_1 : fpush(appendConstant(CiConstant.FLOAT_1)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1817 case FCONST_2 : fpush(appendConstant(CiConstant.FLOAT_2)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1818 case DCONST_0 : dpush(appendConstant(CiConstant.DOUBLE_0)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1819 case DCONST_1 : dpush(appendConstant(CiConstant.DOUBLE_1)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1820 case BIPUSH : ipush(appendConstant(CiConstant.forInt(s.readByte()))); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1821 case SIPUSH : ipush(appendConstant(CiConstant.forInt(s.readShort()))); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1822 case LDC : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1823 case LDC_W : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1824 case LDC2_W : genLoadConstant(s.readCPI()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1825 case ILOAD : loadLocal(s.readLocalIndex(), CiKind.Int); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1826 case LLOAD : loadLocal(s.readLocalIndex(), CiKind.Long); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1827 case FLOAD : loadLocal(s.readLocalIndex(), CiKind.Float); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1828 case DLOAD : loadLocal(s.readLocalIndex(), CiKind.Double); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1829 case ALOAD : loadLocal(s.readLocalIndex(), CiKind.Object); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1830 case ILOAD_0 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1831 case ILOAD_1 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1832 case ILOAD_2 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1833 case ILOAD_3 : loadLocal(opcode - ILOAD_0, CiKind.Int); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1834 case LLOAD_0 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1835 case LLOAD_1 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1836 case LLOAD_2 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1837 case LLOAD_3 : loadLocal(opcode - LLOAD_0, CiKind.Long); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1838 case FLOAD_0 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1839 case FLOAD_1 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1840 case FLOAD_2 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1841 case FLOAD_3 : loadLocal(opcode - FLOAD_0, CiKind.Float); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1842 case DLOAD_0 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1843 case DLOAD_1 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1844 case DLOAD_2 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1845 case DLOAD_3 : loadLocal(opcode - DLOAD_0, CiKind.Double); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1846 case ALOAD_0 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1847 case ALOAD_1 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1848 case ALOAD_2 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1849 case ALOAD_3 : loadLocal(opcode - ALOAD_0, CiKind.Object); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1850 case IALOAD : genLoadIndexed(CiKind.Int ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1851 case LALOAD : genLoadIndexed(CiKind.Long ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1852 case FALOAD : genLoadIndexed(CiKind.Float ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1853 case DALOAD : genLoadIndexed(CiKind.Double); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1854 case AALOAD : genLoadIndexed(CiKind.Object); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1855 case BALOAD : genLoadIndexed(CiKind.Byte ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1856 case CALOAD : genLoadIndexed(CiKind.Char ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1857 case SALOAD : genLoadIndexed(CiKind.Short ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1858 case ISTORE : storeLocal(CiKind.Int, s.readLocalIndex()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1859 case LSTORE : storeLocal(CiKind.Long, s.readLocalIndex()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1860 case FSTORE : storeLocal(CiKind.Float, s.readLocalIndex()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1861 case DSTORE : storeLocal(CiKind.Double, s.readLocalIndex()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1862 case ASTORE : storeLocal(CiKind.Object, s.readLocalIndex()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1863 case ISTORE_0 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1864 case ISTORE_1 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1865 case ISTORE_2 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1866 case ISTORE_3 : storeLocal(CiKind.Int, opcode - ISTORE_0); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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1867 case LSTORE_0 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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1868 case LSTORE_1 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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1869 case LSTORE_2 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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1870 case LSTORE_3 : storeLocal(CiKind.Long, opcode - LSTORE_0); break; |
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parents:
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1871 case FSTORE_0 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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1872 case FSTORE_1 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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1873 case FSTORE_2 : // fall through |
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1874 case FSTORE_3 : storeLocal(CiKind.Float, opcode - FSTORE_0); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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1875 case DSTORE_0 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1876 case DSTORE_1 : // fall through |
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parents:
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1877 case DSTORE_2 : // fall through |
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1878 case DSTORE_3 : storeLocal(CiKind.Double, opcode - DSTORE_0); break; |
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parents:
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1879 case ASTORE_0 : // fall through |
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1880 case ASTORE_1 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1881 case ASTORE_2 : // fall through |
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1882 case ASTORE_3 : storeLocal(CiKind.Object, opcode - ASTORE_0); break; |
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1883 case IASTORE : genStoreIndexed(CiKind.Int ); break; |
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parents:
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|
1884 case LASTORE : genStoreIndexed(CiKind.Long ); break; |
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1885 case FASTORE : genStoreIndexed(CiKind.Float ); break; |
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1886 case DASTORE : genStoreIndexed(CiKind.Double); break; |
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1887 case AASTORE : genStoreIndexed(CiKind.Object); break; |
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1888 case BASTORE : genStoreIndexed(CiKind.Byte ); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1889 case CASTORE : genStoreIndexed(CiKind.Char ); break; |
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1890 case SASTORE : genStoreIndexed(CiKind.Short ); break; |
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1891 case POP : // fall through |
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1892 case POP2 : // fall through |
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1893 case DUP : // fall through |
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1894 case DUP_X1 : // fall through |
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diff
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1895 case DUP_X2 : // fall through |
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|
1896 case DUP2 : // fall through |
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1897 case DUP2_X1 : // fall through |
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1898 case DUP2_X2 : // fall through |
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1899 case SWAP : stackOp(opcode); break; |
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1900 case IADD : // fall through |
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1901 case ISUB : // fall through |
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1902 case IMUL : genArithmeticOp(CiKind.Int, opcode); break; |
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1903 case IDIV : // fall through |
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1904 case IREM : genArithmeticOp(CiKind.Int, opcode, curState.immutableCopy(bci())); break; |
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1905 case LADD : // fall through |
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1906 case LSUB : // fall through |
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1907 case LMUL : genArithmeticOp(CiKind.Long, opcode); break; |
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parents:
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1908 case LDIV : // fall through |
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1909 case LREM : genArithmeticOp(CiKind.Long, opcode, curState.immutableCopy(bci())); break; |
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1910 case FADD : // fall through |
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1911 case FSUB : // fall through |
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1912 case FMUL : // fall through |
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1913 case FDIV : // fall through |
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1914 case FREM : genArithmeticOp(CiKind.Float, opcode); break; |
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1915 case DADD : // fall through |
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1916 case DSUB : // fall through |
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1917 case DMUL : // fall through |
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1918 case DDIV : // fall through |
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1919 case DREM : genArithmeticOp(CiKind.Double, opcode); break; |
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1920 case INEG : genNegateOp(CiKind.Int); break; |
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1921 case LNEG : genNegateOp(CiKind.Long); break; |
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1922 case FNEG : genNegateOp(CiKind.Float); break; |
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1923 case DNEG : genNegateOp(CiKind.Double); break; |
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1924 case ISHL : // fall through |
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1925 case ISHR : // fall through |
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1926 case IUSHR : genShiftOp(CiKind.Int, opcode); break; |
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1927 case IAND : // fall through |
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1928 case IOR : // fall through |
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1929 case IXOR : genLogicOp(CiKind.Int, opcode); break; |
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1930 case LSHL : // fall through |
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1931 case LSHR : // fall through |
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1932 case LUSHR : genShiftOp(CiKind.Long, opcode); break; |
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1933 case LAND : // fall through |
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1934 case LOR : // fall through |
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1935 case LXOR : genLogicOp(CiKind.Long, opcode); break; |
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1936 case IINC : genIncrement(); break; |
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1937 case I2L : genConvert(opcode, CiKind.Int , CiKind.Long ); break; |
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1938 case I2F : genConvert(opcode, CiKind.Int , CiKind.Float ); break; |
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1939 case I2D : genConvert(opcode, CiKind.Int , CiKind.Double); break; |
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1940 case L2I : genConvert(opcode, CiKind.Long , CiKind.Int ); break; |
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parents:
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1941 case L2F : genConvert(opcode, CiKind.Long , CiKind.Float ); break; |
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1942 case L2D : genConvert(opcode, CiKind.Long , CiKind.Double); break; |
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1943 case F2I : genConvert(opcode, CiKind.Float , CiKind.Int ); break; |
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1944 case F2L : genConvert(opcode, CiKind.Float , CiKind.Long ); break; |
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1945 case F2D : genConvert(opcode, CiKind.Float , CiKind.Double); break; |
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1946 case D2I : genConvert(opcode, CiKind.Double, CiKind.Int ); break; |
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1947 case D2L : genConvert(opcode, CiKind.Double, CiKind.Long ); break; |
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1948 case D2F : genConvert(opcode, CiKind.Double, CiKind.Float ); break; |
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1949 case I2B : genConvert(opcode, CiKind.Int , CiKind.Byte ); break; |
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1950 case I2C : genConvert(opcode, CiKind.Int , CiKind.Char ); break; |
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1951 case I2S : genConvert(opcode, CiKind.Int , CiKind.Short ); break; |
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1952 case LCMP : genCompareOp(CiKind.Long, opcode, CiKind.Int); break; |
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1953 case FCMPL : genCompareOp(CiKind.Float, opcode, CiKind.Int); break; |
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1954 case FCMPG : genCompareOp(CiKind.Float, opcode, CiKind.Int); break; |
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1955 case DCMPL : genCompareOp(CiKind.Double, opcode, CiKind.Int); break; |
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1956 case DCMPG : genCompareOp(CiKind.Double, opcode, CiKind.Int); break; |
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1957 case IFEQ : genIfZero(Condition.EQ); break; |
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1958 case IFNE : genIfZero(Condition.NE); break; |
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1959 case IFLT : genIfZero(Condition.LT); break; |
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1960 case IFGE : genIfZero(Condition.GE); break; |
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1961 case IFGT : genIfZero(Condition.GT); break; |
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1962 case IFLE : genIfZero(Condition.LE); break; |
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1963 case IF_ICMPEQ : genIfSame(CiKind.Int, Condition.EQ); break; |
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1964 case IF_ICMPNE : genIfSame(CiKind.Int, Condition.NE); break; |
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1965 case IF_ICMPLT : genIfSame(CiKind.Int, Condition.LT); break; |
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1966 case IF_ICMPGE : genIfSame(CiKind.Int, Condition.GE); break; |
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1967 case IF_ICMPGT : genIfSame(CiKind.Int, Condition.GT); break; |
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1968 case IF_ICMPLE : genIfSame(CiKind.Int, Condition.LE); break; |
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1969 case IF_ACMPEQ : genIfSame(peekKind(), Condition.EQ); break; |
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1970 case IF_ACMPNE : genIfSame(peekKind(), Condition.NE); break; |
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1971 case GOTO : genGoto(s.currentBCI(), s.readBranchDest()); break; |
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1972 case JSR : genJsr(s.readBranchDest()); break; |
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1973 case RET : genRet(s.readLocalIndex()); break; |
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1974 case TABLESWITCH : genTableswitch(); break; |
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1975 case LOOKUPSWITCH : genLookupswitch(); break; |
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1976 case IRETURN : genReturn(ipop()); break; |
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1977 case LRETURN : genReturn(lpop()); break; |
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1978 case FRETURN : genReturn(fpop()); break; |
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1979 case DRETURN : genReturn(dpop()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1980 case ARETURN : genReturn(apop()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1981 case RETURN : genReturn(null ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1982 case GETSTATIC : cpi = s.readCPI(); genGetStatic(cpi, constantPool().lookupField(cpi, opcode)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1983 case PUTSTATIC : cpi = s.readCPI(); genPutStatic(cpi, constantPool().lookupField(cpi, opcode)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1984 case GETFIELD : cpi = s.readCPI(); genGetField(cpi, constantPool().lookupField(cpi, opcode)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1985 case PUTFIELD : cpi = s.readCPI(); genPutField(cpi, constantPool().lookupField(cpi, opcode)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1986 case INVOKEVIRTUAL : cpi = s.readCPI(); genInvokeVirtual(constantPool().lookupMethod(cpi, opcode), cpi, constantPool()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1987 case INVOKESPECIAL : cpi = s.readCPI(); genInvokeSpecial(constantPool().lookupMethod(cpi, opcode), null, cpi, constantPool()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1988 case INVOKESTATIC : cpi = s.readCPI(); genInvokeStatic(constantPool().lookupMethod(cpi, opcode), cpi, constantPool()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1989 case INVOKEINTERFACE: cpi = s.readCPI(); genInvokeInterface(constantPool().lookupMethod(cpi, opcode), cpi, constantPool()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1990 case NEW : genNewInstance(s.readCPI()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1991 case NEWARRAY : genNewTypeArray(s.readLocalIndex()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1992 case ANEWARRAY : genNewObjectArray(s.readCPI()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1993 case ARRAYLENGTH : genArrayLength(); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1994 case ATHROW : genThrow(s.currentBCI()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1995 case CHECKCAST : genCheckCast(); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1996 case INSTANCEOF : genInstanceOf(); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1997 case MONITORENTER : genMonitorEnter(apop(), s.currentBCI()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1998 case MONITOREXIT : genMonitorExit(apop(), s.currentBCI()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1999 case MULTIANEWARRAY : genNewMultiArray(s.readCPI()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2000 case IFNULL : genIfNull(Condition.EQ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2001 case IFNONNULL : genIfNull(Condition.NE); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2002 case GOTO_W : genGoto(s.currentBCI(), s.readFarBranchDest()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2003 case JSR_W : genJsr(s.readFarBranchDest()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2004 case BREAKPOINT: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2005 throw new CiBailout("concurrent setting of breakpoint"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2006 default: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2007 throw new CiBailout("Unsupported opcode " + opcode + " (" + nameOf(opcode) + ") [bci=" + bci + "]"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2008 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2009 // Checkstyle: resume |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2010 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2011 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2012 private void traceInstruction(int bci, BytecodeStream s, int opcode, boolean blockStart) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2013 if (C1XOptions.TraceBytecodeParserLevel >= TRACELEVEL_INSTRUCTIONS && !TTY.isSuppressed()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2014 StringBuilder sb = new StringBuilder(40); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2015 sb.append(blockStart ? '+' : '|'); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2016 if (bci < 10) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2017 sb.append(" "); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2018 } else if (bci < 100) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2019 sb.append(' '); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2020 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2021 sb.append(bci).append(": ").append(Bytecodes.nameOf(opcode)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2022 for (int i = bci + 1; i < s.nextBCI(); ++i) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2023 sb.append(' ').append(s.readUByte(i)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2024 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2025 log.println(sb.toString()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2026 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2027 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2028 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2029 private void genArrayLength() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2030 FrameState stateBefore = curState.immutableCopy(bci()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2031 ipush(append(new ArrayLength(apop(), stateBefore))); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2032 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2033 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2034 void killMemoryMap() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2035 if (localValueMap != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2036 localValueMap.killAll(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2037 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2038 if (memoryMap != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2039 memoryMap.kill(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2040 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2041 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2042 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2043 boolean assumeLeafClass(RiType type) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2044 if (type.isResolved()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2045 if (isFinal(type.accessFlags())) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2046 return true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2047 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2048 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2049 if (C1XOptions.UseAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2050 RiType assumed = type.uniqueConcreteSubtype(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2051 if (assumed != null && assumed == type) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2052 if (C1XOptions.PrintAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2053 TTY.println("Recording leaf class assumption for " + type.name()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2054 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2055 compilation.assumptions.recordConcreteSubtype(type, assumed); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2056 return true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2057 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2058 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2059 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2060 return false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2061 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2062 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2063 RiMethod getAssumedLeafMethod(RiMethod method) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2064 if (method.isResolved()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2065 if (method.isLeafMethod()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2066 return method; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2067 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2068 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2069 if (C1XOptions.UseAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2070 RiMethod assumed = method.uniqueConcreteMethod(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2071 if (assumed != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2072 if (C1XOptions.PrintAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2073 TTY.println("Recording concrete method assumption in context of " + method.holder().name() + ": " + assumed.name()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2074 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2075 compilation.assumptions.recordConcreteMethod(method, assumed); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2076 return assumed; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2077 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2078 if (C1XOptions.PrintAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2079 TTY.println("Did not find unique concrete method for " + method); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2080 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2081 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2082 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2083 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2084 return null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2085 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2086 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2087 private int recursiveInlineLevel(RiMethod target) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2088 int rec = 0; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2089 IRScope scope = scope(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2090 while (scope != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2091 if (scope.method != target) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2092 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2093 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2094 scope = scope.caller; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2095 rec++; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2096 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2097 return rec; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2098 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2099 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2100 private RiConstantPool constantPool() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2101 return scopeData.constantPool; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2102 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2103 } |