Mercurial > hg > graal-jvmci-8
annotate graal/GraalCompiler/src/com/sun/c1x/graph/GraphBuilder.java @ 2521:2f271a85d104
Removed intrinsic-related instructions
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 27 Apr 2011 16:40:09 +0200 |
parents | f6125fb5bfbc |
children | c480605ef068 |
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 final Canonicalizer canonicalizer; // canonicalizer which does strength reduction + constant folding |
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80 ScopeData scopeData; // Per-scope data; used for inlining |
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81 BlockBegin curBlock; // the current block |
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82 MutableFrameState curState; // the current execution state |
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83 Instruction lastInstr; // the last instruction added |
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84 final LogStream log; |
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85 |
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86 boolean skipBlock; // skip processing of the rest of this block |
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87 private Value rootMethodSynchronizedObject; |
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88 |
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89 /** |
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90 * Creates a new, initialized, {@code GraphBuilder} instance for a given compilation. |
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91 * |
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92 * @param compilation the compilation |
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93 * @param ir the IR to build the graph into |
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94 */ |
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95 public GraphBuilder(C1XCompilation compilation, IR ir) { |
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96 this.compilation = compilation; |
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97 this.ir = ir; |
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98 this.stats = compilation.stats; |
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99 this.memoryMap = C1XOptions.OptLocalLoadElimination ? new MemoryMap() : null; |
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100 this.localValueMap = C1XOptions.OptLocalValueNumbering ? new ValueMap() : null; |
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101 this.canonicalizer = C1XOptions.OptCanonicalize ? new Canonicalizer(compilation.runtime, compilation.method, compilation.target) : null; |
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102 log = C1XOptions.TraceBytecodeParserLevel > 0 ? new LogStream(TTY.out()) : null; |
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103 } |
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104 |
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105 /** |
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106 * Builds the graph for a the specified {@code IRScope}. |
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107 * @param scope the top IRScope |
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108 */ |
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109 public void build(IRScope scope) { |
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110 RiMethod rootMethod = compilation.method; |
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111 |
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112 if (log != null) { |
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113 log.println(); |
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114 log.println("Compiling " + compilation.method); |
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115 } |
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116 |
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117 // 1. create the start block |
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118 ir.startBlock = new BlockBegin(0, ir.nextBlockNumber()); |
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119 BlockBegin startBlock = ir.startBlock; |
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120 |
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121 // 2. compute the block map and get the entrypoint(s) |
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122 BlockMap blockMap = compilation.getBlockMap(scope.method); |
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123 BlockBegin stdEntry = blockMap.get(0); |
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124 pushRootScope(scope, blockMap, startBlock); |
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125 MutableFrameState initialState = stateAtEntry(rootMethod); |
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126 startBlock.mergeOrClone(initialState); |
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127 BlockBegin syncHandler = null; |
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128 |
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129 // 3. setup internal state for appending instructions |
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130 curBlock = startBlock; |
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131 lastInstr = startBlock; |
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132 lastInstr.setNext(null, -1); |
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133 curState = initialState; |
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134 |
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135 if (isSynchronized(rootMethod.accessFlags())) { |
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136 // 4A.1 add a monitor enter to the start block |
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137 rootMethodSynchronizedObject = synchronizedObject(initialState, compilation.method); |
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138 genMonitorEnter(rootMethodSynchronizedObject, Instruction.SYNCHRONIZATION_ENTRY_BCI); |
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139 // 4A.2 finish the start block |
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140 finishStartBlock(startBlock, stdEntry); |
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141 |
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142 // 4A.3 setup an exception handler to unlock the root method synchronized object |
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143 syncHandler = new BlockBegin(Instruction.SYNCHRONIZATION_ENTRY_BCI, ir.nextBlockNumber()); |
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144 syncHandler.setExceptionEntry(); |
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145 syncHandler.setBlockFlag(BlockBegin.BlockFlag.IsOnWorkList); |
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146 syncHandler.setBlockFlag(BlockBegin.BlockFlag.DefaultExceptionHandler); |
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147 |
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148 ExceptionHandler h = new ExceptionHandler(new CiExceptionHandler(0, rootMethod.code().length, -1, 0, null)); |
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149 h.setEntryBlock(syncHandler); |
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150 scopeData.addExceptionHandler(h); |
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151 } else { |
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152 // 4B.1 simply finish the start block |
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153 finishStartBlock(startBlock, stdEntry); |
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154 } |
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155 |
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156 // 5. SKIPPED: look for intrinsics |
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157 |
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158 // 6B.1 do the normal parsing |
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159 scopeData.addToWorkList(stdEntry); |
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160 iterateAllBlocks(); |
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161 |
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162 if (syncHandler != null && syncHandler.stateBefore() != null) { |
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163 // generate unlocking code if the exception handler is reachable |
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164 fillSyncHandler(rootMethodSynchronizedObject, syncHandler, false); |
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165 } |
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166 } |
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167 |
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168 private void finishStartBlock(BlockBegin startBlock, BlockBegin stdEntry) { |
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169 assert curBlock == startBlock; |
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170 Base base = new Base(stdEntry); |
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171 appendWithoutOptimization(base, 0); |
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172 FrameState stateAfter = curState.immutableCopy(bci()); |
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173 base.setStateAfter(stateAfter); |
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174 startBlock.setEnd(base); |
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175 assert stdEntry.stateBefore() == null; |
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176 stdEntry.mergeOrClone(stateAfter); |
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177 } |
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178 |
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179 void pushRootScope(IRScope scope, BlockMap blockMap, BlockBegin start) { |
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180 BytecodeStream stream = new BytecodeStream(scope.method.code()); |
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181 RiConstantPool constantPool = compilation.runtime.getConstantPool(scope.method); |
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182 scopeData = new ScopeData(null, scope, blockMap, stream, constantPool); |
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183 curBlock = start; |
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184 } |
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185 |
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186 public boolean hasHandler() { |
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187 return scopeData.hasHandler(); |
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188 } |
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189 |
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190 public IRScope scope() { |
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191 return scopeData.scope; |
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192 } |
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193 |
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194 public IRScope rootScope() { |
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195 IRScope root = scope(); |
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196 while (root.caller != null) { |
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197 root = root.caller; |
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198 } |
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199 return root; |
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200 } |
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201 |
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202 public RiMethod method() { |
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203 return scopeData.scope.method; |
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204 } |
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205 |
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206 public BytecodeStream stream() { |
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207 return scopeData.stream; |
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208 } |
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209 |
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210 public int bci() { |
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211 return scopeData.stream.currentBCI(); |
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212 } |
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213 |
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214 public int nextBCI() { |
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215 return scopeData.stream.nextBCI(); |
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216 } |
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217 |
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218 private void ipush(Value x) { |
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219 curState.ipush(x); |
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220 } |
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221 |
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222 private void lpush(Value x) { |
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223 curState.lpush(x); |
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224 } |
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225 |
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226 private void fpush(Value x) { |
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227 curState.fpush(x); |
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228 } |
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229 |
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230 private void dpush(Value x) { |
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231 curState.dpush(x); |
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232 } |
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233 |
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234 private void apush(Value x) { |
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235 curState.apush(x); |
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236 } |
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237 |
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238 private void wpush(Value x) { |
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239 curState.wpush(x); |
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240 } |
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241 |
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242 private void push(CiKind kind, Value x) { |
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243 curState.push(kind, x); |
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244 } |
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245 |
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246 private void pushReturn(CiKind kind, Value x) { |
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247 if (kind != CiKind.Void) { |
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248 curState.push(kind.stackKind(), x); |
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249 } |
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250 } |
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251 |
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252 private Value ipop() { |
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253 return curState.ipop(); |
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254 } |
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255 |
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256 private Value lpop() { |
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257 return curState.lpop(); |
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258 } |
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259 |
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260 private Value fpop() { |
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261 return curState.fpop(); |
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262 } |
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263 |
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264 private Value dpop() { |
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265 return curState.dpop(); |
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266 } |
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267 |
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268 private Value apop() { |
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269 return curState.apop(); |
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270 } |
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271 |
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272 private Value wpop() { |
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273 return curState.wpop(); |
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274 } |
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275 |
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276 private Value pop(CiKind kind) { |
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277 return curState.pop(kind); |
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278 } |
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279 |
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280 private CiKind peekKind() { |
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281 Value top = curState.stackAt(curState.stackSize() - 1); |
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282 if (top == null) { |
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283 top = curState.stackAt(curState.stackSize() - 2); |
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284 assert top != null; |
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285 assert top.kind.isDoubleWord(); |
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286 } |
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287 return top.kind; |
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288 } |
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289 |
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290 private void loadLocal(int index, CiKind kind) { |
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291 push(kind, curState.loadLocal(index)); |
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292 } |
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293 |
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294 private void storeLocal(CiKind kind, int index) { |
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295 if (scopeData.parsingJsr()) { |
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296 // We need to do additional tracking of the location of the return |
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297 // address for jsrs since we don't handle arbitrary jsr/ret |
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298 // constructs. Here we are figuring out in which circumstances we |
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299 // need to bail out. |
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300 if (kind == CiKind.Object) { |
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301 // might be storing the JSR return address |
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302 Value x = curState.xpop(); |
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303 if (x.kind.isJsr()) { |
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304 setJsrReturnAddressLocal(index); |
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305 curState.storeLocal(index, x); |
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306 } else { |
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307 // nope, not storing the JSR return address |
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308 assert x.kind.isObject(); |
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309 curState.storeLocal(index, x); |
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310 overwriteJsrReturnAddressLocal(index); |
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311 } |
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312 return; |
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313 } else { |
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314 // not storing the JSR return address local, but might overwrite it |
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315 overwriteJsrReturnAddressLocal(index); |
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316 } |
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317 } |
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318 |
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319 curState.storeLocal(index, pop(kind)); |
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320 } |
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321 |
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322 private void overwriteJsrReturnAddressLocal(int index) { |
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323 if (index == scopeData.jsrEntryReturnAddressLocal()) { |
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324 scopeData.setJsrEntryReturnAddressLocal(-1); |
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325 } |
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326 } |
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327 |
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328 private void setJsrReturnAddressLocal(int index) { |
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329 scopeData.setJsrEntryReturnAddressLocal(index); |
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330 |
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331 // Also check parent jsrs (if any) at this time to see whether |
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332 // they are using this local. We don't handle skipping over a |
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333 // ret. |
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334 for (ScopeData cur = scopeData.parent; cur != null && cur.parsingJsr() && cur.scope == scope(); cur = cur.parent) { |
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335 if (cur.jsrEntryReturnAddressLocal() == index) { |
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336 throw new CiBailout("subroutine overwrites return address from previous subroutine"); |
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337 } |
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338 } |
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339 } |
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340 |
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341 List<ExceptionHandler> handleException(Instruction x, int bci) { |
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342 if (!hasHandler()) { |
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343 return Util.uncheckedCast(Collections.EMPTY_LIST); |
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344 } |
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345 |
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346 ArrayList<ExceptionHandler> exceptionHandlers = new ArrayList<ExceptionHandler>(); |
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347 ScopeData curScopeData = scopeData; |
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348 FrameState stateBefore = x.stateBefore(); |
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349 int scopeCount = 0; |
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350 |
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351 assert stateBefore != null : "exception handler state must be available for " + x; |
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352 FrameState state = stateBefore; |
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353 do { |
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354 assert curScopeData.scope == state.scope() : "scopes do not match"; |
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355 assert bci == Instruction.SYNCHRONIZATION_ENTRY_BCI || bci == curScopeData.stream.currentBCI() : "invalid bci"; |
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356 |
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357 // join with all potential exception handlers |
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358 List<ExceptionHandler> handlers = curScopeData.exceptionHandlers(); |
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359 if (handlers != null) { |
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360 for (ExceptionHandler handler : handlers) { |
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361 if (handler.covers(bci)) { |
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362 // if the handler covers this bytecode index, add it to the list |
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363 if (addExceptionHandler(exceptionHandlers, handler, curScopeData, state, scopeCount)) { |
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364 // if the handler was a default handler, we are done |
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365 return exceptionHandlers; |
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366 } |
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367 } |
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368 } |
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369 } |
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370 // pop the scope to the next IRScope level |
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371 // if parsing a JSR, skip scopes until the next IRScope level |
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372 IRScope curScope = curScopeData.scope; |
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373 while (curScopeData.parent != null && curScopeData.parent.scope == curScope) { |
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374 curScopeData = curScopeData.parent; |
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375 } |
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376 if (curScopeData.parent == null) { |
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377 // no more levels, done |
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378 break; |
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379 } |
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380 // there is another level, pop |
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381 state = state.callerState(); |
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382 bci = curScopeData.scope.callerBCI(); |
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383 curScopeData = curScopeData.parent; |
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384 scopeCount++; |
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385 |
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386 } while (true); |
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387 |
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388 return exceptionHandlers; |
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389 } |
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390 |
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391 /** |
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392 * Adds an exception handler to the {@linkplain BlockBegin#exceptionHandlerBlocks() list} |
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393 * of exception handlers for the {@link #curBlock current block}. |
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394 * |
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395 * @param exceptionHandlers |
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396 * @param handler |
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397 * @param curScopeData |
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398 * @param curState the current state with empty stack |
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399 * @param scopeCount |
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400 * @return {@code true} if handler catches all exceptions (i.e. {@code handler.isCatchAll() == true}) |
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401 */ |
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402 private boolean addExceptionHandler(ArrayList<ExceptionHandler> exceptionHandlers, ExceptionHandler handler, ScopeData curScopeData, FrameState curState, int scopeCount) { |
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403 compilation.setHasExceptionHandlers(); |
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404 |
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405 BlockBegin entry = handler.entryBlock(); |
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406 FrameState entryState = entry.stateBefore(); |
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407 |
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408 assert entry.bci() == handler.handler.handlerBCI(); |
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409 assert entry.bci() == -1 || entry == curScopeData.blockAt(entry.bci()) : "blocks must correspond"; |
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410 assert entryState == null || curState.locksSize() == entryState.locksSize() : "locks do not match"; |
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411 |
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412 // exception handler starts with an empty expression stack |
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413 curState = curState.immutableCopyWithEmptyStack(); |
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414 |
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415 entry.mergeOrClone(curState); |
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416 |
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417 // add current state for correct handling of phi functions |
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418 int phiOperand = entry.addExceptionState(curState); |
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419 |
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420 // add entry to the list of exception handlers of this block |
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421 curBlock.addExceptionHandler(entry); |
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422 |
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423 // add back-edge from exception handler entry to this block |
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424 if (!entry.predecessors().contains(curBlock)) { |
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425 entry.addPredecessor(curBlock); |
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426 } |
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427 |
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428 // clone exception handler |
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429 ExceptionHandler newHandler = new ExceptionHandler(handler); |
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430 newHandler.setPhiOperand(phiOperand); |
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431 newHandler.setScopeCount(scopeCount); |
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432 exceptionHandlers.add(newHandler); |
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433 |
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434 // fill in exception handler subgraph lazily |
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435 if (!entry.wasVisited()) { |
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436 curScopeData.addToWorkList(entry); |
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437 } else { |
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438 // This will occur for exception handlers that cover themselves. This code |
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439 // pattern is generated by javac for synchronized blocks. See the following |
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440 // for why this change to javac was made: |
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441 // |
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442 // http://www.cs.arizona.edu/projects/sumatra/hallofshame/java-async-race.html |
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443 } |
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444 |
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445 // stop when reaching catch all |
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446 return handler.isCatchAll(); |
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447 } |
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448 |
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449 void genLoadConstant(int cpi) { |
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450 Object con = constantPool().lookupConstant(cpi); |
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451 |
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452 if (con instanceof RiType) { |
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453 // this is a load of class constant which might be unresolved |
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454 RiType riType = (RiType) con; |
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455 if (!riType.isResolved() || C1XOptions.TestPatching) { |
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456 push(CiKind.Object, append(new ResolveClass(riType, RiType.Representation.JavaClass, null))); |
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457 } else { |
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458 push(CiKind.Object, append(new Constant(riType.getEncoding(Representation.JavaClass)))); |
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459 } |
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460 } else if (con instanceof CiConstant) { |
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461 CiConstant constant = (CiConstant) con; |
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462 push(constant.kind.stackKind(), appendConstant(constant)); |
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463 } else { |
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464 throw new Error("lookupConstant returned an object of incorrect type"); |
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465 } |
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466 } |
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467 |
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468 void genLoadIndexed(CiKind kind) { |
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469 FrameState stateBefore = curState.immutableCopy(bci()); |
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470 Value index = ipop(); |
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471 Value array = apop(); |
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472 Value length = null; |
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473 if (cseArrayLength(array)) { |
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474 length = append(new ArrayLength(array, stateBefore)); |
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475 } |
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476 Value v = append(new LoadIndexed(array, index, length, kind, stateBefore)); |
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477 push(kind.stackKind(), v); |
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478 } |
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479 |
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480 void genStoreIndexed(CiKind kind) { |
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481 FrameState stateBefore = curState.immutableCopy(bci()); |
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482 Value value = pop(kind.stackKind()); |
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483 Value index = ipop(); |
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484 Value array = apop(); |
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485 Value length = null; |
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486 if (cseArrayLength(array)) { |
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487 length = append(new ArrayLength(array, stateBefore)); |
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488 } |
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489 StoreIndexed result = new StoreIndexed(array, index, length, kind, value, stateBefore); |
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490 append(result); |
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491 if (memoryMap != null) { |
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492 memoryMap.storeValue(value); |
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493 } |
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494 } |
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495 |
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496 void stackOp(int opcode) { |
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497 switch (opcode) { |
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498 case POP: { |
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499 curState.xpop(); |
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500 break; |
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501 } |
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502 case POP2: { |
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503 curState.xpop(); |
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504 curState.xpop(); |
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505 break; |
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506 } |
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507 case DUP: { |
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508 Value w = curState.xpop(); |
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509 curState.xpush(w); |
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parents:
diff
changeset
|
510 curState.xpush(w); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
511 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
512 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
513 case DUP_X1: { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
514 Value w1 = curState.xpop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
515 Value w2 = curState.xpop(); |
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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:
diff
changeset
|
517 curState.xpush(w2); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
518 curState.xpush(w1); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
519 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
520 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
521 case DUP_X2: { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
522 Value w1 = curState.xpop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
523 Value w2 = curState.xpop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
524 Value w3 = curState.xpop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
525 curState.xpush(w1); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
526 curState.xpush(w3); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
527 curState.xpush(w2); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
528 curState.xpush(w1); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
529 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
530 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
531 case DUP2: { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
532 Value w1 = curState.xpop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
533 Value w2 = curState.xpop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
534 curState.xpush(w2); |
9ec15d6914ca
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
changeset
|
536 curState.xpush(w2); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
537 curState.xpush(w1); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
538 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
539 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
540 case DUP2_X1: { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
541 Value w1 = curState.xpop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
542 Value w2 = curState.xpop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
543 Value w3 = curState.xpop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
544 curState.xpush(w2); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
545 curState.xpush(w1); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
546 curState.xpush(w3); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
547 curState.xpush(w2); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
548 curState.xpush(w1); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
549 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
550 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
551 case DUP2_X2: { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
552 Value w1 = curState.xpop(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
553 Value w2 = curState.xpop(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
554 Value w3 = curState.xpop(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
555 Value w4 = curState.xpop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
556 curState.xpush(w2); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
557 curState.xpush(w1); |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
558 curState.xpush(w4); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
559 curState.xpush(w3); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
560 curState.xpush(w2); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
561 curState.xpush(w1); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
562 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
563 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
564 case SWAP: { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
565 Value w1 = curState.xpop(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
566 Value w2 = curState.xpop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
567 curState.xpush(w1); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
568 curState.xpush(w2); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
569 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
570 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
571 default: |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
572 throw Util.shouldNotReachHere(); |
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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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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
575 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
576 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
577 void genArithmeticOp(CiKind kind, int opcode) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
578 genArithmeticOp(kind, opcode, null); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
579 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
580 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
581 void genArithmeticOp(CiKind kind, int opcode, FrameState state) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
582 genArithmeticOp(kind, opcode, kind, kind, state); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
583 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
584 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
585 void genArithmeticOp(CiKind result, int opcode, CiKind x, CiKind y, FrameState state) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
586 Value yValue = pop(y); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
587 Value xValue = pop(x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
588 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
|
589 push(result, result1); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
590 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
591 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
592 void genNegateOp(CiKind kind) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
593 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
|
594 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
595 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
596 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
|
597 Value s = ipop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
598 Value x = pop(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
599 // note that strength reduction of e << K >>> K is correctly handled in canonicalizer now |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
600 push(kind, append(new ShiftOp(opcode, x, s))); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
601 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
602 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
603 void genLogicOp(CiKind kind, int opcode) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
604 Value y = pop(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
605 Value x = pop(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
606 push(kind, append(new LogicOp(opcode, x, y))); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
607 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
608 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
609 void genCompareOp(CiKind kind, int opcode, CiKind resultKind) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
610 Value y = pop(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
611 Value x = pop(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
612 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
|
613 if (!resultKind.isVoid()) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
614 ipush(value); |
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 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
617 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
618 void genConvert(int opcode, CiKind from, CiKind to) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
619 CiKind tt = to.stackKind(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
620 push(tt, append(new Convert(opcode, pop(from.stackKind()), tt))); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
621 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
622 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
623 void genIncrement() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
624 int index = stream().readLocalIndex(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
625 int delta = stream().readIncrement(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
626 Value x = curState.localAt(index); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
627 Value y = append(Constant.forInt(delta)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
628 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
|
629 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
630 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
631 void genGoto(int fromBCI, int toBCI) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
632 boolean isSafepoint = !scopeData.noSafepoints() && toBCI <= fromBCI; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
633 append(new Goto(blockAt(toBCI), null, isSafepoint)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
634 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
635 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
636 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
|
637 BlockBegin tsucc = blockAt(stream().readBranchDest()); |
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638 BlockBegin fsucc = blockAt(stream().nextBCI()); |
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639 int bci = stream().currentBCI(); |
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640 boolean isSafepoint = !scopeData.noSafepoints() && tsucc.bci() <= bci || fsucc.bci() <= bci; |
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641 append(new If(x, cond, false, y, tsucc, fsucc, isSafepoint ? stateBefore : null, isSafepoint)); |
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642 } |
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|
643 |
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644 void genIfZero(Condition cond) { |
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645 Value y = appendConstant(CiConstant.INT_0); |
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646 FrameState stateBefore = curState.immutableCopy(bci()); |
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647 Value x = ipop(); |
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648 ifNode(x, cond, y, stateBefore); |
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649 } |
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650 |
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651 void genIfNull(Condition cond) { |
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652 FrameState stateBefore = curState.immutableCopy(bci()); |
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653 Value y = appendConstant(CiConstant.NULL_OBJECT); |
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654 Value x = apop(); |
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655 ifNode(x, cond, y, stateBefore); |
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656 } |
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657 |
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658 void genIfSame(CiKind kind, Condition cond) { |
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659 FrameState stateBefore = curState.immutableCopy(bci()); |
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660 Value y = pop(kind); |
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661 Value x = pop(kind); |
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662 ifNode(x, cond, y, stateBefore); |
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663 } |
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664 |
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665 void genThrow(int bci) { |
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666 FrameState stateBefore = curState.immutableCopy(bci()); |
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667 Throw t = new Throw(apop(), stateBefore, !scopeData.noSafepoints()); |
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668 appendWithoutOptimization(t, bci); |
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669 } |
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670 |
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671 void genCheckCast() { |
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672 int cpi = stream().readCPI(); |
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673 RiType type = constantPool().lookupType(cpi, CHECKCAST); |
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674 boolean isInitialized = !C1XOptions.TestPatching && type.isResolved() && type.isInitialized(); |
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675 Value typeInstruction = genResolveClass(RiType.Representation.ObjectHub, type, isInitialized, cpi); |
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676 CheckCast c = new CheckCast(type, typeInstruction, apop(), null); |
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677 apush(append(c)); |
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678 checkForDirectCompare(c); |
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679 } |
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|
680 |
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681 void genInstanceOf() { |
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682 int cpi = stream().readCPI(); |
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683 RiType type = constantPool().lookupType(cpi, INSTANCEOF); |
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684 boolean isInitialized = !C1XOptions.TestPatching && type.isResolved() && type.isInitialized(); |
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685 Value typeInstruction = genResolveClass(RiType.Representation.ObjectHub, type, isInitialized, cpi); |
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686 InstanceOf i = new InstanceOf(type, typeInstruction, apop(), null); |
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687 ipush(append(i)); |
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688 checkForDirectCompare(i); |
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689 } |
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|
690 |
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691 private void checkForDirectCompare(TypeCheck check) { |
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692 RiType type = check.targetClass(); |
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693 if (!type.isResolved() || type.isArrayClass()) { |
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694 return; |
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695 } |
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696 if (assumeLeafClass(type)) { |
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697 check.setDirectCompare(); |
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698 } |
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|
699 } |
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|
700 |
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701 void genNewInstance(int cpi) { |
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702 FrameState stateBefore = curState.immutableCopy(bci()); |
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703 RiType type = constantPool().lookupType(cpi, NEW); |
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704 NewInstance n = new NewInstance(type, cpi, constantPool(), stateBefore); |
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705 if (memoryMap != null) { |
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|
706 memoryMap.newInstance(n); |
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parents:
diff
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|
707 } |
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|
708 apush(append(n)); |
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parents:
diff
changeset
|
709 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
710 |
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parents:
diff
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|
711 void genNewTypeArray(int typeCode) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
712 FrameState stateBefore = curState.immutableCopy(bci()); |
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parents:
diff
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713 CiKind kind = CiKind.fromArrayTypeCode(typeCode); |
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changeset
|
714 RiType elementType = compilation.runtime.asRiType(kind); |
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parents:
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changeset
|
715 apush(append(new NewTypeArray(ipop(), elementType, stateBefore))); |
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parents:
diff
changeset
|
716 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
717 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
718 void genNewObjectArray(int cpi) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
719 RiType type = constantPool().lookupType(cpi, ANEWARRAY); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
720 FrameState stateBefore = curState.immutableCopy(bci()); |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
721 NewArray n = new NewObjectArray(type, ipop(), stateBefore); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
722 apush(append(n)); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
723 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
724 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
725 void genNewMultiArray(int cpi) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
726 RiType type = constantPool().lookupType(cpi, MULTIANEWARRAY); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
727 FrameState stateBefore = curState.immutableCopy(bci()); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
728 int rank = stream().readUByte(bci() + 3); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
729 Value[] dims = new Value[rank]; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
730 for (int i = rank - 1; i >= 0; i--) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
731 dims[i] = ipop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
732 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
733 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
|
734 apush(append(n)); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
735 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
736 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
737 void genGetField(int cpi, RiField field) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
738 // Must copy the state here, because the field holder must still be on the stack. |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
739 FrameState stateBefore = curState.immutableCopy(bci()); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
740 boolean isLoaded = !C1XOptions.TestPatching && field.isResolved(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
741 LoadField load = new LoadField(apop(), field, false, stateBefore, isLoaded); |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
742 appendOptimizedLoadField(field.kind(), load); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
743 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
744 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
745 void genPutField(int cpi, RiField field) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
746 // Must copy the state here, because the field holder must still be on the stack. |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
747 FrameState stateBefore = curState.immutableCopy(bci()); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
748 boolean isLoaded = !C1XOptions.TestPatching && field.isResolved(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
749 Value value = pop(field.kind().stackKind()); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
750 appendOptimizedStoreField(new StoreField(apop(), field, value, false, stateBefore, isLoaded)); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
751 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
752 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
753 void genGetStatic(int cpi, RiField field) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
754 RiType holder = field.holder(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
755 boolean isInitialized = !C1XOptions.TestPatching && field.isResolved() && holder.isResolved() && holder.isInitialized(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
756 CiConstant constantValue = null; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
757 if (isInitialized && C1XOptions.CanonicalizeConstantFields) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
758 constantValue = field.constantValue(null); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
759 } |
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760 if (constantValue != null) { |
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761 push(constantValue.kind.stackKind(), appendConstant(constantValue)); |
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762 } else { |
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parents:
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763 Value container = genResolveClass(RiType.Representation.StaticFields, holder, isInitialized, cpi); |
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764 LoadField load = new LoadField(container, field, true, null, isInitialized); |
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765 appendOptimizedLoadField(field.kind(), load); |
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766 } |
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|
767 } |
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|
768 |
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769 void genPutStatic(int cpi, RiField field) { |
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770 RiType holder = field.holder(); |
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771 boolean isInitialized = !C1XOptions.TestPatching && field.isResolved() && holder.isResolved() && holder.isInitialized(); |
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772 Value container = genResolveClass(RiType.Representation.StaticFields, holder, isInitialized, cpi); |
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773 Value value = pop(field.kind().stackKind()); |
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774 StoreField store = new StoreField(container, field, value, true, null, isInitialized); |
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775 appendOptimizedStoreField(store); |
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Pull over of compiler from maxine repository.
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776 } |
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|
777 |
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|
778 private Value genResolveClass(RiType.Representation representation, RiType holder, boolean initialized, int cpi) { |
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779 Value holderInstr; |
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780 if (initialized) { |
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781 holderInstr = appendConstant(holder.getEncoding(representation)); |
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782 } else { |
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783 holderInstr = append(new ResolveClass(holder, representation, null)); |
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784 } |
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785 return holderInstr; |
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|
786 } |
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|
787 |
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788 private void appendOptimizedStoreField(StoreField store) { |
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789 if (memoryMap != null) { |
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790 StoreField previous = memoryMap.store(store); |
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791 if (previous == null) { |
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792 // the store is redundant, do not append |
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|
793 return; |
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794 } |
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795 } |
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|
796 append(store); |
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|
797 } |
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798 |
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799 private void appendOptimizedLoadField(CiKind kind, LoadField load) { |
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800 if (memoryMap != null) { |
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|
801 Value replacement = memoryMap.load(load); |
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802 if (replacement != load) { |
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parents:
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changeset
|
803 // the memory buffer found a replacement for this load (no need to append) |
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diff
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804 push(kind.stackKind(), replacement); |
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805 return; |
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806 } |
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parents:
diff
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|
807 } |
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|
808 // append the load to the instruction |
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|
809 Value optimized = append(load); |
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810 if (memoryMap != null && optimized != load) { |
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811 // local optimization happened, replace its value in the memory map |
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812 memoryMap.setResult(load, optimized); |
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813 } |
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814 push(kind.stackKind(), optimized); |
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|
815 } |
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|
816 |
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817 void genInvokeStatic(RiMethod target, int cpi, RiConstantPool constantPool) { |
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818 RiType holder = target.holder(); |
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819 boolean isInitialized = !C1XOptions.TestPatching && target.isResolved() && holder.isInitialized(); |
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820 if (!isInitialized && C1XOptions.ResolveClassBeforeStaticInvoke) { |
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821 // Re-use the same resolution code as for accessing a static field. Even though |
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822 // the result of resolution is not used by the invocation (only the side effect |
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823 // of initialization is required), it can be commoned with static field accesses. |
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824 genResolveClass(RiType.Representation.StaticFields, holder, isInitialized, cpi); |
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825 } |
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|
826 |
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827 Value[] args = curState.popArguments(target.signature().argumentSlots(false)); |
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828 if (!tryRemoveCall(target, args, true)) { |
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829 if (!tryInline(target, args)) { |
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830 appendInvoke(INVOKESTATIC, target, args, true, cpi, constantPool); |
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831 } |
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|
832 } |
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|
833 } |
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|
834 |
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835 void genInvokeInterface(RiMethod target, int cpi, RiConstantPool constantPool) { |
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836 Value[] args = curState.popArguments(target.signature().argumentSlots(true)); |
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837 if (!tryRemoveCall(target, args, false)) { |
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838 genInvokeIndirect(INVOKEINTERFACE, target, args, cpi, constantPool); |
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|
839 } |
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|
840 } |
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|
841 |
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|
842 void genInvokeVirtual(RiMethod target, int cpi, RiConstantPool constantPool) { |
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diff
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|
843 Value[] args = curState.popArguments(target.signature().argumentSlots(true)); |
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diff
changeset
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844 if (!tryRemoveCall(target, args, false)) { |
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845 genInvokeIndirect(INVOKEVIRTUAL, target, args, cpi, constantPool); |
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846 } |
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|
847 } |
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|
848 |
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849 void genInvokeSpecial(RiMethod target, RiType knownHolder, int cpi, RiConstantPool constantPool) { |
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850 Value[] args = curState.popArguments(target.signature().argumentSlots(true)); |
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851 if (!tryRemoveCall(target, args, false)) { |
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852 invokeDirect(target, args, knownHolder, cpi, constantPool); |
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853 } |
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diff
changeset
|
854 } |
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diff
changeset
|
855 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
856 /** |
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857 * Temporary work-around to support the @ACCESSOR Maxine annotation. |
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|
858 */ |
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|
859 private static final Class<?> Accessor; |
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860 static { |
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parents:
diff
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861 Class<?> c = null; |
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862 try { |
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|
863 c = Class.forName("com.sun.max.unsafe.Accessor"); |
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864 } catch (ClassNotFoundException e) { |
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865 } |
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diff
changeset
|
866 Accessor = c; |
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diff
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|
867 } |
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|
868 |
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changeset
|
869 /** |
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diff
changeset
|
870 * Temporary work-around to support the @ACCESSOR Maxine annotation. |
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|
871 */ |
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diff
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872 private static ThreadLocal<RiType> boundAccessor = new ThreadLocal<RiType>(); |
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|
873 |
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|
874 /** |
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|
875 * Temporary work-around to support the @ACCESSOR Maxine annotation. |
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diff
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|
876 */ |
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changeset
|
877 private static RiMethod bindAccessorMethod(RiMethod target) { |
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878 if (Accessor != null && target.isResolved() && target.holder().javaClass() == Accessor) { |
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parents:
diff
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879 RiType accessor = boundAccessor.get(); |
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880 assert accessor != null : "Cannot compile call to method in " + target.holder() + " without enclosing @ACCESSOR annotated method"; |
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881 RiMethod newTarget = accessor.resolveMethodImpl(target); |
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|
882 assert target != newTarget : "Could not bind " + target + " to a method in " + accessor; |
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883 target = newTarget; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
884 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
885 return target; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
886 } |
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 private void genInvokeIndirect(int opcode, RiMethod target, Value[] args, int cpi, RiConstantPool constantPool) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
889 Value receiver = args[0]; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
890 // attempt to devirtualize the call |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
891 if (target.isResolved()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
892 RiType klass = target.holder(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
893 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
894 // 0. check for trivial cases |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
895 if (target.canBeStaticallyBound() && !isAbstract(target.accessFlags())) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
896 // 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
|
897 invokeDirect(target, args, target.holder(), cpi, constantPool); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
898 return; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
899 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
900 // 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
|
901 RiType exact = getExactType(klass, receiver); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
902 if (exact != null && exact.isResolved()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
903 // 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
|
904 invokeDirect(exact.resolveMethodImpl(target), args, exact, cpi, constantPool); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
905 return; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
906 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
907 // 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
|
908 RiMethod leaf = getAssumedLeafMethod(target, receiver); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
909 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
|
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 method to " + leaf); |
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 invokeDirect(leaf, args, null, cpi, constantPool); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
914 return; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
915 } else if (C1XOptions.PrintAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
916 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
|
917 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
918 // 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
|
919 exact = getAssumedLeafType(klass, receiver); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
920 if (exact != null && exact.isResolved()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
921 RiMethod targetMethod = exact.resolveMethodImpl(target); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
922 if (C1XOptions.PrintAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
923 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
|
924 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
925 // 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
|
926 invokeDirect(targetMethod, args, exact, cpi, constantPool); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
927 return; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
928 } else if (C1XOptions.PrintAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
929 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
|
930 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
931 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
932 // devirtualization failed, produce an actual invokevirtual |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
933 appendInvoke(opcode, target, args, false, cpi, constantPool); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
934 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
935 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
936 private CiKind returnKind(RiMethod target) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
937 return target.signature().returnKind(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
938 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
939 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
940 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
|
941 if (!tryInline(target, args)) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
942 // could not optimize or inline the method call |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
943 appendInvoke(INVOKESPECIAL, target, args, false, cpi, constantPool); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
944 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
945 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
946 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
947 private void appendInvoke(int opcode, RiMethod target, Value[] args, boolean isStatic, int cpi, RiConstantPool constantPool) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
948 CiKind resultType = returnKind(target); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
949 Value result = append(new Invoke(opcode, resultType.stackKind(), args, isStatic, target, target.signature().returnType(compilation.method.holder()), null)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
950 pushReturn(resultType, result); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
951 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
952 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
953 private RiType getExactType(RiType staticType, Value receiver) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
954 RiType exact = staticType.exactType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
955 if (exact == null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
956 exact = receiver.exactType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
957 if (exact == null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
958 if (receiver.isConstant()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
959 exact = compilation.runtime.getTypeOf(receiver.asConstant()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
960 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
961 if (exact == null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
962 RiType declared = receiver.declaredType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
963 exact = declared == null || !declared.isResolved() ? null : declared.exactType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
964 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
965 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
966 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
967 return exact; |
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 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
970 private RiType getAssumedLeafType(RiType type) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
971 if (isFinal(type.accessFlags())) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
972 return type; |
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 RiType assumed = null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
975 if (C1XOptions.UseAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
976 assumed = type.uniqueConcreteSubtype(); |
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 if (C1XOptions.PrintAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
979 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
|
980 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
981 compilation.assumptions.recordConcreteSubtype(type, assumed); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
982 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
983 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
984 return assumed; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
985 } |
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 private RiType getAssumedLeafType(RiType staticType, Value receiver) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
988 RiType assumed = getAssumedLeafType(staticType); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
989 if (assumed != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
990 return assumed; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
991 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
992 RiType declared = receiver.declaredType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
993 if (declared != null && declared.isResolved()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
994 assumed = getAssumedLeafType(declared); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
995 return assumed; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
996 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
997 return null; |
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 private RiMethod getAssumedLeafMethod(RiMethod target, Value receiver) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1001 RiMethod assumed = getAssumedLeafMethod(target); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1002 if (assumed != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1003 return assumed; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1004 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1005 RiType declared = receiver.declaredType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1006 if (declared != null && declared.isResolved() && !declared.isInterface()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1007 RiMethod impl = declared.resolveMethodImpl(target); |
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1008 if (impl != null) { |
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1009 assumed = getAssumedLeafMethod(impl); |
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1010 } |
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1011 } |
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1012 return assumed; |
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1013 } |
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|
1014 |
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1015 void callRegisterFinalizer() { |
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1016 Value receiver = curState.loadLocal(0); |
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1017 RiType declaredType = receiver.declaredType(); |
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1018 RiType receiverType = declaredType; |
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1019 RiType exactType = receiver.exactType(); |
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1020 if (exactType == null && declaredType != null) { |
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1021 exactType = declaredType.exactType(); |
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1022 } |
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1023 if (exactType == null && receiver instanceof Local && ((Local) receiver).javaIndex() == 0) { |
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1024 // the exact type isn't known, but the receiver is parameter 0 => use holder |
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1025 receiverType = compilation.method.holder(); |
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1026 exactType = receiverType.exactType(); |
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|
1027 } |
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1028 boolean needsCheck = true; |
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1029 if (exactType != null) { |
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1030 // we have an exact type |
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1031 needsCheck = exactType.hasFinalizer(); |
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1032 } else { |
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1033 // if either the declared type of receiver or the holder can be assumed to have no finalizers |
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1034 if (declaredType != null && !declaredType.hasFinalizableSubclass()) { |
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1035 if (compilation.recordNoFinalizableSubclassAssumption(declaredType)) { |
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1036 needsCheck = false; |
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1037 } |
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1038 } |
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|
1039 |
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1040 if (receiverType != null && !receiverType.hasFinalizableSubclass()) { |
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1041 if (compilation.recordNoFinalizableSubclassAssumption(receiverType)) { |
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1042 needsCheck = false; |
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1043 } |
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|
1044 } |
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|
1045 } |
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|
1046 |
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|
1047 if (needsCheck) { |
2519
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2516
diff
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|
1048 // 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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|
1049 append(new RegisterFinalizer(curState.loadLocal(0), curState.immutableCopy(bci()))); |
2507
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1050 C1XMetrics.InlinedFinalizerChecks++; |
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1051 } |
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|
1052 } |
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Pull over of compiler from maxine repository.
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|
1053 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1054 void genReturn(Value x) { |
2519
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Removed intrinsics.
Thomas Wuerthinger <thomas@wuerthinger.net>
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2516
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1055 if (method().isConstructor() && method().holder().superType() == null) { |
2507
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1056 callRegisterFinalizer(); |
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|
1057 } |
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|
1058 |
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|
1059 // If inlining, then returns become gotos to the continuation point. |
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1060 if (scopeData.continuation() != null) { |
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1061 if (isSynchronized(method().accessFlags())) { |
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1062 // if the inlined method is synchronized, then the monitor |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1063 // must be released before jumping to the continuation point |
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1064 assert C1XOptions.OptInlineSynchronized; |
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1065 Value object = curState.lockAt(0); |
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1066 if (object instanceof Instruction) { |
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diff
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1067 Instruction obj = (Instruction) object; |
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1068 if (!obj.isAppended()) { |
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|
1069 appendWithoutOptimization(obj, Instruction.SYNCHRONIZATION_ENTRY_BCI); |
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|
1070 } |
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|
1071 } |
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|
1072 genMonitorExit(object, Instruction.SYNCHRONIZATION_ENTRY_BCI); |
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|
1073 } |
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|
1074 |
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|
1075 // empty stack for return value |
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|
1076 curState.truncateStack(0); |
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parents:
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|
1077 if (x != null) { |
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1078 curState.push(x.kind, x); |
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|
1079 } |
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1080 Goto gotoCallee = new Goto(scopeData.continuation(), null, false); |
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|
1081 |
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|
1082 // ATTN: assumption: curState is not used further down, else add .immutableCopy() |
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1083 scopeData.updateSimpleInlineInfo(curBlock, lastInstr, curState); |
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|
1084 |
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|
1085 // State at end of inlined method is the state of the caller |
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1086 // without the method parameters on stack, including the |
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1087 // return value, if any, of the inlined method on operand stack. |
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|
1088 curState = scopeData.continuationState().copy(); |
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|
1089 if (x != null) { |
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|
1090 curState.push(x.kind, x); |
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changeset
|
1091 } |
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diff
changeset
|
1092 |
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|
1093 // The current bci is in the wrong scope, so use the bci of the continuation point. |
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|
1094 appendWithoutOptimization(gotoCallee, scopeData.continuation().bci()); |
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|
1095 return; |
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|
1096 } |
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diff
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|
1097 |
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diff
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|
1098 curState.truncateStack(0); |
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changeset
|
1099 if (Modifier.isSynchronized(method().accessFlags())) { |
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|
1100 FrameState stateBefore = curState.immutableCopy(bci()); |
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1101 // unlock before exiting the method |
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1102 int lockNumber = curState.totalLocksSize() - 1; |
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changeset
|
1103 MonitorAddress lockAddress = null; |
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|
1104 if (compilation.runtime.sizeOfBasicObjectLock() != 0) { |
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1105 lockAddress = new MonitorAddress(lockNumber); |
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|
1106 append(lockAddress); |
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|
1107 } |
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|
1108 append(new MonitorExit(rootMethodSynchronizedObject, lockAddress, lockNumber, stateBefore)); |
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changeset
|
1109 curState.unlock(); |
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diff
changeset
|
1110 } |
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changeset
|
1111 append(new Return(x, !scopeData.noSafepoints())); |
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|
1112 } |
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diff
changeset
|
1113 |
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diff
changeset
|
1114 /** |
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|
1115 * Gets the number of locks held. |
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|
1116 */ |
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|
1117 private int locksSize() { |
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|
1118 return curState.locksSize(); |
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diff
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|
1119 } |
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|
1120 |
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|
1121 void genMonitorEnter(Value x, int bci) { |
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|
1122 int lockNumber = locksSize(); |
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changeset
|
1123 MonitorAddress lockAddress = null; |
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|
1124 if (compilation.runtime.sizeOfBasicObjectLock() != 0) { |
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|
1125 lockAddress = new MonitorAddress(lockNumber); |
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|
1126 append(lockAddress); |
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|
1127 } |
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1128 MonitorEnter monitorEnter = new MonitorEnter(x, lockAddress, lockNumber, null); |
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1129 appendWithoutOptimization(monitorEnter, bci); |
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1130 curState.lock(scope(), x, lockNumber + 1); |
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1131 monitorEnter.setStateAfter(curState.immutableCopy(bci)); |
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changeset
|
1132 killMemoryMap(); // prevent any optimizations across synchronization |
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Pull over of compiler from maxine repository.
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1133 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1134 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1135 void genMonitorExit(Value x, int bci) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1136 int lockNumber = curState.totalLocksSize() - 1; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1137 if (lockNumber < 0) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1138 throw new CiBailout("monitor stack underflow"); |
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Pull over of compiler from maxine repository.
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parents:
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|
1139 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1140 MonitorAddress lockAddress = null; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1141 if (compilation.runtime.sizeOfBasicObjectLock() != 0) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1142 lockAddress = new MonitorAddress(lockNumber); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1143 append(lockAddress); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1144 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
1145 appendWithoutOptimization(new MonitorExit(x, lockAddress, lockNumber, null), bci); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1146 curState.unlock(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1147 killMemoryMap(); // prevent any optimizations across synchronization |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1148 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1149 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1150 void genJsr(int dest) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1151 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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changeset
|
1152 if (cur.jsrEntryBCI() == dest) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1153 // the jsr/ret pattern includes a recursive invocation |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1154 throw new CiBailout("recursive jsr/ret structure"); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1155 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1156 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1157 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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1158 tryInlineJsr(dest); |
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Pull over of compiler from maxine repository.
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|
1159 } |
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Pull over of compiler from maxine repository.
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|
1160 |
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Pull over of compiler from maxine repository.
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|
1161 void genRet(int localIndex) { |
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Pull over of compiler from maxine repository.
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1162 if (!scopeData.parsingJsr()) { |
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Pull over of compiler from maxine repository.
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|
1163 throw new CiBailout("ret encountered when not parsing subroutine"); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1164 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1165 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1166 if (localIndex != scopeData.jsrEntryReturnAddressLocal()) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1167 throw new CiBailout("jsr/ret structure is too complicated"); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1168 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1169 // rets become non-safepoint gotos |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1170 append(new Goto(scopeData.jsrContinuation(), null, false)); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1171 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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changeset
|
1172 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
1173 void genTableswitch() { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1174 int bci = bci(); |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
1175 BytecodeTableSwitch ts = new BytecodeTableSwitch(stream(), bci); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1176 int max = ts.numberOfCases(); |
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Pull over of compiler from maxine repository.
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parents:
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1177 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:
diff
changeset
|
1178 boolean isBackwards = false; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1179 for (int i = 0; i < max; i++) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1180 // 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
changeset
|
1181 int offset = ts.offsetAt(i); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1182 list.add(blockAt(bci + offset)); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1183 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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|
1184 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1185 int offset = ts.defaultOffset(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1186 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
changeset
|
1187 list.add(blockAt(bci + offset)); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1188 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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|
1189 FrameState stateBefore = isSafepoint ? curState.immutableCopy(bci()) : null; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1190 append(new TableSwitch(ipop(), list, ts.lowKey(), stateBefore, isSafepoint)); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1191 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1192 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1193 void genLookupswitch() { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1194 int bci = bci(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1195 BytecodeLookupSwitch ls = new BytecodeLookupSwitch(stream(), bci); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1196 int max = ls.numberOfCases(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1197 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:
diff
changeset
|
1198 int[] keys = new int[max]; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1199 boolean isBackwards = false; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1200 for (int i = 0; i < max; i++) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1201 // 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
changeset
|
1202 int offset = ls.offsetAt(i); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1203 list.add(blockAt(bci + offset)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1204 keys[i] = ls.keyAt(i); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1205 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>
parents:
diff
changeset
|
1206 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1207 int offset = ls.defaultOffset(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1208 isBackwards |= offset < 0; // if the default successor is backwards |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1209 list.add(blockAt(bci + offset)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1210 boolean isSafepoint = isBackwards && !scopeData.noSafepoints(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1211 FrameState stateBefore = isSafepoint ? curState.immutableCopy(bci()) : null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1212 append(new LookupSwitch(ipop(), list, keys, stateBefore, isSafepoint)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1213 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1214 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1215 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1216 * Determines whether the length of an array should be extracted out as a separate instruction |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1217 * before an array indexing instruction. This exposes it to CSE. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1218 * @param array |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1219 * @return |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1220 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1221 private boolean cseArrayLength(Value array) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1222 // 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
|
1223 if (C1XOptions.OptCSEArrayLength) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1224 // always access the length for CSE |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1225 return true; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1226 } else if (array.isConstant()) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1227 // the array itself is a constant |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1228 return true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1229 } else if (array instanceof LoadField && ((LoadField) array).constantValue() != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1230 // 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
|
1231 return true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1232 } else if (array instanceof NewArray) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1233 // the array is derived from an allocation |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1234 final Value length = ((NewArray) array).length(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1235 return length != null && length.isConstant(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1236 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1237 return false; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1238 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1239 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1240 private Value appendConstant(CiConstant type) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1241 return appendWithBCI(new Constant(type), bci(), false); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1242 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1243 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1244 private Value append(Instruction x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1245 return appendWithBCI(x, bci(), C1XOptions.OptCanonicalize); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1246 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1247 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1248 private Value appendWithoutOptimization(Instruction x, int bci) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1249 return appendWithBCI(x, bci, false); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1250 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1251 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1252 private Value appendWithBCI(Instruction x, int bci, boolean canonicalize) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1253 if (canonicalize) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1254 // attempt simple constant folding and strength reduction |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1255 Value r = canonicalizer.canonicalize(x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1256 List<Instruction> extra = canonicalizer.extra(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1257 if (extra != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1258 // the canonicalization introduced instructions that should be added before this |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1259 for (Instruction i : extra) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1260 appendWithBCI(i, bci, false); // don't try to canonicalize the new instructions |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1261 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1262 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1263 if (r instanceof Instruction) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1264 // the result is an instruction that may need to be appended |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1265 x = (Instruction) r; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1266 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1267 // the result is not an instruction (and thus cannot be appended) |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1268 return r; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1269 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1270 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1271 if (x.isAppended()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1272 // the instruction has already been added |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1273 return x; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1274 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1275 if (localValueMap != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1276 // 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
|
1277 Value r = localValueMap.findInsert(x); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1278 if (r != x) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1279 C1XMetrics.LocalValueNumberHits++; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1280 if (r instanceof Instruction) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1281 assert ((Instruction) r).isAppended() : "instruction " + r + "is not appended"; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1282 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1283 return r; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1284 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1285 } |
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 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
|
1288 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
|
1289 if (lastInstr instanceof Base) { |
2519
f6125fb5bfbc
Removed intrinsics.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2516
diff
changeset
|
1290 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
|
1291 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1292 lastInstr = lastInstr.setNext(x, bci); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1293 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1294 if (++stats.nodeCount >= C1XOptions.MaximumInstructionCount) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1295 // 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
|
1296 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
|
1297 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1298 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1299 if (memoryMap != null && hasUncontrollableSideEffects(x)) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1300 // 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
|
1301 memoryMap.kill(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1302 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1303 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1304 if (x instanceof StateSplit) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1305 StateSplit stateSplit = (StateSplit) x; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1306 if (!stateSplit.isStateCleared() && stateSplit.stateBefore() == null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1307 stateSplit.setStateBefore(curState.immutableCopy(bci)); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1308 } |
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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 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1311 if (x.canTrap()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1312 // connect the instruction to any exception handlers |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1313 x.setExceptionHandlers(handleException(x, bci)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
1314 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1315 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1316 return x; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1317 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1318 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1319 private boolean hasUncontrollableSideEffects(Value x) { |
2519
f6125fb5bfbc
Removed intrinsics.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2516
diff
changeset
|
1320 return x instanceof Invoke || x instanceof ResolveClass; |
2507
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 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1323 private BlockBegin blockAtOrNull(int bci) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1324 return scopeData.blockAt(bci); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1325 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1326 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1327 private BlockBegin blockAt(int bci) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1328 BlockBegin result = blockAtOrNull(bci); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1329 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
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|
1330 return result; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1331 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1332 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1333 boolean tryInlineJsr(int jsrStart) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1334 // start a new continuation point. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1335 // all ret instructions will be replaced with gotos to this point |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1336 BlockBegin cont = blockAt(nextBCI()); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1337 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1338 // push callee scope |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1339 pushScopeForJsr(cont, jsrStart); |
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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 BlockBegin jsrStartBlock = blockAt(jsrStart); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1342 assert !jsrStartBlock.wasVisited(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1343 Goto gotoSub = new Goto(jsrStartBlock, null, false); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1344 gotoSub.setStateAfter(curState.immutableCopy(bci())); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1345 assert jsrStartBlock.stateBefore() == null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1346 jsrStartBlock.setStateBefore(curState.immutableCopy(bci())); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1347 append(gotoSub); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1348 curBlock.setEnd(gotoSub); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1349 lastInstr = curBlock = jsrStartBlock; |
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 scopeData.addToWorkList(jsrStartBlock); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1352 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1353 iterateAllBlocks(); |
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 if (cont.stateBefore() != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1356 if (!cont.wasVisited()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1357 scopeData.parent.addToWorkList(cont); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1358 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1359 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1360 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1361 BlockBegin jsrCont = scopeData.jsrContinuation(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1362 assert jsrCont == cont && (!jsrCont.wasVisited() || jsrCont.isParserLoopHeader()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1363 assert lastInstr != null && lastInstr instanceof BlockEnd; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1364 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1365 // 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
|
1366 skipBlock = true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1367 popScopeForJsr(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1368 C1XMetrics.InlinedJsrs++; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1369 return true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1370 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1371 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1372 void pushScopeForJsr(BlockBegin jsrCont, int jsrStart) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1373 BytecodeStream stream = new BytecodeStream(scope().method.code()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1374 RiConstantPool constantPool = scopeData.constantPool; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1375 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
|
1376 BlockBegin continuation = scopeData.continuation(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1377 data.setContinuation(continuation); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1378 if (continuation != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1379 assert scopeData.continuationState() != null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1380 data.setContinuationState(scopeData.continuationState().copy()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1381 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1382 data.setJsrContinuation(jsrCont); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1383 scopeData = data; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1384 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1385 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1386 void pushScope(RiMethod target, BlockBegin continuation) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1387 // prepare callee scope |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1388 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
|
1389 BlockMap blockMap = compilation.getBlockMap(calleeScope.method); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1390 calleeScope.setStoresInLoops(blockMap.getStoresInLoops()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1391 // prepare callee state |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1392 curState = curState.pushScope(calleeScope); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1393 BytecodeStream stream = new BytecodeStream(target.code()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1394 RiConstantPool constantPool = compilation.runtime.getConstantPool(target); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1395 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
|
1396 data.setContinuation(continuation); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1397 scopeData = data; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1398 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1399 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1400 MutableFrameState stateAtEntry(RiMethod method) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1401 MutableFrameState state = new MutableFrameState(scope(), -1, method.maxLocals(), method.maxStackSize()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1402 int index = 0; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1403 if (!isStatic(method.accessFlags())) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1404 // 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
|
1405 Local local = new Local(method.holder().kind(), index); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1406 local.setFlag(Value.Flag.NonNull, true); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1407 local.setDeclaredType(method.holder()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1408 state.storeLocal(index, local); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1409 index = 1; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1410 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1411 RiSignature sig = method.signature(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1412 int max = sig.argumentCount(false); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1413 RiType accessingClass = method.holder(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1414 for (int i = 0; i < max; i++) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1415 RiType type = sig.argumentTypeAt(i, accessingClass); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1416 CiKind kind = type.kind().stackKind(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1417 Local local = new Local(kind, index); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1418 if (type.isResolved()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1419 local.setDeclaredType(type); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1420 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1421 state.storeLocal(index, local); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1422 index += kind.sizeInSlots(); |
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 return state; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1425 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1426 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1427 boolean tryRemoveCall(RiMethod target, Value[] args, boolean isStatic) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1428 if (target.isResolved()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1429 if (C1XOptions.CanonicalizeFoldableMethods) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1430 // next try to fold the method call |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1431 if (tryFoldable(target, args)) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1432 return true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1433 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1434 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1435 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1436 return false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1437 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1438 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1439 private boolean tryFoldable(RiMethod target, Value[] args) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1440 CiConstant result = Canonicalizer.foldInvocation(compilation.runtime, target, args); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1441 if (result != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1442 if (C1XOptions.TraceBytecodeParserLevel > 0) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1443 log.println("|"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1444 log.println("| [folded " + target + " --> " + result + "]"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1445 log.println("|"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1446 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1447 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1448 pushReturn(returnKind(target), append(new Constant(result))); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1449 return true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1450 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1451 return false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1452 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1453 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1454 private boolean tryInline(RiMethod target, Value[] args) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1455 boolean forcedInline = compilation.runtime.mustInline(target); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1456 if (forcedInline) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1457 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
|
1458 if (scope.method.equals(target)) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1459 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
|
1460 } |
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 C1XMetrics.InlineForcedMethods++; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1463 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1464 if (forcedInline || checkInliningConditions(target)) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1465 if (C1XOptions.TraceBytecodeParserLevel > 0) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1466 log.adjustIndentation(1); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1467 log.println("\\"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1468 log.adjustIndentation(1); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1469 if (C1XOptions.TraceBytecodeParserLevel < TRACELEVEL_STATE) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1470 log.println("| [inlining " + target + "]"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1471 log.println("|"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1472 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1473 } |
2515
4fdef1464592
Removed extended bytecodes and related HIR instructions.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2509
diff
changeset
|
1474 |
4fdef1464592
Removed extended bytecodes and related HIR instructions.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2509
diff
changeset
|
1475 inline(target, args, forcedInline); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1476 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1477 if (C1XOptions.TraceBytecodeParserLevel > 0) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1478 if (C1XOptions.TraceBytecodeParserLevel < TRACELEVEL_STATE) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1479 log.println("|"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1480 log.println("| [return to " + curState.scope().method + "]"); |
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 log.adjustIndentation(-1); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1483 log.println("/"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1484 log.adjustIndentation(-1); |
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 return true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1487 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1488 return false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1489 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1490 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1491 private boolean checkInliningConditions(RiMethod target) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1492 if (!C1XOptions.OptInline) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1493 return false; // all inlining is turned off |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1494 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1495 if (!target.isResolved()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1496 return cannotInline(target, "unresolved method"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1497 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1498 if (target.code() == null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1499 return cannotInline(target, "method has no code"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1500 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1501 if (!target.holder().isInitialized()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1502 return cannotInline(target, "holder is not initialized"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1503 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1504 if (recursiveInlineLevel(target) > C1XOptions.MaximumRecursiveInlineLevel) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1505 return cannotInline(target, "recursive inlining too deep"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1506 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1507 if (target.code().length > scopeData.maxInlineSize()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1508 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
|
1509 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1510 if (scopeData.scope.level + 1 > C1XOptions.MaximumInlineLevel) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1511 return cannotInline(target, "inlining too deep"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1512 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1513 if (stats.nodeCount > C1XOptions.MaximumDesiredSize) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1514 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
|
1515 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1516 if (compilation.runtime.mustNotInline(target)) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1517 C1XMetrics.InlineForbiddenMethods++; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1518 return cannotInline(target, "inlining excluded by runtime"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1519 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1520 if (compilation.runtime.mustNotCompile(target)) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1521 return cannotInline(target, "compile excluded by runtime"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1522 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1523 if (isSynchronized(target.accessFlags()) && !C1XOptions.OptInlineSynchronized) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1524 return cannotInline(target, "is synchronized"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1525 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1526 if (target.exceptionHandlers().length != 0 && !C1XOptions.OptInlineExcept) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1527 return cannotInline(target, "has exception handlers"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1528 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1529 if (!target.hasBalancedMonitors()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1530 return cannotInline(target, "has unbalanced monitors"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1531 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1532 if (target.isConstructor()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1533 if (compilation.runtime.isExceptionType(target.holder())) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1534 // 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
|
1535 // rooted in a throwable class |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1536 if (!compilation.runtime.isExceptionType(rootScope().method.holder())) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1537 return cannotInline(target, "don't inline Throwable constructors"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1538 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1539 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1540 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1541 return true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1542 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1543 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1544 private boolean cannotInline(RiMethod target, String reason) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1545 if (C1XOptions.PrintInliningFailures) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1546 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
|
1547 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1548 return false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1549 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1550 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1551 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
|
1552 BlockBegin orig = curBlock; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1553 if (!forcedInline && !isStatic(target.accessFlags())) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1554 // 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
|
1555 Value receiver = args[0]; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1556 if (!receiver.isNonNull() && !receiver.kind.isWord()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1557 NullCheck check = new NullCheck(receiver, null); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1558 args[0] = append(check); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1559 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1560 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1561 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1562 // Introduce a new callee continuation point. All return instructions |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1563 // in the callee will be transformed to Goto's to the continuation |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1564 BlockBegin continuationBlock = blockAtOrNull(nextBCI()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1565 boolean continuationExisted = true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1566 if (continuationBlock == null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1567 // there was not already a block starting at the next BCI |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1568 continuationBlock = new BlockBegin(nextBCI(), ir.nextBlockNumber()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1569 continuationBlock.setDepthFirstNumber(0); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1570 continuationExisted = false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1571 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1572 // record the number of predecessors before inlining, to determine |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1573 // whether the inlined method has added edges to the continuation |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1574 int continuationPredecessors = continuationBlock.predecessors().size(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1575 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1576 // push the target scope |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1577 pushScope(target, continuationBlock); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1578 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1579 // pass parameters into the callee state |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1580 FrameState calleeState = curState; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1581 for (int i = 0; i < args.length; i++) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1582 Value arg = args[i]; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1583 if (arg != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1584 calleeState.storeLocal(i, arg); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1585 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1586 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1587 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1588 // setup state that is used at returns from the inlined method. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1589 // this is essentially the state of the continuation block, |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1590 // but without the return value on the stack. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1591 scopeData.setContinuationState(scope().callerState); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1592 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1593 Value lock = null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1594 BlockBegin syncHandler = null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1595 // inline the locking code if the target method is synchronized |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1596 if (Modifier.isSynchronized(target.accessFlags())) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1597 // lock the receiver object if it is an instance method, the class object otherwise |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1598 lock = synchronizedObject(curState, target); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1599 syncHandler = new BlockBegin(Instruction.SYNCHRONIZATION_ENTRY_BCI, ir.nextBlockNumber()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1600 syncHandler.setNext(null, -1); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1601 inlineSyncEntry(lock, syncHandler); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1602 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1603 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1604 BlockBegin calleeStartBlock = blockAt(0); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1605 if (calleeStartBlock.isParserLoopHeader()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1606 // the block is a loop header, so we have to insert a goto |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1607 Goto gotoCallee = new Goto(calleeStartBlock, null, false); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1608 gotoCallee.setStateAfter(curState.immutableCopy(bci())); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1609 appendWithoutOptimization(gotoCallee, 0); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1610 curBlock.setEnd(gotoCallee); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1611 calleeStartBlock.mergeOrClone(calleeState); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1612 lastInstr = curBlock = calleeStartBlock; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1613 scopeData.addToWorkList(calleeStartBlock); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1614 // now iterate over all the blocks |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1615 iterateAllBlocks(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1616 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1617 // ready to resume parsing inlined method into this block |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1618 iterateBytecodesForBlock(0, true); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1619 // now iterate over the rest of the blocks |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1620 iterateAllBlocks(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1621 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1622 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1623 assert continuationExisted || !continuationBlock.wasVisited() : "continuation should not have been parsed if we created it"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1624 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1625 ReturnBlock simpleInlineInfo = scopeData.simpleInlineInfo(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1626 if (simpleInlineInfo != null && curBlock == orig) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1627 // Optimization: during parsing of the callee we |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1628 // generated at least one Goto to the continuation block. If we |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1629 // generated exactly one, and if the inlined method spanned exactly |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1630 // one block (and we didn't have to Goto its entry), then we snip |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1631 // off the Goto to the continuation, allowing control to fall |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1632 // through back into the caller block and effectively performing |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1633 // block merging. This allows local load elimination and local value numbering |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1634 // 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
|
1635 // is currently essential to making inlining profitable. It also reduces the |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1636 // number of blocks in the CFG |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1637 lastInstr = simpleInlineInfo.returnPredecessor; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1638 curState = simpleInlineInfo.returnState.popScope(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1639 lastInstr.setNext(null, -1); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1640 } else if (continuationPredecessors == continuationBlock.predecessors().size()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1641 // 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
|
1642 // 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
|
1643 // in the callee was terminated by a return instruction). |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1644 // So skip filling this block with instructions! |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1645 assert continuationBlock == scopeData.continuation(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1646 assert lastInstr instanceof BlockEnd; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1647 skipBlock = true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1648 } else { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1649 // 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
|
1650 // Note that if we don't change lastInstr here, iteration in |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1651 // iterateBytecodesForBlock will stop when we return. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1652 if (!scopeData.continuation().wasVisited()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1653 // 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
|
1654 assert lastInstr instanceof BlockEnd; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1655 scopeData.parent.addToWorkList(scopeData.continuation()); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1656 skipBlock = true; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1657 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1658 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1659 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1660 // 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
|
1661 if (syncHandler != null && syncHandler.stateBefore() != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1662 // 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
|
1663 fillSyncHandler(lock, syncHandler, true); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1664 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1665 popScope(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1666 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1667 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1668 stats.inlineCount++; |
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 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1671 private Value synchronizedObject(FrameState curState2, RiMethod target) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1672 if (isStatic(target.accessFlags())) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1673 Constant classConstant = new Constant(target.holder().getEncoding(Representation.JavaClass)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1674 return appendWithoutOptimization(classConstant, Instruction.SYNCHRONIZATION_ENTRY_BCI); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1675 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1676 return curState2.localAt(0); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1677 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1678 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1679 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1680 private void inlineSyncEntry(Value lock, BlockBegin syncHandler) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1681 genMonitorEnter(lock, Instruction.SYNCHRONIZATION_ENTRY_BCI); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1682 syncHandler.setExceptionEntry(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1683 syncHandler.setBlockFlag(BlockBegin.BlockFlag.IsOnWorkList); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1684 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
|
1685 handler.setEntryBlock(syncHandler); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1686 scopeData.addExceptionHandler(handler); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1687 } |
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 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
|
1690 BlockBegin origBlock = curBlock; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1691 MutableFrameState origState = curState; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1692 Instruction origLast = lastInstr; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1693 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1694 lastInstr = curBlock = syncHandler; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1695 while (lastInstr.next() != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1696 // go forward to the end of the block |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1697 lastInstr = lastInstr.next(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1698 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1699 curState = syncHandler.stateBefore().copy(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1700 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1701 int bci = Instruction.SYNCHRONIZATION_ENTRY_BCI; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1702 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
|
1703 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1704 assert lock != null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1705 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
|
1706 if (lock instanceof Instruction) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1707 Instruction l = (Instruction) lock; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1708 if (!l.isAppended()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1709 lock = appendWithoutOptimization(l, Instruction.SYNCHRONIZATION_ENTRY_BCI); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1710 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1711 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1712 // exit the monitor |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1713 genMonitorExit(lock, Instruction.SYNCHRONIZATION_ENTRY_BCI); |
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 // exit the context of the synchronized method |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1716 if (inlinedMethod) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1717 popScope(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1718 bci = curState.scope().callerBCI(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1719 curState = curState.popScope(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1720 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1721 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1722 apush(exception); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1723 genThrow(bci); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1724 BlockEnd end = (BlockEnd) lastInstr; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1725 curBlock.setEnd(end); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1726 end.setStateAfter(curState.immutableCopy(bci())); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1727 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1728 curBlock = origBlock; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1729 curState = origState; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1730 lastInstr = origLast; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1731 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1732 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1733 private void iterateAllBlocks() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1734 BlockBegin b; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1735 while ((b = scopeData.removeFromWorkList()) != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1736 if (!b.wasVisited()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1737 b.setWasVisited(true); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1738 // now parse the block |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1739 killMemoryMap(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1740 curBlock = b; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1741 curState = b.stateBefore().copy(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1742 lastInstr = b; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1743 b.setNext(null, -1); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1744 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1745 iterateBytecodesForBlock(b.bci(), false); |
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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 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1748 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1749 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1750 private void popScope() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1751 int maxLocks = scope().maxLocks(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1752 scopeData = scopeData.parent; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1753 scope().updateMaxLocks(maxLocks); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1754 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1755 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1756 private void popScopeForJsr() { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1757 scopeData = scopeData.parent; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1758 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1759 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1760 private BlockEnd iterateBytecodesForBlock(int bci, boolean inliningIntoCurrentBlock) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1761 skipBlock = false; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1762 assert curState != null; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1763 BytecodeStream s = scopeData.stream; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1764 s.setBCI(bci); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1765 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1766 BlockBegin block = curBlock; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
1767 BlockEnd end = null; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1768 boolean pushException = block.isExceptionEntry() && block.next() == null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1769 int prevBCI = bci; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1770 int endBCI = s.endBCI(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1771 boolean blockStart = true; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1772 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1773 while (bci < endBCI) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1774 BlockBegin nextBlock = blockAtOrNull(bci); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1775 if (bci == 0 && inliningIntoCurrentBlock) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
1776 if (!nextBlock.isParserLoopHeader()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1777 // Ignore the block boundary of the entry block of a method |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1778 // being inlined unless the block is a loop header. |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1779 nextBlock = null; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1780 blockStart = false; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1781 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1782 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1783 if (nextBlock != null && nextBlock != block) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1784 // 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
|
1785 end = new Goto(nextBlock, null, false); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1786 lastInstr = lastInstr.setNext(end, prevBCI); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1787 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1788 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1789 // read the opcode |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1790 int opcode = s.currentBC(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1791 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1792 // push an exception object onto the stack if we are parsing an exception handler |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1793 if (pushException) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1794 FrameState stateBefore = curState.immutableCopy(bci()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1795 apush(append(new ExceptionObject(stateBefore))); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1796 pushException = false; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1797 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1798 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1799 traceState(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1800 traceInstruction(bci, s, opcode, blockStart); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1801 processBytecode(bci, s, opcode); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1802 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1803 prevBCI = bci; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1804 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1805 if (lastInstr instanceof BlockEnd) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1806 end = (BlockEnd) lastInstr; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1807 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1808 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1809 s.next(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1810 bci = s.currentBCI(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1811 blockStart = false; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1812 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1813 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1814 // stop processing of this block |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1815 if (skipBlock) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1816 skipBlock = false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1817 return (BlockEnd) lastInstr; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1818 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1819 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1820 // 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
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|
1821 if (end instanceof Return || end instanceof Throw) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1822 curState.clearStack(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1823 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1824 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1825 // connect to begin and set state |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1826 // NOTE that inlining may have changed the block we are parsing |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1827 assert end != null : "end should exist after iterating over bytecodes"; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1828 end.setStateAfter(curState.immutableCopy(bci())); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1829 curBlock.setEnd(end); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1830 // propagate the state |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1831 for (BlockBegin succ : end.successors()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1832 assert succ.predecessors().contains(curBlock); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1833 succ.mergeOrClone(end.stateAfter()); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1834 scopeData.addToWorkList(succ); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1835 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1836 return end; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1837 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1838 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1839 private void traceState() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1840 if (C1XOptions.TraceBytecodeParserLevel >= TRACELEVEL_STATE && !TTY.isSuppressed()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1841 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
|
1842 for (int i = 0; i < curState.localsSize(); ++i) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1843 Value value = curState.localAt(i); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1844 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>
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diff
changeset
|
1845 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1846 for (int i = 0; i < curState.stackSize(); ++i) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1847 Value value = curState.stackAt(i); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1848 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
|
1849 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1850 for (int i = 0; i < curState.locksSize(); ++i) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1851 Value value = curState.lockAt(i); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1852 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
|
1853 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1854 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1855 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1856 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1857 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
|
1858 int cpi; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1859 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1860 // Checkstyle: stop |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1861 switch (opcode) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1862 case NOP : /* nothing to do */ break; |
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Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
1863 case ACONST_NULL : apush(appendConstant(CiConstant.NULL_OBJECT)); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1864 case ICONST_M1 : ipush(appendConstant(CiConstant.INT_MINUS_1)); break; |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1865 case ICONST_0 : ipush(appendConstant(CiConstant.INT_0)); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1866 case ICONST_1 : ipush(appendConstant(CiConstant.INT_1)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
1867 case ICONST_2 : ipush(appendConstant(CiConstant.INT_2)); break; |
9ec15d6914ca
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parents:
diff
changeset
|
1868 case ICONST_3 : ipush(appendConstant(CiConstant.INT_3)); break; |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1869 case ICONST_4 : ipush(appendConstant(CiConstant.INT_4)); break; |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1870 case ICONST_5 : ipush(appendConstant(CiConstant.INT_5)); break; |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1871 case LCONST_0 : lpush(appendConstant(CiConstant.LONG_0)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
1872 case LCONST_1 : lpush(appendConstant(CiConstant.LONG_1)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1873 case FCONST_0 : fpush(appendConstant(CiConstant.FLOAT_0)); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1874 case FCONST_1 : fpush(appendConstant(CiConstant.FLOAT_1)); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1875 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
|
1876 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
|
1877 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
|
1878 case BIPUSH : ipush(appendConstant(CiConstant.forInt(s.readByte()))); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1879 case SIPUSH : ipush(appendConstant(CiConstant.forInt(s.readShort()))); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1880 case LDC : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1881 case LDC_W : // fall through |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1882 case LDC2_W : genLoadConstant(s.readCPI()); break; |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1883 case ILOAD : loadLocal(s.readLocalIndex(), CiKind.Int); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1884 case LLOAD : loadLocal(s.readLocalIndex(), CiKind.Long); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1885 case FLOAD : loadLocal(s.readLocalIndex(), CiKind.Float); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1886 case DLOAD : loadLocal(s.readLocalIndex(), CiKind.Double); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1887 case ALOAD : loadLocal(s.readLocalIndex(), CiKind.Object); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1888 case ILOAD_0 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1889 case ILOAD_1 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1890 case ILOAD_2 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1891 case ILOAD_3 : loadLocal(opcode - ILOAD_0, CiKind.Int); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1892 case LLOAD_0 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1893 case LLOAD_1 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1894 case LLOAD_2 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
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1895 case LLOAD_3 : loadLocal(opcode - LLOAD_0, CiKind.Long); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
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1896 case FLOAD_0 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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1897 case FLOAD_1 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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1898 case FLOAD_2 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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1899 case FLOAD_3 : loadLocal(opcode - FLOAD_0, CiKind.Float); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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1900 case DLOAD_0 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
1901 case DLOAD_1 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
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1902 case DLOAD_2 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
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1903 case DLOAD_3 : loadLocal(opcode - DLOAD_0, CiKind.Double); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1904 case ALOAD_0 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1905 case ALOAD_1 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1906 case ALOAD_2 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
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1907 case ALOAD_3 : loadLocal(opcode - ALOAD_0, CiKind.Object); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1908 case IALOAD : genLoadIndexed(CiKind.Int ); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1909 case LALOAD : genLoadIndexed(CiKind.Long ); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1910 case FALOAD : genLoadIndexed(CiKind.Float ); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
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1911 case DALOAD : genLoadIndexed(CiKind.Double); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1912 case AALOAD : genLoadIndexed(CiKind.Object); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1913 case BALOAD : genLoadIndexed(CiKind.Byte ); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
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1914 case CALOAD : genLoadIndexed(CiKind.Char ); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1915 case SALOAD : genLoadIndexed(CiKind.Short ); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1916 case ISTORE : storeLocal(CiKind.Int, s.readLocalIndex()); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
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1917 case LSTORE : storeLocal(CiKind.Long, s.readLocalIndex()); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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1918 case FSTORE : storeLocal(CiKind.Float, s.readLocalIndex()); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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1919 case DSTORE : storeLocal(CiKind.Double, s.readLocalIndex()); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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1920 case ASTORE : storeLocal(CiKind.Object, s.readLocalIndex()); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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1921 case ISTORE_0 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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1922 case ISTORE_1 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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1923 case ISTORE_2 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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1924 case ISTORE_3 : storeLocal(CiKind.Int, opcode - ISTORE_0); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1925 case LSTORE_0 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
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1926 case LSTORE_1 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
1927 case LSTORE_2 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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1928 case LSTORE_3 : storeLocal(CiKind.Long, opcode - LSTORE_0); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1929 case FSTORE_0 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1930 case FSTORE_1 : // fall through |
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parents:
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1931 case FSTORE_2 : // fall through |
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parents:
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1932 case FSTORE_3 : storeLocal(CiKind.Float, opcode - FSTORE_0); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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1933 case DSTORE_0 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1934 case DSTORE_1 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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1935 case DSTORE_2 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
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1936 case DSTORE_3 : storeLocal(CiKind.Double, opcode - DSTORE_0); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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1937 case ASTORE_0 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
1938 case ASTORE_1 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1939 case ASTORE_2 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
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1940 case ASTORE_3 : storeLocal(CiKind.Object, opcode - ASTORE_0); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1941 case IASTORE : genStoreIndexed(CiKind.Int ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1942 case LASTORE : genStoreIndexed(CiKind.Long ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1943 case FASTORE : genStoreIndexed(CiKind.Float ); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1944 case DASTORE : genStoreIndexed(CiKind.Double); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1945 case AASTORE : genStoreIndexed(CiKind.Object); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1946 case BASTORE : genStoreIndexed(CiKind.Byte ); break; |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1947 case CASTORE : genStoreIndexed(CiKind.Char ); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1948 case SASTORE : genStoreIndexed(CiKind.Short ); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1949 case POP : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1950 case POP2 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
1951 case DUP : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1952 case DUP_X1 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
1953 case DUP_X2 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1954 case DUP2 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1955 case DUP2_X1 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1956 case DUP2_X2 : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1957 case SWAP : stackOp(opcode); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1958 case IADD : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1959 case ISUB : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1960 case IMUL : genArithmeticOp(CiKind.Int, opcode); break; |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1961 case IDIV : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1962 case IREM : genArithmeticOp(CiKind.Int, opcode, curState.immutableCopy(bci())); break; |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1963 case LADD : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1964 case LSUB : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1965 case LMUL : genArithmeticOp(CiKind.Long, opcode); break; |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1966 case LDIV : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1967 case LREM : genArithmeticOp(CiKind.Long, opcode, curState.immutableCopy(bci())); break; |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1968 case FADD : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1969 case FSUB : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1970 case FMUL : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1971 case FDIV : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1972 case FREM : genArithmeticOp(CiKind.Float, opcode); break; |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1973 case DADD : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1974 case DSUB : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1975 case DMUL : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1976 case DDIV : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1977 case DREM : genArithmeticOp(CiKind.Double, opcode); break; |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1978 case INEG : genNegateOp(CiKind.Int); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1979 case LNEG : genNegateOp(CiKind.Long); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1980 case FNEG : genNegateOp(CiKind.Float); break; |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1981 case DNEG : genNegateOp(CiKind.Double); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1982 case ISHL : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1983 case ISHR : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
1984 case IUSHR : genShiftOp(CiKind.Int, opcode); break; |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1985 case IAND : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1986 case IOR : // fall through |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
1987 case IXOR : genLogicOp(CiKind.Int, opcode); break; |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1988 case LSHL : // fall through |
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1989 case LSHR : // fall through |
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|
1990 case LUSHR : genShiftOp(CiKind.Long, opcode); break; |
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|
1991 case LAND : // fall through |
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parents:
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changeset
|
1992 case LOR : // fall through |
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parents:
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|
1993 case LXOR : genLogicOp(CiKind.Long, opcode); break; |
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1994 case IINC : genIncrement(); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1995 case I2L : genConvert(opcode, CiKind.Int , CiKind.Long ); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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1996 case I2F : genConvert(opcode, CiKind.Int , CiKind.Float ); break; |
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parents:
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1997 case I2D : genConvert(opcode, CiKind.Int , CiKind.Double); break; |
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parents:
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1998 case L2I : genConvert(opcode, CiKind.Long , CiKind.Int ); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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1999 case L2F : genConvert(opcode, CiKind.Long , CiKind.Float ); break; |
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2000 case L2D : genConvert(opcode, CiKind.Long , CiKind.Double); break; |
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parents:
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2001 case F2I : genConvert(opcode, CiKind.Float , CiKind.Int ); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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2002 case F2L : genConvert(opcode, CiKind.Float , CiKind.Long ); break; |
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Pull over of compiler from maxine repository.
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parents:
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|
2003 case F2D : genConvert(opcode, CiKind.Float , CiKind.Double); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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2004 case D2I : genConvert(opcode, CiKind.Double, CiKind.Int ); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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2005 case D2L : genConvert(opcode, CiKind.Double, CiKind.Long ); break; |
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parents:
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|
2006 case D2F : genConvert(opcode, CiKind.Double, CiKind.Float ); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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2007 case I2B : genConvert(opcode, CiKind.Int , CiKind.Byte ); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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2008 case I2C : genConvert(opcode, CiKind.Int , CiKind.Char ); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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2009 case I2S : genConvert(opcode, CiKind.Int , CiKind.Short ); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
2010 case LCMP : genCompareOp(CiKind.Long, opcode, CiKind.Int); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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2011 case FCMPL : genCompareOp(CiKind.Float, opcode, CiKind.Int); break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
2012 case FCMPG : genCompareOp(CiKind.Float, opcode, CiKind.Int); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
2013 case DCMPL : genCompareOp(CiKind.Double, opcode, CiKind.Int); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
2014 case DCMPG : genCompareOp(CiKind.Double, opcode, CiKind.Int); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
2015 case IFEQ : genIfZero(Condition.EQ); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
2016 case IFNE : genIfZero(Condition.NE); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
2017 case IFLT : genIfZero(Condition.LT); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
2018 case IFGE : genIfZero(Condition.GE); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
2019 case IFGT : genIfZero(Condition.GT); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
2020 case IFLE : genIfZero(Condition.LE); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
2021 case IF_ICMPEQ : genIfSame(CiKind.Int, Condition.EQ); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
2022 case IF_ICMPNE : genIfSame(CiKind.Int, Condition.NE); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2023 case IF_ICMPLT : genIfSame(CiKind.Int, Condition.LT); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2024 case IF_ICMPGE : genIfSame(CiKind.Int, Condition.GE); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2025 case IF_ICMPGT : genIfSame(CiKind.Int, Condition.GT); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2026 case IF_ICMPLE : genIfSame(CiKind.Int, Condition.LE); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2027 case IF_ACMPEQ : genIfSame(peekKind(), Condition.EQ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2028 case IF_ACMPNE : genIfSame(peekKind(), Condition.NE); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2029 case GOTO : genGoto(s.currentBCI(), s.readBranchDest()); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2030 case JSR : genJsr(s.readBranchDest()); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2031 case RET : genRet(s.readLocalIndex()); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2032 case TABLESWITCH : genTableswitch(); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2033 case LOOKUPSWITCH : genLookupswitch(); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2034 case IRETURN : genReturn(ipop()); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2035 case LRETURN : genReturn(lpop()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2036 case FRETURN : genReturn(fpop()); break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2037 case DRETURN : genReturn(dpop()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2038 case ARETURN : genReturn(apop()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2039 case RETURN : genReturn(null ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2040 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
|
2041 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
|
2042 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
|
2043 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
|
2044 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
|
2045 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
|
2046 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
|
2047 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
|
2048 case NEW : genNewInstance(s.readCPI()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2049 case NEWARRAY : genNewTypeArray(s.readLocalIndex()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2050 case ANEWARRAY : genNewObjectArray(s.readCPI()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2051 case ARRAYLENGTH : genArrayLength(); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2052 case ATHROW : genThrow(s.currentBCI()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2053 case CHECKCAST : genCheckCast(); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2054 case INSTANCEOF : genInstanceOf(); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2055 case MONITORENTER : genMonitorEnter(apop(), s.currentBCI()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2056 case MONITOREXIT : genMonitorExit(apop(), s.currentBCI()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2057 case MULTIANEWARRAY : genNewMultiArray(s.readCPI()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2058 case IFNULL : genIfNull(Condition.EQ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2059 case IFNONNULL : genIfNull(Condition.NE); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2060 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
|
2061 case JSR_W : genJsr(s.readFarBranchDest()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2062 case BREAKPOINT: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2063 throw new CiBailout("concurrent setting of breakpoint"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2064 default: |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2065 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
|
2066 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2067 // Checkstyle: resume |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2068 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2069 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2070 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
|
2071 if (C1XOptions.TraceBytecodeParserLevel >= TRACELEVEL_INSTRUCTIONS && !TTY.isSuppressed()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2072 StringBuilder sb = new StringBuilder(40); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2073 sb.append(blockStart ? '+' : '|'); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2074 if (bci < 10) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2075 sb.append(" "); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2076 } else if (bci < 100) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2077 sb.append(' '); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2078 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2079 sb.append(bci).append(": ").append(Bytecodes.nameOf(opcode)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2080 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
|
2081 sb.append(' ').append(s.readUByte(i)); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2082 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2083 log.println(sb.toString()); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2084 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2085 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2086 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2087 private void genArrayLength() { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2088 FrameState stateBefore = curState.immutableCopy(bci()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2089 ipush(append(new ArrayLength(apop(), stateBefore))); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2090 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2091 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2092 void killMemoryMap() { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2093 if (localValueMap != null) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2094 localValueMap.killAll(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2095 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2096 if (memoryMap != null) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2097 memoryMap.kill(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2098 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2099 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2100 |
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2101 boolean assumeLeafClass(RiType type) { |
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Pull over of compiler from maxine repository.
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2102 if (type.isResolved()) { |
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2103 if (isFinal(type.accessFlags())) { |
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Pull over of compiler from maxine repository.
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2104 return true; |
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2105 } |
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2106 |
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2107 if (C1XOptions.UseAssumptions) { |
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2108 RiType assumed = type.uniqueConcreteSubtype(); |
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2109 if (assumed != null && assumed == type) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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2110 if (C1XOptions.PrintAssumptions) { |
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2111 TTY.println("Recording leaf class assumption for " + type.name()); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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2112 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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2113 compilation.assumptions.recordConcreteSubtype(type, assumed); |
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2114 return true; |
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2115 } |
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2116 } |
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2117 } |
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Pull over of compiler from maxine repository.
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2118 return false; |
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Pull over of compiler from maxine repository.
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2119 } |
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Pull over of compiler from maxine repository.
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2120 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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2121 RiMethod getAssumedLeafMethod(RiMethod method) { |
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Pull over of compiler from maxine repository.
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2122 if (method.isResolved()) { |
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2123 if (method.isLeafMethod()) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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2124 return method; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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2125 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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2126 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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2127 if (C1XOptions.UseAssumptions) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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2128 RiMethod assumed = method.uniqueConcreteMethod(); |
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2129 if (assumed != null) { |
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2130 if (C1XOptions.PrintAssumptions) { |
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2131 TTY.println("Recording concrete method assumption in context of " + method.holder().name() + ": " + assumed.name()); |
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2132 } |
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2133 compilation.assumptions.recordConcreteMethod(method, assumed); |
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2134 return assumed; |
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2135 } else { |
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2136 if (C1XOptions.PrintAssumptions) { |
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2137 TTY.println("Did not find unique concrete method for " + method); |
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2138 } |
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Pull over of compiler from maxine repository.
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2139 } |
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Pull over of compiler from maxine repository.
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2140 } |
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Pull over of compiler from maxine repository.
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2141 } |
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2142 return null; |
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Pull over of compiler from maxine repository.
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2143 } |
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Pull over of compiler from maxine repository.
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2144 |
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2145 private int recursiveInlineLevel(RiMethod target) { |
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2146 int rec = 0; |
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2147 IRScope scope = scope(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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2148 while (scope != null) { |
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2149 if (scope.method != target) { |
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2150 break; |
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2151 } |
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2152 scope = scope.caller; |
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2153 rec++; |
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Pull over of compiler from maxine repository.
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2154 } |
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Pull over of compiler from maxine repository.
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2155 return rec; |
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Pull over of compiler from maxine repository.
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2156 } |
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Pull over of compiler from maxine repository.
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2157 |
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2158 private RiConstantPool constantPool() { |
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2159 return scopeData.constantPool; |
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2160 } |
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2161 } |