Mercurial > hg > graal-compiler
annotate graal/GraalCompiler/src/com/sun/c1x/graph/GraphBuilder.java @ 2566:d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
author | Gilles Duboscq <gilles.duboscq@oracle.com> |
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date | Mon, 02 May 2011 10:24:16 +0200 |
parents | cc1f1d396288 |
children | 46586c77b129 |
rev | line source |
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1 /* |
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2 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 package com.sun.c1x.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.ir.*; |
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34 import com.sun.c1x.opt.*; |
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35 import com.sun.c1x.util.*; |
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36 import com.sun.c1x.value.*; |
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37 import com.sun.cri.bytecode.*; |
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38 import com.sun.cri.ci.*; |
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39 import com.sun.cri.ri.*; |
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40 import com.sun.cri.ri.RiType.Representation; |
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41 |
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42 /** |
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43 * The {@code GraphBuilder} class parses the bytecode of a method and builds the IR graph. |
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44 * A number of optimizations may be performed during parsing of the bytecode, including value |
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45 * numbering, inlining, constant folding, strength reduction, etc. |
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46 * |
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47 * @author Ben L. Titzer |
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48 * @author Doug Simon |
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49 */ |
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50 public final class GraphBuilder { |
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51 |
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52 /** |
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53 * The minimum value to which {@link C1XOptions#TraceBytecodeParserLevel} must be set to trace |
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54 * the bytecode instructions as they are parsed. |
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55 */ |
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56 public static final int TRACELEVEL_INSTRUCTIONS = 1; |
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57 |
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58 /** |
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59 * The minimum value to which {@link C1XOptions#TraceBytecodeParserLevel} must be set to trace |
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60 * the frame state before each bytecode instruction as it is parsed. |
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61 */ |
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62 public static final int TRACELEVEL_STATE = 2; |
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63 |
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64 /** |
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65 * An enumeration of flags describing scope attributes. |
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66 */ |
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67 public enum Flag { |
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68 /** |
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69 * Scope is protected by an exception handler. |
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70 * This attribute is inherited by nested scopes. |
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71 */ |
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72 HasHandler, |
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73 |
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74 /** |
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75 * Code in scope cannot contain safepoints. |
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76 * This attribute is inherited by nested scopes. |
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77 */ |
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78 NoSafepoints; |
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79 |
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80 public final int mask = 1 << ordinal(); |
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81 } |
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82 |
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83 final IR ir; |
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84 final C1XCompilation compilation; |
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85 final CiStatistics stats; |
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86 |
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87 /** |
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88 * Map used to implement local value numbering for the current block. |
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89 */ |
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90 final ValueMap localValueMap; |
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91 |
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92 /** |
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93 * Map used for local load elimination (i.e. within the current block). |
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94 */ |
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95 final MemoryMap memoryMap; |
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96 |
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97 final BytecodeStream stream; // the bytecode stream |
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98 // bci-to-block mapping |
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99 BlockMap blockMap; |
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100 |
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101 // the constant pool |
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102 final RiConstantPool constantPool; |
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103 |
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104 // the worklist of blocks, managed like a sorted list |
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105 BlockBegin[] workList; |
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106 |
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107 // the current position in the worklist |
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108 int workListIndex; |
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109 |
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110 /** |
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111 * Mask of {@link Flag} values. |
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112 */ |
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113 int flags; |
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114 |
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115 // Exception handler list |
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116 List<ExceptionHandler> exceptionHandlers; |
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117 |
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118 BlockBegin curBlock; // the current block |
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119 MutableFrameState curState; // the current execution state |
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120 Instruction lastInstr; // the last instruction added |
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121 final LogStream log; |
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122 |
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123 boolean skipBlock; // skip processing of the rest of this block |
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124 private Value rootMethodSynchronizedObject; |
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125 /** |
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126 * Creates a new, initialized, {@code GraphBuilder} instance for a given compilation. |
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127 * |
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128 * @param compilation the compilation |
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129 * @param ir the IR to build the graph into |
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130 */ |
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131 public GraphBuilder(C1XCompilation compilation, IR ir) { |
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132 this.compilation = compilation; |
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133 this.ir = ir; |
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134 this.stats = compilation.stats; |
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135 this.memoryMap = C1XOptions.OptLocalLoadElimination ? new MemoryMap() : null; |
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136 this.localValueMap = C1XOptions.OptLocalValueNumbering ? new ValueMap() : null; |
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137 log = C1XOptions.TraceBytecodeParserLevel > 0 ? new LogStream(TTY.out()) : null; |
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138 stream = new BytecodeStream(compilation.method.code()); |
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139 constantPool = compilation.runtime.getConstantPool(compilation.method); |
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140 } |
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141 |
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142 /** |
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143 * Builds the graph for a the specified {@code IRScope}. |
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144 * @param scope the top IRScope |
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145 */ |
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146 public void build() { |
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147 RiMethod rootMethod = compilation.method; |
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148 |
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149 if (log != null) { |
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150 log.println(); |
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151 log.println("Compiling " + compilation.method); |
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152 } |
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153 |
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154 if (rootMethod.noSafepoints()) { |
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155 flags |= Flag.NoSafepoints.mask; |
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156 } |
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157 |
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158 // 1. create the start block |
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159 ir.startBlock = new BlockBegin(0, ir.nextBlockNumber()); |
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160 BlockBegin startBlock = ir.startBlock; |
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161 |
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162 // 2. compute the block map, setup exception handlers and get the entrypoint(s) |
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163 blockMap = compilation.getBlockMap(rootMethod); |
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164 BlockBegin stdEntry = blockMap.get(0); |
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165 curBlock = startBlock; |
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166 |
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167 RiExceptionHandler[] handlers = rootMethod.exceptionHandlers(); |
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168 if (handlers != null && handlers.length > 0) { |
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169 exceptionHandlers = new ArrayList<ExceptionHandler>(handlers.length); |
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170 for (RiExceptionHandler ch : handlers) { |
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171 ExceptionHandler h = new ExceptionHandler(ch); |
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172 h.setEntryBlock(blockAt(h.handler.handlerBCI())); |
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173 exceptionHandlers.add(h); |
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174 } |
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175 flags |= Flag.HasHandler.mask; |
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176 } |
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177 |
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178 MutableFrameState initialState = stateAtEntry(rootMethod); |
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179 startBlock.mergeOrClone(initialState, rootMethod); |
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180 BlockBegin syncHandler = null; |
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181 |
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182 // 3. setup internal state for appending instructions |
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183 curBlock = startBlock; |
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184 lastInstr = startBlock; |
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185 lastInstr.setNext(null, -1); |
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186 curState = initialState; |
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187 |
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188 if (isSynchronized(rootMethod.accessFlags())) { |
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189 // 4A.1 add a monitor enter to the start block |
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190 rootMethodSynchronizedObject = synchronizedObject(initialState, compilation.method); |
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191 genMonitorEnter(rootMethodSynchronizedObject, Instruction.SYNCHRONIZATION_ENTRY_BCI); |
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192 // 4A.2 finish the start block |
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193 finishStartBlock(startBlock, stdEntry); |
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194 |
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195 // 4A.3 setup an exception handler to unlock the root method synchronized object |
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196 syncHandler = new BlockBegin(Instruction.SYNCHRONIZATION_ENTRY_BCI, ir.nextBlockNumber()); |
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197 syncHandler.setExceptionEntry(); |
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198 syncHandler.setBlockFlag(BlockBegin.BlockFlag.IsOnWorkList); |
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199 syncHandler.setBlockFlag(BlockBegin.BlockFlag.DefaultExceptionHandler); |
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200 |
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201 ExceptionHandler h = new ExceptionHandler(new CiExceptionHandler(0, rootMethod.code().length, -1, 0, null)); |
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202 h.setEntryBlock(syncHandler); |
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203 addExceptionHandler(h); |
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204 } else { |
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205 // 4B.1 simply finish the start block |
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206 finishStartBlock(startBlock, stdEntry); |
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207 } |
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208 |
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209 // 5. SKIPPED: look for intrinsics |
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210 |
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211 // 6B.1 do the normal parsing |
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212 addToWorkList(stdEntry); |
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213 iterateAllBlocks(); |
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214 |
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215 if (syncHandler != null && syncHandler.stateBefore() != null) { |
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216 // generate unlocking code if the exception handler is reachable |
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217 fillSyncHandler(rootMethodSynchronizedObject, syncHandler, false); |
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218 } |
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219 } |
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220 |
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221 private void finishStartBlock(BlockBegin startBlock, BlockBegin stdEntry) { |
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222 assert curBlock == startBlock; |
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223 Base base = new Base(stdEntry); |
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224 appendWithoutOptimization(base, 0); |
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225 FrameState stateAfter = curState.immutableCopy(bci()); |
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226 base.setStateAfter(stateAfter); |
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227 startBlock.setEnd(base); |
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228 assert stdEntry.stateBefore() == null; |
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229 stdEntry.mergeOrClone(stateAfter, method()); |
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230 } |
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231 |
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232 public RiMethod method() { |
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233 return compilation.method; |
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234 } |
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235 |
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236 public BytecodeStream stream() { |
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237 return stream; |
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238 } |
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239 |
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240 public int bci() { |
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241 return stream.currentBCI(); |
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242 } |
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243 |
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244 public int nextBCI() { |
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245 return stream.nextBCI(); |
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246 } |
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247 |
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248 private void ipush(Value x) { |
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249 curState.ipush(x); |
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250 } |
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251 |
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252 private void lpush(Value x) { |
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253 curState.lpush(x); |
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254 } |
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255 |
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256 private void fpush(Value x) { |
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257 curState.fpush(x); |
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258 } |
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259 |
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260 private void dpush(Value x) { |
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261 curState.dpush(x); |
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262 } |
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263 |
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264 private void apush(Value x) { |
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265 curState.apush(x); |
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266 } |
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267 |
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268 private void wpush(Value x) { |
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269 curState.wpush(x); |
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270 } |
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271 |
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272 private void push(CiKind kind, Value x) { |
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273 curState.push(kind, x); |
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274 } |
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275 |
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276 private void pushReturn(CiKind kind, Value x) { |
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277 if (kind != CiKind.Void) { |
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278 curState.push(kind.stackKind(), x); |
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279 } |
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280 } |
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281 |
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282 private Value ipop() { |
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283 return curState.ipop(); |
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284 } |
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285 |
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286 private Value lpop() { |
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287 return curState.lpop(); |
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288 } |
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289 |
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290 private Value fpop() { |
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291 return curState.fpop(); |
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292 } |
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293 |
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294 private Value dpop() { |
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295 return curState.dpop(); |
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296 } |
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297 |
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298 private Value apop() { |
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299 return curState.apop(); |
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300 } |
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301 |
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302 private Value wpop() { |
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303 return curState.wpop(); |
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304 } |
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305 |
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306 private Value pop(CiKind kind) { |
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307 return curState.pop(kind); |
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308 } |
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309 |
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310 private CiKind peekKind() { |
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311 Value top = curState.stackAt(curState.stackSize() - 1); |
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312 if (top == null) { |
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313 top = curState.stackAt(curState.stackSize() - 2); |
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314 assert top != null; |
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315 assert top.kind.isDoubleWord(); |
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316 } |
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317 return top.kind; |
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318 } |
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319 |
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320 private void loadLocal(int index, CiKind kind) { |
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321 push(kind, curState.loadLocal(index)); |
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322 } |
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323 |
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324 private void storeLocal(CiKind kind, int index) { |
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325 curState.storeLocal(index, pop(kind)); |
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326 } |
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327 |
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328 List<ExceptionHandler> handleException(Instruction x, int bci) { |
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329 if (!hasHandler()) { |
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330 return Util.uncheckedCast(Collections.EMPTY_LIST); |
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331 } |
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332 |
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333 ArrayList<ExceptionHandler> exceptionHandlers = new ArrayList<ExceptionHandler>(); |
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334 FrameState stateBefore = x.stateBefore(); |
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335 int scopeCount = 0; |
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336 |
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337 assert stateBefore != null : "exception handler state must be available for " + x; |
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338 FrameState state = stateBefore; |
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339 assert bci == Instruction.SYNCHRONIZATION_ENTRY_BCI || bci == bci() : "invalid bci"; |
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340 |
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341 // join with all potential exception handlers |
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342 if (this.exceptionHandlers != null) { |
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343 for (ExceptionHandler handler : this.exceptionHandlers) { |
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344 if (handler.covers(bci)) { |
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345 // if the handler covers this bytecode index, add it to the list |
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346 if (addExceptionHandler(exceptionHandlers, handler, state, scopeCount)) { |
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347 // if the handler was a default handler, we are done |
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348 return exceptionHandlers; |
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349 } |
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350 } |
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351 } |
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352 } |
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353 |
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354 return exceptionHandlers; |
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355 } |
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356 |
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357 /** |
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358 * Adds an exception handler to the {@linkplain BlockBegin#exceptionHandlerBlocks() list} |
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359 * of exception handlers for the {@link #curBlock current block}. |
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360 * |
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361 * @param exceptionHandlers |
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362 * @param handler |
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363 * @param curScopeData |
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364 * @param curState the current state with empty stack |
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365 * @param scopeCount |
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366 * @return {@code true} if handler catches all exceptions (i.e. {@code handler.isCatchAll() == true}) |
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367 */ |
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368 private boolean addExceptionHandler(ArrayList<ExceptionHandler> exceptionHandlers, ExceptionHandler handler, FrameState curState, int scopeCount) { |
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369 compilation.setHasExceptionHandlers(); |
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370 |
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371 BlockBegin entry = handler.entryBlock(); |
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372 FrameState entryState = entry.stateBefore(); |
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373 |
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374 assert entry.bci() == handler.handler.handlerBCI(); |
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375 assert entryState == null || curState.locksSize() == entryState.locksSize() : "locks do not match : cur:"+curState.locksSize()+" entry:"+entryState.locksSize(); |
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376 |
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377 // exception handler starts with an empty expression stack |
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378 curState = curState.immutableCopyWithEmptyStack(); |
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379 |
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380 entry.mergeOrClone(curState, method()); |
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381 |
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382 // add current state for correct handling of phi functions |
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383 int phiOperand = entry.addExceptionState(curState); |
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384 |
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385 // add entry to the list of exception handlers of this block |
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386 curBlock.addExceptionHandler(entry); |
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387 |
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388 // add back-edge from exception handler entry to this block |
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389 if (!entry.predecessors().contains(curBlock)) { |
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390 entry.addPredecessor(curBlock); |
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391 } |
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392 |
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393 // clone exception handler |
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394 ExceptionHandler newHandler = new ExceptionHandler(handler); |
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395 newHandler.setPhiOperand(phiOperand); |
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396 newHandler.setScopeCount(scopeCount); |
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397 exceptionHandlers.add(newHandler); |
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398 |
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399 // fill in exception handler subgraph lazily |
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400 if (!entry.wasVisited()) { |
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401 addToWorkList(entry); |
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402 } else { |
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403 // This will occur for exception handlers that cover themselves. This code |
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404 // pattern is generated by javac for synchronized blocks. See the following |
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405 // for why this change to javac was made: |
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406 // |
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407 // http://www.cs.arizona.edu/projects/sumatra/hallofshame/java-async-race.html |
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408 } |
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409 |
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410 // stop when reaching catch all |
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411 return handler.isCatchAll(); |
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412 } |
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413 |
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414 void genLoadConstant(int cpi) { |
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415 Object con = constantPool().lookupConstant(cpi); |
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416 |
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417 if (con instanceof RiType) { |
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418 // this is a load of class constant which might be unresolved |
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419 RiType riType = (RiType) con; |
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420 if (!riType.isResolved() || C1XOptions.TestPatching) { |
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421 push(CiKind.Object, append(new ResolveClass(riType, RiType.Representation.JavaClass, null))); |
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422 } else { |
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423 push(CiKind.Object, append(new Constant(riType.getEncoding(Representation.JavaClass)))); |
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424 } |
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425 } else if (con instanceof CiConstant) { |
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426 CiConstant constant = (CiConstant) con; |
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427 push(constant.kind.stackKind(), appendConstant(constant)); |
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428 } else { |
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429 throw new Error("lookupConstant returned an object of incorrect type"); |
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430 } |
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431 } |
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432 |
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433 void genLoadIndexed(CiKind kind) { |
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434 FrameState stateBefore = curState.immutableCopy(bci()); |
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435 Value index = ipop(); |
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436 Value array = apop(); |
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437 Value length = null; |
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438 if (cseArrayLength(array)) { |
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439 length = append(new ArrayLength(array, stateBefore)); |
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440 } |
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441 Value v = append(new LoadIndexed(array, index, length, kind, stateBefore)); |
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442 push(kind.stackKind(), v); |
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443 } |
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444 |
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445 void genStoreIndexed(CiKind kind) { |
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446 FrameState stateBefore = curState.immutableCopy(bci()); |
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447 Value value = pop(kind.stackKind()); |
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448 Value index = ipop(); |
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449 Value array = apop(); |
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450 Value length = null; |
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451 if (cseArrayLength(array)) { |
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452 length = append(new ArrayLength(array, stateBefore)); |
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453 } |
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454 StoreIndexed result = new StoreIndexed(array, index, length, kind, value, stateBefore); |
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455 append(result); |
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456 if (memoryMap != null) { |
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457 memoryMap.storeValue(value); |
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458 } |
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459 } |
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460 |
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461 void stackOp(int opcode) { |
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462 switch (opcode) { |
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463 case POP: { |
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464 curState.xpop(); |
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465 break; |
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466 } |
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467 case POP2: { |
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468 curState.xpop(); |
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469 curState.xpop(); |
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470 break; |
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471 } |
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472 case DUP: { |
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473 Value w = curState.xpop(); |
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474 curState.xpush(w); |
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475 curState.xpush(w); |
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476 break; |
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477 } |
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478 case DUP_X1: { |
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479 Value w1 = curState.xpop(); |
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480 Value w2 = curState.xpop(); |
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481 curState.xpush(w1); |
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482 curState.xpush(w2); |
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483 curState.xpush(w1); |
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484 break; |
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485 } |
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486 case DUP_X2: { |
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487 Value w1 = curState.xpop(); |
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488 Value w2 = curState.xpop(); |
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489 Value w3 = curState.xpop(); |
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490 curState.xpush(w1); |
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491 curState.xpush(w3); |
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492 curState.xpush(w2); |
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493 curState.xpush(w1); |
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494 break; |
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495 } |
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496 case DUP2: { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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changeset
|
497 Value w1 = curState.xpop(); |
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Pull over of compiler from maxine repository.
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parents:
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498 Value w2 = curState.xpop(); |
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Pull over of compiler from maxine repository.
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parents:
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|
499 curState.xpush(w2); |
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parents:
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500 curState.xpush(w1); |
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parents:
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|
501 curState.xpush(w2); |
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parents:
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|
502 curState.xpush(w1); |
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parents:
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503 break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
504 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
505 case DUP2_X1: { |
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parents:
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506 Value w1 = curState.xpop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
507 Value w2 = curState.xpop(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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508 Value w3 = curState.xpop(); |
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Pull over of compiler from maxine repository.
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parents:
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509 curState.xpush(w2); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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510 curState.xpush(w1); |
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parents:
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|
511 curState.xpush(w3); |
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parents:
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|
512 curState.xpush(w2); |
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parents:
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513 curState.xpush(w1); |
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parents:
diff
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|
514 break; |
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Pull over of compiler from maxine repository.
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parents:
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|
515 } |
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Pull over of compiler from maxine repository.
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parents:
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|
516 case DUP2_X2: { |
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parents:
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517 Value w1 = curState.xpop(); |
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parents:
diff
changeset
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518 Value w2 = curState.xpop(); |
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parents:
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changeset
|
519 Value w3 = curState.xpop(); |
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parents:
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520 Value w4 = curState.xpop(); |
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521 curState.xpush(w2); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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522 curState.xpush(w1); |
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523 curState.xpush(w4); |
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Pull over of compiler from maxine repository.
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524 curState.xpush(w3); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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525 curState.xpush(w2); |
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parents:
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526 curState.xpush(w1); |
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parents:
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|
527 break; |
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Pull over of compiler from maxine repository.
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528 } |
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parents:
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|
529 case SWAP: { |
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parents:
diff
changeset
|
530 Value w1 = curState.xpop(); |
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parents:
diff
changeset
|
531 Value w2 = curState.xpop(); |
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parents:
diff
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532 curState.xpush(w1); |
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parents:
diff
changeset
|
533 curState.xpush(w2); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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534 break; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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535 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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536 default: |
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parents:
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537 throw Util.shouldNotReachHere(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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538 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
539 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
540 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
541 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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542 void genArithmeticOp(CiKind kind, int opcode) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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543 genArithmeticOp(kind, opcode, null); |
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|
544 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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|
545 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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546 void genArithmeticOp(CiKind kind, int opcode, FrameState state) { |
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parents:
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547 genArithmeticOp(kind, opcode, kind, kind, state); |
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parents:
diff
changeset
|
548 } |
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parents:
diff
changeset
|
549 |
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parents:
diff
changeset
|
550 void genArithmeticOp(CiKind result, int opcode, CiKind x, CiKind y, FrameState state) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
551 Value yValue = pop(y); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
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552 Value xValue = pop(x); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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553 Value result1 = append(new ArithmeticOp(opcode, result, xValue, yValue, isStrict(method().accessFlags()), state)); |
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parents:
diff
changeset
|
554 push(result, result1); |
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parents:
diff
changeset
|
555 } |
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parents:
diff
changeset
|
556 |
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parents:
diff
changeset
|
557 void genNegateOp(CiKind kind) { |
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parents:
diff
changeset
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558 push(kind, append(new NegateOp(pop(kind)))); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
559 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
560 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
561 void genShiftOp(CiKind kind, int opcode) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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562 Value s = ipop(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
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563 Value x = pop(kind); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
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564 // 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
|
565 push(kind, append(new ShiftOp(opcode, x, s))); |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
566 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
567 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
568 void genLogicOp(CiKind kind, int opcode) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
569 Value y = pop(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
570 Value x = pop(kind); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
571 push(kind, append(new LogicOp(opcode, x, y))); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
572 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
573 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
574 void genCompareOp(CiKind kind, int opcode, CiKind resultKind) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
575 Value y = pop(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
576 Value x = pop(kind); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
577 Value value = append(new CompareOp(opcode, resultKind, x, y)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
578 if (!resultKind.isVoid()) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
579 ipush(value); |
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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 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
582 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
583 void genConvert(int opcode, CiKind from, CiKind to) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
584 CiKind tt = to.stackKind(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
585 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
|
586 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
587 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
588 void genIncrement() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
589 int index = stream().readLocalIndex(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
590 int delta = stream().readIncrement(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
591 Value x = curState.localAt(index); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
592 Value y = append(Constant.forInt(delta)); |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
593 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
|
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 genGoto(int fromBCI, int toBCI) { |
2566
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
597 boolean isSafepoint = !noSafepoints() && toBCI <= fromBCI; |
2507
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
598 append(new Goto(blockAt(toBCI), null, isSafepoint)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
599 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
600 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
601 void 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
|
602 BlockBegin tsucc = blockAt(stream().readBranchDest()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
603 BlockBegin fsucc = blockAt(stream().nextBCI()); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
604 int bci = stream().currentBCI(); |
2566
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
605 boolean isSafepoint = !noSafepoints() && tsucc.bci() <= bci || fsucc.bci() <= bci; |
2537
4a016ff4d2df
Clean up on LIRGenerator and related.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2534
diff
changeset
|
606 append(new If(x, cond, y, tsucc, fsucc, isSafepoint ? stateBefore : null, isSafepoint)); |
2507
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 genIfZero(Condition cond) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
610 Value y = appendConstant(CiConstant.INT_0); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
611 FrameState stateBefore = curState.immutableCopy(bci()); |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
612 Value x = ipop(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
613 ifNode(x, cond, y, stateBefore); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
614 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
615 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
616 void genIfNull(Condition cond) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
617 FrameState stateBefore = curState.immutableCopy(bci()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
618 Value y = appendConstant(CiConstant.NULL_OBJECT); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
619 Value x = apop(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
620 ifNode(x, cond, y, stateBefore); |
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:
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|
622 |
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changeset
|
623 void genIfSame(CiKind kind, Condition cond) { |
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624 FrameState stateBefore = curState.immutableCopy(bci()); |
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625 Value y = pop(kind); |
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|
626 Value x = pop(kind); |
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627 ifNode(x, cond, y, stateBefore); |
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628 } |
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|
629 |
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630 void genThrow(int bci) { |
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|
631 FrameState stateBefore = curState.immutableCopy(bci()); |
2566
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Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
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2565
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|
632 Throw t = new Throw(apop(), stateBefore, !noSafepoints()); |
2507
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633 appendWithoutOptimization(t, bci); |
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634 } |
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|
635 |
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diff
changeset
|
636 void genCheckCast() { |
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637 int cpi = stream().readCPI(); |
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638 RiType type = constantPool().lookupType(cpi, CHECKCAST); |
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639 boolean isInitialized = !C1XOptions.TestPatching && type.isResolved() && type.isInitialized(); |
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640 Value typeInstruction = genResolveClass(RiType.Representation.ObjectHub, type, isInitialized, cpi); |
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|
641 CheckCast c = new CheckCast(type, typeInstruction, apop(), null); |
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642 apush(append(c)); |
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643 checkForDirectCompare(c); |
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|
644 } |
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|
645 |
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646 void genInstanceOf() { |
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647 int cpi = stream().readCPI(); |
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648 RiType type = constantPool().lookupType(cpi, INSTANCEOF); |
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649 boolean isInitialized = !C1XOptions.TestPatching && type.isResolved() && type.isInitialized(); |
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650 Value typeInstruction = genResolveClass(RiType.Representation.ObjectHub, type, isInitialized, cpi); |
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651 InstanceOf i = new InstanceOf(type, typeInstruction, apop(), null); |
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652 ipush(append(i)); |
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653 checkForDirectCompare(i); |
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|
654 } |
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|
655 |
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656 private void checkForDirectCompare(TypeCheck check) { |
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657 RiType type = check.targetClass(); |
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658 if (!type.isResolved() || type.isArrayClass()) { |
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659 return; |
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660 } |
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661 } |
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|
662 |
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|
663 void genNewInstance(int cpi) { |
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|
664 FrameState stateBefore = curState.immutableCopy(bci()); |
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665 RiType type = constantPool().lookupType(cpi, NEW); |
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666 NewInstance n = new NewInstance(type, cpi, constantPool(), stateBefore); |
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667 if (memoryMap != null) { |
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|
668 memoryMap.newInstance(n); |
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|
669 } |
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|
670 apush(append(n)); |
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|
671 } |
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|
672 |
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673 void genNewTypeArray(int typeCode) { |
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674 FrameState stateBefore = curState.immutableCopy(bci()); |
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675 CiKind kind = CiKind.fromArrayTypeCode(typeCode); |
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676 RiType elementType = compilation.runtime.asRiType(kind); |
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677 apush(append(new NewTypeArray(ipop(), elementType, stateBefore))); |
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|
678 } |
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|
679 |
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|
680 void genNewObjectArray(int cpi) { |
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681 RiType type = constantPool().lookupType(cpi, ANEWARRAY); |
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682 FrameState stateBefore = curState.immutableCopy(bci()); |
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683 NewArray n = new NewObjectArray(type, ipop(), stateBefore); |
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684 apush(append(n)); |
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|
685 } |
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|
686 |
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|
687 void genNewMultiArray(int cpi) { |
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688 RiType type = constantPool().lookupType(cpi, MULTIANEWARRAY); |
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689 FrameState stateBefore = curState.immutableCopy(bci()); |
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690 int rank = stream().readUByte(bci() + 3); |
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691 Value[] dims = new Value[rank]; |
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692 for (int i = rank - 1; i >= 0; i--) { |
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|
693 dims[i] = ipop(); |
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|
694 } |
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diff
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|
695 NewArray n = new NewMultiArray(type, dims, stateBefore, cpi, constantPool()); |
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diff
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|
696 apush(append(n)); |
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diff
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|
697 } |
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diff
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|
698 |
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diff
changeset
|
699 void genGetField(int cpi, RiField field) { |
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|
700 // Must copy the state here, because the field holder must still be on the stack. |
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diff
changeset
|
701 FrameState stateBefore = curState.immutableCopy(bci()); |
2540
3fc322165071
More flags clean up.
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parents:
2538
diff
changeset
|
702 LoadField load = new LoadField(apop(), field, stateBefore); |
2507
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diff
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|
703 appendOptimizedLoadField(field.kind(), load); |
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diff
changeset
|
704 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
705 |
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diff
changeset
|
706 void genPutField(int cpi, RiField field) { |
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diff
changeset
|
707 // Must copy the state here, because the field holder must still be on the stack. |
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diff
changeset
|
708 FrameState stateBefore = curState.immutableCopy(bci()); |
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diff
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|
709 Value value = pop(field.kind().stackKind()); |
2540
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More flags clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2538
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changeset
|
710 appendOptimizedStoreField(new StoreField(apop(), field, value, stateBefore)); |
2507
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diff
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|
711 } |
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changeset
|
712 |
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diff
changeset
|
713 void genGetStatic(int cpi, RiField field) { |
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diff
changeset
|
714 RiType holder = field.holder(); |
2540
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2538
diff
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|
715 boolean isInitialized = !C1XOptions.TestPatching && field.isResolved(); |
2507
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diff
changeset
|
716 CiConstant constantValue = null; |
2533
c480605ef068
Removed canonicalizer.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2521
diff
changeset
|
717 if (isInitialized) { |
2507
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|
718 constantValue = field.constantValue(null); |
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diff
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|
719 } |
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diff
changeset
|
720 if (constantValue != null) { |
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diff
changeset
|
721 push(constantValue.kind.stackKind(), appendConstant(constantValue)); |
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diff
changeset
|
722 } else { |
2540
3fc322165071
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2538
diff
changeset
|
723 Value container = genResolveClass(RiType.Representation.StaticFields, holder, field.isResolved(), cpi); |
3fc322165071
More flags clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
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2538
diff
changeset
|
724 LoadField load = new LoadField(container, field, null); |
2507
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diff
changeset
|
725 appendOptimizedLoadField(field.kind(), load); |
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diff
changeset
|
726 } |
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diff
changeset
|
727 } |
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diff
changeset
|
728 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
729 void genPutStatic(int cpi, RiField field) { |
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parents:
diff
changeset
|
730 RiType holder = field.holder(); |
2540
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2538
diff
changeset
|
731 Value container = genResolveClass(RiType.Representation.StaticFields, holder, field.isResolved(), cpi); |
2507
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diff
changeset
|
732 Value value = pop(field.kind().stackKind()); |
2540
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parents:
2538
diff
changeset
|
733 StoreField store = new StoreField(container, field, value, null); |
2507
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parents:
diff
changeset
|
734 appendOptimizedStoreField(store); |
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parents:
diff
changeset
|
735 } |
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parents:
diff
changeset
|
736 |
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diff
changeset
|
737 private Value genResolveClass(RiType.Representation representation, RiType holder, boolean initialized, int cpi) { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
738 Value holderInstr; |
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diff
changeset
|
739 if (initialized) { |
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parents:
diff
changeset
|
740 holderInstr = appendConstant(holder.getEncoding(representation)); |
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parents:
diff
changeset
|
741 } else { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
742 holderInstr = append(new ResolveClass(holder, representation, null)); |
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parents:
diff
changeset
|
743 } |
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Pull over of compiler from maxine repository.
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diff
changeset
|
744 return holderInstr; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
745 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
746 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
747 private void appendOptimizedStoreField(StoreField store) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
748 if (memoryMap != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
749 StoreField previous = memoryMap.store(store); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
750 if (previous == null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
751 // the store is redundant, do not append |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
752 return; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
753 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
754 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
755 append(store); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
756 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
757 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
758 private void appendOptimizedLoadField(CiKind kind, LoadField load) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
759 if (memoryMap != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
760 Value replacement = memoryMap.load(load); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
761 if (replacement != load) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
762 // the memory buffer found a replacement for this load (no need to append) |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
763 push(kind.stackKind(), replacement); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
764 return; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
765 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
766 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
767 // append the load to the instruction |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
768 Value optimized = append(load); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
769 if (memoryMap != null && optimized != load) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
770 // local optimization happened, replace its value in the memory map |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
771 memoryMap.setResult(load, optimized); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
772 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
773 push(kind.stackKind(), optimized); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
774 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
775 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
776 void genInvokeStatic(RiMethod target, int cpi, RiConstantPool constantPool) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
777 RiType holder = target.holder(); |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
778 boolean isInitialized = !C1XOptions.TestPatching && target.isResolved() && holder.isInitialized(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
779 if (!isInitialized && C1XOptions.ResolveClassBeforeStaticInvoke) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
780 // Re-use the same resolution code as for accessing a static field. Even though |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
781 // the result of resolution is not used by the invocation (only the side effect |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
782 // of initialization is required), it can be commoned with static field accesses. |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
783 genResolveClass(RiType.Representation.StaticFields, holder, isInitialized, cpi); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
784 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
785 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
786 Value[] args = curState.popArguments(target.signature().argumentSlots(false)); |
2563
491896f81cae
Removing inlining support (1st part)
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2543
diff
changeset
|
787 appendInvoke(INVOKESTATIC, target, args, cpi, constantPool); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
788 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
789 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
790 void genInvokeInterface(RiMethod target, int cpi, RiConstantPool constantPool) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
791 Value[] args = curState.popArguments(target.signature().argumentSlots(true)); |
2533
c480605ef068
Removed canonicalizer.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2521
diff
changeset
|
792 |
c480605ef068
Removed canonicalizer.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2521
diff
changeset
|
793 genInvokeIndirect(INVOKEINTERFACE, target, args, cpi, constantPool); |
c480605ef068
Removed canonicalizer.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2521
diff
changeset
|
794 |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
795 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
796 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
797 void genInvokeVirtual(RiMethod target, int cpi, RiConstantPool constantPool) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
798 Value[] args = curState.popArguments(target.signature().argumentSlots(true)); |
2533
c480605ef068
Removed canonicalizer.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2521
diff
changeset
|
799 genInvokeIndirect(INVOKEVIRTUAL, target, args, cpi, constantPool); |
c480605ef068
Removed canonicalizer.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2521
diff
changeset
|
800 |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
801 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
802 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
803 void genInvokeSpecial(RiMethod target, RiType knownHolder, int cpi, RiConstantPool constantPool) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
804 Value[] args = curState.popArguments(target.signature().argumentSlots(true)); |
2533
c480605ef068
Removed canonicalizer.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2521
diff
changeset
|
805 invokeDirect(target, args, knownHolder, cpi, constantPool); |
c480605ef068
Removed canonicalizer.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2521
diff
changeset
|
806 |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
807 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
808 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
809 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
810 * Temporary work-around to support the @ACCESSOR Maxine annotation. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
811 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
812 private static final Class<?> Accessor; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
813 static { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
814 Class<?> c = null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
815 try { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
816 c = Class.forName("com.sun.max.unsafe.Accessor"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
817 } catch (ClassNotFoundException e) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
818 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
819 Accessor = c; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
820 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
821 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
822 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
823 * Temporary work-around to support the @ACCESSOR Maxine annotation. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
824 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
825 private static ThreadLocal<RiType> boundAccessor = new ThreadLocal<RiType>(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
826 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
827 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
828 * Temporary work-around to support the @ACCESSOR Maxine annotation. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
829 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
830 private static RiMethod bindAccessorMethod(RiMethod target) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
831 if (Accessor != null && target.isResolved() && target.holder().javaClass() == Accessor) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
832 RiType accessor = boundAccessor.get(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
833 assert accessor != null : "Cannot compile call to method in " + target.holder() + " without enclosing @ACCESSOR annotated method"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
834 RiMethod newTarget = accessor.resolveMethodImpl(target); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
835 assert target != newTarget : "Could not bind " + target + " to a method in " + accessor; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
836 target = newTarget; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
837 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
838 return target; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
839 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
840 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
841 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
|
842 Value receiver = args[0]; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
843 // attempt to devirtualize the call |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
844 if (target.isResolved()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
845 RiType klass = target.holder(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
846 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
847 // 0. check for trivial cases |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
848 if (target.canBeStaticallyBound() && !isAbstract(target.accessFlags())) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
849 // 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
|
850 invokeDirect(target, args, target.holder(), cpi, constantPool); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
851 return; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
852 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
853 // 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
|
854 RiType exact = getExactType(klass, receiver); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
855 if (exact != null && exact.isResolved()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
856 // 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
|
857 invokeDirect(exact.resolveMethodImpl(target), args, exact, cpi, constantPool); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
858 return; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
859 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
860 // 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
|
861 RiMethod leaf = getAssumedLeafMethod(target, receiver); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
862 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
|
863 if (C1XOptions.PrintAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
864 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
|
865 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
866 invokeDirect(leaf, args, null, cpi, constantPool); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
867 return; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
868 } else if (C1XOptions.PrintAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
869 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
|
870 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
871 // 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
|
872 exact = getAssumedLeafType(klass, receiver); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
873 if (exact != null && exact.isResolved()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
874 RiMethod targetMethod = exact.resolveMethodImpl(target); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
875 if (C1XOptions.PrintAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
876 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
|
877 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
878 // 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
|
879 invokeDirect(targetMethod, args, exact, cpi, constantPool); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
880 return; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
881 } else if (C1XOptions.PrintAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
882 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
|
883 } |
9ec15d6914ca
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 // devirtualization failed, produce an actual invokevirtual |
2538
e1ba5a93e997
Clean up on Value class and LIRGenerator/LIRItem-related things.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2537
diff
changeset
|
886 appendInvoke(opcode, target, args, cpi, constantPool); |
2507
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 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
889 private CiKind returnKind(RiMethod target) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
890 return target.signature().returnKind(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
891 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
892 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
893 private void invokeDirect(RiMethod target, Value[] args, RiType knownHolder, int cpi, RiConstantPool constantPool) { |
2563
491896f81cae
Removing inlining support (1st part)
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2543
diff
changeset
|
894 appendInvoke(INVOKESPECIAL, target, args, cpi, constantPool); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
895 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
896 |
2538
e1ba5a93e997
Clean up on Value class and LIRGenerator/LIRItem-related things.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2537
diff
changeset
|
897 private void appendInvoke(int opcode, RiMethod target, Value[] args, int cpi, RiConstantPool constantPool) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
898 CiKind resultType = returnKind(target); |
2538
e1ba5a93e997
Clean up on Value class and LIRGenerator/LIRItem-related things.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2537
diff
changeset
|
899 Value result = append(new Invoke(opcode, resultType.stackKind(), args, target, target.signature().returnType(compilation.method.holder()), null)); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
900 pushReturn(resultType, result); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
901 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
902 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
903 private RiType getExactType(RiType staticType, Value receiver) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
904 RiType exact = staticType.exactType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
905 if (exact == null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
906 exact = receiver.exactType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
907 if (exact == null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
908 if (receiver.isConstant()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
909 exact = compilation.runtime.getTypeOf(receiver.asConstant()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
910 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
911 if (exact == null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
912 RiType declared = receiver.declaredType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
913 exact = declared == null || !declared.isResolved() ? null : declared.exactType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
914 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
915 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
916 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
917 return exact; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
918 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
919 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
920 private RiType getAssumedLeafType(RiType type) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
921 if (isFinal(type.accessFlags())) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
922 return type; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
923 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
924 RiType assumed = null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
925 if (C1XOptions.UseAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
926 assumed = type.uniqueConcreteSubtype(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
927 if (assumed != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
928 if (C1XOptions.PrintAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
929 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
|
930 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
931 compilation.assumptions.recordConcreteSubtype(type, assumed); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
932 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
933 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
934 return assumed; |
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 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
937 private RiType getAssumedLeafType(RiType staticType, Value receiver) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
938 RiType assumed = getAssumedLeafType(staticType); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
939 if (assumed != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
940 return assumed; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
941 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
942 RiType declared = receiver.declaredType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
943 if (declared != null && declared.isResolved()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
944 assumed = getAssumedLeafType(declared); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
945 return assumed; |
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 return null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
948 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
949 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
950 private RiMethod getAssumedLeafMethod(RiMethod target, Value receiver) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
951 RiMethod assumed = getAssumedLeafMethod(target); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
952 if (assumed != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
953 return assumed; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
954 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
955 RiType declared = receiver.declaredType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
956 if (declared != null && declared.isResolved() && !declared.isInterface()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
957 RiMethod impl = declared.resolveMethodImpl(target); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
958 if (impl != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
959 assumed = getAssumedLeafMethod(impl); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
960 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
961 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
962 return assumed; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
963 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
964 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
965 void callRegisterFinalizer() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
966 Value receiver = curState.loadLocal(0); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
967 RiType declaredType = receiver.declaredType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
968 RiType receiverType = declaredType; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
969 RiType exactType = receiver.exactType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
970 if (exactType == null && declaredType != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
971 exactType = declaredType.exactType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
972 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
973 if (exactType == null && receiver instanceof Local && ((Local) receiver).javaIndex() == 0) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
974 // the exact type isn't known, but the receiver is parameter 0 => use holder |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
975 receiverType = compilation.method.holder(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
976 exactType = receiverType.exactType(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
977 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
978 boolean needsCheck = true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
979 if (exactType != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
980 // we have an exact type |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
981 needsCheck = exactType.hasFinalizer(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
982 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
983 // if either the declared type of receiver or the holder can be assumed to have no finalizers |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
984 if (declaredType != null && !declaredType.hasFinalizableSubclass()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
985 if (compilation.recordNoFinalizableSubclassAssumption(declaredType)) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
986 needsCheck = false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
987 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
988 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
989 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
990 if (receiverType != null && !receiverType.hasFinalizableSubclass()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
991 if (compilation.recordNoFinalizableSubclassAssumption(receiverType)) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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992 needsCheck = false; |
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993 } |
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994 } |
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995 } |
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996 |
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997 if (needsCheck) { |
2519
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998 // append a call to the finalizer registration |
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999 append(new RegisterFinalizer(curState.loadLocal(0), curState.immutableCopy(bci()))); |
2507
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1000 C1XMetrics.InlinedFinalizerChecks++; |
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1001 } |
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1002 } |
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1003 |
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1004 void genReturn(Value x) { |
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1005 if (method().isConstructor() && method().holder().superType() == null) { |
2507
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1006 callRegisterFinalizer(); |
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1007 } |
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1008 |
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1009 curState.truncateStack(0); |
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1010 if (Modifier.isSynchronized(method().accessFlags())) { |
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1011 FrameState stateBefore = curState.immutableCopy(bci()); |
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1012 // unlock before exiting the method |
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1013 int lockNumber = curState.locksSize() - 1; |
2507
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1014 MonitorAddress lockAddress = null; |
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1015 if (compilation.runtime.sizeOfBasicObjectLock() != 0) { |
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1016 lockAddress = new MonitorAddress(lockNumber); |
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1017 append(lockAddress); |
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1018 } |
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1019 append(new MonitorExit(rootMethodSynchronizedObject, lockAddress, lockNumber, stateBefore)); |
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1020 curState.unlock(); |
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1021 } |
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1022 append(new Return(x, !noSafepoints())); |
2507
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1023 } |
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1024 |
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1025 /** |
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1026 * Gets the number of locks held. |
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1027 */ |
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1028 private int locksSize() { |
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1029 return curState.locksSize(); |
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1030 } |
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|
1031 |
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1032 void genMonitorEnter(Value x, int bci) { |
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1033 int lockNumber = locksSize(); |
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1034 MonitorAddress lockAddress = null; |
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1035 if (compilation.runtime.sizeOfBasicObjectLock() != 0) { |
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1036 lockAddress = new MonitorAddress(lockNumber); |
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1037 append(lockAddress); |
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|
1038 } |
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1039 MonitorEnter monitorEnter = new MonitorEnter(x, lockAddress, lockNumber, null); |
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1040 appendWithoutOptimization(monitorEnter, bci); |
2564
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2563
diff
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|
1041 curState.lock(ir, x, lockNumber + 1); |
2507
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1042 monitorEnter.setStateAfter(curState.immutableCopy(bci)); |
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1043 killMemoryMap(); // prevent any optimizations across synchronization |
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1044 } |
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|
1045 |
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|
1046 void genMonitorExit(Value x, int bci) { |
2565
cc1f1d396288
Remove inlining (3rd part)
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2564
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|
1047 int lockNumber = curState.locksSize() - 1; |
2507
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1048 if (lockNumber < 0) { |
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1049 throw new CiBailout("monitor stack underflow"); |
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|
1050 } |
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|
1051 MonitorAddress lockAddress = null; |
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|
1052 if (compilation.runtime.sizeOfBasicObjectLock() != 0) { |
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1053 lockAddress = new MonitorAddress(lockNumber); |
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|
1054 append(lockAddress); |
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|
1055 } |
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1056 appendWithoutOptimization(new MonitorExit(x, lockAddress, lockNumber, null), bci); |
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1057 curState.unlock(); |
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|
1058 killMemoryMap(); // prevent any optimizations across synchronization |
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diff
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|
1059 } |
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|
1060 |
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|
1061 void genJsr(int dest) { |
2566
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1062 throw new CiBailout("jsr/ret not supported"); |
2507
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|
1063 } |
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|
1064 |
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Pull over of compiler from maxine repository.
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diff
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|
1065 void genRet(int localIndex) { |
2566
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1066 throw new CiBailout("jsr/ret not supported"); |
2507
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|
1067 } |
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|
1068 |
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|
1069 void genTableswitch() { |
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diff
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|
1070 int bci = bci(); |
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|
1071 BytecodeTableSwitch ts = new BytecodeTableSwitch(stream(), bci); |
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1072 int max = ts.numberOfCases(); |
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|
1073 List<BlockBegin> list = new ArrayList<BlockBegin>(max + 1); |
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|
1074 boolean isBackwards = false; |
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|
1075 for (int i = 0; i < max; i++) { |
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1076 // add all successors to the successor list |
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|
1077 int offset = ts.offsetAt(i); |
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1078 list.add(blockAt(bci + offset)); |
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1079 isBackwards |= offset < 0; // track if any of the successors are backwards |
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|
1080 } |
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|
1081 int offset = ts.defaultOffset(); |
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|
1082 isBackwards |= offset < 0; // if the default successor is backwards |
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diff
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|
1083 list.add(blockAt(bci + offset)); |
2566
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
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|
1084 boolean isSafepoint = isBackwards && !noSafepoints(); |
2507
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|
1085 FrameState stateBefore = isSafepoint ? curState.immutableCopy(bci()) : null; |
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|
1086 append(new TableSwitch(ipop(), list, ts.lowKey(), stateBefore, isSafepoint)); |
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|
1087 } |
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diff
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|
1088 |
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|
1089 void genLookupswitch() { |
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diff
changeset
|
1090 int bci = bci(); |
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diff
changeset
|
1091 BytecodeLookupSwitch ls = new BytecodeLookupSwitch(stream(), bci); |
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|
1092 int max = ls.numberOfCases(); |
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diff
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|
1093 List<BlockBegin> list = new ArrayList<BlockBegin>(max + 1); |
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diff
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|
1094 int[] keys = new int[max]; |
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diff
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|
1095 boolean isBackwards = false; |
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|
1096 for (int i = 0; i < max; i++) { |
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|
1097 // add all successors to the successor list |
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|
1098 int offset = ls.offsetAt(i); |
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|
1099 list.add(blockAt(bci + offset)); |
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1100 keys[i] = ls.keyAt(i); |
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1101 isBackwards |= offset < 0; // track if any of the successors are backwards |
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diff
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|
1102 } |
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|
1103 int offset = ls.defaultOffset(); |
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|
1104 isBackwards |= offset < 0; // if the default successor is backwards |
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parents:
diff
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|
1105 list.add(blockAt(bci + offset)); |
2566
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Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
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|
1106 boolean isSafepoint = isBackwards && !noSafepoints(); |
2507
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|
1107 FrameState stateBefore = isSafepoint ? curState.immutableCopy(bci()) : null; |
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|
1108 append(new LookupSwitch(ipop(), list, keys, stateBefore, isSafepoint)); |
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|
1109 } |
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|
1110 |
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|
1111 /** |
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|
1112 * Determines whether the length of an array should be extracted out as a separate instruction |
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|
1113 * before an array indexing instruction. This exposes it to CSE. |
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diff
changeset
|
1114 * @param array |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
changeset
|
1115 * @return |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1116 */ |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1117 private boolean cseArrayLength(Value array) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1118 // 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
|
1119 if (C1XOptions.OptCSEArrayLength) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1120 // always access the length for CSE |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1121 return true; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1122 } else if (array.isConstant()) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1123 // the array itself is a constant |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1124 return true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1125 } else if (array instanceof LoadField && ((LoadField) array).constantValue() != null) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1126 // 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
|
1127 return true; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1128 } else if (array instanceof NewArray) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1129 // the array is derived from an allocation |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1130 final Value length = ((NewArray) array).length(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1131 return length != null && length.isConstant(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1132 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1133 return false; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1134 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1135 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1136 private Value appendConstant(CiConstant type) { |
2533
c480605ef068
Removed canonicalizer.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2521
diff
changeset
|
1137 return appendWithBCI(new Constant(type), bci()); |
2507
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Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
1138 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1139 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1140 private Value append(Instruction x) { |
2533
c480605ef068
Removed canonicalizer.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2521
diff
changeset
|
1141 return appendWithBCI(x, bci()); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1142 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
1143 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1144 private Value appendWithoutOptimization(Instruction x, int bci) { |
2533
c480605ef068
Removed canonicalizer.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2521
diff
changeset
|
1145 return appendWithBCI(x, bci); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
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diff
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|
1146 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1147 |
2533
c480605ef068
Removed canonicalizer.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2521
diff
changeset
|
1148 private Value appendWithBCI(Instruction x, int bci) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1149 if (x.isAppended()) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1150 // the instruction has already been added |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1151 return x; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1152 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1153 if (localValueMap != null) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1154 // 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
|
1155 Value r = localValueMap.findInsert(x); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1156 if (r != x) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1157 C1XMetrics.LocalValueNumberHits++; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1158 if (r instanceof Instruction) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1159 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
|
1160 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1161 return r; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1162 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1163 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1164 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1165 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
|
1166 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
|
1167 if (lastInstr instanceof Base) { |
2519
f6125fb5bfbc
Removed intrinsics.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2516
diff
changeset
|
1168 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
|
1169 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1170 lastInstr = lastInstr.setNext(x, bci); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1171 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1172 if (++stats.nodeCount >= C1XOptions.MaximumInstructionCount) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1173 // 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
|
1174 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
|
1175 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1176 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1177 if (memoryMap != null && hasUncontrollableSideEffects(x)) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1178 // 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
|
1179 memoryMap.kill(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1180 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1181 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1182 if (x instanceof StateSplit) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1183 StateSplit stateSplit = (StateSplit) x; |
2543
c58a301eb2d7
Clean up on canTrap.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2540
diff
changeset
|
1184 if (stateSplit.stateBefore() == null) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1185 stateSplit.setStateBefore(curState.immutableCopy(bci)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1186 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1187 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1188 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1189 if (x.canTrap()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1190 // connect the instruction to any exception handlers |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1191 x.setExceptionHandlers(handleException(x, bci)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1192 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1193 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1194 return x; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1195 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1196 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1197 private boolean hasUncontrollableSideEffects(Value x) { |
2519
f6125fb5bfbc
Removed intrinsics.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2516
diff
changeset
|
1198 return x instanceof Invoke || x instanceof ResolveClass; |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1199 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1200 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1201 private BlockBegin blockAtOrNull(int bci) { |
2566
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1202 return blockMap.get(bci); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1203 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1204 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1205 private BlockBegin blockAt(int bci) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1206 BlockBegin result = blockAtOrNull(bci); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1207 assert result != null : "Expected a block to begin at " + bci; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1208 return result; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1209 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1210 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1211 MutableFrameState stateAtEntry(RiMethod method) { |
2565
cc1f1d396288
Remove inlining (3rd part)
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2564
diff
changeset
|
1212 MutableFrameState state = new MutableFrameState(-1, method.maxLocals(), method.maxStackSize()); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1213 int index = 0; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1214 if (!isStatic(method.accessFlags())) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1215 // 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
|
1216 Local local = new Local(method.holder().kind(), index); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1217 local.setFlag(Value.Flag.NonNull, true); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1218 local.setDeclaredType(method.holder()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1219 state.storeLocal(index, local); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1220 index = 1; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1221 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1222 RiSignature sig = method.signature(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1223 int max = sig.argumentCount(false); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1224 RiType accessingClass = method.holder(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1225 for (int i = 0; i < max; i++) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1226 RiType type = sig.argumentTypeAt(i, accessingClass); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1227 CiKind kind = type.kind().stackKind(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1228 Local local = new Local(kind, index); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1229 if (type.isResolved()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1230 local.setDeclaredType(type); |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
1231 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1232 state.storeLocal(index, local); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1233 index += kind.sizeInSlots(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1234 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1235 return state; |
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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 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1238 private Value synchronizedObject(FrameState curState2, RiMethod target) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1239 if (isStatic(target.accessFlags())) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1240 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
|
1241 return appendWithoutOptimization(classConstant, Instruction.SYNCHRONIZATION_ENTRY_BCI); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1242 } else { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1243 return curState2.localAt(0); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1244 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1245 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1246 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1247 private void fillSyncHandler(Value lock, BlockBegin syncHandler, boolean inlinedMethod) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1248 BlockBegin origBlock = curBlock; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1249 MutableFrameState origState = curState; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1250 Instruction origLast = lastInstr; |
9ec15d6914ca
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 lastInstr = curBlock = syncHandler; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1253 while (lastInstr.next() != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1254 // go forward to the end of the block |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1255 lastInstr = lastInstr.next(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1256 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1257 curState = syncHandler.stateBefore().copy(); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1258 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1259 int bci = Instruction.SYNCHRONIZATION_ENTRY_BCI; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1260 Value exception = appendWithoutOptimization(new ExceptionObject(curState.immutableCopy(bci)), bci); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1261 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1262 assert lock != null; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1263 assert curState.locksSize() > 0 && curState.lockAt(locksSize() - 1) == lock; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1264 if (lock instanceof Instruction) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1265 Instruction l = (Instruction) lock; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1266 if (!l.isAppended()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1267 lock = appendWithoutOptimization(l, Instruction.SYNCHRONIZATION_ENTRY_BCI); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1268 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1269 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1270 // exit the monitor |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1271 genMonitorExit(lock, Instruction.SYNCHRONIZATION_ENTRY_BCI); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1272 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1273 apush(exception); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1274 genThrow(bci); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1275 BlockEnd end = (BlockEnd) lastInstr; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1276 curBlock.setEnd(end); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1277 end.setStateAfter(curState.immutableCopy(bci())); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1278 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1279 curBlock = origBlock; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1280 curState = origState; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1281 lastInstr = origLast; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1282 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1283 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1284 private void iterateAllBlocks() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1285 BlockBegin b; |
2566
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1286 while ((b = removeFromWorkList()) != null) { |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1287 if (!b.wasVisited()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1288 b.setWasVisited(true); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1289 // now parse the block |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1290 killMemoryMap(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1291 curBlock = b; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1292 curState = b.stateBefore().copy(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1293 lastInstr = b; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1294 b.setNext(null, -1); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1295 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1296 iterateBytecodesForBlock(b.bci(), false); |
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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 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1299 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1300 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1301 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
|
1302 skipBlock = false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1303 assert curState != null; |
2566
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1304 stream.setBCI(bci); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1305 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1306 BlockBegin block = curBlock; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1307 BlockEnd end = null; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1308 boolean pushException = block.isExceptionEntry() && block.next() == null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1309 int prevBCI = bci; |
2566
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1310 int endBCI = stream.endBCI(); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1311 boolean blockStart = true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1312 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1313 while (bci < endBCI) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1314 BlockBegin nextBlock = blockAtOrNull(bci); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1315 if (bci == 0 && inliningIntoCurrentBlock) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1316 if (!nextBlock.isParserLoopHeader()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1317 // Ignore the block boundary of the entry block of a method |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1318 // 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
changeset
|
1319 nextBlock = null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1320 blockStart = false; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1321 } |
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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 if (nextBlock != null && nextBlock != block) { |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1324 // 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
|
1325 end = new Goto(nextBlock, null, false); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1326 lastInstr = lastInstr.setNext(end, prevBCI); |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1327 break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1328 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1329 // read the opcode |
2566
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1330 int opcode = stream.currentBC(); |
2507
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 // 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
changeset
|
1333 if (pushException) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1334 FrameState stateBefore = curState.immutableCopy(bci()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1335 apush(append(new ExceptionObject(stateBefore))); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1336 pushException = false; |
9ec15d6914ca
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1337 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1338 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1339 traceState(); |
2566
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1340 traceInstruction(bci, stream, opcode, blockStart); |
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1341 processBytecode(bci, stream, opcode); |
2507
9ec15d6914ca
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parents:
diff
changeset
|
1342 |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
1343 prevBCI = bci; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1344 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1345 if (lastInstr instanceof BlockEnd) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1346 end = (BlockEnd) lastInstr; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1347 break; |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1348 } |
2566
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1349 stream.next(); |
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1350 bci = stream.currentBCI(); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1351 blockStart = false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
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parents:
diff
changeset
|
1352 } |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1353 |
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Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1354 // stop processing of this block |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1355 if (skipBlock) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1356 skipBlock = false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1357 return (BlockEnd) lastInstr; |
9ec15d6914ca
Pull over of compiler from maxine repository.
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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 // if the method terminates, we don't need the stack anymore |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1361 if (end instanceof Return || end instanceof Throw) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1362 curState.clearStack(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1363 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1364 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1365 // connect to begin and set state |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1366 // NOTE that inlining may have changed the block we are parsing |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1367 assert end != null : "end should exist after iterating over bytecodes"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1368 end.setStateAfter(curState.immutableCopy(bci())); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1369 curBlock.setEnd(end); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1370 // propagate the state |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1371 for (BlockBegin succ : end.successors()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1372 assert succ.predecessors().contains(curBlock); |
2565
cc1f1d396288
Remove inlining (3rd part)
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2564
diff
changeset
|
1373 succ.mergeOrClone(end.stateAfter(), method()); |
2566
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1374 addToWorkList(succ); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1375 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1376 return end; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1377 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1378 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1379 private void traceState() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1380 if (C1XOptions.TraceBytecodeParserLevel >= TRACELEVEL_STATE && !TTY.isSuppressed()) { |
2564
274360f98f97
Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2563
diff
changeset
|
1381 log.println(String.format("| state [nr locals = %d, stack depth = %d, method = %s]", curState.localsSize(), curState.stackSize(), method())); |
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1382 for (int i = 0; i < curState.localsSize(); ++i) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1383 Value value = curState.localAt(i); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1384 log.println(String.format("| local[%d] = %-8s : %s", i, value == null ? "bogus" : value.kind.javaName, value)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1385 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1386 for (int i = 0; i < curState.stackSize(); ++i) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1387 Value value = curState.stackAt(i); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1388 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
|
1389 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1390 for (int i = 0; i < curState.locksSize(); ++i) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1391 Value value = curState.lockAt(i); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1392 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
|
1393 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1394 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1395 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1396 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1397 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
|
1398 int cpi; |
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 // Checkstyle: stop |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1401 switch (opcode) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1402 case NOP : /* nothing to do */ break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1403 case ACONST_NULL : apush(appendConstant(CiConstant.NULL_OBJECT)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1404 case ICONST_M1 : ipush(appendConstant(CiConstant.INT_MINUS_1)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1405 case ICONST_0 : ipush(appendConstant(CiConstant.INT_0)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1406 case ICONST_1 : ipush(appendConstant(CiConstant.INT_1)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1407 case ICONST_2 : ipush(appendConstant(CiConstant.INT_2)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1408 case ICONST_3 : ipush(appendConstant(CiConstant.INT_3)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1409 case ICONST_4 : ipush(appendConstant(CiConstant.INT_4)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1410 case ICONST_5 : ipush(appendConstant(CiConstant.INT_5)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1411 case LCONST_0 : lpush(appendConstant(CiConstant.LONG_0)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1412 case LCONST_1 : lpush(appendConstant(CiConstant.LONG_1)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1413 case FCONST_0 : fpush(appendConstant(CiConstant.FLOAT_0)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1414 case FCONST_1 : fpush(appendConstant(CiConstant.FLOAT_1)); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1415 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
|
1416 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
|
1417 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
|
1418 case BIPUSH : ipush(appendConstant(CiConstant.forInt(s.readByte()))); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1419 case SIPUSH : ipush(appendConstant(CiConstant.forInt(s.readShort()))); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1420 case LDC : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1421 case LDC_W : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1422 case LDC2_W : genLoadConstant(s.readCPI()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1423 case ILOAD : loadLocal(s.readLocalIndex(), CiKind.Int); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1424 case LLOAD : loadLocal(s.readLocalIndex(), CiKind.Long); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1425 case FLOAD : loadLocal(s.readLocalIndex(), CiKind.Float); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1426 case DLOAD : loadLocal(s.readLocalIndex(), CiKind.Double); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1427 case ALOAD : loadLocal(s.readLocalIndex(), CiKind.Object); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1428 case ILOAD_0 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1429 case ILOAD_1 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1430 case ILOAD_2 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1431 case ILOAD_3 : loadLocal(opcode - ILOAD_0, CiKind.Int); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1432 case LLOAD_0 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1433 case LLOAD_1 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1434 case LLOAD_2 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1435 case LLOAD_3 : loadLocal(opcode - LLOAD_0, CiKind.Long); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1436 case FLOAD_0 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1437 case FLOAD_1 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1438 case FLOAD_2 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1439 case FLOAD_3 : loadLocal(opcode - FLOAD_0, CiKind.Float); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1440 case DLOAD_0 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1441 case DLOAD_1 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1442 case DLOAD_2 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1443 case DLOAD_3 : loadLocal(opcode - DLOAD_0, CiKind.Double); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1444 case ALOAD_0 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1445 case ALOAD_1 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1446 case ALOAD_2 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1447 case ALOAD_3 : loadLocal(opcode - ALOAD_0, CiKind.Object); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1448 case IALOAD : genLoadIndexed(CiKind.Int ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1449 case LALOAD : genLoadIndexed(CiKind.Long ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1450 case FALOAD : genLoadIndexed(CiKind.Float ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1451 case DALOAD : genLoadIndexed(CiKind.Double); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1452 case AALOAD : genLoadIndexed(CiKind.Object); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1453 case BALOAD : genLoadIndexed(CiKind.Byte ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1454 case CALOAD : genLoadIndexed(CiKind.Char ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1455 case SALOAD : genLoadIndexed(CiKind.Short ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1456 case ISTORE : storeLocal(CiKind.Int, s.readLocalIndex()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1457 case LSTORE : storeLocal(CiKind.Long, s.readLocalIndex()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1458 case FSTORE : storeLocal(CiKind.Float, s.readLocalIndex()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1459 case DSTORE : storeLocal(CiKind.Double, s.readLocalIndex()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1460 case ASTORE : storeLocal(CiKind.Object, s.readLocalIndex()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1461 case ISTORE_0 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1462 case ISTORE_1 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1463 case ISTORE_2 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1464 case ISTORE_3 : storeLocal(CiKind.Int, opcode - ISTORE_0); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1465 case LSTORE_0 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1466 case LSTORE_1 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1467 case LSTORE_2 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1468 case LSTORE_3 : storeLocal(CiKind.Long, opcode - LSTORE_0); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1469 case FSTORE_0 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1470 case FSTORE_1 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1471 case FSTORE_2 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1472 case FSTORE_3 : storeLocal(CiKind.Float, opcode - FSTORE_0); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1473 case DSTORE_0 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1474 case DSTORE_1 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1475 case DSTORE_2 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1476 case DSTORE_3 : storeLocal(CiKind.Double, opcode - DSTORE_0); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1477 case ASTORE_0 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1478 case ASTORE_1 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1479 case ASTORE_2 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1480 case ASTORE_3 : storeLocal(CiKind.Object, opcode - ASTORE_0); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1481 case IASTORE : genStoreIndexed(CiKind.Int ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1482 case LASTORE : genStoreIndexed(CiKind.Long ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1483 case FASTORE : genStoreIndexed(CiKind.Float ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1484 case DASTORE : genStoreIndexed(CiKind.Double); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1485 case AASTORE : genStoreIndexed(CiKind.Object); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1486 case BASTORE : genStoreIndexed(CiKind.Byte ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1487 case CASTORE : genStoreIndexed(CiKind.Char ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1488 case SASTORE : genStoreIndexed(CiKind.Short ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1489 case POP : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1490 case POP2 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1491 case DUP : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1492 case DUP_X1 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1493 case DUP_X2 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1494 case DUP2 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1495 case DUP2_X1 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1496 case DUP2_X2 : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1497 case SWAP : stackOp(opcode); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1498 case IADD : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1499 case ISUB : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1500 case IMUL : genArithmeticOp(CiKind.Int, opcode); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1501 case IDIV : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1502 case IREM : genArithmeticOp(CiKind.Int, opcode, curState.immutableCopy(bci())); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1503 case LADD : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1504 case LSUB : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1505 case LMUL : genArithmeticOp(CiKind.Long, opcode); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1506 case LDIV : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1507 case LREM : genArithmeticOp(CiKind.Long, opcode, curState.immutableCopy(bci())); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1508 case FADD : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1509 case FSUB : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1510 case FMUL : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1511 case FDIV : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1512 case FREM : genArithmeticOp(CiKind.Float, opcode); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1513 case DADD : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1514 case DSUB : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1515 case DMUL : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1516 case DDIV : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1517 case DREM : genArithmeticOp(CiKind.Double, opcode); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1518 case INEG : genNegateOp(CiKind.Int); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1519 case LNEG : genNegateOp(CiKind.Long); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1520 case FNEG : genNegateOp(CiKind.Float); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1521 case DNEG : genNegateOp(CiKind.Double); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1522 case ISHL : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1523 case ISHR : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1524 case IUSHR : genShiftOp(CiKind.Int, opcode); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1525 case IAND : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1526 case IOR : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1527 case IXOR : genLogicOp(CiKind.Int, opcode); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1528 case LSHL : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1529 case LSHR : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1530 case LUSHR : genShiftOp(CiKind.Long, opcode); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1531 case LAND : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1532 case LOR : // fall through |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1533 case LXOR : genLogicOp(CiKind.Long, opcode); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1534 case IINC : genIncrement(); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1535 case I2L : genConvert(opcode, CiKind.Int , CiKind.Long ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1536 case I2F : genConvert(opcode, CiKind.Int , CiKind.Float ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1537 case I2D : genConvert(opcode, CiKind.Int , CiKind.Double); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1538 case L2I : genConvert(opcode, CiKind.Long , CiKind.Int ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1539 case L2F : genConvert(opcode, CiKind.Long , CiKind.Float ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1540 case L2D : genConvert(opcode, CiKind.Long , CiKind.Double); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1541 case F2I : genConvert(opcode, CiKind.Float , CiKind.Int ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1542 case F2L : genConvert(opcode, CiKind.Float , CiKind.Long ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1543 case F2D : genConvert(opcode, CiKind.Float , CiKind.Double); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1544 case D2I : genConvert(opcode, CiKind.Double, CiKind.Int ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1545 case D2L : genConvert(opcode, CiKind.Double, CiKind.Long ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1546 case D2F : genConvert(opcode, CiKind.Double, CiKind.Float ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1547 case I2B : genConvert(opcode, CiKind.Int , CiKind.Byte ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1548 case I2C : genConvert(opcode, CiKind.Int , CiKind.Char ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1549 case I2S : genConvert(opcode, CiKind.Int , CiKind.Short ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1550 case LCMP : genCompareOp(CiKind.Long, opcode, CiKind.Int); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1551 case FCMPL : genCompareOp(CiKind.Float, opcode, CiKind.Int); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1552 case FCMPG : genCompareOp(CiKind.Float, opcode, CiKind.Int); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1553 case DCMPL : genCompareOp(CiKind.Double, opcode, CiKind.Int); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1554 case DCMPG : genCompareOp(CiKind.Double, opcode, CiKind.Int); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1555 case IFEQ : genIfZero(Condition.EQ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1556 case IFNE : genIfZero(Condition.NE); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1557 case IFLT : genIfZero(Condition.LT); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1558 case IFGE : genIfZero(Condition.GE); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1559 case IFGT : genIfZero(Condition.GT); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1560 case IFLE : genIfZero(Condition.LE); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1561 case IF_ICMPEQ : genIfSame(CiKind.Int, Condition.EQ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1562 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
|
1563 case IF_ICMPLT : genIfSame(CiKind.Int, Condition.LT); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1564 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
|
1565 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
|
1566 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
|
1567 case IF_ACMPEQ : genIfSame(peekKind(), Condition.EQ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1568 case IF_ACMPNE : genIfSame(peekKind(), Condition.NE); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1569 case GOTO : genGoto(s.currentBCI(), s.readBranchDest()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1570 case JSR : genJsr(s.readBranchDest()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1571 case RET : genRet(s.readLocalIndex()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1572 case TABLESWITCH : genTableswitch(); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1573 case LOOKUPSWITCH : genLookupswitch(); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1574 case IRETURN : genReturn(ipop()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1575 case LRETURN : genReturn(lpop()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1576 case FRETURN : genReturn(fpop()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1577 case DRETURN : genReturn(dpop()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1578 case ARETURN : genReturn(apop()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1579 case RETURN : genReturn(null ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1580 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
|
1581 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
|
1582 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
|
1583 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
|
1584 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
|
1585 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
|
1586 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
|
1587 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
|
1588 case NEW : genNewInstance(s.readCPI()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1589 case NEWARRAY : genNewTypeArray(s.readLocalIndex()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1590 case ANEWARRAY : genNewObjectArray(s.readCPI()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1591 case ARRAYLENGTH : genArrayLength(); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1592 case ATHROW : genThrow(s.currentBCI()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1593 case CHECKCAST : genCheckCast(); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1594 case INSTANCEOF : genInstanceOf(); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1595 case MONITORENTER : genMonitorEnter(apop(), s.currentBCI()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1596 case MONITOREXIT : genMonitorExit(apop(), s.currentBCI()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1597 case MULTIANEWARRAY : genNewMultiArray(s.readCPI()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1598 case IFNULL : genIfNull(Condition.EQ); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1599 case IFNONNULL : genIfNull(Condition.NE); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1600 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
|
1601 case JSR_W : genJsr(s.readFarBranchDest()); break; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1602 case BREAKPOINT: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1603 throw new CiBailout("concurrent setting of breakpoint"); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1604 default: |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1605 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
|
1606 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1607 // Checkstyle: resume |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1608 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1609 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1610 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
|
1611 if (C1XOptions.TraceBytecodeParserLevel >= TRACELEVEL_INSTRUCTIONS && !TTY.isSuppressed()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1612 StringBuilder sb = new StringBuilder(40); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1613 sb.append(blockStart ? '+' : '|'); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1614 if (bci < 10) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1615 sb.append(" "); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1616 } else if (bci < 100) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1617 sb.append(' '); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1618 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1619 sb.append(bci).append(": ").append(Bytecodes.nameOf(opcode)); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1620 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
|
1621 sb.append(' ').append(s.readUByte(i)); |
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 log.println(sb.toString()); |
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 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1626 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1627 private void genArrayLength() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1628 FrameState stateBefore = curState.immutableCopy(bci()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1629 ipush(append(new ArrayLength(apop(), stateBefore))); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1630 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1631 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1632 void killMemoryMap() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1633 if (localValueMap != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1634 localValueMap.killAll(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1635 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1636 if (memoryMap != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1637 memoryMap.kill(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1638 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1639 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1640 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1641 boolean assumeLeafClass(RiType type) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1642 if (type.isResolved()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1643 if (isFinal(type.accessFlags())) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1644 return true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1645 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1646 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1647 if (C1XOptions.UseAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1648 RiType assumed = type.uniqueConcreteSubtype(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1649 if (assumed != null && assumed == type) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1650 if (C1XOptions.PrintAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1651 TTY.println("Recording leaf class assumption for " + type.name()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1652 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1653 compilation.assumptions.recordConcreteSubtype(type, assumed); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1654 return true; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1655 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1656 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1657 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1658 return false; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1659 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1660 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1661 RiMethod getAssumedLeafMethod(RiMethod method) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1662 if (method.isResolved()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1663 if (method.isLeafMethod()) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1664 return method; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1665 } |
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 if (C1XOptions.UseAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1668 RiMethod assumed = method.uniqueConcreteMethod(); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1669 if (assumed != null) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1670 if (C1XOptions.PrintAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1671 TTY.println("Recording concrete method assumption in context of " + method.holder().name() + ": " + assumed.name()); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1672 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1673 compilation.assumptions.recordConcreteMethod(method, assumed); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1674 return assumed; |
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 if (C1XOptions.PrintAssumptions) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1677 TTY.println("Did not find unique concrete method for " + method); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
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 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1681 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1682 return null; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1683 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1684 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1685 private RiConstantPool constantPool() { |
2566
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1686 return constantPool; |
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1687 } |
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1688 |
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1689 /** |
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1690 * Adds an exception handler |
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1691 * @param handler the handler to add |
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1692 */ |
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1693 private void addExceptionHandler(ExceptionHandler handler) { |
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1694 if (exceptionHandlers == null) { |
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1695 exceptionHandlers = new ArrayList<ExceptionHandler>(); |
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1696 } |
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1697 exceptionHandlers.add(handler); |
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1698 flags |= Flag.HasHandler.mask; |
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1699 } |
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1700 |
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1701 /** |
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1702 * Adds a block to the worklist, if it is not already in the worklist. |
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1703 * This method will keep the worklist topologically stored (i.e. the lower |
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1704 * DFNs are earlier in the list). |
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1705 * @param block the block to add to the work list |
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1706 */ |
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
parents:
2565
diff
changeset
|
1707 private void addToWorkList(BlockBegin block) { |
d524ad648049
Finish remove inlining (removed ScopeData), remove JSR support
Gilles Duboscq <gilles.duboscq@oracle.com>
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1708 if (!block.isOnWorkList()) { |
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1709 block.setOnWorkList(true); |
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1710 sortIntoWorkList(block); |
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1711 } |
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1712 } |
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1713 |
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1714 private void sortIntoWorkList(BlockBegin top) { |
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1715 // XXX: this is O(n), since the whole list is sorted; a heap could achieve O(nlogn), but |
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1716 // would only pay off for large worklists |
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1717 if (workList == null) { |
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1718 // need to allocate the worklist |
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1719 workList = new BlockBegin[5]; |
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1720 } else if (workListIndex == workList.length) { |
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1721 // need to grow the worklist |
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1722 BlockBegin[] nworkList = new BlockBegin[workList.length * 3]; |
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1723 System.arraycopy(workList, 0, nworkList, 0, workList.length); |
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1724 workList = nworkList; |
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1725 } |
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1726 // put the block at the end of the array |
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1727 workList[workListIndex++] = top; |
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1728 int dfn = top.depthFirstNumber(); |
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1729 assert dfn >= 0 : top + " does not have a depth first number"; |
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1730 int i = workListIndex - 2; |
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1731 // push top towards the beginning of the array |
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1732 for (; i >= 0; i--) { |
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1733 BlockBegin b = workList[i]; |
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1734 if (b.depthFirstNumber() >= dfn) { |
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1735 break; // already in the right position |
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1736 } |
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1737 workList[i + 1] = b; // bubble b down by one |
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1738 workList[i] = top; // and overwrite it with top |
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1739 } |
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1740 } |
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1741 |
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1742 /** |
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1743 * Removes the next block from the worklist. The list is sorted topologically, so the |
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1744 * block with the lowest depth first number in the list will be removed and returned. |
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1745 * @return the next block from the worklist; {@code null} if there are no blocks |
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1746 * in the worklist |
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1747 */ |
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1748 private BlockBegin removeFromWorkList() { |
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1749 if (workListIndex == 0) { |
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1750 return null; |
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1751 } |
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1752 // pop the last item off the end |
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1753 return workList[--workListIndex]; |
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1754 } |
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1755 |
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1756 /** |
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1757 * Checks whether this graph has any handlers. |
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1758 * @return {@code true} if there are any exception handlers |
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1759 */ |
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1760 private boolean hasHandler() { |
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1761 return (flags & Flag.HasHandler.mask) != 0; |
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1762 } |
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1763 |
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1764 /** |
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1765 * Checks whether this graph can contain safepoints. |
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1766 */ |
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1767 private boolean noSafepoints() { |
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1768 return (flags & Flag.NoSafepoints.mask) != 0; |
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1769 } |
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1770 } |