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annotate graal/com.oracle.graal.lir/src/com/oracle/graal/lir/gen/LIRGeneratorTool.java @ 16092:51ba6c521922

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Refactor LIRGeneratorTool methods.
author Roland Schatz <roland.schatz@oracle.com>
date Fri, 13 Jun 2014 11:08:16 +0200
parents b38191cd1665
children c0b8d395368b
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1 /*
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2 * Copyright (c) 2011, 2012, 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.oracle.graal.lir.gen;
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24
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25 import com.oracle.graal.api.code.*;
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26 import com.oracle.graal.api.meta.*;
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27 import com.oracle.graal.compiler.common.*;
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28 import com.oracle.graal.compiler.common.calc.*;
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29 import com.oracle.graal.compiler.common.cfg.*;
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30 import com.oracle.graal.compiler.common.spi.*;
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31 import com.oracle.graal.lir.*;
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32
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33 public interface LIRGeneratorTool extends ArithmeticLIRGenerator {
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34
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35 CodeGenProviders getProviders();
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36
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37 TargetDescription target();
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38
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39 MetaAccessProvider getMetaAccess();
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40
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41 CodeCacheProvider getCodeCache();
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42
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43 ForeignCallsProvider getForeignCalls();
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44
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45 AbstractBlock<?> getCurrentBlock();
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46
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47 LIRGenerationResult getResult();
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48
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49 boolean hasBlockEnd(AbstractBlock<?> block);
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50
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51 void doBlockStart(AbstractBlock<?> block);
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52
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53 void doBlockEnd(AbstractBlock<?> block);
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54
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55 Value emitLoad(PlatformKind kind, Value address, LIRFrameState state);
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56
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57 void emitStore(PlatformKind kind, Value address, Value input, LIRFrameState state);
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58
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59 void emitNullCheck(Value address, LIRFrameState state);
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60
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61 Value emitCompareAndSwap(Value address, Value expectedValue, Value newValue, Value trueValue, Value falseValue);
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62
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63 /**
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64 * Emit an atomic read-and-add instruction.
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65 *
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66 * @param address address of the value to be read and written
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67 * @param delta the value to be added
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68 */
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69 default Value emitAtomicReadAndAdd(Value address, Value delta) {
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70 throw GraalInternalError.unimplemented();
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71 }
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72
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73 /**
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74 * Emit an atomic read-and-write instruction.
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75 *
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76 * @param address address of the value to be read and written
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77 * @param newValue the new value to be written
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78 */
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79 default Value emitAtomicReadAndWrite(Value address, Value newValue) {
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80 throw GraalInternalError.unimplemented();
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81 }
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82
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83 void emitDeoptimize(Value actionAndReason, Value failedSpeculation, LIRFrameState state);
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84
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85 Variable emitForeignCall(ForeignCallLinkage linkage, LIRFrameState state, Value... args);
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86
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87 /**
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88 * Checks whether the supplied constant can be used without loading it into a register for most
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89 * operations, i.e., for commonly used arithmetic, logical, and comparison operations.
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90 *
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91 * @param c The constant to check.
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92 * @return True if the constant can be used directly, false if the constant needs to be in a
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93 * register.
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94 */
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95 boolean canInlineConstant(Constant c);
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96
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97 /**
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98 * Checks whether the supplied constant can be used without loading it into a register for store
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99 * operations, i.e., on the right hand side of a memory access.
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100 *
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101 * @param c The constant to check.
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102 * @return True if the constant can be used directly, false if the constant needs to be in a
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103 * register.
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104 */
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105 boolean canStoreConstant(Constant c);
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106
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107 RegisterAttributes attributes(Register register);
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108
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109 Variable newVariable(PlatformKind kind);
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110
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111 Variable emitMove(Value input);
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112
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113 void emitMove(AllocatableValue dst, Value src);
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114
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115 /**
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116 * Emits an op that loads the address of some raw data.
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117 *
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118 * @param dst the variable into which the address is loaded
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119 * @param data the data to be installed with the generated code
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120 */
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121 void emitData(AllocatableValue dst, byte[] data);
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122
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123 Value emitAddress(Value base, long displacement, Value index, int scale);
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124
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125 Value emitAddress(StackSlot slot);
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126
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127 void emitMembar(int barriers);
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128
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129 void emitUnwind(Value operand);
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130
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131 /**
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132 * Called just before register allocation is performed on the LIR owned by this generator.
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133 * Overriding implementations of this method must call the overridden method.
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134 */
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135 void beforeRegisterAllocation();
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136
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137 void emitIncomingValues(Value[] params);
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138
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139 /**
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140 * Emits a return instruction. Implementations need to insert a move if the input is not in the
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141 * correct location.
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142 */
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143 void emitReturn(Value input);
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144
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145 AllocatableValue asAllocatable(Value value);
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146
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147 Variable load(Value value);
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148
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149 Value loadNonConst(Value value);
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150
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151 /**
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152 * Returns true if the redundant move elimination optimization should be done after register
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153 * allocation.
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154 */
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155 boolean canEliminateRedundantMoves();
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156
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157 /**
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158 * Determines if only oop maps are required for the code generated from the LIR.
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159 */
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160 boolean needOnlyOopMaps();
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161
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162 /**
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163 * Gets the ABI specific operand used to return a value of a given kind from a method.
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164 *
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165 * @param kind the kind of value being returned
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166 * @return the operand representing the ABI defined location used return a value of kind
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167 * {@code kind}
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168 */
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169 AllocatableValue resultOperandFor(Kind kind);
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170
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171 void append(LIRInstruction op);
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172
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173 void emitJump(LabelRef label);
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174
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175 void emitCompareBranch(PlatformKind cmpKind, Value left, Value right, Condition cond, boolean unorderedIsTrue, LabelRef trueDestination, LabelRef falseDestination,
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176 double trueDestinationProbability);
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177
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178 void emitOverflowCheckBranch(LabelRef overflow, LabelRef noOverflow, double overflowProbability);
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179
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180 void emitIntegerTestBranch(Value left, Value right, LabelRef trueDestination, LabelRef falseDestination, double trueSuccessorProbability);
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181
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182 Variable emitConditionalMove(PlatformKind cmpKind, Value leftVal, Value right, Condition cond, boolean unorderedIsTrue, Value trueValue, Value falseValue);
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183
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184 Variable emitIntegerTestMove(Value leftVal, Value right, Value trueValue, Value falseValue);
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185
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186 void emitStrategySwitch(Constant[] keyConstants, double[] keyProbabilities, LabelRef[] keyTargets, LabelRef defaultTarget, Variable value);
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187
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188 void emitStrategySwitch(SwitchStrategy strategy, Variable key, LabelRef[] keyTargets, LabelRef defaultTarget);
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189
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190 CallingConvention getCallingConvention();
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191
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192 Value emitBitCount(Value operand);
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193
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194 Value emitBitScanForward(Value operand);
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195
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196 Value emitBitScanReverse(Value operand);
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197
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198 Value emitByteSwap(Value operand);
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199
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200 Value emitArrayEquals(Kind kind, Value array1, Value array2, Value length);
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201
15298
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202 }