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annotate graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotNodeLIRGenerator.java @ 14851:a5373295d454

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Remove state*() from NodeLIRGenerator.
author Josef Eisl <josef.eisl@jku.at>
date Thu, 27 Mar 2014 13:54:27 +0100
parents fbae9be45c95
children 64e6a5484cac
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1 /*
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2 * Copyright (c) 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.hotspot.amd64;
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24
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25 import static com.oracle.graal.amd64.AMD64.*;
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26 import static com.oracle.graal.api.code.ValueUtil.*;
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27 import static com.oracle.graal.hotspot.HotSpotBackend.*;
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28
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29 import java.lang.reflect.*;
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30
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31 import com.oracle.graal.amd64.*;
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32 import com.oracle.graal.api.code.*;
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33 import com.oracle.graal.api.meta.*;
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34 import com.oracle.graal.asm.*;
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35 import com.oracle.graal.asm.amd64.AMD64Address.Scale;
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36 import com.oracle.graal.compiler.amd64.*;
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37 import com.oracle.graal.compiler.gen.*;
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38 import com.oracle.graal.debug.*;
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39 import com.oracle.graal.graph.*;
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40 import com.oracle.graal.hotspot.*;
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41 import com.oracle.graal.hotspot.amd64.AMD64HotSpotLIRGenerator.SaveRbp;
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42 import com.oracle.graal.hotspot.amd64.AMD64HotSpotMove.CompareAndSwapCompressedOp;
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43 import com.oracle.graal.hotspot.meta.*;
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44 import com.oracle.graal.hotspot.nodes.*;
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45 import com.oracle.graal.lir.*;
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46 import com.oracle.graal.lir.StandardOp.NoOp;
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47 import com.oracle.graal.lir.amd64.*;
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48 import com.oracle.graal.lir.amd64.AMD64ControlFlow.CondMoveOp;
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49 import com.oracle.graal.lir.amd64.AMD64Move.CompareAndSwapOp;
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50 import com.oracle.graal.nodes.*;
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51 import com.oracle.graal.nodes.calc.*;
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52 import com.oracle.graal.nodes.java.*;
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53 import com.oracle.graal.nodes.java.MethodCallTargetNode.InvokeKind;
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54
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55 /**
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56 * LIR generator specialized for AMD64 HotSpot.
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57 */
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58 public class AMD64HotSpotNodeLIRGenerator extends AMD64NodeLIRGenerator implements HotSpotNodeLIRGenerator {
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59
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60 public AMD64HotSpotNodeLIRGenerator(StructuredGraph graph, LIRGenerationResult res, LIRGenerator gen) {
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61 super(graph, res, gen);
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62 memoryPeephole = new AMD64HotSpotMemoryPeephole(this);
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63 }
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64
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65 private AMD64HotSpotLIRGenerator getGen() {
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66 return (AMD64HotSpotLIRGenerator) gen;
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67 }
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68
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69 private SaveRbp getSaveRbp() {
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70 return getGen().saveRbp;
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71 }
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72
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73 private void setSaveRbp(SaveRbp saveRbp) {
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74 getGen().saveRbp = saveRbp;
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75 }
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76
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77 @Override
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78 protected DebugInfoBuilder createDebugInfoBuilder(NodeMap<Value> nodeOperands) {
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79 HotSpotLockStack lockStack = new HotSpotLockStack(res.getFrameMap(), Kind.Long);
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80 return new HotSpotDebugInfoBuilder(nodeOperands, lockStack);
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81 }
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82
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83 @Override
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84 protected void emitPrologue(StructuredGraph graph) {
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85
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86 CallingConvention incomingArguments = gen.getCallingConvention();
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87
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88 Value[] params = new Value[incomingArguments.getArgumentCount() + 1];
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89 for (int i = 0; i < params.length - 1; i++) {
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90 params[i] = toStackKind(incomingArguments.getArgument(i));
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91 if (isStackSlot(params[i])) {
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92 StackSlot slot = ValueUtil.asStackSlot(params[i]);
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93 if (slot.isInCallerFrame() && !res.getLIR().hasArgInCallerFrame()) {
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94 res.getLIR().setHasArgInCallerFrame();
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95 }
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96 }
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97 }
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98 params[params.length - 1] = rbp.asValue(Kind.Long);
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99
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100 emitIncomingValues(params);
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101
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102 setSaveRbp(((AMD64HotSpotLIRGenerator) gen).new SaveRbp(new NoOp(gen.getCurrentBlock(), res.getLIR().getLIRforBlock(gen.getCurrentBlock()).size())));
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103 append(getSaveRbp().placeholder);
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104
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105 for (ParameterNode param : graph.getNodes(ParameterNode.class)) {
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106 Value paramValue = params[param.index()];
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107 assert paramValue.getKind() == param.getKind().getStackKind();
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108 setResult(param, gen.emitMove(paramValue));
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109 }
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110 }
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111
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112 @Override
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113 public void visitSafepointNode(SafepointNode i) {
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114 LIRFrameState info = gen.state(i);
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115 append(new AMD64HotSpotSafepointOp(info, getGen().config, this));
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116 }
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117
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118 @Override
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119 protected void emitDirectCall(DirectCallTargetNode callTarget, Value result, Value[] parameters, Value[] temps, LIRFrameState callState) {
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120 InvokeKind invokeKind = ((HotSpotDirectCallTargetNode) callTarget).invokeKind();
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121 if (invokeKind == InvokeKind.Interface || invokeKind == InvokeKind.Virtual) {
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122 append(new AMD64HotspotDirectVirtualCallOp(callTarget.target(), result, parameters, temps, callState, invokeKind));
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123 } else {
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124 assert invokeKind == InvokeKind.Static || invokeKind == InvokeKind.Special;
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125 HotSpotResolvedJavaMethod resolvedMethod = (HotSpotResolvedJavaMethod) callTarget.target();
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126 assert !Modifier.isAbstract(resolvedMethod.getModifiers()) : "Cannot make direct call to abstract method.";
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127 Constant metaspaceMethod = resolvedMethod.getMetaspaceMethodConstant();
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128 append(new AMD64HotspotDirectStaticCallOp(callTarget.target(), result, parameters, temps, callState, invokeKind, metaspaceMethod));
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129 }
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130 }
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131
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132 @Override
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133 protected void emitIndirectCall(IndirectCallTargetNode callTarget, Value result, Value[] parameters, Value[] temps, LIRFrameState callState) {
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134 if (callTarget instanceof HotSpotIndirectCallTargetNode) {
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135 AllocatableValue metaspaceMethod = AMD64.rbx.asValue();
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136 gen.emitMove(metaspaceMethod, operand(((HotSpotIndirectCallTargetNode) callTarget).metaspaceMethod()));
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137 AllocatableValue targetAddress = AMD64.rax.asValue();
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138 gen.emitMove(targetAddress, operand(callTarget.computedAddress()));
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139 append(new AMD64IndirectCallOp(callTarget.target(), result, parameters, temps, metaspaceMethod, targetAddress, callState));
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140 } else {
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141 super.emitIndirectCall(callTarget, result, parameters, temps, callState);
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142 }
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143 }
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144
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145 @Override
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146 public void emitPatchReturnAddress(ValueNode address) {
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147 append(new AMD64HotSpotPatchReturnAddressOp(gen.load(operand(address))));
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148 }
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149
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150 @Override
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151 public void emitJumpToExceptionHandlerInCaller(ValueNode handlerInCallerPc, ValueNode exception, ValueNode exceptionPc) {
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152 Variable handler = gen.load(operand(handlerInCallerPc));
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153 ForeignCallLinkage linkage = gen.getForeignCalls().lookupForeignCall(EXCEPTION_HANDLER_IN_CALLER);
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154 CallingConvention outgoingCc = linkage.getOutgoingCallingConvention();
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155 assert outgoingCc.getArgumentCount() == 2;
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156 RegisterValue exceptionFixed = (RegisterValue) outgoingCc.getArgument(0);
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157 RegisterValue exceptionPcFixed = (RegisterValue) outgoingCc.getArgument(1);
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158 gen.emitMove(exceptionFixed, operand(exception));
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159 gen.emitMove(exceptionPcFixed, operand(exceptionPc));
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160 Register thread = getGen().getProviders().getRegisters().getThreadRegister();
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161 AMD64HotSpotJumpToExceptionHandlerInCallerOp op = new AMD64HotSpotJumpToExceptionHandlerInCallerOp(handler, exceptionFixed, exceptionPcFixed, getGen().config.threadIsMethodHandleReturnOffset,
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162 thread);
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163 append(op);
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164 }
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165
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166 @Override
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167 public void visitInfopointNode(InfopointNode i) {
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168 if (i.getState() != null && i.getState().bci == FrameState.AFTER_BCI) {
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169 Debug.log("Ignoring InfopointNode for AFTER_BCI");
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170 } else {
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171 super.visitInfopointNode(i);
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172 }
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173 }
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174
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175 public void emitPrefetchAllocate(ValueNode address, ValueNode distance) {
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176 AMD64AddressValue addr = getGen().emitAddress(operand(address), 0, gen.loadNonConst(operand(distance)), 1);
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177 append(new AMD64PrefetchOp(addr, getGen().config.allocatePrefetchInstr));
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178 }
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179
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180 @Override
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181 public void visitDirectCompareAndSwap(DirectCompareAndSwapNode x) {
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182 Kind kind = x.newValue().getKind();
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183 assert kind == x.expectedValue().getKind();
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184
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185 Value expected = gen.loadNonConst(operand(x.expectedValue()));
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186 Variable newVal = gen.load(operand(x.newValue()));
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187
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188 int disp = 0;
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189 AMD64AddressValue address;
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190 Value index = operand(x.offset());
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191 if (ValueUtil.isConstant(index) && NumUtil.isInt(ValueUtil.asConstant(index).asLong() + disp)) {
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192 assert !gen.getCodeCache().needsDataPatch(asConstant(index));
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193 disp += (int) ValueUtil.asConstant(index).asLong();
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194 address = new AMD64AddressValue(kind, gen.load(operand(x.object())), disp);
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195 } else {
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196 address = new AMD64AddressValue(kind, gen.load(operand(x.object())), gen.load(index), Scale.Times1, disp);
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197 }
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198
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199 RegisterValue rax_local = AMD64.rax.asValue(kind);
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200 gen.emitMove(rax_local, expected);
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201 append(new CompareAndSwapOp(rax_local, address, rax_local, newVal));
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202
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203 Variable result = newVariable(x.getKind());
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204 gen.emitMove(result, rax_local);
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diff changeset
205 setResult(x, result);
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206 }
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207
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208 @Override
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209 public void visitCompareAndSwap(LoweredCompareAndSwapNode node, Value address) {
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210 Kind kind = node.getNewValue().getKind();
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diff changeset
211 assert kind == node.getExpectedValue().getKind();
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diff changeset
212 Value expected = gen.loadNonConst(operand(node.getExpectedValue()));
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diff changeset
213 Variable newValue = gen.load(operand(node.getNewValue()));
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214 AMD64AddressValue addressValue = getGen().asAddressValue(address);
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diff changeset
215 RegisterValue raxRes = AMD64.rax.asValue(kind);
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diff changeset
216 gen.emitMove(raxRes, expected);
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diff changeset
217 if (getGen().config.useCompressedOops && node.isCompressible()) {
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diff changeset
218 Variable scratch = newVariable(Kind.Long);
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diff changeset
219 Register heapBaseReg = getGen().getProviders().getRegisters().getHeapBaseRegister();
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diff changeset
220 append(new CompareAndSwapCompressedOp(raxRes, addressValue, raxRes, newValue, scratch, getGen().config.getOopEncoding(), heapBaseReg));
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221 } else {
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222 append(new CompareAndSwapOp(raxRes, addressValue, raxRes, newValue));
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223 }
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224 Variable result = newVariable(node.getKind());
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225 append(new CondMoveOp(result, Condition.EQ, gen.load(Constant.TRUE), Constant.FALSE));
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diff changeset
226 setResult(node, result);
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227 }
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228
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229 }