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annotate graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotLIRGenerator.java @ 9247:27c75e4016db

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clarified code for emitting LIR code to save RBP
author Doug Simon <doug.simon@oracle.com>
date Tue, 23 Apr 2013 14:03:32 +0200
parents 2c0c708a0ad6
children 1342574c4f7d 1e1d619487b9 0266549ff6e0
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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.CallingConvention.Type.*;
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27 import static com.oracle.graal.api.code.ValueUtil.*;
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28 import static com.oracle.graal.hotspot.amd64.AMD64HotSpotUnwindOp.*;
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29
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30 import java.util.*;
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31
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32 import com.oracle.graal.amd64.*;
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33 import com.oracle.graal.api.code.*;
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34 import com.oracle.graal.api.meta.*;
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35 import com.oracle.graal.asm.*;
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36 import com.oracle.graal.asm.amd64.AMD64Address.Scale;
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37 import com.oracle.graal.compiler.amd64.*;
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38 import com.oracle.graal.compiler.gen.*;
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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.meta.*;
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42 import com.oracle.graal.hotspot.nodes.*;
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43 import com.oracle.graal.hotspot.stubs.*;
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44 import com.oracle.graal.lir.*;
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45 import com.oracle.graal.lir.StandardOp.ParametersOp;
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46 import com.oracle.graal.lir.StandardOp.PlaceholderOp;
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47 import com.oracle.graal.lir.amd64.*;
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48 import com.oracle.graal.lir.amd64.AMD64Move.CompareAndSwapOp;
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49 import com.oracle.graal.lir.amd64.AMD64Move.MoveFromRegOp;
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50 import com.oracle.graal.nodes.*;
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51 import com.oracle.graal.nodes.java.MethodCallTargetNode.InvokeKind;
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52
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53 /**
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54 * LIR generator specialized for AMD64 HotSpot.
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55 */
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56 final class AMD64HotSpotLIRGenerator extends AMD64LIRGenerator implements HotSpotLIRGenerator {
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57
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58 private HotSpotRuntime runtime() {
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59 return (HotSpotRuntime) runtime;
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60 }
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61
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62 AMD64HotSpotLIRGenerator(StructuredGraph graph, CodeCacheProvider runtime, TargetDescription target, FrameMap frameMap, ResolvedJavaMethod method, LIR lir) {
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63 super(graph, runtime, target, frameMap, method, lir);
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64 }
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65
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66 /**
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67 * The slot reserved for storing the original return address when a frame is marked for
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68 * deoptimization. The return address slot in the callee is overwritten with the address of a
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69 * deoptimization stub.
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70 */
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71 StackSlot deoptimizationRescueSlot;
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72
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73 /**
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74 * Utility for emitting the instruction to save RBP.
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75 */
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76 class SaveRbp {
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77
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78 final PlaceholderOp placeholder;
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79
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80 /**
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81 * The slot reserved for saving RBP.
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82 */
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83 final StackSlot reservedSlot;
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84
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85 public SaveRbp(PlaceholderOp placeholder) {
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86 this.placeholder = placeholder;
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87 this.reservedSlot = frameMap.allocateSpillSlot(Kind.Long);
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88 assert reservedSlot.getRawOffset() == -16 : reservedSlot.getRawOffset();
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89 }
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90
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91 /**
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92 * Replaces this operation with the appropriate move for saving rbp.
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93 *
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94 * @param useStack specifies if rbp must be saved to the stack
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95 */
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96 public AllocatableValue finalize(boolean useStack) {
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97 AllocatableValue dst;
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98 if (useStack) {
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99 dst = reservedSlot;
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100 } else {
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101 frameMap.freeSpillSlot(reservedSlot);
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102 dst = newVariable(Kind.Long);
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103 }
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104
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105 placeholder.replace(lir, new MoveFromRegOp(dst, rbp.asValue(Kind.Long)));
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106 return dst;
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107 }
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108 }
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109
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110 private SaveRbp saveRbp;
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111
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112 /**
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113 * List of epilogue operations that need to restore RBP.
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114 */
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115 List<AMD64HotSpotEpilogueOp> epilogueOps = new ArrayList<>(2);
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116
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117 @SuppressWarnings("hiding")
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118 @Override
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119 protected DebugInfoBuilder createDebugInfoBuilder(NodeMap<Value> nodeOperands) {
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120 assert runtime().config.basicLockSize == 8;
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121 HotSpotLockStack lockStack = new HotSpotLockStack(frameMap, Kind.Long);
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122 return new HotSpotDebugInfoBuilder(nodeOperands, lockStack);
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123 }
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124
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125 @Override
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126 public StackSlot getLockSlot(int lockDepth) {
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127 return ((HotSpotDebugInfoBuilder) debugInfoBuilder).lockStack().makeLockSlot(lockDepth);
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128 }
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129
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130 @Override
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parents:
diff changeset
131 protected void emitPrologue() {
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
132
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
133 CallingConvention incomingArguments = createCallingConvention();
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
134
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
135 RegisterValue rbpParam = rbp.asValue(Kind.Long);
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
136 Value[] params = new Value[incomingArguments.getArgumentCount() + 1];
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
137 for (int i = 0; i < params.length - 1; i++) {
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
138 params[i] = toStackKind(incomingArguments.getArgument(i));
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
139 if (isStackSlot(params[i])) {
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
140 StackSlot slot = ValueUtil.asStackSlot(params[i]);
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
141 if (slot.isInCallerFrame() && !lir.hasArgInCallerFrame()) {
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
142 lir.setHasArgInCallerFrame();
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
143 }
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
144 }
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
145 }
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
146 params[params.length - 1] = rbpParam;
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
147
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
148 ParametersOp paramsOp = new ParametersOp(params);
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
149 append(paramsOp);
9247
27c75e4016db clarified code for emitting LIR code to save RBP
Doug Simon <doug.simon@oracle.com>
parents: 8892
diff changeset
150
27c75e4016db clarified code for emitting LIR code to save RBP
Doug Simon <doug.simon@oracle.com>
parents: 8892
diff changeset
151 saveRbp = new SaveRbp(new PlaceholderOp(currentBlock, lir.lir(currentBlock).size()));
27c75e4016db clarified code for emitting LIR code to save RBP
Doug Simon <doug.simon@oracle.com>
parents: 8892
diff changeset
152 append(saveRbp.placeholder);
8303
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
153
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
154 for (LocalNode local : graph.getNodes(LocalNode.class)) {
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
155 Value param = params[local.index()];
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
156 assert param.getKind() == local.kind().getStackKind();
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
157 setResult(local, emitMove(param));
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
158 }
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
159 }
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
160
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
161 @Override
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
162 protected void emitReturn(Value input) {
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
163 AMD64HotSpotReturnOp op = new AMD64HotSpotReturnOp(input);
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
164 epilogueOps.add(op);
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
165 append(op);
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
166 }
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
167
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
168 @Override
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
169 protected boolean needOnlyOopMaps() {
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
170 // Stubs only need oop maps
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
171 return runtime().asStub(method) != null;
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
172 }
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
173
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
174 @Override
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
175 protected CallingConvention createCallingConvention() {
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
176 Stub stub = runtime().asStub(method);
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
177 if (stub != null) {
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
178 return stub.getLinkage().getCallingConvention();
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
179 }
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
180
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
181 if (graph.getEntryBCI() == StructuredGraph.INVOCATION_ENTRY_BCI) {
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
182 return super.createCallingConvention();
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
183 } else {
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
184 return frameMap.registerConfig.getCallingConvention(JavaCallee, method.getSignature().getReturnType(null), new JavaType[]{runtime.lookupJavaType(long.class)}, target, false);
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
185 }
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
186 }
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
187
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
188 @Override
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
189 public void visitSafepointNode(SafepointNode i) {
8892
2c0c708a0ad6 Introduce DeoptimizingNode interface
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 8643
diff changeset
190 LIRFrameState info = state(i);
8303
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
191 append(new AMD64SafepointOp(info, runtime().config, this));
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
192 }
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
193
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
194 @SuppressWarnings("hiding")
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
195 @Override
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
196 public void visitDirectCompareAndSwap(DirectCompareAndSwapNode x) {
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
197 Kind kind = x.newValue().kind();
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
198 assert kind == x.expectedValue().kind();
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
199
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
200 Value expected = loadNonConst(operand(x.expectedValue()));
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
201 Variable newVal = load(operand(x.newValue()));
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
202
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
203 int disp = 0;
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
204 AMD64AddressValue address;
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
205 Value index = operand(x.offset());
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
206 if (ValueUtil.isConstant(index) && NumUtil.isInt(ValueUtil.asConstant(index).asLong() + disp)) {
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
207 assert !runtime.needsDataPatch(asConstant(index));
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
208 disp += (int) ValueUtil.asConstant(index).asLong();
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
209 address = new AMD64AddressValue(kind, load(operand(x.object())), disp);
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
210 } else {
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
211 address = new AMD64AddressValue(kind, load(operand(x.object())), load(index), Scale.Times1, disp);
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
212 }
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
213
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
214 RegisterValue rax = AMD64.rax.asValue(kind);
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
215 emitMove(rax, expected);
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
216 append(new CompareAndSwapOp(rax, address, rax, newVal));
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
217
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
218 Variable result = newVariable(x.kind());
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
219 emitMove(result, rax);
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
220 setResult(x, result);
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
221 }
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
222
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
223 @Override
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
224 public void emitTailcall(Value[] args, Value address) {
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
225 append(new AMD64TailcallOp(args, address));
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
226
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
227 }
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
228
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
229 @Override
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
230 protected void emitDirectCall(DirectCallTargetNode callTarget, Value result, Value[] parameters, Value[] temps, LIRFrameState callState) {
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
231 InvokeKind invokeKind = ((HotSpotDirectCallTargetNode) callTarget).invokeKind();
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
232 if (invokeKind == InvokeKind.Interface || invokeKind == InvokeKind.Virtual) {
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
233 append(new AMD64HotspotDirectVirtualCallOp(callTarget.target(), result, parameters, temps, callState, invokeKind));
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
234 } else {
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
235 assert invokeKind == InvokeKind.Static || invokeKind == InvokeKind.Special;
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
236 HotSpotResolvedJavaMethod resolvedMethod = (HotSpotResolvedJavaMethod) callTarget.target();
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
237 Constant metaspaceMethod = resolvedMethod.getMetaspaceMethodConstant();
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
238 append(new AMD64HotspotDirectStaticCallOp(callTarget.target(), result, parameters, temps, callState, invokeKind, metaspaceMethod));
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
239 }
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
240 }
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
241
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
242 @Override
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
243 protected void emitIndirectCall(IndirectCallTargetNode callTarget, Value result, Value[] parameters, Value[] temps, LIRFrameState callState) {
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
244 Value metaspaceMethod = AMD64.rbx.asValue();
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
245 emitMove(metaspaceMethod, operand(((HotSpotIndirectCallTargetNode) callTarget).metaspaceMethod()));
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
246 Value targetAddress = AMD64.rax.asValue();
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
247 emitMove(targetAddress, operand(callTarget.computedAddress()));
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
248 append(new AMD64IndirectCallOp(callTarget.target(), result, parameters, temps, metaspaceMethod, targetAddress, callState));
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
249 }
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
250
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
251 @Override
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
252 public void emitUnwind(Value exception) {
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
253 RegisterValue exceptionParameter = EXCEPTION.asValue();
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
254 emitMove(exceptionParameter, exception);
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
255 AMD64HotSpotUnwindOp op = new AMD64HotSpotUnwindOp(exceptionParameter);
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
256 epilogueOps.add(op);
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
257 append(op);
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
258 }
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
259
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
260 @Override
8892
2c0c708a0ad6 Introduce DeoptimizingNode interface
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 8643
diff changeset
261 public void emitDeoptimize(DeoptimizationAction action, DeoptimizingNode deopting) {
2c0c708a0ad6 Introduce DeoptimizingNode interface
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 8643
diff changeset
262 append(new AMD64DeoptimizeOp(action, deopting.getDeoptimizationReason(), state(deopting)));
8303
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
263 }
bb9fba66b6ef refactored HotSpotAMD64LIRGenerator into its own file
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
264
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265 @Override
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266 public void beforeRegisterAllocation() {
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267 boolean hasDebugInfo = lir.hasDebugInfo();
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268 AllocatableValue savedRbp = saveRbp.finalize(hasDebugInfo);
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269 if (hasDebugInfo) {
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270 deoptimizationRescueSlot = frameMap.allocateSpillSlot(Kind.Long);
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271 }
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272
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273 for (AMD64HotSpotEpilogueOp op : epilogueOps) {
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274 op.savedRbp = savedRbp;
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275 }
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276 }
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277 }