Mercurial > hg > truffle
annotate graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotLIRGenerator.java @ 15910:79a0d9065849
Support direct comparison of compressed pointers.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Mon, 26 May 2014 16:13:58 +0200 |
parents | e43591136d9f |
children | af0e42dad358 |
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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.HotSpotGraalRuntime.*; |
15104 | 28 import static com.oracle.graal.hotspot.nodes.UncommonTrapCallNode.*; |
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29 import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*; |
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30 |
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31 import java.util.*; |
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32 |
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33 import com.oracle.graal.amd64.*; |
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34 import com.oracle.graal.api.code.*; |
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35 import com.oracle.graal.api.meta.*; |
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36 import com.oracle.graal.asm.amd64.*; |
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37 import com.oracle.graal.compiler.amd64.*; |
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38 import com.oracle.graal.compiler.common.*; |
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39 import com.oracle.graal.compiler.common.calc.*; |
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40 import com.oracle.graal.hotspot.*; |
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41 import com.oracle.graal.hotspot.HotSpotVMConfig.CompressEncoding; |
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42 import com.oracle.graal.hotspot.amd64.AMD64HotSpotMove.HotSpotStoreConstantOp; |
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43 import com.oracle.graal.hotspot.data.*; |
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44 import com.oracle.graal.hotspot.meta.*; |
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45 import com.oracle.graal.hotspot.nodes.*; |
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46 import com.oracle.graal.hotspot.nodes.type.*; |
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47 import com.oracle.graal.hotspot.stubs.*; |
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48 import com.oracle.graal.lir.*; |
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49 import com.oracle.graal.lir.StandardOp.NoOp; |
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50 import com.oracle.graal.lir.StandardOp.SaveRegistersOp; |
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51 import com.oracle.graal.lir.amd64.*; |
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52 import com.oracle.graal.lir.amd64.AMD64ControlFlow.BranchOp; |
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53 import com.oracle.graal.lir.amd64.AMD64ControlFlow.CondMoveOp; |
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54 import com.oracle.graal.lir.amd64.AMD64Move.CompareAndSwapOp; |
14850 | 55 import com.oracle.graal.lir.amd64.AMD64Move.LeaDataOp; |
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56 import com.oracle.graal.lir.amd64.AMD64Move.LoadOp; |
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57 import com.oracle.graal.lir.amd64.AMD64Move.MoveFromRegOp; |
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58 import com.oracle.graal.lir.amd64.AMD64Move.MoveToRegOp; |
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59 import com.oracle.graal.lir.amd64.AMD64Move.StoreOp; |
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60 import com.oracle.graal.lir.asm.*; |
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61 import com.oracle.graal.lir.gen.*; |
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62 |
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63 /** |
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64 * LIR generator specialized for AMD64 HotSpot. |
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65 */ |
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66 public class AMD64HotSpotLIRGenerator extends AMD64LIRGenerator implements HotSpotLIRGenerator { |
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67 |
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68 final HotSpotVMConfig config; |
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69 private HotSpotLockStack lockStack; |
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70 |
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71 protected AMD64HotSpotLIRGenerator(HotSpotProviders providers, HotSpotVMConfig config, CallingConvention cc, LIRGenerationResult lirGenRes) { |
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72 super(providers, cc, lirGenRes); |
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73 assert config.basicLockSize == 8; |
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74 this.config = config; |
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75 } |
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76 |
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77 @Override |
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78 public HotSpotProviders getProviders() { |
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79 return (HotSpotProviders) super.getProviders(); |
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80 } |
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81 |
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82 /** |
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83 * Utility for emitting the instruction to save RBP. |
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84 */ |
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85 class SaveRbp { |
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86 |
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87 final NoOp placeholder; |
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88 |
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89 /** |
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90 * The slot reserved for saving RBP. |
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91 */ |
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92 final StackSlot reservedSlot; |
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93 |
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94 public SaveRbp(NoOp placeholder) { |
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95 this.placeholder = placeholder; |
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96 this.reservedSlot = getResult().getFrameMap().allocateSpillSlot(Kind.Long); |
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97 assert reservedSlot.getRawOffset() == -16 : reservedSlot.getRawOffset(); |
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98 } |
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99 |
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100 /** |
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101 * Replaces this operation with the appropriate move for saving rbp. |
14859 | 102 * |
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103 * @param useStack specifies if rbp must be saved to the stack |
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104 */ |
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105 public AllocatableValue finalize(boolean useStack) { |
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106 AllocatableValue dst; |
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107 if (useStack) { |
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108 dst = reservedSlot; |
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109 } else { |
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110 getResult().getFrameMap().freeSpillSlot(reservedSlot); |
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111 dst = newVariable(Kind.Long); |
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112 } |
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113 |
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114 placeholder.replace(getResult().getLIR(), new MoveFromRegOp(Kind.Long, dst, rbp.asValue(Kind.Long))); |
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115 return dst; |
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116 } |
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117 } |
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118 |
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119 SaveRbp saveRbp; |
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120 |
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121 /** |
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122 * List of epilogue operations that need to restore RBP. |
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123 */ |
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124 List<AMD64HotSpotEpilogueOp> epilogueOps = new ArrayList<>(2); |
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125 |
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126 @Override |
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127 public void append(LIRInstruction op) { |
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128 super.append(op); |
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129 if (op instanceof AMD64HotSpotEpilogueOp) { |
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130 epilogueOps.add((AMD64HotSpotEpilogueOp) op); |
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131 } |
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132 } |
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133 |
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134 @Override |
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135 public StackSlot getLockSlot(int lockDepth) { |
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136 return getLockStack().makeLockSlot(lockDepth); |
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137 } |
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138 |
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139 private HotSpotLockStack getLockStack() { |
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140 assert lockStack != null; |
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141 return lockStack; |
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142 } |
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143 |
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144 protected void setLockStack(HotSpotLockStack lockStack) { |
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145 assert this.lockStack == null; |
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146 this.lockStack = lockStack; |
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147 } |
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148 |
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149 private Register findPollOnReturnScratchRegister() { |
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150 RegisterConfig regConfig = getProviders().getCodeCache().getRegisterConfig(); |
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151 for (Register r : regConfig.getAllocatableRegisters(Kind.Long)) { |
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152 if (r != regConfig.getReturnRegister(Kind.Long) && r != AMD64.rbp) { |
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153 return r; |
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154 } |
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155 } |
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156 throw GraalInternalError.shouldNotReachHere(); |
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157 } |
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158 |
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159 private Register pollOnReturnScratchRegister; |
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160 |
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161 @Override |
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162 public void emitReturn(Value input) { |
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163 AllocatableValue operand = Value.ILLEGAL; |
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164 if (input != null) { |
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165 operand = resultOperandFor(input.getKind()); |
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166 emitMove(operand, input); |
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167 } |
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168 if (pollOnReturnScratchRegister == null) { |
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169 pollOnReturnScratchRegister = findPollOnReturnScratchRegister(); |
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170 } |
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171 append(new AMD64HotSpotReturnOp(operand, getStub() != null, pollOnReturnScratchRegister)); |
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172 } |
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173 |
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174 @Override |
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175 public boolean needOnlyOopMaps() { |
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176 // Stubs only need oop maps |
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177 return ((AMD64HotSpotLIRGenerationResult) getResult()).getStub() != null; |
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178 } |
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179 |
14859 | 180 @Override |
14850 | 181 public void emitData(AllocatableValue dst, byte[] data) { |
182 append(new LeaDataOp(dst, data)); | |
183 } | |
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184 |
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185 private LIRFrameState currentRuntimeCallInfo; |
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186 |
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187 @Override |
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188 protected void emitForeignCall(ForeignCallLinkage linkage, Value result, Value[] arguments, Value[] temps, LIRFrameState info) { |
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189 currentRuntimeCallInfo = info; |
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190 super.emitForeignCall(linkage, result, arguments, temps, info); |
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191 } |
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192 |
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193 public void emitLeaveCurrentStackFrame(SaveRegistersOp saveRegisterOp) { |
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194 append(new AMD64HotSpotLeaveCurrentStackFrameOp(saveRegisterOp)); |
15104 | 195 } |
196 | |
197 public void emitLeaveDeoptimizedStackFrame(Value frameSize, Value initialInfo) { | |
198 Variable frameSizeVariable = load(frameSize); | |
199 Variable initialInfoVariable = load(initialInfo); | |
200 append(new AMD64HotSpotLeaveDeoptimizedStackFrameOp(frameSizeVariable, initialInfoVariable)); | |
201 } | |
202 | |
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203 public void emitEnterUnpackFramesStackFrame(Value framePc, Value senderSp, Value senderFp, SaveRegistersOp saveRegisterOp) { |
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204 Register threadRegister = getProviders().getRegisters().getThreadRegister(); |
15104 | 205 Variable framePcVariable = load(framePc); |
206 Variable senderSpVariable = load(senderSp); | |
207 Variable senderFpVariable = load(senderFp); | |
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208 append(new AMD64HotSpotEnterUnpackFramesStackFrameOp(threadRegister, config.threadLastJavaSpOffset(), config.threadLastJavaPcOffset(), config.threadLastJavaFpOffset(), framePcVariable, |
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209 senderSpVariable, senderFpVariable, saveRegisterOp)); |
15104 | 210 } |
211 | |
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212 public void emitLeaveUnpackFramesStackFrame(SaveRegistersOp saveRegisterOp) { |
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213 Register threadRegister = getProviders().getRegisters().getThreadRegister(); |
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214 append(new AMD64HotSpotLeaveUnpackFramesStackFrameOp(threadRegister, config.threadLastJavaSpOffset(), config.threadLastJavaPcOffset(), config.threadLastJavaFpOffset(), saveRegisterOp)); |
15104 | 215 } |
216 | |
217 /** | |
218 * @param savedRegisters the registers saved by this operation which may be subject to pruning | |
219 * @param savedRegisterLocations the slots to which the registers are saved | |
220 * @param supportsRemove determines if registers can be pruned | |
221 */ | |
222 protected AMD64SaveRegistersOp emitSaveRegisters(Register[] savedRegisters, StackSlot[] savedRegisterLocations, boolean supportsRemove) { | |
223 AMD64SaveRegistersOp save = new AMD64SaveRegistersOp(savedRegisters, savedRegisterLocations, supportsRemove); | |
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224 append(save); |
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225 return save; |
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226 } |
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227 |
15104 | 228 /** |
229 * Adds a node to the graph that saves all allocatable registers to the stack. | |
230 * | |
231 * @param supportsRemove determines if registers can be pruned | |
232 * @return the register save node | |
233 */ | |
234 private AMD64SaveRegistersOp emitSaveAllRegisters(Register[] savedRegisters, boolean supportsRemove) { | |
235 StackSlot[] savedRegisterLocations = new StackSlot[savedRegisters.length]; | |
236 for (int i = 0; i < savedRegisters.length; i++) { | |
237 PlatformKind kind = target().arch.getLargestStorableKind(savedRegisters[i].getRegisterCategory()); | |
238 assert kind != Kind.Illegal; | |
239 StackSlot spillSlot = getResult().getFrameMap().allocateSpillSlot(kind); | |
240 savedRegisterLocations[i] = spillSlot; | |
241 } | |
242 return emitSaveRegisters(savedRegisters, savedRegisterLocations, supportsRemove); | |
243 } | |
244 | |
245 @Override | |
246 public SaveRegistersOp emitSaveAllRegisters() { | |
247 // We are saving all registers. | |
248 // TODO Save upper half of YMM registers. | |
249 return emitSaveAllRegisters(cpuxmmRegisters, false); | |
250 } | |
251 | |
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252 protected void emitRestoreRegisters(AMD64SaveRegistersOp save) { |
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253 append(new AMD64RestoreRegistersOp(save.getSlots().clone(), save)); |
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254 } |
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255 |
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256 public Stub getStub() { |
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257 return ((AMD64HotSpotLIRGenerationResult) getResult()).getStub(); |
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258 } |
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259 |
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260 @Override |
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261 public Variable emitForeignCall(ForeignCallLinkage linkage, LIRFrameState state, Value... args) { |
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262 HotSpotForeignCallLinkage hotspotLinkage = (HotSpotForeignCallLinkage) linkage; |
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263 boolean destroysRegisters = hotspotLinkage.destroysRegisters(); |
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264 |
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265 AMD64SaveRegistersOp save = null; |
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266 if (destroysRegisters) { |
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267 if (getStub() != null) { |
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268 if (getStub().preservesRegisters()) { |
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269 Register[] savedRegisters = getResult().getFrameMap().registerConfig.getAllocatableRegisters(); |
15104 | 270 save = emitSaveAllRegisters(savedRegisters, true); |
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271 } |
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272 } |
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273 } |
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274 |
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275 Variable result; |
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276 // TODO (je) check if we can remove this |
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277 LIRFrameState deoptInfo = null; |
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278 if (hotspotLinkage.canDeoptimize()) { |
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279 deoptInfo = state; |
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280 assert deoptInfo != null || getStub() != null; |
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281 assert hotspotLinkage.needsJavaFrameAnchor(); |
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282 } |
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283 |
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284 if (hotspotLinkage.needsJavaFrameAnchor()) { |
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285 Register thread = getProviders().getRegisters().getThreadRegister(); |
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286 append(new AMD64HotSpotCRuntimeCallPrologueOp(config.threadLastJavaSpOffset(), thread)); |
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287 result = super.emitForeignCall(hotspotLinkage, deoptInfo, args); |
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288 append(new AMD64HotSpotCRuntimeCallEpilogueOp(config.threadLastJavaSpOffset(), config.threadLastJavaFpOffset(), thread)); |
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289 } else { |
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290 assert deoptInfo == null; |
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291 result = super.emitForeignCall(hotspotLinkage, null, args); |
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292 } |
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293 |
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294 if (destroysRegisters) { |
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295 if (getStub() != null) { |
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296 if (getStub().preservesRegisters()) { |
15104 | 297 AMD64HotSpotLIRGenerationResult generationResult = (AMD64HotSpotLIRGenerationResult) getResult(); |
298 assert !generationResult.getCalleeSaveInfo().containsKey(currentRuntimeCallInfo); | |
299 generationResult.getCalleeSaveInfo().put(currentRuntimeCallInfo, save); | |
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300 emitRestoreRegisters(save); |
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301 } else { |
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302 assert zapRegisters(); |
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303 } |
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304 } |
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305 } |
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306 |
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307 return result; |
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308 } |
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309 |
15104 | 310 public Value emitUncommonTrapCall(Value trapRequest, SaveRegistersOp saveRegisterOp) { |
311 ForeignCallLinkage linkage = getForeignCalls().lookupForeignCall(UNCOMMON_TRAP); | |
312 | |
313 Register thread = getProviders().getRegisters().getThreadRegister(); | |
314 append(new AMD64HotSpotCRuntimeCallPrologueOp(config.threadLastJavaSpOffset(), thread)); | |
315 Variable result = super.emitForeignCall(linkage, null, thread.asValue(Kind.Long), trapRequest); | |
316 append(new AMD64HotSpotCRuntimeCallEpilogueOp(config.threadLastJavaSpOffset(), config.threadLastJavaFpOffset(), thread)); | |
317 | |
318 Map<LIRFrameState, SaveRegistersOp> calleeSaveInfo = ((AMD64HotSpotLIRGenerationResult) getResult()).getCalleeSaveInfo(); | |
319 assert !calleeSaveInfo.containsKey(currentRuntimeCallInfo); | |
320 calleeSaveInfo.put(currentRuntimeCallInfo, saveRegisterOp); | |
321 | |
322 return result; | |
323 } | |
324 | |
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325 public Value emitDeoptimizationFetchUnrollInfoCall(SaveRegistersOp saveRegisterOp) { |
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326 ForeignCallLinkage linkage = getForeignCalls().lookupForeignCall(DeoptimizationFetchUnrollInfoCallNode.FETCH_UNROLL_INFO); |
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327 |
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328 Register thread = getProviders().getRegisters().getThreadRegister(); |
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329 append(new AMD64HotSpotCRuntimeCallPrologueOp(config.threadLastJavaSpOffset(), thread)); |
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330 Variable result = super.emitForeignCall(linkage, null, thread.asValue(Kind.Long)); |
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331 append(new AMD64HotSpotCRuntimeCallEpilogueOp(config.threadLastJavaSpOffset(), config.threadLastJavaFpOffset(), thread)); |
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332 |
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333 Map<LIRFrameState, SaveRegistersOp> calleeSaveInfo = ((AMD64HotSpotLIRGenerationResult) getResult()).getCalleeSaveInfo(); |
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334 assert !calleeSaveInfo.containsKey(currentRuntimeCallInfo); |
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335 calleeSaveInfo.put(currentRuntimeCallInfo, saveRegisterOp); |
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336 |
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337 return result; |
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338 } |
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339 |
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340 protected AMD64ZapRegistersOp emitZapRegisters(Register[] zappedRegisters, Constant[] zapValues) { |
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341 AMD64ZapRegistersOp zap = new AMD64ZapRegistersOp(zappedRegisters, zapValues); |
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342 append(zap); |
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343 return zap; |
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344 } |
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345 |
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346 protected boolean zapRegisters() { |
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347 Register[] zappedRegisters = getResult().getFrameMap().registerConfig.getAllocatableRegisters(); |
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348 Constant[] zapValues = new Constant[zappedRegisters.length]; |
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349 for (int i = 0; i < zappedRegisters.length; i++) { |
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350 PlatformKind kind = target().arch.getLargestStorableKind(zappedRegisters[i].getRegisterCategory()); |
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351 assert kind != Kind.Illegal; |
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352 zapValues[i] = zapValueForKind(kind); |
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353 } |
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354 ((AMD64HotSpotLIRGenerationResult) getResult()).getCalleeSaveInfo().put(currentRuntimeCallInfo, emitZapRegisters(zappedRegisters, zapValues)); |
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355 return true; |
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356 } |
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357 |
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358 @Override |
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359 public void emitTailcall(Value[] args, Value address) { |
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360 append(new AMD64TailcallOp(args, address)); |
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361 } |
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362 |
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363 @Override |
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364 public void emitCCall(long address, CallingConvention nativeCallingConvention, Value[] args, int numberOfFloatingPointArguments) { |
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365 Value[] argLocations = new Value[args.length]; |
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366 getResult().getFrameMap().callsMethod(nativeCallingConvention); |
13839 | 367 // TODO(mg): in case a native function uses floating point varargs, the ABI requires that |
368 // RAX contains the length of the varargs | |
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369 AllocatableValue numberOfFloatingPointArgumentsRegister = AMD64.rax.asValue(); |
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370 emitMove(numberOfFloatingPointArgumentsRegister, Constant.forInt(numberOfFloatingPointArguments)); |
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371 for (int i = 0; i < args.length; i++) { |
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372 Value arg = args[i]; |
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373 AllocatableValue loc = nativeCallingConvention.getArgument(i); |
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374 emitMove(loc, arg); |
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375 argLocations[i] = loc; |
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376 } |
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377 Value ptr = emitMove(Constant.forLong(address)); |
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378 append(new AMD64CCall(nativeCallingConvention.getReturn(), ptr, numberOfFloatingPointArgumentsRegister, argLocations)); |
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379 } |
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380 |
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381 @Override |
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382 public void emitUnwind(Value exception) { |
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383 ForeignCallLinkage linkage = getForeignCalls().lookupForeignCall(HotSpotBackend.UNWIND_EXCEPTION_TO_CALLER); |
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384 CallingConvention outgoingCc = linkage.getOutgoingCallingConvention(); |
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385 assert outgoingCc.getArgumentCount() == 2; |
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386 RegisterValue exceptionParameter = (RegisterValue) outgoingCc.getArgument(0); |
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387 emitMove(exceptionParameter, exception); |
9562
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388 append(new AMD64HotSpotUnwindOp(exceptionParameter)); |
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389 } |
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390 |
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391 private void moveDeoptValuesToThread(Value actionAndReason, Value speculation) { |
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392 moveValueToThread(actionAndReason, runtime().getConfig().pendingDeoptimizationOffset); |
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393 moveValueToThread(speculation, runtime().getConfig().pendingFailedSpeculationOffset); |
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394 } |
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395 |
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396 private void moveValueToThread(Value v, int offset) { |
12429
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397 Kind wordKind = getProviders().getCodeCache().getTarget().wordKind; |
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398 RegisterValue thread = getProviders().getRegisters().getThreadRegister().asValue(wordKind); |
13667
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399 AMD64AddressValue address = new AMD64AddressValue(v.getKind(), thread, offset); |
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400 emitStore(v.getKind(), address, v, null); |
11832
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401 } |
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402 |
8303
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403 @Override |
15301
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Change DeoptimizingNode and Access to LIRFrameState in *LIRGenerator*.
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404 public void emitDeoptimize(Value actionAndReason, Value speculation, LIRFrameState state) { |
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405 moveDeoptValuesToThread(actionAndReason, speculation); |
15301
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406 append(new AMD64DeoptimizeOp(state)); |
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407 } |
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408 |
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409 @Override |
9338
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added support from compiled stubs to be installed as RuntimeStubs and to be able to directly call C/C++ runtime functions (GRAAL-81)
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410 public void emitDeoptimizeCaller(DeoptimizationAction action, DeoptimizationReason reason) { |
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411 moveDeoptValuesToThread(getMetaAccess().encodeDeoptActionAndReason(action, reason, 0), Constant.NULL_OBJECT); |
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412 append(new AMD64HotSpotDeoptimizeCallerOp()); |
9338
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413 } |
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414 |
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added support from compiled stubs to be installed as RuntimeStubs and to be able to directly call C/C++ runtime functions (GRAAL-81)
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415 @Override |
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416 public void beforeRegisterAllocation() { |
13313
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renamed PlaceholderOp to NoOp
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417 super.beforeRegisterAllocation(); |
14921
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418 boolean hasDebugInfo = getResult().getLIR().hasDebugInfo(); |
9247
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419 AllocatableValue savedRbp = saveRbp.finalize(hasDebugInfo); |
27c75e4016db
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420 if (hasDebugInfo) { |
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421 ((AMD64HotSpotLIRGenerationResult) getResult()).setDeoptimizationRescueSlot(getResult().getFrameMap().allocateSpillSlot(Kind.Long)); |
8303
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422 } |
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refactored HotSpotAMD64LIRGenerator into its own file
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423 |
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refactored HotSpotAMD64LIRGenerator into its own file
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diff
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424 for (AMD64HotSpotEpilogueOp op : epilogueOps) { |
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refactored HotSpotAMD64LIRGenerator into its own file
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425 op.savedRbp = savedRbp; |
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refactored HotSpotAMD64LIRGenerator into its own file
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426 } |
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427 } |
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428 |
11453
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429 /** |
13520
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430 * @return a compressed version of the incoming constant |
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431 */ |
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432 protected static Constant compress(Constant c, CompressEncoding encoding) { |
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433 if (c.getKind() == Kind.Long) { |
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434 int compressedValue = (int) (((c.asLong() - encoding.base) >> encoding.shift) & 0xffffffffL); |
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435 if (c instanceof HotSpotMetaspaceConstant) { |
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436 return HotSpotMetaspaceConstant.forMetaspaceObject(Kind.Int, compressedValue, HotSpotMetaspaceConstant.getMetaspaceObject(c)); |
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437 } else { |
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438 return Constant.forIntegerKind(Kind.Int, compressedValue); |
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439 } |
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440 } else { |
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441 throw GraalInternalError.shouldNotReachHere(); |
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442 } |
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443 } |
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444 |
14945
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445 private static Kind getMemoryKind(PlatformKind kind) { |
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446 if (kind == NarrowOopStamp.NarrowOop) { |
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447 return Kind.Int; |
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448 } else { |
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449 return (Kind) kind; |
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450 } |
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451 } |
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452 |
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Make compression and uncompression explicit in the high level graph.
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|
453 private static PlatformKind toStackKind(PlatformKind kind) { |
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454 if (kind instanceof Kind) { |
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455 return ((Kind) kind).getStackKind(); |
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456 } else { |
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457 return kind; |
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|
458 } |
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Make compression and uncompression explicit in the high level graph.
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|
459 } |
b14cb2d9253d
Make compression and uncompression explicit in the high level graph.
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|
460 |
15104 | 461 public void emitPushInterpreterFrame(Value frameSize, Value framePc, Value senderSp, Value initialInfo) { |
462 Variable frameSizeVariable = load(frameSize); | |
463 Variable framePcVariable = load(framePc); | |
464 Variable senderSpVariable = load(senderSp); | |
465 Variable initialInfoVariable = load(initialInfo); | |
466 append(new AMD64HotSpotPushInterpreterFrameOp(frameSizeVariable, framePcVariable, senderSpVariable, initialInfoVariable)); | |
467 } | |
468 | |
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469 @Override |
15301
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parents:
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470 public Variable emitLoad(PlatformKind kind, Value address, LIRFrameState state) { |
9885
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Add Compressed Oops support in LIR
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471 AMD64AddressValue loadAddress = asAddressValue(address); |
14945
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472 Variable result = newVariable(toStackKind(kind)); |
15302
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473 append(new LoadOp(getMemoryKind(kind), result, loadAddress, state)); |
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474 return result; |
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475 } |
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|
476 |
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|
477 @Override |
15301
468b2428c403
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|
478 public void emitStore(PlatformKind kind, Value address, Value inputVal, LIRFrameState state) { |
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479 AMD64AddressValue storeAddress = asAddressValue(address); |
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480 if (isConstant(inputVal)) { |
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|
481 Constant c = asConstant(inputVal); |
15302
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parents:
15301
diff
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482 if (canStoreConstant(c, false)) { |
15909
e43591136d9f
Support for compressed constants.
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parents:
15554
diff
changeset
|
483 append(new HotSpotStoreConstantOp(getMemoryKind(kind), storeAddress, c, state)); |
15302
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484 return; |
9885
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485 } |
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486 } |
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487 Variable input = load(inputVal); |
15302
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488 append(new StoreOp(getMemoryKind(kind), storeAddress, input, state)); |
9885
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489 } |
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|
490 |
14943
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14921
diff
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|
491 @Override |
15058
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Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents:
15024
diff
changeset
|
492 public Value emitCompress(Value pointer, CompressEncoding encoding, boolean nonNull) { |
15023
652564fe42d5
Use CompressionNode for accessing compressed Klass pointers.
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15018
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|
493 if (pointer.getPlatformKind() == Kind.Object) { |
652564fe42d5
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15018
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|
494 Variable result = newVariable(NarrowOopStamp.NarrowOop); |
15058
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Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
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15024
diff
changeset
|
495 append(new AMD64HotSpotMove.CompressPointer(result, asAllocatable(pointer), getProviders().getRegisters().getHeapBaseRegister().asValue(), encoding, nonNull)); |
15023
652564fe42d5
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Roland Schatz <roland.schatz@oracle.com>
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diff
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496 return result; |
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Use CompressionNode for accessing compressed Klass pointers.
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497 } else { |
652564fe42d5
Use CompressionNode for accessing compressed Klass pointers.
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|
498 assert pointer.getPlatformKind() == Kind.Long; |
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499 Variable result = newVariable(Kind.Int); |
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500 AllocatableValue base = Value.ILLEGAL; |
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501 if (encoding.base != 0) { |
15909
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502 base = emitMove(Constant.forLong(encoding.base)); |
15023
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503 } |
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504 append(new AMD64HotSpotMove.CompressPointer(result, asAllocatable(pointer), base, encoding, nonNull)); |
15023
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505 return result; |
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|
506 } |
14943
e5a55d280f24
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|
507 } |
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|
508 |
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|
509 @Override |
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510 public Value emitUncompress(Value pointer, CompressEncoding encoding, boolean nonNull) { |
15023
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511 if (pointer.getPlatformKind() == NarrowOopStamp.NarrowOop) { |
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512 Variable result = newVariable(Kind.Object); |
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513 append(new AMD64HotSpotMove.UncompressPointer(result, asAllocatable(pointer), getProviders().getRegisters().getHeapBaseRegister().asValue(), encoding, nonNull)); |
15023
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514 return result; |
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515 } else { |
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516 assert pointer.getPlatformKind() == Kind.Int; |
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517 Variable result = newVariable(Kind.Long); |
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518 AllocatableValue base = Value.ILLEGAL; |
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519 if (encoding.base != 0) { |
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520 base = emitMove(Constant.forLong(encoding.base)); |
15023
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521 } |
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522 append(new AMD64HotSpotMove.UncompressPointer(result, asAllocatable(pointer), base, encoding, nonNull)); |
15023
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523 return result; |
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|
524 } |
14943
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525 } |
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526 |
14945
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527 @Override |
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528 protected AMD64LIRInstruction createMove(AllocatableValue dst, Value src) { |
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529 if (src instanceof Constant) { |
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530 return new AMD64HotSpotMove.HotSpotLoadConstantOp(dst, (Constant) src); |
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531 } else if (dst.getPlatformKind() == NarrowOopStamp.NarrowOop) { |
14945
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532 if (isRegister(src) || isStackSlot(dst)) { |
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533 return new MoveFromRegOp(Kind.Int, dst, src); |
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534 } else { |
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535 return new MoveToRegOp(Kind.Int, dst, src); |
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536 } |
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537 } else { |
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538 return super.createMove(dst, src); |
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539 } |
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540 } |
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541 |
15024
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542 public Value emitCompareAndSwap(Value address, Value expectedValue, Value newValue, Value trueValue, Value falseValue) { |
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543 PlatformKind kind = newValue.getPlatformKind(); |
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544 assert kind == expectedValue.getPlatformKind(); |
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545 Kind memKind = getMemoryKind(kind); |
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546 |
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547 AMD64AddressValue addressValue = asAddressValue(address); |
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548 RegisterValue raxRes = AMD64.rax.asValue(kind); |
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549 emitMove(raxRes, expectedValue); |
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550 append(new CompareAndSwapOp(memKind, raxRes, addressValue, raxRes, asAllocatable(newValue))); |
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551 |
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552 assert trueValue.getPlatformKind() == falseValue.getPlatformKind(); |
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553 Variable result = newVariable(trueValue.getPlatformKind()); |
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554 append(new CondMoveOp(result, Condition.EQ, asAllocatable(trueValue), falseValue)); |
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555 return result; |
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556 } |
15251 | 557 |
558 public Value emitAtomicReadAndAdd(Value address, Value delta) { | |
559 PlatformKind kind = delta.getPlatformKind(); | |
560 Kind memKind = getMemoryKind(kind); | |
561 Variable result = newVariable(kind); | |
562 AMD64AddressValue addressValue = asAddressValue(address); | |
563 append(new AMD64Move.AtomicReadAndAddOp(memKind, result, addressValue, asAllocatable(delta))); | |
564 return result; | |
565 } | |
566 | |
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567 public static Register asNarrowReg(Value value) { |
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568 if (value.getPlatformKind() != NarrowOopStamp.NarrowOop) { |
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569 throw new InternalError("needed NarrowOop got: " + value.getKind()); |
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570 } else { |
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571 return asRegister(value); |
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572 } |
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573 } |
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574 |
15251 | 575 public Value emitAtomicReadAndWrite(Value address, Value newValue) { |
576 PlatformKind kind = newValue.getPlatformKind(); | |
577 Kind memKind = getMemoryKind(kind); | |
578 Variable result = newVariable(kind); | |
579 AMD64AddressValue addressValue = asAddressValue(address); | |
580 append(new AMD64Move.AtomicReadAndWriteOp(memKind, result, addressValue, asAllocatable(newValue))); | |
581 return result; | |
582 } | |
583 | |
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584 public static class CompareMemoryCompressedOp extends AMD64LIRInstruction { |
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585 @Alive({COMPOSITE}) protected AMD64AddressValue x; |
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586 @Use({CONST, REG}) protected Value y; |
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587 @State protected LIRFrameState state; |
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588 |
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589 public CompareMemoryCompressedOp(AMD64AddressValue x, Value y, LIRFrameState state) { |
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590 assert HotSpotGraalRuntime.runtime().getConfig().useCompressedOops; |
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591 this.x = x; |
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592 this.y = y; |
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593 this.state = state; |
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594 } |
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595 |
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|
596 @Override |
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597 protected void verify() { |
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598 assert y instanceof Constant || y.getPlatformKind() == NarrowOopStamp.NarrowOop; |
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599 } |
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600 |
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601 @Override |
15370
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602 public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) { |
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603 if (state != null) { |
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604 crb.recordImplicitException(masm.position(), state); |
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605 } |
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606 if (y instanceof Constant) { |
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607 Constant constant = (Constant) y; |
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|
608 if (constant.isNull()) { |
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609 masm.cmpl(x.toAddress(), 0); |
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610 } else { |
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611 if (y.getKind() == Kind.Object) { |
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612 crb.recordInlineDataInCode(new OopData(0, HotSpotObjectConstant.asObject(constant), true)); |
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613 } else if (y.getKind() == Kind.Long) { |
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614 crb.recordInlineDataInCode(new MetaspaceData(0, constant.asLong(), HotSpotMetaspaceConstant.getMetaspaceObject(constant), true)); |
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615 } else { |
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616 throw GraalInternalError.shouldNotReachHere(); |
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617 } |
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618 masm.cmpl(x.toAddress(), 0xdeaddead); |
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619 } |
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620 } else { |
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621 masm.cmpl(asNarrowReg(y), x.toAddress()); |
15370
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622 } |
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623 } |
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624 } |
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625 |
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|
626 protected void emitCompareBranchMemoryCompressed(Value left, Value right, Condition cond, LabelRef trueLabel, LabelRef falseLabel, double trueLabelProbability, LIRFrameState state) { |
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627 boolean mirrored = false; |
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628 if (left instanceof AMD64AddressValue) { |
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629 append(new CompareMemoryCompressedOp((AMD64AddressValue) left, right, state)); |
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630 } else { |
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631 assert right instanceof AMD64AddressValue; |
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632 append(new CompareMemoryCompressedOp((AMD64AddressValue) right, left, state)); |
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633 mirrored = true; |
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634 } |
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635 |
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636 Condition finalCondition = mirrored ? cond.mirror() : cond; |
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637 append(new BranchOp(finalCondition, trueLabel, falseLabel, trueLabelProbability)); |
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638 } |
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639 |
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640 public void emitNullCheck(Value address, LIRFrameState state) { |
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641 assert address.getKind() == Kind.Object : address + " - " + address.getKind() + " not an object!"; |
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642 append(new AMD64Move.NullCheckOp(load(address), state)); |
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643 } |
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644 |
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645 @Override |
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646 protected void emitCompareOp(PlatformKind cmpKind, Variable left, Value right) { |
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647 if (right instanceof HotSpotConstant) { |
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648 append(new AMD64HotSpotCompare.HotSpotCompareConstantOp(left, (Constant) right)); |
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649 } else if (cmpKind == NarrowOopStamp.NarrowOop) { |
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650 append(new AMD64HotSpotCompare.HotSpotCompareNarrowOp(left, asAllocatable(right))); |
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651 } else { |
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652 super.emitCompareOp(cmpKind, left, right); |
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653 } |
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654 } |
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655 |
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656 @Override |
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657 protected void emitCompareMemoryConOp(Kind kind, AMD64AddressValue address, Constant value, LIRFrameState state) { |
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658 if (value instanceof HotSpotConstant) { |
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659 append(new AMD64HotSpotCompare.HotSpotCompareMemoryConstantOp(kind, address, value, state)); |
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660 } else { |
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661 super.emitCompareMemoryConOp(kind, address, value, state); |
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662 } |
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663 } |
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664 |
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665 @Override |
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666 public boolean canInlineConstant(Constant c) { |
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667 if (HotSpotCompressedNullConstant.COMPRESSED_NULL.equals(c)) { |
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668 return true; |
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669 } else if (c instanceof HotSpotObjectConstant) { |
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670 return HotSpotObjectConstant.isCompressed(c); |
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671 } else { |
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672 return super.canInlineConstant(c); |
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673 } |
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674 } |
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675 } |