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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotBackend.java @ 21526:1da7aef31a08

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created com.oracle.graal.hotspot.jvmci package and moved classes destined for future JVMCI module into it (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Tue, 19 May 2015 23:16:07 +0200
parents 15a46a918fc1
children 5324104ac4f3
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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;
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24
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25 import static com.oracle.graal.hotspot.stubs.StubUtil.*;
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26
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27 import java.util.*;
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28
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29 import com.oracle.graal.api.code.*;
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30 import com.oracle.graal.api.code.stack.*;
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31 import com.oracle.graal.api.meta.*;
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32 import com.oracle.graal.compiler.common.cfg.*;
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33 import com.oracle.graal.compiler.target.*;
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34 import com.oracle.graal.hotspot.jvmci.*;
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35 import com.oracle.graal.hotspot.meta.*;
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36 import com.oracle.graal.hotspot.nodes.*;
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37 import com.oracle.graal.hotspot.replacements.*;
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38 import com.oracle.graal.hotspot.stubs.*;
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39 import com.oracle.graal.lir.*;
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40 import com.oracle.graal.lir.LIRInstruction.OperandFlag;
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41 import com.oracle.graal.lir.LIRInstruction.OperandMode;
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42 import com.oracle.graal.lir.StandardOp.LabelOp;
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43 import com.oracle.graal.lir.StandardOp.SaveRegistersOp;
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44 import com.oracle.graal.lir.asm.*;
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45 import com.oracle.graal.lir.framemap.*;
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46 import com.oracle.graal.nodes.*;
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47 import com.oracle.graal.options.*;
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48 import com.oracle.graal.phases.tiers.*;
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49 import com.oracle.graal.word.*;
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50
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51 /**
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52 * HotSpot specific backend.
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53 */
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54 public abstract class HotSpotBackend extends Backend {
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55
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56 public static class Options {
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57 // @formatter:off
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58 @Option(help = "Use Graal stubs instead of HotSpot stubs where possible")
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59 public static final OptionValue<Boolean> PreferGraalStubs = new OptionValue<>(false);
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60 @Option(help = "Enables instruction profiling on assembler level. Valid values are a comma separated list of supported instructions." +
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61 " Compare with subclasses of Assembler.InstructionCounter.", type = OptionType.Debug)
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62 public static final OptionValue<String> ASMInstructionProfiling = new OptionValue<>(null);
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63 // @formatter:on
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64 }
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65
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66 /**
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67 * Descriptor for {@link ExceptionHandlerStub}. This stub is called by the
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68 * {@linkplain HotSpotVMConfig#MARKID_EXCEPTION_HANDLER_ENTRY exception handler} in a compiled
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69 * method.
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70 */
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71 public static final ForeignCallDescriptor EXCEPTION_HANDLER = new ForeignCallDescriptor("exceptionHandler", void.class, Object.class, Word.class);
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72
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73 /**
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74 * Descriptor for SharedRuntime::get_ic_miss_stub().
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75 */
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76 public static final ForeignCallDescriptor IC_MISS_HANDLER = new ForeignCallDescriptor("icMissHandler", void.class);
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77
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78 /**
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79 * Descriptor for {@link UnwindExceptionToCallerStub}. This stub is called by code generated
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80 * from {@link UnwindNode}.
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81 */
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82 public static final ForeignCallDescriptor UNWIND_EXCEPTION_TO_CALLER = new ForeignCallDescriptor("unwindExceptionToCaller", void.class, Object.class, Word.class);
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83
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84 /**
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85 * Descriptor for the arguments when unwinding to an exception handler in a caller.
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86 */
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87 public static final ForeignCallDescriptor EXCEPTION_HANDLER_IN_CALLER = new ForeignCallDescriptor("exceptionHandlerInCaller", void.class, Object.class, Word.class);
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88
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89 private final HotSpotGraalRuntimeProvider runtime;
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90
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91 /**
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92 * @see DeoptimizationFetchUnrollInfoCallNode
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93 */
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94 public static final ForeignCallDescriptor FETCH_UNROLL_INFO = new ForeignCallDescriptor("fetchUnrollInfo", Word.class, long.class);
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95
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96 /**
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97 * @see DeoptimizationStub#unpackFrames(ForeignCallDescriptor, Word, int)
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98 */
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99 public static final ForeignCallDescriptor UNPACK_FRAMES = newDescriptor(DeoptimizationStub.class, "unpackFrames", int.class, Word.class, int.class);
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100
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101 /**
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102 * @see AESCryptSubstitutions#encryptBlockStub(ForeignCallDescriptor, Word, Word, Word)
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103 */
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104 public static final ForeignCallDescriptor ENCRYPT_BLOCK = new ForeignCallDescriptor("encrypt_block", void.class, Word.class, Word.class, Word.class);
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105
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106 /**
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107 * @see AESCryptSubstitutions#decryptBlockStub(ForeignCallDescriptor, Word, Word, Word)
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108 */
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109 public static final ForeignCallDescriptor DECRYPT_BLOCK = new ForeignCallDescriptor("decrypt_block", void.class, Word.class, Word.class, Word.class);
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110
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111 /**
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112 * @see CipherBlockChainingSubstitutions#crypt
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113 */
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114 public static final ForeignCallDescriptor ENCRYPT = new ForeignCallDescriptor("encrypt", void.class, Word.class, Word.class, Word.class, Word.class, int.class);
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115
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116 /**
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117 * @see CipherBlockChainingSubstitutions#crypt
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118 */
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119 public static final ForeignCallDescriptor DECRYPT = new ForeignCallDescriptor("decrypt", void.class, Word.class, Word.class, Word.class, Word.class, int.class);
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120
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121 /**
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122 * @see VMErrorNode
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123 */
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124 public static final ForeignCallDescriptor VM_ERROR = new ForeignCallDescriptor("vm_error", void.class, Object.class, Object.class, long.class);
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125
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126 /**
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127 * New multi array stub call.
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128 */
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129 public static final ForeignCallDescriptor NEW_MULTI_ARRAY = new ForeignCallDescriptor("new_multi_array", Object.class, Word.class, int.class, Word.class);
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130
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131 /**
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132 * New array stub.
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133 */
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134 public static final ForeignCallDescriptor NEW_ARRAY = new ForeignCallDescriptor("new_array", Object.class, Word.class, int.class);
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135
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136 /**
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137 * New insstance stub.
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138 */
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139 public static final ForeignCallDescriptor NEW_INSTANCE = new ForeignCallDescriptor("new_instance", Object.class, Word.class);
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140
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141 /**
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142 * @see UncommonTrapCallNode
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143 */
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144 public static final ForeignCallDescriptor UNCOMMON_TRAP = new ForeignCallDescriptor("uncommonTrap", Word.class, Word.class, int.class);
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145
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146 public HotSpotBackend(HotSpotGraalRuntimeProvider runtime, HotSpotProviders providers) {
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147 super(providers);
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148 this.runtime = runtime;
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149 }
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150
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151 public HotSpotGraalRuntimeProvider getRuntime() {
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152 return runtime;
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153 }
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154
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155 /**
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156 * Performs any remaining initialization that was deferred until the {@linkplain #getRuntime()
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157 * runtime} object was initialized and this backend was registered with it.
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158 */
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159 public void completeInitialization() {
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160 }
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161
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162 /**
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163 * Finds all the registers that are defined by some given LIR.
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164 *
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165 * @param lir the LIR to examine
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166 * @return the registers that are defined by or used as temps for any instruction in {@code lir}
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167 */
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168 protected static Set<Register> gatherDefinedRegisters(LIR lir) {
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169 final Set<Register> definedRegisters = new HashSet<>();
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170 ValueConsumer defConsumer = new ValueConsumer() {
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171
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172 @Override
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173 public void visitValue(Value value, OperandMode mode, EnumSet<OperandFlag> flags) {
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174 if (ValueUtil.isRegister(value)) {
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175 final Register reg = ValueUtil.asRegister(value);
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176 definedRegisters.add(reg);
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177 }
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178 }
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179 };
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180 for (AbstractBlockBase<?> block : lir.codeEmittingOrder()) {
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181 for (LIRInstruction op : lir.getLIRforBlock(block)) {
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182 if (op instanceof LabelOp) {
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183 // Don't consider this as a definition
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184 } else {
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185 op.visitEachTemp(defConsumer);
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186 op.visitEachOutput(defConsumer);
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187 }
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188 }
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189 }
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190 return definedRegisters;
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191 }
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192
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193 /**
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194 * Updates a given stub with respect to the registers it destroys.
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195 * <p>
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196 * Any entry in {@code calleeSaveInfo} that {@linkplain SaveRegistersOp#supportsRemove()
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197 * supports} pruning will have {@code destroyedRegisters}
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198 * {@linkplain SaveRegistersOp#remove(Set) removed} as these registers are declared as
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199 * temporaries in the stub's {@linkplain ForeignCallLinkage linkage} (and thus will be saved by
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200 * the stub's caller).
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201 *
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202 * @param stub the stub to update
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203 * @param destroyedRegisters the registers destroyed by the stub
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204 * @param calleeSaveInfo a map from debug infos to the operations that provide their
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205 * {@linkplain RegisterSaveLayout callee-save information}
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206 * @param frameMap used to {@linkplain FrameMap#offsetForStackSlot(StackSlot) convert} a virtual
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207 * slot to a frame slot index
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208 */
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209 protected void updateStub(Stub stub, Set<Register> destroyedRegisters, Map<LIRFrameState, SaveRegistersOp> calleeSaveInfo, FrameMap frameMap) {
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210 stub.initDestroyedRegisters(destroyedRegisters);
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211
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212 for (Map.Entry<LIRFrameState, SaveRegistersOp> e : calleeSaveInfo.entrySet()) {
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213 SaveRegistersOp save = e.getValue();
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214 if (save.supportsRemove()) {
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215 save.remove(destroyedRegisters);
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216 }
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217 DebugInfo info = e.getKey() == null ? null : e.getKey().debugInfo();
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218 if (info != null) {
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219 info.setCalleeSaveInfo(save.getMap(frameMap));
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220 }
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221 }
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222 }
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223
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224 @Override
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225 public StackIntrospection getStackIntrospection() {
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226 return runtime;
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227 }
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228
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229 @Override
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230 public HotSpotProviders getProviders() {
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231 return (HotSpotProviders) super.getProviders();
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232 }
12488
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233
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234 @Override
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235 public SuitesProvider getSuites() {
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236 return getProviders().getSuites();
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237 }
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238
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239 @Override
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parents: 12431
diff changeset
240 public DisassemblerProvider getDisassembler() {
1a4dc163cd0a abstracted HotSpotGraalRuntime as a RuntimeProvider which removes the recent selector addition to the Graal capabilities API and also makes Truffle independent of the graal.hotspot project (GRAAL-363)
Doug Simon <doug.simon@oracle.com>
parents: 12431
diff changeset
241 return getProviders().getDisassembler();
1a4dc163cd0a abstracted HotSpotGraalRuntime as a RuntimeProvider which removes the recent selector addition to the Graal capabilities API and also makes Truffle independent of the graal.hotspot project (GRAAL-363)
Doug Simon <doug.simon@oracle.com>
parents: 12431
diff changeset
242 }
20003
422e60a2f4b9 Implement dynamic instruction counters on assembly level
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 19857
diff changeset
243
422e60a2f4b9 Implement dynamic instruction counters on assembly level
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 19857
diff changeset
244 protected void profileInstructions(LIR lir, CompilationResultBuilder crb) {
422e60a2f4b9 Implement dynamic instruction counters on assembly level
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 19857
diff changeset
245 if (HotSpotBackend.Options.ASMInstructionProfiling.getValue() != null) {
422e60a2f4b9 Implement dynamic instruction counters on assembly level
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 19857
diff changeset
246 HotSpotInstructionProfiling.countInstructions(lir, crb.asm);
422e60a2f4b9 Implement dynamic instruction counters on assembly level
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 19857
diff changeset
247 }
422e60a2f4b9 Implement dynamic instruction counters on assembly level
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 19857
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248 }
6479
e8be2bb3760e introduced platform independent HotSpotBackend to manage stub linkage information
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
249 }