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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotLIRGenerator.java @ 18594:1f379e2a623f

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checkcastArraycopy: sign extend super_check_offset
author Bernhard Urban <bernhard.urban@jku.at>
date Tue, 02 Dec 2014 19:27:50 +0100
parents b856446ff7e0
children aa4f2e3629ca
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1f0edd29cc66 defined new HotSpot specific interface extending the contract of a LIR generator
Doug Simon <doug.simon@oracle.com>
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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 com.oracle.graal.api.code.*;
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26 import com.oracle.graal.api.meta.*;
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27 import com.oracle.graal.compiler.common.*;
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28 import com.oracle.graal.hotspot.HotSpotVMConfig.CompressEncoding;
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29 import com.oracle.graal.hotspot.meta.*;
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30 import com.oracle.graal.hotspot.nodes.*;
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31 import com.oracle.graal.lir.StandardOp.SaveRegistersOp;
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32 import com.oracle.graal.lir.gen.*;
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33
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34 /**
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35 * This interface defines the contract a HotSpot backend LIR generator needs to fulfill in addition
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36 * to abstract methods from {@link LIRGenerator} and {@link LIRGeneratorTool}.
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37 */
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38 public interface HotSpotLIRGenerator extends LIRGeneratorTool {
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39
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40 /**
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41 * Emits an operation to make a tail call.
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42 *
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43 * @param args the arguments of the call
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44 * @param address the target address of the call
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45 */
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46 void emitTailcall(Value[] args, Value address);
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47
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48 void emitDeoptimizeCaller(DeoptimizationAction action, DeoptimizationReason reason);
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49
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50 /**
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51 * Emits code for a {@link SaveAllRegistersNode}.
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52 *
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53 * @return a {@link SaveRegistersOp} operation
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54 */
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55 SaveRegistersOp emitSaveAllRegisters();
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56
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57 /**
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58 * Emits code for a {@link LeaveCurrentStackFrameNode}.
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59 *
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60 * @param saveRegisterOp saved registers
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61 */
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62 default void emitLeaveCurrentStackFrame(SaveRegistersOp saveRegisterOp) {
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63 throw GraalInternalError.unimplemented();
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64 }
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65
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66 /**
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67 * Emits code for a {@link LeaveDeoptimizedStackFrameNode}.
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68 *
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69 * @param frameSize
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70 * @param initialInfo
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71 */
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72 default void emitLeaveDeoptimizedStackFrame(Value frameSize, Value initialInfo) {
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73 throw GraalInternalError.unimplemented();
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74 }
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75
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76 /**
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77 * Emits code for a {@link EnterUnpackFramesStackFrameNode}.
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78 *
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79 * @param framePc
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80 * @param senderSp
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81 * @param senderFp
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82 * @param saveRegisterOp
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83 */
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84 default void emitEnterUnpackFramesStackFrame(Value framePc, Value senderSp, Value senderFp, SaveRegistersOp saveRegisterOp) {
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85 throw GraalInternalError.unimplemented();
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86 }
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87
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88 /**
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89 * Emits code for a {@link LeaveUnpackFramesStackFrameNode}.
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90 *
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91 * @param saveRegisterOp
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92 */
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93 default void emitLeaveUnpackFramesStackFrame(SaveRegistersOp saveRegisterOp) {
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94 throw GraalInternalError.unimplemented();
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95 }
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96
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97 /**
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98 * Emits code for a {@link PushInterpreterFrameNode}.
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99 *
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100 * @param frameSize
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101 * @param framePc
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102 * @param senderSp
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103 * @param initialInfo
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104 */
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105 default void emitPushInterpreterFrame(Value frameSize, Value framePc, Value senderSp, Value initialInfo) {
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106 throw GraalInternalError.unimplemented();
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107 }
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108
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109 /**
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110 * Emits code for a {@link UncommonTrapCallNode}.
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111 *
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112 * @param trapRequest
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113 * @param saveRegisterOp
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114 * @return a {@code Deoptimization::UnrollBlock} pointer
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115 */
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116 default Value emitUncommonTrapCall(Value trapRequest, SaveRegistersOp saveRegisterOp) {
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117 throw GraalInternalError.unimplemented();
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118 }
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119
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120 /**
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121 * Emits code for a {@link DeoptimizationFetchUnrollInfoCallNode}.
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122 *
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123 * @param saveRegisterOp
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124 * @return a {@code Deoptimization::UnrollBlock} pointer
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125 */
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126 default Value emitDeoptimizationFetchUnrollInfoCall(SaveRegistersOp saveRegisterOp) {
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127 throw GraalInternalError.unimplemented();
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128 }
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129
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130 /**
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131 * Gets a stack slot for a lock at a given lock nesting depth.
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132 */
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133 StackSlotValue getLockSlot(int lockDepth);
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134
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135 HotSpotProviders getProviders();
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136
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137 Value emitCompress(Value pointer, CompressEncoding encoding, boolean nonNull);
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138
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139 Value emitUncompress(Value pointer, CompressEncoding encoding, boolean nonNull);
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140 }