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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotMethodData.java @ 6950:41938af2b3d8

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modifications to support non-perm-gen changes in HotSpot fixed issue when intrinsifying Class.getModifiers() for primitive classes
author Doug Simon <doug.simon@oracle.com>
date Wed, 14 Nov 2012 11:28:02 +0100
parents 2463eb24b644
children dd81042f4eb1
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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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8872bc0eebdf Renaming hotspot.ri => hotspot.meta.
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23 package com.oracle.graal.hotspot.meta;
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24
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25 import static com.oracle.graal.graph.FieldIntrospection.*;
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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.meta.*;
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30 import com.oracle.graal.api.meta.JavaTypeProfile.ProfiledType;
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31 import com.oracle.graal.api.meta.ProfilingInfo.ExceptionSeen;
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32 import com.oracle.graal.hotspot.*;
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33 import com.oracle.graal.phases.*;
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34
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35 /**
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36 * Access to a HotSpot MethodData structure (defined in methodData.hpp).
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37 */
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38 public final class HotSpotMethodData extends CompilerObject {
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39
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40 private static final long serialVersionUID = -8873133496591225071L;
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41
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42 private static final HotSpotVMConfig config = HotSpotGraalRuntime.getInstance().getConfig();
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43 private static final HotSpotMethodDataAccessor NO_DATA_NO_EXCEPTION_ACCESSOR = new NoMethodData(ExceptionSeen.FALSE);
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44 private static final HotSpotMethodDataAccessor NO_DATA_EXCEPTION_POSSIBLY_NOT_RECORDED_ACCESSOR = new NoMethodData(ExceptionSeen.NOT_SUPPORTED);
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45
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46 // sorted by tag
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47 private static final HotSpotMethodDataAccessor[] PROFILE_DATA_ACCESSORS = {
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48 null, new BitData(), new CounterData(), new JumpData(),
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49 new TypeCheckData(), new VirtualCallData(), new RetData(),
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50 new BranchData(), new MultiBranchData(), new ArgInfoData()
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51 };
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52
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53 /**
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54 * Reference to the C++ MethodData object.
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55 */
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56 private final long metaspaceMethodData;
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57
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58 private int normalDataSize;
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59 private int extraDataSize;
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60
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61 HotSpotMethodData(long metaspaceMethodData) {
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62 this.metaspaceMethodData = metaspaceMethodData;
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63 HotSpotGraalRuntime.getInstance().getCompilerToVM().initializeMethodData(metaspaceMethodData, this);
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64 }
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65
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66 public boolean hasNormalData() {
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67 return normalDataSize > 0;
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68 }
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69
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70 public boolean hasExtraData() {
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71 return extraDataSize > 0;
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72 }
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73
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74 public int getExtraDataBeginOffset() {
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75 return normalDataSize;
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76 }
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77
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78 public boolean isWithin(int position) {
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79 return position >= 0 && position < normalDataSize + extraDataSize;
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80 }
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81
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82 public int getDeoptimizationCount(DeoptimizationReason reason) {
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83 int reasonIndex = HotSpotGraalRuntime.getInstance().getRuntime().convertDeoptReason(reason);
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84 return unsafe.getByte(null, metaspaceMethodData + config.methodDataOopTrapHistoryOffset + reasonIndex) & 0xFF;
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85 }
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86
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87 public HotSpotMethodDataAccessor getNormalData(int position) {
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88 if (position >= normalDataSize) {
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89 return null;
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90 }
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91
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92 HotSpotMethodDataAccessor result = getData(position);
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93 assert result != null : "NO_DATA tag is not allowed";
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94 return result;
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95 }
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96
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97 public HotSpotMethodDataAccessor getExtraData(int position) {
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98 if (position >= normalDataSize + extraDataSize) {
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99 return null;
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100 }
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101 return getData(position);
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102 }
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103
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104 public static HotSpotMethodDataAccessor getNoDataAccessor(boolean exceptionPossiblyNotRecorded) {
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105 if (exceptionPossiblyNotRecorded) {
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106 return NO_DATA_EXCEPTION_POSSIBLY_NOT_RECORDED_ACCESSOR;
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107 } else {
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108 return NO_DATA_NO_EXCEPTION_ACCESSOR;
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109 }
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110 }
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111
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112 private HotSpotMethodDataAccessor getData(int position) {
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113 assert position >= 0 : "out of bounds";
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114 int tag = AbstractMethodData.readTag(this, position);
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115 assert tag >= 0 && tag < PROFILE_DATA_ACCESSORS.length : "illegal tag";
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116 return PROFILE_DATA_ACCESSORS[tag];
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117 }
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118
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119 private int readUnsignedByte(int position, int offsetInBytes) {
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120 long fullOffsetInBytes = computeFullOffset(position, offsetInBytes);
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121 return unsafe.getByte(null, metaspaceMethodData + fullOffsetInBytes) & 0xFF;
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122 }
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123
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124 private int readUnsignedShort(int position, int offsetInBytes) {
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125 long fullOffsetInBytes = computeFullOffset(position, offsetInBytes);
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126 return unsafe.getShort(null, metaspaceMethodData + fullOffsetInBytes) & 0xFFFF;
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127 }
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128
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129 private long readUnsignedInt(int position, int offsetInBytes) {
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130 long fullOffsetInBytes = computeFullOffset(position, offsetInBytes);
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131 return unsafe.getInt(null, metaspaceMethodData + fullOffsetInBytes) & 0xFFFFFFFFL;
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132 }
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133
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134 private int readUnsignedIntAsSignedInt(int position, int offsetInBytes) {
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135 long value = readUnsignedInt(position, offsetInBytes);
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136 return truncateLongToInt(value);
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137 }
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138
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139 private int readInt(int position, int offsetInBytes) {
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140 long fullOffsetInBytes = computeFullOffset(position, offsetInBytes);
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141 return unsafe.getInt(null, metaspaceMethodData + fullOffsetInBytes);
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142 }
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143
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144 private long readLong(int position, int offsetInBytes) {
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145 long fullOffsetInBytes = computeFullOffset(position, offsetInBytes);
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146 return unsafe.getLong(null, metaspaceMethodData + fullOffsetInBytes);
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147 }
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148
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149 private static int truncateLongToInt(long value) {
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150 return value > Integer.MAX_VALUE ? Integer.MAX_VALUE : (int) value;
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151 }
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152
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153 private static int computeFullOffset(int position, int offsetInBytes) {
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154 return config.methodDataOopDataOffset + position + offsetInBytes;
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155 }
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156
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157 private static int cellIndexToOffset(int cells) {
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158 return config.dataLayoutHeaderSize + cellsToBytes(cells);
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159 }
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160
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161 private static int cellsToBytes(int cells) {
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162 return cells * config.dataLayoutCellSize;
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163 }
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164
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165 private abstract static class AbstractMethodData implements HotSpotMethodDataAccessor {
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166 private static final int EXCEPTIONS_MASK = 0x80;
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167
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168 private final int tag;
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169 private final int staticSize;
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170
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171 protected AbstractMethodData(int tag, int staticSize) {
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172 this.tag = tag;
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173 this.staticSize = staticSize;
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174 }
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175
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176 public int getTag() {
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177 return tag;
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178 }
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179
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180 public static int readTag(HotSpotMethodData data, int position) {
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181 return data.readUnsignedByte(position, config.dataLayoutTagOffset);
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182 }
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183
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184 @Override
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185 public int getBCI(HotSpotMethodData data, int position) {
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186 return data.readUnsignedShort(position, config.dataLayoutBCIOffset);
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187 }
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188
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189 @Override
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190 public int getSize(HotSpotMethodData data, int position) {
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191 return staticSize + getDynamicSize(data, position);
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192 }
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193
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194 @Override
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195 public ExceptionSeen getExceptionSeen(HotSpotMethodData data, int position) {
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196 return ExceptionSeen.get((getFlags(data, position) & EXCEPTIONS_MASK) != 0);
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197 }
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198
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199 @Override
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200 public JavaTypeProfile getTypeProfile(HotSpotMethodData data, int position) {
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201 return null;
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202 }
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203
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204 @Override
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205 public double getBranchTakenProbability(HotSpotMethodData data, int position) {
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206 return -1;
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207 }
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208
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209 @Override
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210 public double[] getSwitchProbabilities(HotSpotMethodData data, int position) {
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211 return null;
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212 }
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213
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214 @Override
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215 public int getExecutionCount(HotSpotMethodData data, int position) {
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216 return -1;
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217 }
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218
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219 protected int getFlags(HotSpotMethodData data, int position) {
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220 return data.readUnsignedByte(position, config.dataLayoutFlagsOffset);
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221 }
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222
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diff changeset
223 protected int getDynamicSize(@SuppressWarnings("unused") HotSpotMethodData data, @SuppressWarnings("unused") int position) {
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224 return 0;
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225 }
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226 }
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227
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228 private static class NoMethodData extends AbstractMethodData {
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229 private static final int NO_DATA_TAG = 0;
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230 private static final int NO_DATA_SIZE = cellIndexToOffset(0);
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231
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232 private final ExceptionSeen exceptionSeen;
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233
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234 protected NoMethodData(ExceptionSeen exceptionSeen) {
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diff changeset
235 super(NO_DATA_TAG, NO_DATA_SIZE);
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236 this.exceptionSeen = exceptionSeen;
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237 }
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238
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239 @Override
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240 public int getBCI(HotSpotMethodData data, int position) {
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diff changeset
241 return -1;
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diff changeset
242 }
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diff changeset
243
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244
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245 @Override
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246 public ExceptionSeen getExceptionSeen(HotSpotMethodData data, int position) {
4527
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247 return exceptionSeen;
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248 }
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249 }
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250
4447
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diff changeset
251 private static class BitData extends AbstractMethodData {
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252 private static final int BIT_DATA_TAG = 1;
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253 private static final int BIT_DATA_SIZE = cellIndexToOffset(0);
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diff changeset
254 private static final int BIT_DATA_NULL_SEEN_FLAG = 0x01;
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255
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256 private BitData() {
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diff changeset
257 super(BIT_DATA_TAG, BIT_DATA_SIZE);
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258 }
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259
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diff changeset
260 protected BitData(int tag, int staticSize) {
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diff changeset
261 super(tag, staticSize);
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262 }
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263
4452
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diff changeset
264 @SuppressWarnings("unused")
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265 public boolean getNullSeen(HotSpotMethodData data, int position) {
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diff changeset
266 return (getFlags(data, position) & BIT_DATA_NULL_SEEN_FLAG) != 0;
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267 }
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268 }
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269
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270 private static class CounterData extends BitData {
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271 private static final int COUNTER_DATA_TAG = 2;
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272 private static final int COUNTER_DATA_SIZE = cellIndexToOffset(1);
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273 private static final int COUNTER_DATA_COUNT_OFFSET = cellIndexToOffset(0);
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274
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275 public CounterData() {
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276 super(COUNTER_DATA_TAG, COUNTER_DATA_SIZE);
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277 }
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278
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279 protected CounterData(int tag, int staticSize) {
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280 super(tag, staticSize);
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281 }
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282
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283 @Override
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284 public int getExecutionCount(HotSpotMethodData data, int position) {
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285 return getCounterValue(data, position);
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286 }
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287
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288 protected int getCounterValue(HotSpotMethodData data, int position) {
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diff changeset
289 return data.readUnsignedIntAsSignedInt(position, COUNTER_DATA_COUNT_OFFSET);
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290 }
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parents:
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291 }
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292
4447
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diff changeset
293 private static class JumpData extends AbstractMethodData {
4439
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294 private static final int JUMP_DATA_TAG = 3;
4444
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diff changeset
295 private static final int JUMP_DATA_SIZE = cellIndexToOffset(2);
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diff changeset
296 protected static final int TAKEN_COUNT_OFFSET = cellIndexToOffset(0);
7d9469b37f1f bugfixes
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diff changeset
297 protected static final int TAKEN_DISPLACEMENT_OFFSET = cellIndexToOffset(1);
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298
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299 public JumpData() {
4444
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parents: 4441
diff changeset
300 super(JUMP_DATA_TAG, JUMP_DATA_SIZE);
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301 }
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302
4444
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parents: 4441
diff changeset
303 protected JumpData(int tag, int staticSize) {
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parents: 4441
diff changeset
304 super(tag, staticSize);
4439
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305 }
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306
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diff changeset
307 @Override
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diff changeset
308 public double getBranchTakenProbability(HotSpotMethodData data, int position) {
5039
f3d2447db2d9 added detection for endless recompilation
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parents: 4564
diff changeset
309 return getExecutionCount(data, position) != 0 ? 1 : 0;
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310 }
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311
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diff changeset
312 @Override
4440
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diff changeset
313 public int getExecutionCount(HotSpotMethodData data, int position) {
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diff changeset
314 return data.readUnsignedIntAsSignedInt(position, TAKEN_COUNT_OFFSET);
4439
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315 }
4452
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parents: 4448
diff changeset
316
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diff changeset
317 @SuppressWarnings("unused")
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diff changeset
318 public int getTakenDisplacement(HotSpotMethodData data, int position) {
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parents: 4448
diff changeset
319 return data.readInt(position, TAKEN_DISPLACEMENT_OFFSET);
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diff changeset
320 }
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321 }
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322
4456
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parents: 4455
diff changeset
323 private abstract static class AbstractTypeData extends CounterData {
4444
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diff changeset
324 private static final int RECEIVER_TYPE_DATA_ROW_SIZE = cellsToBytes(2);
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diff changeset
325 private static final int RECEIVER_TYPE_DATA_SIZE = cellIndexToOffset(1) + RECEIVER_TYPE_DATA_ROW_SIZE * config.typeProfileWidth;
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diff changeset
326 private static final int RECEIVER_TYPE_DATA_FIRST_RECEIVER_OFFSET = cellIndexToOffset(1);
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diff changeset
327 private static final int RECEIVER_TYPE_DATA_FIRST_COUNT_OFFSET = cellIndexToOffset(2);
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328
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diff changeset
329 protected AbstractTypeData(int tag) {
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diff changeset
330 super(tag, RECEIVER_TYPE_DATA_SIZE);
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331 }
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332
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parents:
diff changeset
333 @Override
5541
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5534
diff changeset
334 public JavaTypeProfile getTypeProfile(HotSpotMethodData data, int position) {
4439
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diff changeset
335 int typeProfileWidth = config.typeProfileWidth;
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336
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5534
diff changeset
337 ResolvedJavaType[] types = new ResolvedJavaType[typeProfileWidth];
5335
439ca5ecc7dc types profiles are now sorted in descending order of each profiled type's probability
Doug Simon <doug.simon@oracle.com>
parents: 5321
diff changeset
338 long[] counts = new long[typeProfileWidth];
4441
4e3aaf14cbc6 fixed graal to hotspot
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diff changeset
339 long totalCount = 0;
4e3aaf14cbc6 fixed graal to hotspot
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diff changeset
340 int entries = 0;
4439
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341
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diff changeset
342 for (int i = 0; i < typeProfileWidth; i++) {
6950
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6539
diff changeset
343 long receiverKlass = data.readLong(position, getReceiverOffset(i));
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
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parents: 6539
diff changeset
344 if (receiverKlass != 0) {
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
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parents: 6539
diff changeset
345 types[entries] = HotSpotResolvedJavaType.fromMetaspaceKlass(receiverKlass);
4441
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diff changeset
346
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diff changeset
347 long count = data.readUnsignedInt(position, getCountOffset(i));
4447
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parents: 4446
diff changeset
348 totalCount += count;
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
349 counts[entries] = count;
4441
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diff changeset
350
4447
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diff changeset
351 entries++;
4441
4e3aaf14cbc6 fixed graal to hotspot
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diff changeset
352 }
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353 }
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354
4456
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diff changeset
355 totalCount += getTypesNotRecordedExecutionCount(data, position);
5775
2c088af17e59 Removed left over Ri* prefixed identifiers
Doug Simon <doug.simon@oracle.com>
parents: 5548
diff changeset
356 return createTypeProfile(types, counts, totalCount, entries);
4447
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parents: 4446
diff changeset
357 }
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
358
4526
0e1f15ec0e94 fixed profiling of typechecks
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parents: 4476
diff changeset
359 protected long getTypesNotRecordedExecutionCount(HotSpotMethodData data, int position) {
0e1f15ec0e94 fixed profiling of typechecks
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parents: 4476
diff changeset
360 // checkcast/aastore/instanceof profiling in the HotSpot template-based interpreter was adjusted so that the counter
0e1f15ec0e94 fixed profiling of typechecks
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parents: 4476
diff changeset
361 // is incremented to indicate the polymorphic case instead of decrementing it for failed type checks
0e1f15ec0e94 fixed profiling of typechecks
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diff changeset
362 return getCounterValue(data, position);
0e1f15ec0e94 fixed profiling of typechecks
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diff changeset
363 }
4456
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diff changeset
364
5775
2c088af17e59 Removed left over Ri* prefixed identifiers
Doug Simon <doug.simon@oracle.com>
parents: 5548
diff changeset
365 private static JavaTypeProfile createTypeProfile(ResolvedJavaType[] types, long[] counts, long totalCount, int entries) {
4551
a7a16015e47f changed profiling maturity so that profiling information is used more likely
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4527
diff changeset
366 if (entries <= 0 || totalCount < GraalOptions.MatureExecutionsTypeProfile) {
4441
4e3aaf14cbc6 fixed graal to hotspot
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parents: 4440
diff changeset
367 return null;
4439
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diff changeset
368 }
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diff changeset
369
5335
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diff changeset
370 ProfiledType[] ptypes = new ProfiledType[entries];
4456
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parents: 4455
diff changeset
371 double totalProbability = 0.0;
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
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diff changeset
372 for (int i = 0; i < entries; i++) {
5335
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Doug Simon <doug.simon@oracle.com>
parents: 5321
diff changeset
373 double p = counts[i];
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diff changeset
374 p = p / totalCount;
4456
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diff changeset
375 totalProbability += p;
5335
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Doug Simon <doug.simon@oracle.com>
parents: 5321
diff changeset
376 ptypes[i] = new ProfiledType(types[i], p);
4441
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diff changeset
377 }
4456
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diff changeset
378
5335
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Doug Simon <doug.simon@oracle.com>
parents: 5321
diff changeset
379 Arrays.sort(ptypes);
439ca5ecc7dc types profiles are now sorted in descending order of each profiled type's probability
Doug Simon <doug.simon@oracle.com>
parents: 5321
diff changeset
380
4456
f4c82dd4619e inlining bugfixes and cleanup
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4455
diff changeset
381 double notRecordedTypeProbability = entries < config.typeProfileWidth ? 0.0 : Math.min(1.0, Math.max(0.0, 1.0 - totalProbability));
5541
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5534
diff changeset
382 return new JavaTypeProfile(notRecordedTypeProbability, ptypes);
4439
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parents:
diff changeset
383 }
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parents:
diff changeset
384
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parents:
diff changeset
385 private static int getReceiverOffset(int row) {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
386 return RECEIVER_TYPE_DATA_FIRST_RECEIVER_OFFSET + row * RECEIVER_TYPE_DATA_ROW_SIZE;
4439
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parents:
diff changeset
387 }
f7251c729b31 profiling info first try
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parents:
diff changeset
388
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parents:
diff changeset
389 protected static int getCountOffset(int row) {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
390 return RECEIVER_TYPE_DATA_FIRST_COUNT_OFFSET + row * RECEIVER_TYPE_DATA_ROW_SIZE;
4439
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parents:
diff changeset
391 }
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parents:
diff changeset
392 }
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Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
393
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parents:
diff changeset
394 private static class TypeCheckData extends AbstractTypeData {
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parents:
diff changeset
395 private static final int RECEIVER_TYPE_DATA_TAG = 4;
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parents:
diff changeset
396
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parents:
diff changeset
397 public TypeCheckData() {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
398 super(RECEIVER_TYPE_DATA_TAG);
4439
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parents:
diff changeset
399 }
f7251c729b31 profiling info first try
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parents:
diff changeset
400
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parents:
diff changeset
401 @Override
4440
271220b49abc profiling info fixes
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parents: 4439
diff changeset
402 public int getExecutionCount(HotSpotMethodData data, int position) {
271220b49abc profiling info fixes
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parents: 4439
diff changeset
403 return -1;
4439
f7251c729b31 profiling info first try
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parents:
diff changeset
404 }
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parents:
diff changeset
405 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
406
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parents:
diff changeset
407 private static class VirtualCallData extends AbstractTypeData {
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parents:
diff changeset
408 private static final int VIRTUAL_CALL_DATA_TAG = 5;
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parents:
diff changeset
409
f7251c729b31 profiling info first try
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parents:
diff changeset
410 public VirtualCallData() {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
411 super(VIRTUAL_CALL_DATA_TAG);
4439
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parents:
diff changeset
412 }
f7251c729b31 profiling info first try
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parents:
diff changeset
413
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Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
414 @Override
4440
271220b49abc profiling info fixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4439
diff changeset
415 public int getExecutionCount(HotSpotMethodData data, int position) {
4439
f7251c729b31 profiling info first try
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parents:
diff changeset
416 int typeProfileWidth = config.typeProfileWidth;
f7251c729b31 profiling info first try
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parents:
diff changeset
417
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parents:
diff changeset
418 long total = 0;
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
419 for (int i = 0; i < typeProfileWidth; i++) {
f7251c729b31 profiling info first try
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parents:
diff changeset
420 total += data.readUnsignedInt(position, getCountOffset(i));
f7251c729b31 profiling info first try
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parents:
diff changeset
421 }
f7251c729b31 profiling info first try
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parents:
diff changeset
422
4440
271220b49abc profiling info fixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4439
diff changeset
423 total += getCounterValue(data, position);
271220b49abc profiling info fixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4439
diff changeset
424 return truncateLongToInt(total);
4439
f7251c729b31 profiling info first try
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parents:
diff changeset
425 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
426 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
427
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
428 private static class RetData extends CounterData {
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
429 private static final int RET_DATA_TAG = 6;
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
430 private static final int RET_DATA_ROW_SIZE = cellsToBytes(3);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
431 private static final int RET_DATA_SIZE = cellIndexToOffset(1) + RET_DATA_ROW_SIZE * config.bciProfileWidth;
4439
f7251c729b31 profiling info first try
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parents:
diff changeset
432
f7251c729b31 profiling info first try
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parents:
diff changeset
433 public RetData() {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
434 super(RET_DATA_TAG, RET_DATA_SIZE);
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
435 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
436 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
437
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
438 private static class BranchData extends JumpData {
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
439 private static final int BRANCH_DATA_TAG = 7;
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
440 private static final int BRANCH_DATA_SIZE = cellIndexToOffset(3);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
441 private static final int NOT_TAKEN_COUNT_OFFSET = cellIndexToOffset(2);
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
442
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
443 public BranchData() {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
444 super(BRANCH_DATA_TAG, BRANCH_DATA_SIZE);
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
445 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
446
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
447 @Override
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
448 public double getBranchTakenProbability(HotSpotMethodData data, int position) {
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
449 long takenCount = data.readUnsignedInt(position, TAKEN_COUNT_OFFSET);
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
450 long notTakenCount = data.readUnsignedInt(position, NOT_TAKEN_COUNT_OFFSET);
4441
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
451 long total = takenCount + notTakenCount;
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
452
4551
a7a16015e47f changed profiling maturity so that profiling information is used more likely
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4527
diff changeset
453 if (total < GraalOptions.MatureExecutionsBranch) {
4441
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
454 return -1;
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
455 } else {
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
456 return takenCount / (double) total;
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
457 }
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
458 }
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
459
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
460 @Override
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
461 public int getExecutionCount(HotSpotMethodData data, int position) {
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
462 long count = data.readUnsignedInt(position, TAKEN_COUNT_OFFSET) + data.readUnsignedInt(position, NOT_TAKEN_COUNT_OFFSET);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
463 return truncateLongToInt(count);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
464 }
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
465 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
466
4447
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
467 private static class ArrayData extends AbstractMethodData {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
468 private static final int ARRAY_DATA_LENGTH_OFFSET = cellIndexToOffset(0);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
469 protected static final int ARRAY_DATA_START_OFFSET = cellIndexToOffset(1);
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
470
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
471 public ArrayData(int tag, int staticSize) {
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
472 super(tag, staticSize);
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
473 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
474
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
475 @Override
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
476 protected int getDynamicSize(HotSpotMethodData data, int position) {
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
477 return cellsToBytes(getLength(data, position));
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
478 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
479
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
480 protected static int getLength(HotSpotMethodData data, int position) {
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
481 return data.readInt(position, ARRAY_DATA_LENGTH_OFFSET);
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
482 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
483 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
484
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
485 private static class MultiBranchData extends ArrayData {
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
486 private static final int MULTI_BRANCH_DATA_TAG = 8;
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
487 private static final int MULTI_BRANCH_DATA_SIZE = cellIndexToOffset(1);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
488 private static final int MULTI_BRANCH_DATA_ROW_SIZE_IN_CELLS = 2;
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
489 private static final int MULTI_BRANCH_DATA_ROW_SIZE = cellsToBytes(MULTI_BRANCH_DATA_ROW_SIZE_IN_CELLS);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
490 private static final int MULTI_BRANCH_DATA_FIRST_COUNT_OFFSET = ARRAY_DATA_START_OFFSET + cellsToBytes(0);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
491 private static final int MULTI_BRANCH_DATA_FIRST_DISPLACEMENT_OFFSET = ARRAY_DATA_START_OFFSET + cellsToBytes(1);
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
492
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
493 public MultiBranchData() {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
494 super(MULTI_BRANCH_DATA_TAG, MULTI_BRANCH_DATA_SIZE);
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
495 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
496
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
497 @Override
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
498 public double[] getSwitchProbabilities(HotSpotMethodData data, int position) {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
499 int arrayLength = getLength(data, position);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
500 assert arrayLength > 0 : "switch must have at least the default case";
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
501 assert arrayLength % MULTI_BRANCH_DATA_ROW_SIZE_IN_CELLS == 0 : "array must have full rows";
4441
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
502
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
503 int length = arrayLength / MULTI_BRANCH_DATA_ROW_SIZE_IN_CELLS;
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
504 long totalCount = 0;
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
505 double[] result = new double[length];
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
506
4447
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
507 // default case is first in HotSpot but last for the compiler
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
508 long count = readCount(data, position, 0);
4446
48756b901156 bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4444
diff changeset
509 totalCount += count;
48756b901156 bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4444
diff changeset
510 result[length - 1] = count;
48756b901156 bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4444
diff changeset
511
48756b901156 bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4444
diff changeset
512 for (int i = 1; i < length; i++) {
4447
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
513 count = readCount(data, position, i);
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
514 totalCount += count;
4446
48756b901156 bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4444
diff changeset
515 result[i - 1] = count;
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
516 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
517
4551
a7a16015e47f changed profiling maturity so that profiling information is used more likely
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4527
diff changeset
518 if (totalCount < GraalOptions.MatureExecutionsPerSwitchCase * length) {
4441
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
519 return null;
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
520 } else {
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
521 for (int i = 0; i < length; i++) {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
522 result[i] = result[i] / totalCount;
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
523 }
4441
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
524 return result;
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
525 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
526 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
527
4447
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
528 private static long readCount(HotSpotMethodData data, int position, int i) {
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
529 int offset;
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
530 long count;
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
531 offset = getCountOffset(i);
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
532 count = data.readUnsignedInt(position, offset);
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
533 return count;
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
534 }
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
535
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
536 @Override
4440
271220b49abc profiling info fixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4439
diff changeset
537 public int getExecutionCount(HotSpotMethodData data, int position) {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
538 int arrayLength = getLength(data, position);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
539 assert arrayLength > 0 : "switch must have at least the default case";
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
540 assert arrayLength % MULTI_BRANCH_DATA_ROW_SIZE_IN_CELLS == 0 : "array must have full rows";
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
541
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
542 int length = arrayLength / MULTI_BRANCH_DATA_ROW_SIZE_IN_CELLS;
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
543 long totalCount = 0;
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
544 for (int i = 0; i < length; i++) {
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
545 int offset = getCountOffset(i);
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
546 totalCount += data.readUnsignedInt(position, offset);
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
547 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
548
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
549 return truncateLongToInt(totalCount);
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
550 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
551
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
552 private static int getCountOffset(int index) {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
553 return MULTI_BRANCH_DATA_FIRST_COUNT_OFFSET + index * MULTI_BRANCH_DATA_ROW_SIZE;
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
554 }
4452
b225da954a32 inlining of multiple trival methods at one call site works
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4448
diff changeset
555
b225da954a32 inlining of multiple trival methods at one call site works
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4448
diff changeset
556 @SuppressWarnings("unused")
b225da954a32 inlining of multiple trival methods at one call site works
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4448
diff changeset
557 private static int getDisplacementOffset(int index) {
b225da954a32 inlining of multiple trival methods at one call site works
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4448
diff changeset
558 return MULTI_BRANCH_DATA_FIRST_DISPLACEMENT_OFFSET + index * MULTI_BRANCH_DATA_ROW_SIZE;
b225da954a32 inlining of multiple trival methods at one call site works
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4448
diff changeset
559 }
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
560 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
561
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
562 private static class ArgInfoData extends ArrayData {
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
563 private static final int ARG_INFO_DATA_TAG = 9;
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
564 private static final int ARG_INFO_DATA_SIZE = cellIndexToOffset(1);
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
565
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
566 public ArgInfoData() {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
567 super(ARG_INFO_DATA_TAG, ARG_INFO_DATA_SIZE);
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
568 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
569 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
570 }