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annotate graal/com.oracle.max.graal.hotspot/src/com/oracle/graal/hotspot/ri/HotSpotMethodData.java @ 5060:4ed4295ce15f

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Update import statements.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Thu, 08 Mar 2012 19:11:12 +0100
parents ed559a528128
children
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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.ri;
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24
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25 import java.util.*;
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26
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27 import sun.misc.*;
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28
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29 import com.oracle.max.cri.ri.*;
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30 import com.oracle.graal.compiler.*;
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31 import com.oracle.graal.hotspot.*;
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32 import com.oracle.graal.hotspot.Compiler;
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33
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34
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35 public final class HotSpotMethodData extends CompilerObject {
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36
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37 /**
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38 *
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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 static {
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43 config = CompilerImpl.getInstance().getConfig();
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44 }
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45
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46 // TODO (chaeubl) use same logic as in NodeClass?
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47 private static final Unsafe unsafe = Unsafe.getUnsafe();
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48 private static final HotSpotMethodDataAccessor NO_DATA_NO_EXCEPTION_ACCESSOR = new NoMethodData(RiExceptionSeen.FALSE);
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49 private static final HotSpotMethodDataAccessor NO_DATA_EXCEPTION_POSSIBLY_NOT_RECORDED_ACCESSOR = new NoMethodData(RiExceptionSeen.NOT_SUPPORTED);
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50 private static final HotSpotVMConfig config;
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51 // sorted by tag
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52 private static final HotSpotMethodDataAccessor[] PROFILE_DATA_ACCESSORS = {
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53 null, new BitData(), new CounterData(), new JumpData(),
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54 new TypeCheckData(), new VirtualCallData(), new RetData(),
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55 new BranchData(), new MultiBranchData(), new ArgInfoData()
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56 };
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57
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58 private Object hotspotMirror;
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59 private int normalDataSize;
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60 private int extraDataSize;
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61
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62 private HotSpotMethodData(Compiler compiler) {
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63 super(compiler);
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64 throw new IllegalStateException("this constructor is never actually called, because the objects are allocated from within the VM");
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65 }
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66
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67 public boolean hasNormalData() {
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68 return normalDataSize > 0;
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69 }
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70
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71 public boolean hasExtraData() {
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72 return extraDataSize > 0;
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73 }
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74
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75 public int getExtraDataBeginOffset() {
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76 return normalDataSize;
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77 }
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78
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79 public boolean isWithin(int position) {
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80 return position >= 0 && position < normalDataSize + extraDataSize;
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81 }
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82
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83 public HotSpotMethodDataAccessor getNormalData(int position) {
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84 if (position >= normalDataSize) {
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85 return null;
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86 }
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87
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88 HotSpotMethodDataAccessor result = getData(position);
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89 assert result != null : "NO_DATA tag is not allowed";
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90 return result;
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91 }
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92
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93 public HotSpotMethodDataAccessor getExtraData(int position) {
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94 if (position >= normalDataSize + extraDataSize) {
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95 return null;
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96 }
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97 return getData(position);
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98 }
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99
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100 public static HotSpotMethodDataAccessor getNoDataAccessor(boolean exceptionPossiblyNotRecorded) {
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101 if (exceptionPossiblyNotRecorded) {
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102 return NO_DATA_EXCEPTION_POSSIBLY_NOT_RECORDED_ACCESSOR;
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103 } else {
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104 return NO_DATA_NO_EXCEPTION_ACCESSOR;
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105 }
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106 }
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107
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108 private HotSpotMethodDataAccessor getData(int position) {
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109 assert position >= 0 : "out of bounds";
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110 int tag = AbstractMethodData.readTag(this, position);
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111 assert tag >= 0 && tag < PROFILE_DATA_ACCESSORS.length : "illegal tag";
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112 return PROFILE_DATA_ACCESSORS[tag];
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113 }
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114
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115 private int readUnsignedByte(int position, int offsetInBytes) {
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116 long fullOffsetInBytes = computeFullOffset(position, offsetInBytes);
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117 return unsafe.getByte(hotspotMirror, fullOffsetInBytes) & 0xFF;
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118 }
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119
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120 private int readUnsignedShort(int position, int offsetInBytes) {
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121 long fullOffsetInBytes = computeFullOffset(position, offsetInBytes);
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122 return unsafe.getShort(hotspotMirror, fullOffsetInBytes) & 0xFFFF;
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123 }
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124
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125 private long readUnsignedInt(int position, int offsetInBytes) {
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126 long fullOffsetInBytes = computeFullOffset(position, offsetInBytes);
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127 return unsafe.getInt(hotspotMirror, fullOffsetInBytes) & 0xFFFFFFFFL;
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128 }
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129
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130 private int readUnsignedIntAsSignedInt(int position, int offsetInBytes) {
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131 long value = readUnsignedInt(position, offsetInBytes);
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132 return truncateLongToInt(value);
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133 }
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134
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135 private int readInt(int position, int offsetInBytes) {
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136 long fullOffsetInBytes = computeFullOffset(position, offsetInBytes);
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137 return unsafe.getInt(hotspotMirror, fullOffsetInBytes);
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138 }
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139
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140 private Object readObject(int position, int offsetInBytes) {
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141 long fullOffsetInBytes = computeFullOffset(position, offsetInBytes);
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142 return unsafe.getObject(hotspotMirror, fullOffsetInBytes);
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143 }
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144
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145 private static int truncateLongToInt(long value) {
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146 return value > Integer.MAX_VALUE ? Integer.MAX_VALUE : (int) value;
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147 }
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148
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149 private static int computeFullOffset(int position, int offsetInBytes) {
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150 return config.methodDataOopDataOffset + position + offsetInBytes;
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151 }
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152
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153 private static int cellIndexToOffset(int cells) {
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154 return config.dataLayoutHeaderSize + cellsToBytes(cells);
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155 }
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156
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157 private static int cellsToBytes(int cells) {
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158 return cells * config.dataLayoutCellSize;
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159 }
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160
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161 private abstract static class AbstractMethodData implements HotSpotMethodDataAccessor {
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162 private static final int EXCEPTIONS_MASK = 0x80;
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163
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164 private final int tag;
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165 private final int staticSize;
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166
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167 protected AbstractMethodData(int tag, int staticSize) {
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168 this.tag = tag;
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169 this.staticSize = staticSize;
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170 }
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171
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172 public int getTag() {
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173 return tag;
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174 }
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175
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176 public static int readTag(HotSpotMethodData data, int position) {
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177 return data.readUnsignedByte(position, config.dataLayoutTagOffset);
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178 }
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179
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180 @Override
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181 public int getBCI(HotSpotMethodData data, int position) {
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182 return data.readUnsignedShort(position, config.dataLayoutBCIOffset);
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183 }
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184
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185 @Override
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186 public int getSize(HotSpotMethodData data, int position) {
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187 return staticSize + getDynamicSize(data, position);
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188 }
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189
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190 @Override
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191 public RiExceptionSeen getExceptionSeen(HotSpotMethodData data, int position) {
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192 return RiExceptionSeen.get((getFlags(data, position) & EXCEPTIONS_MASK) != 0);
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193 }
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194
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195 @Override
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196 public RiTypeProfile getTypeProfile(HotSpotMethodData data, int position) {
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197 return null;
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198 }
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199
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200 @Override
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201 public double getBranchTakenProbability(HotSpotMethodData data, int position) {
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202 return -1;
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203 }
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204
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205 @Override
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206 public double[] getSwitchProbabilities(HotSpotMethodData data, int position) {
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207 return null;
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208 }
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209
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210 @Override
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211 public int getExecutionCount(HotSpotMethodData data, int position) {
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212 return -1;
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213 }
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214
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215 protected int getFlags(HotSpotMethodData data, int position) {
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216 return data.readUnsignedByte(position, config.dataLayoutFlagsOffset);
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217 }
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218
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219 protected int getDynamicSize(@SuppressWarnings("unused") HotSpotMethodData data, @SuppressWarnings("unused") int position) {
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220 return 0;
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221 }
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222 }
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223
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224 private static class NoMethodData extends AbstractMethodData {
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225 private static final int NO_DATA_TAG = 0;
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226 private static final int NO_DATA_SIZE = cellIndexToOffset(0);
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227
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228 private final RiExceptionSeen exceptionSeen;
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229
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230 protected NoMethodData(RiExceptionSeen exceptionSeen) {
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231 super(NO_DATA_TAG, NO_DATA_SIZE);
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232 this.exceptionSeen = exceptionSeen;
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233 }
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234
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235 @Override
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236 public int getBCI(HotSpotMethodData data, int position) {
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237 return -1;
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238 }
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239
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240
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241 @Override
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242 public RiExceptionSeen getExceptionSeen(HotSpotMethodData data, int position) {
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243 return exceptionSeen;
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244 }
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245 }
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246
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diff changeset
247 private static class BitData extends AbstractMethodData {
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248 private static final int BIT_DATA_TAG = 1;
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249 private static final int BIT_DATA_SIZE = cellIndexToOffset(0);
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250 private static final int BIT_DATA_NULL_SEEN_FLAG = 0x01;
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251
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252 private BitData() {
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253 super(BIT_DATA_TAG, BIT_DATA_SIZE);
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254 }
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255
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256 protected BitData(int tag, int staticSize) {
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257 super(tag, staticSize);
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258 }
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259
4452
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diff changeset
260 @SuppressWarnings("unused")
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261 public boolean getNullSeen(HotSpotMethodData data, int position) {
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diff changeset
262 return (getFlags(data, position) & BIT_DATA_NULL_SEEN_FLAG) != 0;
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263 }
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264 }
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265
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266 private static class CounterData extends BitData {
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267 private static final int COUNTER_DATA_TAG = 2;
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268 private static final int COUNTER_DATA_SIZE = cellIndexToOffset(1);
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269 private static final int COUNTER_DATA_COUNT_OFFSET = cellIndexToOffset(0);
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270
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271 public CounterData() {
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272 super(COUNTER_DATA_TAG, COUNTER_DATA_SIZE);
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273 }
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274
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275 protected CounterData(int tag, int staticSize) {
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276 super(tag, staticSize);
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277 }
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278
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279 @Override
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280 public int getExecutionCount(HotSpotMethodData data, int position) {
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281 return getCounterValue(data, position);
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282 }
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283
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284 protected int getCounterValue(HotSpotMethodData data, int position) {
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285 return data.readUnsignedIntAsSignedInt(position, COUNTER_DATA_COUNT_OFFSET);
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286 }
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287 }
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288
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289 private static class JumpData extends AbstractMethodData {
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290 private static final int JUMP_DATA_TAG = 3;
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291 private static final int JUMP_DATA_SIZE = cellIndexToOffset(2);
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292 protected static final int TAKEN_COUNT_OFFSET = cellIndexToOffset(0);
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293 protected static final int TAKEN_DISPLACEMENT_OFFSET = cellIndexToOffset(1);
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294
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295 public JumpData() {
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296 super(JUMP_DATA_TAG, JUMP_DATA_SIZE);
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297 }
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298
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299 protected JumpData(int tag, int staticSize) {
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300 super(tag, staticSize);
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301 }
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302
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303 @Override
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parents:
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304 public double getBranchTakenProbability(HotSpotMethodData data, int position) {
5039
f3d2447db2d9 added detection for endless recompilation
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parents: 4564
diff changeset
305 return getExecutionCount(data, position) != 0 ? 1 : 0;
4439
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diff changeset
306 }
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parents:
diff changeset
307
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parents:
diff changeset
308 @Override
4440
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diff changeset
309 public int getExecutionCount(HotSpotMethodData data, int position) {
271220b49abc profiling info fixes
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parents: 4439
diff changeset
310 return data.readUnsignedIntAsSignedInt(position, TAKEN_COUNT_OFFSET);
4439
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311 }
4452
b225da954a32 inlining of multiple trival methods at one call site works
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parents: 4448
diff changeset
312
b225da954a32 inlining of multiple trival methods at one call site works
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parents: 4448
diff changeset
313 @SuppressWarnings("unused")
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parents: 4448
diff changeset
314 public int getTakenDisplacement(HotSpotMethodData data, int position) {
b225da954a32 inlining of multiple trival methods at one call site works
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parents: 4448
diff changeset
315 return data.readInt(position, TAKEN_DISPLACEMENT_OFFSET);
b225da954a32 inlining of multiple trival methods at one call site works
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diff changeset
316 }
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317 }
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diff changeset
318
4456
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diff changeset
319 private abstract static class AbstractTypeData extends CounterData {
4444
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diff changeset
320 private static final int RECEIVER_TYPE_DATA_ROW_SIZE = cellsToBytes(2);
7d9469b37f1f bugfixes
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parents: 4441
diff changeset
321 private static final int RECEIVER_TYPE_DATA_SIZE = cellIndexToOffset(1) + RECEIVER_TYPE_DATA_ROW_SIZE * config.typeProfileWidth;
7d9469b37f1f bugfixes
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parents: 4441
diff changeset
322 private static final int RECEIVER_TYPE_DATA_FIRST_RECEIVER_OFFSET = cellIndexToOffset(1);
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parents: 4441
diff changeset
323 private static final int RECEIVER_TYPE_DATA_FIRST_COUNT_OFFSET = cellIndexToOffset(2);
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324
4444
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diff changeset
325 protected AbstractTypeData(int tag) {
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parents: 4441
diff changeset
326 super(tag, RECEIVER_TYPE_DATA_SIZE);
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327 }
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parents:
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328
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diff changeset
329 @Override
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diff changeset
330 public RiTypeProfile getTypeProfile(HotSpotMethodData data, int position) {
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331 int typeProfileWidth = config.typeProfileWidth;
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332
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diff changeset
333 RiResolvedType[] sparseTypes = new RiResolvedType[typeProfileWidth];
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diff changeset
334 double[] counts = new double[typeProfileWidth];
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diff changeset
335 long totalCount = 0;
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diff changeset
336 int entries = 0;
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337
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338 for (int i = 0; i < typeProfileWidth; i++) {
4441
4e3aaf14cbc6 fixed graal to hotspot
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parents: 4440
diff changeset
339 Object receiverKlassOop = data.readObject(position, getReceiverOffset(i));
4e3aaf14cbc6 fixed graal to hotspot
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parents: 4440
diff changeset
340 if (receiverKlassOop != null) {
4444
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parents: 4441
diff changeset
341 Object graalMirror = unsafe.getObject(receiverKlassOop, (long) config.graalMirrorKlassOffset);
4441
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parents: 4440
diff changeset
342 if (graalMirror == null) {
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parents: 4440
diff changeset
343 Class<?> javaClass = (Class<?>) unsafe.getObject(receiverKlassOop, (long) config.classMirrorOffset);
4e3aaf14cbc6 fixed graal to hotspot
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parents: 4440
diff changeset
344 graalMirror = CompilerImpl.getInstance().getVMEntries().getType(javaClass);
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parents: 4440
diff changeset
345 assert graalMirror != null : "must not return null";
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parents: 4440
diff changeset
346 }
4447
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diff changeset
347 sparseTypes[entries] = (RiResolvedType) graalMirror;
4441
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diff changeset
348
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diff changeset
349 long count = data.readUnsignedInt(position, getCountOffset(i));
4447
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diff changeset
350 totalCount += count;
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
351 counts[entries] = count;
4441
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diff changeset
352
4447
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diff changeset
353 entries++;
4441
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diff changeset
354 }
4439
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355 }
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diff changeset
356
4456
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diff changeset
357 totalCount += getTypesNotRecordedExecutionCount(data, position);
4447
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parents: 4446
diff changeset
358 return createRiTypeProfile(sparseTypes, counts, totalCount, entries);
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
359 }
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
360
4526
0e1f15ec0e94 fixed profiling of typechecks
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parents: 4476
diff changeset
361 protected long getTypesNotRecordedExecutionCount(HotSpotMethodData data, int position) {
0e1f15ec0e94 fixed profiling of typechecks
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parents: 4476
diff changeset
362 // 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
363 // is incremented to indicate the polymorphic case instead of decrementing it for failed type checks
0e1f15ec0e94 fixed profiling of typechecks
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parents: 4476
diff changeset
364 return getCounterValue(data, position);
0e1f15ec0e94 fixed profiling of typechecks
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parents: 4476
diff changeset
365 }
4456
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diff changeset
366
4447
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diff changeset
367 private static RiTypeProfile createRiTypeProfile(RiResolvedType[] sparseTypes, double[] counts, long totalCount, int entries) {
4441
4e3aaf14cbc6 fixed graal to hotspot
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parents: 4440
diff changeset
368 RiResolvedType[] types;
4e3aaf14cbc6 fixed graal to hotspot
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diff changeset
369 double[] probabilities;
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diff changeset
370
4551
a7a16015e47f changed profiling maturity so that profiling information is used more likely
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parents: 4527
diff changeset
371 if (entries <= 0 || totalCount < GraalOptions.MatureExecutionsTypeProfile) {
4441
4e3aaf14cbc6 fixed graal to hotspot
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parents: 4440
diff changeset
372 return null;
4447
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
373 } else if (entries < sparseTypes.length) {
4470
b7ec250cd29c fixes after merge
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4467
diff changeset
374 types = Arrays.copyOf(sparseTypes, entries);
4441
4e3aaf14cbc6 fixed graal to hotspot
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parents: 4440
diff changeset
375 probabilities = new double[entries];
4e3aaf14cbc6 fixed graal to hotspot
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diff changeset
376 } else {
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parents: 4440
diff changeset
377 types = sparseTypes;
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parents: 4440
diff changeset
378 probabilities = counts;
4439
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diff changeset
379 }
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diff changeset
380
4456
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diff changeset
381 double totalProbability = 0.0;
4444
7d9469b37f1f bugfixes
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parents: 4441
diff changeset
382 for (int i = 0; i < entries; i++) {
4456
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parents: 4455
diff changeset
383 double p = counts[i] / totalCount;
f4c82dd4619e inlining bugfixes and cleanup
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4455
diff changeset
384 probabilities[i] = p;
f4c82dd4619e inlining bugfixes and cleanup
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4455
diff changeset
385 totalProbability += p;
4441
4e3aaf14cbc6 fixed graal to hotspot
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parents: 4440
diff changeset
386 }
4456
f4c82dd4619e inlining bugfixes and cleanup
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4455
diff changeset
387
f4c82dd4619e inlining bugfixes and cleanup
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4455
diff changeset
388 double notRecordedTypeProbability = entries < config.typeProfileWidth ? 0.0 : Math.min(1.0, Math.max(0.0, 1.0 - totalProbability));
f4c82dd4619e inlining bugfixes and cleanup
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4455
diff changeset
389 return new RiTypeProfile(types, notRecordedTypeProbability, probabilities);
4439
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parents:
diff changeset
390 }
f7251c729b31 profiling info first try
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parents:
diff changeset
391
f7251c729b31 profiling info first try
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parents:
diff changeset
392 private static int getReceiverOffset(int row) {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
393 return RECEIVER_TYPE_DATA_FIRST_RECEIVER_OFFSET + row * RECEIVER_TYPE_DATA_ROW_SIZE;
4439
f7251c729b31 profiling info first try
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parents:
diff changeset
394 }
f7251c729b31 profiling info first try
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parents:
diff changeset
395
f7251c729b31 profiling info first try
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parents:
diff changeset
396 protected static int getCountOffset(int row) {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
397 return RECEIVER_TYPE_DATA_FIRST_COUNT_OFFSET + row * RECEIVER_TYPE_DATA_ROW_SIZE;
4439
f7251c729b31 profiling info first try
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parents:
diff changeset
398 }
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parents:
diff changeset
399 }
f7251c729b31 profiling info first try
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parents:
diff changeset
400
f7251c729b31 profiling info first try
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parents:
diff changeset
401 private static class TypeCheckData extends AbstractTypeData {
f7251c729b31 profiling info first try
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parents:
diff changeset
402 private static final int RECEIVER_TYPE_DATA_TAG = 4;
f7251c729b31 profiling info first try
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parents:
diff changeset
403
f7251c729b31 profiling info first try
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parents:
diff changeset
404 public TypeCheckData() {
4444
7d9469b37f1f bugfixes
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parents: 4441
diff changeset
405 super(RECEIVER_TYPE_DATA_TAG);
4439
f7251c729b31 profiling info first try
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parents:
diff changeset
406 }
f7251c729b31 profiling info first try
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parents:
diff changeset
407
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
408 @Override
4440
271220b49abc profiling info fixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4439
diff changeset
409 public int getExecutionCount(HotSpotMethodData data, int position) {
271220b49abc profiling info fixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4439
diff changeset
410 return -1;
4439
f7251c729b31 profiling info first try
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parents:
diff changeset
411 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
412 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
413
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
414 private static class VirtualCallData extends AbstractTypeData {
f7251c729b31 profiling info first try
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parents:
diff changeset
415 private static final int VIRTUAL_CALL_DATA_TAG = 5;
f7251c729b31 profiling info first try
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parents:
diff changeset
416
f7251c729b31 profiling info first try
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parents:
diff changeset
417 public VirtualCallData() {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
418 super(VIRTUAL_CALL_DATA_TAG);
4439
f7251c729b31 profiling info first try
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parents:
diff changeset
419 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
420
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
421 @Override
4440
271220b49abc profiling info fixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4439
diff changeset
422 public int getExecutionCount(HotSpotMethodData data, int position) {
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
423 int typeProfileWidth = config.typeProfileWidth;
f7251c729b31 profiling info first try
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parents:
diff changeset
424
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
425 long total = 0;
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
426 for (int i = 0; i < typeProfileWidth; i++) {
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
427 total += data.readUnsignedInt(position, getCountOffset(i));
f7251c729b31 profiling info first try
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parents:
diff changeset
428 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
429
4440
271220b49abc profiling info fixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4439
diff changeset
430 total += getCounterValue(data, position);
271220b49abc profiling info fixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4439
diff changeset
431 return truncateLongToInt(total);
4439
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parents:
diff changeset
432 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
433 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
434
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
435 private static class RetData extends CounterData {
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
436 private static final int RET_DATA_TAG = 6;
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
437 private static final int RET_DATA_ROW_SIZE = cellsToBytes(3);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
438 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
439
f7251c729b31 profiling info first try
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parents:
diff changeset
440 public RetData() {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
441 super(RET_DATA_TAG, RET_DATA_SIZE);
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 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
444
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
445 private static class BranchData extends JumpData {
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
446 private static final int BRANCH_DATA_TAG = 7;
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
447 private static final int BRANCH_DATA_SIZE = cellIndexToOffset(3);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
448 private static final int NOT_TAKEN_COUNT_OFFSET = cellIndexToOffset(2);
4439
f7251c729b31 profiling info first try
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parents:
diff changeset
449
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
450 public BranchData() {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
451 super(BRANCH_DATA_TAG, BRANCH_DATA_SIZE);
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
452 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
453
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
454 @Override
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
455 public double getBranchTakenProbability(HotSpotMethodData data, int position) {
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
456 long takenCount = data.readUnsignedInt(position, TAKEN_COUNT_OFFSET);
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
457 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
458 long total = takenCount + notTakenCount;
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
459
4551
a7a16015e47f changed profiling maturity so that profiling information is used more likely
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4527
diff changeset
460 if (total < GraalOptions.MatureExecutionsBranch) {
4441
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
461 return -1;
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
462 } else {
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
463 return takenCount / (double) total;
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
464 }
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
465 }
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
466
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
467 @Override
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
468 public int getExecutionCount(HotSpotMethodData data, int position) {
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
469 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
470 return truncateLongToInt(count);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
471 }
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
472 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
473
4447
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
474 private static class ArrayData extends AbstractMethodData {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
475 private static final int ARRAY_DATA_LENGTH_OFFSET = cellIndexToOffset(0);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
476 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
477
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
478 public ArrayData(int tag, int staticSize) {
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
479 super(tag, staticSize);
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
480 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
481
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
482 @Override
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
483 protected int getDynamicSize(HotSpotMethodData data, int position) {
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
484 return cellsToBytes(getLength(data, position));
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
485 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
486
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
487 protected static int getLength(HotSpotMethodData data, int position) {
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
488 return data.readInt(position, ARRAY_DATA_LENGTH_OFFSET);
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
489 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
490 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
491
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
492 private static class MultiBranchData extends ArrayData {
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
493 private static final int MULTI_BRANCH_DATA_TAG = 8;
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
494 private static final int MULTI_BRANCH_DATA_SIZE = cellIndexToOffset(1);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
495 private static final int MULTI_BRANCH_DATA_ROW_SIZE_IN_CELLS = 2;
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
496 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
497 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
498 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
499
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
500 public MultiBranchData() {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
501 super(MULTI_BRANCH_DATA_TAG, MULTI_BRANCH_DATA_SIZE);
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
502 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
503
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
504 @Override
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
505 public double[] getSwitchProbabilities(HotSpotMethodData data, int position) {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
506 int arrayLength = getLength(data, position);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
507 assert arrayLength > 0 : "switch must have at least the default case";
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
508 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
509
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
510 int length = arrayLength / MULTI_BRANCH_DATA_ROW_SIZE_IN_CELLS;
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
511 long totalCount = 0;
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
512 double[] result = new double[length];
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
513
4447
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
514 // default case is first in HotSpot but last for the compiler
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
515 long count = readCount(data, position, 0);
4446
48756b901156 bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4444
diff changeset
516 totalCount += count;
48756b901156 bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4444
diff changeset
517 result[length - 1] = count;
48756b901156 bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4444
diff changeset
518
48756b901156 bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4444
diff changeset
519 for (int i = 1; i < length; i++) {
4447
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
520 count = readCount(data, position, i);
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
521 totalCount += count;
4446
48756b901156 bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4444
diff changeset
522 result[i - 1] = count;
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
523 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
524
4551
a7a16015e47f changed profiling maturity so that profiling information is used more likely
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4527
diff changeset
525 if (totalCount < GraalOptions.MatureExecutionsPerSwitchCase * length) {
4441
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
526 return null;
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
527 } else {
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
528 for (int i = 0; i < length; i++) {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
529 result[i] = result[i] / totalCount;
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
530 }
4441
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
531 return result;
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
532 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
533 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
534
4447
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
535 private static long readCount(HotSpotMethodData data, int position, int i) {
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
536 int offset;
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
537 long count;
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
538 offset = getCountOffset(i);
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
539 count = data.readUnsignedInt(position, offset);
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
540 return count;
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
541 }
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
542
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
543 @Override
4440
271220b49abc profiling info fixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4439
diff changeset
544 public int getExecutionCount(HotSpotMethodData data, int position) {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
545 int arrayLength = getLength(data, position);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
546 assert arrayLength > 0 : "switch must have at least the default case";
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
547 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
548
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
549 int length = arrayLength / MULTI_BRANCH_DATA_ROW_SIZE_IN_CELLS;
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
550 long totalCount = 0;
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
551 for (int i = 0; i < length; i++) {
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
552 int offset = getCountOffset(i);
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
553 totalCount += data.readUnsignedInt(position, offset);
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
554 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
555
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
556 return truncateLongToInt(totalCount);
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
557 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
558
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
559 private static int getCountOffset(int index) {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
560 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
561 }
4452
b225da954a32 inlining of multiple trival methods at one call site works
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4448
diff changeset
562
b225da954a32 inlining of multiple trival methods at one call site works
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4448
diff changeset
563 @SuppressWarnings("unused")
b225da954a32 inlining of multiple trival methods at one call site works
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4448
diff changeset
564 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
565 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
566 }
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
567 }
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 private static class ArgInfoData extends ArrayData {
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
570 private static final int ARG_INFO_DATA_TAG = 9;
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
571 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
572
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
573 public ArgInfoData() {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
574 super(ARG_INFO_DATA_TAG, ARG_INFO_DATA_SIZE);
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
575 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
576 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
577 }