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annotate graal/com.oracle.max.graal.hotspot/src/com/oracle/max/graal/hotspot/ri/HotSpotMethodData.java @ 4457:5acf4a974e4a

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fixed framestate for inlining multiple methods
author Christian Haeubl <christian.haeubl@oracle.com>
date Tue, 31 Jan 2012 17:09:11 -0800
parents f4c82dd4619e
children ed73455e9c03
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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.max.graal.hotspot.ri;
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24
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25 import sun.misc.*;
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26
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27 import com.oracle.max.cri.ri.*;
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28 import com.oracle.max.graal.hotspot.*;
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29 import com.oracle.max.graal.hotspot.Compiler;
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30
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31
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32 public final class HotSpotMethodData extends CompilerObject {
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33
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34 /**
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35 *
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36 */
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37 private static final long serialVersionUID = -8873133496591225071L;
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38
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39 static {
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40 config = CompilerImpl.getInstance().getConfig();
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41 }
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42
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43 // TODO (ch) use same logic as in NodeClass?
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44 private static final Unsafe unsafe = Unsafe.getUnsafe();
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45 private static final HotSpotMethodDataAccessor NO_DATA_ACCESSOR = new NoMethodData();
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46 private static final HotSpotVMConfig config;
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47 // sorted by tag
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48 private static final HotSpotMethodDataAccessor[] PROFILE_DATA_ACCESSORS = {
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49 null, new BitData(), new CounterData(), new JumpData(),
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50 new TypeCheckData(), new VirtualCallData(), new RetData(),
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51 new BranchData(), new MultiBranchData(), new ArgInfoData()
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52 };
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53
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54 private Object hotspotMirror;
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55 private int normalDataSize;
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56 private int extraDataSize;
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57 private boolean mature;
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58
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59 private HotSpotMethodData(Compiler compiler) {
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60 super(compiler);
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61 throw new IllegalStateException("this constructor is never actually called, because the objects are allocated from within the VM");
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62 }
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63
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64 public boolean hasNormalData() {
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65 return normalDataSize > 0;
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66 }
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67
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68 public boolean hasExtraData() {
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69 return extraDataSize > 0;
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70 }
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71
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72 public boolean isMature() {
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73 // TODO (ch) maturity of profiling information is an issue in general. Not all optimizations require mature data as long as the code
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74 // does deoptimize/recompile on violations (might decrease startup and increase peak performance).
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75 // Maturity is currently used on several levels:
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76 // 1) whole method data
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77 // 2) individual branch/switch profiling data
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78 // 3) MatureInvocationCount for eliminating exception edges
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79 if (!mature) {
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80 mature = compiler.getVMEntries().HotSpotMethodData_isMature(this);
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81 }
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82 return mature;
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83 }
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84
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85 public boolean isWithin(int position) {
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86 return position >= 0 && position < normalDataSize + extraDataSize;
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87 }
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88
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89 public HotSpotMethodDataAccessor getNormalData(int position) {
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90 if (position >= normalDataSize) {
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91 return null;
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92 }
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93
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94 HotSpotMethodDataAccessor result = getData(position, 0);
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95 assert result != null : "NO_DATA tag is not allowed";
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96 return result;
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97 }
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98
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99 public HotSpotMethodDataAccessor getExtraData(int position) {
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100 if (position >= extraDataSize) {
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101 return null;
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102 }
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103 return getData(position, normalDataSize);
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104 }
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105
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106 public static HotSpotMethodDataAccessor getNoMethodData() {
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107 return NO_DATA_ACCESSOR;
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108 }
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109
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110 private HotSpotMethodDataAccessor getData(int position, int displacement) {
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111 assert position >= 0 : "out of bounds";
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112 int tag = AbstractMethodData.readTag(this, displacement + position);
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113 assert tag >= 0 && tag < PROFILE_DATA_ACCESSORS.length : "illegal tag";
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114 return PROFILE_DATA_ACCESSORS[tag];
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115 }
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116
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117 private int readUnsignedByte(int position, int offsetInBytes) {
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118 long fullOffsetInBytes = computeFullOffset(position, offsetInBytes);
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119 return unsafe.getByte(hotspotMirror, fullOffsetInBytes) & 0xFF;
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120 }
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121
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122 private int readUnsignedShort(int position, int offsetInBytes) {
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123 long fullOffsetInBytes = computeFullOffset(position, offsetInBytes);
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124 return unsafe.getShort(hotspotMirror, fullOffsetInBytes) & 0xFFFF;
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125 }
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126
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127 private long readUnsignedInt(int position, int offsetInBytes) {
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128 long fullOffsetInBytes = computeFullOffset(position, offsetInBytes);
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129 return unsafe.getInt(hotspotMirror, fullOffsetInBytes) & 0xFFFFFFFFL;
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130 }
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131
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132 private int readUnsignedIntAsSignedInt(int position, int offsetInBytes) {
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133 long value = readUnsignedInt(position, offsetInBytes);
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134 return truncateLongToInt(value);
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135 }
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136
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137 private int readInt(int position, int offsetInBytes) {
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138 long fullOffsetInBytes = computeFullOffset(position, offsetInBytes);
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139 return unsafe.getInt(hotspotMirror, fullOffsetInBytes);
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140 }
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141
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142 private Object readObject(int position, int offsetInBytes) {
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143 long fullOffsetInBytes = computeFullOffset(position, offsetInBytes);
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144 return unsafe.getObject(hotspotMirror, fullOffsetInBytes);
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145 }
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146
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147 private static int truncateLongToInt(long value) {
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148 return value > Integer.MAX_VALUE ? Integer.MAX_VALUE : (int) value;
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149 }
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150
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151 private static int computeFullOffset(int position, int offsetInBytes) {
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152 return config.methodDataOopDataOffset + position + offsetInBytes;
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153 }
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154
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155 private static int cellIndexToOffset(int cells) {
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156 return config.dataLayoutHeaderSize + cellsToBytes(cells);
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157 }
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158
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159 private static int cellsToBytes(int cells) {
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160 return cells * config.dataLayoutCellSize;
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161 }
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162
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163 private abstract static class AbstractMethodData implements HotSpotMethodDataAccessor {
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164 private static final int EXCEPTIONS_MASK = 0x08;
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165
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166 private final int tag;
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167 private final int staticSize;
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168
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169 protected AbstractMethodData(int tag, int staticSize) {
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170 this.tag = tag;
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171 this.staticSize = staticSize;
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172 }
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173
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174 public int getTag() {
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175 return tag;
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176 }
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177
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178 public static int readTag(HotSpotMethodData data, int position) {
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179 return data.readUnsignedByte(position, config.dataLayoutTagOffset);
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180 }
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181
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182 @Override
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183 public int getBCI(HotSpotMethodData data, int position) {
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184 return data.readUnsignedShort(position, config.dataLayoutBCIOffset);
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185 }
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186
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187 @Override
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188 public int getSize(HotSpotMethodData data, int position) {
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189 return staticSize + getDynamicSize(data, position);
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190 }
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191
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192 @Override
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193 public boolean getExceptionSeen(HotSpotMethodData data, int position) {
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194 return (getFlags(data, position) & EXCEPTIONS_MASK) != 0;
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195 }
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196
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197 @Override
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198 public RiTypeProfile getTypeProfile(HotSpotMethodData data, int position) {
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199 return null;
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200 }
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201
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202 @Override
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203 public double getBranchTakenProbability(HotSpotMethodData data, int position) {
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204 return -1;
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205 }
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206
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207 @Override
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208 public double[] getSwitchProbabilities(HotSpotMethodData data, int position) {
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209 return null;
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210 }
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211
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212 @Override
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213 public int getExecutionCount(HotSpotMethodData data, int position) {
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214 return -1;
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215 }
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216
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217 protected int getFlags(HotSpotMethodData data, int position) {
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218 return data.readUnsignedByte(position, config.dataLayoutFlagsOffset);
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219 }
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220
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221 protected int getDynamicSize(@SuppressWarnings("unused") HotSpotMethodData data, @SuppressWarnings("unused") int position) {
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222 return 0;
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223 }
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224 }
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225
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226 private static class NoMethodData extends AbstractMethodData {
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227 private static final int NO_DATA_TAG = 0;
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228 private static final int NO_DATA_SIZE = cellIndexToOffset(0);
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229
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230 protected NoMethodData() {
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231 super(NO_DATA_TAG, NO_DATA_SIZE);
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232 }
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233
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234 @Override
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235 public int getBCI(HotSpotMethodData data, int position) {
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236 return -1;
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237 }
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238
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239
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240 @Override
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241 public boolean getExceptionSeen(HotSpotMethodData data, int position) {
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242 return false;
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243 }
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244 }
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245
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246 private static class BitData extends AbstractMethodData {
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247 private static final int BIT_DATA_TAG = 1;
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248 private static final int BIT_DATA_SIZE = cellIndexToOffset(0);
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249 private static final int BIT_DATA_NULL_SEEN_FLAG = 0x01;
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250
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251 private BitData() {
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252 super(BIT_DATA_TAG, BIT_DATA_SIZE);
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253 }
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254
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255 protected BitData(int tag, int staticSize) {
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256 super(tag, staticSize);
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257 }
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258
4452
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diff changeset
259 @SuppressWarnings("unused")
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260 public boolean getNullSeen(HotSpotMethodData data, int position) {
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diff changeset
261 return (getFlags(data, position) & BIT_DATA_NULL_SEEN_FLAG) != 0;
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262 }
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263 }
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264
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265 private static class CounterData extends BitData {
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266 private static final int COUNTER_DATA_TAG = 2;
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267 private static final int COUNTER_DATA_SIZE = cellIndexToOffset(1);
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268 private static final int COUNTER_DATA_COUNT_OFFSET = cellIndexToOffset(0);
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269
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270 public CounterData() {
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271 super(COUNTER_DATA_TAG, COUNTER_DATA_SIZE);
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272 }
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273
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274 protected CounterData(int tag, int staticSize) {
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275 super(tag, staticSize);
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276 }
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277
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278 @Override
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279 public int getExecutionCount(HotSpotMethodData data, int position) {
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280 return getCounterValue(data, position);
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281 }
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282
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283 protected int getCounterValue(HotSpotMethodData data, int position) {
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284 return data.readUnsignedIntAsSignedInt(position, COUNTER_DATA_COUNT_OFFSET);
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285 }
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286 }
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287
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288 private static class JumpData extends AbstractMethodData {
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289 private static final int JUMP_DATA_TAG = 3;
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290 private static final int JUMP_DATA_SIZE = cellIndexToOffset(2);
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291 protected static final int TAKEN_COUNT_OFFSET = cellIndexToOffset(0);
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292 protected static final int TAKEN_DISPLACEMENT_OFFSET = cellIndexToOffset(1);
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293
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294 public JumpData() {
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295 super(JUMP_DATA_TAG, JUMP_DATA_SIZE);
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296 }
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297
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298 protected JumpData(int tag, int staticSize) {
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299 super(tag, staticSize);
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300 }
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301
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302 @Override
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303 public double getBranchTakenProbability(HotSpotMethodData data, int position) {
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304 return 1;
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305 }
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306
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307 @Override
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308 public int getExecutionCount(HotSpotMethodData data, int position) {
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309 return data.readUnsignedIntAsSignedInt(position, TAKEN_COUNT_OFFSET);
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310 }
4452
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diff changeset
311
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diff changeset
312 @SuppressWarnings("unused")
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diff changeset
313 public int getTakenDisplacement(HotSpotMethodData data, int position) {
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314 return data.readInt(position, TAKEN_DISPLACEMENT_OFFSET);
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diff changeset
315 }
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316 }
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317
4456
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diff changeset
318 private abstract static class AbstractTypeData extends CounterData {
4444
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diff changeset
319 private static final int RECEIVER_TYPE_DATA_ROW_SIZE = cellsToBytes(2);
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diff changeset
320 private static final int RECEIVER_TYPE_DATA_SIZE = cellIndexToOffset(1) + RECEIVER_TYPE_DATA_ROW_SIZE * config.typeProfileWidth;
7d9469b37f1f bugfixes
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diff changeset
321 private static final int RECEIVER_TYPE_DATA_FIRST_RECEIVER_OFFSET = cellIndexToOffset(1);
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diff changeset
322 private static final int RECEIVER_TYPE_DATA_FIRST_COUNT_OFFSET = cellIndexToOffset(2);
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323
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diff changeset
324 protected AbstractTypeData(int tag) {
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diff changeset
325 super(tag, RECEIVER_TYPE_DATA_SIZE);
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326 }
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327
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diff changeset
328 @Override
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diff changeset
329 public RiTypeProfile getTypeProfile(HotSpotMethodData data, int position) {
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330 int typeProfileWidth = config.typeProfileWidth;
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331
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diff changeset
332 RiResolvedType[] sparseTypes = new RiResolvedType[typeProfileWidth];
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333 double[] counts = new double[typeProfileWidth];
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diff changeset
334 long totalCount = 0;
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335 int entries = 0;
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336
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337 for (int i = 0; i < typeProfileWidth; i++) {
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338 Object receiverKlassOop = data.readObject(position, getReceiverOffset(i));
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339 if (receiverKlassOop != null) {
4444
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diff changeset
340 Object graalMirror = unsafe.getObject(receiverKlassOop, (long) config.graalMirrorKlassOffset);
4441
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diff changeset
341 if (graalMirror == null) {
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diff changeset
342 Class<?> javaClass = (Class<?>) unsafe.getObject(receiverKlassOop, (long) config.classMirrorOffset);
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343 graalMirror = CompilerImpl.getInstance().getVMEntries().getType(javaClass);
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344 assert graalMirror != null : "must not return null";
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345 }
4447
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diff changeset
346 sparseTypes[entries] = (RiResolvedType) graalMirror;
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347
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348 long count = data.readUnsignedInt(position, getCountOffset(i));
4447
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diff changeset
349 totalCount += count;
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diff changeset
350 counts[entries] = count;
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351
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352 entries++;
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353 }
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354 }
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355
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356 totalCount += getTypesNotRecordedExecutionCount(data, position);
4447
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diff changeset
357 return createRiTypeProfile(sparseTypes, counts, totalCount, entries);
Christian Haeubl <christian.haeubl@oracle.com>
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diff changeset
358 }
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diff changeset
359
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diff changeset
360 protected abstract long getTypesNotRecordedExecutionCount(HotSpotMethodData data, int position);
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361
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diff changeset
362 private static RiTypeProfile createRiTypeProfile(RiResolvedType[] sparseTypes, double[] counts, long totalCount, int entries) {
4441
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diff changeset
363 RiResolvedType[] types;
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diff changeset
364 double[] probabilities;
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diff changeset
365
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diff changeset
366 if (entries <= 0) {
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diff changeset
367 return null;
4447
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diff changeset
368 } else if (entries < sparseTypes.length) {
4441
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diff changeset
369 RiResolvedType[] compactedTypes = new RiResolvedType[entries];
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diff changeset
370 System.arraycopy(sparseTypes, 0, compactedTypes, 0, entries);
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diff changeset
371 types = compactedTypes;
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diff changeset
372 probabilities = new double[entries];
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diff changeset
373 } else {
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diff changeset
374 types = sparseTypes;
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diff changeset
375 probabilities = counts;
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376 }
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diff changeset
377
4456
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diff changeset
378 double totalProbability = 0.0;
4444
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diff changeset
379 for (int i = 0; i < entries; i++) {
4456
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diff changeset
380 double p = counts[i] / totalCount;
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diff changeset
381 probabilities[i] = p;
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diff changeset
382 totalProbability += p;
4441
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diff changeset
383 }
4456
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diff changeset
384
f4c82dd4619e inlining bugfixes and cleanup
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diff changeset
385 double notRecordedTypeProbability = entries < config.typeProfileWidth ? 0.0 : Math.min(1.0, Math.max(0.0, 1.0 - totalProbability));
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diff changeset
386 return new RiTypeProfile(types, notRecordedTypeProbability, probabilities);
4439
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387 }
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parents:
diff changeset
388
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parents:
diff changeset
389 private static int getReceiverOffset(int row) {
4444
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diff changeset
390 return RECEIVER_TYPE_DATA_FIRST_RECEIVER_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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parents:
diff changeset
393 protected static int getCountOffset(int row) {
4444
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parents: 4441
diff changeset
394 return RECEIVER_TYPE_DATA_FIRST_COUNT_OFFSET + row * RECEIVER_TYPE_DATA_ROW_SIZE;
4439
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parents:
diff changeset
395 }
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parents:
diff changeset
396 }
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Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
397
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parents:
diff changeset
398 private static class TypeCheckData extends AbstractTypeData {
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parents:
diff changeset
399 private static final int RECEIVER_TYPE_DATA_TAG = 4;
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parents:
diff changeset
400
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parents:
diff changeset
401 public TypeCheckData() {
4444
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diff changeset
402 super(RECEIVER_TYPE_DATA_TAG);
4439
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parents:
diff changeset
403 }
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parents:
diff changeset
404
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parents:
diff changeset
405 @Override
4440
271220b49abc profiling info fixes
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parents: 4439
diff changeset
406 public int getExecutionCount(HotSpotMethodData data, int position) {
271220b49abc profiling info fixes
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parents: 4439
diff changeset
407 return -1;
4439
f7251c729b31 profiling info first try
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parents:
diff changeset
408 }
4456
f4c82dd4619e inlining bugfixes and cleanup
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4455
diff changeset
409
f4c82dd4619e inlining bugfixes and cleanup
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4455
diff changeset
410 @Override
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parents: 4455
diff changeset
411 protected long getTypesNotRecordedExecutionCount(HotSpotMethodData data, int position) {
f4c82dd4619e inlining bugfixes and cleanup
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parents: 4455
diff changeset
412 // TODO (ch) if types do not fit, profiling is skipped for typechecks
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parents: 4455
diff changeset
413 return 0;
f4c82dd4619e inlining bugfixes and cleanup
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parents: 4455
diff changeset
414 }
4439
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parents:
diff changeset
415 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
416
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
417 private static class VirtualCallData extends AbstractTypeData {
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
418 private static final int VIRTUAL_CALL_DATA_TAG = 5;
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parents:
diff changeset
419
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parents:
diff changeset
420 public VirtualCallData() {
4444
7d9469b37f1f bugfixes
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parents: 4441
diff changeset
421 super(VIRTUAL_CALL_DATA_TAG);
4439
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parents:
diff changeset
422 }
f7251c729b31 profiling info first try
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parents:
diff changeset
423
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
424 @Override
4440
271220b49abc profiling info fixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4439
diff changeset
425 public int getExecutionCount(HotSpotMethodData data, int position) {
4439
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parents:
diff changeset
426 int typeProfileWidth = config.typeProfileWidth;
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parents:
diff changeset
427
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parents:
diff changeset
428 long total = 0;
f7251c729b31 profiling info first try
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parents:
diff changeset
429 for (int i = 0; i < typeProfileWidth; i++) {
f7251c729b31 profiling info first try
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parents:
diff changeset
430 total += data.readUnsignedInt(position, getCountOffset(i));
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parents:
diff changeset
431 }
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parents:
diff changeset
432
4440
271220b49abc profiling info fixes
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diff changeset
433 total += getCounterValue(data, position);
271220b49abc profiling info fixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4439
diff changeset
434 return truncateLongToInt(total);
4439
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parents:
diff changeset
435 }
4456
f4c82dd4619e inlining bugfixes and cleanup
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4455
diff changeset
436
f4c82dd4619e inlining bugfixes and cleanup
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4455
diff changeset
437 @Override
f4c82dd4619e inlining bugfixes and cleanup
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4455
diff changeset
438 protected long getTypesNotRecordedExecutionCount(HotSpotMethodData data, int position) {
f4c82dd4619e inlining bugfixes and cleanup
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4455
diff changeset
439 return getCounterValue(data, position);
f4c82dd4619e inlining bugfixes and cleanup
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4455
diff changeset
440 }
4439
f7251c729b31 profiling info first try
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parents:
diff changeset
441 }
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 private static class RetData extends CounterData {
f7251c729b31 profiling info first try
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parents:
diff changeset
444 private static final int RET_DATA_TAG = 6;
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
445 private static final int RET_DATA_ROW_SIZE = cellsToBytes(3);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
446 private static final int RET_DATA_SIZE = cellIndexToOffset(1) + RET_DATA_ROW_SIZE * config.bciProfileWidth;
4439
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parents:
diff changeset
447
f7251c729b31 profiling info first try
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parents:
diff changeset
448 public RetData() {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
449 super(RET_DATA_TAG, RET_DATA_SIZE);
4439
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parents:
diff changeset
450 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
451 }
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 private static class BranchData extends JumpData {
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
454 private static final int BRANCH_DATA_TAG = 7;
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
455 private static final int BRANCH_DATA_SIZE = cellIndexToOffset(3);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
456 private static final int NOT_TAKEN_COUNT_OFFSET = cellIndexToOffset(2);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
457 private static final int BRANCH_DATA_MATURE_COUNT = 40;
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
458
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
459 public BranchData() {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
460 super(BRANCH_DATA_TAG, BRANCH_DATA_SIZE);
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
461 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
462
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
463 @Override
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
464 public double getBranchTakenProbability(HotSpotMethodData data, int position) {
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
465 long takenCount = data.readUnsignedInt(position, TAKEN_COUNT_OFFSET);
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
466 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
467 long total = takenCount + notTakenCount;
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
468
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
469 if (total < BRANCH_DATA_MATURE_COUNT) {
4441
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
470 return -1;
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
471 } else {
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
472 return takenCount / (double) total;
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
473 }
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
474 }
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
475
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
476 @Override
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
477 public int getExecutionCount(HotSpotMethodData data, int position) {
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
478 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
479 return truncateLongToInt(count);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
480 }
4439
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
4447
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
483 private static class ArrayData extends AbstractMethodData {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
484 private static final int ARRAY_DATA_LENGTH_OFFSET = cellIndexToOffset(0);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
485 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
486
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
487 public ArrayData(int tag, int staticSize) {
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
488 super(tag, staticSize);
4439
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 @Override
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
492 protected int getDynamicSize(HotSpotMethodData data, int position) {
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
493 return cellsToBytes(getLength(data, position));
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
494 }
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 protected static int getLength(HotSpotMethodData data, int position) {
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
497 return data.readInt(position, ARRAY_DATA_LENGTH_OFFSET);
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
498 }
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
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
501 private static class MultiBranchData extends ArrayData {
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
502 private static final int MULTI_BRANCH_DATA_TAG = 8;
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
503 private static final int MULTI_BRANCH_DATA_SIZE = cellIndexToOffset(1);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
504 private static final int MULTI_BRANCH_DATA_ROW_SIZE_IN_CELLS = 2;
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
505 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
506 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
507 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
508
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
509 public MultiBranchData() {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
510 super(MULTI_BRANCH_DATA_TAG, MULTI_BRANCH_DATA_SIZE);
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
511 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
512
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
513 @Override
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
514 public double[] getSwitchProbabilities(HotSpotMethodData data, int position) {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
515 int arrayLength = getLength(data, position);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
516 assert arrayLength > 0 : "switch must have at least the default case";
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
517 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
518
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
519 int length = arrayLength / MULTI_BRANCH_DATA_ROW_SIZE_IN_CELLS;
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
520 long totalCount = 0;
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
521 double[] result = new double[length];
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
522
4447
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
523 // default case is first in HotSpot but last for the compiler
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
524 long count = readCount(data, position, 0);
4446
48756b901156 bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4444
diff changeset
525 totalCount += count;
48756b901156 bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4444
diff changeset
526 result[length - 1] = count;
48756b901156 bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4444
diff changeset
527
48756b901156 bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4444
diff changeset
528 for (int i = 1; i < length; i++) {
4447
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
529 count = readCount(data, position, i);
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
530 totalCount += count;
4446
48756b901156 bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4444
diff changeset
531 result[i - 1] = count;
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
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
534 if (totalCount < 10 * (length + 2)) {
4441
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
535 return null;
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
536 } else {
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
537 for (int i = 0; i < length; i++) {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
538 result[i] = result[i] / totalCount;
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
539 }
4441
4e3aaf14cbc6 fixed graal to hotspot
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4440
diff changeset
540 return result;
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
541 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
542 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
543
4447
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
544 private static long readCount(HotSpotMethodData data, int position, int i) {
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
545 int offset;
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
546 long count;
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
547 offset = getCountOffset(i);
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
548 count = data.readUnsignedInt(position, offset);
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
549 return count;
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
550 }
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4446
diff changeset
551
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
552 @Override
4440
271220b49abc profiling info fixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4439
diff changeset
553 public int getExecutionCount(HotSpotMethodData data, int position) {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
554 int arrayLength = getLength(data, position);
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
555 assert arrayLength > 0 : "switch must have at least the default case";
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
556 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
557
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
558 int length = arrayLength / MULTI_BRANCH_DATA_ROW_SIZE_IN_CELLS;
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
559 long totalCount = 0;
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
560 for (int i = 0; i < length; i++) {
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
561 int offset = getCountOffset(i);
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
562 totalCount += data.readUnsignedInt(position, offset);
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
563 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
564
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
565 return truncateLongToInt(totalCount);
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
566 }
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 private static int getCountOffset(int index) {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
569 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
570 }
4452
b225da954a32 inlining of multiple trival methods at one call site works
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4448
diff changeset
571
b225da954a32 inlining of multiple trival methods at one call site works
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4448
diff changeset
572 @SuppressWarnings("unused")
b225da954a32 inlining of multiple trival methods at one call site works
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4448
diff changeset
573 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
574 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
575 }
4439
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
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
578 private static class ArgInfoData extends ArrayData {
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
579 private static final int ARG_INFO_DATA_TAG = 9;
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
580 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
581
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
582 public ArgInfoData() {
4444
7d9469b37f1f bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4441
diff changeset
583 super(ARG_INFO_DATA_TAG, ARG_INFO_DATA_SIZE);
4439
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
584 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
585 }
f7251c729b31 profiling info first try
Christian Haeubl <christian.haeubl@oracle.com>
parents:
diff changeset
586 }