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annotate graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/alloc/LinearScan.java @ 13340:9423a38d6437

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added rematerialization of constants in LinearScan, but still disabled
author Erik Eckstein <erik.eckstein@oracle.com>
date Fri, 13 Dec 2013 08:38:52 +0100
parents 3603fab248a6
children 3ce69f7364a7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2009, 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.compiler.alloc;
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24
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25 import static com.oracle.graal.api.code.CodeUtil.*;
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26 import static com.oracle.graal.api.code.ValueUtil.*;
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27 import static com.oracle.graal.compiler.GraalDebugConfig.*;
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28 import static com.oracle.graal.lir.LIRValueUtil.*;
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29
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30 import java.util.*;
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31
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32 import com.oracle.graal.alloc.*;
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33 import com.oracle.graal.api.code.*;
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34 import com.oracle.graal.api.meta.*;
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35 import com.oracle.graal.compiler.alloc.Interval.RegisterBinding;
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36 import com.oracle.graal.compiler.alloc.Interval.RegisterPriority;
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37 import com.oracle.graal.compiler.alloc.Interval.SpillState;
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38 import com.oracle.graal.compiler.gen.*;
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39 import com.oracle.graal.debug.*;
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40 import com.oracle.graal.debug.Debug.Scope;
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41 import com.oracle.graal.graph.*;
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42 import com.oracle.graal.lir.*;
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43 import com.oracle.graal.lir.LIRInstruction.OperandFlag;
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44 import com.oracle.graal.lir.LIRInstruction.OperandMode;
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45 import com.oracle.graal.lir.LIRInstruction.StateProcedure;
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46 import com.oracle.graal.lir.LIRInstruction.ValueProcedure;
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47 import com.oracle.graal.lir.StandardOp.MoveOp;
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48 import com.oracle.graal.nodes.cfg.*;
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49 import com.oracle.graal.options.*;
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50 import com.oracle.graal.phases.util.*;
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51
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52 /**
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53 * An implementation of the linear scan register allocator algorithm described in <a
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54 * href="http://doi.acm.org/10.1145/1064979.1064998"
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55 * >"Optimized Interval Splitting in a Linear Scan Register Allocator"</a> by Christian Wimmer and
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56 * Hanspeter Moessenboeck.
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57 */
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58 public final class LinearScan {
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59
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60 static class Options {
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61 // @formatter:off
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62 @Option(help = "The trace level for the linear scan register allocator")
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63 public static final OptionValue<Integer> TraceLinearScanLevel = new OptionValue<>(0);
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64 // @formatter:on
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65 }
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66
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67 final TargetDescription target;
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68 final LIR ir;
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69 final LIRGenerator gen;
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70 final FrameMap frameMap;
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71 final RegisterAttributes[] registerAttributes;
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72 final Register[] registers;
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73
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74 boolean callKillsRegisters;
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75
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76 private static final int INITIAL_SPLIT_INTERVALS_CAPACITY = 32;
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77
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78 public static class BlockData {
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79
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80 /**
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81 * Bit map specifying which operands are live upon entry to this block. These are values
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82 * used in this block or any of its successors where such value are not defined in this
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83 * block. The bit index of an operand is its {@linkplain LinearScan#operandNumber(Value)
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84 * operand number}.
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85 */
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86 public BitSet liveIn;
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87
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88 /**
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89 * Bit map specifying which operands are live upon exit from this block. These are values
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90 * used in a successor block that are either defined in this block or were live upon entry
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91 * to this block. The bit index of an operand is its
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92 * {@linkplain LinearScan#operandNumber(Value) operand number}.
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93 */
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94 public BitSet liveOut;
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95
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96 /**
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97 * Bit map specifying which operands are used (before being defined) in this block. That is,
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98 * these are the values that are live upon entry to the block. The bit index of an operand
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99 * is its {@linkplain LinearScan#operandNumber(Value) operand number}.
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100 */
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101 public BitSet liveGen;
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102
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103 /**
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104 * Bit map specifying which operands are defined/overwritten in this block. The bit index of
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105 * an operand is its {@linkplain LinearScan#operandNumber(Value) operand number}.
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106 */
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107 public BitSet liveKill;
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108 }
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109
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110 public final BlockMap<BlockData> blockData;
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111
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112 /**
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113 * List of blocks in linear-scan order. This is only correct as long as the CFG does not change.
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114 */
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115 final List<Block> sortedBlocks;
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116
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117 /**
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118 * Map from {@linkplain #operandNumber(Value) operand numbers} to intervals.
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119 */
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120 Interval[] intervals;
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121
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122 /**
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123 * The number of valid entries in {@link #intervals}.
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124 */
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125 int intervalsSize;
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126
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127 /**
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128 * The index of the first entry in {@link #intervals} for a
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129 * {@linkplain #createDerivedInterval(Interval) derived interval}.
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130 */
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131 int firstDerivedIntervalIndex = -1;
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132
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133 /**
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134 * Intervals sorted by {@link Interval#from()}.
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135 */
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136 Interval[] sortedIntervals;
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137
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138 /**
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139 * Map from an instruction {@linkplain LIRInstruction#id id} to the instruction. Entries should
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140 * be retrieved with {@link #instructionForId(int)} as the id is not simply an index into this
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141 * array.
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142 */
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143 LIRInstruction[] opIdToInstructionMap;
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144
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145 /**
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146 * Map from an instruction {@linkplain LIRInstruction#id id} to the {@linkplain Block block}
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147 * containing the instruction. Entries should be retrieved with {@link #blockForId(int)} as the
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148 * id is not simply an index into this array.
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149 */
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150 Block[] opIdToBlockMap;
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151
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152 /**
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153 * Bit set for each variable that is contained in each loop.
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154 */
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155 BitMap2D intervalInLoop;
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156
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157 /**
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158 * The variable operands allocated from this pool. The {@linkplain #operandNumber(Value) number}
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159 * of the first variable operand in this pool is one greater than the number of the last
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160 * register operand in the pool.
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161 */
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162 private final ArrayList<Variable> variables;
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163
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164 /**
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165 * The {@linkplain #operandNumber(Value) number} of the first variable operand allocated.
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166 */
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167 private final int firstVariableNumber;
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168
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169 private final int traceLevel;
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170
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171 public LinearScan(TargetDescription target, LIR ir, LIRGenerator gen, FrameMap frameMap) {
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172 this.target = target;
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173 this.ir = ir;
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174 this.gen = gen;
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175 this.frameMap = frameMap;
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176 this.sortedBlocks = ir.linearScanOrder();
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177 this.registerAttributes = frameMap.registerConfig.getAttributesMap();
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178
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179 this.registers = target.arch.getRegisters();
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180 this.firstVariableNumber = registers.length;
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181 this.variables = new ArrayList<>(ir.numVariables() * 3 / 2);
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182 this.blockData = new BlockMap<>(ir.cfg);
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183 traceLevel = Options.TraceLinearScanLevel.getValue();
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184 }
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185
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186 int getTraceLevel() {
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187 return traceLevel;
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188 }
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189
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190 public int getFirstLirInstructionId(Block block) {
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191 int result = ir.lir(block).get(0).id();
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192 assert result >= 0;
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193 return result;
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194 }
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195
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196 public int getLastLirInstructionId(Block block) {
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197 List<LIRInstruction> instructions = ir.lir(block);
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198 int result = instructions.get(instructions.size() - 1).id();
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199 assert result >= 0;
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200 return result;
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201 }
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202
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203 public static boolean isVariableOrRegister(Value value) {
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204 return isVariable(value) || isRegister(value);
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205 }
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206
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207 /**
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208 * Converts an operand (variable or register) to an index in a flat address space covering all
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209 * the {@linkplain Variable variables} and {@linkplain RegisterValue registers} being processed
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210 * by this allocator.
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211 */
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212 private int operandNumber(Value operand) {
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213 if (isRegister(operand)) {
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214 int number = asRegister(operand).number;
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215 assert number < firstVariableNumber;
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216 return number;
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217 }
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218 assert isVariable(operand) : operand;
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219 return firstVariableNumber + ((Variable) operand).index;
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220 }
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221
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222 /**
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223 * Gets the operand denoted by a given operand number.
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224 */
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225 private AllocatableValue operandFor(int operandNumber) {
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226 if (operandNumber < firstVariableNumber) {
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227 assert operandNumber >= 0;
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228 return registers[operandNumber].asValue();
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229 }
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230 int index = operandNumber - firstVariableNumber;
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231 Variable variable = variables.get(index);
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232 assert variable.index == index;
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233 return variable;
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234 }
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235
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236 /**
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237 * Gets the number of operands. This value will increase by 1 for new variable.
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238 */
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239 private int operandSize() {
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240 return firstVariableNumber + ir.numVariables();
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241 }
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242
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243 /**
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244 * Gets the highest operand number for a register operand. This value will never change.
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245 */
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246 public int maxRegisterNumber() {
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247 return firstVariableNumber - 1;
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248 }
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249
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250 static final IntervalPredicate IS_PRECOLORED_INTERVAL = new IntervalPredicate() {
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251
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252 @Override
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253 public boolean apply(Interval i) {
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254 return isRegister(i.operand);
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255 }
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256 };
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257
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258 static final IntervalPredicate IS_VARIABLE_INTERVAL = new IntervalPredicate() {
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259
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260 @Override
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261 public boolean apply(Interval i) {
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diff changeset
262 return isVariable(i.operand);
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263 }
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264 };
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265
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diff changeset
266 static final IntervalPredicate IS_STACK_INTERVAL = new IntervalPredicate() {
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267
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parents:
diff changeset
268 @Override
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diff changeset
269 public boolean apply(Interval i) {
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
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parents: 13339
diff changeset
270 return !isRegister(i.operand);
3733
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parents:
diff changeset
271 }
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parents:
diff changeset
272 };
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parents:
diff changeset
273
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parents:
diff changeset
274 /**
7530
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diff changeset
275 * Gets an object describing the attributes of a given register according to this register
5e3d1a68664e applied mx eclipseformat to all Java files
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parents: 7512
diff changeset
276 * configuration.
3733
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277 */
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5542
diff changeset
278 RegisterAttributes attributes(Register reg) {
3733
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diff changeset
279 return registerAttributes[reg.number];
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parents:
diff changeset
280 }
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281
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parents:
diff changeset
282 void assignSpillSlot(Interval interval) {
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
283 // assign the canonical spill slot of the parent (if a part of the interval
e233f5660da4 Added Java files from Maxine project.
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diff changeset
284 // is already spilled) or allocate a new spill slot
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
285 if (interval.canMaterialize()) {
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
286 interval.assignLocation(Value.ILLEGAL);
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
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parents: 13339
diff changeset
287 } else if (interval.spillSlot() != null) {
3733
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diff changeset
288 interval.assignLocation(interval.spillSlot());
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diff changeset
289 } else {
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5542
diff changeset
290 StackSlot slot = frameMap.allocateSpillSlot(interval.kind());
3733
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diff changeset
291 interval.setSpillSlot(slot);
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diff changeset
292 interval.assignLocation(slot);
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parents:
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293 }
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294 }
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295
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parents:
diff changeset
296 /**
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297 * Creates a new interval.
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diff changeset
298 *
3733
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299 * @param operand the operand for the interval
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300 * @return the created interval
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301 */
9297
a5f2b9012865 Interval locations can only be AllocatableValues.
Roland Schatz <roland.schatz@oracle.com>
parents: 8402
diff changeset
302 Interval createInterval(AllocatableValue operand) {
4183
9e0c1b4cfef5 Move all isXxx and asXxx out of CiValue and into their own util class.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4181
diff changeset
303 assert isLegal(operand);
3733
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diff changeset
304 int operandNumber = operandNumber(operand);
4352
5a84f5548fc4 More work on new debug infrastructure.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 4350
diff changeset
305 Interval interval = new Interval(operand, operandNumber);
3733
e233f5660da4 Added Java files from Maxine project.
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diff changeset
306 assert operandNumber < intervalsSize;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
307 assert intervals[operandNumber] == null;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
308 intervals[operandNumber] = interval;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
309 return interval;
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
310 }
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parents:
diff changeset
311
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
312 /**
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
313 * Creates an interval as a result of splitting or spilling another interval.
7530
5e3d1a68664e applied mx eclipseformat to all Java files
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diff changeset
314 *
3733
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diff changeset
315 * @param source an interval being split of spilled
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
316 * @return a new interval derived from {@code source}
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
317 */
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
318 Interval createDerivedInterval(Interval source) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
319 if (firstDerivedIntervalIndex == -1) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
320 firstDerivedIntervalIndex = intervalsSize;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
321 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
322 if (intervalsSize == intervals.length) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
323 intervals = Arrays.copyOf(intervals, intervals.length * 2);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
324 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
325 intervalsSize++;
9425
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9422
diff changeset
326 Variable variable = new Variable(source.kind(), ir.nextVariable());
4206
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
327 assert variables.size() == variable.index;
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
328 variables.add(variable);
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
329
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
330 Interval interval = createInterval(variable);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
331 assert intervals[intervalsSize - 1] == interval;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
332 return interval;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
333 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
334
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
335 // access to block list (sorted in linear scan order)
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
336 int blockCount() {
7501
799dd373fcb6 Remove caching of sorted blocks in LSRA.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7499
diff changeset
337 return sortedBlocks.size();
3733
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
338 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
339
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
340 Block blockAt(int index) {
7501
799dd373fcb6 Remove caching of sorted blocks in LSRA.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7499
diff changeset
341 return sortedBlocks.get(index);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
342 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
343
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
344 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
345 * Gets the size of the {@link BlockData#liveIn} and {@link BlockData#liveOut} sets for a basic
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
346 * block. These sets do not include any operands allocated as a result of creating
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
347 * {@linkplain #createDerivedInterval(Interval) derived intervals}.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
348 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
349 int liveSetSize() {
4206
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
350 return firstDerivedIntervalIndex == -1 ? operandSize() : firstDerivedIntervalIndex;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
351 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
352
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
353 int numLoops() {
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
354 return ir.cfg.getLoops().length;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
355 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
356
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
357 boolean isIntervalInLoop(int interval, int loop) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
358 return intervalInLoop.at(interval, loop);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
359 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
360
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
361 Interval intervalFor(Value operand) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
362 int operandNumber = operandNumber(operand);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
363 assert operandNumber < intervalsSize;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
364 return intervals[operandNumber];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
365 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
366
9297
a5f2b9012865 Interval locations can only be AllocatableValues.
Roland Schatz <roland.schatz@oracle.com>
parents: 8402
diff changeset
367 Interval getOrCreateInterval(AllocatableValue operand) {
8220
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
368 Interval ret = intervalFor(operand);
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
369 if (ret == null) {
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
370 return createInterval(operand);
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
371 } else {
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
372 return ret;
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
373 }
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
374 }
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
375
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
376 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
377 * Gets the highest instruction id allocated by this object.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
378 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
379 int maxOpId() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
380 assert opIdToInstructionMap.length > 0 : "no operations";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
381 return (opIdToInstructionMap.length - 1) << 1;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
382 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
383
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
384 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
385 * Converts an {@linkplain LIRInstruction#id instruction id} to an instruction index. All LIR
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
386 * instructions in a method have an index one greater than their linear-scan order predecesor
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
387 * with the first instruction having an index of 0.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
388 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
389 static int opIdToIndex(int opId) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
390 return opId >> 1;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
391 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
392
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
393 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
394 * Retrieves the {@link LIRInstruction} based on its {@linkplain LIRInstruction#id id}.
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
395 *
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
396 * @param opId an instruction {@linkplain LIRInstruction#id id}
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
397 * @return the instruction whose {@linkplain LIRInstruction#id} {@code == id}
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
398 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
399 LIRInstruction instructionForId(int opId) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
400 assert isEven(opId) : "opId not even";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
401 LIRInstruction instr = opIdToInstructionMap[opIdToIndex(opId)];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
402 assert instr.id() == opId;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
403 return instr;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
404 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
405
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
406 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
407 * Gets the block containing a given instruction.
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
408 *
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
409 * @param opId an instruction {@linkplain LIRInstruction#id id}
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
410 * @return the block containing the instruction denoted by {@code opId}
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
411 */
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
412 Block blockForId(int opId) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
413 assert opIdToBlockMap.length > 0 && opId >= 0 && opId <= maxOpId() + 1 : "opId out of range";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
414 return opIdToBlockMap[opIdToIndex(opId)];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
415 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
416
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
417 boolean isBlockBegin(int opId) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
418 return opId == 0 || blockForId(opId) != blockForId(opId - 1);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
419 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
420
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
421 boolean coversBlockBegin(int opId1, int opId2) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
422 return blockForId(opId1) != blockForId(opId2);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
423 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
424
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
425 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
426 * Determines if an {@link LIRInstruction} destroys all caller saved registers.
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
427 *
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
428 * @param opId an instruction {@linkplain LIRInstruction#id id}
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
429 * @return {@code true} if the instruction denoted by {@code id} destroys all caller saved
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
430 * registers.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
431 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
432 boolean hasCall(int opId) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
433 assert isEven(opId) : "opId not even";
9454
85a836bcd796 renaming for improved clarity: hasCall -> destroysCallerSavedRegisters
Doug Simon <doug.simon@oracle.com>
parents: 9425
diff changeset
434 return instructionForId(opId).destroysCallerSavedRegisters();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
435 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
436
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
437 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
438 * Eliminates moves from register to stack if the stack slot is known to be correct.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
439 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
440 void changeSpillDefinitionPos(Interval interval, int defPos) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
441 assert interval.isSplitParent() : "can only be called for split parents";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
442
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
443 switch (interval.spillState()) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
444 case NoDefinitionFound:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
445 assert interval.spillDefinitionPos() == -1 : "must no be set before";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
446 interval.setSpillDefinitionPos(defPos);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
447 interval.setSpillState(SpillState.NoSpillStore);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
448 break;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
449
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
450 case NoSpillStore:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
451 assert defPos <= interval.spillDefinitionPos() : "positions are processed in reverse order when intervals are created";
6462
b3f5dc099f9d removed XIR
Doug Simon <doug.simon@oracle.com>
parents: 6411
diff changeset
452 if (defPos < interval.spillDefinitionPos() - 2) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
453 // second definition found, so no spill optimization possible for this interval
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
454 interval.setSpillState(SpillState.NoOptimization);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
455 } else {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
456 // two consecutive definitions (because of two-operand LIR form)
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
457 assert blockForId(defPos) == blockForId(interval.spillDefinitionPos()) : "block must be equal";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
458 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
459 break;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
460
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
461 case NoOptimization:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
462 // nothing to do
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
463 break;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
464
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
465 default:
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5542
diff changeset
466 throw new BailoutException("other states not allowed at this time");
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
467 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
468 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
469
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
470 // called during register allocation
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
471 void changeSpillState(Interval interval, int spillPos) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
472 switch (interval.spillState()) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
473 case NoSpillStore: {
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
474 int defLoopDepth = blockForId(interval.spillDefinitionPos()).getLoopDepth();
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
475 int spillLoopDepth = blockForId(spillPos).getLoopDepth();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
476
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
477 if (defLoopDepth < spillLoopDepth) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
478 // the loop depth of the spilling position is higher then the loop depth
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
479 // at the definition of the interval . move write to memory out of loop
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
480 // by storing at definitin of the interval
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
481 interval.setSpillState(SpillState.StoreAtDefinition);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
482 } else {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
483 // the interval is currently spilled only once, so for now there is no
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
484 // reason to store the interval at the definition
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
485 interval.setSpillState(SpillState.OneSpillStore);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
486 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
487 break;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
488 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
489
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
490 case OneSpillStore: {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
491 // the interval is spilled more then once, so it is better to store it to
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
492 // memory at the definition
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
493 interval.setSpillState(SpillState.StoreAtDefinition);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
494 break;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
495 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
496
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
497 case StoreAtDefinition:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
498 case StartInMemory:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
499 case NoOptimization:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
500 case NoDefinitionFound:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
501 // nothing to do
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
502 break;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
503
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
504 default:
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5542
diff changeset
505 throw new BailoutException("other states not allowed at this time");
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
506 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
507 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
508
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
509 abstract static class IntervalPredicate {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
510
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
511 abstract boolean apply(Interval i);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
512 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
513
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
514 private static final IntervalPredicate mustStoreAtDefinition = new IntervalPredicate() {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
515
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
516 @Override
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
517 public boolean apply(Interval i) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
518 return i.isSplitParent() && i.spillState() == SpillState.StoreAtDefinition;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
519 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
520 };
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
521
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
522 // called once before assignment of register numbers
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
523 void eliminateSpillMoves() {
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
524 Indent indent = Debug.logAndIndent("Eliminating unnecessary spill moves");
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
525
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
526 // collect all intervals that must be stored after their definition.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
527 // the list is sorted by Interval.spillDefinitionPos
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
528 Interval interval;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
529 interval = createUnhandledLists(mustStoreAtDefinition, null).first;
9855
6898d8995866 converted more options from GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 9632
diff changeset
530 if (DetailedAsserts.getValue()) {
12726
a95336e46474 made LinearScan.checkIntervals non-static
Doug Simon <doug.simon@oracle.com>
parents: 12683
diff changeset
531 checkIntervals(interval);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
532 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
533
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
534 LIRInsertionBuffer insertionBuffer = new LIRInsertionBuffer();
7501
799dd373fcb6 Remove caching of sorted blocks in LSRA.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7499
diff changeset
535 for (Block block : sortedBlocks) {
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents: 6352
diff changeset
536 List<LIRInstruction> instructions = ir.lir(block);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
537 int numInst = instructions.size();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
538
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
539 // iterate all instructions of the block. skip the first because it is always a label
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
540 for (int j = 1; j < numInst; j++) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
541 LIRInstruction op = instructions.get(j);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
542 int opId = op.id();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
543
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
544 if (opId == -1) {
4323
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
545 MoveOp move = (MoveOp) op;
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
546 // remove move from register to stack if the stack slot is guaranteed to be
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
547 // correct.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
548 // only moves that have been inserted by LinearScan can be removed.
4323
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
549 assert isVariable(move.getResult()) : "LinearScan inserts only moves to variables";
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
550
4323
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
551 Interval curInterval = intervalFor(move.getResult());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
552
4183
9e0c1b4cfef5 Move all isXxx and asXxx out of CiValue and into their own util class.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4181
diff changeset
553 if (!isRegister(curInterval.location()) && curInterval.alwaysInMemory()) {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
554 // move target is a stack slot that is always correct, so eliminate
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
555 // instruction
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
556 indent.log("eliminating move from interval %d to %d", operandNumber(move.getInput()), operandNumber(move.getResult()));
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
557 instructions.set(j, null); // null-instructions are deleted by assignRegNum
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
558 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
559
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
560 } else {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
561 // insert move from register to stack just after the beginning of the interval
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
562 assert interval == Interval.EndMarker || interval.spillDefinitionPos() >= opId : "invalid order";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
563 assert interval == Interval.EndMarker || (interval.isSplitParent() && interval.spillState() == SpillState.StoreAtDefinition) : "invalid interval";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
564
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
565 while (interval != Interval.EndMarker && interval.spillDefinitionPos() == opId) {
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
566 if (!interval.canMaterialize()) {
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
567 if (!insertionBuffer.initialized()) {
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
568 // prepare insertion buffer (appended when all instructions of the
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
569 // block are processed)
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
570 insertionBuffer.init(instructions);
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
571 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
572
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
573 AllocatableValue fromLocation = interval.location();
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
574 AllocatableValue toLocation = canonicalSpillOpr(interval);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
575
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
576 assert isRegister(fromLocation) : "from operand must be a register but is: " + fromLocation + " toLocation=" + toLocation + " spillState=" + interval.spillState();
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
577 assert isStackSlot(toLocation) : "to operand must be a stack slot";
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
578
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
579 insertionBuffer.append(j + 1, ir.spillMoveFactory.createMove(toLocation, fromLocation));
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
580
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
581 indent.log("inserting move after definition of interval %d to stack slot %s at opId %d", interval.operandNumber, interval.spillSlot(), opId);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
582 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
583 interval = interval.next;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
584 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
585 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
586 } // end of instruction iteration
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
587
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
588 if (insertionBuffer.initialized()) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
589 insertionBuffer.finish();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
590 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
591 } // end of block iteration
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
592
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
593 assert interval == Interval.EndMarker : "missed an interval";
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
594 indent.outdent();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
595 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
596
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
597 private static void checkIntervals(Interval interval) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
598 Interval prev = null;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
599 Interval temp = interval;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
600 while (temp != Interval.EndMarker) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
601 assert temp.spillDefinitionPos() > 0 : "invalid spill definition pos";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
602 if (prev != null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
603 assert temp.from() >= prev.from() : "intervals not sorted";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
604 assert temp.spillDefinitionPos() >= prev.spillDefinitionPos() : "when intervals are sorted by from : then they must also be sorted by spillDefinitionPos";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
605 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
606
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
607 assert temp.spillSlot() != null || temp.canMaterialize() : "interval has no spill slot assigned";
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
608 assert temp.spillDefinitionPos() >= temp.from() : "invalid order";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
609 assert temp.spillDefinitionPos() <= temp.from() + 2 : "only intervals defined once at their start-pos can be optimized";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
610
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
611 Debug.log("interval %d (from %d to %d) must be stored at %d", temp.operandNumber, temp.from(), temp.to(), temp.spillDefinitionPos());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
612
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
613 prev = temp;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
614 temp = temp.next;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
615 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
616 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
617
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
618 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
619 * Numbers all instructions in all blocks. The numbering follows the
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
620 * {@linkplain ComputeBlockOrder linear scan order}.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
621 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
622 void numberInstructions() {
4206
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
623 ValueProcedure setVariableProc = new ValueProcedure() {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
624
4206
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
625 @Override
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
626 public Value doValue(Value value) {
4206
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
627 if (isVariable(value)) {
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
628 int variableIdx = asVariable(value).index;
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
629 while (variables.size() <= variableIdx) {
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
630 variables.add(null);
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
631 }
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
632 variables.set(variableIdx, asVariable(value));
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
633 }
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
634 return value;
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
635 }
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
636 };
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
637
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
638 // Assign IDs to LIR nodes and build a mapping, lirOps, from ID to LIRInstruction node.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
639 int numInstructions = 0;
7501
799dd373fcb6 Remove caching of sorted blocks in LSRA.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7499
diff changeset
640 for (Block block : sortedBlocks) {
799dd373fcb6 Remove caching of sorted blocks in LSRA.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7499
diff changeset
641 numInstructions += ir.lir(block).size();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
642 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
643
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
644 // initialize with correct length
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
645 opIdToInstructionMap = new LIRInstruction[numInstructions];
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
646 opIdToBlockMap = new Block[numInstructions];
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
647
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
648 int opId = 0;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
649 int index = 0;
7501
799dd373fcb6 Remove caching of sorted blocks in LSRA.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7499
diff changeset
650 for (Block block : sortedBlocks) {
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
651 blockData.put(block, new BlockData());
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
652
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents: 6352
diff changeset
653 List<LIRInstruction> instructions = ir.lir(block);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
654
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
655 int numInst = instructions.size();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
656 for (int j = 0; j < numInst; j++) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
657 LIRInstruction op = instructions.get(j);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
658 op.setId(opId);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
659
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
660 opIdToInstructionMap[index] = op;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
661 opIdToBlockMap[index] = block;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
662 assert instructionForId(opId) == op : "must match";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
663
4206
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
664 op.forEachTemp(setVariableProc);
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
665 op.forEachOutput(setVariableProc);
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
666
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
667 index++;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
668 opId += 2; // numbering of lirOps by two
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
669 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
670 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
671 assert index == numInstructions : "must match";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
672 assert (index << 1) == opId : "must match: " + (index << 1);
4206
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
673
9855
6898d8995866 converted more options from GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 9632
diff changeset
674 if (DetailedAsserts.getValue()) {
4206
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
675 for (int i = 0; i < variables.size(); i++) {
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
676 assert variables.get(i) != null && variables.get(i).index == i;
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
677 }
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
678 assert variables.size() == ir.numVariables();
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
679 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
680 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
681
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
682 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
683 * Computes local live sets (i.e. {@link BlockData#liveGen} and {@link BlockData#liveKill})
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
684 * separately for each block.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
685 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
686 void computeLocalLiveSets() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
687 int liveSize = liveSetSize();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
688
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
689 intervalInLoop = new BitMap2D(operandSize(), numLoops());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
690
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
691 // iterate all blocks
7501
799dd373fcb6 Remove caching of sorted blocks in LSRA.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7499
diff changeset
692 for (final Block block : sortedBlocks) {
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
693 Indent indent = Debug.logAndIndent("compute local live sets for block %d", block.getId());
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
694
5541
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
695 final BitSet liveGen = new BitSet(liveSize);
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
696 final BitSet liveKill = new BitSet(liveSize);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
697
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents: 6352
diff changeset
698 List<LIRInstruction> instructions = ir.lir(block);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
699 int numInst = instructions.size();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
700
11537
7ce08e264abf Fixed registers that flow into a block need to be inputs of the LabelOp, otherwise the register allocator can insert spill moves before the definition of a fixed register.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 10961
diff changeset
701 // iterate all instructions of the block
7ce08e264abf Fixed registers that flow into a block need to be inputs of the LabelOp, otherwise the register allocator can insert spill moves before the definition of a fixed register.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 10961
diff changeset
702 for (int j = 0; j < numInst; j++) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
703 final LIRInstruction op = instructions.get(j);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
704
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
705 ValueProcedure useProc = new ValueProcedure() {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
706
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
707 @Override
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
708 protected Value doValue(Value operand) {
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
709 if (isVariable(operand)) {
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
710 int operandNum = operandNumber(operand);
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
711 if (!liveKill.get(operandNum)) {
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
712 liveGen.set(operandNum);
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
713 Debug.log("liveGen for operand %d", operandNum);
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
714 }
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
715 if (block.getLoop() != null) {
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
716 intervalInLoop.setBit(operandNum, block.getLoop().index);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
717 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
718 }
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
719
9855
6898d8995866 converted more options from GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 9632
diff changeset
720 if (DetailedAsserts.getValue()) {
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
721 verifyInput(block, liveKill, operand);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
722 }
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
723 return operand;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
724 }
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
725 };
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
726 ValueProcedure stateProc = new ValueProcedure() {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
727
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
728 @Override
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
729 public Value doValue(Value operand) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
730 int operandNum = operandNumber(operand);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
731 if (!liveKill.get(operandNum)) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
732 liveGen.set(operandNum);
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
733 Debug.log("liveGen in state for operand %d", operandNum);
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
734 }
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
735 return operand;
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
736 }
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
737 };
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
738 ValueProcedure defProc = new ValueProcedure() {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
739
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
740 @Override
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
741 public Value doValue(Value operand) {
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
742 if (isVariable(operand)) {
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
743 int varNum = operandNumber(operand);
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
744 liveKill.set(varNum);
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
745 Debug.log("liveKill for operand %d", varNum);
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
746 if (block.getLoop() != null) {
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
747 intervalInLoop.setBit(varNum, block.getLoop().index);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
748 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
749 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
750
9855
6898d8995866 converted more options from GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 9632
diff changeset
751 if (DetailedAsserts.getValue()) {
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
752 // fixed intervals are never live at block boundaries, so
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
753 // they need not be processed in live sets
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
754 // process them only in debug mode so that this can be checked
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
755 verifyTemp(liveKill, operand);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
756 }
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
757 return operand;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
758 }
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
759 };
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
760
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
761 Indent indent2 = indent.logAndIndent("handle op %d", op.id());
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
762 op.forEachInput(useProc);
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
763 op.forEachAlive(useProc);
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
764 // Add uses of live locals from interpreter's point of view for proper debug
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
765 // information generation
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
766 op.forEachState(stateProc);
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
767 op.forEachTemp(defProc);
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
768 op.forEachOutput(defProc);
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
769 indent2.outdent();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
770 } // end of instruction iteration
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
771
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
772 BlockData blockSets = blockData.get(block);
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
773 blockSets.liveGen = liveGen;
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
774 blockSets.liveKill = liveKill;
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
775 blockSets.liveIn = new BitSet(liveSize);
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
776 blockSets.liveOut = new BitSet(liveSize);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
777
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
778 indent.log("liveGen B%d %s", block.getId(), blockSets.liveGen);
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
779 indent.log("liveKill B%d %s", block.getId(), blockSets.liveKill);
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
780
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
781 indent.outdent();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
782 } // end of block iteration
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
783 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
784
5541
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
785 private void verifyTemp(BitSet liveKill, Value operand) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
786 // fixed intervals are never live at block boundaries, so
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
787 // they need not be processed in live sets
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
788 // process them only in debug mode so that this can be checked
4183
9e0c1b4cfef5 Move all isXxx and asXxx out of CiValue and into their own util class.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4181
diff changeset
789 if (isRegister(operand)) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
790 if (isProcessed(operand)) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
791 liveKill.set(operandNumber(operand));
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
792 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
793 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
794 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
795
5541
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
796 private void verifyInput(Block block, BitSet liveKill, Value operand) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
797 // fixed intervals are never live at block boundaries, so
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
798 // they need not be processed in live sets.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
799 // this is checked by these assertions to be sure about it.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
800 // the entry block may have incoming
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
801 // values in registers, which is ok.
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
802 if (isRegister(operand) && block != ir.cfg.getStartBlock()) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
803 if (isProcessed(operand)) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
804 assert liveKill.get(operandNumber(operand)) : "using fixed register that is not defined in this block";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
805 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
806 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
807 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
808
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
809 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
810 * Performs a backward dataflow analysis to compute global live sets (i.e.
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
811 * {@link BlockData#liveIn} and {@link BlockData#liveOut}) for each block.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
812 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
813 void computeGlobalLiveSets() {
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
814 Indent indent = Debug.logAndIndent("compute global live sets");
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
815 int numBlocks = blockCount();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
816 boolean changeOccurred;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
817 boolean changeOccurredInBlock;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
818 int iterationCount = 0;
5541
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
819 BitSet liveOut = new BitSet(liveSetSize()); // scratch set for calculations
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
820
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
821 // Perform a backward dataflow analysis to compute liveOut and liveIn for each block.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
822 // The loop is executed until a fixpoint is reached (no changes in an iteration)
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
823 do {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
824 changeOccurred = false;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
825
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
826 Indent indent2 = indent.logAndIndent("new iteration %d", iterationCount);
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
827
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
828 // iterate all blocks in reverse order
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
829 for (int i = numBlocks - 1; i >= 0; i--) {
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
830 Block block = blockAt(i);
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
831 BlockData blockSets = blockData.get(block);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
832
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
833 changeOccurredInBlock = false;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
834
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
835 // liveOut(block) is the union of liveIn(sux), for successors sux of block
7497
0f8c6dbf68be Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6582
diff changeset
836 int n = block.getSuccessorCount();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
837 if (n > 0) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
838 // block has successors
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
839 if (n > 0) {
5541
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
840 liveOut.clear();
7498
600f7bad141c Small clean up of the Block class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7497
diff changeset
841 for (Block successor : block.getSuccessors()) {
600f7bad141c Small clean up of the Block class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7497
diff changeset
842 liveOut.or(blockData.get(successor).liveIn);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
843 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
844 } else {
5541
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
845 liveOut.clear();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
846 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
847
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
848 if (!blockSets.liveOut.equals(liveOut)) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
849 // A change occurred. Swap the old and new live out sets to avoid copying.
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
850 BitSet temp = blockSets.liveOut;
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
851 blockSets.liveOut = liveOut;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
852 liveOut = temp;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
853
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
854 changeOccurred = true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
855 changeOccurredInBlock = true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
856 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
857 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
858
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
859 if (iterationCount == 0 || changeOccurredInBlock) {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
860 // liveIn(block) is the union of liveGen(block) with (liveOut(block) &
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
861 // !liveKill(block))
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
862 // note: liveIn has to be computed only in first iteration or if liveOut has
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
863 // changed!
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
864 BitSet liveIn = blockSets.liveIn;
5541
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
865 liveIn.clear();
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
866 liveIn.or(blockSets.liveOut);
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
867 liveIn.andNot(blockSets.liveKill);
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
868 liveIn.or(blockSets.liveGen);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
869
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
870 indent2.log("block %d: livein = %s, liveout = %s", block.getId(), liveIn, blockSets.liveOut);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
871 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
872 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
873 iterationCount++;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
874
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
875 if (changeOccurred && iterationCount > 50) {
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5542
diff changeset
876 throw new BailoutException("too many iterations in computeGlobalLiveSets");
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
877 }
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
878 indent2.outdent();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
879 } while (changeOccurred);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
880
9855
6898d8995866 converted more options from GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 9632
diff changeset
881 if (DetailedAsserts.getValue()) {
7501
799dd373fcb6 Remove caching of sorted blocks in LSRA.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7499
diff changeset
882 verifyLiveness();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
883 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
884
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
885 // check that the liveIn set of the first block is empty
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
886 Block startBlock = ir.cfg.getStartBlock();
12569
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
887 if (blockData.get(startBlock).liveIn.cardinality() != 0) {
9855
6898d8995866 converted more options from GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 9632
diff changeset
888 if (DetailedAsserts.getValue()) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
889 reportFailure(numBlocks);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
890 }
12569
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
891 // bailout if this occurs in product mode.
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
892 throw new GraalInternalError("liveIn set of first block must be empty: " + blockData.get(startBlock).liveIn);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
893 }
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
894 indent.outdent();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
895 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
896
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
897 private void reportFailure(int numBlocks) {
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
898 Indent indent = Debug.logAndIndent("report failure");
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
899 indent.log("graph: %s", gen.getGraph());
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
900 indent.log("Error: liveIn set of first block must be empty (when this fails, variables are used before they are defined):");
12569
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
901 BitSet startBlockLiveIn = blockData.get(ir.cfg.getStartBlock()).liveIn;
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
902 for (int operandNum = startBlockLiveIn.nextSetBit(0); operandNum >= 0; operandNum = startBlockLiveIn.nextSetBit(operandNum + 1)) {
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
903 Value operand = operandFor(operandNum);
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
904 indent.log(" var %d; operand=%s; node=%s", operandNum, operand, gen.valueForOperand(operand));
12569
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
905 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
906
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
907 // print some additional information to simplify debugging
12569
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
908 for (int operandNum = startBlockLiveIn.nextSetBit(0); operandNum >= 0; operandNum = startBlockLiveIn.nextSetBit(operandNum + 1)) {
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
909 Value operand = operandFor(operandNum);
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
910 final Indent indent2 = indent.logAndIndent("---- Detailed information for var %d; operand=%s; node=%s ----", operandNum, operand, gen.valueForOperand(operand));
12569
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
911
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
912 Deque<Block> definedIn = new ArrayDeque<>();
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
913 HashSet<Block> usedIn = new HashSet<>();
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
914 for (Block block : sortedBlocks) {
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
915 if (blockData.get(block).liveGen.get(operandNum)) {
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
916 usedIn.add(block);
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
917 indent2.log("used in block B%d {", block.getId());
12569
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
918 for (LIRInstruction ins : ir.lir(block)) {
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
919 indent2.log(" %d: %s", ins.id(), ins);
12569
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
920 ins.forEachState(new ValueProcedure() {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
921
12569
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
922 @Override
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
923 public Value doValue(Value liveStateOperand) {
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
924 indent2.log(" operand=" + liveStateOperand);
12569
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
925 return liveStateOperand;
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
926 }
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
927 });
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
928 }
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
929 indent2.log("}");
12569
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
930 }
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
931 if (blockData.get(block).liveKill.get(operandNum)) {
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
932 definedIn.add(block);
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
933 indent2.log("defined in block B%d {", block.getId());
12569
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
934 for (LIRInstruction ins : ir.lir(block)) {
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
935 indent2.log(" %d: %s", ins.id(), ins);
12569
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
936 }
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
937 indent2.log("}");
12569
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
938 }
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
939 }
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
940
12569
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
941 int[] hitCount = new int[numBlocks];
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
942
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
943 while (!definedIn.isEmpty()) {
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
944 Block block = definedIn.removeFirst();
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
945 usedIn.remove(block);
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
946 for (Block successor : block.getSuccessors()) {
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
947 if (successor.isLoopHeader()) {
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
948 if (!block.isLoopEnd()) {
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
949 definedIn.add(successor);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
950 }
12569
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
951 } else {
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
952 if (++hitCount[successor.getId()] == successor.getPredecessorCount()) {
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
953 definedIn.add(successor);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
954 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
955 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
956 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
957 }
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
958 indent.log("**** offending usages are in: ");
12569
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
959 for (Block block : usedIn) {
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
960 indent2.log("B%d ", block.getId());
12569
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
961 }
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
962 indent2.outdent();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
963 }
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
964 indent.outdent();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
965 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
966
7501
799dd373fcb6 Remove caching of sorted blocks in LSRA.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7499
diff changeset
967 private void verifyLiveness() {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
968 // check that fixed intervals are not live at block boundaries
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
969 // (live set must be empty at fixed intervals)
7501
799dd373fcb6 Remove caching of sorted blocks in LSRA.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7499
diff changeset
970 for (Block block : sortedBlocks) {
4206
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
971 for (int j = 0; j <= maxRegisterNumber(); j++) {
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
972 assert !blockData.get(block).liveIn.get(j) : "liveIn set of fixed register must be empty";
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
973 assert !blockData.get(block).liveOut.get(j) : "liveOut set of fixed register must be empty";
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
974 assert !blockData.get(block).liveGen.get(j) : "liveGen set of fixed register must be empty";
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
975 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
976 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
977 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
978
9422
149fe42411df Use platform specific kind in backend.
Roland Schatz <roland.schatz@oracle.com>
parents: 9297
diff changeset
979 void addUse(AllocatableValue operand, int from, int to, RegisterPriority registerPriority, PlatformKind kind) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
980 if (!isProcessed(operand)) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
981 return;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
982 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
983
8220
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
984 Interval interval = getOrCreateInterval(operand);
5540
a891c53a295b Renaming RiKind => Kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5539
diff changeset
985 if (kind != Kind.Illegal) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
986 interval.setKind(kind);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
987 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
988
4206
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
989 interval.addRange(from, to);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
990
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
991 // Register use position at even instruction id.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
992 interval.addUsePos(to & ~1, registerPriority);
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
993
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
994 Debug.log("add use: %s, from %d to %d (%s)", interval, from, to, registerPriority.name());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
995 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
996
9422
149fe42411df Use platform specific kind in backend.
Roland Schatz <roland.schatz@oracle.com>
parents: 9297
diff changeset
997 void addTemp(AllocatableValue operand, int tempPos, RegisterPriority registerPriority, PlatformKind kind) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
998 if (!isProcessed(operand)) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
999 return;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1000 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1001
8220
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1002 Interval interval = getOrCreateInterval(operand);
5540
a891c53a295b Renaming RiKind => Kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5539
diff changeset
1003 if (kind != Kind.Illegal) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1004 interval.setKind(kind);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1005 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1006
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1007 interval.addRange(tempPos, tempPos + 1);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1008 interval.addUsePos(tempPos, registerPriority);
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1009 interval.addMaterializationValue(null);
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1010
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1011 Debug.log("add temp: %s tempPos %d (%s)", interval, tempPos, RegisterPriority.MustHaveRegister.name());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1012 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1013
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
1014 boolean isProcessed(Value operand) {
5552
69a8969dbf40 Reduce public fields in api.code project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5547
diff changeset
1015 return !isRegister(operand) || attributes(asRegister(operand)).isAllocatable();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1016 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1017
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1018 void addDef(AllocatableValue operand, LIRInstruction op, RegisterPriority registerPriority, PlatformKind kind) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1019 if (!isProcessed(operand)) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1020 return;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1021 }
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1022 int defPos = op.id();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1023
8220
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1024 Interval interval = getOrCreateInterval(operand);
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1025 if (kind != Kind.Illegal) {
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1026 interval.setKind(kind);
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1027 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1028
8220
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1029 Range r = interval.first();
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1030 if (r.from <= defPos) {
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1031 // Update the starting point (when a range is first created for a use, its
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1032 // start is the beginning of the current block until a def is encountered.)
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1033 r.from = defPos;
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1034 interval.addUsePos(defPos, registerPriority);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1035
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1036 } else {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1037 // Dead value - make vacuous interval
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1038 // also add register priority for dead intervals
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1039 interval.addRange(defPos, defPos + 1);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1040 interval.addUsePos(defPos, registerPriority);
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1041 Debug.log("Warning: def of operand %s at %d occurs without use", operand, defPos);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1042 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1043
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1044 changeSpillDefinitionPos(interval, defPos);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1045 if (registerPriority == RegisterPriority.None && interval.spillState().ordinal() <= SpillState.StartInMemory.ordinal()) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1046 // detection of method-parameters and roundfp-results
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1047 interval.setSpillState(SpillState.StartInMemory);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1048 }
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1049 interval.addMaterializationValue(gen.getMaterializedValue(op, operand));
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1050
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1051 Debug.log("add def: %s defPos %d (%s)", interval, defPos, registerPriority.name());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1052 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1053
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1054 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1055 * Determines the register priority for an instruction's output/result operand.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1056 */
4206
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
1057 static RegisterPriority registerPriorityOfOutputOperand(LIRInstruction op) {
4323
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
1058 if (op instanceof MoveOp) {
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
1059 MoveOp move = (MoveOp) op;
8353
98b90a7bb764 Only stack slots in caller frame are method arguments. Also optimize object arguments when the runtime supports it.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8222
diff changeset
1060 if (optimizeMethodArgument(move.getInput())) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1061 return RegisterPriority.None;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1062 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1063 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1064
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1065 // all other operands require a register
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1066 return RegisterPriority.MustHaveRegister;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1067 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1068
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1069 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1070 * Determines the priority which with an instruction's input operand will be allocated a
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1071 * register.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1072 */
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1073 static RegisterPriority registerPriorityOfInputOperand(EnumSet<OperandFlag> flags) {
5733
141b15521a39 use annotated fields for operands of LIR instructions
Christian Wimmer <christian.wimmer@oracle.com>
parents: 5711
diff changeset
1074 if (flags.contains(OperandFlag.STACK)) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1075 return RegisterPriority.ShouldHaveRegister;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1076 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1077 // all other operands require a register
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1078 return RegisterPriority.MustHaveRegister;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1079 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1080
8353
98b90a7bb764 Only stack slots in caller frame are method arguments. Also optimize object arguments when the runtime supports it.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8222
diff changeset
1081 private static boolean optimizeMethodArgument(Value value) {
8402
c0db24536e97 Remove flag and optimization for object method arguments in the register allocator. Needs more investigation of GC impact on HotSpot
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8353
diff changeset
1082 /*
c0db24536e97 Remove flag and optimization for object method arguments in the register allocator. Needs more investigation of GC impact on HotSpot
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8353
diff changeset
1083 * Object method arguments that are passed on the stack are currently not optimized because
c0db24536e97 Remove flag and optimization for object method arguments in the register allocator. Needs more investigation of GC impact on HotSpot
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8353
diff changeset
1084 * this requires that the runtime visits method arguments during stack walking.
c0db24536e97 Remove flag and optimization for object method arguments in the register allocator. Needs more investigation of GC impact on HotSpot
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8353
diff changeset
1085 */
c0db24536e97 Remove flag and optimization for object method arguments in the register allocator. Needs more investigation of GC impact on HotSpot
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8353
diff changeset
1086 return isStackSlot(value) && asStackSlot(value).isInCallerFrame() && value.getKind() != Kind.Object;
8353
98b90a7bb764 Only stack slots in caller frame are method arguments. Also optimize object arguments when the runtime supports it.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8222
diff changeset
1087 }
98b90a7bb764 Only stack slots in caller frame are method arguments. Also optimize object arguments when the runtime supports it.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8222
diff changeset
1088
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1089 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1090 * Optimizes moves related to incoming stack based arguments. The interval for the destination
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1091 * of such moves is assigned the stack slot (which is in the caller's frame) as its spill slot.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1092 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1093 void handleMethodArguments(LIRInstruction op) {
4323
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
1094 if (op instanceof MoveOp) {
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
1095 MoveOp move = (MoveOp) op;
8353
98b90a7bb764 Only stack slots in caller frame are method arguments. Also optimize object arguments when the runtime supports it.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8222
diff changeset
1096 if (optimizeMethodArgument(move.getInput())) {
98b90a7bb764 Only stack slots in caller frame are method arguments. Also optimize object arguments when the runtime supports it.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8222
diff changeset
1097 StackSlot slot = asStackSlot(move.getInput());
9855
6898d8995866 converted more options from GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 9632
diff changeset
1098 if (DetailedAsserts.getValue()) {
4323
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
1099 assert op.id() > 0 : "invalid id";
7497
0f8c6dbf68be Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6582
diff changeset
1100 assert blockForId(op.id()).getPredecessorCount() == 0 : "move from stack must be in first block";
4323
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
1101 assert isVariable(move.getResult()) : "result of move must be a variable";
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1102
12683
5c5b02a165d4 moved a number of options to be declared closer to usage and cached some heavily accessed options in fields
Doug Simon <doug.simon@oracle.com>
parents: 12569
diff changeset
1103 if (getTraceLevel() >= 4) {
4323
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
1104 TTY.println("found move from stack slot %s to %s", slot, move.getResult());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1105 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1106 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1107
4323
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
1108 Interval interval = intervalFor(move.getResult());
4213
e4cfa571d8c4 Do not emit stack-to-stack moves.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4207
diff changeset
1109 interval.setSpillSlot(slot);
e4cfa571d8c4 Do not emit stack-to-stack moves.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4207
diff changeset
1110 interval.assignLocation(slot);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1111 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1112 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1113 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1114
8220
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1115 void addRegisterHint(final LIRInstruction op, final Value targetValue, OperandMode mode, EnumSet<OperandFlag> flags, final boolean hintAtDef) {
5733
141b15521a39 use annotated fields for operands of LIR instructions
Christian Wimmer <christian.wimmer@oracle.com>
parents: 5711
diff changeset
1116 if (flags.contains(OperandFlag.HINT) && isVariableOrRegister(targetValue)) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1117
4262
744dade427b8 another batch of work towards GraalCompilation removal:
Lukas Stadler <lukas.stadler@jku.at>
parents: 4260
diff changeset
1118 op.forEachRegisterHint(targetValue, mode, new ValueProcedure() {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1119
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1120 @Override
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
1121 protected Value doValue(Value registerHint) {
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1122 if (isVariableOrRegister(registerHint)) {
9297
a5f2b9012865 Interval locations can only be AllocatableValues.
Roland Schatz <roland.schatz@oracle.com>
parents: 8402
diff changeset
1123 Interval from = getOrCreateInterval((AllocatableValue) registerHint);
a5f2b9012865 Interval locations can only be AllocatableValues.
Roland Schatz <roland.schatz@oracle.com>
parents: 8402
diff changeset
1124 Interval to = getOrCreateInterval((AllocatableValue) targetValue);
8220
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1125
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1126 // hints always point from def to use
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1127 if (hintAtDef) {
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1128 to.setLocationHint(from);
8220
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1129 } else {
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1130 from.setLocationHint(to);
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1131 }
8220
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1132
12683
5c5b02a165d4 moved a number of options to be declared closer to usage and cached some heavily accessed options in fields
Doug Simon <doug.simon@oracle.com>
parents: 12569
diff changeset
1133 if (getTraceLevel() >= 4) {
8220
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1134 TTY.println("operation at opId %d: added hint from interval %d to %d", op.id(), from.operandNumber, to.operandNumber);
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1135 }
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1136 return registerHint;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1137 }
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1138 return null;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1139 }
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1140 });
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1141 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1142 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1143
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1144 void buildIntervals() {
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1145
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1146 Indent indent = Debug.logAndIndent("build intervals");
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1147
4206
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
1148 intervalsSize = operandSize();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1149 intervals = new Interval[intervalsSize + INITIAL_SPLIT_INTERVALS_CAPACITY];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1150
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1151 // create a list with all caller-save registers (cpu, fpu, xmm)
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5542
diff changeset
1152 Register[] callerSaveRegs = frameMap.registerConfig.getCallerSaveRegisters();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1153
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1154 // iterate all blocks in reverse order
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1155 for (int i = blockCount() - 1; i >= 0; i--) {
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1156
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
1157 Block block = blockAt(i);
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1158 Indent indent2 = indent.logAndIndent("handle block %d", block.getId());
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1159
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents: 6352
diff changeset
1160 List<LIRInstruction> instructions = ir.lir(block);
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents: 6352
diff changeset
1161 final int blockFrom = getFirstLirInstructionId(block);
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents: 6352
diff changeset
1162 int blockTo = getLastLirInstructionId(block);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1163
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1164 assert blockFrom == instructions.get(0).id();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1165 assert blockTo == instructions.get(instructions.size() - 1).id();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1166
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1167 // Update intervals for operands live at the end of this block;
5541
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
1168 BitSet live = blockData.get(block).liveOut;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1169 for (int operandNum = live.nextSetBit(0); operandNum >= 0; operandNum = live.nextSetBit(operandNum + 1)) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1170 assert live.get(operandNum) : "should not stop here otherwise";
9297
a5f2b9012865 Interval locations can only be AllocatableValues.
Roland Schatz <roland.schatz@oracle.com>
parents: 8402
diff changeset
1171 AllocatableValue operand = operandFor(operandNum);
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1172 indent.log("live in %d: %s", operandNum, operand);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1173
5540
a891c53a295b Renaming RiKind => Kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5539
diff changeset
1174 addUse(operand, blockFrom, blockTo + 2, RegisterPriority.None, Kind.Illegal);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1175
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1176 // add special use positions for loop-end blocks when the
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1177 // interval is used anywhere inside this loop. It's possible
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1178 // that the block was part of a non-natural loop, so it might
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1179 // have an invalid loop index.
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
1180 if (block.isLoopEnd() && block.getLoop() != null && isIntervalInLoop(operandNum, block.getLoop().index)) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1181 intervalFor(operand).addUsePos(blockTo + 1, RegisterPriority.LiveAtLoopEnd);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1182 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1183 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1184
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1185 // iterate all instructions of the block in reverse order.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1186 // definitions of intervals are processed before uses
11537
7ce08e264abf Fixed registers that flow into a block need to be inputs of the LabelOp, otherwise the register allocator can insert spill moves before the definition of a fixed register.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 10961
diff changeset
1187 for (int j = instructions.size() - 1; j >= 0; j--) {
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1188 final LIRInstruction op = instructions.get(j);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1189 final int opId = op.id();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1190
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1191 Indent indent3 = indent2.logAndIndent("handle inst %d: %s", opId, op);
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1192
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1193 // add a temp range for each register if operation destroys caller-save registers
9454
85a836bcd796 renaming for improved clarity: hasCall -> destroysCallerSavedRegisters
Doug Simon <doug.simon@oracle.com>
parents: 9425
diff changeset
1194 if (op.destroysCallerSavedRegisters()) {
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5542
diff changeset
1195 for (Register r : callerSaveRegs) {
5552
69a8969dbf40 Reduce public fields in api.code project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5547
diff changeset
1196 if (attributes(r).isAllocatable()) {
5540
a891c53a295b Renaming RiKind => Kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5539
diff changeset
1197 addTemp(r.asValue(), opId, RegisterPriority.None, Kind.Illegal);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1198 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1199 }
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1200 indent.log("operation destroys all caller-save registers");
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1201 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1202
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1203 op.forEachOutput(new ValueProcedure() {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1204
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1205 @Override
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
1206 public Value doValue(Value operand, OperandMode mode, EnumSet<OperandFlag> flags) {
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1207 if (isVariableOrRegister(operand)) {
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1208 addDef((AllocatableValue) operand, op, registerPriorityOfOutputOperand(op), operand.getPlatformKind());
8220
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1209 addRegisterHint(op, operand, mode, flags, true);
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1210 }
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1211 return operand;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1212 }
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1213 });
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1214 op.forEachTemp(new ValueProcedure() {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1215
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1216 @Override
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
1217 public Value doValue(Value operand, OperandMode mode, EnumSet<OperandFlag> flags) {
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1218 if (isVariableOrRegister(operand)) {
9422
149fe42411df Use platform specific kind in backend.
Roland Schatz <roland.schatz@oracle.com>
parents: 9297
diff changeset
1219 addTemp((AllocatableValue) operand, opId, RegisterPriority.MustHaveRegister, operand.getPlatformKind());
8220
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1220 addRegisterHint(op, operand, mode, flags, false);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1221 }
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1222 return operand;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1223 }
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1224 });
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1225 op.forEachAlive(new ValueProcedure() {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1226
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1227 @Override
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
1228 public Value doValue(Value operand, OperandMode mode, EnumSet<OperandFlag> flags) {
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1229 if (isVariableOrRegister(operand)) {
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1230 RegisterPriority p = registerPriorityOfInputOperand(flags);
9422
149fe42411df Use platform specific kind in backend.
Roland Schatz <roland.schatz@oracle.com>
parents: 9297
diff changeset
1231 addUse((AllocatableValue) operand, blockFrom, opId + 1, p, operand.getPlatformKind());
8220
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1232 addRegisterHint(op, operand, mode, flags, false);
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1233 }
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1234 return operand;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1235 }
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1236 });
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1237 op.forEachInput(new ValueProcedure() {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1238
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1239 @Override
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
1240 public Value doValue(Value operand, OperandMode mode, EnumSet<OperandFlag> flags) {
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1241 if (isVariableOrRegister(operand)) {
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1242 RegisterPriority p = registerPriorityOfInputOperand(flags);
9422
149fe42411df Use platform specific kind in backend.
Roland Schatz <roland.schatz@oracle.com>
parents: 9297
diff changeset
1243 addUse((AllocatableValue) operand, blockFrom, opId, p, operand.getPlatformKind());
8220
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1244 addRegisterHint(op, operand, mode, flags, false);
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1245 }
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1246 return operand;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1247 }
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1248 });
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1249
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1250 // Add uses of live locals from interpreter's point of view for proper
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1251 // debug information generation
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1252 // Treat these operands as temp values (if the live range is extended
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1253 // to a call site, the value would be in a register at the call otherwise)
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1254 op.forEachState(new ValueProcedure() {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1255
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1256 @Override
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
1257 public Value doValue(Value operand) {
9422
149fe42411df Use platform specific kind in backend.
Roland Schatz <roland.schatz@oracle.com>
parents: 9297
diff changeset
1258 addUse((AllocatableValue) operand, blockFrom, opId + 1, RegisterPriority.None, operand.getPlatformKind());
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1259 return operand;
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1260 }
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1261 });
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1262
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1263 // special steps for some instructions (especially moves)
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1264 handleMethodArguments(op);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1265
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1266 indent3.outdent();
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1267
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1268 } // end of instruction iteration
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1269 indent2.outdent();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1270 } // end of block iteration
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1271
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1272 // add the range [0, 1] to all fixed intervals.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1273 // the register allocator need not handle unhandled fixed intervals
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1274 for (Interval interval : intervals) {
4183
9e0c1b4cfef5 Move all isXxx and asXxx out of CiValue and into their own util class.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4181
diff changeset
1275 if (interval != null && isRegister(interval.operand)) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1276 interval.addRange(0, 1);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1277 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1278 }
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1279 indent.outdent();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1280 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1281
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1282 // * Phase 5: actual register allocation
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1283
4142
bc8527f3071c Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 3733
diff changeset
1284 private static boolean isSorted(Interval[] intervals) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1285 int from = -1;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1286 for (Interval interval : intervals) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1287 assert interval != null;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1288 assert from <= interval.from();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1289 from = interval.from();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1290 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1291 return true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1292 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1293
4142
bc8527f3071c Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 3733
diff changeset
1294 static Interval addToList(Interval first, Interval prev, Interval interval) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1295 Interval newFirst = first;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1296 if (prev != null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1297 prev.next = interval;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1298 } else {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1299 newFirst = interval;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1300 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1301 return newFirst;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1302 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1303
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1304 Interval.Pair createUnhandledLists(IntervalPredicate isList1, IntervalPredicate isList2) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1305 assert isSorted(sortedIntervals) : "interval list is not sorted";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1306
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1307 Interval list1 = Interval.EndMarker;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1308 Interval list2 = Interval.EndMarker;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1309
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1310 Interval list1Prev = null;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1311 Interval list2Prev = null;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1312 Interval v;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1313
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1314 int n = sortedIntervals.length;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1315 for (int i = 0; i < n; i++) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1316 v = sortedIntervals[i];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1317 if (v == null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1318 continue;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1319 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1320
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1321 if (isList1.apply(v)) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1322 list1 = addToList(list1, list1Prev, v);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1323 list1Prev = v;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1324 } else if (isList2 == null || isList2.apply(v)) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1325 list2 = addToList(list2, list2Prev, v);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1326 list2Prev = v;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1327 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1328 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1329
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1330 if (list1Prev != null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1331 list1Prev.next = Interval.EndMarker;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1332 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1333 if (list2Prev != null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1334 list2Prev.next = Interval.EndMarker;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1335 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1336
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1337 assert list1Prev == null || list1Prev.next == Interval.EndMarker : "linear list ends not with sentinel";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1338 assert list2Prev == null || list2Prev.next == Interval.EndMarker : "linear list ends not with sentinel";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1339
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1340 return new Interval.Pair(list1, list2);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1341 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1342
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1343 void sortIntervalsBeforeAllocation() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1344 int sortedLen = 0;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1345 for (Interval interval : intervals) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1346 if (interval != null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1347 sortedLen++;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1348 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1349 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1350
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1351 Interval[] sortedList = new Interval[sortedLen];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1352 int sortedIdx = 0;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1353 int sortedFromMax = -1;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1354
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1355 // special sorting algorithm: the original interval-list is almost sorted,
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1356 // only some intervals are swapped. So this is much faster than a complete QuickSort
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1357 for (Interval interval : intervals) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1358 if (interval != null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1359 int from = interval.from();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1360
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1361 if (sortedFromMax <= from) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1362 sortedList[sortedIdx++] = interval;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1363 sortedFromMax = interval.from();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1364 } else {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1365 // the assumption that the intervals are already sorted failed,
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1366 // so this interval must be sorted in manually
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1367 int j;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1368 for (j = sortedIdx - 1; j >= 0 && from < sortedList[j].from(); j--) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1369 sortedList[j + 1] = sortedList[j];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1370 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1371 sortedList[j + 1] = interval;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1372 sortedIdx++;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1373 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1374 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1375 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1376 sortedIntervals = sortedList;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1377 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1378
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1379 void sortIntervalsAfterAllocation() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1380 if (firstDerivedIntervalIndex == -1) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1381 // no intervals have been added during allocation, so sorted list is already up to date
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1382 return;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1383 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1384
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1385 Interval[] oldList = sortedIntervals;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1386 Interval[] newList = Arrays.copyOfRange(intervals, firstDerivedIntervalIndex, intervalsSize);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1387 int oldLen = oldList.length;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1388 int newLen = newList.length;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1389
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1390 // conventional sort-algorithm for new intervals
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1391 Arrays.sort(newList, INTERVAL_COMPARATOR);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1392
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1393 // merge old and new list (both already sorted) into one combined list
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1394 Interval[] combinedList = new Interval[oldLen + newLen];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1395 int oldIdx = 0;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1396 int newIdx = 0;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1397
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1398 while (oldIdx + newIdx < combinedList.length) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1399 if (newIdx >= newLen || (oldIdx < oldLen && oldList[oldIdx].from() <= newList[newIdx].from())) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1400 combinedList[oldIdx + newIdx] = oldList[oldIdx];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1401 oldIdx++;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1402 } else {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1403 combinedList[oldIdx + newIdx] = newList[newIdx];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1404 newIdx++;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1405 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1406 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1407
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1408 sortedIntervals = combinedList;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1409 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1410
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1411 private static final Comparator<Interval> INTERVAL_COMPARATOR = new Comparator<Interval>() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1412
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1413 public int compare(Interval a, Interval b) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1414 if (a != null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1415 if (b != null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1416 return a.from() - b.from();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1417 } else {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1418 return -1;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1419 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1420 } else {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1421 if (b != null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1422 return 1;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1423 } else {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1424 return 0;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1425 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1426 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1427 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1428 };
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1429
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1430 public void allocateRegisters() {
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1431 Indent indent = Debug.logAndIndent("allocate registers");
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1432 Interval precoloredIntervals;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1433 Interval notPrecoloredIntervals;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1434
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1435 Interval.Pair result = createUnhandledLists(IS_PRECOLORED_INTERVAL, IS_VARIABLE_INTERVAL);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1436 precoloredIntervals = result.first;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1437 notPrecoloredIntervals = result.second;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1438
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1439 // allocate cpu registers
6581
2a456986716b removed Architecture.isX86() and Architecture.isSPARC()
Doug Simon <doug.simon@oracle.com>
parents: 6539
diff changeset
1440 LinearScanWalker lsw = new LinearScanWalker(this, precoloredIntervals, notPrecoloredIntervals);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1441 lsw.walk();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1442 lsw.finishAllocation();
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1443 indent.outdent();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1444 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1445
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1446 // * Phase 6: resolve data flow
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1447 // (insert moves at edges between blocks if intervals have been split)
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1448
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1449 // wrapper for Interval.splitChildAtOpId that performs a bailout in product mode
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1450 // instead of returning null
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1451 Interval splitChildAtOpId(Interval interval, int opId, LIRInstruction.OperandMode mode) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1452 Interval result = interval.getSplitChildAtOpId(opId, mode, this);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1453
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1454 if (result != null) {
12683
5c5b02a165d4 moved a number of options to be declared closer to usage and cached some heavily accessed options in fields
Doug Simon <doug.simon@oracle.com>
parents: 12569
diff changeset
1455 if (getTraceLevel() >= 4) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1456 TTY.println("Split child at pos " + opId + " of interval " + interval.toString() + " is " + result.toString());
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1457 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1458 return result;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1459 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1460
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5542
diff changeset
1461 throw new BailoutException("LinearScan: interval is null");
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1462 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1463
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
1464 Interval intervalAtBlockBegin(Block block, Value operand) {
4183
9e0c1b4cfef5 Move all isXxx and asXxx out of CiValue and into their own util class.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4181
diff changeset
1465 assert isVariable(operand) : "register number out of bounds";
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1466 assert intervalFor(operand) != null : "no interval found";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1467
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents: 6352
diff changeset
1468 return splitChildAtOpId(intervalFor(operand), getFirstLirInstructionId(block), LIRInstruction.OperandMode.DEF);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1469 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1470
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
1471 Interval intervalAtBlockEnd(Block block, Value operand) {
4183
9e0c1b4cfef5 Move all isXxx and asXxx out of CiValue and into their own util class.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4181
diff changeset
1472 assert isVariable(operand) : "register number out of bounds";
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1473 assert intervalFor(operand) != null : "no interval found";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1474
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents: 6352
diff changeset
1475 return splitChildAtOpId(intervalFor(operand), getLastLirInstructionId(block) + 1, LIRInstruction.OperandMode.DEF);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1476 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1477
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
1478 Interval intervalAtOpId(Value operand, int opId) {
4183
9e0c1b4cfef5 Move all isXxx and asXxx out of CiValue and into their own util class.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4181
diff changeset
1479 assert isVariable(operand) : "register number out of bounds";
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1480 assert intervalFor(operand) != null : "no interval found";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1481
5733
141b15521a39 use annotated fields for operands of LIR instructions
Christian Wimmer <christian.wimmer@oracle.com>
parents: 5711
diff changeset
1482 return splitChildAtOpId(intervalFor(operand), opId, LIRInstruction.OperandMode.USE);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1483 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1484
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
1485 void resolveCollectMappings(Block fromBlock, Block toBlock, MoveResolver moveResolver) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1486 assert moveResolver.checkEmpty();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1487
4206
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
1488 int numOperands = operandSize();
5541
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
1489 BitSet liveAtEdge = blockData.get(toBlock).liveIn;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1490
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1491 // visit all variables for which the liveAtEdge bit is set
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1492 for (int operandNum = liveAtEdge.nextSetBit(0); operandNum >= 0; operandNum = liveAtEdge.nextSetBit(operandNum + 1)) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1493 assert operandNum < numOperands : "live information set for not exisiting interval";
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
1494 assert blockData.get(fromBlock).liveOut.get(operandNum) && blockData.get(toBlock).liveIn.get(operandNum) : "interval not live at this edge";
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1495
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
1496 Value liveOperand = operandFor(operandNum);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1497 Interval fromInterval = intervalAtBlockEnd(fromBlock, liveOperand);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1498 Interval toInterval = intervalAtBlockBegin(toBlock, liveOperand);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1499
9632
97db51025787 Value: use `equals()' instead of object equality
Bernhard Urban <bernhard.urban@jku.at>
parents: 9628
diff changeset
1500 if (fromInterval != toInterval && !fromInterval.location().equals(toInterval.location())) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1501 // need to insert move instruction
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1502 moveResolver.addMapping(fromInterval, toInterval);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1503 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1504 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1505 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1506
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents: 6352
diff changeset
1507 void resolveFindInsertPos(Block fromBlock, Block toBlock, MoveResolver moveResolver) {
7497
0f8c6dbf68be Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6582
diff changeset
1508 if (fromBlock.getSuccessorCount() <= 1) {
12683
5c5b02a165d4 moved a number of options to be declared closer to usage and cached some heavily accessed options in fields
Doug Simon <doug.simon@oracle.com>
parents: 12569
diff changeset
1509 if (getTraceLevel() >= 4) {
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
1510 TTY.println("inserting moves at end of fromBlock B%d", fromBlock.getId());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1511 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1512
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents: 6352
diff changeset
1513 List<LIRInstruction> instructions = ir.lir(fromBlock);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1514 LIRInstruction instr = instructions.get(instructions.size() - 1);
4323
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
1515 if (instr instanceof StandardOp.JumpOp) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1516 // insert moves before branch
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents: 6352
diff changeset
1517 moveResolver.setInsertPosition(instructions, instructions.size() - 1);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1518 } else {
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents: 6352
diff changeset
1519 moveResolver.setInsertPosition(instructions, instructions.size());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1520 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1521
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1522 } else {
12683
5c5b02a165d4 moved a number of options to be declared closer to usage and cached some heavily accessed options in fields
Doug Simon <doug.simon@oracle.com>
parents: 12569
diff changeset
1523 if (getTraceLevel() >= 4) {
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
1524 TTY.println("inserting moves at beginning of toBlock B%d", toBlock.getId());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1525 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1526
9855
6898d8995866 converted more options from GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 9632
diff changeset
1527 if (DetailedAsserts.getValue()) {
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents: 6352
diff changeset
1528 assert ir.lir(fromBlock).get(0) instanceof StandardOp.LabelOp : "block does not start with a label";
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1529
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1530 // because the number of predecessor edges matches the number of
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1531 // successor edges, blocks which are reached by switch statements
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1532 // may have be more than one predecessor but it will be guaranteed
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1533 // that all predecessors will be the same.
7497
0f8c6dbf68be Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6582
diff changeset
1534 for (Block predecessor : toBlock.getPredecessors()) {
0f8c6dbf68be Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6582
diff changeset
1535 assert fromBlock == predecessor : "all critical edges must be broken";
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1536 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1537 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1538
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents: 6352
diff changeset
1539 moveResolver.setInsertPosition(ir.lir(toBlock), 1);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1540 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1541 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1542
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1543 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1544 * Inserts necessary moves (spilling or reloading) at edges between blocks for intervals that
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1545 * have been split.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1546 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1547 void resolveDataFlow() {
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1548 Indent indent = Debug.logAndIndent("resolve data flow");
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1549
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1550 int numBlocks = blockCount();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1551 MoveResolver moveResolver = new MoveResolver(this);
5541
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
1552 BitSet blockCompleted = new BitSet(numBlocks);
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
1553 BitSet alreadyResolved = new BitSet(numBlocks);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1554
7501
799dd373fcb6 Remove caching of sorted blocks in LSRA.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7499
diff changeset
1555 for (Block block : sortedBlocks) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1556
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1557 // check if block has only one predecessor and only one successor
7497
0f8c6dbf68be Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6582
diff changeset
1558 if (block.getPredecessorCount() == 1 && block.getSuccessorCount() == 1) {
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents: 6352
diff changeset
1559 List<LIRInstruction> instructions = ir.lir(block);
4323
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
1560 assert instructions.get(0) instanceof StandardOp.LabelOp : "block must start with label";
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
1561 assert instructions.get(instructions.size() - 1) instanceof StandardOp.JumpOp : "block with successor must end with unconditional jump";
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1562
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1563 // check if block is empty (only label and branch)
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1564 if (instructions.size() == 2) {
7499
ca3e5df0e6cf Small clean up of access to predecessor/successor of blocks.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7498
diff changeset
1565 Block pred = block.getFirstPredecessor();
ca3e5df0e6cf Small clean up of access to predecessor/successor of blocks.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7498
diff changeset
1566 Block sux = block.getFirstSuccessor();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1567
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1568 // prevent optimization of two consecutive blocks
7497
0f8c6dbf68be Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6582
diff changeset
1569 if (!blockCompleted.get(pred.getLinearScanNumber()) && !blockCompleted.get(sux.getLinearScanNumber())) {
12683
5c5b02a165d4 moved a number of options to be declared closer to usage and cached some heavily accessed options in fields
Doug Simon <doug.simon@oracle.com>
parents: 12569
diff changeset
1570 if (getTraceLevel() >= 3) {
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
1571 TTY.println(" optimizing empty block B%d (pred: B%d, sux: B%d)", block.getId(), pred.getId(), sux.getId());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1572 }
7497
0f8c6dbf68be Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6582
diff changeset
1573 blockCompleted.set(block.getLinearScanNumber());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1574
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1575 // directly resolve between pred and sux (without looking at the empty block
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1576 // between)
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1577 resolveCollectMappings(pred, sux, moveResolver);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1578 if (moveResolver.hasMappings()) {
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents: 6352
diff changeset
1579 moveResolver.setInsertPosition(instructions, 1);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1580 moveResolver.resolveAndAppendMoves();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1581 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1582 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1583 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1584 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1585 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1586
7501
799dd373fcb6 Remove caching of sorted blocks in LSRA.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7499
diff changeset
1587 for (Block fromBlock : sortedBlocks) {
799dd373fcb6 Remove caching of sorted blocks in LSRA.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7499
diff changeset
1588 if (!blockCompleted.get(fromBlock.getLinearScanNumber())) {
5541
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
1589 alreadyResolved.clear();
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
1590 alreadyResolved.or(blockCompleted);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1591
7497
0f8c6dbf68be Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6582
diff changeset
1592 for (Block toBlock : fromBlock.getSuccessors()) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1593
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1594 // check for duplicate edges between the same blocks (can happen with switch
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1595 // blocks)
7497
0f8c6dbf68be Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6582
diff changeset
1596 if (!alreadyResolved.get(toBlock.getLinearScanNumber())) {
12683
5c5b02a165d4 moved a number of options to be declared closer to usage and cached some heavily accessed options in fields
Doug Simon <doug.simon@oracle.com>
parents: 12569
diff changeset
1597 if (getTraceLevel() >= 3) {
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
1598 TTY.println(" processing edge between B%d and B%d", fromBlock.getId(), toBlock.getId());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1599 }
7497
0f8c6dbf68be Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6582
diff changeset
1600 alreadyResolved.set(toBlock.getLinearScanNumber());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1601
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1602 // collect all intervals that have been split between fromBlock and toBlock
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1603 resolveCollectMappings(fromBlock, toBlock, moveResolver);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1604 if (moveResolver.hasMappings()) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1605 resolveFindInsertPos(fromBlock, toBlock, moveResolver);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1606 moveResolver.resolveAndAppendMoves();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1607 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1608 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1609 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1610 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1611 }
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1612 indent.outdent();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1613 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1614
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1615 // * Phase 7: assign register numbers back to LIR
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1616 // (includes computation of debug information and oop maps)
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1617
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5542
diff changeset
1618 static StackSlot canonicalSpillOpr(Interval interval) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1619 assert interval.spillSlot() != null : "canonical spill slot not set";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1620 return interval.spillSlot();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1621 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1622
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1623 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1624 * Assigns the allocated location for an LIR instruction operand back into the instruction.
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1625 *
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1626 * @param operand an LIR instruction operand
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1627 * @param opId the id of the LIR instruction using {@code operand}
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1628 * @param mode the usage mode for {@code operand} by the instruction
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1629 * @return the location assigned for the operand
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1630 */
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
1631 private Value colorLirOperand(Variable operand, int opId, OperandMode mode) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1632 Interval interval = intervalFor(operand);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1633 assert interval != null : "interval must exist";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1634
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1635 if (opId != -1) {
9855
6898d8995866 converted more options from GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 9632
diff changeset
1636 if (DetailedAsserts.getValue()) {
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
1637 Block block = blockForId(opId);
7497
0f8c6dbf68be Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6582
diff changeset
1638 if (block.getSuccessorCount() <= 1 && opId == getLastLirInstructionId(block)) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1639 // check if spill moves could have been appended at the end of this block, but
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1640 // before the branch instruction. So the split child information for this branch
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1641 // would
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1642 // be incorrect.
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents: 6352
diff changeset
1643 LIRInstruction instr = ir.lir(block).get(ir.lir(block).size() - 1);
4323
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
1644 if (instr instanceof StandardOp.JumpOp) {
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
1645 if (blockData.get(block).liveOut.get(operandNumber(operand))) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1646 assert false : "can't get split child for the last branch of a block because the information would be incorrect (moves are inserted before the branch in resolveDataFlow)";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1647 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1648 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1649 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1650 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1651
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1652 // operands are not changed when an interval is split during allocation,
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1653 // so search the right interval here
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1654 interval = splitChildAtOpId(interval, opId, mode);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1655 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1656
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1657 if (isIllegal(interval.location()) && interval.canMaterialize()) {
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1658 return interval.getMaterializedValue();
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1659 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1660 return interval.location();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1661 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1662
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1663 protected IntervalWalker initIntervalWalker(IntervalPredicate predicate) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1664 // setup lists of potential oops for walking
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1665 Interval oopIntervals;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1666 Interval nonOopIntervals;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1667
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1668 oopIntervals = createUnhandledLists(predicate, null).first;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1669
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1670 // intervals that have no oops inside need not to be processed.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1671 // to ensure a walking until the last instruction id, add a dummy interval
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1672 // with a high operation id
6539
2463eb24b644 Cleanup of Graal API: Rename methods so that it follows the getXxx naming convention and so that they are similar to the names of the java.lang.reflect classes. Remove unused methods.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6529
diff changeset
1673 nonOopIntervals = new Interval(Value.ILLEGAL, -1);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1674 nonOopIntervals.addRange(Integer.MAX_VALUE - 2, Integer.MAX_VALUE - 1);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1675
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1676 return new IntervalWalker(this, oopIntervals, nonOopIntervals);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1677 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1678
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1679 /**
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1680 * Visits all intervals for a frame state. The frame state use this information to build the OOP
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1681 * maps.
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1682 */
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1683 void markFrameLocations(IntervalWalker iw, LIRInstruction op, LIRFrameState info) {
12683
5c5b02a165d4 moved a number of options to be declared closer to usage and cached some heavily accessed options in fields
Doug Simon <doug.simon@oracle.com>
parents: 12569
diff changeset
1684 if (getTraceLevel() >= 3) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1685 TTY.println("creating oop map at opId %d", op.id());
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1686 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1687
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1688 // walk before the current operation . intervals that start at
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1689 // the operation (i.e. output operands of the operation) are not
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1690 // included in the oop map
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1691 iw.walkBefore(op.id());
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1692
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1693 // Iterate through active intervals
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1694 for (Interval interval = iw.activeLists.get(RegisterBinding.Fixed); interval != Interval.EndMarker; interval = interval.next) {
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
1695 Value operand = interval.operand;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1696
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1697 assert interval.currentFrom() <= op.id() && op.id() <= interval.currentTo() : "interval should not be active otherwise";
4183
9e0c1b4cfef5 Move all isXxx and asXxx out of CiValue and into their own util class.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4181
diff changeset
1698 assert isVariable(interval.operand) : "fixed interval found";
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1699
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1700 // Check if this range covers the instruction. Intervals that
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1701 // start or end at the current operation are not included in the
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1702 // oop map, except in the case of patching moves. For patching
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1703 // moves, any intervals which end at this instruction are included
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1704 // in the oop map since we may safepoint while doing the patch
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1705 // before we've consumed the inputs.
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1706 if (op.id() < interval.currentTo() && !isIllegal(interval.location())) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1707 // caller-save registers must not be included into oop-maps at calls
9454
85a836bcd796 renaming for improved clarity: hasCall -> destroysCallerSavedRegisters
Doug Simon <doug.simon@oracle.com>
parents: 9425
diff changeset
1708 assert !op.destroysCallerSavedRegisters() || !isRegister(operand) || !isCallerSave(operand) : "interval is in a caller-save register at a call . register will be overwritten";
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1709
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1710 info.markLocation(interval.location(), frameMap);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1711
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1712 // Spill optimization: when the stack value is guaranteed to be always correct,
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1713 // then it must be added to the oop map even if the interval is currently in a
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1714 // register
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1715 if (interval.alwaysInMemory() && op.id() > interval.spillDefinitionPos() && !interval.location().equals(interval.spillSlot())) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1716 assert interval.spillDefinitionPos() > 0 : "position not set correctly";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1717 assert interval.spillSlot() != null : "no spill slot assigned";
4183
9e0c1b4cfef5 Move all isXxx and asXxx out of CiValue and into their own util class.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4181
diff changeset
1718 assert !isRegister(interval.operand) : "interval is on stack : so stack slot is registered twice";
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1719 info.markLocation(interval.spillSlot(), frameMap);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1720 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1721 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1722 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1723 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1724
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
1725 private boolean isCallerSave(Value operand) {
5552
69a8969dbf40 Reduce public fields in api.code project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5547
diff changeset
1726 return attributes(asRegister(operand)).isCallerSave();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1727 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1728
5733
141b15521a39 use annotated fields for operands of LIR instructions
Christian Wimmer <christian.wimmer@oracle.com>
parents: 5711
diff changeset
1729 private void computeDebugInfo(IntervalWalker iw, final LIRInstruction op, LIRFrameState info) {
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1730 info.initDebugInfo(frameMap, !op.destroysCallerSavedRegisters() || !callKillsRegisters);
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1731 markFrameLocations(iw, op, info);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1732
4169
f5328dda9714 Initial commit of SSA-based spill-all register assignment
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4165
diff changeset
1733 info.forEachState(new ValueProcedure() {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1734
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1735 @Override
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
1736 public Value doValue(Value operand) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1737 int tempOpId = op.id();
5733
141b15521a39 use annotated fields for operands of LIR instructions
Christian Wimmer <christian.wimmer@oracle.com>
parents: 5711
diff changeset
1738 OperandMode mode = OperandMode.USE;
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
1739 Block block = blockForId(tempOpId);
7497
0f8c6dbf68be Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6582
diff changeset
1740 if (block.getSuccessorCount() == 1 && tempOpId == getLastLirInstructionId(block)) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1741 // generating debug information for the last instruction of a block.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1742 // if this instruction is a branch, spill moves are inserted before this branch
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1743 // and so the wrong operand would be returned (spill moves at block boundaries
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1744 // are not
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1745 // considered in the live ranges of intervals)
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1746 // Solution: use the first opId of the branch target block instead.
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents: 6352
diff changeset
1747 final LIRInstruction instr = ir.lir(block).get(ir.lir(block).size() - 1);
4323
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
1748 if (instr instanceof StandardOp.JumpOp) {
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
1749 if (blockData.get(block).liveOut.get(operandNumber(operand))) {
7497
0f8c6dbf68be Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6582
diff changeset
1750 tempOpId = getFirstLirInstructionId(block.getFirstSuccessor());
5733
141b15521a39 use annotated fields for operands of LIR instructions
Christian Wimmer <christian.wimmer@oracle.com>
parents: 5711
diff changeset
1751 mode = OperandMode.DEF;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1752 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1753 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1754 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1755
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1756 // Get current location of operand
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1757 // The operand must be live because debug information is considered when building
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1758 // the intervals
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1759 // if the interval is not live, colorLirOperand will cause an assert on failure
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
1760 Value result = colorLirOperand((Variable) operand, tempOpId, mode);
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1761 assert !hasCall(tempOpId) || isStackSlot(result) || isConstant(result) || !isCallerSave(result) : "cannot have caller-save register operands at calls";
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1762 return result;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1763 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1764 });
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1765 info.finish(op, frameMap);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1766 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1767
5733
141b15521a39 use annotated fields for operands of LIR instructions
Christian Wimmer <christian.wimmer@oracle.com>
parents: 5711
diff changeset
1768 private void assignLocations(List<LIRInstruction> instructions, final IntervalWalker iw) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1769 int numInst = instructions.size();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1770 boolean hasDead = false;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1771
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1772 for (int j = 0; j < numInst; j++) {
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1773 final LIRInstruction op = instructions.get(j);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1774 if (op == null) { // this can happen when spill-moves are removed in eliminateSpillMoves
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1775 hasDead = true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1776 continue;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1777 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1778
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1779 ValueProcedure assignProc = new ValueProcedure() {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1780
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1781 @Override
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
1782 public Value doValue(Value operand, OperandMode mode, EnumSet<OperandFlag> flags) {
4183
9e0c1b4cfef5 Move all isXxx and asXxx out of CiValue and into their own util class.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4181
diff changeset
1783 if (isVariable(operand)) {
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1784 return colorLirOperand((Variable) operand, op.id(), mode);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1785 }
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1786 return operand;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1787 }
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1788 };
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1789
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1790 op.forEachInput(assignProc);
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1791 op.forEachAlive(assignProc);
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1792 op.forEachTemp(assignProc);
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1793 op.forEachOutput(assignProc);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1794
5733
141b15521a39 use annotated fields for operands of LIR instructions
Christian Wimmer <christian.wimmer@oracle.com>
parents: 5711
diff changeset
1795 // compute reference map and debug information
141b15521a39 use annotated fields for operands of LIR instructions
Christian Wimmer <christian.wimmer@oracle.com>
parents: 5711
diff changeset
1796 op.forEachState(new StateProcedure() {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1797
5733
141b15521a39 use annotated fields for operands of LIR instructions
Christian Wimmer <christian.wimmer@oracle.com>
parents: 5711
diff changeset
1798 @Override
141b15521a39 use annotated fields for operands of LIR instructions
Christian Wimmer <christian.wimmer@oracle.com>
parents: 5711
diff changeset
1799 protected void doState(LIRFrameState state) {
141b15521a39 use annotated fields for operands of LIR instructions
Christian Wimmer <christian.wimmer@oracle.com>
parents: 5711
diff changeset
1800 computeDebugInfo(iw, op, state);
141b15521a39 use annotated fields for operands of LIR instructions
Christian Wimmer <christian.wimmer@oracle.com>
parents: 5711
diff changeset
1801 }
141b15521a39 use annotated fields for operands of LIR instructions
Christian Wimmer <christian.wimmer@oracle.com>
parents: 5711
diff changeset
1802 });
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1803
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1804 // remove useless moves
4323
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
1805 if (op instanceof MoveOp) {
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
1806 MoveOp move = (MoveOp) op;
9628
8851fabf2265 LinearScan: Can no longer check for object equality after removal of RegisterValue cache.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 9614
diff changeset
1807 if (move.getInput().equals(move.getResult())) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1808 instructions.set(j, null);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1809 hasDead = true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1810 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1811 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1812 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1813
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1814 if (hasDead) {
6321
9418ff4c9e7c Clean up ControlFlowOptimizer.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6317
diff changeset
1815 // Remove null values from the list.
9418ff4c9e7c Clean up ControlFlowOptimizer.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6317
diff changeset
1816 instructions.removeAll(Collections.singleton(null));
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1817 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1818 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1819
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1820 private void assignLocations() {
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1821 IntervalWalker iw = initIntervalWalker(IS_STACK_INTERVAL);
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
1822 for (Block block : sortedBlocks) {
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents: 6352
diff changeset
1823 assignLocations(ir.lir(block), iw);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1824 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1825 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1826
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1827 public void allocate() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1828
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1829 Indent indent = Debug.logAndIndent(false, "allocate %s", gen.getGraph().method());
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1830
13197
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1831 try (Scope s = Debug.scope("LifetimeAnalysis")) {
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1832 numberInstructions();
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1833 printLir("Before register allocation", true);
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1834 computeLocalLiveSets();
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1835 computeGlobalLiveSets();
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1836 buildIntervals();
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1837 sortIntervalsBeforeAllocation();
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1838 } catch (Throwable e) {
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1839 throw Debug.handle(e);
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1840 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1841
13197
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1842 try (Scope s = Debug.scope("RegisterAllocation")) {
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1843 printIntervals("Before register allocation");
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1844 allocateRegisters();
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1845 } catch (Throwable e) {
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1846 throw Debug.handle(e);
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1847 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1848
13197
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1849 try (Scope s = Debug.scope("ResolveDataFlow")) {
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1850 resolveDataFlow();
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1851 } catch (Throwable e) {
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1852 throw Debug.handle(e);
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1853 }
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1854
13197
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1855 try (Scope s = Debug.scope("DebugInfo")) {
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1856 frameMap.finish();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1857
13197
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1858 printIntervals("After register allocation");
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1859 printLir("After register allocation", true);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1860
13197
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1861 sortIntervalsAfterAllocation();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1862
13197
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1863 if (DetailedAsserts.getValue()) {
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1864 verify();
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1865 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1866
13197
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1867 eliminateSpillMoves();
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1868 assignLocations();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1869
13197
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1870 if (DetailedAsserts.getValue()) {
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1871 verifyIntervals();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1872 }
13197
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1873 } catch (Throwable e) {
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1874 throw Debug.handle(e);
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1875 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1876
13197
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1877 try (Scope s = Debug.scope("ControlFlowOptimizations")) {
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1878 printLir("After register number assignment", true);
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1879 EdgeMoveOptimizer.optimize(ir);
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1880 ControlFlowOptimizer.optimize(ir);
13339
3603fab248a6 added redundant move elimination as post-pass to LinearScan
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13197
diff changeset
1881 RedundantMoveElimination.optimize(ir, frameMap, gen.getGraph().method());
13197
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1882 NullCheckOptimizer.optimize(ir, target.implicitNullCheckLimit);
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1883 printLir("After control flow optimization", false);
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1884 } catch (Throwable e) {
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1885 throw Debug.handle(e);
8569b9e047cd change debug scopes implementation to prevent extra frames related to mechanism being added to call stack
Doug Simon <doug.simon@oracle.com>
parents: 12785
diff changeset
1886 }
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1887
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1888 indent.outdent();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1889 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1890
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1891 void printIntervals(String label) {
12683
5c5b02a165d4 moved a number of options to be declared closer to usage and cached some heavily accessed options in fields
Doug Simon <doug.simon@oracle.com>
parents: 12569
diff changeset
1892 if (getTraceLevel() >= 1) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1893 int i;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1894 TTY.println();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1895 TTY.println(label);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1896
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1897 for (Interval interval : intervals) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1898 if (interval != null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1899 TTY.out().println(interval.logString(this));
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1900 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1901 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1902
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1903 TTY.println();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1904 TTY.println("--- Basic Blocks ---");
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1905 for (i = 0; i < blockCount(); i++) {
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
1906 Block block = blockAt(i);
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents: 6352
diff changeset
1907 TTY.print("B%d [%d, %d, %s] ", block.getId(), getFirstLirInstructionId(block), getLastLirInstructionId(block), block.getLoop());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1908 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1909 TTY.println();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1910 TTY.println();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1911 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1912
4353
043bec543161 More work on debug framework. Removed concept of GraalContext.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 4352
diff changeset
1913 Debug.dump(Arrays.copyOf(intervals, intervalsSize), label);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1914 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1915
7556
630ea5001e33 Modified formatter settings to not insert line break after annotation on parameters.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7530
diff changeset
1916 void printLir(String label, @SuppressWarnings("unused") boolean hirValid) {
4353
043bec543161 More work on debug framework. Removed concept of GraalContext.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 4352
diff changeset
1917 Debug.dump(ir, label);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1918 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1919
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1920 boolean verify() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1921 // (check that all intervals have a correct register and that no registers are overwritten)
12683
5c5b02a165d4 moved a number of options to be declared closer to usage and cached some heavily accessed options in fields
Doug Simon <doug.simon@oracle.com>
parents: 12569
diff changeset
1922 if (getTraceLevel() >= 2) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1923 TTY.println(" verifying intervals *");
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1924 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1925 verifyIntervals();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1926
12683
5c5b02a165d4 moved a number of options to be declared closer to usage and cached some heavily accessed options in fields
Doug Simon <doug.simon@oracle.com>
parents: 12569
diff changeset
1927 if (getTraceLevel() >= 2) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1928 TTY.println(" verifying that no oops are in fixed intervals *");
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1929 }
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1930 // verifyNoOopsInFixedIntervals();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1931
12683
5c5b02a165d4 moved a number of options to be declared closer to usage and cached some heavily accessed options in fields
Doug Simon <doug.simon@oracle.com>
parents: 12569
diff changeset
1932 if (getTraceLevel() >= 2) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1933 TTY.println(" verifying that unpinned constants are not alive across block boundaries");
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1934 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1935 verifyConstants();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1936
12683
5c5b02a165d4 moved a number of options to be declared closer to usage and cached some heavily accessed options in fields
Doug Simon <doug.simon@oracle.com>
parents: 12569
diff changeset
1937 if (getTraceLevel() >= 2) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1938 TTY.println(" verifying register allocation *");
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1939 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1940 verifyRegisters();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1941
12683
5c5b02a165d4 moved a number of options to be declared closer to usage and cached some heavily accessed options in fields
Doug Simon <doug.simon@oracle.com>
parents: 12569
diff changeset
1942 if (getTraceLevel() >= 2) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1943 TTY.println(" no errors found *");
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1944 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1945
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1946 return true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1947 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1948
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1949 private void verifyRegisters() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1950 RegisterVerifier verifier = new RegisterVerifier(this);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1951 verifier.verify(blockAt(0));
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1952 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1953
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1954 void verifyIntervals() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1955 int len = intervalsSize;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1956
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1957 for (int i = 0; i < len; i++) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1958 Interval i1 = intervals[i];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1959 if (i1 == null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1960 continue;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1961 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1962
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1963 i1.checkSplitChildren();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1964
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1965 if (i1.operandNumber != i) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1966 TTY.println("Interval %d is on position %d in list", i1.operandNumber, i);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1967 TTY.println(i1.logString(this));
4616
53168434d0df Transform some CiBailout into GraalInternalError
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 4525
diff changeset
1968 throw new GraalInternalError("");
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1969 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1970
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1971 if (isVariable(i1.operand) && i1.kind() == Kind.Illegal) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1972 TTY.println("Interval %d has no type assigned", i1.operandNumber);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1973 TTY.println(i1.logString(this));
4616
53168434d0df Transform some CiBailout into GraalInternalError
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 4525
diff changeset
1974 throw new GraalInternalError("");
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1975 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1976
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1977 if (i1.location() == null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1978 TTY.println("Interval %d has no register assigned", i1.operandNumber);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1979 TTY.println(i1.logString(this));
4616
53168434d0df Transform some CiBailout into GraalInternalError
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 4525
diff changeset
1980 throw new GraalInternalError("");
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1981 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1982
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1983 if (i1.first() == Range.EndMarker) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1984 TTY.println("Interval %d has no Range", i1.operandNumber);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1985 TTY.println(i1.logString(this));
4616
53168434d0df Transform some CiBailout into GraalInternalError
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 4525
diff changeset
1986 throw new GraalInternalError("");
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1987 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1988
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1989 for (Range r = i1.first(); r != Range.EndMarker; r = r.next) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1990 if (r.from >= r.to) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1991 TTY.println("Interval %d has zero length range", i1.operandNumber);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1992 TTY.println(i1.logString(this));
4616
53168434d0df Transform some CiBailout into GraalInternalError
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 4525
diff changeset
1993 throw new GraalInternalError("");
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1994 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1995 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1996
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1997 for (int j = i + 1; j < len; j++) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1998 Interval i2 = intervals[j];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1999 if (i2 == null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2000 continue;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2001 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2002
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2003 // special intervals that are created in MoveResolver
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2004 // . ignore them because the range information has no meaning there
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2005 if (i1.from() == 1 && i1.to() == 2) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2006 continue;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2007 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2008 if (i2.from() == 1 && i2.to() == 2) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2009 continue;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2010 }
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
2011 Value l1 = i1.location();
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
2012 Value l2 = i2.location();
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
2013 if (i1.intersects(i2) && !isIllegal(l1) && (l1.equals(l2))) {
9855
6898d8995866 converted more options from GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 9632
diff changeset
2014 if (DetailedAsserts.getValue()) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2015 TTY.println("Intervals %d and %d overlap and have the same register assigned", i1.operandNumber, i2.operandNumber);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2016 TTY.println(i1.logString(this));
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2017 TTY.println(i2.logString(this));
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2018 }
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5542
diff changeset
2019 throw new BailoutException("");
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2020 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2021 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2022 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2023 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2024
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2025 class CheckProcedure extends ValueProcedure {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
2026
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2027 boolean ok;
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2028 Interval curInterval;
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2029
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2030 @Override
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
2031 protected Value doValue(Value operand) {
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2032 if (isRegister(operand)) {
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2033 if (intervalFor(operand) == curInterval) {
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2034 ok = true;
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2035 }
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2036 }
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2037 return operand;
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2038 }
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2039 }
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2040
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2041 void verifyNoOopsInFixedIntervals() {
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2042 CheckProcedure checkProc = new CheckProcedure();
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2043
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2044 Interval fixedIntervals;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2045 Interval otherIntervals;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2046 fixedIntervals = createUnhandledLists(IS_PRECOLORED_INTERVAL, null).first;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2047 // to ensure a walking until the last instruction id, add a dummy interval
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2048 // with a high operation id
6539
2463eb24b644 Cleanup of Graal API: Rename methods so that it follows the getXxx naming convention and so that they are similar to the names of the java.lang.reflect classes. Remove unused methods.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6529
diff changeset
2049 otherIntervals = new Interval(Value.ILLEGAL, -1);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2050 otherIntervals.addRange(Integer.MAX_VALUE - 2, Integer.MAX_VALUE - 1);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2051 IntervalWalker iw = new IntervalWalker(this, fixedIntervals, otherIntervals);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2052
7501
799dd373fcb6 Remove caching of sorted blocks in LSRA.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7499
diff changeset
2053 for (Block block : sortedBlocks) {
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents: 6352
diff changeset
2054 List<LIRInstruction> instructions = ir.lir(block);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2055
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2056 for (int j = 0; j < instructions.size(); j++) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2057 LIRInstruction op = instructions.get(j);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2058
5733
141b15521a39 use annotated fields for operands of LIR instructions
Christian Wimmer <christian.wimmer@oracle.com>
parents: 5711
diff changeset
2059 if (op.hasState()) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2060 iw.walkBefore(op.id());
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2061 boolean checkLive = true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2062
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2063 // Make sure none of the fixed registers is live across an
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2064 // oopmap since we can't handle that correctly.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2065 if (checkLive) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2066 for (Interval interval = iw.activeLists.get(RegisterBinding.Fixed); interval != Interval.EndMarker; interval = interval.next) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2067 if (interval.currentTo() > op.id() + 1) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2068 // This interval is live out of this op so make sure
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2069 // that this interval represents some value that's
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2070 // referenced by this op either as an input or output.
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2071 checkProc.curInterval = interval;
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2072 checkProc.ok = false;
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2073
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2074 op.forEachInput(checkProc);
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2075 op.forEachAlive(checkProc);
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2076 op.forEachTemp(checkProc);
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2077 op.forEachOutput(checkProc);
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2078
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2079 assert checkProc.ok : "fixed intervals should never be live across an oopmap point";
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2080 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2081 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2082 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2083 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2084 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2085 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2086 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2087
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2088 void verifyConstants() {
7501
799dd373fcb6 Remove caching of sorted blocks in LSRA.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7499
diff changeset
2089 for (Block block : sortedBlocks) {
5541
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
2090 BitSet liveAtEdge = blockData.get(block).liveIn;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2091
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2092 // visit all operands where the liveAtEdge bit is set
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2093 for (int operandNum = liveAtEdge.nextSetBit(0); operandNum >= 0; operandNum = liveAtEdge.nextSetBit(operandNum + 1)) {
12683
5c5b02a165d4 moved a number of options to be declared closer to usage and cached some heavily accessed options in fields
Doug Simon <doug.simon@oracle.com>
parents: 12569
diff changeset
2094 if (getTraceLevel() >= 4) {
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
2095 TTY.println("checking interval %d of block B%d", operandNum, block.getId());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2096 }
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
2097 Value operand = operandFor(operandNum);
4183
9e0c1b4cfef5 Move all isXxx and asXxx out of CiValue and into their own util class.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4181
diff changeset
2098 assert isVariable(operand) : "value must have variable operand";
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2099 // TKR assert value.asConstant() == null || value.isPinned() :
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2100 // "only pinned constants can be alive accross block boundaries";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2101 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2102 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2103 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2104 }