Mercurial > hg > truffle
annotate graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/alloc/LinearScan.java @ 16796:0d47af538a92
Outsource Value/StateProcedure classes into files.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Tue, 12 Aug 2014 16:18:07 +0200 |
parents | 505c17ed39da |
children | 067dbd8e7114 |
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1 /* |
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2 * Copyright (c) 2009, 2014, 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.compiler.common.cfg.AbstractControlFlowGraph.*; |
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29 import static com.oracle.graal.lir.LIRValueUtil.*; |
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30 |
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31 import java.util.*; |
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32 |
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33 import com.oracle.graal.alloc.*; |
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34 import com.oracle.graal.api.code.*; |
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35 import com.oracle.graal.api.meta.*; |
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36 import com.oracle.graal.compiler.alloc.Interval.RegisterBinding; |
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37 import com.oracle.graal.compiler.alloc.Interval.RegisterPriority; |
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38 import com.oracle.graal.compiler.alloc.Interval.SpillState; |
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39 import com.oracle.graal.compiler.common.*; |
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40 import com.oracle.graal.compiler.common.cfg.*; |
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41 import com.oracle.graal.compiler.gen.*; |
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42 import com.oracle.graal.debug.*; |
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43 import com.oracle.graal.debug.Debug.Scope; |
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44 import com.oracle.graal.lir.*; |
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45 import com.oracle.graal.lir.LIRInstruction.OperandFlag; |
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46 import com.oracle.graal.lir.LIRInstruction.OperandMode; |
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47 import com.oracle.graal.lir.StandardOp.MoveOp; |
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48 import com.oracle.graal.nodes.*; |
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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 final TargetDescription target; |
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61 final LIR ir; |
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62 final FrameMap frameMap; |
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63 final RegisterAttributes[] registerAttributes; |
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64 final Register[] registers; |
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65 |
10961 | 66 boolean callKillsRegisters; |
67 | |
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68 public static final int DOMINATOR_SPILL_MOVE_ID = -2; |
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69 private static final int SPLIT_INTERVALS_CAPACITY_RIGHT_SHIFT = 1; |
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70 |
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71 public static class Options { |
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72 // @formatter:off |
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73 @Option(help = "Enable spill position optimization") |
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74 public static final OptionValue<Boolean> LSRAOptimizeSpillPosition = new OptionValue<>(true); |
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75 // @formatter:on |
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76 } |
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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<? extends AbstractBlock<?>> 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 AbstractBlock |
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147 * block} containing the instruction. Entries should be retrieved with {@link #blockForId(int)} |
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148 * as the id is not simply an index into this array. |
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149 */ |
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150 AbstractBlock<?>[] 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 {@linkplain #operandNumber(Value) number} of the first variable operand allocated. |
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159 */ |
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160 private final int firstVariableNumber; |
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161 |
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162 public LinearScan(TargetDescription target, LIR ir, FrameMap frameMap) { |
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163 this.target = target; |
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164 this.ir = ir; |
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165 this.frameMap = frameMap; |
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166 this.sortedBlocks = ir.linearScanOrder(); |
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167 this.registerAttributes = frameMap.registerConfig.getAttributesMap(); |
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168 |
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169 this.registers = target.arch.getRegisters(); |
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170 this.firstVariableNumber = registers.length; |
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171 this.blockData = new BlockMap<>(ir.getControlFlowGraph()); |
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172 } |
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173 |
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174 public int getFirstLirInstructionId(AbstractBlock<?> block) { |
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175 int result = ir.getLIRforBlock(block).get(0).id(); |
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176 assert result >= 0; |
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177 return result; |
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178 } |
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179 |
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180 public int getLastLirInstructionId(AbstractBlock<?> block) { |
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181 List<LIRInstruction> instructions = ir.getLIRforBlock(block); |
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182 int result = instructions.get(instructions.size() - 1).id(); |
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183 assert result >= 0; |
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184 return result; |
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185 } |
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186 |
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187 public static boolean isVariableOrRegister(Value value) { |
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188 return isVariable(value) || isRegister(value); |
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189 } |
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190 |
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191 /** |
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192 * Converts an operand (variable or register) to an index in a flat address space covering all |
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193 * the {@linkplain Variable variables} and {@linkplain RegisterValue registers} being processed |
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194 * by this allocator. |
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195 */ |
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196 private int operandNumber(Value operand) { |
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197 if (isRegister(operand)) { |
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198 int number = asRegister(operand).number; |
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199 assert number < firstVariableNumber; |
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200 return number; |
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201 } |
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202 assert isVariable(operand) : operand; |
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203 return firstVariableNumber + ((Variable) operand).index; |
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204 } |
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205 |
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206 /** |
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207 * Gets the number of operands. This value will increase by 1 for new variable. |
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208 */ |
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209 private int operandSize() { |
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210 return firstVariableNumber + ir.numVariables(); |
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211 } |
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212 |
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213 /** |
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214 * Gets the highest operand number for a register operand. This value will never change. |
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215 */ |
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216 public int maxRegisterNumber() { |
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217 return firstVariableNumber - 1; |
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218 } |
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219 |
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220 static final IntervalPredicate IS_PRECOLORED_INTERVAL = new IntervalPredicate() { |
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221 |
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222 @Override |
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223 public boolean apply(Interval i) { |
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224 return isRegister(i.operand); |
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225 } |
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226 }; |
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227 |
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228 static final IntervalPredicate IS_VARIABLE_INTERVAL = new IntervalPredicate() { |
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229 |
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230 @Override |
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231 public boolean apply(Interval i) { |
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232 return isVariable(i.operand); |
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233 } |
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234 }; |
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235 |
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236 static final IntervalPredicate IS_STACK_INTERVAL = new IntervalPredicate() { |
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237 |
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238 @Override |
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239 public boolean apply(Interval i) { |
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240 return !isRegister(i.operand); |
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241 } |
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242 }; |
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243 |
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244 /** |
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245 * Gets an object describing the attributes of a given register according to this register |
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246 * configuration. |
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247 */ |
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248 RegisterAttributes attributes(Register reg) { |
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249 return registerAttributes[reg.number]; |
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250 } |
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251 |
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252 void assignSpillSlot(Interval interval) { |
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253 // assign the canonical spill slot of the parent (if a part of the interval |
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254 // is already spilled) or allocate a new spill slot |
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255 if (interval.canMaterialize()) { |
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256 interval.assignLocation(Value.ILLEGAL); |
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257 } else if (interval.spillSlot() != null) { |
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258 interval.assignLocation(interval.spillSlot()); |
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259 } else { |
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260 StackSlot slot = frameMap.allocateSpillSlot(interval.kind()); |
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261 interval.setSpillSlot(slot); |
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262 interval.assignLocation(slot); |
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263 } |
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264 } |
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265 |
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266 /** |
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267 * Creates a new interval. |
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268 * |
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269 * @param operand the operand for the interval |
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270 * @return the created interval |
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271 */ |
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272 Interval createInterval(AllocatableValue operand) { |
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273 assert isLegal(operand); |
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274 int operandNumber = operandNumber(operand); |
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275 Interval interval = new Interval(operand, operandNumber); |
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276 assert operandNumber < intervalsSize; |
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277 assert intervals[operandNumber] == null; |
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278 intervals[operandNumber] = interval; |
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279 return interval; |
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280 } |
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281 |
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282 /** |
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283 * Creates an interval as a result of splitting or spilling another interval. |
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284 * |
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285 * @param source an interval being split of spilled |
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286 * @return a new interval derived from {@code source} |
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287 */ |
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288 Interval createDerivedInterval(Interval source) { |
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289 if (firstDerivedIntervalIndex == -1) { |
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290 firstDerivedIntervalIndex = intervalsSize; |
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291 } |
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292 if (intervalsSize == intervals.length) { |
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293 intervals = Arrays.copyOf(intervals, intervals.length + (intervals.length >> SPLIT_INTERVALS_CAPACITY_RIGHT_SHIFT)); |
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294 } |
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295 intervalsSize++; |
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296 Variable variable = new Variable(source.kind(), ir.nextVariable()); |
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297 |
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298 Interval interval = createInterval(variable); |
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299 assert intervals[intervalsSize - 1] == interval; |
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300 return interval; |
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301 } |
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302 |
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303 // access to block list (sorted in linear scan order) |
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304 int blockCount() { |
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305 return sortedBlocks.size(); |
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306 } |
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307 |
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308 AbstractBlock<?> blockAt(int index) { |
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309 return sortedBlocks.get(index); |
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310 } |
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311 |
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312 /** |
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313 * Gets the size of the {@link BlockData#liveIn} and {@link BlockData#liveOut} sets for a basic |
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314 * block. These sets do not include any operands allocated as a result of creating |
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315 * {@linkplain #createDerivedInterval(Interval) derived intervals}. |
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316 */ |
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317 int liveSetSize() { |
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318 return firstDerivedIntervalIndex == -1 ? operandSize() : firstDerivedIntervalIndex; |
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319 } |
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320 |
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321 int numLoops() { |
15107 | 322 return ir.getControlFlowGraph().getLoops().size(); |
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323 } |
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324 |
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325 boolean isIntervalInLoop(int interval, int loop) { |
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326 return intervalInLoop.at(interval, loop); |
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327 } |
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328 |
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329 Interval intervalFor(int operandNumber) { |
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330 return intervals[operandNumber]; |
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331 } |
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332 |
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333 Interval intervalFor(Value operand) { |
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334 int operandNumber = operandNumber(operand); |
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335 assert operandNumber < intervalsSize; |
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336 return intervals[operandNumber]; |
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337 } |
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338 |
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339 Interval getOrCreateInterval(AllocatableValue operand) { |
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340 Interval ret = intervalFor(operand); |
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341 if (ret == null) { |
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342 return createInterval(operand); |
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343 } else { |
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344 return ret; |
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345 } |
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346 } |
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347 |
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348 /** |
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349 * Gets the highest instruction id allocated by this object. |
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350 */ |
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351 int maxOpId() { |
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352 assert opIdToInstructionMap.length > 0 : "no operations"; |
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353 return (opIdToInstructionMap.length - 1) << 1; |
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354 } |
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parents:
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355 |
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parents:
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|
356 /** |
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parents:
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|
357 * Converts an {@linkplain LIRInstruction#id instruction id} to an instruction index. All LIR |
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358 * instructions in a method have an index one greater than their linear-scan order predecesor |
3733
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359 * with the first instruction having an index of 0. |
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360 */ |
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parents:
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361 static int opIdToIndex(int opId) { |
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parents:
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362 return opId >> 1; |
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parents:
diff
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|
363 } |
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parents:
diff
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|
364 |
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parents:
diff
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|
365 /** |
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parents:
diff
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|
366 * Retrieves the {@link LIRInstruction} based on its {@linkplain LIRInstruction#id id}. |
14871
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parents:
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diff
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|
367 * |
3733
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368 * @param opId an instruction {@linkplain LIRInstruction#id id} |
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parents:
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369 * @return the instruction whose {@linkplain LIRInstruction#id} {@code == id} |
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370 */ |
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parents:
diff
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371 LIRInstruction instructionForId(int opId) { |
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372 assert isEven(opId) : "opId not even"; |
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373 LIRInstruction instr = opIdToInstructionMap[opIdToIndex(opId)]; |
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374 assert instr.id() == opId; |
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375 return instr; |
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376 } |
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377 |
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378 /** |
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379 * Gets the block containing a given instruction. |
14871
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parents:
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380 * |
3733
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381 * @param opId an instruction {@linkplain LIRInstruction#id id} |
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382 * @return the block containing the instruction denoted by {@code opId} |
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parents:
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383 */ |
14152
42013bd831d6
Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents:
14145
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|
384 AbstractBlock<?> blockForId(int opId) { |
3733
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385 assert opIdToBlockMap.length > 0 && opId >= 0 && opId <= maxOpId() + 1 : "opId out of range"; |
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386 return opIdToBlockMap[opIdToIndex(opId)]; |
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387 } |
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388 |
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389 boolean isBlockBegin(int opId) { |
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390 return opId == 0 || blockForId(opId) != blockForId(opId - 1); |
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391 } |
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392 |
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393 boolean coversBlockBegin(int opId1, int opId2) { |
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394 return blockForId(opId1) != blockForId(opId2); |
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395 } |
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396 |
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|
397 /** |
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|
398 * Determines if an {@link LIRInstruction} destroys all caller saved registers. |
14871
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|
399 * |
3733
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400 * @param opId an instruction {@linkplain LIRInstruction#id id} |
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401 * @return {@code true} if the instruction denoted by {@code id} destroys all caller saved |
5e3d1a68664e
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402 * registers. |
3733
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403 */ |
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404 boolean hasCall(int opId) { |
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|
405 assert isEven(opId) : "opId not even"; |
9454
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renaming for improved clarity: hasCall -> destroysCallerSavedRegisters
Doug Simon <doug.simon@oracle.com>
parents:
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diff
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406 return instructionForId(opId).destroysCallerSavedRegisters(); |
3733
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407 } |
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408 |
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|
409 /** |
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410 * Eliminates moves from register to stack if the stack slot is known to be correct. |
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411 */ |
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412 void changeSpillDefinitionPos(Interval interval, int defPos) { |
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413 assert interval.isSplitParent() : "can only be called for split parents"; |
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414 |
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415 switch (interval.spillState()) { |
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416 case NoDefinitionFound: |
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417 assert interval.spillDefinitionPos() == -1 : "must no be set before"; |
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418 interval.setSpillDefinitionPos(defPos); |
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419 interval.setSpillState(SpillState.NoSpillStore); |
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420 break; |
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421 |
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422 case NoSpillStore: |
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|
423 assert defPos <= interval.spillDefinitionPos() : "positions are processed in reverse order when intervals are created"; |
6462 | 424 if (defPos < interval.spillDefinitionPos() - 2) { |
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425 // second definition found, so no spill optimization possible for this interval |
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426 interval.setSpillState(SpillState.NoOptimization); |
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|
427 } else { |
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parents:
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428 // two consecutive definitions (because of two-operand LIR form) |
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parents:
diff
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|
429 assert blockForId(defPos) == blockForId(interval.spillDefinitionPos()) : "block must be equal"; |
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parents:
diff
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|
430 } |
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parents:
diff
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|
431 break; |
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parents:
diff
changeset
|
432 |
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parents:
diff
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|
433 case NoOptimization: |
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parents:
diff
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|
434 // nothing to do |
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parents:
diff
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|
435 break; |
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parents:
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|
436 |
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parents:
diff
changeset
|
437 default: |
5547
b6617d13ea44
Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5542
diff
changeset
|
438 throw new BailoutException("other states not allowed at this time"); |
3733
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diff
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|
439 } |
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parents:
diff
changeset
|
440 } |
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parents:
diff
changeset
|
441 |
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parents:
diff
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|
442 // called during register allocation |
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diff
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|
443 void changeSpillState(Interval interval, int spillPos) { |
e233f5660da4
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parents:
diff
changeset
|
444 switch (interval.spillState()) { |
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Added Java files from Maxine project.
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parents:
diff
changeset
|
445 case NoSpillStore: { |
4435
57cb8ec5f6bb
Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4394
diff
changeset
|
446 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
|
447 int spillLoopDepth = blockForId(spillPos).getLoopDepth(); |
3733
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diff
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|
448 |
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|
449 if (defLoopDepth < spillLoopDepth) { |
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parents:
diff
changeset
|
450 // the loop depth of the spilling position is higher then the loop depth |
16360
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
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|
451 // at the definition of the interval . move write to memory out of loop. |
16362
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
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parents:
16361
diff
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|
452 if (Options.LSRAOptimizeSpillPosition.getValue()) { |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
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parents:
16361
diff
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|
453 // find best spill position in dominator the tree |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
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parents:
16361
diff
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|
454 interval.setSpillState(SpillState.SpillInDominator); |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
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parents:
16361
diff
changeset
|
455 } else { |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
456 // store at definition of the interval |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
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parents:
16361
diff
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|
457 interval.setSpillState(SpillState.StoreAtDefinition); |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
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parents:
16361
diff
changeset
|
458 } |
3733
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diff
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|
459 } else { |
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parents:
diff
changeset
|
460 // the interval is currently spilled only once, so for now there is no |
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parents:
diff
changeset
|
461 // reason to store the interval at the definition |
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diff
changeset
|
462 interval.setSpillState(SpillState.OneSpillStore); |
e233f5660da4
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parents:
diff
changeset
|
463 } |
e233f5660da4
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parents:
diff
changeset
|
464 break; |
e233f5660da4
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parents:
diff
changeset
|
465 } |
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parents:
diff
changeset
|
466 |
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Added Java files from Maxine project.
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parents:
diff
changeset
|
467 case OneSpillStore: { |
16362
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
468 if (Options.LSRAOptimizeSpillPosition.getValue()) { |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
469 // the interval is spilled more then once |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
470 interval.setSpillState(SpillState.SpillInDominator); |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
471 } else { |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
472 // it is better to store it to |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
473 // memory at the definition |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
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474 interval.setSpillState(SpillState.StoreAtDefinition); |
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475 } |
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476 break; |
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|
477 } |
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478 |
16359
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|
479 case SpillInDominator: |
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480 case StoreAtDefinition: |
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481 case StartInMemory: |
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482 case NoOptimization: |
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483 case NoDefinitionFound: |
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484 // nothing to do |
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485 break; |
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486 |
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487 default: |
5547
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Dropping Ci* prefixes. Some additional renamings in the api.code interface.
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|
488 throw new BailoutException("other states not allowed at this time"); |
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489 } |
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490 } |
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491 |
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492 abstract static class IntervalPredicate { |
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493 |
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494 abstract boolean apply(Interval i); |
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495 } |
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496 |
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497 private static final IntervalPredicate mustStoreAtDefinition = new IntervalPredicate() { |
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498 |
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499 @Override |
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500 public boolean apply(Interval i) { |
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501 return i.isSplitParent() && i.spillState() == SpillState.StoreAtDefinition; |
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502 } |
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503 }; |
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504 |
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505 // called once before assignment of register numbers |
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506 void eliminateSpillMoves() { |
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507 try (Indent indent = Debug.logAndIndent("Eliminating unnecessary spill moves")) { |
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508 |
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509 // collect all intervals that must be stored after their definition. |
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510 // the list is sorted by Interval.spillDefinitionPos |
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511 Interval interval; |
16379
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512 interval = createUnhandledLists(mustStoreAtDefinition, null).first; |
14871
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|
513 if (DetailedAsserts.getValue()) { |
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|
514 checkIntervals(interval); |
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|
515 } |
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|
516 |
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517 LIRInsertionBuffer insertionBuffer = new LIRInsertionBuffer(); |
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518 for (AbstractBlock<?> block : sortedBlocks) { |
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519 List<LIRInstruction> instructions = ir.getLIRforBlock(block); |
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|
520 int numInst = instructions.size(); |
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|
521 |
16379
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|
522 // iterate all instructions of the block. skip the first |
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523 // because it is always a label |
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|
524 for (int j = 1; j < numInst; j++) { |
14871
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|
525 LIRInstruction op = instructions.get(j); |
667710021ea1
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|
526 int opId = op.id(); |
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|
527 |
14871
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|
528 if (opId == -1) { |
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|
529 MoveOp move = (MoveOp) op; |
667710021ea1
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|
530 // remove move from register to stack if the stack slot is guaranteed to be |
667710021ea1
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|
531 // correct. |
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|
532 // only moves that have been inserted by LinearScan can be removed. |
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|
533 assert isVariable(move.getResult()) : "LinearScan inserts only moves to variables"; |
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|
534 |
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|
535 Interval curInterval = intervalFor(move.getResult()); |
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|
536 |
14871
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|
537 if (!isRegister(curInterval.location()) && curInterval.alwaysInMemory()) { |
667710021ea1
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|
538 // move target is a stack slot that is always correct, so eliminate |
667710021ea1
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|
539 // instruction |
667710021ea1
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parents:
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|
540 if (Debug.isLogEnabled()) { |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
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diff
changeset
|
541 Debug.log("eliminating move from interval %d to %d", operandNumber(move.getInput()), operandNumber(move.getResult())); |
667710021ea1
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diff
changeset
|
542 } |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
543 // null-instructions are deleted by assignRegNum |
667710021ea1
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parents:
14841
diff
changeset
|
544 instructions.set(j, null); |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
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diff
changeset
|
545 } |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
546 |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
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|
547 } else { |
667710021ea1
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parents:
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diff
changeset
|
548 // insert move from register to stack just after |
667710021ea1
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diff
changeset
|
549 // the beginning of the interval |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
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diff
changeset
|
550 assert interval == Interval.EndMarker || interval.spillDefinitionPos() >= opId : "invalid order"; |
16379
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LSRA spill optimization: backout changesets obsoleted by eager spill move placement.
Josef Eisl <josef.eisl@jku.at>
parents:
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diff
changeset
|
551 assert interval == Interval.EndMarker || (interval.isSplitParent() && interval.spillState() == SpillState.StoreAtDefinition) : "invalid interval"; |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
552 |
14871
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changeset
|
553 while (interval != Interval.EndMarker && interval.spillDefinitionPos() == opId) { |
667710021ea1
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parents:
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diff
changeset
|
554 if (!interval.canMaterialize()) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
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parents:
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diff
changeset
|
555 if (!insertionBuffer.initialized()) { |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
556 // prepare insertion buffer (appended when all instructions in |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
557 // the block are processed) |
667710021ea1
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parents:
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changeset
|
558 insertionBuffer.init(instructions); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
559 } |
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
560 |
16379
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LSRA spill optimization: backout changesets obsoleted by eager spill move placement.
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parents:
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diff
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|
561 AllocatableValue fromLocation = interval.location(); |
14871
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removed methods in Indent that are redundant with those in Debug
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parents:
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diff
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|
562 AllocatableValue toLocation = canonicalSpillOpr(interval); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
563 |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
564 assert isRegister(fromLocation) : "from operand must be a register but is: " + fromLocation + " toLocation=" + toLocation + " spillState=" + interval.spillState(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
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parents:
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diff
changeset
|
565 assert isStackSlot(toLocation) : "to operand must be a stack slot"; |
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff
changeset
|
566 |
16379
c5257d58b71a
LSRA spill optimization: backout changesets obsoleted by eager spill move placement.
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|
567 insertionBuffer.append(j + 1, ir.getSpillMoveFactory().createMove(toLocation, fromLocation)); |
14871
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removed methods in Indent that are redundant with those in Debug
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parents:
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diff
changeset
|
568 |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
569 Debug.log("inserting move after definition of interval %d to stack slot %s at opId %d", interval.operandNumber, interval.spillSlot(), opId); |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
570 } |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
571 interval = interval.next; |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
572 } |
3733
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diff
changeset
|
573 } |
14871
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|
574 } // end of instruction iteration |
3733
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|
575 |
14871
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removed methods in Indent that are redundant with those in Debug
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diff
changeset
|
576 if (insertionBuffer.initialized()) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
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parents:
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diff
changeset
|
577 insertionBuffer.finish(); |
3733
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diff
changeset
|
578 } |
14871
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Doug Simon <doug.simon@oracle.com>
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diff
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|
579 } // end of block iteration |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
580 |
14871
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parents:
14841
diff
changeset
|
581 assert interval == Interval.EndMarker : "missed an interval"; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
582 } |
3733
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diff
changeset
|
583 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
584 |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
585 private static void checkIntervals(Interval interval) { |
3733
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parents:
diff
changeset
|
586 Interval prev = null; |
e233f5660da4
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parents:
diff
changeset
|
587 Interval temp = interval; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
588 while (temp != Interval.EndMarker) { |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
589 assert temp.spillDefinitionPos() > 0 : "invalid spill definition pos"; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
590 if (prev != null) { |
16379
c5257d58b71a
LSRA spill optimization: backout changesets obsoleted by eager spill move placement.
Josef Eisl <josef.eisl@jku.at>
parents:
16378
diff
changeset
|
591 assert temp.from() >= prev.from() : "intervals not sorted"; |
3733
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
592 assert temp.spillDefinitionPos() >= prev.spillDefinitionPos() : "when intervals are sorted by from : then they must also be sorted by spillDefinitionPos"; |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
593 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
594 |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
595 assert temp.spillSlot() != null || temp.canMaterialize() : "interval has no spill slot assigned"; |
3733
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
596 assert temp.spillDefinitionPos() >= temp.from() : "invalid order"; |
16379
c5257d58b71a
LSRA spill optimization: backout changesets obsoleted by eager spill move placement.
Josef Eisl <josef.eisl@jku.at>
parents:
16378
diff
changeset
|
597 assert temp.spillDefinitionPos() <= temp.from() + 2 : "only intervals defined once at their start-pos can be optimized"; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
598 |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
599 Debug.log("interval %d (from %d to %d) must be stored at %d", temp.operandNumber, temp.from(), temp.to(), temp.spillDefinitionPos()); |
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
600 |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
601 prev = temp; |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
602 temp = temp.next; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
603 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
604 } |
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 /** |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7512
diff
changeset
|
607 * Numbers all instructions in all blocks. The numbering follows the |
5e3d1a68664e
applied mx eclipseformat to all Java files
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parents:
7512
diff
changeset
|
608 * {@linkplain ComputeBlockOrder linear scan order}. |
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
609 */ |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
610 void numberInstructions() { |
15884
0e6f83eeb0ab
Clean up in LinearScan: Remove the need for a mapping of variable index to variable object.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15850
diff
changeset
|
611 |
0e6f83eeb0ab
Clean up in LinearScan: Remove the need for a mapping of variable index to variable object.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15850
diff
changeset
|
612 intervalsSize = operandSize(); |
15885
4d18c6bb6b3a
LinearScan: Improve initialization and resizing of intervals array.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15884
diff
changeset
|
613 intervals = new Interval[intervalsSize + (intervalsSize >> SPLIT_INTERVALS_CAPACITY_RIGHT_SHIFT)]; |
15884
0e6f83eeb0ab
Clean up in LinearScan: Remove the need for a mapping of variable index to variable object.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15850
diff
changeset
|
614 |
4206
430b5db3e6f8
Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4199
diff
changeset
|
615 ValueProcedure setVariableProc = new ValueProcedure() { |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7512
diff
changeset
|
616 |
4206
430b5db3e6f8
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parents:
4199
diff
changeset
|
617 @Override |
5539
bc647d8b0080
Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5536
diff
changeset
|
618 public Value doValue(Value value) { |
4206
430b5db3e6f8
Remove CiVariable from the CRI
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parents:
4199
diff
changeset
|
619 if (isVariable(value)) { |
15884
0e6f83eeb0ab
Clean up in LinearScan: Remove the need for a mapping of variable index to variable object.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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diff
changeset
|
620 getOrCreateInterval(asVariable(value)); |
4206
430b5db3e6f8
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parents:
4199
diff
changeset
|
621 } |
430b5db3e6f8
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parents:
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|
622 return value; |
430b5db3e6f8
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parents:
4199
diff
changeset
|
623 } |
430b5db3e6f8
Remove CiVariable from the CRI
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parents:
4199
diff
changeset
|
624 }; |
430b5db3e6f8
Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4199
diff
changeset
|
625 |
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
626 // Assign IDs to LIR nodes and build a mapping, lirOps, from ID to LIRInstruction node. |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
627 int numInstructions = 0; |
14152
42013bd831d6
Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents:
14145
diff
changeset
|
628 for (AbstractBlock<?> block : sortedBlocks) { |
14806
a8723f1ff542
LIR renamed setter and getter functions.
Josef Eisl <josef.eisl@jku.at>
parents:
14789
diff
changeset
|
629 numInstructions += ir.getLIRforBlock(block).size(); |
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
630 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
631 |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
632 // initialize with correct length |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
633 opIdToInstructionMap = new LIRInstruction[numInstructions]; |
14789
1596a21c4194
Move remaining Block references in LinearScan to AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents:
14152
diff
changeset
|
634 opIdToBlockMap = new AbstractBlock<?>[numInstructions]; |
3733
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parents:
diff
changeset
|
635 |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
636 int opId = 0; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
637 int index = 0; |
14152
42013bd831d6
Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents:
14145
diff
changeset
|
638 for (AbstractBlock<?> block : sortedBlocks) { |
4435
57cb8ec5f6bb
Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4394
diff
changeset
|
639 blockData.put(block, new BlockData()); |
57cb8ec5f6bb
Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4394
diff
changeset
|
640 |
14806
a8723f1ff542
LIR renamed setter and getter functions.
Josef Eisl <josef.eisl@jku.at>
parents:
14789
diff
changeset
|
641 List<LIRInstruction> instructions = ir.getLIRforBlock(block); |
3733
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
642 |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
643 int numInst = instructions.size(); |
e233f5660da4
Added Java files from Maxine project.
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parents:
diff
changeset
|
644 for (int j = 0; j < numInst; j++) { |
e233f5660da4
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parents:
diff
changeset
|
645 LIRInstruction op = instructions.get(j); |
e233f5660da4
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parents:
diff
changeset
|
646 op.setId(opId); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
647 |
e233f5660da4
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parents:
diff
changeset
|
648 opIdToInstructionMap[index] = op; |
e233f5660da4
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parents:
diff
changeset
|
649 opIdToBlockMap[index] = block; |
e233f5660da4
Added Java files from Maxine project.
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parents:
diff
changeset
|
650 assert instructionForId(opId) == op : "must match"; |
e233f5660da4
Added Java files from Maxine project.
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parents:
diff
changeset
|
651 |
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parents:
4199
diff
changeset
|
652 op.forEachTemp(setVariableProc); |
430b5db3e6f8
Remove CiVariable from the CRI
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parents:
4199
diff
changeset
|
653 op.forEachOutput(setVariableProc); |
430b5db3e6f8
Remove CiVariable from the CRI
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parents:
4199
diff
changeset
|
654 |
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
655 index++; |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
656 opId += 2; // numbering of lirOps by two |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
657 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
658 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
659 assert index == numInstructions : "must match"; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
660 assert (index << 1) == opId : "must match: " + (index << 1); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
661 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
662 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
663 /** |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7512
diff
changeset
|
664 * Computes local live sets (i.e. {@link BlockData#liveGen} and {@link BlockData#liveKill}) |
5e3d1a68664e
applied mx eclipseformat to all Java files
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parents:
7512
diff
changeset
|
665 * separately for each block. |
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
666 */ |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
667 void computeLocalLiveSets() { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
668 int liveSize = liveSetSize(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
669 |
4245
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
670 intervalInLoop = new BitMap2D(operandSize(), numLoops()); |
3733
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
671 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
672 // iterate all blocks |
14152
42013bd831d6
Make LinearScan use AbstractBlock.
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parents:
14145
diff
changeset
|
673 for (final AbstractBlock<?> block : sortedBlocks) { |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
674 try (Indent indent = Debug.logAndIndent("compute local live sets for block %d", block.getId())) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
675 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
676 final BitSet liveGen = new BitSet(liveSize); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
677 final BitSet liveKill = new BitSet(liveSize); |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
678 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
679 List<LIRInstruction> instructions = ir.getLIRforBlock(block); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
680 int numInst = instructions.size(); |
3733
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parents:
diff
changeset
|
681 |
15887
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
682 ValueProcedure useProc = new ValueProcedure() { |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
683 |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
684 @Override |
839ea165f816
LinearScan: Small cleanup.
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parents:
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diff
changeset
|
685 protected Value doValue(Value operand) { |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
686 if (isVariable(operand)) { |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
687 int operandNum = operandNumber(operand); |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
688 if (!liveKill.get(operandNum)) { |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
689 liveGen.set(operandNum); |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
690 Debug.log("liveGen for operand %d", operandNum); |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
691 } |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
692 if (block.getLoop() != null) { |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
693 intervalInLoop.setBit(operandNum, block.getLoop().getIndex()); |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
694 } |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
695 } |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
696 |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
697 if (DetailedAsserts.getValue()) { |
839ea165f816
LinearScan: Small cleanup.
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parents:
15886
diff
changeset
|
698 verifyInput(block, liveKill, operand); |
839ea165f816
LinearScan: Small cleanup.
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parents:
15886
diff
changeset
|
699 } |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
700 return operand; |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
701 } |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
702 }; |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
703 ValueProcedure stateProc = new ValueProcedure() { |
839ea165f816
LinearScan: Small cleanup.
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parents:
15886
diff
changeset
|
704 |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
705 @Override |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
706 public Value doValue(Value operand) { |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
707 int operandNum = operandNumber(operand); |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
708 if (!liveKill.get(operandNum)) { |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
709 liveGen.set(operandNum); |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
710 Debug.log("liveGen in state for operand %d", operandNum); |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
711 } |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
712 return operand; |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
713 } |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
714 }; |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
715 ValueProcedure defProc = new ValueProcedure() { |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
716 |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
717 @Override |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
718 public Value doValue(Value operand) { |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
719 if (isVariable(operand)) { |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
720 int varNum = operandNumber(operand); |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
721 liveKill.set(varNum); |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
722 Debug.log("liveKill for operand %d", varNum); |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
723 if (block.getLoop() != null) { |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
724 intervalInLoop.setBit(varNum, block.getLoop().getIndex()); |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
725 } |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
726 } |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
727 |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
728 if (DetailedAsserts.getValue()) { |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
729 // fixed intervals are never live at block boundaries, so |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
730 // they need not be processed in live sets |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
731 // process them only in debug mode so that this can be checked |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
732 verifyTemp(liveKill, operand); |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
733 } |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
734 return operand; |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
735 } |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
736 }; |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
737 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
738 // iterate all instructions of the block |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
739 for (int j = 0; j < numInst; j++) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
740 final LIRInstruction op = instructions.get(j); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
741 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
742 try (Indent indent2 = Debug.logAndIndent("handle op %d", op.id())) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
743 op.forEachInput(useProc); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
744 op.forEachAlive(useProc); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
745 // Add uses of live locals from interpreter's point of view for proper debug |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
746 // information generation |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
747 op.forEachState(stateProc); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
748 op.forEachTemp(defProc); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
749 op.forEachOutput(defProc); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
750 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
751 } // end of instruction iteration |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
752 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
753 BlockData blockSets = blockData.get(block); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
754 blockSets.liveGen = liveGen; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
755 blockSets.liveKill = liveKill; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
756 blockSets.liveIn = new BitSet(liveSize); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
757 blockSets.liveOut = new BitSet(liveSize); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
758 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
759 Debug.log("liveGen B%d %s", block.getId(), blockSets.liveGen); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
760 Debug.log("liveKill B%d %s", block.getId(), blockSets.liveKill); |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
761 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
762 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
763 } // end of block iteration |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
764 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
765 |
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
|
766 private void verifyTemp(BitSet liveKill, Value operand) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
767 // 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
|
768 // they need not be processed in live sets |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
769 // 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
|
770 if (isRegister(operand)) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
771 if (isProcessed(operand)) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
772 liveKill.set(operandNumber(operand)); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
773 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
774 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
775 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
776 |
14152
42013bd831d6
Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents:
14145
diff
changeset
|
777 private void verifyInput(AbstractBlock<?> block, BitSet liveKill, Value operand) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
778 // 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
|
779 // they need not be processed in live sets. |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
780 // 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
|
781 // the entry block may have incoming |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
782 // values in registers, which is ok. |
14145
4ff08c0366ae
Encapsulate LIR class fields.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
14142
diff
changeset
|
783 if (isRegister(operand) && block != ir.getControlFlowGraph().getStartBlock()) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
784 if (isProcessed(operand)) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
785 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
|
786 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
787 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
788 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
789 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
790 /** |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7512
diff
changeset
|
791 * 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
|
792 * {@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
|
793 */ |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
794 void computeGlobalLiveSets() { |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
795 try (Indent indent = Debug.logAndIndent("compute global live sets")) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
796 int numBlocks = blockCount(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
797 boolean changeOccurred; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
798 boolean changeOccurredInBlock; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
799 int iterationCount = 0; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
800 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
|
801 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
802 // Perform a backward dataflow analysis to compute liveOut and liveIn for each block. |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
803 // The loop is executed until a fixpoint is reached (no changes in an iteration) |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
804 do { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
805 changeOccurred = false; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
806 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
807 try (Indent indent2 = Debug.logAndIndent("new iteration %d", iterationCount)) { |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
808 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
809 // iterate all blocks in reverse order |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
810 for (int i = numBlocks - 1; i >= 0; i--) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
811 AbstractBlock<?> block = blockAt(i); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
812 BlockData blockSets = blockData.get(block); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
813 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
814 changeOccurredInBlock = false; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
815 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
816 // liveOut(block) is the union of liveIn(sux), for successors sux of block |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
817 int n = block.getSuccessorCount(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
818 if (n > 0) { |
15850
9ce2ca72efef
small cleanup in LinearScan
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15534
diff
changeset
|
819 liveOut.clear(); |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
820 // block has successors |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
821 if (n > 0) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
822 for (AbstractBlock<?> successor : block.getSuccessors()) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
823 liveOut.or(blockData.get(successor).liveIn); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
824 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
825 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
826 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
827 if (!blockSets.liveOut.equals(liveOut)) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
828 // A change occurred. Swap the old and new live out |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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changeset
|
829 // sets to avoid copying. |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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changeset
|
830 BitSet temp = blockSets.liveOut; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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changeset
|
831 blockSets.liveOut = liveOut; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
832 liveOut = temp; |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
833 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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changeset
|
834 changeOccurred = true; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
835 changeOccurredInBlock = true; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
836 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
837 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
838 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
839 if (iterationCount == 0 || changeOccurredInBlock) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
840 // liveIn(block) is the union of liveGen(block) with (liveOut(block) & |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
parents:
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changeset
|
841 // !liveKill(block)) |
667710021ea1
removed methods in Indent that are redundant with those in Debug
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parents:
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diff
changeset
|
842 // note: liveIn has to be computed only in first iteration |
667710021ea1
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parents:
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changeset
|
843 // or if liveOut has changed! |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
844 BitSet liveIn = blockSets.liveIn; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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changeset
|
845 liveIn.clear(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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changeset
|
846 liveIn.or(blockSets.liveOut); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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changeset
|
847 liveIn.andNot(blockSets.liveKill); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
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parents:
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changeset
|
848 liveIn.or(blockSets.liveGen); |
3733
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
849 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
850 Debug.log("block %d: livein = %s, liveout = %s", block.getId(), liveIn, blockSets.liveOut); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
851 } |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
852 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
853 iterationCount++; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
854 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
855 if (changeOccurred && iterationCount > 50) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
856 throw new BailoutException("too many iterations in computeGlobalLiveSets"); |
3733
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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 } |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
859 } while (changeOccurred); |
3733
e233f5660da4
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parents:
diff
changeset
|
860 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
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parents:
14841
diff
changeset
|
861 if (DetailedAsserts.getValue()) { |
667710021ea1
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parents:
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changeset
|
862 verifyLiveness(); |
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
863 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
864 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
865 // check that the liveIn set of the first block is empty |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
866 AbstractBlock<?> startBlock = ir.getControlFlowGraph().getStartBlock(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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changeset
|
867 if (blockData.get(startBlock).liveIn.cardinality() != 0) { |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
868 if (DetailedAsserts.getValue()) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
869 reportFailure(numBlocks); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
870 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
871 // bailout if this occurs in product mode. |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
872 throw new GraalInternalError("liveIn set of first block must be empty: " + blockData.get(startBlock).liveIn); |
3733
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parents:
diff
changeset
|
873 } |
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 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
876 |
14888
f6630873316b
Rename NodeLIRGenerator (and related classes and interfaces) to NodeLIRBuilder.
Josef Eisl <josef.eisl@jku.at>
parents:
14871
diff
changeset
|
877 private static NodeLIRBuilder getNodeLIRGeneratorFromDebugContext() { |
14070
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
878 if (Debug.isEnabled()) { |
14888
f6630873316b
Rename NodeLIRGenerator (and related classes and interfaces) to NodeLIRBuilder.
Josef Eisl <josef.eisl@jku.at>
parents:
14871
diff
changeset
|
879 NodeLIRBuilder lirGen = Debug.contextLookup(NodeLIRBuilder.class); |
15026 | 880 assert lirGen != null; |
14070
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
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diff
changeset
|
881 return lirGen; |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
882 } |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
883 return null; |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
884 } |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
885 |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
886 private static ValueNode getValueForOperandFromDebugContext(Value value) { |
14888
f6630873316b
Rename NodeLIRGenerator (and related classes and interfaces) to NodeLIRBuilder.
Josef Eisl <josef.eisl@jku.at>
parents:
14871
diff
changeset
|
887 NodeLIRBuilder gen = getNodeLIRGeneratorFromDebugContext(); |
14070
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
888 if (gen != null) { |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
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parents:
14057
diff
changeset
|
889 return gen.valueForOperand(value); |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
890 } |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
891 return null; |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
892 } |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
893 |
3733
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
894 private void reportFailure(int numBlocks) { |
14109
85969b1aba78
Use a forceLog scope for LinearScan.reportFailure. Remove @SuppressWarnings on DebugScope.scope
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
14070
diff
changeset
|
895 try (Scope s = Debug.forceLog()) { |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
896 try (Indent indent = Debug.logAndIndent("report failure")) { |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
897 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
898 BitSet startBlockLiveIn = blockData.get(ir.getControlFlowGraph().getStartBlock()).liveIn; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
899 try (Indent indent2 = Debug.logAndIndent("Error: liveIn set of first block must be empty (when this fails, variables are used before they are defined):")) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
900 for (int operandNum = startBlockLiveIn.nextSetBit(0); operandNum >= 0; operandNum = startBlockLiveIn.nextSetBit(operandNum + 1)) { |
15884
0e6f83eeb0ab
Clean up in LinearScan: Remove the need for a mapping of variable index to variable object.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15850
diff
changeset
|
901 Value operand = intervalFor(operandNum).operand; |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
902 Debug.log("var %d; operand=%s; node=%s", operandNum, operand, getValueForOperandFromDebugContext(operand)); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
903 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
904 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
905 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
906 // print some additional information to simplify debugging |
14109
85969b1aba78
Use a forceLog scope for LinearScan.reportFailure. Remove @SuppressWarnings on DebugScope.scope
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
14070
diff
changeset
|
907 for (int operandNum = startBlockLiveIn.nextSetBit(0); operandNum >= 0; operandNum = startBlockLiveIn.nextSetBit(operandNum + 1)) { |
15884
0e6f83eeb0ab
Clean up in LinearScan: Remove the need for a mapping of variable index to variable object.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15850
diff
changeset
|
908 Value operand = intervalFor(operandNum).operand; |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
909 try (Indent indent2 = Debug.logAndIndent("---- Detailed information for var %d; operand=%s; node=%s ----", operandNum, operand, getValueForOperandFromDebugContext(operand))) { |
14109
85969b1aba78
Use a forceLog scope for LinearScan.reportFailure. Remove @SuppressWarnings on DebugScope.scope
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
14070
diff
changeset
|
910 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
911 Deque<AbstractBlock<?>> definedIn = new ArrayDeque<>(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
912 HashSet<AbstractBlock<?>> usedIn = new HashSet<>(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
913 for (AbstractBlock<?> block : sortedBlocks) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
914 if (blockData.get(block).liveGen.get(operandNum)) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
915 usedIn.add(block); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
916 try (Indent indent3 = Debug.logAndIndent("used in block B%d", block.getId())) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
917 for (LIRInstruction ins : ir.getLIRforBlock(block)) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
918 try (Indent indent4 = Debug.logAndIndent("%d: %s", ins.id(), ins)) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
919 ins.forEachState(new ValueProcedure() { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
920 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
921 @Override |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
922 public Value doValue(Value liveStateOperand) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
923 Debug.log("operand=%s", liveStateOperand); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
924 return liveStateOperand; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
925 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
926 }); |
14109
85969b1aba78
Use a forceLog scope for LinearScan.reportFailure. Remove @SuppressWarnings on DebugScope.scope
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
14070
diff
changeset
|
927 } |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
928 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
929 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
930 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
931 if (blockData.get(block).liveKill.get(operandNum)) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
932 definedIn.add(block); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
933 try (Indent indent3 = Debug.logAndIndent("defined in block B%d", block.getId())) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
934 for (LIRInstruction ins : ir.getLIRforBlock(block)) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
935 Debug.log("%d: %s", ins.id(), ins); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
936 } |
14109
85969b1aba78
Use a forceLog scope for LinearScan.reportFailure. Remove @SuppressWarnings on DebugScope.scope
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
14070
diff
changeset
|
937 } |
85969b1aba78
Use a forceLog scope for LinearScan.reportFailure. Remove @SuppressWarnings on DebugScope.scope
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
14070
diff
changeset
|
938 } |
85969b1aba78
Use a forceLog scope for LinearScan.reportFailure. Remove @SuppressWarnings on DebugScope.scope
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
14070
diff
changeset
|
939 } |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
940 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
941 int[] hitCount = new int[numBlocks]; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
942 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
943 while (!definedIn.isEmpty()) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
944 AbstractBlock<?> block = definedIn.removeFirst(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
945 usedIn.remove(block); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
946 for (AbstractBlock<?> successor : block.getSuccessors()) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
947 if (successor.isLoopHeader()) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
948 if (!block.isLoopEnd()) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
949 definedIn.add(successor); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
950 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
951 } else { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
952 if (++hitCount[successor.getId()] == successor.getPredecessorCount()) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
953 definedIn.add(successor); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
954 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
955 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
956 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
957 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
958 try (Indent indent3 = Debug.logAndIndent("**** offending usages are in: ")) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
959 for (AbstractBlock<?> block : usedIn) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
960 Debug.log("B%d", block.getId()); |
12569
1c8d5a0891b5
improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents:
11537
diff
changeset
|
961 } |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
962 } |
12569
1c8d5a0891b5
improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents:
11537
diff
changeset
|
963 } |
1c8d5a0891b5
improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents:
11537
diff
changeset
|
964 } |
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 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
967 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
968 |
7501
799dd373fcb6
Remove caching of sorted blocks in LSRA.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
7499
diff
changeset
|
969 private void verifyLiveness() { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
970 // 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
|
971 // (live set must be empty at fixed intervals) |
14152
42013bd831d6
Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents:
14145
diff
changeset
|
972 for (AbstractBlock<?> block : sortedBlocks) { |
4206
430b5db3e6f8
Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4199
diff
changeset
|
973 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
|
974 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
|
975 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
|
976 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
|
977 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
978 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
979 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
980 |
16094
c0b8d395368b
Introduce LIRKind to accurately track oop references in backend.
Roland Schatz <roland.schatz@oracle.com>
parents:
15927
diff
changeset
|
981 void addUse(AllocatableValue operand, int from, int to, RegisterPriority registerPriority, LIRKind kind) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
982 if (!isProcessed(operand)) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
983 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
984 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
985 |
8220
2c5df42999dd
Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents:
7648
diff
changeset
|
986 Interval interval = getOrCreateInterval(operand); |
16118
5cbaad0b7387
Verify usage of equals method in LIRKind.
Roland Schatz <roland.schatz@oracle.com>
parents:
16094
diff
changeset
|
987 if (!kind.equals(LIRKind.Illegal)) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
988 interval.setKind(kind); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
989 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
990 |
4206
430b5db3e6f8
Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4199
diff
changeset
|
991 interval.addRange(from, to); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
992 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
993 // Register use position at even instruction id. |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
994 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
|
995 |
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
996 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
|
997 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
998 |
16094
c0b8d395368b
Introduce LIRKind to accurately track oop references in backend.
Roland Schatz <roland.schatz@oracle.com>
parents:
15927
diff
changeset
|
999 void addTemp(AllocatableValue operand, int tempPos, RegisterPriority registerPriority, LIRKind kind) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1000 if (!isProcessed(operand)) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1001 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1002 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1003 |
8220
2c5df42999dd
Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents:
7648
diff
changeset
|
1004 Interval interval = getOrCreateInterval(operand); |
16118
5cbaad0b7387
Verify usage of equals method in LIRKind.
Roland Schatz <roland.schatz@oracle.com>
parents:
16094
diff
changeset
|
1005 if (!kind.equals(LIRKind.Illegal)) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1006 interval.setKind(kind); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1007 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1008 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1009 interval.addRange(tempPos, tempPos + 1); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1010 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
|
1011 interval.addMaterializationValue(null); |
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1012 |
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1013 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
|
1014 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1015 |
5539
bc647d8b0080
Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5536
diff
changeset
|
1016 boolean isProcessed(Value operand) { |
5552
69a8969dbf40
Reduce public fields in api.code project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5547
diff
changeset
|
1017 return !isRegister(operand) || attributes(asRegister(operand)).isAllocatable(); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1018 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1019 |
16094
c0b8d395368b
Introduce LIRKind to accurately track oop references in backend.
Roland Schatz <roland.schatz@oracle.com>
parents:
15927
diff
changeset
|
1020 void addDef(AllocatableValue operand, LIRInstruction op, RegisterPriority registerPriority, LIRKind kind) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1021 if (!isProcessed(operand)) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1022 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1023 } |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1024 int defPos = op.id(); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1025 |
8220
2c5df42999dd
Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents:
7648
diff
changeset
|
1026 Interval interval = getOrCreateInterval(operand); |
16118
5cbaad0b7387
Verify usage of equals method in LIRKind.
Roland Schatz <roland.schatz@oracle.com>
parents:
16094
diff
changeset
|
1027 if (!kind.equals(LIRKind.Illegal)) { |
8220
2c5df42999dd
Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents:
7648
diff
changeset
|
1028 interval.setKind(kind); |
2c5df42999dd
Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents:
7648
diff
changeset
|
1029 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1030 |
8220
2c5df42999dd
Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents:
7648
diff
changeset
|
1031 Range r = interval.first(); |
2c5df42999dd
Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents:
7648
diff
changeset
|
1032 if (r.from <= defPos) { |
2c5df42999dd
Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents:
7648
diff
changeset
|
1033 // 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
|
1034 // 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
|
1035 r.from = defPos; |
2c5df42999dd
Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents:
7648
diff
changeset
|
1036 interval.addUsePos(defPos, registerPriority); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1037 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1038 } else { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1039 // Dead value - make vacuous interval |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1040 // also add register priority for dead intervals |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1041 interval.addRange(defPos, defPos + 1); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1042 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
|
1043 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
|
1044 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1045 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1046 changeSpillDefinitionPos(interval, defPos); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1047 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
|
1048 // detection of method-parameters and roundfp-results |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1049 interval.setSpillState(SpillState.StartInMemory); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1050 } |
14070
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
1051 interval.addMaterializationValue(LinearScan.getMaterializedValue(op, operand, interval)); |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1052 |
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1053 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
|
1054 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1055 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1056 /** |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1057 * 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
|
1058 */ |
4206
430b5db3e6f8
Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4199
diff
changeset
|
1059 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
|
1060 if (op instanceof MoveOp) { |
df5547057954
Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4265
diff
changeset
|
1061 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
|
1062 if (optimizeMethodArgument(move.getInput())) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1063 return RegisterPriority.None; |
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 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1066 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1067 // all other operands require a register |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1068 return RegisterPriority.MustHaveRegister; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1069 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1070 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1071 /** |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7512
diff
changeset
|
1072 * 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
|
1073 * register. |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1074 */ |
4245
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
1075 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
|
1076 if (flags.contains(OperandFlag.STACK)) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1077 return RegisterPriority.ShouldHaveRegister; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1078 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1079 // all other operands require a register |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1080 return RegisterPriority.MustHaveRegister; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1081 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1082 |
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
|
1083 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
|
1084 /* |
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 * 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
|
1086 * 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
|
1087 */ |
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
|
1088 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
|
1089 } |
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
|
1090 |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1091 /** |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7512
diff
changeset
|
1092 * 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
|
1093 * 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
|
1094 */ |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1095 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
|
1096 if (op instanceof MoveOp) { |
df5547057954
Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4265
diff
changeset
|
1097 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
|
1098 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
|
1099 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
|
1100 if (DetailedAsserts.getValue()) { |
4323
df5547057954
Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4265
diff
changeset
|
1101 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
|
1102 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
|
1103 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
|
1104 |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
1105 Debug.log("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
|
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 } |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
1132 Debug.log("operation at opId %d: added hint from interval %d to %d", op.id(), from.operandNumber, to.operandNumber); |
8220
2c5df42999dd
Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents:
7648
diff
changeset
|
1133 |
2c5df42999dd
Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents:
7648
diff
changeset
|
1134 return registerHint; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1135 } |
4245
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
1136 return null; |
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 }); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1139 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1140 } |
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 void buildIntervals() { |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1143 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1144 try (Indent indent = Debug.logAndIndent("build intervals")) { |
16138
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1145 InstructionValueProcedure outputProc = new InstructionValueProcedure() { |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1146 |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1147 @Override |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1148 public Value doValue(LIRInstruction op, Value operand, OperandMode mode, EnumSet<OperandFlag> flags) { |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1149 if (isVariableOrRegister(operand)) { |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1150 addDef((AllocatableValue) operand, op, registerPriorityOfOutputOperand(op), operand.getLIRKind()); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1151 addRegisterHint(op, operand, mode, flags, true); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1152 } |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1153 return operand; |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1154 } |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1155 }; |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1156 |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1157 InstructionValueProcedure tempProc = new InstructionValueProcedure() { |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1158 |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1159 @Override |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1160 public Value doValue(LIRInstruction op, Value operand, OperandMode mode, EnumSet<OperandFlag> flags) { |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1161 if (isVariableOrRegister(operand)) { |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1162 addTemp((AllocatableValue) operand, op.id(), RegisterPriority.MustHaveRegister, operand.getLIRKind()); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1163 addRegisterHint(op, operand, mode, flags, false); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1164 } |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1165 return operand; |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1166 } |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1167 }; |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1168 |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1169 InstructionValueProcedure aliveProc = new InstructionValueProcedure() { |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1170 |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1171 @Override |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1172 public Value doValue(LIRInstruction op, Value operand, OperandMode mode, EnumSet<OperandFlag> flags) { |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1173 if (isVariableOrRegister(operand)) { |
f315b1c0a590
Introduce InstructionValueProcedure.
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parents:
16118
diff
changeset
|
1174 RegisterPriority p = registerPriorityOfInputOperand(flags); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1175 final int opId = op.id(); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1176 final int blockFrom = getFirstLirInstructionId((blockForId(opId))); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1177 addUse((AllocatableValue) operand, blockFrom, opId + 1, p, operand.getLIRKind()); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1178 addRegisterHint(op, operand, mode, flags, false); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1179 } |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1180 return operand; |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1181 } |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1182 }; |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1183 |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1184 InstructionValueProcedure inputProc = new InstructionValueProcedure() { |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1185 |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1186 @Override |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1187 public Value doValue(LIRInstruction op, Value operand, OperandMode mode, EnumSet<OperandFlag> flags) { |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1188 if (isVariableOrRegister(operand)) { |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1189 final int opId = op.id(); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1190 final int blockFrom = getFirstLirInstructionId((blockForId(opId))); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1191 RegisterPriority p = registerPriorityOfInputOperand(flags); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1192 addUse((AllocatableValue) operand, blockFrom, opId, p, operand.getLIRKind()); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1193 addRegisterHint(op, operand, mode, flags, false); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1194 } |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1195 return operand; |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1196 } |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1197 }; |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1198 |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1199 InstructionValueProcedure stateProc = new InstructionValueProcedure() { |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1200 |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1201 @Override |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1202 public Value doValue(LIRInstruction op, Value operand) { |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1203 final int opId = op.id(); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1204 final int blockFrom = getFirstLirInstructionId((blockForId(opId))); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1205 addUse((AllocatableValue) operand, blockFrom, opId + 1, RegisterPriority.None, operand.getLIRKind()); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1206 return operand; |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1207 } |
f315b1c0a590
Introduce InstructionValueProcedure.
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parents:
16118
diff
changeset
|
1208 }; |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1209 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1210 // create a list with all caller-save registers (cpu, fpu, xmm) |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1211 Register[] callerSaveRegs = frameMap.registerConfig.getCallerSaveRegisters(); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1212 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1213 // iterate all blocks in reverse order |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1214 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
|
1215 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1216 AbstractBlock<?> block = blockAt(i); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1217 try (Indent indent2 = Debug.logAndIndent("handle block %d", block.getId())) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1218 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1219 List<LIRInstruction> instructions = ir.getLIRforBlock(block); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1220 final int blockFrom = getFirstLirInstructionId(block); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1221 int blockTo = getLastLirInstructionId(block); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1222 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1223 assert blockFrom == instructions.get(0).id(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1224 assert blockTo == instructions.get(instructions.size() - 1).id(); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1225 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1226 // Update intervals for operands live at the end of this block; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1227 BitSet live = blockData.get(block).liveOut; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1228 for (int operandNum = live.nextSetBit(0); operandNum >= 0; operandNum = live.nextSetBit(operandNum + 1)) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1229 assert live.get(operandNum) : "should not stop here otherwise"; |
15884
0e6f83eeb0ab
Clean up in LinearScan: Remove the need for a mapping of variable index to variable object.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15850
diff
changeset
|
1230 AllocatableValue operand = intervalFor(operandNum).operand; |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1231 Debug.log("live in %d: %s", operandNum, operand); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1232 |
16094
c0b8d395368b
Introduce LIRKind to accurately track oop references in backend.
Roland Schatz <roland.schatz@oracle.com>
parents:
15927
diff
changeset
|
1233 addUse(operand, blockFrom, blockTo + 2, RegisterPriority.None, LIRKind.Illegal); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1234 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1235 // add special use positions for loop-end blocks when the |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1236 // interval is used anywhere inside this loop. It's possible |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1237 // that the block was part of a non-natural loop, so it might |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1238 // have an invalid loop index. |
15534
4bd6ad45ee0a
Encapsulate members of Loop.
Josef Eisl <josef.eisl@jku.at>
parents:
15193
diff
changeset
|
1239 if (block.isLoopEnd() && block.getLoop() != null && isIntervalInLoop(operandNum, block.getLoop().getIndex())) { |
15887
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
1240 intervalFor(operandNum).addUsePos(blockTo + 1, RegisterPriority.LiveAtLoopEnd); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1241 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1242 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1243 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1244 // iterate all instructions of the block in reverse order. |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1245 // definitions of intervals are processed before uses |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1246 for (int j = instructions.size() - 1; j >= 0; j--) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1247 final LIRInstruction op = instructions.get(j); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1248 final int opId = op.id(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1249 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1250 try (Indent indent3 = Debug.logAndIndent("handle inst %d: %s", opId, op)) { |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7512
diff
changeset
|
1251 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1252 // add a temp range for each register if operation destroys |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1253 // caller-save registers |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1254 if (op.destroysCallerSavedRegisters()) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1255 for (Register r : callerSaveRegs) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1256 if (attributes(r).isAllocatable()) { |
16094
c0b8d395368b
Introduce LIRKind to accurately track oop references in backend.
Roland Schatz <roland.schatz@oracle.com>
parents:
15927
diff
changeset
|
1257 addTemp(r.asValue(), opId, RegisterPriority.None, LIRKind.Illegal); |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1258 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1259 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1260 Debug.log("operation destroys all caller-save registers"); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1261 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1262 |
16138
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1263 op.forEachOutput(outputProc); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1264 op.forEachTemp(tempProc); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1265 op.forEachAlive(aliveProc); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1266 op.forEachInput(inputProc); |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7512
diff
changeset
|
1267 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1268 // Add uses of live locals from interpreter's point of view for proper |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1269 // debug information generation |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1270 // Treat these operands as temp values (if the live range is extended |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1271 // to a call site, the value would be in a register at |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1272 // the call otherwise) |
16138
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1273 op.forEachState(stateProc); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1274 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1275 // special steps for some instructions (especially moves) |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1276 handleMethodArguments(op); |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1277 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1278 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1279 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1280 } // end of instruction iteration |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1281 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1282 } // end of block iteration |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1283 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1284 // add the range [0, 1] to all fixed intervals. |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1285 // the register allocator need not handle unhandled fixed intervals |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1286 for (Interval interval : intervals) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1287 if (interval != null && isRegister(interval.operand)) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1288 interval.addRange(0, 1); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1289 } |
3733
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 } |
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 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1294 // * Phase 5: actual register allocation |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1295 |
4142
bc8527f3071c
Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3733
diff
changeset
|
1296 private static boolean isSorted(Interval[] intervals) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1297 int from = -1; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1298 for (Interval interval : intervals) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1299 assert interval != null; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1300 assert from <= interval.from(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1301 from = interval.from(); |
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 return true; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1304 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1305 |
4142
bc8527f3071c
Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3733
diff
changeset
|
1306 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
|
1307 Interval newFirst = first; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1308 if (prev != null) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1309 prev.next = interval; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1310 } else { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1311 newFirst = interval; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1312 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1313 return newFirst; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1314 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1315 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1316 Interval.Pair createUnhandledLists(IntervalPredicate isList1, IntervalPredicate isList2) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1317 assert isSorted(sortedIntervals) : "interval list is not sorted"; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1318 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1319 Interval list1 = Interval.EndMarker; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1320 Interval list2 = Interval.EndMarker; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1321 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1322 Interval list1Prev = null; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1323 Interval list2Prev = null; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1324 Interval v; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1325 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1326 int n = sortedIntervals.length; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1327 for (int i = 0; i < n; i++) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1328 v = sortedIntervals[i]; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1329 if (v == null) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1330 continue; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1331 } |
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 (isList1.apply(v)) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1334 list1 = addToList(list1, list1Prev, v); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1335 list1Prev = v; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1336 } else if (isList2 == null || isList2.apply(v)) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1337 list2 = addToList(list2, list2Prev, v); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1338 list2Prev = v; |
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 } |
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 if (list1Prev != null) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1343 list1Prev.next = Interval.EndMarker; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1344 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1345 if (list2Prev != null) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1346 list2Prev.next = Interval.EndMarker; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1347 } |
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 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
|
1350 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
|
1351 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1352 return new Interval.Pair(list1, list2); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1353 } |
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 void sortIntervalsBeforeAllocation() { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1356 int sortedLen = 0; |
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 sortedLen++; |
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 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1362 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1363 Interval[] sortedList = new Interval[sortedLen]; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1364 int sortedIdx = 0; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1365 int sortedFromMax = -1; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1366 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1367 // 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
|
1368 // 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
|
1369 for (Interval interval : intervals) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1370 if (interval != null) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1371 int from = interval.from(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1372 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1373 if (sortedFromMax <= from) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1374 sortedList[sortedIdx++] = interval; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1375 sortedFromMax = interval.from(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1376 } else { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1377 // 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
|
1378 // so this interval must be sorted in manually |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1379 int j; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1380 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
|
1381 sortedList[j + 1] = sortedList[j]; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1382 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1383 sortedList[j + 1] = interval; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1384 sortedIdx++; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1385 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1386 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1387 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1388 sortedIntervals = sortedList; |
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 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1391 void sortIntervalsAfterAllocation() { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1392 if (firstDerivedIntervalIndex == -1) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1393 // 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
|
1394 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1395 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1396 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1397 Interval[] oldList = sortedIntervals; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1398 Interval[] newList = Arrays.copyOfRange(intervals, firstDerivedIntervalIndex, intervalsSize); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1399 int oldLen = oldList.length; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1400 int newLen = newList.length; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1401 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1402 // conventional sort-algorithm for new intervals |
15886
e5e7d9dfff1a
LinearScan: Clean up interval comparator and replace with lambda form.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15885
diff
changeset
|
1403 Arrays.sort(newList, (Interval a, Interval b) -> a.from() - b.from()); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1404 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1405 // 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
|
1406 Interval[] combinedList = new Interval[oldLen + newLen]; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1407 int oldIdx = 0; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1408 int newIdx = 0; |
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 while (oldIdx + newIdx < combinedList.length) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1411 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
|
1412 combinedList[oldIdx + newIdx] = oldList[oldIdx]; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1413 oldIdx++; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1414 } else { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1415 combinedList[oldIdx + newIdx] = newList[newIdx]; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1416 newIdx++; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1417 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1418 } |
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 sortedIntervals = combinedList; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1421 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1422 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1423 public void allocateRegisters() { |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1424 try (Indent indent = Debug.logAndIndent("allocate registers")) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1425 Interval precoloredIntervals; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1426 Interval notPrecoloredIntervals; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1427 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1428 Interval.Pair result = createUnhandledLists(IS_PRECOLORED_INTERVAL, IS_VARIABLE_INTERVAL); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1429 precoloredIntervals = result.first; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1430 notPrecoloredIntervals = result.second; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1431 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1432 // allocate cpu registers |
15927
96229f219351
LSRA: add OptimizingLinearScanWalker.
Josef Eisl <josef.eisl@jku.at>
parents:
15920
diff
changeset
|
1433 LinearScanWalker lsw; |
96229f219351
LSRA: add OptimizingLinearScanWalker.
Josef Eisl <josef.eisl@jku.at>
parents:
15920
diff
changeset
|
1434 if (OptimizingLinearScanWalker.Options.LSRAOptimization.getValue()) { |
96229f219351
LSRA: add OptimizingLinearScanWalker.
Josef Eisl <josef.eisl@jku.at>
parents:
15920
diff
changeset
|
1435 lsw = new OptimizingLinearScanWalker(this, precoloredIntervals, notPrecoloredIntervals); |
96229f219351
LSRA: add OptimizingLinearScanWalker.
Josef Eisl <josef.eisl@jku.at>
parents:
15920
diff
changeset
|
1436 } else { |
96229f219351
LSRA: add OptimizingLinearScanWalker.
Josef Eisl <josef.eisl@jku.at>
parents:
15920
diff
changeset
|
1437 lsw = new LinearScanWalker(this, precoloredIntervals, notPrecoloredIntervals); |
96229f219351
LSRA: add OptimizingLinearScanWalker.
Josef Eisl <josef.eisl@jku.at>
parents:
15920
diff
changeset
|
1438 } |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1439 lsw.walk(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1440 lsw.finishAllocation(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1441 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1442 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1443 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1444 // * Phase 6: resolve data flow |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1445 // (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
|
1446 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1447 // 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
|
1448 // instead of returning null |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1449 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
|
1450 Interval result = interval.getSplitChildAtOpId(opId, mode, this); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1451 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1452 if (result != null) { |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
1453 Debug.log("Split child at pos %d of interval %s is %s", opId, interval, result); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1454 return result; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1455 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1456 |
5547
b6617d13ea44
Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5542
diff
changeset
|
1457 throw new BailoutException("LinearScan: interval is null"); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1458 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1459 |
15884
0e6f83eeb0ab
Clean up in LinearScan: Remove the need for a mapping of variable index to variable object.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15850
diff
changeset
|
1460 Interval intervalAtBlockBegin(AbstractBlock<?> block, int operandNumber) { |
0e6f83eeb0ab
Clean up in LinearScan: Remove the need for a mapping of variable index to variable object.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15850
diff
changeset
|
1461 return splitChildAtOpId(intervalFor(operandNumber), getFirstLirInstructionId(block), LIRInstruction.OperandMode.DEF); |
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 |
15884
0e6f83eeb0ab
Clean up in LinearScan: Remove the need for a mapping of variable index to variable object.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15850
diff
changeset
|
1464 Interval intervalAtBlockEnd(AbstractBlock<?> block, int operandNumber) { |
0e6f83eeb0ab
Clean up in LinearScan: Remove the need for a mapping of variable index to variable object.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15850
diff
changeset
|
1465 return splitChildAtOpId(intervalFor(operandNumber), getLastLirInstructionId(block) + 1, LIRInstruction.OperandMode.DEF); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1466 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1467 |
14152
42013bd831d6
Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents:
14145
diff
changeset
|
1468 void resolveCollectMappings(AbstractBlock<?> fromBlock, AbstractBlock<?> toBlock, MoveResolver moveResolver) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1469 assert moveResolver.checkEmpty(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1470 |
4206
430b5db3e6f8
Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4199
diff
changeset
|
1471 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
|
1472 BitSet liveAtEdge = blockData.get(toBlock).liveIn; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1473 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1474 // 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
|
1475 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
|
1476 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
|
1477 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
|
1478 |
15884
0e6f83eeb0ab
Clean up in LinearScan: Remove the need for a mapping of variable index to variable object.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15850
diff
changeset
|
1479 Interval fromInterval = intervalAtBlockEnd(fromBlock, operandNum); |
0e6f83eeb0ab
Clean up in LinearScan: Remove the need for a mapping of variable index to variable object.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15850
diff
changeset
|
1480 Interval toInterval = intervalAtBlockBegin(toBlock, operandNum); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1481 |
9632
97db51025787
Value: use `equals()' instead of object equality
Bernhard Urban <bernhard.urban@jku.at>
parents:
9628
diff
changeset
|
1482 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
|
1483 // need to insert move instruction |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1484 moveResolver.addMapping(fromInterval, toInterval); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1485 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1486 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1487 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1488 |
14152
42013bd831d6
Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents:
14145
diff
changeset
|
1489 void resolveFindInsertPos(AbstractBlock<?> fromBlock, AbstractBlock<?> toBlock, MoveResolver moveResolver) { |
7497
0f8c6dbf68be
Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6582
diff
changeset
|
1490 if (fromBlock.getSuccessorCount() <= 1) { |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
1491 Debug.log("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
|
1492 |
14806
a8723f1ff542
LIR renamed setter and getter functions.
Josef Eisl <josef.eisl@jku.at>
parents:
14789
diff
changeset
|
1493 List<LIRInstruction> instructions = ir.getLIRforBlock(fromBlock); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1494 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
|
1495 if (instr instanceof StandardOp.JumpOp) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1496 // 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
|
1497 moveResolver.setInsertPosition(instructions, instructions.size() - 1); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1498 } 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
|
1499 moveResolver.setInsertPosition(instructions, instructions.size()); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1500 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1501 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1502 } else { |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
1503 Debug.log("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
|
1504 |
9855
6898d8995866
converted more options from GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents:
9632
diff
changeset
|
1505 if (DetailedAsserts.getValue()) { |
14806
a8723f1ff542
LIR renamed setter and getter functions.
Josef Eisl <josef.eisl@jku.at>
parents:
14789
diff
changeset
|
1506 assert ir.getLIRforBlock(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
|
1507 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1508 // 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
|
1509 // 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
|
1510 // 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
|
1511 // that all predecessors will be the same. |
14152
42013bd831d6
Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents:
14145
diff
changeset
|
1512 for (AbstractBlock<?> predecessor : toBlock.getPredecessors()) { |
7497
0f8c6dbf68be
Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6582
diff
changeset
|
1513 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
|
1514 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1515 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1516 |
14806
a8723f1ff542
LIR renamed setter and getter functions.
Josef Eisl <josef.eisl@jku.at>
parents:
14789
diff
changeset
|
1517 moveResolver.setInsertPosition(ir.getLIRforBlock(toBlock), 1); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1518 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1519 } |
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 * 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
|
1523 * have been split. |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1524 */ |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1525 void resolveDataFlow() { |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1526 try (Indent indent = Debug.logAndIndent("resolve data flow")) { |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1527 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1528 int numBlocks = blockCount(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1529 MoveResolver moveResolver = new MoveResolver(this); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1530 BitSet blockCompleted = new BitSet(numBlocks); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1531 BitSet alreadyResolved = new BitSet(numBlocks); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1532 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1533 for (AbstractBlock<?> block : sortedBlocks) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1534 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1535 // check if block has only one predecessor and only one successor |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1536 if (block.getPredecessorCount() == 1 && block.getSuccessorCount() == 1) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1537 List<LIRInstruction> instructions = ir.getLIRforBlock(block); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1538 assert instructions.get(0) instanceof StandardOp.LabelOp : "block must start with label"; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1539 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
|
1540 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1541 // check if block is empty (only label and branch) |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1542 if (instructions.size() == 2) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1543 AbstractBlock<?> pred = block.getPredecessors().iterator().next(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1544 AbstractBlock<?> sux = block.getSuccessors().iterator().next(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1545 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1546 // prevent optimization of two consecutive blocks |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1547 if (!blockCompleted.get(pred.getLinearScanNumber()) && !blockCompleted.get(sux.getLinearScanNumber())) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1548 Debug.log(" optimizing empty block B%d (pred: B%d, sux: B%d)", block.getId(), pred.getId(), sux.getId()); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1549 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1550 blockCompleted.set(block.getLinearScanNumber()); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1551 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1552 // directly resolve between pred and sux (without looking |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1553 // at the empty block |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1554 // between) |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1555 resolveCollectMappings(pred, sux, moveResolver); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1556 if (moveResolver.hasMappings()) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1557 moveResolver.setInsertPosition(instructions, 1); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1558 moveResolver.resolveAndAppendMoves(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1559 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1560 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1561 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1562 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1563 } |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
1564 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1565 for (AbstractBlock<?> fromBlock : sortedBlocks) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1566 if (!blockCompleted.get(fromBlock.getLinearScanNumber())) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1567 alreadyResolved.clear(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1568 alreadyResolved.or(blockCompleted); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1569 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1570 for (AbstractBlock<?> toBlock : fromBlock.getSuccessors()) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1571 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1572 // check for duplicate edges between the same blocks (can happen with switch |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1573 // blocks) |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1574 if (!alreadyResolved.get(toBlock.getLinearScanNumber())) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1575 Debug.log("processing edge between B%d and B%d", fromBlock.getId(), toBlock.getId()); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1576 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1577 alreadyResolved.set(toBlock.getLinearScanNumber()); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1578 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1579 // collect all intervals that have been split between |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1580 // fromBlock and toBlock |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1581 resolveCollectMappings(fromBlock, toBlock, moveResolver); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1582 if (moveResolver.hasMappings()) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1583 resolveFindInsertPos(fromBlock, toBlock, moveResolver); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1584 moveResolver.resolveAndAppendMoves(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1585 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1586 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1587 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1588 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1589 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1590 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1591 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1592 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1593 // * Phase 7: assign register numbers back to LIR |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1594 // (includes computation of debug information and oop maps) |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1595 |
5547
b6617d13ea44
Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5542
diff
changeset
|
1596 static StackSlot canonicalSpillOpr(Interval interval) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1597 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
|
1598 return interval.spillSlot(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1599 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1600 |
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 * Assigns the allocated location for an LIR instruction operand back into the instruction. |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1603 * |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1604 * @param operand an LIR instruction operand |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1605 * @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
|
1606 * @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
|
1607 * @return the location assigned for the operand |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1608 */ |
5539
bc647d8b0080
Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5536
diff
changeset
|
1609 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
|
1610 Interval interval = intervalFor(operand); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1611 assert interval != null : "interval must exist"; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1612 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1613 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
|
1614 if (DetailedAsserts.getValue()) { |
14152
42013bd831d6
Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents:
14145
diff
changeset
|
1615 AbstractBlock<?> block = blockForId(opId); |
7497
0f8c6dbf68be
Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6582
diff
changeset
|
1616 if (block.getSuccessorCount() <= 1 && opId == getLastLirInstructionId(block)) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1617 // 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
|
1618 // 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
|
1619 // would |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1620 // be incorrect. |
14806
a8723f1ff542
LIR renamed setter and getter functions.
Josef Eisl <josef.eisl@jku.at>
parents:
14789
diff
changeset
|
1621 LIRInstruction instr = ir.getLIRforBlock(block).get(ir.getLIRforBlock(block).size() - 1); |
4323
df5547057954
Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4265
diff
changeset
|
1622 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
|
1623 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
|
1624 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
|
1625 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1626 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1627 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1628 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1629 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1630 // 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
|
1631 // so search the right interval here |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1632 interval = splitChildAtOpId(interval, opId, mode); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1633 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1634 |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1635 if (isIllegal(interval.location()) && interval.canMaterialize()) { |
13377
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1636 assert mode != OperandMode.DEF; |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1637 return interval.getMaterializedValue(); |
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1638 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1639 return interval.location(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1640 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1641 |
13377
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1642 private boolean isMaterialized(AllocatableValue operand, int opId, OperandMode mode) { |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1643 Interval interval = intervalFor(operand); |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1644 assert interval != null : "interval must exist"; |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1645 |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1646 if (opId != -1) { |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1647 // operands are not changed when an interval is split during allocation, |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1648 // so search the right interval here |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1649 interval = splitChildAtOpId(interval, opId, mode); |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1650 } |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1651 |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1652 return isIllegal(interval.location()) && interval.canMaterialize(); |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1653 } |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1654 |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1655 protected IntervalWalker initIntervalWalker(IntervalPredicate predicate) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1656 // setup lists of potential oops for walking |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1657 Interval oopIntervals; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1658 Interval nonOopIntervals; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1659 |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1660 oopIntervals = createUnhandledLists(predicate, null).first; |
3733
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 // 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
|
1663 // 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
|
1664 // 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
|
1665 nonOopIntervals = new Interval(Value.ILLEGAL, -1); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1666 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
|
1667 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1668 return new IntervalWalker(this, oopIntervals, nonOopIntervals); |
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 |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1671 /** |
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1672 * 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
|
1673 * maps. |
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1674 */ |
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1675 void markFrameLocations(IntervalWalker iw, LIRInstruction op, LIRFrameState info) { |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
1676 Debug.log("creating oop map at opId %d", op.id()); |
3733
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 // 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
|
1679 // 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
|
1680 // included in the oop map |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1681 iw.walkBefore(op.id()); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1682 |
16368
ef641ba1fb69
LSRA spill optimization: mark the correct frame locations.
Josef Eisl <josef.eisl@jku.at>
parents:
16367
diff
changeset
|
1683 // TODO(je) we could pass this as parameter |
ef641ba1fb69
LSRA spill optimization: mark the correct frame locations.
Josef Eisl <josef.eisl@jku.at>
parents:
16367
diff
changeset
|
1684 AbstractBlock<?> block = blockForId(op.id()); |
ef641ba1fb69
LSRA spill optimization: mark the correct frame locations.
Josef Eisl <josef.eisl@jku.at>
parents:
16367
diff
changeset
|
1685 |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1686 // Iterate through active intervals |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1687 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
|
1688 Value operand = interval.operand; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1689 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1690 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
|
1691 assert isVariable(interval.operand) : "fixed interval found"; |
3733
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 // 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
|
1694 // 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
|
1695 // 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
|
1696 // 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
|
1697 // 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
|
1698 // 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
|
1699 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
|
1700 // 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
|
1701 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
|
1702 |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1703 info.markLocation(interval.location(), frameMap); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1704 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1705 // 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
|
1706 // 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
|
1707 // register |
16368
ef641ba1fb69
LSRA spill optimization: mark the correct frame locations.
Josef Eisl <josef.eisl@jku.at>
parents:
16367
diff
changeset
|
1708 int spillPos = interval.spillDefinitionPos(); |
ef641ba1fb69
LSRA spill optimization: mark the correct frame locations.
Josef Eisl <josef.eisl@jku.at>
parents:
16367
diff
changeset
|
1709 if (interval.spillState() != SpillState.SpillInDominator) { |
ef641ba1fb69
LSRA spill optimization: mark the correct frame locations.
Josef Eisl <josef.eisl@jku.at>
parents:
16367
diff
changeset
|
1710 if (interval.alwaysInMemory() && op.id() > interval.spillDefinitionPos() && !interval.location().equals(interval.spillSlot())) { |
ef641ba1fb69
LSRA spill optimization: mark the correct frame locations.
Josef Eisl <josef.eisl@jku.at>
parents:
16367
diff
changeset
|
1711 assert interval.spillDefinitionPos() > 0 : "position not set correctly"; |
ef641ba1fb69
LSRA spill optimization: mark the correct frame locations.
Josef Eisl <josef.eisl@jku.at>
parents:
16367
diff
changeset
|
1712 assert spillPos > 0 : "position not set correctly"; |
ef641ba1fb69
LSRA spill optimization: mark the correct frame locations.
Josef Eisl <josef.eisl@jku.at>
parents:
16367
diff
changeset
|
1713 assert interval.spillSlot() != null : "no spill slot assigned"; |
ef641ba1fb69
LSRA spill optimization: mark the correct frame locations.
Josef Eisl <josef.eisl@jku.at>
parents:
16367
diff
changeset
|
1714 assert !isRegister(interval.operand) : "interval is on stack : so stack slot is registered twice"; |
ef641ba1fb69
LSRA spill optimization: mark the correct frame locations.
Josef Eisl <josef.eisl@jku.at>
parents:
16367
diff
changeset
|
1715 info.markLocation(interval.spillSlot(), frameMap); |
ef641ba1fb69
LSRA spill optimization: mark the correct frame locations.
Josef Eisl <josef.eisl@jku.at>
parents:
16367
diff
changeset
|
1716 } |
ef641ba1fb69
LSRA spill optimization: mark the correct frame locations.
Josef Eisl <josef.eisl@jku.at>
parents:
16367
diff
changeset
|
1717 } else { |
ef641ba1fb69
LSRA spill optimization: mark the correct frame locations.
Josef Eisl <josef.eisl@jku.at>
parents:
16367
diff
changeset
|
1718 AbstractBlock<?> spillBlock = blockForId(spillPos); |
ef641ba1fb69
LSRA spill optimization: mark the correct frame locations.
Josef Eisl <josef.eisl@jku.at>
parents:
16367
diff
changeset
|
1719 if (interval.alwaysInMemory() && !interval.location().equals(interval.spillSlot())) { |
16505
45f92700119f
Move AbstractBlock.{dominates, isDominatedBy} to AbstractControlFlowGraph.
Josef Eisl <josef.eisl@jku.at>
parents:
16380
diff
changeset
|
1720 if ((spillBlock.equals(block) && op.id() > spillPos) || dominates(spillBlock, block)) { |
16368
ef641ba1fb69
LSRA spill optimization: mark the correct frame locations.
Josef Eisl <josef.eisl@jku.at>
parents:
16367
diff
changeset
|
1721 assert spillPos > 0 : "position not set correctly"; |
ef641ba1fb69
LSRA spill optimization: mark the correct frame locations.
Josef Eisl <josef.eisl@jku.at>
parents:
16367
diff
changeset
|
1722 assert interval.spillSlot() != null : "no spill slot assigned"; |
ef641ba1fb69
LSRA spill optimization: mark the correct frame locations.
Josef Eisl <josef.eisl@jku.at>
parents:
16367
diff
changeset
|
1723 assert !isRegister(interval.operand) : "interval is on stack : so stack slot is registered twice"; |
ef641ba1fb69
LSRA spill optimization: mark the correct frame locations.
Josef Eisl <josef.eisl@jku.at>
parents:
16367
diff
changeset
|
1724 info.markLocation(interval.spillSlot(), frameMap); |
ef641ba1fb69
LSRA spill optimization: mark the correct frame locations.
Josef Eisl <josef.eisl@jku.at>
parents:
16367
diff
changeset
|
1725 } |
ef641ba1fb69
LSRA spill optimization: mark the correct frame locations.
Josef Eisl <josef.eisl@jku.at>
parents:
16367
diff
changeset
|
1726 } |
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 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1729 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1730 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1731 |
5539
bc647d8b0080
Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5536
diff
changeset
|
1732 private boolean isCallerSave(Value operand) { |
5552
69a8969dbf40
Reduce public fields in api.code project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5547
diff
changeset
|
1733 return attributes(asRegister(operand)).isCallerSave(); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1734 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1735 |
16138
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1736 private InstructionValueProcedure debugInfoProc = new InstructionValueProcedure() { |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1737 |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1738 @Override |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1739 public Value doValue(LIRInstruction op, Value operand) { |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1740 int tempOpId = op.id(); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1741 OperandMode mode = OperandMode.USE; |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1742 AbstractBlock<?> block = blockForId(tempOpId); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1743 if (block.getSuccessorCount() == 1 && tempOpId == getLastLirInstructionId(block)) { |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1744 // generating debug information for the last instruction of a block. |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1745 // if this instruction is a branch, spill moves are inserted before this branch |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1746 // and so the wrong operand would be returned (spill moves at block boundaries |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1747 // are not |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1748 // considered in the live ranges of intervals) |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1749 // Solution: use the first opId of the branch target block instead. |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1750 final LIRInstruction instr = ir.getLIRforBlock(block).get(ir.getLIRforBlock(block).size() - 1); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1751 if (instr instanceof StandardOp.JumpOp) { |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1752 if (blockData.get(block).liveOut.get(operandNumber(operand))) { |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1753 tempOpId = getFirstLirInstructionId(block.getSuccessors().iterator().next()); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1754 mode = OperandMode.DEF; |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1755 } |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1756 } |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1757 } |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1758 |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1759 // Get current location of operand |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1760 // The operand must be live because debug information is considered when building |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1761 // the intervals |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1762 // if the interval is not live, colorLirOperand will cause an assert on failure |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1763 Value result = colorLirOperand((Variable) operand, tempOpId, mode); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1764 assert !hasCall(tempOpId) || isStackSlot(result) || isConstant(result) || !isCallerSave(result) : "cannot have caller-save register operands at calls"; |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1765 return result; |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1766 } |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1767 }; |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1768 |
5733
141b15521a39
use annotated fields for operands of LIR instructions
Christian Wimmer <christian.wimmer@oracle.com>
parents:
5711
diff
changeset
|
1769 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
|
1770 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
|
1771 markFrameLocations(iw, op, info); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1772 |
16138
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1773 info.forEachState(op, debugInfoProc); |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1774 info.finish(op, frameMap); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1775 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1776 |
5733
141b15521a39
use annotated fields for operands of LIR instructions
Christian Wimmer <christian.wimmer@oracle.com>
parents:
5711
diff
changeset
|
1777 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
|
1778 int numInst = instructions.size(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1779 boolean hasDead = false; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1780 |
16138
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1781 InstructionValueProcedure assignProc = new InstructionValueProcedure() { |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1782 |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1783 @Override |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1784 public Value doValue(LIRInstruction op, Value operand, OperandMode mode, EnumSet<OperandFlag> flags) { |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1785 if (isVariable(operand)) { |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1786 return colorLirOperand((Variable) operand, op.id(), mode); |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1787 } |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1788 return operand; |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1789 } |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1790 }; |
16355
eeb911056079
LinearScan: use InstructionStateProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16138
diff
changeset
|
1791 InstructionStateProcedure stateProc = new InstructionStateProcedure() { |
eeb911056079
LinearScan: use InstructionStateProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16138
diff
changeset
|
1792 |
eeb911056079
LinearScan: use InstructionStateProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16138
diff
changeset
|
1793 @Override |
eeb911056079
LinearScan: use InstructionStateProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16138
diff
changeset
|
1794 protected void doState(LIRInstruction op, LIRFrameState state) { |
eeb911056079
LinearScan: use InstructionStateProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16138
diff
changeset
|
1795 computeDebugInfo(iw, op, state); |
eeb911056079
LinearScan: use InstructionStateProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16138
diff
changeset
|
1796 } |
eeb911056079
LinearScan: use InstructionStateProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16138
diff
changeset
|
1797 }; |
16138
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1798 |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1799 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
|
1800 final LIRInstruction op = instructions.get(j); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1801 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
|
1802 hasDead = true; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1803 continue; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1804 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1805 |
13377
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1806 // remove useless moves |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1807 MoveOp move = null; |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1808 if (op instanceof MoveOp) { |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1809 move = (MoveOp) op; |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1810 AllocatableValue result = move.getResult(); |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1811 if (isVariable(result) && isMaterialized(result, op.id(), OperandMode.DEF)) { |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1812 /* |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1813 * This happens if a materializable interval is originally not spilled but then |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1814 * kicked out in LinearScanWalker.splitForSpilling(). When kicking out such an |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1815 * interval this move operation was already generated. |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1816 */ |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1817 instructions.set(j, null); |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1818 hasDead = true; |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1819 continue; |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1820 } |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1821 } |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1822 |
4245
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
1823 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
|
1824 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
|
1825 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
|
1826 op.forEachOutput(assignProc); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1827 |
5733
141b15521a39
use annotated fields for operands of LIR instructions
Christian Wimmer <christian.wimmer@oracle.com>
parents:
5711
diff
changeset
|
1828 // compute reference map and debug information |
16355
eeb911056079
LinearScan: use InstructionStateProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16138
diff
changeset
|
1829 op.forEachState(stateProc); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1830 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1831 // remove useless moves |
13377
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1832 if (move != null) { |
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
|
1833 if (move.getInput().equals(move.getResult())) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1834 instructions.set(j, null); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1835 hasDead = true; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1836 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1837 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1838 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1839 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1840 if (hasDead) { |
6321
9418ff4c9e7c
Clean up ControlFlowOptimizer.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6317
diff
changeset
|
1841 // Remove null values from the list. |
9418ff4c9e7c
Clean up ControlFlowOptimizer.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6317
diff
changeset
|
1842 instructions.removeAll(Collections.singleton(null)); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1843 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1844 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1845 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1846 private void assignLocations() { |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1847 IntervalWalker iw = initIntervalWalker(IS_STACK_INTERVAL); |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
1848 try (Indent indent = Debug.logAndIndent("assign locations")) { |
14152
42013bd831d6
Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents:
14145
diff
changeset
|
1849 for (AbstractBlock<?> block : sortedBlocks) { |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
1850 try (Indent indent2 = Debug.logAndIndent("assign locations in block B%d", block.getId())) { |
14806
a8723f1ff542
LIR renamed setter and getter functions.
Josef Eisl <josef.eisl@jku.at>
parents:
14789
diff
changeset
|
1851 assignLocations(ir.getLIRforBlock(block), iw); |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
1852 } |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
1853 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1854 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1855 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1856 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1857 public void allocate() { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1858 |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
1859 /* |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
1860 * This is the point to enable debug logging for the whole register allocation. |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
1861 */ |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1862 try (Indent indent = Debug.logAndIndent("LinearScan allocate")) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1863 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1864 try (Scope s = Debug.scope("LifetimeAnalysis")) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1865 numberInstructions(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1866 printLir("Before register allocation", true); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1867 computeLocalLiveSets(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1868 computeGlobalLiveSets(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1869 buildIntervals(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1870 sortIntervalsBeforeAllocation(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1871 } catch (Throwable e) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1872 throw Debug.handle(e); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1873 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1874 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1875 try (Scope s = Debug.scope("RegisterAllocation")) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1876 printIntervals("Before register allocation"); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1877 allocateRegisters(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1878 } catch (Throwable e) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1879 throw Debug.handle(e); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1880 } |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7512
diff
changeset
|
1881 |
16362
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
1882 if (Options.LSRAOptimizeSpillPosition.getValue()) { |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
1883 try (Scope s = Debug.scope("OptimizeSpillPosition")) { |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
1884 optimizeSpillPosition(); |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
1885 } catch (Throwable e) { |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
1886 throw Debug.handle(e); |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
1887 } |
16357
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents:
16355
diff
changeset
|
1888 } |
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents:
16355
diff
changeset
|
1889 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1890 try (Scope s = Debug.scope("ResolveDataFlow")) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1891 resolveDataFlow(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1892 } catch (Throwable e) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1893 throw Debug.handle(e); |
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
|
1894 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1895 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1896 try (Scope s = Debug.scope("DebugInfo")) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1897 frameMap.finish(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1898 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1899 printIntervals("After register allocation"); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
1900 printLir("After register allocation", true); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1901 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1902 sortIntervalsAfterAllocation(); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1903 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1904 if (DetailedAsserts.getValue()) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1905 verify(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1906 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1907 |
16372
73d7935be896
LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents:
16371
diff
changeset
|
1908 try (Scope s1 = Debug.scope("EliminateSpillMove")) { |
73d7935be896
LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents:
16371
diff
changeset
|
1909 eliminateSpillMoves(); |
73d7935be896
LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents:
16371
diff
changeset
|
1910 } catch (Throwable e) { |
73d7935be896
LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents:
16371
diff
changeset
|
1911 throw Debug.handle(e); |
73d7935be896
LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents:
16371
diff
changeset
|
1912 } |
73d7935be896
LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents:
16371
diff
changeset
|
1913 |
73d7935be896
LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents:
16371
diff
changeset
|
1914 try (Scope s1 = Debug.scope("AssignLocations")) { |
73d7935be896
LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents:
16371
diff
changeset
|
1915 assignLocations(); |
73d7935be896
LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents:
16371
diff
changeset
|
1916 } catch (Throwable e) { |
73d7935be896
LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents:
16371
diff
changeset
|
1917 throw Debug.handle(e); |
73d7935be896
LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents:
16371
diff
changeset
|
1918 } |
14871
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removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
1919 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1920 if (DetailedAsserts.getValue()) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1921 verifyIntervals(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1922 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1923 } catch (Throwable e) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1924 throw Debug.handle(e); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1925 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1926 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1927 printLir("After register number assignment", true); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1928 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1929 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1930 |
16357
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents:
16355
diff
changeset
|
1931 private DebugMetric betterSpillPos = Debug.metric("BetterSpillPosition"); |
16361
faff09aa5999
LSRA spill optimization: only use predecessor block if it has lower probability than the definition.
Josef Eisl <josef.eisl@jku.at>
parents:
16360
diff
changeset
|
1932 private DebugMetric betterSpillPosWithLowerProbability = Debug.metric("BetterSpillPositionWithLowerProbability"); |
16357
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents:
16355
diff
changeset
|
1933 |
16362
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
1934 private void optimizeSpillPosition() { |
16378
d075b97fbd31
LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents:
16377
diff
changeset
|
1935 LIRInsertionBuffer[] insertionBuffers = new LIRInsertionBuffer[ir.linearScanOrder().size()]; |
16357
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents:
16355
diff
changeset
|
1936 for (Interval interval : intervals) { |
16359
f686fae77383
LSRA spill optimization: rename SpillInDominator.MultipleSpills to SpillState.SpillInDominator.
Josef Eisl <josef.eisl@jku.at>
parents:
16358
diff
changeset
|
1937 if (interval != null && interval.isSplitParent() && interval.spillState() == SpillState.SpillInDominator) { |
16357
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents:
16355
diff
changeset
|
1938 AbstractBlock<?> defBlock = blockForId(interval.spillDefinitionPos()); |
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents:
16355
diff
changeset
|
1939 AbstractBlock<?> spillBlock = null; |
16369
f8ba57019a5d
LSRA spill optimization: move spill position to the dominator if at spill interval.
Josef Eisl <josef.eisl@jku.at>
parents:
16368
diff
changeset
|
1940 Interval firstSpillChild = null; |
16357
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents:
16355
diff
changeset
|
1941 try (Indent indent = Debug.logAndIndent("interval %s (%s)", interval, defBlock)) { |
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents:
16355
diff
changeset
|
1942 for (Interval splitChild : interval.getSplitChildren()) { |
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents:
16355
diff
changeset
|
1943 if (isStackSlot(splitChild.location())) { |
16369
f8ba57019a5d
LSRA spill optimization: move spill position to the dominator if at spill interval.
Josef Eisl <josef.eisl@jku.at>
parents:
16368
diff
changeset
|
1944 if (firstSpillChild == null || splitChild.from() < firstSpillChild.from()) { |
f8ba57019a5d
LSRA spill optimization: move spill position to the dominator if at spill interval.
Josef Eisl <josef.eisl@jku.at>
parents:
16368
diff
changeset
|
1945 firstSpillChild = splitChild; |
f8ba57019a5d
LSRA spill optimization: move spill position to the dominator if at spill interval.
Josef Eisl <josef.eisl@jku.at>
parents:
16368
diff
changeset
|
1946 } else { |
f8ba57019a5d
LSRA spill optimization: move spill position to the dominator if at spill interval.
Josef Eisl <josef.eisl@jku.at>
parents:
16368
diff
changeset
|
1947 assert firstSpillChild.from() < splitChild.from(); |
f8ba57019a5d
LSRA spill optimization: move spill position to the dominator if at spill interval.
Josef Eisl <josef.eisl@jku.at>
parents:
16368
diff
changeset
|
1948 } |
f8ba57019a5d
LSRA spill optimization: move spill position to the dominator if at spill interval.
Josef Eisl <josef.eisl@jku.at>
parents:
16368
diff
changeset
|
1949 // iterate all blocks where the interval has use positions |
16376
ef21879c0c8f
LSRA spill optimization: rename UseBlockIterator to IntervalBlockIterator.
Josef Eisl <josef.eisl@jku.at>
parents:
16375
diff
changeset
|
1950 for (AbstractBlock<?> splitBlock : blocksForInterval(splitChild)) { |
16373
74e93f5ba4f3
LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents:
16372
diff
changeset
|
1951 if (dominates(defBlock, splitBlock)) { |
74e93f5ba4f3
LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents:
16372
diff
changeset
|
1952 Debug.log("Split interval %s, block %s", splitChild, splitBlock); |
74e93f5ba4f3
LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents:
16372
diff
changeset
|
1953 if (spillBlock == null) { |
74e93f5ba4f3
LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents:
16372
diff
changeset
|
1954 spillBlock = splitBlock; |
74e93f5ba4f3
LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents:
16372
diff
changeset
|
1955 } else { |
16506
505c17ed39da
LSRA spill optimization: use AbstractControlFlowGraph.commonDominator.
Josef Eisl <josef.eisl@jku.at>
parents:
16505
diff
changeset
|
1956 spillBlock = commonDominator(spillBlock, splitBlock); |
16373
74e93f5ba4f3
LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents:
16372
diff
changeset
|
1957 assert spillBlock != null; |
74e93f5ba4f3
LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents:
16372
diff
changeset
|
1958 } |
16364
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents:
16363
diff
changeset
|
1959 } |
16357
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents:
16355
diff
changeset
|
1960 } |
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents:
16355
diff
changeset
|
1961 } |
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents:
16355
diff
changeset
|
1962 } |
16360
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
1963 if (spillBlock == null) { |
16358
9371b9c246ca
LSRA spill optimization: spill at earliest dominator.
Josef Eisl <josef.eisl@jku.at>
parents:
16357
diff
changeset
|
1964 // no spill interval |
9371b9c246ca
LSRA spill optimization: spill at earliest dominator.
Josef Eisl <josef.eisl@jku.at>
parents:
16357
diff
changeset
|
1965 interval.setSpillState(SpillState.StoreAtDefinition); |
9371b9c246ca
LSRA spill optimization: spill at earliest dominator.
Josef Eisl <josef.eisl@jku.at>
parents:
16357
diff
changeset
|
1966 } else { |
16360
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
1967 // move out of loops |
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
1968 if (defBlock.getLoopDepth() < spillBlock.getLoopDepth()) { |
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
1969 spillBlock = moveSpillOutOfLoop(defBlock, spillBlock); |
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
1970 } |
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
1971 |
16369
f8ba57019a5d
LSRA spill optimization: move spill position to the dominator if at spill interval.
Josef Eisl <josef.eisl@jku.at>
parents:
16368
diff
changeset
|
1972 /* |
f8ba57019a5d
LSRA spill optimization: move spill position to the dominator if at spill interval.
Josef Eisl <josef.eisl@jku.at>
parents:
16368
diff
changeset
|
1973 * If the spill block is the begin of the first split child (aka the value |
f8ba57019a5d
LSRA spill optimization: move spill position to the dominator if at spill interval.
Josef Eisl <josef.eisl@jku.at>
parents:
16368
diff
changeset
|
1974 * is on the stack) spill in the dominator. |
f8ba57019a5d
LSRA spill optimization: move spill position to the dominator if at spill interval.
Josef Eisl <josef.eisl@jku.at>
parents:
16368
diff
changeset
|
1975 */ |
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1976 assert firstSpillChild != null; |
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1977 if (!defBlock.equals(spillBlock) && spillBlock.equals(blockForId(firstSpillChild.from()))) { |
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1978 AbstractBlock<?> dom = spillBlock.getDominator(); |
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LSRA spill optimization: move spill position to the dominator if at spill interval.
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1979 Debug.log("Spill block (%s) is the beginning of a spill child -> use dominator (%s)", spillBlock, dom); |
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LSRA spill optimization: move spill position to the dominator if at spill interval.
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1980 spillBlock = dom; |
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1981 } |
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1982 |
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1983 if (!defBlock.equals(spillBlock)) { |
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1984 assert dominates(defBlock, spillBlock); |
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1985 betterSpillPos.increment(); |
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LSRA spill optimization: move spill out of loops.
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1986 Debug.log("Better spill position found (Block %s)", spillBlock); |
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1987 |
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LSRA spill optimization: only use predecessor block if it has lower probability than the definition.
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1988 if (defBlock.probability() <= spillBlock.probability()) { |
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1989 // better spill block has the same probability -> do nothing |
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1990 interval.setSpillState(SpillState.StoreAtDefinition); |
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LSRA spill optimization: only use predecessor block if it has lower probability than the definition.
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1991 } else { |
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1992 LIRInsertionBuffer insertionBuffer = insertionBuffers[spillBlock.getId()]; |
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1993 if (insertionBuffer == null) { |
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1994 insertionBuffer = new LIRInsertionBuffer(); |
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1995 insertionBuffers[spillBlock.getId()] = insertionBuffer; |
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1996 insertionBuffer.init(ir.getLIRforBlock(spillBlock)); |
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|
1997 } |
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1998 int spillOpId = getFirstLirInstructionId(spillBlock); |
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1999 // insert spill move |
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2000 AllocatableValue fromLocation = interval.getSplitChildAtOpId(spillOpId, OperandMode.DEF, this).location(); |
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2001 AllocatableValue toLocation = canonicalSpillOpr(interval); |
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|
2002 LIRInstruction move = ir.getSpillMoveFactory().createMove(toLocation, fromLocation); |
16380
8057279ec60e
LSRA spill optimization: use DOMINATOR_SPILL_MOVE_ID to mark moves.
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|
2003 move.setId(DOMINATOR_SPILL_MOVE_ID); |
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|
2004 /* |
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|
2005 * We can use the insertion buffer directly because we always insert |
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2006 * at position 1. |
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|
2007 */ |
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|
2008 insertionBuffer.append(1, move); |
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|
2009 |
16361
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LSRA spill optimization: only use predecessor block if it has lower probability than the definition.
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|
2010 betterSpillPosWithLowerProbability.increment(); |
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|
2011 interval.setSpillDefinitionPos(spillOpId); |
16361
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parents:
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changeset
|
2012 } |
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LSRA spill optimization: move spill out of loops.
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parents:
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|
2013 } else { |
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
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parents:
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|
2014 // definition is the best choice |
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LSRA spill optimization: move spill out of loops.
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changeset
|
2015 interval.setSpillState(SpillState.StoreAtDefinition); |
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LSRA spill optimization: move spill out of loops.
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changeset
|
2016 } |
16357
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LSRA spill optimization: calculate optimized spill position.
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|
2017 } |
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
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changeset
|
2018 } |
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
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diff
changeset
|
2019 } |
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
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parents:
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changeset
|
2020 } |
16378
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|
2021 for (LIRInsertionBuffer insertionBuffer : insertionBuffers) { |
d075b97fbd31
LSRA spill optimization: insert spill moves eagerly.
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parents:
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|
2022 if (insertionBuffer != null) { |
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LSRA spill optimization: insert spill moves eagerly.
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parents:
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|
2023 assert insertionBuffer.initialized() : "Insertion buffer is nonnull but not initialized!"; |
d075b97fbd31
LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents:
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|
2024 insertionBuffer.finish(); |
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LSRA spill optimization: insert spill moves eagerly.
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parents:
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diff
changeset
|
2025 } |
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LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents:
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diff
changeset
|
2026 } |
16357
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LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents:
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changeset
|
2027 } |
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents:
16355
diff
changeset
|
2028 |
16364
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents:
16363
diff
changeset
|
2029 /** |
16376
ef21879c0c8f
LSRA spill optimization: rename UseBlockIterator to IntervalBlockIterator.
Josef Eisl <josef.eisl@jku.at>
parents:
16375
diff
changeset
|
2030 * Iterate over all {@link AbstractBlock blocks} of an interval. |
16364
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents:
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changeset
|
2031 */ |
16376
ef21879c0c8f
LSRA spill optimization: rename UseBlockIterator to IntervalBlockIterator.
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parents:
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changeset
|
2032 private class IntervalBlockIterator implements Iterator<AbstractBlock<?>> { |
16364
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LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents:
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changeset
|
2033 |
16373
74e93f5ba4f3
LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents:
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diff
changeset
|
2034 Range range; |
74e93f5ba4f3
LSRA spill optimization: consider all spill blocks not only use positions.
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parents:
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diff
changeset
|
2035 AbstractBlock<?> block; |
16364
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents:
16363
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changeset
|
2036 |
16376
ef21879c0c8f
LSRA spill optimization: rename UseBlockIterator to IntervalBlockIterator.
Josef Eisl <josef.eisl@jku.at>
parents:
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changeset
|
2037 public IntervalBlockIterator(Interval interval) { |
16373
74e93f5ba4f3
LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents:
16372
diff
changeset
|
2038 range = interval.first(); |
74e93f5ba4f3
LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents:
16372
diff
changeset
|
2039 block = blockForId(range.from); |
16364
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents:
16363
diff
changeset
|
2040 } |
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents:
16363
diff
changeset
|
2041 |
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents:
16363
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changeset
|
2042 public AbstractBlock<?> next() { |
16373
74e93f5ba4f3
LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents:
16372
diff
changeset
|
2043 AbstractBlock<?> currentBlock = block; |
16364
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents:
16363
diff
changeset
|
2044 int nextBlockIndex = block.getLinearScanNumber() + 1; |
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents:
16363
diff
changeset
|
2045 if (nextBlockIndex < sortedBlocks.size()) { |
16373
74e93f5ba4f3
LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents:
16372
diff
changeset
|
2046 block = sortedBlocks.get(nextBlockIndex); |
16375
ff14306337f2
LSRA spill optimization: fix UseBlockIterator.
Josef Eisl <josef.eisl@jku.at>
parents:
16374
diff
changeset
|
2047 if (range.to <= getFirstLirInstructionId(block)) { |
16373
74e93f5ba4f3
LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents:
16372
diff
changeset
|
2048 range = range.next; |
74e93f5ba4f3
LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents:
16372
diff
changeset
|
2049 if (range == Range.EndMarker) { |
74e93f5ba4f3
LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents:
16372
diff
changeset
|
2050 block = null; |
74e93f5ba4f3
LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents:
16372
diff
changeset
|
2051 } else { |
74e93f5ba4f3
LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents:
16372
diff
changeset
|
2052 block = blockForId(range.from); |
74e93f5ba4f3
LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents:
16372
diff
changeset
|
2053 } |
16370
3324ab9fe71a
LSRA spill optimization: iterate all ranges of spill interval.
Josef Eisl <josef.eisl@jku.at>
parents:
16369
diff
changeset
|
2054 } |
16364
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents:
16363
diff
changeset
|
2055 } else { |
16373
74e93f5ba4f3
LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents:
16372
diff
changeset
|
2056 block = null; |
16364
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents:
16363
diff
changeset
|
2057 } |
16373
74e93f5ba4f3
LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents:
16372
diff
changeset
|
2058 return currentBlock; |
16364
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents:
16363
diff
changeset
|
2059 } |
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents:
16363
diff
changeset
|
2060 |
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents:
16363
diff
changeset
|
2061 public boolean hasNext() { |
16373
74e93f5ba4f3
LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents:
16372
diff
changeset
|
2062 return block != null; |
16364
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents:
16363
diff
changeset
|
2063 } |
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents:
16363
diff
changeset
|
2064 } |
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents:
16363
diff
changeset
|
2065 |
16376
ef21879c0c8f
LSRA spill optimization: rename UseBlockIterator to IntervalBlockIterator.
Josef Eisl <josef.eisl@jku.at>
parents:
16375
diff
changeset
|
2066 private Iterable<AbstractBlock<?>> blocksForInterval(Interval interval) { |
16364
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents:
16363
diff
changeset
|
2067 return new Iterable<AbstractBlock<?>>() { |
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents:
16363
diff
changeset
|
2068 public Iterator<AbstractBlock<?>> iterator() { |
16376
ef21879c0c8f
LSRA spill optimization: rename UseBlockIterator to IntervalBlockIterator.
Josef Eisl <josef.eisl@jku.at>
parents:
16375
diff
changeset
|
2069 return new IntervalBlockIterator(interval); |
16364
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents:
16363
diff
changeset
|
2070 } |
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents:
16363
diff
changeset
|
2071 }; |
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents:
16363
diff
changeset
|
2072 } |
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents:
16363
diff
changeset
|
2073 |
16360
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
2074 private static AbstractBlock<?> moveSpillOutOfLoop(AbstractBlock<?> defBlock, AbstractBlock<?> spillBlock) { |
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
2075 int defLoopDepth = defBlock.getLoopDepth(); |
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
2076 for (AbstractBlock<?> block = spillBlock.getDominator(); !defBlock.equals(block); block = block.getDominator()) { |
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
2077 assert block != null : "spill block not dominated by definition block?"; |
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
2078 if (block.getLoopDepth() <= defLoopDepth) { |
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
2079 assert block.getLoopDepth() == defLoopDepth : "Cannot spill an interval outside of the loop where it is defined!"; |
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
2080 return block; |
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
2081 } |
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
2082 } |
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
2083 return defBlock; |
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
2084 } |
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
2085 |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2086 void printIntervals(String label) { |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2087 if (Debug.isLogEnabled()) { |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2088 try (Indent indent = Debug.logAndIndent("intervals %s", label)) { |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2089 for (Interval interval : intervals) { |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2090 if (interval != null) { |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2091 Debug.log("%s", interval.logString(this)); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2092 } |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2093 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2094 |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2095 try (Indent indent2 = Debug.logAndIndent("Basic Blocks")) { |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2096 for (int i = 0; i < blockCount(); i++) { |
14152
42013bd831d6
Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents:
14145
diff
changeset
|
2097 AbstractBlock<?> block = blockAt(i); |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2098 Debug.log("B%d [%d, %d, %s] ", block.getId(), getFirstLirInstructionId(block), getLastLirInstructionId(block), block.getLoop()); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2099 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2100 } |
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 } |
4353
043bec543161
More work on debug framework. Removed concept of GraalContext.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4352
diff
changeset
|
2103 Debug.dump(Arrays.copyOf(intervals, intervalsSize), label); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2104 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2105 |
7556
630ea5001e33
Modified formatter settings to not insert line break after annotation on parameters.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
7530
diff
changeset
|
2106 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
|
2107 Debug.dump(ir, label); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2108 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2109 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2110 boolean verify() { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2111 // (check that all intervals have a correct register and that no registers are overwritten) |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2112 verifyIntervals(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2113 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2114 verifyRegisters(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2115 |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2116 Debug.log("no errors found"); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2117 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2118 return true; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2119 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2120 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2121 private void verifyRegisters() { |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2122 // Enable this logging to get output for the verification process. |
13546
43bd3d7254d1
don?t explicitly disable debug log output in linear scan and graphbuilder
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13467
diff
changeset
|
2123 try (Indent indent = Debug.logAndIndent("verifying register allocation")) { |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2124 RegisterVerifier verifier = new RegisterVerifier(this); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2125 verifier.verify(blockAt(0)); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2126 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2127 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2128 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2129 void verifyIntervals() { |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2130 try (Indent indent = Debug.logAndIndent("verifying intervals")) { |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2131 int len = intervalsSize; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2132 |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2133 for (int i = 0; i < len; i++) { |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2134 Interval i1 = intervals[i]; |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2135 if (i1 == null) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2136 continue; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2137 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2138 |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2139 i1.checkSplitChildren(); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2140 |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2141 if (i1.operandNumber != i) { |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2142 Debug.log("Interval %d is on position %d in list", i1.operandNumber, i); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2143 Debug.log(i1.logString(this)); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2144 throw new GraalInternalError(""); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2145 } |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2146 |
16118
5cbaad0b7387
Verify usage of equals method in LIRKind.
Roland Schatz <roland.schatz@oracle.com>
parents:
16094
diff
changeset
|
2147 if (isVariable(i1.operand) && i1.kind().equals(LIRKind.Illegal)) { |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2148 Debug.log("Interval %d has no type assigned", i1.operandNumber); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2149 Debug.log(i1.logString(this)); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2150 throw new GraalInternalError(""); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2151 } |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2152 |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2153 if (i1.location() == null) { |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2154 Debug.log("Interval %d has no register assigned", i1.operandNumber); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2155 Debug.log(i1.logString(this)); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2156 throw new GraalInternalError(""); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2157 } |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2158 |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2159 if (i1.first() == Range.EndMarker) { |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2160 Debug.log("Interval %d has no Range", i1.operandNumber); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2161 Debug.log(i1.logString(this)); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2162 throw new GraalInternalError(""); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2163 } |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2164 |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2165 for (Range r = i1.first(); r != Range.EndMarker; r = r.next) { |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2166 if (r.from >= r.to) { |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2167 Debug.log("Interval %d has zero length range", i1.operandNumber); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2168 Debug.log(i1.logString(this)); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2169 throw new GraalInternalError(""); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2170 } |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2171 } |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2172 |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2173 for (int j = i + 1; j < len; j++) { |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2174 Interval i2 = intervals[j]; |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2175 if (i2 == null) { |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2176 continue; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2177 } |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2178 |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2179 // special intervals that are created in MoveResolver |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2180 // . ignore them because the range information has no meaning there |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2181 if (i1.from() == 1 && i1.to() == 2) { |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2182 continue; |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2183 } |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2184 if (i2.from() == 1 && i2.to() == 2) { |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2185 continue; |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2186 } |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2187 Value l1 = i1.location(); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2188 Value l2 = i2.location(); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2189 if (i1.intersects(i2) && !isIllegal(l1) && (l1.equals(l2))) { |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2190 if (DetailedAsserts.getValue()) { |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2191 Debug.log("Intervals %d and %d overlap and have the same register assigned", i1.operandNumber, i2.operandNumber); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2192 Debug.log(i1.logString(this)); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2193 Debug.log(i2.logString(this)); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2194 } |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2195 throw new BailoutException(""); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2196 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2197 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2198 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2199 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2200 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2201 |
4245
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2202 class CheckProcedure extends ValueProcedure { |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7512
diff
changeset
|
2203 |
4245
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2204 boolean ok; |
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2205 Interval curInterval; |
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2206 |
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2207 @Override |
5539
bc647d8b0080
Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5536
diff
changeset
|
2208 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
|
2209 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
|
2210 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
|
2211 ok = true; |
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2212 } |
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2213 } |
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2214 return operand; |
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2215 } |
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2216 } |
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2217 |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2218 void verifyNoOopsInFixedIntervals() { |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2219 try (Indent indent = Debug.logAndIndent("verifying that no oops are in fixed intervals *")) { |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2220 CheckProcedure checkProc = new CheckProcedure(); |
4245
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2221 |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2222 Interval fixedIntervals; |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2223 Interval otherIntervals; |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2224 fixedIntervals = createUnhandledLists(IS_PRECOLORED_INTERVAL, null).first; |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2225 // to ensure a walking until the last instruction id, add a dummy interval |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2226 // with a high operation id |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2227 otherIntervals = new Interval(Value.ILLEGAL, -1); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2228 otherIntervals.addRange(Integer.MAX_VALUE - 2, Integer.MAX_VALUE - 1); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2229 IntervalWalker iw = new IntervalWalker(this, fixedIntervals, otherIntervals); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2230 |
14152
42013bd831d6
Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents:
14145
diff
changeset
|
2231 for (AbstractBlock<?> block : sortedBlocks) { |
14806
a8723f1ff542
LIR renamed setter and getter functions.
Josef Eisl <josef.eisl@jku.at>
parents:
14789
diff
changeset
|
2232 List<LIRInstruction> instructions = ir.getLIRforBlock(block); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2233 |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2234 for (int j = 0; j < instructions.size(); j++) { |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2235 LIRInstruction op = instructions.get(j); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2236 |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2237 if (op.hasState()) { |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2238 iw.walkBefore(op.id()); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2239 boolean checkLive = true; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2240 |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2241 // Make sure none of the fixed registers is live across an |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2242 // oopmap since we can't handle that correctly. |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2243 if (checkLive) { |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2244 for (Interval interval = iw.activeLists.get(RegisterBinding.Fixed); interval != Interval.EndMarker; interval = interval.next) { |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2245 if (interval.currentTo() > op.id() + 1) { |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2246 // This interval is live out of this op so make sure |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2247 // that this interval represents some value that's |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2248 // referenced by this op either as an input or output. |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2249 checkProc.curInterval = interval; |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2250 checkProc.ok = false; |
4245
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2251 |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2252 op.forEachInput(checkProc); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2253 op.forEachAlive(checkProc); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2254 op.forEachTemp(checkProc); |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2255 op.forEachOutput(checkProc); |
4245
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2256 |
13467
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2257 assert checkProc.ok : "fixed intervals should never be live across an oopmap point"; |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2258 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2259 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2260 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2261 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2262 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2263 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2264 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2265 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2266 |
14070
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2267 /** |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2268 * Returns a value for a interval definition, which can be used for re-materialization. |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
2269 * |
14070
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2270 * @param op An instruction which defines a value |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2271 * @param operand The destination operand of the instruction |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2272 * @param interval The interval for this defined value. |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2273 * @return Returns the value which is moved to the instruction and which can be reused at all |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2274 * reload-locations in case the interval of this instruction is spilled. Currently this |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2275 * can only be a {@link Constant}. |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2276 */ |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2277 public static Constant getMaterializedValue(LIRInstruction op, Value operand, Interval interval) { |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2278 if (op instanceof MoveOp) { |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2279 MoveOp move = (MoveOp) op; |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2280 if (move.getInput() instanceof Constant) { |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2281 /* |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2282 * Check if the interval has any uses which would accept an stack location (priority |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2283 * == ShouldHaveRegister). Rematerialization of such intervals can result in a |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2284 * degradation, because rematerialization always inserts a constant load, even if |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2285 * the value is not needed in a register. |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2286 */ |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2287 Interval.UsePosList usePosList = interval.usePosList(); |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2288 int numUsePos = usePosList.size(); |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2289 for (int useIdx = 0; useIdx < numUsePos; useIdx++) { |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2290 Interval.RegisterPriority priority = usePosList.registerPriority(useIdx); |
15920 | 2291 if (priority == Interval.RegisterPriority.ShouldHaveRegister) { |
14070
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2292 return null; |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2293 } |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2294 } |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2295 return (Constant) move.getInput(); |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2296 } |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2297 } |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2298 return null; |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2299 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2300 } |