Mercurial > hg > truffle
annotate graal/com.oracle.graal.lir/src/com/oracle/graal/lir/alloc/lsra/LinearScan.java @ 19563:a33fe10c4d93
Merge.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Mon, 23 Feb 2015 20:13:29 +0100 |
parents | 4d70d150944f 1cf73c50e3dc |
children | 9bb45bec2b1f |
rev | line source |
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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.lir.alloc.lsra; |
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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.common.GraalOptions.*; |
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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 import static com.oracle.graal.lir.debug.LIRGenerationDebugContext.*; |
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31 |
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32 import java.util.*; |
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33 |
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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.common.*; |
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37 import com.oracle.graal.compiler.common.alloc.*; |
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38 import com.oracle.graal.compiler.common.cfg.*; |
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39 import com.oracle.graal.compiler.common.util.*; |
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40 import com.oracle.graal.debug.*; |
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41 import com.oracle.graal.debug.Debug.Scope; |
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42 import com.oracle.graal.lir.*; |
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43 import com.oracle.graal.lir.LIRInstruction.OperandFlag; |
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44 import com.oracle.graal.lir.LIRInstruction.OperandMode; |
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45 import com.oracle.graal.lir.StandardOp.MoveOp; |
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46 import com.oracle.graal.lir.alloc.lsra.Interval.RegisterBinding; |
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47 import com.oracle.graal.lir.alloc.lsra.Interval.RegisterPriority; |
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48 import com.oracle.graal.lir.alloc.lsra.Interval.SpillState; |
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49 import com.oracle.graal.lir.framemap.*; |
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50 import com.oracle.graal.lir.gen.*; |
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51 import com.oracle.graal.lir.gen.LIRGeneratorTool.SpillMoveFactory; |
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52 import com.oracle.graal.options.*; |
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53 |
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54 /** |
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55 * An implementation of the linear scan register allocator algorithm described in <a |
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56 * href="http://doi.acm.org/10.1145/1064979.1064998" |
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57 * >"Optimized Interval Splitting in a Linear Scan Register Allocator"</a> by Christian Wimmer and |
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58 * Hanspeter Moessenboeck. |
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59 */ |
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61 |
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62 final TargetDescription target; |
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63 final LIRGenerationResult res; |
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64 final LIR ir; |
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65 final FrameMapBuilder frameMapBuilder; |
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66 final SpillMoveFactory spillMoveFactory; |
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67 final RegisterAttributes[] registerAttributes; |
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68 final Register[] registers; |
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69 |
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70 final boolean callKillsRegisters; |
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72 public static final int DOMINATOR_SPILL_MOVE_ID = -2; |
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73 private static final int SPLIT_INTERVALS_CAPACITY_RIGHT_SHIFT = 1; |
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74 |
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75 public static class Options { |
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76 // @formatter:off |
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77 @Option(help = "Enable spill position optimization", type = OptionType.Debug) |
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78 public static final OptionValue<Boolean> LSRAOptimizeSpillPosition = new OptionValue<>(true); |
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79 // @formatter:on |
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80 } |
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81 |
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82 public static class BlockData { |
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83 |
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84 /** |
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85 * Bit map specifying which operands are live upon entry to this block. These are values |
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86 * used in this block or any of its successors where such value are not defined in this |
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87 * block. The bit index of an operand is its {@linkplain LinearScan#operandNumber(Value) |
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88 * operand number}. |
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89 */ |
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90 public BitSet liveIn; |
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91 |
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92 /** |
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93 * Bit map specifying which operands are live upon exit from this block. These are values |
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94 * used in a successor block that are either defined in this block or were live upon entry |
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95 * to this block. The bit index of an operand is its |
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96 * {@linkplain LinearScan#operandNumber(Value) operand number}. |
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97 */ |
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98 public BitSet liveOut; |
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99 |
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100 /** |
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101 * Bit map specifying which operands are used (before being defined) in this block. That is, |
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102 * these are the values that are live upon entry to the block. The bit index of an operand |
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103 * is its {@linkplain LinearScan#operandNumber(Value) operand number}. |
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104 */ |
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105 public BitSet liveGen; |
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106 |
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107 /** |
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108 * Bit map specifying which operands are defined/overwritten in this block. The bit index of |
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109 * an operand is its {@linkplain LinearScan#operandNumber(Value) operand number}. |
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110 */ |
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111 public BitSet liveKill; |
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112 } |
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113 |
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115 |
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116 /** |
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117 * List of blocks in linear-scan order. This is only correct as long as the CFG does not change. |
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118 */ |
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119 final List<? extends AbstractBlockBase<?>> sortedBlocks; |
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120 |
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121 /** |
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122 * Map from {@linkplain #operandNumber(Value) operand numbers} to intervals. |
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123 */ |
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124 Interval[] intervals; |
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125 |
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126 /** |
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127 * The number of valid entries in {@link #intervals}. |
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128 */ |
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129 int intervalsSize; |
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130 |
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131 /** |
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132 * The index of the first entry in {@link #intervals} for a |
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133 * {@linkplain #createDerivedInterval(Interval) derived interval}. |
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134 */ |
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135 int firstDerivedIntervalIndex = -1; |
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136 |
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137 /** |
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138 * Intervals sorted by {@link Interval#from()}. |
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139 */ |
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140 Interval[] sortedIntervals; |
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141 |
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142 /** |
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143 * Map from an instruction {@linkplain LIRInstruction#id id} to the instruction. Entries should |
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144 * be retrieved with {@link #instructionForId(int)} as the id is not simply an index into this |
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145 * array. |
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146 */ |
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147 LIRInstruction[] opIdToInstructionMap; |
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148 |
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149 /** |
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150 * Map from an instruction {@linkplain LIRInstruction#id id} to the {@linkplain AbstractBlockBase |
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151 * block} containing the instruction. Entries should be retrieved with {@link #blockForId(int)} |
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152 * as the id is not simply an index into this array. |
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153 */ |
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154 AbstractBlockBase<?>[] opIdToBlockMap; |
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155 |
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156 /** |
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157 * Bit set for each variable that is contained in each loop. |
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158 */ |
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159 BitMap2D intervalInLoop; |
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160 |
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161 /** |
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162 * The {@linkplain #operandNumber(Value) number} of the first variable operand allocated. |
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163 */ |
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164 private final int firstVariableNumber; |
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165 |
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166 LinearScan(TargetDescription target, LIRGenerationResult res, SpillMoveFactory spillMoveFactory) { |
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167 this.target = target; |
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168 this.res = res; |
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169 this.ir = res.getLIR(); |
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170 this.spillMoveFactory = spillMoveFactory; |
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171 this.frameMapBuilder = res.getFrameMapBuilder(); |
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172 this.sortedBlocks = ir.linearScanOrder(); |
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173 this.registerAttributes = frameMapBuilder.getRegisterConfig().getAttributesMap(); |
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174 |
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175 this.registers = target.arch.getRegisters(); |
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176 this.firstVariableNumber = registers.length; |
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177 this.blockData = new BlockMap<>(ir.getControlFlowGraph()); |
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178 |
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179 // If all allocatable registers are caller saved, then no registers are live across a call |
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180 // site. The register allocator can save time not trying to find a register at a call site. |
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181 this.callKillsRegisters = this.frameMapBuilder.getRegisterConfig().areAllAllocatableRegistersCallerSaved(); |
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182 } |
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183 |
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184 int getFirstLirInstructionId(AbstractBlockBase<?> block) { |
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185 int result = ir.getLIRforBlock(block).get(0).id(); |
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186 assert result >= 0; |
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187 return result; |
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188 } |
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189 |
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190 int getLastLirInstructionId(AbstractBlockBase<?> block) { |
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191 List<LIRInstruction> instructions = ir.getLIRforBlock(block); |
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192 int result = instructions.get(instructions.size() - 1).id(); |
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193 assert result >= 0; |
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194 return result; |
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195 } |
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196 |
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197 SpillMoveFactory getSpillMoveFactory() { |
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198 return spillMoveFactory; |
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199 } |
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200 |
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201 public static boolean isVariableOrRegister(Value value) { |
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202 return isVariable(value) || isRegister(value); |
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203 } |
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204 |
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205 /** |
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206 * Converts an operand (variable or register) to an index in a flat address space covering all |
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207 * the {@linkplain Variable variables} and {@linkplain RegisterValue registers} being processed |
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208 * by this allocator. |
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209 */ |
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210 private int operandNumber(Value operand) { |
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211 if (isRegister(operand)) { |
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212 int number = asRegister(operand).number; |
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213 assert number < firstVariableNumber; |
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214 return number; |
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215 } |
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216 assert isVariable(operand) : operand; |
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217 return firstVariableNumber + ((Variable) operand).index; |
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218 } |
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219 |
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220 /** |
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221 * Gets the number of operands. This value will increase by 1 for new variable. |
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222 */ |
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223 private int operandSize() { |
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224 return firstVariableNumber + ir.numVariables(); |
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225 } |
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226 |
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227 /** |
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228 * Gets the highest operand number for a register operand. This value will never change. |
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229 */ |
19212 | 230 int maxRegisterNumber() { |
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231 return firstVariableNumber - 1; |
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232 } |
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233 |
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234 static final IntervalPredicate IS_PRECOLORED_INTERVAL = new IntervalPredicate() { |
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235 |
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236 @Override |
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237 public boolean apply(Interval i) { |
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238 return isRegister(i.operand); |
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239 } |
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240 }; |
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241 |
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242 static final IntervalPredicate IS_VARIABLE_INTERVAL = new IntervalPredicate() { |
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243 |
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244 @Override |
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245 public boolean apply(Interval i) { |
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246 return isVariable(i.operand); |
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247 } |
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248 }; |
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249 |
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250 static final IntervalPredicate IS_STACK_INTERVAL = new IntervalPredicate() { |
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251 |
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252 @Override |
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253 public boolean apply(Interval i) { |
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254 return !isRegister(i.operand); |
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255 } |
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256 }; |
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257 |
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258 /** |
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259 * Gets an object describing the attributes of a given register according to this register |
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260 * configuration. |
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261 */ |
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262 RegisterAttributes attributes(Register reg) { |
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263 return registerAttributes[reg.number]; |
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264 } |
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265 |
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266 void assignSpillSlot(Interval interval) { |
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267 // assign the canonical spill slot of the parent (if a part of the interval |
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268 // is already spilled) or allocate a new spill slot |
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269 if (interval.canMaterialize()) { |
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270 interval.assignLocation(Value.ILLEGAL); |
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271 } else if (interval.spillSlot() != null) { |
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272 interval.assignLocation(interval.spillSlot()); |
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273 } else { |
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274 VirtualStackSlot slot = frameMapBuilder.allocateSpillSlot(interval.kind()); |
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275 interval.setSpillSlot(slot); |
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276 interval.assignLocation(slot); |
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277 } |
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278 } |
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279 |
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280 /** |
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281 * Creates a new interval. |
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282 * |
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283 * @param operand the operand for the interval |
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284 * @return the created interval |
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285 */ |
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286 Interval createInterval(AllocatableValue operand) { |
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287 assert isLegal(operand); |
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288 int operandNumber = operandNumber(operand); |
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289 Interval interval = new Interval(operand, operandNumber); |
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290 assert operandNumber < intervalsSize; |
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291 assert intervals[operandNumber] == null; |
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292 intervals[operandNumber] = interval; |
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293 return interval; |
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294 } |
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295 |
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296 /** |
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297 * Creates an interval as a result of splitting or spilling another interval. |
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298 * |
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299 * @param source an interval being split of spilled |
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300 * @return a new interval derived from {@code source} |
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301 */ |
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302 Interval createDerivedInterval(Interval source) { |
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303 if (firstDerivedIntervalIndex == -1) { |
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304 firstDerivedIntervalIndex = intervalsSize; |
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305 } |
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306 if (intervalsSize == intervals.length) { |
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307 intervals = Arrays.copyOf(intervals, intervals.length + (intervals.length >> SPLIT_INTERVALS_CAPACITY_RIGHT_SHIFT)); |
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308 } |
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309 intervalsSize++; |
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310 Variable variable = new Variable(source.kind(), ir.nextVariable()); |
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311 |
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312 Interval interval = createInterval(variable); |
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313 assert intervals[intervalsSize - 1] == interval; |
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314 return interval; |
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315 } |
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316 |
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317 // access to block list (sorted in linear scan order) |
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318 int blockCount() { |
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319 return sortedBlocks.size(); |
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320 } |
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321 |
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322 AbstractBlockBase<?> blockAt(int index) { |
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323 return sortedBlocks.get(index); |
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324 } |
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325 |
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326 /** |
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327 * Gets the size of the {@link BlockData#liveIn} and {@link BlockData#liveOut} sets for a basic |
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328 * block. These sets do not include any operands allocated as a result of creating |
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329 * {@linkplain #createDerivedInterval(Interval) derived intervals}. |
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330 */ |
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331 int liveSetSize() { |
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332 return firstDerivedIntervalIndex == -1 ? operandSize() : firstDerivedIntervalIndex; |
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333 } |
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334 |
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335 int numLoops() { |
15107 | 336 return ir.getControlFlowGraph().getLoops().size(); |
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337 } |
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338 |
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339 boolean isIntervalInLoop(int interval, int loop) { |
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340 return intervalInLoop.at(interval, loop); |
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341 } |
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342 |
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343 Interval intervalFor(int operandNumber) { |
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344 return intervals[operandNumber]; |
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345 } |
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346 |
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347 Interval intervalFor(Value operand) { |
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348 int operandNumber = operandNumber(operand); |
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349 assert operandNumber < intervalsSize; |
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350 return intervals[operandNumber]; |
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351 } |
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352 |
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Interval locations can only be AllocatableValues.
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353 Interval getOrCreateInterval(AllocatableValue operand) { |
8220
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354 Interval ret = intervalFor(operand); |
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355 if (ret == null) { |
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356 return createInterval(operand); |
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357 } else { |
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358 return ret; |
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parents:
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|
359 } |
2c5df42999dd
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parents:
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|
360 } |
2c5df42999dd
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parents:
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|
361 |
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362 /** |
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363 * Gets the highest instruction id allocated by this object. |
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364 */ |
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parents:
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365 int maxOpId() { |
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parents:
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366 assert opIdToInstructionMap.length > 0 : "no operations"; |
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parents:
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367 return (opIdToInstructionMap.length - 1) << 1; |
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parents:
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368 } |
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369 |
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parents:
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|
370 /** |
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371 * Converts an {@linkplain LIRInstruction#id instruction id} to an instruction index. All LIR |
5e3d1a68664e
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372 * instructions in a method have an index one greater than their linear-scan order predecesor |
3733
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373 * with the first instruction having an index of 0. |
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374 */ |
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parents:
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375 static int opIdToIndex(int opId) { |
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376 return opId >> 1; |
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377 } |
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378 |
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379 /** |
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380 * Retrieves the {@link LIRInstruction} based on its {@linkplain LIRInstruction#id id}. |
14871
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Doug Simon <doug.simon@oracle.com>
parents:
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381 * |
3733
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382 * @param opId an instruction {@linkplain LIRInstruction#id id} |
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parents:
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383 * @return the instruction whose {@linkplain LIRInstruction#id} {@code == id} |
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parents:
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384 */ |
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parents:
diff
changeset
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385 LIRInstruction instructionForId(int opId) { |
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parents:
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changeset
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386 assert isEven(opId) : "opId not even"; |
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387 LIRInstruction instr = opIdToInstructionMap[opIdToIndex(opId)]; |
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388 assert instr.id() == opId; |
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parents:
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389 return instr; |
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parents:
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390 } |
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parents:
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|
391 |
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parents:
diff
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|
392 /** |
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parents:
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|
393 * Gets the block containing a given instruction. |
14871
667710021ea1
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Doug Simon <doug.simon@oracle.com>
parents:
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|
394 * |
3733
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395 * @param opId an instruction {@linkplain LIRInstruction#id id} |
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parents:
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396 * @return the block containing the instruction denoted by {@code opId} |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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|
397 */ |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
398 AbstractBlockBase<?> blockForId(int opId) { |
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
399 assert opIdToBlockMap.length > 0 && opId >= 0 && opId <= maxOpId() + 1 : "opId out of range"; |
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400 return opIdToBlockMap[opIdToIndex(opId)]; |
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401 } |
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parents:
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|
402 |
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parents:
diff
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403 boolean isBlockBegin(int opId) { |
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parents:
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404 return opId == 0 || blockForId(opId) != blockForId(opId - 1); |
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405 } |
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406 |
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parents:
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407 boolean coversBlockBegin(int opId1, int opId2) { |
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408 return blockForId(opId1) != blockForId(opId2); |
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parents:
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409 } |
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|
410 |
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parents:
diff
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|
411 /** |
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|
412 * Determines if an {@link LIRInstruction} destroys all caller saved registers. |
14871
667710021ea1
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Doug Simon <doug.simon@oracle.com>
parents:
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|
413 * |
3733
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414 * @param opId an instruction {@linkplain LIRInstruction#id id} |
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7512
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|
415 * @return {@code true} if the instruction denoted by {@code id} destroys all caller saved |
5e3d1a68664e
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parents:
7512
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|
416 * registers. |
3733
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|
417 */ |
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parents:
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|
418 boolean hasCall(int opId) { |
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parents:
diff
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|
419 assert isEven(opId) : "opId not even"; |
9454
85a836bcd796
renaming for improved clarity: hasCall -> destroysCallerSavedRegisters
Doug Simon <doug.simon@oracle.com>
parents:
9425
diff
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|
420 return instructionForId(opId).destroysCallerSavedRegisters(); |
3733
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parents:
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|
421 } |
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parents:
diff
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|
422 |
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parents:
diff
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|
423 /** |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
424 * Eliminates moves from register to stack if the stack slot is known to be correct. |
e233f5660da4
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parents:
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|
425 */ |
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parents:
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|
426 void changeSpillDefinitionPos(Interval interval, int defPos) { |
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parents:
diff
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|
427 assert interval.isSplitParent() : "can only be called for split parents"; |
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parents:
diff
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|
428 |
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parents:
diff
changeset
|
429 switch (interval.spillState()) { |
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parents:
diff
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|
430 case NoDefinitionFound: |
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parents:
diff
changeset
|
431 assert interval.spillDefinitionPos() == -1 : "must no be set before"; |
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parents:
diff
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|
432 interval.setSpillDefinitionPos(defPos); |
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diff
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|
433 interval.setSpillState(SpillState.NoSpillStore); |
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parents:
diff
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|
434 break; |
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parents:
diff
changeset
|
435 |
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parents:
diff
changeset
|
436 case NoSpillStore: |
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parents:
diff
changeset
|
437 assert defPos <= interval.spillDefinitionPos() : "positions are processed in reverse order when intervals are created"; |
6462 | 438 if (defPos < interval.spillDefinitionPos() - 2) { |
3733
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parents:
diff
changeset
|
439 // second definition found, so no spill optimization possible for this interval |
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parents:
diff
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|
440 interval.setSpillState(SpillState.NoOptimization); |
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parents:
diff
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|
441 } else { |
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parents:
diff
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|
442 // two consecutive definitions (because of two-operand LIR form) |
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parents:
diff
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|
443 assert blockForId(defPos) == blockForId(interval.spillDefinitionPos()) : "block must be equal"; |
e233f5660da4
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parents:
diff
changeset
|
444 } |
e233f5660da4
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parents:
diff
changeset
|
445 break; |
e233f5660da4
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parents:
diff
changeset
|
446 |
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parents:
diff
changeset
|
447 case NoOptimization: |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
448 // nothing to do |
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parents:
diff
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|
449 break; |
e233f5660da4
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parents:
diff
changeset
|
450 |
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parents:
diff
changeset
|
451 default: |
5547
b6617d13ea44
Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5542
diff
changeset
|
452 throw new BailoutException("other states not allowed at this time"); |
3733
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|
453 } |
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parents:
diff
changeset
|
454 } |
e233f5660da4
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parents:
diff
changeset
|
455 |
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parents:
diff
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|
456 // called during register allocation |
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parents:
diff
changeset
|
457 void changeSpillState(Interval interval, int spillPos) { |
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parents:
diff
changeset
|
458 switch (interval.spillState()) { |
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parents:
diff
changeset
|
459 case NoSpillStore: { |
4435
57cb8ec5f6bb
Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4394
diff
changeset
|
460 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
|
461 int spillLoopDepth = blockForId(spillPos).getLoopDepth(); |
3733
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parents:
diff
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|
462 |
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parents:
diff
changeset
|
463 if (defLoopDepth < spillLoopDepth) { |
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parents:
diff
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|
464 // 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
changeset
|
465 // at the definition of the interval . move write to memory out of loop. |
16362
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
466 if (Options.LSRAOptimizeSpillPosition.getValue()) { |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
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|
467 // find best spill position in dominator the tree |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
468 interval.setSpillState(SpillState.SpillInDominator); |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
469 } else { |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
470 // store at definition of the interval |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
471 interval.setSpillState(SpillState.StoreAtDefinition); |
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472 } |
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473 } else { |
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474 // the interval is currently spilled only once, so for now there is no |
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475 // reason to store the interval at the definition |
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476 interval.setSpillState(SpillState.OneSpillStore); |
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|
477 } |
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478 break; |
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|
479 } |
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480 |
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481 case OneSpillStore: { |
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482 if (Options.LSRAOptimizeSpillPosition.getValue()) { |
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483 // the interval is spilled more then once |
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484 interval.setSpillState(SpillState.SpillInDominator); |
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485 } else { |
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486 // it is better to store it to |
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487 // memory at the definition |
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488 interval.setSpillState(SpillState.StoreAtDefinition); |
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489 } |
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490 break; |
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491 } |
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492 |
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493 case SpillInDominator: |
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494 case StoreAtDefinition: |
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495 case StartInMemory: |
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496 case NoOptimization: |
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497 case NoDefinitionFound: |
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498 // nothing to do |
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499 break; |
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|
500 |
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501 default: |
5547
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Dropping Ci* prefixes. Some additional renamings in the api.code interface.
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502 throw new BailoutException("other states not allowed at this time"); |
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503 } |
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|
504 } |
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|
505 |
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506 abstract static class IntervalPredicate { |
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507 |
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508 abstract boolean apply(Interval i); |
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509 } |
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|
510 |
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511 private static final IntervalPredicate mustStoreAtDefinition = new IntervalPredicate() { |
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|
512 |
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513 @Override |
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514 public boolean apply(Interval i) { |
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515 return i.isSplitParent() && i.spillState() == SpillState.StoreAtDefinition; |
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|
516 } |
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|
517 }; |
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|
518 |
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|
519 // called once before assignment of register numbers |
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520 void eliminateSpillMoves() { |
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521 try (Indent indent = Debug.logAndIndent("Eliminating unnecessary spill moves")) { |
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522 |
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523 // collect all intervals that must be stored after their definition. |
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524 // the list is sorted by Interval.spillDefinitionPos |
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|
525 Interval interval; |
16379
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526 interval = createUnhandledLists(mustStoreAtDefinition, null).first; |
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|
527 if (DetailedAsserts.getValue()) { |
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|
528 checkIntervals(interval); |
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|
529 } |
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|
530 |
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|
531 LIRInsertionBuffer insertionBuffer = new LIRInsertionBuffer(); |
19560
4d70d150944f
Remove AbstractBlock interface.
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|
532 for (AbstractBlockBase<?> block : sortedBlocks) { |
14871
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|
533 List<LIRInstruction> instructions = ir.getLIRforBlock(block); |
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|
534 int numInst = instructions.size(); |
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|
535 |
16379
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|
536 // iterate all instructions of the block. skip the first |
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changeset
|
537 // because it is always a label |
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|
538 for (int j = 1; j < numInst; j++) { |
14871
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changeset
|
539 LIRInstruction op = instructions.get(j); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
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diff
changeset
|
540 int opId = op.id(); |
3733
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parents:
diff
changeset
|
541 |
14871
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diff
changeset
|
542 if (opId == -1) { |
667710021ea1
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parents:
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diff
changeset
|
543 MoveOp move = (MoveOp) op; |
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
|
544 // remove move from register to stack if the stack slot is guaranteed to be |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
545 // correct. |
667710021ea1
removed methods in Indent that are redundant with those in Debug
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parents:
14841
diff
changeset
|
546 // only moves that have been inserted by LinearScan can be removed. |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
547 assert isVariable(move.getResult()) : "LinearScan inserts only moves to variables"; |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
548 |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
549 Interval curInterval = intervalFor(move.getResult()); |
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
550 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
551 if (!isRegister(curInterval.location()) && curInterval.alwaysInMemory()) { |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
552 // move target is a stack slot that is always correct, so eliminate |
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
|
553 // instruction |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
554 if (Debug.isLogEnabled()) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
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diff
changeset
|
555 Debug.log("eliminating move from interval %d to %d", operandNumber(move.getInput()), operandNumber(move.getResult())); |
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
|
556 } |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
557 // null-instructions are deleted by assignRegNum |
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
|
558 instructions.set(j, null); |
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 } |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
560 |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
561 } else { |
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
|
562 // insert move from register to stack just after |
667710021ea1
removed methods in Indent that are redundant with those in Debug
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parents:
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diff
changeset
|
563 // the beginning of the 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
|
564 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
|
565 assert interval == Interval.EndMarker || (interval.isSplitParent() && interval.spillState() == SpillState.StoreAtDefinition) : "invalid interval"; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
566 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
567 while (interval != Interval.EndMarker && interval.spillDefinitionPos() == opId) { |
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
|
568 if (!interval.canMaterialize()) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
569 if (!insertionBuffer.initialized()) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
570 // prepare insertion buffer (appended when all instructions in |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
571 // the block are processed) |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
572 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
|
573 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
574 |
16379
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LSRA spill optimization: backout changesets obsoleted by eager spill move placement.
Josef Eisl <josef.eisl@jku.at>
parents:
16378
diff
changeset
|
575 AllocatableValue fromLocation = interval.location(); |
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
|
576 AllocatableValue toLocation = canonicalSpillOpr(interval); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
577 |
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
|
578 assert isRegister(fromLocation) : "from operand must be a register but is: " + fromLocation + " toLocation=" + toLocation + " spillState=" + interval.spillState(); |
18436
59e65d3aa2fc
Use StackSlotValue where appropriate.
Josef Eisl <josef.eisl@jku.at>
parents:
18425
diff
changeset
|
579 assert isStackSlotValue(toLocation) : "to operand must be a stack slot"; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
580 |
19549
1cf73c50e3dc
Move SpillMoveFactory from LIR to LIRGeneratorTool.
Josef Eisl <josef.eisl@jku.at>
parents:
19212
diff
changeset
|
581 insertionBuffer.append(j + 1, getSpillMoveFactory().createMove(toLocation, fromLocation)); |
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
|
582 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
583 Debug.log("inserting move after definition of interval %d to stack slot %s at opId %d", interval.operandNumber, interval.spillSlot(), opId); |
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
|
584 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
585 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
|
586 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
587 } |
14871
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Doug Simon <doug.simon@oracle.com>
parents:
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|
588 } // end of instruction iteration |
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parents:
diff
changeset
|
589 |
14871
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Doug Simon <doug.simon@oracle.com>
parents:
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changeset
|
590 if (insertionBuffer.initialized()) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
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parents:
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changeset
|
591 insertionBuffer.finish(); |
3733
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parents:
diff
changeset
|
592 } |
14871
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parents:
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|
593 } // end of block iteration |
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parents:
diff
changeset
|
594 |
14871
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Doug Simon <doug.simon@oracle.com>
parents:
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changeset
|
595 assert interval == Interval.EndMarker : "missed an interval"; |
667710021ea1
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Doug Simon <doug.simon@oracle.com>
parents:
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changeset
|
596 } |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
597 } |
e233f5660da4
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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:
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changeset
|
599 private static void checkIntervals(Interval interval) { |
3733
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parents:
diff
changeset
|
600 Interval prev = null; |
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parents:
diff
changeset
|
601 Interval temp = interval; |
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parents:
diff
changeset
|
602 while (temp != Interval.EndMarker) { |
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parents:
diff
changeset
|
603 assert temp.spillDefinitionPos() > 0 : "invalid spill definition pos"; |
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parents:
diff
changeset
|
604 if (prev != null) { |
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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changeset
|
605 assert temp.from() >= prev.from() : "intervals not sorted"; |
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parents:
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changeset
|
606 assert temp.spillDefinitionPos() >= prev.spillDefinitionPos() : "when intervals are sorted by from : then they must also be sorted by spillDefinitionPos"; |
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parents:
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|
607 } |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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changeset
|
608 |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
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changeset
|
609 assert temp.spillSlot() != null || temp.canMaterialize() : "interval has no spill slot assigned"; |
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parents:
diff
changeset
|
610 assert temp.spillDefinitionPos() >= temp.from() : "invalid order"; |
16379
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LSRA spill optimization: backout changesets obsoleted by eager spill move placement.
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parents:
16378
diff
changeset
|
611 assert temp.spillDefinitionPos() <= temp.from() + 2 : "only intervals defined once at their start-pos can be optimized"; |
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
612 |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
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diff
changeset
|
613 Debug.log("interval %d (from %d to %d) must be stored at %d", temp.operandNumber, temp.from(), temp.to(), temp.spillDefinitionPos()); |
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parents:
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changeset
|
614 |
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parents:
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changeset
|
615 prev = temp; |
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parents:
diff
changeset
|
616 temp = temp.next; |
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parents:
diff
changeset
|
617 } |
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parents:
diff
changeset
|
618 } |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
619 |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
620 /** |
7530
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parents:
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|
621 * Numbers all instructions in all blocks. The numbering follows the |
5e3d1a68664e
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|
622 * {@linkplain ComputeBlockOrder linear scan order}. |
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parents:
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|
623 */ |
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parents:
diff
changeset
|
624 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
|
625 |
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
|
626 intervalsSize = operandSize(); |
15885
4d18c6bb6b3a
LinearScan: Improve initialization and resizing of intervals array.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15884
diff
changeset
|
627 intervals = new Interval[intervalsSize + (intervalsSize >> SPLIT_INTERVALS_CAPACITY_RIGHT_SHIFT)]; |
15884
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Clean up in LinearScan: Remove the need for a mapping of variable index to variable object.
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parents:
15850
diff
changeset
|
628 |
17294
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
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diff
changeset
|
629 ValueConsumer setVariableConsumer = (value, mode, flags) -> { |
6d85dfeb6981
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changeset
|
630 if (isVariable(value)) { |
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
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changeset
|
631 getOrCreateInterval(asVariable(value)); |
4206
430b5db3e6f8
Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
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diff
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|
632 } |
430b5db3e6f8
Remove CiVariable from the CRI
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diff
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|
633 }; |
430b5db3e6f8
Remove CiVariable from the CRI
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parents:
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diff
changeset
|
634 |
3733
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parents:
diff
changeset
|
635 // Assign IDs to LIR nodes and build a mapping, lirOps, from ID to LIRInstruction node. |
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diff
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|
636 int numInstructions = 0; |
19560
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Remove AbstractBlock interface.
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|
637 for (AbstractBlockBase<?> block : sortedBlocks) { |
14806
a8723f1ff542
LIR renamed setter and getter functions.
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parents:
14789
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|
638 numInstructions += ir.getLIRforBlock(block).size(); |
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|
639 } |
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parents:
diff
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|
640 |
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parents:
diff
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|
641 // initialize with correct length |
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parents:
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|
642 opIdToInstructionMap = new LIRInstruction[numInstructions]; |
19560
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|
643 opIdToBlockMap = new AbstractBlockBase<?>[numInstructions]; |
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diff
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|
644 |
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|
645 int opId = 0; |
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|
646 int index = 0; |
19560
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|
647 for (AbstractBlockBase<?> block : sortedBlocks) { |
4435
57cb8ec5f6bb
Restructure block and control flow graph data structures
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parents:
4394
diff
changeset
|
648 blockData.put(block, new BlockData()); |
57cb8ec5f6bb
Restructure block and control flow graph data structures
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4394
diff
changeset
|
649 |
14806
a8723f1ff542
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changeset
|
650 List<LIRInstruction> instructions = ir.getLIRforBlock(block); |
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|
651 |
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|
652 int numInst = instructions.size(); |
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|
653 for (int j = 0; j < numInst; j++) { |
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parents:
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|
654 LIRInstruction op = instructions.get(j); |
e233f5660da4
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parents:
diff
changeset
|
655 op.setId(opId); |
e233f5660da4
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parents:
diff
changeset
|
656 |
e233f5660da4
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parents:
diff
changeset
|
657 opIdToInstructionMap[index] = op; |
e233f5660da4
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parents:
diff
changeset
|
658 opIdToBlockMap[index] = block; |
e233f5660da4
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parents:
diff
changeset
|
659 assert instructionForId(opId) == op : "must match"; |
e233f5660da4
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parents:
diff
changeset
|
660 |
16801
067dbd8e7114
Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents:
16796
diff
changeset
|
661 op.visitEachTemp(setVariableConsumer); |
067dbd8e7114
Use ValueConsumer in LinearScan where possible.
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parents:
16796
diff
changeset
|
662 op.visitEachOutput(setVariableConsumer); |
4206
430b5db3e6f8
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parents:
4199
diff
changeset
|
663 |
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parents:
diff
changeset
|
664 index++; |
e233f5660da4
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parents:
diff
changeset
|
665 opId += 2; // numbering of lirOps by two |
e233f5660da4
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parents:
diff
changeset
|
666 } |
e233f5660da4
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parents:
diff
changeset
|
667 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
668 assert index == numInstructions : "must match"; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
669 assert (index << 1) == opId : "must match: " + (index << 1); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
670 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
671 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
672 /** |
7530
5e3d1a68664e
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parents:
7512
diff
changeset
|
673 * 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
|
674 * separately for each block. |
3733
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parents:
diff
changeset
|
675 */ |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
676 void computeLocalLiveSets() { |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
677 int liveSize = liveSetSize(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
678 |
4245
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
679 intervalInLoop = new BitMap2D(operandSize(), numLoops()); |
3733
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parents:
diff
changeset
|
680 |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
681 // iterate all blocks |
19560
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19212
diff
changeset
|
682 for (final AbstractBlockBase<?> block : sortedBlocks) { |
14871
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removed methods in Indent that are redundant with those in Debug
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14841
diff
changeset
|
683 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
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parents:
14841
diff
changeset
|
684 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
685 final BitSet liveGen = new BitSet(liveSize); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
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parents:
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diff
changeset
|
686 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
|
687 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
688 List<LIRInstruction> instructions = ir.getLIRforBlock(block); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
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parents:
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diff
changeset
|
689 int numInst = instructions.size(); |
3733
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Added Java files from Maxine project.
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parents:
diff
changeset
|
690 |
17294
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
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parents:
17293
diff
changeset
|
691 ValueConsumer useConsumer = (operand, mode, flags) -> { |
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
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parents:
17293
diff
changeset
|
692 if (isVariable(operand)) { |
15887
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
693 int operandNum = operandNumber(operand); |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
694 if (!liveKill.get(operandNum)) { |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
695 liveGen.set(operandNum); |
17294
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
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parents:
17293
diff
changeset
|
696 Debug.log("liveGen for operand %d", operandNum); |
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
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parents:
17293
diff
changeset
|
697 } |
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
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parents:
17293
diff
changeset
|
698 if (block.getLoop() != null) { |
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
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parents:
17293
diff
changeset
|
699 intervalInLoop.setBit(operandNum, block.getLoop().getIndex()); |
15887
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
700 } |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
701 } |
17294
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17293
diff
changeset
|
702 |
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
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parents:
17293
diff
changeset
|
703 if (DetailedAsserts.getValue()) { |
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17293
diff
changeset
|
704 verifyInput(block, liveKill, operand); |
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17293
diff
changeset
|
705 } |
15887
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
706 }; |
17294
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17293
diff
changeset
|
707 ValueConsumer stateConsumer = (operand, mode, flags) -> { |
18441
d11ce424f09d
Allow updating HotSpotMonitorValue.slot.
Josef Eisl <josef.eisl@jku.at>
parents:
18439
diff
changeset
|
708 if (isVariableOrRegister(operand)) { |
d11ce424f09d
Allow updating HotSpotMonitorValue.slot.
Josef Eisl <josef.eisl@jku.at>
parents:
18439
diff
changeset
|
709 int operandNum = operandNumber(operand); |
d11ce424f09d
Allow updating HotSpotMonitorValue.slot.
Josef Eisl <josef.eisl@jku.at>
parents:
18439
diff
changeset
|
710 if (!liveKill.get(operandNum)) { |
d11ce424f09d
Allow updating HotSpotMonitorValue.slot.
Josef Eisl <josef.eisl@jku.at>
parents:
18439
diff
changeset
|
711 liveGen.set(operandNum); |
d11ce424f09d
Allow updating HotSpotMonitorValue.slot.
Josef Eisl <josef.eisl@jku.at>
parents:
18439
diff
changeset
|
712 Debug.log("liveGen in state for operand %d", operandNum); |
d11ce424f09d
Allow updating HotSpotMonitorValue.slot.
Josef Eisl <josef.eisl@jku.at>
parents:
18439
diff
changeset
|
713 } |
17294
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17293
diff
changeset
|
714 } |
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17293
diff
changeset
|
715 }; |
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17293
diff
changeset
|
716 ValueConsumer defConsumer = (operand, mode, flags) -> { |
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17293
diff
changeset
|
717 if (isVariable(operand)) { |
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17293
diff
changeset
|
718 int varNum = operandNumber(operand); |
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17293
diff
changeset
|
719 liveKill.set(varNum); |
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17293
diff
changeset
|
720 Debug.log("liveKill for operand %d", varNum); |
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17293
diff
changeset
|
721 if (block.getLoop() != null) { |
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17293
diff
changeset
|
722 intervalInLoop.setBit(varNum, block.getLoop().getIndex()); |
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17293
diff
changeset
|
723 } |
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17293
diff
changeset
|
724 } |
15887
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
725 |
17294
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17293
diff
changeset
|
726 if (DetailedAsserts.getValue()) { |
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17293
diff
changeset
|
727 // fixed intervals are never live at block boundaries, so |
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17293
diff
changeset
|
728 // they need not be processed in live sets |
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17293
diff
changeset
|
729 // process them only in debug mode so that this can be checked |
6d85dfeb6981
LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17293
diff
changeset
|
730 verifyTemp(liveKill, operand); |
15887
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
731 } |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
732 }; |
839ea165f816
LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15886
diff
changeset
|
733 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
734 // 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
|
735 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
|
736 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
|
737 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
738 try (Indent indent2 = Debug.logAndIndent("handle op %d", op.id())) { |
16801
067dbd8e7114
Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents:
16796
diff
changeset
|
739 op.visitEachInput(useConsumer); |
067dbd8e7114
Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents:
16796
diff
changeset
|
740 op.visitEachAlive(useConsumer); |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
741 // 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
|
742 // information generation |
16801
067dbd8e7114
Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents:
16796
diff
changeset
|
743 op.visitEachState(stateConsumer); |
067dbd8e7114
Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents:
16796
diff
changeset
|
744 op.visitEachTemp(defConsumer); |
067dbd8e7114
Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents:
16796
diff
changeset
|
745 op.visitEachOutput(defConsumer); |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
746 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
747 } // end of instruction iteration |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
748 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
749 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
|
750 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
|
751 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
|
752 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
|
753 blockSets.liveOut = new BitSet(liveSize); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
754 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
755 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
|
756 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
|
757 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
758 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
759 } // end of block iteration |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
760 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
761 |
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
|
762 private void verifyTemp(BitSet liveKill, Value operand) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
763 // 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
|
764 // they need not be processed in live sets |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
765 // 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
|
766 if (isRegister(operand)) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
767 if (isProcessed(operand)) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
768 liveKill.set(operandNumber(operand)); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
769 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
770 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
771 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
772 |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
773 private void verifyInput(AbstractBlockBase<?> block, BitSet liveKill, Value operand) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
774 // 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
|
775 // they need not be processed in live sets. |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
776 // 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
|
777 // the entry block may have incoming |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
778 // values in registers, which is ok. |
14145
4ff08c0366ae
Encapsulate LIR class fields.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
14142
diff
changeset
|
779 if (isRegister(operand) && block != ir.getControlFlowGraph().getStartBlock()) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
780 if (isProcessed(operand)) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
781 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
|
782 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
783 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
784 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
785 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
786 /** |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7512
diff
changeset
|
787 * 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
|
788 * {@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
|
789 */ |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
790 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
|
791 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
|
792 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
|
793 boolean changeOccurred; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
794 boolean changeOccurredInBlock; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
795 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
|
796 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
|
797 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
798 // 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
|
799 // 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
|
800 do { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
801 changeOccurred = false; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
802 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
803 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
|
804 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
805 // 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
|
806 for (int i = numBlocks - 1; i >= 0; i--) { |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
807 AbstractBlockBase<?> block = blockAt(i); |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
808 BlockData blockSets = blockData.get(block); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
809 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
810 changeOccurredInBlock = false; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
811 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
812 // 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
|
813 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
|
814 if (n > 0) { |
15850
9ce2ca72efef
small cleanup in LinearScan
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15534
diff
changeset
|
815 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
|
816 // 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
|
817 if (n > 0) { |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
818 for (AbstractBlockBase<?> successor : block.getSuccessors()) { |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
819 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
|
820 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
821 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
822 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
823 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
|
824 // 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:
14841
diff
changeset
|
825 // sets to avoid copying. |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
826 BitSet temp = blockSets.liveOut; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
827 blockSets.liveOut = liveOut; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
828 liveOut = temp; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
829 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
830 changeOccurred = true; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
831 changeOccurredInBlock = true; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
832 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
833 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
834 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
835 if (iterationCount == 0 || changeOccurredInBlock) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
836 // liveIn(block) is the union of liveGen(block) with (liveOut(block) & |
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
|
837 // !liveKill(block)) |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
838 // note: liveIn has to be computed only in first iteration |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
839 // or if liveOut has changed! |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
840 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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diff
changeset
|
841 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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diff
changeset
|
842 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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diff
changeset
|
843 liveIn.andNot(blockSets.liveKill); |
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 liveIn.or(blockSets.liveGen); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
845 |
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
|
846 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
|
847 } |
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
|
848 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
849 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
|
850 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
851 if (changeOccurred && iterationCount > 50) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
852 throw new BailoutException("too many iterations in computeGlobalLiveSets"); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
853 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
854 } |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
855 } while (changeOccurred); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
856 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
857 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
|
858 verifyLiveness(); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
859 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
860 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
861 // check that the liveIn set of the first block is empty |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
862 AbstractBlockBase<?> startBlock = ir.getControlFlowGraph().getStartBlock(); |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
863 if (blockData.get(startBlock).liveIn.cardinality() != 0) { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
864 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
|
865 reportFailure(numBlocks); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
866 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
867 // 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:
14841
diff
changeset
|
868 throw new GraalInternalError("liveIn set of first block must be empty: " + blockData.get(startBlock).liveIn); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
869 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
870 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
871 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
872 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
873 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
|
874 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:
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diff
changeset
|
875 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
|
876 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
877 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
|
878 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
|
879 for (int operandNum = startBlockLiveIn.nextSetBit(0); operandNum >= 0; operandNum = startBlockLiveIn.nextSetBit(operandNum + 1)) { |
17070
6e45ae59781c
Let linear scan DetailedAsserts deal with missing intervals
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
16801
diff
changeset
|
880 Interval interval = intervalFor(operandNum); |
6e45ae59781c
Let linear scan DetailedAsserts deal with missing intervals
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
16801
diff
changeset
|
881 if (interval != null) { |
6e45ae59781c
Let linear scan DetailedAsserts deal with missing intervals
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
16801
diff
changeset
|
882 Value operand = interval.operand; |
19164
b215b88e215f
Introduce LIRGenerationDebugContext.
Josef Eisl <josef.eisl@jku.at>
parents:
19163
diff
changeset
|
883 Debug.log("var %d; operand=%s; node=%s", operandNum, operand, getSourceForOperandFromDebugContext(operand)); |
17070
6e45ae59781c
Let linear scan DetailedAsserts deal with missing intervals
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
16801
diff
changeset
|
884 } else { |
6e45ae59781c
Let linear scan DetailedAsserts deal with missing intervals
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
16801
diff
changeset
|
885 Debug.log("var %d; missing operand", operandNum); |
6e45ae59781c
Let linear scan DetailedAsserts deal with missing intervals
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
16801
diff
changeset
|
886 } |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
887 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
888 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
889 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
890 // 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
|
891 for (int operandNum = startBlockLiveIn.nextSetBit(0); operandNum >= 0; operandNum = startBlockLiveIn.nextSetBit(operandNum + 1)) { |
17070
6e45ae59781c
Let linear scan DetailedAsserts deal with missing intervals
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
16801
diff
changeset
|
892 Interval interval = intervalFor(operandNum); |
6e45ae59781c
Let linear scan DetailedAsserts deal with missing intervals
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
16801
diff
changeset
|
893 Value operand = null; |
19164
b215b88e215f
Introduce LIRGenerationDebugContext.
Josef Eisl <josef.eisl@jku.at>
parents:
19163
diff
changeset
|
894 Object valueForOperandFromDebugContext = null; |
17070
6e45ae59781c
Let linear scan DetailedAsserts deal with missing intervals
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
16801
diff
changeset
|
895 if (interval != null) { |
6e45ae59781c
Let linear scan DetailedAsserts deal with missing intervals
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
16801
diff
changeset
|
896 operand = interval.operand; |
19164
b215b88e215f
Introduce LIRGenerationDebugContext.
Josef Eisl <josef.eisl@jku.at>
parents:
19163
diff
changeset
|
897 valueForOperandFromDebugContext = getSourceForOperandFromDebugContext(operand); |
17070
6e45ae59781c
Let linear scan DetailedAsserts deal with missing intervals
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
16801
diff
changeset
|
898 } |
6e45ae59781c
Let linear scan DetailedAsserts deal with missing intervals
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
16801
diff
changeset
|
899 try (Indent indent2 = Debug.logAndIndent("---- Detailed information for var %d; operand=%s; node=%s ----", operandNum, operand, valueForOperandFromDebugContext)) { |
14109
85969b1aba78
Use a forceLog scope for LinearScan.reportFailure. Remove @SuppressWarnings on DebugScope.scope
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
14070
diff
changeset
|
900 |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
901 Deque<AbstractBlockBase<?>> definedIn = new ArrayDeque<>(); |
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
902 HashSet<AbstractBlockBase<?>> usedIn = new HashSet<>(); |
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
903 for (AbstractBlockBase<?> 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
|
904 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
|
905 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
|
906 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
|
907 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
|
908 try (Indent indent4 = Debug.logAndIndent("%d: %s", ins.id(), ins)) { |
17292
4c31d6e44c18
LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17291
diff
changeset
|
909 ins.forEachState((liveStateOperand, mode, flags) -> { |
4c31d6e44c18
LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17291
diff
changeset
|
910 Debug.log("operand=%s", liveStateOperand); |
4c31d6e44c18
LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17291
diff
changeset
|
911 return liveStateOperand; |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
912 }); |
14109
85969b1aba78
Use a forceLog scope for LinearScan.reportFailure. Remove @SuppressWarnings on DebugScope.scope
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
14070
diff
changeset
|
913 } |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
914 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
915 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
916 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
917 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
|
918 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
|
919 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
|
920 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
|
921 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
|
922 } |
14109
85969b1aba78
Use a forceLog scope for LinearScan.reportFailure. Remove @SuppressWarnings on DebugScope.scope
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
14070
diff
changeset
|
923 } |
85969b1aba78
Use a forceLog scope for LinearScan.reportFailure. Remove @SuppressWarnings on DebugScope.scope
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
14070
diff
changeset
|
924 } |
85969b1aba78
Use a forceLog scope for LinearScan.reportFailure. Remove @SuppressWarnings on DebugScope.scope
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
14070
diff
changeset
|
925 } |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
926 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
927 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
|
928 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
929 while (!definedIn.isEmpty()) { |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
930 AbstractBlockBase<?> block = definedIn.removeFirst(); |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
931 usedIn.remove(block); |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
932 for (AbstractBlockBase<?> successor : block.getSuccessors()) { |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
933 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
|
934 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
|
935 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
|
936 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
937 } else { |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
938 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
|
939 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
|
940 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
941 } |
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 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
944 try (Indent indent3 = Debug.logAndIndent("**** offending usages are in: ")) { |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
945 for (AbstractBlockBase<?> block : usedIn) { |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
946 Debug.log("B%d", block.getId()); |
12569
1c8d5a0891b5
improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents:
11537
diff
changeset
|
947 } |
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
|
948 } |
12569
1c8d5a0891b5
improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents:
11537
diff
changeset
|
949 } |
1c8d5a0891b5
improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents:
11537
diff
changeset
|
950 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
951 } |
17211
1ac6b4879443
Enforce catch-blocks for Debug.Scopes with context objects.
Josef Eisl <josef.eisl@jku.at>
parents:
17195
diff
changeset
|
952 } catch (Throwable e) { |
1ac6b4879443
Enforce catch-blocks for Debug.Scopes with context objects.
Josef Eisl <josef.eisl@jku.at>
parents:
17195
diff
changeset
|
953 throw Debug.handle(e); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
954 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
955 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
956 |
7501
799dd373fcb6
Remove caching of sorted blocks in LSRA.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
7499
diff
changeset
|
957 private void verifyLiveness() { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
958 // 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
|
959 // (live set must be empty at fixed intervals) |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
960 for (AbstractBlockBase<?> block : sortedBlocks) { |
4206
430b5db3e6f8
Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4199
diff
changeset
|
961 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
|
962 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
|
963 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
|
964 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
|
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 |
16094
c0b8d395368b
Introduce LIRKind to accurately track oop references in backend.
Roland Schatz <roland.schatz@oracle.com>
parents:
15927
diff
changeset
|
969 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
|
970 if (!isProcessed(operand)) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
971 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
972 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
973 |
8220
2c5df42999dd
Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents:
7648
diff
changeset
|
974 Interval interval = getOrCreateInterval(operand); |
16118
5cbaad0b7387
Verify usage of equals method in LIRKind.
Roland Schatz <roland.schatz@oracle.com>
parents:
16094
diff
changeset
|
975 if (!kind.equals(LIRKind.Illegal)) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
976 interval.setKind(kind); |
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 |
4206
430b5db3e6f8
Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4199
diff
changeset
|
979 interval.addRange(from, to); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
980 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
981 // Register use position at even instruction id. |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
982 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
|
983 |
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
984 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
|
985 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
986 |
16094
c0b8d395368b
Introduce LIRKind to accurately track oop references in backend.
Roland Schatz <roland.schatz@oracle.com>
parents:
15927
diff
changeset
|
987 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
|
988 if (!isProcessed(operand)) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
989 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
990 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
991 |
8220
2c5df42999dd
Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents:
7648
diff
changeset
|
992 Interval interval = getOrCreateInterval(operand); |
16118
5cbaad0b7387
Verify usage of equals method in LIRKind.
Roland Schatz <roland.schatz@oracle.com>
parents:
16094
diff
changeset
|
993 if (!kind.equals(LIRKind.Illegal)) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
994 interval.setKind(kind); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
995 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
996 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
997 interval.addRange(tempPos, tempPos + 1); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
998 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
|
999 interval.addMaterializationValue(null); |
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1000 |
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1001 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
|
1002 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1003 |
5539
bc647d8b0080
Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5536
diff
changeset
|
1004 boolean isProcessed(Value operand) { |
5552
69a8969dbf40
Reduce public fields in api.code project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5547
diff
changeset
|
1005 return !isRegister(operand) || attributes(asRegister(operand)).isAllocatable(); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1006 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1007 |
16094
c0b8d395368b
Introduce LIRKind to accurately track oop references in backend.
Roland Schatz <roland.schatz@oracle.com>
parents:
15927
diff
changeset
|
1008 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
|
1009 if (!isProcessed(operand)) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1010 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1011 } |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1012 int defPos = op.id(); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1013 |
8220
2c5df42999dd
Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents:
7648
diff
changeset
|
1014 Interval interval = getOrCreateInterval(operand); |
16118
5cbaad0b7387
Verify usage of equals method in LIRKind.
Roland Schatz <roland.schatz@oracle.com>
parents:
16094
diff
changeset
|
1015 if (!kind.equals(LIRKind.Illegal)) { |
8220
2c5df42999dd
Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents:
7648
diff
changeset
|
1016 interval.setKind(kind); |
2c5df42999dd
Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents:
7648
diff
changeset
|
1017 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1018 |
8220
2c5df42999dd
Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents:
7648
diff
changeset
|
1019 Range r = interval.first(); |
2c5df42999dd
Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents:
7648
diff
changeset
|
1020 if (r.from <= defPos) { |
2c5df42999dd
Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents:
7648
diff
changeset
|
1021 // 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
|
1022 // 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
|
1023 r.from = defPos; |
2c5df42999dd
Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents:
7648
diff
changeset
|
1024 interval.addUsePos(defPos, registerPriority); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1025 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1026 } else { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1027 // Dead value - make vacuous interval |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1028 // also add register priority for dead intervals |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1029 interval.addRange(defPos, defPos + 1); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1030 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
|
1031 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
|
1032 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1033 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1034 changeSpillDefinitionPos(interval, defPos); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1035 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
|
1036 // detection of method-parameters and roundfp-results |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1037 interval.setSpillState(SpillState.StartInMemory); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1038 } |
14070
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
1039 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
|
1040 |
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1041 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
|
1042 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1043 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1044 /** |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1045 * 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
|
1046 */ |
4206
430b5db3e6f8
Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4199
diff
changeset
|
1047 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
|
1048 if (op instanceof MoveOp) { |
df5547057954
Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4265
diff
changeset
|
1049 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
|
1050 if (optimizeMethodArgument(move.getInput())) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1051 return RegisterPriority.None; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1052 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1053 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1054 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1055 // all other operands require a register |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1056 return RegisterPriority.MustHaveRegister; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1057 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1058 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1059 /** |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7512
diff
changeset
|
1060 * 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
|
1061 * register. |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1062 */ |
4245
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
1063 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
|
1064 if (flags.contains(OperandFlag.STACK)) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1065 return RegisterPriority.ShouldHaveRegister; |
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 |
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
|
1071 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
|
1072 /* |
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
|
1073 * 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
|
1074 * 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
|
1075 */ |
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
|
1076 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
|
1077 } |
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
|
1078 |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1079 /** |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7512
diff
changeset
|
1080 * 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
|
1081 * 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
|
1082 */ |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1083 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
|
1084 if (op instanceof MoveOp) { |
df5547057954
Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4265
diff
changeset
|
1085 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
|
1086 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
|
1087 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
|
1088 if (DetailedAsserts.getValue()) { |
4323
df5547057954
Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4265
diff
changeset
|
1089 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
|
1090 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
|
1091 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
|
1092 |
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
|
1093 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
|
1094 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1095 |
4323
df5547057954
Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4265
diff
changeset
|
1096 Interval interval = intervalFor(move.getResult()); |
4213
e4cfa571d8c4
Do not emit stack-to-stack moves.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4207
diff
changeset
|
1097 interval.setSpillSlot(slot); |
e4cfa571d8c4
Do not emit stack-to-stack moves.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4207
diff
changeset
|
1098 interval.assignLocation(slot); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1099 } |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1100 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1101 } |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1102 |
8220
2c5df42999dd
Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents:
7648
diff
changeset
|
1103 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
|
1104 if (flags.contains(OperandFlag.HINT) && isVariableOrRegister(targetValue)) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1105 |
17292
4c31d6e44c18
LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17291
diff
changeset
|
1106 op.forEachRegisterHint(targetValue, mode, (registerHint, valueMode, valueFlags) -> { |
4c31d6e44c18
LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17291
diff
changeset
|
1107 if (isVariableOrRegister(registerHint)) { |
4c31d6e44c18
LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17291
diff
changeset
|
1108 Interval from = getOrCreateInterval((AllocatableValue) registerHint); |
4c31d6e44c18
LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17291
diff
changeset
|
1109 Interval to = getOrCreateInterval((AllocatableValue) targetValue); |
8220
2c5df42999dd
Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents:
7648
diff
changeset
|
1110 |
17292
4c31d6e44c18
LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17291
diff
changeset
|
1111 /* hints always point from def to use */ |
4c31d6e44c18
LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17291
diff
changeset
|
1112 if (hintAtDef) { |
4c31d6e44c18
LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17291
diff
changeset
|
1113 to.setLocationHint(from); |
4c31d6e44c18
LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17291
diff
changeset
|
1114 } else { |
4c31d6e44c18
LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17291
diff
changeset
|
1115 from.setLocationHint(to); |
4c31d6e44c18
LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17291
diff
changeset
|
1116 } |
4c31d6e44c18
LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17291
diff
changeset
|
1117 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
|
1118 |
17292
4c31d6e44c18
LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17291
diff
changeset
|
1119 return registerHint; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1120 } |
17292
4c31d6e44c18
LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17291
diff
changeset
|
1121 return null; |
4245
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
1122 }); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1123 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1124 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1125 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1126 void buildIntervals() { |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1127 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1128 try (Indent indent = Debug.logAndIndent("build intervals")) { |
17293
6855e4c325d0
LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17292
diff
changeset
|
1129 InstructionValueConsumer outputConsumer = (op, operand, mode, flags) -> { |
6855e4c325d0
LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17292
diff
changeset
|
1130 if (isVariableOrRegister(operand)) { |
6855e4c325d0
LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17292
diff
changeset
|
1131 addDef((AllocatableValue) operand, op, registerPriorityOfOutputOperand(op), operand.getLIRKind()); |
6855e4c325d0
LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17292
diff
changeset
|
1132 addRegisterHint(op, operand, mode, flags, true); |
16138
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1133 } |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1134 }; |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1135 |
17293
6855e4c325d0
LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17292
diff
changeset
|
1136 InstructionValueConsumer tempConsumer = (op, operand, mode, flags) -> { |
6855e4c325d0
LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17292
diff
changeset
|
1137 if (isVariableOrRegister(operand)) { |
6855e4c325d0
LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17292
diff
changeset
|
1138 addTemp((AllocatableValue) operand, op.id(), RegisterPriority.MustHaveRegister, operand.getLIRKind()); |
6855e4c325d0
LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17292
diff
changeset
|
1139 addRegisterHint(op, operand, mode, flags, false); |
16138
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1140 } |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1141 }; |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1142 |
17293
6855e4c325d0
LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17292
diff
changeset
|
1143 InstructionValueConsumer aliveConsumer = (op, operand, mode, flags) -> { |
6855e4c325d0
LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17292
diff
changeset
|
1144 if (isVariableOrRegister(operand)) { |
6855e4c325d0
LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17292
diff
changeset
|
1145 RegisterPriority p = registerPriorityOfInputOperand(flags); |
6855e4c325d0
LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17292
diff
changeset
|
1146 int opId = op.id(); |
6855e4c325d0
LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17292
diff
changeset
|
1147 int blockFrom = getFirstLirInstructionId((blockForId(opId))); |
6855e4c325d0
LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17292
diff
changeset
|
1148 addUse((AllocatableValue) operand, blockFrom, opId + 1, p, operand.getLIRKind()); |
6855e4c325d0
LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17292
diff
changeset
|
1149 addRegisterHint(op, operand, mode, flags, false); |
16138
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1150 } |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1151 }; |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1152 |
17293
6855e4c325d0
LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17292
diff
changeset
|
1153 InstructionValueConsumer inputConsumer = (op, operand, mode, flags) -> { |
6855e4c325d0
LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17292
diff
changeset
|
1154 if (isVariableOrRegister(operand)) { |
6855e4c325d0
LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17292
diff
changeset
|
1155 int opId = op.id(); |
6855e4c325d0
LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17292
diff
changeset
|
1156 int blockFrom = getFirstLirInstructionId((blockForId(opId))); |
6855e4c325d0
LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17292
diff
changeset
|
1157 RegisterPriority p = registerPriorityOfInputOperand(flags); |
6855e4c325d0
LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17292
diff
changeset
|
1158 addUse((AllocatableValue) operand, blockFrom, opId, p, operand.getLIRKind()); |
6855e4c325d0
LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17292
diff
changeset
|
1159 addRegisterHint(op, operand, mode, flags, false); |
16138
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1160 } |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1161 }; |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1162 |
17293
6855e4c325d0
LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17292
diff
changeset
|
1163 InstructionValueConsumer stateProc = (op, operand, mode, flags) -> { |
18441
d11ce424f09d
Allow updating HotSpotMonitorValue.slot.
Josef Eisl <josef.eisl@jku.at>
parents:
18439
diff
changeset
|
1164 if (isVariableOrRegister(operand)) { |
d11ce424f09d
Allow updating HotSpotMonitorValue.slot.
Josef Eisl <josef.eisl@jku.at>
parents:
18439
diff
changeset
|
1165 int opId = op.id(); |
d11ce424f09d
Allow updating HotSpotMonitorValue.slot.
Josef Eisl <josef.eisl@jku.at>
parents:
18439
diff
changeset
|
1166 int blockFrom = getFirstLirInstructionId((blockForId(opId))); |
d11ce424f09d
Allow updating HotSpotMonitorValue.slot.
Josef Eisl <josef.eisl@jku.at>
parents:
18439
diff
changeset
|
1167 addUse((AllocatableValue) operand, blockFrom, opId + 1, RegisterPriority.None, operand.getLIRKind()); |
d11ce424f09d
Allow updating HotSpotMonitorValue.slot.
Josef Eisl <josef.eisl@jku.at>
parents:
18439
diff
changeset
|
1168 } |
16138
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1169 }; |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1170 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1171 // create a list with all caller-save registers (cpu, fpu, xmm) |
18150
22f2e42923de
Use FrameMapBuilder in LinearScan (except for location marking).
Josef Eisl <josef.eisl@jku.at>
parents:
18123
diff
changeset
|
1172 Register[] callerSaveRegs = frameMapBuilder.getRegisterConfig().getCallerSaveRegisters(); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1173 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1174 // 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
|
1175 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
|
1176 |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
1177 AbstractBlockBase<?> block = blockAt(i); |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1178 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
|
1179 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1180 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
|
1181 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
|
1182 int blockTo = getLastLirInstructionId(block); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1183 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1184 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
|
1185 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
|
1186 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1187 // 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
|
1188 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
|
1189 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
|
1190 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
|
1191 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
|
1192 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
|
1193 |
16094
c0b8d395368b
Introduce LIRKind to accurately track oop references in backend.
Roland Schatz <roland.schatz@oracle.com>
parents:
15927
diff
changeset
|
1194 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
|
1195 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1196 // 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
|
1197 // 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
|
1198 // 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
|
1199 // have an invalid loop index. |
15534
4bd6ad45ee0a
Encapsulate members of Loop.
Josef Eisl <josef.eisl@jku.at>
parents:
15193
diff
changeset
|
1200 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
|
1201 intervalFor(operandNum).addUsePos(blockTo + 1, RegisterPriority.LiveAtLoopEnd); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1202 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1203 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1204 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1205 // 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
|
1206 // 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
|
1207 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
|
1208 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
|
1209 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
|
1210 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1211 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
|
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 // 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
|
1214 // 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
|
1215 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
|
1216 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
|
1217 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
|
1218 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
|
1219 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1220 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1221 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
|
1222 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1223 |
16801
067dbd8e7114
Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents:
16796
diff
changeset
|
1224 op.visitEachOutput(outputConsumer); |
067dbd8e7114
Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents:
16796
diff
changeset
|
1225 op.visitEachTemp(tempConsumer); |
067dbd8e7114
Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents:
16796
diff
changeset
|
1226 op.visitEachAlive(aliveConsumer); |
067dbd8e7114
Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents:
16796
diff
changeset
|
1227 op.visitEachInput(inputConsumer); |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7512
diff
changeset
|
1228 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1229 // 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
|
1230 // 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
|
1231 // 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
|
1232 // 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
|
1233 // the call otherwise) |
16801
067dbd8e7114
Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents:
16796
diff
changeset
|
1234 op.visitEachState(stateProc); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1235 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1236 // 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
|
1237 handleMethodArguments(op); |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1238 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1239 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1240 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1241 } // 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
|
1242 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1243 } // 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
|
1244 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1245 // 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
|
1246 // 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
|
1247 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
|
1248 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
|
1249 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
|
1250 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1251 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1252 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1253 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1254 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1255 // * Phase 5: actual register allocation |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1256 |
4142
bc8527f3071c
Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3733
diff
changeset
|
1257 private static boolean isSorted(Interval[] intervals) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1258 int from = -1; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1259 for (Interval interval : intervals) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1260 assert interval != null; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1261 assert from <= interval.from(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1262 from = interval.from(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1263 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1264 return true; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1265 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1266 |
4142
bc8527f3071c
Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3733
diff
changeset
|
1267 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
|
1268 Interval newFirst = first; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1269 if (prev != null) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1270 prev.next = interval; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1271 } else { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1272 newFirst = interval; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1273 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1274 return newFirst; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1275 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1276 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1277 Interval.Pair createUnhandledLists(IntervalPredicate isList1, IntervalPredicate isList2) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1278 assert isSorted(sortedIntervals) : "interval list is not sorted"; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1279 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1280 Interval list1 = Interval.EndMarker; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1281 Interval list2 = Interval.EndMarker; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1282 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1283 Interval list1Prev = null; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1284 Interval list2Prev = null; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1285 Interval v; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1286 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1287 int n = sortedIntervals.length; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1288 for (int i = 0; i < n; i++) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1289 v = sortedIntervals[i]; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1290 if (v == null) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1291 continue; |
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 if (isList1.apply(v)) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1295 list1 = addToList(list1, list1Prev, v); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1296 list1Prev = v; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1297 } else if (isList2 == null || isList2.apply(v)) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1298 list2 = addToList(list2, list2Prev, v); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1299 list2Prev = v; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1300 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1301 } |
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 if (list1Prev != null) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1304 list1Prev.next = Interval.EndMarker; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1305 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1306 if (list2Prev != null) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1307 list2Prev.next = Interval.EndMarker; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1308 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1309 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1310 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
|
1311 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
|
1312 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1313 return new Interval.Pair(list1, list2); |
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 void sortIntervalsBeforeAllocation() { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1317 int sortedLen = 0; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1318 for (Interval interval : intervals) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1319 if (interval != null) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1320 sortedLen++; |
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 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1323 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1324 Interval[] sortedList = new Interval[sortedLen]; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1325 int sortedIdx = 0; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1326 int sortedFromMax = -1; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1327 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1328 // 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
|
1329 // 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
|
1330 for (Interval interval : intervals) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1331 if (interval != null) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1332 int from = interval.from(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1333 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1334 if (sortedFromMax <= from) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1335 sortedList[sortedIdx++] = interval; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1336 sortedFromMax = interval.from(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1337 } else { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1338 // 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
|
1339 // so this interval must be sorted in manually |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1340 int j; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1341 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
|
1342 sortedList[j + 1] = sortedList[j]; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1343 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1344 sortedList[j + 1] = interval; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1345 sortedIdx++; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1346 } |
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 sortedIntervals = sortedList; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1350 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1351 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1352 void sortIntervalsAfterAllocation() { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1353 if (firstDerivedIntervalIndex == -1) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1354 // 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
|
1355 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1356 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1357 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1358 Interval[] oldList = sortedIntervals; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1359 Interval[] newList = Arrays.copyOfRange(intervals, firstDerivedIntervalIndex, intervalsSize); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1360 int oldLen = oldList.length; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1361 int newLen = newList.length; |
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 // 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
|
1364 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
|
1365 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1366 // 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
|
1367 Interval[] combinedList = new Interval[oldLen + newLen]; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1368 int oldIdx = 0; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1369 int newIdx = 0; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1370 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1371 while (oldIdx + newIdx < combinedList.length) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1372 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
|
1373 combinedList[oldIdx + newIdx] = oldList[oldIdx]; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1374 oldIdx++; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1375 } else { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1376 combinedList[oldIdx + newIdx] = newList[newIdx]; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1377 newIdx++; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1378 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1379 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1380 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1381 sortedIntervals = combinedList; |
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 |
19212 | 1384 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
|
1385 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
|
1386 Interval precoloredIntervals; |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1387 Interval notPrecoloredIntervals; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1388 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1389 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
|
1390 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
|
1391 notPrecoloredIntervals = result.second; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1392 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1393 // allocate cpu registers |
15927
96229f219351
LSRA: add OptimizingLinearScanWalker.
Josef Eisl <josef.eisl@jku.at>
parents:
15920
diff
changeset
|
1394 LinearScanWalker lsw; |
96229f219351
LSRA: add OptimizingLinearScanWalker.
Josef Eisl <josef.eisl@jku.at>
parents:
15920
diff
changeset
|
1395 if (OptimizingLinearScanWalker.Options.LSRAOptimization.getValue()) { |
96229f219351
LSRA: add OptimizingLinearScanWalker.
Josef Eisl <josef.eisl@jku.at>
parents:
15920
diff
changeset
|
1396 lsw = new OptimizingLinearScanWalker(this, precoloredIntervals, notPrecoloredIntervals); |
96229f219351
LSRA: add OptimizingLinearScanWalker.
Josef Eisl <josef.eisl@jku.at>
parents:
15920
diff
changeset
|
1397 } else { |
96229f219351
LSRA: add OptimizingLinearScanWalker.
Josef Eisl <josef.eisl@jku.at>
parents:
15920
diff
changeset
|
1398 lsw = new LinearScanWalker(this, precoloredIntervals, notPrecoloredIntervals); |
96229f219351
LSRA: add OptimizingLinearScanWalker.
Josef Eisl <josef.eisl@jku.at>
parents:
15920
diff
changeset
|
1399 } |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1400 lsw.walk(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1401 lsw.finishAllocation(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1402 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1403 } |
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 // * Phase 6: resolve data flow |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1406 // (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
|
1407 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1408 // 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
|
1409 // instead of returning null |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1410 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
|
1411 Interval result = interval.getSplitChildAtOpId(opId, mode, this); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1412 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1413 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
|
1414 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
|
1415 return result; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1416 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1417 |
5547
b6617d13ea44
Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5542
diff
changeset
|
1418 throw new BailoutException("LinearScan: interval is null"); |
3733
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 |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
1421 Interval intervalAtBlockBegin(AbstractBlockBase<?> block, int operandNumber) { |
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
|
1422 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
|
1423 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1424 |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
1425 Interval intervalAtBlockEnd(AbstractBlockBase<?> block, int operandNumber) { |
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
|
1426 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
|
1427 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1428 |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
1429 void resolveCollectMappings(AbstractBlockBase<?> fromBlock, AbstractBlockBase<?> toBlock, MoveResolver moveResolver) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1430 assert moveResolver.checkEmpty(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1431 |
4206
430b5db3e6f8
Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4199
diff
changeset
|
1432 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
|
1433 BitSet liveAtEdge = blockData.get(toBlock).liveIn; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1434 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1435 // 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
|
1436 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
|
1437 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
|
1438 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
|
1439 |
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
|
1440 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
|
1441 Interval toInterval = intervalAtBlockBegin(toBlock, operandNum); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1442 |
9632
97db51025787
Value: use `equals()' instead of object equality
Bernhard Urban <bernhard.urban@jku.at>
parents:
9628
diff
changeset
|
1443 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
|
1444 // need to insert move instruction |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1445 moveResolver.addMapping(fromInterval, toInterval); |
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 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1448 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1449 |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
1450 void resolveFindInsertPos(AbstractBlockBase<?> fromBlock, AbstractBlockBase<?> toBlock, MoveResolver moveResolver) { |
7497
0f8c6dbf68be
Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6582
diff
changeset
|
1451 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
|
1452 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
|
1453 |
14806
a8723f1ff542
LIR renamed setter and getter functions.
Josef Eisl <josef.eisl@jku.at>
parents:
14789
diff
changeset
|
1454 List<LIRInstruction> instructions = ir.getLIRforBlock(fromBlock); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1455 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
|
1456 if (instr instanceof StandardOp.JumpOp) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1457 // 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
|
1458 moveResolver.setInsertPosition(instructions, instructions.size() - 1); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1459 } 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
|
1460 moveResolver.setInsertPosition(instructions, instructions.size()); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1461 } |
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 } 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
|
1464 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
|
1465 |
9855
6898d8995866
converted more options from GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents:
9632
diff
changeset
|
1466 if (DetailedAsserts.getValue()) { |
14806
a8723f1ff542
LIR renamed setter and getter functions.
Josef Eisl <josef.eisl@jku.at>
parents:
14789
diff
changeset
|
1467 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
|
1468 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1469 // 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
|
1470 // 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
|
1471 // 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
|
1472 // that all predecessors will be the same. |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
1473 for (AbstractBlockBase<?> predecessor : toBlock.getPredecessors()) { |
7497
0f8c6dbf68be
Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6582
diff
changeset
|
1474 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
|
1475 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1476 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1477 |
14806
a8723f1ff542
LIR renamed setter and getter functions.
Josef Eisl <josef.eisl@jku.at>
parents:
14789
diff
changeset
|
1478 moveResolver.setInsertPosition(ir.getLIRforBlock(toBlock), 1); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1479 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1480 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1481 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1482 /** |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1483 * 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
|
1484 * have been split. |
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 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
|
1487 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
|
1488 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1489 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
|
1490 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
|
1491 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
|
1492 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
|
1493 |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
1494 for (AbstractBlockBase<?> block : sortedBlocks) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1495 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1496 // 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
|
1497 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
|
1498 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
|
1499 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
|
1500 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
|
1501 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1502 // 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
|
1503 if (instructions.size() == 2) { |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
1504 AbstractBlockBase<?> pred = block.getPredecessors().iterator().next(); |
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
1505 AbstractBlockBase<?> sux = block.getSuccessors().iterator().next(); |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1506 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1507 // 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
|
1508 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
|
1509 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
|
1510 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1511 blockCompleted.set(block.getLinearScanNumber()); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1512 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1513 // 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
|
1514 // 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
|
1515 // between) |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1516 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
|
1517 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
|
1518 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
|
1519 moveResolver.resolveAndAppendMoves(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1520 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1521 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1522 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1523 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1524 } |
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
|
1525 |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
1526 for (AbstractBlockBase<?> fromBlock : sortedBlocks) { |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1527 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
|
1528 alreadyResolved.clear(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1529 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
|
1530 |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
1531 for (AbstractBlockBase<?> toBlock : fromBlock.getSuccessors()) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1532 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1533 // 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
|
1534 // blocks) |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1535 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
|
1536 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
|
1537 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1538 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
|
1539 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1540 // 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
|
1541 // 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
|
1542 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
|
1543 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
|
1544 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
|
1545 moveResolver.resolveAndAppendMoves(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1546 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1547 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1548 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1549 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1550 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1551 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1552 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1553 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1554 // * Phase 7: assign register numbers back to LIR |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1555 // (includes computation of debug information and oop maps) |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1556 |
18425
b856446ff7e0
Introduce StackSlotValue and VirtualStackSlot.
Josef Eisl <josef.eisl@jku.at>
parents:
18420
diff
changeset
|
1557 static StackSlotValue canonicalSpillOpr(Interval interval) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1558 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
|
1559 return interval.spillSlot(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1560 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1561 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1562 /** |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1563 * 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
|
1564 * |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1565 * @param operand an LIR instruction operand |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1566 * @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
|
1567 * @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
|
1568 * @return the location assigned for the operand |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1569 */ |
5539
bc647d8b0080
Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5536
diff
changeset
|
1570 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
|
1571 Interval interval = intervalFor(operand); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1572 assert interval != null : "interval must exist"; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1573 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1574 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
|
1575 if (DetailedAsserts.getValue()) { |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
1576 AbstractBlockBase<?> block = blockForId(opId); |
7497
0f8c6dbf68be
Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6582
diff
changeset
|
1577 if (block.getSuccessorCount() <= 1 && opId == getLastLirInstructionId(block)) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1578 // 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
|
1579 // 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
|
1580 // would |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1581 // be incorrect. |
14806
a8723f1ff542
LIR renamed setter and getter functions.
Josef Eisl <josef.eisl@jku.at>
parents:
14789
diff
changeset
|
1582 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
|
1583 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
|
1584 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
|
1585 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
|
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 // 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
|
1592 // so search the right interval here |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1593 interval = splitChildAtOpId(interval, opId, mode); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1594 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1595 |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1596 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
|
1597 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
|
1598 return interval.getMaterializedValue(); |
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1599 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1600 return interval.location(); |
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 |
13377
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1603 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
|
1604 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
|
1605 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
|
1606 |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1607 if (opId != -1) { |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1608 // 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
|
1609 // 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
|
1610 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
|
1611 } |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1612 |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1613 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
|
1614 } |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1615 |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1616 protected IntervalWalker initIntervalWalker(IntervalPredicate predicate) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1617 // setup lists of potential oops for walking |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1618 Interval oopIntervals; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1619 Interval nonOopIntervals; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1620 |
13340
9423a38d6437
added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13339
diff
changeset
|
1621 oopIntervals = createUnhandledLists(predicate, null).first; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1622 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1623 // 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
|
1624 // 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
|
1625 // 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
|
1626 nonOopIntervals = new Interval(Value.ILLEGAL, -1); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1627 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
|
1628 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1629 return new IntervalWalker(this, oopIntervals, nonOopIntervals); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1630 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1631 |
5539
bc647d8b0080
Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5536
diff
changeset
|
1632 private boolean isCallerSave(Value operand) { |
5552
69a8969dbf40
Reduce public fields in api.code project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5547
diff
changeset
|
1633 return attributes(asRegister(operand)).isCallerSave(); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1634 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1635 |
17413
0a2e65e74a9c
LRSA: minor clean ups around debugInfoProcedure().
Josef Eisl <josef.eisl@jku.at>
parents:
17298
diff
changeset
|
1636 /** |
0a2e65e74a9c
LRSA: minor clean ups around debugInfoProcedure().
Josef Eisl <josef.eisl@jku.at>
parents:
17298
diff
changeset
|
1637 * @param op |
0a2e65e74a9c
LRSA: minor clean ups around debugInfoProcedure().
Josef Eisl <josef.eisl@jku.at>
parents:
17298
diff
changeset
|
1638 * @param operand |
0a2e65e74a9c
LRSA: minor clean ups around debugInfoProcedure().
Josef Eisl <josef.eisl@jku.at>
parents:
17298
diff
changeset
|
1639 * @param valueMode |
0a2e65e74a9c
LRSA: minor clean ups around debugInfoProcedure().
Josef Eisl <josef.eisl@jku.at>
parents:
17298
diff
changeset
|
1640 * @param flags |
0a2e65e74a9c
LRSA: minor clean ups around debugInfoProcedure().
Josef Eisl <josef.eisl@jku.at>
parents:
17298
diff
changeset
|
1641 * @see InstructionValueProcedure#doValue(LIRInstruction, Value, OperandMode, EnumSet) |
0a2e65e74a9c
LRSA: minor clean ups around debugInfoProcedure().
Josef Eisl <josef.eisl@jku.at>
parents:
17298
diff
changeset
|
1642 */ |
17298
831e96d0777d
Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents:
17297
diff
changeset
|
1643 private Value debugInfoProcedure(LIRInstruction op, Value operand, OperandMode valueMode, EnumSet<OperandFlag> flags) { |
18610 | 1644 if (isVirtualStackSlot(operand)) { |
1645 return operand; | |
1646 } | |
17298
831e96d0777d
Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents:
17297
diff
changeset
|
1647 int tempOpId = op.id(); |
831e96d0777d
Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents:
17297
diff
changeset
|
1648 OperandMode mode = OperandMode.USE; |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
1649 AbstractBlockBase<?> block = blockForId(tempOpId); |
17298
831e96d0777d
Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents:
17297
diff
changeset
|
1650 if (block.getSuccessorCount() == 1 && tempOpId == getLastLirInstructionId(block)) { |
831e96d0777d
Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents:
17297
diff
changeset
|
1651 // generating debug information for the last instruction of a block. |
831e96d0777d
Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents:
17297
diff
changeset
|
1652 // if this instruction is a branch, spill moves are inserted before this branch |
831e96d0777d
Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents:
17297
diff
changeset
|
1653 // and so the wrong operand would be returned (spill moves at block boundaries |
831e96d0777d
Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents:
17297
diff
changeset
|
1654 // are not |
831e96d0777d
Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents:
17297
diff
changeset
|
1655 // considered in the live ranges of intervals) |
831e96d0777d
Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents:
17297
diff
changeset
|
1656 // Solution: use the first opId of the branch target block instead. |
831e96d0777d
Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents:
17297
diff
changeset
|
1657 final LIRInstruction instr = ir.getLIRforBlock(block).get(ir.getLIRforBlock(block).size() - 1); |
831e96d0777d
Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents:
17297
diff
changeset
|
1658 if (instr instanceof StandardOp.JumpOp) { |
831e96d0777d
Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents:
17297
diff
changeset
|
1659 if (blockData.get(block).liveOut.get(operandNumber(operand))) { |
831e96d0777d
Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents:
17297
diff
changeset
|
1660 tempOpId = getFirstLirInstructionId(block.getSuccessors().iterator().next()); |
831e96d0777d
Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents:
17297
diff
changeset
|
1661 mode = OperandMode.DEF; |
16138
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1662 } |
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1663 } |
17298
831e96d0777d
Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents:
17297
diff
changeset
|
1664 } |
17297
07d5cf34b3c5
Work around uninitialized variables problem with javac and lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17294
diff
changeset
|
1665 |
17298
831e96d0777d
Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents:
17297
diff
changeset
|
1666 // Get current location of operand |
831e96d0777d
Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents:
17297
diff
changeset
|
1667 // The operand must be live because debug information is considered when building |
831e96d0777d
Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents:
17297
diff
changeset
|
1668 // the intervals |
831e96d0777d
Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents:
17297
diff
changeset
|
1669 // if the interval is not live, colorLirOperand will cause an assert on failure |
831e96d0777d
Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents:
17297
diff
changeset
|
1670 Value result = colorLirOperand((Variable) operand, tempOpId, mode); |
18436
59e65d3aa2fc
Use StackSlotValue where appropriate.
Josef Eisl <josef.eisl@jku.at>
parents:
18425
diff
changeset
|
1671 assert !hasCall(tempOpId) || isStackSlotValue(result) || isConstant(result) || !isCallerSave(result) : "cannot have caller-save register operands at calls"; |
17298
831e96d0777d
Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents:
17297
diff
changeset
|
1672 return result; |
831e96d0777d
Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents:
17297
diff
changeset
|
1673 } |
16138
f315b1c0a590
Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents:
16118
diff
changeset
|
1674 |
19019
56e6b5756886
LinearScan: remove support for markFrameLocations.
Josef Eisl <josef.eisl@jku.at>
parents:
18674
diff
changeset
|
1675 private void computeDebugInfo(final LIRInstruction op, LIRFrameState info) { |
17298
831e96d0777d
Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents:
17297
diff
changeset
|
1676 info.forEachState(op, this::debugInfoProcedure); |
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 |
19019
56e6b5756886
LinearScan: remove support for markFrameLocations.
Josef Eisl <josef.eisl@jku.at>
parents:
18674
diff
changeset
|
1679 private void assignLocations(List<LIRInstruction> instructions) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1680 int numInst = instructions.size(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1681 boolean hasDead = false; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1682 |
17291
182062f9739d
LSRA: replace anonymous InstructionValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents:
17285
diff
changeset
|
1683 InstructionValueProcedure assignProc = (op, operand, mode, flags) -> isVariable(operand) ? colorLirOperand((Variable) operand, op.id(), mode) : operand; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1684 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
|
1685 final LIRInstruction op = instructions.get(j); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1686 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
|
1687 hasDead = true; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1688 continue; |
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 |
13377
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1691 // remove useless moves |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1692 MoveOp move = null; |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1693 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
|
1694 move = (MoveOp) op; |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1695 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
|
1696 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
|
1697 /* |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1698 * 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
|
1699 * 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
|
1700 * 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
|
1701 */ |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1702 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
|
1703 hasDead = true; |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1704 continue; |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1705 } |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1706 } |
40530019af02
enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13376
diff
changeset
|
1707 |
4245
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
1708 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
|
1709 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
|
1710 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
|
1711 op.forEachOutput(assignProc); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1712 |
5733
141b15521a39
use annotated fields for operands of LIR instructions
Christian Wimmer <christian.wimmer@oracle.com>
parents:
5711
diff
changeset
|
1713 // compute reference map and debug information |
19019
56e6b5756886
LinearScan: remove support for markFrameLocations.
Josef Eisl <josef.eisl@jku.at>
parents:
18674
diff
changeset
|
1714 op.forEachState((inst, state) -> computeDebugInfo(inst, state)); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1715 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1716 // 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
|
1717 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
|
1718 if (move.getInput().equals(move.getResult())) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1719 instructions.set(j, null); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1720 hasDead = true; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1721 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1722 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1723 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1724 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1725 if (hasDead) { |
6321
9418ff4c9e7c
Clean up ControlFlowOptimizer.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6317
diff
changeset
|
1726 // Remove null values from the list. |
9418ff4c9e7c
Clean up ControlFlowOptimizer.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
6317
diff
changeset
|
1727 instructions.removeAll(Collections.singleton(null)); |
3733
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 private void assignLocations() { |
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
|
1732 try (Indent indent = Debug.logAndIndent("assign locations")) { |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
1733 for (AbstractBlockBase<?> 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
|
1734 try (Indent indent2 = Debug.logAndIndent("assign locations in block B%d", block.getId())) { |
19019
56e6b5756886
LinearScan: remove support for markFrameLocations.
Josef Eisl <josef.eisl@jku.at>
parents:
18674
diff
changeset
|
1735 assignLocations(ir.getLIRforBlock(block)); |
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
|
1736 } |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
1737 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1738 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1739 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1740 |
19212 | 1741 void allocate() { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1742 |
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
|
1743 /* |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
1744 * 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
|
1745 */ |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1746 try (Indent indent = Debug.logAndIndent("LinearScan allocate")) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1747 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1748 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
|
1749 numberInstructions(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1750 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
|
1751 computeLocalLiveSets(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1752 computeGlobalLiveSets(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1753 buildIntervals(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1754 sortIntervalsBeforeAllocation(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1755 } 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
|
1756 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
|
1757 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1758 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1759 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
|
1760 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
|
1761 allocateRegisters(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1762 } 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
|
1763 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
|
1764 } |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7512
diff
changeset
|
1765 |
16362
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
1766 if (Options.LSRAOptimizeSpillPosition.getValue()) { |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
1767 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
|
1768 optimizeSpillPosition(); |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
1769 } catch (Throwable e) { |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
1770 throw Debug.handle(e); |
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
1771 } |
16357
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents:
16355
diff
changeset
|
1772 } |
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents:
16355
diff
changeset
|
1773 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1774 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
|
1775 resolveDataFlow(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1776 } 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
|
1777 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
|
1778 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1779 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1780 try (Scope s = Debug.scope("DebugInfo")) { |
18420
b7089e3d8457
Print LIR after FrameMap building.
Josef Eisl <josef.eisl@jku.at>
parents:
18187
diff
changeset
|
1781 printIntervals("After register allocation"); |
b7089e3d8457
Print LIR after FrameMap building.
Josef Eisl <josef.eisl@jku.at>
parents:
18187
diff
changeset
|
1782 printLir("After register allocation", true); |
b7089e3d8457
Print LIR after FrameMap building.
Josef Eisl <josef.eisl@jku.at>
parents:
18187
diff
changeset
|
1783 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1784 sortIntervalsAfterAllocation(); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1785 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1786 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
|
1787 verify(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1788 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1789 |
16372
73d7935be896
LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents:
16371
diff
changeset
|
1790 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
|
1791 eliminateSpillMoves(); |
73d7935be896
LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents:
16371
diff
changeset
|
1792 } catch (Throwable e) { |
73d7935be896
LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents:
16371
diff
changeset
|
1793 throw Debug.handle(e); |
73d7935be896
LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents:
16371
diff
changeset
|
1794 } |
17195
41a75081678c
Print LIR after move elimination.
Josef Eisl <josef.eisl@jku.at>
parents:
17126
diff
changeset
|
1795 printLir("After spill move elimination", true); |
16372
73d7935be896
LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents:
16371
diff
changeset
|
1796 |
73d7935be896
LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents:
16371
diff
changeset
|
1797 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
|
1798 assignLocations(); |
73d7935be896
LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents:
16371
diff
changeset
|
1799 } catch (Throwable e) { |
73d7935be896
LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents:
16371
diff
changeset
|
1800 throw Debug.handle(e); |
73d7935be896
LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents:
16371
diff
changeset
|
1801 } |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1802 |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1803 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
|
1804 verifyIntervals(); |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1805 } |
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1806 } 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
|
1807 throw Debug.handle(e); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1808 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1809 |
14871
667710021ea1
removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents:
14841
diff
changeset
|
1810 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
|
1811 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1812 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1813 |
16357
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents:
16355
diff
changeset
|
1814 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
|
1815 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
|
1816 |
16362
b100bd079fff
LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents:
16361
diff
changeset
|
1817 private void optimizeSpillPosition() { |
16378
d075b97fbd31
LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents:
16377
diff
changeset
|
1818 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
|
1819 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
|
1820 if (interval != null && interval.isSplitParent() && interval.spillState() == SpillState.SpillInDominator) { |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
1821 AbstractBlockBase<?> defBlock = blockForId(interval.spillDefinitionPos()); |
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
1822 AbstractBlockBase<?> 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
|
1823 Interval firstSpillChild = null; |
16357
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents:
16355
diff
changeset
|
1824 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
|
1825 for (Interval splitChild : interval.getSplitChildren()) { |
18436
59e65d3aa2fc
Use StackSlotValue where appropriate.
Josef Eisl <josef.eisl@jku.at>
parents:
18425
diff
changeset
|
1826 if (isStackSlotValue(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
|
1827 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
|
1828 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
|
1829 } 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
|
1830 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
|
1831 } |
f8ba57019a5d
LSRA spill optimization: move spill position to the dominator if at spill interval.
Josef Eisl <josef.eisl@jku.at>
parents:
16368
diff
changeset
|
1832 // iterate all blocks where the interval has use positions |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
1833 for (AbstractBlockBase<?> 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
|
1834 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
|
1835 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
|
1836 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
|
1837 spillBlock = splitBlock; |
74e93f5ba4f3
LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents:
16372
diff
changeset
|
1838 } else { |
16506
505c17ed39da
LSRA spill optimization: use AbstractControlFlowGraph.commonDominator.
Josef Eisl <josef.eisl@jku.at>
parents:
16505
diff
changeset
|
1839 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
|
1840 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
|
1841 } |
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
|
1842 } |
16357
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents:
16355
diff
changeset
|
1843 } |
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents:
16355
diff
changeset
|
1844 } |
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents:
16355
diff
changeset
|
1845 } |
16360
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
1846 if (spillBlock == null) { |
16358
9371b9c246ca
LSRA spill optimization: spill at earliest dominator.
Josef Eisl <josef.eisl@jku.at>
parents:
16357
diff
changeset
|
1847 // no spill interval |
9371b9c246ca
LSRA spill optimization: spill at earliest dominator.
Josef Eisl <josef.eisl@jku.at>
parents:
16357
diff
changeset
|
1848 interval.setSpillState(SpillState.StoreAtDefinition); |
9371b9c246ca
LSRA spill optimization: spill at earliest dominator.
Josef Eisl <josef.eisl@jku.at>
parents:
16357
diff
changeset
|
1849 } else { |
16360
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
1850 // move out of loops |
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LSRA spill optimization: move spill out of loops.
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1851 if (defBlock.getLoopDepth() < spillBlock.getLoopDepth()) { |
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LSRA spill optimization: move spill out of loops.
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1852 spillBlock = moveSpillOutOfLoop(defBlock, spillBlock); |
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LSRA spill optimization: move spill out of loops.
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1853 } |
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|
1854 |
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|
1855 /* |
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LSRA spill optimization: move spill position to the dominator if at spill interval.
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1856 * If the spill block is the begin of the first split child (aka the value |
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|
1857 * is on the stack) spill in the dominator. |
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|
1858 */ |
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1859 assert firstSpillChild != null; |
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LSRA spill optimization: move spill position to the dominator if at spill interval.
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|
1860 if (!defBlock.equals(spillBlock) && spillBlock.equals(blockForId(firstSpillChild.from()))) { |
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Remove AbstractBlock interface.
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|
1861 AbstractBlockBase<?> dom = spillBlock.getDominator(); |
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LSRA spill optimization: move spill position to the dominator if at spill interval.
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1862 Debug.log("Spill block (%s) is the beginning of a spill child -> use dominator (%s)", spillBlock, dom); |
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1863 spillBlock = dom; |
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1864 } |
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1865 |
16360
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1866 if (!defBlock.equals(spillBlock)) { |
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LSRA spill optimization: move spill out of loops.
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1867 assert dominates(defBlock, spillBlock); |
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1868 betterSpillPos.increment(); |
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LSRA spill optimization: move spill out of loops.
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1869 Debug.log("Better spill position found (Block %s)", spillBlock); |
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|
1870 |
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1871 if (defBlock.probability() <= spillBlock.probability()) { |
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1872 // better spill block has the same probability -> do nothing |
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1873 interval.setSpillState(SpillState.StoreAtDefinition); |
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1874 } else { |
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1875 LIRInsertionBuffer insertionBuffer = insertionBuffers[spillBlock.getId()]; |
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1876 if (insertionBuffer == null) { |
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1877 insertionBuffer = new LIRInsertionBuffer(); |
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1878 insertionBuffers[spillBlock.getId()] = insertionBuffer; |
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1879 insertionBuffer.init(ir.getLIRforBlock(spillBlock)); |
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1880 } |
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1881 int spillOpId = getFirstLirInstructionId(spillBlock); |
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1882 // insert spill move |
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1883 AllocatableValue fromLocation = interval.getSplitChildAtOpId(spillOpId, OperandMode.DEF, this).location(); |
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1884 AllocatableValue toLocation = canonicalSpillOpr(interval); |
19549
1cf73c50e3dc
Move SpillMoveFactory from LIR to LIRGeneratorTool.
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|
1885 LIRInstruction move = getSpillMoveFactory().createMove(toLocation, fromLocation); |
16380
8057279ec60e
LSRA spill optimization: use DOMINATOR_SPILL_MOVE_ID to mark moves.
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|
1886 move.setId(DOMINATOR_SPILL_MOVE_ID); |
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|
1887 /* |
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1888 * We can use the insertion buffer directly because we always insert |
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1889 * at position 1. |
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1890 */ |
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|
1891 insertionBuffer.append(1, move); |
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1892 |
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|
1893 betterSpillPosWithLowerProbability.increment(); |
16378
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1894 interval.setSpillDefinitionPos(spillOpId); |
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|
1895 } |
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1896 } else { |
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|
1897 // definition is the best choice |
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1898 interval.setSpillState(SpillState.StoreAtDefinition); |
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|
1899 } |
16357
a07492ccaf52
LSRA spill optimization: calculate optimized spill position.
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|
1900 } |
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|
1901 } |
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|
1902 } |
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|
1903 } |
16378
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1904 for (LIRInsertionBuffer insertionBuffer : insertionBuffers) { |
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1905 if (insertionBuffer != null) { |
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1906 assert insertionBuffer.initialized() : "Insertion buffer is nonnull but not initialized!"; |
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|
1907 insertionBuffer.finish(); |
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|
1908 } |
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changeset
|
1909 } |
16357
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changeset
|
1910 } |
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changeset
|
1911 |
16364
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
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diff
changeset
|
1912 /** |
19560
4d70d150944f
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diff
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|
1913 * Iterate over all {@link AbstractBlockBase blocks} of an interval. |
16364
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|
1914 */ |
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4d70d150944f
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diff
changeset
|
1915 private class IntervalBlockIterator implements Iterator<AbstractBlockBase<?>> { |
16364
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LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
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|
1916 |
16373
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LSRA spill optimization: consider all spill blocks not only use positions.
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|
1917 Range range; |
19560
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|
1918 AbstractBlockBase<?> block; |
16364
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|
1919 |
16376
ef21879c0c8f
LSRA spill optimization: rename UseBlockIterator to IntervalBlockIterator.
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changeset
|
1920 public IntervalBlockIterator(Interval interval) { |
16373
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|
1921 range = interval.first(); |
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|
1922 block = blockForId(range.from); |
16364
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|
1923 } |
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diff
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|
1924 |
19560
4d70d150944f
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diff
changeset
|
1925 public AbstractBlockBase<?> next() { |
4d70d150944f
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|
1926 AbstractBlockBase<?> currentBlock = block; |
16364
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|
1927 int nextBlockIndex = block.getLinearScanNumber() + 1; |
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|
1928 if (nextBlockIndex < sortedBlocks.size()) { |
16373
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|
1929 block = sortedBlocks.get(nextBlockIndex); |
16375
ff14306337f2
LSRA spill optimization: fix UseBlockIterator.
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parents:
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diff
changeset
|
1930 if (range.to <= getFirstLirInstructionId(block)) { |
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|
1931 range = range.next; |
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|
1932 if (range == Range.EndMarker) { |
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|
1933 block = null; |
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|
1934 } else { |
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|
1935 block = blockForId(range.from); |
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changeset
|
1936 } |
16370
3324ab9fe71a
LSRA spill optimization: iterate all ranges of spill interval.
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parents:
16369
diff
changeset
|
1937 } |
16364
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
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diff
changeset
|
1938 } else { |
16373
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LSRA spill optimization: consider all spill blocks not only use positions.
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diff
changeset
|
1939 block = null; |
16364
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parents:
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diff
changeset
|
1940 } |
16373
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changeset
|
1941 return currentBlock; |
16364
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changeset
|
1942 } |
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
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changeset
|
1943 |
a54a64af1e82
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diff
changeset
|
1944 public boolean hasNext() { |
16373
74e93f5ba4f3
LSRA spill optimization: consider all spill blocks not only use positions.
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diff
changeset
|
1945 return block != null; |
16364
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
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parents:
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diff
changeset
|
1946 } |
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
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parents:
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diff
changeset
|
1947 } |
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
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parents:
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diff
changeset
|
1948 |
19560
4d70d150944f
Remove AbstractBlock interface.
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diff
changeset
|
1949 private Iterable<AbstractBlockBase<?>> blocksForInterval(Interval interval) { |
4d70d150944f
Remove AbstractBlock interface.
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parents:
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diff
changeset
|
1950 return new Iterable<AbstractBlockBase<?>>() { |
4d70d150944f
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diff
changeset
|
1951 public Iterator<AbstractBlockBase<?>> iterator() { |
16376
ef21879c0c8f
LSRA spill optimization: rename UseBlockIterator to IntervalBlockIterator.
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parents:
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diff
changeset
|
1952 return new IntervalBlockIterator(interval); |
16364
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
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diff
changeset
|
1953 } |
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
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parents:
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diff
changeset
|
1954 }; |
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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diff
changeset
|
1955 } |
a54a64af1e82
LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
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parents:
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diff
changeset
|
1956 |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
1957 private static AbstractBlockBase<?> moveSpillOutOfLoop(AbstractBlockBase<?> defBlock, AbstractBlockBase<?> spillBlock) { |
16360
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
1958 int defLoopDepth = defBlock.getLoopDepth(); |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
1959 for (AbstractBlockBase<?> block = spillBlock.getDominator(); !defBlock.equals(block); block = block.getDominator()) { |
16360
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
1960 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
|
1961 if (block.getLoopDepth() <= defLoopDepth) { |
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
1962 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
|
1963 return block; |
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
1964 } |
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
1965 } |
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
1966 return defBlock; |
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
1967 } |
ec54fc47ba5d
LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents:
16359
diff
changeset
|
1968 |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1969 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
|
1970 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
|
1971 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
|
1972 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
|
1973 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
|
1974 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
|
1975 } |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
1976 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1977 |
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
|
1978 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
|
1979 for (int i = 0; i < blockCount(); i++) { |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
1980 AbstractBlockBase<?> 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
|
1981 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
|
1982 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1983 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1984 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1985 } |
4353
043bec543161
More work on debug framework. Removed concept of GraalContext.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4352
diff
changeset
|
1986 Debug.dump(Arrays.copyOf(intervals, intervalsSize), label); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1987 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1988 |
7556
630ea5001e33
Modified formatter settings to not insert line break after annotation on parameters.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
7530
diff
changeset
|
1989 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
|
1990 Debug.dump(ir, label); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1991 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1992 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1993 boolean verify() { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1994 // (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
|
1995 verifyIntervals(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1996 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1997 verifyRegisters(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1998 |
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
|
1999 Debug.log("no errors found"); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2000 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2001 return true; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2002 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2003 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2004 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
|
2005 // 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
|
2006 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
|
2007 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
|
2008 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
|
2009 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2010 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2011 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2012 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
|
2013 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
|
2014 int len = intervalsSize; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2015 |
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
|
2016 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
|
2017 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
|
2018 if (i1 == null) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2019 continue; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2020 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2021 |
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
|
2022 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
|
2023 |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2024 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
|
2025 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
|
2026 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
|
2027 throw new GraalInternalError(""); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2028 } |
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
|
2029 |
16118
5cbaad0b7387
Verify usage of equals method in LIRKind.
Roland Schatz <roland.schatz@oracle.com>
parents:
16094
diff
changeset
|
2030 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
|
2031 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
|
2032 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
|
2033 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
|
2034 } |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2035 |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2036 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
|
2037 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
|
2038 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
|
2039 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
|
2040 } |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2041 |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2042 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
|
2043 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
|
2044 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
|
2045 throw new GraalInternalError(""); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2046 } |
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
|
2047 |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2048 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
|
2049 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
|
2050 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
|
2051 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
|
2052 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
|
2053 } |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2054 } |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2055 |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2056 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
|
2057 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
|
2058 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
|
2059 continue; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2060 } |
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
|
2061 |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2062 // 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
|
2063 // . 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
|
2064 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
|
2065 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
|
2066 } |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2067 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
|
2068 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
|
2069 } |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2070 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
|
2071 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
|
2072 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
|
2073 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
|
2074 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
|
2075 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
|
2076 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
|
2077 } |
7c694e3e97e5
remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents:
13377
diff
changeset
|
2078 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
|
2079 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2080 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2081 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2082 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2083 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2084 |
17285
3a834111a632
Make [Instruction]ValueProcedure and [Instruction]ValueConsumer a FunctionalInterface.
Josef Eisl <josef.eisl@jku.at>
parents:
17284
diff
changeset
|
2085 class CheckConsumer implements ValueConsumer { |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7512
diff
changeset
|
2086 |
4245
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2087 boolean ok; |
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2088 Interval curInterval; |
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2089 |
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2090 @Override |
17284
d21962ea9617
Remove ValueConsumer.visitValue(Value).
Josef Eisl <josef.eisl@jku.at>
parents:
17283
diff
changeset
|
2091 public void visitValue(Value operand, OperandMode mode, EnumSet<OperandFlag> flags) { |
4245
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2092 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
|
2093 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
|
2094 ok = true; |
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2095 } |
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2096 } |
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2097 } |
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2098 } |
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2099 |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2100 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
|
2101 try (Indent indent = Debug.logAndIndent("verifying that no oops are in fixed intervals *")) { |
16801
067dbd8e7114
Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents:
16796
diff
changeset
|
2102 CheckConsumer checkConsumer = new CheckConsumer(); |
4245
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2103 |
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
|
2104 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
|
2105 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
|
2106 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
|
2107 // 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
|
2108 // 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
|
2109 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
|
2110 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
|
2111 IntervalWalker iw = new IntervalWalker(this, fixedIntervals, otherIntervals); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2112 |
19560
4d70d150944f
Remove AbstractBlock interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19212
diff
changeset
|
2113 for (AbstractBlockBase<?> block : sortedBlocks) { |
14806
a8723f1ff542
LIR renamed setter and getter functions.
Josef Eisl <josef.eisl@jku.at>
parents:
14789
diff
changeset
|
2114 List<LIRInstruction> instructions = ir.getLIRforBlock(block); |
3733
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 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
|
2117 LIRInstruction op = instructions.get(j); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2118 |
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
|
2119 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
|
2120 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
|
2121 boolean checkLive = true; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2122 |
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
|
2123 // 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
|
2124 // 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
|
2125 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
|
2126 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
|
2127 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
|
2128 // 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
|
2129 // 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
|
2130 // referenced by this op either as an input or output. |
16801
067dbd8e7114
Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents:
16796
diff
changeset
|
2131 checkConsumer.curInterval = interval; |
067dbd8e7114
Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents:
16796
diff
changeset
|
2132 checkConsumer.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
|
2133 |
16801
067dbd8e7114
Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents:
16796
diff
changeset
|
2134 op.visitEachInput(checkConsumer); |
067dbd8e7114
Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents:
16796
diff
changeset
|
2135 op.visitEachAlive(checkConsumer); |
067dbd8e7114
Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents:
16796
diff
changeset
|
2136 op.visitEachTemp(checkConsumer); |
067dbd8e7114
Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents:
16796
diff
changeset
|
2137 op.visitEachOutput(checkConsumer); |
4245
75c620f90ab9
Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4214
diff
changeset
|
2138 |
16801
067dbd8e7114
Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents:
16796
diff
changeset
|
2139 assert checkConsumer.ok : "fixed intervals should never be live across an oopmap point"; |
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
|
2140 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2141 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2142 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2143 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2144 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2145 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2146 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2147 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2148 |
14070
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2149 /** |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2150 * 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
|
2151 * |
14070
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2152 * @param op An instruction which defines a value |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2153 * @param operand The destination operand of the instruction |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2154 * @param interval The interval for this defined value. |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2155 * @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
|
2156 * reload-locations in case the interval of this instruction is spilled. Currently this |
18187
9619ba4daf4c
Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents:
18152
diff
changeset
|
2157 * can only be a {@link JavaConstant}. |
14070
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2158 */ |
18187
9619ba4daf4c
Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents:
18152
diff
changeset
|
2159 public static JavaConstant getMaterializedValue(LIRInstruction op, Value operand, Interval interval) { |
14070
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2160 if (op instanceof MoveOp) { |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2161 MoveOp move = (MoveOp) op; |
18187
9619ba4daf4c
Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents:
18152
diff
changeset
|
2162 if (move.getInput() instanceof JavaConstant) { |
14070
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2163 /* |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2164 * 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
|
2165 * == ShouldHaveRegister). Rematerialization of such intervals can result in a |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2166 * 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
|
2167 * the value is not needed in a register. |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2168 */ |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2169 Interval.UsePosList usePosList = interval.usePosList(); |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2170 int numUsePos = usePosList.size(); |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2171 for (int useIdx = 0; useIdx < numUsePos; useIdx++) { |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2172 Interval.RegisterPriority priority = usePosList.registerPriority(useIdx); |
15920 | 2173 if (priority == Interval.RegisterPriority.ShouldHaveRegister) { |
14070
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2174 return null; |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2175 } |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2176 } |
18187
9619ba4daf4c
Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents:
18152
diff
changeset
|
2177 return (JavaConstant) move.getInput(); |
14070
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2178 } |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2179 } |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2180 return null; |
a8a82c6e2981
Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents:
14057
diff
changeset
|
2181 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2182 } |