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annotate graal/com.oracle.graal.lir/src/com/oracle/graal/lir/alloc/lsra/LinearScan.java @ 19212:95a7954ea155

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Add LinearScanPhase.
author Josef Eisl <josef.eisl@jku.at>
date Fri, 06 Feb 2015 20:25:14 +0100
parents 39e99cf01468
children 1cf73c50e3dc 4d70d150944f
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1 /*
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Roland Schatz <roland.schatz@oracle.com>
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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.options.*;
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52
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53 /**
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54 * An implementation of the linear scan register allocator algorithm described in <a
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55 * href="http://doi.acm.org/10.1145/1064979.1064998"
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56 * >"Optimized Interval Splitting in a Linear Scan Register Allocator"</a> by Christian Wimmer and
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57 * Hanspeter Moessenboeck.
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58 */
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59 final class LinearScan {
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60
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61 final TargetDescription target;
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62 final LIRGenerationResult res;
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63 final LIR ir;
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64 final FrameMapBuilder frameMapBuilder;
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65 final RegisterAttributes[] registerAttributes;
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66 final Register[] registers;
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67
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68 final boolean callKillsRegisters;
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69
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70 public static final int DOMINATOR_SPILL_MOVE_ID = -2;
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71 private static final int SPLIT_INTERVALS_CAPACITY_RIGHT_SHIFT = 1;
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72
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73 public static class Options {
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74 // @formatter:off
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75 @Option(help = "Enable spill position optimization", type = OptionType.Debug)
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76 public static final OptionValue<Boolean> LSRAOptimizeSpillPosition = new OptionValue<>(true);
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77 // @formatter:on
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78 }
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79
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80 public static class BlockData {
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81
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82 /**
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83 * Bit map specifying which operands are live upon entry to this block. These are values
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84 * used in this block or any of its successors where such value are not defined in this
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85 * block. The bit index of an operand is its {@linkplain LinearScan#operandNumber(Value)
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86 * operand number}.
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87 */
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88 public BitSet liveIn;
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89
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90 /**
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91 * Bit map specifying which operands are live upon exit from this block. These are values
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92 * used in a successor block that are either defined in this block or were live upon entry
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93 * to this block. The bit index of an operand is its
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94 * {@linkplain LinearScan#operandNumber(Value) operand number}.
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95 */
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96 public BitSet liveOut;
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97
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98 /**
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99 * Bit map specifying which operands are used (before being defined) in this block. That is,
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100 * these are the values that are live upon entry to the block. The bit index of an operand
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101 * is its {@linkplain LinearScan#operandNumber(Value) operand number}.
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102 */
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103 public BitSet liveGen;
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104
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105 /**
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106 * Bit map specifying which operands are defined/overwritten in this block. The bit index of
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107 * an operand is its {@linkplain LinearScan#operandNumber(Value) operand number}.
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108 */
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109 public BitSet liveKill;
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110 }
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111
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112 final BlockMap<BlockData> blockData;
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113
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114 /**
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115 * List of blocks in linear-scan order. This is only correct as long as the CFG does not change.
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116 */
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117 final List<? extends AbstractBlock<?>> sortedBlocks;
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118
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119 /**
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120 * Map from {@linkplain #operandNumber(Value) operand numbers} to intervals.
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121 */
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122 Interval[] intervals;
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123
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124 /**
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125 * The number of valid entries in {@link #intervals}.
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126 */
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127 int intervalsSize;
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128
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129 /**
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130 * The index of the first entry in {@link #intervals} for a
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131 * {@linkplain #createDerivedInterval(Interval) derived interval}.
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132 */
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133 int firstDerivedIntervalIndex = -1;
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134
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135 /**
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136 * Intervals sorted by {@link Interval#from()}.
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137 */
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138 Interval[] sortedIntervals;
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139
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140 /**
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141 * Map from an instruction {@linkplain LIRInstruction#id id} to the instruction. Entries should
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142 * be retrieved with {@link #instructionForId(int)} as the id is not simply an index into this
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143 * array.
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144 */
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145 LIRInstruction[] opIdToInstructionMap;
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146
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147 /**
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148 * Map from an instruction {@linkplain LIRInstruction#id id} to the {@linkplain AbstractBlock
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149 * block} containing the instruction. Entries should be retrieved with {@link #blockForId(int)}
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150 * as the id is not simply an index into this array.
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151 */
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152 AbstractBlock<?>[] opIdToBlockMap;
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153
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154 /**
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155 * Bit set for each variable that is contained in each loop.
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156 */
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157 BitMap2D intervalInLoop;
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158
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159 /**
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160 * The {@linkplain #operandNumber(Value) number} of the first variable operand allocated.
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161 */
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162 private final int firstVariableNumber;
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163
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164 LinearScan(TargetDescription target, LIRGenerationResult res) {
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165 this.target = target;
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166 this.res = res;
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167 this.ir = res.getLIR();
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168 this.frameMapBuilder = res.getFrameMapBuilder();
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169 this.sortedBlocks = ir.linearScanOrder();
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22f2e42923de Use FrameMapBuilder in LinearScan (except for location marking).
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170 this.registerAttributes = frameMapBuilder.getRegisterConfig().getAttributesMap();
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171
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172 this.registers = target.arch.getRegisters();
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173 this.firstVariableNumber = registers.length;
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174 this.blockData = new BlockMap<>(ir.getControlFlowGraph());
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175
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176 // If all allocatable registers are caller saved, then no registers are live across a call
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177 // site. The register allocator can save time not trying to find a register at a call site.
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178 this.callKillsRegisters = this.frameMapBuilder.getRegisterConfig().areAllAllocatableRegistersCallerSaved();
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179 }
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180
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181 int getFirstLirInstructionId(AbstractBlock<?> block) {
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182 int result = ir.getLIRforBlock(block).get(0).id();
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183 assert result >= 0;
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184 return result;
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185 }
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186
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187 int getLastLirInstructionId(AbstractBlock<?> block) {
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188 List<LIRInstruction> instructions = ir.getLIRforBlock(block);
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189 int result = instructions.get(instructions.size() - 1).id();
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190 assert result >= 0;
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191 return result;
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192 }
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193
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194 public static boolean isVariableOrRegister(Value value) {
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195 return isVariable(value) || isRegister(value);
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196 }
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197
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198 /**
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199 * Converts an operand (variable or register) to an index in a flat address space covering all
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200 * the {@linkplain Variable variables} and {@linkplain RegisterValue registers} being processed
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201 * by this allocator.
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202 */
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203 private int operandNumber(Value operand) {
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204 if (isRegister(operand)) {
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205 int number = asRegister(operand).number;
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206 assert number < firstVariableNumber;
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207 return number;
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208 }
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209 assert isVariable(operand) : operand;
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210 return firstVariableNumber + ((Variable) operand).index;
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211 }
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212
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213 /**
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214 * Gets the number of operands. This value will increase by 1 for new variable.
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215 */
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216 private int operandSize() {
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217 return firstVariableNumber + ir.numVariables();
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218 }
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219
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220 /**
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221 * Gets the highest operand number for a register operand. This value will never change.
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diff changeset
222 */
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223 int maxRegisterNumber() {
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224 return firstVariableNumber - 1;
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225 }
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226
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227 static final IntervalPredicate IS_PRECOLORED_INTERVAL = new IntervalPredicate() {
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diff changeset
228
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229 @Override
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230 public boolean apply(Interval i) {
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diff changeset
231 return isRegister(i.operand);
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232 }
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diff changeset
233 };
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234
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235 static final IntervalPredicate IS_VARIABLE_INTERVAL = new IntervalPredicate() {
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236
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237 @Override
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238 public boolean apply(Interval i) {
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diff changeset
239 return isVariable(i.operand);
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240 }
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241 };
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242
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diff changeset
243 static final IntervalPredicate IS_STACK_INTERVAL = new IntervalPredicate() {
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diff changeset
244
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245 @Override
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246 public boolean apply(Interval i) {
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diff changeset
247 return !isRegister(i.operand);
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248 }
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249 };
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250
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251 /**
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252 * Gets an object describing the attributes of a given register according to this register
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diff changeset
253 * configuration.
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254 */
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b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
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diff changeset
255 RegisterAttributes attributes(Register reg) {
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256 return registerAttributes[reg.number];
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257 }
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258
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259 void assignSpillSlot(Interval interval) {
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260 // assign the canonical spill slot of the parent (if a part of the interval
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diff changeset
261 // is already spilled) or allocate a new spill slot
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diff changeset
262 if (interval.canMaterialize()) {
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
263 interval.assignLocation(Value.ILLEGAL);
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
264 } else if (interval.spillSlot() != null) {
3733
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
265 interval.assignLocation(interval.spillSlot());
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
266 } else {
18425
b856446ff7e0 Introduce StackSlotValue and VirtualStackSlot.
Josef Eisl <josef.eisl@jku.at>
parents: 18420
diff changeset
267 VirtualStackSlot slot = frameMapBuilder.allocateSpillSlot(interval.kind());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
268 interval.setSpillSlot(slot);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
269 interval.assignLocation(slot);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
270 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
271 }
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parents:
diff changeset
272
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
273 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
274 * Creates a new interval.
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
275 *
3733
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276 * @param operand the operand for the interval
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
277 * @return the created interval
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
278 */
9297
a5f2b9012865 Interval locations can only be AllocatableValues.
Roland Schatz <roland.schatz@oracle.com>
parents: 8402
diff changeset
279 Interval createInterval(AllocatableValue operand) {
4183
9e0c1b4cfef5 Move all isXxx and asXxx out of CiValue and into their own util class.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4181
diff changeset
280 assert isLegal(operand);
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
281 int operandNumber = operandNumber(operand);
4352
5a84f5548fc4 More work on new debug infrastructure.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 4350
diff changeset
282 Interval interval = new Interval(operand, operandNumber);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
283 assert operandNumber < intervalsSize;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
284 assert intervals[operandNumber] == null;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
285 intervals[operandNumber] = interval;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
286 return interval;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
287 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
288
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
289 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
290 * Creates an interval as a result of splitting or spilling another interval.
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
291 *
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
292 * @param source an interval being split of spilled
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
293 * @return a new interval derived from {@code source}
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
294 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
295 Interval createDerivedInterval(Interval source) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
296 if (firstDerivedIntervalIndex == -1) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
297 firstDerivedIntervalIndex = intervalsSize;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
298 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
299 if (intervalsSize == intervals.length) {
15885
4d18c6bb6b3a LinearScan: Improve initialization and resizing of intervals array.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 15884
diff changeset
300 intervals = Arrays.copyOf(intervals, intervals.length + (intervals.length >> SPLIT_INTERVALS_CAPACITY_RIGHT_SHIFT));
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
301 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
302 intervalsSize++;
9425
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9422
diff changeset
303 Variable variable = new Variable(source.kind(), ir.nextVariable());
4206
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
304
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
305 Interval interval = createInterval(variable);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
306 assert intervals[intervalsSize - 1] == interval;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
307 return interval;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
308 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
309
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
310 // access to block list (sorted in linear scan order)
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
311 int blockCount() {
7501
799dd373fcb6 Remove caching of sorted blocks in LSRA.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7499
diff changeset
312 return sortedBlocks.size();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
313 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
314
14152
42013bd831d6 Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents: 14145
diff changeset
315 AbstractBlock<?> blockAt(int index) {
7501
799dd373fcb6 Remove caching of sorted blocks in LSRA.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7499
diff changeset
316 return sortedBlocks.get(index);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
317 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
318
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
319 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
320 * Gets the size of the {@link BlockData#liveIn} and {@link BlockData#liveOut} sets for a basic
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
321 * block. These sets do not include any operands allocated as a result of creating
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
322 * {@linkplain #createDerivedInterval(Interval) derived intervals}.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
323 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
324 int liveSetSize() {
4206
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
325 return firstDerivedIntervalIndex == -1 ? operandSize() : firstDerivedIntervalIndex;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
326 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
327
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
328 int numLoops() {
15107
1bf700e19e84 Make Loop generic.
Josef Eisl <josef.eisl@jku.at>
parents: 15026
diff changeset
329 return ir.getControlFlowGraph().getLoops().size();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
330 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
331
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
332 boolean isIntervalInLoop(int interval, int loop) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
333 return intervalInLoop.at(interval, loop);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
334 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
335
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
336 Interval intervalFor(int operandNumber) {
0e6f83eeb0ab Clean up in LinearScan: Remove the need for a mapping of variable index to variable object.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 15850
diff changeset
337 return intervals[operandNumber];
0e6f83eeb0ab Clean up in LinearScan: Remove the need for a mapping of variable index to variable object.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 15850
diff changeset
338 }
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
339
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
340 Interval intervalFor(Value operand) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
341 int operandNumber = operandNumber(operand);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
342 assert operandNumber < intervalsSize;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
343 return intervals[operandNumber];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
344 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
345
9297
a5f2b9012865 Interval locations can only be AllocatableValues.
Roland Schatz <roland.schatz@oracle.com>
parents: 8402
diff changeset
346 Interval getOrCreateInterval(AllocatableValue operand) {
8220
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
347 Interval ret = intervalFor(operand);
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
348 if (ret == null) {
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
349 return createInterval(operand);
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
350 } else {
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
351 return ret;
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
352 }
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
353 }
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
354
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
355 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
356 * Gets the highest instruction id allocated by this object.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
357 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
358 int maxOpId() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
359 assert opIdToInstructionMap.length > 0 : "no operations";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
360 return (opIdToInstructionMap.length - 1) << 1;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
361 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
362
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
363 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
364 * Converts an {@linkplain LIRInstruction#id instruction id} to an instruction index. All LIR
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
365 * instructions in a method have an index one greater than their linear-scan order predecesor
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
366 * with the first instruction having an index of 0.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
367 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
368 static int opIdToIndex(int opId) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
369 return opId >> 1;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
370 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
371
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
372 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
373 * Retrieves the {@link LIRInstruction} based on its {@linkplain LIRInstruction#id id}.
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
374 *
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
375 * @param opId an instruction {@linkplain LIRInstruction#id id}
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
376 * @return the instruction whose {@linkplain LIRInstruction#id} {@code == id}
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
377 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
378 LIRInstruction instructionForId(int opId) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
379 assert isEven(opId) : "opId not even";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
380 LIRInstruction instr = opIdToInstructionMap[opIdToIndex(opId)];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
381 assert instr.id() == opId;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
382 return instr;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
383 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
384
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
385 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
386 * Gets the block containing a given instruction.
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
387 *
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
388 * @param opId an instruction {@linkplain LIRInstruction#id id}
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
389 * @return the block containing the instruction denoted by {@code opId}
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
390 */
14152
42013bd831d6 Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents: 14145
diff changeset
391 AbstractBlock<?> blockForId(int opId) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
392 assert opIdToBlockMap.length > 0 && opId >= 0 && opId <= maxOpId() + 1 : "opId out of range";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
393 return opIdToBlockMap[opIdToIndex(opId)];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
394 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
395
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
396 boolean isBlockBegin(int opId) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
397 return opId == 0 || blockForId(opId) != blockForId(opId - 1);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
398 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
399
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
400 boolean coversBlockBegin(int opId1, int opId2) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
401 return blockForId(opId1) != blockForId(opId2);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
402 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
403
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
404 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
405 * Determines if an {@link LIRInstruction} destroys all caller saved registers.
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
406 *
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
407 * @param opId an instruction {@linkplain LIRInstruction#id id}
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
408 * @return {@code true} if the instruction denoted by {@code id} destroys all caller saved
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
409 * registers.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
410 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
411 boolean hasCall(int opId) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
412 assert isEven(opId) : "opId not even";
9454
85a836bcd796 renaming for improved clarity: hasCall -> destroysCallerSavedRegisters
Doug Simon <doug.simon@oracle.com>
parents: 9425
diff changeset
413 return instructionForId(opId).destroysCallerSavedRegisters();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
414 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
415
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
416 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
417 * Eliminates moves from register to stack if the stack slot is known to be correct.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
418 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
419 void changeSpillDefinitionPos(Interval interval, int defPos) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
420 assert interval.isSplitParent() : "can only be called for split parents";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
421
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
422 switch (interval.spillState()) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
423 case NoDefinitionFound:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
424 assert interval.spillDefinitionPos() == -1 : "must no be set before";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
425 interval.setSpillDefinitionPos(defPos);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
426 interval.setSpillState(SpillState.NoSpillStore);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
427 break;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
428
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
429 case NoSpillStore:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
430 assert defPos <= interval.spillDefinitionPos() : "positions are processed in reverse order when intervals are created";
6462
b3f5dc099f9d removed XIR
Doug Simon <doug.simon@oracle.com>
parents: 6411
diff changeset
431 if (defPos < interval.spillDefinitionPos() - 2) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
432 // second definition found, so no spill optimization possible for this interval
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
433 interval.setSpillState(SpillState.NoOptimization);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
434 } else {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
435 // two consecutive definitions (because of two-operand LIR form)
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
436 assert blockForId(defPos) == blockForId(interval.spillDefinitionPos()) : "block must be equal";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
437 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
438 break;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
439
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
440 case NoOptimization:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
441 // nothing to do
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
442 break;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
443
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
444 default:
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5542
diff changeset
445 throw new BailoutException("other states not allowed at this time");
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
446 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
447 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
448
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
449 // called during register allocation
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
450 void changeSpillState(Interval interval, int spillPos) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
451 switch (interval.spillState()) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
452 case NoSpillStore: {
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
453 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
454 int spillLoopDepth = blockForId(spillPos).getLoopDepth();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
455
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
456 if (defLoopDepth < spillLoopDepth) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
457 // 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
458 // 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
459 if (Options.LSRAOptimizeSpillPosition.getValue()) {
b100bd079fff LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents: 16361
diff changeset
460 // 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
461 interval.setSpillState(SpillState.SpillInDominator);
b100bd079fff LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents: 16361
diff changeset
462 } else {
b100bd079fff LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents: 16361
diff changeset
463 // 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
464 interval.setSpillState(SpillState.StoreAtDefinition);
b100bd079fff LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents: 16361
diff changeset
465 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
466 } else {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
467 // the interval is currently spilled only once, so for now there is no
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
468 // reason to store the interval at the definition
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
469 interval.setSpillState(SpillState.OneSpillStore);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
470 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
471 break;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
472 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
473
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
474 case OneSpillStore: {
16362
b100bd079fff LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents: 16361
diff changeset
475 if (Options.LSRAOptimizeSpillPosition.getValue()) {
b100bd079fff LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents: 16361
diff changeset
476 // the interval is spilled more then once
b100bd079fff LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents: 16361
diff changeset
477 interval.setSpillState(SpillState.SpillInDominator);
b100bd079fff LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents: 16361
diff changeset
478 } else {
b100bd079fff LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents: 16361
diff changeset
479 // it is better to store it to
b100bd079fff LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents: 16361
diff changeset
480 // memory at the definition
b100bd079fff LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents: 16361
diff changeset
481 interval.setSpillState(SpillState.StoreAtDefinition);
b100bd079fff LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents: 16361
diff changeset
482 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
483 break;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
484 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
485
16359
f686fae77383 LSRA spill optimization: rename SpillInDominator.MultipleSpills to SpillState.SpillInDominator.
Josef Eisl <josef.eisl@jku.at>
parents: 16358
diff changeset
486 case SpillInDominator:
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
487 case StoreAtDefinition:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
488 case StartInMemory:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
489 case NoOptimization:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
490 case NoDefinitionFound:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
491 // nothing to do
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
492 break;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
493
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
494 default:
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5542
diff changeset
495 throw new BailoutException("other states not allowed at this time");
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
496 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
497 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
498
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
499 abstract static class IntervalPredicate {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
500
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
501 abstract boolean apply(Interval i);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
502 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
503
16379
c5257d58b71a LSRA spill optimization: backout changesets obsoleted by eager spill move placement.
Josef Eisl <josef.eisl@jku.at>
parents: 16378
diff changeset
504 private static final IntervalPredicate mustStoreAtDefinition = new IntervalPredicate() {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
505
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
506 @Override
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
507 public boolean apply(Interval i) {
16379
c5257d58b71a LSRA spill optimization: backout changesets obsoleted by eager spill move placement.
Josef Eisl <josef.eisl@jku.at>
parents: 16378
diff changeset
508 return i.isSplitParent() && i.spillState() == SpillState.StoreAtDefinition;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
509 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
510 };
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
511
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
512 // called once before assignment of register numbers
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
513 void eliminateSpillMoves() {
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
514 try (Indent indent = Debug.logAndIndent("Eliminating unnecessary spill moves")) {
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
515
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
516 // collect all intervals that must be stored after their definition.
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
517 // the list is sorted by Interval.spillDefinitionPos
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
518 Interval interval;
16379
c5257d58b71a LSRA spill optimization: backout changesets obsoleted by eager spill move placement.
Josef Eisl <josef.eisl@jku.at>
parents: 16378
diff changeset
519 interval = createUnhandledLists(mustStoreAtDefinition, null).first;
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
520 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
521 checkIntervals(interval);
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
522 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
523
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
524 LIRInsertionBuffer insertionBuffer = new LIRInsertionBuffer();
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
525 for (AbstractBlock<?> block : sortedBlocks) {
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
526 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
527 int numInst = instructions.size();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
528
16379
c5257d58b71a LSRA spill optimization: backout changesets obsoleted by eager spill move placement.
Josef Eisl <josef.eisl@jku.at>
parents: 16378
diff changeset
529 // iterate all instructions of the block. skip the first
c5257d58b71a LSRA spill optimization: backout changesets obsoleted by eager spill move placement.
Josef Eisl <josef.eisl@jku.at>
parents: 16378
diff changeset
530 // because it is always a label
c5257d58b71a LSRA spill optimization: backout changesets obsoleted by eager spill move placement.
Josef Eisl <josef.eisl@jku.at>
parents: 16378
diff changeset
531 for (int j = 1; j < numInst; j++) {
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
532 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
533 int opId = op.id();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
534
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
535 if (opId == -1) {
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
536 MoveOp move = (MoveOp) op;
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
537 // 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
538 // correct.
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
539 // only moves that have been inserted by LinearScan can be removed.
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
540 assert isVariable(move.getResult()) : "LinearScan inserts only moves to variables";
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
541
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
542 Interval curInterval = intervalFor(move.getResult());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
543
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
544 if (!isRegister(curInterval.location()) && curInterval.alwaysInMemory()) {
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
545 // 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: 14841
diff changeset
546 // instruction
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
547 if (Debug.isLogEnabled()) {
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
548 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: 14841
diff changeset
549 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
550 // 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: 14841
diff changeset
551 instructions.set(j, null);
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
552 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
553
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
554 } else {
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
555 // insert move from register to stack just after
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
556 // the beginning of the interval
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
557 assert interval == Interval.EndMarker || interval.spillDefinitionPos() >= opId : "invalid order";
16379
c5257d58b71a LSRA spill optimization: backout changesets obsoleted by eager spill move placement.
Josef Eisl <josef.eisl@jku.at>
parents: 16378
diff changeset
558 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
559
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
560 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: 14841
diff changeset
561 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
562 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
563 // 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
564 // the block are processed)
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
565 insertionBuffer.init(instructions);
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
566 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
567
16379
c5257d58b71a LSRA spill optimization: backout changesets obsoleted by eager spill move placement.
Josef Eisl <josef.eisl@jku.at>
parents: 16378
diff changeset
568 AllocatableValue fromLocation = interval.location();
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
569 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
570
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
571 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
572 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
573
16379
c5257d58b71a LSRA spill optimization: backout changesets obsoleted by eager spill move placement.
Josef Eisl <josef.eisl@jku.at>
parents: 16378
diff changeset
574 insertionBuffer.append(j + 1, ir.getSpillMoveFactory().createMove(toLocation, fromLocation));
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
575
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
576 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: 14841
diff changeset
577 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
578 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
579 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
580 }
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
581 } // end of instruction iteration
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
582
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
583 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
584 insertionBuffer.finish();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
585 }
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
586 } // end of block iteration
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
587
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
588 assert interval == Interval.EndMarker : "missed an interval";
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
589 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
590 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
591
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
592 private static void checkIntervals(Interval interval) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
593 Interval prev = null;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
594 Interval temp = interval;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
595 while (temp != Interval.EndMarker) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
596 assert temp.spillDefinitionPos() > 0 : "invalid spill definition pos";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
597 if (prev != null) {
16379
c5257d58b71a LSRA spill optimization: backout changesets obsoleted by eager spill move placement.
Josef Eisl <josef.eisl@jku.at>
parents: 16378
diff changeset
598 assert temp.from() >= prev.from() : "intervals not sorted";
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
599 assert temp.spillDefinitionPos() >= prev.spillDefinitionPos() : "when intervals are sorted by from : then they must also be sorted by spillDefinitionPos";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
600 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
601
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
602 assert temp.spillSlot() != null || temp.canMaterialize() : "interval has no spill slot assigned";
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
603 assert temp.spillDefinitionPos() >= temp.from() : "invalid order";
16379
c5257d58b71a LSRA spill optimization: backout changesets obsoleted by eager spill move placement.
Josef Eisl <josef.eisl@jku.at>
parents: 16378
diff changeset
604 assert temp.spillDefinitionPos() <= temp.from() + 2 : "only intervals defined once at their start-pos can be optimized";
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
605
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
606 Debug.log("interval %d (from %d to %d) must be stored at %d", temp.operandNumber, temp.from(), temp.to(), temp.spillDefinitionPos());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
607
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
608 prev = temp;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
609 temp = temp.next;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
610 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
611 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
612
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
613 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
614 * Numbers all instructions in all blocks. The numbering follows the
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
615 * {@linkplain ComputeBlockOrder linear scan order}.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
616 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
617 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
618
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
619 intervalsSize = operandSize();
15885
4d18c6bb6b3a LinearScan: Improve initialization and resizing of intervals array.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 15884
diff changeset
620 intervals = new Interval[intervalsSize + (intervalsSize >> SPLIT_INTERVALS_CAPACITY_RIGHT_SHIFT)];
15884
0e6f83eeb0ab Clean up in LinearScan: Remove the need for a mapping of variable index to variable object.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 15850
diff changeset
621
17294
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
622 ValueConsumer setVariableConsumer = (value, mode, flags) -> {
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
623 if (isVariable(value)) {
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
624 getOrCreateInterval(asVariable(value));
4206
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
625 }
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
626 };
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
627
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
628 // Assign IDs to LIR nodes and build a mapping, lirOps, from ID to LIRInstruction node.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
629 int numInstructions = 0;
14152
42013bd831d6 Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents: 14145
diff changeset
630 for (AbstractBlock<?> block : sortedBlocks) {
14806
a8723f1ff542 LIR renamed setter and getter functions.
Josef Eisl <josef.eisl@jku.at>
parents: 14789
diff changeset
631 numInstructions += ir.getLIRforBlock(block).size();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
632 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
633
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
634 // initialize with correct length
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
635 opIdToInstructionMap = new LIRInstruction[numInstructions];
14789
1596a21c4194 Move remaining Block references in LinearScan to AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents: 14152
diff changeset
636 opIdToBlockMap = new AbstractBlock<?>[numInstructions];
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
637
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
638 int opId = 0;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
639 int index = 0;
14152
42013bd831d6 Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents: 14145
diff changeset
640 for (AbstractBlock<?> block : sortedBlocks) {
4435
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
641 blockData.put(block, new BlockData());
57cb8ec5f6bb Restructure block and control flow graph data structures
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4394
diff changeset
642
14806
a8723f1ff542 LIR renamed setter and getter functions.
Josef Eisl <josef.eisl@jku.at>
parents: 14789
diff changeset
643 List<LIRInstruction> instructions = ir.getLIRforBlock(block);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
644
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
645 int numInst = instructions.size();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
646 for (int j = 0; j < numInst; j++) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
647 LIRInstruction op = instructions.get(j);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
648 op.setId(opId);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
649
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
650 opIdToInstructionMap[index] = op;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
651 opIdToBlockMap[index] = block;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
652 assert instructionForId(opId) == op : "must match";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
653
16801
067dbd8e7114 Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents: 16796
diff changeset
654 op.visitEachTemp(setVariableConsumer);
067dbd8e7114 Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents: 16796
diff changeset
655 op.visitEachOutput(setVariableConsumer);
4206
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
656
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
657 index++;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
658 opId += 2; // numbering of lirOps by two
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
659 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
660 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
661 assert index == numInstructions : "must match";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
662 assert (index << 1) == opId : "must match: " + (index << 1);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
663 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
664
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
665 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
666 * Computes local live sets (i.e. {@link BlockData#liveGen} and {@link BlockData#liveKill})
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
667 * separately for each block.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
668 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
669 void computeLocalLiveSets() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
670 int liveSize = liveSetSize();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
671
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
672 intervalInLoop = new BitMap2D(operandSize(), numLoops());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
673
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
674 // iterate all blocks
14152
42013bd831d6 Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents: 14145
diff changeset
675 for (final AbstractBlock<?> block : sortedBlocks) {
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
676 try (Indent indent = Debug.logAndIndent("compute local live sets for block %d", block.getId())) {
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
677
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
678 final BitSet liveGen = new BitSet(liveSize);
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
679 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
680
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
681 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
682 int numInst = instructions.size();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
683
17294
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
684 ValueConsumer useConsumer = (operand, mode, flags) -> {
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
685 if (isVariable(operand)) {
15887
839ea165f816 LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 15886
diff changeset
686 int operandNum = operandNumber(operand);
839ea165f816 LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 15886
diff changeset
687 if (!liveKill.get(operandNum)) {
839ea165f816 LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 15886
diff changeset
688 liveGen.set(operandNum);
17294
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
689 Debug.log("liveGen for operand %d", operandNum);
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
690 }
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
691 if (block.getLoop() != null) {
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
692 intervalInLoop.setBit(operandNum, block.getLoop().getIndex());
15887
839ea165f816 LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 15886
diff changeset
693 }
839ea165f816 LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 15886
diff changeset
694 }
17294
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
695
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
696 if (DetailedAsserts.getValue()) {
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
697 verifyInput(block, liveKill, operand);
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
698 }
15887
839ea165f816 LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 15886
diff changeset
699 };
17294
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
700 ValueConsumer stateConsumer = (operand, mode, flags) -> {
18441
d11ce424f09d Allow updating HotSpotMonitorValue.slot.
Josef Eisl <josef.eisl@jku.at>
parents: 18439
diff changeset
701 if (isVariableOrRegister(operand)) {
d11ce424f09d Allow updating HotSpotMonitorValue.slot.
Josef Eisl <josef.eisl@jku.at>
parents: 18439
diff changeset
702 int operandNum = operandNumber(operand);
d11ce424f09d Allow updating HotSpotMonitorValue.slot.
Josef Eisl <josef.eisl@jku.at>
parents: 18439
diff changeset
703 if (!liveKill.get(operandNum)) {
d11ce424f09d Allow updating HotSpotMonitorValue.slot.
Josef Eisl <josef.eisl@jku.at>
parents: 18439
diff changeset
704 liveGen.set(operandNum);
d11ce424f09d Allow updating HotSpotMonitorValue.slot.
Josef Eisl <josef.eisl@jku.at>
parents: 18439
diff changeset
705 Debug.log("liveGen in state for operand %d", operandNum);
d11ce424f09d Allow updating HotSpotMonitorValue.slot.
Josef Eisl <josef.eisl@jku.at>
parents: 18439
diff changeset
706 }
17294
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
707 }
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
708 };
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
709 ValueConsumer defConsumer = (operand, mode, flags) -> {
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
710 if (isVariable(operand)) {
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
711 int varNum = operandNumber(operand);
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
712 liveKill.set(varNum);
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
713 Debug.log("liveKill for operand %d", varNum);
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
714 if (block.getLoop() != null) {
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
715 intervalInLoop.setBit(varNum, block.getLoop().getIndex());
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
716 }
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
717 }
15887
839ea165f816 LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 15886
diff changeset
718
17294
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
719 if (DetailedAsserts.getValue()) {
6d85dfeb6981 LSRA: replace anonymous ValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17293
diff changeset
720 // 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
721 // 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
722 // 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
723 verifyTemp(liveKill, operand);
15887
839ea165f816 LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 15886
diff changeset
724 }
839ea165f816 LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 15886
diff changeset
725 };
839ea165f816 LinearScan: Small cleanup.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 15886
diff changeset
726
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
727 // 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
728 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
729 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
730
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
731 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
732 op.visitEachInput(useConsumer);
067dbd8e7114 Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents: 16796
diff changeset
733 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
734 // 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
735 // information generation
16801
067dbd8e7114 Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents: 16796
diff changeset
736 op.visitEachState(stateConsumer);
067dbd8e7114 Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents: 16796
diff changeset
737 op.visitEachTemp(defConsumer);
067dbd8e7114 Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents: 16796
diff changeset
738 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
739 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
740 } // end of instruction iteration
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
741
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
742 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
743 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
744 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
745 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
746 blockSets.liveOut = new BitSet(liveSize);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
747
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
748 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
749 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
750
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
751 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
752 } // end of block iteration
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
753 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
754
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
755 private void verifyTemp(BitSet liveKill, Value operand) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
756 // 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
757 // they need not be processed in live sets
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
758 // 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
759 if (isRegister(operand)) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
760 if (isProcessed(operand)) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
761 liveKill.set(operandNumber(operand));
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
762 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
763 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
764 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
765
14152
42013bd831d6 Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents: 14145
diff changeset
766 private void verifyInput(AbstractBlock<?> block, BitSet liveKill, Value operand) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
767 // fixed intervals are never live at block boundaries, so
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
768 // they need not be processed in live sets.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
769 // 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
770 // the entry block may have incoming
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
771 // values in registers, which is ok.
14145
4ff08c0366ae Encapsulate LIR class fields.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 14142
diff changeset
772 if (isRegister(operand) && block != ir.getControlFlowGraph().getStartBlock()) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
773 if (isProcessed(operand)) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
774 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
775 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
776 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
777 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
778
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
779 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
780 * 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
781 * {@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
782 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
783 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
784 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
785 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
786 boolean changeOccurred;
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
787 boolean changeOccurredInBlock;
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
788 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
789 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
790
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
791 // 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
792 // 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
793 do {
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
794 changeOccurred = false;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
795
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
796 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
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 // 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
799 for (int i = numBlocks - 1; i >= 0; i--) {
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
800 AbstractBlock<?> block = blockAt(i);
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
801 BlockData blockSets = blockData.get(block);
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 changeOccurredInBlock = false;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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 // 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
806 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
807 if (n > 0) {
15850
9ce2ca72efef small cleanup in LinearScan
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15534
diff changeset
808 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
809 // 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
810 if (n > 0) {
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
811 for (AbstractBlock<?> successor : block.getSuccessors()) {
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
812 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
813 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
814 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
815
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
816 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
817 // 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
818 // 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
819 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
820 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
821 liveOut = temp;
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 changeOccurred = true;
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
824 changeOccurredInBlock = true;
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
825 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
826 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
827
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
828 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
829 // 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: 14841
diff changeset
830 // !liveKill(block))
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
831 // 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
832 // 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
833 BitSet liveIn = blockSets.liveIn;
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
834 liveIn.clear();
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
835 liveIn.or(blockSets.liveOut);
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
836 liveIn.andNot(blockSets.liveKill);
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
837 liveIn.or(blockSets.liveGen);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
838
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
839 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: 14841
diff changeset
840 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
841 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
842 iterationCount++;
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
843
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
844 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
845 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
846 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
847 }
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
848 } while (changeOccurred);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
849
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
850 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
851 verifyLiveness();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
852 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
853
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
854 // check that the liveIn set of the first block is empty
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
855 AbstractBlock<?> startBlock = ir.getControlFlowGraph().getStartBlock();
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
856 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
857 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
858 reportFailure(numBlocks);
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
859 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
860 // 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
861 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
862 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
863 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
864 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
865
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
866 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
867 try (Scope s = Debug.forceLog()) {
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
868 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
869
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
870 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
871 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
872 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
873 Interval interval = intervalFor(operandNum);
6e45ae59781c Let linear scan DetailedAsserts deal with missing intervals
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 16801
diff changeset
874 if (interval != null) {
6e45ae59781c Let linear scan DetailedAsserts deal with missing intervals
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 16801
diff changeset
875 Value operand = interval.operand;
19164
b215b88e215f Introduce LIRGenerationDebugContext.
Josef Eisl <josef.eisl@jku.at>
parents: 19163
diff changeset
876 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
877 } else {
6e45ae59781c Let linear scan DetailedAsserts deal with missing intervals
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 16801
diff changeset
878 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
879 }
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
880 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
881 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
882
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
883 // 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
884 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
885 Interval interval = intervalFor(operandNum);
6e45ae59781c Let linear scan DetailedAsserts deal with missing intervals
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 16801
diff changeset
886 Value operand = null;
19164
b215b88e215f Introduce LIRGenerationDebugContext.
Josef Eisl <josef.eisl@jku.at>
parents: 19163
diff changeset
887 Object valueForOperandFromDebugContext = null;
17070
6e45ae59781c Let linear scan DetailedAsserts deal with missing intervals
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 16801
diff changeset
888 if (interval != null) {
6e45ae59781c Let linear scan DetailedAsserts deal with missing intervals
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 16801
diff changeset
889 operand = interval.operand;
19164
b215b88e215f Introduce LIRGenerationDebugContext.
Josef Eisl <josef.eisl@jku.at>
parents: 19163
diff changeset
890 valueForOperandFromDebugContext = getSourceForOperandFromDebugContext(operand);
17070
6e45ae59781c Let linear scan DetailedAsserts deal with missing intervals
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 16801
diff changeset
891 }
6e45ae59781c Let linear scan DetailedAsserts deal with missing intervals
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 16801
diff changeset
892 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
893
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
894 Deque<AbstractBlock<?>> definedIn = new ArrayDeque<>();
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
895 HashSet<AbstractBlock<?>> usedIn = new HashSet<>();
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
896 for (AbstractBlock<?> block : sortedBlocks) {
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
897 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
898 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
899 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
900 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
901 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
902 ins.forEachState((liveStateOperand, mode, flags) -> {
4c31d6e44c18 LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17291
diff changeset
903 Debug.log("operand=%s", liveStateOperand);
4c31d6e44c18 LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17291
diff changeset
904 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
905 });
14109
85969b1aba78 Use a forceLog scope for LinearScan.reportFailure. Remove @SuppressWarnings on DebugScope.scope
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 14070
diff changeset
906 }
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
907 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
908 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
909 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
910 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
911 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
912 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
913 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
914 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
915 }
14109
85969b1aba78 Use a forceLog scope for LinearScan.reportFailure. Remove @SuppressWarnings on DebugScope.scope
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 14070
diff changeset
916 }
85969b1aba78 Use a forceLog scope for LinearScan.reportFailure. Remove @SuppressWarnings on DebugScope.scope
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 14070
diff changeset
917 }
85969b1aba78 Use a forceLog scope for LinearScan.reportFailure. Remove @SuppressWarnings on DebugScope.scope
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 14070
diff changeset
918 }
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
919
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
920 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
921
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
922 while (!definedIn.isEmpty()) {
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
923 AbstractBlock<?> block = definedIn.removeFirst();
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
924 usedIn.remove(block);
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
925 for (AbstractBlock<?> successor : block.getSuccessors()) {
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
926 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
927 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
928 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
929 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
930 } else {
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
931 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
932 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
933 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
934 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
935 }
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 try (Indent indent3 = Debug.logAndIndent("**** offending usages are in: ")) {
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
938 for (AbstractBlock<?> block : usedIn) {
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
939 Debug.log("B%d", block.getId());
12569
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
940 }
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
941 }
12569
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
942 }
1c8d5a0891b5 improved error reporting in LSRA
Doug Simon <doug.simon@oracle.com>
parents: 11537
diff changeset
943 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
944 }
17211
1ac6b4879443 Enforce catch-blocks for Debug.Scopes with context objects.
Josef Eisl <josef.eisl@jku.at>
parents: 17195
diff changeset
945 } catch (Throwable e) {
1ac6b4879443 Enforce catch-blocks for Debug.Scopes with context objects.
Josef Eisl <josef.eisl@jku.at>
parents: 17195
diff changeset
946 throw Debug.handle(e);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
947 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
948 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
949
7501
799dd373fcb6 Remove caching of sorted blocks in LSRA.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7499
diff changeset
950 private void verifyLiveness() {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
951 // 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
952 // (live set must be empty at fixed intervals)
14152
42013bd831d6 Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents: 14145
diff changeset
953 for (AbstractBlock<?> block : sortedBlocks) {
4206
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
954 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
955 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
956 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
957 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
958 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
959 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
960 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
961
16094
c0b8d395368b Introduce LIRKind to accurately track oop references in backend.
Roland Schatz <roland.schatz@oracle.com>
parents: 15927
diff changeset
962 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
963 if (!isProcessed(operand)) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
964 return;
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
8220
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
967 Interval interval = getOrCreateInterval(operand);
16118
5cbaad0b7387 Verify usage of equals method in LIRKind.
Roland Schatz <roland.schatz@oracle.com>
parents: 16094
diff changeset
968 if (!kind.equals(LIRKind.Illegal)) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
969 interval.setKind(kind);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
970 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
971
4206
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
972 interval.addRange(from, to);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
973
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
974 // Register use position at even instruction id.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
975 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
976
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
977 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
978 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
979
16094
c0b8d395368b Introduce LIRKind to accurately track oop references in backend.
Roland Schatz <roland.schatz@oracle.com>
parents: 15927
diff changeset
980 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
981 if (!isProcessed(operand)) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
982 return;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
983 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
984
8220
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
985 Interval interval = getOrCreateInterval(operand);
16118
5cbaad0b7387 Verify usage of equals method in LIRKind.
Roland Schatz <roland.schatz@oracle.com>
parents: 16094
diff changeset
986 if (!kind.equals(LIRKind.Illegal)) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
987 interval.setKind(kind);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
988 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
989
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
990 interval.addRange(tempPos, tempPos + 1);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
991 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
992 interval.addMaterializationValue(null);
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
993
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
994 Debug.log("add 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
995 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
996
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
997 boolean isProcessed(Value operand) {
5552
69a8969dbf40 Reduce public fields in api.code project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5547
diff changeset
998 return !isRegister(operand) || attributes(asRegister(operand)).isAllocatable();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
999 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1000
16094
c0b8d395368b Introduce LIRKind to accurately track oop references in backend.
Roland Schatz <roland.schatz@oracle.com>
parents: 15927
diff changeset
1001 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
1002 if (!isProcessed(operand)) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1003 return;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1004 }
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1005 int defPos = op.id();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1006
8220
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1007 Interval interval = getOrCreateInterval(operand);
16118
5cbaad0b7387 Verify usage of equals method in LIRKind.
Roland Schatz <roland.schatz@oracle.com>
parents: 16094
diff changeset
1008 if (!kind.equals(LIRKind.Illegal)) {
8220
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1009 interval.setKind(kind);
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1010 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1011
8220
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1012 Range r = interval.first();
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1013 if (r.from <= defPos) {
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1014 // 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
1015 // 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
1016 r.from = defPos;
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1017 interval.addUsePos(defPos, registerPriority);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1018
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1019 } else {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1020 // Dead value - make vacuous interval
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1021 // also add register priority for dead intervals
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1022 interval.addRange(defPos, defPos + 1);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1023 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
1024 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
1025 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1026
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1027 changeSpillDefinitionPos(interval, defPos);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1028 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
1029 // detection of method-parameters and roundfp-results
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1030 interval.setSpillState(SpillState.StartInMemory);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1031 }
14070
a8a82c6e2981 Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents: 14057
diff changeset
1032 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
1033
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1034 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
1035 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1036
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1037 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1038 * 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
1039 */
4206
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
1040 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
1041 if (op instanceof MoveOp) {
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
1042 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
1043 if (optimizeMethodArgument(move.getInput())) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1044 return RegisterPriority.None;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1045 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1046 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1047
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1048 // all other operands require a register
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1049 return RegisterPriority.MustHaveRegister;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1050 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1051
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1052 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1053 * 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
1054 * register.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1055 */
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1056 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
1057 if (flags.contains(OperandFlag.STACK)) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1058 return RegisterPriority.ShouldHaveRegister;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1059 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1060 // all other operands require a register
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1061 return RegisterPriority.MustHaveRegister;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1062 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1063
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
1064 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
1065 /*
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
1066 * 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
1067 * 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
1068 */
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
1069 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
1070 }
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
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1072 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1073 * 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
1074 * 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
1075 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1076 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
1077 if (op instanceof MoveOp) {
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
1078 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
1079 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
1080 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
1081 if (DetailedAsserts.getValue()) {
4323
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
1082 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
1083 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
1084 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
1085
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
1086 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
1087 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1088
4323
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
1089 Interval interval = intervalFor(move.getResult());
4213
e4cfa571d8c4 Do not emit stack-to-stack moves.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4207
diff changeset
1090 interval.setSpillSlot(slot);
e4cfa571d8c4 Do not emit stack-to-stack moves.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4207
diff changeset
1091 interval.assignLocation(slot);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1092 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1093 }
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
8220
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1096 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
1097 if (flags.contains(OperandFlag.HINT) && isVariableOrRegister(targetValue)) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1098
17292
4c31d6e44c18 LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17291
diff changeset
1099 op.forEachRegisterHint(targetValue, mode, (registerHint, valueMode, valueFlags) -> {
4c31d6e44c18 LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17291
diff changeset
1100 if (isVariableOrRegister(registerHint)) {
4c31d6e44c18 LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17291
diff changeset
1101 Interval from = getOrCreateInterval((AllocatableValue) registerHint);
4c31d6e44c18 LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17291
diff changeset
1102 Interval to = getOrCreateInterval((AllocatableValue) targetValue);
8220
2c5df42999dd Fix hinting in register allocator.
Roland Schatz <roland.schatz@oracle.com>
parents: 7648
diff changeset
1103
17292
4c31d6e44c18 LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17291
diff changeset
1104 /* hints always point from def to use */
4c31d6e44c18 LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17291
diff changeset
1105 if (hintAtDef) {
4c31d6e44c18 LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17291
diff changeset
1106 to.setLocationHint(from);
4c31d6e44c18 LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17291
diff changeset
1107 } else {
4c31d6e44c18 LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17291
diff changeset
1108 from.setLocationHint(to);
4c31d6e44c18 LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17291
diff changeset
1109 }
4c31d6e44c18 LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17291
diff changeset
1110 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
1111
17292
4c31d6e44c18 LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17291
diff changeset
1112 return registerHint;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1113 }
17292
4c31d6e44c18 LSRA: replace anonymous ValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17291
diff changeset
1114 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
1115 });
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1116 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1117 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1118
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1119 void buildIntervals() {
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1120
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1121 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
1122 InstructionValueConsumer outputConsumer = (op, operand, mode, flags) -> {
6855e4c325d0 LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17292
diff changeset
1123 if (isVariableOrRegister(operand)) {
6855e4c325d0 LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17292
diff changeset
1124 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
1125 addRegisterHint(op, operand, mode, flags, true);
16138
f315b1c0a590 Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents: 16118
diff changeset
1126 }
f315b1c0a590 Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents: 16118
diff changeset
1127 };
f315b1c0a590 Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents: 16118
diff changeset
1128
17293
6855e4c325d0 LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17292
diff changeset
1129 InstructionValueConsumer tempConsumer = (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 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
1132 addRegisterHint(op, operand, mode, flags, false);
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 aliveConsumer = (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 RegisterPriority p = registerPriorityOfInputOperand(flags);
6855e4c325d0 LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17292
diff changeset
1139 int opId = op.id();
6855e4c325d0 LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17292
diff changeset
1140 int blockFrom = getFirstLirInstructionId((blockForId(opId)));
6855e4c325d0 LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17292
diff changeset
1141 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
1142 addRegisterHint(op, operand, mode, flags, false);
16138
f315b1c0a590 Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents: 16118
diff changeset
1143 }
f315b1c0a590 Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents: 16118
diff changeset
1144 };
f315b1c0a590 Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents: 16118
diff changeset
1145
17293
6855e4c325d0 LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17292
diff changeset
1146 InstructionValueConsumer inputConsumer = (op, operand, mode, flags) -> {
6855e4c325d0 LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17292
diff changeset
1147 if (isVariableOrRegister(operand)) {
6855e4c325d0 LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17292
diff changeset
1148 int opId = op.id();
6855e4c325d0 LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17292
diff changeset
1149 int blockFrom = getFirstLirInstructionId((blockForId(opId)));
6855e4c325d0 LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17292
diff changeset
1150 RegisterPriority p = registerPriorityOfInputOperand(flags);
6855e4c325d0 LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17292
diff changeset
1151 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
1152 addRegisterHint(op, operand, mode, flags, false);
16138
f315b1c0a590 Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents: 16118
diff changeset
1153 }
f315b1c0a590 Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents: 16118
diff changeset
1154 };
f315b1c0a590 Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents: 16118
diff changeset
1155
17293
6855e4c325d0 LSRA: replace anonymous InstructionValueConsumers with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17292
diff changeset
1156 InstructionValueConsumer stateProc = (op, operand, mode, flags) -> {
18441
d11ce424f09d Allow updating HotSpotMonitorValue.slot.
Josef Eisl <josef.eisl@jku.at>
parents: 18439
diff changeset
1157 if (isVariableOrRegister(operand)) {
d11ce424f09d Allow updating HotSpotMonitorValue.slot.
Josef Eisl <josef.eisl@jku.at>
parents: 18439
diff changeset
1158 int opId = op.id();
d11ce424f09d Allow updating HotSpotMonitorValue.slot.
Josef Eisl <josef.eisl@jku.at>
parents: 18439
diff changeset
1159 int blockFrom = getFirstLirInstructionId((blockForId(opId)));
d11ce424f09d Allow updating HotSpotMonitorValue.slot.
Josef Eisl <josef.eisl@jku.at>
parents: 18439
diff changeset
1160 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
1161 }
16138
f315b1c0a590 Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents: 16118
diff changeset
1162 };
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1163
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1164 // 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
1165 Register[] callerSaveRegs = frameMapBuilder.getRegisterConfig().getCallerSaveRegisters();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1166
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1167 // 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
1168 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
1169
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1170 AbstractBlock<?> block = blockAt(i);
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1171 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
1172
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1173 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
1174 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
1175 int blockTo = getLastLirInstructionId(block);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1176
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1177 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
1178 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
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 // 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
1181 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
1182 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
1183 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
1184 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
1185 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
1186
16094
c0b8d395368b Introduce LIRKind to accurately track oop references in backend.
Roland Schatz <roland.schatz@oracle.com>
parents: 15927
diff changeset
1187 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
1188
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1189 // 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
1190 // 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
1191 // 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
1192 // have an invalid loop index.
15534
4bd6ad45ee0a Encapsulate members of Loop.
Josef Eisl <josef.eisl@jku.at>
parents: 15193
diff changeset
1193 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
1194 intervalFor(operandNum).addUsePos(blockTo + 1, RegisterPriority.LiveAtLoopEnd);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1195 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1196 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1197
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1198 // 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
1199 // 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
1200 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
1201 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
1202 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
1203
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1204 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
1205
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1206 // 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
1207 // 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
1208 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
1209 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
1210 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
1211 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
1212 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1213 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1214 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
1215 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1216
16801
067dbd8e7114 Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents: 16796
diff changeset
1217 op.visitEachOutput(outputConsumer);
067dbd8e7114 Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents: 16796
diff changeset
1218 op.visitEachTemp(tempConsumer);
067dbd8e7114 Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents: 16796
diff changeset
1219 op.visitEachAlive(aliveConsumer);
067dbd8e7114 Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents: 16796
diff changeset
1220 op.visitEachInput(inputConsumer);
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1221
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1222 // 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
1223 // 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
1224 // 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
1225 // 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
1226 // the call otherwise)
16801
067dbd8e7114 Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents: 16796
diff changeset
1227 op.visitEachState(stateProc);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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 // 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
1230 handleMethodArguments(op);
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1231
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1232 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1233
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1234 } // 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
1235 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1236 } // 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
1237
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1238 // 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
1239 // 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
1240 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
1241 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
1242 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
1243 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1244 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1245 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1246 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1247
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1248 // * Phase 5: actual register allocation
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1249
4142
bc8527f3071c Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 3733
diff changeset
1250 private static boolean isSorted(Interval[] intervals) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1251 int from = -1;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1252 for (Interval interval : intervals) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1253 assert interval != null;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1254 assert from <= interval.from();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1255 from = interval.from();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1256 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1257 return true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1258 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1259
4142
bc8527f3071c Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 3733
diff changeset
1260 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
1261 Interval newFirst = first;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1262 if (prev != null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1263 prev.next = interval;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1264 } else {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1265 newFirst = interval;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1266 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1267 return newFirst;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1268 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1269
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1270 Interval.Pair createUnhandledLists(IntervalPredicate isList1, IntervalPredicate isList2) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1271 assert isSorted(sortedIntervals) : "interval list is not sorted";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1272
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1273 Interval list1 = Interval.EndMarker;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1274 Interval list2 = Interval.EndMarker;
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 Interval list1Prev = null;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1277 Interval list2Prev = null;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1278 Interval v;
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 int n = sortedIntervals.length;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1281 for (int i = 0; i < n; i++) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1282 v = sortedIntervals[i];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1283 if (v == null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1284 continue;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1285 }
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 if (isList1.apply(v)) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1288 list1 = addToList(list1, list1Prev, v);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1289 list1Prev = v;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1290 } else if (isList2 == null || isList2.apply(v)) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1291 list2 = addToList(list2, list2Prev, v);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1292 list2Prev = v;
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 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1295
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1296 if (list1Prev != null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1297 list1Prev.next = Interval.EndMarker;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1298 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1299 if (list2Prev != null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1300 list2Prev.next = Interval.EndMarker;
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 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
1304 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
1305
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1306 return new Interval.Pair(list1, list2);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1307 }
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 void sortIntervalsBeforeAllocation() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1310 int sortedLen = 0;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1311 for (Interval interval : intervals) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1312 if (interval != null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1313 sortedLen++;
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
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1317 Interval[] sortedList = new Interval[sortedLen];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1318 int sortedIdx = 0;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1319 int sortedFromMax = -1;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1320
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1321 // 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
1322 // 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
1323 for (Interval interval : intervals) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1324 if (interval != null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1325 int from = interval.from();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1326
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1327 if (sortedFromMax <= from) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1328 sortedList[sortedIdx++] = interval;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1329 sortedFromMax = interval.from();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1330 } else {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1331 // 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
1332 // so this interval must be sorted in manually
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1333 int j;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1334 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
1335 sortedList[j + 1] = sortedList[j];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1336 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1337 sortedList[j + 1] = interval;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1338 sortedIdx++;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1339 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1340 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1341 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1342 sortedIntervals = sortedList;
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
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1345 void sortIntervalsAfterAllocation() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1346 if (firstDerivedIntervalIndex == -1) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1347 // 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
1348 return;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1349 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1350
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1351 Interval[] oldList = sortedIntervals;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1352 Interval[] newList = Arrays.copyOfRange(intervals, firstDerivedIntervalIndex, intervalsSize);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1353 int oldLen = oldList.length;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1354 int newLen = newList.length;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1355
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1356 // 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
1357 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
1358
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1359 // 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
1360 Interval[] combinedList = new Interval[oldLen + newLen];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1361 int oldIdx = 0;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1362 int newIdx = 0;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1363
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1364 while (oldIdx + newIdx < combinedList.length) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1365 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
1366 combinedList[oldIdx + newIdx] = oldList[oldIdx];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1367 oldIdx++;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1368 } else {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1369 combinedList[oldIdx + newIdx] = newList[newIdx];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1370 newIdx++;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1371 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1372 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1373
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1374 sortedIntervals = combinedList;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1375 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1376
19212
95a7954ea155 Add LinearScanPhase.
Josef Eisl <josef.eisl@jku.at>
parents: 19166
diff changeset
1377 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
1378 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
1379 Interval precoloredIntervals;
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1380 Interval notPrecoloredIntervals;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1381
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1382 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
1383 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
1384 notPrecoloredIntervals = result.second;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1385
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1386 // allocate cpu registers
15927
96229f219351 LSRA: add OptimizingLinearScanWalker.
Josef Eisl <josef.eisl@jku.at>
parents: 15920
diff changeset
1387 LinearScanWalker lsw;
96229f219351 LSRA: add OptimizingLinearScanWalker.
Josef Eisl <josef.eisl@jku.at>
parents: 15920
diff changeset
1388 if (OptimizingLinearScanWalker.Options.LSRAOptimization.getValue()) {
96229f219351 LSRA: add OptimizingLinearScanWalker.
Josef Eisl <josef.eisl@jku.at>
parents: 15920
diff changeset
1389 lsw = new OptimizingLinearScanWalker(this, precoloredIntervals, notPrecoloredIntervals);
96229f219351 LSRA: add OptimizingLinearScanWalker.
Josef Eisl <josef.eisl@jku.at>
parents: 15920
diff changeset
1390 } else {
96229f219351 LSRA: add OptimizingLinearScanWalker.
Josef Eisl <josef.eisl@jku.at>
parents: 15920
diff changeset
1391 lsw = new LinearScanWalker(this, precoloredIntervals, notPrecoloredIntervals);
96229f219351 LSRA: add OptimizingLinearScanWalker.
Josef Eisl <josef.eisl@jku.at>
parents: 15920
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 lsw.walk();
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1394 lsw.finishAllocation();
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1395 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1396 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1397
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1398 // * Phase 6: resolve data flow
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1399 // (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
1400
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1401 // 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
1402 // instead of returning null
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1403 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
1404 Interval result = interval.getSplitChildAtOpId(opId, mode, this);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1405
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1406 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
1407 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
1408 return result;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1409 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1410
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5542
diff changeset
1411 throw new BailoutException("LinearScan: interval is null");
3733
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
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
1414 Interval intervalAtBlockBegin(AbstractBlock<?> block, int operandNumber) {
0e6f83eeb0ab Clean up in LinearScan: Remove the need for a mapping of variable index to variable object.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 15850
diff changeset
1415 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
1416 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1417
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
1418 Interval intervalAtBlockEnd(AbstractBlock<?> block, int operandNumber) {
0e6f83eeb0ab Clean up in LinearScan: Remove the need for a mapping of variable index to variable object.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 15850
diff changeset
1419 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
1420 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1421
14152
42013bd831d6 Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents: 14145
diff changeset
1422 void resolveCollectMappings(AbstractBlock<?> fromBlock, AbstractBlock<?> toBlock, MoveResolver moveResolver) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1423 assert moveResolver.checkEmpty();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1424
4206
430b5db3e6f8 Remove CiVariable from the CRI
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4199
diff changeset
1425 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
1426 BitSet liveAtEdge = blockData.get(toBlock).liveIn;
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 // 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
1429 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
1430 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
1431 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
1432
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
1433 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
1434 Interval toInterval = intervalAtBlockBegin(toBlock, operandNum);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1435
9632
97db51025787 Value: use `equals()' instead of object equality
Bernhard Urban <bernhard.urban@jku.at>
parents: 9628
diff changeset
1436 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
1437 // need to insert move instruction
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1438 moveResolver.addMapping(fromInterval, toInterval);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1439 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1440 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1441 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1442
14152
42013bd831d6 Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents: 14145
diff changeset
1443 void resolveFindInsertPos(AbstractBlock<?> fromBlock, AbstractBlock<?> toBlock, MoveResolver moveResolver) {
7497
0f8c6dbf68be Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6582
diff changeset
1444 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
1445 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
1446
14806
a8723f1ff542 LIR renamed setter and getter functions.
Josef Eisl <josef.eisl@jku.at>
parents: 14789
diff changeset
1447 List<LIRInstruction> instructions = ir.getLIRforBlock(fromBlock);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1448 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
1449 if (instr instanceof StandardOp.JumpOp) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1450 // 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
1451 moveResolver.setInsertPosition(instructions, instructions.size() - 1);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1452 } 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
1453 moveResolver.setInsertPosition(instructions, instructions.size());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1454 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1455
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1456 } 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
1457 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
1458
9855
6898d8995866 converted more options from GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 9632
diff changeset
1459 if (DetailedAsserts.getValue()) {
14806
a8723f1ff542 LIR renamed setter and getter functions.
Josef Eisl <josef.eisl@jku.at>
parents: 14789
diff changeset
1460 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
1461
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1462 // 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
1463 // 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
1464 // 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
1465 // that all predecessors will be the same.
14152
42013bd831d6 Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents: 14145
diff changeset
1466 for (AbstractBlock<?> predecessor : toBlock.getPredecessors()) {
7497
0f8c6dbf68be Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6582
diff changeset
1467 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
1468 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1469 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1470
14806
a8723f1ff542 LIR renamed setter and getter functions.
Josef Eisl <josef.eisl@jku.at>
parents: 14789
diff changeset
1471 moveResolver.setInsertPosition(ir.getLIRforBlock(toBlock), 1);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1472 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1473 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1474
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 * 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
1477 * have been split.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1478 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1479 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
1480 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
1481
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1482 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
1483 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
1484 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
1485 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
1486
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1487 for (AbstractBlock<?> block : sortedBlocks) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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 // 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
1490 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
1491 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
1492 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
1493 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
1494
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1495 // 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
1496 if (instructions.size() == 2) {
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1497 AbstractBlock<?> pred = block.getPredecessors().iterator().next();
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1498 AbstractBlock<?> sux = block.getSuccessors().iterator().next();
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1499
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1500 // 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
1501 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
1502 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
1503
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1504 blockCompleted.set(block.getLinearScanNumber());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1505
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1506 // 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
1507 // 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
1508 // between)
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1509 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
1510 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
1511 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
1512 moveResolver.resolveAndAppendMoves();
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1513 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1514 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1515 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1516 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1517 }
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
1518
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1519 for (AbstractBlock<?> fromBlock : sortedBlocks) {
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1520 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
1521 alreadyResolved.clear();
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1522 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
1523
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1524 for (AbstractBlock<?> toBlock : fromBlock.getSuccessors()) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1525
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1526 // 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
1527 // blocks)
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1528 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
1529 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
1530
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1531 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
1532
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1533 // 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
1534 // 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
1535 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
1536 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
1537 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
1538 moveResolver.resolveAndAppendMoves();
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1539 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1540 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1541 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1542 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1543 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1544 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1545 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1546
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1547 // * Phase 7: assign register numbers back to LIR
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1548 // (includes computation of debug information and oop maps)
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1549
18425
b856446ff7e0 Introduce StackSlotValue and VirtualStackSlot.
Josef Eisl <josef.eisl@jku.at>
parents: 18420
diff changeset
1550 static StackSlotValue canonicalSpillOpr(Interval interval) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1551 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
1552 return interval.spillSlot();
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
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1555 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1556 * 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
1557 *
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1558 * @param operand an LIR instruction operand
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1559 * @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
1560 * @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
1561 * @return the location assigned for the operand
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1562 */
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
1563 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
1564 Interval interval = intervalFor(operand);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1565 assert interval != null : "interval must exist";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1566
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1567 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
1568 if (DetailedAsserts.getValue()) {
14152
42013bd831d6 Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents: 14145
diff changeset
1569 AbstractBlock<?> block = blockForId(opId);
7497
0f8c6dbf68be Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6582
diff changeset
1570 if (block.getSuccessorCount() <= 1 && opId == getLastLirInstructionId(block)) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1571 // 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
1572 // 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
1573 // would
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1574 // be incorrect.
14806
a8723f1ff542 LIR renamed setter and getter functions.
Josef Eisl <josef.eisl@jku.at>
parents: 14789
diff changeset
1575 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
1576 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
1577 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
1578 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
1579 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1580 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1581 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1582 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1583
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1584 // 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
1585 // so search the right interval here
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1586 interval = splitChildAtOpId(interval, opId, mode);
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
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1589 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
1590 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
1591 return interval.getMaterializedValue();
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1592 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1593 return interval.location();
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
13377
40530019af02 enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13376
diff changeset
1596 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
1597 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
1598 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
1599
40530019af02 enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13376
diff changeset
1600 if (opId != -1) {
40530019af02 enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13376
diff changeset
1601 // 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
1602 // 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
1603 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
1604 }
40530019af02 enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13376
diff changeset
1605
40530019af02 enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13376
diff changeset
1606 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
1607 }
40530019af02 enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13376
diff changeset
1608
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1609 protected IntervalWalker initIntervalWalker(IntervalPredicate predicate) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1610 // setup lists of potential oops for walking
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1611 Interval oopIntervals;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1612 Interval nonOopIntervals;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1613
13340
9423a38d6437 added rematerialization of constants in LinearScan, but still disabled
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13339
diff changeset
1614 oopIntervals = createUnhandledLists(predicate, null).first;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1615
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1616 // 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
1617 // 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
1618 // 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
1619 nonOopIntervals = new Interval(Value.ILLEGAL, -1);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1620 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
1621
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1622 return new IntervalWalker(this, oopIntervals, nonOopIntervals);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1623 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1624
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5536
diff changeset
1625 private boolean isCallerSave(Value operand) {
5552
69a8969dbf40 Reduce public fields in api.code project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5547
diff changeset
1626 return attributes(asRegister(operand)).isCallerSave();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1627 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1628
17413
0a2e65e74a9c LRSA: minor clean ups around debugInfoProcedure().
Josef Eisl <josef.eisl@jku.at>
parents: 17298
diff changeset
1629 /**
0a2e65e74a9c LRSA: minor clean ups around debugInfoProcedure().
Josef Eisl <josef.eisl@jku.at>
parents: 17298
diff changeset
1630 * @param op
0a2e65e74a9c LRSA: minor clean ups around debugInfoProcedure().
Josef Eisl <josef.eisl@jku.at>
parents: 17298
diff changeset
1631 * @param operand
0a2e65e74a9c LRSA: minor clean ups around debugInfoProcedure().
Josef Eisl <josef.eisl@jku.at>
parents: 17298
diff changeset
1632 * @param valueMode
0a2e65e74a9c LRSA: minor clean ups around debugInfoProcedure().
Josef Eisl <josef.eisl@jku.at>
parents: 17298
diff changeset
1633 * @param flags
0a2e65e74a9c LRSA: minor clean ups around debugInfoProcedure().
Josef Eisl <josef.eisl@jku.at>
parents: 17298
diff changeset
1634 * @see InstructionValueProcedure#doValue(LIRInstruction, Value, OperandMode, EnumSet)
0a2e65e74a9c LRSA: minor clean ups around debugInfoProcedure().
Josef Eisl <josef.eisl@jku.at>
parents: 17298
diff changeset
1635 */
17298
831e96d0777d Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents: 17297
diff changeset
1636 private Value debugInfoProcedure(LIRInstruction op, Value operand, OperandMode valueMode, EnumSet<OperandFlag> flags) {
18610
6a6291c31657 Add LocationMarker.
Josef Eisl <josef.eisl@jku.at>
parents: 18512
diff changeset
1637 if (isVirtualStackSlot(operand)) {
6a6291c31657 Add LocationMarker.
Josef Eisl <josef.eisl@jku.at>
parents: 18512
diff changeset
1638 return operand;
6a6291c31657 Add LocationMarker.
Josef Eisl <josef.eisl@jku.at>
parents: 18512
diff changeset
1639 }
17298
831e96d0777d Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents: 17297
diff changeset
1640 int tempOpId = op.id();
831e96d0777d Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents: 17297
diff changeset
1641 OperandMode mode = OperandMode.USE;
831e96d0777d Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents: 17297
diff changeset
1642 AbstractBlock<?> block = blockForId(tempOpId);
831e96d0777d Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents: 17297
diff changeset
1643 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
1644 // 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
1645 // 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
1646 // 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
1647 // are not
831e96d0777d Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents: 17297
diff changeset
1648 // 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
1649 // 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
1650 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
1651 if (instr instanceof StandardOp.JumpOp) {
831e96d0777d Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents: 17297
diff changeset
1652 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
1653 tempOpId = getFirstLirInstructionId(block.getSuccessors().iterator().next());
831e96d0777d Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents: 17297
diff changeset
1654 mode = OperandMode.DEF;
16138
f315b1c0a590 Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents: 16118
diff changeset
1655 }
f315b1c0a590 Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents: 16118
diff changeset
1656 }
17298
831e96d0777d Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents: 17297
diff changeset
1657 }
17297
07d5cf34b3c5 Work around uninitialized variables problem with javac and lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17294
diff changeset
1658
17298
831e96d0777d Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents: 17297
diff changeset
1659 // Get current location of operand
831e96d0777d Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents: 17297
diff changeset
1660 // 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
1661 // the intervals
831e96d0777d Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents: 17297
diff changeset
1662 // 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
1663 Value result = colorLirOperand((Variable) operand, tempOpId, mode);
18436
59e65d3aa2fc Use StackSlotValue where appropriate.
Josef Eisl <josef.eisl@jku.at>
parents: 18425
diff changeset
1664 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
1665 return result;
831e96d0777d Better workaround for the uninitialized variable issue.
Josef Eisl <josef.eisl@jku.at>
parents: 17297
diff changeset
1666 }
16138
f315b1c0a590 Introduce InstructionValueProcedure.
Josef Eisl <josef.eisl@jku.at>
parents: 16118
diff changeset
1667
19019
56e6b5756886 LinearScan: remove support for markFrameLocations.
Josef Eisl <josef.eisl@jku.at>
parents: 18674
diff changeset
1668 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
1669 info.forEachState(op, this::debugInfoProcedure);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1670 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1671
19019
56e6b5756886 LinearScan: remove support for markFrameLocations.
Josef Eisl <josef.eisl@jku.at>
parents: 18674
diff changeset
1672 private void assignLocations(List<LIRInstruction> instructions) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1673 int numInst = instructions.size();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1674 boolean hasDead = false;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1675
17291
182062f9739d LSRA: replace anonymous InstructionValueProcedures with Lambdas.
Josef Eisl <josef.eisl@jku.at>
parents: 17285
diff changeset
1676 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
1677 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
1678 final LIRInstruction op = instructions.get(j);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1679 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
1680 hasDead = true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1681 continue;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1682 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1683
13377
40530019af02 enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13376
diff changeset
1684 // remove useless moves
40530019af02 enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13376
diff changeset
1685 MoveOp move = null;
40530019af02 enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13376
diff changeset
1686 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
1687 move = (MoveOp) op;
40530019af02 enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13376
diff changeset
1688 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
1689 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
1690 /*
40530019af02 enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13376
diff changeset
1691 * 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
1692 * 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
1693 * 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
1694 */
40530019af02 enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13376
diff changeset
1695 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
1696 hasDead = true;
40530019af02 enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13376
diff changeset
1697 continue;
40530019af02 enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13376
diff changeset
1698 }
40530019af02 enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13376
diff changeset
1699 }
40530019af02 enable rematerialization of constants in LinearScan, including a bug fix
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13376
diff changeset
1700
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
1701 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
1702 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
1703 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
1704 op.forEachOutput(assignProc);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1705
5733
141b15521a39 use annotated fields for operands of LIR instructions
Christian Wimmer <christian.wimmer@oracle.com>
parents: 5711
diff changeset
1706 // compute reference map and debug information
19019
56e6b5756886 LinearScan: remove support for markFrameLocations.
Josef Eisl <josef.eisl@jku.at>
parents: 18674
diff changeset
1707 op.forEachState((inst, state) -> computeDebugInfo(inst, state));
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1708
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1709 // 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
1710 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
1711 if (move.getInput().equals(move.getResult())) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1712 instructions.set(j, null);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1713 hasDead = true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1714 }
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 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1717
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1718 if (hasDead) {
6321
9418ff4c9e7c Clean up ControlFlowOptimizer.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6317
diff changeset
1719 // Remove null values from the list.
9418ff4c9e7c Clean up ControlFlowOptimizer.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 6317
diff changeset
1720 instructions.removeAll(Collections.singleton(null));
3733
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 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
1725 try (Indent indent = Debug.logAndIndent("assign locations")) {
14152
42013bd831d6 Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents: 14145
diff changeset
1726 for (AbstractBlock<?> block : sortedBlocks) {
13467
7c694e3e97e5 remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13377
diff changeset
1727 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
1728 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
1729 }
7c694e3e97e5 remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13377
diff changeset
1730 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1731 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1732 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1733
19212
95a7954ea155 Add LinearScanPhase.
Josef Eisl <josef.eisl@jku.at>
parents: 19166
diff changeset
1734 void allocate() {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1735
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 * 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
1738 */
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1739 try (Indent indent = Debug.logAndIndent("LinearScan allocate")) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1740
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1741 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
1742 numberInstructions();
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1743 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
1744 computeLocalLiveSets();
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1745 computeGlobalLiveSets();
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1746 buildIntervals();
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1747 sortIntervalsBeforeAllocation();
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1748 } 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
1749 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
1750 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1751
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1752 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
1753 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
1754 allocateRegisters();
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 }
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
1758
16362
b100bd079fff LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents: 16361
diff changeset
1759 if (Options.LSRAOptimizeSpillPosition.getValue()) {
b100bd079fff LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents: 16361
diff changeset
1760 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
1761 optimizeSpillPosition();
b100bd079fff LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents: 16361
diff changeset
1762 } catch (Throwable e) {
b100bd079fff LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents: 16361
diff changeset
1763 throw Debug.handle(e);
b100bd079fff LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents: 16361
diff changeset
1764 }
16357
a07492ccaf52 LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents: 16355
diff changeset
1765 }
a07492ccaf52 LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents: 16355
diff changeset
1766
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1767 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
1768 resolveDataFlow();
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1769 } 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
1770 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
1771 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1772
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1773 try (Scope s = Debug.scope("DebugInfo")) {
18420
b7089e3d8457 Print LIR after FrameMap building.
Josef Eisl <josef.eisl@jku.at>
parents: 18187
diff changeset
1774 printIntervals("After register allocation");
b7089e3d8457 Print LIR after FrameMap building.
Josef Eisl <josef.eisl@jku.at>
parents: 18187
diff changeset
1775 printLir("After register allocation", true);
b7089e3d8457 Print LIR after FrameMap building.
Josef Eisl <josef.eisl@jku.at>
parents: 18187
diff changeset
1776
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1777 sortIntervalsAfterAllocation();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1778
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1779 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
1780 verify();
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1781 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1782
16372
73d7935be896 LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents: 16371
diff changeset
1783 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
1784 eliminateSpillMoves();
73d7935be896 LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents: 16371
diff changeset
1785 } catch (Throwable e) {
73d7935be896 LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents: 16371
diff changeset
1786 throw Debug.handle(e);
73d7935be896 LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents: 16371
diff changeset
1787 }
17195
41a75081678c Print LIR after move elimination.
Josef Eisl <josef.eisl@jku.at>
parents: 17126
diff changeset
1788 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
1789
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("AssignLocations")) {
73d7935be896 LSRA: add debug scope for eliminateSpillMoves() and assignLocations().
Josef Eisl <josef.eisl@jku.at>
parents: 16371
diff changeset
1791 assignLocations();
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 }
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1795
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1796 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
1797 verifyIntervals();
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1798 }
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1799 } 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
1800 throw Debug.handle(e);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1801 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1802
14871
667710021ea1 removed methods in Indent that are redundant with those in Debug
Doug Simon <doug.simon@oracle.com>
parents: 14841
diff changeset
1803 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
1804 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1805 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1806
16357
a07492ccaf52 LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents: 16355
diff changeset
1807 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
1808 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
1809
16362
b100bd079fff LSRA spill optimization: add -G:+LSRAOptimizeSpillPosition option (default: enabled).
Josef Eisl <josef.eisl@jku.at>
parents: 16361
diff changeset
1810 private void optimizeSpillPosition() {
16378
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1811 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
1812 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
1813 if (interval != null && interval.isSplitParent() && interval.spillState() == SpillState.SpillInDominator) {
16357
a07492ccaf52 LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents: 16355
diff changeset
1814 AbstractBlock<?> defBlock = blockForId(interval.spillDefinitionPos());
a07492ccaf52 LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents: 16355
diff changeset
1815 AbstractBlock<?> spillBlock = null;
16369
f8ba57019a5d LSRA spill optimization: move spill position to the dominator if at spill interval.
Josef Eisl <josef.eisl@jku.at>
parents: 16368
diff changeset
1816 Interval firstSpillChild = null;
16357
a07492ccaf52 LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents: 16355
diff changeset
1817 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
1818 for (Interval splitChild : interval.getSplitChildren()) {
18436
59e65d3aa2fc Use StackSlotValue where appropriate.
Josef Eisl <josef.eisl@jku.at>
parents: 18425
diff changeset
1819 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
1820 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
1821 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
1822 } 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
1823 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
1824 }
f8ba57019a5d LSRA spill optimization: move spill position to the dominator if at spill interval.
Josef Eisl <josef.eisl@jku.at>
parents: 16368
diff changeset
1825 // iterate all blocks where the interval has use positions
16376
ef21879c0c8f LSRA spill optimization: rename UseBlockIterator to IntervalBlockIterator.
Josef Eisl <josef.eisl@jku.at>
parents: 16375
diff changeset
1826 for (AbstractBlock<?> splitBlock : blocksForInterval(splitChild)) {
16373
74e93f5ba4f3 LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents: 16372
diff changeset
1827 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
1828 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
1829 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
1830 spillBlock = splitBlock;
74e93f5ba4f3 LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents: 16372
diff changeset
1831 } else {
16506
505c17ed39da LSRA spill optimization: use AbstractControlFlowGraph.commonDominator.
Josef Eisl <josef.eisl@jku.at>
parents: 16505
diff changeset
1832 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
1833 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
1834 }
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
1835 }
16357
a07492ccaf52 LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents: 16355
diff changeset
1836 }
a07492ccaf52 LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents: 16355
diff changeset
1837 }
a07492ccaf52 LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents: 16355
diff changeset
1838 }
16360
ec54fc47ba5d LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents: 16359
diff changeset
1839 if (spillBlock == null) {
16358
9371b9c246ca LSRA spill optimization: spill at earliest dominator.
Josef Eisl <josef.eisl@jku.at>
parents: 16357
diff changeset
1840 // no spill interval
9371b9c246ca LSRA spill optimization: spill at earliest dominator.
Josef Eisl <josef.eisl@jku.at>
parents: 16357
diff changeset
1841 interval.setSpillState(SpillState.StoreAtDefinition);
9371b9c246ca LSRA spill optimization: spill at earliest dominator.
Josef Eisl <josef.eisl@jku.at>
parents: 16357
diff changeset
1842 } else {
16360
ec54fc47ba5d LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents: 16359
diff changeset
1843 // move out of loops
ec54fc47ba5d LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents: 16359
diff changeset
1844 if (defBlock.getLoopDepth() < spillBlock.getLoopDepth()) {
ec54fc47ba5d LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents: 16359
diff changeset
1845 spillBlock = moveSpillOutOfLoop(defBlock, spillBlock);
ec54fc47ba5d LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents: 16359
diff changeset
1846 }
ec54fc47ba5d LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents: 16359
diff changeset
1847
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
1848 /*
f8ba57019a5d LSRA spill optimization: move spill position to the dominator if at spill interval.
Josef Eisl <josef.eisl@jku.at>
parents: 16368
diff changeset
1849 * If the spill block is the begin of the first split child (aka the value
f8ba57019a5d LSRA spill optimization: move spill position to the dominator if at spill interval.
Josef Eisl <josef.eisl@jku.at>
parents: 16368
diff changeset
1850 * is on the stack) spill in the dominator.
f8ba57019a5d LSRA spill optimization: move spill position to the dominator if at spill interval.
Josef Eisl <josef.eisl@jku.at>
parents: 16368
diff changeset
1851 */
f8ba57019a5d LSRA spill optimization: move spill position to the dominator if at spill interval.
Josef Eisl <josef.eisl@jku.at>
parents: 16368
diff changeset
1852 assert firstSpillChild != null;
f8ba57019a5d LSRA spill optimization: move spill position to the dominator if at spill interval.
Josef Eisl <josef.eisl@jku.at>
parents: 16368
diff changeset
1853 if (!defBlock.equals(spillBlock) && spillBlock.equals(blockForId(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
1854 AbstractBlock<?> dom = spillBlock.getDominator();
f8ba57019a5d LSRA spill optimization: move spill position to the dominator if at spill interval.
Josef Eisl <josef.eisl@jku.at>
parents: 16368
diff changeset
1855 Debug.log("Spill block (%s) is the beginning of a spill child -> use dominator (%s)", spillBlock, dom);
f8ba57019a5d LSRA spill optimization: move spill position to the dominator if at spill interval.
Josef Eisl <josef.eisl@jku.at>
parents: 16368
diff changeset
1856 spillBlock = dom;
f8ba57019a5d LSRA spill optimization: move spill position to the dominator if at spill interval.
Josef Eisl <josef.eisl@jku.at>
parents: 16368
diff changeset
1857 }
f8ba57019a5d LSRA spill optimization: move spill position to the dominator if at spill interval.
Josef Eisl <josef.eisl@jku.at>
parents: 16368
diff changeset
1858
16360
ec54fc47ba5d LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents: 16359
diff changeset
1859 if (!defBlock.equals(spillBlock)) {
ec54fc47ba5d LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents: 16359
diff changeset
1860 assert dominates(defBlock, spillBlock);
ec54fc47ba5d LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents: 16359
diff changeset
1861 betterSpillPos.increment();
ec54fc47ba5d LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents: 16359
diff changeset
1862 Debug.log("Better spill position found (Block %s)", spillBlock);
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
1863
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
1864 if (defBlock.probability() <= spillBlock.probability()) {
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
1865 // better spill block has the same probability -> do nothing
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
1866 interval.setSpillState(SpillState.StoreAtDefinition);
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
1867 } else {
16378
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1868 LIRInsertionBuffer insertionBuffer = insertionBuffers[spillBlock.getId()];
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1869 if (insertionBuffer == null) {
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1870 insertionBuffer = new LIRInsertionBuffer();
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1871 insertionBuffers[spillBlock.getId()] = insertionBuffer;
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1872 insertionBuffer.init(ir.getLIRforBlock(spillBlock));
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1873 }
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1874 int spillOpId = getFirstLirInstructionId(spillBlock);
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1875 // insert spill move
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1876 AllocatableValue fromLocation = interval.getSplitChildAtOpId(spillOpId, OperandMode.DEF, this).location();
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1877 AllocatableValue toLocation = canonicalSpillOpr(interval);
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1878 LIRInstruction move = ir.getSpillMoveFactory().createMove(toLocation, fromLocation);
16380
8057279ec60e LSRA spill optimization: use DOMINATOR_SPILL_MOVE_ID to mark moves.
Josef Eisl <josef.eisl@jku.at>
parents: 16379
diff changeset
1879 move.setId(DOMINATOR_SPILL_MOVE_ID);
16378
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1880 /*
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1881 * We can use the insertion buffer directly because we always insert
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1882 * at position 1.
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1883 */
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1884 insertionBuffer.append(1, move);
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1885
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
1886 betterSpillPosWithLowerProbability.increment();
16378
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1887 interval.setSpillDefinitionPos(spillOpId);
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
1888 }
16360
ec54fc47ba5d LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents: 16359
diff changeset
1889 } else {
ec54fc47ba5d LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents: 16359
diff changeset
1890 // definition is the best choice
ec54fc47ba5d LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents: 16359
diff changeset
1891 interval.setSpillState(SpillState.StoreAtDefinition);
ec54fc47ba5d LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents: 16359
diff changeset
1892 }
16357
a07492ccaf52 LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents: 16355
diff changeset
1893 }
a07492ccaf52 LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents: 16355
diff changeset
1894 }
a07492ccaf52 LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents: 16355
diff changeset
1895 }
a07492ccaf52 LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents: 16355
diff changeset
1896 }
16378
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1897 for (LIRInsertionBuffer insertionBuffer : insertionBuffers) {
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1898 if (insertionBuffer != null) {
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1899 assert insertionBuffer.initialized() : "Insertion buffer is nonnull but not initialized!";
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1900 insertionBuffer.finish();
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1901 }
d075b97fbd31 LSRA spill optimization: insert spill moves eagerly.
Josef Eisl <josef.eisl@jku.at>
parents: 16377
diff changeset
1902 }
16357
a07492ccaf52 LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents: 16355
diff changeset
1903 }
a07492ccaf52 LSRA spill optimization: calculate optimized spill position.
Josef Eisl <josef.eisl@jku.at>
parents: 16355
diff changeset
1904
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
1905 /**
16376
ef21879c0c8f LSRA spill optimization: rename UseBlockIterator to IntervalBlockIterator.
Josef Eisl <josef.eisl@jku.at>
parents: 16375
diff changeset
1906 * Iterate over all {@link AbstractBlock blocks} of an interval.
16364
a54a64af1e82 LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents: 16363
diff changeset
1907 */
16376
ef21879c0c8f LSRA spill optimization: rename UseBlockIterator to IntervalBlockIterator.
Josef Eisl <josef.eisl@jku.at>
parents: 16375
diff changeset
1908 private class IntervalBlockIterator implements Iterator<AbstractBlock<?>> {
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
1909
16373
74e93f5ba4f3 LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents: 16372
diff changeset
1910 Range range;
74e93f5ba4f3 LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents: 16372
diff changeset
1911 AbstractBlock<?> block;
16364
a54a64af1e82 LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents: 16363
diff changeset
1912
16376
ef21879c0c8f LSRA spill optimization: rename UseBlockIterator to IntervalBlockIterator.
Josef Eisl <josef.eisl@jku.at>
parents: 16375
diff changeset
1913 public IntervalBlockIterator(Interval interval) {
16373
74e93f5ba4f3 LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents: 16372
diff changeset
1914 range = interval.first();
74e93f5ba4f3 LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents: 16372
diff changeset
1915 block = blockForId(range.from);
16364
a54a64af1e82 LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents: 16363
diff changeset
1916 }
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
1917
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
1918 public AbstractBlock<?> next() {
16373
74e93f5ba4f3 LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents: 16372
diff changeset
1919 AbstractBlock<?> currentBlock = block;
16364
a54a64af1e82 LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents: 16363
diff changeset
1920 int nextBlockIndex = block.getLinearScanNumber() + 1;
a54a64af1e82 LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents: 16363
diff changeset
1921 if (nextBlockIndex < sortedBlocks.size()) {
16373
74e93f5ba4f3 LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents: 16372
diff changeset
1922 block = sortedBlocks.get(nextBlockIndex);
16375
ff14306337f2 LSRA spill optimization: fix UseBlockIterator.
Josef Eisl <josef.eisl@jku.at>
parents: 16374
diff changeset
1923 if (range.to <= getFirstLirInstructionId(block)) {
16373
74e93f5ba4f3 LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents: 16372
diff changeset
1924 range = range.next;
74e93f5ba4f3 LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents: 16372
diff changeset
1925 if (range == Range.EndMarker) {
74e93f5ba4f3 LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents: 16372
diff changeset
1926 block = null;
74e93f5ba4f3 LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents: 16372
diff changeset
1927 } else {
74e93f5ba4f3 LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents: 16372
diff changeset
1928 block = blockForId(range.from);
74e93f5ba4f3 LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents: 16372
diff changeset
1929 }
16370
3324ab9fe71a LSRA spill optimization: iterate all ranges of spill interval.
Josef Eisl <josef.eisl@jku.at>
parents: 16369
diff changeset
1930 }
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
1931 } else {
16373
74e93f5ba4f3 LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents: 16372
diff changeset
1932 block = null;
16364
a54a64af1e82 LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents: 16363
diff changeset
1933 }
16373
74e93f5ba4f3 LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents: 16372
diff changeset
1934 return currentBlock;
16364
a54a64af1e82 LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents: 16363
diff changeset
1935 }
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
1936
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
1937 public boolean hasNext() {
16373
74e93f5ba4f3 LSRA spill optimization: consider all spill blocks not only use positions.
Josef Eisl <josef.eisl@jku.at>
parents: 16372
diff changeset
1938 return block != null;
16364
a54a64af1e82 LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents: 16363
diff changeset
1939 }
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
1940 }
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
1941
16376
ef21879c0c8f LSRA spill optimization: rename UseBlockIterator to IntervalBlockIterator.
Josef Eisl <josef.eisl@jku.at>
parents: 16375
diff changeset
1942 private Iterable<AbstractBlock<?>> blocksForInterval(Interval interval) {
16364
a54a64af1e82 LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents: 16363
diff changeset
1943 return new Iterable<AbstractBlock<?>>() {
a54a64af1e82 LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents: 16363
diff changeset
1944 public Iterator<AbstractBlock<?>> iterator() {
16376
ef21879c0c8f LSRA spill optimization: rename UseBlockIterator to IntervalBlockIterator.
Josef Eisl <josef.eisl@jku.at>
parents: 16375
diff changeset
1945 return new IntervalBlockIterator(interval);
16364
a54a64af1e82 LSRA spill optimization: take all blocks (with usepos) of a spill interval into account.
Josef Eisl <josef.eisl@jku.at>
parents: 16363
diff changeset
1946 }
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
1947 };
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
1948 }
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
1949
16360
ec54fc47ba5d LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents: 16359
diff changeset
1950 private static AbstractBlock<?> moveSpillOutOfLoop(AbstractBlock<?> defBlock, AbstractBlock<?> spillBlock) {
ec54fc47ba5d LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents: 16359
diff changeset
1951 int defLoopDepth = defBlock.getLoopDepth();
ec54fc47ba5d LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents: 16359
diff changeset
1952 for (AbstractBlock<?> block = spillBlock.getDominator(); !defBlock.equals(block); block = block.getDominator()) {
ec54fc47ba5d LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents: 16359
diff changeset
1953 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
1954 if (block.getLoopDepth() <= defLoopDepth) {
ec54fc47ba5d LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents: 16359
diff changeset
1955 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
1956 return block;
ec54fc47ba5d LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents: 16359
diff changeset
1957 }
ec54fc47ba5d LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents: 16359
diff changeset
1958 }
ec54fc47ba5d LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents: 16359
diff changeset
1959 return defBlock;
ec54fc47ba5d LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents: 16359
diff changeset
1960 }
ec54fc47ba5d LSRA spill optimization: move spill out of loops.
Josef Eisl <josef.eisl@jku.at>
parents: 16359
diff changeset
1961
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1962 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
1963 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
1964 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
1965 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
1966 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
1967 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
1968 }
7c694e3e97e5 remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13377
diff changeset
1969 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1970
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
1971 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
1972 for (int i = 0; i < blockCount(); i++) {
14152
42013bd831d6 Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents: 14145
diff changeset
1973 AbstractBlock<?> block = blockAt(i);
13467
7c694e3e97e5 remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13377
diff changeset
1974 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
1975 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1976 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1977 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1978 }
4353
043bec543161 More work on debug framework. Removed concept of GraalContext.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 4352
diff changeset
1979 Debug.dump(Arrays.copyOf(intervals, intervalsSize), label);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1980 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1981
7556
630ea5001e33 Modified formatter settings to not insert line break after annotation on parameters.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7530
diff changeset
1982 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
1983 Debug.dump(ir, label);
3733
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
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1986 boolean verify() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1987 // (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
1988 verifyIntervals();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1989
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1990 verifyRegisters();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1991
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
1992 Debug.log("no errors found");
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1993
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1994 return true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1995 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1996
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1997 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
1998 // 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
1999 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
2000 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
2001 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
2002 }
3733
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
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2005 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
2006 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
2007 int len = intervalsSize;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2008
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
2009 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
2010 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
2011 if (i1 == null) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2012 continue;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2013 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2014
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
2015 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
2016
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 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
2018 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
2019 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
2020 throw new GraalInternalError("");
3733
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
16118
5cbaad0b7387 Verify usage of equals method in LIRKind.
Roland Schatz <roland.schatz@oracle.com>
parents: 16094
diff changeset
2023 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
2024 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
2025 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
2026 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
2027 }
7c694e3e97e5 remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13377
diff changeset
2028
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 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
2030 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
2031 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
2032 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
2033 }
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 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
2036 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
2037 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
2038 throw new GraalInternalError("");
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2039 }
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
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 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
2042 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
2043 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
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("");
7c694e3e97e5 remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13377
diff changeset
2046 }
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
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 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
2050 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
2051 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
2052 continue;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2053 }
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
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 // 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
2056 // . 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
2057 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
2058 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
2059 }
7c694e3e97e5 remove remaining old style TTY debug logging in LinearScan and remove TraceLinearScan option
Erik Eckstein <erik.eckstein@oracle.com>
parents: 13377
diff changeset
2060 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
2061 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
2062 }
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 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
2064 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
2065 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
2066 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
2067 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
2068 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
2069 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
2070 }
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 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
2072 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2073 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2074 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2075 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2076 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2077
17285
3a834111a632 Make [Instruction]ValueProcedure and [Instruction]ValueConsumer a FunctionalInterface.
Josef Eisl <josef.eisl@jku.at>
parents: 17284
diff changeset
2078 class CheckConsumer implements ValueConsumer {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7512
diff changeset
2079
4245
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2080 boolean ok;
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2081 Interval curInterval;
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2082
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2083 @Override
17284
d21962ea9617 Remove ValueConsumer.visitValue(Value).
Josef Eisl <josef.eisl@jku.at>
parents: 17283
diff changeset
2084 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
2085 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
2086 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
2087 ok = true;
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2088 }
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 }
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2091 }
75c620f90ab9 Support stack-operands and register hints in new register allocator API
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4214
diff changeset
2092
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2093 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
2094 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
2095 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
2096
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
2097 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
2098 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
2099 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
2100 // 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
2101 // 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
2102 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
2103 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
2104 IntervalWalker iw = new IntervalWalker(this, fixedIntervals, otherIntervals);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2105
14152
42013bd831d6 Make LinearScan use AbstractBlock.
Josef Eisl <josef.eisl@jku.at>
parents: 14145
diff changeset
2106 for (AbstractBlock<?> block : sortedBlocks) {
14806
a8723f1ff542 LIR renamed setter and getter functions.
Josef Eisl <josef.eisl@jku.at>
parents: 14789
diff changeset
2107 List<LIRInstruction> instructions = ir.getLIRforBlock(block);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2108
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
2109 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
2110 LIRInstruction op = instructions.get(j);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2111
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
2112 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
2113 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
2114 boolean checkLive = true;
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 // 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
2117 // 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
2118 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
2119 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
2120 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
2121 // 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
2122 // 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
2123 // 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
2124 checkConsumer.curInterval = interval;
067dbd8e7114 Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents: 16796
diff changeset
2125 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
2126
16801
067dbd8e7114 Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents: 16796
diff changeset
2127 op.visitEachInput(checkConsumer);
067dbd8e7114 Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents: 16796
diff changeset
2128 op.visitEachAlive(checkConsumer);
067dbd8e7114 Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents: 16796
diff changeset
2129 op.visitEachTemp(checkConsumer);
067dbd8e7114 Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents: 16796
diff changeset
2130 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
2131
16801
067dbd8e7114 Use ValueConsumer in LinearScan where possible.
Josef Eisl <josef.eisl@jku.at>
parents: 16796
diff changeset
2132 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
2133 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2134 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2135 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2136 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2137 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2138 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2139 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2140 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2141
14070
a8a82c6e2981 Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents: 14057
diff changeset
2142 /**
a8a82c6e2981 Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents: 14057
diff changeset
2143 * 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
2144 *
14070
a8a82c6e2981 Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents: 14057
diff changeset
2145 * @param op An instruction which defines a value
a8a82c6e2981 Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents: 14057
diff changeset
2146 * @param operand The destination operand of the instruction
a8a82c6e2981 Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents: 14057
diff changeset
2147 * @param interval The interval for this defined value.
a8a82c6e2981 Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents: 14057
diff changeset
2148 * @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
2149 * 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
2150 * can only be a {@link JavaConstant}.
14070
a8a82c6e2981 Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents: 14057
diff changeset
2151 */
18187
9619ba4daf4c Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 18152
diff changeset
2152 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
2153 if (op instanceof MoveOp) {
a8a82c6e2981 Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents: 14057
diff changeset
2154 MoveOp move = (MoveOp) op;
18187
9619ba4daf4c Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 18152
diff changeset
2155 if (move.getInput() instanceof JavaConstant) {
14070
a8a82c6e2981 Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents: 14057
diff changeset
2156 /*
a8a82c6e2981 Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents: 14057
diff changeset
2157 * 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
2158 * == ShouldHaveRegister). Rematerialization of such intervals can result in a
a8a82c6e2981 Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents: 14057
diff changeset
2159 * 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
2160 * the value is not needed in a register.
a8a82c6e2981 Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents: 14057
diff changeset
2161 */
a8a82c6e2981 Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents: 14057
diff changeset
2162 Interval.UsePosList usePosList = interval.usePosList();
a8a82c6e2981 Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents: 14057
diff changeset
2163 int numUsePos = usePosList.size();
a8a82c6e2981 Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents: 14057
diff changeset
2164 for (int useIdx = 0; useIdx < numUsePos; useIdx++) {
a8a82c6e2981 Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents: 14057
diff changeset
2165 Interval.RegisterPriority priority = usePosList.registerPriority(useIdx);
15920
4b835260c746 backout 88a6017687c9
Josef Eisl <josef.eisl@jku.at>
parents: 15914
diff changeset
2166 if (priority == Interval.RegisterPriority.ShouldHaveRegister) {
14070
a8a82c6e2981 Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents: 14057
diff changeset
2167 return null;
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 }
18187
9619ba4daf4c Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 18152
diff changeset
2170 return (JavaConstant) move.getInput();
14070
a8a82c6e2981 Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents: 14057
diff changeset
2171 }
a8a82c6e2981 Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents: 14057
diff changeset
2172 }
a8a82c6e2981 Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents: 14057
diff changeset
2173 return null;
a8a82c6e2981 Remove LIRGenerator from LinearScan.
Josef Eisl <josef.eisl@jku.at>
parents: 14057
diff changeset
2174 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2175 }