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annotate graal/com.oracle.graal.lir.amd64/src/com/oracle/graal/lir/amd64/AMD64ControlFlow.java @ 5333:b1de7c9ab0e0

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expanded analysis of compiled checkcast code paths
author Doug Simon <doug.simon@oracle.com>
date Wed, 02 May 2012 11:31:53 +0200
parents 467de393651a
children 80127e4a1742
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1 /*
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2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.lir.amd64;
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24
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25 import static com.oracle.max.cri.ci.CiValueUtil.*;
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26
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27 import java.util.*;
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28
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29 import com.oracle.max.asm.*;
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30 import com.oracle.max.asm.target.amd64.*;
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31 import com.oracle.max.asm.target.amd64.AMD64Assembler.ConditionFlag;
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32 import com.oracle.max.cri.ci.*;
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33 import com.oracle.max.cri.ci.CiAddress.Scale;
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34 import com.oracle.max.cri.ci.CiTargetMethod.JumpTable;
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35 import com.oracle.graal.graph.*;
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36 import com.oracle.graal.lir.*;
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37 import com.oracle.graal.lir.asm.*;
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38 import com.oracle.graal.nodes.calc.*;
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39
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40 public class AMD64ControlFlow {
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41
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42 public static class ReturnOp extends AMD64LIRInstruction {
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43 public ReturnOp(CiValue input) {
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44 super("RETURN", LIRInstruction.NO_OPERANDS, null, new CiValue[] {input}, LIRInstruction.NO_OPERANDS, LIRInstruction.NO_OPERANDS);
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45 }
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46
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47 @Override
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48 public void emitCode(TargetMethodAssembler tasm, AMD64MacroAssembler masm) {
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49 if (tasm.frameContext != null) {
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50 tasm.frameContext.leave(tasm);
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51 }
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52 masm.ret(0);
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53 }
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54
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55 @Override
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56 protected EnumSet<OperandFlag> flagsFor(OperandMode mode, int index) {
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57 if (mode == OperandMode.Input && index == 0) {
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58 return EnumSet.of(OperandFlag.Register, OperandFlag.Illegal);
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59 }
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60 throw GraalInternalError.shouldNotReachHere();
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61 }
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62 }
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63
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64
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65 public static class BranchOp extends AMD64LIRInstruction implements StandardOp.BranchOp {
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66 protected Condition condition;
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67 protected LabelRef destination;
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68
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69 public BranchOp(Condition condition, LabelRef destination, LIRDebugInfo info) {
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70 super("BRANCH", LIRInstruction.NO_OPERANDS, info, LIRInstruction.NO_OPERANDS, LIRInstruction.NO_OPERANDS, LIRInstruction.NO_OPERANDS);
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71 this.condition = condition;
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72 this.destination = destination;
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73 }
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74
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75 @Override
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76 public void emitCode(TargetMethodAssembler tasm, AMD64MacroAssembler masm) {
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77 masm.jcc(intCond(condition), destination.label());
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78 }
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79
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80 @Override
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81 public LabelRef destination() {
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82 return destination;
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83 }
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84
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85 @Override
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86 public void negate(LabelRef newDestination) {
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87 destination = newDestination;
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88 condition = condition.negate();
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89 }
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90
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91 @Override
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92 public String operationString() {
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93 return condition.operator + " [" + destination + "]";
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94 }
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95
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96 @Override
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97 protected EnumSet<OperandFlag> flagsFor(OperandMode mode, int index) {
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98 throw GraalInternalError.shouldNotReachHere();
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99 }
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100 }
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101
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102
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103 public static class FloatBranchOp extends BranchOp {
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104 protected boolean unorderedIsTrue;
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105
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106 public FloatBranchOp(Condition condition, boolean unorderedIsTrue, LabelRef destination, LIRDebugInfo info) {
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107 super(condition, destination, info);
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108 this.unorderedIsTrue = unorderedIsTrue;
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109 }
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110
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111 @Override
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112 public void emitCode(TargetMethodAssembler tasm, AMD64MacroAssembler masm) {
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113 floatJcc(masm, condition, unorderedIsTrue, destination.label());
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114 }
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115
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116 @Override
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117 public void negate(LabelRef newDestination) {
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118 super.negate(newDestination);
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119 unorderedIsTrue = !unorderedIsTrue;
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120 }
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121
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122 @Override
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123 public String operationString() {
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124 return condition.operator + " [" + destination + "]" + (unorderedIsTrue ? " unorderedIsTrue" : " unorderedIsFalse");
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125 }
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126 }
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128
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129 public static class TableSwitchOp extends AMD64LIRInstruction {
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130 private final int lowKey;
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131 private final LabelRef defaultTarget;
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132 private final LabelRef[] targets;
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133
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134 public TableSwitchOp(final int lowKey, final LabelRef defaultTarget, final LabelRef[] targets, Variable index, Variable scratch) {
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135 super("TABLE_SWITCH", LIRInstruction.NO_OPERANDS, null, LIRInstruction.NO_OPERANDS, new CiValue[] {index}, new CiValue[] {scratch});
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136 this.lowKey = lowKey;
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137 this.defaultTarget = defaultTarget;
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138 this.targets = targets;
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139 }
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140
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141 @Override
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142 public void emitCode(TargetMethodAssembler tasm, AMD64MacroAssembler masm) {
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143 tableswitch(tasm, masm, lowKey, defaultTarget, targets, asIntReg(alive(0)), asLongReg(temp(0)));
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144 }
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145
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146 @Override
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147 public String operationString() {
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148 StringBuilder buf = new StringBuilder(super.operationString());
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149 buf.append("\ndefault: [").append(defaultTarget).append(']');
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150 int key = lowKey;
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151 for (LabelRef l : targets) {
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152 buf.append("\ncase ").append(key).append(": [").append(l).append(']');
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153 key++;
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154 }
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155 return buf.toString();
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156 }
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157
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158 @Override
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159 protected EnumSet<OperandFlag> flagsFor(OperandMode mode, int index) {
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160 if (mode == OperandMode.Alive && index == 0) {
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161 return EnumSet.of(OperandFlag.Register);
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162 } else if (mode == OperandMode.Temp && index == 0) {
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163 return EnumSet.of(OperandFlag.Register);
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164 }
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165 throw GraalInternalError.shouldNotReachHere();
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166 }
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167 }
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168
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169
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170 public static class CondMoveOp extends AMD64LIRInstruction {
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171 private final Condition condition;
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172
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173 public CondMoveOp(Variable result, Condition condition, Variable trueValue, CiValue falseValue) {
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174 super("CMOVE", new CiValue[] {result}, null, new CiValue[] {falseValue}, new CiValue[] {trueValue}, LIRInstruction.NO_OPERANDS);
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175 this.condition = condition;
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176 }
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177
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178 @Override
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179 public void emitCode(TargetMethodAssembler tasm, AMD64MacroAssembler masm) {
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180 cmove(tasm, masm, output(0), false, condition, false, alive(0), input(0));
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181 }
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182
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183 @Override
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184 protected EnumSet<OperandFlag> flagsFor(OperandMode mode, int index) {
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185 if (mode == OperandMode.Input && index == 0) {
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186 return EnumSet.of(OperandFlag.Register, OperandFlag.Stack, OperandFlag.Constant);
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187 } else if (mode == OperandMode.Alive && index == 0) {
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188 return EnumSet.of(OperandFlag.Register);
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189 } else if (mode == OperandMode.Output && index == 0) {
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190 return EnumSet.of(OperandFlag.Register, OperandFlag.RegisterHint);
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191 }
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192 throw GraalInternalError.shouldNotReachHere();
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193 }
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194
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195 @Override
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196 public String operationString() {
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197 return condition.toString() + " " + super.operationString();
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198 }
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199 }
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200
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201
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202 public static class FloatCondMoveOp extends AMD64LIRInstruction {
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203 private final Condition condition;
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204 private final boolean unorderedIsTrue;
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205
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206 public FloatCondMoveOp(Variable result, Condition condition, boolean unorderedIsTrue, Variable trueValue, Variable falseValue) {
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207 super("FLOAT_CMOVE", new CiValue[] {result}, null, LIRInstruction.NO_OPERANDS, new CiValue[] {trueValue, falseValue}, LIRInstruction.NO_OPERANDS);
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208 this.condition = condition;
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209 this.unorderedIsTrue = unorderedIsTrue;
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210 }
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211
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212 @Override
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213 public void emitCode(TargetMethodAssembler tasm, AMD64MacroAssembler masm) {
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214 cmove(tasm, masm, output(0), true, condition, unorderedIsTrue, alive(0), alive(1));
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215 }
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216
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217 @Override
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218 public String operationString() {
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219 return condition.toString() + " unordered=" + unorderedIsTrue + " " + super.operationString();
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220 }
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221
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222 @Override
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223 protected EnumSet<OperandFlag> flagsFor(OperandMode mode, int index) {
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224 if (mode == OperandMode.Alive && index == 0) {
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225 return EnumSet.of(OperandFlag.Register);
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226 } else if (mode == OperandMode.Alive && index == 1) {
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227 return EnumSet.of(OperandFlag.Register);
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228 } else if (mode == OperandMode.Output && index == 0) {
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229 return EnumSet.of(OperandFlag.Register);
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230 }
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231 throw GraalInternalError.shouldNotReachHere();
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232 }
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233 }
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234
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235
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236 private static void tableswitch(TargetMethodAssembler tasm, AMD64MacroAssembler masm, int lowKey, LabelRef defaultTarget, LabelRef[] targets, CiRegister value, CiRegister scratch) {
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237 Buffer buf = masm.codeBuffer;
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238 // Compare index against jump table bounds
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239 int highKey = lowKey + targets.length - 1;
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240 if (lowKey != 0) {
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241 // subtract the low value from the switch value
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242 masm.subl(value, lowKey);
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243 masm.cmpl(value, highKey - lowKey);
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244 } else {
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245 masm.cmpl(value, highKey);
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246 }
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247
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248 // Jump to default target if index is not within the jump table
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249 masm.jcc(ConditionFlag.above, defaultTarget.label());
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250
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251 // Set scratch to address of jump table
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252 int leaPos = buf.position();
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253 masm.leaq(scratch, new CiAddress(tasm.target.wordKind, AMD64.rip.asValue(), 0));
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254 int afterLea = buf.position();
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255
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256 // Load jump table entry into scratch and jump to it
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diff changeset
257 masm.movslq(value, new CiAddress(CiKind.Int, scratch.asValue(), value.asValue(), Scale.Times4, 0));
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
258 masm.addq(scratch, value);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
259 masm.jmp(scratch);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
260
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
261 // Inserting padding so that jump table address is 4-byte aligned
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
262 if ((buf.position() & 0x3) != 0) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
263 masm.nop(4 - (buf.position() & 0x3));
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
264 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
265
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
266 // Patch LEA instruction above now that we know the position of the jump table
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
267 int jumpTablePos = buf.position();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
268 buf.setPosition(leaPos);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
269 masm.leaq(scratch, new CiAddress(tasm.target.wordKind, AMD64.rip.asValue(), jumpTablePos - afterLea));
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
270 buf.setPosition(jumpTablePos);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
271
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
272 // Emit jump table entries
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
273 for (LabelRef target : targets) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
274 Label label = target.label();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
275 int offsetToJumpTableBase = buf.position() - jumpTablePos;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
276 if (label.isBound()) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
277 int imm32 = label.position() - jumpTablePos;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
278 buf.emitInt(imm32);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
279 } else {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
280 label.addPatchAt(buf.position());
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
281
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
282 buf.emitByte(0); // psuedo-opcode for jump table entry
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
283 buf.emitShort(offsetToJumpTableBase);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
284 buf.emitByte(0); // padding to make jump table entry 4 bytes wide
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
285 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
286 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
287
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
288 JumpTable jt = new JumpTable(jumpTablePos, lowKey, highKey, 4);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
289 tasm.targetMethod.addAnnotation(jt);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
290 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
291
4142
bc8527f3071c Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 3733
diff changeset
292 private static void floatJcc(AMD64MacroAssembler masm, Condition condition, boolean unorderedIsTrue, Label label) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
293 ConditionFlag cond = floatCond(condition);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
294 Label endLabel = new Label();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
295 if (unorderedIsTrue && !trueOnUnordered(cond)) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
296 masm.jcc(ConditionFlag.parity, label);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
297 } else if (!unorderedIsTrue && trueOnUnordered(cond)) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
298 masm.jcc(ConditionFlag.parity, endLabel);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
299 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
300 masm.jcc(cond, label);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
301 masm.bind(endLabel);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
302 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
303
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
304 private static void cmove(TargetMethodAssembler tasm, AMD64MacroAssembler masm, CiValue result, boolean isFloat, Condition condition, boolean unorderedIsTrue, CiValue trueValue, CiValue falseValue) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
305 ConditionFlag cond = isFloat ? floatCond(condition) : intCond(condition);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
306 // check that we don't overwrite an input operand before it is used.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
307 assert !result.equals(trueValue);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
308
4323
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4245
diff changeset
309 AMD64Move.move(tasm, masm, result, falseValue);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
310 cmove(tasm, masm, result, cond, trueValue);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
311
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
312 if (isFloat) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
313 if (unorderedIsTrue && !trueOnUnordered(cond)) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
314 cmove(tasm, masm, result, ConditionFlag.parity, trueValue);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
315 } else if (!unorderedIsTrue && trueOnUnordered(cond)) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
316 cmove(tasm, masm, result, ConditionFlag.parity, falseValue);
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 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
320
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
321 private static void cmove(TargetMethodAssembler tasm, AMD64MacroAssembler masm, CiValue result, ConditionFlag cond, CiValue other) {
4183
9e0c1b4cfef5 Move all isXxx and asXxx out of CiValue and into their own util class.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4169
diff changeset
322 if (isRegister(other)) {
9e0c1b4cfef5 Move all isXxx and asXxx out of CiValue and into their own util class.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4169
diff changeset
323 assert asRegister(other) != asRegister(result) : "other already overwritten by previous move";
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
324 switch (other.kind) {
4183
9e0c1b4cfef5 Move all isXxx and asXxx out of CiValue and into their own util class.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4169
diff changeset
325 case Int: masm.cmovl(cond, asRegister(result), asRegister(other)); break;
9e0c1b4cfef5 Move all isXxx and asXxx out of CiValue and into their own util class.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4169
diff changeset
326 case Long: masm.cmovq(cond, asRegister(result), asRegister(other)); break;
4524
dcc8f5c6f394 Refactorings to prepare for LIR project splitting
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4522
diff changeset
327 default: throw GraalInternalError.shouldNotReachHere();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
328 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
329 } else {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
330 switch (other.kind) {
4183
9e0c1b4cfef5 Move all isXxx and asXxx out of CiValue and into their own util class.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4169
diff changeset
331 case Int: masm.cmovl(cond, asRegister(result), tasm.asAddress(other)); break;
9e0c1b4cfef5 Move all isXxx and asXxx out of CiValue and into their own util class.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4169
diff changeset
332 case Long: masm.cmovq(cond, asRegister(result), tasm.asAddress(other)); break;
4524
dcc8f5c6f394 Refactorings to prepare for LIR project splitting
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4522
diff changeset
333 default: throw GraalInternalError.shouldNotReachHere();
3733
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 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
336 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
337
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
338 private static ConditionFlag intCond(Condition cond) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
339 switch (cond) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
340 case EQ: return ConditionFlag.equal;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
341 case NE: return ConditionFlag.notEqual;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
342 case LT: return ConditionFlag.less;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
343 case LE: return ConditionFlag.lessEqual;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
344 case GE: return ConditionFlag.greaterEqual;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
345 case GT: return ConditionFlag.greater;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
346 case BE: return ConditionFlag.belowEqual;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
347 case AE: return ConditionFlag.aboveEqual;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
348 case AT: return ConditionFlag.above;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
349 case BT: return ConditionFlag.below;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
350 case OF: return ConditionFlag.overflow;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
351 case NOF: return ConditionFlag.noOverflow;
4524
dcc8f5c6f394 Refactorings to prepare for LIR project splitting
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4522
diff changeset
352 default: throw GraalInternalError.shouldNotReachHere();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
353 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
354 }
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 private static ConditionFlag floatCond(Condition cond) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
357 switch (cond) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
358 case EQ: return ConditionFlag.equal;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
359 case NE: return ConditionFlag.notEqual;
4550
e065aa86d077 Lower NormalizeCompareNode in the front end to avoid LIR operation.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4525
diff changeset
360 case LT: return ConditionFlag.below;
e065aa86d077 Lower NormalizeCompareNode in the front end to avoid LIR operation.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4525
diff changeset
361 case LE: return ConditionFlag.belowEqual;
e065aa86d077 Lower NormalizeCompareNode in the front end to avoid LIR operation.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4525
diff changeset
362 case GE: return ConditionFlag.aboveEqual;
e065aa86d077 Lower NormalizeCompareNode in the front end to avoid LIR operation.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4525
diff changeset
363 case GT: return ConditionFlag.above;
4524
dcc8f5c6f394 Refactorings to prepare for LIR project splitting
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4522
diff changeset
364 default: throw GraalInternalError.shouldNotReachHere();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
365 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
366 }
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 private static boolean trueOnUnordered(ConditionFlag condition) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
369 switch(condition) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
370 case aboveEqual:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
371 case notEqual:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
372 case above:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
373 case less:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
374 case overflow:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
375 return false;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
376 case equal:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
377 case belowEqual:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
378 case below:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
379 case greaterEqual:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
380 case noOverflow:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
381 return true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
382 default:
4524
dcc8f5c6f394 Refactorings to prepare for LIR project splitting
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4522
diff changeset
383 throw GraalInternalError.shouldNotReachHere();
3733
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 }