Mercurial > hg > graal-compiler
annotate graal/GraalCompiler/src/com/sun/c1x/lir/LIRList.java @ 2509:16b9a8b5ad39
Renamings Runtime=>GraalRuntime and Compiler=>GraalCompiler
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 27 Apr 2011 11:50:44 +0200 |
parents | graal/Compiler/src/com/sun/c1x/lir/LIRList.java@9ec15d6914ca |
children | a384fac3fd34 |
rev | line source |
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1 /* |
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2 * Copyright (c) 2009, 2011, 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.sun.c1x.lir; |
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24 |
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25 import java.util.*; |
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26 |
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27 import com.sun.c1x.*; |
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28 import com.sun.c1x.alloc.*; |
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29 import com.sun.c1x.asm.*; |
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30 import com.sun.c1x.debug.*; |
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31 import com.sun.c1x.gen.*; |
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32 import com.sun.c1x.globalstub.*; |
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33 import com.sun.c1x.ir.*; |
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34 import com.sun.c1x.lir.FrameMap.StackBlock; |
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35 import com.sun.cri.ci.*; |
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36 import com.sun.cri.ci.CiTargetMethod.Mark; |
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37 import com.sun.cri.ri.*; |
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38 import com.sun.cri.xir.CiXirAssembler.XirMark; |
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39 import com.sun.cri.xir.*; |
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40 |
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41 /** |
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42 * This class represents a list of LIR instructions and contains factory methods for creating and appending LIR |
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43 * instructions to this list. |
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44 * |
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45 * @author Marcelo Cintra |
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46 * @author Thomas Wuerthinger |
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47 * @author Ben L. Titzer |
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48 */ |
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49 public final class LIRList { |
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50 |
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51 private List<LIRInstruction> operations; |
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52 private final LIRGenerator generator; |
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53 |
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54 private final LIROpcode runtimeCallOp; |
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55 |
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56 private LIROpcode directCallOp(RiMethod method) { |
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57 return C1XOptions.UseConstDirectCall && method.hasCompiledCode() ? LIROpcode.ConstDirectCall : LIROpcode.DirectCall; |
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58 } |
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59 |
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60 public LIRList(LIRGenerator generator) { |
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61 this.generator = generator; |
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62 this.operations = new ArrayList<LIRInstruction>(8); |
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63 runtimeCallOp = C1XOptions.UseConstDirectCall ? LIROpcode.ConstDirectCall : LIROpcode.DirectCall; |
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64 } |
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65 |
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66 private void append(LIRInstruction op) { |
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67 if (C1XOptions.PrintIRWithLIR && !TTY.isSuppressed()) { |
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68 generator.maybePrintCurrentInstruction(); |
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69 TTY.println(op.toStringWithIdPrefix()); |
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70 TTY.println(); |
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71 } |
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72 operations.add(op); |
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73 assert op.verify(); |
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74 } |
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75 |
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76 public List<LIRInstruction> instructionsList() { |
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77 return operations; |
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78 } |
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79 |
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80 public int length() { |
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81 return operations.size(); |
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82 } |
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83 |
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84 public LIRInstruction at(int i) { |
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85 return operations.get(i); |
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86 } |
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87 |
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88 public void callDirect(RiMethod method, CiValue result, List<CiValue> arguments, LIRDebugInfo info, Map<XirMark, Mark> marks, List<CiValue> pointerSlots) { |
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89 append(new LIRCall(directCallOp(method), method, result, arguments, info, marks, false, pointerSlots)); |
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90 } |
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91 |
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92 public void callIndirect(RiMethod method, CiValue result, List<CiValue> arguments, LIRDebugInfo info, Map<XirMark, Mark> marks, List<CiValue> pointerSlots) { |
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93 append(new LIRCall(LIROpcode.IndirectCall, method, result, arguments, info, marks, false, pointerSlots)); |
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94 } |
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95 |
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96 public void callNative(String symbol, CiValue result, List<CiValue> arguments, LIRDebugInfo info, Map<XirMark, Mark> marks) { |
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97 append(new LIRCall(LIROpcode.NativeCall, symbol, result, arguments, info, marks, false, null)); |
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98 } |
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99 |
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100 public void templateCall(CiValue result, List<CiValue> arguments) { |
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101 append(new LIRCall(LIROpcode.TemplateCall, null, result, arguments, null, null, false, null)); |
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102 } |
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103 |
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104 public void membar(int barriers) { |
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105 append(new LIRMemoryBarrier(barriers)); |
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106 } |
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107 |
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108 public void osrEntry(CiValue osrPointer) { |
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109 append(new LIROp0(LIROpcode.OsrEntry, osrPointer)); |
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110 } |
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111 |
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112 public void branchDestination(Label lbl) { |
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113 append(new LIRLabel(lbl)); |
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114 } |
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115 |
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116 public void negate(CiValue src, CiValue dst, GlobalStub globalStub) { |
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117 LIRNegate op = new LIRNegate(src, dst); |
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118 op.globalStub = globalStub; |
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119 append(op); |
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120 } |
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121 |
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122 public void lea(CiValue src, CiValue dst) { |
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123 append(new LIROp1(LIROpcode.Lea, src, dst)); |
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124 } |
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125 |
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126 public void unalignedMove(CiValue src, CiValue dst) { |
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127 append(new LIROp1(LIROp1.LIRMoveKind.Unaligned, src, dst, dst.kind, null)); |
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128 } |
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129 |
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130 public void move(CiAddress src, CiValue dst, LIRDebugInfo info) { |
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131 append(new LIROp1(LIROpcode.Move, src, dst, src.kind, info)); |
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132 } |
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133 |
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134 public void move(CiValue src, CiAddress dst, LIRDebugInfo info) { |
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135 append(new LIROp1(LIROpcode.Move, src, dst, dst.kind, info)); |
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136 } |
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137 |
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138 public void move(CiValue src, CiValue dst, CiKind kind) { |
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139 append(new LIROp1(LIROpcode.Move, src, dst, kind, null)); |
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140 } |
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141 |
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142 public void move(CiValue src, CiValue dst) { |
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143 append(new LIROp1(LIROpcode.Move, src, dst, dst.kind, null)); |
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144 } |
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145 |
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146 public void volatileMove(CiValue src, CiValue dst, CiKind kind, LIRDebugInfo info) { |
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147 append(new LIROp1(LIROp1.LIRMoveKind.Volatile, src, dst, kind, info)); |
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148 } |
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149 |
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150 public void oop2reg(Object o, CiValue reg) { |
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151 append(new LIROp1(LIROpcode.Move, CiConstant.forObject(o), reg)); |
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152 } |
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153 |
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154 public void returnOp(CiValue result) { |
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155 append(new LIROp1(LIROpcode.Return, result)); |
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156 } |
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157 |
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158 public void monitorAddress(int monitor, CiValue dst) { |
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159 append(new LIRMonitorAddress(dst, monitor)); |
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160 } |
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161 |
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162 public void infopoint(LIROpcode opcode, CiValue dst, LIRDebugInfo info) { |
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163 append(new LIROp0(opcode, dst, info)); |
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164 } |
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165 |
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166 public void alloca(StackBlock stackBlock, CiValue dst) { |
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167 append(new LIRStackAllocate(dst, stackBlock)); |
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168 } |
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169 |
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170 public void convert(int code, CiValue left, CiValue dst, GlobalStub globalStub) { |
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171 LIRConvert op = new LIRConvert(code, left, dst); |
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172 op.globalStub = globalStub; |
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173 append(op); |
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174 } |
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175 |
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176 public void logicalAnd(CiValue left, CiValue right, CiValue dst) { |
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177 append(new LIROp2(LIROpcode.LogicAnd, left, right, dst)); |
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178 } |
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179 |
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180 public void logicalOr(CiValue left, CiValue right, CiValue dst) { |
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181 append(new LIROp2(LIROpcode.LogicOr, left, right, dst)); |
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182 } |
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183 |
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184 public void logicalXor(CiValue left, CiValue right, CiValue dst) { |
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185 append(new LIROp2(LIROpcode.LogicXor, left, right, dst)); |
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186 } |
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187 |
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188 public void nullCheck(CiValue opr, LIRDebugInfo info) { |
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189 append(new LIROp1(LIROpcode.NullCheck, opr, info)); |
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190 } |
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191 |
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192 public void throwException(CiValue exceptionPC, CiValue exceptionOop, LIRDebugInfo info) { |
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193 append(new LIROp2(LIROpcode.Throw, exceptionPC, exceptionOop, CiValue.IllegalValue, info, CiKind.Illegal, true)); |
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194 } |
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195 |
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196 public void unwindException(CiValue exceptionPC, CiValue exceptionOop, LIRDebugInfo info) { |
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197 append(new LIROp2(LIROpcode.Unwind, exceptionPC, exceptionOop, CiValue.IllegalValue, info)); |
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198 } |
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199 |
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200 public void compareTo(CiValue left, CiValue right, CiValue dst) { |
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201 append(new LIROp2(LIROpcode.CompareTo, left, right, dst)); |
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202 } |
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203 |
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204 public void cmp(Condition condition, CiValue left, CiValue right, LIRDebugInfo info) { |
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205 append(new LIROp2(LIROpcode.Cmp, condition, left, right, info)); |
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206 } |
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207 |
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208 public void cmp(Condition condition, CiValue left, CiValue right) { |
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209 cmp(condition, left, right, null); |
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210 } |
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211 |
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212 public void cmp(Condition condition, CiValue left, int right, LIRDebugInfo info) { |
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213 cmp(condition, left, CiConstant.forInt(right), info); |
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214 } |
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215 |
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216 public void cmp(Condition condition, CiValue left, int right) { |
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217 cmp(condition, left, right, null); |
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218 } |
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219 |
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220 public void cmove(Condition condition, CiValue src1, CiValue src2, CiValue dst) { |
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221 append(new LIROp2(LIROpcode.Cmove, condition, src1, src2, dst)); |
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222 } |
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223 |
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224 public void abs(CiValue from, CiValue to, CiValue tmp) { |
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225 append(new LIROp2(LIROpcode.Abs, from, tmp, to)); |
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226 } |
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227 |
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228 public void sqrt(CiValue from, CiValue to, CiValue tmp) { |
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229 append(new LIROp2(LIROpcode.Sqrt, from, tmp, to)); |
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230 } |
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231 |
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232 public void log(CiValue from, CiValue to, CiValue tmp) { |
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233 append(new LIROp2(LIROpcode.Log, from, tmp, to)); |
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234 } |
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235 |
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236 public void log10(CiValue from, CiValue to, CiValue tmp) { |
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237 append(new LIROp2(LIROpcode.Log10, from, tmp, to)); |
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238 } |
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239 |
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240 public void sin(CiValue from, CiValue to, CiValue tmp1, CiValue tmp2) { |
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241 append(new LIROp2(LIROpcode.Sin, from, tmp1, to, tmp2)); |
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242 } |
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243 |
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244 public void cos(CiValue from, CiValue to, CiValue tmp1, CiValue tmp2) { |
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245 append(new LIROp2(LIROpcode.Cos, from, tmp1, to, tmp2)); |
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246 } |
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247 |
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248 public void tan(CiValue from, CiValue to, CiValue tmp1, CiValue tmp2) { |
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249 append(new LIROp2(LIROpcode.Tan, from, tmp1, to, tmp2)); |
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250 } |
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251 |
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252 public void add(CiValue left, CiValue right, CiValue res) { |
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253 append(new LIROp2(LIROpcode.Add, left, right, res)); |
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254 } |
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255 |
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256 public void sub(CiValue left, CiValue right, CiValue res) { |
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257 append(new LIROp2(LIROpcode.Sub, left, right, res)); |
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258 } |
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259 |
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260 public void mul(CiValue left, CiValue right, CiValue res) { |
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261 append(new LIROp2(LIROpcode.Mul, left, right, res)); |
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262 } |
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263 |
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264 public void div(CiValue left, CiValue right, CiValue res, LIRDebugInfo info) { |
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265 append(new LIROp2(LIROpcode.Div, left, right, res, info)); |
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266 } |
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267 |
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268 public void rem(CiValue left, CiValue right, CiValue res, LIRDebugInfo info) { |
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269 append(new LIROp2(LIROpcode.Rem, left, right, res, info)); |
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270 } |
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271 |
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272 public void jump(BlockBegin block) { |
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273 append(new LIRBranch(Condition.TRUE, CiKind.Illegal, block)); |
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274 } |
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275 |
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276 public void branch(Condition cond, Label lbl) { |
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277 append(new LIRBranch(cond, lbl)); |
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278 } |
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279 |
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280 public void branch(Condition cond, Label lbl, LIRDebugInfo info) { |
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281 append(new LIRBranch(cond, lbl, info)); |
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282 } |
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283 |
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284 public void branch(Condition cond, CiKind kind, BlockBegin block) { |
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285 assert kind != CiKind.Float && kind != CiKind.Double : "no fp comparisons"; |
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286 append(new LIRBranch(cond, kind, block)); |
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287 } |
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288 |
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289 public void branch(Condition cond, CiKind kind, BlockBegin block, BlockBegin unordered) { |
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290 assert kind == CiKind.Float || kind == CiKind.Double : "fp comparisons only"; |
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291 append(new LIRBranch(cond, kind, block, unordered)); |
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292 } |
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293 |
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294 public void tableswitch(CiValue index, int lowKey, BlockBegin defaultTargets, BlockBegin[] targets) { |
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295 append(new LIRTableSwitch(index, lowKey, defaultTargets, targets)); |
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296 } |
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297 |
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298 public void shiftLeft(CiValue value, int count, CiValue dst) { |
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299 shiftLeft(value, CiConstant.forInt(count), dst, CiValue.IllegalValue); |
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300 } |
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301 |
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302 public void shiftRight(CiValue value, int count, CiValue dst) { |
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303 shiftRight(value, CiConstant.forInt(count), dst, CiValue.IllegalValue); |
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304 } |
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305 |
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306 public void lcmp2int(CiValue left, CiValue right, CiValue dst) { |
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307 append(new LIROp2(LIROpcode.Cmpl2i, left, right, dst)); |
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308 } |
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309 |
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310 public void callRuntime(CiRuntimeCall rtCall, CiValue result, List<CiValue> arguments, LIRDebugInfo info) { |
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311 append(new LIRCall(runtimeCallOp, rtCall, result, arguments, info, null, false, null)); |
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312 } |
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313 |
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314 public void pause() { |
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315 append(new LIROp0(LIROpcode.Pause)); |
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316 } |
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317 |
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318 public void breakpoint() { |
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319 append(new LIROp0(LIROpcode.Breakpoint)); |
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320 } |
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321 |
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322 public void prefetch(CiAddress addr, boolean isStore) { |
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323 append(new LIROp1(isStore ? LIROpcode.Prefetchw : LIROpcode.Prefetchr, addr)); |
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324 } |
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325 |
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326 public void idiv(CiValue left, CiValue right, CiValue res, CiValue tmp, LIRDebugInfo info) { |
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327 append(new LIROp3(LIROpcode.Idiv, left, right, tmp, res, info)); |
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328 } |
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329 |
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330 public void irem(CiValue left, CiValue right, CiValue res, CiValue tmp, LIRDebugInfo info) { |
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331 append(new LIROp3(LIROpcode.Irem, left, right, tmp, res, info)); |
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332 } |
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333 |
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334 public void ldiv(CiValue left, CiValue right, CiValue res, CiValue tmp, LIRDebugInfo info) { |
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335 append(new LIROp3(LIROpcode.Ldiv, left, right, tmp, res, info)); |
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336 } |
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337 |
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338 public void lrem(CiValue left, CiValue right, CiValue res, CiValue tmp, LIRDebugInfo info) { |
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339 append(new LIROp3(LIROpcode.Lrem, left, right, tmp, res, info)); |
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340 } |
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341 |
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342 public void lsb(CiValue src, CiValue dst) { |
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343 append(new LIRSignificantBit(LIROpcode.Lsb, src, dst)); |
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344 } |
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345 |
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346 public void msb(CiValue src, CiValue dst) { |
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347 append(new LIRSignificantBit(LIROpcode.Msb, src, dst)); |
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348 } |
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349 |
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350 public void wdiv(CiValue left, CiValue right, CiValue res, CiValue tmp, LIRDebugInfo info) { |
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351 append(new LIROp3(LIROpcode.Wdiv, left, right, tmp, res, info)); |
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352 } |
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353 |
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354 public void wrem(CiValue left, CiValue right, CiValue res, CiValue tmp, LIRDebugInfo info) { |
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355 append(new LIROp3(LIROpcode.Wrem, left, right, tmp, res, info)); |
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356 } |
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357 |
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358 public void wdivi(CiValue left, CiValue right, CiValue res, CiValue tmp, LIRDebugInfo info) { |
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359 append(new LIROp3(LIROpcode.Wdivi, left, right, tmp, res, info)); |
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360 } |
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361 |
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362 public void wremi(CiValue left, CiValue right, CiValue res, CiValue tmp, LIRDebugInfo info) { |
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363 append(new LIROp3(LIROpcode.Wremi, left, right, tmp, res, info)); |
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364 } |
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365 |
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366 public void cmpMemInt(Condition condition, CiValue base, int disp, int c, LIRDebugInfo info) { |
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367 append(new LIROp2(LIROpcode.Cmp, condition, new CiAddress(CiKind.Int, base, disp), CiConstant.forInt(c), info)); |
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368 } |
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369 |
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370 public void cmpRegMem(Condition condition, CiValue reg, CiAddress addr, LIRDebugInfo info) { |
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371 append(new LIROp2(LIROpcode.Cmp, condition, reg, addr, info)); |
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372 } |
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373 |
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374 public void shiftLeft(CiValue value, CiValue count, CiValue dst, CiValue tmp) { |
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375 append(new LIROp2(LIROpcode.Shl, value, count, dst, tmp)); |
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376 } |
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377 |
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378 public void shiftRight(CiValue value, CiValue count, CiValue dst, CiValue tmp) { |
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379 append(new LIROp2(LIROpcode.Shr, value, count, dst, tmp)); |
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380 } |
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381 |
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382 public void unsignedShiftRight(CiValue value, CiValue count, CiValue dst, CiValue tmp) { |
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383 append(new LIROp2(LIROpcode.Ushr, value, count, dst, tmp)); |
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384 } |
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385 |
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386 public void fcmp2int(CiValue left, CiValue right, CiValue dst, boolean isUnorderedLess) { |
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387 append(new LIROp2(isUnorderedLess ? LIROpcode.Ucmpfd2i : LIROpcode.Cmpfd2i, left, right, dst)); |
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388 } |
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389 |
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390 public void casLong(CiValue addr, CiValue cmpValue, CiValue newValue) { |
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391 // Compare and swap produces condition code "zero" if contentsOf(addr) == cmpValue, |
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392 // implying successful swap of newValue into addr |
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393 append(new LIRCompareAndSwap(LIROpcode.CasLong, addr, cmpValue, newValue)); |
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394 } |
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395 |
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396 public void casObj(CiValue addr, CiValue cmpValue, CiValue newValue) { |
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397 // Compare and swap produces condition code "zero" if contentsOf(addr) == cmpValue, |
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398 // implying successful swap of newValue into addr |
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399 append(new LIRCompareAndSwap(LIROpcode.CasObj, addr, cmpValue, newValue)); |
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400 } |
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401 |
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402 public void casInt(CiValue addr, CiValue cmpValue, CiValue newValue) { |
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403 // Compare and swap produces condition code "zero" if contentsOf(addr) == cmpValue, |
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404 // implying successful swap of newValue into addr |
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405 append(new LIRCompareAndSwap(LIROpcode.CasInt, addr, cmpValue, newValue)); |
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406 } |
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407 |
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408 public void store(CiValue src, CiAddress dst, LIRDebugInfo info) { |
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409 append(new LIROp1(LIROpcode.Move, src, dst, dst.kind, info)); |
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410 } |
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411 |
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412 public void load(CiAddress src, CiValue dst, LIRDebugInfo info) { |
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413 append(new LIROp1(LIROpcode.Move, src, dst, src.kind, info)); |
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414 } |
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415 |
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416 public static void printBlock(BlockBegin x) { |
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417 // print block id |
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418 BlockEnd end = x.end(); |
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419 TTY.print("B%d ", x.blockID); |
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420 |
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421 // print flags |
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422 if (x.checkBlockFlag(BlockBegin.BlockFlag.StandardEntry)) { |
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423 TTY.print("std "); |
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424 } |
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425 if (x.checkBlockFlag(BlockBegin.BlockFlag.OsrEntry)) { |
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426 TTY.print("osr "); |
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427 } |
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428 if (x.checkBlockFlag(BlockBegin.BlockFlag.ExceptionEntry)) { |
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429 TTY.print("ex "); |
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430 } |
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431 if (x.checkBlockFlag(BlockBegin.BlockFlag.SubroutineEntry)) { |
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432 TTY.print("jsr "); |
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433 } |
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434 if (x.checkBlockFlag(BlockBegin.BlockFlag.BackwardBranchTarget)) { |
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435 TTY.print("bb "); |
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436 } |
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437 if (x.checkBlockFlag(BlockBegin.BlockFlag.LinearScanLoopHeader)) { |
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438 TTY.print("lh "); |
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439 } |
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440 if (x.checkBlockFlag(BlockBegin.BlockFlag.LinearScanLoopEnd)) { |
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441 TTY.print("le "); |
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442 } |
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443 |
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444 // print block bci range |
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445 TTY.print("[%d, %d] ", x.bci(), (end == null ? -1 : end.bci())); |
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|
446 |
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447 // print predecessors and successors |
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448 if (x.numberOfPreds() > 0) { |
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449 TTY.print("preds: "); |
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450 for (int i = 0; i < x.numberOfPreds(); i++) { |
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451 TTY.print("B%d ", x.predAt(i).blockID); |
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452 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
453 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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|
454 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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455 if (x.numberOfSux() > 0) { |
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456 TTY.print("sux: "); |
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457 for (int i = 0; i < x.numberOfSux(); i++) { |
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458 TTY.print("B%d ", x.suxAt(i).blockID); |
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parents:
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|
459 } |
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parents:
diff
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|
460 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
461 |
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|
462 // print exception handlers |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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463 if (x.numberOfExceptionHandlers() > 0) { |
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464 TTY.print("xhandler: "); |
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465 for (int i = 0; i < x.numberOfExceptionHandlers(); i++) { |
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466 TTY.print("B%d ", x.exceptionHandlerAt(i).blockID); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
467 } |
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parents:
diff
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|
468 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
469 |
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|
470 TTY.println(); |
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parents:
diff
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|
471 } |
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parents:
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|
472 |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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473 public static void printLIR(List<BlockBegin> blocks) { |
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474 if (TTY.isSuppressed()) { |
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475 return; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
476 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
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|
477 TTY.println("LIR:"); |
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478 int i; |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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479 for (i = 0; i < blocks.size(); i++) { |
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parents:
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480 BlockBegin bb = blocks.get(i); |
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481 printBlock(bb); |
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parents:
diff
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482 TTY.println("__id_Instruction___________________________________________"); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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483 bb.lir().printInstructions(); |
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parents:
diff
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|
484 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
485 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
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|
486 |
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parents:
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487 private void printInstructions() { |
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parents:
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488 for (int i = 0; i < operations.size(); i++) { |
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parents:
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489 TTY.println(operations.get(i).toStringWithIdPrefix()); |
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parents:
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490 TTY.println(); |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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491 } |
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492 TTY.println(); |
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493 } |
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494 |
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495 public void append(LIRInsertionBuffer buffer) { |
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496 assert this == buffer.lirList() : "wrong lir list"; |
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497 int n = operations.size(); |
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498 |
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499 if (buffer.numberOfOps() > 0) { |
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500 // increase size of instructions list |
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501 for (int i = 0; i < buffer.numberOfOps(); i++) { |
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502 operations.add(null); |
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503 } |
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504 // insert ops from buffer into instructions list |
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505 int opIndex = buffer.numberOfOps() - 1; |
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506 int ipIndex = buffer.numberOfInsertionPoints() - 1; |
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507 int fromIndex = n - 1; |
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508 int toIndex = operations.size() - 1; |
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509 for (; ipIndex >= 0; ipIndex--) { |
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510 int index = buffer.indexAt(ipIndex); |
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511 // make room after insertion point |
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512 while (index < fromIndex) { |
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513 operations.set(toIndex--, operations.get(fromIndex--)); |
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514 } |
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515 // insert ops from buffer |
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516 for (int i = buffer.countAt(ipIndex); i > 0; i--) { |
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517 operations.set(toIndex--, buffer.opAt(opIndex--)); |
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518 } |
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519 } |
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520 } |
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521 |
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522 buffer.finish(); |
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523 } |
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524 |
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525 public void insertBefore(int i, LIRInstruction op) { |
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526 operations.add(i, op); |
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527 } |
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528 |
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529 public void xir(XirSnippet snippet, CiValue[] operands, CiValue outputOperand, int tempInputCount, int tempCount, CiValue[] inputOperands, int[] operandIndices, int outputOperandIndex, |
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530 LIRDebugInfo info, LIRDebugInfo infoAfter, RiMethod method, List<CiValue> pointerSlots) { |
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531 append(new LIRXirInstruction(snippet, operands, outputOperand, tempInputCount, tempCount, inputOperands, operandIndices, outputOperandIndex, info, infoAfter, method, pointerSlots)); |
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532 } |
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533 } |