Mercurial > hg > truffle
annotate graal/GraalCompiler/src/com/sun/c1x/lir/LIRList.java @ 2789:aeccd2af4e9e
Fixes around critical edge split and placeholder removal after goto removal.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 25 May 2011 16:48:28 +0200 |
parents | a2f62de90c76 |
children | 1cd59ca9ac86 |
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.oracle.max.asm.*; |
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28 import com.sun.c1x.*; |
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29 import com.sun.c1x.alloc.*; |
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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.cri.ci.*; |
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35 import com.sun.cri.ci.CiTargetMethod.*; |
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36 import com.sun.cri.ri.*; |
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37 import com.sun.cri.xir.*; |
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38 import com.sun.cri.xir.CiXirAssembler.*; |
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39 |
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40 /** |
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41 * This class represents a list of LIR instructions and contains factory methods for creating and appending LIR |
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42 * instructions to this list. |
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43 */ |
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44 public final class LIRList { |
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45 |
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46 private List<LIRInstruction> operations; |
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47 private final LIRGenerator generator; |
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48 |
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49 private final LIROpcode runtimeCallOp; |
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50 |
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51 private LIROpcode directCallOp(RiMethod method) { |
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52 return C1XOptions.UseConstDirectCall && method.hasCompiledCode() ? LIROpcode.ConstDirectCall : LIROpcode.DirectCall; |
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53 } |
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54 |
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55 public LIRList(LIRGenerator generator) { |
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56 this.generator = generator; |
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57 this.operations = new ArrayList<LIRInstruction>(8); |
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58 runtimeCallOp = C1XOptions.UseConstDirectCall ? LIROpcode.ConstDirectCall : LIROpcode.DirectCall; |
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59 } |
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60 |
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61 private void append(LIRInstruction op) { |
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62 if (C1XOptions.PrintIRWithLIR && !TTY.isSuppressed()) { |
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63 generator.maybePrintCurrentInstruction(); |
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64 TTY.println(op.toStringWithIdPrefix()); |
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65 TTY.println(); |
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66 } |
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67 operations.add(op); |
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68 assert op.verify(); |
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69 } |
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70 |
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71 public List<LIRInstruction> instructionsList() { |
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72 return operations; |
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73 } |
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74 |
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75 public int length() { |
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76 return operations.size(); |
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77 } |
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78 |
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79 public LIRInstruction at(int i) { |
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80 return operations.get(i); |
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81 } |
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82 |
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83 public void callDirect(RiMethod method, CiValue result, List<CiValue> arguments, LIRDebugInfo info, Map<XirMark, Mark> marks, List<CiValue> pointerSlots) { |
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84 append(new LIRCall(directCallOp(method), method, result, arguments, info, marks, false, pointerSlots)); |
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85 } |
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86 |
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87 public void callIndirect(RiMethod method, CiValue result, List<CiValue> arguments, LIRDebugInfo info, Map<XirMark, Mark> marks, List<CiValue> pointerSlots) { |
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88 append(new LIRCall(LIROpcode.IndirectCall, method, result, arguments, info, marks, false, pointerSlots)); |
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89 } |
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90 |
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91 public void callNative(String symbol, CiValue result, List<CiValue> arguments, LIRDebugInfo info, Map<XirMark, Mark> marks) { |
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92 append(new LIRCall(LIROpcode.NativeCall, symbol, result, arguments, info, marks, false, null)); |
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93 } |
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94 |
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95 public void templateCall(CiValue result, List<CiValue> arguments) { |
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96 append(new LIRCall(LIROpcode.TemplateCall, null, result, arguments, null, null, false, null)); |
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97 } |
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98 |
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99 public void membar(int barriers) { |
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100 append(new LIRMemoryBarrier(barriers)); |
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101 } |
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102 |
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103 public void branchDestination(Label lbl) { |
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104 append(new LIRLabel(lbl)); |
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105 } |
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106 |
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107 public void negate(CiValue src, CiValue dst, GlobalStub globalStub) { |
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108 LIRNegate op = new LIRNegate(src, dst); |
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109 op.globalStub = globalStub; |
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110 append(op); |
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111 } |
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112 |
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113 public void lea(CiValue src, CiValue dst) { |
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114 append(new LIROp1(LIROpcode.Lea, src, dst)); |
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115 } |
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116 |
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117 public void unalignedMove(CiValue src, CiValue dst) { |
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118 append(new LIROp1(LIROp1.LIRMoveKind.Unaligned, src, dst, dst.kind, null)); |
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119 } |
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120 |
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121 public void move(CiAddress src, CiValue dst, LIRDebugInfo info) { |
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122 append(new LIROp1(LIROpcode.Move, src, dst, src.kind, info)); |
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123 } |
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124 |
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125 public void move(CiValue src, CiAddress dst, LIRDebugInfo info) { |
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126 append(new LIROp1(LIROpcode.Move, src, dst, dst.kind, info)); |
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127 } |
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128 |
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129 public void move(CiValue src, CiValue dst, CiKind kind) { |
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130 append(new LIROp1(LIROpcode.Move, src, dst, kind, null)); |
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131 } |
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132 |
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133 public void move(CiValue src, CiValue dst) { |
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134 append(new LIROp1(LIROpcode.Move, src, dst, dst.kind, null)); |
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135 } |
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136 |
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137 public void volatileMove(CiValue src, CiValue dst, CiKind kind, LIRDebugInfo info) { |
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138 append(new LIROp1(LIROp1.LIRMoveKind.Volatile, src, dst, kind, info)); |
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139 } |
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140 |
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141 public void oop2reg(Object o, CiValue reg) { |
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142 append(new LIROp1(LIROpcode.Move, CiConstant.forObject(o), reg)); |
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143 } |
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144 |
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145 public void returnOp(CiValue result) { |
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146 append(new LIROp1(LIROpcode.Return, result)); |
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147 } |
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148 |
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149 public void monitorAddress(int monitor, CiValue dst) { |
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150 append(new LIRMonitorAddress(dst, monitor)); |
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151 } |
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152 |
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153 public void convert(int code, CiValue left, CiValue dst, GlobalStub globalStub) { |
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154 LIRConvert op = new LIRConvert(code, left, dst); |
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155 op.globalStub = globalStub; |
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156 append(op); |
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157 } |
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158 |
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159 public void logicalAnd(CiValue left, CiValue right, CiValue dst) { |
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160 append(new LIROp2(LIROpcode.LogicAnd, left, right, dst)); |
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161 } |
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162 |
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163 public void logicalOr(CiValue left, CiValue right, CiValue dst) { |
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164 append(new LIROp2(LIROpcode.LogicOr, left, right, dst)); |
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165 } |
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166 |
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167 public void logicalXor(CiValue left, CiValue right, CiValue dst) { |
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168 append(new LIROp2(LIROpcode.LogicXor, left, right, dst)); |
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169 } |
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170 |
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171 public void nullCheck(CiValue opr, LIRDebugInfo info) { |
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172 append(new LIROp1(LIROpcode.NullCheck, opr, info)); |
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173 } |
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174 |
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175 public void throwException(CiValue exceptionPC, CiValue exceptionOop, LIRDebugInfo info) { |
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176 append(new LIROp2(LIROpcode.Throw, exceptionPC, exceptionOop, CiValue.IllegalValue, info, CiKind.Illegal, true)); |
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177 } |
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178 |
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179 public void compareTo(CiValue left, CiValue right, CiValue dst) { |
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180 append(new LIROp2(LIROpcode.CompareTo, left, right, dst)); |
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181 } |
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182 |
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183 public void cmp(Condition condition, CiValue left, CiValue right, LIRDebugInfo info) { |
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184 append(new LIROp2(LIROpcode.Cmp, condition, left, right, info)); |
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185 } |
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186 |
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187 public void cmp(Condition condition, CiValue left, CiValue right) { |
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188 cmp(condition, left, right, null); |
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189 } |
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190 |
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191 public void cmp(Condition condition, CiValue left, int right, LIRDebugInfo info) { |
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192 cmp(condition, left, CiConstant.forInt(right), info); |
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193 } |
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194 |
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195 public void cmp(Condition condition, CiValue left, int right) { |
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196 cmp(condition, left, right, null); |
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197 } |
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198 |
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199 public void cmove(Condition condition, CiValue src1, CiValue src2, CiValue dst) { |
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200 append(new LIROp2(LIROpcode.Cmove, condition, src1, src2, dst)); |
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201 } |
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202 |
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203 public void abs(CiValue from, CiValue to, CiValue tmp) { |
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204 append(new LIROp2(LIROpcode.Abs, from, tmp, to)); |
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205 } |
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206 |
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207 public void sqrt(CiValue from, CiValue to, CiValue tmp) { |
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208 append(new LIROp2(LIROpcode.Sqrt, from, tmp, to)); |
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209 } |
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210 |
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211 public void log(CiValue from, CiValue to, CiValue tmp) { |
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212 append(new LIROp2(LIROpcode.Log, from, tmp, to)); |
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213 } |
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214 |
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215 public void log10(CiValue from, CiValue to, CiValue tmp) { |
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216 append(new LIROp2(LIROpcode.Log10, from, tmp, to)); |
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217 } |
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218 |
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219 public void sin(CiValue from, CiValue to, CiValue tmp1, CiValue tmp2) { |
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220 append(new LIROp2(LIROpcode.Sin, from, tmp1, to, tmp2)); |
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221 } |
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222 |
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223 public void cos(CiValue from, CiValue to, CiValue tmp1, CiValue tmp2) { |
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224 append(new LIROp2(LIROpcode.Cos, from, tmp1, to, tmp2)); |
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225 } |
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226 |
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227 public void tan(CiValue from, CiValue to, CiValue tmp1, CiValue tmp2) { |
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228 append(new LIROp2(LIROpcode.Tan, from, tmp1, to, tmp2)); |
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229 } |
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230 |
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231 public void add(CiValue left, CiValue right, CiValue res) { |
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232 append(new LIROp2(LIROpcode.Add, left, right, res)); |
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233 } |
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234 |
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235 public void sub(CiValue left, CiValue right, CiValue res) { |
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236 append(new LIROp2(LIROpcode.Sub, left, right, res)); |
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237 } |
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238 |
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239 public void mul(CiValue left, CiValue right, CiValue res) { |
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240 append(new LIROp2(LIROpcode.Mul, left, right, res)); |
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241 } |
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242 |
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243 public void div(CiValue left, CiValue right, CiValue res, LIRDebugInfo info) { |
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244 append(new LIROp2(LIROpcode.Div, left, right, res, info)); |
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245 } |
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246 |
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247 public void rem(CiValue left, CiValue right, CiValue res, LIRDebugInfo info) { |
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248 append(new LIROp2(LIROpcode.Rem, left, right, res, info)); |
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249 } |
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250 |
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251 public void jump(LIRBlock block) { |
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252 append(new LIRBranch(Condition.TRUE, CiKind.Illegal, block)); |
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253 } |
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254 |
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255 public void branch(Condition cond, Label lbl) { |
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256 append(new LIRBranch(cond, lbl)); |
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257 } |
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258 |
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259 public void branch(Condition cond, Label lbl, LIRDebugInfo info) { |
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260 append(new LIRBranch(cond, lbl, info)); |
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261 } |
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262 |
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263 public void branch(Condition cond, CiKind kind, LIRBlock block) { |
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264 assert kind != CiKind.Float && kind != CiKind.Double : "no fp comparisons"; |
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265 append(new LIRBranch(cond, kind, block)); |
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266 } |
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267 |
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268 public void branch(Condition cond, CiKind kind, LIRBlock block, LIRBlock unordered) { |
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269 assert kind == CiKind.Float || kind == CiKind.Double : "fp comparisons only"; |
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270 append(new LIRBranch(cond, kind, block, unordered)); |
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271 } |
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272 |
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273 public void tableswitch(CiValue index, int lowKey, LIRBlock defaultTargets, LIRBlock[] targets) { |
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274 append(new LIRTableSwitch(index, lowKey, defaultTargets, targets)); |
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275 } |
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276 |
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277 public void shiftLeft(CiValue value, int count, CiValue dst) { |
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278 shiftLeft(value, CiConstant.forInt(count), dst, CiValue.IllegalValue); |
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279 } |
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280 |
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281 public void shiftRight(CiValue value, int count, CiValue dst) { |
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282 shiftRight(value, CiConstant.forInt(count), dst, CiValue.IllegalValue); |
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283 } |
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284 |
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285 public void lcmp2int(CiValue left, CiValue right, CiValue dst) { |
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286 append(new LIROp2(LIROpcode.Cmpl2i, left, right, dst)); |
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287 } |
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288 |
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289 public void callRuntime(CiRuntimeCall rtCall, CiValue result, List<CiValue> arguments, LIRDebugInfo info) { |
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290 append(new LIRCall(runtimeCallOp, rtCall, result, arguments, info, null, false, null)); |
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291 } |
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292 |
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293 public void breakpoint() { |
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294 append(new LIROp0(LIROpcode.Breakpoint)); |
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295 } |
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296 |
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297 public void prefetch(CiAddress addr, boolean isStore) { |
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298 append(new LIROp1(isStore ? LIROpcode.Prefetchw : LIROpcode.Prefetchr, addr)); |
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299 } |
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300 |
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301 public void idiv(CiValue left, CiValue right, CiValue res, CiValue tmp, LIRDebugInfo info) { |
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302 append(new LIROp3(LIROpcode.Idiv, left, right, tmp, res, info)); |
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303 } |
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304 |
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305 public void irem(CiValue left, CiValue right, CiValue res, CiValue tmp, LIRDebugInfo info) { |
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306 append(new LIROp3(LIROpcode.Irem, left, right, tmp, res, info)); |
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307 } |
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308 |
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309 public void ldiv(CiValue left, CiValue right, CiValue res, CiValue tmp, LIRDebugInfo info) { |
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310 append(new LIROp3(LIROpcode.Ldiv, left, right, tmp, res, info)); |
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311 } |
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312 |
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313 public void lrem(CiValue left, CiValue right, CiValue res, CiValue tmp, LIRDebugInfo info) { |
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314 append(new LIROp3(LIROpcode.Lrem, left, right, tmp, res, info)); |
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315 } |
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316 |
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317 public void lsb(CiValue src, CiValue dst) { |
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318 append(new LIRSignificantBit(LIROpcode.Lsb, src, dst)); |
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319 } |
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320 |
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321 public void msb(CiValue src, CiValue dst) { |
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322 append(new LIRSignificantBit(LIROpcode.Msb, src, dst)); |
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323 } |
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324 |
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325 public void wdiv(CiValue left, CiValue right, CiValue res, CiValue tmp, LIRDebugInfo info) { |
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326 append(new LIROp3(LIROpcode.Wdiv, left, right, tmp, res, info)); |
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327 } |
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328 |
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329 public void wrem(CiValue left, CiValue right, CiValue res, CiValue tmp, LIRDebugInfo info) { |
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330 append(new LIROp3(LIROpcode.Wrem, left, right, tmp, res, info)); |
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331 } |
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332 |
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333 public void wdivi(CiValue left, CiValue right, CiValue res, CiValue tmp, LIRDebugInfo info) { |
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334 append(new LIROp3(LIROpcode.Wdivi, left, right, tmp, res, info)); |
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335 } |
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336 |
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337 public void wremi(CiValue left, CiValue right, CiValue res, CiValue tmp, LIRDebugInfo info) { |
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338 append(new LIROp3(LIROpcode.Wremi, left, right, tmp, res, info)); |
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339 } |
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340 |
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341 public void cmpMemInt(Condition condition, CiValue base, int disp, int c, LIRDebugInfo info) { |
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342 append(new LIROp2(LIROpcode.Cmp, condition, new CiAddress(CiKind.Int, base, disp), CiConstant.forInt(c), info)); |
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343 } |
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344 |
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345 public void cmpRegMem(Condition condition, CiValue reg, CiAddress addr, LIRDebugInfo info) { |
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346 append(new LIROp2(LIROpcode.Cmp, condition, reg, addr, info)); |
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347 } |
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348 |
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349 public void shiftLeft(CiValue value, CiValue count, CiValue dst, CiValue tmp) { |
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350 append(new LIROp2(LIROpcode.Shl, value, count, dst, tmp)); |
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351 } |
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352 |
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353 public void shiftRight(CiValue value, CiValue count, CiValue dst, CiValue tmp) { |
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354 append(new LIROp2(LIROpcode.Shr, value, count, dst, tmp)); |
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355 } |
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356 |
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357 public void unsignedShiftRight(CiValue value, CiValue count, CiValue dst, CiValue tmp) { |
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358 append(new LIROp2(LIROpcode.Ushr, value, count, dst, tmp)); |
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359 } |
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360 |
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361 public void fcmp2int(CiValue left, CiValue right, CiValue dst, boolean isUnorderedLess) { |
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362 append(new LIROp2(isUnorderedLess ? LIROpcode.Ucmpfd2i : LIROpcode.Cmpfd2i, left, right, dst)); |
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363 } |
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364 |
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365 public void casLong(CiValue addr, CiValue cmpValue, CiValue newValue) { |
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366 // Compare and swap produces condition code "zero" if contentsOf(addr) == cmpValue, |
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367 // implying successful swap of newValue into addr |
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368 append(new LIRCompareAndSwap(LIROpcode.CasLong, addr, cmpValue, newValue)); |
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369 } |
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370 |
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371 public void casObj(CiValue addr, CiValue cmpValue, CiValue newValue) { |
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372 // Compare and swap produces condition code "zero" if contentsOf(addr) == cmpValue, |
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373 // implying successful swap of newValue into addr |
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374 append(new LIRCompareAndSwap(LIROpcode.CasObj, addr, cmpValue, newValue)); |
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375 } |
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376 |
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377 public void casInt(CiValue addr, CiValue cmpValue, CiValue newValue) { |
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378 // Compare and swap produces condition code "zero" if contentsOf(addr) == cmpValue, |
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379 // implying successful swap of newValue into addr |
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380 append(new LIRCompareAndSwap(LIROpcode.CasInt, addr, cmpValue, newValue)); |
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381 } |
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382 |
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383 public void store(CiValue src, CiAddress dst, LIRDebugInfo info) { |
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384 append(new LIROp1(LIROpcode.Move, src, dst, dst.kind, info)); |
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385 } |
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386 |
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387 public void load(CiAddress src, CiValue dst, LIRDebugInfo info) { |
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388 append(new LIROp1(LIROpcode.Move, src, dst, src.kind, info)); |
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389 } |
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390 |
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391 public static void printBlock(LIRBlock x) { |
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392 // print block id |
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393 TTY.print("B%d ", x.blockID()); |
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394 |
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395 // print flags |
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396 if (x.isLinearScanLoopHeader()) { |
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397 TTY.print("lh "); |
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398 } |
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399 if (x.isLinearScanLoopEnd()) { |
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400 TTY.print("le "); |
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401 } |
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402 |
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403 // print block bci range |
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404 TTY.print("[%d, %d] ", -1, -1); |
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405 |
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406 // print predecessors and successors |
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407 if (x.numberOfPreds() > 0) { |
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408 TTY.print("preds: "); |
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409 for (int i = 0; i < x.numberOfPreds(); i++) { |
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410 TTY.print("B%d ", x.predAt(i).blockID()); |
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411 } |
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412 } |
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413 |
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414 if (x.numberOfSux() > 0) { |
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415 TTY.print("sux: "); |
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416 for (int i = 0; i < x.numberOfSux(); i++) { |
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417 TTY.print("B%d ", x.suxAt(i).blockID()); |
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418 } |
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419 } |
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420 |
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421 TTY.println(); |
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422 } |
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423 |
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424 public static void printLIR(List<LIRBlock> blocks) { |
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425 if (TTY.isSuppressed()) { |
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426 return; |
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427 } |
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428 TTY.println("LIR:"); |
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429 int i; |
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430 for (i = 0; i < blocks.size(); i++) { |
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431 LIRBlock bb = blocks.get(i); |
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432 printBlock(bb); |
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433 TTY.println("__id_Instruction___________________________________________"); |
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434 bb.lir().printInstructions(); |
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435 } |
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436 } |
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|
437 |
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438 private void printInstructions() { |
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439 for (int i = 0; i < operations.size(); i++) { |
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440 TTY.println(operations.get(i).toStringWithIdPrefix()); |
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441 TTY.println(); |
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442 } |
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443 TTY.println(); |
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444 } |
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445 |
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446 public void append(LIRInsertionBuffer buffer) { |
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447 assert this == buffer.lirList() : "wrong lir list"; |
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448 int n = operations.size(); |
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|
449 |
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450 if (buffer.numberOfOps() > 0) { |
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451 // increase size of instructions list |
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452 for (int i = 0; i < buffer.numberOfOps(); i++) { |
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453 operations.add(null); |
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454 } |
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455 // insert ops from buffer into instructions list |
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456 int opIndex = buffer.numberOfOps() - 1; |
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457 int ipIndex = buffer.numberOfInsertionPoints() - 1; |
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458 int fromIndex = n - 1; |
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459 int toIndex = operations.size() - 1; |
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460 for (; ipIndex >= 0; ipIndex--) { |
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461 int index = buffer.indexAt(ipIndex); |
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462 // make room after insertion point |
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463 while (index < fromIndex) { |
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464 operations.set(toIndex--, operations.get(fromIndex--)); |
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465 } |
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466 // insert ops from buffer |
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467 for (int i = buffer.countAt(ipIndex); i > 0; i--) { |
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468 operations.set(toIndex--, buffer.opAt(opIndex--)); |
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|
469 } |
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|
470 } |
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|
471 } |
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|
472 |
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473 buffer.finish(); |
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474 } |
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|
475 |
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476 public void insertBefore(int i, LIRInstruction op) { |
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477 operations.add(i, op); |
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478 } |
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|
479 |
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480 public void xir(XirSnippet snippet, CiValue[] operands, CiValue outputOperand, int tempInputCount, int tempCount, CiValue[] inputOperands, int[] operandIndices, int outputOperandIndex, |
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481 LIRDebugInfo info, LIRDebugInfo infoAfter, RiMethod method, List<CiValue> pointerSlots) { |
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482 append(new LIRXirInstruction(snippet, operands, outputOperand, tempInputCount, tempCount, inputOperands, operandIndices, outputOperandIndex, info, infoAfter, method, pointerSlots)); |
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483 } |
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484 } |