Mercurial > hg > graal-compiler
annotate graal/GraalCompiler/src/com/sun/c1x/lir/LIRAssembler.java @ 2772:3e3338a1abb9
Disabled dead phi elimination and phi simplifier.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Tue, 24 May 2011 10:27:15 +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.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.ir.*; |
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33 import com.sun.c1x.lir.FrameMap.*; |
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34 import com.sun.c1x.util.*; |
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35 import com.sun.cri.ci.*; |
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36 import com.sun.cri.ci.CiTargetMethod.*; |
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37 import com.sun.cri.ri.*; |
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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 * The {@code LIRAssembler} class definition. |
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42 */ |
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43 public abstract class LIRAssembler { |
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44 |
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45 public final C1XCompilation compilation; |
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46 public final TargetMethodAssembler tasm; |
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47 public final AbstractAssembler asm; |
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48 public final FrameMap frameMap; |
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49 public int registerRestoreEpilogueOffset = -1; |
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50 |
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51 protected final List<SlowPath> xirSlowPath; |
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52 protected final List<LIRBlock> branchTargetBlocks; |
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53 |
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54 private int lastDecodeStart; |
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55 |
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56 protected static class SlowPath { |
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57 public final LIRXirInstruction instruction; |
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58 public final Label[] labels; |
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59 public final Map<XirMark, Mark> marks; |
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60 |
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61 public SlowPath(LIRXirInstruction instruction, Label[] labels, Map<XirMark, Mark> marks) { |
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62 this.instruction = instruction; |
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63 this.labels = labels; |
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64 this.marks = marks; |
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65 } |
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66 } |
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67 |
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68 public LIRAssembler(C1XCompilation compilation) { |
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69 this.compilation = compilation; |
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70 this.tasm = compilation.assembler(); |
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71 this.asm = tasm.asm; |
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72 this.frameMap = compilation.frameMap(); |
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73 this.branchTargetBlocks = new ArrayList<LIRBlock>(); |
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74 this.xirSlowPath = new ArrayList<SlowPath>(); |
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75 } |
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76 |
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77 protected RiMethod method() { |
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78 return compilation.method; |
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79 } |
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80 |
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81 protected void addSlowPath(SlowPath sp) { |
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82 xirSlowPath.add(sp); |
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83 } |
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84 |
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85 public void emitLocalStubs() { |
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86 for (SlowPath sp : xirSlowPath) { |
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87 emitSlowPath(sp); |
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88 } |
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89 |
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90 // No more code may be emitted after this point |
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91 } |
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92 |
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93 protected int codePos() { |
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94 return asm.codeBuffer.position(); |
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95 } |
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96 |
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97 public abstract void emitTraps(); |
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98 |
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99 public void emitCode(List<LIRBlock> hir) { |
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100 if (C1XOptions.PrintLIR && !TTY.isSuppressed()) { |
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101 LIRList.printLIR(hir); |
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102 } |
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103 |
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104 for (LIRBlock b : hir) { |
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105 emitBlock(b); |
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106 } |
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107 |
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108 assert checkNoUnboundLabels(); |
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109 } |
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110 |
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111 void emitBlock(LIRBlock block) { |
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112 |
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113 block.setBlockEntryPco(codePos()); |
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114 |
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115 if (C1XOptions.PrintLIRWithAssembly) { |
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116 block.printWithoutPhis(TTY.out()); |
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117 } |
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118 |
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119 assert block.lir() != null : "must have LIR"; |
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120 if (C1XOptions.CommentedAssembly) { |
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121 String st = String.format(" block B%d", block.blockID()); |
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122 tasm.blockComment(st); |
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123 } |
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124 |
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125 emitLirList(block.lir()); |
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126 } |
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127 |
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128 void emitLirList(LIRList list) { |
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129 doPeephole(list); |
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130 |
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131 for (LIRInstruction op : list.instructionsList()) { |
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132 if (C1XOptions.CommentedAssembly) { |
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133 // Only print out branches |
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134 if (op.code == LIROpcode.Branch) { |
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135 tasm.blockComment(op.toStringWithIdPrefix()); |
2507
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136 } |
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137 } |
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138 if (C1XOptions.PrintLIRWithAssembly && !TTY.isSuppressed()) { |
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139 // print out the LIR operation followed by the resulting assembly |
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140 TTY.println(op.toStringWithIdPrefix()); |
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141 TTY.println(); |
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142 } |
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143 |
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144 op.emitCode(this); |
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145 |
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146 if (C1XOptions.PrintLIRWithAssembly) { |
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147 printAssembly(asm); |
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148 } |
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149 } |
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150 } |
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151 |
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152 private void printAssembly(AbstractAssembler asm) { |
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153 byte[] currentBytes = asm.codeBuffer.copyData(lastDecodeStart, asm.codeBuffer.position()); |
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154 if (currentBytes.length > 0) { |
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155 String disasm = compilation.runtime.disassemble(currentBytes, lastDecodeStart); |
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156 if (disasm.length() != 0) { |
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157 TTY.println(disasm); |
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158 } else { |
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159 TTY.println("Code [+%d]: %d bytes", lastDecodeStart, currentBytes.length); |
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160 Util.printBytes(lastDecodeStart, currentBytes, C1XOptions.PrintAssemblyBytesPerLine); |
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161 } |
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162 } |
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163 lastDecodeStart = asm.codeBuffer.position(); |
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164 } |
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165 |
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166 boolean checkNoUnboundLabels() { |
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167 for (int i = 0; i < branchTargetBlocks.size() - 1; i++) { |
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168 if (!branchTargetBlocks.get(i).label().isBound()) { |
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Removed target block references from LIR to BlockBegin instructions. Now there is a getLIRBlock method in the LIRGenerator.
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169 TTY.println(String.format("label of block B%d is not bound", branchTargetBlocks.get(i).blockID())); |
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170 assert false : "unbound label"; |
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171 } |
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172 } |
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173 |
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174 return true; |
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175 } |
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176 |
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177 void emitCall(LIRCall op) { |
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178 verifyOopMap(op.info); |
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179 |
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180 switch (op.code) { |
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181 case DirectCall: |
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182 emitCallAlignment(op.code); |
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183 // fall through |
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184 case ConstDirectCall: |
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Christian.Wimmer@Oracle.com
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185 if (op.marks != null) { |
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186 op.marks.put(XirMark.CALLSITE, tasm.recordMark(null, new Mark[0])); |
2507
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187 } |
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188 emitDirectCall(op.target, op.info); |
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189 break; |
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190 case IndirectCall: |
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191 emitCallAlignment(op.code); |
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192 if (op.marks != null) { |
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193 op.marks.put(XirMark.CALLSITE, tasm.recordMark(null, new Mark[0])); |
2507
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194 } |
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195 emitIndirectCall(op.target, op.info, op.targetAddress()); |
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196 break; |
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197 case NativeCall: { |
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198 emitNativeCall((String) op.target, op.info, op.targetAddress()); |
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199 break; |
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200 } |
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201 case TemplateCall: { |
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202 emitTemplateCall(op.targetAddress()); |
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203 break; |
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204 } |
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205 default: |
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206 throw Util.shouldNotReachHere(); |
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207 } |
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208 } |
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209 |
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210 void emitOpLabel(LIRLabel op) { |
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211 asm.bind(op.label()); |
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212 } |
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213 |
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214 void emitOp1(LIROp1 op) { |
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215 switch (op.code) { |
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216 case Move: |
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217 if (op.moveKind() == LIROp1.LIRMoveKind.Volatile) { |
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218 emitVolatileMove(op.operand(), op.result(), op.kind, op.info); |
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219 } else { |
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220 moveOp(op.operand(), op.result(), op.kind, op.info, op.moveKind() == LIROp1.LIRMoveKind.Unaligned); |
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221 } |
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222 break; |
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223 case Prefetchr: |
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224 emitReadPrefetch(op.operand()); |
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225 break; |
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226 case Prefetchw: |
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227 emitReadPrefetch(op.operand()); |
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228 break; |
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229 case Return: |
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230 emitReturn(op.operand()); |
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231 break; |
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232 case Neg: |
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233 emitNegate((LIRNegate) op); |
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234 break; |
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235 case Lea: |
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236 emitLea(op.operand(), op.result()); |
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237 break; |
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238 case NullCheck: |
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0ea5f12e873a
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Christian.Wimmer@Oracle.com
parents:
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239 emitNullCheck(op.operand(), op.info); |
2507
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240 break; |
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241 case Lsb: |
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242 emitSignificantBitOp(false, op.operand(), op.result()); |
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243 break; |
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244 case Msb: |
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245 emitSignificantBitOp(true, op.operand(), op.result()); |
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246 break; |
2677
0ea5f12e873a
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Christian.Wimmer@Oracle.com
parents:
2660
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|
247 default: |
2507
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248 throw Util.shouldNotReachHere(); |
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249 } |
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250 } |
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251 |
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252 public void emitOp0(LIROp0 op) { |
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253 switch (op.code) { |
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254 case Label: |
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255 throw Util.shouldNotReachHere(); |
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256 case Breakpoint: |
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257 emitBreakpoint(); |
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258 break; |
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259 default: |
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260 throw Util.shouldNotReachHere(); |
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261 } |
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262 } |
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263 |
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264 protected void emitOp2(LIROp2 op) { |
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265 switch (op.code) { |
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266 case Cmp: |
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267 emitCompare(op.condition(), op.operand1(), op.operand2(), op); |
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268 break; |
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269 |
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270 case Cmpl2i: |
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271 case Cmpfd2i: |
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272 case Ucmpfd2i: |
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273 emitCompare2Int(op.code, op.operand1(), op.operand2(), op.result(), op); |
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274 break; |
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275 |
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276 case Cmove: |
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277 emitConditionalMove(op.condition(), op.operand1(), op.operand2(), op.result()); |
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278 break; |
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279 |
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280 case Shl: |
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281 case Shr: |
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282 case Ushr: |
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283 if (op.operand2().isConstant()) { |
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284 emitShiftOp(op.code, op.operand1(), ((CiConstant) op.operand2()).asInt(), op.result()); |
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285 } else { |
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286 emitShiftOp(op.code, op.operand1(), op.operand2(), op.result(), op.tmp()); |
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287 } |
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288 break; |
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289 |
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290 case Add: |
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291 case Sub: |
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292 case Mul: |
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293 case Div: |
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294 case Rem: |
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295 emitArithOp(op.code, op.operand1(), op.operand2(), op.result(), op.info); |
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296 break; |
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297 |
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298 case Abs: |
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299 case Sqrt: |
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300 case Sin: |
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301 case Tan: |
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302 case Cos: |
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303 case Log: |
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304 case Log10: |
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305 emitIntrinsicOp(op.code, op.operand1(), op.operand2(), op.result(), op); |
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306 break; |
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307 |
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308 case LogicAnd: |
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309 case LogicOr: |
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310 case LogicXor: |
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311 emitLogicOp(op.code, op.operand1(), op.operand2(), op.result()); |
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312 break; |
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313 |
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314 case Throw: |
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315 emitThrow(op.operand1(), op.operand2(), op.info); |
2507
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316 break; |
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317 |
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318 default: |
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319 throw Util.shouldNotReachHere(); |
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320 } |
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321 } |
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322 |
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323 public void moveOp(CiValue src, CiValue dest, CiKind kind, LIRDebugInfo info, boolean unaligned) { |
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324 if (src.isRegister()) { |
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325 if (dest.isRegister()) { |
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326 assert info == null : "no patching and info allowed here"; |
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327 reg2reg(src, dest); |
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328 } else if (dest.isStackSlot()) { |
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329 assert info == null : "no patching and info allowed here"; |
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330 reg2stack(src, dest, kind); |
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331 } else if (dest.isAddress()) { |
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332 reg2mem(src, dest, kind, info, unaligned); |
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333 } else { |
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334 throw Util.shouldNotReachHere(); |
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335 } |
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336 |
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337 } else if (src.isStackSlot()) { |
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338 assert info == null : "no patching and info allowed here"; |
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339 if (dest.isRegister()) { |
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340 stack2reg(src, dest, kind); |
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341 } else if (dest.isStackSlot()) { |
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342 stack2stack(src, dest, kind); |
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343 } else { |
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344 throw Util.shouldNotReachHere(); |
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345 } |
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346 |
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347 } else if (src.isConstant()) { |
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348 if (dest.isRegister()) { |
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349 const2reg(src, dest, info); // patching is possible |
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350 } else if (dest.isStackSlot()) { |
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351 assert info == null : "no patching and info allowed here"; |
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352 const2stack(src, dest); |
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353 } else if (dest.isAddress()) { |
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354 const2mem(src, dest, kind, info); |
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355 } else { |
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356 throw Util.shouldNotReachHere(); |
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357 } |
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358 |
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359 } else if (src.isAddress()) { |
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360 if (dest.isStackSlot()) { |
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361 assert info == null && !unaligned; |
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362 mem2stack(src, dest, kind); |
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363 } else if (dest.isAddress()) { |
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364 assert info == null && !unaligned; |
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365 mem2mem(src, dest, kind); |
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366 } else { |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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367 mem2reg(src, dest, kind, info, unaligned); |
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parents:
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368 } |
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parents:
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369 |
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370 } else { |
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371 throw Util.shouldNotReachHere(src.toString() + ", dest=" + dest.toString() + ", " + kind); |
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372 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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373 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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374 |
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375 public void verifyOopMap(LIRDebugInfo info) { |
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376 if (C1XOptions.VerifyPointerMaps) { |
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377 // TODO: verify oops |
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378 Util.shouldNotReachHere(); |
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379 } |
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Thomas Wuerthinger <thomas@wuerthinger.net>
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380 } |
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381 |
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382 protected abstract int initialFrameSizeInBytes(); |
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383 |
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384 protected abstract void doPeephole(LIRList list); |
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385 |
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386 protected abstract void emitSlowPath(SlowPath sp); |
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387 |
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388 public abstract void emitDeoptizationStub(LIRGenerator.DeoptimizationStub stub); |
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389 |
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390 protected abstract void emitAlignment(); |
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391 |
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392 protected abstract void emitBreakpoint(); |
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393 |
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394 protected abstract void emitLea(CiValue src, CiValue dst); |
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395 |
2677
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396 protected abstract void emitNullCheck(CiValue src, LIRDebugInfo info); |
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397 |
2507
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398 protected abstract void emitNegate(LIRNegate negate); |
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399 |
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400 protected abstract void emitMonitorAddress(int monitor, CiValue dst); |
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401 |
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402 protected abstract void emitStackAllocate(StackBlock src, CiValue dst); |
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403 |
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404 protected abstract void emitReturn(CiValue inOpr); |
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405 |
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406 protected abstract void emitReadPrefetch(CiValue inOpr); |
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407 |
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408 protected abstract void emitVolatileMove(CiValue inOpr, CiValue result, CiKind kind, LIRDebugInfo info); |
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409 |
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410 protected abstract void emitThrow(CiValue inOpr1, CiValue inOpr2, LIRDebugInfo info); |
2507
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411 |
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412 protected abstract void emitLogicOp(LIROpcode code, CiValue inOpr1, CiValue inOpr2, CiValue dst); |
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413 |
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414 protected abstract void emitIntrinsicOp(LIROpcode code, CiValue inOpr1, CiValue inOpr2, CiValue dst, LIROp2 op); |
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415 |
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416 protected abstract void emitArithOp(LIROpcode code, CiValue inOpr1, CiValue inOpr2, CiValue dst, LIRDebugInfo info); |
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417 |
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418 protected abstract void emitShiftOp(LIROpcode code, CiValue inOpr1, CiValue inOpr2, CiValue dst, CiValue tmpOpr); |
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419 |
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420 protected abstract void emitShiftOp(LIROpcode code, CiValue inOpr1, int asJint, CiValue dst); |
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421 |
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422 protected abstract void emitSignificantBitOp(boolean most, CiValue inOpr1, CiValue dst); |
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423 |
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424 protected abstract void emitConditionalMove(Condition condition, CiValue inOpr1, CiValue inOpr2, CiValue dst); |
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425 |
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426 protected abstract void emitCompare2Int(LIROpcode code, CiValue inOpr1, CiValue inOpr2, CiValue dst, LIROp2 op); |
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427 |
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428 protected abstract void emitCompare(Condition condition, CiValue inOpr1, CiValue inOpr2, LIROp2 op); |
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429 |
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430 protected abstract void emitBranch(LIRBranch branch); |
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431 |
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432 protected abstract void emitTableSwitch(LIRTableSwitch tableSwitch); |
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433 |
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434 protected abstract void emitConvert(LIRConvert convert); |
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435 |
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436 protected abstract void emitOp3(LIROp3 op3); |
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437 |
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438 protected abstract void emitCompareAndSwap(LIRCompareAndSwap compareAndSwap); |
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439 |
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440 protected abstract void emitXir(LIRXirInstruction xirInstruction); |
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441 |
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442 protected abstract void emitIndirectCall(Object target, LIRDebugInfo info, CiValue callAddress); |
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443 |
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444 protected abstract void emitDirectCall(Object target, LIRDebugInfo info); |
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445 |
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446 protected abstract void emitNativeCall(String symbol, LIRDebugInfo info, CiValue callAddress); |
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447 |
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448 protected abstract void emitTemplateCall(CiValue address); |
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449 |
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450 protected abstract void emitCallAlignment(LIROpcode code); |
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451 |
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452 protected abstract void emitMemoryBarriers(int barriers); |
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453 |
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454 protected abstract void reg2stack(CiValue src, CiValue dest, CiKind kind); |
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455 |
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456 protected abstract void reg2mem(CiValue src, CiValue dest, CiKind kind, LIRDebugInfo info, boolean unaligned); |
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457 |
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458 protected abstract void mem2reg(CiValue src, CiValue dest, CiKind kind, LIRDebugInfo info, boolean unaligned); |
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459 |
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460 protected abstract void const2mem(CiValue src, CiValue dest, CiKind kind, LIRDebugInfo info); |
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461 |
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462 protected abstract void const2stack(CiValue src, CiValue dest); |
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463 |
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464 protected abstract void const2reg(CiValue src, CiValue dest, LIRDebugInfo info); |
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465 |
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466 protected abstract void mem2stack(CiValue src, CiValue dest, CiKind kind); |
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467 |
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468 protected abstract void mem2mem(CiValue src, CiValue dest, CiKind kind); |
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469 |
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470 protected abstract void stack2stack(CiValue src, CiValue dest, CiKind kind); |
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471 |
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472 protected abstract void stack2reg(CiValue src, CiValue dest, CiKind kind); |
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473 |
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474 protected abstract void reg2reg(CiValue src, CiValue dest); |
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475 |
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476 } |