Mercurial > hg > graal-compiler
annotate graal/GraalCompiler/src/com/sun/c1x/lir/LIRCall.java @ 2822:530366123e46
Invoke is a block end
author | Gilles Duboscq <gilles.duboscq@oracle.com> |
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date | Fri, 27 May 2011 15:41:10 +0200 |
parents | a2f62de90c76 |
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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.cri.ci.*; |
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28 import com.sun.cri.ci.CiTargetMethod.*; |
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29 import com.sun.cri.ri.*; |
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30 import com.sun.cri.xir.CiXirAssembler.*; |
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31 |
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32 /** |
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33 * This class represents a call instruction; either to a {@linkplain CiRuntimeCall runtime method}, |
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34 * a {@linkplain RiMethod Java method}, a native function or a global stub. |
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35 * |
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36 * @author Marcelo Cintra |
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37 */ |
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38 public class LIRCall extends LIRInstruction { |
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39 |
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40 /** |
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41 * The target of the call. This will be a {@link CiRuntimeCall}, {@link RiMethod} or {@link CiValue} |
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42 * object denoting a call to the runtime, a Java method or a native function respectively. |
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43 */ |
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44 public final Object target; |
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45 /** |
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46 * The call site needs to be marked if this is non-null. |
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47 */ |
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48 public final Map<XirMark, Mark> marks; |
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49 |
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50 private final int targetAddressIndex; |
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51 |
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52 public final List<CiValue> pointerSlots; |
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53 |
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54 |
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55 private static CiValue[] toArray(List<CiValue> arguments) { |
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56 return arguments.toArray(new CiValue[arguments.size()]); |
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57 } |
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58 |
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59 public LIRCall(LIROpcode opcode, |
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60 Object target, |
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61 CiValue result, |
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62 List<CiValue> arguments, |
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63 LIRDebugInfo info, |
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64 Map<XirMark, Mark> marks, |
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65 boolean calleeSaved, |
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66 List<CiValue> pointerSlots) { |
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67 super(opcode, result, info, !calleeSaved, 0, 0, toArray(arguments)); |
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68 this.marks = marks; |
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69 this.pointerSlots = pointerSlots; |
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70 if (opcode == LIROpcode.DirectCall) { |
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71 this.targetAddressIndex = -1; |
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72 } else { |
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73 // The last argument is the operand holding the address for the indirect call |
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74 this.targetAddressIndex = arguments.size() - 1; |
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75 } |
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76 this.target = target; |
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77 } |
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78 |
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79 /** |
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80 * Emits target assembly code for this instruction. |
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81 * |
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82 * @param masm the target assembler |
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83 */ |
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84 @Override |
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85 public void emitCode(LIRAssembler masm) { |
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86 masm.emitCall(this); |
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87 } |
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88 |
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89 /** |
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90 * Returns the receiver for this method call. |
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91 * @return the receiver |
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92 */ |
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93 public CiValue receiver() { |
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94 return operand(0); |
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95 } |
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96 |
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97 public RiMethod method() { |
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98 return (RiMethod) target; |
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99 } |
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100 |
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101 public CiRuntimeCall runtimeCall() { |
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102 return (CiRuntimeCall) target; |
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103 } |
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104 |
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105 public CiValue targetAddress() { |
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106 if (targetAddressIndex >= 0) { |
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107 return operand(targetAddressIndex); |
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108 } |
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109 return null; |
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110 } |
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111 |
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112 @Override |
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113 public String operationString(OperandFormatter operandFmt) { |
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114 StringBuilder buf = new StringBuilder(); |
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115 if (result().isLegal()) { |
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116 buf.append(operandFmt.format(result())).append(" = "); |
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117 } |
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118 String targetAddress = null; |
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119 if (code == LIROpcode.RuntimeCall) { |
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120 buf.append(target); |
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121 } else if (code != LIROpcode.DirectCall && code != LIROpcode.ConstDirectCall) { |
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122 if (targetAddressIndex >= 0) { |
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123 targetAddress = operandFmt.format(targetAddress()); |
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124 buf.append(targetAddress); |
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125 } |
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126 } |
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127 buf.append('('); |
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128 boolean first = true; |
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129 for (LIROperand operandSlot : operands) { |
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130 String operand = operandFmt.format(operandSlot.value(this)); |
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131 if (!operand.isEmpty() && !operand.equals(targetAddress)) { |
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132 if (!first) { |
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133 buf.append(", "); |
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134 } else { |
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135 first = false; |
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136 } |
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137 buf.append(operand); |
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138 } |
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139 } |
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140 buf.append(')'); |
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141 return buf.toString(); |
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142 } |
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143 } |