Mercurial > hg > graal-compiler

annotate graal/GraalCompiler/src/com/sun/c1x/lir/LIRCall.java @ 2838:adc4b3ec0a8c

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Deleted LIR critical edge splitter and replaced with GraalIR edge splitter using Anchor nodes (=> simpler).
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Tue, 31 May 2011 15:17:55 +0200
parents a2f62de90c76
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 }