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annotate graal/com.oracle.max.cri/src/com/oracle/max/cri/xir/XirTemplate.java @ 5003:5e6f1026a63e

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fixes to vtable stub inlining: compute offset on demand, look out for interface methods
author Lukas Stadler <lukas.stadler@jku.at>
date Thu, 01 Mar 2012 15:36:35 +0100
parents 744dade427b8
children a1db0ea58b53
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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.oracle.max.cri.xir;
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25 import java.io.*;
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26 import java.util.*;
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27
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28 import com.oracle.max.cri.xir.CiXirAssembler.*;
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29
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30 /**
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31 * Represents a completed template of XIR code that has been first assembled by
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32 * the runtime, and then verified and preprocessed by the compiler. An {@code XirTemplate}
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33 * instance is immutable.
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34 */
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35 public class XirTemplate {
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36
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37 /**
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38 * Flags that indicate key features of the template for quick checking.
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39 */
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40 public enum GlobalFlags {
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41 /**
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42 * Contains a call to a {@link GlobalFlags#GLOBAL_STUB} template.
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43 */
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44 HAS_STUB_CALL,
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45
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46 /**
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47 * Contains a call to the runtime.
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48 */
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49 HAS_RUNTIME_CALL,
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50
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51 /**
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52 * Not simply a linear sequence of instructions, contains control transfers.
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53 */
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54 HAS_CONTROL_FLOW,
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55
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56 /**
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57 * Is a shared instruction sequence for use by other templates.
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58 */
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59 GLOBAL_STUB;
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60
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61 public final int mask = 1 << ordinal();
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62 }
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63
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64 /**
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65 * Name of the template.
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66 */
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67 public final String name;
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68
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69 public final XirOperand resultOperand;
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70
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71 /**
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72 * The sequence of instructions for the fast (inline) path.
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73 */
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74 public final CiXirAssembler.XirInstruction[] fastPath;
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75
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76 /**
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77 * The sequence of instructions for the slow (out of line) path.
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78 */
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79 public final CiXirAssembler.XirInstruction[] slowPath;
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80
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81 /**
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82 * Labels used in control transfers.
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83 */
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84 public final XirLabel[] labels;
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85
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86 /**
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87 * Parameters to the template.
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88 */
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89 public final XirParameter[] parameters;
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90
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91 /**
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92 * An array of same length as {@link #parameters} where {@code parameterDestroyed[i]} is {@code true}
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93 * iff {@code parameters[i]} is the {@link XirInstruction#result result} of any {@link XirInstruction} in either
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94 * {@link #fastPath} or {@link #slowPath}.
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95 */
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96 public final boolean[] parameterDestroyed;
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97
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98 /**
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99 * Temporary variables used by the template.
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100 */
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101 public final XirTemp[] temps;
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102
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103 /**
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104 * Constants used in the template.
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105 */
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106 public final XirConstant[] constants;
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107
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108 /**
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109 * The total number of variables. (relation to temps/parameters???)
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110 */
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111 public final int variableCount;
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112
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113 public final boolean allocateResultOperand;
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114
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115 public final XirMark[] marks;
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116
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117 public final int outgoingStackSize;
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118
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119 public final XirOperand[] inputOperands;
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120 public final XirOperand[] inputTempOperands;
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121 public final XirOperand[] tempOperands;
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122
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123
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124 /**
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125 * The {@link GlobalFlags} associated with the template.
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126 */
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127 public final int flags;
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128
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129 public XirTemplate(String name,
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130 int variableCount,
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131 boolean allocateResultOperand,
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132 XirOperand resultOperand,
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133 CiXirAssembler.XirInstruction[] fastPath,
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134 CiXirAssembler.XirInstruction[] slowPath,
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135 XirLabel[] labels,
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136 XirParameter[] parameters,
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137 XirTemp[] temps,
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138 XirConstant[] constantValues,
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139 int flags,
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140 XirMark[] marks,
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141 int outgoingStackSize) {
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142 this.name = name;
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143 this.variableCount = variableCount;
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144 this.resultOperand = resultOperand;
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diff changeset
145 this.fastPath = fastPath;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
146 this.slowPath = slowPath;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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147 this.labels = labels;
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diff changeset
148 this.parameters = parameters;
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diff changeset
149 this.flags = flags;
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diff changeset
150 this.temps = temps;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
151 this.allocateResultOperand = allocateResultOperand;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
152 this.constants = constantValues;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
153 this.marks = marks;
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diff changeset
154 this.outgoingStackSize = outgoingStackSize;
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parents:
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155
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
156 assert fastPath != null;
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parents:
diff changeset
157 assert labels != null;
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parents:
diff changeset
158 assert parameters != null;
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diff changeset
159
4142
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diff changeset
160 List<XirOperand> inputOperandList = new ArrayList<>(4);
bc8527f3071c Adjust code base to new level of warnings.
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parents: 3733
diff changeset
161 List<XirOperand> inputTempOperandList = new ArrayList<>(4);
bc8527f3071c Adjust code base to new level of warnings.
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parents: 3733
diff changeset
162 List<XirOperand> tempOperandList = new ArrayList<>(4);
3733
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163
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diff changeset
164 parameterDestroyed = new boolean[parameters.length];
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diff changeset
165 for (int i = 0; i < parameters.length; i++) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
166 for (XirInstruction ins : fastPath) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
167 if (ins.result == parameters[i]) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
168 parameterDestroyed[i] = true;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
169 break;
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parents:
diff changeset
170 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
171 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
172
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parents:
diff changeset
173 if (slowPath != null && !parameterDestroyed[i]) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
174 for (XirInstruction ins : slowPath) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
175 if (ins.result == parameters[i]) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
176 parameterDestroyed[i] = true;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
177 }
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178 }
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parents:
diff changeset
179 }
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diff changeset
180
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diff changeset
181 if (parameterDestroyed[i]) {
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diff changeset
182 inputTempOperandList.add(parameters[i]);
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
183 } else {
4142
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diff changeset
184 inputOperandList.add(parameters[i]);
3733
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185 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
186 }
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diff changeset
187
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
188 for (XirTemp temp : temps) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
189 if (temp.reserve) {
4142
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diff changeset
190 tempOperandList.add(temp);
3733
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diff changeset
191 }
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parents:
diff changeset
192 }
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diff changeset
193
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diff changeset
194 this.inputOperands = inputOperandList.toArray(new XirOperand[inputOperandList.size()]);
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parents: 3733
diff changeset
195 this.inputTempOperands = inputTempOperandList.toArray(new XirOperand[inputTempOperandList.size()]);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 3733
diff changeset
196 this.tempOperands = tempOperandList.toArray(new XirOperand[tempOperandList.size()]);
3733
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diff changeset
197 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
198
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
199 /**
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
200 * Convenience getter that returns the value at a given index in the {@link #parameterDestroyed} array.
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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201 * @param index
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diff changeset
202 * @return the value at {@code parameterDestroyed[index]}
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
203 */
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204 public boolean isParameterDestroyed(int index) {
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diff changeset
205 return parameterDestroyed[index];
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
206 }
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parents:
diff changeset
207
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parents:
diff changeset
208 @Override
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diff changeset
209 public String toString() {
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diff changeset
210 return name;
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parents:
diff changeset
211 }
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parents:
diff changeset
212
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parents:
diff changeset
213 public void print(PrintStream p) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
214 final String indent = " ";
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parents:
diff changeset
215
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parents:
diff changeset
216 p.println();
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parents:
diff changeset
217 p.println("Template " + name);
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
218
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
219 p.print("Param:");
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
220 for (XirParameter param : parameters) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
221 p.print(" " + param.detailedToString());
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
222 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
223 p.println();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
224
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
225 if (temps.length > 0) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
226 p.print("Temps:");
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
227 for (XirTemp temp : temps) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
228 p.print(" " + temp.detailedToString());
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
229 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
230 p.println();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
231 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
232
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
233 if (constants.length > 0) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
234 p.print("Constants:");
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
235 for (XirConstant c : constants) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
236 p.print(" " + c.detailedToString());
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
237 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
238 p.println();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
239 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
240
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
241 if (flags != 0) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
242 p.print("Flags:");
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
243 for (XirTemplate.GlobalFlags flag : XirTemplate.GlobalFlags.values()) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
244 if ((this.flags & flag.mask) != 0) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
245 p.print(" " + flag.name());
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
246 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
247 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
248 p.println();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
249 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
250
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
251 p.println("Fast path:");
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
252 for (XirInstruction i : fastPath) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
253 p.println(indent + i.toString());
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
254 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
255
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
256 if (slowPath != null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
257 p.println("Slow path:");
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
258 for (XirInstruction i : slowPath) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
259 p.println(indent + i.toString());
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
260 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
261 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
262 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
263 }