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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotRegisterConfig.java @ 1449:8cfe3537a0d3

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Pointer verification stub. Two loose oop fixes in C1X C++ part. Logging which methods have been compiled.
author Thomas Wuerthinger <wuerthinger@ssw.jku.at>
date Thu, 11 Nov 2010 14:09:37 +0100
parents 4d1d3bd140f9
children 9196a2b32950
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1 /*
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2 * Copyright (c) 2010 Sun Microsystems, Inc. All rights reserved.
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3 *
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4 * Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product
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5 * that is described in this document. In particular, and without limitation, these intellectual property
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6 * rights may include one or more of the U.S. patents listed at http://www.sun.com/patents and one or
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7 * more additional patents or pending patent applications in the U.S. and in other countries.
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8 *
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9 * U.S. Government Rights - Commercial software. Government users are subject to the Sun
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10 * Microsystems, Inc. standard license agreement and applicable provisions of the FAR and its
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11 * supplements.
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12 *
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13 * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or
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14 * registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks
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15 * are used under license and are trademarks or registered trademarks of SPARC International, Inc. in the
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16 * U.S. and other countries.
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17 *
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18 * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open
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19 * Company, Ltd.
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20 */
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21 package com.sun.hotspot.c1x;
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22
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23 import static com.sun.c1x.target.amd64.AMD64.*;
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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.c1x.target.amd64.*;
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28 import com.sun.c1x.util.*;
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29 import com.sun.cri.ci.*;
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30 import com.sun.cri.ci.CiCallingConvention.Type;
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31 import com.sun.cri.ci.CiRegister.RegisterFlag;
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32 import com.sun.cri.ri.*;
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33
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34 /**
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35 * @author Thomas Wuerthinger
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36 *
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37 */
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38 public class HotSpotRegisterConfig implements RiRegisterConfig {
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39
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40 // be careful - the contents of this array are duplicated in c1x_CodeInstaller.cpp
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41 private final CiRegister[] allocatable = {
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42 rax, rbx, rcx, rdx, rsi, rdi, r8, r9, /* r10, */r11, r12, r13, r14,
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43 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7,
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44 xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15
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45 };
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46
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47 private final EnumMap<RegisterFlag, CiRegister[]> categorized = CiRegister.categorize(allocatable);
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48
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49 private final RiRegisterAttributes[] attributesMap;
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50
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51 @Override
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52 public CiRegister[] getAllocatableRegisters() {
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53 return allocatable;
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54 }
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55
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56 @Override
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57 public EnumMap<RegisterFlag, CiRegister[]> getCategorizedAllocatableRegisters() {
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58 return categorized;
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59 }
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60
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61 @Override
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62 public RiRegisterAttributes[] getAttributesMap() {
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63 return attributesMap;
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64 }
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65
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66 private final CiRegister[] generalParameterRegisters;
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67 private final CiRegister[] xmmParameterRegisters = {xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7};
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68 private final CiRegister[] allParameterRegisters;
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69
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70 public HotSpotRegisterConfig(HotSpotVMConfig config) {
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71 if (config.windowsOs) {
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72 generalParameterRegisters = new CiRegister[] {rdx, r8, r9, rdi, rsi, rcx};
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73 } else {
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74 generalParameterRegisters = new CiRegister[] {rsi, rdx, rcx, r8, r9, rdi};
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75 }
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76 attributesMap = RiRegisterAttributes.createMap(this, AMD64.allRegisters);
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77 allParameterRegisters = Arrays.copyOf(generalParameterRegisters, generalParameterRegisters.length + xmmParameterRegisters.length);
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78 System.arraycopy(xmmParameterRegisters, 0, allParameterRegisters, generalParameterRegisters.length, xmmParameterRegisters.length);
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79 }
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80
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81 @Override
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82 public CiRegister[] getCallerSaveRegisters() {
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83 return getAllocatableRegisters();
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84 }
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85
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86 private final CiRegister[] none = {};
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87
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88 @Override
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89 public CiRegister[] getCalleeSaveRegisters() {
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90 return none;
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91 }
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92
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93 @Override
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94 public CiRegister getRegister(int index) {
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95 throw new UnsupportedOperationException();
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96 }
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97
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98 @Override
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99 public CiCallingConvention getCallingConvention(Type type, CiKind[] parameters, boolean outgoing, CiTarget target) {
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100 if (type == Type.Native) {
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101 throw new UnsupportedOperationException();
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102 }
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103 return callingConvention(parameters, type == Type.Runtime ? true : outgoing, target);
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104 }
4d1d3bd140f9 Updated for changes in CRI.
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105
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106 public CiRegister[] getCallingConventionRegisters(Type type) {
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107 return allParameterRegisters;
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108 }
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109
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110 private CiCallingConvention callingConvention(CiKind[] types, boolean outgoing, CiTarget target) {
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111 CiValue[] locations = new CiValue[types.length];
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112
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113 int currentGeneral = 0;
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114 int currentXMM = 0;
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115 int currentStackIndex = 0;
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116
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117 for (int i = 0; i < types.length; i++) {
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118 final CiKind kind = types[i];
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119
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120 switch (kind) {
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121 case Byte:
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122 case Boolean:
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123 case Short:
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124 case Char:
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125 case Int:
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126 case Long:
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127 case Word:
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128 case Object:
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129 if (currentGeneral < generalParameterRegisters.length) {
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130 CiRegister register = generalParameterRegisters[currentGeneral++];
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131 locations[i] = register.asValue(kind);
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132 }
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133 break;
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134 case Float:
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135 case Double:
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136 if (currentXMM < xmmParameterRegisters.length) {
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137 CiRegister register = xmmParameterRegisters[currentXMM++];
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138 locations[i] = register.asValue(kind);
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139 }
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140 break;
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141 default:
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142 throw Util.shouldNotReachHere();
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143 }
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144
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145 if (locations[i] == null) {
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146 // we need to adjust for the frame pointer stored on the stack, which shifts incoming arguments by one slot
efba53f86c4f various fixes and enhancements
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147 locations[i] = CiStackSlot.get(kind.stackKind(), currentStackIndex + (outgoing ? 0 : 1), !outgoing);
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148 currentStackIndex += target.spillSlots(kind);
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149 }
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150 }
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151
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152 return new CiCallingConvention(locations, currentStackIndex * target.spillSlotSize);
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153 }
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154
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155 @Override
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156 public CiRegister getReturnRegister(CiKind kind) {
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157 switch (kind) {
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158 case Boolean:
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159 case Byte:
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160 case Char:
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161 case Short:
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162 case Int:
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163 case Long:
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164 case Object:
1425
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165 case Word:
1439
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166 return rax;
1423
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167 case Float:
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parents: 1422
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168 case Double:
1439
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169 return xmm0;
1423
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170 case Void:
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171 case Illegal:
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172 return null;
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173 default:
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174 throw new UnsupportedOperationException("no return register for type " + kind);
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parents: 1422
diff changeset
175 }
1420
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176 }
1416
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177
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diff changeset
178 @Override
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179 public CiRegister getScratchRegister() {
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180 return r10;
d0c8d3a2a7e8 Modified domake script to use (and require) JRE7 environment variable for find the base of a JRE 7 installation. This script no also ensures that $JRE7/lib/amd64/jvm.cfg has the right value for '-client'.
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parents: 1437
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181 }
d0c8d3a2a7e8 Modified domake script to use (and require) JRE7 environment variable for find the base of a JRE 7 installation. This script no also ensures that $JRE7/lib/amd64/jvm.cfg has the right value for '-client'.
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182
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parents: 1437
diff changeset
183 @Override
d0c8d3a2a7e8 Modified domake script to use (and require) JRE7 environment variable for find the base of a JRE 7 installation. This script no also ensures that $JRE7/lib/amd64/jvm.cfg has the right value for '-client'.
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parents: 1437
diff changeset
184 public CiRegister getFrameRegister() {
d0c8d3a2a7e8 Modified domake script to use (and require) JRE7 environment variable for find the base of a JRE 7 installation. This script no also ensures that $JRE7/lib/amd64/jvm.cfg has the right value for '-client'.
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parents: 1437
diff changeset
185 return rsp;
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diff changeset
186 }
1416
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parents:
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187
1420
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188 @Override
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Doug Simon <doug.simon@oracle.com>
parents: 1437
diff changeset
189 public String toString() {
d0c8d3a2a7e8 Modified domake script to use (and require) JRE7 environment variable for find the base of a JRE 7 installation. This script no also ensures that $JRE7/lib/amd64/jvm.cfg has the right value for '-client'.
Doug Simon <doug.simon@oracle.com>
parents: 1437
diff changeset
190 String res = String.format(
d0c8d3a2a7e8 Modified domake script to use (and require) JRE7 environment variable for find the base of a JRE 7 installation. This script no also ensures that $JRE7/lib/amd64/jvm.cfg has the right value for '-client'.
Doug Simon <doug.simon@oracle.com>
parents: 1437
diff changeset
191 "Allocatable: " + Arrays.toString(getAllocatableRegisters()) + "%n" +
d0c8d3a2a7e8 Modified domake script to use (and require) JRE7 environment variable for find the base of a JRE 7 installation. This script no also ensures that $JRE7/lib/amd64/jvm.cfg has the right value for '-client'.
Doug Simon <doug.simon@oracle.com>
parents: 1437
diff changeset
192 "CallerSave: " + Arrays.toString(getCallerSaveRegisters()) + "%n" +
d0c8d3a2a7e8 Modified domake script to use (and require) JRE7 environment variable for find the base of a JRE 7 installation. This script no also ensures that $JRE7/lib/amd64/jvm.cfg has the right value for '-client'.
Doug Simon <doug.simon@oracle.com>
parents: 1437
diff changeset
193 "CalleeSave: " + Arrays.toString(getCalleeSaveRegisters()) + "%n" +
d0c8d3a2a7e8 Modified domake script to use (and require) JRE7 environment variable for find the base of a JRE 7 installation. This script no also ensures that $JRE7/lib/amd64/jvm.cfg has the right value for '-client'.
Doug Simon <doug.simon@oracle.com>
parents: 1437
diff changeset
194 "Scratch: " + getScratchRegister() + "%n");
d0c8d3a2a7e8 Modified domake script to use (and require) JRE7 environment variable for find the base of a JRE 7 installation. This script no also ensures that $JRE7/lib/amd64/jvm.cfg has the right value for '-client'.
Doug Simon <doug.simon@oracle.com>
parents: 1437
diff changeset
195 return res;
1420
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diff changeset
196 }
1416
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parents:
diff changeset
197 }