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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotRegisterConfig.java @ 1439:d0c8d3a2a7e8

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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'. Added c1x4hotspotsrc/hotspot/java as indirect launcher for $JRE7/bin/java that can be referenced from Eclipse launch configuration. Copied .checkstyle_checks.xml from C1X project to c1x4hotspotsrc/HotSpotVM so that it can be used by HotSpotVM project without hard coded path to C1X in another Eclipse workspace. Various other changes to reflect changes in CRI and C1X.
author Doug Simon <doug.simon@oracle.com>
date Fri, 29 Oct 2010 18:14:17 +0200
parents 9e5e83ca2259
children 4d1d3bd140f9
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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.AMD64;
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28 import com.sun.c1x.util.Util;
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29 import com.sun.cri.ci.CiCallingConvention;
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30 import com.sun.cri.ci.CiKind;
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31 import com.sun.cri.ci.CiRegister;
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32 import com.sun.cri.ci.CiStackSlot;
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33 import com.sun.cri.ci.CiTarget;
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34 import com.sun.cri.ci.CiValue;
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35 import com.sun.cri.ci.CiRegister.*;
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36 import com.sun.cri.ri.*;
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37
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38 /**
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39 * @author Thomas Wuerthinger
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40 *
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41 */
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42 public class HotSpotRegisterConfig implements RiRegisterConfig {
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43
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44 // be careful - the contents of this array are duplicated in c1x_CodeInstaller.cpp
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45 private final CiRegister[] allocatable = {
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46 rax, rbx, rcx, rdx, rsi, rdi, r8, r9, /* r10, */r11, r12, r13, r14,
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47 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7,
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48 xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15
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49 };
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50
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51 private final EnumMap<RegisterFlag, CiRegister[]> categorized = CiRegister.categorize(allocatable);
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52
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53 private final RiRegisterAttributes[] attributesMap;
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54
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55 @Override
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56 public CiRegister[] getAllocatableRegisters() {
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57 return allocatable;
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58 }
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59
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60 @Override
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61 public EnumMap<RegisterFlag, CiRegister[]> getCategorizedAllocatableRegisters() {
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62 return categorized;
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63 }
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64
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65 @Override
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66 public RiRegisterAttributes[] getAttributesMap() {
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67 return attributesMap;
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68 }
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69
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70 private final CiRegister[] generalParameterRegisters;
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71 private final CiRegister[] xmmParameterRegisters = {xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7};
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72
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73 public HotSpotRegisterConfig(HotSpotVMConfig config) {
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74 if (config.windowsOs) {
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75 generalParameterRegisters = new CiRegister[] {rdx, r8, r9, rdi, rsi, rcx};
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76 } else {
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77 generalParameterRegisters = new CiRegister[] {rsi, rdx, rcx, r8, r9, rdi};
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78 }
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79 attributesMap = RiRegisterAttributes.createMap(this, AMD64.allRegisters);
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80 }
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81
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82 @Override
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83 public CiRegister[] getCallerSaveRegisters() {
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84 return getAllocatableRegisters();
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85 }
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86
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87 private final CiRegister[] none = {};
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88
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89 @Override
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90 public CiRegister[] getCalleeSaveRegisters() {
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91 return none;
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92 }
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93
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94 @Override
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95 public CiRegister getRegister(int index) {
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96 throw new UnsupportedOperationException();
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97 }
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98
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99 @Override
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100 public CiCallingConvention getJavaCallingConvention(CiKind[] parameters, boolean outgoing, CiTarget target) {
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101 return callingConvention(parameters, outgoing, target);
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102 }
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103
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104 private CiCallingConvention callingConvention(CiKind[] types, boolean outgoing, CiTarget target) {
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105 CiValue[] locations = new CiValue[types.length];
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106
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107 int currentGeneral = 0;
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108 int currentXMM = 0;
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109 int currentStackIndex = 0;
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110
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111 for (int i = 0; i < types.length; i++) {
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112 final CiKind kind = types[i];
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113
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114 switch (kind) {
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115 case Byte:
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116 case Boolean:
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117 case Short:
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118 case Char:
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119 case Int:
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120 case Long:
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121 case Word:
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122 case Object:
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123 if (currentGeneral < generalParameterRegisters.length) {
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124 CiRegister register = generalParameterRegisters[currentGeneral++];
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125 locations[i] = register.asValue(kind);
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126 }
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127 break;
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128 case Float:
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129 case Double:
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130 if (currentXMM < xmmParameterRegisters.length) {
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131 CiRegister register = xmmParameterRegisters[currentXMM++];
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132 locations[i] = register.asValue(kind);
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133 }
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134 break;
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135 default:
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136 throw Util.shouldNotReachHere();
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137 }
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138
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139 if (locations[i] == null) {
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140 // we need to adjust for the frame pointer stored on the stack, which shifts incoming arguments by one slot
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141 locations[i] = CiStackSlot.get(kind.stackKind(), currentStackIndex + (outgoing ? 0 : 1), !outgoing);
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142 currentStackIndex += target.spillSlots(kind);
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143 }
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144 }
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145
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146 return new CiCallingConvention(locations, currentStackIndex * target.spillSlotSize);
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147 }
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148
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149 @Override
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150 public CiCallingConvention getNativeCallingConvention(CiKind[] parameters, boolean outgoing, CiTarget target) {
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151 throw new UnsupportedOperationException();
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152 }
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153
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154 @Override
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155 public CiRegister getReturnRegister(CiKind kind) {
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156 switch (kind) {
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157 case Boolean:
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158 case Byte:
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159 case Char:
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160 case Short:
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161 case Int:
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162 case Long:
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163 case Object:
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164 case Word:
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165 return rax;
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166 case Float:
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167 case Double:
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168 return xmm0;
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169 case Void:
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170 case Illegal:
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171 return null;
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172 default:
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173 throw new UnsupportedOperationException("no return register for type " + kind);
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174 }
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175 }
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176
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177 @Override
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178 public CiCallingConvention getRuntimeCallingConvention(CiKind[] parameters, CiTarget target) {
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179 return callingConvention(parameters, true, target);
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180 }
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181
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182 @Override
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183 public CiRegister getScratchRegister() {
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184 return r10;
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185 }
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186
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187 @Override
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188 public CiRegister getFrameRegister() {
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189 return rsp;
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190 }
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191
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192 @Override
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193 public String toString() {
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194 String res = String.format(
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195 "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'.
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196 "CallerSave: " + Arrays.toString(getCallerSaveRegisters()) + "%n" +
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197 "CalleeSave: " + Arrays.toString(getCalleeSaveRegisters()) + "%n" +
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198 "Scratch: " + getScratchRegister() + "%n");
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199 return res;
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200 }
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201 }