Mercurial > hg > truffle
annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotRegisterConfig.java @ 1421:6223633ce7dd
changed VMExit/VMEntries to non-static, added eclipse c++ project, CIR interface changes
author | Lukas Stadler <lukas.stadler@oracle.com> |
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date | Fri, 23 Jul 2010 15:53:02 -0700 |
parents | 44efca8a02d6 |
children | 3483ec571caf |
rev | line source |
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1 /* |
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2 * Copyright (c) 2009 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 that is |
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5 * described in this document. In particular, and without limitation, these intellectual property rights may include one |
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6 * or more of the U.S. patents listed at http://www.sun.com/patents and one or more additional patents or pending patent |
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7 * 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 Microsystems, Inc. standard |
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10 * license agreement and applicable provisions of the FAR and its supplements. |
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11 * |
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12 * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or registered |
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13 * trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks are used under license and |
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14 * are trademarks or registered trademarks of SPARC International, Inc. in the U.S. and other countries. |
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15 * |
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16 * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open Company, Ltd. |
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17 */ |
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18 package com.sun.hotspot.c1x; |
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19 |
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20 import com.sun.c1x.target.amd64.AMD64; |
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21 import com.sun.c1x.util.Util; |
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22 import com.sun.cri.ci.CiCallingConvention; |
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23 import com.sun.cri.ci.CiKind; |
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24 import com.sun.cri.ci.CiRegister; |
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25 import com.sun.cri.ci.CiStackSlot; |
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26 import com.sun.cri.ci.CiTarget; |
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27 import com.sun.cri.ci.CiValue; |
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28 import com.sun.cri.ri.RiRegisterConfig; |
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29 |
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30 /** |
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31 * @author Thomas Wuerthinger |
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32 * |
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33 */ |
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34 public class HotSpotRegisterConfig implements RiRegisterConfig { |
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35 |
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36 @Override |
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37 public CiRegister[] getAllocatableRegisters() { |
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38 return new CiRegister[] { AMD64.rax, AMD64.rbx, AMD64.rcx, AMD64.rdx, AMD64.rsi, AMD64.rdi, AMD64.r10, AMD64.r11, AMD64.xmm0, AMD64.xmm1, AMD64.xmm2, AMD64.xmm3, AMD64.xmm4, AMD64.xmm5, |
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39 AMD64.xmm6, AMD64.xmm7, AMD64.xmm8, AMD64.xmm9, AMD64.xmm10, AMD64.xmm11, AMD64.xmm12, AMD64.xmm13, AMD64.xmm14, AMD64.xmm15}; |
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40 } |
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41 |
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42 private final CiRegister[] generalParameterRegisters; |
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43 private final CiRegister[] xmmParameterRegisters = new CiRegister[] { AMD64.xmm0, AMD64.xmm1, AMD64.xmm2, AMD64.xmm3, AMD64.xmm4, AMD64.xmm5, AMD64.xmm6, AMD64.xmm7}; |
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44 |
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45 public HotSpotRegisterConfig(HotSpotVMConfig config) { |
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46 if (config.windowsOs) { |
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47 generalParameterRegisters = new CiRegister[] { AMD64.rdx, AMD64.r8, AMD64.r9, AMD64.rdi, AMD64.rsi, AMD64.rcx}; |
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48 } else { |
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49 generalParameterRegisters = new CiRegister[] { AMD64.rsi, AMD64.rdx, AMD64.rcx, AMD64.r8, AMD64.r9, AMD64.rdi}; |
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50 } |
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51 } |
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52 |
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53 @Override |
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54 public int getCalleeSaveRegisterOffset(CiRegister register) { |
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55 return 0; |
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56 } |
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57 |
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58 @Override |
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59 public CiRegister[] getCallerSaveRegisters() { |
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60 return getAllocatableRegisters(); |
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61 } |
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62 |
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63 @Override |
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64 public CiRegister getFramePointerRegister() { |
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65 return AMD64.rbp; |
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66 } |
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67 |
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68 @Override |
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69 public CiRegister getIntegerRegister(int index) { |
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70 throw new UnsupportedOperationException(); |
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71 } |
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72 |
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73 @Override |
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74 public CiCallingConvention getJavaCallingConvention(CiKind[] parameters, boolean outgoing, CiTarget target) { |
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75 return callingConvention(parameters, outgoing, target); |
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76 } |
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77 |
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78 private CiCallingConvention callingConvention(CiKind[] types, boolean outgoing, CiTarget target) { |
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79 CiValue[] locations = new CiValue[types.length]; |
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80 |
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81 int currentGeneral = 0; |
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82 int currentXMM = 0; |
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83 int currentStackIndex = 0; |
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84 |
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85 for (int i = 0; i < types.length; i++) { |
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86 final CiKind kind = types[i]; |
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87 |
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88 switch (kind) { |
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89 case Byte: |
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90 case Boolean: |
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91 case Short: |
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92 case Char: |
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93 case Int: |
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94 case Long: |
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95 case Word: |
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96 case Object: |
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97 if (currentGeneral < generalParameterRegisters.length) { |
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98 CiRegister register = generalParameterRegisters[currentGeneral++]; |
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99 locations[i] = register.asValue(kind); |
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100 } |
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101 break; |
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102 |
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103 case Float: |
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104 case Double: |
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105 if (currentXMM < xmmParameterRegisters.length) { |
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106 CiRegister register = xmmParameterRegisters[currentXMM++]; |
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107 locations[i] = register.asValue(kind); |
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108 } |
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109 break; |
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110 |
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111 default: |
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112 throw Util.shouldNotReachHere(); |
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113 } |
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114 |
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115 if (locations[i] == null) { |
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116 locations[i] = CiStackSlot.get(kind.stackKind(), currentStackIndex, !outgoing); |
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117 currentStackIndex += target.spillSlots(kind); |
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118 } |
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119 } |
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120 |
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121 return new CiCallingConvention(locations, currentStackIndex * target.spillSlotSize); |
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122 } |
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123 |
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124 @Override |
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125 public int getMinimumCalleeSaveFrameSize() { |
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126 return 0; |
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127 } |
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128 |
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129 @Override |
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130 public CiCallingConvention getNativeCallingConvention(CiKind[] parameters, boolean outgoing, CiTarget target) { |
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131 throw new UnsupportedOperationException(); |
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132 } |
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133 |
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134 @Override |
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135 public CiRegister[] getRegisterReferenceMapOrder() { |
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136 return getAllocatableRegisters(); |
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137 } |
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138 |
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139 @Override |
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140 public CiRegister getReturnRegister(CiKind kind) { |
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141 return AMD64.rax; |
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142 } |
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143 |
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144 @Override |
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145 public CiCallingConvention getRuntimeCallingConvention(CiKind[] parameters, CiTarget target) { |
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146 return callingConvention(parameters, true, target); |
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147 } |
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148 |
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149 @Override |
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150 public CiRegister getScratchRegister() { |
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151 return AMD64.r15; |
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152 } |
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153 |
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154 @Override |
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155 public CiRegister getStackPointerRegister() { |
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156 return AMD64.rsp; |
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157 } |
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158 |
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159 } |