Mercurial > hg > graal-jvmci-8

annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/ri/HotSpotRegisterConfig.java @ 5061:e808627bd16f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Renamed projects.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Thu, 08 Mar 2012 19:24:17 +0100
parents graal/com.oracle.max.graal.hotspot/src/com/oracle/graal/hotspot/ri/HotSpotRegisterConfig.java@4ed4295ce15f
children efbb1e33e2f3
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1 /*
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2 * Copyright (c) 2011, 2012, 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.graal.hotspot.ri;
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24
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25 import static com.oracle.max.asm.target.amd64.AMD64.*;
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26
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27 import java.util.*;
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28
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29 import com.oracle.max.asm.target.amd64.*;
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30 import com.oracle.max.cri.ci.*;
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31 import com.oracle.max.cri.ci.CiCallingConvention.Type;
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32 import com.oracle.max.cri.ci.CiRegister.RegisterFlag;
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33 import com.oracle.max.cri.ri.*;
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34 import com.oracle.graal.graph.*;
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35 import com.oracle.graal.hotspot.*;
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36
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37 public class HotSpotRegisterConfig implements RiRegisterConfig {
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38
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39 // be careful - the contents of this array are duplicated in graal_CodeInstaller.cpp
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40 private final CiRegister[] allocatable = {
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41 rax, rbx, rcx, rdx, rsi, rdi, r8, r9, /* r10, */r11, r12, r13, r14, /*r15*/
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42 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7,
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43 xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15
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44 };
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45
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46 private final EnumMap<RegisterFlag, CiRegister[]> categorized = CiRegister.categorize(allocatable);
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47
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48 private final RiRegisterAttributes[] attributesMap;
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49
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50 @Override
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51 public CiRegister[] getAllocatableRegisters() {
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52 return allocatable;
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53 }
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54
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55 @Override
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56 public EnumMap<RegisterFlag, CiRegister[]> getCategorizedAllocatableRegisters() {
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57 return categorized;
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58 }
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59
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60 @Override
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61 public RiRegisterAttributes[] getAttributesMap() {
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62 return attributesMap;
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63 }
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64
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65 private final CiRegister[] generalParameterRegisters;
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66 private final CiRegister[] xmmParameterRegisters = {xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7};
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67 private final CiRegister[] allParameterRegisters;
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68
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69 private final CiRegister[] rsaRegs = {
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70 rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi,
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71 r8, r9, r10, r11, r12, r13, r14, r15,
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72 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7,
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73 xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15
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74 };
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75
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76 private final CiCalleeSaveLayout registerSaveArea;
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77
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78 public HotSpotRegisterConfig(HotSpotVMConfig config, boolean globalStubConfig) {
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79 if (config.windowsOs) {
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80 generalParameterRegisters = new CiRegister[] {rdx, r8, r9, rdi, rsi, rcx};
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81 } else {
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82 generalParameterRegisters = new CiRegister[] {rsi, rdx, rcx, r8, r9, rdi};
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83 }
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84
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85 if (globalStubConfig) {
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86 registerSaveArea = new CiCalleeSaveLayout(0, -1, 8, rsaRegs);
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87 } else {
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88 registerSaveArea = new CiCalleeSaveLayout(0, 8, 8, new CiRegister[0]);
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89 }
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90
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91 attributesMap = RiRegisterAttributes.createMap(this, AMD64.allRegisters);
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92 allParameterRegisters = Arrays.copyOf(generalParameterRegisters, generalParameterRegisters.length + xmmParameterRegisters.length);
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93 System.arraycopy(xmmParameterRegisters, 0, allParameterRegisters, generalParameterRegisters.length, xmmParameterRegisters.length);
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94 }
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95
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96 @Override
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97 public CiRegister[] getCallerSaveRegisters() {
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98 return getAllocatableRegisters();
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99 }
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100
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101 @Override
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102 public CiRegister getRegisterForRole(int index) {
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103 throw new UnsupportedOperationException();
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104 }
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105
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106 @Override
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107 public CiCallingConvention getCallingConvention(Type type, CiKind[] parameters, CiTarget target, boolean stackOnly) {
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108 if (type == Type.NativeCall) {
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109 throw new UnsupportedOperationException();
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110 }
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111 return callingConvention(parameters, type, target, stackOnly);
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112 }
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113
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114 public CiRegister[] getCallingConventionRegisters(Type type, RegisterFlag flag) {
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115 return allParameterRegisters;
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116 }
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117
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118 private CiCallingConvention callingConvention(CiKind[] types, Type type, CiTarget target, boolean stackOnly) {
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119 CiValue[] locations = new CiValue[types.length];
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120
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121 int currentGeneral = 0;
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122 int currentXMM = 0;
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123 int currentStackOffset = 0;
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124
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125 for (int i = 0; i < types.length; i++) {
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126 final CiKind kind = types[i];
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127
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128 switch (kind) {
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129 case Byte:
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130 case Boolean:
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131 case Short:
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132 case Char:
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133 case Int:
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134 case Long:
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135 case Object:
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136 if (!stackOnly && currentGeneral < generalParameterRegisters.length) {
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137 CiRegister register = generalParameterRegisters[currentGeneral++];
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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 case Float:
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142 case Double:
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143 if (!stackOnly && currentXMM < xmmParameterRegisters.length) {
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144 CiRegister register = xmmParameterRegisters[currentXMM++];
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145 locations[i] = register.asValue(kind);
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146 }
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147 break;
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148 default:
4524
dcc8f5c6f394 Refactorings to prepare for LIR project splitting
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4220
diff changeset
149 throw GraalInternalError.shouldNotReachHere();
3733
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150 }
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151
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152 if (locations[i] == null) {
4181
319860ae697a Simplify FrameMap: make offsets of spill slots and outgoing parameters independent so that they can be allocated at the same time, eliminating the separate phases. This makes the separate StackBlock unnecesary. Change CiStackSlot to use byte offsets instead of spill slot index. This makes CiTarget.spillSlotSize unnecessary.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4174
diff changeset
153 locations[i] = CiStackSlot.get(kind.stackKind(), currentStackOffset, !type.out);
319860ae697a Simplify FrameMap: make offsets of spill slots and outgoing parameters independent so that they can be allocated at the same time, eliminating the separate phases. This makes the separate StackBlock unnecesary. Change CiStackSlot to use byte offsets instead of spill slot index. This makes CiTarget.spillSlotSize unnecessary.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4174
diff changeset
154 currentStackOffset += Math.max(target.sizeInBytes(kind), target.wordSize);
3733
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155 }
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parents:
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156 }
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parents:
diff changeset
157
4181
319860ae697a Simplify FrameMap: make offsets of spill slots and outgoing parameters independent so that they can be allocated at the same time, eliminating the separate phases. This makes the separate StackBlock unnecesary. Change CiStackSlot to use byte offsets instead of spill slot index. This makes CiTarget.spillSlotSize unnecessary.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4174
diff changeset
158 return new CiCallingConvention(locations, currentStackOffset);
3733
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parents:
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159 }
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parents:
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160
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
161 @Override
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parents:
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162 public CiRegister getReturnRegister(CiKind kind) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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163 switch (kind) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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164 case Boolean:
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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165 case Byte:
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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166 case Char:
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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167 case Short:
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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168 case Int:
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
169 case Long:
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
170 case Object:
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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171 return rax;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
172 case Float:
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
173 case Double:
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
174 return xmm0;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
175 case Void:
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
176 case Illegal:
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
177 return null;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
178 default:
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
179 throw new UnsupportedOperationException("no return register for type " + kind);
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parents:
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180 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
181 }
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parents:
diff changeset
182
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
183 @Override
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
184 public CiRegister getScratchRegister() {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
185 return r10;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
186 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
187
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
188 @Override
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
189 public CiRegister getFrameRegister() {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
190 return rsp;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
191 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
192
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
193 public CiCalleeSaveLayout getCalleeSaveLayout() {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
194 return registerSaveArea;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
195 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
196
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
197 @Override
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
198 public String toString() {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
199 String res = String.format(
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
200 "Allocatable: " + Arrays.toString(getAllocatableRegisters()) + "%n" +
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
201 "CallerSave: " + Arrays.toString(getCallerSaveRegisters()) + "%n" +
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
202 "CalleeSave: " + getCalleeSaveLayout() + "%n" +
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
203 "Scratch: " + getScratchRegister() + "%n");
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
204 return res;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
205 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
206 }