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annotate graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotRegisterConfig.java @ 9896:5945a36ccba4

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Merge
author Christos Kotselidis <christos.kotselidis@oracle.com>
date Wed, 05 Jun 2013 15:11:58 +0200
parents 3d965e61b5f6 063a712fe8d8
children 5dd9670009df
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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.amd64;
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24
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25 import static com.oracle.graal.amd64.AMD64.*;
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26 import static com.oracle.graal.phases.GraalOptions.*;
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27
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28 import java.util.*;
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29
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30 import com.oracle.graal.amd64.*;
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31 import com.oracle.graal.api.code.*;
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32 import com.oracle.graal.api.code.CallingConvention.Type;
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33 import com.oracle.graal.api.meta.*;
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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 AMD64HotSpotRegisterConfig implements RegisterConfig {
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38
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39 private final Architecture architecture;
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40
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41 private final Register[] allocatable;
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42
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43 private final HashMap<PlatformKind, Register[]> categorized = new HashMap<>();
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44
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45 private final RegisterAttributes[] attributesMap;
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46
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47 @Override
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48 public Register[] getAllocatableRegisters() {
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49 return allocatable.clone();
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50 }
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51
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52 public Register[] getAllocatableRegisters(PlatformKind kind) {
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53 if (categorized.containsKey(kind)) {
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54 return categorized.get(kind);
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55 }
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56
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57 ArrayList<Register> list = new ArrayList<>();
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58 for (Register reg : getAllocatableRegisters()) {
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59 if (architecture.canStoreValue(reg.getRegisterCategory(), kind)) {
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60 list.add(reg);
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61 }
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62 }
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63
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64 Register[] ret = list.toArray(new Register[0]);
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65 categorized.put(kind, ret);
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66 return ret;
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67 }
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68
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69 @Override
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70 public RegisterAttributes[] getAttributesMap() {
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71 return attributesMap.clone();
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72 }
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73
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74 private final Register[] javaGeneralParameterRegisters;
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75 private final Register[] nativeGeneralParameterRegisters;
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76 private final Register[] xmmParameterRegisters = {xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7};
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77
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78 private final CalleeSaveLayout csl;
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79
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80 private static Register findRegister(String name, Register[] all) {
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81 for (Register reg : all) {
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82 if (reg.name.equals(name)) {
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83 return reg;
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84 }
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85 }
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86 throw new IllegalArgumentException("register " + name + " is not allocatable");
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87 }
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88
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89 private static Register[] initAllocatable(boolean reserveForHeapBase) {
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90 Register[] registers = null;
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91 // @formatter:off
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92 if (reserveForHeapBase) {
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93 registers = new Register[] {
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94 rax, rbx, rcx, rdx, /*rsp,*/ rbp, rsi, rdi, r8, r9, r10, r11, /*r12,*/ r13, r14, /*r15, */
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95 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7,
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96 xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15
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97 };
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98 } else {
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99 registers = new Register[] {
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100 rax, rbx, rcx, rdx, /*rsp,*/ rbp, rsi, rdi, r8, r9, r10, r11, r12, r13, r14, /*r15, */
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101 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7,
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102 xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15
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103 };
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104 }
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105 // @formatter:on
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106
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107 if (RegisterPressure.getValue() != null) {
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108 String[] names = RegisterPressure.getValue().split(",");
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109 Register[] regs = new Register[names.length];
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110 for (int i = 0; i < names.length; i++) {
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111 regs[i] = findRegister(names[i], registers);
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112 }
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113 return regs;
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114 }
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115
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116 return registers;
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117 }
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118
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119 public AMD64HotSpotRegisterConfig(Architecture architecture, HotSpotVMConfig config) {
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120 this.architecture = architecture;
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121
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122 if (config.windowsOs) {
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123 javaGeneralParameterRegisters = new Register[]{rdx, r8, r9, rdi, rsi, rcx};
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124 nativeGeneralParameterRegisters = new Register[]{rcx, rdx, r8, r9};
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125 } else {
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126 javaGeneralParameterRegisters = new Register[]{rsi, rdx, rcx, r8, r9, rdi};
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127 nativeGeneralParameterRegisters = new Register[]{rdi, rsi, rdx, rcx, r8, r9};
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128 }
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diff changeset
129
9717
f8e0bf2c70e2 consolidated the two RegisterConfig instances for HotSpotRuntime into one
Doug Simon <doug.simon@oracle.com>
parents: 9693
diff changeset
130 csl = null;
9892
3d965e61b5f6 Unsuccessful attempt to save r12 when heap base is zero, verification uses it
Christos Kotselidis <christos.kotselidis@oracle.com>
parents: 9886
diff changeset
131 allocatable = initAllocatable(config.useCompressedOops);
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
132 attributesMap = RegisterAttributes.createMap(this, AMD64.allRegisters);
3733
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133 }
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134
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135 @Override
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diff changeset
136 public Register[] getCallerSaveRegisters() {
3733
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137 return getAllocatableRegisters();
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138 }
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139
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140 @Override
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141 public Register getRegisterForRole(int index) {
3733
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142 throw new UnsupportedOperationException();
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143 }
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144
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145 @Override
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2912b72d840a More complete and reusable Word type
Christian Wimmer <christian.wimmer@oracle.com>
parents: 7098
diff changeset
146 public CallingConvention getCallingConvention(Type type, JavaType returnType, JavaType[] parameterTypes, TargetDescription target, boolean stackOnly) {
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147 if (type == Type.NativeCall) {
7364
1489cd4eabe7 added support for making calls with the native/C ABI
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
148 return callingConvention(nativeGeneralParameterRegisters, returnType, parameterTypes, type, target, stackOnly);
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149 }
9717
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parents: 9693
diff changeset
150 // On x64, parameter locations are the same whether viewed
f8e0bf2c70e2 consolidated the two RegisterConfig instances for HotSpotRuntime into one
Doug Simon <doug.simon@oracle.com>
parents: 9693
diff changeset
151 // from the caller or callee perspective
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Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
152 return callingConvention(javaGeneralParameterRegisters, returnType, parameterTypes, type, target, stackOnly);
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153 }
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154
9425
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9423
diff changeset
155 public Register[] getCallingConventionRegisters(Type type, Kind kind) {
3ec29630cfb4 Use register categories instead of register flags.
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parents: 9423
diff changeset
156 if (architecture.canStoreValue(XMM, kind)) {
6521
2a0c9f20baa1 consolidated framework for runtime and stub calls and moved declaration of descriptors for such calls to the source file in which they are used
Doug Simon <doug.simon@oracle.com>
parents: 6495
diff changeset
157 return xmmParameterRegisters;
2a0c9f20baa1 consolidated framework for runtime and stub calls and moved declaration of descriptors for such calls to the source file in which they are used
Doug Simon <doug.simon@oracle.com>
parents: 6495
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158 }
9425
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Roland Schatz <roland.schatz@oracle.com>
parents: 9423
diff changeset
159 assert architecture.canStoreValue(CPU, kind);
7364
1489cd4eabe7 added support for making calls with the native/C ABI
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
160 return type == Type.NativeCall ? nativeGeneralParameterRegisters : javaGeneralParameterRegisters;
3733
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161 }
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162
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parents: 7300
diff changeset
163 private CallingConvention callingConvention(Register[] generalParameterRegisters, JavaType returnType, JavaType[] parameterTypes, Type type, TargetDescription target, boolean stackOnly) {
9296
1342574c4f7d Move targets can only be AllocatableValues.
Roland Schatz <roland.schatz@oracle.com>
parents: 8338
diff changeset
164 AllocatableValue[] locations = new AllocatableValue[parameterTypes.length];
3733
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165
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166 int currentGeneral = 0;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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167 int currentXMM = 0;
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
168 int currentStackOffset = 0;
3733
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169
7300
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parents: 7098
diff changeset
170 for (int i = 0; i < parameterTypes.length; i++) {
2912b72d840a More complete and reusable Word type
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diff changeset
171 final Kind kind = parameterTypes[i].getKind();
3733
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172
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173 switch (kind) {
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174 case Byte:
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175 case Boolean:
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176 case Short:
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177 case Char:
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178 case Int:
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179 case Long:
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180 case Object:
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parents:
diff changeset
181 if (!stackOnly && currentGeneral < generalParameterRegisters.length) {
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
182 Register register = generalParameterRegisters[currentGeneral++];
3733
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183 locations[i] = register.asValue(kind);
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184 }
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185 break;
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parents:
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186 case Float:
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parents:
diff changeset
187 case Double:
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188 if (!stackOnly && currentXMM < xmmParameterRegisters.length) {
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
189 Register register = xmmParameterRegisters[currentXMM++];
3733
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diff changeset
190 locations[i] = register.asValue(kind);
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parents:
diff changeset
191 }
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parents:
diff changeset
192 break;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
193 default:
4524
dcc8f5c6f394 Refactorings to prepare for LIR project splitting
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4220
diff changeset
194 throw GraalInternalError.shouldNotReachHere();
3733
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diff changeset
195 }
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diff changeset
196
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diff changeset
197 if (locations[i] == null) {
6539
2463eb24b644 Cleanup of Graal API: Rename methods so that it follows the getXxx naming convention and so that they are similar to the names of the java.lang.reflect classes. Remove unused methods.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6531
diff changeset
198 locations[i] = StackSlot.get(kind.getStackKind(), currentStackOffset, !type.out);
9423
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9414
diff changeset
199 currentStackOffset += Math.max(target.arch.getSizeInBytes(kind), target.wordSize);
3733
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200 }
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diff changeset
201 }
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diff changeset
202
7300
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parents: 7098
diff changeset
203 Kind returnKind = returnType == null ? Kind.Void : returnType.getKind();
9296
1342574c4f7d Move targets can only be AllocatableValues.
Roland Schatz <roland.schatz@oracle.com>
parents: 8338
diff changeset
204 AllocatableValue returnLocation = returnKind == Kind.Void ? Value.ILLEGAL : getReturnRegister(returnKind).asValue(returnKind);
6470
b1010f7bc0bf expanded CallingConvention API class to also include the location of the value (if any) returned by a call
Doug Simon <doug.simon@oracle.com>
parents: 6413
diff changeset
205 return new CallingConvention(currentStackOffset, returnLocation, locations);
3733
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diff changeset
206 }
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diff changeset
207
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parents:
diff changeset
208 @Override
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
209 public Register getReturnRegister(Kind kind) {
3733
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parents:
diff changeset
210 switch (kind) {
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parents:
diff changeset
211 case Boolean:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
212 case Byte:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
213 case Char:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
214 case Short:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
215 case Int:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
216 case Long:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
217 case Object:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
218 return rax;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
219 case Float:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
220 case Double:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
221 return xmm0;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
222 case Void:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
223 case Illegal:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
224 return null;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
225 default:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
226 throw new UnsupportedOperationException("no return register for type " + kind);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
227 }
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parents:
diff changeset
228 }
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
229
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
230 @Override
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
231 public Register getFrameRegister() {
3733
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parents:
diff changeset
232 return rsp;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
233 }
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
234
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
235 public CalleeSaveLayout getCalleeSaveLayout() {
5233
efbb1e33e2f3 removed XIR prologue and epilogues - architecture and runtime specific subclass of Backend is now used instead
Doug Simon <doug.simon@oracle.com>
parents: 5061
diff changeset
236 return csl;
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
237 }
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
238
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
239 @Override
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
240 public String toString() {
9717
f8e0bf2c70e2 consolidated the two RegisterConfig instances for HotSpotRuntime into one
Doug Simon <doug.simon@oracle.com>
parents: 9693
diff changeset
241 return String.format("Allocatable: " + Arrays.toString(getAllocatableRegisters()) + "%n" + "CallerSave: " + Arrays.toString(getCallerSaveRegisters()) + "%n");
3733
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parents:
diff changeset
242 }
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
243 }