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annotate jvmci/jdk.vm.ci.hotspot.sparc/src/jdk/vm/ci/hotspot/sparc/SPARCHotSpotRegisterConfig.java @ 22681:c278790fa252

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[SPARC] Move allocatable register selection out of the Architecture description
author Stefan Anzinger <stefan.anzinger@oracle.com>
date Tue, 13 Oct 2015 18:22:26 +0200
parents 4688478ecb7b
children 5ba5ff0fda9e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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Roland Schatz <roland.schatz@oracle.com>
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2 * Copyright (c) 2013, 2015, 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
f78079947084 some basic SPARC arithmetic works
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6 * under the terms of the GNU General Public License version 2 only, as
f78079947084 some basic SPARC arithmetic works
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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
f78079947084 some basic SPARC arithmetic works
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
f78079947084 some basic SPARC arithmetic works
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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,
f78079947084 some basic SPARC arithmetic works
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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 jdk.vm.ci.hotspot.sparc;
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24
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25 import static jdk.vm.ci.sparc.SPARC.d0;
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26 import static jdk.vm.ci.sparc.SPARC.d2;
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27 import static jdk.vm.ci.sparc.SPARC.d32;
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28 import static jdk.vm.ci.sparc.SPARC.d34;
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29 import static jdk.vm.ci.sparc.SPARC.d36;
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30 import static jdk.vm.ci.sparc.SPARC.d38;
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31 import static jdk.vm.ci.sparc.SPARC.d4;
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32 import static jdk.vm.ci.sparc.SPARC.d40;
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33 import static jdk.vm.ci.sparc.SPARC.d42;
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34 import static jdk.vm.ci.sparc.SPARC.d44;
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35 import static jdk.vm.ci.sparc.SPARC.d46;
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36 import static jdk.vm.ci.sparc.SPARC.d48;
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37 import static jdk.vm.ci.sparc.SPARC.d50;
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38 import static jdk.vm.ci.sparc.SPARC.d52;
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39 import static jdk.vm.ci.sparc.SPARC.d54;
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40 import static jdk.vm.ci.sparc.SPARC.d56;
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41 import static jdk.vm.ci.sparc.SPARC.d58;
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42 import static jdk.vm.ci.sparc.SPARC.d6;
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43 import static jdk.vm.ci.sparc.SPARC.d60;
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44 import static jdk.vm.ci.sparc.SPARC.d62;
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45 import static jdk.vm.ci.sparc.SPARC.f0;
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46 import static jdk.vm.ci.sparc.SPARC.f1;
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47 import static jdk.vm.ci.sparc.SPARC.f10;
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48 import static jdk.vm.ci.sparc.SPARC.f11;
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49 import static jdk.vm.ci.sparc.SPARC.f12;
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50 import static jdk.vm.ci.sparc.SPARC.f13;
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51 import static jdk.vm.ci.sparc.SPARC.f14;
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52 import static jdk.vm.ci.sparc.SPARC.f15;
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53 import static jdk.vm.ci.sparc.SPARC.f16;
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54 import static jdk.vm.ci.sparc.SPARC.f17;
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55 import static jdk.vm.ci.sparc.SPARC.f18;
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56 import static jdk.vm.ci.sparc.SPARC.f19;
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57 import static jdk.vm.ci.sparc.SPARC.f2;
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58 import static jdk.vm.ci.sparc.SPARC.f20;
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59 import static jdk.vm.ci.sparc.SPARC.f21;
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60 import static jdk.vm.ci.sparc.SPARC.f22;
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61 import static jdk.vm.ci.sparc.SPARC.f23;
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62 import static jdk.vm.ci.sparc.SPARC.f24;
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63 import static jdk.vm.ci.sparc.SPARC.f25;
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64 import static jdk.vm.ci.sparc.SPARC.f26;
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65 import static jdk.vm.ci.sparc.SPARC.f27;
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66 import static jdk.vm.ci.sparc.SPARC.f28;
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67 import static jdk.vm.ci.sparc.SPARC.f29;
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68 import static jdk.vm.ci.sparc.SPARC.f3;
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69 import static jdk.vm.ci.sparc.SPARC.f30;
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70 import static jdk.vm.ci.sparc.SPARC.f31;
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71 import static jdk.vm.ci.sparc.SPARC.f4;
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72 import static jdk.vm.ci.sparc.SPARC.f5;
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73 import static jdk.vm.ci.sparc.SPARC.f6;
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74 import static jdk.vm.ci.sparc.SPARC.f7;
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75 import static jdk.vm.ci.sparc.SPARC.f8;
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76 import static jdk.vm.ci.sparc.SPARC.f9;
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77 import static jdk.vm.ci.sparc.SPARC.g0;
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78 import static jdk.vm.ci.sparc.SPARC.g1;
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79 import static jdk.vm.ci.sparc.SPARC.g2;
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80 import static jdk.vm.ci.sparc.SPARC.g3;
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81 import static jdk.vm.ci.sparc.SPARC.g4;
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82 import static jdk.vm.ci.sparc.SPARC.g5;
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83 import static jdk.vm.ci.sparc.SPARC.g6;
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84 import static jdk.vm.ci.sparc.SPARC.g7;
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85 import static jdk.vm.ci.sparc.SPARC.i0;
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86 import static jdk.vm.ci.sparc.SPARC.i1;
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87 import static jdk.vm.ci.sparc.SPARC.i2;
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88 import static jdk.vm.ci.sparc.SPARC.i3;
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89 import static jdk.vm.ci.sparc.SPARC.i4;
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90 import static jdk.vm.ci.sparc.SPARC.i5;
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91 import static jdk.vm.ci.sparc.SPARC.i6;
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92 import static jdk.vm.ci.sparc.SPARC.i7;
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93 import static jdk.vm.ci.sparc.SPARC.l0;
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94 import static jdk.vm.ci.sparc.SPARC.l1;
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95 import static jdk.vm.ci.sparc.SPARC.l2;
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96 import static jdk.vm.ci.sparc.SPARC.l3;
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97 import static jdk.vm.ci.sparc.SPARC.l4;
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98 import static jdk.vm.ci.sparc.SPARC.l5;
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99 import static jdk.vm.ci.sparc.SPARC.l6;
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100 import static jdk.vm.ci.sparc.SPARC.l7;
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101 import static jdk.vm.ci.sparc.SPARC.o0;
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102 import static jdk.vm.ci.sparc.SPARC.o1;
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103 import static jdk.vm.ci.sparc.SPARC.o2;
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104 import static jdk.vm.ci.sparc.SPARC.o3;
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105 import static jdk.vm.ci.sparc.SPARC.o4;
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106 import static jdk.vm.ci.sparc.SPARC.o5;
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107 import static jdk.vm.ci.sparc.SPARC.o7;
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108 import static jdk.vm.ci.sparc.SPARC.sp;
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109
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110 import java.util.ArrayList;
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111 import java.util.Arrays;
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112
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113 import jdk.vm.ci.code.Architecture;
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114 import jdk.vm.ci.code.CallingConvention;
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115 import jdk.vm.ci.code.CallingConvention.Type;
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116 import jdk.vm.ci.code.Register;
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117 import jdk.vm.ci.code.RegisterAttributes;
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118 import jdk.vm.ci.code.RegisterConfig;
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119 import jdk.vm.ci.code.StackSlot;
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diff changeset
120 import jdk.vm.ci.code.TargetDescription;
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121 import jdk.vm.ci.common.JVMCIError;
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parents: 22654
diff changeset
122 import jdk.vm.ci.hotspot.HotSpotVMConfig;
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parents: 22654
diff changeset
123 import jdk.vm.ci.meta.AllocatableValue;
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parents: 22654
diff changeset
124 import jdk.vm.ci.meta.JavaKind;
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parents: 22654
diff changeset
125 import jdk.vm.ci.meta.JavaType;
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parents: 22654
diff changeset
126 import jdk.vm.ci.meta.LIRKind;
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parents: 22654
diff changeset
127 import jdk.vm.ci.meta.PlatformKind;
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128 import jdk.vm.ci.meta.Value;
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129 import jdk.vm.ci.sparc.SPARC;
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130
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131 public class SPARCHotSpotRegisterConfig implements RegisterConfig {
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132
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133 private final Architecture architecture;
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134
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135 private final Register[] allocatable;
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136
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137 private final RegisterAttributes[] attributesMap;
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138
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139 /**
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140 * Does native code (C++ code) spill arguments in registers to the parent frame?
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141 */
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142 private final boolean addNativeRegisterArgumentSlots;
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143
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144 @Override
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145 public Register[] getAllocatableRegisters() {
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146 return allocatable.clone();
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147 }
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148
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149 public Register[] filterAllocatableRegisters(PlatformKind kind, Register[] registers) {
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150 ArrayList<Register> list = new ArrayList<>();
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151 for (Register reg : registers) {
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152 if (architecture.canStoreValue(reg.getRegisterCategory(), kind)) {
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153 list.add(reg);
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154 }
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155 }
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156 Register[] ret = list.toArray(new Register[list.size()]);
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157 return ret;
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158 }
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159
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160 @Override
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161 public RegisterAttributes[] getAttributesMap() {
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162 return attributesMap.clone();
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163 }
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164
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165 private final Register[] cpuCallerParameterRegisters = {o0, o1, o2, o3, o4, o5};
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166 private final Register[] cpuCalleeParameterRegisters = {i0, i1, i2, i3, i4, i5};
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167
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168 private final Register[] fpuFloatParameterRegisters = {f0, f1, f2, f3, f4, f5, f6, f7};
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169 private final Register[] fpuDoubleParameterRegisters = {d0, null, d2, null, d4, null, d6, null};
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170
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171 // @formatter:off
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172 private final Register[] callerSaveRegisters =
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diff changeset
173 {g1, g2, g3, g4, g5, g6, g7,
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174 o0, o1, o2, o3, o4, o5, o7,
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175 f0, f1, f2, f3, f4, f5, f6, f7,
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176 f8, f9, f10, f11, f12, f13, f14, f15,
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177 f16, f17, f18, f19, f20, f21, f22, f23,
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178 f24, f25, f26, f27, f28, f29, f30, f31,
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179 d32, d34, d36, d38, d40, d42, d44, d46,
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180 d48, d50, d52, d54, d56, d58, d60, d62};
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diff changeset
181 // @formatter:on
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182
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183 /**
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184 * Registers saved by the callee. This lists all L and I registers which are saved in the
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e0b5d4fcd929 moved HotSpotTargetDescription and [AMD64|SPARC]HotSpotRegisterConfig into JVMCI namespace (JBS:GRAAL-53)
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185 * register window.
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186 */
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187 // @formatter:off
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188 private final Register[] calleeSaveRegisters = {
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189 l0, l1, l2, l3, l4, l5, l6, l7,
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190 i0, i1, i2, i3, i4, i5, i6, i7};
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191 // @formatter:on
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192
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193 private static Register[] initAllocatable(Architecture arch, boolean reserveForHeapBase) {
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diff changeset
194 Register[] allRegisters = arch.getAvailableValueRegisters();
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195 Register[] registers = new Register[allRegisters.length - (reserveForHeapBase ? 4 : 3)];
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196
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197 int idx = 0;
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198 for (Register reg : allRegisters) {
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diff changeset
199 if (reg.equals(sp) || reg.equals(g2) || reg.equals(g0)) {
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diff changeset
200 // skip g0, stack pointer and thread register
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diff changeset
201 continue;
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202 }
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203 if (reserveForHeapBase && reg.equals(g6)) {
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204 // skip heap base register
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205 continue;
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206 }
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207
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208 registers[idx++] = reg;
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209 }
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210
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211 assert idx == registers.length;
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212 return registers;
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213 }
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214
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diff changeset
215 public SPARCHotSpotRegisterConfig(Architecture arch, HotSpotVMConfig config) {
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diff changeset
216 this(arch, initAllocatable(arch, config.useCompressedOops), config);
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parents: 14991
diff changeset
217 }
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parents: 14991
diff changeset
218
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219 public SPARCHotSpotRegisterConfig(Architecture arch, Register[] allocatable, HotSpotVMConfig config) {
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diff changeset
220 this.architecture = arch;
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parents: 14991
diff changeset
221 this.allocatable = allocatable.clone();
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222 attributesMap = RegisterAttributes.createMap(this, SPARC.allRegisters);
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diff changeset
223 this.addNativeRegisterArgumentSlots = config.linuxOs;
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224 }
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225
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226 @Override
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227 public Register[] getCallerSaveRegisters() {
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228 return callerSaveRegisters;
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229 }
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230
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diff changeset
231 public Register[] getCalleeSaveRegisters() {
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diff changeset
232 return calleeSaveRegisters;
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parents: 22406
diff changeset
233 }
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parents: 22406
diff changeset
234
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235 @Override
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abf7cf57df5e added RegisterConfig.areAllAllocatableRegistersCallerSaved()
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diff changeset
236 public boolean areAllAllocatableRegistersCallerSaved() {
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diff changeset
237 return false;
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diff changeset
238 }
abf7cf57df5e added RegisterConfig.areAllAllocatableRegistersCallerSaved()
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diff changeset
239
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parents: 14559
diff changeset
240 @Override
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241 public Register getRegisterForRole(int index) {
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242 throw new UnsupportedOperationException();
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243 }
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244
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245 @Override
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246 public CallingConvention getCallingConvention(Type type, JavaType returnType, JavaType[] parameterTypes, TargetDescription target, boolean stackOnly) {
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247 if (type == Type.JavaCall || type == Type.NativeCall) {
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248 return callingConvention(cpuCallerParameterRegisters, returnType, parameterTypes, type, target, stackOnly);
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249 }
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250 if (type == Type.JavaCallee) {
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251 return callingConvention(cpuCalleeParameterRegisters, returnType, parameterTypes, type, target, stackOnly);
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252 }
21543
93c50cefb9e8 moved GraalInternalError to com.oracle.jvmci.common and renamed it to JVMCIError (JBS:GRAAL-53)
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parents: 21526
diff changeset
253 throw JVMCIError.shouldNotReachHere();
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254 }
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255
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Roland Schatz <roland.schatz@oracle.com>
parents: 22535
diff changeset
256 public Register[] getCallingConventionRegisters(Type type, JavaKind kind) {
22604
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parents: 22594
diff changeset
257 switch (kind) {
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diff changeset
258 case Boolean:
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diff changeset
259 case Byte:
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parents: 22594
diff changeset
260 case Short:
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diff changeset
261 case Char:
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parents: 22594
diff changeset
262 case Int:
479228019e48 [SPARC] Remove JavaKind dependency
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 22594
diff changeset
263 case Long:
479228019e48 [SPARC] Remove JavaKind dependency
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 22594
diff changeset
264 case Object:
479228019e48 [SPARC] Remove JavaKind dependency
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 22594
diff changeset
265 return type == Type.JavaCallee ? cpuCalleeParameterRegisters : cpuCallerParameterRegisters;
479228019e48 [SPARC] Remove JavaKind dependency
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 22594
diff changeset
266 case Double:
479228019e48 [SPARC] Remove JavaKind dependency
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 22594
diff changeset
267 case Float:
22681
c278790fa252 [SPARC] Move allocatable register selection out of the Architecture description
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 22679
diff changeset
268 return fpuFloatParameterRegisters;
22604
479228019e48 [SPARC] Remove JavaKind dependency
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 22594
diff changeset
269 default:
479228019e48 [SPARC] Remove JavaKind dependency
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parents: 22594
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270 throw JVMCIError.shouldNotReachHere("Unknown JavaKind " + kind);
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271 }
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272 }
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273
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274 private CallingConvention callingConvention(Register[] generalParameterRegisters, JavaType returnType, JavaType[] parameterTypes, Type type, TargetDescription target, boolean stackOnly) {
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275 AllocatableValue[] locations = new AllocatableValue[parameterTypes.length];
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276
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277 int currentGeneral = 0;
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278 int currentFloating = 0;
16637
eda09bc52ab9 [SPARC] Fix handling of overflow parameter on stack.
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parents: 16634
diff changeset
279 int currentStackOffset = 0;
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280
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281 for (int i = 0; i < parameterTypes.length; i++) {
22536
dc1aeef79e7e Refactoring: Rename Kind to JavaKind.
Roland Schatz <roland.schatz@oracle.com>
parents: 22535
diff changeset
282 final JavaKind kind = parameterTypes[i].getJavaKind().getStackKind();
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283
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284 switch (kind) {
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285 case Byte:
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286 case Boolean:
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287 case Short:
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288 case Char:
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289 case Int:
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290 case Long:
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291 case Object:
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292 if (!stackOnly && currentGeneral < generalParameterRegisters.length) {
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293 Register register = generalParameterRegisters[currentGeneral++];
16094
c0b8d395368b Introduce LIRKind to accurately track oop references in backend.
Roland Schatz <roland.schatz@oracle.com>
parents: 15345
diff changeset
294 locations[i] = register.asValue(target.getLIRKind(kind));
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295 }
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296 break;
16321
fac4af29aeb8 [SPARC] Fixing lots of float and double issues.
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 15345
diff changeset
297 case Double:
22681
c278790fa252 [SPARC] Move allocatable register selection out of the Architecture description
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 22679
diff changeset
298 if (!stackOnly && currentFloating < fpuFloatParameterRegisters.length) {
16321
fac4af29aeb8 [SPARC] Fixing lots of float and double issues.
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 15345
diff changeset
299 if (currentFloating % 2 != 0) {
fac4af29aeb8 [SPARC] Fixing lots of float and double issues.
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 15345
diff changeset
300 // Make register number even to be a double reg
fac4af29aeb8 [SPARC] Fixing lots of float and double issues.
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parents: 15345
diff changeset
301 currentFloating++;
fac4af29aeb8 [SPARC] Fixing lots of float and double issues.
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parents: 15345
diff changeset
302 }
20149
b1a8928fc4b9 [SPARC] Implement new instructions in assembler/enhance assertion error-message in MoveResolver
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 19534
diff changeset
303 Register register = fpuDoubleParameterRegisters[currentFloating];
16321
fac4af29aeb8 [SPARC] Fixing lots of float and double issues.
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 15345
diff changeset
304 currentFloating += 2; // Only every second is a double register
16327
5f01f7c48d40 Merge with 5cdcb94a7cf7d9782107cc582f3e4b50000d5d1f
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16321 16094
diff changeset
305 locations[i] = register.asValue(target.getLIRKind(kind));
16321
fac4af29aeb8 [SPARC] Fixing lots of float and double issues.
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parents: 15345
diff changeset
306 }
fac4af29aeb8 [SPARC] Fixing lots of float and double issues.
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 15345
diff changeset
307 break;
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308 case Float:
22681
c278790fa252 [SPARC] Move allocatable register selection out of the Architecture description
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 22679
diff changeset
309 if (!stackOnly && currentFloating < fpuFloatParameterRegisters.length) {
c278790fa252 [SPARC] Move allocatable register selection out of the Architecture description
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 22679
diff changeset
310 Register register = fpuFloatParameterRegisters[currentFloating++];
16094
c0b8d395368b Introduce LIRKind to accurately track oop references in backend.
Roland Schatz <roland.schatz@oracle.com>
parents: 15345
diff changeset
311 locations[i] = register.asValue(target.getLIRKind(kind));
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312 }
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313 break;
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parents:
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314 default:
21543
93c50cefb9e8 moved GraalInternalError to com.oracle.jvmci.common and renamed it to JVMCIError (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21526
diff changeset
315 throw JVMCIError.shouldNotReachHere();
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316 }
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parents:
diff changeset
317
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parents:
diff changeset
318 if (locations[i] == null) {
22557
0a7b7c7274be [SPARC] Fix problems introduced on refactoring Kind.Object and Value.getKind()
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 22536
diff changeset
319 LIRKind lirKind = target.getLIRKind(kind);
16654
8aa938ab4ac8 [SPARC] Spill slots must be 4 byte aligned
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16637
diff changeset
320 // Stack slot is always aligned to its size in bytes but minimum wordsize
22594
355c41327aea Remove TargetDescription.getSizeInBytes method.
Roland Schatz <roland.schatz@oracle.com>
parents: 22569
diff changeset
321 int typeSize = lirKind.getPlatformKind().getSizeInBytes();
21674
e0b5d4fcd929 moved HotSpotTargetDescription and [AMD64|SPARC]HotSpotRegisterConfig into JVMCI namespace (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21673
diff changeset
322 currentStackOffset = roundUp(currentStackOffset, typeSize);
22144
7ae8ad713862 [SPARC] Do not preset SPARCFrameMap.initialSpillsize for register save area; set calleeSaveAreaSize correctly instead
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 22054
diff changeset
323 int slotOffset = currentStackOffset + SPARC.REGISTER_SAFE_AREA_SIZE;
22557
0a7b7c7274be [SPARC] Fix problems introduced on refactoring Kind.Object and Value.getKind()
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 22536
diff changeset
324 locations[i] = StackSlot.get(lirKind, slotOffset, !type.out);
16637
eda09bc52ab9 [SPARC] Fix handling of overflow parameter on stack.
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16634
diff changeset
325 currentStackOffset += typeSize;
10459
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326 }
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parents:
diff changeset
327 }
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parents:
diff changeset
328
22536
dc1aeef79e7e Refactoring: Rename Kind to JavaKind.
Roland Schatz <roland.schatz@oracle.com>
parents: 22535
diff changeset
329 JavaKind returnKind = returnType == null ? JavaKind.Void : returnType.getJavaKind();
dc1aeef79e7e Refactoring: Rename Kind to JavaKind.
Roland Schatz <roland.schatz@oracle.com>
parents: 22535
diff changeset
330 AllocatableValue returnLocation = returnKind == JavaKind.Void ? Value.ILLEGAL : getReturnRegister(returnKind, type).asValue(target.getLIRKind(returnKind.getStackKind()));
22679
4688478ecb7b Make space in frame for native callee to spill outgoing parameters
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 22672
diff changeset
331
4688478ecb7b Make space in frame for native callee to spill outgoing parameters
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 22672
diff changeset
332 int outArgSpillArea;
4688478ecb7b Make space in frame for native callee to spill outgoing parameters
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 22672
diff changeset
333 if (type == Type.NativeCall && addNativeRegisterArgumentSlots) {
4688478ecb7b Make space in frame for native callee to spill outgoing parameters
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 22672
diff changeset
334 // Space for native callee which may spill our outgoing arguments
4688478ecb7b Make space in frame for native callee to spill outgoing parameters
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 22672
diff changeset
335 outArgSpillArea = Math.min(locations.length, generalParameterRegisters.length) * target.wordSize;
4688478ecb7b Make space in frame for native callee to spill outgoing parameters
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 22672
diff changeset
336 } else {
4688478ecb7b Make space in frame for native callee to spill outgoing parameters
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 22672
diff changeset
337 outArgSpillArea = 0;
4688478ecb7b Make space in frame for native callee to spill outgoing parameters
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 22672
diff changeset
338 }
4688478ecb7b Make space in frame for native callee to spill outgoing parameters
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 22672
diff changeset
339 return new CallingConvention(currentStackOffset + outArgSpillArea, returnLocation, locations);
10459
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parents:
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340 }
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parents:
diff changeset
341
21674
e0b5d4fcd929 moved HotSpotTargetDescription and [AMD64|SPARC]HotSpotRegisterConfig into JVMCI namespace (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21673
diff changeset
342 private static int roundUp(int number, int mod) {
e0b5d4fcd929 moved HotSpotTargetDescription and [AMD64|SPARC]HotSpotRegisterConfig into JVMCI namespace (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21673
diff changeset
343 return ((number + mod - 1) / mod) * mod;
e0b5d4fcd929 moved HotSpotTargetDescription and [AMD64|SPARC]HotSpotRegisterConfig into JVMCI namespace (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21673
diff changeset
344 }
e0b5d4fcd929 moved HotSpotTargetDescription and [AMD64|SPARC]HotSpotRegisterConfig into JVMCI namespace (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21673
diff changeset
345
10459
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parents:
diff changeset
346 @Override
22536
dc1aeef79e7e Refactoring: Rename Kind to JavaKind.
Roland Schatz <roland.schatz@oracle.com>
parents: 22535
diff changeset
347 public Register getReturnRegister(JavaKind kind) {
10871
c3b09d69dfde SPARC: fixes and more implementation; can now allocate objects
twisti
parents: 10854
diff changeset
348 return getReturnRegister(kind, Type.JavaCallee);
c3b09d69dfde SPARC: fixes and more implementation; can now allocate objects
twisti
parents: 10854
diff changeset
349 }
c3b09d69dfde SPARC: fixes and more implementation; can now allocate objects
twisti
parents: 10854
diff changeset
350
22536
dc1aeef79e7e Refactoring: Rename Kind to JavaKind.
Roland Schatz <roland.schatz@oracle.com>
parents: 22535
diff changeset
351 private static Register getReturnRegister(JavaKind kind, Type type) {
10459
f78079947084 some basic SPARC arithmetic works
twisti
parents:
diff changeset
352 switch (kind) {
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parents:
diff changeset
353 case Boolean:
f78079947084 some basic SPARC arithmetic works
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parents:
diff changeset
354 case Byte:
f78079947084 some basic SPARC arithmetic works
twisti
parents:
diff changeset
355 case Char:
f78079947084 some basic SPARC arithmetic works
twisti
parents:
diff changeset
356 case Short:
f78079947084 some basic SPARC arithmetic works
twisti
parents:
diff changeset
357 case Int:
f78079947084 some basic SPARC arithmetic works
twisti
parents:
diff changeset
358 case Long:
f78079947084 some basic SPARC arithmetic works
twisti
parents:
diff changeset
359 case Object:
10871
c3b09d69dfde SPARC: fixes and more implementation; can now allocate objects
twisti
parents: 10854
diff changeset
360 return type == Type.JavaCallee ? i0 : o0;
10459
f78079947084 some basic SPARC arithmetic works
twisti
parents:
diff changeset
361 case Float:
20149
b1a8928fc4b9 [SPARC] Implement new instructions in assembler/enhance assertion error-message in MoveResolver
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 19534
diff changeset
362 return f0;
10459
f78079947084 some basic SPARC arithmetic works
twisti
parents:
diff changeset
363 case Double:
20149
b1a8928fc4b9 [SPARC] Implement new instructions in assembler/enhance assertion error-message in MoveResolver
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 19534
diff changeset
364 return d0;
10459
f78079947084 some basic SPARC arithmetic works
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parents:
diff changeset
365 case Void:
f78079947084 some basic SPARC arithmetic works
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parents:
diff changeset
366 case Illegal:
f78079947084 some basic SPARC arithmetic works
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parents:
diff changeset
367 return null;
f78079947084 some basic SPARC arithmetic works
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parents:
diff changeset
368 default:
f78079947084 some basic SPARC arithmetic works
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parents:
diff changeset
369 throw new UnsupportedOperationException("no return register for type " + kind);
f78079947084 some basic SPARC arithmetic works
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parents:
diff changeset
370 }
f78079947084 some basic SPARC arithmetic works
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parents:
diff changeset
371 }
f78079947084 some basic SPARC arithmetic works
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parents:
diff changeset
372
f78079947084 some basic SPARC arithmetic works
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parents:
diff changeset
373 @Override
f78079947084 some basic SPARC arithmetic works
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parents:
diff changeset
374 public Register getFrameRegister() {
f78079947084 some basic SPARC arithmetic works
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parents:
diff changeset
375 return sp;
f78079947084 some basic SPARC arithmetic works
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parents:
diff changeset
376 }
f78079947084 some basic SPARC arithmetic works
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parents:
diff changeset
377
f78079947084 some basic SPARC arithmetic works
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parents:
diff changeset
378 @Override
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parents:
diff changeset
379 public String toString() {
f78079947084 some basic SPARC arithmetic works
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parents:
diff changeset
380 return String.format("Allocatable: " + Arrays.toString(getAllocatableRegisters()) + "%n" + "CallerSave: " + Arrays.toString(getCallerSaveRegisters()) + "%n");
f78079947084 some basic SPARC arithmetic works
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parents:
diff changeset
381 }
f78079947084 some basic SPARC arithmetic works
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parents:
diff changeset
382 }