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annotate graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotRegisterConfig.java @ 18355:9a11c4086341

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size array appropriately when creating categorized register array
author Doug Simon <doug.simon@oracle.com>
date Wed, 12 Nov 2014 15:13:51 +0100
parents 9e5a323e0a1e
children d806707624bb 12bad81babff
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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.compiler.common.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.compiler.common.*;
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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 int maxFrameSize;
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44
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45 /**
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46 * The same as {@link #allocatable}, except if parameter registers are removed with the
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47 * {@link GraalOptions#RegisterPressure} option. The caller saved registers always include all
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48 * parameter registers.
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49 */
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50 private final Register[] callerSaved;
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51
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52 private final boolean allAllocatableAreCallerSaved;
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53
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54 private final HashMap<PlatformKind, Register[]> categorized = new HashMap<>();
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55
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56 private final RegisterAttributes[] attributesMap;
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57
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58 public int getMaximumFrameSize() {
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59 return maxFrameSize;
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60 }
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61
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62 @Override
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63 public Register[] getAllocatableRegisters() {
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64 return allocatable.clone();
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65 }
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66
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67 public Register[] getAllocatableRegisters(PlatformKind kind) {
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68 if (categorized.containsKey(kind)) {
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69 return categorized.get(kind);
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70 }
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71
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72 ArrayList<Register> list = new ArrayList<>();
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73 for (Register reg : getAllocatableRegisters()) {
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74 if (architecture.canStoreValue(reg.getRegisterCategory(), kind)) {
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75 list.add(reg);
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76 }
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77 }
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78
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79 Register[] ret = list.toArray(new Register[list.size()]);
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80 categorized.put(kind, ret);
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81 return ret;
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82 }
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83
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84 @Override
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85 public RegisterAttributes[] getAttributesMap() {
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86 return attributesMap.clone();
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87 }
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88
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89 private final Register[] javaGeneralParameterRegisters;
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90 private final Register[] nativeGeneralParameterRegisters;
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91 private final Register[] xmmParameterRegisters = {xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7};
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92
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93 private final CalleeSaveLayout csl;
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94
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95 private static Register findRegister(String name, Register[] all) {
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96 for (Register reg : all) {
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97 if (reg.name.equals(name)) {
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98 return reg;
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99 }
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100 }
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101 throw new IllegalArgumentException("register " + name + " is not allocatable");
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102 }
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103
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104 private static Register[] initAllocatable(boolean reserveForHeapBase) {
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105 Register[] registers = null;
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106 // @formatter:off
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107 if (reserveForHeapBase) {
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108 registers = new Register[] {
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109 rax, rbx, rcx, rdx, /*rsp,*/ rbp, rsi, rdi, r8, r9, r10, r11, /*r12,*/ r13, r14, /*r15, */
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110 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7,
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111 xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15
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112 };
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113 } else {
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114 registers = new Register[] {
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115 rax, rbx, rcx, rdx, /*rsp,*/ rbp, rsi, rdi, r8, r9, r10, r11, r12, r13, r14, /*r15, */
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116 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7,
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117 xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15
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118 };
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119 }
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120 // @formatter:on
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121
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122 if (RegisterPressure.getValue() != null) {
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123 String[] names = RegisterPressure.getValue().split(",");
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124 Register[] regs = new Register[names.length];
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125 for (int i = 0; i < names.length; i++) {
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126 regs[i] = findRegister(names[i], registers);
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127 }
7a81fbcd67bb Debug option to reduce available registers.
Roland Schatz <roland.schatz@oracle.com>
parents: 8140
diff changeset
128 return regs;
7a81fbcd67bb Debug option to reduce available registers.
Roland Schatz <roland.schatz@oracle.com>
parents: 8140
diff changeset
129 }
7a81fbcd67bb Debug option to reduce available registers.
Roland Schatz <roland.schatz@oracle.com>
parents: 8140
diff changeset
130
9886
d14b65dac937 Reserve r12 for heap base address when compressed oops are enabled
Christos Kotselidis <christos.kotselidis@oracle.com>
parents: 9717
diff changeset
131 return registers;
8222
7a81fbcd67bb Debug option to reduce available registers.
Roland Schatz <roland.schatz@oracle.com>
parents: 8140
diff changeset
132 }
7a81fbcd67bb Debug option to reduce available registers.
Roland Schatz <roland.schatz@oracle.com>
parents: 8140
diff changeset
133
9717
f8e0bf2c70e2 consolidated the two RegisterConfig instances for HotSpotRuntime into one
Doug Simon <doug.simon@oracle.com>
parents: 9693
diff changeset
134 public AMD64HotSpotRegisterConfig(Architecture architecture, HotSpotVMConfig config) {
15011
c8e575742f36 allow compilation with custom RegisterConfig
Lukas Stadler <lukas.stadler@oracle.com>
parents: 14989
diff changeset
135 this(architecture, config, initAllocatable(config.useCompressedOops));
c8e575742f36 allow compilation with custom RegisterConfig
Lukas Stadler <lukas.stadler@oracle.com>
parents: 14989
diff changeset
136 assert callerSaved.length == allocatable.length || RegisterPressure.getValue() != null;
c8e575742f36 allow compilation with custom RegisterConfig
Lukas Stadler <lukas.stadler@oracle.com>
parents: 14989
diff changeset
137 }
c8e575742f36 allow compilation with custom RegisterConfig
Lukas Stadler <lukas.stadler@oracle.com>
parents: 14989
diff changeset
138
c8e575742f36 allow compilation with custom RegisterConfig
Lukas Stadler <lukas.stadler@oracle.com>
parents: 14989
diff changeset
139 public AMD64HotSpotRegisterConfig(Architecture architecture, HotSpotVMConfig config, Register[] allocatable) {
9425
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9423
diff changeset
140 this.architecture = architecture;
14989
a0dbb3628f2a Allow limiting maximum frame size in register configuration and bailout if it exceeds the specified limit.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 14906
diff changeset
141 this.maxFrameSize = config.maxFrameSize;
9425
3ec29630cfb4 Use register categories instead of register flags.
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parents: 9423
diff changeset
142
3733
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parents:
diff changeset
143 if (config.windowsOs) {
9717
f8e0bf2c70e2 consolidated the two RegisterConfig instances for HotSpotRuntime into one
Doug Simon <doug.simon@oracle.com>
parents: 9693
diff changeset
144 javaGeneralParameterRegisters = new Register[]{rdx, r8, r9, rdi, rsi, rcx};
f8e0bf2c70e2 consolidated the two RegisterConfig instances for HotSpotRuntime into one
Doug Simon <doug.simon@oracle.com>
parents: 9693
diff changeset
145 nativeGeneralParameterRegisters = new Register[]{rcx, rdx, r8, r9};
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
146 } else {
9717
f8e0bf2c70e2 consolidated the two RegisterConfig instances for HotSpotRuntime into one
Doug Simon <doug.simon@oracle.com>
parents: 9693
diff changeset
147 javaGeneralParameterRegisters = new Register[]{rsi, rdx, rcx, r8, r9, rdi};
f8e0bf2c70e2 consolidated the two RegisterConfig instances for HotSpotRuntime into one
Doug Simon <doug.simon@oracle.com>
parents: 9693
diff changeset
148 nativeGeneralParameterRegisters = new Register[]{rdi, rsi, rdx, rcx, r8, r9};
3733
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parents:
diff changeset
149 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
150
9717
f8e0bf2c70e2 consolidated the two RegisterConfig instances for HotSpotRuntime into one
Doug Simon <doug.simon@oracle.com>
parents: 9693
diff changeset
151 csl = null;
15011
c8e575742f36 allow compilation with custom RegisterConfig
Lukas Stadler <lukas.stadler@oracle.com>
parents: 14989
diff changeset
152 this.allocatable = allocatable.clone();
13343
5dd9670009df fixed: parameter registers missing from caller saved set if excluded with the RegisterPressure option
Erik Eckstein <erik.eckstein@oracle.com>
parents: 9896
diff changeset
153 Set<Register> callerSaveSet = new HashSet<>();
5dd9670009df fixed: parameter registers missing from caller saved set if excluded with the RegisterPressure option
Erik Eckstein <erik.eckstein@oracle.com>
parents: 9896
diff changeset
154 Collections.addAll(callerSaveSet, allocatable);
5dd9670009df fixed: parameter registers missing from caller saved set if excluded with the RegisterPressure option
Erik Eckstein <erik.eckstein@oracle.com>
parents: 9896
diff changeset
155 Collections.addAll(callerSaveSet, xmmParameterRegisters);
5dd9670009df fixed: parameter registers missing from caller saved set if excluded with the RegisterPressure option
Erik Eckstein <erik.eckstein@oracle.com>
parents: 9896
diff changeset
156 Collections.addAll(callerSaveSet, javaGeneralParameterRegisters);
5dd9670009df fixed: parameter registers missing from caller saved set if excluded with the RegisterPressure option
Erik Eckstein <erik.eckstein@oracle.com>
parents: 9896
diff changeset
157 Collections.addAll(callerSaveSet, nativeGeneralParameterRegisters);
5dd9670009df fixed: parameter registers missing from caller saved set if excluded with the RegisterPressure option
Erik Eckstein <erik.eckstein@oracle.com>
parents: 9896
diff changeset
158 callerSaved = callerSaveSet.toArray(new Register[callerSaveSet.size()]);
5dd9670009df fixed: parameter registers missing from caller saved set if excluded with the RegisterPressure option
Erik Eckstein <erik.eckstein@oracle.com>
parents: 9896
diff changeset
159
14614
abf7cf57df5e added RegisterConfig.areAllAllocatableRegistersCallerSaved()
Doug Simon <doug.simon@oracle.com>
parents: 14560
diff changeset
160 allAllocatableAreCallerSaved = true;
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
161 attributesMap = RegisterAttributes.createMap(this, AMD64.allRegisters);
3733
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parents:
diff changeset
162 }
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
163
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
164 @Override
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
165 public Register[] getCallerSaveRegisters() {
13343
5dd9670009df fixed: parameter registers missing from caller saved set if excluded with the RegisterPressure option
Erik Eckstein <erik.eckstein@oracle.com>
parents: 9896
diff changeset
166 return callerSaved;
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
167 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
168
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
169 @Override
14614
abf7cf57df5e added RegisterConfig.areAllAllocatableRegistersCallerSaved()
Doug Simon <doug.simon@oracle.com>
parents: 14560
diff changeset
170 public boolean areAllAllocatableRegistersCallerSaved() {
abf7cf57df5e added RegisterConfig.areAllAllocatableRegistersCallerSaved()
Doug Simon <doug.simon@oracle.com>
parents: 14560
diff changeset
171 return allAllocatableAreCallerSaved;
abf7cf57df5e added RegisterConfig.areAllAllocatableRegistersCallerSaved()
Doug Simon <doug.simon@oracle.com>
parents: 14560
diff changeset
172 }
abf7cf57df5e added RegisterConfig.areAllAllocatableRegistersCallerSaved()
Doug Simon <doug.simon@oracle.com>
parents: 14560
diff changeset
173
abf7cf57df5e added RegisterConfig.areAllAllocatableRegistersCallerSaved()
Doug Simon <doug.simon@oracle.com>
parents: 14560
diff changeset
174 @Override
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
175 public Register getRegisterForRole(int index) {
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
176 throw new UnsupportedOperationException();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
177 }
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
178
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
179 @Override
7300
2912b72d840a More complete and reusable Word type
Christian Wimmer <christian.wimmer@oracle.com>
parents: 7098
diff changeset
180 public CallingConvention getCallingConvention(Type type, JavaType returnType, JavaType[] parameterTypes, TargetDescription target, boolean stackOnly) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
181 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
182 return callingConvention(nativeGeneralParameterRegisters, returnType, parameterTypes, type, target, stackOnly);
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
183 }
9717
f8e0bf2c70e2 consolidated the two RegisterConfig instances for HotSpotRuntime into one
Doug Simon <doug.simon@oracle.com>
parents: 9693
diff changeset
184 // 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
185 // from the caller or callee perspective
7364
1489cd4eabe7 added support for making calls with the native/C ABI
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
186 return callingConvention(javaGeneralParameterRegisters, returnType, parameterTypes, type, target, stackOnly);
3733
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parents:
diff changeset
187 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
188
9425
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9423
diff changeset
189 public Register[] getCallingConventionRegisters(Type type, Kind kind) {
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9423
diff changeset
190 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
191 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
diff changeset
192 }
9425
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9423
diff changeset
193 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
194 return type == Type.NativeCall ? nativeGeneralParameterRegisters : javaGeneralParameterRegisters;
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
195 }
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
196
7364
1489cd4eabe7 added support for making calls with the native/C ABI
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
197 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
198 AllocatableValue[] locations = new AllocatableValue[parameterTypes.length];
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
199
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
200 int currentGeneral = 0;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
201 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
202 int currentStackOffset = 0;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
203
7300
2912b72d840a More complete and reusable Word type
Christian Wimmer <christian.wimmer@oracle.com>
parents: 7098
diff changeset
204 for (int i = 0; i < parameterTypes.length; i++) {
2912b72d840a More complete and reusable Word type
Christian Wimmer <christian.wimmer@oracle.com>
parents: 7098
diff changeset
205 final Kind kind = parameterTypes[i].getKind();
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
206
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
207 switch (kind) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
208 case Byte:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
209 case Boolean:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
210 case Short:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
211 case Char:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
212 case Int:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
213 case Long:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
214 case Object:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
215 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
216 Register register = generalParameterRegisters[currentGeneral++];
16094
c0b8d395368b Introduce LIRKind to accurately track oop references in backend.
Roland Schatz <roland.schatz@oracle.com>
parents: 15259
diff changeset
217 locations[i] = register.asValue(target.getLIRKind(kind));
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
218 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
219 break;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
220 case Float:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
221 case Double:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
222 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
223 Register register = xmmParameterRegisters[currentXMM++];
16094
c0b8d395368b Introduce LIRKind to accurately track oop references in backend.
Roland Schatz <roland.schatz@oracle.com>
parents: 15259
diff changeset
224 locations[i] = register.asValue(target.getLIRKind(kind));
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
225 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
226 break;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
227 default:
4524
dcc8f5c6f394 Refactorings to prepare for LIR project splitting
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4220
diff changeset
228 throw GraalInternalError.shouldNotReachHere();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
229 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
230
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
231 if (locations[i] == null) {
16094
c0b8d395368b Introduce LIRKind to accurately track oop references in backend.
Roland Schatz <roland.schatz@oracle.com>
parents: 15259
diff changeset
232 locations[i] = StackSlot.get(target.getLIRKind(kind.getStackKind()), currentStackOffset, !type.out);
14559
883fbd3e06e0 Make size of PlatformKind overridable by VM specific code.
Roland Schatz <roland.schatz@oracle.com>
parents: 14003
diff changeset
233 currentStackOffset += Math.max(target.getSizeInBytes(kind), target.wordSize);
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
234 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
235 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
236
7300
2912b72d840a More complete and reusable Word type
Christian Wimmer <christian.wimmer@oracle.com>
parents: 7098
diff changeset
237 Kind returnKind = returnType == null ? Kind.Void : returnType.getKind();
16094
c0b8d395368b Introduce LIRKind to accurately track oop references in backend.
Roland Schatz <roland.schatz@oracle.com>
parents: 15259
diff changeset
238 AllocatableValue returnLocation = returnKind == Kind.Void ? Value.ILLEGAL : getReturnRegister(returnKind).asValue(target.getLIRKind(returnKind.getStackKind()));
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
239 return new CallingConvention(currentStackOffset, returnLocation, locations);
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
240 }
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
241
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
242 @Override
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
243 public Register getReturnRegister(Kind kind) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
244 switch (kind) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
245 case Boolean:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
246 case Byte:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
247 case Char:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
248 case Short:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
249 case Int:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
250 case Long:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
251 case Object:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
252 return rax;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
253 case Float:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
254 case Double:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
255 return xmm0;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
256 case Void:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
257 case Illegal:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
258 return null;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
259 default:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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260 throw new UnsupportedOperationException("no return register for type " + kind);
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261 }
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262 }
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263
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264 @Override
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265 public Register getFrameRegister() {
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266 return rsp;
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267 }
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268
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269 public CalleeSaveLayout getCalleeSaveLayout() {
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270 return csl;
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271 }
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272
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273 @Override
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274 public String toString() {
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275 return String.format("Allocatable: " + Arrays.toString(getAllocatableRegisters()) + "%n" + "CallerSave: " + Arrays.toString(getCallerSaveRegisters()) + "%n");
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276 }
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277 }