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annotate jvmci/jdk.vm.ci.hotspot.amd64/src/jdk/vm/ci/hotspot/amd64/AMD64HotSpotRegisterConfig.java @ 22786:ac649db7fec4

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Use a reserved registers array in initAllocatable.
author twisti
date Fri, 22 Jan 2016 12:48:57 -1000
parents 0ab4d816a7f0
children a920338dd4d4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 * Copyright (c) 2011, 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
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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 jdk.vm.ci.hotspot.amd64;
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24
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25 import static jdk.vm.ci.amd64.AMD64.r12;
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26 import static jdk.vm.ci.amd64.AMD64.r15;
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27 import static jdk.vm.ci.amd64.AMD64.r8;
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28 import static jdk.vm.ci.amd64.AMD64.r9;
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29 import static jdk.vm.ci.amd64.AMD64.rax;
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30 import static jdk.vm.ci.amd64.AMD64.rcx;
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31 import static jdk.vm.ci.amd64.AMD64.rdi;
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32 import static jdk.vm.ci.amd64.AMD64.rdx;
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33 import static jdk.vm.ci.amd64.AMD64.rsi;
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34 import static jdk.vm.ci.amd64.AMD64.rsp;
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35 import static jdk.vm.ci.amd64.AMD64.xmm0;
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36 import static jdk.vm.ci.amd64.AMD64.xmm1;
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37 import static jdk.vm.ci.amd64.AMD64.xmm2;
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38 import static jdk.vm.ci.amd64.AMD64.xmm3;
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39 import static jdk.vm.ci.amd64.AMD64.xmm4;
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40 import static jdk.vm.ci.amd64.AMD64.xmm5;
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41 import static jdk.vm.ci.amd64.AMD64.xmm6;
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42 import static jdk.vm.ci.amd64.AMD64.xmm7;
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43
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44 import java.util.ArrayList;
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45 import java.util.Arrays;
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46 import java.util.Collections;
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47 import java.util.HashSet;
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48 import java.util.List;
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49 import java.util.Set;
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50
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51 import jdk.vm.ci.code.Architecture;
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52 import jdk.vm.ci.code.CallingConvention;
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53 import jdk.vm.ci.code.CallingConvention.Type;
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54 import jdk.vm.ci.code.Register;
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55 import jdk.vm.ci.code.RegisterAttributes;
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56 import jdk.vm.ci.code.RegisterConfig;
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57 import jdk.vm.ci.code.StackSlot;
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58 import jdk.vm.ci.code.TargetDescription;
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59 import jdk.vm.ci.common.JVMCIError;
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60 import jdk.vm.ci.hotspot.HotSpotCallingConventionType;
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61 import jdk.vm.ci.hotspot.HotSpotVMConfig;
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62 import jdk.vm.ci.meta.AllocatableValue;
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63 import jdk.vm.ci.meta.JavaKind;
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64 import jdk.vm.ci.meta.JavaType;
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65 import jdk.vm.ci.meta.LIRKind;
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66 import jdk.vm.ci.meta.PlatformKind;
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67 import jdk.vm.ci.meta.Value;
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68
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69 public class AMD64HotSpotRegisterConfig implements RegisterConfig {
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70
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71 private final Architecture architecture;
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72
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73 private final Register[] allocatable;
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74
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75 private final int maxFrameSize;
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76
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77 /**
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78 * The caller saved registers always include all parameter registers.
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79 */
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80 private final Register[] callerSaved;
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81
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82 private final boolean allAllocatableAreCallerSaved;
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83
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84 private final RegisterAttributes[] attributesMap;
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85
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86 public int getMaximumFrameSize() {
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87 return maxFrameSize;
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88 }
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89
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90 @Override
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91 public Register[] getAllocatableRegisters() {
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92 return allocatable.clone();
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93 }
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94
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95 @Override
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96 public Register[] filterAllocatableRegisters(PlatformKind kind, Register[] registers) {
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97 ArrayList<Register> list = new ArrayList<>();
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98 for (Register reg : registers) {
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99 if (architecture.canStoreValue(reg.getRegisterCategory(), kind)) {
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100 list.add(reg);
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101 }
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102 }
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103
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104 Register[] ret = list.toArray(new Register[list.size()]);
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105 return ret;
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106 }
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107
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108 @Override
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109 public RegisterAttributes[] getAttributesMap() {
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110 return attributesMap.clone();
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111 }
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112
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113 private final Register[] javaGeneralParameterRegisters;
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114 private final Register[] nativeGeneralParameterRegisters;
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115 private final Register[] xmmParameterRegisters = {xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7};
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116
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117 /*
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118 * Some ABIs (e.g. Windows) require a so-called "home space", that is a save area on the stack
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119 * to store the argument registers
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120 */
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121 private final boolean needsNativeStackHomeSpace;
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122
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123 private static final Register[] reservedRegisters = {rsp, r15};
ac649db7fec4 Use a reserved registers array in initAllocatable.
twisti
parents: 22784
diff changeset
124
22640
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
125 private static Register[] initAllocatable(Architecture arch, boolean reserveForHeapBase) {
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
126 Register[] allRegisters = arch.getAvailableValueRegisters();
22786
ac649db7fec4 Use a reserved registers array in initAllocatable.
twisti
parents: 22784
diff changeset
127 Register[] registers = new Register[allRegisters.length - reservedRegisters.length - (reserveForHeapBase ? 1 : 0)];
ac649db7fec4 Use a reserved registers array in initAllocatable.
twisti
parents: 22784
diff changeset
128 List<Register> reservedRegistersList = Arrays.asList(reservedRegisters);
22640
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
129
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
130 int idx = 0;
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
131 for (Register reg : allRegisters) {
22786
ac649db7fec4 Use a reserved registers array in initAllocatable.
twisti
parents: 22784
diff changeset
132 if (reservedRegistersList.contains(reg)) {
ac649db7fec4 Use a reserved registers array in initAllocatable.
twisti
parents: 22784
diff changeset
133 // skip reserved registers
22640
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
134 continue;
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
135 }
22641
461dc858dc61 Fix confused heap base and thread register.
Roland Schatz <roland.schatz@oracle.com>
parents: 22640
diff changeset
136 if (reserveForHeapBase && reg.equals(r12)) {
22640
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
137 // skip heap base register
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
138 continue;
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
139 }
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
140
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
141 registers[idx++] = reg;
9886
d14b65dac937 Reserve r12 for heap base address when compressed oops are enabled
Christos Kotselidis <christos.kotselidis@oracle.com>
parents: 9717
diff changeset
142 }
22640
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
143
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
144 assert idx == registers.length;
9886
d14b65dac937 Reserve r12 for heap base address when compressed oops are enabled
Christos Kotselidis <christos.kotselidis@oracle.com>
parents: 9717
diff changeset
145 return registers;
8222
7a81fbcd67bb Debug option to reduce available registers.
Roland Schatz <roland.schatz@oracle.com>
parents: 8140
diff changeset
146 }
7a81fbcd67bb Debug option to reduce available registers.
Roland Schatz <roland.schatz@oracle.com>
parents: 8140
diff changeset
147
9717
f8e0bf2c70e2 consolidated the two RegisterConfig instances for HotSpotRuntime into one
Doug Simon <doug.simon@oracle.com>
parents: 9693
diff changeset
148 public AMD64HotSpotRegisterConfig(Architecture architecture, HotSpotVMConfig config) {
22640
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
149 this(architecture, config, initAllocatable(architecture, config.useCompressedOops));
21674
e0b5d4fcd929 moved HotSpotTargetDescription and [AMD64|SPARC]HotSpotRegisterConfig into JVMCI namespace (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21673
diff changeset
150 assert callerSaved.length >= allocatable.length;
15011
c8e575742f36 allow compilation with custom RegisterConfig
Lukas Stadler <lukas.stadler@oracle.com>
parents: 14989
diff changeset
151 }
c8e575742f36 allow compilation with custom RegisterConfig
Lukas Stadler <lukas.stadler@oracle.com>
parents: 14989
diff changeset
152
c8e575742f36 allow compilation with custom RegisterConfig
Lukas Stadler <lukas.stadler@oracle.com>
parents: 14989
diff changeset
153 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
154 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
155 this.maxFrameSize = config.maxFrameSize;
9425
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9423
diff changeset
156
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
157 if (config.windowsOs) {
9717
f8e0bf2c70e2 consolidated the two RegisterConfig instances for HotSpotRuntime into one
Doug Simon <doug.simon@oracle.com>
parents: 9693
diff changeset
158 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
159 nativeGeneralParameterRegisters = new Register[]{rcx, rdx, r8, r9};
18598
d806707624bb amd64 register config: reserve "home space" on windows in frame.
Bernhard Urban <bernhard.urban@jku.at>
parents: 18355
diff changeset
160 this.needsNativeStackHomeSpace = true;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
161 } else {
9717
f8e0bf2c70e2 consolidated the two RegisterConfig instances for HotSpotRuntime into one
Doug Simon <doug.simon@oracle.com>
parents: 9693
diff changeset
162 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
163 nativeGeneralParameterRegisters = new Register[]{rdi, rsi, rdx, rcx, r8, r9};
18598
d806707624bb amd64 register config: reserve "home space" on windows in frame.
Bernhard Urban <bernhard.urban@jku.at>
parents: 18355
diff changeset
164 this.needsNativeStackHomeSpace = false;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
165 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
166
22659
39f1499686ea Remove unnecessary array clone.
Roland Schatz <roland.schatz@oracle.com>
parents: 22641
diff changeset
167 this.allocatable = allocatable;
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
168 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
169 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
170 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
171 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
172 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
173 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
174
14614
abf7cf57df5e added RegisterConfig.areAllAllocatableRegistersCallerSaved()
Doug Simon <doug.simon@oracle.com>
parents: 14560
diff changeset
175 allAllocatableAreCallerSaved = true;
22640
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
176 attributesMap = RegisterAttributes.createMap(this, architecture.getRegisters());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
177 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
178
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
179 @Override
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
180 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
181 return callerSaved;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
182 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
183
22784
0ab4d816a7f0 Always check the type of CallingConvention.Type
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22783
diff changeset
184 @Override
22431
0a0c0111ecda Remove unused class CalleeSaveLayout.
Roland Schatz <roland.schatz@oracle.com>
parents: 22054
diff changeset
185 public Register[] getCalleeSaveRegisters() {
0a0c0111ecda Remove unused class CalleeSaveLayout.
Roland Schatz <roland.schatz@oracle.com>
parents: 22054
diff changeset
186 return null;
0a0c0111ecda Remove unused class CalleeSaveLayout.
Roland Schatz <roland.schatz@oracle.com>
parents: 22054
diff changeset
187 }
0a0c0111ecda Remove unused class CalleeSaveLayout.
Roland Schatz <roland.schatz@oracle.com>
parents: 22054
diff changeset
188
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
189 @Override
14614
abf7cf57df5e added RegisterConfig.areAllAllocatableRegistersCallerSaved()
Doug Simon <doug.simon@oracle.com>
parents: 14560
diff changeset
190 public boolean areAllAllocatableRegistersCallerSaved() {
abf7cf57df5e added RegisterConfig.areAllAllocatableRegistersCallerSaved()
Doug Simon <doug.simon@oracle.com>
parents: 14560
diff changeset
191 return allAllocatableAreCallerSaved;
abf7cf57df5e added RegisterConfig.areAllAllocatableRegistersCallerSaved()
Doug Simon <doug.simon@oracle.com>
parents: 14560
diff changeset
192 }
abf7cf57df5e added RegisterConfig.areAllAllocatableRegistersCallerSaved()
Doug Simon <doug.simon@oracle.com>
parents: 14560
diff changeset
193
abf7cf57df5e added RegisterConfig.areAllAllocatableRegistersCallerSaved()
Doug Simon <doug.simon@oracle.com>
parents: 14560
diff changeset
194 @Override
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
195 public Register getRegisterForRole(int index) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
196 throw new UnsupportedOperationException();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
197 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
198
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
199 @Override
22783
d63506bb5237 Make CallingConvention.Type extensible; remove unused stackOnly parameter
Christian Wimmer <christian.wimmer@oracle.com>
parents: 22672
diff changeset
200 public CallingConvention getCallingConvention(Type type, JavaType returnType, JavaType[] parameterTypes, TargetDescription target) {
22784
0ab4d816a7f0 Always check the type of CallingConvention.Type
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22783
diff changeset
201 HotSpotCallingConventionType hotspotType = (HotSpotCallingConventionType) type;
22783
d63506bb5237 Make CallingConvention.Type extensible; remove unused stackOnly parameter
Christian Wimmer <christian.wimmer@oracle.com>
parents: 22672
diff changeset
202 if (type == HotSpotCallingConventionType.NativeCall) {
22784
0ab4d816a7f0 Always check the type of CallingConvention.Type
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22783
diff changeset
203 return callingConvention(nativeGeneralParameterRegisters, returnType, parameterTypes, hotspotType, target);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
204 }
9717
f8e0bf2c70e2 consolidated the two RegisterConfig instances for HotSpotRuntime into one
Doug Simon <doug.simon@oracle.com>
parents: 9693
diff changeset
205 // 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
206 // from the caller or callee perspective
22784
0ab4d816a7f0 Always check the type of CallingConvention.Type
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22783
diff changeset
207 return callingConvention(javaGeneralParameterRegisters, returnType, parameterTypes, hotspotType, target);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
208 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
209
22784
0ab4d816a7f0 Always check the type of CallingConvention.Type
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22783
diff changeset
210 @Override
22536
dc1aeef79e7e Refactoring: Rename Kind to JavaKind.
Roland Schatz <roland.schatz@oracle.com>
parents: 22535
diff changeset
211 public Register[] getCallingConventionRegisters(Type type, JavaKind kind) {
22784
0ab4d816a7f0 Always check the type of CallingConvention.Type
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22783
diff changeset
212 HotSpotCallingConventionType hotspotType = (HotSpotCallingConventionType) type;
22533
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
213 switch (kind) {
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
214 case Boolean:
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
215 case Byte:
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
216 case Short:
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
217 case Char:
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
218 case Int:
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
219 case Long:
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
220 case Object:
22784
0ab4d816a7f0 Always check the type of CallingConvention.Type
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22783
diff changeset
221 return hotspotType == HotSpotCallingConventionType.NativeCall ? nativeGeneralParameterRegisters : javaGeneralParameterRegisters;
22533
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
222 case Float:
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
223 case Double:
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
224 return xmmParameterRegisters;
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
225 default:
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
226 throw JVMCIError.shouldNotReachHere();
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
227 }
22533
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
228 }
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
229
22783
d63506bb5237 Make CallingConvention.Type extensible; remove unused stackOnly parameter
Christian Wimmer <christian.wimmer@oracle.com>
parents: 22672
diff changeset
230 private CallingConvention callingConvention(Register[] generalParameterRegisters, JavaType returnType, JavaType[] parameterTypes, HotSpotCallingConventionType type, TargetDescription target) {
9296
1342574c4f7d Move targets can only be AllocatableValues.
Roland Schatz <roland.schatz@oracle.com>
parents: 8338
diff changeset
231 AllocatableValue[] locations = new AllocatableValue[parameterTypes.length];
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
232
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
233 int currentGeneral = 0;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
234 int currentXMM = 0;
22783
d63506bb5237 Make CallingConvention.Type extensible; remove unused stackOnly parameter
Christian Wimmer <christian.wimmer@oracle.com>
parents: 22672
diff changeset
235 int currentStackOffset = type == HotSpotCallingConventionType.NativeCall && needsNativeStackHomeSpace ? generalParameterRegisters.length * target.wordSize : 0;
3733
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 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
238 final JavaKind kind = parameterTypes[i].getJavaKind().getStackKind();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
239
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
240 switch (kind) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
241 case Byte:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
242 case Boolean:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
243 case Short:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
244 case Char:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
245 case Int:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
246 case Long:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
247 case Object:
22783
d63506bb5237 Make CallingConvention.Type extensible; remove unused stackOnly parameter
Christian Wimmer <christian.wimmer@oracle.com>
parents: 22672
diff changeset
248 if (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
249 Register register = generalParameterRegisters[currentGeneral++];
22535
ca418f35d728 Use wordKind instead of Kind.Object in backend.
Roland Schatz <roland.schatz@oracle.com>
parents: 22533
diff changeset
250 locations[i] = register.asValue(target.getLIRKind(kind));
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
251 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
252 break;
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:
22783
d63506bb5237 Make CallingConvention.Type extensible; remove unused stackOnly parameter
Christian Wimmer <christian.wimmer@oracle.com>
parents: 22672
diff changeset
255 if (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
256 Register register = xmmParameterRegisters[currentXMM++];
22535
ca418f35d728 Use wordKind instead of Kind.Object in backend.
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257 locations[i] = register.asValue(target.getLIRKind(kind));
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258 }
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259 break;
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260 default:
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93c50cefb9e8 moved GraalInternalError to com.oracle.jvmci.common and renamed it to JVMCIError (JBS:GRAAL-53)
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261 throw JVMCIError.shouldNotReachHere();
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262 }
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263
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264 if (locations[i] == null) {
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265 LIRKind lirKind = target.getLIRKind(kind);
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df053711614b Remove Value.getKind().
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266 locations[i] = StackSlot.get(lirKind, currentStackOffset, !type.out);
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355c41327aea Remove TargetDescription.getSizeInBytes method.
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267 currentStackOffset += Math.max(lirKind.getPlatformKind().getSizeInBytes(), target.wordSize);
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268 }
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269 }
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270
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dc1aeef79e7e Refactoring: Rename Kind to JavaKind.
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271 JavaKind returnKind = returnType == null ? JavaKind.Void : returnType.getJavaKind();
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272 AllocatableValue returnLocation = returnKind == JavaKind.Void ? Value.ILLEGAL : getReturnRegister(returnKind).asValue(target.getLIRKind(returnKind.getStackKind()));
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b1010f7bc0bf expanded CallingConvention API class to also include the location of the value (if any) returned by a call
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273 return new CallingConvention(currentStackOffset, returnLocation, locations);
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274 }
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275
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276 @Override
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277 public Register getReturnRegister(JavaKind kind) {
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278 switch (kind) {
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279 case Boolean:
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280 case Byte:
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281 case Char:
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282 case Short:
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283 case Int:
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284 case Long:
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285 case Object:
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286 return rax;
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287 case Float:
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288 case Double:
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289 return xmm0;
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290 case Void:
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291 case Illegal:
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292 return null;
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293 default:
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294 throw new UnsupportedOperationException("no return register for type " + kind);
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295 }
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296 }
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297
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298 @Override
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
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299 public Register getFrameRegister() {
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300 return rsp;
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301 }
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302
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303 @Override
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304 public String toString() {
9717
f8e0bf2c70e2 consolidated the two RegisterConfig instances for HotSpotRuntime into one
Doug Simon <doug.simon@oracle.com>
parents: 9693
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305 return String.format("Allocatable: " + Arrays.toString(getAllocatableRegisters()) + "%n" + "CallerSave: " + Arrays.toString(getCallerSaveRegisters()) + "%n");
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306 }
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307 }