Mercurial > hg > graal-jvmci-8

annotate jvmci/jdk.vm.ci.hotspot.amd64/src/jdk/vm/ci/hotspot/amd64/AMD64HotSpotRegisterConfig.java @ 23387:a920338dd4d4

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remove JVMCIError and UnsafeUtil classes (JDK-8156759)
author Doug Simon <doug.simon@oracle.com>
date Wed, 11 May 2016 15:54:36 +0200
parents ac649db7fec4
children b3a816d3b844
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.hotspot.HotSpotCallingConventionType;
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60 import jdk.vm.ci.hotspot.HotSpotVMConfig;
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61 import jdk.vm.ci.meta.AllocatableValue;
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62 import jdk.vm.ci.meta.JavaKind;
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63 import jdk.vm.ci.meta.JavaType;
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64 import jdk.vm.ci.meta.LIRKind;
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65 import jdk.vm.ci.meta.PlatformKind;
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66 import jdk.vm.ci.meta.Value;
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67
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68 public class AMD64HotSpotRegisterConfig implements RegisterConfig {
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69
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70 private final Architecture architecture;
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71
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72 private final Register[] allocatable;
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73
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74 private final int maxFrameSize;
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75
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76 /**
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77 * The caller saved registers always include all parameter registers.
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78 */
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79 private final Register[] callerSaved;
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80
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81 private final boolean allAllocatableAreCallerSaved;
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82
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83 private final RegisterAttributes[] attributesMap;
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84
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85 public int getMaximumFrameSize() {
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86 return maxFrameSize;
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87 }
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88
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89 @Override
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90 public Register[] getAllocatableRegisters() {
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91 return allocatable.clone();
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92 }
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93
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94 @Override
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95 public Register[] filterAllocatableRegisters(PlatformKind kind, Register[] registers) {
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96 ArrayList<Register> list = new ArrayList<>();
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97 for (Register reg : registers) {
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98 if (architecture.canStoreValue(reg.getRegisterCategory(), kind)) {
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99 list.add(reg);
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100 }
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101 }
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102
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103 Register[] ret = list.toArray(new Register[list.size()]);
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104 return ret;
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105 }
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106
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107 @Override
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108 public RegisterAttributes[] getAttributesMap() {
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109 return attributesMap.clone();
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110 }
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111
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112 private final Register[] javaGeneralParameterRegisters;
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113 private final Register[] nativeGeneralParameterRegisters;
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114 private final Register[] xmmParameterRegisters = {xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7};
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115
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116 /*
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117 * Some ABIs (e.g. Windows) require a so-called "home space", that is a save area on the stack
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118 * to store the argument registers
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119 */
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120 private final boolean needsNativeStackHomeSpace;
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121
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122 private static final Register[] reservedRegisters = {rsp, r15};
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123
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3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
124 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
125 Register[] allRegisters = arch.getAvailableValueRegisters();
22786
ac649db7fec4 Use a reserved registers array in initAllocatable.
twisti
parents: 22784
diff changeset
126 Register[] registers = new Register[allRegisters.length - reservedRegisters.length - (reserveForHeapBase ? 1 : 0)];
ac649db7fec4 Use a reserved registers array in initAllocatable.
twisti
parents: 22784
diff changeset
127 List<Register> reservedRegistersList = Arrays.asList(reservedRegisters);
22640
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
128
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
129 int idx = 0;
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
130 for (Register reg : allRegisters) {
22786
ac649db7fec4 Use a reserved registers array in initAllocatable.
twisti
parents: 22784
diff changeset
131 if (reservedRegistersList.contains(reg)) {
ac649db7fec4 Use a reserved registers array in initAllocatable.
twisti
parents: 22784
diff changeset
132 // skip reserved registers
22640
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
133 continue;
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
134 }
22641
461dc858dc61 Fix confused heap base and thread register.
Roland Schatz <roland.schatz@oracle.com>
parents: 22640
diff changeset
135 if (reserveForHeapBase && reg.equals(r12)) {
22640
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
136 // skip heap base register
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
137 continue;
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
138 }
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 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
141 }
22640
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
142
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
143 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
144 return registers;
8222
7a81fbcd67bb Debug option to reduce available registers.
Roland Schatz <roland.schatz@oracle.com>
parents: 8140
diff changeset
145 }
7a81fbcd67bb Debug option to reduce available registers.
Roland Schatz <roland.schatz@oracle.com>
parents: 8140
diff changeset
146
9717
f8e0bf2c70e2 consolidated the two RegisterConfig instances for HotSpotRuntime into one
Doug Simon <doug.simon@oracle.com>
parents: 9693
diff changeset
147 public AMD64HotSpotRegisterConfig(Architecture architecture, HotSpotVMConfig config) {
22640
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
148 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
149 assert callerSaved.length >= allocatable.length;
15011
c8e575742f36 allow compilation with custom RegisterConfig
Lukas Stadler <lukas.stadler@oracle.com>
parents: 14989
diff changeset
150 }
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 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
153 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
154 this.maxFrameSize = config.maxFrameSize;
9425
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9423
diff changeset
155
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
156 if (config.windowsOs) {
9717
f8e0bf2c70e2 consolidated the two RegisterConfig instances for HotSpotRuntime into one
Doug Simon <doug.simon@oracle.com>
parents: 9693
diff changeset
157 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
158 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
159 this.needsNativeStackHomeSpace = true;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
160 } else {
9717
f8e0bf2c70e2 consolidated the two RegisterConfig instances for HotSpotRuntime into one
Doug Simon <doug.simon@oracle.com>
parents: 9693
diff changeset
161 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
162 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
163 this.needsNativeStackHomeSpace = false;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
164 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
165
22659
39f1499686ea Remove unnecessary array clone.
Roland Schatz <roland.schatz@oracle.com>
parents: 22641
diff changeset
166 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
167 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
168 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
169 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
170 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
171 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
172 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
173
14614
abf7cf57df5e added RegisterConfig.areAllAllocatableRegistersCallerSaved()
Doug Simon <doug.simon@oracle.com>
parents: 14560
diff changeset
174 allAllocatableAreCallerSaved = true;
22640
3abba3d4aef1 Register and PlatformKind declarations for AVX512.
Roland Schatz <roland.schatz@oracle.com>
parents: 22594
diff changeset
175 attributesMap = RegisterAttributes.createMap(this, architecture.getRegisters());
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
176 }
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 @Override
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
179 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
180 return callerSaved;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
181 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
182
22784
0ab4d816a7f0 Always check the type of CallingConvention.Type
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22783
diff changeset
183 @Override
22431
0a0c0111ecda Remove unused class CalleeSaveLayout.
Roland Schatz <roland.schatz@oracle.com>
parents: 22054
diff changeset
184 public Register[] getCalleeSaveRegisters() {
0a0c0111ecda Remove unused class CalleeSaveLayout.
Roland Schatz <roland.schatz@oracle.com>
parents: 22054
diff changeset
185 return null;
0a0c0111ecda Remove unused class CalleeSaveLayout.
Roland Schatz <roland.schatz@oracle.com>
parents: 22054
diff changeset
186 }
0a0c0111ecda Remove unused class CalleeSaveLayout.
Roland Schatz <roland.schatz@oracle.com>
parents: 22054
diff changeset
187
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
188 @Override
14614
abf7cf57df5e added RegisterConfig.areAllAllocatableRegistersCallerSaved()
Doug Simon <doug.simon@oracle.com>
parents: 14560
diff changeset
189 public boolean areAllAllocatableRegistersCallerSaved() {
abf7cf57df5e added RegisterConfig.areAllAllocatableRegistersCallerSaved()
Doug Simon <doug.simon@oracle.com>
parents: 14560
diff changeset
190 return allAllocatableAreCallerSaved;
abf7cf57df5e added RegisterConfig.areAllAllocatableRegistersCallerSaved()
Doug Simon <doug.simon@oracle.com>
parents: 14560
diff changeset
191 }
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 @Override
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
194 public Register getRegisterForRole(int index) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
195 throw new UnsupportedOperationException();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
196 }
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 @Override
22783
d63506bb5237 Make CallingConvention.Type extensible; remove unused stackOnly parameter
Christian Wimmer <christian.wimmer@oracle.com>
parents: 22672
diff changeset
199 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
200 HotSpotCallingConventionType hotspotType = (HotSpotCallingConventionType) type;
22783
d63506bb5237 Make CallingConvention.Type extensible; remove unused stackOnly parameter
Christian Wimmer <christian.wimmer@oracle.com>
parents: 22672
diff changeset
201 if (type == HotSpotCallingConventionType.NativeCall) {
22784
0ab4d816a7f0 Always check the type of CallingConvention.Type
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22783
diff changeset
202 return callingConvention(nativeGeneralParameterRegisters, returnType, parameterTypes, hotspotType, target);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
203 }
9717
f8e0bf2c70e2 consolidated the two RegisterConfig instances for HotSpotRuntime into one
Doug Simon <doug.simon@oracle.com>
parents: 9693
diff changeset
204 // 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
205 // 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
206 return callingConvention(javaGeneralParameterRegisters, returnType, parameterTypes, hotspotType, target);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
207 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
208
22784
0ab4d816a7f0 Always check the type of CallingConvention.Type
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22783
diff changeset
209 @Override
22536
dc1aeef79e7e Refactoring: Rename Kind to JavaKind.
Roland Schatz <roland.schatz@oracle.com>
parents: 22535
diff changeset
210 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
211 HotSpotCallingConventionType hotspotType = (HotSpotCallingConventionType) type;
22533
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
212 switch (kind) {
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
213 case Boolean:
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
214 case Byte:
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
215 case Short:
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
216 case Char:
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
217 case Int:
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
218 case Long:
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
219 case Object:
22784
0ab4d816a7f0 Always check the type of CallingConvention.Type
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22783
diff changeset
220 return hotspotType == HotSpotCallingConventionType.NativeCall ? nativeGeneralParameterRegisters : javaGeneralParameterRegisters;
22533
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
221 case Float:
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
222 case Double:
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
223 return xmmParameterRegisters;
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
224 default:
23387
a920338dd4d4 remove JVMCIError and UnsafeUtil classes (JDK-8156759)
Doug Simon <doug.simon@oracle.com>
parents: 22786
diff changeset
225 throw new InternalError("should not reach here");
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
226 }
22533
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
227 }
df053711614b Remove Value.getKind().
Roland Schatz <roland.schatz@oracle.com>
parents: 22431
diff changeset
228
22783
d63506bb5237 Make CallingConvention.Type extensible; remove unused stackOnly parameter
Christian Wimmer <christian.wimmer@oracle.com>
parents: 22672
diff changeset
229 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
230 AllocatableValue[] locations = new AllocatableValue[parameterTypes.length];
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
231
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
232 int currentGeneral = 0;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
233 int currentXMM = 0;
22783
d63506bb5237 Make CallingConvention.Type extensible; remove unused stackOnly parameter
Christian Wimmer <christian.wimmer@oracle.com>
parents: 22672
diff changeset
234 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
235
7300
2912b72d840a More complete and reusable Word type
Christian Wimmer <christian.wimmer@oracle.com>
parents: 7098
diff changeset
236 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
237 final JavaKind kind = parameterTypes[i].getJavaKind().getStackKind();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
238
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
239 switch (kind) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
240 case Byte:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
241 case Boolean:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
242 case Short:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
243 case Char:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
244 case Int:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
245 case Long:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
246 case Object:
22783
d63506bb5237 Make CallingConvention.Type extensible; remove unused stackOnly parameter
Christian Wimmer <christian.wimmer@oracle.com>
parents: 22672
diff changeset
247 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
248 Register register = generalParameterRegisters[currentGeneral++];
22535
ca418f35d728 Use wordKind instead of Kind.Object in backend.
Roland Schatz <roland.schatz@oracle.com>
parents: 22533
diff changeset
249 locations[i] = register.asValue(target.getLIRKind(kind));
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
250 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
251 break;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
252 case Float:
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
253 case Double:
22783
d63506bb5237 Make CallingConvention.Type extensible; remove unused stackOnly parameter
Christian Wimmer <christian.wimmer@oracle.com>
parents: 22672
diff changeset
254 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
255 Register register = xmmParameterRegisters[currentXMM++];
22535
ca418f35d728 Use wordKind instead of Kind.Object in backend.
Roland Schatz <roland.schatz@oracle.com>
parents: 22533
diff changeset
256 locations[i] = register.asValue(target.getLIRKind(kind));
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257 }
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258 break;
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259 default:
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260 throw new InternalError("should not reach here");
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261 }
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262
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263 if (locations[i] == null) {
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ca418f35d728 Use wordKind instead of Kind.Object in backend.
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264 LIRKind lirKind = target.getLIRKind(kind);
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265 locations[i] = StackSlot.get(lirKind, currentStackOffset, !type.out);
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355c41327aea Remove TargetDescription.getSizeInBytes method.
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266 currentStackOffset += Math.max(lirKind.getPlatformKind().getSizeInBytes(), target.wordSize);
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267 }
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268 }
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269
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270 JavaKind returnKind = returnType == null ? JavaKind.Void : returnType.getJavaKind();
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271 AllocatableValue returnLocation = returnKind == JavaKind.Void ? Value.ILLEGAL : getReturnRegister(returnKind).asValue(target.getLIRKind(returnKind.getStackKind()));
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272 return new CallingConvention(currentStackOffset, returnLocation, locations);
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273 }
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274
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275 @Override
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276 public Register getReturnRegister(JavaKind kind) {
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277 switch (kind) {
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278 case Boolean:
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279 case Byte:
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280 case Char:
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281 case Short:
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282 case Int:
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283 case Long:
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284 case Object:
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285 return rax;
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286 case Float:
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287 case Double:
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288 return xmm0;
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289 case Void:
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290 case Illegal:
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291 return null;
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292 default:
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293 throw new UnsupportedOperationException("no return register for type " + kind);
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294 }
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295 }
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296
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297 @Override
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
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298 public Register getFrameRegister() {
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299 return rsp;
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300 }
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301
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302 @Override
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303 public String toString() {
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304 return String.format("Allocatable: " + Arrays.toString(getAllocatableRegisters()) + "%n" + "CallerSave: " + Arrays.toString(getCallerSaveRegisters()) + "%n");
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305 }
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306 }