Mercurial > hg > graal-compiler

annotate graal/com.oracle.jvmci.code/src/com/oracle/jvmci/code/Register.java @ 21556:48c1ebd24120

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Wed, 27 May 2015 00:36:16 +0200
parents graal/com.oracle.graal.api.code/src/com/oracle/graal/api/code/Register.java@edb88f5425e6
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1 /*
16094
c0b8d395368b Introduce LIRKind to accurately track oop references in backend.
Roland Schatz <roland.schatz@oracle.com>
parents: 16093
diff changeset
2 * Copyright (c) 2009, 2014, Oracle and/or its affiliates. All rights reserved.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
4 *
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
7 * published by the Free Software Foundation.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
8 *
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
13 * accompanied this code).
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
14 *
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
18 *
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
21 * questions.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
22 */
21556
48c1ebd24120 renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 18253
diff changeset
23 package com.oracle.jvmci.code;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
24
21556
48c1ebd24120 renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 18253
diff changeset
25 import com.oracle.jvmci.meta.*;
5504
452f91ebdb54 Moved RiKind to cri.ri package.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5503
diff changeset
26
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
27 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
28 * Represents a target machine register.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
29 */
14157
8c4a3d9308a7 fixed FindBugs bugs
twisti
parents: 9787
diff changeset
30 public final class Register implements Comparable<Register> {
4142
bc8527f3071c Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 3733
diff changeset
31
9425
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9422
diff changeset
32 public static final RegisterCategory SPECIAL = new RegisterCategory("SPECIAL");
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9422
diff changeset
33
4142
bc8527f3071c Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 3733
diff changeset
34 /**
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
35 * Invalid register.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
36 */
9426
0f8683ac4009 Use register categories to determine spill slot size.
Roland Schatz <roland.schatz@oracle.com>
parents: 9425
diff changeset
37 public static final Register None = new Register(-1, -1, "noreg", SPECIAL);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
38
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
39 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6328
diff changeset
40 * Frame pointer of the current method. All spill slots and outgoing stack-based arguments are
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6328
diff changeset
41 * addressed relative to this register.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
42 */
9426
0f8683ac4009 Use register categories to determine spill slot size.
Roland Schatz <roland.schatz@oracle.com>
parents: 9425
diff changeset
43 public static final Register Frame = new Register(-2, -2, "framereg", SPECIAL);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
44
9426
0f8683ac4009 Use register categories to determine spill slot size.
Roland Schatz <roland.schatz@oracle.com>
parents: 9425
diff changeset
45 public static final Register CallerFrame = new Register(-3, -3, "callerframereg", SPECIAL);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
46
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
47 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6328
diff changeset
48 * The identifier for this register that is unique across all the registers in a
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6328
diff changeset
49 * {@link Architecture}. A valid register has {@code number > 0}.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
50 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
51 public final int number;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
52
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
53 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
54 * The mnemonic of this register.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
55 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
56 public final String name;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
57
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
58 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6328
diff changeset
59 * The actual encoding in a target machine instruction for this register, which may or may not
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6328
diff changeset
60 * be the same as {@link #number}.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
61 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
62 public final int encoding;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
63
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
64 /**
7804
447f9ba1962b Experimental PTX backend. Contribution by Christian Thalinger.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7530
diff changeset
65 * The assembler calls this method to get the register's encoding.
447f9ba1962b Experimental PTX backend. Contribution by Christian Thalinger.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7530
diff changeset
66 */
7805
0e58445d54df Integration fixes.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7804
diff changeset
67 public int encoding() {
7804
447f9ba1962b Experimental PTX backend. Contribution by Christian Thalinger.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7530
diff changeset
68 return encoding;
447f9ba1962b Experimental PTX backend. Contribution by Christian Thalinger.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7530
diff changeset
69 }
447f9ba1962b Experimental PTX backend. Contribution by Christian Thalinger.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7530
diff changeset
70
447f9ba1962b Experimental PTX backend. Contribution by Christian Thalinger.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7530
diff changeset
71 /**
9425
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9422
diff changeset
72 * A platform specific register category that describes which values can be stored in a
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9422
diff changeset
73 * register.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
74 */
9425
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9422
diff changeset
75 private final RegisterCategory registerCategory;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
76
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
77 /**
9425
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9422
diff changeset
78 * A platform specific register type that describes which values can be stored in a register.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
79 */
9425
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9422
diff changeset
80 public static class RegisterCategory {
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9422
diff changeset
81
16093
39be5bc00046 Support XMM registers in oop maps.
Roland Schatz <roland.schatz@oracle.com>
parents: 14157
diff changeset
82 private final String name;
39be5bc00046 Support XMM registers in oop maps.
Roland Schatz <roland.schatz@oracle.com>
parents: 14157
diff changeset
83
39be5bc00046 Support XMM registers in oop maps.
Roland Schatz <roland.schatz@oracle.com>
parents: 14157
diff changeset
84 private final int referenceMapOffset;
39be5bc00046 Support XMM registers in oop maps.
Roland Schatz <roland.schatz@oracle.com>
parents: 14157
diff changeset
85 private final int referenceMapShift;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
86
9425
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9422
diff changeset
87 public RegisterCategory(String name) {
16093
39be5bc00046 Support XMM registers in oop maps.
Roland Schatz <roland.schatz@oracle.com>
parents: 14157
diff changeset
88 this(name, 0, 0);
39be5bc00046 Support XMM registers in oop maps.
Roland Schatz <roland.schatz@oracle.com>
parents: 14157
diff changeset
89 }
39be5bc00046 Support XMM registers in oop maps.
Roland Schatz <roland.schatz@oracle.com>
parents: 14157
diff changeset
90
39be5bc00046 Support XMM registers in oop maps.
Roland Schatz <roland.schatz@oracle.com>
parents: 14157
diff changeset
91 public RegisterCategory(String name, int referenceMapOffset) {
39be5bc00046 Support XMM registers in oop maps.
Roland Schatz <roland.schatz@oracle.com>
parents: 14157
diff changeset
92 this(name, referenceMapOffset, 0);
39be5bc00046 Support XMM registers in oop maps.
Roland Schatz <roland.schatz@oracle.com>
parents: 14157
diff changeset
93 }
39be5bc00046 Support XMM registers in oop maps.
Roland Schatz <roland.schatz@oracle.com>
parents: 14157
diff changeset
94
39be5bc00046 Support XMM registers in oop maps.
Roland Schatz <roland.schatz@oracle.com>
parents: 14157
diff changeset
95 public RegisterCategory(String name, int referenceMapOffset, int referenceMapShift) {
9425
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9422
diff changeset
96 this.name = name;
16093
39be5bc00046 Support XMM registers in oop maps.
Roland Schatz <roland.schatz@oracle.com>
parents: 14157
diff changeset
97 this.referenceMapOffset = referenceMapOffset;
39be5bc00046 Support XMM registers in oop maps.
Roland Schatz <roland.schatz@oracle.com>
parents: 14157
diff changeset
98 this.referenceMapShift = referenceMapShift;
9425
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9422
diff changeset
99 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
100
9425
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9422
diff changeset
101 @Override
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9422
diff changeset
102 public String toString() {
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9422
diff changeset
103 return name;
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9422
diff changeset
104 }
9631
3c9aeef2702c Value: provide proper `hashCode()' and `equals()' implementations
Bernhard Urban <bernhard.urban@jku.at>
parents: 9509
diff changeset
105
3c9aeef2702c Value: provide proper `hashCode()' and `equals()' implementations
Bernhard Urban <bernhard.urban@jku.at>
parents: 9509
diff changeset
106 @Override
3c9aeef2702c Value: provide proper `hashCode()' and `equals()' implementations
Bernhard Urban <bernhard.urban@jku.at>
parents: 9509
diff changeset
107 public int hashCode() {
9640
65d7696fb58a Value: tidy up generated `hashCode()' and `equals()' methods a bit
Bernhard Urban <bernhard.urban@jku.at>
parents: 9631
diff changeset
108 return 23 + name.hashCode();
9631
3c9aeef2702c Value: provide proper `hashCode()' and `equals()' implementations
Bernhard Urban <bernhard.urban@jku.at>
parents: 9509
diff changeset
109 }
3c9aeef2702c Value: provide proper `hashCode()' and `equals()' implementations
Bernhard Urban <bernhard.urban@jku.at>
parents: 9509
diff changeset
110
3c9aeef2702c Value: provide proper `hashCode()' and `equals()' implementations
Bernhard Urban <bernhard.urban@jku.at>
parents: 9509
diff changeset
111 @Override
3c9aeef2702c Value: provide proper `hashCode()' and `equals()' implementations
Bernhard Urban <bernhard.urban@jku.at>
parents: 9509
diff changeset
112 public boolean equals(Object obj) {
9640
65d7696fb58a Value: tidy up generated `hashCode()' and `equals()' methods a bit
Bernhard Urban <bernhard.urban@jku.at>
parents: 9631
diff changeset
113 if (obj instanceof RegisterCategory) {
18253
edb88f5425e6 switch to using use .equals() instead of == when comparing RegisterCaterory objects for equality
Doug Simon <doug.simon@oracle.com>
parents: 16114
diff changeset
114 RegisterCategory that = (RegisterCategory) obj;
edb88f5425e6 switch to using use .equals() instead of == when comparing RegisterCaterory objects for equality
Doug Simon <doug.simon@oracle.com>
parents: 16114
diff changeset
115 return this.referenceMapOffset == that.referenceMapOffset && this.referenceMapShift == that.referenceMapShift && this.name.equals(that.name);
9631
3c9aeef2702c Value: provide proper `hashCode()' and `equals()' implementations
Bernhard Urban <bernhard.urban@jku.at>
parents: 9509
diff changeset
116 }
9640
65d7696fb58a Value: tidy up generated `hashCode()' and `equals()' methods a bit
Bernhard Urban <bernhard.urban@jku.at>
parents: 9631
diff changeset
117 return false;
9631
3c9aeef2702c Value: provide proper `hashCode()' and `equals()' implementations
Bernhard Urban <bernhard.urban@jku.at>
parents: 9509
diff changeset
118 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
119 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
120
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
121 /**
5774
a1db0ea58b53 Removed left over Ci* prefixed identifiers
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
122 * Creates a {@link Register} instance.
16093
39be5bc00046 Support XMM registers in oop maps.
Roland Schatz <roland.schatz@oracle.com>
parents: 14157
diff changeset
123 *
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
124 * @param number unique identifier for the register
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
125 * @param encoding the target machine encoding for the register
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
126 * @param name the mnemonic name for the register
9425
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9422
diff changeset
127 * @param registerCategory the register category
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
128 */
9426
0f8683ac4009 Use register categories to determine spill slot size.
Roland Schatz <roland.schatz@oracle.com>
parents: 9425
diff changeset
129 public Register(int number, int encoding, String name, RegisterCategory registerCategory) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
130 this.number = number;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
131 this.name = name;
9425
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9422
diff changeset
132 this.registerCategory = registerCategory;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
133 this.encoding = encoding;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
134 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
135
9425
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9422
diff changeset
136 public RegisterCategory getRegisterCategory() {
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9422
diff changeset
137 return registerCategory;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
138 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
139
16114
a0d1dfc113b8 Better documentation for HotSpotReferenceMap.
Roland Schatz <roland.schatz@oracle.com>
parents: 16094
diff changeset
140 /**
a0d1dfc113b8 Better documentation for HotSpotReferenceMap.
Roland Schatz <roland.schatz@oracle.com>
parents: 16094
diff changeset
141 * Get the start index of this register in the {@link ReferenceMap}.
a0d1dfc113b8 Better documentation for HotSpotReferenceMap.
Roland Schatz <roland.schatz@oracle.com>
parents: 16094
diff changeset
142 */
16093
39be5bc00046 Support XMM registers in oop maps.
Roland Schatz <roland.schatz@oracle.com>
parents: 14157
diff changeset
143 public int getReferenceMapIndex() {
39be5bc00046 Support XMM registers in oop maps.
Roland Schatz <roland.schatz@oracle.com>
parents: 14157
diff changeset
144 return (encoding << registerCategory.referenceMapShift) + registerCategory.referenceMapOffset;
39be5bc00046 Support XMM registers in oop maps.
Roland Schatz <roland.schatz@oracle.com>
parents: 14157
diff changeset
145 }
39be5bc00046 Support XMM registers in oop maps.
Roland Schatz <roland.schatz@oracle.com>
parents: 14157
diff changeset
146
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
147 /**
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
148 * Gets this register as a {@linkplain RegisterValue value} with a specified kind.
16093
39be5bc00046 Support XMM registers in oop maps.
Roland Schatz <roland.schatz@oracle.com>
parents: 14157
diff changeset
149 *
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
150 * @param kind the specified kind
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
151 * @return the {@link RegisterValue}
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
152 */
16094
c0b8d395368b Introduce LIRKind to accurately track oop references in backend.
Roland Schatz <roland.schatz@oracle.com>
parents: 16093
diff changeset
153 public RegisterValue asValue(LIRKind kind) {
9509
688219709f7b Remove StackSlot and RegisterValue cache.
Roland Schatz <roland.schatz@oracle.com>
parents: 9426
diff changeset
154 return new RegisterValue(kind, this);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
155 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
156
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
157 /**
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
158 * Gets this register as a {@linkplain RegisterValue value} with no particular kind.
16093
39be5bc00046 Support XMM registers in oop maps.
Roland Schatz <roland.schatz@oracle.com>
parents: 14157
diff changeset
159 *
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
160 * @return a {@link RegisterValue} with {@link Kind#Illegal} kind.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
161 */
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
162 public RegisterValue asValue() {
16094
c0b8d395368b Introduce LIRKind to accurately track oop references in backend.
Roland Schatz <roland.schatz@oracle.com>
parents: 16093
diff changeset
163 return asValue(LIRKind.Illegal);
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
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
166 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
167 * Determines if this is a valid register.
16093
39be5bc00046 Support XMM registers in oop maps.
Roland Schatz <roland.schatz@oracle.com>
parents: 14157
diff changeset
168 *
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
169 * @return {@code true} iff this register is valid
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
170 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
171 public boolean isValid() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
172 return number >= 0;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
173 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
174
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
175 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
176 * Gets the maximum register {@linkplain #number number} in a given set of registers.
16093
39be5bc00046 Support XMM registers in oop maps.
Roland Schatz <roland.schatz@oracle.com>
parents: 14157
diff changeset
177 *
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
178 * @param registers the set of registers to process
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
179 * @return the maximum register number for any register in {@code registers}
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
180 */
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
181 public static int maxRegisterNumber(Register[] registers) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
182 int max = Integer.MIN_VALUE;
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
183 for (Register r : registers) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
184 if (r.number > max) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
185 max = r.number;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
186 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
187 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
188 return max;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
189 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
190
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
191 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
192 * Gets the maximum register {@linkplain #encoding encoding} in a given set of registers.
16093
39be5bc00046 Support XMM registers in oop maps.
Roland Schatz <roland.schatz@oracle.com>
parents: 14157
diff changeset
193 *
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
194 * @param registers the set of registers to process
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
195 * @return the maximum register encoding for any register in {@code registers}
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
196 */
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
197 public static int maxRegisterEncoding(Register[] registers) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
198 int max = Integer.MIN_VALUE;
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
199 for (Register r : registers) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
200 if (r.encoding > max) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
201 max = r.encoding;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
202 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
203 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
204 return max;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
205 }
e233f5660da4 Added Java files from Maxine project.
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 @Override
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
208 public String toString() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
209 return name;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
210 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
211
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
212 @Override
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
213 public int compareTo(Register o) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
214 if (number < o.number) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
215 return -1;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
216 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
217 if (number > o.number) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
218 return 1;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
219 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
220 return 0;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
221 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
222
9631
3c9aeef2702c Value: provide proper `hashCode()' and `equals()' implementations
Bernhard Urban <bernhard.urban@jku.at>
parents: 9509
diff changeset
223 @Override
3c9aeef2702c Value: provide proper `hashCode()' and `equals()' implementations
Bernhard Urban <bernhard.urban@jku.at>
parents: 9509
diff changeset
224 public int hashCode() {
9666
a886c764ea59 Value: simplify some `equals' and `hashcode' implementations even more
Bernhard Urban <bernhard.urban@jku.at>
parents: 9640
diff changeset
225 return 17 + name.hashCode();
9631
3c9aeef2702c Value: provide proper `hashCode()' and `equals()' implementations
Bernhard Urban <bernhard.urban@jku.at>
parents: 9509
diff changeset
226 }
3c9aeef2702c Value: provide proper `hashCode()' and `equals()' implementations
Bernhard Urban <bernhard.urban@jku.at>
parents: 9509
diff changeset
227
3c9aeef2702c Value: provide proper `hashCode()' and `equals()' implementations
Bernhard Urban <bernhard.urban@jku.at>
parents: 9509
diff changeset
228 @Override
3c9aeef2702c Value: provide proper `hashCode()' and `equals()' implementations
Bernhard Urban <bernhard.urban@jku.at>
parents: 9509
diff changeset
229 public boolean equals(Object obj) {
9640
65d7696fb58a Value: tidy up generated `hashCode()' and `equals()' methods a bit
Bernhard Urban <bernhard.urban@jku.at>
parents: 9631
diff changeset
230 if (obj instanceof Register) {
65d7696fb58a Value: tidy up generated `hashCode()' and `equals()' methods a bit
Bernhard Urban <bernhard.urban@jku.at>
parents: 9631
diff changeset
231 Register other = (Register) obj;
9787
3207fae2e2f6 Value: do equals test of `name' as assertion
Bernhard Urban <bernhard.urban@jku.at>
parents: 9666
diff changeset
232 if (number == other.number) {
3207fae2e2f6 Value: do equals test of `name' as assertion
Bernhard Urban <bernhard.urban@jku.at>
parents: 9666
diff changeset
233 assert name.equals(other.name);
9666
a886c764ea59 Value: simplify some `equals' and `hashcode' implementations even more
Bernhard Urban <bernhard.urban@jku.at>
parents: 9640
diff changeset
234 assert encoding == other.encoding;
18253
edb88f5425e6 switch to using use .equals() instead of == when comparing RegisterCaterory objects for equality
Doug Simon <doug.simon@oracle.com>
parents: 16114
diff changeset
235 assert registerCategory.equals(other.registerCategory);
9666
a886c764ea59 Value: simplify some `equals' and `hashcode' implementations even more
Bernhard Urban <bernhard.urban@jku.at>
parents: 9640
diff changeset
236 return true;
a886c764ea59 Value: simplify some `equals' and `hashcode' implementations even more
Bernhard Urban <bernhard.urban@jku.at>
parents: 9640
diff changeset
237 }
9631
3c9aeef2702c Value: provide proper `hashCode()' and `equals()' implementations
Bernhard Urban <bernhard.urban@jku.at>
parents: 9509
diff changeset
238 }
9640
65d7696fb58a Value: tidy up generated `hashCode()' and `equals()' methods a bit
Bernhard Urban <bernhard.urban@jku.at>
parents: 9631
diff changeset
239 return false;
9631
3c9aeef2702c Value: provide proper `hashCode()' and `equals()' implementations
Bernhard Urban <bernhard.urban@jku.at>
parents: 9509
diff changeset
240 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
241 }