Mercurial > hg > truffle

annotate graal/com.oracle.max.cri/src/com/oracle/max/cri/ci/CiAddress.java @ 5503:438ab53efdd0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Renaming CiKind => RiKind.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Thu, 07 Jun 2012 17:08:33 +0200
parents 9ce8594bedaf
children 452f91ebdb54
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 /*
4182
de7b3e7ae528 Simplify CiValue
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4169
diff changeset
2 * Copyright (c) 2010, 2012, 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 */
4199
aaac4894175c Renamed cri packages from sun to oracle.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 4183
diff changeset
23 package com.oracle.max.cri.ci;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
24
4199
aaac4894175c Renamed cri packages from sun to oracle.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 4183
diff changeset
25 import static com.oracle.max.cri.ci.CiValueUtil.*;
4183
9e0c1b4cfef5 Move all isXxx and asXxx out of CiValue and into their own util class.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4182
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 an address in target machine memory, specified via some combination of a base register, an index register,
4314
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
29 * a displacement and a scale. Note that the base and index registers may be a variable that will get a register assigned
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
30 * later by the register allocator.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
31 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
32 public final class CiAddress extends CiValue {
4142
bc8527f3071c Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 3733
diff changeset
33 private static final long serialVersionUID = -1003772042519945089L;
bc8527f3071c Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 3733
diff changeset
34
bc8527f3071c Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 3733
diff changeset
35 /**
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
36 * A sentinel value used as a place holder in an instruction stream for an address that will be patched.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
37 */
5503
438ab53efdd0 Renaming CiKind => RiKind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 4314
diff changeset
38 public static final CiAddress Placeholder = new CiAddress(RiKind.Illegal, CiValue.IllegalValue);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
39
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
40 /**
4314
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
41 * Base register that defines the start of the address computation.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
42 * If not present, is denoted by {@link CiValue#IllegalValue}.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
43 */
4314
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
44 public CiValue base;
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
45
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
46 /**
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
47 * Index register, the value of which (possibly scaled by {@link #scale}) is added to {@link #base}.
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
48 * If not present, is denoted by {@link CiValue#IllegalValue}.
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
49 */
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
50 public CiValue index;
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
51
3733
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 * Scaling factor for indexing, dependent on target operand size.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
54 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
55 public final Scale scale;
4314
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
56
3733
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 * Optional additive displacement.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
59 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
60 public final int displacement;
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 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
63 * Creates a {@code CiAddress} with given base register, no scaling and no displacement.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
64 * @param kind the kind of the value being addressed
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
65 * @param base the base register
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
66 */
5503
438ab53efdd0 Renaming CiKind => RiKind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 4314
diff changeset
67 public CiAddress(RiKind kind, CiValue base) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
68 this(kind, base, IllegalValue, Scale.Times1, 0);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
69 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
70
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
71 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
72 * Creates a {@code CiAddress} with given base register, no scaling and a given displacement.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
73 * @param kind the kind of the value being addressed
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
74 * @param base the base register
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
75 * @param displacement the displacement
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
76 */
5503
438ab53efdd0 Renaming CiKind => RiKind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 4314
diff changeset
77 public CiAddress(RiKind kind, CiValue base, int displacement) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
78 this(kind, base, IllegalValue, Scale.Times1, displacement);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
79 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
80
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
81 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
82 * Creates a {@code CiAddress} with given base and index registers, scaling and displacement.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
83 * This is the most general constructor..
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
84 * @param kind the kind of the value being addressed
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
85 * @param base the base register
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
86 * @param index the index register
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
87 * @param scale the scaling factor
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
88 * @param displacement the displacement
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
89 */
5503
438ab53efdd0 Renaming CiKind => RiKind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 4314
diff changeset
90 public CiAddress(RiKind kind, CiValue base, CiValue index, Scale scale, int displacement) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
91 super(kind);
4314
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
92 this.base = base;
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
93 this.index = index;
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
94 this.scale = scale;
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
95 this.displacement = displacement;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
96
4314
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
97 assert !isConstant(base) && !isStackSlot(base);
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
98 assert !isConstant(index) && !isStackSlot(index);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
99 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
100
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
101 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
102 * A scaling factor used in complex addressing modes such as those supported by x86 platforms.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
103 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
104 public enum Scale {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
105 Times1(1, 0),
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
106 Times2(2, 1),
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
107 Times4(4, 2),
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
108 Times8(8, 3);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
109
4314
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
110 private Scale(int value, int log2) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
111 this.value = value;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
112 this.log2 = log2;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
113 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
114
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
115 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
116 * The value (or multiplier) of this scale.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
117 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
118 public final int value;
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 * The {@linkplain #value value} of this scale log 2.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
122 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
123 public final int log2;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
124
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
125 public static Scale fromInt(int scale) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
126 switch (scale) {
4314
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
127 case 1: return Times1;
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
128 case 2: return Times2;
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
129 case 4: return Times4;
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
130 case 8: return Times8;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
131 default: throw new IllegalArgumentException(String.valueOf(scale));
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
132 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
133 }
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
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
136 @Override
4169
f5328dda9714 Initial commit of SSA-based spill-all register assignment
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4142
diff changeset
137 public String toString() {
4314
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
138 if (this == Placeholder) {
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
139 return "[<placeholder>]";
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
140 }
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
141
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
142 StringBuilder s = new StringBuilder();
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
143 s.append(kind.javaName).append("[");
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
144 String sep = "";
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
145 if (isLegal(base)) {
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
146 s.append(base);
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
147 sep = " + ";
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
148 }
4314
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
149 if (isLegal(index)) {
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
150 s.append(sep).append(index).append(" * ").append(scale.value);
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
151 sep = " + ";
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
152 }
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
153 if (displacement < 0) {
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
154 s.append(" - ").append(-displacement);
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
155 } else if (displacement > 0) {
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
156 s.append(sep).append(displacement);
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
157 }
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
158 s.append("]");
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
159 return s.toString();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
160 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
161
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
162 @Override
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
163 public boolean equals(Object obj) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
164 if (obj instanceof CiAddress) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
165 CiAddress addr = (CiAddress) obj;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
166 return kind == addr.kind && displacement == addr.displacement && base.equals(addr.base) && scale == addr.scale && index.equals(addr.index);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
167 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
168 return false;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
169 }
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 @Override
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
172 public int hashCode() {
4314
9ce8594bedaf Allow CiAddress as Input and Alive operands of LIR instructions.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4206
diff changeset
173 return base.hashCode() ^ index.hashCode() ^ (displacement << 4) ^ (scale.value << 8) ^ (kind.ordinal() << 12);
3733
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 }