Mercurial > hg > graal-compiler

annotate graal/GraalCompiler/src/com/sun/c1x/value/FrameState.java @ 2630:c93adece95d2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Small clean up.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Tue, 10 May 2011 16:47:49 +0200
parents dd115f80acf8
children 8c02ca1e9eb1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
1 /*
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
2 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
4 *
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
7 * published by the Free Software Foundation.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
8 *
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
13 * accompanied this code).
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
14 *
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
18 *
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
21 * questions.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
22 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
23 package com.sun.c1x.value;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
24
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
25 import java.util.*;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
26
2603
01c5c0443158 new node layout: Phi
Lukas Stadler <lukas.stadler@jku.at>
parents: 2582
diff changeset
27 import com.oracle.graal.graph.*;
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
28 import com.sun.c1x.*;
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
29 import com.sun.c1x.debug.*;
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
30 import com.sun.c1x.ir.*;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
31 import com.sun.cri.ci.*;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
32
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
33 import static com.sun.c1x.value.ValueUtil.*;
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
34
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
35 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
36 * The {@code FrameState} class encapsulates the frame state (i.e. local variables and
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
37 * operand stack) at a particular point in the abstract interpretation.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
38 */
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
39 public class FrameState extends Value implements FrameStateAccess {
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
40
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
41 protected final int localsSize;
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
42
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
43 protected final int stackSize;
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
44
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
45 protected final int locksSize;
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
46
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
47 private static final int SUCCESSOR_COUNT = 0;
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
48
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
49 @Override
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
50 protected int inputCount() {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
51 return super.inputCount() + localsSize + stackSize + locksSize;
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
52 }
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
53
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
54 @Override
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
55 protected int successorCount() {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
56 return super.successorCount() + SUCCESSOR_COUNT;
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
57 }
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
58
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
59 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
60 * The bytecode index to which this frame state applies. This will be {@code -1}
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
61 * iff this state is mutable.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
62 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
63 public final int bci;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
64
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
65 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
66 * Creates a {@code FrameState} for the given scope and maximum number of stack and local variables.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
67 *
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
68 * @param bci the bytecode index of the frame state
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
69 * @param localsSize number of locals
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
70 * @param stackSize size of the stack
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
71 * @param lockSize number of locks
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
72 */
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
73 public FrameState(int bci, int localsSize, int stackSize, int locksSize, Graph graph) {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
74 super(CiKind.Illegal, localsSize + stackSize + locksSize, SUCCESSOR_COUNT, graph);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
75 this.bci = bci;
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
76 this.localsSize = localsSize;
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
77 this.stackSize = stackSize;
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
78 this.locksSize = locksSize;
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
79 C1XMetrics.FrameStatesCreated++;
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
80 C1XMetrics.FrameStateValuesCreated += localsSize + stackSize + locksSize;
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
81 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
82
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
83 FrameState(int bci, Value[] locals, Value[] stack, int stackSize, ArrayList<Value> locks, Graph graph) {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
84 this(bci, locals.length, stackSize, locks.size(), graph);
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
85 for (int i = 0; i < locals.length; i++) {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
86 inputs().set(i, locals[i]);
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
87 }
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
88 for (int i = 0; i < stackSize; i++) {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
89 inputs().set(i + localsSize, stack[i]);
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
90 }
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
91 for (int i = 0; i < locks.size(); i++) {
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
92 inputs().set(locals.length + stackSize + i, locks.get(i));
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
93 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
94 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
95
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
96 /**
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
97 * Gets a copy of this frame state.
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
98 */
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
99 public FrameState duplicate() {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
100 FrameState other = copy();
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
101 other.inputs().setAll(inputs());
2610
39aa89baa165 cleanup: FrameState copy methods, ImmutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2603
diff changeset
102 return other;
39aa89baa165 cleanup: FrameState copy methods, ImmutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2603
diff changeset
103 }
39aa89baa165 cleanup: FrameState copy methods, ImmutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2603
diff changeset
104
39aa89baa165 cleanup: FrameState copy methods, ImmutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2603
diff changeset
105 /**
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
106 * Gets a copy of this frame state without the stack.
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
107 */
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
108 public FrameState duplicateWithEmptyStack() {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
109 FrameState other = new FrameState(bci, localsSize, 0, locksSize(), graph());
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
110 for (int i = 0; i < localsSize; i++) {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
111 other.inputs().set(i, localAt(i));
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
112 }
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
113 for (int i = 0; i < locksSize; i++) {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
114 other.inputs().set(localsSize + i, lockAt(i));
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
115 }
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
116 return other;
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
117 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
118
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
119 public boolean isCompatibleWith(FrameStateAccess other) {
2581
4a36a0bd6d18 added GraalGraph to classpath, Node as superclass of Value
Lukas Stadler <lukas.stadler@jku.at>
parents: 2570
diff changeset
120 if (stackSize() != other.stackSize() || localsSize() != other.localsSize() || locksSize() != other.locksSize()) {
4a36a0bd6d18 added GraalGraph to classpath, Node as superclass of Value
Lukas Stadler <lukas.stadler@jku.at>
parents: 2570
diff changeset
121 return false;
4a36a0bd6d18 added GraalGraph to classpath, Node as superclass of Value
Lukas Stadler <lukas.stadler@jku.at>
parents: 2570
diff changeset
122 }
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
123 for (int i = 0; i < stackSize(); i++) {
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
124 Value x = stackAt(i);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
125 Value y = other.stackAt(i);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
126 if (x != y && typeMismatch(x, y)) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
127 return false;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
128 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
129 }
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
130 for (int i = 0; i < locksSize(); i++) {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
131 if (lockAt(i) != other.lockAt(i)) {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
132 return false;
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
133 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
134 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
135 return true;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
136 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
137
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
138 /**
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
139 * Gets the size of the local variables.
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
140 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
141 public int localsSize() {
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
142 return localsSize;
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
143 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
144
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
145 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
146 * Gets the current size (height) of the stack.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
147 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
148 public int stackSize() {
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
149 return stackSize;
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
150 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
151
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
152 /**
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
153 * Gets number of locks held by this frame state.
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
154 */
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
155 public int locksSize() {
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
156 return locksSize;
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
157 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
158
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
159 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
160 * Invalidates the local variable at the specified index. If the specified index refers to a doubleword local, then
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
161 * invalidates the high word as well.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
162 *
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
163 * @param i the index of the local to invalidate
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
164 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
165 public void invalidateLocal(int i) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
166 // note that for double word locals, the high slot should already be null
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
167 // unless the local is actually dead and the high slot is being reused;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
168 // in either case, it is not necessary to null the high slot
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
169 inputs().set(i, null);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
170 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
171
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
172 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
173 * Stores a given local variable at the specified index. If the value is a {@linkplain CiKind#isDoubleWord() double word},
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
174 * then the next local variable index is also overwritten.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
175 *
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
176 * @param i the index at which to store
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
177 * @param x the instruction which produces the value for the local
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
178 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
179 public void storeLocal(int i, Value x) {
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
180 assert i < localsSize : "local variable index out of range: " + i;
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
181 invalidateLocal(i);
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
182 inputs().set(i, x);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
183 if (isDoubleWord(x)) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
184 // (tw) if this was a double word then kill i+1
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
185 inputs().set(i + 1, null);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
186 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
187 if (i > 0) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
188 // if there was a double word at i - 1, then kill it
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
189 Value p = localAt(i - 1);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
190 if (isDoubleWord(p)) {
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
191 inputs().set(i - 1, null);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
192 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
193 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
194 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
195
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
196 /**
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
197 * Gets the value in the local variables at the specified index.
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
198 *
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
199 * @param i the index into the locals
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
200 * @return the instruction that produced the value for the specified local
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
201 */
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
202 public final Value localAt(int i) {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
203 assert i < localsSize : "local variable index out of range: " + i;
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
204 return (Value) inputs().get(i);
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
205 }
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
206
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
207 /**
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
208 * Get the value on the stack at the specified stack index.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
209 *
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
210 * @param i the index into the stack, with {@code 0} being the bottom of the stack
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
211 * @return the instruction at the specified position in the stack
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
212 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
213 public final Value stackAt(int i) {
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
214 assert i >= 0 && i < (localsSize + stackSize);
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
215 return (Value) inputs().get(localsSize + i);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
216 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
217
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
218 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
219 * Retrieves the lock at the specified index in the lock stack.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
220 * @param i the index into the lock stack
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
221 * @return the instruction which produced the object at the specified location in the lock stack
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
222 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
223 public final Value lockAt(int i) {
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
224 assert i >= 0;
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
225 return (Value) inputs().get(localsSize + stackSize + i);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
226 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
227
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
228 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
229 * Inserts a phi statement into the stack at the specified stack index.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
230 * @param block the block begin for which we are creating the phi
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
231 * @param i the index into the stack for which to create a phi
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
232 */
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
233 public void setupPhiForStack(BlockBegin block, int i) {
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
234 Value p = stackAt(i);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
235 if (p != null) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
236 if (p instanceof Phi) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
237 Phi phi = (Phi) p;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
238 if (phi.block() == block && phi.isOnStack() && phi.stackIndex() == i) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
239 return;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
240 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
241 }
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
242 inputs().set(localsSize + i, new Phi(p.kind, block, -i - 1, graph()));
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
243 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
244 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
245
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
246 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
247 * Inserts a phi statement for the local at the specified index.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
248 * @param block the block begin for which we are creating the phi
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
249 * @param i the index of the local variable for which to create the phi
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
250 */
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
251 public void setupPhiForLocal(BlockBegin block, int i) {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
252 Value p = localAt(i);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
253 if (p instanceof Phi) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
254 Phi phi = (Phi) p;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
255 if (phi.block() == block && phi.isLocal() && phi.localIndex() == i) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
256 return;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
257 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
258 }
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
259 storeLocal(i, new Phi(p.kind, block, i, graph()));
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
260 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
261
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
262 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
263 * Gets the value at a specified index in the set of operand stack and local values represented by this frame.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
264 * This method should only be used to iterate over all the values in this frame, irrespective of whether
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
265 * they are on the stack or in local variables.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
266 * To iterate the stack slots, the {@link #stackAt(int)} and {@link #stackSize()} methods should be used.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
267 * To iterate the local variables, the {@link #localAt(int)} and {@link #localsSize()} methods should be used.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
268 *
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
269 * @param i a value in the range {@code [0 .. valuesSize()]}
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
270 * @return the value at index {@code i} which may be {@code null}
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
271 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
272 public final Value valueAt(int i) {
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
273 assert i < (localsSize + stackSize);
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
274 return (Value) inputs().get(i);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
275 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
276
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
277 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
278 * The number of operand stack slots and local variables in this frame.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
279 * This method should typically only be used in conjunction with {@link #valueAt(int)}.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
280 * To iterate the stack slots, the {@link #stackAt(int)} and {@link #stackSize()} methods should be used.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
281 * To iterate the local variables, the {@link #localAt(int)} and {@link #localsSize()} methods should be used.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
282 *
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
283 * @return the number of local variables in this frame
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
284 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
285 public final int valuesSize() {
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
286 return localsSize + stackSize;
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
287 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
288
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
289 public void checkPhis(BlockBegin block, FrameState other) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
290 checkSize(other);
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
291 for (int i = 0; i < valuesSize(); i++) {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
292 Value x = valueAt(i);
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
293 Value y = other.valueAt(i);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
294 if (x != null && x != y) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
295 if (x instanceof Phi) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
296 Phi phi = (Phi) x;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
297 if (phi.block() == block) {
2582
768d77a1c7af new node layout: Instruction
Lukas Stadler <lukas.stadler@jku.at>
parents: 2581
diff changeset
298 for (int j = 0; j < phi.phiInputCount(); j++) {
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
299 if (phi.inputIn(other) == null) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
300 throw new CiBailout("phi " + phi + " has null operand at new predecessor");
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
301 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
302 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
303 continue;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
304 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
305 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
306 throw new CiBailout("instruction is not a phi or null at " + i);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
307 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
308 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
309 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
310
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
311 private void checkSize(FrameStateAccess other) {
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
312 if (other.stackSize() != stackSize()) {
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
313 throw new CiBailout("stack sizes do not match");
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
314 } else if (other.localsSize() != localsSize) {
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
315 throw new CiBailout("local sizes do not match");
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
316 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
317 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
318
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
319 public void merge(BlockBegin block, FrameStateAccess other) {
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
320 checkSize(other);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
321 for (int i = 0; i < valuesSize(); i++) {
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
322 Value x = valueAt(i);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
323 if (x != null) {
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
324 Value y = other.valueAt(i);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
325 if (x != y) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
326 if (typeMismatch(x, y)) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
327 if (x instanceof Phi) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
328 Phi phi = (Phi) x;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
329 if (phi.block() == block) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
330 phi.makeDead();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
331 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
332 }
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
333 inputs().set(i, null);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
334 continue;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
335 }
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
336 if (i < localsSize) {
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
337 // this a local
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
338 setupPhiForLocal(block, i);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
339 } else {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
340 // this is a stack slot
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
341 setupPhiForStack(block, i - localsSize);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
342 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
343 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
344 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
345 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
346 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
347
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
348
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
349 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
350 * The interface implemented by a client of {@link FrameState#forEachPhi(BlockBegin, PhiProcedure)} and
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
351 * {@link FrameState#forEachLivePhi(BlockBegin, PhiProcedure)}.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
352 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
353 public static interface PhiProcedure {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
354 boolean doPhi(Phi phi);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
355 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
356
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
357 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
358 * Traverses all live {@linkplain Phi phis} of a given block in this frame state.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
359 *
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
360 * @param block only phis {@linkplain Phi#block() associated} with this block are traversed
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
361 * @param proc the call back invoked for each live phi traversed
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
362 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
363 public final boolean forEachLivePhi(BlockBegin block, PhiProcedure proc) {
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
364 for (int i = 0; i < valuesSize(); i++) {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
365 Value instr = valueAt(i);
2546
e1b3db8031ee Removed liveness marking.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2509
diff changeset
366 if (instr instanceof Phi && !instr.isDeadPhi()) {
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
367 Phi phi = (Phi) instr;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
368 if (block == null || phi.block() == block) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
369 if (!proc.doPhi(phi)) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
370 return false;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
371 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
372 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
373 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
374 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
375 return true;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
376 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
377
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
378 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
379 * Checks whether this frame state has any {@linkplain Phi phi} statements.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
380 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
381 public boolean hasPhis() {
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
382 for (int i = 0; i < valuesSize(); i++) {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
383 Value value = valueAt(i);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
384 if (value instanceof Phi) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
385 return true;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
386 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
387 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
388 return false;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
389 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
390
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
391 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
392 * The interface implemented by a client of {@link FrameState#forEachLiveStateValue(ValueProcedure)}.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
393 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
394 public static interface ValueProcedure {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
395 void doValue(Value value);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
396 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
397
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
398 /**
2570
46586c77b129 Cleaned some remaining references to scope/inlining
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2565
diff changeset
399 * Traverses all {@linkplain Value#isLive() live values} of this frame state.
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
400 *
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
401 * @param proc the call back called to process each live value traversed
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
402 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
403 public final void forEachLiveStateValue(ValueProcedure proc) {
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
404 for (int i = 0; i < valuesSize(); i++) {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
405 Value value = valueAt(i);
2564
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2546
diff changeset
406 if (value != null) {
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2546
diff changeset
407 proc.doValue(value);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
408 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
409 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
410 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
411
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
412 @Override
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
413 public String toString() {
2564
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2546
diff changeset
414 StringBuilder sb = new StringBuilder();
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2546
diff changeset
415 String nl = String.format("%n");
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
416 sb.append("[bci: ").append(bci).append("]").append(nl);
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
417 for (int i = 0; i < localsSize(); ++i) {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
418 Value value = localAt(i);
2564
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2546
diff changeset
419 sb.append(String.format(" local[%d] = %-8s : %s%n", i, value == null ? "bogus" : value.kind.javaName, value));
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2546
diff changeset
420 }
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
421 for (int i = 0; i < stackSize(); ++i) {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
422 Value value = stackAt(i);
2564
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2546
diff changeset
423 sb.append(String.format(" stack[%d] = %-8s : %s%n", i, value == null ? "bogus" : value.kind.javaName, value));
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2546
diff changeset
424 }
2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
425 for (int i = 0; i < locksSize(); ++i) {
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
Lukas Stadler <lukas.stadler@jku.at>
parents: 2610
diff changeset
426 Value value = lockAt(i);
2564
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2546
diff changeset
427 sb.append(String.format(" lock[%d] = %-8s : %s%n", i, value == null ? "bogus" : value.kind.javaName, value));
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2546
diff changeset
428 }
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2546
diff changeset
429 return sb.toString();
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
430 }
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
431
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
432 @Override
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
433 public BlockBegin block() {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
434 return null;
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
435 }
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
436
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
437 @Override
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
438 public void accept(ValueVisitor v) {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
439 v.visitFrameState(this);
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
440 }
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
441
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
442 @Override
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
443 public void print(LogStream out) {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
444 out.print("FrameState");
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
445 }
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
446
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
447 @Override
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
448 public FrameState copy() {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
449 return new FrameState(bci, localsSize, stackSize, locksSize, graph());
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
450 }
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
451
2621
dd115f80acf8 changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2616
diff changeset
452 @Override
dd115f80acf8 changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2616
diff changeset
453 public String shortName() {
dd115f80acf8 changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2616
diff changeset
454 return "FrameState@" + bci;
dd115f80acf8 changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2616
diff changeset
455 }
dd115f80acf8 changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2616
diff changeset
456
2630
c93adece95d2 Small clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2621
diff changeset
457 public void visitFrameState(FrameState i) {
c93adece95d2 Small clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2621
diff changeset
458 // nothing to do for now
c93adece95d2 Small clean up.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2621
diff changeset
459 }
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
460 }