1 /*
2 * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_C1_C1_VALUESET_HPP
26 #define SHARE_VM_C1_C1_VALUESET_HPP
27
28 #include "c1/c1_Instruction.hpp"
29 #include "memory/allocation.hpp"
30 #include "utilities/bitMap.inline.hpp"
31
32 // A ValueSet is a simple abstraction on top of a BitMap representing
33 // a set of Instructions. Currently it assumes that the number of
34 // instructions is fixed during its lifetime; should make it
35 // automatically resizable.
36
37 class ValueSet: public CompilationResourceObj {
38 private:
39 ResourceBitMap _map;
40
41 public:
42 ValueSet();
43
44 ValueSet* copy();
45 bool contains(Value x);
46 void put (Value x);
47 void remove (Value x);
48 bool set_intersect(ValueSet* other);
49 void set_union(ValueSet* other);
50 void clear ();
51 void set_from(ValueSet* other);
52 bool equals (ValueSet* other);
53 };
54
55 inline ValueSet::ValueSet() : _map(Instruction::number_of_instructions()) {
56 }
57
58
59 inline ValueSet* ValueSet::copy() {
60 ValueSet* res = new ValueSet();
61 res->_map.set_from(_map);
62 return res;
63 }
64
65
66 inline bool ValueSet::contains(Value x) {
67 return _map.at(x->id());
68 }
69
70
71 inline void ValueSet::put(Value x) {
72 _map.set_bit(x->id());
73 }
74
75
76 inline void ValueSet::remove(Value x) {
77 _map.clear_bit(x->id());
78 }
79
80
81 inline bool ValueSet::set_intersect(ValueSet* other) {
82 return _map.set_intersection_with_result(other->_map);
83 }
84
85
86 inline void ValueSet::set_union(ValueSet* other) {
87 _map.set_union(other->_map);
88 }
89
90
91 inline void ValueSet::clear() {
92 _map.clear();
93 }
94
95 inline void ValueSet::set_from(ValueSet* other) {
96 _map.set_from(other->_map);
97 }
98
99 inline bool ValueSet::equals(ValueSet* other) {
100 return _map.is_same(other->_map);
101 }
102
103 #endif // SHARE_VM_C1_C1_VALUESET_HPP
|
1 /*
2 * Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_C1_C1_VALUESET_HPP
26 #define SHARE_VM_C1_C1_VALUESET_HPP
27
28 #include "c1/c1_Instruction.hpp"
29 #include "memory/allocation.hpp"
30 #include "utilities/bitMap.hpp"
31
32 // A ValueSet is a simple abstraction on top of a BitMap representing
33 // a set of Instructions. Currently it assumes that the number of
34 // instructions is fixed during its lifetime; should make it
35 // automatically resizable.
36
37 class ValueSet: public CompilationResourceObj {
38 private:
39 ResourceBitMap _map;
40
41 public:
42 ValueSet();
43
44 ValueSet* copy();
45 bool contains(Value x);
46 void put (Value x);
47 void remove (Value x);
48 bool set_intersect(ValueSet* other);
49 void set_union(ValueSet* other);
50 void clear ();
51 void set_from(ValueSet* other);
52 bool equals (ValueSet* other);
53 };
54
55 #endif // SHARE_VM_C1_C1_VALUESET_HPP
|