Mon, 02 Nov 2009 11:17:55 +0100
6769124: various 64-bit fixes for c1
Reviewed-by: never
duke@435 | 1 | /* |
duke@435 | 2 | * Copyright 2001-2005 Sun Microsystems, Inc. All Rights Reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | // A ValueSet is a simple abstraction on top of a BitMap representing |
duke@435 | 26 | // a set of Instructions. Currently it assumes that the number of |
duke@435 | 27 | // instructions is fixed during its lifetime; should make it |
duke@435 | 28 | // automatically resizable. |
duke@435 | 29 | |
duke@435 | 30 | class ValueSet: public CompilationResourceObj { |
duke@435 | 31 | private: |
duke@435 | 32 | BitMap _map; |
duke@435 | 33 | |
duke@435 | 34 | public: |
duke@435 | 35 | ValueSet(); |
duke@435 | 36 | |
duke@435 | 37 | ValueSet* copy(); |
duke@435 | 38 | bool contains(Value x); |
duke@435 | 39 | void put (Value x); |
duke@435 | 40 | void remove (Value x); |
duke@435 | 41 | bool set_intersect(ValueSet* other); |
duke@435 | 42 | void set_union(ValueSet* other); |
duke@435 | 43 | void clear (); |
duke@435 | 44 | void set_from(ValueSet* other); |
duke@435 | 45 | bool equals (ValueSet* other); |
duke@435 | 46 | }; |
duke@435 | 47 | |
duke@435 | 48 | inline ValueSet::ValueSet() : _map(Instruction::number_of_instructions()) { |
duke@435 | 49 | _map.clear(); |
duke@435 | 50 | } |
duke@435 | 51 | |
duke@435 | 52 | |
duke@435 | 53 | inline ValueSet* ValueSet::copy() { |
duke@435 | 54 | ValueSet* res = new ValueSet(); |
duke@435 | 55 | res->_map.set_from(_map); |
duke@435 | 56 | return res; |
duke@435 | 57 | } |
duke@435 | 58 | |
duke@435 | 59 | |
duke@435 | 60 | inline bool ValueSet::contains(Value x) { |
duke@435 | 61 | return _map.at(x->id()); |
duke@435 | 62 | } |
duke@435 | 63 | |
duke@435 | 64 | |
duke@435 | 65 | inline void ValueSet::put(Value x) { |
duke@435 | 66 | _map.set_bit(x->id()); |
duke@435 | 67 | } |
duke@435 | 68 | |
duke@435 | 69 | |
duke@435 | 70 | inline void ValueSet::remove(Value x) { |
duke@435 | 71 | _map.clear_bit(x->id()); |
duke@435 | 72 | } |
duke@435 | 73 | |
duke@435 | 74 | |
duke@435 | 75 | inline bool ValueSet::set_intersect(ValueSet* other) { |
duke@435 | 76 | return _map.set_intersection_with_result(other->_map); |
duke@435 | 77 | } |
duke@435 | 78 | |
duke@435 | 79 | |
duke@435 | 80 | inline void ValueSet::set_union(ValueSet* other) { |
duke@435 | 81 | _map.set_union(other->_map); |
duke@435 | 82 | } |
duke@435 | 83 | |
duke@435 | 84 | |
duke@435 | 85 | inline void ValueSet::clear() { |
duke@435 | 86 | _map.clear(); |
duke@435 | 87 | } |
duke@435 | 88 | |
duke@435 | 89 | inline void ValueSet::set_from(ValueSet* other) { |
duke@435 | 90 | _map.set_from(other->_map); |
duke@435 | 91 | } |
duke@435 | 92 | |
duke@435 | 93 | inline bool ValueSet::equals(ValueSet* other) { |
duke@435 | 94 | return _map.is_same(other->_map); |
duke@435 | 95 | } |