Mercurial > hg > truffle
annotate src/share/vm/opto/locknode.hpp @ 2004:4da76e32c0be
7002666: eclipse CDT projects crash with compressed oops
Reviewed-by: kvn, twisti
author | never |
---|---|
date | Wed, 01 Dec 2010 10:16:31 -0800 |
parents | f95d63e2154a |
children | b92c45f2bc75 |
rev | line source |
---|---|
0 | 1 /* |
1972 | 2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
460
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
460
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
460
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_OPTO_LOCKNODE_HPP |
26 #define SHARE_VM_OPTO_LOCKNODE_HPP | |
27 | |
28 #include "opto/node.hpp" | |
29 #include "opto/opcodes.hpp" | |
30 #include "opto/subnode.hpp" | |
31 #ifdef TARGET_ARCH_MODEL_x86_32 | |
32 # include "adfiles/ad_x86_32.hpp" | |
33 #endif | |
34 #ifdef TARGET_ARCH_MODEL_x86_64 | |
35 # include "adfiles/ad_x86_64.hpp" | |
36 #endif | |
37 #ifdef TARGET_ARCH_MODEL_sparc | |
38 # include "adfiles/ad_sparc.hpp" | |
39 #endif | |
40 #ifdef TARGET_ARCH_MODEL_zero | |
41 # include "adfiles/ad_zero.hpp" | |
42 #endif | |
43 | |
0 | 44 //------------------------------BoxLockNode------------------------------------ |
45 class BoxLockNode : public Node { | |
46 public: | |
47 const int _slot; | |
48 RegMask _inmask; | |
66
6dbf1a175d6b
6672848: (Escape Analysis) improve lock elimination with EA
kvn
parents:
0
diff
changeset
|
49 bool _is_eliminated; // indicates this lock was safely eliminated |
0 | 50 |
51 BoxLockNode( int lock ); | |
52 virtual int Opcode() const; | |
53 virtual void emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const; | |
54 virtual uint size(PhaseRegAlloc *ra_) const; | |
55 virtual const RegMask &in_RegMask(uint) const; | |
56 virtual const RegMask &out_RegMask() const; | |
57 virtual uint size_of() const; | |
460
424f9bfe6b96
6775880: EA +DeoptimizeALot: assert(mon_info->owner()->is_locked(),"object must be locked now")
kvn
parents:
196
diff
changeset
|
58 virtual uint hash() const; |
0 | 59 virtual uint cmp( const Node &n ) const; |
60 virtual const class Type *bottom_type() const { return TypeRawPtr::BOTTOM; } | |
61 virtual uint ideal_reg() const { return Op_RegP; } | |
62 | |
63 static OptoReg::Name stack_slot(Node* box_node); | |
64 | |
66
6dbf1a175d6b
6672848: (Escape Analysis) improve lock elimination with EA
kvn
parents:
0
diff
changeset
|
65 bool is_eliminated() { return _is_eliminated; } |
6dbf1a175d6b
6672848: (Escape Analysis) improve lock elimination with EA
kvn
parents:
0
diff
changeset
|
66 // mark lock as eliminated. |
6dbf1a175d6b
6672848: (Escape Analysis) improve lock elimination with EA
kvn
parents:
0
diff
changeset
|
67 void set_eliminated() { _is_eliminated = true; } |
6dbf1a175d6b
6672848: (Escape Analysis) improve lock elimination with EA
kvn
parents:
0
diff
changeset
|
68 |
0 | 69 #ifndef PRODUCT |
70 virtual void format( PhaseRegAlloc *, outputStream *st ) const; | |
71 virtual void dump_spec(outputStream *st) const { st->print(" Lock %d",_slot); } | |
72 #endif | |
73 }; | |
74 | |
75 //------------------------------FastLockNode----------------------------------- | |
76 class FastLockNode: public CmpNode { | |
77 private: | |
78 BiasedLockingCounters* _counters; | |
79 | |
80 public: | |
81 FastLockNode(Node *ctrl, Node *oop, Node *box) : CmpNode(oop,box) { | |
82 init_req(0,ctrl); | |
83 init_class_id(Class_FastLock); | |
84 _counters = NULL; | |
85 } | |
86 Node* obj_node() const { return in(1); } | |
87 Node* box_node() const { return in(2); } | |
88 | |
89 // FastLock and FastUnlockNode do not hash, we need one for each correspoding | |
90 // LockNode/UnLockNode to avoid creating Phi's. | |
91 virtual uint hash() const ; // { return NO_HASH; } | |
92 virtual uint cmp( const Node &n ) const ; // Always fail, except on self | |
93 virtual int Opcode() const; | |
94 virtual const Type *Value( PhaseTransform *phase ) const { return TypeInt::CC; } | |
95 const Type *sub(const Type *t1, const Type *t2) const { return TypeInt::CC;} | |
96 | |
97 void create_lock_counter(JVMState* s); | |
98 BiasedLockingCounters* counters() const { return _counters; } | |
99 }; | |
100 | |
101 | |
102 //------------------------------FastUnlockNode--------------------------------- | |
103 class FastUnlockNode: public CmpNode { | |
104 public: | |
105 FastUnlockNode(Node *ctrl, Node *oop, Node *box) : CmpNode(oop,box) { | |
106 init_req(0,ctrl); | |
107 init_class_id(Class_FastUnlock); | |
108 } | |
109 Node* obj_node() const { return in(1); } | |
110 Node* box_node() const { return in(2); } | |
111 | |
112 | |
113 // FastLock and FastUnlockNode do not hash, we need one for each correspoding | |
114 // LockNode/UnLockNode to avoid creating Phi's. | |
115 virtual uint hash() const ; // { return NO_HASH; } | |
116 virtual uint cmp( const Node &n ) const ; // Always fail, except on self | |
117 virtual int Opcode() const; | |
118 virtual const Type *Value( PhaseTransform *phase ) const { return TypeInt::CC; } | |
119 const Type *sub(const Type *t1, const Type *t2) const { return TypeInt::CC;} | |
120 | |
121 }; | |
1972 | 122 |
123 #endif // SHARE_VM_OPTO_LOCKNODE_HPP |