Mercurial > hg > graal-jvmci-8
annotate src/share/vm/opto/locknode.hpp @ 24234:ea6f94ab283b default tip
Added tag jvmci-0.36 for changeset 8128b98d4736
author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
---|---|
date | Mon, 18 Sep 2017 18:49:45 +0200 |
parents | dd9cc155639c |
children |
rev | line source |
---|---|
0 | 1 /* |
22851
ddce0b7cee93
8072383: resolve conflicts between open and closed ports
dlong
parents:
17810
diff
changeset
|
2 * Copyright (c) 1999, 2015, 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" | |
22851
ddce0b7cee93
8072383: resolve conflicts between open and closed ports
dlong
parents:
17810
diff
changeset
|
31 #if defined AD_MD_HPP |
ddce0b7cee93
8072383: resolve conflicts between open and closed ports
dlong
parents:
17810
diff
changeset
|
32 # include AD_MD_HPP |
ddce0b7cee93
8072383: resolve conflicts between open and closed ports
dlong
parents:
17810
diff
changeset
|
33 #elif defined TARGET_ARCH_MODEL_x86_32 |
1972 | 34 # include "adfiles/ad_x86_32.hpp" |
22851
ddce0b7cee93
8072383: resolve conflicts between open and closed ports
dlong
parents:
17810
diff
changeset
|
35 #elif defined TARGET_ARCH_MODEL_x86_64 |
1972 | 36 # include "adfiles/ad_x86_64.hpp" |
22851
ddce0b7cee93
8072383: resolve conflicts between open and closed ports
dlong
parents:
17810
diff
changeset
|
37 #elif defined TARGET_ARCH_MODEL_sparc |
1972 | 38 # include "adfiles/ad_sparc.hpp" |
22851
ddce0b7cee93
8072383: resolve conflicts between open and closed ports
dlong
parents:
17810
diff
changeset
|
39 #elif defined TARGET_ARCH_MODEL_zero |
1972 | 40 # include "adfiles/ad_zero.hpp" |
22851
ddce0b7cee93
8072383: resolve conflicts between open and closed ports
dlong
parents:
17810
diff
changeset
|
41 #elif defined TARGET_ARCH_MODEL_ppc_64 |
14391 | 42 # include "adfiles/ad_ppc_64.hpp" |
2192
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
1972
diff
changeset
|
43 #endif |
1972 | 44 |
0 | 45 //------------------------------BoxLockNode------------------------------------ |
46 class BoxLockNode : public Node { | |
4790
b0ff910edfc9
7128355: assert(!nocreate) failed: Cannot build a phi for a block already parsed
kvn
parents:
4777
diff
changeset
|
47 const int _slot; // stack slot |
b0ff910edfc9
7128355: assert(!nocreate) failed: Cannot build a phi for a block already parsed
kvn
parents:
4777
diff
changeset
|
48 RegMask _inmask; // OptoReg corresponding to stack slot |
b0ff910edfc9
7128355: assert(!nocreate) failed: Cannot build a phi for a block already parsed
kvn
parents:
4777
diff
changeset
|
49 bool _is_eliminated; // Associated locks were safely eliminated |
0 | 50 |
4777 | 51 public: |
0 | 52 BoxLockNode( int lock ); |
53 virtual int Opcode() const; | |
54 virtual void emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const; | |
55 virtual uint size(PhaseRegAlloc *ra_) const; | |
56 virtual const RegMask &in_RegMask(uint) const; | |
57 virtual const RegMask &out_RegMask() const; | |
58 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
|
59 virtual uint hash() const; |
0 | 60 virtual uint cmp( const Node &n ) const; |
61 virtual const class Type *bottom_type() const { return TypeRawPtr::BOTTOM; } | |
62 virtual uint ideal_reg() const { return Op_RegP; } | |
63 | |
4777 | 64 static OptoReg::Name reg(Node* box_node); |
65 static BoxLockNode* box_node(Node* box_node); | |
4790
b0ff910edfc9
7128355: assert(!nocreate) failed: Cannot build a phi for a block already parsed
kvn
parents:
4777
diff
changeset
|
66 static bool same_slot(Node* box1, Node* box2) { |
b0ff910edfc9
7128355: assert(!nocreate) failed: Cannot build a phi for a block already parsed
kvn
parents:
4777
diff
changeset
|
67 return box1->as_BoxLock()->_slot == box2->as_BoxLock()->_slot; |
b0ff910edfc9
7128355: assert(!nocreate) failed: Cannot build a phi for a block already parsed
kvn
parents:
4777
diff
changeset
|
68 } |
4777 | 69 int stack_slot() const { return _slot; } |
0 | 70 |
4777 | 71 bool is_eliminated() const { return _is_eliminated; } |
66
6dbf1a175d6b
6672848: (Escape Analysis) improve lock elimination with EA
kvn
parents:
0
diff
changeset
|
72 // mark lock as eliminated. |
4777 | 73 void set_eliminated() { _is_eliminated = true; } |
74 | |
75 // Is BoxLock node used for one simple lock region? | |
76 bool is_simple_lock_region(LockNode** unique_lock, Node* obj); | |
66
6dbf1a175d6b
6672848: (Escape Analysis) improve lock elimination with EA
kvn
parents:
0
diff
changeset
|
77 |
0 | 78 #ifndef PRODUCT |
79 virtual void format( PhaseRegAlloc *, outputStream *st ) const; | |
80 virtual void dump_spec(outputStream *st) const { st->print(" Lock %d",_slot); } | |
81 #endif | |
82 }; | |
83 | |
84 //------------------------------FastLockNode----------------------------------- | |
85 class FastLockNode: public CmpNode { | |
86 private: | |
17780 | 87 BiasedLockingCounters* _counters; |
88 RTMLockingCounters* _rtm_counters; // RTM lock counters for inflated locks | |
89 RTMLockingCounters* _stack_rtm_counters; // RTM lock counters for stack locks | |
0 | 90 |
91 public: | |
92 FastLockNode(Node *ctrl, Node *oop, Node *box) : CmpNode(oop,box) { | |
93 init_req(0,ctrl); | |
94 init_class_id(Class_FastLock); | |
95 _counters = NULL; | |
17780 | 96 _rtm_counters = NULL; |
97 _stack_rtm_counters = NULL; | |
0 | 98 } |
99 Node* obj_node() const { return in(1); } | |
100 Node* box_node() const { return in(2); } | |
4777 | 101 void set_box_node(Node* box) { set_req(2, box); } |
0 | 102 |
103 // FastLock and FastUnlockNode do not hash, we need one for each correspoding | |
104 // LockNode/UnLockNode to avoid creating Phi's. | |
105 virtual uint hash() const ; // { return NO_HASH; } | |
17780 | 106 virtual uint size_of() const; |
0 | 107 virtual uint cmp( const Node &n ) const ; // Always fail, except on self |
108 virtual int Opcode() const; | |
109 virtual const Type *Value( PhaseTransform *phase ) const { return TypeInt::CC; } | |
110 const Type *sub(const Type *t1, const Type *t2) const { return TypeInt::CC;} | |
111 | |
112 void create_lock_counter(JVMState* s); | |
17780 | 113 void create_rtm_lock_counter(JVMState* state); |
114 BiasedLockingCounters* counters() const { return _counters; } | |
115 RTMLockingCounters* rtm_counters() const { return _rtm_counters; } | |
116 RTMLockingCounters* stack_rtm_counters() const { return _stack_rtm_counters; } | |
0 | 117 }; |
118 | |
119 | |
120 //------------------------------FastUnlockNode--------------------------------- | |
121 class FastUnlockNode: public CmpNode { | |
122 public: | |
123 FastUnlockNode(Node *ctrl, Node *oop, Node *box) : CmpNode(oop,box) { | |
124 init_req(0,ctrl); | |
125 init_class_id(Class_FastUnlock); | |
126 } | |
127 Node* obj_node() const { return in(1); } | |
128 Node* box_node() const { return in(2); } | |
129 | |
130 | |
131 // FastLock and FastUnlockNode do not hash, we need one for each correspoding | |
132 // LockNode/UnLockNode to avoid creating Phi's. | |
133 virtual uint hash() const ; // { return NO_HASH; } | |
134 virtual uint cmp( const Node &n ) const ; // Always fail, except on self | |
135 virtual int Opcode() const; | |
136 virtual const Type *Value( PhaseTransform *phase ) const { return TypeInt::CC; } | |
137 const Type *sub(const Type *t1, const Type *t2) const { return TypeInt::CC;} | |
138 | |
139 }; | |
1972 | 140 |
141 #endif // SHARE_VM_OPTO_LOCKNODE_HPP |