Mercurial > hg > graal-compiler
annotate src/share/vm/opto/locknode.hpp @ 17810:62c54fcc0a35
Merge
| author | kvn |
|---|---|
| date | Tue, 25 Mar 2014 17:07:36 -0700 |
| parents | d2907f74462e 606acabe7b5c |
| children | 52b4284cb496 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1999, 2012, 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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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 | |
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43 #ifdef TARGET_ARCH_MODEL_arm |
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44 # include "adfiles/ad_arm.hpp" |
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45 #endif |
| 14391 | 46 #ifdef TARGET_ARCH_MODEL_ppc_32 |
| 47 # include "adfiles/ad_ppc_32.hpp" | |
| 48 #endif | |
| 49 #ifdef TARGET_ARCH_MODEL_ppc_64 | |
| 50 # include "adfiles/ad_ppc_64.hpp" | |
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51 #endif |
| 1972 | 52 |
| 0 | 53 //------------------------------BoxLockNode------------------------------------ |
| 54 class BoxLockNode : public Node { | |
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55 const int _slot; // stack slot |
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56 RegMask _inmask; // OptoReg corresponding to stack slot |
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57 bool _is_eliminated; // Associated locks were safely eliminated |
| 0 | 58 |
| 4777 | 59 public: |
| 0 | 60 BoxLockNode( int lock ); |
| 61 virtual int Opcode() const; | |
| 62 virtual void emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const; | |
| 63 virtual uint size(PhaseRegAlloc *ra_) const; | |
| 64 virtual const RegMask &in_RegMask(uint) const; | |
| 65 virtual const RegMask &out_RegMask() const; | |
| 66 virtual uint size_of() const; | |
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67 virtual uint hash() const; |
| 0 | 68 virtual uint cmp( const Node &n ) const; |
| 69 virtual const class Type *bottom_type() const { return TypeRawPtr::BOTTOM; } | |
| 70 virtual uint ideal_reg() const { return Op_RegP; } | |
| 71 | |
| 4777 | 72 static OptoReg::Name reg(Node* box_node); |
| 73 static BoxLockNode* box_node(Node* box_node); | |
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74 static bool same_slot(Node* box1, Node* box2) { |
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75 return box1->as_BoxLock()->_slot == box2->as_BoxLock()->_slot; |
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76 } |
| 4777 | 77 int stack_slot() const { return _slot; } |
| 0 | 78 |
| 4777 | 79 bool is_eliminated() const { return _is_eliminated; } |
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80 // mark lock as eliminated. |
| 4777 | 81 void set_eliminated() { _is_eliminated = true; } |
| 82 | |
| 83 // Is BoxLock node used for one simple lock region? | |
| 84 bool is_simple_lock_region(LockNode** unique_lock, Node* obj); | |
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85 |
| 0 | 86 #ifndef PRODUCT |
| 87 virtual void format( PhaseRegAlloc *, outputStream *st ) const; | |
| 88 virtual void dump_spec(outputStream *st) const { st->print(" Lock %d",_slot); } | |
| 89 #endif | |
| 90 }; | |
| 91 | |
| 92 //------------------------------FastLockNode----------------------------------- | |
| 93 class FastLockNode: public CmpNode { | |
| 94 private: | |
| 17780 | 95 BiasedLockingCounters* _counters; |
| 96 RTMLockingCounters* _rtm_counters; // RTM lock counters for inflated locks | |
| 97 RTMLockingCounters* _stack_rtm_counters; // RTM lock counters for stack locks | |
| 0 | 98 |
| 99 public: | |
| 100 FastLockNode(Node *ctrl, Node *oop, Node *box) : CmpNode(oop,box) { | |
| 101 init_req(0,ctrl); | |
| 102 init_class_id(Class_FastLock); | |
| 103 _counters = NULL; | |
| 17780 | 104 _rtm_counters = NULL; |
| 105 _stack_rtm_counters = NULL; | |
| 0 | 106 } |
| 107 Node* obj_node() const { return in(1); } | |
| 108 Node* box_node() const { return in(2); } | |
| 4777 | 109 void set_box_node(Node* box) { set_req(2, box); } |
| 0 | 110 |
| 111 // FastLock and FastUnlockNode do not hash, we need one for each correspoding | |
| 112 // LockNode/UnLockNode to avoid creating Phi's. | |
| 113 virtual uint hash() const ; // { return NO_HASH; } | |
| 17780 | 114 virtual uint size_of() const; |
| 0 | 115 virtual uint cmp( const Node &n ) const ; // Always fail, except on self |
| 116 virtual int Opcode() const; | |
| 117 virtual const Type *Value( PhaseTransform *phase ) const { return TypeInt::CC; } | |
| 118 const Type *sub(const Type *t1, const Type *t2) const { return TypeInt::CC;} | |
| 119 | |
| 120 void create_lock_counter(JVMState* s); | |
| 17780 | 121 void create_rtm_lock_counter(JVMState* state); |
| 122 BiasedLockingCounters* counters() const { return _counters; } | |
| 123 RTMLockingCounters* rtm_counters() const { return _rtm_counters; } | |
| 124 RTMLockingCounters* stack_rtm_counters() const { return _stack_rtm_counters; } | |
| 0 | 125 }; |
| 126 | |
| 127 | |
| 128 //------------------------------FastUnlockNode--------------------------------- | |
| 129 class FastUnlockNode: public CmpNode { | |
| 130 public: | |
| 131 FastUnlockNode(Node *ctrl, Node *oop, Node *box) : CmpNode(oop,box) { | |
| 132 init_req(0,ctrl); | |
| 133 init_class_id(Class_FastUnlock); | |
| 134 } | |
| 135 Node* obj_node() const { return in(1); } | |
| 136 Node* box_node() const { return in(2); } | |
| 137 | |
| 138 | |
| 139 // FastLock and FastUnlockNode do not hash, we need one for each correspoding | |
| 140 // LockNode/UnLockNode to avoid creating Phi's. | |
| 141 virtual uint hash() const ; // { return NO_HASH; } | |
| 142 virtual uint cmp( const Node &n ) const ; // Always fail, except on self | |
| 143 virtual int Opcode() const; | |
| 144 virtual const Type *Value( PhaseTransform *phase ) const { return TypeInt::CC; } | |
| 145 const Type *sub(const Type *t1, const Type *t2) const { return TypeInt::CC;} | |
| 146 | |
| 147 }; | |
| 1972 | 148 |
| 149 #endif // SHARE_VM_OPTO_LOCKNODE_HPP |