jdk8-mips64-public/hotspot: src/share/vm/opto/locknode.hpp@b92c45f2bc75

7016023: Enable building ARM and PPC from src/closed repository
Reviewed-by: dholmes, bdelsart

     1 /*

     2  * Copyright (c) 1999, 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  */

    25 #ifndef SHARE_VM_OPTO_LOCKNODE_HPP

    26 #define SHARE_VM_OPTO_LOCKNODE_HPP

    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 #ifdef TARGET_ARCH_MODEL_arm

    44 # include "adfiles/ad_arm.hpp"

    45 #endif

    46 #ifdef TARGET_ARCH_MODEL_ppc

    47 # include "adfiles/ad_ppc.hpp"

    48 #endif

    50 //------------------------------BoxLockNode------------------------------------

    51 class BoxLockNode : public Node {

    52 public:

    53   const int _slot;

    54   RegMask   _inmask;

    55   bool _is_eliminated;    // indicates this lock was safely eliminated

    57   BoxLockNode( int lock );

    58   virtual int Opcode() const;

    59   virtual void emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const;

    60   virtual uint size(PhaseRegAlloc *ra_) const;

    61   virtual const RegMask &in_RegMask(uint) const;

    62   virtual const RegMask &out_RegMask() const;

    63   virtual uint size_of() const;

    64   virtual uint hash() const;

    65   virtual uint cmp( const Node &n ) const;

    66   virtual const class Type *bottom_type() const { return TypeRawPtr::BOTTOM; }

    67   virtual uint ideal_reg() const { return Op_RegP; }

    69   static OptoReg::Name stack_slot(Node* box_node);

    71   bool is_eliminated()  { return _is_eliminated; }

    72   // mark lock as eliminated.

    73   void set_eliminated() { _is_eliminated = true; }

    75 #ifndef PRODUCT

    76   virtual void format( PhaseRegAlloc *, outputStream *st ) const;

    77   virtual void dump_spec(outputStream *st) const { st->print("  Lock %d",_slot); }

    78 #endif

    79 };

    81 //------------------------------FastLockNode-----------------------------------

    82 class FastLockNode: public CmpNode {

    83 private:

    84   BiasedLockingCounters* _counters;

    86 public:

    87   FastLockNode(Node *ctrl, Node *oop, Node *box) : CmpNode(oop,box) {

    88     init_req(0,ctrl);

    89     init_class_id(Class_FastLock);

    90     _counters = NULL;

    91   }

    92   Node* obj_node() const { return in(1); }

    93   Node* box_node() const { return in(2); }

    95   // FastLock and FastUnlockNode do not hash, we need one for each correspoding

    96   // LockNode/UnLockNode to avoid creating Phi's.

    97   virtual uint hash() const ;                  // { return NO_HASH; }

    98   virtual uint cmp( const Node &n ) const ;    // Always fail, except on self

    99   virtual int Opcode() const;

   100   virtual const Type *Value( PhaseTransform *phase ) const { return TypeInt::CC; }

   101   const Type *sub(const Type *t1, const Type *t2) const { return TypeInt::CC;}

   103   void create_lock_counter(JVMState* s);

   104   BiasedLockingCounters* counters() const { return _counters; }

   105 };

   108 //------------------------------FastUnlockNode---------------------------------

   109 class FastUnlockNode: public CmpNode {

   110 public:

   111   FastUnlockNode(Node *ctrl, Node *oop, Node *box) : CmpNode(oop,box) {

   112     init_req(0,ctrl);

   113     init_class_id(Class_FastUnlock);

   114   }

   115   Node* obj_node() const { return in(1); }

   116   Node* box_node() const { return in(2); }

   119   // FastLock and FastUnlockNode do not hash, we need one for each correspoding

   120   // LockNode/UnLockNode to avoid creating Phi's.

   121   virtual uint hash() const ;                  // { return NO_HASH; }

   122   virtual uint cmp( const Node &n ) const ;    // Always fail, except on self

   123   virtual int Opcode() const;

   124   virtual const Type *Value( PhaseTransform *phase ) const { return TypeInt::CC; }

   125   const Type *sub(const Type *t1, const Type *t2) const { return TypeInt::CC;}

   127 };

   129 #endif // SHARE_VM_OPTO_LOCKNODE_HPP

Mercurial > jdk8-mips64-public > hotspot / file revision