Mercurial > hg > graal-compiler
view src/share/vm/opto/locknode.hpp @ 21329:6a32034ace1b
LinearScan: make opIdToIndex private.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Tue, 12 May 2015 13:08:43 +0200 |
parents | 52b4284cb496 |
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/* * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_OPTO_LOCKNODE_HPP #define SHARE_VM_OPTO_LOCKNODE_HPP #include "opto/node.hpp" #include "opto/opcodes.hpp" #include "opto/subnode.hpp" #ifdef TARGET_ARCH_MODEL_x86_32 # include "adfiles/ad_x86_32.hpp" #endif #ifdef TARGET_ARCH_MODEL_x86_64 # include "adfiles/ad_x86_64.hpp" #endif #ifdef TARGET_ARCH_MODEL_sparc # include "adfiles/ad_sparc.hpp" #endif #ifdef TARGET_ARCH_MODEL_zero # include "adfiles/ad_zero.hpp" #endif #ifdef TARGET_ARCH_MODEL_arm # include "adfiles/ad_arm.hpp" #endif #ifdef TARGET_ARCH_MODEL_ppc_32 # include "adfiles/ad_ppc_32.hpp" #endif #ifdef TARGET_ARCH_MODEL_ppc_64 # include "adfiles/ad_ppc_64.hpp" #endif //------------------------------BoxLockNode------------------------------------ class BoxLockNode : public Node { const int _slot; // stack slot RegMask _inmask; // OptoReg corresponding to stack slot bool _is_eliminated; // Associated locks were safely eliminated public: BoxLockNode( int lock ); virtual int Opcode() const; virtual void emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const; virtual uint size(PhaseRegAlloc *ra_) const; virtual const RegMask &in_RegMask(uint) const; virtual const RegMask &out_RegMask() const; virtual uint size_of() const; virtual uint hash() const; virtual uint cmp( const Node &n ) const; virtual const class Type *bottom_type() const { return TypeRawPtr::BOTTOM; } virtual uint ideal_reg() const { return Op_RegP; } static OptoReg::Name reg(Node* box_node); static BoxLockNode* box_node(Node* box_node); static bool same_slot(Node* box1, Node* box2) { return box1->as_BoxLock()->_slot == box2->as_BoxLock()->_slot; } int stack_slot() const { return _slot; } bool is_eliminated() const { return _is_eliminated; } // mark lock as eliminated. void set_eliminated() { _is_eliminated = true; } // Is BoxLock node used for one simple lock region? bool is_simple_lock_region(LockNode** unique_lock, Node* obj); #ifndef PRODUCT virtual void format( PhaseRegAlloc *, outputStream *st ) const; virtual void dump_spec(outputStream *st) const { st->print(" Lock %d",_slot); } #endif }; //------------------------------FastLockNode----------------------------------- class FastLockNode: public CmpNode { private: BiasedLockingCounters* _counters; RTMLockingCounters* _rtm_counters; // RTM lock counters for inflated locks RTMLockingCounters* _stack_rtm_counters; // RTM lock counters for stack locks public: FastLockNode(Node *ctrl, Node *oop, Node *box) : CmpNode(oop,box) { init_req(0,ctrl); init_class_id(Class_FastLock); _counters = NULL; _rtm_counters = NULL; _stack_rtm_counters = NULL; } Node* obj_node() const { return in(1); } Node* box_node() const { return in(2); } void set_box_node(Node* box) { set_req(2, box); } // FastLock and FastUnlockNode do not hash, we need one for each correspoding // LockNode/UnLockNode to avoid creating Phi's. virtual uint hash() const ; // { return NO_HASH; } virtual uint size_of() const; virtual uint cmp( const Node &n ) const ; // Always fail, except on self virtual int Opcode() const; virtual const Type *Value( PhaseTransform *phase ) const { return TypeInt::CC; } const Type *sub(const Type *t1, const Type *t2) const { return TypeInt::CC;} void create_lock_counter(JVMState* s); void create_rtm_lock_counter(JVMState* state); BiasedLockingCounters* counters() const { return _counters; } RTMLockingCounters* rtm_counters() const { return _rtm_counters; } RTMLockingCounters* stack_rtm_counters() const { return _stack_rtm_counters; } }; //------------------------------FastUnlockNode--------------------------------- class FastUnlockNode: public CmpNode { public: FastUnlockNode(Node *ctrl, Node *oop, Node *box) : CmpNode(oop,box) { init_req(0,ctrl); init_class_id(Class_FastUnlock); } Node* obj_node() const { return in(1); } Node* box_node() const { return in(2); } // FastLock and FastUnlockNode do not hash, we need one for each correspoding // LockNode/UnLockNode to avoid creating Phi's. virtual uint hash() const ; // { return NO_HASH; } virtual uint cmp( const Node &n ) const ; // Always fail, except on self virtual int Opcode() const; virtual const Type *Value( PhaseTransform *phase ) const { return TypeInt::CC; } const Type *sub(const Type *t1, const Type *t2) const { return TypeInt::CC;} }; #endif // SHARE_VM_OPTO_LOCKNODE_HPP