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comparison src/share/vm/opto/callnode.hpp @ 22833:6e8e0bf87bbe

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8069412: Locks need better debug-printing support Summary: Added better debug-printing support and enhanced LogCompilation tool Reviewed-by: kvn, roland, dholmes
author drchase
date Fri, 20 Feb 2015 22:12:53 -0500
parents 411e30e5fbb8
children dd9cc155639c 3ff8d0b5a04b
comparison
equal deleted inserted replaced
22832:9d6eb2757167 22833:6e8e0bf87bbe
1 /* 1 /*
2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
983 bool is_eliminated() const { return (_kind != Regular); } 983 bool is_eliminated() const { return (_kind != Regular); }
984 bool is_non_esc_obj() const { return (_kind == NonEscObj); } 984 bool is_non_esc_obj() const { return (_kind == NonEscObj); }
985 bool is_coarsened() const { return (_kind == Coarsened); } 985 bool is_coarsened() const { return (_kind == Coarsened); }
986 bool is_nested() const { return (_kind == Nested); } 986 bool is_nested() const { return (_kind == Nested); }
987 987
988 const char * kind_as_string() const;
989 void log_lock_optimization(Compile* c, const char * tag) const;
990
988 void set_non_esc_obj() { _kind = NonEscObj; set_eliminated_lock_counter(); } 991 void set_non_esc_obj() { _kind = NonEscObj; set_eliminated_lock_counter(); }
989 void set_coarsened() { _kind = Coarsened; set_eliminated_lock_counter(); } 992 void set_coarsened() { _kind = Coarsened; set_eliminated_lock_counter(); }
990 void set_nested() { _kind = Nested; set_eliminated_lock_counter(); } 993 void set_nested() { _kind = Nested; set_eliminated_lock_counter(); }
991 994
992 // locking does not modify its arguments 995 // locking does not modify its arguments
1043 jvms()->set_map_deep(this); 1046 jvms()->set_map_deep(this);
1044 } 1047 }
1045 } 1048 }
1046 1049
1047 bool is_nested_lock_region(); // Is this Lock nested? 1050 bool is_nested_lock_region(); // Is this Lock nested?
1051 bool is_nested_lock_region(Compile * c); // Why isn't this Lock nested?
1048 }; 1052 };
1049 1053
1050 //------------------------------Unlock--------------------------------------- 1054 //------------------------------Unlock---------------------------------------
1051 // High-level unlock operation 1055 // High-level unlock operation
1052 class UnlockNode : public AbstractLockNode { 1056 class UnlockNode : public AbstractLockNode {
1057 private:
1058 #ifdef ASSERT
1059 JVMState* const _dbg_jvms; // Pointer to list of JVM State objects
1060 #endif
1053 public: 1061 public:
1054 virtual int Opcode() const; 1062 virtual int Opcode() const;
1055 virtual uint size_of() const; // Size is bigger 1063 virtual uint size_of() const; // Size is bigger
1056 UnlockNode(Compile* C, const TypeFunc *tf) : AbstractLockNode( tf ) { 1064 UnlockNode(Compile* C, const TypeFunc *tf) : AbstractLockNode( tf )
1065 #ifdef ASSERT
1066 , _dbg_jvms(NULL)
1067 #endif
1068 {
1057 init_class_id(Class_Unlock); 1069 init_class_id(Class_Unlock);
1058 init_flags(Flag_is_macro); 1070 init_flags(Flag_is_macro);
1059 C->add_macro_node(this); 1071 C->add_macro_node(this);
1060 } 1072 }
1061 virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); 1073 virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
1062 // unlock is never a safepoint 1074 // unlock is never a safepoint
1063 virtual bool guaranteed_safepoint() { return false; } 1075 virtual bool guaranteed_safepoint() { return false; }
1076 #ifdef ASSERT
1077 void set_dbg_jvms(JVMState* s) {
1078 *(JVMState**)&_dbg_jvms = s; // override const attribute in the accessor
1079 }
1080 JVMState* dbg_jvms() const { return _dbg_jvms; }
1081 #else
1082 JVMState* dbg_jvms() const { return NULL; }
1083 #endif
1064 }; 1084 };
1065 1085
1066 #endif // SHARE_VM_OPTO_CALLNODE_HPP 1086 #endif // SHARE_VM_OPTO_CALLNODE_HPP