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comparison src/share/vm/oops/cpCache.hpp @ 14909:4ca6dc0799b6

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Backout jdk9 merge
author Gilles Duboscq <duboscq@ssw.jku.at>
date Tue, 01 Apr 2014 13:57:07 +0200
parents 3205e78d8193
children 52b4284cb496
comparison
equal deleted inserted replaced
14908:8db6e76cb658 14909:4ca6dc0799b6
136 volatile intx _flags; // flags 136 volatile intx _flags; // flags
137 137
138 138
139 void set_bytecode_1(Bytecodes::Code code); 139 void set_bytecode_1(Bytecodes::Code code);
140 void set_bytecode_2(Bytecodes::Code code); 140 void set_bytecode_2(Bytecodes::Code code);
141 void set_f1(Metadata* f1) { 141 void set_f1(Metadata* f1) {
142 Metadata* existing_f1 = (Metadata*)_f1; // read once 142 Metadata* existing_f1 = (Metadata*)_f1; // read once
143 assert(existing_f1 == NULL || existing_f1 == f1, "illegal field change"); 143 assert(existing_f1 == NULL || existing_f1 == f1, "illegal field change");
144 _f1 = f1; 144 _f1 = f1;
145 } 145 }
146 void release_set_f1(Metadata* f1); 146 void release_set_f1(Metadata* f1);
323 return false; // default: not resolved 323 return false; // default: not resolved
324 } 324 }
325 325
326 // Accessors 326 // Accessors
327 int indices() const { return _indices; } 327 int indices() const { return _indices; }
328 int indices_ord() const { return (intx)OrderAccess::load_ptr_acquire(&_indices); }
329 int constant_pool_index() const { return (indices() & cp_index_mask); } 328 int constant_pool_index() const { return (indices() & cp_index_mask); }
330 Bytecodes::Code bytecode_1() const { return Bytecodes::cast((indices_ord() >> bytecode_1_shift) & bytecode_1_mask); } 329 Bytecodes::Code bytecode_1() const { return Bytecodes::cast((indices() >> bytecode_1_shift) & bytecode_1_mask); }
331 Bytecodes::Code bytecode_2() const { return Bytecodes::cast((indices_ord() >> bytecode_2_shift) & bytecode_2_mask); } 330 Bytecodes::Code bytecode_2() const { return Bytecodes::cast((indices() >> bytecode_2_shift) & bytecode_2_mask); }
332 Metadata* f1_ord() const { return (Metadata *)OrderAccess::load_ptr_acquire(&_f1); } 331 Method* f1_as_method() const { Metadata* f1 = (Metadata*)_f1; assert(f1 == NULL || f1->is_method(), ""); return (Method*)f1; }
333 Method* f1_as_method() const { Metadata* f1 = f1_ord(); assert(f1 == NULL || f1->is_method(), ""); return (Method*)f1; } 332 Klass* f1_as_klass() const { Metadata* f1 = (Metadata*)_f1; assert(f1 == NULL || f1->is_klass(), ""); return (Klass*)f1; }
334 Klass* f1_as_klass() const { Metadata* f1 = f1_ord(); assert(f1 == NULL || f1->is_klass(), ""); return (Klass*)f1; } 333 bool is_f1_null() const { Metadata* f1 = (Metadata*)_f1; return f1 == NULL; } // classifies a CPC entry as unbound
335 // Use the accessor f1() to acquire _f1's value. This is needed for
336 // example in BytecodeInterpreter::run(), where is_f1_null() is
337 // called to check if an invokedynamic call is resolved. This load
338 // of _f1 must be ordered with the loads performed by
339 // cache->main_entry_index().
340 bool is_f1_null() const { Metadata* f1 = f1_ord(); return f1 == NULL; } // classifies a CPC entry as unbound
341 int f2_as_index() const { assert(!is_vfinal(), ""); return (int) _f2; } 334 int f2_as_index() const { assert(!is_vfinal(), ""); return (int) _f2; }
342 Method* f2_as_vfinal_method() const { assert(is_vfinal(), ""); return (Method*)_f2; } 335 Method* f2_as_vfinal_method() const { assert(is_vfinal(), ""); return (Method*)_f2; }
343 int field_index() const { assert(is_field_entry(), ""); return (_flags & field_index_mask); } 336 int field_index() const { assert(is_field_entry(), ""); return (_flags & field_index_mask); }
344 int parameter_size() const { assert(is_method_entry(), ""); return (_flags & parameter_size_mask); } 337 int parameter_size() const { assert(is_method_entry(), ""); return (_flags & parameter_size_mask); }
345 bool is_volatile() const { return (_flags & (1 << is_volatile_shift)) != 0; } 338 bool is_volatile() const { return (_flags & (1 << is_volatile_shift)) != 0; }
346 bool is_final() const { return (_flags & (1 << is_final_shift)) != 0; } 339 bool is_final() const { return (_flags & (1 << is_final_shift)) != 0; }
347 bool is_forced_virtual() const { return (_flags & (1 << is_forced_virtual_shift)) != 0; } 340 bool is_forced_virtual() const { return (_flags & (1 << is_forced_virtual_shift)) != 0; }