Mercurial > hg > truffle
diff src/share/vm/oops/instanceKlass.hpp @ 4772:8f8b94305aff
7129240: backout fix for 7102776 until 7128770 is resolved
Reviewed-by: phh, bobv, coleenp, dcubed
Contributed-by: Jiangli Zhou <jiangli.zhou@oracle.com>
author | dcubed |
---|---|
date | Wed, 11 Jan 2012 19:54:34 -0800 |
parents | 22cee0ee8927 |
children | 26a08cbbf042 a79cb7c55012 |
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--- a/src/share/vm/oops/instanceKlass.hpp Fri Jan 06 20:09:20 2012 -0800 +++ b/src/share/vm/oops/instanceKlass.hpp Wed Jan 11 19:54:34 2012 -0800 @@ -231,6 +231,10 @@ u2 _java_fields_count; // The number of declared Java fields int _nonstatic_oop_map_size;// size in words of nonstatic oop map blocks + bool _is_marked_dependent; // used for marking during flushing and deoptimization + bool _rewritten; // methods rewritten. + bool _has_nonstatic_fields; // for sizing with UseCompressedOops + bool _should_verify_class; // allow caching of preverification u2 _minor_version; // minor version number of class file u2 _major_version; // major version number of class file Thread* _init_thread; // Pointer to current thread doing initialization (to handle recusive initialization) @@ -261,19 +265,6 @@ // _idnum_allocated_count. u1 _init_state; // state of class - // Compact the following four boolean flags into 1-bit each. These four flags - // were defined as separate boolean fields and each was 1-byte before. Since - // there are 2 bytes unused after the _idnum_allocated_count field, place the - // _misc_flags field after _idnum_allocated_count to utilize the unused bits - // and save total 4-bytes. - enum { - IS_MARKED_DEPENDENT = 0x1, // used for marking during flushing and deoptimization - REWRITTEN = 0x2, // methods rewritten. - HAS_NONSTATIC_FIELDS = 0x4, // for sizing with UseCompressedOops - SHOULD_VERIFY_CLASS = 0x8 // allow caching of preverification - }; - u1 _misc_flags; - // embedded Java vtable follows here // embedded Java itables follows here // embedded static fields follows here @@ -283,14 +274,8 @@ friend class SystemDictionary; public: - bool has_nonstatic_fields() const { return (_misc_flags & HAS_NONSTATIC_FIELDS) != 0; } - void set_has_nonstatic_fields(bool b) { - if (b) { - _misc_flags |= HAS_NONSTATIC_FIELDS; - } else { - _misc_flags &= ~HAS_NONSTATIC_FIELDS; - } - } + bool has_nonstatic_fields() const { return _has_nonstatic_fields; } + void set_has_nonstatic_fields(bool b) { _has_nonstatic_fields = b; } // field sizes int nonstatic_field_size() const { return _nonstatic_field_size; } @@ -398,23 +383,15 @@ bool is_in_error_state() const { return _init_state == initialization_error; } bool is_reentrant_initialization(Thread *thread) { return thread == _init_thread; } ClassState init_state() { return (ClassState)_init_state; } - bool is_rewritten() const { return (_misc_flags & REWRITTEN) != 0; } + bool is_rewritten() const { return _rewritten; } // defineClass specified verification - bool should_verify_class() const { return (_misc_flags & SHOULD_VERIFY_CLASS) != 0; } - void set_should_verify_class(bool value) { - if (value) { - _misc_flags |= SHOULD_VERIFY_CLASS; - } else { - _misc_flags &= ~SHOULD_VERIFY_CLASS; - } - } - + bool should_verify_class() const { return _should_verify_class; } + void set_should_verify_class(bool value) { _should_verify_class = value; } // marking - bool is_marked_dependent() const { return (_misc_flags & IS_MARKED_DEPENDENT) != 0; } - void set_is_marked_dependent() { _misc_flags |= IS_MARKED_DEPENDENT; } - void clear_is_marked_dependent() { _misc_flags &= ~IS_MARKED_DEPENDENT; } + bool is_marked_dependent() const { return _is_marked_dependent; } + void set_is_marked_dependent(bool value) { _is_marked_dependent = value; } // initialization (virtuals from Klass) bool should_be_initialized() const; // means that initialize should be called @@ -784,7 +761,7 @@ #else void set_init_state(ClassState state) { _init_state = (u1)state; } #endif - void set_rewritten() { _misc_flags |= REWRITTEN; } + void set_rewritten() { _rewritten = true; } void set_init_thread(Thread *thread) { _init_thread = thread; } u2 idnum_allocated_count() const { return _idnum_allocated_count; }