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src/share/vm/runtime/orderAccess.inline.hpp

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rev 8362 : CMS fence eliding using fancy synchronization when using UseCondCardMark


 121 inline void     OrderAccess::release_store(volatile juint*   p, juint   v) { specialized_release_store((volatile jint*)  p, (jint)  v); }
 122 inline void     OrderAccess::release_store(volatile julong*  p, julong  v) { specialized_release_store((volatile jlong*) p, (jlong) v); }
 123 
 124 inline void     OrderAccess::release_store_ptr(volatile intptr_t* p, intptr_t v) { specialized_release_store(p, v); }
 125 inline void     OrderAccess::release_store_ptr(volatile void*     p, void*    v) { specialized_release_store((volatile intptr_t*)p, (intptr_t)v); }
 126 
 127 inline void     OrderAccess::release_store_fence(volatile jbyte*   p, jbyte   v) { specialized_release_store_fence(p, v); }
 128 inline void     OrderAccess::release_store_fence(volatile jshort*  p, jshort  v) { specialized_release_store_fence(p, v); }
 129 inline void     OrderAccess::release_store_fence(volatile jint*    p, jint    v) { specialized_release_store_fence(p, v); }
 130 inline void     OrderAccess::release_store_fence(volatile jlong*   p, jlong   v) { specialized_release_store_fence(p, v); }
 131 inline void     OrderAccess::release_store_fence(volatile jfloat*  p, jfloat  v) { specialized_release_store_fence(p, v); }
 132 inline void     OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { specialized_release_store_fence(p, v); }
 133 inline void     OrderAccess::release_store_fence(volatile jubyte*  p, jubyte  v) { specialized_release_store_fence((volatile jbyte*) p, (jbyte) v); }
 134 inline void     OrderAccess::release_store_fence(volatile jushort* p, jushort v) { specialized_release_store_fence((volatile jshort*)p, (jshort)v); }
 135 inline void     OrderAccess::release_store_fence(volatile juint*   p, juint   v) { specialized_release_store_fence((volatile jint*)  p, (jint)  v); }
 136 inline void     OrderAccess::release_store_fence(volatile julong*  p, julong  v) { specialized_release_store_fence((volatile jlong*) p, (jlong) v); }
 137 
 138 inline void     OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { specialized_release_store_fence(p, v); }
 139 inline void     OrderAccess::release_store_ptr_fence(volatile void*     p, void*    v) { specialized_release_store_fence((volatile intptr_t*)p, (intptr_t)v); }
 140 


 141 // The following methods can be specialized using simple template specialization
 142 // in the platform specific files for optimization purposes. Otherwise the
 143 // generalized variant is used.
 144 template<typename T> inline T    OrderAccess::specialized_load_acquire       (volatile T* p)       { return ordered_load<T, X_ACQUIRE>(p);    }
 145 template<typename T> inline void OrderAccess::specialized_release_store      (volatile T* p, T v)  { ordered_store<T, RELEASE_X>(p, v);       }
 146 template<typename T> inline void OrderAccess::specialized_release_store_fence(volatile T* p, T v)  { ordered_store<T, RELEASE_X_FENCE>(p, v); }
 147 






 148 // Generalized atomic volatile accesses valid in OrderAccess
 149 // All other types can be expressed in terms of these.
 150 inline void OrderAccess::store(volatile jbyte*   p, jbyte   v) { *p = v; }
 151 inline void OrderAccess::store(volatile jshort*  p, jshort  v) { *p = v; }
 152 inline void OrderAccess::store(volatile jint*    p, jint    v) { *p = v; }
 153 inline void OrderAccess::store(volatile jlong*   p, jlong   v) { Atomic::store(v, p); }
 154 inline void OrderAccess::store(volatile jdouble* p, jdouble v) { Atomic::store(jlong_cast(v), (volatile jlong*)p); }
 155 inline void OrderAccess::store(volatile jfloat*  p, jfloat  v) { *p = v; }
 156 
 157 inline jbyte   OrderAccess::load(volatile jbyte*   p) { return *p; }
 158 inline jshort  OrderAccess::load(volatile jshort*  p) { return *p; }
 159 inline jint    OrderAccess::load(volatile jint*    p) { return *p; }
 160 inline jlong   OrderAccess::load(volatile jlong*   p) { return Atomic::load(p); }
 161 inline jdouble OrderAccess::load(volatile jdouble* p) { return jdouble_cast(Atomic::load((volatile jlong*)p)); }
 162 inline jfloat  OrderAccess::load(volatile jfloat*  p) { return *p; }
 163 
 164 #endif // VM_HAS_GENERALIZED_ORDER_ACCESS
 165 
 166 #endif // SHARE_VM_RUNTIME_ORDERACCESS_INLINE_HPP


 121 inline void     OrderAccess::release_store(volatile juint*   p, juint   v) { specialized_release_store((volatile jint*)  p, (jint)  v); }
 122 inline void     OrderAccess::release_store(volatile julong*  p, julong  v) { specialized_release_store((volatile jlong*) p, (jlong) v); }
 123 
 124 inline void     OrderAccess::release_store_ptr(volatile intptr_t* p, intptr_t v) { specialized_release_store(p, v); }
 125 inline void     OrderAccess::release_store_ptr(volatile void*     p, void*    v) { specialized_release_store((volatile intptr_t*)p, (intptr_t)v); }
 126 
 127 inline void     OrderAccess::release_store_fence(volatile jbyte*   p, jbyte   v) { specialized_release_store_fence(p, v); }
 128 inline void     OrderAccess::release_store_fence(volatile jshort*  p, jshort  v) { specialized_release_store_fence(p, v); }
 129 inline void     OrderAccess::release_store_fence(volatile jint*    p, jint    v) { specialized_release_store_fence(p, v); }
 130 inline void     OrderAccess::release_store_fence(volatile jlong*   p, jlong   v) { specialized_release_store_fence(p, v); }
 131 inline void     OrderAccess::release_store_fence(volatile jfloat*  p, jfloat  v) { specialized_release_store_fence(p, v); }
 132 inline void     OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { specialized_release_store_fence(p, v); }
 133 inline void     OrderAccess::release_store_fence(volatile jubyte*  p, jubyte  v) { specialized_release_store_fence((volatile jbyte*) p, (jbyte) v); }
 134 inline void     OrderAccess::release_store_fence(volatile jushort* p, jushort v) { specialized_release_store_fence((volatile jshort*)p, (jshort)v); }
 135 inline void     OrderAccess::release_store_fence(volatile juint*   p, juint   v) { specialized_release_store_fence((volatile jint*)  p, (jint)  v); }
 136 inline void     OrderAccess::release_store_fence(volatile julong*  p, julong  v) { specialized_release_store_fence((volatile jlong*) p, (jlong) v); }
 137 
 138 inline void     OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { specialized_release_store_fence(p, v); }
 139 inline void     OrderAccess::release_store_ptr_fence(volatile void*     p, void*    v) { specialized_release_store_fence((volatile intptr_t*)p, (intptr_t)v); }
 140 
 141 inline void     OrderAccess::global_fence() { specialized_global_fence<true>(); }
 142 
 143 // The following methods can be specialized using simple template specialization
 144 // in the platform specific files for optimization purposes. Otherwise the
 145 // generalized variant is used.
 146 template<typename T> inline T    OrderAccess::specialized_load_acquire       (volatile T* p)       { return ordered_load<T, X_ACQUIRE>(p);    }
 147 template<typename T> inline void OrderAccess::specialized_release_store      (volatile T* p, T v)  { ordered_store<T, RELEASE_X>(p, v);       }
 148 template<typename T> inline void OrderAccess::specialized_release_store_fence(volatile T* p, T v)  { ordered_store<T, RELEASE_X_FENCE>(p, v); }
 149 
 150 template<bool DummyFlag>
 151 void OrderAccess::specialized_global_fence() {
 152   // no specialization: call general variant
 153   general_global_fence();
 154 }
 155 
 156 // Generalized atomic volatile accesses valid in OrderAccess
 157 // All other types can be expressed in terms of these.
 158 inline void OrderAccess::store(volatile jbyte*   p, jbyte   v) { *p = v; }
 159 inline void OrderAccess::store(volatile jshort*  p, jshort  v) { *p = v; }
 160 inline void OrderAccess::store(volatile jint*    p, jint    v) { *p = v; }
 161 inline void OrderAccess::store(volatile jlong*   p, jlong   v) { Atomic::store(v, p); }
 162 inline void OrderAccess::store(volatile jdouble* p, jdouble v) { Atomic::store(jlong_cast(v), (volatile jlong*)p); }
 163 inline void OrderAccess::store(volatile jfloat*  p, jfloat  v) { *p = v; }
 164 
 165 inline jbyte   OrderAccess::load(volatile jbyte*   p) { return *p; }
 166 inline jshort  OrderAccess::load(volatile jshort*  p) { return *p; }
 167 inline jint    OrderAccess::load(volatile jint*    p) { return *p; }
 168 inline jlong   OrderAccess::load(volatile jlong*   p) { return Atomic::load(p); }
 169 inline jdouble OrderAccess::load(volatile jdouble* p) { return jdouble_cast(Atomic::load((volatile jlong*)p)); }
 170 inline jfloat  OrderAccess::load(volatile jfloat*  p) { return *p; }
 171 
 172 #endif // VM_HAS_GENERALIZED_ORDER_ACCESS
 173 
 174 #endif // SHARE_VM_RUNTIME_ORDERACCESS_INLINE_HPP
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