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comparison src/os_cpu/solaris_x86/vm/orderAccess_solaris_x86.inline.hpp @ 11157:4614a598dae1

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8016538: volatile double access via Unsafe.cpp is not atomic Summary: volatile jdouble load/store is not atomic, fix by using of existing volatile jlong operations which are atomic for jdouble. Reviewed-by: kvn, vladidan, jrose Contributed-by: david.holmes@oracle.com
author minqi
date Fri, 19 Jul 2013 08:34:48 -0700
parents 63e54c37ac64
children
comparison
equal deleted inserted replaced
11155:383a5e21cc2d 11157:4614a598dae1
86 inline jubyte OrderAccess::load_acquire(volatile jubyte* p) { return *p; } 86 inline jubyte OrderAccess::load_acquire(volatile jubyte* p) { return *p; }
87 inline jushort OrderAccess::load_acquire(volatile jushort* p) { return *p; } 87 inline jushort OrderAccess::load_acquire(volatile jushort* p) { return *p; }
88 inline juint OrderAccess::load_acquire(volatile juint* p) { return *p; } 88 inline juint OrderAccess::load_acquire(volatile juint* p) { return *p; }
89 inline julong OrderAccess::load_acquire(volatile julong* p) { return Atomic::load((volatile jlong*)p); } 89 inline julong OrderAccess::load_acquire(volatile julong* p) { return Atomic::load((volatile jlong*)p); }
90 inline jfloat OrderAccess::load_acquire(volatile jfloat* p) { return *p; } 90 inline jfloat OrderAccess::load_acquire(volatile jfloat* p) { return *p; }
91 inline jdouble OrderAccess::load_acquire(volatile jdouble* p) { return *p; } 91 inline jdouble OrderAccess::load_acquire(volatile jdouble* p) { return jdouble_cast(Atomic::load((volatile jlong*)p)); }
92 92
93 inline intptr_t OrderAccess::load_ptr_acquire(volatile intptr_t* p) { return *p; } 93 inline intptr_t OrderAccess::load_ptr_acquire(volatile intptr_t* p) { return *p; }
94 inline void* OrderAccess::load_ptr_acquire(volatile void* p) { return *(void* volatile *)p; } 94 inline void* OrderAccess::load_ptr_acquire(volatile void* p) { return *(void* volatile *)p; }
95 inline void* OrderAccess::load_ptr_acquire(const volatile void* p) { return *(void* const volatile *)p; } 95 inline void* OrderAccess::load_ptr_acquire(const volatile void* p) { return *(void* const volatile *)p; }
96 96
101 inline void OrderAccess::release_store(volatile jubyte* p, jubyte v) { *p = v; } 101 inline void OrderAccess::release_store(volatile jubyte* p, jubyte v) { *p = v; }
102 inline void OrderAccess::release_store(volatile jushort* p, jushort v) { *p = v; } 102 inline void OrderAccess::release_store(volatile jushort* p, jushort v) { *p = v; }
103 inline void OrderAccess::release_store(volatile juint* p, juint v) { *p = v; } 103 inline void OrderAccess::release_store(volatile juint* p, juint v) { *p = v; }
104 inline void OrderAccess::release_store(volatile julong* p, julong v) { Atomic::store((jlong)v, (volatile jlong*)p); } 104 inline void OrderAccess::release_store(volatile julong* p, julong v) { Atomic::store((jlong)v, (volatile jlong*)p); }
105 inline void OrderAccess::release_store(volatile jfloat* p, jfloat v) { *p = v; } 105 inline void OrderAccess::release_store(volatile jfloat* p, jfloat v) { *p = v; }
106 inline void OrderAccess::release_store(volatile jdouble* p, jdouble v) { *p = v; } 106 inline void OrderAccess::release_store(volatile jdouble* p, jdouble v) { release_store((volatile jlong*)p, jlong_cast(v)); }
107 107
108 inline void OrderAccess::release_store_ptr(volatile intptr_t* p, intptr_t v) { *p = v; } 108 inline void OrderAccess::release_store_ptr(volatile intptr_t* p, intptr_t v) { *p = v; }
109 inline void OrderAccess::release_store_ptr(volatile void* p, void* v) { *(void* volatile *)p = v; } 109 inline void OrderAccess::release_store_ptr(volatile void* p, void* v) { *(void* volatile *)p = v; }
110 110
111 inline void OrderAccess::store_fence(jbyte* p, jbyte v) { *p = v; fence(); } 111 inline void OrderAccess::store_fence(jbyte* p, jbyte v) { *p = v; fence(); }
127 inline void OrderAccess::release_store_fence(volatile jint* p, jint v) { *p = v; fence(); } 127 inline void OrderAccess::release_store_fence(volatile jint* p, jint v) { *p = v; fence(); }
128 inline void OrderAccess::release_store_fence(volatile jlong* p, jlong v) { release_store(p, v); fence(); } 128 inline void OrderAccess::release_store_fence(volatile jlong* p, jlong v) { release_store(p, v); fence(); }
129 inline void OrderAccess::release_store_fence(volatile jubyte* p, jubyte v) { *p = v; fence(); } 129 inline void OrderAccess::release_store_fence(volatile jubyte* p, jubyte v) { *p = v; fence(); }
130 inline void OrderAccess::release_store_fence(volatile jushort* p, jushort v) { *p = v; fence(); } 130 inline void OrderAccess::release_store_fence(volatile jushort* p, jushort v) { *p = v; fence(); }
131 inline void OrderAccess::release_store_fence(volatile juint* p, juint v) { *p = v; fence(); } 131 inline void OrderAccess::release_store_fence(volatile juint* p, juint v) { *p = v; fence(); }
132 inline void OrderAccess::release_store_fence(volatile julong* p, julong v) { release_store(p, v); fence(); } 132 inline void OrderAccess::release_store_fence(volatile julong* p, julong v) { release_store((jlong *)p, (jlong)v); fence(); }
133 inline void OrderAccess::release_store_fence(volatile jfloat* p, jfloat v) { *p = v; fence(); } 133 inline void OrderAccess::release_store_fence(volatile jfloat* p, jfloat v) { *p = v; fence(); }
134 inline void OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { *p = v; fence(); } 134 inline void OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { release_store_fence((volatile jlong*)p, jlong_cast(v)); }
135 135
136 inline void OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { *p = v; fence(); } 136 inline void OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { *p = v; fence(); }
137 inline void OrderAccess::release_store_ptr_fence(volatile void* p, void* v) { *(void* volatile *)p = v; fence(); } 137 inline void OrderAccess::release_store_ptr_fence(volatile void* p, void* v) { *(void* volatile *)p = v; fence(); }
138 138
139 #endif // OS_CPU_SOLARIS_X86_VM_ORDERACCESS_SOLARIS_X86_INLINE_HPP 139 #endif // OS_CPU_SOLARIS_X86_VM_ORDERACCESS_SOLARIS_X86_INLINE_HPP