51
52 extern "C" {
53 jint _Atomic_add(jint add_value, volatile jint* dest);
54 jint _Atomic_xchg(jint exchange_value, volatile jint* dest);
55 jbyte _Atomic_cmpxchg_byte(jbyte exchange_value, volatile jbyte* dest,
56 jbyte compare_value);
57 jint _Atomic_cmpxchg(jint exchange_value, volatile jint* dest,
58 jint compare_value);
59 jlong _Atomic_cmpxchg_long(jlong exchange_value, volatile jlong* dest,
60 jlong compare_value);
61 }
62
63 inline jint Atomic::add (jint add_value, volatile jint* dest) {
64 return _Atomic_add(add_value, dest);
65 }
66
67 inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) {
68 return _Atomic_xchg(exchange_value, dest);
69 }
70
71 // Not using cmpxchg_using_stub here, because some configurations of
72 // Solaris compiler don't deal well with passing a "defined in .il"
73 // function as an argument. We *should* switch to using gcc-style
74 // inline assembly, but attempting to do so with Studio 12.4 ran into
75 // segfaults.
76
77 template<>
78 template<typename T>
79 inline T Atomic::PlatformCmpxchg<1>::operator()(T exchange_value,
80 T volatile* dest,
81 T compare_value,
82 cmpxchg_memory_order order) const {
83 return IntegerTypes::cast<T>(
84 _Atomic_cmpxchg_byte(IntegerTypes::cast<jbyte>(exchange_value),
85 reinterpret_cast<jbyte volatile*>(dest),
86 IntegerTypes::cast<jbyte>(compare_value)));
87 }
88
89 template<>
90 template<typename T>
91 inline T Atomic::PlatformCmpxchg<4>::operator()(T exchange_value,
92 T volatile* dest,
93 T compare_value,
94 cmpxchg_memory_order order) const {
95 return IntegerTypes::cast<T>(
96 _Atomic_cmpxchg(IntegerTypes::cast<jint>(exchange_value),
97 reinterpret_cast<jint volatile*>(dest),
98 IntegerTypes::cast<jint>(compare_value)));
99 }
100
101 template<>
102 template<typename T>
103 inline T Atomic::PlatformCmpxchg<8>::operator()(T exchange_value,
104 T volatile* dest,
105 T compare_value,
106 cmpxchg_memory_order order) const {
107 return IntegerTypes::cast<T>(
108 _Atomic_cmpxchg_long(IntegerTypes::cast<jlong>(exchange_value),
109 reinterpret_cast<jlong volatile*>(dest),
110 IntegerTypes::cast<jlong>(compare_value)));
111 }
112
113 inline void Atomic::store (jlong store_value, jlong* dest) { *dest = store_value; }
114 inline void Atomic::store (jlong store_value, volatile jlong* dest) { *dest = store_value; }
115 extern "C" jlong _Atomic_add_long(jlong add_value, volatile jlong* dest);
116 extern "C" jlong _Atomic_xchg_long(jlong exchange_value, volatile jlong* dest);
117
118 inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) {
119 return (intptr_t)_Atomic_add_long((jlong)add_value, (volatile jlong*)dest);
120 }
121
122 inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) {
123 return (void*)_Atomic_add_long((jlong)add_value, (volatile jlong*)dest);
124 }
125
126 inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) {
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51
52 extern "C" {
53 jint _Atomic_add(jint add_value, volatile jint* dest);
54 jint _Atomic_xchg(jint exchange_value, volatile jint* dest);
55 jbyte _Atomic_cmpxchg_byte(jbyte exchange_value, volatile jbyte* dest,
56 jbyte compare_value);
57 jint _Atomic_cmpxchg(jint exchange_value, volatile jint* dest,
58 jint compare_value);
59 jlong _Atomic_cmpxchg_long(jlong exchange_value, volatile jlong* dest,
60 jlong compare_value);
61 }
62
63 inline jint Atomic::add (jint add_value, volatile jint* dest) {
64 return _Atomic_add(add_value, dest);
65 }
66
67 inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) {
68 return _Atomic_xchg(exchange_value, dest);
69 }
70
71 // Not using cmpxchg_using_helper here, because some configurations of
72 // Solaris compiler don't deal well with passing a "defined in .il"
73 // function as an argument. We *should* switch to using gcc-style
74 // inline assembly, but attempting to do so with Studio 12.4 ran into
75 // segfaults.
76
77 template<>
78 template<typename T>
79 inline T Atomic::PlatformCmpxchg<1>::operator()(T exchange_value,
80 T volatile* dest,
81 T compare_value,
82 cmpxchg_memory_order order) const {
83 STATIC_ASSERT(1 == sizeof(T));
84 return IntegerTypes::cast<T>(
85 _Atomic_cmpxchg_byte(IntegerTypes::cast<jbyte>(exchange_value),
86 reinterpret_cast<jbyte volatile*>(dest),
87 IntegerTypes::cast<jbyte>(compare_value)));
88 }
89
90 template<>
91 template<typename T>
92 inline T Atomic::PlatformCmpxchg<4>::operator()(T exchange_value,
93 T volatile* dest,
94 T compare_value,
95 cmpxchg_memory_order order) const {
96 STATIC_ASSERT(4 == sizeof(T));
97 return IntegerTypes::cast<T>(
98 _Atomic_cmpxchg(IntegerTypes::cast<jint>(exchange_value),
99 reinterpret_cast<jint volatile*>(dest),
100 IntegerTypes::cast<jint>(compare_value)));
101 }
102
103 template<>
104 template<typename T>
105 inline T Atomic::PlatformCmpxchg<8>::operator()(T exchange_value,
106 T volatile* dest,
107 T compare_value,
108 cmpxchg_memory_order order) const {
109 STATIC_ASSERT(8 == sizeof(T));
110 return IntegerTypes::cast<T>(
111 _Atomic_cmpxchg_long(IntegerTypes::cast<jlong>(exchange_value),
112 reinterpret_cast<jlong volatile*>(dest),
113 IntegerTypes::cast<jlong>(compare_value)));
114 }
115
116 inline void Atomic::store (jlong store_value, jlong* dest) { *dest = store_value; }
117 inline void Atomic::store (jlong store_value, volatile jlong* dest) { *dest = store_value; }
118 extern "C" jlong _Atomic_add_long(jlong add_value, volatile jlong* dest);
119 extern "C" jlong _Atomic_xchg_long(jlong exchange_value, volatile jlong* dest);
120
121 inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) {
122 return (intptr_t)_Atomic_add_long((jlong)add_value, (volatile jlong*)dest);
123 }
124
125 inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) {
126 return (void*)_Atomic_add_long((jlong)add_value, (volatile jlong*)dest);
127 }
128
129 inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) {
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