11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef OS_CPU_SOLARIS_X86_VM_ATOMIC_SOLARIS_X86_HPP
26 #define OS_CPU_SOLARIS_X86_VM_ATOMIC_SOLARIS_X86_HPP
27
28 // For Sun Studio - implementation is in solaris_x86_64.il.
29
30 extern "C" {
31 jint _Atomic_add(jint add_value, volatile jint* dest);
32 jlong _Atomic_add_long(jlong add_value, volatile jlong* dest);
33
34 jint _Atomic_xchg(jint exchange_value, volatile jint* dest);
35 jbyte _Atomic_cmpxchg_byte(jbyte exchange_value, volatile jbyte* dest,
36 jbyte compare_value);
37 jint _Atomic_cmpxchg(jint exchange_value, volatile jint* dest,
38 jint compare_value);
39 jlong _Atomic_cmpxchg_long(jlong exchange_value, volatile jlong* dest,
40 jlong compare_value);
41 }
42
43 template<size_t byte_size>
44 struct Atomic::PlatformAdd
45 : Atomic::AddAndFetch<Atomic::PlatformAdd<byte_size> >
46 {
47 template<typename I, typename D>
48 D add_and_fetch(I add_value, D volatile* dest) const;
49 };
50
51 // Not using add_using_helper; see comment for cmpxchg.
52 template<>
53 template<typename I, typename D>
54 inline D Atomic::PlatformAdd<4>::add_and_fetch(I add_value, D volatile* dest) const {
55 STATIC_ASSERT(4 == sizeof(I));
56 STATIC_ASSERT(4 == sizeof(D));
57 return PrimitiveConversions::cast<D>(
58 _Atomic_add(PrimitiveConversions::cast<jint>(add_value),
59 reinterpret_cast<jint volatile*>(dest)));
60 }
61
62 // Not using add_using_helper; see comment for cmpxchg.
63 template<>
64 template<typename I, typename D>
65 inline D Atomic::PlatformAdd<8>::add_and_fetch(I add_value, D volatile* dest) const {
66 STATIC_ASSERT(8 == sizeof(I));
67 STATIC_ASSERT(8 == sizeof(D));
68 return PrimitiveConversions::cast<D>(
69 _Atomic_add_long(PrimitiveConversions::cast<jlong>(add_value),
70 reinterpret_cast<jlong volatile*>(dest)));
71 }
72
73 template<>
74 template<typename T>
75 inline T Atomic::PlatformXchg<4>::operator()(T exchange_value,
76 T volatile* dest) const {
77 STATIC_ASSERT(4 == sizeof(T));
78 return PrimitiveConversions::cast<T>(
79 _Atomic_xchg(PrimitiveConversions::cast<jint>(exchange_value),
80 reinterpret_cast<jint volatile*>(dest)));
81 }
82
83 extern "C" jlong _Atomic_xchg_long(jlong exchange_value, volatile jlong* dest);
84
85 template<>
86 template<typename T>
87 inline T Atomic::PlatformXchg<8>::operator()(T exchange_value,
88 T volatile* dest) const {
89 STATIC_ASSERT(8 == sizeof(T));
90 return PrimitiveConversions::cast<T>(
91 _Atomic_xchg_long(PrimitiveConversions::cast<jlong>(exchange_value),
92 reinterpret_cast<jlong volatile*>(dest)));
93 }
94
95 // Not using cmpxchg_using_helper here, because some configurations of
96 // Solaris compiler don't deal well with passing a "defined in .il"
97 // function as an argument. We *should* switch to using gcc-style
98 // inline assembly, but attempting to do so with Studio 12.4 ran into
99 // segfaults.
100
101 template<>
102 template<typename T>
103 inline T Atomic::PlatformCmpxchg<1>::operator()(T exchange_value,
104 T volatile* dest,
105 T compare_value,
106 cmpxchg_memory_order order) const {
107 STATIC_ASSERT(1 == sizeof(T));
108 return PrimitiveConversions::cast<T>(
109 _Atomic_cmpxchg_byte(PrimitiveConversions::cast<jbyte>(exchange_value),
110 reinterpret_cast<jbyte volatile*>(dest),
111 PrimitiveConversions::cast<jbyte>(compare_value)));
112 }
113
114 template<>
115 template<typename T>
116 inline T Atomic::PlatformCmpxchg<4>::operator()(T exchange_value,
117 T volatile* dest,
118 T compare_value,
119 cmpxchg_memory_order order) const {
120 STATIC_ASSERT(4 == sizeof(T));
121 return PrimitiveConversions::cast<T>(
122 _Atomic_cmpxchg(PrimitiveConversions::cast<jint>(exchange_value),
123 reinterpret_cast<jint volatile*>(dest),
124 PrimitiveConversions::cast<jint>(compare_value)));
125 }
126
127 template<>
128 template<typename T>
129 inline T Atomic::PlatformCmpxchg<8>::operator()(T exchange_value,
130 T volatile* dest,
131 T compare_value,
132 cmpxchg_memory_order order) const {
133 STATIC_ASSERT(8 == sizeof(T));
134 return PrimitiveConversions::cast<T>(
135 _Atomic_cmpxchg_long(PrimitiveConversions::cast<jlong>(exchange_value),
136 reinterpret_cast<jlong volatile*>(dest),
137 PrimitiveConversions::cast<jlong>(compare_value)));
138 }
139
140 #endif // OS_CPU_SOLARIS_X86_VM_ATOMIC_SOLARIS_X86_HPP
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef OS_CPU_SOLARIS_X86_VM_ATOMIC_SOLARIS_X86_HPP
26 #define OS_CPU_SOLARIS_X86_VM_ATOMIC_SOLARIS_X86_HPP
27
28 // For Sun Studio - implementation is in solaris_x86_64.il.
29
30 extern "C" {
31 int32_t _Atomic_add(int32_t add_value, volatile int32_t* dest);
32 int64_t _Atomic_add_long(int64_t add_value, volatile int64_t* dest);
33
34 int32_t _Atomic_xchg(int32_t exchange_value, volatile int32_t* dest);
35 int8_t _Atomic_cmpxchg_byte(int8_t exchange_value, volatile int8_t* dest,
36 int8_t compare_value);
37 int32_t _Atomic_cmpxchg(int32_t exchange_value, volatile int32_t* dest,
38 int32_t compare_value);
39 int64_t _Atomic_cmpxchg_long(int64_t exchange_value, volatile int64_t* dest,
40 int64_t compare_value);
41 }
42
43 template<size_t byte_size>
44 struct Atomic::PlatformAdd
45 : Atomic::AddAndFetch<Atomic::PlatformAdd<byte_size> >
46 {
47 template<typename I, typename D>
48 D add_and_fetch(I add_value, D volatile* dest) const;
49 };
50
51 // Not using add_using_helper; see comment for cmpxchg.
52 template<>
53 template<typename I, typename D>
54 inline D Atomic::PlatformAdd<4>::add_and_fetch(I add_value, D volatile* dest) const {
55 STATIC_ASSERT(4 == sizeof(I));
56 STATIC_ASSERT(4 == sizeof(D));
57 return PrimitiveConversions::cast<D>(
58 _Atomic_add(PrimitiveConversions::cast<int32_t>(add_value),
59 reinterpret_cast<int32_t volatile*>(dest)));
60 }
61
62 // Not using add_using_helper; see comment for cmpxchg.
63 template<>
64 template<typename I, typename D>
65 inline D Atomic::PlatformAdd<8>::add_and_fetch(I add_value, D volatile* dest) const {
66 STATIC_ASSERT(8 == sizeof(I));
67 STATIC_ASSERT(8 == sizeof(D));
68 return PrimitiveConversions::cast<D>(
69 _Atomic_add_long(PrimitiveConversions::cast<int64_t>(add_value),
70 reinterpret_cast<int64_t volatile*>(dest)));
71 }
72
73 template<>
74 template<typename T>
75 inline T Atomic::PlatformXchg<4>::operator()(T exchange_value,
76 T volatile* dest) const {
77 STATIC_ASSERT(4 == sizeof(T));
78 return PrimitiveConversions::cast<T>(
79 _Atomic_xchg(PrimitiveConversions::cast<int32_t>(exchange_value),
80 reinterpret_cast<int32_t volatile*>(dest)));
81 }
82
83 extern "C" int64_t _Atomic_xchg_long(int64_t exchange_value, volatile int64_t* dest);
84
85 template<>
86 template<typename T>
87 inline T Atomic::PlatformXchg<8>::operator()(T exchange_value,
88 T volatile* dest) const {
89 STATIC_ASSERT(8 == sizeof(T));
90 return PrimitiveConversions::cast<T>(
91 _Atomic_xchg_long(PrimitiveConversions::cast<int64_t>(exchange_value),
92 reinterpret_cast<int64_t volatile*>(dest)));
93 }
94
95 // Not using cmpxchg_using_helper here, because some configurations of
96 // Solaris compiler don't deal well with passing a "defined in .il"
97 // function as an argument. We *should* switch to using gcc-style
98 // inline assembly, but attempting to do so with Studio 12.4 ran into
99 // segfaults.
100
101 template<>
102 template<typename T>
103 inline T Atomic::PlatformCmpxchg<1>::operator()(T exchange_value,
104 T volatile* dest,
105 T compare_value,
106 cmpxchg_memory_order order) const {
107 STATIC_ASSERT(1 == sizeof(T));
108 return PrimitiveConversions::cast<T>(
109 _Atomic_cmpxchg_byte(PrimitiveConversions::cast<int8_t>(exchange_value),
110 reinterpret_cast<int8_t volatile*>(dest),
111 PrimitiveConversions::cast<int8_t>(compare_value)));
112 }
113
114 template<>
115 template<typename T>
116 inline T Atomic::PlatformCmpxchg<4>::operator()(T exchange_value,
117 T volatile* dest,
118 T compare_value,
119 cmpxchg_memory_order order) const {
120 STATIC_ASSERT(4 == sizeof(T));
121 return PrimitiveConversions::cast<T>(
122 _Atomic_cmpxchg(PrimitiveConversions::cast<int32_t>(exchange_value),
123 reinterpret_cast<int32_t volatile*>(dest),
124 PrimitiveConversions::cast<int32_t>(compare_value)));
125 }
126
127 template<>
128 template<typename T>
129 inline T Atomic::PlatformCmpxchg<8>::operator()(T exchange_value,
130 T volatile* dest,
131 T compare_value,
132 cmpxchg_memory_order order) const {
133 STATIC_ASSERT(8 == sizeof(T));
134 return PrimitiveConversions::cast<T>(
135 _Atomic_cmpxchg_long(PrimitiveConversions::cast<int64_t>(exchange_value),
136 reinterpret_cast<int64_t volatile*>(dest),
137 PrimitiveConversions::cast<int64_t>(compare_value)));
138 }
139
140 #endif // OS_CPU_SOLARIS_X86_VM_ATOMIC_SOLARIS_X86_HPP
|