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src/os_cpu/solaris_x86/vm/atomic_solaris_x86.hpp

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rev 13266 : imported patch Atomic_refactoring


  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  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 #include "runtime/os.hpp"
  29 
  30 inline void Atomic::store    (jbyte    store_value, jbyte*    dest) { *dest = store_value; }
  31 inline void Atomic::store    (jshort   store_value, jshort*   dest) { *dest = store_value; }
  32 inline void Atomic::store    (jint     store_value, jint*     dest) { *dest = store_value; }
  33 
  34 
  35 inline void Atomic::store_ptr(intptr_t store_value, intptr_t* dest) { *dest = store_value; }
  36 inline void Atomic::store_ptr(void*    store_value, void*     dest) { *(void**)dest = store_value; }
  37 
  38 inline void Atomic::store    (jbyte    store_value, volatile jbyte*    dest) { *dest = store_value; }
  39 inline void Atomic::store    (jshort   store_value, volatile jshort*   dest) { *dest = store_value; }
  40 inline void Atomic::store    (jint     store_value, volatile jint*     dest) { *dest = store_value; }
  41 inline void Atomic::store_ptr(intptr_t store_value, volatile intptr_t* dest) { *dest = store_value; }
  42 inline void Atomic::store_ptr(void*    store_value, volatile void*     dest) { *(void* volatile *)dest = store_value; }
  43 
  44 inline void Atomic::inc    (volatile jint*     dest) { (void)add    (1, dest); }
  45 inline void Atomic::inc_ptr(volatile intptr_t* dest) { (void)add_ptr(1, dest); }
  46 inline void Atomic::inc_ptr(volatile void*     dest) { (void)add_ptr(1, dest); }
  47 
  48 inline void Atomic::dec    (volatile jint*     dest) { (void)add    (-1, dest); }
  49 inline void Atomic::dec_ptr(volatile intptr_t* dest) { (void)add_ptr(-1, dest); }
  50 inline void Atomic::dec_ptr(volatile void*     dest) { (void)add_ptr(-1, dest); }
  51 
  52 // For Sun Studio - implementation is in solaris_x86_[32/64].il.
  53 // For gcc - implementation is just below.
  54 
  55 extern "C" {
  56   jint _Atomic_add(jint add_value, volatile jint* dest);
  57   jint _Atomic_xchg(jint exchange_value, volatile jint* dest);
  58   jbyte _Atomic_cmpxchg_byte(jbyte exchange_value, volatile jbyte* dest,
  59                              jbyte compare_value);
  60   jint _Atomic_cmpxchg(jint exchange_value, volatile jint* dest,
  61                        jint compare_value);
  62   jlong _Atomic_cmpxchg_long(jlong exchange_value, volatile jlong* dest,
  63                              jlong compare_value);
  64 }
  65 
  66 inline jint     Atomic::add    (jint     add_value, volatile jint*     dest) {

  67   return _Atomic_add(add_value, dest);
  68 }
  69 
  70 inline jint     Atomic::xchg       (jint     exchange_value, volatile jint*     dest) {

  71   return _Atomic_xchg(exchange_value, dest);
  72 }
  73 
  74 #define VM_HAS_SPECIALIZED_CMPXCHG_BYTE
  75 inline jbyte    Atomic::cmpxchg    (jbyte    exchange_value, volatile jbyte*    dest, jbyte    compare_value, cmpxchg_memory_order order) {

  76   return _Atomic_cmpxchg_byte(exchange_value, dest, compare_value);
  77 }
  78 
  79 inline jint     Atomic::cmpxchg    (jint     exchange_value, volatile jint*     dest, jint     compare_value, cmpxchg_memory_order order) {

  80   return _Atomic_cmpxchg(exchange_value, dest, compare_value);
  81 }
  82 
  83 inline jlong    Atomic::cmpxchg    (jlong    exchange_value, volatile jlong*    dest, jlong    compare_value, cmpxchg_memory_order order) {

  84   return _Atomic_cmpxchg_long(exchange_value, dest, compare_value);
  85 }
  86 
  87 
  88 #ifdef AMD64
  89 inline void Atomic::store    (jlong    store_value, jlong*             dest) { *dest = store_value; }
  90 inline void Atomic::store    (jlong    store_value, volatile jlong*    dest) { *dest = store_value; }
  91 extern "C" jlong _Atomic_add_long(jlong add_value, volatile jlong* dest);
  92 extern "C" jlong _Atomic_xchg_long(jlong exchange_value, volatile jlong* dest);
  93 
  94 inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) {
  95   return (intptr_t)_Atomic_add_long((jlong)add_value, (volatile jlong*)dest);
  96 }
  97 
  98 inline void*    Atomic::add_ptr(intptr_t add_value, volatile void*     dest) {
  99   return (void*)_Atomic_add_long((jlong)add_value, (volatile jlong*)dest);
 100 }
 101 
 102 inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) {
 103   return (intptr_t)_Atomic_xchg_long((jlong)exchange_value, (volatile jlong*)dest);
 104 }
 105 
 106 inline void*    Atomic::xchg_ptr(void*    exchange_value, volatile void*     dest) {
 107   return (void*)_Atomic_xchg_long((jlong)exchange_value, (volatile jlong*)dest);
 108 }
 109 
 110 inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value, cmpxchg_memory_order order) {
 111   return (intptr_t)_Atomic_cmpxchg_long((jlong)exchange_value, (volatile jlong*)dest, (jlong)compare_value);

 112 }
 113 
 114 inline void*    Atomic::cmpxchg_ptr(void*    exchange_value, volatile void*     dest, void*    compare_value, cmpxchg_memory_order order) {
 115   return (void*)_Atomic_cmpxchg_long((jlong)exchange_value, (volatile jlong*)dest, (jlong)compare_value);

 116 }
 117 
 118 inline jlong Atomic::load(const volatile jlong* src) { return *src; }
 119 
 120 #else // !AMD64
 121 
 122 inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) {
 123   return (intptr_t)add((jint)add_value, (volatile jint*)dest);
 124 }
 125 
 126 inline void*    Atomic::add_ptr(intptr_t add_value, volatile void*     dest) {
 127   return (void*)add((jint)add_value, (volatile jint*)dest);
 128 }
 129 
 130 inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) {
 131   return (intptr_t)xchg((jint)exchange_value, (volatile jint*)dest);
 132 }
 133 
 134 inline void*    Atomic::xchg_ptr(void*    exchange_value, volatile void*     dest) {
 135   return (void*)xchg((jint)exchange_value, (volatile jint*)dest);
 136 }
 137 
 138 inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value, cmpxchg_memory_order order) {
 139   return (intptr_t)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value, order);
 140 }
 141 
 142 inline void*    Atomic::cmpxchg_ptr(void*    exchange_value, volatile void*     dest, void*    compare_value, cmpxchg_memory_order order) {
 143   return (void*)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value, order);
 144 }
 145 
 146 extern "C" void _Atomic_move_long(const volatile jlong* src, volatile jlong* dst);
 147 
 148 inline jlong Atomic::load(const volatile jlong* src) {
 149   volatile jlong dest;
 150   _Atomic_move_long(src, &dest);
 151   return dest;
 152 }
 153 
 154 inline void Atomic::store(jlong store_value, jlong* dest) {
 155   _Atomic_move_long((volatile jlong*)&store_value, (volatile jlong*)dest);
 156 }
 157 
 158 inline void Atomic::store(jlong store_value, volatile jlong* dest) {
 159   _Atomic_move_long((volatile jlong*)&store_value, dest);
 160 }
 161 
 162 #endif // AMD64
 163 
 164 
 165 #endif // OS_CPU_SOLARIS_X86_VM_ATOMIC_SOLARIS_X86_HPP


  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  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 #include "runtime/os.hpp"
  29 






















  30 // For Sun Studio - implementation is in solaris_x86_[32/64].il.

  31 
  32 extern "C" {
  33   int32_t _Atomic_add(int32_t add_value, volatile int32_t* dest);
  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 <>
  44 inline int32_t Atomic::specialized_add<int32_t>(int32_t add_value, volatile int32_t* dest) {
  45   return _Atomic_add(add_value, dest);
  46 }
  47 
  48 template <>
  49 inline int32_t Atomic::specialized_xchg<int32_t>(int32_t exchange_value, volatile int32_t* dest) {
  50   return _Atomic_xchg(exchange_value, dest);
  51 }
  52 
  53 #define VM_HAS_SPECIALIZED_CMPXCHG_BYTE
  54 template <>
  55 inline int8_t Atomic::specialized_cmpxchg<int8_t>(int8_t exchange_value, volatile int8_t* dest, int8_t compare_value, cmpxchg_memory_order order) {
  56   return _Atomic_cmpxchg_byte(exchange_value, dest, compare_value);
  57 }
  58 
  59 template <>
  60 inline int32_t Atomic::specialized_cmpxchg<int32_t>(int32_t exchange_value, volatile int32_t* dest, int32_t compare_value, cmpxchg_memory_order order) {
  61   return _Atomic_cmpxchg(exchange_value, dest, compare_value);
  62 }
  63 
  64 template <>
  65 inline int64_t Atomic::specialized_cmpxchg<int64_t>(int64_t exchange_value, volatile int64_t* dest, int64_t compare_value, cmpxchg_memory_order order) {
  66   return _Atomic_cmpxchg_long(exchange_value, dest, compare_value);
  67 }
  68 

  69 #ifdef AMD64












  70 
  71 extern "C" int64_t _Atomic_add_long(int64_t add_value, volatile int64_t* dest);
  72 extern "C" int64_t _Atomic_xchg_long(int64_t exchange_value, volatile int64_t* dest);





  73 
  74 template <>
  75 inline int64_t Atomic::specialized_add<int64_t>(int64_t add_value, volatile int64_t* dest) {
  76   return _Atomic_add_long(add_value, dest);
  77 }
  78 
  79 template <>
  80 inline int64_t Atomic::specialized_xchg<int64_t>(int64_t exchange_value, volatile int64_t* dest) {
  81   return _Atomic_xchg_long(exchange_value, dest);
  82 }
  83 


  84 #else // !AMD64
  85 



  86 
  87 extern "C" void _Atomic_move_long(const volatile int64_t* src, volatile int64_t* dst);


  88 
  89 template <>
  90 inline int64_t Atomic::specialized_load<int64_t>(const volatile int64_t* src) {
  91   volatile int64_t dest;

















  92   _Atomic_move_long(src, &dest);
  93   return dest;
  94 }
  95 
  96 template <>
  97 inline void Atomic::specialized_store<int64_t>(int64_t store_value, volatile int64_t* dest) {
  98   _Atomic_move_long((volatile int64_t*)&store_value, (volatile int64_t*)dest);



  99 }
 100 
 101 #endif // AMD64
 102 
 103 
 104 #endif // OS_CPU_SOLARIS_X86_VM_ATOMIC_SOLARIS_X86_HPP
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