src/os_cpu/linux_sparc/vm/atomic_linux_sparc.inline.hpp

rev 11110 : 8155949: Support relaxed semantics in cmpxchg
Reviewed-by:
Contributed-by: HORII@jp.ibm.com, mdoerr

@@ -146,21 +146,21 @@
 inline void*    Atomic::xchg_ptr(void*    exchange_value, volatile void*     dest) {
   return (void*)xchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest);
 }
 
 
-inline jint     Atomic::cmpxchg    (jint     exchange_value, volatile jint*     dest, jint     compare_value) {
+inline jint     Atomic::cmpxchg    (jint     exchange_value, volatile jint*     dest, jint     compare_value, cmpxchg_memory_order order) {
   jint rv;
   __asm__ volatile(
     " cas    [%2], %3, %0"
     : "=r" (rv)
     : "0" (exchange_value), "r" (dest), "r" (compare_value)
     : "memory");
   return rv;
 }
 
-inline jlong    Atomic::cmpxchg    (jlong    exchange_value, volatile jlong*    dest, jlong    compare_value) {
+inline jlong    Atomic::cmpxchg    (jlong    exchange_value, volatile jlong*    dest, jlong    compare_value, cmpxchg_memory_order order) {
 #ifdef _LP64
   jlong rv;
   __asm__ volatile(
     " casx   [%2], %3, %0"
     : "=r" (rv)

@@ -188,11 +188,11 @@
 
   return rv.long_value;
 #endif
 }
 
-inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value) {
+inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value, cmpxchg_memory_order order) {
   intptr_t rv;
 #ifdef _LP64
   __asm__ volatile(
     " casx    [%2], %3, %0"
     : "=r" (rv)

@@ -206,10 +206,10 @@
     : "memory");
 #endif // _LP64
   return rv;
 }
 
-inline void*    Atomic::cmpxchg_ptr(void*    exchange_value, volatile void*     dest, void*    compare_value) {
-  return (void*)cmpxchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest, (intptr_t)compare_value);
+inline void*    Atomic::cmpxchg_ptr(void*    exchange_value, volatile void*     dest, void*    compare_value, cmpxchg_memory_order order) {
+  return (void*)cmpxchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest, (intptr_t)compare_value, order);
 }
 
 #endif // OS_CPU_LINUX_SPARC_VM_ATOMIC_LINUX_SPARC_INLINE_HPP