src/os_cpu/linux_sparc/vm/atomic_linux_sparc.hpp

rev 13323 : imported patch Atomic_refactoring
rev 13327 : [mq]: SpecializableAtomic

@@ -25,35 +25,13 @@
 #ifndef OS_CPU_LINUX_SPARC_VM_ATOMIC_LINUX_SPARC_INLINE_HPP
 #define OS_CPU_LINUX_SPARC_VM_ATOMIC_LINUX_SPARC_INLINE_HPP
 
 // Implementation of class atomic
 
-inline void Atomic::store    (jbyte    store_value, jbyte*    dest) { *dest = store_value; }
-inline void Atomic::store    (jshort   store_value, jshort*   dest) { *dest = store_value; }
-inline void Atomic::store    (jint     store_value, jint*     dest) { *dest = store_value; }
-inline void Atomic::store    (jlong    store_value, jlong*    dest) { *dest = store_value; }
-inline void Atomic::store_ptr(intptr_t store_value, intptr_t* dest) { *dest = store_value; }
-inline void Atomic::store_ptr(void*    store_value, void*     dest) { *(void**)dest = store_value; }
-
-inline void Atomic::store    (jbyte    store_value, volatile jbyte*    dest) { *dest = store_value; }
-inline void Atomic::store    (jshort   store_value, volatile jshort*   dest) { *dest = store_value; }
-inline void Atomic::store    (jint     store_value, volatile jint*     dest) { *dest = store_value; }
-inline void Atomic::store    (jlong    store_value, volatile jlong*    dest) { *dest = store_value; }
-inline void Atomic::store_ptr(intptr_t store_value, volatile intptr_t* dest) { *dest = store_value; }
-inline void Atomic::store_ptr(void*    store_value, volatile void*     dest) { *(void* volatile *)dest = store_value; }
-
-inline void Atomic::inc    (volatile jint*     dest) { (void)add    (1, dest); }
-inline void Atomic::inc_ptr(volatile intptr_t* dest) { (void)add_ptr(1, dest); }
-inline void Atomic::inc_ptr(volatile void*     dest) { (void)add_ptr(1, dest); }
-
-inline void Atomic::dec    (volatile jint*     dest) { (void)add    (-1, dest); }
-inline void Atomic::dec_ptr(volatile intptr_t* dest) { (void)add_ptr(-1, dest); }
-inline void Atomic::dec_ptr(volatile void*     dest) { (void)add_ptr(-1, dest); }
 
-inline jlong Atomic::load(const volatile jlong* src) { return *src; }
-
-inline jint     Atomic::add    (jint     add_value, volatile jint*     dest) {
+template <>
+inline int32_t GeneralizedAtomic::specialized_add<int32_t>(int32_t add_value, volatile int32_t* dest) {
   intptr_t rv;
   __asm__ volatile(
     "1: \n\t"
     " ld     [%2], %%o2\n\t"
     " add    %1, %%o2, %%o3\n\t"

@@ -66,11 +44,13 @@
     : "r" (add_value), "r" (dest)
     : "memory", "o2", "o3");
   return rv;
 }
 
-inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) {
+
+template <>
+inline int64_t GeneralizedAtomic::specialized_add<int64_t>(int64_t add_value, volatile int64_t* dest) {
   intptr_t rv;
   __asm__ volatile(
     "1: \n\t"
     " ldx    [%2], %%o2\n\t"
     " add    %1, %%o2, %%o3\n\t"

@@ -83,26 +63,25 @@
     : "r" (add_value), "r" (dest)
     : "memory", "o2", "o3");
   return rv;
 }
 
-inline void*    Atomic::add_ptr(intptr_t add_value, volatile void*     dest) {
-  return (void*)add_ptr((intptr_t)add_value, (volatile intptr_t*)dest);
-}
 
-
-inline jint     Atomic::xchg    (jint     exchange_value, volatile jint*     dest) {
+template <>
+inline int32_t GeneralizedAtomic::specialized_xchg<int32_t>(int32_t exchange_value, volatile int32_t* dest) {
   intptr_t rv = exchange_value;
   __asm__ volatile(
     " swap   [%2],%1\n\t"
     : "=r" (rv)
     : "0" (exchange_value) /* we use same register as for return value */, "r" (dest)
     : "memory");
   return rv;
 }
 
-inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) {
+
+template <>
+inline int64_t GeneralizedAtomic::specialized_xchg<int64_t>(int64_t exchange_value, volatile int64_t* dest) {
   intptr_t rv = exchange_value;
   __asm__ volatile(
     "1:\n\t"
     " mov    %1, %%o3\n\t"
     " ldx    [%2], %%o2\n\t"

@@ -115,45 +94,30 @@
     : "r" (exchange_value), "r" (dest)
     : "memory", "o2", "o3");
   return rv;
 }
 
-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, cmpxchg_memory_order order) {
-  jint rv;
+template <>
+inline int32_t GeneralizedAtomic::specialized_cmpxchg<int32_t>(int32_t exchange_value, volatile int32_t* dest, int32_t compare_value, cmpxchg_memory_order order) {
+  int32_t 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, cmpxchg_memory_order order) {
-  jlong rv;
-  __asm__ volatile(
-    " casx   [%2], %3, %0"
-    : "=r" (rv)
-    : "0" (exchange_value), "r" (dest), "r" (compare_value)
-    : "memory");
-  return rv;
-}
 
-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;
+template <>
+inline int64_t GeneralizedAtomic::specialized_cmpxchg<int64_t>(int64_t exchange_value, volatile int64_t* dest, int64_t compare_value, cmpxchg_memory_order order) {
+  int64_t rv;
   __asm__ volatile(
     " casx    [%2], %3, %0"
     : "=r" (rv)
     : "0" (exchange_value), "r" (dest), "r" (compare_value)
     : "memory");
   return rv;
 }
 
-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