--- old/src/os_cpu/solaris_sparc/vm/orderAccess_solaris_sparc.inline.hpp	2015-01-28 17:45:35.355688524 -0500
+++ new/src/os_cpu/solaris_sparc/vm/orderAccess_solaris_sparc.inline.hpp	2015-01-28 17:45:34.387632595 -0500
@@ -32,103 +32,23 @@
 
 // Assume TSO.
 
-// In solaris_sparc.il
-extern "C" void _OrderAccess_acquire();
-extern "C" void _OrderAccess_fence();
-
-inline void OrderAccess::loadload()   { acquire(); }
-inline void OrderAccess::storestore() { release(); }
-inline void OrderAccess::loadstore()  { acquire(); }
-inline void OrderAccess::storeload()  { fence(); }
-
-#ifdef _GNU_SOURCE
-
-inline void OrderAccess::acquire() {
-  __asm__ volatile ("nop" : : :);
-}
-
-inline void OrderAccess::release() {
-  jint* local_dummy = (jint*)&local_dummy;
-  __asm__ volatile("stw %%g0, [%0]" : : "r" (local_dummy) : "memory");
-}
-
-inline void OrderAccess::fence() {
-  __asm__ volatile ("membar  #StoreLoad" : : :);
+// A compiler barrier, forcing the C++ compiler to invalidate all memory assumptions
+inline void compiler_barrier() {
+  __asm__ volatile ("" : : : "memory");
 }
 
-#else  // _GNU_SOURCE
-
-inline void OrderAccess::acquire() {
-  _OrderAccess_acquire();
-}
+inline void OrderAccess::loadload()   { compiler_barrier(); }
+inline void OrderAccess::storestore() { compiler_barrier(); }
+inline void OrderAccess::loadstore()  { compiler_barrier(); }
+inline void OrderAccess::storeload()  { fence();            }
 
-inline void OrderAccess::release() {
-  // Avoid hitting the same cache-line from
-  // different threads.
-  volatile jint local_dummy = 0;
-}
+inline void OrderAccess::acquire()    { compiler_barrier(); }
+inline void OrderAccess::release()    { compiler_barrier(); }
 
 inline void OrderAccess::fence() {
-  _OrderAccess_fence();
+  __asm__ volatile ("membar  #StoreLoad" : : : "memory");
 }
 
-#endif // _GNU_SOURCE
-
-inline jbyte    OrderAccess::load_acquire(volatile jbyte*   p) { return *p; }
-inline jshort   OrderAccess::load_acquire(volatile jshort*  p) { return *p; }
-inline jint     OrderAccess::load_acquire(volatile jint*    p) { return *p; }
-inline jlong    OrderAccess::load_acquire(volatile jlong*   p) { return Atomic::load(p); }
-inline jubyte   OrderAccess::load_acquire(volatile jubyte*  p) { return *p; }
-inline jushort  OrderAccess::load_acquire(volatile jushort* p) { return *p; }
-inline juint    OrderAccess::load_acquire(volatile juint*   p) { return *p; }
-inline julong   OrderAccess::load_acquire(volatile julong*  p) { return Atomic::load((volatile jlong*)p); }
-inline jfloat   OrderAccess::load_acquire(volatile jfloat*  p) { return *p; }
-inline jdouble  OrderAccess::load_acquire(volatile jdouble* p) { return *p; }
-
-inline intptr_t OrderAccess::load_ptr_acquire(volatile intptr_t*   p) { return *p; }
-inline void*    OrderAccess::load_ptr_acquire(volatile void*       p) { return *(void* volatile *)p; }
-inline void*    OrderAccess::load_ptr_acquire(const volatile void* p) { return *(void* const volatile *)p; }
-
-inline void     OrderAccess::release_store(volatile jbyte*   p, jbyte   v) { *p = v; }
-inline void     OrderAccess::release_store(volatile jshort*  p, jshort  v) { *p = v; }
-inline void     OrderAccess::release_store(volatile jint*    p, jint    v) { *p = v; }
-inline void     OrderAccess::release_store(volatile jlong*   p, jlong   v) { Atomic::store(v, p); }
-inline void     OrderAccess::release_store(volatile jubyte*  p, jubyte  v) { *p = v; }
-inline void     OrderAccess::release_store(volatile jushort* p, jushort v) { *p = v; }
-inline void     OrderAccess::release_store(volatile juint*   p, juint   v) { *p = v; }
-inline void     OrderAccess::release_store(volatile julong*  p, julong  v) { Atomic::store((jlong)v, (volatile jlong*)p); }
-inline void     OrderAccess::release_store(volatile jfloat*  p, jfloat  v) { *p = v; }
-inline void     OrderAccess::release_store(volatile jdouble* p, jdouble v) { *p = v; }
-
-inline void     OrderAccess::release_store_ptr(volatile intptr_t* p, intptr_t v) { *p = v; }
-inline void     OrderAccess::release_store_ptr(volatile void*     p, void*    v) { *(void* volatile *)p = v; }
-
-inline void     OrderAccess::store_fence(jbyte*   p, jbyte   v) { *p = v; fence(); }
-inline void     OrderAccess::store_fence(jshort*  p, jshort  v) { *p = v; fence(); }
-inline void     OrderAccess::store_fence(jint*    p, jint    v) { *p = v; fence(); }
-inline void     OrderAccess::store_fence(jlong*   p, jlong   v) { *p = v; fence(); }
-inline void     OrderAccess::store_fence(jubyte*  p, jubyte  v) { *p = v; fence(); }
-inline void     OrderAccess::store_fence(jushort* p, jushort v) { *p = v; fence(); }
-inline void     OrderAccess::store_fence(juint*   p, juint   v) { *p = v; fence(); }
-inline void     OrderAccess::store_fence(julong*  p, julong  v) { *p = v; fence(); }
-inline void     OrderAccess::store_fence(jfloat*  p, jfloat  v) { *p = v; fence(); }
-inline void     OrderAccess::store_fence(jdouble* p, jdouble v) { *p = v; fence(); }
-
-inline void     OrderAccess::store_ptr_fence(intptr_t* p, intptr_t v) { *p = v; fence(); }
-inline void     OrderAccess::store_ptr_fence(void**    p, void*    v) { *p = v; fence(); }
-
-inline void     OrderAccess::release_store_fence(volatile jbyte*   p, jbyte   v) { *p = v; fence(); }
-inline void     OrderAccess::release_store_fence(volatile jshort*  p, jshort  v) { *p = v; fence(); }
-inline void     OrderAccess::release_store_fence(volatile jint*    p, jint    v) { *p = v; fence(); }
-inline void     OrderAccess::release_store_fence(volatile jlong*   p, jlong   v) { release_store(p, v); fence(); }
-inline void     OrderAccess::release_store_fence(volatile jubyte*  p, jubyte  v) { *p = v; fence(); }
-inline void     OrderAccess::release_store_fence(volatile jushort* p, jushort v) { *p = v; fence(); }
-inline void     OrderAccess::release_store_fence(volatile juint*   p, juint   v) { *p = v; fence(); }
-inline void     OrderAccess::release_store_fence(volatile julong*  p, julong  v) { release_store(p, v); fence(); }
-inline void     OrderAccess::release_store_fence(volatile jfloat*  p, jfloat  v) { *p = v; fence(); }
-inline void     OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { *p = v; fence(); }
-
-inline void     OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { *p = v; fence(); }
-inline void     OrderAccess::release_store_ptr_fence(volatile void*     p, void*    v) { *(void* volatile *)p = v; fence(); }
+#define VM_HAS_GENERALIZED_ORDER_ACCESS 1
 
 #endif // OS_CPU_SOLARIS_SPARC_VM_ORDERACCESS_SOLARIS_SPARC_INLINE_HPP