src/os_cpu/linux_ppc/vm/atomic_linux_ppc.hpp

*** 287,306 ****
  inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) {
    return (void*)xchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest);
  }
  
  inline void cmpxchg_pre_membar(cmpxchg_memory_order order) {
!   if (order != memory_order_relaxed) {
      __asm__ __volatile__ (
        /* fence */
        strasm_sync
        );
    }
  }
  
  inline void cmpxchg_post_membar(cmpxchg_memory_order order) {
!   if (order != memory_order_relaxed) {
      __asm__ __volatile__ (
        /* fence */
        strasm_sync
        );
    }
--- 287,313 ----
  inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) {
    return (void*)xchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest);
  }
  
  inline void cmpxchg_pre_membar(cmpxchg_memory_order order) {
!   if (order == memory_order_release) {
!     __asm__ __volatile__ (
!       /* release */
!       strasm_lwsync
!       );
!   } else if (order != memory_order_relaxed) {
      __asm__ __volatile__ (
        /* fence */
        strasm_sync
        );
    }
  }
  
  inline void cmpxchg_post_membar(cmpxchg_memory_order order) {
!   if (order == memory_order_release) {
!     // no post membar
!   } else if (order == memory_order_conservative) {
      __asm__ __volatile__ (
        /* fence */
        strasm_sync
        );
    }