src/os_cpu/linux_ppc/vm/atomic_linux_ppc.hpp

*** 296,306 ****
        );
    }
  }
  
  inline void cmpxchg_post_membar(cmpxchg_memory_order order) {
!   if (order != memory_order_relaxed) {
      __asm__ __volatile__ (
        /* fence */
        strasm_sync
        );
    }
--- 296,306 ----
        );
    }
  }
  
  inline void cmpxchg_post_membar(cmpxchg_memory_order order) {
!   if (order == memory_order_conservative) {
      __asm__ __volatile__ (
        /* fence */
        strasm_sync
        );
    }