src/cpu/ppc/vm/vm_version_ppc.cpp

*** 170,179 ****
--- 170,184 ----
      FLAG_SET_DEFAULT(UseSHA1Intrinsics, false);
      FLAG_SET_DEFAULT(UseSHA256Intrinsics, false);
      FLAG_SET_DEFAULT(UseSHA512Intrinsics, false);
    }
  
+   // This machine does not allow unaligned memory accesses
+   if (! FLAG_IS_DEFAULT(UseUnalignedAccesses)) {
+     warning("Unaligned memory access is not available on this CPU");
+     FLAG_SET_DEFAULT(UseUnalignedAccesses, false);
+   }
  }
  
  void VM_Version::print_features() {
    tty->print_cr("Version: %s cache_line_size = %d", cpu_features(), (int) get_cache_line_size());
  }