src/share/vm/c1/c1_GraphBuilder.cpp

rev 9031 : 8138894: C1: Support IRIW on weak memory platforms
Reviewed-by:

*** 1436,1446 ****
      call_register_finalizer();
    }
  
    bool need_mem_bar = false;
    if (method()->name() == ciSymbol::object_initializer_name() &&
!       (scope()->wrote_final() || (AlwaysSafeConstructors && scope()->wrote_fields()))) {
      need_mem_bar = true;
    }
  
    // Check to see whether we are inlining. If so, Return
    // instructions become Gotos to the continuation point.
--- 1436,1448 ----
      call_register_finalizer();
    }
  
    bool need_mem_bar = false;
    if (method()->name() == ciSymbol::object_initializer_name() &&
!       (scope()->wrote_final() || (AlwaysSafeConstructors && scope()->wrote_fields())
!                               || (support_IRIW_for_not_multiple_copy_atomic_cpu && scope()->wrote_volatile())
!      )){
      need_mem_bar = true;
    }
  
    // Check to see whether we are inlining. If so, Return
    // instructions become Gotos to the continuation point.
*** 1552,1561 ****
--- 1554,1566 ----
      scope()->set_wrote_final();
    }
  
    if (code == Bytecodes::_putfield) {
      scope()->set_wrote_fields();
+     if (field->is_volatile()) {
+       scope()->set_wrote_volatile();
+     }
    }
  
    const int offset = !needs_patching ? field->offset() : -1;
    switch (code) {
      case Bytecodes::_getstatic: {