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On 12/02/2011 06:35 AM, Richard Guenther wrote: > I see. As we do not explicitely model this dependency we probably > get lucky by the if (gimple_has_volatile_ops ()) bail-out; most > passes do. What are you talking about? Of course we do. > int > read_dependence (const_rtx mem, const_rtx x) > { > return MEM_VOLATILE_P (x) && MEM_VOLATILE_P (mem); > } et al. r~
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