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Re: new alias sets from the backend




  In message <19980930160201.A20595@dot.cygnus.com>you write:
  > The only question then is what to do with 
  > 
  >   if ((MEM_IN_STRUCT_P (mem) && varies (mem_addr))
  >       || (MEM_IN_STRUCT_P (x) && varies (x_addr)))
  >     return 0;
  > 
  > which still affects va_arg stuff.  Does this stuff buy us
  > anything anymore?
Unknown at this point.  Certainly worth an experiment.

If we keep the MEM_IN_STRUCT_P stuff, we ought to make it dependent on strict
aliasing too.

jeff


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