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Re: Fix to -O3 aliasing problems



  In message <10103121939.AA19031@vlsi1.ultra.nyu.edu>you write:
  > As discussed in the GCC list, there were two problems.  This fixes both.
  > I applied these to both the branch and mainline and tested on the mainline
  > on alphaev56 and on the branch with a bootstrap on ia32.
  > 
  > Mon Mar 12 14:05:32 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
  > 
  > 	* flow.c (insn_dead_p): Don't consider two memrefs equivalent
  > 	unless anti_dependence says they are.
  > 	* alias.c (objects_must_conflict): If neither has a type specified,
  > 	they must conflict.
Thanks.  I'll give it a whirl on my PAs.
jeff


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