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Re: Change to readonly conflict handling
- To: kenner at vlsi1 dot ultra dot nyu dot edu (Richard Kenner)
- Subject: Re: Change to readonly conflict handling
- From: Geoff Keating <geoffk at cygnus dot com>
- Date: 17 Sep 2000 14:28:04 -0700
- CC: gcc-patches at gcc dot gnu dot org
- References: <10009171556.AA11105@vlsi1.ultra.nyu.edu>
kenner@vlsi1.ultra.nyu.edu (Richard Kenner) writes:
> This is a patch I didn't like putting in because it will pessimize the
> code slightly, but I don't see any way around it. Other approaches
> are very much welcome.
>
> Sun Sep 17 11:45:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
>
> * alias.c (true_dependence): Allow non-unchanging read to conflict
> with unchanging write.
Do you have a test case?
--
- Geoffrey Keating <geoffk@cygnus.com>