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Re: Paradoxical subreg in compare
- To: Alexandre Oliva <aoliva at cygnus dot com>
- Subject: Re: Paradoxical subreg in compare
- From: Jeffrey A Law <law at cygnus dot com>
- Date: Mon, 29 May 2000 13:53:03 -0600
- cc: gcc-patches at gcc dot gnu dot org
- Reply-To: law at cygnus dot com
In message <oraeh92ord.fsf@saci.lsd.ic.unicamp.br>you write:
> On May 29, 2000, Jeffrey A Law <law@cygnus.com> wrote:
>
> > In message <orsnv245h7.fsf@saci.lsd.ic.unicamp.br>you write:
>
> > Then you need to be looking to fix reload inheritance, not combine.
> > Combine's actions are OK given the current state of register_operand
> > and friends.
>
> Ok, so, of the three relevant steps in my message, which one do you
> think is the wrong one?
I do not know, I havne't looked into them in detail. I do know that the
code combine created is reasonable. Thus the fix isn't in combine, but
in whatever code is not handling the paradoxical subreg correctly.
jeff