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Re: [patch] alias.c: Replace "return NULL_RTX" with "return 0".

From: Jason Merrill <jason at redhat dot com>
To: Alexandre Oliva <aoliva at redhat dot com>
Cc: Jakub Jelinek <jakub at redhat dot com>, Zack Weinberg <zack at codesourcery dot com>, Fergus Henderson <fjh at cs dot mu dot oz dot au>, Kazu Hirata <kazu at cs dot umass dot edu>, gcc-patches at gcc dot gnu dot org
Date: Thu, 12 Jun 2003 18:31:23 -0400
Subject: Re: [patch] alias.c: Replace "return NULL_RTX" with "return 0".
References: <20030612.141353.55502198.kazu@cs.umass.edu><20030612184112.GD8506@mars.cs.mu.oz.au><87of133zoz.fsf@egil.codesourcery.com><20030612185541.GE8506@mars.cs.mu.oz.au><wvlel1zcb5t.fsf@prospero.boston.redhat.com><87k7br3vem.fsf@egil.codesourcery.com><wvl65nbcabr.fsf@prospero.boston.redhat.com><87fzmf3t2h.fsf@egil.codesourcery.com><20030612174206.E15481@devserv.devel.redhat.com><ork7brc6ae.fsf@free.redhat.lsd.ic.unicamp.br>

On 12 Jun 2003 18:52:41 -0300, Alexandre Oliva <aoliva@redhat.com> wrote:

> On Jun 12, 2003, Jakub Jelinek <jakub@redhat.com> wrote:
>
>> Such platform would certainly define NULL to (void *) 0
>
> This is allowed by the C Standard, but not by the C++ Standard, for
> example.

...which is why we have __null in the C++ front end.

Jason

References:
- [patch] alias.c: Replace "return NULL_RTX" with "return 0".
  - From: Kazu Hirata
- Re: [patch] alias.c: Replace "return NULL_RTX" with "return 0".
  - From: Fergus Henderson
- Re: [patch] alias.c: Replace "return NULL_RTX" with "return 0".
  - From: Zack Weinberg
- Re: [patch] alias.c: Replace "return NULL_RTX" with "return 0".
  - From: Fergus Henderson
- Re: [patch] alias.c: Replace "return NULL_RTX" with "return 0".
  - From: Jason Merrill
- Re: [patch] alias.c: Replace "return NULL_RTX" with "return 0".
  - From: Zack Weinberg
- Re: [patch] alias.c: Replace "return NULL_RTX" with "return 0".
  - From: Jason Merrill
- Re: [patch] alias.c: Replace "return NULL_RTX" with "return 0".
  - From: Zack Weinberg
- Re: [patch] alias.c: Replace "return NULL_RTX" with "return 0".
  - From: Jakub Jelinek
- Re: [patch] alias.c: Replace "return NULL_RTX" with "return 0".
  - From: Alexandre Oliva

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