This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: [patch] Preserve return statements at -O0

From: Eric Botcazou <ebotcazou at adacore dot com>
To: Steven Bosscher <stevenb dot gcc at gmail dot com>
Cc: gcc-patches at gcc dot gnu dot org
Date: Wed, 6 Apr 2011 20:23:39 +0200
Subject: Re: [patch] Preserve return statements at -O0
References: <201104060857.10184.ebotcazou@adacore.com> <BANLkTi=4LgK7sDoBaVj+hKxDo+47jfM0iA@mail.gmail.com>

> Isn't one of the effects of this patch to generate debug info for the
> artificial label decl?

No, DECL_IGNORED_P is preserved on the label decl.

> When I first saw your patch, I thought "FORCED_LABEL()", perhaps I'm
> not sure that it's any better than your solution... Have you tried
> that?

No, that isn't necessary at -O0 IMO, user labels are explicitly preserved.

-- 
Eric Botcazou

References:
- [patch] Preserve return statements at -O0
  - From: Eric Botcazou
- Re: [patch] Preserve return statements at -O0
  - From: Steven Bosscher

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]