This is the mail archive of the gcc@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: gimple

From: "Diego Novillo" <dnovillo at google dot com>
To: "Dasarath Weeratunge" <dasarath at gmail dot com>
Cc: gcc at gcc dot gnu dot org
Date: Thu, 27 Mar 2008 20:34:44 -0400
Subject: Re: gimple
References: <610adb5f0803271655w4f5833bft9079f99d7d407d3f@mail.gmail.com>

On Thu, Mar 27, 2008 at 19:55, Dasarath Weeratunge <dasarath@gmail.com> wrote:
> Is it possible to map simplified source statements back to the
>  original source code in GCC?

Yes, using the debugging information associated with every statement.
Every statement has the file and line number of the original
statement.  See EXPR_FILENAME and EXPR_LINENO.

>  If this is not possible is it possible to stop the simplification
>  altogether and just retain the original
>  source tree in say DECL_SAVED_TREE(...) ? I tried removing tree
>  lowering passes but gcc still
>  seems to simplify the source.

No.  This is not possible.

Diego.

References:
- gimple
  - From: Dasarath Weeratunge

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