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: Deletion of trivial insn during IRA

From: paulo at matos-sorge dot com (Paulo J. Matos)
To: gcc at gcc dot gnu dot org
Date: Tue, 04 Oct 2011 09:00:35 +0100
Subject: Re: Deletion of trivial insn during IRA
References: <86ehyub9zy.fsf@pm18pc01.europe.root.pri> <mcr8vp1zuvk.fsf@coign.corp.google.com>

Ian Lance Taylor <iant@google.com> writes:

> paulo@matos-sorge.com (Paulo J. Matos) writes:
>
>> I am trying to find where IRA, is deleting trivial insn like:
>> (set r1 r1)
>
> Search for "Discard obvious no-ops" in the function reload in the file
> gcc/reload1.c.

Thanks, that's exactly it. 

-- 
PMatos

References:
- Deletion of trivial insn during IRA
  - From: Paulo J. Matos
- Re: Deletion of trivial insn during IRA
  - From: Ian Lance Taylor

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