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: [tree-ssa] Enable SSA DCE by default [patch]

From: Richard Henderson <rth at redhat dot com>
To: Diego Novillo <dnovillo at redhat dot com>
Cc: gcc-patches at gcc dot gnu dot org
Date: Sat, 8 Feb 2003 21:06:37 -0800
Subject: Re: [tree-ssa] Enable SSA DCE by default [patch]
References: <20030206194935.GA5229@tornado.toronto.redhat.com> <20030209045153.GA28394@tornado.toronto.redhat.com>

On Sat, Feb 08, 2003 at 11:51:53PM -0500, Diego Novillo wrote:
> - DCE was not considering VA_ARG_EXPRs inherently live.

That shouldn't be.  If you've modeled the first argument
as in-out, then you should be able to detect when the 
first argument is live afterward.


r~

Follow-Ups:
- Re: [tree-ssa] Enable SSA DCE by default [patch]
  - From: Diego Novillo
- Re: [tree-ssa] Enable SSA DCE by default [patch]
  - From: Diego Novillo

References:
- [tree-ssa] Enable SSA DCE by default [patch]
  - From: Diego Novillo
- Re: [tree-ssa] Enable SSA DCE by default [patch]
  - From: Diego Novillo

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