This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: Q's about use of is_gimple_reg_rhs/is_gimple_tmp_var
- From: Diego Novillo <dnovillo at redhat dot com>
- To: Richard Kenner <kenner at vlsi1 dot ultra dot nyu dot edu>
- Cc: "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
- Date: Tue, 17 Aug 2004 08:43:47 -0400
- Subject: Re: Q's about use of is_gimple_reg_rhs/is_gimple_tmp_var
- Organization: Red Hat Canada
- References: <10408171233.AA08838@vlsi1.ultra.nyu.edu>
On Tue, 2004-08-17 at 08:33, Richard Kenner wrote:
> But if we have an easy opportunity to do something higher up that will avoid
> later work, we should take it. These "early micro-optimizations", as you
> call them, have been a major part of GCC's success in the past, and I believe
> will continue to have that role in the future.
>
We certainly do early cleanups that need no data/control flow
information. So, as long as you don't go on duplicating optimizations
using inadequate data structures and/or algorithms, knock yourself out.
Diego.