This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: Missed optimizations: Constant propagation / algebraic simplification re-run after after reload.?
- From: Richard Henderson <rth at redhat dot com>
- To: Björn Haase <bjoern dot m dot haase at web dot de>
- Cc: gcc at gcc dot gnu dot org
- Date: Fri, 6 May 2005 20:07:45 -0700
- Subject: Re: Missed optimizations: Constant propagation / algebraic simplification re-run after after reload.?
- References: <200505062218.15370.bjoern.m.haase@web.de>
On Fri, May 06, 2005 at 10:18:15PM +0200, Björn Haase wrote:
> When implementing "lowering" of SImode and HImode expressions to QImode
> sequences by splitters after reload, quite a number of new optimization
> opportunities show up that presently are not realized.
No, the real problem is representational. We should be exposing
this earlier. I'll post something about this shortly...
r~