This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/18076] Missed jump threading optimization
- From: "law at redhat dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 25 Apr 2005 05:02:14 -0000
- Subject: [Bug tree-optimization/18076] Missed jump threading optimization
- References: <20041020120337.18076.steven@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From law at redhat dot com 2005-04-25 05:02 -------
Subject: Re: Missed jump threading
optimization
On Sat, 2005-04-23 at 16:54 +0000, steven at gcc dot gnu dot org wrote:
> ------- Additional Comments From steven at gcc dot gnu dot org 2005-04-23 16:54 -------
> Nice. And indeed surprising that the RTL DSE doesn't catch that trivially
> dead store. Should I open a separate bug report for that?
Your call. Or we could just link this bug into the existing DSE bug.
I think we'd be better off improving the tree DSE rather than the RTL
stuff. This one is something we really should be catching before
we hand the code off to the RTL expanders.
jeff
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18076