This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/32183] [4.3 Regression] reassoc2 can more extra calculations into a loop
- From: "dberlin at dberlin dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 10 Oct 2007 17:43:58 -0000
- Subject: [Bug tree-optimization/32183] [4.3 Regression] reassoc2 can more extra calculations into a loop
- References: <bug-32183-682@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #34 from dberlin at gcc dot gnu dot org 2007-10-10 17:43 -------
Subject: Re: [4.3 Regression] reassoc2 can more extra calculations into a loop
On 10 Oct 2007 08:58:00 -0000, steven at gcc dot gnu dot org
<gcc-bugzilla@gcc.gnu.org> wrote:
>
>
> ------- Comment #33 from steven at gcc dot gnu dot org 2007-10-10 08:57 -------
> What happened with the suggestion to only do this in reassoc2 (see comment
> #27)?
>
>
Yeah, i'm not sure why we just made both reassocs more expensive when
we only care what happens with the second.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32183