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Re: [Bug tree-optimization/32183] [4.3 Regression] reassoc2 can more extra calculations into a loop
- From: "Daniel Berlin" <dberlin at dberlin dot org>
- To: gcc-bugzilla at gcc dot gnu dot org
- Cc: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 10 Oct 2007 13:43:44 -0400
- Subject: Re: [Bug tree-optimization/32183] [4.3 Regression] reassoc2 can more extra calculations into a loop
- References: <bug-32183-682@http.gcc.gnu.org/bugzilla/> <20071010085800.14086.qmail@sourceware.org>
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.