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[Bug tree-optimization/43629] [4.3/4.4/4.5 Regression] Struct to register optimization fails
- From: "rguenther at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 2 Apr 2010 15:04:54 -0000
- Subject: [Bug tree-optimization/43629] [4.3/4.4/4.5 Regression] Struct to register optimization fails
- References: <bug-43629-18994@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from rguenther at suse dot de 2010-04-02 15:04 -------
Subject: Re: [4.3/4.4/4.5 Regression] Struct
to register optimization fails
On Fri, 2 Apr 2010, julien dot etienne at gmail dot com wrote:
> ------- Comment #4 from julien dot etienne at gmail dot com 2010-04-02 15:03 -------
> What about using -O1 -fno-tree-ccp as a workaround rather than -O1
> -fno-tree-rsa ?
> Isn't it more efficient and more related to the root cause ?
>
> Thanks for your help.
>
> FYI: I was unable to check out the trunk due to firewall restriction (even on
> http). I will try it from another connection.
Disabling constant propagation is going to affect code quality a lot
more (and might uncover latent bugs). Anyway, I have a patch for
trunk already.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43629