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[Bug tree-optimization/17790] [4.0 Regression] Significant compile time increases for sixtrack with tree LICM and IV optimization
- From: "rakdver at atrey dot karlin dot mff dot cuni dot cz" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 2 Feb 2005 08:38:22 -0000
- Subject: [Bug tree-optimization/17790] [4.0 Regression] Significant compile time increases for sixtrack with tree LICM and IV optimization
- References: <20041002022458.17790.dberlin@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From rakdver at atrey dot karlin dot mff dot cuni dot cz 2005-02-02 08:38 -------
Subject: Re: [4.0 Regression] Significant compile time increases for sixtrack with tree LICM and IV optimization
> Any news here? This is one of the more serious compile time problems
> in GCC4, I've seen a number of cases where these passes are high up in
> the profile.
As for ivopts, the problems reported under this PR are solved. So if
you have a testcase where ivopts eat more than 1% of time without a good
reason, please let me know.
I will try to update and resend the patch for inefficiency in store
motion.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17790