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[Bug tree-optimization/15524] [4.0 Regression] jump threading on trees is slow with switch statements with large # of cases
- From: "law at redhat dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 21 Nov 2004 22:18:33 -0000
- Subject: [Bug tree-optimization/15524] [4.0 Regression] jump threading on trees is slow with switch statements with large # of cases
- References: <20040518194300.15524.pinskia@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From law at redhat dot com 2004-11-21 22:18 -------
Subject: Re: [4.0 Regression] jump threading
on trees is slow with switch statements with large # of cases
On Sun, 2004-11-21 at 21:55 +0000, pinskia at gcc dot gnu dot org wrote:
> ------- Additional Comments From pinskia at gcc dot gnu dot org 2004-11-21 21:55 -------
> This is now back to 3.3 timings so closing, I filed PR 18601 for another case where tree cfg cleanup is
> slow, it is a variant of this testcase but I have seen the same problem in another testcase but I cannot
> remember which one.
Don't close yet. There's still some fat to be trimmed.
jeff
>
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15524