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Re: 3.0-pre vs 3.0 on Haney speed
- To: Joern Rennecke <amylaar at redhat dot com>, "pcarlini at unitus dot it" <pcarlini at unitus dot it>
- Subject: Re: 3.0-pre vs 3.0 on Haney speed
- From: Mark Mitchell <mark at codesourcery dot com>
- Date: Tue, 26 Jun 2001 10:16:08 -0700
- cc: Andi Kleen <ak at suse dot de>, "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>, "jbuck at synopsys dot com" <jbuck at synopsys dot com>, "dnovillo at redhat dot com" <dnovillo at redhat dot com>
--On Tuesday, June 26, 2001 06:42:20 AM +0100 Joern Rennecke
<amylaar@redhat.com> wrote:
> Could it be related to this patch?
>
> 2001-06-09 Mark Mitchell <mark@codesourcery.com>
>
> * toplev.c (rest_of_compilation): Remove dead code before
> purge_addressof.
>
That patch was only in the tree for a few brief days: it was a huge win,
except that it didn't work. So, if someone benchmarked during the time
it was in, that would explain seeing better results than in the actual
3.0. Also, we turned off sibling call optimizations for C++ in the
final weeks before 3.0.
--
Mark Mitchell mark@codesourcery.com
CodeSourcery, LLC http://www.codesourcery.com