Re: Performance comparison of gcc releases

[Dale Johannesen <dalej at apple dot com>]

On Dec 16, 2005, at 10:31 AM, Dan Kegel wrote:

> Ronny Peine wrote:
> > > > -ftree-loop-linear is removed from the testingflags in gcc-4.0.2 
> > > > because
> > > > it leads to an endless loop in neural net in nbench.
> > >
> > > Could you fill a bug report for this one?
> >
> > Done.

This is probably the same as 20256.

> Your PR is a bit short on details.  For instance, it'd be nice to
> include a link to the source for nbench, so people don't have
> to guess what version you're using.  Was it
>   http://www.tux.org/~mayer/linux/nbench-byte-2.2.2.tar.gz
> ?
>
> It'd be even more helpful if you included a recipe a sleepy person
> could use to reproduce the problem.  In this case,
> something like
>
> wget http://www.tux.org/~mayer/linux/nbench-byte-2.2.2.tar.gz
> tar -xzvf nbench-byte-2.2.2.tar.gz
> cd nbench-byte-2.2.2
> make CC=gcc-4.0.1  CFLAGS="-ftree-loop-linear"
>
> Unfortunately, I couldn't reproduce your problem with that command.
> Can you give me any tips?
>
> Finally, it's helpful when replying to the list about filing a PR
> to include the PR number or a link to the PR.
> The shortest link is just gcc.gnu.org/PR%d, e.g.
>    http://gcc.gnu.org/PR25449
> - Dan
>
> --
> Wine for Windows ISVs: http://kegel.com/wine/isv