[Flac-dev] AMD debugging test files available

[Josh Coalson]

--- Matt Zimmerman <mdz at debian.org> wrote:
> On Fri, Aug 16, 2002 at 11:14:01AM -0700, Josh Coalson wrote:
> 
> > --- Josh Coalson <xflac at yahoo.com> wrote:
> > >...
> > > If anyone with a similar set up can read the comments in the
> > > following bug reports and do some investigation it would really
> > > help a lot.  I would like to hear about setups that are working
> > > as much as ones that aren't.
> > 
> > OK, someone with a Duron has uploaded some test files which
> > reproduce errors in the same spot, but sporadically, on Linux too.
> > His comments and files are here:
> > 
> >
>
http://sourceforge.net/tracker/index.php?func=detail&aid=595858&group_id=13478&atid=113478
> 
> I am able to reproduce this on my system.  I am of course using the
> same
> Debian packaged binary, and the test files from the bug tracker.  It
> does
> not happen every time.  Sometimes I can get the failure in a few
> tries, and
> sometimes I run several hundred iterations with no problems.

In wierd way this is almost a relief.  :)

These are the things I would suspect, in order:

* 3DNOW code (configure --enable-3dnow, turned off by default,
  but I'm not sure how the package was built)
* Other IA32 assembly code (on by default)
* gcc -march=? (AMD-specific optimizations?)
* Pointer aliasing vs. gcc3 (I would think this would show up
  on other architectures.  I have not built with gcc3 yet.
  The pointer aliasing rules are new to me; there is pointer
  aliasing in flac and the plugins)

After that I'm not sure...

Josh


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