| From: | Frank Wille |
| Date: | 20 Feb 2001 at 21:12:17 |
| Subject: | Re: Morph into Warp |
Achim Stegemann wrote:
> >> There is a new environment variable in WOS V5: powerpc/EnAlignExc.
> >> Set it to "1" and you will get rid of the annoying floating point
> >> alignment exception handler forever.
> >
>
> I have tried this ENV-variable (set to "1") with the result, that it
> ENABLES the exception-handler (lots of proggies using
> floating-calculations freeze).
No. It disables the alignment exception handler. Now misaligned
data accesses will cause an exception.
> I suppose we better leave this
> ENV-variable untouched (deleted or set to "0").
As a developer I would set it to "1", to make sure that your
programs don't cause any exception. Otherwise there is no way to
find this out. Your programs will only show a small performance
degradation.