[Bug 1740] Change PowerPC multi-libs for e200 and e500 cores

bugzilla-daemon at rtems.org bugzilla-daemon at rtems.org
Fri Feb 25 13:37:09 UTC 2011


--- Comment #19 from dufault at hda.com 2011-02-25 07:37:07 CST ---
(In reply to comment #18)
> This is similar to cases in both the MIPS, 68040, and 68060.  If you don't have
> an exception handler installed for extra precision and some operations, you
> aren't IEEE754 compatible. 
In this particular case it's the behavior associated with infinities, NaN,
denormalized, etc.  It uses simple-minded replacements that are usually
appropriate that will certainly break carefully crafted math codes and, I
think, ideal models that work fine with IEEE can break and need to be

> I have emailed the authors of the exception package asking for a license
> change.  Until we get the exception code, I guess this is caveat emptor.

Agreed.  It shouldn't hold up proceeding on adding it to the CVS tree.

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