[Bug target/47558] 163267 breaks exception traceback in xplor-nih

[dominiq at lps dot ens.fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47558

--- Comment #62 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2011-02-05 19:23:09 UTC ---
> ... FYI, I don't
> see why getting ___divdc3 fixed in time for Lion should be that difficult.

>From the audit trail of PR42333, this is not a bug but a choice of speed over
safety: the safe implementation of the complex division is not more accurate
that the fast/naive implementation when the later works, it just extend the
range for large/small values of the modulus. If you know that you data are in
the safe region, you may prefer the fast case.