[Bug middle-end/19953] Special-case real + complex arithmetic operation (-ffast-math)

[Thomas dot Koenig at online dot de]

------- Additional Comments From Thomas dot Koenig at online dot de  2005-02-15 10:29 -------

> And in fact this only can happen with -funsafe-math-optimizations (or maybe
with -fno-trapping-
> math because a+0.0 can trap.

Hmm...

if b is complex and has the value (0., signalling NaN) and a is
real with the value 1.0, should a+b trap?  I don't think so, but I'm
open to discussion on that point.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19953