floor operation problem

[bearophile]

David Nadlinger:

> I don't think Marco is building his C executable with 
> -ffast-math.

Showing the asm is a good way to understand what's going on in 
those 64 bit builds.


> We should definitely be able to provide a switch to enable the 
> same unsafe/wrong FP optimizations in LDC as well.

So is this floor problem caused by those (missing) FP 
optimizations? :-)

Bye,
bearophile