On Thu, 10 Dec 2009, Walter Bright wrote: > Don wrote: > > I had a further look at this. The compiler *is* creating doubles and floats > > as signalling NaNs. Turns out, that there are slight differences between > > processors in the way they treat signalling NaNs, especially between Intel > > vs AMD. Intel Core2 triggers SNANs when loading floats & doubles, but > > *doesn't* trigger for 80-bit SNANs. The Pentium M that I did most of my > > testing on, didn't trigger for any of them. AMD's docs say that it triggers > > for all of them. > > Won't be too hard to fix. > > > How do we fix the CPU? ;-)
A soldering iron with a really sharp point? Or maybe a sledgehammer.