I use the Intel C ++ compiler from Visual Studio 2008. I experimented with four Intel precision points ( _Quad). Everything seems to be working fine except for debugging. The Visual Studio visualizer cannot look at the values _Quad.
Even worse, the visualizer cannot provide type information about the value _Quadby asking mysterious three question marks: ???(as in the attached screenshot)

Meaning 0, while it should be something else.
It would take some hints on how to attack this puzzle. To work with autoexp.datme, I need VS to select a type, right?