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Visual Studio Debugger - Visualising Intel Quadruple precision (_Quad)

Hello,

I'm using Intel C++ Compiler from within Visual Studio 2008. I was experimenting with the Intel quadruple precision type (_Quad). Everything seems to be working fine, except for the debugging. Visual Studio visualiser is unable to peek into _Quad values.

What's worse, the visualiser is unable to provide the type information about the _Quad value, giving enigmatic three question marks: ??? (as on the attached screenshot)

Debugger Visualiser

The value is 0 while it should be something else.

Would appreciate some hints on how to attack this puzzle. To work with autoexp.dat I need the VS to pickup the type, don't I?

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