Linux and FPU

[Evgeniy Ivanov]

Hello,

Can somebody point me to some general places, where I can look on how FPU 
support is implemented. I understand that there is not one place, where things 
done, the only I know, that there should be places for detecting FPU hardware 
and places with assembly routines for pushing around floating point registers, 
assembly/C-hybrid code for handling floating point exceptions.
I'm interesting mostly in x86 (386) things, not other architectures.

If you know some good docs, please point me to them.

P.S. Sorry if it's a wrong list to ask such questions.


-- 
Best regards, Evgeniy.
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