Re: FP in kernelspace

[Jan Engelhardt]

>
> Cannot work on x86-64, even disregarding fp exceptions, because
> kernel_fpu_begin() doesn't save the sse state which is used by fp math.
>
> No?

No. You can - if you want - exclusively use x87 math on x64 (at least for 
userspace) and don't care about SSE. Otherwise, GCC having a -mfpmath=387 
would be pretty useless.

No?


Jan Engelhardt
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