Messages in this thread |  | | Date | Wed, 20 Sep 2000 11:38:24 -0500 | From | Timur Tabi <> | Subject | Re: Question: Using floating point in the kernel |
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** Reply to message from "Lyle Coder" <x_coder@hotmail.com> on Wed, 20 Sep 2000 01:50:05 GMT
> You cannot use MMX registers in the kernel either, since the kernel doesen't > save and restore FX state (fxsave, fxrstor) either (just like > (fsave/frstor).
But what about these source files:
include/asm-i386/mmx.h (which several other header files, like asm-i386/page.h, include) arch/i386/lib/mmx.c arch/i386/lib/usercopy.c
It appears that MMX is being used in the kernel already.
-- Timur Tabi - ttabi@interactivesi.com Interactive Silicon - http://www.interactivesi.com
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