64 bit memory access - again ...

[Dan Malek]

Shie Erlich wrote:


> the FPU solution does work, however (and thanks for the pointers) - but if
> my
> function saves the fpu registers and restores them, do i really need to
> force
> the kernel to context switch the fpu ?

You have to be careful that moving the bits in/out of the FP register
doesn't have other side effects in FP status or condition codes.  Always
saving/restoring the context will guarantee the application doesn't see
these side effects, but you can experiment if you wish.

Good Luck.


	-- Dan


** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/