eieio rule-of-thumb?

[Allen Curtis]

> The Enforce In-Order Execution of I/O (eieio) instruction is used to
> ensure memory
> reordering of noncacheable memory access. Since the 603e does not
> reorder
> noncacheable memory accesses, the eieio instruction is treated as a
> no-op.

That make me feel better for my processor anyway....

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