Pipe vs. plane fixes (hopefully third time's the charm)

Roland Dreier roland.list at gmail.com
Thu Sep 13 10:36:35 PDT 2007

> We already have to read a few registers on this path though, so any
> added cost should be hard to measure...

I would assume that register reads are not posted, so every one ends up
getting serialized and every additional read would hurt a lot, unless you're
on a path where performance doesn't matter anyway.

 - R.

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