For statically scheduled superscalars that don't perform fusion, which
is probably the common choice for statically scheduled designs, this
change will generally be a deoptimization. For dynamically scheduled
designs that don't perform fusion, it's probably more or less neutral.
Not sure how these
One thing I forgot to bring up in the patchwork meeting yesterday.
Philip or Craig asked if we should add the most basic fusions to the
generic tuning models for the two toolchains.
I'm generally in favor of making that kind of change. I don't think
anyone believes it'd be a major performanc
