Widening vs PPro

[Richard Henderson]

On Wed, Apr 14, 1999 at 12:26:19AM -0600, Jeffrey A Law wrote:
> The more I think about it, the more I suspect that defining PROMOTE_MODE
> to force widening of all non-memory integer operations is probably the
> best way to deal with partial registers stalls for the x86 variants where
> it is an issue.
>
> It's probably worth an experiment for ...

You'd think, but it didn't seem to be the case in practice.  Even
when I only promoted HImode operations. 

Some more extensive benchmarking is certainly in order, but...


r~