[PATCH, rs6000] Process deferred rescans between mini-passes

[Segher Boessenkool]

Hi Bill,

On Wed, Oct 04, 2017 at 04:44:59PM -0500, Bill Schmidt wrote:
> The Power8 swap optimization pass contains a mini-pass to replace certain
> patterns prior to swap optimization proper.  In order for this not to
> distort the dataflow information for swap optimization, we should process
> all the deferred rescans between the two passes.  Currently that is not
> done.  This patch fixes that.
> 
> Bootstrapped and tested on powerpc64le-linux-gnu with no regressions.  Is
> this ok for trunk?

This is fine, thanks! (also for backports if you want those).


Segher