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Re: [PATCH] rs6000: Separate shrink-wrapping for FPRs
On Thu, May 18, 2017 at 02:49:51PM -0500, Peter Bergner wrote:
> On 5/18/17 12:51 PM, Segher Boessenkool wrote:
> > This patch implements separate shrink-wrapping for the non-volatile
> > floating point registers (FPR14..FPR31). It is pretty much exactly
> > analogous to the code for GPRs.
> >
> > This has been tested on powerpc64-linux {-m32,-m64} for many months
> > now; I'll do one final test on powerpc64le-linux before committing.
> >
> > Do we want this before or after SPE is split off?
>
> Isn't this a nop on SPE, since SPE's FP values live in GPRs?
> If so, I would do whatever makes the job of committing the SPE
> split easier.
Well, that was the question :-) I suppose it doesn't really matter
either way; the powerpcspe port has to deal with the SWS code that is
already there, and this patch is just more of the same.
Segher