Re: [Qemu-devel] [PATCH 00/21] Sparc FPU/VIS improvements

[Blue Swirl]

On Tue, Oct 18, 2011 at 8:03 PM, Richard Henderson <address@hidden> wrote:
> On 10/18/2011 12:50 PM, Blue Swirl wrote:
>> Thanks. Unfortunately I'm not sure I'll be able to fix and push my
>> series before the freeze, because other than x86_64, none of the TCG
>> targets implement AREG0 free mode.
>
> Oh, I see, you've not actually left the "normal" load/store helpers
> in op_helper.c, and so the backends need fixing up for that feature.
>
> Can we leave only __ld/st_mmu in op_helper.c for now, so that we
> don't rely on changes to the other backends for 1.0?  It seems like
> all the other cleanups will Just Work, and there shouldn't be many
> conflicts otherwise.

You mean pushing all except the last one? That may be a nice
compromise. Could you review the patches?

> IIRC you measured both changes as in the noise of measurement.

Yes, but I'm not very happy with the result. The problem with laptops
is that the CPU speed varies and various SMM services can kick in or
something.