Re: [Qemu-devel] [PATCH 00/13] target/arm/kvm: enable SVE in guests

[Richard Henderson]

On 5/14/19 9:03 AM, Andrea Bolognani wrote:
> On Tue, 2019-05-14 at 14:53 +0200, Andrew Jones wrote:
>> We already have sve-max-vq, so I'm not sure we want to rename it.
> 
> Oh, I didn't realize that was the case. And of course it already
> takes a number of quadwords as argument, I suppose? That's pretty
> unfortunate :(
> 
> Perhaps we could consider deprecating it in favor of a user-friendly
> variant that's actually suitable for regular humans, like the one I
> suggest above?

Why is =4 less user-friendly than =512?

I don't actually see "total bits in vector" as more user-friendly than "number
of quadwords" when it comes to non-powers-of-2 like =7 vs =896 or =13 vs =1664.


r~