Re: Rust in Qemu BoF followup: Rust vs. qemu platform support

[Richard Henderson]

On 9/17/21 4:03 AM, David Gibson wrote:
> > For sparc 32, it was added to support Gentoo at that time which didn't
> > switch to 64-bit yet (https://github.com/rust-lang/rust/pull/48297)
> >
> > For the past 2-3y, Gentoo sparc is now 64 bit. (like Debian apparently for
> > a while)
> >
> > But apparently, by lack of CI it was downgraded to Tier-3.
> >
> > Is it reasonable to officially drop support for sparc 32 in QEMU
> > too?
>
> As a qemu build arch I would say probably yes.

We dropped host support for sparcv8 (true 32-bit) a long time ago.
We only support sparcv9 in ilp32 (sparcv8plus) and lp64 (sparc64).

I'd be happy top drop sparcv8plus as well, because I haven't been able to test it for 
something like 2-3 years.


r~