Re: [PATCH 0/2] tcg/aarch64: Fixes to vector ops

[Peter Maydell]

On Sat, 20 Feb 2021 at 21:29, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> I guess it has been a while since I've run aa32 risu on aa64 host.
>
> The launchpad bug is something that should have been seen from the
> beginning, but the similar aa64 operations are expanded as integer
> code, not vector code.  The aa32 neon code has only recently been
> converted to use gvecs.
>
> The cmle0 (zero) bug has been exposed by the recent constant
> propagation improvements; previously we saw a reg/reg compare.

Idle thought: would it be possible to have a test framework that
exercised the TCG backend without being dependent on a particular
guest frontend?

thanks
-- PMM