[PATCH v2 2/3] scripts: generate_rust_target: enable building on RISC-V

[Conor Dooley]

On Tue, Feb 27, 2024 at 01:12:51PM +0100, Miguel Ojeda wrote:
> On Tue, Feb 27, 2024 at 12:05 PM Conor Dooley
> <conor.dooley at microchip.com> wrote:
> >
> > My point though was more
> > that either this was acceptable for v6.9 or would be v6.10 material
> > with the same mechanism as arm64. Rebasing after v6.9-rc1 but not
> > adapting to that way of doing things is what seemed silly to me, since
> > if a resend is required then the other improvements should be carried
> > out at the same time.
> 
> If avoiding the `target.json` is possible, definitely.
> 
> I didn't want to assume it is, though -- e.g. the native integer
> widths you have is 64 but the built-in targets use 32:64 (perhaps
> there is a way to tweak it with an LLVM param via `-Cllvm-args`, but I
> don't see any obvious way from a quick look; `opt` does have it,
> though).

Looking closer at those targets, all of them enable compressed
instructors, but we support hardware that does not support them.
I think that means we are stuck with the custom targets.

I could badger Palmer to pick this up tomorrow, provided you're okay
with the gist of this series.

Cheers,
Conor.
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