Re: [PATCH V16 4/7] rust/powerpc: Set min rustc version for powerpc

Madhavan Srinivasan <[email protected]> Thu, 9 Jul 2026 11:30:14 +0530

Newsgroups	dev.linux.lists.llvm,org.kernel.vger.linux-kernel,org.kernel.vger.rust-for-linux,org.ozlabs.lists.linuxppc-dev
Message-ID	<[email protected]>

On 6/26/26 3:47 PM, Miguel Ojeda wrote:
> On Fri, Jun 26, 2026 at 8:50 AM Mukesh Kumar Chaurasiya
> <[email protected]> wrote:
>> This corresponds to a floating point instruction. Although we have
>> disabled fpu, vsx and altivec we are still generating these. Seems like
>> we have some issue with the rustc here. I didn't dive deeper into this.
>>
>> Is it ok if we keep 1.95 as base for powerpc64le?
> It may be that it is generated but unused (we have that issue
> elsewhere -- see e.g. `rust/compiler_builtins.rs`).
>
> Having said that, if 1.95 is fine for the powerpc arch maintainers,
> then that is fine (s390 also used a higher minimum -- please see the
> recent change in `scripts/min-tool-version.sh`).
Missed to response here. Yes I think 1.95 is fine and have requested
to post a v17 which is already done. Will pull that for the -next

Maddy