Thread (22 messages) 22 messages, 5 authors, 2026-07-09

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

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From: Madhavan Srinivasan <maddy@linux.ibm.com>
Date: 2026-07-09 06:01:01
Also in: lkml, llvm, rust-for-linux

On 6/26/26 3:47 PM, Miguel Ojeda wrote:
On Fri, Jun 26, 2026 at 8:50 AM Mukesh Kumar Chaurasiya
[off-list ref] wrote:
quoted
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
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