[PATCH] AArch64: Fix instability in AdvSIMD sinh

Wilco Dijkstra Wilco.Dijkstra@arm.com
Thu Nov 6 18:55:07 GMT 2025


Hi Joe,

> Previously presence of special-cases in one lane could affect the
> results in other lanes due to unconditional scalar fallback. The old
> WANT_SIMD_EXCEPT option (which has never been enabled in libmvec) has
> been removed from AOR, making it easier to spot and fix
> this. No measured change in performance. This patch applies cleanly as
> far back as 2.41, however there are conflicts with 2.40 where sinh was
> first introduced.

OK - committed.

Reviewed-by: Wilco Dijkstra  <Wilco.Dijkstra@arm.com>

Cheers,
Wilco


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