[PATCH 1/2] aarch64: Improve codegen for SVE logs

[Wilco Dijkstra]

Hi Long,

> Reduce memory access by using lanewise MLA and moving constants to struct
> and reduce number of MOVPRFXs.
> Update maximum ULP error for double log_sve from 1 to 2.
> Speedup on Neoverse V1 for log (3%), log2 (5%), and log10 (4%).
> ---
> OK for master? If so please commit for as I don't have commit rights.

OK - committed.

Cheers,
Wilco