[PATCH] aarch64: Improve codegen in SVE tans

[Wilco Dijkstra]

Hi Luna,

> Improves memory access.
> Tan: movprfx 7 -> 2, ld1rd 12 -> 5, move mov away from RET.
> Tanf: mov 2 -> 1, movprfx 6 -> 3, ld1rw 5 -> 4, move mov away from RET.

OK - committed.

Cheers,
Wilco