[PATCH v3 5/5] math: Optimize frexpl (binary128) with fast path for normal numbers

[Wilco Dijkstra]

Hi Osama,
 
> Add fast path optimization for frexpl (128-bit IEEE quad precision) using
> a single unsigned comparison to identify normal floating-point numbers and
> return immediately via arithmetic on the exponent field.

Looks great now - thanks!

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

Cheers,
Wilco