[PATCH v2 02/13] x86: Add __issignalingl inline

[Wilco Dijkstra]

Hi Adhemerval,

> Checked on x86_64-linux-gnu.

That feels like a weird commit message, but it's OK to fix that on
commit.

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

Cheers,
Wilco