[PATCH][Binutils][Arm] Backport hlt to all architectures.

[Tamar Christina]

Hi Nick,

> 
> > The Arm Architectural Reference Manual [1] doesn't explicitly mention
> > this
> 
> Is this going to change in a future update to the ARM ?  If not, then I think
> that it would be worth including a comment in the sources explaining that
> whilst the support for a HLT instruction for pre v8 architectures might look
> like an error, it is in fact correct.

I've asked for a note, however I don't know how likely this is as the Arm ARM
no longer shows which architectures an instruction is available in.  In the mean
time I'll add a comment in the source.

Thanks,
Tamar