[PATCH] [aarch64] Remove obsolete comment about X30

[James Greenhalgh]

On Wed, Jun 20, 2018 at 04:41:18AM -0500, Siddhesh Poyarekar wrote:
> On 06/19/2018 09:11 PM, James Greenhalgh wrote:
> > On Mon, Jun 18, 2018 at 08:43:04AM -0500, Siddhesh Poyarekar wrote:
> >> r217431 changed X30 as caller-saved in CALL_USE_REGISTERS because of
> >> which this comment about X30 not being marked as call-clobbered is no
> >> longer accurate.
> > 
> > Is the second paragraph is still relevant to how we define EPILOGUE_USES?
> 
> It is, but it is essentially a repetition of the comment directly above 
> EPILOGUE_USES.
> 
> > Possibly I'd rewrite the comment to explain the behaviour around calls and
> > how they interact with x30.
> 
> How about this then:

OK,

Thanks,
James