On Thu, 2016-15-09 at 09:03:21 UTC, Nicholas Piggin wrote:
> The mflr r10 instruction was left over saving of lr when the code used
> lr to branch to system_call_entry from the exception handler. That was
> changed by 6a404806d to use the count register. The value is never used
> now, so mflr can b
On 15/09/16 19:03, Nicholas Piggin wrote:
> The mflr r10 instruction was left over saving of lr when the code used
> lr to branch to system_call_entry from the exception handler. That was
> changed by 6a404806d to use the count register. The value is never used
> now, so mflr can be removed, and
The mflr r10 instruction was left over saving of lr when the code used
lr to branch to system_call_entry from the exception handler. That was
changed by 6a404806d to use the count register. The value is never used
now, so mflr can be removed, and r10 can be used for storage rather than
spilling to
