[RTEMS Project] #2805: Use SPRG0 on PowerPC for current per-CPU control (SMP only)

[RTEMS trac]

#2805: Use SPRG0 on PowerPC for current per-CPU control (SMP only)
-----------------------------+-----------------------------
 Reporter:  sebastian.huber  |      Owner:  sebastian.huber
     Type:  enhancement      |     Status:  new
 Priority:  normal           |  Milestone:  4.12
Component:  SMP              |    Version:  4.12
 Severity:  normal           |   Keywords:
-----------------------------+-----------------------------
 Add _CPU_Get_current_per_CPU_control() on SMP configurations as an
 optimization for PowerPC.  Use SPRG0 for the current per-CPU control.
 This reduces the code size a bit and is slightly faster in some
 benchmarks.

--
Ticket URL: <http://devel.rtems.org/ticket/2805>
RTEMS Project <http://www.rtems.org/>
RTEMS Project