RFR(S): 8129757: ppc/aarch: Fix passing thread to runtime after "8073165: Contended Locking fast exit bucket."

[Lindenmaier, Goetz]

Hi,

Change 8073165 added a new argument to complete_monitor_unlocking_C(): the current thread. Moving this value into the argument registers before the runtime call issued in the native wrapper was missing on ppc and aarch.

Please review this change:
http://cr.openjdk.java.net/~goetz/webrevs/8129757-unlock/webrev-01/

Edward Nevill already had a look at the aarch changes and tested them.

Best regards,
  Goetz.