[GHC] #12217: PowerPC NCG: Remove TOC save for calls.

[GHC]

#12217: PowerPC NCG: Remove TOC save for calls.
-------------------------------------+-------------------------------------
           Reporter:  trommler       |             Owner:
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:  8.0.2
          Component:  Compiler       |           Version:  8.0.1
  (NCG)                              |
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:  powerpc        |   Type of failure:  Runtime
                                     |  performance bug
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):  Phab:D2328     |         Wiki Page:
-------------------------------------+-------------------------------------
 On AIX and 64-bit Linux the TOC pointer is saved even before a call to a C
 function. This is redundant as the link editor takes care of saving the
 TOC pointer if necessary.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12217>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler