[ruby-cvs:61306] nobu:r54145 (trunk): gc.c: tick for POWER arch

[nobu at ruby-lang.org]

nobu	2016-03-17 17:14:53 +0900 (Thu, 17 Mar 2016)

  New Revision: 54145

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=54145

  Log:
    gc.c: tick for POWER arch
    
    * gc.c (tick): Use __builtin_ppc_get_timebase for POWER arch.
      [Fix GH-1291]
    
    This gives a little performance improvement
    
            user     system      total        real
    Before: 20.870000   0.000000  20.870000 ( 20.893959)
    After:  20.720000   0.000000  20.720000 ( 20.733970)

  Modified files:
    trunk/ChangeLog
    trunk/gc.c