Add framework for ppc64 support.  Apologies in advance for the
inevitable breakage to other platforms.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@5250 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/m_transtab.c b/coregrind/m_transtab.c
index bf57d09..d8f671a 100644
--- a/coregrind/m_transtab.c
+++ b/coregrind/m_transtab.c
@@ -734,7 +734,7 @@
 
 static void invalidate_icache ( void *ptr, Int nbytes )
 {
-#  if defined(VGA_ppc32)
+#  if defined(VGA_ppc32) || defined(VGA_ppc64)
    Addr startaddr = (Addr) ptr;
    Addr endaddr   = startaddr + nbytes;
    Addr cls;