First baby step towards ppc64 support.  This adds a new -march=ppc64 backend
that is currently just like ppc32 :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28813 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCSubtarget.cpp b/lib/Target/PowerPC/PPCSubtarget.cpp
index 0ef85df..607771b 100644
--- a/lib/Target/PowerPC/PPCSubtarget.cpp
+++ b/lib/Target/PowerPC/PPCSubtarget.cpp
@@ -69,7 +69,7 @@
 #endif
 
 
-PPCSubtarget::PPCSubtarget(const Module &M, const std::string &FS)
+PPCSubtarget::PPCSubtarget(const Module &M, const std::string &FS, bool is64Bit)
   : StackAlignment(16)
   , InstrItins()
   , IsGigaProcessor(false)