First baby step towards ppc64 support. This adds a new -march=ppc64 backend

that is currently just like ppc32 :)

llvm-svn: 28813

1 files changed, 5 insertions, 1 deletions

diff --git a/llvm/lib/Target/PowerPC/PPCSubtarget.h b/llvm/lib/Target/PowerPC/PPCSubtarget.h
index 4f838741ad0..c98291e1620 100644
--- a/llvm/lib/Target/PowerPC/PPCSubtarget.h
+++ b/llvm/lib/Target/PowerPC/PPCSubtarget.h
@@ -44,7 +44,7 @@ public:
   /// This constructor initializes the data members to match that
   /// of the specified module.
   ///
-  PPCSubtarget(const Module &M, const std::string &FS);
+  PPCSubtarget(const Module &M, const std::string &FS, bool is64Bit);
   
   /// ParseSubtargetFeatures - Parses features string setting specified 
   /// subtarget options.  Definition of function is auto generated by tblgen.
@@ -59,6 +59,10 @@ public:
   /// selection.
   const InstrItineraryData getInstrItineraryData() const { return InstrItins; }
   
+  const char *getTargetDataString() const {
+    // FIXME: Make is64Bit be for the processor, not the target.
+    return true ? "E-p:32:32-d:32-l:32" : "E-p:64:64-d:32-l:32";
+  }
 
   bool hasFSQRT() const { return HasFSQRT; }
   bool hasSTFIWX() const { return HasSTFIWX; }