Do the right thing and enable 64 bit regs under the control of a subtarget
option.  Currently the only way to enable this is to specify the
64bitregs mattr flag.  It is never enabled by default on any config yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23779 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCSubtarget.h b/lib/Target/PowerPC/PPCSubtarget.h
index 03fcba0..9d0edf5 100644
--- a/lib/Target/PowerPC/PPCSubtarget.h
+++ b/lib/Target/PowerPC/PPCSubtarget.h
@@ -30,6 +30,7 @@
   /// Used by the ISel to turn in optimizations for POWER4-derived architectures
   bool IsGigaProcessor;
   bool Is64Bit;
+  bool Has64BitRegs;
   bool HasFSQRT;
   bool IsAIX;
   bool IsDarwin;
@@ -49,6 +50,7 @@
   bool isAIX() const { return IsAIX; }
   bool isDarwin() const { return IsDarwin; }
   bool is64Bit() const { return Is64Bit; }
+  bool has64BitRegs() const { return Has64BitRegs; }
   bool isGigaProcessor() const { return IsGigaProcessor; }
 };
 } // End llvm namespace