Disable PPC64 backend by default because LLC cannot choose automatically between
SparcV9 and PowerPC64 without target triples, since they are both 64-bit
big-endian targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15688 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCTargetMachine.cpp b/lib/Target/PowerPC/PPCTargetMachine.cpp
index 256b0d1..95fe1be 100644
--- a/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -41,8 +41,8 @@
   // Register the targets
   RegisterTarget<PPC32TargetMachine> 
   X("ppc32", "  PowerPC 32-bit (experimental)");
-  RegisterTarget<PPC64TargetMachine> 
-  Y("ppc64", "  PowerPC 64-bit (unimplemented)");
+  //RegisterTarget<PPC64TargetMachine> 
+  //Y("ppc64", "  PowerPC 64-bit (unimplemented)");
 }
 
 PowerPCTargetMachine::PowerPCTargetMachine(const std::string &name,