ARM encoder method needs the physical register number, not the enum.

llvm-svn: 145711
diff --git a/llvm/lib/Target/ARM/MCTargetDesc/ARMMCCodeEmitter.cpp b/llvm/lib/Target/ARM/MCTargetDesc/ARMMCCodeEmitter.cpp
index 865c3e2..c38a882 100644
--- a/llvm/lib/Target/ARM/MCTargetDesc/ARMMCCodeEmitter.cpp
+++ b/llvm/lib/Target/ARM/MCTargetDesc/ARMMCCodeEmitter.cpp
@@ -1412,7 +1412,7 @@
                           SmallVectorImpl<MCFixup> &Fixups) const {
   const MCOperand &MO = MI.getOperand(Op);
   if (MO.getReg() == 0) return 0x0D;
-  return MO.getReg();
+  return getARMRegisterNumbering(MO.getReg());
 }
 
 unsigned ARMMCCodeEmitter::