initial implementation of addressing mode 5


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31002 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelDAGToDAG.cpp b/lib/Target/ARM/ARMISelDAGToDAG.cpp
index 905d962..13dd33c 100644
--- a/lib/Target/ARM/ARMISelDAGToDAG.cpp
+++ b/lib/Target/ARM/ARMISelDAGToDAG.cpp
@@ -737,6 +737,7 @@
   bool SelectAddrRegImm(SDOperand N, SDOperand &Offset, SDOperand &Base);
   bool SelectAddrMode1(SDOperand N, SDOperand &Arg, SDOperand &Shift,
 		       SDOperand &ShiftType);
+  bool SelectAddrMode5(SDOperand N, SDOperand &Arg, SDOperand &Offset);
 
   // Include the pieces autogenerated from the target description.
 #include "ARMGenDAGISel.inc"
@@ -835,6 +836,14 @@
   return true;
 }
 
+bool ARMDAGToDAGISel::SelectAddrMode5(SDOperand N, SDOperand &Arg,
+                                      SDOperand &Offset) {
+  //TODO: detect offset
+  Offset = CurDAG->getTargetConstant(0, MVT::i32);
+  Arg    = N;
+  return true;
+}
+
 //register plus/minus 12 bit offset
 bool ARMDAGToDAGISel::SelectAddrRegImm(SDOperand N, SDOperand &Offset,
 				    SDOperand &Base) {