ARM Refactor VLD/VST spaced pair instructions.

Use the new composite physical registers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152063 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp b/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
index 06c1634..bae4e78 100644
--- a/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
+++ b/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
@@ -1042,6 +1042,15 @@
   O << "{" << getRegisterName(Reg0) << ", " << getRegisterName(Reg1) << "}";
 }
 
+void ARMInstPrinter::printVectorListDPairSpaced(const MCInst *MI,
+                                                unsigned OpNum,
+                                                raw_ostream &O) {
+  unsigned Reg = MI->getOperand(OpNum).getReg();
+  unsigned Reg0 = MRI.getSubReg(Reg, ARM::dsub_0);
+  unsigned Reg1 = MRI.getSubReg(Reg, ARM::dsub_2);
+  O << "{" << getRegisterName(Reg0) << ", " << getRegisterName(Reg1) << "}";
+}
+
 void ARMInstPrinter::printVectorListThree(const MCInst *MI, unsigned OpNum,
                                           raw_ostream &O) {
   // Normally, it's not safe to use register enum values directly with