Fix superreg use in ARMAsmPrinter. Approved by Anton Korobeynikov.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81878 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
index 7d8af17..fa6720f 100644
--- a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
@@ -318,8 +318,8 @@
           << '}';
       } else if (Modifier && strcmp(Modifier, "lane") == 0) {
         unsigned RegNum = ARMRegisterInfo::getRegisterNumbering(Reg);
-        unsigned DReg = TRI->getMatchingSuperReg(Reg, RegNum & 1 ? 0 : 1,
-                                                 &ARM::DPRRegClass);
+        unsigned DReg = TRI->getMatchingSuperReg(Reg, RegNum & 1 ? 2 : 1,
+                                                 &ARM::DPR_VFP2RegClass);
         O << getRegisterName(DReg) << '[' << (RegNum & 1) << ']';
       } else {
         O << getRegisterName(Reg);