Fix bug in zero-extending of shorts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12453 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Sparc/InstSelectSimple.cpp b/lib/Target/Sparc/InstSelectSimple.cpp
index 1ba4285..890e55d 100644
--- a/lib/Target/Sparc/InstSelectSimple.cpp
+++ b/lib/Target/Sparc/InstSelectSimple.cpp
@@ -289,8 +289,8 @@
         BuildMI (BB, V8::SRAri, 2, DestReg).addReg (TmpReg).addZImm (16);
       } else { // add ushort
         unsigned TmpReg = makeAnotherReg (I.getType ());
-        BuildMI (BB, V8::SLLri, 2, TmpReg).addReg (ResultReg).addZImm (24);
-        BuildMI (BB, V8::SRLri, 2, DestReg).addReg (TmpReg).addZImm (24);
+        BuildMI (BB, V8::SLLri, 2, TmpReg).addReg (ResultReg).addZImm (16);
+        BuildMI (BB, V8::SRLri, 2, DestReg).addReg (TmpReg).addZImm (16);
       }
       break;
     case cInt: