Use uint16_t to store registers and opcode in static tables in the target specific backends.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152537 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCFrameLowering.cpp b/lib/Target/PowerPC/PPCFrameLowering.cpp
index 6d612f7..b77a80b 100644
--- a/lib/Target/PowerPC/PPCFrameLowering.cpp
+++ b/lib/Target/PowerPC/PPCFrameLowering.cpp
@@ -38,7 +38,7 @@
 
 /// VRRegNo - Map from a numbered VR register to its enum value.
 ///
-static const unsigned short VRRegNo[] = {
+static const uint16_t VRRegNo[] = {
  PPC::V0 , PPC::V1 , PPC::V2 , PPC::V3 , PPC::V4 , PPC::V5 , PPC::V6 , PPC::V7 ,
  PPC::V8 , PPC::V9 , PPC::V10, PPC::V11, PPC::V12, PPC::V13, PPC::V14, PPC::V15,
  PPC::V16, PPC::V17, PPC::V18, PPC::V19, PPC::V20, PPC::V21, PPC::V22, PPC::V23,