Variable cleanup. Based on past patch submittals variable names have
been normalized and more descriptive comments added. Patch by Reed
Kotler and Jack Carter.

llvm-svn: 146088
diff --git a/llvm/lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.cpp b/llvm/lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.cpp
index 89a39de..463dcfe 100644
--- a/llvm/lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.cpp
+++ b/llvm/lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.cpp
@@ -248,8 +248,8 @@
 MipsMCCodeEmitter::getSizeExtEncoding(const MCInst &MI, unsigned OpNo,
                                       SmallVectorImpl<MCFixup> &Fixups) const {
   assert(MI.getOperand(OpNo).isImm());
-  unsigned szEncoding = getMachineOpValue(MI, MI.getOperand(OpNo), Fixups);
-  return szEncoding - 1;
+  unsigned SizeEncoding = getMachineOpValue(MI, MI.getOperand(OpNo), Fixups);
+  return SizeEncoding - 1;
 }
 
 // FIXME: should be called getMSBEncoding
@@ -259,10 +259,10 @@
                                       SmallVectorImpl<MCFixup> &Fixups) const {
   assert(MI.getOperand(OpNo-1).isImm());
   assert(MI.getOperand(OpNo).isImm());
-  unsigned pos = getMachineOpValue(MI, MI.getOperand(OpNo-1), Fixups);
-  unsigned sz = getMachineOpValue(MI, MI.getOperand(OpNo), Fixups);
+  unsigned Position = getMachineOpValue(MI, MI.getOperand(OpNo-1), Fixups);
+  unsigned Size = getMachineOpValue(MI, MI.getOperand(OpNo), Fixups);
 
-  return pos + sz - 1;
+  return Position + Size - 1;
 }
 
 #include "MipsGenMCCodeEmitter.inc"