Beginning of X86 encoding map and instruction size routine.

Change-Id: Idaa0d5e0852d7bcfeabff443a45223a078ad02d2
diff --git a/src/compiler/codegen/x86/Codegen.h b/src/compiler/codegen/x86/Codegen.h
index 520d638..2fb2df2 100644
--- a/src/compiler/codegen/x86/Codegen.h
+++ b/src/compiler/codegen/x86/Codegen.h
@@ -40,7 +40,7 @@
 LIR* opCmpImmBranch(CompilationUnit* cUnit, ConditionCode cond, int reg,
                     int checkValue, LIR* target);
 
-/* Forward declaraton the portable versions due to circular dependency */
+/* Forward declaration of the portable versions due to circular dependency */
 bool genArithOpFloatPortable(CompilationUnit* cUnit, MIR* mir,
                                     RegLocation rlDest, RegLocation rlSrc1,
                                     RegLocation rlSrc2);