Added setters/creation methods to LLOperand

Moved PROG global into Project instance. Still need to refactor all
usages of prog.
Split fseek offset calculation in frontend.cpp to allow for easier
debugging.
Added alreadyDecoded method to CIcodeRec
LONGID_TYPE now has a method matching srcDstRegMatch icode's src a dst
regs

src/locident.cpp

@@ -8,6 +8,11 @@
 #include <cstring>
 #include "locident.h"
 #include "dcc.h"
+bool LONGID_TYPE::srcDstRegMatch(iICODE a, iICODE b) const
+{
+    return (a->ll()->src.getReg2()==l) and (b->ll()->dst.getReg2()==h);
+}
+
 
 ID::ID() : type(TYPE_UNKNOWN),illegal(false),loc(STK_FRAME),hasMacro(false)
 {