Added code to optimize multiplies with constants

util/opt/var.c

@@ -20,6 +20,8 @@ unsigned linecount = 0;		/* "line"number for errormessages */
 int	prodepth  = 0;		/* Level of nesting */
 bool	Lflag	  = 0;		/* make library module */
 bool	nflag	  = 0;		/* do not optimize */
+int	repl_muls = 0;		/* max # of shifts/adds for replacing muls */
+bool	repl_longmuls = 0;	/* replacing longmuls as well? */
 line_p	instrs,pseudos;		/* pointers to chains */
 sym_p	symhash[NSYMHASH];	/* array of pointers to chains */
 FILE	*outfile;