/* $Header$ */

typedef struct expr {
	int	ex_typ;
	short	ex_regset[SZOFSET(MAXREGS)];
	int	ex_index;
} expr_t,*expr_p;

#define TYPINT  1
#define TYPBOOL 2
#define TYPADDR 3
#define TYPREG  4

/* When the type is register the regset contains the set of
   possible registers for checking purposes only.
*/