/*
 * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
 * See the copyright notice in the ACK home directory, in the file "Copyright".
 */
#ifndef REGVAR_H_
#define REGVAR_H_

struct regvar {
	struct regvar  *rv_next;
	long		rv_off;
	int		rv_size;
	int		rv_type;
	int		rv_score;
	int		rv_reg;
};

struct regassigned {
	struct regvar  *ra_rv;
	int		ra_score;
};

extern struct regvar *rvlist;
extern int nregvar[];
extern struct regassigned *regassigned[];


struct regvar *linkreg(long of,int sz,int tp,int sc);
void tryreg(struct regvar *rvlp, int typ);
void fixregvars(int saveall);
int isregvar(long off);
void unlinkregs(void);

#endif /* REGVAR_H_ */