reg.h

#ifndef _REG_H_
#define _REG_H_

/*
 * file reg.h
 */

typedef enum { reg_bad_type,
               reg_real,       // a real register
	       reg_virtual     // a virtual register
             } reg_kind;


typedef enum { r0=0, r1, r2,  r3,  r4,  r5,  r6,  r7,  
               r8,  r9,  r10, r11, r12, r13, r14, r15,
	       r16, r17, r18, r19, r20, r21, r22, r23, 
               r24, r25, r26, r27, r28, r29, r30, r31,
	       bad_rreg
} real_reg_num;



class registor {
private:
  unsigned short int vreg : 16;
  reg_kind           kind : 8;
  real_reg_num       rreg : 8;

public:
    registor(void)
    {
      vreg = 0;
      kind = reg_bad_type;
      rreg = bad_rreg;
    }
    void set_vreg( unsigned short int v )    { vreg = v; }
    void set_rreg( real_reg_num r )          { rreg = r; }

    unsigned short int get_vreg(void)        { return vreg; }
    real_reg_num get_rreg(void)              { return (real_reg_num)rreg; }
    reg_kind get_reg_kind(void)              { return kind; }
};  // registor

#endif