Diff for /gforth/Attic/386.h between versions 1.1 and 1.3

version 1.1, 1994/02/11 16:30:45 version 1.3, 1994/09/08 17:20:03
Line 26  typedef float SFloat; Line 26  typedef float SFloat;
 /* define this if the least-significant byte is at the largets address */  /* define this if the least-significant byte is at the largets address */
 /* #define BIG_ENDIAN */  /* #define BIG_ENDIAN */
   
   /* define this if the processor cannot exploit instruction-level
      parallelism and/or has few registers */
   #define CISC_NEXT
   
 #ifdef DIRECT_THREADED  #ifdef DIRECT_THREADED
 /* PFA gives the parameter field address corresponding to a cfa */  /* PFA gives the parameter field address corresponding to a cfa */
 #define PFA(cfa)        (((Cell *)cfa)+2)  #define PFA(cfa)        (((Cell *)cfa)+2)
 /* PFA1 is a special version for use just after a NEXT1 */  /* PFA1 is a special version for use just after a NEXT1 */
 #define PFA1(cfa)       PFA(cfa)  #define PFA1(cfa)       PFA(cfa)
 /* CODE_ADDRESS is the address of the code jumped to through the code field */  /* CODE_ADDRESS is the address of the code jumped to through the code field */
 #define CODE_ADDRESS(cfa)       ({long _cfa = (char *)(cfa); (Label)(_cfa+*((long *)(_cfa+1))-5);})  #define CODE_ADDRESS(cfa) \
       ({long _cfa = (char *)(cfa); (Label)(_cfa+*((long *)(_cfa+1))+5);})
 /* MAKE_CF creates an appropriate code field at the cfa; ca is the code address */  /* MAKE_CF creates an appropriate code field at the cfa; ca is the code address */
 #define MAKE_CF(cfa,ca) ({long _cfa = (long *)(cfa); \  #define MAKE_CF(cfa,ca) ({long _cfa = (long)(cfa); \
                             long _ca  = (long)(ca); \
                           *(char *)_cfa = 0xe9; /* jmp */ \                            *(char *)_cfa = 0xe9; /* jmp */ \
                           *(long *)(_cfa+1) = ((long)(ca))-(_cfa+5);})                            *(long *)(_cfa+1) = _ca-(_cfa+5);})
   
 /* this is the point where the does code starts if label points to the  /* this is the point where the does code starts if label points to the
  * jump dodoes */   * jump dodoes */
 #define DOES_CODE(label)        ((Xt *)(((char *)label)+8))  #define DOES_HANDLER_SIZE       8
   #define DOES_CODE(label)        ((Xt *)(CODE_ADDRESS(label)+DOES_HANDLER_SIZE))
   
 /* this is a special version of DOES_CODE for use in dodoes */  /* this is a special version of DOES_CODE for use in dodoes */
 #define DOES_CODE1(label)       DOES_CODE(label)  #define DOES_CODE1(label)       DOES_CODE(label)
   
 /* this stores a jump dodoes at addr */  /* this stores a jump dodoes at addr */
 #define MAKE_DOESJUMP(addr)     ({long _addr = (long *)(addr); \  #define MAKE_DOES_HANDLER(addr) MAKE_CF(addr,symbols[DODOES])
                                   *(char *)_addr = 0xe9; /* jmp */ \  
                                   *(long *)(_addr+1) = ((long)(&&dodoes))-(_addr+5);})  #define MAKE_DOES_CF(addr,doesp) MAKE_CF(addr,((int)(doesp)-8))
 #endif  #endif
   
   #define rint(x) floor((x)+0.5)

Removed from v.1.1  
changed lines
  Added in v.1.3


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