Diff for /gforth/engine/threaded.h between versions 1.25 and 1.27

version 1.25, 2003/11/06 09:47:50 version 1.27, 2004/12/31 13:24:03
Line 1 Line 1
 /* This file defines a number of threading schemes.  /* This file defines a number of threading schemes.
   
   Copyright (C) 1995, 1996,1997,1999,2003 Free Software Foundation, Inc.    Copyright (C) 1995, 1996,1997,1999,2003,2004 Free Software Foundation, Inc.
   
   This file is part of Gforth.    This file is part of Gforth.
   
Line 96 Line 96
 #  define DEBUG_DITC 0  #  define DEBUG_DITC 0
 # endif  # endif
 /* define to 1 if you want to check consistency */  /* define to 1 if you want to check consistency */
 #  define NEXT_P0       ({cfa1=cfa; cfa=*ip;})  #  define NEXT_P0       do {cfa1=cfa; cfa=*ip;} while(0)
 #  define CFA           cfa1  #  define CFA           cfa1
 #  define MORE_VARS     Xt cfa1;  #  define MORE_VARS     Xt cfa1;
 #  define IP            (ip)  #  define IP            (ip)
 #  define SET_IP(p)     ({ip=(p); cfa=*ip;})  #  define SET_IP(p)     do {ip=(p); cfa=*ip;} while(0)
 #  define NEXT_INST     (cfa)  #  define NEXT_INST     (cfa)
 #  define INC_IP(const_inc)     ({cfa=IP[const_inc]; ip+=(const_inc);})  #  define INC_IP(const_inc)     do {cfa=IP[const_inc]; ip+=(const_inc);} while(0)
 #  define DEF_CA        Label ca;  #  define DEF_CA        Label ca;
 #  define NEXT_P1       ({\  #  define NEXT_P1       do {\
   if (DEBUG_DITC && (cfa<=vm_prims+DOESJUMP || cfa>=vm_prims+npriminfos)) \    if (DEBUG_DITC && (cfa<=vm_prims+DOESJUMP || cfa>=vm_prims+npriminfos)) \
     fprintf(stderr,"NEXT encountered prim %p at ip=%p\n", cfa, ip); \      fprintf(stderr,"NEXT encountered prim %p at ip=%p\n", cfa, ip); \
   ip++;})    ip++;} while(0)
 #  define NEXT_P2       ({ca=**cfa; goto *ca;})  #  define NEXT_P2       do {ca=**cfa; goto *ca;} while(0)
 #  define EXEC(XT)      ({DEF_CA cfa=(XT);\  #  define EXEC(XT)      do {DEF_CA cfa=(XT);\
   if (DEBUG_DITC && (cfa>vm_prims+DOESJUMP && cfa<vm_prims+npriminfos)) \    if (DEBUG_DITC && (cfa>vm_prims+DOESJUMP && cfa<vm_prims+npriminfos)) \
     fprintf(stderr,"EXEC encountered xt %p at ip=%p, vm_prims=%p, xts=%p\n", cfa, ip, vm_prims, xts); \      fprintf(stderr,"EXEC encountered xt %p at ip=%p, vm_prims=%p, xts=%p\n", cfa, ip, vm_prims, xts); \
  ca=**cfa; goto *ca;})   ca=**cfa; goto *ca;} while(0)
   
 #elif defined(NO_IP)  #elif defined(NO_IP)
   
Line 122 Line 122
 #define INC_IP(n)       ((void)0)  #define INC_IP(n)       ((void)0)
 #define DEF_CA  #define DEF_CA
 #define NEXT_P1  #define NEXT_P1
 #define NEXT_P2         ({goto *next_code;})  #define NEXT_P2         do {goto *next_code;} while(0)
 /* set next_code to the return address before performing EXEC */  /* set next_code to the return address before performing EXEC */
 #define EXEC(XT)        ({cfa=(XT); goto **cfa;})  #define EXEC(XT)        do {cfa=(XT); goto **cfa;} while(0)
   
 #else  /* !defined(DOUBLY_INDIRECT) && !defined(NO_IP) */  #else  /* !defined(DOUBLY_INDIRECT) && !defined(NO_IP) */
   
Line 157 Line 157
   
 #if THREADING_SCHEME==1  #if THREADING_SCHEME==1
 #warning direct threading scheme 1: autoinc, long latency, cfa live  #warning direct threading scheme 1: autoinc, long latency, cfa live
 #  define NEXT_P0       ({cfa1=cfa; cfa=*ip++;})  #  define NEXT_P0       do {cfa1=cfa; cfa=*ip++;} while(0)
 #  define CFA           cfa1  #  define CFA           cfa1
 #  define MORE_VARS     Xt cfa1;  #  define MORE_VARS     Xt cfa1;
 #  define IP            (ip-1)  #  define IP            (ip-1)
 #  define SET_IP(p)     ({ip=(p); cfa=*ip++;})  #  define SET_IP(p)     do {ip=(p); cfa=*ip++;} while(0)
 #  define NEXT_INST     (cfa)  #  define NEXT_INST     (cfa)
 #  define INC_IP(const_inc)     ({cfa=IP[const_inc]; ip+=(const_inc);})  #  define INC_IP(const_inc)     do {cfa=IP[const_inc]; ip+=(const_inc);} while(0)
 #  define DEF_CA  #  define DEF_CA
 #  define NEXT_P1  #  define NEXT_P1
 #  define NEXT_P2       ({goto *cfa;})  #  define NEXT_P2       do {goto *cfa;} while(0)
 #  define EXEC(XT)      ({cfa=(XT); goto **cfa;})  #  define EXEC(XT)      do {cfa=(XT); goto **cfa;} while(0)
 #endif  #endif
   
 #if THREADING_SCHEME==2  #if THREADING_SCHEME==2
Line 175 Line 175
 #  define NEXT_P0       (ip++)  #  define NEXT_P0       (ip++)
 #  define CFA           cfa  #  define CFA           cfa
 #  define IP            (ip-1)  #  define IP            (ip-1)
 #  define SET_IP(p)     ({ip=(p); NEXT_P0;})  #  define SET_IP(p)     do {ip=(p); NEXT_P0;} while(0)
 #  define NEXT_INST     (*(ip-1))  #  define NEXT_INST     (*(ip-1))
 #  define INC_IP(const_inc)     ({ ip+=(const_inc);})  #  define INC_IP(const_inc)     do { ip+=(const_inc);} while(0)
 #  define DEF_CA  #  define DEF_CA
 #  define NEXT_P1  #  define NEXT_P1
 #  define NEXT_P2       ({KILLS goto **(ip-1);})  #  define NEXT_P2       do {KILLS goto **(ip-1);} while(0)
 #  define EXEC(XT)      ({cfa=(XT); goto **cfa;})  #  define EXEC(XT)      do {cfa=(XT); goto **cfa;} while(0)
 #endif  #endif
   
   
Line 190 Line 190
 #  define NEXT_P0  #  define NEXT_P0
 #  define CFA           cfa  #  define CFA           cfa
 #  define IP            (ip)  #  define IP            (ip)
 #  define SET_IP(p)     ({ip=(p); NEXT_P0;})  #  define SET_IP(p)     do {ip=(p); NEXT_P0;} while(0)
 #  define NEXT_INST     (*ip)  #  define NEXT_INST     (*ip)
 #  define INC_IP(const_inc)     ({ip+=(const_inc);})  #  define INC_IP(const_inc)     do {ip+=(const_inc);} while(0)
 #  define DEF_CA  #  define DEF_CA
 #  define NEXT_P1       ({cfa=*ip++;})  #  define NEXT_P1       do {cfa=*ip++;} while(0)
 #  define NEXT_P2       ({goto *cfa;})  #  define NEXT_P2       do {goto *cfa;} while(0)
 #  define EXEC(XT)      ({cfa=(XT); goto **cfa;})  #  define EXEC(XT)      do {cfa=(XT); goto **cfa;} while(0)
 #endif  #endif
   
 #if THREADING_SCHEME==4  #if THREADING_SCHEME==4
Line 204 Line 204
 #  define NEXT_P0  #  define NEXT_P0
 #  define CFA           cfa  #  define CFA           cfa
 #  define IP            (ip)  #  define IP            (ip)
 #  define SET_IP(p)     ({ip=(p); NEXT_P0;})  #  define SET_IP(p)     do {ip=(p); NEXT_P0;} while(0)
 #  define NEXT_INST     (*ip)  #  define NEXT_INST     (*ip)
 #  define INC_IP(const_inc)     ({ ip+=(const_inc);})  #  define INC_IP(const_inc)     do { ip+=(const_inc);} while(0)
 #  define DEF_CA  #  define DEF_CA
 #  define NEXT_P1  #  define NEXT_P1
 #  define NEXT_P2       ({KILLS goto **(ip++);})  #  define NEXT_P2       do {KILLS goto **(ip++);} while(0)
 #  define EXEC(XT)      ({cfa=(XT); goto **cfa;})  #  define EXEC(XT)      do {cfa=(XT); goto **cfa;} while(0)
 #endif  #endif
   
 #if THREADING_SCHEME==5  #if THREADING_SCHEME==5
 #warning direct threading scheme 5: long latency, cfa live  #warning direct threading scheme 5: long latency, cfa live
 #  define NEXT_P0       ({cfa1=cfa; cfa=*ip;})  #  define NEXT_P0       do {cfa1=cfa; cfa=*ip;} while(0)
 #  define CFA           cfa1  #  define CFA           cfa1
 #  define MORE_VARS     Xt cfa1;  #  define MORE_VARS     Xt cfa1;
 #  define IP            (ip)  #  define IP            (ip)
 #  define SET_IP(p)     ({ip=(p); cfa=*ip;})  #  define SET_IP(p)     do {ip=(p); cfa=*ip;} while(0)
 #  define NEXT_INST     (cfa)  #  define NEXT_INST     (cfa)
 #  define INC_IP(const_inc)     ({cfa=IP[const_inc]; ip+=(const_inc);})  #  define INC_IP(const_inc)     do {cfa=IP[const_inc]; ip+=(const_inc);} while(0)
 #  define DEF_CA  #  define DEF_CA
 #  define NEXT_P1       (ip++)  #  define NEXT_P1       (ip++)
 #  define NEXT_P2       ({goto *cfa;})  #  define NEXT_P2       do {goto *cfa;} while(0)
 #  define EXEC(XT)      ({cfa=(XT); goto **cfa;})  #  define EXEC(XT)      do {cfa=(XT); goto **cfa;} while(0)
 #endif  #endif
   
 #if THREADING_SCHEME==6  #if THREADING_SCHEME==6
Line 233 Line 233
 #  define NEXT_P0  #  define NEXT_P0
 #  define CFA           cfa  #  define CFA           cfa
 #  define IP            (ip)  #  define IP            (ip)
 #  define SET_IP(p)     ({ip=(p); NEXT_P0;})  #  define SET_IP(p)     do {ip=(p); NEXT_P0;} while(0)
 #  define NEXT_INST     (*ip)  #  define NEXT_INST     (*ip)
 #  define INC_IP(const_inc)     ({ip+=(const_inc);})  #  define INC_IP(const_inc)     do {ip+=(const_inc);} while(0)
 #  define DEF_CA  #  define DEF_CA
 #  define NEXT_P1       (ip++)  #  define NEXT_P1       (ip++)
 #  define NEXT_P2       ({KILLS goto **(ip-1);})  #  define NEXT_P2       do {KILLS goto **(ip-1);} while(0)
 #  define EXEC(XT)      ({cfa=(XT); goto **cfa;})  #  define EXEC(XT)      do {cfa=(XT); goto **cfa;} while(0)
 #endif  #endif
   
   
Line 248 Line 248
 #  define NEXT_P0  #  define NEXT_P0
 #  define CFA           cfa  #  define CFA           cfa
 #  define IP            (ip)  #  define IP            (ip)
 #  define SET_IP(p)     ({ip=(p); NEXT_P0;})  #  define SET_IP(p)     do {ip=(p); NEXT_P0;} while(0)
 #  define NEXT_INST     (*ip)  #  define NEXT_INST     (*ip)
 #  define INC_IP(const_inc)     ({ip+=(const_inc);})  #  define INC_IP(const_inc)     do {ip+=(const_inc);} while(0)
 #  define DEF_CA  #  define DEF_CA
 #  define NEXT_P1       ({cfa=*ip++;})  #  define NEXT_P1       do {cfa=*ip++;} while(0)
 #  define NEXT_P2       ({goto *cfa;})  #  define NEXT_P2       do {goto *cfa;} while(0)
 #  define EXEC(XT)      ({cfa=(XT); goto **cfa;})  #  define EXEC(XT)      do {cfa=(XT); goto **cfa;} while(0)
 #endif  #endif
   
 #if THREADING_SCHEME==8  #if THREADING_SCHEME==8
Line 262 Line 262
 #  define NEXT_P0  #  define NEXT_P0
 #  define CFA           cfa  #  define CFA           cfa
 #  define IP            (ip)  #  define IP            (ip)
 #  define SET_IP(p)     ({ip=(p); NEXT_P0;})  #  define SET_IP(p)     do {ip=(p); NEXT_P0;} while(0)
 #  define NEXT_INST     (*IP)  #  define NEXT_INST     (*IP)
 #  define INC_IP(const_inc)     ({ ip+=(const_inc);})  #  define INC_IP(const_inc)     do { ip+=(const_inc);} while(0)
 #  define DEF_CA  #  define DEF_CA
 #  define NEXT_P1       (ip++)  #  define NEXT_P1       (ip++)
 #  define NEXT_P2       ({KILLS goto **(ip-1);})  #  define NEXT_P2       do {KILLS goto **(ip-1);} while(0)
 #  define EXEC(XT)      ({cfa=(XT); goto **cfa;})  #  define EXEC(XT)      do {cfa=(XT); goto **cfa;} while(0)
 #endif  #endif
   
 #if THREADING_SCHEME==9  #if THREADING_SCHEME==9
Line 279 Line 279
 #  define NEXT_P0  #  define NEXT_P0
 #  define CFA           cfa  #  define CFA           cfa
 #  define IP            ip  #  define IP            ip
 #  define SET_IP(p)     ({ip=(p); next_cfa=*ip; NEXT_P0;})  #  define SET_IP(p)     do {ip=(p); next_cfa=*ip; NEXT_P0;} while(0)
 #  define NEXT_INST     (next_cfa)  #  define NEXT_INST     (next_cfa)
 #  define INC_IP(const_inc)     ({next_cfa=IP[const_inc]; ip+=(const_inc);})  #  define INC_IP(const_inc)     do {next_cfa=IP[const_inc]; ip+=(const_inc);} while(0)
 #  define DEF_CA          #  define DEF_CA        
 #  define NEXT_P1       ({cfa=next_cfa; ip++; next_cfa=*ip;})  #  define NEXT_P1       do {cfa=next_cfa; ip++; next_cfa=*ip;} while(0)
 #  define NEXT_P2       ({goto *cfa;})  #  define NEXT_P2       do {goto *cfa;} while(0)
 #  define EXEC(XT)      ({cfa=(XT); goto **cfa;})  #  define EXEC(XT)      do {cfa=(XT); goto **cfa;} while(0)
 #  define MORE_VARS     Xt next_cfa;  #  define MORE_VARS     Xt next_cfa;
 #endif  #endif
   
Line 294 Line 294
 #  define NEXT_P0  #  define NEXT_P0
 #  define CFA           cfa  #  define CFA           cfa
 #  define IP            (ip)  #  define IP            (ip)
 #  define SET_IP(p)     ({ip=(p); NEXT_P0;})  #  define SET_IP(p)     do {ip=(p); NEXT_P0;} while(0)
 #  define NEXT_INST     (*ip)  #  define NEXT_INST     (*ip)
 #  define INC_IP(const_inc)     ({ip+=(const_inc);})  #  define INC_IP(const_inc)     do {ip+=(const_inc);} while(0)
 #  define DEF_CA  #  define DEF_CA
 #  define NEXT_P1  #  define NEXT_P1
 #  define NEXT_P2       ({cfa=*ip++; goto *cfa;})  #  define NEXT_P2       do {cfa=*ip++; goto *cfa;} while(0)
 #  define EXEC(XT)      ({cfa=(XT); goto **cfa;})  #  define EXEC(XT)      do {cfa=(XT); goto **cfa;} while(0)
 #endif  #endif
   
 /* direct threaded */  /* direct threaded */
Line 313 Line 313
   
 #if THREADING_SCHEME==1  #if THREADING_SCHEME==1
 #warning indirect threading scheme 1: autoinc, long latency, cisc  #warning indirect threading scheme 1: autoinc, long latency, cisc
 #  define NEXT_P0       ({cfa1=cfa; cfa=*ip++;})  #  define NEXT_P0       do {cfa1=cfa; cfa=*ip++;} while(0)
 #  define CFA           cfa1  #  define CFA           cfa1
 #  define MORE_VARS     Xt cfa1;  #  define MORE_VARS     Xt cfa1;
 #  define IP            (ip-1)  #  define IP            (ip-1)
 #  define SET_IP(p)     ({ip=(p); cfa=*ip++;})  #  define SET_IP(p)     do {ip=(p); cfa=*ip++;} while(0)
 #  define NEXT_INST     (cfa)  #  define NEXT_INST     (cfa)
 #  define INC_IP(const_inc)     ({cfa=IP[const_inc]; ip+=(const_inc);})  #  define INC_IP(const_inc)     do {cfa=IP[const_inc]; ip+=(const_inc);} while(0)
 #  define DEF_CA  #  define DEF_CA
 #  define NEXT_P1  #  define NEXT_P1
 #  define NEXT_P2       ({goto **cfa;})  #  define NEXT_P2       do {goto **cfa;} while(0)
 #  define EXEC(XT)      ({cfa=(XT); goto **cfa;})  #  define EXEC(XT)      do {cfa=(XT); goto **cfa;} while(0)
 #endif  #endif
   
 #if THREADING_SCHEME==2  #if THREADING_SCHEME==2
 #warning indirect threading scheme 2: autoinc, long latency  #warning indirect threading scheme 2: autoinc, long latency
 #  define NEXT_P0       ({cfa1=cfa; cfa=*ip++;})  #  define NEXT_P0       do {cfa1=cfa; cfa=*ip++;} while(0)
 #  define CFA           cfa1  #  define CFA           cfa1
 #  define MORE_VARS     Xt cfa1;  #  define MORE_VARS     Xt cfa1;
 #  define IP            (ip-1)  #  define IP            (ip-1)
 #  define SET_IP(p)     ({ip=(p); cfa=*ip++;})  #  define SET_IP(p)     do {ip=(p); cfa=*ip++;} while(0)
 #  define NEXT_INST     (cfa)  #  define NEXT_INST     (cfa)
 #  define INC_IP(const_inc)     ({cfa=IP[const_inc]; ip+=(const_inc);})  #  define INC_IP(const_inc)     do {cfa=IP[const_inc]; ip+=(const_inc);} while(0)
 #  define DEF_CA        Label ca;  #  define DEF_CA        Label ca;
 #  define NEXT_P1       ({ca=*cfa;})  #  define NEXT_P1       do {ca=*cfa;} while(0)
 #  define NEXT_P2       ({goto *ca;})  #  define NEXT_P2       do {goto *ca;} while(0)
 #  define EXEC(XT)      ({DEF_CA cfa=(XT); ca=*cfa; goto *ca;})  #  define EXEC(XT)      do {DEF_CA cfa=(XT); ca=*cfa; goto *ca;} while(0)
 #endif  #endif
   
   
Line 347 Line 347
 #  define NEXT_P0  #  define NEXT_P0
 #  define CFA           cfa  #  define CFA           cfa
 #  define IP            (ip)  #  define IP            (ip)
 #  define SET_IP(p)     ({ip=(p); NEXT_P0;})  #  define SET_IP(p)     do {ip=(p); NEXT_P0;} while(0)
 #  define NEXT_INST     (*ip)  #  define NEXT_INST     (*ip)
 #  define INC_IP(const_inc)     ({ip+=(const_inc);})  #  define INC_IP(const_inc)     do {ip+=(const_inc);} while(0)
 #  define DEF_CA  #  define DEF_CA
 #  define NEXT_P1  #  define NEXT_P1
 #  define NEXT_P2       ({cfa=*ip++; goto **cfa;})  #  define NEXT_P2       do {cfa=*ip++; goto **cfa;} while(0)
 #  define EXEC(XT)      ({cfa=(XT); goto **cfa;})  #  define EXEC(XT)      do {cfa=(XT); goto **cfa;} while(0)
 #endif  #endif
   
 #if THREADING_SCHEME==4  #if THREADING_SCHEME==4
 #warning indirect threading scheme 4: autoinc, low latency  #warning indirect threading scheme 4: autoinc, low latency
 #  define NEXT_P0       ({cfa1=cfa; cfa=*ip++;})  #  define NEXT_P0       do {cfa1=cfa; cfa=*ip++;} while(0)
 #  define CFA           cfa1  #  define CFA           cfa1
 #  define MORE_VARS     Xt cfa1;  #  define MORE_VARS     Xt cfa1;
 #  define IP            (ip-1)  #  define IP            (ip-1)
 #  define SET_IP(p)     ({ip=(p); cfa=*ip++;})  #  define SET_IP(p)     do {ip=(p); cfa=*ip++;} while(0)
 #  define NEXT_INST     (cfa)  #  define NEXT_INST     (cfa)
 #  define INC_IP(const_inc)     ({cfa=IP[const_inc]; ip+=(const_inc);})  #  define INC_IP(const_inc)     do {cfa=IP[const_inc]; ip+=(const_inc);} while(0)
 #  define DEF_CA        Label ca;  #  define DEF_CA        Label ca;
 #  define NEXT_P1       ({ca=*cfa;})  #  define NEXT_P1       do {ca=*cfa;} while(0)
 #  define NEXT_P2       ({goto *ca;})  #  define NEXT_P2       do {goto *ca;} while(0)
 #  define EXEC(XT)      ({DEF_CA cfa=(XT); ca=*cfa; goto *ca;})  #  define EXEC(XT)      do {DEF_CA cfa=(XT); ca=*cfa; goto *ca;} while(0)
 #endif  #endif
   
   
 #if THREADING_SCHEME==5  #if THREADING_SCHEME==5
 #warning indirect threading scheme 5: long latency, cisc  #warning indirect threading scheme 5: long latency, cisc
 #  define NEXT_P0       ({cfa1=cfa; cfa=*ip;})  #  define NEXT_P0       do {cfa1=cfa; cfa=*ip;} while(0)
 #  define CFA           cfa1  #  define CFA           cfa1
 #  define MORE_VARS     Xt cfa1;  #  define MORE_VARS     Xt cfa1;
 #  define IP            (ip)  #  define IP            (ip)
 #  define SET_IP(p)     ({ip=(p); cfa=*ip;})  #  define SET_IP(p)     do {ip=(p); cfa=*ip;} while(0)
 #  define NEXT_INST     (cfa)  #  define NEXT_INST     (cfa)
 #  define INC_IP(const_inc)     ({cfa=IP[const_inc]; ip+=(const_inc);})  #  define INC_IP(const_inc)     do {cfa=IP[const_inc]; ip+=(const_inc);} while(0)
 #  define DEF_CA  #  define DEF_CA
 #  define NEXT_P1       (ip++)  #  define NEXT_P1       (ip++)
 #  define NEXT_P2       ({goto **cfa;})  #  define NEXT_P2       do {goto **cfa;} while(0)
 #  define EXEC(XT)      ({cfa=(XT); goto **cfa;})  #  define EXEC(XT)      do {cfa=(XT); goto **cfa;} while(0)
 #endif  #endif
   
 #if THREADING_SCHEME==6  #if THREADING_SCHEME==6
 #warning indirect threading scheme 6: long latency  #warning indirect threading scheme 6: long latency
 #  define NEXT_P0       ({cfa1=cfa; cfa=*ip;})  #  define NEXT_P0       do {cfa1=cfa; cfa=*ip;} while(0)
 #  define CFA           cfa1  #  define CFA           cfa1
 #  define MORE_VARS     Xt cfa1;  #  define MORE_VARS     Xt cfa1;
 #  define IP            (ip)  #  define IP            (ip)
 #  define SET_IP(p)     ({ip=(p); cfa=*ip;})  #  define SET_IP(p)     do {ip=(p); cfa=*ip;} while(0)
 #  define NEXT_INST     (cfa)  #  define NEXT_INST     (cfa)
 #  define INC_IP(const_inc)     ({cfa=IP[const_inc]; ip+=(const_inc);})  #  define INC_IP(const_inc)     do {cfa=IP[const_inc]; ip+=(const_inc);} while(0)
 #  define DEF_CA        Label ca;  #  define DEF_CA        Label ca;
 #  define NEXT_P1       ({ip++; ca=*cfa;})  #  define NEXT_P1       do {ip++; ca=*cfa;} while(0)
 #  define NEXT_P2       ({goto *ca;})  #  define NEXT_P2       do {goto *ca;} while(0)
 #  define EXEC(XT)      ({DEF_CA cfa=(XT); ca=*cfa; goto *ca;})  #  define EXEC(XT)      do {DEF_CA cfa=(XT); ca=*cfa; goto *ca;} while(0)
 #endif  #endif
   
 #if THREADING_SCHEME==7  #if THREADING_SCHEME==7
 #warning indirect threading scheme 7: low latency  #warning indirect threading scheme 7: low latency
 #  define NEXT_P0       ({cfa1=cfa; cfa=*ip;})  #  define NEXT_P0       do {cfa1=cfa; cfa=*ip;} while(0)
 #  define CFA           cfa1  #  define CFA           cfa1
 #  define MORE_VARS     Xt cfa1;  #  define MORE_VARS     Xt cfa1;
 #  define IP            (ip)  #  define IP            (ip)
 #  define SET_IP(p)     ({ip=(p); cfa=*ip;})  #  define SET_IP(p)     do {ip=(p); cfa=*ip;} while(0)
 #  define NEXT_INST     (cfa)  #  define NEXT_INST     (cfa)
 #  define INC_IP(const_inc)     ({cfa=IP[const_inc]; ip+=(const_inc);})  #  define INC_IP(const_inc)     do {cfa=IP[const_inc]; ip+=(const_inc);} while(0)
 #  define DEF_CA        Label ca;  #  define DEF_CA        Label ca;
 #  define NEXT_P1       ({ip++; ca=*cfa;})  #  define NEXT_P1       do {ip++; ca=*cfa;} while(0)
 #  define NEXT_P2       ({goto *ca;})  #  define NEXT_P2       do {goto *ca;} while(0)
 #  define EXEC(XT)      ({DEF_CA cfa=(XT); ca=*cfa; goto *ca;})  #  define EXEC(XT)      do {DEF_CA cfa=(XT); ca=*cfa; goto *ca;} while(0)
 #endif  #endif
   
 #if THREADING_SCHEME==8  #if THREADING_SCHEME==8
Line 422 Line 422
 #  define NEXT_P0  #  define NEXT_P0
 #  define CFA           cfa  #  define CFA           cfa
 #  define IP            (ip)  #  define IP            (ip)
 #  define SET_IP(p)     ({ip=(p); NEXT_P0;})  #  define SET_IP(p)     do {ip=(p); NEXT_P0;} while(0)
 #  define NEXT_INST     (*ip)  #  define NEXT_INST     (*ip)
 #  define INC_IP(const_inc)     ({ip+=(const_inc);})  #  define INC_IP(const_inc)     do {ip+=(const_inc);} while(0)
 #  define DEF_CA  #  define DEF_CA
 #  define NEXT_P1  #  define NEXT_P1
 #  define NEXT_P2       ({cfa=*ip++; goto **cfa;})  #  define NEXT_P2       do {cfa=*ip++; goto **cfa;} while(0)
 #  define EXEC(XT)      ({cfa=(XT); goto **cfa;})  #  define EXEC(XT)      do {cfa=(XT); goto **cfa;} while(0)
 #endif  #endif
   
 /* indirect threaded */  /* indirect threaded */
Line 436 Line 436
   
 #endif /* !defined(DOUBLY_INDIRECT) && !defined(NO_IP) */  #endif /* !defined(DOUBLY_INDIRECT) && !defined(NO_IP) */
   
 #define NEXT ({DEF_CA NEXT_P1; NEXT_P2;})  #define NEXT do {DEF_CA NEXT_P1; NEXT_P2;} while(0)
 #define IPTOS NEXT_INST  #define IPTOS NEXT_INST

Removed from v.1.25  
changed lines
  Added in v.1.27


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