--- gforth/engine/threaded.h	2005/01/26 21:24:16	1.33
+++ gforth/engine/threaded.h	2005/08/16 13:46:49	1.34
@@ -174,113 +174,6 @@ before_goto: goto *real_ca; after_goto:
 */
 #define KILLS asm("":"=X"(cfa));
 
-#ifndef THREADING_SCHEME
-#define THREADING_SCHEME 7
-#endif
-
-#if THREADING_SCHEME==1
-#warning direct threading scheme 1: autoinc, long latency, cfa live
-#  define NEXT_P0	do {cfa1=cfa; cfa=*ip++;} while(0)
-#  define CFA		cfa1
-#  define MORE_VARS     Xt cfa1;
-#  define IP		(ip-1)
-#  define SET_IP(p)	do {ip=(p); cfa=*ip++;} while(0)
-#  define NEXT_INST	(cfa)
-#  define INC_IP(const_inc)	do {cfa=IP[const_inc]; ip+=(const_inc);} while(0)
-#  define DEF_CA
-#  define NEXT_P1
-#  define NEXT_P1_5	do {GOTO(cfa);} while(0)
-#  define EXEC1(XT)	({cfa=(XT); *cfa;})
-#endif
-
-#if THREADING_SCHEME==2
-#warning direct threading scheme 2: autoinc, long latency, cfa dead
-#  define NEXT_P0	(ip++)
-#  define CFA		cfa
-#  define IP		(ip-1)
-#  define SET_IP(p)	do {ip=(p); NEXT_P0;} while(0)
-#  define NEXT_INST	(*(ip-1))
-#  define INC_IP(const_inc)	do { ip+=(const_inc);} while(0)
-#  define DEF_CA
-#  define NEXT_P1
-#  define NEXT_P1_5	do {KILLS GOTO(*(ip-1));} while(0)
-#  define EXEC1(XT)	({cfa=(XT); *cfa;})
-#endif
-
-
-#if THREADING_SCHEME==3
-#warning direct threading scheme 3: autoinc, low latency, cfa live
-#  define NEXT_P0
-#  define CFA		cfa
-#  define IP		(ip)
-#  define SET_IP(p)	do {ip=(p); NEXT_P0;} while(0)
-#  define NEXT_INST	(*ip)
-#  define INC_IP(const_inc)	do {ip+=(const_inc);} while(0)
-#  define DEF_CA
-#  define NEXT_P1	do {cfa=*ip++;} while(0)
-#  define NEXT_P1_5	do {GOTO(cfa);} while(0)
-#  define EXEC1(XT)	({cfa=(XT); *cfa;})
-#endif
-
-#if THREADING_SCHEME==4
-#warning direct threading scheme 4: autoinc, low latency, cfa dead
-#  define NEXT_P0
-#  define CFA		cfa
-#  define IP		(ip)
-#  define SET_IP(p)	do {ip=(p); NEXT_P0;} while(0)
-#  define NEXT_INST	(*ip)
-#  define INC_IP(const_inc)	do { ip+=(const_inc);} while(0)
-#  define DEF_CA
-#  define NEXT_P1
-#  define NEXT_P1_5	do {KILLS GOTO(*(ip++));} while(0)
-#  define EXEC1(XT)	({cfa=(XT); *cfa;})
-#endif
-
-#if THREADING_SCHEME==5
-#warning direct threading scheme 5: long latency, cfa live
-#  define NEXT_P0	do {cfa1=cfa; cfa=*ip;} while(0)
-#  define CFA		cfa1
-#  define MORE_VARS     Xt cfa1;
-#  define IP		(ip)
-#  define SET_IP(p)	do {ip=(p); cfa=*ip;} while(0)
-#  define NEXT_INST	(cfa)
-#  define INC_IP(const_inc)	do {cfa=IP[const_inc]; ip+=(const_inc);} while(0)
-#  define DEF_CA
-#  define NEXT_P1	(ip++)
-#  define NEXT_P1_5	do {GOTO(cfa);} while(0)
-#  define EXEC1(XT)	({cfa=(XT); *cfa;})
-#endif
-
-#if THREADING_SCHEME==6
-#warning direct threading scheme 6: long latency, cfa dead
-#  define NEXT_P0
-#  define CFA		cfa
-#  define IP		(ip)
-#  define SET_IP(p)	do {ip=(p); NEXT_P0;} while(0)
-#  define NEXT_INST	(*ip)
-#  define INC_IP(const_inc)	do {ip+=(const_inc);} while(0)
-#  define DEF_CA
-#  define NEXT_P1	(ip++)
-#  define NEXT_P1_5	do {KILLS GOTO(*(ip-1));} while(0)
-#  define EXEC1(XT)	({cfa=(XT); *cfa;})
-#endif
-
-
-#if THREADING_SCHEME==7
-#warning direct threading scheme 7: low latency, cfa live
-#  define NEXT_P0
-#  define CFA		cfa
-#  define IP		(ip)
-#  define SET_IP(p)	do {ip=(p); NEXT_P0;} while(0)
-#  define NEXT_INST	(*ip)
-#  define INC_IP(const_inc)	do {ip+=(const_inc);} while(0)
-#  define DEF_CA
-#  define NEXT_P1	do {cfa=*ip++;} while(0)
-#  define NEXT_P1_5	do {GOTO(cfa);} while(0)
-#  define EXEC1(XT)	({cfa=(XT); *cfa;})
-#endif
-
-#if THREADING_SCHEME==8
 #warning direct threading scheme 8: cfa dead, i386 hack
 #  define NEXT_P0
 #  define CFA		cfa
@@ -292,155 +185,11 @@ before_goto: goto *real_ca; after_goto:
 #  define NEXT_P1	(ip++)
 #  define NEXT_P1_5	do {KILLS GOTO(*(ip-1));} while(0)
 #  define EXEC1(XT)	({cfa=(XT); *cfa;})
-#endif
-
-#if THREADING_SCHEME==9
-#warning direct threading scheme 9: Power/PPC hack, long latency
-/* Power uses a prepare-to-branch instruction, and the latency between
-   this inst and the branch is 5 cycles on a PPC604; so we utilize this
-   to do some prefetching in between */
-#  define NEXT_P0
-#  define CFA		cfa
-#  define IP		ip
-#  define SET_IP(p)	do {ip=(p); next_cfa=*ip; NEXT_P0;} while(0)
-#  define NEXT_INST	(next_cfa)
-#  define INC_IP(const_inc)	do {next_cfa=IP[const_inc]; ip+=(const_inc);} while(0)
-#  define DEF_CA	
-#  define NEXT_P1	do {cfa=next_cfa; ip++; next_cfa=*ip;} while(0)
-#  define NEXT_P1_5	do {GOTO(cfa);} while(0)
-#  define EXEC1(XT)	({cfa=(XT); *cfa;})
-#  define MORE_VARS	Xt next_cfa;
-#endif
-
-#if THREADING_SCHEME==10
-#warning direct threading scheme 10: plain (no attempt at scheduling)
-#  define NEXT_P0
-#  define CFA		cfa
-#  define IP		(ip)
-#  define SET_IP(p)	do {ip=(p); NEXT_P0;} while(0)
-#  define NEXT_INST	(*ip)
-#  define INC_IP(const_inc)	do {ip+=(const_inc);} while(0)
-#  define DEF_CA
-#  define NEXT_P1
-#  define NEXT_P1_5	do {cfa=*ip++; GOTO(cfa);} while(0)
-#  define EXEC1(XT)	({cfa=(XT); *cfa;})
-#endif
 
 /* direct threaded */
 #else
 /* indirect THREADED  */
 
-#ifndef THREADING_SCHEME
-#define THREADING_SCHEME 6
-#endif
-
-#if THREADING_SCHEME==1
-#warning indirect threading scheme 1: autoinc, long latency, cisc
-#  define NEXT_P0	do {cfa1=cfa; cfa=*ip++;} while(0)
-#  define CFA		cfa1
-#  define MORE_VARS     Xt cfa1;
-#  define IP		(ip-1)
-#  define SET_IP(p)	do {ip=(p); cfa=*ip++;} while(0)
-#  define NEXT_INST	(cfa)
-#  define INC_IP(const_inc)	do {cfa=IP[const_inc]; ip+=(const_inc);} while(0)
-#  define DEF_CA
-#  define NEXT_P1
-#  define NEXT_P1_5	do {GOTO(*cfa);} while(0)
-#  define EXEC1(XT)	({cfa=(XT); *cfa;})
-#endif
-
-#if THREADING_SCHEME==2
-#warning indirect threading scheme 2: autoinc, long latency
-#  define NEXT_P0	do {cfa1=cfa; cfa=*ip++;} while(0)
-#  define CFA		cfa1
-#  define MORE_VARS     Xt cfa1;
-#  define IP		(ip-1)
-#  define SET_IP(p)	do {ip=(p); cfa=*ip++;} while(0)
-#  define NEXT_INST	(cfa)
-#  define INC_IP(const_inc)	do {cfa=IP[const_inc]; ip+=(const_inc);} while(0)
-#  define DEF_CA	Label ca;
-#  define NEXT_P1	do {ca=*cfa;} while(0)
-#  define NEXT_P1_5	do {GOTO(ca);} while(0)
-#  define EXEC1(XT)	({DEF_CA cfa=(XT); ca=*cfa; ca;})
-#endif
-
-
-#if THREADING_SCHEME==3
-#warning indirect threading scheme 3: autoinc, low latency, cisc
-#  define NEXT_P0
-#  define CFA		cfa
-#  define IP		(ip)
-#  define SET_IP(p)	do {ip=(p); NEXT_P0;} while(0)
-#  define NEXT_INST	(*ip)
-#  define INC_IP(const_inc)	do {ip+=(const_inc);} while(0)
-#  define DEF_CA
-#  define NEXT_P1
-#  define NEXT_P1_5	do {cfa=*ip++; GOTO(*cfa);} while(0)
-#  define EXEC1(XT)	({cfa=(XT); *cfa;})
-#endif
-
-#if THREADING_SCHEME==4
-#warning indirect threading scheme 4: autoinc, low latency
-#  define NEXT_P0	do {cfa1=cfa; cfa=*ip++;} while(0)
-#  define CFA		cfa1
-#  define MORE_VARS     Xt cfa1;
-#  define IP		(ip-1)
-#  define SET_IP(p)	do {ip=(p); cfa=*ip++;} while(0)
-#  define NEXT_INST	(cfa)
-#  define INC_IP(const_inc)	do {cfa=IP[const_inc]; ip+=(const_inc);} while(0)
-#  define DEF_CA	Label ca;
-#  define NEXT_P1	do {ca=*cfa;} while(0)
-#  define NEXT_P1_5	do {GOTO(ca);} while(0)
-#  define EXEC1(XT)	({DEF_CA cfa=(XT); ca=*cfa; ca;})
-#endif
-
-
-#if THREADING_SCHEME==5
-#warning indirect threading scheme 5: long latency, cisc
-#  define NEXT_P0	do {cfa1=cfa; cfa=*ip;} while(0)
-#  define CFA		cfa1
-#  define MORE_VARS     Xt cfa1;
-#  define IP		(ip)
-#  define SET_IP(p)	do {ip=(p); cfa=*ip;} while(0)
-#  define NEXT_INST	(cfa)
-#  define INC_IP(const_inc)	do {cfa=IP[const_inc]; ip+=(const_inc);} while(0)
-#  define DEF_CA
-#  define NEXT_P1	(ip++)
-#  define NEXT_P1_5	do {GOTO(*cfa);} while(0)
-#  define EXEC1(XT)	({cfa=(XT); *cfa;})
-#endif
-
-#if THREADING_SCHEME==6
-#warning indirect threading scheme 6: long latency
-#  define NEXT_P0	do {cfa1=cfa; cfa=*ip;} while(0)
-#  define CFA		cfa1
-#  define MORE_VARS     Xt cfa1;
-#  define IP		(ip)
-#  define SET_IP(p)	do {ip=(p); cfa=*ip;} while(0)
-#  define NEXT_INST	(cfa)
-#  define INC_IP(const_inc)	do {cfa=IP[const_inc]; ip+=(const_inc);} while(0)
-#  define DEF_CA	Label ca;
-#  define NEXT_P1	do {ip++; ca=*cfa;} while(0)
-#  define NEXT_P1_5	do {GOTO(ca);} while(0)
-#  define EXEC1(XT)	({DEF_CA cfa=(XT); ca=*cfa; ca;})
-#endif
-
-#if THREADING_SCHEME==7
-#warning indirect threading scheme 7: low latency
-#  define NEXT_P0	do {cfa1=cfa; cfa=*ip;} while(0)
-#  define CFA		cfa1
-#  define MORE_VARS     Xt cfa1;
-#  define IP		(ip)
-#  define SET_IP(p)	do {ip=(p); cfa=*ip;} while(0)
-#  define NEXT_INST	(cfa)
-#  define INC_IP(const_inc)	do {cfa=IP[const_inc]; ip+=(const_inc);} while(0)
-#  define DEF_CA	Label ca;
-#  define NEXT_P1	do {ip++; ca=*cfa;} while(0)
-#  define NEXT_P1_5	do {GOTO(ca);} while(0)
-#  define EXEC1(XT)	({DEF_CA cfa=(XT); ca=*cfa; ca;})
-#endif
-
-#if THREADING_SCHEME==8
 #warning indirect threading scheme 8: low latency,cisc
 #  define NEXT_P0
 #  define CFA		cfa
@@ -452,7 +201,6 @@ before_goto: goto *real_ca; after_goto:
 #  define NEXT_P1
 #  define NEXT_P1_5	do {cfa=*ip++; GOTO(*cfa);} while(0)
 #  define EXEC1(XT)	({cfa=(XT); *cfa;})
-#endif
 
 /* indirect threaded */
 #endif