--- gforth/engine/engine.c	2001/02/24 13:44:39	1.27
+++ gforth/engine/engine.c	2001/03/28 16:18:51	1.30
@@ -244,6 +244,8 @@ static int ufileattr[6]= {
 #define vm_longname2Cell(x)	((Cell)(x))
 #define vm_r2Float(x)	(x)
 
+#define vm_Cell2Cell(x)		(x)
+
 /* if machine.h has not defined explicit registers, define them as implicit */
 #ifndef IPREG
 #define IPREG
@@ -285,6 +287,19 @@ static int ufileattr[6]= {
 #define DOCFA	Xt cfa; GETCFA(cfa)
 #endif
 
+/* instructions containing these must be the last instruction of a
+   super-instruction (e.g., branches, EXECUTE, and other instructions
+   ending the basic block). Instructions containing SET_IP get this
+   automatically, so you usually don't have to write it.  If you have
+   to write it, write it after IP points to the next instruction.
+   Used for profiling.  Don't write it in a word containing SET_IP, or
+   the following block will be counted twice. */
+#ifdef VM_PROFILING
+#define SUPER_END  vm_count_block(IP)
+#else
+#define SUPER_END
+#endif
+
 #ifdef GFORTH_DEBUGGING
 /* define some VM registers as global variables, so they survive exceptions;
    global register variables are not up to the task (according to the 
@@ -293,6 +308,20 @@ Xt *ip;
 Cell *rp;
 #endif
 
+Xt *primtable(Label symbols[], Cell size)
+{
+#ifdef DIRECT_THREADED
+  return symbols;
+#else /* !defined(DIRECT_THREADED) */
+  Xt *xts = (Xt *)malloc(size*sizeof(Xt));
+  Cell i;
+
+  for (i=0; i<size; i++)
+    xts[i] = &symbols[i];
+  return xts;
+#endif /* !defined(DIRECT_THREADED) */
+}
+
 Label *engine(Xt *ip0, Cell *sp0, Cell *rp0, Float *fp0, Address lp0)
 /* executes code at ip, if ip!=NULL
    returns array of machine code labels (for use in a loader), if ip==NULL
@@ -371,6 +400,7 @@ Label *engine(Xt *ip0, Cell *sp0, Cell *
   IF_fpTOS(fpTOS = fp[0]);
 /*  prep_terminal(); */
   SET_IP(ip);
+  SUPER_END; /* count the first block, too */
   NEXT;
 
 
@@ -388,6 +418,7 @@ Label *engine(Xt *ip0, Cell *sp0, Cell *
     /* this is the simple version */
     *--rp = (Cell)ip;
     SET_IP((Xt *)PFA1(cfa));
+    SUPER_END;
     NEXT;
 #else
     /* this one is important, so we help the compiler optimizing */
@@ -395,6 +426,7 @@ Label *engine(Xt *ip0, Cell *sp0, Cell *
       DEF_CA
       rp[-1] = (Cell)ip;
       SET_IP((Xt *)PFA1(cfa));
+      SUPER_END;
       NEXT_P1;
       rp--;
       NEXT_P2;
@@ -456,6 +488,7 @@ Label *engine(Xt *ip0, Cell *sp0, Cell *
 #ifdef DEBUG
     fprintf(stderr,"%08lx: defer: %08lx\n",(Cell)ip,*(Cell*)PFA1(cfa));
 #endif
+    SUPER_END;
     EXEC(*(Xt *)PFA1(cfa));
   }
 
@@ -505,6 +538,7 @@ Label *engine(Xt *ip0, Cell *sp0, Cell *
     *--sp = (Cell)PFA(cfa);
 #endif
     SET_IP(DOES_CODE1(cfa));
+    SUPER_END;
     /*    fprintf(stderr,"TOS = %08lx, IP=%08lx\n", spTOS, IP);*/
   }
   NEXT;