--- gforth/engine/engine.c	2003/10/09 14:15:20	1.68
+++ gforth/engine/engine.c	2003/10/16 18:48:03	1.70
@@ -156,6 +156,12 @@ extern int gforth_memcmp(const char * s1
 #ifndef TOSREG
 #define TOSREG
 #endif
+#ifndef spaREG
+#define spaREG
+#endif
+#ifndef spbREG
+#define spbREG
+#endif
 #ifndef FTOSREG
 #define FTOSREG
 #endif
@@ -179,12 +185,16 @@ extern int gforth_memcmp(const char * s1
 #define SUPER_CONTINUE
 
 #ifdef GFORTH_DEBUGGING
+#if DEBUG
+#define NAME(string) { saved_ip=ip; asm(""); fprintf(stderr,"%08lx depth=%3ld: "string"\n",(Cell)ip,sp0+3-sp);}
+#else /* !DEBUG */
 #define NAME(string) { saved_ip=ip; asm(""); }
 /* the asm here is to avoid reordering of following stuff above the
    assignment; this is an old-style asm (no operands), and therefore
    is treated like "asm volatile ..."; i.e., it prevents most
    reorderings across itself.  We want the assignment above first,
    because the stack loads may already cause a stack underflow. */
+#endif /* !DEBUG */
 #elif DEBUG
 #       define  NAME(string)    fprintf(stderr,"%08lx depth=%3ld: "string"\n",(Cell)ip,sp0+3-sp);
 #else
@@ -267,7 +277,9 @@ Label *engine(Xt *ip0, Cell *sp0, Cell *
   void * prv;
 #endif
   register Address up UPREG = UP;
-  IF_spTOS(register Cell spTOS TOSREG;)
+  register Cell MAYBE_UNUSED spa TOSREG;
+  register Cell MAYBE_UNUSED spb spaREG;
+  register Cell MAYBE_UNUSED spc spbREG;
   IF_fpTOS(register Float fpTOS FTOSREG;)
 #if defined(DOUBLY_INDIRECT)
   static Label *symbols;