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short optab[5];
char buf[10];
execute (ip)
register short *ip;
{
#ifndef NO_LABEL_VALUES
register void *base = &&x;
char *bp = buf;
static void *tab[] = {&&x, &&y, &&z};
if (ip == 0)
{
int i;
for (i = 0; i < 3; ++i)
optab[i] = (short)(tab[i] - base);
return;
}
x: *bp++='x';
goto *(base + *ip++);
y: *bp++='y';
goto *(base + *ip++);
z: *bp++='z';
*bp=0;
return;
#else
strcpy (buf, "xyxyz");
#endif
}
short p[5];
main ()
{
execute ((short *) 0);
p[0] = optab[1];
p[1] = optab[0];
p[2] = optab[1];
p[3] = optab[2];
execute (&p);
if (strcmp (buf, "xyxyz"))
abort ();
exit (0);
}
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