505   int is_16bit = (*d->prefixes & has_data16) != 0;  in FCT_ax()  local
511   if (*bufcntp + 4 - is_16bit > bufsize)  in FCT_ax()
512     return *bufcntp + 4 - is_16bit - bufsize;  in FCT_ax()
515   if (! is_16bit)  in FCT_ax()
943       int is_16bit = (prefixes & has_data16) != 0;  in FCT_mod$r_m()  local
947       if (*bufcntp + 5 - is_16bit > d->bufsize)  in FCT_mod$r_m()
948 	return *bufcntp + 5 - is_16bit - d->bufsize;  in FCT_mod$r_m()
953       if ((prefixes & has_rex_b) != 0 && !is_16bit)  in FCT_mod$r_m()
962 	  cp = stpcpy (&bufp[*bufcntp], dregs[modrm & 7] + is_16bit);  in FCT_mod$r_m()
1055 	  int is_16bit = (prefixes & has_data16) != 0;  in FCT_mod$r_m$w()  local
1061 	  if ((prefixes & has_rex_b) != 0 && !is_16bit)  in FCT_mod$r_m$w()
1070 	      cp = stpcpy (&bufp[*bufcntp], dregs[modrm & 7] + is_16bit);  in FCT_mod$r_m$w()
1167   int is_16bit = (*d->prefixes & has_data16) != 0;  in FCT_reg()  local
1173   if ((*d->prefixes & has_rex_r) != 0 && !is_16bit)  in FCT_reg()
1183       memcpy (&d->bufp[*bufcntp], dregs[byte] + is_16bit, 3 - is_16bit);  in FCT_reg()
1185       if ((*d->prefixes & has_rex_w) != 0 && !is_16bit)  in FCT_reg()
1188       *bufcntp += 3 - is_16bit;  in FCT_reg()