put heavily used pointer variables in registers

lang/cem/cemcom/align.h

@@ -1,6 +1,8 @@
 /* $Header$ */
 /*	 A L I G N M E N T   D E F I N I T I O N S	*/
 
+#include "nofloat.h"
+
 extern int
 	short_align, word_align, int_align, long_align,
 #ifndef NOFLOAT