--- a/src/m/hp9000s300.h	Mon Aug 13 11:19:22 2007 +0200
+++ b/src/m/hp9000s300.h	Mon Aug 13 11:20:41 2007 +0200
@@ -39,6 +39,11 @@
 
 /* #define HPUX_5 */
 
+/* Define WORD_MACHINE if addresses and such have
+ * to be corrected before they can be used as byte counts.  */
+
+/* #define WORD_MACHINE */
+
 /* Now define a symbol for the cpu type, if your compiler
    does not define it automatically.  */
 
@@ -46,6 +51,14 @@
 #define hp9000s300
 #endif
 
+/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
+   the bit field into an int.  In other words, if bit fields
+   are always unsigned.
+
+   If you use NO_UNION_TYPE, this flag does not matter.  */
+
+#define EXPLICIT_SIGN_EXTEND
+
 /* Define CANNOT_DUMP on machines where unexec does not work.
    Then the function dump-emacs will not be defined
    and temacs will do (load "loadup") automatically unless told otherwise.  */