rtl.h (FIND_REG_INC_NOTE): Call find_regno_note for REGs.

	* rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
	|| HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
	|| HAVE_POST_DECREMENT]: Call find_regno_note for REGs.

From-SVN: r45617

gcc/ChangeLog

-2001-09-15  Hans-Peter Nilsson  <hp@bitrange.com>
+2001-09-15  Hans-Peter Nilsson  <hp@axis.com>
+
+	* rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
+	|| HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
+	|| HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
 
 	* reorg.c (fill_slots_from_thread): After call to
 	steal_delay_list_from_target, update own_thread as new_thread may

gcc/rtl.h

@@ -944,7 +944,10 @@ extern unsigned int subreg_regno 	PARAMS ((rtx));
 
 /* Don't continue this line--convex cc version 4.1 would lose.  */
 #if (defined (HAVE_PRE_INCREMENT) || defined (HAVE_PRE_DECREMENT) || defined (HAVE_POST_INCREMENT) || defined (HAVE_POST_DECREMENT))
-#define FIND_REG_INC_NOTE(insn, reg) (find_reg_note ((insn), REG_INC, (reg)))
+#define FIND_REG_INC_NOTE(insn, reg)				\
+  (reg != NULL_RTX && REG_P ((rtx) (reg))			\
+   ? find_regno_note ((insn), REG_INC, REGNO ((rtx) (reg)))	\
+   : find_reg_note ((insn), REG_INC, (reg)))
 #else
 #define FIND_REG_INC_NOTE(insn, reg) 0
 #endif