h8300.c (dosize): Avoid corrupting R3 in interrupt routines.

	* config/h8300/h8300.c (dosize): Avoid corrupting R3 in interrupt
	routines.

From-SVN: r47057

gcc/ChangeLog

+2001-11-15  Richard Hodson  <hodsonr@dionecorp.com>
+
+	* config/h8300/h8300.c (dosize): Avoid corrupting R3 in interrupt
+	routines.
+
 2001-11-15  Neil Booth  <neil@daikokuya.demon.co.uk>
 
 	* fix-header.c (read_scan_file): Update.

gcc/config/h8300/h8300.c

@@ -187,6 +187,7 @@ dosize (file, op, size)
      subs since this shouldn't happen often.  */
   if ((TARGET_H8300 && size <= 4)
       || ((TARGET_H8300H || TARGET_H8300S) && size <= 8)
+      || (TARGET_H8300 && interrupt_handler)
       || (TARGET_H8300 && current_function_needs_context
 	  && ! strcmp (op, "sub")))
     {