PR middle end/18718

	PR middle end/18718
	* sched-rgn.c (schedule_region): Don't assume REG_SAVE_NOTEs are
	in pairs.
	* sched-ebb.c (schedule_ebb): Likewise.

From-SVN: r91702

gcc/ChangeLog

+2004-12-04  Alan Modra  <amodra@bigpond.net.au>
+
+	PR middle end/18718
+	* sched-rgn.c (schedule_region): Don't assume REG_SAVE_NOTEs are
+	in pairs.
+	* sched-ebb.c (schedule_ebb): Likewise.
+
 2004-12-03  Andreas Schwab  <schwab@suse.de>
 
 	* Makefile.in (HOSTHOOKS_DEF_H): Define.

gcc/sched-ebb.c

@@ -525,11 +525,7 @@ schedule_ebb (rtx head, rtx tail)
 
       for (note = REG_NOTES (head); note; note = XEXP (note, 1))
 	if (REG_NOTE_KIND (note) == REG_SAVE_NOTE)
-	  {
-	    remove_note (head, note);
-	    note = XEXP (note, 1);
-	    remove_note (head, note);
-	  }
+	  remove_note (head, note);
     }
 
   /* Remove remaining note insns from the block, save them in

gcc/sched-rgn.c

@@ -2324,11 +2324,7 @@ schedule_region (int rgn)
 
 	  for (note = REG_NOTES (head); note; note = XEXP (note, 1))
 	    if (REG_NOTE_KIND (note) == REG_SAVE_NOTE)
-	      {
-		remove_note (head, note);
-		note = XEXP (note, 1);
-		remove_note (head, note);
-	      }
+	      remove_note (head, note);
 	}
 
       /* Remove remaining note insns from the block, save them in