jump.c (redirect_exp_1): If nlabel is a NULL pointer create a RETURN rtx...

	* jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
	RETURN rtx, and not a LABEL_REF containing a NULL pointer.

Co-Authored-By: Andrew Pinski <pinskia@physics.uc.edu>

From-SVN: r95830

gcc/ChangeLog

+2005-03-03  Roger Sayle  <roger@eyesopen.com>
+	    Andrew Pinski  <pinskia@physics.uc.edu>
+
+	* jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
+	RETURN rtx, and not a LABEL_REF containing a NULL pointer.
+
 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
 
 	Describe special registers SRP and MOF as allocatable registers.

gcc/jump.c

@@ -1539,7 +1539,10 @@ redirect_exp_1 (rtx *loc, rtx olabel, rtx nlabel, rtx insn)
     }
   else if (code == RETURN && olabel == 0)
     {
-      x = gen_rtx_LABEL_REF (VOIDmode, nlabel);
+      if (nlabel)
+	x = gen_rtx_LABEL_REF (VOIDmode, nlabel);
+      else
+	x = gen_rtx_RETURN (VOIDmode);
       if (loc == &PATTERN (insn))
 	x = gen_rtx_SET (VOIDmode, pc_rtx, x);
       validate_change (insn, loc, x, 1);