emit_note_before can take a rtx_insn *

gcc/ChangeLog:

2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* emit-rtl.c (emit_note_before): Change argument type to rtx_insn *.
	* rtl.h: Adjust.

From-SVN: r222946

gcc/ChangeLog

 2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 
+	* emit-rtl.c (emit_note_before): Change argument type to rtx_insn *.
+	* rtl.h: Adjust.
+
+2015-05-08  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
+
 	* emit-rtl.c (emit_note_after): Change argument type to rtx_insn *.
 	* rtl.h: Adjust.
 

gcc/emit-rtl.c

@@ -4647,9 +4647,8 @@ emit_note_after (enum insn_note subtype, rtx_insn *after)
 /* Emit a note of subtype SUBTYPE before the insn BEFORE.  */
 
 rtx_note *
-emit_note_before (enum insn_note subtype, rtx uncast_before)
+emit_note_before (enum insn_note subtype, rtx_insn *before)
 {
-  rtx_insn *before = as_a <rtx_insn *> (uncast_before);
   rtx_note *note = make_note_raw (subtype);
   basic_block bb = BARRIER_P (before) ? NULL : BLOCK_FOR_INSN (before);
   bool on_bb_boundary_p = (bb != NULL && BB_HEAD (bb) == before);

gcc/rtl.h

@@ -2671,7 +2671,7 @@ extern rtx_insn *emit_debug_insn_before_noloc (rtx, rtx);
 extern rtx_insn *emit_debug_insn_before_setloc (rtx, rtx, int);
 extern rtx_barrier *emit_barrier_before (rtx);
 extern rtx_insn *emit_label_before (rtx, rtx_insn *);
-extern rtx_note *emit_note_before (enum insn_note, rtx);
+extern rtx_note *emit_note_before (enum insn_note, rtx_insn *);
 extern rtx_insn *emit_insn_after (rtx, rtx);
 extern rtx_insn *emit_insn_after_noloc (rtx, rtx, basic_block);
 extern rtx_insn *emit_insn_after_setloc (rtx, rtx, int);