Strengthen params to active_insn_between

gcc/
2014-08-28  David Malcolm  <dmalcolm@redhat.com>

	* shrink-wrap.h (active_insn_between): Strengthen both params from
	rtx to rtx_insn *.
	* function.c (active_insn_between): Likewise.

From-SVN: r214704

gcc/ChangeLog

 2014-08-28  David Malcolm  <dmalcolm@redhat.com>
 
+	* shrink-wrap.h (active_insn_between): Strengthen both params from
+	rtx to rtx_insn *.
+	* function.c (active_insn_between): Likewise.
+
+2014-08-28  David Malcolm  <dmalcolm@redhat.com>
+
 	* genattr.c (main): When writing out insn-attr.h, strengthen param
 	of dfa_clear_single_insn_cache from rtx to rtx_insn *.
 	* genautomata.c (output_dfa_clean_insn_cache_func): Likewise when

gcc/function.c

@@ -5426,9 +5426,8 @@ set_return_jump_label (rtx returnjump)
 #if defined (HAVE_return) || defined (HAVE_simple_return)
 /* Return true if there are any active insns between HEAD and TAIL.  */
 bool
-active_insn_between (rtx head, rtx uncast_tail)
+active_insn_between (rtx_insn *head, rtx_insn *tail)
 {
-  rtx_insn *tail = safe_as_a <rtx_insn *> (uncast_tail);
   while (tail)
     {
       if (active_insn_p (tail))

gcc/shrink-wrap.h

@@ -27,7 +27,7 @@ along with GCC; see the file COPYING3.  If not see
 #ifdef HAVE_simple_return
 /* In function.c.  */
 extern void emit_return_into_block (bool simple_p, basic_block bb);
-extern bool active_insn_between (rtx head, rtx tail);
+extern bool active_insn_between (rtx_insn *head, rtx_insn *tail);
 extern vec<edge> convert_jumps_to_returns (basic_block last_bb, bool simple_p,
 					   vec<edge> unconverted);
 extern basic_block emit_return_for_exit (edge exit_fallthru_edge,