deps_start_bb takes an insn

gcc/ChangeLog:
	* sched-deps.c (deps_start_bb): Strengthen param "head" and local
	"insn" from rtx to rtx_insn *.
	* sched-int.h (deps_start_bb): Likewise for 2nd param.

From-SVN: r215268

gcc/ChangeLog

+2014-09-15  David Malcolm  <dmalcolm@redhat.com>
+
+	* sched-deps.c (deps_start_bb): Strengthen param "head" and local
+	"insn" from rtx to rtx_insn *.
+	* sched-int.h (deps_start_bb): Likewise for 2nd param.
+
 2014-09-15  Alexander Ivchenko  <alexander.ivchenko@intel.com>
 	    Maxim Kuznetsov  <maxim.kuznetsov@intel.com>
 	    Anna Tikhonova  <anna.tikhonova@intel.com>

gcc/sched-deps.c

@@ -3773,7 +3773,7 @@ deps_analyze_insn (struct deps_desc *deps, rtx_insn *insn)
 
 /* Initialize DEPS for the new block beginning with HEAD.  */
 void
-deps_start_bb (struct deps_desc *deps, rtx head)
+deps_start_bb (struct deps_desc *deps, rtx_insn *head)
 {
   gcc_assert (!deps->readonly);
 
@@ -3782,7 +3782,7 @@ deps_start_bb (struct deps_desc *deps, rtx head)
      hard registers correct.  */
   if (! reload_completed && !LABEL_P (head))
     {
-      rtx insn = prev_nonnote_nondebug_insn (head);
+      rtx_insn *insn = prev_nonnote_nondebug_insn (head);
 
       if (insn && CALL_P (insn))
 	deps->in_post_call_group_p = post_call_initial;

gcc/sched-int.h

@@ -1325,7 +1325,7 @@ extern void haifa_note_reg_use (int);
 
 extern void maybe_extend_reg_info_p (void);
 
-extern void deps_start_bb (struct deps_desc *, rtx);
+extern void deps_start_bb (struct deps_desc *, rtx_insn *);
 extern enum reg_note ds_to_dt (ds_t);
 
 extern bool deps_pools_are_empty_p (void);