caller-save.c: Use rtx_insn

gcc/
2014-08-21  David Malcolm  <dmalcolm@redhat.com>

	* caller-save.c (save_call_clobbered_regs): Strengthen locals
	"ins" and "prev" from rtx to rtx_insn *.

From-SVN: r214290

gcc/ChangeLog

 2014-08-21  David Malcolm  <dmalcolm@redhat.com>
 
+	* caller-save.c (save_call_clobbered_regs): Strengthen locals
+	"ins" and "prev" from rtx to rtx_insn *.
+
+2014-08-21  David Malcolm  <dmalcolm@redhat.com>
+
 	* calls.c (emit_call_1): Strengthen local "call_insn" from rtx to
 	rtx_insn *.
 	(internal_arg_pointer_exp_state): Likewise for field "scan_start".

gcc/caller-save.c

@@ -901,7 +901,7 @@ save_call_clobbered_regs (void)
 	      && last
 	      && last->block == chain->block)
 	    {
-	      rtx ins, prev;
+	      rtx_insn *ins, *prev;
 	      basic_block bb = BLOCK_FOR_INSN (insn);
 
 	      /* When adding hard reg restores after a DEBUG_INSN, move