Tweak to ira-lives.c

gcc/
2014-08-27  David Malcolm  <dmalcolm@redhat.com>

	* ira-lives.c (find_call_crossed_cheap_reg): Strengthen local
	"prev" from rtx to rtx_insn *.

From-SVN: r214587

gcc/ChangeLog

 2014-08-27  David Malcolm  <dmalcolm@redhat.com>
 
+	* ira-lives.c (find_call_crossed_cheap_reg): Strengthen local
+	"prev" from rtx to rtx_insn *.
+
+2014-08-27  David Malcolm  <dmalcolm@redhat.com>
+
 	* rtl.h (INSN_UID): Convert from a macro to a pair of inline
 	functions.  Require merely an rtx for now, not an rtx_insn *.
 	(BLOCK_FOR_INSN): Likewise.

gcc/ira-lives.c

@@ -1004,7 +1004,7 @@ find_call_crossed_cheap_reg (rtx_insn *insn)
     {
       basic_block bb = BLOCK_FOR_INSN (insn);
       rtx reg = SET_SRC (exp);
-      rtx prev = PREV_INSN (insn);
+      rtx_insn *prev = PREV_INSN (insn);
       while (prev && !(INSN_P (prev)
 		       && BLOCK_FOR_INSN (prev) != bb))
 	{