Silence gcc warning on min_regno.

2010-07-12  H.J. Lu  <hongjiu.lu@intel.com>

	PR bootstrap/44921
	* postreload.c (move2add_use_add3_insn): Silence gcc warning
	on min_regno.

From-SVN: r162120

gcc/ChangeLog

+2010-07-12  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR bootstrap/44921
+	* postreload.c (move2add_use_add3_insn): Silence gcc warning
+	on min_regno.
+
 2010-07-12  Jakub Jelinek  <jakub@redhat.com>
 
 	* tree-vrp.c (simplify_bit_ops_using_ranges): New function.

gcc/postreload.c

@@ -1281,7 +1281,7 @@ move2add_use_add3_insn (rtx reg, rtx sym, rtx off, rtx insn)
   rtx src = SET_SRC (pat);
   int regno = REGNO (reg);
   int min_cost = INT_MAX;
-  int min_regno;
+  int min_regno = 0;
   bool speed = optimize_bb_for_speed_p (BLOCK_FOR_INSN (insn));
   int i;