re PR middle-end/48367 (200.sixtrack/301.apsi in SPEC CPU 2000 are miscompiled)

2011-03-30  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/48367
	* ira-costs.c (find_costs_and_classes): Fix a typo in i_mem_cost
	calculation.

From-SVN: r171767

gcc/ChangeLog

+2011-03-30  Vladimir Makarov  <vmakarov@redhat.com>
+
+	PR middle-end/48367
+	* ira-costs.c (find_costs_and_classes): Fix a typo in i_mem_cost
+	calculation.
+
 2011-03-30  Jeff Law  <law@redhat.com>
 
 	* PR bootstrap/48371

gcc/ira-costs.c

@@ -1652,7 +1652,7 @@ find_costs_and_classes (FILE *dump_file)
 			i_costs[k] += add_cost;
 		    }
 		  add_cost = COSTS (costs, a_num)->mem_cost;
-		  if (add_cost && INT_MAX - add_cost < i_mem_cost)
+		  if (add_cost > 0 && INT_MAX - add_cost < i_mem_cost)
 		    i_mem_cost = INT_MAX;
 		  else
 		    i_mem_cost += add_cost;