re PR rtl-optimization/70703 (Regression in register usage on x86)

2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/70703
	* ira-color.c (update_conflict_hard_regno_costs): Use
	int64_t instead of HOST_WIDE_INT.

From-SVN: r246765

gcc/ChangeLog

 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
 
+	PR rtl-optimization/70703
+	* ira-color.c (update_conflict_hard_regno_costs): Use
+	int64_t instead of HOST_WIDE_INT.
+
+2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
+
 	PR rtl-optimization/70478
 	* lra-constraints.c (process_alt_operands): Disfavor alternative
 	insn memory operands.

gcc/ira-color.c

@@ -1522,7 +1522,7 @@ update_conflict_hard_regno_costs (int *costs, enum reg_class aclass,
 		index = ira_class_hard_reg_index[aclass][hard_regno];
 		if (index < 0)
 		  continue;
-		cost = (int) (((HOST_WIDE_INT) conflict_costs [i] * mult) / div);
+		cost = (int) (((int64_t) conflict_costs [i] * mult) / div);
 		if (cost == 0)
 		  continue;
 		cont_p = true;