re PR middle-end/45098 (Missed induction variable optimization)

2011-05-22  Tom de Vries  <tom@codesourcery.com>

	PR target/45098
	* tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Fix const test
	for call to get_shiftadd_cost.

From-SVN: r174033

gcc/ChangeLog

+2011-05-22  Tom de Vries  <tom@codesourcery.com>
+
+	PR target/45098
+	* tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Fixed const test
+	for call to get_shiftadd_cost.
+
 2011-05-22  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR target/49104

gcc/tree-ssa-loop-ivopts.c

@@ -3685,7 +3685,7 @@ force_expr_to_var_cost (tree expr, bool speed)
             mult = op0;
 
           if (mult != NULL_TREE
-              && TREE_CODE (TREE_OPERAND (mult, 1)) == INTEGER_CST
+              && cst_and_fits_in_hwi (TREE_OPERAND (mult, 1))
               && get_shiftadd_cost (expr, mode, cost0, cost1, mult, speed,
                                     &sa_cost))
             return sa_cost;