Partially reverted: 2013-05-31 Tobias Burnus <burnus@net-b.de>

2013-06-01  Tobias Burnus  <burnus@net-b.de>

        Partially reverted:
        2013-05-31  Tobias Burnus  <burnus@net-b.de>

        PR middle-end/57073
        * tree-ssa-math-opts.c (execute_cse_sincos): Move check
        further up.

From-SVN: r199575

gcc/ChangeLog

+2013-06-01  Tobias Burnus  <burnus@net-b.de>
+
+	Partially reverted:
+	2013-05-31  Tobias Burnus  <burnus@net-b.de>
+
+	PR middle-end/57073
+	* tree-ssa-math-opts.c (execute_cse_sincos): Move check
+	further up.
+
 2013-05-31  Dinar Temirbulatov  <dinar@kugelworks.com>
 
 	PR rtl-optimization/57268

gcc/tree-ssa-math-opts.c

@@ -1447,9 +1447,6 @@ execute_cse_sincos (void)
 		  arg1 = gimple_call_arg (stmt, 1);
 		  loc = gimple_location (stmt);
 
-		  if (!host_integerp (arg1, 0))
-		    break;
-
 		  if (real_minus_onep (arg0))
 		    {
                       tree t0, t1, cond, one, minus_one;
@@ -1477,6 +1474,9 @@ execute_cse_sincos (void)
 		    }
 		  else
 		    {
+		      if (!host_integerp (arg1, 0))
+			break;
+
 		      n = TREE_INT_CST_LOW (arg1);
 		      result = gimple_expand_builtin_powi (&gsi, loc, arg0, n);
 		    }