Enable reductions without fassociative-math in graphite

2015-07-24  Tom de Vries  <tom@codesourcery.com>

	* graphite-sese-to-poly.c (build_poly_scop): Always call
	rewrite_commutative_reductions_out_of_ssa.

From-SVN: r226194

gcc/ChangeLog

 2015-07-24  Tom de Vries  <tom@codesourcery.com>
 
+	* graphite-sese-to-poly.c (build_poly_scop): Always call
+	rewrite_commutative_reductions_out_of_ssa.
+
+2015-07-24  Tom de Vries  <tom@codesourcery.com>
+
 	* graphite-sese-to-poly.c (is_reduction_operation_p): Limit
 	flag_associative_math to FLOAT_TYPE_P.  Honour
 	TYPE_OVERFLOW_WRAPS for INTEGRAL_TYPE_P. Don't allow any other types.

gcc/graphite-sese-to-poly.c

@@ -3156,7 +3156,6 @@ build_poly_scop (scop_p scop)
   if (!scop_ivs_can_be_represented (scop))
     return;
 
-  if (flag_associative_math)
   rewrite_commutative_reductions_out_of_ssa (scop);
 
   build_sese_loop_nests (region);