re PR middle-end/58564 (possible wrong code bug at -O0)

	PR middle-end/58564
	* fold-const.c (tree_unary_nonnegative_warnv_p): Use
	INTEGRAL_TYPE_P (t) instead of TREE_CODE (t) == INTEGER_TYPE.

From-SVN: r203044

gcc/ChangeLog

 2013-09-30  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/58564
+	* fold-const.c (tree_unary_nonnegative_warnv_p): Use
+	INTEGRAL_TYPE_P (t) instead of TREE_CODE (t) == INTEGER_TYPE.
+
+	PR middle-end/58564
 	* fold-const.c (fold_ternary_loc): For A < 0 : <sign bit of A> : 0
 	optimization, punt if sign_bit_p looked through any zero extension.
 

gcc/fold-const.c

@@ -15448,7 +15448,7 @@ tree_unary_nonnegative_warnv_p (enum tree_code code, tree type, tree op0,
 	    if (TREE_CODE (inner_type) == REAL_TYPE)
 	      return tree_expr_nonnegative_warnv_p (op0,
 						    strict_overflow_p);
-	    if (TREE_CODE (inner_type) == INTEGER_TYPE)
+	    if (INTEGRAL_TYPE_P (inner_type))
 	      {
 		if (TYPE_UNSIGNED (inner_type))
 		  return true;
@@ -15456,12 +15456,12 @@ tree_unary_nonnegative_warnv_p (enum tree_code code, tree type, tree op0,
 						      strict_overflow_p);
 	      }
 	  }
-	else if (TREE_CODE (outer_type) == INTEGER_TYPE)
+	else if (INTEGRAL_TYPE_P (outer_type))
 	  {
 	    if (TREE_CODE (inner_type) == REAL_TYPE)
 	      return tree_expr_nonnegative_warnv_p (op0,
 						    strict_overflow_p);
-	    if (TREE_CODE (inner_type) == INTEGER_TYPE)
+	    if (INTEGRAL_TYPE_P (inner_type))
 	      return TYPE_PRECISION (inner_type) < TYPE_PRECISION (outer_type)
 		      && TYPE_UNSIGNED (inner_type);
 	  }