tree.h (IS_EXPR_CODE_CLASS): Use strchr.

        * tree.h (IS_EXPR_CODE_CLASS): Use strchr.
        (EXPR_P): New macro.

From-SVN: r72773

gcc/ChangeLog

+2003-10-21  Jason Merrill  <jason@redhat.com>
+
+	* tree.h (IS_EXPR_CODE_CLASS): Use strchr.
+	(EXPR_P): New macro.
+
 2003-10-21  Zack Weinberg  <zack@codesourcery.com>
 
 	* config/ia64/ia64.md (cmpxchg_acq_si): Mark operand 3 as DImode.

gcc/tree.h

@@ -56,9 +56,11 @@ extern const char tree_code_type[];
 /* Returns nonzero iff CLASS is the tree-code class of an
    expression.  */
 
-#define IS_EXPR_CODE_CLASS(CLASS) \
-  ((CLASS) == '<' || (CLASS) == '1' || (CLASS) == '2' || (CLASS) == 'e' \
-   || (CLASS) == 'r' || (CLASS) == 's')
+#define IS_EXPR_CODE_CLASS(CLASS) (strchr ("<12ers", (CLASS)) != 0)
+
+/* Returns nonzero iff NODE is an expression of some kind.  */
+
+#define EXPR_P(NODE) IS_EXPR_CODE_CLASS (TREE_CODE_CLASS (TREE_CODE (NODE)))
 
 /* Number of argument-words in each kind of tree-node.  */