From: Mark Mitchell <mmitchell@usa.net>
Date: Mon, 23 Mar 1998 22:20:22 +0000 (+0000)
Subject: * tree.h (IS_EXPR_CODE_CLASS): New macro.
X-Git-Tag: prereleases/egcs-1.1-prerelease~1997
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4da0595618774151d44c3d1a51b292fc8ef62e85;p=thirdparty%2Fgcc.git

* tree.h (IS_EXPR_CODE_CLASS): New macro.

From-SVN: r18783
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0de7195bd557..5bac6bbf155c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+1998-03-22  Mark Mitchell  <mmitchell@usa.net>
+
+	* tree.h (IS_EXPR_CODE_CLASS): New macro.
+
 Mon Mar 23 23:18:48 1998  Jeffrey A Law  (law@cygnus.com)
 
 	* h8300.h (CONST_COSTS): Remove definition.
diff --git a/gcc/tree.h b/gcc/tree.h
index 523a750511dc..b78234c85e5f 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -51,6 +51,13 @@ enum tree_code {
 extern char tree_code_type[MAX_TREE_CODES];
 #define TREE_CODE_CLASS(CODE)	tree_code_type[(int) (CODE)]
 
+/* Returns non-zero iff CLASS is the tree-code class of an
+   expression.  */
+
+#define IS_EXPR_CODE_CLASS(CLASS) \
+  (CLASS == '<' || CLASS == '1' || CLASS == '2' || CLASS == '3' \
+   || CLASS == 'e')
+
 /* Number of argument-words in each kind of tree-node.  */
 
 extern int tree_code_length[MAX_TREE_CODES];