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authorMark Mitchell <mmitchell@usa.net>1998-03-23 22:20:22 +0000
committerMark Mitchell <mmitchel@gcc.gnu.org>1998-03-23 22:20:22 +0000
commit4da0595618774151d44c3d1a51b292fc8ef62e85 (patch)
tree5d4d12caf5415d626dad027daca8fd3f42e94848 /gcc/tree.h
parent545f2aab0ccf20944997f3ae51d2e039c2237dc3 (diff)
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* tree.h (IS_EXPR_CODE_CLASS): New macro.
From-SVN: r18783
Diffstat (limited to 'gcc/tree.h')
-rw-r--r--gcc/tree.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/tree.h b/gcc/tree.h
index 523a750..b78234c 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];