summaryrefslogtreecommitdiff
path: root/gcc/tree.h
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/tree.h')
-rw-r--r--gcc/tree.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/tree.h b/gcc/tree.h
index 98be968af50..4e42c9b1e20 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -1587,6 +1587,12 @@ struct tree_constructor GTY(())
#define COND_EXPR_THEN(NODE) (TREE_OPERAND (COND_EXPR_CHECK (NODE), 1))
#define COND_EXPR_ELSE(NODE) (TREE_OPERAND (COND_EXPR_CHECK (NODE), 2))
+/* Accessors for the chains of recurrences. */
+#define CHREC_VAR(NODE) TREE_OPERAND (POLYNOMIAL_CHREC_CHECK (NODE), 0)
+#define CHREC_LEFT(NODE) TREE_OPERAND (POLYNOMIAL_CHREC_CHECK (NODE), 1)
+#define CHREC_RIGHT(NODE) TREE_OPERAND (POLYNOMIAL_CHREC_CHECK (NODE), 2)
+#define CHREC_VARIABLE(NODE) TREE_INT_CST_LOW (CHREC_VAR (NODE))
+
/* LABEL_EXPR accessor. This gives access to the label associated with
the given label expression. */
#define LABEL_EXPR_LABEL(NODE) TREE_OPERAND (LABEL_EXPR_CHECK (NODE), 0)