Rewrite unfinished sentence in documentation.

[pf3gnuchains/gcc-fork.git] / gcc / tree-chrec.c

diff --git a/gcc/tree-chrec.c b/gcc/tree-chrec.c
index c945f93..929bbc0 100644 (file)
--- a/gcc/tree-chrec.c
+++ b/gcc/tree-chrec.c
@@ -1529,14 +1529,12 @@ evolution_function_right_is_integer_cst (const_tree chrec)
       return true;
 
     case POLYNOMIAL_CHREC:
-      if (!evolution_function_right_is_integer_cst (CHREC_RIGHT (chrec)))
-       return false;
-
-      if (TREE_CODE (CHREC_LEFT (chrec)) == POLYNOMIAL_CHREC
-       && !evolution_function_right_is_integer_cst (CHREC_LEFT (chrec)))
-       return false;
+      return TREE_CODE (CHREC_RIGHT (chrec)) == INTEGER_CST
+       && (TREE_CODE (CHREC_LEFT (chrec)) != POLYNOMIAL_CHREC
+           || evolution_function_right_is_integer_cst (CHREC_LEFT (chrec)));
 
-      return true;
+    CASE_CONVERT:
+      return evolution_function_right_is_integer_cst (TREE_OPERAND (chrec, 0));
 
     default:
       return false;