X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Ftree-chrec.h;h=f21aa74d795f927c03249904114a80eb4edce693;hb=04c6c482d8fc5479d481e2f4ccb82b0bef4f96da;hp=76c24b3b5cc0ea4d05b8d605f54eefd806745f90;hpb=cfaf579ddfaec5cb9bc5d220eadd212786138f3d;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/tree-chrec.h b/gcc/tree-chrec.h
index 76c24b3b5cc..f21aa74d795 100644
--- a/gcc/tree-chrec.h
+++ b/gcc/tree-chrec.h
@@ -86,6 +86,7 @@ extern bool evolution_function_is_univariate_p (const_tree);
 extern unsigned nb_vars_in_chrec (tree);
 extern bool evolution_function_is_invariant_p (tree, int);
 extern bool scev_is_linear_expression (tree);
+extern bool evolution_function_right_is_integer_cst (const_tree);
 
 /* Determines whether CHREC is equal to zero.  */
 
@@ -132,7 +133,8 @@ build_polynomial_chrec (unsigned loop_num,
       || right == chrec_dont_know)
     return chrec_dont_know;
 
-  if (no_evolution_in_loop_p (left, loop_num, &val) && !val)
+  if (!no_evolution_in_loop_p (left, loop_num, &val)
+      || !val)
     return chrec_dont_know;
 
   /* Pointer types should occur only on the left hand side, i.e. in