From 2412d35ca6436f9c36251b46e765759d36f908ab Mon Sep 17 00:00:00 2001 From: Sebastian Pop Date: Thu, 21 Apr 2005 10:48:55 +0200 Subject: Makefile.in (tree-chrec.o): Depend on params.h. PR/20742 * Makefile.in (tree-chrec.o): Depend on params.h. * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with default value 20. * tree-chrec.c: Depend on params.h. Replace build with buildN, and fold build with fold_buildN. (chrec_fold_plus_1): Fail with a chrec_don_know when the size of the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE. (tree_contains_chrecs): Compute an estimation of the size of the given expression. * tree-chrec.h (tree_contains_chrecs): Modify its declaration. (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs. * tree-scalar-evolution.c (simple_iv): Ditto. * doc/invoke.texi (scev-max-expr-size): Documented. From-SVN: r98497 --- gcc/tree-chrec.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'gcc/tree-chrec.h') diff --git a/gcc/tree-chrec.h b/gcc/tree-chrec.h index a3e2190..8f8c065 100644 --- a/gcc/tree-chrec.h +++ b/gcc/tree-chrec.h @@ -87,7 +87,7 @@ extern bool chrec_is_positive (tree, bool *); extern bool chrec_contains_symbols (tree); extern bool chrec_contains_symbols_defined_in_loop (tree, unsigned); extern bool chrec_contains_undetermined (tree); -extern bool tree_contains_chrecs (tree); +extern bool tree_contains_chrecs (tree, int *); extern bool evolution_function_is_affine_multivariate_p (tree); extern bool evolution_function_is_univariate_p (tree); extern unsigned nb_vars_in_chrec (tree); @@ -183,7 +183,7 @@ evolution_function_is_affine_or_constant_p (tree chrec) static inline bool tree_does_not_contain_chrecs (tree expr) { - return !tree_contains_chrecs (expr); + return !tree_contains_chrecs (expr, NULL); } /* Determines whether CHREC is a loop invariant with respect to LOOP_NUM. -- cgit v1.1