Remove gcc-4.8.

Change-Id: Iee9c6985c613f58c82e33a91722d371579eb290f

1 files changed, 0 insertions, 250 deletions

diff --git a/gcc-4.8/gcc/tree-chrec.h b/gcc-4.8/gcc/tree-chrec.h
deleted file mode 100644
index ad39a6b22..000000000
--- a/gcc-4.8/gcc/tree-chrec.h
+++ /dev/null
@@ -1,250 +0,0 @@
-/* Chains of recurrences.
-   Copyright (C) 2003-2013 Free Software Foundation, Inc.
-   Contributed by Sebastian Pop <pop@cri.ensmp.fr>
-
-This file is part of GCC.
-
-GCC is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 3, or (at your option) any later
-version.
-
-GCC is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
-for more details.
-
-You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING3.  If not see
-<http://www.gnu.org/licenses/>.  */
-
-#ifndef GCC_TREE_CHREC_H
-#define GCC_TREE_CHREC_H
-
-/* The following trees are unique elements.  Thus the comparison of another
-   element to these elements should be done on the pointer to these trees,
-   and not on their value.  */
-
-extern tree chrec_not_analyzed_yet;
-extern GTY(()) tree chrec_dont_know;
-extern GTY(()) tree chrec_known;
-
-/* After having added an automatically generated element, please
-   include it in the following function.  */
-
-static inline bool
-automatically_generated_chrec_p (const_tree chrec)
-{
-  return (chrec == chrec_dont_know
-	  || chrec == chrec_known);
-}
-
-/* The tree nodes aka. CHRECs.  */
-
-static inline bool
-tree_is_chrec (const_tree expr)
-{
-  if (TREE_CODE (expr) == POLYNOMIAL_CHREC
-      || automatically_generated_chrec_p (expr))
-    return true;
-  else
-    return false;
-}
-
-
-
-/* Chrec folding functions.  */
-extern tree chrec_fold_plus (tree, tree, tree);
-extern tree chrec_fold_minus (tree, tree, tree);
-extern tree chrec_fold_multiply (tree, tree, tree);
-extern tree chrec_convert (tree, tree, gimple);
-extern tree chrec_convert_rhs (tree, tree, gimple);
-extern tree chrec_convert_aggressive (tree, tree);
-
-/* Operations.  */
-extern tree chrec_apply (unsigned, tree, tree);
-extern tree chrec_apply_map (tree, vec<tree> );
-extern tree chrec_replace_initial_condition (tree, tree);
-extern tree initial_condition (tree);
-extern tree initial_condition_in_loop_num (tree, unsigned);
-extern tree evolution_part_in_loop_num (tree, unsigned);
-extern tree hide_evolution_in_other_loops_than_loop (tree, unsigned);
-extern tree reset_evolution_in_loop (unsigned, tree, tree);
-extern tree chrec_merge (tree, tree);
-extern void for_each_scev_op (tree *, bool (*) (tree *, void *), void *);
-
-/* Observers.  */
-extern bool eq_evolutions_p (const_tree, const_tree);
-extern bool is_multivariate_chrec (const_tree);
-extern bool chrec_contains_symbols (const_tree);
-extern bool chrec_contains_symbols_defined_in_loop (const_tree, unsigned);
-extern bool chrec_contains_undetermined (const_tree);
-extern bool tree_contains_chrecs (const_tree, int *);
-extern bool evolution_function_is_affine_multivariate_p (const_tree, int);
-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.  */
-
-static inline bool
-chrec_zerop (const_tree chrec)
-{
-  if (chrec == NULL_TREE)
-    return false;
-
-  if (TREE_CODE (chrec) == INTEGER_CST)
-    return integer_zerop (chrec);
-
-  return false;
-}
-
-/* Determines whether CHREC is a loop invariant with respect to LOOP_NUM.
-   Set the result in RES and return true when the property can be computed.  */
-
-static inline bool
-no_evolution_in_loop_p (tree chrec, unsigned loop_num, bool *res)
-{
-  tree scev;
-
-  if (chrec == chrec_not_analyzed_yet
-      || chrec == chrec_dont_know
-      || chrec_contains_symbols_defined_in_loop (chrec, loop_num))
-    return false;
-
-  STRIP_NOPS (chrec);
-  scev = hide_evolution_in_other_loops_than_loop (chrec, loop_num);
-  *res = !tree_contains_chrecs (scev, NULL);
-  return true;
-}
-
-/* Build a polynomial chain of recurrence.  */
-
-static inline tree
-build_polynomial_chrec (unsigned loop_num,
-			tree left,
-			tree right)
-{
-  bool val;
-
-  if (left == chrec_dont_know
-      || right == chrec_dont_know)
-    return chrec_dont_know;
-
-  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
-     the base of the chrec, and not in the step.  */
-  gcc_assert (!POINTER_TYPE_P (TREE_TYPE (right)));
-
-  /* Types of left and right sides of a chrec should be compatible.  */
-  if (POINTER_TYPE_P (TREE_TYPE (left)))
-    gcc_assert (ptrofftype_p (TREE_TYPE (right)));
-  else
-    gcc_assert (TREE_TYPE (left) == TREE_TYPE (right));
-
-  if (chrec_zerop (right))
-    return left;
-
-  return build3 (POLYNOMIAL_CHREC, TREE_TYPE (left),
-		 build_int_cst (NULL_TREE, loop_num), left, right);
-}
-
-/* Determines whether the expression CHREC is a constant.  */
-
-static inline bool
-evolution_function_is_constant_p (const_tree chrec)
-{
-  if (chrec == NULL_TREE)
-    return false;
-
-  switch (TREE_CODE (chrec))
-    {
-    case INTEGER_CST:
-    case REAL_CST:
-      return true;
-
-    default:
-      return false;
-    }
-}
-
-/* Determine whether CHREC is an affine evolution function in LOOPNUM.  */
-
-static inline bool
-evolution_function_is_affine_in_loop (const_tree chrec, int loopnum)
-{
-  if (chrec == NULL_TREE)
-    return false;
-
-  switch (TREE_CODE (chrec))
-    {
-    case POLYNOMIAL_CHREC:
-      if (evolution_function_is_invariant_p (CHREC_LEFT (chrec), loopnum)
-	  && evolution_function_is_invariant_p (CHREC_RIGHT (chrec), loopnum))
-	return true;
-      else
-	return false;
-
-    default:
-      return false;
-    }
-}
-
-/* Determine whether CHREC is an affine evolution function or not.  */
-
-static inline bool
-evolution_function_is_affine_p (const_tree chrec)
-{
-  return chrec
-    && TREE_CODE (chrec) == POLYNOMIAL_CHREC
-    && evolution_function_is_invariant_p (CHREC_RIGHT (chrec),
-					  CHREC_VARIABLE (chrec))
-    && (TREE_CODE (CHREC_RIGHT (chrec)) != POLYNOMIAL_CHREC
-	|| evolution_function_is_affine_p (CHREC_RIGHT (chrec)));
-}
-
-/* Determines whether EXPR does not contains chrec expressions.  */
-
-static inline bool
-tree_does_not_contain_chrecs (const_tree expr)
-{
-  return !tree_contains_chrecs (expr, NULL);
-}
-
-/* Returns the type of the chrec.  */
-
-static inline tree
-chrec_type (const_tree chrec)
-{
-  if (automatically_generated_chrec_p (chrec))
-    return NULL_TREE;
-
-  return TREE_TYPE (chrec);
-}
-
-static inline tree
-chrec_fold_op (enum tree_code code, tree type, tree op0, tree op1)
-{
-  switch (code)
-    {
-    case PLUS_EXPR:
-      return chrec_fold_plus (type, op0, op1);
-
-    case MINUS_EXPR:
-      return chrec_fold_minus (type, op0, op1);
-
-    case MULT_EXPR:
-      return chrec_fold_multiply (type, op0, op1);
-
-    default:
-      gcc_unreachable ();
-    }
-
-}
-
-#endif  /* GCC_TREE_CHREC_H  */