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author | Dan Albert <danalbert@google.com> | 2015-06-17 11:09:54 -0700 |
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committer | Dan Albert <danalbert@google.com> | 2015-06-17 14:15:22 -0700 |
commit | f378ebf14df0952eae870c9865bab8326aa8f137 (patch) | |
tree | 31794503eb2a8c64ea5f313b93100f1163afcffb /gcc-4.4.0/gcc/tree-chrec.h | |
parent | 2c58169824949d3a597d9fa81931e001ef9b1bd0 (diff) | |
download | toolchain_gcc-f378ebf14df0952eae870c9865bab8326aa8f137.tar.gz toolchain_gcc-f378ebf14df0952eae870c9865bab8326aa8f137.tar.bz2 toolchain_gcc-f378ebf14df0952eae870c9865bab8326aa8f137.zip |
Delete old versions of GCC.
Change-Id: I710f125d905290e1024cbd67f48299861790c66c
Diffstat (limited to 'gcc-4.4.0/gcc/tree-chrec.h')
-rw-r--r-- | gcc-4.4.0/gcc/tree-chrec.h | 259 |
1 files changed, 0 insertions, 259 deletions
diff --git a/gcc-4.4.0/gcc/tree-chrec.h b/gcc-4.4.0/gcc/tree-chrec.h deleted file mode 100644 index 76c24b3b5..000000000 --- a/gcc-4.4.0/gcc/tree-chrec.h +++ /dev/null @@ -1,259 +0,0 @@ -/* Chains of recurrences. - Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 - 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_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_is_positive (tree, bool *); -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); - -/* 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; - - scev = hide_evolution_in_other_loops_than_loop (chrec, loop_num); - *res = !tree_is_chrec (scev); - 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 (sizetype == 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) -{ - if (chrec == NULL_TREE) - return false; - - switch (TREE_CODE (chrec)) - { - case POLYNOMIAL_CHREC: - if (evolution_function_is_invariant_p (CHREC_LEFT (chrec), - CHREC_VARIABLE (chrec)) - && evolution_function_is_invariant_p (CHREC_RIGHT (chrec), - CHREC_VARIABLE (chrec))) - return true; - else - return false; - - default: - return false; - } -} - -/* 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 */ |