Makefile.in (OBJS-common): Add tree-chrec.o.
* Makefile.in (OBJS-common): Add tree-chrec.o. (tree-chrec.o): New rule. (GTFILES): Add tree-chrec.h. * gengtype.c (open_base_files): Add tree-chrec.h. * tree-chrec.c: New file. * tree-chrec.h: New file. * tree.def (SCEV_KNOWN, SCEV_NOT_KNOWN, POLYNOMIAL_CHREC): New nodes. From-SVN: r83909
This commit is contained in:
Sebastian Pop
Sebastian Pop
parent
64b8935d48
commit
c8a2ab6d0c
@ -1,3 +1,13 @@
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2004-06-30 Sebastian Pop <pop@cri.ensmp.fr>
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* Makefile.in (OBJS-common): Add tree-chrec.o.
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(tree-chrec.o): New rule.
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(GTFILES): Add tree-chrec.h.
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* gengtype.c (open_base_files): Add tree-chrec.h.
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* tree-chrec.c: New file.
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* tree-chrec.h: New file.
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* tree.def (SCEV_KNOWN, SCEV_NOT_KNOWN, POLYNOMIAL_CHREC): New nodes.
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2004-06-30 Roger Sayle <roger@eyesopen.com>
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* combine.c: Include "output.h" to define dump_file.
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@ -885,6 +885,7 @@ C_OBJS = c-parse.o c-lang.o stub-objc.o $(C_AND_OBJC_OBJS)
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# Language-independent object files.
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OBJS-common = \
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tree-chrec.o \
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tree-cfg.o tree-dfa.o tree-eh.o tree-ssa.o tree-optimize.o tree-gimple.o \
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tree-alias-type.o gimplify.o tree-pretty-print.o tree-into-ssa.o \
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tree-outof-ssa.o tree-alias-common.o tree-ssa-ccp.o tree-vn.o \
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@ -1699,6 +1700,8 @@ gimple-low.o : gimple-low.c $(CONFIG_H) $(SYSTEM_H) $(TREE_H) errors.h \
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tree-browser.o : tree-browser.c tree-browser.def $(CONFIG_H) $(SYSTEM_H) \
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$(TREE_H) errors.h tree-inline.h diagnostic.h $(HASHTAB_H) \
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$(TM_H) coretypes.h
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tree-chrec.o: tree-chrec.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
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errors.h $(GGC_H) $(TREE_H) tree-chrec.h tree-pass.h
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tree-gimple.o : tree-gimple.c $(CONFIG_H) $(SYSTEM_H) $(TREE_H) $(EXPR_H) \
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$(RTL_H) $(TREE_GIMPLE_H) $(TM_H) coretypes.h bitmap.h $(GGC_H)
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tree-mudflap.o : $(CONFIG_H) errors.h $(SYSTEM_H) $(TREE_H) tree-inline.h \
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@ -2339,6 +2342,7 @@ GTFILES = $(srcdir)/input.h $(srcdir)/coretypes.h \
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$(srcdir)/tree-iterator.c $(srcdir)/gimplify.c \
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$(srcdir)/tree-alias-type.h $(srcdir)/tree-alias-common.h \
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$(srcdir)/tree-alias-type.c $(srcdir)/tree-alias-common.c \
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$(srcdir)/tree-chrec.h \
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$(srcdir)/tree-ssa-operands.h $(srcdir)/tree-ssa-operands.c \
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$(srcdir)/tree-profile.c $(srcdir)/rtl-profile.c $(srcdir)/tree-nested.c \
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$(out_file) \
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@ -1110,6 +1110,7 @@ open_base_files (void)
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"libfuncs.h", "debug.h", "ggc.h", "cgraph.h",
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"tree-alias-type.h", "tree-flow.h", "reload.h",
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"cpp-id-data.h",
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"tree-chrec.h",
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NULL
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};
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const char *const *ifp;
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1019
gcc/tree-chrec.c
Normal file
1019
gcc/tree-chrec.c
Normal file
File diff suppressed because it is too large
Load Diff
206
gcc/tree-chrec.h
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206
gcc/tree-chrec.h
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@ -0,0 +1,206 @@
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/* Chains of recurrences.
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Copyright (C) 2003, 2004 Free Software Foundation, Inc.
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Contributed by Sebastian Pop <s.pop@laposte.net>
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA. */
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#ifndef GCC_TREE_CHREC_H
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#define GCC_TREE_CHREC_H
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/* Accessors for the chains of recurrences. */
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#define CHREC_VAR(NODE) TREE_OPERAND (NODE, 0)
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#define CHREC_LEFT(NODE) TREE_OPERAND (NODE, 1)
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#define CHREC_RIGHT(NODE) TREE_OPERAND (NODE, 2)
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#define CHREC_VARIABLE(NODE) TREE_INT_CST_LOW (CHREC_VAR (NODE))
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/* The following trees are unique elements. Thus the comparison of another
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element to these elements should be done on the pointer to these trees,
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and not on their value. */
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extern tree chrec_not_analyzed_yet;
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extern GTY(()) tree chrec_dont_know;
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extern GTY(()) tree chrec_known;
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/* After having added an automatically generated element, please
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include it in the following function. */
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static inline bool
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automatically_generated_chrec_p (tree chrec)
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{
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return (chrec == chrec_not_analyzed_yet
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|| chrec == chrec_dont_know
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|| chrec == chrec_known);
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}
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/* The tree nodes aka. CHRECs. */
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static inline bool
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tree_is_chrec (tree expr)
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{
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if (TREE_CODE (expr) == POLYNOMIAL_CHREC
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|| automatically_generated_chrec_p (expr))
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return true;
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else
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return false;
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}
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/* Chrec folding functions. */
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extern tree chrec_fold_plus (tree, tree, tree);
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extern tree chrec_fold_minus (tree, tree, tree);
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extern tree chrec_fold_multiply (tree, tree, tree);
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extern tree chrec_convert (tree, tree);
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extern tree count_ev_in_wider_type (tree, tree);
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extern tree chrec_type (tree);
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/* Operations. */
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extern tree chrec_apply (unsigned, tree, tree);
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extern tree chrec_replace_initial_condition (tree, tree);
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extern tree update_initial_condition_to_origin (tree);
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extern tree initial_condition (tree);
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extern tree evolution_part_in_loop_num (tree, unsigned);
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extern tree hide_evolution_in_other_loops_than_loop (tree, unsigned);
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extern tree reset_evolution_in_loop (unsigned, tree, tree);
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extern tree chrec_merge (tree, tree);
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/* Observers. */
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extern bool is_multivariate_chrec (tree);
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extern bool chrec_is_positive (tree, bool *);
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extern bool chrec_contains_symbols (tree);
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extern bool chrec_contains_symbols_defined_in_loop (tree, unsigned);
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extern bool chrec_contains_undetermined (tree);
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extern bool tree_contains_chrecs (tree);
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extern bool evolution_function_is_affine_multivariate_p (tree);
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extern bool evolution_function_is_univariate_p (tree);
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/* Build a polynomial chain of recurrence. */
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static inline tree
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build_polynomial_chrec (unsigned loop_num,
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tree left,
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tree right)
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{
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if (left == chrec_dont_know
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|| right == chrec_dont_know)
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return chrec_dont_know;
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return build (POLYNOMIAL_CHREC, TREE_TYPE (left),
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build_int_2 (loop_num, 0), left, right);
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}
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/* Observers. */
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/* Determines whether CHREC is equal to zero. */
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static inline bool
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chrec_zerop (tree chrec)
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{
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if (chrec == NULL_TREE)
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return false;
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if (TREE_CODE (chrec) == INTEGER_CST)
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return integer_zerop (chrec);
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return false;
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}
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/* Determines whether the expression CHREC is a constant. */
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static inline bool
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evolution_function_is_constant_p (tree chrec)
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{
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if (chrec == NULL_TREE)
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return false;
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switch (TREE_CODE (chrec))
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{
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case INTEGER_CST:
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case REAL_CST:
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return true;
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default:
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return false;
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}
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}
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/* Determine whether the given tree is an affine evolution function or not. */
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static inline bool
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evolution_function_is_affine_p (tree chrec)
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{
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if (chrec == NULL_TREE)
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return false;
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switch (TREE_CODE (chrec))
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{
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case POLYNOMIAL_CHREC:
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if (evolution_function_is_constant_p (CHREC_LEFT (chrec))
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&& evolution_function_is_constant_p (CHREC_RIGHT (chrec)))
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return true;
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else
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return false;
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default:
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return false;
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}
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}
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/* Determine whether the given tree is an affine or constant evolution
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function. */
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static inline bool
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evolution_function_is_affine_or_constant_p (tree chrec)
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{
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return evolution_function_is_affine_p (chrec)
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|| evolution_function_is_constant_p (chrec);
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}
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/* Determines whether EXPR does not contains chrec expressions. */
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static inline bool
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tree_does_not_contain_chrecs (tree expr)
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{
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return !tree_contains_chrecs (expr);
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}
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/* Determines whether CHREC is a loop invariant with respect to LOOP_NUM.
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Set the result in RES and return true when the property can be computed. */
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static inline bool
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no_evolution_in_loop_p (tree chrec, unsigned loop_num, bool *res)
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{
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tree scev;
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if (chrec == chrec_not_analyzed_yet
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|| chrec == chrec_dont_know
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|| chrec_contains_symbols_defined_in_loop (chrec, loop_num))
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return false;
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scev = hide_evolution_in_other_loops_than_loop (chrec, loop_num);
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*res = !tree_is_chrec (scev);
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return true;
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}
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#endif /* GCC_TREE_CHREC_H */
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12
gcc/tree.def
12
gcc/tree.def
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expanding. */
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DEFTREECODE (EH_FILTER_EXPR, "eh_filter_expr", 's', 2)
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/* Node used for describing a property that is known at compile
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time. */
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DEFTREECODE (SCEV_KNOWN, "scev_known", 'e', 0)
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/* Node used for describing a property that is not known at compile
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time. */
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DEFTREECODE (SCEV_NOT_KNOWN, "scev_not_known", 'e', 0)
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/* Polynomial chains of recurrences.
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Under the form: cr = {CHREC_LEFT (cr), +, CHREC_RIGHT (cr)}. */
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DEFTREECODE (POLYNOMIAL_CHREC, "polynomial_chrec", 'e', 3)
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/* Used to chain children of container statements together.
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Use the interface in tree-iterator.h to access this node. */
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DEFTREECODE (STATEMENT_LIST, "statement_list", 'x', 0)
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