Commit Graph

19 Commits

Author SHA1 Message Date
Devang Patel
b52485c631 tree-data-ref.c (build_classic_dist_vector, [...]): Make externally visible.
* tree-data-ref.c (build_classic_dist_vector,
         compute_subscript_distance): Make externally visible.
         * tree-data-ref.h (build_classic_dist_vector,
         compute_subscript_distance): Same.
         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
         Check distance vector against vectorization factor.
         (vect_analyze_loop): Determine vectorizaion factor before
         analyzing data dependences.
         * tree-vectorizer.c (loops_num): Make it externally visible and
         rename ...
         * tree-vectorizer.c (vect_loops_num): ... new name.
         * tree-vectorizer.h  (vect_loops_num): New.

         * tree-vect-analyze.c (vect_analyze_operations): Check
         vectorizable codition.
         * tree-vect-transform.c (vect_is_simple_cond): New function.
         (vectorizable_condition): New function.
         (vect_transform_stmt): Handle condition_vec_info_type.
         * tree-vectorizer.h (enum stmt_vec_info_type): Add
         condition_vec_info_type.
         (vectorizable_condition): New.

         * lib/target-supports.exp (check_effective_target_vect_condition): New.
         * gcc.dg/vect/vect-ifcvt-1.c: New test.
         * gcc.dg/vect/vect-ifcvt-2.c: New test.
         * gcc.dg/vect/vect-ifcvt-3.c: New test.
         * gcc.dg/vect/vect-ifcvt-4.c: New test.
         * gcc.dg/vect/vect-ifcvt-5.c: New test.
         * gcc.dg/vect/vect-ifcvt-6.c: New test.
         * gcc.dg/vect/vect-ifcvt-7.c: New test.
         * gcc.dg/vect/vect-none.c: Now one loop is vectorized.

         * gcc.dg/vect/vect-dv-1.c: New test.
         * gcc.dg/vect/vect-dv-2.c: New test.

From-SVN: r97999
2005-04-11 18:35:54 -07:00
Diego Novillo
0bca51f080 backport: copy-prop, incremental SSA updating of FUD chains and newly exposed symbols.
Merge from tree-cleanup-branch: VRP, store CCP, store
	    copy-prop, incremental SSA updating of FUD chains and
	    newly exposed symbols.

	* Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
	(OBJS-common): Add tree-vrp.o.
	(tree-vrp.o): New rule.
	* basic-block.h (nearest_common_dominator_for_set): Declare.
	* common.opt (ftree-store-ccp): New flag.
	(ftree-copy-prop): New flag.
	(ftree-vrp): New flag.
	(ftree-store-copy-prop): New flag.
	* dominance.c (nearest_common_dominator_for_set): New.
	* domwalk.c (walk_dominator_tree): Only traverse
	statements in blocks marked in walk_data->interesting_blocks.
	* domwalk.h (struct dom_walk_data): Add field interesting_blocks.
	* fold-const.c (fold): Handle ASSERT_EXPR.
	* opts.c (decode_options): Set flag_tree_copy_prop at -O1.
	Set flag_tree_store_ccp, flag_tree_store_copy_prop and
	flag_tree_vrp at -O2.
	* timevar.def (TV_TREE_VRP): Define.
	(TV_TREE_COPY_PROP): Define.
	(TV_TREE_STORE_COPY_PROP): Define.
	(TV_TREE_SSA_INCREMENTAL): Define.
	(TV_TREE_STORE_CCP): Define.
	* tree-cfg.c (tree_can_merge_blocks_p): Remove reference
	to kill_redundant_phi_nodes from comment.
	(verify_expr): Handle ASSERT_EXPR.
	* tree-dfa.c (mark_new_vars_to_rename): Remove second
	argument.  Update all users.
	(mark_call_clobbered_vars_to_rename): Remove.  Update all
	users.
	* tree-flow-inline.h (unmodifiable_var_p): New.
	* tree-flow.h (enum value_range_type): Declare.
	(struct value_range_def): Declare.
	(value_range): Declare.
	(remove_all_phi_nodes_for): Remove.  Update all users.
	(find_phi_node_for): Declare.
	(add_type_alias): Declare.
	(count_uses_and_derefs): Declare.
	(kill_redundant_phi_nodes): Remove.
	(rewrite_into_ssa): Remove.
	(rewrite_def_def_chains): Remove.
	(update_ssa, register_new_name_mapping, create_new_def_for,
	need_ssa_update_p, name_registered_for_update_p,
	release_ssa_name_after_update_ssa, dump_repl_tbl,
	debug_repl_tbl, dump_names_replaced_by,
	debug_names_replaced_by, mark_sym_for_renaming,
	mark_set_for_renaming, get_current_def, set_current_def,
	get_value_range, dump_value_range, debug_value_range,
	dump_all_value_ranges, debug_all_value_ranges,
	expr_computes_nonzero, loop_depth_of_name,
	unmodifiable_var_p): Declare.
	* tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
	ASSERT_EXPR.
	* tree-into-ssa.c (block_defs_stack): Update comment.
	(old_ssa_names, new_ssa_names, old_virtual_ssa_names,
	syms_to_rename, names_to_release, repl_tbl,
	need_to_initialize_update_ssa_p, need_to_update_vops_p,
	need_to_replace_names_p): New locals.
	(NAME_SETS_GROWTH_FACTOR): Define.
	(struct repl_map_d): Declare.
	(struct mark_def_sites_global_data): Add field
	interesting_blocks.
	(enum rewrite_mode): Declare.
	(REGISTER_DEFS_IN_THIS_STMT): Define.
	(compute_global_livein): Use last_basic_block instead of
	n_basic_blocks.
	(set_def_block): Remove last argument.  Update all callers.
	(prepare_use_operand_for_rename): Remove.  Update all callers.
	(prepare_def_operand_for_rename): Remove.  Update all callers.
	(symbol_marked_for_renaming): New.
	(is_old_name): New.
	(is_new_name): New.
	(repl_map_hash): New.
	(repl_map_eq): New.
	(repl_map_free): New.
	(names_replaced_by): New.
	(add_to_repl_tbl): New.
	(add_new_name_mapping): New.
	(mark_def_sites): Assume that all the operands in the
	statement are in normal form.
	(find_idf): Assert that the block in the stack is valid.
	(get_default_def_for): New.
	(insert_phi_nodes_for): Add new argument 'update_p'.
	Add documentation.
	If update_p is true, add a new mapping between the LHS of
	each new PHI and the name that it replaces.
	(insert_phi_nodes_1): Only call find_idf if needed.
	(get_reaching_def): Call get_default_def_for.
	(rewrite_operand): Remove.
	(rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
	and REWRITE_THIS_STMT are false.
	Assume that all the operands in the statement are in
	normal form.
	(rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
	(rewrite_virtual_phi_arguments): Remove.
	(invalidate_name_tags): Remove.
	(register_new_update_single, register_new_update_set,
	rewrite_update_init_block, replace_use,
	rewrite_update_fini_block, rewrite_update_stmt,
	rewrite_update_phi_arguments): New.
	rewrite_blocks): Remove argument 'fix_virtual_phis'.
	Add arguments 'entry', 'what' and 'blocks'.
	Initialize the dominator walker according to 'what' and
	'blocks'.
	Start the dominator walk at 'entry'.
	(mark_def_site_blocks): Add argument 'interesting_blocks'.
	Use it to configure the dominator walker.
	(rewrite_into_ssa): Remove argument 'all'.
	Make internal.
	(rewrite_all_into_ssa): Remove.
	(rewrite_def_def_chains): Remove.
	(mark_def_interesting, mark_use_interesting,
	prepare_phi_args_for_update, prepare_block_for_update,
	prepare_def_site_for, prepare_def_sites,
	dump_names_replaced_by, debug_names_replaced_by,
	dump_repl_tbl, debug_repl_tbl, init_update_ssa,
	delete_update_ssa, create_new_def_for,
	register_new_name_mapping, mark_sym_for_renaming,
	mark_set_for_renaming, need_ssa_update_p,
	name_registered_for_update_p, ssa_names_to_replace,
	release_ssa_name_after_update_ssa,
	insert_updated_phi_nodes_for, update_ssa): New.
	* tree-loop-linear.c (linear_transform_loops): Call
	update_ssa instead of rewrite_into_ssa.
	* tree-optimize.c (vars_to_rename): Remove.
	Update all users.
	(init_tree_optimization_passes): Replace
	pass_redundant_phi with pass_copy_prop.
	Add pass_vrp.
	Replace pass_ccp with pass_store_ccp.
	Add pass_store_copy_prop after pass_store_ccp.
	(execute_todo): If the TODO_ flags don't include updating
	the SSA form, assert that it does not need to be updated.
	Call update_ssa instead of rewrite_into_ssa and
	rewrite_def_def_chains.
	If TODO_verify_loops is set, call verify_loop_closed_ssa.
	(tree_rest_of_compilation):
	* tree-pass.h (TODO_dump_func, TODO_ggc_collect,
	TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
	TODO_cleanup_cfg): Renumber.
	(TODO_verify_loops, TODO_update_ssa,
	TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
	TODO_update_ssa_only_virtuals): Define.
	(pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
	Declare.
	* tree-phinodes.c (make_phi_node): Update documentation.
	(remove_all_phi_nodes_for): Remove.
	(find_phi_node_for): New.
	* tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
	* tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
	(interpret_rhs_modify_expr): Likewise.
	* tree-sra.c (decide_instantiations): Mark all symbols in
	SRA_CANDIDATES for renaming.
	(mark_all_v_defs_1): Rename from mark_all_v_defs.
	(mark_all_v_defs): New function.  Update all users to call it
	with the whole list of scalarized statements, not just the
	first one.
	* tree-ssa-alias.c (count_ptr_derefs): Make extern.
	(compute_flow_insensitive_aliasing): If the tag is
	unmodifiable and the variable isn't or vice-versa, don't
	make them alias of each other.
	(setup_pointers_and_addressables): If the type tag for
	VAR is about to change, mark the old one for renaming.
	(add_type_alias): New.
	* tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
	(ccp_lattice_t): Rename from latticevalue.
	(value): Remove.  Update all users.
	(const_val): New local variable.
	(do_store_ccp): New local variable.
	(dump_lattice_value): Handle UNINITIALIZED.
	(debug_lattice_value): New.
	(get_default_value): Re-write.
	(set_lattice_value): Re-write.
	(def_to_varying): Remove.  Update all users.
	(likely_value): Return VARYING for statements that make
	stores when STORE_CCP is false.
	Return VARYING for any statement other than MODIFY_EXPR,
	COND_EXPR and SWITCH_EXPR.
	(ccp_initialize): Re-write.
	(replace_uses_in, replace_vuse_in, substitute_and_fold):
	Move to tree-ssa-propagate.c.
	(ccp_lattice_meet): Handle memory stores when
	DO_STORE_CCP is true.
	(ccp_visit_phi_node): Likewise.
	(ccp_fold): Likewise.
	(evaluate_stmt): Likewise.
	(visit_assignment): Likewise.
	(ccp_visit_stmt): Likewise.
	(execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
	into DO_STORE_CCP.
	(do_ssa_ccp): New.
	(pass_ccp): Use it.
	(do_ssa_store_ccp): New.
	(gate_store_ccp): New.
	(pass_store_ccp): Declare.
	* tree-ssa-copy.c: Include tree-ssa-propagate.h.
	(may_propagate_copy): Reformat.
	Don't abort if ORIG is a virtual and DEST isn't.
	If NEW does not have alias information but DEST does,
	copy it.
	(copy_of, cached_last_copy_of, do_store_copy_prop, enum
	copy_prop_kind, which_copy_prop): Declare.
	(stmt_may_generate_copy, get_copy_of_val,
	get_last_copy_of, set_copy_of_val, dump_copy_of,
	copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
	copy_prop_visit_stmt, copy_prop_visit_phi_node,
	init_copy_prop, fini_copy_prop, execute_copy_prop,
	gate_copy_prop, do_copy_prop, gate_store_copy_prop,
	store_copy_prop): New.
	(pass_copy_prop, pass_store_copy_prop): Declare.
	* tree-ssa-dom.c (struct opt_stats_d): Add fields
	'num_const_prop' and 'num_copy_prop'.
	(cprop_operand): Update them.
	(dump_dominator_optimization_stats): Dump them.
	(tree_ssa_dominator_optimize): Call update_ssa instead of
	rewrite_into_ssa.
	(loop_depth_of_name): Declare extern.
	(simplify_cond_and_lookup_avail_expr): Guard against NULL
	values for LOW or HIGH.
	(cprop_into_successor_phis): Only propagate if NEW != ORIG.
	(record_equivalences_from_stmt): Call expr_computes_nonzero.
	(cprop_operand): Only propagate if VAL != OP.
	* tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
	statement for renaming.
	* tree-ssa-loop-im.c (move_computations): Call update_ssa.
	* tree-ssa-loop-ivopts.c (rewrite_address_base): Call
	add_type_alias if necessary.
	Call mark_new_vars_to_rename.
	(tree_ssa_iv_optimize): If new symbols need to be renamed,
	mark every statement updated, call update_ssa and
	rewrite_into_loop_closed_ssa.
	* tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
	from LIVEIN if VAR is a virtual.
	* tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
	* tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
	(get_call_expr_operands): Reformat statement.
	(add_stmt_operand): Don't create V_MAY_DEFs for read-only
	symbols.
	* tree-ssa-propagate.c (ssa_prop_init): Initialize
	SSA_NAME_VALUE for every name.
	(first_vdef, stmt_makes_single_load, stmt_makes_single_store,
	get_value_loaded_by): New.
	(replace_uses_in, replace_vuses_in, replace_phi_args_in,
	substitute_and_fold): Move from tree-ssa-ccp.c.
	* tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
	first_vdef, stmt_makes_single_load, stmt_makes_single_store,
	get_value_loaded_by, replace_uses_in, substitute_and_fold):
	Declare.
	* tree-ssa.c (verify_use): Fix error message.
	(propagate_into_addr, replace_immediate_uses, get_eq_name,
	check_phi_redundancy, kill_redundant_phi_nodes,
	pass_redundant_phi): Remove.  Update all users.
	* tree-vect-transform.c (vect_create_data_ref_ptr): Call
	add_type_alias, if necessary.
	* tree-vectorizer.h (struct _stmt_vect_info): Update
	documentation for field 'memtag'.
	* tree-vrp.c: New file.
	* tree.def (ASSERT_EXPR): Define.
	* tree.h (ASSERT_EXPR_VAR): Define.
	(ASSERT_EXPR_COND): Define.
	(SSA_NAME_VALUE_RANGE): Define.
	(struct tree_ssa_name): Add field 'value_range'.
	(PHI_REWRITTEN): Remove.
	(struct tree_phi_node): Remove field 'rewritten'.
	* doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
	-ftree-store-copy-prop): Document.
	* doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
	Document usage of update_ssa.

testsuite/ChangeLog

	* g++.dg/tree-ssa/pr18178.C: New test.
	* gcc.c-torture/execute/20030216-1.x: Ignore at -O1.
	* gcc.c-torture/execute/20041019-1.c: New test.
	* gcc.dg/tree-ssa/20041008-1.c: New test.
	* gcc.dg/tree-ssa/ssa-ccp-12.c: New test.
	* gcc.dg/tree-ssa/20030731-2.c: Update to use -fdump-tree-store_ccp.
	* gcc.dg/tree-ssa/20030917-1.c: Likewise.
	* gcc.dg/tree-ssa/20030917-3.c: Likewise.
	* gcc.dg/tree-ssa/20040721-1.c: Likewise.
	* gcc.dg/tree-ssa/ssa-ccp-1.c: Likewise.
	* gcc.dg/tree-ssa/ssa-ccp-2.c: Likewise.
	* gcc.dg/tree-ssa/ssa-ccp-3.c: Likewise.
	* gcc.dg/tree-ssa/ssa-ccp-7.c: Likewise.
	* gcc.dg/tree-ssa/ssa-ccp-9.c: Likewise.

From-SVN: r97884
2005-04-08 21:37:54 -04:00
Dorit Nuzman
8bb46326fb tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
* tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
        (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
        * tree-vect-analyze.c (vect_object_analysis): additional parm
        pass back a "struct ptr_info_def *" with the points-to info.
        (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
        statement using info returned from vect_object_analysis.
        * tree-vect-transform.c (update_vuses_to_preheader): New function.
        (vect_create_data_ref_ptr): Remove updates to vars_to_rename
        for virtual uses and defs when creating a replacement vector
        reference.  Call duplicate_ssa_name_ptr_info to define points-to
        info for vector pointer replacement using STMT_VINFO_PTR_INFO.
        (vectorizable_store): copy_virtual_operands and update
        definition statements.
        (vectorizable_load): copy_virtual_operands.  Remove call to
        mark_call_clobbered_vars_to_rename for call to "const" builtin.
        * tree-vectorizer.c (vectorize_loops): Remove calls to
        rewrite_into_ssa and bitmap_clear (vars_to_rename).
        (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
        * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
        define macro STMT_VINFO_PTR_INFO for use in accessing.
        * tree.h add export of duplicate_ssa_name_ptr_info.
        * rs6000.c (altivec_init_builtins): Declare builtin function
        __builtin_altivec_mask_for_load to be "const".

From-SVN: r97164
2005-03-29 16:10:22 +00:00
Dorit Naishlos
5f55a1ba12 tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by known_alignment_for_access_p.
* tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
        known_alignment_for_access_p.
        (known_alignment_for_access_p): New.
        (do_peeling_for_alignment): Field made int instead of bool and renamed
        to peeling_for_alignment.
        (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
        * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
        functionality used to be in vect_analyze_operations.
        (vect_analyze_operations): Code to determine vectorization factor was
        moved to vect_determine_vectorization_factor.
        (vect_enhance_data_refs_alignment): Update to correct alignment when it
        is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
        factor.
        (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
        be part of vect_analyze_operations).
        * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
        creating the guard condition, as the number of iterations may be
        constant.
        (slpeel_tree_peel_loop_to_edge): Use new name of
        LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
        * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
        alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
        (vect_do_peeling_for_alignment): Use fold.
        (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.

        (vect_update_inits_of_dr): Renamed to
        vect_update_init_of_dr.
        (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
        (vectorizable_store): Fix assertion to use == instead of =.

From-SVN: r96526
2005-03-15 18:33:09 +00:00
Daniel Berlin
c75ab02281 In gcc/ada/ 2005-03-12 Daniel Berlin <dberlin@dberlin.org>
In gcc/ada/
2005-03-12  Daniel Berlin <dberlin@dberlin.org>

	* misc.c (gnat_post_options): Turn off structural
	aliasing for now.
In gcc/
2005-03-12  Daniel Berlin  <dberlin@dberlin.org>

	* tree-flow-inline.h (ref_contains_array_ref): New function.
	(lookup_subvars_for_var): Ditto.
	(get_subvars_for_var): Ditto.
	(var_can_have_subvars): Ditto.

	* tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
	(struct subvar): New type.

	* tree-dfa.c (okay_component_ref_for_subvars): New function.

	* tree-optimize.c (init_tree_optimization_passes): Call
	pass_create_structure_vars.

	* tree-ssa-alias.c: Include vec.h.
	(init_alias_info): Don't auto-clear call clobbered on struct-field
	tags.
	(compute_flow_insensitive_aliasing): Handle subvars.
	(group_aliases): Handle STRUCT_FIELD aliases.
	(setup_pointers_and_addressables): Ditto.
	Don't mark variables non-addressable if they still have
	addressable subvars.
	Also mark subvars addressable when the real variable is marked
	addressable.
	(add_pointed_to_var): Try to prune the pointed-to set by only
	pointing to subvars when possible.
	Otherwise, make sure we set addresses_needed and pt_vars to
	properly include subvars.
	(bitpos_of_field): New function.
	(push_fields_onto_fieldstack): Ditto.
	(get_or_create_used_part_for): Ditto.
	(create_overlap_variables_for): Ditto.
	(find_used_portions): Ditto.
	(create_structure_vars): Ditto.
	(pass_create_structure_vars): New structure.

	* tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
	(get_expr_operands): Handle subvars.  Also try to turn
	COMPONENT_REF accesses into must-defs now that we can accurately
	portray it.
	(note_addressable): Try to only mark as addressable those subvars
	we know a COMPONENT_REF touches.
	(overlap_subvar): New function.

	* tree-vect-analyze.c (vect_object_analysis): Add new parameter.
	Handle subvar storing.
	(vect_address_analysis): Update caller of vect_object_analysis.

	* tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.

	* tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
	(STMT_VINFO_SUBVARS): New macro.

	* common.opts: add flag_tree_salias.

	* opts.c (decode_options): flag_tree_salias defaults to on.

	* doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.

	* doc/tree-ssa.texi: Document structural alias analysis.

From-SVN: r96362
2005-03-13 00:46:07 +00:00
Dorit Naishlos
f7064d11bb Makefile.in (tree-vect-analyze.o, [...]): New.
* Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
        (tree-vectorizer.o): Added missing dependencies.

        * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
        decleration.
        (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
        declaration in tree-vectorizer.c, now has an extern declaration in
        tree-vectorizer.h).
        (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
        slpeel_verify_cfg_after_peeling, vect_strip_conversion,
        get_vectype_for_scalar_type, vect_is_simple_use,
        vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
        vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
        new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
        vectorizable_store, vectorizable_operation, vectorizable_assignment,
        vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
        find_loop_location): Likewise.

        * tree-vectorizer.c (langhooks.h): #include removed.
        (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
        moved to tree-vectorized.h.
        (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
        slpeel_verify_cfg_after_peeling, vect_strip_conversion,
        get_vectype_for_scalar_type, vect_is_simple_use,
        vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
        vect_supportable_dr_alignment, new_loop_vec_info,
        destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
        vect_set_verbosity_level, find_loop_location): Likewise.

        (vect_analyze_loop): Function externalized. Declaration moved to
        tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
        (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
        (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
        vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
        vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
        vect_enhance_data_refs_alignment, vect_analyze_operations,
        exist_non_indexing_operands_for_use_p, vect_mark_relevant,
        vect_stmt_relevant_p, vect_get_loop_niters,
        vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
        vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
        vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
        vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
        vect_get_memtag): Likewise.

        (vectorizable_load): Function externalized. Declaration moved to
        tree-vectorized.h. Function definition moved to tree-vect-transform.c.
        (vectorizable_store, vectorizable_operation, vectorizable_assignment,
        vect_transform_loop): Likewise.
        (vect_transform_stmt): Moved to tree-vect-transform.c.
        (vect_align_data_ref, vect_create_destination_var,
        vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
        vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
        vect_get_vec_def_for_operand, vect_init_vector,
        vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
        vect_build_loop_niters, vect_update_ivs_after_vectorizer,
        vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
        vect_update_inits_of_drs, vect_do_peeling_for_alignment,
        vect_do_peeling_for_loop_bound): Likewise.

        * tree-vect-analyze.c: New file.
        * tree-vect-transform.c: New file.

From-SVN: r95153
2005-02-17 08:47:28 +00:00
Ira Rosen
a5ae3ad628 tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base to base_address.
2005-02-13  Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
        to base_address.
        * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
        stmt_vec_info.
        (vect_get_base_and_offset): Always return an address.
        (vect_create_addr_base_for_vector_ref): Remove treatment for
        different data reference types.
        (vect_compute_data_ref_alignment): Rename base to base_address in
        stmt_vec_info. Get the object in order to force its alignment.
        (vect_get_memtag_and_dr): Rename base to base_address in
        stmt_vec_info. Extract the object for memtag analysis.

From-SVN: r94930
2005-02-12 10:24:40 +00:00
Kazu Hirata
17385e0d3b cfgcleanup.c, [...]: Update copyright.
* cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
	config/darwin7.h, config/mips/mips.c,
	config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
	Update copyright.

From-SVN: r94704
2005-02-07 15:53:36 +00:00
Leehod Baruch
c866976a42 invoke.texi (ftree-vectorizer-verbose): New.
* doc/invoke.texi (ftree-vectorizer-verbose): New.
        * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
        * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
        was added.
        * tree.h (vect_set_verbosity_level): New extern function declaration
        added.
        * tree-vectorizer.h (verbosity_levels): New enum type.
        * tree-vectorizer.c (vect_debug_stats): Function removed.
        (vect_debug_details): Likewise.
        (vect_verbosity_level): Global variable was defined and initialized.
        (vect_dump): Global variable definition.
        (vect_print_dump_info): New function.
        (vect_set_dump_settings): New function.
        (vect_set_verbosity_level): New function.
        (vectorize_loops): Add call to vect_set_dump_settings.

        (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
        (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
        (slpeel_tree_peel_loop_to_edge): Likewise.

        (vect_analyze_offset_expr): Call to vect_print_dump_info with
        appropriate verbosity level instead of call to vect_debug_details
        or vect_debug_stats.
        (vect_get_base_and_offset):
        (vect_create_addr_base_for_vector_ref):
        (get_vectype_for_scalar_type):
        (vect_create_data_ref_ptr):
        (vect_init_vector):
        (vect_get_vec_def_for_operand):
        (vect_finish_stmt_generation):
        (vectorizable_assignment):
        (vectorizable_operation):
        (vectorizable_store):
        (vectorizable_load):
        (vect_transform_stmt):
        (vect_update_ivs_after_vectorizer):
        (vect_do_peeling_for_loop_bound):
        (vect_update_inits_of_drs):
        (vect_do_peeling_for_alignment):
        (vect_transform_loop):
        (vect_is_simple_use):
        (vect_analyze_operations):
        (vect_is_simple_iv_evolution):
        (vect_analyze_scalar_cycles):
        (vect_analyze_data_ref_dependence):
        (vect_analyze_data_ref_dependences):
        (vect_compute_data_ref_alignment):
        (vect_enhance_data_refs_alignment):
        (vect_analyze_data_refs_alignment):
        (vect_analyze_data_ref_access):
        (vect_analyze_data_ref_accesses):
        (vect_analyze_pointer_ref_access):
        (vect_get_memtag_and_dr):
        (vect_analyze_data_refs):
        (vect_mark_relevant):
        (vect_stmt_relevant_p):
        (vect_mark_stmts_to_be_vectorized):
        (vect_can_advance_ivs_p):
        (vect_get_loop_niters):
        (vect_analyze_loop_form):
        (vect_analyze_loop):
        (vectorize_loops): Likewise.

        (vect_do_peeling_for_loop_bound): Dump format slightly changed.
        (vect_update_inits_of_drs):
        (vect_do_peeling_for_alignment):
        (vect_transform_loop):
        (vect_analyze_operations):
        (vect_analyze_scalar_cycles):
        (vect_analyze_data_ref_dependences):
        (vect_analyze_data_refs_alignment):
        (vect_analyze_data_ref_accesses):
        (vect_analyze_data_refs):
        (vect_mark_stmts_to_be_vectorized):
        (vect_get_loop_niters):
        (vect_analyze_loop_form):
        (vect_analyze_loop): Likewise.
        (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.

Co-Authored-By: Dorit Naishlos <dorit@il.ibm.com>

From-SVN: r94697
2005-02-07 10:07:07 +00:00
Leehod Baruch
7353a8c12a tree-vectorizer.h (LOC): New type.
* tree-vectorizer.h (LOC): New type.
        (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
        (loop_line_number): New field in struct _loop_vec_info.
        (LOOP_VINFO_LOC, LOOP_LOC): New macros.

        * tree-vectorizer.c (input.h): Included.
        (find_loop_location): New function.
        (vect_debug_stats): Argument changed from loop to LOC. Computation of
        loop line number removed.
        (vect_debug_details): Likewise.
        (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.

        (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
        call to vect_debug_details/stats changed from loop to loop_loc.
        (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
        (slpeel_tree_peel_loop_to_edge): Likewise.

        (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
        changed from NULL to UNKNOWN_LOC.
        (vect_get_base_and_offset):
        (vect_create_addr_base_for_vector_ref):
        (get_vectype_for_scalar_type):
        (vect_create_data_ref_ptr):
        (vect_init_vector):
        (vect_get_vec_def_for_operand):
        (vect_finish_stmt_generation):
        (vectorizable_assignment):
        (vectorizable_operation):
        (vectorizable_store):
        (vectorizable_load):
        (vect_transform_stmt):
        (vect_update_ivs_after_vectorizer):
        (vect_do_peeling_for_loop_bound):
        (vect_do_peeling_for_alignment):
        (vect_transform_loop):
        (vect_is_simple_use):
        (vect_analyze_operations):
        (vect_is_simple_iv_evolution):
        (vect_analyze_scalar_cycles):
        (vect_analyze_data_ref_dependences):
        (vect_compute_data_ref_alignment):
        (vect_enhance_data_refs_alignment):
        (vect_analyze_data_ref_access):
        (vect_analyze_data_ref_accesses):
        (vect_analyze_pointer_ref_access):
        (vect_get_memtag_and_dr):
        (vect_analyze_data_refs):
        (vect_mark_relevant):
        (vect_stmt_relevant_p):
        (vect_mark_stmts_to_be_vectorized):
        (vect_can_advance_ivs_p):
        (vect_get_loop_niters):
        (vect_analyze_loop):
        (vectorize_loops): Likewise.

        (vectorizable_load): Argument in call to vect_debug_details/stats
        changed from loop to LOOP_LOC (loop_vinfo).
        (vect_transform_loop):
        (vect_analyze_operations):
        (vect_analyze_scalar_cycles):
        (vect_analyze_data_ref_dependence):
        (vect_enhance_data_refs_alignment):
        (vect_analyze_data_ref_accesses):
        (vect_analyze_pointer_ref_access):
        (vect_analyze_data_refs):
        (vect_analyze_loop): Likewise.

        (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
        changed from loop to loop_loc.

        (vect_enhance_data_refs_alignment): Removed unused variable loop.

From-SVN: r94662
2005-02-03 16:22:22 +00:00
Leehod Baruch
ef30229313 tree-vectorizer.c (vect_analyze_data_ref_dependence): Function declaration added.
* tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
        declaration added.
        (vect_analyze_data_ref_dependences): Likewise.

        (vect_is_simple_use): Argument changed from loop structure to
        loop_vect_info structure.
        (vect_can_advance_ivs_p): Likewise.
        (vect_create_index_for_vector_ref): Likewise.
        (vect_update_ivs_after_vectorizer): Likewise.
        (new_stmt_vec_info): Likewise.

        (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
        changed from loop to loop_vinfo.
        (vect_create_data_ref_ptr): First argument in call to
        vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
        (vectorizable_assignment): Second argument in call to vect_is_simple_use
        was changed from loop to loop_vinfo.
        (vectorizable_operation): Likewise.
        (vectorizable_store): Likewise.
        (vect_mark_stmts_to_be_vectorized): Likewise.
        (vect_do_peeling_for_loop_bound): First argument in call to
        vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
        (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
        was changed from loop to loop_vinfo.
        (vect_analyze_data_ref_dependences): Third argument in call to
        vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.

        (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
        (vect_create_data_ref_ptr): Likewise.
        (vect_init_vector): Likewise.
        (vect_get_vec_def_for_operand): Likewise.
        (vectorizable_assignment): Likewise.
        (vectorizable_operation): Likewise.
        (vectorizable_store): Likewise.
        (vectorizable_load): Likewise.
        (vect_update_ivs_after_vectorizer): Likewise.
        (vect_is_simple_use): Likewise.
        (vect_analyze_data_ref_dependence): Likewise.
        (vect_analyze_pointer_ref_access): Likewise.
        (vect_can_advance_ivs_p): Likewise.

        * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
        before _stmt_vec_info.
        (_stmt_vec_info): Loop field replaced by loop_vec_info.
        (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
        (new_stmt_vec_info): Argument changed from loop structure to
        loop_vect_info structure

        (vect_analyze_data_ref_dependences): Unnecessary line was removed.
        (vect_analyze_offset_expr): Avoid 80 columns overflow.
        (vect_create_addr_base_for_vector_ref): Likewise.
        (vect_analyze_pointer_ref_access): Likewise.

Co-Authored-By: Dorit Naishlos <dorit@il.ibm.com>

From-SVN: r94661
2005-02-03 16:13:17 +00:00
Ira Rosen
1de6a87312 re PR tree-optimization/18179 (vectorizer: wrong alignment/step/initial-address computed for struct accesses)
2004-12-29  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/18179
        * tree-vectorizer.h (struct _stmt_vec_info): Add new fields:
        initial_offset, step, misalignment and base_aligned_p and macros
        to access them.
        * tree-vectorizer.c (vect_analyze_offset_expr): New function.
        (new_stmt_vec_info): Initialize the new fields of stmt_vec_info.

        (vect_create_data_ref_ptr): Fix printings.

From-SVN: r92701
2004-12-29 13:16:07 +00:00
Dorit Naishlos
0dc0a70b2f re PR tree-optimization/18009 (ICE in vect_transform_stmt, at tree-vectorizer.c:2625 (testcase included))
PR tree-optimization/18009
        * tree-vectorizer.h (enum dr_alignment_support): New type.
        (MAX_NUMBER_OF_UNALIGNED_DATA_REFS): Removed.
        (LOOP_UNALIGNED_DR): replaced with LOOP_VINFO_UNALIGNED_DR and holds a
        single data_reference (instead of a varray of references).
        * tree-vectorizer.c (new_loop_vec_info): Likewise.
        (vect_gen_niters_for_prolog_loop): Likewise.
        (vect_update_inits_of_drs): Likewise.

        (vect_update_inits_of_drs): Setting of DR_MISALIGNMENT moved to
        vect_enhance_data_refs_alignment.
        (vect_do_peeling_for_alignment): Likewise.
        (vect_enhance_data_refs_alignment): Decide if and by how much to peel;
        this functionality used to be in vect_analyze_data_refs_alignment.
        Also update DR_MISALIGNMENT due to peeling; this functionality used to
        be in vect_update_inits_of_drs and vect_do_peeling_for_alignment).
        (vect_analyze_data_refs_alignment): Decision on whether and by how much
        to peel moved to vect_enhance_data_refs_alignment. Call
        vect_supportable_dr_alignment.

        (vect_compute_data_ref_alignment): Set STMT_VINFO_VECTYPE.
        (vect_compute_data_refs_alignment): Return bool. Consider return value
        of vect_compute_data_ref_alignment and return true/false accordingly.
        (vect_enhance_data_refs_alignment): Consider return value of
        vect_compute_data_refs_alignment and return true/false accordingly.

        (vect_supportable_dr_alignment): New function.
        (vectorizable_store): Call vect_supportable_dr_alignment.
        (vectorizable_load): Call vect_supportable_dr_alignment. Alignment
        support checks moved from here to vect_supportable_dr_alignment.

        (vect_transform_loop): Avoid 80 columns overflow.

From-SVN: r90051
2004-11-04 05:26:53 +00:00
Olga Golovanevsky
a023975e42 2004-10-14 Olga Golovanevsky <olga@il.ibm.com>
* tree-vectorizer.c (vect_generate_tmps_on_preheader):
        (vect_update_ivs_after_vectorizer):
        (vect_transform_for_unknown_loop_bound):
        (tree_duplicate_loop_to_edge):
        (allocate_new_names):
        (rename_use_op):
        (rename_def_op):
        (rename_variables_in_bb):
        (free_new_names):
        (rename_variables_in_loop):
        (copy_phi_nodes):
        (update_phis_for_duplicate_loop):
        (update_phi_nodes_for_guard):
        (make_loop_iterate_ntimes):
        (tree_duplicate_loop_to_edge_cfg):
        (add_loop_guard):
        (vect_analyze_loop_with_symbolic_num_of_iters):
        (verify_loop_for_duplication):
        (vect_gen_niters_for_prolog_loop):
        (vect_update_niters_after_peeling):
        (vect_update_inits_of_dr):
        (vect_update_inits_of_drs):
        (vect_build_loop_niters):
        (vect_do_peeling_for_alignment): New functions.
        (vect_transform_loop): Add unknown and known but indivisible loop
        bound support; add peeling for unalignment support.
        (vect_analyze_loop_form): Support symbolic number of iterations.
        (vect_transform_loop_bound): New input parameter.
        (vect_get_loop_niters): Change input parameter type.
        (new_loop_vec_info): LOOP_VINFO_NITERS is tree now.
        (vectorizable_store): Allow unaligned access.
        (vectorize_loops): Add rewrite_into_loop_closed_ssa.
        (vect_analyze_data_refs_alignment): Allowed one unaligned
        store.
        * tree-vectorizer.h (LOOP_VINFO_NITERS_KNOWN_P): Redefined
        to use tree.
        (LOOP_VINFO_INT_NITERS): New macro.
        (MAX_NUMBER_OF_UNALIGNED_DATA_REFS): New define.
        (do_peeling_for_alignment):
        (unaligned_drs): New members of _loop_vec_info.
        (LOOP_DO_PEELING_FOR_ALIGNMENT): New macro.

From-SVN: r89040
2004-10-14 17:21:35 +00:00
Dorit Naishlos
7ccf35ed17 tree.def (ALIGN_INDIRECT_REF, [...]): New tree-codes.
2004-09-23  Dorit Naishlos <dorit@il.ibm.com>

        * tree.def (ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF):
        New tree-codes.
        * tree.h (REF_ORIGINAL): Consider ALIGN_INDIRECT_REF and
        MISALIGNED_INDIRECT_REF.
        * alias.c (get_alias_set, nonoverlapping_memrefs_p): Likewise.
        * emit-rtl.c (mem_expr_equal_p, set_mem_attributes_minus_bitpos):
        Likewise.
        * expr.c (safe_from_p, expand_expr_real_1, rewrite_address_base)
        (find_interesting_uses_address): Likewise.
        * fold-const.c (non_lvalue, operand_equal_p): Likewise.
        (build_fold_addr_expr_with_type): Likewise.
        * gimplify.c (gimplify_addr_expr, gimplify_expr): Likewise.
        * print-rtl.c (print_mem_expr): Likewise.
        * tree-dump.c (dequeue_and_dump): Likewise.
        * tree-eh.c (tree_could_trap_p): Likewise.
        * tree-gimple.c (is_gimple_addressable, get_base_address): Likewise.
        * tree-pretty-print.c (op_prio, op_symbol, dump_generic_node): Likewise.
        * tree-ssa-alias.c (find_ptr_dereference, ptr_is_dereferenced_by):
        Likewise.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
        * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
        * tree-ssa-loop-im.c (for_each_index, is_call_clobbered_ref): Likewise.
        * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Likewise.
        (add_address_candidates, rewrite_address_base): Likewise.
        * tree-ssa-operands.c (get_expr_operands, get_indirect_ref_operands):
        Likewise.
        * tree.c (staticp, build1_stat): Likewise.

        * tree.def (REALIGN_LOAD_EXPR, REALIGN_STORE_EXPR): New tree-codes.
        * tree-pretty-print.c (dump_generic_node): Consider REALIGN_LOAD_EXPR.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * expr.c (expand_expr_real_1): Likewise.

        * optabs.h (vec_realign_store_optab, vec_realign_load_optab): New
        optabs.
        (OTI_vec_realign_store, OTI_vec_realign_load): New optab_index values
        for the new optabs.
        (expand_ternary_op): New function.
        * genopinit.c (optabs): Handle the new optabs.
        * optabs.c (optab_for_tree_code): Add cases for the new tree-codes.
        (init_optabs): Initialize vec_realign_load_optab.
        (expand_ternary_op): New functions.

        * target-def.h (TARGET_VECTORIZE): New member for struct gcc_target.
        (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New member for targetm.vectorize.
        (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Likewise.
        (TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE): Likewise.
        * target.h (struct vectorize): New member for struct gcc_target.
        (misaligned_mem_ok): New member for targetm.vectorize.
        (builtin_mask_for_load): Likewise.
        (builtin_mask_for_store): Likewise.
        * targethooks.c (default_vect_misaligned_mem_ok): New function.
        * targethooks.h (default_vect_misaligned_mem_ok): New function.

        * config/rs6000/altivec.md (build_vector_mask_for_load): New
        define_expand.
        (vec_realign_load_v4si, vec_realign_load_v4sf, vec_realign_load_v8hi)
        (vec_realign_load_v16qi): New define_insn.
        * config/rs6000/rs6000.h (ALTIVEC_BUILTIN_MASK_FOR_LOAD):
        (ALTIVEC_BUILTIN_MASK_FOR_STORE): New target builtins.
        * config/rs6000/rs6000.c (altivec_builtin_mask_for_load):
        (altivec_builtin_mask_for_store): New variables.
        (rs6000_builtin_mask_for_load): New function. Implements
        TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD.
        (rs6000_builtin_mask_for_store): New function. Implements
        TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE.
        (rs6000_expand_builtin): Expand the target builtins
        builtin_mask_for_load and builtin_mask_for_store.
        (altivec_init_builtins): Initialize the new target builtins.
        * config/i386/i386.c (ix86_misaligned_mem_ok): New function.
        Implements the target hook TARGET_VECTORIZE_MISALIGNED_MEM_OK.

        * tree-vectorizer.c (vect_create_data_ref): Renamed to
        vect_create_data_ref_ptr. Returns a pointer instead of an array-ref.
        (vect_create_addr_base_for_vector_ref): Additional argument (offset).
        (vectorizable_store): Call vect_create_data_ref_ptr with additional
        arguments, and create an indirect_ref with its return value data_ref.
        Check aligned_access_p.
        (vectorizable_load): Handle misaligned loads, using software-pipelined
        scheme with REALIGN_LOAD_EXPR and ALIGN_INDIRECT_REF if
        vec_realign_load_optab is supported, or using a scheme without
        software-pipelining with MISALIGNED_INDIRECT_REF if the target hook
        misaligned_mem_ok is supported.

        (vect_finish_stmt_generation): Typo.
        (vect_enhance_data_refs_alignment): Rename loop_vinfo to loop_info.
        (vect_analyze_data_refs_alignment): Don't fail vectorization in the
        presence of misaligned loads.
        (vect_analyze_data_ref_access): Add check for constant init.
        (vect_get_symbl_and_dr): Remove duplicate line.
        * tree-vectorizer.h (DR_MISALIGNMENT): Add comment.

From-SVN: r87948
2004-09-23 14:34:35 +00:00
Ira Rosen
6775f1f3a7 tree-vectorizer.h (stmt_vec_info): Add vect_dr_base field.
2004-09-19  Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.h (stmt_vec_info): Add vect_dr_base field.
        (STMT_VINFO_VECT_DR_BASE): Declare.
        (VECT_SMODULO): Declare.
        * tree-vectorizer.c (vect_compute_array_ref_alignment): New function.
        (vect_compute_array_base_alignment): New function.
        (vect_analyze_data_ref_access): Check array indices. Remove one
        dimensional arrays restriction.
        (vect_get_ptr_offset): New function.
        (vect_get_symbl_and_dr): New function.
        (vect_get_base_and_bit_offset): Support additional data refs. Renamed
        (former name vect_get_base_decl_and_bit_offset).
        (vect_create_index_for_array_ref): Removed.
        (vect_create_index_for_vector_ref): New function.
        (vect_create_addr_base_for_vector_ref): New function.
        (vect_create_data_ref): Handle additional data refs. Call
        vect_create_index_for_vector_ref and vect_create_addr_base_for_vector_ref.
        (vect_compute_data_ref_alignment): Support the changes. Call
        vect_get_base_and_bit_offset.
        (vect_analyze_data_refs): Call vect_get_symbl_and_dr. Support additional
        data refs. Store vect_dr_base.
        (vect_analyze_data_ref_accesses): Support nonconstant init.
        (new_stmt_vec_info): Initialize vect_dr_base field.
        (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
        (get_vectype_for_scalar_type): Check for BLKmode.
        * tree-chrec.h (initial_condition_in_loop_num): Declare.
        * tree-chrec.c (initial_condition_in_loop_num): New function.
        (chrec_component_in_loop_num): New function.
        (evolution_part_in_loop_num): Call chrec_component_in_loop_num.
        * tree-data-ref.c (analyze_array_indexes): Change parameter (access_fns)
        to be pointer to varray_type.

From-SVN: r87731
2004-09-19 18:01:51 +00:00
Kazu Hirata
6cb38cd4ae c-common.c, [...]: Fix comment typos.
* c-common.c, c-pch.c, defaults.h, lambda-code.c, passes.c,
	tree-data-ref.c, tree-flow.h, tree-ssa-operands.c,
	tree-ssa-threadupdate.c, tree-vectorizer.c, tree-vectorizer.h,
	value-prof.c: Fix comment typos.  Follow spelling conventions.

From-SVN: r87288
2004-09-10 10:44:48 +00:00
Kazu Hirata
8c27b7d4d1 c-common.c, [...]: Fix comment formatting.
* c-common.c, c-decl.c, combine.c, defaults.h, fold-const.c,
	gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
	stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
	tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
	tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
	tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
	tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
	vec.h: Fix comment formatting.

From-SVN: r87105
2004-09-05 16:05:06 +00:00
Dorit Naishlos
79fe1b3bd0 tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE trees.
* tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE trees.
        * tree-vectorizer.h: New File: Same.
        * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
        * common.opt (ftree-vectorize): New flag to enable vectorization.
        * timevar.def (TV_TREE_VECTORIZATION): New dump file for vectorization
        pass.
        * tree-data-ref.h (init_data_ref): Additional argument.
        (array_base_name_differ_p): Moved to tree-data-ref.c.
        * tree-data-ref.c (array_base_name_differ_p): Revised.
        (initialize_data_dependence_relation): Call array_base_name_differ_p
        with an extra argument.
        (analyze_all_data_dependences): Same.
        (init_data_ref): Additional argument is_read to set DR_IS_READ.
        * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this file.
        * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
        * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
        * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
        vectorization pass.
        * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
        (tree_ssa_loop_done): Call scev_finalize.
        (tree_vectorize): Define the new vectorization pass.
        * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the size of
        the vector they support (until support for multiple vector sizes is
        added to the vectorizer).
        * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
        * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
        * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
        documentation.

From-SVN: r86131
2004-08-17 16:17:14 +00:00