Commit Graph

56 Commits

Author SHA1 Message Date
Kazu Hirata
e3df376d22 Makefile.in (tree-into-ssa.o, [...]): Depend on vecprim.h.
* Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
	tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
	global.o, cfglayout.o, lambda-code.o, reg-stack.o,
	build/genextract.o): Depend on vecprim.h.
	* cfglayout.c, df-problems.c, function.c, genextract.c,
	global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
	tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
	vecprim.h.
	* vecprim.h: New.

From-SVN: r112830
2006-04-10 19:26:18 +00:00
Sebastian Pop
ebf78a479a tree-loop-linear.c: Don't include varray.h.
* tree-loop-linear.c: Don't include varray.h.
	(gather_interchange_stats, try_interchange_loops,
	linear_transform_loops): Use VEC instead of VARRAY.
	* lambda-mat.c: Don't include varray.h.
	* tree-chrec.c: Same.
	* lambda-trans.c: Same.
	* tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
	VEC instead of VARRAY.
	* tree-vectorizer.h: Idem.
	* tree-data-ref.c (dump_data_references,
	dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
	initialize_data_dependence_relation, finalize_ddr_dependent,
	compute_all_dependences, find_data_references_in_loop,
	compute_data_dependences_for_loop, analyze_all_data_dependences,
	free_dependence_relation, free_dependence_relations,
	free_data_refs): Idem.
	* tree-data-ref.h (data_reference_p, subscript_p): New.
	(data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
	VEC instead of VARRAY.
	(DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
	(find_data_references_in_loop, compute_data_dependences_for_loop,
	dump_ddrs, dump_dist_dir_vectors, dump_data_references,
	dump_data_dependence_relations, free_dependence_relations,
	free_data_refs): Adjust declaration.
	(lambda_transform_legal_p): Move declaration here...
	* tree-vect-analyze.c (vect_analyze_data_ref_dependences,
	vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
	vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
	vect_analyze_data_refs): Use VEC instead of VARRAY.
	* lambda.h (lambda_transform_legal_p): ...from here.
	* lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
	* tree-vect-transform.c (vect_update_inits_of_drs): Idem.
	* Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
	tree-chrec.o): Don't depend on VARRAY_H.

From-SVN: r112437
2006-03-28 04:19:26 +00:00
Daniel Berlin
e3e868f62e lambda-code.c (can_convert_to_perfect_nest): Allow any type of
2006-02-27  Daniel Berlin  <dberlin@dberlin.org>

	* lambda-code.c (can_convert_to_perfect_nest): Allow any type of

From-SVN: r111489
2006-02-27 17:38:14 +00:00
Sebastian Pop
0ff4040e02 tree-chrec.c (eq_evolutions_p): New.
* tree-chrec.c (eq_evolutions_p): New.
	* tree-chrec.h (eq_evolutions_p): Declared.
	* tree-data-ref.c: Fix formatting.
	(datadep_stats, dependence_stats): New.
	(gcd): Moved...
	(print_direction_vector): New.
	(dump_data_dependence_relation): Use print_direction_vector.
	(object_analysis, create_data_ref): Handle COMPONENT_REF.
	(compute_subscript_distance): Static.
	(initialize_data_dependence_relation): Static.  Get the number
	of loops surrounding the references from the callers, and initialize
	DDR_SIZE_VECT to nb_loops.  Use both base_addr_differ_p and
	base_object_differ_p analyzers.
	(analyze_ziv_subscript, analyze_siv_subscript_cst_affine, 
	compute_overlap_steps_for_affine_1_2,
	analyze_subscript_affine_affine): Count the classified dependences.
	Print a message when a test failed.
	(can_use_analyze_subscript_affine_affine): New.	
	(analyze_siv_subscript): Compute the data dependences on symbolic
	scevs that verify can_use_analyze_subscript_affine_affine.
	(chrec_steps_divide_constant_p): Returns true, false, or unknown.
	(analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
	Handle symbolic scevs.
	(analyze_overlapping_iterations): Let symbolic affine scevs to be
	analyzed.
	(subscript_dependence_tester): Moved...
	(build_classic_dist_vector, build_classic_dir_vector): Don't use 
	lambda_vector_clear on newly allocated vectors.  Get nb_loops from
	DDR_SIZE_VECT instead of getting it in parameter.
	(subscript_dependence_tester): ... here.  Take as a parameter 
	loop_nest_depth.  Call build_classic_dist_vector and
	build_classic_dir_vector.
	(compute_affine_dependence): Update subscript_dependence_tester 
	parameters.  Update datadep_stats counters.  Call 
	compute_subscript_distance.
	(compute_self_dependence): Save the dist and dir vectors.  Call 
	compute_subscript_distance.
	(ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
	(compute_all_dependences): Reorder parameters as they were before
	conversion to VEC.  Pass nb_loops and loop_nest_depth.  Don't call
	compute_subscript_distance.  Update the use of 
	compute_affine_dependence and initialize_data_dependence_relation.
	(find_data_references_in_loop): Handle COMPONENT_REF.
	(compute_data_dependences_for_loop): Initialize dependence_stats.
	Don't call build_classic_dist_vector and build_classic_dir_vector.
	Update the parameters of initialize_data_dependence_relation and 
	compute_all_dependences.  Print the statistics from datadep_stats.
	(analyze_all_data_dependences): Static.  Not used until the pass for
	checking the data dependences is contributed.
	* tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
	DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
	(initialize_data_dependence_relation, compute_affine_dependence, 
	analyze_all_data_dependences, compute_subscript_distance): Removed.
	(print_direction_vector): New.
	* lambda.h (gcd): ... here.
	(lambda_vector_gcd): Moved here from gcd_vector.
	* lambda-code.c (gcd, gcd_vector): Removed.
	(lambda_compute_target_space): Use lambda_vector_gcd.  Fix formatting.
	* Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.

From-SVN: r111312
2006-02-20 20:25:54 +00:00
Paolo Bonzini
35771d345f tree-flow-inline.h (bsi_after_labels): Rewrite, return what its name says.
2006-02-02  Paolo Bonzini  <bonzini@gnu.org>

	* tree-flow-inline.h (bsi_after_labels): Rewrite, return
	what its name says.
	* lambda-code.c (perfect_nestify): Use bsi_insert_before on
	bsi_after_labels iterator.
	* tree-if-conv.c (find_phi_replacement_condition,
	replace_phi_with_cond_modify_expr): Likewise.
	* tree-scalar-evolution.c (scev_const_prop): Likewise.
	* tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.

From-SVN: r110514
2006-02-02 13:05:36 +00:00
Daniel Berlin
dc006c709d lambda-code.c (can_put_in_inner_loop): Relax restrictions.
2006-01-04  Daniel Berlin  <dberlin@dberlin.org>

	* lambda-code.c (can_put_in_inner_loop): Relax
	restrictions.
	(can_put_after_inner_loop): New function.
	(can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
	(perfect_nestify): Change to make copies and modify uses.

From-SVN: r109337
2006-01-04 16:34:52 +00:00
Richard Guenther
0d45140575 tree-vrp.c (build_assert_expr_for, [...]): Use buildN instead of build.
2005-12-02  Richard Guenther  <rguenther@suse.de>

	* tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
	simplify_cond_using_ranges): Use buildN instead of build.
	* tree-tailcall.c (adjust_accumulator_values,
	adjust_return_value): Likewise.
	* tree-sra.c (generate_one_element_ref, generate_copy_inout,
	generate_element_copy, generate_element_zero,
	generate_one_element_init): Likewise.
	* tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
	* lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
	lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
	perfect_nestify): Likewise.

From-SVN: r107894
2005-12-02 14:40:40 +00:00
Sebastian Pop
304afda64b lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS for testing whether the data_dependence_relation...
* lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
	for testing whether the data_dependence_relation contains distance
	vectors.  Iterate over all distance vectors of the ddr.
	* lambda.h: Define a vec of lambda_vector pointers.
	* tree-data-ref.c (dump_data_dependence_relation,
	dump_data_dependence_direction): Iterate over all distance and
	direction vectors of the ddr.
	(initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
	DDR_DIST_VECTS.
	(build_classic_dist_vector, build_classic_dir_vector): Push a set
	of distance/direction vectors instead of a single one.
	* tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist 
	lambda_vectors with a vec of lambda_vectors.
	(DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
	(DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
	DDR_NUM_DIST_VECTS): New.
	* tree-loop-linear.c (gather_interchange_stats): Test for the
	existence of distance vectors only after having checked that there
	is a dependence.  Iterate over all distance vectors of the ddr.
	(linear_transform_loops): Use dump_data_dependence_relation.
	* tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
	distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
	distance vectors of the ddr.

From-SVN: r106530
2005-11-05 16:50:47 +00:00
Sebastian Pop
37b8a73b50 lambda-code.c (lambda_vector_lexico_pos): Moved...
* lambda-code.c (lambda_vector_lexico_pos): Moved...
	* lambda.h (lambda_vector_lexico_pos): ... here.
	* tree-data-ref.c (build_classic_dist_vector): Return false when
	the distance vector is lexicographically negative.

From-SVN: r103392
2005-08-23 08:24:20 +00:00
Kazu Hirata
987b67bc55 builtins.c, [...]: Use fold_buildN instead of fold (buildN (...)).
* builtins.c, c-common.c, c-convert.c, c-decl.c, c-typeck.c,
	convert.c, lambda-code.c, predict.c, tree-cfg.c,
	tree-complex.c, tree-data-ref.c, tree-if-conv.c,
	tree-mudflap.c, tree-scalar-evolution.c, tree-ssa-ccp.c,
	tree-ssa-loop-ivcanon.c, tree-ssa-loop-ivopts.c,
	tree-ssa-loop-manip.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
	tree-vect-analyze.c, tree-vect-transform.c, tree-vectorizer.c,
	tree.c: Use fold_buildN instead of fold (buildN (...)).

From-SVN: r101338
2005-06-26 21:21:34 +00:00
Kelley Cook
366ccddb2b Update FSF address.
From-SVN: r101317
2005-06-25 02:02:01 +00:00
Daniel Berlin
e4d693c1c2 lambda-code.c (replace_uses_equiv_to_x_with_y): Verify the step is an INTEGER_CST before calling int_cst_value.
2005-06-11  Daniel Berlin  <dberlin@dberlin.org>

	* lambda-code.c (replace_uses_equiv_to_x_with_y): Verify the step
	is an INTEGER_CST before calling int_cst_value.

From-SVN: r100839
2005-06-11 15:28:35 +00:00
Daniel Berlin
c45af542bd lambda-code.c (replace_uses_equiv_to_x_with_y): Check step and access function against chrec_dont_know.
2005-06-10  Daniel Berlin  <dberlin@dberlin.org>

	* lambda-code.c (replace_uses_equiv_to_x_with_y): Check step
	and access function against chrec_dont_know.

From-SVN: r100831
2005-06-10 21:34:07 +00:00
Daniel Berlin
668c9ad184 lambda-code.c (replace_uses_of_x_with_y): Renamed and rewritten slightly.
2005-06-10  Daniel Berlin  <dberlin@dberlin.org>

	* lambda-code.c (replace_uses_of_x_with_y): Renamed and rewritten
        slightly.
	(exit_phi_for_loop_p): New function.
	(can_put_in_inner_loop): Ditto.
	(can_convert_to_perfect_nest): Ditto.
	(perfect_nestify): Create iv with right type.
	Rewrite statements in correct order.

From-SVN: r100827
2005-06-10 19:23:26 +00:00
Kaveh R. Ghazi
4c714dd4a6 basic-block.h, [...]: Don't include errors.h and include toplev.h if necessary.
* basic-block.h, bb-reorder.c, c-gimplify.c, config/darwin.c,
	config/rs6000/rs6000-c.c, dominance.c, gimple-low.c, gimplify.c,
	lambda-code.c, lambda-trans.c, tree-browser.c, tree-cfg.c,
	tree-chrec.c, tree-data-ref.c, tree-dfa.c, tree-eh.c,
	tree-if-conv.c, tree-into-ssa.c, tree-loop-linear.c,
	tree-mudflap.c, tree-nomudflap.c, tree-outof-ssa.c,
	tree-pretty-print.c, tree-scalar-evolution.c, tree-sra.c,
	tree-ssa-ccp.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
	tree-ssa-dse.c, tree-ssa-forwprop.c, tree-ssa-live.c,
	tree-ssa-operands.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
	tree-ssa-propagate.c, tree-ssa-sink.c, tree-ssa-threadupdate.c,
	tree-ssa-uncprop.c, tree-ssa.c, tree-vect-analyze.c,
	tree-vect-transform.c, tree-vectorizer.c, vec.c: Don't include
	errors.h and include toplev.h if necessary.

	* rtl.c, varray.c: If we're compiling as a GENERATOR_FILE, include
	errors.h otherwise include toplev.h.

	* Makefile.in: Update dependencies.

ada:
	* misc.c: Don't include errors.h.

fortran:
	* fortran/trans-decl.c: Don't include errors.h.
	* fortran/Make-lang.in: Updates dependencies.

java:
	* java/verify-glue.c: Don't include errors.h and include toplev.h.
	* java/Make-lang.in: Updates dependencies.

treelang:
	* treelang/lex.l, treelang/parse.y: Don't include errors.h and
	include toplev.h.
	* treelang/Make-lang.in: Updates dependencies.

From-SVN: r100420
2005-06-01 02:51:18 +00:00
Nathan Sidwell
a0ef884f73 vec.h: Implement integral type vector specialization.
* vec.h: Implement integral type vector specialization.
	(VEC_T): Define a non-GTY structure.
	(VEC_T_GTY): Define a GTY structure.
	(VEC_TA): Rename to ...
	(VEC_TA_GTY): ... here.
	(DEF_VEC_I, DEF_VEC_ALLOC_I): New.
	(DEF_VEC_P, DEF_VEC_ALLOC_P): Adjust.
	(DEF_VEC_FUNC_P, DEF_VEC_ALLOC_FUNC_P): New, broken out of
	DEF_VEC_P and DEF_VEC_ALLOC_P.
	(DEF_VEC_O, DEF_VEC_ALLOC_O): Adjust.
	(DEF_VEC_FUNC_O, DEF_VEC_ALLOC_FUNC_O): New, broken out of
	DEF_VEC_O and DEF_VEC_ALLOC_O.
	* global.c: Use DEF_VEC_I, DEF_VEC_ALLOC_I.
	* lambda-code.c: Likewise.
	* tree-into-ssa.c: Likewise.
	* tree-ssa-live.c: Likewise.

From-SVN: r100251
2005-05-27 13:26:02 +00:00
Daniel Berlin
14ac4d9143 lambda-code.c (perfect_nestify): Call update_stmt on the exit condition.
2005-05-25  Daniel Berlin <dberlin@dberlin.org>

	* lambda-code.c (perfect_nestify): Call update_stmt on the exit
	condition.

From-SVN: r100150
2005-05-25 14:05:22 +00:00
Andrew MacLeod
f47c96aac5 lambda-code.c (gcc_loop_to_lambda_loop, [...]): Use generic operand interface.
2005-05-03  Andrew MacLeod  <amacleod@redhat.com>

	* lambda-code.c (gcc_loop_to_lambda_loop,
	lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
	stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
	generic operand interface.
	* tree-data-ref.c (find_data_references_in_loop): Use generic interface.
	* tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
	generic operand interface.
	* tree-flow-inline.h (delink_imm_use, link_imm_use_to_list,
	link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
	next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
	num_imm_uses): Use ssa_use_operand_t.
	(get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
	get_v_must_def_ops): Delete.
	(get_def_from_ptr, get_phi_result_ptr): Get def directly now.
	(get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
	get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
	get_v_must_def_kill_ptr): Delete.
	(delink_stmt_imm_use): Move and use new operand interface.
	(op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
	op_iter_next_tree): Use new operand implementation.
	(clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
	(op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator
	type check.
	(op_iter_next_mustdef, op_iter_next_maydef,
	op_iter_next_must_and_may_def): Delete. Replace with...
	(op_iter_next_maymustdef): New.  Combine must and may next operations.
	(op_iter_init_maydef, op_iter_init_mustdef,
	op_iter_init_must_and_may_def): Use new interface.
	(single_ssa_tree_operand ): New.  Process single operands only as trees.
	(single_ssa_use_operand): New.  Process single operands only as uses.
	(single_ssa_def_operand): New.  Process single operands only as defs.
	(zero_ssa_operands): New.  Return TRUE if there are zero operands of the
	specified types.
	(num_ssa_operands): New.  Count the number of specified operands.
	(compare_ssa_operands_equal): New.  Compare two statements' operands.
	(single_phi_def): New.  Return true if PHI has one def of the specified
	operand type.
	(op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
	(op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
	* tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
	(struct stmt_ann_d): Operands field no longer require GTY().
	(vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
	* tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
	* tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
	dump_replaceable_exprs, rewrite_trees): Use generic interface.
	* tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node):
	Use use_operand_p instead of ssa_imm_use_t *.
	* tree-pretty-print.c (dump_vops): check if operands are active before
	dumping virtual operands.
	* tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
	* tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
	(ccp_fold): Use new interface.
	(ccp_visit_stmt): Remove unused variables and code.
	(convert_to_gimple_builtin): Insert statements before calling
	mark_new_vars_to_rename.
	* tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
	(copy_prop_visit_cond_stmt): Use generic interface.
	* tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the
	annotation in table.
	(thread_across_edge): Use generic interface.
	(initialize_hash_element): Initialzie with stmt, not annotation.
	(eliminate_redundant_computations): Use generic interface.
	(record_equivalences_from_stmt): Pass stmt, not annotation.
	(avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
	interface.
	* tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
	* tree-ssa-loop-ivopts.c (find_invariants_stmt,
	find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use
	generic operand interface.
	* tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
	interface.
	* tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
	Interface.
	* tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
	(build_defs, build_uses, build_v_may_defs, build_vuses,
	build_v_must_defs): Change type to struct opbuild_list_d.
	(ops_active): New.  Operands active boolean.
	(operand_memory, operand_memory_index): New.  Operand memory managers.
	(allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
	allocate_vuse_optype, allocate_v_must_def_optype): Delete.
	(free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
	Change from functions to static variable list heads.
	(opbuild_initialize_virtual): New.  Initialize a virtual build list.
	(opbuild_initialize_real): New.  Initialize a virtual build list.
	(opbuild_free): New.  Free a build list.
	(opbuild_num_elems): New.  Number of items in a list.
	(opbuild_append_real): New.  Add a real (tree *) operand.
	(opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
	(opbuild_first): New.  Return first element index in a list.
	(opbuild_next): New.  Return next element in a list.
	(opbuild_elem_real): New.  Return real element.
	(opbuild_elem_virtual): New.  Return virtual element.
	(opbuild_elem_uid): New.  Return UID of virtual element.
	(opbuild_clear): New.  Reset an operand list.
	(opbuild_remove_elem): New.  Remove an element form a list.
	(ssa_operands_active): New.  Return true if operand cache is active.
	(init_ssa_operands, fini_ssa_operands): Initialize new implementation.
	(ssa_operand_alloc): New.  Allocate memory from an operand chunk.
	(correct_use_link): Use use_operand_p.
	(finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
	finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation.
	(cleanup_v_may_defs): Use new implmentation.
	(finalize_ssa_stmt_operands, start_ssa_stmt_operands): New
	implementation.
	(append_def, append_use, append_v_may_def, append_vuse,
	append_v_must_def): Call opbuild_append routine instead of using varray.
	(build_ssa_operands): Simplify to simply use stmt, don't maintain a
	global parse_old_ops variable.
	(free_ssa_operands): New implementation.
	(update_stmt_operands): Move.  Change argument to build_ssa_operands.
	(copy_virtual_operands): Move. New generic implementation.
	(create_ssa_artficial_load_stmt): Move. New implementation.
	(swap_tree_operands): Update for new implementation.
	(get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
	(add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
	rather than a varray.
	(verify_imm_links): Use use_operand_p.
	(dump_immediate_uses_for): If the immediate use variable is a virtual
	variable, show the virtual ops in the stmt.
	* tree-ssa-operands.h (def_operand_p): No longer a structure.
	(NULL_DEF_OPERAND_P): Now a #define.
	(def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
	vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
	(def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
	mustdef_optype_d): New.  Use Linked list representation.
	(SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
	(struct ssa_operand_memory_d): New.  Allocated Chunk node.
	(struct stmt_operands_d): Change to new pointers that are not GTY.
	(STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
	STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
	SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
	STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT,
	SET_V_MUST_DEF_KILL): Delete.
	(V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT,
	V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
	(V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT,
	V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
	(enum ssa_op_iter_type): Operand iterator typechecking values.
	(struct ssa_operand_iterator_d): Use linked lists of operands.
	(SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
	(FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
	FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
	(FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
	(FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
	(FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
	(SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND,
	SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
	* tree-ssa-opfinalize.h: New.  Function templates for expansion.
	(FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
	alloc_vuse, and alloc_mustdef.
	(FINALIZE_FUNC): Expands into finalize_ssa_def_ops,
	finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
	and finalize_ssa_v_must_def_ops.
	* tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
	(create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
	stmt around.
	(compute_avail): Use generic iterator interface.
	* tree-ssa-propagate.c (first_vdef): Use generic operand interface.
	(stmt_makes_single_load, stmt_makes_single_store): Use
	ZERO_SSA_OPERANDS.
	* tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
	(statement_sink_location): Use generic interface.
	* tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
	(delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
	reset the immediate use link nodes.
	(stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
	* tree-ssanames.c (make_ssa_name): Use use_operand_p.
	* tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
	(eliminate_tail_call): Use generic operand interface.
	* tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
	(vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic
	interface.
	* tree-vect-transform.c (update_vuses_to_preheader): Use generic
	interface.
	* tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
	* tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
	vuse_optype.
	(vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add):
	Use statement pointer instead of vuse_optype.  Use generic interface.
	* tree-vrp.c (maybe_add_assert_expr): Use generic interface.
	(stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
	* tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
	(tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
	* doc/tree-ssa.texi: Update documentation for operand interface.

From-SVN: r99155
2005-05-03 12:19:56 +00:00
Diego Novillo
84d658141e [multiple changes]
2005-04-22  Diego Novillo  <dnovillo@redhat.com>

	* Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
	* lambda-code.c (perfect_nestify): Mark virtual operands in
	the moved statement for renaming.
	* params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
	(PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
	* params.h (MIN_VIRTUAL_MAPPINGS): Define.
	(VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
	* tree-flow.h (struct var_ann_d): Update comments.
	(rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
	allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
	debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
	debug_tree_ssa_stats, rewrite_ssa_into_ssa,
	dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
	debug_names_replaced_by): Remove declarations.
	(delete_update_ssa, get_current_def, set_current_def): Declare.
	(rewrite_into_loop_closed_ssa): Add new argument.  Update
	all callers.
	* tree-into-ssa.c: Include params.h.
	(old_virtual_ssa_names): Remove.  Update all users.
	(need_to_replace_names_p): Remove.  Update all users.
	(struct update_ssa_stats_d): Declare.
	(update_ssa_stats): New local.
	(dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
	dump_tree_ssa_stats, debug_tree_ssa_stats,
	dump_update_ssa, debug_update_ssa,
	dump_names_replaced_by, debug_names_replaced_by): Declare.
	(get_current_def, set current_def): Make extern.
	(is_old_name, is_new_name): Protect against references
	past the end of the sets.
	(add_new_name_mapping): Assert that OLD and NEW are
	different SSA names for the same symbol.
	When adding a virtual mapping, update stats for virtual
	mapping heuristic.
	(insert_phi_nodes_for): If UPDATE_P is true, create the
	LHS of the new PHI by duplicating SSA name VAR.
	(insert_phi_nodes_1): Remove.  Update all users.
	(insert_phi_nodes): Remove second argument.  Update all
	users.
	(maybe_replace_use, maybe_replace_def): New.
	(rewrite_update_stmt): Call them.
	(mark_def_interesting): Remove calls to is_gimple_reg.
	(prepare_phi_args_for_update): Remove.  Update all users.
	(prepare_block_for_update): Only process virtual operands
	and GIMPLE registers in normal form.
	(prepare_use_sites_for): New.
	(prepare_names_to_update): Rename from prepare_def_sites.
	Call prepare_use_sites_for.
	(dump_update_ssa): Rename from dump_repl_tbl.
	Update all users.
	Show statistics for virtual mapping heuristic.
	(debug_update_ssa): Rename from debug_debug_repl_tbl.
	(init_update_ssa): Initialize UPDATE_SSA_STATS.
	(delete_update_ssa): Make extern.
	(mark_set_for_renaming): If the set is empty, do nothing.
	(release_ssa_name_after_update_ssa): Update comment.
	(insert_updated_phi_nodes_for): Do not remove existing
	PHI nodes for symbols.
	(switch_virtuals_to_full_rewrite_p): New.
	(switch_virtuals_to_full_rewrite): New.
	(update_ssa): Call them.
	Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
	for every statement before updating.
	If all the names in NEW_SSA_NAMES have been marked for
	removal, do nothing.
	Only start at the top of the CFG if there are symbols in
	SYMS_TO_RENAME.
	(ssa_rewrite_finalize_block): Remove.
	(ssa_register_new_def): Remove.
	(ssa_rewrite_stmt): Remove.
	(ssa_rewrite_phi_arguments): Remove.
	(ssa_rewrite_initialize_block): Remove.
	(ssa_mark_def_sites): Remove.
	(ssa_mark_def_sites_initialize_block): Remove.
	(ssa_mark_phi_uses): Remove.
	(rewrite_ssa_into_ssa): Remove.
	* tree-phinodes.c (find_phi_node_for): Remove.
	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
	Call update_ssa.
	* tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
	Remove calls to verify_dominators and
	verify_loop_structure.
	(tree_unswitch_single_loop): Call update_ssa.
	* tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
	returns false.
	Call verify_stmts.
	(delete_tree_ssa): Assert that need_ssa_update_p returns
	false.
	* tree-vect-transform.c (vect_transform_loop): Call update_ssa.
	* tree-vectorizer.c (allocate_new_names, rename_def_op,
	free_new_names): Remove.  Update all users.
	(rename_use_op): Call get_current_def.
	(rename_variables_in_bb): Do not handle any real or
	virtual definition.
	(slpeel_update_phis_for_duplicate_loop): Call
	get_current_def and set_current_def instead of using
	SSA_NAME_AUX.
	(slpeel_update_phi_nodes_for_guard2): Reformat comments.
	(slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
	ssa_names_to_replace and delete_update_ssa.
	* doc/invoke.texi: Document --param min-virtual-mappings
	and --param virtual-mappings-ratio.

2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
	    Diego Novillo  <dnovillo@redhat.com>

	* tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
	for newly created PHI nodes.
	Call create_new_def_for for every new V_MAY_DEF and
	V_MUST_DEF on the copied statement.
	(struct ssa_name_map_entry): Remove.
	(ssa_name_map_entry_hash): Remove.
	(ssa_name_map_entry_eq): Remove.
	(allocate_ssa_names): Remove.
	(rewrite_to_new_ssa_names_def): Remove.
	(rewrite_to_new_ssa_names_use): Remove.
	(rewrite_to_new_ssa_names_bb): Remove.
	(rewrite_to_new_ssa_names): Remove.
	(tree_duplicate_sese_region): Remove variables ver,
	definitions, phi, ssa_name_map and bi.
	Call need_ssa_update_p instead of any_marked_for_rewrite_p.
	Call update_ssa.
	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
	update_ssa instead of rewrite_ssa_into_ssa.
	* tree-ssa-loop-manip.c (add_exit_phis_edge): Call
	create_new_def_for.
	(find_uses_to_rename_use): Add argument 'need_phis'.
	(find_uses_to_rename_stmt): Do not scan virtual operands.
	(find_uses_to_rename): Only scan PHI nodes for
	non-virtual names.
	(rewrite_into_loop_closed_ssa): Call update_ssa.
	(check_loop_closed_ssa_use): Ignore virtual operands.
	(check_loop_closed_ssa_stmt): Likewise.
	(verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
	NULL.
	(rename_variables, set_phi_def_stmts): Remove.
	(tree_duplicate_loop_to_header_edge): Reformat comment.
	Remove variables BB, I and DEFINITIONS.
	Call need_ssa_update_p.
	Call update_ssa.
	(lv_adjust_loop_header_phi): Reformat comment.
	* tree-ssanames.c (ssa_names_to_rewrite): Remove.
	(marked_for_rewrite_p, any_marked_for_rewrite_p,
	mark_for_rewrite, unmark_all_for_rewrite,
	marked_ssa_names): Remove.  Update all users.
	(release_ssa_name): If VAR has been registered for SSA
	updating, do nothing.
	* tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
	(build_assert_expr_for): Call register_new_name_mapping.
	(insert_range_assertions): Update call to update_ssa.
	* tree.h (mark_for_rewrite, unmark_all_for_rewrite,
	marked_for_rewrite_p, any_marked_for_rewrite_p,
	marked_ssa_names): Remove.

From-SVN: r98599
2005-04-22 20:59:54 -04:00
Nathan Sidwell
e6ef8d816e lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
* lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
	(gcc_tree_to_linear_expression): Convert to heap allocated
	vectors.
	(gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
	lbv_to_gcc_expression, lle_to_gcc_expression,
	lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
	perfect_nestify): Likewise.
	lambda.h (gcc_loopnest_to_lambda_loopnest,
	lambda_loopnest_to_gcc_loopnest): Likewise.
	tree-loop-linear.c (linear_transform_loops): Likewise.

From-SVN: r98561
2005-04-22 14:17:07 +00:00
Nathan Sidwell
41806d92af alias.c (true_dependence): Remove 'abort' from comments.
* alias.c (true_dependence): Remove 'abort' from comments. Use
	gcc_assert and gcc_unreachable as appropriate.
	(canon_true_dependence): Likewise.
	* bb-reorder.c (connect_traces): Likewise.
	* c-common.c (c_add_case_label): Likewise.
	* c-decl.c (finish_function): Likewise.
	* caller-save.c (insert_restore, insert_save): Likewise.
	* cfg.c (update_bb_profile_for_threading): Likewise.
	* cfganal.c (flow_active_insn_p): Likewise.
	* cfgexpand.c (add_reg_br_prob_note): Likewise.
	* cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
	cfg_layout_merge_blocks): Likewise.
	* ifcvt.c (cond_exec_process_insns, merge_if_block,
	find_if_block): Likewise.
	* integrate.c (allocate_initial_values): Likewise.
	* jump.c (reverse_condition, reverse_condition_maybe_unordered,
	swap_condition, unsigned_condition, signed_condition,
	mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
	reg_or_subregno): Likewise.
	* lambda-code.c (lambda_compute_auxillary_space,
	lambda_transform_legal_p): Likewise.
	* lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
	* langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
	lhd_incomplete_type_error, lhd_expand_expr,
	lhd_types_compatible_p, lhd_tree_size): Likewise.
	* lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
	* local-alloc.c (update_equiv_regs): Likewise.
	* loop-unroll.c (peel_loop_completely
	unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
	peel_loop_simple, unroll_loop_stupid,
	analyze_iv_to_split_insn): Likewise.
	* loop.c (gen_prefetch, find_and_verify_loops,
	basic_induction_var): Likewise.
	* modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
	* value-prof.c (tree_find_values_to_profile): Likewise.
	* varasm.c (named_section, default_assemble_integer,
	decode_addr_const): Likewise.

From-SVN: r98508
2005-04-21 15:47:33 +00:00
Nathan Sidwell
d4e6fecb8f vec.h: Update API to separate allocation mechanism from type.
* vec.h: Update API to separate allocation mechanism from type.
	(VEC_safe_grow): New.
	* vec.c (calculate_allocation): New.
	(vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
	(vec_gc_free, vec_heap_free): Remove.
	* gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
	(VEC): Likewise.
	(mangle_macro_name): New.
	(struct macro_def): New.
	(struct macro): Add multiple argument values.
	(macro_expans_end): New.
	(push_macro_expansion):  Chain on new macro. Process multiple
	args, create follow on expansion. Return follow on argument.
	(macro_input): Deal with multiple arguments.

	* tree.h: Define VEC(tree,heap) and VEC(tree,gc).
	(struct tree_binfo): Adjust.
	* basic-block.h: Define VEC(edge,gc).
	(struct edge_def): Adjust.
	(struct basic_block_def, struct edge_iterator): Likewise.
	(ei_container, ei_start_1, ei_last_1): Likewise.
	* cfg.c (connect_src, connect_dest): Likewise.
	* cfgrtl.c (force_nonfallthru_and_redirect)
	* dbxout.c (dbxout_type)
	* dwarf2out.c (gen_member_die)
	* lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
	(gcc_tree_to_linear_expression): Adjust.
	(gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
	lbv_to_gcc_expression, lle_to_gcc_expression,
	lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
	perfect_nestify): Likewise.
	* lambda.h (gcc_loopnest_to_lambda_loopnest,
	lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
	* profile.c (instrument_values): Adjust.
	* tree-cfg.c (modified_noreturn_calls): Adjust.
	(remove_fallthru_edge): Likewise.
	* tree-dump.c (dequeue_and_dump): Adjust.
	* tree-flow-inline.h (mark_stmt_modified): Adjust.
	* tree-flow.h (modified_noreturn_calls): Adjust.
	(tree_on_heap): Remove. (yay!)
	(register_new_def): Adjust.
	* tree-into-ssa.c: Define VEC(int,heap).
	(block_defs_stack): Adjust.
	(find_idf, insert_phi_nodes, register_new_def,
	rewrite_initialize_block, rewrite_finalize_block,
	register_new_update_single, rewrite_update_init_block,
	rewrite_update_fini_block, rewrite_blocks,
	ssa_rewrite_finalize_block, ssa_register_new_def,
	ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
	* tree-loop-linear.c (linear_transform_loops): Adjust.
	* tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
	(push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
	* tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
	stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
	vrp_variables_stack): Adjust declarations.
	(tree_ssa_dominator_optimize): Adjust.
	(dom_opt_initialize_block, remove_local_expressions_from_table,
	restore_nonzero_vars_to_original_value,
	restore_vars_to_original_value,
	restore_currdefs_to_original_value, dom_opt_finalize_block,
	record_var_is_nonzero, record_cond, record_const_or_copy_1,
	optimize_stmt, update_rhs_and_lookup_avail_expr,
	lookup_avail_expr, record_range): Likewise.
	* tree-ssa-pre.c: Define VEC(basic_block,heap).
	(compute_antic_aux): Adjust.
	(inserted_exprs, create_expression_by_pieces,
	insert_into_preds_of_block, eliminate, mark_operand_necessary,
	remove_dead_inserted_code, fini_pre): Likewise.
	* tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
	(varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
	ssa_prop_init): Likewise.
	* tree-ssa.c: Define VEC(bitmap,heap).
	(verify_name_tags): Adjust.
	* value-prof.c (rtl_divmod_values_to_profile): Adjust.
	(insn_prefetch_values_to_profile, rtl_find_values_to_profile,
	tree_divmod_values_to_profile, tree_find_values_to_profile,
	value_profile_transformations): Likewise.
	* value-prof.h: Define VEC(histogram_value,heap).
	* varasm.c: Remove alias_pair pointer typedef, define
	VEC(alias_pair,gc).
	(finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.

	* config/pa/pa.c (typedef extern_symbol): Typedef the structure,
	not a pointer to it.  Create an object vector.
	(extern_symbols): Turn into an object vector.
	(pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.

	* cp/cp-tree.h: Adjust for new VEC API.
	Define VEC(tree_pair_s,gc).
	(struct save_scope): Adjust.
	(struct lang_type_class): Adjust.
	(unemitted_tinfo_decls): Adjust.
	* cp/class.c (add_method, resort_type_method_vec,
	finish_struct_methods, struct find_final_overrider_data,
	dfs_find_final_overrider_pre, find_final_overrider,
	get_vcall_index, warn_hidden, walk_subobject_offsets,
	check_methods, fixup_inline_methods, end_of_class,
	warn_about_ambiguous_bases, finish_struct, build_vtbl_initializer,
	add_vcall_offset): Adjust.
	* cp/decl.c (xref_basetypes, finish_method): Adjust.
	* cp/decl2.c (check_classfn): Adjust.
	* cp/init.c (sort_mem_initializers, push_base_cleanups): Adjust.
	* cp/method.c (do_build_copy_constructor): Adjust.
	* cp/name-lookup.c (new_class_binding, store_binding,
	store_bindings, store_class_bindings): Adjust.
	* cp/name-lookup.h: Define VEC(cxx_saved_binding,gc),
	VEC(cp_class_binding,gc).
	(struct cp_binding_level): Adjust.
	* cp/parser.c: Define VEC(cp_token_position,heap).
	(struct cp_lexer): Adjust.
	(cp_lexer_new_main, cp_lexer_new_from_tokens, cp_lexer_destroy,
	cp_lexer_save_tokens): Adjust.
	* cp/pt.c (retrieve_specialization,
	check_explicit_specialization): Adjust.
	* cp/rtti.c (unemitted_tinfo_decls): Adjust.
	(init_rtti_processing, get_tinfo_decl, get_pseudo_ti_init,
	get_pseudo_ti_desc): Adjust.
	* cp/search.c (dfs_access_in_type, lookup_conversion_operator,
	lookup_fnfields_1, dfs_walk_once, dfs_walk_once_accessible,
	dfs_get_pure_virtuals, lookup_conversions_r, binfo_for_vbase): Adjust.
	* cp/semantics.c: Define VEC(deferred_access,gc).
	(push_deferring_access_checks): Adjust.
	* cp/typeck2.c (abstract_virtuals_error): Adjust.

From-SVN: r98498
2005-04-21 09:18:28 +00:00
Kazu Hirata
1e6a5d3c8f tree-flow-inline.h (get_stmt_operands): Remove.
* tree-flow-inline.h (get_stmt_operands): Remove.
	* lambda-code.c, tree-ssa-loop-unswitch.c,
	tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
	tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
	tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
	calls to get_stmt_operands.
	* doc/tree-ssa.texi: Don't mention get_stmt_operands.

From-SVN: r98262
2005-04-17 06:42:03 +00:00
Daniel Berlin
e5e656a499 re PR tree-optimization/20612 (ICE in verify_ssa for -ftree-loop-linear)
2005-04-11  Daniel Berlin  <dberlin@dberlin.org>

	Fix PR tree-optimization/20612
	* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
	handling
	(perfect_nestify): preheaderbb is *not* part of loop of the
	old destination.

From-SVN: r97979
2005-04-11 18:55:47 +00:00
Andrew MacLeod
f430bae872 lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
2005-04-05  Andrew MacLeod  <amacleod@redhat.com>

	* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
	Use immediate use iterator.
	(stmt_is_bumper_for_loop): Use immediate use iterator.
	* predict.c (strip_builtin_expect): Use update_stmt.
	* tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
	on all elements of a STATEMENT_LIST.
	(bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
	(bsi_remove): Remove imm_use links and mark the stmt as modified.
	(bsi_replace): Mark stmt as modified and the update it.
	* tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
	(expand_complex_libcal): Call update_stmt.
	(expand_complex_comparison): Call mark_stmt_modified.
	(expand_complex_operations_1): Call update_stmt_if_modified.
	(expand_vector_operations_1): Call mark_stmt_modified.
	* tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
	compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
	add_immediate_use, redirect_immediate_use,
	redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
	dump_immediate_uses_for, debug_immediate_uses_for): Delete.
	(mark_new_vars_to_rename): Call update_stmt.
	* tree-dump.c (dump_option_value_in): Add "stmtaddr".
	* tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
	Ignore PHI nodes.
	(unmodify_stmt): Delete.
	(update_stmt): New.  Force an update of a stmt.
	(update_stmt_if_modified): update a stmt if it is out of date.
	(get_stmt_operands): Verify stmt is NOT modified.
	(stmt_modified_p): Update comment.
	(delink_imm_use): Remove a use node from its immuse list.
	(link_imm_use_to_list): Link a use node to a specific list.
	(link_imm_use): Link a node to the correct list.
	(set_ssa_use_from_ptr): Set a use node to a specific value, and insert
	it in the correct list, if appropriate.
	(link_imm_use_stmt): Link a use node, and set the stmt pointer.
	(relink_imm_use): Link a use node in place of another node in a list.
	(relink_imm_use_stmt): LInk a node in place of another node, and set
	the stmt pointer.
	(end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
	(end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
	(first_safe_imm_use): New.  Initialize a safe immuse iterator.
	(next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
	(end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
	(first_readonly_imm_use): New.  Initialize a fast immuse iterator.
	(next_readonly_imm_use): New.  Get the next fast immuse iterator value.
	(has_zero_uses): New.  Return true if there are no uses of a var.
	(has_single_use): New.  Return true if there is only a single use of a
	variable.
	(single_imm_use): New.  Return the simgle immediate use.
	(num_imm_uses): New.  Return the number of immediate uses.
	(get_v_must_def_ops): Use is now a pointer.
	(use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
	get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
	the use node.
	(get_immediate_uses, num_immediate_uses, immediate_use): Delete.
	(delink_stmt_imm_use): Delink all immuses from a stmt.
	(phi_arg_index_from_use): New.  Return a phi arg index for a use.
	* tree-flow.h (struct dataflow_d): Delete.
	(immediate_use_iterator_d): New.  Immediate use iterator struct.
	(FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
	(FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
	(BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
	iteration.
	(struct stmt_ann_d): Remove dataflow_t from struct.
	* tree-if-conv.c (tree_if_conversion).  Don't call free_df.
	(if_convertible_phi_p): Use FAST immuse iterator.
	(if_convertible_loop_p): Don't call compute_immediate_uses.
	(replace_phi_with_cond_modify_expr): Call update_stmt.
	* tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
	update_stmt_if_modified.
	(rewrite_all_into_ssa): Initialize ssa operands.
	* tree-loop-linear.c (linear_transform_loops): Don't call free_df or
	compute_immediate_uses.
	* tree-optimize.c (execute_todo): Call verify_ssa whenever the
	ssa_property is available.
	(execute_one_pass):  Change parameters passed to execute_todo.
	* tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
	(remove_ssa_form): Call fini_ssa_operands.
	(insert_backedge_copies): Delete call to modify_stmt.
	* tree-phinodes.c (make_phi_node): Initialize use nodes.
	(release_phi_node): Delink any use nodes before releasing.
	(resize_phi_node): Relink any use nodes.
	(remove_phi_arg_num): Delink the use node.
	(remove_phi_node): Release the ssa_name AFTER releasing the phi node.
	(remove_all_phi_nodes_for): Release phi node first.
	* tree-pretty-print.c (dump_generic_node): Print stmt address.
	* tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
	(scalarize_use, scalarize_copy): Call update_stmt.
	* tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
	(compute_points_to_and_addr_escape): Call mark_stmt_modified.
	* tree-ssa-cpp.c (need_imm_uses_for): Delete.
	(ccp_initialize): Remove call to compute_immediate_uses.
	(substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
	stmts.
	(simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
	(simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
	(eliminate_redundant_computations): Call mark_stmt_modified.
	(cprop_operand): Call mark_stmt_modified.
	(optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
	* tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
	(dse_optimize_stmt): Use new immuse interface.
	(tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
	* tree-ssa-forwprop.c (need_imm_uses_for): Delete.
	(substitute_single_use_vars): Use new immuse interface.
	(tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
	and compute_immediate_uses.
	* tree-ssa-loop-im.c (single_reachable_address): Use new immuse
	interface.
	(rewrite_mem_refs): Call update_stmt.
	(determine_lsm): Remove call to compute_imm_uses and free_df.
	* tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
	(try_unroll_loop_completely): Call update_stmt.
	* tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
	(rewrite_use_compare): Call update_stmt.
	(compute_phi_arg_on_exit): Insert each stmt before trying to process.
	(rewrite_use) : Call update_stmt.
	* tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
	* tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
	update_stmt.
	* tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
	(allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
	(free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
	use nodes.
	(initialize_vuse_operand): New.  Initialize a vuse operand.
	(initialize_v_may_def_operand): New.  Initialize a maydef operand.
	(initialize_v_must_def_operand): New.  Initialize a mustdef operand.
	(finalize_ssa_defs): Use stmt parameter.
	(correct_use_link): Ensure a use node is in the correct list, and has
	the correct stmt pointer.
	(finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
	finalize_ssa_v_must_defs): Also initialize use nodes.
	(finalize_ssa_stmt_operands): Pass extra stmt operands.
	(build_ssa_operands): Seperate parsing from final operand construction.
	(parse_ssa_operands): New.  Parse entry point for operand building.
	(swap_tree_operands): New.  Swap 2 tree operands.
	(update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
	operands.
	(get_expr_operands): Call swap_tree_operands when needed.
	(copy_virtual_operands): Use initialize routines for virtual use ops.
	(create_ssa_artficial_load_stmt): Add extra stmt parameter.
	(verify_abort): New.  Issue imm_use error.
	(verify_imm_links): New Verify imm_use links for a var.
	(dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
	(dump_immediate_uses): New.  Dump imm_uses for all vars to file.
	(debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
	(debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
	* tree-ssa-operands.h (struct use_operand_ptr): Delete.
	(NULL_USE_OPERAND_P) Define.
	(use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
	use node.
	(struct vuse_operand_type): New struct.
	(SET_USE): Call set_ssa_use_from_ptr.
	(USE_STMT): Define.
	(PHI_ARG_INDEX_FROM_USE): Define.
	* tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
	argument via SET_USE, not PHI_ARG_DEF_TREE.
	* tree-ssa-pre.c (eliminate): Call update_stmt.
	* tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
	call free_df.
	* tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
	(nearest_common_dominator_of_uses): Use imm_use iterator.
	(statement_sink_location): Use imm_use iterator and interface.
	(execute_sink_code): Don't call compute_immediate_uses or free-df.
	* tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
	PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
	* tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
	(verify_ssa): Ensure no stmt is marked modify after optimization pass
	if new parameter is true.
	(init_tree_ssa): Don't initialize operand cache here.
	(delete_tree_ssa): Don't destroy operand cache here.
	(propagate_into_addr): Pass in a use pointer, return true if anything
	was changed.
	(replace_immediate_uses): Use imm_use iterator, call update_stmt.
	(check_phi_redundancy): Use imm_use iterator.
	(kill_redundant_phi_nodes): Don't call compute_immediate_uses or
	free_df.
	* tree-ssanames.c (make_ssa_name): Initialize imm_use node.
	(release_ssa_name): Delink node and all elements in its imm_use list.
	* tree-tailcall.c (adjust_return_value): Call update_stmt.
	* tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
	* tree-vectorizer.c (need_imm_uses_for): Delete.
	(vectorize_loops): Dont call compute_immediate_uses or free_df.
	* tree.h (struct ssa_imm_use_d): Define.
	(SSA_NAME_IMM_USE_NODE): Define.
	(struct tree_ssa_name): Add imm_use node.
	(PHI_DF): Delete.
	(PHI_ARG_IMM_USE_NODE): Define.
	(struct phi_arg_d): Add imm_use node.
	(struct tree_phi_node): Remove struct dataflow_d element.
	(TDF_STMTADDR): Define.

From-SVN: r97648
2005-04-05 19:05:20 +00:00
Kazu Hirata
aabcd30904 cgraphunit.c, [...]: Fix comment typos.
* cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
	lambda-code.c, loop.c, machmode.def, mips-tfile.c,
	modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
	tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
	config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
	config/i386/i386.md, config/rs6000/predicates.md,
	config/rs6000/rs6000.c, config/s390/fixdfdi.h,
	config/s390/s390.c, config/stormy16/stormy16.c,
	config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
	typos.

From-SVN: r97362
2005-04-01 03:42:55 +00:00
Kazu Hirata
30a6aaedd7 lambda-code.c (lambda_compute_auxillary_space): Remove local variable determinant.
* lambda-code.c (lambda_compute_auxillary_space): Remove local
	variable determinant.

From-SVN: r96373
2005-03-13 15:54:15 +00:00
Zdenek Dvorak
c5cbcccf90 basic-block.h (single_succ_p, [...]): New inline functions.
* basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
	single_pred_edge, single_succ, single_pred): New inline functions.
	* bb-reorder.c (rotate_loop, find_traces_1_round,
	add_labels_and_missing_jumps, fix_up_fall_thru_edges,
	duplicate_computed_gotos): Use the single_succ/pred functions.
	* cfganal.c (forwarder_block_p): Ditto.
	* cfgbuild.c (compute_outgoing_frequencies): Ditto.
	* cfgcleanup.c (try_simplify_condjump, try_forward_edges,
	outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
	merge_seq_blocks): Ditto.
	* cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
	* cfglayout.c (fixup_reorder_chain): Ditto.
	* cfgloop.c (mark_single_exit_loops, update_latch_info,
	canonicalize_loop_headers, verify_loop_structure): Ditto.
	* cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
	mfb_update_loops, create_preheader, force_single_succ_latches,
	create_loop_notes): Ditto.
	* cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
	force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
	commit_one_edge_insertion, purge_dead_edges,
	cfg_layout_can_merge_blocks_p): Ditto.
	* except.c (sjlj_emit_function_enter): Ditto.
	* flow.c (init_propagate_block_info): Ditto.
	* function.c (thread_prologue_and_epilogue_insns): Ditto.
	* gcse.c (find_implicit_sets, bypass_conditional_jumps,
	insert_insn_end_bb): Ditto.
	* ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
	find_if_case_2): Ditto.
	* lambda-code.c (perfect_nestify): Ditto.
	* lcm.c (optimize_mode_switching): Ditto.
	* loop-doloop.c (doloop_modify): Ditto.
	* loop-init.c (loop_optimizer_init): Ditto.
	* loop-iv.c (simplify_using_initial_values): Ditto.
	* loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
	* loop-unswitch.c (unswitch_loop): Ditto.
	* modulo-sched.c (generate_prolog_epilog): Ditto.
	* predict.c (combine_predictions_for_insn, estimate_probability,
	tree_estimate_probability, last_basic_block_p,
	estimate_bb_frequencies): Ditto.
	* profile.c (branch_prob): Ditto.
	* regrename.c (copyprop_hardreg_forward): Ditto.
	* sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
	* tracer.c (layout_superblocks): Ditto.
	* tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
	cfg_remove_useless_stmts_bb, cleanup_control_flow,
	cleanup_control_expr_graph, disband_implicit_edges,
	tree_find_edge_insert_loc, bsi_commit_edge_inserts,
	tree_verify_flow_info, tree_make_forwarder_block,
	tree_forwarder_block_p, remove_forwarder_block,
	remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
	* tree-if-conv.c (tree_if_conversion): Ditto.
	* tree-mudflap.c (mf_build_check_statement_for): Ditto.
	* tree-ssa-dce.c (remove_dead_stmt): Ditto.
	* tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
	* tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
	copy_loop_headers): Ditto.
	* tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
	* tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
	* tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
	lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
	* tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
	* tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
	* tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
	* tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
	* tree-ssa-threadupdate.c (redirect_edges): Ditto.
	* tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
	eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
	* tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
	* tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
	* tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
	slpeel_add_loop_guard): Ditto.

From-SVN: r96292
2005-03-11 09:05:12 +00:00
Kazu Hirata
d19e3ef696 tree-phinodes.c (remove_phi_node): Drop the last argument.
* tree-phinodes.c (remove_phi_node): Drop the last argument.
	* tree-flow.h: Adjust the prototype for remove_phi_node.
	* lambda-code.c (perfect_nestify): Adjust a call to
	remove_phi_node.
	* tree-cfg.c
	(remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
	* tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
	Likewise.
	* tree-ssa-dce.c (remove_dead_phis): Likewise.
	* tree-ssa-loop-ivopts.c (remove_statement): Likewise.
	* tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
	* tree-ssa.c (kill_redundant_phi_nodes): Likewise.

From-SVN: r95932
2005-03-05 15:29:25 +00:00
Zdenek Dvorak
70388d9433 cfgloop.c (flow_loop_entry_edges_find, [...]): Removed.
* cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
	flow_loop_pre_header_scan, flow_loop_pre_header_find,
	flow_loop_scan): Removed.
	(flow_loop_dump): Do not dump removed fields.
	(flow_loop_free): Do not free removed fields.
	(flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
	(loop_exit_edge_p): New function.
	* cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
	num_pre_header_edges, entry_edges, num_entries, exit_edges,
	num_exits, exits_doms.
	(LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
	LOOP_EDGES, LOOP_ALL): Removed.
	(flow_loop_scan): Declaration removed.
	(loop_exit_edge_p, mark_loop_exit_edges): Declare.
	* cfgloopmanip.c (create_loop_notes): Do not pass flags to
	flow_loops_find.
	* ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
	(if_convert): Call flow_loops_find and flow_loops_free
	when calling mark_loop_exit_edges.
	* cfgloopanal.c (mark_loop_exit_edges): Moved from
	ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
	free_dominance_info calls.
	* loop-init.c (flow_loops_find): Ditto.
	* passes.c (rest_of_handle_branch_prob): Ditto.
	* lambda-code.c (perfect_nestify): Do not call flow_loops_find.
	* loop-unroll.c (analyze_insns_in_loop): Do not use
	EDGE_LOOP_EXIT.
	* predict.c (predict_loops): Do not call flow_loop_scan.
	Use get_loop_exit_edges.
	(tree_estimate_probability): Do not pass flags to flow_loops_find.
	* tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
	Do not use EDGE_LOOP_EXIT.
	(tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
	to bb_with_exit_edge_p.
	(if_convertible_loop_p): Do not call flow_loop_scan.  Use
	loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
	to bb_with_exit_edge_p.
	(combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
	EDGE_LOOP_EXIT.
	* tree-loop-linear.c (linear_transform_loops): Do not call
	flow_loop_scan.  Use loop->single_exit.
	* tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
	(vect_analyze_loop_form): Do not call flow_loop_scan.
	* tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
	loop->single_exit.
	(vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
	loop->single_exit.
	* tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
	slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
	slpeel_tree_duplicate_loop_to_edge_cfg,
	slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
	Use loop_preheader_edge and loop->single_exit.  Do not call
	flow_loop_scan.

From-SVN: r95738
2005-03-01 13:44:46 +00:00
Daniel Berlin
eae600b906 lambda-code (perfect_nestify): Remove mark/unmark for rewriting hack.
2005-02-17  Daniel Berlin  <dberlin@dberlin.org>

	* lambda-code (perfect_nestify): Remove mark/unmark
	for rewriting hack.
	* tree-loop-linear.c (linear_transform_loops): Add
	rewrite_into_ssa call so that ssa is correct for
	rewriting into loop closed.

From-SVN: r95173
2005-02-17 16:29:56 +00:00
Kazu Hirata
6a6305e4a1 bitmap.c, [...]: Update copyright.
* bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
	tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
	config/mips/mips.md, config/rs6000/aix.h,
	config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.

From-SVN: r95064
2005-02-15 15:53:52 +00:00
Sebastian Pop
92d2b330de lambda-code.c (lambda_loopnest_to_gcc_loopnest, [...]): Use standard_iv_increment_position for computing the bsi position for create_iv.
* lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
	Use standard_iv_increment_position for computing the bsi position
	for create_iv.
	* tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
	the bsi position.

From-SVN: r95013
2005-02-14 14:54:37 +00:00
Daniel Berlin
903a33c949 lambda-code.c (can_convert_to_perfect_nest): Make checking match up with what perfect_nestify can actually handle.
2004-12-18  Daniel Berlin  <dberlin@dberlin.org>

        * lambda-code.c (can_convert_to_perfect_nest): Make checking
	match up with what perfect_nestify can actually handle.
	(perfect_nestify): Don't return false in the phi node loop.

From-SVN: r92381
2004-12-19 19:00:35 +00:00
Kazu Hirata
d2e398dfc8 tree-phinodes.c (add_phi_arg): Take "tree" instead of "tree *" as the first argument.
* tree-phinodes.c (add_phi_arg): Take "tree" instead of
	"tree *" as the first argument.
	* tree-flow.h: Update the prototype of add_phi_arg.
	* lambda-code.c, tree-cfg.c, tree-into-ssa.c,
	tree-ssa-loop-ivopts.c, tree-ssa-loop-manip.c, tree-ssa-pre.c,
	tree-ssa-threadupdate.c, tree-ssa.c, tree-tailcall.c,
	tree-vectorizer.c: Update all call sites of add_phi_arg.

From-SVN: r91307
2004-11-25 22:31:09 +00:00
Daniel Berlin
13cf683781 lambda-code.c (lambda_loopnest_to_gcc_loopnest): Swap the test when the edge has the opposite meaning...
2004-11-16  Daniel Berlin  <dberlin@dberlin.org>

	* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Swap
	the test when the edge has the opposite meaning, not when
	the first argument is invariant.

From-SVN: r90788
2004-11-17 02:51:55 +00:00
Kazu Hirata
8e731e4e6c tree-cfg.c (bsi_commit_edge_inserts): Remove an argument.
* tree-cfg.c (bsi_commit_edge_inserts): Remove an argument.
	(tree_flow_call_edges_add): Update the call to
	bsi_commit_edge_inserts.
	* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
	* profile.c (branch_prob): Likewise.
	* tree-mudflap.c (mf_decl_cache_locals): Likewise.
	* tree-sra.c (scalarize_function): Likewise.
	* tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
	* tree-ssa-pre.c (fini_pre): Likewise.
	* tree-flow.h: Update the prototype for
	bsi_commit_edge_inserts.

From-SVN: r90704
2004-11-16 00:08:04 +00:00
Kazu Hirata
1f83835576 c-cppbuiltin.c, [...]: Fix comment typos.
* c-cppbuiltin.c, cgraph.c, domwalk.h, except.c, gimplify.c,
	lambda-code.c, postreload.c, predict.c, tree-sra.c,
	tree-ssa-loop-manip.c, tree.c: Fix comment typos.

From-SVN: r90596
2004-11-13 21:11:04 +00:00
Daniel Berlin
c4bda9f0cf lambda-code.c (lambda_compute_auxillary_space): Update comments.
2004-11-02  Daniel Berlin  <dberlin@dberlin.org>

	* lambda-code.c (lambda_compute_auxillary_space): Update comments.
	(lambda_compute_target_space). Ditto.
	* lambda.h (lambda_trans_matrix): Ditto.
	(lambda_linear_expression): Ditto.
	(lambda_body_vector): Ditto.
	(lambda_loopnest): Ditto.
	* tree-loop-linear.c (gather_interchange_stats): Combine tests,
	update comments, and remove pointless addition of 0.
	(linear_transform_loops): Update comments.

From-SVN: r90029
2004-11-03 17:32:34 +00:00
Daniel Berlin
464f49d80d Fix PR tree-optimization/17672 Fix PR tree-optimization/18168
2004-10-16  Daniel Berlin  <dberlin@dberlin.org>

	Fix PR tree-optimization/17672
	Fix PR tree-optimization/18168

	* lambda-code.c (lambda_lattice_compute_base): Fix reversed
	assert test.
	(gcc_tree_to_linear_expression): Add extra to existing constant.
	(depth_of_nest): Factor out function used in various places.
	(gcc_loop_to_lambda_loop): Clean up code a little bit. No
	functional changes.
	(find_induction_var_from_exit_cond): Stop guessing, and just
	get the right answer :).
	(gcc_loopnest_to_lambda_loopnest): Remove useless pre-allocation.
	Print out message about result of attempt to create perfect nest.
	(lbv_to_gcc_expression): Add type argument, use it to do math
	and induction variable creation.
	(lle_to_gcc_expression): Ditto.
	(lambda_loopnest_to_gcc_loopnest): Create new iv with same type as
	oldiv. Pass type argument to lle_to_gcc_expression and
	lbv_to_gcc_expression.
	Reset number of iterations after transformation.
	(perfect_nestify): Remove useless pre-allocation, and cleanup
	a small amount.

	* tree-data-ref.c (build_classic_dist_vector): Return false for
	dependences completely outside of the loop nest we asked about.
	(build_classic_dir_vector): Ditto.
	(compute_data_dependences_for_loop): Only add dependence relations
	inside the loop we asked about.

	* tree-loop-linear.c (linear_transform_loops): Use DDR_SIZE_VECT.
	Compute immediate uses.

	* tree-optimize.c: Move linear_transform_loops to before ivcanon.

From-SVN: r89945
2004-11-01 18:08:02 +00:00
Kazu Hirata
7188204628 lambda-code.c (nestify_update_pending_stmts): Remove.
* lambda-code.c (nestify_update_pending_stmts): Remove.
	(perfect_nestify): Use flush_pending_stmts instead of
	nestify_update_pending_stmts.
	* tree-cfg.c (tree_make_forwarder_block): Use
	flush_pending_stmts.
	* tree-flow.h: Add a prototype for flush_pending_stmts.
	* tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge):
	Use flush_pending_stmts.
	(lv_update_pending_stmts): Remove.
	(tree_ssa_loop_version): Use flush_pending_stmts instead of
	lv_update_pending_stmts.
	* tree-ssa.c (flush_pending_stmts): New.

From-SVN: r89757
2004-10-28 13:31:53 +00:00
Kazu Hirata
471854f82a alias.c, [...]: Fix comment formatting.
* alias.c, basic-block.h, cgraphunit.c, combine.c, domwalk.h,
	final.c, gengtype.c, genpreds.c, ggc-page.c, insn-notes.def,
	lambda-code.c, loop-unroll.c, modulo-sched.c, pointer-set.c,
	pretty-print.c, ra-colorize.c, sbitmap.c, tree-complex.c,
	tree-data-ref.c, tree-dfa.c, tree-inline.c, tree-into-ssa.c,
	tree-scalar-evolution.c, tree-ssa-dom.c,
	tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
	tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-threadupdate.c,
	tree-vectorizer.c, vec.h: Fix comment formatting.

From-SVN: r89453
2004-10-22 17:05:11 +00:00
Diego Novillo
1a1804c270 tree-cfg.c (bsi_for_stmt): Rename from stmt_for_bsi.
* tree-cfg.c (bsi_for_stmt): Rename from stmt_for_bsi.
	Update all callers.
	* tree-ssa.c (replace_immediate_uses): Call bsi_for_stmt.
	Don't call fold_stmt more than once, use bsi_replace.

From-SVN: r89234
2004-10-18 14:01:10 -04:00
Daniel Berlin
feb075f482 lambda-code.c (lambda_loopnest_to_gcc_loopnest): Convert to use FOR_EACH_SSA_USE_OPERAND iterator, and propagate_value.
2004-10-06  Daniel Berlin  <dberlin@dberlin.org>

	* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Convert
	to use FOR_EACH_SSA_USE_OPERAND iterator, and propagate_value.

2004-10-06  Daniel Berlin  <dberlin@dberlin.org>

	* lambda-code.c (compute_nest_using_fourier_motzkin): New
	function.
	(lambda_compute_auxillary_space): Split from here.

2004-10-06  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-loop-ivopts.c (expr_invariant_in_loop): Make non-static.
	* tree-flow.h: Add prototype.
	* lambda-code.c (invariant_in_loop_and_outer_loops): Use
	expr_invariant_in_loop.

From-SVN: r88622
2004-10-06 19:40:54 +00:00
Ben Elliston
628f6a4e7c backport: basic-block.h: Include vec.h, errors.h.
2004-09-24  Ben Elliston  <bje@au.ibm.com>
	    Steven Bosscher  <stevenb@suse.de>
	    Andrew Pinski  <pinskia@physics.uc.edu>

	Merge from edge-vector-branch:
	* basic-block.h: Include vec.h, errors.h. Instantiate a VEC(edge).
	(struct edge_def): Remove pred_next, succ_next members.
	(struct basic_block_def): Remove pred, succ members.  Add preds
	and succs members of type VEC(edge).
	(FALLTHRU_EDGE): Redefine using EDGE_SUCC.
	(BRANCH_EDGE): Likewise.
	(EDGE_CRITICAL_P): Redefine using EDGE_COUNT.
	(EDGE_COUNT, EDGE_I, EDGE_PRED, EDGE_SUCC): New.
	(edge_iterator): New.
	(ei_start, ei_last, ei_end_p, ei_one_before_end_p): New.
	(ei_next, ei_prev, ei_edge, ei_safe_edge): Likewise.
	(FOR_EACH_EDGE): New.
	* bb-reorder.c (find_traces): Use FOR_EACH_EDGE and EDGE_* macros
	where applicable.
	(rotate_loop): Likewise.
	(find_traces_1_route): Likewise.
	(bb_to_key): Likewise.
	(connect_traces): Likewise.
	(copy_bb_p): Likewise.
	(find_rarely_executed_basic_blocks_and_crossing_edges): Likewise.
	(add_labels_and_missing_jumps): Likewise.
	(fix_up_fall_thru_edges): Likewise.
	(find_jump_block): Likewise.
	(fix_crossing_conditional_branches): Likewise.
	(fix_crossing_unconditional_branches): Likewise.
	(add_reg_crossing_jump_notes): Likewise.
	* bt-load.c (augment_live_range): Likewise.
	* cfg.c (clear_edges): Likewise.
	(unchecked_make_edge): Likewise.
	(cached_make_edge): Likewise.
	(make_single_succ_edge): Likewise.
	(remove_edge): Likewise.
	(redirect_edge_succ_nodup): Likewise.
	(check_bb_profile): Likewise.
	(dump_flow_info): Likewise.
	(alloc_aux_for_edges): Likewise.
	(clear_aux_for_edges): Likewise.
	(dump_cfg_bb_info): Likewise.
	* cfganal.c (forwarder_block_p): Likewise.
	(can_fallthru): Likewise.
	(could_fall_through): Likewise.
	(mark_dfs_back_edges): Likewise.
	(set_edge_can_fallthru_flag): Likewise.
	(find_unreachable_blocks): Likewise.
	(create_edge_list): Likewise.
	(verify_edge_list): Likewise.
	(add_noreturn_fake_exit_edges): Likewise.
	(connect_infinite_loops_to_exit): Likewise.
	(flow_reverse_top_sort_order_compute): Likewise.
	(flow_depth_first_order_compute): Likewise.
	(flow_preorder_transversal_compute): Likewise.
	(flow_dfs_compute_reverse_execute): Likewise.
	(dfs_enumerate_from): Likewise.
	(compute_dominance_frontiers_1): Likewise.
	* cfgbuild.c (make_edges): Likewise.
	(compute_outgoing_frequencies): Likewise.
	(find_many_sub_basic_blocks): Likewise.
	(find_sub_basic_blocks): Likewise.
	* cfgcleanup.c (try_simplify_condjump): Likewise.
	(thread_jump): Likewise.
	(try_forward_edges): Likewise.
	(merge_blocks_move): Likewise.
	(outgoing_edges_match): Likewise.
	(try_crossjump_to_edge): Likewise.
	(try_crossjump_bb): Likewise.
	(try_optimize_cfg): Likewise.
	(merge_seq_blocks): Likewise.
	* cfgexpand.c (expand_gimple_tailcall): Likewise.
	(expand_gimple_basic_block): Likewise.
	(construct_init_block): Likewise.
	(construct_exit_block): Likewise.
	* cfghooks.c (verify_flow_info): Likewise.
	(dump_bb): Likewise.
	(delete_basic_block): Likewise.
	(split_edge): Likewise.
	(merge_blocks): Likewise.
	(make_forwarder_block): Likewise.
	(tidy_fallthru_edges): Likewise.
	(can_duplicate_block_p): Likewise.
	(duplicate_block): Likewise.
	* cfglayout.c (fixup_reorder_chain): Likewise.
	(fixup_fallthru_exit_predecessor): Likewise.
	(can_copy_bbs_p): Likewise.
	(copy_bbs): Likewise.
	* cfgloop.c (flow_loops_cfg_dump): Likewise.
	(flow_loop_entry_edges_find): Likewise.
	(flow_loop_exit_edges_find): Likewise.
	(flow_loop_nodes_find): Likewise.
	(mark_single_exit_loops): Likewise.
	(flow_loop_pre_header_scan): Likewise.
	(flow_loop_pre_header_find): Likewise.
	(update_latch_info): Likewise.
	(canonicalize_loop_headers): Likewise.
	(flow_loops_find): Likewise.
	(get_loop_body_in_bfs_order): Likewise.
	(get_loop_exit_edges): Likewise.
	(num_loop_branches): Likewise.
	(verify_loop_structure): Likewise.
	(loop_latch_edge): Likewise.
	(loop_preheader_edge): Likewise.
	* cfgloopanal.c (mark_irreducible_loops): Likewise.
	(expected_loop_iterations): Likewise.
	* cfgloopmanip.c (remove_bbs): Likewise.
	(fix_bb_placement): Likewise.
	(fix_irreducible_loops): Likewise.
	(remove_path): Likewise.
	(scale_bbs_frequencies): Likewise.
	(loopify): Likewise.
	(unloop): Likewise.
	(fix_loop_placement): Likewise.
	(loop_delete_branch_edge): Likewise.
	(duplicate_loop_to_header_edge): Likewise.
	(mfb_keep_just): Likewise.
	(create_preheader): Likewise.
	(force_single_succ_latches): Likewise.
	(loop_split_edge_with): Likewise.
	(create_loop_notes): Likewise.
	* cfgrtl.c (rtl_split_block): Likewise.
	(rtl_merge_blocks): Likewise.
	(rtl_can_merge_blocks): Likewise.
	(try_redirect_by_replacing_jump): Likewise.
	(force_nonfallthru_and_redirect): Likewise.
	(rtl_tidy_fallthru_edge): Likewise.
	(commit_one_edge_insertion): Likewise.
	(commit_edge_insertions): Likewise.
	(commit_edge_insertions_watch_calls): Likewise.
	(rtl_verify_flow_info_1): Likewise.
	(rtl_verify_flow_info): Likewise.
	(purge_dead_edges): Likewise.
	(cfg_layout_redirect_edge_and_branch): Likewise.
	(cfg_layout_can_merge_blocks_p): Likewise.
	(rtl_flow_call_edges_add): Likewise.
	* cse.c (cse_cc_succs): Likewise.
	* df.c (hybrid_search): Likewise.
	* dominance.c (calc_dfs_tree_nonrec): Likewise.
	(calc_dfs_tree): Likewise.
	(calc_idoms): Likewise.
	(recount_dominator): Likewise.
	* domwalk.c (walk_dominator_tree): Likewise.
	* except.c (emit_to_new_bb_before): Likewise.
	(connect_post_landing_pads): Likewise.
	(sjlj_emit_function_enter): Likewise.
	(sjlj_emit_function_exit): Likewise.
	(finish_eh_generation): Likewise.
	* final.c (compute_alignments): Likewise.
	* flow.c (calculate_global_regs_live): Likewise.
	(initialize_uninitialized_subregs): Likewise.
	(init_propagate_block_info): Likewise.
	* function.c (thread_prologue_and_epilogue_insns): Likewise.
	* gcse.c (find_implicit_sets): Likewise.
	(bypass_block): Likewise.
	(bypass_conditional_jumps): Likewise.
	(compute_pre_data): Likewise.
	(insert_insn_end_bb): Likewise.
	(insert_store): Likewise.
	(remove_reachable_equiv_notes): Likewise.
	* global.c (global_conflicts): Likewise.
	(calculate_reg_pav): Likewise.
	* graph.c (print_rtl_graph_with_bb): Likewise.
	* ifcvt.c (mark_loop_exit_edges): Likewise.
	(merge_if_block): Likewise.
	(find_if_header): Likewise.
	(block_jumps_and_fallthru_p): Likewise.
	(find_if_block): Likewise.
	(find_cond_trap): Likewise.
	(block_has_only_trap): Likewise.
	(find_if_case1): Likewise.
	(find_if_case_2): Likewise.
	* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
	(perfect_nestify): Likewise.
	* lcm.c (compute_antinout_edge): Likewise.
	(compute_laterin): Likewise.
	(compute_available): Likewise.
	(compute_nearerout): Likewise.
	* loop-doloop.c (doloop_modify): Likewise.
	* loop-init.c (loop_optimizer_init): Likewise.
	* loop-invariant.c (find_exits): Likewise.
	* loop-iv.c (simplify_using_initial_values): Likewise.
	(check_simple_exit): Likewise.
	(find_simple_exit): Likewise.
	* loop-unroll.c (peel_loop_completely): Likewise.
	(unroll_loop_constant_iterations): Likewise.
	(unroll_loop_runtime_iterations): Likewise.
	* loop-unswitch.c (may_unswitch_on): Likewise.
	(unswitch_loop): Likewise.
	* modulo-sched.c (generate_prolog_epilog): Likewise.
	(sms_schedule): Likewise.
	* postreload-gcse.c (eliminate_partially_redundant_load):
	Likewise.
	* predict.c (can_predict_insn_p): Likewise.
	(set_even_probabilities): Likewise.
	(combine_predictions_for_bb): Likewise.
	(predict_loops): Likewise.
	(estimate_probability): Likewise.
	(tree_predict_by_opcode): Likewise.
	(tree_estimate_probability): Likewise.
	(last_basic_block_p): Likewise.
	(propagate_freq): Likewise.
	(estimate_loops_at_level): Likewise.
	(estimate_bb_frequencies): Likewise.
	* profile.c (instrument_edges): Likewise.
	(get_exec_counts): Likewise.
	(compute_branch_probabilities): Likewise.
	(branch_prob): Likewise.
	* ra-build.c (live_in): Likewise.
	* ra-rewrite.c (rewrite_program2): Likewise.
	* ra.c (reg_alloc): Likewise.
	* reg-stack.c (reg_to_stack): Likewise.
	(convert_regs_entry): Likewise.
	(compensate_edge): Likewise.
	(convert_regs_1): Likewise,
	(convert_regs_2): Likewise.
	(convert_regs): Likewise.
	* regrename.c (copyprop_hardreg_forward): Likewise.
	* reload1.c (fixup_abnormal_edges): Likewise.
	* sbitmap.c (sbitmap_intersection_of_succs): Likewise.
	(sbitmap_insersection_of_preds): Likewise.
	(sbitmap_union_of_succs): Likewise.
	(sbitmap_union_of_preds): Likewise.
	* sched-ebb.c (compute_jump_reg_dependencies): Likewise.
	(fix_basic_block_boundaries): Likewise.
	(sched_ebbs): Likewise.
	* sched-rgn.c (build_control_flow): Likewise.
	(find_rgns): Likewise.
	* tracer.c (find_best_successor): Likewise.
	(find_best_predecessor): Likewise.
	(tail_duplicate): Likewise.
	* tree-cfg.c (make_edges): Likewise.
	(make_ctrl_stmt_edges): Likewise.
	(make_goto_expr_edges): Likewise.
	(tree_can_merge_blocks_p): Likewise.
	(tree_merge_blocks): Likewise.
	(cfg_remove_useless_stmts_bb): Likewise.
	(remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
	(tree_block_forwards_to): Likewise.
	(cleanup_control_expr_graph): Likewise.
	(find_taken_edge): Likewise.
	(dump_cfg_stats): Likewise.
	(tree_cfg2vcg): Likewise.
	(disband_implicit_edges): Likewise.
	(tree_find_edge_insert_loc): Likewise.
	(bsi_commit_edge_inserts): Likewise.
	(tree_split_edge): Likewise.
	(tree_verify_flow_info): Likewise.
	(tree_make_forwarder_block): Likewise.
	(tree_forwarder_block_p): Likewise.
	(thread_jumps): Likewise.
	(tree_try_redirect_by_replacing_jump): Likewise.
	(tree_split_block): Likewise.
	(add_phi_args_after_copy_bb): Likewise.
	(rewrite_to_new_ssa_names_bb): Likewise.
	(dump_function_to_file): Likewise.
	(print_pred_bbs): Likewise.
	(print_loop): Likewise.
	(tree_flow_call_edges_add): Likewise.
	(split_critical_edges): Likewise.
	(execute_warn_function_return): Likewise.
	(extract_true_false_edges_from_block): Likewise.
	* tree-if-conv.c (tree_if_conversion): Likewise.
	(if_convertable_bb_p): Likewise.
	(find_phi_replacement_condition): Likewise.
	(combine_blocks): Likewise.
	* tree-into-ssa.c (compute_global_livein): Likewise.
	(ssa_mark_phi_uses): Likewise.
	(ssa_rewrite_initialize_block): Likewise.
	(rewrite_add_phi_arguments): Likewise.
	(ssa_rewrite_phi_arguments): Likewise.
	(insert_phi_nodes_for): Likewise.
	(rewrite_into_ssa): Likewise.
	(rewrite_ssa_into_ssa): Likewise.
	* tree-mudflap.c (mf_build_check_statement_for): Likewise.
	* tree-outof-ssa.c (coalesce_abnormal_edges): Likewise.
	(rewrite_trees): Likewise.
	* tree-pretty-print.c (dump_bb_header): Likewise.
	(dump_implicit_edges): Likewise.
	* tree-sra.c (insert_edge_copies): Likewise.
	(find_obviously_necessary_stmts): Likewise.
	(remove_data_stmt): Likewise.
	* tree-ssa-dom.c (thread_across_edge): Likewise.
	(dom_opt_finalize_block): Likewise.
	(single_incoming_edge_ignoring_loop_edges): Likewise.
	(record_equivalences_from_incoming_edges): Likewise.
	(cprop_into_successor_phis): Likewise.
	* tree-ssa-live.c (live_worklist): Likewise.
	(calculate_live_on_entry): Likewise.
	(calculate_live_on_exit): Likewise.
	* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
	(copy_loop_headers): Likewise.
	* tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
	(fill_always_executed_in): Likewise.
	* tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
	* tree-ssa-loop-ivopts.c (find_interesting_uses): Likewise.
	(compute_phi_arg_on_exit): Likewise.
	* tree-ssa-loop-manip.c (add_exit_phis_edge): Likewise.
	(get_loops_exit): Likewise.
	(split_loop_exit_edge): Likewise.
	(ip_normal_pos): Likewise.
	* tree-ssa-loop-niter.c (simplify_using_initial_conditions):
	Likewise.
	* tree-ssa-phiopt.c (candidate_bb_for_phi_optimization): Likewise.
	(replace_phi_with_stmt): Likewise.
	(value_replacement): Likewise.
	* tree-ssa-pre.c (compute_antic_aux): Likewise.
	(insert_aux): Likewise.
	(init_pre): Likewise.
	* tree-ssa-propagate.c (simulate_stmt): Likewise.
	(simulate_block): Likewise.
	(ssa_prop_init): Likewise.
	* tree-ssa-threadupdate.c (thread_block): Likewise.
	(create_block_for_threading): Likewise.
	(remove_last_stmt_and_useless_edges): Likewise.
	* tree-ssa.c (verify_phi_args): Likewise.
	(verify_ssa): Likewise.
	* tree_tailcall.c (independent_of_stmt_p): Likewise.
	(find_tail_calls): Likewise.
	(eliminate_tail_call): Likewise.
	(tree_optimize_tail_calls_1): Likewise.
	* tree-vectorizer.c (vect_transform_loop): Likewise.
	* var-tracking.c (prologue_stack_adjust): Likewise.
	(vt_stack_adjustments): Likewise.
	(vt_find_locations): Likewise.
	* config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
	* config/i386/i386.c (ix86_pad_returns): Likewise.
	* config/ia64/ia64.c (ia64_expand_prologue): Likewise.
	* config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.

Co-Authored-By: Andrew Pinski <pinskia@physics.uc.edu>
Co-Authored-By: Steven Bosscher <stevenb@suse.de>

From-SVN: r88222
2004-09-28 17:59:54 +10:00
Kazu Hirata
ea4b78487c c-typeck.c, [...]: Fix comment formatting.
* c-typeck.c, defaults.h, dwarf.h, dwarf2out.c, fold-const.c,
	gthr-dce.h, gthr-posix.h, gthr-solaris.h, gthr-win32.h,
	lambda-code.c, lambda-mat.c, libgcc2.c, stmt.c,
	tree-ssa-pre.c, tree-vn.c, tree.h: Fix comment formatting.

From-SVN: r88102
2004-09-25 14:36:40 +00:00
Kazu Hirata
454ff5cbf0 alias.c, [...]: Fix comment typos.
* alias.c, crtstuff.c, dbxout.c, domwalk.c, domwalk.h, gcc.c,
	gcse.c, global.c, lambda-code.c, loop.c, mips-tdump.c,
	optabs.h, predict.c, reg-stack.c, regclass.c, sched-rgn.c,
	tree-optimize.c, tree-ssa-dom.c, tree-ssa-forwprop.c,
	tree-ssa-operands.c, tree-ssa-phiopt.c,
	tree-ssa-threadupdate.c: Fix comment typos.

From-SVN: r87707
2004-09-18 19:47:10 +00:00
Jeffrey D. Oldham
6615c44615 alias.c (find_base_decl): Remove unreachable case '3' block.
2004-09-17  Jeffrey D. Oldham  <oldham@codesourcery.com>
	    Zack Weinberg  <zack@codesourcery.com>

	* alias.c (find_base_decl): Remove unreachable case '3' block.
	* expr.c (safe_from_p): Abort if passed a type.
	* tree-gimple.c (recalculate_side_effects): Abort if passed
	anything other than an expression.
	* tree-ssa-pre.c (phi_translate): Return expr immediately if
	is_gimple_min_invariant is true for it.  Reorder cases for clarity.
	Abort on un-handled tree classes.
	(valid_in_set): Likewise.
	* tree.c (tree_code_class_strings): New static data.

	* tree.h (enum tree_code_class): New.
	(tree_code_class_strings): Declare.
	(TREE_CODE_CLASS_STRING, EXCEPTIONAL_CLASS_P, CONSTANT_CLASS_P)
	(REFERENCE_CLASS_P, COMPARISON_CLASS_P, UNARY_CLASS_P, BINARY_CLASS_P)
	(STATEMENT_CLASS_P, EXPRESSION_CLASS_P, IS_TYPE_OR_DECL_P): New macros.
	(TYPE_P, DECL_P, IS_NON_TYPE_CODE_CLASS, IS_EXPR_CODE_CLASS)
	(checking macros, EXPR_LOCATION, SET_EXPR_LOCATION, EXPR_LOCUS): Update.

	* tree.def, c-common.def, objc/objc-tree.def: Use
	tree_code_class enumeration constants instead of code letters.

	* alias.c, builtins.c, c-common.c, c-format.c, c-lang.c, c-pragma.c
	* c-typeck.c, cgraphunit.c, convert.c, dbxout.c, dwarf2out.c
	* emit-rtl.c expr.c, fold-const.c, gimplify.c, lambda-code.c
	* langhooks.c, langhooks.h, predict.c, print-tree.c, reload1.c, stmt.c
	* tree-browser.c, tree-cfg.c, tree-chrec.c, tree-complex.c, tree-dfa.c
	* tree-dump.c, tree-eh.c, tree-gimple.c, tree-inline.c, tree-nested.c
	* tree-outof-ssa.c, tree-pretty-print.c, tree-sra.c, tree-ssa-ccp.c
	* tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-forwprop.c, tree-ssa-live.c
	* tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c
	* tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-propagate.c
	* tree-ssa.c, tree-ssanames.c, tree-tailcall.c, tree.c, varasm.c
	* config/sol2-c.c, config/arm/arm.c, config/i386/winnt.c
	* config/pa/pa.c, config/pa/pa.h, config/sh/sh.c, objc/objc-lang.c
	Update to match.

	* LANGUAGES: Add note about change.

ada:
	* ada-tree.def: Use tree_code_class enumeration constants
	instead of code letters.
	* ada-tree.h, decl.c, misc.c, trans.c, utils.c, utils2.c:
	Update for new tree-class enumeration constants.

cp:
	* cp-tree.def: Use tree_code_class enumeration constants
	instead of code letters.
	* call.c, class.c, cp-gimplify.c, cp-lang.c, cxx-pretty-print.c
	* mangle.c, pt.c, semantics.c, tree.c, typeck.c:
	Update for new tree-class enumeration constants.

fortran:
	* f95-lang.c, trans-expr.c, trans.c: Update for new tree-class
	enumeration constants.

java:
	* java-tree.def: Use tree_code_class enumeration constants
	instead of code letters.
	* java-gimplify.c, jcf-write.c, lang.c, parse.y: Update for
	new tree-class enumeration constants.

treelang:
	* treetree.c: Update for new tree-class enumeration constants.

From-SVN: r87675
2004-09-17 21:55:02 +00:00
Kazu Hirata
b01d837fa2 basic-block.h, [...]: Fix comment typos.
* basic-block.h, c-decl.c, c-parse.in, cgraphunit.c, ddg.c,
	gimplify.c, lambda-code.c, optabs.c, predict.c,
	tree-scalar-evolution.c, tree-sra.c, tree-ssa-loop-ch.c,
	tree-ssa.c, vec.h: Fix comment typos.  Follow spelling
	conventions.

From-SVN: r87637
2004-09-17 09:14:12 +00:00
Daniel Berlin
f67d92e937 [multiple changes]
2004-09-16  Daniel Berlin  <dberlin@dberlin.org>

	* cfgloop.h (duplicate_loop):  Add prototype.
	* cfgloopmanip.c (duplicate_loop): Make non-static.
	* lambda-code.c (perfect_nestify): Factor out test whether
	we can handle this loop into separate function.
	Call it.
	(can_convert_to_perfect_nest): New function.
	(replace_uses_of_x_with_y): Add modify_stmt call.
	* tree-loop-linear.c (linear_transform_loops): Call
	rewrite_into_loop_closed_ssa and free_df.

2004-09-16  Daniel Berlin  <dberlin@dberlin.org>

	* lambda-code.c (invariant_in_loop): is_gimple_min_invariant is
	loop invariant as well.
	(perfect_nestify): new function.
	(gcc_loop_to_lambda_loop): New parameters to track lower bounds,
	upper bounds, and steps.
	Set outerinductionvar properly.
	(gcc_loopnest_to_lambda_loopnest): Add loops and need_perfect
	parameters.
	Return NULL if we need a perfect loop and can't make one.
	(lambda_loopnest_to_gcc_loopnest): Correct algorithm.
	(not_interesting_stmt): New function.
	(phi_loop_edge_uses_def): Ditto.
	(stmt_uses_phi_result): Ditto.
	(stmt_is_bumper_for_loop): Ditto.
	(perfect_nest_p): Ditto.
	(nestify_update_pending_stmts): Ditto.
	(replace_uses_of_x_with_y): Ditto.
	(stmt_uses_op): Ditto.
	(perfect_nestify): Ditto.
	* lambda-mat.c (lambda_matrix_id_p): New function.
	* lambda-trans.c (lambda_trans_matrix_id_p): Ditto.
	* lambda.h: Update prototypes.
	* tree-loop-linear (linear_transform_loop): Use new
	perfect_nest_p. Detect and ignore identity transform.
	* tree-ssa-loop.c (pass_linear_transform): Use TODO_write_loop_closed.

2004-09-16  Sebastian Pop  <pop@cri.ensmp.fr>

	* tree-loop-linear.c (gather_interchange_stats): Add more comments.
	Gather also strides of accessed data.  Pass in the data references
	array.
	(try_interchange_loops): Add a new heuristic for handling the temporal
	locality.  Pass in the data references array.
	(linear_transform_loops): Pass the data references array to
	try_interchange_loops.

From-SVN: r87607
2004-09-16 16:16:14 +00:00