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* 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
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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
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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
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* 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
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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
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* 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
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* 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
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* 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
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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
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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
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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
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* 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
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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
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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
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* 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
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* 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
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* 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
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