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
* basic-block.h (update_bb_profile_after_threading): Declare.
* cfg.c (update_bb_profile_after_threading): Break out from ...
* cfgcleanup.c (try_forward_edges): ... here; use it.
* tree-ssa-dom.c (thread_across_edge): Use it.
* tree-ssa-threadupdate.c (create_block_for_threading): Zero out
profile of the new BB.
From-SVN: r87730
2004-09-19 Daniel Berlin <dberlin@dberlin.org>
* tree-ssa-pre.c (insert_into_set): Don't put
is_gimple_min_invariant values into the set.
From-SVN: r87725
* tree-ssa-dom.c (nonzero_vars_stack, vrp_variables_stack): New
global varrays to replace the block local varrays.
(struct dom_walk_block_data): Remove, no longer used.
(get_eq_expr_value): No longer need to pass around pointers to local
varrays. Callers updated. Unused markers added to unused parameters.
(record_range, record_equivalences_from_stmt): Likewise.
(record_equivalences_from_incoming_edge): Likewise.
(record_var_is_nonzero): Likewise. Update now that we have a
single global varray of SSA_NAMEs that need restoring.
(dom_opt_initialize_block_local_data): Kill, no longer used.
(tree_ssa_dominator_optimize): Initialize new global varrays.
Update callbacks in dominator walker structure.
(dom_opt_initialize_block): Add markers to NONZERO_VAR_STACK and
VRP_VARIABLES_STACK.
(restore_nonzero_vars_to_original_value): Update now that we have
a single global varray of SSA_NAMEs that need restoring.
(dom_opt_finalize_block): Similarly for VRP_VARIABLES_STACK.
Remove unused variables.
(optimize_stmt): Remove unused variable.
From-SVN: r87719
* directives.c (do_pragma): Save current buffer position
before lexing the pragma keywords; don't call
_cpp_backup_tokens in the defer_pragmas case.
From-SVN: r87687
* tree.c, tree.h (tree_class_strings): Make array const.
Reindent per coding convention. Move asterisk to proper place
per coding convention.
From-SVN: r87685
PR tree-optimization/17319
* tree-ssa-alias.c (compute_points_to_and_addr_escape): Also
examine pointers on the LHS of an assignment.
(collect_points_to_info_r): Handle RETURN_EXPR.
testsuite/ChangeLog
PR tree-optimization/17319
* gcc.dg/pr17319.c: New test.
From-SVN: r87673
* tree-ssa-dom.c (const_and_copies_stack): New.
(dom_walk_block_data): Remove const_and_copies field.
(record_const_or_copy): No longer need to pass in varray_type *.
Use CONST_AND_COPIES_STACK rather than passed in block local stack.
Callers updated.
(record_equality): Similarly.
(restore_vars_to_original_value): Similarly. Revamp to use new
single global stack rather than per-block stacks.
(tree_ssa_dominator_optimize): Initialize the CONST_AND_COPIES_STACK.
(thread_across_edge): Remove now unused parameters.
(dom_opt_initialize_block_local_data): No longer test the block
local CONST_AND_COPIES.
(dom_opt_initialize_block): Push a marker on CONST_AND_COPIES_STACK.
From-SVN: r87670
PR tree-optimization/17273
* tree-ssa.c (replace_immediate_uses): Call fold_stmt if the
replacement is a constant.
testsuite/ChangeLog
PR tree-optimization/17273
* gcc.c-torture/compile/pr17273.c: New test.
From-SVN: r87662
2004-09-17 Paolo Carlini <pcarlini@suse.de>
* include/bits/fstream.tcc (xsgetn): Slightly tweak conditional,
as per Nathan's original suggestion.
From-SVN: r87647
2004-09-17 James Morrison <phython@gcc.gnu.org>
* doc/cfg.texi: Use @smallexample.
* doc/md.texi: Likewise.
* doc/tree-ssa.texi: Likewise.
* doc/extend.texi: Likewise. Use @r{} in comments.
* doc/trouble.texi: Use @r{} in comments.
From-SVN: r87646
2004-09-17 Vincent Celier <celier@gnat.com>
* prj-attr-pm.ads, prj-attr-pm.adb: New files, to split some private
capabilities of the general project manager.
From-SVN: r87644
