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* toplev.c (warn_deprecated_use): Correct logic for saying "type"
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-09-10  Joseph S. Myers  <jsm@polyomino.org.uk>
2
3         * toplev.c (warn_deprecated_use): Correct logic for saying "type"
4         in diagnostic.  Don't dereference NULL TYPE_NAME.
5
6 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
7
8         * c-common.c, c-pch.c, defaults.h, lambda-code.c, passes.c,
9         tree-data-ref.c, tree-flow.h, tree-ssa-operands.c,
10         tree-ssa-threadupdate.c, tree-vectorizer.c, tree-vectorizer.h,
11         value-prof.c: Fix comment typos.  Follow spelling conventions.
12
13 2004-09-10  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
14
15         * unroll.c (unroll_loop, calculate_giv_inc, initial_reg_note_copy,
16         final_reg_note_copy, copy_loop_body, fold_rtx_mult_add,
17         final_giv_value, loop_iterations): Replace abort with gcc_assert and
18         gcc_unreachable.
19         * value-prof.c (rtl_find_values_to_profile,
20         rtl_register_value_prof_hooks, tree_find_values_to_profile,
21         tree_value_profile_transformations, tree_register_value_prof_hooks):
22         Likewise.
23         * varasm.c (named_section_flags, named_section, make_decl_rtl,
24         asm_emit_uninitialised, assemble_external, assemble_integer,
25         decode_addr_const, const_hash_1, compare_constant, copy_constant,
26         force_const_mem, output_constant_pool_2, output_constant_pool_1,
27         output_constant, output_constructor, supports_one_only,
28         make_decl_one_only, decl_tls_model, default_no_named_section,
29         default_elf_select_section_1, default_unique_section_1): Likewise.
30         * varray.c (varray_copy): Likewise.
31         * var-tracking.c (stack_adjust_offset_pre_post, variable_htab_free,
32         variable_union, dataflow_set_different_2, count_uses,
33         variable_was_changed, set_frame_base_location, set_variable_part,
34         emit_note_insn_var_location, vt_emit_notes,
35         vt_add_function_parameters): Likewise.
36         * vec.c (vec_gc_o_reserve): Likewise.
37         * vmsdbgout.c (addr_const_to_string): Likewise.
38
39 2004-09-10  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
40
41         * lambda-mat.c (lambda_matrix_inverse_hard): Use gcc_assert
42         and gcc_unreachable instead of abort.
43         * lambda.h (lambda_vector_min_nz): Likewise.
44         * langhooks.c lhd_set_decl_assembler_name, lhd_can_use_bit_fields_p,
45         lhd_incomplete_type_error, lhd_expand_expr, lhd_types_compatible_p,
46         lhd_gimplify_expr): Likewise.
47         * lcm.c (optimize_mode_switching): Likewise.
48         * local-alloc.c (update_equiv_regs, block_alloc, find_free_reg):
49         Likewise.
50         * loop-doloop.c (doloop_modify): Likewise.
51         * loop-invariant.c (record_use): Likewise.
52         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze, get_iv_value,
53         canon_condition, simplify_using_condition,
54         simplify_using_initial_values, shorten_into_mode,
55         canonicalize_iv_subregs, iv_number_of_iterations): Likewise.
56         * loop-unroll.c (unroll_and_peel_loops, peel_loop_completely,
57         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
58         peel_loop_simple, unroll_loop_stupid): Likewise.
59         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
60         unswitch_loop): Likewise.
61         * loop.c (gen_prefetch, loop_optimize, rtx_equal_for_loop_p,
62         move_movables, replace_call_address, find_and_verify_loops,
63         rtx_equal_for_prefetch_p, record_giv, general_induction_var,
64         simplify_giv_expr, check_ext_dependent_givs, try_copy_prop,
65         loop_giv_dump): Likewise.
66         * loop.h (INSN_LUID): Likewise.
67         * modulo-sched.c (normalize_sched_times, generate_prolog_epilog,
68         sms_schedule, check_nodes_order): Likewise.
69         * optabs.c (gen_conditional, add_equal_note, expand_simple_binop,
70         expand_twoval_unop, expand_twoval_binop, expand_twoval_binop_libfunc,
71         expand_simple_unop, emit_no_conflict_block, prepare_cmp_insn,
72         emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
73         prepare_float_lib_cmp, gen_add2_insn, have_add2_insn, gen_sub2_insn,
74         have_sub2_insn, expand_float, expand_fix, debug_optab_libfuncs):
75         Likewise.
76         * opts.c (common_handle_option): Likewise.
77         * params.c (set_param_value): Likewise.
78         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
79         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,hash_scan_set,
80         reg_set_between_after_reload_p, reg_used_between_after_reload_p,
81         get_avail_load_store_reg, eliminate_partially_redundant_load):
82         Likewise.
83         * postreload.c (reload_cse_simplify_set, reload_combine_note_use):
84         Likewise.
85         * predict.c (tree_predicted_by_p, expected_value_to_br_prob,
86         propagate_freq, expensive_function_p): Likewise.
87         * pretty-print.c (pp_base_format_text)
88         * profile.c (instrument_edges, instrument_values,
89         compute_branch_probabilities, branch_prob, union_groups,
90         end_branch_prob, tree_register_profile_hooks): Likewise.
91
92 2004-09-10  Jan Hubicka  <jh@suse.cz>
93
94         * tree-ssa-dce.c (remove_dead_stmt): Update profile.
95         * tree-split_edge.c (tree_split_edge): Likewise.
96         (thread_jumps): Likewise.
97
98 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
99
100         * cgraphunit.c, predict.c, tree-ssa-loop-ivopts.c: Fix comment
101         typos.
102
103 2004-09-10  Paolo Bonzini  <bonzini@gnu.org>
104
105         * cgraph.h (cgraph_dump_file): Do not declare.
106         * cgraphunit.c (cgraph_dump_file): Declare as static.
107         (init_cgraph): New.
108         * toplev.c (cgraph_dump_file): Do not declare.
109         (compile_file): Call init_cgraph.
110         * tree-dump.c (dump_files): Add IPA dump file, remove
111         XML dump of call graph.
112         (get_dump_file_name): Support IPA dump file naming scheme.
113         * tree.h (enum tree_dump_index): Add IPA dump file, remove
114         XML dump of call graph.
115         * doc/invoke.texi (Debugging Options): Document the new options.
116
117 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
118
119         * doc/extend.texi: Document the FR-V built-in functions.
120
121 2004-09-09  James E Wilson  <wilson@specifixinc.com>
122
123         * doc/sourcebuild.texi: Delete libbanshee reference.
124
125 2004-09-10  Kelley Cook  <kcook@gcc.gnu.org>
126
127         * Makefile.in (s-gtype): Add $(build_exeext) to gengtype command.
128
129 2004-09-09  James E Wilson  <wilson@specifixinc.com>
130
131         * c-typeck.c (convert_for_assignment): Check that rhs has VECTOR_TYPE
132         before calling vector_types_convertible_p.
133         (digest_init): Check that inside_init has VECTOR_TYPE before calling
134         vector_types_convertible_p.  Don't give another error if
135         convert_for_assignment returns error_mark_node.
136
137 2004-09-09  Roger Sayle  <roger@eyesopen.com>
138
139         PR middle-end/17055
140         * fold-const.c (build_zero_vector): New function to construct a
141         vector (either floating point or integer) of zeros.
142         (fold_convert): Internally, enable conversions of integer zero
143         to arbitrary vector types, using the new build_zero_vector.
144
145 2004-09-09  Roger Sayle  <roger@eyesopen.com>
146
147         * config/i386/i386.c (ix86_expand_ashlsi3_const): New function to
148         expand a left shift by an immediate constant as either an ashl or
149         a sequence of additions.
150         (ix86_split_ashldi): Use new ix86_expand_ashlsi3_const function
151         instead of calling gen_ashlsi3 with a constant directly.
152
153 2004-09-09  Roger Sayle  <roger@eyesopen.com>
154
155         * config/i386/i386.c (ix86_split_long_move): When optimizing for
156         size, and the low and high parts of a DImode constant are equal,
157         copy one register to another instead of loading the same immediate
158         value twice.
159
160 2004-09-09  Richard Henderson  <rth@redhat.com>
161
162         PR middle-end/17367
163         * function.c (assign_parm_setup_block): Only put PARALLELs into
164         a register if use_register_for_decl.
165
166 2004-09-09  Eric Christopher  <echristo@redhat.com>
167
168         * ra-colorize.c (reset_lists): Move variable declaration inside
169         ENABLE_CHECKING to avoid unused variable warnings when
170         not --enable-checking.
171         (check_colors): Ditto.
172
173 2004-09-09  Mike Stump  <mrs@apple.com>
174
175         * version.c (version_string): Bump to 4.0.0.
176         * doc/include/gcc-common.texi (version-GCC): Likewise.
177
178 2004-09-10  Jakub Jelinek  <jakub@redhat.com>
179
180         * doc/extend.texi (nothrow attribute): The attribute is not
181         implemented in 3.2 and earlier.
182
183 2004-09-09  Steve Ellcey  <sje@cup.hp.com>
184
185         * genrecog.c (compute_predicate_codes): Use op0_codes
186         instead of codes.
187
188 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
189
190         * ra-colorize.c (hardregset_to_string): Adapt to HARD_REG_SET
191         implementation changes.
192
193 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
194
195         * combine.c (try_combine): When swapping i2 and i3, newi2pat may be
196         a PARALLEL instead of a SET due to added clobbers.
197
198 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
199
200         * reload.c (find_reloads_address): Pass correct operand to
201         maybe_memory_address_p.
202
203 2004-09-09  Daniel Berlin  <dberlin@dberlin.org>
204
205         * Makefile.in: Remove libbanshee, tree-alias-*.
206         Remove tree-alias-common.h dependencies.
207         * common.opt: Remove -ftree-points-to.
208         * configure.ac: Remove libbanshee.
209         * flags.h: Remove pta_type, flag_tree_points_to.
210         * gengtype.c (open_base_files): Remove tree-alias-type.h.
211         * opts.c (OPT_ftree_points_to): Remove.
212         * toplev.c: Remove tree-alias-common.h, flag_tree_points_to.
213         * tree-dfa.c: Remove tree-alias-common.h
214         * tree-into-ssa.c: Ditto.
215         * tree-outof-ssa.c: Ditto.
216         * tree-ssa-copyrename.c: Ditto.
217         * tree-ssa-live.c: Ditto.
218         * tree-optimize.c: Ditto.
219         * tree-ssa.c: Ditto.
220         Remove pass_build_pta, pass_del_pta.
221         * tree-pass.h: Ditto.
222         * tree-ssa-alias.c: Remove tree-alias-common.h.
223         (struct alias_stats_d): Remove pta_queries, pta_resolved.
224         (pass_may_alias): Remove PROP_pta requirement.
225         (may_alias_p): Remove pta_queries, pta_resolved, use of andersens.
226         (get_tmt_for): Ditto.
227         (dump_alias_stats): Ditto.
228         * doc/passes.texi: Remove blurb about points-to analysis.
229         * fortran/Make-lang.in: Remove tree-alias-*.o.
230
231 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
232
233         * genattrtab.c (write_insn_cases): New function, split out from
234         write_attr_case.  Correctly handle define_peepholes when printing
235         the instruction name.
236         (write_attr_case, write_const_num_delay_slots): Use write_insn_cases.
237
238 2004-09-09  Hans-Peter Nilsson  <hp@axis.com>
239
240         PR target/17377
241         * config/cris/cris-protos.h (cris_return_address_on_stack): Declare.
242         * config/cris/cris.c (cris_return_address_on_stack): New function.
243         * config/cris/cris.md ("return"): For location of return address,
244         also check cris_return_address_on_stack.
245
246 >>>>>>> 2.5354
247 2004-09-09  Diego Novillo  <dnovillo@redhat.com>
248
249         * tree-outof-ssa.c (coalesce_abnormal_edges): Fix typo in
250         calling phi_ssa_name_p.
251
252 2004-09-09  Richard Henderson  <rth@redhat.com>
253
254         PR c/17322
255         * c-typeck.c (valid_compound_expr_initializer): Use only
256         initializer_constant_valid_p, and not TREE_CONSTANT.
257         (digest_init): Likewise.
258         (output_init_element): Likewise.
259
260 2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
261
262         * ra-build.c (copy_insn_p, remember_move, defuse_overlap_p_1,
263         live_out_1, prune_hardregs_for_mode, init_one_web_common,
264         reinit_one_web, add_subweb, add_subweb_2, init_web_parts,
265         record_conflict, compare_and_free_webs, init_webs_defs_uses,
266         parts_to_webs_1, parts_to_webs, reset_conflicts,
267         check_conflict_numbers, remember_web_was_spilled, handle_asm_insn,
268         ra_build_free): Use gcc_assert and gcc_unreachable instead of abort.
269         * ra-colorize.c (push_list, put_web, reset_lists, put_web_at_end,
270         put_move, remove_move, combine, select_spill, colorize_one_web,
271         try_recolor_web, insert_coalesced_conflicts, check_colors,
272         break_precolored_alias, restore_conflicts_from_coalesce,
273         sort_and_combine_web_pairs, check_uncoalesced_moves): Likewise.
274         * ra-rewrite.c (spill_coalescing, slots_overlap_p, emit_loads,
275         reloads_to_loads, rewrite_program2, emit_colors): Likewise.
276         * ra.c (first_hard_reg, create_insn_info, find_subweb, init_ra,
277         check_df): Likewise.
278         * real.c (do_add, do_multiply, do_divide, do_compare, do_fix_trunc,
279         real_arithmetic, real_compare, real_exponent, real_ldexp,
280         real_identical, real_to_integer, real_to_integer2, real_to_decimal,
281         real_to_hexadecimal, real_from_integer, ten_to_ptwo, ten_to_mptwo,
282         real_digit, real_nan, real_maxval, round_for_format, real_convert,
283         real_to_target, real_from_target, real_hash, encode_ieee_single,
284         encode_ieee_double, encode_ieee_extended, encode_ieee_quad,
285         encode_vax_f, encode_vax_d, encode_vax_g, encode_i370_single,
286         encode_i370_double, encode_c4x_single, encode_c4x_extended): Likewise.
287         * recog.c (validate_change, validate_replace_rtx_1, asm_operand_ok,
288         extract_insn, peep2_next_insn, peep2_reg_dead_p,
289         peep2_find_free_register, peephole2_optimize, store_data_bypass_p,
290         if_test_bypass_p): Likewise.
291         * reg-stack.c (record_label_references, get_asm_operand_n_inputs,
292         stack_result, remove_regno_note, get_hard_regnum, emit_pop_insn,
293         emit_swap_insn, swap_to_top, move_for_stack_reg,
294         subst_stack_regs_pat, subst_asm_stack_regs, change_stack,
295         compensate_edge, convert_regs_1): Likewise.
296         * regclass.c (init_reg_sets, init_reg_sets_1,
297         memory_move_secondary_cost): Likewise.
298         * regrename.c (note_sets, clear_dead_regs, scan_rtx_reg, scan_rtx):
299         Likewise.
300         * reload.c (push_secondary_reload, find_valid_class, push_reload,
301         operands_match_p, decompose, immune_p, find_reloads,
302         find_reloads_toplev, find_reloads_address_1, subst_reloads,
303         copy_replacements, refers_to_regno_for_reload_p,
304         reg_overlap_mentioned_for_reload_p): Likewise.
305         * reload1.c (compute_use_by_pseudos, replace_pseudos_in, reload,
306         count_pseudo, find_reg, eliminate_regs, eliminate_regs_in_insn,
307         verify_initial_elim_offsets, finish_spills, clear_reload_reg_in_use,
308         reload_reg_free_p, reload_reg_reaches_end_p, reloads_conflict,
309         choose_reload_regs, merge_assigned_reloads, emit_input_reload_insns,
310         do_output_reload, fixup_abnormal_edges): Likewise.
311         * reorg.c (stop_search_p, emit_delay_sequence, get_jump_flags,
312         fill_slots_from_thread, relax_delay_slots): Likewise.
313         * resource.c (mark_referenced_resources, mark_set_resources):
314         Likewise.
315         * rtl.c (copy_rtx, rtx_equal_p): Likewise.
316         * rtlanal.c (insn_dependent_p, reg_overlap_mentioned_p,
317         dead_or_set_p, find_reg_fusage, remove_note, replace_rtx,
318         subreg_lsb_1, subreg_regno_offset, subreg_offset_representable_p,
319         find_first_parameter_load, can_hoist_insn_p, hoist_update_store,
320         hoist_insn_after, hoist_insn_to_edge, nonzero_bits1): Likewise.
321         * rtlhooks.c (gen_lowpart_general): Likewise.
322         * sbitmap.c (sbitmap_difference): Likewise.
323         * sched-deps.c (add_dependence, sched_analyze_1, sched_analyze_2,
324         sched_analyze, add_forward_dependence): Likewise.
325         * sched-ebb.c (fix_basic_block_boundaries, schedule_ebb): Likewise.
326         * sched-rgn.c (debug_regions, compute_trg_info, schedule_region,
327         schedule_insns): Likewise.
328         * sched-vis.c (print_pattern): Likewise.
329         * sdbout.c (sdbout_symbol, sdbout_toplevel_data): Likewise.
330         * simplify-rtx.c (simplify_unary_operation, simplify_binary_operation,
331         simplify_const_relational_operation, simplify_ternary_operation,
332         simplify_immed_subreg, simplify_subreg, simplify_gen_subreg):
333         Likewise.
334         * sreal.c (copy, sreal_sub, sreal_div): Likewise.
335         * stmt.c (force_label_rtx, expand_goto, expand_asm_operands,
336         resolve_operand_name_1, expand_return, expand_decl,
337         expand_anon_union_decl, emit_case_bit_tests, expand_case): Likewise.
338         * stor-layout.c (put_pending_size, smallest_mode_for_size,
339         int_mode_for_mode, layout_decl, finish_builtin_struct, layout_type,
340         set_sizetype, get_mode_bounds): Likewise.
341
342 2004-09-09  Zack Weinberg  <zack@codesourcery.com>
343
344         * defaults.h (MULTIPLE_SYMBOL_SPACES): Provide default.
345         * config/arm/pecoff.h, config/i386/beos-elf.h
346         * config/i386/cygming.h, config/i386/i386-interix.h:
347         Define MULTIPLE_SYMBOL_SPACES to 1, not nothing.  Remove
348         comment cloned from manual.
349         * doc/tm.texi: Update description of MULTIPLE_SYMBOL_SPACES.
350
351 2004-09-09  Frank Ch. Eigler  <fche@redhat.com>
352
353         * builtins.c (build_va_arg_indirect_ref): New function.
354         (std_gimplify_va_arg_expr): Call it instead of mudflap check and
355         build_fold_indirect_ref.
356         * config/i386/i386.c (ix86_gimplify_va_arg): Ditto.
357         * config/ia64/ia64.c (ia64_gimplify_va_arg): Ditto.
358         * tree.h: Declare new function.
359
360 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
361
362         * cgraphunit.c (cgraph_mark_functions_to_output): Renable node
363         dumping for development builds.
364         * emit-rtl.c (verify_rtx_sharing): Give verbose failure for
365         development builds only.
366         * genattrtab.c (write_eligible_delay): Fix typo in previous
367         commit.
368         * tree.c (iterative_hash_expr): Replace gcc_unreachable with
369         gcc_assert.
370
371 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
372
373         * gcse.c (INSN_CUID, insert_set_in_table, find_avail_set,
374         cprop_insn, do_local_cprop, local_cprop_pass, find_bypass_set,
375         process_insert_insn, insert_insn_end_bb, pre_insert_copy_insn,
376         hoist_code, extract_mentioned_regs_helper, compute_store_table,
377         insert_store): Use gcc_assert and gcc_unreachable.
378         * ggc-common.c (ggc_splay_alloc, ggc_splay_dont_free,
379         gt_pch_note_object, gt_pch_note_reorder, relocate_ptrs,
380         ggc_record_overhead): Likewise.
381         * ggc-page.c (alloc_page, free_page, ggc_set_mark, ggc_marked_p,
382         init_ggc, ggc_push_context, ggc_recalculate_in_use_p,
383         ggc_pop_context, clear_marks, validate_free_objects,
384         ggc_pch_read): Likewise.
385         * ggc-zone.c (ggc_allocated_p, free_chunk, ggc_set_mark,
386         ggc_marked_p, ggc_get_size, init_ggc, destroy_ggc_zone,
387         ggc_push_context, check_cookies, ggc_collect,
388         ggc_print_statistics): Likewise.
389         * gimple-low.c (lower_function_body, lower_stmt,
390         lower_bind_expr): Likewise.
391         * gimplify.c (gimple_tree_eq, push_gimplify_context,
392         pop_gimplify_context, gimple_pop_condition, create_tmp_var,
393         declare_tmp_vars, gimple_add_tmp_var, annotate_all_with_locus,
394         mostly_copy_tree_r, gimplify_return_expr, gimplify_switch_expr,
395         gimplify_case_label_expr, gimplify_exit_block_expr,
396         canonicalize_component_ref, gimplify_compound_lval,
397         gimplify_self_mod_expr, gimplify_call_expr,
398         gimplify_init_ctor_eval, gimplify_init_constructor,
399         gimplify_modify_expr, gimplify_save_expr, gimplify_target_expr,
400         gimplify_expr, check_pointer_types_r,
401         force_gimple_operand): Likewise.
402         * global.c (global_alloc, build_insn_chain): Likewise.
403         * graph.c (clean_graph_dump_file,
404         finish_graph_dump_file): Likewise.
405         gcov-io.c (gcov_open): Use GCOV_CHECK.
406
407 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
408
409         * config/frv/frv.c (acc_operand, accg_operand): Use REGNO.
410
411 2004-09-09  Jan Hubicka  <jh@suse.cz>
412
413         middle-end/17128
414         * tree-inline.c (expand_call_inline): Make overactive sanity check
415         happy.
416
417 2004-09-09  Jan Hubicka  <jh@suse.cz>
418
419         * tree-ssa-loop-ivopts.c (peel_address): Fix abort on
420         VIEW_CONVERT_EXPR.
421
422 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
423
424         * Makefile.in (gengtype): Use $(BUILD_ERRORS).
425         (gengtype.o): Depend on errors.h.
426         * genattrtab.c (strcmp_check): Use gcc_assert and gcc_unreachable.
427         (attr_rtx_1, attr_printf, attr_copy_rtx, evaluate_eq_attr,
428         attr_alt_subset_p, attr_alt_subset_of_compl_p,
429         attr_alt_intersection, attr_alt_union, optimize_attrs, gen_insn,
430         write_test_expr, write_attr_value, write_eligible_delay,
431         make_internal_attr, make_numeric_value): Likewise.
432         * genautomata.c (regexp_name, get_str_vect,
433         gen_presence_absence_set, automaton_decl_hash,
434         automaton_decl_eq_p, insn_decl_hash, insn_decl_eq_p, decl_hash,
435         decl_eq_p, process_regexp, loop_in_regexp, check_loops_in_regexps,
436         process_regexp_cycles, reserv_sets_cmp, set_unit_reserv,
437         test_unit_reserv, it_is_empty_reserv_sets,
438         reserv_sets_are_intersected, reserv_sets_shift, reserv_sets_or,
439         reserv_sets_and, output_cycle_reservs, get_free_state,
440         intersected_state_reservs_p, states_union, remove_arc,
441         copy_insn_regexp, transform_1, transform_2, transform_3,
442         regexp_transform_func, store_alt_unit_usage,
443         check_regexp_units_distribution, process_seq_for_forming_states,
444         process_alts_for_forming_states, make_automaton,
445         form_arcs_marked_by_insn, create_composed_state,
446         set_out_arc_insns_equiv_num, partition_equiv_class,
447         process_insn_equiv_class, set_insn_equiv_classes,
448         units_to_automata_heuristic_distr, form_regexp,
449         longest_path_length, output_dfa_max_issue_rate, add_vect,
450         out_state_arcs_num, add_vect_el, output_trans_table,
451         output_state_alts_table, output_dead_lock_vect,
452         output_max_insn_queue_index_def,
453         output_min_insn_conflict_delay_func,
454         output_internal_insn_latency_func, output_print_reservation_func,
455         output_cpu_unit_reservation_p, output_state_arcs,
456         make_insn_alts_attr, make_internal_dfa_insn_code_attr,
457         make_default_insn_latency_attr,
458         form_important_insn_automata_lists): Likewise.
459         * genemit.c (gen_exp, output_add_clobbers,
460         output_added_clobbers_hard_reg_p): Likewise.
461         * genextract.c (print_path, main): Likewise.
462         * genflags.c (gen_macro): Likewise.
463         * gengenrtl.c: Include errors.h
464         (type_from_format, accessor_from_format): Likewise.
465         * gengtype.c (get_file_basename, output_mangled_typename,
466         walk_type, write_types_process_field,
467         write_types_local_process_field): Likewise.
468         * genmodes.c (complete_mode): Likewise.
469         * genopinit.c (gen_insn): Likewise.
470         * genoutput.c (output_insn_data, check_constraint_len,
471         constraint_len): Likewise.
472         * genpreds.c (add_mode_tests):Likewise.
473         * gen-protos.c (add_hash): Likewise.
474         * genrecog.c (find_operand, find_matching_operand,
475         validate_pattern, add_to_sequence, maybe_both_true,
476         nodes_identical_1, merge_trees, write_switch, write_cond,
477         write_action, is_unconditional, make_insn_sequence,
478         debug_decision_2): Likewise.
479         * gensupport.c (is_predicable, collect_insn_data,
480         alter_predicate_for_insn, maybe_eval_c_test): Likewise.
481
482 2004-09-09  Jan Hubicka  <jh@suse.cz>
483
484         * basic-block.h (guess_outgoing_edge_probabilities): Declare.
485         * cfgbuild.c (compute_outgoing_frequencies): When probability is
486         missing, guess it.
487         (find_many_sub_basic_blocks): Do update profile only when it is
488         present.
489         * predict.c (set_even_probabilities): Break out from ...
490         (combine_predictions_for_insn): ... here; deal with
491         !can_predict_insn_p insns.
492         (combine_predictions_for_bb): Use set_even_probabilities.
493         (bb_estimate_probability_locally): Break out from ....
494         (estimate_probability): ... here.
495         (guess_outgoing_edge_probabilities): New entry point.
496
497 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
498
499         * gcc.c (add_sysrooted_prefix, execute, do_self_spec, do_spec_1,
500         handle_braces, process_brace_body, main, used_arg,
501         set_multilib_dir, print_multilib_info): Use fatal, not abort.
502
503         * tree-nested.c (create_tmp_var_for): Correct missinverted assert.
504
505         * tree-outof-ssa.c (free_temp_expr_table): Add missed assert.
506         * tree-ssa-ccp.c (set_lattice_value): Correct missapplied de
507         Morgan's theorem in last checkin.
508
509 2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
510             Nathan Sidwell  <nathan@codesourcery.com>
511
512         * targhooks.c (default_unwind_emit, default_scalar_mode_supported_p):
513         Use gcc_assert, gcc_unreachable & internal_error instead of abort.
514         * timevar.c (timevar_push, timevar_pop, timevar_start,
515         timevar_stop): Likewise.
516         * toplev.c (default_pch_valid_p): Likewise.
517         * tracer.c (tail_duplicate): Likewise.
518         * tree-alias-common.c (get_alias_var_decl,
519         get_values_from_constructor, create_alias_var, delete_alias_vars,
520         empty_points_to_set, same_points_to_set, ptr_may_alias_var):
521         Likewise.
522         * tree.c (tree_size, make_node_stat, copy_node_stat,
523         build_int_cst_wide, integer_all_onesp, list_length, chainon,
524         tree_node_structure, type_contains_placeholder_p, substitute_in_expr,
525         substitute_placeholder_in_expr, tabilize_reference_1, build0_stat,
526         build1_stat, build2_stat, build3_stat, build4_stat, is_attribute_p,
527         lookup_attribute, type_hash_canon, host_integerp, iterative_hash_expr,
528         build_method_type_directly, decl_type_context, get_callee_fndecl,
529         get_set_constructor_bits, build_vector_type_for_mode, int_cst_value,
530         tree_fold_gcd): Likewise.
531         * tree-cfg.c (create_bb, make_ctrl_stmt_edges, make_exit_edges,
532         make_cond_expr_edges, group_case_labels, tree_merge_blocks,
533         cleanup_control_expr_graph, find_taken_edge,
534         find_taken_edge_switch_expr, phi_alternatives_equal,
535         is_ctrl_altering_stmt, disband_implicit_edges, set_bb_for_stmt,
536         stmt_for_bsi, tree_find_edge_insert_loc, bsi_insert_on_edge_immediate,
537         tree_split_edge, tree_verify_flow_info, thread_jumps,
538         tree_redirect_edge_and_branch, tree_flow_call_edges_add): Likewise.
539         * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
540         chrec_fold_multiply_poly_poly): Likewise.
541         * tree-complex.c (extract_component, expand_complex_division,
542         expand_complex_comparison, expand_complex_operations_1,
543         build_replicated_const, expand_vector_operations_1): Likewise.
544         * tree-data-ref.c (tree_fold_bezout, build_classic_dist_vector,
545         build_classic_dir_vector): Likewise.
546         * tree-dfa.c (compute_immediate_uses_for_phi,
547         compute_immediate_uses_for_stmt, create_var_ann, create_stmt_ann,
548         create_tree_ann, collect_dfa_stats, get_virtual_var): Likewise.
549         * tree-dump.c (dequeue_and_dump): Likewise.
550         * tree-eh.c (record_stmt_eh_region, add_stmt_to_eh_region,
551         record_in_finally_tree, replace_goto_queue_1,
552         maybe_record_in_goto_queue, verify_norecord_switch_expr,
553         do_return_redirection): Likewise.
554         * tree-if-conv.c (tree_if_convert_stmt, tree_if_convert_cond_expr,
555         add_to_dst_predicate_list, find_phi_replacement_condition,
556         replace_phi_with_cond_modify_expr, get_loop_body_in_if_conv_order):
557         Likewise.
558         * tree-inline.c (remap_decl, remap_type, remap_decls, copy_body_r,
559         initialize_inlined_parameters, declare_return_variable,
560         estimate_num_insns_1, expand_call_inline, expand_calls_inline,
561         optimize_inline_calls, copy_tree_r): Likewise.
562         * tree-into-ssa.c (rewrite_initialize_block_local_data, rewrite_stmt,
563         ssa_rewrite_stmt, rewrite_into_ssa): Likewise.
564         * tree-iterator.c (alloc_stmt_list, tsi_link_before, tsi_link_after,
565         tsi_split_statement_list_after, tsi_split_statement_list_before):
566         Likewise.
567         * tree-mudflap.c (mf_varname_tree): Likewise.
568         * tree-nested.c (create_tmp_var_for, lookup_field_for_decl,
569         lookup_tramp_for_decl, convert_all_function_calls): Likewise.
570         * tree-optimize.c (tree_rest_of_compilation): Likewise.
571         * tree-outof-ssa.c (create_temp, eliminate_build, eliminate_phi,
572         coalesce_abnormal_edges, coalesce_ssa_name, eliminate_virtual_phis,
573         free_temp_expr_table, add_dependance, finish_expr, rewrite_trees):
574         Likewise.
575         * tree-phinodes.c (resize_phi_node, add_phi_arg,
576         remove_all_phi_nodes_for): Likewise.
577         * tree-pretty-print.c (op_prio, print_call_name): Likewise.
578         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
579         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Likewise.
580         * tree-sra.c (type_can_instantiate_all_elements, sra_hash_tree,
581         sra_elt_eq, sra_walk_expr, instantiate_missing_elements,
582         generate_one_element_ref, generate_element_copy,
583         generate_element_zero, scalarize_copy, scalarize_init,
584         scalarize_ldst): Likewise.
585         * tree-ssa-alias.c (delete_alias_info, group_aliases, may_alias_p,
586         add_may_alias, add_pointed_to_expr, add_pointed_to_var,
587         collect_points_to_info_r, get_tmt_for, get_ptr_info): Likewise.
588         * tree-ssa.c (walk_use_def_chains, check_phi_redundancy): Likewise.
589         * tree-ssa-ccp.c (dump_lattice_value, get_default_value, get_value,
590         set_lattice_value, likely_value, ccp_visit_phi_node, visit_assignment,
591         widen_bitfield, ccp_fold_builtin): Likewise.
592         * tree-ssa-copy.c (may_propagate_copy, merge_alias_info,
593         replace_exp_1, propagate_tree_value): Likewise.
594         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
595         * tree-ssa-dce.c (set_control_dependence_map_bit,
596         find_control_dependence, find_pdom, mark_operand_necessary,
597         mark_stmt_if_obviously_necessary,
598         mark_control_dependent_edges_necessary, remove_dead_stmt): Likewise.
599         * tree-ssa-dom.c (dom_opt_initialize_block_local_data,
600         simplify_switch_and_lookup_avail_expr, cprop_into_successor_phis,
601         eliminate_redundant_computations, avail_expr_eq): Likewise.
602         * tree-ssa-dse.c (fix_stmt_v_may_defs): Likewise.
603         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
604         duplicate_blocks): Likewise.
605         * tree-ssa-loop-im.c (for_each_index, set_level,
606         is_call_clobbered_ref): Likewise.
607         * tree-ssa-loop-ivopts.c (dump_use, divide, stmt_after_ip_normal_pos,
608         stmt_after_increment, set_iv, contains_abnormal_ssa_name_p,
609         find_interesting_uses_outer_or_nonlin, add_derived_ivs_candidates,
610         peel_address, ptr_difference_cost, may_replace_final_value,
611         determine_use_iv_cost, rewrite_use_nonlinear_expr, rewrite_use_outer,
612         rewrite_use, rewrite_uses): Likewise.
613         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
614         check_loop_closed_ssa_use): Likewise.
615         * tree-ssanames.c (make_ssa_name): Likewise.
616         * tree-ssa-operands.c (finalize_ssa_defs, finalize_ssa_uses,
617         finalize_ssa_v_must_defs, finalize_ssa_stmt_operands,
618         get_stmt_operands, get_expr_operands, get_asm_expr_operands,
619         get_indirect_ref_operands, add_stmt_operand): Likewise.
620         * tree-ssa-pre.c (value_exists_in_set_bitmap,
621         value_remove_from_set_bitmap, bitmap_insert_into_set, insert_into_set,
622         phi_translate, valid_in_set, compute_antic,
623         find_or_generate_expression, create_expression_by_pieces, insert_aux,
624         create_value_expr_from, eliminate): Likewise.
625         * tree-ssa-propagate.c (cfg_blocks_get): Likewise.
626         * tree-ssa-threadupdate.c (remove_last_stmt_and_useless_edges):
627         Likewise.
628         * tree-tailcall.c (independent_of_stmt_p, adjust_return_value,
629         eliminate_tail_call): Likewise.
630         * tree-vectorizer.c (vect_create_index_for_array_ref,
631         vect_align_data_ref, vect_create_data_ref,
632         vect_create_destination_var, vect_get_vec_def_for_operand,
633         vect_finish_stmt_generation, vect_transform_stmt,
634         vect_transform_loop_bound, vect_transform_loop,
635         vect_analyze_operations): Likewise.
636         * tree-vn.c (vn_compute, set_value_handle, get_value_handle):
637         Likewise.
638         * tree-flow-inline.h (var_ann, get_var_ann, get_def_from_ptr,
639         get_use_op_ptr, immediate_use, phi_ssa_name_p, bsi_start,
640         bsi_after_labels, bsi_last): Likewise.
641         * tree-ssa-live.c (var_union, change_partition_var,
642         create_ssa_var_map, calculate_live_on_entry, root_var_init,
643         type_var_init, add_coalesce, sort_coalesce_list, pop_best_coalesce):
644         Likewise.
645         * tree-ssa-live.h (partition_is_global, live_entry_blocks,
646         tpa_find_tree): Likewise.
647         (register_ssa_partition_check): Declare.
648         (register_ssa_partition): use it.
649         * tree-ssa-live.c: Include errors.h.
650         (register_ssa_partition_check): New.
651         * tree-ssa-operands.c: Include errors.h.
652         * Makefile.in (tree-ssa-operands.o): Depend on errors.h.
653
654 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
655             Catherine Moore  <clm@redhat.com>
656
657         * config/frv/frv-protos.h (FRV_CPU_FR550, FRV_CPU_FR450)
658         (FRV_CPU_FR405): New processor enums.
659         (frv_issue_rate, frv_acc_group): Declare.
660         * config/frv/frv.h (CPP_SPEC, CPP_FRV_SPEC, CPP_FR500_SPEC): Delete.
661         (CPP_FR400_SPEC, CPP_SIMPLE_SPEC): Delete.
662         (MASK_DEFAULT_FR550, MASK_DEFAULT_FR450): New macros.
663         (SUBTARGET_EXTRA_SPECS, EXTRA_SPECS, CPP_CPU_DEFAULT_SPEC): Delete.
664         (TARGET_CPU_CPP_BUILTINS): Define the macros that were previously
665         handled by CPP_SPEC.
666         (MASK_LONG_CALLS, TARGET_LONG_CALLS): New macros.
667         (MASK_ALIGN_LABELS, TARGET_ALIGN_LABELS): New macros.
668         (ACC_MASK): New macro.
669         (TARGET_MEDIA_REV2): Include FRV_CPU_{FR405,FR450,FR550}.
670         (TARGET_MEDIA_FR450): New macro.
671         (TARGET_FR500_FR550_BUILTINS, TARGET_FR405_BUILTINS): New macros.
672         (TARGET_SWITCHES): Add -m{no-,}align-labels and -m{no-,}long-calls.
673         (LABEL_ALIGN_AFTER_BARRIER): Define.
674         (ACC_LAST, ACCG_LAST): Add four new accumulator registers.
675         (IACC_FIRST, IACC_LAST): New pair of SPRs.
676         (ACCG_FIRST, AP_FIRST, SPR_FIRST, SPR_LAST): Adjust accordingly.
677         (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
678         (REGISTER_NAMES): Add entries for new registers.
679         (REG_CLASS_CONTENTS): Update for new register ranges.
680         (EXTRA_CONSTRAINT_FOR_S): Redefine in terms of call_operand.
681         (ISSUE_RATE, CLEAR_VLIW_START, SET_VLIW_START): Delete.
682         (PACKING_FLAG_USED_P): Delete.
683         (FRV_BUILTIN_MQLCLRHS, FRV_BUILTIN_MQLMTHS, FRV_BUILTIN_MQSLLHI)
684         (FRV_BUILTIN_MQSRAHI, FRV_BUILTIN_SMUL, FRV_BUILTIN_UMUL)
685         (FRV_BUILTIN_PREFETCH0, FRV_BUILTIN_PREFETCH, FRV_BUILTIN_SMASS)
686         (FRV_BUILTIN_SMSSS, FRV_BUILTIN_SMU, FRV_BUILTIN_SCUTSS)
687         (FRV_BUILTIN_ADDSS, FRV_BUILTIN_SUBSS, FRV_BUILTIN_SLASS)
688         (FRV_BUILTIN_IACCread{l,ll}, FRV_BUILTIN_IACCset{ll,l})
689         (FRV_BUILTIN_SCAN): New members of frv_builtin_enum.
690         (FRV_BUILTIN_FIRST_NONMEDIA): New macro.
691         (CPU_UNITS_QUERY): Define to 1.
692         * config/frv/frv.c: Include gt-frv.h
693         (NUM_NOP_PATTERNS, NTH_UNIT, UNIT_NUMBER, PACKING_FLAG_P): New macros.
694         (SET_PACKING_FLAG, CLEAR_PACKING_FLAG, FOR_EACH_REGNO): New macros.
695         (frv_insn_group): New enumeration.
696         (frv_unit_names, frv_unit_groups, frv_unit_codes): New variables.
697         (frv_type_to_unit, frv_nops, frv_num_nops): New variables.
698         (REGSTATE_DEAD, REGSTATE_LIVE, REGSTATE_UNUSED, REGSTATE_MASK)
699         (REGSTATE_CONDJUMP): Delete.  Shuffle other numbers to cover the
700         gap left by REGSTATE_LIVE.
701         (regstate_t): New typedef.
702         (TARGET_MACHINE_DEPENDENT_REORG): Define.
703         (frv_default_flags_for_cpu): Handle FRV_CPU_{FR550,FR450,FR405}.
704         (frv_override_options): Check for -mcpu={fr550,fr450,fr405}.
705         Initialize frv_unit_codes[] and frv_type_to_unit[].
706         (frv_conditional_register_usage): Remove redundant fixing of
707         accumulator registers.
708         (frv_insn_packing_flag): Update specification.
709         (frv_function_prologue): Don't set frv_insn_packing_flag here.
710         Zero out frv_nops[].
711         (frv_expand_epilogue): Remove comments about the no-longer-present
712         SIBCALL_P argument.
713         (frv_asm_output_mi_thunk): Check frv_issue_rate() rather than
714         PACKING_FLAG_USED_P() when deciding whether to pack instructions.
715         (frv_asm_output_opcode, frv_final_prescan_insn): Simplify in light
716         of the new meaning of frv_insn_packing_flag.  Emit an mnop.p if
717         packing is disabled and if INSN can only issue to M1.
718         (call_operand): Check TARGET_LONG_CALLS.
719         (acc_operand, even_acc_operand, quad_acc_operand)
720         (accg_operand): Simplify.  Don't accept pseudo registers.
721         (output_move_single): Handle SPR<-zero moves.
722         (frv_issue_rate): Make non-static.  Handle FRV_CPU_{FR550,FR450,FR405}.
723         (frv_registers_update, frv_registers_used_p): Delete.
724         (frv_registers_set_p): Delete.
725         (frv_acc_group_1, frv_acc_group, frv_insn_unit): New functions.
726         (frv_issues_to_branch_unit_p): New function.
727         (frv_packet): New structure.
728         (frv_cond_flags, frv_regstate_conflict_p): New functions.
729         (frv_registers_conflict_p_1, frv_registers_conflict_p): New functions.
730         (frv_registers_update_1, frv_registers_update): New functions.
731         (frv_start_packet, frv_start_packet_block, frv_finish_packet)
732         (frv_pack_insn_p, frv_add_insn_to_packet, frv_insert_nop_in_packet)
733         (frv_for_each_packet, frv_sort_insn_group_1, frv_compare_insns)
734         (frv_sort_insn_group, frv_reorder_packet): New functions.
735         (frv_pack_insns): Use frv_reorder_packet.
736         (frv_packet_address): New variable.
737         (frv_fill_unused_units, frv_align_label, frv_reorg_packet)
738         (frv_register_nop, frv_reorg): New functions.
739         (bdesc_1arg): Add __SCUTSS.
740         (bdesc_2arg): Add __MQLCLRHS, __MQLMTHS, __SMUL, __UMUL, __ADDSS,
741         __SUBSS, __SLASS and __SCAN.
742         (bdesc_2argimm): Add __MQSLLHI and __MQSRAHI.
743         (bdesc_int_void2arg, bdesc_prefetches): New arrays.
744         (frv_init_builtins): Register the above builtins.
745         (frv_int_to_acc): Use ACC_MASK to check for valid accumulator
746         registers.  Turn the referenced accumulators into global registers.
747         (frv_read_iacc_argument): New function.
748         (frv_expand_int_void2arg, frv_expand_prefetches): New functions.
749         (frv_split_iacc_move): New function.
750         (frv_expand_builtin): Handle the new builtins.
751         * config/frv/frv.md: Replace old schedulers with new order-independent
752         ones.  Add schedulers for the FR405, FR450 and FR550.  Describe new
753         packing algorithm.
754         (cpu): Add fr550, fr450 and fr405.
755         (type): Add macc, scan, cut, fnop, fscmp, fdcmp, mnop, mqlimh and
756         mqshift.  Replace fmas with fsmadd and fmad with fdmadd.  Delete m7.
757         (*muladd[sd]f4, *mulsub[sd]f4): Fix types.
758         (*cmp[sd]f_cc_fp): Use new f[sd]cmp types.
759         (fnop, mnop): New patterns.
760         (UNSPEC_MQLCLRHS, UNSPEC_MQLMTHS, UNSPEC_MQSLLHI, UNSPEC_MQSRAHI):
761         New constants.
762         (mexpdhw, *cond_exec_mexpdhw): Fix destination operands.
763         (mclracca8): Use ACC_MASK to determine the upper set of accumulator
764         registers.
765         (mqlclrhs, mqlmths, mqsllhi, mqsrahi): New patterns.
766         (UNSPEC_SMUL, UNSPEC_UMUL, UNSPEC_SMU, UNSPEC_ADDSS, UNSPEC_SUBSS)
767         (UNSPEC_SLASS, UNSPEC_SCAN, UNSPEC_INTSS, UNSPEC_SCUTSS)
768         (UNSPEC_PREFETCH0, UNSPEC_PREFETCH, UNSPEC_IACCreadll)
769         (UNSPEC_IACCreadl, UNSPEC_IACCsetll, UNSPEC_IACCsetl, UNSPEC_SMASS)
770         (UNSPEC_SMSSS, UNSPEC_IMUL, IACC0_REG): New constants.
771         (smul, umul, smass, smsss, smu, addss, subss, slass, scan, scutss)
772         (frv_prefetch0, frv_prefetch): New patterns.
773         * config/frv/t-frv (MULTILIB_OPTIONS): Remove -mcpu=frv and
774         -mcpu=simple.  Add -mcpu=fr550.
775         (MULTILIB_DIRNAMES): Update accordingly.
776         (MULTILIB_MATCHES): Use the fr400 multilibs for -mcpu=fr405 and
777         -mcpu=fr450.
778         * doc/invoke.texi: Document the new -mcpu={fr550,fr450,fr405},
779         -mlong-calls and -malign-labels options for FR-V.
780
781 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
782
783         PR c/8420
784         * c-tree.h (struct c_declspecs): New.
785         (struct c_declarator, struct c_type_name, struct c_parm): Update
786         element types.
787         (build_array_declarator, grokfield, shadow_tag, shadow_tag_warned,
788         start_function, start_decl, build_c_parm,
789         make_pointer_declarator): Update prototypes.
790         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
791         declspecs_add_scspec, declspecs_add_attrs): New.
792         (split_specs_attrs): Remove.
793         * c-parse.in (%union): Add dsptype.
794         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
795         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
796         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
797         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
798         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
799         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
800         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
801         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
802         declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
803         declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
804         maybe_type_quals_attrs): Change to dsptype.
805         (struct c_declspec_stack): New.
806         (current_declspecs, declspec_stack): Change type.
807         (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): Update to new
808         structures.
809         (extdefs): Likewise.
810         (setspecs): Likewise.
811         (fndef): Use current_declspecs for empty declspecs list.
812         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
813         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
814         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
815         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
816         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
817         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
818         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
819         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea): Update to new
820         structures and helper functions.  Update comments.
821         (typespec_nonattr): Correct comment.
822         (maybe_type_quals_attrs, typename): Update to new structures.
823         * c-decl.c (grokdeclarator, build_array_declarator, grokfield,
824         shadow_tag, shadow_tag_warned, start_function, start_decl,
825         build_c_parm, make_pointer_declarator,
826         set_array_declarator_inner, groktypename): Update to new
827         structures.
828         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
829         declspecs_add_scspec, declspecs_add_attrs): New.
830         (split_specs_attrs): Remove.
831         (shadow_tag_warned): Make warning for useless type names a
832         pedwarn.  Give hard error for long, short, signed, unsigned or
833         _Complex used with struct, union or enum in empty declaration.
834         Make found_tag a bool.
835         (grokdeclarator): Remove checks now done at parse time.
836
837 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
838
839         * c-tree.h (enum c_declarator_kind, struct c_arg_info, struct
840         c_declarator, struct c_type_name, struct c_parm): New.
841         (build_array_declarator, set_array_declarator_inner,
842         get_parm_info, grokfield, groktypename, grokparm, push_parm_decl,
843         start_function, start_decl, build_c_parm, build_attrs_declarator,
844         build_function_declarator, make_pointer_declarator, c_cast_expr,
845         store_parm_decls_newstyle, c_expr_sizeof_type): Update prototypes.
846         (build_id_declarator): New.
847         * c-typeck.c (c_cast_expr, c_expr_sizeof_type): Update to new
848         structures.
849         * c-decl.c (ARG_INFO_PARMS, ARG_INFO_TAGS, ARG_INFO_TYPES,
850         ARG_INFO_OTHERS): Remove.
851         (build_id_declarator): New.
852         (build_array_declarator, set_array_declarator_inner, groktypename,
853         start_decl, grokparm, push_parm_decl, grokparms, get_parm_info,
854         grokfield, start_function, store_parm_decls_newstyle,
855         store_parm_decls_oldstyle, store_parm_decls,
856         build_c_parm, build_attrs_declarator, build_function_declarator,
857         make_pointer_declarator, grokdeclarator): Update to new
858         structures.
859         * c-parse.in (%union): Add arginfotype, dtrtype, typenametype and
860         parmtype.
861         (declarator, notype_declarator, after_type_declarator,
862         parm_declarator, parm_declarator_starttypename,
863         parm_declarator_nostarttypename, array_declarator, typename,
864         absdcl, absdcl1, absdcl1_ea, absdcl1_noea, direct_absdcl1,
865         absdcl_maybe_attribute, parm, firstparm, parms, parmlist,
866         parmlist_1, parmlist_2, parmlist_or_identifiers,
867         parmlist_or_identifiers_1): Use these types.
868         (primary, after_type_declarator, parm_declarator_starttypename,
869         notype_declarator, component_decl, component_declarator,
870         component_notype_declarator, typename, absdcl,
871         absdcl_maybe_attribute, absdcl1_ea, direct_absdcl1, parmlist_1,
872         parmlist_2, parmlist_or_identifiers_1): Update to new structures.
873
874 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
875
876         * c-tree.h (C_DECL_USED, parser_obstack, in_alignof, in_sizeof,
877         in_typeof, record_maybe_used_decl, pop_maybe_used,
878         c_expr_sizeof_expr, c_expr_sizeof_type): New.
879         * c-decl.c (parser_obstack): New.
880         (c_init_decl_processing): Initialize parser_obstack.
881         (c_write_global_declarations_1): Check for used but undefined
882         static functions.
883         * c-parse.in (%union): Add otype.
884         (save_obstack_position): New.
885         (extdefs): Use it.
886         (unary_expr): Update in_sizeof and in_alignof.  Use
887         c_expr_sizeof_expr and c_expr_sizeof_type.
888         (sizeof): Update in_sizeof.
889         (alignof): Update in_alignof.
890         (typeof): Update in_typeof.
891         (typespec_nonreserved_nonattr): Call pop_maybe_used.
892         * c-typeck.c (in_alignof, in_sizeof, in_typeof, struct
893         maybe_used_decl, maybe_used_decls, record_maybe_used_decl,
894         pop_maybe_used, c_expr_sizeof_expr, c_expr_sizeof_type): New.
895         (build_external_ref): Set C_DECL_USED or call
896         record_maybe_used_decl if appropriate.
897         * toplev.c (check_global_declarations): Check TREE_NO_WARNING.
898
899 2004-09-08  Eric Christopher  <echristo@redhat.com>
900
901         * builtins.c: Fix prototype for fold_builtin_atan.
902
903 2004-09-08  Eric Christopher  <echristo@redhat.com>
904
905         * builtins.c (fold_builtin_strlen, fold_builtin_sqrt, fold_builtin_cbrt,
906         fold_builtin_pow, fold_builtin_sin, fold_builtin_cos, fold_builtin_tan,
907         fold_builtin_atan): New functions. Migrate function bodies...
908         (fold_builtin_1): ... from here.
909
910 2004-09-09  Alan Modra  <amodra@bigpond.net.au>
911
912         * config/rs6000/rs6000.c (rs6000_stack_info): Correct alignment of
913         save_size.
914
915 2004-09-08  David Edelsohn  <edelsohn@gnu.org>
916
917         * config/rs6000/power4.md (power4-lmul): du4 feeds iu1.
918         * config/rs6000/power5.md (power5-lmul): Same.
919
920 2004-09-08  Richard Henderson  <rth@redhat.com>
921
922         PR rtl-opt/17186
923         * function.c (expand_function_end): Have fall-off-the-end
924         return path jump around return register setup.
925
926 2004-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
927
928         * config/sparc/sparc.c (sparc_indent_opcode): New variable.
929         (output_return): Do not test for the presence of the 'unimp' insn.
930         Use 'current_function_uses_only_leaf_regs' and 'final_sequence'
931         as predicates instead of custom ones.  Return raw strings when
932         possible.
933         (output_sibcall): Likewise.  Concatenate strings.
934         (output_ubranch): Remove kludge for TurboSPARC.
935         (output_cbranch): Remove 'noop' parameter.  Do not output 'nop'.
936         (output_v9branch): Likewise.
937         (print_operand): Use 'final_sequence' instead of 'dbr_sequence_length'.
938         <#>: Set sparc_indent_opcode if the delay slot is filled.
939         <(>: Likewise.
940         <)>: New operand to emit the displacement from the saved PC on return.
941         <@>: Remove.
942         * config/sparc/sparc.h (sparc_indent_opcode): Declare it.
943         (ASM_OUTPUT_OPCODE): New macro.
944         (PRINT_OPERAND_PUNCT_VALID_P): Remove '^' and add ')'.
945         * config/sparc/sparc.md (normal_branch, inverted_branch,
946         normal_fp_branch, inverted_fp_branch, normal_fpe_branch,
947         inverted_fpe_branch): Adjust call to output_cbranch.
948         (normal_int_branch_sp64, inverted_int_branch_sp64): Adjust
949         call to output_v9branch.
950         * config/sparc/sparc-protos.h (output_cbranch): Adjust.
951         (output_v9branch): Likewise.
952
953 2004-09-08  Devang Patel  <dpatel@apple.com>
954
955         * config/darwin.h  (TARGET_OPTION_TRANSLATE_TABLE): Add -segaddr,
956         -segs_read_only_addr and -segs_read_write_addr.
957         (WORD_SWITCH_TAKES_ARG): Same.
958         (LINK_SPEC): Same.
959         * doc/invoke.texi: Document -segaddr, -segs_read_only_addr and
960         -segs_read_write_addr.
961
962 2004-09-08  Richard Henderson  <rth@redhat.com>
963
964         * function.c (reference_callee_copied): New.
965         (assign_parm_setup_reg): Use it.
966         * calls.c (initialize_argument_information): Likewise.
967         (emit_library_call_value_1): Likewise.
968         * function.h (reference_callee_copied): Declare.
969
970         * target.h (struct gcc_target): Add callee_copies.
971         * target-def.h (TARGET_CALLEE_COPIES): New.
972         (TARGET_PASS_BY_REFERENCE): Update default.
973         * expr.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
974         * targhooks.c (hook_callee_copies_named): New.
975         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false): Rename from
976         hook_pass_by_reference_false.
977         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true): New.
978         * targhooks.h: Update decls.
979         * config/arc/arc.c (TARGET_CALLEE_COPIES): New.
980         * config/arc/arc.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
981         * config/frv/frv-protos.h (frv_function_arg_callee_copies): Remove.
982         * config/frv/frv.c (frv_function_arg_callee_copies): Remove.
983         * config/frv/frv.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
984         * config/iq2000/iq2000.c (TARGET_CALLEE_COPIES): New.
985         * config/iq2000/iq2000.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
986         * config/m68hc11/m68hc11.c (TARGET_CALLEE_COPIES): New.
987         * config/m68hc11/m68hc11.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
988         * config/mips/mips.c (TARGET_CALLEE_COPIES): New.
989         (mips_callee_copies): New.
990         * config/mips/mips.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
991         * config/mmix/mmix.c (TARGET_CALLEE_COPIES): New.
992         * config/mmix/mmix.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
993         * config/mn10300/mn10300.c (TARGET_CALLEE_COPIES): New.
994         * config/mn10300/mn10300.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
995         * config/pa/pa.c (TARGET_CALLEE_COPIES): New.
996         * config/pa/pa.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
997         * config/sh/sh.c (sh_callee_copies): New.
998         (TARGET_CALLEE_COPIES): New.
999         * config/sh/sh.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
1000         * config/v850/v850.c (TARGET_CALLEE_COPIES): New.
1001         * config/v850/v850.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
1002         * doc/tm.texi (TARGET_CALLEE_COPIES): Replace documentation
1003         for FUNCTION_ARG_CALLEE_COPIES.
1004         * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Update.
1005
1006 2004-09-08  Devang Patel  <dpatel@apple.com>
1007
1008         * tree-if-conv.c (find_phi_replacement_condition): Return true
1009         edge block.
1010         (replace_phi_with_cond_modify_expr): Select conditional expr args
1011         based on true edge basic block.
1012
1013 2004-09-08  Jan Hubicka  <jh@suse.cz>
1014
1015         * tree-ssa-operands.c (add_stmt_operand): Use V_MUST_DEF even for
1016         variables being alias set.
1017
1018 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
1019
1020         * final.c (shorten_branches, final, get_insn_template,
1021         output_alternate_entry_point, final_scan_insn, alter_subreg,
1022         alter_cond, output_operand, asm_fprintf, final_forward_branch_p,
1023         leaf_renumber_regs_insn): Use gcc_assert and gcc_unreachable.
1024         * fix-header.c (lookup_std_proto): Likewise.
1025         * flow.c (first_insn_after_basic_block_note, verify_wide_reg,
1026         verify_local_live_at_start, update_life_info, mark_reg,
1027         calculate_global_regs_live, allocate_reg_life_data,
1028         init_propagate_block_info, mark_set_regs, flush_reg_cond_reg_1,
1029         ior_reg_cond, not_reg_cond, and_reg_cond, elim_reg_cond,
1030         attempt_auto_inc, mark_used_reg, mark_used_regs): Likewise.
1031         * fold-const.c (force_fit_type, div_and_round_double,
1032         may_negate_without_overflow_p, int_const_binop, const_binop,
1033         size_binop, size_diffop, fold_convert_const, fold_convert,
1034         invert_tree_comparison, swap_tree_comparison,
1035         comparison_to_compcode, compcode_to_comparison, invert_truthvalue,
1036         range_binop, make_range, fold_cond_expr_with_comparison,
1037         fold_div_compare, fold, fold_checksum_tree, fold_negate_const,
1038         fold_abs_const, fold_not_const, fold_relational_const, round_up,
1039         round_down): Likewise.
1040         * function.c (find_function_data, assign_stack_temp_for_type,
1041         instantiate_virtual_regs_lossage, aggregate_value_p,
1042         assign_parm_find_entry_rtl, assign_parm_setup_block,
1043         expand_function_start, expand_function_end, keep_stack_depressed,
1044         handle_epilogue_set, thread_prologue_and_epilogue_insns): Likewise.
1045
1046 2004-09-08  Daniel Berlin  <dberlin@dberlin.org>
1047
1048         * Makefile.in (tree-loop-linear.o): Added.
1049         (OBJS-common): Add tree-loop-linear.o
1050         * common.opt: New flag, ftree-loop-linear.
1051         * timevar.def: New timevar, TV_TREE_LOOP_LINEAR.
1052         * tree-flow.h: Add prototype for linear_transform_loops.
1053         * tree-optimize.c: Add linear transform after vectorization.
1054         * tree-pass.h: Add struct pass_linear_transform.
1055         * tree-ssa-loop.c: Add pass_linear_transform.
1056         * tree-loop-linear.c: New file.
1057         * lambda-code.c: gcc_assertify.
1058         (gcc_loop_to_lambda_loop): Handle all exit tests.
1059         Handle case where we have (invariant >= induction var).
1060         (find_induction_var_from_exit_cond): Ditto.
1061
1062 2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>
1063
1064         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
1065         memory tag is call clobbered, so are its aliases.
1066         (group_aliases): When two memory tags being grouped, if one is
1067         call clobbered, so are the other and its aliases.
1068         (add_may_alias): Remove call-clobbering stuff.
1069         (replace_may_alias): Likewise.
1070         (merge_pointed_to_info): Merge pt_global_mem
1071
1072 2004-09-08  Jan Hubicka  <jh@suse.cz>
1073
1074         * cgraph.c (cgraph_remove_node): Free DECL_INITIAL field of node.
1075         * cgraphunit.c (verify_cgraph): Don't verify on syntax errors.
1076         (cgraph_expand_function): Remove stale cgraph edges of currently
1077         compiled function; fix non-unit-at-a-time code copying function
1078         node for later reuse.
1079
1080 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
1081
1082         * vec.c (vec_p_reserve, vec_o_reserve): Rename to ...
1083         (vec_gc_p_reserve, vec_gc_o_reserve): ... here. Clone to
1084         (vec_heap_p_reserve, vec_heap_o_reserve): ... here, adjust.
1085         (vec_gc_free, vec_heap_free): New.
1086         * vec.h (DEF_VEC_GC_P, DEF_VEC_MALLOC_P): New.
1087         (DEF_VEC_P): Add allocator argument. Adjust.
1088         (DEF_VEC_GC_O, DEF_VEC_MALLOC_O): New.
1089         (DEF_VEC_O): Add allocator argument. Adjust.
1090         (VEC(free)): New.
1091
1092         * tree.h (tree): Define a GC'd vector.
1093         * lamba-code.c (lambda_loop): Likewise.
1094         * value-prof.h (histogram_value): Likewise.
1095
1096 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
1097
1098         * emit-rtl.c (immed_double_const): Use gcc_assert and gcc_unreachable.
1099         (gen_rtx_SUBREG, gen_reg_rtx, mark_user_reg, subreg_hard_regno,
1100         gen_lowpart_common, gen_highpart, gen_highpart_mode,
1101         subreg_highpart_offset, operand_subword, operand_subword_force,
1102         mem_expr_equal_p, set_mem_attributes_minus_bitpos,
1103         set_mem_alias_set, change_address_1, verify_rtx_sharing,
1104         copy_most_rtx, set_first_insn, set_last_insn, prev_cc0_setter,
1105         try_split, add_insn_after, add_insn_before, remove_insn,
1106         remove_unnecessary_notes, emit_insn_before, emit_jump_insn_before,
1107         emit_call_insn_before, emit_insn_after, emit_jump_insn_after,
1108         emit_call_insn_after, emit_insn, emit_jump_insn, emit_call_insn,
1109         set_unique_reg_note, emit, push_to_full_sequence, copy_insn_1,
1110         gen_const_vector_0, emit_copy_of_insn_after): Likewise.
1111         * et-forest.c (set_prev, set_next, et_check_occ_sanity,
1112         record_path_before_1, check_path_after_1, check_path_after): Likewise.
1113         * except.c (gen_eh_region, resolve_one_fixup_region,
1114         remove_unreachable_regions, convert_from_eh_region_ranges_1,
1115         add_ehl_entry, duplicate_eh_region_1, build_post_landing_pads,
1116         connect_post_landing_pads, sjlj_emit_function_exit,
1117         remove_exception_handler_label, remove_eh_handler,
1118         reachable_next_level, collect_one_action_chain,
1119         output_function_exception_table): Likewise.
1120         * explow.c (trunc_int_for_mode, copy_to_mode_reg,
1121         optimize_save_area_alloca, allocate_dynamic_stack_space,
1122         probe_stack_range, hard_function_value): Likewise.
1123         * expmed.c (mode_for_extraction, store_bit_field,
1124         store_fixed_bit_field, extract_bit_field, expand_shift,
1125         expand_mult_const, expand_mult, choose_multiplier,
1126         expand_mult_highpart, expand_divmod, emit_store_flag,
1127         do_cmp_and_jump): Likewise.
1128         * expr.c (convert_move, convert_modes, move_by_pieces,
1129         move_by_pieces_ninsns, move_by_pieces_1, emit_block_move,
1130         move_block_from_reg, gen_group_rtx, emit_group_load,
1131         emit_group_move, emit_group_store, use_reg, use_regs,
1132         can_store_by_pieces, store_by_pieces, store_by_pieces_1,
1133         emit_move_insn, emit_move_insn_1, emit_push_insn,
1134         expand_assignment, store_expr, count_type_elements,
1135         store_constructor, store_field, safe_from_p, expand_var,
1136         expand_expr_addr_expr, expand_expr_real_1, do_store_flag): Likewise.
1137
1138 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
1139
1140         * dbxout.c (dbxout_type, dbxout_type_name, dbxout_symbol): Use
1141         gcc_assert and gcc_unreachable.
1142         * ddg.c (create_ddg_dependence, add_deps_for_def,
1143         add_deps_for_use, create_ddg, add_edge_to_ddg): Likewise.
1144         * df.c (df_ref_unlink, df_ref_record, df_uses_record,
1145         df_reg_def_chain_create, df_reg_use_chain_create, df_analyze,
1146         df_insn_delete, df_refs_reg_replace, df_ref_reg_replace,
1147         df_insns_modify, df_pattern_emit_before, df_bb_reg_live_start_p,
1148         df_bb_reg_live_end_p, df_bb_regs_lives_compare,
1149         df_bb_single_def_use_insn_find, dataflow_set_a_op_b,
1150         dataflow_set_copy, hybrid_search, diagnostic.c,
1151         diagnostic_build_prefix, diagnostic_count_diagnostic): Likewise.
1152         * dojump.c (do_jump): Likewise.
1153         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
1154         compute_dom_fast_query, calculate_dominance_info,
1155         free_dominance_info, get_immediate_dominator,
1156         set_immediate_dominator, get_dominated_by,
1157         redirect_immediate_dominators, nearest_common_dominator,
1158         dominated_by_p, verify_dominators, recount_dominator,
1159         iterate_fix_dominators, add_to_dominance_info,
1160         delete_from_dominance_info): Likewise.
1161         * dwarf2asm.c (size_of_encoded_value, eh_data_format_name,
1162         dw2_asm_output_delta_uleb128, dw2_asm_output_delta_sleb128,
1163         dw2_force_const_mem, dw2_asm_output_encoded_addr_rtx): Likewise.
1164         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes, reg_save,
1165         initial_return_save, stack_adjust_offset, dwarf2out_stack_adjust,
1166         flush_queued_reg_saves, dwarf2out_frame_debug_expr,
1167         dwarf2out_frame_debug, dw_cfi_oprnd1_desc, output_cfi,
1168         output_call_frame_info, output_loc_operands, build_cfa_loc,
1169         decl_ultimate_origin, AT_flag, AT_int, AT_unsigned, AT_string,
1170         AT_string_form, add_AT_specification, AT_ref, set_AT_ref_external,
1171         AT_loc, AT_loc_list, AT_addr, AT_lbl, add_child_die,
1172         splice_child_die, attr_checksum, same_dw_val_p,
1173         break_out_includes, build_abbrev_table, size_of_die, mark_dies,
1174         unmark_dies, value_format, output_loc_list, output_die,
1175         output_pubnames, output_aranges, base_type_die, is_base_type,
1176         modified_type_die, dbx_reg_number, multiple_reg_loc_descriptor,
1177         mem_loc_descriptor, loc_descriptor, loc_descriptor_from_tree_1,
1178         field_byte_offset, add_data_member_location_attribute,
1179         add_const_value_attribute, rtl_for_decl_location,
1180         add_location_or_const_value_attribute, add_byte_size_attribute,
1181         add_bit_offset_attribute, add_bit_size_attribute,
1182         add_abstract_origin_attribute, pop_decl_scope, scope_die_for,
1183         decl_start_label, gen_formal_parameter_die,
1184         gen_type_die_for_member, gen_subprogram_die, gen_label_die,
1185         gen_typedef_die, gen_type_die, gen_tagged_type_instantiation_die,
1186         force_decl_die, force_type_die, gen_decl_die,
1187         dwarf2out_imported_module_or_decl, prune_unused_types_prune,
1188         dwarf2out_finish): Likewise.
1189
1190 2004-09-08  Andreas Tobler  <toa@pop.agri.ch>
1191
1192         * Makefile.in (builtins.o): Depend on tree-mudflap.h.
1193         * builtins.c: Include tree-mudflap.h.
1194
1195 2004-09-08  Uros Bizjak  <uros@kss-loka.si>
1196
1197         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
1198         force operand 0.0 into register in XFmode. Also do not force
1199         operand 0.0 into register if !TARGET_CMOVE.
1200         * config/i386/i386.md (*cmpfp_0): Delete. Remove comment.
1201         (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf): New patterns to
1202         implement ftst x87 instruction.
1203         (*fp_jcc_7): New insn pattern. Change corresponding split
1204         pattern to handle "general_operand" instead of
1205         "nonimmediate_operand".
1206
1207 2004-09-08  Ben Elliston  <bje@au.ibm.com>
1208
1209         * doc/rtl.texi (Insns): Document NOTE_INSN_FUNCTION_BEG.
1210
1211 2004-09-07  Frank Ch. Eigler  <fche@redhat.com>
1212
1213         * builtins.c (std_gimplify_va_arg_expr): Mark INDIRECT_REF nodes
1214         generated from standard va_arg expansion.
1215         * tree-mudflap.c (mx_xform_derefs_1): Omit instrumentation from
1216         marked nodes.
1217         (mf_varname_tree, mf_file_function_line_tree): Add some support
1218         for column numbers if compiled with USE_MAPPED_LOCATION.
1219
1220 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
1221
1222         * c-decl.c (groktypename_in_parm_context): Remove function.
1223         * c-tree.h (groktypename_in_parm_context): Remove prototype.
1224
1225 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
1226
1227         * Makefile.in (c-parse.o): Depend on $(C_COMMON_H).
1228         * c-parse.in: Include c-common.h instead of objc-act.h.
1229         (ivar_decl_list, ivar_decls, ivar_decl, ivars, ivar_declarator,
1230         myparms, myparm): Remove %type declarations.
1231         (methodtype, optparms, OBJC_TYPE_QUAL, objc_quals, objc_qual,
1232         objc_typename, objc_try_catch_stmt, optellipsis): Add %type
1233         declarations.
1234         (objc_inherit_code, objc_public_flag): Remove.
1235         (typespec_nonreserved_nonattr): Call
1236         objc_get_protocol_qualified_type() instead of get_static_reference()
1237         and get_protocol_reference().
1238         (stmt_nocomp): Call grokparm() on @catch parameter.
1239         (objcdef): Move semantic action to objc_finish_implementation().
1240         (classdef): Move semantic action to objc_start_class_interface(),
1241         objc_continue_interface(), objc_finish_interface(),
1242         objc_start_class_implementation(), objc_continue_implementation(),
1243         objc_start_category_interface() and
1244         objc_start_category_implementation().
1245         (protocoldef): Move semantic actions to objc_start_protocol() and
1246         objc_finish_interface().
1247         (ivar_decl_list): Remove nonterminal.
1248         (visibility_spec): Move semantic actions to objc_set_visibility().
1249         (ivar_decls): Remove assignment to $$.
1250         (ivar_decl): Rephrase in terms of component_decl; call
1251         objc_add_instance_variable().
1252         (ivars, ivar_declarator): Remove nonterminals.
1253         (opt_semi): New nonterminal.
1254         (methodtype): Remove semantic actions.
1255         (methoddef): Move semantic actions to objc_set_method_type(),
1256         objc_start_method_definition() and objc_finish_method_definition().
1257         (methodproto): Move semantic actions to objc_set_method_type() and
1258         objc_add_method_declaration().
1259         (methoddecl): Use objc_typename instead of typename; move semantic
1260         actions to objc_build_method_signature().
1261         (optarglist, myxdecls, mydecl, myparms, myparm): Remove nonterminals.
1262         (optparmlist): Express in terms of optparms and optellipsis.
1263         (optparms, optellipsis, objc_qual, objc_quals, objc_typename): New
1264         nonterminals.
1265         (keyworddecl): Use objc_typename instead of typename.
1266         (rid_to_yy): Mark RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF
1267         and RID_ONEWAY as returning OBJC_TYPE_QUAL to yyparse().
1268
1269 2004-09-08  Alan Modra  <amodra@bigpond.net.au>
1270
1271         * doc/tm.texi (MD_UNWIND_SUPPORT): Document.
1272         (MD_FALLBACK_FRAME_STATE_FOR): Update.
1273         * unwind-dw2.c (MD_UNWIND_SUPPORT): #include if defined.
1274         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
1275         (MD_FROB_UPDATE_CONTEXT): Remove default.
1276         (uw_update_context_1): Instead #ifdef invocation.
1277         * config/ia64/unwind-ia64.c (MD_UNWIND_SUPPORT): #include if defined.
1278         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
1279         * config/alpha/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Don't undef.
1280         (MD_UNWIND_SUPPORT): Undefine this instead.
1281         * config/i386/gnu.h: Likewise.
1282         * config/alpha/linux-unwind.h: New file, macro converted to
1283         function, extracted from..
1284         * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): ..this.
1285         (MD_UNWIND_SUPPORT): Define.
1286         * config/alpha/vms-unwind.h, config/alpha/vms.h: Likewise.
1287         * config/i386/linux-unwind.h, config/i386/linux.h,
1288         config/i386/linux64.h: Likewise.
1289         * config/ia64/linux-unwind.h, config/ia64/linux.h: Likewise.
1290         MD_HANDLE_UNWABI too.
1291         * config/mips/linux-unwind.h, config/mips/linux.h: Likewise.
1292         * config/pa/linux-unwind.h, config/pa/pa32-linux.h: Likewise.
1293         * config/rs6000/darwin-unwind.h, config/rs6000/darwin.h: Likewise.
1294         * config/s390/linux-unwind.h, config/s390/linux.h: Likewise.
1295         * config/sparc/linux-unwind.h, config/sparc/linux.h,
1296         config/sparc/linux64.h: Likewise.
1297         * config/sh/linux-unwind.h, config/sh/linux.h: Likewise, but merge
1298         SH_FALLBACK_FRAME_FLOAT_STATE into sh_fallback_frame_state.
1299         * config/rs6000/linux-unwind.h, config/rs6000/linux.h,
1300         config/rs6000/linux64.h: Likewise.  Split out get_sigcontext
1301         function.  Use ARG_POINTER_REGNUM for 32-bit temp reg too.
1302
1303 2004-09-07  Jan Hubicka  <jh@suse.cz>
1304
1305         * cse.c (fold_rtx):  Avoid building of
1306         (CONST (MINUS (CONST_INT) (SYMBOL_REF)))
1307
1308         * tree-ssa-pre.c (grand_bitmap_obstack): New.
1309         (value_insert_into_set_bitmap, bitmap_set_new): Use the obstack.
1310         (init_pre): Initialize obstack.
1311         (fini_pre): Free obstack.
1312
1313 2004-09-07  David Daney  <ddaney@avtrex.com>
1314
1315         * config.gcc: Added support for --with-divide=[breaks|traps] for
1316         mips targets.
1317         * config/mips/mips.h (MASK_DIVIDE_BREAKS): New target_flags bit.
1318         (TARGET_DIVIDE_TRAPS): New macro.
1319         (TARGET_SWITCHES): Added -mdivide-traps and -mdivide-breaks.
1320         (OPTION_DEFAULT_SPECS): Added --with-divide= support.
1321         * config/mips/mips.c (mips_idiv_insns): Generate proper count on
1322         GENERATE_DIVIDE_TRAPS.
1323         (mips_output_division): Emit conditional trap if
1324         GENERATE_DIVIDE_TRAPS is set.
1325         * doc/install.texi: Document --with-divide.
1326         * doc/invoke.texi: Document -mdivide-traps and -mdivide-breaks.
1327
1328 2004-09-07  Caroline Tice  <ctice@apple.com>
1329
1330         * cfgrtl.c (rtl_verify_flow_info_1):  Add new edge flag,
1331         EDGE_CROSSING, to flags test case.
1332
1333 2004-09-07  Jan Hubicka  <jh@suse.cz>
1334
1335         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Deal with '<'
1336         class too.
1337
1338 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
1339
1340         * cfganal.c (flow_depth_first_order_compute, dfs_enumerate_from,
1341         cfgbuild.c, inside_basic_block_p, control_flow_insn_p,
1342         make_label_edge, make_edges, find_basic_blocks_1): Use gcc_assert
1343         or gcc_unreachable.
1344         * cfg.c (clear_edges, initialize_bb_rbi, compact_blocks,
1345         remove_edge, alloc_aux_for_blocks, free_aux_for_blocks,
1346         alloc_aux_for_edges, free_aux_for_edges): Likewise.
1347         * cfgcleanup.c (try_forward_edges,
1348         merge_blocks_move_predecessor_nojumps,
1349         merge_blocks_move_successor_nojumps): Likewise.
1350         * cfgexpand.c (expand_gimple_cond_expr,
1351         expand_gimple_tailcall): Likewise.
1352         * cfghooks.c (duplicate_block): Likewise.
1353         * cfglayout.c (record_effective_endpoints,
1354         insn_locators_initialize, change_scope, fixup_reorder_chain,
1355         verify_insn_chain, fixup_fallthru_exit_predecessor,
1356         duplicate_insn_chain, cfg_layout_finalize): Likewise.
1357         * cfgloopanal.c (check_irred): Likewise.
1358         * cfgloop.c (superloop_at_depth, flow_loops_free,
1359         flow_loop_entry_edges_find, flow_loops_find,
1360         flow_loop_outside_edge_p, get_loop_body,
1361         get_loop_body_in_dom_order, get_loop_body_in_bfs_order,
1362         get_loop_exit_edges, num_loop_branches, cancel_loop,
1363         verify_loop_structure): Likewise.
1364         cfgloopmanip.c (find_path, remove_path, loop_delete_branch_edge,
1365         duplicate_loop_to_header_edge, create_preheader,
1366         create_loop_notes): Likewise.
1367         * cfgrtl.c (delete_insn, try_redirect_by_replacing_jump,
1368         edirect_branch_edge, force_nonfallthru_and_redirect,
1369         rtl_split_edge, insert_insn_on_edge, commit_one_edge_insertion,
1370         commit_edge_insertions, commit_edge_insertions_watch_calls,
1371         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
1372         cfg_layout_redirect_edge_and_branch_force,
1373         cfg_layout_merge_blocks, rtl_flow_call_edges_add): Likewise.
1374         * cgraph.c (cgraph_node, cgraph_create_edge, cgraph_remove_edge,
1375         cgraph_redirect_edge_callee, cgraph_global_info, cgraph_rtl_info,
1376         cgraph_varpool_node): Likewise.
1377         * cgraphunit.c (cgraph_finalize_function,
1378         cgraph_finalize_compilation_unit, cgraph_mark_functions_to_output,
1379         cgraph_expand_function, cgraph_remove_unreachable_nodes,
1380         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
1381         cgraph_mark_inline, cgraph_expand_all_functions,
1382         cgraph_build_static_cdtor): Likewise.
1383         * combine.c  (do_SUBST, try_combine, subst, combine_simplify_rtx,
1384         simplify_logical, distribute_notes, insn_cuid): Likewise.
1385         * conflict.c (conflict_graph_add, print_conflict): Likewise.
1386         * coverage.c (rtl_coverage_counter_ref, tree_coverage_counter_ref,
1387         coverage_checksum_string): Likewise.
1388         * cse.c (make_new_qty, make_regs_eqv, insert, invalidate,
1389         hash_rtx, exp_equiv_p, cse_basic_block, count_reg_usage,
1390         cse_cc_succs, cse_condition_code_reg): Likewise.
1391         * cselib.c (entry_and_rtx_equal_p, remove_useless_values,
1392         rtx_equal_for_cselib_p, wrap_constant, cselib_hash_rtx,
1393         new_cselib_val, cselib_subst_to_values, cselib_invalidate_regno,
1394         cselib_record_set): Likewise.
1395
1396 2004-09-07  Jan Hubicka  <jh@suse.cz>
1397
1398         * tree-ssa-loop-ivopts.c (iv_value): Avoid invalid sharing on niter.
1399
1400 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
1401
1402         * builtins.c (fold_builtin_strchr): Use build_int_cst, not
1403         fold_convert.
1404         (fold_builtin_strpbrk): Likewise.
1405         * expr.c (array_ref_low_bound): Likewise.
1406         * tree-scalar-evolution.c (chrec_is_positive, add_to_evolution_1,
1407         interpret_rhs_modify_expr, number_of_iterations_in_loop): Likewise.
1408         * tree-sra.c (generate_element_zero): Likewise.
1409         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
1410         * tree-ssa-loop-ivopts.c (determine_biv_step, idx_find_step,
1411         add_old_iv_candidates, add_iv_candidates): Likewise.
1412         * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
1413
1414 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
1415
1416         * c-aux-info.c (gen_type): Use gcc_assert or gcc_unreachable.
1417         * c-common.c (c_type_hash, c_common_nodes_and_builtins,
1418         c_expand_expr, boolean_increment, nonnull_check_p,
1419         check_function_arguments_recurse, fold_offsetof_1): Likewise.
1420         * c-cppbuiltin.c (define__GNUC__, builtin_define_stdint_macros,
1421         builtin_define_type_max): Likewise.
1422         * c-decl.c (bind, pop_scope, merge_decls, pushdecl_top_level,
1423         implicit_decl_warning, builtin_function, build_compound_literal,
1424         complete_array_type, grokdeclarator, get_parm_info,
1425         start_function, store_parm_decls_oldstyle,
1426         c_write_global_declarations): Likewise.
1427         * c-format.c (get_constant, decode_format_attr,
1428         maybe_read_dollar_number, get_flag_spec, check_format_arg,
1429         check_format_types, format_type_warning,
1430         find_char_info_specifier_index, init_dynamic_asm_fprintf_info,
1431         init_dynamic_diag_info, handle_format_attribute): Likewise.
1432         * c-gimplify.c (push_context, pop_context, finish_bc_block):
1433         * c-lex.c (c_lex_with_flags, lex_string): Likewise.
1434         * c-objc-common.c (c_tree_printer): Likewise.
1435         * c-pch.c (pch_init): Likewise.
1436         * c-pragma.c (maybe_apply_pragma_weak): Likewise.
1437         * c-pretty-print.c (pp_c_tree_decl_identifier): Likewise.
1438         * c-typeck.c (c_incomplete_type_error, composite_type,
1439         common_pointer_type, common_type, same_translation_unit_p,
1440         tagged_types_tu_compatible_p, finish_init, pop_init_level,
1441         set_designator, set_nonincremental_init_from_string,
1442         process_init_element, c_finish_if_stmt): Likewise.
1443         * caller-save.c (init_caller_save, save_call_clobbered_regs,
1444         insert_restore, insert_save, insert_one_insn): Likewise.
1445         * calls.c (emit_call_1, compute_argument_block_size,
1446         precompute_arguments, expand_call, emit_library_call_value_1,
1447         store_one_arg): Likewise.
1448
1449 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
1450
1451         * configure.ac (enable-checking): Add release option. Reorganize
1452         to avoid repetition.
1453         * configure: Rebuilt.
1454         * doc/install.texi (enable-checking): Amend documentation.
1455
1456 2004-09-06  H.J. Lu  <hongjiu.lu@intel.com>
1457
1458         PR bootstrap/17313
1459         * Makefile.in (specs.ready): Depend on cc1$(exeext).
1460
1461 2004-09-06  James E Wilson  <wilson@specifixinc.com>
1462
1463         * config/mips/mips.md (movsf_hardfloat, movdf_hardfloat_64bit,
1464         movdf_hardfloat_32bit): Split fG into two alternatives.
1465         (movv2sf_hardfloat_64bit): Split fYG into two alternatives.
1466
1467         * emit-rtl.c (try_split): Check INSN_P before may_trap_p call.
1468
1469 2004-09-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
1470
1471         * final.c (output_in_slot): Delete.
1472         (final_scan_insn): Revert 2004-09-03 change.
1473         (output_asm_insn): Likewise.
1474         * config/sparc/sparc.c (output_return): Likewise.
1475         (output_sibcall): Likewise.
1476
1477 2004-09-06  Jan Hubicka  <jh@suse.cz>
1478
1479         * loop.c (loop_dump_aux): Do not print RTL when not available.
1480         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates): Do not use
1481         frontend specific type nodes.
1482         (produce_memory_decl_rtl): Break out from ...
1483         (prepare_decl_rtl): ... here.  Handle ADDR_EXPR correctly.
1484         (get_computation_at): Avoid random tree sharing.
1485         (tree_ssa_iv_optimize): Verify tree sharing; dump loops.
1486
1487 2004-09-06  Zack Weinberg  <zack@codesourcery.com>
1488
1489         * Makefile.in (rtl.o, bitmap.o): Correct dependencies, remove
1490         unnecessary commands.
1491
1492 2004-09-06  Mohan Embar  <gnustuff@thisiscool.com>
1493
1494         * Makefile.in (rtl.o): Remove -DGENERATOR_FILE.
1495         (bitmap.o): Likewise.
1496
1497 2004-09-06  Paolo Bonzini  <bonzini@gnu.org>
1498
1499         Unify the management of RTL and tree-level dump files.
1500
1501         * cfgexpand.c (tree_expand_cfg): Fix incorrect comment.
1502         Don't print function name to the dump file, the pass manager
1503         would do this for us. Add code from the top of
1504         rest_of_compilation, up to the initial RTL dump.
1505         * passes.c (rest_of_handle_jump): Call fixup_tail_calls and
1506         close the DFI_sibling dump file.
1507         (rest_of_compilation): Don't do that here.  Remove code up to the
1508         initial RTL dump.
1509         (init_optimization_passes): Remove.
1510         (pass_rest_of_compilation): Change pass name to NULL.
1511         * toplev.c (lang_dependent_init): Do not use an empty dump file prefix.
1512         Do not call init_optimization_passes.
1513         * toplev.h (init_optimization_passes): Remove.
1514
1515         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
1516         finish_graph_dump_file): Remove SUFFIX parameter.
1517         * graph.h (print_rtl_graph_with_bb, clean_graph_dump_file,
1518         finish_graph_dump_file): Likewise.
1519
1520         * tree-pass.h (struct tree_opt_pass): Add `letter' field.
1521         * cfgexpand.c (pass_expand): Adjust.
1522         * gimple-low.c (pass_lower_cf, pass_remove_useless_vars): Adjust.
1523         * passes.c (pass_rest_of_compilation): Adjust.
1524         * predict.c (pass_profile): Adjust.
1525         * tree-alias-common.c (pass_build_pta, pass_del_pta): Adjust.
1526         * tree-cfg.c (pass_build_cfg, pass_remove_useless_stmts,
1527         pass_split_crit_edges, pass_warn_function_return): Adjust.
1528         * tree-complex.c (pass_lower_vector_ssa, pass_pre_expand): Adjust.
1529         * tree-dfa.c (pass_referenced_vars): Adjust.
1530         * tree-eh.c (pass_lower_eh): Adjust.
1531         * tree-if-conv.c (pass_build_ssa): Adjust.
1532         * tree-into-ssa.c (pass_build_ssa): Adjust.
1533         * tree-mudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
1534         * tree-nomudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
1535         * tree-nrv.c (pass_nrv): Adjust.
1536         * tree-optimize.c (pass_gimple, pass_all_optimizations,
1537         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
1538         pass_init_datastructures): Adjust.
1539         * tree-outof-ssa.c (pass_del_ssa): Adjust.
1540         * tree-profile.c (pass_tree_profile): Adjust.
1541         * tree-sra.c (pass_sra): Adjust.
1542         * tree-ssa-alias.c (pass_may_alias): Adjust.
1543         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Adjust.
1544         * tree-ssa-copyrename.c (pass_rename_ssa_copies): Adjust.
1545         * tree-ssa-dce.c (pass_dce, pass_cd_dce): Adjust.
1546         * tree-ssa-dom.c (pass_dominator): Adjust.
1547         * tree-ssa-dse.c (pass_dse): Adjust.
1548         * tree-ssa-forwprop.c (pass_forwprop): Adjust.
1549         * tree-ssa-if-conv.c (pass_if_conversion): Adjust.
1550         * tree-ssa-loop-ch.c (pass_ch): Adjust.
1551         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_lim,
1552         pass_loop_done, pass_complete_unroll, pass_iv_canon,
1553         pass_iv_optimize, pass_vectorize): Adjust.
1554         * tree-ssa-phiopt.c (pass_phiopt): Adjust.
1555         * tree-ssa-pre.c (pass_pre, pass_fre): Adjust.
1556         * tree-ssa.c (pass_redundant_phi, pass_early_warn_uninitialized,
1557         pass_late_warn_uninnitialized): Adjust.
1558         * tree-tailcall.c (pass_tail_recursion, pass_tail_calls): Adjust.
1559
1560         * Makefile.in (tree-dump.o): Add new dependencies.
1561         * cgraph.c (cgraph_remove_node): TDF_all -> TDF_tree_all.
1562         * cgraphunit.c (cgraph_preserve_function_body_p, cgraph_optimize):
1563         Likewise.
1564         * toplev.c (dump_file_name): New.
1565         * tree-dump.c (dump_enable_all): Add LETTER parameter.
1566         (struct dump_file_info): Add NUM and LETTER fields.
1567         (dump_files): Adjust and add RTL dump files.
1568         (dump_register): Add NUM and LETTER fields.
1569         (get_dump_file_name, dump_initialized_p, enable_rtl_dump_file): New.
1570         (dump_begin): Use get_dump_file_name.
1571         (dump_switch_p_1): Adjust call to dump_enable_all.
1572         * tree-dump.h (dump_register): Adjust prototype.
1573         * tree-optimize.c (register_one_dump_file): Take dump file index.
1574         Support flags for RTL dumps.
1575         (register_dump_files): Fill in NUM field of struct dump_file_info.
1576         Track properties both when the gate is executed and when it is not.
1577         (execute_todo): Dump RTL.  Add PROPERTIES parameter.
1578         (execute_one_pass): Pass properties to execute_todo.  Handle VCG
1579         dumps of RTL.
1580         * tree-pass.h (dump_file_name): New.
1581         * tree.h (TDF_TREE, TDF_RTL, get_dump_file_name, dump_initialized_p):
1582         New.
1583
1584         * Makefile.in (passes.o): Add new dependencies.
1585         * passes.c (struct dump_file_info, enum dump_file_index,
1586         dump_file_tbl, init_optimization_passes): Remove.
1587         (open_dump_file, close_dump_file): Use tree-dumping infrastructure.
1588         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc): Use
1589         dump_enabled_p.
1590         (finish_optimization_passes): Update finish_graph_dump_file loop.
1591         (enable_rtl_dump_file): Remove.
1592         * tree-dump.c (dump_files): Adjust and add RTL dump files.
1593         (enable_rtl_dump_file): Add here.
1594         * tree.h (enum tree_dump_index): Add RTL dump file indices.
1595         * doc/invoke.texi (Debugging options): Document new RTL debugging
1596         options.  Update.
1597
1598 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
1599
1600         * c-common.c, c-decl.c, combine.c, defaults.h, fold-const.c,
1601         gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
1602         stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
1603         tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
1604         tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
1605         tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
1606         tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
1607         vec.h: Fix comment formatting.
1608
1609 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
1610
1611         * c-common.c, cfgexpand.c, cgraphunit.c, defaults.h,
1612         et-forest.c, expr.c, gimplify.c, global.c, gthr-lynx.h,
1613         hard-reg-set.h, modulo-sched.c, optabs.c, postreload-gcse.c,
1614         tree-data-ref.c, tree-flow.h, tree-if-conv.c, tree-inline.c,
1615         tree-sra.c, tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
1616         tree-ssa-loop-niter.c, tree-ssa-operands.c,
1617         tree-ssa-operands.h, tree-ssa-propagate.c,
1618         tree-ssa-propagate.h, tree-ssa-threadupdate.c, value-prof.c,
1619         vec.c, vec.h: Fix comment typos.  Follow spelling conventions.
1620
1621 2004-09-05  Diego Novillo  <dnovillo@redhat.com>
1622
1623         * tree-if-conv.c (gate_tree_if_conversion): Enable only if the
1624         vectorizer is enabled.
1625
1626 2004-09-05  Andreas Jaeger  <aj@suse.de>
1627
1628         * tree-if-conv.c: Spell check comments and clean up whitespace.
1629
1630 2004-09-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1631
1632         * tree-ssa-loop-ivopts.c: New file.
1633         * Makefile.in (tree-ssa-loop-ivopts.c): Add.
1634         * cfgloop.h (target_avail_regs, target_res_regs, target_small_cost,
1635         target_pres_cost, target_spill_cost): Declare.
1636         * cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost,
1637         spill_cost): Renamed to ...
1638         (target_avail_regs, target_res_regs, target_small_cost,
1639         target_pres_cost, target_spill_cost): ... and exported.
1640         (init_set_costs, global_cost_for_size): Work with renamed variables.
1641         * common.opt (flag_ivopts): New flag.
1642         * expr.c (expand_expr_real_1): Handle SSA_NAME case.  Handle
1643         REF_ORIGINAL.
1644         * gimplify.c (struct gimplify_ctx): Add into_ssa field.
1645         (internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support
1646         generating SSA form.
1647         (force_gimple_operand): New function.
1648         * timevar.def (TV_TREE_LOOP_IVOPTS): New timevar.
1649         * tree-cfg.c (stmt_bsi): New function.
1650         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
1651         PARAM_IV_MAX_CONSIDERED_USES): New.
1652         * tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge,
1653         bsi_insert_on_edge_immediate_loop. standard_iv_increment_position,
1654         ip_end_pos, ip_normal_pos, force_gimple_operand): Declare.
1655         * tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names.
1656         * tree-nested.c (build_addr): Export.
1657         * tree-optimize.c (init_tree_optimization_passes): Add
1658         pass_iv_optimize.
1659         * tree-pass.h (pass_iv_optimize): Declare.
1660         * tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and
1661         IMAGPART_EXPR.
1662         * tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable
1663         as a phi node argument.
1664         (split_loop_exit_edge, bsi_insert_on_edge_immediate_loop,
1665         ip_end_pos, ip_normal_pos, standard_iv_increment_position): New
1666         functions.
1667         * tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export.
1668         * tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts,
1669         pass_iv_optimize): New pass.
1670         * tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL.
1671         * tree-ssanames.c (release_ssa_name): Allow calling with var = NULL.
1672         * tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions.
1673         * tree.h (REF_ORIGINAL): New macro.
1674         (build_int_cst_type, unsigned_type_for, zero_p,
1675         cst_and_fits_in_hwi, build_addr): Declare.
1676         * doc/invoke.texi (-fivopts): Document.
1677         (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
1678         PARAM_IV_MAX_CONSIDERED_USES): Document.
1679         * doc/passes.texi: Document induction variable optimizations pass.
1680
1681 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1682
1683         * builtin-attrs.def (ATTR_NOTHROW_SENTINEL_1): New.
1684         * builtins.def (BUILT_IN_EXECLE): Set ATTR_NOTHROW_SENTINEL_1.
1685         * c-common.c (c_common_attribute_table): Accept parameters to
1686         sentinel attribute.
1687         (check_function_sentinel, handle_sentinel_attribute): Likewise.
1688         * doc/extend.texi: Update accordingly.
1689
1690 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1691
1692         * builtin-attrs.def (ATTR_SENTINEL, ATTR_SENTINEL_NOTHROW_LIST):
1693         New.
1694         * builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP): Add `sentinel'
1695         attribute.
1696         * c-common.c (handle_sentinel_attribute, check_function_sentinel):
1697         New functions.
1698         (c_common_attribute_table): Add `sentinel' attribute.
1699         (check_function_arguments): Handle `sentinel' attribute.
1700         * doc/extend.texi: Document `sentinel' attribute.
1701
1702 2004-09-04  H.J. Lu  <hongjiu.lu@intel.com>
1703
1704         * configure: Regenerated.
1705
1706 2004-09-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1707
1708         * gimplify.c (internal_get_tmp_var): Remove unused var CLASS.
1709
1710         * tree.c (save_expr): No longer TREE_READONLY.
1711
1712 2004-09-04  Jan Hubicka  <jh@suse.cz>
1713
1714         * passes.c (rest_of_clean_state):  Fix merge conflict made during
1715         commiting the patch.
1716
1717 2004-09-04  Jan Hubicka  <jh@suse.cz>
1718
1719         * passes.c (rest_of_clean_state):  Decompose the instruction stream.
1720
1721 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
1722
1723         * doc/md.texi (shift patterns): New anchor.  Add reference to
1724         TARGET_SHIFT_TRUNCATION_MASK.
1725         * doc/tm.texi (TARGET_SHIFT_TRUNCATION_MASK): Document.
1726         * target.h (shift_truncation_mask): New target hook.
1727         * targhook.h (default_shift_truncation_mask): Declare.
1728         * targhook.c (default_shift_truncation_mask): Define.
1729         * target-def.h (TARGET_SHIFT_TRUNCATION_MASK): Define.
1730         (TARGET_INITIALIZER): Include it.
1731         * simplify-rtx.c (simplify_binary_operation): Combine ASHIFT, ASHIFTRT
1732         and LSHIFTRT cases.  Truncate arg1 if SHIFT_COUNT_TRUNCATED, otherwise
1733         reject all out-of-range values.  Fix sign-extension code for modes
1734         whose width is smaller than HOST_BITS_PER_WIDE_INT.
1735         * optabs.c (simplify_expand_binop, force_expand_binop): New functions.
1736         (expand_superword_shift, expand_subword_shift): Likewise.
1737         (expand_doubleword_shift_condmove, expand_doubleword_shift): Likewise.
1738         (expand_binop): Use them to implement double-word shifts.
1739         * config/arm/arm.c (arm_shift_truncation_mask): New function.
1740         (TARGET_SHIFT_TRUNCATION_MASK): Define.
1741
1742 2004-09-04  Jan Hubicka  <jh@suse.cz>
1743
1744         * tree.c (iterate_hash_expr): Optimize, avoid use of iterative_hash_object.
1745         (mix): New macro copied from hashtab.c
1746         (iterative_hash_hashval_t, iterative_hash_pointer,
1747         iterative_hash_host_wide_int): New functions based on hashtab.c
1748         implementation.
1749
1750 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
1751
1752         * config/mips/mips.md (mask): New mode attribute.
1753         (zero_extendsidi2): Add memory alternative.
1754         (*zero_extendsidi2_mem): Delete.
1755         (zero_extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.  Use
1756         memory_operand in the TARGET_MIPS16 check.
1757         (*zero_extend[qh]i[sd]i2{,_mips16}): Name previously unnamed patterns.
1758         Redefine using :GPR and :SHORT.
1759         (zero_extendqihi2): Use memory_operand in the TARGET_MIPS16 check.
1760
1761 2004-09-04  Uros Bizjak  <uros@kss-loka.si>
1762
1763         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_RINT{,F,L}
1764         using rint_optab.
1765         (expand_builtin): Expand BUILT_IN_RINT{,F,L} using
1766         expand_builtin_mathfn.
1767         * genopinit.c (optabs): Rename trunc_optab to btrunc_optab. Use
1768         btrunc?f patterns for btrunc_optab. Implement rint_optab using
1769         rint?f patterns.
1770         * optabs.c (init_optabs): Initialize rint_optab.
1771         * optabs.h (enum optab_index): Rename OTI_trunc to OTI_btrunc.
1772         Add new OTI_rint.
1773         (btrunc_optab): Rename macro from trunc_optab.
1774         (rint_optab): Define corresponding macro.
1775
1776         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FRNDINT_FLOOR,
1777         UNSPEC_FRNDINT_CEIL, UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM.
1778
1779         * config/i386/i386-protos.h (emit_i387_cw_initialization):
1780         Change prototype. Add new int parameter.
1781         * config/i386/i386.c (emit_i387_cw_initialization):
1782         Handle new rounding modes.
1783
1784         * config/i386/i386.h (enum fp_cw_mode): Delete.
1785         (MODE_NEEDED): Handle new rounding modes.
1786         (EMIT_MODE_SET): Change condition to handle new rounding modes.
1787
1788         * config/i386/i386.md (UNSPEC_FRNDINT_FLOOR, UNSPEC_FRNDINT_CEIL,
1789         UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM): New unspecs to
1790         represent different rounding modes of frndint insn.
1791         (type): Add frndint type.
1792         (i387, length, memory): Handle this type.
1793         (i387_cw): New attribute definition.
1794         (*fix_truncdi_1, fix_truncdi_nomemory, fix_truncdi_memory,
1795         *fix_truncsi_1, fix_truncsi_nomemory, fix_truncsi_memory,
1796         *fix_trunchi_1, fix_trunchi_nomemory, fix_trunchi_memory):
1797         Add "i387_cw" attribute defined to "trunc".
1798         (x86_fnstcw_1): Remove comment.
1799         (*frndintxf2): Rename insn definition to frndintxf2. Move
1800         insn definition near rint?f2 expanders.
1801         (rintdf2, rintsf2, rintxf2): New expanders to implement rint,
1802         rintf and rintl built-ins as inline x87 intrinsics.
1803         (frndintxf2_floor): New pattern to implement floor rounding
1804         mode with frndint x87 instruction.
1805         (floordf2, floorsf2, floorxf2): New expanders to implement floor,
1806         floorf and floorl built-ins as inline x87 intrinsics.
1807         (frndintxf2_ceil): New pattern to implement ceil rounding
1808         mode with frndint x87 instruction.
1809         (ceildf2, ceilsf2, ceilxf2): New expanders to implement ceil,
1810         ceilf and ceill built-ins as inline x87 intrinsics.
1811         (frndintxf2_trunc): New pattern to implement trunc rounding
1812         mode with frndint x87 instruction.
1813         (btruncdf2, btruncsf2, btruncxf2): New expanders to implement trunc,
1814         truncf and truncl built-ins as inline x87 intrinsics.
1815         (frndintxf2_mask_pm): New pattern to implement rounding
1816         mode with exceptions with frndint x87 instruction.
1817         (nearbyintdf2, nearbyintsf2, nearbyintxf2): New expanders to
1818         implement nearbyint, nearbyintf and nearbyintl built-ins as
1819         inline x87 intrinsics.
1820
1821 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
1822
1823         * config/mips/mips.md (SHORT): New mode macro.
1824         (size): New mode attribute.
1825         (extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.
1826         (*extend[qh]i[sd]i2): New define_insn_and_split, combining previous
1827         *extend[qh]i[sd]i2 and *extend[qh]i[sd]i2_mem patterns.  Use only if
1828         !ISA_HAS_SEB_SEH.
1829         (*extend[qh]i[sd]i2_se[bh]): New pattern, combining previous
1830         *extend[qh]isi2_hw patterns and extending them to di.
1831         (extendqihi2): Implement as define_insn_and_split that produces
1832         extendqisi2 after reload.
1833
1834 2004-09-03  Devang Patel  <dpatel@apple.com>
1835
1836         * Makefile.in (OBJS-common): Add tree-if-conv.o
1837         (tree-if-conv.o): New rule.
1838         * cfgloop.c (flow_loop_exit_edges_find): Set EDGE_LOOP_EXIT flag.
1839         (get_loop_body_in_bfs_order): New.
1840         * cfgloop.h (get_loop_body_in_bfs_order): New.
1841         * tree-flow.h (enum move_pos): Move here from ..
1842         * tree-ssa-loop-im.c (enum move_pos): here.
1843         (movement_possibility): Make externally visible.
1844         * tree-optimize.c (init_tree_optimization_passes): New entry for
1845         if conversion pass.
1846         * tree-pass.h (pass_if_conversion): New.
1847         * tree-ssa-operands.c (get_expr_operands): Handle COND_EXPR.
1848         * tree-if-conv.c: New file.
1849         * doc/passes.texi: Document tree if-conversion pass.
1850         * doc/tree-ssa.texi: Same.
1851
1852 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
1853
1854         PR target/14925:
1855         Makefile.in (LIB2ADDEHSTATIC): New.
1856         (LIB2ADDEHSHARED): New.
1857         (LIBUNWIND): New.
1858         (LIBUNWINDDEP): New.
1859         (SHLIBUNWIND_LINK): New.
1860         (SHLIBUNWIND_INSTALL): New.
1861         (libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
1862         LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
1863         (clean): Remove libunwind*
1864         (stage1-start): Remove and copy stage1/libunwind*.
1865         (stage2-start): Remove and copy stage2/libunwind*.
1866         (stage3-start): Remove and copy stage3/libunwind*.
1867         (stage4-start): Remove and copy stage4/libunwind*.
1868         (stageprofile-start): Remove and copy stageprofile/libunwind*.
1869         (stagefeedback-start): Remove and copy stagefeedback/libunwind*.
1870
1871         * config.gcc (ia64*-*-linux*): Always add t-libunwind to
1872         tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
1873         tmake_file if --with-system-libunwind isn't used.
1874
1875         * config/ia64/t-glibc-libunwind: New file.
1876         * config/t-libunwind-elf: Likewise.
1877         * unwind-compat.c: Likewise.
1878         * unwind-compat.h: Likewise.
1879         * unwind-dw2-fde-compat.c: Likewise.
1880
1881         * config/ia64/t-glibc (LIB2ADDEH): Updated.
1882         * config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
1883
1884         * config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
1885         aliases if needed.
1886         * unwind-dw2-fde-glibc.c: Likewise.
1887         * unwind-dw2.c: Likewise.
1888
1889         * config/t-libunwind (LIB2ADDEH): Updated.
1890         (LIB2ADDEHSTATIC): New.
1891         (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
1892         (TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER.
1893
1894         * configure.ac: Change --enable-libunwind-exceptions to
1895         --with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
1896         * configure: Regenerated.
1897         * config.in: Updated.
1898
1899         * doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
1900         above and mention --with-system-libunwind.
1901         (ia64-*-hpux*): Mention --enable-libunwind-exceptions is
1902         removed in gcc 3.4.3 and later.
1903
1904         * gcc.c (init_spec): Add -lunwind to -lgcc_s if
1905         USE_LIBUNWIND_EXCEPTIONS is defined.
1906
1907         * mklibgcc.in: Support libunwind.
1908
1909 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
1910
1911         * config/i386/i386.c (x86_branch_hints): Remove m_PENT4 and
1912         m_NOCONA.
1913
1914 2004-09-03  Richard Henderson  <rth@redhat.com>
1915
1916         PR middle-end/9997
1917         * cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
1918         (STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
1919         (struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
1920         stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
1921         frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
1922         resize_stack_vars_conflict, add_stack_var_conflict,
1923         stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
1924         union_stack_vars, partition_stack_vars, dump_stack_var_partition,
1925         expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
1926         expand_one_static_var, expand_one_hard_reg_var,
1927         expand_one_register_var, expand_one_error_var, defer_stack_allocation,
1928         expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
1929         (expand_used_vars): Rewrite.
1930         * Makefile.in (cfgexpand.o): Update dependencies.
1931
1932 2004-09-04  Jan Hubicka  <jh@suse.cz>
1933
1934         * cfg.c (free_edge): Use ggc_free.
1935         (expunge_block): Use ggc_free.
1936         * passes.c (rest_of_clean_state): Free after compilation.
1937         * tree-ssa.c (delete_tree_ssa): Free annotations; call release_defs
1938         * tree-ssanames.c (release_defs): Ignore non-SSA_NAME arguments.
1939
1940 2004-09-03  James E Wilson  <wilson@specifixinc.com>
1941
1942         * tree-ssa-alias.c (may_be_aliased): Move TREE_STATIC check after
1943         DECL_EXTERNAL check.
1944
1945 2004-09-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
1946
1947         * final.c (output_in_slot): New global variable.
1948         (final_scan_insn): Add new state '2' to the 'nopeepholes' parameter.
1949         Pass 2 as 'nopeepholes' to self for insns in a SEQUENCE.  Set
1950         'output_in_slot' before invoking output_asm_insn.
1951         (output_asm_insn): Add a space after the tab if 'output_in_slot'
1952         is set.
1953         * config/sparc/sparc.c (output_return): Pass 2 as 'nopeepholes' to
1954         final_scan_insn.
1955         (output_sibcall): Likewise.
1956
1957 2004-09-03  Jan Hubicka  <jh@suse.cz>
1958
1959         * tree-ssa-operands.c (fini_ssa_operands): ggc_free unused arrays.
1960         * tree-ssanames (init_ssanames): Likewise.
1961
1962 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
1963
1964         * stub-objc.c (objc_is_id, objc_declare_alias, objc_declare_class,
1965         objc_declare_protocols, objc_start_protocol,
1966         objc_start_class_interface, objc_start_category_interface,
1967         objc_continue_interface, objc_finish_interface,
1968         objc_add_instance_variable, objc_set_visibility, objc_set_method_type,
1969         objc_start_class_implementation, objc_start_category_implementation,
1970         objc_continue_implementation, objc_finish_implementation,
1971         objc_add_method_declaration, objc_start_method_definition,
1972         objc_finish_method_definition, objc_build_keyword_decl,
1973         objc_build_method_signature, objc_build_encode_expr,
1974         objc_build_protocol_expr, objc_build_selector_expr,
1975         objc_build_message_expr, objc_build_string_object,
1976         objc_get_class_reference, objc_get_protocol_qualified_type,
1977         objc_static_init_needed_p, objc_generate_static_init_call): New stubs.
1978
1979 2004-09-03  James E Wilson  <wilson@specifixinc.com>
1980
1981         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips3d.
1982
1983         * config/mips/generic.md (generic_frecip_fsqrt_step): New.
1984         * config/mips/mips-ps-3d.md (mips_rsqrt1_<fmt>): Use frsqrt1 type.
1985         (mips_rsqrt2_<fmt>): Use frsqrt2 type.
1986         (mips_recip1_<fmt>): Use frdiv1 type.
1987         (mips_recip2_<fmt>): Use frdiv2 type.
1988         * config/mips/mips.md (type): Add frdiv1, frdiv2, frsqrt1, frsqrt2.
1989         * config/mips/sb1.md (ir_sb1_fpu_2pipes, ir_sb1_fpu_1pipe): Add frdiv1
1990         and frsqrt1.
1991         (ir_sb1_fpu_step2_2pipes, ir_sb1_fpu_step2_1pipe): New.
1992
1993 2004-09-03  Daniel Jacobowitz  <dan@debian.org>
1994
1995         * reload.c (find_reloads): Swap operand_loc pointers for
1996         find_dummy_reload if we have swapped two operands.
1997
1998 2004-09-03  Hans-Peter Nilsson  <hp@axis.com>
1999
2000         * config/cris/cris.h (ASM_OUTPUT_CASE_END): Use prev_nonnote_insn
2001         to get the tablejump-insn before the jump-table label.
2002
2003 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
2004
2005         * c-common.h (objc_is_id, objc_declare_alias, objc_declare_class,
2006         objc_declare_protocols, objc_build_message_expr,
2007         objc_finish_message_expr, objc_build_selector_expr,
2008         objc_build_protocol_expr, objc_build_encode_expr,
2009         objc_build_string_object, objc_get_protocol_qualified_type,
2010         objc_get_class_reference, objc_get_class_ivars,
2011         objc_start_class_interface, objc_start_category_interface,
2012         objc_start_protocol, objc_continue_interface, objc_finish_interface,
2013         objc_start_class_implementation, objc_start_category_implementation,
2014         objc_continue_implementation, objc_finish_implementation,
2015         objc_set_visibility, objc_set_method_type, objc_build_method_signature,
2016         objc_add_method_declaration, objc_start_method_definition,
2017         objc_finish_method_definition, objc_add_instance_variable,
2018         objc_build_keyword_decl, objc_build_throw_stmt, objc_begin_try_stmt,
2019         objc_finish_try_stmt, objc_begin_catch_clause,
2020         objc_finish_catch_clause, objc_build_finally_clause,
2021         objc_build_synchronized, objc_static_init_needed_p,
2022         objc_generate_static_init_call): New prototypes.
2023
2024 2004-09-03  Steve Ellcey  <sje@cup.hp.com>
2025
2026         * config/ia64/ia64.c (ia64_function_arg): Use PARALLEL even if there
2027         is only one reg.
2028         (ia64_function_value): Ditto.
2029
2030 2004-09-03  Jan Beulich  <jbeulich@novell.com>
2031
2032         * config.gcc: Resurrect NetWare as a target. Handle special case of
2033         Novell linker to be used (specified through --with-ld=) and threading
2034         model of either Posix (default) or NKS.
2035         * config/i386/i386.c (ix86_return_pops_args): Conditionalize popping
2036         of incoming hidden argument on KEEP_AGGREGATE_RETURN_POINTER.
2037         * config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): New.
2038         * config/i386/netware.c, config/i386/netware.h: New.
2039         * config/i386/nwld.c, config/i386/nwld.h: New.
2040         * config/i386/netware-crt0.c: New.
2041         * config/i386/netware-libgcc.c: New.
2042         * config/i386/netware-libgcc.def: New.
2043         * config/i386/netware-libgcc.exp: New.
2044         * config/i386/t-netware, config/i386/t-nwld: New.
2045         * gthr-nks.h: New.
2046         * doc/install.texi: Document NKS threading model.
2047
2048 2004-09-03  Jan Beulich  <jbeulich@novell.com>
2049
2050         PR c/7054
2051         * defaults.h (TARGET_DEFAULT_PACK_STRUCT): Provide default.
2052         * tree.h (initial_max_fld_align): Declare
2053         * stor-layout.c (initial_max_fld_align): Define and initialize.
2054         (maximum_field_alignment): Initialize to the same value.
2055         * common.opt: Add -fpack-struct= variant of switch.
2056         * opts.c: Handle -fpack-struct= variant of switch.
2057         * c-pragma.c: Change #pragma pack() handling so that it becomes
2058         compatible to other compilers: accept individual 'push' argument,
2059         make final pop restore (command line) default, correct interaction
2060         of push/pop and sole specification of a new alignment (so that the
2061         sequence #pragma pack(push) - #pragma pack(<n>) becomes identical
2062         to #pragma pack(push, <n>).
2063         * doc/extend.texi: New node "Structure-Packing Pragmas" under
2064         "Pragmas", describing #pragma pack.
2065         * doc/invoke.texi: Document -fpack-struct=<n> variant of switch.
2066         * doc/tm.texi: Adjust description for HANDLE_PRAGMA_PACK_PUSH_POP.
2067         Document new TARGET_DEFAULT_PACK_STRUCT.
2068
2069 2004-09-03  Devang Patel  <dpatel@apple.com>
2070
2071         * dwarf2out.c (gen_field_die). Equate decl number to die.
2072
2073 2004-09-03  Vladimir Makarov  <vmakarov@redhat.com>
2074
2075         PR target/15832
2076         * global.c (modify_reg_pav): New function.
2077         (make_accurate_live_analysis): Call the new function.  Move pavin
2078         modification by earlyclobber set into the new function.
2079
2080 2004-09-03  Andreas Schwab  <schwab@suse.de>
2081
2082         * config/m68k/m68k.c (output_andsi3): Use -1 instead of
2083         (HOST_WIDE_INT)0xffffffff since CONST_INT value are always sign
2084         extended.
2085
2086 2004-09-02  Jan Beulich  <jbeulich@novell.com>
2087
2088         * Makefile.in (LIB2ADDEHDEP): Add unwind.h and unwind-pe.h.
2089         * mklibgcc.in (libgcc_dep): New, covering general dependencies, but
2090         not unwind code specific ones.
2091         (libgcc2_c_dep): Replace general dependencies with use of libgcc_dep.
2092         Remove unwind code specific dependencies.
2093         (libgcov_c_dep): Replace general dependencies with use of libgcc_dep.
2094         Remove gbl-ctors.h.
2095         Add libgcc_dep to output generated for LIB2ADD, LIB2ADDEH, and
2096         LIB2ADD_ST. Add LIB2ADDEHDEP to output generated for LIB2ADDEH.
2097         * tsystem.h: Declare memcpy and memset when inhibit_libc.
2098
2099 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
2100
2101         * combine.c (try_combine): Delay modifying of insns which cannot
2102         be easily undone.
2103
2104 2004-09-02  Daniel Berlin  <dberlin@dberlin.org>
2105
2106         * gcc/common.opt: Rename ivcanon to tree-loop-ivcanon, tree-lim to
2107         tree-loop-im.
2108         * gcc/tree-ssa-loop.c: Ditto
2109         * gcc/tree-ssa-loop-ivcanon.c: Ditto
2110         * gcc/doc/invoke.texi: Ditto.
2111
2112 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
2113
2114         * c-decl.c (store_parm_decls_newstyle): Make static.
2115         (store_parm_decls_from): New function.
2116         * c-tree.h (store_parm_decls_newstyle): Remove prototype.
2117         (store_parm_decls_from): New prototype.
2118
2119 2004-09-02  David Edelsohn  <edelsohn@gnu.org>
2120
2121         * config/rs6000/rs6000.c (expand_block_move): Use SImode and
2122         HImode with STRICT_ALIGNMENT.
2123
2124 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
2125
2126         * config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
2127         (TARGET_OS_CPP_BUILTINS): Likewise.
2128         * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Include
2129         TARGET_BPABI_CPP_BUILTINS.
2130
2131 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
2132
2133         * combine.c (distribute_notes): Don't add REG_LABEL to jump insn.
2134
2135 2004-09-02  Eric Christopher  <echristo@redhat.com>
2136
2137         * builtins.c (expand_builtin_cabs): Delete.
2138         (expand_builtin): If unable to fold the values do a normal
2139         library call for builtin_cab*.
2140         (fold_builtin_cabs): Depend on optimize and optimize_size.
2141         * optabs.c (expand_cmplxdiv_straight): Delete.
2142         (expand_cmplxdiv_wide): Ditto.
2143         (expand_vector_binop): Ditto.
2144         (expand_vector_unop): Ditto.
2145         (expand_complex_abs): Delete.
2146         (expand_binop): Remove calls to above functions.
2147         Remove open coding of complex arithmetic.
2148         (expand_unop): Ditto.
2149         * optabs.h: Remove prototypes.
2150
2151 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
2152
2153         * c-decl.c (store_parm_decls_newstyle): Make externally visible.
2154         * c-tree.h (store_parm_decls_newstyle): New prototype.
2155
2156 2004-09-02  Geoffrey Keating  <geoffk@apple.com>
2157
2158         * config/rs6000/rs6000.c (expand_block_clear): Use vector
2159         instructions if available.
2160         (expand_block_move): Likewise.
2161
2162 2004-09-03  Jan Hubicka  <jh@suse.cz>
2163
2164         * rtl.def (RANGE_INFO, RANGE_REG, RANGE_VAR, RANGE_LIVE): Kill.
2165
2166 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
2167
2168         * config/arm/symbian.h (LIB_SPEC): Define to empty.
2169         * config/arm/t-symbian (SHLIB_LC): Likewise.
2170
2171 2004-09-02  Paul Brook  <paul@codesourcery.com>
2172
2173         * config/arm/bpabi.c (__aeabi_ul2d, __aeabi_ul2f): Remove.
2174
2175 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
2176
2177         * config/mips/mips.c (mips_classify_symbol, mips_fetch_insns):
2178         (mips_restore_gp, mips_set_return_address, mips_expand_prologue)
2179         (mips16_fp_args, mips_avoid_hazard): Replace abort with gcc_assert.
2180         (build_mips16_call_stub): Likewise.  Remove daft CALL_INSN checks.
2181         (mips_issue_rate): Remove unreachable abort.
2182         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
2183         (mips_output_move, mips_relational_operand_ok_p, mips_arg_info)
2184         (mips_block_move_straight, print_operand_address, mips_file_start)
2185         (mips_initial_elimination_offset, mips16_fp_args, dump_constants_1)
2186         (mips_output_conditional_branch, mips_expand_builtin_direct)
2187         (mips_expand_builtin_compare): Replace abort with gcc_unreachable.
2188         * config/mips/mips.md (rotr<mode>3, consttable_float): Replace abort
2189         with gcc_assert.
2190
2191 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
2192
2193         * config/mips/mips.md (*lea_high64): Change split condition to
2194         flow2_completed.  Add a peephole2 to generate a more parallel version.
2195
2196 2004-09-02  Jan Hubicka  <jh@suse.cz>
2197
2198         * gimplify.c (gimplify_compound_lval): Move "stack" varray out of
2199         GGC.
2200
2201         * ggc-page.c: include tree-flow.h.
2202         (extra_order_size_table): Add stmt_ann_d.
2203         (STAT_LABEL): Rename from ....
2204         (LABEL): ... this one.
2205         * Makefile.in (ggc-page.o): Add dependency.
2206
2207         * ggc-common.c (ggc_force_collect): New global variable.
2208         (loc_description): Add fields "freed", "collected"
2209         (ptr_hash): New static hash
2210         (ptr_hash_entry): New structure.
2211         (hash_ptr,eq_ptr,ggc_prune_ptr): New static functions.
2212         (ggc_record_overhead): Take ptr argument, record it
2213         (ggc_prune_overhead_list, ggc_free_overhead): New functions.
2214         (cmp_statistics): Imrove sorting.
2215         (dump_ggc_loc_statistics): Output newly collected statistics
2216         * ggc-page.c (ggc_alloc): Update call of ggc_record_overhead
2217         (ggc_free): Call ggc_free_overhead.
2218         (ggc_collect): Force collection when asked to be forced.
2219         (ggc_collect): Call ggc_prune_overhead_list.
2220         * ggc.h (ggc_force_collect): Declare
2221         (ggc_record_overhead): Update prototype.
2222         (ggc_free_overhead, ggc_prune_overhead_list): Declare.
2223
2224 2004-09-02  James E Wilson  <wilson@specifixinc.com>
2225
2226         * common.opt (ftrapping-math): Default to on.
2227
2228 2004-09-02  Richard Earnshaw  <rearnsha@arm.com>
2229
2230         * arm/predicates.md (arm_reload_memory_operand): Allow MEM.
2231
2232 2004-09-02  Denis Chertykov  <denisc@overta.ru>
2233
2234         PR target/16884
2235         * config/avr/avr.md ("movmemhi"): Substitute match_dup to
2236         match_scratch.
2237         (*movmemqi_insn): Likewise.
2238         (*movmemhi): Likewise.
2239         (clrmemhi): Likewise.
2240         (*clrmemqi): Likewise.
2241         (*clrmemhi): Likewise.
2242
2243 2004-09-02  Paul Brook  <paul@codesourcery.com>
2244
2245         * config.gcc (arm*-*-eabi* | arm*-*-symbianelf*): Set
2246         default_use_cxa_atexit=yes.
2247
2248 2004-09-02  Alan Modra  <amodra@bigpond.net.au>
2249
2250         * config/rs6000/linux64.h: Don't include signal.h or sys/ucontext.h.
2251         (struct kernel_old_ucontext): Delete.
2252         (struct gcc_pt_regs, gcc_sigcontext, gcc_ucontext): New.
2253         (MD_FALLBACK_FRAME_STATE_FOR): Use gcc_* structs.  Only define
2254         when IN_LIGGCC2.
2255
2256 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
2257
2258         * toplev.c (process_options): Fix typo.
2259
2260 2004-09-01  Richard Henderson  <rth@redhat.com>
2261
2262         PR middle-end/17258
2263         * calls.c (initialize_argument_information): Tighten pass-through
2264         conditions for pass-by-reference.  Remove dead TARGET_EXPR code.
2265         Use build_fold_addr_expr.
2266         (emit_library_call_value_1): Use build_fold_addr_expr.  Remove code
2267         that assumes ADDR_EXPR allocates stack space.
2268         * fold-const.c (build_fold_addr_expr_with_type): Look through
2269         WITH_SIZE_EXPR.
2270
2271 2004-09-01  Dan Nicolaescu  <dann@ics.uci.edu>
2272
2273         * gengenrtl.c (gendef): Use rtx_alloc, don't do PUT_CODE.
2274         * ggc.h (ggc_alloc_rtx): Delete.
2275
2276 2004-09-01  Roger Sayle  <roger@eyesopen.com>
2277
2278         * expmed.c (enum alg_code): Remove long unused enumeration values.
2279         (struct mult_cost): New structure to hold the "score" of a synthetic
2280         multiply sequence, including both a rtx_cost and a latency field.
2281         (MULT_COST_LESS): New macro to compare mult_cost to a constant.
2282         (CHEAPER_MULT_COST): New macro to compare two mult_costs.
2283         (struct algorithm): Change type of cost field to be mult_cost.
2284         (synth_mult): Change type of cost_limit argument to be a
2285         pointer to a mult_cost.  Update all cost comparisons to use the
2286         new mult_cost infrastructure.  For alg_add_factor and
2287         alg_sub_factor operations, latency is lower than the rtx_cost.
2288         (choose_mult_variant):  Update calls to synth_mult.  Perform
2289         cost comparisons using the new mult_cost infrastructure.
2290         (expand_mult_highpart): Use alg.cost.cost instead of alg.cost
2291         to optain the total rtx_cost of a synth_mult "algorithm".
2292
2293 2004-09-01  David Edelsohn  <edelsohn@gnu.org>
2294
2295         * config/rs6000/power4.md: Increase store latency to 12.
2296         * config/rs6000/power5.md: Same.
2297
2298 2004-09-01  James E Wilson  <wilson@specifixinc.com>
2299
2300         PR target/14064
2301         * config/avr/avr.c (avr_unique_section): Delete prototype and
2302         definition.
2303         (TARGET_ASM_UNIQUE_SECTION): Delete.
2304
2305 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
2306
2307         * c-parse.in (primary): Call objc_build_message_expr(),
2308         objc_build_selector_expr(), objc_build_protocol_expr(),
2309         objc_build_encode_expr() and objc_build_string_object() instead of
2310         build_message_expr(), build_selector_expr(), build_protocol_expr(),
2311         build_encode_expr() and build_objc_string_object(), respectively.
2312         (component_decl_list2): Call objc_get_class_ivars() instead of
2313         get_class_ivars_from_name().
2314         (keyworddecl): Call objc_build_keyword_decl() instead of
2315         build_keyword_decl().
2316         (receiver): Call objc_get_class_reference() instead of
2317         get_class_reference().
2318         (reswords): Add blank line before @@ifobjc section, for clarity.
2319
2320 2002-09-01  Fariborz Jahanian <fjahanian@apple.com>
2321
2322         * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Restrict alignment
2323         to Altivec vetors.
2324
2325 2004-09-01  Wu Yongwei  <adah@sh163.net>
2326             Danny Smith  <dannysmith@users.sourceforge.net>
2327
2328         * gthr-win32.h (__gthread_recursive_mutex_t): Use 'unsigned long',
2329         not Windows 'DWORD'.
2330         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Correct typo.
2331         (__GTHREAD_RECURSIVE_MUTEX_INIT_DEFAULT): Likewise.
2332         (__gthr_win32_recursive_mutex_init_function): Add prototype for
2333         __GTHREAD_HIDE_WIN32API case..
2334         (__gthr_win32_recursive_mutex_lock): Likewise.
2335         (__gthr_win32_recursive_mutex_trylock): Likewise.
2336         (__gthr_win32_recursive_mutex_unlock): Likewise.
2337         (__gthread_recursive_mutex_init_function); Add definition for
2338         __GTHREAD_HIDE_WIN32API case.
2339         (__gthread_recursive_mutex_lock): Correct call to InterlockedDecrement.
2340         * config/i386/grthr-win32.c (__gthread_recursive_mutex_lock): Correct
2341         call to InterlockedDecrement.
2342
2343 2004-09-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2344
2345         * tree-tailcall.c (find_tail_calls): Also fail is statement has
2346         volatile operands.
2347
2348         * tree-ssa.c (propagate_into_addr): Properly test for LHR.
2349
2350         * doc/c-tree.texi: Document new operands for ARRAY_REF and
2351         COMPONENT_REF.
2352
2353 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2354
2355         * Makefile.in (rtl-profile.o, value-prof.o): Add GCC_H dependency.
2356         * common.opt (fspeculative-prefetching): New.
2357         * flags.h (flag_speculative_prefetching_set): Declare.
2358         * gcov-io.c (gcov_write_counter, gcov_read_counter): Allow negative
2359         values.
2360         * opts.c (flag_sepculative_prefetching_set): New variable.
2361         (common_handle_option): Handle -fspeculative-prefetching.
2362         * passes.c (rest_of_compilation): Ditto.
2363         * profile.c (instrument_values, compute_value_histograms, branch_prob):
2364         Use vectors instead of arrays.
2365         * toplev.c (process_options): Handle -fspeculative-prefetching.
2366         * rtl-profile.c: Include ggc.h.
2367         (rtl_gen_interval_profiler, rtl_gen_pow2_profiler,
2368         rtl_gen_one_value_profiler_no_edge_manipulation,
2369         rtl_gen_one_value_profiler, rtl_gen_const_delta_profiler): Type of
2370         argument changed.
2371         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
2372         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Type of
2373         argument changed.
2374         * value-prof.c: Include ggc.h.
2375         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX): New
2376         macros.
2377         (insn_prefetch_values_to_profile, find_mem_reference_1,
2378         find_mem_reference_2, find_mem_reference, gen_speculative_prefetch,
2379         speculative_prefetching_transform): New.
2380         (value_profile_transformations): Call speculative_prefetching_transform.
2381         (insn_values_to_profile): Call insn_prefetch_values_to_profile.
2382         (insn_divmod_values_to_profile, rtl_find_values_to_profile,
2383         tree_find_values_to_profile, find_values to profile): Use vectors
2384         instead of arrays.
2385         (free_profiled_values): Removed.
2386         * value-prof.h (struct histogram_value): Renamed to
2387         struct histogram_value_t.
2388         (histogram_value, histogram_values): New types.
2389         (find_values_to_profile): Declaration changed.
2390         (free_profiled_values): Removed.
2391         (struct profile_hooks): Type of argument of the hooks changed to
2392         histogram_value.
2393         * doc/invoke.texi (-fspeculative-prefetching): Document.
2394
2395 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2396
2397         PR rtl-optimization/16408
2398         * gcse.c (replace_store_insn): Fix LIBCALL/RETVAL notes.
2399
2400 2004-09-01  Richard Henderson  <rth@redhat.com>
2401
2402         * config/ns32k/ns32k.h (TRANSFER_FROM_TRAMPOLINE): Remove.
2403         (TRAMPOLINE_TEMPLATE): Merge code from __trampoline inline.
2404
2405 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
2406
2407         * libgcc-std.ver (GCC_3.4.2): Export also __trampoline_setup.
2408
2409 2004-09-01  Mike Stump  <mrs@apple.com>
2410
2411         * config/darwin.c (machopic_symbol_defined_p): In addition to
2412         being SYMBOL_REF_LOCAL_P, a symbol must also be
2413         ! SYMBOL_REF_EXTERNAL_P, as only those are _always_ locally
2414         defined in this output file, or translation unit in the case
2415         of IMA not being used.
2416         (machopic_output_indirection): SYMBOL_REF_LOCAL_P symbols
2417         never need .indirect_symbol when indirecting.
2418
2419 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
2420
2421         * Makefile.in (bb-reorder.o): Add several dependencies.
2422
2423 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
2424
2425         * fold-const.c (operand_equal_p): Require equal sign also for
2426         FIX_{CEIL,TRUNC,FLOOR,ROUND}_EXPR.
2427
2428 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
2429
2430         * config.gcc (--with-cpu on ARM): Preserve the canonical cpu name
2431         for use in configargs.h.  Put the cname in a separate variable.  Use
2432         that to set target_cpu_default2.
2433
2434 2004-09-01  J"orn Rennecke <joern.rennecke@superh.com>
2435             Nick Clifton  <nickc@redhat.com>
2436
2437         * config/sh/sh.md ("length"): Increase branch length when
2438         SH1 pic code to 18: 12 bytes of instructions, 4 byte for the
2439         constant, 2 byte for aligning the constant.
2440
2441 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
2442
2443         * arm/arm-cores.def (ARM_CORE): Add new field for the real name of the
2444         CPU.
2445         (arm7tdmi-s): New CPU name.
2446         * arm/arm.c (ARM_CORE): Update for new format.
2447         * arm/arm.h (ARM_CORE): Likewise.
2448         * arm/gentune.sh: Update for extra field.
2449         * config.gcc: Likewise.
2450         * arm/arm-tune.md: Regenerate.
2451         * doc/invoke.texi: Document the real processor names for ARM cpus.
2452
2453 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
2454
2455         * arm/ieee754-df.S (aeabi_ul2d, aeabi_l2d, floatundidf)
2456         (floatdidf): New functions.
2457         * arm/ieee754-sf.S (aeabi_ul2f, aeabi_l2f, floatundisf)
2458         (floatdisf): New functions.
2459         * t-arm-elf: Use them.
2460
2461 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
2462
2463         * c-common.h (lookup_interface): Remove prototype.
2464         (is_class_name): Rename to objc_is_class_name.
2465         (lookup_objc_ivar): Rename to objc_lookup_ivar.
2466         (get_current_scope): Rename to objc_get_current_scope.
2467         * c-decl.c (get_current_scope): Rename to objc_get_current_scope.
2468         * c-parse.in (parmlist_or_identifiers_1): Get rid of unused variable.
2469         (yylexname): Call objc_is_class_name() instead of is_class_name().
2470         * c-typeck.c (build_external_ref): Call objc_lookup_ivar()
2471         instead of lookup_objc_ivar().
2472         * stub-objc.c (lookup_interface): Remove stub.
2473         (is_class_name): Rename to objc_is_class_name.
2474         (lookup_objc_ivar): Rename to objc_lookup_ivar.
2475
2476 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
2477
2478         * config.gcc (arm*-*-symbianelf*): Do not include t-bpabi.
2479         * config/arm/lib1funcs.asm: Do not include supplemental .S files
2480         when compiling for Symbian.
2481         * config/arm/symbian.h (RENAME_LIBRARY): New macro.
2482         (TARGET_OS_CPP_BUILTINS): Likewise.
2483         * config/arm/t-symbian (LIB1ASMFUNCS): Define.
2484
2485 2004-08-31  Stan Shebs  <shebs@apple.com>
2486
2487         * toplev.c (process_options): Ensure debug_hooks is initialized.
2488
2489 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
2490
2491         * target-def.h (TARGET_CXX): Add TARGET_CXX_EXPORT_CLASS_DATA.
2492         * target.h (cxx): Add export_class_data.
2493         * config/arm/arm.c (arm_cxx_export_class_data): New function.
2494         (TARGET_CXX_EXPORT_CLASS_DATA): Use it.
2495         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Document it.
2496
2497 2004-08-31  Kaz Kojima  <kkojima@gcc.gnu.org>
2498
2499         * config/sh/sh.c (output_branch): Check the insn length possibly
2500         in the delayed slot.
2501
2502 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2503
2504         * tree-pretty-print.c (dump_generic_node, case CONVERT_EXPR): Add
2505         blank after ')'.
2506         (op_symbol, case *_{DIV,MOD}_EXPR): Say what rounding is being used.
2507
2508         * c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT.
2509         (c_sizeof_of_alignof_type): Likewise.
2510         * expr.c (array_ref_element_size): Likewise.
2511         (highest_pow2_factor_for_target): Likewise.
2512         * gimplify.c (canonicalize_addr_expr): Likewise.
2513         (gimplify_compound_lval): Likewise.
2514         * stor-layout.c (finalize_record_size, finalize_type_size): Likewise.
2515         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
2516         * varasm.c (assemble_variable): Likewise.
2517         (output_constant_def_contents): Alignments are unsigned.
2518
2519 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2520             Jeff Law  <law@redhat.com>
2521
2522         * tree-cfg.c (cfg_remove_useless_stmts_bb): Also invalidate if VAL
2523         gets modified.
2524
2525 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
2526
2527         * hooks.c (hook_bool_void_true): New function.
2528         * hooks.h (hook_bool_void_true): Declare.
2529         * target-def.h (TARGET_CXX): Add
2530         TARGET_CXX_KEY_METHOD_MAY_BE_INLINE.
2531         * target.h (struct cxx): Add key_method_may_be_inline.
2532         * config/arm/arm.c (arm_cxx_key_method_may_be_inline): New
2533         function.
2534         (TARGET_CXX_KEY_METHOD_MAY_BE_INLINE): New macro.
2535         * config/arm/bpabi.h: Use __THUMB_INTERWORK__ instead of
2536         __THUMB_INTERWORK.
2537
2538 2004-08-31  Denis Chertykov  <denisc@overta.ru>
2539
2540         PR target/15417
2541         * config/avr/avr.c (avr_hard_regno_mode_ok): Enable usage of
2542         frame pointer register only in Pmode while reload in progress.
2543
2544 2004-08-31  Stephane Carrez  <stcarrez@nerim.fr>
2545
2546         PR target/15334
2547         * config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
2548         because it breaks the 32-bit shift patterns that rely on a match_dup.
2549
2550 2004-08-31  Matt Austern  <austern@apple.com>
2551
2552         * config/darwin.c (darwin_make_decl_one_only): Allocate section
2553         names once per compilation, instead of once per symbol.
2554
2555 2004-08-31  Paolo Bonzini  <bonzini@gnu.org>
2556
2557         * Makefile.in (build_subdir): New substitution.
2558         (fixinc.sh): Simplify heavily since fixincludes is already built.
2559         (stmp-fixinc): Depend on specs.ready.
2560         (install-mkheaders): Use new location of fixincludes.
2561         (clean): Do not descend into fixinc.
2562         (FORBUILD): Replace with ../$(build_subdir).
2563         * configure.ac (build_subdir): Substitute.
2564         (FORBUILD): Do not set.
2565         (all_outputs): Remove fixinc/Makefile.
2566         (default commands): Do not create links in fixinc.
2567         * mkfixinc.sh: New, from fixinc/mkfixinc.sh without
2568         the fixincludes configuration steps and substituting
2569         @FIXINCL@ in fixinc.in.
2570         * fixinc.in: New, from fixinc/fixincl.sh.
2571
2572         * fixinc/*: Removed.
2573
2574 2004-08-31  Joseph S. Myers  <jsm@polyomino.org.uk>
2575
2576         * attribs.c (strip_attrs): Remove.
2577         (split_specs_attrs): Move ...
2578         * c-decl.c: ... to here.
2579         * tree.h (split_specs_attrs, strip_attrs): Remove.
2580         * c-tree.h (split_specs_attrs): Declare.
2581
2582 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
2583
2584         * read-rtl.c: Disable RTL checking.
2585         (apply_macro_to_rtx): Use XTMPL to access 'T' fields.
2586
2587 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
2588
2589         * config/mips/mips.md (fcond): New code macro and attribute.
2590         (sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
2591         (seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
2592         (sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.
2593
2594 2004-08-30  Mark Mitchell  <mark@codesourcery.com>
2595
2596         Revert:
2597         2004-08-29  Mark Mitchell  <mark@codesourcery.com>
2598         PR rtl-optimization/16590
2599         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
2600
2601 2004-08-30  Andrew Pinski  <apinski@apple.com>
2602
2603         * hard-reg-set.h:
2604         s/HOST_BITS_PER_WIDES_FAST_INT/HOST_BITS_PER_WIDEST_FAST_INT.
2605         * ChangeLog: Fix previous ChangeLog entry.
2606
2607         PR rtl-opt/13987
2608         * config.host (use_long_long_for_widest_fast_int): New, default is
2609         off.
2610         (ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
2611         * configure.ac: If use_long_long_for_widest_fast_int, then
2612         define USE_LONG_LONG_FOR_WIDEST_FAST_INT.
2613         * configure: Regenerate.
2614         * config.in: Regenerate.
2615         * hwint.h (HOST_WIDEST_FAST_INT, HOST_BITS_PER_WIDEST_FAST_INT):
2616         New: widest integer type supported efficiently in hardware for the
2617         host.
2618         * sbitmap.h (SBITMAP_ELT_BITS): Define based on
2619         HOST_BITS_PER_WIDEST_FAST_INT.
2620         (SBITMAP_ELT_TYPE): Define based on HOST_WIDEST_FAST_INT.
2621         * hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on
2622         HOST_WIDEST_FAST_INT
2623         instead of HOST_WIDE_INT.
2624         (HARD_REG_SET_LONGS): Likewise.
2625         (UHOST_BITS_PER_WIDE_INT): Likewise.
2626         Change the checks for the fast cases to be based on
2627         HOST_BITS_PER_WIDEST_FAST_INT instead of HOST_BITS_PER_WIDE_INT.
2628
2629 2004-08-30  Steven Bosscher  <stevenb@suse.de>
2630
2631         * cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
2632         not the pointers.
2633
2634 2004-08-30  Geoffrey Keating  <geoffk@apple.com>
2635
2636         PR 12738
2637         PR 17205
2638         Radar 3460526
2639         Radar 3775729
2640         * c-decl.c (grokdeclarator): Produce error for 'static' on local
2641         function declaration.
2642
2643 2004-08-30  Richard Henderson  <rth@redhat.com>
2644
2645         * expr.c (array_ref_element_size): Force aligned_size back to
2646         sizetype.
2647         (component_ref_field_offset): Similarly for aligned_offset.
2648         * tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
2649         low-bound, element-size, field-offset fields rather than
2650         computed values.
2651
2652 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
2653
2654         * c-parse.in (parmlist_or_identifiers_1): Remove unreachable and
2655         redundant code.
2656
2657 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
2658
2659         * c-tree.h (struct language_function): Add arg_info element.
2660         * c-decl.c (current_function_arg_info): New.
2661         (grokdeclarator, store_parm_decls): Use it instead of
2662         DECL_ARGUMENTS.
2663         (c_push_function_context, c_pop_function_context): Save and
2664         restore it.
2665
2666 2004-08-30  Richard Henderson  <rth@redhat.com>
2667
2668         * c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a
2669         COMPONENT_REF to pointer arithmetic.
2670         * varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
2671         constant "c" as a valid constant initializer.  Allow narrowing of
2672         differences against the same base object, for any base object.
2673
2674 2004-08-30  Richard Henderson  <rth@redhat.com>
2675
2676         * expr.c (expand_expr_addr_expr): New.
2677         (expand_expr_real_1) <case ADDR_EXPR>: Use it.
2678
2679 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
2680
2681         * config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
2682         (mips_fp_condition): New enum.
2683         (mips_fp_conditions): New array.
2684         (print_fcc_operand): Delete.
2685         (print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
2686         the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
2687         (builtin_description): Add "cond" field.
2688         (DIRECT_BUILTIN): Initialize it.
2689         (CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
2690         into INSN and CODE.  Initialize the "cond" field.
2691         (CMP_BUILTINS): Update accordingly.
2692         (mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
2693         (mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
2694         mips_fp_condition as argument.  Make it the final operand of the
2695         comparison instruction.
2696         (mips_expand_builtin): Update accordingly.
2697         * config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
2698         (UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
2699         the gaps.
2700         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
2701         Don't use the 'Q' operand prefix; just print the operand normally.
2702         (mips_cabs_*, mips_c_*): Delete, replacing with...
2703         (mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
2704         patterns.  Split the 4s versions into 2 ps patterns after reload.
2705
2706 2004-08-30  Richard Henderson  <rth@redhat.com>
2707
2708         * fold-const.c (tree_expr_nonzero_p): Use get_base_address before
2709         assuming an ADDR_EXPR is non-null.
2710
2711 2004-08-30  Jason Merrill  <jason@redhat.com>
2712
2713         * gthr-posix.h, gthr-dce.h: Add #pragma weaks.
2714
2715 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
2716
2717         * alias.c (mems_in_disjoint_alias_sets_p, record_alias_subset,
2718         record_set, rtx_equal_for_memref_p, init_alias_analysis): Use
2719         gcc_assert and gcc_unreachable instead of abort.
2720         * alloc-pool.c (abort, fancy_abort): Remove.
2721         (create_alloc_pool, free_alloc_pool, pool_alloc, pool_free): Use
2722         gcc_assert or gcc_unreachable.
2723         * attribs.c (init_attributes, decl_attributes): Likewise.
2724         * bb-reorder.c (FREE, find_traces_1_round, copy_bb,
2725         mark_bb_for_unlikely_executed_section,
2726         add_labels_and_missing_jumps, fix_crossing_conditional_branches,
2727         fix_crossing_unconditional_branches):  Likewise.
2728         * bitmap.c (bitmap_first_set_bit, bitmap_last_set_bit,
2729         bitmap_operation):  Likewise.
2730         * bt-load.c (insn_sets_btr_p, augment_live_range,
2731         move_btr_def):  Likewise.
2732         * builtins.c (c_readstr, expand_builtin_longjmp, apply_args_size,
2733         apply_result_size, expand_builtin_apply, expand_builtin_mathfn,
2734         expand_builtin_mathfn_2, expand_builtin_mathfn_3,
2735         builtin_memcpy_read_str, expand_movstr, expand_builtin_stpcpy,
2736         expand_builtin_memcmp, expand_builtin_args_info,
2737         std_gimplify_va_arg_expr, expand_builtin_unop,
2738         expand_builtin_fputs, expand_builtin_profile_func,
2739         expand_builtin_fork_or_exec, fold_builtin_bitop,
2740         fold_builtin_classify, fold_builtin_fputs): Likewise.
2741
2742 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
2743
2744         * gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
2745         * gcov.c (abort): Remove undef.
2746
2747         * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
2748         (struct tree_binfo): Remove primary field.
2749
2750 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
2751
2752         * fixinc/Makefile.in (machname.h): Remove.
2753         (fixincl.x): Do not pass $@ to genfixes.
2754         * fixinc/genfixes: Remove code to produce machname.h.
2755         * fixinc/fixincl.sh: Move it here instead.
2756         * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
2757         instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
2758         return a bool indicating whether pz_mn_name_pat is NULL.
2759         * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
2760         Declare extern C variables for the ENV_TABLE.
2761         * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
2762         instead use the result of mn_get_regexps.
2763         * fixinc/fixtests.c: Likewise.
2764
2765 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
2766
2767         * configure.ac: Do not run fixincludes after stage1 during
2768         toplevel bootstrap.
2769         * configure: Regenerate.
2770
2771 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
2772
2773         * sched-deps.c (get_condition): Partially revert previous, by never
2774         trying to extract the condition from a condjump.
2775
2776 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
2777
2778         * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
2779         (handle_visibility_attribute, c_determine_visibility): Likewise.
2780         * c-common.h (my_friendly_assert): Remove.
2781
2782 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
2783
2784         * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
2785         (UNSPEC_{RSQRT,RECIP}[12]): New constants.
2786         (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
2787         * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
2788         (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.
2789
2790 2004-08-30  Diego Novillo  <dnovillo@redhat.com>
2791
2792         * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
2793         in COMPONENT_REF nodes.
2794
2795 2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2796
2797         PR c++/15378
2798         * c-opts.c (c_common_handle_option): <case OPT_Werror> set
2799         global_dc->warning_as_error_requested.
2800         * diagnostic.c (diagnostic_initialize): Tidy.
2801         * diagnostic.h (diagnostic_context::x_data): Remove
2802         (diagnostic_context::issue_warnings_are_errors_message): Rename
2803         from warnings_are_errors_message.
2804         (diagnostic_context::warning_as_error_requested): New.
2805
2806 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
2807
2808         * sched-deps.c (get_condition): Fix breakage in previous patch.
2809
2810 2004-08-30  Paul Brook  <paul@codesourcery.com>
2811
2812         * doc/install.texi: Fix broken mpfr link.
2813
2814 2004-08-29  David O'Brien  <obrien@FreeBSD.org>
2815
2816         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
2817         other FreeBSD platforms.
2818
2819 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
2820
2821         * arm.h (REVERSE_CONDITION): Define.
2822         (REVERSIBLE_CC_MODE): All comparisons are now reversible.
2823
2824 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
2825
2826         * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
2827         just the codes, call reversed_comparison_code ().
2828         (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
2829         (not_reg_cond): Use reversed_comparison_code.
2830         (and_reg_cond): Likewise.
2831         * ifcvt.c (cond_exec_process_if_block): Likewise.
2832         * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.
2833
2834 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
2835
2836         * sched-deps.c (get_condition): Rewrite using jump support functions.
2837         Use reversed_comparison_code.
2838         (conditions_mutex_p): Use reversed_comparison_code.
2839
2840 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
2841
2842         * config/mips/mips.c (override_options): Disable hot/cold partitioning
2843         for MIPS16.
2844
2845 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
2846
2847         * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
2848         (mips_function_type): Move to mips.c.
2849         * config/mips/mips.c (mips_builtin_type): New enum.
2850         (builtin_description): Replace code and ftype with builtin_type
2851         and function_type.
2852         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
2853         (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
2854         (CODE_FOR_mips_abs_ps): Define.
2855         (mips_bdesc): Use new macros.
2856         (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
2857         (mips_init_builtins): Use the mips_bdesc[] index as the function code.
2858         (mips_expand_builtin_direct): New function.
2859         (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
2860         builtin.  Replace boolean parameter with builtin_type.
2861         (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
2862         (mips_expand_4s_compare_builtin): Delete, replacing with...
2863         (mips_expand_builtin_compare): ...this new function.
2864
2865 2004-08-29  Mark Mitchell  <mark@codesourcery.com>
2866
2867         PR rtl-optimization/16590
2868         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
2869
2870 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
2871
2872         * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
2873         * tree-ssa-propagate.c: Fix documentation.
2874
2875 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
2876
2877         * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
2878         (mov[sd]fcc): Likewise.
2879
2880 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
2881
2882         * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.
2883
2884 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
2885
2886         * config/mips/mips.md (divide_condition): New mode attribute.
2887         (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
2888         (sqrt[sd]f3): Redefine using SCALARF.
2889         (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
2890         patterns.
2891
2892 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
2893
2894         * config/mips/mips.md (ANYF, SCALARF): New mode macros.
2895         (loadx, storex, fmt, UNITMODE): New mode attributes.
2896         (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
2897         (mul[sd]f3): Redefine using :SCALARF.
2898         (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
2899         (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
2900         (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
2901         Check TARGET_FUSED_MADD for V2SF too.
2902         (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
2903         were already named.
2904         (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
2905         (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.
2906
2907 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
2908
2909         * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
2910         V2SF_type_node if it will be needed.
2911
2912 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
2913
2914         * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
2915         * config/mips/mips.c (mips_prepare_builtin_arg): New function.
2916         (mips_prepare_builtin_target): New function.
2917         (mips_expand_builtin): Use them.  Update calls to subroutines.
2918         (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
2919         cmp_choice with a boolean argument to select between movt and movf.
2920         Take the comparison's icode as an argument, not the function's fcode.
2921         (mips_expand_compare_builtin): New function.  Rename existing function
2922         to mips_expand_scalar_compare_builtin.
2923         (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
2924         (mips_expand_ps_compare_builtin): Use the new functions.  Take the
2925         comparison's icode as an argument, not the builtin's fcode.
2926
2927 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
2928
2929         * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
2930         (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
2931         registers are false and -1 if all registers are true.
2932         (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
2933         MIPS_CMP_UPPER and MIPS_CMP_LOWER.
2934         * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
2935         (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
2936         (bc1any2t, bc1any2f): Likewise CCV2.
2937         (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.
2938
2939 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
2940
2941         * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
2942         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
2943         UNSPEC rather than an IF_THEN_ELSE.
2944         * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
2945         mips_cond_move_tf_ps by name.
2946
2947 2004-08-29  Chao-ying Fu  <fu@mips.com>
2948             James E Wilson  <wilson@specifixinc.com>
2949
2950         * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
2951         8 byte size and alignment.  Give CCV4 16 byte size and alignment.
2952         * config/mips/mips-ps-3d.md: New file.
2953         * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
2954         TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
2955         (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
2956         (mips_output_move): Emit "mov.ps" for V2SFmode.
2957         (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
2958         MODE_VECTOR_FLOAT.
2959         (override_options): Check if TARGET_MIPS3D and there was an explicit
2960         !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
2961         Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
2962         TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
2963         TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
2964         and allow CCV2 and CCV4 to occupy two and four CC registers.
2965         (print_fcc_operand): New function.
2966         (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
2967         %Z to call print_fcc_operand.
2968         (mips_function_value): Handle MODE_VECTOR_FLOAT.
2969         (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
2970         (mips_vector_mode_supported_p): New function.
2971         (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
2972         (builtin_description): New struct.
2973         (mips_bdesc): New array of struct builtin_description.
2974         (mips_expand_builtin, mips_init_builtins,
2975         mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
2976         mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
2977         functions.
2978         * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
2979         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
2980         (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
2981         (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
2982         "-mips3d", and "-mno-mips3d".
2983         (ASM_SPEC): Map -mips3d to -mips3d in gas.
2984         (EXTRA_CONSTRAINT_Y): New macro.
2985         (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
2986         multi-letter constraint 'Y'.
2987         (CONSTRAINT_LEN): New macro.
2988         (enum mips_builtins): New for MIPS builtin functions.
2989         (enum mips_function_type): New for the types of MIPS builtin functions.
2990         (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
2991         * config/mips/mips.md: New constants for paired single and MIPS-3D
2992         instructions.  Include the new mips-ps-3d.md file.
2993         (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
2994         movv2sf_hardfloat_64bit): New named patterns.
2995         (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
2996         nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
2997         sdxc1_v2sf_di): New unnamed patterns.
2998         * config/mips/predicates.md (const_0_operand, const_1_operand): Add
2999         const_vector support.
3000         (const_0_or_1_operand): New predicate.
3001         * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.
3002
3003 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
3004
3005         * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
3006         (tree-ssa-propagate.o): New rule.
3007         (GTFILES): Add tree-ssa-propagate.c.
3008         * tree-flow.h (struct stmt_ann_d): Remove field
3009         in_ccp_worklist.
3010         * tree-ssa-propagate.c: New file.
3011         * tree-ssa-propagate.h: New file.
3012         * tree-ssa-ccp.c: Re-write to use the routines from
3013         tree-ssa-propagate.c.
3014
3015 2004-08-28  Andrew Pinski  <apinski@apple.com>
3016
3017         * tree-ssa-loop.c: Remove extra include of basic-block.h.
3018
3019 2004-08-28  Ziemowit Laski  <zlaski@apple.com>
3020
3021         * c-common.h: Update comments about ObjC/ObjC++ entry points.
3022         (objc_is_reserved_word): New prototype.
3023         (get_current_scope, objc_mark_locals_volatile): Move prototypes to
3024         separate section; these are call-backs.
3025         * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
3026         ObjC/ObjC++ "@" keywords.
3027         * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
3028         prototypes; they already live in c-common.h.
3029         * stub-objc.c: Update copyright notice.
3030         (objc_is_reserved_word): New stub.
3031
3032 2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>
3033
3034         * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
3035         even when not checking.
3036
3037 2004-08-27  Jason Merrill  <jason@redhat.com>
3038
3039         PR c++/13684
3040         * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
3041         (gimple_push_cleanup): Add eh_only parm.
3042         (gimplify_target_expr): Pass it.
3043         * c.opt (-fno-threadsafe-statics): New option.
3044         * c-opts.c (c_common_handle_option): Handle it.
3045         * c-common.h (flag_threadsafe_statics): Declare it.
3046         * c-common.c (flag_threadsafe_statics): Record it.
3047         * doc/invoke.texi: Document it.
3048         * tsystem.h (_GNU_SOURCE): Define.
3049         * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
3050         (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
3051         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
3052         (__gthread_recursive_mutex_init_function): New fn.
3053         (__gthread_recursive_mutex_lock): New fn.
3054         (__gthread_recursive_mutex_trylock): New fn.
3055         (__gthread_recursive_mutex_unlock): New fn.
3056         * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
3057         * gthr-win32.h, gthr-vxworks.h: Likewise.
3058         * gthr.h: Document.
3059
3060 2004-08-27  David Edelsohn  <edelsohn@gnu.org>
3061
3062         * config/rs6000/rs6000.c (rs6000_override_options): Increase
3063         maximum skip to 15.  Set function alignment, jump alignment, and
3064         loop alignment to 16 for processors that form dispatch groups.
3065         (rs6000_rtx_costs): outer_code is used.
3066
3067 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
3068
3069         * stor-layout.c (sizetype_set): Remove.
3070         (set_sizetype): Don't test or set it.
3071
3072         * tree.h (size_int_type): Remove.
3073         * fold-const.c: Do not #include gt-fold-const.h.
3074         (size_htab_hash, size_htab_eq): Remove.
3075         (size_int_kind): Use build_int_cst.
3076         (new_const, size_htab): Remove.
3077         (size_int_type): Remove.
3078         (round_up): Use build_int_cst.
3079         (round_down): Likewise. Remove spurious constant build.
3080
3081 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
3082
3083         * configure.ac: Add ENABLE_ASSERT_CHECKING control.
3084         Add is_release variable, use it for --enable-werror and
3085         --enable-checking defaults.
3086         * system.h (gcc_assert, gcc_unreachable): New.
3087         * doc/install.texi (--enable-checking): Update.
3088         * configure, config.in: Rebuilt.
3089
3090 2004-08-26  Richard Sandiford  <rsandifo@redhat.com>
3091
3092         * rtl.h (read_rtx): Change prototype.
3093         * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
3094         line number.  Return true on success.
3095         * gensupport.c (process_include, init_md_reader_args_cb): Adjust
3096         callers accordingly.
3097
3098 2004-08-26  Richard Henderson  <rth@redhat.com>
3099
3100         * c-typeck.c (build_offsetof): Remove.
3101         * c-tree.h (build_offsetof): Remove.
3102         * c-common.c (fold_offsetof_1, fold_offsetof): New.
3103         * c-common.h (fold_offsetof): Declare.
3104         * c-parse.in (offsetof_base): New.
3105         (offsetof_member_designator): Use it.  Build references, not just
3106         a tree list.
3107         (primary): Use fold_offsetof, not build_offsetof.
3108
3109 2004-08-26  Richard Henderson  <rth@redhat.com>
3110
3111         * tree.c (staticp): Return the static object.
3112         * tree.h (staticp): Update decl.
3113         * langhooks.h (struct lang_hooks): Change staticp return type to tree.
3114         * langhooks.c (lhd_staticp): Return NULL_TREE.
3115         * langhooks-def.h (lhd_staticp): Update decl.
3116         * c-common.c (c_staticp): Return the static object.
3117         * c-common.h (c_staticp): Update decl.
3118
3119 2004-08-26  Richard Henderson  <rth@redhat.com>
3120
3121         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
3122         modes.
3123
3124 2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>
3125
3126         PR c/13801
3127         * c-decl.c (struct c_binding): Add type and inner_comp fields.
3128         (bind): Set type and inner_comp fields.
3129         (pop_scope): Restore type of decl to the correct type from an
3130         outer scope.  Give error when popping file scope for incomplete
3131         arrays completed incompatibly with default initialization in an
3132         inner scope.
3133         (diagnose_mismatched_decls): Handle externs with initializers at
3134         block scope.
3135         (pushdecl): Set type of external declaration at block scope based
3136         only on the visible declarations.  Save type when changing the
3137         type of a declaration.  Merge an external declaration at block
3138         scope with a visible static declaration at file scope.
3139         (implicitly_declare): Give recycled old declaration the new type
3140         except for incompatible declarations of built-in functions, saving
3141         the old type.
3142
3143 2004-08-26  Ziemowit Laski  <zlaski@apple.com>
3144
3145         * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.
3146
3147 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
3148
3149         * tree-alias-common.c (gate_pta): New function.
3150         (pass_build_pta): Use it.
3151         (pass_del_pta): Use it.
3152         (delete_alias_vars): Don't check flag_tree_points_to.
3153
3154 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
3155
3156         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added
3157         TFmode as additional register mode cloberred by call.
3158
3159 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
3160
3161         * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
3162         parallel pattern for library call returning DImode in
3163         mixed mode.
3164
3165 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
3166
3167         * config/rs6000/rs6000.c (function_arg): Generate parallel
3168         pattern for more split args.
3169
3170 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
3171
3172         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
3173         either gen_movdi_di_update or gen_movdi_si_update depending on
3174         target mode.
3175         * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
3176         to generate two versions.
3177
3178 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
3179
3180         * Makefile.in (lambda-code.o): New.
3181         (lambda-trans.o): Ditto.
3182         (TREE_DATA_REF_H): Ditto.
3183         (LAMBDA_H): Ditto.
3184         (lambda-mat.o): Use LAMBDA_H.
3185         (tree-data-ref.o): Ditto.
3186         * lambda-code.c: New file.  Lambda code generation algorithm.
3187         * lambda-trans.c: Ditto. Lambda transformation matrix support.
3188         * lambda.h: Add lambda loop structures.
3189         Add lambda loopnest structures.
3190         Add lambda body vector structure.
3191         Add lambda linear expression structures.
3192         Add prototypes for functions in new files.
3193         * lambda-mat.c: Include tree.h
3194
3195 2004-08-26  Daniel Berlin <dberlin@dberlin.org>
3196             Sebastian Pop  <pop@cri.ensmp.fr>
3197
3198         * tree-data-ref.h: Include lambda.h
3199         (free_dependence_relation): Declared here.
3200         (free_dependence_relations): Ditto.
3201         (free_data_refs): Ditto.
3202         * tree-data-ref.c (free_dependence_relation): New function.
3203         (free_dependence_relations): Ditto.
3204         (free_data_refs): Ditot.
3205         (analyze_all_data_dependences): Free datarefs and dependence_relations.
3206         (build_classic_dist_vector): Store in the dependence_relations the
3207         information. Each arc in the dependence_relations graph is labelled
3208         with the distance and direction vectors.
3209         (build_classic_dir_vector): Ditto.
3210         (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
3211         Now computes again the whole dependence graph including read-read
3212         relations.
3213         (compute_data_dependences_for_loop): Now dependence_relations contains
3214         all the data, and thus it doesn't need to initialize the classic_dir
3215         and classic_dist vectors.
3216         (analyze_all_data_dependences): Adjusted for using the new interface of
3217         compute_data_dependences_for_loop.  Remove the statistics dump.
3218
3219 2004-08-26  Bob Wilson  <bob.wilson@acm.org>
3220
3221         * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
3222         (xtensa_expand_block_move): Update comment.
3223         (override_options): Remove initialization of xtensa_{ld,st}_opcodes.
3224
3225 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
3226
3227         PR target/13506
3228         * toplev.c (crash_signal): If we crashed while emitting
3229         a user asm, then die more gracefully.
3230
3231 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
3232
3233         PR target/17119.
3234         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
3235         checking for a valid constant, regardless of sign.
3236
3237 2004-08-25  Richard Henderson  <rth@redhat.com>
3238
3239         PR target/16974
3240         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
3241         if the constant satisfies add_operand.
3242
3243 2004-08-25  Richard Henderson  <rth@redhat.com>
3244
3245         PR debug/10695
3246         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
3247         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
3248         unwind info for >16-bit frames.
3249
3250 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
3251
3252         PR target/17171
3253         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
3254
3255 2004-08-25  Richard Henderson  <rth@redhat.com>
3256
3257         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
3258         (TARGET_CANNOT_FORCE_CONST_MEM): New.
3259
3260 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
3261
3262         * doc/tree-ssa.texi: Document new operand iterator.
3263
3264 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
3265
3266         PR target/16480
3267         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
3268         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
3269         as PLUS base regs.
3270
3271 2005-08-28  Paul Brook  <paul@codesourcery.com>
3272
3273         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
3274         -mfpu=vfp -march=armv5t
3275         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
3276
3277 2004-08-25  Richard Henderson  <rth@redhat.com>
3278
3279         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
3280         * target.h (struct gcc_target): Add scalar_mode_supported_p.
3281         * targhooks.c (default_scalar_mode_supported_p): New.
3282         * targhooks.h (default_scalar_mode_supported_p): Declare.
3283         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
3284
3285         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
3286         before attempting to create types.  Tidy.
3287         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
3288
3289         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
3290         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
3291
3292 2004-08-25  Richard Henderson  <rth@redhat.com>
3293
3294         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
3295         set REAL_MODE_FORMAT for TFmode.
3296
3297 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
3298
3299         * c-decl.c (grokparm): New function.
3300         * c-tree.h (grokparm): New prototype.
3301
3302 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
3303
3304         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
3305         iterator controlling structure.
3306         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
3307         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
3308         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
3309         iterator flags.
3310         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
3311         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
3312         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
3313         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
3314         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New.
3315         Empty operand pointers.
3316         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
3317         (op_iter_next_use): New.  Return next use_operand_p.
3318         (op_iter_next_def): New.  Return next def_operand_p.
3319         (op_iter_next_tree): New.  Return next operands as a tree.
3320         (op_iter_init): New.  Initialize an iterator structure.
3321         (op_iter_init_use): New.  Initialize structure and get the first use.
3322         (op_iter_init_def): New.  Initialize structure and get the first def.
3323         (op_iter_init_tree): New.  Initialize structure and get the first tree.
3324         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
3325         (op_iter_init_maydef): New.  Initialize structure and get the first
3326         V_MAY_DEF operands.
3327         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
3328         * tree-dfa.c (compute_immediate_uses_for_stmt,
3329         redirect_immediate_uses): Use new operand iterator.
3330         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
3331         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
3332         operands instead of using *_disappeared_p routines.
3333         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
3334         ssa_rewrite_stmt): Use new operand iterator.
3335         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
3336         rewrite_trees): Use new operand iterator.
3337         * tree-pretty-print.c (dump_vops): Use new operand iterator.
3338         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
3339         * tree-ssa-alias.c (compute_points_to_and_addr_escape,
3340         dump_points_to_info): Use new operand iterator.
3341         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize,
3342         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new
3343         operand iterator.
3344         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary,
3345         propagate_necessity): Use new operand iterator.
3346         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
3347         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
3348         a parameter instead of a stmt_ann_t.
3349         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
3350         build_tree_conflict_graph): Use new operand iterator.
3351         * tree-s