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* tree-ssa-pre.c (grand_bitmap_obstack): New.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-09-07  Jan Hubicka  <jh@suse.cz>
2
3         * tree-ssa-pre.c (grand_bitmap_obstack): New.
4         (value_insert_into_set_bitmap, bitmap_set_new): Use the obstack.
5         (init_pre): Initialize obstack.
6         (fini_pre): Free obstack.
7
8 2004-09-07  David Daney  <ddaney@avtrex.com>
9
10         * config.gcc: Added support for --with-divide=[breaks|traps] for
11         mips targets.
12         * config/mips/mips.h (MASK_DIVIDE_BREAKS): New target_flags bit.
13         (TARGET_DIVIDE_TRAPS): New macro.
14         (TARGET_SWITCHES): Added -mdivide-traps and -mdivide-breaks.
15         (OPTION_DEFAULT_SPECS): Added --with-divide= support.
16         * config/mips/mips.c (mips_idiv_insns): Generate proper count on
17         GENERATE_DIVIDE_TRAPS.
18         (mips_output_division): Emit conditional trap if
19         GENERATE_DIVIDE_TRAPS is set.
20         * doc/install.texi: Document --with-divide.
21         * doc/invoke.texi: Document -mdivide-traps and -mdivide-breaks.
22
23 2004-09-07  Caroline Tice  <ctice@apple.com>
24
25         * cfgrtl.c (rtl_verify_flow_info_1):  Add new edge flag,
26         EDGE_CROSSING, to flags test case.
27         
28 2004-09-07  Jan Hubicka  <jh@suse.cz>
29
30         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Deal with '<'
31         class too.
32
33 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
34
35         * cfganal.c (flow_depth_first_order_compute, dfs_enumerate_from,
36         cfgbuild.c, inside_basic_block_p, control_flow_insn_p,
37         make_label_edge, make_edges, find_basic_blocks_1): Use gcc_assert
38         or gcc_unreachable.
39         * cfg.c (clear_edges, initialize_bb_rbi, compact_blocks,
40         remove_edge, alloc_aux_for_blocks, free_aux_for_blocks,
41         alloc_aux_for_edges, free_aux_for_edges): Likewise.
42         * cfgcleanup.c (try_forward_edges,
43         merge_blocks_move_predecessor_nojumps,
44         merge_blocks_move_successor_nojumps): Likewise.
45         * cfgexpand.c (expand_gimple_cond_expr,
46         expand_gimple_tailcall): Likewise.
47         * cfghooks.c (duplicate_block): Likewise.
48         * cfglayout.c (record_effective_endpoints,
49         insn_locators_initialize, change_scope, fixup_reorder_chain,
50         verify_insn_chain, fixup_fallthru_exit_predecessor,
51         duplicate_insn_chain, cfg_layout_finalize): Likewise.
52         * cfgloopanal.c (check_irred): Likewise.
53         * cfgloop.c (superloop_at_depth, flow_loops_free,
54         flow_loop_entry_edges_find, flow_loops_find,
55         flow_loop_outside_edge_p, get_loop_body,
56         get_loop_body_in_dom_order, get_loop_body_in_bfs_order,
57         get_loop_exit_edges, num_loop_branches, cancel_loop,
58         verify_loop_structure): Likewise.
59         cfgloopmanip.c (find_path, remove_path, loop_delete_branch_edge,
60         duplicate_loop_to_header_edge, create_preheader,
61         create_loop_notes): Likewise.
62         * cfgrtl.c (delete_insn, try_redirect_by_replacing_jump,
63         edirect_branch_edge, force_nonfallthru_and_redirect,
64         rtl_split_edge, insert_insn_on_edge, commit_one_edge_insertion,
65         commit_edge_insertions, commit_edge_insertions_watch_calls,
66         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
67         cfg_layout_redirect_edge_and_branch_force,
68         cfg_layout_merge_blocks, rtl_flow_call_edges_add): Likewise.
69         * cgraph.c (cgraph_node, cgraph_create_edge, cgraph_remove_edge,
70         cgraph_redirect_edge_callee, cgraph_global_info, cgraph_rtl_info,
71         cgraph_varpool_node): Likewise.
72         * cgraphunit.c (cgraph_finalize_function,
73         cgraph_finalize_compilation_unit, cgraph_mark_functions_to_output,
74         cgraph_expand_function, cgraph_remove_unreachable_nodes,
75         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
76         cgraph_mark_inline, cgraph_expand_all_functions,
77         cgraph_build_static_cdtor): Likewise.
78         * combine.c  (do_SUBST, try_combine, subst, combine_simplify_rtx,
79         simplify_logical, distribute_notes, insn_cuid): Likewise.
80         * conflict.c (conflict_graph_add, print_conflict): Likewise.
81         * coverage.c (rtl_coverage_counter_ref, tree_coverage_counter_ref,
82         coverage_checksum_string): Likewise.
83         * cse.c (make_new_qty, make_regs_eqv, insert, invalidate,
84         hash_rtx, exp_equiv_p, cse_basic_block, count_reg_usage,
85         cse_cc_succs, cse_condition_code_reg): Likewise.
86         * cselib.c (entry_and_rtx_equal_p, remove_useless_values,
87         rtx_equal_for_cselib_p, wrap_constant, cselib_hash_rtx,
88         new_cselib_val, cselib_subst_to_values, cselib_invalidate_regno,
89         cselib_record_set): Likewise.
90
91 2004-09-07  Jan Hubicka  <jh@suse.cz>
92
93         * tree-ssa-loop-ivopts.c (iv_value): Avoid invalid sharing on niter.
94
95 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
96
97         * builtins.c (fold_builtin_strchr): Use build_int_cst, not
98         fold_convert.
99         (fold_builtin_strpbrk): Likewise.
100         * expr.c (array_ref_low_bound): Likewise.
101         * tree-scalar-evolution.c (chrec_is_positive, add_to_evolution_1,
102         interpret_rhs_modify_expr, number_of_iterations_in_loop): Likewise.
103         * tree-sra.c (generate_element_zero): Likewise.
104         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
105         * tree-ssa-loop-ivopts.c (determine_biv_step, idx_find_step,
106         add_old_iv_candidates, add_iv_candidates): Likewise.
107         * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
108
109 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
110
111         * c-aux-info.c (gen_type): Use gcc_assert or gcc_unreachable.
112         * c-common.c (c_type_hash, c_common_nodes_and_builtins,
113         c_expand_expr, boolean_increment, nonnull_check_p,
114         check_function_arguments_recurse, fold_offsetof_1): Likewise.
115         * c-cppbuiltin.c (define__GNUC__, builtin_define_stdint_macros,
116         builtin_define_type_max): Likewise.
117         * c-decl.c (bind, pop_scope, merge_decls, pushdecl_top_level,
118         implicit_decl_warning, builtin_function, build_compound_literal,
119         complete_array_type, grokdeclarator, get_parm_info,
120         start_function, store_parm_decls_oldstyle,
121         c_write_global_declarations): Likewise.
122         * c-format.c (get_constant, decode_format_attr,
123         maybe_read_dollar_number, get_flag_spec, check_format_arg,
124         check_format_types, format_type_warning,
125         find_char_info_specifier_index, init_dynamic_asm_fprintf_info,
126         init_dynamic_diag_info, handle_format_attribute): Likewise.
127         * c-gimplify.c (push_context, pop_context, finish_bc_block): 
128         * c-lex.c (c_lex_with_flags, lex_string): Likewise.
129         * c-objc-common.c (c_tree_printer): Likewise.
130         * c-pch.c (pch_init): Likewise.
131         * c-pragma.c (maybe_apply_pragma_weak): Likewise.
132         * c-pretty-print.c (pp_c_tree_decl_identifier): Likewise.
133         * c-typeck.c (c_incomplete_type_error, composite_type,
134         common_pointer_type, common_type, same_translation_unit_p,
135         tagged_types_tu_compatible_p, finish_init, pop_init_level,
136         set_designator, set_nonincremental_init_from_string,
137         process_init_element, c_finish_if_stmt): Likewise.
138         * caller-save.c (init_caller_save, save_call_clobbered_regs,
139         insert_restore, insert_save, insert_one_insn): Likewise.
140         * calls.c (emit_call_1, compute_argument_block_size,
141         precompute_arguments, expand_call, emit_library_call_value_1,
142         store_one_arg): Likewise.
143
144 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
145
146         * configure.ac (enable-checking): Add release option. Reorganize
147         to avoid repetition.
148         * configure: Rebuilt.
149         * doc/install.texi (enable-checking): Amend documentation.
150
151 2004-09-06  H.J. Lu  <hongjiu.lu@intel.com>
152
153         PR bootstrap/17313
154         * Makefile.in (specs.ready): Depend on cc1$(exeext).
155
156 2004-09-06  James E Wilson  <wilson@specifixinc.com>
157
158         * config/mips/mips.md (movsf_hardfloat, movdf_hardfloat_64bit,
159         movdf_hardfloat_32bit): Split fG into two alternatives.
160         (movv2sf_hardfloat_64bit): Split fYG into two alternatives.
161
162         * emit-rtl.c (try_split): Check INSN_P before may_trap_p call.
163
164 2004-09-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
165
166         * final.c (output_in_slot): Delete.
167         (final_scan_insn): Revert 2004-09-03 change.
168         (output_asm_insn): Likewise.
169         * config/sparc/sparc.c (output_return): Likewise.
170         (output_sibcall): Likewise.
171
172 2004-09-06  Jan Hubicka  <jh@suse.cz>
173
174         * loop.c (loop_dump_aux): Do not print RTL when not available.
175         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates): Do not use
176         frontend specific type nodes.
177         (produce_memory_decl_rtl): Break out from ...
178         (prepare_decl_rtl): ... here.  Handle ADDR_EXPR correctly.
179         (get_computation_at): Avoid random tree sharing.
180         (tree_ssa_iv_optimize): Verify tree sharing; dump loops.
181
182 2004-09-06  Zack Weinberg  <zack@codesourcery.com>
183
184         * Makefile.in (rtl.o, bitmap.o): Correct dependencies, remove
185         unnecessary commands.
186
187 2004-09-06  Mohan Embar  <gnustuff@thisiscool.com>
188
189         * Makefile.in (rtl.o): Remove -DGENERATOR_FILE.
190         (bitmap.o): Likewise.
191
192 2004-09-06  Paolo Bonzini  <bonzini@gnu.org>
193
194         Unify the management of RTL and tree-level dump files.
195
196         * cfgexpand.c (tree_expand_cfg): Fix incorrect comment.
197         Don't print function name to the dump file, the pass manager
198         would do this for us. Add code from the top of
199         rest_of_compilation, up to the initial RTL dump.
200         * passes.c (rest_of_handle_jump): Call fixup_tail_calls and
201         close the DFI_sibling dump file.
202         (rest_of_compilation): Don't do that here.  Remove code up to the
203         initial RTL dump.
204         (init_optimization_passes): Remove.
205         (pass_rest_of_compilation): Change pass name to NULL.
206         * toplev.c (lang_dependent_init): Do not use an empty dump file prefix.
207         Do not call init_optimization_passes.
208         * toplev.h (init_optimization_passes): Remove.
209
210         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
211         finish_graph_dump_file): Remove SUFFIX parameter.
212         * graph.h (print_rtl_graph_with_bb, clean_graph_dump_file,
213         finish_graph_dump_file): Likewise.
214
215         * tree-pass.h (struct tree_opt_pass): Add `letter' field.
216         * cfgexpand.c (pass_expand): Adjust.
217         * gimple-low.c (pass_lower_cf, pass_remove_useless_vars): Adjust.
218         * passes.c (pass_rest_of_compilation): Adjust.
219         * predict.c (pass_profile): Adjust.
220         * tree-alias-common.c (pass_build_pta, pass_del_pta): Adjust.
221         * tree-cfg.c (pass_build_cfg, pass_remove_useless_stmts,
222         pass_split_crit_edges, pass_warn_function_return): Adjust.
223         * tree-complex.c (pass_lower_vector_ssa, pass_pre_expand): Adjust.
224         * tree-dfa.c (pass_referenced_vars): Adjust.
225         * tree-eh.c (pass_lower_eh): Adjust.
226         * tree-if-conv.c (pass_build_ssa): Adjust.
227         * tree-into-ssa.c (pass_build_ssa): Adjust.
228         * tree-mudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
229         * tree-nomudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
230         * tree-nrv.c (pass_nrv): Adjust.
231         * tree-optimize.c (pass_gimple, pass_all_optimizations,
232         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
233         pass_init_datastructures): Adjust.
234         * tree-outof-ssa.c (pass_del_ssa): Adjust.
235         * tree-profile.c (pass_tree_profile): Adjust.
236         * tree-sra.c (pass_sra): Adjust.
237         * tree-ssa-alias.c (pass_may_alias): Adjust.
238         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Adjust.
239         * tree-ssa-copyrename.c (pass_rename_ssa_copies): Adjust.
240         * tree-ssa-dce.c (pass_dce, pass_cd_dce): Adjust.
241         * tree-ssa-dom.c (pass_dominator): Adjust.
242         * tree-ssa-dse.c (pass_dse): Adjust.
243         * tree-ssa-forwprop.c (pass_forwprop): Adjust.
244         * tree-ssa-if-conv.c (pass_if_conversion): Adjust.
245         * tree-ssa-loop-ch.c (pass_ch): Adjust.
246         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_lim,
247         pass_loop_done, pass_complete_unroll, pass_iv_canon,
248         pass_iv_optimize, pass_vectorize): Adjust.
249         * tree-ssa-phiopt.c (pass_phiopt): Adjust.
250         * tree-ssa-pre.c (pass_pre, pass_fre): Adjust.
251         * tree-ssa.c (pass_redundant_phi, pass_early_warn_uninitialized,
252         pass_late_warn_uninnitialized): Adjust.
253         * tree-tailcall.c (pass_tail_recursion, pass_tail_calls): Adjust.
254
255         * Makefile.in (tree-dump.o): Add new dependencies.
256         * cgraph.c (cgraph_remove_node): TDF_all -> TDF_tree_all.
257         * cgraphunit.c (cgraph_preserve_function_body_p, cgraph_optimize):
258         Likewise.
259         * toplev.c (dump_file_name): New.
260         * tree-dump.c (dump_enable_all): Add LETTER parameter.
261         (struct dump_file_info): Add NUM and LETTER fields.
262         (dump_files): Adjust and add RTL dump files.
263         (dump_register): Add NUM and LETTER fields.
264         (get_dump_file_name, dump_initialized_p, enable_rtl_dump_file): New.
265         (dump_begin): Use get_dump_file_name.
266         (dump_switch_p_1): Adjust call to dump_enable_all.
267         * tree-dump.h (dump_register): Adjust prototype.
268         * tree-optimize.c (register_one_dump_file): Take dump file index.
269         Support flags for RTL dumps.
270         (register_dump_files): Fill in NUM field of struct dump_file_info.
271         Track properties both when the gate is executed and when it is not.
272         (execute_todo): Dump RTL.  Add PROPERTIES parameter.
273         (execute_one_pass): Pass properties to execute_todo.  Handle VCG
274         dumps of RTL.
275         * tree-pass.h (dump_file_name): New.
276         * tree.h (TDF_TREE, TDF_RTL, get_dump_file_name, dump_initialized_p):
277         New.
278
279         * Makefile.in (passes.o): Add new dependencies.
280         * passes.c (struct dump_file_info, enum dump_file_index,
281         dump_file_tbl, init_optimization_passes): Remove.
282         (open_dump_file, close_dump_file): Use tree-dumping infrastructure.
283         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc): Use
284         dump_enabled_p.
285         (finish_optimization_passes): Update finish_graph_dump_file loop.
286         (enable_rtl_dump_file): Remove.
287         * tree-dump.c (dump_files): Adjust and add RTL dump files.
288         (enable_rtl_dump_file): Add here.
289         * tree.h (enum tree_dump_index): Add RTL dump file indices.
290         * doc/invoke.texi (Debugging options): Document new RTL debugging
291         options.  Update.
292
293 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
294
295         * c-common.c, c-decl.c, combine.c, defaults.h, fold-const.c,
296         gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
297         stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
298         tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
299         tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
300         tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
301         tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
302         vec.h: Fix comment formatting.
303
304 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
305
306         * c-common.c, cfgexpand.c, cgraphunit.c, defaults.h,
307         et-forest.c, expr.c, gimplify.c, global.c, gthr-lynx.h,
308         hard-reg-set.h, modulo-sched.c, optabs.c, postreload-gcse.c,
309         tree-data-ref.c, tree-flow.h, tree-if-conv.c, tree-inline.c,
310         tree-sra.c, tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
311         tree-ssa-loop-niter.c, tree-ssa-operands.c,
312         tree-ssa-operands.h, tree-ssa-propagate.c,
313         tree-ssa-propagate.h, tree-ssa-threadupdate.c, value-prof.c,
314         vec.c, vec.h: Fix comment typos.  Follow spelling conventions.
315
316 2004-09-05  Diego Novillo  <dnovillo@redhat.com>
317
318         * tree-if-conv.c (gate_tree_if_conversion): Enable only if the
319         vectorizer is enabled.
320
321 2004-09-05  Andreas Jaeger  <aj@suse.de>
322
323         * tree-if-conv.c: Spell check comments and clean up whitespace.
324
325 2004-09-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
326
327         * tree-ssa-loop-ivopts.c: New file.
328         * Makefile.in (tree-ssa-loop-ivopts.c): Add.
329         * cfgloop.h (target_avail_regs, target_res_regs, target_small_cost,
330         target_pres_cost, target_spill_cost): Declare.
331         * cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost,
332         spill_cost): Renamed to ...
333         (target_avail_regs, target_res_regs, target_small_cost,
334         target_pres_cost, target_spill_cost): ... and exported.
335         (init_set_costs, global_cost_for_size): Work with renamed variables.
336         * common.opt (flag_ivopts): New flag.
337         * expr.c (expand_expr_real_1): Handle SSA_NAME case.  Handle
338         REF_ORIGINAL.
339         * gimplify.c (struct gimplify_ctx): Add into_ssa field.
340         (internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support
341         generating SSA form.
342         (force_gimple_operand): New function.
343         * timevar.def (TV_TREE_LOOP_IVOPTS): New timevar.
344         * tree-cfg.c (stmt_bsi): New function.
345         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
346         PARAM_IV_MAX_CONSIDERED_USES): New.
347         * tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge,
348         bsi_insert_on_edge_immediate_loop. standard_iv_increment_position,
349         ip_end_pos, ip_normal_pos, force_gimple_operand): Declare.
350         * tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names.
351         * tree-nested.c (build_addr): Export.
352         * tree-optimize.c (init_tree_optimization_passes): Add
353         pass_iv_optimize.
354         * tree-pass.h (pass_iv_optimize): Declare.
355         * tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and
356         IMAGPART_EXPR.
357         * tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable
358         as a phi node argument.
359         (split_loop_exit_edge, bsi_insert_on_edge_immediate_loop,
360         ip_end_pos, ip_normal_pos, standard_iv_increment_position): New
361         functions.
362         * tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export.
363         * tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts,
364         pass_iv_optimize): New pass.
365         * tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL.
366         * tree-ssanames.c (release_ssa_name): Allow calling with var = NULL.
367         * tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions.
368         * tree.h (REF_ORIGINAL): New macro.
369         (build_int_cst_type, unsigned_type_for, zero_p,
370         cst_and_fits_in_hwi, build_addr): Declare.
371         * doc/invoke.texi (-fivopts): Document.
372         (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
373         PARAM_IV_MAX_CONSIDERED_USES): Document.
374         * doc/passes.texi: Document induction variable optimizations pass.
375
376 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
377
378         * builtin-attrs.def (ATTR_NOTHROW_SENTINEL_1): New.
379         * builtins.def (BUILT_IN_EXECLE): Set ATTR_NOTHROW_SENTINEL_1.
380         * c-common.c (c_common_attribute_table): Accept parameters to
381         sentinel attribute.
382         (check_function_sentinel, handle_sentinel_attribute): Likewise.
383         * doc/extend.texi: Update accordingly.
384
385 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
386
387         * builtin-attrs.def (ATTR_SENTINEL, ATTR_SENTINEL_NOTHROW_LIST):
388         New.
389         * builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP): Add `sentinel'
390         attribute.
391         * c-common.c (handle_sentinel_attribute, check_function_sentinel):
392         New functions.
393         (c_common_attribute_table): Add `sentinel' attribute.
394         (check_function_arguments): Handle `sentinel' attribute.
395         * doc/extend.texi: Document `sentinel' attribute.
396
397 2004-09-04  H.J. Lu  <hongjiu.lu@intel.com>
398
399         * configure: Regenerated.
400
401 2004-09-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
402
403         * gimplify.c (internal_get_tmp_var): Remove unused var CLASS.
404
405         * tree.c (save_expr): No longer TREE_READONLY.
406
407 2004-09-04  Jan Hubicka  <jh@suse.cz>
408
409         * passes.c (rest_of_clean_state):  Fix merge conflict made during
410         commiting the patch.
411
412 2004-09-04  Jan Hubicka  <jh@suse.cz>
413
414         * passes.c (rest_of_clean_state):  Decompose the instruction stream.
415
416 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
417
418         * doc/md.texi (shift patterns): New anchor.  Add reference to
419         TARGET_SHIFT_TRUNCATION_MASK.
420         * doc/tm.texi (TARGET_SHIFT_TRUNCATION_MASK): Document.
421         * target.h (shift_truncation_mask): New target hook.
422         * targhook.h (default_shift_truncation_mask): Declare.
423         * targhook.c (default_shift_truncation_mask): Define.
424         * target-def.h (TARGET_SHIFT_TRUNCATION_MASK): Define.
425         (TARGET_INITIALIZER): Include it.
426         * simplify-rtx.c (simplify_binary_operation): Combine ASHIFT, ASHIFTRT
427         and LSHIFTRT cases.  Truncate arg1 if SHIFT_COUNT_TRUNCATED, otherwise
428         reject all out-of-range values.  Fix sign-extension code for modes
429         whose width is smaller than HOST_BITS_PER_WIDE_INT.
430         * optabs.c (simplify_expand_binop, force_expand_binop): New functions.
431         (expand_superword_shift, expand_subword_shift): Likewise.
432         (expand_doubleword_shift_condmove, expand_doubleword_shift): Likewise.
433         (expand_binop): Use them to implement double-word shifts.
434         * config/arm/arm.c (arm_shift_truncation_mask): New function.
435         (TARGET_SHIFT_TRUNCATION_MASK): Define.
436
437 2004-09-04  Jan Hubicka  <jh@suse.cz>
438
439         * tree.c (iterate_hash_expr): Optimize, avoid use of iterative_hash_object.
440         (mix): New macro copied from hashtab.c
441         (iterative_hash_hashval_t, iterative_hash_pointer,
442         iterative_hash_host_wide_int): New functions based on hashtab.c
443         implementation.
444
445 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
446
447         * config/mips/mips.md (mask): New mode attribute.
448         (zero_extendsidi2): Add memory alternative.
449         (*zero_extendsidi2_mem): Delete.
450         (zero_extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.  Use
451         memory_operand in the TARGET_MIPS16 check.
452         (*zero_extend[qh]i[sd]i2{,_mips16}): Name previously unnamed patterns.
453         Redefine using :GPR and :SHORT.
454         (zero_extendqihi2): Use memory_operand in the TARGET_MIPS16 check.
455
456 2004-09-04  Uros Bizjak  <uros@kss-loka.si>
457
458         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_RINT{,F,L}
459         using rint_optab.
460         (expand_builtin): Expand BUILT_IN_RINT{,F,L} using
461         expand_builtin_mathfn.
462         * genopinit.c (optabs): Rename trunc_optab to btrunc_optab. Use
463         btrunc?f patterns for btrunc_optab. Implement rint_optab using
464         rint?f patterns.
465         * optabs.c (init_optabs): Initialize rint_optab.
466         * optabs.h (enum optab_index): Rename OTI_trunc to OTI_btrunc.
467         Add new OTI_rint.
468         (btrunc_optab): Rename macro from trunc_optab.
469         (rint_optab): Define corresponding macro.
470
471         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FRNDINT_FLOOR,
472         UNSPEC_FRNDINT_CEIL, UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM.
473
474         * config/i386/i386-protos.h (emit_i387_cw_initialization):
475         Change prototype. Add new int parameter.
476         * config/i386/i386.c (emit_i387_cw_initialization):
477         Handle new rounding modes.
478
479         * config/i386/i386.h (enum fp_cw_mode): Delete.
480         (MODE_NEEDED): Handle new rounding modes.
481         (EMIT_MODE_SET): Change condition to handle new rounding modes.
482
483         * config/i386/i386.md (UNSPEC_FRNDINT_FLOOR, UNSPEC_FRNDINT_CEIL,
484         UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM): New unspecs to
485         represent different rounding modes of frndint insn.
486         (type): Add frndint type.
487         (i387, length, memory): Handle this type.
488         (i387_cw): New attribute definition.
489         (*fix_truncdi_1, fix_truncdi_nomemory, fix_truncdi_memory,
490         *fix_truncsi_1, fix_truncsi_nomemory, fix_truncsi_memory,
491         *fix_trunchi_1, fix_trunchi_nomemory, fix_trunchi_memory):
492         Add "i387_cw" attribute defined to "trunc".
493         (x86_fnstcw_1): Remove comment.
494         (*frndintxf2): Rename insn definition to frndintxf2. Move
495         insn definition near rint?f2 expanders.
496         (rintdf2, rintsf2, rintxf2): New expanders to implement rint,
497         rintf and rintl built-ins as inline x87 intrinsics.
498         (frndintxf2_floor): New pattern to implement floor rounding
499         mode with frndint x87 instruction.
500         (floordf2, floorsf2, floorxf2): New expanders to implement floor,
501         floorf and floorl built-ins as inline x87 intrinsics.
502         (frndintxf2_ceil): New pattern to implement ceil rounding
503         mode with frndint x87 instruction.
504         (ceildf2, ceilsf2, ceilxf2): New expanders to implement ceil,
505         ceilf and ceill built-ins as inline x87 intrinsics.
506         (frndintxf2_trunc): New pattern to implement trunc rounding
507         mode with frndint x87 instruction.
508         (btruncdf2, btruncsf2, btruncxf2): New expanders to implement trunc,
509         truncf and truncl built-ins as inline x87 intrinsics.
510         (frndintxf2_mask_pm): New pattern to implement rounding
511         mode with exceptions with frndint x87 instruction.
512         (nearbyintdf2, nearbyintsf2, nearbyintxf2): New expanders to
513         implement nearbyint, nearbyintf and nearbyintl built-ins as
514         inline x87 intrinsics.
515
516 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
517
518         * config/mips/mips.md (SHORT): New mode macro.
519         (size): New mode attribute.
520         (extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.
521         (*extend[qh]i[sd]i2): New define_insn_and_split, combining previous
522         *extend[qh]i[sd]i2 and *extend[qh]i[sd]i2_mem patterns.  Use only if
523         !ISA_HAS_SEB_SEH.
524         (*extend[qh]i[sd]i2_se[bh]): New pattern, combining previous
525         *extend[qh]isi2_hw patterns and extending them to di.
526         (extendqihi2): Implement as define_insn_and_split that produces
527         extendqisi2 after reload.
528
529 2004-09-03  Devang Patel  <dpatel@apple.com>
530
531         * Makefile.in (OBJS-common): Add tree-if-conv.o
532         (tree-if-conv.o): New rule.
533         * cfgloop.c (flow_loop_exit_edges_find): Set EDGE_LOOP_EXIT flag.
534         (get_loop_body_in_bfs_order): New.
535         * cfgloop.h (get_loop_body_in_bfs_order): New.
536         * tree-flow.h (enum move_pos): Move here from ..
537         * tree-ssa-loop-im.c (enum move_pos): here.
538         (movement_possibility): Make externally visible.
539         * tree-optimize.c (init_tree_optimization_passes): New entry for
540         if conversion pass.
541         * tree-pass.h (pass_if_conversion): New.
542         * tree-ssa-operands.c (get_expr_operands): Handle COND_EXPR.
543         * tree-if-conv.c: New file.
544         * doc/passes.texi: Document tree if-conversion pass.
545         * doc/tree-ssa.texi: Same.
546
547 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
548
549         PR target/14925:
550         Makefile.in (LIB2ADDEHSTATIC): New.
551         (LIB2ADDEHSHARED): New.
552         (LIBUNWIND): New.
553         (LIBUNWINDDEP): New.
554         (SHLIBUNWIND_LINK): New.
555         (SHLIBUNWIND_INSTALL): New.
556         (libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
557         LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
558         (clean): Remove libunwind*
559         (stage1-start): Remove and copy stage1/libunwind*.
560         (stage2-start): Remove and copy stage2/libunwind*.
561         (stage3-start): Remove and copy stage3/libunwind*.
562         (stage4-start): Remove and copy stage4/libunwind*.
563         (stageprofile-start): Remove and copy stageprofile/libunwind*.
564         (stagefeedback-start): Remove and copy stagefeedback/libunwind*.
565
566         * config.gcc (ia64*-*-linux*): Always add t-libunwind to
567         tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
568         tmake_file if --with-system-libunwind isn't used.
569
570         * config/ia64/t-glibc-libunwind: New file.
571         * config/t-libunwind-elf: Likewise.
572         * unwind-compat.c: Likewise.
573         * unwind-compat.h: Likewise.
574         * unwind-dw2-fde-compat.c: Likewise.
575
576         * config/ia64/t-glibc (LIB2ADDEH): Updated.
577         * config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
578
579         * config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
580         aliases if needed.
581         * unwind-dw2-fde-glibc.c: Likewise.
582         * unwind-dw2.c: Likewise.
583
584         * config/t-libunwind (LIB2ADDEH): Updated.
585         (LIB2ADDEHSTATIC): New.
586         (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
587         (TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER.
588
589         * configure.ac: Change --enable-libunwind-exceptions to
590         --with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
591         * configure: Regenerated.
592         * config.in: Updated.
593
594         * doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
595         above and mention --with-system-libunwind.
596         (ia64-*-hpux*): Mention --enable-libunwind-exceptions is
597         removed in gcc 3.4.3 and later.
598
599         * gcc.c (init_spec): Add -lunwind to -lgcc_s if
600         USE_LIBUNWIND_EXCEPTIONS is defined.
601
602         * mklibgcc.in: Support libunwind.
603
604 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
605
606         * config/i386/i386.c (x86_branch_hints): Remove m_PENT4 and
607         m_NOCONA.
608
609 2004-09-03  Richard Henderson  <rth@redhat.com>
610
611         PR middle-end/9997
612         * cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
613         (STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
614         (struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
615         stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
616         frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
617         resize_stack_vars_conflict, add_stack_var_conflict,
618         stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
619         union_stack_vars, partition_stack_vars, dump_stack_var_partition,
620         expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
621         expand_one_static_var, expand_one_hard_reg_var,
622         expand_one_register_var, expand_one_error_var, defer_stack_allocation,
623         expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
624         (expand_used_vars): Rewrite.
625         * Makefile.in (cfgexpand.o): Update dependencies.
626
627 2004-09-04  Jan Hubicka  <jh@suse.cz>
628
629         * cfg.c (free_edge): Use ggc_free.
630         (expunge_block): Use ggc_free.
631         * passes.c (rest_of_clean_state): Free after compilation.
632         * tree-ssa.c (delete_tree_ssa): Free annotations; call release_defs
633         * tree-ssanames.c (release_defs): Ignore non-SSA_NAME arguments.
634
635 2004-09-03  James E Wilson  <wilson@specifixinc.com>
636
637         * tree-ssa-alias.c (may_be_aliased): Move TREE_STATIC check after
638         DECL_EXTERNAL check.
639
640 2004-09-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
641
642         * final.c (output_in_slot): New global variable.
643         (final_scan_insn): Add new state '2' to the 'nopeepholes' parameter.
644         Pass 2 as 'nopeepholes' to self for insns in a SEQUENCE.  Set
645         'output_in_slot' before invoking output_asm_insn.
646         (output_asm_insn): Add a space after the tab if 'output_in_slot'
647         is set.
648         * config/sparc/sparc.c (output_return): Pass 2 as 'nopeepholes' to
649         final_scan_insn.
650         (output_sibcall): Likewise.
651
652 2004-09-03  Jan Hubicka  <jh@suse.cz>
653
654         * tree-ssa-operands.c (fini_ssa_operands): ggc_free unused arrays.
655         * tree-ssanames (init_ssanames): Likewise.
656
657 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
658
659         * stub-objc.c (objc_is_id, objc_declare_alias, objc_declare_class,
660         objc_declare_protocols, objc_start_protocol,
661         objc_start_class_interface, objc_start_category_interface,
662         objc_continue_interface, objc_finish_interface,
663         objc_add_instance_variable, objc_set_visibility, objc_set_method_type,
664         objc_start_class_implementation, objc_start_category_implementation,
665         objc_continue_implementation, objc_finish_implementation,
666         objc_add_method_declaration, objc_start_method_definition,
667         objc_finish_method_definition, objc_build_keyword_decl,
668         objc_build_method_signature, objc_build_encode_expr,
669         objc_build_protocol_expr, objc_build_selector_expr,
670         objc_build_message_expr, objc_build_string_object,
671         objc_get_class_reference, objc_get_protocol_qualified_type,
672         objc_static_init_needed_p, objc_generate_static_init_call): New stubs.
673
674 2004-09-03  James E Wilson  <wilson@specifixinc.com>
675
676         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips3d.
677
678         * config/mips/generic.md (generic_frecip_fsqrt_step): New.
679         * config/mips/mips-ps-3d.md (mips_rsqrt1_<fmt>): Use frsqrt1 type.
680         (mips_rsqrt2_<fmt>): Use frsqrt2 type.
681         (mips_recip1_<fmt>): Use frdiv1 type.
682         (mips_recip2_<fmt>): Use frdiv2 type.
683         * config/mips/mips.md (type): Add frdiv1, frdiv2, frsqrt1, frsqrt2.
684         * config/mips/sb1.md (ir_sb1_fpu_2pipes, ir_sb1_fpu_1pipe): Add frdiv1
685         and frsqrt1.
686         (ir_sb1_fpu_step2_2pipes, ir_sb1_fpu_step2_1pipe): New.
687
688 2004-09-03  Daniel Jacobowitz  <dan@debian.org>
689
690         * reload.c (find_reloads): Swap operand_loc pointers for
691         find_dummy_reload if we have swapped two operands.
692
693 2004-09-03  Hans-Peter Nilsson  <hp@axis.com>
694
695         * config/cris/cris.h (ASM_OUTPUT_CASE_END): Use prev_nonnote_insn
696         to get the tablejump-insn before the jump-table label.
697
698 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
699
700         * c-common.h (objc_is_id, objc_declare_alias, objc_declare_class,
701         objc_declare_protocols, objc_build_message_expr,
702         objc_finish_message_expr, objc_build_selector_expr,
703         objc_build_protocol_expr, objc_build_encode_expr,
704         objc_build_string_object, objc_get_protocol_qualified_type,
705         objc_get_class_reference, objc_get_class_ivars,
706         objc_start_class_interface, objc_start_category_interface,
707         objc_start_protocol, objc_continue_interface, objc_finish_interface,
708         objc_start_class_implementation, objc_start_category_implementation,
709         objc_continue_implementation, objc_finish_implementation,
710         objc_set_visibility, objc_set_method_type, objc_build_method_signature,
711         objc_add_method_declaration, objc_start_method_definition,
712         objc_finish_method_definition, objc_add_instance_variable,
713         objc_build_keyword_decl, objc_build_throw_stmt, objc_begin_try_stmt,
714         objc_finish_try_stmt, objc_begin_catch_clause,
715         objc_finish_catch_clause, objc_build_finally_clause,
716         objc_build_synchronized, objc_static_init_needed_p,
717         objc_generate_static_init_call): New prototypes.
718
719 2004-09-03  Steve Ellcey  <sje@cup.hp.com>
720
721         * config/ia64/ia64.c (ia64_function_arg): Use PARALLEL even if there
722         is only one reg.
723         (ia64_function_value): Ditto.
724
725 2004-09-03  Jan Beulich  <jbeulich@novell.com>
726
727         * config.gcc: Resurrect NetWare as a target. Handle special case of
728         Novell linker to be used (specified through --with-ld=) and threading
729         model of either Posix (default) or NKS.
730         * config/i386/i386.c (ix86_return_pops_args): Conditionalize popping
731         of incoming hidden argument on KEEP_AGGREGATE_RETURN_POINTER.
732         * config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): New.
733         * config/i386/netware.c, config/i386/netware.h: New.
734         * config/i386/nwld.c, config/i386/nwld.h: New.
735         * config/i386/netware-crt0.c: New.
736         * config/i386/netware-libgcc.c: New.
737         * config/i386/netware-libgcc.def: New.
738         * config/i386/netware-libgcc.exp: New.
739         * config/i386/t-netware, config/i386/t-nwld: New.
740         * gthr-nks.h: New.
741         * doc/install.texi: Document NKS threading model.
742
743 2004-09-03  Jan Beulich  <jbeulich@novell.com>
744
745         PR c/7054
746         * defaults.h (TARGET_DEFAULT_PACK_STRUCT): Provide default.
747         * tree.h (initial_max_fld_align): Declare
748         * stor-layout.c (initial_max_fld_align): Define and initialize.
749         (maximum_field_alignment): Initialize to the same value.
750         * common.opt: Add -fpack-struct= variant of switch.
751         * opts.c: Handle -fpack-struct= variant of switch.
752         * c-pragma.c: Change #pragma pack() handling so that it becomes
753         compatible to other compilers: accept individual 'push' argument,
754         make final pop restore (command line) default, correct interaction
755         of push/pop and sole specification of a new alignment (so that the
756         sequence #pragma pack(push) - #pragma pack(<n>) becomes identical
757         to #pragma pack(push, <n>).
758         * doc/extend.texi: New node "Structure-Packing Pragmas" under
759         "Pragmas", describing #pragma pack.
760         * doc/invoke.texi: Document -fpack-struct=<n> variant of switch.
761         * doc/tm.texi: Adjust description for HANDLE_PRAGMA_PACK_PUSH_POP.
762         Document new TARGET_DEFAULT_PACK_STRUCT.
763
764 2004-09-03  Devang Patel  <dpatel@apple.com>
765
766         * dwarf2out.c (gen_field_die). Equate decl number to die.
767
768 2004-09-03  Vladimir Makarov  <vmakarov@redhat.com>
769
770         PR target/15832
771         * global.c (modify_reg_pav): New function.
772         (make_accurate_live_analysis): Call the new function.  Move pavin
773         modification by earlyclobber set into the new function.
774
775 2004-09-03  Andreas Schwab  <schwab@suse.de>
776
777         * config/m68k/m68k.c (output_andsi3): Use -1 instead of
778         (HOST_WIDE_INT)0xffffffff since CONST_INT value are always sign
779         extended.
780
781 2004-09-02  Jan Beulich  <jbeulich@novell.com>
782
783         * Makefile.in (LIB2ADDEHDEP): Add unwind.h and unwind-pe.h.
784         * mklibgcc.in (libgcc_dep): New, covering general dependencies, but
785         not unwind code specific ones.
786         (libgcc2_c_dep): Replace general dependencies with use of libgcc_dep.
787         Remove unwind code specific dependencies.
788         (libgcov_c_dep): Replace general dependencies with use of libgcc_dep.
789         Remove gbl-ctors.h.
790         Add libgcc_dep to output generated for LIB2ADD, LIB2ADDEH, and
791         LIB2ADD_ST. Add LIB2ADDEHDEP to output generated for LIB2ADDEH.
792         * tsystem.h: Declare memcpy and memset when inhibit_libc.
793
794 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
795
796         * combine.c (try_combine): Delay modifying of insns which cannot
797         be easily undone.
798
799 2004-09-02  Daniel Berlin  <dberlin@dberlin.org>
800
801         * gcc/common.opt: Rename ivcanon to tree-loop-ivcanon, tree-lim to
802         tree-loop-im.
803         * gcc/tree-ssa-loop.c: Ditto
804         * gcc/tree-ssa-loop-ivcanon.c: Ditto
805         * gcc/doc/invoke.texi: Ditto.
806
807 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
808
809         * c-decl.c (store_parm_decls_newstyle): Make static.
810         (store_parm_decls_from): New function.
811         * c-tree.h (store_parm_decls_newstyle): Remove prototype.
812         (store_parm_decls_from): New prototype.
813
814 2004-09-02  David Edelsohn  <edelsohn@gnu.org>
815
816         * config/rs6000/rs6000.c (expand_block_move): Use SImode and
817         HImode with STRICT_ALIGNMENT.
818
819 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
820
821         * config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
822         (TARGET_OS_CPP_BUILTINS): Likewise.
823         * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Include
824         TARGET_BPABI_CPP_BUILTINS.
825
826 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
827
828         * combine.c (distribute_notes): Don't add REG_LABEL to jump insn.
829
830 2004-09-02  Eric Christopher  <echristo@redhat.com>
831
832         * builtins.c (expand_builtin_cabs): Delete.
833         (expand_builtin): If unable to fold the values do a normal
834         library call for builtin_cab*.
835         (fold_builtin_cabs): Depend on optimize and optimize_size.
836         * optabs.c (expand_cmplxdiv_straight): Delete.
837         (expand_cmplxdiv_wide): Ditto.
838         (expand_vector_binop): Ditto.
839         (expand_vector_unop): Ditto.
840         (expand_complex_abs): Delete.
841         (expand_binop): Remove calls to above functions.
842         Remove open coding of complex arithmetic.
843         (expand_unop): Ditto.
844         * optabs.h: Remove prototypes.
845
846 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
847
848         * c-decl.c (store_parm_decls_newstyle): Make externally visible.
849         * c-tree.h (store_parm_decls_newstyle): New prototype.
850
851 2004-09-02  Geoffrey Keating  <geoffk@apple.com>
852
853         * config/rs6000/rs6000.c (expand_block_clear): Use vector
854         instructions if available.
855         (expand_block_move): Likewise.
856
857 2004-09-03  Jan Hubicka  <jh@suse.cz>
858
859         * rtl.def (RANGE_INFO, RANGE_REG, RANGE_VAR, RANGE_LIVE): Kill.
860
861 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
862
863         * config/arm/symbian.h (LIB_SPEC): Define to empty.
864         * config/arm/t-symbian (SHLIB_LC): Likewise.
865
866 2004-09-02  Paul Brook  <paul@codesourcery.com>
867
868         * config/arm/bpabi.c (__aeabi_ul2d, __aeabi_ul2f): Remove.
869
870 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
871
872         * config/mips/mips.c (mips_classify_symbol, mips_fetch_insns):
873         (mips_restore_gp, mips_set_return_address, mips_expand_prologue)
874         (mips16_fp_args, mips_avoid_hazard): Replace abort with gcc_assert.
875         (build_mips16_call_stub): Likewise.  Remove daft CALL_INSN checks.
876         (mips_issue_rate): Remove unreachable abort.
877         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
878         (mips_output_move, mips_relational_operand_ok_p, mips_arg_info)
879         (mips_block_move_straight, print_operand_address, mips_file_start)
880         (mips_initial_elimination_offset, mips16_fp_args, dump_constants_1)
881         (mips_output_conditional_branch, mips_expand_builtin_direct)
882         (mips_expand_builtin_compare): Replace abort with gcc_unreachable.
883         * config/mips/mips.md (rotr<mode>3, consttable_float): Replace abort
884         with gcc_assert.
885
886 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
887
888         * config/mips/mips.md (*lea_high64): Change split condition to
889         flow2_completed.  Add a peephole2 to generate a more parallel version.
890
891 2004-09-02  Jan Hubicka  <jh@suse.cz>
892
893         * gimplify.c (gimplify_compound_lval): Move "stack" varray out of
894         GGC.
895
896         * ggc-page.c: include tree-flow.h.
897         (extra_order_size_table): Add stmt_ann_d.
898         (STAT_LABEL): Rename from ....
899         (LABEL): ... this one.
900         * Makefile.in (ggc-page.o): Add dependency.
901
902         * ggc-common.c (ggc_force_collect): New global variable.
903         (loc_description): Add fields "freed", "collected"
904         (ptr_hash): New static hash
905         (ptr_hash_entry): New structure.
906         (hash_ptr,eq_ptr,ggc_prune_ptr): New static functions.
907         (ggc_record_overhead): Take ptr argument, record it
908         (ggc_prune_overhead_list, ggc_free_overhead): New functions.
909         (cmp_statistics): Imrove sorting.
910         (dump_ggc_loc_statistics): Output newly collected statistics
911         * ggc-page.c (ggc_alloc): Update call of ggc_record_overhead
912         (ggc_free): Call ggc_free_overhead.
913         (ggc_collect): Force collection when asked to be forced.
914         (ggc_collect): Call ggc_prune_overhead_list.
915         * ggc.h (ggc_force_collect): Declare
916         (ggc_record_overhead): Update prototype.
917         (ggc_free_overhead, ggc_prune_overhead_list): Declare.
918
919 2004-09-02  James E Wilson  <wilson@specifixinc.com>
920
921         * common.opt (ftrapping-math): Default to on.
922
923 2004-09-02  Richard Earnshaw  <rearnsha@arm.com>
924
925         * arm/predicates.md (arm_reload_memory_operand): Allow MEM.
926
927 2004-09-02  Denis Chertykov  <denisc@overta.ru>
928
929         PR target/16884
930         * config/avr/avr.md ("movmemhi"): Substitute match_dup to
931         match_scratch.
932         (*movmemqi_insn): Likewise.
933         (*movmemhi): Likewise.
934         (clrmemhi): Likewise.
935         (*clrmemqi): Likewise.
936         (*clrmemhi): Likewise.
937
938 2004-09-02  Paul Brook  <paul@codesourcery.com>
939
940         * config.gcc (arm*-*-eabi* | arm*-*-symbianelf*): Set
941         default_use_cxa_atexit=yes.
942
943 2004-09-02  Alan Modra  <amodra@bigpond.net.au>
944
945         * config/rs6000/linux64.h: Don't include signal.h or sys/ucontext.h.
946         (struct kernel_old_ucontext): Delete.
947         (struct gcc_pt_regs, gcc_sigcontext, gcc_ucontext): New.
948         (MD_FALLBACK_FRAME_STATE_FOR): Use gcc_* structs.  Only define
949         when IN_LIGGCC2.
950
951 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
952
953         * toplev.c (process_options): Fix typo.
954
955 2004-09-01  Richard Henderson  <rth@redhat.com>
956
957         PR middle-end/17258
958         * calls.c (initialize_argument_information): Tighten pass-through
959         conditions for pass-by-reference.  Remove dead TARGET_EXPR code.
960         Use build_fold_addr_expr.
961         (emit_library_call_value_1): Use build_fold_addr_expr.  Remove code
962         that assumes ADDR_EXPR allocates stack space.
963         * fold-const.c (build_fold_addr_expr_with_type): Look through
964         WITH_SIZE_EXPR.
965
966 2004-09-01  Dan Nicolaescu  <dann@ics.uci.edu>
967
968         * gengenrtl.c (gendef): Use rtx_alloc, don't do PUT_CODE.
969         * ggc.h (ggc_alloc_rtx): Delete.
970
971 2004-09-01  Roger Sayle  <roger@eyesopen.com>
972
973         * expmed.c (enum alg_code): Remove long unused enumeration values.
974         (struct mult_cost): New structure to hold the "score" of a synthetic
975         multiply sequence, including both a rtx_cost and a latency field.
976         (MULT_COST_LESS): New macro to compare mult_cost to a constant.
977         (CHEAPER_MULT_COST): New macro to compare two mult_costs.
978         (struct algorithm): Change type of cost field to be mult_cost.
979         (synth_mult): Change type of cost_limit argument to be a
980         pointer to a mult_cost.  Update all cost comparisons to use the
981         new mult_cost infrastructure.  For alg_add_factor and
982         alg_sub_factor operations, latency is lower than the rtx_cost.
983         (choose_mult_variant):  Update calls to synth_mult.  Perform
984         cost comparisons using the new mult_cost infrastructure.
985         (expand_mult_highpart): Use alg.cost.cost instead of alg.cost
986         to optain the total rtx_cost of a synth_mult "algorithm".
987
988 2004-09-01  David Edelsohn  <edelsohn@gnu.org>
989
990         * config/rs6000/power4.md: Increase store latency to 12.
991         * config/rs6000/power5.md: Same.
992
993 2004-09-01  James E Wilson  <wilson@specifixinc.com>
994
995         PR target/14064
996         * config/avr/avr.c (avr_unique_section): Delete prototype and
997         definition.
998         (TARGET_ASM_UNIQUE_SECTION): Delete.
999
1000 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
1001
1002         * c-parse.in (primary): Call objc_build_message_expr(),
1003         objc_build_selector_expr(), objc_build_protocol_expr(),
1004         objc_build_encode_expr() and objc_build_string_object() instead of
1005         build_message_expr(), build_selector_expr(), build_protocol_expr(),
1006         build_encode_expr() and build_objc_string_object(), respectively.
1007         (component_decl_list2): Call objc_get_class_ivars() instead of
1008         get_class_ivars_from_name().
1009         (keyworddecl): Call objc_build_keyword_decl() instead of
1010         build_keyword_decl().
1011         (receiver): Call objc_get_class_reference() instead of
1012         get_class_reference().
1013         (reswords): Add blank line before @@ifobjc section, for clarity.
1014
1015 2002-09-01  Fariborz Jahanian <fjahanian@apple.com>
1016
1017         * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Restrict alignment
1018         to Altivec vetors.
1019
1020 2004-09-01  Wu Yongwei  <adah@sh163.net>
1021             Danny Smith  <dannysmith@users.sourceforge.net>
1022
1023         * gthr-win32.h (__gthread_recursive_mutex_t): Use 'unsigned long',
1024         not Windows 'DWORD'.
1025         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Correct typo.
1026         (__GTHREAD_RECURSIVE_MUTEX_INIT_DEFAULT): Likewise.
1027         (__gthr_win32_recursive_mutex_init_function): Add prototype for
1028         __GTHREAD_HIDE_WIN32API case..
1029         (__gthr_win32_recursive_mutex_lock): Likewise.
1030         (__gthr_win32_recursive_mutex_trylock): Likewise.
1031         (__gthr_win32_recursive_mutex_unlock): Likewise.
1032         (__gthread_recursive_mutex_init_function); Add definition for
1033         __GTHREAD_HIDE_WIN32API case.
1034         (__gthread_recursive_mutex_lock): Correct call to InterlockedDecrement.
1035         * config/i386/grthr-win32.c (__gthread_recursive_mutex_lock): Correct
1036         call to InterlockedDecrement.
1037
1038 2004-09-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1039
1040         * tree-tailcall.c (find_tail_calls): Also fail is statement has
1041         volatile operands.
1042
1043         * tree-ssa.c (propagate_into_addr): Properly test for LHR.
1044
1045         * doc/c-tree.texi: Document new operands for ARRAY_REF and
1046         COMPONENT_REF.
1047
1048 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1049
1050         * Makefile.in (rtl-profile.o, value-prof.o): Add GCC_H dependency.
1051         * common.opt (fspeculative-prefetching): New.
1052         * flags.h (flag_speculative_prefetching_set): Declare.
1053         * gcov-io.c (gcov_write_counter, gcov_read_counter): Allow negative
1054         values.
1055         * opts.c (flag_sepculative_prefetching_set): New variable.
1056         (common_handle_option): Handle -fspeculative-prefetching.
1057         * passes.c (rest_of_compilation): Ditto.
1058         * profile.c (instrument_values, compute_value_histograms, branch_prob):
1059         Use vectors instead of arrays.
1060         * toplev.c (process_options): Handle -fspeculative-prefetching.
1061         * rtl-profile.c: Include ggc.h.
1062         (rtl_gen_interval_profiler, rtl_gen_pow2_profiler,
1063         rtl_gen_one_value_profiler_no_edge_manipulation,
1064         rtl_gen_one_value_profiler, rtl_gen_const_delta_profiler): Type of
1065         argument changed.
1066         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
1067         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Type of
1068         argument changed.
1069         * value-prof.c: Include ggc.h.
1070         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX): New
1071         macros.
1072         (insn_prefetch_values_to_profile, find_mem_reference_1,
1073         find_mem_reference_2, find_mem_reference, gen_speculative_prefetch,
1074         speculative_prefetching_transform): New.
1075         (value_profile_transformations): Call speculative_prefetching_transform.
1076         (insn_values_to_profile): Call insn_prefetch_values_to_profile.
1077         (insn_divmod_values_to_profile, rtl_find_values_to_profile,
1078         tree_find_values_to_profile, find_values to profile): Use vectors
1079         instead of arrays.
1080         (free_profiled_values): Removed.
1081         * value-prof.h (struct histogram_value): Renamed to
1082         struct histogram_value_t.
1083         (histogram_value, histogram_values): New types.
1084         (find_values_to_profile): Declaration changed.
1085         (free_profiled_values): Removed.
1086         (struct profile_hooks): Type of argument of the hooks changed to
1087         histogram_value.
1088         * doc/invoke.texi (-fspeculative-prefetching): Document.
1089
1090 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1091
1092         PR rtl-optimization/16408
1093         * gcse.c (replace_store_insn): Fix LIBCALL/RETVAL notes.
1094
1095 2004-09-01  Richard Henderson  <rth@redhat.com>
1096
1097         * config/ns32k/ns32k.h (TRANSFER_FROM_TRAMPOLINE): Remove.
1098         (TRAMPOLINE_TEMPLATE): Merge code from __trampoline inline.
1099
1100 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
1101
1102         * libgcc-std.ver (GCC_3.4.2): Export also __trampoline_setup.
1103
1104 2004-09-01  Mike Stump  <mrs@apple.com>
1105
1106         * config/darwin.c (machopic_symbol_defined_p): In addition to
1107         being SYMBOL_REF_LOCAL_P, a symbol must also be
1108         ! SYMBOL_REF_EXTERNAL_P, as only those are _always_ locally
1109         defined in this output file, or translation unit in the case
1110         of IMA not being used.
1111         (machopic_output_indirection): SYMBOL_REF_LOCAL_P symbols
1112         never need .indirect_symbol when indirecting.
1113
1114 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
1115
1116         * Makefile.in (bb-reorder.o): Add several dependencies.
1117
1118 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
1119
1120         * fold-const.c (operand_equal_p): Require equal sign also for
1121         FIX_{CEIL,TRUNC,FLOOR,ROUND}_EXPR.
1122
1123 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
1124
1125         * config.gcc (--with-cpu on ARM): Preserve the canonical cpu name
1126         for use in configargs.h.  Put the cname in a separate variable.  Use
1127         that to set target_cpu_default2.
1128
1129 2004-09-01  J"orn Rennecke <joern.rennecke@superh.com>
1130             Nick Clifton  <nickc@redhat.com>
1131
1132         * config/sh/sh.md ("length"): Increase branch length when
1133         SH1 pic code to 18: 12 bytes of instructions, 4 byte for the
1134         constant, 2 byte for aligning the constant.
1135
1136 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
1137
1138         * arm/arm-cores.def (ARM_CORE): Add new field for the real name of the
1139         CPU.
1140         (arm7tdmi-s): New CPU name.
1141         * arm/arm.c (ARM_CORE): Update for new format.
1142         * arm/arm.h (ARM_CORE): Likewise.
1143         * arm/gentune.sh: Update for extra field.
1144         * config.gcc: Likewise.
1145         * arm/arm-tune.md: Regenerate.
1146         * doc/invoke.texi: Document the real processor names for ARM cpus.
1147
1148 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
1149
1150         * arm/ieee754-df.S (aeabi_ul2d, aeabi_l2d, floatundidf)
1151         (floatdidf): New functions.
1152         * arm/ieee754-sf.S (aeabi_ul2f, aeabi_l2f, floatundisf)
1153         (floatdisf): New functions.
1154         * t-arm-elf: Use them.
1155
1156 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
1157
1158         * c-common.h (lookup_interface): Remove prototype.
1159         (is_class_name): Rename to objc_is_class_name.
1160         (lookup_objc_ivar): Rename to objc_lookup_ivar.
1161         (get_current_scope): Rename to objc_get_current_scope.
1162         * c-decl.c (get_current_scope): Rename to objc_get_current_scope.
1163         * c-parse.in (parmlist_or_identifiers_1): Get rid of unused variable.
1164         (yylexname): Call objc_is_class_name() instead of is_class_name().
1165         * c-typeck.c (build_external_ref): Call objc_lookup_ivar()
1166         instead of lookup_objc_ivar().
1167         * stub-objc.c (lookup_interface): Remove stub.
1168         (is_class_name): Rename to objc_is_class_name.
1169         (lookup_objc_ivar): Rename to objc_lookup_ivar.
1170
1171 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
1172
1173         * config.gcc (arm*-*-symbianelf*): Do not include t-bpabi.
1174         * config/arm/lib1funcs.asm: Do not include supplemental .S files
1175         when compiling for Symbian.
1176         * config/arm/symbian.h (RENAME_LIBRARY): New macro.
1177         (TARGET_OS_CPP_BUILTINS): Likewise.
1178         * config/arm/t-symbian (LIB1ASMFUNCS): Define.
1179
1180 2004-08-31  Stan Shebs  <shebs@apple.com>
1181
1182         * toplev.c (process_options): Ensure debug_hooks is initialized.
1183
1184 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
1185
1186         * target-def.h (TARGET_CXX): Add TARGET_CXX_EXPORT_CLASS_DATA.
1187         * target.h (cxx): Add export_class_data.
1188         * config/arm/arm.c (arm_cxx_export_class_data): New function.
1189         (TARGET_CXX_EXPORT_CLASS_DATA): Use it.
1190         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Document it.
1191
1192 2004-08-31  Kaz Kojima  <kkojima@gcc.gnu.org>
1193
1194         * config/sh/sh.c (output_branch): Check the insn length possibly
1195         in the delayed slot.
1196
1197 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1198
1199         * tree-pretty-print.c (dump_generic_node, case CONVERT_EXPR): Add
1200         blank after ')'.
1201         (op_symbol, case *_{DIV,MOD}_EXPR): Say what rounding is being used.
1202
1203         * c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT.
1204         (c_sizeof_of_alignof_type): Likewise.
1205         * expr.c (array_ref_element_size): Likewise.
1206         (highest_pow2_factor_for_target): Likewise.
1207         * gimplify.c (canonicalize_addr_expr): Likewise.
1208         (gimplify_compound_lval): Likewise.
1209         * stor-layout.c (finalize_record_size, finalize_type_size): Likewise.
1210         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1211         * varasm.c (assemble_variable): Likewise.
1212         (output_constant_def_contents): Alignments are unsigned.
1213
1214 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1215             Jeff Law  <law@redhat.com>
1216
1217         * tree-cfg.c (cfg_remove_useless_stmts_bb): Also invalidate if VAL
1218         gets modified.
1219
1220 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
1221
1222         * hooks.c (hook_bool_void_true): New function.
1223         * hooks.h (hook_bool_void_true): Declare.
1224         * target-def.h (TARGET_CXX): Add
1225         TARGET_CXX_KEY_METHOD_MAY_BE_INLINE.
1226         * target.h (struct cxx): Add key_method_may_be_inline.
1227         * config/arm/arm.c (arm_cxx_key_method_may_be_inline): New
1228         function.
1229         (TARGET_CXX_KEY_METHOD_MAY_BE_INLINE): New macro.
1230         * config/arm/bpabi.h: Use __THUMB_INTERWORK__ instead of
1231         __THUMB_INTERWORK.
1232
1233 2004-08-31  Denis Chertykov  <denisc@overta.ru>
1234
1235         PR target/15417
1236         * config/avr/avr.c (avr_hard_regno_mode_ok): Enable usage of
1237         frame pointer register only in Pmode while reload in progress.
1238
1239 2004-08-31  Stephane Carrez  <stcarrez@nerim.fr>
1240
1241         PR target/15334
1242         * config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
1243         because it breaks the 32-bit shift patterns that rely on a match_dup.
1244
1245 2004-08-31  Matt Austern  <austern@apple.com>
1246
1247         * config/darwin.c (darwin_make_decl_one_only): Allocate section
1248         names once per compilation, instead of once per symbol.
1249
1250 2004-08-31  Paolo Bonzini  <bonzini@gnu.org>
1251
1252         * Makefile.in (build_subdir): New substitution.
1253         (fixinc.sh): Simplify heavily since fixincludes is already built.
1254         (stmp-fixinc): Depend on specs.ready.
1255         (install-mkheaders): Use new location of fixincludes.
1256         (clean): Do not descend into fixinc.
1257         (FORBUILD): Replace with ../$(build_subdir).
1258         * configure.ac (build_subdir): Substitute.
1259         (FORBUILD): Do not set.
1260         (all_outputs): Remove fixinc/Makefile.
1261         (default commands): Do not create links in fixinc.
1262         * mkfixinc.sh: New, from fixinc/mkfixinc.sh without
1263         the fixincludes configuration steps and substituting
1264         @FIXINCL@ in fixinc.in.
1265         * fixinc.in: New, from fixinc/fixincl.sh.
1266
1267         * fixinc/*: Removed.
1268
1269 2004-08-31  Joseph S. Myers  <jsm@polyomino.org.uk>
1270
1271         * attribs.c (strip_attrs): Remove.
1272         (split_specs_attrs): Move ...
1273         * c-decl.c: ... to here.
1274         * tree.h (split_specs_attrs, strip_attrs): Remove.
1275         * c-tree.h (split_specs_attrs): Declare.
1276
1277 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
1278
1279         * read-rtl.c: Disable RTL checking.
1280         (apply_macro_to_rtx): Use XTMPL to access 'T' fields.
1281
1282 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
1283
1284         * config/mips/mips.md (fcond): New code macro and attribute.
1285         (sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
1286         (seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
1287         (sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.
1288
1289 2004-08-30  Mark Mitchell  <mark@codesourcery.com>
1290
1291         Revert:
1292         2004-08-29  Mark Mitchell  <mark@codesourcery.com>
1293         PR rtl-optimization/16590
1294         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
1295
1296 2004-08-30  Andrew Pinski  <apinski@apple.com>
1297
1298         * hard-reg-set.h:
1299         s/HOST_BITS_PER_WIDES_FAST_INT/HOST_BITS_PER_WIDEST_FAST_INT.
1300         * ChangeLog: Fix previous ChangeLog entry.
1301
1302         PR rtl-opt/13987
1303         * config.host (use_long_long_for_widest_fast_int): New, default is
1304         off.
1305         (ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
1306         * configure.ac: If use_long_long_for_widest_fast_int, then
1307         define USE_LONG_LONG_FOR_WIDEST_FAST_INT.
1308         * configure: Regenerate.
1309         * config.in: Regenerate.
1310         * hwint.h (HOST_WIDEST_FAST_INT, HOST_BITS_PER_WIDEST_FAST_INT):
1311         New: widest integer type supported efficiently in hardware for the
1312         host.
1313         * sbitmap.h (SBITMAP_ELT_BITS): Define based on
1314         HOST_BITS_PER_WIDEST_FAST_INT.
1315         (SBITMAP_ELT_TYPE): Define based on HOST_WIDEST_FAST_INT.
1316         * hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on
1317         HOST_WIDEST_FAST_INT
1318         instead of HOST_WIDE_INT.
1319         (HARD_REG_SET_LONGS): Likewise.
1320         (UHOST_BITS_PER_WIDE_INT): Likewise.
1321         Change the checks for the fast cases to be based on
1322         HOST_BITS_PER_WIDEST_FAST_INT instead of HOST_BITS_PER_WIDE_INT.
1323
1324 2004-08-30  Steven Bosscher  <stevenb@suse.de>
1325
1326         * cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
1327         not the pointers.
1328
1329 2004-08-30  Geoffrey Keating  <geoffk@apple.com>
1330
1331         PR 12738
1332         PR 17205
1333         Radar 3460526
1334         Radar 3775729
1335         * c-decl.c (grokdeclarator): Produce error for 'static' on local
1336         function declaration.
1337
1338 2004-08-30  Richard Henderson  <rth@redhat.com>
1339
1340         * expr.c (array_ref_element_size): Force aligned_size back to
1341         sizetype.
1342         (component_ref_field_offset): Similarly for aligned_offset.
1343         * tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
1344         low-bound, element-size, field-offset fields rather than
1345         computed values.
1346
1347 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
1348
1349         * c-parse.in (parmlist_or_identifiers_1): Remove unreachable and
1350         redundant code.
1351
1352 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
1353
1354         * c-tree.h (struct language_function): Add arg_info element.
1355         * c-decl.c (current_function_arg_info): New.
1356         (grokdeclarator, store_parm_decls): Use it instead of
1357         DECL_ARGUMENTS.
1358         (c_push_function_context, c_pop_function_context): Save and
1359         restore it.
1360
1361 2004-08-30  Richard Henderson  <rth@redhat.com>
1362
1363         * c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a
1364         COMPONENT_REF to pointer arithmetic.
1365         * varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
1366         constant "c" as a valid constant initializer.  Allow narrowing of
1367         differences against the same base object, for any base object.
1368
1369 2004-08-30  Richard Henderson  <rth@redhat.com>
1370
1371         * expr.c (expand_expr_addr_expr): New.
1372         (expand_expr_real_1) <case ADDR_EXPR>: Use it.
1373
1374 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
1375
1376         * config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
1377         (mips_fp_condition): New enum.
1378         (mips_fp_conditions): New array.
1379         (print_fcc_operand): Delete.
1380         (print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
1381         the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
1382         (builtin_description): Add "cond" field.
1383         (DIRECT_BUILTIN): Initialize it.
1384         (CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
1385         into INSN and CODE.  Initialize the "cond" field.
1386         (CMP_BUILTINS): Update accordingly.
1387         (mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
1388         (mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
1389         mips_fp_condition as argument.  Make it the final operand of the
1390         comparison instruction.
1391         (mips_expand_builtin): Update accordingly.
1392         * config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
1393         (UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
1394         the gaps.
1395         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
1396         Don't use the 'Q' operand prefix; just print the operand normally.
1397         (mips_cabs_*, mips_c_*): Delete, replacing with...
1398         (mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
1399         patterns.  Split the 4s versions into 2 ps patterns after reload.
1400
1401 2004-08-30  Richard Henderson  <rth@redhat.com>
1402
1403         * fold-const.c (tree_expr_nonzero_p): Use get_base_address before
1404         assuming an ADDR_EXPR is non-null.
1405
1406 2004-08-30  Jason Merrill  <jason@redhat.com>
1407
1408         * gthr-posix.h, gthr-dce.h: Add #pragma weaks.
1409
1410 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
1411
1412         * alias.c (mems_in_disjoint_alias_sets_p, record_alias_subset,
1413         record_set, rtx_equal_for_memref_p, init_alias_analysis): Use
1414         gcc_assert and gcc_unreachable instead of abort.
1415         * alloc-pool.c (abort, fancy_abort): Remove.
1416         (create_alloc_pool, free_alloc_pool, pool_alloc, pool_free): Use
1417         gcc_assert or gcc_unreachable.
1418         * attribs.c (init_attributes, decl_attributes): Likewise.
1419         * bb-reorder.c (FREE, find_traces_1_round, copy_bb,
1420         mark_bb_for_unlikely_executed_section,
1421         add_labels_and_missing_jumps, fix_crossing_conditional_branches,
1422         fix_crossing_unconditional_branches):  Likewise.
1423         * bitmap.c (bitmap_first_set_bit, bitmap_last_set_bit,
1424         bitmap_operation):  Likewise.
1425         * bt-load.c (insn_sets_btr_p, augment_live_range,
1426         move_btr_def):  Likewise.
1427         * builtins.c (c_readstr, expand_builtin_longjmp, apply_args_size,
1428         apply_result_size, expand_builtin_apply, expand_builtin_mathfn,
1429         expand_builtin_mathfn_2, expand_builtin_mathfn_3,
1430         builtin_memcpy_read_str, expand_movstr, expand_builtin_stpcpy,
1431         expand_builtin_memcmp, expand_builtin_args_info,
1432         std_gimplify_va_arg_expr, expand_builtin_unop,
1433         expand_builtin_fputs, expand_builtin_profile_func,
1434         expand_builtin_fork_or_exec, fold_builtin_bitop,
1435         fold_builtin_classify, fold_builtin_fputs): Likewise.
1436
1437 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
1438
1439         * gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
1440         * gcov.c (abort): Remove undef.
1441
1442         * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
1443         (struct tree_binfo): Remove primary field.
1444
1445 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
1446
1447         * fixinc/Makefile.in (machname.h): Remove.
1448         (fixincl.x): Do not pass $@ to genfixes.
1449         * fixinc/genfixes: Remove code to produce machname.h.
1450         * fixinc/fixincl.sh: Move it here instead.
1451         * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
1452         instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
1453         return a bool indicating whether pz_mn_name_pat is NULL.
1454         * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
1455         Declare extern C variables for the ENV_TABLE.
1456         * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
1457         instead use the result of mn_get_regexps.
1458         * fixinc/fixtests.c: Likewise.
1459
1460 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
1461
1462         * configure.ac: Do not run fixincludes after stage1 during
1463         toplevel bootstrap.
1464         * configure: Regenerate.
1465
1466 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
1467
1468         * sched-deps.c (get_condition): Partially revert previous, by never
1469         trying to extract the condition from a condjump.
1470
1471 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
1472
1473         * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
1474         (handle_visibility_attribute, c_determine_visibility): Likewise.
1475         * c-common.h (my_friendly_assert): Remove.
1476
1477 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
1478
1479         * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
1480         (UNSPEC_{RSQRT,RECIP}[12]): New constants.
1481         (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
1482         * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
1483         (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.
1484
1485 2004-08-30  Diego Novillo  <dnovillo@redhat.com>
1486
1487         * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
1488         in COMPONENT_REF nodes.
1489
1490 2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1491
1492         PR c++/15378
1493         * c-opts.c (c_common_handle_option): <case OPT_Werror> set
1494         global_dc->warning_as_error_requested.
1495         * diagnostic.c (diagnostic_initialize): Tidy.
1496         * diagnostic.h (diagnostic_context::x_data): Remove
1497         (diagnostic_context::issue_warnings_are_errors_message): Rename
1498         from warnings_are_errors_message.
1499         (diagnostic_context::warning_as_error_requested): New.
1500
1501 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
1502
1503         * sched-deps.c (get_condition): Fix breakage in previous patch.
1504
1505 2004-08-30  Paul Brook  <paul@codesourcery.com>
1506
1507         * doc/install.texi: Fix broken mpfr link.
1508
1509 2004-08-29  David O'Brien  <obrien@FreeBSD.org>
1510
1511         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
1512         other FreeBSD platforms.
1513
1514 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
1515
1516         * arm.h (REVERSE_CONDITION): Define.
1517         (REVERSIBLE_CC_MODE): All comparisons are now reversible.
1518
1519 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
1520
1521         * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
1522         just the codes, call reversed_comparison_code ().
1523         (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
1524         (not_reg_cond): Use reversed_comparison_code.
1525         (and_reg_cond): Likewise.
1526         * ifcvt.c (cond_exec_process_if_block): Likewise.
1527         * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.
1528
1529 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
1530
1531         * sched-deps.c (get_condition): Rewrite using jump support functions.
1532         Use reversed_comparison_code.
1533         (conditions_mutex_p): Use reversed_comparison_code.
1534
1535 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1536
1537         * config/mips/mips.c (override_options): Disable hot/cold partitioning
1538         for MIPS16.
1539
1540 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1541
1542         * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
1543         (mips_function_type): Move to mips.c.
1544         * config/mips/mips.c (mips_builtin_type): New enum.
1545         (builtin_description): Replace code and ftype with builtin_type
1546         and function_type.
1547         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
1548         (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
1549         (CODE_FOR_mips_abs_ps): Define.
1550         (mips_bdesc): Use new macros.
1551         (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
1552         (mips_init_builtins): Use the mips_bdesc[] index as the function code.
1553         (mips_expand_builtin_direct): New function.
1554         (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
1555         builtin.  Replace boolean parameter with builtin_type.
1556         (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
1557         (mips_expand_4s_compare_builtin): Delete, replacing with...
1558         (mips_expand_builtin_compare): ...this new function.
1559
1560 2004-08-29  Mark Mitchell  <mark@codesourcery.com>
1561
1562         PR rtl-optimization/16590
1563         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
1564
1565 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
1566
1567         * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
1568         * tree-ssa-propagate.c: Fix documentation.
1569
1570 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1571
1572         * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
1573         (mov[sd]fcc): Likewise.
1574
1575 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1576
1577         * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.
1578
1579 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1580
1581         * config/mips/mips.md (divide_condition): New mode attribute.
1582         (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
1583         (sqrt[sd]f3): Redefine using SCALARF.
1584         (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
1585         patterns.
1586
1587 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1588
1589         * config/mips/mips.md (ANYF, SCALARF): New mode macros.
1590         (loadx, storex, fmt, UNITMODE): New mode attributes.
1591         (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
1592         (mul[sd]f3): Redefine using :SCALARF.
1593         (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
1594         (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
1595         (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
1596         Check TARGET_FUSED_MADD for V2SF too.
1597         (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
1598         were already named.
1599         (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
1600         (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.
1601
1602 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1603
1604         * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
1605         V2SF_type_node if it will be needed.
1606
1607 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1608
1609         * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
1610         * config/mips/mips.c (mips_prepare_builtin_arg): New function.
1611         (mips_prepare_builtin_target): New function.
1612         (mips_expand_builtin): Use them.  Update calls to subroutines.
1613         (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
1614         cmp_choice with a boolean argument to select between movt and movf.
1615         Take the comparison's icode as an argument, not the function's fcode.
1616         (mips_expand_compare_builtin): New function.  Rename existing function
1617         to mips_expand_scalar_compare_builtin.
1618         (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
1619         (mips_expand_ps_compare_builtin): Use the new functions.  Take the
1620         comparison's icode as an argument, not the builtin's fcode.
1621
1622 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1623
1624         * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
1625         (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
1626         registers are false and -1 if all registers are true.
1627         (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
1628         MIPS_CMP_UPPER and MIPS_CMP_LOWER.
1629         * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
1630         (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
1631         (bc1any2t, bc1any2f): Likewise CCV2.
1632         (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.
1633
1634 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1635
1636         * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
1637         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
1638         UNSPEC rather than an IF_THEN_ELSE.
1639         * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
1640         mips_cond_move_tf_ps by name.
1641
1642 2004-08-29  Chao-ying Fu  <fu@mips.com>
1643             James E Wilson  <wilson@specifixinc.com>
1644
1645         * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
1646         8 byte size and alignment.  Give CCV4 16 byte size and alignment.
1647         * config/mips/mips-ps-3d.md: New file.
1648         * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
1649         TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
1650         (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
1651         (mips_output_move): Emit "mov.ps" for V2SFmode.
1652         (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
1653         MODE_VECTOR_FLOAT.
1654         (override_options): Check if TARGET_MIPS3D and there was an explicit
1655         !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
1656         Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
1657         TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
1658         TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
1659         and allow CCV2 and CCV4 to occupy two and four CC registers.
1660         (print_fcc_operand): New function.
1661         (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
1662         %Z to call print_fcc_operand.
1663         (mips_function_value): Handle MODE_VECTOR_FLOAT.
1664         (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
1665         (mips_vector_mode_supported_p): New function.
1666         (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
1667         (builtin_description): New struct.
1668         (mips_bdesc): New array of struct builtin_description.
1669         (mips_expand_builtin, mips_init_builtins,
1670         mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
1671         mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
1672         functions.
1673         * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
1674         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
1675         (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
1676         (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
1677         "-mips3d", and "-mno-mips3d".
1678         (ASM_SPEC): Map -mips3d to -mips3d in gas.
1679         (EXTRA_CONSTRAINT_Y): New macro.
1680         (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
1681         multi-letter constraint 'Y'.
1682         (CONSTRAINT_LEN): New macro.
1683         (enum mips_builtins): New for MIPS builtin functions.
1684         (enum mips_function_type): New for the types of MIPS builtin functions.
1685         (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
1686         * config/mips/mips.md: New constants for paired single and MIPS-3D
1687         instructions.  Include the new mips-ps-3d.md file.
1688         (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
1689         movv2sf_hardfloat_64bit): New named patterns.
1690         (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
1691         nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
1692         sdxc1_v2sf_di): New unnamed patterns.
1693         * config/mips/predicates.md (const_0_operand, const_1_operand): Add
1694         const_vector support.
1695         (const_0_or_1_operand): New predicate.
1696         * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.
1697
1698 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
1699
1700         * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
1701         (tree-ssa-propagate.o): New rule.
1702         (GTFILES): Add tree-ssa-propagate.c.
1703         * tree-flow.h (struct stmt_ann_d): Remove field
1704         in_ccp_worklist.
1705         * tree-ssa-propagate.c: New file.
1706         * tree-ssa-propagate.h: New file.
1707         * tree-ssa-ccp.c: Re-write to use the routines from
1708         tree-ssa-propagate.c.
1709
1710 2004-08-28  Andrew Pinski  <apinski@apple.com>
1711
1712         * tree-ssa-loop.c: Remove extra include of basic-block.h.
1713
1714 2004-08-28  Ziemowit Laski  <zlaski@apple.com>
1715
1716         * c-common.h: Update comments about ObjC/ObjC++ entry points.
1717         (objc_is_reserved_word): New prototype.
1718         (get_current_scope, objc_mark_locals_volatile): Move prototypes to
1719         separate section; these are call-backs.
1720         * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
1721         ObjC/ObjC++ "@" keywords.
1722         * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
1723         prototypes; they already live in c-common.h.
1724         * stub-objc.c: Update copyright notice.
1725         (objc_is_reserved_word): New stub.
1726
1727 2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>
1728
1729         * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
1730         even when not checking.
1731
1732 2004-08-27  Jason Merrill  <jason@redhat.com>
1733
1734         PR c++/13684
1735         * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
1736         (gimple_push_cleanup): Add eh_only parm.
1737         (gimplify_target_expr): Pass it.
1738         * c.opt (-fno-threadsafe-statics): New option.
1739         * c-opts.c (c_common_handle_option): Handle it.
1740         * c-common.h (flag_threadsafe_statics): Declare it.
1741         * c-common.c (flag_threadsafe_statics): Record it.
1742         * doc/invoke.texi: Document it.
1743         * tsystem.h (_GNU_SOURCE): Define.
1744         * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
1745         (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
1746         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
1747         (__gthread_recursive_mutex_init_function): New fn.
1748         (__gthread_recursive_mutex_lock): New fn.
1749         (__gthread_recursive_mutex_trylock): New fn.
1750         (__gthread_recursive_mutex_unlock): New fn.
1751         * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
1752         * gthr-win32.h, gthr-vxworks.h: Likewise.
1753         * gthr.h: Document.
1754
1755 2004-08-27  David Edelsohn  <edelsohn@gnu.org>
1756
1757         * config/rs6000/rs6000.c (rs6000_override_options): Increase
1758         maximum skip to 15.  Set function alignment, jump alignment, and
1759         loop alignment to 16 for processors that form dispatch groups.
1760         (rs6000_rtx_costs): outer_code is used.
1761
1762 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
1763
1764         * stor-layout.c (sizetype_set): Remove.
1765         (set_sizetype): Don't test or set it.
1766
1767         * tree.h (size_int_type): Remove.
1768         * fold-const.c: Do not #include gt-fold-const.h.
1769         (size_htab_hash, size_htab_eq): Remove.
1770         (size_int_kind): Use build_int_cst.
1771         (new_const, size_htab): Remove.
1772         (size_int_type): Remove.
1773         (round_up): Use build_int_cst.
1774         (round_down): Likewise. Remove spurious constant build.
1775
1776 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
1777
1778         * configure.ac: Add ENABLE_ASSERT_CHECKING control.
1779         Add is_release variable, use it for --enable-werror and
1780         --enable-checking defaults.
1781         * system.h (gcc_assert, gcc_unreachable): New.
1782         * doc/install.texi (--enable-checking): Update.
1783         * configure, config.in: Rebuilt.
1784
1785 2004-08-26  Richard Sandiford  <rsandifo@redhat.com>
1786
1787         * rtl.h (read_rtx): Change prototype.
1788         * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
1789         line number.  Return true on success.
1790         * gensupport.c (process_include, init_md_reader_args_cb): Adjust
1791         callers accordingly.
1792
1793 2004-08-26  Richard Henderson  <rth@redhat.com>
1794
1795         * c-typeck.c (build_offsetof): Remove.
1796         * c-tree.h (build_offsetof): Remove.
1797         * c-common.c (fold_offsetof_1, fold_offsetof): New.
1798         * c-common.h (fold_offsetof): Declare.
1799         * c-parse.in (offsetof_base): New.
1800         (offsetof_member_designator): Use it.  Build references, not just
1801         a tree list.
1802         (primary): Use fold_offsetof, not build_offsetof.
1803
1804 2004-08-26  Richard Henderson  <rth@redhat.com>
1805
1806         * tree.c (staticp): Return the static object.
1807         * tree.h (staticp): Update decl.
1808         * langhooks.h (struct lang_hooks): Change staticp return type to tree.
1809         * langhooks.c (lhd_staticp): Return NULL_TREE.
1810         * langhooks-def.h (lhd_staticp): Update decl.
1811         * c-common.c (c_staticp): Return the static object.
1812         * c-common.h (c_staticp): Update decl.
1813
1814 2004-08-26  Richard Henderson  <rth@redhat.com>
1815
1816         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
1817         modes.
1818
1819 2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>
1820
1821         PR c/13801
1822         * c-decl.c (struct c_binding): Add type and inner_comp fields.
1823         (bind): Set type and inner_comp fields.
1824         (pop_scope): Restore type of decl to the correct type from an
1825         outer scope.  Give error when popping file scope for incomplete
1826         arrays completed incompatibly with default initialization in an
1827         inner scope.
1828         (diagnose_mismatched_decls): Handle externs with initializers at
1829         block scope.
1830         (pushdecl): Set type of external declaration at block scope based
1831         only on the visible declarations.  Save type when changing the
1832         type of a declaration.  Merge an external declaration at block
1833         scope with a visible static declaration at file scope.
1834         (implicitly_declare): Give recycled old declaration the new type
1835         except for incompatible declarations of built-in functions, saving
1836         the old type.
1837
1838 2004-08-26  Ziemowit Laski  <zlaski@apple.com>
1839
1840         * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.
1841
1842 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
1843
1844         * tree-alias-common.c (gate_pta): New function.
1845         (pass_build_pta): Use it.
1846         (pass_del_pta): Use it.
1847         (delete_alias_vars): Don't check flag_tree_points_to.
1848
1849 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
1850
1851         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added
1852         TFmode as additional register mode cloberred by call.
1853
1854 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
1855
1856         * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
1857         parallel pattern for library call returning DImode in
1858         mixed mode.
1859
1860 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
1861
1862         * config/rs6000/rs6000.c (function_arg): Generate parallel
1863         pattern for more split args.
1864
1865 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
1866
1867         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
1868         either gen_movdi_di_update or gen_movdi_si_update depending on
1869         target mode.
1870         * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
1871         to generate two versions.
1872
1873 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
1874
1875         * Makefile.in (lambda-code.o): New.
1876         (lambda-trans.o): Ditto.
1877         (TREE_DATA_REF_H): Ditto.
1878         (LAMBDA_H): Ditto.
1879         (lambda-mat.o): Use LAMBDA_H.
1880         (tree-data-ref.o): Ditto.
1881         * lambda-code.c: New file.  Lambda code generation algorithm.
1882         * lambda-trans.c: Ditto. Lambda transformation matrix support.
1883         * lambda.h: Add lambda loop structures.
1884         Add lambda loopnest structures.
1885         Add lambda body vector structure.
1886         Add lambda linear expression structures.
1887         Add prototypes for functions in new files.
1888         * lambda-mat.c: Include tree.h
1889
1890 2004-08-26  Daniel Berlin <dberlin@dberlin.org>
1891             Sebastian Pop  <pop@cri.ensmp.fr>
1892
1893         * tree-data-ref.h: Include lambda.h
1894         (free_dependence_relation): Declared here.
1895         (free_dependence_relations): Ditto.
1896         (free_data_refs): Ditto.
1897         * tree-data-ref.c (free_dependence_relation): New function.
1898         (free_dependence_relations): Ditto.
1899         (free_data_refs): Ditot.
1900         (analyze_all_data_dependences): Free datarefs and dependence_relations.
1901         (build_classic_dist_vector): Store in the dependence_relations the
1902         information. Each arc in the dependence_relations graph is labelled
1903         with the distance and direction vectors.
1904         (build_classic_dir_vector): Ditto.
1905         (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
1906         Now computes again the whole dependence graph including read-read
1907         relations.
1908         (compute_data_dependences_for_loop): Now dependence_relations contains
1909         all the data, and thus it doesn't need to initialize the classic_dir
1910         and classic_dist vectors.
1911         (analyze_all_data_dependences): Adjusted for using the new interface of
1912         compute_data_dependences_for_loop.  Remove the statistics dump.
1913
1914 2004-08-26  Bob Wilson  <bob.wilson@acm.org>
1915
1916         * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
1917         (xtensa_expand_block_move): Update comment.
1918         (override_options): Remove initialization of xtensa_{ld,st}_opcodes.
1919
1920 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
1921
1922         PR target/13506
1923         * toplev.c (crash_signal): If we crashed while emitting
1924         a user asm, then die more gracefully.
1925
1926 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
1927
1928         PR target/17119.
1929         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
1930         checking for a valid constant, regardless of sign.
1931
1932 2004-08-25  Richard Henderson  <rth@redhat.com>
1933
1934         PR target/16974
1935         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
1936         if the constant satisfies add_operand.
1937
1938 2004-08-25  Richard Henderson  <rth@redhat.com>
1939
1940         PR debug/10695
1941         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
1942         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
1943         unwind info for >16-bit frames.
1944
1945 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
1946
1947         PR target/17171
1948         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
1949
1950 2004-08-25  Richard Henderson  <rth@redhat.com>
1951
1952         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
1953         (TARGET_CANNOT_FORCE_CONST_MEM): New.
1954
1955 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
1956
1957         * doc/tree-ssa.texi: Document new operand iterator.
1958
1959 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
1960
1961         PR target/16480
1962         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
1963         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
1964         as PLUS base regs.
1965
1966 2005-08-28  Paul Brook  <paul@codesourcery.com>
1967
1968         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
1969         -mfpu=vfp -march=armv5t
1970         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
1971
1972 2004-08-25  Richard Henderson  <rth@redhat.com>
1973
1974         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
1975         * target.h (struct gcc_target): Add scalar_mode_supported_p.
1976         * targhooks.c (default_scalar_mode_supported_p): New.
1977         * targhooks.h (default_scalar_mode_supported_p): Declare.
1978         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
1979
1980         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
1981         before attempting to create types.  Tidy.
1982         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
1983
1984         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
1985         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
1986
1987 2004-08-25  Richard Henderson  <rth@redhat.com>
1988
1989         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
1990         set REAL_MODE_FORMAT for TFmode.
1991
1992 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
1993
1994         * c-decl.c (grokparm): New function.
1995         * c-tree.h (grokparm): New prototype.
1996
1997 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
1998
1999         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
2000         iterator controlling structure.
2001         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
2002         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
2003         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
2004         iterator flags.
2005         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
2006         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
2007         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
2008         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
2009         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New.
2010         Empty operand pointers.
2011         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
2012         (op_iter_next_use): New.  Return next use_operand_p.
2013         (op_iter_next_def): New.  Return next def_operand_p.
2014         (op_iter_next_tree): New.  Return next operands as a tree.
2015         (op_iter_init): New.  Initialize an iterator structure.
2016         (op_iter_init_use): New.  Initialize structure and get the first use.
2017         (op_iter_init_def): New.  Initialize structure and get the first def.
2018         (op_iter_init_tree): New.  Initialize structure and get the first tree.
2019         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
2020         (op_iter_init_maydef): New.  Initialize structure and get the first
2021         V_MAY_DEF operands.
2022         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
2023         * tree-dfa.c (compute_immediate_uses_for_stmt,
2024         redirect_immediate_uses): Use new operand iterator.
2025         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
2026         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
2027         operands instead of using *_disappeared_p routines.
2028         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
2029         ssa_rewrite_stmt): Use new operand iterator.
2030         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
2031         rewrite_trees): Use new operand iterator.
2032         * tree-pretty-print.c (dump_vops): Use new operand iterator.
2033         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
2034         * tree-ssa-alias.c (compute_points_to_and_addr_escape,
2035         dump_points_to_info): Use new operand iterator.
2036         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize,
2037         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new
2038         operand iterator.
2039         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary,
2040         propagate_necessity): Use new operand iterator.
2041         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
2042         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
2043         a parameter instead of a stmt_ann_t.
2044         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
2045         build_tree_conflict_graph): Use new operand iterator.
2046         * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
2047         rewrite_mem_refs): Use new operand iterator.
2048         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
2049         check_loop_closed_ssa_use): Use new operand iterator.
2050         * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
2051         * tree-ssanames.c (release_defs): Use new operand iterator.
2052         * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.
2053
2054 2004-08-25  Adam Nemet  <anemet@lnxw.com>
2055
2056         * tlink.c (initial_cwd): New variable.
2057         (tlink_init): Initialize it.
2058         (recompile_files): Use tlink_execute() instead of system().  Don't
2059         duplicate verbose output of collect_execute.  Restore initial_cwd.
2060         Update comment before the function.
2061
2062 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
2063
2064         * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
2065         accept) a cast from one Objective-C pointer type to another.
2066
2067 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
2068
2069         * doc/install.texi: Document that libstdc++-v3 requires
2070         now automake 1.9.1.
2071
2072 2004-08-25  Caroline Tice  <ctice@apple.com>
2073
2074         * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
2075         to comments at start of function.
2076         * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
2077         comment.
2078         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
2079         merge_blocks_move_predecessor_nojumps,
2080         merge_blocks_move_successor_nojumps, merge_blocks_move,
2081         try_crossjump_to_edge, try_crossjump_bb): Likewise.
2082         * cfglayout.c (fixup_reorder_chain): Likewise.
2083         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
2084         cfg_layout_can_merge_blocks_p):  Likewise.
2085         * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
2086         * passes.c (rest_of_compilation): Update comments for calling
2087         optimization that partitions hot/cold basic blocks.
2088         * doc/invoke.texi:  Update documentation of
2089         freorder-blocks-and-partition flag.
2090
2091 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
2092
2093         * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
2094         (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.
2095
2096 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
2097
2098         * config/mips/mips.md (any_shift): New code macro.
2099         (optab, insn): New code attributes.
2100         ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
2101         Use the standard rather than internal patterns for the MIPS16
2102         double-shift optimization.
2103         (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
2104         Redefine using :GPR and any_shift.
2105         (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
2106         to cover all three shifts.
2107         (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
2108         Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
2109         (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.
2110
2111 2004-08-24  Geoffrey Keating  <geoffk@apple.com>
2112
2113         * gimplify.c (lookup_tmp_var): Separate temporaries when not
2114         optimizing.
2115
2116 2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2117
2118         PR libstdc++/17005 (fix for HP-UX 11.11)
2119         * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
2120         (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
2121         tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.
2122         * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
2123         * config/pa/pa-hpux.h (TARGET_HPUX): Define.
2124         (LINK_SPEC): Handle march=1.0 option.
2125         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
2126         and _XOPEN_SOURCE_EXTENDED for UNIX 95.
2127         (SUBTARGET_OPTIONS): New define.
2128         (LINK_SPEC): Handle march=1.0 option.
2129         (STARTFILE_SPEC): New define.
2130         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
2131         and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
2132         _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
2133         (SUBTARGET_OPTIONS): New define.
2134         (LINK_SPEC): Handle march=1.0 option.
2135         (STARTFILE_SPEC): New define.
2136         * config/pa/pa.c (override_options): Add code to process -munix= option.
2137         * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
2138         (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
2139         defines.
2140         (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
2141         (SUBTARGET_OPTIONS): Provide default define.
2142         * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
2143         STANDARD_STARTFILE_PREFIX_2): New defines.
2144         (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
2145         (ENDFILE_SPEC): Use %O.
2146         * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
2147         Mention issue caused by changing namespace and runtime to UNIX 95/98.
2148         * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
2149         Document -munix=std option.
2150
2151 2004-08-25  Steven Bosscher  <stevenb@suse.de>
2152
2153         * cse.c (cse_around_loop, cse_check_loop_start,
2154         cse_set_around_loop): Remove.
2155         (cse_basic_block): Remove the around_loop argument.
2156         (cse_end_of_basic_block): Remove the after_loop argument.
2157         (cse_main): Likewise.
2158         * rtl.h (cse_main): Update prototype.
2159         * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
2160         rest_of_handle_gcse): Update cse_main calls.
2161
2162 2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>
2163
2164         * tree.h  (build_int_cst): New, sign extended constant.
2165         (build_int_cstu): New, zero extended constant.
2166         (build_int_cst_wide): Renamed from build_int_cst.
2167         * tree.c (build_int_cst, build_int_cstu): New.
2168         (build_int_cst_wide): Renamed from build_int_cst.
2169         (make_vector_type, build_common_tree_nodes,
2170         build_common_tree_nodes_2): Adjust build_int_cst calls.
2171         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
2172         expand_builtin_strpbrk, expand_builtin_fputs,
2173         build_string_literal, expand_builtin_printf,
2174         expand_builtin_sprintf, fold_builtin_classify_type,
2175         fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
2176         fold_builtin_toascii, fold_builtin_isdigit,
2177         simplify_builtin_strstr, simplify_builtin_strpbrk,
2178         fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
2179         * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
2180         DEF_ATTR_INT): Likewise.
2181         * c-decl.c (complete_array_type, check_bitfield_type_and_width):
2182         Likewise.
2183         * c-lex.c (interpret_integer, lex_charconst): Likewise.
2184         * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
2185         * c-pretty-print.c (pp_c_integer_constant): Likewise.
2186         * c-typeck.c (really_start_incremental_init, push_init_level,
2187         set_nonincremental_init_from_string): Likewise.
2188         * calls.c (load_register_parameters): Likewise.
2189         convert.c (convert_to_pointer): Likewise.
2190         coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
2191         build_fn_info_type, build_fn_info_value, build_ctr_info_value,
2192         build_gcov_info): Likewise.
2193         * except.c (init_eh, assign_filter_values): Likewise.
2194         * expmed.c (store_fixed_bit_field, extract_bit_field,
2195         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
2196         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
2197         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
2198         * expr.c (convert_move, emit_group_load, emit_group_store,
2199         expand_assignment, store_constructor, store_field,
2200         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
2201         fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
2202         invert_truthvalue, optimize_bit_field_compare,
2203         decode_field_reference, all_ones_mask_p, constant_boolean_node,
2204         fold_div_compare, fold, fold_read_from_constant_string,
2205         fold_negate_const, fold_abs_const, fold_not_const, round_up,
2206         round_down): Likewise.
2207         * function.c (assign_parm_setup_block): Likewise.
2208         * stmt.c (shift_return_value, expand_case, estimate_case_costs):
2209         Likewise.
2210         * stor-layout.c (layout_type, initialize_sizetypes,
2211         set_min_and_max_values_for_integral_type): Likewise.
2212         * tree-chrec.c (chrec_fold_multiply_poly_poly,
2213         reset_evolution_in_loop): Likewise.
2214         * tree-chrec.h (build_polynomial_chrec): Likewise.
2215         * tree-complex.c (build_replicated_const): Likewise.
2216         * tree-eh.c (honor_protect_cleanup_actions,
2217         lower_try_finally_onedest, lower_try_finally_copy,
2218         lower_try_finally_switch): Likewise.
2219         * tree-mudflap.c (mf_build_string, mx_register_decls,
2220         mudflap_register_call, mudflap_enqueue_constant): Likewise.
2221         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
2222         * tree-pretty-print.c (dump_generic_node): Likewise.
2223         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
2224         Likewise.
2225         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
2226         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2227         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
2228         Likewise.
2229         * tree-ssa-loop-ivcanon.c (create_canonical_iv,
2230         canonicalize_loop_induction_variables): Likewise.
2231         * tree-vectorizer.c (vect_create_index_for_array_ref,
2232         vect_transform_loop_bound, vect_compute_data_ref_alignment):
2233         Likewise.
2234
2235         * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
2236         alpha_gimplify_va_arg_1): Likewise.
2237         * config/arm/arm.c (arm_get_cookie_size): Likewise.
2238         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2239         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2240         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2241         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
2242         mips_gimplify_va_arg_expr): Likewise.
2243         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2244         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
2245         add_compiler_branch_island): Likewise.
2246         * config/s390/s390.c (s390_va_start): Likewise.
2247         * config/sh/sh.c (sh_va_start): Likewise.
2248         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2249         Likewise.
2250         * config/xtensa/xtensa.c (xtensa_va_start,
2251         xtensa_gimplify_va_arg_expr): Likewise.
2252
2253         * objc/objc-act.c (build_objc_string_object,
2254         build_objc_symtab_template, init_def_list, init_objc_symtab,
2255         init_module_descriptor, generate_static_references,
2256         build_selector_translation_table, get_proto_encoding,
2257         build_typed_selector_reference, build_selector_reference,
2258         build_next_objc_exception_stuff,
2259         build_method_prototype_list_template, generate_descriptor_table,
2260         generate_protocols, build_protocol_initializer,
2261         build_ivar_list_template, build_method_list_template,
2262         build_ivar_list_initializer, generate_ivars_list,
2263         generate_dispatch_table, generate_protocol_list,
2264         build_category_initializer, build_shared_structure_initializer,
2265         generate_shared_structures, handle_impent,
2266         generate_objc_image_info): Likewise.
2267
2268 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
2269
2270         * cfglayout.c (duplicate_insn_chain): Remove references to
2271         NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
2272         * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
2273         * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
2274         * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
2275         and NOTE_INSN_LOOP_CONT.
2276         * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
2277         * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
2278         and NOTE_INSN_LOOP_CONT.
2279         * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
2280         check_dbra_loop, loop_dump_aux): Remove references to removed notes
2281         and fields.
2282         * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
2283         * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
2284         references to removed notes and fields.
2285         (subtract_reg_term, ujump_to_loop_cont): Remove.
2286
2287 2004-08-25  Paolo Bonzini  <bonzini@gnu.org>
2288
2289         * doc/install.texi: Document that libcpp does not require
2290         Automake any longer.  Document that Automake 1.9.1 should
2291         work everywhere.
2292
2293 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
2294
2295         * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
2296         * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
2297         DWARF_DEBUGGING_INFO from choice-of-definition chain;
2298         restructure using C89 features (#elif, #error).
2299         * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
2300         * config/sh/sh.h: Remove references to DWARF_DEBUG.
2301         * doc/invoke.texi: Remove references to DWARF version 1;
2302         clarify why -gdwarf-2<n> doesn't work.
2303
2304 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
2305
2306         * basic-block.h (BB_SET_PARTITION): Clear old value first.
2307         * cfg.c (clear_bb_flags): Don't clear partition setting.
2308         * ifcvt.c (find_if_case_1): Remove ??? comment.
2309
2310 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
2311
2312         PR target/17052
2313         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
2314         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
2315         current_function_stdarg in place of sysv_varargs_p.
2316         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
2317         sysv_varargs_p.
2318
2319 2004-08-24  Richard Henderson  <rth@redhat.com>
2320
2321         PR target/16298
2322         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
2323         random codes within CONST.
2324
2325 2004-08-24  James E Wilson  <wilson@specifixinc.com>
2326
2327         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
2328         -freorder-blocks-and-partition.
2329
2330 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2331
2332         PR middle-end/17044
2333         * tree-ssa-threadupdate.c (redirection_data): Make static.
2334         (thread_block): Use ggc_alloc_cleared to allocate struct
2335         redirection_data.  Don't free elements in redirection_data.
2336
2337 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2338
2339         * config/mips/predicates.md (small_data_pattern): Match prefetches.
2340
2341 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2342
2343         PR tree-optimization/17016
2344         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2345         number_of_iterations_exit): Use POINTER_TYPE_P instead
2346         of testing for POINTER_TYPE.
2347
2348 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2349
2350         * tree-ssa-loop-ivcanon.c: New file.
2351         * tree-ssa-loop-manip.c (create_iv): New function.
2352         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
2353         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
2354         * cfgloop.c (mark_single_exit_loops): New function.
2355         (verify_loop_structure): Verify single-exit loops.
2356         * cfgloop.h (struct loop): Add single_exit field.
2357         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
2358         (mark_single_exit_loops): Declare.
2359         (tree_num_loop_insns): Declare.
2360         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
2361         (duplicate_loop_to_header_edge): Use it.
2362         * common.opt (fivcanon): New flag.
2363         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
2364         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
2365         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
2366         (bsi_insert_on_edge_immediate): New function.
2367         * tree-flow.h (bsi_insert_on_edge_immediate,
2368         canonicalize_induction_variables, tree_unroll_loops_completely,
2369         create_iv): Declare.
2370         * tree-optimize.c (init_tree_optimization_passes): Add
2371         pass_iv_canon and pass_complete_unroll.
2372         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
2373         * tree-scalar-evolution.c (get_loop_exit_condition,
2374         get_exit_conditions_rec, number_of_iterations_in_loop,
2375         scev_initialize): Use single_exit information.
2376         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
2377         missing assumptions.
2378         (loop_niter_by_eval):  Return number of iterations as unsigned
2379         int.
2380         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
2381         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
2382         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
2383         New passes.
2384         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
2385         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
2386         the defining statement is ready.
2387         * tree-vectorizer.c (vect_create_iv_simple): Removed.
2388         (vect_create_index_for_array_ref, vect_transform_loop_bound):
2389         Use create_iv.
2390         (vect_transform_loop_bound): Use single_exit information.
2391         (vect_analyze_loop_form): Cleanup bogus tests.
2392         (vectorize_loops): Do not call flow_loop_scan.
2393         * tree.h (may_negate_without_overflow_p): Declare.
2394         * fold-const.c (may_negate_without_overflow_p): Split out from ...
2395         (negate_expr_p): ... this function.
2396         (tree_expr_nonzero_p): Handle overflowed constants correctly.
2397         * doc/invoke.texi (-fivcanon): Document.
2398         * doc/passes.texi: Document canonical induction variable creation.
2399
2400 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2401
2402         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
2403         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
2404         using the mode of the operand to decide between them.
2405         * config/mips/mips.md (MOVECC): New mode macro.
2406         (ccreg): New mode attribute.
2407         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
2408         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
2409         (mov[sd]icc): Redefine using :GPR.
2410
2411 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2412
2413         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
2414         (mips_prefetch_cookie): New function.
2415         * config/mips/mips.c (print_operand_address): Fix handling of
2416         ADDRESS_CONST_INT.
2417         (mips_emit_prefetch): Delete.
2418         (mips_prefetch_cookie): New function.
2419         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
2420         mode of QImode for the address_operand.  Use mips_prefetch_cookie
2421         to calculate the first "pref" operand.
2422         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
2423         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
2424
2425 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
2426
2427         * arm.md: Include predicates.md.
2428         * predicates.md: New file.
2429         * arm.c (s_register_operand, arm_hard_register_operand)
2430         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
2431         (arm_immediate_operand, arm_neg_immediate_operand)
2432         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
2433         (arm_add_operand, arm_addimm_operand, arm_not_operand)
2434         (offsettable_memory_operand, alignable_memory_operand)
2435         (arm_reload_memory_operand, arm_float_rhs_operand)
2436         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
2437         (index_operand, shiftable_operator, logical_binary_operator)
2438         (shift_operator, equality_operator, arm_comparison_operator)
2439         (minmax_operator, cc_register, dominant_cc_register)
2440         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
2441         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
2442         (const_shift_operand, load_multiple_operation)
2443         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
2444         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
2445         (cirrus_register_operand, cirrus_fp_register)
2446         (cirrus_shift_const): Delete, replaced with equivalents in
2447         predicates.md.
2448         (shift_op): Handle ROTATE.
2449         * arm-protos.h: Delete declarations for above.
2450         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
2451         * t-arm (MD_INCLUDES): Add predicates.md.
2452         (s-preds): Depends on MD_INCLUDES.
2453
2454 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2455
2456         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
2457         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
2458         patterns.  Redefine using :GPR.  Give the match_operator a mode.
2459         Use '%2' rather than '%z2' for operand 2.
2460
2461 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2462
2463         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
2464         attribute.
2465
2466 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2467
2468         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
2469         of internal patterns.
2470         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
2471         Redefine using :P.
2472         (tablejump): Use expand_binop to calculate address.  Adjust names
2473         of internal patterns.
2474         (tablejump[sd]i): Renamed from tablejump_internal[12].
2475         Redefine using :P.
2476         (tablejump_mips16[12]): Delete.
2477
2478 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2479
2480         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
2481         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
2482         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
2483         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
2484         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
2485
2486 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2487
2488         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
2489         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
2490         using :GPR.
2491         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
2492         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
2493         (*branch_equality[sd]i_inverted): Likewise
2494         branch_equality{,_di}_inverted.
2495         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
2496         Redefine using :GPR.
2497
2498 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
2499
2500         * rtl.def: Reorganize, placing all codes used only in machine
2501         descriptions at the end.
2502
2503         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
2504         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
2505         rtx_name, rtx_format arrays by direct reference to rtl.def,
2506         first undefining GENERATOR_FILE.  Define enum insn_note and
2507         note_insn_name array by direct reference to insn-notes.def.
2508         (adjust_field_rtx_def): Remove local definition of rtx_name.
2509         Use symbolic names for insn notes.
2510         * Makefile.in (gengtype.o): Update dependencies.
2511
2512 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
2513
2514         * basic-block.h (struct basic_block_def): Reorder fields to
2515         eliminate interior padding.  Remove 'partition' field.
2516         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
2517         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
2518         (BB_COPY_PARTITION): New macros.
2519         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
2520         Replace all references to the 'partition' field of a basic
2521         block with new macros.
2522
2523         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
2524         * final.c (final_scan_insn): Don't handle it.
2525         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
2526         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
2527         * sched-rgn.c (sched_is_disabled_for_current_region_p):
2528         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
2529
2530 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
2531
2532         * c-decl.c (c_init_decl_processing): Adjust
2533         build_common_tree_nodes call.
2534         * expmed.c (const_mult_add_overflow_p): Use
2535         build_distinct_type_copy.
2536         * stor-layout.c (early_type_list): Remove.
2537         (layout_type): Don't append to early_type_list.
2538         (initialize_sizetypes): Add signed_p argument.
2539         (set_sizetype): Overwrite the stub type nodes directly.
2540         * tree.c (copy_node_stat): Clear a type's value cache here ...
2541         (build_distinct_type): ... not here.
2542         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
2543         * tree.h (initialize_sizetypes): Add signed_p argument.
2544         (build_common_tree_nodes): Likewise.
2545
2546         * objc/objc-act.c (get_static_reference): Use
2547         build_variant_type_copy.
2548         (get_protocol_reference): Likewise.
2549         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
2550
2551 2004-08-24  Richard Henderson  <rth@redhat.com>
2552             Andrew Pinski  <apinski@apple.com>
2553
2554         * gimplify.c (gimplify_array_ref_to_plus): Delete.
2555         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
2556         for ARRAY_REF.
2557
2558         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
2559         ARRAY_REF also to get to the STRING_CST.
2560
2561 2004-08-24  Paul Brook  <paul@codesourcery.com>
2562
2563         * config/arm/arm.c (arm_override_options): Update error message.
2564         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
2565         TARGET_HARD_FLOAT_ABI.
2566         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
2567         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
2568
2569 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2570
2571         PR target/17093
2572         * config/m32r.md (movsi_sda): Add SI mode specification to
2573         UNSPEC.
2574
2575 2004-08-24  Nick Clifton  <nickc@redhat.com>
2576
2577         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
2578         of seth_add3_operand.
2579
2580 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
2581
2582         * Makefile.in (PROTO_OBJS): Add errors.o.
2583         * protoize.c (fancy_abort): Remove.
2584         * mips-tfile.c (fancy_abort): Add parameters.
2585
2586 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
2587
2588         * doc/trouble.texi (C++ misunderstandings): Fix example code.
2589
2590 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
2591
2592         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
2593         (host-default.o): Add dependency on HOOKS_H.
2594         * config/x-linux: Likewise.
2595         * config/x-solaris: Likewise.
2596         * config/i386/x-mingw32: Likewise.
2597         * config/rs6000/x-darwin: Likewise.
2598
2599 2004-08-23  James E Wilson  <wilson@specifixinc.com>
2600
2601         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
2602         DEF_REG_NOTE.
2603
2604 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
2605
2606         PR c/14492
2607         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
2608
2609 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
2610
2611         * cfg.c (check_bb_profile): Fix typos.
2612         * function.c (assign_parm_is_stack_parm): Likewise.
2613         * tree-nested.c: Likewise.
2614
2615 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
2616
2617         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
2618         Remove TYPECODE.
2619         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
2620
2621 2004-08-23  Eric Christopher  <echristo@redhat.com>
2622
2623         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
2624         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
2625         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
2626         * target.h: Ditto.
2627         * hooks.h: Include machmode.h.
2628         (hook_bool_mode_false): Declare.
2629         * hooks.c (hook_bool_mode_false): Define.
2630         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
2631         * stor-layout.c (layout_type): Ditto.
2632         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
2633         Define to target macro.
2634         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
2635         * config/arm/arm.c: Ditto. Use.
2636         * config/arm/arm.h: Ditto.
2637         * config/arm/arm-protos.h: Ditto.
2638         * config/i386/i386.c: Ditto.
2639         * config/i386/i386.h: Ditto.
2640         * config/rs6000/rs6000.c: Ditto.
2641         * config/rs6000/rs6000.h: Ditto.
2642         * config/sh/sh.c: Ditto.
2643         * config/sh/sh.h: Ditto.
2644         * config/sh/sh-protos.h: Ditto.
2645         * config/sh/sh.md: Use.
2646         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
2647         to TARGET_VECTOR_MODE_SUPPORTED_P.
2648
2649 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
2650
2651         * Makefile.in (BUILD_ERRORS): Set to build-errors.
2652         (errors.o): New target for host.
2653         (build-errors.o): New target for build.
2654         (genobjs): Replace errors.o with build-errors.
2655         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
2656         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
2657         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
2658         (fix-header.o): Add errors.h
2659         * collect2.c (fancy_abort): Add parameters.
2660         * collect2.h (fancy_abort): Don't declare.
2661         * errors.h (fancy_abort): Don't declare.
2662         * errors.c: Include either bconfig.h or config.h.
2663         (fancy_abort): Trim filename.
2664         * fix-header.c (v_fatal, fatal): Remove.
2665         (progname): Remove definition.
2666         (main): Set progname here.
2667         * gcc.c (fancy_abort): Add parameters.
2668         * gcc.h (fancy_abort): Remove declaration.
2669         * gcov.c (fancy_abort): Remove.
2670         * rtl.h (fancy_abort): Don't declare.
2671         (abort): Don't define.
2672         * tree.h (fancy_abort): Don't declare.
2673         (abort): Don't define.
2674         * system.h (fancy_abort): Declare.
2675         (abort): Define to fancy_abort.
2676         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
2677
2678         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
2679         (usize_type, ubitsizetype): Remove.
2680         * stor-layout.c (set_sizetype): Don't initialize usizetype,
2681         ubitsizetype.
2682         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
2683
2684         * tree.h (build_distinct_type_copy): New.
2685         (build_type_copy): ... here.  Rename to ...
2686         (build_variant_type_copy): ... here.
2687         * tree.c (build_qualified_type): Rename build_type_copy call.
2688         (build_distinct_type_copy): New, broken out of ...
2689         (build_type_copy): ... here.  Rename to ...
2690         (build_variant_type_copy): ... here.  Use
2691         build_distinct_type_copy.
2692         (build_common_tree_nodes_2): Rename build_type_copy call.
2693         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
2694         call.
2695         (handle_packed_attribute, handle_unused_attribute,
2696         handle_transparanet_union_attribute, handle_aligned_attribute,
2697         handle_deprecated_attribute): Likewise.
2698         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
2699         Likewise.
2700         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
2701         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
2702         build_distinct_type_copy.
2703
2704 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2705
2706         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
2707         attribute.
2708
2709 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2710
2711         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
2712         loads and stores.
2713         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
2714         formerly unnamed patterns.  Redefine using :P for the address.  Remove
2715         explicit length attributes.
2716
2717 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2718
2719         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
2720         New functions.
2721         (single_reachable_address): Use them.
2722         (schedule_sm): Add dump.
2723         (is_call_clobbered_ref): New function.
2724         (determine_lsm_reg): Check whether the reference is call clobbered.
2725         Only work for gimple_reg_type values.
2726
2727 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2728
2729         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
2730         $31 store insns.  Redefine using :GPR.
2731
2732 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2733
2734         * config/mips/mips.md (P): New mode macro.
2735         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
2736         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
2737         Add mode attributes.
2738
2739 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2740
2741         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
2742         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
2743         later constants to cover the gap.
2744         (load, store): New mode attributes.
2745         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
2746         Use new unspec constants.
2747
2748 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2749
2750         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
2751         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
2752         to use register_operand rather than uns_arith_operand as the predicate
2753         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
2754         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
2755         Redefine using :GPR.  Make same predicate change here.  Extend the
2756         commutativity of operands 1 and 2 from the SImode version to the
2757         DImode one.
2758         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
2759         but with no predicate changes.
2760         (*nor[sd]i3): Redefine using :GPR.
2761
2762 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2763
2764         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
2765         noreturn functions.
2766
2767 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2768
2769         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
2770         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
2771         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
2772         rather than "%z2" (with a fake const0_rtx for operand 2).
2773         (ffs[sd]i2): Redefine using :GPR.
2774         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
2775
2776 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2777
2778         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
2779
2780 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2781
2782         * config/mips/mips.md (any_extend): New code macro.
2783         (u, su): New code attributes.
2784         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
2785         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
2786         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
2787         (*{s,u}mul_acc_di): Redefine using any_extend.
2788         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
2789         to reflect real insn names.
2790         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
2791         with an any_extend template.
2792         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
2793         Add '*' to name.
2794
2795 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2796
2797         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
2798         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
2799         (mul[sd]i3_r4000): Redefine using :GPR.
2800         (mulsi3_mult3): Don't check TARGET_MAD separately.
2801         (muldi3_mult3): Moved after mulsi_mult3.
2802
2803 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2804
2805         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
2806         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
2807         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
2808         (TARGET_GAS, TARGET_MIPS_AS): Delete.
2809         (TARGET_GPWORD): Define to true for n32 on IRIX.
2810         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
2811         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
2812         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
2813         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
2814         (MDEBUG_ASM_SPEC): Delete, folding into...
2815         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
2816         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
2817         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
2818         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
2819         to define asm_abi_default_spec.
2820         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
2821         (TARGET_ASM_SELECT_SECTION): Delete.
2822         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
2823         for non-mips16 code, removing previous workaround for SGI assemblers.
2824         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
2825         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
2826         (override_options): Remove !TARGET_GAS and !have_named_sections code.
2827         (print_operand): Fold TARGET_GAS conditionals into asm strings.
2828         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
2829         ASM_STABS_OP and ASM_STABN_OP.
2830         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
2831         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
2832         (mips_output_function_prologue): Remove !TARGET_GAS code.
2833         (mips_select_rtx_section): Remove !have_named_sections code.
2834         (mips_select_section): Delete.
2835         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
2836         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
2837         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
2838         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
2839         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
2840         * config/mips/windiss.h (ASM_SPEC): Likewise.
2841
2842 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2843
2844         * read-rtl.c (map_value, mapping, macro_group): New structures.
2845         (BELLWETHER_CODE): New macro.
2846         (modes, codes, bellwether_codes): New variables.
2847         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
2848         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
2849         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
2850         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
2851         (add_map_value, initialize_macros): New functions.
2852         (def_hash, def_hash_eq_p): Generalize to anything that points to,
2853         or starts with, a char * field.
2854         (find_macro, read_mapping, check_code_macro): New functions.
2855         (read_rtx_1): New, split out from read_rtx.  Handle the new
2856         define_{mode,code}_{macro,attr} constructs.  Use find_macro
2857         to parse the name of a code or mode.  Use BELLWETHER_CODE to
2858         extract the format and to choose a suitable code for rtx_alloc.
2859         Modify recursive invocations to use read_rtx_1.
2860         (read_rtx): Call initialize_macros.  Apply code and mode macros
2861         to the rtx returned by read_rtx_1.  Cache everything after the
2862         first macro expansion for subsequent read_rtx calls.
2863         * doc/md.texi: Document new .md constructs.
2864         * config/mips/mips.md (GPR): New mode macro.
2865         (d, si8_di5): New mode attributes.
2866         (any_cond): New code macro.
2867         (add[sd]i3): Redefine using :GPR.
2868         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
2869         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
2870         previously unnamed MIPS16 patterns.
2871         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
2872         lines.  Don't match (plus (const_int 0) ...).
2873         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
2874         Use a define_split to generate the addition.
2875         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
2876         (subsi3_internal): Delete.
2877         (*subsi3_extended): Renamed from subsi3_internal_2.
2878         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
2879         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
2880         using an any_cond template.
2881
2882 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2883
2884         * read-rtl.c (read_rtx): Tidy use of format_ptr.
2885
2886 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2887
2888         * read-rtl.c (string_obstack): New file-scope variable.
2889         (read_string, read_quoted_string, read_braced_string)
2890         (read_escape): Remove obstack parameter and use string_obstack instead.
2891         (read_rtx): Remove function-local rtl_obstack and initialize
2892         string_obstack instead.  Update call to read_string.
2893
2894 2004-08-22  Andrew Pinski  <apinski@apple.com>
2895
2896         PR c/15262
2897         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
2898         expression is not constant.
2899         (c_finish_return): Do not go through INDIRECT_REF when looking
2900         for the inner expression of an ADDR_EXPR for warning about.
2901
2902 2004-08-22  Richard Henderson  <rth@redhat.com>
2903
2904         PR 17075
2905         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
2906         create new blocks and fall through.
2907         (expand_gimple_basic_block): Update to match.
2908
2909 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
2910
2911         * reload.c (find_reloads_address): Make return value tri-state.
2912         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
2913         (find_reloads): Assume that reloaded addresses match 'o' or
2914         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
2915         returned 1 (not -1).  Omit optional reloads for address operands
2916         only if find_reloads_address returned 1 (not -1).
2917
2918         * config/s390/s390.c (legitimize_reload_address): New function.
2919         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
2920         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
2921         legitimize_reload_address.
2922
2923 2004-08-22  Richard Hendersion  <rth@redhat.com>
2924
2925         * tree.h (SAVE_EXPR_RESOLVED_P): New.
2926         * gimplify.c (gimplify_save_expr): Use it.
2927         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
2928         on the temporary variable.
2929
2930 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
2931
2932         * fold-const.c (rtl_expr_nonnegative_p): Delete.
2933         * tree.h (rtl_expr_nonnegative_p): Remove.
2934
2935 2004-08-22  Steven Bosscher  <stevenb@suse.de>
2936
2937         * config/i386/ppro.md (ppro_complex_insn): Add missing check
2938         for cpu==pentiumpro.
2939
2940         * combine.c (struct reg_stat): Fix comment typo.
2941
2942 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
2943
2944         * c-tree.h (c_sizeof_nowarn): Remove.
2945
2946 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
2947
2948         * c-decl.c (set_array_declarator_type): Rename to
2949         set_array_declarator_inner.
2950         (build_c_parm, build_attrs_declarator, build_function_declarator):
2951         New functions.
2952         (make_pointer_declarator): Call build_attrs_declarator.
2953         * c-tree.h (set_array_declarator_type): Rename to
2954         set_array_declarator_inner.
2955         (build_c_parm, build_attrs_declarator, build_function_declarator):
2956         New prototypes.
2957         * c-parse.in (after_type_declarator,
2958         parm_declarator_starttypename, parm_declarator_nostarttypename,
2959         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
2960         firstparm): Use these functions
2961
2962 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
2963
2964         * c-decl.c (build_array_declarator, set_array_declarator_type,
2965         start_decl, grokdeclarator, grokparms): Change boolean parameters
2966         to type bool.
2967         * c-tree.h (build_array_declarator, set_array_declarator_type,
2968         start_decl): Update prototypes.
2969         * c-decl.c, c-parse.in: All callers changed.
2970
2971 2004-08-21  Mike Stump  <mrs@apple.com>
2972
2973         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
2974         (darwin_fix_and_continue): Likewise.
2975         (darwin_fix_and_continue_switch): Likewise.
2976         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
2977         (darwin_fix_and_continue): Likewise.
2978         (darwin_fix_and_continue_switch): Likewise.
2979
2980 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
2981
2982         PR  c++/16030
2983         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
2984         Remove, merging into ...
2985         (gen_stdcall_or_fastcall_suffix): New function, returning tree
2986         rather than const char*, and accepting additional parameter.
2987         Don't add suffix to '*'-prefixed symbols or variadic functions.
2988         (i386_pe_encode_section_info): Adjust for call to new function.
2989         Call change_decl_assembler_name.
2990
2991 2004-08-20  Mike Stump  <mrs@apple.com>
2992
2993         * config/darwin.c (machopic_indirect_data_reference): Mark
2994         stubs as defined.
2995         * config/386/386.c (darwin_local_data_pic): Add.
2996         (legitimate_constant_p): Reorder so that PLUS handling runs
2997         before darwin_local_data_pic to match the ordering in
2998         legitimate_pic_address_disp_p and so that MINUS runs after
2999         darwin_local_data_pic as otherwise the darwin_local_data_pic
3000         logic can be skipped, which would be very bad.
3001         (legitimate_pic_address_disp_p): Move from from here to
3002         darwin_local_data_pic so it can be reused.
3003
3004 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
3005
3006         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
3007         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
3008         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
3009         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
3010         (RS6000_ABI_NAME): Define as "linux".
3011         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
3012         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
3013         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
3014         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
3015         * config/rs6000/rs6000.c (dot_symbols): New global var.
3016         (rs6000_output_function_entry): New function, modified for
3017         !DOT_SYMBOLS..
3018         (print_operand <case 'z'>): ..extracted from here.
3019         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
3020         (rs6000_output_function_epilogue): Likewise.
3021         (rs6000_elf_declare_function_name): Likewise.
3022         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
3023         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
3024         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
3025         * configure: Regenerate.
3026         * config.in: Regenerate.
3027
3028 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
3029
3030         * reload.c (find_reloads_address): Fix thinko in previous change.
3031
3032         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
3033         a CONST_INT.
3034
3035 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
3036
3037         PR rtl-optimization/17099
3038         * combine.c (force_to_mode): Check if inner_mask has any bits set
3039         outside of GET_MODE (x) instead of op_mode.
3040
3041 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
3042
3043         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
3044         fragment.
3045         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
3046         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
3047         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
3048         architecture.
3049         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
3050         configurations.
3051         * config/arm/t-symbian: New file.
3052
3053 2004-08-20  Andrew Pinski  <apinski@apple.com>
3054
3055         * regrename.c (kill_value_regno): ANSIfy.
3056
3057 2004-08-20  Dale Johannesen  <dalej@apple.com>
3058
3059         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
3060
3061 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
3062
3063         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
3064         (kill_value_regno): New function, derived from kill_value.
3065         (kill_value): Update.
3066         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
3067
3068 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
3069
3070         Fix PR tree-optimization/17111
3071         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
3072         of non-value_handles.
3073         (bitmap_set_contains): All constants are in every set.
3074
3075 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
3076
3077         * fold-const.c (round_up, round_down): Use build_int_cst.
3078         Optimize common case.
3079
3080 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
3081             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3082
3083         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
3084         one_only_data_section): Rename to som_readonly_data_section,
3085         som_one_only_readonly_data_section and som_one_only_data_section.
3086         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
3087         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
3088         conditional defines.
3089         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
3090         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
3091         string values.
3092         (pa_select_section): Use renamed section functions.
3093         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
3094         SOM_READONLY_DATA_SECTION_FUNCTION,
3095         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
3096         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
3097         Define here ...
3098         * config/pa/som.h: ... not here.
3099         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
3100         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
3101         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
3102         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
3103         (READONLY_DATA_SECTION): Use som_readonly_data_section.
3104
3105 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
3106
3107         * fold-const.c (int_const_binop): Don't generate non-overflowing
3108         size-types specially.
3109         (fold_convert_const): Likewise.
3110
3111         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
3112         clear cache on copied sizetype.
3113
3114 2004-08-20  Ben Elliston  <bje@au.ibm.com>
3115
3116         * configure.ac: Don't escape apostrophe in --enable-coverage help.
3117         * configure: Regenerate.
3118
3119 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
3120
3121         PR 5620
3122         * gcc.c (struct stat input_stat): Don't define if
3123         HOST_LACKS_INODE_NUMBERS
3124         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
3125         than stat to determine if temp file is same as input file.
3126         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
3127         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
3128
3129 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
3130
3131         * configure.ac (mips*-*-*): Print an error if not using GAS.
3132         * configure: Regenerated.
3133         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
3134         comments about buggy MIPSpro assemblers.
3135         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
3136         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
3137         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
3138         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
3139         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
3140         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
3141         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
3142         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
3143         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
3144         of more general IRIX 6 definitions.
3145         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
3146         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
3147         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
3148         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
3149         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
3150         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
3151         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
3152         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
3153         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
3154         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
3155         (LINK_SPEC): Move most of definition to iris.h.
3156         (SUBTARGET_LINK_SPEC): New macro.
3157         (IRIX_STARTFILE_SPEC): Fold into...
3158         (STARTFILE_SPEC): ...here.
3159         (IRIX_ENDFILE_SPEC): Fold into...
3160         (ENDFILE_SPEC): ...here.
3161         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
3162         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
3163         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
3164         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
3165         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
3166         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
3167         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
3168         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
3169         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
3170         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
3171         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
3172         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
3173         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
3174         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
3175         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
3176         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
3177         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
3178         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
3179         (TARGET_IRIX6): Define to 1.
3180         (DRIVER_SELF_SPECS): Define.
3181         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
3182         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
3183         (SUBTARGET_LINK_SPEC): New macro.
3184         (IRIX_STARTFILE_SPEC): Fold into...
3185         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
3186         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
3187         (LIB_SPEC, LIBGCC_SPEC): Use them.
3188         (LIB_SPEC): Remove !mabi=* case.
3189         (IRIX_ENDFILE_SPEC): Fold into...
3190         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
3191         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
3192         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
3193         (TARGET_IRIX6): New macro.
3194         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
3195         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
3196         (LABEL_AFTER_LOC): Delete.
3197         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
3198         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
3199         (mips_build_builtin_va_list): Check TARGET_IRIX6.
3200         (override_options): Remove TARGET_SGI_O32_AS-related code.
3201         (irix_output_external_libcall): Make static.
3202         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
3203         LABEL_AFTER_LOC.
3204         (mips_file_start): Tidy guard for ABI sections.  Remove use of
3205         ABICALLS_ASM_OP; use .abicalls instead.
3206         (mips_output_aligned_decl_common, mips_declare_object_name)
3207         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
3208         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
3209         .globl foo .text directives.
3210         (irix_asm_named_section_1, irix_asm_named_section)
3211         (irix_section_align_entry, irix_section_align_htab)
3212         (irix_orig_asm_out_file, irix_section_align_entry_eq)
3213         (irix_section_align_entry_hash, irix_asm_output_align)
3214         (irix_file_start, irix_section_align_1, copy_file_data)
3215         (irix_file_end, irix_section_type_flags): Delete.
3216         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
3217         Use standard section syntax.  Remove protective "jr $31".
3218         (__gcc_fini): Likewise .gcc_fini.
3219         * config/mips/irix-crtn.asm: Adjust sections accordingly.
3220         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
3221         iris5gas.h.
3222         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
3223         from t-irix-gld.
3224         (EXTRA_MULTILIB_PARTS): Define.
3225         * config/mips/t-iris6: Remove bogus comment.
3226         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
3227         * config/mips/iris5gas.h, config/mips/iris5gld.h,
3228         config/mips/iris6gas.h, config/mips/iris6gld.h,
3229         config/mips/t-iris5-as, config/mips/t-iris5-gas
3230         config/mips/t-irix-gld: Delete.
3231         * config/mips/iris.h: New file.
3232         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
3233
3234 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
3235
3236         * postreload.c (reload_cse_move2add): Allow any condjump, but check
3237         that the implicit set isn't clobbered in the jump insn.
3238
3239 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
3240
3241         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
3242         * optabs.c (init_optabs): Don't check it.
3243         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
3244         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
3245
3246 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
3247
3248         * config/s390/s390.md (s390_warn_framesize_string)
3249         (s390_warn_dynamic_string, s390_stack_size_string)
3250         (s390_stack_guard_string): New global string variables.
3251         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
3252         (s390_stack_guard): New global variables.
3253         (override_options): Added checks for the new options.
3254         (s390_emit_prologue): Emit stack check and trap code and perform
3255         compile time stack size checking.
3256
3257         * config/s390/s390.h (TARGET_OPTIONS): Added new options
3258         "warn-framesize", "warn-dynamicstack", "stack-size" and
3259         "stack-guard".
3260
3261         * doc/invoke.texi: Added documentation for the new options.
3262
3263 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
3264
3265         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
3266         to eliminate warning.
3267         (linear_search_fdes): Declare p as unsigned.
3268         (binary_search_mixed_encoding_fdes): Likewise.
3269         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
3270         to eliminate warning.
3271         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
3272         type cast.
3273
3274 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
3275
3276         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
3277         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
3278         instead of one.  Check for strictly legitimate address.
3279         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
3280         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
3281
3282 2004-08-19  Eric Christopher  <echristo@redhat.com>
3283
3284         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
3285         * langhooks.h (unsave_expr_now): Ditto.
3286         * tree.h (unsave_expr_1): Remove prototype.
3287         (lhd_unsave_expr_now): Rename to unsave_expr_now.
3288         * tree-inline.c (unsave_expr_1): Move here
3289         from tree.c. Make static.
3290         (unsave_expr_now): Rename from lhd_unsave_expr_now.
3291         * tree-sra.c: Fix up for rename.
3292         * tree-ssa-copy.c: Ditto.
3293         * tree-eh.c: Ditto.
3294         * tree.c (unsave_expr_1): Move to tree-inline.c.
3295
3296 2004-08-19  Caroline Tice  <ctice@apple.com>
3297
3298         * config/i386/cygming.h (switch_to_section):  Fix typo (change
3299         in_unlikely_text_section to in_unlikely_executed_text).
3300
3301 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
3302
3303         * vec.h (VEC_lower_bound): New macro.
3304
3305 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
3306
3307         PR target/16446
3308         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
3309         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
3310         treat each ABI separately.  Deal with n32/n64 complex float arguments.
3311         (function_arg): Add associated complex handling here.
3312
3313 2004-08-19  Richard Henderson  <rth@redhat.com>
3314
3315         * config/arm/arm.c (arm_gen_load_multiple): Use
3316         adjust_automodify_address.  Take base memory and offset instead
3317         of unchanging/struct/scalar bits.
3318         (arm_gen_store_multiple): Likewise.
3319         (arm_gen_movmemqi): Use adjust_automodify_address.
3320         * config/arm/arm-protos.h: Update decls.
3321         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
3322         (store_multiple): Similarly.
3323
3324 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
3325
3326         * regclass.c (globalize_reg): Update call_really_used_regs.
3327
3328 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
3329
3330         * doc/invoke.texi (integer-share-limit): Document.
3331
3332         * tree.h (TYPE_CACHED_VALUES_P): New.
3333         (TYPE_CACHED_VALUES): New.
3334         (TYPE_ORIG_SIZE_TYPE): Adjust.
3335         * tree.def (INTEGER_CST): Update documentation.
3336         * tree.c: Inlcude params.h.
3337         (build_int_cst): Cache small values.
3338         (build_type_copy): Do not copy the value cache.
3339         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
3340         unneeded zeroing.
3341         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
3342         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
3343         cache.
3344         * fold-const.c (force_fit_type): Copy value when setting
3345         overflows.
3346         (int_const_binop): Likewise.
3347         * stor-layout.c: Include params.h
3348         (set_sizetype): Create values cache.
3349         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
3350         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
3351         * params.h (INTEGER_SHARE_LIMIT): New.
3352         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
3353
3354 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
3355
3356         * gimplify.c (gimplify_minimax_expr): Remove.
3357         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
3358
3359 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
3360
3361         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
3362         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
3363
3364 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
3365
3366         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
3367
3368 2004-08-18  Andrew Pinski  <apinski@apple.com>
3369
3370         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
3371
3372 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
3373
3374         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
3375         (__aeabi_ul2f): Likewise.
3376
3377 2004-08-18  Richard Henderson  <rth@redhat.com>
3378
3379         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
3380         move to rtl completely.
3381         (struct meminsnbuf, xtensa_emit_block_move): Remove.
3382         (xtensa_find_mode_for_size): Remove.
3383         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
3384         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
3385
3386 2004-08-18  Richard Henderson  <rth@redhat.com>
3387
3388         * config/mcore/mcore.c (mode_from_align): Remove DImode.
3389         (block_move_sequence): Rewrite to use adjust_address.
3390         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
3391         Return boolean indicating success/failure.
3392         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
3393         * config/mcore/mcore.md (movmemsi): Update to match.
3394
3395 2004-08-18  Mike Stump  <mrs@apple.com>
3396
3397         * doc/invoke.texi (-mfix-and-continue): Add support for
3398         fast turn around debugging.
3399         (-ffix-and-continue): Likewise.
3400         (-mindirect-data): Likewise.
3401         (-findirect-data): Likewise.
3402         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
3403         (indirect_data): Likewise.
3404         (machopic_data_defined_p): Likewise.
3405         (machopic_output_indirection): Likewise.
3406         (darwin_encode_section_info): Likewise.
3407         (darwin_fix_and_continue): Likewise.
3408         (darwin_fix_and_continue_switch): Likewise.
3409         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
3410         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
3411         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
3412         (SUBTARGET_OPTIONS): Likewise.
3413         (darwin_fix_and_continue): Likewise.
3414         (darwin_fix_and_continue_switch): Likewise.
3415         (TARGET_FIX_AND_CONTINUE): Likewise.
3416         * config/rs6000.c (rs6000_emit_prologue): Likewise.
3417
3418 2004-08-19  Steven Bosscher  <stevenb@suse.de>
3419
3420         * basic-block.h (struct edge_def): Remove crossing_edge.
3421         (EDGE_CROSSING): New define.
3422         (EDGE_ALL_FLAGS): Update.
3423         * bb-reorder.c (find_traces_1_round, better_edge_p,
3424         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
3425         find_jump_block, fix_crossing_conditional_branches,
3426         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
3427         Replace all occurences of crossing_edge with an edge flag check
3428         or set/reset.
3429         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
3430         try_crossjump_bb): Likewise.
3431         * cfglayout.c (fixup_reorder_chain): Likewise.
3432         * cfgrtl.c (force_nonfallthru_and_redirect,
3433         commit_one_edge_insertion): Likewise.
3434
3435         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
3436         * tree-flow.h (compute_dominance_frontiers): Move prototype...
3437         * basic-block.h:  ...here.
3438         * tree-cfg.c (compute_dominance_frontiers_1,
3439         compute_dominance_frontiers): Move from here...
3440         * cfganal.c: ...to here.  Include timevar.h.
3441
3442 2004-08-18  James E Wilson  <wilson@specifixinc.com>
3443
3444         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
3445         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
3446
3447         * config/mips/mips.md (type): Add frdiv.
3448         (divsf3+1, divsf3+2): Change type to frdiv.
3449         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
3450         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
3451
3452         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
3453         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
3454         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
3455         * config/mips/5000.md (r5k_fdiv_single): Likewise.
3456         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
3457         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
3458         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
3459         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
3460         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
3461         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
3462         Likewise.
3463         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
3464
3465 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
3466
3467         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
3468         get regression tester working again.
3469
3470 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
3471
3472         * insn-notes.def, reg-notes.def: New files.
3473         * rtl.h: Use them to define enum insn_note and enum reg_note.
3474         * rtl.c: Use them to define note_insn_name and reg_note_name.
3475         * Makefile.in (RTL_BASE_H): Update.
3476
3477         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
3478         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
3479
3480 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
3481
3482         * arm.c (arm_size_rtx_costs): New function.
3483         (arm_override_options): Use it if optimizing for space.
3484
3485 2004-08-18  Richard Henderson  <rth@redhat.com>
3486
3487         * emit-rtl.c (gen_const_mem): New.
3488         * rtl.h (gen_const_mem): Declare.
3489         * expr.c (do_tablejump): Use it.
3490         * varasm.c (force_const_mem): Likewise.
3491         * config/darwin.c (machopic_indirect_data_reference): Likewise.
3492         (machopic_legitimize_pic_address): Likewise.
3493         * config/arm/arm.c (legitimize_pic_address): Likewise.
3494         * config/i386/i386.c (legitimize_pic_address): Likewise.
3495         (legitimize_tls_address): Likewise.
3496         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
3497         * config/ia64/ia64.md (load_fptr): Likewise.
3498         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
3499         * config/pa/pa.c (legitimize_pic_address): Likewise.
3500         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
3501         (rs6000_emit_move): Likewise.
3502         * config/s390/s390.c (legitimize_pic_address): Likewise.
3503         (legitimize_tls_address): Likewise.
3504         * config/s390/s390.md (casesi): Likewise.
3505         * config/sh/sh.c (sh_reorg): Likewise.
3506         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
3507         * config/v850/v850.md (casesi): Likewise.
3508
3509         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
3510         * config/sh/sh.c (prepare_move_operands): Remove incorrect
3511         use of MEM_READONLY_P.
3512
3513 2004-08-18  Steven Bosscher  <stevenb@suse.de>
3514
3515         * Makefile.in (OBJS-common): Add postreload-gcse.c.
3516         Add new postreload-gcse.o.
3517         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
3518         (lookup_as_function, insert, rehash_using_reg, use_related_value,
3519         equiv_constant): Use SAFE_HASH instead of safe_hash.
3520         (exp_equiv_p): Export.  Add for_gcse argument when comparing
3521         for GCSE.
3522         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
3523         find_comparison_args, fold_rtx, cse_insn): Update callers.
3524         (hash_rtx): New function derived from old canon_hash and bits
3525         from gcse.c hash_expr_1.
3526         (canon_hash_string): Rename to hash_rtx_string.
3527         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
3528         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
3529         (cselib_lookup): Update this caller.
3530         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
3531         Make static.
3532         (hash_expr): Call hash_rtx.
3533         (ldst_entry): Likewise.
3534         (expr_equiv_p): Call exp_equiv_p.
3535         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
3536         reg_used_on_edge, reg_set_between_after_reload_p,
3537         reg_used_between_after_reload_p, get_avail_load_store_reg,
3538         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
3539         get_bb_avail_insn, hash_scan_set_after_reload,
3540         compute_hash_table_after_reload,
3541         eliminate_partially_redundant_loads, gcse_after_reload,
3542         get_bb_avail_insn, gcse_after_reload_main): Remove.
3543         * postreload-gcse.c: New file, reincarnating most of the above.
3544         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
3545         (gcse_after_reload_main): Update prototype.
3546         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
3547         * passes.c (rest_of_handle_gcse2): Use it.
3548
3549 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
3550
3551         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
3552         (pass_loop_done): Likewise.
3553
3554 2004-08-18  Andrew Pinski  <apinski@apple.com>
3555
3556         * config/rs6000/darwin.md: Delete the altivec patterns which are
3557         handled differently now.
3558         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
3559         (macho_correct_pic_di): Likewise.
3560         (call_indirect_nonlocal_darwin64): Likewise.
3561         Delete the save world/saveFP/saveVec patterns.
3562
3563         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
3564         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
3565         * config/rs6000/rs6000.md: Include darwin.md.
3566         (builtin_setjmp_receiver): Add DImode case.
3567         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
3568         Darwin bits.
3569
3570 2004-08-18  Matt Austern  <austern@apple.com>
3571
3572         Dead code stripping
3573         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
3574         * darwin.c (darwin_file_end): Mark file as potentially strippable.
3575
3576 2004-08-18  Richard Henderson  <rth@redhat.com>
3577
3578         * alias.c (readonly_fields_p): Remove.
3579         (objects_must_conflict_p): Don't call it.
3580         * tree.h (readonly_fields_p): Remove.
3581         * langhooks.h (struct lang_hooks): Remove honor_readonly.
3582         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
3583
3584 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
3585
3586         * tree-dfa.c (add_referenced_var): Only global variables are
3587         call-clobbered.
3588         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
3589         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
3590         all pointers dereferenced if the statement dereferences them.
3591         (create_name_tags): Do not create memory tags for pointers
3592         that have PT_ANYTHING set.
3593         Also check if PT_VARS is not empty before creating a name tag.
3594         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
3595         variables that share the same alias set with a pointer that
3596         may point anywhere.
3597         (add_may_alias): Add FIXME comment to remove clobbering
3598         aliased variables and tags.
3599         (replace_may_alias): Likewise.
3600         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
3601         (merge_pointed_to_info): If the original variable has not
3602         points-to information, call set_pt_anything.
3603         (add_pointed_to_var): Do not prevent adding a pointed-to
3604         variable if the pointers is PT_ANYTHING.
3605         If the variable is a global, set PT_GLOBAL_MEM.
3606         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
3607         pointer type only come in PTR+OFFSET flavours.
3608         Always call merge_pointed_to_info on PHI arguments that are
3609         SSA_NAMEs.
3610         (get_nmt_for): Mark call-clobbered tags whose pointer points
3611         to global memory.
3612         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
3613         values.
3614         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
3615         FLAGS.
3616         (add_stmt_operand): Abort if the caller tried to add a killing
3617         definition for a memory tag.
3618         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
3619         unnecessary checks.
3620
3621 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
3622
3623         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
3624         from call_used_regs.  Update call_really_used_regs.
3625         (CALL_REALLY_USED_REGISTERS): Define.
3626         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
3627         Replace call_used_regs with call_really_used_regs.
3628         (calc_live_regs, sh_media_register_for_return): Likewise.
3629         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
3630         * sh.md (return_media): Likewise.
3631
3632 2004-08-18  Andrew Pinski  <apinski@apple.com>
3633
3634         * config/darwin.c (machopic_legitimize_pic_address): Only set
3635         MEM_READONLY_P in the non TARGET_TOC case.
3636
3637 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
3638
3639         * rtl.def (NIL): Delete.
3640         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
3641         Tighten the syntax a little.
3642
3643         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
3644         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
3645         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
3646         * config/i386/predicates.md, config/m32r/m32r.h
3647         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
3648         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
3649         * config/sparc/sparc.h, doc/tm.texi:
3650         Replace all occurrences of NIL with UNKNOWN.
3651
3652 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
3653
3654         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
3655         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
3656         sequence inline.  Move drop_through_label code into this
3657         block, being the only place it is used.  Adjust comments.
3658
3659 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
3660
3661         * config/rs6000/altivec.md: Add new patterns for calls to
3662         save_world/rest_world functions.
3663
3664         * config/rs6000/rs6000-protos.h: (save_world_operation,
3665         restore_world_operation) new declarations.
3666
3667         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
3668         field added.
3669         (rs6000_stack_info): Set world_save_p field.
3670         (save_world_operation): New function.
3671         (restore_world_operation): New function.
3672         (compute_save_world_info): New function.
3673         (rs6000_stack_info): Call compute_save_world_info.
3674         (rs6000_emit_prologue): Check for world_save_p and generate
3675         pattern to call save_world for saving all non-volatile and
3676         special registers.
3677         (rs6000_emit_epilogue): Check for world_save_p and generate
3678         pattern to call rest_world to restore saved registers.
3679
3680         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
3681         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
3682         (rs6000_reg_names): New entries added for save_world_operation and
3683         restore_world_operation.
3684
3685 2004-08-18  Caroline Tice  <ctice@apple.com>
3686
3687         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
3688         "-freorder-blocks-and-partition" to the flags used in second
3689         stage of profiledbootstrap.
3690         * bb-reorder.c (push_to_next_round_p): Add new variable,
3691         next_round_is_last; set and use variable to make sure, when
3692         partitioning, that the last trace construction round consists
3693         of all (and only) cold basic blocks.
3694         (rotate_loop): Don't copy blocks that end in a section
3695         crossing jump.
3696         (copy_bb): Correctly initialize "partition" of duplicated bb.
3697         (add_unlikely_executed_notes): Add a comment.
3698         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
3699         to make sure, if function contains hot blocks, that the
3700         successors of ENTRY_BLOCK_PTR are hot; also, only look for
3701         crossing edges if the architecture supports named sections.
3702         (mark_bb_for_unlikely_executed_section): Modify to always
3703         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
3704         the basic block note insn.
3705         (fix_crossing_unconditional_branches): Remove extra space.
3706         (fix_edges_for_rarely_executed_code): Modify to only do
3707         partitioning work if the architecture supports named sections.
3708         (reorder_basic_blocks): Modify to only add
3709         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
3710         supports named sections.
3711         * c-common.c (handle_section_attribute): Initialize new global
3712         variable, user_defined_section_attribute, to true if user has
3713         specified one.
3714         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
3715         forward edges that cross section boundaries.
3716         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
3717         partitioning information if the architecture supports named
3718         sections.
3719         * cfgrtl.c (target.h): Add statement to include this.
3720         (rtl_split_block): Make sure newly created bb gets correct
3721         partition.
3722         (try_redirect_by_replacing_jump): Make sure redirection isn't
3723         attempting to cross section boundaries.
3724         (force_nonfallthru_and_redirect): Only do partition fix up if
3725         architecture supports named sections.
3726         (rtl_split_edge): Make sure newly created bb ends up in
3727         correct partition.
3728         (commit_one_edge_insertion): Remove code that incorrectly
3729         updated basic block partition; Make sure partition fix up only
3730         happens if architecture supports named sections and it's not
3731         already done.
3732         (rtl_verify_flow_info_1): Fix if-condition on test/error
3733         condition that fallthru edges are not allowed to cross section
3734         boundaries.
3735         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
3736         * final.c (final_scan_insn): Remove redundant test from if-statement;
3737         change calls to text_section into calls to function_section; add code
3738         to only to partitioning fix up if architecture supports named
3739         sections.
3740         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
3741         partition.
3742         (if_convert): Add targetm.have_named_sections to test.
3743         * output.h (unlikely_section_label): Extern declaration for new global
3744         variable.
3745         (unlikely_text_section_name): Likewise.
3746         * opts.c (decode_options): If both partitioning and DWARF debugging
3747         are turned on, issue a warning that this doesn't work, and change
3748         partitiong to basic block reordering (without hot/cold partitions).
3749         * passes.c (rest_of_handle_final): Re-set new global variable,
3750         user_defined_section_attribute, to false.
3751         (rest_of_compilation): Change options for calling partitioning
3752         function: Don't call if the user defined the section attribute, and
3753         don't call if DECL_ONE_ONLY is true for the current function.
3754         * predict.c (choose_function_section): Return immediately if we
3755         are doing hot/cold partitioning (i.e. let the basic block partitioning
3756         determine where the function belongs).
3757         * reg-stack.c (emit_swap_insn): Add condition to step over
3758         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
3759         * toplev.c (user_defined_section_attribute): New global variable.
3760         * toplev.h (user_defined_section_attribute): Extern declaration
3761         for new global variable.
3762         * varasm.c (unlikely_section_label): New global variable.
3763         (unlikely_text_section_name): New global variable.
3764         (unlikely_text_section): Add code to initialize
3765         unlikely_text_section_name if necessary; modify to use
3766         unlikely_text_section_name and unlikely_section_label; also to use
3767         named_section properly.
3768         (in_unlikely_text_section):  Modify to work correctly with
3769         named_section and to use unlikely_text_section_name.
3770         (named_section):  Add code to work properly with cold section.
3771         (function_section): Clean up if-statement.
3772         * config/darwin.c (darwin_asm_named_section): Return to original
3773         code, removing use of SECTION_FORMAT_STRING.
3774         * config/arm/pe.h (switch_to_section):  Add case for
3775         in_unlikely_executed_text to switch statement.
3776         * config/i386/cygming.h (switch_to_section): Likewise.
3777         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
3778         (SECTION_FORMAT_STRING): Likewise.
3779         * config/mcore/mcore.h (switch_to_section): Likewise.
3780         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
3781         (SECTION_FORMAT_STRING): Remove.
3782
3783 2004-08-18  Roger Sayle  <roger@eyesopen.com>
3784
3785         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
3786         -ffixed-reg safe, by preserving the meanings of zero and one.
3787         (CALL_USED_REGISTERS): Likewise.
3788         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
3789
3790 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
3791
3792         * config/sh/sh.c (split_branches): Check the result of
3793         next_active_insn.
3794         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
3795         Call rtl_register_cfg_hooks.
3796
3797 2004-08-18  Richard Henderson  <rth@redhat.com>
3798
3799         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
3800         * alias.c (true_dependence): Update to match new semantics.
3801         (canon_true_dependence, write_dependence_p): Likewise.
3802         (anti_dependence, output_dependence): Update write_dependence_p args.
3803         (unchanging_anti_dependence): Remove.
3804         * calls.c (purge_mem_unchanging_flag): Remove.
3805         (fixup_tail_calls): Don't call it.
3806         (expand_call): Don't add unchanging memory to function usage.
3807         * expr.c (emit_block_move_via_libcall): Likewise.
3808         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
3809         (get_subtarget): Don't use RTX_UNCHANGING_P.
3810         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
3811         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
3812         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
3813         * cse.c (insert): Don't use RTX_UNCHANGING_P.
3814         (cse_insn, canon_hash): Use MEM_READONLY_P.
3815         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
3816         instead of RTX_UNCHANGING_P.
3817         * explow.c (maybe_set_unchanging): Remove.
3818         * expr.h (maybe_set_unchanging): Remove.
3819         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
3820         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
3821         (assign_parm_setup_reg, expand_function_start): Likewise.
3822         * integrate.c (copy_rtx_and_substitute): Likewise.
3823         * ra-rewrite.c (emit_colors): Likewise.
3824         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
3825         (fixup_match_1): Likewise.
3826         * reload1.c (reload, alter_reg): Likewise.
3827         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
3828         not RTX_UNCHANGING_P.
3829         (equiv_init_varies_p): Likewise.
3830         * loop-invariant.c (check_maybe_invariant): Likewise.
3831         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
3832         * loop.c (note_addr_stored): Likewise.
3833         (prescan_loop): Likewise. Don't check function usage for clobbered
3834         unchanging memory.
3835         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
3836         not RTX_UNCHANGING_P.
3837         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
3838         * varasm.c (force_const_mem): Likewise.
3839         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
3840         * web.c (entry_register): Likewise.
3841         * tree-gimple.h (get_base_address): Move decl ...
3842         * tree.h: ... here.
3843         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
3844
3845         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
3846         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
3847         (alpha_set_memflags): Update to match.
3848
3849         * config/darwin.c (machopic_indirect_data_reference): Set
3850         MEM_READONLY_P instead of RTX_UNCHANGING_P.
3851         (machopic_indirect_call_target): Likewise.
3852         (machopic_legitimize_pic_address): Likewise.
3853         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
3854         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
3855         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
3856         * config/frv/frv.md (symGOT2reg): Likewise.
3857         * config/i386/i386.c (legitimize_pic_address,
3858         legitimize_tls_address, ix86_split_to_parts): Likewise.
3859         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
3860         * config/ia64/ia64.md (load_fptr): Likewise.
3861         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
3862         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
3863         * config/mcore/mcore.c (block_move_sequence): Likewise.
3864         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
3865         * config/pa/pa.c (legitimize_pic_address): Likewise.
3866         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
3867         (rs6000_emit_move): Likewise.
3868         * config/s390/s390.c (legitimize_pic_address): Likewise.
3869         (legitimize_tls_address): Likewise.
3870         * config/s390/s390.md (casesi): Likewise.
3871         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
3872         * config/sh/sh.md (symGOT2reg): Likewise.
3873         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
3874         * config/v850/v850.md (casesi): Likewise.
3875
3876         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
3877         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
3878         * config/mips/mips.c (mips_restore_gp): Likewise.
3879         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
3880         * config/sh/sh.c (sh_reorg): Likewise.
3881
3882 2004-08-18  Richard Henderson  <rth@redhat.com>
3883
3884         * tree.h (struct tree_decl): Add gimple_formal_temp.
3885         (DECL_GIMPLE_FORMAL_TEMP_P): New.
3886         * gimplify.c (pop_gimplify_context): Clear it.
3887         (lookup_tmp_var): Set it, if is_formal.
3888         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
3889         Use is_gimple_val for VECTOR.  Simplify return value.
3890         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
3891         (gimplify_expr): Likewise.
3892         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
3893         is_gimple_tmp_rhs for clarity.  Update all callers.
3894         (is_gimple_reg_rhs): Simplify logic.
3895         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
3896         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
3897         (is_gimple_formal_tmp_reg): Similarly.
3898         * tree-gimple.h: Update decls.
3899         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
3900         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
3901         * tree-ssa-live.c (var_union, type_var_init): Likewise.
3902
3903 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
3904
3905         * c4x.c (legitimize_operands): Remove calls to
3906         preserve_subexpressions_p.
3907
3908 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
3909
3910         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
3911         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
3912
3913 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
3914
3915         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
3916         Objective-C++ extensions.
3917         * gengtype.c (get_file_basename): Match entire subdirectory name
3918         ('cp', 'objc', 'objcp') rather than just its suffix.
3919         (get_base_file_bitmap): Allow for files to belong to more than one
3920         language.
3921         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
3922         used by more than one front-end.
3923
3924 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
3925
3926         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
3927         avoid use of preserve_subexpressions_p.
3928
3929 2004-08-17  Richard Henderson  <rth@redhat.com>
3930
3931         PR 17051
3932         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
3933
3934 2004-08-17  DJ Delorie  <dj@redhat.com>
3935
3936         * doc/extend.texi: Document new xstormy16 attribute.
3937
3938         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
3939         (xstormy16_splittable_below100_or_register): New.
3940         (combine_bnp): New.
3941         (xstormy16_reorg): New.
3942         (TARGET_MACHINE_DEPENDENT_REORG): Define.
3943
3944         * config/stormy16/stormy16.md (movqi_internal): Make name public.
3945         (movhi_internal): Likewise.
3946         (cbhranchhi): Likewise.
3947         (cbhranchhi_neg): Likewise.
3948         (andhi3): Only allow splittable below100 operands.
3949         (iorhi3): Likewise.
3950         (peephole2): New and/zero_extend->and peephole.
3951         (peephole2): New load/ior/save->set1 peephole.
3952         (peephole2): New load/and/save->clr1 peephole.
3953         (bclrx, bclrx2, bclr7, bclr15): New.
3954         (bsetx, bsetx2, bset7, bset15): New.
3955
3956         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
3957         liberal about acceptable 'B' masks.
3958
3959         * config/stormy16/stormy16-protos.h
3960         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
3961         xstormy16_below100_operand, xstormy16_below100_or_register,
3962         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
3963         (PREDICATE_CODES): Add new predicates.
3964
3965         * config/stormy16/stormy16.c
3966         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
3967         xstormy16_below100_operand, xstormy16_below100_or_register,
3968         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
3969         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
3970         (xstormy16_legitimate_address_p): Allow below100 symbols.
3971         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
3972         (xstormy16_expand_move): Leave below100 operands as-is.
3973         (xstormy16_encode_section_info): Encode below100 symbols.
3974         (xstormy16_strip_name_encoding): New.
3975         (xstormy16_print_operand): Print 'b' as shift mask.
3976         (xstormy16_attribute_table): Add below100 attributes.
3977         (xstormy16_handle_below100_attribute): New.
3978
3979         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
3980         (XSTORMY16_SECTION_FUNCTION): New.
3981         (EXTRA_SECTION_FUNCTIONS): Define using the above.
3982         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
3983         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
3984         (ASM_OUTPUT_LABELREF): Define.
3985
3986         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
3987         (movhi_internal): Add below100 support.
3988         (andhi3): Add below100 support.
3989         (iorhi3): Add below100 support.
3990         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
3991
3992 2004-08-17  James E Wilson  <wilson@specifixinc.com>
3993
3994         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
3995         of VOIDmode for comparison code mode.
3996         * config/mips/mips.md: For conditional move patterns, use mode of
3997         first compare operand for comparison mode, instead of VOIDmode.
3998
3999         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
4000         normal and -ffast-math code.
4001
4002 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
4003
4004         PR c++/15871
4005         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
4006
4007 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
4008
4009         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
4010
4011 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
4012
4013         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
4014         for non Darwin targets.
4015         (*call_value_nonlocal_darwin64): Likewise.
4016
4017 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
4018
4019         * config/rs6000/rs6000.c (rs6000_function_value): Check for
4020         altivec mode for altivec return register.
4021
4022 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
4023
4024         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
4025         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
4026         * config/rs6000/rs6000.md: Include darwin.md.
4027         (builtin_setjmp_receiver): Add DImode case.
4028         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
4029         Darwin bits.
4030
4031 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
4032
4033         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
4034         trees.
4035         * tree-vectorizer.h: New File: Same.
4036         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
4037         * common.opt (ftree-vectorize): New flag to enable vectorization.
4038         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
4039         vectorization pass.
4040         * tree-data-ref.h (init_data_ref): Additional argument.
4041         (array_base_name_differ_p): Moved to tree-data-ref.c.
4042         * tree-data-ref.c (array_base_name_differ_p): Revised.
4043         (initialize_data_dependence_relation): Call array_base_name_differ_p
4044         with an extra argument.
4045         (analyze_all_data_dependences): Same.
4046         (init_data_ref): Additional argument is_read to set DR_IS_READ.
4047         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
4048         file.
4049         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
4050         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
4051         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
4052         vectorization pass.
4053         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
4054         (tree_ssa_loop_done): Call scev_finalize.
4055         (tree_vectorize): Define the new vectorization pass.
4056         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
4057         size of the vector they support (until support for multiple vector
4058         sizes is added to the vectorizer).
4059         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
4060         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
4061         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
4062         documentation.
4063
4064 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
4065
4066         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
4067         usage.
4068         (generate_protocol_list, handle_impent): Likewise.
4069
4070 2004-08-17  Roger Sayle  <roger@eyesopen.com>
4071
4072         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
4073         ensure that call_used_regs is a superset of both fixed_regs and
4074         call_really_used_regs.
4075
4076 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
4077
4078         PR target/17019
4079         * arm.md (addsi3_cbranch_scratch): Correct case labels.
4080
4081 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
4082
4083         PR middle-end/17036
4084         * fold-const.c (fold): Check for integer operand when
4085         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
4086         Pinski  <pinskia@physics.uc.edu>.
4087
4088 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
4089
4090         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
4091         No need to check if in a cross configuration.
4092         * configure: Regenerate.
4093
4094         * calls.c (precompute_register_parameters):
4095         Inline preserve_subexpressions_p ().
4096         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
4097         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
4098         Likewise.
4099         * expr.c (get_subtarget): Likewise.
4100         * rtl.h (preserve_subexpressions_p): Remove.
4101         * stmt.c (preserve_subexpressions_p): Remove.
4102
4103         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
4104         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
4105         Abort on gimplified cases.
4106
4107 2004-08-16  James E Wilson  <wilson@specifixinc.com>
4108
4109         * tree.h (VECTOR_FLOAT_TYPE_P): New.
4110         (FLOAT_TYPE_P): Use it.
4111         * c-typeck.c (build_binary_op): After convert calls, check for
4112         check for ERROR_MARK operands.
4113
4114 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
4115
4116         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
4117         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
4118         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
4119         (genobjs static pattern rule): Remove %.c dependency.
4120         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
4121         Rename rules; delete commands; fix dependencies.
4122         (mostlyclean): Do not delete temporary source copies.
4123         * configure.ac: Delete all references to BUILD_PREFIX and
4124         BUILD_PREFIX_1.
4125         * configure: Regenerate.
4126
4127         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
4128         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
4129         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
4130         with #ifndef GENERATOR_FILE so that nothing from those headers
4131         is used.
4132
4133         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
4134
4135 2004-08-16  Adam Nemet  <anemet@lnxw.com>
4136
4137         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
4138
4139 2004-08-16  Andrew Pinski  <apinski@apple.com>
4140
4141         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
4142         extraneous semicolon.
4143
4144 2004-08-16  Devang Patel  <dpatel@apple.com>
4145
4146         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
4147         * print-tree.c (print_node): Print DECL_PRESERVE_P.
4148         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
4149         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
4150         * target.h (struct gcc_target): New member, mark_decl_preserved.
4151         * hooks.c (hook_void_charptr): Rename to ...
4152         (hook_void_constcharptr): ... new name.
4153         * hooks.h (hook_void_charptr): Rename to ..
4154         (hook_void_constcharptr): ... new name.
4155         * tree.h (DECL_PRESERVE_P): New #define.
4156         (struct tree_decl): New member, preserve_flag.
4157         * varasm.c (assemble_start_function): Mark decl preserved.
4158         (assemble_variable): Same.
4159         * darwin.c (darwin_mark_decl_preserved): New function.
4160         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
4161         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
4162         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
4163
4164 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
4165
4166         * c-decl.c (grokdeclarator): Allow for function definition where
4167         innermost declarator has attributes.
4168
4169 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
4170
4171         * except.c (get_exception_filter, build_post_landing_pads,
4172         dw2_build_landing_pads): Use target-specific mode for 'filter'.
4173         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
4174         * target.h (eh_return_filter_mode): New field added.
4175         * targhooks.c (default_eh_return_filter_mode): Defined.
4176         * targhooks.h (default_eh_return_filter_mode): Declared.
4177         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
4178
4179 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
4180
4181         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
4182         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
4183         * configure: Regenerate.
4184
4185 2004-08-16  Stan Shebs  <shebs@apple.com>
4186
4187         Basic support for 64-bit Darwin.
4188         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
4189         (machopic_legitimize_pic_address): Similarly, plus use Pmode
4190         instead of SImode.
4191         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
4192         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
4193         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
4194         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
4195         (PROCESSOR_DEFAULT64): Define.
4196         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
4197         Darwin.
4198         * config/rs6000/rs6000.md: Include darwin.md.
4199         (builtin_setjmp_receiver): Add DImode case.
4200         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
4201         Darwin.
4202         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
4203         (rs6000_emit_move): Add DImode case to Darwin bits.
4204         (machopic_output_stub): Use .quad if 64-bit.
4205         * invoke.texi: Document -m32 and -m64.
4206
4207 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
4208
4209         * doc/extend.texi (AltiVec builtins): Document additional differences
4210         from the Motorola AltiVec PIM.
4211
4212 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
4213
4214         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
4215         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
4216         (struct tree_common): Update public_flag documentation.
4217
4218 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
4219
4220         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
4221         Check for artificial variables, not is_gimple_tmp_var.
4222         * tree-ssa-live.c (var_union): Likewise.
4223
4224 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
4225
4226         * calls.c (load_register_parameters): Remove spurious FIXME token.
4227
4228 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
4229
4230         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
4231         (c-lang.o): Depend on c-objc-common.h.
4232         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
4233         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
4234         * c-lang.c: Include c-objc-common.h.
4235         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
4236         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
4237         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
4238         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
4239         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
4240         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
4241         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
4242         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
4243         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
4244         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
4245         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
4246         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
4247         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
4248         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
4249         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
4250         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
4251         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
4252         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
4253         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
4254         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
4255         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
4256         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
4257         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
4258         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
4259         Move to c-objc-common.h.
4260         * c-objc-common.c: Include c-objc-common.h.
4261         * c-objc-common.h: New file.
4262
4263 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
4264             Andrew Pinski  <pinskia@physics.uc.edu>
4265
4266         PR target/14931
4267         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
4268         style.
4269
4270 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
4271
4272         * tree.h (build_int_cst): New.
4273         (build_int_2): Remove.
4274         * tree.c (build_int_2): Remove.
4275         (build_int_cst): New.
4276         (make_vector_type, build_common_tree_nodes,
4277         build_common_tree_nodes_2): Use build_int_cst.
4278         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
4279         expand_builtin_strpbrk, expand_builtin_fputs,
4280         build_string_literal, expand_builtin_printf,
4281         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
4282         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
4283         fold_builtin_isdigit, simplify_builtin_strstr,
4284         simplify_builtin_strpbrk, fold_builtin_fputs,
4285         simplify_builtin_sprintf): Use build_int_cst.
4286         * c-common.c (start_fname_decls, fix_string_type,
4287         c_common_nodes_and_builtins, c_init_attributes,
4288         shorten_compare): Likewise.
4289         * c-decl.c (complete_array_type,
4290         check_bitfield_type_and_width): Likewise.
4291         * c-lex.c (interpret_integer, lex_charconst): Likewise.
4292         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
4293         * c-pretty-print.c (pp_c_integer_constant): Likewise.
4294         * c-typeck.c (really_start_incremental_init, push_init_level,
4295         set_nonincremental_init_from_string): Likewise.
4296         * calls.c (load_register_parameters): Likewise.
4297         * convert.c (convert_to_pointer): Likewise.
4298         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
4299         build_fn_info_type, build_ctr_info_value, build_gcov_info):
4300         Likewise.
4301         * except.c (init_eh, assign_filter_values, assign_filter_values):
4302         Likewise.
4303         * expmed.c (store_fixed_bit_field, extract_bit_field,
4304         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
4305         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
4306         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
4307         * expr.c (convert_move, emit_group_load, emit_group_store,
4308         expand_assignment, store_constructor, store_field,
4309         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
4310         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
4311         invert_truthvalue, optimize_bit_field_compare,
4312         decode_field_reference, all_ones_mask_p, constant_boolean_node,
4313         fold_div_compare, fold, fold_read_from_constant_string,
4314         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
4315         * function.c (assign_parm_setup_block): Likewise.
4316         * stmt.c (shift_return_value, expand_end_case_type,
4317         estimate_case_costs): Likewise.
4318         * stor-layout.c (layout_type, initialize_sizetypes,
4319         set_min_and_max_values_for_integral_type): Likewise.
4320         * tree-chrec.c (chrec_fold_multiply_poly_poly,
4321         reset_evolution_in_loop): Likewise.
4322         * tree-chrec.h (build_polynomial_chrec): Likewise.
4323         * tree-complex.c (build_replicated_const): Likewise.
4324         * tree-eh.c (honor_protect_cleanup_actions,
4325         lower_try_finally_onedest, lower_try_finally_copy,
4326         lower_try_finally_switch): Likewise.
4327         * tree-mudflap.c (mf_build_string, mx_register_decls,
4328         mudflap_register_call, mudflap_enqueue_constant): Likewise.
4329         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
4330         * tree-pretty-print.c (dump_generic_node): Likewise.
4331         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
4332         Likewise.
4333         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
4334         * tree-ssa-loop-niter.c (number_of_iterations_cond,
4335         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
4336         Likewise.
4337
4338         * config/alpha/alpha.c (alpha_initialize_trampoline,
4339         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
4340         * config/arm/arm.c (arm_get_cookie_size): Likewise.
4341         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
4342         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
4343         * config/i860/i860.c (i860_va_start): Likewise.
4344         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
4345         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
4346         mips_gimplify_va_arg_expr): Likewise.
4347         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
4348         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
4349         add_compiler_branch_island): Likewise.
4350         * config/s390/s390.c (s390_va_start): Likewise.
4351         * config/sh/sh.c (sh_va_start): Likewise.
4352         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
4353         Likewise.
4354         * config/xtensa/xtensa.c (xtensa_va_start,
4355         xtensa_gimplify_va_arg_expr): Likewise.
4356
4357         * objc/objc-act.c (build_objc_string_object,
4358         build_objc_symtab_template, init_def_list, init_objc_symtab,
4359         init_module_descriptor, generate_static_references,
4360         build_selector_translation_table, get_proto_encoding,
4361         build_typed_selector_reference, build_selector_reference,
4362         build_next_objc_exception_stuff,
4363         build_method_prototype_list_template, generate_descriptor_table,
4364         generate_protocols, build_protocol_initializer,
4365         build_ivar_list_template, build_method_list_template,
4366         build_ivar_list_initializer, generate_ivars_list,
4367         generate_dispatch_table, generate_protocol_list,
4368         build_category_initializer, build_shared_structure_initializer,
4369         generate_shared_structures, handle_impent,
4370         generate_objc_image_info): Use build_int_cst.
4371
4372 2004-08-15  Ben Elliston  <bje@au.ibm.com>
4373
4374         * vec.h: Comment improvements.
4375
4376 2004-08-14  Roger Sayle  <roger@eyesopen.com>
4377
4378         * c-common.c (shorten_compare, pointer_int_sum,
4379         c_common_truthvalue_conversion, boolean_increment): Replace calls
4380         to build with calls to buildN.
4381         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
4382         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
4383         gimplify_switch_stmt): Likewise.
4384         * c-typeck.c (default_function_array_conversion,
4385         build_component_ref, build_array_ref, build_function_call,
4386         pointer_diff, build_unary_op, build_conditional_expr,
4387         build_compound_expr, build_modify_expr, c_finish_goto_label,
4388         c_finish_goto_ptr, c_finish_return, c_finish_loop,
4389         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
4390         build_binary_op): Likewise.
4391
4392 2004-08-15  Steven Bosscher  <stevenb@suse.de>
4393
4394         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
4395
4396 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4397
4398         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
4399         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
4400         * fixinc/fixincl.x: Rebuilt.
4401
4402 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
4403
4404         * config/mips/mips-protos.h (mips_symbolic_constant_p)
4405         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
4406         (mips_small_data_pattern_p): Declare.
4407         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
4408         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
4409         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
4410         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
4411         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
4412         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
4413         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
4414         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
4415         (pc_or_label_operand, call_insn_operand, move_operand)
4416         (consttable_operand, symbolic_operand, general_symbolic_operand)
4417         (global_got_operand, local_got_operand, stack_operand)
4418         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
4419         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
4420         (mips_small_data_pattern_p): Replace previous small_data_pattern
4421         predicate.  Turn into a bool () (rtx) function.
4422         * config/mips/predicates.md: New file.
4423         * config/mips/mips.md: Include it.  Use the target-independent
4424         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
4425         trap_comparison_operator and equality_op to equality_operator.
4426         Replace uses of small_int with the equivalent const_arith_operand.
4427         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
4428         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
4429         to fcc_reload_operand.
4430         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
4431
4432 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4433
4434         PR libstdc++/17005 partial fix.
4435         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
4436         except when generating ANSI/C89 code.
4437
4438 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
4439
4440         * c-common.c (shorten_compare): Use force_fit_type directly.
4441
4442 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
4443             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
4444             Dave Korn  <dk@artimi.com>
4445
4446         * doc/install.texi (Building): Avoid duplicate reference to GNU
4447         make requirement.
4448         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
4449
4450 2004-08-14  Richard Henderson  <rth@redhat.com>
4451
4452         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
4453         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
4454
4455 2004-08-13  Richard Henderson  <rth@redhat.com>
4456
4457         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
4458         for constant_call_address_operand.
4459         (call_value_pop_1, call_value_1): Likewise.
4460         (sibcall_value_1, call_value_1_rex64): Likewise.
4461
4462 2004-08-13  James E Wilson  <wilson@specifixinc.com>
4463
4464         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
4465         Correct mode from SFmode to DFmode.
4466
4467 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
4468
4469         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
4470         __cstring_object and __image_info sections with the no_dead_strip
4471         attribute.
4472
4473 2004-08-13  Roger Sayle  <roger@eyesopen.com>
4474             David Billinghurst  <David.Billinghurst@riotinto.com>
4475
4476         PR libgfortran/15930
4477         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
4478         * fixinc/fixincl.x: Regenerate.
4479         * fixinc/tests/base/internal/math_core.h: New file.
4480
4481 2004-08-13  Richard Henderson  <rth@redhat.com>
4482
4483         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
4484         (dbxout_function_end): Remove ifdefs for it.
4485         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
4486
4487 2004-08-13  Richard Henderson  <rth@redhat.com>
4488
4489         * Makefile.in (insn-preds.o): Depend on TREE_H.
4490         * genpreds.c (write_insn_preds_c): Include tree.h.
4491         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
4492         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
4493         const48_operand, and_operand, or_operand, mode_width_operand,
4494         mode_mask_operand, mul8_operand, const0_operand,
4495         hard_fp_register_operand, hard_int_register_operand,
4496         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
4497         samegp_function_operand, direct_call_operand, small_symbolic_operand,
4498         global_symbolic_operand, call_operand, symbolic_operand,
4499         dtp16_symbolic_operand, dtp32_symbolic_operand,
4500         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
4501         gottp_symbolic_operand, alpha_comparison_operator,
4502         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
4503         signed_comparison_operator, alpha_fp_comparison_operator,
4504         divmod_operator, fix_operator, aligned_memory_operand,
4505         unaligned_memory_operand, reg_or_unaligned_mem_operand,
4506         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
4507         reg_no_subreg_operand, addition_operation): Move to predicates.md.
4508         (reg_or_const_int_operand): Remove.  Replace all users with
4509         reg_or_cint_operand.
4510         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
4511         (resolve_reload_operand): Split out of aligned_memory_operand.
4512         * config/alpha/alpha-protos.h: Update for exports.
4513         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
4514         * config/alpha/alpha.md: Include predicates.md.
4515         * config/alpha/predicates.md: New file.
4516
4517 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
4518
4519         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
4520         fields with a pointer to the instruction definition.
4521         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
4522         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
4523         (write_attr_case, write_const_num_delay_slots): Update accordingly.
4524         (write_attr_case, write_const_num_delay_slots): Write the name of
4525         an insn next to its case statement.
4526         * genoutput.c (data): Add a filename field.
4527         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
4528         (output_insn_data): Print the location of each insn definition.
4529         * genrecog.c (write_action): Print the name of an insn above
4530         the statement that returns its code.
4531
4532 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
4533
4534         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
4535         * config/libgloss.h: Likewise.
4536         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
4537         * c4x/c4x-modes.def: Likewise.
4538         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
4539         (c4x_rptb_nop_p): Likewise.
4540         (c4x_rptb_valid_p): Likewise.
4541         (c4x_rptb_insert): Likewise.
4542         (c4x_address_conflict): Likewise.
4543         * config/c4x/c4x.md: Likewise.
4544         * config/frv/frv.md: Likewise.
4545         * config/i386/athlon.md: Likewise.
4546         * config/i386/i386.md: Likewise.
4547         * config/i386/predicates.md: Likewise.
4548         * config/ia64/ia64.c: Likewise.
4549         * config/ia64/itanium1.md: Likewise.
4550         * config/ia64/itanium2.md: Likewise.
4551         * config/iq2000/iq2000.md: Likewise.
4552         * config/mcore/mcore.c: Likewise.
4553         * config/mips/mips.c: Likewise.
4554         * config/mips/r3900.h: Likewise.
4555         * config/mips/sb1.md: Likewise.
4556         * config/pa/milli64.S: Likewise.
4557         * config/pa/pa.c: Likewise.
4558         * config/pa/pa.h: Likewise.
4559         * config/rs6000/8540.md: Likewise.
4560
4561 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
4562
4563         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
4564
4565 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
4566
4567         * sh.md (cbranch define_delay) Use cond_delay_slot for
4568         non-anulled condition too.
4569
4570 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
4571
4572         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
4573         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
4574         any_parallel_operand, lmw_operation, stmw_operation,
4575         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
4576         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
4577         any_parallel_operand.
4578         (return_and_restore_fpregs_{si,di}): Same.
4579
4580 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
4581
4582         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
4583         if pred->singleton != PARALLEL, issue a warning and pretend it was.
4584         Also issue a warning for any predicate we don't know about.
4585
4586 2004-08-12  Richard Henderson  <rth@redhat.com>
4587
4588         * config/i386/i386.c (internal_label_prefix): Export.
4589         (internal_label_prefix_len, struct ix86_address,
4590         ix86_decompose_address, maybe_get_pool_constant,
4591         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
4592         memory_address_length): Export.
4593         (any_fp_register_operand, fp_register_operand,
4594         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
4595         x86_64_general_operand, x86_64_szext_general_operand,
4596         x86_64_nonmemory_operand, x86_64_movabs_operand,
4597         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
4598         x86_64_zext_immediate_operand, const_int_1_31_operand,
4599         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
4600         tls_symbolic_operand, global_dynamic_symbolic_operand,
4601         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
4602         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
4603         constant_call_address_operand, const0_operand, const1_operand,
4604         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
4605         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
4606         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
4607         general_no_elim_operand, nonmemory_no_elim_operand,
4608         index_register_operand, q_regs_operand, flags_reg_operand,
4609         non_q_regs_operand, zero_extended_scalar_load_operand,
4610         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
4611         ix86_comparison_operator, ix86_carry_flag_operator,
4612         fcmov_comparison_operator, promotable_binary_operator,
4613         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
4614         mult_operator, div_operator, arith_or_logical_operator,
4615         memory_displacement_operand, cmpsi_operand, long_memory_operand,
4616         aligned_operand): Move to predicates.md as define_predicates.
4617         (tls_symbolic_operand_1): Remove.
4618         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
4619         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
4620         (legitimize_address): Merge tls_symbolic_operand contents.
4621         (ix86_expand_move): Likewise.
4622         * config/i386/i386-protos.h: Update for exports.
4623         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
4624         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
4625         * config/i386/i386.md: Include predicates.md.
4626         * config/i386/predicates.md: New file.
4627
4628 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
4629
4630         PR c++/16924
4631         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
4632         SYMBOL_REF_DECL.
4633         (i386_pe_mark_dllimport): Likewise.
4634         (i386_pe_encode_section_info): Likewise, when overriding
4635         dllimport attribute.
4636
4637 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
4638
4639         * configure.ac: When testing for flex, nm, ar, and bison, check
4640         that they will actually be built.
4641         * configure: Regenerate.
4642
4643 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
4644
4645         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
4646         (MOVE_MAX_PIECES): Define.
4647
4648 2004-08-12  Devang patel  <dpatel@apple.com>
4649
4650         * dbxout.c (dbxout_begin_prologue): New function.
4651         (dbx_debug_hooks): Use new begin prologue hook.
4652         (dbxout_function_end): Emit N_ENSYM.
4653         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
4654
4655 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
4656
4657         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
4658         argument is float*.
4659
4660         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
4661         for vec_dss.
4662
4663         * doc/extend.texi (AltiVec builtins): Fix description for recent
4664         changes.  Update operation list to match current support.
4665
4666 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4667
4668         * config/s390/s390.c (struct s390_frame_layout): New struct as element
4669         of struct machine_function.
4670         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
4671         changed all uses.
4672         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
4673         changed all uses.
4674         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
4675         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
4676         (s390_frame_area, s390_register_info): New functions.
4677         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
4678         for base register.
4679         (s390_return_addr_rtx, s390_return_address_offset)
4680         (s390_va_start, s390_gimplify_va_arg)
4681         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
4682         layouts.
4683         (s390_frame_info): Functionality partly moved to s390_register_info.
4684         Made adaptions for new stack layout.
4685         (save_gprs, restore_gprs): Changed meaning of second parameter and
4686         adapted all callers.
4687
4688         * config/s390/s390.h (s390_backchain_string): New global variable.
4689         (MASK_BACKCHAIN): Removed definition.
4690         (TARGET_BACKCHAIN): Changed check.
4691         (TARGET_KERNEL_BACKCHAIN): New macro.
4692         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
4693         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
4694         "kernel-backchain".
4695         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
4696
4697         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
4698         as condition.  Adjusted for new stack layout.
4699
4700         * doc/invoke.texi: Added documentation for new option
4701         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
4702         "-mno-backchain".
4703
4704 2004-08-12  Paul Brook  <paul@codesourcery.com>
4705
4706         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
4707         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
4708
4709 2004-08-12  David Daney  <ddaney@avtrex.com>
4710
4711         * java/gcj.texi:  Add subsection on signal usage.
4712
4713 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
4714
4715         * expr.c (move_by_pieces): Set alignment for move to minimum of
4716         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
4717         alignment, but not less than the original alignment.
4718         (move_by_pieces_ninsns): Same.
4719         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
4720         (store_by_pieces_1): Same.
4721
4722 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
4723
4724         PR tree-optimization/16867
4725         * tree.c (is_global_var): New function.
4726         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
4727         Call is_global_var.
4728         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
4729         Update all users.
4730         (is_global_var): Declare.
4731         * tree-dfa.c (dump_variable): Display global and addressable
4732         attributes.
4733         (add_referenced_var): Clarify documentation when marking
4734         variables call-clobbered.
4735         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
4736         instead of needs_to_live_in_memory.
4737         (mark_call_clobbered): If the variable is a tag, mark it
4738         DECL_EXTERNAL.
4739         * tree-gimple.c (is_gimple_reg): Don't check for
4740         TREE_ADDRESSABLE.
4741         (is_gimple_non_addressable): Likewise.
4742         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
4743         needs to be marked call-clobbered.
4744         (setup_pointers_and_addressables): Call is_global_var instead
4745         of needs_to_live_in_memory.
4746         * tree-ssa-dce.c (need_to_preserve_store): Remove.
4747         Update all users with is_global_var.
4748         (mark_stmt_if_obviously_necessary): Fix processing of aliased
4749         stores.  Don't check the virtual definitions.  Rather, check
4750         whether the store is going into global memory.
4751         (find_obviously_necessary_stmts): Get the symbol from the PHI
4752         result.
4753         * tree-ssa-operands.c (get_call_expr_operands): Do not add
4754         clobbering may-defs if the call does not have side effects.
4755
4756 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
4757
4758         PR c++/16276
4759         * output.h (default_function_rodata_section,
4760         default_no_function_rodata_section): New prototypes.
4761         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
4762         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
4763         (TARGET_ASM_OUT): Add it.
4764         * varasm.c (default_function_rodata_section,
4765         default_no_function_rodata_section): New functions.
4766         * final.c (final_scan_insn): Call
4767         targetm.asm_out.function_rodata_section instead of
4768         readonly_data_section.
4769         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
4770         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
4771         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
4772         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
4773         Likewise.
4774         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
4775         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
4776         Likewise.
4777         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
4778         Likewise.
4779         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
4780         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
4781         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
4782
4783 2004-08-12  Paul Brook  <paul@codesourcery.com>
4784
4785         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
4786         frame info.
4787         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
4788         DWARF2_UNWIND_INFO.
4789
4790 2004-08-12  Ben Elliston  <bje@au.ibm.com>
4791
4792         PR target/16286
4793         * config/rs6000/altivec.h: Change vector to __vector throughout.
4794         (Except for the `vector' macro itself).
4795
4796 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
4797
4798         * genpreds.c: Add capability to generate predicate bodies as
4799         well as function prototypes.  Write function prototypes for
4800         the generic predicates too.
4801         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
4802         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
4803         (write_match_code, write_predicate_expr, write_one_predicate_function)
4804         (parse_option): New functions.
4805         (output_predicate_decls): Delete.
4806         (main): Read the machine description, process DEFINE_PREDICATE or
4807         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
4808         as appropriate.
4809
4810         * genrecog.c (struct decision_test): Replace index with
4811         struct pred_data pointer.
4812         (next_index): Remove, unused.
4813         (pred_table, preds, special_mode_pred_table): Delete.
4814         (compute_predicate_codes, process_define_predicate): New functions.
4815         (validate_pattern, add_to_sequence, write_switch): Update for
4816         new data structures.
4817         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
4818         Check both error_count and have_error.
4819
4820         * gensupport.c (in_fname, first_predicate): New globals.
4821         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
4822         (predicate_table, last_predicate, old_pred_table)
4823         (old_special_pred_table): New statics.
4824         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
4825         (add_predicate, init_predicate_table): New functions.
4826         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
4827         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
4828         it or max_include_len.  Call init_predicate_table.
4829         (read_rtx): Run the predicate queue after the attribute queue
4830         but before all the others.
4831         * gensupport.h (in_fname, struct pred_data, first_predicate)
4832         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
4833         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
4834         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
4835         * dummy-conditions.c: Don't include bconfig.h, system.h,
4836         coretypes.h, tm.h, or system.h.  Do include stddef.h.
4837         Duplicate declaration of struct c_test from gensupport.h.
4838
4839         * Makefile.in (OBJS-common): Add insn-preds.o.
4840         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
4841         (insn-preds.c, insn-preds.o): New rules.
4842         (s-preds): Also generate insn-preds.c.
4843         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
4844         Update dependencies.
4845         (print-rtl.o, print-rtl1.o): Correct dependencies.
4846
4847         * recog.h: Delete prototypes of predicate functions.
4848
4849         * doc/md.texi (Predicates): New section with complete
4850         documentation of operand/operator predicates.  Remove some
4851         incomplete documentation of predicates from other places.
4852         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
4853         PREDICATE_CODES; indicate that both are deprecated in favor
4854         of define_predicate/define_special_predicate.
4855
4856         * config/ia64/ia64.c: All predicate function definitions moved
4857         to ia64.md, except
4858         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
4859         (ia64_expand_load_address, ia64_expand_move):
4860         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
4861
4862         * config/ia64/ia64.md: All predicates now defined here.
4863         (symbolic_operand): Is now a special predicate.
4864
4865         * config/ia64/ia64.h: Declare ia64_section_threshold.
4866         (PREDICATE_CODES): Delete.
4867
4868 2004-08-12  Richard Henderson  <rth@redhat.com>
4869
4870         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
4871         * c-semantics.c (add_stmt): Set it.
4872         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
4873         before instantiating a variable sized type.
4874
4875 2004-08-12  Richard Henderson  <rth@redhat.com>
4876
4877         * stor-layout.c (round_up, round_down): Move ...
4878         * fold-const.c (round_up, round_down): ... here.  Use
4879         multiple_of_p to avoid any arithmetic at all.
4880
4881 2004-08-12  Richard Henderson  <rth@redhat.com>
4882
4883         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
4884         (gimplify_init_ctor_preeval_1): New.
4885         (gimplify_init_ctor_preeval): New.
4886         (gimplify_init_ctor_eval): New.
4887         (gimplify_init_constructor): Use them.  Always gimplify the LHS
4888         object first.
4889
4890 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
4891
4892         (This patch is part of merge of objc-improvements-branch
4893         into mainline.)
4894
4895         * doc/frontends.texi: Mention Objective-C++ in addition to
4896         Objective-C.
4897         * doc/install.texi: Add 'obj-c++' to list of configurable
4898         languages.
4899         * doc/invoke.texi: Rename Objective-C option headings to
4900         indicate they also apply to Objective-C++.  List file
4901         extensions for Objective-C++ sources.  Mention that
4902         ObjC and ObjC++ compilations may also use C and C++ options,
4903         respectively.  Point users to doc/standards.texi for
4904         further info on ObjC and ObjC++.
4905         * doc/sourcebuild.texi: Mention the objcp/ directory and
4906         the Objective-C++ sources it contains.
4907         * doc/standards.texi: Update link to Apple ObjC site;
4908         add link to gcc readings.html WWW doc.
4909
4910 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
4911
4912         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
4913         and 2004-07-14 changes.
4914
4915 2004-08-12  Paul Brook  <paul@codesourcery.com>
4916
4917         * doc/invoke.texi: Fix typo.
4918
4919 2004-08-11 Devang Patel  <dpatel@apple.com>
4920
4921         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
4922         and -no_dead_strip_inits_and_terms.
4923         (LINK_SPEC): Same.
4924         * doc/invoke.texi (Darwin Options): Document -dead_strip and
4925         -no_dead_strip_inits_and_terms.
4926
4927 2004-08-11  Paul Brook  <paul@codesourcery.com>
4928
4929         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
4930         (arm_load_pic_register): ... to this.
4931         * config/arm/arm.c (arm_finalize_pic): Rename ...
4932         (arm_load_pic_register): ... to this.  Always output insns at the
4933         current location.  Load via low reg in thumb mode.
4934         (arm_expand_prologue): Call arm_load_pic_register.
4935         (thumb_expand_prologue): Ditto.
4936         * config/arm/arm.h (FINALIZE_PIC): Remove.
4937         * config/arm/arm.md (builtin_setjmp_receiver): Call
4938         arm_load_pic_register.
4939
4940 2004-08-11  Paul Brook  <paul@codesourcery.com>
4941
4942         * arm.c (thumb_force_lr_save): Add prototype.
4943         (thumb_compute_save_reg_mask): New function.
4944         (thumb_find_work_register): New function.
4945         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
4946         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
4947         Don't clobber r3 when removing pretend args.
4948         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
4949         (thumb_output_function_prologue): Use new functions.
4950         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
4951         * arm.h (THUMB_REG_PUSHED_P): Remove.
4952
4953 2004-08-11  James E Wilson  <wilson@specifixinc.com>
4954
4955         PR rtl-optimization/16490
4956         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
4957         global_live_at_end for new basic block if already set for other blocks.
4958
4959 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
4960
4961         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
4962
4963         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
4964         (mfcr rlwinm rlwinm patterns): Set length to 12.
4965
4966 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
4967
4968         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
4969         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
4970         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
4971         (start_ssa_stmt_operands): Delete.
4972         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
4973         struct stmt_operands_d.
4974         (build_ssa_operands): New extern entry point.
4975         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
4976         building code, replace with create_ssa_artficial_load_stmt().
4977         * tree-ssa-operands.c (struct voperands_d): Delete.
4978         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
4979         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
4980         (free_uses, free_defs, free_vuses, free_v_may_defs,
4981         free_v_must_defs): Remove dealloc parameter.
4982         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
4983         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
4984         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
4985         vector comparisons, ssa_name reuse, and allocations here.
4986         (verify_start_operands): Delete.
4987         (finalize_ssa_stmt_operands): Set new operands by calling finalize
4988         routines.
4989         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
4990         (append_def, append_usei): Simplify to simple accumulation.
4991         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
4992         duplicates and simple accumulation.
4993         (free_ssa_operands): Free vectors in a stmt_operand structure.
4994         (build_ssa_operands): New. Create a new stmt_operand structure from
4995         a stmt and an old set of stmt_operands.
4996         (get_stmt_operands): Simplify and call build_ssa_operands.
4997         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
4998         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
4999         add_call_read_ops): Don't pass prev_vops around anymore.
5000         (note_addressable): Return if no stmt annotation.
5001         (copy_virtual_operands): Access v_may_def operands through a struct.
5002         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
5003         hash tables without treating the stmt as a real stmt.
5004         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
5005         v_may_def def and use through a struct instead of 2 array elements.
5006         (struct v_may_def_optype_d): Use v_may_def_operand_type.
5007         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
5008
5009 2004-08-11  Nick Clifton  <nickc@redhat.com>
5010
5011         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
5012         this funciton's behaviour.  Return true when the current function
5013         has a section attribute and -mlong-calls is in effect.
5014         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
5015         short-call marker when -mlong-calls is in effect and the function
5016         has a section attribute.
5017
5018 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
5019
5020         * stmt.c (expand_return): If asked to return the RESULT_DECL,
5021         just call expand_value_return on result_rtl.
5022
5023 2004-08-10  Richard Henderson  <rth@redhat.com>
5024
5025         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
5026         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
5027         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
5028         (add_location_or_const_value_attribute): ... not here.  Use
5029         loc_descriptor_from_tree if possible.
5030         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
5031         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
5032         values specially.
5033         (loc_descriptor_from_tree): New.  Update callers.
5034         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
5035         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
5036         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
5037         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
5038         and BUILT_IN_STACK_RESTORE.
5039         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
5040         * stmt.c (expand_stack_alloc): Remove.
5041         * tree-mudflap.c (mx_register_decls): Don't look for
5042         BUILT_IN_STACK_ALLOC.
5043         * tree-nested.c (convert_local_reference): Likewise.
5044         * tree.h (DECL_VALUE_EXPR): New.
5045
5046 2004-08-10  Richard Henderson  <rth@redhat.com>
5047
5048         * stor-layout.c (round_up): Check for 0/1 before dividing.
5049         (round_down): Likewise.
5050
5051         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
5052
5053 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
5054
5055         * config.gcc (arm*-*-eabi*): New target.
5056         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
5057         (TARGET_LIB_INT_CMP_BIASED): Likewise.
5058         * expmed.c (expand_divmod): Try a two-valued divmod function as a
5059         last resort.
5060         * gthr.h: Remove bogus tokens at end of #pragma.
5061         * optabs.c (expand_twoval_binop_libfunc): New function.
5062         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
5063         (prepare_float_lib_cmp): Try reversing the condition.
5064         (debug_optab_libfuncs): New function.
5065         * optabs.h (expand_twoval_binop_libfunc): Declare.
5066         * config/arm/arm.c (arm_init_libfuncs): New function.
5067         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
5068         (TARGET_INIT_LIBFUNCS): Define it.
5069         * config/arm/arm.h (TARGET_BPABI): New macro.
5070         * config/arm/arm-protos.h
5071         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
5072         * config/arm/bpabi.S: New file.
5073         * config/arm/bpabi.c: Likewise.
5074         * config/arm/bpabi.h: Likewise.
5075         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
5076         (__aeabi_drsub): Likewise.
5077         (__aeabi_dsub): Likewise.
5078         (__aeabi_dadd): Likewise.
5079         (__aeabi_ui2d): Likewise.
5080         (__aeabi_i2d): Likewise.
5081         (__aeabi_f2d): Likewise.
5082         (__aeabi_dmul): Likewise.
5083         (__aeabi_ddiv): Likewise.
5084         (__aeabi_cdrcmple): Likewise.
5085         (__aeabi_cdcmpeq): Likewise.
5086         (__aeabi_cdcmple): Likewise.
5087         (__aeabi_dcmpeq): Likewise.
5088         (__aeabi_dcmplt): Likewise.
5089         (__aeabi_dcmple): Likewise.
5090         (__aeabi_dcmpge): Likewise.
5091         (__aeabi_dcmpgt): Likewise.
5092         (__aeabi_dcmpun): Likewise.
5093         (__aeabi_d2iz): Likewise.
5094         (__aeabi_d2uiz): Likewise.
5095         (__aeabi_d2f): Likewise.
5096         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
5097         (__aeabi_frsub): Likewise.
5098         (__aeabi_fsub): Likewise.
5099         (__aeabi_fadd): Likewise.
5100         (__aeabi_ui2f): Likewise.
5101         (__aeabi_i2f): Likewise.
5102         (__aeabi_fmul): Likewise.
5103         (__aeabi_fdiv): Likewise.
5104         (__aeabi_cfrcmple): Likewise.
5105         (__aeabi_cfcmpeq): Likewise.
5106         (__aeabi_cfcmple): Likewise.
5107         (__aeabi_fcmpeq): Likewise.
5108         (__aeabi_fcmplt): Likewise.
5109         (__aeabi_fcmple): Likewise.
5110         (__aeabi_fcmpge): Likewise.
5111         (__aeabi_fcmpgt): Likewise.
5112         (__aeabi_fcmpun): Likewise.
5113         (__aeabi_f2iz): Likewise.
5114         (__aeabi_f2uiz): Likewise.
5115         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
5116         (__aeabi_uidivmod): New function or alias.
5117         (__aeabi_idivmod): Likewise.
5118         (__aeabi_idiv0): Likewise.
5119         (__aeabi_ldiv0): Likewise.
5120         (__aeabi_llsr): Likewise.
5121         (__aeabi_lasr): Likewise.
5122         (__aeabi_llsl): Likewise.
5123         (bpabi.S): Include it.
5124         * config/arm/libgcc-bpabi.ver: New file.
5125         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
5126         (LINK_SPEC): Remove.
5127         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
5128         __aeabi_ulcmp.
5129         * config/arm/t-bpabi: New file.
5130         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
5131         (TARGET_LIB_INT_CMP_BIASED): Likewise.
5132
5133 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
5134
5135         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
5136         * config/rs6000/rs6000.md (clrmemsi): New pattern.
5137         * config/rs6000/rs6000.c (expand_block_clear): New function.
5138         (expand_block_move): Convert alignment to bits.  Use SImode and
5139         HImode for unaligned addresses if not STRICT_ALIGNMENT.
5140
5141 2004-08-10  Caroline Tice  <ctice@apple.com>
5142
5143         * varasm.c (unlikely_section_label): New global variable.
5144         (unlikely_text_section_name): New global variable.
5145         (text_section):  Remove alignment statement.
5146         (unlikely_text_section): Remove alignment statement; use
5147         unlikely_section_label rather than hard-coded string.
5148         (assemble_start_function): Initialize unlikely_section_label and
5149         unlikely_text_section_name;  make sure cold section is properly
5150         aligned at start of function; output unlikely_section_label if
5151         appropriate.
5152
5153 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
5154
5155         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
5156         * config/s390/s390.c (s390_canonicalize_comparison): New function.
5157         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
5158         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
5159         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
5160         ("*tmqi_mem"): Remove SUBREG from pattern.
5161         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
5162         ("*andsi3_cconly"): Likewise.
5163
5164 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
5165
5166         PR target/16909
5167         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
5168
5169 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
5170
5171         * doc/sourcebuild.texi (compat testing): Document available test
5172         framework commands.  Use the preferred spelling of DejaGnu.
5173
5174 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
5175
5176         * lambda.h: Add matrix type, and prototypes for remainder of
5177         matrix and vector functions.
5178         (lambda_vector_mult_const): New function.
5179         (lambda_vector_negate): Ditto.
5180         (lambda_vector_add): Ditto.
5181         (lambda_vector_add_mc): Ditto.
5182         (lambda_vector_copy): Ditto.
5183         (lambda_vector_zerop): Ditto.
5184         (lambda_vector_equal): Ditto.
5185         (lambda_vector_min_nz): Ditto.
5186         (lambda_vector_first_nz): Ditto.
5187         (lambda_vector_matrix_mult): Ditto.
5188         * lambda-mat.c: New file.
5189         * Makefile.in (lambda-mat.o): New.
5190
5191 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
5192
5193         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
5194         after linking stmt into the program.
5195         (bsi_remove): Don't call modify_stmt.
5196         * tree-complex.c (update_complex_assignment,
5197         expand_complex_comparison): Call modify_stmt after changing the stmt.
5198         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
5199         removing the stmt.
5200         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
5201         the stmt, and only if needed.
5202         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
5203         expression.
5204         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
5205         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
5206         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
5207         (eliminate_redundant_computations): Don't pass an annotation. Call
5208         modify_stmt rather than setting the annotation directly.
5209         (record_equivalences_from_stmt): Remove unused local 'j'.
5210         (cprop_operand): Take a stmt rather than an annotation as a parameter.
5211         Call modify_stmt.
5212         (cprop_into_stmt): Pass stmt rather than annotation.
5213         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
5214         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
5215         modify_stmt.
5216         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
5217
5218 2004-08-10  Jason Merrill  <jason@redhat.com>
5219
5220         PR middle-end/16948
5221         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
5222         the RESULT_DECL.
5223
5224 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
5225
5226         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
5227         hash function.
5228
5229 2004-08-10  Roger Sayle  <roger@eyesopen.com>
5230
5231         * config/mips/mips.md: New reciprocal square root patterns that
5232         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
5233
5234 2004-08-10  Paul Brook  <paul@codesourcery.com>
5235
5236         * config/arm/arm-protos.h (arm_set_return_address,
5237         thumb_set_return_address): Add prototypes.
5238         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
5239         * config/arm/arm.c (arm_compute_func_type,
5240         use_return_insn, arm_compute_save_reg0_reg12_mask,
5241         arm_compute_save_reg_mask, arm_output_function_prologue,
5242         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
5243         current_function_calls_eh_return.
5244         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
5245         old eh code.
5246         (arm_set_return_address, thumb_set_return_address): New functions.
5247         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
5248         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
5249         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
5250         (epilogue): Use the stackadj register.
5251         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
5252
5253 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
5254
5255         PR target/3144
5256         * expr.c (move_by_pieces_ninsns): Add max_size argument.
5257         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
5258         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
5259         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
5260         but using MOVE_RATIO.
5261         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
5262         (can_store_by_pieces): Change max_size type to unsigned int.
5263         (store_by_pieces_1): Likewise.  Pass max_size to
5264         move_by_pieces_ninsns.
5265         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
5266         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
5267         to move_by_pieces_ninsns.
5268         (STORE_BY_PIECES_P): Define.
5269         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
5270         to move_by_pieces_ninsns.
5271         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
5272
5273         * config/i386/i386.h (CLEAR_RATIO): Define.
5274
5275 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
5276
5277         * expr.c (expand_expr_real_1): Add back code that was not dead.
5278
5279 2004-08-09  Andrew Pinski  <apinski@apple.com>
5280
5281         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
5282         which is found to be compatible before returning the aliasing set.
5283
5284 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
5285
5286         * ggc-zone.c (struct alloc_zone): Add statistics counters.
5287         (always_collect): New flag.
5288         (ggc_alloc_zone_1): Update statistics support.  Don't include
5289         overhead in allocated counter.
5290         (sweep_pages): Update allocated counter for large pages.  Don'y
5291         include overhead.
5292         (ggc_collect_1): Always collect.
5293         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
5294         whether to collect.
5295         (SCALE, LABEL): New macros.
5296         (ggc_print_statistics): Add statistics support.
5297
5298 2004-08-09  Roger Sayle  <roger@eyesopen.com>
5299
5300         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
5301         (init_expmed): Fix potential overrun problem with "all.reg".
5302         (expand_sdiv2_pow2): Add an alternate implementation for signed
5303         division, if the target provides a suitable conditional move insn.
5304
5305 2004-08-09  Paul Brook  <paul@codesourcery.com>
5306         Richard Henderson  <rth@redhat.com>
5307
5308         * unwind-dw2.c (uw_install_context_1): Update target saved stack
5309         pointer.
5310
5311 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
5312
5313         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
5314         Check DATA limit only if there's no AS limit.  Ignore insanely
5315         low DATA limits.
5316         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
5317         but take care that the AS limit isn't overrun.
5318         * doc/invoke.texi: Update documentation of min-heapsize parameter.
5319
5320 2004-08-09  Jeff Law  <law@redhat.com>
5321
5322         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
5323         (tree-ssa-threadupdate.o): Add dependencies.
5324         * tree-ssa-threadupdate.c: New file.
5325         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
5326         (rewrite_vars_out_of_ssa): Remove prototype.
5327         (cleanup_tree_cfg): Returns a bool.
5328         * tree.h (thread_through_all_blocks): Prototype.
5329         * tree-outof-ssa.c  (SSANORM_*): Move into here.
5330         (remove_ssa_form): Now static.
5331         (rewrite_vars_out_of_ssa): Kill.
5332         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
5333         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
5334         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
5335         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
5336         anything was changed.
5337         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
5338         from the PHI's annotation rather than the edge associated with
5339         the new argument.
5340         * tree-ssa-dom.c (redirection_edges): Kill.
5341         (redirect_edges_and_update_ssa_graph): Kill.
5342         (tree_ssa_dominator_optimize): Do not reset forwardable flag
5343         for blocks anymore.  Do not initialize redirection_edges.
5344         Call thread_through_all_blocks.  Simplify code for cleanup
5345         of the CFG and iterating.  No longer call cleanup_tree_cfg
5346         outside the iteration loop.
5347         (thread_across_edge): No longer mess with forwardable blocks.
5348
5349 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
5350
5351         * explow.c (memory_address): Use memory_address_p.
5352         * recog.c (general_operand): Likewise.
5353         * regrename.c: No need to define REG_OK_STRICT.
5354
5355 2004-08-09  Steven Bosscher  <stevenb@suse.de>
5356
5357         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
5358         New timers.
5359         * gcse.c: Include timevar.h.
5360         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
5361         and global_copy_prop_count.
5362         (local_const_prop_count, local_copy_prop_count): New static globals.
5363         (gcse_main): Set the right timevar for each pass.
5364         (cprop_jump): Increment global_const_prop_count when a constant is
5365         propagated.  Add "GLOBAL" to dump output.
5366         (cprop_insn): Increment global_const_prop_count when a constant is
5367         propagated, or global_copy_prop_count when a copy is propagated.
5368         (do_local_cprop): Likewise for local_const_prop_count and
5369         local_copy_prop_count.
5370         (one_cprop_pass): Initialize const/cprop counters to zero.
5371         Print out results of local and global const/cprop separately.
5372         (bypass_block): Break over-length line.
5373         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
5374         for bb-reorder.o and tracer.o.
5375
5376 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
5377
5378         * Makefile.in (GTFILES): Remove stmt.c
5379         (stmt.o): Do not depend on gt-stmt.h.
5380         * emit-rtl.c (emit_line_note): Do not call
5381         set_file_and_line_for_stmt.
5382         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
5383         do everything.
5384         * function.c (free_after_parsing): Do not free STMT field.
5385         (allocate_struct_function): Do not call init_stmt_for_function.
5386         (assign_stack_temp_for_type): Do not accept values of keep
5387         other than 0 or 1.
5388         (init_temp_slots): Do not initialize removed variables.
5389         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
5390         and X_VAR_TEMP_SLOT_LEVEL fields.
5391         * rtl.h (set_file_and_line_for_stmt): Remove.
5392         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
5393         struct stmt_status, cond_stack, case_stack, nesting_stack,
5394         nesting_depth, emit_locus, set_file_and_line_for_stmt,
5395         same_case_target_p, init_stmt_for_function, emit_nop,
5396         expand_start_cond, expand_start_elseif, expand_start_else,
5397         expand_elseif, expand_end_cond): Remove.
5398         (preserve_subexpressions_p): Remove references to CFUN->STMT.
5399         (expand_start_case, expand_end_case_type): Remove, merge into...
5400         (expand_case): ... this one, including other bits from
5401         expand_expr_real_1.  Inline same_case_target_p.  Turn members
5402         of CASE_STACK into local variables.
5403         (emit_case_bit_tests): Inline same_case_target_p.
5404         (add_case_node): Add HEAD argument, return new head of the list,
5405         do not handle default label here.
5406         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
5407         expand_start_elseif, current_nesting_level, expand_start_case,
5408         expand_end_case_type, expand_end_case, add_case_node,
5409         init_stmt_for_function, expand_elseif): Remove prototypes.
5410         (expand_case): Add prototype.
5411
5412 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
5413
5414         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
5415
5416 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
5417
5418         * expr.c (var_rtx): Remove.
5419         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
5420         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
5421         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
5422         Abort.
5423         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
5424         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
5425         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
5426
5427 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
5428         Ayal Zaks <zaks@il.ibm.com>
5429
5430         * common.opt (freschedule-modulo-scheduled-loops): New flag.
5431         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
5432         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
5433         when -freschedule-modulo-scheduled-loops flag is not specified.
5434         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
5435         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
5436         More accurate placing of insn in row of partial schedule.
5437         (ps_insn_find_column): New function.
5438         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
5439         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
5440         (schedule_region): Use sched_is_disabled_for_current_region_p.
5441         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
5442
5443 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5444
5445         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
5446         change.
5447
5448 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5449
5450         * config/i386/i386.c (ix86_expand_clrmem): Properly call
5451         gen_strset for 64bit target.
5452
5453 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
5454
5455         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
5456
5457 2004-08-07  Jason Merrill  <jason@redhat.com>
5458
5459         Make return in memory explicit.
5460         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
5461         (assign_parm_find_data_types): Remove code for old front end
5462         invisible reference handling.
5463         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
5464         (expand_function_end): Likewise.
5465         * gimplify.c (gimplify_return_expr): Handle a dereferenced
5466         RESULT_DECL.
5467         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
5468         (declare_return_variable): Handle DECL_BY_REFERENCE.
5469         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
5470         (cp_genericize_r): Use convert_from_reference.
5471         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
5472         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
5473
5474         * c-common.c (c_warn_unused_result): Check TREE_USED before
5475         warning about a CALL_EXPR with an unused value.
5476
5477 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
5478
5479         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
5480         to the compiler.  Use -fshort-wchar by default.
5481
5482 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
5483
5484         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
5485         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
5486         threshhold.
5487         * doc/invoke.texi (param): Document min-crossjump-insns.
5488
5489 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
5490
5491         PR c/13282
5492         * c.opt (Wmissing-field-initializers): New option.
5493         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
5494         * c-typeck.c (pop_init_level): Guard the missing field warning with
5495         warn_missing_field_initializers rather than extra_warnings.
5496         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
5497         some of the explanation from...
5498         (-Wextra): ...here.  Say that the missing field warning can be
5499         seperately controlled by -Wmissing-field-initializers.
5500
5501 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
5502
5503         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
5504         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
5505         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
5506         * tree.def (ENTRY_VALUE_EXPR): Remove.
5507
5508 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
5509
5510         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
5511         the places where it is actually needed.  Don't use repz; stosb
5512         for -Os with sufficiently small constant sizes.
5513         For sufficiently small repz; stos{l,q} repeat counts use a sequence
5514         of stos{l,q} instructions instead.
5515
5516 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5517
5518         PR tree-optimization/16807
5519         * loop-iv.c (dump_iv_info): Dump invariants correctly.
5520         (iv_subreg, iv_extend): Express value of invariant purely in
5521         base field.
5522
5523 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
5524
5525         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
5526         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
5527
5528 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
5529
5530         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
5531         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
5532         pre_dec_operand.
5533         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
5534         pattern until reload is finished to allow better code generation
5535         and split them completely into separate instrunctions.
5536         (*andsi3_split): New pattern.
5537
5538 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
5539
5540         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
5541         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
5542         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
5543         * tree.h (handle_dll_attribute): Declare.  Test
5544         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
5545         * c-common.h (c_determine_visibility): Declare.
5546         * c-common.c (c_determine_visibility): New function.
5547         * c-decl.c (finish_decl): Use it.
5548         (finish_function): Likewise.
5549         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
5550         zero, by default.  Use #if, not #ifdef, to test it.
5551         * config/arm/arm.c (arm_attribute_table): Use
5552         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
5553         #if.
5554         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
5555         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
5556         to 1.
5557         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
5558         * config/i386/i386.c (ix86_attribute_table): Use
5559         handle_dll_attribute for dllimport/dllexport.  Test
5560         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
5561         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
5562         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
5563         it to 1.
5564         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
5565         with #if.
5566         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
5567         it to 1.
5568         * doc/extend.texi (dllexport): Clarify and correct documentation.
5569         (dllimport): Likewise.
5570         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
5571         handle_dll_attribute.
5572
5573 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5574
5575         * tree-ssa-loop-manip.c: New file.
5576         * Makefile.in (tree-ssa-loop-manip.o): Add.
5577         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
5578         Declare.
5579         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
5580         form.
5581         (tree_ssa_loop_done): Verify loop closed ssa form.
5582         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
5583
5584 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5585
5586         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
5587         pa_asm_output_aligned_local): New functions.
5588         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
5589         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
5590         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
5591         pa_asm_output_aligned_common.
5592         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
5593         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
5594         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
5595         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
5596         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
5597         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
5598         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
5599         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
5600         common data.
5601
5602 2004-08-05  Andrew Pinski  <apinski@apple.com>
5603
5604         * objc/objc-act.c (build_objc_string_object): Mark the address
5605         expression as constant.
5606
5607 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
5608
5609         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
5610         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
5611         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
5612
5613 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
5614
5615         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
5616         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
5617         out, and associated obsolete comments.
5618
5619 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
5620
5621         * tree.h (force_fit_type): Return a tree, take three flags.
5622         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
5623         TREE_CONSTANT_OVERFLOW here.
5624         (int_const_binop, const_binop): Adjust.
5625         (size_int_type): Do sign extension here.
5626         (fold_convert_const, optimize_bit_field_compare,
5627         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
5628         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
5629         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
5630
5631 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5632
5633         PR tree-optimization/16864
5634         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
5635         for ssa names without default_def.
5636
5637 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
5638
5639         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
5640         frame pointer, restore eax with an ebp-relative address.
5641
5642 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
5643
5644         PR 14516
5645         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
5646         * c-common.h (make_rtl_for_local_static): Delete.
5647         * c-decl.c (shadow_tag_warned): Clean up comment.
5648         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
5649         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
5650         * c-semantics.c (make_rtl_for_local_static): Delete.
5651         * expr.c (init_block_move_fn): Use set_user_assembler_name.
5652         (init_block_clear_fn): Likewise.
5653         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
5654         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
5655         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
5656         * tree.h (make_decl_rtl): Remove second parameter.
5657         (set_user_assembler_name): New.
5658         * varasm.c (set_user_assembler_name): New.
5659         (make_decl_rtl): Remove second parameter.  Update callers in many
5660         files.
5661
5662 2004-08-05  Adam Nemet  <anemet@lnxw.com>
5663
5664         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
5665         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
5666         to LynxOS 4.0.
5667         * gthr-lynx.h: New file.
5668         * config/lynx-ng.h: Remove file.
5669         * config/lynx.h: Update to LynxOS 4.0.
5670         * config/t-lynx: New file.
5671         * config/i386/lynx-ng.h: Remove file.
5672         * config/i386/lynx.h: Update to LynxOS 4.0.
5673         * config/rs6000/lynxbase.h: Remove file.
5674         * config/rs6000/lynx.h: Update to LynxOS 4.0.
5675         * config/rs6000/t-lynx: New file.
5676         * doc/install.texi (Options specification): Remove reference to
5677         LynxOS from systems where --with-gnu-as makes a difference.
5678
5679 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
5680
5681         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
5682         __UINTMAX_TYPE__.
5683         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
5684         __INTMAX_MAX__.
5685         (c_cpp_builtins): Call it.
5686         * doc/cpp.texi: Update.
5687
5688 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
5689
5690         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
5691         cost.
5692
5693 2004-08-04  Jan Hubicka  <jh@suse.cz>
5694
5695         * basic-block.h (profile_staus): New global variable.
5696         * cfg.c (profile_status): Declare.
5697         (check_bb_profile): Break out from ....; use profile_status
5698         (dump_flow_info): ... here.
5699         * cfgbuild.c (find_basic_blocks): Set profile_status.
5700         * cfgexpand.c (tree_expand_cfg): Likewise.
5701         * predict.c (estimate_probability): Likewise.
5702         * profile.c (branch_prob): Likewise.
5703         * tree-cfg.c (build_tree_cfg): Likewise.
5704         (dump_function_to_file): Use check_bb_profile.
5705         * tree-pretty-print (dump_bb_header): Likewise.
5706         * tree-profile.c (do_tree_profiling): Cleanup.
5707
5708 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
5709
5710         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
5711         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
5712         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
5713         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
5714         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
5715         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
5716         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
5717         (ggc-none.o, errors.o): Move rule to generators section;
5718         correct dependencies.
5719         (min-insn-modes.o): Move rule to generators section; remove
5720         unnecessary explicit command; correct dependencies.
5721         (print-rtl.o, print-rtl1.o): Correct dependencies.
5722         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
5723         (mostlyclean): Update.
5724
5725         * errors.c: Include bconfig.h not config.h.  Correct comment.
5726         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
5727         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
5728         * print-rtl.c: Don't include tm_p.h.
5729
5730         * rtl.h: Move forward-decl of struct function down where it's
5731         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
5732         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
5733
5734 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5735             Jeff Law  <law@redhat.com>
5736
5737         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
5738         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
5739         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
5740         manipulate the duplicated ssa names.
5741         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
5742         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
5743         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
5744         New functions.
5745         (release_ssa_name): Do not release ssa names that may have multiple
5746         definitions.
5747         * tree.h (release_ssa_name_force, mark_for_rewrite,
5748         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
5749         marked_ssa_names): Declare.
5750         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
5751         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
5752         Update call to rewrite_ssa_into_ssa.
5753
5754 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
5755
5756         * defaults.h (TARGET_DECLSPEC): New macro.
5757         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
5758         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
5759         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
5760         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
5761         __declspec support.
5762         (TARGET_DECLSPEC): Define.
5763         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
5764         __declspec support.
5765         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
5766         __declspec support.
5767         (TARGET_DECLSPEC): Define.
5768         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
5769         __declspec support.
5770         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
5771         support.
5772         * doc/tm.texi (TARGET_DECLSPEC): Document.
5773
5774         * doc/extend.texi: Fix typo in comment.
5775
5776 2004-08-04  Paul Brook  <paul@codesourcery.com>
5777
5778         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
5779         (TARGET_CXX): Use it.
5780         * target.h (struct gcc_target): Add cdtor_returns_this.
5781         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
5782         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
5783         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
5784
5785 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
5786
5787         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
5788         low/high pair. Do range checking directly.
5789         (interpret_integer): Adjust.
5790
5791 2004-08-04  Nick Clifton  <nickc@redhat.com>
5792
5793         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
5794         GCC ABI.
5795         * doc/invoke.texi: Document this new switch and also the -mrenesas
5796         switch.
5797
5798 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
5799
5800         * cfglayout.c (insn_locators_initialize): Update the current
5801         location before initializing a location.
5802
5803 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
5804
5805         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
5806         (dbxout_function_end): Return after emitting the "Lscope" symbol
5807         under the same conditions that this function formerly wasn't called.
5808         Add explanatory comments.
5809
5810         PR 14860
5811         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
5812         on the new decl.
5813
5814         PR 13956
5815         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
5816         functions, broken out of dbxout_block.
5817         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
5818         stabs too, if it contains symbols.  Use the begin_label and
5819         the Lscope label (emitted by dbxout_function_end) for the
5820         range of this block.
5821
5822 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
5823
5824         * doc/install.texi: Update autoconf version requirements.
5825
5826 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
5827
5828         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
5829         * recog.c (general_operand, immediate_operand, nonmemory_operand)
5830         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
5831         * regclass.c (record_reg_classes): Likewise.
5832         * reload.c (find_reloads): Likewise.
5833         * reload1.c (reload): Likewise.
5834
5835 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
5836
5837         * gensupport.c (init_md_reader_args_cb): Renamed from
5838         init_md_reader_args.  Add third option, callback function for
5839         parsing program-specific options.  Add diagnosis of incorrect
5840         number of input files.
5841         (init_md_reader): Fold into init_md_reader_args_cb.
5842         (init_md_reader_args): Now a thin wrapper around
5843         init_md_reader_args_cb.
5844         * gensupport.h: Update prototypes.
5845
5846         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
5847         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
5848         * genrecog.c: No need to diagnose lack of an input file;
5849         init_md_reader_args will handle it.
5850         * genconditions.c: Likewise, and use init_md_reader_args.
5851         * genconstants.c: Likewise, and no need to call read_md_rtx.
5852
5853 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
5854
5855         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
5856         declarations.
5857
5858 2004-08-03  Mike Stump  <mrs@apple.com>
5859
5860         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
5861         for frameworks.
5862         * doc/invoke.texi (Darwin Options): Update to reflect above.
5863
5864 2004-08-03  Roger Sayle  <roger@eyesopen.com>
5865
5866         PR middle-end/16790
5867         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
5868         truncations, not just global truncations.
5869
5870 2004-08-03  Andrew Pinski  <apinski@apple.com>
5871
5872         PR bootstrap/16865
5873         * loop-iv.c (simplify_using_assignment): Initialize lhs.
5874
5875 2004-08-03  Paul Brook  <paul@codesourcery.com>
5876
5877         * gcc/doc/install.texi: Document MPFR requirement.
5878
5879 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
5880
5881         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
5882         and mmap() explicitly instead of relying on preset autoconf cache
5883         variables.
5884         * configure: Regenerate.
5885
5886 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
5887
5888         PR target/16570
5889         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
5890         to tmake_file.
5891         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
5892         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
5893         to tmake_file.
5894
5895         * config/i386/t-gmm_malloc: New file.
5896         * config/i386/t-pmm_malloc: Likewise.
5897
5898         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
5899
5900 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
5901             Tanguy Fautrà <tfautre@pandora.be>
5902
5903         * config/i386/pmm_malloc.h: New file.
5904
5905 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
5906
5907         * config/i386/gmm_malloc.h: New file.
5908
5909 2004-08-03  Dale Johannesen  <dalej@apple.com>
5910
5911         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
5912         * c-common.c: Include opts.h.
5913         (c_common_get_alias_set): Fix check for a single input file.
5914         * toplev.c: Remove current_file_decl.
5915         * tree.h: Ditto.
5916
5917 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
5918
5919         * config.gcc (arm*-*-symbianelf*): New target.
5920         * config/arm/symbian.h: New file.
5921
5922         * gthr-gnat.c: Add visibility #pragmas.
5923         * gthr-gnat.h : Likewise.
5924         * gthr.h: Likewise.
5925         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
5926         (__ffsDI2): Likewise.
5927         (__clzSI2): Likewise.
5928         (__ctzSI2): Likewise.
5929         (__ctzDI2): Likewise.
5930         (__popcountSI2): Likewise.
5931         (__popcountDI2): Likewise.
5932         (__paritySI2): Likewise.
5933         (__parityDI2): Likewise.
5934         * libgcc2.h: Add visibility #pragmas.
5935         (__clzDI2): Add prototype.
5936         (__clzSI2): Likewise.
5937         (__ctzSI2): Likewise.
5938         (__ffsDI2): Likewise.
5939         (__ffsSI2): Likewise.
5940         (__ctzDI2): Likewise.
5941         (__popcountSI2): Likewise.
5942         (__popcountDI2): Likewise.
5943         (__paritySI2): Likewise.
5944         (__parityDI2): Likewise.
5945         * unwind-dw2-fde.h: Add visibility #pragmas.
5946         * unwind.h: Likewise.
5947
5948 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
5949             Dale Johannesen  <dalej@apple.com>
5950             Roger Sayle  <roger@eyesopen.com>
5951
5952         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
5953         constants more accurately.  Adjust costs for FMA instructions.
5954         Add cases for most logical and float operations.  Recurse into
5955         most operands.
5956
5957 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
5958
5959         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
5960
5961 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
5962
5963         * ra-build.c (conflicts_between_webs): For webs that cross a call add
5964         conflicts to regs_invalidated_by_call.
5965
5966 2004-08-03  Paul Brook  <paul@codesourcery.com>
5967
5968         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
5969
5970 2004-08-03  Jan Hubicka  <jh@suse.cz>
5971
5972         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
5973         ARRAY_REF argument.
5974
5975 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
5976
5977         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
5978         arm968es, arm10e, arm1020e, arm1022e.
5979         * invoke.texi: Update list of ARM cores.
5980         * arm-tune.md: Regenerate.
5981
5982 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
5983
5984         * arm/gentune.sh: New file.
5985         * arm/t-arm: New file.
5986         * arm/arm-tune.md: New file (autogenerated).
5987         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
5988         * arm.md (attribute tune): Delete.  Include arm-tune.md.
5989
5990 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
5991
5992         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
5993         penultimate parameter.  All callers adjusted.
5994         (struct prefix_list): Remove used_flag_ptr.
5995         (find_a_file): Do not set *pl->used_flag_ptr.
5996         (warn_B, warn_std_ptr): Remove.
5997
5998 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
5999             Mostafa Hagog <mustafa@il.ibm.com>
6000
6001         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
6002
6003 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
6004
6005         * dwarf2out.c (output_call_frame_info): Don't change data format
6006         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
6007         label.  Use 'true' not '1'.
6008         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
6009         required.
6010
6011 2004-08-02  Gabriel Dos Reis  <gdr@cs.tamu.edu>
6012
6013         * gdbinit.in: Reflect previous changes to rtunion_def.
6014
6015 2004-08-02  Roger Sayle  <roger@eyesopen.com>
6016
6017         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
6018         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
6019
6020 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6021
6022         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
6023         vec_p_reserve.
6024         * langhooks.h (lang_hooks::builtin_function): Rename parameter
6025         from "class" to "bt_class".
6026
6027 2004-08-02  Paul Brook  <paul@codesourcery.com>
6028
6029         PR rtl-optimization/15068
6030         * flow.c (init_propagate_block_info): Check condition is reversible.
6031
6032 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6033
6034         * gengtype.h (options::info): Change type to const char *.
6035         (enum gc_used_enum): Move out of struct type scope.
6036         * gengtype.c (create_option): Convert initializer for option::info to
6037         appropiate type.
6038         (adjust_field_type, walk_type, write_func_for_structure,
6039         write_root, write_roots): Remove pointless cast.
6040
6041 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
6042
6043         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
6044
6045 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6046
6047         * rtl.h (union rtunion_def): Have all members  start with the
6048         prefix "rt_".
6049         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
6050         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
6051         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
6052         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
6053         access.
6054         * gengtype.c (adjust_field_rtx_def): Likewise.
6055         * rtlanal.c (loc_mentioned_in_p): Likewise.
6056
6057 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
6058
6059         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
6060         Replace uses of mips/elf64.h with mips/elf.h
6061         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
6062         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
6063         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
6064         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
6065         (HANDLE_SYSV_PRAGMA): Delete.
6066         (ASM_OUTPUT_DEF): Fix formatting.
6067         * config/mips/elf64.h: Delete.
6068
6069 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
6070
6071         * config/ia64/ia64.c (got_symbolic_operand): Do require a
6072         symbol+offset operand to have its offset be zero mod 0x3fff
6073         when GOT entries are in use.  Clarify logic in SYMBOL_REF
6074         case.  Clarify comments.
6075         (ia64_expand_load_address): Split a symbol+offset load when
6076         the offset is nonzero mod 0x3fff, not 0x1fff.
6077
6078 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
6079
6080         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
6081         if trying to *store* to a non-offsettable address.
6082         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
6083         a nonoffsettable address.
6084         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
6085         Clean up.
6086         (movti_string): Don't move GPRs to a nonoffsettable address.
6087         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
6088
6089 2004-08-02  Ben Elliston  <bje@au.ibm.com>
6090
6091         PR target/16155
6092         * config/rs6000/altivec.h: Replace typeof with __typeof__.
6093
6094 2004-08-01  Richard Henderson  <rth@redhat.com>
6095
6096         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
6097         variable sized types.
6098
6099 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
6100
6101         * doc/invoke.texi: In the MIPS options section, remove the passage
6102         saying that -mexplicit-relocs is usually disabled for -mabicalls
6103         -fno-unit-at-a-time.
6104         * config/mips/mips.c (override_options): Remove the code that enforced
6105         this rule.
6106
6107 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
6108
6109         * config/mips/mips.md (cprestore): Provide two alternatives, one for
6110         an in-range offset and one for an out-of-range offset.  Wrap the latter
6111         in .set macro/.set nomacro if it's inside a .set nomacro block.
6112
6113 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
6114
6115         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
6116         (mips_restore_gp): Declare.
6117         * config/mips/mips.c (mips_add_offset): Add a scratch register
6118         argument.  Reimplement in rtl only, reusing MIPS16 logic from
6119         mips_output_mi_thunk.
6120         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
6121         to mips_add_offset.
6122         (mips_gp_save_slot): Delete.
6123         (mips_restore_gp): New function.
6124         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
6125         * config/mips/mips.md (exception_receiver): Turn into a
6126         define_insn_and_split.  Use mips_restore_gp to do the split.
6127         (call_internal, call_value_internal, call_value_multiple_internal): Use
6128         mips_restore_gp to restore $gp.
6129
6130 2004-07-31  Andrew Pinski  <apinski@apple.com>
6131
6132         PR other/16842
6133         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
6134
6135 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
6136
6137         * c-decl.c (diagnose_mismatched_decls): Give error for external
6138         redeclaration of identifier declared with no linkage, not just
6139         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
6140         error for redeclaration with no linkage.
6141
6142 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
6143             Fariborz Jahanian <fjahanian@apple.com>
6144
6145         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
6146         non-offsettable addresses even for DImode.
6147         (rs6000_split_multireg_move): Cope with non-offsettable addresses
6148         being moved into multiple GPRs.
6149
6150         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
6151         to 64.
6152         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
6153         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
6154         to 128.
6155         * config/rs6000/darwin-ldouble.c (isless): New macro.
6156         (inf): New macro.
6157         (nonfinite): New macro.
6158         (FPKINF): Delete.
6159         (_xlqadd): Completely rewrite.
6160         (_xlqmul): Correct overflow handling.
6161         (_xlqdiv): Correct overflow handling.
6162         * config/rs6000/darwin-ldouble-format: New file.
6163
6164 2004-07-30  Roger Sayle  <roger@eyesopen.com>
6165             Richard Henderson  <rth@redhat.com>
6166
6167         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
6168         9 into the equivalent lea instruction.
6169
6170 2004-07-30  Richard Henderson  <rth@redhat.com>
6171
6172         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
6173         with DECL_INITIAL if fb_lvalue.
6174         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
6175         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
6176         with <Cxxx>.
6177         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
6178
6179 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
6180
6181         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
6182         pointer escapes through a function call, assume that the
6183         callee will dereference it.
6184         (add_pointed_to_var): Assume that VALUE is always an
6185         ADDR_EXPR.
6186         (collect_points_to_info_r): Only call add_pointed_to_var if
6187         the value is an ADDR_EXPR.
6188
6189 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
6190
6191         * tree-ssa-alias.c (create_alias_map_for): Do not get the
6192         alias set of the inner type of ARRAY_TYPEs.
6193
6194 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
6195
6196         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
6197         setting a non-register to UNDEFINED right before the call to
6198         set_lattice_value.
6199
6200 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
6201
6202         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
6203
6204 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
6205
6206         * tree-ssa.c (verify_flow_sensitive_alias_info): When
6207         comparing points-to sets of different pointers, make sure the
6208         second pointer is actually referenced in the code.
6209
6210 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
6211
6212         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
6213         (got_symbolic_operand): Remove unreachable code.
6214         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
6215         setjmp_operand; add entry for tls_symbolic_operand.
6216         * config/ia64/ia64-protos.h: Remove all prototypes of
6217         predicate functions.
6218
6219 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
6220
6221         * c-common.h (lang_post_pch_load): New variable.
6222         * c-pch.c (lang_post_pch_load): Define it.
6223         (c_common_read_pch): Use it.
6224         * cgraphunit.c (record_call_1): Give the front end a chance to
6225         record additional needed entities when a variable is marked as
6226         needed.
6227         * tlink.c (recompile_files): Robustify.
6228         (scan_linker_output): If a symbol is assigned to a file,
6229         but after recompilation is not present there, issue an error
6230         message.
6231
6232 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6233
6234         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
6235         Take orig_loop argument and pass it to set_level.
6236         (schedule_sm): Pass the correct orig_loop to force_move_till.
6237
6238 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6239
6240         * cfgloop.c (update_latch_info): Update dominator of the new block.
6241         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
6242         info.
6243         * dominance.c (verify_dominators): Check that the dominance tree is
6244         connected.
6245         (recount_dominator): Ignore unreachable blocks.
6246         (iterate_fix_dominators): Cleanup old dominance information before
6247         recomputing it.
6248
6249 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
6250
6251         * tree-ssa-operands.c (get_expr_operands): Revert changes
6252         to ADDR_EXPR processing introduced by:
6253             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6254             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
6255
6256 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
6257
6258         * doc/implement-c.texi: Add C90 subclause references.  Point to
6259         preprocessor documentation instead of duplicating it.  Add points
6260         only present in C90.  Fill in documentation for all points.
6261
6262 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6263
6264         * pa.c (output_movb): Correct typo.
6265
6266 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
6267
6268         * ra.h (single_reg_in_regclass): Declare.
6269         * ra.c (single_reg_in_regclass): Define.
6270         (first_hard_reg): New.
6271         (init_ra): Initialize single_reg_in_regclass.
6272         * ra-colorize.c (ok_class): New.
6273         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
6274
6275 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
6276
6277         * gcov-io.h: Allow zero tag as EOF indicator.
6278         (gcov_is_eof): Remove.
6279         (gcov_truncate): Remove.
6280         * gcov-io.c (gcov_seek): Always SEEK_SET.
6281         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
6282         EOF tag.
6283         * coverage.c (read_counts_file): Don't use gcov_is_eof.
6284         * gcov-dump.c (dump_file): Likewise.
6285         * gcov.c (read_graph_file, read_count_file): Likewise.
6286
6287         * c-decl.c (complete_array_type): Don't gratuitously copy
6288         maxindex.  Check it always has a type.
6289
6290 2004-07-29  Steven Bosscher  <stevenb@suse.de>
6291
6292         * rtl.c (currently_expanding_to_rtl): New.
6293         * rtl.h (currently_expanding_to_rtl): Export it.
6294         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
6295
6296         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
6297         inliner hack.
6298         * config/sh/sh.c: Replace rtx_equal_function_value_matters
6299         with currently_expanding_to_rtl.
6300         * config/sh/sh.md: Likewise.
6301         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
6302
6303 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
6304
6305         Introduce sh2a support.
6306         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
6307         * config.gcc: Build multilibs for sh2a and sh2a-single by
6308         default.
6309         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
6310         default.  Split their tests out of the corresponding SH4
6311         multilibs.
6312         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
6313         multilibs for SH2a.
6314         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
6315         * config.gcc: Handle sh2a multilibs and cpu selection.
6316         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
6317         * config/sh/t-mlib-sh2a: New.
6318         * config/sh/t-mlib-sh2a-nofpu: New.
6319         * config/sh/t-mlib-sh2a-single: New.
6320         * config/sh/t-mlib-sh2a-single-only: New.
6321         2004-07-09  Nick Clifton  <nickc@redhat.com>
6322         Issue 43400
6323         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
6324         -ml and -m2a are used together.
6325         2004-03-23  DJ Delorie  <dj@redhat.com>
6326         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
6327         when we have a double-sized FPU.
6328         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
6329         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
6330         is set.
6331         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
6332         -msh2a-single and -msh2a-single-only
6333         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
6334         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
6335         is set.
6336         2004-02-20  DJ Delorie  <dj@delorie.com>
6337         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
6338         2004-02-20  Fred Fish <fnf@redhat.com>,
6339         Corinna Vinschen <vinschen@redhat.com>
6340         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
6341         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
6342         2004-02-18  DJ Delorie  <dj@redhat.com>
6343         * config/sh/sh.c (broken_move): Add support for movi20.
6344         * config/sh/sh.h: Likewise.
6345         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
6346         * config/sh/sh.md (udivsi3_sh2a): New.
6347         (udivsi3): Call it.
6348         (divsi3_sh2a): New.
6349         (divsi3): Call it.
6350         (mul_r): New.
6351         (ashlsi3_sh2a): New.
6352         (ashrsi3_sh2a): New.
6353         (lshrsi3_sh2a): New.
6354         (movsi_i): Disable for sh2a.
6355         (movsi_ie): Add movi20.
6356         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
6357         sh2a, for -m2a-nofpu mode.
6358         2004-02-13  DJ Delorie  <dj@redhat.com>
6359         * config/sh/lib1funcs.asm: Handle double vs single better.
6360         * config/sh/sh.h: Likewise.
6361         2004-02-09  DJ Delorie  <dj@redhat.com>
6362         * config/sh/crt1.asm: Add support for sh2a.
6363         * config/sh/elf.h: Likewise.
6364         * config/sh/lib1funcs.asm: Likewise.
6365         * config/sh/sh.c: Likewise.
6366         * config/sh/sh.md: Likewise.
6367         * config/sh/sh.h: Likewise.
6368         * config/sh/t-sh: Likewise.
6369
6370 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
6371
6372         * config/frv/frv.md (movqi_internal, movhi_internal,
6373         movsi_internal): Add backup alternatives for memory inputs.
6374
6375 2004-07-28  Matt Austern  <austern@apple.com>
6376
6377         * config/darwin.c (darwin_one_byte_bool): New global variable.
6378         * config/darwin.h (darwin_one_byte_bool): Declare.
6379         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
6380         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
6381         value of darwin_one_byte_bool.
6382         * doc/invoke.texi: Document -mone-byte-bool flag.
6383
6384 2004-07-28  Eric Christopher  <echristo@redhat.com>
6385
6386         * c-common.c (c_common_unsafe_for_reeval): Delete.
6387         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
6388         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
6389         * calls.c (fix_unsafe_tree): Delete.
6390         (expand_call): Delete code which used above.
6391         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
6392         * expr.c (expand_expr_real_1): Ditto.
6393         * fold-const.c (non_lvalue): Ditto.
6394         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
6395         (lhd_unsafe_for_reeval): Ditto.
6396         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
6397         * langhooks.h (unsafe_for_reeval): Ditto.
6398         (unsave_expr_now): Adjust comment.
6399         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
6400         (estimate_num_insns_1): Ditto.
6401         * tree-pretty-print.c (dump_generic_node): Ditto.
6402         * tree.c (expr_align): Ditto.
6403         (unsave_expr): Delete.
6404         (unsafe_for_reeval): Ditto.
6405         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
6406         * tree.def (UNSAVE_EXPR): Delete.
6407         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
6408
6409 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
6410
6411         * tree.h (enum tls_model): Move ...
6412         * coretypes.h: ... here.
6413
6414 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
6415
6416         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
6417
6418 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
6419
6420         * cse.c (validate_canon_reg): New function, split out from...
6421         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
6422
6423 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
6424
6425         * tree-ssa-alias.c (maybe_create_global_var): Don't just
6426         return if .GLOBAL_VAR has been created.
6427
6428 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
6429
6430         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
6431         every variable that may have aliases, not just tags.
6432
6433 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
6434
6435         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
6436         move_from_CR_eq_bit.
6437         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
6438
6439
6440         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
6441         e500_flip_eq_bit.
6442
6443         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
6444         output_e500_flip_eq_bit.
6445
6446         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
6447         output_e500_flip_eq_bit.
6448         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
6449         output_e500_flip_eq_bit.
6450         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
6451         (print_operand): case D.  Get to EQ bit.
6452
6453 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
6454
6455         * gcov.c (function_summary): Add missing \n.
6456
6457 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
6458
6459         Introduce sh4a support.
6460         * config.gcc: Handle sh4a multilibs and cpu selection.
6461         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
6462         * config/sh/t-mlib-sh4a: New.
6463         * config/sh/t-mlib-sh4al: New.
6464         * config/sh/t-mlib-sh4a-nofpu: New.
6465         * config/sh/t-mlib-sh4a-single: New.
6466         * config/sh/t-mlib-sh4a-single-only: New.
6467         2004-02-20  DJ Delorie  <dj@redhat.com>
6468         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
6469         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
6470         2003-08-22  Eric Christopher  <echristo@redhat.com>
6471         * config/sh/sh4a.md: Update for chip errata.
6472         2003-08-07  Eric Christopher  <echristo@redhat.com>
6473         * config/sh/sh4a.md: New file. sh4a processor description.
6474         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
6475         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
6476         of -m4a-nofpu.
6477         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
6478         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
6479         * doc/invoke.texi (SH Options): Document -m4al.
6480         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
6481         * config/sh/sh.c (expand_block_move): Remove commented-out code
6482         checked in by mistake.
6483         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
6484         single elements from SFmode vectors.
6485         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
6486         register.
6487         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
6488         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
6489         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
6490         sh_fsca_int2sf): Remove variable declarations.
6491         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
6492         sh_fsca_int2sf): New functions.
6493         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
6494         sh_fsca_int2sf_rtx): New static variables.
6495         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
6496         sh_fsca_int2sf): Declare.
6497         * config/sh/sh.md: Adjust.
6498         * doc/invoke.texi (SH Options): Document new options.
6499         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
6500         compatibility from SH4 code.
6501         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
6502         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
6503         early.
6504         (memory_movsrc_operand): Renamed to...
6505         (unaligned_load_operand): ... this.  Simplified.
6506         * config/sh/sh.h (PREDICATE_CODES): Adjust.
6507         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
6508         input operand to SImode, and adjust the others.  Introduce
6509         post-increment by peephole.
6510         * config/sh/sh.c (expand_block_move): Give the target address the
6511         same mode as the temp reg.
6512         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
6513         copying.
6514         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
6515         Introduce support for SH4a.
6516         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
6517         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
6518         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
6519         sh_fsca_int2sf): New.
6520         (sh_init_builtins): Initialize them.
6521         (print_operand): Support `d'.
6522         (expand_block_move): Use movua if src is misaligned.
6523         (memory_movsrc_operand): New.
6524         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
6525         and one of the SH4 macros.
6526         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
6527         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
6528         SELECT_SH4A_SINGLE): New.
6529         (TARGET_NONE): Add SH4A_BIT.
6530         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
6531         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
6532         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
6533         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
6534         (enum processor_type): Added PROCESSOR_SH4A.
6535         (PREDICATE_CODES): Add memory_movsrc_operand.
6536         * config/sh/sh.md: Removed unused variables.
6537         (attr cpu): Add sh4a.
6538         (attr type): Add movua, fsrra and fsca.
6539         (prefetch): New, for SH4.
6540         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
6541         (toggle_sz): Set type to fp.
6542         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
6543         (movua, extv, extzv): New.
6544         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
6545         and 4a-single-only.
6546
6547 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
6548
6549         * tree-optimize.c (init_tree_optimization_passes): Schedule
6550         pass_may_alias right after the program is renamed into SSA.
6551         * tree-pass.h (PROP_alias): Define.
6552         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
6553         * tree-sra.c (pass_sra): Likewise.
6554         * tree-ssa-ccp.c (pass_ccp): Likewise.
6555         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
6556         * tree-ssa-dce.c (pass_dce): Likewise.
6557         * tree-ssa-dom.c (pass_dominator): Likewise.
6558         * tree-ssa-dse.c (pass_dse): Likewise.
6559         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
6560         * tree-ssa-loop-ch.c (pass_ch): Likewise.
6561         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
6562         * tree-ssa-pre.c (pass_pre): Likewise.
6563         * tree-tailcall.c (pass_tail_recursion): Likewise.
6564         * tree-ssa.c (pass_redundant_phi): Likewise.
6565         * tree-ssa-alias.c (aliases_computed_p): Remove.
6566         Update all users.
6567         (init_alias_info): Do not mark all type tags for renaming
6568         unconditionally.
6569         Clear may_aliases from every symbol.
6570         (setup_pointers_and_addressables): If a pointer has not been
6571         dereferenced and it had a type tag, clear it and mark the old
6572         tag for renaming.
6573
6574 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
6575
6576         PR tree-optimization/16705
6577         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
6578         .GLOBAL_VAR.
6579
6580 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6581
6582         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
6583         check.
6584
6585         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
6586         don't make another one.
6587
6588         PR optimization/15077
6589         * function.h (struct function): Add field saved_static_chain_decl.
6590         Fix comment for static_chain_decl.
6591         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
6592         * tree-inline.h (save_body): Add new arg.
6593         * tree-optimize.c (tree_rest_of_compilation): Handle saving
6594         static_chain_decl.
6595
6596 2004-07-27  Richard Henderson  <rth@redhat.com>
6597
6598         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
6599         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
6600         is_gimple_addressable.
6601         * tree-gimple.c (is_gimple_addressable): Rename from
6602         is_gimple_addr_expr_arg; accept INDIRECT_REF.
6603         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
6604         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
6605         rename to is_gimple_addressable.
6606
6607 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
6608
6609         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
6610
6611 2004-07-27  Richard Henderson  <rth@redhat.com>
6612
6613         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
6614         before rounding.
6615
6616 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
6617
6618         * libgcc2.c: Change all conditionals testing
6619         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
6620         * libgcc2.h: Likewise.
6621         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
6622         TYPE_PRECISION of float80_type to 80.
6623         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
6624         of fpreg_type and float80_type to 80.
6625         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
6626         * config/m68k/netbsd-elf.h:
6627         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
6628         to evaluate to 80 whenever they would formerly have evaluated to 96.
6629         * config/i386/sco5.h: Remove unnecessary redefinition of
6630         LONG_DOUBLE_TYPE_SIZE.
6631         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
6632         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
6633         XFmode, with a bitsize of 80.  Update commentary.
6634         * config/ia64/ia64-modes.def: Likewise.
6635         * config/m68k/m68k-modes.def: Likewise.
6636
6637 2004-07-27  Steven Bosscher  <stevenb@suse.de>
6638
6639         * cfgexpand.c (tree_expand_cfg): Fix comment.
6640
6641         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
6642         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
6643         Remove.
6644         (prepare_function_start): Don't set rtx_equal_function_value_matters.
6645         * integrate.c (copy_rtx_and_substitute): Don't test for it.
6646         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
6647         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
6648         here again.  Update leading comment.
6649         * rtl.c (rtx_equal_function_value_matters): Remove.
6650         (rtx_equal_p): Don't test for it.
6651         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
6652         Likewise.
6653
6654         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
6655         * rtl.c (note_insn_name): Likewise.
6656         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
6657         * final.c (final_scan_insn): Likewise.
6658
6659         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
6660         * passes.c (rest_of_handle_eh): Do it here.
6661
6662         * stmt.c (struct nesting): Remove struct nesting block member.
6663         (struct stmt_status): Remove x_block_start_count field.
6664         (current_block_start_count): Remove.
6665
6666 2004-07-27  Brian Booth  <bbooth@redhat.com>
6667
6668         * tree-optimize.c (register_one_dump_file): Update condition that uses
6669         static_pass_number.
6670         (dup_pass_1): Replace with...
6671         (next_pass_1): This.
6672         (NEXT_PASS): Call next_pass_1.
6673         (DUP_PASS): Remove.
6674         (init_tree_optimization_passes): Remove uses of DUP_PASS.
6675         (execute_one_pass): Update condition that uses
6676         static_pass_number.
6677         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
6678         integer.
6679
6680 2004-07-27  Nick Clifton  <nickc@redhat.com>
6681
6682         * config/m32r/m32r.c: Include integrate.h in order to get the
6683         prototype for get_hard_reg_initial_val().
6684
6685         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
6686         and tidy up indentation.
6687         (final_presence_set): Use absence_set instead, so that if there is
6688         nothing in the "o" pipe the "s" pipe can be scheduled.
6689
6690 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
6691
6692         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
6693         don't have PT_VARS nor PT_MALLOC set.
6694         Clear name tag from pointers that have not been dereferenced.
6695         (set_pt_anything, set_pt_malloc): Forward declare.
6696         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
6697         not type compatibility when determining if a pointer can be
6698         copy propagated.
6699
6700 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
6701
6702         * expr.h (canonicalize_condition, get_condition): Add an int argument.
6703         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
6704         it to check whether the condition is still valid at the jump insn.
6705         * ifcvt.c (noce_get_condition): Likewise.
6706         (noce_get_alt_condition): Update call to canonicalize_condition.
6707         * loop-iv.c (simplify_using_initial_values): Update call to
6708         get_condition.  Remove FIXME.
6709         (check_simple_exit): Update call to get_condition.
6710         * loop-unswitch.c (may_unswitch_on): Likewise.
6711         * loop.c (check_dbra_loop): Likewise.
6712         (canonicalize_condition, get_condition): Add an argument to say whether
6713         the condition must still be valid at INSN.
6714         (get_condition_for_loop): Update call to get_condition.  Require that
6715         the condition be valid at INSN.
6716         * predict.c (estimate_probability): Update call to get_condition.
6717         Remove unused earliest parameter.
6718         (expected_value_to_br_prob): Update call to canonicalize_condition.
6719
6720 2004-07-26  Eric Christopher  <echristo@redhat.com>
6721
6722         * tree-dfa.c (add_referenced_var): Register initializers of global
6723         variables.
6724
6725 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
6726
6727         * config/i386/i386.c (function_arg): Always treat 8-
6728         and 16-byte wide vectors the same, even if MMX/SSE
6729         are disabled.
6730         (contains_128bit_aligned_vector_p): Add comment.
6731
6732 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
6733
6734         * ra.h (enum node_type): Rename to:
6735         (enum ra_node_type).
6736         * ra-colorize.c: Likewise.
6737
6738 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
6739
6740         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
6741         after simplifying the jump.
6742
6743 2004-06-26  Richard Henderson  <rth@redhat.com>
6744
6745         * calls.c (combine_pending_stack_adjustment_and_call): Make
6746         preferred_unit_stack_boundary argument unsigned.  Make
6747         unadjusted_alignment unsigned.
6748         (expand_call): Make preferred_stack_boundary and
6749         preferred_unit_stack_boundary variables unsigned.
6750         * function.c (assign_stack_local_1): Make alignment unsigned.
6751         * function.h (struct function): Make stack_alignment_needed,
6752         preferred_stack_boundary unsigned.
6753         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
6754         (ix86_compute_frame_layout): Make stack_alignment_needed,
6755         preferred_alignment variables unsigned.
6756         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
6757
6758 2004-07-26  Tom Tromey  <tromey@redhat.com>
6759
6760         * tree.h: Fix typo in comment.
6761
6762 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
6763
6764         PR bootstrap/12804
6765         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
6766         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
6767         (ggc_free): Remove incorrect freeing.
6768         (sweep_pages): Advance PP for large pages.  Fix indentation.
6769
6770 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
6771
6772         PR rtl-optimization/16643
6773         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
6774         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
6775         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
6776         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
6777         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
6778         * function.c (thread_prologue_and_epilogue_insns): Likewise.
6779         * rtl.h (tracer): Add a flags parameter.
6780         * tracer.c (tracer): Pass it to cfg_layout_initialise.
6781         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
6782         (rest_of_handle_reorder_blocks): Update calls to tracer and
6783         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
6784         (rest_of_handle_tracer): Pass 0 to tracer.
6785         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
6786
6787 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
6788
6789         PR target/16239
6790         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
6791         f->f.
6792
6793 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
6794
6795         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
6796         (BINFO_BASE_ACCESS): Adjust.
6797         (BINFO_BASE_ACCESS_APPEND): New.
6798         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
6799         * dbxout.c (dbxout_type): Adjust binfo access accessing.
6800         * dwarf2out.c (gen_member_die): Likewise.
6801         * tree-dump.c (deque_and_dump): Likewise.
6802
6803 2004-07-26  Falk Hueffner  <falk@debian.org>
6804
6805         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
6806         costs.
6807
6808 2004-07-25  Roger Sayle  <roger@eyesopen.com>
6809
6810         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
6811         value off of the stack if TARGET_USE_FFREEP.
6812
6813 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
6814
6815         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
6816         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
6817         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
6818         check on invocation of XRESIZEVEC ().
6819
6820 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
6821
6822         * c-common.c (disable_builtin_function): Rename variable n to
6823         new_disabled_builtin.
6824         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
6825         Rename local variable old to old_decl.
6826         * gensupport.c (shift_output_template): Rename parameter old to src.
6827         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
6828         old_rtx and newx to new_rtx.
6829
6830 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
6831
6832         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
6833         of c-pragma.h.
6834         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
6835         enum cpp_ttype.
6836         * c-lex.c: Likewise.
6837
6838 2004-07-25  Roger Sayle  <roger@eyesopen.com>
6839
6840         * fold-const.c (constant_boolean_node): Make extern.
6841         (make_range): Wrap long lines.
6842         (fold_cond_expr_with_comparison): Remove unnecessary call to
6843         pedantic_non_lvalue.  Add missing calls to fold_convert.
6844         (fold_truthop): Add missing calls to fold_convert.
6845         (fold): Likewise.
6846         * tree.h (constant_boolean_node): Add prototype here.
6847         * builtins.c (expand_builtin_strncmp): Add missing calls to
6848         fold_convert.
6849         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
6850         Call fold_convert and constant_boolean_node to correct types.
6851         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
6852         missing call to fold_convert to correct types.
6853
6854 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
6855             Brian Ryner  <bryner@brianryner.com>
6856
6857         PR c++/9283
6858         PR c++/15000
6859         * c-common.c (c_common_attribute_table): Allow
6860         handle_visibility_attribute to be called for types.
6861         (handle_visibility_attribute) When given a type, set the visibility
6862         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
6863         so that we can check later whether the attribute was present. Added
6864         warning if attribute applied to non class type.
6865         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
6866         decls and checking that they are consistent.
6867         * common.opt: Added -fvisibility.
6868         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
6869         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
6870         * flags.h, tree.h: Added assorted support defines for overall patch
6871         * opts.c: Added parsing support for -fvisibility.
6872         * tree.c (build_decl): Set visibility for all decls to be whatever
6873         is in force at that time.
6874         * varasm.c (default_binds_local_p_1): Reworked logic determining
6875         when to make a symbol locally bound.
6876         * doc/invoke.texi: Added documentation for -fvisibility and
6877         -fvisibility-inlines-hidden.
6878
6879 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6880
6881         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
6882         * c-common.c: Add missing casts from void * to other types.
6883         * c-decl.c: Likewise.
6884         * c-format.c: Likewise.
6885         * c-lex.c: Likewise.
6886         * c-pragma.c: Likewise.
6887         * c-typeck.c: Likewise.
6888         * defaults.h: Likewise.
6889         * genconstants.c: Likewise.
6890         * gengtype-lex.l: Likewise.
6891         * genmodes.c: Likewise.
6892         * read-rtl.c: Likewise.
6893         * rtl.c: Likewise.
6894
6895 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6896
6897         * bitmap.c: Use type-safe memory allocation macros from libiberty.
6898         * c-common.c: Likewise.
6899         * c-decl.c: Likewise.
6900         * c-lang.c: Likewise.
6901         * c-lex.c: Likewise.
6902         * c-opts.c: Likewise.
6903         * c-parse.in: Likewise.
6904         * c-typeck.c: Likewise.
6905         * genconditions.c: Likewise.
6906         * gengtype-lex.l: Likewise.
6907         * gengtype-yacc.y: Likewise.
6908         * gengtype.c: Likewise.
6909         * genmodes.c: Likewise.
6910         * gensupport.c: Likewise.
6911         * read-rtl.c: Likewise.
6912         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
6913         htab_find_slot().
6914
6915 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6916
6917         * c-decl.c (groktypename, groktypename_in_param_context): Rename
6918         variable typename to type_name.
6919         * c-lex.c (interpret_float): Likewise.
6920
6921 2004-07-25  Roger Sayle  <roger@eyesopen.com>
6922
6923         * convert.c (convert_to_real, convert_to_integer,
6924         convert_to_complex): Replace calls to build with calls to buildN.
6925         * coverage.c (tree_coverage_counter_ref): Likewise.
6926         * dojump.c (do_jump): Likewise.
6927         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
6928         * emit-rtl.c (component_ref_for_mem_expr,
6929         set_mem_attributes_minus_bitpos): Likewise.
6930         * explow.c (update_nonlocal_goto_save_area): Likewise.
6931         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
6932         expand_mult_add): Likewise.
6933         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
6934         store_constructor, get_inner_reference, expand_expr_real_1,
6935         try_casesi, try_tablejump): Likewise.
6936         * function.c (expand_function_start): Likewise.
6937         * stmt.c (emit_case_bit_tests, expand_end_case_type,
6938         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
6939         * stor-layout.c (place_union_field, layout_type): Likewise.
6940         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
6941         * varasm.c (copy_constant): Likewise.
6942
6943 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6944
6945         * c-common.c: Rename all identifiers named `new'.
6946         * c-decl.c: Likewise.
6947         * gensupport.c: Likewise.
6948         * simplify-rtx.c: Likewise.
6949         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
6950         with XNEW().
6951         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
6952         with XNEWVEC().
6953
6954 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
6955
6956         PR c/15360
6957         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
6958         declarations until after calling pushdecl.
6959         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
6960         "extern" and not on whether the declaration is initialized.
6961
6962 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
6963
6964         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
6965         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
6966         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
6967         "cpplib.h", "c-pragma.h", "c-common.h".
6968         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
6969         (solaris_register_pragmas): New functions.
6970         * config/sol2-protos.h: New file.
6971         * config/sol2.c: New file.
6972         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
6973         (REGISTER_TARGET_PRAGMAS): New macros.
6974         (solaris_pending_aligns, solaris_pending_inits)
6975         (solaris_pending_finis): New variables.
6976         * config/t-sol2 (sol2-c.o): Update dependencies.
6977         (sol2.o): New rule.
6978         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
6979         SUBTARGET_INSERT_ATTRIBUTES.
6980         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
6981         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
6982         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
6983         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
6984         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
6985         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
6986         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
6987         * config/sparc/sparc.c (sparc_attribute_table): New.
6988         (TARGET_INSERT_ATTRIBUTES): Define in terms of
6989         SUBTARGET_INSERT_ATTRIBUTES.
6990         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
6991         is defined.
6992         * doc/extend.texi (Solaris Pragmas): New section.
6993
6994 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6995
6996         * c-common.c: Rename all identifiers named `class' to `cl'.
6997         * c-common.h: Likewise.
6998         * c-parse.in: Likewise.
6999         * c-typeck.c: Likewise.
7000         * genmodes.c: Likewise.
7001         * real.c: Likewise.
7002         * real.h: Likewise.
7003         * recog.c: Likewise.
7004         * recog.h: Likewise.
7005         * regrename.c: Likewise.
7006         * tree.h: Likewise.
7007         * c-common.c (builtin_function_2): Change type of 5th parameter from
7008         int to enum built_in_function. Change type of 8th parameter from int
7009         to bool.
7010         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
7011         with GGC_CNEW().
7012         * c-typeck.c (convert_arguments): Change type of formal_prec from
7013         int to unsigned int.
7014         * genmodes.c (blank_mode): Make a few negative constants unsigned.
7015         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
7016         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
7017         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
7018         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
7019         iterator to for_all_modes () instead of an enum because enums can't
7020         be incremented in C++.
7021
7022
7023 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
7024
7025         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
7026         hard registers.
7027
7028 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7029
7030         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
7031         Handle ARRAY_RANGE_REF like ARRAY_REF.
7032
7033 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
7034
7035         * c-typeck.c (digest_init): Don't allow arrays of signed or
7036         unsigned variants of wchar_t to be initialized by wide string
7037         constants.  Do allow arrays of enumerated types compatible with
7038         wchar_t to be initialized by wide string constants.  Refine tests
7039         distinguishing wide and narrow strings and arrays.  Give specific
7040         error for arrays of other integer types initialized by string
7041         constants.
7042         (output_init_element, process_init_element): Check for
7043         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
7044         initializing with string constants.
7045
7046 2004-07-25  Richard Henderson  <rth@redhat.com>
7047
7048         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
7049         on the RESULT_DECL.
7050         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
7051         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
7052         DECL_IGNORED_P to new decl.
7053
7054 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
7055
7056         * config/ia64/ia64.c (general_xfmode_operand)
7057         (destination_xfmode_operand): Delete.
7058         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
7059         * config/ia64/ia64.md (*movxf_internal): Use general_operand
7060         and destination_operand.
7061
7062 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
7063
7064         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
7065         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
7066
7067 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
7068             Zack Weinberg  <zack@codesourcery.com
7069
7070         PR 16684
7071         * c-decl.c (diagnose_mismatched_decls): Don't issue a
7072         redundant-declaration warning the first time a builtin is
7073         declared explicitly.
7074
7075 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7076
7077         * tree.h (staticp): Change return type to bool.
7078
7079 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7080
7081         * c-common.c (c_staticp): Last episode of the staticp saga.
7082
7083 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7084
7085         * c-common.h (c_staticp): Change return type from int to bool.
7086         * tree.c (staticp): Likewise.
7087         * langhooks.h (staticp): Likewise.
7088
7089 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7090
7091         * langhooks-def.h (lhd_staticp): Change return type from int to
7092         bool in prototype to match definition.
7093
7094 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7095
7096         * system.h (bool, true, false): Don't redefine as preprocessor macros
7097         in C++.
7098
7099 2004-07-24  Roger Sayle  <roger@eyesopen.com>
7100
7101         * expmed.c (init_expmed): A signed modulus by a power of two is
7102         considered cheap if its less than or equal to four instructions.
7103
7104 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7105
7106         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
7107         GGC_CNEWVAR): New macros.
7108
7109 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7110
7111         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
7112         lists.
7113         * c-decl.c: Likewise.
7114         * c-format.c: Likewise.
7115         * c-lex.c: Likewise.
7116         * c-opts.c: Likewise.
7117         * c-pragma.c: Likewise.
7118         * c-typeck.c: Likewise.
7119         * gencheck.c: Likewise.
7120         * genconditions.c: Likewise.
7121         * genconfig.c: Likewise.
7122         * genflags.c: Likewise.
7123         * gengtype.c: Likewise.
7124         * gensupport.c: Likewise.
7125         * ggc-none.c: Likewise.
7126         * langhooks.c: Likewise.
7127         * statistics.h: Likewise.
7128         * stub-objc.c: Likewise.
7129         * java/decl.c: Likewise.
7130
7131 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
7132
7133         * config/m68k/m68k.c (output_scc_di): Fix coding style.
7134         (symbolic_operand): Fix prototype.
7135         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
7136         * config/m68k/m68k.md: Add constants for registers a0 and sp and
7137         use them, change from the "{...}" syntax to the simpler {...}
7138         syntax.
7139         (*cfv4_extendqisi2): Fix destination predicate.
7140         * config/m68k/m68k-protos.h: Remove various declarations also
7141         generated via PREDICATE_CODES.
7142
7143 2004-07-23  Mike Stump  <mrs@apple.com>
7144
7145         * c-typeck.c (convert_for_assignment): Tightened up pointer
7146         converstions that differ in signedness.
7147
7148 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
7149
7150         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
7151
7152 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7153
7154         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
7155         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
7156
7157         * gimplify.c (gimplify_compound_lval): Check for no handled
7158         operations, rather than checking for explicit list of nodes.
7159         (is_gimple_addr_expr_arg_or_indirect): New function.
7160         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
7161         redundant setting of TREE_INVARIANT.
7162         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
7163         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
7164
7165 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
7166
7167         PR tree-optimization/16688
7168         PR tree-optimization/16689
7169         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
7170         unnecessary initialization of 'tag'.
7171         (get_tmt_for): Check that the new type tag has the same alias
7172         set as the pointed-to type.
7173         (group_aliases): Only regular variables need to be removed
7174         from the alias set of a name tag.
7175         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
7176         propagation if the two types are not compatible.
7177         (merge_alias_info): Rename from replace_ssa_names_ann.
7178         Add more checking.
7179         (replace_exp_1): If both arguments are SSA_NAMEs, check that
7180         the propagation can be done.
7181         Only call merge_alias_info on pointers.
7182         (propagate_value): Likewise.
7183         * tree-ssa-copyrename.c: Include langhooks.h.
7184         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
7185         to do the merging.
7186         Do not coalesce variables with incompatible types.
7187         (rename_ssa_copies): Call replace_ssa_name_symbol.
7188         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
7189         the same type as the underlying _DECL.
7190         * tree-ssanames.c (replace_ssa_name_symbol): New function.
7191         * tree.h (replace_ssa_name_symbol): Declare.
7192
7193 2004-07-23  Richard Henderson  <rth@redhat.com>
7194
7195         PR c++/16277
7196         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
7197         unshare it properly.
7198         (gimplify_modify_expr_rhs): Push assignment from a conditional into
7199         the conditional for all non-register types.
7200
7201 2004-07-23  Richard Henderson  <rth@redhat.com>
7202
7203         * expr.c (expand_expr_real_1): Don't handle non-local variables.
7204         * expr.h (fix_lexical_addr): Remove.
7205         * function.c (NEED_SEPARATE_AP): Remove.
7206         (fix_lexical_addr): Remove.
7207         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
7208         not null decl_function_context.
7209         (create_alias_vars): Likewise.
7210         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
7211         (simple_goto_p): Likewise.
7212         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
7213         * tree-ssa-ccp.c (get_default_value): Likewise.
7214         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
7215         * tree.c (needs_to_live_in_memory): Likewise.
7216         * tree-flow-inline.h (may_be_aliased): Move...
7217         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
7218         when TREE_STATIC variables may be addressable.
7219
7220 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
7221
7222         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
7223
7224 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
7225
7226         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
7227         bitmap contents if GENERATOR_FILE is defined.
7228         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
7229         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
7230
7231 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
7232
7233         * c-decl.c (start_function): Form composite type of function types
7234         rather than copying type from previous prototype declaration.
7235
7236 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
7237
7238         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
7239         the const qualifier for the second argument in the C++ functions.
7240
7241         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
7242         specific pointer types.
7243
7244         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
7245         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
7246         for vector bool and/or vector pixel, add C++ and C missing support.
7247         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
7248         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
7249         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
7250         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
7251         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
7252         missing C++ and C support for vector bool and/or vector pixel.
7253         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
7254         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
7255         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
7256         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
7257         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
7258         C++ and C types used for vector bool and/or vector pixel.
7259         (vec_st, vec_stl): Add C++ support for vector pixel.
7260         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
7261         (vec_all_ne): Add C++ support for vector pixel.
7262
7263         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
7264         (vec_vmulesb): Add missing C++ function.
7265         (vec_perm): Fix type of third argument in C++ function.
7266         (vec_vsum4shs): Fix C++ function name.
7267         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
7268         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
7269         argument passed to the error handler in C macro.
7270         (vec_nmsub): Remove extra parens around argument names in C macro.
7271         (vec_packpx): Add missing parens in C macro.
7272
7273 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
7274
7275         * machmode.def: Remove vector modes.
7276         * config/alpha/alpha-modes.def: Add supported vector modes.
7277         * config/arm/arm-modes.def: Likewise.
7278         * config/frv/frv-modes.def: Likewise.
7279         * config/i386/i386-modes.def: Likewise.
7280         * config/rs6000/rs6000-modes.def: Likewise.
7281         * config/sh/sh-modes.def: Likewise.
7282
7283 2004-07-23  Matthias Klose  <doko@debian.org>
7284
7285         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
7286         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
7287         * config.h: Regenerate.
7288         * configure: Likewise.
7289
7290 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
7291
7292         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
7293         generated SYMBOL_REFs for labels.
7294         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
7295         Change prototype.
7296         (machopic_stub_name): Remove.
7297         (machopic_indirection_name): New function.
7298         (machopic_mcount_stub_name): Likewise.
7299         (machopic_classify_name): Remove.
7300         (machopic_function_base_sym): New function.
7301         (machpoic_classify_symbol): Likewise.
7302         (machopic_classify_ident): Remove.
7303         (machopic_define_ident): Likewise.
7304         (machopic_define_name): Likewise.
7305         (machopic_name_defined_p): Likewise.
7306         (machopic_ident_defined_p): Likewise.
7307         (darwin_strip_name_encoding): Likewise.
7308         (machopic_define_symbol): New function.
7309         * config/darwin.c (hashtab.h): Include.
7310         (machopic_defined_list): Remove.
7311         (machopic_classify_ident): Likewise.
7312         (machopic_classify_name): Likewise.
7313         (machopic_ident_defined_p): Likewise.
7314         (machopic_define_ident): Likewise.
7315         (machopic_define_name): Likewise.
7316         (machopic_symbol_defined_p): New function.
7317         (machopic_classify_symbol): Likewise.
7318         (machopic_data_defined_p): Use machopic_classify_symbol.
7319         (machopic_define_symbol): New function.
7320         (machopic_function_base_sym): New function.
7321         (machopic_non_lazy_pointers): Remove.
7322         (machopic_non_lazy_ptr_name): Likewise.
7323         (machopic_stubs): Likewise.
7324         (machopic_stub_name): Likewise.
7325         (NON_LAZY_POINTER_SUFFIX): New macro.
7326         (STUB_SUFFIX): Likewise.
7327         (machopic_indirection): New structure.
7328         (machopic_indirections): New variable.
7329         (machopic_indirection_hash): New function.
7330         (machopic_indirection_eq): Likewise.
7331         (machopic_indirection_name): Likewise.
7332         (machopic_mcount_stub_name): New function.
7333         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
7334         hash table.
7335         (machopic_indirect_data_reference): Rework to use new functions.
7336         (machopic_indirect_call_target): Likewise.
7337         (machopic_legitimize_pic_address): Likewise.
7338         (machopic_output_indirection): New function.
7339         (machopic_finish): Use it.
7340         (machopic_operand_p): Rework to use new functions.
7341         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
7342         (darwin_strip_name_encoding): Remove.
7343         (update_non_lazy_ptrs): Remove.
7344         (update_stubs): Likewise.
7345         (darwin_non_lazy_pcrel): Use new functions.
7346         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
7347         (ASM_OUTPUT_LABELREF): Likewise.
7348         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
7349         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
7350         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
7351         (TARGET_STRIP_NAME_ENCODING): Do not use
7352         darwin_strip_name_encoding.
7353         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
7354         darwin_strip_name_encoding.
7355         * config/i386/darwin.h (FUNCTION_PROFILER): Use
7356         machopic_mcount_stub_name.
7357         * config/i386/i386.c (x86_output_mi_thunk): Use
7358         machopic_indirection_name, not machopic_stub_name.
7359         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
7360         machopic_function_base_sym.
7361         (print_operand): Use machopic_classify_symbol.
7362         (rs6000_emit_prologue): Use machopic_function_base_sym.
7363         (output_profile_hook): Do not use machopic_stub_name.
7364         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
7365
7366 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7367
7368         PR c/7284
7369         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
7370         as multiplication.
7371
7372 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7373
7374         * doc/implement-c.texi: New file.
7375         * doc/extend.texi (C Implementation): Move to there.
7376         * doc/gcc.texi: Include implement-c.texi.
7377         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
7378
7379 2004-07-22  Jason Merrill  <jason@redhat.com>
7380
7381         * integrate.c (copy_decl_for_inlining): Remove invisible reference
7382         handling.
7383         * tree-inline.c (setup_one_parameter): Likewise.
7384
7385 2004-07-22  Brian Booth  <bbooth@redhat.com>
7386
7387         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
7388         (substitute_and_fold): Propigate into VUSE operands when possible.
7389         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
7390         (cp_lattice_meet): Handle merging of latticevalues when
7391         UNKNOWN_VAL is present.
7392         (visit_stmt): Visit assignments with V_MUST_DEFs.
7393         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
7394         (ccp_fold): Deal with RHS' that are constant and virtual.
7395         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
7396         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
7397         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
7398         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
7399         computing immediate uses.
7400         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
7401         transition.
7402         (replace_vuse_in): New function.
7403         (likely_value): Add check of vuse operands.
7404         (get_default_value): Set the default value of virtually defined
7405         variables to UKNOWN_VAL instead of VARYING.
7406
7407 2004-07-22  Richard Henderson  <rth@redhat.com>
7408
7409         * expr.c (emit_push_insn): Don't use set_mem_attributes.
7410
7411 2004-07-22  Richard Henderson  <rth@redhat.com>
7412
7413         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
7414         variables due to conditional compilation.
7415
7416 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
7417
7418         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
7419         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
7420         Release SSA names that have been re-renamed.
7421         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
7422         variable.
7423         * tree-ssa-alias.c (init_alias_info): If aliases have been
7424         computed before, clear existing alias information.
7425         (create_name_tags): Do no fixup PT_ANYTHING pointers.
7426         If the new name tag for a pointer is different than the one it
7427         had before, mark the old tag for renaming.
7428         (replace_may_alias): New function.
7429         (group_aliases): Call it.
7430         (setup_pointers_and_addressables): Always call get_tmt_for.
7431         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
7432         once.
7433         (set_pt_anything): New local function.
7434         (set_pt_malloc): New local function.
7435         (merge_pointed_to_info): Don't merge pointed-to variables from
7436         the original pointer if the destination is pointing to an
7437         unknown location.
7438         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
7439         (add_pointed_to_var): Do not add a variable to the points-to
7440         set if the pointer is already pointing to anywhere.
7441         (collect_points_to_info_r): If the defining statement is a PHI
7442         node, only merge pointed-to information if the argument has
7443         already been visited.
7444         (get_tmt_for): Only create a new tag if the pointer didn't
7445         have one already.
7446         (dump_alias_info): Emit more information.
7447         (dump_points_to_info_for): Likewise.
7448         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
7449         try to get the annotation of an SSA_NAME.
7450         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
7451         alias sets when checking is enabled.
7452         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
7453         (eliminate): Mark basic blocks that will need
7454         EH information cleaned up.
7455         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
7456         predecessor.
7457         Initialize need_eh_cleanup.
7458         (fini_pre): Call tree_purge_all_dead_eh_edges and
7459         cleanup_tree_cfg if needed.
7460         Free need_eh_cleanup.
7461         * tree-ssa.c (verify_ssa_name): New function.
7462         (verify_def): Call it.
7463         Re-arrange to avoid printing too many error messages.
7464         (verify_use): Likewise.
7465         (verify_phi_args): Likewise.
7466         (verify_flow_insensitive_alias_info): New function.
7467         (verify_flow_sensitive_alias_info): New function.
7468         (verify_alias_info): New function.
7469         (verify_ssa): Call verify_alias_info.
7470         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
7471         program.
7472         Re-arrange to avoid printing too many error messages.
7473         * tree-ssanames.c (make_ssa_name): Clear
7474         SSA_NAME_IN_FREE_LIST.
7475         (release_ssa_name): Never release a default definition.
7476         (release_defs): New function.
7477         * tree.h: Declare it.
7478         * tree-ssa-dce.c (remove_dead_stmt): Call it.
7479
7480 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
7481
7482         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
7483         If true, do a depth-first search.  Do a breadht-first search,
7484         otherwise.
7485         (walk_use_def_chains): Add new argument IS_DFS.
7486         Update all users.
7487         * tree-flow.h (walk_use_def_chains): Update prototype.
7488
7489 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
7490
7491         * config/cris/cris.md: Tweak formatting.
7492         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
7493         (mover2side, moverside, movemside, movei, op3, andu): Replace
7494         live define_peephole:s with define_peephole2 near-equivalents.
7495         Delete the rest.
7496         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
7497         word-size modes.
7498         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
7499         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
7500         "*mov_sidesi_mem" respectively.
7501
7502 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
7503
7504         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
7505         (gimplify_build1): Move from tree-complex.c do_unop.
7506         (gimplify_build2): Move from tree-complex.c do_binop.
7507         (gimplify_build3): New.
7508         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
7509         Adjust throughout to call the functions above.
7510         * tree-flow.h: Declare the functions above.
7511         * tree-nested.c (gimplify_val): Rename to...
7512         (tsi_gimplify_val): ... this.
7513
7514         * Makefile.in (tree_complex.o): Update dependencies.
7515         (stor-layout.o): Depend on regs.h.
7516         * c-common.c (handle_vector_size_attribute): Update for
7517         vector types without corresponding vector modes.
7518         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
7519         a corresponding vector mode is not available.
7520         * print-tree.c (print_node): Print nunits for vector types
7521         * regclass.c (have_regs_of_mode): New.
7522         (init_reg_sets_1): Initialize it and use it instead
7523         of allocatable_regs_of_mode.
7524         * regs.h (have_regs_of_mode): Declare it.
7525         * stor-layout.c (layout_type): Pick a mode for vector types.
7526         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
7527         build_replicated_const, do_unop, do_binop, do_plus_minus,
7528         do_negate, expand_vector_piecewise, expand_vector_parallel,
7529         expand_vector_addition, expand_vector_operations_1,
7530         expand_vector_operations, tree_lower_operations,
7531         pass_lower_vector_ssa, pass_pre_expand): New.
7532         (expand_complex_operations, pass_lower_complex): Remove.
7533         * tree-optimize.c (init_tree_optimization_passes): Adjust
7534         pass ordering for changes in tree-complex.c.
7535         * tree-pass.h: Declare new passes.
7536         * tree.c (finish_vector_type): Remove.
7537         (make_vector_type): New.
7538         (build_vector_type_for_mode, build_vector_type): Rewritten.
7539         * tree.def (VECTOR_TYPE): Document where the number of
7540         subparts is stored.
7541         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
7542         (make_vector): Remove declaration.
7543
7544 2004-07-21  Richard Henderson  <rth@redhat.com>
7545
7546         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
7547         TREE_THIS_VOLATILE, may_aliases, or optimization level.
7548         (remove_useless_vars): Dump debugging info.
7549         (expand_used_vars): Move ...
7550         * cfgexpand.c (expand_used_vars): ... here.  Make static.
7551         * tree-flow-inline.h (set_is_used): New.
7552         (set_default_def): Use get_var_ann.
7553         * tree-flow.h: Update decls.
7554         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
7555         (create_ssa_var_map): Use it.
7556         * tree-ssa.c (set_is_used): Remove.
7557
7558 2004-07-22  Ben Elliston  <bje@au.ibm.com>
7559
7560         * gdbinit.in: Set a breakpoint on internal_error.
7561
7562 2004-07-21  Richard Henderson  <rth@redhat.com>
7563
7564         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
7565         to create a new basic block.
7566
7567 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7568
7569         PR c/15052
7570         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
7571         return type on function definitions.  Move other warnings for
7572         qualified return type to -Wreturn-type.  Do not condition any such
7573         warnings on -pedantic.  Update comments.
7574         (start_function): Only copy function type from previous prototype
7575         declaration if return types are compatible.
7576         * c-typeck.c (function_types_compatible_p): Don't condition
7577         warning for incompatibility of volatile qualifiers on the return
7578         type on -pedantic.  Update comment.
7579         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
7580
7581 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7582
7583         * c-typeck.c (set_init_index): Require designator to be of integer
7584         type.
7585
7586 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7587
7588         PR c/11250
7589         * c-parse.in (init): Change to exprtype.
7590         (primary): Set original_code for STRING to STRING_CST.
7591         Call maybe_warn_string_init for compound literals.
7592         (initdcl, notype_initdcl): Call maybe_warn_string_init.
7593         (initval): Update.
7594         * c-tree.h (maybe_warn_string_init): New.
7595         (pop_init_level, process_init_element): Use struct c_expr.
7596         (struct c_expr): Update comment.
7597         * c-typeck.c (maybe_warn_string_init): New function.
7598         (digest_init): Call it.  Additional parameter strict_string.  All
7599         callers changed.
7600         (output_init_element): Likewise.
7601         (struct constructor_stack): Use struct c_expr for
7602         replacement_value.
7603         (really_start_incremental_init, push_init_level): Update.
7604         (pop_init_level): Update.  Return struct c_expr.
7605         (process_init_level): Update.  Take struct c_expr argument.
7606
7607 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
7608
7609         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
7610         commit.
7611
7612 2004-07-21  Eric Christopher  <echristo@redhat.com>
7613
7614         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
7615         removal.
7616         * c-decl.c (pop_scope): Ditto.
7617         * calls.c (expand_call): Remove call to current_nesting_level,
7618         update comment accordingly. Remove calls to expand_start_target_temps
7619         and expand_end_target_temps.
7620         * cfgexpand.c (construct_init_block): Remove call to
7621         expand_start_bindings_and_block.
7622         (construct_exit_block): Remove call to expand_end_bindings.
7623         * expr.c (safe_from_p): Remove BIND_EXPR handling.
7624         (expand_expr_real_1): Ditto. Fix formatting.
7625         (expand_vars): Delete.
7626         * stmt.c (POPSTACK): Remove block_stack.
7627         (stmt_status): Remove x_block_stack.
7628         (block_stack): Delete.
7629         (expand_start_bindings_and_block): Ditto.
7630         (expand_start_target_temps): Ditto.
7631         (expand_end_target_temps): Ditto.
7632         (current_nesting_level): Ditto.
7633         (warn_about_unused_variables): Ditto.
7634         (expand_end_bindings): Ditto.
7635         * tree.h: Remove declarations for above.
7636
7637 2004-07-21  Steven Bosscher  <stevenb@suse.de>
7638
7639         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
7640         * rtl.c (note_insn_name): Likewise.
7641         * print-rtl.c (print_rtx): Don't print it.
7642         * cfgrtl.h (can_delete_note_p): Don't handle it.
7643         (rtl_delete_block): Likewise.
7644         * passes.c (rest_of_handle_guess_branch_prob): Remove.
7645         (rest_of_compilation): Don't call it.
7646         * predict.c (process_note_predictions, process_note_prediction,
7647         note_prediction_to_br_prob): Remove.
7648         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
7649         * stmt.c (return_prediction): Remove.
7650         (expand_value_return): Don't call it.  Don't add prediction
7651         notes for return statements.
7652
7653 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
7654
7655         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
7656         once.
7657
7658 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
7659
7660         * c-common.c (vector_types_convertible_p): Use vector types'
7661         TYPE_SIZE and TREE_TYPE instead of their mode.
7662         * convert.c (convert_to_integer): Likewise.
7663         (convert_to_vector): Likewise.
7664         * fold-const.c (fold_convert): Likewise.
7665         * varasm.c (output_constant): Likewise.
7666         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
7667         Allow a VECTOR_TYPE initializer to be made of several vectors.
7668         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
7669         of cleared and need_to_clear, and use fold_convert.
7670         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
7671         integer vectors.
7672
7673 2004-07-20  Richard Henderson  <rth@redhat.com>
7674
7675         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
7676         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
7677
7678 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
7679
7680         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
7681         enormous cost if not TARGET_HARD_MUL.
7682
7683 2004-07-20  Andrew Pinski  <apinski@apple.com>
7684
7685         PR target/16557
7686         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
7687         (ASM_SPEC): here.
7688
7689 2004-07-21  Paul brook  <paul@codesourcery.com>
7690
7691         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
7692
7693 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7694
7695         * fold-const.c (operand_equal_p): Temporarily support NULL args.
7696         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
7697         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
7698
7699 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
7700
7701         * rtl.h (plus_constant): Delete.
7702         (plus_constant_wide): Rename to plus_constant.
7703         (plus_constant_for_output_wide): Delete vestigial prototype.
7704         (GEN_INT): Remove unnecessary cast.
7705         * tree.h (build_int_2, size_int_type): Delete.
7706         (build_int_2_wide): Rename to build_int_2.
7707         (size_int_wide): Rename to size_int_kind.
7708         (size_int_type_wide): Rename to size_int_type.
7709         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
7710         Remove unnecessary cast.
7711         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
7712         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
7713         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
7714         (size_int_type_wide): Rename size_int_type.
7715         (int_const_binop): Use size_int_type.
7716         * c-lex.c (interpret_integer): Use build_int_2.
7717         * final.c (split_double): Remove unnecessary casts.
7718         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
7719
7720 2004-07-20  Richard Henderson  <rth@redhat.com>
7721
7722         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
7723         (gimplify_compound_lval): Use is_gimple_tmp_reg.
7724         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
7725         (is_gimple_tmp_reg): New.
7726         * tree-gimple.h (is_gimple_tmp_reg): Declare.
7727
7728 2004-07-20  Richard Henderson  <rth@redhat.com>
7729
7730         * tree-pretty-print.c (dump_generic_node): Dump
7731         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
7732
7733 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
7734
7735         * tree-mudflap.c (mf_set_options_fndecl): New tree.
7736         (mudflap_init): Set it.
7737         (mudflap_register_call): Remove __mf_init call.
7738         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
7739         to pass "-ignore-reads" option to libmudflap if needed.
7740
7741 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
7742
7743         PR c++/14607
7744         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
7745         (MAKE_DECL_ONE_ONLY): Undefine.
7746         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
7747         readonly_data, one_only_data_section, forget_section): New prototypes.
7748         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
7749         functions.
7750         (pa_select_section): Add one-only (COMDAT) support.
7751         * pa.h (struct machine_function): Define.
7752         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
7753         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
7754         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
7755         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
7756         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
7757         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
7758         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
7759         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
7760         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
7761         for EXTRA_SECTION_FUNCTIONS.
7762         * doc/install.texi: Update binutils requirements.
7763
7764 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
7765
7766         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
7767         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
7768         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
7769         size_t.
7770         (struct VEC): Use unsigned for num and alloc.
7771         * vec.c (struct vec_prefix): Likewise.
7772         (vec_o_reserve): Adjust.
7773
7774         * dbxout.c (dbxout_type): Fix printf format.
7775
7776         * tree.h (binfo_member): Remove.
7777         * tree.c (binfo_member): Remove.
7778
7779 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
7780
7781         * tree.h: Include vec.h
7782         (DEF_VEC_P(tree)): New type.
7783         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
7784         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
7785         (BINFO_LANG_SLOT): Remove.
7786         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
7787         (struct tree_binfo): Turn base_binfos into a trailing
7788         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
7789         (binfo_lang_slots): Remove.
7790         * tree.c (binfo_lang_slots): Remove.
7791         (make_tree_binfo_stat): Take a base binfo count, not a
7792         lang slot count.  Adjust.
7793         * Makefile.in (TREE_H): Add vec.h
7794         * alias.c (record_component_aliases): Adjust BINFO access.
7795         * dbxout.c (dbxout_type): Likewise.
7796         * dwarf2out.c (gen_member_die): Likewise.
7797         * sdbout.c (sdbout_one_type): Likewise.
7798         * tree-dump.c (deque_and_dump): Likewise.
7799         * config/i386/i386.c (classify_argument,
7800         contains_128bit_aligned_vector_p): Likewise.
7801         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
7802         * doc/c-tree.texi (Classes): Update BINFO documentation.
7803
7804 2004-07-20  Steven Bosscher  <stevenb@suse.de>
7805
7806         * c-common.h (check_case_value): Remove prototype.
7807         (c_add_case_label): Adjust prototype.
7808         * c-common.c (check_case_value): Make static.
7809         (check_case_bounds): New function.
7810         (c_add_case_label): Use it.  Take new argument orig_type.
7811         * c-typeck.c (struct c_switch): New orig_type field.
7812         (c_start_case): Set it.
7813         (do_case): Pass it to c_add_case_label.
7814         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
7815         cases from here.  Add the labels in reverse order.
7816         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
7817         (add_case_node): Return nothing, don't check for duplicate cases.
7818         Insert new case nodes in a list, not in an AVL tree.
7819         (expand_end_case_type): Don't turn a case tree into a case list.
7820         (case_tree2list): Remove.
7821         * tree.h (add_case_node): Adjust prototype.
7822
7823 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
7824
7825         * genattr.c (struct range, struct function_unit,
7826         write_units, extend_range, init_range): Remove them.
7827         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
7828         Output "#define INSN_SCHEDULING" here.
7829         * genattrtab.c (struct range, struct function_unit_op,
7830         struct function_unit, struct dimension, enum operator,
7831         operate_exp, expand_units, simplify_knowing,
7832         encode_units_mask, simplify_by_exploding,
7833         find_and_mark_used_attributes, unmark_used_attributes,
7834         add_values_to_cover, increment_current_value,
7835         test_for_current_value, simplify_with_current_value,
7836         simplify_with_current_value_aux, gen_unit,
7837         write_unit_name, write_function_unit_info,
7838         write_complex_function, write_toplevel_expr,
7839         find_single_value, extend_range): Remove.
7840         (write_attr_get): Do not handle common_av->value
7841         being an FFS.
7842         (struct attr_desc): Remove func_units_p and blockage_p.
7843         (write_attr_valueq): Do not handle them.
7844         (find_attr): Do not clear them.
7845         (make_internal_attr): Do not initialize them.
7846         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
7847         * sched-vis.c (init_target_units, insn_print_units,
7848         init_block_visualization, print_block_visualization,
7849         visualize_scheduled_insns, visualize_no_unit,
7850         visualize_stall_cycles, visualize_alloc,
7851         visualize_free, target_units, get_visual_tbl_length,
7852         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
7853         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
7854         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
7855         * haifa-sched.c (blockage_range, clear_units,
7856         schedule_unit, actual_hazard, potential_hazard,
7857         insn_unit, unit_last_insn, unit_tick,
7858         actual_hazard_this_instance, potential_hazard,
7859         schedule_unit, max_insn_queue_index_value): Remove.
7860         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
7861         max_insn_queue_index.
7862         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
7863         * doc/md.texi (Processor pipeline description): Remove
7864         references to old pipeline descriptions.
7865         (Automaton pipeline description): Merge with the above.
7866         (Old pipeline description, Comparison of the two descriptions):
7867         Remove.
7868
7869         * bt-load.c (migrate_btr_def): Remove references to
7870         use_pipeline_interface.
7871         * haifa-sched.c (insn_cost, schedule_insn,
7872         schedule_block, advance_one_cycle, sched_init,
7873         queue_to_ready, sched_finish): Likewise.
7874         * modulo-sched.c (sms_schedule, advance_one_cycle,
7875         ps_has_conflicts): Likewise.
7876         * sched-rgn.c (init_ready): Likewise.
7877         (debug_dependencies): Likewise, and remove an "if (1)".
7878         * target.h (use_dfa_pipeline_interface): Remove.
7879         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7880         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7881         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7882         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7883         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7884         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7885         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7886         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7887         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7888         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7889         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7890         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7891         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7892         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7893         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7894         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7895         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7896         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7897         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7898
7899 2004-07-19  Roger Sayle  <roger@eyesopen.com>
7900
7901         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
7902
7903 2004-07-19  Jeff Law  <law@redhat.com>
7904
7905         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
7906         (get_eq_expr_value): Use it.  Simplify slightly.
7907
7908 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
7909
7910         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
7911         (umulsidi3_32bit_r4000): Likewise.
7912
7913 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
7914
7915         * vec.h: Propagate location information properly.
7916         (VEC_T_iterate): Add result pointer parameter.
7917         (VEC_T_space): New.
7918         (VEC_T_reserve): Use it.
7919
7920 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
7921
7922         * Makefile.in (c-format.o): Depend on c-format.h.
7923         * c-format.h: New file.
7924         (struct format_char_info): Add CHAIN member.
7925         * c-format.c: Move some types and constants to c-format.h.
7926         (format_type_error): Set to -1.
7927         (struct function_format_info): Use an int for format_type.
7928         (decode_format_type): Return an int.  Return format_type_error
7929         on error.
7930         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
7931         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
7932         (scan_char_table, time_char_table, monetary_char_table): Initialize
7933         CHAIN to NULL.
7934         (n_format_types): New variable.
7935         (check_format_info_main): Handle CHAIN in format_char_info.
7936         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
7937         TARGET_N_FORMAT_TYPES.
7938         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
7939         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
7940         * config/sol2-c.c: New file.
7941         * config/t-sol2: New file.
7942         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
7943         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
7944         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
7945
7946         * doc/extend.texi (Target Format Checks): New section.
7947         (Function Attributes): Mention it.
7948         * doc/invoke.texi: Mention target format checks.
7949         * doc/sourcebuild.texi: Mention target format checks.
7950         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
7951         TARGET_FORMAT_TYPES.
7952
7953 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
7954
7955         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
7956         added.
7957         * config/s390/s390.c (regclass_map initializer): Register 35 added to
7958         ADDR_REGS.
7959         (load_multiple_operation, store_multiple_operation): Removed
7960         pointless sanity check.
7961         (s390_decompose_address): Added check for return_address_pointer_rtx.
7962         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
7963         (s390_return_address_offset): New function.
7964         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
7965         (FRAME_REGNO_P): Added check for register 35.
7966         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
7967         REG_ALLOC_ORDER): Appended entry for register 35.
7968         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
7969         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
7970         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
7971         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
7972         is eliminable using stack pointer or hard frame pointer.
7973         (REGISTER_NAMES): Added name for register 35.
7974         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
7975         pointless sanity check.
7976
7977 2004-07-19  Roger Sayle  <roger@eyesopen.com>
7978
7979         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
7980         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
7981         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
7982         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
7983         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
7984         (fold_relational_const): Tidy up handling of floating point
7985         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
7986         transformation; fold_relational_const assumes constant operands.
7987
7988 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
7989
7990         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
7991         directory.
7992
7993 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
7994
7995         * c-tree.h (struct c_expr): Define.
7996         (C_SET_EXP_ORIGINAL_CODE): Remove.
7997         (parser_build_binary_op, build_compound_expr): Update prototypes.
7998         * c-parse.in (%union): Add exprtype.
7999         (FUNC_NAME): Mark as ttype.
8000         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
8001         exprtype.
8002         (expr): Update.  Define directly in terms of expr_no_commas
8003         instead of using nonnull_exprlist.
8004         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
8005         offsetof_member_designator, typespec_nonreserved_nonattr, init,
8006         initval, designator, component_declarator,
8007         component_notype_declarator, enumerator, array_declarator,
8008         condition, exexpr, switch_statement, stmt_nocomp, stmt,
8009         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
8010         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
8011         where appropriate.
8012         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
8013         * c-common.c (c_common_truthvalue_conversion): Don't check
8014         C_EXP_ORIGINAL_CODE.
8015         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
8016         Don't use C_EXP_ORIGINAL_CODE.
8017         (default_conversion, default_function_array_conversion): Don't use
8018         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
8019         (internal_build_compound_expr): Merge into build_compound_expr.
8020         (build_compound_expr): Take two operands instead of a TREE_LIST.
8021         * objc/objc-act.c (get_super_receiver): Update calls to
8022         build_compound_expr.
8023
8024 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
8025
8026         * config/sh/sh.c (sh_use_dfa_interface): Remove.
8027         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
8028         hook_int_void_1.
8029         * config/sh/sh.md: Extract pipeline descriptions
8030         into separate files.
8031         * config/sh/sh1.md: New file, extracted from sh.md.
8032         * config/sh/sh4.md: New file, extracted from sh.md.
8033         * config/sh/shmedia.md: New file, extracted from sh.md
8034         and rewritten using new-style pipeline description.
8035
8036 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
8037
8038         * config/pa/pa.md: Delete the two remaining define_peephole
8039         patterns.
8040
8041 2004-07-18  Steven Bosscher  <stevenb@suse.de>
8042             Joseph S. Myers  <jsm@polyomino.org.uk>
8043
8044         * c-common.c (c_common_truthvalue_conversion): Don't warn if
8045         TREE_NO_WARNING is set.
8046
8047 2004-07-18  Roger Sayle  <roger@eyesopen.com>
8048
8049         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
8050         simplify_builtin_strncmp): Delete.
8051         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
8052         Change argument to accept an arglist instead of an "exp".  Assume
8053         that the return type is always integer_type_node.  Copy missing
8054         transformations from their now obsolete simplify_builtin_*
8055         equivalents.
8056         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
8057         fold_builtin_strcmp and fold_builtin_strncmp.
8058         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
8059         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
8060         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
8061
8062 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
8063
8064         * Makefile.in (tree-alias-common.o): Update dependencies.
8065
8066 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
8067
8068         * cfgloop.c (flow_loop_nested_p): Fix comment.
8069
8070 2004-07-17  Jason Merrill  <jason@redhat.com>
8071
8072         PR c++/16115
8073         * stor-layout.c (relayout_decl): New fn.
8074         * tree.h: Declare it.
8075         (DECL_BY_REFERENCE): New macro.
8076
8077 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
8078
8079         * libgcc2.c (__enable_execute_stack): New symbol.
8080         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
8081         and declare __enable_execute_stack.
8082         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
8083         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
8084         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
8085         ENABLE_EXECUTE_STACK.
8086         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
8087         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
8088         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
8089         ENABLE_EXECUTE_STACK.
8090         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8091         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
8092         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
8093         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
8094         ENABLE_EXECUTE_STACK.
8095         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8096         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8097         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8098         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8099         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
8100         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
8101         (sparc64_initialize_trampoline): Likewise.
8102         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
8103
8104 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
8105
8106         * langhooks.h (builtin_function): New langhook.
8107         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
8108         (LANG_HOOKS_INITIALIZER): Update.
8109         * tree.h (builtin_function): Remove.
8110         * doc/tm.texi: Update.
8111         * c-tree.h (builtin_function): Declare.
8112         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
8113         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
8114         config/ia64/ia64.c, config/iq2000/iq2000.c,
8115         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
8116         config/stormy16/stormy16.c: All callers of builtin_function
8117         changed.
8118
8119 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
8120
8121         PR target/16556
8122         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
8123         Remove white space after the backslash.
8124
8125 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
8126
8127         PR rtl-optimization/16294
8128         * resource.c (return_insn_p): New predicate.
8129         (mark_target_live_regs): Use it.  Special-case return insns.
8130         (init_resource_info): Use it.  Don't scan the epilogue past
8131         a return.
8132
8133 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8134
8135         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
8136         destroy dominance information.
8137         * passes.c (rest_of_handle_loop2):  Free dominance information.
8138         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
8139         jump threading.
8140         (thread_jumps): Update dominance information and remove unreachable
8141         blocks.
8142         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
8143         information and remove the unreachable block.
8144
8145 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
8146
8147         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
8148
8149 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
8150
8151         * doc/sourcebuild.texi: Remove libf2c entry.
8152
8153 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
8154
8155         * config/i386/i386.md (movv16qi_internal): Fix typo.
8156
8157 2004-07-17  Steven Bosscher  <stevenb@suse.de>
8158
8159         * final.c (final_scan_insn): Fix broken commit from previous
8160         patch.
8161
8162 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
8163
8164         * c-typeck.c (parser_build_binary_op): Condition warnings for
8165         X<=Y<=Z on -Wparentheses instead of -Wextra.
8166         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
8167         supported for C only.
8168
8169 2004-07-17  Steven Bosscher  <stevenb@suse.de>
8170
8171         * cfgcleanup.c (try_simplify_condjump): Don't remove line
8172         notes to avoid unreachable code warnings.
8173         * toplev.c (backend_init): Don't emit line notes for
8174         unreachable code warnings.
8175
8176         * combine.c (distribute_notes): Don't distribute a
8177         REG_VTABLE_REF note.
8178         * final.c (final_scan_insn): Don't handle it.
8179         * rtl.c (reg_note_name): Remove it.
8180         * rtl.h (enum reg_node): Dito.
8181
8182         * emit-rtl.c (force_line_numbers, restore_line_number_status):
8183         Remove.
8184         * rtl.h (force_line_numbers, restore_line_number_status):
8185         Remove prototypes.
8186
8187         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
8188         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
8189         (using_eh_for_cleanups): Also moved here.
8190
8191         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
8192         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
8193         to expand_start_case and add_case_node.
8194         * stmt.c (struct nesting): Cleanup unused fields condition_code,
8195         last_unconditional_cleanup, nominal_type, printname, and
8196         line_number_status.
8197         (struct fixup_goto): Remove.
8198         (struct stmt_status): Remove x_goto_fixup_chain field.
8199         (goto_fixup_chain): Remove.
8200         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
8201         pushcase, pushcase_range): Remove.
8202         (expand_start_bindings_and_block): Don't set unused fields in
8203         the nesting stack.
8204         (expand_start_case, add_case_node): Cleanup unused formal arguments.
8205         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
8206         instead of emit_jump_if_reachable.
8207         (emit_case_nodes): Likewise.
8208         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
8209         static.
8210         (update_eh_label): Work around left-over exception handing regions.
8211         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
8212         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
8213         (pass_cleanup_cfg_post_optimizing): New pass.
8214         (init_tree_optimization_passes): Run the new pass after all
8215         optimizations.
8216         * tree.h (pushcase, pushcase_range): Remove prototypes.
8217         (expand_start_case, add_case_node): Update prototypes.
8218
8219 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
8220
8221         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
8222
8223 2004-07-16  Richard Henderson  <rth@redhat.com>
8224
8225         * builtins.c (std_expand_builtin_va_arg): Remove.
8226         (expand_builtin_va_arg): Remove.
8227         * expr.h: Don't declare them.
8228         * gimplify.c (mark_decls_volatile_r): Remove.
8229         (copy_if_shared_r): Don't call it.
8230         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
8231         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
8232         * gimple-low.c (lower_stmt): Likewise.
8233         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
8234         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
8235         * tree-ssa-operands.c (get_expr_operands): Likewise.
8236         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
8237         EXPAND_BUILTIN_VA_ARG.
8238         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
8239         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
8240         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
8241         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
8242
8243 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
8244
8245         * tree-ssa-pre.c (insert_aux): Break out if we hit
8246         a critical edge.
8247
8248 2004-07-16  Richard Henderson  <rth@redhat.com>
8249
8250         * basic-block.h (remove_fake_exit_edges): Declare.
8251         * cfganal.c (remove_fake_predecessors): Rename from
8252         remove_fake_successors; iterate over predecessors.
8253         (remove_fake_exit_edges): New.
8254         * cfgcleanup.c (try_optimize_cfg): Use it.
8255         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
8256         * predict.c (estimate_probability): Likewise.
8257         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
8258         * tree-cfg.c (make_edges): Likewise.
8259         * tree-ssa-pre.c (fini_pre): Likewise.
8260         * profile.c (instrument_edges): Don't remove_fake_edges.
8261         (branch_prob): Do it earlier here.
8262
8263 2004-07-16  Richard Henderson  <rth@redhat.com>
8264
8265         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
8266         switchification wrt CONSTRUCTOR.  Document the reason.
8267
8268 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
8269
8270         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
8271         that prevented descriptive __mf_check source location strings.
8272
8273 2004-07-16  Richard Henderson  <rth@redhat.com>
8274
8275         * tree-def (WITH_SIZE_EXPR): New.
8276         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
8277         * expr.c (expand_expr_real_1): Likewise.
8278         * gimplify.c (maybe_with_size_expr): New.
8279         (gimplify_arg, gimplify_modify_expr): Use it.
8280         (gimplify_modify_expr_to_memcpy): Take size parameter.
8281         (gimplify_modify_expr_to_memset): Likewise.
8282         (gimplify_expr): Handle WITH_SIZE_EXPR.
8283         * tree-alias-common.c (find_func_aliases): Likewise.
8284         * tree-eh.c (tree_could_trap_p): Likewise.
8285         (tree_could_throw_p): Likewise.
8286         * tree-gimple.c (is_gimple_lvalue): Likewise.
8287         (get_call_expr_in): Likewise.
8288         * tree-inline.c (estimate_num_insns_1): Likewise.
8289         (expand_calls_inline): Likewise.
8290         * tree-nested.c (convert_call_expr): Likewise.
8291         * tree-pretty-print.c (dump_generic_node): Likewise.
8292         * tree-sra.c (sra_walk_expr): Likewise.
8293         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
8294         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
8295         * tree-ssa-operands.c (get_expr_operands): Likewise.
8296         * tree-tailcall.c (find_tail_calls): Likewise.
8297
8298         * calls.c (expand_call): Reset old_stack_allocated after
8299         calling emit_stack_restore.
8300
8301 2004-07-16  Richard Henderson  <rth@redhat.com>
8302
8303         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
8304         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
8305         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
8306         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
8307         copy_res_decl_for_inlining.
8308
8309         * tree-inline.c (declare_return_variable): New modify_dest argument.
8310         Use it as the return value, when possible or manditory.  Handle
8311         TREE_ADDRESSABLE types.
8312         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
8313         replacement of CALL_EXPR.
8314
8315 2004-07-16  Richard Henderson  <rth@redhat.com>
8316
8317         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
8318         * gimple-low.c (expand_var_p): Don't check it.
8319         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
8320         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
8321         * tree-ssa-operands.c (add_stmt_operand): Likewise.
8322         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
8323         (find_referenced_vars): Don't call them.
8324         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
8325
8326 2004-07-16  Richard Henderson  <rth@redhat.com>
8327
8328         * function.c (pass_by_reference): True for all variable sized types.
8329
8330 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
8331
8332         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
8333         * tree-pretty-print.c: Include tree-chrec.h.
8334         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
8335         and POLYNOMIAL_CHREC nodes.
8336
8337 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
8338
8339         * builtins.c (expand_builtin_stpcpy): Do not create temporary
8340         reg with VOIDmode.
8341
8342 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
8343
8344         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
8345
8346 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
8347
8348         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
8349         to BASE_REGNUM.
8350         * config/s390/s390.c: Likewise.
8351         * config/s390/s390.h: Likewise.
8352
8353 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8354
8355         * config/mips/mips.md (addsi3, adddi3): Remove special handling
8356         of $sp adds.  Remove REGNO checks from mips16 patterns.
8357
8358 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8359
8360         * config/mips/mips.md: Delete outdated comment.
8361
8362 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8363
8364         * config/mips/mips.c (get_float_compare_codes): Delete.
8365         (mips_emit_compare): New function, mostly extracted from
8366         get_float_compare_codes and gen_conditional_branch.
8367         (gen_conditional_branch, gen_conditional_move): Use it.
8368
8369 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
8370
8371         * genautomata.c (add_vect): Speedup by using integers as
8372         bit-vectors for walking through the comb_vect and finding
8373         a match.
8374
8375 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8376
8377         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
8378         operand is an uns_arith_operand; use subtraction otherwise.
8379         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
8380         not just arith_operands.
8381
8382 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8383
8384         * config/mips/mips-protos.h (gen_int_relational): Delete.
8385         (mips_emit_scc): Declare.
8386         * config/mips/mips.c (internal_test): Delete.
8387         (sle_operand, sleu_operand): New functions.
8388         (map_test_to_internal_test, gen_int_relational): Delete.
8389         (mips_emit_binary, mips_relational_operand_ok_p)
8390         (mips_emit_int_relational, mips_zero_if_equal)
8391         (mips_emit_scc): New functions.
8392         (gen_conditional_branch): Rework to use mips_emit_int_relational.
8393         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
8394         sleu_operand.
8395         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
8396         (sltu, sleu): Use mips_emit_scc.
8397         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
8398         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
8399         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
8400
8401 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8402
8403         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
8404
8405 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8406
8407         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
8408         (*sne_[sd]i): Likewise sne_[sd]i_zero.
8409         (*sgt_[sd]i): ...and sgt_[sd]i.
8410         (*slt_[sd]i): ...and slt_[sd]i.
8411         (*sgtu_[sd]i): ...and sgtu_[sd]i.
8412         (*sltu_[sd]i): ...and sltu_[sd]i.
8413         (*sleu_[sd]i): ...and sleu_[sd]i_const.
8414         Name previously unnamed mips16 patterns.  Formatting fixes.
8415
8416 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8417
8418         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
8419         (branch_type): Delete.
8420         (gen_conditional_branch, gen_conditional_move)
8421         (mips_gen_conditional_trap): Update after name change.  Get the
8422         comparison mode from cmp_operands[0].
8423         * config/mips/mips.h (cmp_type, branch_type): Delete.
8424         (cmp_operands): Renamed from branch_cmp.
8425         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
8426         name change.  Don't set branch_type.
8427         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
8428         mode class of cmp_operands[0] rather than branch_type.  Update after
8429         name change.
8430
8431 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8432
8433         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
8434         of 0...255 to 0 when inside a SET.
8435
8436 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8437
8438         * config/mips/mips.md: Remove mips16 define_peepholes.
8439
8440 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
8441
8442         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
8443         (fini_pre): Remove fake edges.
8444
8445 2004-07-15  Richard Henderson  <rth@redhat.com>
8446
8447         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
8448         (get_indirect_ref_operands, get_call_expr_operands): ... these.
8449
8450 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
8451
8452         * vec.h (VEC_address): New function.
8453
8454 2004-07-14  Jason Merrill  <jason@redhat.com>
8455
8456         PR middle-end/15885
8457         * gimplify.c (gimplify_arg): New fn, split out from...
8458         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
8459
8460 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
8461
8462         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
8463         generate code which is generated by pushqi1 now
8464         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
8465
8466 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
8467
8468         * combine.c (simplify_set): match the mode of the constant 0 with
8469         the tested operand to match the compare behaviour and the
8470         simplify_relational_operation() expectation.
8471
8472 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
8473
8474         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
8475         ("bordered"): Same.
8476
8477 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
8478
8479         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
8480         unconditionally.
8481         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
8482
8483 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
8484
8485         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
8486         calls in mips16 code.
8487
8488 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
8489
8490         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
8491         the destination of the li as well as for the neg.
8492
8493 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
8494
8495         g++/15861
8496         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
8497         * cgraph.h: Update declaration.
8498         * c-decl.c (build_cdtor): Update call with default priority.
8499         * coverage.c (create_coverage): Ditto.
8500         * tree-mudflap.c (mf_init_fndecl): New tree.
8501         (mudflap_init): Set it.
8502         (mudflap_register_call): Arrange to call __mf_init before the first
8503         __mf_register call.
8504         (mudflap_finish_file): Mark the mudflap static initializer as extra
8505         high priority, to beat all C++ static constructors.
8506
8507 2004-07-15  Jeff Law  <law@redhat.com>
8508
8509         * loop.c (check_insn_for_givs): Restore check for code labels that was
8510         accidentally deleted by a recent checkin.
8511
8512 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
8513
8514         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
8515         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
8516
8517 2004-07-14  Richard Henderson  <rth@redhat.com>
8518
8519         * print-tree.c (print_node): Fix casts last change.
8520
8521 2004-07-15  Paul Brook  <paul@codesourcery.com>
8522
8523         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
8524         to TARGET_UNWIND_INFO.
8525         * except.c (output_function_exception_table): Ditto.
8526         * except.h: Ditto.
8527         * opts.c (decode_options): Ditto.
8528         * passes.c (rest_of_handle_final): Ditto.
8529         * final.c (final_start_function): Ditto.
8530         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
8531         target hook.
8532         * targhooks.h (default_unwind_emit): Declare.
8533         * targhooks.c (default_unwind_emit): New function.
8534         * target-def.h: Define and use TARGET_UNWIND_EMIT.
8535         * target.h (struct gcc_target): Add unwind_emit.
8536         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
8537         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
8538         Remove IA64_UNWIND_EMIT.
8539         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
8540
8541 2004-07-14  Richard Henderson  <rth@redhat.com>
8542
8543         * print-tree.c (print_node): Handle SSA_NAME.
8544
8545 2004-07-14  James E Wilson  <wilson@specifixinc.com>
8546
8547         PR target/16325
8548         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
8549         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
8550
8551 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
8552
8553         * expr.c (expand_assignment): Reenable bitfield += optimizations.
8554         Use alias set 0 for memory, do proper mode calculations and adjust
8555         address for memories.
8556
8557 2004-07-14  Per Bothner  <per@bothner.com>
8558
8559         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
8560         structure with extra column field.
8561         * tree.c (expand_location):  Also fill in column field.
8562         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
8563         gets confused by the two conditionally-compiled definitions.
8564
8565 2004-07-14  Eric Christopher  <echristo@redhat.com>
8566
8567         * calls.c (expand_call): Fix typo in comment.
8568
8569 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
8570
8571         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
8572         comparision of TFmode.
8573
8574 2004-07-14  Richard Henderson  <rth@redhat.com>
8575
8576         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
8577         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
8578         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
8579         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
8580         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
8581         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
8582         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
8583         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
8584         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
8585
8586 2004-07-14  Mike Stump  <mrs@apple.com>
8587
8588         * config/darwin.h (WINT_TYPE): Define to be int to match
8589         system header files.
8590
8591 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
8592
8593         * config/xtensa/xtensa.c (function_arg_advance): Check for args
8594         that must be passed in the stack.
8595         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
8596         arguments if the size is not a constant.
8597
8598 2004-07-14  Per Bothner  <per@bothner.com>
8599
8600         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
8601         instead of EXPR_LOCUS in a boolean context, which is always true
8602         if --enable-mapped-location.
8603         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
8604
8605 2004-07-14  Richard Henderson  <rth@redhat.com>
8606
8607         * dominance.c (struct dom_info): Add fake_exit_edge.
8608         (init_dom_info): Allocate it.
8609         (free_dom_info): Free it.
8610         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
8611         in two passes.
8612         (calc_idoms): Honor fake_exit_edge.
8613
8614 2004-07-13  Jason Merrill  <jason@redhat.com>
8615
8616         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
8617         (rhs_test_for): New fn.
8618         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
8619         * tree-gimple.h: Declare them.
8620         * gimplify.c (gimplify_modify_expr): Use the new fns.
8621
8622 2004-07-14  Richard Henderson  <rth@redhat.com>
8623
8624         * config/arm/arm-protos.h (arm_va_arg): Remove.
8625         * config/arm/arm.c (arm_va_arg): Remove.
8626         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
8627         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
8628
8629 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8630
8631         * pa.c (fix_range): New function to mark a range(s) of registers as
8632         fixed registers.
8633         (override_options): Call fix_range if the -mfixed-range option string
8634         is not empty.
8635         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
8636         * doc/invoke.texi (-mfixed-range): Document new option.
8637
8638 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
8639
8640         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
8641         for TARGET_64BIT.
8642         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
8643
8644 2004-07-14  Roger Sayle  <roger@eyesopen.com>
8645
8646         * expmed.c (expand_sdiv_pow2): New function to expand signed division
8647         by a positive power of two, split out from expand_divmod.  Provide
8648         an alternate implementation when shifts are expensive.  Lower the
8649         threshold for using a branchless implementation to BRANCH_COST >= 2.
8650         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
8651
8652 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
8653
8654         * tree-dfa.c (make_rename_temp): *Really* work just
8655         like create_tmp_var if called while outside SSA form.
8656
8657 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
8658
8659         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
8660         for division by zero.
8661         ("umodsi3"): Likewise.
8662
8663 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
8664
8665         * config/mips/mips.c (mips_output_move): When generating mips16 code,
8666         force loads of negative constants to be split.
8667         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
8668         Generalize SImode li/neg splitter to cope with other modes.
8669
8670 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
8671
8672         * expmed.c: Remove more references to QUEUED in the comments.
8673         * expr.c: Likewise.
8674
8675 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
8676
8677         Revert:
8678         2004-07-13  Richard Henderson  <rth@redhat.com>
8679         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
8680         correctly.
8681
8682 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
8683
8684         * tree-dfa.c (make_rename_temp): Work just like
8685         create_tmp_var if called while outside SSA form.
8686
8687 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
8688
8689         * expr.c (enqueue_insn, finish_expr_for_function,
8690         protect_from_queue, queued_subexp_p, mark_queue,
8691         emit_insns_enqueued_after_mark, emit_queue,
8692         expand_increment): Remove.
8693         (store_constructor): Expand increment as an assignment.
8694         (expand_expr_real_1 <case PREINCREMENT_EXPR,
8695         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
8696         case POSTDECREMENT_EXPR>): Abort.
8697         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
8698         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
8699         protect_from_queue, emit_queue, queued_subexp_p): Remove.
8700         * function.h (pending_chain, x_pending_chain): Remove.
8701         * rtl.def (QUEUED): Remove.
8702
8703         * emit-rtl.c (copy_insn_1, copy_most_rtx,
8704         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
8705         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
8706         encode_units_mask): Likewise.
8707         * local-alloc.c (equiv_init_varies_p): Likewise.
8708         * rtl.c (copy_rtx): Likewise.
8709         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
8710         * simplify-rtx.c (simplify_gen_subreg): Likewise.
8711         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
8712
8713         * builtins.c (expand_builtin, expand_builtin_apply,
8714         expand_builtin_mathfn, expand_builtin_mathfn_2,
8715         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
8716         Remove calls to emit_queue and protect_from_queue.
8717         * calls.c (expand_call, precompute_arguments,
8718         precompute_register_parameters, rtx_for_function_call,
8719         store_one_arg): Likewise.
8720         * dojump.c (do_compare_and_jump, do_jump): Likewise.
8721         * explow.c (memory_address): Likewise.
8722         * expmed.c (clear_by_pieces_1, clear_storage,
8723         clear_storage_via_libcall, emit_group_load,
8724         emit_group_store, emit_store_flag,
8725         expand_expr_real_1, store_by_pieces,
8726         store_constructor, store_expr, try_casesi,
8727         try_tablejump): Likewise.
8728         * function.c (expand_pending_sizes): Likewise.
8729         * optabs.c (emit_cmp_and_jump_insns,
8730         emit_conditional_add, emit_conditional_move,
8731         expand_fix, expand_float, prepare_cmp_insn): Likewise.
8732         * stmt.c (emit_case_bit_tests,
8733         expand_asm_expr, expand_computed_goto,
8734         expand_decl_init, expand_end_case_type,
8735         expand_end_stmt_expr, expand_expr_stmt_value,
8736         expand_return, expand_start_case,
8737         optimize_tail_recursion): Likewise.
8738         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
8739         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
8740
8741 2004-07-14  Ben Elliston  <bje@au.ibm.com>
8742
8743         * vec.h: Comment fix.
8744
8745 2004-07-13  Richard Henderson  <rth@redhat.com>
8746
8747         * target.h (struct gcc_target): Add calls.pass_by_reference.
8748         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
8749         * function.c (pass_by_reference): Use the hook.
8750         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
8751         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
8752         (hook_pass_by_reference_must_pass_in_stack): New.
8753         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
8754         (alpha_pass_by_reference): New.
8755         (TARGET_PASS_BY_REFERENCE): New.
8756         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8757         * config/arc/arc.c (arc_pass_by_reference): New.
8758         (TARGET_PASS_BY_REFERENCE): New.
8759         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8760         (FUNCTION_ARG_CALLEE_COPIES): True.
8761         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
8762         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
8763         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
8764         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8765         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8766         * config/cris/cris.c (cris_pass_by_reference): New.
8767         (TARGET_PASS_BY_REFERENCE): New.
8768         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
8769         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
8770         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8771         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
8772         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8773         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
8774         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
8775         (frv_function_arg_pass_by_reference): Remove.
8776         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8777         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
8778         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
8779         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
8780         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8781         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
8782         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
8783         (ia64_pass_by_reference): Rename from
8784         ia64_function_arg_pass_by_reference.
8785         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8786         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8787         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
8788         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
8789         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
8790         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8791         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
8792         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
8793         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
8794         (m32r_pass_by_reference): Adjust prototype.  Make static.
8795         Handle mode sizes correctly.
8796         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8797         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
8798         (m68hc11_function_arg_pass_by_reference): Remove.
8799         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8800         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
8801         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
8802         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8803         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
8804         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
8805         (mips_va_arg): Use pass_by_reference.
8806         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
8807         Handle mode sizes correctly.
8808         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8809         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
8810         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
8811         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
8812         (mmix_pass_by_reference): Rename from
8813         mmix_function_arg_pass_by_reference.
8814         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8815         (FUNCTION_ARG_CALLEE_COPIES): True.
8816         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
8817         (mn10300_pass_by_reference): New.
8818         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8819         (FUNCTION_ARG_CALLEE_COPIES): True.
8820         * config/pa/pa.c (pa_pass_by_reference): New.
8821         (TARGET_PASS_BY_REFERENCE): New.
8822         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8823         (FUNCTION_ARG_CALLEE_COPIES): True.
8824         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
8825         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
8826         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
8827         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8828         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
8829         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
8830         (s390_pass_by_reference): Rename from
8831         s390_function_arg_pass_by_reference.
8832         (s390_function_arg_advance): Don't query pass-by-ref.
8833         (s390_function_arg): Likewise.
8834         (s390_gimplify_va_arg): Use pass_by_reference.
8835         (s390_call_saved_register_used): Likewise.
8836         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8837         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
8838         (shcompact_byref, sh_pass_by_reference): New.
8839         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8840         (SHCOMPACT_BYREF): Remove.
8841         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
8842         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
8843         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
8844         (sparc_gimplify_va_arg): Use pass_by_reference.
8845         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8846         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8847         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
8848         (v850_pass_by_reference): New.
8849         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8850         (FUNCTION_ARG_CALLEE_COPIES): True.
8851         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
8852         FUNCTION_ARG_PASS_BY_REFERENCE docs.
8853
8854 2004-07-14  Richard Henderson  <rth@redhat.com>
8855             Richard Sandiford  <rsandifo@redhat.com>
8856
8857         * config/mips/mips-protos.h (mips_va_arg): Delete.
8858         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
8859         * config/mips/mips.c: Include tree-gimple.h.
8860         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
8861         (mips_arg_info): Remove special handling of must_pass_in_stck args.
8862         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
8863         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
8864
8865 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
8866
8867         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
8868         arguments for COND_EXPR in big-endian adjustment code.
8869
8870 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8871
8872         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
8873         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
8874         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
8875         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
8876
8877 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
8878
8879         PR tree-optimization/16443
8880         * tree-ssa-alias.c: Add more description for
8881         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
8882         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
8883         clobbering of call-clobbered and addressable variables.  If
8884         there are any before aliases have been computed, add them.
8885
8886 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
8887
8888         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
8889         verification.
8890
8891 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
8892
8893         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
8894         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
8895         to the same type.
8896
8897 2004-07-13  Per Bothner  <per@bothner.com>
8898
8899         * collect2.c (main):  Handle --no-demangle and --demangle flags.
8900
8901 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
8902
8903         * Makefile.in (OBJS-common): Add tree-data-ref.o.
8904         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
8905         (tree-data-ref.o): New rule.
8906         * lambda.h: New file.
8907         * tree-data-ref.c: New file.
8908         * tree-data-ref.h: New file.
8909         * tree.c (int_cst_value, tree_fold_gcd): New functions.
8910         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
8911
8912 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8913
8914         PR target/13926
8915         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
8916         * config/sparc/sparc.c (output_ubranch): New function.
8917         * config/sparc/sparc.md (jump pattern): Use it.
8918
8919 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8920
8921         PR target/16494
8922         * config/sparc/sparc.c (output_cbranch): Properly guard
8923         the code handling far branches with TARGET_V9.
8924         * config/sparc/sparc.md (length attribute): Document the
8925         side-effect of having a length greater or equal to 3.
8926
8927 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8928             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
8929
8930         PR target/15186
8931         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
8932         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
8933
8934 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8935             Martin Sebor  <sebor@roguewave.com>
8936
8937         PR target/12602
8938         * doc/invoke.texi (SPARC options): Document -threads
8939         and -pthreads on Solaris.
8940
8941 2004-07-13  Richard Henderson  <rth@redhat.com>
8942
8943         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
8944         by reference.
8945         (ind_gimplify_va_arg_expr): Remove.
8946         * tree.h (ind_gimplify_va_arg_expr): Remove.
8947         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
8948         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
8949         argsp to be null.
8950
8951         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
8952         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
8953         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
8954         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
8955         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
8956
8957 2004-07-13  Richard Henderson  <rth@redhat.com>
8958
8959         * function.c (pass_by_reference): New.
8960         (assign_parm_find_data_types): Use it.
8961         * calls.c (initialize_argument_information): Likewise.
8962         (emit_library_call_value_1): Likewise.
8963         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8964         * function.h (pass_by_reference): Declare.
8965
8966 2004-07-13  Richard Henderson  <rth@redhat.com>
8967
8968         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
8969         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
8970         * expr.h (MUST_PASS_IN_STACK): Remove.
8971         * system.h (MUST_PASS_IN_STACK): Poison.
8972         * tree.h (must_pass_in_stack_var_size): Declare.
8973         (must_pass_in_stack_var_size_or_pad): Declare.
8974         * calls.c (must_pass_in_stack_var_size): New.
8975         (must_pass_in_stack_var_size_or_pad): Rename from
8976         default_must_pass_in_stack.
8977         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
8978         (TARGET_MUST_PASS_IN_STACK): New.
8979         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
8980         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
8981         (TARGET_MUST_PASS_IN_STACK): New.
8982         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
8983         * config/frv/frv.c (frv_must_pass_in_stack): New.
8984         (TARGET_MUST_PASS_IN_STACK): New.
8985         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
8986         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
8987         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
8988         (ix86_must_pass_in_stack): Make static.
8989         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
8990         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
8991         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
8992         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
8993         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
8994         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
8995         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
8996         (mcore_must_pass_on_stack): Remove.
8997         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
8998         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
8999         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
9000         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
9001         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
9002         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
9003         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
9004         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
9005         (TARGET_MUST_PASS_IN_STACK): New.
9006         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
9007         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
9008         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
9009         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
9010         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
9011         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
9012         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
9013         MUST_PASS_IN_STACK.
9014
9015         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
9016         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
9017         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
9018         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
9019         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
9020         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
9021         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
9022         config/xtensa/xtensa.c: Use target hook.
9023
9024 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
9025
9026         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
9027         * configure: Rebuilt.
9028
9029 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
9030
9031         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
9032         * config/mips/mips.h (mips_reg_names): Don't declare.
9033         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
9034         (TARGET_NAME_REGS): Delete.
9035         (TARGET_SWITCHES): Remove -mrnames.
9036         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
9037         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
9038         in REGISTER_NAMES.
9039         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
9040         (override_options): Remove handling of TARGET_NAME_REGS.
9041
9042 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
9043
9044         * config/mips/mips.h (TARGET_*): Boolify.
9045
9046 2004-07-12  Nick Clifton  <nickc@redhat.com>
9047
9048         * config.gcc: Add sh-*-symbianelf target.
9049         * config/sh/sh.c: Add new target macros:
9050         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
9051         TARGET_CXX_IMPORT_EXPORT_CLASS.
9052         (sh_file_start): Create a definition of the .directive section.
9053         (sh_attribute): Add dllimport and dllexport attributes.
9054         * config/sh/symbian-pre.h: New file.
9055         * config/sh/symbian-post.h: New file.
9056         * config/sh/symbian.c: New file. Contains Symbian specific
9057         functions.
9058         * config/sh/sh-protos.h: Add prototypes for new functions
9059         provided by symbian.c.
9060         * config/sh/t-symbian: New file.
9061         * doc/extend.texi: Document support for dllimport and dllexport
9062         attributes by the sh-symbianelf target.
9063
9064 2004-07-12  James E Wilson  <wilson@specifixinc.com>
9065
9066         * Makefile.in (AR): Use @AR@ not ar.
9067         (NM): New.
9068         (AR_FOR_TARGET): Use $(AR) not ar for native.
9069         (NM_FOR_TARGET): Use $(NM) not nm for native.
9070         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
9071         * configure: Regenerate.
9072
9073 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
9074
9075         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
9076         special case.
9077         (ashldi3_sp64): Likewise.
9078
9079 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9080
9081         PR target/16477
9082         * pa.c (function_arg): Update comment.
9083         * pa.h (BLOCK_REG_PADDING): Define.
9084
9085 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9086
9087         PR tree-optimization/16461
9088         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
9089         arguments of phi nodes.
9090
9091 2004-07-12  Devang Patel  <dpatel@apple.com>
9092
9093         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
9094
9095 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
9096
9097         * function.c (expand_function_start): Ensure r_save is in Pmode.
9098         * calls.c (prepare_call_address): Ensure static_chain_value is
9099         in Pmode.
9100         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
9101         r_save_area are in Pmode.
9102         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
9103         fnaddr, and static_chain are in Pmode.
9104
9105 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
9106
9107         PR target/16445
9108         * config/ia64/ia64.c (bundling): Don't count ignored insns.
9109
9110 2004-07-12  Richard Henderson  <rth@redhat.com>
9111
9112         * target.h (struct gcc_target): Move gimplify_va_arg_expr
9113         next to build_builtin_va_list.
9114         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
9115         * builtins.c (gimplify_va_arg_expr): Likewise.
9116         * gimplify.c (copy_if_shared_r): Likewise.
9117
9118 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
9119
9120         * passes.c (rest_of_decl_compilation): Don't defer call of
9121         assemble_variable if its DECL_RTL is already set.
9122
9123 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
9124
9125         * cfgloop.h (struct loop): Add nb_iterations field.
9126         (current_loops): Declare.
9127         * tree-chrec.c (chrec_not_analyzed_yet,
9128         chrec_dont_know, chrec_known, count_ev_in_wider_type,
9129         chrec_contains_symbols_defined_in_loop): Remove the temporary
9130         hooks.
9131         * tree-flow-inline.h (loop_containing_stmt): New function.
9132         * tree-scalar-evolution.c: Add implementation.
9133         * tree-scalar-evolution.h: Add declarations.
9134
9135 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
9136
9137         PR rtl-optimization/15921
9138         * Makefile.in (global.o): Add recog.h.
9139
9140         * global.c (recog.h): Add the include-clause.
9141         (bb_info): New member earlyclobber.
9142         (allocate_bb_info, free_bb_info): Initialize/finish the new
9143         member.
9144         (earlyclobber_regclass, earlyclobber_regclass_length): The new
9145         global variables.
9146         (check_earlyclobber, regclass_intersect,
9147         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
9148         New functions.
9149         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
9150         (make_accurate_live_analysis): Modify pavin.
9151
9152 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
9153
9154         * tree-cfg.c (find_taken_edge): Statically compute the truth
9155         value of a predicate comparing an SSA_NAME to itself.
9156
9157 2004-07-12  Roger Sayle  <roger@eyesopen.com>
9158
9159         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
9160         rs6000 doesn't have shift-and-add or shift-and-sub instructions
9161         by returning the cost of a multiplication plus an addition.
9162
9163 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
9164
9165         PR tree-optimization/14107
9166         * gimplify.c (gimplify_return_expr): Accept a
9167         RETURN_EXPR with an error argument.
9168         * tree-optimize.c (init_tree_optimization_passes):
9169         Run pass_warn_function_return at -O0.
9170
9171 2004-07-12  Roger Sayle  <roger@eyesopen.com>
9172
9173         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
9174         index entry.
9175
9176 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
9177
9178         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
9179         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9180         * config/mips/3000.md: Add copyright notice.  Remove automota and
9181         function units; use generic ones instead.  Only define reservations
9182         for things that are different from generic.md.  Extend each clause
9183         to include r3900.
9184         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
9185         * config/mips/mips.md: Include them. Remove define_function_units.
9186         (alu, imuldiv): New automata and units.
9187
9188 2004-07-12  Ben Elliston  <bje@au.ibm.com>
9189
9190         * doc/invoke.texi (Optimize Options): Document -frename-registers
9191         not being enabled by default at -O3.
9192
9193 2004-07-11  Roger Sayle  <roger@eyesopen.com>
9194
9195         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
9196         floating point additions, to keep real immediate constant positive.
9197         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
9198         into X + C, and leave positive real constants as X - C.
9199
9200 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9201
9202         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
9203
9204 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9205
9206         PR tree-optimization/15654
9207         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
9208
9209 2004-07-11  Roger Sayle  <roger@eyesopen.com>
9210
9211         * builtins.c (fold_builtin_fputs): Don't bother converting the
9212         return type to integer_type_node, as we've already checked that
9213         the result will be ignored.
9214
9215         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
9216         that signed addition, subtraction, multiplication, division,
9217         remainder, negation and absolute value may potentially trap.
9218
9219         * fold-const.c (fold_ignored_result): New function to strip
9220         non-side-effecting tree nodes from an expression whose result
9221         is ignored.
9222         (fold_convert): Call fold_ignored_result when casting a value
9223         to VOID_TYPE.
9224         (omit_one_operand):  Call fold_ignored_result on the "omitted"
9225         operand when building a COMPOUND_EXPR.
9226         (pedantic_omit_one_operand): Likewise.
9227         * tree.h (fold_ignored_result): Prototype here.
9228         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
9229         when we're going to ignore the result.
9230
9231 2004-07-11  Richard Henderson  <rth@redhat.com>
9232
9233         PR tree-opt/16383
9234         * tree-ssa-ccp.c (fold_stmt_r): Split out...
9235         * tree.c (fields_compatible_p, find_compatible_field): ... new.
9236         * tree.h (fields_compatible_p, find_compatible_field): Declare.
9237         * tree-sra.c (sra_hash_tree): Hash fields by offset.
9238         (sra_elt_eq): Use fields_compatible_p.
9239         (generate_one_element_ref): Use find_compatible_field.
9240
9241 2004-07-11  Richard Henderson  <rth@redhat.com>
9242
9243         PR tree-opt/16422
9244         * tree-sra.c (generate_one_element_init): New.
9245         (generate_element_init): Use it.
9246         (scalarize_init): Push/pop gimplify context around it.
9247         (find_new_referenced_vars_1, find_new_referenced_vars): New.
9248         * gimplify.c (gimplify_expr): Allow SSA_NAME.
9249
9250 2004-07-11  Roger Sayle  <roger@eyesopen.com>
9251
9252         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
9253         combine.c's combine_insn_cost.
9254         * rtl.h (insn_rtx_cost): Prototype here.
9255         * combine.c (combine_insn_cost): Delete function.
9256         (combine_validate_cost): Update callers of combine_insn_cost to
9257         call insn_rtx_cost instead.
9258         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
9259         requesting the rtx_cost of call and/or jump instructions.
9260
9261         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
9262         rtx_cost directly.  Don't request/use the cost of call or jump
9263         instructions.  Return -1 if the cost of any instruction can't be
9264         determined (or the BB contains a function call).
9265         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
9266         -1 (i.e. can't determine the cost of any instruction or the basic
9267         block contains a subroutine call).
9268         (find_if_case_2): Likewise.
9269
9270 2004-07-11  Roger Sayle  <roger@eyesopen.com>
9271
9272         * rs6000.c (struct processor_costs): Change semantics of fields to
9273         include the COST_N_INSNS scaling, and update all initializers.
9274         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
9275         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
9276         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
9277         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
9278
9279 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
9280
9281         * LANGUAGES: Remove obsolete information.
9282
9283 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
9284
9285         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
9286         SIGBUS signal frames, the PSW address points *to* the faulting
9287         instruction, not after it.
9288
9289 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
9290
9291         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
9292         added to TLS symbol addresses.
9293
9294 2004-07-11  Richard Henderson  <rth@redhat.com>
9295
9296         * expmed.c (init_expmed): Use stack-local structures for
9297         temporary rtl.  Don't recognize shifts.
9298
9299 2004-07-11  Richard Henderson  <rth@redhat.com>
9300
9301         * expr.c (store_expr): Don't fiddle subreg promotion for types
9302         with precision smaller than the mode.
9303
9304 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
9305
9306         * tree.h (all_types_permanent): Remove.
9307
9308 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
9309
9310         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
9311         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
9312         * langhooks.c (lhd_clear_binding_stack): Remove.
9313         * langhooks-def.h (lhd_clear_binding_stack,
9314         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
9315         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
9316         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
9317         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
9318         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
9319         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
9320         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
9321         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
9322         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
9323         * tree.h (poplevel): Don't declare.
9324         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
9325         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
9326         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
9327         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
9328         Remove.
9329
9330 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
9331
9332         PR tree-optimization/16437
9333         * c-common.c (shorten_compare): Don't mark result of conversion to
9334         narrower signed type as overflowing.
9335         * fold-const.c (decode_field_reference): Determine whether
9336         signedness comes from outer type using precision rather than size.
9337
9338 2004-07-11  Phil Edwards  <phil@codesourcery.com>
9339
9340         * configure.ac:  Alphabetize --enable-checking list, add
9341         missing valgrind entry.
9342         * configure:  Regenerate.
9343
9344 2004-07-11  Phil Edwards  <phil@codesourcery.com>
9345
9346         * doc/install.texi (Testing):  Fix syntax in "make check" example.
9347
9348 2004-07-10  James E Wilson  <wilson@specifixinc.com>
9349
9350         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
9351
9352 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9353
9354         PR rtl-optimization/16001
9355         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
9356         niter_expr.
9357
9358 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
9359
9360         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
9361
9362 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
9363             James Morrison  <phython@gcc.gnu.org>
9364
9365         * doc/contrib.texi (Contributors): Add gfortran contributors and
9366         fix a couple of typos.
9367
9368 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9369
9370         PR rtl-optimization/15387
9371         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
9372         to incoming args space correctly.
9373
9374 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9375
9376         * pa.c (output_indirect_call): Only use %r2 as the link register in
9377         indirect calls with the long PA 2.0 pc-relative branch.
9378
9379 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
9380
9381         * config/i386/i386.c (override_options): Pick a 64-bit CPU
9382         for the default tuning if TARGET_64BIT.
9383
9384 2004-07-10  Richard Henderson  <rth@redhat.com>
9385
9386         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
9387         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
9388
9389 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
9390
9391         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
9392         * expmed.c (store_bit_field, extract_bit_field): Remove last
9393         argument.
9394         * builtins.c (expand_builtin_signbit): Adjust callers.
9395         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
9396         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
9397         * ifcvt.c (noce_emit_move_insn): Likewise.
9398         * stmt.c (expand_return): Likewise.
9399         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
9400         store_field, expand_expr_real_1): Likewise.
9401
9402 2004-07-10  Richard Henderson  <rth@redhat.com>
9403
9404         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
9405
9406 2004-07-09  Mike Stump  <mrs@apple.com>
9407
9408         * config/darwin.c (no_dead_strip): Add.
9409         (HAVE_DEAD_STRIP): Add.
9410         (darwin_emit_unwind_label): Ensure that we don't dead code strip
9411         the .eh label.
9412
9413 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9414
9415         * tree-ssa-loop-im.c: New file.
9416         * Makefile.in (tree-ssa-loop-im.o): Add.
9417         * cfgloop.c (superloop_at_depth): New function.
9418         * cfgloop.h (superloop_at_depth): Declare.
9419         * common.opt (ftree-lim): New flag.
9420         * expr.c (array_ref_up_bound): New function.
9421         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
9422         * timevar.def (TV_LIM): New timevar.
9423         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
9424         computing immediate uses of a phi node.
9425         * tree-flow.h (struct tree_ann_common_d): Add aux field.
9426         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
9427         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
9428         * tree-pass.h (pass_lim): Declare.
9429         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
9430         functions.
9431         (pass_lim): New pass structure.
9432         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
9433         * tree.c (in_array_bounds_p): New function.
9434         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
9435         (in_array_bounds_p, array_ref_up_bound): Declare.
9436         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
9437         * doc/passes.texi (tree-ssa-loop-im.c): Document.
9438
9439 2004-07-09  Richard Henderson  <rth@redhat.com>
9440
9441         * builtins.c (expand_builtin_stpcpy): Don't modify len.
9442
9443         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
9444         with prejudice.
9445
9446 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
9447
9448         * flags.h: Delete redundant prototypes that are being generated
9449         in options.h from common.opt.
9450         * common.opt: Add in the expository comments formerly in flags.h.
9451
9452 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9453
9454         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
9455         available for use only when TARGET_MMX/_SSE is set, and check for
9456         variable argument function if any register count is non-zero.
9457         (function_arg): Correctly suppress repeated warnings for passing SSE
9458         vectors are arguments without SSE enabled.
9459         (ix86_function_arg_boundary): Without SSE enabled, the use of what
9460         would be SSE register modes does no longer influence the alignment.
9461
9462 2004-07-09  Richard Henderson  <rth@redhat.com>
9463
9464         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
9465         Always align upward to arg boundary.  Use size_in_bytes/round_up.
9466         Maintain type-correctness of constants.
9467         * stor-layout.c (round_up, round_down): Special-case powers of 2.
9468
9469 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
9470
9471         * config/sparc/sparc.c (*_costs): Scale instruction costs
9472         by COSTS_N_INSNS.
9473         (sparc_rtx_costs): Adjust as appropriate.
9474
9475 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9476
9477         * config/i386/mm3dnow.h: New.
9478         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
9479
9480 2004-07-09  Richard Henderson  <rth@redhat.com>
9481
9482         * simplify-rtx.c (simplify_const_relational_operation): Only
9483         look at bounds of scalar integers.
9484
9485 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9486
9487         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
9488
9489 2004-07-09  Andrew Pinski  <apinski@apple.com>
9490
9491         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
9492         always referenced.
9493         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
9494         UOBJC_METACLASS_decl.
9495
9496 2004-07-09  James E Wilson  <wilson@specifixinc.com>
9497
9498         PR target/16364
9499         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
9500         do return a parallel if hfa_mode == XFmode and mode == TImode.
9501
9502 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9503
9504         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
9505         permissible for unary plus.
9506
9507 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9508
9509         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
9510         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
9511         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
9512         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
9513         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
9514         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
9515         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
9516         (BUILTIN_xxxIMAX): New.
9517         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
9518         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
9519         BUILT_IN_PARITYIMAX.
9520
9521 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
9522
9523         * config/sparc/sparc.h (processor_costs): Define.
9524         (sparc_costs): Declare.
9525         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
9526         hypersparc_costs, sparclet_costs, ultrasparc_costs,
9527         ultrasparc3_costs): New.
9528         (sparc_override_options): Set sparc_costs as appropriate.
9529         (sparc_rtx_costs): Use sparc_costs instead of messy
9530         conditionals.
9531
9532 2004-07-09  Steven Bosscher  <stevenb@suse.de>
9533
9534         * doc/md.texi (Processor pipeline description): Mention that
9535         the old pipeline description is deprecated.
9536
9537         * config/rs6000/7450.md (automaton ppc7450): Split up, move
9538         mciu_7450 function unit to...
9539         (automaton ppc7450mciu): ...new automaton.
9540
9541         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
9542         (schedule_block): Don't consider inserting bubbles.
9543         (sched_init): Don't initialize DFA bubbles.
9544         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
9545         TARGET_SCHED_DFA_BUBBLE): Remove.
9546         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
9547         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
9548         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
9549
9550         * stmt.c (conditional_context): Remove prototype.
9551         * tree.h (conditional_context): Remove.
9552         * tree-cfg.c (pre_insert_on_edge): Remove.
9553
9554         * c-common.h (c_expand_asm_operands): Remove prototype.
9555         * c-typeck.c (c_expand_asm_operands): Remove.
9556
9557 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9558
9559         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
9560         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
9561         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
9562         and V8QI are class SSE. All sufficiently small remaining vector modes
9563         must be passed in one or two integer registers.
9564         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
9565         returned in memory.
9566         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
9567         __builtin_ia32_pmuludq128 have non-uniform argument and return types
9568         and must thus be handled explicitly.
9569         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
9570         MMX and XMM regs.
9571         (movv8qi_internal, movv4hi_internal, movv2si_internal,
9572         movv2sf_internal): Permit moving between MMX and XMM registers (since
9573         MMX areguments and return values are passed in XMM registers).
9574         (sse2_umulsidi3): Correct type and mode.
9575
9576 2004-07-09  Richard Henderson  <rth@redhat.com>
9577
9578         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
9579
9580 2004-07-09  Eric Christopher  <echristo@redhat.com>
9581
9582         * config/rs6000/40x.md: Split into two automatons.
9583
9584 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
9585             Andrew Pinski  <apinski@apple.com>
9586
9587         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
9588         on when we have more than one input file.
9589         (c_common_parse_file): Restore loop over all input files.
9590         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
9591
9592         * c-decl.c (set_type_context): New function.
9593         (pop_scope): Use it to set context of types.  When we
9594         encounter a TYPE_DECL, set the context of the attached type too.
9595         (pop_file_scope): Don't call cpp_undef_all here.
9596         (diagnose_mismatched_decls): Do not complain about a second
9597         definition of an 'extern inline' function if it's not in the
9598         same translation unit.  Do not complain about inline
9599         declaration after use if the use was in a different
9600         translation unit.
9601         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
9602         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
9603         the external scope.
9604         (pushdecl_top_level): Likewise.
9605         (grokdeclarator): Clarify what is going on with setting
9606         DECL_EXTERNAL on function types, a little.
9607         (c_write_global_declarations): Don't do anything if
9608         -fsyntax-only or errors have been encountered.
9609
9610 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
9611
9612         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
9613
9614 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9615
9616         PR target/16459
9617         * pa.c (output_indirect_call): Use %r2 as the link register when
9618         calling $$dyncall with a pc-relative branch.
9619
9620 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
9621
9622         * doc/install.texi (Binaries): Mention OpenPKG.
9623
9624 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
9625
9626         Fix PR tree-optimization/15555
9627         * tree-dfa.c (dump_variable): If the variable is a pointer
9628         SSA_NAME, also dump its points-to information.
9629         * tree-flow.h (struct ptr_info_def): Add field
9630         is_dereferenced.
9631         (dump_points_to_info_for): Declare.
9632         (debug_points_to_info_for): Declare.
9633         * tree-optimize.c (init_tree_optimization_passes): Add a
9634         second alias analysis pass after DOM2.
9635         Move pass_del_pta to a later spot.
9636         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
9637         create a name tags when we find a dereferenced pointer.  Just
9638         mark the pointer dereferenced.
9639         (collect_points_to_info_for): Move code to clear points-to
9640         information to create_name_tags.
9641         (create_name_tags): New function.
9642         (compute_flow_sensitive_aliasing): Call it.
9643         (setup_pointers_and_addressables): Mark type tags for renaming
9644         here instead of ...
9645         (create_memory_tag): ... here.
9646         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
9647         (dump_points_to_info_for): Declare extern.
9648         (debug_points_to_info_for): New function.
9649
9650 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
9651
9652         * config/arc/arc.md: Switch to DFA-based scheduler description.
9653         * config/arc/arc.c: Switch to DFA-based scheduler description.
9654
9655 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
9656
9657         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
9658         pointer.
9659
9660 2004-07-09  Richard Henderson  <rth@redhat.com>
9661
9662         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
9663         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9664         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
9665         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
9666
9667         * config/v850/v850-protos.h (v850_va_arg): Remove.
9668         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9669         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
9670         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
9671         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
9672         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
9673
9674 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
9675
9676         PR target/12133
9677         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
9678         and DImode to use +/-4k offset.
9679
9680 2004-07-09  Richard Henderson  <rth@redhat.com>
9681
9682         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
9683         Remove.
9684         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9685         (xstormy16_gimplify_va_arg_expr): Rewrite from
9686         xstormy16_expand_builtin_va_arg.
9687         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
9688
9689         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
9690         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
9691
9692         * config/sh/sh-protos.h (sh_va_arg): Remove.
9693         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9694         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
9695         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
9696
9697         * config/pa/pa-protos.h (hppa_va_arg): Remove.
9698         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9699         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
9700         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
9701
9702         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
9703         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9704         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
9705         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
9706
9707 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
9708
9709         * config/sparc/sparc.md (return): Rewrite length formula.
9710         * config/sparc/sparc.c (output_return): Pass 1 as 5th
9711         argument to final_scan_insn when in a delay slot.
9712         (output_sibcall): Likewise.
9713
9714 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
9715
9716         * arm.c (arm_cpp_interwork): New variable.
9717         (arm_override_options): Set it if TARGET_INTERWORK was on the command
9718         line.
9719         * arm.h (arm_cpp_interwork): Declare it.
9720         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
9721         __THUMB_INTERWORK__ in the preprocessor.
9722
9723 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
9724
9725         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
9726
9727 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
9728
9729         PR target/16416
9730         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
9731         Override default settings to account for -m32 and -m64.
9732
9733 2004-07-08  Randolph Chung  <tausq@debian.org>
9734
9735         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
9736
9737 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
9738
9739         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
9740         before comparing it as such.
9741
9742 2004-07-08  Richard Henderson  <rth@redhat.com>
9743
9744         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
9745         temporary.  Use bit arithmetic to align.
9746
9747 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
9748
9749         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
9750         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
9751         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
9752         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
9753         add_labels_and_missing_jumps, find_jump_block,
9754         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
9755         Likewise.
9756         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
9757         link_btr_uses, move_btr_def): Likewise.
9758         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
9759         expand_builtin_expect_jump): Likewise.
9760         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
9761         * calls.c (expand_call, emit_library_call_value_1): Likewise.
9762         * cfganal.c (forwarder_block_p): Likewise.
9763         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
9764         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
9765         find_bb_boundaries): Likewise.
9766         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
9767         merge_blocks_move_predecessor_nojumps,
9768         merge_blocks_move_successor_nojumps, insns_match_p,
9769         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
9770         try_optimize_cfg): Likewise.
9771         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
9772         * cfglayout.c (skip_insns_after_block, label_for_bb,
9773         record_effective_endpoints, insn_locators_initialize,
9774         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
9775         * cfgmainloop.c (create_loop_notes): Likewise.
9776         * cfgrtl.c (delete_insn, delete_insn_chain,
9777         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
9778         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
9779         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
9780         redirect_branch_edge, force_nonfallthru_and_redirect,
9781         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
9782         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
9783         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
9784         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
9785         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
9786         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
9787         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
9788         * combine.c (combine_instructions, can_combine_p, try_combine,
9789         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
9790         distribute_notes, distribute_links, insn_cuid): Likewise.
9791         * cse.c (fold_rtx, cse_insn, cse_around_loop,
9792         invalidate_skipped_block, cse_set_around_loop,
9793         cse_end_of_basic_block, cse_main, cse_basic_block,
9794         cse_condition_code_reg): Likewise.
9795         * cselib.c (cselib_process_insn): Likewise.
9796         * ddg.c (create_ddg): Likewise.
9797         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
9798         Likewise.
9799         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
9800         gen_label_die, dwarf2out_var_location): Likewise.
9801         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
9802         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
9803         last_call_insn, active_insn_p, next_label, prev_label,
9804         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
9805         add_insn_before, remove_insn, add_function_usage_to,
9806         reorder_insns, find_line_note, remove_unnecessary_notes,
9807         emit_insn_after_1, classify_insn): Likewise.
9808         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
9809         connect_post_landing_pads, sjlj_mark_call_sites,
9810         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
9811         can_throw_internal, can_throw_external, set_nothrow_function_flags,
9812         convert_to_eh_region_ranges): Likewise.
9813         * explow.c (optimize_save_area_alloca): Likewise.
9814         * expr.c (expand_expr_real): Likewise.
9815         * final.c (insn_current_reference_address, compute_alignments,
9816         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
9817         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
9818         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
9819         propagate_block_delete_insn, propagate_one_insn,
9820         init_propagate_block_info, propagate_block, libcall_dead_p,
9821         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
9822         Likewise.
9823         * function.c (instantiate_virtual_regs, reorder_blocks_1,
9824         expand_function_start, expand_function_end, contains,
9825         thread_prologue_and_epilogue_insns,
9826         reposition_prologue_and_epilogue_notes): Likewise.
9827         * gcse.c (constprop_register, bypass_conditional_jumps,
9828         insert_insn_end_bb, gcse_after_reload): Likewise.
9829         * genemit.c (gen_expand, gen_split): Likewise.
9830         * genpeep.c (gen_peephole, main): Likewise.
9831         * global.c (build_insn_chain): Likewise.
9832         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
9833         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
9834         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
9835         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
9836         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
9837         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
9838         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
9839         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
9840         dead_or_predicable): Likewise.
9841         * integrate.c (try_constants): Likewise.
9842         * jump.c (rebuild_jump_labels, cleanup_barriers,
9843         purge_line_number_notes, init_label_info, mark_all_labels,
9844         squeeze_notes, get_label_before, get_label_after,
9845         reversed_comparison_code_parts, simplejump_p, pc_set,
9846         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
9847         delete_barrier, delete_prior_computation, delete_computation,
9848         delete_related_insns, delete_for_peephole, redirect_jump):
9849         Likewise.
9850         * lcm.c (optimize_mode_switching): Likewise.
9851         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
9852         Likewise.
9853         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
9854         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
9855         * loop-iv.c (simplify_using_assignment): Likewise.
9856         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
9857         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
9858         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
9859         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
9860         check_insn_for_givs, check_final_value, update_giv_derive,
9861         basic_induction_var, product_cheap_p, check_dbra_loop,
9862         loop_insn_first_p, last_use_this_basic_block,
9863         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
9864         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
9865         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
9866         sms_schedule_by_order): Likewise.
9867         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
9868         * postreload.c (reload_cse_simplify_operands, reload_combine,
9869         reload_cse_move2add): Likewise.
9870         * predict.c (can_predict_insn_p, estimate_probability,
9871         expected_value_to_br_prob, process_note_predictions): Likewise.
9872         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
9873         * profile.c (branch_prob): Likewise.
9874         * ra-build.c (live_out_1, livethrough_conflicts_bb,
9875         detect_webs_set_in_cond_jump): Likewise.
9876         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
9877         ra_print_rtl_with_bb): Likewise.
9878         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
9879         * recog.c (next_insn_tests_no_inequality, find_single_use,
9880         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
9881         * reg-stack.c (next_flags_user, record_label_references,
9882         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
9883         compensate_edge, convert_regs_1): Likewise.
9884         * regclass.c (scan_one_insn): Likewise.
9885         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
9886         regmove_optimize, fixup_match_1, single_set_for_csa,
9887         combine_stack_adjustments_for_block): Likewise.
9888         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
9889         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
9890         find_equiv_reg): Likewise.
9891         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
9892         reload_as_needed, emit_input_reload_insns, do_output_reload,
9893         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
9894         Likewise.
9895         * reorg.c (find_end_label, emit_delay_sequence,
9896         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
9897         get_jump_flags, rare_destination, mostly_true_jump,
9898         try_merge_delay_insns, redundant_insn, own_thread_p,
9899         fill_simple_delay_slots, fill_slots_from_thread,
9900         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
9901         dbr_schedule): Likewise.
9902         * resource.c (find_basic_block, next_insn_no_annul,
9903         find_dead_or_set_registers, mark_target_live_regs): Likewise.
9904         * rtl.h (RTX_PREV): Likewise.
9905         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
9906         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
9907         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
9908         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
9909         tablejump_p, computed_jump_p, insns_safe_to_move_p,
9910         find_first_parameter_load, can_hoist_insn_p): Likewise.
9911         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
9912         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
9913         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
9914         schedule_ebbs): Likewise.
9915         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
9916         is_conditionally_protected, can_schedule_ready_p,
9917         add_branch_dependences, debug_dependencies): Likewise.
9918         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
9919         Likewise.
9920         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
9921         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
9922         set_dominates_use, ujump_to_loop_cont): Likewise.
9923         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
9924         * varasm.c (output_constant_pool_1): Likewise.
9925
9926 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9927
9928         * tree-scalar-evolution.c: New file.
9929         * tree-scalar-evolution.h: New file.
9930         * tree-ssa-loop-niter.c: New file.
9931         * Makefile.in (SCEV_H): New.
9932         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
9933         * cfgloop.h (struct loop): Add bounds field.
9934         * tree-flow.h (struct tree_niter_desc): New type.
9935         (number_of_iterations_cond, number_of_iterations_exit,
9936         loop_niter_by_eval, find_loop_niter_by_eval,
9937         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
9938         free_numbers_of_iterations_estimates): Declare.
9939         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
9940         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
9941         * doc/invoke.texi (max-iterations-to-track): Document.
9942
9943 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
9944
9945         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
9946         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
9947         (MODE_AFTER): Add cast appropriately.
9948         * config/sh/sh.md (movdi splitter): Likewise.
9949         (casesi_worker_2): Add const qualifier appropriately.
9950         (eh_return): Remove unused variable.
9951         (insv): Initialize v;
9952
9953 2004-07-08  Richard Henderson  <rth@redhat.com>
9954
9955         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
9956         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9957         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
9958         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
9959         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
9960
9961         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
9962         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9963         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
9964         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
9965
9966         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
9967         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9968         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
9969         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
9970
9971         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
9972         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9973         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
9974         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
9975
9976         * config/i860/i860-protos.h (i860_va_arg): Remove.
9977         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9978         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
9979         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
9980
9981 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
9982
9983         * system.h: Prototype getpagesize if missing.
9984         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
9985         * configure: Regenerate.
9986         * config.in: Regenerate.
9987
9988 2004-07-08  Richard Henderson  <rth@redhat.com>
9989
9990         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
9991         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9992         (fr30_gimplify_va_arg_expr): New.
9993         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
9994         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
9995
9996 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
9997
9998         PR target/16414
9999         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
10000         of asm_noperands result.
10001
10002 2004-07-08  Richard Henderson  <rth@redhat.com>
10003
10004         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
10005         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10006         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
10007         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
10008
10009 2004-07-08  Richard Henderson  <rth@redhat.com>
10010
10011         * builtins.c (ind_gimplify_va_arg_expr): New.
10012         * tree.h (ind_gimplify_va_arg_expr): Declare.
10013         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
10014
10015 2004-07-08  Jan Beulich  <jbeulich@novell.com>
10016
10017         * expmed.c (extract_bit_field): Correct condition to use vec_extract
10018         patterns also on vector elements other than the first one.
10019         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
10020         break statements.
10021
10022 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
10023
10024         * config/rs6000/darwin-ldouble.c: Correct reference
10025         to the Linnainmaa paper.
10026
10027 2004-07-08  Richard Henderson  <rth@redhat.com>
10028
10029         * config/arc/arc-protos.h (arc_va_arg): Remove.
10030         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10031         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
10032         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
10033
10034         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
10035         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10036         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
10037         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
10038
10039 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10040
10041         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
10042
10043 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
10044
10045         * c-decl.c (static_ctors, static_dtors): Make static.
10046         (pop_file_scope): Call c_common_write_pch and
10047         cgraph_finalize_compilation_unit here.
10048         (build_cdtor): Moved here from c-objc-common.c; simplify.
10049         (c_write_global_declarations_1): Clarify comment.
10050         (c_write_global_declarations): Close the external scope before
10051         doing anything else.  Call build_cdtor, cgraph_optimize, and
10052         mudflap_finish_file here.
10053         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
10054         Clarify comment.
10055         * c-objc-common.c: No need to include cgraph.h.
10056         (build_cdtor): Moved to c-decl.c.
10057         (c_objc_common_finish_file): Delete.
10058         * c-tree.h: Update to match.
10059         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
10060         (generate_static_references): Set TREE_USED before calling finish_decl.
10061         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
10062         on the static_instances_decl.
10063
10064 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
10065
10066         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
10067         decls when there is only one input translation unit.
10068         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
10069         change of 2004-07-05; do not treat declarations with
10070         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
10071         * opts.c (cur_in_fname): Delete.
10072         * opts.h: Likewise.
10073         * tree.c: Revert changes of 2004-07-05; no special treatment
10074         for TRANSLATION_UNIT_DECLs.
10075         * Makefile.in (tree.o): Update dependencies.
10076
10077 2004-07-08  Roger Sayle  <roger@eyesopen.com>
10078
10079         * builtins.c (fold_builtin_strcpy): Merge functionality from
10080         simplify_builtin_strcpy.  Add additional len argument.  No longer
10081         static.  Remove function prototype.
10082         (fold_builtin_strncpy): Likewise integrate functionality from
10083         simplify_builtin_strncpy.  Add additional slen argument.  No
10084         longer static.  Remove function prototype.
10085         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
10086         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
10087         types of "ignore" and "unlocked" parameters to bool.
10088         (fold_builtin_1):  Add additional ignore argument.  Call renamed
10089         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
10090         builtins.  Update arguments to fold_builtin_strncpy and
10091         fold_builtin_strcpy.  Add function prototype.
10092         (fold_builtin): Add additional Boolean ignore argument to pass
10093         to fold_builtin_1.
10094         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
10095         and fold_builtin_strncpy instead of simplify_builtin_fputs,
10096         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
10097
10098         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
10099         simplify_builtin_strncpy): Delete function prototypes.
10100         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
10101         fold_builtin_strncpy): Add function prototypes here.
10102         (fold_builtin): Update function prototype with new "bool ignore".
10103
10104         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
10105         (ccp_fold_builtin):  Update call to fold_builtin.  Call
10106         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
10107         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
10108         simplify_builtin_strncpy respectively.
10109         * fold-const.c (fold): Update call to fold_builtin.
10110
10111 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
10112
10113         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
10114         to strcpy.
10115
10116         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
10117         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
10118         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
10119         * calls.c: Remove ifdefs of macros above.
10120         * functions.c: Likewise.
10121         * expr.c: Likewise.
10122
10123 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10124
10125         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
10126         (arch attribute): Delete.
10127         (current_function_calls_alloca attribute): Rename into calls_alloca.
10128         (calls_eh_return): New attribute.
10129         (leaf_function): Likewise.
10130         (length attribute): Fix formula for sibcalls.
10131         (return insn): Correctly compute the 'length' attribute.
10132         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
10133
10134 2004-07-08  Richard Henderson  <rth@redhat.com>
10135
10136         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
10137         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
10138         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
10139         * tree-eh.c (lower_eh_constructs_1): Likewise.
10140         * tree-sra.c (sra_walk_modify_expr): Likewise.
10141         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
10142         (eliminate_unnecessary_stmts): Likewise.
10143         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10144         * tree-tailcall.c (optimize_tail_call): Likewise.
10145         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
10146
10147 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
10148             Jakub Jelinek  <jakub@redhat.com>
10149
10150         * config/i386/i386.c (override_options): Enable
10151         SSE prefetches with -mtune, as long as we are
10152         compiling for i686 or higher.  All i686 processors
10153         accept SSE prefetches as NOPS, some i586's don't.
10154
10155 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10156
10157         PR target/10567
10158         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
10159
10160 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
10161
10162         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
10163         the handling of clobbering ASM_EXPRs.
10164
10165 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10166
10167         PR target/16430
10168         * config/sparc/sparc.c (function_value): In 64-bit mode,
10169         return the aggregates larger than 16 bytes like unions.
10170
10171 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10172
10173         PR target/16199
10174         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
10175         'temp' is zero, generate new pseudos as needed and emit the
10176         sequence of insns in single-assignment form.  Resync comments
10177         with code.
10178         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
10179         function before reload.
10180
10181 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
10182
10183         * vec.c (vec_assert_fail): Remove duplicate 'function'.
10184
10185         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
10186
10187         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
10188         Allocation is signed.
10189         (VEC_reserve): Return flag, allocation is signed.
10190
10191 2004-07-08  Richard Henderson  <rth@redhat.com>
10192
10193         * tree-ssa-ccp.c (fold_stmt): Get type directly from
10194         OBJ_TYPE_REF_OBJECT.
10195
10196 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
10197             Neil Booth  <neil@daikokuya.co.uk>
10198
10199         PR c/2511
10200         PR c/3325
10201         * c-decl.c (finish_struct): Ensure bit-fields are given the
10202         correct type.
10203         * c-common.c (c_common_signed_or_unsigned_type): For C, require
10204         the precision to match as well as the mode.
10205         * expr.c (reduce_to_bit_field_precision): New function.
10206         (expand_expr_real_1): Reduce expressions of bit-field type to
10207         proper precision.
10208         * langhooks.h (reduce_bit_field_operations): New hook.
10209         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
10210         Define.
10211         * c-lang.c, objc/objc-lang.c
10212         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
10213         * objc/objc-act.c (check_ivars): Convert types to bit-field types
10214         before checking.
10215         * tree.c (build_nonstandard_integer_type): New function.
10216         * tree.h (build_nonstandard_integer_type): New prototype.
10217         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
10218         conversions between integer and boolean types as useless.
10219
10220 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
10221
10222         * c-common.c (c_common_nodes_and_builtins): Do not
10223         create __builtin_ptrdiff_t and __builtin_size_t.
10224
10225 2004-07-08  Andrew Pinski  <apinski@apple.com>
10226
10227         * Makefile.in (libbackend.o): Add -combine to the gcc
10228         command line.
10229
10230 2004-07-08  Nick Clifton  <nickc@redhat.com>
10231
10232         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
10233         Set to -Os.
10234
10235 2004-07-08  Richard Henderson  <rth@redhat.com>
10236
10237         * except.c (expand_eh_region_start, expand_eh_region_end,
10238         expand_eh_handler, expand_eh_region_end_cleanup,
10239         expand_start_all_catch, expand_start_catch, expand_end_catch,
10240         expand_end_all_catch, expand_eh_region_end_allowed,
10241         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
10242         expand_eh_region_end_fixup): Remove.
10243         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
10244         cleanups, outer_cleanups, label_chain, exception_region.
10245         (struct goto_fixup): Remove stack_level, cleanup_list_list.
10246         (struct label_chain): Remove.
10247         (struct stmt_status): Remove x_stack_block_stack.
10248         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
10249         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
10250         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
10251         end_cleanup_deferral, last_cleanup_this_contour,
10252         containing_blocks_have_cleanups_or_stack_level,
10253         any_pending_cleanups): Remove.
10254         (expand_null_return_1): Take no arguments.
10255         (expand_label, expand_naked_return, expand_return,
10256         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
10257         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
10258         expand_end_case_type): Don't use any of them.
10259         * calls.c (expand_call): Likewise.
10260         * dojump.c (do_jump): Likewise.
10261         * function.c (expand_function_end): Likewise.
10262         * expr.c (store_expr, expand_expr_real_1): Likewise.
10263         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
10264         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
10265         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
10266         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
10267         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
10268         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
10269         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
10270         for WITH_CLEANUP_EXPR.
10271         (gimple_push_cleanup): Likewise.
10272         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
10273         * print-tree.c (print_node): Likewise.
10274         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
10275         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
10276         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
10277         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
10278         (GOTO_SUBROUTINE_EXPR): Remove.
10279         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
10280         (DECL_TOO_LATE): Remove.
10281         * except.h, tree.h: Update decls.
10282
10283 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
10284
10285         * explow.c (optimize_save_area_alloca): Do not accept parameters.
10286         * passes.c (rest_of_handle_final): Handle symout.
10287         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
10288         Push timevar here.
10289         (rest_of_handle_sched): Break out SMS.  Remove ifs for
10290         flag_schedule_insns and flag_modulo_sched.
10291         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
10292         collect at the end.
10293         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
10294         (rest_of_handle_partition_blocks, rest_of_handle_sms,
10295         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
10296         rest_of_handle_mode_switching, rest_of_handle_jump,
10297         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
10298         rest_of_handle_jump2, rest_of_handle_postreload,
10299         rest_of_handle_flow2, rest_of_clean_state,
10300         rest_of_handle_shorten_branches,
10301         rest_of_handle_prologue_epilogue,
10302         rest_of_handle_branch_target_load_optimize): New.
10303         (rest_of_compilation): Call the above.  Remove ggc_collect
10304         calls moved to rest_of_handle_*.
10305         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
10306
10307         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
10308         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
10309         * except.h (set_nothrow_function_flags): Update comment.
10310         * function.c (current_function_nothrow): Remove.
10311         * output.h (current_function_nothrow): Remove.
10312         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
10313         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
10314
10315 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10316
10317         PR bootstrap/16326
10318         * reorg.c: Revert 2004-06-30 change.
10319         (find_end_label): If HAVE_epilogue and !HAVE_return,
10320         return 0 instead of creating a label at the end of the insn chain.
10321         (optimize_skip): Account for the failure mode of find_end_label.
10322         (fill_simple_delay_slots): Likewise.
10323         (fill_slots_from_thread): Likewise.
10324         (relax_delay_slots): Likewise.
10325
10326 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
10327
10328         * tree-flow.h (addressable_vars): Declare.
10329         * tree-ssa-alias.c (addressable_vars): Define.
10330         (setup_pointers_and_addressables): Add addressable variables
10331         to addressable_vars.
10332         * tree-ssa-operands.c (get_stmt_operands): Move
10333         handling of ASM_EXPRs ...
10334         (get_asm_expr_operands): ... here.
10335         When the ASM_EXPR clobbers memory, also clobber addressable
10336         variables.
10337         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
10338         (delete_tree_ssa): Reset addressable_vars.
10339
10340 2004-07-07  Jan Beulich  <jbeulich@novell.com>
10341             Richard Henderson  <rth@redhat.com>
10342
10343         * varasm.c (assemble_variable): Use assemble_zeros for
10344         zero-initialized variables.
10345         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
10346         for SECCAT_BSS and SECCAT_TBSS.
10347
10348 2004-07-07  Jan Beulich  <jbeulich@novell.com>
10349
10350         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
10351
10352         * expmed.c (emit_store_flag): Also special-case double-word
10353         (in-)equality comparison against -1.
10354
10355         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
10356         passing arguments the containers for which are registers.
10357
10358         * calls.c (emit_library_call_value_1): Use mode of function parameter
10359         rather than that of argument since constants have none.
10360
10361 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
10362
10363         Introduce H8SX support.
10364         * expr.c (expand_strcpy): Renamed and moved to...
10365         * builtins.c (expand_movstr): ... here.  Tweak.
10366         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
10367         computed or has side effects.
10368         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
10369         unused, or if mempcpy fails.  Adjust the return value in the
10370         latter case.  Use movstr if everything else fails.
10371         * doc/md.texi (movstr): Document.
10372         (movmemM, clrmemM): Fix explanation of memory block operands.
10373         * config/h8300/h8300.md (stpcpy): Renamed to...
10374         (movstr): ... this.  Adjust.
10375         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
10376         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
10377         movmem* and clrstr* to clrmem*.
10378         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
10379         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
10380         GENERAL_REGS, always.
10381         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
10382         getting the stack pointer as addr.
10383         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
10384         from general_operand_dst.
10385         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
10386         variant of...
10387         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
10388         instead of requiring it to match only before reload.
10389         (stpcpy_internal_normal): New, normal-mode variant of...
10390         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
10391         `D' instead of requiring it to match only before reload.
10392         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
10393         mode argument.
10394         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
10395         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
10396         h8300_get_index.
10397         * config/h8300/h8300.md (attr type): Add call.
10398         (attr can_delay): If type is call, set it no.
10399         (call, call_value): Set type to call.
10400         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
10401         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
10402         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
10403         * tree.c (get_narrower): Don't narrow integral types into
10404         non-integral types.
10405         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
10406         frame_size *before* the first use.
10407         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
10408         on input.
10409         (peephole2): Don't widen instructions that push SP.  Move
10410         decrement of SP to the end of all stm-generating peepholes.
10411         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
10412         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
10413         and OR to set it to all ones.
10414         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
10415         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
10416         (call, call_value): Set can_delay to "no".
10417         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
10418         * config/h8300/h8300.md (extzv): Make subreg check more robust.
10419         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
10420         * config/h8300/h8300.md (*brabit): Remove.
10421         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
10422         zero_extract.  Use bit_memory_operand as the predicate for
10423         operand 1 and 'WU' as the constraint.  Check the difference
10424         between the base length and the final one when deciding which
10425         type of branch to use.
10426         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
10427         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
10428         Use convert_move to extend the result for TARGET_H8300SX.  Check
10429         for QImode memory references.  Optimize the case where the
10430         destination is a paradoxical subreg.
10431         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
10432         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
10433         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
10434         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
10435         * config/h8300/h8300.md: Include mova.md
10436         (length_table): Add mova and mova_zero.
10437         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
10438         after all constant addresses for '%R', '%X', '%T' and '%S'.
10439         (h8300_mova_length): New function.
10440         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
10441         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
10442         dependencies for s-config, etc.
10443         * config/h8300/gemova.sh: New file.
10444         * config/h8300/mova.md: Generated.
10445         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
10446         * config/h8300/h8300.c (h8300_bitfield_length): New.
10447         (nibble_operand): Adjust.
10448         (h8300_binary_length): Handle conditional binary op.
10449         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
10450         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
10451         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
10452         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
10453         constraints.  WU is introduced as a variant of U that requires a
10454         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
10455         * config/h8300/h8300.md (attr type): Added bitbranch.
10456         (attr length_table): Added bitfield and bitbranch.
10457         (attr length): Compute bitbranch length.
10458         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
10459         least-significant bit of a byte.
10460         (brabit, brabc, brabs): New.
10461         (insv, extzv): Emit bfst and bfld on H8300SX.
10462         (bfld, bfst, seq, sne): New.
10463         (bstzhireg, cmpstz, bstz, bistz): New.
10464         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
10465         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
10466         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
10467         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
10468         (h8sx_unary_memory_operator): New function.
10469         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
10470         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
10471         * config/h8300/h8300.md: Add peepholes to combine reloads and
10472         arithmetic insns.
10473         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
10474         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
10475         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
10476         (and?i, ior?i, xor?i): Likewise.
10477         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
10478         * config/h8300/h8300.c: Move enums and prototypes to head of file.
10479         Various whitespace fixes.
10480         (h8300_constant_length): New function, split out from...
10481         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
10482         (h8300_classify_operand): Use IN_RANGE.
10483         (h8300_classify_operand): Use h8300_constant_length.
10484         (h8300_short_move_mem_p): Tighten size check.
10485         (h8sx_mergeable_memrefs_p): Tighten equality check.
10486         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
10487         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
10488         for -msx.
10489         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
10490         * config/h8300/crtn.asm: Likewise.
10491         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
10492         if __H8300SX__ is defined.
10493         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
10494         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
10495         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
10496         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
10497         addresses as mode-dependent.
10498         * config/h8300/h8300.c (print_operand_address): Update call to
10499         h8300_get_index.
10500         (h8300_get_index): Take a mode argument.  Rework to fix an
10501         earlier misunderstanding.
10502         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
10503         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
10504         into a register if TARGET_H8300SX.
10505         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
10506         TARGET_H8300SX.  Also disable related define_splits.
10507         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
10508         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
10509         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
10510         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
10511         * config/h8300/h8300.h (OK_FOR_Z): New macro.
10512         (EXTRA_CONSTRAINT_STR): Check it.
10513         * config/h8300/h8300.c (h8300_classify_operand): Accept null
10514         class arguments.
10515         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
10516         * config/h8300/h8300.md (length_table): Add mov_imm4.
10517         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
10518         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
10519         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
10520         be a label.
10521         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
10522         * config/h8300/h8300.c (h8300_reorg): New function.
10523         (TARGET_MACHINE_DEPENDENT_REORG): Define.
10524         * config/h8300/h8300.md (length): Subtract the length of the
10525         delay slot from (pc) when checking the range of forward branches.
10526         (delay_slot, can_delay): New attributes.
10527         (define_delay): Add bra/s handling.
10528         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
10529         (jump): Add delayed-branch handling.
10530         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
10531         * expr.c (expand_strcpy): New function.
10532         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
10533         (expand_builtin_stpcpy): Likewise.
10534         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
10535         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
10536         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
10537         handling to improve register allocation for -fno-omit-frame-pointer.
10538         (h8sx_split_movmd): Delete, moving er6 handling into...
10539         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
10540         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
10541         (movmd): Add calls to copy_rtx.
10542         (movmd_internal): In the second alternative, allow the initial and
10543         final destination registers to be different .  Update the splitter
10544         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
10545         instead of h8sx_split_movmd.
10546         (stpcpy, movsd): New expanders.
10547         (movsd_internal): New define_insn.
10548         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
10549         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
10550         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
10551         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
10552         and DESTINATION_REGS.
10553         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
10554         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
10555         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
10556         (h8300_move_ratio): Declare.
10557         (MOVE_RATIO): Use it.
10558         * config/h8300/h8300.c (h8300_move_ratio): New variable.
10559         (h8300_init_once): Initialize it.
10560         (h8300_reg_class_from_letter): New function.
10561         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
10562         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
10563         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
10564         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
10565         (movstrsi, movmd): New expanders.
10566         (movmd_internal): New insn.
10567         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
10568         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
10569         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
10570         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
10571         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
10572         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
10573         * config/h8300/h8300.c (nibble_operand): Fix warning.
10574         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
10575         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
10576         (movsf_h8300h): Disable for TARGET_H8300SX.
10577         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
10578         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
10579         h8300_stm_parallel and h8300_return_parallel.
10580         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
10581         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
10582         h8300_stm_parallel, h8300_return_parallel): New functions.
10583         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
10584         if TARGET_H8300SX.  Use h8300_push_pop.
10585         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
10586         and final pop when generating h8sx code.  Always emit some form
10587         of return insn.
10588         * config/h8300/h8300.md: Don't enforce register alignment in
10589         stm peepholes if TARGET_H8300SX.
10590         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
10591         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
10592         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
10593         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
10594         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
10595         (MULTILIB_DIRNAMES): Add a directory for it.
10596         (MULTILIB_MATCHES): Delete.
10597         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
10598         * final.c (walk_alter_subreg): Handle addresses with subregs
10599         inside a ZERO_EXTEND or AND.
10600         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
10601         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
10602         if TARGET_H8300SX.
10603         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
10604         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
10605         @(dd,Rn.w) and @(dd,ERn.L).
10606         (h8300_displacement_size): Take the whole address as argument.
10607         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
10608         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
10609         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
10610         (h8sx_mergeable_memrefs_p): Declare.
10611         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
10612         (HAVE_PRE_INCREMENT): Likewise.
10613         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
10614         addresses for TARGET_H8300SX,
10615         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
10616         and POST_DEC.
10617         (movb_length_table, movl_length_table): New tables.
10618         (movw_length_table): Define to movb_length_table.
10619         (h8300_displacement_size): New, split out from...
10620         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
10621         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
10622         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
10623         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
10624         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
10625         (compute_plussi_length, compute_plussi_cc): Update accordingly.
10626         (h8sx_unary_shift_operator): Get the mode from the operator.
10627         (binary_shift_operator): Likewise.
10628         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
10629         a memory reference, check whether the reference is offsettable.
10630         (length_table): Add movb, movw and movl.
10631         (movqi): Add new h8sx pattern.  Don't force one operand to be a
10632         register when generating h8sx code.
10633         (movhi, movsi, movsf): Likewise.
10634         (movstrictqi): Use the length_table attribute.
10635         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
10636         (addqi3): Split into a define_expand and define_insn.  Don't accept
10637         memory operands in the expander.  Use h8300_operands_match_p to
10638         check for matching operands in the define_insn.
10639         (subqi3, negqi2, one_cmplqi2): Likewise.
10640         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
10641         in any patterns that are unused in h8sx code.  In the h8sx patterns,
10642         use h8300_operands_match_p to check whether operands match.
10643         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
10644         one_cmpl[hs]i3): Likewise.
10645         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
10646         in the expander.
10647         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
10648         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
10649         (h8300_insn_length_from_table): Add a second parameter.
10650         (output_h8sx_shift): Declare.
10651         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
10652         (EXTRA_CONSTRAINT): Replace with...
10653         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
10654         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
10655         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
10656         and h8sx_binary_shift_operator.
10657         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
10658         for TARGET_H8300SX.
10659         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
10660         (bit_memory_operand, fix_bit_operand): Likewise.
10661         (h8300_length_table_for_insn): Remove.
10662         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
10663         instructions.
10664         (h8300_short_immediate_length, h8300_binary_length): New functions.
10665         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
10666         (output_plussi): Use sub to add negative constants.
10667         (compute_plussi_length): Adjust accordingly.
10668         (h8sx_single_shift_type): New enum.
10669         (h8sx_single_shift, h8sx_unary_shift_operator,
10670         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
10671         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
10672         single h8sx instruction.  Return false in this case.
10673         * config/h8300/h8300.md (length_table): Add short_immediate.
10674         (length): Pass the operand array to h8300_insn_length_from_table.
10675         (adjust_length): Assume "no" for insns with a length_table attribute.
10676         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
10677         (*addhi3_h8300hs): Don't use for h8sx.
10678         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
10679         and sub.w #xx:3.
10680         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
10681         1's predicate to nonimmediate_operand.  Only skip default expansion
10682         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
10683         for single h8sx shift instructions.
10684         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
10685         * config/h8300/h8300.c (nibble_operand): Split out of...
10686         (reg_or_nibble_operand): ... this.
10687         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
10688         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
10689         umulhisi3): Introduce expand, and introduce separate insns for
10690         sign- or zero-extended REG and already-extended CONST_INT.
10691         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
10692         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
10693         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
10694         (subhi3): Likewise.  Don't accept immediates for operand 1.
10695         Remove the early clobber from second alternative of the h8300s pattern.
10696         (subsi3): Generalize for h8sx.  Force operand 2 into a register
10697         on plain h8300 targets.
10698         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
10699         (subsi3_h8300h): Generalize for h8sx.
10700         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
10701         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
10702         * config/h8300/h8300.c (reg_or_nibble_operand): New.
10703         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
10704         (TARGET_H8300SXMUL): New.
10705         (CONST_OK_FOR_P): New.
10706         (CONST_OK_FOR_LETTER_P): Adjust.
10707         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
10708         umulhisi3): Accept 4-bit immediate on H8SX.
10709         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
10710         (udivsi3, divhi3, udivsi3, divsi3): New.
10711         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
10712         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
10713         * config/h8300/h8300.h (OK_FOR_Q): New macro.
10714         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
10715         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
10716         Add ADDRESSOF to the bit_operand entry.
10717         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
10718         (h8300_src_operand): Likewise.
10719         (bit_operand): Check nonimmediate_operand rather than general_operand.
10720         Accept any nonimmediate_operand in h8sx code.
10721         (h8300_and_costs): Initialize operands[1].
10722         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
10723         (h8300_operand_class): New enum.
10724         (h8300_length_table): New typedef.
10725         (addb_length_table, addw_length_table, addl_length_table,
10726         logicl_length_table): New tables.
10727         (logicb_length_table, logicw_length_table): New macros.
10728         (h8300_classify_operand, h8300_length_from_table,
10729         h8300_length_table_for_insn, h8300_unary_length,
10730         h8300_insn_length_from_table): New functions.
10731         (output_plussi): Only use adds and subs for register destinations.
10732         Disable redundant clause.
10733         (compute_plussi_cc): Likewise.
10734         (compute_plussi_length): Likewise.  Use h8300_length_from_table
10735         to work out the length of an insn.
10736         (output_logical_op): Only use narrower immediate instructions
10737         if the destination is a register.
10738         (compute_logical_op_cc): Likewise.
10739         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
10740         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
10741         * config/h8300/h8300.md (length_table): New attribute.
10742         (length): When an instruction has a length_table attribute, use
10743         h8300_insn_length_from_table to calculate its default length.
10744         (cmpqi): Use h8300_dst_operand for the first operand and
10745         h8300_src_operand for the second.
10746         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
10747         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
10748         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
10749         iorsi3, xorhi3, xorsi3): Likewise.
10750         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
10751         so that it allows any combination of operands for TARGET_H8300SX.
10752         (iorqi3, xorqi3): Likewise.
10753         (cmpqi): Use the length_table attribute.
10754         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
10755         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
10756         (cmpqi): Add 'Q' constraint.
10757         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
10758         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
10759         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
10760         * config/h8300/h8300.h (MASK_H8300SX): New macro.
10761         (TARGET_H8300S): True for both -ms and -msx.
10762         (TARGET_H8300SX): New macro.
10763         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
10764         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
10765         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
10766         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
10767         [Temporary change.]
10768         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
10769         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
10770         16-bit pointers and 32-bit ints.
10771         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
10772         CONST_DOUBLE with mode no wider than SImode.
10773         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
10774         output operand.
10775         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
10776         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
10777         or SUBREG thereof.
10778         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
10779         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
10780         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
10781
10782 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
10783
10784         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
10785
10786 2004-07-07  Per Bothner  <per@bothner.com>
10787
10788         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
10789
10790 2004-07-07  Mike Stump  <mrs@apple.com>
10791
10792         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
10793         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
10794         (machopic_finish): Likewise.
10795
10796 2004-07-07  Richard Henderson  <rth@redhat.com>
10797
10798         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
10799         through any value-preserving cast.
10800
10801 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
10802
10803         * function.c (assign_parm_find_data_types): Call
10804         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
10805
10806 2004-07-07  Steven Bosscher  <stevenb@suse.de>
10807
10808         * tree-cfg.c (group_case_labels): Remove case labels that have
10809         the same target as the default case.
10810
10811 2004-07-07  Steven Bosscher  <stevenb@suse.de>
10812
10813         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
10814         regardless of DECL_LANG_SPECIFIC being present or not.
10815         * tree.h (DECL_NUM_STMTS): Purge.
10816
10817 2004-07-07  Andrew Pinski  <apinski@apple.com>
10818
10819         * configure: Regenerate with the right autoconf.
10820
10821 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
10822
10823         * ifcvt.c (total_bb_rtx_cost): New function.
10824         (find_if_case_1): Compare rtx_cost of basic block to cost of
10825         BRANCH_COST insns.
10826         (find_if_case_2): Same.
10827
10828 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
10829
10830         PR target/10567
10831         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
10832         (output_return): Likewise.
10833         (output_sibcall): Abort if !flag_delayed_branch.
10834         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
10835         (emit_and_preserve): New function.
10836         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
10837         indirect jump to the thunked-to function if !flag_delayed_branch.
10838         * config/sparc/sparc.md (delayed_branch): New attribute.
10839         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
10840         attribute to compute the length of the insn.
10841         (goto_handler_and_restore): Likewise.
10842
10843 2004-07-07  Andrew Pinski  <apinski@apple.com>
10844
10845         PR tree-optimization/15777
10846         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
10847
10848         * expr.c (expand_expr_real_1): Fix formating.
10849         BUFFER_REF and IN_EXPR are dead.
10850         * fold-const.c (non_lvalue): BUFFER_REF is dead.
10851         * tree-inline.c (estimate_num_insns_1): Likewise.
10852         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
10853         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
10854         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
10855
10856 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
10857
10858         * collect2.c (dump_file): Don't call cplus_demangle if
10859         HAVE_LD_DEMANGLE is defined.
10860         (main): Pass "--demangle" to ld if no_demangle is not 0 and
10861         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
10862         if HAVE_LD_DEMANGLE is defined.
10863
10864         * configure.ac (--with-demangler-in-ld): Added
10865         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
10866         --with-demangler-in-ld is used.
10867         * config.in: Regenerated.
10868         * configure: Likewise.
10869
10870 2004-07-07  Roger Sayle  <roger@eyesopen.com>
10871
10872         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
10873         for simple floating point operations "fp", double precision
10874         multiplication "dmul", and single and double precision division
10875         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
10876         (ppc630_cost): New table split from ppc620_cost, to distinguish
10877         differences in floating point latencies.
10878         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
10879         (rs6000_rtx_costs): Add support for single and double precision
10880         floating point addition, subtraction, multiplication, division,
10881         fused-multiply-add, fused-multiply-sub, negation, absolute value
10882         and negative absolute value.  Tweak MEM case to use prefered idiom.
10883
10884 2004-07-07  Richard Henderson  <rth@redhat.com>
10885
10886         * tree-flow-inline.h (may_propagate_copy): Move...
10887         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
10888         attempt to copy between types requiring conversion.
10889         * tree-flow.h (may_propagate_copy): Update decl.
10890         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
10891
10892 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
10893
10894         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
10895         from -mtune= option.
10896
10897 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
10898
10899         * builtins.c: Rename movstr*, except for movstrict*, to
10900         movmem* and clrstr* to clrmem*.
10901         * expr.c: Likewise.
10902         * expr.h: Likewise.
10903         * genopinit.c: Likewise.
10904         * integrate.c: Likewise.
10905         * local-alloc.c: Likewise.
10906         * optabs.c: Likewise.
10907         * optabs.h: Likewise.
10908         * config/alpha/alpha.h: Likewise.
10909         * config/alpha/alpha.md: Likewise.
10910         * config/arm/arm-protos.h: Likewise.
10911         * config/arm/arm.c: Likewise.
10912         * config/arm/arm.md: Likewise.
10913         * config/avr/avr.md: Likewise.
10914         * config/c4x/c4x.c: Likewise.
10915         * config/c4x/c4x.md: Likewise.
10916         * config/frv/frv.md: Likewise.
10917         * config/i386/i386-protos.h: Likewise.
10918         * config/i386/i386.c: Likewise.
10919         * config/i386/i386.h: Likewise.
10920         * config/i386/i386.md: Likewise.
10921         * config/i860/i860.c: Likewise.
10922         * config/i860/i860.md: Likewise.
10923         * config/ip2k/ip2k.md: Likewise.
10924         * config/ip2k/libgcc.S: Likewise.
10925         * config/ip2k/t-ip2k: Likewise.
10926         * config/m32r/m32r.c: Likewise.
10927         * config/m32r/m32r.md: Likewise.
10928         * config/mcore/mcore.md: Likewise.
10929         * config/mips/mips.c: Likewise.
10930         * config/mips/mips.md: Likewise.
10931         * config/ns32k/ns32k.c: Likewise.
10932         * config/ns32k/ns32k.h: Likewise.
10933         * config/ns32k/ns32k.md: Likewise.
10934         * config/pa/pa.c: Likewise.
10935         * config/pa/pa.md: Likewise.
10936         * config/pdp11/pdp11.h: Likewise.
10937         * config/pdp11/pdp11.md: Likewise.
10938         * config/rs6000/rs6000.c: Likewise.
10939         * config/rs6000/rs6000.md: Likewise.
10940         * config/s390/s390-protos.h: Likewise.
10941         * config/s390/s390.c: Likewise.
10942         * config/s390/s390.md: Likewise.
10943         * config/sh/lib1funcs.asm: Likewise.
10944         * config/sh/sh.c: Likewise.
10945         * config/sh/sh.md: Likewise.
10946         * config/sh/t-sh: Likewise.
10947         * config/sparc/sparc.h: Likewise.
10948         * config/vax/vax.md: Likewise.
10949         * config/xtensa/xtensa.c: Likewise.
10950         * config/xtensa/xtensa.md: Likewise.
10951         * doc/invoke.texi: Likewise.
10952         * doc/md.texi: Likewise.
10953         * doc/rtl.texi: Likewise.
10954
10955 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
10956
10957         PR target/16407
10958         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
10959         * config/mips/mips.c (mips_declare_common_object): New function,
10960         mostly split out from...
10961         (mips_output_aligned_decl_common): ...here.
10962         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
10963         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
10964         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
10965         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
10966
10967 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10968
10969         PR c/16392
10970         * function.c (assign_parms): Fix typo from previous change.
10971
10972 2004-07-07  Jason Merrill  <jason@redhat.com>
10973
10974         PR c++/15815
10975         * doc/extend.texi (C++ Interface): Correct information and
10976         discourage use.
10977
10978 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
10979
10980         PR target/16130
10981         PR target/16142
10982         PR target/16143
10983         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
10984         insn.
10985
10986 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
10987
10988         PR target/1679.
10989         * config/m32r/m32r.c (m32r_function_symbol): New function:
10990         Generate a symbol name RTX with the correct m32r specific flags
10991         set.
10992         (block_move_call): Use new function to generate correct symbol.
10993         * config/m32r/m32r-protos.h: Add prototype for new funcion.
10994         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
10995         function.
10996
10997 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
10998
10999         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
11000         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
11001         TYPE_BINFO_BASETYPE): Remove.
11002         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
11003         to ...
11004         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
11005         here.
11006         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
11007         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
11008         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
11009         (struct tree_binfo): Rename base_types to base_binfos.
11010         * alias.c (record_component_aliases): Adjust BINFO macros.
11011         * dbxout.c (dbxout_type): Likewise.
11012         * dwarf2out.c (gen_member_die): Likewise.
11013         * sdbout.c (sdbout_one_type): Likewise.
11014         * tree-dump.c (deque_and_dump): Likewise.
11015         * config/i386/i386.c (classify_argument,
11016         contains_128bit_aligned_vector_p): Likewise.
11017
11018 2004-07-07  Nick Clifton  <nickc@redhat.com>
11019
11020         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
11021         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
11022
11023 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
11024
11025         * vec.h: Fix the example use.
11026
11027 2004-07-06  Richard Henderson  <rth@redhat.com>
11028
11029         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
11030         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
11031         * tree-inline.c (copy_body_r, setup_one_parameter,
11032         initialize_inlined_parameters, expand_call_inline,
11033         declare_inline_vars): Don't check it.
11034         (expand_calls_inline): Remove old version, rename new version
11035         from gimple_expand_calls_inline.
11036         * tree-optimize.c (execute_gimple): Remove.
11037         (pass_gimple): Don't run anything.
11038
11039 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
11040
11041         * doc/sourcebuild.texi: Use semicolons instead of commas in
11042         section title.
11043
11044 2004-07-06  Richard Henderson  <rth@redhat.com>
11045
11046         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
11047         (sra_walk_modify_expr, scan_init): Likewise.
11048         (generate_element_zero): Check visited before scanning children.
11049         (generate_element_init): Set visited on error.
11050         (scalarize_init): Handle generate_element_init failure similar
11051         to use_block_copy.
11052
11053 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
11054
11055         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
11056         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
11057
11058 2004-07-06  Richard Henderson  <rth@redhat.com>
11059
11060         * config/i386/i386.c (legitimize_pic_address): Make static.
11061         (legitimize_address): Handle CONST with TLS operand.
11062         (ix86_expand_move): Don't call legitimize_pic_address directly.
11063         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
11064
11065 2004-07-06  Roger Sayle  <roger@eyesopen.com>
11066
11067         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
11068         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
11069         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
11070         is currently executed unconditionally, i.e. not in "else_bb".
11071
11072 2004-07-06  Steven Bosscher  <stevenb@suse.de>
11073
11074         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
11075         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11076         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
11077         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11078         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
11079         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11080         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
11081         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11082         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
11083         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11084         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
11085         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11086         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
11087         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11088         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
11089         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11090
11091 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
11092
11093         * dojump.c (do_jump): REFERENCE_EXPR is dead.
11094         * expr.c (expand_expr_real_1): Ditto.
11095         * tree-inline.c (estimate_num_insns_1): Ditto.
11096         * tree-pretty-print.c (dump_generic_node): Ditto.
11097         (op_symbol): Ditto.
11098         * tree.def: Ditto.
11099
11100 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
11101
11102         * tree-ssa-pre.c (reference_node_pool): New pool.
11103         (find_or_generate_expression): Class 'r' is okay too.
11104         (create_value_expr_from): Ditto.
11105         (add_to_sets): LHS should not include vuses.
11106         (eliminate): Ditto.
11107         (compute_avail): Reverse ordering of tests.
11108         Valuize INDIRECT_REF as well.
11109
11110 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
11111
11112         PR rtl-optimization/16380
11113         * loop.c (check_dbra_loop): Sink comparison instructions if they
11114         do something other than set cc0.
11115
11116 2004-07-06  James E Wilson  <wilson@specifixinc.com>
11117
11118         * doc/interface.texi (longjmp and automatic variables): Delete
11119         paragraph recommending taking the address of a variable.
11120
11121 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
11122
11123         * vec.h (VEC_embedded_alloc): Remove.
11124         (VEC_embedded_size, VEC_embedded_init): New.
11125         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
11126         MEM_STAT_INFO.
11127         (VEC_truncate): New.
11128         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
11129         (vec_embedded_alloc): Remove.
11130         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
11131         (vec_embedded_alloc): Remove.
11132
11133 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
11134
11135         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
11136         (gt-langhooks.h): Remove.
11137
11138 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
11139
11140         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
11141
11142 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
11143
11144         * config/sparc/sparc.c (get_pc_symbol): Rename into
11145         add_pc_to_pic_symbol.
11146         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
11147         (load_pic_register): Account for previous changes.
11148         Use reg_names.  Don't create the label twice.
11149         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
11150         UNSPEC_LOAD_PCREL_SYM.
11151         (get_pc): Rename into load_pcrel_sym.  Add predicate to
11152         operands.  Remove condition.
11153
11154 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
11155
11156         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
11157         RECORD, UNION & QUAL_UNION is actually a binfo.
11158
11159         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
11160         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
11161         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
11162         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
11163         * dwarf2out.c (add_data_member_location_attribute): Likewise.
11164         (gen_inheritance_die): Likewise.
11165         * tree-dump.c (deque_and_dump): Likewise.
11166         * doc/c-tree.texi (Binfos): Add under reconstruction note.
11167
11168 2004-07-06  Steven Bosscher  <stevenb@suse.de>
11169
11170         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
11171         Define.
11172         * config/mcore/mcore.md: Model memory latency with a simple DFA
11173         pipeline description instead of a define_function_unit.
11174
11175 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11176
11177         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
11178         * langhooks.h (var_mod_type_p): Likewise.
11179         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
11180         * expr.c (count_type_elements): Properly handle return from
11181         array_type_nelts and properly test for overflow.
11182         * gimplify.c (gimplify_init_constructor): Properly handle return
11183         from array_type_nelts.
11184         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
11185         * integrate.c (copy_decl_for_inlining): Correct comments.
11186         * tree-inline.c (remap_decl): Update comments, remove dead code,
11187         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
11188         (remap_type): Only remap if variably modified by vars in function
11189         being inlined.
11190         (copy_body_r): Use compatible_type langhooks to see when can fold.
11191         (setup_one_parameter): Don't remap type.
11192         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
11193         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
11194         compute TREE_INVARIANT for decl case.
11195         (find_var_from_fn): New function.
11196         (variably_modified_type_p): Add arg and call new function.
11197         * tree.h (variably_modified_type_p): Add extra arg.
11198
11199 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
11200
11201         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
11202         (goto_handler_and_restore_v9): Delete disabled insn.
11203         (goto_handler_and_restore_v9_sp64): Likewise.
11204
11205 2004-07-05  Roger Sayle  <roger@eyesopen.com>
11206
11207         * calls.c (load_register_parameters): Call expand_shift instead
11208         of expand_binop with ashl_optab (or other shift optab) directly.
11209         * expr.c (emit_group_load, emit_group_store): Likewise.
11210         * function.c (assign_parm_setup_block): Likewise.
11211         * stmt.c (shift_return_value): Likewise.
11212
11213 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
11214
11215         * expr.c (expand_assignment): Disable the bitfield += optimizations.
11216
11217 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
11218
11219         * doc/sourcebuild.texi: Revert previous patch.
11220
11221 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
11222
11223         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
11224         TARGET_MEM_FUNCTIONS.
11225         * system.h: Poison TARGET_MEM_FUNCTIONS.
11226         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
11227         bcmp_libfunc, bzero_libfunc): Remove.
11228         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
11229         bzero_libfunc.
11230         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
11231         * doc/standards.texi: Don't mention calling BSD string functions.
11232         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
11233         * config/vax/t-memfuncs: New.
11234         * config/memcmp.c, config/memcpy.c, config/memmove.c,
11235         config/memset.c: New.
11236         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
11237         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
11238         vax/t-memfuncs.
11239         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
11240         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
11241         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
11242         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
11243         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
11244         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
11245         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
11246         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
11247         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
11248         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
11249
11250 2004-07-05  Richard Henderson  <rth@redhat.com>
11251
11252         * function.c (assign_parm_setup_reg): Properly rename variables in
11253         FUNCTION_ARG_CALLEE_COPIES section.
11254
11255 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
11256
11257         * tree-mudflap.c: Include cgraph.h.
11258         (mf_init_extern_trees): Rename to mudflap_init.  Export.
11259         Rewrite to create synthetic declarations instead of looking
11260         up declarations from mf-runtime.h.
11261         (mf_make_builtin, mf_make_cache_struct_type): New functions.
11262         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
11263         Correct commentary.
11264         (execute_mudflap_function_decls, mudflap_register_call):
11265         Don't call mf_init_extern_trees.
11266         (mudflap_finish_file): Use cgraph_build_static_cdtor.
11267
11268         * tree-mudflap.h: Update prototypes.
11269         * c-mudflap.c: Delete file.
11270         * c-common.c: Include tree-mudflap.h.
11271         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
11272         * Makefile.in: Remove all references to c-mudflap.o.
11273         Update dependencies.
11274
11275 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11276
11277         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
11278         displacements with the spatial-locality cache-control completer.
11279
11280 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
11281
11282         * langhooks.c: Don't include gt-langhooks.h.
11283         (var_labelno): Delete.
11284         (lhd_set_decl_assembler_name): Do not append a distinguishing
11285         number to file-scope internal-linkage declarations for the first
11286         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
11287         the declaration itself (if at block scope), or its containing
11288         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
11289         number.
11290
11291         * opts.c (cur_in_fname): New global.
11292         * opts.h: Declare it.
11293         * tree.c: Include opts.h.
11294         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
11295         DECL_UID equal to cur_in_fname.
11296         (copy_node_stat): Do not change DECL_UID when copying a
11297         TRANSLATION_UNIT_DECL.
11298         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
11299         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
11300
11301         * c-decl.c (c_static_assembler_name): Delete.
11302         * c-tree.h (c_static_assembler_name): Delete prototype.
11303         * c-lang.c, objc/objc-lang.c: Don't override
11304         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
11305
11306         * Makefile.in (tree.o): Update dependencies.
11307         (GTFILES): Remove langhooks.c.
11308
11309 2004-07-05  Roger Sayle  <roger@eyesopen.com>
11310
11311         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
11312         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
11313         Normalize "X % C" as "X % -C" for signed modulus and negative C.
11314         Optimize "X % -Y" as "X % Y" for signed modulus.
11315         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
11316         into "((unsigned) X % Y) == 0".
11317
11318 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
11319
11320         * sourcebuild.texi (Config Fragments): Use @comma{} in
11321         cross-reference to section title.
11322
11323 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11324
11325         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
11326         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
11327         (gimplify_target_expr, gimplify_expr): Likewise.
11328         (copy_if_shared_r): No longer need special case for BIND_EXPR.
11329         (unshare_body, unvisit_body): Only look at nested if BODY_P is
11330         whole function.
11331         (gimplify_compound_lval): See if we can strip any useless conversion.
11332         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
11333         from RHS, not LHS.
11334         (gimplify_modify_expr_to_memset): Likewise.
11335         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
11336         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
11337         (declare_inline_vars): Likewise.
11338         (walk_type_fields): New function.
11339         (walk_tree): Use it.
11340         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
11341
11342         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
11343         (sra_walk_modify_expr): Allow init function to fail.
11344         (scan_init): Now returns bool.
11345         (generate_element_init): If can't understand INIT, return false.
11346         (scalarize_init): Return false if generate_element_init does.
11347
11348         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
11349         print bounds.
11350
11351         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
11352         bounds if bounds aren't constant.
11353
11354         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
11355
11356         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
11357         to type hooks; remove bogus PARAMS.
11358
11359 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
11360
11361         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
11362         * dwarf2out.c (add_data_member_location_attribute): Check for
11363         TREE_BINFO.
11364         * tree.c (tree_node_kinds): Add "binfos".
11365         (binfo_lang_slots): New.
11366         (make_node_stat): Add TREE_BINFO.
11367         (make_tree_binfo_stat): New.
11368         (tree_node_structure): Add TREE_BINFO.
11369         * tree.def (TREE_BINFO): New.
11370         * tree.h (REC_OR_UNION_CHECK): Rename to ...
11371         (RECORD_OR_UNION_CHECK): ... here.
11372         (NOT_RECORD_OR_UNION_CHECK): New.
11373         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
11374         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
11375         RECORD_OR_UNION_CHECK.
11376         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
11377         (TYPE_LANG_SLOT_1): New.
11378         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
11379         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
11380         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
11381         (BINFO_ELTS): Remove.
11382         (BINFO_LANG_SLOT): New.
11383         (struct tree_binfo): New.
11384         (binfo_lang_slots): Declare.
11385         (enum tree_node_structure_enum): Add TS_BINFO.
11386         (union tree_node): Add binfo.
11387         (make_tree_binfo_stat): Declare.
11388         (make_tree_binfo): New.
11389         (enum tree_node_kind): Add binfo_kind.
11390
11391         * objc/objc-act.c (start_class, objc_declare_protocols,
11392         start_protocols): Use TYPE_LANG_SLOT_1.
11393         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
11394         to ...
11395         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
11396         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
11397         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
11398         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
11399
11400 2004-07-05  Steven Bosscher  <stevenb@suse.de>
11401
11402         * rtl.h (struct rtx_def): Remove the integrated flag.
11403         Use the return_val flag for MEM_SCALAR_P.
11404         Reshuffle and update flags in CLEAR_RTX_FLAGS.
11405
11406 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
11407
11408         PR target/16357
11409         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
11410         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
11411         move_by_pieces.
11412
11413 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
11414
11415         * var-tracking.c: Fix some comments.
11416         (frame_stack_adjust): New.
11417         (vt_stack_adjustments): Init stack_adjust of entry block to
11418         minus stack adjustment of function prologue.
11419         (adjust_stack_reference): Do not adjust if adjustment == 0.
11420         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
11421         (emit_notes_in_bb): Likewise.
11422         (vt_add_function_parameters): Do not adjust locations of
11423         function arguments.
11424         (vt_initialize): Compute the stack adjustment of function
11425         prologue and offset the initial "location" of frame_base_decl
11426         from the stack pointer after prologue.
11427
11428 2004-07-04  Richard Henderson  <rth@redhat.com>
11429
11430         * function.c (struct assign_parm_data_all): New.
11431         (struct assign_parm_data_one): New.
11432         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
11433         assign_parm_find_data_types, assign_parms_setup_varargs,
11434         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
11435         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
11436         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
11437         assign_parm_setup_block, assign_parm_setup_reg,
11438         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
11439         (assign_parms): ... here.
11440
11441 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
11442
11443         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
11444         now are bitmap_set_t's.
11445         (bitmap_insert_into_set): No point in inserting the value if
11446         it's invariant.
11447         (bitmap_set_contains): New function.
11448         (bitmap_set_replace_value): Add comment on why we do it
11449         this way.
11450         (set_contains): Removed.
11451         (bitmap_set_subtract_from_value_set): New name of
11452         set_subtract now that it's arguments are two different
11453         types of sets.
11454         Update callers.
11455         (bitmap_find_leader): Change algorithm used.
11456         (find_or_generate_expression): Update use of functions for new
11457         bitmap sets.
11458         (create_expression_by_pieces): Ditto.
11459         (insert_aux): Ditto.
11460         (insert): Ditto.
11461         (add_to_sets): Ditto.
11462         (init_pre): Ditto.
11463         (execute_pre): Ditto.
11464         (compute_avail): Ditto.
11465         Also ignore virtual phis.
11466
11467 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
11468
11469         * combine.c (simplify_comparison): Fix comment typo.
11470
11471 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
11472
11473         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
11474         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
11475         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
11476         (output_restore): Change parameter from 'insn' to 'pat'.
11477         (output_return): Adjust call to output_restore.
11478         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
11479         Adjust call to output_restore.
11480
11481 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
11482
11483         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
11484         and assert system is bsd.
11485
11486 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
11487
11488         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
11489         (TARGET_SWITCHES): Remove -mdebugc.
11490         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
11491         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
11492         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
11493         (sle_[sd]i_reg): Delete.
11494
11495 2004-07-04  Steven Bosscher  <stevenb@suse.de>
11496
11497         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
11498         Define.
11499         * config/iq2000/iq2000.md: Translate old pipeline description to an
11500         equivalent new one.
11501
11502 2004-07-04  Roger Sayle  <roger@eyesopen.com>
11503
11504         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
11505         Ensure the replacement rhs is valid gimple before performing
11506         the substitution.  Return false if these sanity checks fail.
11507         (fold_stmt): Only set changed to true, if set_rhs returns true.
11508         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
11509         succeeds.
11510
11511 2004-07-04  Richard Henderson  <rth@redhat.com>
11512
11513         PR c/16348
11514         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
11515
11516 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
11517
11518         * configure.ac (ranlib_flags): New variable.
11519         * Makefile.in (RANLIB_FLAGS): New variable.
11520         (libbackend.a): Use it.
11521         * configure: Regenerated.
11522
11523 2004-07-04  Roger Sayle  <roger@eyesopen.com>
11524
11525         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
11526         a "sign mask" instead of using ashr_optab directly.
11527
11528 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
11529
11530         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
11531         * doc/cppopts.texi: Clarify processing of command-line defines.
11532
11533 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
11534
11535         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
11536
11537 2004-07-04  Richard Henderson  <rth@redhat.com>
11538
11539         * rtl.def (ADDRESSOF): Remove.
11540         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
11541         (find_base_term, memrefs_conflict_p): Likewise.
11542         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
11543         (fold_rtx, cse_insn, set_live_p): Likewise.
11544         * dwarf2out.c (mem_loc_descriptor): Likewise.
11545         (add_location_or_const_value_attribute): Likewise.
11546         * emit-rtl.c (copy_insn_1): Likewise.
11547         * explow.c (memory_address): Likewise.
11548         * expmed.c (store_split_bit_field): Likewise.
11549         * expr.c (expand_expr_real_1): Likewise.
11550         * function.c (instantiate_decl
11551         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
11552         * genrecog.c (preds, validate_pattern): Likewise.
11553         * integrate.c (copy_rtx_and_substitute): Likewise.
11554         * recog.c (general_operand, register_operand): Likewise.
11555         (memory_address_p): Likwise.
11556         * reload1.c (eliminate_regs, elimination_effects): Likewise.
11557         * rtl.c (copy_rtx): Likewise.
11558         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
11559         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
11560         * rtlhooks.c (gen_lowpart_general): Likewise.
11561         * stmt.c (expand_asm_operands): Likewise.
11562         * web.c (entry_register, replace_ref, web_main): Likewise.
11563         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
11564         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
11565         * config/arm/arm.c (thumb_rtx_costs): Likewise.
11566         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
11567         * config/frv/frv.c (move_destination_operand, move_source_operand,
11568         condexec_dest_operand, condexec_source_operand,
11569         condexec_memory_operand): Likewise.
11570         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
11571         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
11572         (destination_xfmode_operand): Likewise.
11573         * config/mips/mips.h (PREDICATE_CODES): Likewise.
11574         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
11575         * config/s390/s390.c (general_s_operand): Likewise.
11576         * config/s390/s390.md (mov*): Likewise.
11577         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
11578
11579         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
11580         * expr.c (expand_expr_real_1): Likewise.
11581         * stmt.c (expand_decl): Likewise.
11582         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
11583
11584         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
11585         postponed_insns, put_var_into_stack, put_reg_into_stack,
11586         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
11587         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
11588         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
11589         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
11590         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
11591         purge_bitfield_addressof_replacements, purge_addressof_replacements,
11592         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
11593         struct insns_for_mem_walk_info, insns_for_mem_walk,
11594         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
11595         setjmp_protect_args): Remove.
11596         (push_function_context_to): Don't handle var_refs_queue.
11597         (pop_function_context_from, free_after_compilation): Likewise.
11598         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
11599         (assign_parms, allocate_struct_function): Likewise.
11600         (use_register_for_decl): New.
11601         (expand_function_end): Don't setjmp_protect.
11602         * function.h (struct emit_status): Update commentary.
11603         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
11604         (max_parm_reg, parm_reg_stack_loc): Remove.
11605         * passes.c (DFI_addressof): Remove.
11606         (dump_file_info): Remove addressof.
11607         (rest_of_handle_addressof): Remove.
11608         (rest_of_compilation): Don't call it.
11609         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
11610         * stmt.c (expand_decl): Use use_register_for_decl.
11611         * tree.h: Update decls.
11612         * web.c (mark_addressof): Remove.
11613         * doc/invoke.texi (-dF): Remove.
11614
11615 2004-07-03  Richard Henderson  <rth@redhat.com>
11616
11617         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
11618         instead of gen_mem_addressof.
11619         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
11620         TImode output register.
11621
11622 2004-07-03  Richard Henderson  <rth@redhat.com>
11623
11624         PR tree-optimization/16341
11625         * tree-sra.c (sra_walk_function): Increment to next stmt before
11626         processing the current stmt.
11627         (sra_insert_after): Always use BSI_SAME_STMT.
11628
11629 2004-07-03  Richard Henderson  <rth@redhat.com>
11630
11631         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
11632         fp plus with minus.
11633
11634 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
11635
11636         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
11637         with tree_int_cst_equal.
11638
11639 2004-07-03  Andreas Schwab  <schwab@suse.de>
11640
11641         * config/ia64/ia64.md: Define new attribute "empty".
11642         (prologue_use, nop_x, insn_group_barrier): Set it.
11643
11644         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
11645         skip over "empty" insns.
11646
11647 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11648
11649         * tree-inline.c (initialize_inlined_parameters): Pass proper function
11650         context to gimplify_body.
11651         (walk_tree): Don't walk into types twice.
11652         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
11653
11654         * tree-sra.c (generate_element_init): Remove any useless conversions.
11655
11656         * gimplify.c (gimplify_conversion): Remove stripping useless
11657         conversions from here.
11658         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
11659         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
11660         Unshare before substituting PLACEHOLDER_EXPR.
11661         (gimplify_modify_expr_to_memset): Likewise.
11662         Pass address of TO to memset, not TO itself.
11663         (gimplify_init_constructor): Make copy of OBJECT so we have it each
11664         time we make an expression (to match a PLACEHOLDER_EXPR).
11665
11666         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
11667         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
11668         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
11669         * tree-ssa-dom.c (local_fold): Likewise.
11670
11671         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
11672         * langhooks.h (strct lang_hooks): New field type_max_size.
11673         * function.c (assign_temp): Call it.
11674
11675 2004-07-03  Steven Bosscher  <stevenb@suse.de>
11676
11677         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
11678         * config/sh/sh.md: Convert the SH1 pipeline description to
11679         a DFA model.
11680
11681 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
11682
11683         * c-decl.c (struct c_binding): Remove contour field; add
11684         depth, invisible, nested fields.
11685         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
11686         (B_IN_EXTERNAL_SCOPE): New convenience macros.
11687         (bind): Add invisible and nested arguments. Initialize
11688         new fields of struct c_binding; adjust loop scanning for
11689         insertion point.
11690         (free_binding_and_advance): Clear structure with memset.
11691         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
11692         in file scope, even if it's in external scope too.
11693         (pushdecl): Adjust to match.  Create invisible file-scope
11694         declarations for block-scope forward declarations of static functions.
11695         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
11696         (undeclared_variable, lookup_label, declare_label, define_label)
11697         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
11698         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
11699         (store_parm_decls_oldstyle): Adjust to match.
11700         (diagnose_mismatched_decls): Correct handling of linkage clashes.
11701         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
11702
11703         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
11704         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
11705
11706 2004-07-02  Richard Henderson  <rth@redhat.com>
11707
11708         * c-decl.c (grokdeclarator): Don't frob current_function_decl
11709         around variable_size.
11710         (set_decl_nonlocal): Remove.
11711         (store_parm_decls): Add stmts for pending sizes.
11712         * calls.c (calls_function, calls_function_1): Remove.
11713         (precompute_arguments): Don't call it.
11714         * cfgexpand.c (set_save_expr_context): Remove.
11715         (tree_expand_cfg): Don't call it.
11716         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
11717         (dwarf2out_finish): Likewise.
11718         * expr.c (emit_block_move): Adjust addresses to BLKmode.
11719         (store_constructor): Don't pre-evaluate SAVE_EXPR.
11720         (safe_from_p): Don't queue SAVE_EXPRs.
11721         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
11722         or build plain VAR_DECLs.
11723         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
11724         (fold): Likewise.
11725         (fold_checksum_tree): Don't special-case SAVE_EXPR.
11726         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
11727         (put_var_into_stack): Don't handle SAVE_EXPR.
11728         (gen_mem_addressof): Likewise.
11729         * function.h (struct function): Remove x_save_expr_regs.
11730         (save_expr_regs): Remove.
11731         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
11732         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
11733         * stor-layout.c (variable_size): Don't set it.
11734         (force_type_save_exprs, force_type_save_exprs_1): Remove.
11735         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
11736         all callers.  Don't set SAVE_EXPR_CONTEXT.
11737         * tree-inline.h (remap_save_expr): Update decl.
11738         * tree.c (save_expr): Update build size.
11739         (first_rtl_op): Don't handle SAVE_EXPR.
11740         (unsave_expr_1, contains_placeholder_p): Likewise.
11741         (decl_function_context): Likewise.
11742         * tree.def (SAVE_EXPR): Remove args 1 and 2.
11743         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
11744         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
11745
11746 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
11747
11748         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
11749         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
11750         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
11751         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
11752         some first-person references and patronizing comments.  Based on
11753         printed manual.
11754         * doc/invoke.texi: Don't reference fortran@gnu.org.
11755         * doc/trouble.texi (Warning when a non-void function value is
11756         ignored): Rewrite.  From Russ Allbery and Chris Devers.
11757
11758 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
11759
11760         * tree-ssa-pre.c (bitmap_set_t): New.
11761         (bb_value_sets): avail_out is now a bitmap_set_t.
11762         (bitmap_find_leader): New function.
11763         (bitmap_value_insert_into_set): Ditto.
11764         (bitmap_set_copy): Ditto.
11765         (bitmap_value_replace_in_set): Ditto.
11766         (bitmap_set_contains_value): Ditto.
11767         (bitmap_set_new): Ditto.
11768         (bitmap_set_pool): New pool.
11769         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
11770         (insert_aux): Ditto.
11771         (add_to_sets): Ditto.
11772         (compute_avail): Ditto
11773         (eliminate): Ditto.
11774         (init_pre): Ditto.
11775         (fini_pre): Ditto.
11776         (execute_pre): Ditto.
11777
11778 2004-07-02  Roger Sayle  <roger@eyesopen.com>
11779
11780         * config/rs6000/rs6000.c (struct processor_costs): New structure
11781         used to hold instruction latencies/sizes for processor types.
11782         (rs6000_cost): New global variable pointing to current CPU's costs.
11783         (rs6000_override_options): Initialize rs6000_cost to point to the
11784         appropriate cost table based upon rs6000_cpu and optimize_size.
11785         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
11786         timings inline.
11787
11788 2004-07-02  Richard Henderson  <rth@redhat.com>
11789
11790         * expmed.c (make_tree): Don't use SET_DECL_RTL.
11791
11792 2004-07-02  Steven Bosscher  <stevenb@suse.de>
11793
11794         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
11795
11796 2004-07-01  Richard Henderson  <rth@redhat.com>
11797
11798         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
11799         (alpha_gp_save_rtx): Use assign_stack_local instead of
11800         gen_mem_addressof.
11801
11802 2004-07-01  Richard Henderson  <rth@redhat.com>
11803
11804         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
11805         (alpha_rtx_cost_data): Update to match.
11806         (alpha_rtx_cost_size): New.
11807         (alpha_rtx_costs): Honor optimize_size.
11808
11809 2004-07-01  Richard Henderson  <rth@redhat.com>
11810
11811         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
11812         * cfgexpand.c (tree_expand_cfg): Do it here.
11813         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
11814         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
11815         * config/mips/mips.c (mips_output_mi_thunk): And here.
11816         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
11817         * config/sh/sh.c (sh_output_mi_thunk): And here.
11818         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
11819
11820 2004-07-01  Richard Henderson  <rth@redhat.com>
11821
11822         * tree.def (RTL_EXPR): Remove.
11823         * c-typeck.c (lvalue_p): Don't handle it.
11824         * expr.c (safe_from_p): Likewise.
11825         (expand_expr_real_1): Likewise.
11826         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
11827         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
11828         * gengtype.c (adjust_field_tree_exp): Likewise.
11829         * stmt.c (warn_if_unused_value): Likewise.
11830         * tree-gimple.c (recalculate_side_effects): Likewise.
11831         * tree-pretty-print.c (dump_generic_node): Likewise.
11832         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
11833         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
11834         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
11835
11836         * stmt.c (struct stmt_status): Remove x_last_expr_type,
11837         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
11838         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
11839         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
11840         all the bits that tracked last_expr.
11841         (expand_end_bindings): Don't track last_expr.
11842         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
11843         (clear_last_expr): Remove.
11844         (expand_asm): Don't call it.
11845         (expand_asm_operands, expand_end_cond): Likewise.
11846         (expand_naked_return, expand_null_return_1): Likewise.
11847         * c-typeck.c (c_begin_compound_stmt): Likewise.
11848         * cfgexpand.c (expand_block): Use expand_expr_stmt.
11849         * expr.c (expand_expr_real_1): Likewise.
11850         * tree.h: Update prototypes.
11851
11852         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
11853         (struct emit_status): Remove sequence_rtl_expr.
11854         (struct function): Remove x_rtl_expr_chain.
11855         (seq_rtl_expr, rtl_expr_chain): Remove.
11856         * function.c (struct temp_slot): Remove rtl_expr.
11857         (assign_stack_temp_for_type): Don't set it.
11858         (free_temp_slots, pop_temp_slots): Don't check it.
11859         (free_after_compilation): Don't clear x_rtl_expr_chain.
11860         (fixup_var_refs): Don't search it.
11861         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
11862         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
11863         or seq_rtl_expr.
11864         (push_topmost_sequence): Likewise.
11865         (end_sequence, init_emit): Likewise.
11866         (start_sequence_for_rtl_expr): Remove.
11867         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
11868         * rtl.h (preserve_rtl_expr_result): Remove.
11869
11870 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
11871
11872         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
11873         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
11874         typos.
11875
11876 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
11877
11878         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
11879         (STANDARD_STARTFILE_PREFIX_2): Define.
11880         (standard_startfile_prefix_1): Initialize to
11881         STANDARD_STARTFILE_PREFIX_1.
11882         (standard_startfile_prefix_2): Initialize to
11883         STANDARD_STARTFILE_PREFIX_2.
11884         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
11885         (STANDARD_STARTFILE_PREFIX_1): Define.
11886         (STANDARD_STARTFILE_PREFIX_2): Define.
11887         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
11888         (STANDARD_STARTFILE_PREFIX_2): Document.
11889
11890 2004-07-01  Richard Henderson  <rth@redhat.com>
11891
11892         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
11893         in order to disable scalarization.  Instead set a flag and wait
11894         for a candidate decl.
11895
11896 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
11897
11898         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
11899         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
11900         Use terminology "testsuite" and "enumerated".
11901
11902 2004-07-01  Richard Henderson  <rth@redhat.com>
11903
11904         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
11905         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
11906         (initial_return_save): Likewise.
11907         (flush_queued_reg_saves): Remap register numbers.
11908         (dwarf2out_return_reg): Likewise.
11909
11910 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11911
11912         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
11913
11914         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
11915         access functions for lower bound and element size and only output
11916         if lower bound nonzero or element size not same as that of type.
11917         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
11918
11919 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
11920
11921         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
11922
11923 2004-07-01  Per Bothner  <per@bothner.com>
11924
11925         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
11926
11927 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
11928
11929         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
11930         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
11931         first operand.  Don't optimize if the bitfield is volatile.
11932
11933 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
11934
11935         * c-pretty-print.c (pp_c_postfix_expression): Handle
11936         floating-point comparison operators.
11937         (pp_c_expression): Pass floating-point comparison
11938         operators to pp_c_postfix_expression.
11939
11940 2004-07-01  Roger Sayle  <roger@eyesopen.com>
11941
11942         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
11943         rtx_cost instead of "had_mult" to determine whether the transformed
11944         expression is cheaper than the original.
11945
11946 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
11947
11948         * alias.c (get_alias_set, canon_rtx, get_addr,
11949         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
11950         Use MEM_P.
11951         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
11952         expand_builtin): Likewise.
11953         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
11954         Likewise.
11955         * combine.c (can_combine_p, combinable_i3pat, try_combine,
11956         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
11957         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
11958         record_dead_and_set_regs_1, get_last_value_validate,
11959         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
11960         * cse.c (check_dependence, canon_hash, equiv_constant,
11961         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
11962         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
11963         count_reg_usage): Likewise.
11964         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
11965         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
11966         cselib_record_sets): Likewise.
11967         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
11968         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
11969         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
11970         * df.c (df_uses_record): Likewise.
11971         * dojump (do_jump): Likewise.
11972         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
11973         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
11974         decl_start_label): Likewise.
11975         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
11976         operand_subword, change_address_1, make_safe_from): Likewise.
11977         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
11978         stabilize, force_not_mem): Likewise.
11979         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
11980         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
11981         * expr.c (convert_move, convert_modes, emit_block_move,
11982         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
11983         emit_move_insn_1, expand_assignment, store_expr,
11984         store_constructor_field, store_constructor, store_field,
11985         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
11986         Likewise.
11987         * final.c (cleanup_subreg_operands, alter_subreg,
11988         get_mem_expr_from_op): Likewise.
11989         * flow.c (notice_stack_pointer_modification_1,
11990         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
11991         Likewise.
11992         * function.c (mark_temp_addr_taken, preserve_temp_slots,
11993         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
11994         optimize_bit_field, flush_addressof, purge_addressof_1,
11995         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
11996         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
11997         keep_stack_depressed): Likewise.
11998         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
11999         noce_process_if_block, find_memory): Likewise.
12000         * integrate.c (subst_constants, allocate_initial_values): Likewise.
12001         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
12002         update_equiv_regs): Likewise.
12003         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
12004         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
12005         * optabs.c (expand_abs, emit_unop_insn): Likewise.
12006         * passes.c (rest_of_handle_final): Likewise.
12007         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
12008         move2add_note_store): Likewise.
12009         * ra-build.c (detect_remat_webs): Likewise.
12010         * ra-debug.c (dump_static_insn_cost): Likewise.
12011         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
12012         * recog.c (validate_change, apply_change_group, cancel_changes,
12013         validate_replace_rtx_1, general_operand, register_operand,
12014         nonmemory_operand, push_operand, pop_operand, memory_operand,
12015         indirect_operand, asm_operand_ok, offsettable_memref_p,
12016         offsettable_nonstrict_memref_p, constrain_operands,
12017         store_data_bypass_p): Likewise.
12018         * reg-stack.c (subst_stack_regs_pat): Likewise.
12019         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
12020         copy_cost, reg_scan_mark_refs): Likewise.
12021         * regmove.c (optimize_reg_copy_3, stack_memref_p,
12022         combine_stack_adjustments_for_block): Likewise.
12023         * regrename.c (copyprop_hardreg_forward_1): Likewise.
12024         * reload.c (can_reload_into, push_reload, decompose, immune_p,
12025         find_reloads, find_reloads_address, find_reloads_address_1,
12026         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
12027         find_equiv_reg): Likewise.
12028         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
12029         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
12030         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
12031         delete_address_reloads): Likewise.
12032         * resource.c (mark_referenced_resources): Likewise.
12033         * rtlanal.c (get_jump_table_offset, count_occurrences,
12034         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
12035         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
12036         num_sign_bit_copies1): Likewise.
12037         * rtlhooks.c (gen_lowpart_general): Likewise.
12038         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
12039         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
12040         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
12041         sdbout_global_decl): Likewise.
12042         * simplify-rtx.c (simplify_subreg): Likewise.
12043         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
12044         expand_anon_union_decl, expand_end_case_type): Likewise.
12045         * unroll.c (calculate_giv_inc): Likewise.
12046         * var-tracking.c (stack_adjust_offset_pre_post,
12047         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
12048         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
12049         vt_add_function_parameters): Likewise.
12050         * varasm.c (make_var_volatile, notice_global_symbol,
12051         assemble_external, decode_addr_const, mark_weak,
12052         default_encode_section_info): Likewise.
12053
12054 2004-07-01  Steven Bosscher  <stevenb@suse.de>
12055
12056         * stmt.c (check_seenlabel): Remove.
12057         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
12058
12059 2004-07-01  Richard Henderson  <rth@redhat.com>
12060
12061         * function.h (struct function): Remove x_function_call_count.
12062         (function_call_count): Remove.
12063         * calls.c (expand_call): Don't set it.
12064         * integrate.c (copy_rtx_and_substitute): Likewise.
12065
12066         * function.h (struct function): Remove x_cleanup_label.
12067         (cleanup_label): Remove.
12068         * stmt.c (expand_value_return): Don't use it.
12069         * function.c (free_after_compilation): Don't set it.
12070         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
12071         * cfgexpand.c (tree_expand_cfg): Update call.
12072         * tree.h (expand_function_start): Update decl.
12073
12074 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
12075
12076         PR c/1027
12077         * c-lang.c (c_initialize_diagnostics): Move from here ...
12078         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
12079         (c_tree_printer): Use pretty-printer to format %T.
12080         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
12081         before '*' if not C++.
12082         (pp_c_direct_abstract_declarator): Don't try to print array upper
12083         bound for flexible array members.
12084         * c-tree.h: Include "diagnostic.h".
12085         (c_initialize_diagnostics): Declare.
12086         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
12087         * c-format.c (format_type_warning): New function.  Improve
12088         diagnostics for incorrect format argument types.
12089         (check_format_types): Use it.  Add two parameters.  Use the
12090         TYPE_MAIN_VARIANT of wanted_type.
12091         (check_format_info_main): Pass new parameters to
12092         check_format_types.
12093         (struct format_wanted_type): Update comment.
12094
12095 2004-07-01  Nick Clifton  <nickc@redhat.com>
12096
12097         * target.h (struct gcc_target): Add new field to struct cxx:
12098         import_export_class.
12099         * target-def.h (TARGET_CXX): Initialise the new field.
12100         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
12101         the new field.
12102         * doc/tm.texi: Document the new target hook.
12103
12104 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
12105
12106         * builtins.c (fold_builtin_classify): Fix typo.
12107
12108 2004-07-01  Richard Henderson  <rth@redhat.com>
12109
12110         * function.c (identify_blocks, identify_blocks_1): Remove.
12111         * function.h (identify_blocks): Remove.
12112         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
12113
12114 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
12115
12116         * builtins.c (fold_builtin_classify): New.
12117         (fold_builtin_unordered_cmp): Fix commentary.
12118         (fold_builtin): Use it.
12119         * builtins.def: Define builtins for isnan,
12120         isnanf, isnanl, finite, finitef, finitel,
12121         isinf, isinff, isinfl.
12122
12123 2004-07-01  Richard Henderson  <rth@redhat.com>
12124
12125         * function.h (struct function): Remove dont_emit_block_notes.
12126         * gimple-low.c (lower_function_body): Don't set it.
12127         * cfgexpand.c (expand_block): Don't check it.
12128         * cfglayout.c (insn_locators_initialize): Likewise.
12129         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
12130         * passes.c (rest_of_compilation): Likewise.
12131         * stmt.c (expand_start_bindings_and_block): Likewise.
12132         (expand_end_bindings): Likewise.
12133
12134 2004-07-01  Richard Henderson  <rth@redhat.com>
12135
12136         * cgraph.h (cgraph_build_static_cdtor): Declare.
12137         * cgraphunit.c (cgraph_build_static_cdtor): New.
12138         * c-objc-common.c (build_cdtor): Use it.
12139         * coverage.c (create_coverage): Likewise.
12140         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
12141         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
12142
12143 See ChangeLog.11 for earlier changes.