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* vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
2
3         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
4
5 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6
7         PR target/16459
8         * pa.c (output_indirect_call): Use %r2 as the link register when
9         calling $$dyncall with a pc-relative branch.
10
11 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
12
13         * doc/install.texi (Binaries): Mention OpenPKG.
14
15 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
16
17         Fix PR tree-optimization/15555
18         * tree-dfa.c (dump_variable): If the variable is a pointer
19         SSA_NAME, also dump its points-to information.
20         * tree-flow.h (struct ptr_info_def): Add field
21         is_dereferenced.
22         (dump_points_to_info_for): Declare.
23         (debug_points_to_info_for): Declare.
24         * tree-optimize.c (init_tree_optimization_passes): Add a
25         second alias analysis pass after DOM2.
26         Move pass_del_pta to a later spot.
27         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
28         create a name tags when we find a dereferenced pointer.  Just
29         mark the pointer dereferenced.
30         (collect_points_to_info_for): Move code to clear points-to
31         information to create_name_tags.
32         (create_name_tags): New function.
33         (compute_flow_sensitive_aliasing): Call it.
34         (setup_pointers_and_addressables): Mark type tags for renaming
35         here instead of ...
36         (create_memory_tag): ... here.
37         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
38         (dump_points_to_info_for): Declare extern.
39         (debug_points_to_info_for): New function.
40
41 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
42
43         * config/arc/arc.md: Switch to DFA-based scheduler description.
44         * config/arc/arc.c: Switch to DFA-based scheduler description.
45
46 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
47
48         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
49         pointer.
50
51 2004-07-09  Richard Henderson  <rth@redhat.com>
52
53         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
54         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
55         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
56         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
57
58         * config/v850/v850-protos.h (v850_va_arg): Remove.
59         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
60         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
61         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
62         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
63         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
64
65 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
66
67         PR target/12133
68         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
69         and DImode to use +/-4k offset.
70
71 2004-07-09  Richard Henderson  <rth@redhat.com>
72
73         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
74         Remove.
75         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
76         (xstormy16_gimplify_va_arg_expr): Rewrite from
77         xstormy16_expand_builtin_va_arg.
78         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
79
80         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
81         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
82
83         * config/sh/sh-protos.h (sh_va_arg): Remove.
84         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
85         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
86         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
87
88         * config/pa/pa-protos.h (hppa_va_arg): Remove.
89         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
90         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
91         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
92
93         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
94         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
95         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
96         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
97
98 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
99
100         * config/sparc/sparc.md (return): Rewrite length formula.
101         * config/sparc/sparc.c (output_return): Pass 1 as 5th
102         argument to final_scan_insn when in a delay slot.
103         (output_sibcall): Likewise.
104
105 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
106
107         * arm.c (arm_cpp_interwork): New variable.
108         (arm_override_options): Set it if TARGET_INTERWORK was on the command
109         line.
110         * arm.h (arm_cpp_interwork): Declare it.
111         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
112         __THUMB_INTERWORK__ in the preprocessor.
113
114 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
115
116         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
117
118 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
119
120         PR target/16416
121         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
122         Override default settings to account for -m32 and -m64.
123
124 2004-07-08  Randolph Chung  <tausq@debian.org>
125
126         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
127
128 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
129
130         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
131         before comparing it as such.
132
133 2004-07-08  Richard Henderson  <rth@redhat.com>
134
135         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
136         temporary.  Use bit arithmetic to align.
137
138 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
139
140         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
141         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
142         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
143         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
144         add_labels_and_missing_jumps, find_jump_block,
145         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
146         Likewise.
147         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
148         link_btr_uses, move_btr_def): Likewise.
149         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
150         expand_builtin_expect_jump): Likewise.
151         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
152         * calls.c (expand_call, emit_library_call_value_1): Likewise.
153         * cfganal.c (forwarder_block_p): Likewise.
154         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
155         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
156         find_bb_boundaries): Likewise.
157         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
158         merge_blocks_move_predecessor_nojumps,
159         merge_blocks_move_successor_nojumps, insns_match_p,
160         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
161         try_optimize_cfg): Likewise.
162         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
163         * cfglayout.c (skip_insns_after_block, label_for_bb,
164         record_effective_endpoints, insn_locators_initialize,
165         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
166         * cfgmainloop.c (create_loop_notes): Likewise.
167         * cfgrtl.c (delete_insn, delete_insn_chain,
168         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
169         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
170         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
171         redirect_branch_edge, force_nonfallthru_and_redirect,
172         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
173         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
174         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
175         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
176         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
177         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
178         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
179         * combine.c (combine_instructions, can_combine_p, try_combine,
180         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
181         distribute_notes, distribute_links, insn_cuid): Likewise.
182         * cse.c (fold_rtx, cse_insn, cse_around_loop,
183         invalidate_skipped_block, cse_set_around_loop,
184         cse_end_of_basic_block, cse_main, cse_basic_block,
185         cse_condition_code_reg): Likewise.
186         * cselib.c (cselib_process_insn): Likewise.
187         * ddg.c (create_ddg): Likewise.
188         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
189         Likewise.
190         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
191         gen_label_die, dwarf2out_var_location): Likewise.
192         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
193         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
194         last_call_insn, active_insn_p, next_label, prev_label,
195         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
196         add_insn_before, remove_insn, add_function_usage_to,
197         reorder_insns, find_line_note, remove_unnecessary_notes,
198         emit_insn_after_1, classify_insn): Likewise.
199         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
200         connect_post_landing_pads, sjlj_mark_call_sites,
201         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
202         can_throw_internal, can_throw_external, set_nothrow_function_flags,
203         convert_to_eh_region_ranges): Likewise.
204         * explow.c (optimize_save_area_alloca): Likewise.
205         * expr.c (expand_expr_real): Likewise.
206         * final.c (insn_current_reference_address, compute_alignments,
207         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
208         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
209         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
210         propagate_block_delete_insn, propagate_one_insn,
211         init_propagate_block_info, propagate_block, libcall_dead_p,
212         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
213         Likewise.
214         * function.c (instantiate_virtual_regs, reorder_blocks_1,
215         expand_function_start, expand_function_end, contains,
216         thread_prologue_and_epilogue_insns,
217         reposition_prologue_and_epilogue_notes): Likewise.
218         * gcse.c (constprop_register, bypass_conditional_jumps,
219         insert_insn_end_bb, gcse_after_reload): Likewise.
220         * genemit.c (gen_expand, gen_split): Likewise.
221         * genpeep.c (gen_peephole, main): Likewise.
222         * global.c (build_insn_chain): Likewise.
223         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
224         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
225         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
226         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
227         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
228         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
229         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
230         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
231         dead_or_predicable): Likewise.
232         * integrate.c (try_constants): Likewise.
233         * jump.c (rebuild_jump_labels, cleanup_barriers,
234         purge_line_number_notes, init_label_info, mark_all_labels,
235         squeeze_notes, get_label_before, get_label_after,
236         reversed_comparison_code_parts, simplejump_p, pc_set,
237         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
238         delete_barrier, delete_prior_computation, delete_computation,
239         delete_related_insns, delete_for_peephole, redirect_jump):
240         Likewise.
241         * lcm.c (optimize_mode_switching): Likewise.
242         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
243         Likewise.
244         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
245         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
246         * loop-iv.c (simplify_using_assignment): Likewise.
247         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
248         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
249         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
250         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
251         check_insn_for_givs, check_final_value, update_giv_derive,
252         basic_induction_var, product_cheap_p, check_dbra_loop,
253         loop_insn_first_p, last_use_this_basic_block,
254         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
255         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
256         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
257         sms_schedule_by_order): Likewise.
258         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
259         * postreload.c (reload_cse_simplify_operands, reload_combine,
260         reload_cse_move2add): Likewise.
261         * predict.c (can_predict_insn_p, estimate_probability,
262         expected_value_to_br_prob, process_note_predictions): Likewise.
263         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
264         * profile.c (branch_prob): Likewise.
265         * ra-build.c (live_out_1, livethrough_conflicts_bb,
266         detect_webs_set_in_cond_jump): Likewise.
267         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
268         ra_print_rtl_with_bb): Likewise.
269         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
270         * recog.c (next_insn_tests_no_inequality, find_single_use,
271         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
272         * reg-stack.c (next_flags_user, record_label_references,
273         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
274         compensate_edge, convert_regs_1): Likewise.
275         * regclass.c (scan_one_insn): Likewise.
276         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
277         regmove_optimize, fixup_match_1, single_set_for_csa,
278         combine_stack_adjustments_for_block): Likewise.
279         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
280         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
281         find_equiv_reg): Likewise.
282         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
283         reload_as_needed, emit_input_reload_insns, do_output_reload,
284         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
285         Likewise.
286         * reorg.c (find_end_label, emit_delay_sequence,
287         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
288         get_jump_flags, rare_destination, mostly_true_jump,
289         try_merge_delay_insns, redundant_insn, own_thread_p,
290         fill_simple_delay_slots, fill_slots_from_thread,
291         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
292         dbr_schedule): Likewise.
293         * resource.c (find_basic_block, next_insn_no_annul,
294         find_dead_or_set_registers, mark_target_live_regs): Likewise.
295         * rtl.h (RTX_PREV): Likewise.
296         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
297         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
298         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
299         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
300         tablejump_p, computed_jump_p, insns_safe_to_move_p,
301         find_first_parameter_load, can_hoist_insn_p): Likewise.
302         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
303         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
304         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
305         schedule_ebbs): Likewise.
306         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
307         is_conditionally_protected, can_schedule_ready_p,
308         add_branch_dependences, debug_dependencies): Likewise.
309         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
310         Likewise.
311         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
312         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
313         set_dominates_use, ujump_to_loop_cont): Likewise.
314         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
315         * varasm.c (output_constant_pool_1): Likewise.
316
317 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
318
319         * tree-scalar-evolution.c: New file.
320         * tree-scalar-evolution.h: New file.
321         * tree-ssa-loop-niter.c: New file.
322         * Makefile.in (SCEV_H): New.
323         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
324         * cfgloop.h (struct loop): Add bounds field.
325         * tree-flow.h (struct tree_niter_desc): New type.
326         (number_of_iterations_cond, number_of_iterations_exit,
327         loop_niter_by_eval, find_loop_niter_by_eval,
328         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
329         free_numbers_of_iterations_estimates): Declare.
330         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
331         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
332         * doc/invoke.texi (max-iterations-to-track): Document.
333
334 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
335
336         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
337         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
338         (MODE_AFTER): Add cast appropriately.
339         * config/sh/sh.md (movdi splitter): Likewise.
340         (casesi_worker_2): Add const qualifier appropriately.
341         (eh_return): Remove unused variable.
342         (insv): Initialize v;
343
344 2004-07-08  Richard Henderson  <rth@redhat.com>
345
346         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
347         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
348         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
349         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
350         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
351
352         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
353         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
354         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
355         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
356
357         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
358         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
359         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
360         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
361
362         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
363         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
364         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
365         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
366
367         * config/i860/i860-protos.h (i860_va_arg): Remove.
368         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
369         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
370         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
371
372 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
373
374         * system.h: Prototype getpagesize if missing.
375         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
376         * configure: Regenerate.
377         * config.in: Regenerate.
378
379 2004-07-08  Richard Henderson  <rth@redhat.com>
380
381         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
382         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
383         (fr30_gimplify_va_arg_expr): New.
384         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
385         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
386
387 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
388
389         PR target/16414
390         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
391         of asm_noperands result.
392
393 2004-07-08  Richard Henderson  <rth@redhat.com>
394
395         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
396         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
397         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
398         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
399
400 2004-07-08  Richard Henderson  <rth@redhat.com>
401
402         * builtins.c (ind_gimplify_va_arg_expr): New.
403         * tree.h (ind_gimplify_va_arg_expr): Declare.
404         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
405
406 2004-07-08  Jan Beulich  <jbeulich@novell.com>
407
408         * expmed.c (extract_bit_field): Correct condition to use vec_extract
409         patterns also on vector elements other than the first one.
410         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
411         break statements.
412
413 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
414
415         * config/rs6000/darwin-ldouble.c: Correct reference
416         to the Linnainmaa paper.
417
418 2004-07-08  Richard Henderson  <rth@redhat.com>
419
420         * config/arc/arc-protos.h (arc_va_arg): Remove.
421         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
422         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
423         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
424
425         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
426         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
427         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
428         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
429
430 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
431
432         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
433
434 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
435
436         * c-decl.c (static_ctors, static_dtors): Make static.
437         (pop_file_scope): Call c_common_write_pch and
438         cgraph_finalize_compilation_unit here.
439         (build_cdtor): Moved here from c-objc-common.c; simplify.
440         (c_write_global_declarations_1): Clarify comment.
441         (c_write_global_declarations): Close the external scope before
442         doing anything else.  Call build_cdtor, cgraph_optimize, and
443         mudflap_finish_file here.
444         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
445         Clarify comment.
446         * c-objc-common.c: No need to include cgraph.h.
447         (build_cdtor): Moved to c-decl.c.
448         (c_objc_common_finish_file): Delete.
449         * c-tree.h: Update to match.
450         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
451         (generate_static_references): Set TREE_USED before calling finish_decl.
452         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
453         on the static_instances_decl.
454
455 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
456
457         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
458         decls when there is only one input translation unit.
459         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
460         change of 2004-07-05; do not treat declarations with
461         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
462         * opts.c (cur_in_fname): Delete.
463         * opts.h: Likewise.
464         * tree.c: Revert changes of 2004-07-05; no special treatment
465         for TRANSLATION_UNIT_DECLs.
466         * Makefile.in (tree.o): Update dependencies.
467
468 2004-07-08  Roger Sayle  <roger@eyesopen.com>
469
470         * builtins.c (fold_builtin_strcpy): Merge functionality from
471         simplify_builtin_strcpy.  Add additional len argument.  No longer
472         static.  Remove function prototype.
473         (fold_builtin_strncpy): Likewise integrate functionality from
474         simplify_builtin_strncpy.  Add additional slen argument.  No
475         longer static.  Remove function prototype.
476         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
477         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
478         types of "ignore" and "unlocked" parameters to bool.
479         (fold_builtin_1):  Add additional ignore argument.  Call renamed
480         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
481         builtins.  Update arguments to fold_builtin_strncpy and
482         fold_builtin_strcpy.  Add function prototype.
483         (fold_builtin): Add additional Boolean ignore argument to pass
484         to fold_builtin_1.
485         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
486         and fold_builtin_strncpy instead of simplify_builtin_fputs,
487         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
488
489         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
490         simplify_builtin_strncpy): Delete function prototypes.
491         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
492         fold_builtin_strncpy): Add function prototypes here.
493         (fold_builtin): Update function prototype with new "bool ignore".
494
495         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
496         (ccp_fold_builtin):  Update call to fold_builtin.  Call
497         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
498         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
499         simplify_builtin_strncpy respectively.
500         * fold-const.c (fold): Update call to fold_builtin.
501
502 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
503
504         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
505         to strcpy.
506
507         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
508         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
509         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
510         * calls.c: Remove ifdefs of macros above.
511         * functions.c: Likewise.
512         * expr.c: Likewise.
513
514 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
515
516         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
517         (arch attribute): Delete.
518         (current_function_calls_alloca attribute): Rename into calls_alloca.
519         (calls_eh_return): New attribute.
520         (leaf_function): Likewise.
521         (length attribute): Fix formula for sibcalls.
522         (return insn): Correctly compute the 'length' attribute.
523         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
524
525 2004-07-08  Richard Henderson  <rth@redhat.com>
526
527         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
528         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
529         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
530         * tree-eh.c (lower_eh_constructs_1): Likewise.
531         * tree-sra.c (sra_walk_modify_expr): Likewise.
532         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
533         (eliminate_unnecessary_stmts): Likewise.
534         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
535         * tree-tailcall.c (optimize_tail_call): Likewise.
536         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
537
538 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
539             Jakub Jelinek  <jakub@redhat.com>
540
541         * config/i386/i386.c (override_options): Enable
542         SSE prefetches with -mtune, as long as we are
543         compiling for i686 or higher.  All i686 processors
544         accept SSE prefetches as NOPS, some i586's don't.
545
546 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
547
548         PR target/10567
549         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
550
551 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
552
553         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
554         the handling of clobbering ASM_EXPRs.
555
556 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
557
558         PR target/16430
559         * config/sparc/sparc.c (function_value): In 64-bit mode,
560         return the aggregates larger than 16 bytes like unions.
561
562 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
563
564         PR target/16199
565         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
566         'temp' is zero, generate new pseudos as needed and emit the
567         sequence of insns in single-assignment form.  Resync comments
568         with code.
569         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
570         function before reload.
571
572 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
573
574         * vec.c (vec_assert_fail): Remove duplicate 'function'.
575
576         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
577
578         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
579         Allocation is signed.
580         (VEC_reserve): Return flag, allocation is signed.
581
582 2004-07-08  Richard Henderson  <rth@redhat.com>
583
584         * tree-ssa-ccp.c (fold_stmt): Get type directly from
585         OBJ_TYPE_REF_OBJECT.
586
587 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
588             Neil Booth  <neil@daikokuya.co.uk>
589
590         PR c/2511
591         PR c/3325
592         * c-decl.c (finish_struct): Ensure bit-fields are given the
593         correct type.
594         * c-common.c (c_common_signed_or_unsigned_type): For C, require
595         the precision to match as well as the mode.
596         * expr.c (reduce_to_bit_field_precision): New function.
597         (expand_expr_real_1): Reduce expressions of bit-field type to
598         proper precision.
599         * langhooks.h (reduce_bit_field_operations): New hook.
600         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
601         Define.
602         * c-lang.c, objc/objc-lang.c
603         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
604         * objc/objc-act.c (check_ivars): Convert types to bit-field types
605         before checking.
606         * tree.c (build_nonstandard_integer_type): New function.
607         * tree.h (build_nonstandard_integer_type): New prototype.
608         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
609         conversions between integer and boolean types as useless.
610
611 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
612
613         * c-common.c (c_common_nodes_and_builtins): Do not
614         create __builtin_ptrdiff_t and __builtin_size_t.
615
616 2004-07-08  Andrew Pinski  <apinski@apple.com>
617
618         * Makefile.in (libbackend.o): Add -combine to the gcc
619         command line.
620
621 2004-07-08  Nick Clifton  <nickc@redhat.com>
622
623         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
624         Set to -Os.
625
626 2004-07-08  Richard Henderson  <rth@redhat.com>
627
628         * except.c (expand_eh_region_start, expand_eh_region_end,
629         expand_eh_handler, expand_eh_region_end_cleanup,
630         expand_start_all_catch, expand_start_catch, expand_end_catch,
631         expand_end_all_catch, expand_eh_region_end_allowed,
632         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
633         expand_eh_region_end_fixup): Remove.
634         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
635         cleanups, outer_cleanups, label_chain, exception_region.
636         (struct goto_fixup): Remove stack_level, cleanup_list_list.
637         (struct label_chain): Remove.
638         (struct stmt_status): Remove x_stack_block_stack.
639         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
640         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
641         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
642         end_cleanup_deferral, last_cleanup_this_contour,
643         containing_blocks_have_cleanups_or_stack_level,
644         any_pending_cleanups): Remove.
645         (expand_null_return_1): Take no arguments.
646         (expand_label, expand_naked_return, expand_return,
647         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
648         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
649         expand_end_case_type): Don't use any of them.
650         * calls.c (expand_call): Likewise.
651         * dojump.c (do_jump): Likewise.
652         * function.c (expand_function_end): Likewise.
653         * expr.c (store_expr, expand_expr_real_1): Likewise.
654         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
655         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
656         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
657         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
658         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
659         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
660         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
661         for WITH_CLEANUP_EXPR.
662         (gimple_push_cleanup): Likewise.
663         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
664         * print-tree.c (print_node): Likewise.
665         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
666         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
667         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
668         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
669         (GOTO_SUBROUTINE_EXPR): Remove.
670         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
671         (DECL_TOO_LATE): Remove.
672         * except.h, tree.h: Update decls.
673
674 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
675
676         * explow.c (optimize_save_area_alloca): Do not accept parameters.
677         * passes.c (rest_of_handle_final): Handle symout.
678         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
679         Push timevar here.
680         (rest_of_handle_sched): Break out SMS.  Remove ifs for
681         flag_schedule_insns and flag_modulo_sched.
682         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
683         collect at the end.
684         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
685         (rest_of_handle_partition_blocks, rest_of_handle_sms,
686         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
687         rest_of_handle_mode_switching, rest_of_handle_jump,
688         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
689         rest_of_handle_jump2, rest_of_handle_postreload,
690         rest_of_handle_flow2, rest_of_clean_state,
691         rest_of_handle_shorten_branches,
692         rest_of_handle_prologue_epilogue,
693         rest_of_handle_branch_target_load_optimize): New.
694         (rest_of_compilation): Call the above.  Remove ggc_collect
695         calls moved to rest_of_handle_*.
696         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
697
698         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
699         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
700         * except.h (set_nothrow_function_flags): Update comment.
701         * function.c (current_function_nothrow): Remove.
702         * output.h (current_function_nothrow): Remove.
703         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
704         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
705
706 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
707
708         PR bootstrap/16326
709         * reorg.c: Revert 2004-06-30 change.
710         (find_end_label): If HAVE_epilogue and !HAVE_return,
711         return 0 instead of creating a label at the end of the insn chain.
712         (optimize_skip): Account for the failure mode of find_end_label.
713         (fill_simple_delay_slots): Likewise.
714         (fill_slots_from_thread): Likewise.
715         (relax_delay_slots): Likewise.
716
717 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
718
719         * tree-flow.h (addressable_vars): Declare.
720         * tree-ssa-alias.c (addressable_vars): Define.
721         (setup_pointers_and_addressables): Add addressable variables
722         to addressable_vars.
723         * tree-ssa-operands.c (get_stmt_operands): Move
724         handling of ASM_EXPRs ...
725         (get_asm_expr_operands): ... here.
726         When the ASM_EXPR clobbers memory, also clobber addressable
727         variables.
728         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
729         (delete_tree_ssa): Reset addressable_vars.
730
731 2004-07-07  Jan Beulich  <jbeulich@novell.com>
732             Richard Henderson  <rth@redhat.com>
733
734         * varasm.c (assemble_variable): Use assemble_zeros for
735         zero-initialized variables.
736         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
737         for SECCAT_BSS and SECCAT_TBSS.
738
739 2004-07-07  Jan Beulich  <jbeulich@novell.com>
740
741         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
742
743         * expmed.c (emit_store_flag): Also special-case double-word
744         (in-)equality comparison against -1.
745
746         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
747         passing arguments the containers for which are registers.
748
749         * calls.c (emit_library_call_value_1): Use mode of function parameter
750         rather than that of argument since constants have none.
751
752 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
753
754         Introduce H8SX support.
755         * expr.c (expand_strcpy): Renamed and moved to...
756         * builtins.c (expand_movstr): ... here.  Tweak.
757         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
758         computed or has side effects.
759         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
760         unused, or if mempcpy fails.  Adjust the return value in the
761         latter case.  Use movstr if everything else fails.
762         * doc/md.texi (movstr): Document.
763         (movmemM, clrmemM): Fix explanation of memory block operands.
764         * config/h8300/h8300.md (stpcpy): Renamed to...
765         (movstr): ... this.  Adjust.
766         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
767         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
768         movmem* and clrstr* to clrmem*.
769         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
770         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
771         GENERAL_REGS, always.
772         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
773         getting the stack pointer as addr.
774         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
775         from general_operand_dst.
776         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
777         variant of...
778         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
779         instead of requiring it to match only before reload.
780         (stpcpy_internal_normal): New, normal-mode variant of...
781         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
782         `D' instead of requiring it to match only before reload.
783         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
784         mode argument.
785         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
786         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
787         h8300_get_index.
788         * config/h8300/h8300.md (attr type): Add call.
789         (attr can_delay): If type is call, set it no.
790         (call, call_value): Set type to call.
791         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
792         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
793         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
794         * tree.c (get_narrower): Don't narrow integral types into
795         non-integral types.
796         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
797         frame_size *before* the first use.
798         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
799         on input.
800         (peephole2): Don't widen instructions that push SP.  Move
801         decrement of SP to the end of all stm-generating peepholes.
802         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
803         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
804         and OR to set it to all ones.
805         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
806         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
807         (call, call_value): Set can_delay to "no".
808         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
809         * config/h8300/h8300.md (extzv): Make subreg check more robust.
810         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
811         * config/h8300/h8300.md (*brabit): Remove.
812         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
813         zero_extract.  Use bit_memory_operand as the predicate for
814         operand 1 and 'WU' as the constraint.  Check the difference
815         between the base length and the final one when deciding which
816         type of branch to use.
817         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
818         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
819         Use convert_move to extend the result for TARGET_H8300SX.  Check
820         for QImode memory references.  Optimize the case where the
821         destination is a paradoxical subreg.
822         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
823         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
824         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
825         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
826         * config/h8300/h8300.md: Include mova.md
827         (length_table): Add mova and mova_zero.
828         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
829         after all constant addresses for '%R', '%X', '%T' and '%S'.
830         (h8300_mova_length): New function.
831         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
832         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
833         dependencies for s-config, etc.
834         * config/h8300/gemova.sh: New file.
835         * config/h8300/mova.md: Generated.
836         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
837         * config/h8300/h8300.c (h8300_bitfield_length): New.
838         (nibble_operand): Adjust.
839         (h8300_binary_length): Handle conditional binary op.
840         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
841         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
842         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
843         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
844         constraints.  WU is introduced as a variant of U that requires a
845         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
846         * config/h8300/h8300.md (attr type): Added bitbranch.
847         (attr length_table): Added bitfield and bitbranch.
848         (attr length): Compute bitbranch length.
849         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
850         least-significant bit of a byte.
851         (brabit, brabc, brabs): New.
852         (insv, extzv): Emit bfst and bfld on H8300SX.
853         (bfld, bfst, seq, sne): New.
854         (bstzhireg, cmpstz, bstz, bistz): New.
855         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
856         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
857         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
858         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
859         (h8sx_unary_memory_operator): New function.
860         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
861         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
862         * config/h8300/h8300.md: Add peepholes to combine reloads and
863         arithmetic insns.
864         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
865         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
866         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
867         (and?i, ior?i, xor?i): Likewise.
868         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
869         * config/h8300/h8300.c: Move enums and prototypes to head of file.
870         Various whitespace fixes.
871         (h8300_constant_length): New function, split out from...
872         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
873         (h8300_classify_operand): Use IN_RANGE.
874         (h8300_classify_operand): Use h8300_constant_length.
875         (h8300_short_move_mem_p): Tighten size check.
876         (h8sx_mergeable_memrefs_p): Tighten equality check.
877         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
878         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
879         for -msx.
880         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
881         * config/h8300/crtn.asm: Likewise.
882         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
883         if __H8300SX__ is defined.
884         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
885         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
886         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
887         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
888         addresses as mode-dependent.
889         * config/h8300/h8300.c (print_operand_address): Update call to
890         h8300_get_index.
891         (h8300_get_index): Take a mode argument.  Rework to fix an
892         earlier misunderstanding.
893         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
894         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
895         into a register if TARGET_H8300SX.
896         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
897         TARGET_H8300SX.  Also disable related define_splits.
898         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
899         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
900         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
901         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
902         * config/h8300/h8300.h (OK_FOR_Z): New macro.
903         (EXTRA_CONSTRAINT_STR): Check it.
904         * config/h8300/h8300.c (h8300_classify_operand): Accept null
905         class arguments.
906         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
907         * config/h8300/h8300.md (length_table): Add mov_imm4.
908         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
909         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
910         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
911         be a label.
912         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
913         * config/h8300/h8300.c (h8300_reorg): New function.
914         (TARGET_MACHINE_DEPENDENT_REORG): Define.
915         * config/h8300/h8300.md (length): Subtract the length of the
916         delay slot from (pc) when checking the range of forward branches.
917         (delay_slot, can_delay): New attributes.
918         (define_delay): Add bra/s handling.
919         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
920         (jump): Add delayed-branch handling.
921         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
922         * expr.c (expand_strcpy): New function.
923         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
924         (expand_builtin_stpcpy): Likewise.
925         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
926         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
927         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
928         handling to improve register allocation for -fno-omit-frame-pointer.
929         (h8sx_split_movmd): Delete, moving er6 handling into...
930         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
931         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
932         (movmd): Add calls to copy_rtx.
933         (movmd_internal): In the second alternative, allow the initial and
934         final destination registers to be different .  Update the splitter
935         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
936         instead of h8sx_split_movmd.
937         (stpcpy, movsd): New expanders.
938         (movsd_internal): New define_insn.
939         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
940         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
941         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
942         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
943         and DESTINATION_REGS.
944         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
945         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
946         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
947         (h8300_move_ratio): Declare.
948         (MOVE_RATIO): Use it.
949         * config/h8300/h8300.c (h8300_move_ratio): New variable.
950         (h8300_init_once): Initialize it.
951         (h8300_reg_class_from_letter): New function.
952         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
953         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
954         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
955         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
956         (movstrsi, movmd): New expanders.
957         (movmd_internal): New insn.
958         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
959         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
960         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
961         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
962         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
963         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
964         * config/h8300/h8300.c (nibble_operand): Fix warning.
965         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
966         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
967         (movsf_h8300h): Disable for TARGET_H8300SX.
968         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
969         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
970         h8300_stm_parallel and h8300_return_parallel.
971         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
972         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
973         h8300_stm_parallel, h8300_return_parallel): New functions.
974         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
975         if TARGET_H8300SX.  Use h8300_push_pop.
976         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
977         and final pop when generating h8sx code.  Always emit some form
978         of return insn.
979         * config/h8300/h8300.md: Don't enforce register alignment in
980         stm peepholes if TARGET_H8300SX.
981         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
982         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
983         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
984         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
985         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
986         (MULTILIB_DIRNAMES): Add a directory for it.
987         (MULTILIB_MATCHES): Delete.
988         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
989         * final.c (walk_alter_subreg): Handle addresses with subregs
990         inside a ZERO_EXTEND or AND.
991         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
992         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
993         if TARGET_H8300SX.
994         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
995         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
996         @(dd,Rn.w) and @(dd,ERn.L).
997         (h8300_displacement_size): Take the whole address as argument.
998         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
999         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
1000         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
1001         (h8sx_mergeable_memrefs_p): Declare.
1002         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
1003         (HAVE_PRE_INCREMENT): Likewise.
1004         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
1005         addresses for TARGET_H8300SX,
1006         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
1007         and POST_DEC.
1008         (movb_length_table, movl_length_table): New tables.
1009         (movw_length_table): Define to movb_length_table.
1010         (h8300_displacement_size): New, split out from...
1011         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
1012         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
1013         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
1014         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
1015         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
1016         (compute_plussi_length, compute_plussi_cc): Update accordingly.
1017         (h8sx_unary_shift_operator): Get the mode from the operator.
1018         (binary_shift_operator): Likewise.
1019         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
1020         a memory reference, check whether the reference is offsettable.
1021         (length_table): Add movb, movw and movl.
1022         (movqi): Add new h8sx pattern.  Don't force one operand to be a
1023         register when generating h8sx code.
1024         (movhi, movsi, movsf): Likewise.
1025         (movstrictqi): Use the length_table attribute.
1026         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
1027         (addqi3): Split into a define_expand and define_insn.  Don't accept
1028         memory operands in the expander.  Use h8300_operands_match_p to
1029         check for matching operands in the define_insn.
1030         (subqi3, negqi2, one_cmplqi2): Likewise.
1031         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
1032         in any patterns that are unused in h8sx code.  In the h8sx patterns,
1033         use h8300_operands_match_p to check whether operands match.
1034         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
1035         one_cmpl[hs]i3): Likewise.
1036         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
1037         in the expander.
1038         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
1039         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
1040         (h8300_insn_length_from_table): Add a second parameter.
1041         (output_h8sx_shift): Declare.
1042         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
1043         (EXTRA_CONSTRAINT): Replace with...
1044         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
1045         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
1046         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
1047         and h8sx_binary_shift_operator.
1048         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
1049         for TARGET_H8300SX.
1050         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
1051         (bit_memory_operand, fix_bit_operand): Likewise.
1052         (h8300_length_table_for_insn): Remove.
1053         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
1054         instructions.
1055         (h8300_short_immediate_length, h8300_binary_length): New functions.
1056         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
1057         (output_plussi): Use sub to add negative constants.
1058         (compute_plussi_length): Adjust accordingly.
1059         (h8sx_single_shift_type): New enum.
1060         (h8sx_single_shift, h8sx_unary_shift_operator,
1061         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
1062         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
1063         single h8sx instruction.  Return false in this case.
1064         * config/h8300/h8300.md (length_table): Add short_immediate.
1065         (length): Pass the operand array to h8300_insn_length_from_table.
1066         (adjust_length): Assume "no" for insns with a length_table attribute.
1067         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
1068         (*addhi3_h8300hs): Don't use for h8sx.
1069         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
1070         and sub.w #xx:3.
1071         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
1072         1's predicate to nonimmediate_operand.  Only skip default expansion
1073         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
1074         for single h8sx shift instructions.
1075         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
1076         * config/h8300/h8300.c (nibble_operand): Split out of...
1077         (reg_or_nibble_operand): ... this.
1078         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
1079         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
1080         umulhisi3): Introduce expand, and introduce separate insns for
1081         sign- or zero-extended REG and already-extended CONST_INT.
1082         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
1083         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
1084         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
1085         (subhi3): Likewise.  Don't accept immediates for operand 1.
1086         Remove the early clobber from second alternative of the h8300s pattern.
1087         (subsi3): Generalize for h8sx.  Force operand 2 into a register
1088         on plain h8300 targets.
1089         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
1090         (subsi3_h8300h): Generalize for h8sx.
1091         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
1092         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
1093         * config/h8300/h8300.c (reg_or_nibble_operand): New.
1094         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
1095         (TARGET_H8300SXMUL): New.
1096         (CONST_OK_FOR_P): New.
1097         (CONST_OK_FOR_LETTER_P): Adjust.
1098         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
1099         umulhisi3): Accept 4-bit immediate on H8SX.
1100         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
1101         (udivsi3, divhi3, udivsi3, divsi3): New.
1102         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
1103         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
1104         * config/h8300/h8300.h (OK_FOR_Q): New macro.
1105         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
1106         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
1107         Add ADDRESSOF to the bit_operand entry.
1108         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
1109         (h8300_src_operand): Likewise.
1110         (bit_operand): Check nonimmediate_operand rather than general_operand.
1111         Accept any nonimmediate_operand in h8sx code.
1112         (h8300_and_costs): Initialize operands[1].
1113         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
1114         (h8300_operand_class): New enum.
1115         (h8300_length_table): New typedef.
1116         (addb_length_table, addw_length_table, addl_length_table,
1117         logicl_length_table): New tables.
1118         (logicb_length_table, logicw_length_table): New macros.
1119         (h8300_classify_operand, h8300_length_from_table,
1120         h8300_length_table_for_insn, h8300_unary_length,
1121         h8300_insn_length_from_table): New functions.
1122         (output_plussi): Only use adds and subs for register destinations.
1123         Disable redundant clause.
1124         (compute_plussi_cc): Likewise.
1125         (compute_plussi_length): Likewise.  Use h8300_length_from_table
1126         to work out the length of an insn.
1127         (output_logical_op): Only use narrower immediate instructions
1128         if the destination is a register.
1129         (compute_logical_op_cc): Likewise.
1130         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
1131         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
1132         * config/h8300/h8300.md (length_table): New attribute.
1133         (length): When an instruction has a length_table attribute, use
1134         h8300_insn_length_from_table to calculate its default length.
1135         (cmpqi): Use h8300_dst_operand for the first operand and
1136         h8300_src_operand for the second.
1137         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
1138         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
1139         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
1140         iorsi3, xorhi3, xorsi3): Likewise.
1141         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
1142         so that it allows any combination of operands for TARGET_H8300SX.
1143         (iorqi3, xorqi3): Likewise.
1144         (cmpqi): Use the length_table attribute.
1145         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
1146         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
1147         (cmpqi): Add 'Q' constraint.
1148         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
1149         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
1150         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
1151         * config/h8300/h8300.h (MASK_H8300SX): New macro.
1152         (TARGET_H8300S): True for both -ms and -msx.
1153         (TARGET_H8300SX): New macro.
1154         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
1155         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
1156         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
1157         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
1158         [Temporary change.]
1159         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
1160         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
1161         16-bit pointers and 32-bit ints.
1162         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
1163         CONST_DOUBLE with mode no wider than SImode.
1164         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
1165         output operand.
1166         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
1167         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
1168         or SUBREG thereof.
1169         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
1170         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
1171         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
1172
1173 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
1174
1175         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
1176
1177 2004-07-07  Per Bothner  <per@bothner.com>
1178
1179         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
1180
1181 2004-07-07  Mike Stump  <mrs@apple.com>
1182
1183         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
1184         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
1185         (machopic_finish): Likewise.
1186
1187 2004-07-07  Richard Henderson  <rth@redhat.com>
1188
1189         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
1190         through any value-preserving cast.
1191
1192 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
1193
1194         * function.c (assign_parm_find_data_types): Call
1195         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
1196
1197 2004-07-07  Steven Bosscher  <stevenb@suse.de>
1198
1199         * tree-cfg.c (group_case_labels): Remove case labels that have
1200         the same target as the default case.
1201
1202 2004-07-07  Steven Bosscher  <stevenb@suse.de>
1203
1204         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
1205         regardless of DECL_LANG_SPECIFIC being present or not.
1206         * tree.h (DECL_NUM_STMTS): Purge.
1207
1208 2004-07-07  Andrew Pinski  <apinski@apple.com>
1209
1210         * configure: Regenerate with the right autoconf.
1211
1212 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
1213
1214         * ifcvt.c (total_bb_rtx_cost): New function.
1215         (find_if_case_1): Compare rtx_cost of basic block to cost of
1216         BRANCH_COST insns.
1217         (find_if_case_2): Same.
1218
1219 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1220
1221         PR target/10567
1222         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
1223         (output_return): Likewise.
1224         (output_sibcall): Abort if !flag_delayed_branch.
1225         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
1226         (emit_and_preserve): New function.
1227         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
1228         indirect jump to the thunked-to function if !flag_delayed_branch.
1229         * config/sparc/sparc.md (delayed_branch): New attribute.
1230         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
1231         attribute to compute the length of the insn.
1232         (goto_handler_and_restore): Likewise.
1233
1234 2004-07-07  Andrew Pinski  <apinski@apple.com>
1235
1236         PR tree-optimization/15777
1237         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
1238
1239         * expr.c (expand_expr_real_1): Fix formating.
1240         BUFFER_REF and IN_EXPR are dead.
1241         * fold-const.c (non_lvalue): BUFFER_REF is dead.
1242         * tree-inline.c (estimate_num_insns_1): Likewise.
1243         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
1244         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
1245         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
1246
1247 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
1248
1249         * collect2.c (dump_file): Don't call cplus_demangle if
1250         HAVE_LD_DEMANGLE is defined.
1251         (main): Pass "--demangle" to ld if no_demangle is not 0 and
1252         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
1253         if HAVE_LD_DEMANGLE is defined.
1254
1255         * configure.ac (--with-demangler-in-ld): Added
1256         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
1257         --with-demangler-in-ld is used.
1258         * config.in: Regenerated.
1259         * configure: Likewise.
1260
1261 2004-07-07  Roger Sayle  <roger@eyesopen.com>
1262
1263         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
1264         for simple floating point operations "fp", double precision
1265         multiplication "dmul", and single and double precision division
1266         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
1267         (ppc630_cost): New table split from ppc620_cost, to distinguish
1268         differences in floating point latencies.
1269         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
1270         (rs6000_rtx_costs): Add support for single and double precision
1271         floating point addition, subtraction, multiplication, division,
1272         fused-multiply-add, fused-multiply-sub, negation, absolute value
1273         and negative absolute value.  Tweak MEM case to use prefered idiom.
1274
1275 2004-07-07  Richard Henderson  <rth@redhat.com>
1276
1277         * tree-flow-inline.h (may_propagate_copy): Move...
1278         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
1279         attempt to copy between types requiring conversion.
1280         * tree-flow.h (may_propagate_copy): Update decl.
1281         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
1282
1283 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
1284
1285         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
1286         from -mtune= option.
1287
1288 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
1289
1290         * builtins.c: Rename movstr*, except for movstrict*, to
1291         movmem* and clrstr* to clrmem*.
1292         * expr.c: Likewise.
1293         * expr.h: Likewise.
1294         * genopinit.c: Likewise.
1295         * integrate.c: Likewise.
1296         * local-alloc.c: Likewise.
1297         * optabs.c: Likewise.
1298         * optabs.h: Likewise.
1299         * config/alpha/alpha.h: Likewise.
1300         * config/alpha/alpha.md: Likewise.
1301         * config/arm/arm-protos.h: Likewise.
1302         * config/arm/arm.c: Likewise.
1303         * config/arm/arm.md: Likewise.
1304         * config/avr/avr.md: Likewise.
1305         * config/c4x/c4x.c: Likewise.
1306         * config/c4x/c4x.md: Likewise.
1307         * config/frv/frv.md: Likewise.
1308         * config/i386/i386-protos.h: Likewise.
1309         * config/i386/i386.c: Likewise.
1310         * config/i386/i386.h: Likewise.
1311         * config/i386/i386.md: Likewise.
1312         * config/i860/i860.c: Likewise.
1313         * config/i860/i860.md: Likewise.
1314         * config/ip2k/ip2k.md: Likewise.
1315         * config/ip2k/libgcc.S: Likewise.
1316         * config/ip2k/t-ip2k: Likewise.
1317         * config/m32r/m32r.c: Likewise.
1318         * config/m32r/m32r.md: Likewise.
1319         * config/mcore/mcore.md: Likewise.
1320         * config/mips/mips.c: Likewise.
1321         * config/mips/mips.md: Likewise.
1322         * config/ns32k/ns32k.c: Likewise.
1323         * config/ns32k/ns32k.h: Likewise.
1324         * config/ns32k/ns32k.md: Likewise.
1325         * config/pa/pa.c: Likewise.
1326         * config/pa/pa.md: Likewise.
1327         * config/pdp11/pdp11.h: Likewise.
1328         * config/pdp11/pdp11.md: Likewise.
1329         * config/rs6000/rs6000.c: Likewise.
1330         * config/rs6000/rs6000.md: Likewise.
1331         * config/s390/s390-protos.h: Likewise.
1332         * config/s390/s390.c: Likewise.
1333         * config/s390/s390.md: Likewise.
1334         * config/sh/lib1funcs.asm: Likewise.
1335         * config/sh/sh.c: Likewise.
1336         * config/sh/sh.md: Likewise.
1337         * config/sh/t-sh: Likewise.
1338         * config/sparc/sparc.h: Likewise.
1339         * config/vax/vax.md: Likewise.
1340         * config/xtensa/xtensa.c: Likewise.
1341         * config/xtensa/xtensa.md: Likewise.
1342         * doc/invoke.texi: Likewise.
1343         * doc/md.texi: Likewise.
1344         * doc/rtl.texi: Likewise.
1345
1346 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
1347
1348         PR target/16407
1349         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
1350         * config/mips/mips.c (mips_declare_common_object): New function,
1351         mostly split out from...
1352         (mips_output_aligned_decl_common): ...here.
1353         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
1354         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
1355         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
1356         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
1357
1358 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1359
1360         PR c/16392
1361         * function.c (assign_parms): Fix typo from previous change.
1362
1363 2004-07-07  Jason Merrill  <jason@redhat.com>
1364
1365         PR c++/15815
1366         * doc/extend.texi (C++ Interface): Correct information and
1367         discourage use.
1368
1369 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
1370
1371         PR target/16130
1372         PR target/16142
1373         PR target/16143
1374         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
1375         insn.
1376
1377 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
1378
1379         PR target/1679.
1380         * config/m32r/m32r.c (m32r_function_symbol): New function:
1381         Generate a symbol name RTX with the correct m32r specific flags
1382         set.
1383         (block_move_call): Use new function to generate correct symbol.
1384         * config/m32r/m32r-protos.h: Add prototype for new funcion.
1385         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
1386         function.
1387
1388 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
1389
1390         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
1391         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
1392         TYPE_BINFO_BASETYPE): Remove.
1393         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
1394         to ...
1395         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
1396         here.
1397         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
1398         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
1399         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
1400         (struct tree_binfo): Rename base_types to base_binfos.
1401         * alias.c (record_component_aliases): Adjust BINFO macros.
1402         * dbxout.c (dbxout_type): Likewise.
1403         * dwarf2out.c (gen_member_die): Likewise.
1404         * sdbout.c (sdbout_one_type): Likewise.
1405         * tree-dump.c (deque_and_dump): Likewise.
1406         * config/i386/i386.c (classify_argument,
1407         contains_128bit_aligned_vector_p): Likewise.
1408
1409 2004-07-07  Nick Clifton  <nickc@redhat.com>
1410
1411         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
1412         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
1413
1414 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
1415
1416         * vec.h: Fix the example use.
1417
1418 2004-07-06  Richard Henderson  <rth@redhat.com>
1419
1420         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
1421         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
1422         * tree-inline.c (copy_body_r, setup_one_parameter,
1423         initialize_inlined_parameters, expand_call_inline,
1424         declare_inline_vars): Don't check it.
1425         (expand_calls_inline): Remove old version, rename new version
1426         from gimple_expand_calls_inline.
1427         * tree-optimize.c (execute_gimple): Remove.
1428         (pass_gimple): Don't run anything.
1429
1430 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
1431
1432         * doc/sourcebuild.texi: Use semicolons instead of commas in
1433         section title.
1434
1435 2004-07-06  Richard Henderson  <rth@redhat.com>
1436
1437         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
1438         (sra_walk_modify_expr, scan_init): Likewise.
1439         (generate_element_zero): Check visited before scanning children.
1440         (generate_element_init): Set visited on error.
1441         (scalarize_init): Handle generate_element_init failure similar
1442         to use_block_copy.
1443
1444 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
1445
1446         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
1447         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
1448
1449 2004-07-06  Richard Henderson  <rth@redhat.com>
1450
1451         * config/i386/i386.c (legitimize_pic_address): Make static.
1452         (legitimize_address): Handle CONST with TLS operand.
1453         (ix86_expand_move): Don't call legitimize_pic_address directly.
1454         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
1455
1456 2004-07-06  Roger Sayle  <roger@eyesopen.com>
1457
1458         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
1459         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
1460         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
1461         is currently executed unconditionally, i.e. not in "else_bb".
1462
1463 2004-07-06  Steven Bosscher  <stevenb@suse.de>
1464
1465         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
1466         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1467         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
1468         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1469         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
1470         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1471         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
1472         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1473         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
1474         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1475         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
1476         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1477         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
1478         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1479         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
1480         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1481
1482 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
1483
1484         * dojump.c (do_jump): REFERENCE_EXPR is dead.
1485         * expr.c (expand_expr_real_1): Ditto.
1486         * tree-inline.c (estimate_num_insns_1): Ditto.
1487         * tree-pretty-print.c (dump_generic_node): Ditto.
1488         (op_symbol): Ditto.
1489         * tree.def: Ditto.
1490
1491 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
1492
1493         * tree-ssa-pre.c (reference_node_pool): New pool.
1494         (find_or_generate_expression): Class 'r' is okay too.
1495         (create_value_expr_from): Ditto.
1496         (add_to_sets): LHS should not include vuses.
1497         (eliminate): Ditto.
1498         (compute_avail): Reverse ordering of tests.
1499         Valuize INDIRECT_REF as well.
1500
1501 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
1502
1503         PR rtl-optimization/16380
1504         * loop.c (check_dbra_loop): Sink comparison instructions if they
1505         do something other than set cc0.
1506
1507 2004-07-06  James E Wilson  <wilson@specifixinc.com>
1508
1509         * doc/interface.texi (longjmp and automatic variables): Delete
1510         paragraph recommending taking the address of a variable.
1511
1512 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
1513
1514         * vec.h (VEC_embedded_alloc): Remove.
1515         (VEC_embedded_size, VEC_embedded_init): New.
1516         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
1517         MEM_STAT_INFO.
1518         (VEC_truncate): New.
1519         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
1520         (vec_embedded_alloc): Remove.
1521         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
1522         (vec_embedded_alloc): Remove.
1523
1524 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
1525
1526         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
1527         (gt-langhooks.h): Remove.
1528
1529 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
1530
1531         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
1532
1533 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
1534
1535         * config/sparc/sparc.c (get_pc_symbol): Rename into
1536         add_pc_to_pic_symbol.
1537         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
1538         (load_pic_register): Account for previous changes.
1539         Use reg_names.  Don't create the label twice.
1540         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
1541         UNSPEC_LOAD_PCREL_SYM.
1542         (get_pc): Rename into load_pcrel_sym.  Add predicate to
1543         operands.  Remove condition.
1544
1545 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
1546
1547         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
1548         RECORD, UNION & QUAL_UNION is actually a binfo.
1549
1550         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
1551         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
1552         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
1553         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
1554         * dwarf2out.c (add_data_member_location_attribute): Likewise.
1555         (gen_inheritance_die): Likewise.
1556         * tree-dump.c (deque_and_dump): Likewise.
1557         * doc/c-tree.texi (Binfos): Add under reconstruction note.
1558
1559 2004-07-06  Steven Bosscher  <stevenb@suse.de>
1560
1561         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
1562         Define.
1563         * config/mcore/mcore.md: Model memory latency with a simple DFA
1564         pipeline description instead of a define_function_unit.
1565
1566 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1567
1568         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
1569         * langhooks.h (var_mod_type_p): Likewise.
1570         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
1571         * expr.c (count_type_elements): Properly handle return from
1572         array_type_nelts and properly test for overflow.
1573         * gimplify.c (gimplify_init_constructor): Properly handle return
1574         from array_type_nelts.
1575         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
1576         * integrate.c (copy_decl_for_inlining): Correct comments.
1577         * tree-inline.c (remap_decl): Update comments, remove dead code,
1578         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
1579         (remap_type): Only remap if variably modified by vars in function
1580         being inlined.
1581         (copy_body_r): Use compatible_type langhooks to see when can fold.
1582         (setup_one_parameter): Don't remap type.
1583         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
1584         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
1585         compute TREE_INVARIANT for decl case.
1586         (find_var_from_fn): New function.
1587         (variably_modified_type_p): Add arg and call new function.
1588         * tree.h (variably_modified_type_p): Add extra arg.
1589
1590 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
1591
1592         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
1593         (goto_handler_and_restore_v9): Delete disabled insn.
1594         (goto_handler_and_restore_v9_sp64): Likewise.
1595
1596 2004-07-05  Roger Sayle  <roger@eyesopen.com>
1597
1598         * calls.c (load_register_parameters): Call expand_shift instead
1599         of expand_binop with ashl_optab (or other shift optab) directly.
1600         * expr.c (emit_group_load, emit_group_store): Likewise.
1601         * function.c (assign_parm_setup_block): Likewise.
1602         * stmt.c (shift_return_value): Likewise.
1603
1604 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
1605
1606         * expr.c (expand_assignment): Disable the bitfield += optimizations.
1607
1608 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
1609
1610         * doc/sourcebuild.texi: Revert previous patch.
1611
1612 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
1613
1614         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
1615         TARGET_MEM_FUNCTIONS.
1616         * system.h: Poison TARGET_MEM_FUNCTIONS.
1617         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
1618         bcmp_libfunc, bzero_libfunc): Remove.
1619         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
1620         bzero_libfunc.
1621         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
1622         * doc/standards.texi: Don't mention calling BSD string functions.
1623         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
1624         * config/vax/t-memfuncs: New.
1625         * config/memcmp.c, config/memcpy.c, config/memmove.c,
1626         config/memset.c: New.
1627         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
1628         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
1629         vax/t-memfuncs.
1630         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
1631         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
1632         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
1633         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
1634         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
1635         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
1636         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
1637         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
1638         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
1639         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
1640
1641 2004-07-05  Richard Henderson  <rth@redhat.com>
1642
1643         * function.c (assign_parm_setup_reg): Properly rename variables in
1644         FUNCTION_ARG_CALLEE_COPIES section.
1645
1646 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
1647
1648         * tree-mudflap.c: Include cgraph.h.
1649         (mf_init_extern_trees): Rename to mudflap_init.  Export.
1650         Rewrite to create synthetic declarations instead of looking
1651         up declarations from mf-runtime.h.
1652         (mf_make_builtin, mf_make_cache_struct_type): New functions.
1653         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
1654         Correct commentary.
1655         (execute_mudflap_function_decls, mudflap_register_call):
1656         Don't call mf_init_extern_trees.
1657         (mudflap_finish_file): Use cgraph_build_static_cdtor.
1658
1659         * tree-mudflap.h: Update prototypes.
1660         * c-mudflap.c: Delete file.
1661         * c-common.c: Include tree-mudflap.h.
1662         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
1663         * Makefile.in: Remove all references to c-mudflap.o.
1664         Update dependencies.
1665
1666 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1667
1668         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
1669         displacements with the spatial-locality cache-control completer.
1670
1671 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
1672
1673         * langhooks.c: Don't include gt-langhooks.h.
1674         (var_labelno): Delete.
1675         (lhd_set_decl_assembler_name): Do not append a distinguishing
1676         number to file-scope internal-linkage declarations for the first
1677         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
1678         the declaration itself (if at block scope), or its containing
1679         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
1680         number.
1681
1682         * opts.c (cur_in_fname): New global.
1683         * opts.h: Declare it.
1684         * tree.c: Include opts.h.
1685         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
1686         DECL_UID equal to cur_in_fname.
1687         (copy_node_stat): Do not change DECL_UID when copying a
1688         TRANSLATION_UNIT_DECL.
1689         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
1690         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
1691
1692         * c-decl.c (c_static_assembler_name): Delete.
1693         * c-tree.h (c_static_assembler_name): Delete prototype.
1694         * c-lang.c, objc/objc-lang.c: Don't override
1695         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
1696
1697         * Makefile.in (tree.o): Update dependencies.
1698         (GTFILES): Remove langhooks.c.
1699
1700 2004-07-05  Roger Sayle  <roger@eyesopen.com>
1701
1702         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
1703         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
1704         Normalize "X % C" as "X % -C" for signed modulus and negative C.
1705         Optimize "X % -Y" as "X % Y" for signed modulus.
1706         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
1707         into "((unsigned) X % Y) == 0".
1708
1709 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
1710
1711         * sourcebuild.texi (Config Fragments): Use @comma{} in
1712         cross-reference to section title.
1713
1714 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1715
1716         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
1717         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
1718         (gimplify_target_expr, gimplify_expr): Likewise.
1719         (copy_if_shared_r): No longer need special case for BIND_EXPR.
1720         (unshare_body, unvisit_body): Only look at nested if BODY_P is
1721         whole function.
1722         (gimplify_compound_lval): See if we can strip any useless conversion.
1723         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
1724         from RHS, not LHS.
1725         (gimplify_modify_expr_to_memset): Likewise.
1726         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
1727         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
1728         (declare_inline_vars): Likewise.
1729         (walk_type_fields): New function.
1730         (walk_tree): Use it.
1731         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
1732
1733         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
1734         (sra_walk_modify_expr): Allow init function to fail.
1735         (scan_init): Now returns bool.
1736         (generate_element_init): If can't understand INIT, return false.
1737         (scalarize_init): Return false if generate_element_init does.
1738
1739         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
1740         print bounds.
1741
1742         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
1743         bounds if bounds aren't constant.
1744
1745         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
1746
1747         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
1748         to type hooks; remove bogus PARAMS.
1749
1750 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
1751
1752         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
1753         * dwarf2out.c (add_data_member_location_attribute): Check for
1754         TREE_BINFO.
1755         * tree.c (tree_node_kinds): Add "binfos".
1756         (binfo_lang_slots): New.
1757         (make_node_stat): Add TREE_BINFO.
1758         (make_tree_binfo_stat): New.
1759         (tree_node_structure): Add TREE_BINFO.
1760         * tree.def (TREE_BINFO): New.
1761         * tree.h (REC_OR_UNION_CHECK): Rename to ...
1762         (RECORD_OR_UNION_CHECK): ... here.
1763         (NOT_RECORD_OR_UNION_CHECK): New.
1764         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
1765         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
1766         RECORD_OR_UNION_CHECK.
1767         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
1768         (TYPE_LANG_SLOT_1): New.
1769         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
1770         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
1771         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
1772         (BINFO_ELTS): Remove.
1773         (BINFO_LANG_SLOT): New.
1774         (struct tree_binfo): New.
1775         (binfo_lang_slots): Declare.
1776         (enum tree_node_structure_enum): Add TS_BINFO.
1777         (union tree_node): Add binfo.
1778         (make_tree_binfo_stat): Declare.
1779         (make_tree_binfo): New.
1780         (enum tree_node_kind): Add binfo_kind.
1781
1782         * objc/objc-act.c (start_class, objc_declare_protocols,
1783         start_protocols): Use TYPE_LANG_SLOT_1.
1784         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
1785         to ...
1786         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
1787         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
1788         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
1789         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
1790
1791 2004-07-05  Steven Bosscher  <stevenb@suse.de>
1792
1793         * rtl.h (struct rtx_def): Remove the integrated flag.
1794         Use the return_val flag for MEM_SCALAR_P.
1795         Reshuffle and update flags in CLEAR_RTX_FLAGS.
1796
1797 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
1798
1799         PR target/16357
1800         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
1801         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
1802         move_by_pieces.
1803
1804 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
1805
1806         * var-tracking.c: Fix some comments.
1807         (frame_stack_adjust): New.
1808         (vt_stack_adjustments): Init stack_adjust of entry block to
1809         minus stack adjustment of function prologue.
1810         (adjust_stack_reference): Do not adjust if adjustment == 0.
1811         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
1812         (emit_notes_in_bb): Likewise.
1813         (vt_add_function_parameters): Do not adjust locations of
1814         function arguments.
1815         (vt_initialize): Compute the stack adjustment of function
1816         prologue and offset the initial "location" of frame_base_decl
1817         from the stack pointer after prologue.
1818
1819 2004-07-04  Richard Henderson  <rth@redhat.com>
1820
1821         * function.c (struct assign_parm_data_all): New.
1822         (struct assign_parm_data_one): New.
1823         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
1824         assign_parm_find_data_types, assign_parms_setup_varargs,
1825         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
1826         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
1827         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
1828         assign_parm_setup_block, assign_parm_setup_reg,
1829         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
1830         (assign_parms): ... here.
1831
1832 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
1833
1834         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
1835         now are bitmap_set_t's.
1836         (bitmap_insert_into_set): No point in inserting the value if
1837         it's invariant.
1838         (bitmap_set_contains): New function.
1839         (bitmap_set_replace_value): Add comment on why we do it
1840         this way.
1841         (set_contains): Removed.
1842         (bitmap_set_subtract_from_value_set): New name of
1843         set_subtract now that it's arguments are two different
1844         types of sets.
1845         Update callers.
1846         (bitmap_find_leader): Change algorithm used.
1847         (find_or_generate_expression): Update use of functions for new
1848         bitmap sets.
1849         (create_expression_by_pieces): Ditto.
1850         (insert_aux): Ditto.
1851         (insert): Ditto.
1852         (add_to_sets): Ditto.
1853         (init_pre): Ditto.
1854         (execute_pre): Ditto.
1855         (compute_avail): Ditto.
1856         Also ignore virtual phis.
1857
1858 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
1859
1860         * combine.c (simplify_comparison): Fix comment typo.
1861
1862 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
1863
1864         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
1865         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
1866         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
1867         (output_restore): Change parameter from 'insn' to 'pat'.
1868         (output_return): Adjust call to output_restore.
1869         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
1870         Adjust call to output_restore.
1871
1872 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
1873
1874         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
1875         and assert system is bsd.
1876
1877 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
1878
1879         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
1880         (TARGET_SWITCHES): Remove -mdebugc.
1881         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
1882         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
1883         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
1884         (sle_[sd]i_reg): Delete.
1885
1886 2004-07-04  Steven Bosscher  <stevenb@suse.de>
1887
1888         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
1889         Define.
1890         * config/iq2000/iq2000.md: Translate old pipeline description to an
1891         equivalent new one.
1892
1893 2004-07-04  Roger Sayle  <roger@eyesopen.com>
1894
1895         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
1896         Ensure the replacement rhs is valid gimple before performing
1897         the substitution.  Return false if these sanity checks fail.
1898         (fold_stmt): Only set changed to true, if set_rhs returns true.
1899         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
1900         succeeds.
1901
1902 2004-07-04  Richard Henderson  <rth@redhat.com>
1903
1904         PR c/16348
1905         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
1906
1907 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
1908
1909         * configure.ac (ranlib_flags): New variable.
1910         * Makefile.in (RANLIB_FLAGS): New variable.
1911         (libbackend.a): Use it.
1912         * configure: Regenerated.
1913
1914 2004-07-04  Roger Sayle  <roger@eyesopen.com>
1915
1916         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
1917         a "sign mask" instead of using ashr_optab directly.
1918
1919 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
1920
1921         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
1922         * doc/cppopts.texi: Clarify processing of command-line defines.
1923
1924 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
1925
1926         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
1927
1928 2004-07-04  Richard Henderson  <rth@redhat.com>
1929
1930         * rtl.def (ADDRESSOF): Remove.
1931         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
1932         (find_base_term, memrefs_conflict_p): Likewise.
1933         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
1934         (fold_rtx, cse_insn, set_live_p): Likewise.
1935         * dwarf2out.c (mem_loc_descriptor): Likewise.
1936         (add_location_or_const_value_attribute): Likewise.
1937         * emit-rtl.c (copy_insn_1): Likewise.
1938         * explow.c (memory_address): Likewise.
1939         * expmed.c (store_split_bit_field): Likewise.
1940         * expr.c (expand_expr_real_1): Likewise.
1941         * function.c (instantiate_decl
1942         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
1943         * genrecog.c (preds, validate_pattern): Likewise.
1944         * integrate.c (copy_rtx_and_substitute): Likewise.
1945         * recog.c (general_operand, register_operand): Likewise.
1946         (memory_address_p): Likwise.
1947         * reload1.c (eliminate_regs, elimination_effects): Likewise.
1948         * rtl.c (copy_rtx): Likewise.
1949         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
1950         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
1951         * rtlhooks.c (gen_lowpart_general): Likewise.
1952         * stmt.c (expand_asm_operands): Likewise.
1953         * web.c (entry_register, replace_ref, web_main): Likewise.
1954         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
1955         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
1956         * config/arm/arm.c (thumb_rtx_costs): Likewise.
1957         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
1958         * config/frv/frv.c (move_destination_operand, move_source_operand,
1959         condexec_dest_operand, condexec_source_operand,
1960         condexec_memory_operand): Likewise.
1961         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
1962         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
1963         (destination_xfmode_operand): Likewise.
1964         * config/mips/mips.h (PREDICATE_CODES): Likewise.
1965         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
1966         * config/s390/s390.c (general_s_operand): Likewise.
1967         * config/s390/s390.md (mov*): Likewise.
1968         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
1969
1970         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
1971         * expr.c (expand_expr_real_1): Likewise.
1972         * stmt.c (expand_decl): Likewise.
1973         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1974
1975         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
1976         postponed_insns, put_var_into_stack, put_reg_into_stack,
1977         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
1978         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
1979         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
1980         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
1981         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
1982         purge_bitfield_addressof_replacements, purge_addressof_replacements,
1983         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
1984         struct insns_for_mem_walk_info, insns_for_mem_walk,
1985         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
1986         setjmp_protect_args): Remove.
1987         (push_function_context_to): Don't handle var_refs_queue.
1988         (pop_function_context_from, free_after_compilation): Likewise.
1989         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
1990         (assign_parms, allocate_struct_function): Likewise.
1991         (use_register_for_decl): New.
1992         (expand_function_end): Don't setjmp_protect.
1993         * function.h (struct emit_status): Update commentary.
1994         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
1995         (max_parm_reg, parm_reg_stack_loc): Remove.
1996         * passes.c (DFI_addressof): Remove.
1997         (dump_file_info): Remove addressof.
1998         (rest_of_handle_addressof): Remove.
1999         (rest_of_compilation): Don't call it.
2000         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
2001         * stmt.c (expand_decl): Use use_register_for_decl.
2002         * tree.h: Update decls.
2003         * web.c (mark_addressof): Remove.
2004         * doc/invoke.texi (-dF): Remove.
2005
2006 2004-07-03  Richard Henderson  <rth@redhat.com>
2007
2008         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
2009         instead of gen_mem_addressof.
2010         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
2011         TImode output register.
2012
2013 2004-07-03  Richard Henderson  <rth@redhat.com>
2014
2015         PR tree-optimization/16341
2016         * tree-sra.c (sra_walk_function): Increment to next stmt before
2017         processing the current stmt.
2018         (sra_insert_after): Always use BSI_SAME_STMT.
2019
2020 2004-07-03  Richard Henderson  <rth@redhat.com>
2021
2022         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
2023         fp plus with minus.
2024
2025 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
2026
2027         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
2028         with tree_int_cst_equal.
2029
2030 2004-07-03  Andreas Schwab  <schwab@suse.de>
2031
2032         * config/ia64/ia64.md: Define new attribute "empty".
2033         (prologue_use, nop_x, insn_group_barrier): Set it.
2034
2035         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
2036         skip over "empty" insns.
2037
2038 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2039
2040         * tree-inline.c (initialize_inlined_parameters): Pass proper function
2041         context to gimplify_body.
2042         (walk_tree): Don't walk into types twice.
2043         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
2044
2045         * tree-sra.c (generate_element_init): Remove any useless conversions.
2046
2047         * gimplify.c (gimplify_conversion): Remove stripping useless
2048         conversions from here.
2049         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
2050         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
2051         Unshare before substituting PLACEHOLDER_EXPR.
2052         (gimplify_modify_expr_to_memset): Likewise.
2053         Pass address of TO to memset, not TO itself.
2054         (gimplify_init_constructor): Make copy of OBJECT so we have it each
2055         time we make an expression (to match a PLACEHOLDER_EXPR).
2056
2057         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
2058         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
2059         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
2060         * tree-ssa-dom.c (local_fold): Likewise.
2061
2062         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
2063         * langhooks.h (strct lang_hooks): New field type_max_size.
2064         * function.c (assign_temp): Call it.
2065
2066 2004-07-03  Steven Bosscher  <stevenb@suse.de>
2067
2068         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
2069         * config/sh/sh.md: Convert the SH1 pipeline description to
2070         a DFA model.
2071
2072 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
2073
2074         * c-decl.c (struct c_binding): Remove contour field; add
2075         depth, invisible, nested fields.
2076         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
2077         (B_IN_EXTERNAL_SCOPE): New convenience macros.
2078         (bind): Add invisible and nested arguments. Initialize
2079         new fields of struct c_binding; adjust loop scanning for
2080         insertion point.
2081         (free_binding_and_advance): Clear structure with memset.
2082         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
2083         in file scope, even if it's in external scope too.
2084         (pushdecl): Adjust to match.  Create invisible file-scope
2085         declarations for block-scope forward declarations of static functions.
2086         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
2087         (undeclared_variable, lookup_label, declare_label, define_label)
2088         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
2089         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
2090         (store_parm_decls_oldstyle): Adjust to match.
2091         (diagnose_mismatched_decls): Correct handling of linkage clashes.
2092         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
2093
2094         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
2095         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
2096
2097 2004-07-02  Richard Henderson  <rth@redhat.com>
2098
2099         * c-decl.c (grokdeclarator): Don't frob current_function_decl
2100         around variable_size.
2101         (set_decl_nonlocal): Remove.
2102         (store_parm_decls): Add stmts for pending sizes.
2103         * calls.c (calls_function, calls_function_1): Remove.
2104         (precompute_arguments): Don't call it.
2105         * cfgexpand.c (set_save_expr_context): Remove.
2106         (tree_expand_cfg): Don't call it.
2107         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
2108         (dwarf2out_finish): Likewise.
2109         * expr.c (emit_block_move): Adjust addresses to BLKmode.
2110         (store_constructor): Don't pre-evaluate SAVE_EXPR.
2111         (safe_from_p): Don't queue SAVE_EXPRs.
2112         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
2113         or build plain VAR_DECLs.
2114         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
2115         (fold): Likewise.
2116         (fold_checksum_tree): Don't special-case SAVE_EXPR.
2117         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
2118         (put_var_into_stack): Don't handle SAVE_EXPR.
2119         (gen_mem_addressof): Likewise.
2120         * function.h (struct function): Remove x_save_expr_regs.
2121         (save_expr_regs): Remove.
2122         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
2123         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
2124         * stor-layout.c (variable_size): Don't set it.
2125         (force_type_save_exprs, force_type_save_exprs_1): Remove.
2126         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
2127         all callers.  Don't set SAVE_EXPR_CONTEXT.
2128         * tree-inline.h (remap_save_expr): Update decl.
2129         * tree.c (save_expr): Update build size.
2130         (first_rtl_op): Don't handle SAVE_EXPR.
2131         (unsave_expr_1, contains_placeholder_p): Likewise.
2132         (decl_function_context): Likewise.
2133         * tree.def (SAVE_EXPR): Remove args 1 and 2.
2134         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
2135         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
2136
2137 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
2138
2139         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
2140         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
2141         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
2142         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
2143         some first-person references and patronizing comments.  Based on
2144         printed manual.
2145         * doc/invoke.texi: Don't reference fortran@gnu.org.
2146         * doc/trouble.texi (Warning when a non-void function value is
2147         ignored): Rewrite.  From Russ Allbery and Chris Devers.
2148
2149 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
2150
2151         * tree-ssa-pre.c (bitmap_set_t): New.
2152         (bb_value_sets): avail_out is now a bitmap_set_t.
2153         (bitmap_find_leader): New function.
2154         (bitmap_value_insert_into_set): Ditto.
2155         (bitmap_set_copy): Ditto.
2156         (bitmap_value_replace_in_set): Ditto.
2157         (bitmap_set_contains_value): Ditto.
2158         (bitmap_set_new): Ditto.
2159         (bitmap_set_pool): New pool.
2160         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
2161         (insert_aux): Ditto.
2162         (add_to_sets): Ditto.
2163         (compute_avail): Ditto
2164         (eliminate): Ditto.
2165         (init_pre): Ditto.
2166         (fini_pre): Ditto.
2167         (execute_pre): Ditto.
2168
2169 2004-07-02  Roger Sayle  <roger@eyesopen.com>
2170
2171         * config/rs6000/rs6000.c (struct processor_costs): New structure
2172         used to hold instruction latencies/sizes for processor types.
2173         (rs6000_cost): New global variable pointing to current CPU's costs.
2174         (rs6000_override_options): Initialize rs6000_cost to point to the
2175         appropriate cost table based upon rs6000_cpu and optimize_size.
2176         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
2177         timings inline.
2178
2179 2004-07-02  Richard Henderson  <rth@redhat.com>
2180
2181         * expmed.c (make_tree): Don't use SET_DECL_RTL.
2182
2183 2004-07-02  Steven Bosscher  <stevenb@suse.de>
2184
2185         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
2186
2187 2004-07-01  Richard Henderson  <rth@redhat.com>
2188
2189         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
2190         (alpha_gp_save_rtx): Use assign_stack_local instead of
2191         gen_mem_addressof.
2192
2193 2004-07-01  Richard Henderson  <rth@redhat.com>
2194
2195         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
2196         (alpha_rtx_cost_data): Update to match.
2197         (alpha_rtx_cost_size): New.
2198         (alpha_rtx_costs): Honor optimize_size.
2199
2200 2004-07-01  Richard Henderson  <rth@redhat.com>
2201
2202         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
2203         * cfgexpand.c (tree_expand_cfg): Do it here.
2204         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
2205         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
2206         * config/mips/mips.c (mips_output_mi_thunk): And here.
2207         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
2208         * config/sh/sh.c (sh_output_mi_thunk): And here.
2209         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
2210
2211 2004-07-01  Richard Henderson  <rth@redhat.com>
2212
2213         * tree.def (RTL_EXPR): Remove.
2214         * c-typeck.c (lvalue_p): Don't handle it.
2215         * expr.c (safe_from_p): Likewise.
2216         (expand_expr_real_1): Likewise.
2217         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
2218         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
2219         * gengtype.c (adjust_field_tree_exp): Likewise.
2220         * stmt.c (warn_if_unused_value): Likewise.
2221         * tree-gimple.c (recalculate_side_effects): Likewise.
2222         * tree-pretty-print.c (dump_generic_node): Likewise.
2223         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
2224         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
2225         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
2226
2227         * stmt.c (struct stmt_status): Remove x_last_expr_type,
2228         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
2229         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
2230         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
2231         all the bits that tracked last_expr.
2232         (expand_end_bindings): Don't track last_expr.
2233         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
2234         (clear_last_expr): Remove.
2235         (expand_asm): Don't call it.
2236         (expand_asm_operands, expand_end_cond): Likewise.
2237         (expand_naked_return, expand_null_return_1): Likewise.
2238         * c-typeck.c (c_begin_compound_stmt): Likewise.
2239         * cfgexpand.c (expand_block): Use expand_expr_stmt.
2240         * expr.c (expand_expr_real_1): Likewise.
2241         * tree.h: Update prototypes.
2242
2243         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
2244         (struct emit_status): Remove sequence_rtl_expr.
2245         (struct function): Remove x_rtl_expr_chain.
2246         (seq_rtl_expr, rtl_expr_chain): Remove.
2247         * function.c (struct temp_slot): Remove rtl_expr.
2248         (assign_stack_temp_for_type): Don't set it.
2249         (free_temp_slots, pop_temp_slots): Don't check it.
2250         (free_after_compilation): Don't clear x_rtl_expr_chain.
2251         (fixup_var_refs): Don't search it.
2252         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
2253         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
2254         or seq_rtl_expr.
2255         (push_topmost_sequence): Likewise.
2256         (end_sequence, init_emit): Likewise.
2257         (start_sequence_for_rtl_expr): Remove.
2258         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
2259         * rtl.h (preserve_rtl_expr_result): Remove.
2260
2261 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
2262
2263         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
2264         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
2265         typos.
2266
2267 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
2268
2269         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
2270         (STANDARD_STARTFILE_PREFIX_2): Define.
2271         (standard_startfile_prefix_1): Initialize to
2272         STANDARD_STARTFILE_PREFIX_1.
2273         (standard_startfile_prefix_2): Initialize to
2274         STANDARD_STARTFILE_PREFIX_2.
2275         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
2276         (STANDARD_STARTFILE_PREFIX_1): Define.
2277         (STANDARD_STARTFILE_PREFIX_2): Define.
2278         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
2279         (STANDARD_STARTFILE_PREFIX_2): Document.
2280
2281 2004-07-01  Richard Henderson  <rth@redhat.com>
2282
2283         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
2284         in order to disable scalarization.  Instead set a flag and wait
2285         for a candidate decl.
2286
2287 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
2288
2289         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
2290         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
2291         Use terminology "testsuite" and "enumerated".
2292
2293 2004-07-01  Richard Henderson  <rth@redhat.com>
2294
2295         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
2296         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
2297         (initial_return_save): Likewise.
2298         (flush_queued_reg_saves): Remap register numbers.
2299         (dwarf2out_return_reg): Likewise.
2300
2301 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2302
2303         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
2304
2305         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
2306         access functions for lower bound and element size and only output
2307         if lower bound nonzero or element size not same as that of type.
2308         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
2309
2310 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
2311
2312         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
2313
2314 2004-07-01  Per Bothner  <per@bothner.com>
2315
2316         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
2317
2318 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
2319
2320         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
2321         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
2322         first operand.  Don't optimize if the bitfield is volatile.
2323
2324 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
2325
2326         * c-pretty-print.c (pp_c_postfix_expression): Handle
2327         floating-point comparison operators.
2328         (pp_c_expression): Pass floating-point comparison
2329         operators to pp_c_postfix_expression.
2330
2331 2004-07-01  Roger Sayle  <roger@eyesopen.com>
2332
2333         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
2334         rtx_cost instead of "had_mult" to determine whether the transformed
2335         expression is cheaper than the original.
2336
2337 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
2338
2339         * alias.c (get_alias_set, canon_rtx, get_addr,
2340         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
2341         Use MEM_P.
2342         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
2343         expand_builtin): Likewise.
2344         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
2345         Likewise.
2346         * combine.c (can_combine_p, combinable_i3pat, try_combine,
2347         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
2348         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
2349         record_dead_and_set_regs_1, get_last_value_validate,
2350         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
2351         * cse.c (check_dependence, canon_hash, equiv_constant,
2352         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
2353         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
2354         count_reg_usage): Likewise.
2355         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
2356         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
2357         cselib_record_sets): Likewise.
2358         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
2359         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
2360         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
2361         * df.c (df_uses_record): Likewise.
2362         * dojump (do_jump): Likewise.
2363         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
2364         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
2365         decl_start_label): Likewise.
2366         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
2367         operand_subword, change_address_1, make_safe_from): Likewise.
2368         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
2369         stabilize, force_not_mem): Likewise.
2370         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
2371         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
2372         * expr.c (convert_move, convert_modes, emit_block_move,
2373         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
2374         emit_move_insn_1, expand_assignment, store_expr,
2375         store_constructor_field, store_constructor, store_field,
2376         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
2377         Likewise.
2378         * final.c (cleanup_subreg_operands, alter_subreg,
2379         get_mem_expr_from_op): Likewise.
2380         * flow.c (notice_stack_pointer_modification_1,
2381         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
2382         Likewise.
2383         * function.c (mark_temp_addr_taken, preserve_temp_slots,
2384         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
2385         optimize_bit_field, flush_addressof, purge_addressof_1,
2386         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
2387         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
2388         keep_stack_depressed): Likewise.
2389         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
2390         noce_process_if_block, find_memory): Likewise.
2391         * integrate.c (subst_constants, allocate_initial_values): Likewise.
2392         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
2393         update_equiv_regs): Likewise.
2394         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
2395         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
2396         * optabs.c (expand_abs, emit_unop_insn): Likewise.
2397         * passes.c (rest_of_handle_final): Likewise.
2398         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
2399         move2add_note_store): Likewise.
2400         * ra-build.c (detect_remat_webs): Likewise.
2401         * ra-debug.c (dump_static_insn_cost): Likewise.
2402         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
2403         * recog.c (validate_change, apply_change_group, cancel_changes,
2404         validate_replace_rtx_1, general_operand, register_operand,
2405         nonmemory_operand, push_operand, pop_operand, memory_operand,
2406         indirect_operand, asm_operand_ok, offsettable_memref_p,
2407         offsettable_nonstrict_memref_p, constrain_operands,
2408         store_data_bypass_p): Likewise.
2409         * reg-stack.c (subst_stack_regs_pat): Likewise.
2410         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
2411         copy_cost, reg_scan_mark_refs): Likewise.
2412         * regmove.c (optimize_reg_copy_3, stack_memref_p,
2413         combine_stack_adjustments_for_block): Likewise.
2414         * regrename.c (copyprop_hardreg_forward_1): Likewise.
2415         * reload.c (can_reload_into, push_reload, decompose, immune_p,
2416         find_reloads, find_reloads_address, find_reloads_address_1,
2417         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
2418         find_equiv_reg): Likewise.
2419         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
2420         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
2421         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
2422         delete_address_reloads): Likewise.
2423         * resource.c (mark_referenced_resources): Likewise.
2424         * rtlanal.c (get_jump_table_offset, count_occurrences,
2425         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
2426         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
2427         num_sign_bit_copies1): Likewise.
2428         * rtlhooks.c (gen_lowpart_general): Likewise.
2429         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
2430         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
2431         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
2432         sdbout_global_decl): Likewise.
2433         * simplify-rtx.c (simplify_subreg): Likewise.
2434         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
2435         expand_anon_union_decl, expand_end_case_type): Likewise.
2436         * unroll.c (calculate_giv_inc): Likewise.
2437         * var-tracking.c (stack_adjust_offset_pre_post,
2438         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
2439         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
2440         vt_add_function_parameters): Likewise.
2441         * varasm.c (make_var_volatile, notice_global_symbol,
2442         assemble_external, decode_addr_const, mark_weak,
2443         default_encode_section_info): Likewise.
2444
2445 2004-07-01  Steven Bosscher  <stevenb@suse.de>
2446
2447         * stmt.c (check_seenlabel): Remove.
2448         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
2449
2450 2004-07-01  Richard Henderson  <rth@redhat.com>
2451
2452         * function.h (struct function): Remove x_function_call_count.
2453         (function_call_count): Remove.
2454         * calls.c (expand_call): Don't set it.
2455         * integrate.c (copy_rtx_and_substitute): Likewise.
2456
2457         * function.h (struct function): Remove x_cleanup_label.
2458         (cleanup_label): Remove.
2459         * stmt.c (expand_value_return): Don't use it.
2460         * function.c (free_after_compilation): Don't set it.
2461         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
2462         * cfgexpand.c (tree_expand_cfg): Update call.
2463         * tree.h (expand_function_start): Update decl.
2464
2465 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
2466
2467         PR c/1027
2468         * c-lang.c (c_initialize_diagnostics): Move from here ...
2469         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
2470         (c_tree_printer): Use pretty-printer to format %T.
2471         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
2472         before '*' if not C++.
2473         (pp_c_direct_abstract_declarator): Don't try to print array upper
2474         bound for flexible array members.
2475         * c-tree.h: Include "diagnostic.h".
2476         (c_initialize_diagnostics): Declare.
2477         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
2478         * c-format.c (format_type_warning): New function.  Improve
2479         diagnostics for incorrect format argument types.
2480         (check_format_types): Use it.  Add two parameters.  Use the
2481         TYPE_MAIN_VARIANT of wanted_type.
2482         (check_format_info_main): Pass new parameters to
2483         check_format_types.
2484         (struct format_wanted_type): Update comment.
2485
2486 2004-07-01  Nick Clifton  <nickc@redhat.com>
2487
2488         * target.h (struct gcc_target): Add new field to struct cxx:
2489         import_export_class.
2490         * target-def.h (TARGET_CXX): Initialise the new field.
2491         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
2492         the new field.
2493         * doc/tm.texi: Document the new target hook.
2494
2495 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
2496
2497         * builtins.c (fold_builtin_classify): Fix typo.
2498
2499 2004-07-01  Richard Henderson  <rth@redhat.com>
2500
2501         * function.c (identify_blocks, identify_blocks_1): Remove.
2502         * function.h (identify_blocks): Remove.
2503         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
2504
2505 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
2506
2507         * builtins.c (fold_builtin_classify): New.
2508         (fold_builtin_unordered_cmp): Fix commentary.
2509         (fold_builtin): Use it.
2510         * builtins.def: Define builtins for isnan,
2511         isnanf, isnanl, finite, finitef, finitel,
2512         isinf, isinff, isinfl.
2513
2514 2004-07-01  Richard Henderson  <rth@redhat.com>
2515
2516         * function.h (struct function): Remove dont_emit_block_notes.
2517         * gimple-low.c (lower_function_body): Don't set it.
2518         * cfgexpand.c (expand_block): Don't check it.
2519         * cfglayout.c (insn_locators_initialize): Likewise.
2520         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
2521         * passes.c (rest_of_compilation): Likewise.
2522         * stmt.c (expand_start_bindings_and_block): Likewise.
2523         (expand_end_bindings): Likewise.
2524
2525 2004-07-01  Richard Henderson  <rth@redhat.com>
2526
2527         * cgraph.h (cgraph_build_static_cdtor): Declare.
2528         * cgraphunit.c (cgraph_build_static_cdtor): New.
2529         * c-objc-common.c (build_cdtor): Use it.
2530         * coverage.c (create_coverage): Likewise.
2531         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
2532         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
2533
2534 See ChangeLog.11 for earlier changes.