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* gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-07-21  Richard Henderson  <rth@redhat.com>
2
3         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
4         TREE_THIS_VOLATILE, may_aliases, or optimization level.
5         (remove_useless_vars): Dump debugging info.
6         (expand_used_vars): Move ...
7         * cfgexpand.c (expand_used_vars): ... here.  Make static.
8         * tree-flow-inline.h (set_is_used): New.
9         (set_default_def): Use get_var_ann.
10         * tree-flow.h: Update decls.
11         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
12         (create_ssa_var_map): Use it.
13         * tree-ssa.c (set_is_used): Remove.
14
15 2004-07-22  Ben Elliston  <bje@au.ibm.com>
16
17         * gdbinit.in: Set a breakpoint on internal_error.
18
19 2004-07-21  Richard Henderson  <rth@redhat.com>
20
21         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
22         to create a new basic block.
23
24 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
25
26         PR c/15052
27         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
28         return type on function definitions.  Move other warnings for
29         qualified return type to -Wreturn-type.  Do not condition any such
30         warnings on -pedantic.  Update comments.
31         (start_function): Only copy function type from previous prototype
32         declaration if return types are compatible.
33         * c-typeck.c (function_types_compatible_p): Don't condition
34         warning for incompatibility of volatile qualifiers on the return
35         type on -pedantic.  Update comment.
36         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
37
38 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
39
40         * c-typeck.c (set_init_index): Require designator to be of integer
41         type.
42
43 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
44
45         PR c/11250
46         * c-parse.in (init): Change to exprtype.
47         (primary): Set original_code for STRING to STRING_CST.
48         Call maybe_warn_string_init for compound literals.
49         (initdcl, notype_initdcl): Call maybe_warn_string_init.
50         (initval): Update.
51         * c-tree.h (maybe_warn_string_init): New.
52         (pop_init_level, process_init_element): Use struct c_expr.
53         (struct c_expr): Update comment.
54         * c-typeck.c (maybe_warn_string_init): New function.
55         (digest_init): Call it.  Additional parameter strict_string.  All
56         callers changed.
57         (output_init_element): Likewise.
58         (struct constructor_stack): Use struct c_expr for
59         replacement_value.
60         (really_start_incremental_init, push_init_level): Update.
61         (pop_init_level): Update.  Return struct c_expr.
62         (process_init_level): Update.  Take struct c_expr argument.
63
64 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
65
66         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
67         commit.
68
69 2004-07-21  Eric Christopher  <echristo@redhat.com>
70
71         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
72         removal.
73         * c-decl.c (pop_scope): Ditto.
74         * calls.c (expand_call): Remove call to current_nesting_level,
75         update comment accordingly. Remove calls to expand_start_target_temps
76         and expand_end_target_temps.
77         * cfgexpand.c (construct_init_block): Remove call to
78         expand_start_bindings_and_block.
79         (construct_exit_block): Remove call to expand_end_bindings.
80         * expr.c (safe_from_p): Remove BIND_EXPR handling.
81         (expand_expr_real_1): Ditto. Fix formatting.
82         (expand_vars): Delete.
83         * stmt.c (POPSTACK): Remove block_stack.
84         (stmt_status): Remove x_block_stack.
85         (block_stack): Delete.
86         (expand_start_bindings_and_block): Ditto.
87         (expand_start_target_temps): Ditto.
88         (expand_end_target_temps): Ditto.
89         (current_nesting_level): Ditto.
90         (warn_about_unused_variables): Ditto.
91         (expand_end_bindings): Ditto.
92         * tree.h: Remove declarations for above.
93
94 2004-07-21  Steven Bosscher  <stevenb@suse.de>
95
96         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
97         * rtl.c (note_insn_name): Likewise.
98         * print-rtl.c (print_rtx): Don't print it.
99         * cfgrtl.h (can_delete_note_p): Don't handle it.
100         (rtl_delete_block): Likewise.
101         * passes.c (rest_of_handle_guess_branch_prob): Remove.
102         (rest_of_compilation): Don't call it.
103         * predict.c (process_note_predictions, process_note_prediction,
104         note_prediction_to_br_prob): Remove.
105         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
106         * stmt.c (return_prediction): Remove.
107         (expand_value_return): Don't call it.  Don't add prediction
108         notes for return statements.
109
110 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
111
112         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
113         once.
114
115 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
116
117         * c-common.c (vector_types_convertible_p): Use vector types'
118         TYPE_SIZE and TREE_TYPE instead of their mode.
119         * convert.c (convert_to_integer): Likewise.
120         (convert_to_vector): Likewise.
121         * fold-const.c (fold_convert): Likewise.
122         * varasm.c (output_constant): Likewise.
123         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
124         Allow a VECTOR_TYPE initializer to be made of several vectors.
125         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
126         of cleared and need_to_clear, and use fold_convert.
127         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
128         integer vectors.
129
130 2004-07-20  Richard Henderson  <rth@redhat.com>
131
132         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
133         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
134
135 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
136
137         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
138         enormous cost if not TARGET_HARD_MUL.
139
140 2004-07-20  Andrew Pinski  <apinski@apple.com>
141
142         PR target/16557
143         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
144         (ASM_SPEC): here.
145
146 2004-07-21  Paul brook  <paul@codesourcery.com>
147
148         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
149
150 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
151
152         * fold-const.c (operand_equal_p): Temporarily support NULL args.
153         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
154         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
155
156 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
157
158         * rtl.h (plus_constant): Delete.
159         (plus_constant_wide): Rename to plus_constant.
160         (plus_constant_for_output_wide): Delete vestigial prototype.
161         (GEN_INT): Remove unnecessary cast.
162         * tree.h (build_int_2, size_int_type): Delete.
163         (build_int_2_wide): Rename to build_int_2.
164         (size_int_wide): Rename to size_int_kind.
165         (size_int_type_wide): Rename to size_int_type.
166         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
167         Remove unnecessary cast.
168         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
169         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
170         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
171         (size_int_type_wide): Rename size_int_type.
172         (int_const_binop): Use size_int_type.
173         * c-lex.c (interpret_integer): Use build_int_2.
174         * final.c (split_double): Remove unnecessary casts.
175         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
176
177 2004-07-20  Richard Henderson  <rth@redhat.com>
178
179         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
180         (gimplify_compound_lval): Use is_gimple_tmp_reg.
181         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
182         (is_gimple_tmp_reg): New.
183         * tree-gimple.h (is_gimple_tmp_reg): Declare.
184
185 2004-07-20  Richard Henderson  <rth@redhat.com>
186
187         * tree-pretty-print.c (dump_generic_node): Dump
188         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
189
190 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
191
192         * tree-mudflap.c (mf_set_options_fndecl): New tree.
193         (mudflap_init): Set it.
194         (mudflap_register_call): Remove __mf_init call.
195         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
196         to pass "-ignore-reads" option to libmudflap if needed.
197
198 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
199
200         PR c++/14607
201         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
202         (MAKE_DECL_ONE_ONLY): Undefine.
203         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
204         readonly_data, one_only_data_section, forget_section): New prototypes.
205         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
206         functions.
207         (pa_select_section): Add one-only (COMDAT) support.
208         * pa.h (struct machine_function): Define.
209         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
210         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
211         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
212         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
213         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
214         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
215         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
216         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
217         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
218         for EXTRA_SECTION_FUNCTIONS.
219         * doc/install.texi: Update binutils requirements.
220
221 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
222
223         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
224         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
225         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
226         size_t.
227         (struct VEC): Use unsigned for num and alloc.
228         * vec.c (struct vec_prefix): Likewise.
229         (vec_o_reserve): Adjust.
230
231         * dbxout.c (dbxout_type): Fix printf format.
232
233         * tree.h (binfo_member): Remove.
234         * tree.c (binfo_member): Remove.
235
236 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
237
238         * tree.h: Include vec.h
239         (DEF_VEC_P(tree)): New type.
240         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
241         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
242         (BINFO_LANG_SLOT): Remove.
243         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
244         (struct tree_binfo): Turn base_binfos into a trailing
245         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
246         (binfo_lang_slots): Remove.
247         * tree.c (binfo_lang_slots): Remove.
248         (make_tree_binfo_stat): Take a base binfo count, not a
249         lang slot count.  Adjust.
250         * Makefile.in (TREE_H): Add vec.h
251         * alias.c (record_component_aliases): Adjust BINFO access.
252         * dbxout.c (dbxout_type): Likewise.
253         * dwarf2out.c (gen_member_die): Likewise.
254         * sdbout.c (sdbout_one_type): Likewise.
255         * tree-dump.c (deque_and_dump): Likewise.
256         * config/i386/i386.c (classify_argument,
257         contains_128bit_aligned_vector_p): Likewise.
258         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
259         * doc/c-tree.texi (Classes): Update BINFO documentation.
260
261 2004-07-20  Steven Bosscher  <stevenb@suse.de>
262
263         * c-common.h (check_case_value): Remove prototype.
264         (c_add_case_label): Adjust prototype.
265         * c-common.c (check_case_value): Make static.
266         (check_case_bounds): New function.
267         (c_add_case_label): Use it.  Take new argument orig_type.
268         * c-typeck.c (struct c_switch): New orig_type field.
269         (c_start_case): Set it.
270         (do_case): Pass it to c_add_case_label.
271         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
272         cases from here.  Add the labels in reverse order.
273         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
274         (add_case_node): Return nothing, don't check for duplicate cases.
275         Insert new case nodes in a list, not in an AVL tree.
276         (expand_end_case_type): Don't turn a case tree into a case list.
277         (case_tree2list): Remove.
278         * tree.h (add_case_node): Adjust prototype.
279
280 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
281
282         * genattr.c (struct range, struct function_unit,
283         write_units, extend_range, init_range): Remove them.
284         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
285         Output "#define INSN_SCHEDULING" here.
286         * genattrtab.c (struct range, struct function_unit_op,
287         struct function_unit, struct dimension, enum operator,
288         operate_exp, expand_units, simplify_knowing,
289         encode_units_mask, simplify_by_exploding,
290         find_and_mark_used_attributes, unmark_used_attributes,
291         add_values_to_cover, increment_current_value,
292         test_for_current_value, simplify_with_current_value,
293         simplify_with_current_value_aux, gen_unit,
294         write_unit_name, write_function_unit_info,
295         write_complex_function, write_toplevel_expr,
296         find_single_value, extend_range): Remove.
297         (write_attr_get): Do not handle common_av->value
298         being an FFS.
299         (struct attr_desc): Remove func_units_p and blockage_p.
300         (write_attr_valueq): Do not handle them.
301         (find_attr): Do not clear them.
302         (make_internal_attr): Do not initialize them.
303         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
304         * sched-vis.c (init_target_units, insn_print_units,
305         init_block_visualization, print_block_visualization,
306         visualize_scheduled_insns, visualize_no_unit,
307         visualize_stall_cycles, visualize_alloc,
308         visualize_free, target_units, get_visual_tbl_length,
309         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
310         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
311         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
312         * haifa-sched.c (blockage_range, clear_units,
313         schedule_unit, actual_hazard, potential_hazard,
314         insn_unit, unit_last_insn, unit_tick,
315         actual_hazard_this_instance, potential_hazard,
316         schedule_unit, max_insn_queue_index_value): Remove.
317         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
318         max_insn_queue_index.
319         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
320         * doc/md.texi (Processor pipeline description): Remove
321         references to old pipeline descriptions.
322         (Automaton pipeline description): Merge with the above.
323         (Old pipeline description, Comparison of the two descriptions):
324         Remove.
325
326         * bt-load.c (migrate_btr_def): Remove references to
327         use_pipeline_interface.
328         * haifa-sched.c (insn_cost, schedule_insn,
329         schedule_block, advance_one_cycle, sched_init,
330         queue_to_ready, sched_finish): Likewise.
331         * modulo-sched.c (sms_schedule, advance_one_cycle,
332         ps_has_conflicts): Likewise.
333         * sched-rgn.c (init_ready): Likewise.
334         (debug_dependencies): Likewise, and remove an "if (1)".
335         * target.h (use_dfa_pipeline_interface): Remove.
336         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
337         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
338         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
339         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
340         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
341         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
342         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
343         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
344         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
345         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
346         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
347         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
348         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
349         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
350         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
351         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
352         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
353         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
354         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
355
356 2004-07-19  Roger Sayle  <roger@eyesopen.com>
357
358         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
359
360 2004-07-19  Jeff Law  <law@redhat.com>
361
362         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
363         (get_eq_expr_value): Use it.  Simplify slightly.
364
365 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
366
367         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
368         (umulsidi3_32bit_r4000): Likewise.
369
370 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
371
372         * vec.h: Propagate location information properly.
373         (VEC_T_iterate): Add result pointer parameter.
374         (VEC_T_space): New.
375         (VEC_T_reserve): Use it.
376
377 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
378
379         * Makefile.in (c-format.o): Depend on c-format.h.
380         * c-format.h: New file.
381         (struct format_char_info): Add CHAIN member.
382         * c-format.c: Move some types and constants to c-format.h.
383         (format_type_error): Set to -1.
384         (struct function_format_info): Use an int for format_type.
385         (decode_format_type): Return an int.  Return format_type_error
386         on error.
387         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
388         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
389         (scan_char_table, time_char_table, monetary_char_table): Initialize
390         CHAIN to NULL.
391         (n_format_types): New variable.
392         (check_format_info_main): Handle CHAIN in format_char_info.
393         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
394         TARGET_N_FORMAT_TYPES.
395         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
396         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
397         * config/sol2-c.c: New file.
398         * config/t-sol2: New file.
399         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
400         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
401         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
402
403         * doc/extend.texi (Target Format Checks): New section.
404         (Function Attributes): Mention it.
405         * doc/invoke.texi: Mention target format checks.
406         * doc/sourcebuild.texi: Mention target format checks.
407         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
408         TARGET_FORMAT_TYPES.
409
410 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
411
412         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
413         added.
414         * config/s390/s390.c (regclass_map initializer): Register 35 added to
415         ADDR_REGS.
416         (load_multiple_operation, store_multiple_operation): Removed
417         pointless sanity check.
418         (s390_decompose_address): Added check for return_address_pointer_rtx.
419         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
420         (s390_return_address_offset): New function.
421         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
422         (FRAME_REGNO_P): Added check for register 35.
423         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
424         REG_ALLOC_ORDER): Appended entry for register 35.
425         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
426         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
427         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
428         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
429         is eliminable using stack pointer or hard frame pointer.
430         (REGISTER_NAMES): Added name for register 35.
431         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
432         pointless sanity check.
433
434 2004-07-19  Roger Sayle  <roger@eyesopen.com>
435
436         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
437         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
438         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
439         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
440         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
441         (fold_relational_const): Tidy up handling of floating point
442         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
443         transformation; fold_relational_const assumes constant operands.
444
445 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
446
447         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
448         directory.
449
450 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
451
452         * c-tree.h (struct c_expr): Define.
453         (C_SET_EXP_ORIGINAL_CODE): Remove.
454         (parser_build_binary_op, build_compound_expr): Update prototypes.
455         * c-parse.in (%union): Add exprtype.
456         (FUNC_NAME): Mark as ttype.
457         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
458         exprtype.
459         (expr): Update.  Define directly in terms of expr_no_commas
460         instead of using nonnull_exprlist.
461         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
462         offsetof_member_designator, typespec_nonreserved_nonattr, init,
463         initval, designator, component_declarator,
464         component_notype_declarator, enumerator, array_declarator,
465         condition, exexpr, switch_statement, stmt_nocomp, stmt,
466         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
467         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
468         where appropriate.
469         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
470         * c-common.c (c_common_truthvalue_conversion): Don't check
471         C_EXP_ORIGINAL_CODE.
472         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
473         Don't use C_EXP_ORIGINAL_CODE.
474         (default_conversion, default_function_array_conversion): Don't use
475         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
476         (internal_build_compound_expr): Merge into build_compound_expr.
477         (build_compound_expr): Take two operands instead of a TREE_LIST.
478         * objc/objc-act.c (get_super_receiver): Update calls to
479         build_compound_expr.
480
481 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
482
483         * config/sh/sh.c (sh_use_dfa_interface): Remove.
484         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
485         hook_int_void_1.
486         * config/sh/sh.md: Extract pipeline descriptions
487         into separate files.
488         * config/sh/sh1.md: New file, extracted from sh.md.
489         * config/sh/sh4.md: New file, extracted from sh.md.
490         * config/sh/shmedia.md: New file, extracted from sh.md
491         and rewritten using new-style pipeline description.
492
493 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
494
495         * config/pa/pa.md: Delete the two remaining define_peephole
496         patterns.
497
498 2004-07-18  Steven Bosscher  <stevenb@suse.de>
499             Joseph S. Myers  <jsm@polyomino.org.uk>
500
501         * c-common.c (c_common_truthvalue_conversion): Don't warn if
502         TREE_NO_WARNING is set.
503
504 2004-07-18  Roger Sayle  <roger@eyesopen.com>
505
506         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
507         simplify_builtin_strncmp): Delete.
508         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
509         Change argument to accept an arglist instead of an "exp".  Assume
510         that the return type is always integer_type_node.  Copy missing
511         transformations from their now obsolete simplify_builtin_*
512         equivalents.
513         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
514         fold_builtin_strcmp and fold_builtin_strncmp.
515         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
516         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
517         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
518
519 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
520
521         * Makefile.in (tree-alias-common.o): Update dependencies.
522
523 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
524
525         * cfgloop.c (flow_loop_nested_p): Fix comment.
526
527 2004-07-17  Jason Merrill  <jason@redhat.com>
528
529         PR c++/16115
530         * stor-layout.c (relayout_decl): New fn.
531         * tree.h: Declare it.
532         (DECL_BY_REFERENCE): New macro.
533
534 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
535
536         * libgcc2.c (__enable_execute_stack): New symbol.
537         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
538         and declare __enable_execute_stack.
539         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
540         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
541         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
542         ENABLE_EXECUTE_STACK.
543         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
544         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
545         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
546         ENABLE_EXECUTE_STACK.
547         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
548         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
549         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
550         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
551         ENABLE_EXECUTE_STACK.
552         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
553         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
554         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
555         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
556         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
557         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
558         (sparc64_initialize_trampoline): Likewise.
559         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
560
561 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
562
563         * langhooks.h (builtin_function): New langhook.
564         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
565         (LANG_HOOKS_INITIALIZER): Update.
566         * tree.h (builtin_function): Remove.
567         * doc/tm.texi: Update.
568         * c-tree.h (builtin_function): Declare.
569         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
570         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
571         config/ia64/ia64.c, config/iq2000/iq2000.c,
572         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
573         config/stormy16/stormy16.c: All callers of builtin_function
574         changed.
575
576 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
577
578         PR target/16556
579         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
580         Remove white space after the backslash.
581
582 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
583
584         PR rtl-optimization/16294
585         * resource.c (return_insn_p): New predicate.
586         (mark_target_live_regs): Use it.  Special-case return insns.
587         (init_resource_info): Use it.  Don't scan the epilogue past
588         a return.
589
590 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
591
592         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
593         destroy dominance information.
594         * passes.c (rest_of_handle_loop2):  Free dominance information.
595         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
596         jump threading.
597         (thread_jumps): Update dominance information and remove unreachable
598         blocks.
599         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
600         information and remove the unreachable block.
601
602 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
603
604         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
605
606 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
607
608         * doc/sourcebuild.texi: Remove libf2c entry.
609
610 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
611
612         * config/i386/i386.md (movv16qi_internal): Fix typo.
613
614 2004-07-17  Steven Bosscher  <stevenb@suse.de>
615
616         * final.c (final_scan_insn): Fix broken commit from previous
617         patch.
618
619 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
620
621         * c-typeck.c (parser_build_binary_op): Condition warnings for
622         X<=Y<=Z on -Wparentheses instead of -Wextra.
623         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
624         supported for C only.
625
626 2004-07-17  Steven Bosscher  <stevenb@suse.de>
627
628         * cfgcleanup.c (try_simplify_condjump): Don't remove line
629         notes to avoid unreachable code warnings.
630         * toplev.c (backend_init): Don't emit line notes for
631         unreachable code warnings.
632
633         * combine.c (distribute_notes): Don't distribute a
634         REG_VTABLE_REF note.
635         * final.c (final_scan_insn): Don't handle it.
636         * rtl.c (reg_note_name): Remove it.
637         * rtl.h (enum reg_node): Dito.
638
639         * emit-rtl.c (force_line_numbers, restore_line_number_status):
640         Remove.
641         * rtl.h (force_line_numbers, restore_line_number_status):
642         Remove prototypes.
643
644         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
645         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
646         (using_eh_for_cleanups): Also moved here.
647
648         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
649         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
650         to expand_start_case and add_case_node.
651         * stmt.c (struct nesting): Cleanup unused fields condition_code,
652         last_unconditional_cleanup, nominal_type, printname, and
653         line_number_status.
654         (struct fixup_goto): Remove.
655         (struct stmt_status): Remove x_goto_fixup_chain field.
656         (goto_fixup_chain): Remove.
657         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
658         pushcase, pushcase_range): Remove.
659         (expand_start_bindings_and_block): Don't set unused fields in
660         the nesting stack.
661         (expand_start_case, add_case_node): Cleanup unused formal arguments.
662         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
663         instead of emit_jump_if_reachable.
664         (emit_case_nodes): Likewise.
665         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
666         static.
667         (update_eh_label): Work around left-over exception handing regions.
668         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
669         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
670         (pass_cleanup_cfg_post_optimizing): New pass.
671         (init_tree_optimization_passes): Run the new pass after all
672         optimizations.
673         * tree.h (pushcase, pushcase_range): Remove prototypes.
674         (expand_start_case, add_case_node): Update prototypes.
675
676 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
677
678         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
679
680 2004-07-16  Richard Henderson  <rth@redhat.com>
681
682         * builtins.c (std_expand_builtin_va_arg): Remove.
683         (expand_builtin_va_arg): Remove.
684         * expr.h: Don't declare them.
685         * gimplify.c (mark_decls_volatile_r): Remove.
686         (copy_if_shared_r): Don't call it.
687         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
688         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
689         * gimple-low.c (lower_stmt): Likewise.
690         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
691         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
692         * tree-ssa-operands.c (get_expr_operands): Likewise.
693         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
694         EXPAND_BUILTIN_VA_ARG.
695         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
696         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
697         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
698         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
699
700 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
701
702         * tree-ssa-pre.c (insert_aux): Break out if we hit
703         a critical edge.
704
705 2004-07-16  Richard Henderson  <rth@redhat.com>
706
707         * basic-block.h (remove_fake_exit_edges): Declare.
708         * cfganal.c (remove_fake_predecessors): Rename from
709         remove_fake_successors; iterate over predecessors.
710         (remove_fake_exit_edges): New.
711         * cfgcleanup.c (try_optimize_cfg): Use it.
712         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
713         * predict.c (estimate_probability): Likewise.
714         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
715         * tree-cfg.c (make_edges): Likewise.
716         * tree-ssa-pre.c (fini_pre): Likewise.
717         * profile.c (instrument_edges): Don't remove_fake_edges.
718         (branch_prob): Do it earlier here.
719
720 2004-07-16  Richard Henderson  <rth@redhat.com>
721
722         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
723         switchification wrt CONSTRUCTOR.  Document the reason.
724
725 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
726
727         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
728         that prevented descriptive __mf_check source location strings.
729
730 2004-07-16  Richard Henderson  <rth@redhat.com>
731
732         * tree-def (WITH_SIZE_EXPR): New.
733         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
734         * expr.c (expand_expr_real_1): Likewise.
735         * gimplify.c (maybe_with_size_expr): New.
736         (gimplify_arg, gimplify_modify_expr): Use it.
737         (gimplify_modify_expr_to_memcpy): Take size parameter.
738         (gimplify_modify_expr_to_memset): Likewise.
739         (gimplify_expr): Handle WITH_SIZE_EXPR.
740         * tree-alias-common.c (find_func_aliases): Likewise.
741         * tree-eh.c (tree_could_trap_p): Likewise.
742         (tree_could_throw_p): Likewise.
743         * tree-gimple.c (is_gimple_lvalue): Likewise.
744         (get_call_expr_in): Likewise.
745         * tree-inline.c (estimate_num_insns_1): Likewise.
746         (expand_calls_inline): Likewise.
747         * tree-nested.c (convert_call_expr): Likewise.
748         * tree-pretty-print.c (dump_generic_node): Likewise.
749         * tree-sra.c (sra_walk_expr): Likewise.
750         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
751         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
752         * tree-ssa-operands.c (get_expr_operands): Likewise.
753         * tree-tailcall.c (find_tail_calls): Likewise.
754
755         * calls.c (expand_call): Reset old_stack_allocated after
756         calling emit_stack_restore.
757
758 2004-07-16  Richard Henderson  <rth@redhat.com>
759
760         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
761         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
762         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
763         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
764         copy_res_decl_for_inlining.
765
766         * tree-inline.c (declare_return_variable): New modify_dest argument.
767         Use it as the return value, when possible or manditory.  Handle
768         TREE_ADDRESSABLE types.
769         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
770         replacement of CALL_EXPR.
771
772 2004-07-16  Richard Henderson  <rth@redhat.com>
773
774         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
775         * gimple-low.c (expand_var_p): Don't check it.
776         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
777         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
778         * tree-ssa-operands.c (add_stmt_operand): Likewise.
779         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
780         (find_referenced_vars): Don't call them.
781         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
782
783 2004-07-16  Richard Henderson  <rth@redhat.com>
784
785         * function.c (pass_by_reference): True for all variable sized types.
786
787 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
788
789         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
790         * tree-pretty-print.c: Include tree-chrec.h.
791         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
792         and POLYNOMIAL_CHREC nodes.
793
794 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
795
796         * builtins.c (expand_builtin_stpcpy): Do not create temporary
797         reg with VOIDmode.
798
799 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
800
801         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
802
803 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
804
805         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
806         to BASE_REGNUM.
807         * config/s390/s390.c: Likewise.
808         * config/s390/s390.h: Likewise.
809
810 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
811
812         * config/mips/mips.md (addsi3, adddi3): Remove special handling
813         of $sp adds.  Remove REGNO checks from mips16 patterns.
814
815 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
816
817         * config/mips/mips.md: Delete outdated comment.
818
819 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
820
821         * config/mips/mips.c (get_float_compare_codes): Delete.
822         (mips_emit_compare): New function, mostly extracted from
823         get_float_compare_codes and gen_conditional_branch.
824         (gen_conditional_branch, gen_conditional_move): Use it.
825
826 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
827
828         * genautomata.c (add_vect): Speedup by using integers as
829         bit-vectors for walking through the comb_vect and finding
830         a match.
831
832 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
833
834         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
835         operand is an uns_arith_operand; use subtraction otherwise.
836         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
837         not just arith_operands.
838
839 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
840
841         * config/mips/mips-protos.h (gen_int_relational): Delete.
842         (mips_emit_scc): Declare.
843         * config/mips/mips.c (internal_test): Delete.
844         (sle_operand, sleu_operand): New functions.
845         (map_test_to_internal_test, gen_int_relational): Delete.
846         (mips_emit_binary, mips_relational_operand_ok_p)
847         (mips_emit_int_relational, mips_zero_if_equal)
848         (mips_emit_scc): New functions.
849         (gen_conditional_branch): Rework to use mips_emit_int_relational.
850         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
851         sleu_operand.
852         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
853         (sltu, sleu): Use mips_emit_scc.
854         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
855         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
856         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
857
858 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
859
860         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
861
862 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
863
864         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
865         (*sne_[sd]i): Likewise sne_[sd]i_zero.
866         (*sgt_[sd]i): ...and sgt_[sd]i.
867         (*slt_[sd]i): ...and slt_[sd]i.
868         (*sgtu_[sd]i): ...and sgtu_[sd]i.
869         (*sltu_[sd]i): ...and sltu_[sd]i.
870         (*sleu_[sd]i): ...and sleu_[sd]i_const.
871         Name previously unnamed mips16 patterns.  Formatting fixes.
872
873 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
874
875         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
876         (branch_type): Delete.
877         (gen_conditional_branch, gen_conditional_move)
878         (mips_gen_conditional_trap): Update after name change.  Get the
879         comparison mode from cmp_operands[0].
880         * config/mips/mips.h (cmp_type, branch_type): Delete.
881         (cmp_operands): Renamed from branch_cmp.
882         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
883         name change.  Don't set branch_type.
884         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
885         mode class of cmp_operands[0] rather than branch_type.  Update after
886         name change.
887
888 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
889
890         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
891         of 0...255 to 0 when inside a SET.
892
893 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
894
895         * config/mips/mips.md: Remove mips16 define_peepholes.
896
897 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
898
899         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
900         (fini_pre): Remove fake edges.
901
902 2004-07-15  Richard Henderson  <rth@redhat.com>
903
904         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
905         (get_indirect_ref_operands, get_call_expr_operands): ... these.
906
907 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
908
909         * vec.h (VEC_address): New function.
910
911 2004-07-14  Jason Merrill  <jason@redhat.com>
912
913         PR middle-end/15885
914         * gimplify.c (gimplify_arg): New fn, split out from...
915         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
916
917 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
918
919         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
920         generate code which is generated by pushqi1 now
921         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
922
923 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
924
925         * combine.c (simplify_set): match the mode of the constant 0 with
926         the tested operand to match the compare behaviour and the
927         simplify_relational_operation() expectation.
928
929 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
930
931         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
932         ("bordered"): Same.
933
934 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
935
936         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
937         unconditionally.
938         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
939
940 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
941
942         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
943         calls in mips16 code.
944
945 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
946
947         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
948         the destination of the li as well as for the neg.
949
950 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
951
952         g++/15861
953         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
954         * cgraph.h: Update declaration.
955         * c-decl.c (build_cdtor): Update call with default priority.
956         * coverage.c (create_coverage): Ditto.
957         * tree-mudflap.c (mf_init_fndecl): New tree.
958         (mudflap_init): Set it.
959         (mudflap_register_call): Arrange to call __mf_init before the first
960         __mf_register call.
961         (mudflap_finish_file): Mark the mudflap static initializer as extra
962         high priority, to beat all C++ static constructors.
963
964 2004-07-15  Jeff Law  <law@redhat.com>
965
966         * loop.c (check_insn_for_givs): Restore check for code labels that was
967         accidentally deleted by a recent checkin.
968
969 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
970
971         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
972         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
973
974 2004-07-14  Richard Henderson  <rth@redhat.com>
975
976         * print-tree.c (print_node): Fix casts last change.
977
978 2004-07-15  Paul Brook  <paul@codesourcery.com>
979
980         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
981         to TARGET_UNWIND_INFO.
982         * except.c (output_function_exception_table): Ditto.
983         * except.h: Ditto.
984         * opts.c (decode_options): Ditto.
985         * passes.c (rest_of_handle_final): Ditto.
986         * final.c (final_start_function): Ditto.
987         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
988         target hook.
989         * targhooks.h (default_unwind_emit): Declare.
990         * targhooks.c (default_unwind_emit): New function.
991         * target-def.h: Define and use TARGET_UNWIND_EMIT.
992         * target.h (struct gcc_target): Add unwind_emit.
993         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
994         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
995         Remove IA64_UNWIND_EMIT.
996         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
997
998 2004-07-14  Richard Henderson  <rth@redhat.com>
999
1000         * print-tree.c (print_node): Handle SSA_NAME.
1001
1002 2004-07-14  James E Wilson  <wilson@specifixinc.com>
1003
1004         PR target/16325
1005         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
1006         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
1007
1008 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
1009
1010         * expr.c (expand_assignment): Reenable bitfield += optimizations.
1011         Use alias set 0 for memory, do proper mode calculations and adjust
1012         address for memories.
1013
1014 2004-07-14  Per Bothner  <per@bothner.com>
1015
1016         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
1017         structure with extra column field.
1018         * tree.c (expand_location):  Also fill in column field.
1019         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
1020         gets confused by the two conditionally-compiled definitions.
1021
1022 2004-07-14  Eric Christopher  <echristo@redhat.com>
1023
1024         * calls.c (expand_call): Fix typo in comment.
1025
1026 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
1027
1028         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
1029         comparision of TFmode.
1030
1031 2004-07-14  Richard Henderson  <rth@redhat.com>
1032
1033         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
1034         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
1035         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
1036         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
1037         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
1038         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1039         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1040         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
1041         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
1042
1043 2004-07-14  Mike Stump  <mrs@apple.com>
1044
1045         * config/darwin.h (WINT_TYPE): Define to be int to match
1046         system header files.
1047
1048 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
1049
1050         * config/xtensa/xtensa.c (function_arg_advance): Check for args
1051         that must be passed in the stack.
1052         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
1053         arguments if the size is not a constant.
1054
1055 2004-07-14  Per Bothner  <per@bothner.com>
1056
1057         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
1058         instead of EXPR_LOCUS in a boolean context, which is always true
1059         if --enable-mapped-location.
1060         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
1061
1062 2004-07-14  Richard Henderson  <rth@redhat.com>
1063
1064         * dominance.c (struct dom_info): Add fake_exit_edge.
1065         (init_dom_info): Allocate it.
1066         (free_dom_info): Free it.
1067         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
1068         in two passes.
1069         (calc_idoms): Honor fake_exit_edge.
1070
1071 2004-07-13  Jason Merrill  <jason@redhat.com>
1072
1073         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
1074         (rhs_test_for): New fn.
1075         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
1076         * tree-gimple.h: Declare them.
1077         * gimplify.c (gimplify_modify_expr): Use the new fns.
1078
1079 2004-07-14  Richard Henderson  <rth@redhat.com>
1080
1081         * config/arm/arm-protos.h (arm_va_arg): Remove.
1082         * config/arm/arm.c (arm_va_arg): Remove.
1083         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
1084         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
1085
1086 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1087
1088         * pa.c (fix_range): New function to mark a range(s) of registers as
1089         fixed registers.
1090         (override_options): Call fix_range if the -mfixed-range option string
1091         is not empty.
1092         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
1093         * doc/invoke.texi (-mfixed-range): Document new option.
1094
1095 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
1096
1097         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
1098         for TARGET_64BIT.
1099         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
1100
1101 2004-07-14  Roger Sayle  <roger@eyesopen.com>
1102
1103         * expmed.c (expand_sdiv_pow2): New function to expand signed division
1104         by a positive power of two, split out from expand_divmod.  Provide
1105         an alternate implementation when shifts are expensive.  Lower the
1106         threshold for using a branchless implementation to BRANCH_COST >= 2.
1107         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
1108
1109 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
1110
1111         * tree-dfa.c (make_rename_temp): *Really* work just
1112         like create_tmp_var if called while outside SSA form.
1113
1114 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
1115
1116         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
1117         for division by zero.
1118         ("umodsi3"): Likewise.
1119
1120 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
1121
1122         * config/mips/mips.c (mips_output_move): When generating mips16 code,
1123         force loads of negative constants to be split.
1124         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
1125         Generalize SImode li/neg splitter to cope with other modes.
1126
1127 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
1128
1129         * expmed.c: Remove more references to QUEUED in the comments.
1130         * expr.c: Likewise.
1131
1132 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
1133
1134         Revert:
1135         2004-07-13  Richard Henderson  <rth@redhat.com>
1136         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
1137         correctly.
1138
1139 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
1140
1141         * tree-dfa.c (make_rename_temp): Work just like
1142         create_tmp_var if called while outside SSA form.
1143
1144 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
1145
1146         * expr.c (enqueue_insn, finish_expr_for_function,
1147         protect_from_queue, queued_subexp_p, mark_queue,
1148         emit_insns_enqueued_after_mark, emit_queue,
1149         expand_increment): Remove.
1150         (store_constructor): Expand increment as an assignment.
1151         (expand_expr_real_1 <case PREINCREMENT_EXPR,
1152         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
1153         case POSTDECREMENT_EXPR>): Abort.
1154         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
1155         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
1156         protect_from_queue, emit_queue, queued_subexp_p): Remove.
1157         * function.h (pending_chain, x_pending_chain): Remove.
1158         * rtl.def (QUEUED): Remove.
1159
1160         * emit-rtl.c (copy_insn_1, copy_most_rtx,
1161         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
1162         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
1163         encode_units_mask): Likewise.
1164         * local-alloc.c (equiv_init_varies_p): Likewise.
1165         * rtl.c (copy_rtx): Likewise.
1166         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
1167         * simplify-rtx.c (simplify_gen_subreg): Likewise.
1168         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
1169
1170         * builtins.c (expand_builtin, expand_builtin_apply,
1171         expand_builtin_mathfn, expand_builtin_mathfn_2,
1172         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
1173         Remove calls to emit_queue and protect_from_queue.
1174         * calls.c (expand_call, precompute_arguments,
1175         precompute_register_parameters, rtx_for_function_call,
1176         store_one_arg): Likewise.
1177         * dojump.c (do_compare_and_jump, do_jump): Likewise.
1178         * explow.c (memory_address): Likewise.
1179         * expmed.c (clear_by_pieces_1, clear_storage,
1180         clear_storage_via_libcall, emit_group_load,
1181         emit_group_store, emit_store_flag,
1182         expand_expr_real_1, store_by_pieces,
1183         store_constructor, store_expr, try_casesi,
1184         try_tablejump): Likewise.
1185         * function.c (expand_pending_sizes): Likewise.
1186         * optabs.c (emit_cmp_and_jump_insns,
1187         emit_conditional_add, emit_conditional_move,
1188         expand_fix, expand_float, prepare_cmp_insn): Likewise.
1189         * stmt.c (emit_case_bit_tests,
1190         expand_asm_expr, expand_computed_goto,
1191         expand_decl_init, expand_end_case_type,
1192         expand_end_stmt_expr, expand_expr_stmt_value,
1193         expand_return, expand_start_case,
1194         optimize_tail_recursion): Likewise.
1195         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1196         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
1197
1198 2004-07-14  Ben Elliston  <bje@au.ibm.com>
1199
1200         * vec.h: Comment fix.
1201
1202 2004-07-13  Richard Henderson  <rth@redhat.com>
1203
1204         * target.h (struct gcc_target): Add calls.pass_by_reference.
1205         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
1206         * function.c (pass_by_reference): Use the hook.
1207         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
1208         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
1209         (hook_pass_by_reference_must_pass_in_stack): New.
1210         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
1211         (alpha_pass_by_reference): New.
1212         (TARGET_PASS_BY_REFERENCE): New.
1213         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1214         * config/arc/arc.c (arc_pass_by_reference): New.
1215         (TARGET_PASS_BY_REFERENCE): New.
1216         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1217         (FUNCTION_ARG_CALLEE_COPIES): True.
1218         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
1219         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
1220         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
1221         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1222         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1223         * config/cris/cris.c (cris_pass_by_reference): New.
1224         (TARGET_PASS_BY_REFERENCE): New.
1225         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
1226         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
1227         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1228         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
1229         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1230         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
1231         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
1232         (frv_function_arg_pass_by_reference): Remove.
1233         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1234         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
1235         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
1236         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
1237         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1238         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
1239         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
1240         (ia64_pass_by_reference): Rename from
1241         ia64_function_arg_pass_by_reference.
1242         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1243         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1244         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
1245         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
1246         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
1247         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1248         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
1249         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
1250         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
1251         (m32r_pass_by_reference): Adjust prototype.  Make static.
1252         Handle mode sizes correctly.
1253         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1254         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
1255         (m68hc11_function_arg_pass_by_reference): Remove.
1256         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1257         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
1258         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
1259         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1260         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
1261         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
1262         (mips_va_arg): Use pass_by_reference.
1263         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
1264         Handle mode sizes correctly.
1265         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1266         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
1267         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
1268         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
1269         (mmix_pass_by_reference): Rename from
1270         mmix_function_arg_pass_by_reference.
1271         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1272         (FUNCTION_ARG_CALLEE_COPIES): True.
1273         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
1274         (mn10300_pass_by_reference): New.
1275         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1276         (FUNCTION_ARG_CALLEE_COPIES): True.
1277         * config/pa/pa.c (pa_pass_by_reference): New.
1278         (TARGET_PASS_BY_REFERENCE): New.
1279         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1280         (FUNCTION_ARG_CALLEE_COPIES): True.
1281         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
1282         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
1283         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
1284         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1285         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
1286         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
1287         (s390_pass_by_reference): Rename from
1288         s390_function_arg_pass_by_reference.
1289         (s390_function_arg_advance): Don't query pass-by-ref.
1290         (s390_function_arg): Likewise.
1291         (s390_gimplify_va_arg): Use pass_by_reference.
1292         (s390_call_saved_register_used): Likewise.
1293         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1294         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
1295         (shcompact_byref, sh_pass_by_reference): New.
1296         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1297         (SHCOMPACT_BYREF): Remove.
1298         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
1299         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
1300         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
1301         (sparc_gimplify_va_arg): Use pass_by_reference.
1302         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1303         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1304         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
1305         (v850_pass_by_reference): New.
1306         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1307         (FUNCTION_ARG_CALLEE_COPIES): True.
1308         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
1309         FUNCTION_ARG_PASS_BY_REFERENCE docs.
1310
1311 2004-07-14  Richard Henderson  <rth@redhat.com>
1312             Richard Sandiford  <rsandifo@redhat.com>
1313
1314         * config/mips/mips-protos.h (mips_va_arg): Delete.
1315         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
1316         * config/mips/mips.c: Include tree-gimple.h.
1317         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
1318         (mips_arg_info): Remove special handling of must_pass_in_stck args.
1319         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
1320         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
1321
1322 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
1323
1324         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
1325         arguments for COND_EXPR in big-endian adjustment code.
1326
1327 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1328
1329         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
1330         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
1331         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
1332         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
1333
1334 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
1335
1336         PR tree-optimization/16443
1337         * tree-ssa-alias.c: Add more description for
1338         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
1339         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
1340         clobbering of call-clobbered and addressable variables.  If
1341         there are any before aliases have been computed, add them.
1342
1343 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
1344
1345         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
1346         verification.
1347
1348 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
1349
1350         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
1351         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
1352         to the same type.
1353
1354 2004-07-13  Per Bothner  <per@bothner.com>
1355
1356         * collect2.c (main):  Handle --no-demangle and --demangle flags.
1357
1358 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
1359
1360         * Makefile.in (OBJS-common): Add tree-data-ref.o.
1361         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
1362         (tree-data-ref.o): New rule.
1363         * lambda.h: New file.
1364         * tree-data-ref.c: New file.
1365         * tree-data-ref.h: New file.
1366         * tree.c (int_cst_value, tree_fold_gcd): New functions.
1367         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
1368
1369 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1370
1371         PR target/13926
1372         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
1373         * config/sparc/sparc.c (output_ubranch): New function.
1374         * config/sparc/sparc.md (jump pattern): Use it.
1375
1376 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1377
1378         PR target/16494
1379         * config/sparc/sparc.c (output_cbranch): Properly guard
1380         the code handling far branches with TARGET_V9.
1381         * config/sparc/sparc.md (length attribute): Document the
1382         side-effect of having a length greater or equal to 3.
1383
1384 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1385             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
1386
1387         PR target/15186
1388         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
1389         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
1390
1391 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1392             Martin Sebor  <sebor@roguewave.com>
1393
1394         PR target/12602
1395         * doc/invoke.texi (SPARC options): Document -threads
1396         and -pthreads on Solaris.
1397
1398 2004-07-13  Richard Henderson  <rth@redhat.com>
1399
1400         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
1401         by reference.
1402         (ind_gimplify_va_arg_expr): Remove.
1403         * tree.h (ind_gimplify_va_arg_expr): Remove.
1404         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
1405         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
1406         argsp to be null.
1407
1408         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
1409         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
1410         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
1411         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
1412         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
1413
1414 2004-07-13  Richard Henderson  <rth@redhat.com>
1415
1416         * function.c (pass_by_reference): New.
1417         (assign_parm_find_data_types): Use it.
1418         * calls.c (initialize_argument_information): Likewise.
1419         (emit_library_call_value_1): Likewise.
1420         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1421         * function.h (pass_by_reference): Declare.
1422
1423 2004-07-13  Richard Henderson  <rth@redhat.com>
1424
1425         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
1426         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
1427         * expr.h (MUST_PASS_IN_STACK): Remove.
1428         * system.h (MUST_PASS_IN_STACK): Poison.
1429         * tree.h (must_pass_in_stack_var_size): Declare.
1430         (must_pass_in_stack_var_size_or_pad): Declare.
1431         * calls.c (must_pass_in_stack_var_size): New.
1432         (must_pass_in_stack_var_size_or_pad): Rename from
1433         default_must_pass_in_stack.
1434         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
1435         (TARGET_MUST_PASS_IN_STACK): New.
1436         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
1437         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
1438         (TARGET_MUST_PASS_IN_STACK): New.
1439         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
1440         * config/frv/frv.c (frv_must_pass_in_stack): New.
1441         (TARGET_MUST_PASS_IN_STACK): New.
1442         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
1443         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
1444         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
1445         (ix86_must_pass_in_stack): Make static.
1446         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
1447         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
1448         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
1449         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
1450         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
1451         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
1452         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
1453         (mcore_must_pass_on_stack): Remove.
1454         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
1455         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
1456         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
1457         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
1458         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
1459         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
1460         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
1461         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
1462         (TARGET_MUST_PASS_IN_STACK): New.
1463         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
1464         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
1465         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
1466         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
1467         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
1468         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
1469         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
1470         MUST_PASS_IN_STACK.
1471
1472         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
1473         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
1474         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
1475         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
1476         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
1477         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
1478         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
1479         config/xtensa/xtensa.c: Use target hook.
1480
1481 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
1482
1483         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
1484         * configure: Rebuilt.
1485
1486 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
1487
1488         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
1489         * config/mips/mips.h (mips_reg_names): Don't declare.
1490         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
1491         (TARGET_NAME_REGS): Delete.
1492         (TARGET_SWITCHES): Remove -mrnames.
1493         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
1494         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
1495         in REGISTER_NAMES.
1496         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
1497         (override_options): Remove handling of TARGET_NAME_REGS.
1498
1499 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
1500
1501         * config/mips/mips.h (TARGET_*): Boolify.
1502
1503 2004-07-12  Nick Clifton  <nickc@redhat.com>
1504
1505         * config.gcc: Add sh-*-symbianelf target.
1506         * config/sh/sh.c: Add new target macros:
1507         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
1508         TARGET_CXX_IMPORT_EXPORT_CLASS.
1509         (sh_file_start): Create a definition of the .directive section.
1510         (sh_attribute): Add dllimport and dllexport attributes.
1511         * config/sh/symbian-pre.h: New file.
1512         * config/sh/symbian-post.h: New file.
1513         * config/sh/symbian.c: New file. Contains Symbian specific
1514         functions.
1515         * config/sh/sh-protos.h: Add prototypes for new functions
1516         provided by symbian.c.
1517         * config/sh/t-symbian: New file.
1518         * doc/extend.texi: Document support for dllimport and dllexport
1519         attributes by the sh-symbianelf target.
1520
1521 2004-07-12  James E Wilson  <wilson@specifixinc.com>
1522
1523         * Makefile.in (AR): Use @AR@ not ar.
1524         (NM): New.
1525         (AR_FOR_TARGET): Use $(AR) not ar for native.
1526         (NM_FOR_TARGET): Use $(NM) not nm for native.
1527         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
1528         * configure: Regenerate.
1529
1530 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
1531
1532         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
1533         special case.
1534         (ashldi3_sp64): Likewise.
1535
1536 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1537
1538         PR target/16477
1539         * pa.c (function_arg): Update comment.
1540         * pa.h (BLOCK_REG_PADDING): Define.
1541
1542 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1543
1544         PR tree-optimization/16461
1545         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
1546         arguments of phi nodes.
1547
1548 2004-07-12  Devang Patel  <dpatel@apple.com>
1549
1550         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
1551
1552 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
1553
1554         * function.c (expand_function_start): Ensure r_save is in Pmode.
1555         * calls.c (prepare_call_address): Ensure static_chain_value is
1556         in Pmode.
1557         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
1558         r_save_area are in Pmode.
1559         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
1560         fnaddr, and static_chain are in Pmode.
1561
1562 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
1563
1564         PR target/16445
1565         * config/ia64/ia64.c (bundling): Don't count ignored insns.
1566
1567 2004-07-12  Richard Henderson  <rth@redhat.com>
1568
1569         * target.h (struct gcc_target): Move gimplify_va_arg_expr
1570         next to build_builtin_va_list.
1571         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
1572         * builtins.c (gimplify_va_arg_expr): Likewise.
1573         * gimplify.c (copy_if_shared_r): Likewise.
1574
1575 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
1576
1577         * passes.c (rest_of_decl_compilation): Don't defer call of
1578         assemble_variable if its DECL_RTL is already set.
1579
1580 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
1581
1582         * cfgloop.h (struct loop): Add nb_iterations field.
1583         (current_loops): Declare.
1584         * tree-chrec.c (chrec_not_analyzed_yet,
1585         chrec_dont_know, chrec_known, count_ev_in_wider_type,
1586         chrec_contains_symbols_defined_in_loop): Remove the temporary
1587         hooks.
1588         * tree-flow-inline.h (loop_containing_stmt): New function.
1589         * tree-scalar-evolution.c: Add implementation.
1590         * tree-scalar-evolution.h: Add declarations.
1591
1592 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
1593
1594         PR rtl-optimization/15921
1595         * Makefile.in (global.o): Add recog.h.
1596
1597         * global.c (recog.h): Add the include-clause.
1598         (bb_info): New member earlyclobber.
1599         (allocate_bb_info, free_bb_info): Initialize/finish the new
1600         member.
1601         (earlyclobber_regclass, earlyclobber_regclass_length): The new
1602         global variables.
1603         (check_earlyclobber, regclass_intersect,
1604         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
1605         New functions.
1606         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
1607         (make_accurate_live_analysis): Modify pavin.
1608
1609 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
1610
1611         * tree-cfg.c (find_taken_edge): Statically compute the truth
1612         value of a predicate comparing an SSA_NAME to itself.
1613
1614 2004-07-12  Roger Sayle  <roger@eyesopen.com>
1615
1616         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
1617         rs6000 doesn't have shift-and-add or shift-and-sub instructions
1618         by returning the cost of a multiplication plus an addition.
1619
1620 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
1621
1622         PR tree-optimization/14107
1623         * gimplify.c (gimplify_return_expr): Accept a
1624         RETURN_EXPR with an error argument.
1625         * tree-optimize.c (init_tree_optimization_passes):
1626         Run pass_warn_function_return at -O0.
1627
1628 2004-07-12  Roger Sayle  <roger@eyesopen.com>
1629
1630         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
1631         index entry.
1632
1633 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
1634
1635         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
1636         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1637         * config/mips/3000.md: Add copyright notice.  Remove automota and
1638         function units; use generic ones instead.  Only define reservations
1639         for things that are different from generic.md.  Extend each clause
1640         to include r3900.
1641         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
1642         * config/mips/mips.md: Include them. Remove define_function_units.
1643         (alu, imuldiv): New automata and units.
1644
1645 2004-07-12  Ben Elliston  <bje@au.ibm.com>
1646
1647         * doc/invoke.texi (Optimize Options): Document -frename-registers
1648         not being enabled by default at -O3.
1649
1650 2004-07-11  Roger Sayle  <roger@eyesopen.com>
1651
1652         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
1653         floating point additions, to keep real immediate constant positive.
1654         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
1655         into X + C, and leave positive real constants as X - C.
1656
1657 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1658
1659         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
1660
1661 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1662
1663         PR tree-optimization/15654
1664         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
1665
1666 2004-07-11  Roger Sayle  <roger@eyesopen.com>
1667
1668         * builtins.c (fold_builtin_fputs): Don't bother converting the
1669         return type to integer_type_node, as we've already checked that
1670         the result will be ignored.
1671
1672         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
1673         that signed addition, subtraction, multiplication, division,
1674         remainder, negation and absolute value may potentially trap.
1675
1676         * fold-const.c (fold_ignored_result): New function to strip
1677         non-side-effecting tree nodes from an expression whose result
1678         is ignored.
1679         (fold_convert): Call fold_ignored_result when casting a value
1680         to VOID_TYPE.
1681         (omit_one_operand):  Call fold_ignored_result on the "omitted"
1682         operand when building a COMPOUND_EXPR.
1683         (pedantic_omit_one_operand): Likewise.
1684         * tree.h (fold_ignored_result): Prototype here.
1685         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
1686         when we're going to ignore the result.
1687
1688 2004-07-11  Richard Henderson  <rth@redhat.com>
1689
1690         PR tree-opt/16383
1691         * tree-ssa-ccp.c (fold_stmt_r): Split out...
1692         * tree.c (fields_compatible_p, find_compatible_field): ... new.
1693         * tree.h (fields_compatible_p, find_compatible_field): Declare.
1694         * tree-sra.c (sra_hash_tree): Hash fields by offset.
1695         (sra_elt_eq): Use fields_compatible_p.
1696         (generate_one_element_ref): Use find_compatible_field.
1697
1698 2004-07-11  Richard Henderson  <rth@redhat.com>
1699
1700         PR tree-opt/16422
1701         * tree-sra.c (generate_one_element_init): New.
1702         (generate_element_init): Use it.
1703         (scalarize_init): Push/pop gimplify context around it.
1704         (find_new_referenced_vars_1, find_new_referenced_vars): New.
1705         * gimplify.c (gimplify_expr): Allow SSA_NAME.
1706
1707 2004-07-11  Roger Sayle  <roger@eyesopen.com>
1708
1709         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
1710         combine.c's combine_insn_cost.
1711         * rtl.h (insn_rtx_cost): Prototype here.
1712         * combine.c (combine_insn_cost): Delete function.
1713         (combine_validate_cost): Update callers of combine_insn_cost to
1714         call insn_rtx_cost instead.
1715         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
1716         requesting the rtx_cost of call and/or jump instructions.
1717
1718         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
1719         rtx_cost directly.  Don't request/use the cost of call or jump
1720         instructions.  Return -1 if the cost of any instruction can't be
1721         determined (or the BB contains a function call).
1722         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
1723         -1 (i.e. can't determine the cost of any instruction or the basic
1724         block contains a subroutine call).
1725         (find_if_case_2): Likewise.
1726
1727 2004-07-11  Roger Sayle  <roger@eyesopen.com>
1728
1729         * rs6000.c (struct processor_costs): Change semantics of fields to
1730         include the COST_N_INSNS scaling, and update all initializers.
1731         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
1732         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
1733         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
1734         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
1735
1736 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1737
1738         * LANGUAGES: Remove obsolete information.
1739
1740 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
1741
1742         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
1743         SIGBUS signal frames, the PSW address points *to* the faulting
1744         instruction, not after it.
1745
1746 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
1747
1748         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
1749         added to TLS symbol addresses.
1750
1751 2004-07-11  Richard Henderson  <rth@redhat.com>
1752
1753         * expmed.c (init_expmed): Use stack-local structures for
1754         temporary rtl.  Don't recognize shifts.
1755
1756 2004-07-11  Richard Henderson  <rth@redhat.com>
1757
1758         * expr.c (store_expr): Don't fiddle subreg promotion for types
1759         with precision smaller than the mode.
1760
1761 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1762
1763         * tree.h (all_types_permanent): Remove.
1764
1765 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1766
1767         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
1768         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
1769         * langhooks.c (lhd_clear_binding_stack): Remove.
1770         * langhooks-def.h (lhd_clear_binding_stack,
1771         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
1772         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
1773         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
1774         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
1775         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
1776         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
1777         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
1778         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
1779         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
1780         * tree.h (poplevel): Don't declare.
1781         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
1782         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
1783         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
1784         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
1785         Remove.
1786
1787 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1788
1789         PR tree-optimization/16437
1790         * c-common.c (shorten_compare): Don't mark result of conversion to
1791         narrower signed type as overflowing.
1792         * fold-const.c (decode_field_reference): Determine whether
1793         signedness comes from outer type using precision rather than size.
1794
1795 2004-07-11  Phil Edwards  <phil@codesourcery.com>
1796
1797         * configure.ac:  Alphabetize --enable-checking list, add
1798         missing valgrind entry.
1799         * configure:  Regenerate.
1800
1801 2004-07-11  Phil Edwards  <phil@codesourcery.com>
1802
1803         * doc/install.texi (Testing):  Fix syntax in "make check" example.
1804
1805 2004-07-10  James E Wilson  <wilson@specifixinc.com>
1806
1807         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
1808
1809 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1810
1811         PR rtl-optimization/16001
1812         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
1813         niter_expr.
1814
1815 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
1816
1817         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
1818
1819 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
1820             James Morrison  <phython@gcc.gnu.org>
1821
1822         * doc/contrib.texi (Contributors): Add gfortran contributors and
1823         fix a couple of typos.
1824
1825 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1826
1827         PR rtl-optimization/15387
1828         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
1829         to incoming args space correctly.
1830
1831 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1832
1833         * pa.c (output_indirect_call): Only use %r2 as the link register in
1834         indirect calls with the long PA 2.0 pc-relative branch.
1835
1836 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
1837
1838         * config/i386/i386.c (override_options): Pick a 64-bit CPU
1839         for the default tuning if TARGET_64BIT.
1840
1841 2004-07-10  Richard Henderson  <rth@redhat.com>
1842
1843         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
1844         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
1845
1846 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
1847
1848         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
1849         * expmed.c (store_bit_field, extract_bit_field): Remove last
1850         argument.
1851         * builtins.c (expand_builtin_signbit): Adjust callers.
1852         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
1853         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
1854         * ifcvt.c (noce_emit_move_insn): Likewise.
1855         * stmt.c (expand_return): Likewise.
1856         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
1857         store_field, expand_expr_real_1): Likewise.
1858
1859 2004-07-10  Richard Henderson  <rth@redhat.com>
1860
1861         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
1862
1863 2004-07-09  Mike Stump  <mrs@apple.com>
1864
1865         * config/darwin.c (no_dead_strip): Add.
1866         (HAVE_DEAD_STRIP): Add.
1867         (darwin_emit_unwind_label): Ensure that we don't dead code strip
1868         the .eh label.
1869
1870 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1871
1872         * tree-ssa-loop-im.c: New file.
1873         * Makefile.in (tree-ssa-loop-im.o): Add.
1874         * cfgloop.c (superloop_at_depth): New function.
1875         * cfgloop.h (superloop_at_depth): Declare.
1876         * common.opt (ftree-lim): New flag.
1877         * expr.c (array_ref_up_bound): New function.
1878         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
1879         * timevar.def (TV_LIM): New timevar.
1880         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
1881         computing immediate uses of a phi node.
1882         * tree-flow.h (struct tree_ann_common_d): Add aux field.
1883         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
1884         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
1885         * tree-pass.h (pass_lim): Declare.
1886         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
1887         functions.
1888         (pass_lim): New pass structure.
1889         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
1890         * tree.c (in_array_bounds_p): New function.
1891         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
1892         (in_array_bounds_p, array_ref_up_bound): Declare.
1893         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
1894         * doc/passes.texi (tree-ssa-loop-im.c): Document.
1895
1896 2004-07-09  Richard Henderson  <rth@redhat.com>
1897
1898         * builtins.c (expand_builtin_stpcpy): Don't modify len.
1899
1900         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
1901         with prejudice.
1902
1903 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
1904
1905         * flags.h: Delete redundant prototypes that are being generated
1906         in options.h from common.opt.
1907         * common.opt: Add in the expository comments formerly in flags.h.
1908
1909 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1910
1911         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
1912         available for use only when TARGET_MMX/_SSE is set, and check for
1913         variable argument function if any register count is non-zero.
1914         (function_arg): Correctly suppress repeated warnings for passing SSE
1915         vectors are arguments without SSE enabled.
1916         (ix86_function_arg_boundary): Without SSE enabled, the use of what
1917         would be SSE register modes does no longer influence the alignment.
1918
1919 2004-07-09  Richard Henderson  <rth@redhat.com>
1920
1921         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
1922         Always align upward to arg boundary.  Use size_in_bytes/round_up.
1923         Maintain type-correctness of constants.
1924         * stor-layout.c (round_up, round_down): Special-case powers of 2.
1925
1926 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
1927
1928         * config/sparc/sparc.c (*_costs): Scale instruction costs
1929         by COSTS_N_INSNS.
1930         (sparc_rtx_costs): Adjust as appropriate.
1931
1932 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1933
1934         * config/i386/mm3dnow.h: New.
1935         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
1936
1937 2004-07-09  Richard Henderson  <rth@redhat.com>
1938
1939         * simplify-rtx.c (simplify_const_relational_operation): Only
1940         look at bounds of scalar integers.
1941
1942 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1943
1944         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
1945
1946 2004-07-09  Andrew Pinski  <apinski@apple.com>
1947
1948         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
1949         always referenced.
1950         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
1951         UOBJC_METACLASS_decl.
1952
1953 2004-07-09  James E Wilson  <wilson@specifixinc.com>
1954
1955         PR target/16364
1956         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
1957         do return a parallel if hfa_mode == XFmode and mode == TImode.
1958
1959 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1960
1961         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
1962         permissible for unary plus.
1963
1964 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1965
1966         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
1967         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
1968         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
1969         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
1970         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
1971         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
1972         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
1973         (BUILTIN_xxxIMAX): New.
1974         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
1975         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
1976         BUILT_IN_PARITYIMAX.
1977
1978 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
1979
1980         * config/sparc/sparc.h (processor_costs): Define.
1981         (sparc_costs): Declare.
1982         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
1983         hypersparc_costs, sparclet_costs, ultrasparc_costs,
1984         ultrasparc3_costs): New.
1985         (sparc_override_options): Set sparc_costs as appropriate.
1986         (sparc_rtx_costs): Use sparc_costs instead of messy
1987         conditionals.
1988
1989 2004-07-09  Steven Bosscher  <stevenb@suse.de>
1990
1991         * doc/md.texi (Processor pipeline description): Mention that
1992         the old pipeline description is deprecated.
1993
1994         * config/rs6000/7450.md (automaton ppc7450): Split up, move
1995         mciu_7450 function unit to...
1996         (automaton ppc7450mciu): ...new automaton.
1997
1998         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
1999         (schedule_block): Don't consider inserting bubbles.
2000         (sched_init): Don't initialize DFA bubbles.
2001         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
2002         TARGET_SCHED_DFA_BUBBLE): Remove.
2003         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
2004         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
2005         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
2006
2007         * stmt.c (conditional_context): Remove prototype.
2008         * tree.h (conditional_context): Remove.
2009         * tree-cfg.c (pre_insert_on_edge): Remove.
2010
2011         * c-common.h (c_expand_asm_operands): Remove prototype.
2012         * c-typeck.c (c_expand_asm_operands): Remove.
2013
2014 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2015
2016         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
2017         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
2018         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
2019         and V8QI are class SSE. All sufficiently small remaining vector modes
2020         must be passed in one or two integer registers.
2021         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
2022         returned in memory.
2023         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
2024         __builtin_ia32_pmuludq128 have non-uniform argument and return types
2025         and must thus be handled explicitly.
2026         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
2027         MMX and XMM regs.
2028         (movv8qi_internal, movv4hi_internal, movv2si_internal,
2029         movv2sf_internal): Permit moving between MMX and XMM registers (since
2030         MMX areguments and return values are passed in XMM registers).
2031         (sse2_umulsidi3): Correct type and mode.
2032
2033 2004-07-09  Richard Henderson  <rth@redhat.com>
2034
2035         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
2036
2037 2004-07-09  Eric Christopher  <echristo@redhat.com>
2038
2039         * config/rs6000/40x.md: Split into two automatons.
2040
2041 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
2042             Andrew Pinski  <apinski@apple.com>
2043
2044         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
2045         on when we have more than one input file.
2046         (c_common_parse_file): Restore loop over all input files.
2047         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
2048
2049         * c-decl.c (set_type_context): New function.
2050         (pop_scope): Use it to set context of types.  When we
2051         encounter a TYPE_DECL, set the context of the attached type too.
2052         (pop_file_scope): Don't call cpp_undef_all here.
2053         (diagnose_mismatched_decls): Do not complain about a second
2054         definition of an 'extern inline' function if it's not in the
2055         same translation unit.  Do not complain about inline
2056         declaration after use if the use was in a different
2057         translation unit.
2058         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
2059         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
2060         the external scope.
2061         (pushdecl_top_level): Likewise.
2062         (grokdeclarator): Clarify what is going on with setting
2063         DECL_EXTERNAL on function types, a little.
2064         (c_write_global_declarations): Don't do anything if
2065         -fsyntax-only or errors have been encountered.
2066
2067 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
2068
2069         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
2070
2071 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2072
2073         PR target/16459
2074         * pa.c (output_indirect_call): Use %r2 as the link register when
2075         calling $$dyncall with a pc-relative branch.
2076
2077 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
2078
2079         * doc/install.texi (Binaries): Mention OpenPKG.
2080
2081 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
2082
2083         Fix PR tree-optimization/15555
2084         * tree-dfa.c (dump_variable): If the variable is a pointer
2085         SSA_NAME, also dump its points-to information.
2086         * tree-flow.h (struct ptr_info_def): Add field
2087         is_dereferenced.
2088         (dump_points_to_info_for): Declare.
2089         (debug_points_to_info_for): Declare.
2090         * tree-optimize.c (init_tree_optimization_passes): Add a
2091         second alias analysis pass after DOM2.
2092         Move pass_del_pta to a later spot.
2093         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
2094         create a name tags when we find a dereferenced pointer.  Just
2095         mark the pointer dereferenced.
2096         (collect_points_to_info_for): Move code to clear points-to
2097         information to create_name_tags.
2098         (create_name_tags): New function.
2099         (compute_flow_sensitive_aliasing): Call it.
2100         (setup_pointers_and_addressables): Mark type tags for renaming
2101         here instead of ...
2102         (create_memory_tag): ... here.
2103         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
2104         (dump_points_to_info_for): Declare extern.
2105         (debug_points_to_info_for): New function.
2106
2107 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
2108
2109         * config/arc/arc.md: Switch to DFA-based scheduler description.
2110         * config/arc/arc.c: Switch to DFA-based scheduler description.
2111
2112 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
2113
2114         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
2115         pointer.
2116
2117 2004-07-09  Richard Henderson  <rth@redhat.com>
2118
2119         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
2120         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2121         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
2122         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
2123
2124         * config/v850/v850-protos.h (v850_va_arg): Remove.
2125         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2126         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
2127         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
2128         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
2129         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
2130
2131 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
2132
2133         PR target/12133
2134         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
2135         and DImode to use +/-4k offset.
2136
2137 2004-07-09  Richard Henderson  <rth@redhat.com>
2138
2139         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
2140         Remove.
2141         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2142         (xstormy16_gimplify_va_arg_expr): Rewrite from
2143         xstormy16_expand_builtin_va_arg.
2144         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
2145
2146         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
2147         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
2148
2149         * config/sh/sh-protos.h (sh_va_arg): Remove.
2150         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2151         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
2152         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
2153
2154         * config/pa/pa-protos.h (hppa_va_arg): Remove.
2155         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2156         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
2157         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
2158
2159         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
2160         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2161         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
2162         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
2163
2164 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
2165
2166         * config/sparc/sparc.md (return): Rewrite length formula.
2167         * config/sparc/sparc.c (output_return): Pass 1 as 5th
2168         argument to final_scan_insn when in a delay slot.
2169         (output_sibcall): Likewise.
2170
2171 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
2172
2173         * arm.c (arm_cpp_interwork): New variable.
2174         (arm_override_options): Set it if TARGET_INTERWORK was on the command
2175         line.
2176         * arm.h (arm_cpp_interwork): Declare it.
2177         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
2178         __THUMB_INTERWORK__ in the preprocessor.
2179
2180 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
2181
2182         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
2183
2184 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
2185
2186         PR target/16416
2187         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
2188         Override default settings to account for -m32 and -m64.
2189
2190 2004-07-08  Randolph Chung  <tausq@debian.org>
2191
2192         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
2193
2194 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
2195
2196         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
2197         before comparing it as such.
2198
2199 2004-07-08  Richard Henderson  <rth@redhat.com>
2200
2201         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
2202         temporary.  Use bit arithmetic to align.
2203
2204 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
2205
2206         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
2207         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
2208         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
2209         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
2210         add_labels_and_missing_jumps, find_jump_block,
2211         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
2212         Likewise.
2213         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
2214         link_btr_uses, move_btr_def): Likewise.
2215         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
2216         expand_builtin_expect_jump): Likewise.
2217         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
2218         * calls.c (expand_call, emit_library_call_value_1): Likewise.
2219         * cfganal.c (forwarder_block_p): Likewise.
2220         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
2221         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
2222         find_bb_boundaries): Likewise.
2223         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
2224         merge_blocks_move_predecessor_nojumps,
2225         merge_blocks_move_successor_nojumps, insns_match_p,
2226         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2227         try_optimize_cfg): Likewise.
2228         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
2229         * cfglayout.c (skip_insns_after_block, label_for_bb,
2230         record_effective_endpoints, insn_locators_initialize,
2231         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
2232         * cfgmainloop.c (create_loop_notes): Likewise.
2233         * cfgrtl.c (delete_insn, delete_insn_chain,
2234         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
2235         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
2236         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
2237         redirect_branch_edge, force_nonfallthru_and_redirect,
2238         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
2239         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
2240         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
2241         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
2242         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
2243         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
2244         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
2245         * combine.c (combine_instructions, can_combine_p, try_combine,
2246         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
2247         distribute_notes, distribute_links, insn_cuid): Likewise.
2248         * cse.c (fold_rtx, cse_insn, cse_around_loop,
2249         invalidate_skipped_block, cse_set_around_loop,
2250         cse_end_of_basic_block, cse_main, cse_basic_block,
2251         cse_condition_code_reg): Likewise.
2252         * cselib.c (cselib_process_insn): Likewise.
2253         * ddg.c (create_ddg): Likewise.
2254         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
2255         Likewise.
2256         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
2257         gen_label_die, dwarf2out_var_location): Likewise.
2258         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
2259         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
2260         last_call_insn, active_insn_p, next_label, prev_label,
2261         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
2262         add_insn_before, remove_insn, add_function_usage_to,
2263         reorder_insns, find_line_note, remove_unnecessary_notes,
2264         emit_insn_after_1, classify_insn): Likewise.
2265         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
2266         connect_post_landing_pads, sjlj_mark_call_sites,
2267         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
2268         can_throw_internal, can_throw_external, set_nothrow_function_flags,
2269         convert_to_eh_region_ranges): Likewise.
2270         * explow.c (optimize_save_area_alloca): Likewise.
2271         * expr.c (expand_expr_real): Likewise.
2272         * final.c (insn_current_reference_address, compute_alignments,
2273         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
2274         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
2275         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
2276         propagate_block_delete_insn, propagate_one_insn,
2277         init_propagate_block_info, propagate_block, libcall_dead_p,
2278         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
2279         Likewise.
2280         * function.c (instantiate_virtual_regs, reorder_blocks_1,
2281         expand_function_start, expand_function_end, contains,
2282         thread_prologue_and_epilogue_insns,
2283         reposition_prologue_and_epilogue_notes): Likewise.
2284         * gcse.c (constprop_register, bypass_conditional_jumps,
2285         insert_insn_end_bb, gcse_after_reload): Likewise.
2286         * genemit.c (gen_expand, gen_split): Likewise.
2287         * genpeep.c (gen_peephole, main): Likewise.
2288         * global.c (build_insn_chain): Likewise.
2289         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
2290         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
2291         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
2292         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
2293         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
2294         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
2295         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
2296         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
2297         dead_or_predicable): Likewise.
2298         * integrate.c (try_constants): Likewise.
2299         * jump.c (rebuild_jump_labels, cleanup_barriers,
2300         purge_line_number_notes, init_label_info, mark_all_labels,
2301         squeeze_notes, get_label_before, get_label_after,
2302         reversed_comparison_code_parts, simplejump_p, pc_set,
2303         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
2304         delete_barrier, delete_prior_computation, delete_computation,
2305         delete_related_insns, delete_for_peephole, redirect_jump):
2306         Likewise.
2307         * lcm.c (optimize_mode_switching): Likewise.
2308         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
2309         Likewise.
2310         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
2311         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
2312         * loop-iv.c (simplify_using_assignment): Likewise.
2313         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
2314         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
2315         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
2316         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
2317         check_insn_for_givs, check_final_value, update_giv_derive,
2318         basic_induction_var, product_cheap_p, check_dbra_loop,
2319         loop_insn_first_p, last_use_this_basic_block,
2320         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
2321         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
2322         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
2323         sms_schedule_by_order): Likewise.
2324         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
2325         * postreload.c (reload_cse_simplify_operands, reload_combine,
2326         reload_cse_move2add): Likewise.
2327         * predict.c (can_predict_insn_p, estimate_probability,
2328         expected_value_to_br_prob, process_note_predictions): Likewise.
2329         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
2330         * profile.c (branch_prob): Likewise.
2331         * ra-build.c (live_out_1, livethrough_conflicts_bb,
2332         detect_webs_set_in_cond_jump): Likewise.
2333         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
2334         ra_print_rtl_with_bb): Likewise.
2335         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
2336         * recog.c (next_insn_tests_no_inequality, find_single_use,
2337         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
2338         * reg-stack.c (next_flags_user, record_label_references,
2339         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
2340         compensate_edge, convert_regs_1): Likewise.
2341         * regclass.c (scan_one_insn): Likewise.
2342         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
2343         regmove_optimize, fixup_match_1, single_set_for_csa,
2344         combine_stack_adjustments_for_block): Likewise.
2345         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
2346         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
2347         find_equiv_reg): Likewise.
2348         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
2349         reload_as_needed, emit_input_reload_insns, do_output_reload,
2350         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
2351         Likewise.
2352         * reorg.c (find_end_label, emit_delay_sequence,
2353         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
2354         get_jump_flags, rare_destination, mostly_true_jump,
2355         try_merge_delay_insns, redundant_insn, own_thread_p,
2356         fill_simple_delay_slots, fill_slots_from_thread,
2357         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
2358         dbr_schedule): Likewise.
2359         * resource.c (find_basic_block, next_insn_no_annul,
2360         find_dead_or_set_registers, mark_target_live_regs): Likewise.
2361         * rtl.h (RTX_PREV): Likewise.
2362         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
2363         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
2364         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
2365         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
2366         tablejump_p, computed_jump_p, insns_safe_to_move_p,
2367         find_first_parameter_load, can_hoist_insn_p): Likewise.
2368         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
2369         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
2370         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
2371         schedule_ebbs): Likewise.
2372         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
2373         is_conditionally_protected, can_schedule_ready_p,
2374         add_branch_dependences, debug_dependencies): Likewise.
2375         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
2376         Likewise.
2377         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
2378         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
2379         set_dominates_use, ujump_to_loop_cont): Likewise.
2380         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
2381         * varasm.c (output_constant_pool_1): Likewise.
2382
2383 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2384
2385         * tree-scalar-evolution.c: New file.
2386         * tree-scalar-evolution.h: New file.
2387         * tree-ssa-loop-niter.c: New file.
2388         * Makefile.in (SCEV_H): New.
2389         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
2390         * cfgloop.h (struct loop): Add bounds field.
2391         * tree-flow.h (struct tree_niter_desc): New type.
2392         (number_of_iterations_cond, number_of_iterations_exit,
2393         loop_niter_by_eval, find_loop_niter_by_eval,
2394         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
2395         free_numbers_of_iterations_estimates): Declare.
2396         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
2397         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
2398         * doc/invoke.texi (max-iterations-to-track): Document.
2399
2400 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
2401
2402         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
2403         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
2404         (MODE_AFTER): Add cast appropriately.
2405         * config/sh/sh.md (movdi splitter): Likewise.
2406         (casesi_worker_2): Add const qualifier appropriately.
2407         (eh_return): Remove unused variable.
2408         (insv): Initialize v;
2409
2410 2004-07-08  Richard Henderson  <rth@redhat.com>
2411
2412         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
2413         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2414         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
2415         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
2416         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
2417
2418         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
2419         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2420         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
2421         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
2422
2423         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
2424         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2425         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
2426         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
2427
2428         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
2429         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2430         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
2431         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
2432
2433         * config/i860/i860-protos.h (i860_va_arg): Remove.
2434         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2435         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
2436         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
2437
2438 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
2439
2440         * system.h: Prototype getpagesize if missing.
2441         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
2442         * configure: Regenerate.
2443         * config.in: Regenerate.
2444
2445 2004-07-08  Richard Henderson  <rth@redhat.com>
2446
2447         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
2448         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2449         (fr30_gimplify_va_arg_expr): New.
2450         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
2451         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
2452
2453 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
2454
2455         PR target/16414
2456         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
2457         of asm_noperands result.
2458
2459 2004-07-08  Richard Henderson  <rth@redhat.com>
2460
2461         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
2462         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2463         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
2464         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
2465
2466 2004-07-08  Richard Henderson  <rth@redhat.com>
2467
2468         * builtins.c (ind_gimplify_va_arg_expr): New.
2469         * tree.h (ind_gimplify_va_arg_expr): Declare.
2470         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
2471
2472 2004-07-08  Jan Beulich  <jbeulich@novell.com>
2473
2474         * expmed.c (extract_bit_field): Correct condition to use vec_extract
2475         patterns also on vector elements other than the first one.
2476         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
2477         break statements.
2478
2479 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
2480
2481         * config/rs6000/darwin-ldouble.c: Correct reference
2482         to the Linnainmaa paper.
2483
2484 2004-07-08  Richard Henderson  <rth@redhat.com>
2485
2486         * config/arc/arc-protos.h (arc_va_arg): Remove.
2487         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2488         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
2489         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
2490
2491         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
2492         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2493         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
2494         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
2495
2496 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2497
2498         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
2499
2500 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
2501
2502         * c-decl.c (static_ctors, static_dtors): Make static.
2503         (pop_file_scope): Call c_common_write_pch and
2504         cgraph_finalize_compilation_unit here.
2505         (build_cdtor): Moved here from c-objc-common.c; simplify.
2506         (c_write_global_declarations_1): Clarify comment.
2507         (c_write_global_declarations): Close the external scope before
2508         doing anything else.  Call build_cdtor, cgraph_optimize, and
2509         mudflap_finish_file here.
2510         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
2511         Clarify comment.
2512         * c-objc-common.c: No need to include cgraph.h.
2513         (build_cdtor): Moved to c-decl.c.
2514         (c_objc_common_finish_file): Delete.
2515         * c-tree.h: Update to match.
2516         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
2517         (generate_static_references): Set TREE_USED before calling finish_decl.
2518         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
2519         on the static_instances_decl.
2520
2521 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
2522
2523         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
2524         decls when there is only one input translation unit.
2525         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
2526         change of 2004-07-05; do not treat declarations with
2527         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
2528         * opts.c (cur_in_fname): Delete.
2529         * opts.h: Likewise.
2530         * tree.c: Revert changes of 2004-07-05; no special treatment
2531         for TRANSLATION_UNIT_DECLs.
2532         * Makefile.in (tree.o): Update dependencies.
2533
2534 2004-07-08  Roger Sayle  <roger@eyesopen.com>
2535
2536         * builtins.c (fold_builtin_strcpy): Merge functionality from
2537         simplify_builtin_strcpy.  Add additional len argument.  No longer
2538         static.  Remove function prototype.
2539         (fold_builtin_strncpy): Likewise integrate functionality from
2540         simplify_builtin_strncpy.  Add additional slen argument.  No
2541         longer static.  Remove function prototype.
2542         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
2543         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
2544         types of "ignore" and "unlocked" parameters to bool.
2545         (fold_builtin_1):  Add additional ignore argument.  Call renamed
2546         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
2547         builtins.  Update arguments to fold_builtin_strncpy and
2548         fold_builtin_strcpy.  Add function prototype.
2549         (fold_builtin): Add additional Boolean ignore argument to pass
2550         to fold_builtin_1.
2551         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
2552         and fold_builtin_strncpy instead of simplify_builtin_fputs,
2553         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
2554
2555         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
2556         simplify_builtin_strncpy): Delete function prototypes.
2557         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
2558         fold_builtin_strncpy): Add function prototypes here.
2559         (fold_builtin): Update function prototype with new "bool ignore".
2560
2561         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
2562         (ccp_fold_builtin):  Update call to fold_builtin.  Call
2563         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
2564         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
2565         simplify_builtin_strncpy respectively.
2566         * fold-const.c (fold): Update call to fold_builtin.
2567
2568 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
2569
2570         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
2571         to strcpy.
2572
2573         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
2574         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
2575         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
2576         * calls.c: Remove ifdefs of macros above.
2577         * functions.c: Likewise.
2578         * expr.c: Likewise.
2579
2580 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2581
2582         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
2583         (arch attribute): Delete.
2584         (current_function_calls_alloca attribute): Rename into calls_alloca.
2585         (calls_eh_return): New attribute.
2586         (leaf_function): Likewise.
2587         (length attribute): Fix formula for sibcalls.
2588         (return insn): Correctly compute the 'length' attribute.
2589         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
2590
2591 2004-07-08  Richard Henderson  <rth@redhat.com>
2592
2593         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
2594         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
2595         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
2596         * tree-eh.c (lower_eh_constructs_1): Likewise.
2597         * tree-sra.c (sra_walk_modify_expr): Likewise.
2598         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
2599         (eliminate_unnecessary_stmts): Likewise.
2600         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2601         * tree-tailcall.c (optimize_tail_call): Likewise.
2602         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
2603
2604 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
2605             Jakub Jelinek  <jakub@redhat.com>
2606
2607         * config/i386/i386.c (override_options): Enable
2608         SSE prefetches with -mtune, as long as we are
2609         compiling for i686 or higher.  All i686 processors
2610         accept SSE prefetches as NOPS, some i586's don't.
2611
2612 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2613
2614         PR target/10567
2615         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
2616
2617 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
2618
2619         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
2620         the handling of clobbering ASM_EXPRs.
2621
2622 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2623
2624         PR target/16430
2625         * config/sparc/sparc.c (function_value): In 64-bit mode,
2626         return the aggregates larger than 16 bytes like unions.
2627
2628 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2629
2630         PR target/16199
2631         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
2632         'temp' is zero, generate new pseudos as needed and emit the
2633         sequence of insns in single-assignment form.  Resync comments
2634         with code.
2635         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
2636         function before reload.
2637
2638 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
2639
2640         * vec.c (vec_assert_fail): Remove duplicate 'function'.
2641
2642         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
2643
2644         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
2645         Allocation is signed.
2646         (VEC_reserve): Return flag, allocation is signed.
2647
2648 2004-07-08  Richard Henderson  <rth@redhat.com>
2649
2650         * tree-ssa-ccp.c (fold_stmt): Get type directly from
2651         OBJ_TYPE_REF_OBJECT.
2652
2653 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
2654             Neil Booth  <neil@daikokuya.co.uk>
2655
2656         PR c/2511
2657         PR c/3325
2658         * c-decl.c (finish_struct): Ensure bit-fields are given the
2659         correct type.
2660         * c-common.c (c_common_signed_or_unsigned_type): For C, require
2661         the precision to match as well as the mode.
2662         * expr.c (reduce_to_bit_field_precision): New function.
2663         (expand_expr_real_1): Reduce expressions of bit-field type to
2664         proper precision.
2665         * langhooks.h (reduce_bit_field_operations): New hook.
2666         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2667         Define.
2668         * c-lang.c, objc/objc-lang.c
2669         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
2670         * objc/objc-act.c (check_ivars): Convert types to bit-field types
2671         before checking.
2672         * tree.c (build_nonstandard_integer_type): New function.
2673         * tree.h (build_nonstandard_integer_type): New prototype.
2674         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
2675         conversions between integer and boolean types as useless.
2676
2677 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
2678
2679         * c-common.c (c_common_nodes_and_builtins): Do not
2680         create __builtin_ptrdiff_t and __builtin_size_t.
2681
2682 2004-07-08  Andrew Pinski  <apinski@apple.com>
2683
2684         * Makefile.in (libbackend.o): Add -combine to the gcc
2685         command line.
2686
2687 2004-07-08  Nick Clifton  <nickc@redhat.com>
2688
2689         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
2690         Set to -Os.
2691
2692 2004-07-08  Richard Henderson  <rth@redhat.com>
2693
2694         * except.c (expand_eh_region_start, expand_eh_region_end,
2695         expand_eh_handler, expand_eh_region_end_cleanup,
2696         expand_start_all_catch, expand_start_catch, expand_end_catch,
2697         expand_end_all_catch, expand_eh_region_end_allowed,
2698         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
2699         expand_eh_region_end_fixup): Remove.
2700         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
2701         cleanups, outer_cleanups, label_chain, exception_region.
2702         (struct goto_fixup): Remove stack_level, cleanup_list_list.
2703         (struct label_chain): Remove.
2704         (struct stmt_status): Remove x_stack_block_stack.
2705         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
2706         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
2707         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
2708         end_cleanup_deferral, last_cleanup_this_contour,
2709         containing_blocks_have_cleanups_or_stack_level,
2710         any_pending_cleanups): Remove.
2711         (expand_null_return_1): Take no arguments.
2712         (expand_label, expand_naked_return, expand_return,
2713         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
2714         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
2715         expand_end_case_type): Don't use any of them.
2716         * calls.c (expand_call): Likewise.
2717         * dojump.c (do_jump): Likewise.
2718         * function.c (expand_function_end): Likewise.
2719         * expr.c (store_expr, expand_expr_real_1): Likewise.
2720         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
2721         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
2722         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
2723         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
2724         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
2725         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
2726         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
2727         for WITH_CLEANUP_EXPR.
2728         (gimple_push_cleanup): Likewise.
2729         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
2730         * print-tree.c (print_node): Likewise.
2731         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
2732         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
2733         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
2734         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
2735         (GOTO_SUBROUTINE_EXPR): Remove.
2736         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
2737         (DECL_TOO_LATE): Remove.
2738         * except.h, tree.h: Update decls.
2739
2740 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
2741
2742         * explow.c (optimize_save_area_alloca): Do not accept parameters.
2743         * passes.c (rest_of_handle_final): Handle symout.
2744         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
2745         Push timevar here.
2746         (rest_of_handle_sched): Break out SMS.  Remove ifs for
2747         flag_schedule_insns and flag_modulo_sched.
2748         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
2749         collect at the end.
2750         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
2751         (rest_of_handle_partition_blocks, rest_of_handle_sms,
2752         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
2753         rest_of_handle_mode_switching, rest_of_handle_jump,
2754         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
2755         rest_of_handle_jump2, rest_of_handle_postreload,
2756         rest_of_handle_flow2, rest_of_clean_state,
2757         rest_of_handle_shorten_branches,
2758         rest_of_handle_prologue_epilogue,
2759         rest_of_handle_branch_target_load_optimize): New.
2760         (rest_of_compilation): Call the above.  Remove ggc_collect
2761         calls moved to rest_of_handle_*.
2762         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
2763
2764         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
2765         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
2766         * except.h (set_nothrow_function_flags): Update comment.
2767         * function.c (current_function_nothrow): Remove.
2768         * output.h (current_function_nothrow): Remove.
2769         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
2770         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
2771
2772 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2773
2774         PR bootstrap/16326
2775         * reorg.c: Revert 2004-06-30 change.
2776         (find_end_label): If HAVE_epilogue and !HAVE_return,
2777         return 0 instead of creating a label at the end of the insn chain.
2778         (optimize_skip): Account for the failure mode of find_end_label.
2779         (fill_simple_delay_slots): Likewise.
2780         (fill_slots_from_thread): Likewise.
2781         (relax_delay_slots): Likewise.
2782
2783 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
2784
2785         * tree-flow.h (addressable_vars): Declare.
2786         * tree-ssa-alias.c (addressable_vars): Define.
2787         (setup_pointers_and_addressables): Add addressable variables
2788         to addressable_vars.
2789         * tree-ssa-operands.c (get_stmt_operands): Move
2790         handling of ASM_EXPRs ...
2791         (get_asm_expr_operands): ... here.
2792         When the ASM_EXPR clobbers memory, also clobber addressable
2793         variables.
2794         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
2795         (delete_tree_ssa): Reset addressable_vars.
2796
2797 2004-07-07  Jan Beulich  <jbeulich@novell.com>
2798             Richard Henderson  <rth@redhat.com>
2799
2800         * varasm.c (assemble_variable): Use assemble_zeros for
2801         zero-initialized variables.
2802         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
2803         for SECCAT_BSS and SECCAT_TBSS.
2804
2805 2004-07-07  Jan Beulich  <jbeulich@novell.com>
2806
2807         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
2808
2809         * expmed.c (emit_store_flag): Also special-case double-word
2810         (in-)equality comparison against -1.
2811
2812         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
2813         passing arguments the containers for which are registers.
2814
2815         * calls.c (emit_library_call_value_1): Use mode of function parameter
2816         rather than that of argument since constants have none.
2817
2818 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
2819
2820         Introduce H8SX support.
2821         * expr.c (expand_strcpy): Renamed and moved to...
2822         * builtins.c (expand_movstr): ... here.  Tweak.
2823         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
2824         computed or has side effects.
2825         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
2826         unused, or if mempcpy fails.  Adjust the return value in the
2827         latter case.  Use movstr if everything else fails.
2828         * doc/md.texi (movstr): Document.
2829         (movmemM, clrmemM): Fix explanation of memory block operands.
2830         * config/h8300/h8300.md (stpcpy): Renamed to...
2831         (movstr): ... this.  Adjust.
2832         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2833         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
2834         movmem* and clrstr* to clrmem*.
2835         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
2836         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
2837         GENERAL_REGS, always.
2838         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
2839         getting the stack pointer as addr.
2840         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
2841         from general_operand_dst.
2842         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
2843         variant of...
2844         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
2845         instead of requiring it to match only before reload.
2846         (stpcpy_internal_normal): New, normal-mode variant of...
2847         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
2848         `D' instead of requiring it to match only before reload.
2849         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
2850         mode argument.
2851         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
2852         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
2853         h8300_get_index.
2854         * config/h8300/h8300.md (attr type): Add call.
2855         (attr can_delay): If type is call, set it no.
2856         (call, call_value): Set type to call.
2857         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
2858         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
2859         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
2860         * tree.c (get_narrower): Don't narrow integral types into
2861         non-integral types.
2862         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
2863         frame_size *before* the first use.
2864         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
2865         on input.
2866         (peephole2): Don't widen instructions that push SP.  Move
2867         decrement of SP to the end of all stm-generating peepholes.
2868         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
2869         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
2870         and OR to set it to all ones.
2871         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
2872         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
2873         (call, call_value): Set can_delay to "no".
2874         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
2875         * config/h8300/h8300.md (extzv): Make subreg check more robust.
2876         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2877         * config/h8300/h8300.md (*brabit): Remove.
2878         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
2879         zero_extract.  Use bit_memory_operand as the predicate for
2880         operand 1 and 'WU' as the constraint.  Check the difference
2881         between the base length and the final one when deciding which
2882         type of branch to use.
2883         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2884         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
2885         Use convert_move to extend the result for TARGET_H8300SX.  Check
2886         for QImode memory references.  Optimize the case where the
2887         destination is a paradoxical subreg.
2888         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2889         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
2890         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
2891         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2892         * config/h8300/h8300.md: Include mova.md
2893         (length_table): Add mova and mova_zero.
2894         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
2895         after all constant addresses for '%R', '%X', '%T' and '%S'.
2896         (h8300_mova_length): New function.
2897         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
2898         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
2899         dependencies for s-config, etc.
2900         * config/h8300/gemova.sh: New file.
2901         * config/h8300/mova.md: Generated.
2902         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
2903         * config/h8300/h8300.c (h8300_bitfield_length): New.
2904         (nibble_operand): Adjust.
2905         (h8300_binary_length): Handle conditional binary op.
2906         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
2907         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
2908         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
2909         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
2910         constraints.  WU is introduced as a variant of U that requires a
2911         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
2912         * config/h8300/h8300.md (attr type): Added bitbranch.
2913         (attr length_table): Added bitfield and bitbranch.
2914         (attr length): Compute bitbranch length.
2915         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
2916         least-significant bit of a byte.
2917         (brabit, brabc, brabs): New.
2918         (insv, extzv): Emit bfst and bfld on H8300SX.
2919         (bfld, bfst, seq, sne): New.
2920         (bstzhireg, cmpstz, bstz, bistz): New.
2921         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
2922         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
2923         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
2924         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
2925         (h8sx_unary_memory_operator): New function.
2926         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
2927         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
2928         * config/h8300/h8300.md: Add peepholes to combine reloads and
2929         arithmetic insns.
2930         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
2931         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
2932         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
2933         (and?i, ior?i, xor?i): Likewise.
2934         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
2935         * config/h8300/h8300.c: Move enums and prototypes to head of file.
2936         Various whitespace fixes.
2937         (h8300_constant_length): New function, split out from...
2938         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
2939         (h8300_classify_operand): Use IN_RANGE.
2940         (h8300_classify_operand): Use h8300_constant_length.
2941         (h8300_short_move_mem_p): Tighten size check.
2942         (h8sx_mergeable_memrefs_p): Tighten equality check.
2943         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
2944         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
2945         for -msx.
2946         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
2947         * config/h8300/crtn.asm: Likewise.
2948         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
2949         if __H8300SX__ is defined.
2950         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
2951         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
2952         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
2953         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
2954         addresses as mode-dependent.
2955         * config/h8300/h8300.c (print_operand_address): Update call to
2956         h8300_get_index.
2957         (h8300_get_index): Take a mode argument.  Rework to fix an
2958         earlier misunderstanding.
2959         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
2960         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
2961         into a register if TARGET_H8300SX.
2962         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
2963         TARGET_H8300SX.  Also disable related define_splits.
2964         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
2965         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
2966         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
2967         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
2968         * config/h8300/h8300.h (OK_FOR_Z): New macro.
2969         (EXTRA_CONSTRAINT_STR): Check it.
2970         * config/h8300/h8300.c (h8300_classify_operand): Accept null
2971         class arguments.
2972         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
2973         * config/h8300/h8300.md (length_table): Add mov_imm4.
2974         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
2975         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
2976         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
2977         be a label.
2978         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
2979         * config/h8300/h8300.c (h8300_reorg): New function.
2980         (TARGET_MACHINE_DEPENDENT_REORG): Define.
2981         * config/h8300/h8300.md (length): Subtract the length of the
2982         delay slot from (pc) when checking the range of forward branches.
2983         (delay_slot, can_delay): New attributes.
2984         (define_delay): Add bra/s handling.
2985         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
2986         (jump): Add delayed-branch handling.
2987         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
2988         * expr.c (expand_strcpy): New function.
2989         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
2990         (expand_builtin_stpcpy): Likewise.
2991         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
2992         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
2993         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
2994         handling to improve register allocation for -fno-omit-frame-pointer.
2995         (h8sx_split_movmd): Delete, moving er6 handling into...
2996         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
2997         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
2998         (movmd): Add calls to copy_rtx.
2999         (movmd_internal): In the second alternative, allow the initial and
3000         final destination registers to be different .  Update the splitter
3001         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
3002         instead of h8sx_split_movmd.
3003         (stpcpy, movsd): New expanders.
3004         (movsd_internal): New define_insn.
3005         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
3006         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
3007         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
3008         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
3009         and DESTINATION_REGS.
3010         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
3011         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
3012         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
3013         (h8300_move_ratio): Declare.
3014         (MOVE_RATIO): Use it.
3015         * config/h8300/h8300.c (h8300_move_ratio): New variable.
3016         (h8300_init_once): Initialize it.
3017         (h8300_reg_class_from_letter): New function.
3018         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
3019         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
3020         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
3021         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
3022         (movstrsi, movmd): New expanders.
3023         (movmd_internal): New insn.
3024         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
3025         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
3026         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
3027         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
3028         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
3029         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
3030         * config/h8300/h8300.c (nibble_operand): Fix warning.
3031         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
3032         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
3033         (movsf_h8300h): Disable for TARGET_H8300SX.
3034         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
3035         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
3036         h8300_stm_parallel and h8300_return_parallel.
3037         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
3038         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
3039         h8300_stm_parallel, h8300_return_parallel): New functions.
3040         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
3041         if TARGET_H8300SX.  Use h8300_push_pop.
3042         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
3043         and final pop when generating h8sx code.  Always emit some form
3044         of return insn.
3045         * config/h8300/h8300.md: Don't enforce register alignment in
3046         stm peepholes if TARGET_H8300SX.
3047         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
3048         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
3049         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
3050         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
3051         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
3052         (MULTILIB_DIRNAMES): Add a directory for it.
3053         (MULTILIB_MATCHES): Delete.
3054         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
3055         * final.c (walk_alter_subreg): Handle addresses with subregs
3056         inside a ZERO_EXTEND or AND.
3057         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
3058         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
3059         if TARGET_H8300SX.
3060         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
3061         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
3062         @(dd,Rn.w) and @(dd,ERn.L).
3063         (h8300_displacement_size): Take the whole address as argument.
3064         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
3065         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
3066         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
3067         (h8sx_mergeable_memrefs_p): Declare.
3068         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
3069         (HAVE_PRE_INCREMENT): Likewise.
3070         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
3071         addresses for TARGET_H8300SX,
3072         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
3073         and POST_DEC.
3074         (movb_length_table, movl_length_table): New tables.
3075         (movw_length_table): Define to movb_length_table.
3076         (h8300_displacement_size): New, split out from...
3077         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
3078         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
3079         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
3080         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
3081         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
3082         (compute_plussi_length, compute_plussi_cc): Update accordingly.
3083         (h8sx_unary_shift_operator): Get the mode from the operator.
3084         (binary_shift_operator): Likewise.
3085         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
3086         a memory reference, check whether the reference is offsettable.
3087         (length_table): Add movb, movw and movl.
3088         (movqi): Add new h8sx pattern.  Don't force one operand to be a
3089         register when generating h8sx code.
3090         (movhi, movsi, movsf): Likewise.
3091         (movstrictqi): Use the length_table attribute.
3092         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
3093         (addqi3): Split into a define_expand and define_insn.  Don't accept
3094         memory operands in the expander.  Use h8300_operands_match_p to
3095         check for matching operands in the define_insn.
3096         (subqi3, negqi2, one_cmplqi2): Likewise.
3097         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
3098         in any patterns that are unused in h8sx code.  In the h8sx patterns,
3099         use h8300_operands_match_p to check whether operands match.
3100         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
3101         one_cmpl[hs]i3): Likewise.
3102         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
3103         in the expander.
3104         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
3105         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
3106         (h8300_insn_length_from_table): Add a second parameter.
3107         (output_h8sx_shift): Declare.
3108         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
3109         (EXTRA_CONSTRAINT): Replace with...
3110         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
3111         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
3112         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
3113         and h8sx_binary_shift_operator.
3114         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
3115         for TARGET_H8300SX.
3116         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
3117         (bit_memory_operand, fix_bit_operand): Likewise.
3118         (h8300_length_table_for_insn): Remove.
3119         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
3120         instructions.
3121         (h8300_short_immediate_length, h8300_binary_length): New functions.
3122         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
3123         (output_plussi): Use sub to add negative constants.
3124         (compute_plussi_length): Adjust accordingly.
3125         (h8sx_single_shift_type): New enum.
3126         (h8sx_single_shift, h8sx_unary_shift_operator,
3127         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
3128         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
3129         single h8sx instruction.  Return false in this case.
3130         * config/h8300/h8300.md (length_table): Add short_immediate.
3131         (length): Pass the operand array to h8300_insn_length_from_table.
3132         (adjust_length): Assume "no" for insns with a length_table attribute.
3133         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
3134         (*addhi3_h8300hs): Don't use for h8sx.
3135         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
3136         and sub.w #xx:3.
3137         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
3138         1's predicate to nonimmediate_operand.  Only skip default expansion
3139         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
3140         for single h8sx shift instructions.
3141         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
3142         * config/h8300/h8300.c (nibble_operand): Split out of...
3143         (reg_or_nibble_operand): ... this.
3144         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
3145         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
3146         umulhisi3): Introduce expand, and introduce separate insns for
3147         sign- or zero-extended REG and already-extended CONST_INT.
3148         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
3149         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
3150         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
3151         (subhi3): Likewise.  Don't accept immediates for operand 1.
3152         Remove the early clobber from second alternative of the h8300s pattern.
3153         (subsi3): Generalize for h8sx.  Force operand 2 into a register
3154         on plain h8300 targets.
3155         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
3156         (subsi3_h8300h): Generalize for h8sx.
3157         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
3158         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
3159         * config/h8300/h8300.c (reg_or_nibble_operand): New.
3160         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
3161         (TARGET_H8300SXMUL): New.
3162         (CONST_OK_FOR_P): New.
3163         (CONST_OK_FOR_LETTER_P): Adjust.
3164         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
3165         umulhisi3): Accept 4-bit immediate on H8SX.
3166         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
3167         (udivsi3, divhi3, udivsi3, divsi3): New.
3168         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
3169         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
3170         * config/h8300/h8300.h (OK_FOR_Q): New macro.
3171         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
3172         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
3173         Add ADDRESSOF to the bit_operand entry.
3174         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
3175         (h8300_src_operand): Likewise.
3176         (bit_operand): Check nonimmediate_operand rather than general_operand.
3177         Accept any nonimmediate_operand in h8sx code.
3178         (h8300_and_costs): Initialize operands[1].
3179         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
3180         (h8300_operand_class): New enum.
3181         (h8300_length_table): New typedef.
3182         (addb_length_table, addw_length_table, addl_length_table,
3183         logicl_length_table): New tables.
3184         (logicb_length_table, logicw_length_table): New macros.
3185         (h8300_classify_operand, h8300_length_from_table,
3186         h8300_length_table_for_insn, h8300_unary_length,
3187         h8300_insn_length_from_table): New functions.
3188         (output_plussi): Only use adds and subs for register destinations.
3189         Disable redundant clause.
3190         (compute_plussi_cc): Likewise.
3191         (compute_plussi_length): Likewise.  Use h8300_length_from_table
3192         to work out the length of an insn.
3193         (output_logical_op): Only use narrower immediate instructions
3194         if the destination is a register.
3195         (compute_logical_op_cc): Likewise.
3196         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
3197         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
3198         * config/h8300/h8300.md (length_table): New attribute.
3199         (length): When an instruction has a length_table attribute, use
3200         h8300_insn_length_from_table to calculate its default length.
3201         (cmpqi): Use h8300_dst_operand for the first operand and
3202         h8300_src_operand for the second.
3203         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
3204         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
3205         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
3206         iorsi3, xorhi3, xorsi3): Likewise.
3207         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
3208         so that it allows any combination of operands for TARGET_H8300SX.
3209         (iorqi3, xorqi3): Likewise.
3210         (cmpqi): Use the length_table attribute.
3211         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
3212         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
3213         (cmpqi): Add 'Q' constraint.
3214         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
3215         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
3216         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
3217         * config/h8300/h8300.h (MASK_H8300SX): New macro.
3218         (TARGET_H8300S): True for both -ms and -msx.
3219         (TARGET_H8300SX): New macro.
3220         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
3221         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
3222         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
3223         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
3224         [Temporary change.]
3225         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
3226         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
3227         16-bit pointers and 32-bit ints.
3228         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
3229         CONST_DOUBLE with mode no wider than SImode.
3230         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
3231         output operand.
3232         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
3233         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
3234         or SUBREG thereof.
3235         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
3236         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
3237         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
3238
3239 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
3240
3241         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
3242
3243 2004-07-07  Per Bothner  <per@bothner.com>
3244
3245         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
3246
3247 2004-07-07  Mike Stump  <mrs@apple.com>
3248
3249         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
3250         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
3251         (machopic_finish): Likewise.
3252
3253 2004-07-07  Richard Henderson  <rth@redhat.com>
3254
3255         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
3256         through any value-preserving cast.
3257
3258 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
3259
3260         * function.c (assign_parm_find_data_types): Call
3261         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
3262
3263 2004-07-07  Steven Bosscher  <stevenb@suse.de>
3264
3265         * tree-cfg.c (group_case_labels): Remove case labels that have
3266         the same target as the default case.
3267
3268 2004-07-07  Steven Bosscher  <stevenb@suse.de>
3269
3270         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
3271         regardless of DECL_LANG_SPECIFIC being present or not.
3272         * tree.h (DECL_NUM_STMTS): Purge.
3273
3274 2004-07-07  Andrew Pinski  <apinski@apple.com>
3275
3276         * configure: Regenerate with the right autoconf.
3277
3278 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
3279
3280         * ifcvt.c (total_bb_rtx_cost): New function.
3281         (find_if_case_1): Compare rtx_cost of basic block to cost of
3282         BRANCH_COST insns.
3283         (find_if_case_2): Same.
3284
3285 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
3286
3287         PR target/10567
3288         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
3289         (output_return): Likewise.
3290         (output_sibcall): Abort if !flag_delayed_branch.
3291         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
3292         (emit_and_preserve): New function.
3293         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
3294         indirect jump to the thunked-to function if !flag_delayed_branch.
3295         * config/sparc/sparc.md (delayed_branch): New attribute.
3296         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
3297         attribute to compute the length of the insn.
3298         (goto_handler_and_restore): Likewise.
3299
3300 2004-07-07  Andrew Pinski  <apinski@apple.com>
3301
3302         PR tree-optimization/15777
3303         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
3304
3305         * expr.c (expand_expr_real_1): Fix formating.
3306         BUFFER_REF and IN_EXPR are dead.
3307         * fold-const.c (non_lvalue): BUFFER_REF is dead.
3308         * tree-inline.c (estimate_num_insns_1): Likewise.
3309         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
3310         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
3311         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
3312
3313 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
3314
3315         * collect2.c (dump_file): Don't call cplus_demangle if
3316         HAVE_LD_DEMANGLE is defined.
3317         (main): Pass "--demangle" to ld if no_demangle is not 0 and
3318         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
3319         if HAVE_LD_DEMANGLE is defined.
3320
3321         * configure.ac (--with-demangler-in-ld): Added
3322         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
3323         --with-demangler-in-ld is used.
3324         * config.in: Regenerated.
3325         * configure: Likewise.
3326
3327 2004-07-07  Roger Sayle  <roger@eyesopen.com>
3328
3329         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
3330         for simple floating point operations "fp", double precision
3331         multiplication "dmul", and single and double precision division
3332         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
3333         (ppc630_cost): New table split from ppc620_cost, to distinguish
3334         differences in floating point latencies.
3335         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
3336         (rs6000_rtx_costs): Add support for single and double precision
3337         floating point addition, subtraction, multiplication, division,
3338         fused-multiply-add, fused-multiply-sub, negation, absolute value
3339         and negative absolute value.  Tweak MEM case to use prefered idiom.
3340
3341 2004-07-07  Richard Henderson  <rth@redhat.com>
3342
3343         * tree-flow-inline.h (may_propagate_copy): Move...
3344         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
3345         attempt to copy between types requiring conversion.
3346         * tree-flow.h (may_propagate_copy): Update decl.
3347         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
3348
3349 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
3350
3351         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
3352         from -mtune= option.
3353
3354 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
3355
3356         * builtins.c: Rename movstr*, except for movstrict*, to
3357         movmem* and clrstr* to clrmem*.
3358         * expr.c: Likewise.
3359         * expr.h: Likewise.
3360         * genopinit.c: Likewise.
3361         * integrate.c: Likewise.
3362         * local-alloc.c: Likewise.
3363         * optabs.c: Likewise.
3364         * optabs.h: Likewise.
3365         * config/alpha/alpha.h: Likewise.
3366         * config/alpha/alpha.md: Likewise.
3367         * config/arm/arm-protos.h: Likewise.
3368         * config/arm/arm.c: Likewise.
3369         * config/arm/arm.md: Likewise.
3370         * config/avr/avr.md: Likewise.
3371         * config/c4x/c4x.c: Likewise.
3372         * config/c4x/c4x.md: Likewise.
3373         * config/frv/frv.md: Likewise.
3374         * config/i386/i386-protos.h: Likewise.
3375         * config/i386/i386.c: Likewise.
3376         * config/i386/i386.h: Likewise.
3377         * config/i386/i386.md: Likewise.
3378         * config/i860/i860.c: Likewise.
3379         * config/i860/i860.md: Likewise.
3380         * config/ip2k/ip2k.md: Likewise.
3381         * config/ip2k/libgcc.S: Likewise.
3382         * config/ip2k/t-ip2k: Likewise.
3383         * config/m32r/m32r.c: Likewise.
3384         * config/m32r/m32r.md: Likewise.
3385         * config/mcore/mcore.md: Likewise.
3386         * config/mips/mips.c: Likewise.
3387         * config/mips/mips.md: Likewise.
3388         * config/ns32k/ns32k.c: Likewise.
3389         * config/ns32k/ns32k.h: Likewise.
3390         * config/ns32k/ns32k.md: Likewise.
3391         * config/pa/pa.c: Likewise.
3392         * config/pa/pa.md: Likewise.
3393         * config/pdp11/pdp11.h: Likewise.
3394         * config/pdp11/pdp11.md: Likewise.
3395         * config/rs6000/rs6000.c: Likewise.
3396         * config/rs6000/rs6000.md: Likewise.
3397         * config/s390/s390-protos.h: Likewise.
3398         * config/s390/s390.c: Likewise.
3399         * config/s390/s390.md: Likewise.
3400         * config/sh/lib1funcs.asm: Likewise.
3401         * config/sh/sh.c: Likewise.
3402         * config/sh/sh.md: Likewise.
3403         * config/sh/t-sh: Likewise.
3404         * config/sparc/sparc.h: Likewise.
3405         * config/vax/vax.md: Likewise.
3406         * config/xtensa/xtensa.c: Likewise.
3407         * config/xtensa/xtensa.md: Likewise.
3408         * doc/invoke.texi: Likewise.
3409         * doc/md.texi: Likewise.
3410         * doc/rtl.texi: Likewise.
3411
3412 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
3413
3414         PR target/16407
3415         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
3416         * config/mips/mips.c (mips_declare_common_object): New function,
3417         mostly split out from...
3418         (mips_output_aligned_decl_common): ...here.
3419         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
3420         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
3421         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
3422         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
3423
3424 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3425
3426         PR c/16392
3427         * function.c (assign_parms): Fix typo from previous change.
3428
3429 2004-07-07  Jason Merrill  <jason@redhat.com>
3430
3431         PR c++/15815
3432         * doc/extend.texi (C++ Interface): Correct information and
3433         discourage use.
3434
3435 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
3436
3437         PR target/16130
3438         PR target/16142
3439         PR target/16143
3440         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
3441         insn.
3442
3443 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
3444
3445         PR target/1679.
3446         * config/m32r/m32r.c (m32r_function_symbol): New function:
3447         Generate a symbol name RTX with the correct m32r specific flags
3448         set.
3449         (block_move_call): Use new function to generate correct symbol.
3450         * config/m32r/m32r-protos.h: Add prototype for new funcion.
3451         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
3452         function.
3453
3454 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
3455
3456         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
3457         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
3458         TYPE_BINFO_BASETYPE): Remove.
3459         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
3460         to ...
3461         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
3462         here.
3463         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
3464         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
3465         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
3466         (struct tree_binfo): Rename base_types to base_binfos.
3467         * alias.c (record_component_aliases): Adjust BINFO macros.
3468         * dbxout.c (dbxout_type): Likewise.
3469         * dwarf2out.c (gen_member_die): Likewise.
3470         * sdbout.c (sdbout_one_type): Likewise.
3471         * tree-dump.c (deque_and_dump): Likewise.
3472         * config/i386/i386.c (classify_argument,
3473         contains_128bit_aligned_vector_p): Likewise.
3474
3475 2004-07-07  Nick Clifton  <nickc@redhat.com>
3476
3477         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
3478         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
3479
3480 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
3481
3482         * vec.h: Fix the example use.
3483
3484 2004-07-06  Richard Henderson  <rth@redhat.com>
3485
3486         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
3487         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
3488         * tree-inline.c (copy_body_r, setup_one_parameter,
3489         initialize_inlined_parameters, expand_call_inline,
3490         declare_inline_vars): Don't check it.
3491         (expand_calls_inline): Remove old version, rename new version
3492         from gimple_expand_calls_inline.
3493         * tree-optimize.c (execute_gimple): Remove.
3494         (pass_gimple): Don't run anything.
3495
3496 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
3497
3498         * doc/sourcebuild.texi: Use semicolons instead of commas in
3499         section title.
3500
3501 2004-07-06  Richard Henderson  <rth@redhat.com>
3502
3503         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
3504         (sra_walk_modify_expr, scan_init): Likewise.
3505         (generate_element_zero): Check visited before scanning children.
3506         (generate_element_init): Set visited on error.
3507         (scalarize_init): Handle generate_element_init failure similar
3508         to use_block_copy.
3509
3510 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
3511
3512         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
3513         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
3514
3515 2004-07-06  Richard Henderson  <rth@redhat.com>
3516
3517         * config/i386/i386.c (legitimize_pic_address): Make static.
3518         (legitimize_address): Handle CONST with TLS operand.
3519         (ix86_expand_move): Don't call legitimize_pic_address directly.
3520         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
3521
3522 2004-07-06  Roger Sayle  <roger@eyesopen.com>
3523
3524         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
3525         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
3526         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
3527         is currently executed unconditionally, i.e. not in "else_bb".
3528
3529 2004-07-06  Steven Bosscher  <stevenb@suse.de>
3530
3531         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
3532         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3533         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
3534         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3535         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
3536         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3537         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
3538         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3539         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
3540         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3541         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
3542         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3543         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
3544         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3545         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
3546         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3547
3548 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
3549
3550         * dojump.c (do_jump): REFERENCE_EXPR is dead.
3551         * expr.c (expand_expr_real_1): Ditto.
3552         * tree-inline.c (estimate_num_insns_1): Ditto.
3553         * tree-pretty-print.c (dump_generic_node): Ditto.
3554         (op_symbol): Ditto.
3555         * tree.def: Ditto.
3556
3557 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
3558
3559         * tree-ssa-pre.c (reference_node_pool): New pool.
3560         (find_or_generate_expression): Class 'r' is okay too.
3561         (create_value_expr_from): Ditto.
3562         (add_to_sets): LHS should not include vuses.
3563         (eliminate): Ditto.
3564         (compute_avail): Reverse ordering of tests.
3565         Valuize INDIRECT_REF as well.
3566
3567 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
3568
3569         PR rtl-optimization/16380
3570         * loop.c (check_dbra_loop): Sink comparison instructions if they
3571         do something other than set cc0.
3572
3573 2004-07-06  James E Wilson  <wilson@specifixinc.com>
3574
3575         * doc/interface.texi (longjmp and automatic variables): Delete
3576         paragraph recommending taking the address of a variable.
3577
3578 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
3579
3580         * vec.h (VEC_embedded_alloc): Remove.
3581         (VEC_embedded_size, VEC_embedded_init): New.
3582         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
3583         MEM_STAT_INFO.
3584         (VEC_truncate): New.
3585         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
3586         (vec_embedded_alloc): Remove.
3587         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
3588         (vec_embedded_alloc): Remove.
3589
3590 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
3591
3592         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
3593         (gt-langhooks.h): Remove.
3594
3595 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
3596
3597         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
3598
3599 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
3600
3601         * config/sparc/sparc.c (get_pc_symbol): Rename into
3602         add_pc_to_pic_symbol.
3603         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
3604         (load_pic_register): Account for previous changes.
3605         Use reg_names.  Don't create the label twice.
3606         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
3607         UNSPEC_LOAD_PCREL_SYM.
3608         (get_pc): Rename into load_pcrel_sym.  Add predicate to
3609         operands.  Remove condition.
3610
3611 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
3612
3613         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
3614         RECORD, UNION & QUAL_UNION is actually a binfo.
3615
3616         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
3617         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
3618         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
3619         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
3620         * dwarf2out.c (add_data_member_location_attribute): Likewise.
3621         (gen_inheritance_die): Likewise.
3622         * tree-dump.c (deque_and_dump): Likewise.
3623         * doc/c-tree.texi (Binfos): Add under reconstruction note.
3624
3625 2004-07-06  Steven Bosscher  <stevenb@suse.de>
3626
3627         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
3628         Define.
3629         * config/mcore/mcore.md: Model memory latency with a simple DFA
3630         pipeline description instead of a define_function_unit.
3631
3632 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3633
3634         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
3635         * langhooks.h (var_mod_type_p): Likewise.
3636         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
3637         * expr.c (count_type_elements): Properly handle return from
3638         array_type_nelts and properly test for overflow.
3639         * gimplify.c (gimplify_init_constructor): Properly handle return
3640         from array_type_nelts.
3641         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
3642         * integrate.c (copy_decl_for_inlining): Correct comments.
3643         * tree-inline.c (remap_decl): Update comments, remove dead code,
3644         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
3645         (remap_type): Only remap if variably modified by vars in function
3646         being inlined.
3647         (copy_body_r): Use compatible_type langhooks to see when can fold.
3648         (setup_one_parameter): Don't remap type.
3649         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
3650         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
3651         compute TREE_INVARIANT for decl case.
3652         (find_var_from_fn): New function.
3653         (variably_modified_type_p): Add arg and call new function.
3654         * tree.h (variably_modified_type_p): Add extra arg.
3655
3656 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
3657
3658         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
3659         (goto_handler_and_restore_v9): Delete disabled insn.
3660         (goto_handler_and_restore_v9_sp64): Likewise.
3661
3662 2004-07-05  Roger Sayle  <roger@eyesopen.com>
3663
3664         * calls.c (load_register_parameters): Call expand_shift instead
3665         of expand_binop with ashl_optab (or other shift optab) directly.
3666         * expr.c (emit_group_load, emit_group_store): Likewise.
3667         * function.c (assign_parm_setup_block): Likewise.
3668         * stmt.c (shift_return_value): Likewise.
3669
3670 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
3671
3672         * expr.c (expand_assignment): Disable the bitfield += optimizations.
3673
3674 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
3675
3676         * doc/sourcebuild.texi: Revert previous patch.
3677
3678 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
3679
3680         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
3681         TARGET_MEM_FUNCTIONS.
3682         * system.h: Poison TARGET_MEM_FUNCTIONS.
3683         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
3684         bcmp_libfunc, bzero_libfunc): Remove.
3685         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
3686         bzero_libfunc.
3687         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
3688         * doc/standards.texi: Don't mention calling BSD string functions.
3689         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
3690         * config/vax/t-memfuncs: New.
3691         * config/memcmp.c, config/memcpy.c, config/memmove.c,
3692         config/memset.c: New.
3693         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
3694         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
3695         vax/t-memfuncs.
3696         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
3697         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
3698         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
3699         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
3700         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
3701         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
3702         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
3703         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
3704         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
3705         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
3706
3707 2004-07-05  Richard Henderson  <rth@redhat.com>
3708
3709         * function.c (assign_parm_setup_reg): Properly rename variables in
3710         FUNCTION_ARG_CALLEE_COPIES section.
3711
3712 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
3713
3714         * tree-mudflap.c: Include cgraph.h.
3715         (mf_init_extern_trees): Rename to mudflap_init.  Export.
3716         Rewrite to create synthetic declarations instead of looking
3717         up declarations from mf-runtime.h.
3718         (mf_make_builtin, mf_make_cache_struct_type): New functions.
3719         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
3720         Correct commentary.
3721         (execute_mudflap_function_decls, mudflap_register_call):
3722         Don't call mf_init_extern_trees.
3723         (mudflap_finish_file): Use cgraph_build_static_cdtor.
3724
3725         * tree-mudflap.h: Update prototypes.
3726         * c-mudflap.c: Delete file.
3727         * c-common.c: Include tree-mudflap.h.
3728         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
3729         * Makefile.in: Remove all references to c-mudflap.o.
3730         Update dependencies.
3731
3732 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3733
3734         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
3735         displacements with the spatial-locality cache-control completer.
3736
3737 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
3738
3739         * langhooks.c: Don't include gt-langhooks.h.
3740         (var_labelno): Delete.
3741         (lhd_set_decl_assembler_name): Do not append a distinguishing
3742         number to file-scope internal-linkage declarations for the first
3743         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
3744         the declaration itself (if at block scope), or its containing
3745         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
3746         number.
3747
3748         * opts.c (cur_in_fname): New global.
3749         * opts.h: Declare it.
3750         * tree.c: Include opts.h.
3751         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
3752         DECL_UID equal to cur_in_fname.
3753         (copy_node_stat): Do not change DECL_UID when copying a
3754         TRANSLATION_UNIT_DECL.
3755         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
3756         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
3757
3758         * c-decl.c (c_static_assembler_name): Delete.
3759         * c-tree.h (c_static_assembler_name): Delete prototype.
3760         * c-lang.c, objc/objc-lang.c: Don't override
3761         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
3762
3763         * Makefile.in (tree.o): Update dependencies.
3764         (GTFILES): Remove langhooks.c.
3765
3766 2004-07-05  Roger Sayle  <roger@eyesopen.com>
3767
3768         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
3769         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
3770         Normalize "X % C" as "X % -C" for signed modulus and negative C.
3771         Optimize "X % -Y" as "X % Y" for signed modulus.
3772         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
3773         into "((unsigned) X % Y) == 0".
3774
3775 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
3776
3777         * sourcebuild.texi (Config Fragments): Use @comma{} in
3778         cross-reference to section title.
3779
3780 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3781
3782         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
3783         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
3784         (gimplify_target_expr, gimplify_expr): Likewise.
3785         (copy_if_shared_r): No longer need special case for BIND_EXPR.
3786         (unshare_body, unvisit_body): Only look at nested if BODY_P is
3787         whole function.
3788         (gimplify_compound_lval): See if we can strip any useless conversion.
3789         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
3790         from RHS, not LHS.
3791         (gimplify_modify_expr_to_memset): Likewise.
3792         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
3793         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
3794         (declare_inline_vars): Likewise.
3795         (walk_type_fields): New function.
3796         (walk_tree): Use it.
3797         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
3798
3799         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
3800         (sra_walk_modify_expr): Allow init function to fail.
3801         (scan_init): Now returns bool.
3802         (generate_element_init): If can't understand INIT, return false.
3803         (scalarize_init): Return false if generate_element_init does.
3804
3805         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
3806         print bounds.
3807
3808         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
3809         bounds if bounds aren't constant.
3810
3811         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
3812
3813         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
3814         to type hooks; remove bogus PARAMS.
3815
3816 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
3817
3818         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
3819         * dwarf2out.c (add_data_member_location_attribute): Check for
3820         TREE_BINFO.
3821         * tree.c (tree_node_kinds): Add "binfos".
3822         (binfo_lang_slots): New.
3823         (make_node_stat): Add TREE_BINFO.
3824         (make_tree_binfo_stat): New.
3825         (tree_node_structure): Add TREE_BINFO.
3826         * tree.def (TREE_BINFO): New.
3827         * tree.h (REC_OR_UNION_CHECK): Rename to ...
3828         (RECORD_OR_UNION_CHECK): ... here.
3829         (NOT_RECORD_OR_UNION_CHECK): New.
3830         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
3831         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
3832         RECORD_OR_UNION_CHECK.
3833         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
3834         (TYPE_LANG_SLOT_1): New.
3835         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
3836         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
3837         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
3838         (BINFO_ELTS): Remove.
3839         (BINFO_LANG_SLOT): New.
3840         (struct tree_binfo): New.
3841         (binfo_lang_slots): Declare.
3842         (enum tree_node_structure_enum): Add TS_BINFO.
3843         (union tree_node): Add binfo.
3844         (make_tree_binfo_stat): Declare.
3845         (make_tree_binfo): New.
3846         (enum tree_node_kind): Add binfo_kind.
3847
3848         * objc/objc-act.c (start_class, objc_declare_protocols,
3849         start_protocols): Use TYPE_LANG_SLOT_1.
3850         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
3851         to ...
3852         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
3853         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
3854         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
3855         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
3856
3857 2004-07-05  Steven Bosscher  <stevenb@suse.de>
3858
3859         * rtl.h (struct rtx_def): Remove the integrated flag.
3860         Use the return_val flag for MEM_SCALAR_P.
3861         Reshuffle and update flags in CLEAR_RTX_FLAGS.
3862
3863 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
3864
3865         PR target/16357
3866         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
3867         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
3868         move_by_pieces.
3869
3870 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
3871
3872         * var-tracking.c: Fix some comments.
3873         (frame_stack_adjust): New.
3874         (vt_stack_adjustments): Init stack_adjust of entry block to
3875         minus stack adjustment of function prologue.
3876         (adjust_stack_reference): Do not adjust if adjustment == 0.
3877         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
3878         (emit_notes_in_bb): Likewise.
3879         (vt_add_function_parameters): Do not adjust locations of
3880         function arguments.
3881         (vt_initialize): Compute the stack adjustment of function
3882         prologue and offset the initial "location" of frame_base_decl
3883         from the stack pointer after prologue.
3884
3885 2004-07-04  Richard Henderson  <rth@redhat.com>
3886
3887         * function.c (struct assign_parm_data_all): New.
3888         (struct assign_parm_data_one): New.
3889         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
3890         assign_parm_find_data_types, assign_parms_setup_varargs,
3891         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
3892         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
3893         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
3894         assign_parm_setup_block, assign_parm_setup_reg,
3895         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
3896         (assign_parms): ... here.
3897
3898 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
3899
3900         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
3901         now are bitmap_set_t's.
3902         (bitmap_insert_into_set): No point in inserting the value if
3903         it's invariant.
3904         (bitmap_set_contains): New function.
3905         (bitmap_set_replace_value): Add comment on why we do it
3906         this way.
3907         (set_contains): Removed.
3908         (bitmap_set_subtract_from_value_set): New name of
3909         set_subtract now that it's arguments are two different
3910         types of sets.
3911         Update callers.
3912         (bitmap_find_leader): Change algorithm used.
3913         (find_or_generate_expression): Update use of functions for new
3914         bitmap sets.
3915         (create_expression_by_pieces): Ditto.
3916         (insert_aux): Ditto.
3917         (insert): Ditto.
3918         (add_to_sets): Ditto.
3919         (init_pre): Ditto.
3920         (execute_pre): Ditto.
3921         (compute_avail): Ditto.
3922         Also ignore virtual phis.
3923
3924 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
3925
3926         * combine.c (simplify_comparison): Fix comment typo.
3927
3928 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3929
3930         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
3931         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
3932         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
3933         (output_restore): Change parameter from 'insn' to 'pat'.
3934         (output_return): Adjust call to output_restore.
3935         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
3936         Adjust call to output_restore.
3937
3938 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
3939
3940         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
3941         and assert system is bsd.
3942
3943 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
3944
3945         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
3946         (TARGET_SWITCHES): Remove -mdebugc.
3947         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
3948         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
3949         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
3950         (sle_[sd]i_reg): Delete.
3951
3952 2004-07-04  Steven Bosscher  <stevenb@suse.de>
3953
3954         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
3955         Define.
3956         * config/iq2000/iq2000.md: Translate old pipeline description to an
3957         equivalent new one.
3958
3959 2004-07-04  Roger Sayle  <roger@eyesopen.com>
3960
3961         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
3962         Ensure the replacement rhs is valid gimple before performing
3963         the substitution.  Return false if these sanity checks fail.
3964         (fold_stmt): Only set changed to true, if set_rhs returns true.
3965         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
3966         succeeds.
3967
3968 2004-07-04  Richard Henderson  <rth@redhat.com>
3969
3970         PR c/16348
3971         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
3972
3973 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
3974
3975         * configure.ac (ranlib_flags): New variable.
3976         * Makefile.in (RANLIB_FLAGS): New variable.
3977         (libbackend.a): Use it.
3978         * configure: Regenerated.
3979
3980 2004-07-04  Roger Sayle  <roger@eyesopen.com>
3981
3982         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
3983         a "sign mask" instead of using ashr_optab directly.
3984
3985 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
3986
3987         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
3988         * doc/cppopts.texi: Clarify processing of command-line defines.
3989
3990 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
3991
3992         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
3993
3994 2004-07-04  Richard Henderson  <rth@redhat.com>
3995
3996         * rtl.def (ADDRESSOF): Remove.
3997         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
3998         (find_base_term, memrefs_conflict_p): Likewise.
3999         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
4000         (fold_rtx, cse_insn, set_live_p): Likewise.
4001         * dwarf2out.c (mem_loc_descriptor): Likewise.
4002         (add_location_or_const_value_attribute): Likewise.
4003         * emit-rtl.c (copy_insn_1): Likewise.
4004         * explow.c (memory_address): Likewise.
4005         * expmed.c (store_split_bit_field): Likewise.
4006         * expr.c (expand_expr_real_1): Likewise.
4007         * function.c (instantiate_decl
4008         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
4009         * genrecog.c (preds, validate_pattern): Likewise.
4010         * integrate.c (copy_rtx_and_substitute): Likewise.
4011         * recog.c (general_operand, register_operand): Likewise.
4012         (memory_address_p): Likwise.
4013         * reload1.c (eliminate_regs, elimination_effects): Likewise.
4014         * rtl.c (copy_rtx): Likewise.
4015         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
4016         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
4017         * rtlhooks.c (gen_lowpart_general): Likewise.
4018         * stmt.c (expand_asm_operands): Likewise.
4019         * web.c (entry_register, replace_ref, web_main): Likewise.
4020         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
4021         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
4022         * config/arm/arm.c (thumb_rtx_costs): Likewise.
4023         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
4024         * config/frv/frv.c (move_destination_operand, move_source_operand,
4025         condexec_dest_operand, condexec_source_operand,
4026         condexec_memory_operand): Likewise.
4027         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
4028         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
4029         (destination_xfmode_operand): Likewise.
4030         * config/mips/mips.h (PREDICATE_CODES): Likewise.
4031         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
4032         * config/s390/s390.c (general_s_operand): Likewise.
4033         * config/s390/s390.md (mov*): Likewise.
4034         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
4035
4036         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
4037         * expr.c (expand_expr_real_1): Likewise.
4038         * stmt.c (expand_decl): Likewise.
4039         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
4040
4041         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
4042         postponed_insns, put_var_into_stack, put_reg_into_stack,
4043         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
4044         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
4045         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
4046         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
4047         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
4048         purge_bitfield_addressof_replacements, purge_addressof_replacements,
4049         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
4050         struct insns_for_mem_walk_info, insns_for_mem_walk,
4051         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
4052         setjmp_protect_args): Remove.
4053         (push_function_context_to): Don't handle var_refs_queue.
4054         (pop_function_context_from, free_after_compilation): Likewise.
4055         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
4056         (assign_parms, allocate_struct_function): Likewise.
4057         (use_register_for_decl): New.
4058         (expand_function_end): Don't setjmp_protect.
4059         * function.h (struct emit_status): Update commentary.
4060         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
4061         (max_parm_reg, parm_reg_stack_loc): Remove.
4062         * passes.c (DFI_addressof): Remove.
4063         (dump_file_info): Remove addressof.
4064         (rest_of_handle_addressof): Remove.
4065         (rest_of_compilation): Don't call it.
4066         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
4067         * stmt.c (expand_decl): Use use_register_for_decl.
4068         * tree.h: Update decls.
4069         * web.c (mark_addressof): Remove.
4070         * doc/invoke.texi (-dF): Remove.
4071
4072 2004-07-03  Richard Henderson  <rth@redhat.com>
4073
4074         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
4075         instead of gen_mem_addressof.
4076         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
4077         TImode output register.
4078
4079 2004-07-03  Richard Henderson  <rth@redhat.com>
4080
4081         PR tree-optimization/16341
4082         * tree-sra.c (sra_walk_function): Increment to next stmt before
4083         processing the current stmt.
4084         (sra_insert_after): Always use BSI_SAME_STMT.
4085
4086 2004-07-03  Richard Henderson  <rth@redhat.com>
4087
4088         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
4089         fp plus with minus.
4090
4091 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
4092
4093         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
4094         with tree_int_cst_equal.
4095
4096 2004-07-03  Andreas Schwab  <schwab@suse.de>
4097
4098         * config/ia64/ia64.md: Define new attribute "empty".
4099         (prologue_use, nop_x, insn_group_barrier): Set it.
4100
4101         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
4102         skip over "empty" insns.
4103
4104 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4105
4106         * tree-inline.c (initialize_inlined_parameters): Pass proper function
4107         context to gimplify_body.
4108         (walk_tree): Don't walk into types twice.
4109         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
4110
4111         * tree-sra.c (generate_element_init): Remove any useless conversions.
4112
4113         * gimplify.c (gimplify_conversion): Remove stripping useless
4114         conversions from here.
4115         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
4116         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
4117         Unshare before substituting PLACEHOLDER_EXPR.
4118         (gimplify_modify_expr_to_memset): Likewise.
4119         Pass address of TO to memset, not TO itself.
4120         (gimplify_init_constructor): Make copy of OBJECT so we have it each
4121         time we make an expression (to match a PLACEHOLDER_EXPR).
4122
4123         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
4124         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
4125         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
4126         * tree-ssa-dom.c (local_fold): Likewise.
4127
4128         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
4129         * langhooks.h (strct lang_hooks): New field type_max_size.
4130         * function.c (assign_temp): Call it.
4131
4132 2004-07-03  Steven Bosscher  <stevenb@suse.de>
4133
4134         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
4135         * config/sh/sh.md: Convert the SH1 pipeline description to
4136         a DFA model.
4137
4138 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
4139
4140         * c-decl.c (struct c_binding): Remove contour field; add
4141         depth, invisible, nested fields.
4142         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
4143         (B_IN_EXTERNAL_SCOPE): New convenience macros.
4144         (bind): Add invisible and nested arguments. Initialize
4145         new fields of struct c_binding; adjust loop scanning for
4146         insertion point.
4147         (free_binding_and_advance): Clear structure with memset.
4148         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
4149         in file scope, even if it's in external scope too.
4150         (pushdecl): Adjust to match.  Create invisible file-scope
4151         declarations for block-scope forward declarations of static functions.
4152         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
4153         (undeclared_variable, lookup_label, declare_label, define_label)
4154         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
4155         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
4156         (store_parm_decls_oldstyle): Adjust to match.
4157         (diagnose_mismatched_decls): Correct handling of linkage clashes.
4158         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
4159
4160         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
4161         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
4162
4163 2004-07-02  Richard Henderson  <rth@redhat.com>
4164
4165         * c-decl.c (grokdeclarator): Don't frob current_function_decl
4166         around variable_size.
4167         (set_decl_nonlocal): Remove.
4168         (store_parm_decls): Add stmts for pending sizes.
4169         * calls.c (calls_function, calls_function_1): Remove.
4170         (precompute_arguments): Don't call it.
4171         * cfgexpand.c (set_save_expr_context): Remove.
4172         (tree_expand_cfg): Don't call it.
4173         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
4174         (dwarf2out_finish): Likewise.
4175         * expr.c (emit_block_move): Adjust addresses to BLKmode.
4176         (store_constructor): Don't pre-evaluate SAVE_EXPR.
4177         (safe_from_p): Don't queue SAVE_EXPRs.
4178         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
4179         or build plain VAR_DECLs.
4180         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
4181         (fold): Likewise.
4182         (fold_checksum_tree): Don't special-case SAVE_EXPR.
4183         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
4184         (put_var_into_stack): Don't handle SAVE_EXPR.
4185         (gen_mem_addressof): Likewise.
4186         * function.h (struct function): Remove x_save_expr_regs.
4187         (save_expr_regs): Remove.
4188         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
4189         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
4190         * stor-layout.c (variable_size): Don't set it.
4191         (force_type_save_exprs, force_type_save_exprs_1): Remove.
4192         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
4193         all callers.  Don't set SAVE_EXPR_CONTEXT.
4194         * tree-inline.h (remap_save_expr): Update decl.
4195         * tree.c (save_expr): Update build size.
4196         (first_rtl_op): Don't handle SAVE_EXPR.
4197         (unsave_expr_1, contains_placeholder_p): Likewise.
4198         (decl_function_context): Likewise.
4199         * tree.def (SAVE_EXPR): Remove args 1 and 2.
4200         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
4201         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
4202
4203 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
4204
4205         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
4206         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
4207         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
4208         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
4209         some first-person references and patronizing comments.  Based on
4210         printed manual.
4211         * doc/invoke.texi: Don't reference fortran@gnu.org.
4212         * doc/trouble.texi (Warning when a non-void function value is
4213         ignored): Rewrite.  From Russ Allbery and Chris Devers.
4214
4215 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
4216
4217         * tree-ssa-pre.c (bitmap_set_t): New.
4218         (bb_value_sets): avail_out is now a bitmap_set_t.
4219         (bitmap_find_leader): New function.
4220         (bitmap_value_insert_into_set): Ditto.
4221         (bitmap_set_copy): Ditto.
4222         (bitmap_value_replace_in_set): Ditto.
4223         (bitmap_set_contains_value): Ditto.
4224         (bitmap_set_new): Ditto.
4225         (bitmap_set_pool): New pool.
4226         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
4227         (insert_aux): Ditto.
4228         (add_to_sets): Ditto.
4229         (compute_avail): Ditto
4230         (eliminate): Ditto.
4231         (init_pre): Ditto.
4232         (fini_pre): Ditto.
4233         (execute_pre): Ditto.
4234
4235 2004-07-02  Roger Sayle  <roger@eyesopen.com>
4236
4237         * config/rs6000/rs6000.c (struct processor_costs): New structure
4238         used to hold instruction latencies/sizes for processor types.
4239         (rs6000_cost): New global variable pointing to current CPU's costs.
4240         (rs6000_override_options): Initialize rs6000_cost to point to the
4241         appropriate cost table based upon rs6000_cpu and optimize_size.
4242         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
4243         timings inline.
4244
4245 2004-07-02  Richard Henderson  <rth@redhat.com>
4246
4247         * expmed.c (make_tree): Don't use SET_DECL_RTL.
4248
4249 2004-07-02  Steven Bosscher  <stevenb@suse.de>
4250
4251         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
4252
4253 2004-07-01  Richard Henderson  <rth@redhat.com>
4254
4255         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
4256         (alpha_gp_save_rtx): Use assign_stack_local instead of
4257         gen_mem_addressof.
4258
4259 2004-07-01  Richard Henderson  <rth@redhat.com>
4260
4261         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
4262         (alpha_rtx_cost_data): Update to match.
4263         (alpha_rtx_cost_size): New.
4264         (alpha_rtx_costs): Honor optimize_size.
4265
4266 2004-07-01  Richard Henderson  <rth@redhat.com>
4267
4268         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
4269         * cfgexpand.c (tree_expand_cfg): Do it here.
4270         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
4271         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
4272         * config/mips/mips.c (mips_output_mi_thunk): And here.
4273         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
4274         * config/sh/sh.c (sh_output_mi_thunk): And here.
4275         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
4276
4277 2004-07-01  Richard Henderson  <rth@redhat.com>
4278
4279         * tree.def (RTL_EXPR): Remove.
4280         * c-typeck.c (lvalue_p): Don't handle it.
4281         * expr.c (safe_from_p): Likewise.
4282         (expand_expr_real_1): Likewise.
4283         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
4284         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
4285         * gengtype.c (adjust_field_tree_exp): Likewise.
4286         * stmt.c (warn_if_unused_value): Likewise.
4287         * tree-gimple.c (recalculate_side_effects): Likewise.
4288         * tree-pretty-print.c (dump_generic_node): Likewise.
4289         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
4290         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
4291         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
4292
4293         * stmt.c (struct stmt_status): Remove x_last_expr_type,
4294         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
4295         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
4296         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
4297         all the bits that tracked last_expr.
4298         (expand_end_bindings): Don't track last_expr.
4299         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
4300         (clear_last_expr): Remove.
4301         (expand_asm): Don't call it.
4302         (expand_asm_operands, expand_end_cond): Likewise.
4303         (expand_naked_return, expand_null_return_1): Likewise.
4304         * c-typeck.c (c_begin_compound_stmt): Likewise.
4305         * cfgexpand.c (expand_block): Use expand_expr_stmt.
4306         * expr.c (expand_expr_real_1): Likewise.
4307         * tree.h: Update prototypes.
4308
4309         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
4310         (struct emit_status): Remove sequence_rtl_expr.
4311         (struct function): Remove x_rtl_expr_chain.
4312         (seq_rtl_expr, rtl_expr_chain): Remove.
4313         * function.c (struct temp_slot): Remove rtl_expr.
4314         (assign_stack_temp_for_type): Don't set it.
4315         (free_temp_slots, pop_temp_slots): Don't check it.
4316         (free_after_compilation): Don't clear x_rtl_expr_chain.
4317         (fixup_var_refs): Don't search it.
4318         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
4319         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
4320         or seq_rtl_expr.
4321         (push_topmost_sequence): Likewise.
4322         (end_sequence, init_emit): Likewise.
4323         (start_sequence_for_rtl_expr): Remove.
4324         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
4325         * rtl.h (preserve_rtl_expr_result): Remove.
4326
4327 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
4328
4329         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
4330         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
4331         typos.
4332
4333 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
4334
4335         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
4336         (STANDARD_STARTFILE_PREFIX_2): Define.
4337         (standard_startfile_prefix_1): Initialize to
4338         STANDARD_STARTFILE_PREFIX_1.
4339         (standard_startfile_prefix_2): Initialize to
4340         STANDARD_STARTFILE_PREFIX_2.
4341         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
4342         (STANDARD_STARTFILE_PREFIX_1): Define.
4343         (STANDARD_STARTFILE_PREFIX_2): Define.
4344         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
4345         (STANDARD_STARTFILE_PREFIX_2): Document.
4346
4347 2004-07-01  Richard Henderson  <rth@redhat.com>
4348
4349         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
4350         in order to disable scalarization.  Instead set a flag and wait
4351         for a candidate decl.
4352
4353 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
4354
4355         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
4356         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
4357         Use terminology "testsuite" and "enumerated".
4358
4359 2004-07-01  Richard Henderson  <rth@redhat.com>
4360
4361         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
4362         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
4363         (initial_return_save): Likewise.
4364         (flush_queued_reg_saves): Remap register numbers.
4365         (dwarf2out_return_reg): Likewise.
4366
4367 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4368
4369         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
4370
4371         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
4372         access functions for lower bound and element size and only output
4373         if lower bound nonzero or element size not same as that of type.
4374         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
4375
4376 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
4377
4378         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
4379
4380 2004-07-01  Per Bothner  <per@bothner.com>
4381
4382         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
4383
4384 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
4385
4386         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
4387         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
4388         first operand.  Don't optimize if the bitfield is volatile.
4389
4390 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
4391
4392         * c-pretty-print.c (pp_c_postfix_expression): Handle
4393         floating-point comparison operators.
4394         (pp_c_expression): Pass floating-point comparison
4395         operators to pp_c_postfix_expression.
4396
4397 2004-07-01  Roger Sayle  <roger@eyesopen.com>
4398
4399         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
4400         rtx_cost instead of "had_mult" to determine whether the transformed
4401         expression is cheaper than the original.
4402
4403 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
4404
4405         * alias.c (get_alias_set, canon_rtx, get_addr,
4406         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
4407         Use MEM_P.
4408         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
4409         expand_builtin): Likewise.
4410         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
4411         Likewise.
4412         * combine.c (can_combine_p, combinable_i3pat, try_combine,
4413         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
4414         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
4415         record_dead_and_set_regs_1, get_last_value_validate,
4416         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
4417         * cse.c (check_dependence, canon_hash, equiv_constant,
4418         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
4419         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
4420         count_reg_usage): Likewise.
4421         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
4422         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
4423         cselib_record_sets): Likewise.
4424         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
4425         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
4426         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
4427         * df.c (df_uses_record): Likewise.
4428         * dojump (do_jump): Likewise.
4429         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
4430         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
4431         decl_start_label): Likewise.
4432         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
4433         operand_subword, change_address_1, make_safe_from): Likewise.
4434         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
4435         stabilize, force_not_mem): Likewise.
4436         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
4437         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
4438         * expr.c (convert_move, convert_modes, emit_block_move,
4439         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
4440         emit_move_insn_1, expand_assignment, store_expr,
4441         store_constructor_field, store_constructor, store_field,
4442         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
4443         Likewise.
4444         * final.c (cleanup_subreg_operands, alter_subreg,
4445         get_mem_expr_from_op): Likewise.
4446         * flow.c (notice_stack_pointer_modification_1,
4447         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
4448         Likewise.
4449         * function.c (mark_temp_addr_taken, preserve_temp_slots,
4450         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
4451         optimize_bit_field, flush_addressof, purge_addressof_1,
4452         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
4453         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
4454         keep_stack_depressed): Likewise.
4455         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
4456         noce_process_if_block, find_memory): Likewise.
4457         * integrate.c (subst_constants, allocate_initial_values): Likewise.
4458         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
4459         update_equiv_regs): Likewise.
4460         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
4461         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
4462         * optabs.c (expand_abs, emit_unop_insn): Likewise.
4463         * passes.c (rest_of_handle_final): Likewise.
4464         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
4465         move2add_note_store): Likewise.
4466         * ra-build.c (detect_remat_webs): Likewise.
4467         * ra-debug.c (dump_static_insn_cost): Likewise.
4468         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
4469         * recog.c (validate_change, apply_change_group, cancel_changes,
4470         validate_replace_rtx_1, general_operand, register_operand,
4471         nonmemory_operand, push_operand, pop_operand, memory_operand,
4472         indirect_operand, asm_operand_ok, offsettable_memref_p,
4473         offsettable_nonstrict_memref_p, constrain_operands,
4474         store_data_bypass_p): Likewise.
4475         * reg-stack.c (subst_stack_regs_pat): Likewise.
4476         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
4477         copy_cost, reg_scan_mark_refs): Likewise.
4478         * regmove.c (optimize_reg_copy_3, stack_memref_p,
4479         combine_stack_adjustments_for_block): Likewise.
4480         * regrename.c (copyprop_hardreg_forward_1): Likewise.
4481         * reload.c (can_reload_into, push_reload, decompose, immune_p,
4482         find_reloads, find_reloads_address, find_reloads_address_1,
4483         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
4484         find_equiv_reg): Likewise.
4485         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
4486         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
4487         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
4488         delete_address_reloads): Likewise.
4489         * resource.c (mark_referenced_resources): Likewise.
4490         * rtlanal.c (get_jump_table_offset, count_occurrences,
4491         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
4492         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
4493         num_sign_bit_copies1): Likewise.
4494         * rtlhooks.c (gen_lowpart_general): Likewise.
4495         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
4496         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
4497         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
4498         sdbout_global_decl): Likewise.
4499         * simplify-rtx.c (simplify_subreg): Likewise.
4500         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
4501         expand_anon_union_decl, expand_end_case_type): Likewise.
4502         * unroll.c (calculate_giv_inc): Likewise.
4503         * var-tracking.c (stack_adjust_offset_pre_post,
4504         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
4505         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
4506         vt_add_function_parameters): Likewise.
4507         * varasm.c (make_var_volatile, notice_global_symbol,
4508         assemble_external, decode_addr_const, mark_weak,
4509         default_encode_section_info): Likewise.
4510
4511 2004-07-01  Steven Bosscher  <stevenb@suse.de>
4512
4513         * stmt.c (check_seenlabel): Remove.
4514         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
4515
4516 2004-07-01  Richard Henderson  <rth@redhat.com>
4517
4518         * function.h (struct function): Remove x_function_call_count.
4519         (function_call_count): Remove.
4520         * calls.c (expand_call): Don't set it.
4521         * integrate.c (copy_rtx_and_substitute): Likewise.
4522
4523         * function.h (struct function): Remove x_cleanup_label.
4524         (cleanup_label): Remove.
4525         * stmt.c (expand_value_return): Don't use it.
4526         * function.c (free_after_compilation): Don't set it.
4527         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
4528         * cfgexpand.c (tree_expand_cfg): Update call.
4529         * tree.h (expand_function_start): Update decl.
4530
4531 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
4532
4533         PR c/1027
4534         * c-lang.c (c_initialize_diagnostics): Move from here ...
4535         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
4536         (c_tree_printer): Use pretty-printer to format %T.
4537         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
4538         before '*' if not C++.
4539         (pp_c_direct_abstract_declarator): Don't try to print array upper
4540         bound for flexible array members.
4541         * c-tree.h: Include "diagnostic.h".
4542         (c_initialize_diagnostics): Declare.
4543         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
4544         * c-format.c (format_type_warning): New function.  Improve
4545         diagnostics for incorrect format argument types.
4546         (check_format_types): Use it.  Add two parameters.  Use the
4547         TYPE_MAIN_VARIANT of wanted_type.
4548         (check_format_info_main): Pass new parameters to
4549         check_format_types.
4550         (struct format_wanted_type): Update comment.
4551
4552 2004-07-01  Nick Clifton  <nickc@redhat.com>
4553
4554         * target.h (struct gcc_target): Add new field to struct cxx:
4555         import_export_class.
4556         * target-def.h (TARGET_CXX): Initialise the new field.
4557         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
4558         the new field.
4559         * doc/tm.texi: Document the new target hook.
4560
4561 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
4562
4563         * builtins.c (fold_builtin_classify): Fix typo.
4564
4565 2004-07-01  Richard Henderson  <rth@redhat.com>
4566
4567         * function.c (identify_blocks, identify_blocks_1): Remove.
4568         * function.h (identify_blocks): Remove.
4569         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
4570
4571 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
4572
4573         * builtins.c (fold_builtin_classify): New.
4574         (fold_builtin_unordered_cmp): Fix commentary.
4575         (fold_builtin): Use it.
4576         * builtins.def: Define builtins for isnan,
4577         isnanf, isnanl, finite, finitef, finitel,
4578         isinf, isinff, isinfl.
4579
4580 2004-07-01  Richard Henderson  <rth@redhat.com>
4581
4582         * function.h (struct function): Remove dont_emit_block_notes.
4583         * gimple-low.c (lower_function_body): Don't set it.
4584         * cfgexpand.c (expand_block): Don't check it.
4585         * cfglayout.c (insn_locators_initialize): Likewise.
4586         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
4587         * passes.c (rest_of_compilation): Likewise.
4588         * stmt.c (expand_start_bindings_and_block): Likewise.
4589         (expand_end_bindings): Likewise.
4590
4591 2004-07-01  Richard Henderson  <rth@redhat.com>
4592
4593         * cgraph.h (cgraph_build_static_cdtor): Declare.
4594         * cgraphunit.c (cgraph_build_static_cdtor): New.
4595         * c-objc-common.c (build_cdtor): Use it.
4596         * coverage.c (create_coverage): Likewise.
4597         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
4598         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
4599
4600 See ChangeLog.11 for earlier changes.